CN107477897A - A kind of computer-room air conditioning system and its control method - Google Patents
A kind of computer-room air conditioning system and its control method Download PDFInfo
- Publication number
- CN107477897A CN107477897A CN201710760308.XA CN201710760308A CN107477897A CN 107477897 A CN107477897 A CN 107477897A CN 201710760308 A CN201710760308 A CN 201710760308A CN 107477897 A CN107477897 A CN 107477897A
- Authority
- CN
- China
- Prior art keywords
- valve
- reservoir
- compressor
- magnetic valve
- evaporator
- 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.)
- Withdrawn
Links
- 238000004378 air conditioning Methods 0.000 title claims abstract description 17
- 238000000034 method Methods 0.000 title claims abstract description 7
- YCKRFDGAMUMZLT-UHFFFAOYSA-N Fluorine atom Chemical compound [F] YCKRFDGAMUMZLT-UHFFFAOYSA-N 0.000 claims abstract description 35
- 229910052731 fluorine Inorganic materials 0.000 claims abstract description 35
- 239000011737 fluorine Substances 0.000 claims abstract description 35
- 239000007788 liquid Substances 0.000 claims abstract description 25
- 239000003507 refrigerant Substances 0.000 claims description 21
- 238000005057 refrigeration Methods 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 3
- 239000003795 chemical substances by application Substances 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 238000001704 evaporation Methods 0.000 description 2
- 239000012530 fluid Substances 0.000 description 2
- 230000007423 decrease Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000005461 lubrication Methods 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
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
- F25B1/00—Compression machines, plants or systems with non-reversible cycle
- F25B1/005—Compression machines, plants or systems with non-reversible cycle of the single unit type
-
- 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
- F25B41/20—Disposition of valves, e.g. of on-off valves or flow control valves
-
- 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
- F25B41/40—Fluid line arrangements
-
- 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
- F25B2500/06—Damage
-
- 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
- F25B2600/02—Compressor control
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Mechanical Engineering (AREA)
- Thermal Sciences (AREA)
- General Engineering & Computer Science (AREA)
- Air Conditioning Control Device (AREA)
Abstract
The application is related to a kind of computer-room air conditioning system and its control method, including evaporator, first magnetic valve, gas-liquid separator, compressor, first check valve, condenser, reservoir, choke valve, second check valve, evaporator, first magnetic valve, gas-liquid separator, compressor, first check valve, condenser, reservoir, choke valve, second check valve passes sequentially through pipeline concatenation and forms loop, by pipeline and second solenoid valve is connected between the outlet pipe end of evaporator and the inlet tube end of condenser, the port of export of reservoir and the inlet tube end of evaporator have been sequentially connected in series fluorine pump and the 3rd magnetic valve by pipeline.The present invention can be not turned on compressor when having winter or relatively low temperature, and excessive season drives compressor less, and system power consumption is reduced so as to overall；The compressor actual opening time greatly reduces, so as to extend the service life of complete machine；In the absence of cold-starting operating mode, compressor is protected.
Description
Technical field
The present invention relates to a kind of air-conditioning device, particularly a kind of computer-room air conditioning system and its control method.
Background technology
The air conditioner in machine room of lattice, it is necessary to run without interruption throughout the year in the prior art, and its power consumption is high, and compressor uses the longevity
Order low；Under outdoor worst cold case, high frequent starts, and compressor lubrication effect is poor, fragile.
The content of the invention
The purpose of the present invention is exactly to solve the weak point in background technology, there is provided a kind of computer-room air conditioning system and its
Control method.
To reach above-mentioned purpose, the present invention adopts the following technical scheme that：A kind of computer-room air conditioning system, including evaporator,
One magnetic valve, gas-liquid separator, compressor, the first check valve, condenser, reservoir, choke valve, the second check valve, evaporation
Device, the first magnetic valve, gas-liquid separator, compressor, the first check valve, condenser, reservoir, choke valve, the second check valve according to
Secondary concatenated by pipeline forms loop, and by pipeline and the is connected between the outlet pipe end of evaporator and the inlet tube end of condenser
Two magnetic valves, the port of export of reservoir and the inlet tube end of evaporator have been sequentially connected in series fluorine pump and the 3rd magnetic valve by pipeline.
