CN206788268U - A kind of electric vehicle high-voltage system detection means - Google Patents
A kind of electric vehicle high-voltage system detection means Download PDFInfo
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- CN206788268U CN206788268U CN201720477708.5U CN201720477708U CN206788268U CN 206788268 U CN206788268 U CN 206788268U CN 201720477708 U CN201720477708 U CN 201720477708U CN 206788268 U CN206788268 U CN 206788268U
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Abstract
The utility model discloses a kind of electric vehicle high-voltage system detection means, include the upper lid and housing for the connection that cooperates, high tension loop make-and-break control switch is provided with the upper lid, high-voltage interlocking loop make-and-break control switch, the detection socket insulating protective cover of multiple detection sockets and the multiple detection socket of movable covering, the side of the housing is provided with input high-tension connector seat, opposite side is provided with the output end high-tension connector being adapted with the input high-tension connector seat, the output end high-tension connector is provided with via sheath with the position that the housing is connected, the enclosure interior is provided with high-tension fuse and high tension loop connecting line.Electric vehicle high-voltage system detection means of the present utility model can ensure that operating personnel's is safe to use while high-pressure system a variety of detection functions are realized.
Description
Technical field
The utility model belongs to new-energy automobile high-pressure system testing field, and in particular to a kind of electric vehicle high-voltage system inspection
Survey device.
Background technology
Electric car has a high-pressure system of B step voltages, including high-tension battery, power motor, inverter, onboard charger,
The high splenium part such as DCDC, high-tension electricity wire harness, its operating voltage is typically in more than 300V, and operating current is up to hundreds of amperes.
, it is necessary to which the many-side such as function, performance, safety to electric vehicle high-voltage system is filled in electric car development process
Divide test checking.Meanwhile electric car is required to pair when there is high-pressure system dependent failure in trial-production, production, stage each after sale
High-pressure system carries out Measuring error.The high-pressure system of electric car possesses IPXXB degree of protection when assembling intact, can prevent hand
Abutment needs to dismantle high voltage component to dangerous live part in Measuring error, and maintains electrification in high voltage part
Naked state can be detected.Therefore, during test and maintenance, if misoperation, it is likely that high tension loop can be caused
Short circuit, cause device damage and the burn of personnel；Meanwhile when being tested under high pressure electrifying condition, high voltage and high current
It is even dead to may result in personnel's electric shock injury for the personal safety of high tension loop entail dangers to tester, improperly operation.
For this solution it is required that it is that the formulation of electric vehicle high-voltage system coherent detection project is applied widely, uses peace
Full detection means so that the safe operation of detection process can be taken into account while a variety of detection functions of high-pressure system are realized.
Utility model content
For problem above, the utility model provides a kind of while high-pressure system a variety of detection functions are realized, protects
Hinder the electric vehicle high-voltage system detection means safe to use of operating personnel.
The technical solution adopted in the utility model is：
The utility model provides a kind of electric vehicle high-voltage system detection means, includes the upper lid and shell of the connection that cooperates
Body, high tension loop make-and-break control switch, high-voltage interlocking loop make-and-break control switch, multiple detection sockets are provided with the upper lid
And the detection socket insulating protective cover of movable the multiple detection socket of covering, the side of the housing is provided with input
High-tension connector seat, opposite side are provided with the output end high-tension connector being adapted with the input high-tension connector seat, institute
State output end high-tension connector and the position that the housing is connected is provided with via sheath, the enclosure interior is provided with high-voltage fuse
Disconnected device and high tension loop connecting line.
Alternatively, the high-tension fuse is arranged on high-tension fuse firm banking, and the high-tension fuse fixes bottom
Seat is arranged in the fixed plate being placed on the bottom surface of the housing.
Alternatively, the high-tension fuse firm banking and the fixed plate are made by insulated non-metal material.
Alternatively, the high tension loop connecting line includes high tension loop negative lead, high tension loop positive lead, height
Interlocking loop connecting line and bonding connecting line are pressed, the detection socket includes high tension loop negative pole detection socket, height pushes back
Road positive pole detection socket and bonding detection socket.
