CN104728996A - Air conditioner high temperature prevention control method and device and air conditioning unit applying same - Google Patents
Air conditioner high temperature prevention control method and device and air conditioning unit applying same Download PDFInfo
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- CN104728996A CN104728996A CN201310717284.1A CN201310717284A CN104728996A CN 104728996 A CN104728996 A CN 104728996A CN 201310717284 A CN201310717284 A CN 201310717284A CN 104728996 A CN104728996 A CN 104728996A
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- 238000004378 air conditioning Methods 0.000 title claims abstract description 86
- 238000000034 method Methods 0.000 title claims abstract description 28
- 230000002265 prevention Effects 0.000 title abstract 2
- 230000001105 regulatory effect Effects 0.000 claims description 16
- 238000001514 detection method Methods 0.000 claims description 12
- 230000001276 controlling effect Effects 0.000 claims description 10
- 238000010438 heat treatment Methods 0.000 abstract description 14
- 230000007613 environmental effect Effects 0.000 abstract 1
- 238000004891 communication Methods 0.000 description 9
- 238000007599 discharging Methods 0.000 description 5
- 238000009835 boiling Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000004590 computer program Methods 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 230000006698 induction Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000011897 real-time detection Methods 0.000 description 1
- 238000010792 warming Methods 0.000 description 1
Classifications
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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
- 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
- F24F2110/00—Control inputs relating to air properties
-
- 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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- 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
- F24F2140/10—Pressure
- F24F2140/12—Heat-exchange fluid pressure
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- 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 application discloses an air conditioner high temperature prevention control method and device and an air conditioning unit applying the same, wherein under the heating mode of the air conditioning unit, the starting and stopping of an outer fan of the air conditioner are controlled according to the exhaust pressure of an exhaust pipeline of a compressor, and the gear of the outer fan is adjusted according to the environmental temperature of the outer unit of the air conditioner.
Description
Technical field
The application relates to air conditioner controlling technology field, particularly relates to a kind of air-conditioning high temperature-proof control method, device and applies its air-conditioner set.
Background technology
At present, interior Guan Wen (namely machine copper pipe temperature) under domestic air conditioning and look down upon engaging in business air-conditioning generally detect heating mode by interior machine pipe warming thermometer bulb, and then the gear of outer blower fan is also regulated according to the start-stop of this interior pipe temperature control compressor, thus reach the object preventing from heating the too high boiling hot people of leaving air temp, i.e. high temperature-proof.
The application of above-mentioned high temperature-proof control method has certain limitation: when the internal-external machine of air-conditioning is without communication, or when internal-external machine independently controls, interior pipe temperature cannot transfer to outer machine control system, thus cannot realize above-mentioned high temperature-proof and control.
Summary of the invention
In view of this, the application's object is the air-conditioner set providing a kind of air-conditioning high temperature-proof control method, device and apply it, cannot be applied to problem on air-conditioner that internal-external machine independently controls without communication or internal-external machine to solve existing high temperature-proof control method.
For achieving the above object, the application provides following technical scheme:
A kind of air-conditioning high temperature-proof control device, comprising: main control unit, outer shroud temperature detection module and pressure detecting module;
Described outer shroud temperature detection module is for detecting described outdoor machine of air-conditioner environment temperature;
Described pressure detecting module is for obtaining and sending the first information of the pressure at expulsion size characterizing described compressor of air conditioner;
Described main control unit comprises:
Gear control module, for generating gear regulating command, to control the gear of described outer blower fan according to described outdoor machine of air-conditioner environment temperature;
On off control module, for controlling the start and stop of the outer blower fan of described air-conditioning according to the described first information.
Preferably, described outer shroud temperature detection module comprises the external environment temperature-sensitive bag be arranged on outdoor machine of air-conditioner.
Preferably, described air-conditioning high temperature-proof control device also comprises: gear switch module, for regulating the gear of described outer blower fan under the control of described gear regulating command.
