CN106705249B - Window type air conditioner and control method thereof - Google Patents
Window type air conditioner and control method thereof Download PDFInfo
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- CN106705249B CN106705249B CN201510795003.3A CN201510795003A CN106705249B CN 106705249 B CN106705249 B CN 106705249B CN 201510795003 A CN201510795003 A CN 201510795003A CN 106705249 B CN106705249 B CN 106705249B
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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
- F24F1/00—Room units for air-conditioning, e.g. separate or self-contained units or units receiving primary air from a central station
- F24F1/02—Self-contained room units for air-conditioning, i.e. with all apparatus for treatment installed in a common casing
- F24F1/022—Self-contained room units for air-conditioning, i.e. with all apparatus for treatment installed in a common casing comprising a compressor cycle
- F24F1/027—Self-contained room units for air-conditioning, i.e. with all apparatus for treatment installed in a common casing comprising a compressor cycle mounted in wall openings, e.g. in windows
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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
- F24F11/30—Control or safety arrangements for purposes related to the operation of the system, e.g. for safety or monitoring
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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
- F24F11/70—Control systems characterised by their outputs; Constructional details thereof
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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
- F24F11/89—Arrangement or mounting of control or safety devices
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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
- F24F2110/00—Control inputs relating to air properties
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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
- F24F2110/00—Control inputs relating to air properties
- F24F2110/10—Temperature
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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
- F24F2110/00—Control inputs relating to air properties
- F24F2110/10—Temperature
- F24F2110/12—Temperature of the outside air
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- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Atmospheric Sciences (AREA)
- Air Conditioning Control Device (AREA)
Abstract
The invention provides a window type air conditioner and a control method thereof, wherein the window type air conditioner comprises the following components: the air conditioner comprises an air conditioner main body, a bypass air duct and an air guide device; an air inlet of the bypass air duct is communicated with an indoor side air duct outlet of the air conditioner main body, and an air outlet of the bypass air duct faces to the upper part of a compressor of the air conditioner main body; the air guide device is arranged in the bypass air channel and used for controlling the air quantity flowing through the bypass air channel. According to the technical scheme, when a product operates under a high-temperature refrigeration working condition, cold air flowing through an outlet of an indoor side air duct is guided to the upper part of a compressor of an air conditioner main body through the bypass air duct, so that the temperature of the high-pressure side of the compressor is reduced, the pressure of the whole refrigerant loop system is reduced to a certain extent, the problems of jump stop or damage of the compressor and the like are avoided, and the reliability of product operation is improved; and the bearing capacity of the product to the outdoor environment temperature is improved to a certain extent, so that the application occasions of the product are widened.
Description
Technical Field
The invention relates to the technical field of air conditioners, in particular to a window type air conditioner and a control method of the window type air conditioner.
Background
In the existing window type air conditioner, in order to avoid the problem of compressor jump stop caused by the rise of system pressure in the product, the upper limit value of the outdoor side use temperature is generally limited to be below 50 ℃, however, with the further enhancement of the global warming trend, the highest temperature of some regions reaches 50 ℃ or even higher, so that the window type air conditioner can not meet the use requirement of the user in the aspect of high temperature refrigeration more and more, therefore, the window type air conditioner which can execute the refrigeration working condition in the environment with the temperature higher than 50 ℃ and can avoid the problem of compressor jump stop is urgently needed to be designed.
Disclosure of Invention
In order to solve at least one of the above technical problems, an object of the present invention is to provide a window type air conditioner capable of reducing the pressure of a refrigerant circuit system under a high temperature refrigeration condition.
Another object of the present invention is to provide a method for controlling a window type air conditioner, which is used for controlling the window type air conditioner.
To achieve the above object, an embodiment of a first aspect of the present invention provides a window type air conditioner, including: an air conditioner main body; an air inlet of the bypass air duct is communicated with an indoor side air duct outlet of the air conditioner main body, and an air outlet of the bypass air duct faces to the upper part of a compressor of the air conditioner main body; and the air guide device is arranged in the bypass air channel and is used for controlling the air quantity flowing through the bypass air channel.
The air conditioner main body comprises a compressor, a throttling element, an indoor air channel and an indoor heat exchanger inside the indoor air channel, an outdoor air channel and an outdoor heat exchanger inside the outdoor air channel, and an indoor fan blade and an outdoor fan blade which are driven by the same motor, wherein the compressor, the indoor heat exchanger, the throttling element and the outdoor heat exchanger are connected to form a refrigerant loop, the indoor fan blade drives air in the indoor air channel to flow, and the outdoor fan blade drives air in the outdoor air channel to flow.
