JP2021168570A - Electric compressor - Google Patents

Abstract

To provide an electric compressor that improves connector productivity.SOLUTION: A connector includes a copper connector main body 50 and a resin-made case 60 that accommodates the connector main body 50 inside. The connector main body 50 includes a terminal portion 51 into/from which a conductive pin 27 is inserted and removed, and a connection portion 52 that electrically connects the terminal portion 51 and a circuit board. The connector main body 50 is formed by bending and deforming a sheet of copper plate. The terminal portion 51 includes a pair of sandwiching portions 53 that face each other and sandwich the conductive pin 27. The connection portion 52 includes a protruding portion 84 that protrudes to the outside of the case 60 and is inserted into the circuit board.SELECTED DRAWING: Figure 5

Description

The present invention relates to an electric compressor.

The electric compressor includes a compression unit that compresses a fluid, an electric motor that drives the compression unit, an inverter device that drives the electric motor and has a circuit board, and a housing that houses the inverter device inside. .. Further, for example, as disclosed in Patent Document 1, the electric compressor includes a connector that is attached to a housing and electrically connected to a circuit board.

Further, as a connector, a connector including a metal connector main body and a resin case for accommodating the connector main body inside is known. The connector body is composed of a tubular metal terminal and a metal lead wire integrated by welding. A conductive pin electrically connected to the electric motor is inserted into the terminal, and the end of the lead wire is electrically connected to the circuit board by soldering or the like. As a result, the electric motor and the inverter device are electrically connected via the connector.

Japanese Unexamined Patent Publication No. 2015-40538

By the way, in recent electric compressors, it is desired to use a metal material having high heat resistance with the use of larger electric power than before. However, since a metal material having high heat resistance is difficult to weld, there is a risk that productivity may decrease during welding work with a connector.

The present invention has been made to solve the above problems, and an object of the present invention is to provide an electric compressor capable of improving the productivity of a connector.

The electric compressor that solves the above problems includes a compression unit that compresses the fluid, an electric motor that drives the compression unit, an inverter device that drives the electric motor and has a circuit board, and a motor that accommodates the electric motor. A housing having an accommodation chamber, an inverter accommodation chamber for accommodating the inverter device, and a partition wall for partitioning the motor accommodation chamber and the inverter accommodation chamber, and a housing penetrating the partition wall and one end of the electric motor. A conductive pin electrically connected and a connector arranged in the inverter accommodating chamber and electrically connecting the other end of the conductive pin and the circuit board are provided, and the connector is a metal connector main body. And a resin case for accommodating the connector body inside, and arranged between the circuit board and the partition wall, the connector body has the other end of the conductive pin inserted and removed. In an electric compressor having a terminal portion and a connection portion for electrically connecting the terminal portion and the circuit board, the connector body is formed by bending and deforming an integral metal plate, and the terminal is formed. The portions are characterized by having a pair of sandwiching portions that face each other and sandwich the conductive pin, and the connecting portion has a protruding portion that protrudes to the outside of the case and is inserted into the circuit board. And.

According to the above configuration, the connector main body is made of an integral metal plate continuous from the holding portion to the protruding portion. In this way, since the connector body can be formed from an integral metal plate, welding is not required when manufacturing the connector. Therefore, the productivity of the connector can be improved.

In the electric compressor, the terminal portion engages with a connecting portion that connects each of the pair of sandwiching portions and the pair of sandwiching portions on the opposite side of the connecting portion, so that the pair of sandwiching portions are engaged with each other. It is preferable to have a pair of engaging portions that restrain them from being separated from each other.

According to the above configuration, the pair of holding portions firmly hold the conductive pin by the connecting portion and the engaging portion, and the connection between the conductive pin and the connector is stabilized.
In the electric compressor, it is preferable that the connection portion has an extension portion that connects the terminal portion and the protrusion portion and is housed inside the case, and the extension portion has a bending portion that bends. ..

In an environment where the electric compressor vibrates, if the electric compressor vibrates and the circuit board tries to move, stress may be applied to the connector body. According to the above configuration, the stress applied to the connector body can be damped at the bent portion of the extension portion, so that the durability of the connector against vibration can be improved.

In an electric compressor, the conductive pin preferably has a copper layer on its surface, and the metal plate is preferably a copper plate.
According to the above configuration, since the conductive pin and the sandwiching portion are in contact with each other with the same copper, the contact resistance can be suppressed. Therefore, a large amount of electric power can be supplied from the inverter device to the electric motor.

According to the present invention, the productivity of the connector can be improved.

A side sectional view showing a partially broken electric compressor according to the embodiment. A circuit diagram showing the electrical configuration of an electric compressor. A side sectional view showing a part of the electric compressor in an enlarged manner. A cross-sectional view showing a connector body housed in a case body. A cross-sectional view showing a connector body housed in a case lid. FIG. 6-6 is a cross-sectional view taken along the line 6-6 in FIG. Side view of the connector body. Perspective view of the connector body. Development view of the connector body.

Hereinafter, an embodiment in which the electric compressor is embodied will be described with reference to FIGS. 1 to 9. The electric compressor of this embodiment is used, for example, in a vehicle air conditioner.
As shown in FIG. 1, the housing 11 of the electric compressor 10 is connected to the bottomed cylindrical discharge housing 12, the bottomed tubular motor housing 13 connected to the discharge housing 12, and the motor housing 13. It includes an inverter case 14. The discharge housing 12, the motor housing 13, and the inverter case 14 are made of a metal material, for example, aluminum. The motor housing 13 has a bottom wall 13a and a peripheral wall 13b extending in a cylindrical shape from the outer peripheral edge of the bottom wall 13a.

The rotating shaft 15 is housed in the motor housing 13. Further, the motor housing 13 houses a compression unit 16 that is driven by the rotation of the rotating shaft 15 to compress the refrigerant as a fluid, and an electric motor 17 that rotates the rotating shaft 15 to drive the compression unit 16. Has been done. The compression unit 16 and the electric motor 17 are arranged side by side in the axial direction in which the rotation axis of the rotation shaft 15 extends. The electric motor 17 is arranged closer to the bottom wall 13a of the motor housing 13 than the compression unit 16. A motor accommodating chamber 18 accommodating the electric motor 17 is formed between the compression portion 16 and the bottom wall 13a in the motor housing 13. Therefore, the housing 11 has a motor accommodating chamber 18.

The compression unit 16 is, for example, a scroll type including a fixed scroll (not shown) fixed in the motor housing 13 and a movable scroll (not shown) arranged to face the fixed scroll.

The electric motor 17 has a cylindrical stator 19 and a rotor 20 arranged inside the stator 19. The rotor 20 rotates integrally with the rotating shaft 15. The stator 19 surrounds the rotor 20. The rotor 20 has a rotor core 20a anchored to the rotating shaft 15 and a plurality of permanent magnets (not shown) provided on the rotor core 20a. The stator 19 has a cylindrical stator core 19a and a motor coil 21 wound around the stator core 19a.

