CN116379577A - Control method, medium and device of T3 working condition air conditioner and air conditioner - Google Patents
Control method, medium and device of T3 working condition air conditioner and air conditioner Download PDFInfo
- Publication number
- CN116379577A CN116379577A CN202310344421.5A CN202310344421A CN116379577A CN 116379577 A CN116379577 A CN 116379577A CN 202310344421 A CN202310344421 A CN 202310344421A CN 116379577 A CN116379577 A CN 116379577A
- Authority
- CN
- China
- Prior art keywords
- compressor
- variable
- air conditioner
- mode
- capacity compressor
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000000034 method Methods 0.000 title claims abstract description 45
- 230000006835 compression Effects 0.000 claims abstract description 42
- 238000007906 compression Methods 0.000 claims abstract description 42
- 239000003507 refrigerant Substances 0.000 claims abstract description 19
- 238000005057 refrigeration Methods 0.000 claims abstract description 17
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 22
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical group [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 3
- 229910052802 copper Inorganic materials 0.000 claims description 3
- 239000010949 copper Substances 0.000 claims description 3
- 230000005855 radiation Effects 0.000 claims 1
- 230000000694 effects Effects 0.000 abstract description 11
- 230000002238 attenuated effect Effects 0.000 abstract description 5
- 238000006073 displacement reaction Methods 0.000 abstract description 5
- 239000007788 liquid Substances 0.000 description 8
- 238000006243 chemical reaction Methods 0.000 description 3
- 238000004891 communication Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 230000017525 heat dissipation Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000006467 substitution reaction Methods 0.000 description 2
- 238000004378 air conditioning Methods 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
Images
Classifications
-
- 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
- F24F11/62—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
- F24F11/65—Electronic processing for selecting an operating mode
-
- 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
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
- Y02B30/70—Efficient control or regulation technologies, e.g. for control of refrigerant flow, motor or heating
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Physics & Mathematics (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Fuzzy Systems (AREA)
- Mathematical Physics (AREA)
- Thermal Sciences (AREA)
- Air Conditioning Control Device (AREA)
Abstract
The invention relates to the technical field of air conditioners, in particular to a control method, medium and device of a T3 working condition air conditioner and the air conditioner. The application aims to solve the problem that the compression ratio of a compressor is increased when an air conditioner in a T3 climate type area is in a high-temperature environment, so that the refrigerating capacity is attenuated. To this end, the T3 operating mode air conditioner of this application includes compressor, outdoor heat exchanger, throttling arrangement and the indoor heat exchanger that connects gradually through the refrigerant pipe, and the compressor is the positive displacement compressor, and the positive displacement compressor has two compression cylinders, and control method includes: when in refrigeration operation, the exhaust temperature of the variable-capacity compressor is obtained; judging the exhaust temperature and the preset temperature threshold value; determining the working mode of the variable-capacity compressor based on the judging result; based on the operating mode, the variable-capacity compressor is controlled to operate. The application can enable the compressor to be always in a high-efficiency frequency interval, reduce leakage risk, avoid refrigeration capacity attenuation and guarantee refrigeration effect.
Description
Technical Field
The invention relates to the technical field of air conditioners, in particular to a control method, medium and device of a T3 working condition air conditioner and the air conditioner.
Background
Air conditioners are classified into various types, and the environmental temperature ranges to which the air conditioners are applied are different in different climate types. According to the national standard GB/T7725-1996 'room air conditioner', the climate types are divided into three categories, namely T1, T2 and T3. T3 climate type air conditioner, the maximum working environment temperature is 52 ℃, can adapt to tropical climate, and is called as tropical air conditioner.
For a region with a T3 climate type, such as the middle east region, although the corresponding T3 type air conditioner exists, under the condition of high temperature in summer, the compression ratio of a compressor is increased, the risk of refrigerant leakage is increased due to the increase of the compression ratio, the refrigeration capacity is seriously attenuated, and the refrigeration effect is seriously affected.