In the window type air conditioner provided by the embodiment of the first aspect of the invention, the bypass air duct is arranged at the outlet of the indoor side air duct of the air conditioner main body, and when a product runs under a high-temperature refrigeration working condition, cold air flowing through the outlet of the indoor side air duct can be guided to the upper part of the compressor of the air conditioner main body through the bypass air duct, so that the temperature of the high-pressure side of the compressor is reduced, the pressure of the whole refrigerant loop system is reduced to a certain extent, the problems of jump stop or damage of the compressor and the like caused by the pressure rise of the refrigerant loop system under the condition of overhigh ambient temperature are avoided, and the running reliability of the window type air conditioner is; and the bearing capacity of the product to the outdoor environment temperature is improved to a certain extent, so that the application occasions of the product are widened, and the product can meet the use requirements of consumers.
In addition, an air guide device is further arranged in the bypass air duct, so that air volume of the bypass air duct can be conveniently adjusted according to parameters such as ambient temperature and the like related to system pressure, and the working efficiency of products is improved on the premise of ensuring normal operation of the products.
In addition, the window type air conditioner in the above embodiment provided by the present invention may further have the following additional technical features:
in the above technical solution, the window type air conditioner further includes: a first detection element that detects an outdoor ambient temperature and transmits a first detection signal; and the control device is connected with the first detection element, and receives and controls the on-off of the bypass air channel according to the first detection signal.
The first detection element is arranged so that the product can automatically detect outdoor environment temperature, and when the outdoor environment temperature exceeds the highest environment temperature corresponding to the good working state of the compressor, the bypass air channel is automatically communicated through the control device so as to utilize cold energy generated by refrigeration to cool the high-pressure side of the compressor, thereby avoiding the problems of pressure rise of a refrigerant loop system caused by overhigh environment temperature, jump stop or damage of the compressor and the like, improving the use reliability of the product and widening the application occasions of the product; when the outdoor environment temperature is lower than or equal to the highest environment temperature corresponding to the good working state of the compressor, the control device cuts off the bypass air channel to reduce the loss of indoor cold quantity, thereby improving the working efficiency of the product; the design makes the product more intelligent, thereby making the use of the product more convenient.
In any one of the above technical solutions, the window type air conditioner further includes: a second detection element for detecting the surface temperature of the upper part of the compressor and sending a second detection signal; the control device is connected with the second detection element, and can receive and adjust the opening value of the air guide device according to the second detection signal.
In view of the difference of the rotating speed of the product during operation, the scheme controls the opening value of the air guide device according to the surface temperature of the upper part of the compressor, so that the loss of indoor cold quantity is reduced to the maximum extent on the premise of ensuring the normal operation of the product; specifically, the second detection element is arranged so that the product can automatically detect the surface temperature of the high-pressure side of the compressor, and when the surface temperature exceeds the highest surface temperature corresponding to the normal working state of the compressor, the control device automatically increases the opening degree value of the air guide device so as to improve the cooling efficiency of the cold energy on the high-pressure side of the compressor, thereby further improving the use reliability of the product; when the surface temperature is lower than or equal to the highest surface temperature corresponding to the normal working state of the compressor, the control device adjusts the opening degree value of the air guide device back to the preset opening degree value in the normal state so as to further reduce the loss of indoor cold quantity and improve the working efficiency of products.
In any of the above technical solutions, the control device is connected to a motor of the air conditioner main body, and the control device controls an operation parameter of the motor according to the first detection signal.
By the arrangement of the structure, the rotating speed of the motor is increased by using the control device under the condition of overhigh ambient temperature, so that the heat exchange efficiency of the outdoor heat exchanger is improved, and the pressure of the system is further reduced; and to the problem that the efficiency of the indoor side heat exchanger that the motor speed improves and arouses improves, this scheme can coordinate the accommodation process to air ducting's the opening value to the mode through cooling to the compressor high pressure side compensates rising refrigerant circuit system pressure, and finally realizes the purpose that reduces whole refrigerant circuit system pressure.