A suction port 13h is formed on the peripheral wall 13b. One end of the external refrigerant circuit 22 is connected to the suction port 13h. A discharge port 12h is formed in the discharge housing 12. The other end of the external refrigerant circuit 22 is connected to the discharge port 12h. The suction port 13h is formed in a portion of the peripheral wall 13b located on the bottom wall 13a side. The suction port 13h communicates with the motor accommodating chamber 18.

The refrigerant sucked from the external refrigerant circuit 22 into the motor accommodating chamber 18 via the suction port 13h is compressed by the compression unit 16 by the drive of the compression unit 16 and flows out to the external refrigerant circuit 22 through the discharge port 12h. .. Then, the refrigerant flowing out to the external refrigerant circuit 22 returns to the motor accommodating chamber 18 via the heat exchanger and the expansion valve of the external refrigerant circuit 22 and through the suction port 13h. The electric compressor 10 and the external refrigerant circuit 22 constitute a vehicle air conditioner 23.

The inverter case 14 is attached to the bottom wall 13a of the motor housing 13. In the inverter case 14, an inverter accommodating chamber 14a for accommodating the inverter device 30 is formed. Therefore, the housing 11 has an inverter accommodating chamber 14a. The compression unit 16, the electric motor 17, and the inverter device 30 are arranged side by side in the axial direction of the rotating shaft 15 in this order.

The inverter case 14 has a bottomed cylindrical inverter case main body 24 and a bottomed cylindrical lid member 25 that closes the opening of the inverter case main body 24. The inverter case main body 24 has a flat plate-shaped case bottom wall 24a and a case peripheral wall 24b extending in a cylindrical shape from the outer peripheral edge of the case bottom wall 24a. The lid member 25 has a flat plate-shaped lid bottom wall 25a and a lid peripheral wall 25b extending in a cylindrical shape from the outer peripheral edge of the lid bottom wall 25a.

The inverter case main body 24 and the lid member 25 are arranged so that the open end surface of the case peripheral wall 24b and the open end surface of the lid peripheral wall 25b are abutted against each other. The inverter accommodating chamber 14a is partitioned by an inverter case main body 24 and a lid member 25. The inverter case 14 is attached to the bottom wall 13a of the motor housing 13 in a state where the outer surface of the case bottom wall 24a of the inverter case main body 24 is in contact with the outer surface of the bottom wall 13a of the motor housing 13.

The motor accommodating chamber 18 and the inverter accommodating chamber 14a are partitioned by a bottom wall 13a of the motor housing 13 and a case bottom wall 24a of the inverter case main body 24. That is, the bottom wall 13a and the case bottom wall 24a correspond to the partition walls that partition the motor accommodating chamber 18 and the inverter accommodating chamber 14a. The housing 11 has a bottom wall 13a as a partition wall and a case bottom wall 24a.

The inverter case 14 has a high voltage connector 25c and a low voltage connector 25d protruding from the outer surface of the lid bottom wall 25a of the lid member 25. The connector of the high voltage power supply 32 is connected to the high voltage connector 25c. The connector of the low voltage power supply 33 is connected to the low voltage connector 25d. The high-voltage power supply 32 is a high-voltage battery such as a lithium-ion secondary battery or a nickel-hydrogen secondary battery mounted on a vehicle. The low voltage power supply 33 is a low voltage battery such as a lead storage battery which is mounted on a vehicle and has a voltage (for example, 12V) lower than the voltage of the high voltage battery (for example, 400V).

As shown in FIG. 2, the motor coil 21 has a three-phase structure including a u-phase coil 21u, a v-phase coil 21v, and a w-phase coil 21w. In the present embodiment, the u-phase coil 21u, the v-phase coil 21v, and the w-phase coil 21w are Y-connected.

The inverter device 30 has a plurality of switching elements Qu1, Qu2, Qv1, Qv2, Qw1, Qw2. The plurality of switching elements Qu1, Qu2, Qv1, Qv2, Qw1, Qw2 perform a switching operation in order to drive the electric motor 17. The plurality of switching elements Qu1, Qu2, Qv1, Qv2, Qw1, Qw2 are IGBTs (power switching elements). Diodes Du1, Du2, Dv1, Dv2, Dw1, and Dw2 are connected to the plurality of switching elements Qu1, Qu2, Qv1, Qv2, Qw1, and Qw2, respectively. The diodes Du1, Du2, Dv1, Dv2, Dw1, Dw2 are connected in parallel to the switching elements Qu1, Qu2, Qv1, Qv2, Qw1, Qw2.

Each switching element Qu1, Qv1, Qw1 constitutes an upper arm of each phase. Each switching element Qu2, Qv2, Qw2 constitutes a lower arm of each phase. The switching elements Qu1 and Qu2, the switching elements Qv1 and Qv2, and the switching elements Qw1 and Qw2 are connected in series, respectively. The gates of the switching elements Qu1, Qu2, Qv1, Qv2, Qw1, Qw2 are electrically connected to the control computer 34. The control computer 34 operates by applying a voltage from the low voltage power supply 33.

The collectors of the switching elements Qu1, Qv1 and Qw1 are electrically connected to the positive electrode of the high voltage power supply 32 via the first connection line EL1. The emitters of the switching elements Qu2, Qv2, and Qw2 are electrically connected to the negative electrode of the high voltage power supply 32 via the second connection line EL2. The emitter of each switching element Qu1, Qv1, Qw1 and the collector of each switching element Qu2, Qv2, Qw2 are electrically connected to the u-phase coil 21u, v-phase coil 21v, and w-phase coil 21w from the intermediate points connected in series, respectively. Is connected.

The control computer 34 controls the drive voltage of the electric motor 17 by pulse width modulation. Specifically, the control computer 34 generates a PWM signal from a high-frequency triangular wave signal called a carrier wave signal and a voltage command signal for instructing a voltage. Then, the control computer 34 controls the switching operation (on / off control) of each switching element Qu1, Qu2, Qv1, Qv2, Qw1, Qw2 by using the generated PWM signal. As a result, the DC voltage from the high voltage power supply 32 is converted into an AC voltage. Then, the converted AC voltage is applied to the electric motor 17 as a drive voltage to control the drive of the electric motor 17.

Further, the control computer 34 variably controls the duty ratio of the switching operation of each switching element Qu1, Qu2, Qv1, Qv2, Qw1, Qw2 by controlling the PWM signal. Thereby, the rotation speed of the electric motor 17 is controlled. The control computer 34 is electrically connected to the air conditioning ECU 35, and when it receives information about the target rotation speed of the electric motor 17 from the air conditioning ECU 35, it rotates the electric motor 17 at the target rotation speed.

