JP2019021601A - Interlock structure - Google Patents

Abstract

Provided is an interlock structure that can ensure safety and contribute to downsizing and cost reduction of a product. In the interlock structure disclosed in this specification, when a service cover 30 is attached to a VH connector 20 in a state of being detached from a case 10, a tip protrusion 34a of a short claw 34 of the service cover 30 is VH. The service cover 30 is made unmountable by interfering with the convex portion 24 of the connector 20. On the other hand, in the VH connector 20 that is connected to the electrode portion 15 of the PCU connector 14 of the case 10, the tip protrusion 35 a of the long claw 35 of the service cover 30 contacts the triangular protrusion 12 of the case 10, and By riding, the short claw 34 of the service cover 30 is elastically deformed so as to move to a non-interference position that does not interfere with the convex portion 24. As a result, the service cover 30 can be attached to the connected VH connector 20. [Selection] Figure 5

Description

  The technology disclosed in this specification relates to an interlock structure provided between a connector provided in a casing of an electronic device and the casing.

  Patent Document 1 discloses a housing that accommodates a high-voltage device, an open / close detection device that detects opening / closing of the open / close device of the housing, a connection device that connects the high-voltage device and an external device, and a connection device that is attached and detached. There is disclosed a high-voltage device including an attachment / detachment detection means for detecting.

  In the high voltage device described above, when the connecting means is removed while the opening / closing means is closed, the attachment / detachment detection means detects attachment / detachment and an interlock is applied to cut off the energization. Thereby, for example, when a worker or the like maintains or inspects a high voltage device such as an inverter or a converter included in a hybrid vehicle or an electric vehicle, safety against high voltage is ensured.

JP 2009-219284 A

  However, the high-voltage device of Patent Document 1 requires an open / close detection means and an attachment / detachment detection means in order to realize the interlock. More specifically, two switches, an open / close interlock switch and a detachable interlock switch are required. The two interlock switches not only hinder downsizing of the apparatus, but also increase the number of parts, thereby hindering reduction in product cost. The present specification provides an interlock structure that can ensure safety and contribute to downsizing and cost reduction of products.

  The interlock structure disclosed in the present specification includes a connector having a power feeding part that can be connected to a power receiving part on the front side and an opening on the back side, and can cover the opening and intersect the mounting direction in the opening. A connector cover having a first claw and a second claw that are elastically deformable in a direction and an interlock switch are provided. The interlock switch is provided on the connector. The interlock switch detects attachment / detachment of the connector cover to / from the connector. And a connector has a connector side protrusion which interferes with the 1st nail | claw before elastic deformation so that mounting | wearing of a connector cover may be blocked | prevented. In addition, when attaching the connector cover to the opening of the connector in which the power feeding unit is connected to the power receiving unit, the housing comes into contact with the second claw before the first claw interferes with the connector side projection, and the housing does not contact the connector side projection. The first claw is elastically deformed to the interference position and has a housing-side protrusion that enables the connector cover to be attached to the opening. For example, the first claw extends from the tip of the second claw in the mounting direction to the connector cover opening. Further, the first claw and the second claw of the connector cover can be formed integrally with other parts of the connector cover. Further, the connector-side protrusion of the connector can be formed integrally with the other part of the connector cover. Further, the housing-side protrusion of the housing can be formed integrally with other portions of the housing.

  According to the above interlock structure, when a connector cover is to be attached to a connector (a single connector) that is detached from the housing, the first claw of the connector cover interferes with the connector-side protrusion of the connector. Therefore, since the connector cover cannot be mounted, it is prevented that the connector cover is mounted on the single connector. On the other hand, in the connector connected to the power receiving unit of the housing (connector in the connected state), the second claw of the connector cover comes into contact with the housing-side protrusion of the housing, so that it does not interfere with the connector-side protrusion. The first claw of the connector cover is elastically deformed so as to move to the position. Therefore, the connector cover can be attached to the connected connector. Therefore, a detection signal indicating that the connector cover is attached is output from the interlock switch of the connected connector, whereas a connector cover is attached from the interlock switch of the single connector. A detection signal indicating this is not output. The signal from the interlock switch is sent to the host controller. When the host controller receives a detection signal indicating that the connector cover has been attached, it permits a high voltage to be supplied to the connector. That is, the interlock structure described above is a connector unless the two conditions of the connector power supply unit connected to the power receiving unit of the housing and the connector cover connected to the connector are satisfied. High voltage supply to is prohibited. The host controller can prevent a high voltage supply to the connector for a single connector. Further, the first and second claws of the connector cover, the connector-side protrusion of the connector, and the housing-side protrusion of the housing can be integrally formed with the other parts, thereby preventing an increase in the number of parts. It becomes possible. Therefore, safety can be ensured and the product can be reduced in size and cost.

