CN117128307A - Temperature adjustment method and device for transmission and computer readable storage medium - Google Patents

Abstract

The invention discloses a temperature adjustment method and device for a transmission and a computer readable storage medium. The method comprises the following steps: acquiring the current liquid level of cooling liquid in a transmission liquid cooling system, wherein the transmission liquid cooling system is used for controlling the transmission to work in a normal temperature range; acquiring the current temperature of the cooling liquid and the current flow of the cooling liquid in response to the current liquid level being greater than a liquid level threshold; the temperature of the transmission is adjusted based on the current temperature and the current flow. The invention solves the technical problem of poor control efficiency of the temperature of the speed changer.

Description

Temperature adjustment method, device and computer-readable storage medium for transmission

Technical field

The present invention relates to the technical field of transmissions, and in particular, to a temperature adjustment method, device and computer-readable storage medium for a transmission.

Background technique

With the development of the transportation industry, vehicle powertrains are moving towards high power and high speed. High power and high speed will cause the problem of increased heat generated by the vehicle transmission, and the transmission temperature will affect its performance and life. key factors.

At present, the transmission liquid cooling system is usually used to cool the transmission in order to control the temperature of the transmission so that the transmission can operate normally. However, the transmission liquid cooling system can usually only cool the transmission and cannot heat the transmission. The applicable scenarios are limited, and there is still a technical problem of poor control efficiency of the temperature of the transmission.

No effective solution has yet been proposed for the above technical problem of poor control efficiency of the transmission temperature.

Contents of the invention

Embodiments of the present invention provide a temperature adjustment method, device and computer-readable storage medium for a transmission, so as to at least solve the technical problem of poor control efficiency of the temperature of the transmission.

According to one aspect of an embodiment of the invention, a temperature adjustment method for a transmission is provided. The method may include: obtaining the current liquid level height of the coolant in the transmission liquid cooling system, wherein the transmission liquid cooling system is used to control the transmission to operate within a normal temperature range; in response to the current liquid level height being greater than the liquid level height threshold, obtaining the cooling liquid level The current temperature of the fluid and the current flow rate of the coolant; based on the current temperature and current flow rate, the temperature of the transmission is adjusted.

Optionally, in response to the current liquid level being greater than the liquid level threshold, before obtaining the current temperature of the coolant and the current flow rate of the coolant, the method includes: obtaining the first temperature of the electric heating tube in the transmission liquid cooling system; changing the first temperature to Compare with the first temperature threshold to obtain a first comparison result; in response to the first comparison result being that the first temperature is less than the first temperature threshold, obtain the current temperature of the coolant and the current flow rate of the coolant.

Optionally, adjusting the temperature of the transmission based on the current temperature and the current flow includes: a comparison step, comparing the current flow with a flow threshold to obtain a second comparison result; and a determination step, based on the second comparison result, determining the transmission liquid cooling system The opening data of the valve in , where the opening data is used to indicate the adjustment of the valve opening, and the valve opening is used to control the flow of coolant; the adjustment step is to adjust the temperature of the transmission based on the opening data.

Optionally, based on the second comparison result, determining the opening data of the valve in the transmission liquid cooling system includes: in response to the current flow being greater than the flow threshold, determining the opening data as the first opening data, wherein the first opening The data is used to indicate that the opening of the control valve is reduced; in response to the current flow being equal to the flow threshold, the opening data is determined to be the second opening data, wherein the second opening data is used to indicate that the opening of the control valve remains unchanged; in response When the current flow rate is less than the flow threshold, the opening data is determined to be the third opening data, where the third opening data is used to indicate increasing the opening of the control valve.

Optionally, adjusting the temperature of the transmission based on the opening data includes: obtaining the adjusted coolant flow rate in response to the opening data being the first opening data or the third opening data; The flow rate is determined as the current flow rate, and the comparison step, the determination step and the adjustment step are performed.

Optionally, the adjusting step, based on the opening data, adjusts the temperature of the transmission, including: in response to the opening data being the second opening data, comparing the current temperature with the temperature threshold to obtain a third comparison result; based on the third comparison As a result, the temperature of the transmission is regulated.

Optionally, adjusting the temperature of the transmission based on the third comparison result includes: in response to the third comparison result being that the current temperature is greater than the temperature threshold, executing a cooling instruction on the transmission, where the cooling instruction is used to instruct cooling processing on the transmission; responding When the third comparison result is that the current temperature is equal to the temperature threshold, a shutdown instruction is executed on the transmission, where the shutdown instruction is used to instruct no processing of the transmission; in response to the third comparison result that the current temperature is less than the temperature threshold, a warming instruction is executed on the transmission, Among them, the warming command is used to instruct the transmission to heat up.

According to an aspect of an embodiment of the present invention, a temperature adjustment device for a transmission is provided. The device may include: a first acquisition unit configured to obtain the current liquid level height of the cooling liquid in the transmission liquid cooling system, wherein the transmission liquid cooling system The system is used to control the transmission to work within the normal temperature range; the second acquisition unit is used to acquire the current temperature of the coolant and the current flow rate of the coolant in response to the current liquid level being greater than the liquid level threshold; the adjustment unit is used to obtain the current temperature of the coolant and the current flow rate of the coolant based on Current temperature and current flow, regulate the temperature of the transmission.

According to another aspect of the embodiment 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 run by the processor, the device where the storage medium is located is controlled to execute the implementation of the present invention. Example of the temperature adjustment method of the transmission.

According to another aspect of the embodiment of the present invention, a processor is also provided. The processor is used to run a program, wherein when the program is run, the temperature adjustment method of the transmission according to the embodiment of the present invention is executed.

According to another aspect of embodiments of the present invention, a vehicle is also provided. The vehicle is used to perform the temperature adjustment method of the transmission according to the embodiment of the present invention.

In the embodiment of the present invention, the current liquid level height of the cooling liquid in the transmission liquid cooling system is obtained, wherein the transmission liquid cooling system is used to control the transmission to operate within a normal temperature range; in response to the current liquid level height being greater than the liquid level height threshold, Obtain the current temperature of the coolant and the current flow rate of the coolant; adjust the temperature of the transmission based on the current temperature and current flow rate. That is to say, the embodiment of the present invention can determine whether the cooling liquid in the transmission liquid cooling system meets the temperature adjustment requirements of the transmission through the current liquid level height of the cooling liquid in the transmission liquid cooling system. If the current liquid level height of the cooling liquid is greater than the liquid level height threshold, it means that the coolant in the transmission liquid cooling system is sufficient to adjust the temperature of the transmission. In this case, the current temperature of the coolant and the current flow rate of the coolant can be further obtained, and based on the current flow rate of the coolant, temperature and the current flow rate of the coolant, adjust the temperature of the transmission so that the temperature of the transmission is within the normal operating range, that is, by adjusting the current temperature and current flow rate of the coolant, the temperature of the transmission can be cooled or heated to achieve accurate By controlling the temperature of the transmission, the technical problem of poor control efficiency of the temperature of the transmission is solved, and the technical effect of improving the control efficiency of the temperature of the transmission is achieved.