The electric compressor 10 includes a capacitor 36 and a coil 37. The capacitor 36 is provided on the input side of each switching element Qu1, Qu2, Qv1, Qv2, Qw1, Qw2 and is connected in parallel to the high voltage power supply 32. The capacitor 36 includes a first bypass capacitor 36a, a second bypass capacitor 36b, and a smoothing capacitor 36c. One end of the first bypass capacitor 36a is electrically connected to the first connection line EL1. The other end of the first bypass capacitor 36a is electrically connected to one end of the second bypass capacitor 36b. Therefore, the first bypass capacitor 36a and the second bypass capacitor 36b are connected in series. The other end of the second bypass capacitor 36b is electrically connected to the second connection line EL2. The midpoint between the other end of the first bypass capacitor 36a and one end of the second bypass capacitor 36b is, for example, grounded to the body of the vehicle.

One end of the smoothing capacitor 36c is electrically connected to the first connection line EL1. The other end of the smoothing capacitor 36c is electrically connected to the second connection line EL2. The first bypass capacitor 36a, the second bypass capacitor 36b, and the smoothing capacitor 36c are connected in parallel. The smoothing capacitor 36c is provided closer to each switching element Qu1, Qu2, Qv1, Qv2, Qw1, Qw2 than the first bypass capacitor 36a and the second bypass capacitor 36b.

The coil 37 is a common mode choke coil. The coil 37 has a first winding 371 provided on the first connection line EL1 and a second winding 372 provided on the second connection line EL2. Further, the coil 37 has virtual normal mode coils L1 and L2 separately from the first winding 371 and the second winding 372. That is, the coil 37 of the present embodiment has a first winding 371, a second winding 372, and virtual normal mode coils L1 and L2 in terms of equivalent circuits. The first winding 371 is connected in series with the virtual normal mode coil L1, and the second winding 372 is connected in series with the virtual normal mode coil L2.

The coil 37, the first bypass capacitor 36a, the second bypass capacitor 36b, and the smoothing capacitor 36c reduce common mode noise. The common mode noise is noise in which a current flows in the same direction through the first connection line EL1 and the second connection line EL2. Common mode noise occurs when the electric compressor 10 and the high-voltage power supply 32 are electrically connected via a path other than the first connection line EL1 and the second connection line EL2, such as the body of a vehicle. obtain. Therefore, the coil 37, the first bypass capacitor 36a, the second bypass capacitor 36b, and the smoothing capacitor 36c form the LC filter 38. Therefore, the coil 37 constitutes the LC filter 38 together with the capacitor 36. Therefore, the capacitor 36 and the coil 37 are filter elements constituting the LC filter 38.

As shown in FIG. 1, a plurality of case boss portions 24f are erected on the inner surface of the case bottom wall 24a. A plurality of bolt insertion holes 24h are formed in the inverter case main body 24. Each bolt insertion hole 24h penetrates each case boss portion 24f. In FIG. 1, for convenience of illustration, only one case boss portion 24f and one bolt insertion hole 24h are shown. Each bolt insertion hole 24h is open to the outer surface of the case bottom wall 24a. Further, a female screw hole 13c communicating with each bolt insertion hole 24h is formed in the bottom wall 13a of the motor housing 13.

A housing hole 13d penetrating the bottom wall 13a is formed in the bottom wall 13a of the motor housing 13. Further, the case bottom wall 24a of the inverter case main body 24 is formed with a case hole 24c penetrating the case bottom wall 24a. The housing hole 13d and the case hole 24c communicate with each other. A conductive member 26 is attached to the case bottom wall 24a of the inverter case main body 24.

As shown in FIG. 3, the conductive member 26 has three conductive pins 27. In addition, in FIG. 1 and FIG. 3, only one conductive pin 27 is shown for convenience of illustration. The conductive pin 27 is made of a columnar iron pin body 27a. A copper layer 27b is formed on the entire surface of the pin body 27a by plating. Therefore, the conductive pin 27 has a copper layer 27b on its surface.

The conductive member 26 includes a support plate 28a that supports each conductive pin 27. The support plate 28a is, for example, a flat plate made of ceramics. The support plate 28a is attached to the inner surface of the case bottom wall 24a of the inverter case main body 24. The support plate 28a is formed with a plate insertion hole 28h into which each conductive pin 27 is inserted. A glass insulating member 28b is interposed between each conductive pin 27 and the support plate 28a.

As shown in FIG. 1, one end of each conductive pin 27 is inserted into a housing hole 13d penetrating the bottom wall 13a and protrudes into the motor accommodating chamber 18. The other end of each conductive pin 27 is inserted into the case hole 24c penetrating the case bottom wall 24a and protrudes into the inverter accommodating chamber 14a. Therefore, the conductive pin 27 penetrates the bottom wall 13a and the case bottom wall 24a.

A cluster block 29 is arranged in the motor accommodating chamber 18. Further, three motor wirings 21a are drawn out from each motor coil 21 so as to correspond to the U-phase, V-phase, and W-phase motor coils 21. The three conductive pins 27 and the three motor wirings 21a are electrically connected to each other via the cluster block 29. Therefore, one end of each conductive pin 27 is electrically connected to the electric motor 17.

The inverter device 30 has a circuit board 31 for driving the electric motor 17. The circuit board 31 is housed in the inverter housing chamber 14a. Further, the holder 40 is housed in the inverter storage chamber 14a. The holder 40 has a plate-shaped holder main body 41. The holder main body 41 has a plurality of cylindrical holder bosses 48. The axial direction of each holder boss portion 48 coincides with the thickness direction of the holder main body portion 41. Each holder boss portion 48 projects from one surface of the holder main body portion 41 in the thickness direction. In the holder 40, in the thickness direction of the holder main body 41, the surface of the holder main body 41 opposite to the protruding surface of the holder boss 48 is placed on each case boss 24f, and the inverter accommodating chamber 14a It is located inside. The inside of each holder boss portion 48 communicates with each bolt insertion hole 24h of the inverter case main body 24.

The circuit board 31 has a plurality of insertion holes 31h. A plurality of lid boss portions 25f are erected on the inner surface of the lid member 25. A plurality of lid insertion holes 25h are formed in the lid member 25. Each lid insertion hole 25h penetrates each lid boss portion 25f. In FIG. 1, for convenience of illustration, only one insertion hole 31h and one lid insertion hole 25h of the circuit board 31 are shown. A holder boss portion 48 is inserted through the insertion hole 31h of the circuit board 31. The lid boss portion 25f is placed on the tip surface 48e of each holder boss portion 48 in a state where the lid insertion hole 25h and the inside of each holder boss portion 48 communicate with each other. The bolts B that have passed through the lid insertion holes 25h of the lid member 25, the insertion holes 31h of the circuit board 31, the inside of each holder boss portion 48, and the bolt insertion holes 24h are the female threads of the bottom wall 13a of the motor housing 13. The circuit board 31 and the holder 40 are attached to the motor housing 13 by being screwed into the holes 13c. The holder 40 is arranged in the inverter accommodating chamber 14a so as to overlap the circuit board 31.

