CN212905179U

CN212905179U - Charging detection device

Info

Publication number: CN212905179U
Application number: CN202020946110.8U
Authority: CN
Inventors: 黄祖雄
Original assignee: State Grid Hengda Intelligent Energy Service Co ltd
Current assignee: State Grid Hengda Intelligent Energy Service Co ltd
Priority date: 2020-05-29
Filing date: 2020-05-29
Publication date: 2021-04-06
Anticipated expiration: 2030-05-29

Abstract

The utility model provides a charging detection device, include: the first connector comprises a first live wire end, a second live wire end, a third live wire end, a first zero wire end, a first grounding end, a connection confirmation end and a control guiding end; the second connector comprises a fourth live wire end, a second zero wire end, a second grounding end, a first light-emitting diode, a first resistor, a second resistor and a first switch; the first end of the diode is connected with the control leading end, the second end of the diode is connected with the first grounding end through the first resistor, and the second end of the diode is also connected with the first grounding end through the second resistor and the first switch.

Description

Charging detection device

Technical Field

The utility model relates to a charge the detection area, especially relate to a charge detection device.

Background

With the continuous improvement of the scientific and technological level and the living standard of people, more and more people start to buy the car to promote the convenience of life, improve the quality of life. However, as the capacity of the current automobiles is continuously increased, the emission of automobile exhaust has great influence on the ecological environment. In order to improve the increasingly worsened ecological environment, the electric automobile operates, the electric automobile provides energy to drive the vehicle to run through electric power, automobile exhaust cannot be generated in the running process, and the electric automobile has great effects of reducing the automobile exhaust and improving the environmental pollution.

Charging equipment is set up in more and more places, and charging equipment must carry out the functional test before the construction is accomplished and is put into use, and conventional mode detects through bulky, the complicated testing arrangement of structure, and the test is inconvenient, and efficiency of software testing is low.

SUMMERY OF THE UTILITY MODEL

To overcome the above disadvantages, the present invention is necessary to provide a charging detection device with simple structure and high testing efficiency.

A charge detection device, comprising:

the first connector comprises a first live wire end L1, a second live wire end L2, a third live wire end L3, a first zero line end N1, a first ground end PE, a connection confirmation end CC and a control guide end CP;

the second connector comprises a fourth live wire end L4, a second zero wire end N2 and a second ground end GND;

a first light emitting diode LED1, a diode VD, a first resistor R1, a second resistor R2 and a first switch S1;

one of the first, second, and third live wire ends L1, L2, and L3 is connected to the fourth live wire end L4 and to the first end of the first light emitting diode LED1, the second end of the first light emitting diode LED1 is connected to the first neutral wire end N1, the first neutral wire end N1 is connected to the second neutral wire end N2, the first ground end PE is connected to the second ground end GND, the control leading end CP is connected to the first end of the diode VD, the second end of the diode VD is connected to the first ground end PE through the first resistor R1, and the second end of the diode VD is further connected to the first ground end PE through the second resistor R2 and the first switch S1.

Preferably, the apparatus further comprises: a second switch S2, said one of the line terminals being connected to the fourth line terminal L4 through the second switch S2.

Preferably, the apparatus further comprises: a second LED2, wherein one of the live wire terminals is connected to a first terminal of the second LED2 through the second switch S2, and a second terminal of the second LED2 is connected to the first neutral terminal N1.

Preferably, the apparatus further comprises a controller for controlling the S2 to be turned on or off.

Preferably, the device further comprises a power supply, and the one of the live wire terminals is grounded through the power supply and the controller.

Preferably, the apparatus further comprises a third switch S3, the one of the fire terminals being connected to ground through the power source, the controller and the third switch S3.

Preferably, the device further comprises a third resistor R3, and the first end of the second light emitting diode LED2 is connected to the fourth live wire end L4 through the third resistor R3.

Preferably, the apparatus further comprises a fourth resistor R4, and the first end of the first light emitting diode LED1 is connected to the one of the fire wire ends through the fourth resistor R4.

The utility model discloses a detection device charges can be connected with battery charging outfit, realizes being connected with battery charging outfit's simulation, shows the normal of the function of charging through emitting diode after connecting normally, and detection effect is directly perceived, and this detection device charges simple structure has improved detection efficiency greatly.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required to be used in the description of the embodiments of the present invention will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive labor.

Fig. 1 is a schematic circuit structure diagram of a charging detection device provided in an embodiment of the present invention.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, not all, of the embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When a component is referred to as being "connected" to another component, it can be directly connected to the other component or intervening components may also be present.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

Referring to fig. 1, an embodiment of the present invention provides a charging detection apparatus 100 for detecting whether a charging function of a charging device is normal. Specifically, the utility model discloses a detection device 100 charges detects to seven charging devices that charge the standard, and charging device has seven holes sockets or seven core plugs, provides charging service for electric automobile.

A charge detection device 100 comprising:

the first connector 10 comprises a first live wire end L1, a second live wire end L2, a third live wire end L3, a first zero line end N1, a first ground end PE, a connection confirmation end CC and a control leading end CP;

the second connector 20 comprises a fourth live wire end L4, a second zero wire end N2 and a second ground end GND;

In this embodiment, the first connector 10 is actually a seven-hole socket or a seven-hole plug, and is adapted to the seven-hole plug or the seven-hole socket of the charging device, when the first connector 10 is plugged into the charging device, the connection end of the first connector 10 is connected to the connection end of the charging device, wherein the power signal of the first connector 10 is a three-phase alternating current signal.

