阅读说明：本技术 空调及其控制方法、计算机可读存储介质 (Air-conditioning and its control method, computer readable storage medium ) 是由 刘金霖 陈伟 雷海涛 于 2019-08-30 设计创作，主要内容包括：本发明公开了一种空调,该空调包括依次连通以形成冷媒循环回路的压缩机、第一换热器、冷媒泵和第二换热器；所述空调进一步包括有闪蒸旁通单向阀,所述闪蒸旁通单向阀的一端与所述冷媒泵的出口连通,另一端与所述第一换热器的入口连通；当所述闪蒸旁通单向阀开启时,所述压缩机停机,所述冷媒泵、所述闪蒸旁通单向阀及所述第一换热器形成内部回路。本发明还公开一种空调的控制方法及计算机可读存储介质。本发明的技术方案能消除空调在压缩机切换成冷媒泵运行时,由于冷媒压力突然降低造成的闪蒸现象。(The invention discloses a kind of air-conditioning, which includes being sequentially communicated to form the compressor of refrigerant circulation circuit, First Heat Exchanger, refrigerant pump and the second heat exchanger；The air-conditioning further comprises having flash distillation bypass check valve, and one end of the flash distillation bypass check valve and the outlet of the refrigerant pump, the other end are connected to the entrance of the First Heat Exchanger；When flash distillation bypass check valve is opened, the compressor shutdown, the refrigerant pump, flash distillation bypass check valve and the First Heat Exchanger form home loop.Invention additionally discloses a kind of control method of air-conditioning and computer readable storage mediums.Technical solution of the present invention can eliminate air-conditioning when compressor switches to refrigerant pump operation, flass caused by being reduced suddenly as refrigerant pressure.)

1. a kind of air-conditioning characterized by comprising

It is sequentially communicated to form the compressor of refrigerant circulation circuit, First Heat Exchanger, refrigerant pump and the second heat exchanger；

The air-conditioning further comprises having flash distillation bypass check valve, one end of the flash distillation bypass check valve and the refrigerant pump Outlet, the other end are connected to the entrance of the First Heat Exchanger；

When the flash distillation bypass check valve open when, the compressor shutdown, the refrigerant pump, the flash distillation bypass check valve and The First Heat Exchanger forms home loop.

2. air-conditioning as described in claim 1, which is characterized in that when the air-conditioning is refrigeration mode, the First Heat Exchanger For condenser, second heat exchanger is evaporator.

3. air-conditioning as claimed in claim 2, which is characterized in that the air-conditioning has refrigerant pump by-passing valve, by the refrigerant pump It is connected to after parallel connection with the entrance of the evaporator between port valve and the refrigerant pump.

4. air-conditioning as claimed in claim 3, which is characterized in that the air-conditioning further includes pressure pan, one end of the pressure pan With the outlet of the condenser, the connection of the entrance of other end and the refrigerant pump.

5. air-conditioning as claimed in claim 4, which is characterized in that the air-conditioning further includes night vision goggles, and the night vision goggles setting exists On the connecting line of the pressure pan and the refrigerant pump.

6. the air-conditioning as described in claim 2-5 any one, which is characterized in that the air-conditioning has compressor bypass unidirectional Valve is connected to after parallel connection with the entrance of the condenser between the compressor bypass check valve and the compressor.

7. air-conditioning as claimed in claim 6, which is characterized in that the air-conditioning further includes compressor air-discharging check valve, the pressure The entrance of contracting machine exhaust check valve and the outlet of the compressor, the outlet and the pressure of the compressor air-discharging check valve The outlet of contracting machine bypass check valve.

8. air-conditioning as claimed in claim 7, which is characterized in that the air-conditioning further includes low-pressure tank, described low-pressure tank one end with The compressor connection, the other end are connected to the entrance of the compressor bypass check valve.

9. air-conditioning as claimed in claim 8, which is characterized in that the air-conditioning further includes fluid path solenoid valve, the fluid path electromagnetism Valve one end is connect with the evaporator, and the other end connects the pipe that the outlet of the refrigerant pump is connected to the flash distillation bypass check valve Road.

10. air-conditioning as claimed in claim 9, which is characterized in that the air-conditioning further includes electric expansion valve, the electronic expansion Valve is arranged in the pipeline between the fluid path solenoid valve and the evaporator.

