Reduction gearbox temperature control method and device, storage medium and product

Abstract

The invention discloses a reduction gearbox temperature control method and device, a storage medium and a product, and relates to the technical field of reduction gearbox temperature control. The disclosed reduction gearbox temperature control method comprises the steps that when it is detected that a reduction gearbox works, the initial temperature of the reduction gearbox is obtained; determining a temperature adjusting mode of the reduction gearbox according to whether the initial temperature of the reduction gearbox is within a preset temperature range or not; and controlling a reduction gearbox liquid cooling loop to adjust the temperature of the reduction gearbox according to the temperature adjusting mode. The liquid cooling loop of the reduction gearbox is added, the temperature of the lubricating oil of the reduction gearbox is monitored in the high-temperature environment and the low-temperature environment, and after the temperature exceeds the threshold value, heat exchange between the lubricating oil and the cooling liquid in the liquid cooling loop is achieved to control regulation and control of the temperature of the reduction gearbox. The working efficiency is improved, and the energy consumption is reduced.

Description

Technical Field

[0001] The present invention relates to the technical field of reduction gearbox temperature control, and in particular to a reduction gearbox temperature control method, device, storage medium and product. Background Art

[0002] The traditional method of reducing gearbox temperature control uses the waste heat of the motor to regulate the temperature of the reduction gearbox. Therefore, a large-coverage electric drive wrap is used for insulation. However, the electric drive wrap will reduce the heat dissipation of the reduction gearbox in high temperature environments, affecting the performance of the reduction gearbox lubricant, and further affecting efficiency, durability and other performance.

[0003] The above contents are only used to assist in understanding the technical solution of the present invention and do not constitute an admission that the above contents are prior art. Summary of the invention

[0004] The main purpose of the present invention is to provide a reduction gearbox temperature control method, device, storage medium and product, aiming to solve the technical problems affecting the reduction gearbox efficiency and durability when the reduction gearbox temperature is regulated.

[0005] To achieve the above object, the present invention provides a reduction gearbox temperature control method, the method comprising:

[0006] When the reduction gearbox is detected to be working, the initial temperature of the reduction gearbox is obtained;

[0007] Determining a temperature adjustment mode of the reduction box according to whether the initial temperature of the reduction box is within a preset temperature range;

[0008] The reduction gearbox liquid cooling circuit is controlled according to the temperature adjustment mode to adjust the temperature of the reduction gearbox.

[0009] In one embodiment, the preset temperature range includes a first preset temperature range, and the step of determining the temperature adjustment mode of the reduction box according to whether the initial temperature of the reduction box is within the preset temperature range includes:

[0010] When the initial temperature reaches the first preset temperature range, controlling the cooling fan and the water pump in the reduction gearbox liquid cooling circuit to start, and determining the temperature adjustment mode of the reduction gearbox;

[0011] Correspondingly, the temperature adjustment mode includes a cooling mode, and the step of controlling the reduction gearbox liquid cooling circuit to adjust the temperature of the reduction gearbox according to the temperature adjustment mode includes:

[0012] According to the temperature reduction mode, the temperature of the reduction gearbox is reduced by heat exchange between the lubricating oil and the coolant in the reduction gearbox liquid cooling circuit.

[0013] In one embodiment, the preset temperature range includes a second preset temperature range, and after the step of reducing the temperature of the reduction box by heat exchange between the lubricating oil and the coolant in the reduction box liquid cooling circuit according to the cooling mode, the method further comprises:

[0014] When the initial temperature reaches the second preset temperature range, the cooling fan and the water pump in the reduction gearbox liquid cooling circuit are controlled to be turned off, and the temperature adjustment mode of the reduction gearbox is determined;

[0015] Correspondingly, the temperature adjustment mode also includes a cooling callback mode, and the step of controlling the reduction gearbox liquid cooling circuit to adjust the temperature of the reduction gearbox according to the temperature adjustment mode includes:

[0016] According to the temperature-dropping callback mode, the temperature of the reduction gearbox is restored by heat exchange between the lubricating oil and the coolant in the reduction gearbox liquid cooling circuit.

[0017] Wherein, the first preset temperature range is greater than the second preset temperature range.

[0018] In one embodiment, the preset temperature range includes a third preset temperature range, and the step of determining the temperature adjustment mode of the reduction box according to whether the initial temperature of the reduction box is within the preset temperature range includes:

[0019] When the initial temperature reaches a third preset temperature range, controlling the control valve and the water pump in the reduction gearbox liquid cooling circuit to start, and determining the temperature adjustment mode of the reduction gearbox;

[0020] Correspondingly, the temperature adjustment mode includes a temperature rise mode, and the step of controlling the reduction gearbox liquid cooling circuit to adjust the temperature of the reduction gearbox according to the temperature adjustment mode includes:

[0021] According to the temperature increase mode, the temperature of the reduction gearbox is increased by heat exchange between the lubricating oil and the coolant in the reduction gearbox liquid cooling circuit.