In any one of the above technical solutions, the air guiding device includes: the air deflector is arranged in the bypass air channel and used for adjusting the opening value of the bypass air channel; and the valve is arranged between the air inlet of the bypass air channel and the air deflector and is used for controlling the on-off of the bypass air channel.
According to the scheme, the control device adjusts the air volume in the bypass air channel by adjusting the opening angle of the air deflector, namely, adjustment of the opening value is achieved, on the basis, the on-off of the bypass air channel is controlled by setting the valve, the bypass air channel is located between the air inlet of the bypass air channel and the air deflector, on one hand, the bypass air channel can be cut off by the valve under the non-refrigeration working condition, so that indoor air energy is prevented from being dissipated from the bypass air channel, the working efficiency of a product is guaranteed, on the other hand, the wind resistance of the air deflector under the non-refrigeration working condition can be reduced, and the control accuracy of the opening angle of the air deflector in the long-term use process of the product is.
The embodiment of the second aspect of the invention provides a control method of a window type air conditioner, which is used for the window type air conditioner and comprises the following steps: detecting a surface temperature of an upper portion of the compressor; and adjusting the opening value of an air deflector of the air guide device according to the detected surface temperature.
In the control method of the window type air conditioner provided by the embodiment of the second aspect of the invention, the cold air flowing through the outlet of the indoor side air duct is guided to the upper part of the compressor of the air conditioner main body through the bypass air duct, and the opening value of the air deflector in the bypass air duct is adjusted according to the surface temperature of the upper part of the compressor, so that the surface temperature of the upper part of the compressor can be maintained below the highest surface temperature corresponding to the normal operation of the compressor, the problems of jump stop of the compressor and the like are avoided, and the use reliability of the product is improved.
In addition, the control method of the window type air conditioner in the above embodiment provided by the present invention may further have the following additional technical features:
in the above technical solution, the adjusting an opening degree value of an air deflector of the air guiding device according to the detected surface temperature includes: if the detected surface temperature is not greater than the preset surface temperature, controlling the opening degree value of the air deflector to be the preset opening degree value; and if the detected surface temperature is higher than the preset surface temperature, controlling the opening value of the air deflector to be a preset opening value plus a compensation value.
For the condition that a window type air conditioner is in a refrigeration working condition, when the environment temperature is fixed, the critical value of the surface temperature of the high-pressure side of the window type air conditioner corresponds to the critical value of the surface temperature of the high-pressure side of the compressor when the problem of jump stop of the compressor begins to occur, a preset surface temperature is preset in the scheme, the preset surface temperature is close to and lower than the critical value, and then in view of the surface temperature difference of the upper part of the compressor when the product runs at different rotating speeds, the opening value of the air deflector is adjusted according to the size relation between the detected surface temperature and the preset surface temperature, so that the surface temperature of the upper part of the compressor is controlled to fluctuate up and down around the preset surface temperature in a small amplitude under the condition that the; specifically, when the detected surface temperature is not greater than the preset surface temperature, the opening degree value of the air deflector is controlled to be the preset opening degree value, and the preset opening degree value corresponds to the opening degree value which can ensure that the compressor runs in a good state under the environment temperature, so that the loss of indoor cold energy is reduced to the maximum extent on the premise of ensuring the normal running of a product; and when the detected surface temperature is higher than the preset surface temperature, the opening value of the air deflector is controlled to be the preset opening value plus the compensation value, wherein the compensation value is a fixed value preset in the product, and the preset opening value plus the compensation value is higher than the preset opening value, so that the cooling force on the upper part of the compressor can be increased, the surface temperature on the upper part of the compressor can be quickly restored to be lower than the preset surface temperature, the problems of tripping and stopping of the compressor and the like are avoided, and the use reliability of the compressor is improved.
In the technical scheme, when the surface temperature of the upper part of the compressor is detected, timing is started; and when the timing reaches the preset time length, re-detecting the surface temperature and re-timing.
Through setting up suitable length of time of predetermineeing, can accurately, in time learn the surface temperature change condition on compressor upper portion to make controlling means can adjust the cold wind volume of direction compressor according to the cooling demand of compressor high-pressure side developments, thereby guarantee that the surface temperature of compressor high-pressure side can maintain dynamic balance on the time axis, thereby under the prerequisite of guaranteeing the product normal operating, furthest reduces the loss of indoor cold volume.
Specifically, the preset duration is preferably 60 seconds, and of course, the preset duration is not limited here, and the specific numerical value may be determined according to the actual situation.