Accordingly, there is a need in the art for a new solution to the above-mentioned problems.
Disclosure of Invention
To solve at least one of the above problems in the prior art, that is, to solve the problem that the compression ratio of a compressor is increased when an air conditioner in a region with a T3 climate is in a high temperature environment to cause the refrigeration capacity to be attenuated, according to a first aspect of the present application, there is provided a control method of a T3 working condition air conditioner, the T3 working condition air conditioner includes a compressor, an outdoor heat exchanger, a throttling device, and an indoor heat exchanger sequentially connected through a refrigerant pipe, the compressor is a variable capacity compressor, the variable capacity compressor has two compression cylinders, the control method includes:
when in refrigeration operation, the exhaust temperature of the variable-capacity compressor is obtained;
judging the exhaust temperature and a preset temperature threshold value;
determining a working mode of the variable-capacity compressor based on a judging result;
controlling the operation of the variable-capacity compressor based on the working mode;
the working modes of the variable-capacity compressor comprise a double-cylinder mode and a double-stage mode, wherein in the double-cylinder mode, two compression cylinders of the variable-capacity compressor independently compress a refrigerant, and in the double-stage mode, the two compression cylinders of the variable-capacity compressor sequentially compress the refrigerant.
According to the technical scheme, the working mode of the variable-capacity compressor is controlled based on the comparison result of the exhaust temperature and the preset temperature threshold, so that the compressor can be changed in working modes under different environments to control the displacement and the compression ratio of the compressor, the compressor is always in a high-efficiency frequency interval, leakage risk is reduced, refrigeration capacity attenuation is avoided, and refrigeration effect is guaranteed.
In the above preferable technical solution of the control method of a T3 working condition air conditioner, the step of determining the working mode of the variable-capacity compressor based on the determination result further includes:
and when the exhaust temperature is smaller than the preset temperature threshold value, determining that the working mode of the variable-capacity compressor is the two-stage mode.
In the above preferable technical solution of the control method of a T3 working condition air conditioner, the step of determining the working mode of the variable-capacity compressor based on the determination result further includes:
and when the exhaust temperature is greater than or equal to the preset temperature threshold, determining that the working mode of the variable-capacity compressor is the double-cylinder mode.
In the preferable technical scheme of the control method of the T3 working condition air conditioner, the control method further includes:
determining a current operating frequency of the variable-capacity compressor in the double-cylinder mode based on a previous operating frequency of the variable-capacity compressor in the double-cylinder mode before switching from the double-cylinder mode to the double-cylinder mode;
and controlling the variable-capacity compressor to operate at the current operating frequency.
The current operating frequency in the double-cylinder mode is determined based on the prior operating frequency of the variable-capacity compressor before switching, so that the indoor refrigeration effect is ensured not to be attenuated, and the refrigeration capacity of the indoor unit is maintained.
In the preferable technical solution of the control method of the T3 working condition air conditioner, the step of determining the current operating frequency of the variable-capacity compressor in the double-cylinder mode based on the previous operating frequency of the variable-capacity compressor in the double-cylinder mode before switching further includes:
the current operating frequency is calculated by the following formula:
f2＝V1×f1/(V1+V2)
wherein f2 is the current operating frequency, f1 is the previous operating frequency, and V1 and V2 are the volumes of two compression cylinders of the variable-capacity compressor, respectively.
In the preferable technical scheme of the control method of the air conditioner under the T3 working condition, a water receiving disc is arranged below the indoor heat exchanger, the water receiving disc is communicated with the outside through a drain pipe, a radiator is arranged on the drain pipe, and the radiator is used for exchanging heat with the compressor.
Through setting up water collector and radiator, can utilize the comdenstion water that indoor set produced to cool down outdoor compressor casing, reduce compressor surface temperature to reduce the power of compressor, promote the energy efficiency level of system.
