CN104613667A - Combined air-conditioning system as well as control method thereof - Google Patents

Combined air-conditioning system as well as control method thereof Download PDF

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Publication number
CN104613667A
CN104613667A CN201510091892.5A CN201510091892A CN104613667A CN 104613667 A CN104613667 A CN 104613667A CN 201510091892 A CN201510091892 A CN 201510091892A CN 104613667 A CN104613667 A CN 104613667A
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China
Prior art keywords
valve
refrigeration
temperature
air conditioning
heat
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Granted
Application number
CN201510091892.5A
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Chinese (zh)
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CN104613667B (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
Publication of CN104613667A publication Critical patent/CN104613667A/en
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Publication of CN104613667B publication Critical patent/CN104613667B/en
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Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F5/00Air-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
    • F24F5/0007Air-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
    • F24F5/001Compression cycle type
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F11/00Control or safety arrangements
    • F24F11/30Control or safety arrangements for purposes related to the operation of the system, e.g. for safety or monitoring
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F11/00Control or safety arrangements
    • F24F11/70Control systems characterised by their outputs; Constructional details thereof
    • F24F11/80Control systems characterised by their outputs; Constructional details thereof for controlling the temperature of the supplied air
    • F24F11/83Control 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
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F13/00Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
    • F24F13/30Arrangement or mounting of heat-exchangers
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F2110/00Control inputs relating to air properties
    • F24F2110/10Temperature
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F11/00Control or safety arrangements
    • F24F11/70Control systems characterised by their outputs; Constructional details thereof
    • F24F11/80Control systems characterised by their outputs; Constructional details thereof for controlling the temperature of the supplied air
    • F24F11/83Control 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
    • F24F11/84Control 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
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F2110/00Control inputs relating to air properties
    • F24F2110/10Temperature
    • F24F2110/12Temperature of the outside air
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F2140/00Control inputs relating to system states
    • F24F2140/20Heat-exchange fluid temperature

Abstract

The invention provides a combined air-conditioning system as well as a control method thereof for adjusting the temperature of a room and a machine room. The system comprises a room air conditioning system and a machine room air conditioning system which is connected with the room air conditioning system, wherein a heat exchange medium in the room air conditioning system can exchange heat with a heat exchange medium in a liquid storage tank in the machine room air conditioning system, and a temperature control device of the machine room air conditioning system changes a circulating path of the heat exchange medium by controlling the on or off state of a first refrigerating valve body, a second refrigerating valve body, a first heat tube valve body, a second heat tube valve body, a bypass valve, a refrigerating circular valve body, a heating valve body and a pump body according to the outdoor environmental temperature and the state of the room air conditioning system, so that the machine room air conditioning system can fully recover and utilize a cooling quantity discharged by the room air conditioning system and a cold source in the outdoor environment, as a result, the power consumed by generating the cooling quantity of the motor room air conditioning system on the premise of satisfying the condition that the cooling quantity output and the heat load of the machine room air conditioning system are matched is reduced, so as to realize energy conservation and emission reduction of a 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 method thereof.
Background technology
At present, accompanying information industry digital Construction and the intelligentized fast development of household electrical appliances, the quantity of machine room, base station increases sharply, because data center's sensible heat load is large, building enclosure is closed, then the air-conditioning system of machine room, base station needs round-the-clock running throughout the year, the room air conditioning system of relevant staff is then mainly used in winter heating and cooling in summer, and the energy consumption of machine room, base station air conditioner accounts for more than 40% of its total energy consumption according to statistics, specifically, existing machine room, running for the air-conditioning system of dispelling the heat and room air conditioning system in base station is relatively independent, in autumn and winter season, room air conditioning system is mainly in and heats duty, then the off-premises station of room air conditioning system mainly outwardly carries cold, and existing machine room, air-conditioning system for dispelling the heat in base station cannot utilize low-temperature receiver in this part cold and outdoor environment for lowering the temperature in machine room, it reduce the utilization rate of product to the energy, simultaneously, too increase machine room, air-conditioning system for dispelling the heat in base station produces the burden of cold, thus relatively improve machine room, the energy consumption of air-conditioning system for dispelling the heat in base station, and then reduce the marketing dynamics of product, and for air-conditioning system, also there is cold-starting, lubrication, the dependability problems such as energy adjustment, be unfavorable for the market competition of product.
Summary of the invention
In order to solve the problems of the technologies described above one of at least, one object of the present invention is to provide the combined air-conditioning system that a kind of energy utilization rate is high, Energy in use is low.
Another object of the present invention is to provide a kind of control method for combinations thereof formula air-conditioning system.
In view of this, first aspect present invention embodiment provides a kind of combined air-conditioning system, for carrying out temperature adjustment to room and machine room, comprising: room air conditioning system and the computer-room air conditioning system be connected with described room air conditioning system, wherein, described computer-room air conditioning system comprises: machine room compressor, and 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 is communicated with described air inlet, first heat pipe valve body, the Single port of described first heat pipe valve body is communicated with the entrance of described condenser, fluid reservoir, the entrance of described fluid reservoir and the outlet of 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 described Single port of the second heat pipe valve body and the outlet of described fluid reservoir, machine room throttling arrangement, the entrance of described machine room throttling arrangement is communicated with the another port of described second refrigeration valve block, the pump housing, the entrance of the described pump housing is communicated with the another port of described second heat pipe valve body, evaporimeter, described evaporimeter is arranged in machine room, and the entrance of described evaporimeter respectively with the outlet of the described pump housing and the outlet of described machine room throttling arrangement, outlet be communicated with the another port of described first heat pipe valve body with the another port of described first refrigeration valve block respectively, by-passing valve, the entrance of described by-passing valve and the outlet of described evaporimeter, outlet is communicated with the entrance of described fluid reservoir, evaporation tube, described evaporation tube is arranged in described fluid reservoir, and the entrance of described evaporation tube is communicated with the E port of the cross valve of described room air conditioning system, and outlet is communicated with the first port of the room throttling arrangement of described room air conditioning system, heat valve body, described in heat valve body and be arranged between described evaporation tube and described E port, and 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 by-passing valve, described kind of refrigeration cycle valve body, the described valve body that heats is connected with the described pump housing, for the temperature of the environment temperature outside sensing chamber and fluid reservoir internal heat medium, and environmentally 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 by-passing valve, described kind of refrigeration cycle valve body, described unlatching or the closedown heating valve body and the described pump housing, and the power output of the described pump housing.
The combined air-conditioning system that first aspect present invention embodiment provides, attemperating unit is according to the environment temperature of outdoor, the temperature of heat transferring medium and the state of room air conditioning system are by control first refrigeration valve block, second refrigeration valve block, first heat pipe valve body, second heat pipe valve body, by-passing valve, kind of refrigeration cycle valve body, the unlatching or the closedown that heat valve body and the pump housing change heat transferring medium circulation path within air-conditioning systems, and then computer-room air conditioning system can be reclaimed fully, utilize the low-temperature receiver in the cold and outdoor environment of discharging in the room air conditioning system course of work, thus under the cold meeting computer-room air conditioning system exports the prerequisite adapted with thermic load, reduce the power that computer-room air conditioning system consumes because producing cold, and then achieve the energy-saving and emission-reduction of product.
