CN205079492U - Air conditioning system - Google Patents

Air conditioning system Download PDF

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Publication number
CN205079492U
CN205079492U CN201520862331.6U CN201520862331U CN205079492U CN 205079492 U CN205079492 U CN 205079492U CN 201520862331 U CN201520862331 U CN 201520862331U CN 205079492 U CN205079492 U CN 205079492U
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China
Prior art keywords
air
conditioning system
compressor
heat exchanger
circulating pump
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CN201520862331.6U
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Chinese (zh)
Inventor
李秀玲
林华和
苏国琰
赵大勇
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Vertiv Tech Co Ltd
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Emerson Network Power Co Ltd
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Abstract

The utility model discloses an air conditioning system. This air conditioning system includes: refrigerating module, first middle heat exchanger, first liquid storage pot, first circulating pump to and terminal module, wherein: the heat exchanger includes first cold source side and first heat source side in the middle of first, first cold source side with refrigerating module forms a closed circulation, first heat source side, first liquid storage pot, first circulating pump to and terminal module is passed through the refrigerant line and is fed through in proper order and form the 2nd closed circulation. Adopt the utility model provides an air conditioning system compares prior art, can solve leaking and the oil return problem of large -scale air conditioning system existence, strengthens air conditioning system's reliability.

Description

A kind of air-conditioning system
Technical field
The utility model relates to technical field of refrigeration equipment, particularly relates to a kind of air-conditioning system.
Background technology
The fast development of information industry and digital Construction, promoted data center module, the quantity of communication base station and the quick growth of construction scale, according to statistics, in machine room, base station, air conditioning energy consumption accounts for 40% ~ 50% of its total energy consumption.The sensible heat load of machine room, base station is larger, needs continuous cooling to run throughout the year.
Solve high heat density data center module dispel the heat and improve in the scheme of efficiency, the relatively normal scheme adopted is at present, and chilled water handpiece Water Chilling Units produced directly passes in the cooling coil that is arranged in data rack, is that machine room is lowered the temperature by cooling coil and air heat-exchange.The maximum hidden danger of this scheme is exactly cooling coil once leak, and will cause immeasurable loss.
In addition, the longer connecting line that large-size air conditioning system uses have impact on the oil return of compressor assembly, greatly have impact on the reliability of compressor assembly, and then have impact on the reliability of air-conditioning system.
Utility model content
The utility model embodiment provides a kind of air-conditioning system, to solve leaking and problem of oil return of large-size air conditioning system existence, strengthens the reliability of air-conditioning system.
The air-conditioning system that the utility model embodiment provides comprises: refrigeration module, first Intermediate Heat Exchanger, the first fluid reservoir, the first circulating pump, and terminus module, wherein: described first Intermediate Heat Exchanger comprises the first low-temperature receiver side and the first heat source side, described first low-temperature receiver side and described refrigeration module form the first closed circulation, and described first heat source side, the first fluid reservoir, the first circulating pump and terminus module form the second closed circulation by refrigerant line sequential communication.
Preferably, described refrigeration module comprises compressor, condenser, the second fluid reservoir, the second circulating pump, throttling arrangement and one-way conduction valve, described compressor, condenser, the second fluid reservoir, the second circulating pump and the first low-temperature receiver side form the first closed circulation, described second circulating pump is in parallel with described throttling arrangement or be arranged in series successively, and described one-way conduction valve and described compressor parallel are arranged.
Optionally, the selectable type of described compressor comprises invariable frequency compressor, frequency-changeable compressor, digital compressor, helical-lobe compressor and centrifugal compressor.
Optionally, the selectable type of described condenser comprises air-cooled condenser and water-cooled condenser.
Preferably, described terminus module comprises indoor set by pipeline connection and volume control device; Optionally, the selectable type of described indoor set comprises cabinet-type indoor set or frame top formula indoor set between unit cabinet type indoor machine, ceiling mounting type indoor set, row.
