CN206637769U - Using the computer room heat pipe air conditioner of VRV systems - Google Patents
Using the computer room heat pipe air conditioner of VRV systems Download PDFInfo
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- CN206637769U CN206637769U CN201720208844.4U CN201720208844U CN206637769U CN 206637769 U CN206637769 U CN 206637769U CN 201720208844 U CN201720208844 U CN 201720208844U CN 206637769 U CN206637769 U CN 206637769U
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- heat pipe
- computer room
- air conditioner
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- refrigeration system
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Abstract
The utility model discloses a kind of computer room heat pipe air conditioner using VRV systems, including vapor compression refrigeration system, control system and heat pipe cycle refrigeration system；Control system is connected with vapor compression refrigeration system, heat pipe cycle refrigeration system respectively；In the compressor that vapor compression refrigeration system is respectively connected in parallel, an at least compressor is frequency-changeable compressor；Control system includes indoor and outdoor Temperature Humidity Sensor, control device, electrical control gear and refrigerant flow controlling device；The utility model is realized air-conditioning and operated under frequency conversion vapor-compression cycle refrigeration and heat pipe circularly cooling state with the optimal liquid filled ratio of refrigerant, meet the high efficiency of indoor cooling and heating load requirement by controlling the refrigerant liquid filled ratio in circulation loop；Difference of the utility model always according to outdoor temperature so that described computer room heat pipe air conditioner has three kinds of mode of operations, can reach the purpose for reducing energy resource consumption, improving efficiency, obtaining good energy-saving effect.
Description
Technical field
It the utility model is related to a kind of computer room heat pipe air conditioner using VRV systems, and in particular to a kind of variable refrigerant volume
Technology.
Background technology
With the fast development of internet, cloud computing, big data etc., data enter all trades and professions comprehensively, therefore promote
The Large scale construction of data center module is entered.Because electronic computer and density of equipment in data processing computer room are big, caloric value is big, and
Computer system has very strict requirements to the humiture of environment, dust content etc., therefore should set air-conditioning system.Traditional
Air conditioner in machine room relies on merely vapor compression refrigeration, and energy consumption is big, can not meet the requirement of energy-saving and emission-reduction.
And heat pipe-type air conditioner in machine room can effectively utilize low-temperature receiver, so as to realize energy-conservation.Heat pipe-type air conditioner in machine room unit
Wind system is made up of the indoor hot air circulatory system and outdoor cold air circulating system, work of the hot-air in hot side circulating fan in computer room
With dirty overheat tubular type air conditioner group hot side, by producing enthalpy drop during heat-pipe heat exchanger, suitable epidemic disaster is arrived in processing
And computer room is re-fed into after cleanliness factor, so as to reduce the temperature in computer room, ensure the environmental condition in computer room；Outdoor cold wind follows
Ring is open circulation, and outdoor cold air takes away heat using outdoor cooling fan as power when flowing through heat exchange of heat pipe.
But when outdoor temperature higher than heat pipe condensation needed for temperature when, hot-pipe system cannot normal operation, now still need
To use vapor compression refrigeration system.But existing air conditioner in machine room uses constant speed compressor, when computer room internal loading is low, multigroup pressure more
The normal operation of contracting machine certainly will cause the increase of energy consumption of machine room, and the service life of compressor can also reduce.And refrigerant constant flow
In heat pipe/refrigeration system, vapor-compression cycle refrigeration with heat pipe circularly cooling process is different to refrigerant liquid filled ratio demand asks
Topic is not resolved, and the former refrigerant liquid filled ratio can not be too high, otherwise can reduce compressor efficiency, and in the latter's evaporator
Optimum state is full liquid, to make heat-transfer area fully be contacted with liquid refrigerant, obtains the higher coefficient of heat transfer.If such as modern computer room
The described two systems of air-conditioning use identical refrigerant liquid filled ratio, then system can not realize high-efficiency operation.
