CN202770082U - Total heat recovery device for air conditioner unit - Google Patents
Total heat recovery device for air conditioner unit Download PDFInfo
- Publication number
- CN202770082U CN202770082U CN2012204280652U CN201220428065U CN202770082U CN 202770082 U CN202770082 U CN 202770082U CN 2012204280652 U CN2012204280652 U CN 2012204280652U CN 201220428065 U CN201220428065 U CN 201220428065U CN 202770082 U CN202770082 U CN 202770082U
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- Prior art keywords
- valve
- way valve
- solenoid operated
- branch road
- interface
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
- Y02B30/56—Heat recovery units
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- Compression-Type Refrigeration Machines With Reversible Cycles (AREA)
Abstract
The utility model discloses a total heat recovery device for an air conditioner unit. The device comprises a first electromagnetic four-way valve, a second electromagnetic four-way valve, a liquid storage pot, a gas-liquid separator and five branches which are connected with the first electromagnetic four-way valve, the second electromagnetic four-way valve, the liquid storage pot and the gas-liquid separator. Only two electromagnetic valves are arranged, and the leakage amount is not large when the valves are turned off reversely, and therefore the phenomenon that a part of liquid cooling agents directly flow back to a compressor is avoided. Therefore, compared with the prior art, the total heat recovery device for the air conditioner unit can successfully achieve the aims of total heat recovery and energy conservation through fewer electromagnetic valves and lowers cost. Besides, service life of the compressor is prolonged.
Description
Technical field
The utility model relates to field of air conditioning, particularly a kind of air-conditioning unit full heat recovery device.
Background technology
Air-conditioning be a kind of will be from object or fluid heat removal, by a kind of medium (cold-producing medium) to another object or the exothermic equipment of fluid.Usually it is outdoor to need the extraneous media such as air, water or soil that indoor heat is moved on to during air conditioner refrigerating, thereby realizes the purpose of indoor low temperature.Indoor heat wastes in this course, reclaims this a part of heat and is used for not needing the extraneous expense electric energy just can obtain free hot water when the heating domestic water will use air-conditioning, thereby realize energy-conservation purpose.
The way of at present air-conditioner recuperation of heat is to increase three-way pipe at blast pipe, and at two branch roads magnetic valve is installed, and controls the flow direction of cold-producing medium by the switch of controlling a plurality of magnetic valves.In this case, because current magnetic valve price is high, and larger amount of leakage occurs easily when oppositely turn-offing, cause the operative liquid cold-producing medium directly to be back to compressor compressor is shortened service life greatly.
Therefore, how setting up a kind of air-conditioning unit full heat recovery device of magnetic valve negligible amounts, and can avoid liquid refrigerant directly to be back to compressor, is the technical problem that those skilled in the art need to be resolved hurrily.
The utility model content
In view of this, the utility model provides a kind of air-conditioning unit full heat recovery device, its magnetic valve negligible amounts, and can avoid liquid refrigerant directly to be back to compressor, thus cost is lower.
For achieving the above object, the utility model provides following technical scheme:
A kind of air-conditioning unit full heat recovery device comprises:
The first solenoid operated four-way valve;
The second solenoid operated four-way valve;
Fluid reservoir;
Gas-liquid separator;
With the first branch road that the E interface of described the first solenoid operated four-way valve is connected, described the first branch road is in series with the hot water side heat exchanger successively, by first check valve and first filter of described the first solenoid operated four-way valve to other end conducting;
The second branch road that is connected with C interface and the described fluid reservoir of described the second solenoid operated four-way valve, described the second branch road is in series with heat source side heat exchanger successively, the 3rd filter and the 4th filter, and between described the 3rd filter and the 4th filter, be provided with expansion valve group and the check valve group that is in parallel, described expansion valve group comprises the first expansion valve and the second expansion valve that is in series, described check valve group comprise be in series by described the second solenoid operated four-way valve to the second check valve of other end conducting with by three check valve of described the second solenoid operated four-way valve to other end cut-off;
The 3rd branch road that is connected with E interface and the described fluid reservoir of described the second solenoid operated four-way valve, described the 3rd branch road is in series with successively and uses the side heat exchanger, described the first branch road is connected with described the second branch road, and be communicated between described the first expansion valve and the second expansion valve, and between described the second check valve and described the 3rd check valve;
Be communicated with the 4th branch road of the D interface of the S interface of described the first solenoid operated four-way valve and described the first solenoid operated four-way valve, described the 4th branch road is in series with capillary, gas-liquid separator, the first service valve, low pressure sensor, compressor, high-voltage switch gear, the first service valve successively;
The 5th branch road that is communicated with the D interface of the C interface of described the first solenoid operated four-way valve and described the second solenoid operated four-way valve.
Preferably, in above-mentioned air-conditioning unit full heat recovery device, described the first expansion valve and/or described the second expansion valve are electric expansion valve.
Can find out from above-mentioned technical scheme, the air-conditioning unit full heat recovery device that the utility model embodiment provides, only comprise two magnetic valves, and larger amount of leakage can not occur when oppositely turn-offing, avoided the operative liquid cold-producing medium directly to be back to the phenomenon of compressor.As seen, the air-conditioning unit full heat recovery device that the utility model embodiment provides, compared with prior art, not only can successfully realize the full recuperation of heat of air-conditioning and energy-conservation purpose with less magnetic valve, reduced cost, and the service life of its compressor is more permanent.
Description of drawings
In order to be illustrated more clearly in the utility model embodiment or technical scheme of the prior art, the below will do to introduce simply to the accompanying drawing of required use in embodiment or the description of the Prior Art, apparently, accompanying drawing in the following describes only is embodiment more of the present utility model, for those of ordinary skills, under the prerequisite of not paying creative work, can also obtain according to these accompanying drawings other accompanying drawing.
The structural representation of the air-conditioning unit full heat recovery device that Fig. 1 provides for the utility model embodiment.
Wherein, 1 for compressor, 2 for high-voltage switch gear, 3 for high pressure service valve, 4 be the first solenoid operated four-way valve, 5 for hot water side heat exchanger, 6 be the first check valve, 7 be the first filter, 8 be the 3rd check valve, 9 be the second check valve, 10 be the second electric expansion valve, 11 be the first electric expansion valve, 12 be the 3rd filter, 13 for heat source side heat exchanger, 14 be that the second solenoid operated four-way valve, 15 is for to use side heat exchanger, 16 be that the 4th filter, 18 is capillary as low pressure service valve, 20 as low pressure sensor, 21 as gas-liquid separator, 19 as fluid reservoir, 17.
The specific embodiment
The utility model discloses a kind of air-conditioning unit full heat recovery device, its magnetic valve negligible amounts, cost is lower, and can avoid liquid refrigerant directly to be back to compressor.
Below in conjunction with the accompanying drawing among the utility model embodiment, the technical scheme among the utility model embodiment is clearly and completely described, obviously, described embodiment only is the utility model part embodiment, rather than whole embodiment.Based on the embodiment in the utility model, those of ordinary skills are not making the every other embodiment that obtains under the creative work prerequisite, all belong to the scope of the utility model protection.
See also Fig. 1, the structural representation of the air-conditioning unit full heat recovery device that Fig. 1 provides for the utility model embodiment.
The air-conditioning unit full heat recovery device that the utility model embodiment provides as shown in Figure 1, comprises the first solenoid operated four-way valve 4, the second solenoid operated four-way valve 14, fluid reservoir 16 and gas-liquid separator 18, and with its five branch roads that are communicated with respectively.
Wherein, the first branch road is communicated with the E interface of the first solenoid operated four-way valve 4, and be in series with successively hot water side heat exchanger 5, the first check valve 6 and the first filter 7, the first check valves 6 by the first solenoid operated four-way valve 4 to other end conducting.
The second branch road is communicated with C interface and the fluid reservoir 16 of the second solenoid operated four-way valve 14, and be in series with successively heat source side heat exchanger 13, the 3rd filter 12 and the 4th filter 17, and between the 3rd filter 12 and the 4th filter 17, be provided with expansion valve group and the check valve group that is in parallel, the expansion valve group comprises the first electric expansion valve 11 and the second electric expansion valve 10 that is in series, the check valve group comprises the second check valve 9 and the 3rd check valve 8 that is in series, by the second solenoid operated four-way valve 14 on the direction of the other end, 9 conductings of the second check valve, 8 cut-offs of the 3rd check valve.
On the basis of above branch road, the first branch road is connected with the second branch road, and is communicated between the first electric expansion valve 11 and the second electric expansion valve 10, and between the second check valve 9 and the 3rd check valve 8;
In addition, the 3rd branch road is communicated with E interface and the fluid reservoir 16 of the second solenoid operated four-way valve 14, and is in series with use side heat exchanger 15.
The 4th branch road is communicated with the S interface of the first solenoid operated four-way valve 4 with the D interface of the first solenoid operated four-way valve 4, and is in series with successively capillary 21, gas-liquid separator 18, the first service valve 19, low pressure sensor 20, compressor 1, high-voltage switch gear 2 and the first service valve 3.
The 5th branch road is communicated with the C interface of the first solenoid operated four-way valve 4 and the D interface of the second solenoid operated four-way valve 14.
To sum up, the air-conditioning unit full heat recovery device that the utility model embodiment provides has following four functional loops.
Functional loop one:
The first solenoid operated four-way valve 4 dead electricity, the second solenoid operated four-way valve 14 powers on, cold-producing medium is by compressor 1, through the first solenoid operated four-way valve 4, flow to the second solenoid operated four-way valve 14, pass through successively again heat source side heat exchanger 13, check valve 9 and the second electric expansion valve 10, after 10 throttlings of the second electric expansion valve, using 15 evaporations of side heat exchanger, carry out gas-liquid separation by gas-liquid separator 18, get back at last compressor 1, realize that heat is from the process of the environment at ambient flow thermotropism source heat exchanger 13 places at use side heat exchanger 15 places.
Functional loop two:
The first solenoid operated four-way valve 4 dead electricity, the second solenoid operated four-way valve 14 is dead electricity also, cold-producing medium is by compressor 1, through the first solenoid operated four-way valve 4, flow to the second solenoid operated four-way valve 14, again successively through using side heat exchanger 15, check valve 8 and the first electric expansion valve 11, after 11 throttlings of the first electric expansion valve, in heat source side heat exchanger 13 evaporations, carry out gas-liquid separation by gas-liquid separator 18, get back at last compressor 1, realize the process of heat from the ambient flow at heat source side heat exchanger 13 places to the environment that uses side heat exchanger 15 places.
In functional loop one and functional loop two, the first check valve 6 prevents that cold-producing medium is back to compressor 1 from hot water side heat exchanger 5, and the cold-producing medium of capillary 21 control initial start stage hot water side heat exchangers 5 flows back to the speed of system.
Functional loop three:
When needing the heating domestic hot-water, the first solenoid operated four-way valve 4 powers on, the second solenoid operated four-way valve 14 dead electricity, refrigerant flow direction hot water side heat exchanger 5, close the second electric expansion valve 10, cold-producing medium is successively through the first check valve 6, the first electric expansion valve 11 and heat source side heat exchanger 13, in heat source side heat exchanger 13 evaporations, carry out gas-liquid separation by gas-liquid separator 18, get back at last compressor 1.
In functional loop three, realize that heat flows to the process of hot water side heat exchanger 5 from heat source side heat exchanger 13.Just can at hot water side heat exchanger 5 provide free heat heating domestic water when using air conditioner refrigerating this moment.The second check valve 9 prevents that cold-producing medium is back to compressor 1 from heat source side heat exchanger 13, and the cold-producing medium of capillary 21 control initial start stage heat source side heat exchangers 13 flows back to the speed of system.
Functional loop four:
When needing the heating domestic hot-water, the first solenoid operated four-way valve 4 powers on, the second solenoid operated four-way valve 14 also powers on, refrigerant flow direction hot water side heat exchanger 5, close the first electric expansion valve 11, cold-producing medium is using 15 evaporations of side heat exchanger successively through the first check valve 6, the second electric expansion valve 10 and use side heat exchanger 15, carry out gas-liquid separation by gas-liquid separator 18, get back at last compressor 1.
In functional loop four, realize that heat is from using side heat exchanger 15 to flow to the process of hot water side heat exchanger 5.Just can at hot water side heat exchanger 5 provide free heat heating domestic water when using air conditioner refrigerating this moment.The first check valve 8 prevents cold-producing medium from using side heat exchanger 15 to be back to compressor 1, and the cold-producing medium of capillary 21 control initial start stage heat source side heat exchangers 13 flows back to the speed of system.
