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CN-122008961-A - Whole car and battery thermal runaway collection and monitoring system

CN122008961ACN 122008961 ACN122008961 ACN 122008961ACN-122008961-A

Abstract

The invention relates to a whole car and battery thermal runaway acquisition and monitoring system, which belongs to the technical field of thermal runaway acquisition and comprises a monitoring module, a programmable power module, a CAN communication module and a CAN (controller area network) box, wherein the monitoring module is used for monitoring relevant conditions of the whole car and the battery thermal runaway in real time and comprises at least one thermal imaging high-temperature-resistant barrel-type camera, a plurality of conventional cameras, a video recorder and a POE (Power over Ethernet) switch, the data acquisition module is used for acquiring temperature and voltage physical quantities and comprises a data acquisition unit, the data acquisition unit is provided with a plurality of temperature channels, a low-voltage channel, a high-voltage channel, a CAN output channel and a CAN input channel and supports high-speed synchronous acquisition, the external expansion sensor module comprises at least one set of distributed gas sensor unit and is used for acquiring gas components and particle parameters in the thermal runaway process and transmitting data through a CAN interface, and the programmable power module is used for providing a controllable direct current power supply for a test object.

Inventors

  • GU XINBO

Assignees

  • 杭州钛科电气科技有限公司

Dates

Publication Date
20260512
Application Date
20260303

Claims (8)

  1. 1. The utility model provides a whole car and battery thermal runaway collection and monitored control system which characterized in that includes: The monitoring module is used for monitoring the thermal runaway related conditions of the whole vehicle and the battery in real time and comprises at least one thermal imaging high temperature resistant barrel-type camera, a plurality of conventional cameras, a video recorder and a POE switch; the data acquisition module is used for acquiring temperature and voltage physical quantities and comprises a data acquisition unit, wherein the data acquisition unit is provided with a plurality of temperature channels, a low-voltage channel, a high-voltage channel, a CAN output channel and a CAN input channel and supports high-speed synchronous acquisition; the external expansion sensor module comprises at least one set of distributed gas sensor unit and is used for collecting gas components and particulate matter parameters in the thermal runaway process and transmitting data through a CAN interface; the programmable power module is used for providing controllable direct current power for the test object; the CAN communication module comprises a CAN box and is used for accessing additional CAN equipment and synchronously recording data; The main control system module comprises an industrial control computer, an LCD spliced screen and a main control switch and is used for system control, data processing and display; the system software is integrated in the industrial control computer and is used for hardware configuration, test flow editing, data acquisition and recording, monitoring picture capturing, data synchronization and analysis and report generation.
  2. 2. The system for acquiring and monitoring the thermal runaway of the whole vehicle and the battery according to claim 1, wherein the thermal imaging high temperature resistant barrel type camera in the monitoring module has the temperature measuring range of 0-1800 ℃, the precision of +/-2 ℃ and the resolution of 640 multiplied by 512, supports the temperature measurement of points, lines and frames, has the highest temperature cross cursor highlighting and various display color modes, has the working temperature of-20 ℃ -200 ℃, has the protection grade of IP67, and is a 200W pixel POE interface camera.
  3. 3. The system for thermal runaway acquisition and monitoring of whole vehicle and battery according to claim 1, wherein the data acquisition unit of the data acquisition module comprises: 160-channel temperature acquisition, wherein the temperature range is-100 ℃ to 2000 ℃, the precision is +/-1 ℃, the electrical isolation is 1000VDC, and a J\T\K type thermocouple is supported; 16-channel low-voltage acquisition, wherein the range is-10V, the precision is 0.02% F.S., and the isolation is 1000VDC; 4-channel high-voltage acquisition, namely, a range of-2000V to 2000V, 0.02% F.S., and isolation of 1500VDC; The system supports three sets of data acquisition systems at the highest, the acquisition rate can reach 10ms, and 10ms rate synchronous acquisition of 384 channels of the double machine is ensured.
  4. 4. The system for thermal runaway acquisition and monitoring of whole vehicle and battery according to claim 1, wherein the distributed gas sensor unit of the external expansion sensor module integrates a CO 2 sensor, a CO sensor, an O 2 sensor, a PM2.5 sensor, a PM10 sensor, a temperature sensor, a gas pressure sensor, and reserves at least one gas sensor interface.
  5. 5. The system for collecting and monitoring the thermal runaway of the whole vehicle and the battery according to claim 1, wherein the programmable power supply module is a direct current power supply, the output power is 9kW, the output voltage range is 0V to +300V, the current output range is 0A to 30A, 220V direct power supply is supported, and the direct power supply is controlled by the solid state relay and the protection circuit.
  6. 6. The system for acquiring and monitoring the thermal runaway of the whole vehicle and the battery according to claim 1, wherein the system software supports free collocation of hardware combinations, can selectively configure the power supply equipment, the number of cameras, the number of data acquisition channels and the number of gas sensors, supports a programmed editing test process, and comprises the setting of start-stop conditions of the power supply system, the setting of a high-low speed data acquisition strategy, the capture of multi-condition multi-point triggering monitoring pictures, and realizes time coaxiality of all equipment control and recorded data.
  7. 7. The system for acquiring and monitoring the thermal runaway of the whole vehicle and the battery according to claim 1, wherein the system software supports the operation of multiple displays, the main monitor displays a main data real-time curve and a main monitor picture, the picture delay is not more than 100ms, the main monitor displays a man-machine interaction interface of the system, displays all data and equipment states, configures hardware required by projects, edits test flow, carries out test data derivation and report generation, and can display custom names in each picture.
  8. 8. The system for collecting and monitoring the thermal runaway of the whole vehicle and the battery according to claim 1, wherein the data collecting module and the monitoring module can be used independently and respectively have independent control software or video functions, so that the system is convenient to debug before testing.

