CN116860032A

CN116860032A - Control method and device for temperature calibration device and computer readable storage medium

Info

Publication number: CN116860032A
Application number: CN202310700067.5A
Authority: CN
Inventors: 杨宝平; 肖遥
Original assignee: C&b Electronics SZ Co ltd
Current assignee: C&b Electronics SZ Co ltd
Priority date: 2023-06-13
Filing date: 2023-06-13
Publication date: 2023-10-10

Abstract

The present invention relates to the field of control technologies of temperature calibration devices, and in particular, to a method and an apparatus for controlling a temperature calibration device, and a computer readable storage medium. The method comprises the following steps: determining the temperature difference between the current temperature of the calibration side of the temperature control table and the set temperature; determining a first target opening of the high-temperature electronic valve according to the temperature difference, and controlling the opening of the high-temperature electronic valve to be adjusted to the first target opening; and determining a second target opening of the low-temperature electronic valve according to the temperature difference, and controlling the opening of the low-temperature electronic valve to be adjusted to the second target opening. Through setting up a high temperature oil groove and a low temperature oil groove, the valve opening of two oil grooves is controlled through the electronic valve, makes high temperature oil and low temperature oil in the oil groove flow out and meet to accuse temperature platform department through opening the valve, with the temperature of accuse temperature platform rise or reduce. The problem of how to guarantee temperature control efficiency when improving the accuse temperature precision is solved.

Description

Control method and device for temperature calibration device and computer readable storage medium

Technical Field

The present invention relates to the field of temperature calibration technologies, and in particular, to a method and an apparatus for controlling a temperature calibration device, and a computer readable storage medium.

Background

The heat conduction oil is used for calibrating and measuring the metal resistance at different temperatures, and compared with the heat conduction oil which is used for calibrating and measuring by adopting a heating wire infrared temperature control system, the temperature control precision of the heat conduction oil is higher than that of the heating wire, so that the heat conduction oil is commonly used for calibrating and measuring the high-precision resistance, for example, the temperature resistance calibration is carried out on a flow detection module of the flow divider.

In the related technical scheme of heat conduction oil temperature control, chinese patent application number CN202021133808.4 discloses a high convenience temperature control structure, when the temperature of the heat conduction oil that flows out in the high temperature mixing oil chamber is lower than that of the set temperature, opens partial flow diversion valve, and closes partial flow diversion valve for the higher temperature heat conduction oil that gets into the honeycomb duct can partly flow out from the branch pipe, and partly gets into the heat exchanger and cools down, mixes the higher temperature heat conduction oil that flows out from the branch pipe with the lower temperature heat conduction oil that flows out from the heat exchanger at last, obtains the heat conduction oil of set temperature.

However, if the above scheme is applied to calibration of different temperature resistances of the component to be calibrated, the heat conduction oil with the set temperature is obtained by mixing the two heat conduction oils with different temperatures, and then the heat conduction oil can be used for heating/cooling, and the change of the heat conduction oil between different set temperatures needs to wait for a certain time, which has the defect of lower calibration efficiency; and, because the separation cavity that sets up between conduction oil and the part of waiting to mark can lose the heat of conduction oil, lead to waiting to mark and have the error between final calibration temperature and the settlement temperature of part, have the lower defect of calibration precision.

The foregoing is provided merely for the purpose of facilitating understanding of the technical solutions of the present invention and is not intended to represent an admission that the foregoing is prior art.

Disclosure of Invention

The invention mainly aims to provide a control method of a temperature calibration device, which aims to solve the problem of how to improve the temperature control precision and ensure the temperature control efficiency.

In order to achieve the above object, the present invention provides a control method of a temperature calibration device, the method comprising:

determining the temperature difference between the current temperature of the calibration side of the temperature control table and the set temperature;

determining a first target opening of the high-temperature electronic valve according to the temperature difference, and controlling the opening of the high-temperature electronic valve to be adjusted to the first target opening;

and determining a second target opening of the low-temperature electronic valve according to the temperature difference, and controlling the opening of the low-temperature electronic valve to be adjusted to the second target opening.

Optionally, the step of determining a first target opening of the high-temperature electronic valve according to the temperature difference, and controlling the opening of the high-temperature electronic valve to be adjusted to the first target opening includes:

if the set temperature is higher than the current temperature, determining the maximum opening of the high-temperature electronic valve as the first target opening, and controlling the opening of the high-temperature electronic valve to be adjusted to the first target opening;

The step of determining a second target opening of the low-temperature electronic valve according to the temperature difference, and controlling the opening of the low-temperature electronic valve to be adjusted to the second target opening comprises the following steps:

when the temperature rising rate corresponding to the maximum opening and the temperature difference meet a first preset condition, determining the maximum opening of the low-temperature electronic valve as the second target opening, and controlling the opening of the low-temperature electronic valve to be adjusted to the second target opening;

the first preset condition is that the temperature difference is smaller than a preset first temperature difference threshold value, and the temperature rising rate is larger than a preset first rate threshold value.

if the set temperature is lower than the current temperature, determining the maximum opening of the low-temperature electronic valve as the second target opening, and controlling the opening of the low-temperature electronic valve to be adjusted to the second target opening;

When the cooling rate corresponding to the maximum opening and the temperature difference meet a second preset condition, determining the maximum opening of the high-temperature oil groove valve as the first target opening, and controlling the opening of the high-temperature electronic valve to be adjusted to the first target opening;

the second preset condition is that the temperature difference is smaller than a preset second temperature difference threshold value, and the cooling rate is larger than a preset second rate threshold value.

determining a first opening corresponding to a preset temperature change rate as the first target opening, and controlling the opening of the high-temperature electronic valve to be adjusted to the first target opening;

determining a second opening corresponding to a preset temperature change rate as the second target opening, and controlling the opening of the low-temperature electronic valve to be adjusted to the second target opening;

Wherein the preset temperature change rate comprises a preset heating rate or a preset cooling rate.

Optionally, before the step of determining the first target opening of the high-temperature electronic valve and the second target opening of the low-temperature electronic valve according to the temperature difference, the method further includes:

determining a preset temperature reaching strategy, wherein the preset temperature reaching strategy comprises a rapid temperature reaching strategy and uniform temperature reaching Wen Celve;

the step of determining the first target opening of the high-temperature electronic valve and the second target opening of the low-temperature electronic valve according to the temperature difference comprises the following steps:

if the rapid temperature reaching strategy is adopted, determining the first target opening and the second target opening according to the temperature difference and the maximum opening of the oil groove valve;

and if the uniform temperature reaching strategy is adopted, determining the first target opening and the second target opening according to the temperature difference and a preset temperature change rate.

Optionally, the step of determining a second target opening of the low-temperature electronic valve according to the temperature difference, and controlling the opening of the low-temperature electronic valve to be adjusted to the second target opening further includes:

determining whether the absolute value of the temperature difference is smaller than a preset overtemperature prevention threshold value;

If the set temperature is higher than the current temperature, reducing the first target opening based on a preset overtemperature prevention strategy, and controlling the opening of the high-temperature electronic valve to be adjusted to the reduced second target opening; and/or increasing the second target opening degree, and controlling the opening degree of the low-temperature electronic valve to be adjusted to the increased second target opening degree;

if the set temperature is lower than the current temperature, increasing the first target opening based on the over-temperature prevention strategy, and controlling the opening of the high-temperature electronic valve to be adjusted to the increased first target opening; and/or reducing the second target opening degree, and controlling the opening degree of the low-temperature electronic valve to be adjusted to the reduced second target opening degree;

otherwise, after a preset period, returning to execute the step of determining whether the absolute value of the temperature difference is smaller than a preset overtemperature prevention threshold value.

