CN110470001A - The control method and air conditioner of air conditioner without shutting defrosting - Google Patents
The control method and air conditioner of air conditioner without shutting defrosting Download PDFInfo
- Publication number
- CN110470001A CN110470001A CN201910693884.6A CN201910693884A CN110470001A CN 110470001 A CN110470001 A CN 110470001A CN 201910693884 A CN201910693884 A CN 201910693884A CN 110470001 A CN110470001 A CN 110470001A
- Authority
- CN
- China
- Prior art keywords
- reference value
- defrosting
- temperature
- defrosting temperature
- air conditioner
- 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.)
- Granted
Links
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
- F24F11/30—Control or safety arrangements for purposes related to the operation of the system, e.g. for safety or monitoring
- F24F11/41—Defrosting; Preventing freezing
- F24F11/42—Defrosting; Preventing freezing of outdoor units
-
- 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
- F24F11/50—Control or safety arrangements characterised by user interfaces or communication
- F24F11/61—Control or safety arrangements characterised by user interfaces or communication using timers
-
- 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
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B47/00—Arrangements for preventing or removing deposits or corrosion, not provided for in another subclass
- F25B47/02—Defrosting cycles
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
- F25D21/00—Defrosting; Preventing frosting; Removing condensed or defrost water
- F25D21/06—Removing frost
- F25D21/08—Removing frost by electric heating
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F2140/00—Control inputs relating to system states
- F24F2140/20—Heat-exchange fluid temperature
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B2347/00—Details for preventing or removing deposits or corrosion
- F25B2347/02—Details of defrosting cycles
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B2500/00—Problems to be solved
- F25B2500/31—Low ambient temperatures
Abstract
The present invention relates to air-conditioning technical fields; disclose the control method and air conditioner of a kind of air conditioner without shutting defrosting; include: step S1, the first defrosting temperature reference value, the second defrosting temperature reference value and third defrosting temperature reference value of defrosting temperature sensor is set separately；First time reference value, the second temporal reference value and third temporal reference value that outdoor unit continuously accumulates operation is set separately in step S2；The preset temperature for the temperature sensor that defrosts is set as the first defrosting temperature reference value in the range of first time reference value is to the second temporal reference value by step S3, confirmation；Step S4, in the range of first time reference value is to the second temporal reference value, the actual temperature for the temperature sensor that defrosts starts heating element with the inner coil pipe to outdoor unit and carries out heating defrost less than the first defrosting temperature reference value for confirmation.The control method has the operational mode without switching air conditioner, the advantages of can also be defrosted when air conditioner is in heating mode.
Description
Technical field
The present invention relates to air-conditioning technical fields, more particularly to the control method and air-conditioning of a kind of defrosting of air conditioner without shutting
Device.
Background technique
Currently, air conditioner, during being heated, four-way valve is in the state opened, outdoor heat exchanger is evaporation
Device, indoor heat exchanger are condenser, since the temperature of evaporator is lower, along with outdoor environment temperature is subzero operating condition,
There is the phenomenon that vapor or liquid water around outdoor heat exchanger will appear frosting as a result, after frosting, if frosting is seriously not
It can timely and effectively defrost, it will severely impact the heat exchange property of outdoor unit, that is, outdoor unit can not normally exchange heat, and finally lead
The heating capacity decline of indoor unit is caused, to influence the heating effect of air conditioner, user is not felt by hot wind indoors, reduces and uses
The experience at family.
For existing defrosting control method usually after judging outdoor heat exchanger frosting, air conditioner can be from current heating mode
Refrigeration mode is switched to, allows the refrigerant heat release defrost for flowing through outdoor heat exchanger, but in this process, since indoor unit can not carry out
Heating, that is, indoor unit is equivalent in the state shut down, and indoor temperature will reduce as a result, and user can not experience heat
Wind, so that the experience sense of user is bad, the comfort that reduces user indoors.
Summary of the invention
(1) technical problems to be solved
The object of the present invention is to provide the control methods and air conditioner of a kind of defrosting of air conditioner without shutting, to solve existing skill
Air conditioner often will be switched to refrigeration mode by current heating mode in defrosting by the Defrost method of the air conditioner in art,
The refrigerant heat release defrost for flowing through outdoor heat exchanger is allowed, at this point, indoor unit, which can not heat, is equivalent to the mode in shutting down, as a result,
The technical issues of comfort level and experience sense of user indoors will be reduced.