Description of the drawings

The drawings described here are used to provide a further understanding of the present invention and constitute a part of the present invention. The illustrative embodiments of the present invention and their descriptions are used to explain the present invention and do not constitute an improper limitation of the present invention. In the attached picture:

Figure 1 is a flow chart of a temperature adjustment method for a transmission according to an embodiment of the present invention;

Figure 2 is a flow chart of a bench test of a transmission liquid cooling system according to an embodiment of the present invention;

Figure 3 is a schematic diagram of a device for performing bench testing on a transmission liquid cooling system according to an embodiment of the present invention;

Figure 4 is a schematic diagram of a temperature regulating device of a transmission according to an embodiment of the present invention.

Detailed ways

In order to enable those skilled in the art to better understand the solutions of the present invention, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only These are some embodiments of the present invention, rather than all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts should fall within the scope of protection of the present invention.

It should be noted that the terms "first", "second", etc. in the description and claims of the present invention and the above-mentioned drawings are used to distinguish similar objects and are not necessarily used to describe a specific order or sequence. It is to be understood that the data so used are interchangeable under appropriate circumstances so that the embodiments of the invention described herein are capable of being practiced in sequences other than those illustrated or described herein. In addition, the terms "including" and "having" and any variations thereof are intended to cover non-exclusive inclusions, e.g., a process, method, system, product, or apparatus that encompasses a series of steps or units and need not be limited to those explicitly listed. Those steps or elements may instead include other steps or elements not expressly listed or inherent to the process, method, product or apparatus.

Example 1

According to an embodiment of the present invention, a temperature adjustment method for a transmission is provided. It should be noted that in the flow chart of the accompanying drawings, the steps shown therein can be executed in a computer system such as a set of computer-executable instructions, Also, although a logical order is shown in the flowchart diagrams, in some cases the steps shown or described may be performed in a different order than herein.

The temperature adjustment method of the transmission according to the embodiment of the present invention is introduced below.

Figure 1 is a flow chart of a temperature adjustment method for a transmission according to an embodiment of the present invention. As shown in Figure 1, the method may include the following steps:

Step S101: Obtain the current liquid level height of the coolant in the transmission liquid cooling system.

In the technical solution provided in the above-mentioned step S101 of the present invention, the current liquid level height of the coolant in the coolant tank in the transmission liquid cooling system can be obtained. Among them, the transmission liquid cooling system is used to control the transmission to work within the normal temperature range. The current liquid level can be represented by H1. The coolant tank is used to store coolant.

Optionally, a liquid level sensor in the transmission liquid cooling system is used to obtain the current liquid level of the coolant. The liquid level sensor can be electrically connected to the Electronic Control Unit (ECU) or can be connected to the ECU. ECU feedback coolant level signal.

It should be noted that the above method of obtaining the current liquid level of the coolant in the transmission liquid cooling system is only a preferred implementation method of obtaining the current liquid level of the coolant, and there is no need to obtain the current liquid level of the coolant here. Highly specific definitions of processes and methods.

Step S102: In response to the current liquid level height being greater than the liquid level height threshold, obtain the current temperature of the coolant and the current flow rate of the coolant.

In the technical solution provided in step S102 of the present invention, after obtaining the current liquid level height of the coolant, the current liquid level height can be compared with the liquid level height threshold. If the current liquid level height is greater than the liquid level height threshold, it means that the coolant in the transmission liquid cooling system is sufficient to regulate the temperature of the transmission. In this case, the current temperature of the coolant and the current flow rate of the coolant can be obtained; if the current If the liquid level is less than or equal to the liquid level threshold, it means that the amount of coolant is too small to regulate the temperature of the transmission. In this case, the transmission liquid cooling system device sends an alarm signal and stops operation immediately.

Optionally, the liquid level height threshold may be the current liquid level height threshold, which may be represented by Hm. The transmission liquid cooling system device may be a device corresponding to the transmission liquid cooling system undergoing bench testing. The current temperature of the coolant can be obtained through the coolant temperature sensor in the transmission liquid cooling system. The coolant temperature sensor can feedback the coolant temperature signal to the ECU. The current flow of coolant can be obtained through the coolant flow sensor in the transmission liquid cooling system, and the coolant flow sensor can feedback the coolant flow signal to the ECU.

Optionally, before obtaining the current temperature of the coolant and the current flow rate of the coolant, the current temperature of the electric heating tube can be obtained first, and the current temperature of the electric heating tube can be compared with its corresponding temperature threshold. Among them, the electric heating pipe can be in the transmission liquid cooling system, and the electric heating pipe is used to increase the coolant temperature. If the current temperature of the electric heating tube is greater than or equal to the temperature threshold, it means that the electric heating tube is in an overheated state and the temperature of the transmission cannot be adjusted. In this case, the transmission liquid cooling system device sends an alarm signal and stops operation immediately. ; If the current temperature of the electric heating tube is less than the temperature threshold, it means that the temperature of the electric heating tube has not reached the temperature threshold, and the temperature of the transmission can be adjusted. In this case, the current temperature of the coolant and The current flow of coolant allows the temperature of the transmission to be regulated.

For example, the current liquid level H1 in the coolant tank can be compared with the liquid level threshold Hm. If H1 ≤ Hm, it means that the amount of coolant is small and is not enough to adjust the temperature of the transmission. In this case , the transmission liquid cooling system device sends an alarm signal and stops running immediately; if H1>Hm, it means that the coolant in the transmission liquid cooling system is enough to regulate the temperature of the transmission. In this case, the electric heating tube can be further judged The current temperature and the size of its corresponding temperature threshold. If the current temperature of the electric heating tube is less than the temperature threshold, it means that the temperature of the electric heating tube has not reached the temperature threshold, and the temperature of the transmission can be adjusted. In this case, the current temperature of the coolant and the value of the coolant can be obtained. The current flow rate is based on the obtained current temperature and current flow rate of the coolant to achieve the purpose of adjusting the temperature of the transmission.

Step S103: Adjust the temperature of the transmission based on the current temperature and current flow rate.

In the technical solution provided in step S103 of the present invention, after obtaining the current temperature of the coolant and the current flow rate of the coolant, the temperature of the transmission can be adjusted according to the current temperature of the coolant and the current flow rate of the coolant to achieve control. The purpose of the transmission is to operate within the normal temperature range.