11. a kind of control method of air-conditioning, which is characterized in that

The air-conditioning includes compressor refrigeration mode, refrigerant pump refrigeration mode；

The air-conditioning includes being sequentially communicated to form the compressor of refrigerant circulation circuit, First Heat Exchanger, refrigerant pump and second and change Hot device；

The air-conditioning further comprises having flash distillation bypass check valve, one end of the flash distillation bypass check valve and the refrigerant pump Outlet, the other end are connected to the entrance of the First Heat Exchanger；

The control method include: the compressor refrigeration pattern switching be refrigerant pump refrigeration mode during have one switching Mode；

When the air-conditioning is under the switch mode, the control flash distillation bypass check valve is connected, compressor shutdown, and controls The refrigerant pump, flash distillation bypass check valve and the First Heat Exchanger form home loop.

12. the control method of air-conditioning as claimed in claim 11, which is characterized in that preset first temperature, second temperature and Third temperature, the second temperature are greater than first temperature, and the third temperature is less than first temperature；It powers on for the first time, When detecting that outdoor temperature is more than or equal to first temperature, controls the air-conditioning and execute compressor refrigeration mode；For the first time It powers on, when detecting outdoor temperature less than the first temperature, controls the air-conditioning and execute refrigerant pump refrigeration mode；

Under refrigerant pump refrigeration mode, detect that outdoor temperature is greater than second temperature, triggering controls the air-conditioning from refrigerant pump system Cold pattern switching is compressor refrigeration mode；

Under compressor refrigeration mode, detect that outdoor temperature is less than third temperature, triggering controls the air-conditioning from compression mechanism Cold pattern switching is refrigerant pump refrigeration mode.

13. the control method of air-conditioning as claimed in claim 12, which is characterized in that first temperature is 10 DEG C of ﹣, described the The difference of two temperature, the third temperature and first temperature is all 5 DEG C.

14. a kind of computer readable storage medium, which is characterized in that the computer readable storage medium includes processor, deposits Reservoir and it is stored in the computer program that can be run on the memory and on the processor, the computer program quilt The control method such as the described in any item air-conditionings of claim 11-13 is also realized when the processor executes.

Technical field

The present invention relates to air-conditioning manufacturing technology field more particularly to a kind of air-conditioning and its control method, computer-readable deposit Storage media.

Background technique

Data center founds the factory, and to precision air conditioner, stable operation proposes important choose to north mobile trend at low ambient temperatures War.Currently, temperature can reach -40 DEG C or less outside the data center room that Europe is established with Northeast China.Precision air conditioner mainly passes through The mode that refrigerant pump and compressor take turns to operate solves the problems, such as cryogenic refrigeration.When outdoor temperature is greater than set temperature, using pressure The operation of contracting machine；When outdoor temperature is less than set temperature, freezed using refrigerant pump.Such refrigeration modes compress it is critical that working as When machine-cut is changed to refrigerant pump operation, compressor outlet refrigerant pressure is lower rapidly, and flass occurs in refrigerant, the bubble flashed off There is cavitation erosion risk to refrigerant pump operation.

Summary of the invention

The main object of the present invention is to provide a kind of air-conditioning and its control method, computer readable storage medium, it is intended to solve Flash distillation problem when certainly existing air conditioner is switched to refrigerant pump work from compressor operating.

To achieve the above object, air-conditioning proposed by the present invention includes being sequentially communicated to form the compression of refrigerant circulation circuit Machine, First Heat Exchanger, refrigerant pump and the second heat exchanger；The air-conditioning further comprises having flash distillation bypass check valve, the flash distillation One end of check valve and the outlet of the refrigerant pump are bypassed, the other end is connected to the entrance of the First Heat Exchanger；Work as institute When stating flash distillation bypass check valve unlatching, the compressor shutdown, the refrigerant pump, the flash distillation bypass check valve and described first Heat exchanger forms home loop.

Optionally, when the air-conditioning is refrigeration mode, the First Heat Exchanger is condenser, and second heat exchanger is Evaporator.

Optionally, the air-conditioning has refrigerant pump by-passing valve, in parallel between the refrigerant pump by-passing valve and the refrigerant pump It is connected to afterwards with the entrance of the evaporator.

Optionally, the air-conditioning further includes pressure pan, the outlet of one end of the pressure pan and the condenser, separately The connection of the entrance of outer one end and the refrigerant pump.

Optionally, the air-conditioning further includes night vision goggles, and the pressure pan and the refrigerant pump is arranged in the night vision goggles On connecting line.