In any of the above solutions, before detecting the surface temperature of the upper part of the compressor, the outdoor ambient temperature is detected; judging whether the detected ambient temperature is greater than a preset ambient temperature; if the detected ambient temperature is greater than the preset ambient temperature, the running rotating speed of a motor of the air conditioner main body is increased to a preset rotating speed, and the bypass air channel is controlled to be communicated according to the detected ambient temperature.
In the scheme, whether the requirement for reducing the pressure of the refrigerant loop system is met or not is judged according to the size relation between the ambient temperature and the preset ambient temperature, the pressure of the refrigerant loop system is reduced by increasing the running rotating speed of the motor in a mode of increasing the heat exchange efficiency of the outdoor side heat exchanger under the condition that the pressure of the refrigerant loop system needs to be reduced, the problem that the efficiency of the indoor side heat exchanger is improved due to the increase of the rotating speed of the motor is solved, the bypass system is communicated in the scheme, indoor cold is guided to the high-pressure side of the compressor through the bypass air channel, the increased pressure of the refrigerant loop system is compensated in a mode of reducing the surface temperature of the high-pressure side of the compressor, and the purpose of reducing the pressure of the.
In any one of the above technical solutions, the controlling the bypass duct to communicate according to the detected ambient temperature includes: opening a valve of the air guide device; judging a preset temperature interval where the detected environment temperature is located, and acquiring the preset opening value and the preset surface temperature corresponding to the preset temperature interval; and controlling the opening degree value of the air deflector to be the preset opening degree value.
In the product operation process, the detected ambient temperature is in curve change, and the preset temperature interval is set in the scheme to correspond to the preset opening value, so that the opening value of the air guide device can be in gradient change along with the ambient temperature, the action frequency of the air guide device is reduced, and the product is more reliable to use.
Specifically, in the present embodiment, a preset temperature interval corresponds to a preset opening value and a preset surface temperature, and when the preset surface temperature corresponds to an ambient temperature within the preset temperature interval, the preset surface temperature of the compressor running in a normal state can be ensured, and when the preset opening value corresponds to the ambient temperature within the preset temperature interval, the surface temperature of the upper portion of the compressor can be maintained at the opening value of the air guiding device below the preset surface temperature.
Then under the condition that the detected ambient temperature is greater than the preset ambient temperature, judging the preset temperature interval where the ambient temperature is located, and after acquiring the corresponding preset surface temperature and the preset opening degree: when the result that the surface temperature of the upper part of the compressor is less than or equal to the preset surface temperature is obtained, controlling the opening value of the air deflector to be the preset opening value so as to avoid the problems of tripping and the like of the compressor and ensure that the compressor can run in a good state; when the result that the surface temperature of the upper part of the compressor is higher than the preset surface temperature is obtained, the opening value of the air deflector is controlled to be the preset opening value plus the compensation value, so that the surface temperature of the upper part of the compressor quickly returns to the temperature below the preset surface temperature, the problems of jump stop of the compressor and the like are avoided, and the use reliability of the product is improved.
For example: the outdoor use temperature range of the window type air conditioner under the common refrigeration working condition is 0-50 ℃, when the detected ambient temperature is 0-50 ℃, the valve of the air guide device is controlled to be closed, and the opening value of the air guide plate is controlled to be minimum.
Setting the outdoor use temperature of the window type air conditioner under the high-temperature refrigeration working condition to be higher than 50 ℃, setting the first preset temperature interval to be 50-55 ℃, setting the first preset opening value corresponding to the air deflector to be alpha 2, and setting the first preset surface temperature of the compressor to be T2; if the detected environment temperature T is in the range of 50-55 ℃ and the detected surface temperature T of the upper part of the compressor is less than or equal to T2, the opening degree of the air deflector is alpha 2; and if the detected environment temperature T is in the range of 50-55 ℃ and the detected surface temperature T of the upper part of the compressor is greater than T2, the opening degree of the air deflector is alpha 2+ n, wherein n is a compensation value.
Of course, the specific values listed above are not limited herein, and may be adjusted appropriately according to the actual situation, for example, the first preset temperature range may also be 50 ℃ to 52 ℃, and in addition, it is understood that the present embodiment may also include a second preset temperature range, a third preset temperature range, and the like, which are not listed herein, but all of which are within the protection scope of the present invention.
Preferably, n corresponds to 10 ° of rotation of the air deflection plate in the opening increasing direction.
