CN211603378U - Vehicle insulation resistance detection device - Google Patents
Vehicle insulation resistance detection device Download PDFInfo
- Publication number
- CN211603378U CN211603378U CN201922156244.XU CN201922156244U CN211603378U CN 211603378 U CN211603378 U CN 211603378U CN 201922156244 U CN201922156244 U CN 201922156244U CN 211603378 U CN211603378 U CN 211603378U
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- Prior art keywords
- conductor
- connector
- insulation resistance
- shell
- insulation
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- 238000009413 insulation Methods 0.000 title claims abstract description 63
- 238000001514 detection method Methods 0.000 title claims abstract description 32
- 239000004020 conductor Substances 0.000 claims abstract description 39
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 11
- 229910052802 copper Inorganic materials 0.000 claims description 11
- 239000010949 copper Substances 0.000 claims description 11
- 238000005192 partition Methods 0.000 claims description 9
- 239000010445 mica Substances 0.000 claims description 7
- 229910052618 mica group Inorganic materials 0.000 claims description 7
- 239000007769 metal material Substances 0.000 claims 1
- 239000012141 concentrate Substances 0.000 abstract description 2
- 238000005457 optimization Methods 0.000 abstract description 2
- 238000000034 method Methods 0.000 description 5
- 239000002184 metal Substances 0.000 description 4
- 229910052751 metal Inorganic materials 0.000 description 4
- 230000002159 abnormal effect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 230000007306 turnover Effects 0.000 description 1
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- Measurement Of Resistance Or Impedance (AREA)
Abstract
The utility model relates to an insulation detection equipment technical field, more specifically relates to a vehicle insulation resistance detection device. The device comprises a shell, a conductor piece, a first connector and a second connector, wherein the conductor piece is arranged in the shell, and two ends of the conductor piece are electrically connected with the first connector and the second connector respectively; and a pin for connecting the insulation meter is led out from one end of the conductor. In addition, the pin is connected with a ship-shaped switch. The utility model discloses an insulating check out test set of whole car of optimization uses with the cooperation of insulation table, avoids operating personnel and high-voltage terminal direct contact's possibility, utilizes the built-in conductor of equipment to concentrate a plurality of check points simultaneously, utilizes the ship type switch to switch positive and negative pole to the ground qualitative detection insulation resistance to the simplified operation detects and is more convenient comprehensively.
Description
Technical Field
The utility model relates to an insulation detection equipment technical field, more specifically relates to a vehicle insulation resistance detection device.
Background
In the automobile production, the new energy automobile needs to use external equipment to carry out insulation resistance detection on the whole automobile before the high voltage is applied for the first time so as to ensure the personal safety of operators. The method comprises the following steps of directly detecting insulation resistance values by using an insulation meter, respectively detecting the insulation resistance values of a positive electrode and a negative electrode at two ends of a high-voltage connector of a high-voltage wire harness and a high-voltage accessory by using the insulation meter, and then detecting the insulation resistance of a charging port at an AC end of a charger by using the insulation meter. However, the method is poor in safety, manual measurement is carried out after the vehicle high-voltage accessory connector is pulled out, the high-voltage wire harness terminal is exposed in the air, hands are easy to directly contact the high-voltage wire harness terminal, and potential safety hazards exist. The method is inconvenient to operate, the contact between the two ends of the insulating meter and the port is unstable, the error contact is easy to cause inaccurate measured data, and the detection efficiency is influenced.
The other method is to adopt special equipment for detection, in a circuit of the whole vehicle, a relay of a charging loop is disconnected under the condition that the whole vehicle is not electrified, at the moment, the equipment can only detect whether the insulation resistance of the charging cable is normal or not, cannot detect whether other loops of the whole vehicle have insulation problems or not, and the detection is not comprehensive.
SUMMERY OF THE UTILITY MODEL
The utility model discloses an overcome above-mentioned prior art the defect, provide a vehicle insulation resistance detection device, match the insulating table and use, optimized the detection means, improved the security, make to detect more convenient and comprehensive.
In order to solve the technical problem, the utility model discloses a technical scheme is:
a vehicle insulation resistance detection device comprises a shell, a conductor, a first connector and a second connector, wherein the conductor is arranged in the shell, and two ends of the conductor are electrically connected with the first connector and the second connector respectively; and a pin for connecting the insulation meter is led out from one end of the conductor. The device uses with the cooperation of insulating table, when using, is connected pin and insulating table detection line. The first connector is used for connecting a vehicle high-voltage accessory connector, and the second connector is used for connecting a vehicle charger AC end connector.
Preferably, the bottom layer of the shell is provided with a grounding stud. Generally, when the shell is used, the shell is placed on a grounding point of a whole vehicle, for convenience of connection, one detection line of the insulation meter is connected with a pin, and the other detection line of the insulation meter is connected with a grounding stud.
Preferably, the insulating mica sheet is insulated between the conductor and the shell. The insulating mica sheet enables the conductor to be isolated from the shell, and the conductor is prevented from being conducted with the shell during insulation detection, so that the insulation detection data is prevented from being invalid.
