CN107940665A - A kind of intelligent control method of air-conditioning temperature control heating - Google Patents
A kind of intelligent control method of air-conditioning temperature control heating Download PDFInfo
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- CN107940665A CN107940665A CN201711107478.4A CN201711107478A CN107940665A CN 107940665 A CN107940665 A CN 107940665A CN 201711107478 A CN201711107478 A CN 201711107478A CN 107940665 A CN107940665 A CN 107940665A
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Abstract
A kind of intelligent control method of air-conditioning temperature control heating provided by the invention, including：When detecting that environment temperature Th is less than default first temperature and condensation side output water temperature Tc≤default design temperature Ts and subtracts default second temperature, into next step；Whether current size reaches setting value in detection air-conditioning system, if so, first order heating is then opened, if it is not, being then not turned on heating；Detect that the unit of air-conditioning because disorderly closedown and the first order are heated when having turned on, opens second level heating.The present invention is by setting level-one heating and two level to control heating process with heating high efficiency smart, so that water temperature will not acute variation, level-one computer heating control simultaneously adjusts water temperature and is maintained in normal range (NR), two level heating can accelerate heating process so that air-conditioning remains to work normally in the case of very cold, heated using level-one and be carried out at the same time when freezing degree is high using level-one heating and two level heating under normal circumstances, resource can be saved, more intelligently carries out temperature control.
Description
Technical field
The present invention relates to air-conditioning technical field, more particularly to a kind of intelligent control method of air-conditioning temperature control heating.
Background technology
Air-conditioning such as easily occurs freezing in the winter time the freezing phenomena at present, and because the reason for winter is cold, air-conditioning can be subject to
Different degrees of influence.Such as some following problem：
1. in terms of heating capacity and efficiency：The nominal minimum temperature of most of operation of air conditioner on current market be at -12 DEG C,
When environment temperature (Th) continues toward when declining, the ability efficiency of air-conditioning decays quickly, for example when environment temperature drops to -16 DEG C
When, heating capacity will decay 30%.Environment temperature is reduced to -25 DEG C, and heating capacity will decay 50%.When environment temperature continues down
Drop (- 30 DEG C) so that it is lower when, heating capacity will not reach the 30% of nominal heating capacity.
2. in Water-cooling type air conditioner：The Water-cooling type air conditioner of existing market does not run the feelings very low with environment temperature for a long time in unit
The jelly in water route will directly bleed off the water in system in order to prevent under condition, on the one hand waste this part water resource, on the other hand
It can lose time during re-injection water because of links such as emptyings, reduce user experience.
3. during unit defrost：When unit is in the case of defrost, due to the switching of four-way valve, indoor condensation side is changed into
Evaporation side, during defrost, evaporation endothermic will cause indoor temperature to drastically reduce, and user can be given a kind of obvious cold
Sense, so as to reduce the experience of user.
The reason for causing these problems is：
1. in terms of heating capacity：In the case that condensation side state is constant indoors, when environment temperature declines, evaporator heat absorption
Quantitative change is low, so that low pressure is lower, on the one hand causes the reduction of system heating capacity, another aspect compressor load increases, and increases press
Work done, so as to reduce efficiency.
2. in Water-cooling type air conditioner：When environment temperature is very low and is the coolant-temperature gage in system under conditions of not running for a long time
Will decline causes to freeze, so as to destroy system.
3. during defrost：Due to the commutation of four-way valve, indoor condensation side is changed into evaporation side, during defrost, evaporation
Heat absorption will cause the reduction of indoor environment temperature.
Suitably start the heating unit of air-conditioning when thus needs in the winter time, but some existing technologies are only letter
Single ground starts heating when temperature dropped to a certain extent, does not have rational control method intelligently to control the water of air-conditioning
Temperature, so that the temperature on the inside of balance cylinder.How intelligently water temperature to be controlled is that those skilled in the art need the skill that solves
Art problem.
The content of the invention
It is how intelligently right for solving an embodiment of the present invention provides a kind of intelligent control method of air-conditioning temperature control heating
The technical problem that water temperature is controlled.
A kind of intelligent control method of air-conditioning temperature control heating provided by the invention, including：
When detecting that environment temperature Th is less than default first temperature and condensation side output water temperature Tc≤default setting temperature
When degree Ts subtracts default second temperature, into next step；
Whether current size reaches setting value in detection air-conditioning system, if so, first order heating is then opened, if it is not, then not
Open heating；
Detect that the unit of air-conditioning because disorderly closedown and the first order are heated when having turned on, opens second level heating.