In the above technical solution, the control method of the window type air conditioner further includes: obtaining a shutdown instruction; and closing the valve and the air guide plate of the air guide device in sequence according to the shutdown instruction.
In the scheme, when the window type air conditioner receives a shutdown instruction sent by a user or a timing device, the control device firstly closes the valve of the air guide device and then closes the air deflector of the air guide device, so that damage to the air deflector due to instantaneous increase of wind resistance in the bypass air duct can be avoided, and the use safety and reliability of the air deflector are improved.
In addition, the valve and the air deflector of the air guide device are closed, and the bypass air duct can be prevented from dust, so that the use cleanness of the window type air conditioner is improved.
Additional aspects and advantages of the invention will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention.
Drawings
The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:
fig. 1 is a schematic cross-sectional view of a window type air conditioner according to an embodiment of the present invention;
fig. 2 is a schematic partial structure diagram of an air guiding device according to an embodiment of the present invention;
fig. 3 is a flow chart illustrating a control method of a window type air conditioner according to an embodiment of the present invention;
wherein the arrows shown in fig. 1 indicate the direction of air flow within the bypass duct.
Wherein, the correspondence between the reference numbers and the component names in fig. 1 to 3 is:
the air conditioner comprises an air conditioner main body, a compressor 11, a motor 12, an indoor heat exchanger 131, an indoor fan 132, an outdoor heat exchanger 141, an outdoor fan 142, a bypass air duct 2, a valve 31, an air deflector 32, a driving device 33 and a crank link mechanism 34.
Detailed Description
In order that the above objects, features and advantages of the present invention can be more clearly understood, a more particular description of the invention will be rendered by reference to the appended drawings. It should be noted that the embodiments and features of the embodiments of the present application may be combined with each other without conflict.
In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, however, the present invention may be practiced in other ways than those specifically described herein, and therefore the scope of the present invention is not limited by the specific embodiments disclosed below.
A window type air conditioner according to some embodiments of the present invention will be described with reference to fig. 1 and 2.
As shown in fig. 1, an embodiment of the first aspect of the present invention provides a window type air conditioner, including: the air conditioner comprises an air conditioner main body 1, a bypass air channel 2 and an air guide device, wherein an air inlet of the bypass air channel 2 is communicated with an indoor side air channel outlet of the air conditioner main body 1, and an air outlet of the bypass air channel 2 faces to the upper part of a compressor 11 of the air conditioner main body 1; the air guide device is arranged in the bypass air duct 2 and is used for controlling the air quantity flowing through the bypass air duct 2.
As shown in fig. 1, it can be understood by those skilled in the art that the air conditioner main body 1 includes a compressor 11, a throttling element (not shown), an indoor side air duct and an indoor side heat exchanger 131 inside the indoor side air duct, an outdoor side air duct and an outdoor side heat exchanger 141 inside the outdoor side air duct, and an indoor side fan blade 132 and an outdoor side fan blade 142 driven by the same motor 12, wherein the compressor 11, the indoor side heat exchanger 131, the throttling element and the outdoor side heat exchanger 141 are connected to form a refrigerant circuit, the indoor side fan blade 132 drives air in the indoor side air duct to flow, and the outdoor side fan blade 142 drives air in the outdoor side air duct to flow.
In the window type air conditioner provided by the embodiment of the first aspect of the invention, the bypass air duct 2 is arranged at the outlet of the indoor air duct of the air conditioner main body 1, when a product runs under a high-temperature refrigeration working condition, cold air flowing through the outlet of the indoor air duct can be guided to the upper part of the compressor 11 of the air conditioner main body 1 through the bypass air duct 2, so that the temperature of the high-pressure side of the compressor 11 is reduced, the pressure of the whole refrigerant loop system is reduced to a certain extent, the problems that the compressor 11 is jumped or damaged and the like due to the rise of the pressure of the refrigerant loop system under the condition of overhigh ambient temperature are avoided, and the running reliability of the window type air conditioner is improved; and the bearing capacity of the product to the outdoor environment temperature is improved to a certain extent, so that the application occasions of the product are widened, and the product can meet the use requirements of consumers.
In addition, an air guide device is arranged in the bypass air duct, so that the air quantity of the bypass air duct 2 can be conveniently adjusted according to parameters such as ambient temperature and the like related to the system pressure, and the working efficiency of the product is improved on the premise of ensuring the normal operation of the product.