(2) technical solution
In order to solve the above-mentioned technical problem, according to the first aspect of the invention, a kind of defrosting of air conditioner without shutting is provided
Control method, the air conditioner includes indoor unit and the outdoor unit that is connected with the indoor unit, in the inside of the outdoor unit
It is respectively equipped with inner coil pipe and the heating element for being heated to the inner coil pipe, defrosting temperature is equipped on the inner coil pipe
Sensor, comprising: the first defrosting temperature reference value, the second defrosting temperature ginseng of defrosting temperature sensor is set separately in step S1
Examine value and third defrosting temperature reference value；Step S2, be set separately outdoor unit continuously accumulate operation first time reference value,
Second temporal reference value and third temporal reference value；Step S3 confirms in first time reference value to the second temporal reference value
In the range of, the preset temperature of the defrosting temperature sensor is set as the first defrosting temperature reference value；Step S4, confirmation exist
In the range of first time reference value to the second temporal reference value, the actual temperature of the defrosting temperature sensor is less than described the
One defrosting temperature reference value, starts the heating element with the inner coil pipe to the outdoor unit and carries out heating defrost.
Wherein, the method also includes: confirmation is in the range of the second temporal reference value is to third temporal reference value, by institute
The preset temperature for stating defrosting temperature sensor is set as the second defrosting temperature reference value.
Wherein, the method also includes: confirmation after third temporal reference value, by it is described defrosting temperature sensor it is pre-
If temperature is set as third defrosting temperature reference value.
Wherein, after step s4, the method also includes step S5, confirmation is when second temporal reference value is to third
Between in the range of reference value, the actual temperature of the defrosting temperature sensor is less than the second defrosting temperature reference value, starting
The heating element carries out heating defrost with the inner coil pipe to the outdoor unit.
Wherein, after step s 5, the method also includes step S6, confirm after the third temporal reference value, described
The actual temperature of defrosting temperature sensor is less than third defrosting temperature reference value, starts the heating element to the room
The inner coil pipe of outer machine carries out heating defrost.
Wherein, after step S4, step S5 or step S6, the method also includes: confirm the defrosting temperature sensing
The actual temperature of device, which is greater than defrosting, terminates preset temperature, and heating element stops working, wherein it is big that the defrosting terminates preset temperature
In third defrosting temperature reference value.
Wherein, after step S4, step S5 or step S6, the method also includes: confirm the defrosting temperature sensing
The practical defrosting Cumulative Elapsed Time of device, which is greater than defrosting, terminates preset time, and heating element stops working, wherein the defrosting knot
Beam preset time is greater than the third temporal reference value.
Wherein, the method also includes: confirmation it is described defrosting temperature sensor actual temperature be less than it is described first defrosting
It is default that the time of temperature reference value, the second defrosting temperature reference value or third defrosting temperature reference value is continuously first
After time, restart the heating element.
Wherein, when starting the method also includes: the heating element, to defrosting temperature sensor progress temperature benefit
It repays.
Wherein, the method also includes: after carrying out temperature-compensating to the defrosting temperature sensor, confirm that the defrosting is warm
The actual temperature for spending sensor is less than the first defrosting temperature reference value, the second defrosting temperature reference value or the third
After the time of defrosting temperature reference value is continuously the second preset time, the air conditioner is switched to system by current heating mode
Cold mode, wherein second preset time is greater than first preset time.
According to a second aspect of the present application, a kind of air conditioner is also provided, including indoor unit and is connected with the indoor unit
Outdoor unit, be respectively equipped with inner coil pipe in the inside of the outdoor unit and the heating part for being heated to the inner coil pipe
Part is equipped with defrosting temperature sensor on the inner coil pipe, and the air conditioner further includes processor, and the processor is for executing
The control method of air conditioner without shutting defrosting described above.
According to the third aspect of the application, a kind of computer readable storage medium, the computer-readable storage are also provided
The control program of air conditioner is stored on medium, the control program of the air conditioner is realized described above when being executed by processor
The control method of air conditioner without shutting defrosting.
