CN104613667B - Combined air-conditioning system and control method thereof - Google Patents

Combined air-conditioning system and control method thereof Download PDF

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Publication number
CN104613667B
CN104613667B CN201510091892.5A CN201510091892A CN104613667B CN 104613667 B CN104613667 B CN 104613667B CN 201510091892 A CN201510091892 A CN 201510091892A CN 104613667 B CN104613667 B CN 104613667B
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China
Prior art keywords
valve body
conditioning system
refrigeration
heat
air conditioning
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CN201510091892.5A
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Chinese (zh)
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CN104613667A (en
Inventor
王飞
张世国
吴默
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Midea Group Co Ltd
Guangdong Midea HVAC Equipment Co Ltd
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Midea Group Co Ltd
Guangdong Midea HVAC Equipment Co Ltd
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Priority to CN201510091892.5A priority Critical patent/CN104613667B/en
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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F5/00—Air-conditioning systems or apparatus not covered by F24F1/00 or F24F3/00, e.g. using solar heat or combined with household units such as an oven or water heater
    • F24F5/0007—Air-conditioning systems or apparatus not covered by F24F1/00 or F24F3/00, e.g. using solar heat or combined with household units such as an oven or water heater cooling apparatus specially adapted for use in air-conditioning
    • F24F5/001—Compression cycle type
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F11/00—Control or safety arrangements
    • F24F11/30—Control or safety arrangements for purposes related to the operation of the system, e.g. for safety or monitoring
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F11/00—Control or safety arrangements
    • F24F11/70—Control systems characterised by their outputs; Constructional details thereof
    • F24F11/80—Control systems characterised by their outputs; Constructional details thereof for controlling the temperature of the supplied air
    • F24F11/83—Control systems characterised by their outputs; Constructional details thereof for controlling the temperature of the supplied air by controlling the supply of heat-exchange fluids to heat-exchangers
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
    • F24F13/30—Arrangement or mounting of heat-exchangers
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F2110/00—Control inputs relating to air properties
    • F24F2110/10—Temperature
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F11/00—Control or safety arrangements
    • F24F11/70—Control systems characterised by their outputs; Constructional details thereof
    • F24F11/80—Control systems characterised by their outputs; Constructional details thereof for controlling the temperature of the supplied air
    • F24F11/83—Control systems characterised by their outputs; Constructional details thereof for controlling the temperature of the supplied air by controlling the supply of heat-exchange fluids to heat-exchangers
    • F24F11/84—Control systems characterised by their outputs; Constructional details thereof for controlling the temperature of the supplied air by controlling the supply of heat-exchange fluids to heat-exchangers using valves
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F2110/00—Control inputs relating to air properties
    • F24F2110/10—Temperature
    • F24F2110/12—Temperature of the outside air
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F2140/00—Control inputs relating to system states
    • F24F2140/20—Heat-exchange fluid temperature

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Sustainable Development (AREA)
  • Atmospheric Sciences (AREA)
  • Air Conditioning Control Device (AREA)

Abstract

nullThe invention provides a kind of combined air-conditioning system and control method thereof，For room and machine room are carried out temperature regulation，Including: room air conditioning system and the computer-room air conditioning system being attached thereto，Wherein，Heat transferring medium in room air conditioning system can carry out heat exchange by evaporation tube with the heat transferring medium in fluid reservoir in computer-room air conditioning system，And attemperating unit according to the state of outdoor ambient temperature and room air conditioning system by controlling the first refrigeration valve block、Second refrigeration valve block、First heat pipe valve body、Second heat pipe valve body、Bypass valve、Kind of refrigeration cycle valve body、Heat the circulation path being turned on and off changing heat transferring medium of valve body and the pump housing，So that computer-room air conditioning system is recyclable、Utilize the low-temperature receiver in the cold and outdoor environment discharged in room air conditioning system work process，Thus on the premise of the cold meeting computer-room air conditioning system exports and adapts with thermic load，Reduce computer-room air conditioning system because producing the power that cold is consumed，And then achieve the energy-saving and emission-reduction of product.

Description

Combined air-conditioning system and control method thereof
Technical field
The present invention relates to air-conditioning technical field, in particular to a kind of combined air-conditioning system and control thereof Method.
Background technology
At present, with information industry digital Construction and the intelligentized fast development of household electrical appliances, machine room, base station Quantity increase sharply, owing to data center's sensible heat load is big, building enclosure is closed, then machine room, base station Air conditioning system needs round-the-clock running throughout the year, and the room air conditioning system of relevant staff is then mainly used in Winter heating and cooling in summer, machine room, the energy consumption of base station air conditioner account for more than the 40% of its total energy consumption according to statistics； Specifically, for air conditioning system and the running of room air conditioning system of heat radiation in existing machine room, base station Relatively independent, in autumn and winter season, room air conditioning system is mostly in and heats duty, then room air conditioner system The off-premises station of system the most outwardly carries cold, and in existing machine room, base station for heat radiation air conditioning system without Method utilizes the low-temperature receiver in this part cold and outdoor environment to lower the temperature in machine room, it reduces product to the energy Utilization rate, meanwhile, too increase in machine room, base station for heat radiation air conditioning system produce cold burden, Thus relatively improve in machine room, base station the energy consumption of air conditioning system for heat radiation, and then reduce product Marketing dynamics, and for air conditioning system, there is also cold-starting, lubrication, energy adjustment etc. and make With integrity problem, it is unfavorable for the market competition of product.
Summary of the invention
In order to solve at least one above-mentioned technical problem, it is an object of the present invention to provide a kind of energy profit With the combined air-conditioning system that rate is high, Energy in use is low.
A kind of control method for combinations thereof formula air conditioning system of offer is provided.
In view of this, first aspect present invention embodiment provides a kind of combined air-conditioning system, for room Between and machine room carry out temperature regulation, including room air conditioning system and the machine being connected with described room air conditioning system Room air conditioning system；Wherein, described computer-room air conditioning system includes: machine room compressor, described machine room compression facility There are gas outlet and air inlet；Condenser, the entrance of described condenser is connected with described gas outlet；First system Low temperature valve body, the Single port of described first refrigeration valve block connects with described air inlet；First heat pipe valve body, described The Single port of the first heat pipe valve body connects with the entrance of described condenser；Fluid reservoir, the entrance of described fluid reservoir Outlet with described condenser；Second refrigeration valve block, the Single port of described second refrigeration valve block is with described The outlet of fluid reservoir；Second heat pipe valve body, the Single port of described second heat pipe valve body and described fluid reservoir Outlet；Machine room throttling arrangement, the entrance of described machine room throttling arrangement and described second refrigeration valve block Another port connects；The pump housing, the entrance of the described pump housing connects with the another port of described second heat pipe valve body； Vaporizer, described vaporizer is arranged in machine room, and the entrance of described vaporizer respectively with the going out of the described pump housing Mouthful and the outlet of described machine room throttling arrangement, outlet respectively with the another port of described first refrigeration valve block Connect with the another port of described first heat pipe valve body；Bypass valve, the entrance of described bypass valve and described evaporation The outlet of device, outlet connects with the entrance of described fluid reservoir；Evaporation tube, described evaporation tube is arranged on institute State in fluid reservoir, and the E port of the cross valve of the entrance of described evaporation tube and described room air conditioning system is even Logical, outlet connects with the first port of the room throttling arrangement of described room air conditioning system；Heat valve body, institute State and heat valve body and be arranged between described evaporation tube and described E port；And attemperating unit, described temperature control fills Put respectively with described first refrigeration valve block, described second refrigeration valve block, described first heat pipe valve body, described Two heat pipe valve bodies, described bypass valve, described kind of refrigeration cycle valve body, described in heat valve body and the described pump housing and connect, Ambient temperature outside sensing chamber and the temperature of fluid reservoir internal heat medium, and according to ambient temperature, change The temperature of thermal medium and the state of described room air conditioning system, control described first refrigeration valve block, described second Refrigeration valve block, described first heat pipe valve body, described second heat pipe valve body, described bypass valve, described refrigeration are followed Ring valve body, described in heat being turned on and off and the output of the described pump housing of valve body and the described pump housing.
The combined air-conditioning system that first aspect present invention embodiment provides, attemperating unit is according to outdoor environment The state of temperature, the temperature of heat transferring medium and room air conditioning system is by controlling the first refrigeration valve block, the second system Low temperature valve body, the first heat pipe valve body, the second heat pipe valve body, bypass valve, kind of refrigeration cycle valve body, heat valve body and The pump housing be turned on and off changing heat transferring medium circulation path within air-conditioning systems, and then make machine room empty Adjusting system can reclaim fully, utilize in the cold and outdoor environment discharged in room air conditioning system work process Low-temperature receiver, thus on the premise of the cold meeting computer-room air conditioning system exports and adapts with thermic load, reduce Computer-room air conditioning system is because producing the power that cold is consumed, and then achieves the energy-saving and emission-reduction of product.
