CN112325456A - Method and device for controlling temperature of evaporator tube - Google Patents

Method and device for controlling temperature of evaporator tube Download PDF

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Publication number
CN112325456A
CN112325456A CN202011185145.5A CN202011185145A CN112325456A CN 112325456 A CN112325456 A CN 112325456A CN 202011185145 A CN202011185145 A CN 202011185145A CN 112325456 A CN112325456 A CN 112325456A
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China
Prior art keywords
temperature
evaporator tube
gear
current
expansion valve
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Granted
Application number
CN202011185145.5A
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Chinese (zh)
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CN112325456B (en
Inventor
李芊
罗永前
苏玉熙
潘子豪
罗润通
林志成
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Gree Electric Appliances Inc of Zhuhai
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Gree Electric Appliances Inc of Zhuhai
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Priority to CN202011185145.5A priority Critical patent/CN112325456B/en
Publication of CN112325456A publication Critical patent/CN112325456A/en
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Publication of CN112325456B publication Critical patent/CN112325456B/en
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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F11/00—Control or safety arrangements
    • F24F11/62—Control or safety arrangements characterised by the type of control or by internal processing, e.g. using fuzzy logic, adaptive control or estimation of values
    • F24F11/63—Electronic processing
    • F24F11/64—Electronic processing using pre-stored data
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F11/00—Control or safety arrangements
    • F24F11/70—Control systems characterised by their outputs; Constructional details thereof
    • F24F11/80—Control systems characterised by their outputs; Constructional details thereof for controlling the temperature of the supplied air
    • F24F11/83—Control systems characterised by their outputs; Constructional details thereof for controlling the temperature of the supplied air by controlling the supply of heat-exchange fluids to heat-exchangers
    • F24F11/84—Control systems characterised by their outputs; Constructional details thereof for controlling the temperature of the supplied air by controlling the supply of heat-exchange fluids to heat-exchangers using valves
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F11/00—Control or safety arrangements
    • F24F11/70—Control systems characterised by their outputs; Constructional details thereof
    • F24F11/80—Control systems characterised by their outputs; Constructional details thereof for controlling the temperature of the supplied air
    • F24F11/86—Control systems characterised by their outputs; Constructional details thereof for controlling the temperature of the supplied air by controlling compressors within refrigeration or heat pump circuits
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F2140/00—Control inputs relating to system states
    • F24F2140/20—Heat-exchange fluid temperature
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F2140/00—Control inputs relating to system states
    • F24F2140/40—Damper positions, e.g. open or closed

Abstract

The invention discloses a method and a device for controlling the temperature of an evaporator tube. The temperature control method of the evaporator tube temperature comprises the following steps: when the high wind gear is adjusted to be the low wind gear, acquiring the current temperature of the evaporator tube temperature; and performing linkage adjustment on corresponding equipment by applying a preset linkage control strategy according to the current temperature of the evaporator tube temperature so as to ensure that the temperature of the evaporator tube temperature is lower than a preset limit threshold temperature. According to the invention, when the wind shield is lowered, the compressor, the expansion valve and the inner fan are adjusted in respective corresponding adjustment modes according to the specific temperature of the evaporator tube, so that the temperature of the evaporator tube is not higher than the temperature which causes the shutdown of the air conditioner, the normal operation of the air conditioner is ensured, and the adverse use experience of a user is avoided.

Description

Method and device for controlling temperature of evaporator tube
Technical Field
The invention relates to the technical field of air conditioners, in particular to a method and a device for controlling the temperature of an evaporator tube.
Background
The air conditioner, especially the air conditioner of upper and lower air-out, is limited to the special construction, the air rate is lower than the conventional model, and when heating operation, because the indoor side air rate is low, the heat is easy to accumulate in the evaporator side, cause the evaporator tube temperature to be higher than the conventional model, and when the air conditioner changes from high wind gear to low wind gear operation, according to the control logic of the conventional model, the wind gear adjustment can respond rapidly, adjust to the target rotational speed, can further cause the temperature of the evaporator tube temperature to rise rapidly, may reach the temperature limit value that causes the air conditioner to shut down, this can seriously influence user's experience of heating. How to properly solve the above problems is an urgent issue to be solved in the industry.