[0022] In one embodiment, the preset temperature range includes a fourth preset temperature range, and after the step of increasing the temperature of the reduction gearbox by heat exchange between the lubricating oil and the coolant in the reduction gearbox liquid cooling circuit according to the temperature increase mode, the method further comprises:

[0023] When the initial temperature reaches the fourth preset temperature range, the control valve and the water pump in the reduction gearbox liquid cooling circuit are controlled to be closed, and the temperature adjustment mode of the reduction gearbox is determined;

[0024] Correspondingly, the temperature adjustment mode also includes a temperature rise callback mode, and the step of controlling the reduction gearbox liquid cooling circuit to adjust the temperature of the reduction gearbox according to the temperature adjustment mode includes:

[0025] According to the temperature rise callback mode, the temperature of the reduction gearbox is restored by heat exchange between the lubricating oil and the coolant in the reduction gearbox liquid cooling circuit;

[0026] Wherein, the third preset temperature range is greater than the fourth preset temperature range.

[0027] In one embodiment, after the step of adjusting the temperature of the reduction box according to the reduction box temperature adjustment mode, the method further comprises:

[0028] When the temperature adjustment of the reduction gearbox is completed, the heat of the reduction gearbox is used to perform heat exchange with the battery pack and the passenger compartment, so that the temperatures of the battery pack and the passenger compartment are adjusted.

[0029] In addition, in order to achieve the above-mentioned purpose, the present invention also proposes a reduction gearbox liquid cooling circuit, the reduction gearbox liquid cooling circuit comprising:

[0030] Gearbox, temperature sensor, control valve, cooling fan and water pump;

[0031] The reduction box is connected to the temperature sensor, the control valve, the cooling fan and the water pump respectively.

[0032] In addition, to achieve the above-mentioned purpose, the present invention also proposes a reduction gearbox temperature control device, which includes: a memory, a processor, and a computer program stored in the memory and executable on the processor, and the computer program is configured to implement the steps of the reduction gearbox temperature control method as described above.

[0033] In addition, to achieve the above-mentioned purpose, the present invention also proposes a storage medium, which is a computer-readable storage medium, and a computer program is stored on the storage medium. When the computer program is executed by a processor, the steps of the reduction gearbox temperature control method described above are implemented.

[0034] In addition, to achieve the above-mentioned purpose, the present invention also provides a computer program product, which includes a computer program, and when the computer program is executed by a processor, the steps of the reduction gearbox temperature control method as described above are implemented.

[0035] One or more technical solutions proposed in the present invention have at least the following technical effects:

[0036] The present invention obtains the initial temperature of the reduction gearbox when the reduction gearbox is detected to be working; determines the temperature adjustment mode of the reduction gearbox according to whether the initial temperature of the reduction gearbox is within a preset temperature range; and controls the reduction gearbox liquid cooling circuit to adjust the temperature of the reduction gearbox according to the temperature adjustment mode. The present invention adds a liquid cooling circuit to the reduction gearbox to monitor the reduction gearbox lubricating oil temperature under high and low temperature environments, and controls the reduction gearbox temperature by heat exchange between the lubricating oil and the coolant in the liquid cooling circuit after exceeding the threshold. Compared with the prior art, the present invention realizes the thermal management of the reduction gearbox lubricating oil, improves work efficiency, and reduces energy consumption. BRIEF DESCRIPTION OF THE DRAWINGS

[0037] The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the invention and, together with the description, serve to explain the principles of the invention.

[0038] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, for ordinary technicians in this field, other drawings can be obtained based on these drawings without paying any creative labor.

[0039] Figure 1 A schematic diagram of a process flow provided for a first embodiment of a method for controlling the temperature of a reduction gearbox according to the present invention;

[0040] Figure 2 A schematic diagram of a process flow provided for the second embodiment of the temperature control method for a reduction gearbox of the present invention;

[0041] Figure 3 A schematic diagram of a process flow provided for the third embodiment of the temperature control method for a reduction gearbox of the present invention;

[0042] Figure 4 This is a schematic diagram of the structure of a liquid cooling circuit module of a reduction gearbox according to an embodiment of the present invention;

[0043] Figure 5 It is a schematic diagram of the equipment structure of the hardware operating environment involved in the reduction gearbox temperature control method in an embodiment of the present invention.

[0044] Description of Figure Numbers:

[0045] 1. Gearbox; 2. Controller; 3. Temperature sensor; 4. Cooling fan; 5. Water pump; 6. Control valve.

