CN201954856U - Cold medium flow direction converter and flow control device - Google Patents

Cold medium flow direction converter and flow control device Download PDF

Info

Publication number
CN201954856U
CN201954856U CN2010206617619U CN201020661761U CN201954856U CN 201954856 U CN201954856 U CN 201954856U CN 2010206617619 U CN2010206617619 U CN 2010206617619U CN 201020661761 U CN201020661761 U CN 201020661761U CN 201954856 U CN201954856 U CN 201954856U
Authority
CN
China
Prior art keywords
expansion valve
electric expansion
muffler
control device
air 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.)
Expired - Fee Related
Application number
CN2010206617619U
Other languages
Chinese (zh)
Inventor
刘红斌
熊美兵
林铖志
马熙华
苏文涛
孙先金
冯明坤
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.)
Chongqing Midea General Refrigeration Equipment Co Ltd
Original Assignee
Chongqing Midea General Refrigeration Equipment Co Ltd
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 Chongqing Midea General Refrigeration Equipment Co Ltd filed Critical Chongqing Midea General Refrigeration Equipment Co Ltd
Priority to CN2010206617619U priority Critical patent/CN201954856U/en
Application granted granted Critical
Publication of CN201954856U publication Critical patent/CN201954856U/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Images

Classifications

    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02BCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B30/00Energy efficient heating, ventilation or air conditioning [HVAC]
    • Y02B30/70Efficient control or regulation technologies, e.g. for control of refrigerant flow, motor or heating

Landscapes

  • Details Of Valves (AREA)
  • Compression-Type Refrigeration Machines With Reversible Cycles (AREA)

Abstract

The utility model provides a cold medium flow direction converter and flow control device, comprising a low-voltage air pipe, a high-voltage air pipe, an indoor machine connecting air pipe, a first electronic expansion valve, a third electronic expansion valve, a capillary pipe, a first silencer, a second silencer, and a third silencer; one end of the first electronic expansion valve is connected with the low-voltage air pipe via the first silencer, the other end of the first electronic expansion valve is connected with the indoor machine connecting air pipe via the third silencer; one end of the third electronic expansion valve in parallel with the capillary pipe is connected with the high-voltage air pipe via the second silencer, the other end of the third electronic expansion valve in parallel with the capillary pipe is connected with the indoor machine connecting air pipe via the third silencer. Connecting ends of the first electronic expansion valve, the third electronic expansion valve, the capillary pipe, the first silencer, the second silencer, the third silencer, the low-voltage air pipe, the high-voltage air pipe, and the indoor machine connecting air pipe are respectively disposed in a housing. The cold medium flow direction converter and flow control device is characterized by flexible operation and low working noise.

Description

Refrigerant flows to conversion and volume control device
Technical field
The utility model relates to a kind of refrigerant and flows to conversion and volume control device.
Background technology
The refrigerant flow direction converting is that three-pipe heating reclaims requisite device in the multi-online air-conditioning system, can realize freely switching of the refrigerant flow direction by this device, make whole air-conditioning system can satisfy the demand of freezing and heating simultaneously, improve the service efficiency of air-conditioning greatly, and energy savings.
But, traditional refrigerant flow direction converting generally adopts cross valve or triple valve, a kind of refrigerant flow direction converting was disclosed on November 17th, 2010 as Chinese patent literature CN201637206U, comprise cross valve, first port of cross valve communicates with high-pressure air pipe, second port of cross valve is connected tracheae with indoor set and communicates, the 3rd port of cross valve communicates with the low pressure tracheae, the refrigerant flow direction converting also comprises first muffler, and second port that first muffler is serially connected in cross valve is connected between the tracheae with indoor set.Flow in the handoff procedure at refrigerant, the cross valve in this refrigerant flow direction converting can produce very big noise when commutation, have a strong impact on the practical effect of air-conditioning.Yet air-conditioning system is to provide comfortable life, the equipment of working environment to people, if noise will have influence on promoting the use of of this air-conditioning too greatly.Therefore, can be used widely in order to make three-pipe heating reclaim multi-online air-conditioning system, the Research of Noise Reduction of refrigerant flow direction converting is absolutely necessary.
The assignment of traffic that often needs to adjust refrigerant in addition in multi-joint machine system is reaching the optimal allocation of system's refrigerant, and general refrigerant flow direction converting can only be realized the flow direction conversion of refrigerant and can not reach cold medium flux distributing the function of regulating.
The utility model content
The purpose of this utility model aims to provide a kind of simple and reasonable, flexible operation, work noise refrigerant low, applied widely flows to conversion and volume control device, to overcome weak point of the prior art.
A kind of refrigerant by this purpose design flows to conversion and volume control device, comprise that the low pressure tracheae is connected tracheae with high-pressure air pipe and indoor set, its architectural feature is also to comprise first electric expansion valve, the 3rd electric expansion valve, capillary, first muffler, second muffler and the 3rd muffler;
One end of first electric expansion valve is connected with the low pressure tracheae after through first muffler, and the other end of first electric expansion valve is connected tracheae with indoor set after through the 3rd muffler and connects;
End behind the 3rd electric expansion valve and the capillary paralleling is connected with high-pressure air pipe after through second muffler, and the other end behind the 3rd electric expansion valve and the capillary paralleling is connected tracheae with indoor set after through the 3rd muffler and connects.
Described first electric expansion valve, the 3rd electric expansion valve, capillary, first muffler, second muffler and the 3rd muffler and low pressure tracheae, high-pressure air pipe and indoor set are connected tracheae link separately and are arranged in the housing.
Also comprise the liquid pipe, the liquid pipe runs through housing.
Be full of the sound-proof foam after the foaming in the described housing.
Be affixed with Sound-proof material on the inwall of described housing.
Also comprise second electric expansion valve and quadrielectron expansion valve, second electric expansion valve is in parallel with first electric expansion valve, and quadrielectron expansion valve is in parallel with the 3rd electric expansion valve.
Also comprise first one-way valve and second one-way valve, first one-way valve is in parallel with first electric expansion valve, and second one-way valve is in parallel with the 3rd electric expansion valve.
The utility model flows at traditional refrigerant on the basis of switching device shifter and substitutes cross valve with electric expansion valve, and sets up sound-proof foam and Sound-proof material, thereby reaches the effect that reduces noise; Freely change of being used for that the air-conditioning system running can carry out that refrigerant flows to, realize air-conditioning system refrigeration and heat-production functions simultaneously, in addition the adjusting of the cold medium flux of the aperture realization indoor set by regulating electric expansion valve.
The utility model is used for improving traditional refrigerant flow direction converting simultaneously by three kinds of measures and flows to noise problem and the assignment of traffic adjusting that produces when switching at refrigerant.At first be to use muffler to reduce the noise that produces when refrigerant flows in pipeline, next is to use sound-proof foam and the Sound-proof material pipe-line system environmental sealing with whole device, further reduce the noise that produces when refrigerant flows in pipeline, the 3rd, adopted electric expansion valve, realize the cold medium flux adjusting by regulating electronic expansion valve opening, also avoided the traditional high noisy of cross valve when commutation simultaneously.
The distribution that the utility model can come the regulating system refrigerant by the aperture of regulating electric expansion valve, make air-conditioning system reach the optimal allocation of refrigerant, effectively improve traditional refrigerant conversion device and can only realize that refrigerant flows to conversion and can not realize the problem that cold medium flux is controlled.
The utility model can effectively improve traditional refrigerant conversion device and flow to the noise problem that produces when switching at refrigerant, make three-pipe heating and reclaiming air-conditioning system more comfortable in practical process, also making three-pipe heating reclaim the air-conditioning unit has the market demand more widely.
The utlity model has simple and reasonable, flexible operation, low, the advantage of wide range of application of work noise.
Description of drawings
Fig. 1 is the utility model first example structure schematic diagram.
Fig. 2 is the second example structure schematic diagram.
Fig. 3 is the 3rd example structure schematic diagram.
Among the figure: 1 is first electric expansion valve, and 2 is second electric expansion valve, and 3 is the 3rd electric expansion valve, 4 is quadrielectron expansion valve, and 5 is capillary, and 6 is first muffler, 7 is second muffler, and 9 is the 3rd muffler, and 10 is the liquid pipe, 11 is the low pressure tracheae, and 12 is high-pressure air pipe, and 13 are indoor set connection tracheae, 20 is housing, 22 is first one-way valve, and 24 is second one-way valve
The specific embodiment
Below in conjunction with drawings and Examples the utility model is further described.
First embodiment
Referring to Fig. 1, this refrigerant flows to conversion and volume control device, comprises that low pressure tracheae 11 is connected tracheae 13, first electric expansion valve 1, the 3rd electric expansion valve 3, capillary 5, first muffler 6, second muffler 7 and the 3rd muffler 9 with high-pressure air pipe 12 and indoor set.
One end of first electric expansion valve 1 is connected with low pressure tracheae 11 through first muffler, 6 backs, and the other end of first electric expansion valve 1 is connected tracheae 13 through the 3rd muffler 9 backs and connects with indoor set; End after the 3rd electric expansion valve 3 and capillary 5 parallel connections is connected with high-pressure air pipe 12 through second muffler, 7 backs, and the other end after the 3rd electric expansion valve 3 and capillary 5 parallel connections is connected tracheaes 13 connections through the 3rd muffler 9 is back with indoor set.
First electric expansion valve 1, the 3rd electric expansion valve 3, capillary 5, first muffler 6, second muffler 7 and the 3rd muffler 9 and low pressure tracheae 11, high-pressure air pipe 12 are connected tracheae 13 link separately and are arranged in the housing 20 with indoor set.
Above-mentioned refrigerant flows to conversion and also comprises liquid pipe 10 with volume control device, and liquid pipe 10 runs through housing 20.Housing 20 in the present embodiment can adopt sheet metal component or working of plastics to make.
Be full of the sound-proof foam after the foaming in the housing 20.Sound-proof foam is be connected tracheae 13 foaming parcels with the 3rd muffler 9, low pressure tracheae 11, high-pressure air pipe 12, liquid pipe 10, indoor set at first electric expansion valve 1, the 3rd electric expansion valve 3, capillary 5, first muffler 6, second muffler 7.
In order further to improve soundproof effect, on the inwall of housing 20, be affixed with Sound-proof material.
Refrigerant in the present embodiment flows to conversion and volume control device and is connected tracheae by liquid pipe, low pressure tracheae, high-pressure air pipe, indoor set and can couples together complete air-conditioning system of composition with indoor set, off-premises station.Off-premises station comprises compressor.
When refrigerant flows to after conversion and volume control device and indoor set and off-premises station connect, open first electric expansion valve 1 and close the 3rd electric expansion valve 3, realize that low pressure tracheae 11 is connected tracheae 13 conductings connection with indoor set, indoor set is in refrigerating state.Open the 3rd electric expansion valve 3 and close first electric expansion valve 1 and realize that high-pressure air pipe 7 is connected tracheae 13 conductings connection with indoor set, indoor set is in the state of heating.By regulating the aperture of first electric expansion valve 1 and the 3rd electric expansion valve 3, can realize the adjusting of the cold medium flux of air-conditioning system.
Second embodiment
Referring to Fig. 2, refrigerant in the present embodiment flows to conversion and the technical scheme of volume control device in comprising first embodiment, also comprise second electric expansion valve 2 and the quadrielectron expansion valve 4, second electric expansion valve 2 is in parallel with first electric expansion valve 1, and quadrielectron expansion valve 4 is in parallel with the 3rd electric expansion valve 3.
After refrigerant flows to conversion and volume control device and indoor set and off-premises station and connects, open first electric expansion valve 1 and second electric expansion valve 2, and close the 3rd electric expansion valve 3 and quadrielectron expansion valve 4, realize that low pressure tracheae 11 is connected tracheae 13 conductings and connects with indoor set, indoor set is in refrigerating state.Open the 3rd electric expansion valve 3 and quadrielectron expansion valve 4 and close first electric expansion valve 1 and second electric expansion valve 2, realize that high-pressure air pipe 7 is connected tracheae 13 conductings and connects with indoor set, indoor set is in the state of heating.Realize the adjusting of system's cold medium flux by the aperture of regulating first electric expansion valve 1 and the 3rd electric expansion valve 3.
All the other are not stated part and see first embodiment, no longer repeat.
The 3rd embodiment
Referring to Fig. 3, refrigerant in the present embodiment flows to conversion and the technical scheme of volume control device in comprising first embodiment, also comprise first one-way valve 22 and second one-way valve 24, first one-way valve 22 is in parallel with first electric expansion valve 1, and second one-way valve 24 is in parallel with the 3rd electric expansion valve 3.
After refrigerant flows to conversion and volume control device and indoor set and off-premises station and connects, open first electric expansion valve 1 and the first single-pass magnetic valve 22 and close the 3rd electric expansion valve 3 and the second single-pass magnetic valve 24, realize that low pressure tracheae 11 is connected tracheae 13 conductings and connects with indoor set, indoor set is in refrigerating state.Open the 3rd electric expansion valve 3 and the second single-pass magnetic valve 24 and close first electric expansion valve 1 and realize that with the first single-pass magnetic valve 22 high-pressure air pipes 7 are connected tracheae 13 conductings connection with indoor set, indoor set is in the state of heating.Realize the adjusting of system's cold medium flux by the aperture of regulating first electric expansion valve 1 and the 3rd electric expansion valve 3.
All the other are not stated part and see first embodiment, no longer repeat.

Claims (7)

1. a refrigerant flows to conversion and volume control device, comprise that low pressure tracheae (11) is connected tracheae (13) with high-pressure air pipe (12) and indoor set, is characterized in that also comprising first electric expansion valve (1), the 3rd electric expansion valve (3), capillary (5), first muffler (6), second muffler (7) and the 3rd muffler (9);
One end of first electric expansion valve (1) is connected with low pressure tracheae (11) through first muffler (6) back, and the other end of first electric expansion valve (1) is connected tracheae (13) through the 3rd muffler (9) back and connects with indoor set;
End after the 3rd electric expansion valve (3) and capillary (5) parallel connection is connected with high-pressure air pipe (12) through second muffler (7) back, and the other end after the 3rd electric expansion valve (3) and capillary (5) parallel connection is connected tracheae (13) connection through the 3rd muffler (9) is back with indoor set.
2. refrigerant according to claim 1 flows to conversion and volume control device, it is characterized in that described first electric expansion valve (1), the 3rd electric expansion valve (3), capillary (5), first muffler (6), second muffler (7) and the 3rd muffler (9) and low pressure tracheae (11), high-pressure air pipe (12) are connected tracheae (13) link separately and are arranged in the housing (20) with indoor set.
3. refrigerant according to claim 2 flows to conversion and volume control device, it is characterized in that also comprising liquid pipe (10), and liquid pipe (10) runs through housing (20).
4. refrigerant according to claim 3 flows to conversion and volume control device, it is characterized in that being full of in the described housing (20) sound-proof foam after the foaming.
5. refrigerant according to claim 4 flows to conversion and volume control device, it is characterized in that being affixed with Sound-proof material on the inwall of described housing (20).
6. flow to conversion and volume control device according to the arbitrary described refrigerant of claim 1 to 5, it is characterized in that also comprising second electric expansion valve (2) and quadrielectron expansion valve (4), second electric expansion valve (2) is in parallel with first electric expansion valve (1), and quadrielectron expansion valve (4) is in parallel with the 3rd electric expansion valve (3).
7. flow to conversion and volume control device according to the arbitrary described refrigerant of claim 1 to 5, it is characterized in that also comprising first one-way valve (22) and second one-way valve (24), first one-way valve (22) is in parallel with first electric expansion valve (1), and second one-way valve (24) is in parallel with the 3rd electric expansion valve (3).
CN2010206617619U 2010-12-15 2010-12-15 Cold medium flow direction converter and flow control device Expired - Fee Related CN201954856U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN2010206617619U CN201954856U (en) 2010-12-15 2010-12-15 Cold medium flow direction converter and flow control device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN2010206617619U CN201954856U (en) 2010-12-15 2010-12-15 Cold medium flow direction converter and flow control device

Publications (1)

Publication Number Publication Date
CN201954856U true CN201954856U (en) 2011-08-31

Family

ID=44498966

Family Applications (1)

Application Number Title Priority Date Filing Date
CN2010206617619U Expired - Fee Related CN201954856U (en) 2010-12-15 2010-12-15 Cold medium flow direction converter and flow control device

Country Status (1)

Country Link
CN (1) CN201954856U (en)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103363737A (en) * 2013-07-30 2013-10-23 广东志高暖通设备股份有限公司 Air conditioner and air conditioner throttling element
CN103925689A (en) * 2014-03-20 2014-07-16 成都丽元电器有限公司 Silencing filter
CN104165483A (en) * 2014-07-23 2014-11-26 珠海格力电器科技有限公司 Expansion valve throttling structure and heat pump system containing same
CN107477824A (en) * 2017-09-11 2017-12-15 珠海格力电器股份有限公司 Mode converter, heat-reclamation multi-compressors air-conditioning system and control method
CN109154458A (en) * 2017-04-27 2019-01-04 日立江森自控空调有限公司 Refrigerant flow path switch unit and air conditioner

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103363737A (en) * 2013-07-30 2013-10-23 广东志高暖通设备股份有限公司 Air conditioner and air conditioner throttling element
CN103925689A (en) * 2014-03-20 2014-07-16 成都丽元电器有限公司 Silencing filter
CN104165483A (en) * 2014-07-23 2014-11-26 珠海格力电器科技有限公司 Expansion valve throttling structure and heat pump system containing same
CN109154458A (en) * 2017-04-27 2019-01-04 日立江森自控空调有限公司 Refrigerant flow path switch unit and air conditioner
CN109154458B (en) * 2017-04-27 2021-01-08 日立江森自控空调有限公司 Refrigerant flow path switching unit and air conditioner
CN107477824A (en) * 2017-09-11 2017-12-15 珠海格力电器股份有限公司 Mode converter, heat-reclamation multi-compressors air-conditioning system and control method
WO2019047765A1 (en) * 2017-09-11 2019-03-14 格力电器(武汉)有限公司 Mode switcher, heat recovery multi-split air conditioning system and control method
CN107477824B (en) * 2017-09-11 2020-02-07 珠海格力电器股份有限公司 Mode converter, heat recovery multi-split air conditioning system and control method

Similar Documents

Publication Publication Date Title
CN201954856U (en) Cold medium flow direction converter and flow control device
CN103411353A (en) Air-source low-temperature twin-stage compression heat pump air conditioner
CN101358783A (en) Heat pump sets for bidirectional air supply by flash evaporator
CN103912929A (en) Temperature control system
CN103912928A (en) Temperature control system
CN201582948U (en) Air conditioner
CN201421218Y (en) Air conditioning unit for rail transit trains
CN203464542U (en) Air source low-temperature two-stage compression heat pump air conditioner
CN201637206U (en) Refrigerant flow conversion device
CN203797826U (en) Temperature control system
CN201340142Y (en) Heat pump unit using flash evaporator to supplement air
CN203797827U (en) Temperature control system
CN201748698U (en) Air conditioning system
CN209744763U (en) heat pump set and air conditioning system with same
CN201706777U (en) Heat recovery multi-connection air conditioning unit
CN201463141U (en) Ground temperature energy-saving air conditioner
CN201983518U (en) Solar heat pump and dynamic heat pipe compound system
CN201311019Y (en) Ice-storage air-conditioning device for aedicule
CN203797828U (en) Temperature control system
CN201497125U (en) Air conditioner condensed water recycling and reutilization device and air conditioner refrigeration system
CN201110677Y (en) Air conditioner coolant flow direction converting current divider
CN203518010U (en) High-static-pressure duct type air conditioner adopting variable capacity fuzzy control
CN211823249U (en) One drags two air source hot-blast units
CN201983394U (en) Air-conditioner waste heat recovery device
CN204757211U (en) Air conditioner all -in -one system

Legal Events

Date Code Title Description
C14 Grant of patent or utility model
GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20110831

Termination date: 20181215