CN106403118A - High-temperature refrigeration air conditioner system and control method thereof - Google Patents
High-temperature refrigeration air conditioner system and control method thereof Download PDFInfo
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- CN106403118A CN106403118A CN201611088928.5A CN201611088928A CN106403118A CN 106403118 A CN106403118 A CN 106403118A CN 201611088928 A CN201611088928 A CN 201611088928A CN 106403118 A CN106403118 A CN 106403118A
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- air conditioning
- conditioning system
- compressor
- heat exchanger
- gas outlet
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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
- F24F5/00—Air-conditioning systems or apparatus not covered by F24F1/00 or F24F3/00, e.g. using solar heat or combined with household units such as an oven or water heater
- F24F5/0003—Exclusively-fluid systems
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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
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/62—Control or safety arrangements characterised by the type of control or by internal processing, e.g. using fuzzy logic, adaptive control or estimation of values
-
- 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
- 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
- F25B13/00—Compression machines, plants or systems, with reversible 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
- F25B41/00—Fluid-circulation arrangements
- F25B41/30—Expansion means; Dispositions thereof
-
- 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
- F25B43/00—Arrangements for separating or purifying gases or liquids; Arrangements for vaporising the residuum of liquid refrigerant, e.g. by heat
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- 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
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/62—Control or safety arrangements characterised by the type of control or by internal processing, e.g. using fuzzy logic, adaptive control or estimation of values
- F24F11/63—Electronic processing
- F24F11/64—Electronic processing using pre-stored data
Abstract
The invention relates to the technical field of air conditioners, and discloses a high-temperature refrigeration air conditioner system and a control method thereof. The system comprises a compressor, an outdoor heat exchanger, a throttling device and an indoor heat exchanger, all of which can form a refrigeration loop or heating loop. The system further comprises a bypass pipeline in parallel connection with the outdoor heat exchanger. An auxiliary heat exchanger and an electromagnetic adjusting component are arranged on the bypass pipeline. The system further comprises a pressure sensor arranged on an air outlet of the compressor, wherein the pressure sensor detects the pressure of the air outlet of the compressor, and therefore the electromagnetic adjusting component is controlled to carry out corresponding action so as to connect or disconnect the bypass pipeline. The air conditioner system has the beneficial effects of being free in starting running, good in refrigeration effect and high in whole machine energy efficiency.
Description
Technical field
The present invention relates to air-conditioning technical field, more particularly to a kind of high-temperature refrigeration air conditioning system and its control method.
Background technology
Current air conditioning unit in high-temperature refrigeration, because outdoor ambient temperature is higher, thus leading to radiating effect relatively
Difference, when its off-premises station runs, frequently can lead to that pressure is very high so that system easily enters the state of high voltage protective, wherein, special
It is not particularly evident during frequency unit generation high voltage protective for determining, if frequency changer, its frequency can decline, but simultaneously
The refrigerating capacity of whole machine can be reduced, thus comfort sense cannot be brought to user.In order to avoid air conditioning unit can be in high-temperature refrigeration
When there is not the situation of high voltage protective, generally by the way of improving the heat exchange efficiency of condenser of outside, to reduce air-conditioning system
The high-pressure of system, i.e. by improving the rotating speed of outdoor fan, to reduce the high-pressure of air conditioning system.But the disadvantage of the method
The efficiency that end is to increase cost and reduces whole machine.Additionally, also having to drop using the aperture tuning up choke valve in existing method
The mode of the high-pressure of low latitude adjusting system, but this method can reduce the refrigerating capacity of whole machine, reduce its refrigeration.
For this reason, it may be necessary to design a kind of high-temperature refrigeration air conditioning system and its control method, to overcome drawbacks described above so that air-conditioning
System, under the pattern of high-temperature refrigeration, is not only able to operation of freely starting shooting, and can also keep good refrigeration, thus carrying
Rise the efficiency of whole machine, bring good comfort to user.
