CN202616743U - Circuit protection device and electric vehicle control system - Google Patents
Circuit protection device and electric vehicle control system Download PDFInfo
- Publication number
- CN202616743U CN202616743U CN 201220263324 CN201220263324U CN202616743U CN 202616743 U CN202616743 U CN 202616743U CN 201220263324 CN201220263324 CN 201220263324 CN 201220263324 U CN201220263324 U CN 201220263324U CN 202616743 U CN202616743 U CN 202616743U
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- sub
- socket
- plug
- relay
- protection device
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Abstract
The utility model provides a circuit protection device, which comprises a plug, a socket and a relay, wherein the plug comprises a first sub-plug and a second sub-plug; the first sub-plug is in short circuit with the second sub-plug; the socket comprises a first sub-socket and a second sub-socket; the first sub-socket and the first sub-plug correspond to each other and are grounded; the second sub-socket and the second sub-plug correspond to each other; the first sub-socket is independent of the second sub-socket; a cathode of the relay is connected with the second sub-socket, and an anode of the relay is connected with a power supply; first pins of a group of normally open contacts of the relay are connected with the anode of the relay, and second pins of a group of normally open contacts of the relay are connected with the power supply end of the circuit; and the power supply of the circuit is controlled to be connected when the plug is inserted into the socket, and the power supply of the circuit is controlled to be disconnected when then plug is unplugged from the socket. By the device, the power supply of the control circuit can be timely disconnected after the plug is unplugged, the personal safety is guaranteed, and the circuit is simple and reliable. The utility model also provides an electric vehicle control system.
Description
Technical field
The utility model relates to circuit protection control technology field, particularly a kind of circuit protection device and the electric vehicle control system with this circuit protection device.
Background technology
At present, in the environment of our daily life, work, most socket, plug are the circuit protection devices of not being with protection against electric shock, and this will cause Danger Electric shock risk, give people life, that work brings is unfavorable.
For example, known controller for electric vehicle output three-phase electricity partly is that direct air plug joint with three cores is connected with motor, when the air plug joint is removed, can not judge the situation whether it also has big electric current, and this just might cause the injury to human body.And general air plug joint can not avoid this situation to take place in time, causes certain danger to the maintainer.
The utility model content
The purpose of the utility model is intended to solve at least one of above-mentioned technical problem.
For this reason, first purpose of the utility model is to propose a kind of circuit protection device, can after plug is extracted, break off the power supply of control circuit in time, guarantee personal safety, and circuit is simple and reliable.
Second purpose of the utility model is to propose a kind of electric vehicle control system.
For achieving the above object, the circuit protection device that the utility model first aspect proposes comprises: plug, said plug comprise the first sub-plug and the second sub-plug, and the said first sub-plug and the said second sub-plug short circuit; Socket; Said socket comprises the first sub-socket and the second sub-socket, wherein, and the said first sub-socket and the corresponding and ground connection of the said first sub-plug; The said second sub-socket is corresponding with the said second sub-plug, and the said first sub-socket is independent mutually with the said second sub-socket; And relay; The negative pole of said relay links to each other with the said second sub-socket, and the positive pole of said relay links to each other with power supply, and first pin of one group of normally opened contact of said relay links to each other with the positive pole of said relay; Second pin of one group of normally opened contact of said relay links to each other with the power end of circuit; Wherein, insert the power supply of the said circuit of said socket time control turn-on, and break off the power supply of said circuit in the control when said socket is extracted of said plug at said plug.
According to the circuit protection device of the utility model, after plug was extracted from socket, relay was in normally open, and the power supply of open circuit is guaranteed personal safety in time, brings convenience to maintenance.In addition, the circuit of this circuit protection device is simple and reliable.
Further, said circuit protection device also comprises binding post, and first end of said binding post links to each other with the said second sub-socket, and second end of said binding post links to each other with the negative pole of said relay.
And, also comprising control cabinet, said binding post and said relay are installed in the said control cabinet.
Wherein, said plug and socket is the three phase mains input unit.Perhaps, said plug and socket is the two-phase power supply input unit.
The utility model second aspect has also proposed a kind of electric vehicle control system, comprising: the circuit protection device that the utility model first aspect proposes; Controller for electric vehicle, said controller for electric vehicle links to each other with said circuit protection device; And motor, said motor links to each other with said circuit protection device.
According to the electric vehicle control system of the utility model, more safe and reliable under the protection of circuit protection device, make things convenient for the maintainer to carry out inspection operation, and can guarantee maintainer's safety.
Aspect that the utility model is additional and advantage part in the following description provide, and part will become obviously from the following description, or recognize through the practice of the utility model.