(3) beneficial effect
The control method of air conditioner without shutting defrosting provided by the invention has the advantages that compared with prior art
When air conditioner is in heating mode, once there is a phenomenon where frostings for the inner coil pipe of outdoor unit, then in order to ensure room
Outer machine is able to carry out normal heat exchange, it is necessary to it defrosts to the inner coil pipe of outdoor unit, meanwhile, in order to ensure air conditioner can
It defrosts while heating, then by confirmation in first time reference value tst1 to the range of the second temporal reference value tst2
Interior, the actual temperature Tcs of the defrosting temperature sensor is less than first defrosting temperature reference value Tst1, it is necessary to start the heating
Component carries out heating defrost with the inner coil pipe to the outdoor unit.As it can be seen that the control method that the air conditioner without shutting of the application defrosts,
On the one hand it can achieve the purpose for carrying out preferably defrost to the inner coil pipe of outdoor unit and on the other hand also efficiently avoid four
Port valve commutation, avoids air conditioner running mode switching, so that air conditioner during being defrosted, can still be kept original
Heating mode continue to run, as a result, indoor unit still can to interior constantly blow hot wind, in this way, just effectively guaranteeing
The experience sense of user, avoids causing room temperature to decline without hot wind because of interior, to reduce the comfort level of user.
Detailed description of the invention
Fig. 1 is the step flow chart for the control method that the air conditioner without shutting of embodiments herein defrosts；
Fig. 2 is the defrosting logical schematic of the air conditioner of embodiments herein.
Specific embodiment
With reference to the accompanying drawings and examples, specific embodiments of the present invention will be described in further detail.Following instance
For illustrating the present invention, but it is not intended to limit the scope of the invention.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " installation ", " phase
Even ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or be integrally connected；It can
To be mechanical connection, it is also possible to be electrically connected；It can be directly connected, can also can be indirectly connected through an intermediary
Connection inside two elements.For the ordinary skill in the art, above-mentioned term can be understood at this with concrete condition
Concrete meaning in invention.
The specific structure of air conditioner mentioned in the control method of the air conditioner without shutting defrosting of the application are as follows: the air-conditioning
Device includes indoor unit (not shown) and the outdoor unit (not shown) being connected with the indoor unit, in the outdoor unit
Portion is respectively equipped with inner coil pipe (not shown) and the heating element (not shown) for being heated to the inner coil pipe, In
The inner coil pipe is equipped with defrosting temperature sensor (not shown).Wherein, when there is a phenomenon where frostings for the inner coil pipe of outdoor unit
When, for the normal heat exchange for ensuring outdoor unit, meanwhile, avoid air conditioner running mode switching, that is, avoid air conditioner by current system
Heat pattern is switched to refrigeration mode, then can add heating element by the inside in outdoor unit, by starting the heating element,
Heat can be transmitted to the inner coil pipe of outdoor unit, to achieve the purpose that the inner coil pipe to outdoor unit carries out defrost.
It should also be noted that, temperature of the defrosting temperature sensor for the inner coil pipe of real-time detection outdoor unit.
Wherein, which is preferably provided in the outlet port of the inner coil pipe of outdoor unit, the heating element
It is preferably provided on the inner coil pipe of the inside of outdoor unit or is arranged in around the inner coil pipe or is arranged in outdoor unit
The air inlet in portion.
As depicted in figs. 1 and 2, schematically show that the control method of air conditioner without shutting defrosting includes as follows in figure
Step:
The first defrosting temperature reference value Tst1, the second defrosting temperature ginseng of defrosting temperature sensor is set separately in step S1
Examine value Tst2 and third defrosting temperature reference value Tst3.
Step S2 is set separately outdoor unit and continuously accumulates the first time reference value tst1 of operation, the second temporal reference value
Tst2 and third temporal reference value tst3.
Step S3 confirms in the range of first time reference value tst1 to the second temporal reference value tst2, by the defrosting
The preset temperature of temperature sensor is set as the first defrosting temperature reference value Tst1.
Step S4 confirms defrosting temperature in the range of first time reference value tst1 to the second temporal reference value tst2
The actual temperature Tcs for spending sensor is less than first defrosting temperature reference value Tst1, starts the heating element to the outdoor unit
Inner coil pipe carry out heating defrost.Specifically, when air conditioner is in heating mode, once frosting occurs for the inner coil pipe of outdoor unit
The phenomenon that, then in order to ensure outdoor unit is able to carry out normal heat exchange, it is necessary to defrost to the inner coil pipe of outdoor unit, together
When, in order to ensure air conditioner can defrost while heating, then by confirmation in first time reference value tst1 to the
In the range of two temporal reference value tst2, the actual temperature Tcs of the defrosting temperature sensor is less than the first defrosting temperature reference
Value Tst1, it is necessary to start the heating element with the inner coil pipe to the outdoor unit and carry out heating defrost.As it can be seen that the air-conditioning of the application
Device does not shut down the control method of defrosting, on the one hand can achieve the purpose that preferably defrost is carried out to the inner coil pipe of outdoor unit, separately
On the one hand, four-way valve commutation is also efficiently avoided, air conditioner running mode switching is avoided, so that air conditioner is defrosting
In the process, still original heating mode can be kept to continue to run, indoor unit still can constantly be blowed to interior as a result,
Hot wind avoids causing room temperature to decline without hot wind because of interior, to reduce use in this way, being just effectively guaranteed the experience sense of user
The comfort level at family.
