CN201787768U

CN201787768U - Air conditioning refrigeration device

Info

Publication number: CN201787768U
Application number: CN2010205104080U
Authority: CN
Inventors: 刘雄
Original assignee: Individual
Current assignee: Individual
Priority date: 2010-07-20
Filing date: 2010-08-22
Publication date: 2011-04-06
Anticipated expiration: 2020-08-22
Also published as: CN101949614B; CN101949614A

Abstract

The utility model discloses an air conditioning refrigeration device, which comprises a compression mechanism, a first four-way valve, a second four-way valve, a first throttle mechanism, a second throttle mechanism, a user-side heat exchanger, a heat source side heat exchanger, a heater, a capillary tube, a first flow direction control valve and a second flow direction control valve. A high pressure node of the first four-way valve is connected with an outlet end of the compression mechanism through a sixtieth pipeline, a lower pressure node of the first four-way valve is connected with an inlet end of the compression mechanism through a sixty-third pipeline, and optional one of two reversing nodes of the first four-way valve is connected with the other reversing node of the first four-way valve respectively through a sixty-fourth pipeline, the heat source side heat exchanger, the first throttle mechanism, a fifty-seventh pipeline, a fifty-second pipeline, the heater, a fifty-first pipeline, the first flow direction control valve and a sixty-first pipeline. The air conditioning refrigeration device is simple in structure, reliable in work and low in cost, and can realize multiple functions as refrigeration, heating, hot water production or dehumidification and the like.

Description

Operation of air conditioning systems

Technical field

The utility model relates to multi-functional air conditioner water heater and constant temperature and humidity unit, belongs to refrigeration technology field.

Background technology

The patent No. is 200710026952.0 patent of invention, relates to a kind of multifunctional heat pump hot-water multi-unit air conditioner, has separate refrigeration, heats, heats separately water separately, freezes simultaneously and heat water, heats and heat five kinds of functions such as water simultaneously.But it must be noted that: refrigeration and heat water function in the time of in this invention, the condensation heat that comes down to recycle in the process of refrigerastion and produced is produced hot water, its hot water amount is depended on refrigerating capacity, therefore, when above-mentioned air-conditioner is used for the bigger occasion of hot water amount, when perhaps using in the less time period of refrigerating capacity, the hot water amount who utilizes recuperation of heat to produce in refrigeration can not satisfy user's demand fully, so can influence user's normal use under many circumstances.

Summary of the invention

The purpose of this utility model provides a kind of multiple functional, not only have the double recuperation of heat of refrigeration and produce hot water function, and has the operation of air conditioning systems that to freeze simultaneously and to produce hot water function by the user, can in the whole year operation process, satisfy user's refrigeration, heating, domestic hot-water or dehumidifying demand.

In order to overcome the problem that above-mentioned technology exists, the technical scheme of the utility model technical solution problem is:

1, a kind of operation of air conditioning systems, comprise compressing mechanism, first cross valve, user side heat exchanger, heat source side heat exchanger and first throttle mechanism, it is characterized in that: this operation of air conditioning systems also comprises second throttle mechanism, heater, first flow direction control valve, second flow direction control valve and second cross valve; Described second cross valve has high pressure node, low pressure node, often opens node, four connected nodes of normally closed node; The high pressure node of described first cross valve links to each other with the compressing mechanism port of export by the 60 pipeline, the low pressure node of first cross valve links to each other with the compressing mechanism arrival end by the 63 pipeline, any one node in two commutations of first cross valve node is successively by the 64 pipeline, heat source side heat exchanger, first throttle mechanism, the 57 pipeline, the 52 pipeline, heater, the 51 pipeline, first flow direction control valve, the 61 pipeline links to each other with another commutation node of first cross valve, described second flow direction control valve, one end links to each other with the 51 pipeline between first flow direction control valve and the heater, the second flow direction control valve other end links to each other with the 64 pipeline that the heat source side heat exchanger and first cross valve commutate between the node by the 62 pipeline, the high pressure node of described second cross valve links to each other by the 60 pipeline between the high pressure node of the 59 pipeline and the compressing mechanism port of export and first cross valve, the low pressure node of second cross valve links to each other by the 63 pipeline between the low pressure node of the 65 pipeline and the compressing mechanism arrival end and first cross valve, and the node of often opening of second cross valve passes through the 67 pipeline successively, the user side heat exchanger, second throttle mechanism, the 58 pipeline links to each other with the 57 pipeline with the 52 pipeline simultaneously.

2, a kind of operation of air conditioning systems, comprise compressing mechanism, first cross valve, user side heat exchanger, heat source side heat exchanger and first throttle mechanism, it is characterized in that: this operation of air conditioning systems also comprises second throttle mechanism, heater, first flow direction control valve, second flow direction control valve, second cross valve and capillary; The high pressure node of described first cross valve links to each other with the compressing mechanism port of export by the 60 pipeline, the low pressure node of first cross valve links to each other with the compressing mechanism arrival end by the 63 pipeline, any one node in two commutations of first cross valve node is successively by the 64 pipeline, heat source side heat exchanger, first throttle mechanism, the 57 pipeline, the 52 pipeline, heater, the 51 pipeline, first flow direction control valve, the 61 pipeline links to each other with another commutation node of first cross valve, described second flow direction control valve, one end links to each other with the 51 pipeline between first flow direction control valve and the heater, the second flow direction control valve other end links to each other with the 64 pipeline that the heat source side heat exchanger and first cross valve commutate between the node by the 62 pipeline, the high pressure node of described second cross valve links to each other by the 60 pipeline between the high pressure node of the 59 pipeline and the compressing mechanism port of export and first cross valve, the low pressure node of second cross valve links to each other by the 63 pipeline between the low pressure node of the 65 pipeline and the compressing mechanism arrival end and first cross valve, the node of often opening of second cross valve passes through the 67 pipeline successively, the user side heat exchanger, second throttle mechanism, the 58 pipeline links to each other with the 57 pipeline with the 52 pipeline simultaneously, described capillary one end links to each other with the 65 pipeline, and the capillary other end links to each other with the normally closed node of second cross valve by the 66 pipeline.

3, a kind of operation of air conditioning systems, comprise compressing mechanism, first cross valve, user side heat exchanger, heat source side heat exchanger and first throttle mechanism, it is characterized in that: this operation of air conditioning systems also comprises second throttle mechanism, the 3rd throttle mechanism, heater, first flow direction control valve, second flow direction control valve, second cross valve and capillary; The high pressure node of described first cross valve links to each other with the compressing mechanism port of export by the 60 pipeline, the low pressure node of first cross valve links to each other with the compressing mechanism arrival end by the 63 pipeline, any one node in two commutations of first cross valve node is successively by the 64 pipeline, heat source side heat exchanger, first throttle mechanism, the 57 pipeline, the 52 pipeline, the 3rd throttle mechanism, heater, the 51 pipeline, first flow direction control valve, the 61 pipeline links to each other with another commutation node of first cross valve, described second flow direction control valve, one end links to each other with the 51 pipeline between first flow direction control valve and the heater, the second flow direction control valve other end links to each other with the 64 pipeline that the heat source side heat exchanger and first cross valve commutate between the node by the 62 pipeline, the high pressure node of described second cross valve links to each other by the 60 pipeline between the high pressure node of the 59 pipeline and the compressing mechanism port of export and first cross valve, the low pressure node of second cross valve links to each other by the 63 pipeline between the low pressure node of the 65 pipeline and the compressing mechanism arrival end and first cross valve, the node of often opening of second cross valve passes through the 67 pipeline successively, the user side heat exchanger, second throttle mechanism, the 58 pipeline links to each other with the 57 pipeline with the 52 pipeline simultaneously, described capillary one end links to each other with the 65 pipeline, and the capillary other end links to each other with the normally closed node of second cross valve by the 66 pipeline.

More than three schemes by in system, setting up a liquid reservoir, can do further improvement, the connected mode of liquid reservoir is: first throttle mechanism links to each other with liquid reservoir by the 57 pipeline, second throttle mechanism links to each other with liquid reservoir by the 58 pipeline, and the 52 pipeline links to each other with any place of liquid reservoir, the 57 pipeline or the 58 pipeline.

The utility model compared with prior art, its beneficial effect is:

1. in running, multiple function be can realize as required, hot water, refrigeration, heating or dehumidifying produced;

2. not only can be in refrigeration, the condensation heat that relies on recuperation of heat to utilize in the process of refrigerastion to be produced, and can freeze simultaneously by user's needs and heat;

3. simple in structure, reliable operation, with low cost;

4. the utility model is applicable to industry and civilian refrigeration plant, is specially adapted to temperature and humidity is had the place of requirement, and the occasion that refrigeration, heating and domestic hot-water's demand are arranged.

