Control methods, devices, storage media, and vehicles for oil pump test benches

Abstract

This invention discloses a control method, device, storage medium, and vehicle for an oil pump test bench. The method includes: acquiring the operating mode of the oil pump; determining structural information matching the operating mode, wherein the structural information represents the structure of the test equipment used to test the oil pump; determining an oil pump test bench with the structural information, and controlling the oil pump test bench to test the oil pump, wherein the test equipment includes the oil pump test bench. This invention solves the technical problem that existing oil pump test bench designs are difficult to cover the actual operating conditions of real vehicles.

Description

Technical Field

[0001] This invention relates to the field of oil pumps, and more specifically, to a control method, apparatus, storage medium, and vehicle for an oil pump test bench. Background Technology

[0002] Currently, hydraulic control systems are commonly used in the transmission systems of various vehicles. However, hydraulic control systems cannot function without oil pump components to supply hydraulic oil. At the same time, oil pump components are also the source of control for oil circuits or the cooling and lubrication of clutches, shafts, and gears. Existing test bench solutions have low adaptability to electric oil pumps and few test scenarios, which makes it difficult for oil pump test bench solutions to cover the technical problems of actual vehicle use conditions.

[0003] There is currently no effective solution to the technical problem that the aforementioned oil pump test bench design cannot cover the actual operating conditions of real vehicles. Summary of the Invention

[0004] This invention provides a control method, device, storage medium, and vehicle for an oil pump test bench, to at least solve the technical problem that existing oil pump test bench solutions cannot cover the actual operating conditions of real vehicles.

[0005] According to one aspect of the present invention, a control method for an oil pump test bench is provided. The method may include: acquiring an operating mode of the oil pump; determining structural information matching the operating mode, wherein the structural information represents the structure of a test apparatus for testing the oil pump; determining an oil pump test bench with the structural information, and controlling the oil pump test bench to test the oil pump, wherein the test apparatus includes the oil pump test bench.

[0006] Optionally, determining structural information matching the operating mode includes: in response to the operating mode being mechanical mode, determining structural information as first structural information, wherein the first structural information is used to indicate the rear coupling connecting the oil pump test bench, the installation of gears matching the oil pump, and the connection of the oil pump fixture of the oil pump test bench to the oil pump base of the oil pump test bench; in response to the operating mode being electric mode, determining structural information as second structural information, wherein the second structural information is used to indicate the disconnection of the rear coupling, the disassembly of the splined shaft of the oil pump test bench, the connection of the oil pump fixture to the oil pump base, and the connection of the electric oil pump and controller of the oil pump test bench.

[0007] Optionally, after determining the structural information matching the operating mode, the control method of the oil pump test bench further includes: acquiring the target oil temperature in the oil pump test bench; and controlling the oil temperature control unit of the oil pump test bench based on the target oil temperature, wherein the oil temperature control unit includes a heater and a refrigeration unit.

[0008] Optionally, based on the target oil temperature, the oil temperature control unit of the oil pump test bench includes: in response to the target oil temperature being greater than the oil temperature threshold, controlling the heater via the host computer of the oil pump test bench to adjust the current oil temperature in the oil pump test bench to the target oil temperature; and in response to the target oil temperature being less than or equal to the oil temperature threshold, controlling the refrigeration unit via the host computer to adjust the current oil temperature to the target oil temperature.

[0009] Optionally, after controlling the oil temperature control unit of the oil pump test bench based on the target oil temperature, the control method of the oil pump test bench further includes: collecting and storing the adjusted oil temperature through the data acquisition system of the oil pump test bench to obtain the adjustment result; and controlling the oil pump test bench to test the oil pump in response to the adjustment result that the adjusted oil temperature has been adjusted to the target oil temperature.

[0010] Optionally, in addition to controlling the oil pump test bench to test the oil pump in response to the adjustment result that the adjusted oil temperature has been adjusted to the target oil temperature, the control method of the oil pump test bench also includes: in response to the adjustment result that the adjusted oil temperature has not been adjusted to the target oil temperature, uploading the adjustment result to the cloud and testing the oil pump test bench.

[0011] According to one aspect of the present invention, a control device for an oil pump test bench is provided. The device may include: a first acquisition unit for acquiring an operating mode of an oil pump; a determination unit for determining structural information matching the operating mode, wherein the structural information represents the structure of a test apparatus for testing the oil pump; and a first control unit for determining the oil pump test bench with the structural information and controlling the oil pump test bench to test the oil pump, wherein the test apparatus includes the oil pump test bench.

[0012] According to another aspect of the present invention, a computer-readable storage medium is also provided. The computer-readable storage medium includes a stored program, wherein, when the program is executed, it controls the device containing the computer-readable storage medium to perform the control method for the oil pump test bench according to the embodiments of the present invention.

[0013] According to another aspect of the present invention, a processor is also provided. The processor is used to run a program, wherein the program, when run by the processor, executes the control method for the oil pump test bench according to the embodiments of the present invention.

[0014] According to another aspect of the present invention, a vehicle is also provided, which is used to perform the control method of the oil pump test bench according to the embodiments of the present invention.