According to one embodiment of present invention, described room air conditioning system includes: room compressor, described room Between compressor there is gas returning port and air vent；Described cross valve, described cross valve has D port, described E Port, S port and C port, described D port connects with described air vent, and described S port is with described Gas returning port connects；Outdoor heat exchanger, described outdoor heat exchanger is disposed in the outdoor, the one of described outdoor heat exchanger Port connects with described E port；Kind of refrigeration cycle valve body, described kind of refrigeration cycle valve body is arranged on described outdoor Between heat exchanger and described cross valve E port；Indoor heat exchanger, described indoor heat exchanger is arranged on described In room, and the Single port of described indoor heat exchanger connects with described C port；Described room throttling arrangement, Second port of described room throttling arrangement connects with the another port of described indoor heat exchanger, and described room saves Described first port of stream device connects with the another port of described outdoor heat exchanger；With select device, described Select device for controlling the duty of described room air conditioning system.
In one embodiment of the invention, when outdoor environment temperature is far above temperature in machine room, and room is empty (such as summer) in the case of adjusting system is in refrigerating state, combined air-conditioning system performs the first Working mould Formula: the first refrigeration valve block is opened, the second refrigeration valve block is opened, the first heat pipe valve body is closed, the second heat pipe valve Body is closed, bypass valve cuts out, kind of refrigeration cycle valve body is opened, heat valve body closes, the pump housing cuts out, now, Room air conditioning system and computer-room air conditioning system are in the mode of operation of refrigerating state, and both work process Relatively independent, wherein, the D port of cross valve connects with E port, C port connects with S port；Change Thermal medium circulation path in room air conditioning system is: room compressor-cross valve-kind of refrigeration cycle valve body- Outdoor heat exchanger-room throttling arrangement-indoor heat exchanger-cross valve-room compressor；Heat transferring medium is at machine room Circulation path in air conditioning system is: machine room compressor-condenser-fluid reservoir the-the second refrigeration valve block-machine room joint Stream device-vaporizer the-the first refrigeration valve block-machine room compressor；Owing to outdoor environment temperature is far above Indoor Temperature Degree so that room air conditioning system is relatively big with the thermic load of computer-room air conditioning system, therefore attemperating unit room in this programme Between work independently from each other between air conditioning system and computer-room air conditioning system to provide enough to room and machine room respectively Cold, thus ensure the refrigeration of product.
Temperature in outdoor environment temperature is slightly below machine room, and room air conditioning system is in the situation of the state of heating Under (such as autumn, spring), combined air-conditioning system performs the second mode of operation: attemperating unit controls the One refrigeration valve block is closed, the second refrigeration valve block is closed, the first heat pipe valve body is opened, the second heat pipe valve body is opened, Bypass valve cuts out, kind of refrigeration cycle valve body is closed, heated that valve body is opened, the pump housing is opened, now, and room air conditioner System is in the state of heating, and computer-room air conditioning system is in refrigerating state, but both work process are associated, Wherein, the D port of cross valve connects with C port, E port connects with S port；Heat transferring medium Circulation path in room air conditioning system is: room compressor-cross valve-indoor heat exchanger-room throttling arrangement -evaporation tube-heat valve body-cross valve-room compressor, heat transferring medium circulation flow path in computer-room air conditioning system Footpath is: vaporizer the-the first heat pipe valve body-condenser-fluid reservoir the-the second heat pipe valve body-pump-vaporizer, wherein, Heat transferring medium in evaporation tube carries out heat exchange with the heat transferring medium in fluid reservoir；After carrying out heat exchange with machine room Heat exchange medium temperature raise, high temperature heat transferring medium first at condenser with external environment heat exchange to carry out for the first time Cooling, subsequently enter in fluid reservoir, and in fluid reservoir with the heat transferring medium heat exchange in evaporation tube, to enter Row second time cooling, thus become the heat transferring medium of low temperature machine room to be lowered the temperature in being again introduced into vaporizer, should During, in computer-room air conditioning system, the heat transferring medium of circulation makes full use of low-temperature receiver and room air conditioning system in environment In heat transferring medium self is lowered the temperature, i.e. computer-room air conditioning system is not by the feelings of machine room compressor work Achieve the purpose of the cooling to machine room under condition, thus improve the capacity usage ratio of combined air-conditioning system, And then reduce the energy consumption of product.
When outdoor environment temperature is far below temperature in machine room, and room air conditioning system is in the situation of the state of heating Under (such as winter), combined air-conditioning system performs the third mode of operation: attemperating unit controls the first refrigeration Valve body is closed, the second refrigeration valve block is closed, the first heat pipe valve body is closed, the second heat pipe valve body is opened, bypassed Valve is opened, kind of refrigeration cycle valve body is closed, heated that valve body is opened, the pump housing is opened, heat transferring medium empty in room Circulation path in adjusting system is: room compressor-cross valve-indoor heat exchanger-room throttling arrangement-evaporation Managing-heat valve body-cross valve-room compressor, heat transferring medium circulation path in computer-room air conditioning system is: Vaporizer-by-pass valve body-fluid reservoir the-the second heat pipe valve body-pump-vaporizer, wherein, the heat exchange in evaporation tube is situated between Matter carries out heat exchange with the heat transferring medium in fluid reservoir；During Gai, owing to outdoor temperature be far below in machine room Temperature, then the thermic load of room air conditioning system is relatively large, the most now the heat transferring medium in room air conditioning system Flow velocity and flow the most relatively large, so that the heat exchange in the heat transferring medium in evaporation tube and fluid reservoir is situated between Between matter, heat exchanger effectiveness improves, then in this programme, merely with heat transferring medium in room air conditioning system to evaporation The high temperature heat transferring medium flowed out in device, through once lowering the temperature, can meet corresponding to computer-room air conditioning system thermic load The cooling requirement of heat transferring medium so that computer-room air conditioning system is not in the case of by machine room compressor work Achieve the purpose of the cooling to machine room, thus improve the capacity usage ratio of combined air-conditioning system, and then Reduce the energy consumption of product.
When outdoor environment temperature is far below temperature in machine room, and (such as the winter in the case of room air conditioning system shutdown Season), combined air-conditioning system performs the 4th kind of mode of operation: attemperating unit control the first refrigeration valve block close, Second refrigeration valve block is closed, the first heat pipe valve body is opened, the second heat pipe valve body is opened, bypass valve cuts out, system SAPMAC method valve body closes, heat that valve body is closed, the pump housing is opened and controls according to the temperature of heat transferring medium described The output of the pump housing, then heat transferring medium circulation path in computer-room air conditioning system is: vaporizer-the first Heat pipe valve body-condenser-fluid reservoir the-the second heat pipe valve body-pump housing-vaporizer；Heat during Gai, in machine room Measure after vaporizer is delivered to heat transferring medium, high temperature heat transferring medium nature in condenser with outdoor environment Low-temperature receiver carries out heat exchange, to reduce the temperature of heat transferring medium, owing to outdoor ambient temperature is far below in machine room Temperature, therefore it is right to utilize cold source cool-down in outdoor environment can meet computer-room air conditioning system thermic load institute in this programme The cooling requirement of the heat transferring medium answered, i.e. this programme without again by consume energy production raw food amount freeze, Thus largely avoid computer-room air conditioning system and freezed by machine room compressor work and cause on energy-output ratio Rise, i.e. on the premise of the heat exchange amount meeting computer-room air conditioning system adapts with thermic load, it is achieved that machine room is empty The energy-saving and emission-reduction of adjusting system；Meanwhile, the heat transferring medium in evaporation tube of the high temperature heat transferring medium in fluid reservoir carries Heating load, thus efficiently avoid outdoor heat exchanger and extraneous heat exchange and the situation of upper frosting occurs, and then Efficiently avoid room air conditioning system and handoff procedure causes between heating mode and defrosting mode room The situation of air conditioning system damage occurs, so, the use that the setting of this structure further increases product is reliable Property；It addition, along with the temperature in machine room is uninterrupted, attemperating unit can control institute according to the temperature of heat transferring medium Stating the output of the pump housing, it is to avoid the variations in temperature in machine room is too fast, the situation that causes damage machine sends, Thus improve the quality of product, and then add the competitiveness of product in market.