Optionally, the air-conditioning has compressor bypass check valve, the compressor bypass check valve and the compressor Between be connected to the entrance of the condenser after parallel connection.

Optionally, the air-conditioning further includes compressor air-discharging check valve, the entrance of the compressor air-discharging check valve and institute The outlet of compressor is stated, the outlet of the compressor air-discharging check valve connects with the outlet of the compressor bypass check valve It is logical.

Optionally, the air-conditioning further includes low-pressure tank, and described low-pressure tank one end is connected to the compressor, the other end and institute State the entrance connection of compressor bypass check valve.

Optionally, the air-conditioning further includes fluid path solenoid valve, and fluid path solenoid valve one end is connect with the evaporator, separately One end connects the pipeline that the outlet of the refrigerant pump is connected to the flash distillation bypass check valve.

Optionally, the air-conditioning further includes electric expansion valve, electric expansion valve setting the fluid path solenoid valve with In pipeline between the evaporator.

To achieve the above object, the present invention also provides a kind of control method of air-conditioning, the air-conditioning includes compressor refrigeration Mode, refrigerant pump refrigeration mode；The air-conditioning includes being sequentially communicated to form the compressor of refrigerant circulation circuit, the first heat exchange Device, refrigerant pump and the second heat exchanger；The air-conditioning further comprises having flash distillation bypass check valve, the flash distillation bypass check valve The outlet of one end and the refrigerant pump, the other end are connected to the entrance of the First Heat Exchanger；

The control method include: the compressor refrigeration pattern switching be refrigerant pump refrigeration mode during have one Switch mode, when the air-conditioning is under the switch mode, the control flash distillation bypass check valve is connected, compressor shutdown, And it controls the refrigerant pump, flash distillation bypass check valve and the First Heat Exchanger and forms home loop.

Further, preset first temperature, second temperature and third temperature, the second temperature are greater than first temperature Degree, the third temperature are less than first temperature；It powers on for the first time, detects that outdoor temperature is more than or equal to first temperature When spending, controls the air-conditioning and execute compressor refrigeration mode；It powers on for the first time, when detecting outdoor temperature less than the first temperature, control It makes the air-conditioning and executes refrigerant pump refrigeration mode；

Under refrigerant pump refrigeration mode, detect that outdoor temperature is greater than second temperature, triggering controls the air-conditioning from refrigerant Pump refrigeration mode is switched to compressor refrigeration mode；

Under compressor refrigeration mode, detect that outdoor temperature is less than third temperature, triggering controls the air-conditioning from compression Mechanism cold pattern switching is refrigerant pump refrigeration mode.

Further, first temperature is 10 DEG C of ﹣, the second temperature, the third temperature and first temperature Difference be all 5 DEG C.

To achieve the above object, the present invention also provides a kind of computer readable storage medium, the computer-readable storages Medium includes processor, memory and is stored in the computer journey that can be run on the memory and on the processor Sequence also realizes the control method of air-conditioning as described above when the computer program is executed by the processor.

In technical solution proposed by the present invention, flash distillation bypass check valve is provided in connecting pipeline；In compressor refrigeration In mode and refrigerant pump refrigeration mode, the flash distillation bypasses closed check valve, passes through without refrigerant from this；Work as outdoor environment temperature When reduction, during switch mode of the compressor refrigeration pattern switching at the refrigerant pump refrigeration mode, the flash distillation It bypasses check valve to open, the compressor shutdown, the refrigerant pump, flash distillation bypass check valve and the First Heat Exchanger shape At home loop.After system pressure is stablized, the flash distillation bypasses closed check valve, runs the refrigerant pump refrigeration mode；It should Bubble-free generates switch mode in the process of implementation, avoids the cavitation problem of the refrigerant pump, eliminates flass.

Detailed description of the invention

In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this Some embodiments of invention for those of ordinary skill in the art without creative efforts, can be with The structure shown according to these attached drawings obtains other attached drawings.

Fig. 1 is the theory structure schematic diagram of air-conditioning embodiment one of the present invention；

Fig. 2 is the theory structure schematic diagram of air-conditioning embodiment two of the present invention.