[0015] In this embodiment of the invention, the working mode of the oil pump is obtained, and structural information matching the working mode is determined according to different working modes. When the structural information is determined, an oil pump test bench with the structural information is determined, and the oil pump test bench is controlled to test the oil pump, thereby achieving the goal of accurately controlling the oil temperature from low temperature to high temperature. This solves the technical problem that the oil pump test bench solution is difficult to cover the actual vehicle operating conditions, and realizes the technical effect that the oil pump test bench solution can cover the actual vehicle operating conditions. Attached Figure Description

[0016] The accompanying drawings, which are included to provide a further understanding of the invention and form part of this application, illustrate exemplary embodiments of the invention and, together with their description, serve to explain the invention and do not constitute an undue limitation thereof. In the drawings:

[0017] Figure 1 This is a flowchart of a control method for an oil pump test bench according to an embodiment of the present invention;

[0018] Figure 2(a) is a schematic diagram of the structure of an oil pump test bench according to an embodiment of the present invention;

[0019] Figure 2(b) is a schematic diagram of a support guide base structure according to an embodiment of the present invention;

[0020] Figure 2(c) is a schematic diagram of an example of an oil pump installation according to an embodiment of the present invention;

[0021] Figure 3 This is a flowchart of an installation method for an oil pump test bench according to an embodiment of the present invention;

[0022] Figure 4 This is a flowchart of a control method for an oil pump test bench according to an embodiment of the present invention;

[0023] Figure 5 This is a schematic diagram of a test principle for the pressure-flow characteristics of an oil pump according to an embodiment of the present invention;

[0024] Figure 6 This is a schematic diagram of a control device for an oil pump test bench according to an embodiment of the present invention. Detailed Implementation

[0025] To enable those skilled in the art to better understand the present invention, the technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present invention. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort should fall within the scope of protection of the present invention.

[0026] It should be noted that the terms "first," "second," etc., in the specification, claims, and accompanying drawings of this invention are used to distinguish similar objects and are not necessarily used to describe a specific order or sequence. It should be understood that such data can be interchanged where appropriate so that the embodiments of the invention described herein can be implemented in orders other than those illustrated or described herein. Furthermore, the terms "comprising" and "having," and any variations thereof, are intended to cover a non-exclusive inclusion; for example, a process, method, system, product, or apparatus that comprises a series of steps or units is not necessarily limited to those steps or units explicitly listed, but may include other steps or units not explicitly listed or inherent to such processes, methods, products, or apparatus.

[0027] Example 1

[0028] According to an embodiment of the present invention, a control method for an oil pump test bench is provided. It should be noted that the steps shown in the flowchart in the accompanying drawings can be executed in a computer system such as a set of computer-executable instructions. Furthermore, although a logical order is shown in the flowchart, in some cases, the steps shown or described may be executed in a different order than that shown here.

[0029] Figure 1 This is a flowchart of a control method for an oil pump test bench according to an embodiment of the present invention. The method may include the following steps:

[0030] Step S101: Obtain the operating mode of the oil pump.

[0031] In the technical solution provided by step S101 of the present invention, the working mode of the oil pump may include: mechanical working mode and electric working mode. This is only an example and is not specifically limited.

[0032] Optionally, the oil pump in mechanical working mode (also known as a mechanical oil pump) is a traditional fuel supply system. The mechanical oil pump may include components such as a pump body, a cam, and a piston. The mechanical oil pump can use a rotating cam to drive the piston to draw in fuel, and then inject the fuel into the intake manifold through the fuel injector.

[0033] Optionally, the fuel pump in electric operating mode (also known as an electric fuel pump) can be controlled by an electronic control unit to deliver fuel into the high-pressure fuel line and then inject fuel into the intake manifold through the fuel injector.

[0034] Step S102: Determine the structural information that matches the working mode.

[0035] In the technical solution provided by step S102 of the present invention, the above-mentioned structural information can be used to represent the structure of the test equipment for testing the oil pump. The above-mentioned structural information can be the structural information of a mechanical oil pump that matches the mechanical working mode, or the above-mentioned structural information can be the structural information of an electric oil pump that matches the electric working mode.

[0036] Optionally, after obtaining the working mode of the oil pump, structural information matching the working mode is determined. For example, it is determined whether the working mode of the oil pump is a mechanical working mode or an electric working mode. If the working mode of the oil pump is a mechanical working mode, the structural information of the mechanical oil pump matching the mechanical working mode is determined. If the working mode of the oil pump is an electric working mode, the structural information of the electric oil pump matching the electric working mode is determined.

[0037] Step S103: Determine the oil pump test bench with structural information, and control the oil pump test bench to test the oil pump.

[0038] In the technical solution provided by step S103 of the present invention, the test equipment may include an oil pump test bench, wherein the oil pump test bench may be a bench with structural information of a mechanical oil pump that matches the mechanical working mode, or the oil pump test bench may be a bench with structural information of an electric oil pump that matches the electric working mode.

