CN105135737A - Combined air conditioner system - Google Patents

Combined air conditioner system Download PDF

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Publication number
CN105135737A
CN105135737A CN201510439728.9A CN201510439728A CN105135737A CN 105135737 A CN105135737 A CN 105135737A CN 201510439728 A CN201510439728 A CN 201510439728A CN 105135737 A CN105135737 A CN 105135737A
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China
Prior art keywords
room
valve body
conditioning system
heat exchanger
machine room
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CN201510439728.9A
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Chinese (zh)
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CN105135737B (en
Inventor
王飞
陈得宗
王密
史作君
张宝成
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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 CN201510439728.9A priority Critical patent/CN105135737B/en
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Abstract

The invention provides a combined air conditioner system. The combined air conditioner system comprises a room air conditioner system and a machine room air conditioner system connected with the room air conditioner system. Heat exchange is carried out between a heat exchanging medium in the room air conditioner system and a heat exchanging medium in the machine room air conditioner system through a multi-channel heat exchanger. The control device controls opening or closing of a bypass valve, a main valve body and an auxiliary valve body according to the working mode of the room air conditioner system to change the circulation path of the heat exchanging media in the air conditioner system, and accordingly on the basis of guaranteeing the stable running of the machine room air conditioner system, the room air conditioner system can sufficiently recycle and utilize heat exhausted in the working process of the machine room air conditioner system. The situation that in the prior art, due to the outdoor environment temperature, an outdoor heat exchanger is frosted, and the heating efficiency is low is avoided, and then the energy saving and emission reducing of products are achieved.

Description

Combined air-conditioning system
Technical field
The present invention relates to air-conditioning technical field, in particular to a kind of combined air-conditioning system.
Background technology
At present, in the related, machine room air conditioner assembly (the first air-conditioner assembly) is mainly used in carrying out refrigeration cool-down to machine room, wherein, compressor discharges a large amount of heats owing to compressing refrigerant, and when other air-conditioner assemblies need to carry out the work that heats (as heating mode or defrosting mode etc.), cannot to these heat recovery and utilizations, cause the waste of energy, in addition, time temperature is lower in the winter time, room air conditioner assembly (the second air-conditioner assembly) heat speed and heating efficiency is lower, and often frosting is there is in heating operations, the problems such as defrosting.
Therefore, how to design and a kind ofly can improve heating efficiency and prevent the air-conditioner system of the problem such as frosting, defrosting from becoming current problem demanding prompt solution.
Summary of the invention
In order to solve the problems of the technologies described above one of at least, the object of the present invention is to provide a kind of combined air-conditioning system that effectively can utilize heat in machine room.
In view of this, the invention 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; Described room air conditioning system comprises: room compressor, and described room compressor has the first gas returning port and first row gas port; Cross valve, described cross valve is vented with described first respectively and is communicated with described first gas returning port; Outdoor heat exchanger, the Single port of described outdoor heat exchanger is communicated with described cross valve; Indoor heat exchanger, the Single port of described indoor heat exchanger is communicated with described cross valve; Room throttling arrangement, described room throttling arrangement is located between described outdoor heat exchanger and described indoor heat exchanger; Multi-channel heat exchanger, described multi-channel heat exchanger comprises first passage and second channel, and the Single port of described first passage is communicated with described cross valve, and another port is communicated with described room throttling arrangement; By-pass valve body, described by-pass valve body is located between described first passage and described room throttling arrangement; And device in one-way on state, described device in one-way on state is located between described outdoor heat exchanger and described room throttling arrangement, flows into described outdoor heat exchanger for preventing the refrigerant flowing through described first passage; Described computer-room air conditioning system comprises: machine room compressor, and described machine room compressor has second exhaust port and the second gas returning port, and described second exhaust port is communicated with described second channel; Auxiliary valve body, described auxiliary valve body is located between described machine room compressor and described second channel; Evaporimeter, described evaporimeter is communicated with described second channel with described second gas returning port respectively; Machine room throttling arrangement, described machine room throttling arrangement is located between described second channel and described evaporimeter; Condenser, described condenser is located between described machine room throttling arrangement and described exhaust outlet; Main valve body, described main valve body is located between described exhaust outlet and described condenser; And control device, described control device is connected with described by-pass valve body, described main valve body and described auxiliary valve body respectively, described control device is used for the mode of operation according to described room air conditioning system, controls unlatching or the closedown of described by-passing valve, described main valve body and described auxiliary valve body.