Drawing reference numeral explanation:

Label	Title	Label	Title
				100	Air-conditioning	50	Refrigerant pump
101	Outdoor unit	51	Refrigerant pump by-passing valve
				102	Indoor unit	52	Flash distillation bypass check valve
10	Compressor	60	Fluid path solenoid valve
				11	Compressor air-discharging check valve	70	Electric expansion valve
12	Compressor bypass check valve	80	Evaporator
				20	Condenser	81	Second heat exchanger
21	First Heat Exchanger	90	Low-pressure tank
				30	Pressure pan	200	Four-way valve
40	Night vision goggles

The embodiments will be further described with reference to the accompanying drawings for the realization, the function and the advantages of the object of the present invention.

Specific embodiment

Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete Site preparation description.

The present invention proposes a kind of air-conditioning 100.

Referring to Fig. 1, the air-conditioning 100 includes being sequentially communicated to form refrigerant circulation circuit in the embodiment of the present invention one Compressor 10, First Heat Exchanger 21, refrigerant pump 50 and the second heat exchanger 81；The air-conditioning 100 further comprises having flash distillation other Logical check valve 52, one end of the flash distillation bypass check valve 52 and the outlet of the refrigerant pump 50, the other end and described the The entrance of one heat exchanger 21 is connected to；When flash distillation bypass check valve 52 is opened, the compressor 10 is shut down, the refrigerant pump 50, the flash distillation bypass check valve 52 and the First Heat Exchanger 21 form home loop.

Specifically, referring to Fig. 1, in the specific embodiment of the invention, the air-conditioning 100 has refrigeration mode, the air-conditioning 100 include outdoor unit 101 and indoor unit 102, and when air-conditioning is refrigeration mode, the First Heat Exchanger 21 is condenser 20, institute Stating the second heat exchanger 81 is evaporator 80；The indoor unit 102 includes condenser 20 and refrigerant pump 50, and the outdoor unit 101 wraps Include compressor 10 and evaporator 80, the outlet of the entrance of the condenser 20 and the compressor 10, the refrigerant pump 50 Outlet be connected to the entrance of the evaporator 80；One end of the flash distillation bypass check valve 52 and the outlet of the refrigerant pump 50 Connection, the other end are connected to the entrance of the condenser 20；When flash distillation bypass check valve 52 is opened, the compressor 10 It shuts down, the refrigerant pump 50, flash distillation bypass check valve 52 and the condenser 20 form home loop.

In technical solution proposed by the present invention, flash distillation bypass check valve 52 is provided in connecting pipeline；In compression mechanism In cold mode and refrigerant pump refrigeration mode, the flash distillation bypass check valve 52 is closed, and is passed through without refrigerant from this；Work as outdoor environment Temperature reduce when, from the compressor refrigeration pattern switching at the refrigerant pump refrigeration mode during have all mold changing Formula, the flash distillation bypass check valve 52 are opened, and the compressor 10 is shut down, and the refrigerant pump 50, the flash distillation bypass check valve 52 and the condenser 20 form home loop, after system pressure is stablized, flash distillation bypass check valve 52 is closed, operation institute State refrigerant pump refrigeration mode；Bubble-free generates the switch mode in the process of implementation, and the cavitation erosion for avoiding the refrigerant pump 50 is asked Topic eliminates flass.

Specifically, the indoor unit 102 has refrigerant pump by-passing valve 51, the refrigerant pump by-passing valve 51 and the refrigerant pump It is connected to after parallel connection with the entrance of the evaporator 80 between 50, the refrigerant pump by-passing valve 51 is check valve in the present embodiment. The outdoor unit 101 has compressor bypass check valve 12, between the compressor bypass check valve 12 and the compressor 10 It is connected to after parallel connection with the entrance of the condenser 20.When running the refrigerant pump refrigeration mode, the compressor bypass is unidirectional Valve 12 is opened, and the refrigerant pump by-passing valve 51 is closed, and 10 short circuit of compressor does not work, and the refrigerant pump 50 works；Work as fortune When the row compressor refrigeration mode, the refrigerant pump by-passing valve 51 is opened, and the compressor bypass check valve 12 is closed, described 50 short circuit of refrigerant pump does not work, and the compressor 10 works.In a particular embodiment, the refrigerant pump 50 is pumped using fluorine；It is described Compressor 10 can be piston compressor, helical-lobe compressor, centrifugal compressor or linear compressor.