Preferably, the described first information comprises the too high blowing-out machine information of the described pressure at expulsion of sign, and characterizes the too low machine information that blows in of described pressure at expulsion;
Described pressure detecting module comprises the pressure switch be arranged on air condition compressor exhaust pipe;
Described pressure switch is used for: disconnect when described pressure at expulsion is greater than the first preset pressure, and send described blowing-out machine information to described on off control module, closed when described pressure at expulsion is less than the second preset pressure, and the machine information that blows in described in sending to described on off control module; Wherein, described first preset pressure is greater than described second preset pressure.
Preferably, described on off control module controls the start and stop of the outer blower fan of described air-conditioning according to the described first information, specifically comprises:
When receiving described blowing-out machine information, control described outer fan parking, when blow in described in receiving machine information time, control described outer fan starting.
Preferably, described gear regulating command comprises:
When described outdoor machine of air-conditioner environment temperature lower than generate during the first preset temperature, the first instruction that described outer blower fan top grade is run;
When described outdoor machine of air-conditioner environment temperature higher than generate during the second preset temperature, the second instruction of making described outer blower fan underdrive operating; Wherein, described first preset temperature is less than described second preset temperature.
A kind of air-conditioner set, comprises the air-conditioning high temperature-proof control device as described in any one of claim 1 ~ 6.
A kind of air-conditioning high temperature-proof control method, comprising:
Detect the pressure at expulsion of outdoor machine of air-conditioner environment temperature and compressor of air conditioner respectively;
The start and stop of the outer blower fan of described air-conditioning are controlled according to described pressure at expulsion;
The gear of described outer blower fan is controlled according to described outdoor machine of air-conditioner environment temperature.
Preferably, the described gear controlling described outer blower fan according to described outdoor machine of air-conditioner environment temperature, comprising:
When described outdoor machine of air-conditioner environment temperature is lower than the first preset temperature, controls described outer blower fan top grade and run;
When described outdoor machine of air-conditioner environment temperature is higher than the second preset temperature, control described outer blower fan underdrive operating;
Wherein, described first preset temperature is less than described second preset temperature.
Preferably, the described start and stop controlling described outer blower fan according to described pressure at expulsion, comprising:
When described pressure at expulsion is greater than the first preset pressure, control the outer fan parking of air-conditioning;
When described pressure at expulsion is less than the second preset pressure, control the outer fan starting of air-conditioning;
Wherein, described first preset pressure is greater than described second preset pressure.
As can be seen from above-mentioned technical scheme, under air-conditioner set heating mode, the application controls the start and stop of outer blower fan according to the pressure at expulsion of compressor air-discharging pipeline, outer blower fan gear is regulated according to outdoor machine of air-conditioner environment temperature, therefore the application is not needing under the prerequisite obtaining machine parameter in interior Guan Wen etc., realize the gear of external blower fan and the control of start and stop, and then achieve the high temperature-proof of air-conditioner set is controlled, eliminate the communication need to internal-external machine, can be applicable to the air-conditioner set of any type, solve the problem of prior art.
Accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present application or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is only some embodiments of the application, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
The structured flowchart of the air-conditioning high temperature-proof control device that Fig. 1 provides for the embodiment of the present application one;
The structured flowchart of the air-conditioning high temperature-proof control device that Fig. 2 provides for the embodiment of the present application two;
The air-conditioning high temperature-proof control device that Fig. 3 provides for the embodiment of the present application two and the air-conditioning unit structure figure applying it;
The air-conditioning high temperature-proof control method flow chart that Fig. 4 provides for the embodiment of the present application three;
The air-conditioning high temperature-proof control method flow chart that Fig. 5 provides for the embodiment of the present application four.
Detailed description of the invention
Below in conjunction with the accompanying drawing in the embodiment of the present application, be clearly and completely described the technical scheme in the embodiment of the present application, obviously, described embodiment is only some embodiments of the present application, instead of whole embodiments.Based on the embodiment in the application, those of ordinary skill in the art are not making the every other embodiment obtained under creative work prerequisite, all belong to the scope of the application's protection.