Combined air-conditioning system provided by the invention, control device is according to the mode of operation of described room air conditioning system, control described by-passing valve, unlatching or the closedown of described main valve body and described auxiliary valve body change heat transferring medium circulation path within air-conditioning systems, and then room air conditioning system can be reclaimed fully, utilize the heat of discharging in the computer-room air conditioning system course of work, avoid in prior art and utilize outdoor environment temperature, cause the situation of frosting on outdoor heat exchanger, namely the defrost stage is eliminated, thus save room air conditioning system because producing the power of defrost consumption, and then achieve the energy-saving and emission-reduction of product.
Particularly, when room air conditioning system running refrigerating pattern (as summer), control device controls by-passing valve cut out, auxiliary valve body is closed, main valve body is opened, then the circulation path in room air conditioning system of heat transferring medium is: room compressor-cross valve-outdoor heat exchanger-device in one-way on state-room throttling arrangement-indoor heat exchanger-cross valve-room compressor, then the circulation path in computer-room air conditioning system of heat transferring medium is: machine room compressor-main valve body-condenser-machine room throttling arrangement-evaporimeter-machine room compressor; Because machine room and room all need refrigeration, therefore in this programme, control device controls computer-room air conditioning system and room air conditioning system separate refrigeration, to produce enough colds to meet the needs in room and machine room.
When room air conditioning system does not run (as spring, autumn), control device controls the cut out of auxiliary valve body, main valve body is opened, then the circulation path in computer-room air conditioning system of heat transferring medium is: machine room compressor-main valve body-condenser-machine room throttling arrangement-evaporimeter-machine room compressor; Because machine room needs refrigeration, therefore in this programme, control device controls air conditioner in machine room system separate refrigeration, to produce enough colds to meet the needs of machine room.
When room air conditioning system runs heating mode (as winter), control device control by-passing valve is opened, auxiliary valve body is opened, main valve body is closed, then the circulation path in room air conditioning system of heat transferring medium is: room compressor-cross valve-indoor heat exchanger-room throttling arrangement-by-pass valve body-first passage-cross valve-room compressor, then the circulation path in computer-room air conditioning system of heat transferring medium is: machine room compressor-auxiliary valve body-second channel-machine room throttling arrangement-evaporimeter-machine room compressor, because machine room needs refrigeration, room needs to heat, the heat utilizing computer-room air conditioning system of room air conditioning system, thus avoid the situation occurring frosting, therefore in this programme, make the high temperature heat transferring medium flowed out from machine room compressor carry out heat exchange with the heat transferring medium of low temperature in first passage in inflow second channel, to improve the temperature of heat transferring medium, and make the heat transferring medium after intensification flow into room compressor, thus meeting in room under the prerequisite heated with demand, heat in the machine room of rational utilization, improve the temperature in room, thus save room air conditioning system because producing the power of defrost consumption, achieve the energy-saving and emission-reduction of product, and then reduce the energy consumption of combined air-conditioning system significantly.
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 device in one-way on state is check valve, and the entrance of described check valve is communicated with described outdoor heat exchanger, and outlet is connected with described room throttling arrangement.
In this embodiment, the setting of check valve, avoid the situation generation being entered outdoor heat exchanger by the heat exchanging medium flow of room throttling arrangement, ensure that the use of combined air-conditioning system, and check valve is when the use meeting product, structure is simple, cheap, thus reduce the manufacturing cost of product, thus improve the competitiveness of product in market.
According to one embodiment of present invention, described individual event valve guider is magnetic valve, and described magnetic valve is connected with described control device; Wherein, described control device according to the mode of operation of described room air conditioning system, can control unlatching or the cut out of described magnetic valve.
In this embodiment, magnetic valve and control device with the use of, avoid the situation generation being entered outdoor heat exchanger by the heat exchanging medium flow of room throttling arrangement, ensure that the use of combined air-conditioning system, and check valve is when the use meeting product, realize the break-make of pipeline quickly and accurately, thus further ensure the dependability of product.
