CN203071519U - High voltage junction box cover opening detection device - Google Patents
High voltage junction box cover opening detection device Download PDFInfo
- Publication number
- CN203071519U CN203071519U CN 201220709106 CN201220709106U CN203071519U CN 203071519 U CN203071519 U CN 203071519U CN 201220709106 CN201220709106 CN 201220709106 CN 201220709106 U CN201220709106 U CN 201220709106U CN 203071519 U CN203071519 U CN 203071519U
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- Prior art keywords
- junction box
- lid
- conductor
- box cover
- conductors
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- Expired - Fee Related
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Abstract
The utility model discloses a high voltage junction box cover opening detection device which comprises a junction box and a box cover. Conductors are arranged on the edges of the contact surface of the junction box and the box cover. Junction box conductors and box cover conductors are alternately arranged. After the box cover is put on the junction box, the junction box conductors and the box cover conductors are in head-to-tail mutual connection to form a charged circuit. The charged circuit is connected with a circuit external wiring harness. According to the high voltage junction box cover opening detection device, conductors are respectively and alternately arranged on the junction box and the box cover; after the box cover is put on, the junction box conductors and the box cover conductors are mutually connected to form the charged circuit; when the box cover looses and is damaged or when the edge of the junction box is damaged because of collision, the junction box conductors and the box cover conductors are disconnected to form disconnection, which avoids the occurrence of electricity leakage and other hazardous conditions; and the detection device has the advantages of simple structure, reasonable arrangement and reliable work.
Description
Technical field
The utility model relates to the junction box safety detection device, especially relates to a kind of high pressure junction box checkout gear of uncapping.
Background technology
Substantially all is furnished with the high pressure junction box on the existing electric automobile, when the maintenance personal uncaps maintenance or inspection, if forget key outage down this moment, danger such as electric shock just probably take place, prior art only detects the opening and closing of lid, do not consider the opening degree of lid, and in the reality driving, vehicle body can pass through long-term jolting, shake, and is loosening if the screw of junction box occurs, perhaps housing breakage occurs through colliding with, and existing technology just can't detect.In this case, if vehicle is paddled or travelled at casual water route face, rainwater will enter in the junction box along with the slit, causes high voltage short circuit, and then can produce threat to passenger's life security.
Chinese patent literature (the day for announcing: on September 7th, 2011, notification number: CN 201961158U) disclose a kind of high-voltage safety device based on pure electric automobile, comprised that High-Voltage Electrical Appliances loop, low pressure connect detection loop and high voltage control loop.
The purpose of technique scheme is to connect to check between each high tension apparatus whether each high pressure wire harness connects reliable by rigid line, thus the supply of control high voltage source, and the personnel of preventing touch charged high tension apparatus.And if loosening for the screw appearance of junction box, perhaps housing can't detected problem not solved through the situation that breakage occurs of colliding with.
The utility model content
The purpose of this utility model is can't occur the screw of junction box becoming flexible in order to solve in the prior art, perhaps housing the problem that damaged situation detects appears through colliding with and provide a kind of can be to the separated time lid loosening and damaged situation detect the high pressure junction box of guaranteeing dangerous situations such as can not the leaking electricity checkout gear of uncapping.
The utility model realizes that the technical scheme that its technical purpose adopts is: a kind of high pressure junction box checkout gear of uncapping, comprise junction box and lid, the edge that is in contact with one another face on described junction box and the lid is respectively arranged with conductor, junction box conductor and lid conductor are crisscross arranged, lid and junction box cover back lid conductor and the junction box conductor is interconnected to constitute energized circuit from beginning to end, and described energized circuit is connected with the external wire harness in loop.This high pressure junction box checkout gear of uncapping, be staggeredly equipped with conductor at junction box and lid contact portion upper-lower position, lid conductor and junction box conductor will be interconnected to form an energized circuit after lid covers, and energized circuit is connected with the external wire harness in loop.When the screw of junction box is loosening when causing lid (or one jiao) slight perk on one side or not contacting, or junction box is when causing edge breakage because of colliding with, junction box conductor herein and the disconnection of lid conductor, and this edge can open circuit.The VCU(entire car controller) can come the break-make in loop is monitored by the external wire harness in loop, thereby state is offered instrument, show in instrument again.If the driver receives the warning information of junction box fault, just the inspection of can getting off, the maintenance, avoid causing danger.And this junction box checkout gear of uncapping arranges simply, reliable operation, can be to the separated time lid loosening and damaged situation effectively detect, guarantee can not take place dangerous situations such as electric leakage.
