CN102563968B - Air conditioner refrigerating device - Google Patents

Air conditioner refrigerating device Download PDF

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CN102563968B
CN102563968B CN201210057854.4A CN201210057854A CN102563968B CN 102563968 B CN102563968 B CN 102563968B CN 201210057854 A CN201210057854 A CN 201210057854A CN 102563968 B CN102563968 B CN 102563968B
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pipeline
export
check valve
port
heat exchanger
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CN102563968A (en
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刘雄
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Abstract

The invention discloses an air conditioner refrigerating device which comprises a compression mechanism, a four-way valve, a user side heat exchanger, a heat source side heat exchanger, a hot water heater, a first throttling mechanism, a second throttling mechanism, a first one-way valve, a second one-way valve and a third one-way valve, wherein a high-pressure node of the four-way valve is connected with the outlet end of the compression mechanism through a sixtieth pipeline, a low-pressure node of the four-way valve is connected with the inlet end of the compression mechanism through a sixth-third pipeline, and any one of two reversing nodes of the four-way valve is connected with a sixty-fourth pipeline at the outlet end of the second one-way valve sequentially through a sixty-fourth pipeline, the outlet end of the second one-way valve, the inlet end of the compression mechanism, a sixty-sixth pipeline, the first throttling mechanism, a sixty-second pipeline, the inlet end of the third one-way valve, the outlet end of the third one-way valve, the outlet end of the first one-way valve and the outlet end of the first one-way valve. The air conditioner refrigerating device has the characteristics of simple structure, reliability in working, and low cost, and can realize multiple functions of refrigerating, heating, producing hot water, and the like.

Description

Operation of air conditioning systems
Technical field
The present invention relates to a kind of operation of air conditioning systems with several functions, belong to refrigeration technology field.
Background technology
The present patent application people is in patent of invention that submit to, that application number is 201010508119.1 on October 02nd, 2010, relate to a kind of operation of air conditioning systems with several functions, in this operation of air conditioning systems, there are three heat exchangers, respectively heat source side heat exchanger, user's side heat exchanger and hot-water heater, it can be in whole year operation process, meets user's the warm domestic hot-water's demand of refrigeration, confession.But can find from the application specification of this invention: in the time that this operation of air conditioning systems is worked under independent production hot water function, heat source side heat exchanger is draw heat from environment, utilize the heat of drawing, productive life hot water in hot-water heater, and user's side heat exchanger is in idle state; Similarly, in the time that this operation of air conditioning systems is worked under heating function separately in the winter time, heat source side heat exchanger is draw heat from environment, utilizes the heat of drawing, and heat for user, and hot-water heater is in idle state by user's side heat exchanger.
As can be seen here, above-mentioned operation of air conditioning systems in the course of the work, the exchange capability of heat of its three heat exchangers does not obtain effectively utilizing completely, in the time producing separately hot water function and work under independent heating function winter, reduce the heating efficiency of above-mentioned operation of air conditioning systems, thereby the service behaviour of this operation of air conditioning systems has been caused to adverse effect.
Summary of the invention
The object of this invention is to provide a kind ofly in whole year operation process, can effectively utilize refrigeration that heat exchange capability of heat exchanger meets user, operation of air conditioning systems for warm domestic hot-water's demand.
The problem existing in order to overcome above-mentioned technology, the technical scheme of technical solution problem of the present invention is:
1, a kind of operation of air conditioning systems, comprise compressing mechanism (1), cross valve (2), user's side heat exchanger (3), heat source side heat exchanger (4) and first throttle mechanism (5), it is characterized in that: this operation of air conditioning systems also comprises the second throttle mechanism (7), hot-water heater (8), the first check valve (21), the second check valve (22) and the 3rd check valve (23), the high pressure node (71) of described cross valve (2) is connected with compressing mechanism (1) port of export by the 60 pipeline (60), the low pressure node (73) of described cross valve (2) is connected with compressing mechanism (1) arrival end by the 63 pipeline (63), any one node (72) in (2) two commutation nodes of described cross valve is successively by the 64 pipeline (64), the second check valve (22) port of export, the second check valve (22) arrival end, the 66 pipeline (66), first throttle mechanism (5), the 62 pipeline (62), the 3rd check valve (23) arrival end, the 3rd check valve (23) port of export, the first check valve (21) port of export, the first check valve (21) arrival end is connected with the 64 pipeline (64) of described the second check valve (22) port of export,
Described hot-water heater (8) refrigerant side arrival end is connected with the pipeline between described the first check valve (21) port of export and the 3rd check valve (23) port of export by the 69 pipeline (69), described hot-water heater (8) the refrigerant side port of export is successively through the 68 pipeline (68), the second throttle mechanism (7), heat source side heat exchanger (4) arrival end, heat source side heat exchanger (4) port of export, the 70 pipeline (70) is connected with the 66 pipeline (66) between described the second check valve (22) arrival end and first throttle mechanism (5),
Another commutation node (74) of described cross valve (2) is connected by any one connected node in two connected nodes of the 61 pipeline (61) and described user's side heat exchanger (3) refrigerant side, and another connected node of described user's side heat exchanger (3) refrigerant side is connected with the 62 pipeline (62) between described the 3rd check valve (23) arrival end and first throttle mechanism (5).
2, a kind of operation of air conditioning systems, comprise compressing mechanism (1), cross valve (2), user's side heat exchanger (3), heat source side heat exchanger (4) and first throttle mechanism (5), it is characterized in that: this operation of air conditioning systems also comprises the second throttle mechanism (7), hot-water heater (8), liquid reservoir (9), the first check valve (21), the second check valve (22), the 3rd check valve (23) and the 4th check valve (24), the high pressure node (71) of described cross valve (2) is connected with compressing mechanism (1) port of export by the 60 pipeline (60), the low pressure node (73) of described cross valve (2) is connected with compressing mechanism (1) arrival end by the 63 pipeline (63), and any one node (72) in (2) two commutation nodes of described cross valve is successively through the 64 pipeline (64), the second check valve (22) port of export, the second check valve (22) arrival end, the 66 pipeline (66), the 4th check valve (24) arrival end, the 4th check valve (24) port of export, the 67 pipeline (67), liquid reservoir (9), the 65 pipeline (65), first throttle mechanism (5), the 62 pipeline (62), the 3rd check valve (23) arrival end, the 3rd check valve (23) port of export, the first check valve (21) port of export, the first check valve (21) arrival end is connected with the 64 pipeline (64) of described the second check valve (22) port of export,
Described hot-water heater (8) refrigerant side arrival end is connected with the pipeline between described the first check valve (21) port of export and the 3rd check valve (23) port of export by the 69 pipeline (69), described hot-water heater (8) the refrigerant side port of export is successively through the 68 pipeline (68), the second throttle mechanism (7), heat source side heat exchanger (4) arrival end, heat source side heat exchanger (4) port of export, the 70 pipeline (70) is connected with the 66 pipeline (66) between described the second check valve (22) arrival end and the 4th check valve (24) arrival end,
Another commutation node (74) of described cross valve (2) is connected by any one connected node in two connected nodes of the 61 pipeline (61) and described user's side heat exchanger (3) refrigerant side, and another connected node of described user's side heat exchanger (3) refrigerant side is connected with the 62 pipeline (62) between described the 3rd check valve (23) arrival end and first throttle mechanism (5).
Compared with prior art, its beneficial effect is in the present invention:
1. the exchange capability of heat that can effectively utilize heat exchanger meets user's domestic hot-water, refrigeration and heating demand;
2. can recycle the condensation heat that operation of air conditioning systems produces in running;
3. simple in structure, reliable operation, with low cost;
4. the present invention is applicable to industry and civilian operation of air conditioning systems, is specially adapted to the occasion of refrigeration, the warm domestic hot-water's demand of confession.
Brief description of the drawings
Fig. 1 is the embodiment of the present invention 1 structural representation;
Fig. 2 is the embodiment of the present invention 2 structural representations;
Fig. 3 is the embodiment of the present invention 1 and 2 Water system of air-conditioning refrigeration equipment structural representations.
Detailed description of the invention
Below in conjunction with accompanying drawing, content of the present invention is described in further detail.
Embodiment 1
As shown in Figure 1, the present embodiment is a kind of operation of air conditioning systems with several functions, for there being the occasion of refrigeration, the warm domestic hot-water's demand of confession the whole year.Operation of air conditioning systems shown in Fig. 1 comprises following part: compressing mechanism 1, cross valve 2, first throttle mechanism 5, the second throttle mechanism 7, user's side heat exchanger 3, heat source side heat exchanger 4 and hot-water heater 8; First throttle mechanism 5, the second throttle mechanism 7 are electric expansion valve; User's side heat exchanger 3 is cold-producing medium-water-to-water heat exchangers, and summer, other season was for the production of hot water for the production of chilled water; Heat source side heat exchanger 4 is cold-producing medium-air heat exchangers, both can be used as condenser, in environment, distributes the condensation heat that refrigeration produces, and also can be used as evaporimeter, absorbs heat from environment; Hot-water heater 8 is also a cold-producing medium-water-to-water heat exchanger, is used to the whole year user to produce hot water.
The water system matching with operation of air conditioning systems shown in the present embodiment Fig. 1, as shown in Figure 3.Water system of air-conditioning refrigeration equipment shown in Fig. 3 comprises following part: user's side heat exchanger 3 of operation of air conditioning systems, the hot-water heater 8 of operation of air conditioning systems, hot water heater 30, hot-water circulating pump 50, air conditioner water circulating pump 51, air-conditioning equipment 100, the first non-return valve 109, the second non-return valve 110, the first water flow control valve 121, the second water flow control valve 122, the 3rd water flow control valve 123.Their connected mode is as described below:
Hot-water heater 8 water side entrance ends are connected with hot-water heater 8 water side outlet ends through second non-return valve 110 ports of export, the second non-return valve 110 arrival ends, hot-water circulating pump 50 ports of export, hot-water circulating pump 50 arrival ends, the 108 pipeline 108, hot water heater 30 ports of export, hot water heater 30 arrival ends, the 106 pipeline 106, the first water flow control valve the 121, the 105 pipeline 105 successively;
User's side heat exchanger 3 water side entrance ends are connected with user's side heat exchanger 3 water side outlet ends through the 103 pipeline 103, first non-return valve 109 ports of export, the first non-return valve 109 arrival ends, air conditioner water circulating pump 51 ports of export, air conditioner water circulating pump 51 arrival ends, the 102 pipeline 102, air-conditioning equipment 100 ports of export, air-conditioning equipment 100 arrival ends, the 101 pipeline 101 successively;
Second water flow control valve 122 one end are connected with the 101 pipeline 101 between user's side heat exchanger 3 water side outlet ends and air-conditioning equipment 100 arrival ends, and second water flow control valve 122 other ends are connected with the 106 pipeline 106 between hot water heater 30 arrival ends and the first water flow control valve 121;
The 3rd water flow control valve 123 one end are connected with the 102 pipeline 102 between air conditioner water circulating pump 51 arrival ends and air-conditioning equipment 100 ports of export, and the 3rd water flow control valve 123 other ends are connected with the 108 pipeline 108 between hot water heater 30 ports of export and hot-water circulating pump 50 arrival ends;
The 104 pipeline 104 one end are connected with the 103 pipeline 103 between user's side heat exchanger 3 water side entrance ends and first non-return valve 109 ports of export, and the 104 pipeline 104 other ends are connected with the 105 pipeline 105 between hot-water heater 8 water side outlet ends and the first water flow control valve 121.
Water system of air-conditioning refrigeration equipment shown in operation of air conditioning systems shown in Fig. 1 and associated Fig. 3, in the summer course of work, the chilled water that utilizes user's side heat exchanger 3 to produce, be user's cooling by air-conditioning equipment 100, the condensation heat that refrigeration produces is in the mode of recuperation of heat, produce hot water by hot-water heater 8, the hot water of producing by hot water heater 30 productive life hot water, is not entered in surrounding environment by heat source side heat exchanger 4 by the condensation heat of recuperation of heat again; In the course of work of transition season, heat source side heat exchanger 4 draw heat from surrounding environment, the heat of drawing is produced hot water by user's side heat exchanger 3 and hot-water heater 8, and the hot water of producing is again by hot water heater 30 productive life hot water; In the winter time in the course of work, heat source side heat exchanger 4 draw heat from surrounding environment, the heat of drawing is produced hot water by user's side heat exchanger 3 and hot-water heater 8, a hot water part of producing is again by hot water heater 30 productive life hot water, and another part is user's heating by air-conditioning equipment 100.
The workflow of Water system of air-conditioning refrigeration equipment shown in operation of air conditioning systems shown in Fig. 1 and associated Fig. 3 in the time realizing each function is as described below respectively.
(1) the double recuperation of heat of refrigeration
As shown in figs. 1 and 3, under this function, hot-water heater 8 utilizes the partial condensation heat that refrigeration produces to produce hot water, and the hot water of producing is by hot water heater 30 productive life hot water again; Another partial condensation heat enters environment by heat source side heat exchanger 4; User's side heat exchanger 3 is for the production of chilled water, and the chilled water of producing is user's cooling by air-conditioning equipment 100.
When work, first throttle mechanism 5 normally works, the second throttle mechanism 7 standard-sized sheets; Hot-water circulating pump 50, air conditioner water circulating pump 51 are normally worked; The first water flow control valve 121 is opened, and the second water flow control valve 122, the 3rd water flow control valve 123 are closed.
Under this function, the workflow of the operation of air conditioning systems shown in Fig. 1 is: cold-producing medium is from compressing mechanism 1 port of export is discharged, successively through the 60 pipeline 60, cross valve 2 high pressure nodes 71, cross valve 2 node 72 that commutates, the 64 pipeline 64, the first check valve 21 arrival ends, first check valve 21 ports of export, the 69 pipeline 69, hot-water heater 8 refrigerant side arrival ends, the hot-water heater 8 refrigerant side ports of export, the 68 pipeline 68, the second throttle mechanism 7, heat source side heat exchanger 4 arrival ends, heat source side heat exchanger 4 ports of export, the 70 pipeline 70, the 66 pipeline 66, first throttle mechanism 5, the 62 pipeline 62, enter the refrigerant side of user's side heat exchanger 3, carry out heat exchange by user's side heat exchanger 3 and water, cold-producing medium absorb heat, from the refrigerant side of user's side heat exchanger 3 out, more successively through the 61 pipeline 61, cross valve 2 commutate node 74, cross valve 2 low pressure node the 73, the 63 pipelines 63, get back to compressing mechanism 1 arrival end.
Under this function, the workflow of the Water system of air-conditioning refrigeration equipment shown in Fig. 3 is divided into two parts.
Part I is: hot water is from hot-water heater 8 water side outlet ends are discharged, through the 105 pipeline 105, the first water flow control valve the 121, the 106 pipeline 106, hot water heater 30 arrival ends, hot water heater 30 ports of export, the 108 pipeline 108, hot-water circulating pump 50 arrival ends, hot-water circulating pump 50 ports of export, the second non-return valve 110 arrival ends, second non-return valve 110 ports of export, the 107 pipeline 107, get back to hot-water heater 8 water side entrance ends successively.
Part II is: chilled water is from user's side heat exchanger 3 water side outlet ends are discharged, through the 101 pipeline 101, air-conditioning equipment 100 arrival ends, air-conditioning equipment 100 ports of export, the 102 pipeline 102, air conditioner water circulating pump 51 arrival ends, air conditioner water circulating pump 51 ports of export, the first non-return valve 109 arrival ends, first non-return valve 109 ports of export, the 103 pipeline 103, get back to user's side heat exchanger 3 water side entrance ends successively.
(2) independent productive life hot water
As shown in figs. 1 and 3, under this function, heat source side heat exchanger 4 draw heat from environment, utilizes the heat of drawing, and in hot-water heater 8 and user's side heat exchanger 3, produces hot water, and the hot water of producing is again by hot water heater 30 productive life hot water.
When work, air-conditioning equipment 100, air conditioner water circulating pump 51 are not worked, and hot-water circulating pump 50 is normally worked; First throttle mechanism 5 closes, and the second throttle mechanism 7 is normally worked; The first water flow control valve 121, the 3rd water flow control valve 123 are closed, and the second water flow control valve 122 is opened.
Under this function, the workflow of the operation of air conditioning systems shown in Fig. 1 is: cold-producing medium is from compressing mechanism 1 port of export is discharged, successively through the 60 pipeline 60, cross valve 2 high pressure nodes 71, cross valve 2 node 74 that commutates, the 61 pipeline 61, the refrigerant side and the recirculated water that enter user's side heat exchanger 3 carry out heat exchange, emit heat, from the refrigerant side of user's side heat exchanger 3 out, more successively through the 62 pipeline 62, the 3rd check valve 23 arrival ends, the 3rd check valve 23 ports of export, the 69 pipeline 69, hot-water heater 8 refrigerant side arrival ends, the hot-water heater 8 refrigerant side ports of export, the 68 pipeline 68, the second throttle mechanism 7, heat source side heat exchanger 4 arrival ends, heat source side heat exchanger 4 ports of export, the 70 pipeline 70, the 66 pipeline 66, the second check valve 22 arrival ends, second check valve 22 ports of export, the 64 pipeline 64, cross valve 2 node 72 that commutates, cross valve 2 low pressure nodes 73, the 63 pipeline 63, gets back to compressing mechanism 1 arrival end.
Under this function, the workflow of the Water system of air-conditioning refrigeration equipment shown in Fig. 3 is: hot water is from hot-water heater 8 water side outlet ends are discharged, successively through the 105 pipeline 105, the 104 pipeline 104, the 103 pipeline 103, user's side heat exchanger 3 water side entrance ends, user's side heat exchanger 3 water side outlet ends, the 101 pipeline 101, the second water flow control valve 122, the 106 pipeline 106, hot water heater 30 arrival ends, hot water heater 30 ports of export, the 108 pipeline 108, hot-water circulating pump 50 arrival ends, hot-water circulating pump 50 ports of export, the second non-return valve 110 arrival ends, second non-return valve 110 ports of export, the 107 pipeline 107, get back to hot-water heater 8 water side entrance ends.
(3) heat separately winter
As shown in figs. 1 and 3, under this function, heat source side heat exchanger 4 draw heat from environment, utilizes the heat of drawing, and in hot-water heater 8 and user's side heat exchanger 3, produces hot water, and the hot water of producing is user's heating by air-conditioning equipment 100 again.
When work, hot water heater 30, air conditioner water circulating pump 51 are not worked, and hot-water circulating pump 50 is normally worked; First throttle mechanism 5 closes, and the second throttle mechanism 7 is normally worked; The first water flow control valve 121, the second water flow control valve 122 are closed, and the 3rd water flow control valve 123 is opened.
Under this function, the workflow of the operation of air conditioning systems shown in Fig. 1 is identical with the workflow of independent productive life hot water function.
Under this function, the workflow of the Water system of air-conditioning refrigeration equipment shown in Fig. 3 is: hot water is from hot-water heater 8 water side outlet ends are discharged, successively through the 105 pipeline 105, the 104 pipeline 104, the 103 pipeline 103, user's side heat exchanger 3 water side entrance ends, user's side heat exchanger 3 water side outlet ends, the 101 pipeline 101, air-conditioning equipment 100 arrival ends, air-conditioning equipment 100 ports of export, the 3rd water flow control valve 123, the 108 pipeline 108, hot-water circulating pump 50 arrival ends, hot-water circulating pump 50 ports of export, the second non-return valve 110 arrival ends, second non-return valve 110 ports of export, the 107 pipeline 107, get back to hot-water heater 8 water side entrance ends.
(4) winter is simultaneously for warm productive life hot water
As shown in figs. 1 and 3, under this function, heat source side heat exchanger 4 draw heat from environment, utilize the heat of drawing, in hot-water heater 8 and user's side heat exchanger 3, produce hot water, a hot water part of producing is user's heating by air-conditioning equipment 100, and another part is user's productive life hot water by hot water heater 30.
When work, air conditioner water circulating pump 51 is not worked, and hot-water circulating pump 50 is normally worked; First throttle mechanism 5 closes, and the second throttle mechanism 7 is normally worked; The first water flow control valve 121 is closed, and the second water flow control valve 122, the 3rd water flow control valve 123 are opened.
Under this function, the workflow of the operation of air conditioning systems shown in Fig. 1 is identical with the workflow of independent productive life hot water function.
Under this function, the workflow of the Water system of air-conditioning refrigeration equipment shown in Fig. 3 is: hot water is from hot-water heater 8 water side outlet ends are discharged, through the 105 pipeline the 105, the 104 pipeline the 104, the 103 pipeline 103, user's side heat exchanger 3 water side entrance ends, user's side heat exchanger 3 water side outlet ends, enter the 101 pipeline 101 and be divided into two-way successively; The first via is passed through air-conditioning equipment 100 arrival ends, air-conditioning equipment 100 ports of export, the 3rd water flow control valve 123 successively, enters the 108 pipeline 108; The second tunnel through the second water flow control valve the 122, the 106 pipeline 106, hot water heater 30 arrival ends, hot water heater 30 ports of export, also enters the 108 pipeline 108 successively; Two-way is after the 108 pipeline 108 mixes, pass through successively again hot-water circulating pump 50 arrival ends, hot-water circulating pump 50 ports of export, the second non-return valve 110 arrival ends, second non-return valve 110 ports of export, the 107 pipeline 107, get back to hot-water heater 8 water side entrance ends.
(5) winter frost removing
As shown in figs. 1 and 3, under this function, when winter frost removing, the hold concurrently workflow of heat recovery function of the workflow of the operation of air conditioning systems shown in Fig. 1 and its refrigeration is identical.That is: cold-producing medium is from compressing mechanism 1 port of export is discharged, successively through the 60 pipeline 60, cross valve 2 high pressure nodes 71, cross valve 2 node 72 that commutates, the 64 pipeline 64, the first check valve 21 arrival ends, first check valve 21 ports of export, the 69 pipeline 69, hot-water heater 8 refrigerant side arrival ends, the hot-water heater 8 refrigerant side ports of export, the 68 pipeline 68, the second throttle mechanism 7, heat source side heat exchanger 4 arrival ends, heat source side heat exchanger 4 ports of export, the 70 pipeline 70, the 66 pipeline 66, first throttle mechanism 5, the 62 pipeline 62, enter the refrigerant side of user's side heat exchanger 3, carry out heat exchange by user's side heat exchanger 3 and water, cold-producing medium absorb heat, from the refrigerant side of user's side heat exchanger 3 out, more successively through the 61 pipeline 61, cross valve 2 commutate node 74, cross valve 2 low pressure node the 73, the 63 pipelines 63, get back to compressing mechanism 1 arrival end.
When work, first throttle mechanism 5 normally works, the second throttle mechanism 7 standard-sized sheets; The first water flow control valve 121, the 3rd water flow control valve 123 are closed, and the second water flow control valve 122 is opened; Air-conditioning equipment 100, air conditioner water circulating pump 51 are not worked, and hot-water circulating pump 50 is normally worked.
When work, circulating hot water is by hot water heater 30, and from domestic hot-water draw heat; The circulating hot water being driven by hot-water circulating pump 50, the refrigerant vapour of being discharged by compressor in hot-water heater 8 heats, but in user's side heat exchanger 3, heated hot water is emitted again heat, the heat that compressor wasted work produces in this process and the heat of drawing from domestic hot-water are used for defrost by cold-producing medium in heat source side heat exchanger 4.
In the course of the work, the workflow of the Water system of air-conditioning refrigeration equipment shown in Fig. 3 is: hot water is from hot-water heater 8 water side outlet ends are discharged, successively through the 105 pipeline 105, the 104 pipeline 104, the 103 pipeline 103, user's side heat exchanger 3 water side entrance ends, user's side heat exchanger 3 water side outlet ends, the 101 pipeline 101, the second water flow control valve 122, the 106 pipeline 106, hot water heater 30 arrival ends, hot water heater 30 ports of export, the 108 pipeline 108, hot-water circulating pump 50 arrival ends, hot-water circulating pump 50 ports of export, the second non-return valve 110 arrival ends, second non-return valve 110 ports of export, the 107 pipeline 107, get back to hot-water heater 8 water side entrance ends.
Embodiment 2
As shown in Figure 2, the difference of scheme shown in it and embodiment 1 Fig. 1 is in operation of air conditioning systems, to have increased a liquid reservoir 9 and the 4th check valve 24.
As shown in Figure 2, liquid reservoir 9 with the connected mode of the 4th check valve 24 in operation of air conditioning systems is: the 4th check valve 24 arrival ends are connected with the 70 pipeline 70 of heat source side heat exchanger 4 ports of export with the second check valve 22 arrival ends by the 66 pipeline 66, and the 4th check valve 24 ports of export are connected with the 62 pipeline 62 through the 67 pipeline 67, liquid reservoir the 9, the 65 pipeline 65, first throttle mechanism 5 successively.
Water system of air-conditioning refrigeration equipment shown in scheme shown in the present embodiment Fig. 2 and associated Fig. 3, also can realize the function of scheme shown in embodiment 1 Fig. 1, but realizing independent heating function of independent productive life hot water function, winter, winter during simultaneously for warm productive life hot water function, first throttle mechanism 5 is in opening, to utilize liquid reservoir 9 to regulate the refrigerant circulation flow of operation of air conditioning systems in running.
Scheme shown in the present embodiment Fig. 2, by increase by first flow direction control valve in operation of air conditioning systems, can be improved further.The connected mode of the first flow direction control valve in operation of air conditioning systems shown in Fig. 2 is: one end of the first flow direction control valve is connected with liquid reservoir 9, and the other end of described the first flow direction control valve is connected with the middle gas supplementing opening A of compressing mechanism 1.
When practical application, this first flow direction control valve can adopt magnetic valve, have for example, in the throttle mechanism of turn-off function (: electric expansion valve) or flow control device any one substitutes.
Hold concurrently while working under heat recovery function in refrigeration, utilize this first flow direction control valve, the middle gas supplementing opening A by compressing mechanism 1, to tonifying Qi in the compression process of compressing mechanism 1, can improve the service behaviour of operation of air conditioning systems.
Embodiment 3
Scheme described in embodiment 1 Fig. 1 and embodiment 2 Fig. 2, by increase an oil eliminator 90 in operation of air conditioning systems, can be improved further, now, the connected mode of oil eliminator 90 in operation of air conditioning systems is: oil eliminator 90 arrival ends are connected with compressing mechanism 1 port of export, and oil eliminator 90 ports of export are connected with the high pressure node 71 of cross valve 2 by the 60 pipeline 60.
When work, the effect of oil eliminator 90 is the exhaust of compressing mechanism 1 to be carried out to oil separate.The above scheme of the present embodiment is applicable to scheme described in all embodiment of the present invention.
Embodiment 4
Scheme described in embodiment 1 Fig. 1 and embodiment 2 Fig. 2, by increase a gas-liquid separator 91 in operation of air conditioning systems, can be improved further, now, the connected mode of gas-liquid separator 91 in operation of air conditioning systems is: gas-liquid separator 91 ports of export are connected with compressing mechanism 1 arrival end, and gas-liquid separator 91 arrival ends are connected with cross valve 2 low pressure nodes 73 by the 63 pipeline 63.
When work, the effect of gas-liquid separator 91 is separate compressors structure 1 refrigerant liquids in air-breathing, avoids producing liquid hammer.The above scheme of the present embodiment is applicable to scheme described in all embodiment of the present invention.
Embodiment 5
For scheme shown in embodiment 2 Fig. 2, can be improved further by increase by second flow direction control valve in this operation of air conditioning systems, now, the connected mode of the second flow direction control valve in operation of air conditioning systems is: second flow direction control valve one end is connected with the 68 pipeline 68 between the hot-water heater 8 refrigerant side ports of export and the second throttle mechanism 7, the second flow direction control valve other end and liquid reservoir 9, the 67 pipeline 67 between liquid reservoir 9 and the 4th check valve 24 ports of export, any place in the 65 pipeline 65 between liquid reservoir 9 and first throttle mechanism 5 is connected.
In the course of work, above-mentioned improvement project also can embodiment 2 Fig. 2 shown in all functions of scheme, and workflow is identical.In the time realizing each function, the duty of the second flow direction control valve, first throttle mechanism 5, the second throttle mechanism 7 is as follows:
1) the double heat recovery function of refrigeration, winter frost removing function
The second flow direction control valve is closed, the second throttle mechanism 7 standard-sized sheets, and first throttle mechanism 5 normally works.
2) separately productive life hot water function, winter independent heating function, winter simultaneously for warm productive life hot water function
The second flow direction control valve is opened, and the second throttle mechanism 7 is normally worked, and first throttle mechanism 5 closes.In the course of work, because the second flow direction control valve is in opening, therefore along with the change of operating mode, cold-producing medium regulates refrigerant circulation flow by the second flow direction control valve turnover liquid reservoir 9.
The improvement project of scheme shown in above-described embodiment 2 Fig. 2, can do further improvement by increase by first flow direction control valve in this operation of air conditioning systems, now, the connected mode of the first flow direction control valve in operation of air conditioning systems is: one end of the first flow direction control valve is connected with liquid reservoir 9, and the other end of described the first flow direction control valve is connected with the middle gas supplementing opening A of compressing mechanism 1.
When above-described further improvement project is worked under each function, utilize this first flow direction control valve, the middle gas supplementing opening A by compressing mechanism 1, to tonifying Qi in the compression process of compressing mechanism 1, can improve the service behaviour of operation of air conditioning systems.
When practical application, any one in above-described the first flow direction control valve, the second flow direction control valve can adopt magnetic valve, have for example, in the throttle mechanism of turn-off function (: electric expansion valve) or flow control device any one substitutes.
In the scheme of the above-mentioned all embodiment of the present invention, compressing mechanism 1 is except can adopting the single stage compress being made up of at least one compressor, as illustrated in fig. 1 and 2, also can adopt by least one low-pressure stage compressor 1-1 and at least one the Two-stage Compression that hiigh pressure stage compressor 1-2 forms, now, described low-pressure stage compressor 1-1 arrival end is connected with cross valve 2 low pressure nodes 73 by the 63 pipeline 63, gas supplementing opening A in the middle of the described low-pressure stage compressor 1-1 port of export passes through successively, hiigh pressure stage compressor 1-2 arrival end, the hiigh pressure stage compressor 1-2 port of export, the 60 pipeline 60 is connected with the high pressure node 71 of cross valve 2.Can certainly adopt the single machine compression with double stage mode being formed by least one compressor.
Any one in the above low-pressure stage compressor 1-1, hiigh pressure stage compressor 1-2 or two whiles, can adopt any one in following compressor: piston compressor, screw compressor, helical-lobe compressor, rolling rotor compressor, sliding-vane compressor, rotary blade type compressor, centrifugal compressor, digital scroll compressor; Any one in low-pressure stage compressor, hiigh pressure stage compressor or two whiles, also can be variable conpacitance compressor (for example: frequency-changeable compressor, digital scroll compressor), or constant speed compressor.
In the scheme of above-mentioned all embodiment, compressing mechanism 1 can adopt any one in following compressor: piston compressor, screw compressor, helical-lobe compressor, rolling rotor compressor, sliding-vane compressor, rotary blade type compressor, centrifugal compressor, digital scroll compressor; Compressing mechanism 1 can be also 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 being formed by least one constant speed compressor; In addition, compressing mechanism 1 can be also the compressor bank of at least one variable conpacitance compressor and at least one constant speed compressor composition.
In the scheme of above-mentioned all embodiment, also can adopt magnetic valve, there is for example, in throttle mechanism (: electric expansion valve) or the flow control device of turn-off function any one and substitute any one or four all check valves in described the first check valve 21, the second check valve 22, the 3rd check valve 23 and the 4th check valve 24.
In the scheme of above-mentioned all embodiment, any one in first throttle mechanism 5, the second throttle mechanism 7 is the throttle mechanism with turn-off function, for example: electric expansion valve.
In the scheme of above-mentioned all embodiment, user's side heat exchanger 3, except being cold-producing medium-water-to-water heat exchanger, can be also the heat exchanger of cold-producing medium-air heat exchanger or other kind; During as cold-producing medium-water-to-water heat exchanger, user's side heat exchanger 3 adopts any one in plate type heat exchanger, volumetric heat exchanger, shell and tube exchanger or double pipe heat exchanger conventionally.Heat source side heat exchanger 4 is except can be cold-producing medium-air heat exchanger, also can be cold-producing medium-soil heat exchanger, cold-producing medium-water-to-water heat exchanger, also can be evaporating heat exchanger, can also be solar thermal collector, in addition, can be also the heat exchanger of other kind; During as cold-producing medium-water-to-water heat exchanger, heat source side heat exchanger 4 adopts any one in plate type heat exchanger, volumetric heat exchanger, shell and tube exchanger or double pipe heat exchanger conventionally.
Hot-water heater 8 be except can be cold-producing medium-water-to-water heat exchanger, and hot-water heater 8 can be also cold-producing medium-air heat exchanger, solution heater or solution regenerator or according to the heat exchanger that uses other kind needing; During as cold-producing medium-water-to-water heat exchanger, hot-water heater 8 adopts any one in volumetric heat exchanger, plate type heat exchanger, shell and tube exchanger or double pipe heat exchanger conventionally, or the heat exchanger of other kind as required.
Any one in user's side heat exchanger 3, heat source side heat exchanger 4 or hot-water heater 8 is during as cold-producing medium-air heat exchanger, conventionally adopt finned heat exchanger, the fin of described finned heat exchanger is generally aluminum or aluminum alloy material, also uses copper material in some special occasions.That the shape of fin adopts is conventionally plate, any one in ripple type or slitted fin type.
In the scheme of above-mentioned all embodiment, one or more, the even all water flow control valves in described the first water flow control valve 121, the second water flow control valve 122, the 3rd water flow control valve 123 can adopt magnetic valve or have any one in the flow control device of turn-off function and substitute.

Claims (10)

1. an operation of air conditioning systems, comprise compressing mechanism (1), cross valve (2), user's side heat exchanger (3), heat source side heat exchanger (4) and first throttle mechanism (5), it is characterized in that: this operation of air conditioning systems also comprises the second throttle mechanism (7), hot-water heater (8), the first check valve (21), the second check valve (22) and the 3rd check valve (23), the high pressure node (71) of described cross valve (2) is connected with compressing mechanism (1) port of export by the 60 pipeline (60), the low pressure node (73) of described cross valve (2) is connected with compressing mechanism (1) arrival end by the 63 pipeline (63), any one node (72) in (2) two commutation nodes of described cross valve is successively by the 64 pipeline (64), the second check valve (22) port of export, the second check valve (22) arrival end, the 66 pipeline (66), first throttle mechanism (5), the 62 pipeline (62), the 3rd check valve (23) arrival end, the 3rd check valve (23) port of export, the first check valve (21) port of export, the first check valve (21) arrival end is connected with the 64 pipeline (64) of described the second check valve (22) port of export,
Described hot-water heater (8) refrigerant side arrival end is connected with the pipeline between described the first check valve (21) port of export and the 3rd check valve (23) port of export by the 69 pipeline (69), described hot-water heater (8) the refrigerant side port of export is successively through the 68 pipeline (68), the second throttle mechanism (7), heat source side heat exchanger (4) arrival end, heat source side heat exchanger (4) port of export, the 70 pipeline (70) is connected with the 66 pipeline (66) between described the second check valve (22) arrival end and first throttle mechanism (5),
Another commutation node (74) of described cross valve (2) is connected by any one connected node in two connected nodes of the 61 pipeline (61) and described user's side heat exchanger (3) refrigerant side, and another connected node of described user's side heat exchanger (3) refrigerant side is connected with the 62 pipeline (62) between described the 3rd check valve (23) arrival end and first throttle mechanism (5).
2. an operation of air conditioning systems, comprise compressing mechanism (1), cross valve (2), user's side heat exchanger (3), heat source side heat exchanger (4) and first throttle mechanism (5), it is characterized in that: this operation of air conditioning systems also comprises the second throttle mechanism (7), hot-water heater (8), liquid reservoir (9), the first check valve (21), the second check valve (22), the 3rd check valve (23) and the 4th check valve (24), the high pressure node (71) of described cross valve (2) is connected with compressing mechanism (1) port of export by the 60 pipeline (60), the low pressure node (73) of described cross valve (2) is connected with compressing mechanism (1) arrival end by the 63 pipeline (63), and any one node (72) in (2) two commutation nodes of described cross valve is successively through the 64 pipeline (64), the second check valve (22) port of export, the second check valve (22) arrival end, the 66 pipeline (66), the 4th check valve (24) arrival end, the 4th check valve (24) port of export, the 67 pipeline (67), liquid reservoir (9), the 65 pipeline (65), first throttle mechanism (5), the 62 pipeline (62), the 3rd check valve (23) arrival end, the 3rd check valve (23) port of export, the first check valve (21) port of export, the first check valve (21) arrival end is connected with the 64 pipeline (64) of described the second check valve (22) port of export,
Described hot-water heater (8) refrigerant side arrival end is connected with the pipeline between described the first check valve (21) port of export and the 3rd check valve (23) port of export by the 69 pipeline (69), described hot-water heater (8) the refrigerant side port of export is successively through the 68 pipeline (68), the second throttle mechanism (7), heat source side heat exchanger (4) arrival end, heat source side heat exchanger (4) port of export, the 70 pipeline (70) is connected with the 66 pipeline (66) between described the second check valve (22) arrival end and the 4th check valve (24) arrival end,
Another commutation node (74) of described cross valve (2) is connected by any one connected node in two connected nodes of the 61 pipeline (61) and described user's side heat exchanger (3) refrigerant side, and another connected node of described user's side heat exchanger (3) refrigerant side is connected with the 62 pipeline (62) between described the 3rd check valve (23) arrival end and first throttle mechanism (5).
3. operation of air conditioning systems according to claim 1 and 2, it is characterized in that described compressing mechanism (1) is made up of at least one low-pressure stage compressor (1-1) and at least one hiigh pressure stage compressor (1-2), described low-pressure stage compressor (1-1) arrival end is connected with described cross valve (2) low pressure node (73) by the 63 pipeline (63), gas supplementing opening (A) in the middle of described low-pressure stage compressor (1-1) port of export passes through successively, hiigh pressure stage compressor (1-2) arrival end, hiigh pressure stage compressor (1-2) port of export, the 60 pipeline 60 is connected with the high pressure node (71) of described cross valve (2).
4. operation of air conditioning systems according to claim 1 and 2, it is characterized in that an oil eliminator (90) arrival end is connected with described compressing mechanism (1) port of export, described oil eliminator (90) port of export is connected with the high pressure node (71) of described cross valve (2) by the 60 pipeline (60).
5. operation of air conditioning systems according to claim 1 and 2, it is characterized in that a gas-liquid separator (91) port of export is connected with described compressing mechanism (1) arrival end, described gas-liquid separator (91) arrival end is connected with described cross valve (2) low pressure node (73) by the 63 pipeline (63).
6. operation of air conditioning systems according to claim 1 and 2, is characterized in that described first throttle mechanism (5) is electric expansion valve.
7. operation of air conditioning systems according to claim 1 and 2, is characterized in that described the second throttle mechanism (7) is electric expansion valve.
8. operation of air conditioning systems according to claim 2, the one end that it is characterized in that one first flow direction control valve is connected with described liquid reservoir (9), and the other end of described the first flow direction control valve is connected with the middle gas supplementing opening (A) of described compressing mechanism (1).
9. operation of air conditioning systems according to claim 2, it is characterized in that one second flow direction control valve one end is connected with the 68 pipeline (68) between described hot-water heater (8) the refrigerant side port of export and the second throttle mechanism (7), the described second flow direction control valve other end and described liquid reservoir (9), the 67 pipeline (67) between described liquid reservoir (9) and the 4th check valve (24) port of export, any place in the 65 pipeline (65) between described liquid reservoir (9) and first throttle mechanism (5) is connected.
10. operation of air conditioning systems according to claim 9, the one end that it is characterized in that one first flow direction control valve is connected with described liquid reservoir (9), and the other end of described the first flow direction control valve is connected with the middle gas supplementing opening (A) of described compressing mechanism (1).
CN201210057854.4A 2012-01-29 2012-02-27 Air conditioner refrigerating device Expired - Fee Related CN102563968B (en)

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CN201210029317.9 2012-01-29
CN201210057854.4A CN102563968B (en) 2012-01-29 2012-02-27 Air conditioner refrigerating device

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CN101084404A (en) * 2005-06-03 2007-12-05 开利公司 Refrigerant system with water heating
CN101089517A (en) * 2006-06-12 2007-12-19 扬州辛普森中央空调制造有限公司 Air-cooled water-cooled two-evaporimeter hot-water machine set
CN201866989U (en) * 2010-05-27 2011-06-15 无锡同方人工环境有限公司 Household energy recovery tri-generation unit

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