As shown in FIG. 3, a connector 49 electrically connected to the circuit board 31 is arranged in the inverter accommodating chamber 14a. The connector 49 has three copper connector bodies 50 and a resin case 60 that houses the connector body 50 inside. In addition, in FIG. 1 and FIG. 3, for convenience of illustration, only one connector main body 50 is shown. The case 60 is attached to the holder 40. Therefore, the case 60 is attached to the housing 11. Further, although not particularly shown in FIGS. 1 and 3, the holder 40 also holds an electronic component such as a capacitor 36, a coil 37, and switching elements Qu1, Qu2, Qv1, Qv2, Qw1, Qw2.

The connector 49 is arranged between the circuit board 31 and the case bottom wall 24a by attaching the case 60 to the holder 40, and is also arranged in the inverter accommodating chamber 14a so as to overlap the circuit board 31. In the following description, the direction in which the circuit board 31 and the connector 49 overlap is described as the stacking direction X between the circuit board 31 and the connector 49. Further, among the directions along the stacking direction X, one direction is also referred to as a first stacking direction X1, and a direction opposite to the second stacking direction X2 is also referred to as a second stacking direction X2.

Next, the case 60 will be described.
As shown in FIGS. 4 and 5, the case 60 has a case body 61 and a case lid 71 that overlaps the case body 61 in the stacking direction X. A plurality of engaging recesses 61c are formed on the first main body surface 61a of the case main body 61. When the first main body surface 61a is viewed in a plan view, each engaging recess 61c has a circular shape. A plurality of columnar engaging protrusions 71c project from the first lid surface 71a of the case lid 71. By inserting the engaging convex portion 71c into the engaging concave portion 61c, the case main body 61 and the case lid 71 are positioned.

As shown in FIG. 4, three main body accommodating recesses 62 for accommodating the connector main body 50 are formed on the first main body surface 61a of the case main body 61. Each main body accommodating recess 62 has a main body main recess 63 which is a substantially long square hole and a band-shaped main body sub recess 64 when the first main body surface 61a is viewed in a plan view. Each main body accommodating recess 62 is formed on the first main body surface 61a of the case main body 61 in a state where the lateral directions of the main body main recess 63 coincide with each other and the longitudinal directions of the main body main recess 63 coincide with each other. There is. In the following description, the lateral direction of the main body main recess 63 will be referred to as the first direction Y. The longitudinal direction of the main body main recess 63 is referred to as the second direction Z. The first direction Y is one direction orthogonal to the stacking direction X. The second direction Z is a direction orthogonal to both the stacking direction X and the first direction Y. Further, among the directions along the first direction Y, one direction may be referred to as the first direction Y1, and the direction opposite to the first direction Y1 may be referred to as the first direction Y2. Of the directions along the second direction Z, one direction may be referred to as the second direction Z1, and the direction opposite to the second direction Z1 may be referred to as the second direction Z2.

The main body main recess 63 of the main body accommodating recess 62 is adjacent to each other in the first direction Y when the first main body surface 61a of the case main body 61 is viewed in a plan view. The main body sub-recess 64 of each main body accommodating recess 62 communicates with the main body main recess 63. The main body sub-recess 64 is open to a portion of the inner peripheral surface of the main body main recess 63 located in the second direction Z2.

The three main body accommodating recesses 62 are arranged in the first direction Y1 in the order of the first main body accommodating recess 62a, the second main body accommodating recess 62b, and the third main body accommodating recess 62c. When the first main body surface 61a is viewed in a plan view, the main body sub-recess 64 of each main body accommodating recess 62 has a crank shape extending in the second direction Z2 while bending from the main body main recess 63. Specifically, the main body sub-recess 64 of the first main body accommodating recess 62a extends from the main body main recess 63 in the second direction Z2, then bends and extends in the first direction Y1, and further extends in the second direction Z2. It is extending. The main body sub-recess 64 of the second main body accommodating recess 62b extends from the main body main recess 63 in the first direction Y2, and then bends and extends in the second direction Z2. The main body sub-recess 64 of the third main body accommodating recess 62c extends from the main body main recess 63 in the second direction Z2, then bends and extends in the first direction Y2, and further extends in the second direction Z2. The main body sub-recesses 64 of the main body accommodating recesses 62 are adjacent to each other in the first direction Y.

The main body sub-end 64a, which is the end of the main body sub-recess 64 of each main body accommodating recess 62 in the second direction Z2, is formed with a main body hole portion 64h that penetrates the case main body 61 in the stacking direction X. The main body hole portion 64h is open to the bottom surface of the main body sub-recess 64. When the first main body surface 61a is viewed in a plan view, the main body hole portion 64h has an elongated square shape. The longitudinal direction of the main body hole portion 64h is along the second direction Z. Further, the main body sub-end 64a is in the order of the main body sub-end 64a of the first main body accommodating recess 62a, the main body sub-end 64a of the second main body accommodating recess 62b, and the main body sub-end 64a of the third main body accommodating recess 62c. It is located offset to the second direction Z1. Therefore, the main body hole portion 64h is also in the second direction in the order of the main body hole portion 64h of the first main body accommodating recess 62a, the main body hole portion 64h of the second main body accommodating recess 62b, and the main body hole portion 64h of the third main body accommodating recess 62c. It is located offset to Z1.

As shown in FIG. 5, three lid accommodating recesses 72 for accommodating the connector body 50 are formed on the first lid surface 71a of the case lid 71. Each lid accommodating recess 72 has a lid main recess 73 having a substantially long square hole shape and a band-shaped lid sub recess 74 when the first lid surface 71a is viewed in a plan view.

In a state where the case main body 61 and the case lid 71 are overlapped with each other, the main body accommodating recess 62 and the lid accommodating recess 72 coincide with each other in the stacking direction X. That is, when the first lid surface 71a is viewed in a plan view, the lateral direction of each lid main recess 73 extends along the first direction Y, and the longitudinal direction of the lid main recess 73 extends along the second direction Z. There is. The lid main recess 73 of the lid accommodating recess 72 is adjacent to each other in the first direction Y, and the lid sub-recess 74 of each lid accommodating recess 72 communicates with the lid main recess 73 to form the lid main. It is open to a portion of the inner peripheral surface of the recess 73 located in the second direction Z2. The three lid accommodating recesses 72 are arranged in the first direction Y1 in the order of the first lid accommodating recess 72a, the second lid accommodating recess 72b, and the third lid accommodating recess 72c. When the first lid body surface 71a is viewed in a plan view, the first lid body accommodating recess 72a has a crank shape that extends while bending in the same direction as the first main body accommodating recess 62a. The second lid housing recess 72b has a crank shape that extends while bending in the same direction as the second main body housing recess 62b. The third lid housing recess 72c has a crank shape that extends while bending in the same direction as the third main body housing recess 62c. The lid sub-end 74a, which is the end of the lid main recess 73 of each lid accommodating recess 72 in the second direction Z2, includes the lid sub-end 74a and the second lid accommodating the first lid accommodating recess 72a. The lid sub-end 74a of the recess 72b and the lid sub-end 74a of the third lid accommodating recess 72c are located offset in the second direction Z1 in this order.