A kind of for the present invention optimizes, and the reservoir is the reservoir with fluid level controller.
An optimization for the present invention, the computer-room air conditioning system also include outdoor temperature sensor, controller, outdoor temp
Output signal line and the controller for spending sensor are electrically connected with, first magnetic valve, second solenoid valve, the 3rd magnetic valve and
The control terminal of fluorine pump is electrically connected with controller.
The control method of the computer-room air conditioning system, including it is as follows：
1) when outdoor temperature is more than 23 DEG C or computer room requires control temperature, the first magnetic valve 2 is opened, the second electricity
Magnet valve 12 is closed, and the 3rd magnetic valve 14 is closed, and fluorine pump 12 is closed, and compressor 4 is opened；Refrigerant circulation is：Compressor 4->First
Check valve 12->Condenser 6->Reservoir 7->Second check valve 2->Evaporator 1->First magnetic valve 2->Compressor 4；
2) when outdoor temperature is less than 3 DEG C, the first magnetic valve 2 is closed, and second solenoid valve 12 is opened, and the 3rd magnetic valve 14 is opened
Open, fluorine pump 13 is opened；Refrigerant circulation is：Reservoir 7->Fluorine pump 13->3rd magnetic valve 14->Evaporator 1->Second solenoid valve
12->Condenser 6->Reservoir 7；
3) require that control temperature is more than 3 DEG C when outdoor temperature is less than 23 DEG C or computer room, and the indoor temperature difference is in precision
When in allowed band, the first magnetic valve 2 is closed, and second solenoid valve 12 is opened, and the 3rd magnetic valve 14 is opened, and fluorine pump 13 is opened, system
Refrigerant cycle：Reservoir 7->Fluorine pump 13->3rd magnetic valve 14->Evaporator 1->Second solenoid valve 12->Condenser 6->Liquid storage
Device 7；
4) require that control temperature is more than 3 DEG C when outdoor temperature is less than 23 DEG C or computer room, and the indoor temperature difference exceedes essence
When spending allowed band：First magnetic valve 2 is opened, and second solenoid valve 12 is closed, the 3rd electromagnetism, and 14 are closed, and fluorine pump 13 is closed；Refrigeration
Agent circulates：Compressor 4->First check valve 12->Condenser 6->Reservoir 7->Second check valve 2->Evaporator 1->First
Magnetic valve 2->Compressor 4；
5) reservoir 7 is built-in with refrigerant liquid level controller 71, and when liquid level is less than 30%, fluorine pump is stopped, and works as liquid
Position is higher than 35%, and fluorine pump is resumed work.
The present invention can be not turned on compressor, excessive season opens less compared with background technology when having winter or relatively low temperature
Compressor, system power consumption is reduced so as to overall；The compressor actual opening time greatly reduces, so as to extend the use longevity of complete machine
Life；In the absence of cold-starting operating mode, compressor is protected.
Brief description of the drawings
Fig. 1 is the principle schematic of computer-room air conditioning system.
Embodiment
Embodiment 1：Reference picture 1.A kind of computer-room air conditioning system, including evaporator 1, the first magnetic valve 2, gas-liquid separator 3,
Compressor 4, the first check valve 5, condenser 6, reservoir 7, choke valve 8, the second check valve 9, outdoor temperature sensor 20, control
Device 10, evaporator 1, the first magnetic valve 2, gas-liquid separator 3, compressor 4, the first check valve 5, condenser 6, reservoir 7, throttling
Valve 8, the second check valve 9 pass sequentially through pipeline concatenation and form loop, it is characterized in that：The outlet pipe end of evaporator 1 and condenser 6
By pipeline and second solenoid valve 12 is connected between inlet tube end, the inlet tube end of the port of export and evaporator 1 of reservoir 7 passes through
Pipeline has been sequentially connected in series the magnetic valve 14 of fluorine pump 13 and the 3rd.The reservoir 7 is provided with band fluid level controller 71.Outdoor temperature passes
The output signal line of sensor 20 is electrically connected with controller 10, first magnetic valve 2, second solenoid valve 12, the 3rd magnetic valve
14 and the control terminal of fluorine pump 13 be electrically connected with controller 10.The side of condenser 6 is provided with condenser fan, evaporator
1 side is provided with internal fan 11.
