CN111367264B - Thermal management system online test system - Google Patents
Thermal management system online test system Download PDFInfo
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- CN111367264B CN111367264B CN202010367368.7A CN202010367368A CN111367264B CN 111367264 B CN111367264 B CN 111367264B CN 202010367368 A CN202010367368 A CN 202010367368A CN 111367264 B CN111367264 B CN 111367264B
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- 238000012360 testing method Methods 0.000 title claims abstract description 90
- 238000004891 communication Methods 0.000 claims abstract description 24
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 18
- 238000006243 chemical reaction Methods 0.000 claims abstract description 12
- 238000005485 electric heating Methods 0.000 claims abstract description 12
- 239000010865 sewage Substances 0.000 claims abstract description 12
- 238000007726 management method Methods 0.000 claims description 55
- 238000001514 detection method Methods 0.000 claims description 12
- 238000000034 method Methods 0.000 claims description 11
- 238000001816 cooling Methods 0.000 claims description 9
- 230000002159 abnormal effect Effects 0.000 claims description 4
- 238000004458 analytical method Methods 0.000 claims description 4
- 238000010998 test method Methods 0.000 claims description 3
- 238000010586 diagram Methods 0.000 description 5
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000003032 molecular docking Methods 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 101100520231 Caenorhabditis elegans plc-3 gene Proteins 0.000 description 1
- 238000004364 calculation method Methods 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
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- 238000002360 preparation method Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
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Classifications
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B23/00—Testing or monitoring of control systems or parts thereof
- G05B23/02—Electric testing or monitoring
- G05B23/0205—Electric testing or monitoring by means of a monitoring system capable of detecting and responding to faults
- G05B23/0259—Electric testing or monitoring by means of a monitoring system capable of detecting and responding to faults characterized by the response to fault detection
- G05B23/0267—Fault communication, e.g. human machine interface [HMI]
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
- G01D21/00—Measuring or testing not otherwise provided for
- G01D21/02—Measuring two or more variables by means not covered by a single other subclass
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- Engineering & Computer Science (AREA)
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- Automation & Control Theory (AREA)
- Testing Of Devices, Machine Parts, Or Other Structures Thereof (AREA)
Abstract
本发明公开了热管理系统在线测试系统，包括：PLC控制器、工业电脑、CN通讯模块、小型继电器组、控制器组、变频模块、测试管路、测试循环泵、传感器模块组、流量计、气动阀均集成设置在控制柜内；循环水箱设置在控制柜的外部，循环水箱上设置有电加热棒和排污水泵，电加热棒通过控制器组与小型继电器组连接，排污水泵通过控制器组与小型继电器组连接；PLC控制器与工业电脑连接，工业电脑与CN通讯模块连接，CN通讯模块用于采集热管理系统的温度、速度和流量数据信息并将采集的数据信息传输给工业电脑。本发明可对热管理系统多个数据参数进行测试，且安装检测方便。
The invention discloses an online test system for a thermal management system, including: a PLC controller, an industrial computer, a CN communication module, a small relay group, a controller group, a frequency conversion module, a test pipeline, a test circulation pump, a sensor module group, a flow meter, and a pneumatic valve are all integrated and arranged in a control cabinet; a circulating water tank is arranged outside the control cabinet, an electric heating rod and a sewage pump are arranged on the circulating water tank, the electric heating rod is connected to the small relay group through the controller group, and the sewage pump is connected to the small relay group through the controller group; the PLC controller is connected to the industrial computer, the industrial computer is connected to the CN communication module, and the CN communication module is used to collect temperature, speed and flow data information of the thermal management system and transmit the collected data information to the industrial computer. The invention can test multiple data parameters of the thermal management system, and is easy to install and detect.
Description
Technical Field
The invention relates to the technical field of detection devices, in particular to an online test system of a thermal management system.
Background
At present, the simple detection of the vehicle thermal management system can be only carried out:
1. Detecting whether the product has leakage or not and whether the mounting fittings are loosened or not;
2. when the power-on detection is performed, the number of wires is relatively large, and various water pipes and detection instruments are arranged on site and are relatively complicated to use;
3. all detected data need to be recorded by site labor harvesting, and after detection is finished, more pipeline dismounting operations need to be carried out, so that the operation efficiency is low.
Disclosure of Invention
The invention aims to provide an online test system of a heat management system.