[0039] Optionally, after determining the structural information that matches the working mode, a test bench for an oil pump with the structural information is determined, and the test bench is controlled to test the oil pump. For example, the type of the determined structural information is judged. If the determined structural information is the structural information of a mechanical oil pump that matches the mechanical working mode, then a test bench for an oil pump with the structural information is determined and built, and the test bench is controlled to test the oil pump under actual vehicle operating conditions. If the determined structural information is the structural information of an electric oil pump that matches the electric working mode, then a test bench for an oil pump with the structural information is determined and built, and the test bench is controlled to test the oil pump under actual vehicle operating conditions.

[0040] Optionally, the oil pump test bench may include: a bench base, a high-speed motor, a front coupling, a drive shaft, a bearing housing, a torque meter, a rear coupling, an environmental chamber, a test oil tank, a splined shaft, an oil pump base, an oil tank heater, a cold air duct, a refrigeration unit, and a worm gear.

[0041] Optionally, the high-speed motor can be mounted on the test bench base, the front coupling can be connected to the high-speed motor, the drive shaft can be connected to the front coupling, the drive shaft can be fixedly supported by bearings in the bearing housing, the torque meter can be used to measure the torque transmitted by the drive shaft, the rear coupling can be connected to the drive shaft, the environmental chamber can be used to provide the test bench temperature conditions, the test sample and device can be installed in the test oil tank, the splined shaft can be connected to the rear coupling to drive the oil pump, the oil pump base can be equipped with the oil pump mounting plate to fix the oil pump, the oil tank heater can be used to heat the oil, and the cold air duct can be connected to the environmental chamber and the refrigeration unit, which can be used to provide cold air to the environmental chamber.

[0042] Optionally, the oil pump base may include a slide rail guide structure, the oil pump may be mounted on the oil pump mounting plate, the oil outlet pipe may be mounted on the oil pump mounting plate, the splined shaft and gear may be mounted on the oil pump base, the support guide base may mate with the oil pump base, and the worm gear may be mounted on the support guide base.

[0043] Optionally, a suction filter, a temperature sensor, a temperature-controlled heater, and a flow meter can be installed inside the oil tank. The suction filter can be adjusted by a manual regulating valve, the current pressure data can be obtained by a pressure sensor, the oil pump can be controlled by a motor and controller to draw oil from the oil tank, the unloading valve can be used to protect the oil circuit, and the proportional valve can be used to adjust the load in the oil circuit.

[0044] In steps S101 to S103 of this application, the working mode of the oil pump is obtained, and structural information matching the working mode is determined according to different working modes. When the structural information is determined, an oil pump test bench with the structural information is determined, and the oil pump test bench is controlled to test the oil pump, thereby achieving the purpose of accurately controlling the oil temperature from low temperature to high temperature. This solves the technical problem that the oil pump test bench solution is difficult to cover the actual vehicle use conditions, and realizes the technical effect that the oil pump test bench solution can cover the actual vehicle use conditions.

[0045] The method described in this embodiment will be further described below.

[0046] As an optional embodiment, step S102, determining structural information matching the operating mode, includes: determining the structural information as first structural information in response to the operating mode being mechanical mode; and determining the structural information as second structural information in response to the operating mode being electric mode.

[0047] In this embodiment, the first structural information can be used to indicate the rear coupling connecting the oil pump test bench, the installation of gears matching the oil pump, and the connection of the oil pump fixture of the oil pump test bench to the oil pump base of the oil pump test bench. The second structural information can be used to indicate disconnecting the rear coupling, disassembling the splined shaft of the oil pump test bench, connecting the oil pump fixture to the oil pump base, and connecting the electric oil pump and controller of the oil pump test bench.

[0048] Optionally, after obtaining the working mode of the oil pump, it is determined whether the working mode of the oil pump is mechanical or electric. If the working mode of the oil pump is mechanical, the structural information is determined as the first structural information, thereby connecting the rear coupling of the oil pump test bench, installing the gear matching the oil pump, connecting the oil pump fixture of the oil pump test bench to the oil pump base of the oil pump test bench, and connecting the oil pump. If the working mode of the oil pump is electric, the structural information is determined as the second structural information, thereby disconnecting the rear coupling, disassembling the spline shaft of the oil pump test bench, connecting the oil pump fixture to the oil pump base, and connecting the electric oil pump and controller of the oil pump test bench.

[0049] As an optional embodiment, after determining the structural information matching the working mode in step S102, the control method of the oil pump test bench further includes: acquiring the target oil temperature in the oil pump test bench; and controlling the oil temperature control unit of the oil pump test bench based on the target oil temperature.

[0050] In this embodiment, the target oil temperature can be the temperature that the oil needs to reach during the test of the oil pump under actual vehicle operating conditions on the oil pump test bench. The oil temperature control unit can include a heater and a refrigeration unit.

[0051] Optionally, after determining the structural information that matches the working mode, the target oil temperature in the oil pump test bench is obtained, and the relationship between the target oil temperature and the oil temperature threshold is judged. Based on the relationship between the target oil temperature and the oil temperature threshold, the oil temperature control unit of the oil pump test bench can be controlled, that is, the heater or refrigeration unit therein can be controlled.