Fluorine pump work principle：
Closed container equipped with refrigerant liquid, pressure can change with temperature change：When temperature unlifting pressure can on
Rise；When temperature falling pressure can decline.Refrigerant liquid is stored in two connected containers, two containers are different
Under temperature environment, the refrigerant liquid in the higher container of temperature, which is known from experience, to be gone to because of pressure gap in the relatively low container of temperature,
Untill low-temperature (low temperature) vessel fills with or untill elevated temperature vessel is drained.The condenser of air-conditioning, evaporator are equipped with refrigerant as two
The connected closed container of liquid.Condenser is in outdoor, and evaporator is in interior.23 DEG C or so of the long-term temperature of evaporator (or meter
Calculation machine computer room requires control temperature).Winter and excessive season, condenser are in lower temperature and (require control less than computer room
Temperature processed), the refrigerant in evaporator can be gone in condenser come automatically.Now refrigerant gas is allowed to go to condense from evaporator
Device, condenser refrigerant liquid just form a kind of refrigeration cycle by fluorine pump pump to evaporator.
The evaporating temperature of Air-conditioner design is generally 7.3 or so DEG C.That is in air-conditioning system, when refrigerant temperature is less than
At 7.3 DEG C, will fully it liquefy.When outdoor environment temperature is less than 3 DEG C, liquefaction duty requirements can be fully met, it is complete with fluorine pump feed flow
Into kind of refrigeration cycle.Now freeze and indoor refrigeration requirement is just disclosure satisfy that without compressor.In view of outdoor environment it is relatively low when go along with sb. to guard him
Structural thermal is negative value, when outdoor environment temperature is less than 5 DEG C during actual use, it becomes possible to meet liquefaction duty requirements.
Fluorine pump work control flow：
6) when outdoor temperature is more than 23 DEG C or computer room requires control temperature, the first magnetic valve 2 is opened, the second electricity
Magnet valve 12 is closed, and the 3rd magnetic valve 14 is closed, and fluorine pump 12 is closed, and compressor 4 is opened；Refrigerant circulation is：Compressor 4->First
Check valve 12->Condenser 6->Reservoir 7->Second check valve 2->Evaporator 1->First magnetic valve 2->Compressor 4；
7) when outdoor temperature is less than 3 DEG C, the first magnetic valve 2 is closed, and second solenoid valve 12 is opened, and the 3rd magnetic valve 14 is opened
Open, fluorine pump 13 is opened；Refrigerant circulation is：Reservoir 7->Fluorine pump 13->3rd magnetic valve 14->Evaporator 1->Second solenoid valve
12->Condenser 6->Reservoir 7；
8) require that control temperature is more than 3 DEG C when outdoor temperature is less than 23 DEG C or computer room, and the indoor temperature difference is in precision
When in allowed band, the first magnetic valve 2 is closed, and second solenoid valve 12 is opened, and the 3rd magnetic valve 14 is opened, and fluorine pump 13 is opened, system
Refrigerant cycle：Reservoir 7->Fluorine pump 13->3rd magnetic valve 14->Evaporator 1->Second solenoid valve 12->Condenser 6->Liquid storage
Device 7；
9) require that control temperature is more than 3 DEG C when outdoor temperature is less than 23 DEG C or computer room, and the indoor temperature difference exceedes essence
When spending allowed band：First magnetic valve 2 is opened, and second solenoid valve 12 is closed, the 3rd electromagnetism, and 14 are closed, and fluorine pump 13 is closed；Refrigeration
Agent circulates：Compressor 4->First check valve 12->Condenser 6->Reservoir 7->Second check valve 2->Evaporator 1->First
Magnetic valve 2->Compressor 4；
Reservoir 7 is built-in with refrigerant liquid level controller 71, and when liquid level is less than 30%, fluorine pump is stopped, and works as liquid level
Higher than 35%, fluorine pump is resumed work.