[0046] The purpose, features and advantages of the present invention will be further described with reference to the accompanying drawings in conjunction with the embodiments. DETAILED DESCRIPTION

[0047] It should be understood that the specific embodiments described herein are only used to explain the technical solutions of the present invention and are not used to limit the present invention.

[0048] In order to better understand the technical solution of the present invention, a detailed description will be given below in conjunction with the accompanying drawings and specific implementation methods.

[0049] The main solution of the embodiment of the present invention is: when the gearbox is detected to be working, the initial temperature of the gearbox is obtained; according to whether the initial temperature of the gearbox is within a preset temperature range, the temperature adjustment mode of the gearbox is determined; according to the temperature adjustment mode, the gearbox liquid cooling circuit is controlled to adjust the temperature of the gearbox.

[0050] In this embodiment, for the convenience of description, the following description is made with the identification controller as the execution subject.

[0051] Since the existing technology uses the waste heat of the motor to regulate the temperature of the gearbox, an electric drive wrap with a large coverage is used for insulation. However, the electric drive wrap will reduce the heat dissipation of the gearbox in a high temperature environment, affecting the performance of the gearbox lubricant, and further affecting efficiency, durability and other performance.

[0052] The present invention provides a solution, by obtaining the initial temperature of the reducer when the reducer is detected to be working; determining the temperature adjustment mode of the reducer according to whether the initial temperature of the reducer is within a preset temperature range; and controlling the reducer liquid cooling circuit to adjust the temperature of the reducer according to the temperature adjustment mode. The present invention monitors the lubricating oil temperature of the reducer under high and low temperature environments by adding a liquid cooling circuit to the reducer, and controls the temperature of the reducer by heat exchange between the lubricating oil and the coolant in the liquid cooling circuit after exceeding the threshold. Compared with the prior art, the present invention realizes thermal management of the reducer lubricating oil, improves working efficiency, and reduces energy consumption.

[0053] It should be noted that the execution subject of this embodiment can be a computing service device with data processing, network communication and program running functions, such as a tablet computer, a personal computer, a mobile phone, etc., or an electronic device capable of realizing the above functions, etc. The controller is taken as an example to illustrate this embodiment and the following embodiments.

[0054] Based on this, the embodiment of the present invention provides a reduction gearbox temperature control method, referring to Figure 1 , Figure 1 It is a flow chart of the first embodiment of the reduction gearbox temperature control method of the present invention.

[0055] In this embodiment, the reduction gearbox temperature control method includes steps S10 to S30:

[0056] Step S10, when it is detected that the reduction gearbox is working, the initial temperature of the reduction gearbox is obtained.

[0057] It should be noted that the above initial temperature may be the temperature when the reduction gearbox is started.

[0058] In a specific implementation, the initial temperature of the reduction gearbox may be obtained through a temperature sensor.

[0059] Step S20, determining a temperature adjustment mode of the reduction box according to whether the initial temperature of the reduction box is within a preset temperature range.

[0060] It should be noted that the above-mentioned preset temperature range can be 70 degrees to 90 degrees, or 65 degrees to 85 degrees, etc., and can be calibrated, and this embodiment does not limit this;

[0061] It should be noted that the temperature adjustment mode may be a cooling mode or a heating mode, etc., and this embodiment does not limit this.

[0062] It is understandable that the above-mentioned preset temperature range and the above-mentioned temperature adjustment mode are different in different vehicles, and this embodiment does not limit this.

[0063] In a specific implementation, the temperature adjustment mode of the reduction gearbox is determined according to whether the initial temperature of the reduction gearbox is within the preset temperature range, and different preset temperature ranges correspond to different temperature adjustment modes.

[0064] Step S30: controlling the reduction gearbox liquid cooling circuit to adjust the temperature of the reduction gearbox according to the temperature adjustment mode.

[0065] In a specific implementation, after the temperature adjustment mode is determined, the gearbox liquid cooling circuit is controlled to adjust the temperature of the gearbox, and different temperature adjustment modes correspond to different working modes of the gearbox liquid cooling circuit.

[0066] This embodiment provides a method for controlling the temperature of a reduction gearbox, by obtaining the initial temperature of the reduction gearbox when the reduction gearbox is detected to be working; determining the temperature adjustment mode of the reduction gearbox according to whether the initial temperature of the reduction gearbox is within a preset temperature range; and controlling the reduction gearbox liquid cooling circuit to adjust the temperature of the reduction gearbox according to the temperature adjustment mode. The present invention monitors the reduction gearbox lubricating oil temperature under high and low temperature environments by adding a liquid cooling circuit to the reduction gearbox, and controls the temperature of the reduction gearbox by heat exchange between the lubricating oil and the coolant in the liquid cooling circuit after exceeding the threshold. Compared with the prior art, the present invention realizes thermal management of the reduction gearbox lubricating oil, improves working efficiency, and reduces energy consumption.

