CN107449190A - A kind of high load capacity refrigeration control method of air-conditioning - Google Patents
A kind of high load capacity refrigeration control method of air-conditioning Download PDFInfo
- Publication number
- CN107449190A CN107449190A CN201710464063.6A CN201710464063A CN107449190A CN 107449190 A CN107449190 A CN 107449190A CN 201710464063 A CN201710464063 A CN 201710464063A CN 107449190 A CN107449190 A CN 107449190A
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- CN
- China
- Prior art keywords
- air
- conditioning
- threshold
- parameter value
- fan
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
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Classifications
-
- 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
- F25B49/00—Arrangement or mounting of control or safety devices
- F25B49/02—Arrangement or mounting of control or safety devices for compression type machines, plants or systems
-
- 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
- F25B2500/07—Exceeding a certain pressure value in a refrigeration component or cycle
-
- 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
- F25B2500/08—Exceeding a certain temperature value in a refrigeration component or cycle
-
- 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
- F25B2600/00—Control issues
- F25B2600/11—Fan speed control
- F25B2600/111—Fan speed control of condenser fans
-
- 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
- F25B2600/00—Control issues
- F25B2600/11—Fan speed control
- F25B2600/112—Fan speed control of evaporator fans
-
- 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
- F25B2700/00—Sensing or detecting of parameters; Sensors therefor
- F25B2700/21—Temperatures
- F25B2700/2103—Temperatures near a heat exchanger
Abstract
The present invention relates to a kind of high load capacity refrigeration control method of air-conditioning, methods described is：The parameter value that air-conditioning is in higher load condition can be reacted come moment collection by sensor, then the parameter value collected is transferred to controller, controller controls the rotating speed of the interior machine of air-conditioning and outer machine by the control method according to program setting condition, using the above method, the parameter value that can be shown air-conditioning and be in higher load condition is gathered using sensor, then the rotating speed of the outdoor unit of air-conditioning and indoor set is adjusted according to the parameter value, so as to reach the effect of control system load, it thus avoid the problem of air-conditioning system can not be run due to hypertonia under severe conditions, greatly improve air-conditioning system reliability of operation and comfortableness under severe conditions.
Description
Technical field
The present invention relates to air-conditioning technical field, more particularly, to a kind of air-conditioning high load capacity refrigeration control method.
Background technology
With expanding economy and the progress of science and technology, people are to the demand more and more higher, more and more tighter comfortably lived
Lattice, the blowing comfortableness to air-conditioning are also more paid attention to.Sweltering heat summer, many air-conditioner sets in the process of running, because of environment
The environment that temperature height or air-conditioning are installed is bad, the pressure of air-conditioner set system can be caused very high, in order to ensure that unit is reliable
Property, it is common practice to increase high temperature-proof defencive function in air-conditioning or pressure switch is set, set when temperature or pressure exceed
During definite value, make compressor out of service, prevent the heavy-duty service of compressor long-time and damage air-conditioning, so that it is guaranteed that air-conditioning system
Reliability, but these modes are used, once there is compressor guarantor in air-conditioning system hypertonia under high temperature or mal-condition
Shield, compressor is out of service can not just to freeze, and from comfortableness angle, under the high temperature conditions with greater need for refrigeration, as protected
Consumer can be caused to complain.
The content of the invention
The technical problems to be solved by the invention are to provide one kind can reduce air conditioner load in the case of high load capacity, and
Air-conditioning is set to remain in that the air-conditioning high load capacity refrigeration control method of operation.
The technical solution adopted in the present invention is a kind of high load capacity refrigeration control method of air-conditioning, and methods described is：Pass through
Sensor, which carrys out moment collection, can react the parameter value that air-conditioning is in higher load condition, then transmit the parameter value collected
To controller, controller controls the rotating speed of the interior machine of air-conditioning and outer machine by the control method according to program setting condition.
