CN111555052B - High-voltage wire harness leading-out device for testing electric automobile - Google Patents
High-voltage wire harness leading-out device for testing electric automobile Download PDFInfo
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- CN111555052B CN111555052B CN202010263668.0A CN202010263668A CN111555052B CN 111555052 B CN111555052 B CN 111555052B CN 202010263668 A CN202010263668 A CN 202010263668A CN 111555052 B CN111555052 B CN 111555052B
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- 238000012360 testing method Methods 0.000 title claims abstract description 13
- 238000007789 sealing Methods 0.000 claims abstract description 17
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 30
- 229910052802 copper Inorganic materials 0.000 claims description 30
- 239000010949 copper Substances 0.000 claims description 30
- 229910052751 metal Inorganic materials 0.000 claims description 26
- 239000002184 metal Substances 0.000 claims description 26
- 238000005452 bending Methods 0.000 abstract description 2
- 230000000694 effects Effects 0.000 abstract description 2
- 238000002955 isolation Methods 0.000 abstract description 2
- 239000004020 conductor Substances 0.000 description 5
- CWYNVVGOOAEACU-UHFFFAOYSA-N Fe2+ Chemical group [Fe+2] CWYNVVGOOAEACU-UHFFFAOYSA-N 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 238000009413 insulation Methods 0.000 description 2
- 230000000274 adsorptive effect Effects 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 210000000080 chela (arthropods) Anatomy 0.000 description 1
- 238000013480 data collection Methods 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
- 238000010415 tidying Methods 0.000 description 1
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Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R9/00—Structural associations of a plurality of mutually-insulated electrical connecting elements, e.g. terminal strips or terminal blocks; Terminals or binding posts mounted upon a base or in a case; Bases therefor
- H01R9/22—Bases, e.g. strip, block, panel
- H01R9/24—Terminal blocks
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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
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/46—Bases; Cases
- H01R13/502—Bases; Cases composed of different pieces
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/46—Bases; Cases
- H01R13/502—Bases; Cases composed of different pieces
- H01R13/512—Bases; Cases composed of different pieces assembled by screw or screws
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/46—Bases; Cases
- H01R13/52—Dustproof, splashproof, drip-proof, waterproof, or flameproof cases
- H01R13/5202—Sealing means between parts of housing or between housing part and a wall, e.g. sealing rings
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/73—Means for mounting coupling parts to apparatus or structures, e.g. to a wall
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R9/00—Structural associations of a plurality of mutually-insulated electrical connecting elements, e.g. terminal strips or terminal blocks; Terminals or binding posts mounted upon a base or in a case; Bases therefor
- H01R9/16—Fastening of connecting parts to base or case; Insulating connecting parts from base or case
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R9/00—Structural associations of a plurality of mutually-insulated electrical connecting elements, e.g. terminal strips or terminal blocks; Terminals or binding posts mounted upon a base or in a case; Bases therefor
- H01R9/22—Bases, e.g. strip, block, panel
- H01R9/24—Terminal blocks
- H01R9/2416—Means for guiding or retaining wires or cables connected to terminal blocks
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Cable Accessories (AREA)
Abstract
The invention discloses a high-voltage wire harness leading-out device for testing an electric automobile, which belongs to the technical field of electric automobile testing devices and mainly comprises: the device comprises an upper base shell, a lower base upper shell and a lower base lower shell, wherein the lower base can be fixed on the surfaces of parts of a front cabin or a cab through a permanent magnet or a sucker, the upper base is connected with the lower base through a screw, and a joint surface of the upper base and the lower base is provided with a sealing strip to ensure that the waterproof performance of the upper base and the lower base after the screw is fastened reaches IP 54; the trend of the high-voltage wire harness is not changed, and the influence on the quality and the effect of the wire harness caused by the excessively small bending radius of the wire harness is avoided; the three-phase wire harness/the positive and negative wire harnesses are separated, the end voltage isolation of the wire harnesses is not mutually interfered, and the wire harness end is effectively fixed by the screw in the terminal.
Description
Technical Field
The invention belongs to the technical field of electric automobile testing devices.