Optionally, the over-temperature prevention strategy includes:

determining a target temperature electronic valve opening corresponding to the temperature difference at the current moment as the first target opening, and/or determining a target low temperature electronic valve opening corresponding to the temperature difference at the current moment as the second target opening;

If the set temperature is higher than the current temperature, the target high-temperature electronic valve opening is smaller than the current opening of the high-temperature electronic valve, and the target low-temperature electronic valve opening is larger than the current opening of the low-temperature electronic valve;

if the set temperature is lower than the current temperature, the target high-temperature electronic valve opening is larger than the current opening of the high-temperature electronic valve, and the target low-temperature electronic valve opening is smaller than the current opening of the low-temperature electronic valve;

or,

if the set temperature is higher than the current temperature, determining a first target opening negative increment and/or a second target opening positive increment corresponding to a temperature difference at the current moment based on a preset time interval, and adjusting the first target opening according to the first target opening negative increment and/or adjusting the second target opening according to the second target opening positive increment;

and if the set temperature is lower than the current temperature, determining a first target opening positive increment and/or a second target opening negative increment corresponding to the temperature difference at the current moment based on a preset time interval, and adjusting the first target opening according to the first target opening positive increment and/or adjusting the second target opening according to the second target opening negative increment.

Optionally, the controlling the opening degree of the high-temperature electronic valve to be adjusted to the first target opening degree includes:

the current opening of the high-temperature electronic valve is adjusted based on a first preset opening increment until the current opening of the high-temperature electronic valve is adjusted to the first target opening;

the controlling the opening degree of the low-temperature electronic valve to be adjusted to the second target opening degree includes:

and adjusting the current opening of the low-temperature electronic valve based on a second preset opening increment until the current opening of the low-temperature electronic valve is adjusted to the second target opening.

adjusting the current opening of the high-temperature electronic valve to the first target opening based on a preset adjusting rate;

and adjusting the current opening of the low-temperature electronic valve to the second target opening based on the preset adjusting rate.

Predicting the temperature reaching time according to the temperature change rate of the calibration side at the current moment;

if the set temperature is higher than the current temperature, the high-temperature electronic valve is controlled to be closed when the temperature reaching time is smaller than a preset first temperature reaching time threshold, and the low-temperature electronic valve is controlled to be closed when the temperature reaching time is smaller than a preset second temperature reaching time threshold;

and if the set temperature is lower than the current temperature, controlling the low-temperature electronic valve to be closed when the temperature reaching time is smaller than the first temperature reaching time threshold, and controlling the high-temperature electronic valve to be closed when the temperature reaching time is smaller than the second temperature reaching time threshold.

In addition, in order to achieve the above object, the present invention also provides a temperature calibration device, including: the temperature calibration device comprises a memory, a processor and a control program of the temperature calibration device, wherein the control program of the temperature calibration device is stored in the memory and can run on the processor, and the control program of the temperature calibration device realizes the steps of the control method of the temperature calibration device when being executed by the processor.

In addition, in order to achieve the above object, the present invention also provides a computer-readable storage medium having stored thereon a control program of a temperature calibration device, which when executed by a processor, implements the steps of the control method of the temperature calibration device as described above.

The embodiment of the invention provides a control method and device of a temperature calibration device and a computer readable storage medium, wherein a high-temperature oil groove and a low-temperature oil groove are arranged, the valve opening of the two oil grooves is controlled through an electronic valve, and the high-temperature oil and the low-temperature oil in the oil grooves flow out and are converged to an oil mixing cavity of a temperature control platform by opening the valve, so that the temperature of the temperature control platform is increased or decreased.

Drawings

FIG. 1 is a schematic diagram of a hardware operating environment of a temperature calibration device according to an embodiment of the present invention;

FIG. 2 is a schematic diagram of a temperature calibration device according to an embodiment of the present invention;

FIG. 3 is a flow chart of a first embodiment of a control method of a temperature calibration device according to the present invention;

FIG. 4 is a schematic diagram of a temperature calibration device including an electronic valve of a mixing chamber and a reflux drum according to an embodiment of the present invention;

FIG. 5 is a flow chart of a second embodiment of a control method of the temperature calibration device of the present invention;

FIG. 6 is a schematic diagram of another flow chart of a control method of the temperature calibration device according to the second embodiment of the present invention;

FIG. 7 is a flow chart of a third embodiment of a control method of a temperature calibration device according to the present invention;

FIG. 8 is a flow chart of a fourth embodiment of a control method of the temperature calibration device of the present invention;

FIG. 9 is a flowchart of a fifth embodiment of a control method of a temperature calibration device according to the present application;

FIG. 10 is a flowchart of a control method of a temperature calibration device according to a sixth embodiment of the present application.

The achievement of the objects, functional features and advantages of the present application will be further described with reference to the accompanying drawings, in conjunction with the embodiments.

Detailed Description

According to the application, the high-temperature oil tank and the low-temperature oil tank are arranged, the valve opening of the two oil tanks is controlled through the electronic valve, and the high-temperature oil and the low-temperature oil in the oil tanks flow out and are converged to the temperature control table by opening the valve, so that the temperature of the temperature control table is increased or decreased.

When the set temperature which is needed to be reached by the temperature control platform is higher than the current temperature of the temperature control platform, the opening of the high-temperature electronic valve and the opening of the low-temperature electronic valve are determined according to the temperature difference between the set temperature and the current temperature, so that the oil groove valve is controlled to be opened correspondingly to flow out the hot oil and the cold oil with corresponding flow, and the temperature formed after the hot oil and the cold oil are combined is equal to the set temperature, thereby heating the temperature control platform.

Similarly, when the set temperature to be reached by the temperature control platform is lower than the current temperature of the temperature control platform, the opening of the high-temperature electronic valve and the opening of the low-temperature electronic valve are determined according to the temperature difference, so that the oil groove valve is controlled to be opened correspondingly to flow out of hot oil and cold oil with corresponding flow, and the temperature formed after the hot oil and the cold oil are combined is equal to the set temperature, and the temperature control platform is refrigerated.

Through the test of technicians, compared with the traditional infrared temperature control system for the heating wire, the temperature control system for the oil tank disclosed by the application can control the temperature change amplitude within +/-0.1 ℃ and has higher temperature control precision. Compared with the temperature control structure disclosed in application number CN202021133808.4, the temperature control structure does not need to wait for the mixture of hot oil and cold oil to reach the set temperature before flowing out, can realize the rapid temperature rise of the temperature control table within 30 seconds, and has faster temperature control efficiency.

In order to better understand the above technical solution, exemplary embodiments of the present disclosure will be described in more detail below with reference to the accompanying drawings. While exemplary embodiments of the present disclosure are shown in the drawings, it should be understood that the present disclosure may be embodied in various forms and should not be limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the disclosure to those skilled in the art.

As an implementation scheme, fig. 1 is a schematic architecture diagram of a hardware operating environment of a temperature calibration device according to an embodiment of the present application.