Further, the outdoor unit 101 further includes fluid path solenoid valve 60, described 60 one end of fluid path solenoid valve and the steaming It sends out device 80 to connect, the other end connects the pipeline that the outlet of the refrigerant pump 50 is connected to the flash distillation bypass check valve 52.It is described Compressor refrigeration pattern switching at the refrigerant pump refrigeration mode during there is a switch mode, cut when air-conditioning is in described Under mold changing formula, the flash distillation bypass check valve 52 is opened, and the fluid path solenoid valve 60 is closed, and after system pressure is stablized, is executed The flash distillation bypass check valve 52 is closed when the refrigerant pump refrigeration mode, and the fluid path solenoid valve 60 is opened, and is run described cold Matchmaker pumps refrigeration mode.

Further, the outdoor unit 101 further includes electric expansion valve 70, and the electric expansion valve 70 is arranged in the liquid In pipeline between way solenoid valve 60 and the evaporator 80.The electric expansion valve 70 can make the liquid coolant of medium temperature high pressure Become the moist steam of low-temp low-pressure by its throttling, then refrigerant enters in the evaporator 80 from 80 entrance of evaporator, Heat is absorbed in the evaporator 80 reaches refrigeration effect.The mistake that the electric expansion valve 70 passes through 80 end of evaporator Temperature variation carrys out control valve flow, prevents the 80 area underutilization of evaporator and engine knock phenomenon.

Further, the outdoor unit 101 further includes compressor air-discharging check valve 11, the compressor air-discharging check valve 11 Entrance and the compressor 10 outlet, the outlet of the compressor air-discharging check valve 11 and the compressor bypass list To the outlet of valve 12.The compressor air-discharging check valve 11 is used to control the gas being discharged in the compressor 10, prevents The pressure value of the compressor 10 is too high or too low.

Further, the indoor unit 102 further includes pressure pan 30, one end of the pressure pan 30 and the condenser 20 Outlet, the connection of the entrance of other end and the refrigerant pump 50；The outdoor unit 101 further includes low-pressure tank 90, institute It states 90 one end of low-pressure tank to be connected to the compressor 10, the other end is connected to the entrance of the compressor bypass check valve 12.

Further, the air-conditioning 100 further includes night vision goggles 40, and the night vision goggles 40 are arranged in the pressure pan 30 and institute On the connecting line for stating refrigerant pump 50.The night vision goggles 40 are used to observe the state of refrigerant in pipeline.

In the specific embodiment of the invention, when the air-conditioning 100 runs the compressor refrigeration mode, the air-conditioning 100 By the compressor 10, the compressor air-discharging check valve 11, the condenser 20, the pressure pan 30, the night vision goggles 40, The refrigerant pump by-passing valve 51, the fluid path solenoid valve 60, the electric expansion valve 70, the evaporator 80, the low-pressure tank 90 and the compressor 10 constitute a circulation loop.

When the air-conditioning 100 runs the refrigerant pump refrigeration mode, the air-conditioning 100 is by the refrigerant pump 50, the liquid Way solenoid valve 60, the electric expansion valve 70, the evaporator 80, the compressor bypass check valve 12, the condenser 20, The pressure pan 30, the night vision goggles 40 and the refrigerant pump 50 constitute a circulation loop.

Referring to Fig. 2, the present invention also proposes embodiment two, in this embodiment, the air-conditioning 100 is combined type Two-way Cycle Air-conditioning, the air-conditioning 100 increases on the basis of example 1 is provided with four-way valve 200, and the refrigerant pump by-passing valve 51 For two-way valve.The compressor 10 is the interface A of four-way valve 200 described in outlet, the interface B connection of the four-way valve 200 The entrance of the First Heat Exchanger 21, the interface C of the four-way valve 200 are connected to the entrance of the compressor 10, the four-way valve 200 interface D is connected to the outlet of second heat exchanger 81.