Optionally, compare the current flow rate of the coolant with its corresponding flow threshold, and adjust the opening of the proportional valve in the transmission liquid cooling system based on different comparison results. If the coolant flow comparison result determines that the opening of the proportional valve remains unchanged, it is necessary to further compare the current temperature of the coolant with its corresponding temperature threshold, and adjust the temperature of the transmission according to the different comparison results so that the transmission can Work within normal temperature range.

For example, if the current flow rate of the coolant is higher than the flow threshold, it means that the opening of the proportional valve is large, and the opening of the proportional valve needs to be reduced; if the current flow rate of the coolant is equal to the flow threshold, it means that the opening of the proportional valve is larger. If the opening of the valve is within the normal range, there is no need to adjust the current flow of the coolant; if the current flow of the coolant is less than the flow threshold, it means that the opening of the proportional valve is small and the opening of the proportional valve needs to be increased. .

For another example, if the current temperature of the coolant is higher than the temperature threshold, it means that the current temperature of the transmission is high and the transmission needs to be cooled; if the current temperature of the coolant is equal to the temperature threshold, it means that the current temperature of the transmission is within Within the normal temperature range, there is no need to adjust the temperature of the transmission; if the current temperature of the coolant is lower than the temperature threshold, it means that the current temperature of the transmission is low and the transmission needs to be heated.

The above-mentioned steps S101 to S103 of the present invention obtain the current liquid level height of the cooling liquid in the transmission liquid cooling system, where the transmission liquid cooling system is used to control the transmission to operate within a normal temperature range; in response to the current liquid level height being greater than the liquid level height Threshold, obtain the current temperature of the coolant and the current flow rate of the coolant; adjust the temperature of the transmission based on the current temperature and current flow rate. That is to say, the embodiment of the present invention can determine whether the cooling liquid in the transmission liquid cooling system meets the temperature adjustment requirements of the transmission through the current liquid level height of the cooling liquid in the transmission liquid cooling system. If the current liquid level height of the cooling liquid is greater than the liquid level height threshold, it means that the coolant in the transmission liquid cooling system is sufficient to adjust the temperature of the transmission. In this case, the current temperature of the coolant and the current flow rate of the coolant can be further obtained, and based on the current flow rate of the coolant, temperature and the current flow rate of the coolant, adjust the temperature of the transmission so that the temperature of the transmission is within the normal operating range, that is, by adjusting the current temperature and current flow rate of the coolant, the temperature of the transmission can be cooled or heated to achieve accurate By controlling the temperature of the transmission, the technical problem of poor control efficiency of the temperature of the transmission is solved, and the technical effect of improving the control efficiency of the temperature of the transmission is achieved.

The above method of this embodiment will be further introduced below.

As an optional embodiment, in response to the current liquid level being greater than the liquid level threshold, before obtaining the current temperature of the coolant and the current flow rate of the coolant, the method includes: obtaining the first value of the electric heating pipe in the transmission liquid cooling system. temperature; compare the first temperature with the first temperature threshold to obtain a first comparison result; in response to the first comparison result being that the first temperature is less than the first temperature threshold, obtain the current temperature of the coolant and the current flow rate of the coolant.

In this embodiment, when the current liquid level height is greater than the liquid level height threshold, before obtaining the current temperature of the coolant and the current flow rate of the coolant, the first temperature of the electric heating tube in the transmission liquid cooling system can be obtained first, and the obtained The first temperature is compared with the first temperature threshold to obtain a first comparison result. If the first comparison result is that the first temperature is less than the first temperature threshold, the current temperature of the coolant and the current flow rate of the coolant are further obtained.

Optionally, the first temperature may be the current temperature of the electric heating tube, which may be represented by T1. The electric heating tube can execute the instructions issued by the ECU to increase the temperature of the coolant. The first temperature threshold may be an upper temperature limit to which the electric heating tube can be heated, and may also be represented by Tm. The first temperature of the electric heating tube can be obtained through the electric heating tube temperature sensor in the transmission liquid cooling system, and the electric heating tube temperature sensor can feed back the electric heating tube temperature signal to the ECU. This is only an example, and the method of obtaining the first temperature of the electric heating tube is not specifically limited.

For example, before obtaining the current temperature of the coolant and the current flow rate of the coolant, if the current liquid level height of the coolant is greater than the liquid level threshold, the current temperature T1 of the electric heating tube and the first temperature threshold Tm are determined. If T1 ≥ Tm, the transmission liquid cooling system device sends an alarm signal and stops running immediately; if T1 < Tm, it is necessary to obtain the current temperature of the coolant and the current flow rate of the coolant.

As an optional embodiment, adjusting the temperature of the transmission based on the current temperature and the current flow includes: a comparing step, comparing the current flow with a flow threshold to obtain a second comparison result; and a determining step, based on the second comparison result. , determine the opening data of the valve in the transmission liquid cooling system, where the opening data is used to indicate the adjustment of the valve opening, and the valve opening is used to control the flow of coolant; the adjustment step is to adjust the temperature of the transmission based on the opening data .

In this embodiment, when adjusting the temperature of the transmission based on the current temperature and current flow rate, if the first temperature of the electric heating tube is less than the first temperature threshold, it means that the temperature of the electric heating tube has not reached the temperature threshold, and the transmission can be adjusted. The temperature of the transmission is adjusted. In this case, the flow rate of the coolant can be compared with the flow threshold to obtain a second comparison result. According to the second comparison result, it can be determined to indicate the adjustment of the valve opening in the transmission liquid cooling system. Based on the determined opening data, the temperature of the transmission can be adjusted. Among them, the valve can be a proportional valve, and the proportional valve can execute the control instructions issued by the ECU to adjust the coolant circulation flow. The current flow of coolant can be represented by L1. The flow threshold is used to represent a preset maximum flow value of the coolant, which can be a set flow rate, and can be represented by L0.

Optionally, when adjusting the temperature of the transmission based on the current temperature and current flow rate, the current flow rate of the coolant can be compared with the flow threshold value to obtain a second comparison result, and the adjustment can be made based on different comparison situations in the second comparison result. The valve opening of the proportional valve in the transmission liquid cooling system controls the flow of coolant and achieves the technical effect of adjusting the temperature of the transmission.

As an optional embodiment, based on the second comparison result, determining the opening data of the valve in the transmission liquid cooling system includes: in response to the current flow being greater than the flow threshold, determining the opening data as the first opening data, Wherein, the first opening data is used to indicate that the opening of the control valve is reduced; in response to the current flow being equal to the flow threshold, the opening data is determined to be the second opening data, wherein the second opening data is used to indicate that the control valve is The opening degree remains unchanged; in response to the current flow rate being less than the flow threshold, the opening degree data is determined to be the third opening degree data, where the third opening degree data is used to indicate increasing the opening degree of the control valve.