Description of drawings

Fig. 1 is the utility model embodiment 1 structural representation;

Fig. 2 is that the utility model embodiment 1 changes the scenario-frame schematic diagram;

Fig. 3 is that the utility model embodiment 1 changes the scenario-frame schematic diagram;

Fig. 4 is the utility model embodiment 2 structural representations;

Fig. 5 is the utility model embodiment 3 structural representations;

Fig. 6 is the utility model embodiment 4 structural representations;

Fig. 7 is the utility model embodiment 5 structural representations;

Fig. 8 is the utility model embodiment 6 structural representations;

Fig. 9 is the utility model embodiment 7 structural representations;

Figure 10 is the utility model embodiment 8 structural representations;

Figure 11 is the utility model embodiment 9 structural representations;

Figure 12 is the utility model embodiment 10 structural representations;

Figure 13 is the utility model embodiment 11 structural representations.

The specific embodiment

Below in conjunction with accompanying drawing the utility model content is described in further detail.

Embodiment 1

As shown in Figure 1, present embodiment is a kind of air conditioner and water heater, is used for having the whole year refrigeration, heating and hot water demand's occasion.Entire equipment comprises following part: compressing mechanism 1, first cross valve 70, second cross valve 80, first throttle mechanism 4, second throttle mechanism 5, user side heat exchanger 3, heat source side heat exchanger 6, heater 8, capillary 9, first flow direction control valve 41 and second flow direction control valve 42; First throttle mechanism 4, second throttle mechanism 5, first flow direction control valve 41 and second flow direction control valve 42 are electric expansion valve.

The user side heat exchanger is user's refrigeration as evaporimeter 3 summers, and be user heating as condenser winter; Heat source side heat exchanger 6 both can be used as condenser, distributed the condensation heat that refrigeration produces in environment, also can be used as evaporimeter, absorbed heat from environment, was user's heating or production hot water; Heater 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 as 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.) by heat source side heat exchanger 6, and user side heat exchanger 3 is user's cooling.During work, first throttle mechanism 4 standard-sized sheets, second throttle mechanism, 5 operate as normal, first flow direction control valve 41 and second flow direction control valve 42 are closed.

Its workflow is: after cold-producing medium is discharged from compressing mechanism 1 port of export, often open node 84, second cross valve, 80 low pressure nodes the 83, the 65 pipeline the 65, the 63 pipeline 63 through the 60 pipeline 60, first cross valve, 70 high pressure nodes 71, first cross valve, 70 commutation nodes the 74, the 64 pipeline 64, heat source side heat exchanger 6, first throttle mechanism the 4, the 57 pipeline the 57, the 58 pipeline 58, second throttle mechanism 5, user side heat exchanger the 3, the 67 pipeline 67, second cross valve 80 successively, get back to compressing mechanism 1 arrival end.

(2) hot water is produced in the double full recuperation of heat of refrigeration

Under this function, whole condensation heat that heater 8 utilizes refrigeration to be produced are produced hot water; User side heat exchanger 3 is user's cooling.During work, first throttle mechanism 4 closes, second throttle mechanism, 5 operate as normal, and first flow direction control valve 41 is closed, second flow direction control valve, 42 standard-sized sheets.

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 commutation nodes 74, the 64 pipeline 64, the 62 pipeline 62, second flow direction control valve 42, the 51 pipeline 51, heater 8, the 52 pipeline 52, the 58 pipeline 58, second throttle mechanism 5, user side heat exchanger 3, the 67 pipeline 67, second cross valve 80 is often opened node 84, second cross valve, 80 low pressure nodes 83, the 65 pipeline 65, the 63 pipeline 63 is got back to compressing mechanism 1 arrival end.

(3) hot water is produced in the double partly recuperation of heat of refrigeration

Under this function, the part condensation heat that heater 8 utilizes refrigeration to be produced is produced hot water, and another part condensation heat enters environment by heat source side heat exchanger 6, and user side heat exchanger 3 is user's cooling.During work, first throttle mechanism 4, second throttle mechanism 5, second flow direction control valve 42 be operate as normal all, the first throttle mechanism 4 and second flow direction control valve 42 are respectively applied for the refrigerant flow of regulating by heat source side heat exchanger 6 and heater 8, and second throttle mechanism 5 is used for the cold-producing medium throttling; First flow direction control valve 41 is closed.

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 commutation nodes 74, enter the 64 pipeline 64 and be divided into two-way, one the tunnel passes through heat source side heat exchanger 6 successively, first throttle mechanism 4, the 57 pipeline 57, enter the 58 pipeline 58, another road is successively through the 62 pipeline 62, second flow direction control valve 42, the 51 pipeline 51, heater 8, the 52 pipeline 52, also enter the 58 pipeline 58, two-way is after the 58 pipeline 58 mixes, again successively through second throttle mechanism 5, user side heat exchanger 3, the 67 pipeline 67, second cross valve 80 is often opened node 84, second cross valve, 80 low pressure nodes 83, the 65 pipeline 65, the 63 pipeline 63 is got back to compressing mechanism 1 arrival end.

(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, heat source side heat exchanger 6 draw heat from environment, user side heat exchanger 3 is user's cooling, condensation heat that refrigeration is produced and the heat of drawing from environment all are used to produce hot water in heater 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 by heat source side heat exchanger 6 and user side heat exchanger 3; First flow direction control valve, 41 standard-sized sheets, second flow direction control valve 42 is closed.

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 commutation nodes 72, the 61 pipeline 61, first flow direction control valve 41, the 51 pipeline 51, heater 8, the 52 pipeline 52, after coming out, the 52 pipeline 52 is divided into two-way, one the tunnel successively through the 58 pipeline 58, second throttle mechanism 5, user side heat exchanger 3, the 67 pipeline 67, second cross valve 80 is often opened node 84, second cross valve, 80 low pressure nodes 83, the 65 pipeline 65, enter the 63 pipeline 63, another road is successively through the 57 pipeline 57, first throttle mechanism 4, heat source side heat exchanger 6, the 64 pipeline 64, first cross valve, 70 commutation nodes 74, first cross valve, 70 low pressure nodes 73, also enter the 63 pipeline 63, two-way is got back to compressing mechanism 1 arrival end after the 63 pipeline 63 mixes.

(5) produce hot water separately

Under this function, heat source side heat exchanger 6 draw heat from environment utilizes the heat of drawing, and produces hot water in heater 8.During work, first throttle mechanism 4 operate as normal, second throttle mechanism 5 cuts out; First flow direction control valve, 41 standard-sized sheets, second flow direction control valve 42 is closed; Second cross valve, 80 high pressure nodes 81 link to each other with normally closed node 82.

Its workflow is: after cold-producing medium is discharged from compressing mechanism 1 port of export, through the 60 pipeline 60, first cross valve, 70 high pressure nodes 71, first cross valve, 70 commutation nodes the 72, the 61 pipeline 61, first flow direction control valve the 41, the 51 pipeline 51, heater the 8, the 52 pipeline the 52, the 57 pipeline 57, first throttle mechanism 4, heat source side heat exchanger the 6, the 64 pipeline 64, first cross valve, 70 commutation nodes 74, first cross valve, 70 low pressure nodes the 73, the 63 pipeline 63, get back to compressing mechanism 1 arrival end successively.

(6) heating separately

Under this function, heat source side heat exchanger 6 draw heat from environment utilizes the heat of drawing, and is user's heating in user side heat exchanger 3.During work, first throttle mechanism 4 operate as normal, second throttle mechanism, 5 standard-sized sheets, first flow direction control valve 41 and second flow direction control valve 42 are closed.

Its workflow is: after cold-producing medium is discharged from compressing mechanism 1 port of export, often open node the 84, the 67 pipeline 67, user side heat exchanger 3, second throttle mechanism the 5, the 58 pipeline the 58, the 57 pipeline 57, first throttle mechanism 4, heat source side heat exchanger the 6, the 64 pipeline 64, first cross valve, 70 commutation nodes 74, first cross valve, 70 low pressure nodes the 73, the 63 pipeline 63 through the 60 pipeline the 60, the 59 pipeline 59, second cross valve, 80 high pressure nodes 81, second cross valve 80 successively, get back to compressing mechanism 1 arrival end.

