CN102331053A - Heat pump system - Google Patents
Heat pump system Download PDFInfo
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- CN102331053A CN102331053A CN2011103126455A CN201110312645A CN102331053A CN 102331053 A CN102331053 A CN 102331053A CN 2011103126455 A CN2011103126455 A CN 2011103126455A CN 201110312645 A CN201110312645 A CN 201110312645A CN 102331053 A CN102331053 A CN 102331053A
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Abstract
The invention provides an improved heat pump system. The conventional ground source heat pump system is provided with an air source heat pump unit so as to form the heat pump system, and an air source heat supplementing unit can be independently communicated with air conditioning, so when the running performance of the ground source heat pump unit is very poor or the output of the ground source heat pump unit is not sufficient, the heat pump system can independently supply heat to an air conditioning system or the heat pump system can be combined with the ground source heat pump unit to supply heat to the air conditioning system; therefore, the normal heat supply of the air conditioning is not influenced, heat adsorbed by the heat pump system from soil can be appropriately reduced, and conditions are provided for the recovery of a soil temperature field around a soil heat exchange device, so that the soil temperature field is subjected to annual heat balance cycle. Meanwhile, the air source heat pump unit can guarantee the normal heat supply of the air conditioning by adsorbing heat from surrounding without consuming energy sources additionally, and the cost of the air source heat pump unit is relatively low, so that the heat pump system can also save energy sources and the cost of the heat pump system is reduced.
Description
Technical field
The present invention relates to art of heat pumps, particularly, relate to a kind of heat pump with heat patching device.
Background technology
In recent years, earth-source hot-pump system can satisfy the characteristics such as demand of heating, air-conditioning and hot water supply simultaneously because it has systematic energy efficiency ratio and automaticity is high, has obtained using widely.
Earth-source hot-pump system be a kind of utilize geothermal using resource (also claim ground can, comprise underground water, soil or surface water etc.) but not only heat supply but also the high efficiency energy saving air conditioner equipment that can freeze.Actual motion monitoring and analog study show that single earth-source hot-pump system only in the close area of summer in winter cooling and heating load, could be brought into play runnability preferably for a long time.China has the area near 2/3 to be in severe cold area or cold district, and the thermic load of building is much larger than refrigeration duty.When in these regional applying ground source heat pump systems; Because the heat-obtaining speed of earth-source hot-pump system far surpasses the face of land and the earth's core regeneration rate to the heat-obtaining zone; Soil heat exchange device soil moisture field is on every side descended year by year; The situation that heating performance reduces year by year can occur, also can cause the heat pump can't operate as normal when serious.In order to improve the earth-source hot-pump system reliability of operation, the part engineering has adopted the mode that enlarges the pipe laying spacing, though this mode can delay the decline of soil moisture field, can not fundamentally solve the problem that earth-source hot-pump system prolonged application performance reduces.
Heating effect in order to ensure cold district earth-source hot-pump system in winter; Mainly contain two types of technical measures at present: a kind of is the interface of in the design heating system, reserving other conventional heating system (like steam generator system); When relatively poor or output is not enough when the earth-source hot-pump system runnability; Then close earth-source hot-pump system, start conventional heating system heating; Another kind is to utilize the seasonal ground of solar energy additional heat in soil heat exchange device (like ground heat exchanger) soil on every side, and keeping soil moisture field is the thermal balance in cycle with the year.But all there is significant disadvantages in above-mentioned two kinds of measures.For first kind of measure, owing to be suitable for the instead source heat pump system heating of other heating means when just relatively poor or output is not enough at the earth-source hot-pump system runnability, and above-mentioned other heating means need consumes energy more, therefore the energy saving of this means is relatively poor.For a kind of measure in back, because cold district solar heat current density is lower, making needs the larger area heat collector in practical application, and this can cause the initial investment cost of earth-source hot-pump system high, and the investment payback time is long.
Summary of the invention
The purpose of this invention is to provide a kind of heat pump, the soil moisture field that this heat pump can be kept around the soil heat exchange device is the thermal balance in cycle with the year, and can energy savings, reduces the cost of heat pump.