Content of the invention
(1) technical problem to be solved
It is an object of the invention to provide a kind of high-temperature refrigeration air conditioning system and its control method, of the prior art to solve
Air conditioning system under high-temperature refrigeration pattern, because radiating effect is poor so that off-premises station run when, often lead to pressure very
Height is so that air conditioning system is easily accessible the problem of the state of high voltage protective.
(2) technical scheme
In order to solve above-mentioned technical problem, according to the first aspect of the invention, provide a kind of high-temperature refrigeration air conditioning system, bag
Include：Refrigerating circuit or the compressor, outdoor heat exchanger, throttling arrangement and the indoor heat exchanger that heat loop can be formed, also
Including with described outdoor heat exchanger be in parallel setting bypass line, described bypass line is respectively equipped with supplementary heat exchanger and
Electromagnetism adjustment part；And it is arranged on the pressure transducer of the gas outlet of described compressor, wherein, by described pressure transducer
Detect the pressure of the gas outlet of described compressor, thus controlling described electromagnetism adjustment part to carry out corresponding action to connect on-off
Open described bypass line.
Wherein, described supplementary heat exchanger includes the fin being arranged on the periphery wall of described bypass line, wherein, described wing
The internal structure of piece has receiving space, equipped with heat transfer medium in described receiving space.
Wherein, described fin is multiple and the setting in compartment.
Wherein, described air conditioning system also includes the coolant that gas-liquid two-phase mixes can carry out the gas-liquid separation of gas-liquid separation
Device, wherein, described gas-liquid separator is connected with the gas returning port of described compressor.
Wherein, described indoor heat exchanger, described throttling arrangement and described outdoor heat exchanger are sequentially connected, described compressor
It is connected with described indoor heat exchanger and described outdoor heat exchanger respectively by four-way reversing arrangement.
Wherein, described air conditioning system also includes the first filter and the second filter being capable of impurity screening, wherein, described
First filter and described second filter are separately positioned on the both sides of described throttling arrangement.
According to the second aspect of the invention, a kind of control method of high-temperature refrigeration air conditioning system is also provided, including：Set empty
The pressure voltage of adjusting system is respectively the first preset value and the second preset value and makes the second preset value be less than the first preset value；Obtain
The pressure value of the gas outlet of compressor；The pressure value of the gas outlet of compressor is compared with the first preset pressure value, works as pressure
When the pressure value of the gas outlet of contracting machine is more than or equal to the first preset value, then show that air conditioning system is in high-temperature refrigeration pattern, thus
Open electromagnetism adjustment part and coolant is carried out assist heat exchange by described supplementary heat exchanger；Pressure by the gas outlet of compressor
Force value is compared with the second preset pressure value less than the first preset pressure value, when the pressure value of the gas outlet of compressor is less than
During the second preset value, then electromagnetism adjustment part is shut off such that air conditioning system enters common refrigeration mode.
Wherein, when described air conditioning system is in high-temperature refrigeration pattern, then by open electromagnetism adjustment part so that from
The Part I coolant that the gas outlet of compressor is flowed out is transported in described outdoor heat exchanger and carries out heat exchange, meanwhile, will be from institute
State compressor gas outlet flow out Part II coolant be transported in described supplementary heat exchanger carry out assist heat exchange.
Wherein, described first preset pressure value is in the pressure of the gas outlet of compressor during high-temperature refrigeration for air conditioning system
Value, described second preset pressure value is to make air conditioning system be the pressure value of normal refrigeration mode from high-temperature refrigeration pattern switching.