Disclosure of Invention
The invention provides a temperature control method and a temperature control device for an evaporator tube, which are used for adjusting a compressor, an expansion valve and an inner fan in respective corresponding adjustment modes according to the temperature of the evaporator tube at the time when a wind gear is lowered so as to ensure that the temperature of the evaporator tube is not higher than the temperature which causes the shutdown of an air conditioner.
According to a first aspect of embodiments of the present invention, there is provided a method for controlling temperature of an evaporator tube temperature, including: when the high wind gear is adjusted to be the low wind gear, acquiring the current temperature of the evaporator tube temperature;
and performing linkage adjustment on corresponding equipment by applying a preset linkage control strategy according to the current temperature of the evaporator tube temperature so as to ensure that the temperature of the evaporator tube temperature is lower than a preset limit threshold temperature.
In one embodiment, the obtaining the current temperature of the evaporator tube temperature when the high wind gear is adjusted to the low wind gear comprises:
the wind power of the wind gear is arranged in the order from strong to weak, and comprises any more of a strong wind gear, a high wind gear, a medium wind gear, a low wind gear and a mute gear;
the temperature thresholds of the evaporator tube temperature are arranged in the order from high to low, and comprise any one or more of a dangerous temperature threshold, a risk temperature threshold and a warning temperature threshold;
and when the wind power of the windshield is adjusted from strong to weak, acquiring the current temperature of the evaporator tube temperature.
In one embodiment, the applying a preset linkage control strategy to perform linkage adjustment on the corresponding equipment according to the current temperature of the evaporator pipe temperature includes:
and when the current temperature of the evaporator tube temperature is greater than the dangerous temperature threshold value, stopping running the compressor, adjusting the opening of the expansion valve to 0, and maintaining the current rotating speed of the inner fan to run.
In one embodiment, the applying a preset linkage control strategy to perform linkage adjustment on the corresponding equipment according to the current temperature of the evaporator pipe temperature further includes:
when the current temperature of the evaporator pipe temperature is smaller than a dangerous temperature threshold and larger than a risk temperature threshold, reducing the frequency of the compressor to the frequency corresponding to the mute gear at a first rate, increasing the opening of the expansion valve to the upper limit of the opening of the expansion valve at the first rate, and adjusting the rotating speed of the inner fan to the wind speed of the next-stage wind gear of the current wind gear;
and when the opening degree of the expansion valve reaches the upper limit of the opening degree of the expansion valve and the frequency of the compressor is reduced to the frequency corresponding to the mute gear, the rotating speed of the inner fan is further adjusted to the rotating speed corresponding to the mute gear.
In one embodiment, the applying a preset linkage control strategy to perform linkage adjustment on the corresponding equipment according to the current temperature of the evaporator pipe temperature further includes:
when the current temperature of the evaporator pipe temperature is smaller than a risk temperature threshold and larger than an alert temperature threshold, reducing the frequency of the compressor to the frequency corresponding to the mute gear at a second speed, increasing the opening of the expansion valve to the upper limit of the opening of the expansion valve at a first speed, and adjusting the rotating speed of the inner fan to the wind speed of the next-stage wind gear of the current wind gear;
and when the frequency of the compressor is reduced by one gear, the rotating speed of the inner fan is further adjusted to the rotating speed corresponding to the mute gear.
In one embodiment, the linkage adjustment of the corresponding equipment is performed by applying a preset linkage control strategy according to the current temperature of the evaporator pipe temperature, and the method further comprises the following steps:
when the current temperature of the evaporator tube temperature is lower than the warning temperature threshold value, the frequency of the compressor is reduced to the frequency corresponding to the mute gear at a second speed, the opening degree of the expansion valve is increased to the upper limit of the opening degree of the expansion valve at a first speed, and the rotating speed of the inner fan is further adjusted to the rotating speed corresponding to the mute gear.
According to a second aspect of the embodiments of the present invention, there is provided a temperature control device for an evaporator tube temperature, including:
the acquisition module is used for acquiring the current temperature of the evaporator tube temperature when the high wind gear is adjusted to the low wind gear;
and the adjusting module is used for applying a preset linkage control strategy to carry out linkage adjustment on corresponding equipment according to the current temperature of the evaporator tube temperature so as to ensure that the temperature of the evaporator tube temperature is lower than a preset limit threshold temperature.