In this embodiment, when determining the opening data of the valve in the transmission liquid cooling system based on the obtained second comparison result, if the second comparison result indicates that the current flow rate of the coolant is greater than the flow threshold, it means that in this case , the coolant circulation system is prone to failure, so the opening of the valve can be further reduced based on the first opening data; if the current flow of the coolant is equal to the flow threshold, it means that the current flow of the coolant is within the normal range. Then there is no need to adjust the valve opening; if the current flow rate of the coolant is less than the flow threshold, it means that the current flow rate of the coolant is small, and the valve opening needs to be increased.

For example, the traffic threshold can be set as a range. Assume that the traffic threshold range can be expressed as [L0-0.5, L0+0.5], and the current traffic can be expressed as L1. Then it is necessary to determine whether the current traffic is within the traffic threshold range. If L1∈[L0-0.5, L0+0.5], it means that the current flow of coolant is within the normal range, and there is no need to adjust the valve opening; if L1>L0+0.5, it means that the current flow of coolant is within the normal range. is greater than the flow threshold. In this case, the valve opening can be controlled to decrease so that the valve flow decreases; if L1 < L0-0.5, it means that the current flow of the coolant is less than the flow threshold. In this case, the valve can be controlled The opening of the valve is increased to increase the flow of the valve.

As an optional embodiment, adjusting the temperature of the transmission based on the opening data includes: obtaining the adjusted coolant flow rate in response to the opening data being the first opening data or the third opening data; The flow rate of the adjusted coolant is determined as the current flow rate, and the comparison step, the determination step and the adjustment step are performed.

In this embodiment, when adjusting the temperature of the transmission based on the opening data, if the opening data is the first opening data, or the opening data is the third opening data, the adjusted coolant flow rate needs to be obtained , and determine the adjusted coolant flow rate as the current flow rate, and then perform the comparison step, the determination step and the adjustment step.

Optionally, when judging the size between the current flow rate of the coolant and the flow threshold, if the current flow rate of the coolant is less than the set flow rate, the opening of the proportional valve in the transmission liquid cooling system can be controlled to increase. After the opening of the proportional valve is increased, the comparison step, the determination step and the adjustment step are then performed to form a complete cycle. When there is no need to adjust the valve opening, the current temperature and temperature threshold of the coolant are then judged. size of steps.

Optionally, when judging the size between the current flow rate of the coolant and the flow threshold, if the current flow rate of the coolant is greater than the set flow rate, the opening of the proportional valve in the transmission liquid cooling system can be controlled to decrease. After the opening of the proportional valve is reduced, the comparison step, the determination step and the adjustment step are performed to form a complete cycle. When there is no need to adjust the opening of the valve, the relationship between the current temperature of the coolant and the temperature threshold is determined. size steps.

As an optional embodiment, adjusting the temperature of the transmission based on the opening data includes: in response to the opening data being the second opening data, comparing the current temperature with the temperature threshold to obtain a third comparison result; based on The third comparison result is to adjust the temperature of the transmission.

In this embodiment, when adjusting the temperature of the transmission based on the opening data, if the opening data is the second opening data, it means that there is no need to adjust the valve opening. In this case, the valve opening can be further adjusted. The current temperature is compared with the temperature threshold to obtain a third comparison result. According to the third comparison result, the temperature of the transmission is adjusted to achieve the purpose of controlling the temperature of the transmission within a normal operating range.

Optionally, when judging the size between the current flow rate of the coolant and the flow threshold, if the current flow rate of the coolant is equal to the flow threshold, the opening of the proportional valve in the transmission liquid cooling system can be controlled to remain unchanged, and the cooling rate can be further determined. The current temperature of the liquid and the size of the temperature threshold.

Optionally, when comparing the current temperature of the coolant with the temperature threshold, a third comparison result can be obtained, and based on the third comparison result, the temperature of the transmission is adjusted so that the transmission can operate within a normal temperature range.

As an optional embodiment, adjusting the temperature of the transmission based on the third comparison result includes: in response to the third comparison result that the current temperature is greater than the temperature threshold, executing a cooling instruction on the transmission, where the cooling instruction is used to indicate that the temperature of the transmission is greater than the temperature threshold. The transmission performs cooling processing; in response to the third comparison result that the current temperature is equal to the temperature threshold, a shutdown instruction is executed on the transmission, where the shutdown instruction is used to indicate that the transmission is not processed; in response to the third comparison result that the current temperature is less than the temperature threshold, Execute a warming instruction on the transmission, where the warming instruction is used to instruct the transmission to perform a heating process.

In this embodiment, based on the third comparison result, when adjusting the temperature of the transmission, if the current temperature is greater than the temperature threshold, it means that the current temperature of the transmission is too high. In this case, a cooling instruction can be executed and the transmission is cooled. Processing; if the current temperature is equal to the temperature threshold, it means that the temperature of the transmission is within the normal range. In this case, the transmission can not be processed according to the shutdown command; if the current temperature is less than the temperature threshold, it means that the current temperature of the transmission is too low. , in this case, the transmission can be heated according to the executed heating command. The temperature threshold may be a preset temperature threshold of the coolant, or may be a set temperature, represented by T0. The current temperature of the coolant can be expressed by T2.

Optionally, if the current temperature of the coolant is greater than the temperature threshold, the heat exchanger is turned on and the electric heating tube is turned off. After the heat exchanger is turned on and the electric heating tube is turned off, the coolant is used to cool the transmission, and the information on the transmission is obtained. The temperature of the coolant after cooling is used as the current temperature of the coolant, and the current temperature is compared with the temperature threshold again, and corresponding processing is performed based on different comparison results, thus forming a loop judgment logic until The current temperature of the coolant is equal to the temperature threshold. When the current temperature of the coolant is equal to the temperature threshold, it means that the temperature of the transmission is within the normal temperature range and no temperature adjustment is required.

Optionally, if the current temperature of the coolant is equal to the temperature threshold, the heat exchanger and the electric heating tube need to be closed. After closing the heat exchanger and the electric heating tube, it means that the temperature of the transmission is within the normal temperature range. And no temperature adjustment is required.

Optionally, if the current temperature of the coolant is less than the temperature threshold, you need to turn off the heat exchanger and turn on the electric heating tube. After turning off the heat exchanger and turning on the electric heating tube, use the coolant to heat the transmission and obtain the information about the transmission. The temperature of the coolant after heating is used as the current temperature of the coolant, and the current temperature is compared with the temperature threshold again, and corresponding processing is performed based on different comparison results, thus forming a loop judgment logic. until the current temperature of the coolant equals the temperature threshold. When the current temperature of the coolant is equal to the temperature threshold, it means that the temperature of the transmission is within the normal temperature range and no temperature adjustment is required.

