CN211043526U - New energy automobile high voltage distributor box detection device - Google Patents
New energy automobile high voltage distributor box detection device Download PDFInfo
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- CN211043526U CN211043526U CN201920659994.6U CN201920659994U CN211043526U CN 211043526 U CN211043526 U CN 211043526U CN 201920659994 U CN201920659994 U CN 201920659994U CN 211043526 U CN211043526 U CN 211043526U
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Abstract
The utility model discloses a new energy automobile high voltage distributor box detection device, including PDU detection device body and power, PDU detection device body passes through electric connection between electric lead and the power, and PDU detection device body port passes through electric lead and is connected with the display element port electricity, PDU detection device body one side is connected with low voltage power supply joint, procedure brush writing interface, low voltage signal interface, backward flow input joint, digital switch and insulating detection joint port electricity through plug-in components, and the electricity is connected with power conversion circuit between PDU detection device body and the power. In the utility model, the device is convenient for detect the high-pressure tank function, adopts detecting system to detect the high-pressure tank function, avoids receiving the influence of human factor, reduces the error rate that detects, and check-out time is short, and is with low costs to guarantee the quality and the qualification rate of batch product.
Description
Technical Field
The utility model relates to a new energy automobile high voltage distribution box detection device technical field especially relates to a new energy automobile high voltage distribution box detection device.
Background
The high-voltage power distribution of the new energy electric automobile is a high-voltage large-current distribution unit PDU of all pure electric automobiles and plug-in hybrid electric automobiles. Adopt centralized distribution scheme, structural design is compact, and the wiring overall arrangement is convenient, overhauls convenient and fast. According to the system architecture requirements of different customers, the high-voltage distribution box is also integrated with a part of intelligent control management units of the battery management system, so that the complexity of the whole vehicle system architecture power distribution is further simplified.
Present new energy automobile high voltage distribution box (PDU) is as whole car high voltage key part, whether qualified security of relation to whole car when dispatching from the factory, high-voltage box variety is various on the market at present, many producers do not have the comparatively general check out test set of development, it is big to lead to the high-voltage box function detection degree of difficulty, it mainly relies on the manual work to dispatch from the factory at present, it is high to lead to detecting the error rate, it is long-time, the cost is also high, and be difficult to guarantee the quality and the production efficiency of product during in batches, and present new energy automobile PDU probably divide into two types, contain controller (I type) promptly and do not contain controller (II type), I type is that to contain the contactor, the fuse, contactor control, insulating detection, temperature detection, the product of functions such as voltage and current detection, intelligent control. The class II refers to a non-intelligent control product with single functions of a contactor, a fuse and the like, and all functions of the product, such as the contactor, the pre-charging and the like, need to be controlled by an external controller. And present prior art scheme is only effective to I class product, unable general II class products, and the demand in the in-service use can not be satisfied to current product service function, to above problem, provides a new energy automobile high voltage distribution box detection device in particular.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the shortcoming that exists among the prior art, and the new energy automobile high voltage distributor box detection device who provides.
In order to achieve the purpose, the following technical scheme is adopted in the utility model: the utility model provides a new energy automobile high tension distributor box detection device, includes PDU detection device body and power, PDU detection device body passes through electric connection between electric lead and the power, and PDU detection device body port passes through the electric lead and is connected with the display element port electricity, PDU detection device body one side is connected with low voltage power connector, procedure brush writing interface, low voltage signal interface, backward flow input joint, digital switch and insulating detection joint port electricity through plug-in components, and the electricity is connected with power conversion circuit between PDU detection device body and the power.
As a further description of the above technical solution:
the low-voltage signal interface is internally reserved with a temperature sensor, a temperature detection signal, a CC, a CP signal, a current sensor signal, a low-voltage output power supply, a high-low level output signal, a charging seat electronic lock signal, a charging awakening signal and a charging module, wherein the output end of the low-voltage signal interface is electrically connected with the input end of the temperature sensor, the output end of the temperature sensor is electrically connected with the input end of the PDU detection device body, the input end of the PDU detection device body is connected with the backflow input joint through a plug-in, and the input end of the backflow input joint is connected with the temperature detection signal, the CC, the CP signal, the current sensor signal, the low-voltage output power supply, the high-low level output signal, the charging seat electronic lock.
As a further description of the above technical solution:
the display unit comprises a touch screen device state detection end, an insulation detection end, a charging detection end, a temperature detection end, a voltage detection end, a current detection end and a high-low interlocking detection end, and the output end of the display unit is electrically connected with the touch screen device state detection end, the insulation detection end, the charging detection end, the temperature detection end, the voltage detection end, the current detection end and the high-low interlocking detection end respectively.