The embodiment of the present application discloses a kind of air-conditioning high temperature-proof control method, device and applies its air-conditioner set, cannot be applied to problem on air-conditioner that internal-external machine independently controls without communication or internal-external machine to solve existing high temperature-proof control method.
With reference to Fig. 1, the air-conditioning high temperature-proof control device that the embodiment of the present application one provides, comprising: main control unit 100, outer shroud temperature detection module 200 and pressure detecting module 300.
Wherein, outer shroud temperature detection module 200 is for detecting outdoor machine of air-conditioner environment temperature.
Pressure detecting module 300 is for obtaining and sending the first information of pressure at expulsion size characterizing compressor of air conditioner.
Main control unit 100 comprises: gear control module 101 and on off control module 102.
Gear control module 101, for generating gear regulating command, to control the gear of described outer blower fan according to described outdoor machine of air-conditioner environment temperature.
On off control module 102, for controlling the start and stop of the outer blower fan of described air-conditioning according to the described first information.
Applicant studies discovery, and when the leaving air temp of air-conditioning internal machine raises, Compressor Discharge Pressure also increases; In view of this, under air-conditioner set heating mode, the embodiment of the present application controls the start and stop of outer blower fan according to described pressure at expulsion, regulates the gear of described outer blower fan, achieve and control the high temperature-proof of outdoor machine of air-conditioner according to outdoor machine of air-conditioner environment temperature; Control procedure described in above-mentioned the embodiment of the present application does not need to obtain the interior machine parameters such as interior Guan Wen, eliminates the communication need to internal-external machine, can be applicable to the air-conditioner set of any type, solve the problem of prior art.
Preferably, the embodiment of the present application two provides the air-conditioning high temperature-proof control device that another kind is applied to an air-conditioner set, and as shown in Figures 2 and 3, it comprises: main control unit 100, outer shroud temperature detection module 200, pressure detecting module 300 and gear switch module 400.This air-conditioner set comprises outer blower fan 1, outdoor machine of air-conditioner 2, air-conditioning internal machine 3, compressor 4 etc.
Outer shroud temperature detection module 200, for detecting outdoor machine of air-conditioner environment temperature, specifically can adopt the external environment temperature-sensitive bag 201 be arranged on outdoor machine of air-conditioner 2.
Pressure detecting module 300, for obtaining and sending the first information of pressure at expulsion size characterizing compressor of air conditioner, specifically can adopt the pressure switch 301 be arranged on compressor of air conditioner 4 blast pipe.
Main control unit 100 can adopt the chips such as programmable logic controller (PLC) PLC, single-chip microcomputer, specifically comprises gear control module 101 and on off control module 102.Wherein, gear control module 101 is for generating gear regulating command, to control the gear of outer blower fan 1 according to described outdoor machine of air-conditioner environment temperature; On off control module 102 is for controlling the start and stop of the outer blower fan of described air-conditioning according to the described first information.
Gear switch module 400, for regulating the gear of exogenous wind machine 1 under the control of described gear regulating command, specifically can adopt the relay 401 of transferring the files be arranged on outer blower fan 1.
The operation principle of said apparatus is as follows:
Time under air-conditioner set runs on heating mode, the pressure at expulsion of pressure switch 301 induced compression machine 4, when described pressure at expulsion is greater than the first preset pressure, pressure switch 301 disconnects, and sends a blowing-out machine information on off control module 102; When described pressure at expulsion is less than the second preset pressure (described first preset pressure is greater than described second preset pressure), pressure switch 301 closes, and sends one on off control module 102 and to blow in machine information; When described pressure at expulsion is less than the first preset pressure and is greater than the second preset pressure, pressure switch 301 keeps current switch states, is failure to actuate.The instruction that on off control module 102 real-time reception pressure switch 301 in main control unit 100 sends, when receiving described blowing-out machine information, illustrate that described pressure at expulsion leaving air temp that is too high, i.e. air-conditioning internal machine 3 is too high, therefore the outer blower fan 1 of control is shut down, reduce air-conditioning heating amount, reduce leaving air temp, to prevent the too high boiling hot people of outdoor machine of air-conditioner 2 leaving air temp, namely realize high temperature-proof and control; When blow in described in receiving machine information time, illustrate that described pressure at expulsion is too low, namely the leaving air temp of air-conditioning internal machine 3 is too low, thus control outer blower fan 1 start, prevent outer machine frosting.