In the preferable technical scheme of the control method of the air conditioner under the T3 working condition, the radiator is a copper pipe radiator, and the radiator is provided with a radiating fan; or alternatively
The radiator is a coil, and the coil is arranged on the shell of the compressor.
In a second aspect of the present application, a computer readable storage medium is provided, storing a plurality of program codes adapted to be loaded and executed by a processor to perform the control method of the T3 operating mode air conditioner of any one of the first aspects.
In a third aspect of the present application, there is provided a control apparatus including:
a processor;
a memory adapted to store a plurality of program codes adapted to be loaded and executed by the processor to perform the control method of the T3 operating mode air conditioner according to any one of the first aspects.
In a fourth aspect of the present application, a T3-condition air conditioner is provided, where the T3-condition air conditioner includes the control device according to the third aspect.
Drawings
The present application is described below with reference to the accompanying drawings. In the accompanying drawings:
FIG. 1 is a system diagram (double cylinder mode) of a T3 operating mode air conditioner of the present application;
FIG. 2 is a system diagram (dual stage mode) of a T3 operating mode air conditioner of the present application;
FIG. 3 is a flow chart of a control method of the T3 working condition air conditioner;
fig. 4 is a logic diagram of a possible implementation of the control method of the T3-mode air conditioner of the present application.
List of reference numerals
1. A compressor; 11. a first compression cylinder; 12. a second compression cylinder; 13. a first port; 14. a second port; 15. a third port; 16. a fourth port; 17. an exhaust port; 2. an indoor heat exchanger; 31. a first throttle device; 32. a second throttle device; 4. an outdoor heat exchanger; 5. a water receiving tray; 6. a drain pipe; 71. a first four-way valve; 72. a second four-way valve; 8. a gas-liquid separator; 9. a heat sink.
Detailed Description
Preferred embodiments of the present application are described below with reference to the accompanying drawings. It should be understood by those skilled in the art that these embodiments are merely for explaining the technical principles of the present application, and are not intended to limit the scope of the present application. For example, although the steps are described in the following embodiments in terms of a sequential order, it should be understood by those skilled in the art that, in order to achieve the effects of the present embodiments, the steps need not be performed in such order, and may be performed simultaneously (in parallel) or in reverse order, and these simple variations are within the scope of the present application.
It should be noted that, in the embodiments of the present application, the terms "first," "second," "third," "fourth," are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. In addition, the "plurality" described in the embodiments of the present application means two or more.
It should also be noted that, in the description of the present application, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the terms in this application will be understood by those skilled in the art as the case may be.
First, referring to fig. 1 and 2, a T3 operation air conditioner of the present application will be described.
As shown in fig. 1 and 2, the air conditioner of the present application includes a compressor 1, an outdoor heat exchanger 4, a throttle device, and an indoor heat exchanger 2 connected by refrigerant lines. The exhaust port 17 of the compressor 1 is communicated with the inlet of the outdoor heat exchanger 4 through the second four-way valve 72, the outlet of the outdoor heat exchanger 4 is communicated with the inlet of the throttling device, the outlet of the throttling device is communicated with the inlet of the indoor heat exchanger 2, and the outlet of the indoor heat exchanger 2 is communicated with the air suction port of the compressor 1 through the second four-way valve 72.
The air conditioner further comprises a water pan 5, a drain pipe 6 and a radiator 9. The water pan 5 is arranged below the indoor heat exchanger 2 and is used for receiving condensed water generated in the working process of the indoor heat exchanger 2. The water receiving tray 5 is connected to the outside through a drain pipe 6, and a radiator 9 is provided on the drain pipe 6 for exchanging heat with the compressor 1. Preferably, the radiator 9 is a copper pipe radiator 9 fixed near the compressor 1 and provided with a heat dissipation fan, and the compressor 1 and condensed water inside the radiator 9 exchange heat by driving air to flow when the heat dissipation fan is started.
