JPH11283854A - Connector and power supply circuit using the same - Google Patents

Abstract

(57) [Problem] To appropriately supply power from a power supply circuit to a load circuit and transmit information with a simple configuration. A connector (1) for connecting a power supply circuit (1) for supplying an alternating current and a load circuit (3) having an electric load, wherein the connector (1) transmits power by a mutual inductance effect from first and second coils (23, 27). A connector 1 integrally provided with a non-contact type power transmission section and an optical signal transmission section including a light emitting element 16 and a light receiving element 17 for transmitting information by an optical signal, and a power supply circuit using the same.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a connector for connecting a power supply circuit for supplying an alternating current to a load circuit having an electric load, and a power supply circuit using the same.

[0002]

2. Description of the Related Art Generally, an electric load composed of electric components mounted on an automobile or the like and a harness connected to a power supply are usually connected by a fitting type connector. This fitting-type connector is configured to have sufficient strength so as not to be damaged at the time of assembling or to be disconnected during use, and to be firmly fitted. Therefore, there is a problem that it is difficult to simplify the connection work, and it is difficult to easily disassemble the fitting connector during recycling or the like.

For this reason, for example, Japanese Unexamined Utility Model Publication No. 1-154616
As shown in the publication, a non-contact type current-carrying part is provided in the middle of the AC wiring provided in the automobile, and a mutual inductance effect is used in which an induced electromotive force is generated by a pair of coils disposed in the current-carrying part. 2. Description of the Related Art A non-contact type energizing device for automobile wiring is known which is configured to transmit electric power and signals, thereby facilitating wiring work of signal lines and power lines.

[0004]

When the power supply and the signal transmission are performed simultaneously by the mutual inductance effect, there is a problem that magnetic interference occurs to hinder the signal transmission. . In order to solve this problem, when the power supply unit and the signal transmission unit are disposed at positions separated from each other, the power supply unit and the signal transmission unit are formed separately. And there is a disadvantage that the structure is inevitably complicated.

In view of such circumstances, the present invention provides a connector capable of properly supplying power from a power supply circuit to a load circuit and transmitting information with a simple configuration, and a power supply circuit using the same. To provide.

[0006]

The invention according to claim 1 is
A connector for connecting a power supply circuit for supplying an alternating current and a load circuit having an electric load, wherein the contactless power transmission unit transmits power by a mutual inductance effect, and a light transmits information by an optical signal. It is formed with a signal transmission section.

[0007] According to the above configuration, by supplying an alternating current from the power supply circuit to the power transmission section, power supply by generating an induced electromotive force in the load circuit by the mutual inductance effect, and transmission of information by an optical signal. Are performed simultaneously through a single connector, and the information is properly transmitted without causing a transmission failure due to magnetic interference.

According to a second aspect of the present invention, there is provided a pair of connector housings which are provided on the installation portion of the connector connector according to the first aspect and which are respectively mounted on the first mounting member and the second mounting member which can be connected to each other. Has,
A first coil forming a non-contact power transmission unit is installed on one of the two housings, and a second coil forming a non-contact power transmission unit is installed on the other of the two connector housings. The first coil and the second coil are arranged at positions close to each other in accordance with a connection operation between the mounting member and the second mounting member.

[0009] According to the above configuration, by connecting the first mounting member and the second mounting member, the first coil and the second coil constituting the non-contact type power transmission unit are positioned close to each other. In this state, the induced electromotive force is generated in the second coil corresponding to the alternating current supplied from the power supply circuit to the first coil, and this power is supplied to the electric load of the load circuit.

According to a third aspect of the present invention, in the connector according to the second aspect, the connecting operation between the first mounting member provided on the installation portion of the connector and configured to be connectable to each other is performed. Accordingly, the other coil is inserted into one of the first coil and the second coil.

[0011] According to the above configuration, by connecting the first mounting member and the second mounting member, one of the first coil and the second coil constituting the non-contact type power transmission unit is provided. With the other coil inserted, the induced electromotive force is effectively generated in the second coil, and this power can be efficiently transmitted to the load circuit.

According to a fourth aspect of the present invention, there is provided the connector according to the second or third aspect, wherein the first mounting member and the second mounting member provided on the connector installation portion and configured to be connectable to each other. Are rotatably connected with the rotation axis as a fulcrum, and the first coil and the second coil are respectively disposed on the axis of the rotation axis.