In one embodiment, further comprising: the acquisition module and the adjustment module are controlled to perform the adjustment module method of any of the above embodiments.
According to a third aspect of embodiments of the present invention, an electronic device is provided, which includes a memory, a processor, and a computer program stored on the memory and executable on the processor, and the processor implements the steps of the method provided in the first aspect when executing the program.
According to a fourth aspect of embodiments of the present invention, there is also provided a non-transitory computer readable storage medium having stored thereon a computer program which, when executed by a processor, implements the steps of the method as provided by the first aspect.
Additional features and advantages of the invention will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention. The objectives and other advantages of the invention will be realized and attained by the structure particularly pointed out in the written description and claims hereof as well as the appended drawings.
The technical solution of the present invention is further described in detail by the accompanying drawings and embodiments.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention. In the drawings:
FIG. 1 is a flow chart illustrating a method of temperature control of evaporator tube temperature in accordance with an exemplary embodiment of the present invention;
fig. 2 is a flowchart illustrating a step S12 of a method for controlling temperature of an evaporator tube temperature according to an exemplary embodiment of the present invention;
fig. 3 is a flowchart illustrating a step S12 of a method for temperature control of evaporator tube temperature according to still another exemplary embodiment of the present invention;
fig. 4 is a flowchart illustrating a step S12 of a method for temperature control of evaporator tube temperature according to still another exemplary embodiment of the present invention;
fig. 5 is a flowchart illustrating a step S12 of a method for temperature control of evaporator tube temperature according to still another exemplary embodiment of the present invention;
FIG. 6 is a block diagram of an apparatus for temperature control of evaporator tube temperature in accordance with an exemplary embodiment of the present invention;
fig. 7 is a schematic structural diagram of an electronic device according to an embodiment of the present invention.
Detailed Description
The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are described herein for the purpose of illustration and explanation and not limitation.
Fig. 1 is a flowchart illustrating a method for controlling a temperature of an evaporator tube according to an exemplary embodiment, where the method for controlling a temperature of an evaporator tube, as shown in fig. 1, includes the following steps S11-S12:
in step S11, when the high wind level is adjusted to the low wind level, acquiring a current temperature of the evaporator tube temperature;
in step S12, according to the current temperature of the evaporator tube temperature, a preset linkage control strategy is applied to perform linkage adjustment on the corresponding equipment, so as to ensure that the temperature of the evaporator tube temperature is lower than a preset limit threshold temperature.
In one embodiment, the technical solution in the present application can be applied to all devices including the evaporator tube temperature, and for convenience of description, an air conditioner is taken as an example for illustration. The air conditioner, especially the air conditioner of upper and lower air-out, is limited to the special construction, the air rate is lower than the conventional model, and when heating operation, because the indoor side air rate is low, the heat is easy to accumulate in the evaporator side, cause the evaporator tube temperature to be higher than the conventional model, and when the air conditioner changes from high wind gear to low wind gear operation, according to the control logic of the conventional model, the wind gear adjustment can respond rapidly, adjust to the target rotational speed, can further cause the temperature of the evaporator tube temperature to rise rapidly, may reach the temperature limit value that causes the air conditioner to shut down, this can seriously influence user's experience of heating. The technical scheme in the application can properly solve the problems.
The method for controlling the temperature of the evaporator tube occurs when the air conditioner is in heating operation. In the case where the air conditioner is stably operated in the heating mode, the evaporator tube temperature may already be at a high temperature because the heat of the fan is not good enough. If the wind level is lowered at this time, the temperature accumulation of the evaporator tube temperature is aggravated, and even the temperature of the evaporator tube reaches the threshold temperature which may cause the shutdown of the air conditioner. Therefore, when the wind gear is low, the temperature of the evaporator tube is controlled to gradually decrease by adopting a corresponding technical scheme according to the real-time temperature of the evaporator tube.
The wind power of the wind gear is arranged according to the sequence from strong to weak, and comprises any more of a strong wind gear, a high wind gear, a medium wind gear, a low wind gear and a mute gear, and the wind power of the wind gear can span a plurality of gears when the wind gear is reduced from high gear to low gear; the temperature thresholds of the evaporator tube temperature are arranged in the order from high to low, and comprise any one or more of a dangerous temperature threshold, a risk temperature threshold and a warning temperature threshold; and when the wind power of the wind shield is adjusted from strong to weak, acquiring the current temperature of the evaporator tube temperature. The linkage includes any one or more of a compressor, an expansion valve, and an inner fan.