Alternatively, the high tension loop negative lead includes the first high tension loop negative lead and the second high tension loop
Negative lead, described first high tension loop negative lead one end are connected with the input high-tension connector seat, the other end
It is connected with one end of the high tension loop make-and-break control switch, described second high tension loop negative lead one end and the high pressure
The other end connection of loop make-and-break control switch, the other end are connected with the output end high-tension connector, and the high tension loop is born
Pole detection socket is connected by connecting line with the second high tension loop negative lead；The high tension loop positive lead bag
The first high tension loop positive lead, the second high tension loop positive lead and the 3rd high tension loop positive lead are included, it is described
First high tension loop positive lead one end is connected with the input high-tension connector seat, the other end and the high-tension fuse
One end connection, one end of the second high tension loop positive lead is connected with the other end of the high-tension fuse, another
End is connected with one end of the high tension loop make-and-break control switch, described 3rd high tension loop positive lead one end and the height
The other end connection of road make-and-break control switch is pushed back, the other end is connected with the output end high-tension connector, the high tension loop
Positive pole detection socket is connected by connecting line with the 3rd high tension loop positive lead；High-voltage interlocking loop connecting line
One end be connected with high-voltage interlocking loop make-and-break control switch, the other end is connected with the output end high-tension connector；
Described bonding connecting line one end is connected with the housing, and the other end connects with the output end high-tension connector
Connect, the bonding detection socket is connected by connecting line with the bonding connecting line.
Alternatively, the upper lid and the housing are attached by screw.
Alternatively, the upper lid and the housing are made by metal material.
Alternatively, high tension loop negative pole detection socket, high tension loop positive pole detection socket and the bonding detection are inserted
Mouth is provided with spring locking mechanism.
Compared with prior art, electric vehicle high-voltage system detection means provided by the utility model at least has following excellent
Point：It can be serially connected among high tension loop, it is possible to achieve do not dismantle in high voltage component and measurement process without electrification in high voltage partial denudation
In the case of following detect is carried out to electric vehicle high-voltage system：The loop state of high-pressure system, insulaion resistance, vehicle voltage are surveyed
Amount, the insulation measurement of vehicle and each branch road, the detection of high-pressure system pre-charge process, discharge process detection of high-pressure system etc.
Test event；IPXXD protection is provided in the case where working condition detects socket couple state, is beaten in a non-operative state in protective cover
IPXXB protection is provided in the state of opening, operating personnel can not be touched electrification in high voltage part in detection process；Whole device
With function of shielding, the shield effectiveness of vehicle is not influenceed after high tension loop is serially connected with, so as to realize that high-pressure system is more
While kind detection function, ensure that operating personnel's is safe to use.
Brief description of the drawings
Fig. 1 is the general principle figure of electric vehicle high-voltage system detection means of the present utility model work.
Fig. 2 is the structural representation of electric vehicle high-voltage system detection means of the present utility model in a non-operative state.
Fig. 3 is the structural representation of electric vehicle high-voltage system detection means of the present utility model in the operating condition.
Fig. 4 is the internal structure schematic diagram of electric vehicle high-voltage system detection means of the present utility model.
Fig. 5 is that electric vehicle high-voltage system detection means of the present utility model uses connection diagram.
(description of reference numerals)
1- input high-tension connector seats；Covered on 2-；3- housings；4- via sheaths；
5- output end high-tension connectors；6- high tension loop make-and-break control switch；
7- high-voltage interlockings loop make-and-break control switch；8- high tension loops negative pole detects socket；
9- detects socket insulating protective cover；10- high tension loops positive pole detects socket；
11- bondings detect socket；12- high tension loop negative leads；13- high tension loop positive leads；
14- high-voltage interlockings loop connecting line；15- bonding connecting lines；16- high-tension fuse firm bankings；
17- high-tension fuses；18- fixed plates；High-voltage wiring harness end in 19- vehicle high-voltage systems；
The high voltage component end that 20- vehicle high-voltage system breaks are opened.
Embodiment
To make the technical problems to be solved in the utility model, technical scheme and advantage clearer, below in conjunction with accompanying drawing
And specific embodiment is described in detail.
Fig. 1 is the general principle figure of electric vehicle high-voltage system detection means of the present utility model work.Fig. 2 is that this practicality is new
The structural representation of the electric vehicle high-voltage system detection means of type in a non-operative state.Fig. 3 is electric car of the present utility model
The structural representation of high-pressure system detection means in the operating condition.Fig. 4 detects for electric vehicle high-voltage system of the present utility model
The internal structure schematic diagram of device.Fig. 5 is that electric vehicle high-voltage system detection means of the present utility model uses connection diagram.