As preferably, the described junction box structure that is square, the L shaped structure branch of the length of sides such as the junction box conductor is is located at four angles of junction box upper surface, one of them junction box conductor is provided with opening, the external wire harness in described loop is connected with two end points of opening, described lid and junction box are equipped with, and described lid conductor is arranged on the medial surface of lid along the four edges of lid, and the length of lid conductor is provided with the outer length of side length of junction box conductor more than or equal to junction box.The L shaped structure of the length of sides such as the setting of junction box conductor is, make things convenient for the setting of conductor like this, the junction box conductor is arranged on four edges of junction box simultaneously, and the lid conductor is arranged on the four edges of medial surface of separated time lid, the length of lid conductor is provided with the outer length of side length of junction box conductor more than or equal to junction box, the structure that arranges had so both guaranteed after lid covers, junction box conductor and lid conductor are interconnected to form energized circuit, guaranteed simultaneously when lid is loosening and damaged, or junction box is when causing edge breakage because colliding with, junction box conductor and lid conductor can disconnect, and formation is opened circuit, and avoid dangerous generation.Certainly, also can select the L-shaped structure of lid conductor to be arranged on four angles, and the junction box conductor linearly structure be arranged on the four edges of junction box, such structure can satisfy the purpose of the technical program equally.
As preferably, also be provided with snap switch between the contact-making surface of described junction box and lid, described snap switch is connected with the external wire harness of switch.Also be provided with snap switch between the contact-making surface of junction box and lid, and snap switch is connected with the external wire harness of switch, when the junction box lid closed, lid can make switch closure by push switch; When lid was opened, spring can make it switch jack-up disconnect again, detects the break-make in loop again by the external wire harness of switch, controls the disconnection of high voltage connector afterwards.Such structure is in order to realize dual fail-safe, because usually when driving, when lid is in crack state, can't cause danger immediately, so only send prompting by alarm signal, whether cut off the power supply and controlled voluntarily by the driver, and when needs are uncapped maintenance, assign cut-offing instruction by the snap switch and the switch external connection beam intensity system that arrange, further support personnel's safety.The beneficial effects of the utility model are: this high pressure junction box checkout gear of uncapping, by respectively at junction box and the lid conductor that is crisscross arranged, after making that lid covers, junction box conductor and lid conductor are interconnected to constitute an energized circuit, when loosening and damaged when lid, or junction box is when causing edge breakage because colliding with, and junction box conductor and lid conductor can disconnect, formation is opened circuit, and has avoided the generation of dangerous situations such as electric leakage.And this checkout gear is simple in structure, and reliable operation is set rationally.
Description of drawings
Fig. 1 is a kind of structural representation of the present utility model;
Fig. 2 is a kind of structural representation after the utility model lid covers;
Fig. 3 is another kind of structural representation of the present utility model;
Among the figure: 1, junction box, 2, lid, 3, the junction box conductor, 4, the lid conductor, 5, the external wire harness in loop, 6, opening, 7, snap switch, 8, the external wire harness of switch.
Embodiment
Also by reference to the accompanying drawings the technical solution of the utility model is described in further detail below by specific embodiment.