And when the current temperature of the evaporator tube temperature is greater than the dangerous temperature threshold value, stopping running the compressor, adjusting the opening of the expansion valve to 0, and maintaining the current rotating speed of the inner fan to run.
When the current temperature of the evaporator pipe temperature is smaller than a dangerous temperature threshold and larger than a risk temperature threshold, reducing the frequency of the compressor to the frequency corresponding to the mute gear at a first rate, increasing the opening of the expansion valve to the upper limit of the opening of the expansion valve at the first rate, and adjusting the rotating speed of the inner fan to the wind speed of the next-stage wind gear of the current wind gear; when the opening degree of the expansion valve reaches the upper limit of the opening degree of the expansion valve and the frequency of the compressor is reduced to the frequency corresponding to the mute gear, the rotating speed of the inner fan is further adjusted to the rotating speed corresponding to the mute gear.
When the current temperature of the evaporator pipe temperature is smaller than the risk temperature threshold and larger than the warning temperature threshold, reducing the frequency of the compressor to the frequency corresponding to the mute gear at the rate of a second speed, increasing the opening of the expansion valve to the upper limit of the opening of the expansion valve at a first speed, and adjusting the rotating speed of the inner fan to the wind speed of the next-stage wind gear of the current wind gear; and when the frequency of the compressor is reduced by one gear, the rotating speed of the inner fan is further adjusted to the rotating speed corresponding to the mute gear.
When the current temperature of the evaporator pipe temperature is lower than the warning temperature threshold value, the frequency of the compressor is reduced to the frequency corresponding to the mute gear at a second speed, the opening degree of the expansion valve is increased to the upper limit of the opening degree of the expansion valve at a first speed, and the rotating speed of the inner fan is further adjusted to the rotating speed corresponding to the mute gear.
According to the technical scheme, when the wind gear is changed, the compressor, the expansion valve and the inner fan are adjusted in respective corresponding adjusting modes according to the specific temperature of the evaporator tube, so that the temperature of the evaporator tube is not higher than the temperature of the air conditioner to stop, normal operation of the air conditioner is guaranteed, and negative use experience of a user is avoided.
In one embodiment, as shown in FIG. 2, step S12 includes the following step S21:
in step S21, when the current temperature of the evaporator tube temperature is greater than the critical temperature threshold, the operation of the compressor is stopped, the opening of the expansion valve is adjusted to 0, and the current rotation speed of the inner fan is maintained.
In one embodiment, the current temperature T as the evaporator tube temperatureCGreater than a dangerous temperature threshold TDanger(s)And then entering a shutdown protection state. And stopping the operation of the compressor, adjusting the opening degree of the expansion valve to 0, and keeping the current operation rotating speed Rc of the inner fan at the moment. For example, the critical temperature threshold TDanger(s)The value of the temperature difference can be 60 ℃, and 60 ℃ is a temperature value which is obtained by combining the surface temperature of air conditioner components, the temperature of a compressor cylinder body and the load pressure of the whole system in a laboratory and still has allowance. The adjustable range of the electronic expansion valve is usually 0-480B.
In one embodiment, as shown in FIG. 3, step S12 further includes the following steps S31-S32:
in step S31, when the current temperature of the evaporator tube temperature is less than the dangerous temperature threshold and greater than the dangerous temperature threshold, decreasing the frequency of the compressor to the frequency corresponding to the silent gear at a first rate, increasing the opening of the expansion valve to the upper limit of the opening of the expansion valve at the first rate, and adjusting the rotation speed of the inner fan to the wind speed of the next-stage wind gear of the current wind gear;
in step S32, when the expansion valve opening reaches the expansion valve opening upper limit and the compressor frequency is reduced to a frequency corresponding to a silent range, the rotation speed of the inner fan is further adjusted to a rotation speed corresponding to the silent range.