According to one embodiment of present invention, described room air conditioning system comprises: room compressor, and described room compressor has gas returning port and exhaust outlet; Described cross valve, described cross valve has D port, described E port, S port and C port, and described D port is communicated with described exhaust outlet, and described S port is communicated with described gas returning port; Outdoor heat exchanger, described outdoor heat exchanger is disposed in the outdoor, and the Single port of described outdoor heat exchanger is communicated with described E port; Kind of refrigeration cycle valve body, described kind of refrigeration cycle valve body is arranged between described outdoor heat exchanger and described cross valve E port; Indoor heat exchanger, described indoor heat exchanger is arranged in described room, and the Single port of described indoor heat exchanger is communicated with described C port; Described room throttling arrangement, the second port of described room throttling arrangement is communicated with the another port of described indoor heat exchanger, and described first port of described room throttling arrangement is communicated with the another port of described outdoor heat exchanger; And selecting arrangement, described selecting arrangement is 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 air conditioning system is when being in refrigerating state (as summer), combined air-conditioning system performs the first mode of operation: the first refrigeration valve block is opened, second refrigeration valve block is opened, first heat pipe valve body is closed, second heat pipe valve body is closed, by-passing valve cuts out, kind of refrigeration cycle valve body is opened, heat valve body to close, the pump housing cuts out, now, room air conditioning system and computer-room air conditioning system are all in the mode of operation of refrigerating state, and both courses of work are relatively independent, wherein, the D port of cross valve is communicated with E port, C port is communicated with S port, the circulation path of heat transferring medium 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, the circulation path of heat transferring medium in computer-room air conditioning system is: machine room compressor-condenser-fluid reservoir the-the second refrigeration valve block-machine room throttling arrangement-evaporimeter the-the first refrigeration valve block-machine room compressor, because outdoor environment temperature is far above indoor temperature, make the thermic load of room air conditioning system and computer-room air conditioning system larger, therefore in this programme between attemperating unit room air conditioning system and computer-room air conditioning system separate work to provide enough colds respectively to room and machine room, thus ensure the refrigeration of product.
When outdoor environment temperature is a little less than temperature in machine room, and room air conditioning system is in when heating state (as autumn, spring), combined air-conditioning system performs the second mode of operation: attemperating unit controls the first refrigeration valve block and closes, second refrigeration valve block is closed, first heat pipe valve body is opened, second heat pipe valve body is opened, by-passing valve cuts out, kind of refrigeration cycle valve body is closed, heat valve body to open, the pump housing is opened, now, room air conditioning system is in the state of heating, computer-room air conditioning system is in refrigerating state, but both courses of work are associated, wherein, the D port of cross valve is communicated with C port, E port is communicated with S port, the circulation path in room air conditioning system of heat transferring medium is: room compressor-cross valve-indoor heat exchanger-room throttling arrangement-evaporation tube-heat valve body-cross valve-room compressor, the circulation path of heat transferring medium in computer-room air conditioning system is: evaporimeter-the first heat pipe valve body-condenser-fluid reservoir-the second heat pipe valve body-pump-evaporimeter, wherein, the heat transferring medium in evaporation tube and the heat transferring medium in fluid reservoir carry out heat exchange, carry out the heat exchange medium temperature after heat exchange with machine room to raise, high temperature heat transferring medium is first lowered the temperature to carry out first time at condenser and external environment heat exchange, enter subsequently in fluid reservoir, and in fluid reservoir with the heat transferring medium heat exchange in evaporation tube, to carry out second time cooling, thus the heat transferring medium becoming low temperature is lowered the temperature to machine room again to enter in evaporimeter, in this process, the heat transferring medium that the heat transferring medium of circulation makes full use of in environment in low-temperature receiver and room air conditioning system in computer-room air conditioning system is lowered the temperature to self, namely computer-room air conditioning system is not when by achieving the object of the cooling to machine room when machine room compressor work, 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 when heating state (as winter), combined air-conditioning system performs the third mode of operation: attemperating unit controls the first refrigeration valve block and closes, second refrigeration valve block is closed, first heat pipe valve body is closed, second heat pipe valve body is opened, by-passing valve is opened, kind of refrigeration cycle valve body is closed, heat valve body to open, the pump housing is opened, the circulation path in room air conditioning system of heat transferring medium is: room compressor-cross valve-indoor heat exchanger-room throttling arrangement-evaporation tube-heat valve body-cross valve-room compressor, the circulation path of heat transferring medium in computer-room air conditioning system is: evaporimeter-by-pass valve body-fluid reservoir-the second heat pipe valve body-pump-evaporimeter, wherein, heat transferring medium in evaporation tube and the heat transferring medium in fluid reservoir carry out heat exchange, in this process, because outdoor temperature is far below temperature in machine room, then the thermic load of room air conditioning system is relatively large, flow velocity and the flow of the heat transferring medium then now in room air conditioning system are also relatively large, thus heat exchanger effectiveness between the heat transferring medium in evaporation tube and the heat transferring medium in fluid reservoir is improved, then in this programme, only to utilize in room air conditioning system heat transferring medium to the high temperature heat transferring medium flowed out in evaporimeter through once lowering the temperature, the cooling requirement of the heat transferring medium corresponding to computer-room air conditioning system thermic load can be met, make computer-room air conditioning system when not by achieving the object of the cooling to machine room when machine room compressor work, 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 when room air conditioning system shutdown (as winter), combined air-conditioning system performs the 4th kind of mode of operation: attemperating unit controls the first refrigeration valve block and closes, second refrigeration valve block is closed, first heat pipe valve body is opened, second heat pipe valve body is opened, by-passing valve cuts out, kind of refrigeration cycle valve body is closed, heat valve body to close, the pump housing is opened, and the power output of the described pump housing is controlled according to the temperature of heat transferring medium, then the circulation path of heat transferring medium in computer-room air conditioning system is: evaporimeter-the first heat pipe valve body-condenser-fluid reservoir-the second heat pipe valve body-pump housing-evaporimeter, in this process, heat in machine room is delivered to after heat transferring medium through evaporimeter, the natural cooling source of high temperature heat transferring medium in condenser and outdoor environment carries out heat exchange, to reduce the temperature of heat transferring medium, because the environment temperature of outdoor is far below temperature in machine room, therefore in this programme, utilize cold source cool-down in outdoor environment can meet the cooling requirement of the heat transferring medium corresponding to computer-room air conditioning system thermic load, namely this programme is without the need to freezing by consuming energy production raw food amount again, thus largely avoid computer-room air conditioning system and freezed by machine room compressor work and cause energy-output ratio to rise, namely under the prerequisite adapted in the heat exchange amount and thermic load that meet computer-room air conditioning system, achieve the energy-saving and emission-reduction of computer-room air conditioning system, simultaneously, high temperature heat transferring medium in fluid reservoir provides heat to the heat transferring medium in evaporation tube, thus efficiently avoid outdoor heat exchanger and extraneous heat exchange and occur the situation of frosting, and then efficiently avoid room air conditioning system causes room air conditioning system to damage between heating mode and defrosting mode situation in handoff procedure and occur, so the setting of this structure further increases the dependability of product, in addition, along with the temperature in machine room is uninterrupted, attemperating unit can control the power output of the described pump housing according to the temperature of heat transferring medium, avoid the variations in temperature in machine room too fast, the machine situation that causes damage is sent, thus improves the quality of product, and then add the competitiveness of product in market.