To achieve the above object, the present invention adopts the following:
The on-line test system of the thermal management system comprises a control cabinet, a PLC (programmable logic controller), an industrial computer, a CN (customer-network) communication module, a small relay group, a controller group, a frequency conversion module, a test pipeline, a test circulating pump, a sensor module group, a flowmeter, a pneumatic valve, a circulating water tank, an electric heating rod and a sewage discharge pump, wherein the PLC, the industrial computer, the CN communication module, the small relay group, the controller group, the frequency conversion module, the test pipeline, the test circulating pump, the sensor module group, the flowmeter and the pneumatic valve are all integrally arranged in the control cabinet, the pneumatic valve, the sensor module group, the flowmeter, the test circulating pump and the circulating water tank are arranged on the test pipeline, the small relay group, the sensor module group and the flowmeter are respectively connected with the PLC through wires, and the test circulating pump is sequentially connected with the small relay group through the frequency conversion module and the controller group, and the pneumatic valve is connected with the small relay group through wires;
The circulating water tank is arranged outside the control cabinet, an electric heating rod and a sewage pump are arranged on the circulating water tank, the electric heating rod is connected with the small relay set through the controller set, and the sewage pump is connected with the small relay set through the controller set;
The PLC is connected with the industrial computer through a communication cable, the industrial computer is connected with the CN communication module through a wire, and the CN communication module is used for collecting temperature, speed and flow data information of the thermal management system and transmitting the collected data information to the industrial computer.
Preferably, the sensor module group comprises a temperature sensor and a pressure sensor, and the temperature sensor and the pressure sensor are connected with the PLC through wires.
Preferably, the system further comprises an input device for inputting process parameters of the thermal management system to the industrial computer.
Preferably, the input device is a keyboard, a mouse and/or a wireless code scanner.
Preferably, the system further comprises a printing device, wherein the printing device is arranged in the control cabinet and connected with the industrial computer, and is used for outputting a test report according to an analysis result of the industrial computer.
Preferably, the intelligent control system further comprises an alarm which is arranged at the top of the control cabinet and is used for giving out sound and/or light early warning according to whether the data information monitored by the industrial computer in real time exceeds a preset threshold value.
Preferably, the intelligent control cabinet further comprises a cooling fan, wherein the cooling fan is installed on the control cabinet and is connected with the industrial computer through a wire.
Preferably, the system further comprises an ERP interface module for carrying out data connection with an external enterprise ERP system through a TCP/IP protocol.
An on-line test method for a thermal management system comprises the following steps of inputting self-organized test technological parameters, detection parameters and numerical values of the detection parameters into a PLC (programmable logic controller) manually or through an ERP (Enterprise resource planning) system, automatically judging the type of an air compressor by the thermal management system test system, sending control instructions to test the thermal management system, collecting test data of the thermal management system in real time through a collection sensor module group and comparing the test data with the numerical values of the detection parameters, sending early warning instructions to an air compressor test device to early warn if the data are abnormal, and generating a thermal management system test report if the data are normal.
Preferably, the process parameters include equipment model, outlet temperature, outlet pressure, exhaust pressure, run time, voltage, current, power factor, and maximum pressure.
The invention has the following advantages:
1. The test system can test various vehicle thermal management system products, automatically switch operation flows, output uniformly and improve operation efficiency;
2. The CN communication system is added, so that the internal state of the thermal management for the vehicle can be tested, the variety of the thermal management system for the vehicle can be tested by the test bench is expanded, and the test requirements of the test version parts of the electric vehicle are better met;
3. The storage function of the system is increased, different test process parameters are stored, the effect of one-time editing and multiple use is achieved, and the test efficiency is improved;
4. the system output processing function is increased, the system automatically outputs a test report after the test is finished, the operation difficulty is reduced, and the operation flow is simplified;
5. The ERP docking interface is reserved in the system, remote operation and management of operators can be achieved after docking, and efficiency is improved.
Drawings
The following describes the embodiments of the present invention in further detail with reference to the drawings.
FIG. 1 is a schematic diagram of a thermal management system on-line testing system of the present invention;
FIG. 2 is a schematic diagram of the front structure of a control cabinet in the on-line testing system of the thermal management system of the present invention;
FIG. 3 is a schematic diagram of the front structure of a control cabinet in the on-line testing system of the thermal management system of the present invention;
FIG. 4 is a circuit diagram of a PLC controller of the thermal management system on-line test system of the present invention;
FIG. 5 is a main circuit diagram of the thermal management system on-line test system of the present invention;
In the drawings, each reference numeral is:
The intelligent electronic control system comprises a 1-control cabinet, a 2-PLC (programmable logic controller), a 3-industrial computer, a 31-display, a 4-CN communication module, a 5-miniature relay set, a 6-controller set, a 7-frequency conversion module, an 8-test pipeline, a 9-test circulating pump, a 10-sensor module set, an 11-flowmeter, a 12-pneumatic valve, a 13-circulating water tank, a 131-electric heating rod, a 132-sewage pump, a 14-intelligent instrument, a 15-keyboard, a mouse, a 16-thermal management system, a 161-inlet, a 162-outlet, a 17-wireless code scanning gun, a 171-code scanning gun bracket, 18-printing equipment, a 19-alarm, a 20-cooling fan, a 21-ERP interface module, a 22-switching power supply, a 23-air switch, a 24-output terminal set and a 25-drawer.