Description of drawings
Above-mentioned and/or additional aspect of the utility model and advantage are from obviously with easily understanding becoming the description of embodiment below in conjunction with accompanying drawing, wherein:
Fig. 1 is the circuit theory diagrams according to the circuit protection device of the utility model embodiment; With
Fig. 2 is the electric vehicle control system block diagram according to the utility model embodiment.
Embodiment
Describe the embodiment of the utility model below in detail, the example of said embodiment is shown in the drawings, and wherein identical from start to finish or similar label is represented identical or similar elements or the element with identical or similar functions.Be exemplary through the embodiment that is described with reference to the drawings below, only be used to explain the utility model, and can not be interpreted as restriction the utility model.
Hereinafter the different structure that provides many various embodiment or example to be used for realizing the utility model disclosed.In order to simplify disclosing of the utility model, hereinafter the parts and the setting of specific examples are described.Certainly, they only are example, and purpose does not lie in restriction the utility model.In addition, the utility model can be in different examples repeat reference numerals and/or letter.This repetition is in order to simplify and purpose clearly, itself not indicate the relation between various embodiment that discuss of institute and/or the setting.In addition, various specific technology and examples of material that the utility model provides, but those of ordinary skills can recognize the property of can be applicable to of other technologies and/or the use of other materials.In addition; First characteristic of below describing second characteristic it " on " structure can comprise that first and second characteristics form the embodiment of direct contact; Can comprise that also additional features is formed on the embodiment between first and second characteristics, such first and second characteristics possibly not be direct contacts.
In the description of the utility model, need to prove, unless otherwise prescribed and limit; Term " installation ", " linking to each other ", " connection " should be done broad understanding, for example, can be mechanical connection or electrical connection; Also can be the connection of two element internals, can be directly to link to each other, and also can link to each other indirectly through intermediary; For those of ordinary skill in the art, can understand the concrete implication of above-mentioned term as the case may be.
With reference to following description and accompanying drawing, with these and other aspects of the embodiment that knows the utility model.In these descriptions and accompanying drawing; Some specific implementations among the embodiment of the utility model are specifically disclosed; Represent to implement some modes of principle of the embodiment of the utility model, but the scope of embodiment that should be appreciated that the utility model is not limited.On the contrary, the embodiment of the utility model comprises and falls into appended spirit that adds the right claim and all changes, modification and the equivalent in the intension scope.
With reference to Fig. 1 the circuit protection device that proposes according to the utility model first aspect is described below.
As shown in Figure 1, this circuit protection device comprises plug 101, socket 102 and relay 103.Wherein, plug 101 also comprises the first sub-plug a and the second sub-plug b, and the first sub-plug a and the second sub-plug b short circuit.Socket 102 also comprises the first sub-socket a ' and the second sub-socket b '; Wherein, The first sub-socket a ' and the corresponding and ground connection of the first sub-plug a, the second sub-socket b ' is corresponding with the second sub-plug b, and the first sub-socket a ' and the second sub-socket b ' independent (not connecting) mutually.The negative pole (-) of relay 103 links to each other with the second sub-socket b '; The positive pole (+) of relay 103 links to each other with power supply VCC; First pin one of one group of normally opened contact 104 of relay 103 links to each other with the positive pole (+) of relay 103, and second pin two of one group of normally opened contact 104 of relay 103 links to each other with the power end 105 of circuit, wherein; Insert the power supply of sockets 102 time control turn-on circuit at plug 101, and at the power supply of plug 101 control open circuit when socket 102 is extracted.What in addition, 3 of relay 103,4 pins were corresponding is coil.
That is to say, when plug 101 inserts socket 102, because the first sub-plug a and the second sub-plug b are short circuits; So the first sub-socket a ' also just correspondingly connects together with the second sub-socket b '; Relay 103 is started working, and normally opened contact 104 closures have been connected the power supply of control circuit.When plug 101 when socket 102 is extracted; Because the first sub-socket a ' and the second sub-socket b ' separate; Relay 103 quits work, and normally opened contact 104 keeps normally open, has then broken off the power supply of control circuit; Control section lost efficacy, and so just can avoid causing because pulling out plug the behavior of getting an electric shock.
Need to prove that power supply VCC can be 12V or 24V, ground connection GND is also corresponding with it, is the work for control relay 103.
In an embodiment of the utility model, as shown in Figure 1, the foregoing circuit protective device also comprises binding post 106.Wherein, first end 5 of binding post 106 links to each other with the second sub-socket b ', and second end 6 of binding post 106 links to each other with the negative pole (-) of relay 103.In an example of the utility model, binding post 106 can be the 2PIN terminal.