It addition, the combined air-conditioning system in above-described embodiment of present invention offer can also have following additional Technical characteristic:
According to one embodiment of present invention, described attemperating unit includes: temperature sensor, and described temperature passes Sensor is used for the ambient temperature outside sensing chamber and the temperature of fluid reservoir internal heat medium, and sends temperature letter Number；And temperature controller, described temperature controller respectively with described temperature sensor, the first refrigeration valve block, described second Refrigeration valve block, described first heat pipe valve body, described second heat pipe valve body, described bypass valve, described refrigeration are followed Ring valve body, described in heat valve body and the pump housing and connect, described temperature controller receives described temperature signal, and according to institute State temperature signal, the temperature of heat transferring medium and the state of described room air conditioning system, control the first refrigeration valve block, Described second refrigeration valve block, described first heat pipe valve body, described second heat pipe valve body, described bypass valve, institute State kind of refrigeration cycle valve body, described in heat being turned on and off and the described pump housing defeated of valve body and the described pump housing Go out power.
According to one embodiment of present invention, described temperature controller includes: processing module, and described processing module connects Receive described temperature signal, and described temperature signal is converted into temperature value；And computing module, described computing mould Block respectively with described processing module, described first refrigeration valve block, described second refrigeration valve block, described first heat Pipe valve body, described second heat pipe valve body, described bypass valve, described kind of refrigeration cycle valve body, described in heat valve body Connecting with the described pump housing, described temperature controller receives described temperature value, by described temperature value and the first preset value, Second preset value comparison obtains comparing result, and according to described comparing result and the shape of described room air conditioning system State, control described first refrigeration valve block, described second refrigeration valve block, described first heat pipe valve body, described Two heat pipe valve bodies, described bypass valve, described kind of refrigeration cycle valve body, described in heat opening of valve body and the described pump housing Open or close and the output of the described pump housing.
According to one embodiment of present invention, described combined air-conditioning system also includes: gas-liquid separator, institute Stating S port connection described in the entrance of gas-liquid separator, outlet connects with described gas returning port.
According to one embodiment of present invention, described combined air-conditioning system also includes: oil eliminator, described Air vent connection described in the entrance of oil eliminator, outlet connects with described D port.
A specific embodiment according to the present invention, described outdoor heat exchanger, described indoor heat exchanger, described Condenser and described vaporizer are finned heat exchanger.
According to one embodiment of present invention, described first refrigeration valve block, described second refrigeration valve block, described First heat pipe valve body, described second heat pipe valve body, described bypass valve, described kind of refrigeration cycle valve body and described system Thermal valve body is electromagnetic valve.
Second aspect present invention embodiment provides a kind of control method, for described in any of the above-described embodiment Combined air-conditioning system, including detecting step, the ambient temperature outside temperature control sensor sensing chamber and liquid storage The temperature of tank internal heat medium, and send temperature signal；And rate-determining steps, temperature controller receives temperature signal, And according to ambient temperature, the temperature of fluid reservoir internal heat medium and the state of room air conditioning system, control the One refrigeration valve block, the second refrigeration valve block, the first heat pipe valve body, the second heat pipe valve body, bypass valve, refrigeration are followed Ring valve body, heat being turned on and off and the output of the described pump housing of valve body and the pump housing.
According to one embodiment of present invention, rate-determining steps specifically includes: processing step, processing module is by temperature Degree signal is converted into temperature value；And calculation step, computing module receives described temperature value, by described temperature value Comparing result is obtained respectively with the first preset value and the second preset value comparison, and according to described comparing result and institute State the state of room air conditioning system, control described first refrigeration valve block, described second refrigeration valve block, described One heat pipe valve body, described second heat pipe valve body, described bypass valve, described kind of refrigeration cycle valve body, described in heat Being turned on and off and the output of the described pump housing of valve body and the described pump housing；Wherein, the first preset value More than the second preset value.
According to one embodiment of present invention, in calculation step；Described room air conditioning system is in refrigeration shape During state, described first refrigeration valve block is opened, described second refrigeration valve block is opened, described first heat pipe valve body closes Close, described second heat pipe valve body close, described bypass valve close, described kind of refrigeration cycle valve body open, described Heat valve body closedown, the described pump housing cuts out；When described room air conditioning system, to be in heating mode, temperature value big When the second preset value is less than described first default value, described first refrigeration valve block is closed, described second system Low temperature valve body is closed, described first heat pipe valve body is opened, described second heat pipe valve body is opened, described bypass valve closes Close, described kind of refrigeration cycle valve body is closed, described in heat that valve body is opened, the described pump housing is opened；When described room When air conditioning system is in the state of heating, temperature value less than described second default value, described first refrigeration valve block Close, described second refrigeration valve block is closed, described first heat pipe valve body is closed, described second heat pipe valve body is beaten Open, described bypass valve is opened, described kind of refrigeration cycle valve body close, described in heat valve body open, the described pump housing Open；When the shutdown of described room air conditioning system, temperature value are less than described second default value, described first Refrigeration valve block is closed, described second refrigeration valve block is closed, described first heat pipe valve body is opened, described second heat Pipe valve body is opened, described bypass valve close, described kind of refrigeration cycle valve body close, described in heat valve body close, The described pump housing is opened and controls the output of the described pump housing according to the temperature of heat transferring medium.
The control method that second aspect present invention embodiment provides provides for first aspect present invention embodiment Combined air-conditioning system, by setting first preset value concrete to combined air-conditioning system and second preset Value, specifically, sets the first preset value and is more than the second preset value, and make the first preset value less than temperature in machine room Degree, when outdoor ambient temperature is higher than the first preset value, then combined air-conditioning system performs the first work Pattern, computer-room air conditioning system works independently from each other between the two with room air conditioning system, specifically, is divided into two kinds Situation: 1) outdoor ambient temperature higher than temperature in machine room, such as hot summer, should in the case of, machine Room air conditioning system and room air conditioning system are in refrigerating state, and work independently from each other with respectively to room and Machine room provides enough colds；2) outdoor ambient temperature is in machine room between temperature and the first preset value, In the case of Gai, computer-room air conditioning system be in refrigerating state, and room air conditioning system is shut down or is in refrigerating state； When outdoor ambient temperature is between the first preset value and the second preset value, such as spring, autumn, then group Box-like air conditioning system performs the second mode of operation；When outdoor ambient temperature is less than the second preset value, and room Between air conditioning system be in when heating state, such as the work hours in winter, then combined air-conditioning system performs the 3rd Plant mode of operation；When outdoor ambient temperature is less than the second preset value, and when room air conditioning system is shut down, as The time of having a rest in winter, then combined air-conditioning system performs the 4th kind of mode of operation.
Additional aspect and the advantage of the present invention will become obvious in following description part, or pass through the present invention Practice recognize.
Accompanying drawing explanation
Above-mentioned and/or the additional aspect of the present invention and advantage are from combining the accompanying drawings below description to embodiment Will be apparent from easy to understand, wherein:
Fig. 1 is the structural representation of combined air-conditioning system of the present invention；
Fig. 2 is the structural representation of the first mode of operation of combined air-conditioning system shown in Fig. 1；
Fig. 3 is the structural representation of the mode of operation of combined air-conditioning system the second shown in Fig. 1；
Fig. 4 is the structural representation of the third mode of operation of combined air-conditioning system shown in Fig. 1；
Fig. 5 is the structural representation of the 4th kind of mode of operation of combined air-conditioning system shown in Fig. 1.
Wherein, the corresponding relation between the reference in Fig. 1 to Fig. 5 and component names is:
100 room air conditioning systems, 101 room compressors, 1011 air vents, 1012 gas returning ports, 102 4 Logical valve, 103 outdoor heat exchangers, 104 kind of refrigeration cycle valve bodies, 105 indoor heat exchangers, 106 room throttling dresses Put, 200 computer-room air conditioning systems, 201 machine room compressors, 202 first refrigeration valve block, 203 first heat pipe valves Body, 204 fluid reservoirs, 205 second refrigeration valve block, 206 second heat pipe valve bodies, 207 machine room throttling arrangements, 208 pump housings, 209 vaporizers, 210 bypass valves, 211 evaporation tubes, 212 heat valve body, 213 condensers.
Detailed description of the invention
In order to be more clearly understood that the above-mentioned purpose of the present invention, feature and advantage, below in conjunction with the accompanying drawings and The present invention is further described in detail by detailed description of the invention.It should be noted that in the feelings do not conflicted Under condition, the feature in embodiments herein and embodiment can be mutually combined.