First, electric vehicle high-voltage system detection means of the present utility model is introduced referring to figs. 2 to Fig. 4.Such as Fig. 2 extremely
Shown in 4, the electric vehicle high-voltage system detection means that the utility model embodiment provides may include the He of upper lid 2 connected that cooperates
Housing 3.As shown in figure 3, high tension loop make-and-break control switch 6 is provided with the upper lid 2, break-make control in high-voltage interlocking loop is opened
Close the detection socket insulating protective cover 9 of 7, multiple detection sockets and the multiple detection socket of movable covering, the housing 3
Side be provided with input high-tension connector seat 1, opposite side is provided with what is be adapted with the input high-tension connector seat
Output end high-tension connector 5.Input high-tension connector seat 1 can be connected by screw with housing 3, and is provided with junction close
Seal, so as to ensure IP67D degree of protection, the position that output end high-tension connector 5 is connected with the housing is provided with via
Sheath 4, the housing 3 are internally provided with high-tension fuse 17 and high tension loop connecting line.
In the utility model, due to being provided with inspection on the top for the high tension loop detection socket that can not realize IPXXD requirements
Socket insulating protective cover 9 is surveyed, meanwhile, it is provided with via sheath 4 in output end high-tension connector 5 and the position of housing 3 so that high pressure is examined
IPXXD requirements can be met in off working state by covering insulating protective cover 9 by surveying device, can when opening insulating protective cover 9
Meet IPXXB requirements, ensure that electrical shock safety during test.
As shown in Figures 2 and 3, output end high-tension connector 5 and housing 3 are by through the hole for being opened in the side of housing 3
Wire harness connects, and via sheath 4 is set in wire harness and is close to the side of housing 3.In an example of the present utility model, via sheath
4 can be rubber seal.Detection socket insulating protective cover 9 can be connected to by pivot structure on upper lid 2, for example, can be upper
The shrinkage pool for placing rotating shaft is offered on lid 2, the clamping being adapted with the rotating shaft is formed on detection socket insulating protective cover 9
Portion, by Access Division and the cooperation of rotating shaft, achievable detection socket insulating protective cover 9 is flexibly connected with upper lid, so as to open
Socket insulating protective cover 9 is detected with closing.
In the utility model, it may include 3 detection sockets, as shown in Figure 3, it may include high tension loop negative pole detects socket
8th, high tension loop positive pole detection socket 10 and bonding detection socket 11, so, electric car high pressure provided by the utility model
System detecting device can have two controlling switches and three detection sockets to realize the detection of the multiple projects of high-pressure system.This 3
Individual detection socket may be arranged at equilateral or isosceles triangle, but be not limited thereto, and be also arranged to other suitable shapes.This
The operation principle for the electric vehicle high-voltage system detection means that utility model provides is as shown in Figure 1.As shown in figure 1, pushed back by height
Road make-and-break control switch, high-voltage interlocking loop make-and-break control switch and each detection socket, the multiple items of high-pressure system can be achieved
Purpose detects.Specifically, by controlling high tension loop to switch 6, the break-make control of high tension loop can be achieved；By controlling high pressure mutual
Lock-switch 7, the break-make in high-voltage interlocking loop is can control, so as to realize the validation test of high-voltage interlocking function；This 3 detection sockets
It with spring locking mechanism, can be adapted with the test pencil of universal tester instruments and meters, realize vehicle voltage measurement, vehicle and each
The insulation measurement on road, the detection of high-pressure system pre-charge process, the discharge process detection of high-pressure system, bonding function etc.
Detection project, the specific implementation structure in the utility model to spring locking mechanism is not particularly limited, as long as being that by
Any structure of locking function can be with.Specifically, it can be coordinated using universal meter etc. instrument and meter by detecting socket and realize height
The loop state of pressure system；One probe of insulation meter is inserted to the positive and negative electrode of detection socket, another probe insertion screen respectively
Cover earthing detection socket and realize insulaion resistance；Using voltmeter, probe is inserted to both positive and negative polarity detection socket respectively to realize vehicle
Voltage measurement；Socket is detected by high tension loop both positive and negative polarity and detects voltage status to realize that high-pressure system pre-charge process detects；
Socket is detected by high tension loop both positive and negative polarity and detects voltage status to realize that the discharge process of high-pressure system detects.Non-coupled
Under state, 3 detection sockets can have IPXXB degree of protection by covering insulating protective cover 9；Under couple state, 3 detections
Socket has IPXXD degree of protection.