(3) beneficial effect
The high-temperature refrigeration air conditioning system that the present invention provides, compared with prior art, has the advantage that：
The air conditioning system of the application is by setting up pressure transducer such that it is able to according to compressor in the gas outlet of compressor
The pressure of gas outlet the opening and closing to control electromagnetism adjustment part for the change.Further, once pressure transducer is examined
When measuring the pressure of the gas outlet of compressor and being in the pressure value of the gas outlet of compressor during high-temperature refrigeration more than air conditioning system, then
Above-mentioned electromagnetism adjustment part need to be opened, a part of coolant in compressor is transported in outdoor heat exchanger and carries out heat exchange, separately
A part of coolant is transported in supplementary heat exchanger and carries out auxiliary heat-exchanging, so just can play the work of shunting, partial pressure, enhanced heat exchange
With thus greatly reducing operating pressure under worst hot case for the air conditioning system and temperature, further, serving and preventing sky
Adjusting system enters into the effect of the state of high voltage protective it is ensured that the refrigeration of air conditioning system, meanwhile, also improves this air-conditioning
The efficiency of system.
Brief description
Fig. 1 is the overall structure diagram of the high-temperature refrigeration air conditioning system of embodiments herein；
Fig. 2 is the overall structure diagram of the supplementary heat exchanger in Fig. 1；
Fig. 3 is the steps flow chart schematic diagram of the control method of high-temperature refrigeration air conditioning system of embodiments herein.
In figure, 100：Air conditioning system；1：Compressor；11：The gas outlet of compressor；12：The gas returning port of compressor；2：Outdoor
Heat exchanger；3：Throttling arrangement；4：Indoor heat exchanger；5：Bypass line；6：Supplementary heat exchanger；61：Fin；7：Electromagnetism adjustment portion
Part；8：Pressure transducer；9：Gas-liquid separator device；10：Four-way reversing arrangement；20：First filter；30：Second filter.
Specific embodiment
With reference to the accompanying drawings and examples, the specific embodiment of the present invention is described in further detail.Following instance
For the present invention is described, but it is not limited to the scope of the present invention.
In describing the invention, it should be noted that unless otherwise clearly defined and limited, term " installation ", " phase
Even ", " connection " should be interpreted broadly, for example, it may be being fixedly connected or being detachably connected, or is integrally connected；Can
To be to be mechanically connected or electrical connection；Can be to be joined directly together it is also possible to be indirectly connected to by intermediary, Ke Yishi
The connection of two element internals.For the ordinary skill in the art, above-mentioned term can be understood at this with concrete condition
Concrete meaning in invention.
As shown in figure 1, Fig. 1 show schematically show this air conditioning system 100 and including forming refrigerating circuit or heat
The compressor 1 in loop, outdoor heat exchanger 2, throttling arrangement 3, indoor heat exchanger 4, bypass line 5, supplementary heat exchanger 6, electromagnetism are adjusted
Section part 7 and pressure transducer 8.
In embodiments herein, compressor 1, outdoor heat exchanger 2, throttling arrangement 3 and indoor heat exchanger 4 being capable of shapes
Become refrigerating circuit or heat loop.
Above-mentioned bypass line 5 and outdoor heat exchanger 2 are in parallel setting, be respectively equipped with auxiliary and change on this bypass line 5
Hot device 6 and electromagnetism adjustment part 7.It should be noted that this supplementary heat exchanger 6 can be finned heat exchanger, this electromagnetism adjustment portion
Part 7 can be electromagnetic valve.Easy to understand, the setting of this electromagnetism adjustment part 7 primarily serves the work of the break-make controlling this bypass line 5
With, thus, this electromagnetism adjustment part 7 is alternatively check valve.
This pressure transducer 8 is arranged on the gas outlet 11 of compressor 1, wherein, detects compressor by this pressure transducer 8
The pressure value of 1 gas outlet 11, thus control electromagnetism adjustment part 7 to carry out corresponding action to be switched on or switched off bypass line 5.