Background
When carrying out some tests, electric automobile need gather the voltage and the electric current of each high-voltage wire harness in real time, and voltage acquisition is direct to be connected acquisition terminal and high-voltage wire harness, and current acquisition uses the electric current snap ring pincers outside the single-phase pencil of no shielded wire, has brought following shortcoming from this:
1) the problem of voltage acquisition: in an electric automobile, because a high-voltage system is designed to be in a closed state, a voltage acquisition terminal is usually inserted into a distribution box in the conventional acquisition method, and a distribution box cover cannot be sealed due to a lead of the voltage acquisition terminal; most distribution boxes have low-voltage interlocking fuses, so that a high-voltage system in an unsealed state is powered off;
2) the current collection problem is as follows: on an electric automobile, a positive wire harness, a negative wire harness and a three-phase wire harness are generally integrated in a hoop wire harness, an electromagnetic shielding layer wraps the outer side of the hoop wire harness, and when current is collected, an outer insulation layer and the electromagnetic shielding layer need to be stripped, so that the original automobile electromagnetic shielding is damaged, and the wire harness with the damaged insulation layer and the damaged shielding layer influences the driving safety;
3) harness tidying problem: when the vehicle runs on a bumpy road surface, the wiring harness is subjected to multi-directional tension of collecting equipment and the like, and voltage collection is easy to expose short circuit when the vehicle runs on a wet road surface, a dusty road surface or a rainy weather, so that high-voltage safety of the whole vehicle is influenced, and data collection is inaccurate.
Disclosure of Invention
The invention aims to solve the problems and provides a high-voltage wire harness leading-out device for testing an electric automobile, which mainly comprises: the device comprises an upper base shell 1, a lower base upper shell 2 and a lower base lower shell 3, wherein the upper base shell 1, the lower base upper shell 2 and the lower base lower shell 3 are fixedly connected through screws;
the upper surface of the upper base shell 1 is provided with three convex annular metal rings which are respectively used for connecting a U-phase current clamp, a V-phase current clamp and a W-phase current clamp; two semicircular holes are symmetrically arranged at the edge of the upper base shell 1, and the semicircular holes arranged at the corresponding positions of the lower base shell 2 can be spliced into two wiring harness inlets and outlets (a wiring harness inlet and outlet I4 and a wiring harness inlet and outlet II 5); two wire harness inlet and outlet openings on the lower surface of the upper base shell 1 are respectively provided with a wire harness fixing seat, the two wire harness fixing seats are respectively provided with a W-phase wire harness terminal, a V-phase wire harness terminal and a U-phase wire harness terminal which are made of pure copper, and the two wire harness terminals in the same phase are connected to the bottom of a protruding annular metal ring through a conducting wire;
the upper surface of the lower base upper shell 2 is provided with a groove with corresponding size at the position corresponding to the wire harness fixing seat, three pure copper metal sheets are arranged at the positions corresponding to the W-phase wire harness terminal, the V-phase wire harness terminal and the U-phase wire harness terminal on the wire harness fixing seat in the groove, the three pure copper metal sheets are connected with the W-phase wire harness terminal, the V-phase wire harness terminal and the U-phase wire harness terminal through metal springs, and the three pure copper metal sheets are respectively used for fixing the U-phase voltage acquisition terminal, the V-phase voltage acquisition terminal and the W-phase voltage acquisition terminal; the edge of the groove in the lower base upper shell 2 is provided with a semicircular hole, and the semicircular hole arranged on the lower base lower shell 3 are spliced to form a voltage acquisition wire harness inlet 6.
Preferably, the three protruding annular metal rings are uniformly arranged along the diagonal of the upper base shell 1, and the wire harness inlet and outlet I4 and the wire harness inlet and outlet II 5 are arranged along the other diagonal.
The lower base upper shell 2 is also provided with a lower base permanent magnet 7 or a sucker for the adsorption and fixation of the device. The wiring harness inlet and outlet I4, the wiring harness inlet and outlet II 5 and the voltage acquisition wiring harness inlet 6 are sealed through sealing rings, the upper base shell 1 and the lower base upper shell 2 are sealed through upper and lower base sealing strips 8, and the lower base upper shell 2 and the lower base lower shell 3 are sealed through lower base upper and lower shell sealing strips 9.
Specifically, three pure copper sheetmetals pass lower base and arrange, all have the part of exposing on lower base upper and lower two sides, wherein lower base upper surface one side is furnished with pure copper spring, and the pure copper terminal in this pure copper spring and the last base contacts after upper and lower base screw fastening, and lower base lower surface one side is furnished with the screw hole for voltage acquisition terminal's is fixed.