A circular lid hole 73h that penetrates the case lid 71 in the stacking direction X is formed in the lid main recess 73 of each lid accommodating recess 72. The lid hole portion 73h is open to a substantially central portion on the bottom surface of the lid body main recess 73. The lid hole portions 73h of the lid body accommodating recesses 72 are arranged in the first direction Y. The diameter of the lid hole portion 73h is slightly smaller than the diameter of the conductive pin 27. A conductive pin 27 is inserted into the lid hole portion 73h of each lid accommodating recess 72 in a manner extending in the stacking direction X.

As shown in FIG. 6, a portion of the first main body surface 61a of the case main body 61 where the main body accommodating recess 62 is not formed, and a portion of the first lid surface 71a of the case lid 71 where the lid accommodating recess 72 is not formed. , Are in contact. Then, by fixing the case main body 61 and the case lid 71, the connector accommodating portion 60a for accommodating the connector main body 50 is formed by the main body accommodating recess 62 and the lid accommodating recess 72. Therefore, the case 60 has a connector accommodating portion 60a. The connector accommodating portion 60a is partitioned by the inner surface of the main body main recess 63, the inner surface of the main body sub-recess 64, the inner surface of the lid main recess 73, and the inner surface of the lid sub-recess 74. The connector accommodating portion 60a communicates with the outside of the case 60 via the main body hole portion 64h and the lid body hole portion 73h.

Next, the connector main body 50 will be described.
As shown in FIGS. 4 and 5, the three connector main bodies 50 are arranged in the first direction Y1 in the order of the first connector main body 50a, the second connector main body 50b, and the third connector main body 50c. The first connector main body 50a is housed in a connector accommodating portion 60a formed by the first main body accommodating recess 62a and the first lid accommodating recess 72a. The second connector main body 50b is housed in the connector accommodating portion 60a formed by the second main body accommodating recess 62b and the second lid accommodating recess 72b. The third connector main body 50c is housed in the connector accommodating portion 60a formed by the third main body accommodating recess 62c and the third lid accommodating recess 72c.

Each connector body 50 has a terminal portion 51 into which the conductive pin 27 is inserted and removed, and a connection portion 52 that electrically connects the terminal portion 51 and the circuit board 31. If the end of the conductive pin 27 electrically connected to the electric motor 17 is one end of the conductive pin 27, the other end of the conductive pin 27 can be inserted and removed from the terminal portion 51. Each connector body 50 is formed by bending and deforming an integral copper plate. That is, in each connector main body 50, the terminal portion 51 and the connection portion 52 are made of one copper plate.

The terminal portion 51 is housed in the connector accommodating portion 60a formed by the main body main recess 63 and the lid main recess 73. The connection portion 52 is housed in a connector accommodating portion 60a formed by a main body main recess 63, a main body sub recess 64, a lid main recess 73, and a lid sub recess 74. The basic configurations of the terminal portion 51 and the connection portion 52 are the same in the first connector main body 50a, the second connector main body 50b, and the third connector main body 50c. Unless otherwise specified, the following description of the connector body 50 shall be common to each connector body 50.

First, the terminal portion 51 will be described.
As shown in FIGS. 6, 7, and 8, the terminal portion 51 is erected in the stacking direction X and has a pair of holding portions 53 facing each other in the first direction Y. The pair of holding portions 53 have a long square plate shape and are long square plates extending from both ends of the pair of first holding portions 54 facing each other in the first direction Y and the second direction Z of the pair of first holding portions 54. It is composed of a second holding portion 55 having a shape.

The lateral direction of the first sandwiching portion 54 and the longitudinal direction of the second sandwiching portion 55 are along the stacking direction X. The lateral direction of the second holding portion 55 is along the second direction Z. The second sandwiching portion 55 is a total of four first sandwiching portions, that is, both ends of one first sandwiching portion 54 in the second direction Z and both ends of the other first sandwiching portion 54 in the second direction Z. It is continuous with the end of 54.

The end portion of the second sandwiching portion 55 in the first stacking direction X1 protrudes from the end portion of the first sandwiching portion 54 in the first stacking direction X1. As a result, in the sandwiching portion 53 viewed from the first direction Y, the central portion of the second direction Z sandwiched by the second sandwiching portion 55 among the end portions in the first stacking direction X1 is recessed in the second stacking direction X2. It has a shape.

Each first sandwiching portion 54 is curved from an intermediate portion to both end portions in the second direction Z. The gap in the first direction Y of the pair of first sandwiching portions 54 becomes smaller from the intermediate portion of each first sandwiching portion 54 in the second direction Z toward both ends. On the other hand, in the second sandwiching portion 55, the distance between the second sandwiching portions 55 arranged in the first direction Y in the first direction Y is the same in the entire second direction Z. The sandwiching portion 53 is bent at the boundary between the first sandwiching portion 54 and the second sandwiching portion 55.

The terminal portion 51 has a pair of connecting portions 56 which are square plate-shaped and are arranged in the second direction Z, and a long square plate-shaped continuous portion 59 which is continuous with the second sandwiching portion 55. The continuous portion 59 extends from the second sandwiching portion 55 located on the Y1 side in the first direction and the Z2 side in the second direction among the second sandwiching portions 55. The lateral direction of the continuous portion 59 is along the stacking direction X. The longitudinal direction of the continuous portion 59 is along the second direction Z. The dimension of the continuous portion 59 in the stacking direction X is smaller than the dimension of the continuous second sandwiching portion 55 in the stacking direction X. The continuous portion 59 is continuous with a part of the second sandwiching portion 55 on the first stacking direction X1 side. The pair of connecting portions 56 extend along the first direction Y from the end portion of the second sandwiching portion 55 in the first stacking direction X1. Each connecting portion 56 is continuous with each second sandwiching portion 55 so as to connect the ends of the second sandwiching portions 55 arranged in the first direction Y. Therefore, the connecting portion 56 connects each of the pair of sandwiching portions 53 in the pair of sandwiching portions 53 on the first stacking direction X1 side.

As shown in FIGS. 5 and 8, of the pair of connecting portions 56, the connecting portion 56 located in the second direction Z2 has a long square plate shape extending in the longitudinal direction in the second direction Z and is continuous. 2 The dimension of the second direction Z is larger than that of the holding portion 55. A continuous portion 59 is continuous with the end portion of the connecting portion 56 in the first direction Y1.

It is sandwiched by the end of the pair of first sandwiches 54 in the first stacking direction X1, the inner end of the second sandwich 55 in the second direction Z, and the inner end of the pair of connecting portions 56 in the second direction Z. The hole 53h is partitioned. The sandwiching hole 53h communicates with the space between the pair of first sandwiching portions 54. The holding hole 53h viewed from the stacking direction X has a long square shape whose longitudinal direction is along the second direction Z. Therefore, the sandwiching portion 53 has a sandwiching hole 53h at the end of the first stacking direction X1.