As can be seen here, by setting up pressure transducer 8 such that it is able to gas outlet 11 according to compressor 1 in the gas outlet 11 of compressor 1
Pressure the opening and closing to control electromagnetism adjustment part 7 for the change.Further, once pressure transducer 8 detects pressure
The pressure of the gas outlet 11 of contracting machine 1 is in the pressure value of the gas outlet 11 of compressor 1 during high-temperature refrigeration more than air conditioning system 100
When, then need to open above-mentioned electromagnetism adjustment part 7, a part of coolant in compressor 1 is transported in outdoor heat exchanger 2 and carries out
Heat exchange, another part coolant is transported in supplementary heat exchanger 6 and carries out auxiliary heat-exchanging, so just can play shunting, partial pressure, strengthening
The effect of heat exchange, thus greatly reducing operating pressure under worst hot case for the air conditioning system 100 and temperature, further,
Serve the effect of the state preventing air conditioning system 100 from entering into high voltage protective it is ensured that the refrigeration of air conditioning system 100,
Meanwhile, also improve the efficiency of this air conditioning system 100.
As depicted in figs. 1 and 2, in an embodiment of the application, this supplementary heat exchanger 6 includes being arranged on bypass line
Fin 61 on 5 periphery wall, wherein, the internal structure of this fin 61 has receiving space, equipped with heat transfer in this receiving space
Medium.It should be noted that this heat transfer medium can be liquid heat transfer medium.Specifically, when coolant flows through this bypass line 5,
This coolant can carry out heat exchange with the heat transfer medium in fin 61, thus by the heat transfer of this coolant to heat transfer medium, and make
Coolant be cooled to liquid, this heat transfer medium absorb coolant heat after can become gaseous state, become gaseous coolant again with fin
61 flows outside air carries out heat exchange, thus realizing for the heat of coolant transferring in the air, further, it is right to have reached
The purpose of the shunting of coolant, partial pressure and enhanced heat exchange, further, reduces operation pressure under worst hot case for the air conditioning system 100
Power and temperature, it is to avoid the phenomenon that protection is shut down occurs.
In another embodiment of the application, this fin 61 is multiple and the setting in compartment.So, due to fin
The increasing of 61 number, such that it is able to play the effect of the shunting, partial pressure and enhanced heat exchange of accelerating coolant.
As shown in figure 1, in an embodiment of the application, this air conditioning system 100 also includes to mix gas-liquid two-phase
The coolant closing carries out the gas-liquid separator 9 of gas-liquid separation, and wherein, this gas-liquid separator 9 is connected with the gas returning port 12 of compressor 1.
Easy to understand, by the setting of this gas-liquid separator 9, it is capable of the gas-liquid separation to coolant, it is to avoid liquid coolant enters into
Lead to compressor 1 that the phenomenon of liquid hammer occurs in compressor 1.
In another embodiment, this indoor heat exchanger 4, throttling arrangement 3 and outdoor heat exchanger 2 are sequentially connected, this pressure
Contracting machine 1 is connected with outdoor heat exchanger 2 and indoor heat exchanger 4 respectively by four-way reversing arrangement 10.It should be noted that this four
Logical reversing arrangement 10 can be four-way change-over valve or two check valves in parallel setting, the setting of this four-way reversing arrangement 10,
Primarily serve and realize above-mentioned refrigerating circuit and the effect of the mutual switching that heats loop.
As shown in figure 1, in one embodiment, this air conditioning system 100 also includes the first filter being capable of impurity screening
20 and second filter 30, wherein, the first filter 20 and the second filter 30 are separately positioned on the both sides of throttling arrangement 3.This
Sample, because air conditioning system 100 is when being heated or freeze, flow direction in pipeline for the coolant is contrary, thus, in order to ensure
The cleannes of the coolant flowing out from indoor heat exchanger 4 and outdoor heat exchanger 2, by setting up the first filter 20 and the second filtration
Device 30 just can avoid containing impurity in coolant, further, it is to avoid blocking for coolant flowing pipeline it is ensured that coolant smooth
Flowing.
In one embodiment, the heat transfer medium in this fin 61 can be low-boiling cold-producing medium or ethanol etc..