As a further description of the above technical solution:
the touch screen device state detection device comprises a touch screen device state detection device body, an insulation detection device body, a charging detection device body, a temperature detection device body, a voltage detection device body, a current detection device body and a high-low interlocking detection output end.
As a further description of the above technical solution:
the power conversion circuit is electrically connected with 220V mains supply through a power supply.
As a further description of the above technical solution:
the model number adopted by the temperature sensor is TR29 series.
As a further description of the above technical solution:
the low-voltage signal interface comprises a plurality of low-voltage output power supplies (12V/24V), and the wire diameter of the low-voltage output power supplies is 2.5 square.
As a further description of the above technical solution:
PDU detection device body is inside to be equipped with high pressure and detects the interface, and high pressure detects the interface and can establish to single or a plurality of
As a further description of the above technical solution:
PDU detection device body surface inlays and is equipped with the pilot lamp that cooperation complete circuit used, display element is inside to be inlayed and to have the alarm of cooperation trouble suggestion
In the utility model, firstly, the device is convenient for detecting the function of the high pressure tank, the detection system is adopted to detect the function of the high pressure tank, the influence of human factors is avoided, the error rate of detection is reduced, the detection time is short, the cost is low, and the quality and the qualification rate of batch products are ensured, secondly, high and low level output signals reserved by the device are used for a part using digital signals in I-class products, a low-voltage signal connector reserves current sensor signals, the current sensor function of a current sensor in I-class products can be detected, an insulation detection interface mainly detects the resistance value between a high-voltage plug-in component and a PDU shell of the I-class products, a plurality of high and low level output signals are reserved by the low-voltage signal connector, a component using digital signals in the internal part of II-class products, a low-voltage signal connector reserves current sensor signals, and a current sensor is arranged in II, when the sensor signals are collected by the vehicle correlation controller, the sensor wire harness needs to be led to a PDU low-voltage interface, the function of the current sensor can be detected, and CC and CP signals are reserved at a low-voltage signal connector. The device can simulate CC and CP signals to PDU, the function is suitable for II-class products, and the low-voltage signal connector reserves AC charging seat electronic lock signals. This function is applicable to II class products, select touch screen ware state to detect through the display element, it detects to insulate, the detection of charging, the temperature detects, voltage detection, current detection, height interlock detects etc, function option, information transfer is for PDU detection device body, PDU detection device body passes through the low pressure signal structure, control temperature detected signal, CC, the CP signal, the current sensor signal, low voltage output power, high low level output signal, charging seat electronic lock, the module of awakening up and the module of charging form the return circuit through backward flow input interface and PDU detection device body, thereby detect I class product and II class product, the device is multiple functional, can satisfy the demand in the in-service use, thereby improve the device's practicality.
Drawings
Fig. 1 is a schematic structural diagram of a new energy automobile high voltage distribution box detection device according to the present invention;
fig. 2 is a block diagram of a PDU detection device body of a new energy vehicle high-voltage distribution box detection device according to the present invention;
fig. 3 is a block diagram of a low voltage communication interface of the new energy vehicle high voltage distribution box detection device according to the present invention.
Fig. 4 is a block diagram of a display unit process of the new energy vehicle high voltage distribution box detection device according to the present invention.
Illustration of the drawings:
1. PDU detection device body; 2. a display unit; 3. a power source; 4. a low voltage power supply connection; 5. a reflux input joint; 6. a low voltage signal interface; 7. a program flash interface; 8. an insulation detection joint; 9. a digital switch; 10. a power conversion circuit; 11. a temperature sensor; 12. A temperature detection signal; 13. CC, CP signals; 14. a current sensor signal; 15. a low voltage output power supply; 16. high and low level output signals; 17. a charging seat electronic lock signal; 18. a charge wake-up signal; 19. a charging module; 20. detecting the state of a touch screen device; 21. insulation detection; 22. Detecting charging; 23. detecting the temperature; 24. detecting voltage; 25. detecting current; 26. and detecting high and low interlocking.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.