In addition, the combined air-conditioning system in above-described embodiment provided by the invention can also have following additional technical feature:
According to one embodiment of present invention, described attemperating unit comprises: temperature sensor, and described temperature sensor is used for the temperature of environment temperature outside sensing chamber and fluid reservoir internal heat medium, and sends temperature signal, and temperature controller, described temperature controller respectively with described temperature sensor, first refrigeration valve block, described second refrigeration valve block, described first heat pipe valve body, described second heat pipe valve body, described by-passing valve, described kind of refrigeration cycle valve body, the described valve body that heats is connected with the pump housing, 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 by-passing valve, described kind of refrigeration cycle valve body, described unlatching or the closedown heating valve body and the described pump housing, and the power output of the described pump housing.
According to one embodiment of present invention, described temperature controller comprises: processing module, and described processing module receives described temperature signal, and described temperature signal is converted into temperature value, and 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 by-passing valve, described kind of refrigeration cycle valve body, the described valve body that heats is connected 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 comparison result, and according to the state of described comparing result and 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 by-passing valve, described kind of refrigeration cycle valve body, described unlatching or the closedown heating valve body and the described pump housing, and the power output of the described pump housing.
According to one embodiment of present invention, described combined air-conditioning system also comprises: gas-liquid separator, and S port described in the entrance of described gas-liquid separator is communicated with, and outlet is communicated with described gas returning port.
According to one embodiment of present invention, described combined air-conditioning system also comprises: oil eliminator, and exhaust outlet described in the entrance of described oil eliminator is communicated with, and outlet is communicated with described D port.
According to a specific embodiment of the present invention, described outdoor heat exchanger, described indoor heat exchanger, described condenser and described evaporimeter 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 by-passing valve, described kind of refrigeration cycle valve body and the described valve body that heats are magnetic valve.
Second aspect present invention embodiment provides a kind of control method, for the combined air-conditioning system described in above-mentioned any one embodiment, comprise: detecting step, the temperature of the environment temperature outside temperature control sensor sensing chamber and fluid reservoir internal heat medium, and send temperature signal; And rate-determining steps, temperature controller receives temperature signal, and environmentally temperature, the temperature of fluid reservoir internal heat medium and the state of room air conditioning system, control the power output of the first refrigeration valve block, the second refrigeration valve block, the first heat pipe valve body, the second heat pipe valve body, by-passing valve, kind of refrigeration cycle valve body, the unlatching heating valve body and the pump housing or closedown and the described pump housing.
According to one embodiment of present invention, rate-determining steps specifically comprises: treatment step, and temperature signal is converted into temperature value by processing module; And calculation step, computing module receives described temperature value, described temperature value is obtained comparison result with the first preset value and the second preset value comparison respectively, and according to the state of described comparing result and 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 by-passing valve, described kind of refrigeration cycle valve body, described in heat the unlatching of valve body and the described pump housing or the power output of closedown and the described pump housing; Wherein, the first preset value is greater than the second preset value.
According to one embodiment of present invention, in calculation step; When described room air conditioning system is in refrigerating state, described first refrigeration valve block is opened, described second refrigeration valve block is opened, described first heat pipe valve body is closed, described second heat pipe valve body is closed, described by-passing valve cuts out, described kind of refrigeration cycle valve body opens, described in heat that valve body is closed, the described pump housing cuts out; When described room air conditioning system be in heating mode, temperature value be greater than the second preset value be less than described first default value time, 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 by-passing valve cuts out, 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 air conditioning system be in the state of heating, temperature value be less than described second default value time, described first refrigeration valve block is closed, described second refrigeration valve block is closed, described first heat pipe valve body is closed, described second heat pipe valve body is opened, described by-passing valve is opened, 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 air conditioning system shut down, temperature value be less than described second default value time, 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 by-passing valve cuts out, described kind of refrigeration cycle valve body is closed, described in heat that valve body is closed, the described pump housing is opened and controls the power output of the described pump housing according to the temperature of heat transferring medium.
The combined air-conditioning system that the control method that second aspect present invention embodiment provides provides for first aspect present invention embodiment, by specifically setting the first preset value and the second preset value to combined air-conditioning system, particularly, set the first preset value and be greater than the second preset value, and make the first preset value lower than temperature in machine room, when the environment temperature of outdoor is higher than the first preset value, then combined air-conditioning system performs the first mode of operation, computer-room air conditioning system and room air conditioning system be separate work between the two, particularly, be divided into two kinds of situations: 1) outdoor environment temperature is higher than temperature in machine room, such as hot summer, in this situation, computer-room air conditioning system and room air conditioning system are all in refrigerating state, and separate work is to provide enough colds respectively to room and machine room, 2) outdoor environment temperature is in machine room between temperature and the first preset value, and in this situation, computer-room air conditioning system is in refrigerating state, and room air conditioning system is shut down or is in refrigerating state, when the environment temperature of outdoor 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, when the environment temperature of outdoor is lower than the second preset value, and room air conditioning system is in when heating state, and as the work hours in winter, then combined air-conditioning system performs the third mode of operation, when the environment temperature of outdoor is lower 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 of the present invention and advantage become obvious by description part below, or are recognized by practice of the present invention.
Accompanying drawing explanation
Above-mentioned and/or additional aspect of the present invention and advantage will become obvious and easy understand from accompanying drawing below combining to the description of embodiment, 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 second of combined air-conditioning system shown in Fig. 1 mode of operation;
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 Reference numeral in Fig. 1 to Fig. 5 and the corresponding relation between component names are:
100 room air conditioning systems, 101 room compressors, 1011 exhaust outlets, 1012 gas returning ports, 102 cross valves, 103 outdoor heat exchangers, 104 kind of refrigeration cycle valve bodies, 105 indoor heat exchangers, 106 room throttling arrangements, 200 computer-room air conditioning systems, 201 machine room compressors, 202 first refrigeration valve block, 203 first heat pipe valve bodies, 204 fluid reservoirs, 205 second refrigeration valve block, 206 second heat pipe valve bodies, 207 machine room throttling arrangements, 208 pump housings, 209 evaporimeters, 210 by-passing valves, 211 evaporation tubes, 212 heat valve body, 213 condensers.
Detailed description of the invention
In order to more clearly understand above-mentioned purpose of the present invention, feature and advantage, below in conjunction with the drawings and specific embodiments, the present invention is further described in detail.It should be noted that, when not conflicting, the feature in the embodiment of the application and embodiment can combine mutually.
Set forth a lot of detail in the following description so that fully understand the present invention; but; the present invention can also adopt other to be different from other modes described here and implement, and therefore, protection scope of the present invention is not by the restriction of following public specific embodiment.
Referring to Fig. 1 to Fig. 5, described according to some embodiments of the invention combined air-conditioning system is described.
As shown in Figure 1, the combined air-conditioning system that first aspect present invention embodiment provides, for carrying out temperature adjustment to room and machine room, comprising: room air conditioning system 100 and the computer-room air conditioning system 200 be connected with room air conditioning system 100.
Wherein, room air conditioning system 100 comprises: room compressor 101, cross valve 102, outdoor heat exchanger 103, kind of refrigeration cycle valve body 104, indoor heat exchanger 105, room throttling arrangement 106 and selecting arrangement.