It should be noted that the first defrosting temperature reference value Tst1 is less than the second defrosting temperature reference value Tst2, second is removed
White temperature reference value Tst2 is less than third defrosting temperature reference value Tst3.
First time reference value tst1 is less than the second temporal reference value tst2, when the second temporal reference value tst2 is less than third
Between reference value tst3.
Actual temp value and specific time value for above-mentioned each temporal reference value and each temperature reference value can be with
It is defined according to actual defrosting situation and the specification of actual use air-conditioning, does not do specific restriction herein.
It should be noted that in the range of 0 to first time reference value tst1, due to air conditioner runing time more
It is of short duration, thus, which does not need to defrost.
As shown in Fig. 2, in the preferred embodiment of the application, this method further include: confirmation is joined in the second time
In the range of examining value tst2 to third temporal reference value tst3, the preset temperature for the temperature sensor that defrosts is set as the second defrosting
Temperature reference value Tst2.It should be noted that the present embodiment can be used as the continuous Cumulative Elapsed Time of outdoor unit in the second time
The foundation for judging whether defrosting in the range of reference value tst2 to third temporal reference value tst3.
As shown in Fig. 2, in the preferred embodiment of the application, this method further include: confirmation is joined in the third time
After examining value tst3, the preset temperature of the defrosting temperature sensor is set as third defrosting temperature reference value Tst3.It needs
Bright, it is more than the judgement after third temporal reference value Tst3 that the present embodiment, which can be used as the continuous Cumulative Elapsed Time of outdoor unit,
The foundation whether to defrost.
In the preferred embodiment of the application, after step s4, this method further include: step S5, confirmation exist
In the range of second temporal reference value tst2 to third temporal reference value tst3, the actual temperature Tcs of the defrosting temperature sensor
Less than second defrosting temperature reference value Tst2, starts the heating element with the inner coil pipe to the outdoor unit and carry out heating defrost.
Specifically, when confirmation in the range of the second temporal reference value tst2 to third temporal reference value tst3, the defrosting temperature sensing
The actual temperature Tcs of device is less than second defrosting temperature reference value Tst2, then needs to start heating element, be produced by heating element
Heat amount and the inner coil pipe for transferring heat to outdoor unit carry out heating defrost so as to reach the inner coil pipe to outdoor unit
Purpose.
It should be noted that " confirming in the second temporal reference value tst2 to third time reference mentioned in step S5
In the range of value tst3, the actual temperature Tcs of the defrosting temperature sensor be less than second defrosting temperature reference value Tst2 " this
Step can be used as the qualifications that control heating element is started, as long as meeting above-mentioned condition, then heating element needs
Start and heated, if being unsatisfactory for above-mentioned condition, heating element is at idle state.
In the preferred embodiment of the application, after step s 5, this method further include: step S6, confirmation exist
After third temporal reference value tst3, the actual temperature Tcs of the defrosting temperature sensor is less than third defrosting temperature reference value
Tst3 starts the heating element with the inner coil pipe to the outdoor unit and carries out heating defrost.Specifically, confirmation is in third time reference
After value tst3, the actual temperature Tcs of the defrosting temperature sensor is less than third defrosting temperature reference value Tst3, then just needs
Start the heating element, heat is generated by heating element and transfer heat to the inner coil pipe of outdoor unit, so as to reach
The purpose of heating defrost is carried out to the inner coil pipe of outdoor unit.
It should be noted that " confirming the defrosting temperature after third temporal reference value tst3 mentioned in step S6
The actual temperature Tcs of sensor is less than the step for third defrosting temperature reference value Tst3 ", can be used as control heating element
The qualifications started, as long as meeting above-mentioned condition, then heating element needs to start and heated, if being unsatisfactory for
Condition is stated, then heating element is at idle state.
In the preferred embodiment of the application, after step S4, step S5 or step S6, this method is also wrapped
It includes: confirming that the actual temperature Tcs of the defrosting temperature sensor is greater than defrosting and terminates preset temperature Tref, heating element stops work
Make, wherein the defrosting terminates preset temperature Tref greater than third defrosting temperature reference value Tst3.Specifically, by remove
Frost terminates preset temperature Tref and is greater than third defrosting temperature reference value Tst3, at this point, if confirming the defrosting temperature sensor
Actual temperature Tcs, which is greater than defrosting, terminates preset temperature Tref, then shows that the temperature of current heating element has been above third and removes
White temperature reference value Tst3, at this point, heating element is without continuing to heat, the current temperature of the heating element can expire
Foot carries out the condition of defrost to the inner coil pipe of outdoor unit.