As shown in figure 4, the high-tension fuse 17 is arranged on high-tension fuse firm banking 16, the high-tension fuse
Firm banking 16 is arranged in the fixed plate 18 being placed on the bottom surface of the housing.It is preferred that the high-tension fuse is that 15A is high
Fuse is pressed, for protecting safety of the high-voltage detecting device under excessively stream or short-circuit conditions.Connected due to high-tension fuse 17
It is high-pressure section, therefore, to ensure safety, high-tension fuse firm banking 16 is made up of insulated non-metal material, fixed plate 18
Also it is made up of insulated non-metal material.
The high tension loop connecting line includes high tension loop negative lead 12, high tension loop positive lead 13, high pressure
Interlocking loop connecting line 14 and bonding connecting line 15, wherein, the high tension loop negative lead pushes back including the first height
Road negative lead and the second high tension loop negative lead, described first high tension loop negative lead one end and the input
The connection of high-tension connector seat is held, the other end is connected with one end of the high tension loop make-and-break control switch, and second height pushes back
Road negative lead one end is connected with the other end of the high tension loop make-and-break control switch, the other end and the output end high pressure
Connector is connected, and the high tension loop negative pole detection socket is connected by connecting line and the second high tension loop negative lead
Connect；The high tension loop positive lead include the first high tension loop positive lead, the second high tension loop positive lead and
3rd high tension loop positive lead, described first high tension loop positive lead one end and the input high-tension connector seat
Connection, the other end is connected with one end of the high-tension fuse, one end of the second high tension loop positive lead with it is described
The other end connection of high-tension fuse, the other end are connected with one end of the high tension loop make-and-break control switch, and the described 3rd is high
The other end that road positive lead one end is pushed back with the high tension loop make-and-break control switch is connected, the other end and the output end
High-tension connector connects, and the high tension loop positive pole detection socket passes through connecting line and the 3rd high tension loop positive lead
Connection；One end of high-voltage interlocking loop connecting line is connected with high-voltage interlocking loop make-and-break control switch, the other end with
The output end high-tension connector connection；Described bonding connecting line one end is connected with the housing, the other end with it is described defeated
Go out to hold high-tension connector to connect, the bonding detection socket is connected by connecting line with the bonding connecting line.That is,
High tension loop negative lead 12, high tension loop positive lead 13, high-voltage interlocking loop connecting line 14 connect with bonding
Line 15 is finally collected in the wire harness being connected with output end high-tension connector 5.
In the utility model, the upper lid 2 and the housing 3 can be attached by screw, therefore, can be in upper lid 2
The marginal position being in contact with housing 3 is provided with 4 fixing holes.The upper lid 2 and the housing 3 can be by metal material systems
Into.Screen layer in high tension loop is that bonding connecting line 15 is connected with housing 3, ensure that shield effectiveness, makes the detection
Device does not influence the shield effectiveness of high-pressure system when vehicle is run.
In the utility model, high-pressure system detection means is independent detection device, its input high-tension connector seat 1
It is a pair of high-tension connectors being adapted with output end high-tension connector 5, adjustment can be designed according to specific vehicle, by high pressure
Detection means is serially connected among high tension loop, can be specifically serially connected between high voltage component and high-voltage wiring harness, is realized not to vehicle
High voltage component dismantled and without electrification in high voltage partial denudation in the case of realize the related test of vehicle high-pressure system, using fast
Victory is convenient.
When using electric vehicle high-voltage system detection means of the present utility model, as shown in figure 5, first by vehicle high-voltage system
The high-tension connector being adapted on high-voltage wiring harness end 19 in system with high-pressure system detection means is disconnected, and the high pressure at wire harness end is connected
Device is connect to be connected with the input high-tension connector 1 of high-pressure system detection means, then the output end of high-pressure system detection means is high
The high-tension connector at the high voltage component end 20 that pressure connector 5 is opened with the vehicle high-voltage system break being adapted is connected.Open high pressure
The detection socket insulating protective cover 9 of system detecting device, complete the connection preparation of high-pressure system dependence test.
Then, by high tension loop make-and-break control switch 6, the break-make control of high tension loop is realized.Examined by high tension loop
Socket 8,10,11 is surveyed, realizes voltage, positive pole voltage-to-ground, negative pole voltage-to-ground, shielding between electric vehicle high-voltage system both positive and negative polarity
Grounding function, pre-charge system time, the safety detection of active discharge function and vehicle high-voltage direct current insulaion resistance.Pass through
High-voltage interlocking loop make-and-break control switch 7, realize the safety detection of electric car high-voltage interlocking systemic-function.