[0067] Based on the first embodiment of the present invention, in the second embodiment of the present invention, the same or similar contents as those in the first embodiment can refer to the above introduction, and will not be repeated in the following. Figure 2 , Figure 2 It is a flow chart of the second embodiment of the reduction gearbox temperature control method of the present invention.

[0068] In this embodiment, the step S20 includes step S201, and the step S30 includes step S301:

[0069] Step S201, when the initial temperature reaches the first preset temperature range, the cooling fan and the water pump in the reduction gearbox liquid cooling circuit are controlled to start, and the temperature adjustment mode of the reduction gearbox is determined.

[0070] It should be noted that the first preset temperature range may be 85°C to 90°C and may be calibrated;

[0071] It should be noted that the cooling fan may be an axial flow fan or a centrifugal fan, etc., and this embodiment does not limit this.

[0072] It should be noted that the water pump may be a cooling water pump or a screw pump, etc., and this embodiment does not impose any limitation on this.

[0073] It is understandable that the first preset temperature range, the cooling fan and the water pump are all different in different vehicles, and this embodiment does not impose any limitation on this.

[0074] In a specific implementation, when the initial temperature of the reduction gearbox reaches the first preset temperature range, the cooling fan and the water pump in the liquid cooling circuit of the reduction gearbox are controlled to start, and the temperature adjustment mode of the reduction gearbox is determined.

[0075] Step S301, according to the cooling mode, reducing the temperature of the reduction gearbox by heat exchange between the lubricating oil and the coolant in the reduction gearbox liquid cooling circuit.

[0076] It should be noted that the above-mentioned cooling mode can be a reduction gearbox cooling mode, or a battery and passenger compartment cooling mode;

[0077] It should be noted that the lubricating oil may be synthetic oil or mineral oil, etc., and this embodiment does not limit this.

[0078] It should be noted that the above-mentioned coolant may be an ethylene glycol-based coolant, or a propylene glycol-based coolant, etc., and this embodiment does not impose any limitation on this.

[0079] In a specific implementation, according to the above-mentioned cooling mode, the above-mentioned cooling fan is started to achieve physical cooling, and the above-mentioned water pump is started to achieve heat exchange between the above-mentioned lubricating oil and the above-mentioned coolant in the above-mentioned reduction gearbox liquid cooling circuit, thereby reducing the temperature of the above-mentioned reduction gearbox through the temperature difference between the two.

[0080] Based on the second embodiment of the present invention, in the third embodiment of the present invention, the same or similar contents as those in the second embodiment can be referred to the above introduction, and will not be described in detail later. Figure 3 , Figure 3 It is a flow chart of the third embodiment of the reduction gearbox temperature control method of the present invention.

[0081] In a feasible implementation manner, step S301 may further include steps S3011' to S3013':

[0082] Step S3011': when the initial temperature reaches the second preset temperature range, the cooling fan and the water pump in the reduction gearbox liquid cooling circuit are controlled to be turned off, and the temperature adjustment mode of the reduction gearbox is determined.

[0083] It should be noted that the second preset temperature range may be 70 degrees to 75 degrees.

[0084] In a specific implementation, after the gearbox is cooled down, the initial temperature inside the gearbox continues to be detected. When the initial temperature of the gearbox reaches the second preset temperature range, the cooling fan and the water pump in the liquid cooling circuit of the gearbox are controlled to be turned off, and the temperature adjustment mode of the gearbox is determined.

[0085] Step S3012': according to the temperature reduction callback mode, the temperature of the reduction gearbox is restored by heat exchange between the lubricating oil and the coolant in the reduction gearbox liquid cooling circuit.

[0086] It should be noted that the above-mentioned cooling return mode can be a reduction gearbox cooling return mode, or it can be a battery and passenger compartment cooling return mode.

[0087] In a specific implementation, according to the above-mentioned cooling callback mode, that is, the reduction gearbox is first cooled and then the temperature is adjusted back, the temperature of the reduction gearbox before cooling is restored through the heat exchange between the above-mentioned lubricating oil and the above-mentioned coolant in the above-mentioned reduction gearbox liquid cooling circuit.

[0088] Step S3013', wherein the first preset temperature range is greater than the second preset temperature range.

[0089] In a specific implementation, the first preset temperature range is greater than the second preset temperature range.