In one embodiment, if the critical temperature threshold TDanger(s)Current temperature T of evaporator tube temperaturecNot less than the critical temperature threshold TDanger (Risk)Time, target frequency PtThe frequency corresponding to the mute level. At this time, the compressor frequency PcWill be reduced to the target frequency P corresponding to the mute gear according to 3Hz/st. Similarly, to ensure that the temperature of the evaporator tube is not reduced by the air volumeLess deterioration of the inside heat exchange and rapid rise, and the opening degree K of the expansion valvecThe first speed 40B/s is increased to an upper opening limit of the expansion valve, which is preferably an electronic expansion valve. Additionally, the indoor fan is stepped down by one at the first time of the compressor frequency response. When compressor frequency PcEqual to the target frequency PtAnd the opening degree K of the expansion valvecWhen the opening degree of the expansion valve is equal to the opening degree of the expansion valve, the inner fan further executes the wind gear descending action at the moment, and the wind gear is kept from the high wind gear to the mute gear Rt。
In one embodiment, as shown in FIG. 4, step S12 further includes the following steps S41-S42:
in step S41, when the current temperature of the evaporator tube temperature is less than the risk temperature threshold and greater than the warning temperature threshold, decreasing the frequency of the compressor to the frequency corresponding to the mute gear at a second rate, increasing the opening of the expansion valve to the upper limit of the opening of the expansion valve at a first rate, and adjusting the rotation speed of the inner fan to the wind speed of the next-stage wind gear of the current wind gear;
in step S42, when the compressor frequency has been reduced by one gear, the inner fan speed is further adjusted to the speed corresponding to the silent gear.
In one embodiment, if the risk temperature threshold TDanger (Risk)Current temperature T of evaporator tube temperaturecNot less than a warning temperature threshold TPoliceWhen the compressor frequency Pc is lowered to the target frequency P corresponding to the mute level according to 2Hz/stSimilarly, in order to ensure that the temperature of the pipe does not rise rapidly due to the deterioration of the inside heat exchange caused by the decrease in the air volume, the opening degree of the expansion valve is increased from Kc to the upper limit of the opening degree of the expansion valve at 40B/s. Additionally, the first time of the compressor frequency response is shifted down by one. Due to the temperature T of the evaporator tube at this timecDistance shutdown temperature TDanger(s)With a large margin at the compressor frequency PcAfter the speed is reduced to the next gear, namely the running frequency of the compressor and the rotating speed R of the internal fancFurther executing the action of lowering the wind gear until the rotating speed R of the inner fancDown to mute level Rt. Opening K of expansion valvecLifting to an upper limit K of the opening of the expansion valve according to 40B/smaxIs to reduce the heat exchange quantity of the system and reduceThe amount of heat exchange on the indoor evaporator side, thereby increasing the safety margin for the evaporator tube temperature. The relationship between the opening of the expansion valve and the heat exchange capacity of the whole machine is an inverse parabolic relationship, for example, y ═ kx2+ b, where k is a positive number. Therefore, the upper limit K of the opening of the expansion valvemaxCan be properly reduced and the safety margin can be met.
In one embodiment, as shown in FIG. 5, step S12 further includes the following step S51:
in step S51, when the current temperature of the evaporator tube temperature is lower than the warning temperature threshold, the compressor frequency is decreased to the frequency corresponding to the silent range at the second rate, the expansion valve opening is increased to the upper limit of the expansion valve opening at the first rate, and the rotation speed of the inner fan is further adjusted to the rotation speed corresponding to the silent range.
In one embodiment, if the alert temperature threshold T isPoliceCurrent temperature T of evaporator tube temperaturecTime, compressor frequency PcWill be reduced to the target frequency P corresponding to the mute gear according to 2Hz/st. Similarly, in order to ensure that the temperature of the pipe does not rise rapidly due to the inner heat exchange variation caused by the reduction of the air volume, the opening degree of the expansion valve is KcThe upper limit is mentioned in terms of 40B/s. Due to the temperature T of the evaporator tube at this timecDistance to dangerous temperature threshold TDanger(s)With a large margin at the compressor operating frequency PcWhen the speed begins to fall, the rotating speed R of the internal fancI.e. the response is started.
In one embodiment, FIG. 6 is a block diagram of a temperature control device for evaporator tube temperature shown in accordance with an exemplary embodiment. As shown in fig. 6, the apparatus includes a temperature raising module 61 and a regulating module 62.