In the above technical solution, the window type air conditioner further includes: a first detection element (not shown in the figure) and a control device (not shown in the figure), specifically, the first detection element is used for detecting the outdoor ambient temperature and sending a first detection signal; the control device is connected with the first detection element, and receives and controls the on-off of the bypass air channel according to the first detection signal.
In the embodiment, the first detection element is arranged to enable the product to automatically detect the outdoor environment temperature, and when the outdoor environment temperature exceeds the highest environment temperature corresponding to the good working state of the compressor 11, the bypass air channel 2 is automatically communicated through the control device so as to utilize the cold energy generated by refrigeration to cool the high-pressure side of the compressor 11, thereby avoiding the problems that the pressure of a refrigerant loop system is increased due to overhigh environment temperature, and the compressor 11 is finally stopped or damaged, improving the use reliability of the product, and widening the application occasions of the product; when the outdoor environment temperature is lower than or equal to the highest environment temperature corresponding to the good working state of the compressor 11, the bypass air channel 2 is disconnected by the control device to reduce the loss of indoor cold quantity, so that the working efficiency of the product is improved; the design makes the product more intelligent, thereby making the use of the product more convenient.
In any of the above technical solutions, the window type air conditioner further includes: a second detection element (not shown in the figure), specifically, which detects the surface temperature of the upper portion of the compressor 11 and sends a second detection signal; the control device is connected with the second detection element and can receive and adjust the opening value of the air guide device according to the second detection signal.
In the embodiment, in view of the difference of the rotating speed of the product during operation, the opening degree value of the air guide device is controlled according to the surface temperature of the upper part of the compressor 11, so that the loss of indoor cold quantity is reduced to the maximum extent on the premise of ensuring the normal operation of the product; specifically, the second detection element is arranged to enable the product to automatically detect the surface temperature of the high-pressure side of the compressor 11, and when the surface temperature exceeds the highest surface temperature corresponding to the normal working state which can be automatically maintained by the compressor 11, the control device automatically increases the opening degree value of the air guide device so as to improve the cooling efficiency of the cold energy on the high-pressure side of the compressor 11, thereby further improving the use reliability of the product; when the surface temperature is lower than or equal to the highest surface temperature corresponding to the normal working state of the compressor 11, the control device adjusts the opening degree value of the air guide device back to the preset opening degree value in the normal state, so that the loss of indoor cold quantity is further reduced, and the working efficiency of the product is improved.
In any of the above solutions, as shown in fig. 1, the control device is connected to the motor 12 of the air conditioner main body 1, and the control device controls the operation parameters of the motor according to the first detection signal.
In this embodiment, the structure is arranged to increase the rotation speed of the motor 12 by the control device in case of an excessive ambient temperature, so as to increase the heat exchange efficiency of the outdoor side heat exchanger 141, thereby further reducing the system pressure; for the problem of efficiency improvement of the indoor heat exchanger 131 caused by the increase of the rotating speed of the motor 12, the scheme can coordinate the adjustment process of the opening value of the air guide device, compensate the pressure of the raised refrigerant loop system in a mode of cooling the high-pressure side of the compressor 11, and finally achieve the purpose of reducing the pressure of the whole refrigerant loop system.
In any of the above technical solutions, as shown in fig. 1 and 2, the air guide device includes: air deflectors 32 and valves 31.
Specifically, the air deflector 32 is disposed in the bypass air duct 2 near the air outlet thereof, and is used for adjusting the opening degree of the bypass air duct 2, further, as shown in fig. 2, the air deflector further includes a driving device 33 and a transmission device, preferably, the driving device is a motor, the transmission device is a crank link mechanism, and the output shaft of the motor rotates to drive the air deflector to swing within a range of 0 to 90 degrees, so as to adjust the opening degree; the valve 31 is arranged between the air inlet of the bypass air duct 2 and the air deflector 32, and is used for controlling the on-off of the bypass air duct 2.
In this embodiment, the control device adjusts the air volume in the bypass air duct 2 by adjusting the opening angle of the air deflector 32, that is, the adjustment of the opening value is realized, on the basis, the present scheme controls the on-off of the bypass air duct 2 by setting the valve and makes the valve located between the air inlet of the bypass air duct 2 and the air deflector 32, on one hand, the valve 31 can be used to cut off the bypass air duct 2 under the non-refrigeration working condition, so as to avoid the dissipation of indoor air energy from the bypass air duct 2, and ensure the working efficiency of the product, on the other hand, the wind resistance of the air deflector 32 under the non-refrigeration working condition can be reduced, and thus the control accuracy of the opening angle of the air deflector 32 in the long-term use process of the.