[0090] In this embodiment, the step S20 includes step S202, and the step S30 includes step S302:

[0091] Step S202: When the initial temperature reaches a third preset temperature range, the control valve and the water pump in the reduction gearbox liquid cooling circuit are controlled to start, and the temperature adjustment mode of the reduction gearbox is determined.

[0092] It should be noted that the third preset temperature range may be 75 degrees to 80 degrees;

[0093] It should be noted that the control valve may be a flow control valve or a proportional control valve, etc., and this embodiment does not impose any limitation on this.

[0094] It is understandable that the third preset temperature range and the control valve are different in different vehicles, and this embodiment does not limit this.

[0095] In a specific implementation, when the initial temperature of the reduction gearbox reaches the third preset temperature range, the control valve and the water pump in the reduction gearbox liquid cooling circuit are controlled to start, and the temperature adjustment mode of the reduction gearbox is determined.

[0096] Step S302: According to the temperature increase mode, the temperature of the reduction gearbox is increased by heat exchange between the lubricating oil and the coolant in the reduction gearbox liquid cooling circuit.

[0097] It should be noted that the above-mentioned heating mode can be a gearbox heating mode, or a battery pack and passenger compartment heating mode.

[0098] In a specific implementation, according to the above-mentioned heating mode, the above-mentioned control valve is started to transfer the residual heat generated by the motor to the above-mentioned reduction gearbox, and the above-mentioned water pump is started to realize heat exchange between the above-mentioned lubricating oil and the above-mentioned coolant in the above-mentioned reduction gearbox liquid cooling circuit, thereby increasing the temperature of the above-mentioned reduction gearbox through the temperature difference between the two.

[0099] In a feasible implementation manner, step S302 may further include steps S3021' to S3023':

[0100] Step 3021': when the initial temperature reaches the fourth preset temperature range, the control valve and the water pump in the reduction gearbox liquid cooling circuit are controlled to be closed, and the temperature adjustment mode of the reduction gearbox is determined.

[0101] It should be noted that the fourth preset temperature range may be 60 degrees to 65 degrees.

[0102] In a specific implementation, after the gearbox is heated up, the initial temperature inside the gearbox continues to be detected. When the initial temperature of the gearbox reaches the fourth preset temperature range, the control valve and the water pump in the liquid cooling circuit of the gearbox are controlled to be closed, and the temperature adjustment mode of the gearbox is determined.

[0103] Step 3022': according to the temperature rise callback mode, the temperature of the reduction gear box is restored by heat exchange between the lubricating oil and the coolant in the reduction gear box liquid cooling circuit.

[0104] It should be noted that the above-mentioned temperature rise callback mode can be a reduction gearbox temperature rise callback mode, or a battery and passenger compartment temperature rise callback mode.

[0105] In a specific implementation, according to the above-mentioned temperature rise callback mode, that is, the reduction gearbox is first heated up and then the temperature is adjusted back, the temperature of the reduction gearbox before heating is restored through the heat exchange between the above-mentioned lubricating oil and the above-mentioned coolant in the above-mentioned reduction gearbox liquid cooling circuit.

[0106] Step S3023', wherein the third preset temperature range is greater than the fourth preset temperature range.

[0107] In a specific implementation, the third preset temperature range is greater than the fourth preset temperature range.

[0108] In a feasible implementation manner, step S30 may further include step S31':

[0109] Step S31', when the temperature adjustment of the reduction gearbox is completed, heat of the reduction gearbox is used to perform heat exchange with the battery pack and the passenger compartment, so that the temperature of the battery pack and the passenger compartment is adjusted.

[0110] It should be noted that the above-mentioned battery pack can be a power battery inside the vehicle.

[0111] In a specific implementation, when the temperature adjustment of the above-mentioned reduction gearbox is completed, the heat of the above-mentioned reduction gearbox is used to perform heat exchange with the above-mentioned battery pack and the above-mentioned passenger compartment, so that the temperature of the above-mentioned battery pack and the above-mentioned passenger compartment can be adjusted. Such full utilization of the energy of the above-mentioned reduction gearbox can greatly improve the working efficiency of the reduction gearbox and reduce energy waste.

[0112] It should be noted that the above examples are only used to understand the present invention and do not constitute a limitation on the temperature control method of the reducer box of the present invention. More simple transformations based on this technical concept are all within the protection scope of the present invention.

[0113] refer to Figure 4 , Figure 4This is a schematic diagram of the structure of a liquid cooling circuit module of a reduction gearbox according to an embodiment of the present invention;

[0114] The present invention further provides a reduction gearbox liquid cooling circuit, the reduction gearbox liquid cooling circuit comprising:

[0115] Speed ​​reducer 1, temperature sensor 3, control valve 6, cooling fan 4 and water pump 5;

[0116] The reduction box 1 is connected to the temperature sensor 3 , the control valve 6 , the cooling fan 4 and the water pump 5 respectively.