[0052] As an optional embodiment, the oil temperature control unit of the oil pump test bench, based on the target oil temperature, includes: in response to the target oil temperature being greater than an oil temperature threshold, controlling the heater via a host computer of the oil pump test bench to adjust the current oil temperature in the oil pump test bench to the target oil temperature; and in response to the target oil temperature being less than or equal to the oil temperature threshold, controlling the refrigeration unit via a host computer to adjust the current oil temperature to the target oil temperature.

[0053] In this embodiment, the oil temperature threshold can be 30°C or 30.5°C. This is only an example and is not a specific limitation.

[0054] Optionally, after obtaining the target oil temperature in the oil pump test bench, the relationship between the target oil temperature and the oil temperature threshold is determined. Based on the relationship between the target oil temperature and the oil temperature threshold, the oil temperature control unit of the oil pump test bench can be controlled. For example, if the target oil temperature is greater than the oil temperature threshold, the heater is started through the host computer of the oil pump test bench to heat the oil so that the current oil temperature in the oil pump test bench can be adjusted to the target oil temperature. If the target oil temperature is less than or equal to the oil temperature threshold, the refrigeration unit is started through the host computer of the oil pump test bench to cool the oil so that the current oil temperature in the oil pump test bench can be adjusted to the target oil temperature.

[0055] Optionally, when the oil temperature threshold is 30°C and the target oil temperature is 40°C, the relationship between the target oil temperature and the oil temperature threshold is judged. In response to the target oil temperature being greater than the oil temperature threshold, the heater is controlled by the host computer of the oil pump test bench to adjust the current oil temperature in the oil pump test bench to the target oil temperature. This is only an example and is not specifically limited.

[0056] Optionally, when the oil temperature threshold is 30°C and the target oil temperature is 35°C, the relationship between the target oil temperature and the oil temperature threshold is judged. In response to the target oil temperature being greater than the oil temperature threshold, the heater is controlled by the host computer of the oil pump test bench to adjust the current oil temperature in the oil pump test bench to the target oil temperature. This is only an example and is not specifically limited.

[0057] Optionally, when the oil temperature threshold is 30°C and the target oil temperature is 25°C, the relationship between the target oil temperature and the oil temperature threshold is determined. In response to the target oil temperature being less than or equal to the oil temperature threshold, the host computer controls the refrigeration unit to adjust the current oil temperature to the target oil temperature. This is only an example and is not specifically limited.

[0058] Optionally, when the oil temperature threshold is 30°C and the target oil temperature is 10°C, the relationship between the target oil temperature and the oil temperature threshold is determined. In response to the target oil temperature being less than or equal to the oil temperature threshold, the host computer controls the refrigeration unit to adjust the current oil temperature to the target oil temperature. This is only an example and is not specifically limited.

[0059] Optionally, when the oil temperature threshold is 30.5℃ and the target oil temperature is 40℃, the relationship between the target oil temperature and the oil temperature threshold is judged. In response to the target oil temperature being greater than the oil temperature threshold, the heater is controlled by the host computer of the oil pump test bench to adjust the current oil temperature in the oil pump test bench to the target oil temperature. This is only an example and is not specifically limited.

[0060] Optionally, when the oil temperature threshold is 30.5℃ and the target oil temperature is 35℃, the relationship between the target oil temperature and the oil temperature threshold is judged. In response to the target oil temperature being greater than the oil temperature threshold, the heater is controlled by the host computer of the oil pump test bench to adjust the current oil temperature in the oil pump test bench to the target oil temperature. This is only an example and is not specifically limited.

[0061] Optionally, when the oil temperature threshold is 30.5℃ and the target oil temperature is 25℃, the relationship between the target oil temperature and the oil temperature threshold is determined. In response to the target oil temperature being less than or equal to the oil temperature threshold, the host computer controls the refrigeration unit to adjust the current oil temperature to the target oil temperature. This is only an example and is not specifically limited.

[0062] Optionally, when the oil temperature threshold is 30.5℃ and the target oil temperature is 10℃, the relationship between the target oil temperature and the oil temperature threshold is determined. In response to the target oil temperature being less than or equal to the oil temperature threshold, the host computer controls the refrigeration unit to adjust the current oil temperature to the target oil temperature. This is only an example and is not specifically limited.

[0063] As an optional embodiment, after controlling the oil temperature control unit of the oil pump test bench based on the target oil temperature, the control method of the oil pump test bench further includes: collecting and storing the adjusted oil temperature through the data acquisition system of the oil pump test bench to obtain the adjustment result; and controlling the oil pump test bench to test the oil pump in response to the adjustment result that the adjusted oil temperature has been adjusted to the target oil temperature.

[0064] In this embodiment, the data acquisition system described above can be used to collect and save information such as oil temperature, base angle, and electric pump speed in real time.