Description

Whole car and battery thermal runaway collection and monitoring system Technical Field The invention relates to the technical field of thermal runaway acquisition, in particular to a whole car and battery thermal runaway acquisition and monitoring system. Background With the rapid development of new energy automobiles, the safety problem of power batteries is increasingly prominent, and thermal runaway is a key stage of battery safety accidents, and the research on occurrence mechanism, propagation path and hazard effect is important. At present, the existing test system has the following defects: The data acquisition dimension is single, and the data acquisition dimension focuses on partial parameters such as temperature or voltage, and the like, and lacks of synchronous acquisition of multiple physical field parameters such as gas components, particles, pressure, and the like in the thermal runaway process. The system integration level is low, equipment such as data acquisition, monitoring and power supply are mostly independent systems, the time synchronization precision is low, the data correlation is poor, and the comprehensive analysis of the thermal runaway process is difficult to realize. The automation and the intellectualization degree are insufficient, the control of the test flow, the data recording and the analysis are dependent on manual intervention, the test efficiency is low, and human errors are easy to introduce. The expandability and the compatibility are limited, the hardware modules and the acquisition parameters are difficult to flexibly configure according to different test requirements, and the support of the emerging sensor or communication protocol is insufficient. Therefore, developing a set of high-integration, high-synchronism, multi-parameter and automatic whole car and battery thermal runaway acquisition system has important practical significance and application value. Disclosure of Invention In order to overcome the defects in the prior art, the invention provides the Doppler flow detection device which is simple and convenient to operate and low in cost and can keep the detection surface of the detection device and the water surface to be detected at the optimal detection angle all the time for the whole car and the battery thermal runaway acquisition and monitoring system. In order to achieve the above object, the present invention provides a system for collecting and monitoring thermal runaway of a whole vehicle and a battery, comprising: The monitoring module is used for monitoring the thermal runaway related conditions of the whole vehicle and the battery in real time and comprises at least one thermal imaging high temperature resistant barrel-type camera, a plurality of conventional cameras, a video recorder and a POE switch; the data acquisition module is used for acquiring temperature and voltage physical quantities and comprises a data acquisition unit, wherein the data acquisition unit is provided with a plurality of temperature channels, a low-voltage channel, a high-voltage channel, a CAN output channel and a CAN input channel and supports high-speed synchronous acquisition; the external expansion sensor module comprises at least one set of distributed gas sensor unit and is used for collecting gas components and particulate matter parameters in the thermal runaway process and transmitting data through a CAN interface; the programmable power module is used for providing controllable direct current power for the test object; the CAN communication module comprises a CAN box and is used for accessing additional CAN equipment and synchronously recording data; The main control system module comprises an industrial control computer, an LCD spliced screen and a main control switch and is used for system control, data processing and display; the system software is integrated in the industrial control computer and is used for hardware configuration, test flow editing, data acquisition and recording, monitoring picture capturing, data synchronization and analysis and report generation. Further, the temperature measurement range of the thermal imaging high temperature resistant barrel type camera in the monitoring module is 0-1800 ℃, the precision is +/-2 ℃, the resolution is 640 multiplied by 512, the temperature measurement of points, lines and frames is supported, the highest temperature cross cursor highlighting and various display color modes are provided, the working temperature is-20-200 ℃, the protection level is IP67, and the conventional camera is a 200W pixel POE interface camera. Further, the data acquisition unit of the data acquisition module comprises: 160-channel temperature acquisition, wherein the temperature range is-100 ℃ to 2000 ℃, the precision is +/-1 ℃, the electrical isolation is 1000VDC, and a J\T\K type thermocouple is supported; 16-channel low-voltage acquisition, wherein the range is-10V, the precision is 0.02% F.S., and the isolation is 1000VD