  Details of the technology disclosed in this specification and further improvements will be described in the embodiments of the present invention.

It is a block diagram of the electric system of a hybrid vehicle. It is explanatory drawing of the case of the power control unit to which the interlock structure of an Example is applied. It is explanatory drawing which shows the structural example of the interlock structure of an Example. It is explanatory drawing which shows the operation example of the interlock structure of an Example (1). It is explanatory drawing which shows the operation example of the interlock structure of an Example (2).

  The interlock structure of the embodiment will be described with reference to the drawings. FIG. 1 shows a block diagram of an electric system of a hybrid vehicle to which the interlock structure of the embodiment is applied. The hybrid vehicle is a vehicle that travels using the power of the engine 8 or travels using the power of the main battery 2. When traveling using the power of the main battery 2, the hybrid vehicle drives the second motor 6 with the power supplied from the main battery 2 via the power control unit (PCU) 4 and the like. Drive wheels (not shown) are rotated by power. When traveling using the engine 8, the hybrid vehicle starts the engine 8 using the first motor 5 as a cell motor.

  In the hybrid vehicle, a part of the power generated by the engine 8 is transmitted to the drive wheels by the power split mechanism 7, while the remaining power is transmitted to the first motor 5 to generate power to the first motor 5. Let The electric power generated by the first motor 5 can be supplied to the second motor 6 to be used for rotating the driving wheels, or can be charged to the main battery 2 via the PCU 4 or the like. It is also possible to rotate the drive wheels by supplying power from the main battery 2 to the second motor 6 while traveling using the engine 8. Moreover, it is also possible to drive the second motor 6 with only the electric power generated by the first motor 5 without supplying electric power from the main battery 2 (battery-less traveling).

  The main battery 2 is a secondary battery such as a nickel metal hydride battery or a lithium ion battery. The main battery 2 outputs a predetermined high voltage (for example, about 200 V (volt)). In the hybrid vehicle, the first motor 5 generates power with the power of the engine 8, and the generated power is charged in the main battery 2. When the traveling hybrid vehicle decelerates, the second motor 6 generates regenerative power and charges the main battery 2 with the regenerative power. Such charging of the main battery 2 is performed via the PCU 4 or the like. The hybrid vehicle also includes a sub battery (not shown) having a voltage lower than that of the main battery 2. The sub-battery supplies power to auxiliary machines such as a power steering and an air conditioner, for example.

  The PCU 4 is provided between the main battery 2 and the first motor 5 and the second motor 6. The PCU 4 mainly includes a converter 4 a and an inverter 4 b, which are accommodated in the case 10. Converter 4a boosts the voltage of power supplied from main battery 2 to a voltage suitable for driving first motor 5 and second motor 6 as necessary. Converter 4 a also steps down the voltage of the power generated by first motor 5 and second motor 6 to a voltage suitable for charging main battery 2. For example, the voltage used for driving the first motor 5 and the second motor 6 is about 600V. The inverter 4b converts the power of the main battery 2 boosted by the converter 4a into three-phase AC power for driving the first motor 5 and the second motor 6. Further, the three-phase AC power generated by the first motor 5 and the second motor 6 is converted into DC power for charging the main battery 2.