The beneficial effects of the invention are as follows：Using the above method, air-conditioning can be shown in high negative to gather using sensor
The parameter value of lotus state, the rotating speed of the outdoor unit of air-conditioning and indoor set is then adjusted according to the parameter value, so as to reach control
The effect of system loading, the problem of air-conditioning system can not be run due to hypertonia under severe conditions is thus avoid, significantly
Improve air-conditioning system reliability of operation and comfortableness under severe conditions.
As preferential, the control method according to program setting condition comprises the following steps：
(1), the parameter value that controller reception sensor collects, obtained parameter value is preset with controller
Threshold value make comparisons；
(2) if, the parameter value be not higher than controller in default first threshold when, into (3)；If the parameter value is high
In controller during default first threshold, into step (4)；If the parameter value is higher than default Second Threshold in controller
When, into step (5)；If the parameter value collected is lowered not more than three threshold values, into step (6)；If institute
When the parameter value collected is lowered not more than pre- four threshold value, into step (7)；
(3), outdoor fan is just run with rotating speed r, and indoor fan remains in that former wind speed setting operation, and returns to step simultaneously
Suddenly (1)；
(4), outdoor fan is run with maximum speed r1, and indoor fan remains in that former wind speed setting operation, and returns simultaneously
Return step (1)；
(5), outdoor fan keeps maximum speed r1 operations, and indoor fan is according to program with certain less than setting rotation speed of fan
One rotating speed operation, and return to step (1) simultaneously；
(6), indoor fan recovers former setting rotation speed of fan operation, and outdoor fan keeps maximum speed r1 operations, and simultaneously
Return to step (1)；
(7), indoor fan keeps former setting rotation speed of fan operation, and outdoor fan rotating speed recovers former rotating speed r operations, and simultaneously
Return to step (1).
As preferential, the sensor can be compressor discharge pressure sensor or outdoor heat exchanger TEMP
Device, the parameter value can be pressure value or temperature value, can detect it separately through compressor discharge pressure sensor
Pressure value, can also be separately through outdoor heat exchanger temperature sensor so as to adjust the rotating speed of the outdoor unit of air-conditioning and indoor set
To detect its temperature value, so as to adjust the rotating speed of the outdoor unit of air-conditioning and indoor set.
As preferential, the Second Threshold is more than first threshold, three threshold values=Second Threshold-return difference parameter, institute
State four threshold values=first threshold-return difference parameter.
Embodiment
Invention is further described below in conjunction with embodiment, to make those skilled in the art with reference to specification word
It can implement according to this, the scope of the present invention is not limited to the embodiment.
The present invention relates to a kind of high load capacity refrigeration control method of air-conditioning, methods described is：Adopted by sensor come the moment
Collection can react the parameter value that air-conditioning is in higher load condition, and the parameter value collected then is transferred into controller, control
Device controls the rotating speed of the interior machine of air-conditioning and outer machine by the control method according to program setting condition.
Embodiment one：
The control method according to program setting condition comprises the following steps：
(1), the pressure value p that controller reception compressor discharge pressure sensor collects, the pressure value p that will be obtained
Made comparisons with controller threshold value set in advance；
(2) if, pressure value p be not higher than controller in default first threshold p1 when, into step (3)；If should
When pressure value p is higher than default first threshold p1 in controller, into step (4)；If pressure value p is higher than pre- in controller
If Second Threshold p2 (p2>When p1), into step (5)；If the pressure value collected is lowered not more than the 3rd threshold value
During p2-n1, wherein n1 is pressure return difference parameter, into step (6)；If the pressure value collected is lowered not more than the 4th
During threshold value p1-n3, wherein n1 is pressure return difference parameter, into step (7)；
(3), outdoor fan is just run with rotating speed r, and indoor fan remains in that former wind speed setting operation, and returns to step simultaneously
Suddenly (1)；
(4), outdoor fan is run with maximum speed r1, and indoor fan remains in that former wind speed setting operation, and returns simultaneously
Return step (1)；
(5), outdoor fan keeps maximum speed r1 operations, and indoor fan is according to program with certain less than setting rotation speed of fan
One rotating speed operation, and return to step (1) simultaneously；
(6), indoor fan recovers former setting rotation speed of fan operation, and outdoor fan keeps maximum speed r1 operations, and simultaneously
Return to step (1)；
(7), indoor fan keeps former setting rotation speed of fan operation, and outdoor fan rotating speed recovers former rotating speed r operations, and simultaneously
Return to step (1).
