CN202869069U - Total heat reclaiming type air-cooled cold and hot water unit - Google Patents
Total heat reclaiming type air-cooled cold and hot water unit Download PDFInfo
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- CN202869069U CN202869069U CN2012205167642U CN201220516764U CN202869069U CN 202869069 U CN202869069 U CN 202869069U CN 2012205167642 U CN2012205167642 U CN 2012205167642U CN 201220516764 U CN201220516764 U CN 201220516764U CN 202869069 U CN202869069 U CN 202869069U
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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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Abstract
The utility model provides a total heat reclaiming type air-cooled cold and hot water unit which comprises a compressor. An outlet of the compressor is connected with a heat reclaiming heat exchanger, a liquid storage machine, a using-side heat exchanger and a gas-liquid separator in sequence through a four-way valve. A first electromagnetic valve is arranged between the four-way valve and the heat reclaiming heat exchanger. An outlet of the heat reclaiming heat exchanger is connected with an inlet of a first check valve. An outlet of the first check valve is connected with an inlet of the liquid storage machine through an air-side heat exchanger and a second check valve. An outlet of the liquid storage machine is connected with an inlet of the using-side heat exchanger through a second drying filter and a refrigeration expansion valve. An outlet of the using-side heat exchanger is connected with the gas-liquid separator through the four-way valve. An outlet of the gas-liquid separator is connected with an inlet of the compressor. Cooling and heating of the air-cooled cold and hot water unit are achieved, and meanwhile condensing waste heat of a cooling system is reclaimed and used. The purposes that the air-cooled cold and hot water unit is reliable in operation, high in efficiency, and low in cost are achieved.
Description
Technical field
The utility model relates to air-conditioning technical field, is specifically related to a kind of full recovery type heat air-to-water heat pump.
Background technology
Along with socio-economic development, increasing air-to-water heat pump is adopted by the user.Summer, air-to-water heat pump is in running refrigerating, can add the condensation heat that the compressor power consumption is suitable with refrigerating capacity by the discharging in the environment of air side heat exchanger according to conservation of energy principle, the discharging of condensation heat has not only caused atmosphere used heat to pollute, but also can produce greenhouse effects, even city temperature constantly raises, and in down town formation " heat island " effect.Be used if this part energy reclaimed, not only can festival energy, reduce CO2 emission, but also can protection of the environment.On the other hand, people also need other power consumption, natural gas equal energy source to come heat hot water in life or industrial production, and this can cause the waste to the energy in heat energy formal transformation process.
At present, the recuperation of heat mode that air-to-water heat pump is taked mainly contains two kinds, and a kind of is the part recuperation of heat, utilizes heat recovering heat exchanger and air side heat exchanger in series, and its heat recovery rate is not high; Another kind is full recuperation of heat, utilize heat recovering heat exchanger and air side heat exchanger in parallel, again by taking some magnetic valves to realize the switching of full heat recovering heat exchanger and air side heat exchanger, in idle time of air-conditioning, can there be hydrops in the air side heat exchanger, and affect the performance of air-to-water heat pump, and increased the cost of this air-to-water heat pump.
The utility model content
The utility model will address the above problem exactly, a kind of full recovery type heat air-to-water heat pump is provided, realize the air-to-water heat pump refrigeration, heat, and simultaneously the refrigeration system condensation waste heat is recycled, reach the purpose that the air-to-water heat pump running is reliable, efficient, cost is low.
In order to reach above-mentioned effect, the utility model provides a kind of full recovery type heat air-to-water heat pump, comprise compressor, the outlet of compressor is connected with heat recovering heat exchanger, reservoir, use side heat exchanger, gas-liquid separator successively by cross valve, be provided with the first magnetic valve between described cross valve and the heat recovering heat exchanger, the outlet of heat recovering heat exchanger is connected with the import of the first check-valves; The outlet of described the first check-valves is connected with the import of described reservoir by air-side heat exchanger, the second check-valves, the outlet of described reservoir is connected with the import of described use side heat exchanger by the second device for drying and filtering, refrigeration expansion valve, the outlet of described use side heat exchanger is connected with described gas-liquid separator by cross valve, and the outlet of described gas-liquid separator is connected with the import of compressor; Between the outlet of described cross valve and the first check-valves and connect the second magnetic valve; Between the outlet of described air-side heat exchanger and the import of reservoir and connect and heat expansion valve and the first device for drying and filtering; Between the entrance of the outlet of described reservoir and use side heat exchanger and connect the 3rd check-valves.