Gear control module 101 in main control unit 100 generates corresponding gear regulating command according to the outdoor machine of air-conditioner environment temperature that external environment temperature-sensitive bag 201 detects, be sent to relay 401 of transferring the files, to control to transfer the files the duty of relay 401, the gear realizing external blower fan 1 controls.Concrete:
When gear control module 101 judges described outdoor machine of air-conditioner environment temperature lower than the first preset temperature, generate and send the first instruction, transfer the files relay 401 under the control of described first instruction, high-grade closed, low-grade disconnection, makes outer blower fan 1 top grade run; Because now outdoor machine of air-conditioner environment temperature is lower, heating needs is higher, therefore outer blower fan 1 top grade is run, both can meet heating needs as early as possible, and prevent again outdoor machine of air-conditioner 2 frosting.
When judging described outdoor machine of air-conditioner environment temperature higher than the second preset temperature (described first preset temperature is less than described second preset temperature), generate and send the second instruction, transfer the files relay 401 under the control of described second instruction, low-grade closed, high-grade disconnection, makes outer blower fan 1 underdrive operating; Because now outdoor environment temperature is higher, heating needs is lower, therefore the low wind shelves of outer blower fan 1 are run, both interior machine condenser heat load had been reduced, turn avoid interior machine leaving air temp rises to too high at short notice, and then avoid pressure switch 301 frequent movement, outer blower fan 1 frequent start-stop, ensure that the safe operation of outdoor machine of air-conditioner and even whole air-conditioning system.
When judging described outdoor machine of air-conditioner environment temperature higher than described first preset temperature and lower than the second preset temperature, gear control module 101 does not change the duty of relay 401 of transferring the files, and runs even if outer blower fan 1 remains on current blower fan gear.
From said structure and operation principle, the embodiment of the present application is responded to pressure at expulsion by the pressure switch be arranged on compressor air-discharging pipeline, switch self folding condition, is sent boot-strap information/outage information, and then controls the start and stop of the outer blower fan of air-conditioning according to this machine information that blows in/blowing-out machine information; Detect outdoor machine of air-conditioner environment temperature by external environment temperature-sensitive bag simultaneously, and control the gear of the outer blower fan of air-conditioning according to this outdoor machine of air-conditioner environment temperature; Do not need to detect any air-conditioning internal machine parameter, do not need internal-external machine communication prerequisite under, namely ensure that the heating needs of air-conditioner set, achieve again high temperature-proof, antifrost controls, also reduce the outer blower fan start-stop time of air-conditioning, ensure that the safe operation of outdoor machine of air-conditioner and even whole air-conditioning system.
In addition, the embodiment of the present application also have passed a kind of air-conditioner set, comprises the basic devices such as outer machine, interior machine, compressor, also comprises the air-conditioning high temperature-proof control device described in above-mentioned any embodiment.Apply this air-conditioning high temperature-proof control device, control the start and stop of the outer blower fan of air-conditioning according to the pressure at expulsion of compressor, control the gear of outer blower fan according to outer machine environment temperature, do not need to detect any air-conditioning internal machine parameter, do not need internal-external machine communication prerequisite under, achieve high temperature-proof to control, overcome the application limitation problem of existing high temperature-proof control method.
Relative to device embodiment one above, the embodiment of the present application three additionally provides a kind of air-conditioning high temperature-proof control method, and as shown in Figure 4, the method comprises the steps:
The pressure at expulsion of S1, respectively detection outdoor machine of air-conditioner environment temperature and compressor of air conditioner;
S2, root control the start and stop of the outer blower fan of described air-conditioning according to described pressure at expulsion;
S3, to control the gear of the outer blower fan of described air-conditioning according to described outdoor machine of air-conditioner environment temperature.