For example, the temperature threshold can be set to a range. Assume that the temperature threshold range can be expressed as [T0-2, T0+2], and the current temperature of the coolant can be expressed as T2. You need to determine whether the current temperature is at the temperature threshold. Within the range, if T2∈[T0-2, T0+2], it means that the current temperature of the coolant is within the normal range, and there is no need to adjust the temperature of the transmission. At this time, the heat exchanger and the electric heating can be turned off. tube; if T2>T0+2, it means that the current temperature of the coolant is greater than the temperature threshold, indicating that the temperature of the transmission is high, and the heat exchanger needs to be turned on and the electric heating tube turned off to achieve the purpose of cooling the transmission; if T2 <T0+2, it means that the current temperature of the coolant is less than the temperature threshold, indicating that the temperature of the transmission is low, and it is necessary to turn off the heat exchanger and turn on the electric heating pipe to achieve the purpose of warming up the transmission.

In this embodiment, whether the coolant in the transmission liquid cooling system meets the temperature adjustment requirements of the transmission can be determined by the current liquid level height of the coolant in the transmission liquid cooling system. If the current liquid level height of the coolant is greater than the liquid level, surface height threshold, it means that the coolant in the transmission liquid cooling system is enough to adjust the temperature of the transmission. In this case, the current temperature of the coolant and the current flow rate of the coolant can be further obtained, and based on the current temperature and flow rate of the coolant, The current flow rate of the coolant adjusts the temperature of the transmission so that the temperature of the transmission is within the normal operating range. That is, the temperature of the transmission can be cooled or heated by adjusting the current temperature and current flow rate of the coolant to achieve accurate control of the transmission. temperature, thus solving the technical problem of poor control efficiency of the temperature of the transmission and achieving the technical effect of improving the control efficiency of the temperature of the transmission.

Example 2

The technical solutions of the embodiments of the present invention are illustrated below with reference to preferred implementation modes.

With the development of the modern transportation industry, vehicle powertrains are moving towards high power and high speed. However, high power and high speed bring about the problem of increased transmission heat. Transmission temperature often affects vehicle performance. It is a key factor in transmission temperature and service life, so a cooling system is needed to regulate the transmission temperature. In related technologies, most of the transmission liquid cooling systems can only be used to cool the transmission in order to control the transmission temperature so that the transmission can operate normally. However, due to the lack of complete self-protection functions, the safety of the vehicle cannot be guaranteed. . However, it does not consider cooling or heating the temperature of the transmission through the current temperature and current flow rate of the coolant to achieve accurate control of the temperature of the transmission. Therefore, there is still a technical problem of poor control efficiency of the temperature of the transmission.

In a possible implementation, a transmission cooling system is proposed. The system includes a transmission, a cooler and a water tank. The cooler is provided with an oil cooling channel and cooling components. The transmission is connected with the oil cooling channel to form lubricating oil. In the loop, the cooling component can cool the lubricating oil flowing through the oil cooling channel. The system also includes an auxiliary cooling structure. The auxiliary cooling structure includes an auxiliary cooling channel. The auxiliary cooling channel is located in the shell wall of the transmission housing, and/or Covered on the surface of the transmission case, the auxiliary cooling channel is connected with the water tank to form an auxiliary coolant circuit. The above system can control the operating temperature of the transmission so that the transmission is always in normal working condition. However, this system still has a technical problem of poor efficiency in controlling the temperature of the transmission.

In another possible implementation, a transmission bench test cooling circulation system and control method are proposed. The system includes a mold temperature controller, an expansion kettle, a water pump, a control valve, a flow meter, a mold temperature controller, an expansion kettle, The water pump, control valve, flow meter and transmission water inlet are connected with pipelines in turn, and the transmission water outlet is connected back to the mold temperature controller through pipelines. The system also includes connections to the mold temperature controller, water pump, control valve, flow meter, and transmission to obtain the temperature signal of the mold temperature controller, the speed signal of the water pump, the opening signal of the control valve, the reading signal of the flow meter, and the oil of the transmission It is a control device that receives temperature signals and controls the outlet water temperature of the mold temperature machine, the speed of the water pump, and the opening of the control valve. However, this system still has a technical problem of poor efficiency in controlling the temperature of the transmission.

In another possible implementation, an automobile automatic transmission cooling device is proposed, including an automatic transmission, an air-cooled oil cooler, and a water-cooled oil cooler. The air-cooled oil cooler and the water-cooled oil cooler are connected in parallel at the transmission oil outlet. to the pipeline to the transmission oil inlet; connect the electromagnetic control valve to the transmission oil outlet pipe. After passing through the electromagnetic control valve, the pipeline is divided into two lines, one is connected to the air-cooled oil cooler, the other is connected to the water-cooled oil cooler, and the air-cooled The oil outlet pipes from the oil cooler and water-cooled oil cooler pass through a tee and are connected to the transmission oil inlet pipe and enter the transmission oil inlet; the solenoid valves can be used to control the flow of air-cooled oil cooler and water-cooled oil respectively. Opening and closing of the cooler oil circuit. However, this device still has a technical problem of poor control efficiency of the temperature of the transmission.

Therefore, in order to solve the above problems, the present invention provides a temperature adjustment method, device, processor and electronic equipment for a transmission. The above method is to obtain the current liquid level height of the coolant in the transmission liquid cooling system, and compare the height with the liquid level. Compare with the surface height threshold. If the current liquid level is greater than the liquid level threshold, the current temperature and current flow rate of the coolant can be determined. Based on the current temperature and current flow rate of the coolant, the temperature of the transmission is controlled, thereby achieving improved control. Technical effect of transmission temperature control efficiency.

Figure 2 is a flow chart of a bench test of a transmission liquid cooling system according to an embodiment of the present invention. As shown in Figure 2, the method may include the following steps:

Step S201, determine whether the current liquid level height in the cooling liquid tank in the transmission liquid cooling system is greater than the current liquid level height threshold.

In this embodiment, it can be determined whether the current liquid level height in the cooling liquid tank in the transmission liquid cooling system is greater than the current liquid level height threshold. If the current liquid level height in the coolant tank is less than or equal to the current liquid level height threshold, step S202 is executed. If the current liquid level height in the coolant tank is greater than the current liquid level height threshold, step S203 is executed. Among them, the current liquid level height in the coolant tank can be represented by H1, and the current liquid level height threshold can be represented by Hm.

Step S202, the transmission liquid cooling system device sends an alarm signal and immediately stops operation.

In this embodiment, when determining whether the current liquid level in the coolant tank in the transmission liquid cooling system is greater than the current liquid level threshold, if the current liquid level in the coolant tank is less than or equal to the current liquid level threshold, then The transmission liquid cooling system device sends an alarm signal and stops operation immediately. The transmission liquid cooling system device may be a device corresponding to the transmission liquid cooling system undergoing bench testing.