As shown in FIG. 8, the terminal portion 51 has a pair of engaging portions 57 located on both sides of the sandwiching portion 53 in the second direction Z. Each engaging portion 57 includes a notch portion 57a in which the outer end portion of the second sandwiching portion 55 in the second direction Z is cut out, and claw portions 57b located on both sides of the sandwiching portion 53 in the second direction Z. have.

The cutouts 57a are formed at both ends of the sandwiching portion 53 in the second direction Z2. Specifically, the notch 57a formed at one end of the holding portion 53 in the second direction Z is in the second direction in the second holding portion 55 located on the first direction Y2 side and on the second direction Z2 side. The end on the Z2 side is cut out and formed. The notch 57a formed at the other end of the sandwiching portion 53 in the second direction Z is on the second direction Z1 side in the second sandwiching portion 55 located on the first direction Y1 side and on the second direction Z1 side. It is formed by cutting out the ends.

Each claw portion 57b has a substantially square flat plate shape, and a part of the end portion in the second stacking direction X2 is cut out to form a concave shape in a plan view. The claw portion 57b extends from the second sandwiching portion 55 in which the notch portion 57a is not formed. More specifically, in the second holding portion 55 located on the Y1 side in the first direction and on the Z2 side in the second direction, the claw portion 57b extends from the end portion in the second direction Z2. The claw portion 57b is located in the second stacking direction X2 from the continuous portion 59. In the second sandwiching portion 55 located on the Y2 side in the first direction and on the Z1 side in the second direction, the claw portion 57b extends from the end portion in the second direction Z1. The second sandwiching portion 55 in which each claw portion 57b is continuous is aligned with the notch portion 57a in the first direction Y. Each claw portion 57b extends from the end portion of the second holding portion 55 toward the notch portion 57a arranged in the first direction Y. Therefore, each claw portion 57b is continuous with the second sandwiching portion 55 so as to be continuous from both ends of the sandwiching portion 53 in the second direction Z.

In the pair of engaging portions 57, the notch portions 57a arranged in the first direction Y and the claw portions 57b are engaged with each other on the opposite side of the stacking direction X from the connecting portion 56 with respect to the pair of holding portions 53. Since the pair of engaging portions 57 holds the standing posture of the pair of first sandwiching portions 54 and each of the second sandwiching portions 55 in the stacking direction X, the pair of sandwiching portions 53 are restrained so as not to separate from each other. ing.

As shown in FIG. 5, the terminal portion 51 overlaps the lid body hole portion 73h formed in the lid body main recess 73 in the stacking direction X. The space between the pair of first holding portions 54 communicates with the lid hole portion 73h. The holding hole 53h of the holding portion 53 communicates with the lid hole portion 73h via a space between the pair of first holding portions 54. The conductive pin 27 inserted through the lid hole portion 73h is inserted between the pair of first sandwiching portions 54 and inserted into the sandwiching hole 53h. As a result, the pair of sandwiching portions 53 sandwich the conductive pin 27 between the pair of first sandwiching portions 54. The conductive pins 27 are sandwiched by a pair of first sandwiching portions 54 from both sides in the first direction Y.

Next, the connection portion 52 will be described.
As shown in FIGS. 7 and 8, the connecting portion 52 includes a flat plate-shaped extending portion 81 erected in the stacking direction X and a flat plate-shaped extending portion 84 protruding from a part of the end portion of the extending portion 81. And have. The extension portion 81 is composed of a substantially long square plate-shaped first extension portion 82 that stands upright in the stacking direction X, and a square plate-shaped second extension portion 83 that is continuous with the first extension portion 82. Has been done.

The longitudinal direction of the first extending portion 82 is along the second direction Z. Of the part of the first extending portion 82 on the second direction Z1 side, the end portion on the first stacking direction X1 side is continuous with the end portion of the connecting portion 56 located on the second direction Z2 side in the first direction Y1. doing. Therefore, the first extension portion 82 is continuous with the pair of sandwiching portions 53. The first extending portion 82 is aligned with the second holding portion 55 located on the Y2 side in the first direction and the Z2 side in the second direction in the second direction Z. A part of the first extending portion 82 on the second direction Z1 side is aligned with the continuous portion 59 in the first direction Y.

The second extension portion 83 extends from the end of the first extension portion 82 in the first stacking direction X1 to the first stacking direction X1 in a part of the first extension portion 82 on the second direction Z2 side. .. The protruding portion 84 extends from the end of the second extending portion 83 on the second direction Z2 side of the second extending portion 83 in the first stacking direction X1 to the first stacking direction X1.

As shown in FIGS. 4 and 5, the first extending portion 82 of each connector main body 50 has a main body sub-recess 64 of the main body accommodating recess 62 to be accommodated and a lid sub-recess of the lid accommodating recess 72 to be accommodated. Similar to 74, they have different crank shapes. Specifically, the first extending portion 82 of the first connector main body 50a extends from the holding portion 53 in the second direction Z2, then bends and extends so as to extend in the first direction Y1, and further extends in the second direction Z2. It is extending. The first extending portion 82 of the second connector main body 50b extends from the holding portion 53 in the first direction Y2, and then bends and extends in the second direction Z2. The first extending portion 82 of the third connector main body 50c extends from the holding portion 53 in the second direction Z2, then bends and extends in the first direction Y2, and further extends in the second direction Z2. Therefore, the first extending portion 82 of each connector main body 50 has a bent portion 85 that bends in the middle of the second direction Z.

As shown in FIGS. 4 and 5, the end portion of the first extension portion 82 in the second direction Z2 is the end portion of the first extension portion 82 of the first connector main body 50a and the first end portion of the second connector main body 50b. The end of the extension 82 and the end of the first extension 82 of the third connector body 50c are positioned so as to be offset in the second direction Z1. Therefore, the second extension portion 83 also includes the second extension portion 83 of the first connector main body 50a, the second extension portion 83 of the second connector main body 50b, and the second extension portion 83 of the third connector main body 50c. In order, they are displaced in the second direction Z1. The protruding portion 84 of each connector main body 50 projects out of the connector accommodating portion 60a from the main body hole portion 64h formed in the main body sub-recess 64 to be accommodated.

As shown in FIG. 6, the second extension portion 83 is located in the main body hole portion 64h. The protruding portion 84 projects from the main body hole portion 64h toward the circuit board 31 to the outside of the connector accommodating portion 60a. The circuit board 31 is formed with three substrate holes 31d that are offset from each other in the second direction Z so as to correspond to the main body holes 64h in the stacking direction X. The protruding end of the protruding portion 84 is soldered to the circuit board 31 in a state of being inserted into the board hole 31d. Therefore, the protruding portion 84 protrudes to the outside of the case 60 and is inserted into the circuit board 31. The connection portion 52 electrically connects the terminal portion 51 and the circuit board 31. Further, assuming that the end portion of the conductive pin 27 electrically connected to the electric motor 17 is one end of the conductive pin 27, the other end of the conductive pin 27 is connected to the terminal portion 51, so that the connector 49 is connected to each conductive pin 27. It can be said that the other end of the pin 27 and the circuit board 31 are electrically connected.