Time under air-conditioner set runs on heating mode, start and stop and the gear of the outer blower fan of air-conditioning is controlled by said method, not needing under the prerequisite obtaining machine parameter in interior Guan Wen etc., can realize controlling air-conditioner set high temperature-proof, thus the communication need eliminated internal-external machine, can be applicable to the air-conditioner set of any type, solve the problem of prior art.
Preferably, the embodiment of the present application four provides another kind of air-conditioning high temperature-proof control method, and as shown in Figure 5, the method comprising the steps of:
S1, air-conditioner set heating operation, detect the pressure at expulsion P of compressor air-discharging pipeline in real time;
S2, judge whether pressure at expulsion P is greater than the first preset pressure P1, if so, then perform step S3, otherwise perform step S4;
S3, the outer fan parking of control air-conditioning, and be back to step S2;
S4, judge whether pressure at expulsion P is less than the second preset pressure P2, if so, then perform step S5, otherwise perform step S6;
Wherein, P1>P2.
The outer blower fan start of S5, control air-conditioning, and perform step S7;
S6, the outer blower fan current start and stop state of maintenance air-conditioning are constant, and judge whether its current start and stop state is open state, if so, then perform step S7, otherwise are back to step S2;
Corresponding to said apparatus embodiment two, above-mentioned detection pressure at expulsion P, and realize P with and all realize by the pressure switch be arranged on compressor air-discharging pipeline; Namely as P>P1, this pressure switch disconnects, generate blowing-out machine information simultaneously, control the outer fan parking of air-conditioning, as P<P2, this pressure switch closes, generate the machine information that blows in simultaneously, control the outer fan starting (start) of air-conditioning, as P2<P<P1, the folding condition of pressure switch is constant, and the start and stop state of the outer blower fan of corresponding air-conditioning is also constant; Further; judge that the current start and stop state of the outer blower fan of air-conditioning is also by judging that the current folding condition of pressure switch realizes; even current pressure switch is off state; then can judge that now the outer blower fan of air-conditioning is as stopped status; otherwise; if current pressure switch is closure state, then can judge that now the outer blower fan of air-conditioning is open state.
S7, in real time detection outdoor machine of air-conditioner environment temperature T;
S8, judge that whether outdoor machine of air-conditioner environment temperature T is lower than the first preset temperature T1, if so, then perform step S9, otherwise perform step S10;
The outer blower fan top grade of S9, control air-conditioning runs, and is back to step S2 and S7;
S10, judge that whether described outdoor machine of air-conditioner environment temperature T is higher than the second preset temperature T2, if so, then perform step S11, otherwise keep the outer blower fan current gear of air-conditioning, and be back to step S2 and S7;
Wherein, T1 < T2.
S11, the outer blower fan underdrive operating of control air-conditioning, and be back to step S2 and S7.
Corresponding to said apparatus embodiment two, the gear of the outer blower fan of the adjustment air-conditioning described in this method embodiment, realizes by regulating the relay of transferring the files be arranged on the outer blower fan of air-conditioning.
From said method step, the embodiment of the present application is when the pressure switch induction pressure at expulsion on compressor air-discharging pipeline is greater than the first preset pressure, control the outer fan parking of air-conditioning, when described pressure at expulsion is less than the second preset pressure, control the outer blower fan start of air-conditioning; Simultaneously when outdoor machine of air-conditioner environment temperature is less than the first preset temperature, control the outer blower fan top grade of air-conditioning and run, when described outdoor machine of air-conditioner environment temperature is greater than the second preset temperature, control the outer blower fan underdrive operating of air-conditioning; Therefore, the embodiment of the present application do not need to detect any air-conditioning internal machine parameter, do not need internal-external machine communication prerequisite under, achieve and the outer blower fan start and stop of air-conditioning and gear are controlled, namely ensure that the heating needs of air-conditioner set, achieve again high temperature-proof, antifrost controls, also reduce the outer blower fan start-stop time of air-conditioning, ensure that the safe operation of outdoor machine of air-conditioner and even whole air-conditioning system.