Particularly, room compressor 101 has gas returning port 1012 and exhaust outlet 1011; Cross valve 102 has D port, E port, S port and C port, and D port is communicated with exhaust outlet 1011, and S port is communicated with gas returning port 1012; Outdoor heat exchanger 103 is disposed in the outdoor, and the Single port of outdoor heat exchanger 103 is communicated with E port; Between kind of refrigeration cycle valve body 104 heat exchanger 103 disposed in the outdoor and E port; Indoor heat exchanger 105 is arranged in room, and the Single port of indoor heat exchanger 105 is communicated with C port; Second port of room throttling arrangement 106 is communicated with the another port of indoor heat exchanger 105, and the first port of room throttling arrangement 106 is communicated with the another port of outdoor heat exchanger 103; Selecting arrangement is for controlling the duty of room air conditioning system 100;
In addition, computer-room air conditioning system 200 comprises: machine room compressor 201, condenser 213, first refrigeration valve block 202, first heat pipe valve body 203, fluid reservoir 204, second refrigeration valve block 205, second heat pipe valve body 206, machine room throttling arrangement 207, the pump housing 208, evaporimeter 209, by-passing valve 210, evaporation tube 211, heat valve body 212 and attemperating unit.
Particularly, machine room compressor 201 has gas outlet and air inlet, the entrance of condenser 213 is connected with gas outlet, the Single port of the first refrigeration valve block 202 is communicated with air inlet, the Single port of the first heat pipe valve body 203 is communicated 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 is communicated with the another port of fluid reservoir 204, the Single port of the second heat pipe valve body 206 is communicated with the another port of fluid reservoir 204, the entrance of machine room throttling arrangement 207 is communicated with the another port of the second refrigeration valve block 205, the entrance of the pump housing 208 is communicated with the another port of the second heat pipe valve body 206, evaporimeter 209 is arranged in machine room, and the entrance of evaporimeter 209 respectively with the outlet of the pump housing 208 and the outlet of machine room throttling arrangement 207, outlet be communicated with the another port of the first heat pipe valve body 203 with the another port of the first refrigeration valve block 202 respectively, the entrance of by-passing valve 210 and the outlet of evaporimeter 209, outlet is communicated with the entrance of fluid reservoir 204, evaporation tube 211 is arranged in fluid reservoir 204, and the entrance of evaporation tube 211 is communicated with E port, and outlet is communicated with the another port of room throttling arrangement 106, heating valve body 212 arranges between evaporation tube 211 and E port, attemperating unit respectively with the first refrigeration valve block 202, second refrigeration valve block 205, first heat pipe valve body 203, second heat pipe valve body 206, by-passing valve 210, kind of refrigeration cycle valve body 104, heat valve body 212 to be connected with the pump housing 208, for the temperature of the environment temperature outside sensing chamber and fluid reservoir internal heat medium, and environmentally temperature, the temperature of heat transferring medium and the state of room air conditioning system 100, control the first refrigeration valve block 202, second refrigeration valve block 205, first heat pipe valve body 203, second heat pipe valve body 206, by-passing valve 210, kind of refrigeration cycle valve body 104, heat unlatching or the closedown of valve body 212 and the pump housing 208, and the power output of the described pump housing.
The combined air-conditioning system that first aspect present invention embodiment provides, attemperating unit is according to the environment temperature of outdoor, the temperature of heat transferring medium and the state of room air conditioning system 100 are by control first refrigeration valve block 202, second refrigeration valve block 205, first heat pipe valve body 203, second heat pipe valve body 206, by-passing valve 210, kind of refrigeration cycle valve body 104, the unlatching or the closedown that heat valve body 212 and the pump housing 208 change heat transferring medium circulation path within air-conditioning systems, and then computer-room air conditioning system 200 can be reclaimed fully, utilize the low-temperature receiver in the cold and outdoor environment of discharging in room air conditioning system 100 course of work, thus under the cold meeting computer-room air conditioning system 200 exports the prerequisite adapted with thermic load, reduce the power that computer-room air conditioning system 200 consumes because producing cold, and then achieve the energy-saving and emission-reduction of product.
Particularly when outdoor environment temperature is far above temperature in machine room, and room air conditioning system 100 is when being in refrigerating state (as summer), as shown in Figure 2, combined air-conditioning system performs the first mode of operation: the first refrigeration valve block 202 is opened, second refrigeration valve block 205 is opened, first heat pipe valve body 203 is closed, second heat pipe valve body 206 is closed, by-passing valve 210 cuts out, kind of refrigeration cycle valve body 104 is opened, heat valve body 212 to close, the pump housing 208 cuts out, now, room air conditioning system 100 and computer-room air conditioning system 200 are all in the mode of operation of refrigerating state, and both courses of work are relatively independent, wherein, the D port of cross valve 102 is communicated with E port, C port is communicated with S port, the circulation path of heat transferring medium in room air conditioning system 100 is: throttling arrangement 106-indoor heat exchanger 105-cross valve 102-room, compressor 101-cross valve 102-kind of refrigeration cycle valve body 104-outdoor heat exchanger 103-room, room compressor 101, the circulation path of heat transferring medium in computer-room air conditioning system 200 is: machine room compressor 201-condenser 213-fluid reservoir 204-second refrigeration valve block 205-machine room throttling arrangement 207-evaporimeter 209-first refrigeration valve block 202-machine room compressor 201, because outdoor environment temperature is far above indoor temperature, make room air conditioning system 100 larger with the thermic load of computer-room air conditioning system 200, therefore in this programme between attemperating unit room air conditioning system 100 and computer-room air conditioning system 200 separate work to provide enough colds respectively to room and machine room, thus ensure the refrigeration of product.