It is to be understood that：The detailed description although the present embodiment is contrasted to the present invention, these explanations, only
It is to simple declaration of the invention, rather than limitation of the present invention, any invention wound without departing from true spirit
Make, each fall within protection scope of the present invention.
Claims (4)
1. a kind of computer-room air conditioning system, including evaporator (1), the first magnetic valve (2), gas-liquid separator (3), compressor (4),
One check valve (5), condenser (6), reservoir (7), choke valve (8), the second check valve (9), evaporator (1), the first magnetic valve
(2), gas-liquid separator (3), compressor (4), the first check valve (5), condenser (6), reservoir (7), choke valve (8), second
Check valve (9) passes sequentially through pipeline concatenation and forms loop, it is characterized in that：The outlet pipe end of evaporator (1) enters with condenser (6)
By pipeline and second solenoid valve (12) is connected between mouthful pipe end, the port of export of reservoir (7) and the inlet tube end of evaporator (1)
Fluorine pump (13) and the 3rd magnetic valve (14) have been sequentially connected in series by pipeline.
2. computer-room air conditioning system according to claim 1, it is characterized in that：The reservoir (7) is provided with band Liquid level
Device (71).
3. computer-room air conditioning system according to claim 1, it is characterised in that also including outdoor temperature sensor (20), control
Device (10), output signal line and the controller (10) of outdoor temperature sensor (20) are electrically connected with, first magnetic valve (2),
The control terminal of second solenoid valve (12), the 3rd magnetic valve (14) and fluorine pump (13) is electrically connected with controller (10).
4. a kind of control method of the computer-room air conditioning system as described in power 1-3, it is characterised in that including as follows：
1) when outdoor temperature is more than 23 DEG C or computer room requires control temperature, the first magnetic valve (2) is opened, the second electromagnetism
Valve (12) is closed, and the 3rd magnetic valve (14) is closed, and fluorine pump (12) is closed, and compressor (4) is opened；Refrigerant circulation is：Compressor
(4)->First check valve (12)->Condenser (6)->Reservoir (7)->Second check valve (2)->Evaporator (1)->First electromagnetism
Valve (2)->Compressor (4)；
2) when outdoor temperature is less than 3 DEG C, the first magnetic valve (2) is closed, and second solenoid valve (12) is opened, the 3rd magnetic valve (14)
Open, fluorine pump (13) is opened；Refrigerant circulation is：Reservoir (7)->Fluorine pump (13)->3rd magnetic valve (14)->Evaporator
(1)->Second solenoid valve (12)->Condenser (6)->Reservoir (7)；
3) require that control temperature is more than 3 DEG C when outdoor temperature is less than 23 DEG C or computer room, and the indoor temperature difference allows in precision
In the range of when, the first magnetic valve (2) is closed, and second solenoid valve (12) is opened, and the 3rd magnetic valve (14) is opened, and fluorine pump (13) opens
Open, refrigerant circulation：Reservoir (7)->Fluorine pump (13)->3rd magnetic valve (14)->Evaporator (1)->Second solenoid valve (12)-
>Condenser (6)->Reservoir (7)；
4) require that control temperature is more than 3 DEG C when outdoor temperature is less than 23 DEG C or computer room, and the indoor temperature difference permits more than precision
Perhaps during scope：First magnetic valve (2) is opened, and second solenoid valve (12) is closed, the 3rd electromagnetism, and (14) are closed, and fluorine pump (13) is closed；
Refrigerant circulation is：Compressor (4)->First check valve (1) (2)->Condenser (6)->Reservoir (7)->Second check valve
(2)->Evaporator (1)->First magnetic valve (2)->Compressor (4)；
5) reservoir (7) is built-in with refrigerant liquid level controller (71), and when liquid level is less than 30%, fluorine pump is stopped, and works as liquid