  A system main relay (SMR) 3 is provided between the main battery 2 and the PCU 4. The SMR 3 includes two switches 3a and 3b. For example, one switch 3a switches between conduction and non-conduction of the positive line of the main power supply wiring, and the other switch 3b switches conduction and non-conduction of the negative line of the main power supply wiring. That is, the SMR 3 switches between conduction and non-conduction (cutoff) of the main power supply wiring. A high voltage cable (VH cable) is interposed between the SMR 3 and the PCU 4, and the two are electrically connected. The PCU 4 is provided with a PCU connector 14. A VH connector 20 that can be electrically connected to the electrode portion 15 of the PCU connector 14 is provided on one end side of the VH cable.

  The hybrid vehicle includes an electronic control unit (ECU) 9. Measurement data of various sensors mounted on the hybrid vehicle such as a voltage sensor for detecting the voltage of the main battery 2 is input to the ECU 9. Moreover, various control information etc. are acquired from other ECU (for example, HV-ECU) via in-vehicle LAN. In this embodiment, in addition to the measurement data of the voltage of the main battery 2, an interlock signal is input from the VH connector 20 to the ECU 9. Based on such data and signals, the ECU 9 controls the on / off control of the SMR 3 (Ready ON processing) and the step-up / step-down operation of the PCU 4. The on / off control of the SMR 3 may be performed by a host ECU such as an HV-ECU connected to the ECU 9 via the in-vehicle LAN.

  A connector that can be connected to the SMR 3 is provided at the other end of the VH cable, and is connected to the main battery 2 via the SMR 3. When an on signal of the power switch (ignition switch) of the hybrid vehicle is input to the ECU 9, the ECU 9 switches the SMR 3 to the on state, and a high voltage is output from the VH connector 20 of the VH cable. That is, power can be supplied from the main battery 2 to the PCU 4.

  By the way, during the maintenance and inspection of the hybrid vehicle, for example, the VH connector 20 of the VH cable may be disconnected from the PCU connector 14 of the PCU 4. For this reason, the hybrid vehicle has a function that does not output a high voltage from the VH connector 20 of the VH cable even if the power switch of the hybrid vehicle is accidentally turned on in such a state, that is, an interlock function. . That is, the case 10 and the VH connector 20 are provided with the interlock structure of the embodiment, thereby ensuring safety against high voltage.

  2A and 2B are explanatory views of the case 10 of the PCU 4 to which the interlock structure of the embodiment is applied. 2A is an explanatory diagram of a state in which the VH cable 50 having the VH connector 20 is connected to the case 10, and FIG. 2B is an explanatory diagram of a state in which the VH connector 20 is removed from the case 10. . Reference numeral 30 indicates a service cover to be described later. 2A, the service cover 30 is attached to the VH connector 20, and in FIG. 2B, the service cover 30 is detached from the VH connector 20.

  The case 10 of the PCU 4 has a rectangular box shape, and houses a substrate 13 on which an electronic circuit of the converter 4a and the inverter 4b (see FIG. 1) and the PCU connector 14 are mounted. The circuit components and the like constituting these electronic circuits are not shown. The case 10 is provided with a power receiving port 11 as an opening for exposing the PCU connector 14 to the outside. The power receiving port 11 is formed in a rectangular annular shape and is provided so as to protrude from the side surface of the case 10. The case 10 is made of aluminum, and is integrally formed with the power receiving port 11 by, for example, aluminum die casting.

  The power receiving port 11 accommodates the electrode portion 15 of the PCU connector 14 and is configured to be electrically connectable to the electrode portion 22 provided in the connector main body 21 of the VH connector 20. For example, the electrode part 15 of the PCU connector 14 is a plug-type electrode, and the electrode part 22 of the connector body 21 is a receptacle (jack) type electrode.

  The VH connector 20 includes, for example, a connector body 21 made of a resin (for example, polybutylene terephthalate (PBT)) having excellent withstand voltage characteristics, heat resistance characteristics, and rigidity, an electrode portion 22 obtained by processing a metal plate such as copper, and an interlock connector 26. And an output connector 28 and the like. The connector body 21 is formed in, for example, a rectangular parallelepiped shape, the connector body 21 is insert-molded on the front side 21a, and the opening 23 is formed on the back side, that is, the back side 21b. The opening 23 is, for example, a prismatic space whose longitudinal direction is formed along the long side direction of the connector main body 21, and an interlock connector 26 is provided on the bottom surface thereof.