[0117] The present invention provides a reduction gearbox temperature control device, which includes: at least one processor; and a memory connected to the at least one processor in communication; wherein the memory stores instructions that can be executed by the at least one processor, and the instructions are executed by the at least one processor so that the at least one processor can execute the reduction gearbox temperature control method in the above-mentioned embodiment one.

[0118] Reference below Figure 5 , which shows a schematic diagram of the structure of a reduction gearbox temperature control device suitable for implementing an embodiment of the present invention. The reduction gearbox temperature control device in the embodiment of the present invention may include but is not limited to mobile terminals such as mobile phones, laptop computers, digital broadcast receivers, PDAs (Personal Digital Assistants), PADs (Portable Application Descriptions), PMPs (Portable Media Players), vehicle-mounted terminals (such as vehicle-mounted navigation terminals), etc., and fixed terminals such as digital TVs, desktop computers, etc. Figure 5 The reduction gearbox temperature control device shown is only an example and should not bring any limitation to the functions and scope of use of the embodiments of the present invention.

[0119] like Figure 5As shown, the gearbox temperature control device may include a processing device 1001 (e.g., a central processing unit, a graphics processor, etc.), which can perform various appropriate actions and processes according to a program stored in a read-only memory (ROM: Read Only Memory) 1002 or a program loaded from a storage device 1003 to a random access memory (RAM: Random Access Memory) 1004. In RAM1004, various programs and data required for the operation of the gearbox temperature control device are also stored. The processing device 1001, ROM1002, and RAM1004 are connected to each other through a bus 1005. An input / output (I / O) interface 1006 is also connected to the bus. Generally, the following systems can be connected to the I / O interface 1006: an input device 1007 including, for example, a touch screen, a touch pad, a keyboard, a mouse, an image sensor, a microphone, an accelerometer, a gyroscope, etc.; an output device 1008 including, for example, a liquid crystal display (LCD: Liquid Crystal Display), a speaker, a vibrator, etc.; a storage device 1003 including, for example, a magnetic tape, a hard disk, etc.; and a communication device 1009. The communication device 1009 can allow the gearbox temperature control device to communicate with other devices wirelessly or by wire to exchange data. Although the figure shows a gearbox temperature control device with various systems, it should be understood that it is not required to implement or have all the systems shown. More or fewer systems can be implemented or provided instead.

[0120] In particular, according to the embodiments disclosed in the present invention, the process described above with reference to the flowchart can be implemented as a computer software program. For example, the embodiments disclosed in the present invention include a computer program product, which includes a computer program carried on a computer-readable medium, and the computer program contains program code for executing the method shown in the flowchart. In such an embodiment, the computer program can be downloaded and installed from the network through a communication device, or installed from the storage device 1003, or installed from the ROM 1002. When the computer program is executed by the processing device 1001, the above-mentioned functions defined in the method of the embodiment disclosed in the present invention are executed.

[0121] The reduction box temperature control device provided by the present invention adopts the reduction box temperature control method in the above embodiment, which can solve the technical problem of reduction box temperature control. Compared with the prior art, the beneficial effects of the reduction box temperature control device provided by the present invention are the same as the beneficial effects of the reduction box temperature control method provided by the above embodiment, and other technical features in the reduction box temperature control device are the same as the features disclosed in the method of the previous embodiment, which will not be repeated here.

[0122] It should be understood that the various parts disclosed in the present invention can be implemented by hardware, software, firmware or a combination thereof. In the description of the above embodiments, specific features, structures, materials or characteristics can be combined in any one or more embodiments or examples in a suitable manner.

[0123] The above is only a specific embodiment of the present invention, but the protection scope of the present invention is not limited thereto. Any person skilled in the art can easily think of changes or substitutions within the technical scope disclosed by the present invention, which should be included in the protection scope of the present invention. Therefore, the protection scope of the present invention should be based on the protection scope of the claims.

[0124] The present invention provides a computer-readable storage medium having computer-readable program instructions (ie, computer programs) stored thereon, and the computer-readable program instructions are used to execute the reduction gearbox temperature control method in the above-mentioned embodiment.

[0125] The computer-readable storage medium provided by the present invention may be, for example, a USB flash drive, but is not limited to electrical, magnetic, optical, electromagnetic, infrared, or semiconductor systems, systems or devices, or any combination thereof. More specific examples of computer-readable storage media may include, but are not limited to: an electrical connection with one or more wires, a portable computer disk, a hard disk, a random access memory (RAM), a read-only memory (ROM), an erasable programmable read-only memory (EPROM or flash memory), an optical fiber, a portable compact disk read-only memory (CD-ROM), an optical storage device, a magnetic storage device, or any suitable combination thereof. In this embodiment, the computer-readable storage medium may be any tangible medium containing or storing a program that may be used by or in combination with an instruction execution system, system or device. The program code contained on the computer-readable storage medium may be transmitted using any suitable medium, including but not limited to: wires, optical cables, RF (Radio Frequency), etc., or any suitable combination thereof.