Preferably, method provided by the invention further includes：
Detect following three kinds of situations for the moment, close first order heating, the first situation be more than for environment temperature Th or
Equal to default 3rd temperature, the second situation is more than default design temperature Ts, the third feelings for condensation side output water temperature Tc
Condition is to detect water flow failure.
Preferably, method provided by the invention further includes：
When detecting that first order heating is closed or air-conditioner set runs heating mode, second level heating is closed.
Preferably, method provided by the invention further includes the rate-determining steps when operation of air conditioner is in standby mode, described to work as
Rate-determining steps of operation of air conditioner when standby mode are：
When operation of air conditioner is in standby mode, detects antifreeze temperature Td and whether be less than or equal to and default antifreeze enter water temperature
Tf, if so, then opening water pump；
Control the water pump continuous service default time after, detect antifreeze temperature Td whether be less than or equal to it is default it is antifreeze into
Enter water temperature T f, heat if so, then opening the first order and open air-conditioner set；
Whether detection air-conditioner set breaks down shutdowns, is heated if so, then opening the second level；
Wherein, the antifreeze temperature Td is the lowest temperature in the temperature that all cooling-water temperature sensors detect in air-conditioning system
Degree.
Preferably, the rate-determining steps when operation of air conditioner is in standby mode further include：
Detect environment temperature Th be greater than or equal to it is default it is antifreeze exit environment temperature Th2, or antifreeze temperature Td is more than
Or equal to it is antifreeze exit water temperature T f1 when, close heating.
Preferably, method provided by the invention further includes the rate-determining steps when operation of air conditioner is in heating mode, described to work as
Rate-determining steps of operation of air conditioner when heating mode are：
Detect whether antifreeze temperature Td is less than or equal to antifreeze entrance water temperature T f, and environment temperature Th is less than or equal to antifreeze
Into environment temperature Th1, if so, then current size opens first order heating in air-conditioning system in the case of reaching setting value；
Whether detection air-conditioner set breaks down shutdowns, is heated if so, then opening the second level；
Wherein, the antifreeze temperature Td is the lowest temperature in the temperature that all cooling-water temperature sensors detect in air-conditioning system
Degree.
Preferably, the rate-determining steps when operation of air conditioner is in heating mode further include：
Detect environment temperature Th be greater than or equal to it is default it is antifreeze exit environment temperature Th2, or antifreeze temperature Td is more than
Or equal to it is antifreeze exit water temperature T f1 when, close heating.
Preferably, method provided by the invention further includes the rate-determining steps when operation of air conditioner is in refrigeration mode, described to work as
Rate-determining steps of operation of air conditioner when refrigeration mode are：
Detect antifreeze temperature Td whether be less than or equal to it is antifreeze enter water temperature T f, if so, then control air-conditioner set stop fortune
Row, which freezes and opens the first order, to be heated；
Whether detection water temperature climbing speed reaches scheduled rate, if it is not, then controlling air-conditioner set operation heating；
Wherein, the antifreeze temperature Td is the lowest temperature in the temperature that all cooling-water temperature sensors detect in air-conditioning system
Degree.
Preferably, the rate-determining steps when operation of air conditioner is in refrigeration mode further include：
Detect antifreeze temperature Td whether be greater than or equal to it is antifreeze refrigeration exit water temperature T f2, if so, then close heating.
Preferably, method provided by the invention further includes the rate-determining steps when operation of air conditioner defrosting mode, described when sky
Allocate and transport row defrosting mode when rate-determining steps be：
When detecting that air-conditioning enters operation defrosting mode, first order heating is opened；
When detecting air-conditioning defrosting mode out of service, heating is closed.
As can be seen from the above technical solutions, the embodiment of the present invention has the following advantages：
A kind of intelligent control method of air-conditioning temperature control heating provided by the invention, including：When detecting that environment temperature Th is small
When default first temperature and condensation side output water temperature Tc≤default design temperature Ts subtract default second temperature, enter
In next step；Whether current size reaches setting value in detection air-conditioning system, if so, first order heating is then opened, if it is not, not opening then
Open heating；Detect that the unit of air-conditioning because disorderly closedown and the first order are heated when having turned on, opens second level heating.The present invention is logical
Cross setting level-one heating and two level heating high efficiency smart control heating process so that water temperature will not acute variation, level-one heating
Control and adjust water temperature to be maintained in normal range (NR), two level heating can accelerate heating process and cause air-conditioning in very cold situation
Under remain to work normally, under normal circumstances using level-one heat and freeze degree it is high when using level-one heating and two level heat
It is carried out at the same time, resource can be saved, more intelligently carries out temperature control., can be effective in terms of unit ultralow temperature heating capacity
Ground makes up the unit caused by environment temperature is too low and heats attenuation, lifts user experience.In terms of making up heating capacity, intelligence
Control logic can effectively prevent the anti-freeze in water route, increase the service life and stability of system.Defrost control aspect
The cold because being produced during defrosting can effectively be supplemented so that water temperature will not be very big because of defrosting fluctuation, so as to lift user
Experience.