According to the above configuration, even when the first mounting member and the second mounting member are relatively displaced about the rotation axis as a fulcrum, one of the first coil and the second coil is always provided. Inside, the other coil is kept inserted, and the induced electromotive force can be effectively generated in the second coil, and this power can be efficiently transmitted to the load circuit of the load circuit.

According to a fifth aspect of the present invention, there is provided a power supply in which a power supply circuit for supplying an alternating current and a load circuit having an electric load are connected by the connector according to any one of the first to fourth aspects. In the circuit, a control unit for determining a voltage applied to the electric load and outputting a control signal corresponding to the voltage is provided, and the frequency of the AC current is changed according to the control signal output from the control unit. The frequency converter is provided in the power supply circuit.

According to the above configuration, the control unit determines the voltage applied to the electric load driven in accordance with the driving power supplied from the power supply circuit to the load circuit via the non-contact power transmission unit. If an overcurrent or an abnormal current is detected in the control unit, a control signal corresponding to the occurrence of the overcurrent or the abnormal current is output to the frequency changing means to supply the control signal to the non-contact power transmission unit. The frequency of the AC current is converted, and the voltage of the drive current transmitted to the load circuit is adjusted.

According to a sixth aspect of the present invention, there is provided a power supply in which a power supply circuit for supplying an alternating current and a load circuit having an electric load are connected from the connector according to any one of the first to fourth aspects. In the circuit, the power supply circuit is provided with a DC power supply for supplying a DC current, and switching means for interrupting the DC current supplied from the DC power supply, and turning the switching means on and off to convert the DC current to an AC current. It is configured to be converted to.

According to the above configuration, the DC current supplied from the DC power supply of the power supply circuit is converted into an AC current by the switching means and supplied to the power transmission unit, where the induced electromotive force is generated in the power transmission unit. Thus, the drive current is supplied to the electric load of the load circuit.

[0018]

FIG. 1 shows a connector 1 according to the present invention.
1 shows an example of a power supply circuit including a power supply circuit 2 and a load circuit 3 connected by a non-contact type connector 1. The power supply circuit 2 includes:
A generator 4 composed of an alternator for performing AC power generation, a converter 5 for converting an AC current supplied from the generator 4 into a DC current, and a storage battery 6 charged by the DC current converted by the converter 5; And an inverter 7 for converting a DC current supplied from the storage battery 6 into an AC current.
And a main electric connection box 8 and a sub electric connection box 9 having branches and electric fuses for various electric loads mounted on the vehicle.

In the load circuit 3, as shown in FIG.
A rectifier 10 that converts an alternating current into a direct current, a smoothing circuit 11 that reduces a pulsating component (ripple) included in an output voltage of the rectifier 10, an electric load 12 driven by the direct current, and Drive circuit 13 to be driven
And a protection circuit 14 for protecting the electric load 12. Note that, instead of the electric load 12 driven by the DC current, an electric load driven by an AC current may be provided in the load circuit 3. In this case, the rectifier 10 can be omitted.

The load circuit 3 includes a protection circuit 14
And an operation state of the electric load 12 is determined according to an electric signal output from the drive circuit 13 and the like. A control signal corresponding to the operation state is output, and a control signal for turning the electric load 12 on and off is output to the drive circuit. And a control unit 15 having a function of outputting to the control unit 13.

The control signal output from the control unit 15 is converted into an optical signal by a light emitting element 16 such as an LED provided on the connector 1 and then converted into an optical signal.
The light is transmitted to a light receiving element 17 composed of a phototransistor or the like and is input to a control unit 18 on the power supply circuit 2 side. This control unit 1
Reference numeral 8 denotes a case where the voltage applied to the electric load 12 of the load circuit 3 is determined according to the information transmitted from the control unit 15, and it is confirmed that an overcurrent or an abnormal current has occurred in the load circuit 3. In addition, by outputting a control signal corresponding thereto to the inverter 7, a function of converting the frequency of the alternating current supplied to the connector 1 and adjusting the voltage of the drive current supplied to the load circuit 3 is provided. doing.

As shown in FIGS. 3 and 4, the connector 1 has a first connector housing 19 on the power supply circuit 2 side.
And a second connector housing 20 on the load circuit 3 side. The first connector housing 19 is mounted on a first mounting member 21 formed of a body panel or the like of a vehicle body, and the second connector housing 20 is mounted on a meter unit. And so on.