[0126] The computer-readable storage medium may be included in the reduction gearbox temperature control device; or may exist independently without being assembled into the reduction gearbox temperature control device.

[0127] The above-mentioned computer-readable storage medium carries one or more programs. When the above-mentioned one or more programs are executed by the reduction gearbox temperature control device, the reduction gearbox temperature control device: obtains the initial temperature of the reduction gearbox when it is detected that the reduction gearbox is working; determines the temperature adjustment mode of the reduction gearbox according to whether the initial temperature of the reduction gearbox is within a preset temperature range; and controls the reduction gearbox liquid cooling circuit to adjust the temperature of the reduction gearbox according to the temperature adjustment mode.

[0128] Computer program code for performing the operations of the present invention may be written in one or more programming languages ​​or a combination thereof, including object-oriented programming languages ​​such as Java, Smalltalk, C++, and conventional procedural programming languages ​​such as "C" or similar programming languages. The program code may be executed entirely on the user's computer, partially on the user's computer, as a separate software package, partially on the user's computer and partially on a remote computer, or entirely on a remote computer or server. In the case of a remote computer, the remote computer may be connected to the user's computer through any type of network, including a local area network (LAN) or a wide area network (WAN), or may be connected to an external computer (e.g., through the Internet using an Internet service provider).

[0129] The flow chart and block diagram in the accompanying drawings illustrate the possible architecture, function and operation of the system, method and computer program product according to various embodiments of the present invention. In this regard, each square box in the flow chart or block diagram can represent a module, a program segment or a part of a code, and the module, the program segment or a part of the code contains one or more executable instructions for realizing the specified logical function. It should also be noted that in some alternative implementations, the functions marked in the square box can also occur in a sequence different from that marked in the accompanying drawings. For example, two square boxes represented in succession can actually be executed substantially in parallel, and they can sometimes be executed in the opposite order, depending on the functions involved. It should also be noted that each square box in the block diagram and / or flow chart, and the combination of the square boxes in the block diagram and / or flow chart can be implemented with a dedicated hardware-based system that performs the specified function or operation, or can be implemented with a combination of dedicated hardware and computer instructions.

[0130] The modules involved in the embodiments of the present invention may be implemented by software or hardware, wherein the name of the module does not limit the unit itself in some cases.

[0131] The readable storage medium provided by the present invention is a computer-readable storage medium, which stores computer-readable program instructions (i.e., computer programs) for executing the above-mentioned reduction box temperature control method, and can solve the technical problem of reduction box temperature control. Compared with the prior art, the beneficial effects of the computer-readable storage medium provided by the present invention are the same as the beneficial effects of the reduction box temperature control method provided by the above-mentioned embodiment, and will not be repeated here.

[0132] The present invention also provides a computer program product, comprising a computer program, wherein when the computer program is executed by a processor, the steps of the reduction gearbox temperature control method as described above are implemented.

[0133] The computer program product provided by the present invention can solve the technical problem of reducing box temperature control. Compared with the prior art, the beneficial effects of the computer program product provided by the present invention are the same as the beneficial effects of the reducing box temperature control method provided by the above embodiment, which will not be described in detail here.

[0134] The above descriptions are only some embodiments of the present invention, and are not intended to limit the patent scope of the present invention. All equivalent structural changes made using the contents of the present invention's specification and drawings under the technical concept of the present invention, or directly / indirectly applied in other related technical fields, are included in the patent protection scope of the present invention.

Claims

1. A reduction gearbox temperature control method, characterized in that: The reduction gearbox temperature control method is applied to a controller, and the controller is respectively connected to a battery pack, a passenger compartment, and a reduction gearbox liquid cooling circuit. The reduction gearbox temperature control method includes: When the reduction gearbox is detected to be working, the initial temperature of the reduction gearbox is obtained; Determining a temperature adjustment mode of the reduction box according to whether the initial temperature of the reduction box is within a preset temperature range; The reduction gearbox liquid cooling circuit is controlled according to the temperature adjustment mode to adjust the temperature of the reduction gearbox.

