CN205317856U - Novel electric automobile bump test insulation resistance measures box - Google Patents
Novel electric automobile bump test insulation resistance measures box Download PDFInfo
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- CN205317856U CN205317856U CN201520872048.1U CN201520872048U CN205317856U CN 205317856 U CN205317856 U CN 205317856U CN 201520872048 U CN201520872048 U CN 201520872048U CN 205317856 U CN205317856 U CN 205317856U
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- switch
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- 238000009413 insulation Methods 0.000 title claims abstract description 36
- 238000005259 measurement Methods 0.000 claims abstract description 48
- 238000009863 impact test Methods 0.000 claims description 10
- 238000010586 diagram Methods 0.000 description 3
- 230000001105 regulatory effect Effects 0.000 description 3
- 230000005611 electricity Effects 0.000 description 2
- 230000007935 neutral effect Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 1
- 238000004146 energy storage Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000295 fuel oil Substances 0.000 description 1
- 238000000691 measurement method Methods 0.000 description 1
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- Measurement Of Resistance Or Impedance (AREA)
Abstract
The utility model relates to an insulation resistance measuring device, more specifically relate to a novel electric automobile bump test insulation resistance measures box. This insulation resistance measures the box and includes: box body, mistake line hole, voltage measurement terminal, folk art term switch, resistance, electric wire. Cross line hole trompil in box body upper cover, voltage measurement terminal, folk art term switch are through fixing in the trompil of box body upper cover. Resistance is fixed in box body upper cover lower surface through pasting. After connecting, two switches form a combination switch. Resistance I (A), resistance II (B) connect respectively in 6 both ends pins on the switch and voltage measurement terminal 7. The utility model discloses insulation resistance measures the box and has realized switch combined action, and the circuit is very simple. It has two kinds of access resistance optional to measure the box, is applicable to the electric automobile that operating voltage is different. It is lighter to measure the box quality, and anti -impact is better, and is not fragile in the experimentation, can accomplish the measurement to vehicle insulation resistance under the circumstances of human contactless automobile body.
Description
Technical field
This utility model relates to a kind of novel insulation resistance measuring device, more particularly relates to a kind of novel electric vehicle impact test insulation measurement box.
Background technology
Regulation according to China electric automobile standard GB/T18384-2015 " electric automobile safety requirements part 1: vehicle-mounted chargeable energy-storage system (REESS) " and GB/T31498-2015 " after electric automobile collision safety requirements ", maximum working voltage is the measurement requirement that the electric automobile of B step voltage all has insulation resistance when carrying out front, side collision test except the safety requirements with conventional fuel oil car.
Insulation measurement method is as follows: measure the voltage between two terminals of REESS and vehicle electrical platform. Higher one is defined as U1, relatively low one is defined as U1', corresponding two insulation resistances are defined as Ri1And Ri2=Ri(Ri2It is that in two insulation resistances, resistance is less, is therefore defined as REESS insulation resistance Ri); Add a known resistance R0With Ri1Parallel connection, measures U2And U2'. By R0With three voltage U1、U1' and U2Bring equation below into, calculate insulation resistance Ri(RiTake Ri1With Ri2In smaller),
。
Bear safe voltage scope owing to electric automobile voltage exceedes people's physical ability, owing to the changes such as body structure are likely to cause electric leakage after impact test, be made directly measurement abnormally dangerous. Current existing insulation measurement box internal circuit is complex, and structure is relatively complicated.
Utility model content
For the problems referred to above, the utility model proposes a kind of New insulated resistance measurement box carrying out insulation measurement when not contacting vehicle body.
Novel electric vehicle insulation measurement box described in the utility model, including:
Box body, rectangle box body becomes flat, and height can hold double gear switch.
Cable-through hole, hole 1 is used for by lead-in wire connecting electric automobile power battery anode, and hole 2 is used for by the connecting electric automobile power battery cathode that goes between, and it is electricity chassis that hole 8 is used for being tightened up a screw by the connecting electric automobile vehicle body that goes between.
Voltage measurement terminal, measurement terminal 3,4,7 corresponding cable-through hole 1,2,8 respectively is used for measuring relevant voltage terminal voltage.
Double gear switch, switchs the pin 5.2,5.4,5.5,5.6 of 5 and is attached according to mode wire as shown in Figure 2 with the pin 6.2,6.4,6.5,6.6 switching 6. Form a cubicle switch 9.