The first connector housing 19 has a first coil 23 in which an alternating current supplied from the power supply circuit 2 flows, and a light receiving element 1 for receiving the optical signal.
7 are provided. In the first connector housing 19, an opening 24 for passing an optical signal is formed at the distal end face, and a check protrusion 25 for locking the first connector housing 19 to the first mounting member 21 is provided. It protrudes from the side wall surface. The first connector housing 19 is locked by the check protrusion 25 in a state where the mounting hole 26 formed in the first mounting member 21 formed of a body panel or the like of the vehicle body is inserted. .

The second connector housing 20 is provided with a second coil 27 having a larger winding diameter than the first coil 23 and the light emitting element 16 for transmitting the optical signal. The second connector housing 20 has an opening 28 having a diameter larger than the outer diameter of the first connector housing 19.
The first connector housing 19 is loosely fitted therein. Then, the second connector housing 2
0 is the second mounting member 22 composed of a meter unit or the like.
As the second mounting member 22 is connected to the first mounting member 21 as shown in FIG. 5, the second connector housing 20 is loosely fitted in the first connector housing 19 as shown in FIG. It is configured to be fitted externally in the state.

When the first connector housing 19 and the second connector housing 20 are loosely fitted as described above, the first coil 23 is inserted into the second coil 27, and the two coils 23, 27 are mutually connected. A non-contact power transmission unit that is installed close to the power supply and transmits power supplied from the power supply circuit 2 to the load circuit 3 by the first and second coils 27 is configured. In a state where the second connector housing 20 is externally fitted to the first connector housing 19, the light emitting element 16 and the light receiving element 17 face each other via the opening 24, and the light emitting element 16 and the light receiving element 17 are opposed to each other. Thus, an optical signal transmitting unit for transmitting information is configured.

In the above configuration, when an alternating current is supplied from the inverter 7 of the power supply circuit 2 to the first coil 23 of the connector 1, an induced electromotive force is generated in the second coil 27 due to a mutual inductance effect. That is, after the AC current is converted into the DC current by the rectifier 14, the AC current is supplied to the electric load 12 via the protection circuit 14 and the drive circuit 13, so that the electric load 12 is driven. The operation state of the electric load 12 is as follows.
A control signal, which is determined by the control unit 15 on the load circuit 3 side and corresponds to the operation state of the electric load 12, is supplied from the control unit 15 via the optical signal transmission unit including the light emitting element 16 and the light receiving element 17. The signal is transmitted to the control unit 18 on the circuit 2 side.

When the control unit 15 on the side of the load circuit 3 confirms that a voltage lower than the specified value is applied to the electric load 12, the control unit 15 supplies the electric load 12 to the power transmission unit of the connector 1. By outputting a control signal for increasing the frequency of the alternating current to the inverter 7 from the control unit 18 on the power supply circuit 2 side, control for increasing the voltage applied to the load circuit 3 is executed.

Also, when it is confirmed that the voltage applied to the electric load 12 is higher than a specified value, or that it is in a state where an overcurrent that may cause the electric load 12 to fail flows. A control signal for reducing the frequency of the alternating current supplied to the power transmission unit of the connector 1 is supplied to the control unit 18 on the power supply circuit 2 side.
Output to the inverter 7 to reduce the voltage applied to the load circuit 3,
Is performed, for example, prohibiting the transmission of power to

As described above, the first and second coils 23 for transmitting electric power by the mutual inductance effect to the connector 1 for connecting the power supply circuit 2 for supplying an alternating current and the load circuit 3 having the electric load 12. , 27, and the optical signal transmission unit, which transmits the information by optical signals, including the light emitting element 16 and the light receiving element 17, are integrally provided. The supply of power by supplying an alternating current to the first coil 23 of the power transmission unit to generate an induced electromotive force in the second coil 27 of the load circuit 3 and the transmission of information by an optical signal are a single operation. This can be done simultaneously by the connector.

Since the optical signals transmitted by the light emitting element 16 and the light receiving element 17 are hardly affected by electromagnetic induction, it is necessary to transmit the information properly without causing a transmission failure due to magnetic interference. Can be. In addition, since the power is transmitted through the non-contact power transmission unit including the first and second coils 23 and 27, the connection operation and the connection operation are performed in comparison with a generally used fitting connector. It is possible to easily perform the disassembling operation at the time of recycling, and it is possible to effectively prevent the occurrence of a connection failure due to a manufacturing error and an assembly error of the mounting portion.