Through setting up water collector 5 and radiator 9, can utilize the comdenstion water that the indoor set produced to cool down outdoor compressor 1 casing, reduce compressor 1 surface temperature to reduce compressor 1's power, promote the energy efficiency level of system.
Preferably, the compressor 1 is a variable capacity compressor 1, the variable capacity compressor 1 having two compression cylinders. Specifically, the first compression cylinder 11 and the second compression cylinder 12 are arranged in the variable-volume compressor 1, four ports and one exhaust port 17 are formed in a shell of the compressor 1, wherein the first port 13 is communicated with an air inlet of the first compression cylinder 11, the second port 14 is communicated with an air outlet of the first compression cylinder 11, the third port 15 is communicated with an air inlet of the second compression cylinder 12, an air outlet of the second compression cylinder 12 is communicated with the exhaust port 17, and the fourth port 16 is communicated with the exhaust port 17 through the inside of the shell.
The positive displacement compressor 1 is further provided with a first four-way valve 71, the first four-way valve 71 having four ports a, b, c, d, wherein a first port a communicates with the fourth port 16, a second port b communicates with the second port 14, and a third port c communicates with the third port 15. The four-way valve is internally provided with a moving part, and when the four-way valve is electrified or powered off, the moving part moves in the four-way valve to realize the communication and blocking between different interfaces.
The interface of the second four-way valve 72 communicated with the air suction port of the compressor 1 is divided into two refrigerant pipelines through a flow divider, the two refrigerant pipelines are respectively communicated with the inlets of the two gas-liquid separators 8, and the outlets of the two gas-liquid separators 8 are respectively communicated with the two compression cylinders of the variable-capacity compressor 1. Wherein, the outlet of one gas-liquid separator 8 is directly communicated with the first port 13, and the outlet of the other gas-liquid separator 8 is communicated with the third port 15 through the fourth port d of the first four-way valve 71, thereby indirectly realizing the communication with the third port 15.
In the above arrangement, the operation modes of the variable capacity compressor 1 include a two-cylinder mode and a two-stage mode. Referring to fig. 1, the first four-way valve 71 is in a double-cylinder mode when power is off, and in this mode, two compression cylinders of the variable-capacity compressor 1 compress refrigerant independently. Specifically, a part of the refrigerant passes through one of the gas-liquid separators 8, enters the first compression cylinder 11 from the first port 13, is compressed by the first compression cylinder 11, is discharged from the second port 14, enters the casing through the second port b and the first port a of the first four-way valve 71, and is finally discharged from the exhaust port 17. The other part of refrigerant passes through the other gas-liquid separator 8, then enters the second compression cylinder 12 from the third port 15 through the fourth port d and the third port c of the first four-way valve 71, is compressed by the second compression cylinder 12, and is discharged through the exhaust port 17.
Referring to fig. 2, the first four-way valve 71 is in a two-stage mode when powered on. In this mode, the two compression cylinders of the variable-capacity compressor 1 compress the refrigerant sequentially. Specifically, the first port a and the fourth port d of the first four-way valve 71 are blocked by a moving member, refrigerant passes through the gas-liquid separator 8, then enters the first compression cylinder 11 through the first port 13, is compressed by the first compression cylinder 11, is discharged through the second port 14, then passes through the second port b and the third port c of the first four-way valve 71, enters the second compression cylinder 12 through the third port 15, is compressed twice by the second compression cylinder 12, and is discharged through the exhaust port 17.