For realizing above-mentioned purpose; The present invention provides a kind of heat pump, comprises earth source heat pump unit, soil heat exchange device and air-conditioning equipment, and said earth source heat pump unit has first inlet, first outlet, second inlet and second outlet; Said soil heat exchange device has heat-exchanger rig inlet and heat-exchanger rig outlet; Said air-conditioning equipment has air-conditioning inlet and air conditioner outlet, and said first outlet is communicated with said heat-exchanger rig inlet through first valve, and said first inlet is communicated with said heat-exchanger rig outlet through second valve; Said second outlet is communicated with said air-conditioning inlet through the 3rd valve; Said second inlet is communicated with said air conditioner outlet through the 4th valve, and wherein, said heat pump also comprises net for air-source heat pump units; The source pump outlet of this net for air-source heat pump units is communicated with said air-conditioning inlet through the 5th valve, and the source pump of this net for air-source heat pump units inlet is communicated with said air conditioner outlet through the 6th valve.
Preferably, said source pump outlet is communicated with said heat-exchanger rig inlet through the 7th valve, and said source pump inlet is communicated with said heat-exchanger rig outlet through the 8th valve.
Preferably, said soil heat exchange device comprises the ground pipe laying, and the medium inlet of this ground pipe laying and media outlet are communicated with said heat-exchanger rig inlet and heat-exchanger rig outlet respectively.
Preferably; The number of said ground pipe laying is many groups; Said soil heat exchange device comprises water knockout drum and water collector; The medium inlet of said ground pipe laying is communicated with said heat-exchanger rig inlet through said water knockout drum, and the media outlet of said ground pipe laying is communicated with said heat-exchanger rig outlet through said water collector.
Preferably, said air-conditioning equipment is fan coil, flooring radiation coil pipe, air-conditioning box or their combination.
Preferably, said first valve and/or second valve and/or the 3rd valve and/or the 4th valve and/or the 5th valve and/or the 6th valve and/or the 7th valve and/or the 8th valve are block valve.
Preferably, said block valve is magnetic valve or electric control valve.
Pass through such scheme; Has net for air-source heat pump units in the heat pump provided by the invention; When being in heating period, net for air-source heat pump units can absorb heat from surrounding environment (like air), and with supplying this air-conditioning equipment to use in this heat delivery to the air-conditioning equipment.Like this, neither can influence air-conditioning equipment and normally heat, can suitably reduce the heat that heat pump absorbs again from soil, for the recovery of the soil moisture field around the soil heat exchange device provides condition, be the thermal balance in cycle with the year thereby keep soil moisture field.Simultaneously; Because above-mentioned net for air-source heat pump units absorbs heat from surrounding environment; And do not need the additive decrementation energy can guarantee that just air-conditioning equipment normally heats; And the cost of net for air-source heat pump units is relatively low, so the heat pump among the present invention can also energy savings, reduces the cost of heat pump.
Other technical characterictic of the present invention and beneficial effect will partly specify in the specific embodiment subsequently.
Description of drawings
Accompanying drawing is to be used to provide further understanding of the present invention, and constitutes the part of specification, is used to explain the present invention with the following specific embodiment, but is not construed as limiting the invention.In the accompanying drawings:
Fig. 1 is the schematic diagram of the heat pump that preferred implementation of the present invention provided;
Fig. 2 is the control block diagram that is in the heat pump of heating period; And
Fig. 3 is the control block diagram that is in the heat pump of non-heating period.
Description of reference numerals
1 earth source heat pump unit, 2 soil heat exchange devices
3 air-conditioning equipments, 4 net for air-source heat pump units
12 first outlets of 11 first inlets
14 second outlets of 13 second inlets
The enter the mouth 22 heat-exchanger rigs outlet of 21 heat-exchanger rigs
31 air-conditionings, 32 air conditioner outlets that enter the mouth
The enter the mouth 42 source pump outlet of 41 source pump
The a first valve b second valve
C the 3rd valve d the 4th valve
E the 5th valve f the 6th valve
G the 7th valve h the 8th valve
M ground pipe laying p water knockout drum
The q water collector
The specific embodiment
Be elaborated below in conjunction with the accompanying drawing specific embodiments of the invention.Should be understood that the specific embodiment described herein only is used for explanation and explains the present invention, is not construed as limiting the invention.