The temperature increasing module 61 is configured to obtain a current temperature of the evaporator tube temperature when the high wind level is adjusted to the low wind level;
the adjusting module 62 is configured to apply a preset linkage control strategy to perform linkage adjustment on corresponding equipment according to the current temperature of the evaporator tube temperature, so as to ensure that the temperature of the evaporator tube temperature is lower than a preset limit threshold temperature.
The temperature raising module 61 and the adjusting module 62 included in the evaporator temperature control device are controlled to perform the temperature control method described in any of the above embodiments.
Fig. 7 illustrates a physical structure diagram of a server, and as shown in fig. 7, the server may include: a processor (processor)710, a communication Interface (Communications Interface)720, a memory (memory)730, and a communication bus 740, wherein the processor 710, the communication Interface 720, and the memory 730 communicate with each other via the communication bus 740. Processor 710 may call logic instructions in memory 730 to perform the following method: when the high wind gear is adjusted to be the low wind gear, acquiring the current temperature of the evaporator tube temperature; and performing linkage adjustment on corresponding equipment by applying a preset linkage control strategy according to the current temperature of the evaporator tube temperature so as to ensure that the temperature of the evaporator tube temperature is lower than a preset limit threshold temperature.
In addition, the logic instructions in the memory 730 can be implemented in the form of software functional units and stored in a computer readable storage medium when the software functional units are sold or used as independent products. Based on such understanding, the technical solution of the present invention may be embodied in the form of a software product, which is stored in a storage medium and includes instructions for causing a computer device (which may be a personal computer, a server, or a network device) to execute all or part of the steps of the method according to the embodiments of the present invention. And the aforementioned storage medium includes: a U-disk, a removable hard disk, a Read-Only Memory (ROM), a Random Access Memory (RAM), a magnetic disk or an optical disk, and other various media capable of storing program codes.
In another aspect, an embodiment of the present invention further provides a non-transitory computer-readable storage medium, on which a computer program is stored, where the computer program is implemented to perform the transmission method provided in the foregoing embodiments when executed by a processor, and for example, the method includes: when the high wind gear is adjusted to be the low wind gear, acquiring the current temperature of the evaporator tube temperature; and performing linkage adjustment on corresponding equipment by applying a preset linkage control strategy according to the current temperature of the evaporator tube temperature so as to ensure that the temperature of the evaporator tube temperature is lower than a preset limit threshold temperature.
The above-described embodiments of the apparatus are merely illustrative, and the units described as separate parts may or may not be physically separate, and parts displayed as units may or may not be physical units, may be located in one place, or may be distributed on a plurality of network units. Some or all of the modules may be selected according to actual needs to achieve the purpose of the solution of the present embodiment. One of ordinary skill in the art can understand and implement it without inventive effort.
Through the above description of the embodiments, those skilled in the art will clearly understand that each embodiment can be implemented by software plus a necessary general hardware platform, and certainly can also be implemented by hardware. With this understanding in mind, the above-described technical solutions may be embodied in the form of a software product, which can be stored in a computer-readable storage medium such as ROM/RAM, magnetic disk, optical disk, etc., and includes instructions for causing a computer device (which may be a personal computer, a server, or a network device, etc.) to execute the methods described in the embodiments or some parts of the embodiments.
Finally, it should be noted that: the above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.

Claims (10)

1. A temperature control method for the tube temperature of an evaporator in the heating operation of an air conditioner is characterized by comprising the following steps:
when the high wind gear of the indoor unit is adjusted to be the low wind gear, acquiring the current temperature of the evaporator tube temperature;
and performing linkage adjustment on corresponding equipment by applying a preset linkage control strategy according to the current temperature of the evaporator tube temperature so as to ensure that the temperature of the evaporator tube temperature is lower than a preset limit threshold temperature.
2. The method of claim 1, wherein obtaining the current temperature of the evaporator tube temperature when the high wind is adjusted to the low wind comprises:
the wind power of the wind gear is arranged in the order from strong to weak, and comprises any more of a strong wind gear, a high wind gear, a medium wind gear, a low wind gear and a mute gear;
the temperature thresholds of the evaporator tube temperature are arranged in the order from high to low, and comprise any one or more of a dangerous temperature threshold, a risk temperature threshold and a warning temperature threshold;
and when the wind power of the windshield is adjusted from strong to weak, acquiring the current temperature of the evaporator tube temperature.