Position is higher than 35%, and fluorine pump is resumed work.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710760308.XA CN107477897A (en) | 2017-08-30 | 2017-08-30 | A kind of computer-room air conditioning system and its control method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710760308.XA CN107477897A (en) | 2017-08-30 | 2017-08-30 | A kind of computer-room air conditioning system and its control method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107477897A true CN107477897A (en) | 2017-12-15 |
Family
ID=60602937
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710760308.XA Withdrawn CN107477897A (en) | 2017-08-30 | 2017-08-30 | A kind of computer-room air conditioning system and its control method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107477897A (en) |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109163402A (en) * | 2018-10-17 | 2019-01-08 | 郑州云海信息技术有限公司 | A kind of electronics machine room humiture processing system |
| CN111578544A (en) * | 2019-02-19 | 2020-08-25 | 上海海立电器有限公司 | Pump compressor refrigerating system and control method thereof |
| CN111854235A (en) * | 2020-07-20 | 2020-10-30 | 广东美的暖通设备有限公司 | Heat exchange system, air conditioner, control method of heat exchange system and storage medium |
| CN111970903A (en) * | 2020-08-18 | 2020-11-20 | 中国电子科技集团公司第三十八研究所 | Multi-cycle air conditioner for radar and control method thereof |
| CN112739171A (en) * | 2020-12-30 | 2021-04-30 | 江苏佰睿安新能源科技有限公司 | Cooling system for communication room |
| CN113606807A (en) * | 2021-08-02 | 2021-11-05 | 苏州黑盾环境股份有限公司 | Air conditioning system and control method |
| CN113899056A (en) * | 2021-10-28 | 2022-01-07 | 广东友电新能源科技有限公司 | Low-temperature starting module, machine room air conditioning system and control method |
| CN114659240A (en) * | 2022-02-28 | 2022-06-24 | 深圳市艾特网能技术有限公司 | Air conditioner device and air conditioner low temperature starting device |
| CN115435416A (en) * | 2022-08-31 | 2022-12-06 | 科华数据股份有限公司 | A fluorine pump double cycle air conditioning system and its control method |
-
2017
- 2017-08-30 CN CN201710760308.XA patent/CN107477897A/en not_active Withdrawn
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109163402A (en) * | 2018-10-17 | 2019-01-08 | 郑州云海信息技术有限公司 | A kind of electronics machine room humiture processing system |
| CN111578544A (en) * | 2019-02-19 | 2020-08-25 | 上海海立电器有限公司 | Pump compressor refrigerating system and control method thereof |
| CN111854235A (en) * | 2020-07-20 | 2020-10-30 | 广东美的暖通设备有限公司 | Heat exchange system, air conditioner, control method of heat exchange system and storage medium |
| CN111970903A (en) * | 2020-08-18 | 2020-11-20 | 中国电子科技集团公司第三十八研究所 | Multi-cycle air conditioner for radar and control method thereof |
| CN111970903B (en) * | 2020-08-18 | 2022-06-07 | 中国电子科技集团公司第三十八研究所 | Multi-cycle air conditioner for radar and control method thereof |
| CN112739171A (en) * | 2020-12-30 | 2021-04-30 | 江苏佰睿安新能源科技有限公司 | Cooling system for communication room |
| CN113606807A (en) * | 2021-08-02 | 2021-11-05 | 苏州黑盾环境股份有限公司 | Air conditioning system and control method |
| CN113899056A (en) * | 2021-10-28 | 2022-01-07 | 广东友电新能源科技有限公司 | Low-temperature starting module, machine room air conditioning system and control method |
| CN113899056B (en) * | 2021-10-28 | 2024-01-30 | 深圳科士达科技股份有限公司 | Low-temperature starting module, machine room air conditioning system and control method |
| CN114659240A (en) * | 2022-02-28 | 2022-06-24 | 深圳市艾特网能技术有限公司 | Air conditioner device and air conditioner low temperature starting device |
| CN115435416A (en) * | 2022-08-31 | 2022-12-06 | 科华数据股份有限公司 | A fluorine pump double cycle air conditioning system and its control method |
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| PB01 | Publication | ||
| PB01 | Publication | ||
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| WW01 | Invention patent application withdrawn after publication | ||
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Application publication date: 20171215 |