CN103322722A - Air source heat pump system used for sentry box and provided with double indoor heat exchangers - Google Patents
Air source heat pump system used for sentry box and provided with double indoor heat exchangers Download PDFInfo
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- CN103322722A CN103322722A CN201310119859XA CN201310119859A CN103322722A CN 103322722 A CN103322722 A CN 103322722A CN 201310119859X A CN201310119859X A CN 201310119859XA CN 201310119859 A CN201310119859 A CN 201310119859A CN 103322722 A CN103322722 A CN 103322722A
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Abstract
The invention discloses an air source heat pump system used for a sentry box and provided with double indoor heat exchangers, and provides a heat pump system adopting double heat exchangers. An exhaust port of a compressor is connected with a first connector of a four-way reversing valve, a second connector of the four-way reversing valve is connected with an inlet of an outdoor heat exchanger, an outlet of the outdoor heat exchanger is connected with an inlet of a first indoor heat exchanger and an outlet of a second one-way valve through an expansion valve respectively, an outlet of the first indoor heat exchanger is connected with an inlet of a first one-way valve, an inlet of the second one-way valve is connected with an outlet of a second indoor heat exchanger, an inlet of the second indoor heat exchanger is connected with an outlet of the first one-way valve in parallel and then connected with a third connector of the four-way reversing valve, and a fourth connector of the four-way reversing valve is connected with a suction port of the compressor; and the first indoor heat exchanger is arranged at the upper part of a space inside the sentry box, and the second indoor heat exchanger is arranged on the ground of the sentry box. The heat pump system is provided with two indoor heat exchangers, so that floor radiant heating is realized, the condensing temperature can be reduced, the cycle efficiency of a heat pump is high, and the energy-saving effect is obvious.
Description
Technical field
The present invention relates to refrigeration technology field, particularly relate to a kind of air source heat pump system of the summer cooling heat supply in winter for Sentry Box.
Background technology
Existing Sentry Box adopts split heat pump in normal air source to be used for summer cooling and heat supply in winter usually.
At present, the heat supply in sentry box and cooling all pass through indoor heat exchanger to be realized, for the cold-peace heat supply all on the top in sentry box.Summer air-conditioning can satisfy the cooling needs substantially.But when heating in the winter time, because in the heat supply of top, sentry box, simultaneously, because sentry box building enclosure heat-insulating property is relatively poor, the radiant heat transfer amount is higher, thermal loss is large, and heat is difficult to deliver to the bottom, sentry box, affects heat supply temperature.Even deliver to the bottom, sentry box, heating comfort is also very poor.
Summary of the invention
The objective of the invention is for the technological deficiency that exists in the prior art, and a kind of air source heat pump system that adopts the summer cooling heat supply in winter that is used for Sentry Box of double heat exchanger is provided.
For realizing that the technical scheme that purpose of the present invention adopts is:
A kind of two indoor heat exchanger air source heat pump systems for the sentry box, comprise compressor, four-way change-over valve, outdoor heat exchanger, throttling arrangement, indoor First Heat Exchanger, indoor the second heat exchanger, the first check valve and the second check valve, the exhaust outlet of described compressor is connected with the first interface of described four-way change-over valve, the second interface of described four-way change-over valve is connected with described outdoor heat exchanger import, the outlet of described outdoor heat exchanger by described expansion valve respectively with described indoor First Heat Exchanger import be connected the second check valve and export and be connected, described indoor First Heat Exchanger outlet is connected with described the first check valve inlet, described the second check valve inlet is connected with described indoor the second heat exchanger exit, described indoor the second heat exchanger import is connected with the 3rd interface of described four-way change-over valve with described the first check valve outlet parallel connection is rear, and the 4th interface of described four-way change-over valve is connected with described compressor air suction mouth; Described indoor First Heat Exchanger places the top in space in the Sentry Box; Described indoor the second heat exchanger places Sentry Box ground; When summer cooling, described four-way change-over valve first interface communicates with the second interface, the 3rd interface communicates with the 4th interface, described compressor, described four-way change-over valve, described outdoor heat exchanger, described expansion valve, described the first check valve and described indoor First Heat Exchanger form kind of refrigeration cycle, outdoor heat exchanger is condenser, and indoor First Heat Exchanger is evaporimeter; When heat supply in winter, the first interface of described four-way change-over valve communicates with the 3rd interface, the second interface communicates with the 4th interface, described compressor, four-way change-over valve, outdoor heat exchanger, expansion valve, the second check valve and described indoor the second heat exchanger form heat pump cycle, described outdoor heat exchanger is evaporimeter, and described indoor the second heat exchanger is condenser.