The combined type dual-circulation air conditioner includes compressor refrigeration mode, refrigerant pump refrigeration mode, the compressor refrigeration Pattern switching is at the switch mode and compression mechanism heat pattern during the refrigerant pump refrigeration mode.Compressor refrigeration When mode, the interface A of the four-way valve 200 is connected to interface B, and interface C is connected to interface D, and the refrigerant pump by-passing valve 51 is beaten It opens, the compressor bypass check valve 12 is closed, and is formed and identical refrigerant circulation when compressor refrigeration mode in embodiment one Circuit.When refrigerant pump refrigeration mode, the interface A of the four-way valve 200 is connected to interface B, and interface C is connected to interface D, described cold Matchmaker pumps by-passing valve 51 and closes, and the compressor bypass check valve 12 is opened, in formation and embodiment one when refrigerant pump refrigeration mode Identical refrigerant circulation circuit.During executing switch mode, ibid, bypassed by the refrigerant pump 50, the flash distillation unidirectional Valve 52 and the First Heat Exchanger 21 constitute refrigerant circulation circuit.When compression mechanism heat pattern, the interface A of the four-way valve 200 It is connected to interface D, interface B is connected to interface C, and the refrigerant pump by-passing valve 51 is opened, and the compressor bypass check valve 12 closes It closes, is formed by the compressor 10, the compressor air-discharging check valve 11, second heat exchanger 81, the electric expansion valve 70, the fluid path solenoid valve 60, the refrigerant pump by-passing valve 51, the night vision goggles 40, the pressure pan 30, first heat exchange The refrigerant circulation circuit that device 21, the low-pressure tank 90 and the compressor 10 are sequentially communicated.

The present invention also proposes a kind of control method of air-conditioning, and the air-conditioning is above-mentioned air-conditioning 100, and the air-conditioning includes 100 compressor refrigeration modes, refrigerant pump refrigeration mode, the air-conditioning 100 include being sequentially communicated to form refrigerant circulation circuit Compressor 10, First Heat Exchanger 21, refrigerant pump 50 and the second heat exchanger 81；The air-conditioning 100 further comprises having flash distillation to bypass Check valve 52, one end of the flash distillation bypass check valve 52 and the outlet of the refrigerant pump 50, the other end and described first The entrance of heat exchanger 81 is connected to；

The control method include: the compressor refrigeration pattern switching be refrigerant pump refrigeration mode during have one Switch mode, when the air-conditioning 100 is under the switch mode, the control flash distillation bypass check valve 52 is connected, compressor 10 shut down, and control the refrigerant pump 50, flash distillation bypass check valve 52 and the First Heat Exchanger 21 and form home loop.

In a particular embodiment, the air-conditioning 100 includes outdoor unit 101 and indoor unit 102, and the First Heat Exchanger 21 is Condenser 20, second heat exchanger 81 are evaporator 80；The indoor unit 102 includes condenser 20 and refrigerant pump 50, described Outdoor unit 101 includes compressor 10 and evaporator 80, the outlet of the entrance of the condenser 20 and the compressor 10, institute The outlet for stating refrigerant pump 50 is connected to the entrance of the evaporator 80；One end of the flash distillation bypass check valve 52 and the refrigerant The outlet of pump 50, the other end are connected to the entrance of the condenser 20；

The control method include: the compressor refrigeration pattern switching be refrigerant pump refrigeration mode during have one Switch mode, when the air-conditioning 100 is under the switch mode, the control flash distillation bypass check valve 52 is connected, compressor 10 shut down, and control the refrigerant pump 50, flash distillation bypass check valve 52 and the condenser 20 and form home loop.

Specifically, the air-conditioning 100 is preset with the first temperature, second temperature and third temperature, and the second temperature is big In first temperature, the third temperature is less than first temperature；It powers on for the first time, detects that outdoor temperature is greater than or waits When first temperature, controls the air-conditioning 100 and execute compressor refrigeration mode；It powers on for the first time, detects that outdoor temperature is small When the first temperature, controls the air-conditioning and execute 100 execution refrigerant pump refrigeration modes；Under refrigerant pump refrigeration mode, detect Outdoor temperature be greater than second temperature, triggering controls the air-conditioning 100 and is switched to compressor refrigeration mould from refrigerant pump refrigeration mode Formula；Under compressor refrigeration mode, the outdoor temperature detected is less than third temperature, and triggering controls the air-conditioning 100 from compression Mechanism cold pattern switching is refrigerant pump refrigeration mode.

Specifically, the second temperature, the third temperature are identical as the difference difference of first temperature.In the present invention In other embodiments, the difference of the second temperature, the third temperature and first temperature can be not identical respectively.

Specifically, in embodiments of the present invention, first temperature is 10 DEG C of ﹣, the second temperature, the third temperature It is all respectively 5 DEG C with the difference of first temperature.

It powers on for the first time, when outdoor temperature is greater than or equal to 10 DEG C of ﹣, the air-conditioning 100 runs the compressor refrigeration mould Formula；When outdoor temperature is less than 10 DEG C of ﹣, the air-conditioning 100 runs the refrigerant pump refrigeration mode.