Preferably, described refrigeration module is at least one, the quantity of described first Intermediate Heat Exchanger and one_to_one corresponding identical with the quantity of refrigeration module is arranged, each described first Intermediate Heat Exchanger first low-temperature receiver side forms the first closed circulation with corresponding described refrigeration module, and whole first Intermediate Heat Exchanger first heat source side is in parallel.
Optionally, two regulating valves is provided with between the first heat source side of each first Intermediate Heat Exchanger and the first fluid reservoir.
Or described refrigeration module is two, described first Intermediate Heat Exchanger is two, and the first heat source side of two described first Intermediate Heat Exchangers is communicated with the first fluid reservoir by three-way control valve.
Preferably, described refrigeration module works in two kinds of mode of operations, and in the first mode of operation, the first low-temperature receiver side of described compressor, described condenser, described second fluid reservoir, described throttling arrangement and described first Intermediate Heat Exchanger forms the first closed circulation;
In the second mode of operation, the first low-temperature receiver side of described one-way conduction valve, described condenser, described second fluid reservoir, described second circulating pump and described first Intermediate Heat Exchanger forms the first closed circulation.
Optionally, described air-conditioning system also comprises the second Intermediate Heat Exchanger, described second Intermediate Heat Exchanger comprises the second low-temperature receiver side and Secondary Heat Source side, described second low-temperature receiver side is connected between described compressor and described condenser, and described Secondary Heat Source side is connected between described first circulating pump and described terminus module.
Or, described air-conditioning system also comprises the second Intermediate Heat Exchanger, described second Intermediate Heat Exchanger comprises the second low-temperature receiver side and Secondary Heat Source side, described second low-temperature receiver side is connected between described condenser and described second fluid reservoir, and described Secondary Heat Source side is connected between described first circulating pump and described terminus module.
Or, described air-conditioning system also comprises the second Intermediate Heat Exchanger, described second Intermediate Heat Exchanger comprises the second low-temperature receiver side and Secondary Heat Source side, and described second low-temperature receiver side is in parallel with described condenser, and described Secondary Heat Source side is connected between described first circulating pump and described terminus module.
Preferably, described compressor is at least two, and described at least two compressor parallels are arranged.
Preferably, described air-conditioning system also comprises control device and is arranged on the sensor of entrance pipe of condenser, described sensor comprises temperature sensor and/or pressure sensor, described control device is connected with described sensor signal, for selecting the mode of operation of refrigeration module according to the Detection Information of sensor.
Preferably, the connecting line of described first closed circulation is refrigerant line, and the selectable type of the cold-producing medium in described refrigerant line comprises R22, R410A, R407C, R744, R134a, R1234yf, R290 and R600a;
The connecting line of the connecting line of described second closed circulation is refrigerant line, and the selectable type of the cold-producing medium in described refrigerant line comprises R22, R410A, R407C, R744, R134a, R1234yf, R290 and R600a.
In the air-conditioning system that the utility model embodiment provides, the low-temperature receiver side of the first Intermediate Heat Exchanger and heat source side are respective independently fluid passage, therefore in terminus module, use refrigerant heat exchanger, can realize the anhydrous refrigeration of machine room; In addition, because the path of first closed circulation at refrigeration module place is shorter, therefore, in the first closed circulation, the flow path of the lubricating oil that compressor discharges is shorter compared to existing technology, thus is conducive to the oil return of lubricating oil; The air-conditioning system that this utility model embodiment provides can solve leaking and problem of oil return of large-size air conditioning system existence, strengthens the reliability of air-conditioning system.
The utility model embodiment still provides a kind of air-conditioning system, comprising: form the magnetic suspension compressor of closed circulation, condenser, the second fluid reservoir, the second circulating pump, terminus module, or the throttling arrangement of successively connecting in parallel with described second circulating pump and the first one-way conduction valve in parallel with described magnetic suspension compressor by connecting line sequential communication.
Preferably, described air-conditioning system can work in two kinds of mode of operations, and wherein: in the first mode of operation, described magnetic suspension compressor is opened, described second circulation pump; In the second mode of operation, described magnetic suspension compressor is closed, and described second circulating pump is opened.