The invention has the beneficial effects that:
the lower base can be fixed on the surface of a part of a front cabin or a cab through a permanent magnet or a sucker, the permanent magnet has the advantage that the lower base can be fastened on the surface of a ferrous part (such as a metal part of a motor and the like) through magnetic force, and the sucker has the advantage that the lower base can be fastened on a non-ferrous smooth surface (such as PVC and aluminum parts) through pressure;
the upper base and the lower base are connected through screws, and the joint surface of the upper base and the lower base is provided with the sealing strip, so that the waterproof performance of the upper base and the lower base after the screws are fastened can reach IP54, and the device has the advantage of ensuring that a vehicle can be normally used in the wet, dusty or rainfall condition after the device is installed;
the connecting part of the upper base and the lower base is provided with a wire harness inlet and outlet which are used for the inlet and outlet connection of the vehicle-mounted high-voltage wire harness, and the wire harness connecting device has the advantages that the trend of the high-voltage wire harness is not changed, and the phenomenon that the bending radius of the wire harness is too small to influence the quality and the effect of the wire harness is avoided;
the upper base is internally provided with a device for connecting each terminal of the wire harness at a position close to the wire harness inlet and outlet, so that a high-voltage wire harness can be effectively separated and connected with the terminal after entering the device, and the device has the advantages that the three-phase wire harness/positive and negative wire harnesses are separated, the isolation of the wire harness terminal voltage is not mutually interfered, and the wire harness end is effectively fixed by a screw in the terminal;
the upper part of the upper base is provided with a convex annular design, and the interior of the annular is provided with a pure copper conductor leading from the inlet terminal to the outlet terminal, so that the electromagnetic shielding is avoided around the pure copper conductor, and the current clamp of the acquisition equipment can induce single-phase real current when being arranged outside the annular design;
the lower part of the lower base is provided with a detachable shell, the shell aims to mount the voltage acquisition terminal after being detached, and the shell is internally provided with a terminal led out from an inlet terminal and an outlet terminal in a contact manner.
Drawings
Figure 1 is a view of the whole of the device,
FIG. 2 is an overall view of the upper base;
FIG. 3 is a bottom view of the upper base;
FIG. 4 is a partial view of a pure copper conductor terminal;
FIG. 5 is an overall view of the lower base;
FIG. 6 is a bottom view of the lower base lower housing;
FIG. 7 is a top view of the lower housing of the lower base;
FIG. 8 is a bottom view of the upper housing of the lower base;
figure 9 is a partial perspective view of the pure copper spring of the lower base in contact with the pure copper conductor of the upper base after the screw tightening of the upper and lower bases,
in the figure, 1 is an upper base shell, 2 is a lower base upper shell, 3 is a lower base lower shell, 4 is an upper base wire harness inlet and outlet sealing ring, 5 is a lower base wire harness inlet and outlet sealing ring, 6 is a lower base wire harness inlet sealing ring, 7 is a lower base permanent magnet, 8 is an upper base sealing strip and a lower base sealing strip, 9 is an upper base upper shell and lower shell sealing strip, 1.0 is a protruding annular metal ring, 1.1, 1.2 and 1.3 are three pure copper conductors with assembly terminals, and 2.1, 2.2 and 2.3 are three pure copper metal sheets respectively.
Detailed Description
As shown in fig. 1, the high-voltage wire harness leading-out device for testing an electric vehicle in the invention mainly comprises: the device comprises an upper base shell 1, a lower base upper shell 2 and a lower base lower shell 3, wherein the upper base shell 1, the lower base upper shell 2 and the lower base lower shell 3 are fixedly connected through screws;
the upper surface of the upper base shell 1 is provided with three convex annular metal rings which are respectively used for connecting a U-phase current clamp, a V-phase current clamp and a W-phase current clamp; two semicircular holes are symmetrically arranged at the edge of the upper base shell 1, and the semicircular holes arranged at the corresponding positions of the lower base shell 2 can be spliced into two wiring harness inlets and outlets (a wiring harness inlet and outlet I4 and a wiring harness inlet and outlet II 5); two wire harness inlet and outlet openings on the lower surface of the upper base shell 1 are respectively provided with a wire harness fixing seat, the two wire harness fixing seats are respectively provided with a W-phase wire harness terminal, a V-phase wire harness terminal and a U-phase wire harness terminal which are made of pure copper, and the two wire harness terminals in the same phase are connected to the bottom of a protruding annular metal ring through a conducting wire;
the upper surface of the lower base upper shell 2 is provided with a groove with corresponding size at the position corresponding to the wire harness fixing seat, three pure copper metal sheets are arranged at the positions corresponding to the W-phase wire harness terminal, the V-phase wire harness terminal and the U-phase wire harness terminal on the wire harness fixing seat in the groove, the three pure copper metal sheets are connected with the W-phase wire harness terminal, the V-phase wire harness terminal and the U-phase wire harness terminal through metal springs, and the three pure copper metal sheets are respectively used for fixing the U-phase voltage acquisition terminal, the V-phase voltage acquisition terminal and the W-phase voltage acquisition terminal; the edge of the groove in the lower base upper shell 2 is provided with a semicircular hole, and the semicircular hole arranged on the lower base lower shell 3 are spliced to form a voltage acquisition wire harness inlet 6.