One of ordinary skill in the art will appreciate that all or part of flow process realized in above-described embodiment method, that the hardware that can carry out instruction relevant by computer program has come, described program can be stored in a computer read/write memory medium, described program, when performing, can comprise the flow process of the embodiment as above-mentioned each side method.Wherein, described storage medium can be magnetic disc, CD, read-only store-memory body (Read-Only Memory, ROM) or random store-memory body (Random Access Memory, RAM) etc.
To the above-mentioned explanation of the disclosed embodiments, professional and technical personnel in the field are realized or uses the application.To be apparent for those skilled in the art to the multiple amendment of these embodiments, General Principle as defined herein when not departing from the spirit or scope of the application, can realize in other embodiments.Therefore, the application can not be restricted to these embodiments shown in this article, but will meet the widest scope consistent with principle disclosed herein and features of novelty.
Claims (10)
1. an air-conditioning high temperature-proof control device, is characterized in that, comprising: main control unit, outer shroud temperature detection module and pressure detecting module;
Described outer shroud temperature detection module is for detecting described outdoor machine of air-conditioner environment temperature;
Described pressure detecting module is for obtaining and sending the first information of the pressure at expulsion size characterizing described compressor of air conditioner;
Described main control unit comprises:
Gear control module, for generating gear regulating command, to control the gear of described outer blower fan according to described outdoor machine of air-conditioner environment temperature;
On off control module, for controlling the start and stop of the outer blower fan of described air-conditioning according to the described first information.
2. air-conditioning high temperature-proof control device according to claim 1, is characterized in that, described outer shroud temperature detection module comprises the external environment temperature-sensitive bag be arranged on outdoor machine of air-conditioner.
3. air-conditioning high temperature-proof control device according to claim 1, is characterized in that, also comprise: gear switch module, for regulating the gear of described outer blower fan under the control of described gear regulating command.
4. air-conditioning high temperature-proof control device according to claim 1, is characterized in that, the described first information comprises the too high blowing-out machine information of the described pressure at expulsion of sign, and characterizes the too low machine information that blows in of described pressure at expulsion;
Described pressure detecting module comprises the pressure switch be arranged on air condition compressor exhaust pipe;
Described pressure switch is used for: disconnect when described pressure at expulsion is greater than the first preset pressure, and send described blowing-out machine information to described on off control module, closed when described pressure at expulsion is less than the second preset pressure, and the machine information that blows in described in sending to described on off control module; Wherein, described first preset pressure is greater than described second preset pressure.
5. air-conditioning high temperature-proof control device according to claim 4, is characterized in that, described on off control module controls the start and stop of the outer blower fan of described air-conditioning according to the described first information, specifically comprises:
When receiving described blowing-out machine information, control described outer fan parking, when blow in described in receiving machine information time, control described outer fan starting.
6. air-conditioning high temperature-proof control device according to claim 1, is characterized in that, described gear regulating command comprises:
When described outdoor machine of air-conditioner environment temperature lower than generate during the first preset temperature, the first instruction that described outer blower fan top grade is run;
When described outdoor machine of air-conditioner environment temperature higher than generate during the second preset temperature, the second instruction of making described outer blower fan underdrive operating; Wherein, described first preset temperature is less than described second preset temperature.
7. an air-conditioner set, is characterized in that, comprises the air-conditioning high temperature-proof control device as described in any one of claim 1 ~ 6.
8. an air-conditioning high temperature-proof control method, is characterized in that, comprising:
Detect the pressure at expulsion of outdoor machine of air-conditioner environment temperature and compressor of air conditioner respectively;
The start and stop of the outer blower fan of described air-conditioning are controlled according to described pressure at expulsion;
The gear of described outer blower fan is controlled according to described outdoor machine of air-conditioner environment temperature.