Resistance, for the running voltage that electric automobile is conventional, selects the resistance I (A) and resistance II (B) of two kinds of different ranges.
Three wires, electric wire, for drawing each terminals from insulation measurement box is internal, is defined as electric wire 11,12,13.
Described cable-through hole perforate is in box body upper cover, and voltage measurement terminal, double gear switch are by being fixed in box body upper cover perforate, and resistance is fixed on box body upper cover lower surface by stickup.
Described electric wire 11 is connected to switch 5 pins 5.1 and guides to box portion outside through over-voltage measurement terminal 3 from cable-through hole 1. Described electric wire 12 is connected to switch 5 pins 5.3 and guides to box portion outside through over-voltage measurement terminal 4 from cable-through hole 2. Described electric wire 13 guides to box portion outside through over-voltage measurement terminal 7 from cable-through hole 8.
Described resistance I (A) is connected to switch 6 pin 6.3 and voltage measurement terminal 7. Resistance II (B) is connected to switch 6 pin 6.1 and voltage measurement terminal 7.
It is attached by circuit diagram shown in Fig. 3 between the described each parts of insulation measurement box. Switch 5 control the connect electric automobile positive pole of insulation measurement box or negative pole, switch 6 control is outside accesses resistance I (A) or resistance II (B).
Described measuring box is made up of insulant.
Bottom described measuring box upper cover, connection is reinforced by insulant after completing.
Utilize this New insulated resistance measurement box measure insulation resistance workflow be: before impact test, disconnect vehicle power supply, by two switch be placed in neutral gear position; By three wires and electric automobile power battery positive pole, negative pole, vehicle body conductive component is corresponding connects, and is fixed on and is affected less vehicle body position by impact test; By regulating switch 5, utilize voltage measurement terminal 3,4,7 to measure anode, negative pole to the voltage between vehicle body (electricity chassis, i.e. ground connection), take absolute value, compare two voltage swings. According to electric automobile rated voltage by switching 6 selection resistance I (A) or resistance II (B), switch 5 is allocated to one end that voltage is higher, reads data, and calculate insulating resistance value.
After impact test, according to the insulation resistance of identical workflow management collision rift. Complete insulation measurement work.
Described measuring box achieves switch combination effect, and circuit is very simple.
Described measuring box has two kinds of access resistance optional, it is adaptable to the electric automobile that running voltage is different.
Described measuring box lighter weight, is hardly damaged in the better experimentation of resistance to impact, it is possible to complete the measurement to vehicle insulation resistance when human body does not contact vehicle body after insulant is fixing.
Accompanying drawing explanation
The accompanying drawing constituting the part of the present invention is used for providing a further understanding of the present invention, and the schematic description and description of the present invention is used for explaining the present invention, is not intended that inappropriate limitation of the present invention. In the accompanying drawings:
Fig. 1 is the perspective view of electric automobile collision described in the utility model test insulation measurement box.
Fig. 2 is the cubicle switch schematic diagram of electric automobile collision described in the utility model test insulation measurement box.
Fig. 3 is the circuit diagram of electric automobile collision described in the utility model test insulation measurement box.
Accompanying drawing identifies: 1-cable-through hole, 2-cable-through hole, 3-voltage measurement terminal, 4-voltage measurement terminal, 5-switchs, 5.1-switch pin, 5.2-switch pin, 5.3-switch pin, 5.4-switch pin, 5.5-switch pin, 5.6-switch pin, 6-switchs, 6.1-switch pin, 6.2-switch pin, 6.3-switch pin, 6.4-switch pin, 6.5-switch pin, 6.6-switch pin, 7-voltage measurement terminal, 8-cable-through hole, 9-cubicle switch, 10-box body, 11-electric wire, 12-electric wire, 13-electric wire, A-resistance I, B-resistance II.
Detailed description of the invention
In conjunction with accompanying drawing, this utility model is described further, to make those skilled in the art can implement according to this with reference to description word.
