Oil resistance measuring system of power assembly thermal management system

Abstract

According to the oil resistance measuring system for the power assembly thermal management system, the oil resistance measuring system for the power assembly thermal management system is provided for the oil resistance of the power assembly thermal management system, and the oil resistance measuring system is mainly used for measuring the oil resistance of the power assembly thermal management system and can measure the overall oil resistance of the power assembly thermal management system. The oil resistance of the single heat exchangers of the thermal management system can be measured, oil resistance of the single heat exchangers of the thermal management system can be measured, oil resistance of parallel connection, series connection, series-parallel connection and the like of the single heat exchangers of the thermal management system can be measured, and multiple test items can be measured through one system. The testing method is diversified, the overall oil resistance can be reflected, meanwhile, the cost is saved, oil measurement of the power assembly thermal management system in eleven working modes can be completed through one system, repeated purchase of equipment is avoided, meanwhile, the working efficiency is improved, technical support is provided for subsequent development, and the system is suitable for industrial large-scale use and popularization.

Description

Technical Field

[0001] The present invention belongs to the field of vehicle carriers, and in particular relates to an oil resistance measurement system for a powertrain thermal management system. Background Art

[0002] The powertrain is an important part of the vehicle, which determines the power and economy of the vehicle and is the core component of the vehicle. Due to the complex and diversified working conditions of the vehicle, the requirements for the powertrain are high. The powertrain generally requires heat exchange to ensure that the powertrain works in the optimal range. The thermal management system of the powertrain is responsible for energy management of the powertrain to ensure that it works in the optimal range. The resistance of the oil in the powertrain thermal management system has a great influence on the control strategy and economy. Therefore, the measurement of the oil flow resistance is very important, which determines the matching of the thermal management system and the powertrain, the control strategy of the thermal management system, etc.

[0003] The traditional measurement system only measures the inlet and outlet oil pressure of the powertrain thermal management system, without considering the impact of other external factors. The test method is relatively simple and cannot reflect the overall resistance of the powertrain thermal management system oil. Summary of the invention

[0004] The purpose of the present invention is to provide a powertrain thermal management system oil resistance measurement system to solve the problem that the measurement system test method in the prior art is single and cannot comprehensively reflect the oil resistance of the powertrain thermal management system.

[0005] In order to solve the above technical problems, the present invention adopts the following technical solutions to achieve the above problems:

[0006] A powertrain thermal management system oil resistance measurement system, comprising an oil station unit, the oil station unit comprising a main oil tank, and also comprising a control system; an oil pump is provided at the oil outlet of the main oil tank, the output end of the oil pump is connected to the input end of the heat dissipation assembly of the powertrain thermal management system through a pipeline; the output end of the heat dissipation assembly of the powertrain thermal management system is connected to the oil return port of the main oil tank through a pipeline;

[0007] An oil inlet temperature sensor, an oil inlet pressure sensor and an oil inlet flow sensor are sequentially arranged on the pipeline between the oil pump output end and the heat dissipation assembly of the powertrain thermal management system;

[0008] The pipeline between the output end of the heat dissipation assembly of the powertrain thermal management system and the oil return port of the main oil tank is provided with an oil return flow sensor, an oil return pressure sensor and an oil return temperature sensor in sequence;

[0009] The control system includes a controller and a data acquisition device;

[0010] The controller is connected to the data acquisition device and the heat dissipation assembly of the powertrain thermal management system;

[0011] The data acquisition device is connected to the heat dissipation assembly of the powertrain thermal management system, the oil inlet temperature sensor, the oil inlet pressure sensor and the oil inlet flow sensor, the return oil flow sensor, the return oil pressure sensor and the return oil temperature sensor respectively.

[0012] The present invention also has the following features:

[0013] Furthermore, a filtering device is provided inside the main oil tank, and an output end of the filtering device is connected to an input end of the oil pump.