Elaborate a lot of detail in the following description so that fully understanding the present invention, but, this Bright can implement to use other to be different from other modes described here, therefore, the protection model of the present invention Enclose and do not limited by following public specific embodiment.
Referring to Fig. 1 to Fig. 5, the most described combined air-conditioning system is described.
As it is shown in figure 1, the combined air-conditioning system that first aspect present invention embodiment provides, for room Carry out temperature regulation with machine room, including: room air conditioning system 100 and be connected with room air conditioning system 100 Computer-room air conditioning system 200.
Wherein, room air conditioning system 100 includes: room compressor 101, cross valve 102, outdoor heat exchange Device 103, kind of refrigeration cycle valve body 104, indoor heat exchanger 105, room throttling arrangement 106 and selection device.
Specifically, room compressor 101 has gas returning port 1012 and air vent 1011；Cross valve 102 has Having D port, E port, S port and C port, D port connects with air vent 1011, S port Connect with gas returning port 1012；Outdoor heat exchanger 103 is disposed in the outdoor, the Single port of outdoor heat exchanger 103 Connect with E port；Kind of refrigeration cycle valve body 104 is disposed in the outdoor between heat exchanger 103 and E port；Room Interior heat exchanger 105 is arranged in room, and the Single port of indoor heat exchanger 105 connects with C port；Room Between the second port of throttling arrangement 106 connect with the another port of indoor heat exchanger 105, room throttling arrangement First port of 106 connects with the another port of outdoor heat exchanger 103；Device is selected to be used for controlling room empty The duty of adjusting system 100；
It addition, computer-room air conditioning system 200 includes: machine room compressor 201, condenser 213, first freeze Valve body the 202, first heat pipe valve body 203, fluid reservoir the 204, second refrigeration valve block the 205, second heat pipe valve body 206, machine room throttling arrangement 207, the pump housing 208, vaporizer 209, bypass valve 210, evaporation tube 211, Heat valve body 212 and attemperating unit.
Specifically, machine room compressor 201 has gas outlet and air inlet；The entrance of condenser 213 with give vent to anger Mouth is connected；The Single port of the first refrigeration valve block 202 connects with air inlet；The one of first heat pipe valve body 203 Port connects with the entrance of condenser 213；The entrance of fluid reservoir 204 and the outlet of condenser 213； The Single port of the second refrigeration valve block 205 connects with the another port of fluid reservoir 204；Second heat pipe valve body 206 Single port connect with the another port of fluid reservoir 204；The entrance of machine room throttling arrangement 207 and the second refrigeration The another port connection of valve body 205；The entrance of the pump housing 208 and the another port of the second heat pipe valve body 206 are even Logical；Vaporizer 209 is arranged in machine room, and the entrance of vaporizer 209 respectively with the outlet of the pump housing 208 and The outlet of machine room throttling arrangement 207, outlet respectively with the another port of the first refrigeration valve block 202 and the The another port connection of one heat pipe valve body 203；The entrance of bypass valve 210 and the outlet of vaporizer 209, Outlet connects with the entrance of fluid reservoir 204；Evaporation tube 211 is arranged in fluid reservoir 204, and evaporation tube The entrance of 211 connects with E port, and outlet connects with the another port of room throttling arrangement 106；Heat valve Body 212 is arranged between evaporation tube 211 and E port；Attemperating unit respectively with the first refrigeration valve block 202, Two refrigeration valve block the 205, first heat pipe valve body the 203, second heat pipe valve bodies 206, bypass valve 210, refrigeration are followed Ring valve body 104, heat valve body 212 and the pump housing 208 connects, the ambient temperature outside sensing chamber and liquid storage The temperature of tank internal heat medium, and according to ambient temperature, the temperature of heat transferring medium and room air conditioning system The state of 100, control first refrigeration valve block the 202, second refrigeration valve block the 205, first heat pipe valve body 203, Second heat pipe valve body 206, bypass valve 210, kind of refrigeration cycle valve body 104, heat valve body 212 and the pump housing 208 Be turned on and off and the output of the described pump housing.
The combined air-conditioning system that first aspect present invention embodiment provides, attemperating unit is according to outdoor environment The state of temperature, the temperature of heat transferring medium and room air conditioning system 100 by control the first refrigeration valve block 202, Second refrigeration valve block the 205, first heat pipe valve body the 203, second heat pipe valve body 206, bypass valve 210, refrigeration Circulation valve body 104, heat valve body 212 and the pump housing 208 be turned on and off change heat transferring medium at air-conditioning Circulation path in system, and then make computer-room air conditioning system 200 can reclaim fully, utilize room air conditioner Low-temperature receiver in the cold discharged in system 100 work process and outdoor environment, thus meeting air conditioner in machine room system On the premise of the cold output of system 200 adapts with thermic load, reduce computer-room air conditioning system 200 because producing The power that cold is consumed, and then achieve the energy-saving and emission-reduction of product.
Specifically when outdoor environment temperature is far above temperature in machine room, and room air conditioning system 100 is in refrigeration (such as summer) in the case of state, as in figure 2 it is shown, combined air-conditioning system performs the first mode of operation: First refrigeration valve block 202 is opened, the second refrigeration valve block 205 is opened, the first heat pipe valve body 203 is closed, Two heat pipe valve bodies 206 are closed, bypass valve 210 cuts out, kind of refrigeration cycle valve body 104 is opened, heated valve body 212 closedowns, the pump housing 208 are closed, and now, room air conditioning system 100 and computer-room air conditioning system 200 are all located In the mode of operation of refrigerating state, and both work process are relatively independent, wherein, and the D of cross valve 102 Port connects with E port, C port connects with S port；Heat transferring medium is in room air conditioning system 100 Circulation path is: room compressor 101-cross valve 102-kind of refrigeration cycle valve body 104-outdoor heat exchanger 103- Throttling arrangement 106-indoor heat exchanger 105-cross valve 102-room, room compressor 101；Heat transferring medium is at machine Circulation path in room air conditioning system 200 is: machine room compressor 201-condenser 213-fluid reservoir 204- Two refrigeration valve block 205-machine room throttling arrangement 207-vaporizer 209-the first refrigeration valve block 202-machine room compressors 201；Owing to outdoor environment temperature is far above indoor temperature so that room air conditioning system 100 and air conditioner in machine room The thermic load of system 200 is relatively big, therefore attemperating unit room air conditioning system 100 and air conditioner in machine room system in this programme Work independently from each other between system 200 to provide enough colds to room and machine room respectively, thus ensure product Refrigeration.
Temperature in outdoor environment temperature is slightly below machine room, and room air conditioning system 100 is in the state of heating In the case of (such as autumn, spring), as it is shown on figure 3, combined air-conditioning system performs the second mode of operation: Attemperating unit controls that the first refrigeration valve block 202 is closed, the second refrigeration valve block 205 is closed, the first heat pipe valve body 203 open, the second heat pipe valve body 206 is opened, bypass valve 210 cuts out, kind of refrigeration cycle valve body 104 is closed, Heating that valve body 212 is opened, the pump housing 208 is opened, now, room air conditioning system 100 is in the state of heating, Computer-room air conditioning system 200 is in refrigerating state, but both work process are associated, wherein, and cross valve The D port of 102 connects with C port, E port connects with S port；Heat transferring medium in room air conditioner system Circulation path in system 100 is: compressor 101-cross valve 102-indoor heat exchanger 105-room, room saves Stream device 106-evaporation tube 211-heats valve body 212-cross valve 102-room compressor 101, and heat transferring medium exists Circulation path in computer-room air conditioning system 200 is: vaporizer 209-the first heat pipe valve body 203-condenser 213- Fluid reservoir 204-the second heat pipe valve body 206-pump-vaporizer 209, wherein, the heat exchange in evaporation tube 211 is situated between Matter carries out heat exchange with the heat transferring medium in fluid reservoir 204；The heat transferring medium temperature after heat exchange is carried out with machine room Degree raises, and high temperature heat transferring medium is first lowered the temperature to carry out first time with external environment heat exchange at condenser 213, with In rear entrance fluid reservoir 204, and the heat transferring medium heat exchange in fluid reservoir 204 and in evaporation tube 211, To carry out lowering the temperature for the second time, thus the heat transferring medium becoming low temperature is interior to machine room to be again introduced into vaporizer 209 Cooling, should during, in computer-room air conditioning system 200 heat transferring medium of circulation make full use of in environment low-temperature receiver and Self is lowered the temperature by the heat transferring medium in room air conditioning system 100, and i.e. computer-room air conditioning system 200 is obstructed Achieve the purpose of the cooling to machine room in the case of crossing machine room compressor 201 acting, thus improve combination The capacity usage ratio of formula air conditioning system, and then reduce the energy consumption of product.