As shown in Figure 1; The present invention provides a kind of heat pump, and this heat pump comprises earth source heat pump unit 1, soil heat exchange device 2 and air-conditioning equipment 3, and earth source heat pump unit 1 has 13 and second outlet 14 of first inlet, 11, first outlet, 12, second inlet; Soil heat exchange device 2 has heat-exchanger rig inlet 21 and heat-exchanger rig outlet 22; Air-conditioning equipment 3 has air-conditioning inlet 31 and is communicated with heat-exchanger rig inlet 21 through the first valve a with air conditioner outlet 32, the first outlets 12, and first inlet 11 is communicated with heat-exchanger rig outlet 22 through the second valve b; Second outlet 14 is communicated with air-conditioning inlet 31 through the 3rd valve c; Second inlet 13 is communicated with air conditioner outlet 32 through the 4th valve d, and wherein, heat pump also comprises net for air-source heat pump units 4; The source pump outlet 42 of this net for air-source heat pump units 4 is communicated with air-conditioning inlet 31 through the 5th valve e, and the source pump of this net for air-source heat pump units 4 inlet 41 is communicated with air conditioner outlet 32 through the 6th valve f.
Pass through such scheme; Has net for air-source heat pump units 4 in the heat pump provided by the invention; When from heating period, net for air-source heat pump units 4 can absorb heat from surrounding environment (like air), and with supplying this air-conditioning equipment 3 to use in this heat delivery to the air-conditioning equipment 3.Like this, neither can influence air-conditioning equipment 3 and normally heat, can suitably reduce the heat that heat pump absorbs again from soil, for the recovery of the soil moisture field around the soil heat exchange device 2 provides condition, be the thermal balance in cycle with the year thereby keep soil moisture field.Simultaneously; Because above-mentioned net for air-source heat pump units 4 absorbs heat from surrounding environment; And do not need the additive decrementation energy can guarantee that just air-conditioning equipment 3 normally heats; And the cost of net for air-source heat pump units 4 is relatively low, so the heat pump among the present invention can also energy savings, reduces the cost of heat pump.
The valve that uses in earth source heat pump unit 1, soil heat exchange device 2, air-conditioning equipment 3, net for air-source heat pump units 4 and the above-mentioned heat pump all can be device and equipment commonly used in the art of heat pumps, and its concrete form will be described in detail at the back literary composition.
As shown in Figure 1, preferably, source pump outlet 42 is communicated with heat-exchanger rig inlet 21 through the 7th valve g, and source pump inlet 41 is communicated with heat-exchanger rig outlet 22 through the 8th valve h.Like this; When non-heating period; Above-mentioned net for air-source heat pump units 4 just can absorb the heat in the surrounding environment (like air); And through soil heat exchange device 2 with the soil around this heat transferred soil heat exchange device 2, thereby keep the thermal balance of soil moisture field, realize the running of the long-term stability of geothermal system.
Soil heat exchange device 2 is used for the heat of its surrounding soil is passed to air-conditioning equipment 3 through earth source heat pump unit 1, thereby is user's heating.And; In non-heating during the phase; To the soil concurrent heating, making soil around the soil heat exchange device 2 can keep with the year is the thermal balance in cycle the heat delivery that above-mentioned soil heat exchange device 2 can absorb air-conditioning equipment 3 and/or net for air-source heat pump units 4 from surrounding environment again soil around it.In the present invention, can use in the art of heat pumps the various devices that often use or equipment as soil heat exchange device 2.Preferably, as shown in Figure 1, soil heat exchange device 2 comprises ground pipe laying m, and the medium inlet of this ground pipe laying m and media outlet are communicated with said heat-exchanger rig inlet 21 and heat-exchanger rig outlet 22 respectively.The ground pipe laying is a normally used heat-exchanger rig in the earth-source hot-pump system, and it is simple in structure, and has good working performance, the requirement of source heat pump system contentedly economically.