Embodiment one, referring to fig. 1, a new energy automobile high voltage distribution box detection device includes a PDU detection device body 1 and a power supply 3, the PDU detection device body 1 is electrically connected with the power supply 3 through an electrical lead, and a port of the PDU detection device body 1 is electrically connected with a port of a display unit 2 through an electrical lead, one side of the PDU detection device body 1 is electrically connected with a low voltage power supply connector 4, a program writing interface 7, a low voltage signal interface 6, a backflow input connector 5, a digital switch 9 and an insulation detection connector 8 through a plug-in, and a power conversion circuit 10 is electrically connected between the PDU detection device body 1 and the power supply 3, the power conversion circuit 10 is electrically connected with 220V mains supply through the power supply 3, a high voltage detection interface is arranged inside the PDU detection device body 1, and the high voltage detection interfaces can be set to be single or multiple, a display lamp matched with a complete circuit is embedded on the, the display unit 2 is internally embedded with an alarm matched with fault prompt, the device is an intelligent control unit, integrates functional modules for detecting I-type and II-type products, comprises a low-voltage signal interface 6 for detecting and controlling the states of internal components of the I-type and II-type products, comprises a low-voltage output power supply 15 for providing a main power supply when detecting PDU (protocol data unit), comprises a plurality of backflow input connectors 5, namely current backflow input ends, comprises a program writing interface 7 for updating programs in real time, comprises a high-voltage detection interface for detecting the voltage value of a battery in real time, comprises an insulation detection connector 8 for detecting the insulation value of a high-voltage box, comprises a display unit 2 for controlling, detecting and checking the states and results of a PDU detection device body 1 in real time, comprises a plurality of digital switches 9, analog switch signals are provided for the device control unit, the functions of the high-voltage box can be conveniently detected, and the functions of the high-voltage box, the influence of human factors is avoided, the detection error rate is reduced, the detection time is short, the cost is low, and the quality and the qualification rate of batch products are ensured.
In the second embodiment, referring to fig. 1 and 2 and fig. 3 and 4, a temperature sensor 11, a temperature detection signal 12, a CC, a CP signal 13, a current sensor signal 14, a low-voltage output power supply 15, a high-low level output signal 16, a charging seat electronic lock signal 17, a charging wake-up signal 18, and a charging module 19 are reserved inside a low-voltage signal interface 6, an output end of the low-voltage signal interface 6 is electrically connected with an input end of the temperature sensor 11, an output end of the temperature sensor 11 is electrically connected with an input end of a PDU detection device body 1, an input end of the PDU detection device body 1 is connected with a backflow input connector 5 through a plug-in component, an input end of the backflow input connector 5 is connected with the temperature detection signal 12, the CC, the CP signal 13, the current sensor signal 14, the low-voltage output power supply 15, the high-low level output signal 16, the charging seat, the display unit 2 comprises a touch screen state detection 20, an insulation detection 21, a charging detection 22, a temperature detection 23, a voltage detection 24, a current detection 25 and a high-low interlocking detection 26, the output end of the display unit 2 is respectively electrically connected with the input ends of the touch screen state detection 20, the insulation detection 21, the charging detection 22, the temperature detection 23, the voltage detection 24, the current detection 25 and the high-low interlocking detection 26, the output ends of the touch screen state detection 20, the insulation detection 21, the charging detection 22, the temperature detection 23, the voltage detection 24, the current detection 25 and the high-low interlocking detection 26 are electrically connected with the input end of the PDU detection device body 1, the temperature sensor 11 adopts a model of TR29 series, the low-voltage signal interface 6 comprises a plurality of low-voltage output power supplies 15(12V/24V), the wire diameter of the low-voltage output power supplies 15 is 2.5 square, and the operation of the, the commercial power is rectified through the power conversion circuit 10, the input voltage is reduced, the temperature detection signal 12, the CC, the CP signal 13, the current sensor signal 14, the low-voltage output power 15, the high-low level output signal 16, the charging seat electronic lock signal 17, the charging wakeup signal 18 and the charging module 19 which are connected with the low-voltage signal interface 6 are connected with the high-voltage distribution box of the new energy automobile, at the moment, the options of the touch screen state detection 20, the insulation detection 21, the charging detection 22, the temperature detection 23, the voltage detection 24, the current detection 25, the high-low interlocking detection 26 and the like are controlled through the display unit to detect, the selected detection item information is transmitted to the PDU detection device body 1, and the detection items (the temperature detection signal 12, the CC, the CP signal 13, the current sensor signal 14, the low-voltage output power 15, the high-low interlocking detection item 26 and, High low level output signal 16, charging seat electronic lock signal 17, charge awaken up signal 18 and the module 19 that charges), form the return circuit between the backward flow input connector 5, detect new energy automobile high voltage distribution box, detect I class product and II class products, the device is multiple functional, can satisfy the demand in the in-service use to improve the device's practicality.