When outdoor environment temperature is far below temperature in machine room, and room air conditioning system 100 is in the state of heating In the case of (such as winter), as shown in Figure 4, combined air-conditioning system performs the third mode of operation: temperature control Device controls that the first refrigeration valve block 202 is closed, the second refrigeration valve block 205 is closed, the first heat pipe valve body 203 Close, the second heat pipe valve body 206 is opened, bypass valve 210 is opened, kind of refrigeration cycle valve body 104 is closed, made Thermal valve body 212 is opened, the pump housing 208 is opened, the circulation flow path in room air conditioning system 100 of heat transferring medium Footpath is: compressor 101-cross valve 102-indoor heat exchanger 105-room, room throttling arrangement 106-evaporation tube 211-heats valve body 212-cross valve 102-room compressor 101, and heat transferring medium is at computer-room air conditioning system 200 Interior circulation path is: vaporizer 209-bypass valve 210 bodies-fluid reservoir 204-the second heat pipe valve body 206-pump- Vaporizer 209, wherein, the heat transferring medium in evaporation tube 211 is carried out with the heat transferring medium in fluid reservoir 204 Heat exchange；During Gai, owing to outdoor temperature be far below temperature, then room air conditioning system 100 in machine room Thermic load relatively large, the most now flow velocity of the heat transferring medium in room air conditioning system 100 and flow also phase To relatively big, so that heat between the heat transferring medium in evaporation tube 211 and the heat transferring medium in fluid reservoir 204 Exchange efficiency improves, then in this programme, merely with heat transferring medium in room air conditioning system 100 to vaporizer The high temperature heat transferring medium flowed out in 209, through once lowering the temperature, can meet computer-room air conditioning system 200 thermic load The cooling requirement of corresponding heat transferring medium so that computer-room air conditioning system 200 is not by machine room compressor Achieve the purpose of the cooling to machine room in the case of 201 actings, thus improve combined air-conditioning system Capacity usage ratio, and then reduce the energy consumption of product.
In the case of outdoor environment temperature is far below temperature in machine room, and room air conditioning system 100 is shut down (such as winter), as it is shown in figure 5, combined air-conditioning system performs the 4th kind of mode of operation: attemperating unit control Make the first refrigeration valve block 202 is closed, the second refrigeration valve block 205 is closed, the first heat pipe valve body 203 is opened, Second heat pipe valve body 206 is opened, bypass valve 210 cuts out, kind of refrigeration cycle valve body 104 is closed, heated valve body 212 closedowns, the pump housing 208 are opened and control the output of the described pump housing according to the temperature of heat transferring medium, Then heat transferring medium circulation path in computer-room air conditioning system 200 is: vaporizer 209-the first heat pipe valve body 203-condenser 213-fluid reservoir 204-the second heat pipe valve body 206-pump housing 208-vaporizer 209；During Gai, Heat in machine room is after vaporizer 209 is delivered to heat transferring medium, and high temperature heat transferring medium is through condenser 213 Heat exchange is carried out, to reduce the temperature of heat transferring medium, due to outdoor ring with the natural cooling source in outdoor environment Border temperature is far below temperature in machine room, therefore utilizes cold source cool-down in outdoor environment can meet machine room in this programme The cooling requirement of the heat transferring medium corresponding to air conditioning system 200 thermic load, i.e. this programme are without again by consuming Energy production raw food amount is freezed, thus largely avoid computer-room air conditioning system 200 by machine room compressor 201 merits are freezed and are caused energy-output ratio to rise, and are i.e. meeting heat exchange amount and the heat of computer-room air conditioning system 200 On the premise of load adapts, it is achieved that the energy-saving and emission-reduction of computer-room air conditioning system 200；Meanwhile, fluid reservoir The high temperature heat transferring medium in 204 heat transferring medium in evaporation tube 211 provides heat, thus is effectively prevented from Outdoor heat exchanger 103 and extraneous heat exchange in existing air conditioning system and the situation of upper frosting occurs, and then effectively Avoid room air conditioning system 100 handoff procedure cause between heating mode and defrosting mode room The situation of air conditioning system 100 damage occurs, so, the setting of this structure further increases the use of product Reliability；It addition, along with the temperature in machine room is uninterrupted, attemperating unit can be according to the temperature control of heat transferring medium Make the output of the described pump housing, it is to avoid the variations in temperature in machine room is too fast, the machine situation of causing damage is sent out Send, thus improve the quality of product, and then add the competitiveness of product in market.
In one embodiment of the invention, attemperating unit includes: temperature sensor (not shown) and Temperature controller (not shown).
Specifically, the ambient temperature outside temperature sensor is used for sensing chamber and the temperature of fluid reservoir internal heat medium Degree, and send temperature signal；Temperature controller is made with temperature sensor, the first refrigeration valve block 202, second respectively Low temperature valve body the 205, first heat pipe valve body the 203, second heat pipe valve body 206, bypass valve 210, kind of refrigeration cycle valve Body 104, heating valve body 212 and the pump housing 208 connects, temperature controller receives temperature signal, and believes according to temperature Number, the temperature of heat transferring medium and the state of room air conditioning system 100, control the first refrigeration valve block 202, Two refrigeration valve block the 205, first heat pipe valve body the 203, second heat pipe valve bodies 206, bypass valve 210, refrigeration are followed Ring valve body 104, heat being turned on and off and the output work of the described pump housing of valve body 212 and the pump housing 208 Rate.
In this embodiment, temperature controller transmits according to temperature sensor temperature signal and room air conditioning system The duty of 100, automatically controls machine room air conditioning system 200 and works under corresponding mode of operation, thus Improve the intelligent of product, and then improve the comfort of product.
In one embodiment of the invention, temperature controller includes: processing module and computing module.
Specifically, processing module receives temperature signal, and temperature signal is converted into temperature value；Computing module Respectively with processing module, first refrigeration valve block the 202, second refrigeration valve block the 205, first heat pipe valve body 203, Second heat pipe valve body 206, bypass valve 210, kind of refrigeration cycle valve body 104, heat valve body 212 and the pump housing 208 Connecting, temperature controller receives temperature value, temperature value and the first preset value, the second preset value comparison is contrasted As a result, and according to comparing result and the state of room air conditioning system 100, control the first refrigeration valve block 202, Second refrigeration valve block the 205, first heat pipe valve body the 203, second heat pipe valve body 206, bypass valve 210, refrigeration Circulation valve body 104, heat being turned on and off and the output of the described pump housing of valve body 212 and the pump housing 208 Power.
In this embodiment, by setting the first preset value and the second preset value, and the first preset value is higher than the Two preset values, and need in machine room is set the operating temperature maintained less than the first preset value, can first preset Value and the second preset value are reference, according to outdoor ambient temperature and the duty of room air conditioning system 100 Control computer-room air conditioning system 200 to work under corresponding mode of operation.
Specifically, as in figure 2 it is shown, when outdoor ambient temperature is higher than the first preset value, then combination type is empty Adjusting system performs the first mode of operation: attemperating unit control the first refrigeration valve block 202 open, the second refrigeration Valve body 205 is opened, the first heat pipe valve body 203 is closed, the second heat pipe valve body 206 is closed, bypass valve 210 Close, kind of refrigeration cycle valve body 104 is opened, heat that valve body 212 is closed, the pump housing 208 cuts out, now, and room Between air conditioning system 100 and computer-room air conditioning system 200 be in the mode of operation of refrigerating state, and both works Making process relatively independent, wherein, the D port of cross valve 102 connects with E port, C port and S end Mouth connection；Heat transferring medium circulation path in room air conditioning system 100 is: room compressor 101-four-way Valve 102-kind of refrigeration cycle valve body 104-outdoor heat exchanger 103-room throttling arrangement 106-indoor heat exchanger 105- Cross valve 102-room compressor 101；Heat transferring medium circulation path in computer-room air conditioning system 200 is: Machine room compressor 201-condenser 213-fluid reservoir 204-the second refrigeration valve block 205-machine room throttling arrangement 207- Vaporizer 209-the first refrigeration valve block 202-machine room compressor 201；Owing to outdoor environment temperature is far above indoor Temperature so that room air conditioning system 100 is relatively big with the thermic load of computer-room air conditioning system 200, therefore in this programme Work independently from each other between attemperating unit room air conditioning system 100 and computer-room air conditioning system 200 with respectively to room Between and machine room enough cold is provided, thus ensure the refrigeration of product.