When outdoor environment temperature is a little less than temperature in machine room, and room air conditioning system 100 is in when heating state (as autumn, spring), as shown in Figure 3, combined air-conditioning system performs the second mode of operation: attemperating unit controls the first refrigeration valve block 202 and closes, second refrigeration valve block 205 is closed, first heat pipe valve body 203 is opened, second heat pipe valve body 206 is opened, by-passing valve 210 cuts out, kind of refrigeration cycle valve body 104 is closed, heat valve body 212 to open, 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 courses of work are associated, wherein, the D port of cross valve 102 is communicated with C port, E port is communicated with S port, the circulation path in room air conditioning system 100 of heat transferring medium 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, the circulation path of heat transferring medium in computer-room air conditioning system 200 is: evaporimeter 209-first heat pipe valve body 203-condenser 213-fluid reservoir 204-second heat pipe valve body 206-pump-evaporimeter 209, wherein, the heat transferring medium in evaporation tube 211 and the heat transferring medium in fluid reservoir 204 carry out heat exchange, carry out the heat exchange medium temperature after heat exchange with machine room to raise, high temperature heat transferring medium is first lowered the temperature to carry out first time in condenser 213 and external environment heat exchange, enter in fluid reservoir 204 subsequently, 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 lowered the temperature to machine room again to enter in evaporimeter 209, in this process, the heat transferring medium that in computer-room air conditioning system 200, the heat transferring medium of circulation makes full use of in environment in low-temperature receiver and room air conditioning system 100 is lowered the temperature to self, namely computer-room air conditioning system 200 achieves the object of the cooling to machine room when not done work by machine room compressor 201, 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 100 is in when heating state (as winter), as shown in Figure 4, combined air-conditioning system performs the third mode of operation: attemperating unit controls the first refrigeration valve block 202 and closes, second refrigeration valve block 205 is closed, first heat pipe valve body 203 is closed, second heat pipe valve body 206 is opened, by-passing valve 210 is opened, kind of refrigeration cycle valve body 104 is closed, heat valve body 212 to open, the pump housing 208 is opened, the circulation path in room air conditioning system 100 of heat transferring medium 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, the circulation path of heat transferring medium in computer-room air conditioning system 200 is: evaporimeter 209-by-passing valve 210 bodies-fluid reservoir 204-second heat pipe valve body 206-pump-evaporimeter 209, wherein, heat transferring medium in heat transferring medium in evaporation tube 211 and fluid reservoir 204 carries out heat exchange, in this process, because outdoor temperature is far below temperature in machine room, then the thermic load of room air conditioning system 100 is relatively large, flow velocity and the flow of the heat transferring medium then now in room air conditioning system 100 are also relatively large, thus heat exchanger effectiveness between the heat transferring medium in evaporation tube 211 and the heat transferring medium in fluid reservoir 204 is improved, then in this programme, only utilize heat transferring medium in room air conditioning system 100 to the high temperature heat transferring medium flowed out in evaporimeter 209 through once lowering the temperature, the cooling requirement of the heat transferring medium corresponding to computer-room air conditioning system 200 thermic load can be met, computer-room air conditioning system 200 is made to achieve the object of the cooling to machine room when not done work by machine room compressor 201, 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 when room air conditioning system 100 shutdown (as winter), as shown in Figure 5, combined air-conditioning system performs the 4th kind of mode of operation: attemperating unit controls the first refrigeration valve block 202 and closes, second refrigeration valve block 205 is closed, first heat pipe valve body 203 is opened, second heat pipe valve body 206 is opened, by-passing valve 210 cuts out, kind of refrigeration cycle valve body 104 is closed, heat valve body 212 to close, the pump housing 208 is opened, and the power output of the described pump housing is controlled according to the temperature of heat transferring medium, then the circulation path of heat transferring medium in computer-room air conditioning system 200 is: evaporimeter 209-first heat pipe valve body 203-condenser 213-fluid reservoir 204-second heat pipe valve body 206-pump housing 208-evaporimeter 209, in this process, heat in machine room is after evaporimeter 209 is delivered to heat transferring medium, the natural cooling source of high temperature heat transferring medium in condenser 213 with outdoor environment carries out heat exchange, to reduce the temperature of heat transferring medium, because the environment temperature of outdoor is far below temperature in machine room, therefore in this programme, utilize cold source cool-down in outdoor environment can meet the cooling requirement of the heat transferring medium corresponding to computer-room air conditioning system 200 thermic load, namely this programme is without the need to freezing by consuming energy production raw food amount again, thus largely avoid computer-room air conditioning system 200 by machine room compressor 201 merit refrigeration and cause energy-output ratio to rise, namely under the prerequisite adapted in the heat exchange amount and thermic load that meet computer-room air conditioning system 200, achieve the energy-saving and emission-reduction of computer-room air conditioning system 200, simultaneously, high temperature heat transferring medium in fluid reservoir 204 provides heat to the heat transferring medium in evaporation tube 211, thus efficiently avoid outdoor heat exchanger in existing air-conditioning system 103 and extraneous heat exchange and occur the situation of frosting, and then efficiently avoid room air conditioning system 100 causes room air conditioning system 100 to damage between heating mode and defrosting mode situation in handoff procedure and occur, so the setting of this structure further increases the dependability of product, in addition, along with the temperature in machine room is uninterrupted, attemperating unit can control the power output of the described pump housing according to the temperature of heat transferring medium, avoid the variations in temperature in machine room too fast, the machine situation that causes damage is sent, thus improves the quality of product, and then add the competitiveness of product in market.
In one embodiment of the invention, attemperating unit comprises: temperature sensor (not shown) and temperature controller (not shown).
Particularly, temperature sensor is used for the temperature of environment temperature outside sensing chamber and fluid reservoir internal heat medium, and sends temperature signal, temperature controller respectively with temperature sensor, first refrigeration valve block 202, second refrigeration valve block 205, first heat pipe valve body 203, second heat pipe valve body 206, by-passing valve 210, kind of refrigeration cycle valve body 104, heat valve body 212 to be connected with the pump housing 208, temperature controller receives temperature signal, and according to temperature signal, the temperature of heat transferring medium and the state of room air conditioning system 100, control the first refrigeration valve block 202, second refrigeration valve block 205, first heat pipe valve body 203, second heat pipe valve body 206, by-passing valve 210, kind of refrigeration cycle valve body 104, heat unlatching or the closedown of valve body 212 and the pump housing 208, and the power output of the described pump housing.
In this embodiment, the duty of the temperature signal that temperature controller transmits according to temperature sensor and room air conditioning system 100, robot brain room air-conditioning system 200 works under corresponding mode of operation, thus improves the intelligent of product, and then improves the comfort of product.
In one embodiment of the invention, temperature controller comprises: processing module and computing module.
Particularly, processing module receives temperature signal, and temperature signal is converted into temperature value, computing module respectively with processing module, first refrigeration valve block 202, second refrigeration valve block 205, first heat pipe valve body 203, second heat pipe valve body 206, by-passing valve 210, kind of refrigeration cycle valve body 104, heat valve body 212 to be connected with the pump housing 208, temperature controller receives temperature value, by temperature value and the first preset value, second preset value comparison obtains comparison result, and according to the state of comparing result and room air conditioning system 100, control the first refrigeration valve block 202, second refrigeration valve block 205, first heat pipe valve body 203, second heat pipe valve body 206, by-passing valve 210, kind of refrigeration cycle valve body 104, heat unlatching or the closedown of valve body 212 and the pump housing 208, and the power output of the described pump housing.
In this embodiment, by setting the first preset value and the second preset value, and the first preset value is higher than the second preset value, and arrange in machine room need maintain operating temperature lower than the first preset value, can the first preset value and the second preset value be reference, work under corresponding mode of operation according to the environment temperature of outdoor and the working state control computer-room air conditioning system 200 of room air conditioning system 100.
Particularly, as shown in Figure 2, when the environment temperature of outdoor is higher than the first preset value, then combined air-conditioning system performs the first mode of operation: attemperating unit controls the first refrigeration valve block 202 and opens, second refrigeration valve block 205 is opened, first heat pipe valve body 203 is closed, second heat pipe valve body 206 is closed, by-passing valve 210 cuts out, kind of refrigeration cycle valve body 104 is opened, heat valve body 212 to close, the pump housing 208 cuts out, now, room air conditioning system 100 and computer-room air conditioning system 200 are all in the mode of operation of refrigerating state, and both courses of work are relatively independent, wherein, the D port of cross valve 102 is communicated with E port, C port is communicated with S port, the circulation path of heat transferring medium in room air conditioning system 100 is: throttling arrangement 106-indoor heat exchanger 105-cross valve 102-room, compressor 101-cross valve 102-kind of refrigeration cycle valve body 104-outdoor heat exchanger 103-room, room compressor 101, the circulation path of heat transferring medium in computer-room air conditioning system 200 is: machine room compressor 201-condenser 213-fluid reservoir 204-second refrigeration valve block 205-machine room throttling arrangement 207-evaporimeter 209-first refrigeration valve block 202-machine room compressor 201, because outdoor environment temperature is far above indoor temperature, make room air conditioning system 100 larger with the thermic load of computer-room air conditioning system 200, therefore in this programme between attemperating unit room air conditioning system 100 and computer-room air conditioning system 200 separate work to provide enough colds respectively to room and machine room, thus ensure the refrigeration of product.