Optionally, when determining whether the current temperature of the electric heating tube in the transmission liquid cooling system is greater than or equal to the temperature threshold, if the current temperature of the electric heating tube is greater than or equal to the temperature threshold, the transmission liquid cooling system device needs to send an alarm signal and immediately Stop running.

Step S203, determine whether the current temperature of the electric heating tube in the transmission liquid cooling system is greater than or equal to the temperature threshold.

In this embodiment, if the current liquid level in the coolant tank is greater than the current liquid level threshold, it is necessary to further determine whether the current temperature of the electric heating tube in the transmission liquid cooling system is greater than or equal to the temperature threshold. If the electric heating tube If the current temperature is greater than or equal to the temperature threshold, step S202 may be executed. If the current temperature of the electric heating tube is less than the temperature threshold, step S204 may be executed. Among them, the current temperature of the electric heating tube can be represented by T1, and the temperature threshold can be represented by Tm.

Step S204, determine the current flow rate and the set flow rate of the coolant.

In this embodiment, when determining whether the current temperature of the electric heating tube in the transmission liquid cooling system is greater than or equal to the temperature threshold, if the current temperature of the electric heating tube is less than the temperature threshold, it is necessary to further determine the current flow rate and setting of the coolant. Determine the size of the flow. If the current flow rate of the coolant is less than the set flow rate, step S205 is executed; if the current flow rate of the coolant is equal to the set flow rate, step S206 is executed; if the current flow rate of the coolant is greater than the set flow rate, step S207 is executed. Among them, the current flow rate of the coolant can be represented by L1, and the set flow rate can be represented by L0.

For example, the traffic threshold can be set as a range. Assume that the traffic threshold range can be expressed as [L0-0.5, L0+0.5], and the current traffic can be expressed as L1. Then it is necessary to determine whether the current traffic is within the traffic threshold range. If L1∈[L0-0.5, L0+0.5], it means that the current flow of coolant is within the normal range, and there is no need to adjust the valve opening; if L1>L0+0.5, it means that the current flow of coolant is within the normal range. is greater than the flow threshold. In this case, the valve opening can be controlled to decrease so that the valve flow decreases; if L1 < L0-0.5, it means that the current flow of the coolant is less than the flow threshold. In this case, the valve can be controlled The opening of the valve is increased to increase the flow of the valve.

Step S205, instruct the opening of the proportional valve in the transmission liquid cooling system to increase.

In this embodiment, when judging the size between the current flow rate of the coolant and the set flow rate, if the current flow rate of the coolant is less than the set flow rate, it can be instructed to increase the opening of the proportional valve in the transmission liquid cooling system. , after increasing the opening of the proportional valve, execute step S204.

Step S206, instruct the opening of the proportional valve in the transmission liquid cooling system to remain unchanged.

In this embodiment, when judging the size between the current flow rate of the coolant and the set flow rate, if the current flow rate of the coolant is equal to the set flow rate, it can be indicated that the opening of the proportional valve in the transmission liquid cooling system remains unchanged. , and execute step S208.

Step S207, instruct the opening of the proportional valve in the transmission liquid cooling system to decrease.

In this embodiment, when determining the size between the current flow rate of the coolant and the set flow rate, if the current flow rate of the coolant is greater than the set flow rate, it may be instructed to reduce the opening of the proportional valve in the transmission liquid cooling system. , after reducing the opening of the proportional valve, execute step S204.

Step S208: Determine the current temperature of the coolant and the set temperature.

In this embodiment, if the current flow rate of the coolant is equal to the set flow rate and the opening of the proportional valve in the transmission liquid cooling system remains unchanged, the current temperature of the coolant and the set temperature can be determined. If the current temperature of the coolant is greater than the set temperature, step S209 is executed; if the current temperature of the coolant is equal to the set temperature, step S210 is executed; if the current temperature of the coolant is less than the set temperature, step S211 is executed. Among them, the current temperature of the coolant can be represented by T2, and the set temperature can be represented by T0.

For example, the temperature threshold can be set to a range. Assume that the temperature threshold range can be expressed as [T0-2, T0+2], and the current temperature of the coolant can be expressed as T2. You need to determine whether the current temperature is at the temperature threshold. Within the range, if T2∈[T0-2, T0+2], it means that the current temperature of the coolant is within the normal range, and there is no need to adjust the temperature of the transmission. At this time, the heat exchanger and the electric heating can be turned off. tube; if T2>T0+2, it means that the current temperature of the coolant is greater than the temperature threshold, indicating that the temperature of the transmission is high, and the heat exchanger needs to be turned on and the electric heating tube turned off to achieve the purpose of cooling the transmission; if T2 <T0+2, it means that the current temperature of the coolant is less than the temperature threshold, indicating that the temperature of the transmission is low, and it is necessary to turn off the heat exchanger and turn on the electric heating pipe to achieve the purpose of warming up the transmission.

Step S209: Turn on the heat exchanger and turn off the electric heating tube.

In this embodiment, if the current temperature of the coolant is greater than the set temperature, the heat exchanger is turned on and the electric heating tube is turned off. After the heat exchanger is turned on and the electric heating tube is turned off, step S208 can be performed.

Step S210, close the heat exchanger and the electric heating tube.

In this embodiment, if the current temperature of the coolant is equal to the set temperature, the heat exchanger and the electric heating tube need to be closed. After closing the heat exchanger and the electric heating tube, step S203 can be performed.

Step S211, close the heat exchanger and open the electric heating tube.

In this embodiment, if the current temperature of the coolant is less than the set temperature, the heat exchanger needs to be turned off and the electric heating tube needs to be turned on. After the heat exchanger is turned off and the electric heating tube is turned on, step S208 can be performed.

In step S201 to step S211, it can first be determined whether the current liquid level height in the coolant tank in the transmission liquid cooling system is greater than the current liquid level height threshold. If the current liquid level height in the coolant tank is greater than the current liquid level height threshold, then It is necessary to further determine whether the current temperature of the electric heating tube in the transmission liquid cooling system is greater than the temperature threshold. If the current temperature of the electric heating tube is less than the temperature threshold, it is necessary to further determine the current flow rate of the coolant and the set flow rate. If If the current flow rate of the coolant is equal to the set flow rate, it can indicate that the opening of the proportional valve in the transmission liquid cooling system remains unchanged, and further determine the size of the current temperature of the coolant and the set temperature. If the current temperature of the coolant is greater than the set temperature, turn on the heat exchanger and turn off the electric heating tube; if the current temperature of the coolant is equal to the set temperature, you need to turn off the heat exchanger and turn off the electric heating tube; if the current temperature of the coolant is If the temperature is lower than the set temperature, it is necessary to close the heat exchanger and open the electric heating tube, thereby solving the technical problem of poor temperature control efficiency of the transmission and achieving the technical effect of improving the temperature control efficiency of the transmission.