A control method of a window type air conditioner according to some embodiments of the present invention will be described with reference to fig. 3.
As shown in fig. 3, a method for controlling a window type air conditioner according to an embodiment of the present invention includes:
step 100, a first detection element detects outdoor ambient temperature t;
step 200, the control device judges whether t is greater than a preset ambient temperature ts;
if the detected ambient temperature is greater than ts, go to step 310 and step 321;
if the detected ambient temperature is less than or equal to ts, returning to step 100;
in step 310, the control device increases the operation speed of the motor from the initial operation speed N0 to a preset speed Ns, wherein Ns is greater than N0;
in step 321, the control device controls the valve to open;
step 322, the control device judges a preset temperature interval [ T1, T3] where T is located, and obtains a preset opening value alpha 2 corresponding to [ T1, T3] and a preset surface temperature T2 corresponding to [ T1, T3], wherein the preset temperature interval [ T1, T3] is a subset of a temperature range larger than ts;
step 323, controlling the opening degree value of the air deflector to be alpha 2 by the control device;
step 324, the second detecting element detects the surface temperature T of the upper portion of the compressor, the timing device starts timing, and when the timing reaches a preset duration, the second detecting element executes step 324 again;
if T is greater than T2, go to step 326;
if T is less than or equal to T2, returning to step 323 from the current state of the air deflector;
in step 326, the opening degree of the air deflector is controlled to be α 2+ the compensation value n.
In addition, in any of the above steps, the step 400 may be forcibly entered by user setting or timing device setting to obtain a shutdown command;
and 500, sequentially closing the valve and the air guide plate according to a shutdown instruction.
In the control method of the window type air conditioner provided by the embodiment of the second aspect of the present invention, the bypass air duct 2 guides the cold air flowing through the outlet of the indoor side air duct to the upper part of the compressor 11 of the air conditioner main body 1, and the opening value of the air deflector 32 in the bypass air duct 2 is adjusted according to the surface temperature of the upper part of the compressor 11, so that the surface temperature of the upper part of the compressor 11 can be maintained below the highest surface temperature corresponding to the normal operation of the compressor 11, thereby avoiding the occurrence of the problems of jump stop of the compressor 11 and the like, and improving the use reliability of the product.
In summary, according to the window air conditioner provided by the invention, the bypass air duct is arranged at the outlet of the indoor air duct of the air conditioner main body, when a product operates under a high-temperature refrigeration working condition, cold air flowing through the outlet of the indoor air duct can be guided to the upper part of the compressor of the air conditioner main body through the bypass air duct, so that the temperature of the high-pressure side of the compressor is reduced, the pressure of the whole refrigerant loop system is reduced to a certain extent, the problems of compressor jump stop or damage and the like caused by the pressure rise of the refrigerant loop system under the condition of overhigh ambient temperature are avoided, and the operation reliability of the window air conditioner system is improved; and the bearing capacity of the product to the outdoor environment temperature is improved to a certain extent, so that the application occasions of the product are widened, and the product can meet the use requirements of consumers.
In the present invention, the terms "first", "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance; the term "plurality" means two or more unless expressly limited otherwise. The terms "mounted," "connected," "fixed," and the like are to be construed broadly, and for example, "connected" may be a fixed connection, a removable connection, or an integral connection; "coupled" may be direct or indirect through an intermediary. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
In the description herein, the description of the terms "one embodiment," "some embodiments," "specific embodiments," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (9)
1. A window type air conditioner, comprising:
an air conditioner main body;
an air inlet of the bypass air duct is communicated with an indoor side air duct outlet of the air conditioner main body, and an air outlet of the bypass air duct faces to the upper part of a compressor of the air conditioner main body so as to reduce the temperature of the high-pressure side of the compressor;
the air guide device is arranged in the bypass air channel and used for controlling the air quantity flowing through the bypass air channel, and the air guide device comprises an air deflector;
a second detection element for detecting the surface temperature of the upper part of the compressor and sending a second detection signal;
the control device is connected with the second detection element, and receives and adjusts the opening value of the air guide device according to the second detection signal;
if the detected surface temperature is not greater than the preset surface temperature, the opening degree value of the air deflector is controlled to be the preset opening degree value, and if the detected surface temperature is greater than the preset surface temperature, the opening degree value of the air deflector is controlled to be the preset opening degree value plus a compensation value.