As it is shown on figure 3, when outdoor ambient temperature is between the first preset value and the second preset value, as Spring, autumn, then combined air-conditioning system performs the second mode of operation: attemperating unit controls the first refrigeration Valve body 202 is closed, the second refrigeration valve block 205 is closed, the first heat pipe valve body 203 is opened, the second heat pipe valve Body 206 is opened, bypass valve 210 cuts out, kind of refrigeration cycle valve body 104 is closed, heat valve body 212 opens, The pump housing 208 is opened, and now, room air conditioning system 100 is in the state of heating, computer-room air conditioning system 200 It is in refrigerating state, but both work process are associated, wherein, the D port of cross valve 102 and C Port connection, E port connect with S port；The circulation flow path in room air conditioning system 100 of heat transferring medium Footpath is: compressor 101-cross valve 102-indoor heat exchanger 105-room, room throttling arrangement 106-evaporation tube 211-heats valve body 212-cross valve 102-room compressor 101, and heat transferring medium is at computer-room air conditioning system 200 Interior circulation path is: vaporizer 209-the first heat pipe valve body 203-condenser 213-fluid reservoir 204-second Heat pipe valve body 206-pump-vaporizer 209, wherein, the heat transferring medium in evaporation tube 211 and fluid reservoir 204 Interior heat transferring medium carries out heat exchange；Carrying out the heat exchange medium temperature after heat exchange with machine room to raise, high temperature changes Thermal medium is first lowered the temperature to carry out first time with external environment heat exchange at condenser 213, subsequently enters fluid reservoir In 204, and the heat transferring medium heat exchange in fluid reservoir 204 and in evaporation tube 211, to carry out second time Cooling, thus the heat transferring medium becoming low temperature is interior to machine room cooling, this process to be again introduced into vaporizer 209 In, in computer-room air conditioning system 200, the heat transferring medium of circulation makes full use of low-temperature receiver and room air conditioning system in environment Self is lowered the temperature by the heat transferring medium in 100, and i.e. computer-room air conditioning system 200 is not by machine room compressor Achieve the purpose of the cooling to machine room in the case of 201 actings, thus improve combined air-conditioning system Capacity usage ratio, and then reduce the energy consumption of product.
As shown in Figure 4, when outdoor ambient temperature is less than the second preset value, and room air conditioning system 100 Being in when heating state, such as the work hours in winter, then combined air-conditioning system performs the third mode of operation: Attemperating unit controls that the first refrigeration valve block 202 is closed, the second refrigeration valve block 205 is closed, the first heat pipe valve body 203 close, the second heat pipe valve body 206 is opened, bypass valve 210 is opened, kind of refrigeration cycle valve body 104 is closed, Heat that valve body 212 is opened, the pump housing 208 is opened, the circulation in room air conditioning system 100 of heat transferring medium Path is: room compressor 101-cross valve 102-indoor heat exchanger 105-room throttling arrangement 106-evaporates Pipe 211-heats valve body 212-cross valve 102-room compressor 101, and heat transferring medium is at computer-room air conditioning system Circulation path in 200 is: vaporizer 209-bypass valve 210 bodies-fluid reservoir 204-the second heat pipe valve body 206- Pump-vaporizer 209, wherein, the heat transferring medium in evaporation tube 211 enters with the heat transferring medium in fluid reservoir 204 Row heat exchange；During Gai, owing to outdoor temperature be far below temperature, then room air conditioning system 100 in machine room Thermic load relatively large, the most now flow velocity of the heat transferring medium in room air conditioning system 100 and flow also phase To relatively big, so that heat between the heat transferring medium in evaporation tube 211 and the heat transferring medium in fluid reservoir 204 Exchange efficiency improves, then in this programme, merely with heat transferring medium in room air conditioning system 100 to vaporizer The high temperature heat transferring medium flowed out in 209, through once lowering the temperature, can meet computer-room air conditioning system 200 thermic load The cooling requirement of corresponding heat transferring medium so that computer-room air conditioning system 200 is not by machine room compressor Achieve the purpose of the cooling to machine room in the case of 201 actings, thus improve combined air-conditioning system Capacity usage ratio, and then reduce the energy consumption of product.
As it is shown in figure 5, when outdoor ambient temperature is less than the second preset value, and room air conditioning system 100 During shutdown, such as the time of having a rest in winter, then combined air-conditioning system performs the 4th kind of mode of operation: temperature control fills The first refrigeration valve block 202 is closed, the second refrigeration valve block 205 is closed, the first heat pipe valve body 203 to put control Open, the second heat pipe valve body 206 is opened, bypass valve 210 cuts out, kind of refrigeration cycle valve body 104 is closed, made Thermal valve body 212 is closed, the pump housing 208 is opened, then heat transferring medium circulation flow path in computer-room air conditioning system 200 Footpath is: vaporizer 209-the first heat pipe valve body 203-condenser 213-fluid reservoir 204-the second heat pipe valve body 206- Pump housing 208-vaporizer 209；During Gai, the heat in machine room be delivered to heat transferring medium through vaporizer 209 After, high temperature heat transferring medium natural cooling source in condenser 213 with outdoor environment carries out heat exchange, with fall The temperature of low heat transferring medium, owing to outdoor ambient temperature is far below temperature in machine room, therefore utilizes in this programme In outdoor environment, cold source cool-down can meet the heat transferring medium corresponding to computer-room air conditioning system 200 thermic load Cooling requirement, i.e. this programme are freezed without being produced by the consumption energy again, thus largely avoid machine Room air conditioning system 200 is freezed by machine room compressor 201 merit and is caused energy-output ratio to rise, and is i.e. meeting On the premise of the heat exchange amount of computer-room air conditioning system 200 and thermic load adapt, it is achieved that computer-room air conditioning system The energy-saving and emission-reduction of 200；Meanwhile, the heat exchange in evaporation tube 211 of the high temperature heat transferring medium in fluid reservoir 204 Medium provides heat, thus efficiently avoid outdoor heat exchanger 103 and extraneous heat exchange in existing air conditioning system And the situation of upper frosting occurs, and then efficiently avoid room air conditioning system 100 in heating mode and defrosting The situation causing room air conditioning system 100 to damage between pattern in handoff procedure occurs, so, this structure The dependability further increasing product is set.
In one embodiment of the invention, combined air-conditioning system also includes: gas-liquid separator is (in figure not Illustrate), specifically, the entrance S port connection of gas-liquid separator, outlet connects with gas returning port 1012.
In this embodiment, the setting of gas-liquid separator can enter room pressure to from gas returning port 1012 effectively The fluid of contracting machine 101 carries out gas-liquid separation, thus the liquid being effectively prevented from pipeline enters into room compression In machine 101, cause room compressor 101 that the situation of liquid hammer occurs.
In one embodiment of the invention, combined air-conditioning system also includes: oil eliminator (does not shows in figure Go out), specifically, the entrance air vent 1011 of oil eliminator connects, and outlet connects with D port.
In this embodiment, the stream that the air vent 1011 of room compressor 101 is discharged by oil eliminator is set The oil carried in body carries out recycling, thus avoids compressor and lack oil condition appearance.
In one particular embodiment of the present invention, it is preferable that outdoor heat exchanger 103, indoor heat exchanger 105, Condenser 213 and vaporizer 209 are finned heat exchanger.
In this embodiment, owing to the heat exchange area of finned heat exchanger is big, heat exchange efficiency is high, therefore in heat exchange On the premise of amount is certain, the volume of finned heat exchanger is less relative to for other heat exchange, arranges outdoor heat exchange Device 103, indoor heat exchanger 105, condenser 213 and vaporizer 209 are finned heat exchanger, then phase Reduce the volume of product with answering, reduce the cost of product.
In one embodiment of the invention, it is preferable that first refrigeration valve block the 202, second refrigeration valve block 205, First heat pipe valve body the 203, second heat pipe valve body 206, bypass valve 210, kind of refrigeration cycle valve body 104 and system Thermal valve body 212 is electromagnetic valve.
In this embodiment, the control accuracy of electromagnetic valve is high, and uses motility strong, arranges the first refrigeration valve Body the 202, second refrigeration valve block the 205, first heat pipe valve body the 203, second heat pipe valve body 206, bypass valve 210, kind of refrigeration cycle valve body 104 and heat valve body 212 and be electromagnetic valve, can coordinate assembled air-conditioner system The control circuit of system realizes the break-make of pipeline quickly and accurately, thus the use further ensuring product can By property.