Detailed Description
In order to more clearly illustrate the present invention, the present invention will be further described with reference to preferred embodiments. It is to be understood by persons skilled in the art that the following detailed description is illustrative and not restrictive, and that this invention is not limited to the details given herein.
In the description of the present invention, it should be understood that the terms "center," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like indicate orientations or positional relationships based on the orientation or positional relationships shown in the drawings, merely to facilitate describing the present invention and simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present invention.
In the description of the present invention, unless explicitly stated and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected, directly connected, or indirectly connected through an intermediary, or may be in communication with the interior of two elements. The specific meaning of the above terms in the present invention will be understood in specific cases by those of ordinary skill in the art.
The on-line test system of the thermal management system comprises a control cabinet 1, a PLC (programmable logic controller) 2, an industrial computer 3, a CN communication module 4, a small relay group 5, a preparation group 6, a frequency conversion module 7, a test pipeline 8, a test circulation pump 9, a sensor module group 10, a flowmeter 11, a pneumatic valve 12, a circulation water tank 13, an electric heating rod 14 and a sewage pump 15, wherein the PLC 2, the industrial computer 3, the CN communication module 4, the small relay group 5, the controller group 6, the frequency conversion module 7, the test pipeline 8, the test circulation pump 9, the sensor module group 10, the flowmeter 11 and the pneumatic valve 12 are all integrally arranged in the control cabinet 1, the pneumatic valve 12, the sensor module group 10, the flowmeter 11, the test circulation pump 9 and the circulation water tank 13 are arranged on the test pipeline 8, one end of the test pipeline 8 is connected with an inlet 161 in the thermal management system 16, and the other end of the test pipeline 8 is connected with an outlet 162 of the thermal management system 16, the small relay group 5, the sensor module group 10 and the flowmeter 11 are respectively connected with an output terminal group 24 of the PLC 2 through wires, and the small relay group 9 and the pneumatic valve group 5 are sequentially connected with the small relay group 5 through the frequency conversion module group 10 and the pneumatic valve 12;
The circulating water tank 13 is fixedly arranged outside the control cabinet 1, an electric heating rod 131 and a sewage pump 132 are arranged on the circulating water tank 13, the electric heating rod 131 is connected with the small relay set 5 through the controller set 6, and the sewage pump 132 is connected with the small relay set 5 through the controller set 6;
The PLC 3 is connected with the industrial computer 4 through a communication cable, the industrial computer 4 is connected with the CN communication module 5 through a wire, the CN communication module 5 is used for collecting temperature, speed and flow data information of the thermal management system 16 and transmitting the collected data information to the industrial computer 3, wherein the industrial computer 3 is used for analyzing and processing the temperature, speed and flow data information of the thermal management system 16 collected by the CN communication module 5 and the data information collected by the sensor module group 10, the industrial computer 3 comprises a display 31, the display 31 is used for displaying the data information processed by the industrial computer 3 in real time, and the PLC 2 is used for judging the type of the thermal management system 16 and controlling the small relay group 5 to work according to technological parameters.
Further, the sensor module set 10 includes a temperature sensor and a pressure sensor, both of which are connected to the PLC controller through wires, for collecting real-time temperature and pressure data information of the thermal management system 16. The noise sensor, the current transformer and the voltage power measurer can be further arranged according to requirements, the noise sensor is connected with the PLC controller 2 through wires, and the current transformer and the voltage power measurer are connected with the intelligent instrument 14 through wires.
Further, the device also comprises an input device, wherein the input device comprises a keyboard, a mouse 15 and/or a wireless code scanning gun 17, the keyboard and the mouse 15 are placed in a drawer 25 of the control cabinet 1, the wireless code scanning gun 17 is arranged on a code scanning gun bracket 171 of the control cabinet 1, the input device is used for inputting the technological parameters of the thermal management system to the industrial computer 3, and the industrial computer can store the inputted technological parameters so as to test the thermal management system of the same type at a later stage, avoid secondary input and submit detection efficiency.