Described indoor First Heat Exchanger is forced air-cooled heat exchanger, and described indoor the second heat exchanger is horizontal tube pattern natural heat-exchange formula heat exchanger, and described outdoor heat exchanger is air-cooled heat exchanger.
Described throttling arrangement is any in expansion valve, capillary, the throttle orifice plate apparatus.
Compared with prior art, the invention has the beneficial effects as follows:
1, sentry box of the present invention air source heat pump system has two indoor heat exchangers, and when needing cooling, indoor First Heat Exchanger is evaporimeter, send cold wind from top, sentry box, is convenient to remove air moisture in the sentry box, lowers the sentry box temperature when indoor; When indoor need to the heating, indoor the second heat exchanger heat exchanger is condenser, from the heating of bottom, sentry box, reaches the floor panel heating mode, improves the sentry box temperature.Realized the flooring radiation heating system by heat pump of the present invention, can reduce condensation temperature, heat pump cycle efficient is high, and energy-saving effect is remarkable.
2, sentry box air source heat pump system confession cold-peace heating comfort of the present invention is high, meets human body to the needs for the cold-peace heating.Particularly during heat supply in winter, little, the temperature of thermograde evenly and fluctuate little in the sentry box.
Description of drawings
Figure 1 shows that the schematic diagram of sentry box of the present invention air source heat pump system;
Among the figure: 1. compressor, 2. four-way change-over valve, 3. outdoor heat exchanger, 4. throttling arrangement, 5. indoor First Heat Exchanger, 6-1. the first check valve, 6-2. the second check valve, 7. indoor the second heat exchanger.
The specific embodiment
Below in conjunction with the drawings and specific embodiments the present invention is described in further detail.
The schematic diagram of sentry box of the present invention air source heat pump system comprises compressor 1, four-way change-over valve 2, outdoor heat exchanger 3, throttling arrangement 4, indoor First Heat Exchanger 5, the first check valve 6-1, the second check valve 6-2 and indoor the second heat exchanger 7 as shown in Figure 1.The exhaust outlet of described compressor 1 is connected with the first interface 2-1 of described four-way change-over valve 2, the second interface 2-2 of described four-way change-over valve 2 is connected with the import of described outdoor heat exchanger 3, the outlet of described outdoor heat exchanger 3 by described expansion valve 4 respectively with described indoor First Heat Exchanger 5 imports be connected the second check valve 6-2 outlet and be connected, described indoor First Heat Exchanger 5 outlets are connected with described the first check valve 6-1 import, described the second check valve 6-2 import is connected with 7 outlets of described indoor the second heat exchanger, be connected with the 3rd interface 2-3 of described four-way change-over valve 2 after described the first check valve 6-1 outlet and described indoor the second heat exchanger 7 inlet parallel, the 4th interface 2-4 of described four-way change-over valve 2 is connected with described compressor 1 air entry.Indoor First Heat Exchanger 5 is forced air-cooled heat exchanger, places the top in space in the Sentry Box; Indoor the second heat exchanger 7 is horizontal tube pattern natural heat-exchange formula heat exchanger, places Sentry Box ground.
Described outdoor heat exchanger 3 is air-cooled heat exchanger.
Described throttling arrangement is any in expansion valve, capillary, the throttle orifice plate apparatus, or other throttling arrangement.