Second aspect present invention embodiment provides a kind of control method, for the sky of any of the above-described embodiment Adjusting system, including:
Detecting step: the ambient temperature outside temperature control sensor sensing chamber, the temperature of fluid reservoir internal heat medium And the temperature of fluid reservoir internal heat medium, and send temperature signal；
Rate-determining steps: temperature controller receives temperature signal, and according to ambient temperature and room air conditioning system 100 State, control first refrigeration valve block the 202, second refrigeration valve block the 205, first heat pipe valve body 203, Two heat pipe valve bodies 206, bypass valve 210, kind of refrigeration cycle valve body 104, heat valve body 212 and the pump housing 208 Be turned on and off and the output of the described pump housing.
In one embodiment of the invention, rate-determining steps specifically includes: process step and calculation step.
Specifically, temperature signal is converted into temperature value by processing module；Computing module receives temperature value, by temperature Angle value obtains comparing result with the first preset value and the second preset value comparison respectively, and according to comparing result and room Between the state of air conditioning system 100, control first refrigeration valve block the 202, second refrigeration valve block the 205, first heat Pipe valve body the 203, second heat pipe valve body 206, bypass valve 210, kind of refrigeration cycle valve body 104, heat valve body 212 and being turned on and off and the output of the described pump housing of the pump housing 208；Wherein, the first preset value More than the second preset value.
In one embodiment of the invention, in calculation step；Room air conditioning system 100 is in refrigeration shape During state, the first refrigeration valve block 202 is opened, the second refrigeration valve block 205 is opened, the first heat pipe valve body 203 Close, the second heat pipe valve body 206 is closed, bypass valve 210 cuts out, kind of refrigeration cycle valve body 104 is opened, made Thermal valve body 212 is closed, the pump housing 208 cuts out；When room air conditioning system 100 is in heating mode, temperature value During more than the second preset value less than the first default value, the first refrigeration valve block 202 is closed, the second refrigeration valve block 205 close, the first heat pipe valve body 203 is opened, the second heat pipe valve body 206 is opened, bypass valve 210 cuts out, Kind of refrigeration cycle valve body 104 closes, heat that valve body 212 is opened, the pump housing 208 is opened；Work as room air conditioning system 100 when being in the state of heating, temperature value less than the second default value, and the first refrigeration valve block 202 closes, the Two refrigeration valve block 205 are closed, the first heat pipe valve body 203 is closed, the second heat pipe valve body 206 is opened, bypassed Valve 210 is opened, kind of refrigeration cycle valve body 104 is closed, heat valve body 212 opens, the pump housing 208 is opened；When Room air conditioning system 100 is shut down, temperature value less than the second default value time, the first refrigeration valve block 202 closes, Second refrigeration valve block 205 is closed, the first heat pipe valve body 203 is opened, the second heat pipe valve body 206 is opened, side Logical valve 210 cuts out, kind of refrigeration cycle valve body 104 is closed, heat valve body 212 closes, the pump housing 208 is opened, And the output of the described pump housing is controlled according to the temperature of heat transferring medium.
The control method that second aspect present invention embodiment provides provides for first aspect present invention embodiment Combined air-conditioning system, by setting first preset value concrete to air conditioning system and the second preset value, specifically Ground, sets the first preset value and is more than the second preset value, and make the first preset value less than temperature in machine room, work as room When outer ambient temperature is higher than the first preset value, then combined air-conditioning system performs the first mode of operation, machine Room air conditioning system 200 works independently from each other between the two with room air conditioning system 100, specifically, is divided into two kinds Situation: 1) outdoor ambient temperature higher than temperature in machine room, such as hot summer, should in the case of, machine Room air conditioning system 200 and room air conditioning system 100 are in refrigerating state, and work independently from each other with respectively Enough colds are provided to room and machine room；2) outdoor ambient temperature temperature and first pre-in machine room If between Zhi, in the case of being somebody's turn to do, computer-room air conditioning system 200 is in refrigerating state, room air conditioning system 100 Shut down or be in refrigerating state；When outdoor ambient temperature is between the first preset value and the second preset value Time, such as spring, autumn, then combined air-conditioning system performs the second mode of operation；When outdoor environment temperature Degree is less than the second preset value, and room air conditioning system 100 is in when heating state, such as the work hours in winter, Then combined air-conditioning system performs the third mode of operation；When outdoor ambient temperature is less than the second preset value, And room air conditioning system 100 is when shutting down, such as the time of having a rest in winter, then combined air-conditioning system performs the 4th Plant mode of operation.
In one particular embodiment of the present invention, in machine room, the required operating temperature maintained is 27 DEG C, the One preset value is 16 DEG C, and the second preset value is 6 DEG C.
Specifically, when outdoor ambient temperature is higher than 16 DEG C, then combined air-conditioning system performs the first Mode of operation, as in figure 2 it is shown, computer-room air conditioning system 200 and room air conditioning system 100 are between the two the most solely Vertical work, specifically, is divided into two kinds of situations: 1) outdoor ambient temperature is higher than 27 DEG C, such as hot In summer, in the case of being somebody's turn to do, computer-room air conditioning system 200 and room air conditioning system 100 are in refrigerating state, and Work independently from each other to provide enough colds to room and machine room respectively；2) outdoor ambient temperature between Between 27 DEG C and 16 DEG C, in the case of being somebody's turn to do, computer-room air conditioning system 200 is in refrigerating state, room air conditioner system System 100 is shut down or is in refrigerating state；When outdoor ambient temperature is between 16 DEG C and 6 DEG C, such as the spring Season, autumn, as it is shown on figure 3, then combined air-conditioning system performs the second mode of operation；When outdoor ring Border temperature is less than 6 DEG C, and room air conditioning system 100 is in when heating state, such as the work hours in winter, As shown in Figure 4, then combined air-conditioning system performs the third mode of operation；When outdoor ambient temperature is less than 6 DEG C, and when room air conditioning system 100 is shut down, such as the time of having a rest in winter, as it is shown in figure 5, then combine Formula air conditioning system performs the 4th kind of mode of operation.
In sum, the combined air-conditioning system that the present invention provides, attemperating unit is according to outdoor ambient temperature With the state of room air conditioning system by control the first refrigeration valve block, the second refrigeration valve block, the first heat pipe valve body, Second heat pipe valve body, bypass valve, kind of refrigeration cycle valve body, heat valve body and the pump housing be turned on and off change Heat transferring medium circulation path within air-conditioning systems, so computer-room air conditioning system can be reclaimed fully, profit With the low-temperature receiver in the cold discharged in room air conditioning system work process and outdoor environment, thus meeting machine room On the premise of the cold output of air conditioning system adapts with thermic load, reduce computer-room air conditioning system cold because producing The power that amount is consumed, and then achieve the energy-saving and emission-reduction of product.
In the present invention, term " first ", " second " are only used for the purpose described, and it is not intended that refer to Show or imply relative importance；Term " multiple " then refers to two or more, unless otherwise clear and definite limit Fixed.Term " is installed ", " being connected ", " connection ", the term such as " fixing " all should be interpreted broadly, such as, " connecting " can be fixing connection, it is also possible to is to removably connect, or is integrally connected；" being connected " can Being to be joined directly together, it is also possible to be indirectly connected to by intermediary.For those of ordinary skill in the art Speech, can understand above-mentioned term concrete meaning in the present invention as the case may be.
In the description of this specification, term " embodiment ", " some embodiments ", " specific embodiment " Deng description means to combine this embodiment or example describes specific features, structure, material or feature be contained in In at least one embodiment of the present invention or example.In this manual, the schematic representation to above-mentioned term It is not necessarily referring to identical embodiment or example.And, the specific features of description, structure, material or spy Point can combine in any one or more embodiments or example in an appropriate manner.
The foregoing is only the preferred embodiments of the present invention, be not limited to the present invention, for ability For the technical staff in territory, the present invention can have various modifications and variations.All in the spirit and principles in the present invention Within, any modification, equivalent substitution and improvement etc. made, should be included in protection scope of the present invention it In.