Variable refrigerant volume（Varied Refrigerant Volume, abbreviation VRV）Air-conditioning system is that a kind of cryogen formula is empty
Adjusting system, using refrigerant as pumped (conveying) medium, outdoor host computer is made up of the heat exchanger of outside, compressor and other refrigeration annexes,
The indoor set that end equipment is made up of direct-evaporation-type heat exchanger and blower fan.
The content of the invention
In order to overcome shortcoming and deficiency existing for prior art, the utility model provides a kind of machine using VRV systems
Room heat pipe air conditioner, by adjusting refrigerant liquid filled ratio, air-conditioning is realized in frequency conversion vapor-compression cycle refrigeration and heat pipe circulation system
Operated under cold state with the optimal liquid filled ratio of refrigerant, reduce energy resource consumption, improved efficiency, obtain good energy-saving effect.
Technical scheme is used by the utility model solves its technical problem：
A kind of computer room heat pipe air conditioner using VRV systems, including vapor compression refrigeration system, control system and heat pipe circulation
Refrigeration system；The control system passes through No. 1 check valve, No. 2 check valves and vapor compression refrigeration system, heat pipe circulation system respectively
Cooling system is corresponding to be connected；
The vapor compression refrigeration system, including some compressors in parallel, in each compressor, at least one compression
Machine is frequency-changeable compressor；
The control system, including indoor and outdoor Temperature Humidity Sensor, control device, electrical control gear and cold-producing medium stream
Amount control device；
The indoor and outdoor Temperature Humidity Sensor, for detecting Outdoor Air Parameters, indoor environment parameter, and by detected by
Numeric feedback to control device；Wherein：Indoor environment parameter includes indoor temperature, indoor humidity, and Outdoor Air Parameters include
Outdoor temperature, outside humidity；
Pass through refrigerant flow controlling device, electrical control gear and control device phase after the compressor parallel respectively
Even；
The control device, the number fed back by default indoor environment parameter and indoor and outdoor Temperature Humidity Sensor
Value, the operational factor of vapor compression refrigeration system, heat pipe cycle refrigeration system is controlled by electrical control gear, passes through refrigerant
Volume control device control vapor compression refrigeration system, the refrigerant flow parameter of heat pipe cycle refrigeration system；
When the outdoor temperature that indoor and outdoor Temperature Humidity Sensor is fed back is higher than heat pipe condensation institute in heat pipe cycle refrigeration system
When needing temperature, under control of the control means, vapor compression refrigeration system is run, close heat pipe cycle refrigeration system；Control dress
Put the Outdoor Air Parameters fed back according to the indoor environment parameter and indoor and outdoor Temperature Humidity Sensor of setting, instruction electrical control dress
Put number of units, the operational factor of control compressor；Indicate the refrigerant flow parameter of refrigerant flow controlling device control compressor；
When the outdoor temperature that indoor and outdoor Temperature Humidity Sensor is fed back is less than heat pipe condensation institute in heat pipe cycle refrigeration system
Need temperature, and when both differences make it that computer room fails to reach preset indoor temperature, under control of the control means, run simultaneously
Vapor compression refrigeration system, heat pipe cycle refrigeration system；Control device condenses temperature computation according to Outdoor Air Parameters and heat pipe
Go out the maximum cooling capacity of heat pipe, further according to indoor environment parameter and the indoor environment parameter of setting calculate needed for overall refrigerating effect,
Finally obtain the difference of the maximum cooling capacity of overall refrigerating effect and heat pipe；Refrigerant flow controlling device is made according to the maximum of foregoing heat pipe
Cold controls the refrigerant amount needed for heat pipe cycle refrigeration system process of refrigerastion, is freezed according to overall refrigerating effect and the maximum of heat pipe
The difference of amount, to control the refrigerant amount needed for vapor compression refrigeration system process of refrigerastion；
When the outdoor temperature that indoor and outdoor Temperature Humidity Sensor is fed back is less than heat pipe condensation institute in heat pipe cycle refrigeration system
Need temperature, and when both differences enable the computer room to reach preset indoor temperature, under control of the control means, close steam
Compression refrigerating system, run heat pipe cycle refrigeration system.
According to above-mentioned technical scheme, relative to prior art, the utility model has the following advantages：
The utility model provides a kind of computer room heat pipe air conditioner rational in infrastructure, using VRV systems, by controlling circulation loop
In refrigerant liquid filled ratio, realize air-conditioning frequency conversion vapor-compression cycle refrigeration and heat pipe circularly cooling state under with refrigerant
Optimal liquid filled ratio is operated, and meets the high efficiency of indoor cooling and heating load requirement；In addition, the utility model is according to outdoor temperature
It is different so that described computer room heat pipe air conditioner has three kinds of mode of operations, and can reach reduces energy resource consumption, improve efficiency, obtain
Obtain the purpose of good energy-saving effect.
Brief description of the drawings
Fig. 1 is a kind of control figure of computer room heat pipe air conditioner using VRV systems of the utility model；
Fig. 2 is the system diagram of only operation frequency conversion vapor-compression cycle refrigeration；
Fig. 3 is to carry out frequency conversion vapor-compression cycle refrigeration and the system diagram of heat pipe circularly cooling simultaneously；
Fig. 4 is the system diagram for only running heat pipe circularly cooling；
Wherein, 1- throttling arrangements；2- condensers；3- condenser fans；4- compressor sets；5- evaporators；6- evaporator wind
Machine；7- vapor compression refrigeration systems；8-1 check valves；9- refrigerant flow controlling devices；10- electrical control gears；No. 11-2
Check valve；12- control systems；Heat pipe evaporator in 13- rooms；14- heat pipe evaporator blower fans；Heat pipe outside 15- rooms；
16- heat pipe blower fans；17- heat pipe cycle refrigeration systems；18- airducts；19- filter screens；20- humidifiers；21- indoor circulations
Blower fan.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the embodiment of the utility model is carried out
Clearly and completely describing, it is clear that described embodiment is only the utility model part of the embodiment, rather than whole
Embodiment.The description only actually at least one exemplary embodiment is illustrative to be never used as to this practicality below
New and its application or any restrictions used.Based on the embodiment in the utility model, those of ordinary skill in the art are not having
There is the every other embodiment made and obtained under the premise of creative work, belong to the scope of the utility model protection.Unless
Illustrate in addition, the part that otherwise illustrates in these embodiments and step it is positioned opposite.Expression formula and the unlimited system of numerical value
The scope of the utility model.Simultaneously, it should be appreciated that for the ease of description, the size of the various pieces shown in accompanying drawing is not
It is to be drawn according to the proportionate relationship of reality.May for technology, method and apparatus known to person of ordinary skill in the relevant
It is not discussed in detail, but in the appropriate case, the technology, method and apparatus should be considered as authorizing part for specification.
In shown here and discussion all examples, any occurrence should be construed as merely exemplary, not as limit
System.Therefore, the other examples of exemplary embodiment can have different values.
For the ease of description, space relative terms can be used herein, as " ... on ", " ... top ",
" ... upper surface ", " above " etc., for describing such as a device shown in the figure or feature and other devices or spy
The spatial relation of sign.It should be appreciated that space relative terms are intended to comprising the orientation except device described in figure
Outside different azimuth in use or operation.For example, if the device in accompanying drawing is squeezed, it is described as " in other devices
It will be positioned as " under other devices or construction after the device of part or construction top " or " on other devices or construction "
Side " or " under other devices or construction ".Thus, exemplary term " ... top " can include " ... top " and
" in ... lower section " two kinds of orientation.The device can also other different modes positioning (being rotated by 90 ° or in other orientation).
As Figure 1-4, the utility model discloses a kind of computer room heat pipe air conditioner using VRV systems, it includes steam
Compression refrigerating system 7, control system 12 and heat pipe cycle refrigeration system 17.Vapor compression refrigeration system 7 and the heat pipe circulation
Refrigeration system 17 is connected by check valve with control system 12；Wherein：
The vapor compression refrigeration system 7 includes evaporator 5, evaporator fan 6, compressor set 4, condenser 2, condenser
Blower fan 3, throttling arrangement 1；The compressor set 4 includes some compressors in parallel, and an at least compressor is frequency conversion
Compressor；The low-temp low-pressure outlet of the condenser 2 is connected by throttling arrangement 1 with evaporator 5；
The control system 12 includes control device, indoor and outdoor Temperature Humidity Sensor, electrical control gear 10 and refrigerant
Volume control device 9, the environment that the electrical control gear 10 obtains according to setup parameter and indoor and outdoor Temperature Humidity Sensor are joined
The operational factor and refrigerant flow parameter of numerical control compressor；The refrigerant flow controlling device 9 is installed on control system
12 outlets, the controlled device control of its flow parameter, so as to realize that refrigerant liquid filled ratio is adjustable；
The heat pipe cycle refrigeration system 17 includes indoor heat pipe evaporator 13, heat pipe evaporator blower fan 14, outdoor heat pipe
Heat-exchanger rig 15, heat pipe blower fan 16.
Control system described in the utility model, according to the difference of outdoor temperature, control heat pipe cycle refrigeration system, steam
Compression refrigerating system, it is specific as follows：
When the outdoor temperature that indoor and outdoor Temperature Humidity Sensor is fed back is higher than heat pipe condensation institute in heat pipe cycle refrigeration system
When needing temperature, under control of the control means, vapor compression refrigeration system is run, close heat pipe cycle refrigeration system；Control dress
Put the Outdoor Air Parameters fed back according to the indoor environment parameter and indoor and outdoor Temperature Humidity Sensor of setting, instruction electrical control dress
Put number of units, the operational factor of control compressor；Indicate the refrigerant flow parameter of refrigerant flow controlling device control compressor；
When the outdoor temperature that indoor and outdoor Temperature Humidity Sensor is fed back is less than heat pipe condensation institute in heat pipe cycle refrigeration system
Need temperature, and when both differences make it that computer room fails to reach preset indoor temperature, under control of the control means, run simultaneously
Vapor compression refrigeration system, heat pipe cycle refrigeration system；Control device condenses temperature computation according to Outdoor Air Parameters and heat pipe
Go out the maximum cooling capacity of heat pipe, further according to indoor environment parameter and the indoor environment parameter of setting calculate needed for overall refrigerating effect,
Finally obtain the difference of the maximum cooling capacity of overall refrigerating effect and heat pipe；Refrigerant flow controlling device is made according to the maximum of foregoing heat pipe
Cold controls the refrigerant amount needed for heat pipe cycle refrigeration system process of refrigerastion, is freezed according to overall refrigerating effect and the maximum of heat pipe
The difference of amount, to control the refrigerant amount needed for vapor compression refrigeration system process of refrigerastion；
When the outdoor temperature that indoor and outdoor Temperature Humidity Sensor is fed back is less than heat pipe condensation institute in heat pipe cycle refrigeration system
Need temperature, and when both differences enable the computer room to reach preset indoor temperature, under control of the control means, close steam
Compression refrigerating system, run heat pipe cycle refrigeration system.
In addition, in the utility model, the deterministic process of used control device, for those skilled in the art,
It is the application of existing computer program, is not the improved content of the application；Meanwhile arrived designed by the utility model electric
Control device, the electrical control gear commonly used in existing air-conditioning system can also be used, nor the utility model is improved
Content.
Below with reference to accompanying drawing, the herein described computer room heat pipe air conditioner using VRV systems is explained, according to outdoor
The difference of temperature, three kinds of courses of work having：
As shown in Fig. 2 when outdoor temperature is higher, i.e., outdoor temperature is higher than during temperature, control system is only needed for heat pipe condensation
Run frequency conversion vapor-compression cycle process of refrigerastion, close heat pipe circularly cooling process, and according to the indoor environment parameter of setting and
Outdoor Air Parameters control number of units, operational factor and the refrigerant flow parameter of compressor.Start compressor set 4 first, pass through
Control system 12, frequency-changeable compressor is opened when air conditioner in machine room load is relatively low, when load reaches the frequency-changeable compressor upper limit, opened
Constant speed compressor simultaneously closes frequency-changeable compressor, when load is more than constant speed compressor busy hour, while opens frequency-changeable compressor
With constant speed compressor.The flow value that refrigerant calculates setting with refrigerant flow controlling device 9 enters entry loop, is pressed through compressor 4
Be changed into high temperature and high pressure gas after contracting, after be delivered to outdoor condenser 2 and condense, steamed after the decompression of throttling arrangement 1 into evaporator 4
Hair, absorb in computer room and flow back to compressor 4 after heat.
As shown in figure 3, when outdoor temperature is relatively low, i.e., outdoor temperature is less than temperature needed for heat pipe condensation, but the two difference is not
, it is necessary to carry out frequency conversion vapor-compression cycle process of refrigerastion and heat pipe circularly cooling simultaneously when can make the whole computer room reach preset temperature
Process.Opposite heat tube circularly cooling process carries out topping up first, and control system is first according to Outdoor Air Parameters and heat pipe condensation temperature
The maximum cooling capacity of heat pipe is calculated, so as to obtain entering the refrigerant amount needed for heat pipe circularly cooling process, carries out topping up；Root again
Carried according to overall refrigerating effect, overall refrigerating effect needed for indoor environment parameter and the calculating of the target component of setting with heat pipe circularly cooling process
The difference of the refrigerating capacity of confession, provided by frequency conversion vapor-compression cycle process of refrigerastion, and be filled with corresponding refrigerant amount.Compressor
Run number of units and parameter is same as above, start compressor 4 first, the refrigerant is after the compression of compressor 4 in outdoor condenser 2
Middle condensation, evaporated after the decompression of throttling arrangement 1 into evaporator 5；Meanwhile start indoor heat pipe evaporator in heat pipe circulation loop
13 enter outdoor heat pipe 15 with outdoor heat pipe blower fan 16, outdoor cold air through blower fan 16, and refrigerant exists
Absorb heat and evaporate in indoor heat pipe vaporising device 13, condensed after being exchanged heat in outdoor heat exchange of heat pipe 15 with cold air.
As shown in figure 4, when outdoor temperature is sufficiently low, i.e., outdoor temperature is less than temperature needed for heat pipe condensation, and the two is poor
When value can make the whole computer room reach preset temperature, control system closes frequency conversion vapor-compression cycle refrigeration, only carries out heat pipe circulation
Process of refrigerastion.All compressors 4 are closed, open indoor evaporator 13 and outdoor heat exchanger blower fan 16 in heat pipe circuit, it is outdoor cold
Air enters outdoor heat pipe 15 through blower fan 16, and refrigerant absorbs heat in heat pipe vaporising device 13 evaporation indoors, in room
Condensed after being exchanged heat in outer heat exchange of heat pipe 15 with cold air.
Claims (10)
1. a kind of computer room heat pipe air conditioner using VRV systems, including vapor compression refrigeration system, control system and heat pipe circulation system
Cooling system；The control system passes through No. 1 check valve, No. 2 check valves and vapor compression refrigeration system, heat pipe circularly cooling respectively
System is corresponding to be connected；Characterized in that,
The vapor compression refrigeration system, including some compressors in parallel, in each compressor, at least a compressor is
Frequency-changeable compressor；
The control system, including indoor and outdoor Temperature Humidity Sensor, control device, electrical control gear and refrigerant flow control
Device processed；
The indoor and outdoor Temperature Humidity Sensor, for detecting Outdoor Air Parameters, indoor environment parameter, and by detected number
Value feeds back to control device；Wherein：Indoor environment parameter includes indoor temperature, indoor humidity, and Outdoor Air Parameters include outdoor
Temperature, outside humidity；
It is connected respectively by refrigerant flow controlling device, electrical control gear with control device after the compressor parallel；
The control device, the numerical value fed back by default indoor environment parameter and indoor and outdoor Temperature Humidity Sensor, lead to
Electrical control gear control vapor compression refrigeration system, the operational factor of heat pipe cycle refrigeration system are crossed, passes through refrigerant flow
Control device control vapor compression refrigeration system, the refrigerant flow parameter of heat pipe cycle refrigeration system.
2. the computer room heat pipe air conditioner of VRV systems is used according to claim 1, it is characterised in that the vapour compression refrigeration
System also includes evaporator, condenser, throttling arrangement；The low-temp low-pressure outlet of the condenser passes through throttling arrangement and evaporator
It is connected.
3. the computer room heat pipe air conditioner of VRV systems is used according to claim 2, it is characterised in that described evaporator is furnished with
Evaporator fan, described condenser are furnished with condenser fan.
4. the computer room heat pipe air conditioner of VRV systems is used according to claim 2, it is characterised in that described throttling arrangement is
Electric expansion valve.
5. the computer room heat pipe air conditioner of VRV systems is used according to claim 1, it is characterised in that described heat pipe circulation system
Cooling system includes indoor heat pipe evaporator, outdoor heat pipe；The indoor heat pipe evaporator is equipped with heat pipe evaporator
Blower fan, and outdoor heat pipe is then equipped with heat pipe blower fan.
6. the computer room heat pipe air conditioner of VRV systems is used according to claim 1, it is characterised in that the heat pipe circularly cooling
The condenser of the outdoor heat pipe and vapor compression refrigeration system of system is integral type structure；And condenser is located outside
The top of heat pipe.
7. the computer room heat pipe air conditioner of VRV systems is used according to claim 1, it is characterised in that the heat pipe circularly cooling
The evaporator of the indoor heat pipe evaporator and vapor compression refrigeration system of system is integral type structure；And evaporator is located at Indoor Thermal
The top of pipe evaporator.
8. the computer room heat pipe air conditioner of VRV systems is used according to claim 2, it is characterised in that the refrigerant flow control
Device processed includes some regulating valves, a fluid reservoir, and the volume of the fluid reservoir is more than the maximum system needed for whole system operation
Cryogen amount.
9. the computer room heat pipe air conditioner of VRV systems is used according to claim 8, it is characterised in that described fluid reservoir is close
The pipeline of the evaporator outlet is provided with check valve, and described check valve turns on towards compressor direction.
10. according to claim 1 use VRV systems computer room heat pipe air conditioner, it is characterised in that computer room by airduct with
The air inlet connection of computer room heat pipe air conditioner, and airduct is provided with filter in the air inlet opening position order close to computer room heat pipe air conditioner
Net, humidifier；The air outlet of the computer room heat pipe air conditioner is connected by indoor circulation blower fan with computer room.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720208844.4U CN206637769U (en) | 2017-03-06 | 2017-03-06 | Using the computer room heat pipe air conditioner of VRV systems |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720208844.4U CN206637769U (en) | 2017-03-06 | 2017-03-06 | Using the computer room heat pipe air conditioner of VRV systems |
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| Publication Number | Publication Date |
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| CN206637769U true CN206637769U (en) | 2017-11-14 |
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| CN201720208844.4U Active CN206637769U (en) | 2017-03-06 | 2017-03-06 | Using the computer room heat pipe air conditioner of VRV systems |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109297099A (en) * | 2018-11-30 | 2019-02-01 | 常州工程职业技术学院 | Heat pipe manifold type air-conditioning |
-
2017
- 2017-03-06 CN CN201720208844.4U patent/CN206637769U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109297099A (en) * | 2018-11-30 | 2019-02-01 | 常州工程职业技术学院 | Heat pipe manifold type air-conditioning |
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