Figure 3 is a schematic diagram of a device for performing bench testing on a transmission liquid cooling system according to an embodiment of the present invention. As shown in Figure 3, the schematic diagram of the device includes: a transmission sample fixing device 301, a transmission sample 302, and a coolant temperature Sensor 303, coolant flow sensor 304, coolant tank 305, liquid level sensor 306, proportional valve 307, electronic control unit 308, coolant circulation pipeline 309, electric heating tube 310, electric heating tube temperature sensor 311, heat exchanger 312, industrial cooling water pipeline 313.

The transmission sample fixing device 301 is used for mechanical hard connection with the sample and the bench, and its function is to fix the tested sample on the bench.

The transmission sample 302 may be a sample under test.

The coolant temperature sensor 303 is used for electrical connection with the ECU 308, and its function is to feed back the coolant temperature signal to the ECU control unit.

The coolant temperature sensor 304 is used for electrical connection with the ECU 308, and its function is to feed back the coolant flow signal to the ECU control unit.

Coolant tank 305 is used to store coolant.

The liquid level sensor 306 is used for electrical connection with the ECU 308 and can feed back the coolant height signal to the ECU control unit.

The proportional valve 307 is used for electrical connection with the ECU 308, and can execute the instructions issued by the ECU control unit to adjust the coolant circulation flow.

The ECU control unit 308 is used to make electrical connections with sensors and actuators in the system, and can receive sensor feedback signals, make decisions, and send command signals to actuators.

The coolant circulation line 309 is used to provide a flow channel for the coolant.

The electric heating tube 310 is used for electrical connection with the ECU 308, and can execute instructions issued by the ECU control unit to increase the coolant temperature.

The electric heating tube temperature sensor 311 is used for electrical connection with the ECU 308 and can feed back the electric heating tube temperature signal to the ECU control unit.

The heat exchanger 312 is used for electrical connection with the ECU 308, and can execute instructions issued by the ECU control unit to reduce the coolant temperature.

The industrial cooling water pipeline 313 is used to provide industrial cooling water to the heat exchanger 312 to cool the cooling liquid.

Optionally, the cooling water tank 305, the proportional valve 307, the heat exchanger 312 and the electric heating pipe 310 can be connected in series through a coolant circulation pipeline, and connected to the transmission sample room through two coolant pipelines, wherein one If one flows into the pipe, the other flows out of the pipe.

In this embodiment, the designed device for bench testing of the transmission liquid cooling system has a simple structure and is equipped with an ECU control unit and a sufficient number of sensors and actuators, providing hardware for the function, performance, safety and reliability of the device. Support, thereby solving the technical problem of poor control efficiency of the temperature of the transmission, and achieving the technical effect of improving the control efficiency of the temperature of the transmission.

Example 3

According to an embodiment of the present invention, a temperature regulating device for a transmission is provided. It should be noted that the temperature adjustment device of the transmission can be used to perform a temperature adjustment method of the transmission in Embodiment 1.

Figure 4 is a schematic diagram of a temperature regulating device of a transmission according to an embodiment of the present invention. As shown in FIG. 4 , a temperature adjustment device 400 of a transmission may include: a first acquisition unit 401 , a second acquisition unit 402 and an adjustment unit 403 .

The first acquisition unit 401 is used to acquire the current liquid level of the coolant in the transmission liquid cooling system, where the transmission liquid cooling system is used to control the transmission to operate within a normal temperature range.

The second acquisition unit 402 is configured to acquire the current temperature of the cooling liquid and the current flow rate of the cooling liquid in response to the current liquid level height being greater than the liquid level height threshold.

The adjustment unit 403 is used to adjust the temperature of the transmission based on the current temperature and the current flow rate.

Optionally, the second acquisition unit 402 includes: a first acquisition module for acquiring the first temperature of the electric heating tube in the transmission liquid cooling system; and a second acquisition module for comparing the first temperature with the first temperature threshold. , obtain the first comparison result; the third acquisition module is configured to obtain the current temperature of the coolant and the current flow rate of the coolant in response to the first comparison result being that the first temperature is less than the first temperature threshold.

Optionally, the adjustment unit 403 includes: a comparison module, used in the comparison step, to compare the current flow rate with the flow threshold value, to obtain a second comparison result; and a determination module, used in the determination step, to determine the transmission liquid cooling based on the second comparison result. The opening data of the valve in the system, where the opening data is used to indicate the adjustment of the valve opening, which is used to control the flow of coolant; the adjustment module is used for the adjustment step, based on the opening data, to adjust the temperature of the transmission .

Optionally, the determination module may include: a first determination sub-module, configured to determine the opening data as first opening data in response to the current flow being greater than the flow threshold, wherein the first opening data is used to indicate the opening of the control valve. the second determination sub-module is used to determine the opening data as the second opening data in response to the current flow being equal to the flow threshold, wherein the second opening data is used to indicate that the opening of the control valve remains unchanged; the third The third determination sub-module is configured to determine the opening data as the third opening data in response to the current flow being less than the flow threshold, wherein the third opening data is used to indicate increasing the opening of the control valve.

Optionally, the adjustment module may include: a first acquisition sub-module, configured to acquire the adjusted coolant flow rate in response to the opening data being the first opening data or the third opening data; an execution sub-module, using In order to determine the adjusted coolant flow rate as the current flow rate, a comparison step, a determination step and an adjustment step are performed.

Optionally, the adjustment module may also include: a second acquisition sub-module, configured to compare the current temperature with the temperature threshold in response to the opening data being the second opening data, and obtain a third comparison result; an adjustment sub-module, with Based on the third comparison result, the temperature of the transmission is adjusted.

Optionally, the adjustment sub-module may also include: in response to the third comparison result that the current temperature is greater than the temperature threshold, executing a cooling instruction on the transmission, where the cooling instruction is used to instruct cooling processing of the transmission; in response to the third comparison result: When the current temperature is equal to the temperature threshold, a shutdown instruction is executed on the transmission, where the shutdown instruction is used to indicate that the transmission is not processed; in response to the third comparison result that the current temperature is less than the temperature threshold, a warming instruction is executed on the transmission, where the warming instruction is used to Instructs the transmission to be warmed up.

In this embodiment, the current liquid level of the coolant in the transmission liquid cooling system is obtained through the first acquisition unit, where the transmission liquid cooling system is used to control the transmission to operate within a normal temperature range; the second acquisition unit is used to respond When the current liquid level height is greater than the liquid level height threshold, the current temperature of the coolant and the current flow rate of the coolant are obtained; the adjustment unit is used to adjust the temperature of the transmission based on the current temperature and the current flow rate, thus solving the problem of controlling the temperature of the transmission The technical problem of poor efficiency has been solved, and the technical effect of improving the temperature control efficiency of the transmission has been achieved.