It should be noted that electric car of the present utility model can be electric automobile or any other may use high-tension electricity
The electric vehicle in source.
Described above is preferred embodiment of the present utility model, it is noted that for the ordinary skill of the art
For personnel, on the premise of principle described in the utility model is not departed from, some improvements and modifications can also be made, these improvement
The scope of protection of the utility model is also should be regarded as with retouching.
Claims (8)
- A kind of 1. electric vehicle high-voltage system detection means, it is characterised in that include the upper lid and housing for the connection that cooperates, it is described High tension loop make-and-break control switch, high-voltage interlocking loop make-and-break control switch, multiple detection sockets and can are provided with upper lid The detection socket insulating protective cover of the multiple detection socket of activity covering, the side of the housing are provided with input high pressure company Device seat is connect, opposite side is provided with the output end high-tension connector being adapted with the input high-tension connector seat, the output End high-tension connector and the position that the housing is connected are provided with via sheath, the enclosure interior be provided with high-tension fuse with High tension loop connecting line.
- 2. electric vehicle high-voltage system detection means according to claim 1, it is characterised in that the high-tension fuse is set On high-tension fuse firm banking, the high-tension fuse firm banking, which is arranged on, is placed on consolidating on the bottom surface of the housing On fixed board.
- 3. electric vehicle high-voltage system detection means according to claim 2, it is characterised in that the high-tension fuse is fixed Base and the fixed plate are made by insulated non-metal material.
- 4. electric vehicle high-voltage system detection means according to claim 1, it is characterised in that the high tension loop connecting line Including high tension loop negative lead, high tension loop positive lead, high-voltage interlocking loop connecting line and bonding connecting line, The detection socket includes high tension loop negative pole detection socket, high tension loop positive pole detection socket and bonding detection socket.
- 5. electric vehicle high-voltage system detection means according to claim 4, it is characterised in that the high tension loop negative pole connects Wiring includes the first high tension loop negative lead and the second high tension loop negative lead, and the first high tension loop negative pole connects Wiring one end is connected with the input high-tension connector seat, and one end of the other end and the high tension loop make-and-break control switch connects Connect, described second high tension loop negative lead one end is connected with the other end of the high tension loop make-and-break control switch, another End is connected with the output end high-tension connector, and the high tension loop negative pole detection socket passes through connecting line and second high pressure Loop negative lead connection；The high tension loop positive lead include the first high tension loop positive lead, the second high tension loop positive lead and 3rd high tension loop positive lead, described first high tension loop positive lead one end and the input high-tension connector seat Connection, the other end is connected with one end of the high-tension fuse, one end of the second high tension loop positive lead with it is described The other end connection of high-tension fuse, the other end are connected with one end of the high tension loop make-and-break control switch, and the described 3rd is high The other end that road positive lead one end is pushed back with the high tension loop make-and-break control switch is connected, the other end and the output end High-tension connector connects, and the high tension loop positive pole detection socket passes through connecting line and the 3rd high tension loop positive lead Connection；One end of high-voltage interlocking loop connecting line is connected with high-voltage interlocking loop make-and-break control switch, the other end and institute State the connection of output end high-tension connector；Described bonding connecting line one end is connected with the housing, and the other end is connected with the output end high-tension connector, institute Bonding detection socket is stated to be connected with the bonding connecting line by connecting line.
- 6. electric vehicle high-voltage system detection means according to claim 1, it is characterised in that the upper lid and the housing It is attached by screw.
- 7. electric vehicle high-voltage system detection means according to claim 1, it is characterised in that the upper lid and the housing It is made by metal material.
- 8. electric vehicle high-voltage system detection means according to claim 4, it is characterised in that the high tension loop negative pole inspection Survey socket, high tension loop positive pole detection socket and bonding detection socket and be provided with spring locking mechanism.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720477708.5U CN206788268U (en) | 2017-05-03 | 2017-05-03 | A kind of electric vehicle high-voltage system detection means |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720477708.5U CN206788268U (en) | 2017-05-03 | 2017-05-03 | A kind of electric vehicle high-voltage system detection means |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206788268U true CN206788268U (en) | 2017-12-22 |
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ID=60709931
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720477708.5U Active CN206788268U (en) | 2017-05-03 | 2017-05-03 | A kind of electric vehicle high-voltage system detection means |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206788268U (en) |
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2017
- 2017-05-03 CN CN201720477708.5U patent/CN206788268U/en active Active
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