  The interlock connector 26 is, for example, a two-pole type terminal block. An output connector 28 is provided on the short side surface of the connector main body 21, and the interlock connector 26 is electrically connected to the output connector 28 via a wiring (not shown). The output connector 28 is electrically connected to the ECU 9 (see FIG. 1). Each of the interlock connector 26 and the output connector 28 has two conductive pins (not shown), and each conductive pin of the interlock connector 26 is connected to the output connector 28 via a wiring (not shown). It is electrically connected to each conduction pin. When the short connector 36 of the service cover 30 to be described later is connected to the interlock connector 26, the two conductive pins of the interlock connector 26 are short-circuited. That is, the two conductive pins of the output connector 28 are short-circuited (on state) when the service cover 30 is attached to the connector main body 21, and are opened (off state) when the service cover 30 is removed. The ECU 9 that is electrically connected to the output connector 28 opens the SMR 3 while the two conductive pins of the output connector 28 are in the open state (off state). When the ECU 9 confirms that the two conductive pins of the output connector 28 are short-circuited (ON state), the ECU 9 switches the SMR 3 to the ON state in response to the ON signal of the power switch (ignition switch). In other words, the ECU 9 prohibits energization of the VH cable while the output connector 28 is in the open state (off state), and permits energization of the VH cable when it detects a short circuit (on) of the output connector 28. .

  The service cover 30 is a lid that can be attached to the connector main body 21 of the VH connector 20. The service cover 30 includes an outer cover 31, an inner cover 32, a side plate 33, a short connector 36, and the like. The outer cover 31, the inner cover 32, and the side plate 33 are also made of a resin (for example, polybutylene terephthalate (PBT)) having excellent withstand voltage characteristics, heat resistance characteristics, and rigidity, and these are integrally molded.

  The outer cover 31 is formed in a strip shape that can cover both the opening of the power receiving port 11 of the case 10 and the opening 23 of the connector main body 21, and an inner cover 32 is provided on the inner surface thereof. Yes. The outer surface of the outer cover 31 is a flat surface. The inner cover 32 is formed in a prismatic shape that can be accommodated in the opening 23 of the connector main body 21. Two side plates 33 formed in a short plate shape are provided near both sides of the inner side surface of the outer cover 31. These side plates 33 extend in the lateral direction of the case 10 in a state where the service cover 30 is mounted on the connector main body 21. Therefore, these side plates 33 have a width that is slightly narrower (smaller) than the short width of the outer cover 31 and are set to a length that does not contact the side surface of the case 10 when attached to the VH connector 20. Yes.

  The short connector 36 is a receptacle (jack) having a short bar obtained by processing a metal plate that is electrically connected to a conduction pin (not shown) of the interlock connector 26 of the VH connector 20. The short connector 36 is provided so as to protrude from the position (front surface) of the inner cover 32 facing the connector main body 21 side in a state where the service cover 30 is attached to the connector main body 21, that is, the connector connector 21 side. ing. Such a short connector 36 and a short bar may be insert-molded when the inner cover 32 is formed.

  By providing the service cover 30 with such a short connector 36, the continuity of the interlock connector 26 of the connector main body 21 is achieved when the service cover 30 is not attached to the VH connector 20 (the state shown in FIG. 2B). The pin is in an open state (off state). As described above, when the interlock connector 26 is in the open state, the ECU 9 maintains the off state without turning on the SMR 3 even if the on signal of the power switch of the hybrid vehicle is input. . Thereby, no high voltage is output from the VH connector 20 without the service cover 30 attached.

  Since the electrode part 22 of the VH connector 20 is exposed from the front side 21a of the connector body 21 to the outside, an operator or the like can touch it by hand during maintenance and inspection. Therefore, in order to ensure safety against high voltage, the embodiment adopts a configuration in which the service cover 30 cannot be attached to the VH connector 20 that is not connected to the PCU connector 14 of the case 10.