Embodiment 1:
In the embodiment shown in fig. 1, a kind of high pressure junction box checkout gear of uncapping, comprise the junction box 1 of the structure that is square and the lid 2 that is equipped with junction box 1, the edge that is in contact with one another face on junction box 1 and the lid 2 is provided with conductor, junction box conductor 3 is crisscross arranged with lid conductor 4, the L shaped structure branch of the length of sides such as junction box conductor 3 is is located at four angles of junction box upper surface, one of them junction box conductor is provided with opening 6, the external wire harness 5 in loop is connected with two end points of opening 6, lid conductor 4 is structure linearly, lid conductor 4 is arranged on the medial surface of lid along the four edges of lid 2, and the length of lid conductor 4 is provided with junction box conductor 3 length of side length outward greater than junction box 1.Lid 2 covers back lid conductor 4 with junction box 1 and is interconnected to constitute energized circuit with junction box conductor 3 head and the tail, and energized circuit is connected with the external wire harness 5 in loop.That is to say that the length of lid conductor 4 is greater than the length that junction box conductor 3 parts are not set on the junction box 1, after lid 2 covered, lid conductor 4 interconnected with junction box conductor 3 like this, constituted energized circuit, and then realized the purpose of the technical program.
When the screw of junction box 1 is loosening when causing lid 2 (or one jiao) slight perk on one side or not contacting, or junction box 1 is when causing edge breakage because of colliding with, junction box conductor 3 herein and 4 disconnections of lid conductor, and this edge can open circuit.The VCU(entire car controller) can monitor by the break-make in 5 pairs of loops of external wire harness, loop, thereby state is offered instrument, show in instrument again.If the driver receives the warning information of junction box fault, just the inspection of can getting off, the maintenance, avoid causing danger.And this junction box checkout gear of uncapping arranges simply, reliable operation, can be to the separated time lid loosening and damaged situation effectively detect, guarantee can not take place dangerous situations such as electric leakage.
Embodiment 2:
In the embodiment shown in fig. 3, a kind of high pressure junction box checkout gear of uncapping, comprise the junction box 1 of the structure that is square and the lid 2 that is equipped with junction box 1, the edge that is in contact with one another face on junction box 1 and the lid 2 is provided with conductor, also be provided with snap switch 7 between the contact-making surface of junction box 1 and lid 2, snap switch 7 is connected with the external wire harness 8 of switch.Junction box conductor 3 is crisscross arranged with lid conductor 4, the L shaped structure branch of the length of sides such as junction box conductor 3 is is located at four angles of junction box upper surface, one of them junction box conductor is provided with opening 6, the external wire harness 5 in loop is connected with two end points of opening 6, lid conductor 4 is arranged on the medial surface of lid along the four edges of lid 2, and the length of lid conductor 4 is provided with junction box conductor 3 length of side length outward greater than junction box 1.Lid 2 covers back lid conductor 4 with junction box 1 and is interconnected to constitute energized circuit with junction box conductor 3 head and the tail, and energized circuit is connected with the external wire harness 5 in loop.That is to say that the length of lid conductor 4 is greater than the length that junction box conductor 3 parts are not set on the junction box 1, after lid 2 covered, lid conductor 4 interconnected with junction box conductor 3 like this, constituted energized circuit, and then realized the purpose of the technical program.
Among this embodiment, when junction box lid 2 closed, lid 2 can make snap switch 7 closures by pressing spring; When lid 2 was opened, spring can make it snap switch 7 jack-up disconnect again, detects the break-make in loop again by the external wire harness 8 of the switch of snap switch 7, controls the disconnection of high voltage connector afterwards.Simultaneously, when the screw of junction box 1 is loosening when causing lid 2 (or one jiao) slight perk on one side or not contacting, or junction box 1 is when causing edge breakage because of colliding with, junction box conductor herein and the disconnection of lid conductor, and this edge can open circuit.The VCU(entire car controller) can come the break-make in loop is monitored by the external wire harness in loop, thereby state is offered instrument, show in instrument again.Such structure is in order to realize dual fail-safe, usually when driving, when lid 2 is in crack state, can't cause danger immediately, prompting is sent in alarm signal, and when needs are uncapped maintenance, assigns cut-offing instruction by the snap switch 7 and the external wire harness 8 of switch that arrange, user's maintenance of can uncapping, more safe and reliable.