In another preferred embodiment of the application, this method further include: confirm the reality of the defrosting temperature sensor
Border temperature Tcs is less than first defrosting temperature reference value Tst1, the second defrosting temperature reference value Tst2 or third defrosting temperature
After the time of degree reference value Tst3 is continuously the first preset time t ime1, restart the heating element.In this way, by stablizing one
It defrosts to the inner coil pipe of outdoor unit after the section time, so as to be effectively prevented from the repeatedly starting and stopping of defrosting mode, avoids again
The actual temperature Tcs of the defrosting temperature sensor is just below the first defrosting temperature reference value Tst1, the second defrosting temperature ginseng
Value Tst2 or third defrosting temperature reference value Tst3 are examined with regard to carrying out the mode into defrosting at once.When the confirmation defrosting temperature sensing
The actual temperature Tcs of device is less than first defrosting temperature reference value Tst1, the second defrosting temperature reference value Tst2 or the third
After the time of defrosting temperature reference value Tst3 is continuously the first preset time t ime1, restart the heating element, it can be effectively
Ensure that defrosts goes on smoothly, avoid there is a situation where defrosting repeatedly, to achieve the purpose that save energy consumption.
In a specific embodiment, first preset time t ime1 is preferably 30s (second).
In the preferred embodiment of the application, this method further include: when the heating element starts, to defrosting temperature
Sensor carries out temperature-compensating.Specifically, if within the period of above-mentioned first preset time t ime1, confirmation defrosting temperature is passed
The actual temperature Tcs of sensor is still less than in the corresponding period that the first corresponding defrosting temperature reference value Tst1, this second removes
White temperature reference value Tst2 or third defrosting temperature reference value Tst3 then can carry out temperature benefit to defrosting temperature sensor
It repays, that is, be further added by 2 DEG C (degree Celsius) on the basis of the actual temperature Tcs of the current defrosting temperature sensor, such purpose
It is, the actual temperature Tcs of the defrosting temperature sensor is enabled to be higher than the first defrosting temperature ginseng in a short time as soon as possible
Value Tst1, the second defrosting temperature reference value Tst2 or third defrosting temperature reference value Tst3 are examined, the defrosting temperature is avoided to pass
The actual temperature Tcs of sensor can not be higher than the first defrosting temperature reference value Tst1, second defrosting temperature reference value Tst2 always
Or third defrosting temperature reference value Tst3, cause the four-way valve of air conditioner to commutate, so that air conditioner is by current heating mode
It is switched to refrigeration mode, is defrosted.Further, it avoids indoor unit that from can not blowing hot wind, causes the experience sense for reducing user.
As it can be seen that by carrying out temperature-compensating to defrosting temperature sensor, so as to meet under conventional weather, so that air conditioner can be with
Defrosting is not shut down, meanwhile, it also remains in inclement weather, is commutated by four-way valve, so that air conditioner switch operating mould
Formula is in a manner of being defrosted.
It is understood that mentioned " in the actual temperature of the current defrosting temperature sensor in the above-described embodiments
2 DEG C are further added by the basis of Tcs " in " 2 DEG C " be only one for example, to defrosting temperature sensor actual temperature
The compensation of Tcs can be determined according to practical situation, not do specific restriction herein.
It should also be noted that, the beginning condition of temperature-compensating is the actual temperature Tcs for confirming the defrosting temperature sensor
Less than first defrosting temperature reference value Tst1, the second defrosting temperature reference value Tst2 or third defrosting temperature reference value
The time of Tst3 is continuously the first preset time t ime1.
The termination condition of temperature-compensating is that defrost terminates.