It will be appreciated by those skilled in the art that the above-mentioned air conditioner is merely preferable, and those skilled in the art can adjust the structure of the above-mentioned air conditioner without departing from the principles of the present application, so that the present application is applicable to more specific application scenarios. For example, the switching between the two-cylinder mode and the bipolar mode of the variable-volume compressor 1 may be achieved by not providing the first four-way valve 71 but providing a plurality of valve groups by controlling the opening and closing of the respective valves within the valve groups. For another example, the specific structural form of the variable-capacity compressor 1 is not constant, and on the premise of being capable of realizing the switching between the double-cylinder mode and the double-stage mode, a person skilled in the art can adjust the structure of the variable-capacity compressor 1, for example, change the number of ports, positions, connection relations and the like. For another example, the second four-way valve 72 may not be provided. For example, the radiator 9 may be of another structure as long as it can exchange heat with the compressor 1. For example, the radiator 9 may be a coil, which is provided in the housing of the compressor 1, or the like. For another example, the setting of the heat sink 9 is not necessary, and a person skilled in the art may select whether to set the heat sink 9 based on a specific scenario.
The control method of the present application will be described with reference to fig. 3.
As shown in fig. 3, in order to solve the problem that the compression ratio of a compressor is increased to cause the attenuation of refrigerating capacity when an air conditioner in a T3 climate type region is in a high temperature environment, the control method of the present application includes:
s101, during refrigeration operation, the exhaust temperature of the variable-capacity compressor is obtained. For example, the discharge temperature of the variable-capacity compressor is obtained by a temperature sensor provided at the discharge port of the compressor.
S103, judging the magnitude of the exhaust temperature and a preset temperature threshold value. For example, the preset temperature threshold is an upper limit value of the discharge temperature of the compressor, which may be determined by a comparison table between the ambient temperature and the preset temperature threshold, or may be determined based on a fitting formula between the ambient temperature and the preset temperature threshold, or the like. After the preset temperature threshold value is determined, the difference value or the ratio between the exhaust temperature and the preset temperature threshold value is calculated to calculate the magnitude of the exhaust temperature and the preset temperature threshold value.
S105, based on the judging result, determining the working mode of the variable-capacity compressor. For example, the working modes of the variable-capacity compressor include a double-cylinder mode in which two compression cylinders of the variable-capacity compressor compress the refrigerant independently, and a double-stage mode in which the two compression cylinders of the variable-capacity compressor compress the refrigerant sequentially. And determining the working mode of the variable-capacity compressor according to the judging result, so that the refrigerating capacity of the variable-capacity compressor is matched with the environment.
And S107, controlling the variable-capacity compressor to run based on the working mode. For example, after determining the operating mode of the compressor, the compressor is controlled to operate in the selected mode.
According to the technical scheme, the working mode of the variable-capacity compressor is controlled based on the comparison result of the exhaust temperature and the preset temperature threshold, so that the compressor can be changed in working modes under different environments to control the displacement and the compression ratio of the compressor, the compressor is always in a high-efficiency frequency interval, leakage risk is reduced, refrigeration capacity attenuation is avoided, and refrigeration effect is guaranteed.
The following describes preferred embodiments of the present application.
In one embodiment, the step of determining the operation mode of the variable-capacity compressor based on the determination result further includes: and when the exhaust temperature is smaller than a preset temperature threshold value, determining that the working mode of the variable-capacity compressor is a two-stage mode. And when the exhaust temperature is greater than or equal to a preset temperature threshold value, determining that the working mode of the variable-capacity compressor is a double-cylinder mode.
Specifically, when the discharge temperature is less than the preset temperature threshold, the discharge temperature of the compressor is not high and the indoor load is not large. At the moment, the compressor is controlled to operate in a two-stage mode, and a larger compression ratio can be realized at a lower operating frequency, so that the evaporating temperature requirement is met, and the refrigerating effect and the refrigerating efficiency of the air conditioner are ensured. When the exhaust temperature is higher than a preset temperature threshold value, the exhaust temperature of the compressor is proved to be too high, the compression ratio of the compressor is larger at the moment, the operation frequency of the compressor is too high, the risk of refrigerant leakage exists, and the refrigerating capacity and the effect are influenced. The working mode of the compressor is switched into the double-cylinder mode, the frequency is lower under the same exhaust capacity, the high pressure of the air conditioning system is low, the low pressure is high, the compression ratio of the compressor is reduced, and the exhaust temperature of the outdoor heat exchanger is reduced, so that the running efficiency and the refrigerating effect are ensured.