Embodiment two：
The control method according to program setting condition comprises the following steps：
(1), the temperature value t that controller reception outdoor heat exchanger temperature sensor collects, the temperature value t that will be obtained
Made comparisons with controller threshold value set in advance；
(2) if, temperature value t be not higher than controller in default first threshold t1 when, into step (3)；If should
When temperature value t is higher than default first threshold t1 in controller, into step (4)；If temperature value t is higher than pre- in controller
If Second Threshold t2 (t2>When t1), into step (5)；If the temperature value collected is lowered not more than the 3rd threshold value
During t2-n2, wherein n2 is temperature return difference parameter, into step (6)；If the temperature value collected is lowered not more than the 4th
During threshold value t1-n4, wherein n4 is temperature return difference parameter, into step (7)；
(3), outdoor fan is just run with rotating speed r, and indoor fan remains in that former wind speed setting operation, and returns to step simultaneously
Suddenly (1)；
(4), outdoor fan is run with maximum speed r1, and indoor fan remains in that former wind speed setting operation, and returns simultaneously
Return step (1)；
(5), outdoor fan keeps maximum speed r1 operations, and indoor fan is according to program with certain less than setting rotation speed of fan
One rotating speed operation, and return to step (1) simultaneously；
(6), indoor fan recovers former setting rotation speed of fan operation, and outdoor fan keeps maximum speed r1 operations, and simultaneously
Return to step (1)；
(7), indoor fan keeps former setting rotation speed of fan operation, and outdoor fan rotating speed recovers former rotating speed r operations, and simultaneously
Return to step (1).
Multi gear is can be set in the outdoor unit wind speed, and outer blower fan can be thus stepped up according to air-conditioning system pressure and is turned
Speed, to ensure system pressure in zone of reasonableness.
In step (5), program can specifically be realized, example with being run less than setting rotation speed of fan using air speed value is reduced
Such as：Original sets high wind shelves 1100r/min, when the pressure value (or temperature value) collected, is limited higher than preset pressure (or temperature)
During value, inner blower rotating speed reduce certain numerical value (such as 100 turns), if after air rate adjustment pressure value (or temperature value) remain above it is default
Pressure (or temperature) limit value, it can continue to reduce rotating speed.
Claims (4)
1. the high load capacity refrigeration control method of a kind of air-conditioning, it is characterised in that methods described is：Gathered by sensor come the moment
The parameter value that air-conditioning is in higher load condition can be reacted, the parameter value collected is then transferred to controller, controller
The rotating speed of the interior machine of air-conditioning and outer machine is controlled by the control method according to program setting condition.
2. the high load capacity refrigeration control method of described a kind of air-conditioning according to claim 1, it is characterised in that according to journey
The control method that sequence imposes a condition comprises the following steps：
(1), the parameter value that controller reception sensor collects, by obtained parameter value and controller threshold set in advance
Value is made comparisons；
(2) if, the parameter value be not higher than controller in default first threshold when, into (3)；If the parameter value is higher than control
In device processed during default first threshold, into step (4)；If the parameter value is higher than default Second Threshold in controller,
Into step (5)；If the parameter value collected is lowered not more than three threshold values, into step (6)；If gathered
To parameter value be lowered not more than pre- four threshold value when, into step (7)；
(3), outdoor fan is just run with rotating speed r, and indoor fan remains in that former wind speed setting operation, and return to step simultaneously
(1)；
(4), outdoor fan is run with maximum speed r1, and indoor fan remains in that former wind speed setting operation, and returns to step simultaneously
Suddenly (1)；
(5), outdoor fan keeps maximum speed r1 operations, and indoor fan is according to program with some less than setting rotation speed of fan
Rotating speed is run, and return to step (1) simultaneously；
(6), indoor fan recovers former setting rotation speed of fan operation, and outdoor fan keeps maximum speed r1 operations, and returns simultaneously
Step (1)；
(7), indoor fan keeps former setting rotation speed of fan operation, and outdoor fan rotating speed recovers former rotating speed r operations, and returns simultaneously
Step (1).