Brief description of the drawings
In order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
There is attached drawing needed in technology description to be briefly described, it should be apparent that, drawings in the following description are only this
Some embodiments of invention, for those of ordinary skill in the art, without having to pay creative labor, may be used also
To obtain other attached drawings according to these attached drawings.
Fig. 1 is a kind of schematic diagram of one embodiment of the intelligent control method of air-conditioning temperature control heating provided by the invention.
Embodiment
It is how intelligently right for solving an embodiment of the present invention provides a kind of intelligent control method of air-conditioning temperature control heating
The technical problem that water temperature is controlled.
Goal of the invention, feature, advantage to enable the present invention is more obvious and understandable, below in conjunction with the present invention
Attached drawing in embodiment, is clearly and completely described the technical solution in the embodiment of the present invention, it is clear that disclosed below
Embodiment be only part of the embodiment of the present invention, and not all embodiment.Based on the embodiments of the present invention, this area
All other embodiment that those of ordinary skill is obtained without making creative work, belongs to protection of the present invention
Scope.
In the embodiment of the present invention, it is related to various parameters, is explained in detail below：
Th：Environment temperature；Tc：Total leaving water temperature；Ts：Design temperature；Th1：It is antifreeze to enter environment temperature；Th2：It is antifreeze to move back
Go out environment temperature；Tf：It is antifreeze to enter water temperature；Tf1：It is antifreeze to exit water temperature；Tf2：Antifreeze refrigeration exits water temperature；These above-mentioned parameters
All it is set in advance, it is to be extracted lane database can be stored in.
Antifreeze temperature Td：Other cooling-water temperature sensors in selection water inlet, water outlet and system.During operative sensor failure,
The wherein minimum sensor of temperature is selected as antifreeze temperature.If all cooling-water temperature sensors all failure when, be not turned on electrical heating.
Referring to Fig. 1, a kind of one embodiment of the intelligent control method of air-conditioning temperature control heating provided by the invention, bag
Include：
101st, when detecting that environment temperature Th is less than default first temperature and condensation side output water temperature Tc≤default and sets
When constant temperature degree Ts subtracts default second temperature, into next step；
102nd, detect whether current size in air-conditioning system reaches setting value, if so, first order heating is then opened, if it is not,
Then it is not turned on heating；
103rd, detect that the unit of air-conditioning because disorderly closedown and the first order are heated when having turned on, opens second level heating.
The present invention is by setting level-one heating and two level to control heating process with heating high efficiency smart so that water temperature will not be acute
Strong change, level-one computer heating control simultaneously adjust water temperature and are maintained in normal range (NR), and two level heating can accelerate heating process and cause air-conditioning
Remain to work normally in the case of very cold, heated under normal circumstances using level-one and use one when the degree of freezing is high
Level heating and two level heating are carried out at the same time, and can be saved resource, more intelligently be carried out temperature control.
Above is a kind of one embodiment of the intelligent control method of air-conditioning temperature control heating provided by the invention is carried out detailed
Thin description, below will carry out a kind of another embodiment of the intelligent control method of air-conditioning temperature control heating provided by the invention
Detailed description.
A kind of another embodiment of the intelligent control method of air-conditioning temperature control heating provided by the invention, including：
When detecting that environment temperature Th is less than default first temperature and condensation side output water temperature Tc≤default setting temperature
When degree Ts subtracts default second temperature, into next step；
Whether current size reaches setting value in detection air-conditioning system, if so, first order heating is then opened, if it is not, then not
Open heating；
Detect that the unit of air-conditioning because disorderly closedown and the first order are heated when having turned on, opens second level heating.
Detect following three kinds of situations for the moment, close first order heating, the first situation be more than for environment temperature Th or
Equal to default 3rd temperature, the second situation is more than default design temperature Ts, the third feelings for condensation side output water temperature Tc
Condition is to detect water flow failure.
When detecting that first order heating is closed or air-conditioner set runs heating mode, second level heating is closed.