Preferably, the shell is of a double-layer structure, a partition plate is arranged in the shell, and the partition plate is used for placing the insulating watch. The inside fretwork of casing, casing upper cover can be turned over, two-layer about can seeing equipment inside after the turn-over divide into, wherein be equipped with the baffle, the insulating table is placed to the upper strata.
Preferably, the housing and the partition are made of metal.
Preferably, the pin is connected with a switch. The switch is arranged on a circuit on which the pin is arranged and is mainly used for controlling the on-off of the insulation meter.
Preferably, the switch is a ship-type switch for switching the on/off and connection direction of the insulation meter. The ship-shaped switch with double poles and double throws is adopted, and the connection of the positive pole and the negative pole of the insulation meter can be changed by controlling the ship-shaped switch.
Preferably, the number of the conductors is two or more, and the conductors are arranged in parallel. Preferably, two conductors are used, one high voltage anode and the other high voltage cathode, connected in series in the high voltage circuit of the vehicle.
Preferably, the conductor is screwed to the housing. The conductor is fixed on the shell by using screws, but the insulating mica sheet isolates the conductor to prevent the conductor from being conducted with the shell.
Preferably, the conductor is a copper bar.
Compared with the prior art, the beneficial effects of the utility model are that: the utility model discloses a vehicle insulation resistance detection device, through the whole car insulation detection equipment of optimization, use with the cooperation of insulation table, avoid operating personnel and high-voltage terminal direct contact's possibility, utilize the built-in conductor of equipment to concentrate a plurality of check points simultaneously, utilize the ship type switch to switch positive and negative pole to the ground qualitative detection insulation resistance to the simplified operation detects just more conveniently comprehensively.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention.
Fig. 2 is a schematic diagram of the internal structure of the present invention.
Fig. 3 is a schematic diagram of the circuit connection of the components of the present invention.
The connector comprises a shell 1, a conductor 2, a first connector 3, a second connector 4, pins 5, a grounding stud 6, an insulating mica sheet 7, a partition plate 8 and a switch 9 (ship-shaped switch).
Detailed Description
The drawings are for illustrative purposes only and are not to be construed as limiting the patent; for the purpose of better illustrating the embodiments, certain features of the drawings may be omitted, enlarged or reduced, and do not represent the size of an actual product; it will be understood by those skilled in the art that certain well-known structures in the drawings and descriptions thereof may be omitted. The positional relationships depicted in the drawings are for illustrative purposes only and are not to be construed as limiting the present patent.
The same or similar reference numerals in the drawings of the embodiments of the present invention correspond to the same or similar parts; in the description of the present invention, it should be understood that if there are the terms "upper", "lower", "left", "right", "long", "short", etc. indicating the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, it is only for convenience of description and simplification of description, but it is not intended to indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and therefore the terms describing the positional relationship in the drawings are only for illustrative purposes and are not to be construed as limiting the present patent, and those skilled in the art will understand the specific meaning of the terms according to their specific circumstances.
The technical solution of the present invention is further described in detail by the following specific embodiments in combination with the accompanying drawings:
example 1
As shown in fig. 1, the present embodiment provides a vehicle insulation resistance detection apparatus including a housing 1, a conductor 2, a first connector 3, and a second connector 4, which is used in conjunction with an insulation gauge.
As shown in figure 2, the inside of the shell 1 is hollow, the upper cover of the shell 1 can be opened, a partition plate 8 is arranged in the middle of the inside of the shell and can be seen after the shell is opened, the shell is divided into an upper layer and a lower layer, and the upper layer is used for placing an insulating watch. Specifically, the housing 1 and the partition plate 8 are made of metal.
As shown in fig. 3, the conductor 2 is provided at a lower layer of the housing 1 and is screwed and fixed to the housing 1 by screws. Meanwhile, an insulating mica sheet 7 is isolated between the conductor 2 and the shell 1, the insulating mica sheet 7 enables the conductor 2 to be isolated from the screw and the shell 1, and the conductor 2 is prevented from being conducted with the shell 1 during insulation detection, so that the insulation detection data is prevented from being invalid.
In this embodiment, the conductor 2 is two copper bars, and the two copper bars are connected in parallel. Specifically, two ends of the conductor 2 are electrically connected with the first connector 3 and the second connector 4 respectively, wherein the first connector 3 is used for connecting a vehicle high-voltage accessory connector, and the second connector 4 is used for connecting a vehicle charger AC end connector, so that direct contact between a person and a high-voltage terminal is avoided.
Meanwhile, a pin 5 for connecting an insulation meter is led out from one end of the conductor 2, a double-pole double-throw ship-shaped switch 9 is connected to a line of the pin 5, and the ship-shaped switch 9 is used for switching the on-off and connection direction of the insulation meter. Further, the bottom layer of the shell 1 is also provided with a grounding stud 6, in order to facilitate connection in use, one side of the insulation meter is connected with the pin 5, the other side of the insulation meter is connected with the grounding stud 6, and the connection of the anode and the cathode of the insulation meter can be changed by operating the ship-shaped switch 9.