Can find out from above-mentioned technical scheme, the air-conditioning unit full heat recovery device that the utility model embodiment provides, only comprise the first solenoid operated four-way valve 4 and 14 two magnetic valves of the second solenoid operated four-way valve, and larger amount of leakage can not occur when oppositely turn-offing, avoid the operative liquid cold-producing medium directly to be back to the phenomenon of compressor 1.As seen, the air-conditioning unit full heat recovery device that the utility model embodiment provides, compared with prior art, not only can successfully realize the full recuperation of heat of air-conditioning and energy-conservation purpose with less magnetic valve, reduced cost, and the service life of its compressor is more permanent.
To the above-mentioned explanation of the disclosed embodiments, make this area professional and technical personnel can realize or use the utility model.Multiple modification to these embodiment will be apparent concerning those skilled in the art, and General Principle as defined herein can in the situation that does not break away from spirit or scope of the present utility model, realize in other embodiments.Therefore, the utility model will can not be restricted to these embodiment shown in this article, but will meet the widest scope consistent with principle disclosed herein and features of novelty.
Claims (2)
1. an air-conditioning unit full heat recovery device is characterized in that, comprising:
The first solenoid operated four-way valve (4);
The second solenoid operated four-way valve (14);
Fluid reservoir (16);
Gas-liquid separator (18);
With the first branch road that the E interface of described the first solenoid operated four-way valve (4) is connected, described the first branch road is in series with hot water side heat exchanger (5) successively, by first check valve (6) and first filter (7) of described the first solenoid operated four-way valve (4) to other end conducting;
The second branch road that is connected with C interface and the described fluid reservoir (16) of described the second solenoid operated four-way valve (14), described the second branch road is in series with heat source side heat exchanger (13) successively, the 3rd filter (12) and the 4th filter (17), and between described the 3rd filter (12) and the 4th filter (17), be provided with expansion valve group and the check valve group that is in parallel, described expansion valve group comprises the first expansion valve (11) and the second expansion valve (10) that is in series, described check valve group comprise be in series by described the second solenoid operated four-way valve (14) to second check valve (9) of other end conducting with by three check valve (8) of described the second solenoid operated four-way valve (14) to other end cut-off;
The 3rd branch road that is connected with E interface and the described fluid reservoir (16) of described the second solenoid operated four-way valve (14), described the 3rd branch road is in series with successively and uses side heat exchanger (15), described the first branch road is connected with described the second branch road, and be communicated between described the first expansion valve (11) and the second expansion valve (10), and between described the second check valve (9) and described the 3rd check valve (8);
Be communicated with the 4th branch road of the D interface of the S interface of described the first solenoid operated four-way valve (4) and described the first solenoid operated four-way valve (4), described the 4th branch road is in series with capillary (21), gas-liquid separator (18), the first service valve (19), low pressure sensor (20), compressor (1), high-voltage switch gear (2), the first service valve (3) successively;
The 5th branch road that is communicated with the D interface of the C interface of described the first solenoid operated four-way valve (4) and described the second solenoid operated four-way valve (14).
2. air-conditioning unit full heat recovery device according to claim 1 is characterized in that, described the first expansion valve (11) and/or described the second expansion valve (10) are electric expansion valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012204280652U CN202770082U (en) | 2012-08-27 | 2012-08-27 | Total heat recovery device for air conditioner unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012204280652U CN202770082U (en) | 2012-08-27 | 2012-08-27 | Total heat recovery device for air conditioner unit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202770082U true CN202770082U (en) | 2013-03-06 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012204280652U Expired - Lifetime CN202770082U (en) | 2012-08-27 | 2012-08-27 | Total heat recovery device for air conditioner unit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202770082U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106679223A (en) * | 2017-02-28 | 2017-05-17 | 广东行峰冷热设备有限公司 | Heat recovery triple generation system |
| CN110319627A (en) * | 2018-03-30 | 2019-10-11 | 浙江盾安机电科技有限公司 | Total heat recovery air-conditioning system |
| US11313597B2 (en) | 2017-05-12 | 2022-04-26 | Carrier Corporation | Heat pump and control method thereof |
-
2012
- 2012-08-27 CN CN2012204280652U patent/CN202770082U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106679223A (en) * | 2017-02-28 | 2017-05-17 | 广东行峰冷热设备有限公司 | Heat recovery triple generation system |
| US11313597B2 (en) | 2017-05-12 | 2022-04-26 | Carrier Corporation | Heat pump and control method thereof |
| CN110319627A (en) * | 2018-03-30 | 2019-10-11 | 浙江盾安机电科技有限公司 | Total heat recovery air-conditioning system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130306 |
|
| CX01 | Expiry of patent term |