When summer cooling moves, the first interface 2-1 of described four-way change-over valve 2 communicates with the second interface 2-2, the 3rd interface 2-3 communicates with the 4th interface 2-4, described compressor 1, four-way change-over valve 2, outdoor heat exchanger 3, expansion valve 4, the first check valve 6-1 and indoor First Heat Exchanger 5 form kind of refrigeration cycle, outdoor heat exchanger 3 is condenser, and indoor First Heat Exchanger 5 is evaporimeter.The compressed machine 1 of low-pressure refrigerant vapor is compressed to high pressure conditions, enter and flow out from the second interface 2-2 from the first interface 2-1 of four-way change-over valve 2 and outdoor heat exchanger 3, be condensed into highly pressurised liquid, evaporation produces the refrigeration phenomenon in indoor First Heat Exchanger 5 after expansion valve 4 throttlings are low-pressure state, flow through the 3rd interface 2-3 and the 4th interface 2-4 of the first check valve 6-1, four-way change-over valve 2 of low-pressure refrigerant vapor enters from compressor 1 air entry, finishes kind of refrigeration cycle.
When heat supply in winter moves, the first interface 2-1 of described four-way change-over valve 2 communicates with the 3rd interface 2-3, the second interface 2-2 communicates with the 4th interface 2-4, described compressor 1, four-way change-over valve 2, outdoor heat exchanger 3, expansion valve 4, the second check valve 6-2 and indoor the second heat exchanger 7 form heat pump cycle, outdoor heat exchanger 3 is evaporimeter, and indoor the second heat exchanger 7 is condenser.The compressed machine 1 of low-pressure refrigerant vapor is compressed to high pressure conditions, enter and flow out from the 3rd interface 2-3 from the first interface 2-1 of four-way change-over valve 2 and indoor the second heat exchanger 7, be condensed into highly pressurised liquid, produce for thermal phenomenon to indoor radiating, high pressure refrigerant liquid through the second check valve 6-2 after throttling is low-pressure state in expansion valve 4 in outdoor heat exchanger 3 evaporation absorption chamber outer air heat, flow through the second interface 2-2 and the 4th interface 2-4 of four-way change-over valve 2 of low-pressure refrigerant vapor enters from compressor 1 air entry, finishes heat pump cycle.
By heat pump of the present invention, can realize the flooring radiation heating winter, heating temperature is far below the forced air supply heating temperature, and the condensation temperature of heat pump is low, and systematic energy efficiency ratio is high.By Experimental Comparison, the heat pump condensation temperature reduces by 5～10 ℃, and heat pump cycle efficient improves 20～30%, and energy-saving effect is remarkable.
The above only is preferred embodiment of the present invention; should be pointed out that for those skilled in the art, under the prerequisite that does not break away from the principle of the invention; can also make some improvements and modifications, these improvements and modifications also should be considered as protection scope of the present invention.
Claims (3)
1. two indoor heat exchanger air source heat pump systems that are used for the sentry box, it is characterized in that, comprise compressor, four-way change-over valve, outdoor heat exchanger, throttling arrangement, indoor First Heat Exchanger, indoor the second heat exchanger, the first check valve and the second check valve, the exhaust outlet of described compressor is connected with the first interface of described four-way change-over valve, the second interface of described four-way change-over valve is connected with described outdoor heat exchanger import, the outlet of described outdoor heat exchanger by described expansion valve respectively with described indoor First Heat Exchanger import be connected the second check valve and export and be connected, described indoor First Heat Exchanger outlet is connected with described the first check valve inlet, described the second check valve inlet is connected with described indoor the second heat exchanger exit, described indoor the second heat exchanger import is connected with the 3rd interface of described four-way change-over valve with described the first check valve outlet parallel connection is rear, and the 4th interface of described four-way change-over valve is connected with described compressor air suction mouth; Described indoor First Heat Exchanger places the top in space in the Sentry Box; Described indoor the second heat exchanger places Sentry Box ground; When summer cooling, described four-way change-over valve first interface communicates with the second interface, the 3rd interface communicates with the 4th interface, described compressor, described four-way change-over valve, described outdoor heat exchanger, described expansion valve, described the first check valve and described indoor First Heat Exchanger form kind of refrigeration cycle, outdoor heat exchanger is condenser, and indoor First Heat Exchanger is evaporimeter; When heat supply in winter, the first interface of described four-way change-over valve communicates with the 3rd interface, the second interface communicates with the 4th interface, described compressor, four-way change-over valve, outdoor heat exchanger, expansion valve, the second check valve and described indoor the second heat exchanger form heat pump cycle, described outdoor heat exchanger is evaporimeter, and described indoor the second heat exchanger is condenser.