[0014] Furthermore, an oil outlet valve is provided at the output end of the oil pump;

[0015] An oil return valve and a safety valve are sequentially arranged between the output end of the heat dissipation assembly of the powertrain thermal management system and the oil return flow sensor;

[0016] An oil inlet valve is provided at the input end of the heat dissipation assembly of the powertrain thermal management system;

[0017] An oil inlet valve of an oil station is arranged at the oil return port of the main oil tank.

[0018] Furthermore, an oil return device is provided at the oil return port of the main oil tank, and the output end of the heat dissipation assembly of the powertrain thermal management system is connected to the oil return port of the main oil tank through a pipeline via the oil return device;

[0019] Further, the powertrain thermal management system heat dissipation assembly includes a motor heat exchanger, a transmission heat exchanger and a motor controller heat exchanger;

[0020] The controller is connected to the motor heat exchanger, the transmission heat exchanger and the motor controller heat exchanger respectively;

[0021] The data acquisition device is connected to the motor heat exchanger, the transmission heat exchanger and the motor controller heat exchanger respectively;

[0022] The powertrain thermal management system oil resistance measurement system includes eleven working modes:

[0023] Working mode 1: The controller controls the data acquisition device to measure the oil resistance in the motor heat exchanger;

[0024] Working mode 2: The controller controls the data acquisition device to measure the oil resistance in the transmission heat exchanger;

[0025] Working mode three: the controller controls the data acquisition device to measure the oil resistance in the heat exchanger of the motor controller;

[0026] Working mode 4: The controller controls the data acquisition device to measure the oil resistance in the series connection of the motor heat exchanger and the transmission heat exchanger;

[0027] Working mode 5: The controller controls the data acquisition device to measure the oil resistance in the series connection of the motor heat exchanger and the motor controller heat exchanger;

[0028] Working mode six: the controller controls the data acquisition device to measure the oil resistance in the series connection of the transmission heat exchanger and the motor controller heat exchanger;

[0029] Working mode seven: the controller controls the data acquisition device to measure the oil resistance in the series structure of the motor heat exchanger, the transmission heat exchanger and the motor controller heat exchanger;

[0030] Working mode eight: the controller controls the data acquisition device to measure the oil resistance in the parallel combination of the motor heat exchanger and the transmission heat exchanger;

[0031] Working mode nine: the controller controls the data acquisition device to measure the oil resistance in the parallel combination of the motor heat exchanger and the motor controller heat exchanger;

[0032] Working mode ten: the controller controls the data acquisition device to measure the oil resistance in the parallel combination of the transmission heat exchanger and the motor controller heat exchanger;

[0033] Working mode eleven: the controller controls the data acquisition device to measure the oil resistance in the parallel structure of the motor heat exchanger, the transmission heat exchanger and the motor controller heat exchanger.

[0034] Compared with the prior art, the present invention has the following technical effects:

[0035] The powertrain thermal management system oil resistance measurement system of the present invention is aimed at the powertrain thermal management system oil resistance, and proposes a powertrain thermal management system oil resistance measurement system. The system mainly measures the powertrain thermal management system oil resistance, can measure the overall oil resistance of the powertrain thermal management system, can also measure the oil resistance of the thermal management system single heat exchanger, and can also measure the oil resistance of multiple thermal management system single heat exchangers in parallel, series and mixed connection, so that one system can measure multiple test items. The test methods are diverse, and the overall oil resistance can be reflected while saving costs. One system can be used to complete the powertrain thermal management system oil measurement of eleven working modes, avoiding repeated purchase of equipment, and also improving work efficiency, providing technical support for subsequent development, and suitable for large-scale use and promotion in industry. BRIEF DESCRIPTION OF THE DRAWINGS

[0036] Figure 1It is a schematic diagram of the overall structure of the oil resistance measurement system of the powertrain thermal management system of the present invention;

[0037] Figure 2 It is a schematic diagram of the motor heat exchanger, the transmission heat exchanger and the motor controller heat exchanger in the present invention;

[0038] Figure 3 It is a schematic diagram of working modes one to eleven in one embodiment of the present invention.