As shown in Figure 3, when the environment temperature of outdoor 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 block 202 and closes, second refrigeration valve block 205 is closed, first heat pipe valve body 203 is opened, second heat pipe valve body 206 is opened, by-passing valve 210 cuts out, kind of refrigeration cycle valve body 104 is closed, heat valve body 212 to open, 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 courses of work are associated, wherein, the D port of cross valve 102 is communicated with C port, E port is communicated with S port, the circulation path in room air conditioning system 100 of heat transferring medium 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, the circulation path of heat transferring medium in computer-room air conditioning system 200 is: evaporimeter 209-first heat pipe valve body 203-condenser 213-fluid reservoir 204-second heat pipe valve body 206-pump-evaporimeter 209, wherein, the heat transferring medium in evaporation tube 211 and the heat transferring medium in fluid reservoir 204 carry out heat exchange, carry out the heat exchange medium temperature after heat exchange with machine room to raise, high temperature heat transferring medium is first lowered the temperature to carry out first time in condenser 213 and external environment heat exchange, enter in fluid reservoir 204 subsequently, 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 lowered the temperature to machine room again to enter in evaporimeter 209, in this process, the heat transferring medium that in computer-room air conditioning system 200, the heat transferring medium of circulation makes full use of in environment in low-temperature receiver and room air conditioning system 100 is lowered the temperature to self, namely computer-room air conditioning system 200 achieves the object of the cooling to machine room when not done work by machine room compressor 201, thus improve the capacity usage ratio of combined air-conditioning system, and then reduce the energy consumption of product.
As shown in Figure 4, when the environment temperature of outdoor is lower than the second preset value, and room air conditioning system 100 is in when heating state, as the work hours in winter, then combined air-conditioning system performs the third mode of operation: attemperating unit controls the first refrigeration valve block 202 and closes, second refrigeration valve block 205 is closed, first heat pipe valve body 203 is closed, second heat pipe valve body 206 is opened, by-passing valve 210 is opened, kind of refrigeration cycle valve body 104 is closed, heat valve body 212 to open, the pump housing 208 is opened, the circulation path in room air conditioning system 100 of heat transferring medium 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, the circulation path of heat transferring medium in computer-room air conditioning system 200 is: evaporimeter 209-by-passing valve 210 bodies-fluid reservoir 204-second heat pipe valve body 206-pump-evaporimeter 209, wherein, heat transferring medium in heat transferring medium in evaporation tube 211 and fluid reservoir 204 carries out heat exchange, in this process, because outdoor temperature is far below temperature in machine room, then the thermic load of room air conditioning system 100 is relatively large, flow velocity and the flow of the heat transferring medium then now in room air conditioning system 100 are also relatively large, thus heat exchanger effectiveness between the heat transferring medium in evaporation tube 211 and the heat transferring medium in fluid reservoir 204 is improved, then in this programme, only utilize heat transferring medium in room air conditioning system 100 to the high temperature heat transferring medium flowed out in evaporimeter 209 through once lowering the temperature, the cooling requirement of the heat transferring medium corresponding to computer-room air conditioning system 200 thermic load can be met, computer-room air conditioning system 200 is made to achieve the object of the cooling to machine room when not done work by machine room compressor 201, thus improve the capacity usage ratio of combined air-conditioning system, and then reduce the energy consumption of product.
As shown in Figure 5, when the environment temperature of outdoor is lower than the second preset value, and room air conditioning system 100 is when shutting down, as the time of having a rest in winter, then combined air-conditioning system performs the 4th kind of mode of operation: attemperating unit controls the first refrigeration valve block 202 and closes, second refrigeration valve block 205 is closed, first heat pipe valve body 203 is opened, second heat pipe valve body 206 is opened, by-passing valve 210 cuts out, kind of refrigeration cycle valve body 104 is closed, heat valve body 212 to close, the pump housing 208 is opened, then the circulation path of heat transferring medium in computer-room air conditioning system 200 is: evaporimeter 209-first heat pipe valve body 203-condenser 213-fluid reservoir 204-second heat pipe valve body 206-pump housing 208-evaporimeter 209, in this process, heat in machine room is after evaporimeter 209 is delivered to heat transferring medium, the natural cooling source of high temperature heat transferring medium in condenser 213 with outdoor environment carries out heat exchange, to reduce the temperature of heat transferring medium, because the environment temperature of outdoor is far below temperature in machine room, therefore in this programme, utilize cold source cool-down in outdoor environment can meet the cooling requirement of the heat transferring medium corresponding to computer-room air conditioning system 200 thermic load, namely this programme is without the need to freezing by consuming energy generation again, thus largely avoid computer-room air conditioning system 200 by machine room compressor 201 merit refrigeration and cause energy-output ratio to rise, namely under the prerequisite adapted in the heat exchange amount and thermic load that meet computer-room air conditioning system 200, achieve the energy-saving and emission-reduction of computer-room air conditioning system 200, simultaneously, high temperature heat transferring medium in fluid reservoir 204 provides heat to the heat transferring medium in evaporation tube 211, thus efficiently avoid outdoor heat exchanger in existing air-conditioning system 103 and extraneous heat exchange and occur the situation of frosting, and then efficiently avoid room air conditioning system 100 causes room air conditioning system 100 to damage between heating mode and defrosting mode situation in handoff procedure and occur, so the setting of this structure further increases the dependability of product.
In one embodiment of the invention, combined air-conditioning system also comprises: gas-liquid separator (not shown), and particularly, the entrance S port of gas-liquid separator is communicated with, and outlet is communicated with gas returning port 1012.
In this embodiment, the setting of gas-liquid separator can carry out gas-liquid separation to the fluid entering room compressor 101 from gas returning port 1012 effectively, thus effectively avoid the liquid in pipeline to enter in room compressor 101, cause room compressor 101 to occur the situation of liquid hammer.
In one embodiment of the invention, combined air-conditioning system also comprises: oil eliminator (not shown), and particularly, the entrance exhaust outlet 1011 of oil eliminator is communicated with, and outlet is communicated with D port.
In this embodiment, the oil carried is set carries out recycling in the fluid that oil eliminator discharges the exhaust outlet 1011 of room compressor 101, thus avoid compressor and lack oil condition and occur.
In one particular embodiment of the present invention, preferably, outdoor heat exchanger 103, indoor heat exchanger 105, condenser 213 and evaporimeter 209 are finned heat exchanger.
In this embodiment, because the heat exchange area of finned heat exchanger is large, heat exchange efficiency is high, therefore under the prerequisite that heat exchange amount is certain, the volume of finned heat exchanger other heat exchange and Yan Geng little relatively, outdoor heat exchanger 103, indoor heat exchanger 105, condenser 213 and evaporimeter 209 are set and are finned heat exchanger, then correspondingly reduce the volume of product, reduce the cost of product.