Air-side heat exchanger as condenser heat exchange effect, is then used as the evaporimeter heat exchange when unit heats when unit freezes.
In order to reach the control to cross valve, the first magnetic valve, the second magnetic valve, realization is to the control of system's medium flow direction, flow velocity etc., described heat recovering heat exchanger is respectively equipped with temperature sensor with the water inlet, the water outlet that use the side heat exchanger, and the output of described temperature sensor is electrically connected with the input of controller; The output of described controller is electrically connected respectively with the input of described cross valve, the first magnetic valve, the second magnetic valve.
Described the first magnetic valve and the second magnetic valve are unidirectional normally closed solenoid valve, and when it was switched on, valve was namely opened; During outage, valve closing reaches the flow direction of system's medium, the control of flow velocity.
Described expansion valve and the refrigeration expansion valve of heating selected combined type a kind of or that structure parallel with one another consists of between them in heating power expansion valve, electric expansion valve, capillary, the restricting orifice.
The utility model can be realized full recuperation of heat after heat recovering heat exchanger is arranged on cross valve; Series electrical magnet valve and check-valves before and after heat recovering heat exchanger, control opening, stopping of heat recovering heat exchanger with this, avoid wherein causing system to lack fluorine owing to accumulating refrigerant liquid, operation when can avoid in addition air, water double evaporators is in order to avoid the water side of heat recovering heat exchanger is frozen.Refrigeration expansion valve and heat expansion valve is set separately in the air-to-water heat pump, more is of value to refrigeration, heats the adjusting of refrigerant flow under the two states, give full play to air-to-water heat pump and freeze and heating performance.In addition, the multi-functional of the simple and heating recovery that can realize freezing, heat, freeze of whole system, and also the unit cost is low, practical value is high, can make the technology of air-to-water heat pump more ripe, is the social saves valuable energy.
Description of drawings
Below in conjunction with the drawings and specific embodiments the utility model is described in further detail.
Fig. 1 is the schematic flow sheet of this air-to-water heat pump;
Fig. 2 is the control principle block diagram of the utility model cross valve, magnetic valve.
The specific embodiment
Embodiment one:
As shown in Figure 1, a kind of full recovery type heat air-to-water heat pump comprises compressor 1, and the outlet of compressor 1 is connected with heat recovering heat exchanger 4, reservoir 9, use side heat exchanger 10, gas-liquid separator 11 successively by cross valve 2.The outlet of compressor 1 is connected with the 2A port of cross valve 2, and the 2B port of cross valve 2 is connected with the first magnetic valve 31, heat recovering heat exchanger 4, the first check-valves 51 successively; The outlet of the first check-valves 51 is connected with the import of reservoir 9 by air-side heat exchanger 6, the second check-valves 52, the outlet of described reservoir 9 is connected with the import of described use side heat exchanger 10 by the second device for drying and filtering 82, refrigeration expansion valve 72, the outlet of described use side heat exchanger 10 is connected with described gas-liquid separator 11 by 2D, the 2C port of cross valve 2, and the outlet of described gas-liquid separator 11 is connected with the import of compressor 1; Between the 2B port of described cross valve 2 and the outlet of the first check-valves 51 and connect the second magnetic valve 32; Between the import of the outlet of described air-side heat exchanger 6 and reservoir 9 and connect and heat expansion valve 71 and the first device for drying and filtering 81; Between the entrance of 9 outlets of described reservoir and use side heat exchanger 10 and connect the 3rd check-valves 53.In order to realize that cross valve 2, the first magnetic valve 31,32 pairs of MEDIA FLOW of the second magnetic valve are to control, heat recovering heat exchanger 4 is respectively equipped with temperature sensor with the water inlet, the water outlet that use side heat exchanger 10, and the output of described temperature sensor is electrically connected with the input of controller; The output of described controller is electrically connected respectively with the input of described cross valve 2, the first magnetic valve 31, the second magnetic valve 32; The first magnetic valve 31 and the second magnetic valve 32 are unidirectional normally closed solenoid valve, and when it was switched on, valve was namely opened; During outage, valve closing.The described expansion valve 71 that heats is electric expansion valve with refrigeration expansion valve 72.
In addition, heat expansion valve 71 and also can be restricting orifice with refrigeration expansion valve 72.
Embodiment two:
As shown in Figure 2, heat recovering heat exchanger is respectively equipped with the first temperature sensor 13-1, the second temperature sensor 13-21, three-temperature sensor 13-3, the 4th temperature sensor 13-4 with the water inlet, the water outlet that use the side heat exchanger, and the output of these four temperature sensors is electrically connected with the input of controller 12 respectively; The output of controller 12 is electrically connected respectively with the input of described cross valve 2, the first magnetic valve 31, the second magnetic valve 32; The first magnetic valve 31 and the second magnetic valve 32 are unidirectional normally closed solenoid valve, and when it was switched on, valve was namely opened; During outage, valve closing.The temperature that controller detects by temperature sensor is judged the port connection of cross valve and opening, opening of magnetic valve.
Specific works principle of the present utility model and process are as follows:
Refrigeration mode: cold-producing medium is discharged from the outlet of compressor 1,2B port, the second magnetic valve 32, air-side heat exchanger 6 by cross valve 2,2D port through the second check-valves 52, reservoir 9, the second device for drying and filtering 82, refrigeration expansion valve 72, use side heat exchanger 10 and cross valve 2,2C port and gas-liquid separator 11 from cross valve 2 flows back to the compressor 1 again, finishes a kind of refrigeration cycle.The second magnetic valve 32 is in opening under this pattern, and magnetic valve 31 is in closed condition, and air-to-water heat pump only provides idle call cold water.
Refrigeration adds full heat recovery mode: cold-producing medium is discharged from the outlet of compressor 1,2B port, the first magnetic valve 31, heat recovering heat exchanger 4, the first check-valves 51, air-side heat exchanger 6 by cross valve 2, through the second check-valves 52, reservoir 9, the second device for drying and filtering 82, refrigeration expansion valve 72, use the 2D port of side heat exchanger 10 and cross valve to advance, the 2C port flow is to gas-liquid separator 11 again, flow back at last compressor 1, finish a kind of refrigeration cycle.The second magnetic valve 32 is in closed condition under this pattern, and the first magnetic valve 31 is in opening, and the driving blower fan of air-side heat exchanger 6 is in closed condition, and air-to-water heat pump can provide life and industrial hot water when air conditioner cold water is provided.
Heating mode: cold-producing medium is discharged from the outlet of compressor 1,2D port by cross valve 2, use side heat exchanger 10, the 3rd check-valves 53, reservoir 9, the first device for drying and filtering 81, heat expansion valve 71,2B port through air-side heat exchanger 6, the second magnetic valve 32 and cross valve 2 enters, the 2C port flows back to compressor 1 through gas-liquid separator 11, finishes one and heats circulation.The second magnetic valve 32 is in opening under this pattern, and the first magnetic valve 31 is in closed condition, and the driving blower fan of air-side heat exchanger 6 is in opening, and air-to-water heat pump only provides idle call hot water.
In the utility model, set the temperature of air-conditioning or domestic hot-water's temperature by controller first, the associated temperature that air-to-water heat pump is set according to controller, detect the unit internal and external temperature by being located at respectively heat recovering heat exchanger with the water inlet of use side heat exchanger, the temperature sensor of water outlet, and it is fed back to controller, controller judges that accordingly the port of cross valve is communicated with and the open and close of magnetic valve, realize above-mentioned three kinds of operational modes of automatic switchover unit, thereby realize the purpose of energy savings.
The user can be according to the different operational modes of different Season select air-conditioning systems, as when the summer, the user can adopt air conditioner refrigerating and full recuperation of heat operational mode, set the temperature of air-conditioning and domestic hot-water's temperature by computer controller, the associated temperature that air-to-water heat pump is set according to controller, the temperature information that feeds back by temperature sensor comes the operational mode of automatic switching machine group, thereby realizes the purpose of energy savings.During winter, can adopt air-conditioning heating and domestic hot-water's automatic mode, switch between air-conditioning heating pattern and hot water by controller, move at times, satisfy the demand of air-conditioning and hot water.So the utility model has guaranteed effective recycling of air-conditioning waste heat, also protected atmospheric environment to avoid polluting and energy-conserving and environment-protective.Realize the air-to-water heat pump refrigeration, heated, and simultaneously the refrigeration system condensation waste heat has been recycled, reached the purpose that the air-to-water heat pump running is reliable, efficient, cost is low.
Above-described embodiment only is that the preferred embodiment to this patent is described; be not that scope to this patent limits; under the prerequisite that does not break away from this patent design spirit; various distortion and improvement that those of ordinary skills make the technical scheme of this patent all should fall in the definite protection domain of this patent claims.
Claims (4)
1. full recovery type heat air-to-water heat pump, comprise compressor, the outlet of compressor is connected with heat recovering heat exchanger, reservoir, use side heat exchanger, gas-liquid separator successively by cross valve, it is characterized in that: be provided with the first magnetic valve between described cross valve and the heat recovering heat exchanger, the outlet of heat recovering heat exchanger is connected with the import of the first check-valves; The outlet of described the first check-valves is connected with the import of described reservoir by air-side heat exchanger, the second check-valves, the outlet of described reservoir is connected with the import of described use side heat exchanger by the second device for drying and filtering, refrigeration expansion valve, the outlet of described use side heat exchanger is connected with described gas-liquid separator by cross valve, and the outlet of described gas-liquid separator is connected with the import of compressor; Between the outlet of described cross valve and the first check-valves and connect the second magnetic valve; Between the outlet of described air-side heat exchanger and the import of reservoir and connect and heat expansion valve and the first device for drying and filtering; Between the entrance of the outlet of described reservoir and use side heat exchanger and connect the 3rd check-valves.
2. a kind of full recovery type heat air-to-water heat pump according to claim 1, it is characterized in that: described heat recovering heat exchanger is respectively equipped with temperature sensor with the water inlet, the water outlet that use the side heat exchanger, and the output of described temperature sensor is electrically connected with the input of controller; The output of described controller is electrically connected respectively with the input of described cross valve, the first magnetic valve, the second magnetic valve.
3. a kind of full recovery type heat air-to-water heat pump according to claim 1, it is characterized in that: described the first magnetic valve and the second magnetic valve are unidirectional normally closed solenoid valve.
4. a kind of full recovery type heat air-to-water heat pump according to claim 1 is characterized in that: describedly heat expansion valve and refrigeration expansion valve is selected in heating power expansion valve, electric expansion valve, capillary, the restricting orifice a kind of.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012205167642U CN202869069U (en) | 2012-10-10 | 2012-10-10 | Total heat reclaiming type air-cooled cold and hot water unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012205167642U CN202869069U (en) | 2012-10-10 | 2012-10-10 | Total heat reclaiming type air-cooled cold and hot water unit |
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| CN202869069U true CN202869069U (en) | 2013-04-10 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2012205167642U Expired - Fee Related CN202869069U (en) | 2012-10-10 | 2012-10-10 | Total heat reclaiming type air-cooled cold and hot water unit |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102997479A (en) * | 2012-10-10 | 2013-03-27 | 合肥天鹅制冷科技有限公司 | Total heat recovery type air-cooled cold and hot water unit |
| CN104180453A (en) * | 2014-08-28 | 2014-12-03 | 北京石油化工学院 | Heat pump water heater system of air conditioner |
| CN104406247A (en) * | 2014-08-28 | 2015-03-11 | 北京石油化工学院 | Multipurpose air conditioner heat-pump water heater system |
| US11313597B2 (en) | 2017-05-12 | 2022-04-26 | Carrier Corporation | Heat pump and control method thereof |
-
2012
- 2012-10-10 CN CN2012205167642U patent/CN202869069U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102997479A (en) * | 2012-10-10 | 2013-03-27 | 合肥天鹅制冷科技有限公司 | Total heat recovery type air-cooled cold and hot water unit |
| CN104180453A (en) * | 2014-08-28 | 2014-12-03 | 北京石油化工学院 | Heat pump water heater system of air conditioner |
| CN104406247A (en) * | 2014-08-28 | 2015-03-11 | 北京石油化工学院 | Multipurpose air conditioner heat-pump water heater system |
| CN104406247B (en) * | 2014-08-28 | 2017-02-15 | 北京石油化工学院 | Multipurpose air conditioner heat-pump water heater system |
| US11313597B2 (en) | 2017-05-12 | 2022-04-26 | Carrier Corporation | Heat pump and control method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130410 Termination date: 20181010 |