As shown in figure 3, according to a further aspect in the invention, additionally provide a kind of controlling party of high-temperature refrigeration air conditioning system
Method, the method includes：
Step S1：The pressure voltage setting air conditioning system 100 is respectively the first preset value and the second preset value, and make this
Two preset values are less than the first preset value.It should be noted that this first preset value is in high-temperature refrigeration pattern for air conditioning system 100
When pressure value, this second preset value is so that air conditioning system 100 exits the pressure value of high-temperature refrigeration pattern.In addition, by making
Obtain this second preset value and be less than the first preset value, once pressure transducer 8 then can be avoided the gas outlet 11 of compressor 1 is detected
Pressure value be shut off less than the first preset pressure value, be switched on more than the first preset pressure value, thus leading to electromagnetism adjustment portion
The situation that part 7 is damaged because frequently switching on.
Step S2：Obtain the pressure value of the gas outlet 11 of compressor 1.Specifically, compressor is obtained by pressure transducer 8
The pressure value of 1 gas outlet 11.
Step S3：The pressure value of the gas outlet 11 of compressor 1 and the first preset pressure value are compared, when compressor 1
Gas outlet 11 pressure value be more than or equal to the first preset value when, then show that air conditioning system 100 is in high-temperature refrigeration pattern, thus
Open electromagnetism adjustment part 7 and coolant is carried out assist heat exchange by supplementary heat exchanger 6.Specifically, when pressure transducer 8 one
When denier detects the pressure value of the gas outlet 11 of compressor 1 more than or equal to the first preset value, then open electromagnetism adjustment part 7, will
A part of coolant is transported in outdoor heat exchanger 2 and carries out heat exchange, meanwhile, another part coolant is transported to supplementary heat exchanger 6
In carry out heat exchange, i.e. when coolant flows through this bypass line 5, this coolant can carry out heat exchange with the heat transfer medium in fin 61,
Thus by the heat transfer of this coolant to heat transfer medium, and making coolant be cooled to liquid, this heat transfer medium absorbs the heat of coolant
Gaseous state can be become after amount, become gaseous coolant and carry out heat exchange with the flows outside air of fin 61 again, thus realization will be cold
The heat of matchmaker transfers in the air, further, has reached the purpose of the shunting to coolant, partial pressure and enhanced heat exchange, further
Ground, reduces operating pressure under worst hot case for the air conditioning system 100 and temperature, it is to avoid the phenomenon that protection is shut down.
Step S4：By the pressure value of the gas outlet 11 of compressor 1 and the second preset pressure less than the first preset pressure value
Value is compared, when compressor 1 gas outlet 11 pressure value be less than the second preset value when, then electromagnetism adjustment part 7 close with
Air conditioning system 100 is made to enter normal refrigeration mode.
In one embodiment, when this air conditioning system 100 is in high-temperature refrigeration pattern, then by opening electromagnetism adjustment portion
Part 7 carries out heat exchange so that being transported to outdoor heat exchanger 2 from the Part I coolant of the gas outlet 11 of compressor 1 outflow,
Meanwhile, the Part II coolant flowing out from the gas outlet 11 of compressor 1 is transported in supplementary heat exchanger 6 and carries out assisting heat friendship
Change.
In one embodiment, this first preset pressure value is in going out of compressor 1 during high-temperature refrigeration for air conditioning system 100
The pressure value of QI KOU 11, this second preset pressure value is to make air conditioning system 100 be common refrigeration from high-temperature refrigeration pattern switching
The pressure value of pattern.Wherein, this first preset value, the second preset value, the first preset pressure value and the second preset pressure value
Specific size can be set accordingly according to actual situation.
In one embodiment of the invention, above-mentioned first preset value, the second preset value, the first preset pressure value and
The setting of two preset pressure values is controlled by main controller, and opening of electromagnetism adjustment part 7 is supervised by pressure transducer 8
Survey and be controlled by main controller.However, it is necessary to explanation, the concrete structure of main controller and effect are those skilled in the art
Well known to member, thus, it is not described further herein.