[0039] The meaning of the symbols in the figure is:

[0040] 1. Main oil tank; 2. Oil pump; 3. Powertrain thermal management system cooling assembly; 4. Oil inlet temperature sensor; 5. Oil inlet pressure sensor; 6. Oil inlet flow sensor; 7. Return oil flow sensor; 8. Return oil pressure sensor; 9. Return oil temperature sensor; 10. Motor heat exchanger; 11. Transmission heat exchanger; 12. Motor controller heat exchanger; 13. Controller; 14. Data acquisition device; 15. Filter device; 16. Oil outlet valve; 17. Oil return valve; 18. Safety valve; 19. Oil station oil inlet valve; 20. Oil return device. DETAILED DESCRIPTION

[0041] It should be noted that, unless otherwise specified, all components in the present invention are components known in the prior art. For example, the controller is a known commonly used controller.

[0042] Specific embodiments of the present invention are given below. It should be noted that the present invention is not limited to the following specific embodiments, and all equivalent changes made on the basis of the technical solution of this application fall within the protection scope of the present invention.

[0043] like Figure 1 and 2 As shown, a powertrain thermal management system oil resistance measurement system includes an oil station unit, the oil station unit includes a main oil tank 1, and also includes a control system; an oil pump 2 is provided at the oil outlet of the main oil tank 1, and the output end of the oil pump 2 is connected to the input end of the powertrain thermal management system heat dissipation assembly 3 through a pipeline; the output end of the powertrain thermal management system heat dissipation assembly 3 is connected to the oil return port of the main oil tank 1 through a pipeline;

[0044] An oil inlet temperature sensor 4, an oil inlet pressure sensor 5 and an oil inlet flow sensor 6 are sequentially arranged on the pipeline between the output end of the oil pump 2 and the heat dissipation assembly 3 of the powertrain thermal management system;

[0045] The pipeline between the output end of the heat dissipation assembly 3 of the powertrain thermal management system and the oil return port of the main oil tank 1 is provided with an oil return flow sensor 7, an oil return pressure sensor 8 and an oil return temperature sensor 9 in sequence;

[0046] The control system includes a controller 13 and a data acquisition device 14;

[0047] The controller 13 is connected to the data acquisition device 14, the motor heat exchanger 10, the transmission heat exchanger 11 and the motor controller heat exchanger 12 respectively; the data acquisition device 14 is connected to the oil inlet temperature sensor 4, the oil inlet pressure sensor 5 and the oil inlet flow sensor 6, the return oil flow sensor 7, the return oil pressure sensor 8 and the return oil temperature sensor 9 respectively.

[0048] When the system is working, the oil in the main oil tank 1 is output through the oil pump 2, and returns to the oil return port of the main oil tank 1 through the powertrain thermal management system heat dissipation assembly 3 to complete a cycle, and the corresponding sensor collects the data of the oil in the cycle;

[0049] The controller 13 controls the data acquisition device 14 to acquire data measured by the corresponding components. Both the controller 13 and the data acquisition device 14 are known existing devices, and the communication between the components is based on known existing methods.

[0050] As a preferred solution, a filter device 15 is provided inside the main oil tank 1, and the output end of the filter device 15 is connected to the input end of the oil pump 2. When the oil is discharged, the oil inside the main oil tank 1 is first filtered.

[0051] As a preferred solution, an oil outlet valve 16 is provided at the output end of the oil pump 2;

[0052] An oil return valve 17 and a safety valve 18 are sequentially arranged between the input end of the heat dissipation assembly 3 of the powertrain thermal management system and the oil return flow sensor 7;

[0053] An oil inlet valve 19 is provided at the oil return port of the main oil tank 1, and the safety of the overall system is enhanced through multiple safety valves.

[0054] Specifically, Figure 3 As shown, the powertrain thermal management system heat dissipation assembly 3 includes a motor heat exchanger 10, a transmission heat exchanger 11 and a motor controller heat exchanger 12; in actual use, the installation or connection method of the motor heat exchanger 10, the transmission heat exchanger 11 and the motor controller heat exchanger 12 in the powertrain thermal management system heat dissipation assembly 3 can be changed according to different test requirements, so as to flexibly change the test object and realize the measurement of the thermal management system oil resistance in different combinations and different modes.