Utilize this New insulated resistance measurement box measure insulation resistance workflow be: before impact test, disconnect vehicle power supply, by two switch be placed in neutral gear position; By three wires and electric automobile power battery positive pole, negative pole, vehicle body conductive component is corresponding connects, and is fixed on and is affected less vehicle body position by impact test; Regulate switch 5, choose REESS positive pole, measure the voltage between REESS positive pole and vehicle body by voltage measurement terminal 3,7; Regulating switch 5, choose REESS negative pole, measure the voltage between REESS negative pole and vehicle body by voltage measurement terminal 4,7, two voltages all take absolute value, and compare its size, and higher one is defined as U1, relatively low one is defined as U1'; According to electric automobile rated voltage by switching 6 selection resistance I (A) or resistance II (B). Regulate switch 5, choose REESS positive pole, measure the voltage between REESS positive pole and vehicle body by voltage measurement terminal 3,7; Regulating switch 5, choose REESS negative pole, measure the voltage between REESS negative pole and vehicle body by voltage measurement terminal 4,7, two voltages all take absolute value, and read and high voltage end U1Corresponding U2, low-voltage end U1The U of ' correspondence2', and calculate insulating resistance value.
After impact test, according to the insulation resistance of identical workflow management collision rift. Complete insulation measurement work.
Above content is the further description present invention done in conjunction with optimal technical scheme, it is impossible to what identification was invented is embodied as being only limitted to these explanations. For general technical staff of the technical field of the invention, under the premise without departing from the design of the present invention, it is also possible to make simple deduction and replacement, all should be considered as protection scope of the present invention.
Claims (4)
1. a novel electric vehicle impact test insulation measurement box, it is characterised in that insulation measurement box includes: box body, cable-through hole, voltage measurement terminal, double gear switch, resistance, electric wire; Described cable-through hole (1,2,8) perforate is in box body (10) upper cover, and voltage measurement terminal (3,4,7) is fixed on box body upper cover with switch (5,6); Described switch (5,6) forms a novel combination switch (9) after being attached; Described resistance I (A), resistance II (B) are fixed on box body upper cover lower surface by stickup, and described resistance I (A) is connected to switch pin (6.1) and the voltage measurement terminal (7) of switch (6); Described resistance II (B) is connected to switch pin (6.3) and the voltage measurement terminal (7) of switch (6); It is outside that described electric wire (11,12,13) guides to box body (10) from cable-through hole (1,2,8).
2. insulation measurement box as claimed in claim 1, described switch (5,6) is attached with wire, form a cubicle switch (9), switch (5) controls electric automobile REESS both positive and negative polarity, needs the resistance accessed in switch (6) control circuit.
3. insulation measurement box as claimed in claim 1, described resistance, for the running voltage that electric automobile is conventional, there are the resistance I (A) and resistance II (B) of two kinds of different resistances optional.
4. insulation measurement box as claimed in claim 1, bottom described measuring box upper cover, connection is reinforced by insulant after completing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520872048.1U CN205317856U (en) | 2015-10-30 | 2015-10-30 | Novel electric automobile bump test insulation resistance measures box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520872048.1U CN205317856U (en) | 2015-10-30 | 2015-10-30 | Novel electric automobile bump test insulation resistance measures box |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205317856U true CN205317856U (en) | 2016-06-15 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520872048.1U Expired - Fee Related CN205317856U (en) | 2015-10-30 | 2015-10-30 | Novel electric automobile bump test insulation resistance measures box |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205317856U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105911356A (en) * | 2016-06-24 | 2016-08-31 | 中车唐山机车车辆有限公司 | Device for testing insulation resistance of main transformer |
| CN108089056A (en) * | 2017-12-12 | 2018-05-29 | 中国汽车技术研究中心 | A kind of insulating test set and method of whole electric vehicle B grades of closed circuits |
-
2015
- 2015-10-30 CN CN201520872048.1U patent/CN205317856U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105911356A (en) * | 2016-06-24 | 2016-08-31 | 中车唐山机车车辆有限公司 | Device for testing insulation resistance of main transformer |
| CN108089056A (en) * | 2017-12-12 | 2018-05-29 | 中国汽车技术研究中心 | A kind of insulating test set and method of whole electric vehicle B grades of closed circuits |
| CN108089056B (en) * | 2017-12-12 | 2024-02-13 | 中国汽车技术研究中心 | Insulation test equipment and method for whole-vehicle B-stage closed loop of electric vehicle |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address |
Address after: 315226 727 Binhai Second Road, Hangzhou Bay New Area, Ningbo, Zhejiang Province Patentee after: China Auto Research Automobile Inspection Center (Ningbo) Co.,Ltd. Address before: 315336 727 Binhai Second Road, Hangzhou Bay New Area, Ningbo City, Zhejiang Province Patentee before: CATARC AUTOMOTIVE QUALITY INSPECTION CENTER (NINGBO) CO.,LTD. |
|
| CP03 | Change of name, title or address | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160615 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |