CN110230901A - A kind of the refrigerant distribution pipe and heat pump system of gas-liquid two-phase common type - Google Patents

A kind of the refrigerant distribution pipe and heat pump system of gas-liquid two-phase common type Download PDF

Info

Publication number
CN110230901A
CN110230901A CN201910444160.8A CN201910444160A CN110230901A CN 110230901 A CN110230901 A CN 110230901A CN 201910444160 A CN201910444160 A CN 201910444160A CN 110230901 A CN110230901 A CN 110230901A
Authority
CN
China
Prior art keywords
refrigerant
main pipeline
liquid
gas
distribution pipe
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201910444160.8A
Other languages
Chinese (zh)
Inventor
唐兰
赵矿美
黎清荐
孙艳红
穆欢
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Guangzhou University
Original Assignee
Guangzhou University
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Guangzhou University filed Critical Guangzhou University
Priority to CN201910444160.8A priority Critical patent/CN110230901A/en
Publication of CN110230901A publication Critical patent/CN110230901A/en
Pending legal-status Critical Current

Links

Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25BREFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B30/00Heat pumps
    • F25B30/02Heat pumps of the compression type
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25BREFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B30/00Heat pumps
    • F25B30/06Heat pumps characterised by the source of low potential heat
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25BREFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B41/00Fluid-circulation arrangements
    • F25B41/30Expansion means; Dispositions thereof
    • F25B41/31Expansion valves

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Mechanical Engineering (AREA)
  • Thermal Sciences (AREA)
  • General Engineering & Computer Science (AREA)
  • Other Air-Conditioning Systems (AREA)

Abstract

The invention discloses a kind of refrigerant distribution pipe of gas-liquid two-phase common type and heat pump systems, refrigerant distribution pipe includes main pipeline, main pipeline is equipped with refrigerant inlet, the shunt head that main pipeline is equipped with liquid outlet and is located on liquid outlet in the side of refrigerant inlet, main pipeline is equipped with several refrigerant exits in the other side of refrigerant inlet, extend multiple isocons on shunt head, refrigerant exit is the branch pipe that main pipeline top set comes out, each isocon is connected on a corresponding branch pipe, this section of internal diameter of main pipeline setting refrigerant exit is gradually reduced, further away from the position of refrigerant inlet, the internal diameter of main pipeline is smaller.This programme is using the method that will first collect again after gas and liquid distribution, gas and liquid can be evenly distributed, the gas-liquid mixture after then evenly distributing is sent into heat exchanger, enhances the heat exchange efficiency of heat exchanger, refrigeration performance is improved, active influence is produced to the performance of heat pump system.The invention is used for air-conditioning heat pump field.

Description

A kind of the refrigerant distribution pipe and heat pump system of gas-liquid two-phase common type
Technical field
The present invention relates to air-conditioning heat pump fields, more particularly to the refrigerant distribution pipe and heat pump of a kind of gas-liquid two-phase common type System.
Background technique
With rapid development of economy, to seek a kind of efficient, energy-saving and environmental protection method, heat pump system has been obtained extensively Application.Heat pump system is primarily adapted for use in Analysis of Heat Pump Drying System, heat pump water heater system, air-conditioning system, air-conditioning condensation heat recovery In system, comfortable living environment not only is provided for people, the waste of the energy is also effectively avoided, has met energy-saving and emission-reduction Theory.
It is more for the research of heat pump system at present, and with the further maturation of research, the achievable function of heat pump system Diversification can also be become.A kind of patent " multifunctional heat pump heat of Guangdong Ai Ni intelligent appliance Manufacturing Co., Ltd Chen Yongliang et al. Water dispenser group " realizes the different demands feelings such as cold and hot and hot water by using two triple valves, two four-way valves, two expansion valves Condition, and the reliability that defrosts is higher, in cooling mode, refrigerant flow direction is to pass through four-way valve (energization) again from compressor to the system The gas-liquid mixture of low-temp low-pressure third is sent into again using the second electric expansion valve (energization) to the second heat exchanger heat release to change Hot device refrigeration, the low-temp low-pressure gaseous refrigerant come out from third heat exchanger return compressor, complete refrigeration cycle;Heat mould Refrigerant flow direction arrives the heat release of third heat exchanger using the first electric expansion valve by four-way valve (power-off) for compressor again under formula (energization) throttling is absorbed heat using the second heat exchanger, finally returns compressor, completes heating circulation.Prosperous member of Guangzhou University woods etc. Patent CN202229465U " superthermal freely to recycle solar heat pump assembly " of the people device is divided into first order heat regenerator and Second level heat regenerator may be implemented condensation heat under the premise of guaranteeing that the operating condition of refrigeration or heating operates normally and freely recycle, The full heat of condensation can be recycled and added cold and hot superthermal, improve the energy and efficiency of refrigeration and heating.The unit is in refrigeration and system Under hot-water mode, refrigerant first passes around compressor and successively enters condensation using four-way reversing valve by two-stage heat regenerator again Device flows into evaporator again subsequently into throttling set decompression, finally returns compressor, completes circulation;In heating and heating Under aqueous mode, refrigerant is successively flowing into the condenser (summer by four-way valve commutation by two-stage heat regenerator out from compressor Season is evaporator) evaporator (summer is condenser) is entered by throttling set again, compressor is finally returned, circulation is completed. Its refrigeration mode is defined as the forward flow of refrigerant by above-mentioned two patent, and heating mode is defined as the reversed of refrigerant Flowing all has that refrigerant evenly distributes for refrigerant forward flow and reverse flow, and can refrigerant uniformly be divided Match, there is important influence to the performance of heat pump system.Not to refrigerant forward flow and reversely in current investigative technique The problem that evenly distributes of refrigerant accounts in mobility status, and use scope is restricted, and technology development also has limitation.
In air conditioner heat pump system, can the refrigerant after throttling set be evenly distributed to each branch of heat exchanger In, the exchange capability of heat of heat exchanging device generates important influence.Distribution pipe and dispenser component are important in air conditioner heat pump system Auxiliary device, its effect are the components being allocated to the refrigerant for each branch line for entering heat exchanger.Reasonable refrigerant The heat exchange efficiency of heat exchanger can be improved in distribution, and then promotes the working performance of heat pump system.
The vital task that the cooling medium distributor that existing market uses all uses dispenser to realize that refrigerant distributes.Guangzhou product are prosperous The patent CN107289680A " a kind of uniform dispenser of refrigerant " that detecting and controlling system designs Co., Ltd Sun Zhi soldier etc. is used Spiral helicine liquid supply pipe, by promoting liquid in rotation, drum is light-weight will to concentrate on tube hub, into the throttling of dispenser Hole is first compressed and is extended again, made bubble dispersion and fining, the liquid separation pore in each downstream is uniformly flowed into liquid, to reach improvement The purpose of the inhomogeneities of original dispenser.The patent CN203881011U of Yangzhou Jie Xin Denso Air Conditioning Co., Ltd Qian Guoxian " a kind of liquid divider of air-conditioner " can not achieve for traditional dispenser and be taken in the case of refrigerant evenly distributes in original liquid separation Increase restrictor ring in shunting main aperture in device, solve the problems, such as to cause because of gravity, pressure, flow velocity cannot uniform liquid separation disadvantage End.A kind of patent CN205316760U " novel liquid-dividing head " of the double handsome refrigeration accessory Co., Ltd Gao Qingze of Zhuji City by using Regulating valve is set inside main hydraulic pipe to stablize the flow of refrigerant, setting has the baffle of cone-shaped hole in the middle part of main hydraulic pipe And buffering spacer is set between main hydraulic pipe and separating tube, in order to make refrigerant flow velocity having the same, can be realized uniformly Liquid separation has structure simple, shock resistance, the stronger advantage of vibrating effect.Epoch Jia Hua, the special of Yun Bo etc. was thanked to by Science and Technology Ltd. A kind of sharp CN20162828U " dispenser for refrigerant circulation blending machine room special machine " solves refrigerant circulation and with type machine There are liquid refrigerants to distribute non-uniform problem for room special machine, reduces the resistance of liquid refrigerant line.It is aforementioned four to have Although representative patent all realizes evenly distributing for liquid, the heat exchange efficiency of heat exchanger, the type liquid separation are improved Device is in the form of a single, only considered a kind of fluidised form, does not account for gas-liquid mixed fluidised form, the scope of application is restricted.
There is also a kind of distribution structures first isolated gas and evenly distribute liquid again at present, such as: Tianjin University of Commerce a surname Moisten clear patent CN204388443U " a kind of gas phase separate type liquid single phase separation device and refrigeration system " to make in reduction of speed and gravity Under, separate gas-liquid two-phase, single-phase gas is directly entered compressor by the way of bypass after throttling, and liquid is logical It crosses respective separating tube and uniformly enters evaporator, two phase flow distribution is converted to single-phase flow distribution.The double handsome refrigeration of Zhuji City are matched The patent CN205279543U " a kind of uniform liquid-dividing head of refrigeration system convenient to use " of part Co., Ltd Gao Qingze is by adopting One-way check exhaust valve is set inside liquid-dividing head, gas is discharged, then realizes liquid using the mixing spherical cavity that inside adds Body evenly distributes.Above two representative patent is although it is contemplated that the case where Complex Flow Status, but all using by gas The method that body is separated realizes evenly distributing for liquid, and such distribution method can have a kind of hidden danger and to enter evaporation The practical coolant quantity of device is reduced, and is caused evaporator refrigeration effect poor, is influenced system performance.
Existing coolant distributor can only largely realize evenly distributing for liquid refrigerants, not by point of vapor phase refrigerant With taking into account.In heat pump system except in the case of the liquid refrigerant after throttle valve throttling is evenly distributed into evaporator, Enter the high temperature gas-liquid mixed state after evaporator and heat regenerator there is also low temperature gas-liquid mixed state distribution after throttle valve Into the distribution condition of outdoor heat exchanger.If refrigerant two-phase fluid only considers evenly distributing for liquid, due to gravity, Liquid can sink to the lower part of heat exchanger, and gas can be toward top spatial flow, so not into the gas-liquid mixture distribution of heat exchanger Uniformly, the heat exchange efficiency of meeting heat exchanging device produces serious influence, if the flow of heat exchanger distribution is less, will be evaporated quickly, Cause the degree of superheat of outlet higher;If it is more to distribute flow, evaporation not exclusively, causes outlet superheat degree small, or even contain liquid, If its liquid, which enters in compressor, will will cause liquid hit phenomenon damage compressor.Coolant quantity cannot be distributed uniformly, heat exchanger Heat exchange area is not fully utilized, and will affect the performance of air conditioner heat pump system, will also result in the waste of energy.
Therefore, a kind of evenly distributing and provide refrigerant forward flow and reverse flow and can making for refrigerant how is realized Refrigerant into heat exchanger realizes the heat pump system evenly distributed, is a problem to be solved.
Summary of the invention
The purpose of the present invention is to provide a kind of refrigerant distribution pipe for realizing the equally distributed gas-liquid two-phase common type of refrigerant, Use the heat pump system of above-mentioned refrigerant distribution pipe.
The technical solution used in the present invention is:
A kind of refrigerant distribution pipe of gas-liquid two-phase common type, including main pipeline, the main pipeline are equipped with refrigerant inlet, institute The shunt head that main pipeline is equipped with liquid outlet and connect with liquid outlet in the side of refrigerant inlet is stated, the main pipeline is cold The other side of matchmaker's entrance is equipped with several refrigerant exits, extends multiple isocons on shunt head, and refrigerant exit is to divide on main pipeline The branch pipe that branch comes out, each isocon are connected on a corresponding branch pipe, and main pipeline is arranged in this section of refrigerant exit Diameter is gradually reduced, and further away from the position of refrigerant inlet, the internal diameter of main pipeline is smaller.
As an improvement of the above scheme, main pipeline is placed vertically when in use, the initial segment of refrigerant inlet to liquid outlet Lower than the initial segment of refrigerant inlet to refrigerant exit.
As an improvement of the above scheme, the main pipeline is U-shaped.
As an improvement of the above scheme, main pipeline and each refrigerant exit are copper material.
As an improvement of the above scheme, the length of main pipeline is 1000~1600mm, the diameter of refrigerant inlet is 10~ 13mm, shunt head have eight mouthfuls, and the every mouth diameter of shunt head is 4~5mm, and refrigerant exit is arranged eight, and each adjacent two is cold The spacing of matchmaker outlet is 140~160mm, and the length of each refrigerant exit is 40~50mm, diameter is 8~10mm, isocon Caliber is 3~4mm.
A kind of heat pump system including above-mentioned refrigerant distribution pipe, further includes compressor, evaporator, electric expansion valve and condensation Device, compressor, condenser, electric expansion valve, refrigerant distribution pipe, evaporator connect to form circulation loop, if refrigerant distribution pipe Dry refrigerant exit respectively with several fluid communications of evaporator.
Beneficial effects of the present invention:
1. refrigerant distribution pipe is because it has fully considered the refrigerant gas-liquid mixed state come out from throttling set, using first distributing gas Body reallocation liquid finally again by Jing Guo secondary distribution gas and liquid collect and uniform to be sent into each branch of evaporator In.The heat exchange area for taking full advantage of heat exchanger improves the heat exchange efficiency of heat exchanger, improves refrigerating capacity.On the other hand The refrigerant distribution pipe structure is simple, is easily installed.
2. refrigerant distribution pipe is separated the liquids and gases of gas-liquid mixed state refrigerant using gravity, pass through liquid separation Head realizes evenly distributing for liquid refrigerants, then by the caliber setting to main pipeline with the reduction of flow, caliber is also opposite to be subtracted The small gaseous coolant flow velocity having the same not only met into main pipeline, which is able to carry out, to be evenly distributed, but also saves tubing, is saved The investment of equipment is saved.
3. heat pump system evenly distributes the refrigerant realization into evaporator by using above-mentioned refrigerant distribution pipe, improve The heat exchange efficiency of heat exchanger in heat pump system, and then improve the performance of heat pump system.
4. heat pump system by using above-mentioned refrigerant distribution pipe can make refrigerant, either forward flow is also in heat pump It is that reverse flow can realize evenly distributing for refrigerant, can be adapted for Analysis of Heat Pump Drying System, heat pump water heater system, air-conditioning In system, air conditioner condensation heat recovery system, the scope of application is wide, all plays positive effect to the performance of each system.
Detailed description of the invention
The present invention will be further explained below with reference to the attached drawings:
Fig. 1 is the connection schematic diagram of refrigerant distribution pipe;
Fig. 2 is the schematic diagram of refrigerant distribution pipe;
Fig. 3 is the enlarged drawing of shunt head position;
Fig. 4 is the connection schematic diagram of heat pump.
Label 1 to 8 refers both to refrigerant exit, and label 9 to 16 refers both to isocon, 30 shunt heads, 31 refrigerant inlets, 17 compressions Machine, 18 condensers, 19 electric expansion valves, 20 refrigerant distribution pipes, 21 evaporators.
Specific embodiment
Referring to Fig.1~Fig. 4, the present invention are distributed for a kind of refrigerant distribution pipe of gas-liquid two-phase common type, using above-mentioned refrigerant The heat pump of pipe and relevant distribution method.
Refrigerant distribution pipe includes main pipeline, and the main pipeline is equipped with refrigerant inlet 31, and the main pipeline is in refrigerant inlet The shunt head 30 that 31 side is equipped with liquid outlet and connect with liquid outlet, the main pipeline are another refrigerant inlet 31 Side is equipped with several refrigerant exits.The refrigerant state transported according to main pipeline is different, main pipeline can be divided into one section of liquid pipe and One section of main pipeline.Extend multiple isocons on shunt head 30, refrigerant exit is the branch pipe that main pipeline top set comes out, Mei Yigen Isocon is connected on a corresponding branch pipe.This section of internal diameter of main pipeline setting refrigerant exit is gradually reduced, further away from cold The internal diameter of the position of matchmaker's entrance 31, main pipeline is smaller.
Refrigerant enters Gravity Separation gas and liquid after refrigerant inlet 31.Flow when gaseous coolant has just enter into refrigerant inlet 31 The internal diameter of maximum, corresponding pipeline section is also configured as maximum.After gaseous coolant enters main pipeline, the internal diameter of main pipeline is gradually reduced It can guarantee that there is identical flow velocity when gas flows in main pipeline, gaseous coolant may finally be uniformly distributed to each cold Matchmaker outlet.In refrigerant exit position, gaseous coolant and liquid refrigerants flow out simultaneously after re-mixing.It should be noted that at this time The size of refrigerant exit is intended to identical.
It in other embodiments, can be using different tube diameters as long as ensuring that the gaseous coolant flow of refrigerant exit is identical Refrigerant exit, unequal spacing arrangement between even two neighboring refrigerant exit.
Main pipeline is placed vertically when in use, and the initial segment of refrigerant inlet 31 to liquid outlet is lower than refrigerant inlet 31 to cold The initial segment of matchmaker outlet.Main pipeline is only temporarily drawn as horizontality by Fig. 1 and Fig. 2.
Principle based on the technical program is due to gravity, i.e., liquid can deposit and gas can be toward top spatial flow It is dynamic.In traditional separator, they all fail dexterously using this natural law of gravity, and the technical program is using first The method that will collect again after gas and liquid distribution, can evenly distribute gas and liquid, then by the gas after evenly distributing Liquid mixture is sent into heat exchanger, enhances the heat exchange efficiency of heat exchanger, improves refrigeration performance.
In other embodiments, main pipeline is strip straight tube.Preferably, the main pipeline is U-shaped, structure is more stepped up It gathers, existing heat pump circulating system is transformed and is more easier, cost of investment can have been saved.By taking Fig. 1 Fig. 2 as an example, when in use, supervisor Above, the left side of main pipeline is in lower section on the right in road.Liquid coolant is directly split first 30 distribution, and gaseous coolant is first walked upwards It turns back and flows downward again, wherein gas is walked to ensure the stabilization of gas flow rate from top to bottom.
Preferably, main pipeline and each refrigerant exit are copper material.
Preferably, the length of main pipeline is 1000~1600mm, the diameter of refrigerant inlet 31 is 10~13mm, shunt head 30 have eight mouthfuls, and the every mouth diameter of shunt head 30 is 4~5mm, and refrigerant exit is arranged eight, each adjacent two refrigerant exit Spacing is 140~160mm, and the length of each refrigerant exit is 40~50mm, diameter is 8~10mm, the caliber of isocon is 3~ 4mm。
In the present embodiment, the whole length of main pipeline is about 1535mm;The CG segment length of main pipeline is 1059.52mm;It is two neighboring The spacing of refrigerant exit is 150mm;The CD section internal diameter of main pipeline is 9.52mm;The DE section internal diameter of main pipeline is 12.7mm;Supervisor The EG section internal diameter in road is 16.35mm;The FG section internal diameter of main pipeline is 19.5;The diameter of each isocon is 3.8mm;Refrigerant inlet 31 diameter is 12.7mm;The diameter of each refrigerant exit is 9.52mm, length 45mm;Refrigerant inlet 31 arrives G sections of distance For 325mm;The spacing of refrigerant inlet 31 to shunt head 30 is 150mm.
A kind of heat pump using above-mentioned refrigerant distribution pipe 20 further includes compressor 17, condenser 18,19 and of electric expansion valve Evaporator 21.The outlet of compressor 17 is connect with the entrance of condenser 18, the outlet of condenser 18 by electric expansion valve 19 with Refrigerant inlet 31 connects, and the refrigerant exit of last refrigerant distribution pipe 20 is connect with each branch of the inlet tube of evaporator 21, into The refrigerant for entering evaporator 21 returns again in compressor 17, completes heat pump cycle.According to the difference of heat exchanger model, refrigerant exit and The quantity of isocon can change according to actual needs.It is uniform cold due to that can be provided for each flow path of evaporator 21 Matchmaker improves the heat exchange efficiency of evaporator 21, so as to improve the performance of heat pump system
A kind of embodiment is as follows.The high pressure gaseous refrigerant being discharged by compressor 17 carries out condensation by condenser 18 and puts Heat, the liquid refrigerants of high temperature and pressure carries out reducing pressure by regulating flow into electric expansion valve 19 is crossed later, comes out from electric expansion valve 19 low Warm low-pressure gas-liquid mixture enters refrigerant inlet 31, and the separation of gas and liquid, liquid spatial flow to the lower part are realized using gravity Dynamic, the refrigerant of liquid carries out liquid separation by shunt head 30, and the refrigerant of liquid passes through uniform point of 9~isocon of isocon 16 at this time Match.The refrigerant of gas enters the CG section of main pipeline to top spatial flow, and main pipeline CG sections of caliber is recycled to be arranged so that logical The gaseous coolant flow velocity having the same for crossing main pipeline can be evenly distributed to 1~refrigerant exit of refrigerant exit 8.Refrigerant exit It is connected together with the other end of isocon, uniform low-temp low-pressure gas-liquid mixture is sent into each flow path of evaporator 21, It being cooled down in evaporator 21, the low-temp low-pressure gaseous coolant come out from evaporator 21 again returns in the compressor 17, Complete heat pump system circulation.
Certainly, the design creation is not limited to above embodiment, and the combination of the various embodiments described above different characteristic can also To reach good effect.Those skilled in the art can also make equivalent change on the premise of without prejudice to spirit of the invention Shape or replacement, these equivalent variation or replacement are all included in the scope defined by the claims of the present application.

Claims (6)

1. a kind of refrigerant distribution pipe of gas-liquid two-phase common type, it is characterised in that: including main pipeline, the main pipeline is equipped with cold Matchmaker's entrance, the shunt head that the main pipeline is equipped with liquid outlet and connect with liquid outlet in the side of refrigerant inlet are described Main pipeline is equipped with several refrigerant exits in the other side of refrigerant inlet, extends multiple isocons on shunt head, refrigerant exit is The branch pipe that main pipeline top set comes out, each isocon are connected on a corresponding branch pipe, and refrigerant exit is arranged in main pipeline This section of internal diameter be gradually reduced, further away from the position of refrigerant inlet, the internal diameter of main pipeline is smaller.
2. the refrigerant distribution pipe of gas-liquid two-phase common type according to claim 1, it is characterised in that: main pipeline when in use Vertical to place, the initial segment of refrigerant inlet to liquid outlet is lower than refrigerant inlet to the starting point of refrigerant exit.
3. the refrigerant distribution pipe of gas-liquid two-phase common type according to claim 1, it is characterised in that: the main pipeline is U Shape.
4. the refrigerant distribution pipe of gas-liquid two-phase common type according to claim 3, it is characterised in that: main pipeline and each cold Matchmaker outlet is copper material.
5. the refrigerant distribution pipe of gas-liquid two-phase common type according to claim 4, it is characterised in that: the length of main pipeline is 1000~1600mm, the diameter of refrigerant inlet are 10~13mm, and shunt head has eight mouthfuls, the every mouth diameter of shunt head is 4~ 5mm, refrigerant exit are arranged eight, and the spacing of each adjacent two refrigerant exit is 140~160mm, the length of each refrigerant exit It is 8~10mm for 40~50mm, diameter, the caliber of isocon is 3~4mm.
6. a kind of includes the heat pump system of the refrigerant distribution pipe as described in any one of claims 1 to 5, it is characterised in that: also wrap Include compressor, evaporator, electric expansion valve and condenser, compressor, condenser, electric expansion valve, refrigerant distribution pipe, evaporator Connection forms circulation loop, several refrigerant exits of refrigerant distribution pipe respectively with several fluid communications of evaporator.
CN201910444160.8A 2019-05-27 2019-05-27 A kind of the refrigerant distribution pipe and heat pump system of gas-liquid two-phase common type Pending CN110230901A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201910444160.8A CN110230901A (en) 2019-05-27 2019-05-27 A kind of the refrigerant distribution pipe and heat pump system of gas-liquid two-phase common type

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201910444160.8A CN110230901A (en) 2019-05-27 2019-05-27 A kind of the refrigerant distribution pipe and heat pump system of gas-liquid two-phase common type

Publications (1)

Publication Number Publication Date
CN110230901A true CN110230901A (en) 2019-09-13

Family

ID=67861153

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201910444160.8A Pending CN110230901A (en) 2019-05-27 2019-05-27 A kind of the refrigerant distribution pipe and heat pump system of gas-liquid two-phase common type

Country Status (1)

Country Link
CN (1) CN110230901A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111829152A (en) * 2020-07-22 2020-10-27 青岛海尔空调电子有限公司 Refrigerant rectifier tube and air conditioner indoor unit
CN116428776A (en) * 2023-04-12 2023-07-14 沈阳春晖工程有限公司 Control method for balancing flow of expansion valve of evaporative cooling unit

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2006074958A2 (en) * 2005-01-14 2006-07-20 Behr Gmh & Co. Kg Evaporator, in particular for an air-conditioning system of a motor vehicle
CN101788242A (en) * 2009-03-25 2010-07-28 三花丹佛斯(杭州)微通道换热器有限公司 Refrigerant distributor for heat exchanger and heat exchanger
CN102954629A (en) * 2012-11-13 2013-03-06 顺德职业技术学院 Controlled-dryness reinforced heat transfer evaporator
CN103673404A (en) * 2012-08-30 2014-03-26 俞绍明 Micro-channel heat exchanger
JP2015175533A (en) * 2014-03-13 2015-10-05 新晃工業株式会社 Heat exchanger of air conditioner
CN105371533A (en) * 2014-08-14 2016-03-02 Lg电子株式会社 Air conditioner
EP3306234A1 (en) * 2016-10-05 2018-04-11 Mitsubishi Heavy Industries Thermal Systems, Ltd. Evaporator and refrigerant circuit
CN109682119A (en) * 2019-01-28 2019-04-26 天津商业大学 A kind of evaporation coil of the efficient liquid separation function of band

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2006074958A2 (en) * 2005-01-14 2006-07-20 Behr Gmh & Co. Kg Evaporator, in particular for an air-conditioning system of a motor vehicle
CN101788242A (en) * 2009-03-25 2010-07-28 三花丹佛斯(杭州)微通道换热器有限公司 Refrigerant distributor for heat exchanger and heat exchanger
CN103673404A (en) * 2012-08-30 2014-03-26 俞绍明 Micro-channel heat exchanger
CN102954629A (en) * 2012-11-13 2013-03-06 顺德职业技术学院 Controlled-dryness reinforced heat transfer evaporator
JP2015175533A (en) * 2014-03-13 2015-10-05 新晃工業株式会社 Heat exchanger of air conditioner
CN105371533A (en) * 2014-08-14 2016-03-02 Lg电子株式会社 Air conditioner
EP3306234A1 (en) * 2016-10-05 2018-04-11 Mitsubishi Heavy Industries Thermal Systems, Ltd. Evaporator and refrigerant circuit
CN109682119A (en) * 2019-01-28 2019-04-26 天津商业大学 A kind of evaporation coil of the efficient liquid separation function of band

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111829152A (en) * 2020-07-22 2020-10-27 青岛海尔空调电子有限公司 Refrigerant rectifier tube and air conditioner indoor unit
CN116428776A (en) * 2023-04-12 2023-07-14 沈阳春晖工程有限公司 Control method for balancing flow of expansion valve of evaporative cooling unit
CN116428776B (en) * 2023-04-12 2023-10-13 沈阳春晖工程有限公司 Control method for balancing flow of expansion valve of evaporative cooling unit

Similar Documents

Publication Publication Date Title
CN217357661U (en) Heat exchanger and air conditioner
CN101644508B (en) Multi-connected air conditioner multifunctional system for cold water and hot water
CN102384586B (en) Parallel-connection type mutually-helped defrosting water heater of air source heat pump
CN109163471B (en) Energy-saving comfortable type split heat pump air conditioning system and control method thereof
CN213841417U (en) Multi-split system
EP3199891B1 (en) Refrigeration cycle device
CN110425722A (en) Heat exchanger assembly and air conditioner
CN110173931A (en) Can supply cold wind, hot wind, hot water, cold water system
CN105066519B (en) A kind of dry evaporator and the refrigeration system with the dry evaporator
CN201666691U (en) Cooling cycle system and air conditioner equipped with vapor-liquid separator
CN112361669A (en) Multi-split system and control method thereof
CN110230901A (en) A kind of the refrigerant distribution pipe and heat pump system of gas-liquid two-phase common type
CN208720513U (en) One kind can single twin-stage switching cascade type heat pump heating unit
EP3734199B1 (en) Air-conditioner system
CN209484880U (en) One kind is risen again formula heat pump system
CN203908147U (en) Defrosting device and heat pump
CN107917547A (en) The coolant circulating device of heat pump air-conditioner/water heater
CN208846601U (en) A kind of cold water heat pump unit and air-conditioning equipment
CN209165824U (en) A kind of air-conditioning defrosting system and air-conditioning system
CN106440459A (en) Auxiliary heating enthalpy-increasing heat pump system and working mode thereof
CN209445519U (en) A kind of fresh air dehumidifying system
CN204987568U (en) Dry type evaporator and have this dry type evaporator's refrigerating system
CN112303905A (en) Multi-split system
CN106288509A (en) A kind of plate evaporating condensation type water chiller-heater unit
CN205351516U (en) Changes in temperature type air conditioning system and single cold mould air conditioning system

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
RJ01 Rejection of invention patent application after publication
RJ01 Rejection of invention patent application after publication

Application publication date: 20190913