In one embodiment of the invention, preferably, the first refrigeration valve block 202, second refrigeration valve block 205, first heat pipe valve body 203, second heat pipe valve body 206, by-passing valve 210, kind of refrigeration cycle valve body 104 and heat valve body 212 and be magnetic valve.
In this embodiment, the control accuracy of magnetic valve is high, and use flexibility strong, first refrigeration valve block 202, second refrigeration valve block 205, first heat pipe valve body 203, second heat pipe valve body 206, by-passing valve 210, kind of refrigeration cycle valve body 104 are set and heat valve body 212 and be magnetic valve, the control circuit of combined air-conditioning system can be coordinated to realize the break-make of pipeline quickly and accurately, thus further ensure the dependability of product.
Second aspect present invention embodiment provides a kind of control method, for the air-conditioning system of above-mentioned any one embodiment, comprising:
Detecting step: the temperature of the environment temperature outside temperature control sensor sensing chamber, 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 the state of environmentally temperature and room air conditioning system 100, control the power output of the first refrigeration valve block 202, second refrigeration valve block 205, first heat pipe valve body 203, second heat pipe valve body 206, by-passing valve 210, kind of refrigeration cycle valve body 104, the unlatching heating valve body 212 and the pump housing 208 or closedown and the described pump housing.
In one embodiment of the invention, rate-determining steps specifically comprises: treatment step and calculation step.
Particularly, temperature signal is converted into temperature value by processing module; Computing module receives temperature value, temperature value is obtained comparison result with the first preset value and the second preset value comparison respectively, and according to the state of comparing result and room air conditioning system 100, control the power output of the first refrigeration valve block 202, second refrigeration valve block 205, first heat pipe valve body 203, second heat pipe valve body 206, by-passing valve 210, kind of refrigeration cycle valve body 104, the unlatching heating valve body 212 and the pump housing 208 or closedown and the described pump housing; Wherein, the first preset value is greater than the second preset value.
In one embodiment of the invention, in calculation step; When room air conditioning system 100 is in refrigerating state, the first refrigeration valve block 202 is opened, the second refrigeration valve block 205 is opened, the first heat pipe valve body 203 is closed, the second heat pipe valve body 206 is closed, by-passing valve 210 cuts out, kind of refrigeration cycle valve body 104 is opened, heat that valve body 212 is closed, the pump housing 208 cuts out; When room air conditioning system 100 be in heating mode, temperature value be greater than the second preset value be less than the first default value time, 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, the second heat pipe valve body 206 is opened, by-passing valve 210 cuts out, kind of refrigeration cycle valve body 104 is closed, heat that valve body 212 is opened, the pump housing 208 is opened; When room air conditioning system 100 be in the state of heating, temperature value be less than the second default value time, the first refrigeration valve block 202 is closed, the second refrigeration valve block 205 is closed, the first heat pipe valve body 203 is closed, the second heat pipe valve body 206 is opened, by-passing 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; When room air conditioning system 100 shut down, temperature value be less than the second default value time, 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, the second heat pipe valve body 206 is opened, by-passing valve 210 cuts out, kind of refrigeration cycle valve body 104 is closed, heat that valve body 212 is closed, the pump housing 208 is opened and control the power output of the described pump housing according to the temperature of heat transferring medium.
The combined air-conditioning system that the control method that second aspect present invention embodiment provides provides for first aspect present invention embodiment, by specifically setting the first preset value and the second preset value to air-conditioning system, particularly, set the first preset value and be greater than the second preset value, and make the first preset value lower than temperature in machine room, when the environment temperature of outdoor is higher than the first preset value, then combined air-conditioning system performs the first mode of operation, computer-room air conditioning system 200 and room air conditioning system 100 separate work between the two, particularly, be divided into two kinds of situations: 1) outdoor environment temperature is higher than temperature in machine room, such as hot summer, in this situation, computer-room air conditioning system 200 and room air conditioning system 100 are all in refrigerating state, and separate work is to provide enough colds respectively to room and machine room, 2) outdoor environment temperature is in machine room between temperature and the first preset value, and in this situation, computer-room air conditioning system 200 is in refrigerating state, and room air conditioning system 100 is shut down or is in refrigerating state, when the environment temperature of outdoor 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, when the environment temperature of outdoor is lower than the second preset value, and room air conditioning system 100 is in when heating state, and as the work hours in winter, then combined air-conditioning system performs the third mode of operation, when the environment temperature of outdoor is lower than the second preset value, and when room air conditioning system 100 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.
In one particular embodiment of the present invention, in machine room, the required operating temperature maintained is 27 DEG C, and the first preset value is 16 DEG C, and the second preset value is 6 DEG C.
Particularly, when the environment temperature of outdoor is higher than 16 DEG C, then combined air-conditioning system performs the first mode of operation, as shown in Figure 2, and computer-room air conditioning system 200 and room air conditioning system 100 separate work between the two, particularly, be divided into two kinds of situations: 1) outdoor environment temperature is higher than 27 DEG C, and such as hot summer, in this situation, computer-room air conditioning system 200 and room air conditioning system 100 are all in refrigerating state, and separate work is to provide enough colds respectively to room and machine room; 2) outdoor environment temperature is between 27 DEG C and 16 DEG C, and in this situation, computer-room air conditioning system 200 is in refrigerating state, and room air conditioning system 100 is shut down or is in refrigerating state; When the environment temperature of outdoor is between 16 DEG C and 6 DEG C, as spring, autumn, as shown in Figure 3, then combined air-conditioning system performs the second mode of operation; When the environment temperature of outdoor is lower than 6 DEG C, and room air conditioning system 100 is in when heating state, and as the work hours in winter, as shown in Figure 4, then combined air-conditioning system performs the third mode of operation; When the environment temperature of outdoor is lower than 6 DEG C, and when room air conditioning system 100 is shut down, as the time of having a rest in winter, as shown in Figure 5, then combined air-conditioning system performs the 4th kind of mode of operation.
In sum, combined air-conditioning system provided by the invention, attemperating unit passes through control first refrigeration valve block according to the state of the environment temperature of outdoor and room air conditioning system, second refrigeration valve block, first heat pipe valve body, second heat pipe valve body, by-passing valve, kind of refrigeration cycle valve body, the unlatching or the closedown that heat valve body and the pump housing change heat transferring medium circulation path within air-conditioning systems, and then computer-room air conditioning system can be reclaimed fully, utilize the low-temperature receiver in the cold and outdoor environment of discharging in the room air conditioning system course of work, thus under the cold meeting computer-room air conditioning system exports the prerequisite adapted with thermic load, reduce the power that computer-room air conditioning system consumes because producing cold, and then achieve the energy-saving and emission-reduction of product.
In the present invention, term " first ", " second " object only for describing, and instruction or hint relative importance can not be interpreted as; Term " multiple " then refers to two or more, unless otherwise clear and definite restriction.The term such as term " installation ", " being connected ", " connection ", " fixing " all should be interpreted broadly, and such as, " connection " can be fixedly connected with, and also can be removably connect, or connects integratedly; " being connected " can be directly be connected, and also indirectly can be connected by intermediary.For the ordinary skill in the art, above-mentioned term concrete meaning in the present invention can be understood as the case may be.