A kind of 3. high load capacity refrigeration control method of air-conditioning according to claim 1 or claim 2, it is characterised in that
The sensor can be compressor discharge pressure sensor or outdoor heat exchanger temperature sensor, and the parameter value can be with
It is pressure value or temperature value, its pressure value can be detected separately through compressor discharge pressure sensor, so as to adjust sky
The outdoor unit of tune and the rotating speed of indoor set, its temperature value can also be detected separately through outdoor heat exchanger temperature sensor, from
And adjust the outdoor unit of air-conditioning and the rotating speed of indoor set.
A kind of 4. high load capacity refrigeration control method of air-conditioning according to claim 2, it is characterised in that the Second Threshold
More than first threshold, three threshold values=Second Threshold-return difference parameter, four threshold values=first threshold-return difference parameter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710464063.6A CN107449190A (en) | 2017-06-19 | 2017-06-19 | A kind of high load capacity refrigeration control method of air-conditioning |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710464063.6A CN107449190A (en) | 2017-06-19 | 2017-06-19 | A kind of high load capacity refrigeration control method of air-conditioning |
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| Publication Number | Publication Date |
|---|---|
| CN107449190A true CN107449190A (en) | 2017-12-08 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201710464063.6A Pending CN107449190A (en) | 2017-06-19 | 2017-06-19 | A kind of high load capacity refrigeration control method of air-conditioning |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111023409A (en) * | 2019-11-25 | 2020-04-17 | 宁波奥克斯电气股份有限公司 | High-temperature-prevention control method and system, storage medium and air conditioner |
| CN111380147A (en) * | 2020-03-30 | 2020-07-07 | 宁波奥克斯电气股份有限公司 | Variable frequency air conditioner overload control method and device and variable frequency air conditioner |
| CN112212473A (en) * | 2019-07-10 | 2021-01-12 | 青岛海尔（胶州）空调器有限公司 | Refrigeration control method of fixed-frequency air conditioner under high-temperature working condition |
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| CN105650817A (en) * | 2016-01-25 | 2016-06-08 | 美的集团武汉制冷设备有限公司 | Control method and control device of air-conditioner, and air-conditioner |
| EP3076112A1 (en) * | 2011-12-12 | 2016-10-05 | Indesit Company S.p.A. | Method and device for controlling a refrigerating appliance, and refrigerating appliance implementing said method |
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2017
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Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1699865A (en) * | 2004-05-21 | 2005-11-23 | Lg电子株式会社 | Apparatus and method for controlling air-conditioner |
| CN101469927A (en) * | 2007-12-24 | 2009-07-01 | 苏州三星电子有限公司 | Control method for compressor stop time minimization in heating excess load protection action |
| CN102147126A (en) * | 2010-02-08 | 2011-08-10 | 三星电子株式会社 | Air conditioner and control method thereof |
| EP3076112A1 (en) * | 2011-12-12 | 2016-10-05 | Indesit Company S.p.A. | Method and device for controlling a refrigerating appliance, and refrigerating appliance implementing said method |
| CN105650817A (en) * | 2016-01-25 | 2016-06-08 | 美的集团武汉制冷设备有限公司 | Control method and control device of air-conditioner, and air-conditioner |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112212473A (en) * | 2019-07-10 | 2021-01-12 | 青岛海尔（胶州）空调器有限公司 | Refrigeration control method of fixed-frequency air conditioner under high-temperature working condition |
| CN111023409A (en) * | 2019-11-25 | 2020-04-17 | 宁波奥克斯电气股份有限公司 | High-temperature-prevention control method and system, storage medium and air conditioner |
| CN111380147A (en) * | 2020-03-30 | 2020-07-07 | 宁波奥克斯电气股份有限公司 | Variable frequency air conditioner overload control method and device and variable frequency air conditioner |
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Application publication date: 20171208 |