That is, even if the installation positions of the first and second coils 23 and 27 constituting the non-contact type power transmission unit are slightly shifted, a great trouble occurs in the transmission of power utilizing the mutual inductance effect. Never. Therefore, a manufacturing error or an assembly error occurs in the first and second mounting members 21 and 22 and the first and second connector housings 19 and 20, and the direction indicated by arrows A and B in FIG. In the length direction and width direction of the first and second connector housings 19 and 20, or in the thickness direction of the first and second connector housings 19 and 20, which are orthogonal to the plane of FIG.
Even when the mounting position is slightly shifted, the above-mentioned electric power can be sufficiently transmitted.

In the above embodiment, the control circuit 15 for determining the operation state of the electric load 12 and outputting a control signal corresponding to the operation state is provided in the load circuit 3, and the control output from the control unit 15 is provided. Since the power supply circuit 2 is provided with a frequency conversion means including the inverter 7 for changing the frequency of the AC current according to a signal, when the control unit 15 confirms the occurrence of an overcurrent or an abnormal current,
A corresponding control signal is output to the inverter 7 to convert the frequency of the alternating current supplied to the first coil 23 to adjust the voltage of the drive current supplied to the load circuit 3, or By stopping the supply of the alternating current to the one coil 23, the electric load 12 can always be maintained in an appropriate operating state, and a failure of the electric load 12 can be effectively prevented.

Further, as shown in the above-described embodiment, a first connector configured to be connected to an installation portion of the connector 1 is provided.
First and second connector housings 19 and 20 are provided to be mounted on the mounting member 21 and the second mounting member 22, respectively. In the first connector housing 19, the first coil 23 of the power supply circuit 2 is installed, and The second coil 27 on the load circuit 3 side is installed in the second connector housing 20, and the first coil 27 is placed in the second coil 27 in accordance with a connection operation between the first mounting portion 21 and the second mounting member 22. Since the coil 23 is configured to be inserted, the second mounting member 22 composed of the meter unit and the like is attached to the first mounting member 21 composed of the body panel and the like, and at the same time, the first and second coils 23 and 27 are used. A non-contact power transmission unit can be configured.

The non-contact type power transmission unit can also be constructed by disposing the first coil on the power supply circuit 2 side and the second coil on the load circuit 3 side close to each other at opposing positions. However, as shown in the above embodiment, the winding diameter of the second coil 27 is made larger than that of the first coil 23, or the winding diameter of the first coil 23 is made larger than that of the second coil 27. Thus, when the two coils 23 and 27 are inserted into one of the coils 23 and 27 in a loose-fit state, an induced electromotive force corresponding to the alternating current supplied from the power supply circuit 2 to the first coil 23 is provided. Electric power is effectively generated in the second coil 27 of the load circuit 3, and the electric power can be efficiently transmitted to the load circuit 3.

The generator 4 comprising the alternator
Instead of the above-described embodiment in which the AC current supplied from the rectifier 5 is once converted into a DC current by the rectifier 5 and then converted into a side AC current by the inverter 7 and supplied to the first coil 23 of the power supply circuit 2, As shown in FIG. 6, the configuration is such that the alternating current supplied from the generator 4 composed of an alternator is supplied to the first coil 23 via frequency conversion means composed of the frequency conversion circuit 29, whereby The inverter 7, the storage battery 6, and the rectifier 5 may be omitted. In this case, a control signal corresponding to the information transmitted from the control unit 15 of the load circuit 3 is input to the frequency conversion circuit 29, and the AC current supplied to the first coil 23 by the frequency conversion circuit 29 By adjusting the frequency, the voltage applied to the load circuit 3 can be adjusted to an appropriate value.

As shown in FIG. 7, a switching means 30 such as a switching IC for interrupting a DC current supplied from a DC power supply such as the rectifier 5 or the storage battery 6 is provided in the control unit 18 of the power supply circuit 2. The switching device 30 may be turned on and off to convert the DC current into an AC current, and supply the AC current to a non-contact power transmission unit provided in the connector 1. In this case, a control signal corresponding to information transmitted from the control unit 15 of the load circuit 3 is input to the switching means 30 to change the intermittent cycle of the DC current, so that the first coil 23 By adjusting the frequency of the supplied alternating current, the power applied to the load circuit 3 can be adjusted to an appropriate value.

Further, the connector according to the present invention is not limited to the mounting portion of the meter unit, and can be installed at various positions. For example, as shown in FIG. And a second mounting member 2 comprising a door 33 rotatably connected by a door hinge 31.
It is also possible to install at the connection part with zero. In this case, the first and second connectors 23 and 2 constituting a non-contact type power transmission unit on the axis of the rotation shaft 34 of the door hinge 31
By arranging the power supply 7, even when the door 33 is opened and closed, the power supplied from the power supply circuit 2 on the vehicle body side is properly transmitted to the load circuit 3 on the door 33 side via the power transmission unit. be able to.