2. The reduction gearbox temperature control method according to claim 1, characterized in that: The preset temperature range includes a first preset temperature range, and the step of determining the temperature adjustment mode of the reduction box according to whether the initial temperature of the reduction box is within the preset temperature range includes: When the initial temperature reaches the first preset temperature range, controlling the cooling fan and the water pump in the reduction gearbox liquid cooling circuit to start, and determining the temperature adjustment mode of the reduction gearbox; Correspondingly, the temperature adjustment mode includes a cooling mode, and the step of controlling the reduction gearbox liquid cooling circuit to adjust the temperature of the reduction gearbox according to the temperature adjustment mode includes: According to the temperature reduction mode, the temperature of the reduction gearbox is reduced by heat exchange between the lubricating oil and the coolant in the reduction gearbox liquid cooling circuit.

3. The reduction gearbox temperature control method according to claim 2, characterized in that: The preset temperature range includes a second preset temperature range, and after the step of reducing the temperature of the reduction box by heat exchange between the lubricating oil and the coolant in the reduction box liquid cooling circuit according to the cooling mode, the method includes: When the initial temperature reaches the second preset temperature range, the cooling fan and the water pump in the reduction gearbox liquid cooling circuit are controlled to be turned off, and the temperature adjustment mode of the reduction gearbox is determined; Correspondingly, the temperature adjustment mode also includes a cooling callback mode, and the step of controlling the reduction gearbox liquid cooling circuit to adjust the temperature of the reduction gearbox according to the temperature adjustment mode includes: According to the temperature reduction callback mode, the temperature of the reduction gearbox is restored by heat exchange between the lubricating oil and the coolant in the reduction gearbox liquid cooling circuit; Wherein, the first preset temperature range is greater than the second preset temperature range.

4. The reduction gearbox temperature control method according to claim 1, characterized in that: The preset temperature range includes a third preset temperature range, and the step of determining the temperature adjustment mode of the reduction box according to whether the initial temperature of the reduction box is within the preset temperature range includes: When the initial temperature reaches a third preset temperature range, controlling the control valve and the water pump in the reduction gearbox liquid cooling circuit to start, and determining the temperature adjustment mode of the reduction gearbox; Correspondingly, the temperature adjustment mode includes a temperature rise mode, and the step of controlling the reduction gearbox liquid cooling circuit to adjust the temperature of the reduction gearbox according to the temperature adjustment mode includes: According to the temperature increase mode, the temperature of the reduction gearbox is increased by heat exchange between the lubricating oil and the coolant in the reduction gearbox liquid cooling circuit.

5. The reduction gearbox temperature control method according to claim 4, characterized in that: The preset temperature range includes a fourth preset temperature range, and after the step of increasing the temperature of the reduction gearbox by heat exchange between the lubricating oil and the coolant in the reduction gearbox liquid cooling circuit according to the temperature increase mode, the step includes: When the initial temperature reaches the fourth preset temperature range, the control valve and the water pump in the reduction gearbox liquid cooling circuit are controlled to be closed, and the temperature adjustment mode of the reduction gearbox is determined; Correspondingly, the temperature adjustment mode also includes a temperature rise callback mode, and the step of controlling the reduction gearbox liquid cooling circuit to adjust the temperature of the reduction gearbox according to the temperature adjustment mode includes: According to the temperature rise callback mode, the temperature of the reduction gearbox is restored by heat exchange between the lubricating oil and the coolant in the reduction gearbox liquid cooling circuit; Wherein, the third preset temperature range is greater than the fourth preset temperature range.

6. The reduction gearbox temperature control method according to claim 1, characterized in that: After the step of adjusting the temperature of the reduction box according to the reduction box temperature adjustment mode, the method further comprises: When the temperature adjustment of the reduction gearbox is completed, the heat of the reduction gearbox is used to perform heat exchange with the battery pack and the passenger compartment, so that the temperatures of the battery pack and the passenger compartment are adjusted.

7. A reduction gearbox liquid cooling circuit, characterized in that: The reduction gearbox liquid cooling circuit comprises: Gearbox, temperature sensor, control valve, cooling fan and water pump; The reduction box is connected to the temperature sensor, the control valve, the cooling fan and the water pump respectively.

8. A reduction gearbox temperature control device, characterized in that: The device comprises: a memory, a processor, and a computer program stored in the memory and executable on the processor, wherein the computer program is configured to implement the steps of the reduction gearbox temperature control method according to any one of claims 1 to 6.

9. A storage medium, characterized in that: The storage medium is a computer-readable storage medium, and a computer program is stored on the storage medium. When the computer program is executed by a processor, the steps of the reduction gearbox temperature control method according to any one of claims 1 to 6 are implemented.

10. A computer program product, characterized in that The computer program product comprises a computer program, and when the computer program is executed by a processor, the steps of the reduction gearbox temperature control method according to any one of claims 1 to 6 are implemented.

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