  Specifically, in the PCU 4 of the present embodiment, by adopting the configuration shown in FIG. 3, the service cover 30 is attached to the VH connector 20 only when the VH connector 20 is connected to the PCU connector 14 of the case 10. Interlock structure that can be attached was realized.

  FIG. 3 is an explanatory diagram of a configuration example of the interlock structure of the embodiment. 4 and 5 are explanatory views of an operation example of the interlock structure of the embodiment. Note that FIG. 3B is a view of FIG. 3A viewed from the left side of the drawing. In FIGS. 4 and 5, the drawings shown on the left side of the drawing as viewed from the left side of the drawing are shown on the right side of the drawing. 3 to 5, the right side portion of the power receiving port 11, the VH connector 20, and the service cover 30 is not illustrated.

  As shown in FIG. 3, in the interlock structure of the embodiment, a short claw 34 and a long claw 35 are provided on the side plate 33 of the service cover 30. The short claw 34 constitutes a thick portion 33a of the side plate 33 from the base end portion to the intermediate portion of the side plate 33, and a tip protrusion 34a that protrudes in an inverted L shape toward the inside at the tip. It has. On the other hand, the long claw 35 constitutes a thin portion 33b of the side plate 33 from the middle portion to the tip portion of the side plate 33, which is also formed in an inverted L shape toward the inside. A protruding tip 35a is provided. In other words, the long claw 35 extends from the tip of the short claw 34 along the mounting direction of the service cover 30. The short claw 34 and the long claw 35 are made of resin and can be elastically deformed in a direction orthogonal to the mounting direction of the service cover 30.

  The reason why the thickness of the long claw 35 is set to be thinner than that of the short claw 34 is to make the long claw 35 easier to elastically deform than the short claw 34. The tip protrusions 34a and 35a are made of a resin having excellent withstand voltage characteristics, heat resistance characteristics and rigidity, like the short claws 34 and the long claws 35 (side plate 33), and are integrated with the outer cover 31 and the inner cover 32. It is molded into.

  In the present embodiment, the tip protrusion 34 a of the short claw 34 is formed in a rectangular parallelepiped shape having both side surfaces rising substantially vertically from the thick portion 33 a of the side plate 33. Further, the tip protrusion 35a of the long claw 35 is formed in a truncated pyramid shape having an outer surface that rises substantially vertically from the thin portion 33b of the side plate 33 and an inner surface that rises obliquely toward the tip direction. The convex portion 24 that can contact the tip protrusion 34a of the short claw 34 when the service cover 30 is attached is formed on the side surface of the end portion of the connector main body 21 of the VH connector 20, and is formed in a rectangular parallelepiped shape. The protrusion amount (height) of the convex portion 24 is set as follows.

  That is, as shown in FIG. 4 (A), in the VH connector 20 detached from the case 10 (single-state VH connector 20), the service cover 30 is attached to the connector body 21, and the connector body 21 is interlocked. When the inner cover 32 is aligned so that the short connector 36 can be connected to the connector 26, the tip protrusion 34a of the short claw 34 is set to a protrusion amount (height) that does not interfere with the protrusion 24 and can be attached. ing. As a result, when the service cover 30 is moved in the mounting direction in order to attach the service cover 30 to the VH connector 20 in a single state, the protrusion 24 of the connector main body 21 advances the tip protrusion 34 a of the short claw 34. (See FIG. 4B). Therefore, it is possible to prevent the service cover 30 from being attached.

  On the other hand, the triangular protrusion 12 with which the tip protrusion 35a of the long claw 35 can contact is formed on the side surface of the end portion of the power receiving port 11 of the case 10 as shown in FIG. The triangular protrusion 12 is made of aluminum, for example, like the case 10 and the power receiving port 11, and they are integrally formed. In FIG. 3, it should be noted that a part of the power receiving port 11 where the triangular protrusion 12 is formed is expressed as a cross-sectional view. The triangular protrusion 12 is formed in a triangular prism shape, and the protrusion amount (height) is set as follows.