As shown in fig. 1, the temperature calibration device may include: a processor 1001, such as a CPU, memory 1005, user interface 1003, network interface 1004, communication bus 1002. Wherein the communication bus 1002 is used to enable connected communication between these components. The user interface 1003 may include a Display, an input unit such as a Keyboard (Keyboard), and the optional user interface 1003 may further include a standard wired interface, a wireless interface. The network interface 1004 may optionally include a standard wired interface, a wireless interface (e.g., WI-FI interface). The memory 1005 may be a high-speed RAM memory or a stable memory (non-volatile memory), such as a disk memory. The memory 1005 may also optionally be a storage device separate from the processor 1001 described above.

Those skilled in the art will appreciate that the temperature calibration device architecture shown in fig. 1 is not limiting of the temperature calibration device and may include more or fewer components than shown, or certain components may be combined, or a different arrangement of components.

As shown in fig. 1, a memory 1005, which is a storage medium, may include an operating system, a network communication module, a user interface module, and a control program of the temperature calibration apparatus. The operating system is a program for managing and controlling hardware and software resources of the temperature calibration device, a control program of the temperature calibration device and other software or running of the program.

In the temperature calibration device shown in fig. 1, the user interface 1003 is mainly used for connecting a terminal, and is in data communication with the terminal; the network interface 1004 is mainly used for a background server and is in data communication with the background server; the processor 1001 may be used to invoke a control program of the temperature calibration device stored in the memory 1005.

In this embodiment, the temperature calibration device includes: a memory 1005, a processor 1001, and a control program for a temperature calibration device stored on the memory and operable on the processor, wherein:

When the processor 1001 calls the control program of the temperature calibration device stored in the memory 1005, the following operations are performed:

and when the temperature rising rate corresponding to the maximum opening and the temperature difference meet a first preset condition, determining the maximum opening of the low-temperature electronic valve as the second target opening, and controlling the opening of the low-temperature electronic valve to be adjusted to the second target opening.

and when the cooling rate corresponding to the maximum opening and the temperature difference meet a second preset condition, determining the maximum opening of the high-temperature oil groove valve as the first target opening, and controlling the opening of the high-temperature electronic valve to be adjusted to the first target opening.

and determining a second opening corresponding to a preset temperature change rate as the second target opening, and controlling the opening of the low-temperature electronic valve to be adjusted to the second target opening.

Or,

Based on the architecture of the temperature calibration device based on the temperature calibration technology, the embodiment of the control method of the temperature calibration device is provided.

As an implementation scheme, referring to fig. 2, fig. 2 is a schematic diagram of a temperature calibration device, where the temperature calibration device includes a temperature control table 10, a high-temperature oil tank 20 and a low-temperature oil tank 30; the control Wen Tai is provided with an oil mixing cavity 100, a first oil inlet 101 of the oil mixing cavity 100 is communicated with the high-temperature oil groove 20, and a second oil inlet 102 of the oil mixing cavity 100 is communicated with the low-temperature oil groove 30; a high-temperature electronic valve 201 is disposed between the first oil inlet 101 and the high-temperature oil tank 20, and a low-temperature electronic valve 301 is disposed between the second oil inlet 102 and the low-temperature oil tank 30.

When the temperature is required to be calibrated, the part to be detected is placed on the temperature control table, the resistance detection side of the part to be detected is contacted with the calibration side of the temperature control table, the bottom of the temperature control table is made of heat conducting metal, the bottom of the temperature control table is closely contacted with the oil mixing cavity made of the heat conducting metal, after oil in the oil groove flows into the oil mixing cavity to be collected, the oil temperature is radiated into the oil mixing cavity, and the heat of the oil mixing cavity is radiated to the bottom of the temperature control table, so that the temperature of the resistance detection side of the part to be detected is adjusted.

Referring to fig. 3, in a first embodiment, the control method of the temperature calibration device includes the steps of:

Step S10, determining the temperature difference between the current temperature of the calibration side of the temperature control table and the set temperature;

in this embodiment, the set temperature refers to a temperature that the temperature control table is expected to reach, and the set temperature may be higher than the current temperature or lower than the current temperature.

As an implementation scheme, a temperature sensor is arranged on the calibration side of a temperature control table of the temperature calibration device and is used for monitoring the current temperature on the temperature control table. The temperature sensor inputs the acquired temperature data into a processor of the temperature calibration device, and when a user needs to control the temperature of the temperature control table, after a set temperature value is input, the temperature difference between the set temperature value and the temperature value acquired by the temperature sensor at the current moment is calculated through the processor.

The calibration side refers to the side of the temperature control table, which is contacted with the part to be detected, which needs to be subjected to resistance value detection.

Furthermore, it should be noted that, in this embodiment, we do not pay attention to the temperature of the oil temperature after mixing, but pay attention to the temperature on the calibration side of the temperature control table, because whether the temperature of the temperature control table reaches the set temperature is what we need to pay attention to later on using the temperature calibration device, but the oil temperature in the oil mixing chamber is not paying attention to the temperature, because the actual temperature of the oil temperature is higher/lower than the set temperature in consideration of heat loss, so in order to ensure the accuracy of temperature calibration, the position monitored by the temperature sensor is not the oil temperature in the oil mixing chamber, but the oil temperature on the calibration side in this embodiment.

Step S20, determining a first target opening of the high-temperature electronic valve according to the temperature difference, and controlling the opening of the high-temperature electronic valve to be adjusted to the first target opening;

and step S30, determining a second target opening degree of the low-temperature electronic valve according to the temperature difference, and controlling the opening degree of the low-temperature electronic valve to be adjusted to the second target opening degree.

In this embodiment, according to the difference between the set temperature and the current temperature on the calibration side of the temperature control table, the determined valve openings of the high-temperature electronic valve and the low-temperature electronic valve are also different, and in general, the larger the temperature difference is, the larger the opening of the oil tank valve on one side is. In this embodiment, after determining the temperature difference, the valves of the high-temperature oil groove and the low-temperature oil groove are opened to corresponding openings at the same time, so that the high-temperature oil and the low-temperature oil in the two oil grooves flow out and are converged into the oil mixing cavity of the oil mixing cavity, the converged oil temperature is exactly equal to the set temperature, so that the temperature in the temperature control table reaches the temperature value corresponding to the set temperature under the heating/refrigeration of the oil temperature of the set temperature. After determining the first target opening and the second target opening, a processor in the oil tank temperature control system generates a first control signal corresponding to the first target opening and a second control signal corresponding to the second target opening, the first control signal and the second control signal are respectively sent to an electronic valve in the oil tank temperature control system, when the electronic valve receives the first control signal, the valve of the high-temperature oil tank is controlled to be set as the first target opening, and when the electronic valve receives the second control signal, the valve of the low-temperature oil tank is controlled to be set as the second target opening, so that high-temperature oil in the high-temperature oil tank flows out at a flow speed and a flow rate corresponding to the first target opening, and low-temperature oil in the low-temperature oil tank flows out at a flow speed and a flow rate corresponding to the second target opening, and after converging to an oil mixing cavity, the temperature of the temperature control table is also changed to a set temperature.

In this embodiment, if the temperature difference is a positive value, that is, the set temperature is higher than the current temperature of the temperature control table, the conditions that the first target opening corresponding to the high-temperature electronic valve and the second target opening corresponding to the low-temperature electronic valve need to be satisfied are: the heating capacity of the hot oil flowing out of the high-temperature oil groove is larger than the refrigerating capacity of the cold oil in the low-temperature oil groove, and the heat difference between the two is exactly equal to the heat corresponding to the temperature difference.