According to one embodiment of present invention, described control device comprises: selecting arrangement, and described selecting arrangement can send selection signal; And controller, described controller is connected with described selecting arrangement, described by-pass valve body, described main valve body and described auxiliary valve body respectively, described control device receives described selection signal, and controls unlatching or the closedown of described by-passing valve, described main valve body and described auxiliary valve body according to described selection signal.
In this embodiment, the selection signal automatic control combination formula air-conditioning system that controller sends according to selecting arrangement works under corresponding mode of operation, thus improves the intelligent of product, and then improves the comfort of product.
According to one embodiment of present invention, combined air-conditioning system also comprises: gas-liquid separator, and described gas-liquid separator is arranged between described room compressor and described cross valve.
In this embodiment, gas-liquid separator is provided with between room compressor and cross valve, to make gas in the fluid in pipeline and fluid separation applications, thus effectively avoid the liquid in pipeline to enter in room compressor, cause the situation of room compressor liquid hammer to occur.
According to one embodiment of present invention, combined air-conditioning system also comprises: oil eliminator, and described oil eliminator is arranged between described room compressor and described cross valve.
In this embodiment, oil eliminator arranges the part of room compressor and described cross valve, and the oil that carries carries out recycling to room compressor thus in the first row gas port fluid of discharging, thus avoids room compressor and lack oil condition and occur.
According to one embodiment of present invention, described machine room throttling arrangement and described room throttling arrangement are electric expansion valve or heating power expansion valve.
In this embodiment, expansion valve can control the flow by its heat transferring medium as required accurately, thus the temperature controlled more accurately in room and machine room, the temperature fluctuation avoided in room and machine room is too large, affect the comfort of product, thus add the competitiveness of product in market.
According to one embodiment of present invention, described by-pass valve body, described auxiliary valve body and described main valve body are magnetic valve.
In this embodiment, the control accuracy of magnetic valve is high, and uses flexibility strong, arranges by-pass valve body, auxiliary valve body and main valve body and is 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.
According to one embodiment of present invention, described indoor heat exchanger, described outdoor heat exchanger, described condenser and described evaporimeter are finned heat exchanger or parallel-flow heat exchanger; Described multi-channel heat exchanger is shell and tube exchanger, double pipe heat exchanger or plate type 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, thus correspondingly reduce the volume of product, reduce the cost of product.
According to one embodiment of present invention, described first passage and described second channel are copper pipe.
In this embodiment, the good heat conductivity of copper, the first passage be made of copper and second channel, the efficiency that the heat between the heat transferring medium in first passage and the heat transferring medium in second channel transmits can be made, decrease the waste of the energy, thus effectively provide the quality of product, add the competitiveness of product in market.
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 duty of combined air-conditioning system first shown in Fig. 1;
Fig. 3 is the structural representation of the duty of combined air-conditioning system second shown in Fig. 1;
Fig. 4 is the structural representation of combined air-conditioning system shown in Fig. 1 the 3rd duty.
Wherein, the corresponding relation in Fig. 1 to Fig. 4 between Reference numeral and component names is:
100 room air conditioning systems, 11 room compressors, 12 cross valves, 13 indoor heat exchangers, 14 outdoor heat exchangers, 15 room throttling arrangements, 16 multi-channel heat exchangers, 161 first passages, 162 second channels, 17 by-pass valve bodies, 18 check valves, 200 computer-room air conditioning systems, 21 machine room compressors, 22 auxiliary valve bodies, 23 evaporimeters, 24 machine room throttling arrangements, 25 condensers, 26 main valve bodies.
In figure, arrow represents the flow direction of heat exchange throttling.
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. 4, described according to some embodiments of the invention combined air-conditioning system is described.
As shown in Figures 1 to 4, combined air-conditioning system provided by the invention, 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 11, cross valve 12, indoor heat exchanger 13, outdoor heat exchanger 14, room throttling arrangement 15, multi-channel heat exchanger 16, by-pass valve body 17 and check valve 18.
Particularly, room compressor 11 has the first gas returning port and first row gas port; Cross valve 12 is vented with first respectively and is communicated with the first gas returning port; The Single port of outdoor heat exchanger 14 is communicated with indoor heat exchanger 13 Single port with cross valve 12 is communicated with cross valve 12; Room throttling arrangement 15 is located between outdoor heat exchanger 14 and indoor heat exchanger 13; Multi-channel heat exchanger 16 comprises first passage 161 and second channel 162, and the Single port of first passage 161 is communicated with cross valve 12, and another port is communicated with room throttling arrangement 15; By-pass valve body 17 is located between first passage 161 and room throttling arrangement 15; Device in one-way on state 18 is located between outdoor heat exchanger 14 and room throttling arrangement 15, flows into outdoor heat exchanger 14 for preventing the refrigerant flowing through first passage 161.
Computer-room air conditioning system 200 comprises: machine room compressor 21, auxiliary valve body 22, evaporimeter 23, machine room throttling arrangement 24, condenser 25, main valve body 26 and control device (not shown).
Particularly, machine room compressor 21 has second exhaust port and the second gas returning port, and second exhaust port is communicated with second channel 162; Auxiliary valve body 22 is located between machine room compressor 21 and second channel 162; Evaporimeter 23 is communicated with second channel 162 with the second gas returning port respectively; Machine room throttling arrangement 24 is located between second channel 162 and evaporimeter 23; Condenser 25 is located between machine room throttling arrangement 24 and exhaust outlet; Main valve body 26 is located between exhaust outlet and condenser 25; Control device is connected with by-pass valve body 17, main valve body 26 and auxiliary valve body 22 respectively, and control device is used for the mode of operation according to room air conditioning system 100, controls unlatching or the closedown of by-passing valve, main valve body 26 and auxiliary valve body 22.
Combined air-conditioning system provided by the invention, control device is according to the mode of operation of room air conditioning system 100, control by-passing valve, unlatching or the closedown of main valve body 26 and auxiliary valve body 22 change heat transferring medium circulation path within air-conditioning systems, and then room air conditioning system 100 can be reclaimed fully, utilize the heat of discharging in computer-room air conditioning system 200 course of work, avoid in prior art and utilize outdoor environment temperature, cause the situation of frosting on outdoor heat exchanger 14, namely the defrost stage is eliminated, thus save room air conditioning system 100 because producing the power of defrost consumption, and then achieve the energy-saving and emission-reduction of product.
Particularly, shown in Fig. 2, when room air conditioning system 100 running refrigerating pattern (as summer), control device controls by-passing valve and cuts out, auxiliary valve body 22 is closed, main valve body 26 is opened, then the circulation path in room air conditioning system 100 of heat transferring medium is: throttling arrangement 15-indoor heat exchanger 13-cross valve 12-room, compressor 11-cross valve 12-outdoor heat exchanger 14-device in one-way on state 18-room, room compressor 11, then the circulation path in computer-room air conditioning system 200 of heat transferring medium is: machine room compressor 21-main valve body 26-condenser 25-machine room throttling arrangement 24-evaporimeter 23-machine room compressor 21, because machine room and room all need refrigeration, therefore in this programme, control device controls computer-room air conditioning system 200 and room air conditioning system 100 separate refrigeration, to produce enough colds to meet the needs in room and machine room.
Shown in Fig. 3, when room air conditioning system 100 does not run (as spring, autumn), control device controls that auxiliary valve body 22 is closed, main valve body 26 is opened, then the circulation path in computer-room air conditioning system 200 of heat transferring medium is: machine room compressor 21-main valve body 26-condenser 25-machine room throttling arrangement 24-evaporimeter 23-machine room compressor 21; Because machine room needs refrigeration, therefore in this programme, control device controls air conditioner in machine room system separate refrigeration, to produce enough colds to meet the needs of machine room.
Shown in Fig. 4, when room air conditioning system 100 runs heating mode (as winter), control device controls by-passing valve and opens, auxiliary valve body 22 is opened, main valve body 26 is closed, then the circulation path in room air conditioning system 100 of heat transferring medium is: throttling arrangement 15-by-pass valve body 17-first passage 161-cross valve 12-room, compressor 11-cross valve 12-indoor heat exchanger 13-room, room compressor 11, then the circulation path in computer-room air conditioning system 200 of heat transferring medium is: machine room compressor 21-auxiliary valve body 22-second channel 162-machine room throttling arrangement 24-evaporimeter 23-machine room compressor 21, because machine room needs refrigeration, room needs to heat, the heat utilizing computer-room air conditioning system 200 of room air conditioning system 100, thus avoid the situation occurring frosting, therefore in this programme, make the high temperature heat transferring medium flowed out from machine room compressor 21 carry out heat exchange with the heat transferring medium of low temperature in first passage 161 in inflow second channel 162, to improve the temperature of heat transferring medium, and make the heat transferring medium after intensification flow into room compressor 11, thus meeting in room under the prerequisite heated with demand, heat in the machine room of rational utilization, improve the temperature in room, thus save room air conditioning system 100 because producing the power of defrost consumption, achieve the energy-saving and emission-reduction of product, and then reduce the energy consumption of combined air-conditioning system significantly.
In one embodiment of the invention, as shown in Figures 1 to 4, device in one-way on state is check valve 18, and the entrance of check valve 18 is communicated with outdoor heat exchanger 14, and outlet is connected with room throttling arrangement 15.
In this embodiment, the setting of check valve 18, avoid the situation generation being entered outdoor heat exchanger 14 by the heat exchanging medium flow of room throttling arrangement 15, ensure that the use of combined air-conditioning system, and check valve 18 is when the use meeting product, structure is simple, cheap, thus reduce the manufacturing cost of product, thus improve the competitiveness of product in market.
In another embodiment of the present invention, check valve guider is magnetic valve, and magnetic valve is connected with control device; Wherein, control device can according to the mode of operation of room air conditioning system 100, the unlatching of Controlling solenoid valve or closedown.
In this embodiment, magnetic valve and control device with the use of, avoid the situation generation being entered outdoor heat exchanger 14 by the heat exchanging medium flow of room throttling arrangement 15, ensure that the use of combined air-conditioning system, and check valve 18 is when the use meeting product, realize the break-make of pipeline quickly and accurately, thus further ensure the dependability of product.
In one embodiment of the invention, control device comprises: selecting arrangement and controller.
Particularly, selecting arrangement can send selection signal; Controller is connected with selecting arrangement, by-pass valve body 17, main valve body 26 and auxiliary valve body 22 respectively, and control device receives selects signal, and according to unlatching or the closedown of selecting signal to control by-passing valve, main valve body 26 and auxiliary valve body 22.
Particularly, shown in Fig. 2, user by selecting device refrigeration mode, controller controls by-passing valve and cuts out, auxiliary valve body 22 is closed, main valve body 26 is opened, then the circulation path in room air conditioning system 100 of heat transferring medium is: room compressor 11-cross valve 12-outdoor heat exchanger 14-device in one-way on state-throttling arrangement 15-indoor heat exchanger 13-cross valve 12-room, room compressor 11, then the circulation path in computer-room air conditioning system 200 of heat transferring medium is: machine room compressor 21-main valve body 26-condenser 25-machine room throttling arrangement 24-evaporimeter 23-machine room compressor 21, because machine room and room all need refrigeration, therefore this programme middle controller controls computer-room air conditioning system 200 and room air conditioning system 100 separate refrigeration, to produce enough colds to meet the needs in room and machine room.
Shown in Fig. 3, user by selecting device controls room air conditioning system 100 and does not work, controller controls that auxiliary valve body 22 is closed, main valve body 26 is opened, then the circulation path in computer-room air conditioning system 200 of heat transferring medium is: machine room compressor 21-main valve body 26-condenser 25-machine room throttling arrangement 24-evaporimeter 23-machine room compressor 21; Because machine room needs refrigeration, therefore this programme middle controller controls air conditioner in machine room system separate refrigeration, to produce enough colds to meet the needs of machine room.
Shown in Fig. 4, user by selecting device heating mode, by-passing valve is opened, auxiliary valve body 22 is opened, main valve body 26 is closed in controller control, then the circulation path in room air conditioning system 100 of heat transferring medium is: throttling arrangement 15-by-pass valve body 17-first passage 161-cross valve 12-room, compressor 11-cross valve 12-indoor heat exchanger 13-room, room compressor 11, then the circulation path in computer-room air conditioning system 200 of heat transferring medium is: machine room compressor 21-auxiliary valve body 22-second channel 162-machine room throttling arrangement 24-evaporimeter 23-machine room compressor 21, because machine room needs refrigeration, room needs refrigeration, the heat utilizing computer-room air conditioning system 200 of room air conditioning system 100, thus avoid the situation occurring frosting, therefore in this programme, make the high temperature heat transferring medium flowed out from machine room compressor 21 carry out heat exchange with the heat transferring medium of low temperature in first passage 161 in inflow second channel 162, to improve the temperature of heat transferring medium, and make the heat transferring medium after intensification flow into room compressor 11, thus meeting in room under the prerequisite heated with demand, heat in the machine room of rational utilization, improve the temperature in room, thus save room air conditioning system 100 because producing the power of defrost consumption, achieve the energy-saving and emission-reduction of product, and then reduce the energy consumption of combined air-conditioning system significantly.
In one embodiment of the invention, combined air-conditioning system also comprises: gas-liquid separator, and gas-liquid separator is arranged between room compressor 11 and cross valve 12.
In this embodiment, gas-liquid separator is provided with between room compressor 11 and cross valve 12, to make gas in the fluid in pipeline and fluid separation applications, thus effectively avoid the liquid in pipeline to enter in machine room compressor 21, cause the situation of machine room compressor 21 liquid hammer to occur.
In one embodiment of the invention, combined air-conditioning system also comprises: oil eliminator, and oil eliminator is arranged between room compressor 11 and cross valve 12.
In this embodiment, oil eliminator arranges the part of room compressor 11 and cross valve 12, to room compressor 11 thus the oil carried in the first row gas port fluid of discharging carries out recycling, thus avoids room compressor 11 and lacks oil condition and occur.
In one embodiment of the invention, machine room throttling arrangement 24 and room throttling arrangement 15 are electric expansion valve or heating power expansion valve.
In this embodiment, expansion valve can control the flow by its heat transferring medium as required accurately, thus the temperature controlled more accurately in room and machine room, the temperature fluctuation avoided in room and machine room is too large, affect the comfort of product, thus add the competitiveness of product in market.
In one embodiment of the invention, by-pass valve body 17, auxiliary valve body 22 and main valve body 26 is magnetic valve.
In this embodiment, the control accuracy of magnetic valve is high, and use flexibility strong, by-pass valve body 17, auxiliary valve body 22 and main valve body 26 are set and are 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.
In one embodiment of the invention, indoor heat exchanger 13, outdoor heat exchanger 14, condenser 25 and evaporimeter 23 are finned heat exchanger or parallel-flow 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, thus correspondingly reduce the volume of product, reduce the cost of product.
Certainly, the type selecting of multi-channel heat exchanger can have kinds of schemes, and such as shell and tube exchanger, double pipe heat exchanger or plate type heat exchanger etc., do not enumerate herein, but all should in protection scope of the present invention.
In one embodiment of the invention, controller first passage 161 and controller second channel 162 are copper pipe.
In this embodiment, the good heat conductivity of copper, the first passage 161 be made of copper and second channel 162, the efficiency that the heat between the heat transferring medium in first passage 161 and the heat transferring medium in second channel 162 transmits can be made, decrease the waste of the energy, thus effectively provide the quality of product, add the competitiveness of product in market.