The lower base upper housing 2 is also provided with a lower base permanent magnet 7 for adsorptive fixation of the device. The wiring harness inlet and outlet I4, the wiring harness inlet and outlet II 5 and the voltage acquisition wiring harness inlet 6 are sealed through sealing rings, the upper base shell 1 and the lower base upper shell 2 are sealed through upper and lower base sealing strips 8, and the lower base upper shell 2 and the lower base lower shell 3 are sealed through lower base upper and lower shell sealing strips 9.
When the device is used, a vehicle-mounted high-voltage wiring harness can be accessed from an inlet where a wiring harness inlet and outlet I4 is located, and can be led out from an outlet where a wiring harness inlet and outlet II 5 is located (or vice versa), the vehicle-mounted high-voltage wiring harness is respectively connected to three terminals after being accessed from an inlet where the wiring harness inlet and outlet I4 (or the wiring harness inlet and outlet II 5) is located, holes facilitating electric wire insertion are formed in the side faces of the terminals, and after the electric wires are inserted, screws are screwed on the terminals to fix; the outgoing wire harness is fixed in the same manner.
The voltage terminal of the collecting device is led in from the inlet of the voltage collecting wire harness inlet 6, as shown in fig. 9, three pure copper metal sheets (2.1, 2.2 and 2.3) penetrate through the lower base to be arranged, exposed parts are arranged on the upper surface and the lower surface of the lower base, one side of the upper surface of the lower base is provided with a pure copper spring, the pure copper spring is in contact with the pure copper terminal in the upper base after the pure copper terminal is fastened by the upper base and the lower base through screws, one side of the lower surface of the lower base is provided with a threaded hole, the voltage terminal of the collecting device is screwed by screws after being bonded, and the upper shell 3 of the lower base and the lower shell 4 of the lower base are fixed.
The current clamp of the collecting device is clamped on the three convex annular metal rings respectively, and the device is fixed on a vehicle through the lower base permanent magnet 7 after the whole arrangement is completed.
The device is led out through the wiring harness, the voltage acquisition terminal and the current clamp are arranged in the device and on the upper part of the device, the normal use of the whole vehicle is not influenced, the high-voltage wiring harness is guided through the inlet and the outlet of the device, any wiring harness joint, branch and the like are not arranged outside the device, the related wiring harness is effectively fixed, the original appearance, the original movement allowance and the original protection grade can be kept in the engine room, and the problems brought by the prior art are avoided.
Claims (5)
1. The utility model provides a be used for electric automobile test high pressure pencil eduction gear which characterized in that, the device mainly includes: the device comprises an upper base shell (1), a lower base upper shell (2) and a lower base lower shell (3), wherein the upper base shell (1), the lower base upper shell (2) and the lower base lower shell (3) are fixedly connected through screws;
the upper surface of the upper base shell (1) is provided with three protruding annular metal rings which are respectively used for connecting U-phase, V-phase and W-phase current pliers; two semicircular holes are symmetrically arranged at the edge of the upper base shell (1), and can be spliced with semicircular holes arranged at the corresponding position of the lower base upper shell (2) to form two wiring harness inlets and outlets, namely a wiring harness inlet and outlet I (4) and a wiring harness inlet and outlet II (5); two wire harness inlet and outlet openings on the lower surface of the upper base shell (1) are respectively provided with a wire harness fixing seat, the two wire harness fixing seats are respectively provided with a W-phase wire harness terminal, a V-phase wire harness terminal and a U-phase wire harness terminal which are made of pure copper, and the two wire harness terminals in the same phase are connected to the bottom of a protruding annular metal ring through a conducting wire;
the upper surface of the lower base upper shell (2) is provided with a groove with a corresponding size at a position corresponding to the wire harness fixing seat, three pure copper metal sheets are arranged at positions corresponding to the W-phase wire harness terminal, the V-phase wire harness terminal and the U-phase wire harness terminal on the wire harness fixing seat in the groove, the three pure copper metal sheets are connected with the W-phase wire harness terminal, the V-phase wire harness terminal and the U-phase wire harness terminal through metal springs, and the three pure copper metal sheets are respectively used for fixing the U-phase voltage acquisition terminal, the V-phase voltage acquisition terminal and the W-phase voltage acquisition terminal; the edge of the groove in the lower base upper shell (2) is provided with a semicircular hole, and the semicircular hole arranged on the lower base lower shell (3) are spliced to form a voltage acquisition wire harness inlet (6).