Similarly, if the temperature difference is negative, that is, the set temperature is lower than the current temperature of the temperature control table, the conditions that the first target opening corresponding to the high-temperature electronic valve and the second target opening corresponding to the low-temperature electronic valve need to be met are: the refrigerating capacity of the cold oil in the low-temperature oil groove is larger than the heating capacity of the hot oil flowing out of the high-temperature oil groove, and the heat difference between the cold oil and the hot oil is exactly equal to the heat corresponding to the temperature difference.

Based on the above principle, as an implementation manner, the temperature difference, the high-temperature electronic valve opening value and the low-temperature electronic valve opening value corresponding to different temperature differences can be tested under a normal temperature environment (such as an indoor environment of 22 ℃ to 26 ℃), an opening lookup table is constructed by the temperature difference, the high-temperature electronic valve opening value and the low-temperature electronic valve opening value, and according to different temperature differences, the corresponding target opening value (i.e. the first target opening value) of the high-temperature electronic valve and the corresponding target opening value (i.e. the second target opening value) of the low-temperature electronic valve are found in the opening lookup table.

For example, the current temperature of the temperature control table is 25 ℃, the set temperature required to be reached is 40 ℃, the temperature difference between the two is determined to be +15 ℃, and if the opening value of the high-temperature oil groove corresponding to +15 ℃ is found to be 60%, the opening value of the low-temperature oil groove is found to be 30%, 60% is taken as a first target opening value, and 30% is taken as a second target opening value.

If the above-mentioned scheme needs to be implemented, the set temperature should be higher than the oil temperature in the low-temperature oil tank and lower than the oil temperature in the high-temperature oil tank. In order to meet the resistance calibration under most conditions, the oil temperature in the low-temperature oil tank needs to be set at about-20 to-40 ℃, and the oil temperature in the high-temperature oil tank needs to be set at about +100 to +120 ℃. And the oil medium needs to remain in a liquid state in this large temperature interval. In order to ensure that the oil with different temperatures cannot precipitate after being mixed in the oil mixing cavity, oil media in the high-temperature oil groove and the low-temperature oil groove are the same medium. The oil medium in the high-temperature oil tank and the low-temperature oil tank are the same medium, and the oil medium is characterized in that the oil medium can be kept in a liquid state in a temperature interval taking the oil temperature in the high-temperature oil tank as an upper interval limit and taking the oil temperature in the low-temperature oil tank as a lower interval limit.

Alternatively, in some embodiments, if the determined temperature difference is large, in order to determine the thermal control efficiency, step S20 may be performed first, then step S30 may be performed, or step S30 may be performed first, then step S20 may be performed. That is, the oil tank valve on one side is opened for a period of time with the determined target opening, and then the oil tank valve on the other side is opened to the set temperature, so that the temperature rising/reducing rate of the temperature control table is increased.

Specifically, if the set temperature is greater than the current temperature of the temperature control platform, the high-temperature electronic valve can be controlled to be opened to a first target opening degree so that the hot oil flows to the oil mixing cavity, at the moment, the oil temperature of the oil mixing cavity is greater than the set temperature, the oil mixing cavity is heated for a period of time quickly, when the temperature of the oil mixing cavity is close to the set temperature, the low-temperature oil groove is immediately controlled to be opened to a second target opening degree, so that the cold oil flows to the oil mixing cavity, the temperature of the hot oil is neutralized, the oil temperature of the oil mixing cavity is approximately equal to the set temperature, and the final temperature heated by the temperature control platform is equal to the set temperature.

Specifically, if the set temperature is smaller than the current temperature of the temperature control platform, the low-temperature electronic valve can be controlled to be opened to the second target opening degree so that cold oil flows to the oil mixing cavity, at the moment, the oil temperature of the oil mixing cavity is smaller than the set temperature, the oil mixing cavity is cooled for a period of time rapidly, when the temperature of the oil mixing cavity is close to the set temperature, the high-temperature oil groove is immediately controlled to be opened to the first target opening degree, so that after the hot oil flows to the oil mixing cavity, the temperature of the cold oil is neutralized, the oil temperature of the oil mixing cavity is approximately equal to the set temperature, and the final temperature after the temperature control platform is cooled is equal to the set temperature.

Optionally, in some embodiments, if the determined temperature difference is smaller, in order to ensure the quality of temperature control, steps S20 and S30 are performed simultaneously, and the valves of the oil tanks on both sides may be opened simultaneously, so that the oil temperature of the oil collected in the oil mixing chamber approaches the set temperature as soon as possible, so that the temperature control table can achieve uniform temperature reaching, and the temperature of the temperature control table is prevented from being higher or lower than the set temperature at a certain time point due to too slow collection.

If the valve opening amounts of the high-temperature oil tank and the low-temperature oil tank are determined from the dimension of the temperature control efficiency, the valve opening amounts should be larger than the valve opening amounts determined based on the dimension of the temperature control quality.

In addition, optionally, the oil mixing cavity is also provided with a return pipe with an electronic valve, when the oil in the oil mixing cavity is converged to reach the set temperature, a temperature sensor on the temperature control table detects that the temperature control table reaches the set temperature, an electronic valve opening signal of the oil mixing cavity is issued to the controller, and the valve of the shunt pipe is controlled to be opened, so that the oil flows into the oil return groove through the return pipe.

Referring to fig. 4, fig. 4 is a schematic diagram of a temperature calibration device including an electronic valve of a mixing chamber and a return tank, and after a temperature sensor on the temperature control table 10 detects that the temperature control table 10 reaches a set temperature, a controller controls a valve of the electronic valve 203 of the mixing chamber to be opened, so that mixed oil flows back to the high-temperature oil tank 20 and the low-temperature oil tank 30 through the return pipe 40 in an arrow direction in the drawing.

Further, since the mixed oil temperature is inconsistent with the oil temperature in the oil tank, in order to avoid the reduction of the temperature calibration accuracy caused by the change of the oil temperature in the oil tank, two schemes are provided herein:

and firstly, a heat exchanger is additionally arranged at a proper position of the shunt pipe, the reflux oil flows into the heat exchanger, and after the heat exchanger is controlled to heat/refrigerate the oil temperature to be the same as the oil temperature in the oil groove, the oil is allowed to flow into the oil groove corresponding to the current temperature.

2. The heating device/refrigerating device and the temperature sensor are arranged in the oil groove, when the return oil flows into the oil groove through the shunt pipe, the temperature sensor monitors the change of the oil temperature in the oil groove, the controller sends an upper electric signal to the heating device/refrigerating device, and when the oil temperature in the oil groove is restored to the initial oil temperature, the controller sends a lower electric signal to the heating device/refrigerating device, so that the oil temperature in the oil groove is stabilized at the initial oil temperature.

In the technical scheme that this embodiment provided, through setting up a high temperature oil groove and a low temperature oil groove to the valve opening of two oil grooves can be adjusted according to the current temperature of accuse temperature platform and the temperature difference between the settlement temperature that needs to reach the temperature, opens the valve through the valve opening of determining, makes high temperature oil and low temperature oil in the oil groove flow out and meet to accuse temperature platform department, and meet to the oil temperature of accuse temperature platform equal to settlement temperature just, thereby carries out accurate accuse temperature to accuse temperature platform.