(7) heat simultaneously and produce hot water

Under this function, heat source side heat exchanger 6 draw heat from environment, the heat of being drawn, a part of is user's heating in user side heat exchanger 3, another part is produced hot water in heater 8.During work, first throttle mechanism 4, second throttle mechanism 5, first flow direction control valve 41 be operate as normal all, second throttle mechanism 5 and first flow direction control valve 41 are respectively applied for the refrigerant flow of regulating by user side heat exchanger 3 and heater 8, and first throttle mechanism 4 is used for the cold-producing medium throttling; Second flow direction control valve 42 is closed.

Its workflow is: after cold-producing medium is discharged from compressing mechanism 1 port of export, enter the 60 pipeline 60 and be divided into two-way, one the tunnel successively through the 59 pipeline 59, second cross valve, 80 high pressure nodes 81, second cross valve 80 is often opened node 84, the 67 pipeline 67, user side heat exchanger 3, second throttle mechanism 5, the 58 pipeline 58, enter the 57 pipeline 57, another road is successively through first cross valve, 70 high pressure nodes 71, first cross valve, 70 commutation nodes 72, the 61 pipeline 61, first flow direction control valve 41, the 51 pipeline 51, heater 8, the 52 pipeline 52, also enter the 57 pipeline 57, two-way is after the 57 pipeline 57 mixes, pass through first throttle mechanism 4 more successively, heat source side heat exchanger 6, the 64 pipeline 64, first cross valve, 70 commutation nodes 74, first cross valve, 70 low pressure nodes 73, the 63 pipeline 63 is got back to compressing mechanism 1 arrival end.

(8) winter frost removing

Scheme one: when adopting contrary circulation hot gas defrosting, when utilizing user side heat exchanger 3 from indoor draw heat defrost, its workflow is identical with the separate refrigeration function.

Scheme two: under this function, utilize heater 8 draw heat from hot water, be heat source side heat exchanger 6 defrosts.During work, first throttle mechanism 4 operate as normal, second throttle mechanism 5 cuts out; First flow direction control valve, 41 standard-sized sheets, second flow direction control valve 42 is closed; Second cross valve, 80 high pressure nodes 81 link to each other with normally closed node 82.

Its workflow is: after cold-producing medium is discharged from compressing mechanism 1 port of export, through the 60 pipeline 60, first cross valve, 70 high pressure nodes 71, first cross valve, 70 commutation nodes the 74, the 64 pipeline 64, heat source side heat exchanger 6, first throttle mechanism the 4, the 57 pipeline the 57, the 52 pipeline 52, heater the 8, the 51 pipeline 51, first flow direction control valve the 41, the 61 pipeline 61, first cross valve, 70 commutation nodes 72, first cross valve, 70 low pressure nodes the 73, the 63 pipeline 63, get back to compressing mechanism 1 arrival end successively.

Present embodiment scheme shown in Figure 1 when wherein capillary 9 is substituted by the 7th flow direction control valve 47 and the 7th check valve 27 respectively, has following two variation schemes.

Variation scheme one: when capillary 9 is substituted by the 7th flow direction control valve 47 (as shown in Figure 2)

Its connected mode is: the 7th flow direction control valve 47 1 ends link to each other with the 65 pipeline 65, and the 7th flow direction control valve 47 other ends link to each other with the normally closed node 82 of second cross valve 80 by the 66 pipeline 66.In the course of work, when the 7th flow direction control valve 47 is closed, can realize the above-described all functions of present embodiment scheme shown in Figure 1.In the practical application, the 7th flow direction control valve 47 can adopt magnetic valve or other to have the valve of turn-off function, as electric expansion valve.

Variation scheme two: when capillary 9 is substituted by the 7th check valve 27 (as shown in Figure 3)

Its connected mode is: the 7th check valve 27 arrival ends link to each other with the 65 pipeline 65, and the 7th check valve 27 ports of export link to each other with the normally closed node 82 of second cross valve 80 by the 66 pipeline 66.In the course of work, scheme shown in Figure 3 also can realize the above-described all functions of present embodiment scheme shown in Figure 1.

More than two variation schemes be applicable to all embodiment that have capillary 9 in the utility model.

Embodiment 2

As shown in Figure 4, with the difference of embodiment 1 be to have increased a liquid reservoir 50 in the system, its connected mode is: first throttle mechanism 4 links to each other with liquid reservoir 50 by the 57 pipeline 57, second throttle mechanism 5 links to each other with liquid reservoir 50 by the 58 pipeline 58, and the 52 pipeline 52 links to each other with any place of liquid reservoir the 50, the 57 pipeline 57 or the 58 pipeline 58.Shown in Figure 4, present embodiment the 52 pipeline 52 is to link to each other with liquid reservoir 50.

The above scheme of present embodiment has following two improvement projects by increase by one the 8th flow direction control valve 48 in system.

One: the eight flow direction control valve 48 1 ends of scheme link to each other with the middle gas supplementing opening A of compressing mechanism 1, and the 8th flow direction control valve 48 other ends link to each other with liquid reservoir 50.In the course of work, when the 8th flow direction control valve 48 was opened, this improvement project can realize the middle tonifying Qi of compression process, so can improve the service behaviour under the service behaviour of equipment, particularly low temperature environment.

Two: the eight flow direction control valve 48 1 ends of scheme link to each other with the 63 pipeline 63 between compressing mechanism 1 arrival end and the cross valve 2 low pressure nodes 73, and the 8th flow direction control valve 48 other ends link to each other with liquid reservoir 50.In the course of work, when the 8th flow direction control valve 48 was opened, this improvement project can make the cold-producing medium in the liquid reservoir 50 obtain bigger degree of supercooling.

In above-mentioned two improvement projects, the 8th flow direction control valve 48 can adopt electric expansion valve or other throttling arrangement.

In addition, shown in Figure 4, when present embodiment is used for the multiple central air conditioner system, have two groups of user side heat exchangers 3 in the system at least, its connected mode is: an end of described user side heat exchanger 3 links to each other with the 67 pipeline 67 respectively, and the other end of described user side heat exchanger 3 links to each other with the 58 pipeline 58 by second throttle mechanism 5 respectively.

The above scheme of present embodiment is applicable to all embodiment of the present utility model.

Embodiment 3

As shown in Figure 5, with the difference of embodiment 1 be to have increased by one the 3rd throttle mechanism 7 in the system, its connected mode is: the 3rd throttle mechanism 7 one ends link to each other with heater 8, the 3rd throttle mechanism 7 other ends link to each other with the 52 pipeline 52.As shown in Figure 5, at this moment, first flow direction control valve 41 and second flow direction control valve 42 can be substituted by first check valve 21 and second check valve 22 respectively.Their connected mode is: first check valve, 21 arrival ends link to each other with the 61 pipeline 61, first check valve, 21 ports of export link to each other with heater 8 by the 51 pipeline 51, second check valve, 22 ports of export link to each other with the 51 pipeline 51 between first check valve, 21 ports of export and the heater 8, and second check valve, 22 arrival ends link to each other with the 62 pipeline 62.

Present embodiment scheme shown in Figure 5 also can realize the function of embodiment 1 scheme shown in Figure 1, and its workflow is identical with the workflow of embodiment 1 corresponding function.In the course of work, the 3rd throttle mechanism 7 is used to control and regulate the refrigerant flow by heater 8.Under each function, the duty of three throttle mechanisms is as follows.

1) separate refrigeration

First throttle mechanism 4 standard-sized sheets, second throttle mechanism, 5 operate as normal, the 3rd throttle mechanism 7 cuts out.

2) hot water is produced in the double full recuperation of heat of refrigeration

First throttle mechanism 4 closes, second throttle mechanism, 5 operate as normal, the 3rd throttle mechanism 7 standard-sized sheets.

3) hot water is produced in the double partly recuperation of heat of refrigeration

First throttle mechanism 4, second throttle mechanism 5, the 3rd throttle mechanism 7 be operate as normal all.

4) need freeze simultaneously by the user and produce hot water

First throttle mechanism 4, second throttle mechanism 5 be operate as normal all, the 3rd throttle mechanism 7 standard-sized sheets.

5) produce hot water separately

First throttle mechanism 4 operate as normal, second throttle mechanism 5 cuts out, the 3rd throttle mechanism 7 standard-sized sheets,

6) heating separately

First throttle mechanism 4 operate as normal, second throttle mechanism, 5 standard-sized sheets, the 3rd throttle mechanism 7 cuts out.

7) heat simultaneously and produce hot water

8) winter frost removing (scheme is for utilizing user side heat exchanger 3 from indoor draw heat defrost)

Embodiment 4

As shown in Figure 6, the difference with embodiment 1 is: compressing mechanism 1 is made up of low pressure compressor 1-1, high pressure compressor 1-2, the 5th check valve 25, the 6th check valve 26 and the 6th flow direction control valve 46.

Their connected mode is; Low pressure compressor 1-1 arrival end links to each other with the 63 pipeline 63, the low pressure compressor 1-1 port of export is by the 5th check valve 25 arrival ends, the 5th check valve 25 ports of export link to each other with the 60 pipeline 60, the high pressure compressor 1-2 port of export links to each other with the 60 pipeline 60 of the 5th check valve 25 ports of export, high pressure compressor 1-2 arrival end is by the 6th check valve 26 ports of export, the 6th check valve 26 arrival ends link to each other with the 63 pipeline 63 of low pressure compressor 1-1 arrival end, the 6th flow direction control valve 46 1 ends link to each other with pipeline between the low pressure compressor 1-1 port of export and the 5th check valve 25 arrival ends, the 6th flow direction control valve 46 other ends link to each other with pipeline between the high pressure compressor 1-2 arrival end and the 6th check valve 26 ports of export, the 65 pipeline 65 1 ends link to each other with the low pressure node 83 of second cross valve 80, and pipeline between the 65 pipeline 65 other ends and the high pressure compressor 1-2 arrival end and the 6th check valve 26 ports of export or the pipeline between high pressure compressor 1-2 arrival end and the 6th flow direction control valve 46 link to each other.

As shown in Figure 6, present embodiment the 65 pipeline 65 other ends be with the high pressure compressor 1-2 arrival end and the 6th check valve 26 ports of export between pipeline link to each other.

Present embodiment scheme shown in Figure 6, when the 6th flow direction control valve 46 is closed, no matter low pressure compressor 1-1, high pressure compressor 1-2 are the separate unit operations, or parallel running, can realize the described function of embodiment 1 scheme shown in Figure 1; When the 6th flow direction control valve 46 standard-sized sheets, and low pressure compressor 1-1, when high pressure compressor 1-2 moves simultaneously, scheme shown in Figure 6 realizes producing separately in the process of hot water function in the winter time, can realize two thermal source twin-stage compressing hot pumps circulations.On the one hand, the cold-producing medium that utilizes medium temperature and medium pressure in user side heat exchanger 3 from user's hot-water heating system draw heat, on the other hand, utilize low-temperature low-pressure refrigerant in heat source side heat exchanger 6 from environment draw heat, heat of drawing from user's hot-water heating system and the heat of drawing from environment all are used to produce hot water in heater 8.

During two thermal source twin-stage compressing hot pump periodic duty, first throttle mechanism 4, second throttle mechanism, 5 operate as normal; First flow direction control valve 41 and the 6th flow direction control valve 46 standard-sized sheets, second flow direction control valve 42 is closed; Low pressure compressor 1-1, high pressure compressor 1-2 move simultaneously.

Its workflow is: after cold-producing medium is discharged from the compressing mechanism 1 high pressure compressor 1-2 port of export, successively through the 60 pipeline 60, first cross valve, 70 high pressure nodes 71, first cross valve, 70 commutation nodes 72, the 61 pipeline 61, first flow direction control valve 41, the 51 pipeline 51, heater 8, the 52 pipeline 52, after coming out, the 52 pipeline 52 is divided into two-way, one the tunnel successively through the 58 pipeline 58, second throttle mechanism 5, user side heat exchanger 3, the 67 pipeline 67, second cross valve 80 is often opened node 84, second cross valve, 80 low pressure nodes 83, the 65 pipeline 65, enter high pressure compressor 1-2 arrival end pipeline, another road is successively through the 57 pipeline 57, first throttle mechanism 4, heat source side heat exchanger 6, the 64 pipeline 64, first cross valve, 70 commutation nodes 74, first cross valve, 70 low pressure nodes 73, the 63 pipeline 63, low pressure compressor 1-1, the 6th flow direction control valve 46, also enter high pressure compressor 1-2 arrival end pipeline, two-way is got back to high pressure compressor 1-2 and is compressed once more after high pressure compressor 1-2 arrival end mixes.

Embodiment 5

As shown in Figure 7, present embodiment is a kind of thermostatic and humidistatic air conditioning unit group, is used for that refrigeration is arranged the whole year, the occasion of heating and dehumidifying demand.With the difference of embodiment 1 be: 1) user side heat exchanger 3, heater 8 are arranged in the same air conditioner unit 30, and along the flow direction of air, heater 8 is in the downwind side of user side heat exchanger 3; 2) have additional two temperature-detecting devices, their set-up mode is: along the flow direction of air, first temperature-detecting device 31 is arranged at the inlet side of user side heat exchanger 3, and second temperature-detecting device 32 is arranged at the air side of heater 8.

This operation of air conditioning systems can realize multiple function in the whole year operation process.During work, 6 summers of heat source side heat exchanger and spring and autumn distribute the condensation heat that is produced in refrigeration or the dehumidification process as condenser to environment, and from environment absorb heat as evaporimeter winter, is used to add hot-air; User side heat exchanger 3 is cooling and the heating heat exchangers in the air conditioner unit 30, during as cooler, can realize the cooling or the dehumidifying of air, during as heater, can realize the heating of air; Heater 8 is the reheaters in the air conditioner unit 30, is used for the heating of air or hot again, the control wind pushing temperature.Workflow under each function is as 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.) by heat source

side heat exchanger

6, and 3 pairs of air of user side heat exchanger cool off or cool-down dehumidification.During work, first throttle mechanism 4 standard-sized sheets, second throttle mechanism, 5 operate as normal, first flow direction control valve 41 and second flow direction control valve 42 are closed.

Its workflow is identical with the separate refrigeration function of embodiment 1 scheme shown in Figure 1.

(2) refrigerated dehumidification hold concurrently air again heat

Under this function, 3 pairs of air of user side heat exchanger carry out cool-down dehumidification, and the condensation heat some that dehumidifying is produced utilizes heat source side heat exchanger 6 to enter environment, and another partly is used for the heat again of air in heater 8.

During work, first throttle mechanism 4, second throttle mechanism 5, second flow direction control valve 42 be operate as normal all, the first throttle mechanism 4 and second flow direction control valve 42 are respectively applied for the refrigerant flow of regulating by heat source side heat exchanger 6 and heater 8, and second throttle mechanism 5 is used for the cold-producing medium throttling; First flow direction control valve 41 is closed.

Its workflow is held concurrently with the refrigeration of embodiment 1 scheme shown in Figure 1, and partly recuperation of heat production hot water function is identical.

In the course of work, the control strategy of air conditioner unit 30 outlet air temperatures is: the heater 8 outlet air dry-bulb temperatures that controller 20 is detected according to the air conditioner unit 30 outlet air dry-bulb temperatures of setting and second temperature-detecting device 32, the aperture of the control first throttle mechanism 4 and second flow direction control valve 42, regulate refrigerant flow, realize control air conditioner unit 30 outlet air temperatures by heat source side heat exchanger 6 and heater 8.

The control method of 20 pairs of air conditioner unit 30 outlet air temperatures of controller has following three kinds of modes: the aperture of 1) setting first throttle mechanism 4 is a definite value, by regulating the aperture of second flow direction control valve 42, realizes the control to outlet air temperature; 2) aperture of setting second flow direction control valve 42 is a definite value, by regulating the aperture of first throttle mechanism 4, realizes the control to outlet air temperature; 3) regulate the aperture of the first throttle mechanism 4 and second flow direction control valve 42 simultaneously, realize control outlet air temperature.

(3) heating of winter air

Under this function, heat source side heat exchanger 6 draw heat from environment, the heat of being drawn are used for the heating of air in user side heat exchanger 3 and heater 8.

During work, first throttle mechanism 4, second throttle mechanism 5, first flow direction control valve 41 be operate as normal all, second throttle mechanism 5 and first flow direction control valve 41 are respectively applied for the refrigerant flow of regulating by user side heat exchanger 3 and heater 8, and first throttle mechanism 4 is used for the cold-producing medium throttling; Second flow direction control valve 42 is closed.

Its workflow with embodiment 1 scheme shown in Figure 1 time heating with to produce hot water function identical.

(4) winter frost removing

Under this function, user side heat exchanger 3 absorbs heat from air, make the air cooling-down dehumidifying, the condensation heat some that dehumidifying is produced is used for the defrosting of heat source side heat exchanger 6, another partly is used for the heat again of air in heater 8, be desired value with the dry-bulb temperature that guarantees air conditioner unit 30 outlet airs.

Its workflow is held concurrently with the refrigerated dehumidification of present embodiment, and hot merit can be identical again for air.

During defrosting, the control method of air conditioner unit 30 outlet air dry-bulb temperatures is as follows: the temperature signal that first temperature-detecting device 31, second temperature-detecting device 32 are detected all is passed to controller 20, the heater 8 outlet air dry-bulb temperatures that controller 20 is detected according to second temperature-detecting device 32, regulate the aperture of the first throttle mechanism 4 and second flow direction control valve 42, make the outlet air dry-bulb temperature of heater 8 be maintained desired value.Usually the desired value of heater 8 outlet air dry-bulb temperatures equals user side heat exchanger 3 intake air dry-bulb temperatures.

The control method of 20 pairs of air conditioner unit 30 outlet air temperatures of controller also has three kinds of modes, and is identical in the refrigerated dehumidification method that air adopted under the hot merit energy again of holding concurrently with present embodiment.

(5) the double air heat of dehumidifying in winter

In this function, heat source side heat exchanger 6 draw heat from environment, 3 pairs of room airs of user side heat exchanger carry out cool-down dehumidification, and condensation heat that dehumidifying is produced and the heat of drawing from environment all are used for the heating of air in heater 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 by heat source side heat exchanger 6 and user side heat exchanger 3; First flow direction control valve, 41 standard-sized sheets, second flow direction control valve 42 is closed.

When indoor and outdoor temperature differs hour, need the freezing simultaneously and to produce hot water function identical of its workflow and embodiment 1 scheme shown in Figure 1 by the user.But for cold district, when indoor and outdoor temperature differs big, be to improve operational efficiency, compressing mechanism 1 can adopt embodiment 4 composition proposal shown in Figure 6, and its workflow also correspondingly adopts the circulation of 4 described pairs of thermal source twin-stages of embodiment compressing hot pump.Utilize medium temperature and medium pressure refrigerant processes room air, realize dehumidifying, utilize low-temperature low-pressure refrigerant draw heat from outdoor air simultaneously, condensation heat that dehumidifying is produced and the heat of drawing from outdoor air all are used to add hot-air.

Embodiment 6

As shown in Figure 8, present embodiment also is a kind of thermostatic and humidistatic air conditioning unit group.With the difference of embodiment 3 be: 1) user side heat exchanger 3, heater 8 are arranged in the same air conditioner unit 30, and along the flow direction of air, heater 8 is in the downwind side of user side heat exchanger 3; 2) have additional two temperature-detecting devices, its set-up mode is: along the flow direction of air, first temperature-detecting device 31 is arranged at the inlet side of user side heat exchanger 3, and second temperature-detecting device 32 is arranged at the air side of heater 8.

(1) separate refrigeration

side heat exchanger

6, and 3 pairs of air of user side heat exchanger cool off or cool-down dehumidification.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: after cold-producing medium is discharged from compressing mechanism 1 port of export, often open node 84, second cross valve, 80 low pressure nodes the 83, the 65 pipeline the 65, the 63 pipeline 63 through the 60 pipeline 60, first cross valve, 70 high pressure nodes 71, first cross valve, 70 commutation nodes the 74, the 64 pipeline 64, heat source side heat exchanger 6, first throttle mechanism the 4, the 57 pipeline the 57, the 58 pipeline 58, second throttle mechanism 5, user side heat exchanger the 3, the 67 pipeline 67, second cross valve 80 successively, get back to compressing mechanism 1 arrival end.

(2) refrigerated dehumidification hold concurrently air again heat

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 by heat source side heat exchanger 6 and heater 8, and second throttle mechanism 5 is used for the cold-producing medium throttling.

Its workflow: 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 commutation nodes 74, enter the 64 pipeline 64 and be divided into two-way, one the tunnel passes through heat source side heat exchanger 6 successively, first throttle mechanism 4, the 57 pipeline 57, enter the 58 pipeline 58, another road is successively through the 62 pipeline 62, second check valve, 22 arrival ends, second check valve, 22 ports of export, the 51 pipeline 51, heater 8, the 3rd throttle mechanism 7, the 52 pipeline 52, also enter the 58 pipeline 58, two-way is after the 58 pipeline 58 mixes, again successively through second throttle mechanism 5, user side heat exchanger 3, the 67 pipeline 67, second cross valve 80 is often opened node 84, second cross valve, 80 low pressure nodes 83, the 65 pipeline 65, the 63 pipeline 63 is got back to compressing mechanism 1 arrival end.

In the course of work, the control strategy of air conditioner unit 30 outlet air temperatures is: the heater 8 outlet air dry-bulb temperatures that controller 20 is detected according to the air conditioner unit 30 outlet air dry-bulb temperatures of setting and second temperature-detecting device 32, the aperture of control first throttle mechanism 4 and the 3rd throttle mechanism 7, regulate refrigerant flow, realize control air conditioner unit 30 outlet air temperatures by heat source side heat exchanger 6 and heater 8.

The control method of 20 pairs of air conditioner unit 30 outlet air temperatures of controller has following three kinds of modes: the aperture of 1) setting first throttle mechanism 4 is a definite value, by regulating the aperture of the 3rd throttle mechanism 7, realizes the control to outlet air temperature; 2) aperture of setting the 3rd throttle mechanism 7 is a definite value, by regulating the aperture of first throttle mechanism 4, realizes the control to outlet air temperature; 3) regulate the aperture of first throttle mechanism 4 and the 3rd throttle mechanism 7 simultaneously, realize control outlet air temperature.

(3) heating of winter air

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 by user side heat exchanger 3 and heater 8, and first throttle mechanism 4 is used for the cold-producing medium throttling.

Its workflow is: after cold-producing medium is discharged from compressing mechanism 1 port of export, enter the 60 pipeline 60 and be divided into two-way, one the tunnel successively through the 59 pipeline 59, second cross valve, 80 high pressure nodes 81, second cross valve 80 is often opened node 84, the 67 pipeline 67, user side heat exchanger 3, second throttle mechanism 5, the 58 pipeline 58, enter the 57 pipeline 57, another road is successively through first cross valve, 70 high pressure nodes 71, first cross valve, 70 commutation nodes 72, the 61 pipeline 61, first check valve, 21 arrival ends, first check valve, 21 ports of export, the 51 pipeline 51, heater 8, the 3rd throttle mechanism 7, the 52 pipeline 52, also enter the 57 pipeline 57, two-way is after the 57 pipeline 57 mixes, pass through first throttle mechanism 4 more successively, heat source side heat exchanger 6, the 64 pipeline 64, first cross valve, 70 commutation nodes 74, first cross valve, 70 low pressure nodes 73, the 63 pipeline 63 is got back to compressing mechanism 1 arrival end.

(4) winter frost removing

Under this function, user side heat exchanger 3 absorbs heat from room air, make the air cooling-down dehumidifying, the condensation heat some that dehumidifying is produced is used for the defrosting of heat source side heat exchanger 6, another partly is used for the heat again of air in heater 8, be desired value with the dry-bulb temperature that guarantees air conditioner unit 30 outlet airs.

During defrosting, the control method of air conditioner unit 30 outlet air dry-bulb temperatures is as follows: the temperature signal that first temperature-detecting device 31, second temperature-detecting device 32 are detected all is passed to controller 20, the heater 8 outlet air dry-bulb temperatures that controller 20 is detected according to second temperature-detecting device 32, regulate the aperture of first throttle mechanism 4 and the 3rd throttle mechanism 7, make the outlet air dry-bulb temperature of heater 8 be maintained desired value.Usually the desired value of heater 8 outlet air dry-bulb temperatures equals user side heat exchanger 3 intake air dry-bulb temperatures.

(5) the double air heat of dehumidifying in winter

During work, first throttle mechanism 4, second throttle mechanism 5 be operate as normal all, is respectively applied for the refrigerant flow of regulating by heat source side heat exchanger 6 and user side heat exchanger 3; The 3rd throttle mechanism 7 standard-sized sheets.

When indoor and outdoor temperature differs hour, its workflow: 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 commutation nodes 72, the 61 pipeline 61, first check valve, 21 arrival ends, first check valve, 21 ports of export, the 51 pipeline 51, heater 8, the 3rd throttle mechanism 7, the 52 pipeline 52, after coming out, the 52 pipeline 52 is divided into two-way, one the tunnel successively through the 58 pipeline 58, second throttle mechanism 5, user side heat exchanger 3, the 67 pipeline 67, second cross valve 80 is often opened node 84, second cross valve, 80 low pressure nodes 83, the 65 pipeline 65, enter the 63 pipeline 63, another road is successively through the 57 pipeline 57, first throttle mechanism 4, heat source side heat exchanger 6, the 64 pipeline 64, first cross valve, 70 commutation nodes 74, first cross valve, 70 low pressure nodes 73, also enter the 63 pipeline 63, two-way is got back to compressing mechanism 1 arrival end after the 63 pipeline 63 mixes.

For cold district, when indoor and outdoor temperature differs big, be to improve operational efficiency, the compressing mechanism 1 of present embodiment can adopt embodiment 4 scheme shown in Figure 6, and its workflow also correspondingly adopts the circulation of 4 described pairs of thermal source twin-stages of embodiment compressing hot pump.Utilize medium temperature and medium pressure refrigerant processes room air, realize dehumidifying, utilize low-temperature low-pressure refrigerant draw heat from outdoor air simultaneously, condensation heat that dehumidifying is produced and the heat of drawing from outdoor air all are used to add hot-air.

Embodiment 7

As shown in Figure 9, present embodiment also is a kind of air conditioner and water heater.With the difference of embodiment 1 be: adopt the 4th flow direction control valve 44 and the 5th flow direction control valve 45 to substitute second cross valve 80 and capillary 9.The connected mode of the 4th flow direction control valve 44 and the 5th flow direction control valve 45 is: the 4th flow direction control valve 44 1 ends link to each other with user side heat exchanger 3 by the 67 pipeline 67, the 4th flow direction control valve 44 other ends link to each other by 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 5th flow direction control valve 45 1 ends link to each other with the 67 pipeline 67 between user side heat exchanger 3 and the 4th flow direction control valve 44, and the 5th flow direction control valve 45 other ends link to each other by the 63 pipeline 63 between the low pressure node 73 of the 65 pipeline 65 and compressing mechanism 1 arrival end and first cross valve 70.

Present embodiment also can be realized the function of embodiment 1 scheme shown in Figure 1, and the workflow under each function is as described below respectively.

(1) separate refrigeration

During work, first throttle mechanism 4 standard-sized sheets, second throttle mechanism, 5 operate as normal, first flow direction control valve 41, second flow direction control valve 42 and the 4th flow direction control valve 44 are closed, the 5th flow direction control valve 45 standard-sized sheets.

Its workflow is: after cold-producing medium is discharged from compressing mechanism 1 port of export, through the 60 pipeline 60, first cross valve, 70 high pressure nodes 71, first cross valve, 70 commutation nodes the 74, the 64 pipeline 64, heat source side heat exchanger 6, first throttle mechanism the 4, the 57 pipeline the 57, the 58 pipeline 58, second throttle mechanism 5, user side heat exchanger the 3, the 67 pipeline 67, the 5th flow direction control valve the 45, the 65 pipeline the 65, the 63 pipeline 63, get back to compressing mechanism 1 arrival end successively.

During work, first throttle mechanism 4 closes, second throttle mechanism, 5 operate as normal, and first flow direction control valve 41, the 4th flow direction control valve 44 are closed, second flow direction control valve 42, the 5th flow direction control valve 45 standard-sized sheets.

Its workflow is: after cold-producing medium is discharged from compressing mechanism 1 port of export, through the 60 pipeline 60, first cross valve, 70 high pressure nodes 71, first cross valve, 70 commutation nodes the 74, the 64 pipeline the 64, the 62 pipeline 62, second flow direction control valve the 42, the 51 pipeline 51, heater the 8, the 52 pipeline the 52, the 58 pipeline 58, second throttle mechanism 5, user side heat exchanger the 3, the 67 pipeline 67, the 5th flow direction control valve the 45, the 65 pipeline the 65, the 63 pipeline 63, get back to compressing mechanism 1 arrival end successively.

During work, first throttle mechanism 4, second throttle mechanism 5, second flow direction control valve 42 be operate as normal all; First flow direction control valve 41, the 4th flow direction control valve 44 are closed, the 5th flow direction control valve 45 standard-sized sheets.

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 commutation nodes 74, enter the 64 pipeline 64 and be divided into two-way, one the tunnel passes through heat source side heat exchanger 6 successively, first throttle mechanism 4, the 57 pipeline 57, enter the 58 pipeline 58, another road is successively through the 62 pipeline 62, second flow direction control valve 42, the 51 pipeline 51, heater 8, the 52 pipeline 52, also enter the 58 pipeline 58, two-way is after the 58 pipeline 58 mixes, again successively through second throttle mechanism 5, user side heat exchanger 3, the 67 pipeline 67, the 5th flow direction control valve 45, the 65 pipeline 65, the 63 pipeline 63 is got back to compressing mechanism 1 arrival end.

(4) need freeze simultaneously by the user and produce hot water

During work, first throttle mechanism 4, second throttle mechanism 5 be operate as normal all; First flow direction control valve 41, the 5th flow direction control valve 45 standard-sized sheets, second flow direction control valve 42, the 4th flow direction control valve 44 are closed.

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 commutation nodes 72, the 61 pipeline 61, first flow direction control valve 41, the 51 pipeline 51, heater 8, the 52 pipeline 52, after coming out, the 52 pipeline 52 is divided into two-way, one the tunnel successively through the 58 pipeline 58, second throttle mechanism 5, user side heat exchanger 3, the 67 pipeline 67, the 5th flow direction control valve 45, the 65 pipeline 65, enter the 63 pipeline 63, another road is successively through the 57 pipeline 57, first throttle mechanism 4, heat source side heat exchanger 6, the 64 pipeline 64, first cross valve, 70 commutation nodes 74, first cross valve, 70 low pressure nodes 73, also enter the 63 pipeline 63, two-way is got back to compressing mechanism 1 arrival end after the 63 pipeline 63 mixes.

(5) produce hot water separately

During work, first throttle mechanism 4 operate as normal, second throttle mechanism 5 cuts out; First flow direction control valve 41, the 5th flow direction control valve 45 standard-sized sheets, second flow direction control valve 42, the 4th flow direction control valve 44 are closed.

(6) heating separately

During work, first throttle mechanism 4 operate as normal, second throttle mechanism, 5 standard-sized sheets, first flow direction control valve 41, second flow direction control valve 42 and the 5th flow direction control valve 45 are closed, the 4th flow direction control valve 44 standard-sized sheets.

Its workflow is: after cold-producing medium is discharged from compressing mechanism 1 port of export, through the 60 pipeline the 60, the 59 pipeline 59, the 4th flow direction control valve the 44, the 67 pipeline 67, user side heat exchanger 3, second throttle mechanism the 5, the 58 pipeline the 58, the 57 pipeline 57, first throttle mechanism 4, heat source side heat exchanger the 6, the 64 pipeline 64, first cross valve, 70 commutation nodes 74, first cross valve, 70 low pressure nodes the 73, the 63 pipeline 63, get back to compressing mechanism 1 arrival end successively.

(7) heat simultaneously and produce hot water

During work, first throttle mechanism 4, second throttle mechanism 5, first flow direction control valve 41 be operate as normal all; Second flow direction control valve 42, the 5th flow direction control valve 45 are closed, the 4th flow direction control valve 44 standard-sized sheets.

Its workflow is: after cold-producing medium is discharged from compressing mechanism 1 port of export, enter the 60 pipeline 60 and be divided into two-way, one the tunnel successively through the 59 pipeline 59, the 4th flow direction control valve 44, the 67 pipeline 67, user side heat exchanger 3, second throttle mechanism 5, the 58 pipeline 58, enter the 57 pipeline 57, another road is successively through first cross valve, 70 high pressure nodes 71, first cross valve, 70 commutation nodes 72, the 61 pipeline 61, first flow direction control valve 41, the 51 pipeline 51, heater 8, the 52 pipeline 52, also enter the 57 pipeline 57, two-way is after the 57 pipeline 57 mixes, pass through first throttle mechanism 4 more successively, heat source side heat exchanger 6, the 64 pipeline 64, first cross valve, 70 commutation nodes 74, first cross valve, 70 low pressure nodes 73, the 63 pipeline 63 is got back to compressing mechanism 1 arrival end.

(8) winter frost removing

Scheme two: under this function, in heater 8, draw the heat of hot water, be heat source side heat exchanger 6 defrosts.During work, first throttle mechanism 4 operate as normal, second throttle mechanism 5 cuts out; First flow direction control valve, 41 standard-sized sheets, second flow direction control valve 42, the 4th flow direction control valve 44 are closed, the 5th flow direction control valve 45 standard-sized sheets.

The described scheme of present embodiment is applicable to all embodiment of the present utility model, but it must be noted that: when being used for embodiment 9 scheme shown in Figure 11, owing to do not have capillary 9 in the scheme shown in Figure 11, the 4th flow direction control valve 44 and the 5th flow direction control valve 45 are to substitute second cross valve 80.

Embodiment 8

As shown in figure 10, present embodiment is a kind of air conditioner and water heater equally.With the difference of embodiment 1 be: adopt a threeway flow direction control valve 10 to substitute second cross valve 80 and capillary 9.The connected mode of threeway flow direction control valve 10 is: the Node B of often opening of threeway flow direction control valve 10 links to each other with user side heat exchanger 3 by the 67 pipeline 67, any one node D in 10 2 of the threeway flow direction control valves commutation node links to each other by 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, and the 63 pipeline 63 that another commutation node C of threeway flow direction control valve 10 passes through between the low pressure node 73 of the 65 pipeline 65 and compressing mechanism 1 arrival end and first cross valve 70 links to each other.

Present embodiment also can be realized the function of embodiment 1 scheme shown in Figure 1, and the workflow under each function is identical with embodiment 7 relevant work flow processs.The described scheme of present embodiment is applicable to all embodiment of the present utility model, but it must be noted that: when being used for embodiment 9 scheme shown in Figure 11, owing to do not have capillary 9 in the scheme shown in Figure 11, threeway flow direction control valve 10 is alternative second cross valves 80.

Embodiment 9

As shown in figure 11, the difference with embodiment 1 is: do not have capillary 9 in the system.Present embodiment scheme shown in Figure 11 also can realize all functions of embodiment 1 scheme shown in Figure 1.But, owing to disposed capillary 9 in the scheme shown in Figure 1, so can avoid the problem of second cross valve, 80 high-pressure air pipe hydrops.

The described scheme of present embodiment is applicable to all embodiment of the present utility model.

Embodiment 10

As shown in figure 12, present embodiment is a kind of thermostatic and humidistatic air conditioning unit group.Its special feature is: 1) heat source side heat exchanger 6, heater 8 are arranged in the same air conditioner unit 30, and along the flow direction of air, heater 8 is in the downwind side of heat source side heat exchanger 6; 2) have additional two temperature-detecting devices, its set-up mode is: along the flow direction of air, first temperature-detecting device 31 is arranged at the inlet side of heat source side heat exchanger 6, and second temperature-detecting device 32 is arranged at the air side of heater 8.

This operation of air conditioning systems also can realize all functions of embodiment 6 described thermostatic and humidistatic air conditioning unit groups in the whole year operation process.During work, 3 summers of user side heat exchanger and spring and autumn distribute the condensation heat that is produced in refrigeration or the dehumidification process as condenser to environment, and from environment absorb heat as evaporimeter winter, is used to add hot-air; Heat source side heat exchanger 6 is cooling and the heating heat exchangers in the air conditioner unit 30, during as cooler, can realize the cooling or the dehumidifying of air, during as heater, can realize the heating of air; Heater 8 is the reheaters in the air conditioner unit 30, is used for the heating of air or hot again, the control wind pushing temperature.

Realize refrigerated dehumidification hold concurrently air again hot merit can the time, the control strategy of present embodiment air conditioner unit 30 outlet air temperatures is: the heater 8 outlet air dry-bulb temperatures that controller 20 is detected according to the air conditioner unit 30 outlet air dry-bulb temperatures of setting and second temperature-detecting device 32, control the aperture of second throttle mechanism 5 and the 3rd throttle mechanism 7, regulate refrigerant flow, realize control air conditioner unit 30 outlet air temperatures by user side heat exchanger 3 and heater 8.The control method of 20 pairs of air conditioner unit 30 outlet air temperatures of controller has following three kinds of modes: the aperture of 1) setting second throttle mechanism 5 is a definite value, by regulating the aperture of the 3rd throttle mechanism 7, realizes the control to outlet air temperature; 2) aperture of setting the 3rd throttle mechanism 7 is a definite value, by regulating the aperture of second throttle mechanism 5, realizes the control to outlet air temperature; 3) regulate the aperture of second throttle mechanism 5 and the 3rd throttle mechanism 7 simultaneously, realize control outlet air temperature.

When realizing the winter frost removing function, the control method of present embodiment air conditioner unit 30 outlet air dry-bulb temperatures is: the temperature signal that first temperature-detecting device 31, second temperature-detecting device 32 are detected all is passed to controller 20, the heater 8 outlet air dry-bulb temperatures that controller 20 is detected according to second temperature-detecting device 32, regulate the aperture of second throttle mechanism 5 and the 3rd throttle mechanism 7, make the outlet air dry-bulb temperature of heater 8 be maintained desired value.Usually the desired value of heater 8 outlet air dry-bulb temperatures equals heat source side heat exchanger 6 intake air dry-bulb temperatures.

The described scheme of present embodiment is applicable to other embodiment of all except that

embodiment

5 and 6 in the utility model.

Embodiment 11

As shown in figure 13, present embodiment is a kind of multiple central air conditioner system, have two groups of heat source side heat exchangers 6 in the system at least, its connected mode is: an end of described heat source side heat exchanger 6 links to each other with the 64 pipeline 64 respectively, and the other end of described heat source side heat exchanger 6 links to each other with the 57 pipeline 57 by first throttle mechanism 4 respectively.

During work, heat source side heat exchanger is user's refrigeration as evaporimeter 6 summers, and be user heating as condenser winter; User side heat exchanger 3 both can be used as condenser, distributed the condensation heat that refrigeration produces in environment, also can be used as evaporimeter, absorbed heat from environment, was user's heating or production hot water; Heater 8 is hot-water heaters, and produce hot water for the user whole year.This operation of air conditioning systems also can realize all functions of embodiment scheme shown in Figure 1.

In the scheme of above-mentioned all embodiment, one or more even all flow direction control valves of described flow direction control valve can both adopt magnetic valve, have the throttle mechanism of turn-off function or in the flow control device any one substitutes; 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 63 pipeline 63, the low pressure compressor 1-1 port of export links to each other with the 60 pipeline 60 by high pressure compressor 1-2 arrival end, the high pressure compressor 1-2 port of export successively, can certainly adopt the single machine two-stage compress mode of being made up of at least one compressor.Above-described compressor can use screw compressor, or helical-lobe compressor, or the compressor of other kind.

Claims

1. operation of air conditioning systems, comprise compressing mechanism (1), first cross valve (70), user side heat exchanger (3), heat source side heat exchanger (6) and first throttle mechanism (4), it is characterized in that: this operation of air conditioning systems also comprises second throttle mechanism (5), heater (8), first flow direction control valve (41), second flow direction control valve (42) and second cross valve (80); Described second cross valve (80) has high pressure node (81), low pressure node (83), often opens node (84), (82) four connected nodes of normally closed node; The high pressure node (71) of described first cross valve (70) links to each other with compressing mechanism (1) port of export by the 60 pipeline (60), the low pressure node (73) of first cross valve (70) links to each other with compressing mechanism (1) arrival end by the 63 pipeline (63), any one node (74) in (70) two commutations of first cross valve node is successively by the 64 pipeline (64), heat source side heat exchanger (6), first throttle mechanism (4), the 57 pipeline (57), the 52 pipeline (52), heater (8), the 51 pipeline (51), first flow direction control valve (41), the 61 pipeline (61) links to each other with another commutation node (72) of first cross valve (70), described second flow direction control valve (42) one ends link to each other with the 51 pipeline (51) between first flow direction control valve (41) and the heater (8), second flow direction control valve (42) other end links to each other with the 64 pipeline (64) that heat source side heat exchanger (6) and first cross valve (70) commutate between the node (74) by the 62 pipeline (62), the high pressure node (81) of described second cross valve (80) links to each other by 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 low pressure node (83) of second cross valve (80) links to each other by the 63 pipeline (63) between the low pressure node (73) of the 65 pipeline (65) and compressing mechanism (1) arrival end and first cross valve (70), and the node (84) of often opening of second cross valve (80) passes through the 67 pipeline (67) successively, user side heat exchanger (3), second throttle mechanism (5), the 58 pipeline (58) links to each other with the 57 pipeline (57) with the 52 pipeline (52) simultaneously.

2. operation of air conditioning systems, comprise compressing mechanism (1), first cross valve (70), user side heat exchanger (3), heat source side heat exchanger (6) and first throttle mechanism (4), it is characterized in that: this operation of air conditioning systems also comprises second throttle mechanism (5), heater (8), first flow direction control valve (41), second flow direction control valve (42), second cross valve (80) and capillary (9); The high pressure node (71) of described first cross valve (70) links to each other with compressing mechanism (1) port of export by the 60 pipeline (60), the low pressure node (73) of first cross valve (70) links to each other with compressing mechanism (1) arrival end by the 63 pipeline (63), any one node (74) in (70) two commutations of first cross valve node is successively by the 64 pipeline (64), heat source side heat exchanger (6), first throttle mechanism (4), the 57 pipeline (57), the 52 pipeline (52), heater (8), the 51 pipeline (51), first flow direction control valve (41), the 61 pipeline (61) links to each other with another commutation node (72) of first cross valve (70), described second flow direction control valve (42) one ends link to each other with the 51 pipeline (51) between first flow direction control valve (41) and the heater (8), second flow direction control valve (42) other end links to each other with the 64 pipeline (64) that heat source side heat exchanger (6) and first cross valve (70) commutate between the node (74) by the 62 pipeline (62), the high pressure node (81) of described second cross valve (80) links to each other by 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 low pressure node (83) of second cross valve (80) links to each other by the 63 pipeline (63) between the low pressure node (73) of the 65 pipeline (65) and compressing mechanism (1) arrival end and first cross valve (70), the node (84) of often opening of second cross valve (80) passes through the 67 pipeline (67) successively, user side heat exchanger (3), second throttle mechanism (5), the 58 pipeline (58) links to each other with the 57 pipeline (57) with the 52 pipeline (52) simultaneously, described capillary (9) one ends link to each other with the 65 pipeline (65), and capillary (9) other end links to each other with the normally closed node (82) of second cross valve (80) by the 66 pipeline (66).

3. operation of air conditioning systems, comprise compressing mechanism (1), first cross valve (70), user side heat exchanger (3), heat source side heat exchanger (6) and first throttle mechanism (4), it is characterized in that: this operation of air conditioning systems also comprises second throttle mechanism (5), the 3rd throttle mechanism (7), heater (8), first flow direction control valve (41), second flow direction control valve (42), second cross valve (80) and capillary (9); The high pressure node (71) of described first cross valve (70) links to each other with compressing mechanism (1) port of export by the 60 pipeline (60), the low pressure node (73) of first cross valve (70) links to each other with compressing mechanism (1) arrival end by the 63 pipeline (63), any one node (74) in (70) two commutations of first cross valve node is successively by the 64 pipeline (64), heat source side heat exchanger (6), first throttle mechanism (4), the 57 pipeline (57), the 52 pipeline (52), the 3rd throttle mechanism (7), heater (8), the 51 pipeline (51), first flow direction control valve (41), the 61 pipeline (61) links to each other with another commutation node (72) of first cross valve (70), described second flow direction control valve (42) one ends link to each other with the 51 pipeline (51) between first flow direction control valve (41) and the heater (8), second flow direction control valve (42) other end links to each other with the 64 pipeline (64) that heat source side heat exchanger (6) and first cross valve (70) commutate between the node (74) by the 62 pipeline (62), the high pressure node (81) of described second cross valve (80) links to each other by 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 low pressure node (83) of second cross valve (80) links to each other by the 63 pipeline (63) between the low pressure node (73) of the 65 pipeline (65) and compressing mechanism (1) arrival end and first cross valve (70), the node (84) of often opening of second cross valve (80) passes through the 67 pipeline (67) successively, user side heat exchanger (3), second throttle mechanism (5), the 58 pipeline (58) links to each other with the 57 pipeline (57) with the 52 pipeline (52) simultaneously, described capillary (9) one ends link to each other with the 65 pipeline (65), and capillary (9) other end links to each other with the normally closed node (82) of second cross valve (80) by the 66 pipeline (66).

4. according to the described operation of air conditioning systems of arbitrary claim in claim 1 and 3, it is characterized in that having additional in the system liquid reservoir (50), described first throttle mechanism (4) links to each other with liquid reservoir (50) by the 57 pipeline (57), described second throttle mechanism (5) links to each other with liquid reservoir (50) by the 58 pipeline (58), and the 52 pipeline (52) links to each other with any place of liquid reservoir (50), the 57 pipeline (57) or the 58 pipeline (58).

5. according to the described operation of air conditioning systems of arbitrary claim in claim 1 and 3, it is characterized in that described compressing mechanism (1) is by low pressure compressor (1-1), high pressure compressor (1-2), the 5th check valve (25), the 6th check valve (26) and the 6th flow direction control valve (46) are formed, described low pressure compressor (1-1) arrival end links to each other with the 63 pipeline (63), described low pressure compressor (1-1) port of export is by the 5th check valve (25) arrival end, the 5th check valve (25) port of export links to each other with the 60 pipeline (60), described high pressure compressor (1-2) port of export links to each other with the 60 pipeline (60) of the 5th check valve (25) port of export, described high pressure compressor (1-2) arrival end is by described the 6th check valve (26) port of export, the 6th check valve (26) arrival end links to each other with the 63 pipeline (63) of described low pressure compressor (1-1) arrival end, described the 6th flow direction control valve (46) one ends link to each other with pipeline between low pressure compressor (1-1) port of export and the 5th check valve (25) arrival end, described the 6th flow direction control valve (46) other end links to each other with pipeline between high pressure compressor (1-2) arrival end and the 6th check valve (26) port of export, described the 65 pipeline (65) one ends link to each other with the low pressure node (83) of described second cross valve (80), and pipeline between described the 65 pipeline (65) other end and high pressure compressor (1-2) arrival end and the 6th check valve (26) port of export or the pipeline between high pressure compressor (1-2) arrival end and the 6th flow direction control valve (46) link to each other.

6. according to the described operation of air conditioning systems of arbitrary claim in claim 1 and 3, it is characterized in that described user side heat exchanger (3) and heater (8) are arranged in the same air conditioner unit (30), and along the flow direction of air, described heater (8) is in the downwind side of user side heat exchanger (3).

7. according to the described operation of air conditioning systems of arbitrary claim in claim 1 and 3, it is characterized in that described heat source side heat exchanger (6) and heater (8) are arranged in the same air conditioner unit (30), and along the flow direction of air, described heater (8) is in the downwind side of heat source side heat exchanger (6).

8. operation of air conditioning systems according to claim 1, it is characterized in that described second cross valve (80) is substituted by the 4th flow direction control valve (44) and the 5th flow direction control valve (45), described the 4th flow direction control valve (44) one ends link to each other with user side heat exchanger (3) by the 67 pipeline (67), the 4th flow direction control valve (44) other end links to each other by 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), described the 5th flow direction control valve (45) one ends link to each other with the 67 pipeline (67) between user side heat exchanger (3) and the 4th flow direction control valve (44), and the 5th flow direction control valve (45) other end links to each other by the 63 pipeline (63) between the low pressure node (73) of the 65 pipeline (65) and compressing mechanism (1) arrival end and first cross valve (70).

9. operation of air conditioning systems according to claim 1, it is characterized in that described second cross valve (80) is substituted by a threeway flow direction control valve (10), the node (B) of often opening of described threeway flow direction control valve (10) links to each other with user side heat exchanger (3) by the 67 pipeline (67), any one node (C) in (10) two of the described threeway flow direction control valves commutation node links to each other by the 63 pipeline (63) between the low pressure node (73) of the 65 pipeline (65) and compressing mechanism (1) arrival end and first cross valve (70), and the 60 pipeline (60) that another node (D) that commutates of described threeway flow direction control valve (10) passes through between the high pressure node (71) of the 59 pipeline (59) and compressing mechanism (1) port of export and first cross valve (70) links to each other.

10. according to the described operation of air conditioning systems of arbitrary claim in claim 2 and 3, it is characterized in that described second cross valve (80) and capillary (9) are substituted by the 4th flow direction control valve (44) and the 5th flow direction control valve (45), described the 4th flow direction control valve (44) one ends link to each other with user side heat exchanger (3) by the 67 pipeline (67), the 4th flow direction control valve (44) other end links to each other by 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), described the 5th flow direction control valve (45) one ends link to each other with the 67 pipeline (67) between user side heat exchanger (3) and the 4th flow direction control valve (44), and the 5th flow direction control valve (45) other end links to each other by the 63 pipeline (63) between the low pressure node (73) of the 65 pipeline (65) and compressing mechanism (1) arrival end and first cross valve (70).

11. according to the described operation of air conditioning systems of arbitrary claim in claim 2 and 3, it is characterized in that described second cross valve (80) and capillary (9) are substituted by a threeway flow direction control valve (10), the node (B) of often opening of described threeway flow direction control valve (10) links to each other with user side heat exchanger (3) by the 67 pipeline (67), any one node (C) in (10) two of the described threeway flow direction control valves commutation node links to each other by the 63 pipeline (63) between the low pressure node (73) of the 65 pipeline (65) and compressing mechanism (1) arrival end and first cross valve (70), and the 60 pipeline (60) that another node (D) that commutates of described threeway flow direction control valve (10) passes through between the high pressure node (71) of the 59 pipeline (59) and compressing mechanism (1) port of export and first cross valve (70) links to each other.