[0065] Optionally, after controlling the oil temperature control unit of the oil pump test bench based on the target oil temperature, the host computer of the oil pump test bench sends a control command to the data acquisition system. In response to the data acquisition system receiving the control command from the host computer, the adjusted oil temperature is collected and stored to obtain the adjustment result. The system then judges whether the adjusted oil temperature has been adjusted to the target oil temperature. If the adjustment result indicates that the adjusted oil temperature has been adjusted to the target oil temperature, the oil pump test bench is controlled to test the oil pump.

[0066] As an optional embodiment, in addition to controlling the oil pump test bench to test the oil pump in response to the adjustment result that the adjusted oil temperature has been adjusted to the target oil temperature, the control method of the oil pump test bench also includes: in response to the adjustment result that the adjusted oil temperature has not been adjusted to the target oil temperature, uploading the adjustment result to the cloud and detecting the oil pump test bench.

[0067] In this embodiment, in addition to controlling the oil pump test bench to test the oil pump in response to the adjustment result indicating that the adjusted oil temperature has been adjusted to the target oil temperature, the host computer of the oil pump test bench sends a control command to the data acquisition system. In response to the data acquisition system receiving the control command from the host computer, it collects and stores the adjusted oil temperature to obtain the adjustment result. It then judges whether the adjustment result indicates that the adjusted oil temperature has been adjusted to the target oil temperature. If the adjustment result indicates that the adjusted oil temperature has not been adjusted to the target oil temperature, the adjustment result is uploaded to the cloud, and the oil pump test bench is subjected to fault detection. After the fault detection is completed, the fault in the oil pump test bench is cleared, and the oil pump test bench is controlled again to test the oil pump.

[0068] This embodiment obtains the working mode of the oil pump and determines the structural information that matches the working mode based on different working modes. With the structural information determined, an oil pump test bench with the structural information is determined, and the oil pump test bench is controlled to test the oil pump. This solves the technical problem that the oil pump test bench solution is difficult to cover the actual vehicle use conditions, and achieves the technical effect that the oil pump test bench solution can cover the actual vehicle use conditions.

[0069] Example 2

[0070] The technical solutions of the embodiments of the present invention will be illustrated below with reference to preferred embodiments.

[0071] In current automotive transmission systems, hydraulic control systems are commonly used. However, these systems rely heavily on hydraulic pumps to supply hydraulic oil. These pumps also provide control of the hydraulic circuits and act as a source of cooling and lubrication for components such as clutches and gears. Existing test bench designs suffer from low adaptability to electric hydraulic pumps and limited testing scenarios, making it difficult for hydraulic pump test benches to cover real-world vehicle operating conditions. Therefore, a control method for hydraulic pump test benches is needed to ensure that the design can effectively cover real-world vehicle operating conditions.

[0072] In one related technology, an oil pump test bench is disclosed. This test bench includes an oil pump driven by a motor, an oil tank for oil supply, a frame, and a platform fixedly mounted on the upper end of the frame. The oil pump's inlet is connected to the oil tank via an inlet pipe, and the oil pump's outlet is connected to the oil tank sequentially via an outlet pipe, a U-shaped filter, an oval gear flow meter, and a return pipe. A pressure gauge and a temperature sensor are installed on the outlet pipe, and a regulating valve one is installed on the return pipe. A regulating valve two is installed on the outlet pipe between the pressure gauge and the U-shaped filter. The motor and oil pump are fixed to the upper end of the platform, and the oil tank is located below the platform. However, this method only uses the oil pump, outlet pipe, inlet pipe, U-shaped filter, oval gear flow meter, and return pipe to form a circulation loop with the oil tank. It cannot quickly switch between mechanical and electric oil pump connection schemes on the same test bench, thus making it difficult to ensure that the oil pump test bench design can cover the actual vehicle operating conditions.

[0073] However, the present invention proposes a diverse test bench for mechanical and electric oil pumps. By quickly switching between mechanical and electric oil pumps on the same bench, the goal of accurately controlling the oil temperature from low to high temperatures is achieved. This solves the technical problem that the oil pump test bench solution is difficult to cover the actual vehicle operating conditions, and realizes the technical effect that the oil pump test bench solution can cover the actual vehicle operating conditions.

[0074] Figure 2(a) is a schematic diagram of the structure of an oil pump test bench according to an embodiment of the present invention. As shown in Figure 2(a), the oil pump test bench may include: a bench base 201, a high-speed motor 202, a front coupling 203, a drive shaft 204, a bearing seat 205, a torque meter 206, a rear coupling 207, an environmental chamber 208, a test oil tank 209, a splined shaft 210, an oil pump base 211, an oil tank heater 212, a cold air duct 213, a refrigeration unit 214, and a worm gear 215.

[0075] Optionally, the high-speed motor 202 can be mounted on the test bench base 201, the front coupling 203 can be connected to the high-speed motor 202, the drive shaft 204 can be connected to the front coupling 203, the drive shaft 204 can be fixedly supported by bearings in the bearing housing 205, the torque meter 206 can be used to measure the torque transmitted by the drive shaft 204, the rear coupling 207 can be connected to the drive shaft 204, the environmental chamber 208 can be used to provide the test bench temperature conditions, the test sample and device can be installed in the test oil tank 209, the spline shaft 210 can be connected to the rear coupling 207 to drive the oil pump, the oil pump base 211 can be equipped with the oil pump mounting plate to fix the oil pump, the oil tank heater 212 can be used to heat the oil, and the cold air duct 213 can be connected to the environmental chamber 208 and the refrigerator 214, the refrigerator 214 can be used to provide cold air to the environmental chamber 208.