3. The method of claim 2, wherein applying a preset coordinated control strategy to perform coordinated adjustments of respective equipment according to the current temperature of the evaporator tube temperature comprises:
and when the current temperature of the evaporator tube temperature is greater than the dangerous temperature threshold value, stopping running the compressor, adjusting the opening of the expansion valve to 0, and maintaining the current rotating speed of the inner fan to run.
4. The method of claim 2, wherein applying a preset coordinated control strategy to perform coordinated adjustments of respective devices according to the current temperature of the evaporator tube temperature further comprises:
when the current temperature of the evaporator pipe temperature is smaller than a dangerous temperature threshold and larger than a risk temperature threshold, reducing the frequency of the compressor to the frequency corresponding to the mute gear at a first rate, increasing the opening of the expansion valve to the upper limit of the opening of the expansion valve at the first rate, and adjusting the rotating speed of the inner fan to the wind speed of the next-stage wind gear of the current wind gear;
and when the opening degree of the expansion valve reaches the upper limit of the opening degree of the expansion valve and the frequency of the compressor is reduced to the frequency corresponding to the mute gear, the rotating speed of the inner fan is further adjusted to the rotating speed corresponding to the mute gear.
5. The method of claim 2, wherein applying a preset coordinated control strategy to perform coordinated adjustments of respective devices according to the current temperature of the evaporator tube temperature further comprises:
when the current temperature of the evaporator pipe temperature is smaller than a risk temperature threshold and larger than an alert temperature threshold, reducing the frequency of the compressor to the frequency corresponding to the mute gear at a second speed, increasing the opening of the expansion valve to the upper limit of the opening of the expansion valve at a first speed, and adjusting the rotating speed of the inner fan to the wind speed of the next-stage wind gear of the current wind gear;
and when the frequency of the compressor is reduced by one gear, further adjusting the rotating speed of the inner fan to the rotating speed corresponding to the mute gear.
6. The method of claim 2, wherein applying a preset coordinated control strategy to perform coordinated adjustments of respective devices according to the current temperature of the evaporator tube temperature further comprises:
when the current temperature of the evaporator tube temperature is lower than the warning temperature threshold value, the frequency of the compressor is reduced to the frequency corresponding to the mute gear at a second speed, the opening degree of the expansion valve is increased to the upper limit of the opening degree of the expansion valve at a first speed, and the rotating speed of the inner fan is further adjusted to the rotating speed corresponding to the mute gear.
7. A temperature control device for the tube temperature of an evaporator is characterized by comprising:
the acquisition module is used for acquiring the current temperature of the evaporator tube temperature when the high wind gear is adjusted to the low wind gear;
and the adjusting module is used for applying a preset linkage control strategy to carry out linkage adjustment on corresponding equipment according to the current temperature of the evaporator tube temperature so as to ensure that the temperature of the evaporator tube temperature is lower than a preset limit threshold temperature.
8. The temperature control device of claim 7, wherein: the acquisition module and the adjustment module are controlled to execute the temperature control method according to any one of claims 1 to 6.
9. An electronic device comprising a memory, a processor and a computer program stored on the memory and executable on the processor, wherein the processor implements the steps of the temperature control method according to any one of claims 1 to 6 when executing the program.
10. A non-transitory computer-readable storage medium, on which a computer program is stored, which, when being executed by a processor, carries out the steps of the temperature control method according to any one of claims 1 to 6.