Under the compressor refrigeration mode, when outdoor temperature drops to 15 DEG C of ﹣, when into switch mode, the pressure Contracting machine 10 is out of service, while opening the refrigerant pump 50 and bypassing check valve 52 with the flash distillation, closes the fluid path solenoid valve 60, the air-conditioning 100 by the refrigerant pump 50, the flash distillation bypass check valve 52, the condenser 20, the pressure pan 30, The night vision goggles 40 and the refrigerant pump 50 constitute a circulation loop；When recycling a preset time, such as one minute or inspection After the inlet pressure stabilization for measuring the refrigerant pump 50, switch mode executes completion, closes the flash distillation and bypasses check valve 52, beats The fluid path solenoid valve 60 is opened, the refrigerant pump refrigeration mode is run.Should during, by outlet in the refrigerant pump 50 with Flash distillation bypass check valve 52 is provided in the entrance communicating pipe road of the condenser 20, in this switching mode, refrigerant passes through The condenser 20 achievees the purpose that stablize decompression, avoids the generation of refrigerant flass in handoff procedure, improve system Stability.

Under the refrigerant pump refrigeration mode, when outdoor temperature is increased to 5 DEG C of ﹣, the refrigerant pump 50 is out of service, separately The compressor refrigeration mode is run after one preset time, such as one minute.

In existing situation, the general solution for flashing problem is when extending the switching of compressor 10 and refrigerant pump 50 Between, keep system as stable as possible.But in handoff procedure, air-conditioning can not freeze, this to the control of the temperature of data center cause compared with It is big to influence.Embodiment of the present invention is due in the outlet of the refrigerant pump 50 and the entrance communicating pipe road of the condenser 20 It is provided with and flashes bypass check valve 52, one minute for causing switching time to foreshorten in specific embodiment, compared to institute The most short control logic for shutting down three minutes of compressor 10 is stated, it is the control of data center's temperature that switching time, which is greatly reduced, in the present invention System provides guarantee.

For the control method for executing and realizing above-mentioned air-conditioning, the present invention also proposes a kind of computer readable storage medium, institute Computer readable storage medium is stated to include processor, memory and be stored on the memory and can be on the processor The computer program of operation is also realized such as above-mentioned any embodiment institute when the computer program is executed by the processor The step of control method for the air-conditioning stated.

Obviously, above-mentioned described embodiment is only a part of the embodiments of the present invention, instead of all the embodiments. Based on the embodiments of the present invention, obtained by those of ordinary skill in the art without making creative efforts all Other embodiments shall fall within the protection scope of the present invention.

It is to be appreciated that the directional instruction (such as up, down, left, right, before and after ...) of institute is only used in the embodiment of the present invention In explaining in relative positional relationship, the motion conditions etc. under a certain particular pose (as shown in the picture) between each component, if should When particular pose changes, then directionality instruction also correspondingly changes correspondingly.

In addition, the description for being such as related to " first ", " second " in the present invention is used for description purposes only, and should not be understood as Its relative importance of indication or suggestion or the quantity for implicitly indicating indicated technical characteristic.Define as a result, " first ", The feature of " second " can explicitly or implicitly include at least one of the features.In the description of the present invention, " multiple " contain Justice is at least two, such as two, three etc., unless otherwise specifically defined.

In the present invention unless specifically defined or limited otherwise, term " connection ", " fixation " etc. shall be understood in a broad sense, For example, " fixation " may be a fixed connection, it may be a detachable connection, or integral；It can be mechanical connection, be also possible to Electrical connection；It can be directly connected, the connection inside two elements or two can also be can be indirectly connected through an intermediary The interaction relationship of a element, unless otherwise restricted clearly.It for the ordinary skill in the art, can basis Concrete condition understands the concrete meaning of above-mentioned term in the present invention.

It in addition, the technical solution between each embodiment of the present invention can be combined with each other, but must be general with this field Based on logical technical staff can be realized, it will be understood that when the combination of technical solution appearance is conflicting or cannot achieve this The combination of technical solution is not present, also not the present invention claims protection scope within.

The above description is only a preferred embodiment of the present invention, is not intended to limit the scope of the invention, all at this Under the design of invention, using equivalent structure transformation made by description of the invention and accompanying drawing content, or directly/it is used in it indirectly He is included in scope of patent protection of the invention relevant technical field.