Further, the system further comprises a printing device 18, wherein the printing device 18 is arranged in the control cabinet 1 and connected with the industrial computer 3, and is used for outputting a test report according to the analysis result of the industrial computer 3 for an operator to check.
Further, the intelligent control system further comprises an alarm 19, wherein the alarm 19 is arranged at the top of the control cabinet 1, and is used for giving out sound and/or light early warning according to whether the data information monitored by the industrial computer 3 in real time exceeds a preset threshold value in the testing process, so that the safety of a system and operators is ensured.
Further, still include cooling fan 20, install cooling fan 20 on the switch board 1, cooling fan 20 passes through the wire and is connected with industrial computer 3, and when the temperature of test is too high, start fan cooling 20, ensure test system's safety.
Further, the system further comprises an ERP interface module 21 for performing data connection with an external enterprise ERP system through a TCP/IP protocol.
Further, a switch power supply 22 and an air switch 23 are also arranged in the control cabinet 1, the switch power supply 22 is used for starting the testing device, and the air switch 23 is used for protecting the testing system from current overload.
An on-line test method for a thermal management system comprises the following steps:
The ERP system or the local operator of the test bench sends self-programming test process parameters to the PLC controller 2 through an industrial computer 3 through a Modbus RTU protocol, the PLC controller 2 identifies the type of the vehicle thermal management system 16 to be tested and the items (flow resistance, leakage, flow rate and efficiency) to be tested according to the product type field in the process parameters, then the PLC controller 2 starts a small relay group 5, the small relay group 5 drives a pneumatic valve 12 of a corresponding controller group 6 to control water inlet and outlet pressure, the output water pressure and flow rate are regulated through a frequency conversion module 7, and the test flow rate is collected through a flowmeter 11, wherein the process parameters comprise equipment model, outlet temperature, outlet pressure, exhaust pressure, running time, voltage, current, power factors and highest pressure;
The CN communication module 4 sends a control instruction to the thermal management system 16 to control the operation of the product, and simultaneously collects parameters such as temperature, speed, flow, state and the like in the thermal management system 16, and feeds back the internal data of the thermal management system 16 to the industrial computer 3 for storage through the CN communication module 4;
3. in the whole test process, various sensors of temperature, pressure, noise and flow in the test system continuously read test parameters, the industrial computer 3 collects, shapes and re-outputs parameters of the thermal management system 16 in real time, the system monitors the test system in real time according to a preset pressure threshold value, a preset temperature threshold value, a preset flow threshold value and the like in the test process, an alarm (LED three-color audible and visual alarm) 19 is automatically started once the parameters are abnormal, the safety of the system and operators is ensured, and after the parameters are not abnormal, a series of data information of leakage, flow resistance, efficiency, flow and the like of the thermal management system for the vehicle is obtained according to analysis and calculation of data collected in a test time period.
It should be apparent that the foregoing examples of the on-line testing system of the thermal management system of the present invention are merely illustrative of the present invention and not limiting of the embodiments of the present invention, and that various other changes and modifications can be made by those skilled in the art based on the foregoing description, and it is not intended to be exhaustive of all the embodiments, and all the obvious changes and modifications coming within the scope of the invention are intended to be covered by the appended claims.
Claims (9)
1. The on-line test system for the thermal management system is characterized by comprising a control cabinet, a PLC (programmable logic controller), an industrial computer, a CN (computer-aided network) communication module, a small relay group, a controller group, a frequency conversion module, a test pipeline, a test circulating pump, a sensor module group, a flowmeter, a pneumatic valve, a circulating water tank, an electric heating rod and a sewage pump, wherein the PLC, the industrial computer, the CN communication module, the small relay group, the controller group, the frequency conversion module, the test pipeline, the test circulating pump, the sensor module group, the flowmeter and the pneumatic valve are all integrally arranged in the control cabinet, the test pipeline is provided with the pneumatic valve, the sensor module group, the flowmeter, the test circulating pump and the circulating water tank, the small relay group, the sensor module group and the flowmeter are respectively connected with the PLC through wires, and the test circulating pump is sequentially connected with the small relay group through the frequency conversion module and the controller group, and the pneumatic valve is connected with the small relay group through wires;
The circulating water tank is arranged outside the control cabinet, an electric heating rod and a sewage pump are arranged on the circulating water tank, the electric heating rod is connected with the small relay set through the controller set, and the sewage pump is connected with the small relay set through the controller set;
The PLC is connected with an industrial computer through a communication cable, the industrial computer is connected with the CN communication module through a wire, and the CN communication module is used for collecting temperature, speed and flow data information of the thermal management system and transmitting the collected data information to the industrial computer;
The online test method of the thermal management system comprises the steps of inputting self-organized test technological parameters, detection parameters and numerical values of the detection parameters into a PLC (programmable logic controller) manually or through an ERP (Enterprise resource planning) system, automatically judging the type of an air compressor by the thermal management system test system, sending control instructions to test the thermal management system, collecting test data of the thermal management system in real time through a collection sensor module group and comparing the test data with the numerical values of the detection parameters, sending an early warning instruction to an air compressor test device to early warn if the data are abnormal, and generating a thermal management system test report if the data are normal.