  That is, as shown in FIG. 5A, in the VH connector 20 (connected VH connector 20) connected to the electrode portion 15 of the PCU connector 14 of the case 10, the service cover 30 is to be attached. When the tip 30 is moved in the mounting direction, the tip projection 35 a of the long claw 35 rides on the triangular projection 12 before the tip projection 34 a of the short claw 34 interferes with the convex portion 24, so that the long claw 35 is attached in the mounting direction. The amount of protrusion that can move the tip protrusion 34a to a position (non-interference position) where the tip protrusion 34a does not interfere with the convex portion 24 (see FIG. 5B). (Height) is set. As a result, the service cover 30 that has not been attached to the single VH connector 20 can be easily attached to the connected VH connector 20 (see FIG. 5C).

  For this reason, when the service cover 30 is attached, the short connector 36 is connected to the interlock connector 26, so that the interlock connector 26 of the connector body 21 is in a short-circuited state (ON state). The ECU 9 that has detected the short-circuit state of the interlock connector 26 receives the power supplied from the main battery 2 with the SMR 3 in the ON state when the ON signal of the power switch of the hybrid vehicle is input to the VH cable 50 (see FIG. 2). ) To the PCU 4. That is, when the ECU 9 detects a short-circuit state of the interlock connector 26, the ECU 9 permits power supply through the VH cable 50.

  As shown in FIG. 5C, when the service cover 30 is removed from the VH connector 20 connected to the PCU connector 14 of the case 10, the tip protrusion 35 a of the long claw 35 rides on the triangular protrusion 12. As a result, the long claw 35 is elastically deformed in a direction (crossing direction) intersecting with the mounting direction (see FIG. 5B), and the distal end protrusion 34a does not interfere with the convex portion 24 (non-interfering position). The protrusion 34a is moved.

  That is, when attaching the service cover 30, the tip protrusion 35 a of the long claw 35 climbs on the front slope of the triangular protrusion 12 and gets over the triangular protrusion 12, whereas when removing the service cover 30, the tip protrusion 35 a of the triangular protrusion 12 Climb the rear slope and get over the triangular protrusion 12. Thus, even when the service cover 30 is removed, the tip protrusion 34a of the short claw 34 moves to a position where the tip protrusion 34a of the power receiving port 11 does not interfere (non-interference position). It can be easily removed from the VH connector 20.

  As described above, in the interlock structure of the present embodiment, the VH connector 20 having the electrode part 22 connectable to the electrode part 15 of the PCU connector 14 on the front side 21a and the opening 23 on the back side 21b; The service cover 30 having a short claw 34 and a long claw 35 that can cover the opening 23 and can be elastically deformed in a direction crossing the mounting direction to the opening 23, and an interface provided in the VH connector 20. And a lock connector 26. And the VH connector 20 has the convex part 24 which interferes with the front-end | tip protrusion 34a of the short claw 34 before elastic deformation so that mounting | wearing of the service cover 30 may be prevented. In addition, when attaching the service cover 30 to the opening 23 of the VH connector 20 in which the electrode portion 22 is connected to the electrode portion 15, the case 10 is long before the tip protrusion 34 a of the short claw 34 interferes with the convex portion 24. The short claw 34 is elastically deformed to a non-interference position with respect to the convex portion 24 by contacting the tip projection 35 a of the claw 35, and the triangular projection 12 is provided that enables the service cover 30 to be attached to the opening 23.

  As a result, when the service cover 30 is to be attached to the VH connector 20 that is detached from the case 10 (single-state VH connector 20), the tip protrusion 34 a of the short claw 34 of the service cover 30 is protruded from the VH connector 20. Interfering with the unit 24. This prevents the service cover 30 from being attached to the single VH connector 20. On the other hand, in the VH connector 20 connected to the electrode portion 15 of the PCU connector 14 of the case 10 (the connected VH connector 20), the tip protrusion 35a of the long claw 35 of the service cover 30 is formed on the triangular protrusion 12 of the case 10. , The short claw 34 of the service cover 30 is elastically deformed so as to move to a non-interference position that does not interfere with the convex portion 24. Therefore, the service cover 30 can be attached to the connected VH connector 20.