9. air-conditioning high temperature-proof control method according to claim 8, is characterized in that, the described gear controlling described outer blower fan according to described outdoor machine of air-conditioner environment temperature, comprising:
When described outdoor machine of air-conditioner environment temperature is lower than the first preset temperature, controls described outer blower fan top grade and run;
When described outdoor machine of air-conditioner environment temperature is higher than the second preset temperature, control described outer blower fan underdrive operating;
Wherein, described first preset temperature is less than described second preset temperature.
10. air-conditioning high temperature-proof control method according to claim 8, is characterized in that, the described start and stop controlling described outer blower fan according to described pressure at expulsion, comprising:
When described pressure at expulsion is greater than the first preset pressure, control the outer fan parking of air-conditioning;
When described pressure at expulsion is less than the second preset pressure, control the outer fan starting of air-conditioning;
Wherein, described first preset pressure is greater than described second preset pressure.
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| CN201310717284.1A CN104728996A (en) | 2013-12-23 | 2013-12-23 | Air conditioner high temperature prevention control method and device and air conditioning unit applying same |
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| CN201310717284.1A CN104728996A (en) | 2013-12-23 | 2013-12-23 | Air conditioner high temperature prevention control method and device and air conditioning unit applying same |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105509253A (en) * | 2016-01-04 | 2016-04-20 | 青岛海尔空调器有限总公司 | Variable frequency air conditioner and control method thereof |
| CN106196469A (en) * | 2016-07-22 | 2016-12-07 | 珠海格力电器股份有限公司 | Control device and control method of air conditioner |
| CN106765872A (en) * | 2016-11-21 | 2017-05-31 | 合肥美的暖通设备有限公司 | The control method of outer blower fan, controller and air-conditioner under a kind of heating mode |
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| CN106196469B (en) * | 2016-07-22 | 2019-07-16 | 珠海格力电器股份有限公司 | Control device and control method of air conditioner |
| CN106765872A (en) * | 2016-11-21 | 2017-05-31 | 合肥美的暖通设备有限公司 | The control method of outer blower fan, controller and air-conditioner under a kind of heating mode |
| CN106765872B (en) * | 2016-11-21 | 2019-12-27 | 合肥美的暖通设备有限公司 | Control method and controller of outer fan in heating mode and air conditioner |
| CN106765903A (en) * | 2016-11-30 | 2017-05-31 | 广东美的制冷设备有限公司 | A kind of control method of the outer blower fan for air-conditioning system |
| CN106765903B (en) * | 2016-11-30 | 2019-07-23 | 广东美的制冷设备有限公司 | A kind of control method of the outer blower for air-conditioning system |
| CN107906682A (en) * | 2017-11-03 | 2018-04-13 | 广东美的暖通设备有限公司 | A kind of control method of air-conditioning system, device and air conditioner |
| CN107940691A (en) * | 2017-11-03 | 2018-04-20 | 广东美的暖通设备有限公司 | A kind of control method of air-conditioning system, device and air conditioner |
| CN107940691B (en) * | 2017-11-03 | 2020-04-24 | 广东美的暖通设备有限公司 | Control method and device of air conditioning system and air conditioner |
| CN108626858A (en) * | 2018-05-02 | 2018-10-09 | 广东美的制冷设备有限公司 | Control method, control system, remote controler and the air conditioner of air conditioner |
| CN108895627A (en) * | 2018-05-29 | 2018-11-27 | 广东美的暖通设备有限公司 | The control method of indoor unit |
| CN108895627B (en) * | 2018-05-29 | 2021-03-12 | 广东美的暖通设备有限公司 | Control method of indoor unit |
| CN109539471A (en) * | 2018-11-05 | 2019-03-29 | 珠海格力电器股份有限公司 | Heating high-temperature-prevention adjusting method and air conditioner |
| CN109539471B (en) * | 2018-11-05 | 2019-10-18 | 珠海格力电器股份有限公司 | Heating high-temperature-prevention adjusting method and air conditioner |
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