The principle of the embodiment is as follows:
because the high-voltage electric appliances of the new energy vehicle are all in series connection, when a high-voltage accessory detection loop is detected to be normal on the whole vehicle, the fact that the insulation resistance of the whole loop is abnormal can be judged. In addition, the shell 1 of the device is metal, and when the device is placed on a grounding point metal plate of the whole vehicle, the potential of the grounding stud 6 in the shell 1 is the same as the grounding potential of the vehicle to be tested.
Two groups of copper bars are used, one is a high-voltage anode, the other is a high-voltage cathode, the two copper bars are connected in series into a high-voltage loop of the whole vehicle, the high-voltage anodes/alternating current live wires of all the connectors are connected into one copper bar, the high-voltage cathodes/alternating current zero lines of all the connectors are connected into the other copper bar, and the alternating current ground wire is connected into the grounding stud 6. The insulation meter pen samples detection points on the copper bar respectively through the control of the ship-shaped switch 9, namely samples the positive and negative loops of the high-voltage loop.
The copper bar is through first connector 3, second connector 4 cluster income whole car high-voltage circuit, and first connector 3, second connector 4 regard as the frock, and easy and simple to handle and difficult mistake touch, and personnel need not directly to touch high-voltage circuit after the connector assembly simultaneously, reduce the risk of electrocuteeing. In order to ensure that the requirements of regulations are completely met, a high-voltage interlocking loop can be cancelled in the connector, the condition that the whole vehicle cannot be electrified during detection is further ensured, and the safety of operators is further ensured.
The operation process of this embodiment is as follows:
firstly, the device is placed on the grounding point of the whole vehicle, the shell 1 is opened, the insulation meter is placed on the upper layer of the shell 1, the anode detection line of the insulation meter is connected with the pin 5 on one side of the ship-shaped switch 9, and the cathode detection line of the insulation meter is connected to the grounding stud 6.
Then, the high-voltage accessory connector of the vehicle to be tested is connected with the first connecting piece, the AC end connector of the charger of the vehicle to be tested is connected with the second connector 4, and the copper bars of the shell 1 are connected into a high-voltage loop of the whole vehicle in series.
And finally, measuring the primary insulation resistance by using an insulation meter, pressing the ship-shaped switch 9, and testing the primary insulation resistance again, wherein if the primary insulation resistance is normal, the insulation resistance of the whole vehicle can be qualitatively judged to be abnormal.
It is obvious that the above embodiments of the present invention are only examples for clearly illustrating the present invention, and are not limitations to the embodiments of the present invention. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the claims of the present invention.
Claims (10)
1. A vehicle insulation resistance detection device characterized in that: the conductive connector comprises a shell (1), a conductor (2), a first connector (3) and a second connector (4), wherein the conductor (2) is arranged inside the shell (1), and two ends of the conductor (2) are electrically connected with the first connector (3) and the second connector (4) respectively; one end of the conductor (2) is led out with a pin (5) for connecting an insulation meter.
2. The vehicle insulation resistance detecting device according to claim 1, characterized in that: and a grounding stud (6) is arranged at the bottom layer of the shell (1).
3. The vehicle insulation resistance detecting device according to claim 1, characterized in that: and an insulating mica sheet (7) is isolated between the conductor (2) and the shell (1).
4. The vehicle insulation resistance detecting device according to claim 1, characterized in that: the casing (1) is of a double-layer structure, a partition plate (8) is arranged in the casing (1), and the partition plate (8) is used for placing an insulating meter.
5. The vehicle insulation resistance detecting device according to claim 4, characterized in that: the shell (1) and the partition plate (8) are made of metal materials.
6. The vehicle insulation resistance detecting device according to claim 1, characterized in that: the pin (5) is connected with a switch (9).
7. The vehicle insulation resistance detecting device according to claim 6, characterized in that: the switch (9) is a ship-shaped switch and is used for switching the on-off and connection direction of the insulation meter.
8. The vehicle insulation resistance detecting device according to claim 3, characterized in that: the number of the conductors (2) is two or more, and the conductors (2) are arranged in parallel.
9. The vehicle insulation resistance detecting device according to claim 8, characterized in that: the conductor (2) is in threaded connection with the housing (1).
10. The vehicle insulation resistance detection device according to any one of claims 1 to 9, characterized in that: the conductor (2) is a copper bar.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922156244.XU CN211603378U (en) | 2019-12-04 | 2019-12-04 | Vehicle insulation resistance detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922156244.XU CN211603378U (en) | 2019-12-04 | 2019-12-04 | Vehicle insulation resistance detection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211603378U true CN211603378U (en) | 2020-09-29 |
Family
ID=72590768
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922156244.XU Active CN211603378U (en) | 2019-12-04 | 2019-12-04 | Vehicle insulation resistance detection device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211603378U (en) |
-
2019
- 2019-12-04 CN CN201922156244.XU patent/CN211603378U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address |
Address after: No. 633, Jinshan Avenue East Road, Guangzhou, Guangdong, Panyu District Patentee after: Guangzhou Automobile Group Co.,Ltd. Country or region after: China Address before: No. 633, Jinshan Avenue East Road, Guangzhou, Guangdong, Panyu District Patentee before: Guangzhou Automobile Passenger Car Co.,Ltd. Country or region before: China |