In one embodiment, the control method further comprises: when the double-cylinder mode is switched to the double-cylinder mode, determining the current operating frequency of the variable-capacity compressor in the double-cylinder mode based on the previous operating frequency of the variable-capacity compressor in the double-cylinder mode before switching; the variable-capacity compressor is controlled to operate at a current operating frequency. Specifically, the step of determining the current operating frequency of the variable-capacity compressor in the two-cylinder mode based on the previous operating frequency of the variable-capacity compressor in the two-cylinder mode before switching further includes: the current operating frequency is calculated by the following formula:
f2＝V1×f1/(V1+V2) (1)
in the formula (1), f2 is the current operating frequency, f1 is the previous operating frequency, and V1 and V2 are the volumes of the two compression cylinders of the variable-capacity compressor, respectively. According to the formula, the indoor refrigeration effect can be ensured not to be attenuated and the refrigeration capacity of the indoor unit can be maintained by calculating the exhaust gas quantity in the two-stage mode and calculating the operation frequency of the compressor in the double-cylinder mode.
Of course, the above control method is only a preferred embodiment, and those skilled in the art can determine the frequency of the compressor in the defrost mode in other ways, such as a comparison table, an empirical formula, etc.
In one embodiment, a water pan is arranged below the indoor heat exchanger, the water pan is communicated with the outside through a drain pipe, a radiator is arranged on the drain pipe, and the radiator is used for exchanging heat with the compressor. Specifically, in the operation process of the air conditioner, the indoor heat exchanger can generate condensed water, the condensed water is led to the radiator through the water receiving disc and the drain pipe, the temperature of the radiator is reduced, and the condensed water exchanges heat with the compressor, so that the compressor is cooled, and the compressor can always maintain to operate at a higher energy efficiency level.
Through setting up water collector and radiator, can utilize the comdenstion water that indoor set produced to cool down outdoor compressor casing, reduce compressor surface temperature to reduce the power of compressor, promote the energy efficiency level of system.
Of course, the setting of the heat sink is not necessary, and one skilled in the art can select whether the heat sink needs to be set based on a specific application scenario.
One possible operation of the air conditioner of the present application will be briefly described with reference to fig. 4.
As shown in fig. 4, during one possible operation:
s201, the discharge temperature Ts of the compressor is acquired, and then S202 is executed.
S202, judging whether Ts is equal to or greater than Tmax is true? If so, then S203 is performed; otherwise, if not, S204 is executed.
S203, controlling the compressor to operate in a two-cylinder mode, and determining the operation frequency based on f2=v1×f1/(v1+v2) calculation.
S204, controlling the compressor to operate in a two-stage mode.
It should be noted that, although the foregoing describes in detail the detailed steps of the method of the present application, those skilled in the art may combine, split and exchange the sequence of the steps without departing from the basic principles of the present application, and the technical solution thus modified does not change the basic concepts of the present application, and therefore falls within the scope of protection of the present application.
The invention also provides a computer readable storage medium. In one embodiment of the computer readable storage medium according to the present invention, the computer readable storage medium may be configured to store a control method of the T3-mode air conditioner for performing the above-described method embodiment, and the program may be loaded and executed by a processor to implement the above-described control method of the T3-mode air conditioner. For convenience of explanation, only those portions of the embodiments of the present invention that are relevant to the embodiments of the present invention are shown, and specific technical details are not disclosed, please refer to the method portions of the embodiments of the present invention. The computer readable storage medium may be a storage device including various electronic devices, and optionally, the computer readable storage medium in the embodiments of the present invention is a non-transitory computer readable storage medium.