The air-conditioning system that the utility model embodiment provides uses refrigerant heat exchanger, can realize the anhydrous refrigeration of machine room; In addition, adopt magnetic suspension compressor, compressor is produced low-temperature refrigerant and is directly assigned to terminus module and carries out heat exchange.Because magnetic suspension compressor runs without oil, do not have oil return to limit, the parallel running of the long connecting leg of multimachine can be realized.Therefore, compared to existing technology, the air-conditioning system that this utility model embodiment provides can solve leaking and problem of oil return of large-size air conditioning system existence, strengthens the reliability of air-conditioning system.
Accompanying drawing explanation
Fig. 1 is the structural representation of the utility model first embodiment air-conditioning system;
Fig. 2 is the structural representation of the utility model second embodiment air-conditioning system;
Fig. 3 is the structural representation of the utility model the 3rd embodiment air-conditioning system;
Fig. 4 is the structural representation of the utility model the 4th embodiment air-conditioning system;
Fig. 5 is the structural representation of the utility model the 5th embodiment air-conditioning system;
Fig. 6 is the structural representation of the utility model the 6th embodiment air-conditioning system;
Fig. 7 is the structural representation of the utility model the 7th embodiment air-conditioning system.
Reference numeral:
1-compressor;
2-condenser;
3-second circulating pump;
4-first Intermediate Heat Exchanger;
5-first fluid reservoir;
6-first circulating pump;
7-terminus module;
8-indoor set;
9-volume control device;
10-two regulating valves;
11-three-way control valve;
12-second fluid reservoir;
13-magnetic suspension compressor;
14-throttling arrangement;
15,17-magnetic valve;
16-second one-way conduction valve;
18-first one-way conduction valve;
19,20,21-second Intermediate Heat Exchanger;
22-water-cooled condenser.
Detailed description of the invention
In order to solve leaking and problem of oil return of large-size air conditioning system existence, strengthening the reliability of air-conditioning system, the utility model discloses a kind of air-conditioning system.For making the purpose of this utility model, technical scheme and advantage clearly, by the following examples the utility model is described in further detail.
As shown in Figure 1, air-conditioning system in the utility model first embodiment comprises: refrigeration module, first Intermediate Heat Exchanger 4, first fluid reservoir 5, first circulating pump 6, and terminus module 7, wherein the first Intermediate Heat Exchanger 4 comprises the first low-temperature receiver side and the first heat source side, first low-temperature receiver side and refrigeration module form the first closed circulation, the first heat source side, the first fluid reservoir 5, first circulating pump 6, and terminus module 7 forms the second closed circulation by refrigerant line sequential communication.
In the air-conditioning system that the utility model embodiment provides, the low-temperature refrigerant that refrigeration module is produced absorbs heat in the first low-temperature receiver side of the first Intermediate Heat Exchanger, the cold-producing medium heat release in the first heat source side of the first Intermediate Heat Exchanger heated up after terminus module and machine room air heat-exchange, achieve the exchange heat between refrigeration module and terminus module, because the low-temperature receiver side of the first Intermediate Heat Exchanger and heat source side are independently fluid passage separately, so refrigerant heat exchanger can be used in terminus module, the anhydrous refrigeration of machine room can be realized; In addition, because refrigeration module and terminus module are in separate closed circulation, in the closed circulation residing for refrigeration module, each part can arrange comparatively concentrated, and pipeline can arrange shorter, the lubricating oil distributed in pipeline is less, can solve the problem of oil return of compressor lubricant oil; After eliminating the problem of oil return restriction of longer connecting line, the indoor set that can realize greater number in terminus module is in parallel, and can increase length and the caliber of connecting line, improves pipe-line system performance, indirectly improves the performance of air-conditioning system.Therefore, compared to existing technology, the air-conditioning system that the utility model embodiment provides can solve leaking and problem of oil return of large-size air conditioning system existence, strengthens the reliability of air-conditioning system.
As shown in Figure 2, in the technical scheme of the utility model second embodiment, refrigeration module comprises compressor 1, condenser 2, second fluid reservoir 12, second circulating pump 3, throttling arrangement 14 and the first one-way conduction valve 18, compressor 1, condenser 2, second fluid reservoir 12, second circulating pump 3, throttling arrangement 14 and the first one-way conduction valve 18 and the first low-temperature receiver side form the first closed circulation, throttling arrangement 14 and the second circulating pump 3 are arranged in parallel, and the first one-way conduction valve 18 is arranged in parallel with compressor 1.
Throttling arrangement is in parallel with the second circulating pump makes pressure in connecting line less, is conducive to energy saving of system.
Wherein, the second circulating pump 3 also can be arranged in series successively with throttling arrangement 14, and throttling arrangement 14 can be electric expansion valve, heating power expansion valve and capillary; Be provided with bypass pipe between compressor 1 suction house steward, bypass pipe is provided with one-way conduction valve, and one-way conduction valve flows to exhaust main by air suction main.
As shown in Figure 1, the condenser 2 of the utility model first embodiment is air-cooled condenser, but in practical application, also can adopt and use cooling tower Bound moisture cool condenser scheme.Air-cooled condenser can use frequency conversion stepless time adjustment blower fan, by regulating rotation speed of fan to control in rational scope by condensing pressure at outdoor varying environment temperature, improves system energy efficiency; Condenser heat exchange coil form is not limit, and can adopt the form such as finned tube, microchannel.
As shown in Figure 2, in the technical scheme of the utility model second embodiment, the water-cooled condenser 22 in dashed rectangle comprises cooling tower, Shell-tube Condenser and cooling water pump.Water-cooled condenser particular type can be plate type heat exchanger, shell and tube exchanger, double pipe heat exchanger etc.
As shown in Figure 1, in the utility model first embodiment, terminus module 7 is made up of multiple indoor set 8 and multiple volume control device 9, and indoor set can be cabinet-type between unit cabinet formula, ceiling mounting type, row, frame top formula; Volume control device 9 can adopt electric expansion valve, at the coil inlet of indoor set, electric expansion valve is set, refrigerant flow adjustment can be carried out according to the outlet superheat degree of heat exchange coil, ensure each indoor set automatic adjusting refrigerant flow rate when different load demand, respond respective refrigeration demand respectively, thus realize accurately temperature adjustment reliably.End heat exchange coil can adopt the various ways such as finned tube, microchannel.
In each embodiment of the present utility model, the selectable type of compressor comprises invariable frequency compressor, frequency-changeable compressor, digital compressor, helical-lobe compressor and centrifugal compressor.
As shown in Figure 2, air-conditioning system in the utility model second embodiment comprises two the first Intermediate Heat Exchangers, two refrigeration modules (not shown in FIG.), each refrigeration module correspondence connects first Intermediate Heat Exchanger, first low-temperature receiver side of each first Intermediate Heat Exchanger forms the first closed circulation with corresponding refrigeration module, and the first heat source side of two the first Intermediate Heat Exchangers is in parallel.
In actual applications, refrigeration module and the first Intermediate Heat Exchanger quantity are not limited to two, and can adopt the form of N number of first Intermediate Heat Exchanger of N (N >=3) individual refrigeration module difference one_to_one corresponding, the value of N depends on the load condition of air-conditioning system.
It is worth mentioning that, in the utility model embodiment scheme, the quantity of refrigeration module and the first Intermediate Heat Exchanger and corresponding relation are never confined to shown in Fig. 2, it can also be such as corresponding first Intermediate Heat Exchanger of multiple refrigeration module, or corresponding multiple first Intermediate Heat Exchanger of refrigeration module, etc., as long as there is such structure in air-conditioning system: the first low-temperature receiver side of the first Intermediate Heat Exchanger and refrigeration module form the first closed circulation, first heat source side of the first Intermediate Heat Exchanger, first fluid reservoir, first circulating pump and terminus module form the second closed circulation by refrigerant line sequential communication.
Adopt this technical scheme, air-conditioning system Effec-tive Function under various load condition can be ensured in gang air conditioner in large-scale multisystem.
As shown in Figure 2, in the technical scheme of the utility model second embodiment, two refrigeration module parallel connections in air-conditioning system, are respectively provided with a two regulating valves 10 between the first heat source side of two the first Intermediate Heat Exchangers 4 and the first fluid reservoir 5.Control refrigerant flow by regulating the aperture of two two regulating valves 10 and ensure the cold-producing medium degree of supercooling that the first Intermediate Heat Exchanger 4 exports.In like manner, in the air-conditioning system comprising N number of refrigeration module, need to adopt N number of two regulating valves.
Or adopt as shown in Figure 3, in the technical scheme of the utility model the 3rd embodiment, two refrigeration module parallel connections in air-conditioning system, two the first Intermediate Heat Exchangers 4 are communicated with the first fluid reservoir 5 by three-way control valve 11, control refrigerant flow ensure the cold-producing medium degree of supercooling that the first Intermediate Heat Exchanger 4 exports by regulating the aperture of three-way control valve 11.When adopting two-port valve to control, each system only judges the aperture of valve according to the degree of supercooling state of self, the pressure drop of each valve itself can offset a part of degree of supercooling, equals to artificially increase SR, is unfavorable for energy-conservation; Adopt triple valve, a system valve is opened greatly, and another cooling system agent flux corresponding reduces automatically, and the system that is beneficial to more fast and effeciently regulates, and use two two-port valves of comparing, have energy-conservation effect.
As shown in Figure 2, in the utility model second embodiment, refrigeration module can work in two kinds of mode of operations, wherein:
In the first mode of operation, the first low-temperature receiver side of compressor 1, condenser 2, second fluid reservoir 12, throttling arrangement 14 and the first Intermediate Heat Exchanger 4 forms the first closed circulation; Now, magnetic valve 15 is opened, and magnetic valve 17 cuts out, the second one-way conduction valve 16 conducting.
In the second mode of operation, the first low-temperature receiver side of the first one-way conduction valve 18, condenser 2, second fluid reservoir 12, second circulating pump 3 and the first Intermediate Heat Exchanger 4 forms the first closed circulation; Now, magnetic valve 15 cuts out, and magnetic valve 17 is opened, the first one-way conduction valve 18 conducting.
In this technical scheme, the second circulating pump and the first circulating pump can be the various ways such as centrifugal pump, gear pump, and the second circulating pump and the first circulating pump can be variable frequency pumps, also can be determine frequency pump.Wherein, the first circulating pump adopts variable frequency pump according to load variations flexible modulation refrigerant flow, can adapt to the refrigeration requirement in sub-load and excessive season.
In circulating pump system, the scheme that pump is in parallel with expansion valve can be adopted, also can adopt the scheme that pump is connected with expansion valve; Expansion valve can be the various ways such as heating power expansion valve, electric expansion valve.As shown in Figure 1, in the utility model embodiment, employing be the second circulating pump 3 form in parallel with expansion valve.
When outdoor environment meets switching condition, the first mode of operation and the second mode of operation switch mutually, can realize energy-saving run.
As shown in Figure 4, in the technical scheme of the utility model the 4th embodiment, air-conditioning system also comprises the second Intermediate Heat Exchanger 19, second Intermediate Heat Exchanger 19 comprises the second low-temperature receiver side and Secondary Heat Source side, second low-temperature receiver side is connected between compressor 1 and condenser 2, and the first heat source side is connected between the first circulating pump 6 and terminus module.The high-temperature gas that compressor is discharged first carries out heat exchange precooling with the low-temperature refrigerant liquid in the second closed circulation, enter condenser again and carry out condensation, reduce the condensation temperature of refrigeration module, eliminate the second low-temperature receiver side low-temperature refrigerant degree of supercooling, improve air-conditioning system efficiency.
As shown in Figure 5, in the technical scheme of the utility model the 5th embodiment, air-conditioning system also comprises the second Intermediate Heat Exchanger 20, described second Intermediate Heat Exchanger 20 comprises the second low-temperature receiver side and Secondary Heat Source side, second low-temperature receiver side is connected between condenser 2 and the second fluid reservoir 12, and Secondary Heat Source side is connected between the first circulating pump 6 and terminus module.It is excessively cold further that low-temperature refrigerant liquid in high temperature refrigerant after condenser condenses and the second closed circulation carries out heat exchange, eliminates the second low-temperature receiver side low-temperature refrigerant degree of supercooling, and then improve air-conditioning system efficiency.
As shown in Figure 6, in the technical scheme of the utility model the 6th embodiment, air-conditioning system also comprises the second Intermediate Heat Exchanger 21, second Intermediate Heat Exchanger 21 comprises the second low-temperature receiver side and Secondary Heat Source side, second low-temperature receiver side is in parallel with condenser 2, and Secondary Heat Source side is connected between the first circulating pump 6 and terminus module.The high-temperature gas that compressor is discharged is divided into two parts, a part enters condenser, the low-temperature refrigerant liquid that a part enters in the second Intermediate Heat Exchanger and the second closed circulation carries out heat exchange condensation, be equivalent to increase condenser, and eliminate the second low-temperature receiver side low-temperature refrigerant degree of supercooling, improve air-conditioning system efficiency.It should be noted that, this kind of scheme relates to refrigeration module high temperature refrigerant assignment of traffic problem, can according to the size of the concrete refrigerant temperature of the second closed circulation and the second Intermediate Heat Exchanger, the cold-producing medium caliber of choose reasonable second Intermediate Heat Exchanger high temperature side, this caliber can be different from compressor exhaust pipe caliber, to reach good partition characteristic.
As shown in Figure 1, in the air-conditioning system of the utility model first embodiment, two compressors are adopted to be arranged in parallel.Two parallel connection compressors can be opened according to payload simultaneously or only open wherein one, realize the energy-saving run of sub-load and transition season.In actual applications, number of compressors is not limited to two, can adopt the compressor of greater number according to load.Compressor can be invariable frequency compressor, frequency-changeable compressor, digital compressor, helical-lobe compressor or centrifugal compressor.
The air-conditioning system that the utility model first embodiment provides also comprises control device and is arranged on the sensor of entrance pipe of condenser, sensor comprises temperature sensor and/or pressure sensor, control device is connected with sensor signal, can switch the mode of operation of refrigeration module according to the Detection Information of sensor.Such as when outdoor temperature uses circulating pump pattern lower than during certain value, outdoor temperature adopts compressor mode higher than during certain value, to realize energy-saving run.
In the technical scheme of each embodiment of the utility model, the connecting line of described first closed circulation is refrigerant line, and the selectable type of the cold-producing medium in described refrigerant line comprises R22, R410A, R407C, R744, R134a, R1234yf, R290 and R600a;
The connecting line of the connecting line of described second closed circulation is refrigerant line, and the selectable type of the cold-producing medium in described refrigerant line comprises R22, R410A, R407C, R744, R134a, R1234yf, R290 and R600a.
As shown in Figure 7, the utility model the 7th embodiment proposes a kind of air-conditioning system, and in this air-conditioning system, magnetic suspension compressor 13, condenser 2, second fluid reservoir 12, second circulating pump 3 and terminus module 7 are by pipeline sequential communication and form closed circulation; This air-conditioning system also comprises throttling arrangement 14, and throttling arrangement 14 and the second circulating pump 3 are parallel in closed circulation, and the first one-way conduction valve 18 is arranged in parallel with compressor 1.
Wherein, the second circulating pump 3 also can be arranged in series successively with throttling arrangement 14.
The air-conditioning system that the utility model the 7th embodiment provides uses refrigerant heat exchanger, can realize the anhydrous refrigeration of machine room; In addition, adopt magnetic suspension compressor, compressor is produced low-temperature refrigerant and is directly assigned to terminus module and carries out heat exchange.Because magnetic suspension compressor runs without oil, do not have oil return to limit, the parallel running of the long connecting leg of multimachine can be realized.Therefore, compared to existing technology, the air-conditioning system that this utility model embodiment provides can solve leaking and problem of oil return of large-size air conditioning system existence, strengthens the reliability of air-conditioning system.
As shown in Figure 7, the air-conditioning system that the utility model the 7th embodiment provides can work in two kinds of mode of operations, and wherein: in the first mode of operation, magnetic suspension compressor is opened, the second circulation pump; In the second mode of operation, magnetic suspension compressor is closed, and the second circulating pump is opened.When outdoor environment meets switching condition, the first mode of operation and the second mode of operation switch mutually, can realize energy-saving run.
In the technical scheme of each embodiment of the present utility model, bypass line can be set at the first circulation delivery side of pump, permanent flow valve and one-way conduction valve are set, guarantee the minimum inflow-rate of water turbine under underload, thus pump safe and reliable operation more can be made.
Obviously, those skilled in the art can carry out various change and modification to the utility model and not depart from spirit and scope of the present utility model.Like this, if these amendments of the present utility model and modification belong within the scope of the utility model claim and equivalent technologies thereof, then the utility model is also intended to comprise these change and modification.

Claims (17)

1. an air-conditioning system, is characterized in that, comprising: refrigeration module, the first Intermediate Heat Exchanger, the first fluid reservoir, the first circulating pump, and terminus module, wherein:
Described first Intermediate Heat Exchanger comprises the first low-temperature receiver side and the first heat source side, described first low-temperature receiver side and described refrigeration module form the first closed circulation, and described first heat source side, the first fluid reservoir, the first circulating pump and terminus module form the second closed circulation by refrigerant line sequential communication.
2. air-conditioning system as claimed in claim 1, it is characterized in that, described refrigeration module comprises compressor, condenser, the second fluid reservoir, the second circulating pump, throttling arrangement and the first one-way conduction valve, described compressor, condenser, the second fluid reservoir, the second circulating pump and the first low-temperature receiver side form the first closed circulation, described second circulating pump is in parallel with described throttling arrangement or be arranged in series successively, and described first one-way conduction valve and described compressor parallel are arranged.
3. air-conditioning system as claimed in claim 2, it is characterized in that, the selectable type of described compressor comprises invariable frequency compressor, frequency-changeable compressor, digital compressor, helical-lobe compressor and centrifugal compressor.
4. air-conditioning system as claimed in claim 2, it is characterized in that, the selectable type of described condenser comprises air-cooled condenser and water-cooled condenser.
5. air-conditioning system as claimed in claim 1, is characterized in that, described terminus module comprises indoor set by pipeline connection and volume control device; The selectable type of described indoor set comprises cabinet-type indoor set or frame top formula indoor set between unit cabinet type indoor machine, ceiling mounting type indoor set, row.
6. air-conditioning system as claimed in claim 1, it is characterized in that, described refrigeration module is at least two, the quantity of described first Intermediate Heat Exchanger and one_to_one corresponding identical with the quantity of refrigeration module is arranged, first low-temperature receiver side of each first Intermediate Heat Exchanger forms the first closed circulation with corresponding refrigeration module, and the first heat source side of whole first Intermediate Heat Exchanger is in parallel.
7. air-conditioning system as claimed in claim 6, is characterized in that, be provided with two regulating valves between the first heat source side of each first Intermediate Heat Exchanger and the first fluid reservoir.
8. air-conditioning system as claimed in claim 6, it is characterized in that, when described refrigeration module is two, the first heat source side of two the first Intermediate Heat Exchangers is communicated with the first fluid reservoir by three-way control valve.
9. air-conditioning system as claimed in claim 2, it is characterized in that, described refrigeration module works in two kinds of mode of operations, and in the first mode of operation, the first low-temperature receiver side of described compressor, condenser, the second fluid reservoir, throttling arrangement and the first Intermediate Heat Exchanger forms the first closed circulation;
In the second mode of operation, the first low-temperature receiver side of described first one-way conduction valve, condenser, the second fluid reservoir, the second circulating pump and the first Intermediate Heat Exchanger forms the first closed circulation.