In another preferred embodiment of the application, this method further include: temperature is carried out to the defrosting temperature sensor
Degree compensation after, confirm the defrosting temperature sensor actual temperature Tcs be less than this first defrosting temperature reference value Tst1, this second
After the time of defrosting temperature reference value Tst2 or third defrosting temperature reference value Tst3 are continuously the second preset time t ime2,
The air conditioner is switched to refrigeration mode by current heating mode, wherein it is first pre- that the second preset time t ime2 is greater than this
If time time1.Specifically, while air conditioner is in heating mode, it is also necessary to defrost to the inner coil pipe of outdoor unit
When, then it can star heating element and temperature-compensating carried out to defrosting temperature sensor simultaneously, as a result, in the first preset time
In time1 to the second preset time t ime2, the actual temperature of the defrosting temperature sensor is still lower than the first defrosting temperature reference
Value Tst1, the second defrosting temperature reference value Tst2 or third defrosting temperature reference value Tst3, that is, show that heating element is current
Actual temperature be still also not up to perfect condition, then the four-way valve of air conditioner can be made to commutate, and by current heating mould
Formula is switched to refrigeration mode, defrosts.
It should be noted that second preset time t ime2 is preferably 2 minutes.
According to a second aspect of the present application, a kind of air conditioner (not shown) is also provided, including indoor unit and with the room
The outdoor unit that interior machine is connected is respectively equipped with inner coil pipe in the inside of the outdoor unit and adds for what is heated to the inner coil pipe
Thermal part is equipped with defrosting temperature sensor on the inner coil pipe, which further includes processor, and the processor is for executing
State the control method of the air conditioner without shutting defrosting.
Wherein, when the inner coil pipe of outdoor unit is there is a phenomenon where when frosting, for the normal heat exchange for ensuring outdoor unit, meanwhile, it keeps away
Exempt from air conditioner running mode switching, that is, avoid air conditioner from being switched to refrigeration mode by current heating mode, then can by
Heating element is added in the inside of outdoor unit, by starting the heating element, can transmit heat to the inner coil pipe of outdoor unit, from
And achieve the purpose that the inner coil pipe to outdoor unit carries out defrost.
It should also be noted that, temperature of the defrosting temperature sensor for the inner coil pipe of real-time detection outdoor unit.
Wherein, which is preferably provided in the outlet port of the inner coil pipe of outdoor unit, the heating element
It is preferably provided on the inner coil pipe of the inside of outdoor unit or is arranged in around the inner coil pipe or is arranged in outdoor unit
The air inlet in portion.
In a specific embodiment, which can be heater strip, heating net, heater, heating plate or heating
Block etc..
According to the third aspect of the application, a kind of computer readable storage medium is also provided, the computer-readable storage medium
The control program of air conditioner is stored in matter, the control program of the air conditioner realizes air-conditioning described above when being executed by processor
Device does not shut down the control method of defrosting.
In conclusion when air conditioner is in heating mode, once there is a phenomenon where frostings for the inner coil pipe of outdoor unit, then for
Ensure that outdoor unit is able to carry out normal heat exchange, it is necessary to it defrosts to the inner coil pipe of outdoor unit, meanwhile, in order to ensure sky
Adjust device that can defrost while heating, then by confirmation in first time reference value tst1 to the second temporal reference value
In the range of tst2, the actual temperature Tcs of the defrosting temperature sensor is less than first defrosting temperature reference value Tst1, it is necessary to
Start the heating element and heating defrost is carried out with the inner coil pipe to the outdoor unit.As it can be seen that the air conditioner without shutting of the application defrosts
Control method, on the one hand can achieve the purpose that preferably defrost is carried out to the inner coil pipe of outdoor unit, it is on the other hand, also effective
Ground avoids four-way valve commutation, air conditioner running mode switching is avoided, so that air conditioner during being defrosted, still may be used
To keep original heating mode to continue to run, indoor unit still can constantly blow hot wind to interior as a result, in this way, just
It is effectively guaranteed the experience sense of user, avoids causing room temperature to decline without hot wind because of interior, to reduce the comfort level of user.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all in essence of the invention
Within mind and principle, any modification, equivalent replacement, improvement and so on be should all be included in the protection scope of the present invention.
Claims (12)
1. a kind of control method of air conditioner without shutting defrosting, the air conditioner include indoor unit and are connected with the indoor unit
Outdoor unit, be respectively equipped with inner coil pipe in the inside of the outdoor unit and the heating part for being heated to the inner coil pipe
Part is equipped with defrosting temperature sensor on the inner coil pipe characterized by comprising
Step S1, be set separately defrosting temperature sensor first defrosting temperature reference value, second defrosting temperature reference value and
Third defrosting temperature reference value；
First time reference value, the second temporal reference value and third that outdoor unit continuously accumulates operation is set separately in step S2
Temporal reference value；
Step S3, confirmation is in the range of first time reference value is to the second temporal reference value, by the defrosting temperature sensor
Preset temperature be set as the first defrosting temperature reference value；
Step S4, confirmation in the range of first time reference value is to the second temporal reference value, the defrosting temperature sensor
Actual temperature is less than the first defrosting temperature reference value, starts the heating element and is carried out with the inner coil pipe to the outdoor unit
Heat defrost.