In the description of this description, specific features, structure, material or feature that the description of term " embodiment ", " some embodiments ", " specific embodiment " etc. means to describe in conjunction with this embodiment or example are contained at least one embodiment of the present invention or example.In this manual, identical embodiment or example are not necessarily referred to the schematic representation of above-mentioned term.And the specific features of description, structure, material or feature can combine in an appropriate manner in any one or more embodiment or example.
The foregoing is only the preferred embodiments of the present invention, be not limited to the present invention, for a person skilled in the art, the present invention can have various modifications and variations.Within the spirit and principles in the present invention all, any amendment done, equivalent replacement, improvement etc., all should be included within protection scope of the present invention.

Claims (11)

1. a combined air-conditioning system, is characterized in that, comprising: room air conditioning system and the computer-room air conditioning system be connected with described room air conditioning system;
Wherein, described computer-room air conditioning system comprises:
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 is communicated with described air inlet;
First heat pipe valve body, the Single port of described first heat pipe valve body is communicated with the entrance of described condenser;
Fluid reservoir, the entrance of described fluid reservoir and the outlet of 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 described Single port of the second heat pipe valve body and the outlet of described fluid reservoir;
Machine room throttling arrangement, the entrance of described machine room throttling arrangement is communicated with the another port of described second refrigeration valve block;
The pump housing, the entrance of the described pump housing is communicated with the another port of described second heat pipe valve body;
Evaporimeter, described evaporimeter is arranged in machine room, and the entrance of described evaporimeter respectively with the outlet of the described pump housing and the outlet of described machine room throttling arrangement, outlet be communicated with the another port of described first heat pipe valve body with the another port of described first refrigeration valve block respectively;
By-passing valve, the entrance of described by-passing valve and the outlet of described evaporimeter, outlet is communicated with the entrance of described fluid reservoir;
Evaporation tube, described evaporation tube is arranged in described fluid reservoir, and the entrance of described evaporation tube is communicated with the E port of the cross valve of described room air conditioning system, and outlet is communicated with the first port of the room throttling arrangement of described room air conditioning system;
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 by-passing valve, described kind of refrigeration cycle valve body, the described valve body that heats is connected with the described pump housing, for the temperature of the environment temperature outside sensing chamber and fluid reservoir internal heat medium, and environmentally 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 by-passing valve, described kind of refrigeration cycle valve body, described unlatching or the closedown heating valve body and the described pump housing, and the power output of the described pump housing.
2. combined air-conditioning system according to claim 1, is characterized in that, described room air conditioning system comprises:
Room compressor, described room compressor has gas returning port and exhaust outlet;
Described cross valve, described cross valve has D port, described E port, S port and C port, and described D port is communicated with described exhaust outlet, and described S port is communicated with described gas returning port;
Outdoor heat exchanger, described outdoor heat exchanger is disposed in the outdoor, and the Single port of described outdoor heat exchanger is communicated with described E port;
Kind of refrigeration cycle valve body, described kind of refrigeration cycle valve body is arranged between described outdoor heat exchanger and described cross valve E port;
Indoor heat exchanger, described indoor heat exchanger is arranged in described room, and the Single port of described indoor heat exchanger is communicated with described C port;
Described room throttling arrangement, the second port of described room throttling arrangement is communicated with the another port of described indoor heat exchanger, and described first port of described room throttling arrangement is communicated with the another port of described outdoor heat exchanger; With
Selecting arrangement, described selecting arrangement is for controlling the duty of described room air conditioning system.
3. combined air-conditioning system according to claim 2, is characterized in that,
Described attemperating unit comprises:
Temperature sensor, described temperature sensor is used for the temperature of environment temperature outside sensing chamber and fluid reservoir internal heat medium, and sends temperature signal; With
Temperature controller, described temperature controller respectively with described temperature sensor, first refrigeration valve block, described second refrigeration valve block, described first heat pipe valve body, described second heat pipe valve body, described by-passing valve, described kind of refrigeration cycle valve body, the described valve body that heats is connected with the pump housing, 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 by-passing valve, described kind of refrigeration cycle valve body, described unlatching or the closedown heating valve body and the described pump housing, and the power output of the described pump housing.
4. combined air-conditioning system according to claim 3, is characterized in that, described temperature controller comprises:
Processing module, described processing module receives described temperature signal, and described temperature signal is converted into temperature 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 by-passing valve, described kind of refrigeration cycle valve body, the described valve body that heats is connected 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 comparison result, and according to the state of described comparing result and 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 by-passing valve, described kind of refrigeration cycle valve body, described unlatching or the closedown heating valve body and the described pump housing, and the power output of the described pump housing.
5. the combined air-conditioning system according to any one of claim 2 to 4, is characterized in that, also comprises:
Gas-liquid separator, S port described in the entrance of described gas-liquid separator is communicated with, and outlet is communicated with described gas returning port.
6. combined air-conditioning system according to claim 5, is characterized in that, also comprises:
Oil eliminator, exhaust outlet described in the entrance of described oil eliminator is communicated with, and outlet is communicated with described D port.
7. combined air-conditioning system according to claim 5, is characterized in that,
Described outdoor heat exchanger, described indoor heat exchanger, described condenser and described evaporimeter are finned heat exchanger.
8. combined air-conditioning system according to claim 5, is characterized 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 by-passing valve, described kind of refrigeration cycle valve body and the described valve body that heats are magnetic valve.
9. a control method, for the combined air-conditioning system such as according to any one of claim 1 to 8, is characterized in that, comprising:
Detecting step, the temperature of the environment temperature outside temperature control sensor sensing chamber and fluid reservoir internal heat medium, and send temperature signal; With
Rate-determining steps, temperature controller receives temperature signal, and the state of environmentally temperature and room air conditioning system, control the power output of the first refrigeration valve block, the second refrigeration valve block, the first heat pipe valve body, the second heat pipe valve body, by-passing valve, kind of refrigeration cycle valve body, the unlatching heating valve body and the pump housing or closedown and the described pump housing.
10. control method according to claim 9, is characterized in that, rate-determining steps specifically comprises:
Treatment step, temperature signal is converted into temperature value by processing module; With
Calculation step, computing module receives described temperature value, described temperature value is obtained comparison result with the first preset value and the second preset value comparison respectively, and according to the state of described comparing result and 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 by-passing valve, described kind of refrigeration cycle valve body, described in heat the unlatching of valve body and the described pump housing or the power output of closedown and the described pump housing;
Wherein, the first preset value is greater than the second preset value.
11. control methods according to claim 10, is characterized in that, in calculation step;
When described room air conditioning system is in refrigerating state, described first refrigeration valve block is opened, described second refrigeration valve block is opened, described first heat pipe valve body is closed, described second heat pipe valve body is closed, described by-passing valve cuts out, described kind of refrigeration cycle valve body opens, described in heat that valve body is closed, the described pump housing cuts out;
When described room air conditioning system be in heating mode, temperature value be greater than the second preset value be less than described first default value time, 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 by-passing valve cuts out, 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 air conditioning system be in the state of heating, temperature value be less than described second default value time, described first refrigeration valve block is closed, described second refrigeration valve block is closed, described first heat pipe valve body is closed, described second heat pipe valve body is opened, described by-passing valve is opened, 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 air conditioning system shut down, temperature value be less than described second default value time, 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 by-passing valve cuts out, described kind of refrigeration cycle valve body is closed, described in heat that valve body is closed, the described pump housing is opened and controls the power output of the described pump housing according to the temperature of heat transferring medium.
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