In sum, the air conditioning system 100 of the application is passed through to set up pressure transducer 8 in the gas outlet 11 of compressor 1, from
And the opening and closing of electromagnetism adjustment part 7 can be controlled according to the change of the pressure of the gas outlet 11 of compressor 1.Further
Ground, when detecting the pressure of the gas outlet 11 of compressor 1 and being in high-temperature refrigeration more than air conditioning system 100 once pressure transducer 8
During the pressure value of gas outlet 11 of compressor 1, then need to open above-mentioned electromagnetism adjustment part 7, will be a part of cold in compressor 1
Matchmaker is transported in outdoor heat exchanger 2 and carries out heat exchange, and another part coolant is transported in supplementary heat exchanger 6 and carries out auxiliary heat-exchanging, this
Sample just can play the effect of shunting, partial pressure, enhanced heat exchange, thus greatly reducing air conditioning system 100 under worst hot case
Operating pressure and temperature, further, serve the effect of the state preventing air conditioning system 100 from entering into high voltage protective, protect
Demonstrate,prove the refrigeration of air conditioning system 100, also improve the efficiency of this air conditioning system 100 meanwhile.
The foregoing is only presently preferred embodiments of the present invention, not in order to limit the present invention, all essences in the present invention
Within god and principle, any modification, equivalent substitution and improvement made etc., should be included within the scope of the present invention.
Claims (9)
1. a kind of high-temperature refrigeration air conditioning system, including can form refrigerating circuit or heat the compressor in loop, outdoor heat exchange
Device, throttling arrangement and indoor heat exchanger are it is characterised in that also include being in the bypass of parallel setting with described outdoor heat exchanger
Pipeline, described bypass line is respectively equipped with supplementary heat exchanger and electromagnetism adjustment part；And
It is arranged on the pressure transducer of the gas outlet of described compressor, wherein, described compression is detected by described pressure transducer
The pressure of the gas outlet of machine, thus control described electromagnetism adjustment part to carry out corresponding action to be switched on or switched off described bypass pipe
Road.
2. high-temperature refrigeration air conditioning system according to claim 1 is it is characterised in that described supplementary heat exchanger includes being arranged on
Fin on the periphery wall of described bypass line, wherein, the internal structure of described fin has receiving space, in described receiving space
In equipped with heat transfer medium.
3. high-temperature refrigeration air conditioning system according to claim 2 is it is characterised in that described fin is multiple and in interval
Formula is arranged.
4. high-temperature refrigeration air conditioning system according to claim 1 it is characterised in that described air conditioning system also include can be by
The coolant of gas-liquid two-phase mixing carries out the gas-liquid separator of gas-liquid separation, wherein, described gas-liquid separator and described compressor
Gas returning port connects.
5. high-temperature refrigeration air conditioning system according to claim 1 is it is characterised in that described indoor heat exchanger, described throttling
Device and described outdoor heat exchanger are sequentially connected, described compressor pass through four-way reversing arrangement respectively with described indoor heat exchanger
And described outdoor heat exchanger connects.
6. high-temperature refrigeration air conditioning system according to claim 1 it is characterised in that described air conditioning system also include being capable of mistake
First filter of filter impurity and the second filter, wherein, described first filter and described second filter are separately positioned on
The both sides of described throttling arrangement.
7. a kind of control method of high-temperature refrigeration air conditioning system is it is characterised in that include：
The pressure voltage setting air conditioning system is respectively the first preset value and the second preset value and makes the second preset value be less than first
Preset value；
Obtain the pressure value of the gas outlet of compressor；
The pressure value of the gas outlet of compressor is compared with the first preset pressure value, when the pressure value of the gas outlet of compressor
During more than or equal to the first preset value, then show that air conditioning system is in high-temperature refrigeration pattern, thus opening electromagnetism adjustment part and leading to
Cross described supplementary heat exchanger coolant to be carried out assist heat exchange；
The pressure value of the gas outlet of compressor is compared with the second preset pressure value less than the first preset pressure value, works as pressure
When the pressure value of the gas outlet of contracting machine is less than the second preset value, then electromagnetism adjustment part is shut off such that air conditioning system enters commonly
Refrigeration mode.