As known to those of skill in the art, in order to guarantee the operating efficiency of soil heat exchange device 2, many groups ground pipe laying often need be set, inventor of the present invention has also adopted similar design.Specifically as shown in Figure 1, the number of above-mentioned ground pipe laying m is many groups.Simultaneously; The inventor also has been equipped with water knockout drum p and water collector q for soil heat exchange device 2; The medium inlet of ground pipe laying m is communicated with heat-exchanger rig inlet 21 through water knockout drum p; The media outlet of ground pipe laying m is communicated with heat-exchanger rig outlet 22 through water collector q, thereby flows to every group of ground pipe laying m with guaranteeing homogeneous media, reduces the heat that from the soil of unit volume, absorbs.Like this, will then can at first enter into each group ground pipe laying m fifty-fifty by pipe laying m interior medium in inflow place, flow back in the corresponding equipment normal operation of realization heat pump after converging by water collector q then through water knockout drum p.
Air-conditioning equipment 3 is used to user's heating or refrigeration, and it can be the various air-conditioning equipments that can be used in heat pump, like the combination of fan coil, flooring radiation coil pipe, air-conditioning box or these devices, as long as can realize above-mentioned basic function.
In addition, the valve that occurs in the literary composition is mainly used in the break-make of its place pipeline of control, makes above-mentioned heat pump between various duties, to switch.Above-mentioned valve can be the valve or the structure of various ways.In the present invention, the first valve a, the second valve b, the 3rd valve c, the 4th valve d, the 5th valve e, the 6th valve f, the 7th valve g and the 8th valve h are preferably block valve.And for the ease of the control of pipeline, above-mentioned block valve is preferably magnetic valve or electric control valve.Certainly, also have the means of other various control pipeline break-make in the art, under the prerequisite of the operate as normal that does not influence heat pump of the present invention, can the means of various reasonable be applied among the present invention.As space is limited, will enumerate no longer one by one here.
Fig. 2 and Fig. 3 are respectively the control block diagram of the heat pump that is in heating period and non-heating period; Below will describe preferred implementation of the present invention, so that enable those skilled in the art to more in depth understand technical scheme of the present invention with reference to Fig. 2 and Fig. 3.
Heating period
As depicted in figs. 1 and 2, when being in heating period, the operator judges outdoor temperature T
0With design temperature T
0d1Relation, if T
0＜T
0d1Start earth source heat pump unit 1, soil heat exchange device 2, air-conditioning equipment 3 and the first valve a, the second valve b, the 3rd valve c and the 4th valve d; And close net for air-source heat pump units 4 and the 5th valve e, the 6th valve f, the 7th valve g and the 8th valve h, be air-conditioning equipment 3 heating through earth source heat pump unit 1 and soil heat exchange device 2.
If T
0＞T
0d1, need judge then whether net for air-source heat pump units 4 can satisfy the demand of independent heating.When air source concurrent heating unit 4 meets the demands; Start air-conditioning equipment 3, net for air-source heat pump units 4 and the 5th valve e, the 6th valve f; And close earth source heat pump unit 1, soil heat exchange device 2 and the first valve a, the second valve b, the 3rd valve c, the 4th valve d, the 7th valve g and the 8th valve h, be that air-conditioning equipment 3 heats separately through net for air-source heat pump units 4.When air source concurrent heating unit 4 can not meet the demands fully, then open all devices and valve, use earth source heat pump unit 1, soil heat exchange device 2 and net for air-source heat pump units 4 to be air-conditioning equipment 3 united heats.
Non-heating period
As shown in figures 1 and 3; When being in non-heating period; The operator judges whether the needs cooling according to demand, when the needs cooling, starts earth source heat pump unit 1, soil heat exchange device 2, air-conditioning equipment 3 and the first valve a, the second valve b, the 3rd valve c and the 4th valve d; And close net for air-source heat pump units 4 and the 5th valve e, the 6th valve f, the 7th valve g and the 8th valve h; Be air-conditioning equipment 3 coolings through earth source heat pump unit 1 with soil heat exchange device 2, and the heat that air-conditioning equipment 3 is passed to soil heat exchange device 2 is stored in its soil on every side, keeps the thermal balance of soil moisture field.