The working principle is as follows: when the device is used, the device is electrically connected with a mains supply through a power supply, the device is controlled to run through a digital switch, the mains supply is rectified through a power supply conversion circuit to reduce input voltage, a temperature detection signal 12, a CC (component carrier), a CP (content provider) signal 13, a current sensor signal 14, a low-voltage output power supply 15, a high-low level output signal 16, a charging seat electronic lock signal 17, a charging awakening signal 18 and a charging module 19 which are connected with a low-voltage signal interface are connected with a high-voltage distribution box of a new energy automobile, at the moment, options such as a touch screen device state detection 20, an insulation detection 21, a charging detection 22, a temperature detection 23, a voltage detection 24, a current detection 25, a high-low interlocking detection 26 and the like are controlled through a display unit to detect, selected detection item information is transmitted to a PDU (protocol data Unit) detection device body, CC. CP signal 13, current sensor signal 14, low voltage output power supply 15, high low level output signal 16, charging seat electronic lock signal 17, the awakening signal 18 that charges and the module 19 that charges that forms the return circuit between the backward flow input connector 5, detect new energy automobile high voltage distributor box, if switch on the detection to PDU contactor, fuse: when I type product detects, closed air conditioner digital switch 9, PDU detection device body 1 receives this switching signal after through the inside air conditioner contactor of low pressure signal interface 6 control PDU closure, then detection equipment output current signal passes through low pressure power connector 4, air conditioner contactor, backward flow input joint 5 to detection equipment, forms closed loop, and whether detectable current sensor signal 14 state is correct simultaneously. If the detection equipment receives the backflow signal, the relevant information can be displayed on the display screen, and if the backflow signal cannot be received, the fault indicator lamp is lightened, and meanwhile, the display unit 2 displays a fault; when a class II product is detected, the detection equipment CAN control the contactor to be closed through the CAN wire, then a closed loop is formed, if the detection equipment receives a backflow signal, relevant information CAN be displayed on the display unit 2, if the detection equipment cannot receive the backflow signal, the fault indicator lamp is lightened, and meanwhile the display unit 2 displays a fault; other contactor, fuse state detection methods are similar to those described above; PDU insulation detection: one of the insulation detection joints 8 is connected with the shell, and the other insulation detection joint is connected with a contact of the high-voltage connector, during testing, a proper voltage level is selected according to the voltage of the power battery of the whole vehicle, the device can carry out high-voltage detection through the insulation detection joint 8, and whether the insulation value meets the requirement or not is judged (the device can select a reasonable insulation value according to the regulations); high-voltage interlock detection 26: when the type I product is detected, the detection equipment outputs a high-low level output signal 16, then returns to the detection equipment to form backflow, if the detection equipment receives the backflow signal, related information can be displayed on the display unit 2, if the backflow signal cannot be received, the fault indicator lamp is lightened, and meanwhile, the display unit displays a fault; when detecting a class II product, the detection equipment sends an instruction to the high-low interlocking detection 26 module; charging detection 22: when detecting I-type products, only the state of a contactor is detected; when the class II products are detected, the detection equipment sends a charging instruction to the PDU charging detection 22 module to control the contactor to be closed.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be covered by the scope of the present invention within the technical scope of the present invention, and equivalent alternatives or modifications according to the technical solution of the present invention and the concept of the present invention.
Claims (9)
1. The utility model provides a new energy automobile high tension switchgear detection device, includes PDU detection device body (1) and power (3), its characterized in that, PDU detection device body (1) passes through electric connection between electric lead and power (3), and PDU detection device body (1) port passes through the electric lead and is connected with display element (2) port electricity, PDU detection device body (1) one side is connected through plug-in components and low voltage power connector (4), procedure brush interface (7), low voltage signal interface (6), backward flow input connector (5), digital switch (9) and insulating detection connector (8) port electricity, and the electric connection has power conversion circuit (10) between PDU detection device body (1) and power (3).