This high pressure junction box checkout gear of uncapping has been realized the detection of and damaged situation loosening to the junction box lid, to guarantee not take place dangerous situation such as electric leakage grade.
The principle of this programme: lay conductor at junction box 1 and lid 2 contact portions, lid conductor 4 will contact with the junction box conductor and form an energized circuit after lid 2 closes, as shown in Figure 3.When screw is loosening when causing lid 2 (or one jiao) slight perk on one side or not contacting, no matter occur in which limit, this edge all can open circuit.The VCU(entire car controller) can monitor the break-make in loop by the external wire harness in loop, thereby state is offered instrument, show in instrument again.If the driver receives the warning information of junction box fault, just the inspection of can getting off, the maintenance, avoid causing danger.If junction box causes edge breakage because colliding with, it also is same reason.Because considering when driving, lid can't cause danger immediately if be in crack state, so the electricity instruction, is not descended in alarm signal herein as just prompting yet.
Claims (3)
1. high pressure junction box checkout gear of uncapping, comprise junction box and lid, it is characterized in that: the edge that is in contact with one another face on described junction box (1) and the lid (2) is respectively arranged with conductor, junction box conductor (3) is crisscross arranged with lid conductor (4), lid (2) covers back lid conductor (4) with junction box (1) and is interconnected to constitute energized circuit with junction box conductor (3) head and the tail, and described energized circuit is connected with the external wire harness in loop (5).
2. a kind of high pressure junction box according to claim 1 checkout gear of uncapping, it is characterized in that: described junction box (1) structure that is square, the L shaped structure branch of the length of sides such as junction box conductor (3) is is located at four angles of junction box (1) upper surface, one of them junction box conductor (3) is provided with opening (6), the external wire harness in described loop (5) is connected with two end points of opening (6), described lid (2) is equipped with junction box (1), described lid conductor (4) is arranged on the medial surface of lid (2) along the four edges of lid (2), and the length of lid conductor (4) is provided with the outer length of side length of junction box conductor (3) more than or equal to junction box (1).
3. a kind of high pressure junction box according to claim 1 checkout gear of uncapping, it is characterized in that: also be provided with snap switch (7) between the contact-making surface of described junction box (1) and lid (2), described snap switch (7) is connected with the external wire harness of switch (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220709106 CN203071519U (en) | 2012-12-20 | 2012-12-20 | High voltage junction box cover opening detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220709106 CN203071519U (en) | 2012-12-20 | 2012-12-20 | High voltage junction box cover opening detection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203071519U true CN203071519U (en) | 2013-07-17 |
Family
ID=48770270
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220709106 Expired - Fee Related CN203071519U (en) | 2012-12-20 | 2012-12-20 | High voltage junction box cover opening detection device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203071519U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108700626A (en) * | 2017-11-28 | 2018-10-23 | 深圳市隐秀科技有限公司 | A kind of detection device and the portable electronic device with the detection device |
| CN109557492A (en) * | 2018-12-26 | 2019-04-02 | 申通庞巴迪(上海)轨道交通车辆维修有限公司 | A kind of train voltage and current sensor detector |
-
2012
- 2012-12-20 CN CN 201220709106 patent/CN203071519U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108700626A (en) * | 2017-11-28 | 2018-10-23 | 深圳市隐秀科技有限公司 | A kind of detection device and the portable electronic device with the detection device |
| WO2019104452A1 (en) * | 2017-11-28 | 2019-06-06 | 深圳市隐秀科技有限公司 | Detection device and portable electronic apparatus having same |
| CN109557492A (en) * | 2018-12-26 | 2019-04-02 | 申通庞巴迪(上海)轨道交通车辆维修有限公司 | A kind of train voltage and current sensor detector |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130717 Termination date: 20201220 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |