CN203274346U - Double-indoor-heat-exchanger air source heat pump system for sentry box - Google Patents

Double-indoor-heat-exchanger air source heat pump system for sentry box Download PDF

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Publication number
CN203274346U
CN203274346U CN 201320171279 CN201320171279U CN203274346U CN 203274346 U CN203274346 U CN 203274346U CN 201320171279 CN201320171279 CN 201320171279 CN 201320171279 U CN201320171279 U CN 201320171279U CN 203274346 U CN203274346 U CN 203274346U
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China
Prior art keywords
heat exchanger
indoor
interface
valve
way change
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Expired - Fee Related
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CN 201320171279
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Chinese (zh)
Inventor
杨永安
杨程
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Tianjin University of Commerce
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Tianjin University of Commerce
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Expired - Fee Related legal-status Critical Current
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Abstract

The utility model discloses a double-indoor-heat-exchanger air source heat pump system for a sentry box and provides a heat pump system with two heat exchangers. An air outlet 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 outdoor heat exchanger inlet, an outdoor heat exchanger outlet is respectively connected with a first indoor heat exchanger inlet and a second one-way valve outlet through an expansion valve, a first indoor heat exchanger outlet is connected with a first one-way valve inlet, a second one-way valve inlet is connected with a second indoor heat exchanger outlet, a second indoor heat exchanger inlet is connected with a first one-way valve outlet in parallel and is connected with a third connector of the four-way reversing valve, and a fourth connector of the four-way reversing valve is connected with an air suction port of the compressor. The first indoor heat exchanger is located on the upper portion of the inner space of the sentry box; the second indoor heat exchanger is placed on the ground of the sentry box. The heat pump system is provided with the two indoor heat exchangers, the method of floor radiation heating is achieved, the condensing temperature is reduced, the heat pump circulating efficiency is high, and the energy-saving effect is obvious.

Description

The two indoor heat exchanger air source heat pump systems that are used for the sentry box
Technical field
The utility model relates to refrigeration technology field, particularly relates 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 normal air source split heat pump 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, due 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, and 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.
The utility model content
The purpose of this utility model is for the technological deficiency that exists in 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 the purpose of this utility model 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 afterwards with described the first check valve outlet parallel connection, the 4th interface of described four-way change-over valve is connected with described compressor air suction mouth, described indoor First Heat Exchanger is placed in the top in space in Sentry Box, described indoor the second heat exchanger is placed in 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, throttle orifice plate apparatus.
Compared with prior art, the beneficial effects of the utility model are:
1, sentry box of the present utility model 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 utility model, 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 utility model is high, meets human body to the needs for the cold-peace heating.Particularly during heat supply in winter, in the sentry box, little, the temperature of thermograde evenly and fluctuate little.
Description of drawings
Figure 1 shows that the schematic diagram of the utility model sentry box air source heat pump system.
In 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 utility model is described in further detail.
The schematic diagram of the utility model sentry box 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 of described four-way change-over valve 2, the second interface 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 described indoor the second heat exchanger 7 outlets, be connected with the 3rd interface 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 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, is placed in the top in space in Sentry Box; Indoor the second heat exchanger 7 is horizontal tube pattern natural heat-exchange formula heat exchanger, is placed in Sentry Box ground.
Described outdoor heat exchanger 3 is air-cooled heat exchanger.
Described throttling arrangement is any in expansion valve, capillary, throttle orifice plate apparatus, or other throttling arrangement.
When summer cooling moves, the first interface of described four-way change-over valve 2 communicates with the second interface, the 3rd interface communicates with the 4th interface, 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 be condensed into highly pressurised liquid from the second interface outflow outdoor heat exchanger 3 from the first interface of four-way change-over valve 2, 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 and the 4th interface of the first check valve 6-1, four-way change-over valve 2 of low-pressure refrigerant vapor enters from compressor 1 air entry, completes kind of refrigeration cycle.
When heat supply in winter moves, the first interface of described four-way change-over valve 2 communicates with the 3rd interface, the second interface communicates with the 4th interface, 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 be condensed into highly pressurised liquid from the 3rd interface outflow indoor the second heat exchanger 7 from the first interface of four-way change-over valve 2, 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 and the 4th interface of four-way change-over valve 2 of low-pressure refrigerant vapor enters from compressor 1 air entry, completes heat pump cycle.
By heat pump of the present utility model, 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 is only preferred embodiment of the present utility model; should be noted that; for those skilled in the art; under the prerequisite that does not break away from the utility model principle; can also make some improvements and modifications, these improvements and modifications also should be considered as protection domain of the present utility model.

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 afterwards with described the first check valve outlet parallel connection, the 4th interface of described four-way change-over valve is connected with described compressor air suction mouth, described indoor First Heat Exchanger is placed in the top in space in Sentry Box, described indoor the second heat exchanger is placed in 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, throttle orifice plate apparatus.
CN 201320171279 2013-04-08 2013-04-08 Double-indoor-heat-exchanger air source heat pump system for sentry box Expired - Fee Related CN203274346U (en)

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Application Number Priority Date Filing Date Title
CN 201320171279 CN203274346U (en) 2013-04-08 2013-04-08 Double-indoor-heat-exchanger air source heat pump system for sentry box

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Application Number Priority Date Filing Date Title
CN 201320171279 CN203274346U (en) 2013-04-08 2013-04-08 Double-indoor-heat-exchanger air source heat pump system for sentry box

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CN203274346U true CN203274346U (en) 2013-11-06

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103322722A (en) * 2013-04-08 2013-09-25 天津商业大学 Air source heat pump system used for sentry box and provided with double indoor heat exchangers
CN106196698A (en) * 2016-08-01 2016-12-07 北京工业大学 A kind of directly condensation heating heat pump apparatus of air source of band radiator

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103322722A (en) * 2013-04-08 2013-09-25 天津商业大学 Air source heat pump system used for sentry box and provided with double indoor heat exchangers
CN106196698A (en) * 2016-08-01 2016-12-07 北京工业大学 A kind of directly condensation heating heat pump apparatus of air source of band radiator
CN106196698B (en) * 2016-08-01 2019-04-30 北京工业大学 A kind of directly condensation heating heat pump apparatus of air source with radiator

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Granted publication date: 20131106

Termination date: 20150408

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