When not needing cooling, then judge outdoor temperature T
0With design temperature T
0d2Relation, if T
0＞T
0d2Start soil heat exchange device 2, net for air-source heat pump units 4 and the 7th valve g and the 8th valve h; And close earth source heat pump unit 1, air-conditioning equipment 3 and the first valve a, the second valve b, the 5th valve e and the 6th valve f; Absorb the heat in the external environments and this heat be passed to soil heat exchange device 2 through net for air-source heat pump units 4, thus in the soil around the soil heat exchange device 2 additional heat.If T
0＜T
0d2, close all devices and valve, stop the running of heat pump.
More than combine accompanying drawing to describe preferred implementation of the present invention in detail; But; The present invention is not limited to the detail in the above-mentioned embodiment; In technical conceive scope of the present invention, can carry out multiple simple variant to technical scheme of the present invention, these simple variant all belong to protection scope of the present invention.Need to prove in addition; Each concrete technical characterictic described in the above-mentioned specific embodiment under reconcilable situation, can make up through any suitable manner; As long as it is without prejudice to thought of the present invention, it should be regarded as the disclosed content of the present invention equally.For fear of unnecessary repetition, the present invention explains various possible compound modes no longer separately.
Claims (7)
1. heat pump; Comprise earth source heat pump unit (1), soil heat exchange device (2) and air-conditioning equipment (3); Said earth source heat pump unit (1) has first inlet (11), first outlet (12), second inlet (13) and second outlet (14); Said soil heat exchange device (2) has heat-exchanger rig inlet (21) and heat-exchanger rig outlet (22), and said air-conditioning equipment (3) has air-conditioning inlet (31) and air conditioner outlet (32), wherein:
Said first outlet (12) through first valve (a) and said heat-exchanger rig enter the mouth (21) be communicated with,
Said first inlet (11) exports (22) through second valve (b) with said heat-exchanger rig and is communicated with,
Said second outlet (14) through the 3rd valve (c) and said air-conditioning enter the mouth (31) be communicated with,
Said second inlet (13) is communicated with said air conditioner outlet (32) through the 4th valve (d);
It is characterized in that; Said heat pump also comprises net for air-source heat pump units (4); The source pump of this net for air-source heat pump units (4) outlet (42) through the 5th valve (e) and said air-conditioning enter the mouth (31) be communicated with, and the source pump of this net for air-source heat pump units (4) enter the mouth (41) pass through the 6th valve (f) and be communicated with said air conditioner outlet (32).
2. heat pump according to claim 1; It is characterized in that; Said source pump outlet (42) through the 7th valve (g) and said heat-exchanger rig enter the mouth (21) be communicated with, said source pump enter the mouth (41) pass through the 8th valve (h) and export (22) with said heat-exchanger rig and be communicated with.
3. heat pump according to claim 1 and 2 is characterized in that, said soil heat exchange device (2) comprises ground pipe laying (m), and the medium inlet of this ground pipe laying (m) and media outlet are communicated with said heat-exchanger rig inlet (21) and heat-exchanger rig outlet (22) respectively.
4. heat pump according to claim 3; It is characterized in that; The number of said ground pipe laying (m) is many groups; Said soil heat exchange device (2) comprises water knockout drum (p) and water collector (q), the medium inlet of said ground pipe laying (m) through said water knockout drum (p) and said heat-exchanger rig enter the mouth (21) be communicated with, the media outlet of said ground pipe laying (m) passes through said water collector (q) and exports (22) with said heat-exchanger rig and be communicated with.
5. heat pump according to claim 4 is characterized in that, said air-conditioning equipment (3) is fan coil, flooring radiation coil pipe, air-conditioning box or their combination.
6. heat pump according to claim 5; It is characterized in that said first valve (a) and/or second valve (b) and/or the 3rd valve (c) and/or the 4th valve (d) and/or the 5th valve (e) and/or the 6th valve (f) and/or the 7th valve (g) and/or the 8th valve (h) are block valve.