Further, in this embodiment, after the step S30, the method further includes:

step S40, predicting the temperature reaching time according to the temperature change rate of the calibration side at the current moment;

step S50, if the set temperature is higher than the current temperature, the high-temperature electronic valve is controlled to be closed when the temperature reaching time is smaller than a preset first temperature reaching time threshold, and the low-temperature electronic valve is controlled to be closed when the temperature reaching time is smaller than a preset second temperature reaching time threshold;

and step S60, if the set temperature is lower than the current temperature, controlling the low-temperature electronic valve to be closed when the temperature reaching time is smaller than the first temperature reaching time threshold, and controlling the high-temperature electronic valve to be closed when the temperature reaching time is smaller than the second temperature reaching time threshold.

Optionally, in order to prevent the temperature control platform from over-temperature, in this embodiment, a temperature reaching time threshold is further provided, when the temperature reaching time predicted according to the temperature change rate of the temperature control platform at the current moment is less than the temperature reaching time threshold, this means that the oil flowing out of the oil tank can already make the oil temperature of the oil mixing cavity reach the set temperature, and the high-temperature electronic valve and the low-temperature electronic valve are controlled to be closed, so that the oil remaining in the oil mixing cavity still flows to the oil mixing cavity, so that the oil temperature of the oil mixing cavity is changed to the set temperature.

And if the set temperature is higher than the current temperature, controlling the high-temperature electronic valve to be closed when the temperature reaching time is smaller than a preset first temperature reaching time threshold value, and controlling the low-temperature electronic valve to be closed when the temperature reaching time is smaller than a preset second temperature reaching time threshold value after a period of time.

And if the set temperature is lower than the current temperature, when the temperature reaching time is lower than the first temperature reaching time threshold, controlling the low-temperature electronic valve to be closed, and after a period of time, when the temperature reaching time is lower than the second temperature reaching time threshold, controlling the high-temperature electronic valve to be closed.

In the technical scheme provided by the embodiment, in order to prevent the temperature control platform from over-temperature phenomenon, the temperature control platform can accurately reach the set temperature by setting the temperature reaching time threshold and closing the high-temperature electronic valve and the low-temperature electronic valve according to a certain sequence when the temperature reaching time threshold is close.

Referring to fig. 5, in the second embodiment, based on any one of the embodiments, the step S20 includes:

step S21, if the set temperature is higher than the current temperature, determining the maximum opening of the high-temperature electronic valve as the first target opening, and controlling the opening of the high-temperature electronic valve to be adjusted to the first target opening;

The step S30 includes:

and S31, determining the maximum opening of the low-temperature electronic valve as the second target opening when the temperature rising rate corresponding to the maximum opening and the temperature difference meet a first preset condition, and controlling the opening of the low-temperature electronic valve to be adjusted to the second target opening.

As an alternative embodiment, the rapid temperature-reaching strategy may be set from the dimension of the temperature-reaching efficiency, so as to adjust the temperature control table to the set temperature as quickly as possible.

Optionally, the selection of the rapid temperature reaching strategy can be selected by a user according to the requirement of the actual application, and when the user needs to change the temperature of the temperature control platform in a short time, the system calculates the respective target opening of the double oil tanks corresponding to the temperature difference based on the rapid temperature reaching strategy by selecting the process of the rapid temperature reaching mode in the oil tank temperature control system.

Alternatively, the device may also automatically determine whether to select the rapid temperature reaching policy, by determining whether the temperature difference is greater than a preset first temperature difference threshold, if so, it means that the amount of temperature change required by the temperature control console is greater, and in order to ensure the temperature reaching efficiency, the scheme in step S21 is executed. Alternatively, the first temperature difference threshold may be set to 10 ℃.

In this embodiment, the core of the strategy is that the opening of the oil groove on one side is directly adjusted to be the largest, so that after the oil in the oil groove flows to the oil mixing cavity at the largest flow rate, the temperature control platform is directly heated/cooled at the fastest temperature rate, when the temperature in the temperature control platform approaches to the set temperature, the opening of the valve of the oil groove on the other side is adjusted to be the largest, so that the oil groove on the other side flows to the oil mixing cavity at the largest flow rate to be converged with the previous oil, and the oil temperature is quickly cooled/heated to the set temperature, so that the final temperature of the temperature control platform tends to the set temperature.

In addition, if the above-mentioned scheme needs to be implemented, the set temperature should be higher than the oil temperature in the low-temperature oil tank and lower than the oil temperature in the high-temperature oil tank.

In this embodiment, if the temperature in the temperature control table needs to be raised, that is, the set temperature is higher than the current temperature of the temperature control table, the maximum opening of the high-temperature electronic valve is determined as the first target opening, the heating rate in the temperature control table is determined when the high-temperature oil tank discharges oil at the first target opening (the heating rate may be obtained by monitoring the temperature change rate of the oil mixing chamber after the oil tank opening is set to be maximum in advance by a tester, and the heating rate may be obtained directly when the determination is needed), the second temperature difference (to be distinguished from the temperature difference determined at the beginning, herein referred to as the second temperature difference, the second temperature difference is a variable) between the set temperature and the current temperature of the calibration side of the temperature control table is monitored again, the second temperature difference and the heating rate are taken as criteria, and when the criteria meet the first preset condition, the maximum opening of the low-temperature oil tank is determined as the second target opening in order to avoid over-temperature, so that the cold oil in the low-temperature oil tank flows to the mixing chamber at the maximum flow rate, and the oil temperature is reduced to the corresponding set temperature at the maximum rate.

Alternatively, the first preset condition may be: the second temperature difference is less than a preset first temperature difference threshold, and the temperature rise rate is greater than a preset first rate threshold.

Wherein the first temperature difference threshold is characterized by: the oil in the low-temperature oil groove flows to the oil mixing cavity at the maximum flow rate, and the time required for reducing the oil temperature of the bottom hot oil to the set temperature is less than or equal to the time required for the temperature control table to reach the set temperature at the current temperature rising rate, and the corresponding minimum temperature difference is obtained;

wherein the first rate threshold is characterized by: the time required for flowing the oil in the low-temperature oil groove to the oil mixing cavity at the maximum flow rate and reducing the oil temperature of the bottom hot oil to the set temperature is less than or equal to the time required for the temperature control table to reach the set temperature at the current temperature rising rate, and the corresponding minimum rate.

If the second temperature difference is smaller than the first temperature difference threshold and the heating rate is larger than the preset first rate threshold, the fact that the temperature control platform keeps the current heating rate for heating means that the oil in the cold tank flows out at the fastest flow rate for cooling the hot oil can enable the actual temperature of the temperature control platform to exceed the set temperature, therefore the condition is used as a triggering condition of the opening moment of the cold tank, and when the opening of the valve is immediately set to be the maximum at the moment of meeting the condition, the phenomenon that the temperature control platform is excessively heated can be avoided.

Referring to fig. 6, the step S20 further includes:

step S22, if the set temperature is lower than the current temperature, determining the maximum opening of the low-temperature electronic valve as the second target opening, and controlling the opening of the low-temperature electronic valve to be adjusted to the second target opening;

the step S30 includes:

and S32, determining the maximum opening of the high-temperature oil groove valve as the first target opening when the cooling rate corresponding to the maximum opening and the temperature difference meet a second preset condition, and controlling the opening of the high-temperature electronic valve to be adjusted to the first target opening.