10. air-conditioning system as claimed in claim 2, it is characterized in that, also comprise the second Intermediate Heat Exchanger, described second Intermediate Heat Exchanger comprises the second low-temperature receiver side and Secondary Heat Source side, described second low-temperature receiver side is connected between described compressor and described condenser, and described Secondary Heat Source side is connected between described first circulating pump and described terminus module.
11. air-conditioning systems as claimed in claim 2, it is characterized in that, also comprise the second Intermediate Heat Exchanger, described second Intermediate Heat Exchanger comprises the second low-temperature receiver side and Secondary Heat Source side, described second low-temperature receiver side is connected between described condenser and described second fluid reservoir, and described Secondary Heat Source side is connected between described first circulating pump and described terminus module.
12. air-conditioning systems as claimed in claim 2, it is characterized in that, also comprise the second Intermediate Heat Exchanger, described second Intermediate Heat Exchanger comprises the second low-temperature receiver side and Secondary Heat Source side, described second low-temperature receiver side is in parallel with described condenser, and described Secondary Heat Source side is connected between described first circulating pump and described terminus module.
13. air-conditioning systems as claimed in claim 2, it is characterized in that, described compressor is at least two, and described at least two compressor parallels are arranged.
14. air-conditioning systems as claimed in claim 9, it is characterized in that, described air-conditioning system also comprises control device and is arranged on the sensor of entrance pipe of condenser, described sensor comprises temperature sensor and/or pressure sensor, described control device is connected with described sensor signal, for selecting the mode of operation of refrigeration module according to the Detection Information of sensor.
15. air-conditioning systems as claimed in claim 1, it is characterized in that, the connecting line of described first closed circulation is refrigerant line, and the selectable type of the cold-producing medium in described refrigerant line comprises R22, R410A, R407C, R744, R134a, R1234yf, R290 and R600a;
The connecting line of described second closed circulation is refrigerant line, and the selectable type of the cold-producing medium in described refrigerant line comprises R22, R410A, R407C, R744, R134a, R1234yf, R290 and R600a.
16. 1 kinds of air-conditioning systems, it is characterized in that, comprising: form the magnetic suspension compressor of closed circulation, condenser, the second fluid reservoir, the second circulating pump, terminus module, or the throttling arrangement of successively connecting in parallel with described second circulating pump and the first one-way conduction valve in parallel with described magnetic suspension compressor by connecting line sequential communication.
17. air-conditioning systems as claimed in claim 16, it is characterized in that, described air-conditioning system can work in two kinds of mode of operations, and wherein: in the first mode of operation, described magnetic suspension compressor is opened, described second circulation pump; In the second mode of operation, described magnetic suspension compressor is closed, and described second circulating pump is opened.
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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106642768A (en) * 2015-11-02 2017-05-10 艾默生网络能源有限公司 Air conditioning system
WO2017219650A1 (en) * 2015-11-02 2017-12-28 维谛技术有限公司 Air conditioning system, composite condenser, and operation control method and device for air conditioning system
CN107726491A (en) * 2016-08-12 2018-02-23 维谛技术有限公司 A kind of new heat pipe computer-room air conditioning system and its operation method
CN110036248A (en) * 2016-12-07 2019-07-19 三菱重工制冷空调系统株式会社 Heat source system, control device, control method and program

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106642768A (en) * 2015-11-02 2017-05-10 艾默生网络能源有限公司 Air conditioning system
WO2017219650A1 (en) * 2015-11-02 2017-12-28 维谛技术有限公司 Air conditioning system, composite condenser, and operation control method and device for air conditioning system
CN107726491A (en) * 2016-08-12 2018-02-23 维谛技术有限公司 A kind of new heat pipe computer-room air conditioning system and its operation method
CN107726491B (en) * 2016-08-12 2020-02-18 维谛技术有限公司 Novel heat pipe machine room air conditioning system and operation method thereof
CN110036248A (en) * 2016-12-07 2019-07-19 三菱重工制冷空调系统株式会社 Heat source system, control device, control method and program

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