Rate-determining steps when operation of air conditioner is in standby mode are：
When operation of air conditioner is in standby mode, detects antifreeze temperature Td and whether be less than or equal to and default antifreeze enter water temperature
Tf, if so, then opening water pump；
Control the water pump continuous service default time after, detect antifreeze temperature Td whether be less than or equal to it is default it is antifreeze into
Enter water temperature T f, heat if so, then opening the first order and open air-conditioner set；
Whether detection air-conditioner set breaks down shutdowns, is heated if so, then opening the second level；
Wherein, the antifreeze temperature Td is the lowest temperature in the temperature that all cooling-water temperature sensors detect in air-conditioning system
Degree.
Detect environment temperature Th be greater than or equal to it is default it is antifreeze exit environment temperature Th2 or antifreeze temperature Td be more than or
Equal to it is antifreeze exit water temperature T f1 when, close heating.
Rate-determining steps when operation of air conditioner is in heating mode are：
Detect whether antifreeze temperature Td is less than or equal to antifreeze entrance water temperature T f and environment temperature Th is less than or equal to antifreeze
Into environment temperature Th1, if so, then current size opens first order heating in air-conditioning system in the case of reaching setting value；
Whether detection air-conditioner set breaks down shutdowns, is heated if so, then opening the second level；
Wherein, the antifreeze temperature Td is the lowest temperature in the temperature that all cooling-water temperature sensors detect in air-conditioning system
Degree.
Detect environment temperature Th be greater than or equal to it is default it is antifreeze exit environment temperature Th2 or antifreeze temperature Td be more than or
Equal to it is antifreeze exit water temperature T f1 when, close heating.
Rate-determining steps when operation of air conditioner is in refrigeration mode are：
Detect antifreeze temperature Td whether be less than or equal to it is antifreeze enter water temperature T f, if so, then control air-conditioner set stop fortune
Row, which freezes and opens the first order, to be heated；
Whether detection water temperature climbing speed reaches scheduled rate, if it is not, then controlling air-conditioner set operation heating；
Wherein, the antifreeze temperature Td is the lowest temperature in the temperature that all cooling-water temperature sensors detect in air-conditioning system
Degree.
Detect antifreeze temperature Td whether be greater than or equal to it is antifreeze refrigeration exit water temperature T f2, if so, then close heating.
Rate-determining steps when operation of air conditioner defrosting mode are：
When detecting that air-conditioning enters operation defrosting mode, first order heating is opened；
When detecting air-conditioning defrosting mode out of service, heating is closed.
The optimal selection of above-mentioned heating is electrical heating.
It based on embodiment provided by the invention, can be applied in heat pump air conditioner realize, be to provided by the invention one below
The application examples of the intelligent control method of kind air-conditioning temperature control heating is described in detail.
Application examples specifically sets the first temperature as -16 DEG C, and second temperature is 6 DEG C, and the 3rd temperature is -14 DEG C.
1. in terms of heating capacity
According to the attenuation degree of unit heating capacity to electrical heating carry out type selecting, guarantee compensate unit at -25 DEG C or even
Heating attenuation in the case of more low ambient temperature.
First order unlocking condition：Wherein the first order is divided into manually opened and automatically turns on, and the condition that automatically turns on is when Th drops
Opened during to -16 DEG C and more than Tc≤Ts-6 DEG C of condensation side output water temperature.Wherein, either manually opened or automatic opening is all
Current will be detected, when current reach setting value, electrical heating can open, otherwise to be not turned on.Second level unlocking condition：When
The first order have turned on and unit because of disorderly closedown in the case of, the electrical heating second level open.
First order closedown condition：a、Th≥-14℃；b、Tc≥Ts；C, water flow failure.Meet one of three above condition i.e.
Close first order electrical heating.Second level closedown condition：A, the first order is closed；B, unit operation heats.Meet two above condition
One of i.e. second level electrical heating close.
2. anti-frost protection
A, antifreeze logic under holding state, as antifreeze temperature Td≤Tf, water pump open, when water pump operation after a certain period of time
Td determines then to open first order electrical heating after current are normal still less than equal to Tf, and machine is opened, if mechanical disorder is shut down at this time,
Then second level electrical heating is opened.Electrical heating is closed as Th >=Th2 or Td >=Tf1.
B, antifreeze logic under heating mode, as antifreeze temperature Td≤Tf and Th≤Th1, it is ensured that in the case of current are normal
First order electrical heating is opened, if mechanical disorder is shut down at this time, second level electrical heating is opened.Closed as Th >=Th2 or Td >=Tf1
Close electrical heating.