That is, as shown in FIG. 9, a first connector housing 36 having a cylindrical concave portion 35 provided on the lower surface.
And a second connector housing 38 provided on the upper surface with a projection 37 having a circular cross section that is loosely fitted in the concave portion 35 to form the connector 1. The first coil 23 and the light receiving element 17 are provided, and the second connector housing 3
The second coil 27 on the side of the load circuit 3 and the light emitting element 16 are arranged on the projection 37 of 8. Then, the door 33 is connected to the pillar 32 in a state where the centers of the protrusions 35 and the recesses 37 are located on the axis of the rotation shaft 34 of the door hinge 31, and the first is placed on the axis of the rotation shaft 34. , The second coil 23,
27, the rotation axis 3 of the door hinge 31
Even when the first mounting member composed of the pillar 32 and the second mounting member composed of the door 33 relatively rotate and displace with the fulcrum 4 as a fulcrum, the second coil is always included in the first coil 23. 27 can be kept inserted.

As a result, even when the door 33 is open,
An induced electromotive force corresponding to the alternating current supplied to the first coil 23 of the power supply circuit 2 installed on the vehicle body can be effectively generated in the second coil 27 of the load circuit 3, whereby the door The electric power can be efficiently supplied to the electric load 12 installed at 33. In addition, the door 33
Even when is opened and closed, it is possible to properly transmit information by an optical signal between the light emitting element 16 and the light receiving element 17.

Instead of the above-described embodiment, a first connector housing 36 having a recess 35 is attached to a second mounting member comprising a door 33, and a second connector housing 38 having a projection 37 is attached to a second It may be a structure attached to an attachment member. Further, in the above-described embodiment, an example has been described in which the information transmission unit including the light emitting element 16 and the light receiving element 17 is configured to transmit the information on the load circuit 3 side to the power supply circuit 2 side. Installed on the circuit 2 side,
7 may be provided on the load circuit 3 side to transmit information on the power supply circuit 2 side to the load circuit 3 side, or various kinds of information including information on the electric load 12 may be transmitted to the information transmitting section. The power supply circuit 2 and the load circuit 3 may be configured to exchange data bidirectionally via the power supply circuit 2 and the load circuit 3.

[0041]

As described above, the first aspect of the present invention is a connector for connecting a power supply circuit for supplying an alternating current and a load circuit having an electric load, wherein power is supplied by a mutual inductance effect. Since the non-contact power transmitting unit for transmitting the light and the optical signal transmitting unit for transmitting the information by the optical signal are provided integrally, the power supply from the power supply circuit to the load circuit can be performed with a simple configuration, The transmission of information can be performed at the same time without any trouble by a single connector, and the connection work and the disassembly work at the time of recycling can be easily performed as compared with the generally used fitting type connector, and the mounting can be performed. It is possible to effectively prevent the occurrence of a connection failure due to a manufacturing error and an assembly error of the part.

According to a second aspect of the present invention, there is provided a pair of connector housings respectively provided on a connector mounting portion and configured to be connectable to each other, the first mounting member and the second mounting member. On one side, a first coil forming a non-contact type power transmission unit is installed, and on the other of the two connector housings, a second coil forming a non-contact type power transmission unit is installed, and the first mounting is performed. Since the first coil and the second coil are arranged at positions close to each other in accordance with a connection operation between the member and the second mounting member, the first mounting member and the second mounting member are connected to each other. And a non-contact power transmission unit can be constituted by the first and second coils.

According to a third aspect of the present invention, the first coil and the first coil are provided in accordance with a connection operation between the first mounting member provided on the connector installation portion and configured to be connectable to each other, and the second mounting member. Since the other coil is inserted into one of the two coils, the induced electromotive force corresponding to the alternating current supplied from the power supply circuit to the first coil is effectively applied to the second coil on the load circuit side. And this power can be efficiently transmitted to the load circuit side.

According to a fourth aspect of the present invention, the first mounting member and the second mounting member, which are provided on the installation portion of the connector and can be connected to each other, are rotatable about a rotation axis as a fulcrum. And the first coil and the second coil.
Because the coils were each arranged on the axis of the rotation shaft,
The first mounting member and the second
Even when the mounting member is relatively rotated and displaced, the first coil and the second coil are always kept in a loosely fitted state, and a non-contact type formed by the first and second coils is used. The power transmission unit has an advantage that the power supplied from the power supply circuit can be properly transmitted to the load circuit.