2. the method according to claim 1, wherein the method also includes:
Confirmation the second temporal reference value arrive third temporal reference value in the range of, by it is described defrost temperature sensor default temperature
Degree is set as the second defrosting temperature reference value.
3. according to the method described in claim 2, it is characterized in that, the method also includes:
Confirmation is set as third defrosting temperature after third temporal reference value, by the preset temperature of the defrosting temperature sensor
Reference value.
4. according to the method described in claim 3, it is characterized in that, after step s4, the method also includes: step S5,
Confirmation the second temporal reference value arrive third temporal reference value in the range of, it is described defrost temperature sensor actual temperature be less than
The second defrosting temperature reference value, starts the heating element with the inner coil pipe to the outdoor unit and carries out heating defrost.
5. according to the method described in claim 4, it is characterized in that, after step s 5, the method also includes: step S6,
After third temporal reference value, the actual temperature of the defrosting temperature sensor is less than third defrosting temperature reference for confirmation
Value, starts the heating element with the inner coil pipe to the outdoor unit and carries out heating defrost.
6. according to the method described in claim 5, it is characterized in that, after step S4, step S5 or step S6, the method
Further include: the actual temperature of the confirmation defrosting temperature sensor, which is greater than defrosting, terminates preset temperature, and heating element stops working,
Wherein, the defrosting terminates preset temperature greater than third defrosting temperature reference value.
7. according to the method described in claim 5, it is characterized in that, after step S4, step S5 or step S6, the method
Further include: the practical defrosting Cumulative Elapsed Time of the confirmation defrosting temperature sensor, which is greater than defrosting, terminates preset time, heating
Component stops working, wherein the defrosting terminates preset time and is greater than the third temporal reference value.
8. the method according to the description of claim 7 is characterized in that the method also includes: confirm the defrosting temperature sensing
The actual temperature of device is less than the first defrosting temperature reference value, the second defrosting temperature reference value or third defrosting temperature
After the time of degree reference value is continuously the first preset time, restart the heating element.
9. according to the method described in claim 8, it is characterized in that, the method also includes:
When the heating element starts, temperature-compensating is carried out to the defrosting temperature sensor.
10. according to the method described in claim 9, it is characterized in that, the method also includes: to the defrosting temperature sensor
After carrying out temperature-compensating, confirm that the actual temperature of the defrosting temperature sensor is less than the first defrosting temperature reference value, institute
State the second defrosting temperature reference value or third defrosting temperature reference value time be continuously the second preset time after, will be described
Air conditioner is switched to refrigeration mode by current heating mode, wherein when second preset time is default greater than described first
Between.
11. a kind of air conditioner, including indoor unit and the outdoor unit being connected with the indoor unit, which is characterized in that in the room
The inside of outer machine is respectively equipped with inner coil pipe and the heating element for being heated to the inner coil pipe, sets on the inner coil pipe
There is defrosting temperature sensor, the air conditioner further includes processor, and the processor is for executing in the claims 1 to 10
The control method of described in any item air conditioner without shutting defrostings.