C, antifreeze logic under refrigeration mode, as antifreeze temperature Td≤Tf, entrance is antifreeze, and machine refrigeration out of service, is opened
First order electrical heating is opened, if water temperature rises less than 1 DEG C after 3 minutes, machine operation heat-production functions.Exited as Td >=Tf2 anti-
Freeze, electrical heating is closed.
3. under defrosting mode
When unit, which enters, to defrost, first order electrical heating is opened.Unit then closes electrical heating when exiting defrosting.
To electrically heated logic control based on more than, intelligently water temperature can be controlled.Heated in unit ultralow temperature
In terms of amount, it can effectively make up the unit caused by environment temperature is too low and heat attenuation, lift user experience.Except making up
In terms of heating capacity, intelligent control logic can effectively prevent the anti-freeze in water route, increase the service life and stabilization of system
Property.Defrosting control aspect can effectively supplement the cold because being produced during defrosting so that water temperature will not be because of defrosting fluctuation very
Greatly, so as to lift user experience.
Electrical heating carries out type selecting according to -25 DEG C of corresponding heating capacity decay, and type selects the electrical heating of two-stage type, is respectively
The using and the reserved.Because of the household electrical source that most users are 220V, if opening two-stage electrical heating while unit is opened, whole system
The power and electric current of system will increase by 40%, and excessive electric current will bring security risk, therefore electrical heating under normal circumstances
Two level is not turned on.
In terms of ultralow temperature heating：When unit is run in ultra-low temperature surroundings, since unit heating capacity is decayed quickly, because
The shortage of heat that this unit produces is with the cold in supplement ambient, this body that will be influenced unit using effect and then reduce user
Test.Based on a kind of heating attenuation that unit is supplemented with electrical heating is proposed in this phenomenon present invention, by electrical heating
The control of accurate type selecting and intelligence so that system remains to effectively provide heat to the user in the case that environment temperature is ultralow
Amount.
Anti-freeze control aspect：When unit do not run for a long time or operational process in cause water temperature relatively low in the case of, in order to
The anti-freeze that the security consideration of system, combining environmental temperature Th and antifreeze temperature Td carry out unit intelligence is handled.According to such a
Processing mode efficiently avoid the too low caused water route of water temperature and freeze, and then improve the safety and stability of system.
During defrosting：During unit operation defrosts, since the commutation interior condensation side of four-way valve is changed into evaporating
Side, evaporator evaporation endothermic will cause water route temperature to drastically reduce, and can give a kind of obvious creeping chill of user.In order to avoid this
Problem, therefore propose to open first order electrical heating during unit operation defrosting in the present invention, so as to supplement because defrosting
The cold produced in journey.
It is apparent to those skilled in the art that the step of above method, can be with the shape of computer program
Formula is stored in a kind of computer-readable storage medium, therefore present invention further teaches a kind of computer-readable storage medium, is stored thereon with
Computer program, the step of above method can be realized when which is executed by processor.In addition, the step of above method
It is decomposed into multiple modules and is performed the content it will be also be appreciated that disclosed.
The above, the above embodiments are merely illustrative of the technical solutions of the present invention, rather than its limitations；Although with reference to before
Embodiment is stated the present invention is described in detail, it will be understood by those of ordinary skill in the art that：It still can be to preceding
State the technical solution described in each embodiment to modify, or equivalent substitution is carried out to which part technical characteristic；And these
Modification is replaced, and the essence of appropriate technical solution is departed from the spirit and scope of various embodiments of the present invention technical solution.
Claims (10)
- A kind of 1. intelligent control method of air-conditioning temperature control heating, it is characterised in that including：When detecting that environment temperature Th is less than default first temperature and condensation side output water temperature Tc≤default design temperature Ts When subtracting default second temperature, into next step；Whether current size reaches setting value in detection air-conditioning system, if so, first order heating is then opened, if it is not, being then not turned on Heating；Detect that the unit of air-conditioning because disorderly closedown and the first order are heated when having turned on, opens second level heating.
- 2. the intelligent control method of a kind of air-conditioning temperature control heating according to claim 1, it is characterised in that further include：Detect following three kinds of situations for the moment, close first order heating, the first situation is greater than or equal to for environment temperature Th Default 3rd temperature, the second situation are more than default design temperature Ts for condensation side output water temperature Tc, the third situation is Detect water flow failure.