[0076] Figure 2(b) is a schematic diagram of a support guide base structure according to an embodiment of the present invention. As shown in Figure 2(b), the oil pump base 211 can cooperate with the support guide base 216. The oil pump base 211 and the support guide base 216 can be fixed and locked by screws to realize the rotation and fixation of the oil pump base 211 at different angles. The worm 215 can be installed on the support guide base 216. The oil pump base 211 can include a worm gear structure, which can cooperate with the worm 215 to realize the rotation of the angle.

[0077] Figure 2(c) is a schematic diagram of an example of oil pump installation according to an embodiment of the present invention. As shown in Figure 2(c), the oil pump base 211 may include a slide rail guide structure, the oil pump 217 may be installed on the oil pump mounting plate 218, the oil outlet pipe 219 may be installed on the oil pump mounting plate 218, the spline shaft 210 and the gear 219 may be installed on the oil pump base 211, the support guide base 216 may cooperate with the oil pump base 211, and the worm gear 215 may be installed on the support guide base 216.

[0078] Figure 3 This is a flowchart illustrating an installation method for an oil pump test bench according to an embodiment of the present invention, as shown below. Figure 3 As shown, the method may include the following steps:

[0079] Step S301: The test project is started.

[0080] After the test project is started, proceed to step S302 to determine whether the oil pump is a mechanical oil pump.

[0081] If the oil pump is a mechanical oil pump, proceed to steps S303, S304, S305, S306, and S307: connect the rear coupling, install the matching gear for the oil pump, connect the oil pump fixture to the oil pump base, connect the oil pump, and perform bench testing.

[0082] If the oil pump is not a mechanical oil pump, proceed to steps S308, S309, S310, S311 and S307, disconnect the rear coupling, disassemble the spline shaft, connect the oil pump fixture to the oil pump base, connect the electric oil pump and controller, and perform bench testing.

[0083] Figure 4 This is a flowchart of a control method for an oil pump test bench according to an embodiment of the present invention, such as... Figure 4 As shown, the method may include the following steps:

[0084] Step S401, start the oil pump test bench

[0085] After the oil pump test bench is started, proceed to step S402 to determine whether the oil pump is a mechanical oil pump.

[0086] If the oil pump is a mechanical oil pump, proceed to steps S403 and S405, where the motor speed is controlled and the required oil temperature is determined to be greater than 30°C. If the oil pump is not a mechanical oil pump, proceed to steps S404 and S405, where the electric pump controller performs servo control and the required oil temperature is determined to be greater than 30°C.

[0087] If the required oil temperature is greater than 30°C, proceed to steps S406 and S408 to start the heater unit and rotate the worm gear to adjust the base angle. If the required oil temperature is less than or equal to 30°C, proceed to steps S407 and S408 to start the freezer unit and rotate the worm gear to adjust the base angle.

[0088] After the worm gear rotates to adjust the base angle, proceed to steps S409, S410, S411 and S412, where the oil pump / electric pump speed is adjusted to the test condition speed, the data acquisition system collects and saves the data, the data curve is plotted, and the bench test is completed.

[0089] Figure 5 This is a schematic diagram illustrating the testing principle of an oil pump pressure-flow characteristic according to an embodiment of the present invention, as shown below. Figure 5 As shown, a suction filter 502, a temperature sensor 503, a temperature-controlled heater 504, and a flow meter 505 can be installed in the oil tank 501. The suction filter 502 can be adjusted by the manual regulating valve 506. The current pressure data can be obtained by the pressure sensor 507. The motor and controller 510 can be used to control the oil pump 509 to draw oil from the oil tank 501. The unloading valve 511 can be used to protect the oil circuit. The proportional valve 512 can be used to adjust the load in the oil circuit.

[0090] In this embodiment, the system determines whether the oil pump is a mechanical oil pump. If it is, the motor controls the speed, and the system also checks whether the required oil temperature is greater than 30°C. If the oil pump is not mechanical, the system uses an electric pump controller for servo control, and again checks whether the required oil temperature is greater than 30°C. If the required oil temperature is greater than 30°C, the heater unit is activated, and the worm gear rotates to adjust the base angle. If the required oil temperature is less than or equal to 30°C, the refrigeration unit is activated, and the worm gear rotates to adjust the base angle. After the worm gear rotates to adjust the base angle, the oil pump / electric pump speed is adjusted to the test condition speed. The data acquisition system collects and saves the data, plots the data curve, and completes the bench test. This solves the technical problem that the oil pump test bench solution cannot cover the actual vehicle operating conditions, achieving the technical effect that the oil pump test bench solution can cover the actual vehicle operating conditions.