[0055] The powertrain thermal management system heat dissipation assembly 3 includes a motor heat exchanger 10, a transmission heat exchanger 11 and a motor controller heat exchanger 12;

[0056] The controller 13 is connected to the motor heat exchanger 10, the transmission heat exchanger 11 and the motor controller heat exchanger 12 respectively; the data acquisition device 14 is connected to the motor heat exchanger 10, the transmission heat exchanger 11 and the motor controller heat exchanger 12 respectively;

[0057] The controller 13 controls the operation of the motor heat exchanger 10 , the transmission heat exchanger 11 and the motor controller heat exchanger 12 , and controls the data acquisition device 14 to acquire resistance data of corresponding devices.

[0058] The powertrain thermal management system oil resistance measurement system includes eleven working modes:

[0059] Working mode 1: the controller 13 controls the data acquisition device 14 to measure the oil resistance in the transmission heat exchanger 11;

[0060] Working mode 2: the controller 13 controls the data acquisition device 14 to measure the oil resistance in the transmission heat exchanger 11;

[0061] Working mode three: the controller 13 controls the data acquisition device 14 to measure the oil resistance in the motor controller heat exchanger 12;

[0062] Working mode 4: the controller 13 controls the data acquisition device 14 to measure the oil resistance in the series connection of the motor heat exchanger 10 and the transmission heat exchanger 11;

[0063] Working mode five: the controller 13 controls the data acquisition device 14 to measure the oil resistance in the series connection of the motor heat exchanger 10 and the motor controller heat exchanger 12;

[0064] Working mode six: the controller 13 controls the data acquisition device 14 to measure the oil resistance in the series connection of the transmission heat exchanger 11 and the motor controller heat exchanger 12;

[0065] Working mode seven: the controller 13 controls the data acquisition device 14 to measure the oil resistance in the series structure of the motor heat exchanger 10, the transmission heat exchanger 11 and the motor controller heat exchanger 12;

[0066] Working mode eight: the controller 13 controls the data acquisition device 14 to measure the oil resistance in the parallel combination of the motor heat exchanger 10 and the transmission heat exchanger 11;

[0067] Working mode nine: the controller 13 controls the data acquisition device 14 to measure the oil resistance in the parallel combination of the motor heat exchanger 10 and the motor controller heat exchanger 12;

[0068] Working mode ten: the controller 13 controls the data acquisition device 14 to measure the oil resistance in the parallel combination of the transmission heat exchanger 11 and the motor controller heat exchanger 12;

[0069] Working mode eleven: the controller 13 controls the data acquisition device 14 to measure the oil resistance in the parallel structure of the motor heat exchanger 10 , the transmission heat exchanger 11 and the motor controller heat exchanger 12 .

[0070] Through different connection methods of the motor heat exchanger 10, the transmission heat exchanger 11 and the motor controller heat exchanger 12, one set of system can be used to complete the oil measurement of the powertrain thermal management system in eleven working modes, avoiding repeated purchase of equipment, while also improving efficiency and providing technical support for subsequent development and testing.

Claims

1. A powertrain thermal management system oil resistance measurement system, comprising an oil station unit, wherein the oil station unit comprises a main oil tank (1), characterized in that: It also includes a control system; an oil pump (2) is provided at the oil outlet of the main oil tank (1); the output end of the oil pump (2) is connected to the input end of the heat dissipation assembly (3) of the powertrain thermal management system through a pipeline; the output end of the heat dissipation assembly (3) of the powertrain thermal management system is connected to the oil return port of the main oil tank (1) through a pipeline; An oil inlet temperature sensor (4), an oil inlet pressure sensor (5) and an oil inlet flow sensor (6) are sequentially arranged on the pipeline between the output end of the oil pump (2) and the heat dissipation assembly (3) of the powertrain thermal management system; An oil return flow sensor (7), an oil return pressure sensor (8) and an oil return temperature sensor (9) are sequentially arranged on the pipeline between the output end of the powertrain thermal management system heat dissipation assembly (3) and the oil return port of the main oil tank (1); The control system comprises a controller (13) and a data acquisition device (14); The controller (13) is connected to the data acquisition device (14) and the powertrain thermal management system heat dissipation assembly (3); The data acquisition device (14) is respectively connected to the powertrain thermal management system heat dissipation assembly (3), the oil inlet temperature sensor (4), the oil inlet pressure sensor (5), the oil inlet flow sensor (6), the return oil flow sensor (7), the return oil pressure sensor (8) and the return oil temperature sensor (9).