The invention also provides a power conversion control device. In one embodiment of the power conversion control device according to the present invention, the power conversion control device includes a processor and a memory, the memory may be configured to store a program for executing the control method of the T3-operation air conditioner of the above-described method embodiment, and the processor may be configured to execute the program in the memory, including, but not limited to, the program for executing the control method of the T3-operation air conditioner of the above-described method embodiment. For convenience of explanation, only those portions of the embodiments of the present invention that are relevant to the embodiments of the present invention are shown, and specific technical details are not disclosed, please refer to the method portions of the embodiments of the present invention. The computer device may be an apparatus device formed including various electronic devices.
The application also provides a T3 working condition air conditioner, wherein the T3 working condition air conditioner comprises the control device. Through setting up controlling means in T3 operating mode air conditioner, can be based on the operating mode of exhaust temperature control compressor, make the compressor be in high-efficient operation interval always, reduce and reveal the risk, avoid refrigerating capacity to weaken, guarantee the operation effect.
Those skilled in the art will appreciate that while some embodiments described herein include some features but not others included in other embodiments, combinations of features of different embodiments are meant to be within the scope of the present application and form different embodiments. For example, in the claims of the present application, any of the claimed embodiments may be used in any combination.
It should be noted that, although the foregoing describes in detail the detailed steps of the method of the present application, those skilled in the art may combine, split and exchange the sequence of the steps without departing from the basic principles of the present application, and the technical solution thus modified does not change the basic concepts of the present application, and therefore falls within the scope of protection of the present application.
Thus far, the technical solution of the present application has been described in connection with the preferred embodiments shown in the drawings, but it is easily understood by those skilled in the art that the scope of protection of the present application is not limited to these specific embodiments. Equivalent modifications and substitutions for related technical features may be made by those skilled in the art without departing from the principles of the present application, and such modifications and substitutions will be within the scope of the present application.
Claims (10)
1. The control method of the T3 working condition air conditioner comprises a compressor, an outdoor heat exchanger, a throttling device and an indoor heat exchanger which are sequentially connected through refrigerant pipes, and is characterized in that the compressor is a variable capacity compressor, the variable capacity compressor is provided with two compression cylinders, and the control method comprises the following steps:
when in refrigeration operation, the exhaust temperature of the variable-capacity compressor is obtained;
judging the exhaust temperature and a preset temperature threshold value;
determining a working mode of the variable-capacity compressor based on a judging result;
controlling the operation of the variable-capacity compressor based on the working mode;
the working modes of the variable-capacity compressor comprise a double-cylinder mode and a double-stage mode, wherein in the double-cylinder mode, two compression cylinders of the variable-capacity compressor independently compress a refrigerant, and in the double-stage mode, the two compression cylinders of the variable-capacity compressor sequentially compress the refrigerant.
2. The control method of the T3 operating mode air conditioner according to claim 1, wherein the step of determining the operation mode of the variable capacity compressor based on the judgment result further comprises:
and when the exhaust temperature is smaller than the preset temperature threshold value, determining that the working mode of the variable-capacity compressor is the two-stage mode.
3. The control method of the T3 operating mode air conditioner according to claim 2, wherein the step of determining the operation mode of the variable capacity compressor based on the judgment result further comprises:
and when the exhaust temperature is greater than or equal to the preset temperature threshold, determining that the working mode of the variable-capacity compressor is the double-cylinder mode.
4. The control method of the T3 operating mode air conditioner according to claim 3, further comprising:
determining a current operating frequency of the variable-capacity compressor in the double-cylinder mode based on a previous operating frequency of the variable-capacity compressor in the double-cylinder mode before switching from the double-cylinder mode to the double-cylinder mode;
and controlling the variable-capacity compressor to operate at the current operating frequency.
5. The method of controlling a T3 operating mode air conditioner according to claim 4, wherein the step of determining a current operating frequency of the variable capacity compressor in the two-cylinder mode based on a previous operating frequency of the variable capacity compressor in the two-cylinder mode before switching further comprises:
the current operating frequency is calculated by the following formula:
f2＝V1×f1/(V1+V2)
wherein f2 is the current operating frequency, f1 is the previous operating frequency, and V1 and V2 are the volumes of two compression cylinders of the variable-capacity compressor, respectively.
6. The control method of a T3 operating mode air conditioner according to any one of claims 1 to 5, wherein a water pan is provided under the indoor heat exchanger, the water pan is communicated with the outside through a drain pipe, a radiator is provided on the drain pipe, and the radiator is used for exchanging heat with the compressor.
7. The control method of the T3 operating mode air conditioner according to claim 6, wherein the radiator is a copper pipe radiator, and the radiator is provided with a heat radiation fan; or alternatively
The radiator is a coil, and the coil is arranged on the shell of the compressor.
8. A computer readable storage medium storing a plurality of program codes, wherein the program codes are adapted to be loaded and executed by a processor to perform the control method of the T3 operating mode air conditioner of any one of claims 1 to 7.
9. A control device, characterized in that the control device comprises:
a processor;
a memory adapted to store a plurality of program codes adapted to be loaded and executed by the processor to perform the control method of the T3 operating mode air conditioner of any one of claims 1 to 7.
10. A T3-condition air conditioner, characterized in that the T3-condition air conditioner includes the control device of claim 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310344421.5A CN116379577A (en) | 2023-03-31 | 2023-03-31 | Control method, medium and device of T3 working condition air conditioner and air conditioner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310344421.5A CN116379577A (en) | 2023-03-31 | 2023-03-31 | Control method, medium and device of T3 working condition air conditioner and air conditioner |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN116379577A true CN116379577A (en) | 2023-07-04 |
Family
ID=86962891
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202310344421.5A Pending CN116379577A (en) | 2023-03-31 | 2023-03-31 | Control method, medium and device of T3 working condition air conditioner and air conditioner |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN116379577A (en) |
-
2023
- 2023-03-31 CN CN202310344421.5A patent/CN116379577A/en active Pending
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| RU2660234C2 (en) | Refrigerating unit | |
| CN103216908B (en) | Control method for outdoor fan in refrigeration of variable frequency multi-split air-conditioning unit | |
| CN102121741A (en) | Multi-connection air conditioning unit and control method thereof during small-load refrigeration running | |
| US20160209084A1 (en) | Heat recovery refrigeration device | |
| CN110822756A (en) | Heat pump air conditioning system and operation method thereof | |
| CN209857294U (en) | Refrigerating system and air conditioner with same | |
| WO2020143169A1 (en) | Air conditioning system and control method therefor | |
| CN214250189U (en) | Air conditioning system | |
| US10670316B2 (en) | Compressor and fan staging in heating, ventilation, and air conditioning systems | |
| CN116379577A (en) | Control method, medium and device of T3 working condition air conditioner and air conditioner | |
| CN110849019A (en) | Heat pump type air conditioning system and control method thereof | |
| WO2023147068A1 (en) | Heat pump control systems and methods | |
| CN115682293A (en) | Air conditioner control system | |
| JPH07103584A (en) | Air-conditioning equipment | |
| CN210951943U (en) | Air conditioning system | |
| CN110234938B (en) | Outdoor system of air conditioner | |
| US11067319B2 (en) | Heat exchanger with multiple conduits and valve control system | |
| JP4169521B2 (en) | Air conditioner | |
| CN211011983U (en) | Heat pump air conditioning system | |
| CN219713552U (en) | Cavitation-preventing composite refrigerating system and multi-split air conditioner unit | |
| JP6229159B2 (en) | Air conditioner | |
| CN102563812B (en) | Multi-split air-conditioning system and control method thereof | |
| CN218379833U (en) | Air conditioner control system | |
| JP2012088033A (en) | Method of controlling operation of air conditioner | |
| CN108332443B (en) | Refrigerating system capable of realizing variable flow single-stage compression cycle and cascade cycle |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |