CN206478771U - A kind of multiple computer-room air conditioning system - Google Patents

A kind of multiple computer-room air conditioning system Download PDF

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Publication number
CN206478771U
CN206478771U CN201621023754.XU CN201621023754U CN206478771U CN 206478771 U CN206478771 U CN 206478771U CN 201621023754 U CN201621023754 U CN 201621023754U CN 206478771 U CN206478771 U CN 206478771U
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CN
China
Prior art keywords
conditioning system
condenser
room air
compressor
air conditioning
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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.)
Expired - Fee Related
Application number
CN201621023754.XU
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Chinese (zh)
Inventor
王君
石文星
史作君
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Anhui Junjie New Energy Science And Technology Co Ltd
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Anhui Junjie New Energy Science And Technology Co Ltd
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Priority to CN201621023754.XU priority Critical patent/CN206478771U/en
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Publication of CN206478771U publication Critical patent/CN206478771U/en
Expired - Fee Related legal-status Critical Current
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Abstract

The utility model discloses a kind of multiple computer-room air conditioning system, multiple computer-room air conditioning system includes one or more air-conditioning outdoor modules and one or more indoor modules, and closed circulation system is constituted between outdoor module and indoor module by feed pipe and muffler;Outdoor module is independently made up of condenser, or be made up of compressor, oil eliminator, condenser, indoor module is constituted by evaporator and positioned at the throttling arrangement of evaporator inlet, compressor is determined to compose in parallel frequently by one or more frequency-changeable compressors or a frequency-changeable compressor with multiple, and the entrance of oil eliminator is connected with compressor set exhaust outlet;The entrance of condenser is connected with the outlet of oil eliminator;Throttling arrangement outlet is connected with evaporator inlet;Throttling arrangement is electric expansion valve.The existing modular computer-room air conditioning system research and development of the utility model reduction, manufacturing cost, give full play to multi-joint computer room air-conditioning part point part throttle characteristics, energy-conserving and environment-protective.

Description

A kind of multiple computer-room air conditioning system
Technical field
The utility model is related to air-conditioning technical field, specially a kind of multiple computer-room air conditioning system.
Background technology
The fast development of information industry and digital Construction, has promoted computer room, the quantity of base station, and construction scale quickly increases Long, computer room, the energy consumption of base station air conditioner account for the 40%~50% of its total energy consumption according to statistics.Computer room, the sensible heat load of base station compare big, and one The four seasons in year need to continuously be run, and side design temperature is less than the season of outside temperature indoors, and conventional air-conditioning system still needs to continue Compression-type refrigerating system is run, refrigeration system inefficiency and is easily broken down, if can be inexpensive using indoor/outdoor temperature-difference Conveying heat provides cold for indoor, will greatly reduce the energy consumption and operating cost of air-conditioning system.In the high warm season such as summer Section is by using the cold achievable refrigeration system Effec-tive Function in ground, significantly lifting system efficiency.It is room using outdoor Cryogenic air The method that inner side provides cold has obtained the concern of scholar in the industry and engineers and technicians, and deploys engineering skill in different forms Art research, the VMC such as used at present, in addition with various forms of gas-gas, air-water heat-exchange system, and application The composite air conditioner of hot pipe technique.
Utility model patent 201310410064.4 discloses a kind of multiple computer-room air conditioning system, will by heat-exchanger rig Steam compressed unit and loop heat pipe unit cooling intercouples, and it is many that utility model patent 201410046876.X discloses one kind Join heat pipe machine room air-conditioning system, it is possible to achieve vapor compression refrigeration cools down independent operating with loop heat pipe or run simultaneously, realizes The independent control of computer room temperature and humidity, but systematic comparison is complicated, and cost is high;
Utility model patent 201410549491.5 discloses a kind of combined type refrigerant multi-gang air conditioner, and outside is set Two or more outdoor combined type refrigerant module composition combined air conditioners, indoor is by direct evaporation air cooler module structure Into, convey cold under refrigerated medium pump effect, but the system is to be composited by hot-pipe system with refrigeration system overlapping, cost compared with It is high;Utility model patent 200610011335.9 discloses a kind of liquid pump to supply refrigerant VRF Air Conditioning System, and the system passes through one The low-temp low-pressure refrigerant that refrigeration system is produced is stored in low-pressure liquid storing tank and conveyed under refrigerated medium pump effect by low-pressure liquid storing tank To each end evaporator, refrigerated medium pump cost is higher;It is naturally cold that utility model patent 200910235429.8 discloses a kind of band But the liquid pump to supply refrigerant VRF Air Conditioning System of function, realizes that unit carries out refrigeration mode and natural cooling by different valve start and stop Pattern, system stills need refrigerated medium pump driving cycle.
Utility model content
The purpose of this utility model is to provide a kind of multiple computer-room air conditioning system, controls to compress by control unit The running status of machine, condenser and throttling arrangement, reduces air-conditioning system because producing the power that cold is consumed, and then realize The energy-saving and emission-reduction of air-conditioning system.
To achieve the above object, the utility model provides following technical scheme:A kind of multiple computer-room air conditioning system, including Multiple computer-room air conditioning system and control unit, the multiple computer-room air conditioning system include one or more air-conditioning outdoor modules With one or more indoor modules, closed cycle system is constituted between outdoor module and indoor module by feed pipe and muffler System;
Outdoor module is independently made up of condenser, or is made up of compressor, oil eliminator, condenser, and indoor module is by steaming Send out device and the throttling arrangement positioned at evaporator inlet is constituted, the compressor is by one or more frequency-changeable compressors or a frequency conversion Compressor is determined to compose in parallel frequently with multiple,
The entrance of the oil eliminator is connected with compressor set exhaust outlet;
The entrance of the condenser is connected with the outlet of oil eliminator;
The outlet of the condenser is connected with throttling arrangement entrance;
The throttling arrangement outlet is connected with evaporator inlet;Throttling arrangement is electric expansion valve;
The evaporator outlet is connected with plasticator;
In the outdoor module can according to real needs install check valve, capillary, gas-liquid separator, reservoir, regarding liquid Mirror or device for drying and filtering.
Further, the condenser is water-cooled condenser, air-cooled condenser or evaporative condenser.
Further, when system is used in outdoor high circumstance temperature or Super long tube operating mode, air-conditioning system can use cold loop true Insurance system is reliable and stable, and the subcooler crossed in cold loop is for plate type heat exchanger, double pipe heat exchanger or with backheat fluid reservoir.
Further, the air-conditioning system be directed to actual use operating mode can also using compressor parallel, hot gas bypass circuit, Quick oil return apparatus, pressure equaliser or liquid-jet cooling device system architecture.
Compared with prior art, the beneficial effects of the utility model are:The multiple air conditioner in machine room that the utility model is provided System, the utility model controls the running status of compressor, the blower fan of condenser and throttling arrangement by control unit, realizes Air-conditioning system cold, sensible heat ratio meet computer room demand, and the utility model air-conditioning system reduces existing modular computer-room air conditioning system Research and development, manufacturing cost, give full play to multi-joint computer room air-conditioning part point part throttle characteristics, energy-conserving and environment-protective.
Brief description of the drawings
Fig. 1 is multiple computer-room air conditioning system schematic diagram;
Fig. 2 is a kind of structural representation of the utility model embodiment;
Fig. 3 is another structural representation of the utility model embodiment.
In figure:1st, compressor, 2, oil eliminator, 3, condenser, 4, throttling arrangement, 5, evaporator, 6, check valve, 7, capillary Pipe, 8, outdoor module, 9, indoor module.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the utility model embodiment is carried out Clearly and completely describe, it is clear that described embodiment is only a part of embodiment of the utility model, rather than whole Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are not under the premise of creative work is made The every other embodiment obtained, belongs to the scope of the utility model protection.
Embodiment 1, refers to figure, and the utility model provides a kind of technical scheme:A kind of multiple computer-room air conditioning system, bag Multiple computer-room air conditioning system and control unit are included, multiple computer-room air conditioning system includes one or more air-conditioning outdoor modules 8 With one or more indoor modules 9, enclosed is constituted between outdoor module 8 and indoor module 9 by feed pipe and muffler and followed Loop system;
Outdoor module 8 is independently made up of condenser 3, or is made up of compressor 1, oil eliminator 2, condenser 3, indoor module Constituted by evaporator and positioned at the throttling arrangement of evaporator inlet, compressor 1 is become by one or more frequency-changeable compressors or one Frequency compressor is determined to compose in parallel frequently with multiple,
The entrance of oil eliminator 2 is connected with the exhaust outlet of compressor 1;
The entrance of condenser 3 is connected with the outlet of oil eliminator 2;
The outlet of condenser 3 is connected with the entrance of throttling arrangement 4;
The outlet of throttling arrangement 4 is connected with the entrance of evaporator 5;Throttling arrangement 4 is electric expansion valve;
In outdoor module 8 can according to real needs install check valve, capillary, gas-liquid separator, reservoir, liquid-sighting glass or Device for drying and filtering,
Air conditioner in machine room target evaporating temperature or evaporating pressure or back pressure are set in an interval value, it is single by controlling Member control outdoor compressor running status makes indoor set evaporating temperature or evaporating pressure or back pressure in interval value, evaporation temperature Degree or evaporating pressure or back pressure interval value can be as needed depending on situations, system evaporating temperature or evaporating pressure or return-air pressure Power is checked once every 10-60s.
The target superheat degree of air conditioner in machine room indoor module 9 is set in an interval value, the throttling arrangement of indoor module 94 Computer room load and epidemic disaster demand when accordingly, control unit control the degree of superheat of indoor module 9 in interval value, degree of superheat area Between value can as the case may be depending on, system overheat degree every 10-60s check once.
Initialization system degree of supercooling is in an interval value, and the rotation speed of fan of control unit control outdoor compressor 1 makes system Degree of supercooling in interval value, supercooling angle value can as the case may be depending on, system degree of supercooling every 10-60s check once.Or root According to outdoor environment temperature control outdoor fan rotation speed regulating and controlling system discharge pressure (condensing pressure).
When system detectio indoor temperature is less than setting value T+ Δ T, compressor carries out frequency reducing action;When in system detectio room When temperature is higher than setting value T- Δ T, compressor carries out raising frequency action;Wherein Δ T is design temperature deviation.
When frequency-changeable compressor is in running status in outdoor module, calculates compressor and add up low-frequency operation time t, according to The t times determine that system enters oil return pattern;The frequency values of wherein described low frequency can be set according to specific operating mode, and time t also can root According to specific operating condition design.
When air-conditioning outdoor module 8 is that multiple compressors 1 are parallel, for all air-conditioning outdoor modules 8 in institute's system, use First open, the method for operation on duty by turns first stopped is operated;For all compressors 1 in system, same use first is opened, the wheel first stopped The value method of operation is operated, and the start and stop interval time for setting each compressor 1 is 3~5 minutes.
Condenser 3 is water-cooled condenser, air-cooled condenser or evaporative condenser.
When system is used in outdoor high circumstance temperature or Super long tube operating mode, air-conditioning system can use cold loop to ensure that system is steady It is fixed reliable.
Air-conditioning system is directed to Shi Jishiyong operating mode can also be using compressor parallel, hot gas bypass circuit, quick oil return dress Put, pressure equaliser or liquid-jet cooling device system architecture, the combination or part that more than use several systems are not limited combine Form.
Using in 37.8 DEG C of air conditioner in machine room indoors, sensible heat ratio demand, 17 ± 2 DEG C of control targe evaporating temperature, mesh are taken into account 2-8 DEG C of the degree of superheat is marked, system is using the combination of an outdoor module 8 and multiple indoor modules 9, multiple indoor module expansion valve controls Principle processed is met:The small degree of superheat of big load;If now load is maximum for one of them interior machine, refrigeration demand is maximum, then indoor module The control degree of superheat is minimum 2 DEG C, and composite demand is minimum in other indoor modules 9, then controls the degree of superheat maximum 8 DEG C, between maximum, most As long as the degree of superheat of indoor module 9 between Smaller load is 2-8 DEG C in the range of target superheat degree.
It is described above, only the utility model preferably embodiment, but protection domain of the present utility model is not This is confined to, any one skilled in the art is in the technical scope that the utility model is disclosed, according to this practicality New technical scheme and its improvement design is subject to equivalent substitution or change, should all cover in protection domain of the present utility model It is interior.

Claims (4)

1. a kind of multiple computer-room air conditioning system, it is characterised in that:It is described including multiple computer-room air conditioning system and control unit Multiple computer-room air conditioning system includes one or more air-conditioning outdoor modules and one or more indoor modules, by feed pipe and Muffler constitutes closed circulation system between outdoor module and indoor module;
Outdoor module is independently made up of condenser, or is made up of compressor, oil eliminator, condenser, and indoor module is by evaporator With the throttling arrangement composition positioned at evaporator inlet, the compressor is compressed by one or more frequency-changeable compressors or a frequency conversion Machine is determined to compose in parallel frequently with multiple,
The entrance of the oil eliminator is connected with compressor set exhaust outlet;
The entrance of the condenser is connected with the outlet of oil eliminator;
The outlet of the condenser is connected with throttling arrangement entrance;
The throttling arrangement outlet is connected with evaporator inlet;Throttling arrangement is electric expansion valve;
The evaporator outlet is connected with plasticator;
In the outdoor module can according to real needs install check valve, capillary, gas-liquid separator, reservoir, liquid-sighting glass or Device for drying and filtering.
2. a kind of multiple computer-room air conditioning system according to claim 1, it is characterised in that:The condenser is that water cooling is cold Condenser, air-cooled condenser or evaporative condenser.
3. a kind of multiple computer-room air conditioning system according to claim 1 or 2, it is characterised in that:When system is used in room When outer high circumstance temperature or Super long tube operating mode, air-conditioning system can use cold loop to ensure that system is reliable and stable, the mistake crossed in cold loop Cooler is for plate type heat exchanger, double pipe heat exchanger or with backheat fluid reservoir.
4. a kind of multiple computer-room air conditioning system according to claim 1, it is characterised in that:The air-conditioning system is for real Border applying working condition can also be cold using compressor parallel, hot gas bypass circuit, quick oil return apparatus, pressure equaliser or hydrojet But system structure of device.
CN201621023754.XU 2016-08-30 2016-08-30 A kind of multiple computer-room air conditioning system Expired - Fee Related CN206478771U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201621023754.XU CN206478771U (en) 2016-08-30 2016-08-30 A kind of multiple computer-room air conditioning system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201621023754.XU CN206478771U (en) 2016-08-30 2016-08-30 A kind of multiple computer-room air conditioning system

Publications (1)

Publication Number Publication Date
CN206478771U true CN206478771U (en) 2017-09-08

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112616291A (en) * 2020-11-26 2021-04-06 华为技术有限公司 Data center device

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112616291A (en) * 2020-11-26 2021-04-06 华为技术有限公司 Data center device

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CF01 Termination of patent right due to non-payment of annual fee
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Granted publication date: 20170908

Termination date: 20190830