2. The window air conditioner as set forth in claim 1, further comprising:
a first detection element that detects an outdoor ambient temperature and transmits a first detection signal;
the control device is connected with the first detection element, and the control device receives and controls the on-off of the bypass air channel according to the first detection signal.
3. The window air conditioner as set forth in claim 2,
the control device is connected with a motor of the air conditioner main body, and the control device controls the operation parameters of the motor according to the first detection signal.
4. The window type air conditioner as claimed in any one of claims 1 to 3,
the air deflector is arranged in the bypass air duct and is used for adjusting the opening value of the bypass air duct; and
the air guiding device further comprises a valve, wherein the valve is arranged between an air inlet of the bypass air channel and the air deflector and is used for controlling the on-off of the bypass air channel.
5. A control method of a window type air conditioner for controlling the window type air conditioner as claimed in any one of claims 1 to 4, the control method of the window type air conditioner comprising:
detecting a surface temperature of an upper portion of the compressor;
adjusting the opening value of an air deflector of the air guide device according to the detected surface temperature so as to guide cold air flowing from an indoor side air duct outlet to the upper part of a compressor of the air conditioner main body and reduce the temperature of the high pressure side of the compressor;
the adjusting the opening degree value of the air deflector of the air guide device according to the detected surface temperature comprises the following steps: if the detected surface temperature is not greater than the preset surface temperature, controlling the opening degree value of the air deflector to be the preset opening degree value; and if the detected surface temperature is higher than the preset surface temperature, controlling the opening value of the air deflector to be a preset opening value plus a compensation value.
6. The control method of a window type air conditioner according to claim 5,
starting timing when the surface temperature of the upper part of the compressor is detected;
and when the timing reaches the preset time length, re-detecting the surface temperature and re-timing.
7. The control method of a window type air conditioner according to claim 5, wherein the outdoor ambient temperature is sensed before the surface temperature of the upper portion of the compressor is sensed;
judging whether the detected ambient temperature is greater than a preset ambient temperature;
if the detected ambient temperature is greater than the preset ambient temperature, the running rotating speed of a motor of the air conditioner main body is increased to a preset rotating speed, and the bypass air channel is controlled to be communicated according to the detected ambient temperature.
8. The control method for a window type air conditioner according to claim 7, wherein the controlling the bypass duct to communicate according to the detected ambient temperature includes:
opening a valve of the air guide device;
judging a preset temperature interval where the detected environment temperature is located, and acquiring the preset opening value and the preset surface temperature corresponding to the preset temperature interval;
and controlling the opening degree value of the air deflector to be the preset opening degree value.
9. The control method of a window type air conditioner as claimed in any one of claims 5 to 8, further comprising:
obtaining a shutdown instruction;
and closing the valve and the air guide plate of the air guide device in sequence according to the shutdown instruction.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510795003.3A CN106705249B (en) | 2015-11-17 | 2015-11-17 | Window type air conditioner and control method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510795003.3A CN106705249B (en) | 2015-11-17 | 2015-11-17 | Window type air conditioner and control method thereof |
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| CN106705249A CN106705249A (en) | 2017-05-24 |
| CN106705249B true CN106705249B (en) | 2021-06-18 |
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| CN115095919B (en) * | 2022-06-21 | 2023-10-20 | 宁波奥克斯电气股份有限公司 | Fixed-frequency mobile air conditioner and energy saving method and energy saving device thereof |
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| CN2811873Y (en) * | 2005-07-08 | 2006-08-30 | 河南新飞电器有限公司 | Heat radiator for air conditioner compressor |
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| CN2172425Y (en) * | 1993-09-09 | 1994-07-20 | 朱海岩 | Dual-purpose device for air conditioner and hot water supply |
| CN1226660A (en) * | 1998-02-19 | 1999-08-25 | 三星电子株式会社 | Fan casing of window type air conditioner |
| KR100556947B1 (en) * | 2003-10-23 | 2006-03-03 | 엘지전자 주식회사 | Window type air-conditioner and centrifugal fan apply to this |
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| CN106705249A (en) | 2017-05-24 |
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