CN216771047U - Testing arrangement of new energy automobile engine increases journey ware - Google Patents
Testing arrangement of new energy automobile engine increases journey ware Download PDFInfo
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- CN216771047U CN216771047U CN202220223846.1U CN202220223846U CN216771047U CN 216771047 U CN216771047 U CN 216771047U CN 202220223846 U CN202220223846 U CN 202220223846U CN 216771047 U CN216771047 U CN 216771047U
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Abstract
The utility model belongs to the field of new energy automobile testing, and particularly relates to a testing device of a new energy automobile engine range extender, which comprises a range extender, a fuel oil system, an engine cooling system, a generator cooling system, a GCU (general power supply), a direct current power supply cabinet, a load resistor cabinet, a CAN (controller area network) module, a load relay, a system control cabinet and a test board, wherein the GCU controller is connected with the range extender, the CAN module is connected with the GCU controller, an isolation transformer and an ECU (electronic control unit) switching power supply are arranged in the system control cabinet, the general power supply cabinet provides an alternating current power supply for the system control cabinet and the direct current power supply cabinet, the direct current power supply cabinet provides a direct current power supply for the GCU controller, the load resistor cabinet is connected with the GCU controller through a load relay, the test board is connected with the system control cabinet, and the system control cabinet is connected with the load relay. The testing device can realize comprehensive detection of multiple functions of the engine range extender, avoids product quality accidents and improves the detection work efficiency.
Description
Technical Field
The utility model belongs to the field of new energy automobile testing, and particularly relates to a testing device for a range extender of an engine of a new energy automobile.
Background
Along with the popularization of new energy automobiles at the present stage, the requirements on energy consumption reduction and clean energy are higher and higher, no matter a traditional fuel oil automobile or a new energy automobile is provided with an ECU (electronic control unit) running computer, and a part of new energy automobile models are provided with range-extending engines at present. The range extender assembly is a combination of an engine and a generator. The engine range extender production process needs a functional test link, and a test system of the engine range extender comprises a fuel supply system, a lubricating system, a cooling system and an air intake and exhaust system which are required by a traditional engine, and also needs to detect a range extender generator and a generator controller GCU, so that the engine range extender production process also relates to the test of a high-voltage electrical system, including the tests of the no-load capacity and the load carrying capacity of the range extender motor. At present, the engine range extender of the new energy automobile is tested mainly by independent tests of all parts, such as: the method comprises the steps of engine assembly independent test, motor assembly independent test, GCU controller independent test and the like. The independent testing method can only ensure the control of local functions of each part, but is not beneficial to the quality control of the overall performance of the range extender product, is easy to cause quality accidents such as misjudgment, missed judgment and the like, and also has the problems of complex operation, low operating efficiency and the like.
SUMMERY OF THE UTILITY MODEL
In view of the above situation, the utility model provides a testing device for a range extender of an engine of a new energy automobile, so as to solve the problem of batch, streamlined and systematic dynamic testing of the range extender assembly of the engine.
In order to achieve the purpose, the utility model adopts the following technical scheme:
a testing device of a range extender of a new energy automobile engine comprises a tested range extender consisting of a fuel engine and a generator, a fuel system for supplying fuel to the fuel engine, an engine cooling system for supplying circulating cooling water to the fuel engine and a generator cooling system for supplying circulating cooling water to the generator, and further comprises a GCU controller, a main power cabinet, a direct-current power cabinet, a load resistor cabinet, a CAN module, a load relay, a system control cabinet and a test board, wherein the GCU controller is connected with the range extender, the CAN module is in communication connection with the GCU controller, the CAN module is connected with the range extender, an isolation transformer of AC380V/AC220V and an ECU switching power supply of AC220V/DC12V are arranged in the system control cabinet, an AC380V/DC0-500V direct-current power module is arranged in the direct-current power cabinet, and a 380V alternating-current power supply is provided for the system control cabinet and the power cabinet, the direct current power supply cabinet provides 0-500V direct current power supply for the GCU controller, isolation transformer provides 220V alternating current power supply for the testboard, be provided with operating panel and display on the testboard, ECU switching power supply provides 12V direct current power supply for GCU controller and CAN module, load resistance cabinet passes through load relay and is connected with the GCU controller, is equipped with the PLC controller in the system control cabinet, and the testboard is connected with the system control cabinet, and the system control cabinet is connected with load relay.
Further, a fuel supply port of the range extender is connected to a fuel system, an engine water inlet and a engine water outlet of the range extender are connected to an engine cooling system, a generator water inlet of the range extender is connected to a generator cooling system, a generator water outlet of the range extender is connected to a water inlet of the GCU controller, and a water outlet of the GCU controller is connected to the engine cooling system.
When the range extender is tested, 380V alternating current is converted into 500V direct current through the direct current power supply cabinet, the 500V direct current is input to the GCU controller of the range extender, and the range extender is controlled to be started through a CAN module communication instruction. And after the range extender is started successfully, the range extender is operated at the idling minimum load. The test system controls the load resistance cabinet to be connected and absorb the power generation energy of the range extender through the load relay, and meanwhile, the direct current power supply cabinet quits power supply. In the operation process, the system controls the engine range extender to operate at different rotating speeds/loads by sending different power request instructions; the testing of one range extender is completed, the system control cabinet sends a stop instruction, the GCU controller stops after receiving the stop instruction, the PLC controller controls the fuel oil system to purge residual oil, the load relay controls the load resistance cabinet to be disconnected, preparation is made for the next testing cycle, and whether the range extender is qualified in operation can be manually detected during the operation cycle.
The utility model also includes other components which are conventional in the art and which may be used in the normal course of practice, and further, the utility model is not limited to the disclosed devices or components, which are well known in the art.
The utility model has the following beneficial effects:
the testing device for the engine range extender of the new energy automobile, provided by the utility model, can realize offline detection of multiple basic functions of the engine range extender, such as fuel oil, lubrication, cooling, electric no-load, electric load and the like, can well perform comprehensive quality control on the overall performance of the range extender, avoids product quality accidents, is simple and rapid in testing operation, improves the detection working efficiency, and meets the production efficiency requirement of high beats.
Drawings
FIG. 1 is a schematic topology diagram of a testing device of a range extender of an engine of a new energy automobile in the embodiment.
FIG. 2 is a flow chart of the operation of the testing device of the range extender of the new energy automobile engine in the embodiment.
Detailed Description
The technical solutions of the present invention will be clearly and completely described below with reference to specific embodiments, and it should be understood that the described embodiments are only some embodiments, but not all embodiments, of the present invention.
Examples
As shown in figure 1, the testing device of the new energy automobile engine range extender comprises a tested range extender 1 consisting of a fuel engine and a generator, a fuel oil system 2 for supplying fuel oil to the fuel engine, an engine cooling system 3 for supplying circulating cooling water to the fuel engine, a generator cooling system 4 for supplying circulating cooling water to the generator, a GCU controller 5, a main power cabinet 6, a direct-current power cabinet 7, a load resistor cabinet 8, a CAN module 9, a load relay 10, a system control cabinet 11 and a test bench 12, wherein the GCU controller is connected with the range extender, the CAN module is in communication connection with the GCU controller, the CAN module is connected with the range extender, an isolation transformer of AC380V/AC220V and an ECU switching power supply of AC220V/DC12V are arranged in the system control cabinet, a power module of AC380V/DC0-500V is arranged in the direct-current power cabinet, the main power cabinet provides 380V alternating current power supply for the system control cabinet and the direct current power supply cabinet, the direct current power supply cabinet provides 0-500V direct current power supply for the GCU controller, the isolation transformer provides 220V alternating current power supply for the test bench, an operation panel and a display are arranged on the test bench, the ECU switch power supply provides 12V direct current power supply for the GCU controller and the CAN module, the load resistance cabinet is connected with the GCU controller through a load relay, a PLC controller is arranged in the system control cabinet, the test bench is connected with the system control cabinet, and the system control cabinet is connected with the load relay.
The fuel oil supply port of the range extender is connected to a fuel oil system, the water inlet and the water outlet of the engine are connected to an engine cooling system, the water inlet of the generator is connected to a generator cooling system, the water outlet of the generator is connected to the water inlet of the GCU controller, and the water outlet of the GCU controller is connected to the engine cooling system.