- 3. the intelligent control method of a kind of air-conditioning temperature control heating according to claim 1, it is characterised in that further include：When detecting that first order heating is closed or air-conditioner set runs heating mode, second level heating is closed.
- 4. the intelligent control method of a kind of air-conditioning temperature control heating according to claim 1, it is characterised in that further include when sky Rate-determining steps when running on standby mode are adjusted, the rate-determining steps when operation of air conditioner is in standby mode are：When operation of air conditioner is in standby mode, detect whether antifreeze temperature Td is less than or equal to default antifreeze entrance water temperature T f, If so, then open water pump；After controlling the water pump continuous service default time, detect antifreeze temperature Td and whether be less than or equal to and default antifreeze enter water Warm Tf, heats if so, then opening the first order and opens air-conditioner set；Whether detection air-conditioner set breaks down shutdowns, is heated if so, then opening the second level；Wherein, the antifreeze temperature Td is the minimum temperature in the temperature that all cooling-water temperature sensors detect in air-conditioning system.
- 5. the intelligent control method of a kind of air-conditioning temperature control heating according to claim 4, it is characterised in that work as operation of air conditioner Rate-determining steps when standby mode further include：Detect environment temperature Th be greater than or equal to it is default it is antifreeze exit environment temperature Th2, or antifreeze temperature Td is more than or waits In it is antifreeze exit water temperature T f1 when, close heating.
- 6. the intelligent control method of a kind of air-conditioning temperature control heating according to claim 1, it is characterised in that further include when sky Rate-determining steps when running on heating mode are adjusted, the rate-determining steps when operation of air conditioner is in heating mode are：Detect whether antifreeze temperature Td is less than or equal to antifreeze entrance water temperature T f, and environment temperature Th is less than or equal to antifreeze entrance Environment temperature Th1, if so, then current size opens first order heating in air-conditioning system in the case of reaching setting value；Whether detection air-conditioner set breaks down shutdowns, is heated if so, then opening the second level；Wherein, the antifreeze temperature Td is the minimum temperature in the temperature that all cooling-water temperature sensors detect in air-conditioning system.
- 7. the intelligent control method of a kind of air-conditioning temperature control heating according to claim 6, it is characterised in that work as operation of air conditioner Rate-determining steps when heating mode further include：Detect environment temperature Th be greater than or equal to it is default it is antifreeze exit environment temperature Th2, or antifreeze temperature Td is more than or waits In it is antifreeze exit water temperature T f1 when, close heating.
- 8. the intelligent control method of a kind of air-conditioning temperature control heating according to claim 1, it is characterised in that further include when sky Rate-determining steps when running on refrigeration mode are adjusted, the rate-determining steps when operation of air conditioner is in refrigeration mode are：Detect whether antifreeze temperature Td is less than or equal to antifreeze entrance water temperature T f, if so, then controlling air-conditioner set system out of service It is cold and open the first order heating；Whether detection water temperature climbing speed reaches scheduled rate, if it is not, then controlling air-conditioner set operation heating；Wherein, the antifreeze temperature Td is the minimum temperature in the temperature that all cooling-water temperature sensors detect in air-conditioning system.
- 9. the intelligent control method of a kind of air-conditioning temperature control heating according to claim 8, it is characterised in that work as operation of air conditioner Rate-determining steps when refrigeration mode further include：Detect antifreeze temperature Td whether be greater than or equal to it is antifreeze refrigeration exit water temperature T f2, if so, then close heating.
- 10. the intelligent control method of a kind of air-conditioning temperature control heating according to claim 1, it is characterised in that further include and work as Rate-determining steps during operation of air conditioner defrosting mode, the rate-determining steps when operation of air conditioner defrosting mode are：When detecting that air-conditioning enters operation defrosting mode, first order heating is opened；When detecting air-conditioning defrosting mode out of service, heating is closed.
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| CN109028466A (en) * | 2018-06-12 | 2018-12-18 | 重庆美的通用制冷设备有限公司 | The antifreeze method, apparatus and system of air-conditioner set, evaporator |
| CN113028589A (en) * | 2021-03-23 | 2021-06-25 | 江苏碳元绿色建筑科技有限公司 | Anti-freezing control method and control system of double-cold-source fresh air dehumidifier |
| CN114216215A (en) * | 2021-11-19 | 2022-03-22 | 珠海格力电器股份有限公司 | Anti-freezing control method and device for water system and related equipment |
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| CN114216215A (en) * | 2021-11-19 | 2022-03-22 | 珠海格力电器股份有限公司 | Anti-freezing control method and device for water system and related equipment |
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