CN114924106A - Insulation resistance voltage testing and measuring wiring device for wading test of electric automobile - Google Patents
Insulation resistance voltage testing and measuring wiring device for wading test of electric automobile Download PDFInfo
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- CN114924106A CN114924106A CN202210442777.8A CN202210442777A CN114924106A CN 114924106 A CN114924106 A CN 114924106A CN 202210442777 A CN202210442777 A CN 202210442777A CN 114924106 A CN114924106 A CN 114924106A
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- 238000012360 testing method Methods 0.000 title claims abstract description 54
- 238000009413 insulation Methods 0.000 title claims abstract description 26
- 238000005259 measurement Methods 0.000 claims abstract description 19
- HEZMWWAKWCSUCB-PHDIDXHHSA-N (3R,4R)-3,4-dihydroxycyclohexa-1,5-diene-1-carboxylic acid Chemical compound O[C@@H]1C=CC(C(O)=O)=C[C@H]1O HEZMWWAKWCSUCB-PHDIDXHHSA-N 0.000 claims abstract description 13
- 229910000838 Al alloy Inorganic materials 0.000 claims description 4
- 241000976416 Isatis tinctoria subsp. canescens Species 0.000 claims description 3
- 239000000956 alloy Substances 0.000 claims description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 3
- 238000000034 method Methods 0.000 abstract description 4
- 230000005611 electricity Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 230000008707 rearrangement Effects 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 229910000679 solder Inorganic materials 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R19/00—Arrangements for measuring currents or voltages or for indicating presence or sign thereof
- G01R19/0084—Arrangements for measuring currents or voltages or for indicating presence or sign thereof measuring voltage only
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M17/00—Testing of vehicles
- G01M17/007—Wheeled or endless-tracked vehicles
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- Testing Of Short-Circuits, Discontinuities, Leakage, Or Incorrect Line Connections (AREA)
Abstract
The invention relates to a measuring and wiring device for testing insulation resistance voltage for an electric automobile wading test, which comprises a high-voltage connecting wire harness, a shell and a contact pin terminal socket, wherein the high-voltage connecting wire harness comprises a wire harness body and 2 plug connectors; the middle part of the wire harness body is provided with 3 leads led out to the contact pin terminal socket; the two connecting plugs are respectively and directly connected to the DCDC port and a high-voltage wiring harness disconnected from the DCDC of the high-voltage distribution box in an inserting mode; the end surfaces of the shell and the end surfaces are arranged at the two ends of the shell; one plug-in connector is connected with the end face of the shell, the middle fixing structure of the wire harness body is fixed with the end face, and the other plug-in connector extends out of the end face. When voltage measurement is needed, the wiring device is connected in series to a high-voltage wiring harness between an electric vehicle high-voltage distribution box and a DCDC, a contact pin of a multimeter can be directly inserted into a corresponding terminal socket to measure voltage, and the device is directly dismantled after the measurement is finished, so that the original vehicle high-voltage wiring harness is recovered; the process of repeatedly disassembling the bolts of the high-voltage distribution box is omitted.
Description
Technical Field
The invention belongs to the technical field of electric automobiles, and particularly relates to a voltage measurement wiring device for testing insulation resistance in an electric automobile wading test.
Background
According to the wading test specification, wading tests have 3 working conditions in total, the insulation resistance of the whole vehicle needs to be measured within 30 minutes before each working condition test, within 30 minutes after the test and within 24 hours after the test, and the total number of the measurements is 9.
Generally, when the insulation resistance voltage is tested, the upper cover of the high-voltage distribution box needs to be disassembled, the periphery of the upper cover is fastened by 24 bolts, so that not only are the disassembling repeated work more, but also the screw thread sliding is easily caused after the bolt cap slides or the moment is too large after the repeated disassembling, so that the upper cover cannot be disassembled, and the test process is influenced. Simultaneously, wade experimental back, there are a large amount of water marks in the cabin, test extremely dangerous under the high-voltage electricity that barely leaks, and owing to open high voltage distribution box upper cover after, high-voltage interlock switch can break off and lead to the unable high-voltage electricity of whole car, need to take the manual interlock switch of closing by force with rolling, has the risk of electric leakage.
In view of the above, how to solve the problems of convenience and safety in the test becomes an urgent need, and therefore, it is urgently needed to develop a wiring device for testing the insulation resistance voltage for the wading test of the electric vehicle.
Disclosure of Invention
The invention aims to provide a measuring and wiring device for testing insulation resistance voltage in an electric vehicle wading test, which aims to solve the problem that voltage measurement can be carried out without repeatedly disassembling a high-voltage distribution box in the electric vehicle wading test.
The purpose of the invention is realized by the following technical scheme:
the utility model provides an electric automobile wades experimental measurement termination with test insulation resistance voltage, includes high voltage connection pencil 1, casing 2 and sets up contact pin terminal socket 3 at casing 2 top.
The high-voltage connecting wire harness 1 comprises a wire harness body and 2 plug connectors; the middle part of the wire harness body is provided with 3 leads led out to the pin terminal socket 3 and can be connected with the pin terminal socket 3;
the 2 plug connectors are positioned at two ends of the wire harness body and are high-voltage wire harness standard part plug connectors, wherein the plug connector I101 can be directly plugged into a DCDC port, and the plug connector II 102 is connected to a high-voltage wire harness disconnected from the DCDC of the high-voltage distribution box; the middle part of the wire harness body is also provided with a fixing structure;
the two ends of the shell 2 are provided with a shell end face 4 and an end face 5; the wiring harness body penetrates through the end face 4 and the end face 5 of the shell, the plug connector II 102 of the wiring harness body is connected with the end face 4 of the shell, the middle fixing structure of the wiring harness body is fixed with the end face 5, and the plug connector I101 extends out of the end face 5.
Furthermore, of the 3 wires, the wire I103, the wire II 104 and the wire III 105 are respectively a positive wire, a negative wire and a ground wire, and stand on the wire harness body.
Further, the shell 2 is of a square tubular structure and is made of aluminum alloy.
Further, the housing 2 has a length of 155mm, a width of 105mm and a height of 55 mm.
Further, the shell 2 is wrapped by an insulating tape.
Further, the case end faces 4 and 5 are fixed to the case 2 by bolts.
Further, the plug II 102 is connected with the end face 4 of the shell through a bolt, and the middle fixing structure of the wiring harness body is fixed with the end face 5 through a bolt.
Furthermore, the end surface 4 and the end surface 5 of the shell are respectively provided with a positioning hole.
Further, the pin terminal socket 3 is a special terminal socket for 3 universal meter pins with 2 mm.
Furthermore, the 3 terminal sockets are respectively a red terminal socket, a green terminal socket and a yellow terminal socket, the red terminal socket is connected with the I103 wire of the high-voltage connecting wire harness 1 and is a positive pole, the green terminal socket is connected with the II 104 wire of the high-voltage connecting wire harness 1 and is a negative pole, and the yellow terminal socket is connected with the III 105 wire of the high-voltage connecting wire harness 1 and is grounded.
Compared with the prior art, the invention has the beneficial effects that:
the measuring and wiring device for testing the voltage of the insulation resistor for the wading test of the electric automobile is simple in structure, when voltage measurement is needed, the wiring device is connected to a high-voltage wiring harness between a high-voltage distribution box and a DCDC of the electric automobile in series, a contact pin of a multimeter can be directly inserted into a corresponding terminal socket to measure the voltage, and the device is directly dismantled after the measurement is finished to recover the original high-voltage wiring harness; the device saves the procedure of repeatedly disassembling the high-voltage distribution box bolt in the original measurement, avoids the danger of disassembling the high-voltage distribution box and increases the convenience of work.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention and therefore should not be considered as limiting the scope, and those skilled in the art can also obtain other related drawings based on the drawings without inventive efforts.
FIG. 1 is a schematic diagram of the overall structure of a measuring and wiring device for testing insulation resistance voltage for an electric vehicle wading test;
FIG. 2 is a schematic view of the housing, pin terminal receptacle, end face of the housing and end face;
FIG. 3 is a schematic view of an internal structure of a measuring wiring device for testing insulation resistance voltage for an electric vehicle wading test.
Fig. 1, high voltage connection harness 2, housing 3, pin terminal socket 4, housing end face 5, end face 101, plug i 102, plug ii 103, lead i 104, lead ii 105, lead iii.
Detailed Description
The invention is further illustrated by the following examples:
as shown in FIG. 1, the invention relates to a measuring and wiring device for testing insulation resistance voltage for an electric vehicle wading test, which comprises a high-voltage connecting wire harness 1, a shell 2 and a contact pin terminal socket 3.
The high-voltage connection wiring harness 1 comprises a wiring harness body and 2 plug connectors.
The middle part of the wire harness body is provided with 3 leads led out to the contact pin terminal socket 3, and the lead I103, the lead II 104 and the lead III 105 are respectively a positive lead, a negative lead and a ground lead and stand on the wire harness body.
The 2 plug connectors are located at two ends of the wiring harness body and are high-voltage wiring harness standard part plug connectors, wherein the plug connector I101 can be directly plugged into a DCDC port, and the plug connector II 102 is connected to a high-voltage wiring harness disconnected from the DCDC in the high-voltage distribution box. The middle part of the wire harness body is also provided with a fixing structure.
And the two ends of the shell 2 are provided with a shell end face 4 and an end face 5, and the shell end face 4 and the end face 5 are fixed with the shell 2 through bolts. The wiring harness body penetrates through the end face 4 and the end face 5 of the shell, the plug connector II 102 of the wiring harness body is connected with the end face 4 of the shell through a bolt, the middle fixing structure of the wiring harness body is fixed with the end face 5 through a bolt, and the plug connector I101 extends out of the end face 5.
Casing terminal surface 4 and terminal surface 5 are gone up and are beaten the locating hole respectively, prevent that inside pencil body from rocking displacement back pencil solder joint position and 2 accidental contacts of casing, cause the electric leakage danger.
The pin terminal socket 3 is a special terminal socket for 3 universal meter pins of 2mm, is arranged at the top of the shell 2 and is respectively a red terminal socket, a green terminal socket and a yellow terminal socket, the red terminal socket is connected with I103 wires of the high-voltage connecting wire harness 1 and is a positive electrode, the green terminal socket is connected with II 104 wires of the high-voltage connecting wire harness 1 and is a negative electrode, and the yellow terminal socket is connected with III 105 wires of the high-voltage connecting wire harness 1 and is grounded.
Electric automobile wades water experimental with measurement termination of test insulation resistance voltage is an overall structure, if want to prevent the electrically conductive risk of 2 accidents of casing, during actual operation available insulating tape parcel can to metal casing.
Example 1
The utility model provides a measuring termination of test insulation resistance voltage for electric automobile wading test, includes high voltage connection pencil 1, casing 2 and contact pin terminal socket 3.
The high-voltage connection wiring harness 1 comprises a wiring harness body and 2 plug connectors. The middle part of the wire harness body is provided with 3 leads led out to the pin terminal socket 3, and the lead I103, the lead II 104 and the lead III 105 are respectively a positive lead, a negative lead and a ground lead and stand on the wire harness body. The 2 connecting plugs are positioned at two ends of the wiring harness body and are high-voltage wiring harness standard part connecting plugs, wherein the connecting plug I101 can be directly connected to a DCDC port in an inserting mode, and the connecting plug II 102 is connected to a high-voltage wiring harness disconnected from the DCDC in the high-voltage distribution box. The middle part of the wire harness body is also provided with a fixing structure.
The shell 2 is of a square tubular structure and made of aluminum alloy materials, and the shell 2 is wrapped by an insulating tape. The length of the shell 2 is 155mm, the width is 105mm, the height is 55mm, the shell end face 4 and the end face 5 are arranged at two ends, and the shell end face 4 and the end face 5 are fixed with the shell 2 through bolts. The wiring harness body penetrates through the end face 4 and the end face 5 of the shell, the plug-in connector II 102 is connected with the end face 4 of the shell through a bolt, the middle fixing structure of the wiring harness body is fixed with the end face 5 through a bolt, and the plug-in connector I101 extends out of the end face 5. And positioning holes are respectively punched on the end surface 4 and the end surface 5 of the shell.
When voltage measurement is needed in a test, the high-voltage distribution box does not need to be disassembled, and the plug II 102 is connected to a high-voltage wire harness between the high-voltage distribution box and the DCDC of the electric automobile, so that the measuring wiring device for testing the voltage of the insulation resistor for the wading test of the electric automobile is connected with the high-voltage wire harness in series. Can directly insert the contact pin of universal meter can measure voltage in corresponding terminal socket after the start-up vehicle, directly demolish the device after the measurement is accomplished, resume former car high voltage pencil can. The device saves the procedure of repeatedly disassembling the bolt of the high-voltage distribution box in the original measurement, avoids the danger of disassembling the high-voltage distribution box, increases the convenience of work, is the same as the expected assumption, and achieves the aim of inventing the device.
It is to be noted that the foregoing is only illustrative of the preferred embodiments of the present invention and the technical principles employed. Those skilled in the art will appreciate that the present invention is not limited to the particular embodiments described herein, and that various obvious changes, rearrangements and substitutions will now be apparent to those skilled in the art without departing from the scope of the invention. Therefore, although the present invention has been described in greater detail by the above embodiments, the present invention is not limited to the above embodiments, and may include other equivalent embodiments without departing from the spirit of the present invention, and the scope of the present invention is determined by the scope of the appended claims.
Claims (10)
1. The utility model provides an electric automobile wades water experimental measurement termination with test insulation resistance voltage which characterized in that: the high-voltage connector comprises a high-voltage connecting wire harness (1), a shell (2) and a pin terminal socket (3) arranged at the top of the shell (2).
The high-voltage connecting wire harness (1) comprises a wire harness body and 2 plug connectors; the middle part of the wire harness body is provided with 3 leads led out to the pin terminal socket (3) and can be connected with the pin terminal socket (3);
the 2 plug connectors are positioned at two ends of the wiring harness body and are high-voltage wiring harness standard part plug connectors, wherein the plug connector I (101) can be directly plugged into a DCDC port, and the plug connector II (102) is connected to a high-voltage wiring harness disconnected from the DCDC of the high-voltage distribution box; the middle part of the wire harness body is also provided with a fixing structure;
the two ends of the shell (2) are provided with a shell end face (4) and an end face (5); the wiring harness body penetrates through the end face (4) and the end face (5) of the shell, the plug connector II (102) of the wiring harness body is connected with the end face (4) of the shell, the middle fixing structure of the wiring harness body is fixed with the end face (5), and the plug connector I (101) extends out of the end face (5).
2. The electric automobile wading test is with measuring termination of test insulation resistance voltage of claim 1 characterized in that: of the 3 wires, a wire I (103), a wire II (104) and a wire III (105) are respectively a positive wire, a negative wire and a ground wire and stand on the wire harness body.
3. The electric automobile wading test is with measurement termination of test insulation resistance voltage of claim 1 characterized in that: the shell (2) is of a square tubular structure and is made of aluminum alloy materials.
4. The electric automobile wading test is with measuring termination of test insulation resistance voltage of claim 3 characterized in that: the length of the shell (2) is 155mm, the width is 105mm, and the height is 55 mm.
5. The electric automobile wading test is with measuring termination of test insulation resistance voltage of claim 1 characterized in that: the shell (2) is wrapped by an insulating tape.
6. The electric automobile wading test is with measuring termination of test insulation resistance voltage of claim 1 characterized in that: the end face (4) and the end face (5) of the shell are fixed with the shell (2) through bolts.
7. The electric automobile wading test is with measurement termination of test insulation resistance voltage of claim 1 characterized in that: the plug connector II (102) is connected with the end face (4) of the shell through a bolt, and the middle fixing structure of the wiring harness body is fixed with the end face (5) through a bolt.
8. The electric automobile wading test is with measurement termination of test insulation resistance voltage of claim 1 characterized in that: and positioning holes are respectively punched on the end face (4) and the end face (5) of the shell.
9. The electric automobile wading test is with measurement termination of test insulation resistance voltage of claim 1 characterized in that: the pin terminal socket (3) is a special terminal socket for 3 universal meter pins with the diameter of 2 mm.
10. The electric vehicle wading test insulation resistance voltage measurement wiring device according to claim 9, characterized in that: the 3 terminal sockets are respectively a red terminal socket, a green terminal socket and a yellow terminal socket, the red terminal socket is connected with a lead I (103) of the high-voltage connecting harness (1) and is a positive pole, the green terminal socket is connected with a lead II (104) of the high-voltage connecting harness (1) and is a negative pole, and the yellow terminal socket is connected with a lead III (105) of the high-voltage connecting harness (1) and is grounded.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210442777.8A CN114924106A (en) | 2022-04-25 | 2022-04-25 | Insulation resistance voltage testing and measuring wiring device for wading test of electric automobile |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210442777.8A CN114924106A (en) | 2022-04-25 | 2022-04-25 | Insulation resistance voltage testing and measuring wiring device for wading test of electric automobile |
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| Publication Number | Publication Date |
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| CN114924106A true CN114924106A (en) | 2022-08-19 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210442777.8A Pending CN114924106A (en) | 2022-04-25 | 2022-04-25 | Insulation resistance voltage testing and measuring wiring device for wading test of electric automobile |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115980410A (en) * | 2023-03-20 | 2023-04-18 | 三钧线缆(无锡)有限公司 | Make things convenient for energy storage pencil resistance test device |
-
2022
- 2022-04-25 CN CN202210442777.8A patent/CN114924106A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115980410A (en) * | 2023-03-20 | 2023-04-18 | 三钧线缆(无锡)有限公司 | Make things convenient for energy storage pencil resistance test device |
| CN115980410B (en) * | 2023-03-20 | 2023-12-05 | 三钧线缆(无锡)有限公司 | Device for conveniently testing resistance of energy storage wire harness |
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| PB01 | Publication | ||
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| CB02 | Change of applicant information |
Country or region after: China Address after: 130012 no.4888, Yushan Road, Changchun high tech Development Zone, Jilin Province Applicant after: FAW Besturn Automotive Co.,Ltd. Address before: 130000 No. 4888, Weishan Road, high tech Development Zone, Changchun City, Jilin Province Applicant before: FAW Pentium Car Co.,Ltd. Country or region before: China |
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| CB02 | Change of applicant information |