2. The new energy automobile high-voltage distribution box detection device according to claim 1, wherein a temperature sensor (11), a temperature detection signal (12), a CC, a CP signal (13), a current sensor signal (14), a low-voltage output power supply (15), a high-low level output signal (16), a charging seat electronic lock signal (17), a charging wake-up signal (18) and a charging module (19) are reserved inside the low-voltage signal interface (6), an output end of the low-voltage signal interface (6) is electrically connected with an input end of the temperature sensor (11), an output end of the temperature sensor (11) is electrically connected with an input end of the PDU detection device body (1), an input end of the PDU detection device body (1) is connected with the backflow input connector (5) through a plug-in component, and an input end of the backflow input connector (5) is connected with the temperature detection signal (12), CC. The output ends of the CP signal (13), the current sensor signal (14), the low-voltage output power supply (15), the high-low level output signal (16), the charging seat electronic lock signal (17), the charging wake-up signal (18) and the charging module (19) are connected through a plug-in.
3. The new energy automobile high-voltage distribution box detection device according to claim 1, wherein the display unit (2) comprises a touch screen state detection (20), an insulation detection (21), a charging detection (22), a temperature detection (23), a voltage detection (24), a current detection (25) and a high-low interlocking detection (26), and the output end of the display unit (2) is electrically connected with the input ends of the touch screen state detection (20), the insulation detection (21), the charging detection (22), the temperature detection (23), the voltage detection (24), the current detection (25) and the high-low interlocking detection (26), respectively.
4. The new energy automobile high voltage distribution box detection device according to claim 3, wherein output ends of the touch screen state detection (20), the insulation detection (21), the charging detection (22), the temperature detection (23), the voltage detection (24), the current detection (25) and the high-low interlocking detection (26) are electrically connected with an input end of the PDU detection device body (1).
5. The new energy automobile high voltage distribution box detection device according to claim 1, wherein the power conversion circuit (10) is electrically connected with 220V mains supply through a power supply (3).
6. The new energy automobile high voltage distribution box detection device according to claim 2, characterized in that the type of the temperature sensor (11) is TR29 series.
7. The new energy automobile high voltage distribution box detection device according to claim 1, wherein the low voltage signal interface (6) comprises a plurality of low voltage output power supplies (15)12V/24V, and the wire diameter of the low voltage output power supplies (15) is 2.5 square.
8. The new energy automobile high voltage distribution box detection device according to claim 1, wherein a high voltage detection interface is arranged inside the PDU detection device body (1), and the high voltage detection interface can be set to be single or multiple.
9. The new energy automobile high voltage distribution box detection device according to claim 1, wherein a lamp matched with a complete circuit for use is embedded in the surface of the PDU detection device body (1), and an alarm matched with a fault prompt is embedded in the display unit (2).
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| Application Number | Priority Date | Filing Date | Title |
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| CN201920659994.6U CN211043526U (en) | 2019-05-09 | 2019-05-09 | New energy automobile high voltage distributor box detection device |
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| CN201920659994.6U CN211043526U (en) | 2019-05-09 | 2019-05-09 | New energy automobile high voltage distributor box detection device |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110297135A (en) * | 2019-05-09 | 2019-10-01 | 武汉格罗夫氢能汽车有限公司 | A kind of new-energy automobile high voltage power distribution boxes detecting device |
| CN113625081A (en) * | 2021-08-06 | 2021-11-09 | 句容市江电电器机械有限公司 | Detection tool for production of high-voltage distribution box and detection method thereof |
| CN114019274A (en) * | 2021-10-26 | 2022-02-08 | 深圳市道通合创新能源有限公司 | Detection tool and method for high-voltage component and detection system for new energy automobile |
-
2019
- 2019-05-09 CN CN201920659994.6U patent/CN211043526U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110297135A (en) * | 2019-05-09 | 2019-10-01 | 武汉格罗夫氢能汽车有限公司 | A kind of new-energy automobile high voltage power distribution boxes detecting device |
| CN113625081A (en) * | 2021-08-06 | 2021-11-09 | 句容市江电电器机械有限公司 | Detection tool for production of high-voltage distribution box and detection method thereof |
| CN114019274A (en) * | 2021-10-26 | 2022-02-08 | 深圳市道通合创新能源有限公司 | Detection tool and method for high-voltage component and detection system for new energy automobile |
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Effective date of registration: 20210519 Address after: 046000 7th floor, block a, Yuecheng financial service center, No.36 zhuomaxi street, Changzhi City, Shanxi Province Patentee after: Zhongji hydrogen energy automobile (Changzhi) Co.,Ltd. Address before: Room 101, 1 / F, building 13, phase I, industrial incubation base, east of future third road and south of Keji fifth road, Donghu New Technology Development Zone, Wuhan City, Hubei Province Patentee before: WUHAN LUOGEFU HYDROGEN ENERGY AUTOMOBILE Co.,Ltd. |