Example 4

According to an embodiment 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 run by the processor, the device where the storage medium is located is controlled to perform the transmission of the transmission in Embodiment 1. Temperature adjustment method.

Example 5

According to an embodiment of the present invention, a processor is further provided, and the processor is configured to run a program, wherein when the program is run, the temperature adjustment method of the transmission in Embodiment 1 is executed.

The above serial numbers of the embodiments of the present invention are only for description and do not represent the advantages and disadvantages of the embodiments.

In the above-mentioned embodiments of the present invention, each embodiment is described with its own emphasis. For parts that are not described in detail in a certain embodiment, please refer to the relevant descriptions of other embodiments.

In the several embodiments provided by the present invention, it should be understood that the disclosed technical content can be implemented in other ways. The device embodiments described above are only illustrative. For example, the division of units can be a logical functional division. In actual implementation, there may be other division methods. For example, multiple units or components can be combined or integrated into Another system, or some features can be ignored, or not implemented. On the other hand, the coupling or direct coupling or communication connection between each other shown or discussed may be through some interfaces, and the indirect coupling or communication connection of the units or modules may be in electrical or other forms.

Units described as separate components may or may not be physically separate, and components shown as units may or may not be physical units, that is, they may be located in one place, or they may be distributed over multiple units. Some or all of the units can be selected according to actual needs to achieve the purpose of the solution of this embodiment.

In addition, each functional unit in various embodiments of the present invention can be integrated into one processing unit, or each unit can exist physically alone, or two or more units can be integrated into one unit. The above integrated units can be implemented in the form of hardware or software functional units.

Integrated units may be stored in a computer-readable storage medium if they are implemented in the form of software functional units and sold or used as independent products. Based on this understanding, the technical solution of the present invention is essentially or contributes to the existing technology or all or part of the technical solution can be embodied in the form of a software product, and the computer software product is stored in a storage medium , including several instructions to cause a computer device (which can be a personal computer, a server or a network device, etc.) to execute all or part of the steps of the methods of various embodiments of the present invention. The aforementioned storage media include: U disk, read-only memory (ROM, Read-Only Memory), random access memory (RAM, Random Access Memory), mobile hard disk, magnetic disk or optical disk and other media that can store program code. .

The above are only the preferred embodiments of the present invention. It should be pointed out that for those of ordinary skill in the art, several improvements and modifications can be made without departing from the principles of the present invention. These improvements and modifications should also be regarded as It is the protection scope of the present invention.

Claims (10)

1. A method of temperature regulation of a transmission, comprising:

acquiring the current liquid level of cooling liquid in a transmission liquid cooling system, wherein the transmission liquid cooling system is used for controlling the transmission to work in a normal temperature range;

acquiring the current temperature of the cooling liquid and the current flow of the cooling liquid in response to the current liquid level being greater than a liquid level threshold;

the temperature of the transmission is adjusted based on the current temperature and the current flow.

2. The method of claim 1, wherein, in response to the current level being greater than a level threshold, prior to obtaining the current temperature of the cooling fluid and the current flow of the cooling fluid, comprising:

acquiring a first temperature of an electric heating pipe in the transmission liquid cooling system;

comparing the first temperature with a first temperature threshold value to obtain a first comparison result;

And in response to the first comparison result being that the first temperature is less than the first temperature threshold, obtaining the current temperature of the cooling liquid and the current flow rate of the cooling liquid.

3. The method of claim 1, wherein adjusting the temperature of the transmission based on the current temperature and the current flow comprises:

a comparison step, comparing the current flow with a flow threshold value to obtain a second comparison result;

determining opening data of a valve in the transmission liquid cooling system based on the second comparison result, wherein the opening data is used for indicating and adjusting the opening of the valve, and the opening of the valve is used for controlling the flow of the cooling liquid;

and an adjustment step of adjusting the temperature of the transmission based on the opening degree data.

4. The method of claim 3, wherein determining opening data for a valve in the transmission fluid cooling system based on the second comparison result comprises:

determining the opening data to be first opening data in response to the current flow being greater than the flow threshold, wherein the first opening data is used for indicating to control the opening of the valve to be reduced;

Determining the opening data to be second opening data in response to the current flow rate being equal to the flow rate threshold, wherein the second opening data is used for indicating that the opening of the valve is controlled to be unchanged;

and determining the opening data to be third opening data in response to the current flow is smaller than the flow threshold, wherein the third opening data is used for indicating to control the opening of the valve to be enlarged.

5. A method according to claim 3, wherein adjusting the temperature of the transmission based on the opening data comprises:

responding to the opening data as first opening data or third opening data to obtain the flow of the adjusted cooling liquid;

and determining the flow rate of the cooling liquid after the adjustment as the current flow rate, and executing the comparing step, the determining step and the adjusting step.

6. A method according to claim 3, wherein adjusting the temperature of the transmission based on the opening data comprises:

responding to the opening data as second opening data, and comparing the current temperature with a temperature threshold value to obtain a third comparison result;

and adjusting the temperature of the transmission based on the third comparison result.

7. The method of claim 6, wherein adjusting the temperature of the transmission based on the third comparison result comprises:

responding to the third comparison result that the current temperature is larger than the temperature threshold value, and executing a cooling instruction on the transmission, wherein the cooling instruction is used for indicating cooling treatment on the transmission;

executing a closing instruction to the transmission in response to the third comparison result that the current temperature is equal to the temperature threshold, wherein the closing instruction is used for indicating that the transmission is not processed;

and executing a temperature raising instruction on the transmission in response to the third comparison result that the current temperature is smaller than the temperature threshold, wherein the temperature raising instruction is used for indicating temperature raising processing on the transmission.

8. A temperature adjustment device of a transmission, characterized by comprising:

the first acquisition unit is used for acquiring the current liquid level of the cooling liquid in the transmission liquid cooling system, wherein the transmission liquid cooling system is used for controlling the transmission to work in a normal temperature range;

a second obtaining unit, configured to obtain a current temperature of the cooling liquid and a current flow rate of the cooling liquid in response to the current liquid level being greater than a liquid level threshold;

And the adjusting unit is used for adjusting the temperature of the transmission based on the current temperature and the current flow.

9. A computer readable storage medium, characterized in that the computer readable storage medium comprises a stored program, wherein the program, when run by a processor, controls a device in which the storage medium is located to perform the method of any one of claims 1 to 7.

10. A processor for running a program, wherein the program when run performs the method of any one of claims 1 to 7.