[0091] Example 3

[0092] According to an embodiment of the present invention, a control device for an oil pump test bench is also provided. It should be noted that this control device for the oil pump test bench can be used to execute a control method for an oil pump test bench as described in Embodiment 1.

[0093] Figure 6 This is a schematic diagram of a control device for an oil pump test bench according to an embodiment of the present invention. Figure 6 As shown, the control device 600 of the oil pump test bench may include: a first acquisition unit 601, a determination unit 602, and a first control unit 603.

[0094] The first acquisition unit 601 is used to acquire the working mode of the oil pump.

[0095] The determining unit 602 is used to determine structural information that matches the operating mode, wherein the structural information is used to represent the structure of the test equipment for testing the oil pump.

[0096] The first control unit 603 is used to determine the oil pump test bench with structural information and control the oil pump test bench to test the oil pump, wherein the test equipment includes the oil pump test bench.

[0097] Optionally, the determining unit 602 may include: a first response module, used to determine structural information as first structural information in response to the working mode being mechanical mode, wherein the first structural information is used to indicate the rear coupling connecting the oil pump test bench, the installation of a gear matching the oil pump, and the connection of the oil pump fixture of the oil pump test bench to the oil pump base of the oil pump test bench; and a second response module, used to determine structural information as second structural information in response to the working mode being electric mode, wherein the second structural information is used to indicate the disconnection of the rear coupling, the disassembly of the splined shaft of the oil pump test bench, the connection of the oil pump fixture to the oil pump base, and the connection of the electric oil pump and controller of the oil pump test bench.

[0098] Optionally, the control device 600 of the oil pump test bench may further include: a second acquisition unit for acquiring the target oil temperature in the oil pump test bench; and a second control unit for controlling the oil temperature control unit of the oil pump test bench based on the target oil temperature, wherein the oil temperature control unit includes a heater and a refrigeration unit.

[0099] Optionally, the second control unit may include: a third response module, used to control the heater via the host computer of the oil pump test bench in response to the target oil temperature being greater than the oil temperature threshold, so as to adjust the current oil temperature in the oil pump test bench to the target oil temperature; and a fourth response module, used to control the refrigeration unit via the host computer in response to the target oil temperature being less than or equal to the oil temperature threshold, so as to adjust the current oil temperature to the target oil temperature.

[0100] Optionally, the control device 600 of the oil pump test bench may further include: a data acquisition unit for acquiring and storing the adjusted oil temperature through the data acquisition system of the oil pump test bench to obtain the adjustment result; and a first response unit for controlling the oil pump test bench to test the oil pump in response to the adjustment result that the adjusted oil temperature has been adjusted to the target oil temperature.

[0101] Optionally, the control device 600 of the oil pump test bench may further include: a second response unit, used to upload the adjustment result to the cloud and perform testing on the oil pump test bench in response to the adjustment result being that the adjusted oil temperature has not been adjusted to the target oil temperature.

[0102] In this embodiment, a first acquisition unit is used to acquire the operating mode of the oil pump; a determination unit is used to determine structural information matching the operating mode, wherein the structural information is used to represent the structure of the test equipment for testing the oil pump; and a first control unit is used to determine the oil pump test bench with structural information and control the oil pump test bench to test the oil pump. The test equipment includes the oil pump test bench, which solves the technical problem that the oil pump test bench solution is difficult to cover the actual vehicle operating conditions, and achieves the technical effect that the oil pump test bench solution can cover the actual vehicle operating conditions.

[0103] Example 4

[0104] According to an embodiment of the present invention, a computer-readable storage medium is also provided, the storage medium including a stored program, wherein the program executes the control method of the oil pump test bench in Embodiment 1.

[0105] Example 5

[0106] According to an embodiment of the present invention, a processor is also provided for running a program, wherein the program is executed by the processor to perform the control method of the oil pump test bench in Embodiment 1.

[0107] Example 6

[0108] According to an embodiment of the present invention, a vehicle is also provided for performing any one of the control methods of the oil pump test bench in Embodiment 1.

[0109] The sequence numbers of the above embodiments of the present invention are for descriptive purposes only and do not represent the superiority or inferiority of the embodiments.

[0110] In the above embodiments of the present invention, the descriptions of each embodiment have different focuses. For parts not described in detail in a certain embodiment, please refer to the relevant descriptions of other embodiments.

[0111] In the several embodiments provided in this application, it should be understood that the disclosed technical content can be implemented in other ways. The device embodiments described above are merely illustrative; for example, the division of units can be a logical functional division, and in actual implementation, there may be other division methods. For example, multiple units or components may be combined or integrated into another system, or some features may be ignored or not executed. Furthermore, the displayed or discussed mutual couplings, direct couplings, or communication connections may be through some interfaces; indirect couplings or communication connections between units or modules may be electrical or other forms.

[0112] The units described as separate components may or may not be physically separate. The components shown as units may or may not be physical units; that is, they may be located in one place or distributed across multiple units. Some or all of the units can be selected to achieve the purpose of this embodiment according to actual needs.