  When the service cover 30 is attached to the VH connector 20, the interlock connector 26 is short-circuited. The ECU 9 monitors the state of the interlock connector 26. When the interlock connector 26 is short-circuited, the ECU 9 permits power supply to the PCU 4 via the VH cable 50 (VH connector 20). The service cover 30 cannot be attached to the VH connector 20 when the VH connector 20 is not attached to the power receiving port 11 of the PCU 4. Therefore, in a state where the VH connector 20 is removed from the PCU 4, the ECU 9 does not supply power to the VH cable 50 (VH connector 20), and the safety of the operator who handles the VH connector 20 is ensured.

  On the other hand, the short claw 34 and the long claw 35 of the service cover 30, the convex portion 24 of the VH connector 20, and the triangular protrusion 12 of the case 10 can be integrally formed with the other parts, respectively. It becomes possible to prevent the increase. The interlock structure of the embodiment can ensure safety and contribute to downsizing and cost reduction of products.

  In the present embodiment, the example in which the above-described interlock structure is applied to the case 10 and the VH connector 20 of the PCU 4 provided in the hybrid vehicle has been described. However, the PCU of the electric vehicle that does not include the engine and travels with the driving force of the travel motor. The present invention can also be applied to a case (housing) and a VH connector (connector). In addition, the interlock structure described above can be applied as long as it is a connection structure between a connector capable of outputting a high voltage (for example, 100 V or more) and a housing of an electronic device to which the connector is connected.

  Points to be noted regarding the example technology will be described. The PCU 4 corresponds to an example of an electronic device. The case 10 corresponds to an example of a housing. The triangular protrusion 12 corresponds to an example of a housing side protrusion. The electrode unit 15 corresponds to an example of a power receiving unit. The VH connector 20 corresponds to an example of a connector. The electrode unit 22 corresponds to an example of a power feeding unit. The opening 23 corresponds to an example of the opening. The convex portion 24 corresponds to an example of a connector side protrusion. The interlock connector 26 corresponds to an example of an interlock switch. The service cover 30 corresponds to an example of a connector cover. The short claw 34 corresponds to an example of a first claw. The long claw 35 corresponds to an example of a second claw.

  Specific examples of the present invention have been described in detail above, but these are merely examples and do not limit the scope of the claims. The technology described in the claims includes various modifications and changes of the specific examples illustrated above. Further, the technical elements described in the present specification or drawings exhibit technical usefulness alone or in various combinations, and are not limited to the combinations described in the claims at the time of filing. Moreover, the technique illustrated in this specification or the drawings achieves a plurality of objects at the same time, and has technical usefulness by achieving one of the objects.

2: Main battery 3: SMR
4: PCU
10: Case 12: Triangular protrusion 14: PCU connector 15: Electrode portion 20: VH connector 21: Connector main body 21a: Front side 21b: Back side 22: Electrode portion 23: Opening portion 24: Convex portion 26: Interlock connector 28: Output connector 30: Service cover 33: Side plate 34: Short claw 35: Long claw 36: Short connector 50: VH cable

Claims (1)

It is an interlock mechanism provided between the connector connected to the power receiving unit provided in the casing of the electronic device and the casing,
A connector having a power feeding part connectable to the power receiving part on the front side and an opening on the back side;
A connector cover having a first claw and a second claw capable of covering the opening and elastically deforming in a direction intersecting the mounting direction to the opening;
An interlock switch that is provided on the connector and detects attachment / detachment of the connector cover to the connector;
With
The connector has a connector-side protrusion that interferes with the first claw before elastic deformation so as to prevent the connector cover from being mounted;
The housing contacts the second claw before the first claw interferes with the connector-side protrusion when the connector cover is attached to the opening of the connector in which the power feeding unit is connected to the power receiving unit. The first claw is elastically deformed to a non-interfering position with respect to the connector-side protrusion, and the housing-side protrusion that enables the connector cover to be attached to the opening is provided.
Interlock structure characterized by that.

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