Claims (11)

1. a combined air-conditioning system, it is characterised in that including: room air conditioning system and with described room Between air conditioning system connect computer-room air conditioning system；
Wherein, described computer-room air conditioning system includes:
Machine room compressor, described machine room compressor has gas outlet and air inlet；
Condenser, the entrance of described condenser is connected with described gas outlet；
First refrigeration valve block, the Single port of described first refrigeration valve block connects with described air inlet；
First heat pipe valve body, the described Single port of the first heat pipe valve body connects with the entrance of described condenser；
The outlet of fluid reservoir, the entrance of described fluid reservoir and described condenser；
Second refrigeration valve block, the Single port of described second refrigeration valve block and the outlet of described fluid reservoir；
Second heat pipe valve body, the Single port of described second heat pipe valve body and the outlet of described fluid reservoir；
The another port of machine room throttling arrangement, the entrance of described machine room throttling arrangement and described second refrigeration valve block Connection；
The pump housing, the entrance of the described pump housing connects with the another port of described second heat pipe valve body；
Vaporizer, described vaporizer is arranged in machine room, and the entrance of described vaporizer respectively with the described pump housing Outlet and the outlet of described machine room throttling arrangement, outlet respectively with another of described first refrigeration valve block Port connects with the another port of described first heat pipe valve body；
Bypass valve, the entrance of described bypass valve and the outlet of described vaporizer, export and described fluid reservoir Entrance connection；
Evaporation tube, described evaporation tube is arranged in described fluid reservoir, and the entrance of described evaporation tube and described room Between the E port connection of cross valve of air conditioning system, outlet and the room of described room air conditioning system throttling dress The the first port connection put；
Heat valve body, described in heat valve body and be arranged between described evaporation tube and described E port；With
Attemperating unit, described attemperating unit respectively with described first refrigeration valve block, described second refrigeration valve block, Described first heat pipe valve body, described second heat pipe valve body, described bypass valve, described kind of refrigeration cycle valve body, institute State and heat valve body and the connection of the described pump housing, the ambient temperature outside sensing chamber and fluid reservoir internal heat medium Temperature, and according to ambient temperature, the temperature of heat transferring medium and the state of described room air conditioning system, control Described first refrigeration valve block, described second refrigeration valve block, described first heat pipe valve body, described second heat pipe valve Body, described bypass valve, described kind of refrigeration cycle valve body, described in heat being turned on and off of valve body and the described pump housing, And the output of the described pump housing；
Described room air conditioning system includes:
Kind of refrigeration cycle valve body, described kind of refrigeration cycle valve body is arranged on described outdoor heat exchanger and described cross valve E Between port；
Selecting device, described selection device is for controlling the duty of described room air conditioning system.
Combined air-conditioning system the most according to claim 1, it is characterised in that described room air conditioner System includes:
Room compressor, described room compressor has gas returning port and air vent；
Described cross valve, described cross valve has D port, described E port, S port and C port, Described D port connects with described air vent, and described S port connects with described gas returning port；
Outdoor heat exchanger, described outdoor heat exchanger is disposed in the outdoor, the Single port of described outdoor heat exchanger and institute State the connection of E port；
Indoor heat exchanger, described indoor heat exchanger is arranged in described room, and the one of described indoor heat exchanger Port connects with described C port；
Described room throttling arrangement, the second port of described room throttling arrangement is another with described indoor heat exchanger Single port connects, described first port of described room throttling arrangement and the another port of described outdoor heat exchanger Connection.
Combined air-conditioning system the most according to claim 2, it is characterised in that
Described attemperating unit includes:
Temperature sensor, described temperature sensor is used for the ambient temperature outside sensing chamber and fluid reservoir internal heat The temperature of medium, and send temperature signal；With
Temperature controller, described temperature controller respectively with described temperature sensor, the first refrigeration valve block, described second system Low temperature valve body, described first heat pipe valve body, described second heat pipe valve body, described bypass valve, described kind of refrigeration cycle Valve body, described in heat valve body and the pump housing and connect, described temperature controller receives described temperature signal, and according to described Temperature signal, the temperature of heat transferring medium and the state of described room air conditioning system, control the first refrigeration valve block, Described second refrigeration valve block, described first heat pipe valve body, described second heat pipe valve body, described bypass valve, institute State kind of refrigeration cycle valve body, described in heat being turned on and off and the described pump housing defeated of valve body and the described pump housing Go out power.
Combined air-conditioning system the most according to claim 3, it is characterised in that described temperature controller bag Include:
Processing module, described processing module receives described temperature signal, and described temperature signal is converted into temperature Angle value；With
Computing module, described computing module respectively with described processing module, described first refrigeration valve block, described Second refrigeration valve block, described first heat pipe valve body, described second heat pipe valve body, described bypass valve, described system SAPMAC method valve body, described in heat valve body and the described pump housing and connect, described temperature controller receives described temperature value, will Described temperature value and the first preset value, the second preset value comparison obtain comparing result, and according to described contrast knot Fruit and the state of described room air conditioning system, control described first refrigeration valve block, described second refrigeration valve block, Described first heat pipe valve body, described second heat pipe valve body, described bypass valve, described kind of refrigeration cycle valve body, institute State and heat being turned on and off and the output of the described pump housing of valve body and the described pump housing.
5. according to the combined air-conditioning system according to any one of claim 2 to 4, it is characterised in that Also include:
Gas-liquid separator, S port connection described in the entrance of described gas-liquid separator, outlet and described gas returning port Connection.
Combined air-conditioning system the most according to claim 5, it is characterised in that also include:
Oil eliminator, air vent connection described in the entrance of described oil eliminator, outlet is with described D port even Logical.
Combined air-conditioning system the most according to claim 5, it is characterised in that
Described outdoor heat exchanger, described indoor heat exchanger, described condenser and described vaporizer are finned Heat exchanger.
Combined air-conditioning system the most according to claim 5, it is characterised in that
Described first refrigeration valve block, described second refrigeration valve block, described first heat pipe valve body, described second heat Pipe valve body, described bypass valve, described kind of refrigeration cycle valve body and the described valve body that heats are electromagnetic valve.
9. a control method, for the assembled air-conditioner system as according to any one of claim 1 to 8 System, it is characterised in that including:
Detecting step, the ambient temperature outside temperature control sensor sensing chamber and the temperature of fluid reservoir internal heat medium Degree, and send temperature signal；With
Rate-determining steps, temperature controller receives temperature signal, and according to ambient temperature and the state of room air conditioning system, Control the first refrigeration valve block, the second refrigeration valve block, the first heat pipe valve body, the second heat pipe valve body, bypass valve, Kind of refrigeration cycle valve body, heat being turned on and off and the output of the described pump housing of valve body and the pump housing.
Control method the most according to claim 9, it is characterised in that rate-determining steps specifically includes:
Processing step, temperature signal is converted into temperature value by processing module；With
Calculation step, computing module receive described temperature value, by described temperature value respectively with the first preset value and Second preset value comparison obtains comparing result, and according to described comparing result and the shape of described room air conditioning system State, control described first refrigeration valve block, described second refrigeration valve block, described first heat pipe valve body, described Two heat pipe valve bodies, described bypass valve, described kind of refrigeration cycle valve body, described in heat opening of valve body and the described pump housing Open or close and the output of the described pump housing；
Wherein, the first preset value is more than the second preset value.
11. control methods according to claim 10, it is characterised in that in calculation step；
When described room air conditioning system is in refrigerating state, described first refrigeration valve block is opened, described second system Low temperature valve body is opened, described first heat pipe valve body is closed, described second heat pipe valve body is closed, described bypass valve closes Close, described kind of refrigeration cycle valve body is opened, described in heat valve body close, the described pump housing close；
When described room air conditioning system is in heating mode, temperature value more than the second preset value less than described first During default value, described first refrigeration valve block is closed, described second refrigeration valve block is closed, described first heat pipe Valve body is opened, described second heat pipe valve body is opened, described bypass valve cuts out, described kind of refrigeration cycle valve body is closed, Described heat that valve body is opened, the described pump housing is opened；
When described room air conditioning system is in the state of heating, temperature value less than described second default value, institute State first refrigeration valve block close, described second refrigeration valve block close, described first heat pipe valve body close, described Second heat pipe valve body is opened, described bypass valve is opened, described kind of refrigeration cycle valve body close, described in heat valve body Open, the described pump housing is opened；
When the shutdown of described room air conditioning system, temperature value are less than described second default value, described first system Low temperature valve body is closed, described second refrigeration valve block is closed, described first heat pipe valve body is opened, described second heat pipe Valve body is opened, described bypass valve close, described kind of refrigeration cycle valve body close, described in heat valve body close, institute State the output that the pump housing is opened and controlled the described pump housing according to the temperature of heat transferring medium.
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CN109340960B (en) * 2018-09-27 2020-11-03 克莱门特捷联制冷设备(上海)有限公司 Combined air conditioning system of machine room and control method thereof
CN109357427B (en) * 2018-09-27 2020-11-03 克莱门特捷联制冷设备(上海)有限公司 Combined air conditioning system for machine room and hot water system and control method thereof

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