As shown in fig. 2, the test procedure profile of the test apparatus is as follows:
before testing the range extender, firstly, electrifying a main power supply cabinet and a system control cabinet of a testing system, placing the range extender to be tested on a thermal test trolley, and pushing the range extender to a testing device to be in place;
when the test is started, the system further carries out pressure test on an engine fuel system, an engine cooling system and a range-extended generator-GCU cooling liquid pipeline respectively, if the pressure test is unqualified, the system warns and exits a hot test program, and if the pressure test is qualified, the next step is executed;
the GCU/ECU low-voltage direct current 12V is electrified, CAN bus communication inspection is executed after electrification, and CAN bus messages from the GCU, the direct current power supply cabinet and the load resistance cabinet are received; if the communication is abnormal, the system prompts a communication warning, and when the communication is normal, the system sends an instruction to disconnect the load relay and carry out GCU high-voltage electrification;
if the starting condition is met, the system continues to send a starting instruction through the CAN bus to control the direct-current power supply cabinet to supply power to the system, at the moment, the load relay is disconnected, and the load resistance cabinet does not work;
after the range extender is started, the motor of the range extender drags the engine to start and operate, the rotating speed is rapidly increased to a preset idle speed value (such as 1000rpm) after the start is successful, if the rotating speed reaches a preset target, the CAN continues to send an instruction to control and reduce the current output of the direct-current power supply cabinet to 0A, and meanwhile, the PLC controls the closing of the load relay and the access of the load resistance cabinet;
if the bus current of the load resistance cabinet meets a judgment threshold (if the bus current is larger than 1A), the system enters a hot test working condition, the test power generation working condition is adjusted according to a preset PLC program, during the period, the program continuously verifies whether each parameter is in a normal operation range, and if the parameter is abnormal, the system stops the operation after warning;
and (4) normally running for a set time (such as 7min) of the hot test, then automatically sending a GCU stop instruction by the system, stopping the range extender, simultaneously controlling the relay of the load cabinet to be disconnected, and finishing the test.
The technical solution of the present invention is not limited to the above-described specific embodiments, and many modifications and variations will be apparent to those skilled in the art without departing from the scope and spirit of the described embodiments, and any technical modifications within the spirit and principle of the present invention fall within the protection scope of the present invention.
Claims (2)
1. A testing device for a range extender of an engine of a new energy automobile comprises the tested range extender consisting of a fuel engine and a generator, a fuel system for supplying fuel to the fuel engine, an engine cooling system for supplying circulating cooling water to the fuel engine and a generator cooling system for supplying the circulating cooling water to the generator, and is characterized in that: the system comprises a GCU controller, a main power cabinet, a direct-current power cabinet, a load resistor cabinet, a CAN module, a load relay, a system control cabinet and a test bench, wherein the GCU controller is connected with a range extender, the CAN module is in communication connection with the GCU controller and is connected with the range extender, an isolation transformer of AC380V/AC220V and an ECU switch power supply of AC220V/DC12V are arranged in the system control cabinet, a power module of AC380V/DC0-500V is arranged in the direct-current power cabinet, the main power cabinet provides a 380V alternating-current power supply for the system control cabinet and the direct-current power cabinet, the direct-current power cabinet provides a 0-500V direct-current power supply for the GCU controller, the isolation transformer provides a 220V alternating-current power supply for the test bench, an operation panel and a display are arranged on the test bench, the ECU switch power supply provides a 12V power supply for the GCU controller and the CAN module, the load resistance cabinet is connected with the GCU controller through a load relay, the PLC controller is arranged in the system control cabinet, the test board is connected with the system control cabinet, and the system control cabinet is connected with the load relay.
2. The testing device of the new energy automobile engine range extender is characterized in that: the fuel oil supply port of the range extender is connected to a fuel oil system, the water inlet and the water outlet of the engine are connected to an engine cooling system, the water inlet of the generator is connected to a generator cooling system, the water outlet of the generator is connected to the water inlet of the GCU controller, and the water outlet of the GCU controller is connected to the engine cooling system.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220223846.1U CN216771047U (en) | 2022-01-25 | 2022-01-25 | Testing arrangement of new energy automobile engine increases journey ware |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220223846.1U CN216771047U (en) | 2022-01-25 | 2022-01-25 | Testing arrangement of new energy automobile engine increases journey ware |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216771047U true CN216771047U (en) | 2022-06-17 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220223846.1U Active CN216771047U (en) | 2022-01-25 | 2022-01-25 | Testing arrangement of new energy automobile engine increases journey ware |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216771047U (en) |
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2022
- 2022-01-25 CN CN202220223846.1U patent/CN216771047U/en active Active
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