As shown in FIG. 1, the electric motor 17 and the circuit board 31 of the inverter device 30 are electrically connected via each motor wiring 21a, a cluster block 29, each conductive pin 27, and each connector main body 50. .. Therefore, each conductive pin 27 is used to electrically connect the electric motor 17 and the inverter device 30.

Next, a method of forming the connector main body 50 will be described together with the operation of the present embodiment.
As shown in FIG. 9, when forming the connector main body 50, the base material 150 is formed by punching and molding from one copper plate. The base material 150 has a flat plate shape as a whole. The base material 150 formed by using the same punching die is used for manufacturing the first connector main body 50a, the second connector main body 50b, and the third connector main body 50c. In the following, for convenience of explanation, the shape of the base material 150 will be described in a state where the base material 150 is placed so that the thickness direction of the base material 150 is along the stacking direction X.

In the base material 150, the terminal portion 51 and the connecting portion 52 are continuous with each other so as to be aligned in the first direction Y. A holding hole 53h is formed in the terminal portion 51. The sandwiching portion 53 extends so as to surround the sandwiching hole 53h. The pair of first holding portions 54 are located on both sides in the first direction Y with the holding hole 53h interposed therebetween. The second sandwiching portion 55 extends from the first sandwiching portion 54 on both sides of the second direction Z with the pair of the first sandwiching portions 54 interposed therebetween. The pair of connecting portions 56 extend so as to connect between the two second sandwiching portions 55 arranged in the first direction Y. The continuous portion 59 is continuous with the connecting portion 56 on the Z2 side in the second direction and the second holding portion 55 located on the Y1 side in the first direction and on the Z2 side in the second direction. The cutout portion 57a is formed in a second sandwiching portion 55 located on the Y1 side in the first direction and on the Z1 side in the second direction, and a second sandwiching portion 55 located on the Y2 side in the first direction and on the Z2 side in the second direction, respectively. Has been done. The claw portion 57b is from a second holding portion 55 located on the Y1 side in the first direction and on the Z2 side in the second direction, and a second holding portion 55 located on the Y2 side in the first direction and on the Z1 side in the second direction. It is extending. The connecting portion 52 of the base material 150 has an extending portion 81 continuous with the connecting portion 56 and a protruding portion 84 continuous with the extending portion 81.

The base material 150 is bent along the first fold line R1, the second fold line R2, the third fold line R3, and the fourth fold line R4. The first fold line R1, the third fold line R3, and the fourth fold line R4 are mountain fold lines, and are shown by alternate long and short dash lines in FIG. The second fold line R2 is a valley fold line, which is shown by a chain double-dashed line in FIG.

Two first fold lines R1 extend in the second direction Z alongside the first direction Y1. The first folding line R1 is located at the boundary between the pair of connecting portions 56 and the second sandwiching portion 55, and the boundary between the connecting portion 56 and the first extending portion 82 and the continuous portion 59. Two second fold lines R2 extend in the first direction Y alongside the second direction Z. The second folding line R2 is located at the boundary between the pair of first sandwiching portions 54 and the second sandwiching portion 55. The third fold line R3 is two fold lines extending in the first direction Y. The third fold line R3 is located outside the second fold line R2 in the second direction Z, on the first direction Y1 side and the second direction Z2 side, and on the first direction Y2 side and the second direction Z1 side. do. The third fold line R3 is located at the boundary between the second holding portion 55 and the claw portion 57b. The fourth folding line R4 extends in the first direction Y1 and is located in the middle of the second direction Z of the pair of first holding portions 54.

The base material 150 is bent along each of the above folding lines. First, the base material 150 is bent along the first folding line R1. As a result, the pair of the first holding portion 54, the second holding portion 55, the continuous portion 59, and the connecting portion 52 are in an upright posture in the stacking direction X. The connecting portion 56 is located on the first stacking direction X1 side of the second sandwiching portion 55. The notch portion 57a and the claw portion 57b are located on the second stacking direction X2 side of the connecting portion 56. The notch portion 57a and the claw portion 57b are located side by side in the first direction Y on both sides of the second direction Z.

Next, the base material 150 is bent along the fourth folding line R4. As a result, the pair of first holding portions 54 have a curved shape between the second folding lines R2 so that the portion along the fourth folding line R4 is located on the outermost side in the first direction Y. Further, the base material 150 is bent along the second folding line R2. As a result, the second sandwiching portion 55 has a shape that does not bend.

Subsequently, the base material 150 is bent along the third folding line R3. As a result, the claw portion 57b has a shape extending toward the notch portion 57a arranged in the first direction Y and is engaged with the notch portion 57a.

Further, although the fold line is not shown in FIG. 9, the fold line extends along the lateral direction of the first extension portion 82 at the intermediate position of the first extension portion 82 in the second direction Z. The base material 150 is bent. As a result, the bent portion 85 is formed in the first extending portion 82. By changing the forming position of the bent portion 85 in the first extending portion 82, the crank shape of the first extending portion 82 can be changed. Thereby, the first connector main body 50a, the second connector main body 50b, and the third connector main body 50c having the first extending portion 82 having different crank shapes can be manufactured from the base material 150.

In the above embodiment, the following effects can be obtained.
(1) The connector main body 50 is made of an integral metal plate that is continuous from a pair of holding portions 53 to a protruding portion 84. Since the connector body 50 can be formed from an integral metal plate in this way, welding is not required when manufacturing the connector 49. Therefore, the productivity of the connector 49 can be improved.

(2) The terminal portion 51 engages with the connecting portion 56 that connects each of the pair of sandwiching portions 53 and the pair of sandwiching portions 53 on the opposite side of the connecting portion 56, so that the pair of sandwiching portions 53 are engaged with each other. It has a pair of engaging portions 57 that are restrained so as not to be separated from each other. Therefore, the pair of holding portions 53 firmly hold the conductive pin 27 by the connecting portion 56 and the engaging portion 57, and the connection between the conductive pin 27 and the connector 49 is stabilized.

(3) The connecting portion 52 has an extending portion 81 that connects the terminal portion 51 and the protruding portion 84 and is housed inside the case 60, and the extending portion 81 has a bent portion 85 that bends. .. Therefore, even if stress is applied to the connector main body 50 due to the vibration of the electric compressor 10, the applied stress can be attenuated at the bent portion 85, so that the durability of the connector 49 against vibration can be improved.