2. The oil resistance measurement system for a powertrain thermal management system according to claim 1, characterized in that: A filter device (15) is arranged inside the main oil tank (1), and the output end of the filter device (15) is connected to the input end of the oil pump (2).

3. The oil resistance measurement system for a powertrain thermal management system according to claim 1, characterized in that: An oil outlet valve (16) is provided at the output end of the oil pump (2); An oil return valve (17) and a safety valve (18) are arranged in sequence between the output end of the heat dissipation assembly (3) of the powertrain thermal management system and the oil return flow sensor (7); An oil inlet valve is provided at the input end of the heat dissipation assembly (3) of the powertrain thermal management system; An oil station oil inlet valve (19) is provided at the oil return port of the main oil tank (1).

4. The oil resistance measurement system for a powertrain thermal management system according to claim 1, characterized in that: An oil return device (20) is provided at the oil return port of the main oil tank (1), and the output end of the heat dissipation assembly (3) of the powertrain thermal management system is connected to the oil return port of the main oil tank (1) through a pipeline via the oil return device (20).

5. The oil resistance measurement system for a powertrain thermal management system according to claim 1, characterized in that: The powertrain thermal management system heat dissipation assembly (3) comprises a motor heat exchanger (10), a transmission heat exchanger (11) and a motor controller heat exchanger (12); The controller (13) is connected to the motor heat exchanger (10), the transmission heat exchanger (11) and the motor controller heat exchanger (12) respectively; The data acquisition device (14) is connected to the motor heat exchanger (10), the transmission heat exchanger (11) and the motor controller heat exchanger (12) respectively; The powertrain thermal management system oil resistance measurement system includes eleven working modes: Working mode 1: the controller (13) controls the data acquisition device (14) to measure the oil resistance in the motor heat exchanger (10); Working mode 2: the controller (13) controls the data acquisition device (14) to measure the oil resistance in the transmission heat exchanger (11); Working mode three: the controller (13) controls the data acquisition device (14) to measure the oil resistance in the heat exchanger (12) of the motor controller; Working mode 4: the controller (13) controls the data acquisition device (14) to measure the oil resistance in the series connection of the motor heat exchanger (10) and the transmission heat exchanger (11); Working mode five: the controller (13) controls the data acquisition device (14) to measure the oil resistance in the series connection of the motor heat exchanger (10) and the motor controller heat exchanger (12); Working mode six: the controller (13) controls the data acquisition device (14) to measure the oil resistance in the series connection of the transmission heat exchanger (11) and the motor controller heat exchanger (12); Working mode seven: the controller (13) controls the data acquisition device (14) to measure the oil resistance in the series structure of the motor heat exchanger (10), the transmission heat exchanger (11) and the motor controller heat exchanger (12); Working mode eight: the controller (13) controls the data acquisition device (14) to measure the oil resistance in the parallel connection of the motor heat exchanger (10) and the transmission heat exchanger (11); Working mode nine: the controller (13) controls the data acquisition device (14) to measure the oil resistance in the parallel connection of the motor heat exchanger (10) and the motor controller heat exchanger (12); Working mode ten: the controller (13) controls the data acquisition device (14) to measure the oil resistance in the parallel structure of the transmission heat exchanger (11) and the motor controller heat exchanger (12); Working mode eleven: the controller (13) controls the data acquisition device (14) to measure the oil resistance in the parallel structure of the motor heat exchanger (10), the transmission heat exchanger (11) and the motor controller heat exchanger (12).

Images