2. The on-line test system of a thermal management system of claim 1, wherein the set of sensor modules comprises a temperature sensor and a pressure sensor, both of which are connected to the PLC controller by wires.
3. The on-line thermal management system testing system of claim 1, further comprising an input device for inputting process parameters of the thermal management system to the industrial computer.
4. The thermal management system online test system of claim 3, wherein the input device is a keyboard, a mouse, and/or a wireless code scanner.
5. The on-line test system of a thermal management system according to claim 1, further comprising a printing device disposed in the control cabinet and connected to the industrial computer for outputting a test report according to an analysis result of the industrial computer.
6. The on-line test system of a thermal management system according to claim 1, further comprising an alarm disposed on top of the control cabinet for sounding and/or optically pre-warning based on whether the data information monitored in real time by the industrial computer exceeds a preset threshold.
7. The on-line test system of a thermal management system of claim 1, further comprising a cooling fan mounted on the control cabinet, the cooling fan being connected to the industrial computer by a wire.
8. The thermal management system online test system of claim 1, further comprising an ERP interface module for data connection with an external enterprise ERP system via a TCP/IP protocol.
9. The on-line test system of a thermal management system of claim 1, wherein the process parameters comprise a device model, an outlet temperature, an outlet pressure, an exhaust pressure, a run time, a voltage, a current, a power factor, and a maximum pressure.
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| CN113203588B (en) * | 2021-04-26 | 2022-04-01 | 浙江大学 | Multi-stage gravity type self-flowing liquid working medium heat management performance testing system and method |
| CN113566871A (en) * | 2021-07-21 | 2021-10-29 | 无锡威孚力达催化净化器有限责任公司 | Diesel vehicle aftertreatment sensor detection system |
| CN114326870A (en) * | 2021-11-10 | 2022-04-12 | 江苏华洋新思路能源装备股份有限公司 | Adjustable hot water flow testing arrangement |
| CN117890782A (en) * | 2024-01-12 | 2024-04-16 | 深圳大学 | A geothermal thermovoltaic power generation comprehensive performance test platform and test system |
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| CN108776025A (en) * | 2018-06-11 | 2018-11-09 | 江西江铃集团新能源汽车有限公司 | The heat management system test platform of power drive system |
| CN211669546U (en) * | 2020-04-30 | 2020-10-13 | 苏州鹏迈智能科技有限公司 | Online test system of thermal management system |
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| US9354621B2 (en) * | 2014-06-16 | 2016-05-31 | General Electric Company | Systems and methods for control of an adaptive-cycle engine with power-thermal management system |
| CN208421189U (en) * | 2018-06-12 | 2019-01-22 | 南京骏睿新能源汽车科技有限公司 | A kind of power battery heat management is test bed |
| RU184856U1 (en) * | 2018-06-27 | 2018-11-12 | Публичное акционерное общество "КАМАЗ" | STAND FOR TESTING OIL PUMPS OF THE INTERNAL COMBUSTION ENGINE |
| CN109238762A (en) * | 2018-10-18 | 2019-01-18 | 苏州鹏迈智能科技有限公司 | Automobile air compressor online testing device, system and method |
| CN110009876B (en) * | 2019-04-03 | 2024-12-06 | 广东省特种设备检测研究院珠海检测院 | A heat exchanger operating condition online monitoring alarm device and method |
| CN209908743U (en) * | 2019-05-27 | 2020-01-07 | 武汉雄韬氢雄燃料电池科技有限公司 | Mobile hydrogen fuel cell automobile air compressor testing device |
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| CN108776025A (en) * | 2018-06-11 | 2018-11-09 | 江西江铃集团新能源汽车有限公司 | The heat management system test platform of power drive system |
| CN211669546U (en) * | 2020-04-30 | 2020-10-13 | 苏州鹏迈智能科技有限公司 | Online test system of thermal management system |
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