2. two indoor heat exchanger air source heat pump systems for the sentry box according to claim 1, it is characterized in that, described indoor First Heat Exchanger is forced air-cooled heat exchanger, described indoor the second heat exchanger is horizontal tube pattern natural heat-exchange formula heat exchanger, and described outdoor heat exchanger is air-cooled heat exchanger.
3. the two indoor heat exchanger air source heat pump systems for the sentry box according to claim 1 is characterized in that, described throttling arrangement is any in expansion valve, capillary, the throttle orifice plate apparatus.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310119859XA CN103322722A (en) | 2013-04-08 | 2013-04-08 | Air source heat pump system used for sentry box and provided with double indoor heat exchangers |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201310119859XA CN103322722A (en) | 2013-04-08 | 2013-04-08 | Air source heat pump system used for sentry box and provided with double indoor heat exchangers |
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| CN103322722A true CN103322722A (en) | 2013-09-25 |
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| CN201310119859XA Pending CN103322722A (en) | 2013-04-08 | 2013-04-08 | Air source heat pump system used for sentry box and provided with double indoor heat exchangers |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103822405A (en) * | 2014-03-13 | 2014-05-28 | 哈尔滨工业大学 | Wall type pollution cleaning, contaminant release and heat exchange integrated native sewage heat pump energy increasing device |
| CN104534558A (en) * | 2014-12-18 | 2015-04-22 | 河北科莱冷暖工程有限公司 | Floor heating system controlled by Bluetooth and provided with filtering device |
| CN104697031A (en) * | 2015-02-25 | 2015-06-10 | 河北科莱冷暖工程有限公司 | WIFI (wireless fidelity)-controlled floor heating system provided with air conversion device |
| CN107796254A (en) * | 2017-11-29 | 2018-03-13 | 苏州协宏泰节能科技有限公司 | A kind of pincushion plate-type heating radiator |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN201876004U (en) * | 2010-08-27 | 2011-06-22 | 宁波奥克斯电气有限公司 | Direct-current variable-frequency multi-compressor air conditioner |
| CN102506479A (en) * | 2011-11-10 | 2012-06-20 | 广东美的电器股份有限公司 | Air conditioning system |
| CN202792687U (en) * | 2012-12-13 | 2013-03-13 | 李建伟 | Heating and refrigerating system utilizing air energy |
| CN203274346U (en) * | 2013-04-08 | 2013-11-06 | 天津商业大学 | Double-indoor-heat-exchanger air source heat pump system for sentry box |
-
2013
- 2013-04-08 CN CN201310119859XA patent/CN103322722A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201876004U (en) * | 2010-08-27 | 2011-06-22 | 宁波奥克斯电气有限公司 | Direct-current variable-frequency multi-compressor air conditioner |
| CN102506479A (en) * | 2011-11-10 | 2012-06-20 | 广东美的电器股份有限公司 | Air conditioning system |
| CN202792687U (en) * | 2012-12-13 | 2013-03-13 | 李建伟 | Heating and refrigerating system utilizing air energy |
| CN203274346U (en) * | 2013-04-08 | 2013-11-06 | 天津商业大学 | Double-indoor-heat-exchanger air source heat pump system for sentry box |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103822405A (en) * | 2014-03-13 | 2014-05-28 | 哈尔滨工业大学 | Wall type pollution cleaning, contaminant release and heat exchange integrated native sewage heat pump energy increasing device |
| CN103822405B (en) * | 2014-03-13 | 2015-10-28 | 哈尔滨工业大学 | Wall type scrubbing scale removal heat-exchange integrated native sewage water heat pump energy lift device |
| CN104534558A (en) * | 2014-12-18 | 2015-04-22 | 河北科莱冷暖工程有限公司 | Floor heating system controlled by Bluetooth and provided with filtering device |
| CN104697031A (en) * | 2015-02-25 | 2015-06-10 | 河北科莱冷暖工程有限公司 | WIFI (wireless fidelity)-controlled floor heating system provided with air conversion device |
| CN107796254A (en) * | 2017-11-29 | 2018-03-13 | 苏州协宏泰节能科技有限公司 | A kind of pincushion plate-type heating radiator |
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Application publication date: 20130925 |