CN102419036A - Three-way flow direction conversion device for refrigerant - Google Patents
Three-way flow direction conversion device for refrigerant Download PDFInfo
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- CN102419036A CN102419036A CN2011103550230A CN201110355023A CN102419036A CN 102419036 A CN102419036 A CN 102419036A CN 2011103550230 A CN2011103550230 A CN 2011103550230A CN 201110355023 A CN201110355023 A CN 201110355023A CN 102419036 A CN102419036 A CN 102419036A
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Abstract
The invention discloses a three-way flow direction conversion device for a refrigerant. The device comprises a compression mechanism, a first four-way valve, a second four-way valve, a first one-way valve and a second one-way valve, wherein a low-pressure junction of the first four-way valve is connected with a low-pressure junction of the second four-way valve through a 65th pipeline; a high-pressure junction of the first four-way valve is connected with the 65th pipeline between the low-pressure junction of the first four-way valve and the low-pressure junction of the second four-way valve sequentially through a 60th pipeline, the outlet end of the compression mechanism, the inlet end of the compression mechanism and a 63rd pipeline; and a high-pressure junction of the second four-way valve is connected with the 60th pipeline between the outlet end of the compression mechanism and the high-pressure junction of the first four-way valve through a 59th pipeline. The device has a simple structure and low cost, works realizably and can realize a plurality of conversion functions.
Description
Technical field
The present invention relates to a kind of cold-producing medium threeway flow direction converting, belong to refrigeration technology field.
Background technology
Raising along with expanding economy and people's living standard; Operation of air conditioning systems with multiple functions such as refrigeration, heating and domestic hot-waters is more and more general in the use of industry and civil area; For such operation of air conditioning systems, owing in the whole year operation process, realize multiple function; Therefore; Its employed refrigerant flow direction converting is one of principal element that influences its job stability and performance, but present employed refrigerant flow direction converting ubiquity defectives such as can realizing function is few, understable, the complex structure of work, and being influences one of major obstacle that the multi-functional air conditioner refrigeration plant applies at present.
Summary of the invention
The purpose of this invention is to provide a kind of working stability, simple in structure, the cold-producing medium threeway flow direction converting that can realize more translation functions.
In order to overcome the problem that above-mentioned technology exists; The technical scheme of technical solution problem of the present invention is: a kind of cold-producing medium threeway flow direction converting; Comprise compressing mechanism (1), first cross valve (70), it is characterized in that: this cold-producing medium threeway flow direction converting also comprises second cross valve (80), first check valve (21) and second check valve (22); The low pressure node (73) of said first cross valve (70) links to each other with the low pressure node (83) of said second cross valve (80) through the 65 pipeline (65); The high pressure node (71) of said first cross valve (70) the 65 pipeline (65) between the low pressure node (83) of the low pressure node (73) through the 60 pipeline (60), compressing mechanism (1) port of export, compressing mechanism (1) arrival end, the 63 pipeline (63) and said first cross valve (70) and second cross valve (80) successively links to each other; The high pressure node (81) of said second cross valve (80) links to each other through the 60 pipeline (60) between the high pressure node (71) of the 59 pipeline (59) and compressing mechanism (1) port of export and first cross valve (70); The common points (82) of said second cross valve (80) links to each other with the common points (72) of first cross valve (70) through the 66 pipeline (66), second check valve (22) arrival end, second check valve (22) port of export, first check valve (21) port of export, first check valve (21) arrival end, the 61 pipeline (61) successively; Pipeline between said first check valve (21) port of export and second check valve (22) port of export links to each other with the 51 pipeline (51); The node (74) of often opening of said first cross valve (70) links to each other with the 64 pipeline (64), and the node (84) of often opening of said second cross valve (80) links to each other with the 67 pipeline (67).
The present invention compared with prior art, its beneficial effect is:
1. in running, can realize more translation functions as required;
2. work is more stable, reliable;
3. simple in structure, with low cost;
4. the present invention is applicable to industry and civil area, has the operation of air conditioning systems of multiple function, is specially adapted to have refrigeration, the operation of air conditioning systems of heating and productive life hot water function.
Description of drawings
Fig. 1 is that cold-producing medium three-way flow of the present invention is to the conversion device structure sketch map;
Fig. 2 is the operation of air conditioning systems structural representation that embodiment 1 uses cold-producing medium threeway flow direction converting;
Fig. 3 is the operation of air conditioning systems structural representation that embodiment 2 uses cold-producing medium threeway flow direction converting;
Fig. 4 is the operation of air conditioning systems structural representation that embodiment 3 uses cold-producing medium threeway flow direction converting.
The specific embodiment
Below in conjunction with accompanying drawing content of the present invention is done further explain.
Shown in Figure 1ly be the structural representation of cold-producing medium threeway flow direction converting 100 of the present invention, whole device comprises following part: compressing mechanism 1, first cross valve 70, second cross valve 80, first check valve 21 and second check valve 22.The connected mode of whole cold-producing medium threeway flow direction converting 100 is:
The low pressure node 73 of first cross valve 70 links to each other with the low pressure node 83 of second cross valve 80 through the 65 pipeline 65; The high pressure node 71 of first cross valve 70 the 65 pipeline 65 between the low pressure node 83 of the low pressure node 73 through the 60 pipeline 60, compressing mechanism 1 port of export, compressing mechanism 1 arrival end, the 63 pipeline 63 and said first cross valve 70 and second cross valve 80 successively links to each other; The high pressure node 81 of said second cross valve 80 links to each other through the 60 pipeline 60 between the high pressure node 71 of the 59 pipeline 59 and compressing mechanism 1 port of export and first cross valve 70; The common points 82 of said second cross valve 80 links to each other with the common points 72 of first cross valve 70 through the 66 pipeline 66, second check valve, 22 arrival ends, second check valve, 22 ports of export, first check valve, 21 ports of export, first check valve, 21 arrival ends, the 61 pipeline 61 successively; Pipeline between said first check valve, 21 ports of export and second check valve, 22 ports of export links to each other with the 51 pipeline 51; The node 74 of often opening of said first cross valve 70 links to each other with the 64 pipeline 64, and the node 84 of often opening of said second cross valve 80 links to each other with the 67 pipeline 67.
In the present invention's cold-producing medium threeway flow direction converting 100 shown in Figure 1, any throttle mechanism that also can adopt magnetic valve, have turn-off function in first check valve 21, second check valve 22 (for example: electric expansion valve) or have in the flow control device of turn-off function any one and substitute.
In the present invention's cold-producing medium threeway flow direction converting 100 shown in Figure 1; Compressing mechanism 1 is except can adopting the single stage compress of being made up of at least one compressor; Also can adopt twin-stage compression shown in Fig. 1, that form by at least one low pressure compressor 1-1 and at least one high pressure compressor 1-2; At this moment; Low pressure compressor 1-1 arrival end links to each other with the 65 pipeline 65 through the 63 pipeline 63; The low pressure compressor 1-1 port of export through middle gas supplementing opening A, high pressure compressor 1-2 arrival end, the high pressure compressor 1-2 port of export, links to each other with the 59 pipeline 59 with the 60 pipeline 60 successively, can certainly adopt the single machine two-stage compress mode of being made up of at least one compressor.
Any one or two whiles among the above low pressure compressor 1-1, the high pressure compressor 1-2, can adopt in the following compressor any one: screw compressor, helical-lobe compressor, rolling rotor compressor, sliding-vane compressor, rotary blade type compressor, centrifugal compressor, digital scroll compressor; Any one or two whiles among low pressure compressor 1-1, the high pressure compressor 1-2, also can be variable conpacitance compressor (for example: frequency-changeable compressor, digital scroll compressor), or constant speed compressor.
In the present invention's cold-producing medium threeway flow direction converting 100 shown in Figure 1; When single stage compress that compressing mechanism 1 is made up of at least one compressor; The connected mode of compressing mechanism 1 in system is: said suction port of compressor end links to each other with the 65 pipeline 65 through the 63 pipeline 63, and said compressor outlet links to each other with the 59 pipeline 59 with the 60 pipeline 60.At this moment, compressing mechanism 1 can adopt any one in the following compressor: screw compressor, helical-lobe compressor, rolling rotor compressor, sliding-vane compressor, rotary blade type compressor, centrifugal compressor, digital scroll compressor; Compressing mechanism 1 also can be variable conpacitance compressor (for example: frequency-changeable compressor, digital scroll compressor), or constant speed compressor; The compressor bank that compressing mechanism 1 can also be made up of at least one variable conpacitance compressor, or the compressor bank of forming by at least one constant speed compressor; In addition, compressing mechanism 1 also can be at least one variable conpacitance compressor and at least one the compressor bank that constant speed compressor is formed.
In the present invention's cold-producing medium threeway flow direction converting 100 shown in Figure 1, described all pipelines all are copper pipes.
Through in cold-producing medium threeway flow direction converting 100 shown in Figure 1; Increase an oil eliminator 90; Can do further to improve to cold-producing medium threeway flow direction converting 100; At this moment, the connected mode of oil eliminator 90 in system is: oil eliminator 90 arrival ends link to each other with compressing mechanism 1 port of export, and oil eliminator 90 ports of export link to each other with the 59 pipeline 59 with the 60 pipeline 60.During work, the effect of oil eliminator 90 is oil to be carried out in the exhaust of compressing mechanism 1 separate.
Through in cold-producing medium threeway flow direction converting 100 shown in Figure 1; Increase a gas-liquid separator 91; Can do further improvement; At this moment, the connected mode of gas-liquid separator 91 in system is: gas-liquid separator 91 ports of export link to each other with compressing mechanism 1 arrival end, and gas-liquid separator 91 arrival ends link to each other with the 65 pipeline 65 through the 63 pipeline 63.During work, the effect of gas-liquid separator 91 is separate compressed mechanism 1 refrigerant liquids in air-breathing, avoids producing liquid hammer.
The following stated content is three embodiment that the present invention's cold-producing medium threeway flow direction converting 100 shown in Figure 1 is used in the operation of air conditioning systems with refrigeration, heating, productive life hot water function.
Embodiment 1
As shown in Figure 2, present embodiment is a kind of operation of air conditioning systems of using cold-producing medium threeway flow direction converting 100, and this operation of air conditioning systems is used for having the whole year refrigeration, heating and hot water demand's occasion.Entire equipment comprises following part: cold-producing medium threeway flow direction converting of the present invention 100, first throttle mechanism 4, second throttle mechanism 5, the 3rd throttle mechanism 7, first heat exchanger 3, second heat exchanger 6, the 3rd heat exchanger 8; First throttle mechanism 4, second throttle mechanism 5, the 3rd throttle mechanism 7 all are electric expansion valve.
The connected mode of whole operation of air conditioning systems is: first heat exchanger, 3 one ends link to each other with the 67 pipeline 67 of described cold-producing medium threeway flow direction converting 100; First heat exchanger, 3 other ends link to each other with the 64 pipeline 64 of described cold-producing medium threeway flow direction converting 100 through second throttle mechanism the 5, the 58 pipeline the 58, the 57 pipeline 57, first throttle mechanism 4, second heat exchanger 6 successively; One end of the 3rd heat exchanger 8 links to each other with the 51 pipeline 51 of described cold-producing medium threeway flow direction converting 100, and the other end of the 3rd heat exchanger 8 links to each other with pipeline between the first throttle mechanism 4 and second throttle mechanism 5 through the 3rd throttle mechanism the 7, the 52 pipeline 52 successively.
During work, first heat exchanger 3 is user side heat exchangers, and be user refrigeration as evaporimeter summer, and be user heating as condenser winter; Second heat exchanger 6 is heat source side heat exchangers, both can be used as condenser, in environment, distributes the condensation heat that refrigeration produces, and also can be used as evaporimeter, from environment, absorbs heat, is user's heating or production hot water; The 3rd heat exchanger 8 is hot-water heaters, and produce hot water for the user whole year.This operation of air conditioning systems can realize multiple function, and the workflow under each function is described below respectively.
(1) separate refrigeration
Under this function, the condensation heat that refrigeration is produced all enters environment (outdoor air or cooling water or soil etc.) through second heat exchanger 6, and first heat exchanger 3 is user's cooling, and the 3rd heat exchanger 8 is not worked.During work, first throttle mechanism 4 standard-sized sheets, second throttle mechanism, 5 operate as normal, the 3rd throttle mechanism 7 cuts out.
Its workflow is: after cold-producing medium is discharged from compressing mechanism 1 port of export; Successively through the 60 pipeline 60, first cross valve, 70 high pressure nodes 71, first cross valve 70 often open node the 74, the 64 pipeline 64, second heat exchanger 6, first throttle mechanism the 4, the 57 pipeline the 57, the 58 pipeline 58, second throttle mechanism 5, first heat exchanger the 3, the 67 pipeline 67, second cross valve 80 is often opened node 84, second cross valve, 80 low pressure nodes the 83, the 65 pipeline the 65, the 63 pipeline 63; Get back to compressing mechanism 1 arrival end; Get into compressing mechanism 1 and be compressed, accomplish once circulation.
(2) hot water is produced in the double full recuperation of heat of refrigeration
Under this function, whole condensation heat that the 3rd heat exchanger 8 utilizes refrigeration to be produced are produced hot water; First heat exchanger 3 is user's cooling; Second heat exchanger 6 is not worked.During work, first throttle mechanism 4 closes, second throttle mechanism, 5 operate as normal, the 3rd throttle mechanism 7 standard-sized sheets.
Its workflow is: cold-producing medium gets into the 60 pipeline 60 and is divided into two-way after discharging from compressing mechanism 1 port of export; The first via through first cross valve, 70 high pressure nodes 71, first cross valve, 70 common points the 72, the 61 pipeline 61, first check valve 21, gets into the 51 pipeline 51 successively; Another road through the 59 pipeline 59, second cross valve, 80 high pressure nodes 81, second cross valve, 80 common points the 82, the 66 pipeline 66, second check valve 22, also gets into the 51 pipeline 51 successively; Two-way is after the 51 pipeline 51 mixes; Often open node 84, second cross valve, 80 low pressure nodes the 83, the 65 pipeline the 65, the 63 pipeline 63 through the 3rd heat exchanger 8, the 3rd throttle mechanism the 7, the 52 pipeline the 52, the 58 pipeline 58, second throttle mechanism 5, first heat exchanger the 3, the 67 pipeline 67, second cross valve 80 successively; Get back to compressing mechanism 1 arrival end; Get into compressing mechanism 1 and be compressed, accomplish once circulation.
(3) hot water is produced in the double partly recuperation of heat of refrigeration
Under this function, first heat exchanger 3 is user's cooling, the condensation heat that refrigeration is produced, and some is produced hot water in the 3rd heat exchanger 8, and another partly enters environment through second heat exchanger 6.During work; First throttle mechanism 4, second throttle mechanism 5, the 3rd throttle mechanism 7 be operate as normal all; First throttle mechanism 4 and the 3rd throttle mechanism 7 are respectively applied for the refrigerant flow of regulating through second heat exchanger 6 and the 3rd heat exchanger 8, and second throttle mechanism 5 is used for the cold-producing medium throttling.
Its workflow is: cold-producing medium gets into the 60 pipeline 60 and is divided into two-way after discharging from compressing mechanism 1 port of export; The first via is often opened node the 74, the 64 pipeline 64, second heat exchanger 6, first throttle mechanism the 4, the 57 pipeline 57 through first cross valve, 70 high pressure nodes 71, first cross valve 70 successively, gets into the 58 pipeline 58; Another road through the 59 pipeline 59, second cross valve, 80 high pressure nodes 81, second cross valve, 80 common points the 82, the 66 pipeline 66, second check valve the 22, the 51 pipeline 51, the 3rd heat exchanger 8, the 3rd throttle mechanism the 7, the 52 pipeline 52, also gets into the 58 pipeline 58 successively; Two-way is after the 58 pipeline 58 mixes; Often open node 84, second cross valve, 80 low pressure nodes the 83, the 65 pipeline the 65, the 63 pipeline 63 through second throttle mechanism 5, first heat exchanger the 3, the 67 pipeline 67, second cross valve 80 successively again; Get back to compressing mechanism 1 arrival end; Get into compressing mechanism 1 and be compressed, accomplish once circulation.
(4) need freeze simultaneously by the user and produce hot water
Under this function, refrigerating capacity and hot water amount can be according to user's needs while independent regulation.At this moment, second heat exchanger 6 draw heat from environment, first heat exchanger 3 is user's cooling, condensation heat that refrigeration is produced and the heat of from environment, drawing all are used to produce hot water in the 3rd heat exchanger 8.During work, first throttle mechanism 4, second throttle mechanism 5 be operate as normal all, is respectively applied for the refrigerant flow of regulating through second heat exchanger 6 and first heat exchanger 3; The 3rd throttle mechanism 7 standard-sized sheets.
Its workflow is: cold-producing medium gets into the 60 pipeline 60 and is divided into two-way after discharging from compressing mechanism 1 port of export; The first via through first cross valve, 70 high pressure nodes 71, first cross valve, 70 common points the 72, the 61 pipeline 61, first check valve 21, gets into the 51 pipeline 51 successively; Another road through the 59 pipeline 59, second cross valve, 80 high pressure nodes 81, second cross valve, 80 common points the 82, the 66 pipeline 66, second check valve 22, also gets into the 51 pipeline 51 successively; Two-way successively through the 3rd heat exchanger 8, the 3rd throttle mechanism the 7, the 52 pipeline 52, is divided into two-way again again after the 52 pipeline 52 comes out after the 51 pipeline 51 mixes; One the tunnel often opens node 84, second cross valve, 80 low pressure nodes 83 through the 58 pipeline 58, second throttle mechanism 5, first heat exchanger the 3, the 67 pipeline 67, second cross valve 80 successively, gets into the 65 pipeline 65; Node 74, first cross valve, 70 low pressure nodes 73 are often opened through the 57 pipeline 57, first throttle mechanism 4, second heat exchanger the 6, the 64 pipeline 64, first cross valve 70 successively in another road, also get into the 65 pipeline 65; Two-way through the 63 pipeline 63, is got back to compressing mechanism 1 arrival end after the 65 pipeline 65 mixes, get into compressing mechanism 1 and be compressed, and accomplishes once circulation.
(5) produce hot water separately
Under this function, second heat exchanger 6 draw heat from environment utilizes the heat of drawing, and in the 3rd heat exchanger 8, produces hot water.During work, first throttle mechanism 4 operate as normal, second throttle mechanism 5 cuts out; The 3rd throttle mechanism 7 standard-sized sheets, first heat exchanger 3 is not worked.
Its workflow is: cold-producing medium gets into the 60 pipeline 60 and is divided into two-way after discharging from compressing mechanism 1 port of export; The first via through first cross valve, 70 high pressure nodes 71, first cross valve, 70 common points the 72, the 61 pipeline 61, first check valve 21, gets into the 51 pipeline 51 successively; Another road through second cross valve, 80 high pressure nodes 81, second cross valve, 80 common points the 82, the 66 pipeline 66, second check valve 22, also gets into the 51 pipeline 51 successively; Two-way is after the 51 pipeline 51 mixes; Often open node 74, first cross valve, 70 low pressure nodes the 73, the 65 pipeline the 65, the 63 pipeline 63 through the 3rd heat exchanger 8, the 3rd throttle mechanism the 7, the 52 pipeline the 52, the 57 pipeline 57, first throttle mechanism 4, second heat exchanger the 6, the 64 pipeline 64, first cross valve 70 successively again; Get back to compressing mechanism 1 arrival end; Get into compressing mechanism 1 and be compressed, accomplish once circulation.
(6) heating separately
Under this function, second heat exchanger 6 draw heat from environment utilizes the heat of drawing, and in first heat exchanger 3, is user's heating, and the 3rd heat exchanger 8 is not worked.During work, first throttle mechanism 4 operate as normal, second throttle mechanism, 5 standard-sized sheets, the 3rd throttle mechanism 7 cuts out.
Its workflow is: after cold-producing medium is discharged from compressing mechanism 1 port of export; Successively through the 60 pipeline the 60, the 59 pipeline 59, second cross valve, 80 high pressure nodes 81, second cross valve 80 often open node the 84, the 67 pipeline 67, first heat exchanger 3, second throttle mechanism the 5, the 58 pipeline the 58, the 57 pipeline 57, first throttle mechanism 4, second heat exchanger the 6, the 64 pipeline 64, first cross valve 70 is often opened node 74, first cross valve, 70 low pressure nodes the 73, the 65 pipeline the 65, the 63 pipeline 63; Get back to compressing mechanism 1 arrival end; Get into compressing mechanism 1 and be compressed, accomplish once circulation.
(7) heat simultaneously and produce hot water
Under this function, second heat exchanger 6 draw heat from environment, the heat of being drawn, a part of is user's heating in first heat exchanger 3, another part is produced hot water in the 3rd heat exchanger 8.During work; First throttle mechanism 4, second throttle mechanism 5, the 3rd throttle mechanism 7 be operate as normal all; Second throttle mechanism 5 and the 3rd throttle mechanism 7 are respectively applied for the refrigerant flow of regulating through first heat exchanger 3 and the 3rd heat exchanger 8, and first throttle mechanism 4 is used for the cold-producing medium throttling.
Its workflow is: cold-producing medium gets into the 60 pipeline 60 and is divided into two-way after discharging from compressing mechanism 1 port of export; The first via is often opened node the 84, the 67 pipeline 67, first heat exchanger 3, second throttle mechanism the 5, the 58 pipeline 58 through the 59 pipeline 59, second cross valve, 80 high pressure nodes 81, second cross valve 80 successively, gets into the 57 pipeline 57; Another road through first cross valve, 70 high pressure nodes 71, first cross valve, 70 common points the 72, the 61 pipeline 61, first check valve the 21, the 51 pipeline 51, the 3rd heat exchanger 8, the 3rd throttle mechanism the 7, the 52 pipeline 52, also gets into the 57 pipeline 57 successively; Two-way is after the 57 pipeline 57 mixes; Often open node 74, first cross valve, 70 low pressure nodes the 73, the 65 pipeline the 65, the 63 pipeline 63 through first throttle mechanism 4, second heat exchanger the 6, the 64 pipeline 64, first cross valve 70 successively again; Get back to compressing mechanism 1 arrival end; Get into compressing mechanism 1 and be compressed, accomplish once circulation.
(8) winter frost removing
When adopting contrary circulation hot gas defrosting, that is: when utilizing first heat exchanger 3 from indoor draw heat defrost, its workflow is identical with the separate refrigeration function.
Embodiment 2
As shown in Figure 3, with the difference of embodiment 1 scheme shown in Figure 2 be: use one first flow direction control valve 41 to substitute first check valves 21.At this moment; The connectivity scenario of first flow direction control valve 41 in system is: first flow direction control valve, 41 1 ends link to each other with the 61 pipeline 61 of said cold-producing medium threeway flow direction converting 100, and first flow direction control valve, 41 other ends link to each other with second check valve, 22 ports of export of said cold-producing medium threeway flow direction converting 100 and the 51 pipeline 51 between the 3rd heat exchanger 8.
Described first flow direction control valve 41 is magnetic valves.In the course of work, through also can realize all functions of embodiment 1 scheme shown in Figure 2 to the switch control of first flow direction control valve 41; In addition, winter frost removing can also be realized second kind of scheme of the following stated.
When second kind of scheme work of winter frost removing of present embodiment the following stated, utilize the 3rd heat exchanger 8 draw heat from hot water, be 6 defrosts of second heat exchanger, simultaneously, be user's heating through first heat exchanger 3.
During work, first throttle mechanism 4, second throttle mechanism 5, the 3rd throttle mechanism 7 be operate as normal all; First throttle mechanism 4, second throttle mechanism 5 are respectively applied for the high temperature refrigerant vapor flow rate of regulating through second heat exchanger 6 and first heat exchanger 3, and the 3rd throttle mechanism 7 is used for the refrigerant liquid throttling.
Its workflow is: cold-producing medium gets into the 60 pipeline 60 and is divided into two-way after discharging from compressing mechanism 1 port of export; The first via is often opened node the 84, the 67 pipeline 67, first heat exchanger 3, second throttle mechanism the 5, the 58 pipeline 58 through the 59 pipeline 59, second cross valve, 80 high pressure nodes 81, second cross valve 80 successively, gets into the 52 pipeline 52; Node the 74, the 64 pipeline 64, second heat exchanger 6, first throttle mechanism the 4, the 57 pipeline 57 are often opened through first cross valve, 70 high pressure nodes 71, first cross valve 70 successively in another road, also get into the 52 pipeline 52; Two-way is after the 52 pipeline 52 mixes; Successively through the 3rd throttle mechanism 7, the 3rd heat exchanger the 8, the 51 pipeline 51, first flow direction control valve the 41, the 61 pipeline 61, first cross valve, 70 common points 72, first cross valve, 70 low pressure nodes the 73, the 65 pipeline the 65, the 63 pipeline 63; Get back to compressing mechanism 1 arrival end;, get into compressing mechanism 1 and be compressed, accomplish once circulation.
In the course of work, first flow direction control valve 41 is except adopting the magnetic valve, can also adopt throttle mechanism with turn-off function (for example: electric expansion valve) or have in the flow control device of turn-off function any one.
As shown in Figure 4, with the difference of embodiment 1 scheme shown in Figure 2 be: use one second flow direction control valve 42 to substitute second check valves 22.At this moment; The connectivity scenario of second flow direction control valve 42 in system is: second flow direction control valve, 42 1 ends link to each other with the 66 pipeline 66 of said cold-producing medium threeway flow direction converting 100, and second flow direction control valve, 42 other ends link to each other with first check valve, 21 ports of export of said cold-producing medium threeway flow direction converting 100 and the 51 pipeline 51 between the 3rd heat exchanger 8.
During work, second heat exchanger 6 is user side heat exchangers, and be user refrigeration as evaporimeter summer, and be user heating as condenser winter; First heat exchanger 3 is heat source side heat exchangers, both can be used as condenser, in environment, distributes the condensation heat that refrigeration produces, and also can be used as evaporimeter, from environment, absorbs heat, is user's heating or production hot water.
Described second flow direction control valve 42 is magnetic valves.In the course of work, also can realize the described all functions of embodiment 1 scheme shown in Figure 2 through the switch control to second flow direction control valve 42, but, the difference when realizing each function is: workflow is different.Workflow under each function is this no longer tired stating.Be similar to embodiment 2, winter frost removing also can be realized second kind of scheme of the following stated.
When second kind of winter frost removing scheme work, utilize the 3rd heat exchanger 8 draw heat from hot water, be 3 defrosts of first heat exchanger, simultaneously, be user's heating through second heat exchanger 6.
In the course of work, first throttle mechanism 4, second throttle mechanism 5, the 3rd throttle mechanism 7 be operate as normal all; First throttle mechanism 4, second throttle mechanism 5 are respectively applied for the high temperature refrigerant vapor flow rate of regulating through second heat exchanger 6 and first heat exchanger 3, and the 3rd throttle mechanism 7 is used for the refrigerant liquid throttling.
Its workflow is: cold-producing medium gets into the 60 pipeline 60 and is divided into two-way after discharging from compressing mechanism 1 port of export; The first via is often opened node the 84, the 67 pipeline 67, first heat exchanger 3, second throttle mechanism the 5, the 58 pipeline 58 through the 59 pipeline 59, second cross valve, 80 high pressure nodes 81, second cross valve 80 successively, gets into the 52 pipeline 52; Node the 74, the 64 pipeline 64, second heat exchanger 6, first throttle mechanism the 4, the 57 pipeline 57 are often opened through first cross valve, 70 high pressure nodes 71, first cross valve 70 successively in another road, also get into the 52 pipeline 52; Two-way is after the 52 pipeline 52 mixes; Successively through the 3rd throttle mechanism 7, the 3rd heat exchanger the 8, the 51 pipeline 51, second flow direction control valve the 42, the 66 pipeline 66, second cross valve, 80 common points 82, second cross valve, 80 low pressure nodes the 83, the 65 pipeline the 65, the 63 pipeline 63; Get back to compressing mechanism 1 arrival end;, get into compressing mechanism 1 and be compressed, accomplish once circulation.
In the course of work, second flow direction control valve 42 is except adopting the magnetic valve, can also adopt throttle mechanism with turn-off function (for example: electric expansion valve) or have in the flow control device of turn-off function any one.
Claims (10)
1. a cold-producing medium threeway flow direction converting comprises compressing mechanism (1), first cross valve (70), it is characterized in that: this cold-producing medium threeway flow direction converting also comprises second cross valve (80), first check valve (21) and second check valve (22); The low pressure node (73) of said first cross valve (70) links to each other with the low pressure node (83) of said second cross valve (80) through the 65 pipeline (65); The high pressure node (71) of said first cross valve (70) the 65 pipeline (65) between the low pressure node (83) of the low pressure node (73) through the 60 pipeline (60), compressing mechanism (1) port of export, compressing mechanism (1) arrival end, the 63 pipeline (63) and said first cross valve (70) and second cross valve (80) successively links to each other; The high pressure node (81) of said second cross valve (80) links to each other through the 60 pipeline (60) between the high pressure node (71) of the 59 pipeline (59) and compressing mechanism (1) port of export and first cross valve (70); The common points (82) of said second cross valve (80) links to each other with the common points (72) of first cross valve (70) through the 66 pipeline (66), second check valve (22) arrival end, second check valve (22) port of export, first check valve (21) port of export, first check valve (21) arrival end, the 61 pipeline (61) successively; Pipeline between said first check valve (21) port of export and second check valve (22) port of export links to each other with the 51 pipeline (51); The node (74) of often opening of said first cross valve (70) links to each other with the 64 pipeline (64), and the node (84) of often opening of said second cross valve (80) links to each other with the 67 pipeline (67).
2. cold-producing medium threeway flow direction converting according to claim 1 is characterized in that any in said first check valve (21) and second check valve (22) is substituted by magnetic valve.
3. cold-producing medium threeway flow direction converting according to claim 1 is characterized in that any flow control device with turn-off function in said first check valve (21) and second check valve (22) substitutes.
4. cold-producing medium threeway flow direction converting according to claim 1 is characterized in that any throttle mechanism with turn-off function in said first check valve (21) and second check valve (22) substitutes.
5. cold-producing medium threeway flow direction converting according to claim 4 is characterized in that described throttle mechanism with turn-off function is an electric expansion valve.
6. cold-producing medium threeway flow direction converting according to claim 1 is characterized in that all pipelines in the said cold-producing medium threeway flow direction converting (100) all are copper pipes.
7. cold-producing medium threeway flow direction converting according to claim 1; It is characterized in that the single stage compress that said compressing mechanism (1) is made up of at least one compressor; Said suction port of compressor end links to each other with the 65 pipeline (65) through the 63 pipeline (63), and said compressor outlet links to each other with the 59 pipeline (59) with the 60 pipeline (60).
8. cold-producing medium threeway flow direction converting according to claim 1; It is characterized in that the twin-stage compression that said compressing mechanism (1) is made up of at least one low pressure compressor (1-1) and at least one high pressure compressor (1-2); Said low pressure compressor (1-1) arrival end links to each other with the 65 pipeline (65) through the 63 pipeline (63), and said low pressure compressor (1-1) port of export links to each other with the 59 pipeline (59) with the 60 pipeline (60) through middle gas supplementing opening (A), high pressure compressor (1-2) arrival end, high pressure compressor (1-2) port of export successively.
9. cold-producing medium threeway flow direction converting according to claim 1; It is characterized in that an oil eliminator (90) arrival end links to each other with said compressing mechanism (1) port of export, said oil eliminator (90) port of export links to each other with the 59 pipeline (59) with the 60 pipeline (60).
10. cold-producing medium threeway flow direction converting according to claim 1; It is characterized in that a gas-liquid separator (91) port of export links to each other with said compressing mechanism (1) arrival end, said gas-liquid separator (91) arrival end links to each other with the 65 pipeline (65) through the 63 pipeline (63).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110355023.0A CN102419036B (en) | 2011-10-31 | 2011-10-31 | Three-way flow direction conversion device for refrigerant |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110355023.0A CN102419036B (en) | 2011-10-31 | 2011-10-31 | Three-way flow direction conversion device for refrigerant |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102419036A true CN102419036A (en) | 2012-04-18 |
| CN102419036B CN102419036B (en) | 2016-06-29 |
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| CN201110355023.0A Active CN102419036B (en) | 2011-10-31 | 2011-10-31 | Three-way flow direction conversion device for refrigerant |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103471296A (en) * | 2012-09-24 | 2013-12-25 | 刘雄 | Air conditioning refrigeration equipment |
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| CN101285632A (en) * | 2007-12-24 | 2008-10-15 | 西安建筑科技大学 | Refrigerant flow direction converting device and its uses |
| CN101776350A (en) * | 2010-01-09 | 2010-07-14 | 苏州大学 | Air conditioner and water heater integrated machine |
| CN101943503A (en) * | 2010-07-24 | 2011-01-12 | 刘雄 | Air-conditioning refrigeration facility |
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| JPH06257874A (en) * | 1993-03-02 | 1994-09-16 | Mitsubishi Heavy Ind Ltd | Heat pump type air-conditioning machine |
| CN101285632A (en) * | 2007-12-24 | 2008-10-15 | 西安建筑科技大学 | Refrigerant flow direction converting device and its uses |
| CN101776350A (en) * | 2010-01-09 | 2010-07-14 | 苏州大学 | Air conditioner and water heater integrated machine |
| CN101943503A (en) * | 2010-07-24 | 2011-01-12 | 刘雄 | Air-conditioning refrigeration facility |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103471296A (en) * | 2012-09-24 | 2013-12-25 | 刘雄 | Air conditioning refrigeration equipment |
| CN103471296B (en) * | 2012-09-24 | 2016-05-11 | 刘雄 | Operation of air conditioning systems |
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| CN102419036B (en) | 2016-06-29 |
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