In this embodiment, if the temperature in the temperature control table needs to be reduced, that is, the set temperature is lower than the current temperature of the temperature control table, the maximum opening of the low-temperature electronic valve is determined as the second target opening, the cooling rate in the temperature control table is determined when the low-temperature oil tank discharges oil at the second target opening (here, the cooling rate may also be obtained by a tester after the opening of the oil tank is set to be maximum in advance, the temperature change rate of the oil mixing chamber is monitored, and the temperature rise rate is directly obtained when the determination is needed), a third temperature difference (in order to distinguish from the temperature difference determined before, the third temperature difference is referred to as a variable) between the set temperature and the current temperature on the calibration side of the temperature control table is monitored again, the third temperature difference is also referred to as a variable), when the criterion meets a second preset condition, in order to avoid the excessive temperature, the maximum opening of the high-temperature oil tank is determined as the first target opening, so that the hot oil in the high-temperature oil tank flows to the oil mixing chamber at the maximum flow rate, and the oil temperature is collected at the maximum flow rate, so as to achieve the maximum oil temperature corresponding to the set temperature at the temperature rise rate.

Optionally, the second preset condition may be that the third temperature difference is smaller than a preset second temperature difference threshold, and the cooling rate is greater than a preset second rate threshold.

Wherein the second temperature difference threshold is characterized by: the oil in the high-temperature oil groove flows to the oil mixing cavity at the maximum flow rate, and the time required for increasing the oil temperature of the cold oil at the bottom to the set temperature is less than or equal to the time required for the temperature control table to reach the set temperature at the current cooling rate, and the corresponding minimum temperature difference is obtained;

wherein the second rate threshold is characterized by: and the time required for flowing the oil in the high-temperature oil groove to the oil mixing cavity at the maximum flow rate and increasing the oil temperature of the cold oil at the bottom to the set temperature is less than or equal to the time required for the temperature control table to reach the set temperature at the current cooling rate, and the corresponding minimum rate.

If the third temperature difference is smaller than the second temperature difference threshold and the heating rate is larger than the preset second rate threshold, the temperature control platform keeps the current cooling rate for cooling, and the oil in the hot tank flows out at the fastest flow rate for heating the cold oil so that the actual temperature of the temperature control platform is smaller than the set temperature, therefore, the condition is used as a triggering condition of the opening moment of the hot tank, and when the opening of the valve is immediately set to be the maximum at the moment of meeting the condition, the phenomenon of underreaching of the temperature control platform can be avoided.

In the technical scheme provided by the embodiment, if the temperature in the temperature control table needs to be increased, the maximum opening of the high-temperature oil groove is taken as a target opening, and after a certain condition is met, the maximum opening of the low-temperature oil groove is taken as the target opening; if the temperature in the temperature control table needs to be reduced, the maximum opening of the low-temperature oil groove is taken as a target opening, and after certain conditions are met, the maximum opening of the high-temperature oil groove is taken as the target opening, so that the temperature change rate of the oil mixing cavity is kept the maximum, and the temperature reaching efficiency is improved.

Referring to fig. 7, in a third embodiment, based on any one of the embodiments, the step S20 includes:

step S23, determining a first opening corresponding to a preset temperature change rate as the first target opening, and controlling the opening of the high-temperature electronic valve to be adjusted to the first target opening;

the step S30 includes:

and step S33, determining a second opening corresponding to a preset temperature change rate as the second target opening, and controlling the opening of the low-temperature electronic valve to be adjusted to the second target opening.

Optionally, in this embodiment, a uniform temperature-reaching strategy may be set from the dimension of the temperature-reaching stability, so that the temperature of the temperature control table is stably changed to the set temperature. In this embodiment, the preset temperature change rate includes a preset temperature increase rate or a preset temperature decrease rate.

Optionally, the selection of the uniform temperature-reaching strategy can be selected by a user according to the requirement of the actual application, and when the user needs to change the temperature of the temperature control platform by a small extent, the system calculates the respective target opening of the double oil tanks corresponding to the temperature difference based on the uniform temperature-reaching strategy by selecting the process of the uniform temperature-reaching mode in the oil tank temperature control system.

Alternatively, the device may also automatically determine whether to select the uniform temperature reaching policy, by determining whether the temperature difference is smaller than a preset second temperature difference threshold, if so, it means that the temperature change amount required by the temperature control station is smaller, and in order to ensure the temperature reaching accuracy, the solution in step S22 is executed. Alternatively, the second temperature difference threshold may be set to 5 ℃.

In this embodiment, the core of the strategy is to ensure that the temperature rate of the temperature control table is kept constant, dynamically adjust the opening of the two oil tanks with the temperature rate as a guide, ensure the stable rate of the oil tanks during heating/cooling, and enable the oil temperature to be cooled/heated to a set temperature, so that the final temperature of the temperature control table is stable and tends to the set temperature.

Alternatively, proportional-Integral-Derivative (PID) control may be employed to achieve temperature rate-oriented opening degree adjustment. Wherein, the proportion of P is related to the temperature rising rate, the integral of I is related to the temperature reaching time period, and the quick closing valve of D is related to the condition of adjacent over-temperature. Alternatively, the preset heating rate may be +0.5 ℃/s and the preset cooling rate may be-0.3 ℃/s.

In the technical scheme provided by the embodiment, if a uniform temperature-reaching strategy is adopted, if the temperature in the temperature control platform needs to be raised, determining the opening of the low-temperature oil tank and the opening of the high-temperature oil tank meeting the preset temperature-raising rate as respective target openings, and if the temperature in the temperature control platform needs to be lowered, determining the opening of the low-temperature oil tank and the opening of the high-temperature oil tank meeting the preset temperature-lowering rate as respective target openings, so that the temperature change rate of the oil mixing cavity is stable, and the temperature-reaching precision is improved.

Referring to fig. 8, in the fourth embodiment, after step S30, based on any embodiment, the method further includes:

step S40, determining whether the absolute value of the temperature difference is smaller than a preset overtemperature prevention threshold;

step S50, if the set temperature is higher than the current temperature, reducing the first target opening based on a preset overtemperature prevention strategy, and controlling the opening of the high-temperature electronic valve to be adjusted to the reduced second target opening; and/or increasing the second target opening degree, and controlling the opening degree of the low-temperature electronic valve to be adjusted to the increased second target opening degree;

step S60, if the set temperature is lower than the current temperature, increasing the first target opening based on the over-temperature prevention strategy, and controlling the opening of the high-temperature electronic valve to be adjusted to the increased first target opening; and/or reducing the second target opening degree, and controlling the opening degree of the low-temperature electronic valve to be adjusted to the reduced second target opening degree;

Step S70, if not, returning to execute the step of determining whether the absolute value of the temperature difference is smaller than the preset overtemperature prevention threshold after the preset period is spaced.

As an alternative embodiment, since the temperature-controlled oil flows out of the oil tank, and a certain redundancy time is required for the process of heating/cooling the temperature-controlled table from the time when the oil flows into the oil mixing cavity, an over-temperature prevention threshold is set, when the absolute value of the temperature difference is smaller than the over-temperature prevention threshold, which means that if the current double-tank opening is maintained again, the temperature-controlled table may be over-heated, so that an over-temperature prevention strategy is preset in the temperature calibration device, and when the current temperature of the calibration side of the temperature-controlled table approaches the set temperature to a certain extent, one of the first target opening and the second target opening, or both of the first and second target openings is changed, so that the heating/cooling rate is reduced, thereby preventing the oil tank from being over-heated.

If the set temperature is higher than the current temperature of the temperature control table, then heating control Wen Tai is needed, and when the temperature difference absolute value is smaller than the temperature difference threshold, three adjustment modes are provided here: the opening degree of the high-temperature oil groove is reduced, the opening degree of the low-temperature oil groove is increased, and the opening degree of the high-temperature oil groove is reduced, and meanwhile the low-temperature oil groove is increased, so that the temperature rising rate in the temperature control table is reduced.

If the set temperature is lower than the current temperature of the temperature control table, the temperature control table needs to be refrigerated, and when the absolute value of the temperature difference is smaller than the temperature threshold, three adjustment modes are provided: the opening degree of the high-temperature oil groove is increased, the opening degree of the low-temperature oil groove is reduced, and the opening degree of the high-temperature oil groove is increased, and meanwhile the low-temperature oil groove is reduced, so that the cooling rate in the temperature control table is reduced.

In this embodiment, the setting condition of the over-temperature prevention threshold needs to be satisfied: the time required for the bottom of the oil groove to change from the overtemperature prevention threshold value to the set temperature at the fastest temperature change rate is less than or equal to the time required for the temperature control oil to flow out of the oil groove at the minimum preset opening value to set the oil temperature of the oil mixing cavity to the set temperature.

The specific value of the over-temperature prevention threshold is related to factors such as the length of the oil mixing cavity of the temperature calibration device, the specific heat capacity of high-temperature oil and low-temperature oil in the temperature control oil groove, the oil temperature difference between the high-temperature oil and the low-temperature oil, the environment where the temperature calibration device is located, the setting of the minimum preset opening value, and the like, and the threshold obtained in different specific embodiments is different, and is not limited in this embodiment.

In addition, if it is determined that the absolute value of the temperature difference is not smaller than the preset overtemperature prevention threshold value, the current temperature of the calibration side of the temperature control platform is far away from the set temperature, and the step is executed again after a preset period is spaced. Alternatively, the preset interval period may be 0.5S.

Optionally, the over-temperature prevention strategy may include: and determining the opening of the target low-temperature electronic valve corresponding to the temperature difference at the current moment as the first target opening, and/or determining the opening of the target low-temperature electronic valve corresponding to the temperature difference at the current moment as the second target opening.

It should be noted that, the above-mentioned anti-over-temperature policy is set up by the following ideas: when the absolute value of the temperature difference is lower than the overtemperature prevention threshold, different temperature differences correspond to different oil groove opening values.

For example, the threshold value of the over temperature is set to 5 ℃, the temperature difference at this time is set to-4 ℃, the over temperature prevention strategy is triggered at this time, the opening of the high-temperature electronic valve is increased by 0.05 if the temperature difference is reduced by 1 ℃, and the current opening of the high-temperature electronic valve is set to 0.3:

temperature difference (. Degree. C.)	High temperature electronic valve opening
		-3	0.35
-2	0.4
		-1	0.45
0	0.5

If the opening of the low-temperature electronic valve is reduced by 0.1 if the temperature difference is reduced by 1 ℃, and the current opening of the low-temperature electronic valve is set to be 1:

temperature difference (. Degree. C.)	Low temperature electronic valve opening
		-3	0.9
-2	0.8
		-1	0.7
0	0.6

If it is assumed that the temperature difference is reduced by 1 degree celsius, the opening of the low-temperature electronic valve is reduced by 0.06, the opening of the high-temperature electronic valve is increased by 0.04, the current opening of the low-temperature electronic valve is set to be 1, and the current opening of the high-temperature electronic valve is set to be 0.3, then:

Temperature difference (. Degree. C.)	Low temperature electronic valve opening	High temperature electronic valve opening
			-3	0.94	0.34
-2	0.88	0.38
			-1	0.82	0.42
0	0.76	0.46

Optionally, the over-temperature prevention strategy may include: if the set temperature is higher than the current temperature of the temperature control table, determining a first target opening negative increment and/or a second target opening positive increment corresponding to a temperature difference at the current moment based on a preset time interval, and adjusting the first target opening according to the first target opening negative increment and/or adjusting the second target opening according to the second target opening positive increment; if the set temperature is lower than the current temperature of the temperature control table, determining a first target opening positive increment and/or a second target opening negative increment corresponding to a temperature difference at the current moment based on a preset time interval, and adjusting the first target opening according to the first target opening positive increment and/or adjusting the second target opening according to the second target opening negative increment.

It should be noted that, the above-mentioned anti-over-temperature policy is set up by the following ideas: when the absolute value of the temperature difference is lower than the overtemperature prevention threshold value, different temperature differences correspond to different opening degree variation amounts.

For example, the threshold value of the over-temperature protection is 5 ℃, the temperature difference at the moment is assumed to be-4 ℃, the over-temperature protection strategy is triggered at the moment, and if the opening degree of the high-temperature electronic valve is selectively increased, the following steps are performed:

Temperature difference (. Degree. C.)	Opening variable of high-temperature electronic valve
		-3	+0.05
-2	+0.042
		-1	+0.037
0	+0.031

If the opening degree of the low-temperature electronic valve is selected to be reduced, the following steps are carried out:

temperature difference (. Degree. C.)	Opening variable of low-temperature electronic valve
		-3	-0.1
-2	-0.08
		-1	-0.032
0	-0.011

If the opening degree of the high-temperature electronic valve is selected to be increased and the opening degree of the low-temperature electronic valve is selected to be reduced simultaneously, the following steps are performed:

temperature difference (. Degree. C.)	Low temperature electronic valve opening	High temperature electronic valve opening
			-3	-0.07	+0.009
-2	-0.067	+0.0031
			-1	-0.025	+0.0027
0	-0.007	+0.0013

The foregoing is merely an example of reflecting the trend of the opening of the low temperature electronic valve and the opening of the high temperature electronic valve under different over-temperature protection strategies, and does not represent that the actual opening variation or the actual opening value is the same, and a specific opening variation or an opening value needs to be tested by a tester under a specific environment, which is not limited in this embodiment.

In the technical scheme provided by the embodiment, the oil groove is prevented from being over-heated by setting the over-temperature prevention threshold value and the over-temperature prevention strategy, so that the temperature control table accurately reaches the set temperature.

Referring to fig. 9, in a fifth embodiment, based on any one of the embodiments, the controlling the opening degree adjustment of the high-temperature electronic valve to the first target opening degree includes:

step S24, the current opening of the high-temperature electronic valve is adjusted in an increment mode based on a first preset opening until the current opening of the high-temperature electronic valve is adjusted to the first target opening;

and step S34, the current opening of the low-temperature electronic valve is adjusted based on a second preset opening increment until the current opening of the low-temperature electronic valve is adjusted to the second target opening.

As an alternative embodiment, if the opening of the valve of the oil tank is changed greatly in a short time, the oil temperature is changed rapidly, but the pressure in the oil mixing chamber is changed, so that the interior of the oil mixing chamber is vibrated, the system is damaged due to the phenomenon which is easy to appear for a long time, and in order to reduce the phenomenon as much as possible, the opening is gradually increased to the target opening based on a certain increment.

Specifically, two opening increments are preset: the method comprises the steps of enabling a high-temperature electronic valve to increase the opening by a value corresponding to a first preset opening increment every preset time interval until a first target opening is reached; and increasing the opening by a value corresponding to the second preset opening increment every time when the low-temperature electronic valve is at intervals for a preset time period until the second target opening is reached.

In the technical scheme provided by the embodiment, through carrying out increment adjustment on the opening value, the damage to the system caused by the opening in a short time is avoided, and the durability of the temperature calibration device is increased while the temperature control precision is improved.

Referring to fig. 10, in a sixth embodiment, based on any one of the embodiments, the controlling the opening degree adjustment of the high-temperature electronic valve to the first target opening degree includes:

step S25, adjusting the current opening of the high-temperature electronic valve to the first target opening based on a preset adjusting rate;

and step S35, adjusting the current opening of the low-temperature electronic valve to the second target opening based on the preset adjusting rate.

As an alternative embodiment, if the opening of the valve of the oil tank is changed greatly in a short time, the oil temperature is changed rapidly, but the pressure in the oil mixing chamber is changed, so that the interior of the oil mixing chamber is vibrated, the system is damaged due to the phenomenon which is easy to appear for a long time, and in order to reduce the phenomenon as much as possible, the opening is increased to the target opening based on a certain adjusting speed.

Specifically, an adjustment rate is preset, so that the high-temperature electronic valve and the low-temperature electronic valve are adjusted to corresponding target opening at a constant speed according to the adjustment rate.

In the technical scheme provided by the embodiment, the opening value is regulated at a constant speed, so that damage to a system caused by the opening in a short time is avoided, and the temperature control precision is improved and the durability of the temperature calibration device is improved.

Furthermore, it will be appreciated by those of ordinary skill in the art that implementing all or part of the processes in the methods of the above embodiments may be accomplished by computer programs to instruct related hardware. The computer program comprises program instructions, and the computer program may be stored in a storage medium, which is a computer readable storage medium. The program instructions are executed by at least one processor in the temperature calibration device to implement the flow steps of the embodiments of the method described above.

Accordingly, the present application also provides a computer-readable storage medium storing a control program of a temperature calibration device, which when executed by a processor, implements the steps of the control method of a temperature calibration device as described in the above embodiments.

The computer readable storage medium may be a usb disk, a removable hard disk, a Read-Only Memory (ROM), a magnetic disk, or an optical disk, etc. which may store the program code.

It should be noted that, because the storage medium provided in the embodiments of the present application is a storage medium used for implementing the method in the embodiments of the present application, based on the method described in the embodiments of the present application, a person skilled in the art can understand the specific structure and the modification of the storage medium, and therefore, the description thereof is omitted herein. All storage media adopted by the method of the embodiment of the application belong to the scope of protection of the application.

It will be appreciated by those skilled in the art that embodiments of the present invention may be provided as a method, system, or computer program product. Accordingly, the present invention may take the form of an entirely hardware embodiment, an entirely software embodiment or an embodiment combining software and hardware aspects. Furthermore, the present invention may take the form of a computer program product embodied on one or more computer-usable storage media (including, but not limited to, disk storage, CD-ROM, optical storage, and the like) having computer-usable program code embodied therein.

The present invention is described with reference to flowchart illustrations and/or block diagrams of methods, apparatus (systems) and computer program products according to embodiments of the invention. It will be understood that each flow and/or block of the flowchart illustrations and/or block diagrams, and combinations of flows and/or blocks in the flowchart illustrations and/or block diagrams, can be implemented by computer program instructions. These computer program instructions may be provided to a processor of a general purpose computer, special purpose computer, embedded processor, or other programmable data processing apparatus to produce a machine, such that the instructions, which execute via the processor of the computer or other programmable data processing apparatus, create means for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks.

These computer program instructions may also be stored in a computer-readable memory that can direct a computer or other programmable data processing apparatus to function in a particular manner, such that the instructions stored in the computer-readable memory produce an article of manufacture including instruction means which implement the function specified in the flowchart flow or flows and/or block diagram block or blocks.

These computer program instructions may also be loaded onto a computer or other programmable data processing apparatus to cause a series of operational steps to be performed on the computer or other programmable apparatus to produce a computer implemented process such that the instructions which execute on the computer or other programmable apparatus provide steps for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks.

It should be noted that in the claims, any reference signs placed between parentheses shall not be construed as limiting the claim. The word "comprising" does not exclude the presence of elements or steps not listed in a claim. The word "a" or "an" preceding an element does not exclude the presence of a plurality of such elements. The invention may be implemented by means of hardware comprising several distinct elements, and by means of a suitably programmed computer. In the unit claims enumerating several means, several of these means may be embodied by one and the same item of hardware. The use of the words first, second, third, etc. do not denote any order. These words may be interpreted as names.

While preferred embodiments of the present invention have been described, additional variations and modifications in those embodiments may occur to those skilled in the art once they learn of the basic inventive concepts. It is therefore intended that the following claims be interpreted as including the preferred embodiments and all such alterations and modifications as fall within the scope of the invention.

It will be apparent to those skilled in the art that various modifications and variations can be made to the present invention without departing from the spirit or scope of the invention. Thus, it is intended that the present invention also include such modifications and alterations insofar as they come within the scope of the appended claims or the equivalents thereof.

Claims

1. The control method of the temperature calibration device is characterized by being applied to the temperature calibration device, wherein the temperature calibration device comprises a control Wen Tai, a high-temperature oil groove and a low-temperature oil groove; the temperature control platform is provided with a mixed oil cavity, a first oil inlet of the mixed oil cavity is communicated with the high-temperature oil groove, and a second oil inlet of the mixed oil cavity is communicated with the low-temperature oil groove; the control method of the temperature calibration device comprises the following steps:

2. The method of controlling a temperature calibration device according to claim 1, wherein the step of determining a first target opening degree of the high-temperature electronic valve based on the temperature difference, and controlling the opening degree of the high-temperature electronic valve to be adjusted to the first target opening degree includes:

3. The method of controlling a temperature calibration device according to claim 1, wherein the step of determining a first target opening degree of the high-temperature electronic valve based on the temperature difference, and controlling the opening degree of the high-temperature electronic valve to be adjusted to the first target opening degree includes:

4. The method of controlling a temperature calibration device according to claim 1, wherein the step of determining a first target opening degree of the high-temperature electronic valve based on the temperature difference, and controlling the opening degree of the high-temperature electronic valve to be adjusted to the first target opening degree includes:

5. The method for controlling a temperature calibration device according to any one of claims 1 to 4, wherein the step of determining the first target opening degree of the high-temperature electronic valve and the second target opening degree of the low-temperature electronic valve based on the temperature difference further comprises:

6. The method for controlling a temperature calibration device according to claim 1, wherein the step of determining a second target opening of the low-temperature electronic valve based on the temperature difference, and controlling the opening of the low-temperature electronic valve to be adjusted to the second target opening, further comprises:

7. The method for controlling a temperature calibration device according to claim 6, wherein the over-temperature prevention strategy comprises:

Or,

8. The method of controlling a temperature calibration device according to claim 1, wherein controlling the opening degree adjustment of the high-temperature electronic valve to the first target opening degree includes:

9. The method of controlling a temperature calibration device according to claim 1, wherein controlling the opening degree adjustment of the high-temperature electronic valve to the first target opening degree includes:

10. The method for controlling a temperature calibration device according to claim 1, wherein the step of determining a second target opening of the low-temperature electronic valve based on the temperature difference, and controlling the opening of the low-temperature electronic valve to be adjusted to the second target opening, further comprises:

11. A temperature calibration device, characterized in that it comprises: memory, a processor and a control program for a temperature calibration device stored on the memory and operable on the processor, which when executed by the processor, implements the steps of the method for controlling a temperature calibration device according to any one of claims 1 to 10.

12. A computer-readable storage medium, characterized in that the computer-readable storage medium has stored thereon a control program of a temperature calibration device, which when executed by a processor, implements the steps of the control method of a temperature calibration device according to any one of claims 1 to 10.