According to a fifth aspect of the present invention, there is provided a control unit for determining a voltage applied to an electric load and outputting a control signal corresponding to the voltage, and responding to a control signal output from the control unit. Since the frequency conversion means for changing the frequency of the AC current is provided in the power supply circuit, when occurrence of an overcurrent or an abnormal current is confirmed in the control unit, a control signal corresponding to the occurrence of the overcurrent or abnormal current is transmitted to the frequency conversion means. By converting the frequency of the AC current supplied to the power transmission unit to the frequency of the AC current supplied to the power transmission unit, the voltage of the drive current supplied to the load circuit can be adjusted to an appropriate value.

According to a sixth aspect of the present invention, a power supply circuit is provided with a DC power supply for supplying a DC current, and a switching means for interrupting the DC current supplied from the DC power supply, and the switching means is turned on and off. By converting the DC current into an AC current, the switching means changes the intermittent cycle of the DC current in accordance with the operation state of the electric load provided in the load circuit, thereby converting the AC current. There is an advantage that the frequency applied to the load circuit can be adjusted to an appropriate value by adjusting the frequency.

[Brief description of the drawings]

FIG. 1 is an explanatory diagram illustrating a configuration of a power supply circuit of a power supply circuit according to an embodiment of the present invention.

FIG. 2 is an explanatory diagram illustrating a configuration of a load circuit of the power supply circuit.

FIG. 3 is an exploded perspective view showing an embodiment of the connector according to the present invention.

FIG. 4 is an explanatory view showing an embodiment of the connector according to the present invention.

FIG. 5 is a sectional view showing a connection state of the connector.

FIG. 6 is an explanatory diagram showing another example of the power supply circuit.

FIG. 7 is an explanatory diagram showing still another example of the power supply circuit.

FIG. 8 is a perspective view showing another example of an attached state of the connector.

FIG. 9 is an exploded sectional view showing another embodiment of the connector according to the present invention.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Connector 2 Power supply circuit 3 Load circuit 5 Rectifier (DC power supply) 6 Storage battery (DC power supply) 7 Inverter (frequency conversion means) 12 Electric load 15, 18 Control unit 16 Light emitting element (optical signal transmission part) 17 Light receiving element (optical signal) 19, 36 1st connector housing 20, 38 2nd connector housing 21 1st mounting member 22 2nd mounting member 23 1st coil 27 2nd coil 29 Frequency conversion circuit (frequency conversion means) 30 Switching means 32 pillar ( Door (first mounting member) 33 Door (first mounting member) 34 Rotary shaft

Claims (6)

[Claims] 1. A connector for connecting a power supply circuit for supplying an alternating current and a load circuit having an electric load, wherein a non-contact type power transmission unit for transmitting power by a mutual inductance effect, and an optical signal An optical signal transmission unit for transmitting information is provided integrally with the connector. 2. A pair of connector housings provided on a connector installation portion and configured to be connectable to each other, the pair of connector housings being respectively mounted on a first mounting member and a second mounting member. The first part that constitutes the transmission unit
A coil is installed, and a second coil constituting a non-contact type power transmission unit is installed on the other of the two connector housings, and the first mounting member and the second mounting member are connected in accordance with a connection operation between the first mounting member and the second mounting member. The connector according to claim 1, wherein the first coil and the second coil are arranged at positions close to each other. 3. A first mounting member provided at a connector installation portion and configured to be connectable to each other, and one of the first coil and the second coil in accordance with a connection operation between the first mounting member and the second mounting member. 3. The connector according to claim 2, wherein the other coil is inserted. 4. The first mounting member and the second mounting member provided on a connector installation portion and configured to be connectable to each other are rotatably connected around a rotation axis as a fulcrum,
4. The connector according to claim 2, wherein the first coil and the second coil are respectively disposed on the axis of the rotating shaft. 5. A power supply circuit comprising: a power supply circuit for supplying an alternating current; and a load circuit having an electric load, wherein the connector according to any one of claims 1 to 4, A control unit that determines a voltage to be added and outputs a control signal corresponding to the voltage; and a frequency conversion unit that changes a frequency of the alternating current according to a control signal output from the control unit. A power supply circuit provided in the power supply circuit. 6. A power supply circuit in which a power supply circuit for supplying an alternating current and a load circuit having an electric load are connected by the connector according to claim 1. A DC power supply for supplying a DC current,
And a switching means for intermittently switching the DC current supplied from the DC power supply, and turning on and off the switching means to convert the DC current into an AC current.