(4) The conductive pin 27 has a copper layer 27b on its surface, and the connector body 50 is made of a copper plate. Therefore, the conductive pin 27 and the sandwiching portion 53 come into contact with each other with the same copper, so that the contact resistance can be suppressed. Therefore, a large amount of electric power can be supplied from the inverter device 30 to the electric motor 17.

(5) Since there is no welded portion on the connector main body 50, the durability of the connector main body 50 against the stress applied to the connector main body 50 due to the vibration of the electric compressor 10 can be improved.

(6) Since it is not necessary to provide the connector main body 50 with the overlap between the members necessary for welding, the connector main body 50 can be miniaturized by the amount that the overlap between the members can be omitted. Further, since a space for inserting the electrode used for welding to the connector main body 50 is not required inside the case 60, the case 60 can be miniaturized by the amount that the space can be omitted. Therefore, the physique of the entire connector 49 can be reduced.

(7) A base material 150 formed by using the same punching die is used for manufacturing the first connector main body 50a, the second connector main body 50b, and the third connector main body 50c. Therefore, the man-hours related to the molding of the base material 150 can be suppressed as compared with the case where the punching dies having different shapes are used for molding the base material 150 for each of the connector main bodies 50, so that the productivity of the connector 49 can be further improved. can.

The above embodiment can be modified and implemented as follows. The above embodiment and the following modified examples can be implemented in combination with each other within a technically consistent range.

O The cutout portion 57a may be formed in the second sandwiching portion 55 which is continuous with both ends of the same first sandwiching portion 54 in the second direction Z. In this case, the claw portion 57b is formed in the second sandwiching portion 55 in which the notch portion 57a is not formed. Therefore, the claw portion 57b also has a shape extending from the second sandwiching portion 55 continuous with both ends of the same first sandwiching portion 54 in the second direction Z.

○ The continuous portion 59 may be omitted from the sandwiching portion 53.
○ If the conductive pin 27 can be appropriately sandwiched by the pair of sandwiching portions 53, one or both of the connecting portion 56 and the pair of engaging portions 57 may be omitted from the terminal portion 51.

○ The second extending portion 83 and the protruding portion 84 may have the same dimensions in the second direction Z.
○ The pin body 27a of the conductive pin 27 may be a cylinder having a shape other than a cylinder, such as a quadrangular prism.

○ The method of forming the copper layer 27b on the surface of the conductive pin 27 may be other than plating.
○ The conductive pin 27 may have a metal layer other than the copper layer 27b on its surface. Further, the conductive pin 27 does not have to have a metal layer on its surface.

○ The connector body 50 may be formed of a metal plate other than copper. In short, the terminal portion 51 and the connecting portion 52 may be made of a single metal plate other than the copper plate. In this modification, when the conductive pin 27 has a metal layer on the surface, the connector main body 50 and the metal layer on the surface of the conductive pin 27 may be made of the same metal or different metals. You may.

○ The first extending portion 82 of all the connector main bodies 50 may have the same crank shape.
○ A part or all of the first extending portions 82 of the three connector main bodies 50 may have a shape that does not have a bent portion 85 and does not bend.

○ A base material 150 formed by using a punching die of a different shape may be used for manufacturing all or a part of the connector main body 50. In short, the shape of the punching die is not particularly limited as long as the continuous terminal portion 51 and the connecting portion 52 can be formed from the single base material 150 by the sandwiching portion 53 and the first extending portion 82.

○ The shapes of the main body accommodating recess 62 and the lid accommodating recess 72 are not particularly limited. In short, the shapes of the main body accommodating recess 62 and the lid accommodating recess 72 may be appropriately changed as long as the connector main body 50 can be accommodated in the main body accommodating recess 62 and the lid accommodating recess 72.

○ The number of connector main bodies 50 housed in the case 60 is not particularly limited. In this case, the shapes and numbers of the main body accommodating recesses 62 and the lid accommodating recesses 72 formed in the case 60 may be changed so as to correspond to the number of the connector main bodies 50 accommodated in the case 60.

○ The electric compressor 10 may have, for example, a configuration in which the inverter device 30 is arranged radially outside the rotating shaft 15 with respect to the housing 11. In short, the compression unit 16, the electric motor 17, and the inverter device 30 do not have to be arranged side by side in this order in the axial direction of the rotating shaft 15.

○ The compression unit 16 is not limited to the scroll type, and may be, for example, a piston type or a vane type.
○ In the embodiment, the electric compressor 10 constitutes the vehicle air conditioner 23, but the present invention is not limited to this. For example, the electric compressor 10 is mounted on a fuel cell vehicle and is supplied to the fuel cell. Air as a fluid may be compressed by the compression unit 16.

10 ... Electric compressor, 11 ... Housing, 13a ... Bottom wall, 14a ... Inverter accommodation chamber, 16 ... Compressor, 17 ... Electric motor, 18 ... Motor accommodation chamber, 24a ... Case bottom wall, 27 ... Conductive pin, 27b ... Copper layer, 30 ... Inverter device, 31 ... Circuit board, 49 ... Connector, 50 ... Connector body, 51 ... Terminal part, 52 ... Connection part, 53 ... Holding part, 56 ... Connecting part, 57 ... Engaging part, 60 ... Case, 81 ... extension, 84 ... protrusion, 85 ... bend.

Claims (4)

A compression part that compresses the fluid,
An electric motor that drives the compression unit and
An inverter device that drives the electric motor and has a circuit board,
A housing having a motor accommodating chamber for accommodating the electric motor, an inverter accommodating chamber accommodating the inverter device, and a partition wall for partitioning the motor accommodating chamber and the inverter accommodating chamber.
A conductive pin that penetrates the partition wall and has one end electrically connected to the electric motor.
It is provided in the inverter accommodating chamber and has a connector for electrically connecting the other end of the conductive pin and the circuit board.
The connector has a metal connector main body and a resin case for accommodating the connector main body inside, and is arranged between the circuit board and the partition wall.
The connector body is an electric compressor having a terminal portion into which the other end of the conductive pin is inserted and removed, and a connection portion for electrically connecting the terminal portion and the circuit board.
The connector body is formed by bending and deforming an integral metal plate.
The terminal portions have a pair of sandwiching portions that face each other and sandwich the conductive pin.
An electric compressor, wherein the connecting portion has a protruding portion that protrudes to the outside of the case and is inserted into the circuit board. The terminal part
A connecting portion that connects each of the pair of sandwiching portions,
The electric compression according to claim 1, further comprising a pair of engaging portions that engage the pair of sandwiching portions on the opposite side of the connecting portion to restrain the pair of sandwiching portions from separating from each other. Machine. The connecting portion has an extending portion that connects the terminal portion and the protruding portion and is housed inside the case.
The electric compressor according to claim 1 or 2, wherein the extended portion has a bent portion that bends. The conductive pin has a copper layer on its surface and has a copper layer on its surface.
The electric compressor according to any one of claims 1 to 3, wherein the metal plate is a copper plate.

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