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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113432236A (en) * 2021-06-30 2021-09-24 海信（广东）空调有限公司 Method of controlling air conditioner, and computer-readable storage medium

Citations (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2006112696A (en) * 2004-10-14 2006-04-27 Matsushita Electric Ind Co Ltd Air conditioner
CN101469927A (en) * 2007-12-24 2009-07-01 苏州三星电子有限公司 Control method for compressor stop time minimization in heating excess load protection action
CN102901293A (en) * 2012-11-09 2013-01-30 四川长虹空调有限公司 Air conditioner for precisely regulating electronic expansion valve and control method thereof
WO2014106900A1 (en) * 2013-01-07 2014-07-10 三菱電機株式会社 Air conditioner device
CN105091238A (en) * 2015-08-26 2015-11-25 珠海格力电器股份有限公司 Method and device for controlling heating and high temperature prevention of air conditioner system and air conditioner
CN106016602A (en) * 2016-05-25 2016-10-12 青岛海尔空调电子有限公司 Control method for embedded type air conditioner
CN106679072A (en) * 2016-12-01 2017-05-17 青岛海尔空调器有限总公司 Control method for wall-mounted air conditioner
CN107270471A (en) * 2017-06-05 2017-10-20 奥克斯空调股份有限公司 A kind of automatic wind control method of transducer air conditioning
CN107328061A (en) * 2017-06-30 2017-11-07 美的集团武汉制冷设备有限公司 Air-conditioning system, heat-production control method and computer-readable recording medium
CN109114754A (en) * 2018-10-19 2019-01-01 珠海格力电器股份有限公司 A kind of multi-connected machine convertible frequency air-conditioner high temperature-proof protection control method
WO2019003306A1 (en) * 2017-06-27 2019-01-03 三菱電機株式会社 Air conditioning device
CN109945391A (en) * 2019-03-29 2019-06-28 广东美的制冷设备有限公司 Air conditioner and its high-temperature protection method and device
CN110513819A (en) * 2019-08-29 2019-11-29 Tcl空调器(中山)有限公司 A kind of air conditioning control method, air-conditioning and storage medium
CN111706974A (en) * 2020-06-05 2020-09-25 广东美的制冷设备有限公司 Control method of air conditioner, air conditioner and storage medium

Patent Citations (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2006112696A (en) * 2004-10-14 2006-04-27 Matsushita Electric Ind Co Ltd Air conditioner
CN101469927A (en) * 2007-12-24 2009-07-01 苏州三星电子有限公司 Control method for compressor stop time minimization in heating excess load protection action
CN102901293A (en) * 2012-11-09 2013-01-30 四川长虹空调有限公司 Air conditioner for precisely regulating electronic expansion valve and control method thereof
WO2014106900A1 (en) * 2013-01-07 2014-07-10 三菱電機株式会社 Air conditioner device
CN105091238A (en) * 2015-08-26 2015-11-25 珠海格力电器股份有限公司 Method and device for controlling heating and high temperature prevention of air conditioner system and air conditioner
CN106016602A (en) * 2016-05-25 2016-10-12 青岛海尔空调电子有限公司 Control method for embedded type air conditioner
CN106679072A (en) * 2016-12-01 2017-05-17 青岛海尔空调器有限总公司 Control method for wall-mounted air conditioner
CN107270471A (en) * 2017-06-05 2017-10-20 奥克斯空调股份有限公司 A kind of automatic wind control method of transducer air conditioning
WO2019003306A1 (en) * 2017-06-27 2019-01-03 三菱電機株式会社 Air conditioning device
CN107328061A (en) * 2017-06-30 2017-11-07 美的集团武汉制冷设备有限公司 Air-conditioning system, heat-production control method and computer-readable recording medium
CN109114754A (en) * 2018-10-19 2019-01-01 珠海格力电器股份有限公司 A kind of multi-connected machine convertible frequency air-conditioner high temperature-proof protection control method
CN109945391A (en) * 2019-03-29 2019-06-28 广东美的制冷设备有限公司 Air conditioner and its high-temperature protection method and device
CN110513819A (en) * 2019-08-29 2019-11-29 Tcl空调器(中山)有限公司 A kind of air conditioning control method, air-conditioning and storage medium
CN111706974A (en) * 2020-06-05 2020-09-25 广东美的制冷设备有限公司 Control method of air conditioner, air conditioner and storage medium

Non-Patent Citations (3)

* Cited by examiner, † Cited by third party
Title
郑兆志等: "《家用空调器维修安装技术》", 31 March 2006, 中国科学技术出版社 *
郭晓鹏等: "电子膨胀阀控制器优化研究", 《制冷技术》 *
陈鹏飞等: "《空调器修理从入门到精通》", 31 January 2003, 国防工业出版社 *

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113432236A (en) * 2021-06-30 2021-09-24 海信（广东）空调有限公司 Method of controlling air conditioner, and computer-readable storage medium

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