2. The high-voltage wire harness leading-out device for testing the electric automobile according to claim 1, wherein three protruding annular metal rings are uniformly arranged along a diagonal line of the upper base shell (1), and the wire harness inlet and outlet I (4) and the wire harness inlet and outlet II (5) are arranged along the other diagonal line.
3. The high-voltage wire harness leading-out device for electric vehicle test according to claim 1, characterized in that the lower base upper shell (2) is further provided with a lower base permanent magnet (7) or a suction cup.
4. The high-voltage wire harness leading-out device for testing the electric automobile according to claim 1, wherein a wire harness inlet and outlet I (4), a wire harness inlet and outlet II (5) and a voltage acquisition wire harness inlet (6) are sealed through sealing rings, an upper base shell (1) and a lower base upper shell (2) are sealed through upper and lower base sealing strips (8), and a lower base upper shell (2) and a lower base lower shell (3) are sealed through lower base upper and lower shell sealing strips (9).
5. The high-voltage wire harness leading-out device for testing the electric automobile according to claim 1, characterized in that the three pure copper metal sheets are arranged through the upper shell (2) of the lower base, exposed parts are arranged on the upper surface and the lower surface of the upper shell (2) of the lower base, wherein the upper surface of the upper shell (2) of the lower base is matched and connected with a pure copper spring, and one side of the lower surface of the upper shell (2) of the lower base is provided with a threaded hole for fixing a voltage acquisition terminal through a screw.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010263668.0A CN111555052B (en) | 2020-04-07 | 2020-04-07 | High-voltage wire harness leading-out device for testing electric automobile |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010263668.0A CN111555052B (en) | 2020-04-07 | 2020-04-07 | High-voltage wire harness leading-out device for testing electric automobile |
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| Publication Number | Publication Date |
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| CN111555052A CN111555052A (en) | 2020-08-18 |
| CN111555052B true CN111555052B (en) | 2021-06-11 |
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| CN202010263668.0A Active CN111555052B (en) | 2020-04-07 | 2020-04-07 | High-voltage wire harness leading-out device for testing electric automobile |
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Family Cites Families (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101082638B (en) * | 2006-06-01 | 2010-05-12 | 英业达股份有限公司 | Transmission line used for internal circuit test point |
| JP2008014773A (en) * | 2006-07-05 | 2008-01-24 | Chugoku Electric Power Co Inc:The | Voltage/current transformer |
| US8076923B2 (en) * | 2008-05-23 | 2011-12-13 | Consolidated Edison Company Of New York, Inc. | Dead-line phase identification system and method thereof |
| US7906957B2 (en) * | 2008-11-20 | 2011-03-15 | GM Global Technology Operations LLC | High voltage connector and method having integrated voltage measurement probe points |
| CN202041602U (en) * | 2010-12-07 | 2011-11-16 | 中国第一汽车集团公司无锡油泵油嘴研究所 | Electric appliance circuit fault detection tool |
| CN102495247A (en) * | 2011-12-26 | 2012-06-13 | 安徽省电力公司阜阳供电公司 | Electrical parameter test lead connection method and device for power line |
| EP2980592A1 (en) * | 2014-07-30 | 2016-02-03 | General Electric Company | Sensor devices and methods for use in sensing current through a conductor |
| US10367270B2 (en) * | 2015-05-27 | 2019-07-30 | Intelligent Technologies International, Inc. | Vehicle wire harness |
| CN205210120U (en) * | 2015-11-05 | 2016-05-04 | 福建省汽车工业集团云度新能源汽车股份有限公司 | Electric automobile test terminal box that charges |
| CN206281944U (en) * | 2016-11-09 | 2017-06-27 | 浙江吉利控股集团有限公司 | A kind of device for vehicle electric circuit inspection |
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Effective date of registration: 20231220 Address after: No.1, xinhongqi street, automobile economic and Technological Development Zone, Changchun, Jilin Province Patentee after: China Faw Co.,Ltd. Patentee after: CHANGCHUN AUTOMOTIVE TEST CENTER Co.,Ltd. Address before: No.1, xinhongqi street, automobile economic and Technological Development Zone, Changchun City, Jilin Province, 130011 Patentee before: China Faw Co.,Ltd. |
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