In sum, combined air-conditioning system provided by the invention, control device is according to the mode of operation of described room air conditioning system, control described by-passing valve, unlatching or the closedown of described main valve body 26 and described auxiliary valve body change heat transferring medium circulation path within air-conditioning systems, and then room air conditioning system can be reclaimed fully, utilize the heat of discharging in the computer-room air conditioning system course of work, avoid in prior art and utilize outdoor environment temperature, cause the situation of frosting on outdoor heat exchanger, namely the defrost stage is eliminated, thus save room air conditioning system because producing the power of defrost consumption, 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.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 (10)

1. a combined air-conditioning system, for carrying out temperature adjustment to room and machine room, is characterized in that, comprise: room air conditioning system and the computer-room air conditioning system be connected with described room air conditioning system;
Described room air conditioning system comprises:
Room compressor, described room compressor has the first gas returning port and first row gas port;
Cross valve, described cross valve is vented with described first respectively and is communicated with described first gas returning port;
Outdoor heat exchanger, the Single port of described outdoor heat exchanger is communicated with described cross valve;
Indoor heat exchanger, the Single port of described indoor heat exchanger is communicated with described cross valve;
Room throttling arrangement, described room throttling arrangement is located between described outdoor heat exchanger and described indoor heat exchanger;
Multi-channel heat exchanger, described multi-channel heat exchanger comprises first passage and second channel, and the Single port of described first passage is communicated with described cross valve, and another port is communicated with described room throttling arrangement;
By-pass valve body, described by-pass valve body is located between described first passage and described room throttling arrangement; With
Device in one-way on state, described device in one-way on state is located between described outdoor heat exchanger and described room throttling arrangement, flows into described outdoor heat exchanger for preventing the refrigerant flowing through described first passage;
Described computer-room air conditioning system comprises:
Machine room compressor, described machine room compressor has second exhaust port and the second gas returning port, and described second exhaust port is communicated with described second channel;
Auxiliary valve body, described auxiliary valve body is located between described machine room compressor and described second channel;
Evaporimeter, described evaporimeter is communicated with described second channel with described second gas returning port respectively;
Machine room throttling arrangement, described machine room throttling arrangement is located between described second channel and described evaporimeter;
Condenser, described condenser is located between described machine room throttling arrangement and described exhaust outlet;
Main valve body, described main valve body is located between described exhaust outlet and described condenser; With
Control device, described control device is connected with described by-pass valve body, described main valve body and described auxiliary valve body respectively, described control device is used for the mode of operation according to described room air conditioning system, controls unlatching or the closedown of described by-passing valve, described main valve body and described auxiliary valve body.
2. combined air-conditioning system according to claim 1, is characterized in that,
Described device in one-way on state is check valve, and the entrance of described check valve is communicated with described outdoor heat exchanger, and outlet is connected with described room throttling arrangement.
3. combined air-conditioning system according to claim 1, is characterized in that,
Described check valve guider is magnetic valve, and described magnetic valve is connected with described control device;
Wherein, described control device according to the mode of operation of described room air conditioning system, can control unlatching or the cut out of described magnetic valve.
4. combined air-conditioning system according to claim 1, is characterized in that,
Described control device comprises:
Selecting arrangement, described selecting arrangement can send selection signal; With
Controller, described controller is connected with described selecting arrangement, described by-pass valve body, described main valve body and described auxiliary valve body respectively, described control device receives described selection signal, and controls unlatching or the closedown of described by-passing valve, described main valve body and described auxiliary valve body according to described selection signal.
5. the combined air-conditioning system according to any one of Claims 1-4, is characterized in that, also comprises:
Gas-liquid separator, described gas-liquid separator is arranged between described room compressor and described cross valve.
6. combined air-conditioning system according to claim 5, is characterized in that, also comprises:
Oil eliminator, described oil eliminator is arranged between described room compressor and described cross valve.
7. combined air-conditioning system according to claim 6, is characterized in that,
Described machine room throttling arrangement and described room throttling arrangement are electric expansion valve or heating power expansion valve etc.
8. combined air-conditioning system according to claim 7, is characterized in that,
Described by-pass valve body, described auxiliary valve body and described main valve body are magnetic valve;
Described multi-channel heat exchanger is shell and tube exchanger, double pipe heat exchanger or plate type heat exchanger.
9. combined air-conditioning system according to claim 8, is characterized in that,
Described indoor heat exchanger, described outdoor heat exchanger, described condenser and described evaporimeter are finned heat exchanger or parallel-flow heat exchanger.
10. combined air-conditioning system according to claim 9, is characterized in that,
Described first passage and described second channel are copper pipe.
CN201510439728.9A 2015-07-23 2015-07-23 Combined air-conditioning system Active CN105135737B (en)

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CN106524556A (en) * 2016-10-24 2017-03-22 广东美的暖通设备有限公司 Air conditioner system and control method thereof
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CN109357426B (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 control method thereof
WO2020113890A1 (en) * 2018-12-03 2020-06-11 深圳市艾特网能技术有限公司 Machine room air conditioner heat recovery system and control method thereof

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