The second connector 20 is actually a triple-jack socket, and the second connector 20 is connected with the first connector 10 through the connection with the first connector 10, when the first connector 10 is connected with the charging device and works normally, the second connector 20 is connected with the first connector 10, converts a three-phase alternating current signal into a single-phase alternating current signal, and can meet the power consumption requirements of other electric devices during detection.

The connection structure between the control leading end CP of the first connector 20 and the first ground end PE is used for a connection mode when the charging device works, the diode VD is used for modulating a PWM signal by a pulse width of the charging device, the first resistor R1 and the second resistor R2 are used for adjusting a level value of the control leading end CP, and the connection structure is used for implementing a control leading connection logic of the charging device.

After the control and guidance connection between the charging device and the charging detection apparatus 100 is completed, the film signal of the charging device is normally output, and accordingly, the power signal of the first connector of the charging detection apparatus 100 is normal, at this time, the first light emitting diode LED1 is turned on to emit light, so that in the detection process, the first light emitting diode LED1 emits light to indicate that the charging device is working normally, and does not emit light to indicate that the charging device is working abnormally. The charging detection device 100 is simple in structure, visual in detection result and high in detection efficiency.

Further, the charging detection apparatus 100 further includes: a second switch S2, said one of the line terminals being connected to the fourth line terminal L4 through the second switch S2. In this embodiment, when the second switch S2 is turned off, the second connector 20 has no power signal; when the second switch S2 is turned on, the second connector 20 has a power signal.

Further, the charging detection apparatus 100 further includes: a second LED2, wherein one of the live wire terminals is connected to a first terminal of the second LED2 through the second switch S2, and a second terminal of the second LED2 is connected to the first neutral terminal N1.

In this embodiment, when the second switch S2 is turned off, the second connector 20 has no power signal, and the second light emitting diode LED2 is not turned on; when the second switch S2 is turned on, the second light emitting diode LED2 will be turned on, and the second connector 20 has a power signal; therefore, in the detection process, if there is a power demand, the second switch S2 can be turned on, and it can be confirmed that the second connector 20 has the power signal by the light emission of the second light emitting diode LED 2.

Further, the charging detection apparatus 100 further includes a controller 30, and the controller 30 is configured to control the second switch S2 to be turned on or off. In this embodiment, the second switch S2 is controlled by the controller 30 to be turned on or off, so as to realize electronic control.

Further, the charging detection apparatus 100 further includes a power source 40, and the one of the live wire terminals is grounded through the power source 40 and the controller 30. In this embodiment, the power signal of the controller 30 is provided by the first connector 10 through the power source 40, and is actually provided by the charging device without an additional power source.

Further, the charging detection apparatus 100 further includes a third switch S3, and the one of the live wire terminals is grounded through the power supply, the controller and the third switch S3. In this embodiment, the third switch S3 is turned on or off to control the controller 30, and further control the second switch S2 to be turned on or off.

Further, the charging detection apparatus 100 further includes a third resistor R3, and the first end of the second light emitting diode LED2 is connected to the fourth live wire end L4 through the third resistor R3. In this embodiment, the third resistor R3 is used to limit the current of the second light emitting diode LED 2.

Further, the device also comprises a fourth resistor R4, and the first end of the first light emitting diode LED1 is connected with the one of the fire wire ends through the fourth resistor R4. In this embodiment, the fourth resistor R4 is used to limit the current of the first light emitting diode LED 1.

It is understood that the present invention is not limited to the above embodiments, and the present invention is not limited to the above embodiments.

It is clear to those skilled in the art that, for convenience and brevity of description, the specific working processes of the above-described systems, apparatuses and units may refer to the corresponding processes in the foregoing method embodiments, and are not described herein again.

The above description is only for the specific embodiments of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art can easily think of the changes or substitutions within the technical scope of the present invention, and all should be covered within the protection scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.

Claims

1. A charge detection device, comprising:

2. The charge detection device according to claim 1, further comprising: a second switch S2, said one of the line terminals being connected to the fourth line terminal L4 through the second switch S2.

3. The charge detection device according to claim 2, further comprising: a second LED2, wherein one of the live wire terminals is connected to a first terminal of the second LED2 through the second switch S2, and a second terminal of the second LED2 is connected to the first neutral terminal N1.

4. The charge detection device according to claim 2, further comprising a controller for controlling the S2 to be turned on or off.

5. The charge detection device of claim 4, further comprising a power supply, wherein the one of the line terminals is grounded through the power supply and the controller.

6. The charge detection device of claim 5, further comprising a third switch S3, wherein the one of the line terminals is connected to ground through the power supply, the controller and the third switch S3.

7. The charging detection device of claim 3, further comprising a third resistor R3, wherein the first end of the second light emitting diode LED2 is connected to the fourth live wire end L4 through the third resistor R3.

8. The charge detection device according to claim 1, further comprising a fourth resistor R4, wherein the first end of the first light emitting diode LED1 is connected to the one of the live wire ends through the fourth resistor R4.