7. heat pump according to claim 6 is characterized in that, said block valve is magnetic valve or electric control valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110312645 CN102331053B (en) | 2011-05-03 | 2011-10-14 | Heat pump system |
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201120136563.5 | 2011-05-03 | ||
| CN201120136563 | 2011-05-03 | ||
| CN 201110312645 CN102331053B (en) | 2011-05-03 | 2011-10-14 | Heat pump system |
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| Publication Number | Publication Date |
|---|---|
| CN102331053A true CN102331053A (en) | 2012-01-25 |
| CN102331053B CN102331053B (en) | 2013-10-23 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201110312645 Active CN102331053B (en) | 2011-05-03 | 2011-10-14 | Heat pump system |
| CN2011203926051U Withdrawn - After Issue CN202274678U (en) | 2011-05-03 | 2011-10-14 | Heat pump system |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2011203926051U Withdrawn - After Issue CN202274678U (en) | 2011-05-03 | 2011-10-14 | Heat pump system |
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| CN103363620A (en) * | 2012-04-06 | 2013-10-23 | 大金工业株式会社 | Control device and heat pump device |
| CN103912938A (en) * | 2013-01-08 | 2014-07-09 | 珠海格力电器股份有限公司 | Air-conditioning system |
| CN104329762A (en) * | 2014-11-27 | 2015-02-04 | 铁道第三勘察设计院集团有限公司 | System for directly supplying heat for soil heat exchanger by utilizing air heat energy |
| CN104676972A (en) * | 2015-03-12 | 2015-06-03 | 中国科学院工程热物理研究所 | Soil source-air source wind energy heat pump system and control method thereof |
| CN104748441A (en) * | 2015-04-07 | 2015-07-01 | 青岛理工大学 | Metro waste heat recovery system applying thin shell heat exchanger |
| CN105333647A (en) * | 2015-11-06 | 2016-02-17 | 易治平 | Series or parallel multi-source heat pump |
| US9797611B2 (en) | 2013-11-21 | 2017-10-24 | Atlas L.C. Heating & A/C | Combination air and ground source heating and/or cooling system |
| CN108626906A (en) * | 2018-05-08 | 2018-10-09 | 北京辰禹能源科技有限公司 | A kind of summer in earth source heat pump winter thermodynamic equilibrium compensation unit |
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| CN102331053B (en) * | 2011-05-03 | 2013-10-23 | 神华集团有限责任公司 | Heat pump system |
| KR101583603B1 (en) * | 2015-07-17 | 2016-01-12 | 세연기업 주식회사 | Hybrid Heat pump system |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103363620A (en) * | 2012-04-06 | 2013-10-23 | 大金工业株式会社 | Control device and heat pump device |
| CN103363620B (en) * | 2012-04-06 | 2016-05-25 | 大金工业株式会社 | Control device and heat pump assembly |
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| US9797611B2 (en) | 2013-11-21 | 2017-10-24 | Atlas L.C. Heating & A/C | Combination air and ground source heating and/or cooling system |
| CN104329762A (en) * | 2014-11-27 | 2015-02-04 | 铁道第三勘察设计院集团有限公司 | System for directly supplying heat for soil heat exchanger by utilizing air heat energy |
| CN104676972B (en) * | 2015-03-12 | 2017-03-29 | 中国科学院工程热物理研究所 | A kind of soil source air-source wind energy heat pump system and its control method |
| CN104676972A (en) * | 2015-03-12 | 2015-06-03 | 中国科学院工程热物理研究所 | Soil source-air source wind energy heat pump system and control method thereof |
| CN104748441A (en) * | 2015-04-07 | 2015-07-01 | 青岛理工大学 | Metro waste heat recovery system applying thin shell heat exchanger |
| CN105333647A (en) * | 2015-11-06 | 2016-02-17 | 易治平 | Series or parallel multi-source heat pump |
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| CN109899919A (en) * | 2019-03-18 | 2019-06-18 | 山东星火科学技术研究院 | A kind of air can complementary heating and refrigerating system with ground source |
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| CN114739050A (en) * | 2022-04-25 | 2022-07-12 | 珠海格力电器股份有限公司 | Soil heat supplementing assembly based on ground source heat system, ground source heat system and control method |
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Also Published As
| Publication number | Publication date |
|---|---|
| CN202274678U (en) | 2012-06-13 |
| CN102331053B (en) | 2013-10-23 |
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