12. a kind of computer readable storage medium, which is characterized in that be stored with air conditioner on the computer readable storage medium
Control program, any one of the claims 1 to 10 institute is realized when the control program of the air conditioner is executed by processor
The control method for the air conditioner without shutting defrosting stated.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910693884.6A CN110470001B (en) | 2019-07-30 | 2019-07-30 | Control method for defrosting of air conditioner without stopping and air conditioner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910693884.6A CN110470001B (en) | 2019-07-30 | 2019-07-30 | Control method for defrosting of air conditioner without stopping and air conditioner |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110470001A true CN110470001A (en) | 2019-11-19 |
| CN110470001B CN110470001B (en) | 2021-10-29 |
Family
ID=68509975
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910693884.6A Active CN110470001B (en) | 2019-07-30 | 2019-07-30 | Control method for defrosting of air conditioner without stopping and air conditioner |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110470001B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114061032A (en) * | 2021-10-28 | 2022-02-18 | 青岛海尔空调器有限总公司 | Air conditioner defrosting control method and device and air conditioner |
| CN114061031A (en) * | 2021-10-28 | 2022-02-18 | 青岛海尔空调器有限总公司 | Air conditioner defrosting control method and device and air conditioner |
| WO2022257523A1 (en) * | 2021-06-07 | 2022-12-15 | 青岛海尔空调器有限总公司 | Method and apparatus for controlling air conditioner, and device |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1222662A (en) * | 1997-12-18 | 1999-07-14 | 富士通将军股份有限公司 | Air conditioner control method and apparatus of same |
| CN102331119A (en) * | 2011-08-04 | 2012-01-25 | 广东美的电器股份有限公司 | Air conditioner and defrosting control method thereof |
| CN105004000A (en) * | 2015-06-29 | 2015-10-28 | 宁波奥克斯电气有限公司 | Defrosting control method in heating operation of variable frequency air conditioner |
| CN106461253A (en) * | 2014-04-22 | 2017-02-22 | 江森自控日立空调技术（香港）有限公司 | Air conditioner and defrosting operation method therefor |
| CN106705303A (en) * | 2017-01-10 | 2017-05-24 | 美的集团武汉制冷设备有限公司 | Defrosting control method and system and air conditioner |
-
2019
- 2019-07-30 CN CN201910693884.6A patent/CN110470001B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1222662A (en) * | 1997-12-18 | 1999-07-14 | 富士通将军股份有限公司 | Air conditioner control method and apparatus of same |
| CN102331119A (en) * | 2011-08-04 | 2012-01-25 | 广东美的电器股份有限公司 | Air conditioner and defrosting control method thereof |
| CN106461253A (en) * | 2014-04-22 | 2017-02-22 | 江森自控日立空调技术（香港）有限公司 | Air conditioner and defrosting operation method therefor |
| CN105004000A (en) * | 2015-06-29 | 2015-10-28 | 宁波奥克斯电气有限公司 | Defrosting control method in heating operation of variable frequency air conditioner |
| CN106705303A (en) * | 2017-01-10 | 2017-05-24 | 美的集团武汉制冷设备有限公司 | Defrosting control method and system and air conditioner |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022257523A1 (en) * | 2021-06-07 | 2022-12-15 | 青岛海尔空调器有限总公司 | Method and apparatus for controlling air conditioner, and device |
| CN114061032A (en) * | 2021-10-28 | 2022-02-18 | 青岛海尔空调器有限总公司 | Air conditioner defrosting control method and device and air conditioner |
| CN114061031A (en) * | 2021-10-28 | 2022-02-18 | 青岛海尔空调器有限总公司 | Air conditioner defrosting control method and device and air conditioner |
Also Published As
| Publication number | Publication date |
|---|---|
| CN110470001B (en) | 2021-10-29 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106556106B (en) | Control method and device for self-cleaning of indoor unit of air conditioner | |
| US10969134B2 (en) | Air conditioner and method for self-cleaning air conditioner heat exchanger | |
| WO2020248414A1 (en) | Multi-split air conditioner and method for controlling self-cleaning of same | |
| CN107166639B (en) | Air conditioner defrosting control method and control device and air conditioner | |
| CN110736187B (en) | Self-cleaning control method and device for air conditioner | |
| CN107525221A (en) | A kind of self-cleaning control method and device of air-conditioning | |
| EP2330359A1 (en) | Air conditioner | |
| CN109869954B (en) | Air source heat pump water heater and defrosting method thereof | |
| CN110470001A (en) | The control method and air conditioner of air conditioner without shutting defrosting | |
| CN108072188A (en) | Air-conditioning device and its control method | |
| CN104990321A (en) | Air conditioner and defrosting method thereof | |
| CN106152641B (en) | Air-conditioning refrigerator accurately defrosts intelligent control method and system | |
| CN108072214A (en) | Air-conditioning device and its control method | |
| WO2012032681A1 (en) | Air conditioner | |
| CN112797593A (en) | Self-cleaning control method and single-cooling type air conditioner | |
| CN108954677B (en) | Defrosting control method and system of multi-split air conditioning system and storage medium | |
| CN111442473A (en) | Control method of air conditioner | |
| CN109631234A (en) | A kind of air-conditioner outdoor unit heating defrosting control method and system | |
| CN108413560B (en) | Self-cleaning system of air conditioner indoor unit and control method thereof | |
| CN114216231A (en) | Control method of air conditioner and air conditioner | |
| CN111322784A (en) | Air conditioning unit capable of continuously heating and control method thereof | |
| CN204787419U (en) | Air conditioner | |
| CN211876411U (en) | Air conditioning unit capable of continuously heating | |
| JPH11257718A (en) | Method of controlling air conditioner | |
| CN110836466B (en) | Defrosting control method for fixed-frequency air conditioner |
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 | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |