CN111708391A - Temperature control method, system and computer readable storage medium - Google Patents
Temperature control method, system and computer readable storage medium Download PDFInfo
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- CN111708391A CN111708391A CN202010558548.3A CN202010558548A CN111708391A CN 111708391 A CN111708391 A CN 111708391A CN 202010558548 A CN202010558548 A CN 202010558548A CN 111708391 A CN111708391 A CN 111708391A
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
- G05D23/00—Control of temperature
- G05D23/19—Control of temperature characterised by the use of electric means
- G05D23/30—Automatic controllers with an auxiliary heating device affecting the sensing element, e.g. for anticipating change of temperature
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Abstract
The invention discloses a temperature control method, a system and a computer readable storage medium, which relate to the technical field of temperature control and comprise the following steps: setting control parameters; and acquiring the current temperature, and performing cyclic adjustment control on the current temperature according to the control parameters. The technical scheme provided by the invention realizes the accurate control of the temperature.
Description
[ technical field ] A method for producing a semiconductor device
The invention relates to the technical field of temperature control, in particular to a temperature control method, a temperature control system and a computer readable storage medium.
[ background of the invention ]
Nowadays, the temperature requirements of various industries, such as the cold chain industry, the precision instrument industry and the like, are very precise, and the precise control of the temperature is not achieved by timing heating or cooling and timing stopping. In view of this, a more precise way to achieve precise control of the temperature is needed.
[ summary of the invention ]
In order to solve the problems, the invention provides a temperature control method, which realizes accurate control of temperature.
In order to achieve the purpose, the invention adopts the following technical scheme:
a method of temperature control comprising the steps of:
setting control parameters;
and acquiring the current temperature, and performing cyclic adjustment control on the current temperature according to the control parameters.
Optionally, the control parameters include: setting temperature, preset time length, temperature difference threshold value, proportional coefficient, integral coefficient and differential coefficient.
Optionally, the performing of the cycle adjustment control on the current temperature according to the set temperature specifically includes:
comparing the current temperature with the set temperature, and if the current temperature is greater than the set temperature, stopping heating the current temperature according to a preset time length;
and if the current temperature is less than or equal to the set temperature, performing PID cyclic regulation control on the current temperature.
Optionally, after the heating of the current temperature is stopped according to the preset time length or the PID circulation regulation control is performed on the current temperature, the current temperature is collected again and compared with the set temperature, and the circulation regulation control is stopped until the newly collected current temperature is the same as the set temperature.
Optionally, if the current temperature is less than or equal to the preset temperature, performing PID loop regulation control specifically includes:
if the difference value between the current temperature and the set temperature is smaller than the temperature difference threshold value, heating according to an integral coefficient and a differential coefficient;
and if the difference value between the current temperature and the set temperature is greater than the temperature difference threshold value, heating according to the proportionality coefficient.
Optionally, the temperature control method adopts PWM temperature heating.
The invention has the following beneficial effects:
according to the technical scheme, the PWM temperature heating is controlled in a PID cycle control mode to realize accurate temperature control, and the accurate temperature requirements of various industries are met.
In addition, the invention also provides a temperature control system, and the temperature control system adopts any one of the temperature control methods to control the temperature. The beneficial effects of the temperature control system provided by the invention are similar to the beneficial effect reasoning process of the temperature control method, and are not repeated herein.
Meanwhile, the invention also provides a computer readable storage medium, on which a computer program is stored, which when executed by a processor implements the method of any one of the above.
These features and advantages of the present invention will be disclosed in more detail in the following detailed description and the accompanying drawings. The best mode or means of the present invention will be described in detail with reference to the accompanying drawings, but the present invention is not limited thereto. In addition, the features, elements and components appearing in each of the following and in the drawings are plural and different symbols or numerals are labeled for convenience of representation, but all represent components of the same or similar construction or function.
[ description of the drawings ]
The invention will be further described with reference to the accompanying drawings in which:
fig. 1 is a flowchart of a first embodiment of the present invention.
[ detailed description ] embodiments
The technical solutions of the embodiments of the present invention are explained and illustrated below with reference to the drawings of the embodiments of the present invention, but the following embodiments are only preferred embodiments of the present invention, and not all embodiments. Based on the embodiments in the implementation, other embodiments obtained by those skilled in the art without any creative effort belong to the protection scope of the present invention.
Reference in the specification to "one embodiment" or "an example" means that a particular feature, structure or characteristic described in connection with the embodiment itself may be included in at least one embodiment of the patent disclosure. The appearances of the phrase "in one embodiment" in various places in the specification are not necessarily all referring to the same embodiment.
The first embodiment is as follows:
as shown in fig. 1, the present embodiment provides a temperature control method, including the following steps:
setting control parameters, including: the setting of the control parameters, such as the set temperature, the preset duration, the temperature difference threshold, the proportional coefficient, the integral coefficient and the differential coefficient, is flexibly set by those skilled in the art according to the actual use scenario and the requirement of the temperature control, and is not limited herein. In the embodiment, the preset time is preferably 1 minute, and the temperature difference threshold is preferably 3 ℃;
gather current temperature, carry out circulation control according to control parameter to current temperature, specifically include:
comparing the current temperature with the set temperature, if the current temperature is greater than the set temperature, stopping heating the current temperature according to the preset time length, after stopping heating for 1 minute, re-collecting the current temperature and comparing the current temperature with the set temperature, if the re-collected current temperature is still greater than the set temperature, stopping heating according to the preset time length again, and circularly performing the step until the re-collected current temperature is the same as the set temperature;
if the current temperature is less than or equal to the set temperature, performing PID cyclic regulation control on the current temperature, namely:
if the difference value between the current temperature and the set temperature is larger than the temperature difference threshold value, namely 3 ℃, heating by adopting PWM (pulse-width modulation) temperature according to the proportion coefficient, then re-collecting the current temperature and comparing with the set temperature, if the difference value between the set temperature and the re-collected current temperature is still larger than the temperature difference threshold value, heating by adopting PWM temperature according to the proportion coefficient again, and circulating the step until the difference value between the set temperature and the re-collected current temperature is smaller than the temperature difference threshold value;
if the difference value between the current temperature and the set temperature is smaller than the temperature difference threshold value, namely 3 ℃, PWM temperature heating is adopted for heating according to the integral coefficient and the differential coefficient, then the current temperature is collected again and compared with the set temperature, if the difference value between the set temperature and the collected current temperature is still smaller than the temperature difference threshold value, the PWM temperature heating is adopted again according to the integral coefficient and the differential coefficient for heating, and the step is circulated until the collected current temperature is the same as the set temperature.
According to the technical scheme provided by the embodiment, the PWM temperature heating is controlled in a PID cyclic control mode to realize accurate temperature control, and the accurate requirements of various industries on the temperature are met.
Example two
The embodiment provides a temperature control system, and the system adopts the temperature control method described in the first embodiment to control the temperature.
EXAMPLE III
The present embodiment provides a computer device comprising a memory and a processor, the memory having a computer program stored therein, the processor implementing the method of any of the embodiments as described above when executing the computer program. It will be understood by those skilled in the art that all or part of the flow of the method implementing the above embodiments may be implemented by a computer program instructing associated hardware. Accordingly, the computer program can be stored in a non-volatile computer readable storage medium, and when executed, can implement the method according to any one of the above embodiments. Any reference to memory, storage, database, or other medium used in the embodiments provided herein may include non-volatile and/or volatile memory, among others. Non-volatile memory can include read-only memory (ROM), Programmable ROM (PROM), Electrically Programmable ROM (EPROM), Electrically Erasable Programmable ROM (EEPROM), or flash memory. Volatile memory can include Random Access Memory (RAM) or external cache memory. By way of illustration and not limitation, RAM is available in a variety of forms such as Static RAM (SRAM), Dynamic RAM (DRAM), Synchronous DRAM (SDRAM), Double Data Rate SDRAM (DDRSDRAM), Enhanced SDRAM (ESDRAM), Synchronous Link DRAM (SLDRAM), Rambus Direct RAM (RDRAM), direct bus dynamic RAM (DRDRAM), and bus dynamic RAM (RDRAM).
While the present invention has been described with reference to the preferred embodiments, it will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the invention as defined by the appended claims. Any modification which does not depart from the functional and structural principles of the present invention is intended to be included within the scope of the claims.
Claims (8)
1. A temperature control method, characterized by comprising the steps of:
setting control parameters;
and acquiring the current temperature, and performing cyclic adjustment control on the current temperature according to the control parameters.
2. The temperature control method of claim 1, wherein the control parameters comprise: setting temperature, preset time length, temperature difference threshold value, proportional coefficient, integral coefficient and differential coefficient.
3. The temperature control method according to claim 2, wherein the cyclic adjustment control of the current temperature according to the set temperature specifically comprises:
comparing the current temperature with the set temperature, and if the current temperature is greater than the set temperature, stopping heating the current temperature according to a preset time length;
and if the current temperature is less than or equal to the set temperature, performing PID cyclic regulation control on the current temperature.
4. The temperature control method according to claim 3, wherein after the heating of the current temperature is stopped for a preset time period or the PID cyclic adjustment control is performed on the current temperature, the current temperature is collected again and compared with the set temperature, and the cyclic adjustment control is stopped until the collected current temperature is the same as the set temperature.
5. The temperature control method according to claim 4, wherein if the current temperature is less than or equal to the preset temperature, performing PID loop regulation control specifically comprises:
if the difference value between the current temperature and the set temperature is smaller than the temperature difference threshold value, heating according to an integral coefficient and a differential coefficient;
and if the difference value between the current temperature and the set temperature is greater than the temperature difference threshold value, heating according to the proportionality coefficient.
6. The temperature control method according to one of claims 1 to 5, characterized in that the temperature control method employs PWM temperature heating.
7. A temperature control system characterized in that it performs temperature control using the temperature control method according to any one of claims 1 to 5.
8. A computer-readable storage medium, on which a computer program is stored, which, when being executed by a processor, carries out the method of any one of claims 1 to 7.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202010558548.3A CN111708391A (en) | 2020-06-18 | 2020-06-18 | Temperature control method, system and computer readable storage medium |
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| CN112099552A (en) * | 2020-09-28 | 2020-12-18 | 浙江启扬智能科技有限公司 | Method for accurately and rapidly controlling temperature of heating platform |
| CN113102907A (en) * | 2021-04-19 | 2021-07-13 | 北京热力装备制造有限公司 | Heating control method and device of electric hot melting machine |
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Application publication date: 20200925 |