[0113] Furthermore, the functional units in the various embodiments of the present invention can be integrated into one processing unit, or each unit can exist physically separately, or two or more units can be integrated into one unit. The integrated unit can be implemented in hardware or as a software functional unit.

[0114] If the integrated unit is implemented as a software functional unit and sold or used as an independent product, it can be stored in a computer-readable storage medium. Based on this understanding, the technical solution of this invention, in essence, or the part that contributes to the prior art, or all or part of the technical solution, can be embodied in the form of a software product. This computer software product is stored in a storage medium and includes several instructions to cause a computer device (which may be a personal computer, server, or network device, etc.) to execute all or part of the steps of the methods of the various embodiments of this invention. The aforementioned storage medium includes various media capable of storing program code, such as USB flash drives, read-only memory (ROM), random access memory (RAM), portable hard drives, magnetic disks, or optical disks.

[0115] The above are merely preferred embodiments of the present invention. It should be noted that those skilled in the art can make various improvements and modifications without departing from the principle of the present invention, and these improvements and modifications should also be considered within the scope of protection of the present invention.

Claims

1. A control method of an oil pump test bench, characterized by, The method comprises: obtaining a working mode of an oil pump; determining structure information matched with the working mode, wherein the structure information is used to represent a structure of a test device for testing the oil pump; determining an oil pump test bench with the structure information, and controlling the oil pump test bench to test the oil pump, wherein the test device comprises the oil pump test bench; wherein determining the structure information matched with the working mode comprises: in response to the working mode being a mechanical mode, determining the structure information as first structure information, wherein the first structure information is used to represent connecting a rear shaft coupling of the oil pump test bench, installing a gear matched with the oil pump, and connecting an oil pump tooling of the oil pump test bench to an oil pump base of the oil pump test bench; and in response to the working mode being an electric mode, determining the structure information as second structure information, wherein the second structure information is used to represent disconnecting the rear shaft coupling, dismounting a spline shaft of the oil pump test bench, connecting the oil pump tooling to the oil pump base, and connecting an electric oil pump and a controller of the oil pump test bench.

2. The method of claim 1, wherein, After determining the structure information matched with the working mode, the method further comprises: obtaining a target oil temperature in the oil pump test bench; based on the target oil temperature, controlling an oil temperature control unit of the oil pump test bench, wherein the oil temperature control unit comprises a heater and a refrigerator.

3. The method of claim 2, wherein, Based on the target oil temperature, controlling the oil temperature control unit of the oil pump test bench comprises: in response to the target oil temperature being greater than an oil temperature threshold, controlling the heater by a host computer of the oil pump test bench to adjust a current oil temperature in the oil pump test bench to the target oil temperature; in response to the target oil temperature being less than or equal to the oil temperature threshold, controlling the refrigerator by the host computer to adjust the current oil temperature to the target oil temperature.

4. The method of claim 3, wherein, After controlling the oil temperature control unit of the oil pump test bench based on the target oil temperature, the method further comprises: collecting and storing the adjusted oil temperature by a data acquisition system of the oil pump test bench to obtain an adjustment result; in response to the adjustment result being that the adjusted oil temperature has been adjusted to the target oil temperature, controlling the oil pump test bench to test the oil pump.

5. The method of claim 4, wherein, In addition to controlling the oil pump test bench to test the oil pump in response to the adjustment result being that the adjusted oil temperature has been adjusted to the target oil temperature, the method further comprises: in response to the adjustment result being that the adjusted oil temperature has not been adjusted to the target oil temperature, uploading the adjustment result to the cloud, and detecting the oil pump test bench.

6. A control device for an oil pump test bench, characterized in that The method comprises: an obtaining unit, configured to obtain a working mode of an oil pump; a determining unit, configured to determine structure information matched with the working mode, wherein the structure information is used to represent a structure of a test device for testing the oil pump; a control unit, configured to determine an oil pump test bench with the structure information, and control the oil pump test bench to test the oil pump, wherein the test device comprises the oil pump test bench; The determining unit comprises: a first response module, configured to determine the structure information as first structure information in response to the working mode being the mechanical mode, wherein the first structure information is used to indicate that a rear coupling connected to the oil pump test bench is connected, a gear matched with the oil pump is installed, and an oil pump tool of the oil pump test bench is connected to an oil pump base of the oil pump test bench; and a second response module, configured to determine the structure information as second structure information in response to the working mode being the electric mode, wherein the second structure information is used to indicate that the rear coupling is disconnected, a spline shaft of the oil pump test bench is disassembled, the oil pump tool is connected to the oil pump base, and an electric oil pump and a controller of the oil pump test bench are connected.

7. A computer readable storage medium characterized in that, The computer readable storage medium comprises a stored program, wherein the program controls a device where the computer readable storage medium is located to execute the control method of the oil pump test bench according to any one of claims 1 to 5 when the program is running.

8. A processor, comprising: The processor is configured to run a program, wherein the program is executed to perform the control method of the oil pump test bench according to any one of claims 1 to 5 when the program is run by the processor.

9. A vehicle characterized by comprising: The vehicle is configured to perform the control method of the oil pump test bench according to any one of claims 1 to 5.

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