8. method according to claim 7 is it is characterised in that when described air conditioning system is in high-temperature refrigeration pattern, then
Changed so that being transported to described outdoor from the Part I coolant of the gas outlet of compressor outflow by opening electromagnetism adjustment part
Carry out heat exchange in hot device, meanwhile, the Part II coolant flowing out from the gas outlet of described compressor is transported to described auxiliary
Carry out in heat exchanger assisting heat exchange.
9. method according to claim 7 is it is characterised in that described first preset pressure value is in high temperature for air conditioning system
The pressure value of the gas outlet of compressor during refrigeration, described second preset pressure value is that air conditioning system is cut from high-temperature refrigeration pattern
It is changed to the pressure value of normal refrigeration mode.
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| CN201611088928.5A CN106403118A (en) | 2016-11-30 | 2016-11-30 | High-temperature refrigeration air conditioner system and control method thereof |
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| CN201611088928.5A CN106403118A (en) | 2016-11-30 | 2016-11-30 | High-temperature refrigeration air conditioner system and control method thereof |
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| CN109869952A (en) * | 2018-12-24 | 2019-06-11 | 珠海格力电器股份有限公司 | A kind of air-conditioning system and its blowdown control method |
| CN111578467A (en) * | 2020-05-12 | 2020-08-25 | 广东美的制冷设备有限公司 | Control method of air conditioning system and air conditioning system |
| CN113587484A (en) * | 2020-04-30 | 2021-11-02 | 广东美的制冷设备有限公司 | Air conditioning system, air conditioning pressure detection method and computer readable storage medium |
| CN114198857A (en) * | 2021-11-17 | 2022-03-18 | 青岛海尔空调电子有限公司 | Air conditioner control method and air conditioner system |
| CN115013939A (en) * | 2022-04-22 | 2022-09-06 | 美的集团武汉暖通设备有限公司 | Self-cleaning method for air conditioner, operation control device and storage medium |
| WO2022233135A1 (en) * | 2021-05-06 | 2022-11-10 | 青岛海尔空调器有限总公司 | Outdoor unit of air conditioner, air conditioner, air conditioner control method and apparatus, and device and medium |
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| CN109869952A (en) * | 2018-12-24 | 2019-06-11 | 珠海格力电器股份有限公司 | A kind of air-conditioning system and its blowdown control method |
| CN113587484A (en) * | 2020-04-30 | 2021-11-02 | 广东美的制冷设备有限公司 | Air conditioning system, air conditioning pressure detection method and computer readable storage medium |
| CN113587484B (en) * | 2020-04-30 | 2023-04-07 | 广东美的制冷设备有限公司 | Air conditioning system, air conditioning pressure detection method and computer readable storage medium |
| CN111578467A (en) * | 2020-05-12 | 2020-08-25 | 广东美的制冷设备有限公司 | Control method of air conditioning system and air conditioning system |
| WO2022233135A1 (en) * | 2021-05-06 | 2022-11-10 | 青岛海尔空调器有限总公司 | Outdoor unit of air conditioner, air conditioner, air conditioner control method and apparatus, and device and medium |
| CN114198857A (en) * | 2021-11-17 | 2022-03-18 | 青岛海尔空调电子有限公司 | Air conditioner control method and air conditioner system |
| CN114198857B (en) * | 2021-11-17 | 2023-02-28 | 青岛海尔空调电子有限公司 | Air conditioner control method and air conditioner system |
| CN115013939A (en) * | 2022-04-22 | 2022-09-06 | 美的集团武汉暖通设备有限公司 | Self-cleaning method for air conditioner, operation control device and storage medium |
| CN115013939B (en) * | 2022-04-22 | 2024-03-26 | 美的集团武汉暖通设备有限公司 | Self-cleaning method of air conditioner, operation control device and storage medium |
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Application publication date: 20170215 |