Adopt binding post to connect, guaranteed that the connection of protective circuit is reliable more, accurate, handled easily.
In an embodiment of the utility model, as shown in Figure 1, the foregoing circuit protective device also comprises control cabinet 107, and binding post 106 is installed in the control cabinet 107 with relay 103.
In addition, in an embodiment of the utility model, plug 101 can be the three phase mains input unit with socket 102.
In another embodiment of the utility model, plug 101 also can be the two-phase power supply input unit with socket 102.
According to the circuit protection device of the utility model, after plug was extracted from socket, relay was in normally open, and the power supply of open circuit is guaranteed personal safety in time, brings convenience to maintenance.In addition, the circuit of this circuit protection device is simple and reliable.
With reference to Fig. 2 the electric vehicle control system that proposes according to the utility model second aspect is described below.
As shown in Figure 2, this electric vehicle control system comprises above-mentioned circuit protection device 201, controller for electric vehicle 202 and motor 203.Wherein, controller for electric vehicle 202 links to each other with circuit protection device 201, and motor 203 also links to each other with circuit protection device 201.
According to the electric vehicle control system of the utility model, more safe and reliable under the protection of circuit protection device, make things convenient for the maintainer to carry out inspection operation, and can guarantee maintainer's safety.
In the description of this specification, the description of reference term " embodiment ", " some embodiment ", " example ", " concrete example " or " some examples " etc. means the concrete characteristic, structure, material or the characteristics that combine this embodiment or example to describe and is contained among at least one embodiment or example of the utility model.In this manual, the schematic statement to above-mentioned term not necessarily refers to identical embodiment or example.And concrete characteristic, structure, material or the characteristics of description can combine with suitable manner in any one or more embodiment or example.
Although illustrated and described the embodiment of the utility model; For those of ordinary skill in the art; Be appreciated that under the situation of principle that does not break away from the utility model and spirit and can carry out multiple variation, modification, replacement and modification that the scope of the utility model is accompanying claims and be equal to and limit to these embodiment.
Claims (6)
1. a circuit protection device is characterized in that, comprising:
Plug, said plug comprise the first sub-plug and the second sub-plug, and the said first sub-plug and the said second sub-plug short circuit;
Socket; Said socket comprises the first sub-socket and the second sub-socket, wherein, and the said first sub-socket and the corresponding and ground connection of the said first sub-plug; The said second sub-socket is corresponding with the said second sub-plug, and the said first sub-socket is independent mutually with the said second sub-socket; With
Relay; The negative pole of said relay links to each other with the said second sub-socket, and the positive pole of said relay links to each other with power supply, and first pin of one group of normally opened contact of said relay links to each other with the positive pole of said relay; Second pin of one group of normally opened contact of said relay links to each other with the power end of circuit; Wherein, insert the power supply of the said circuit of said socket time control turn-on, and break off the power supply of said circuit in the control when said socket is extracted of said plug at said plug.
2. circuit protection device as claimed in claim 1 is characterized in that, also comprises:
Binding post, first end of said binding post links to each other with the said second sub-socket, and second end of said binding post links to each other with the negative pole of said relay.
3. circuit protection device as claimed in claim 2 is characterized in that, also comprises:
Control cabinet, said binding post and said relay are installed in the said control cabinet.
4. like each described circuit protection device among the claim 1-3, it is characterized in that said plug and socket is the three phase mains input unit.
5. like each described circuit protection device among the claim 1-3, it is characterized in that said plug and socket is the two-phase power supply input unit.
6. an electric vehicle control system is characterized in that, comprising:
Like each described circuit protection device of claim 1-4;
Controller for electric vehicle, said controller for electric vehicle links to each other with said circuit protection device; With
Motor, said motor links to each other with said circuit protection device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220263324 CN202616743U (en) | 2012-06-05 | 2012-06-05 | Circuit protection device and electric vehicle control system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220263324 CN202616743U (en) | 2012-06-05 | 2012-06-05 | Circuit protection device and electric vehicle control system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202616743U true CN202616743U (en) | 2012-12-19 |
Family
ID=47350413
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220263324 Expired - Fee Related CN202616743U (en) | 2012-06-05 | 2012-06-05 | Circuit protection device and electric vehicle control system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202616743U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106800062A (en) * | 2017-01-17 | 2017-06-06 | 浙江佳佳童车有限公司 | A kind of petal of baby carriage switch safety controls circuit |
-
2012
- 2012-06-05 CN CN 201220263324 patent/CN202616743U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106800062A (en) * | 2017-01-17 | 2017-06-06 | 浙江佳佳童车有限公司 | A kind of petal of baby carriage switch safety controls circuit |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20121219 Termination date: 20190605 |