CN2731365Y - Heat pump system for extracting soil energy - Google Patents
Heat pump system for extracting soil energy Download PDFInfo
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- CN2731365Y CN2731365Y CN 200420118236 CN200420118236U CN2731365Y CN 2731365 Y CN2731365 Y CN 2731365Y CN 200420118236 CN200420118236 CN 200420118236 CN 200420118236 U CN200420118236 U CN 200420118236U CN 2731365 Y CN2731365 Y CN 2731365Y
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Abstract
The utility model discloses a heat pump system for extracting soil energy, comprising a soil energy collecting device, an energy raising device and a heat radiator which are sequentially connected together in series. The soil energy collecting device comprises a circuit composed of a heat collector, a low level energy side heat-exchange coil and a liquid pump which are sequentially connected together in series. The energy raising device comprises a circuit composed of an evaporator, a compressor, a condenser and an expansion valve which are sequentially connected together in series. The heat radiator comprises a circuit composed of an energy input coil, a circulation pump and a plurality of radiator sheets which are sequentially connected together in series. A heat exchanger is arranged between the energy raising device and the heat radiator. The flowing liquid in the circuits of the collecting device and the heat exchanger is the antifreeze solution. The compressor is composed of a first compressor and a second compressor which are connected together in parallel. The system of The utility model has the advantages of simple equipment and convenient installation and maintenance; also, the normal work of the system under any state can be ensured.
Description
Technical field
The utility model relates to a kind of heat pump that extracts soil energy, particularly relate to a kind of heat pump that extracts soil energy under various environment that is applicable to, it is by the energy lift device low grade heat energy to be become the purpose that high-grade heat energy reaches heat supply in winter, summer cooling, daily supplies domestic hot-water.
Background technology
The utility model applicant provides a kind of utilize underground heat as the energy, pollution-free, air-conditioning system that floor space little for the vertical geothermal energy-storage air conditioner system of ZL01116085.3 for people at the Chinese invention patent of first to file number, but this system is when environment temperature is low, often can not satisfy the heating requirement, evaporimeter also can take place sometimes to be freezed, cause heating to be interrupted, this system can not extensively be promoted and use.
The utility model content
In order to overcome defective of the prior art, the purpose of this utility model provides a kind of heat pump that extracts soil energy, it can make the heat pump that extracts soil energy under any circumstance all can carry out operate as normal, reaches the purpose of heat supply in winter and summer cooling.
In order to realize the purpose of this utility model, the heat pump of extraction soil energy of the present utility model comprises: the soil energy harvester that is cascaded successively, energy lift device and radiator, described soil energy harvester comprises: by heat collector, the loop that low potential energy side heat exchange coil and time liquid pump are composed in series successively, described energy lift device comprises: by evaporimeter, compressor, the loop that condenser and expansion valve are composed in series successively, described low potential energy side heat exchange coil and described evaporimeter are coupled, described radiator comprises: by energy input coil pipe, the loop that circulating pump and several cooling fins are composed in series successively, wherein: between described energy lift device and described radiator, be provided with heat-exchanger rig, heat-exchanger rig comprises: by high potential side heat exchange coil, the loop that Pump for giving-out and energy output coil pipe are composed in series successively, described condenser and described high potential side heat exchange coil are coupled, described energy output coil pipe and described energy input coil pipe are coupled, flowing liquid is an anti-icing fluid in described soil energy harvester loop and the heat-exchanger rig loop, and described compressor is made up of first compressor that is connected in parallel and second compressor.
The heat pump of extraction soil energy of the present utility model, wherein: described heat pump also comprises: first two-position four way change valve and second two-position four way change valve, wherein first interface of first two-position four way change valve links to each other with the outlet end of heat collector, second interface of first two-position four way change valve links to each other with the liquid feeding end of heat-exchanger rig high potential side heat exchange coil, the 3rd interface of first two-position four way change valve links to each other with the outlet end of heat-exchanger rig energy output coil pipe, and the 4th interface of first two-position four way change valve links to each other with the liquid feeding end of the low potential energy side heat exchange coil of soil energy harvester; First interface of second two-position four way change valve links to each other with the liquid pump outlet end that returns of soil energy harvester, second interface of second two-position four way change valve links to each other with the liquid feeding end of heat-exchanger rig energy output coil pipe, the 3rd interface of second two-position four way change valve links to each other with the outlet end of heat-exchanger rig Pump for giving-out, and the 4th interface of second two-position four way change valve links to each other with the liquid feeding end of heat collector.
The heat pump of extraction soil energy of the present utility model, wherein: described first compressor and second compressor are the compressors of adjustable speed.
The heat pump of extraction soil energy of the present utility model, wherein: the heating tube of the water heater of connecting between described first and second compressors and the described condenser.
The heat pump of extraction soil energy of the present utility model, wherein: the evaporimeter of the low potential energy side heat exchange coil of described soil energy harvester and the energy lift device that is coupled with it is made brazing plate type heat exchanger, the condenser of described energy lift device and make brazing plate type heat exchanger with the high potential side heat exchange coil of the heat-exchanger rig of its coupling, the energy output coil pipe of described heat-exchanger rig and make plate type heat exchanger with the energy input disc pipe of the radiator of its coupling.
The heat pump of extraction soil energy of the present utility model, wherein: described heat collector is made up of urceolus, the inner core, upper cover and the homogenizing plate that are sleeved in the urceolus, leave the gap between urceolus and the inner core, described upper cover is positioned at the top of urceolus, the feed tube of heat collector is contained on the upper cover, and the bottom of annular space communicates between the drain pipe of heat collector and urceolus and the inner core, is provided with homogenizing plate between upper cover and the inner core, inner core is an open container, and the opening of inner core stretches out the upper cover of urceolus.
The utility model extracts the heat pump of soil energy and compares with the vertical geothermal energy-storage air conditioner system of prior art, has the following advantages:
1. owing to added heat exchanger in the system of the present utility model, and heat-exchanger rig loop and soil energy harvester loop and middle flowing liquid are anti-icing fluid, flowing liquid is a cold-producing medium in the energy lift device loop, even therefore system works at low temperatures, evaporimeter and condenser can not freeze yet, phenomenons such as obstruction and fouling, thereby guarantee to extract the heat pump smoothly operation of soil energy, and for reasonable energy utilization, in the utility model, adopted the structure of compressor parallel, select a compressor job when weather is not cold in the winter time for use, select two compressor work during cold weather for use.
2. two two-position four way change valves have been disposed extracting on the heat pump of soil energy, by heating or freeze in the position that changes two-position four way change valve.
3. heat pump of the present utility model adopts the adjustable speed compressor, and by improving or reduce the speed of compressor, the heat that the energy lifting device is provided increases or reduces, like this can the most rational use energy.
4. connected between compressor and the condenser heating tube of water heater of heat pump of the present utility model is for daily life provides hot water.
5. condenser and the heat-exchanger rig high potential side heat exchange coil that is coupled have with it been made brazing plate type heat exchanger, the energy input disc pipe of the energy output coil pipe of heat-exchanger rig and the radiator that is coupled is with it made dismountable plate type heat exchanger, and flowing liquid is an anti-icing fluid in the heat-exchanger rig loop; The low potential energy side heat exchange coil of the soil energy harvester of evaporimeter and coupling has with it been made brazing plate type heat exchanger, flowing liquid also is an anti-icing fluid in the soil energy harvester loop, because the non-disconnectable property of brazing plate type heat exchanger, stop up and freezing etc. limited it and has been extensive use of, the utility model makes the flows inside cold-producing medium of two brazing plate type heat exchangers, flows outside anti-icing fluid, so just given full play to the strong point of brazing plate type heat exchanger, avoided weakness simultaneously, not only improved heat exchange efficiency but also increased service life of brazing plate type heat exchanger.
Description of drawings
Fig. 1 extracts the schematic diagram of the heat pump of soil energy for the utility model.
The specific embodiment
With reference to shown in Figure 1.The heat pump of extraction soil energy shown in Figure 1 comprises: the soil energy harvester 4 that is cascaded successively, energy lift device 1, heat-exchanger rig 2 and radiator 3, soil energy harvester 4 comprises: by heat collector 20, the loop that low potential energy side heat exchange coil 5 and time liquid pump 7 are composed in series successively, energy lift device 1 comprises: by evaporimeter 18, compressor, the heating tube 10 of water heater, the loop that condenser 19 and expansion valve 15 are composed in series successively, heat-exchanger rig 2 comprises: by high potential side heat exchange coil 16, the loop that Pump for giving-out 8 and energy output coil pipe 17 are composed in series successively, radiator 3 comprises: by energy input coil pipe 6, the loop that circulating pump 9 and several cooling fins 21 are composed in series successively, wherein the evaporimeter 18 in low potential energy side heat exchange coil in the soil energy harvester 45 and the energy lift device 1 is coupled, condenser 19 in the energy lift device 1 is coupled with the high potential side heat exchange coil 16 in the heat-exchanger rig 2, energy output coil pipe 17 in the heat-exchanger rig 2 is coupled with the energy input coil pipe 6 of radiator 3, flowing liquid is an anti-icing fluid in soil energy harvester 4 loops and heat-exchanger rig 2 loops, compressor in the energy lift device 1 comprises: first compressor 11 of adjustable speed and second compressor 12, they are connected in parallel in the loop of energy lift device 1.Connect between two compressors 11,12 and condenser 19 heating tube 10 of water heater provides the domestic hot-water for daily.
The heat pump that extracts soil energy also comprises: first two-position four way change valve 13 and second two-position four way change valve 14, by the position that changes two-position four way change valve reach heat supply in winter or summer refrigeration.Wherein the first interface 13a of first two-position four way change valve 13 links to each other with the outlet end of heat collector 20, the second interface 13b of first two-position four way change valve 13 links to each other with the liquid feeding end of heat-exchanger rig 2 high potential side heat exchange coils 16, the 3rd interface 13c of first two-position four way change valve 13 links to each other with the outlet end of heat-exchanger rig 2 energy output coil pipe 17, and the 4th interface 13d of first two-position four way change valve 13 links to each other with the liquid feeding end of soil energy harvester 4 low potential energy side heat exchange coils 5; The outlet end of 4 times liquid pumps 7 of the first interface 14a and soil energy harvester of second two-position four way change valve 14 links to each other, the second interface 14b of second two-position four way change valve 14 links to each other with the liquid feeding end of heat-exchanger rig 2 energy output coil pipe 17, the 3rd interface 14c of second two-position four way change valve 14 links to each other with the outlet end of heat-exchanger rig 2 Pump for giving-out 8, and the 4th interface 14d of second two-position four way change valve 14 links to each other with the liquid feeding end of heat collector 20.
The evaporimeter 18 of the low potential energy side heat exchange coil 5 of soil energy harvester 4 and the energy lift device 1 that is coupled with it is made brazing plate type heat exchanger, the condenser 19 of energy lift device 1 and make brazing plate type heat exchanger with the high potential side heat exchange coil 16 of the heat-exchanger rig 2 of its coupling, the energy output coil pipe 17 of heat-exchanger rig 2 and make plate type heat exchanger with the energy input coil pipe 6 of the radiator 3 of its coupling.
Heat collector 20 is made up of urceolus 22, the inner core 23, upper cover 24 and the homogenizing plates 25 that are sleeved in the urceolus 22, leave the gap between urceolus 22 and the inner core 23, the top of urceolus 22 is provided with a upper cover 24, the feed tube of heat collector 20 is contained on the upper cover 24, the bottom of annular space communicates between the drain pipe of heat collector 20 and urceolus 22 and the inner core 23, be provided with homogenizing plate 25 between upper cover 24 and the inner core 23, inner core 23 is an open container, and the opening of inner core 23 stretches out the upper cover 24 of urceolus 22.Heat collector 20 places heat-collection well, the mixture of filling concrete and clay between the heat collector urceolus 22 and the borehole wall, and the ratio of cement and clay is 1: 3-1: between 5.
Owing to adopt brazing plate type heat exchanger, the volume of system dwindled greatly.Simultaneously can make an integration member to system element except heat collector and fin and switchboard, save on-the-spot installation, really reach on-the-spot installation batch production, so not only save cost but also guaranteed construction quality.
The utility model extracts the operation principle of the heat pump of soil energy;
Course of work when (one) heat pump of the utility model extraction soil energy heats in the winter time
Fig. 1 is the schematic diagram of the heat pump of extraction soil energy.In the winter time under the heating state, the spool position of first two-position four way change valve 13 and second two-position four way change valve 14 as shown in the figure, perpendicular to the pipeline that is attached thereto, at this moment, the first interface a of first two-position four way change valve 13 and second two-position four way change valve 14 links to each other with the 4th interface d corresponding with them respectively, and the second interface b links to each other with the 3rd interface c corresponding with them respectively.
Start back liquid pump 7, return liquid pump 7 and extract the anti-icing fluid that hangs down potential energy side heat exchange coil 5, anti-icing fluid flows in the heat collector 20 by the first interface 14a and the 4th interface 14d of second two-position four way change valve 14, anti-icing fluid flows to the bottom of heat collector 20 equably always along the circular passage that constitutes between the inner core 23 of heat collector 20 and the urceolus 22 through homogenizing plate 25, cooling back anti-icing fluid absorbs the heat that soil is passed to outer wall from urceolus 22 outer walls of circular passage in this process, the heat of water from the inwall absorption inner core 23 of circular passage, the anti-icing fluid after the intensification enters low potential energy side heat exchange coil 5 release heat once more by the first interface 13a and the 4th interface 13d of first two-position four way change valve 13.
Working medium in the evaporimeter 18 of energy lift device 1 absorbs the energy that flows through soil energy harvester 4 low potential energy side heat exchange coils 5 and flashes to gas, gas heats up by first compressor 11 and/or the compression of second compressor 12, and (looking outside air temperature determines to start a compressor and still starts two compressors, in general when outside air temperature is not too low, only need to start a compressor, when outside air temperature is very low, to start two compressors simultaneously), and the heating tube 10 heating domestic hot-waters that pass through water heater, wash one's face and rinse one's mouth for people, give the high potential side heat exchange coil 16 that is coupled with condenser 19 by condenser 19 release heat again, condensed liquid refrigerant enters heat absorption in the evaporimeter 18 ... circulation so repeatedly after reducing pressure by expansion valve 15 once more.
Energy output coil pipe 17 release heat that three interface 14c and the second interface 14b of anti-icing fluid after will being heated up by Pump for giving-out 8 by second two-position four way change valve 14 delivers to first heat-exchanger rig 2, anti-icing fluid after the cooling absorbs heats by the 3rd interface 13c of first two-position four way change valve 13 and the high potential side heat exchange coil 16 of second interface 13b inflow heat-exchanger rig 2, circulation so repeatedly, constantly heat is supplied with the energy input coil pipe 6 of the radiator 3 that is coupled with heat exchanger 2 energy output coil pipe 17, constantly give fin 21 (being the user) heat delivery by circulating pump 9 again, thereby reach the purpose of heating.
(2) the utility model extracts the course of work of heat pump when freezing summer of soil energy
Under this state, the spool of first two-position four way change valve 13 and second two-position four way change valve 14 is in and is parallel to the pipeline location that is attached thereto, the spool that is reversal valve is in and perpendicular position, illustrated position, at this moment, the first interface a of first two-position four way change valve 13 and second two-position four way change valve 14 links to each other with the second interface b corresponding with them respectively, and the 3rd interface c links to each other with the 4th interface d corresponding with them respectively.
Anti-icing fluid in the heat collector 20 is under the effect of Pump for giving-out 8, high potential side heat exchange coil 16 absorptive condensers 19 liberated heats that the first interface 13a and the second interface 13b by first two-position four-way valve 13 enters heat-exchanger rig 2, the anti-icing fluid after the intensification is got back in the heat collector 20 by the 3rd interface 14c and the 4th interface 14d of second two-position four-way valve 14.
Opposite with heat supply in winter, under the effect of energy lift device 1, low potential energy side heat exchange coil 5 release heat are given evaporimeter 18, return the energy output coil pipe 17 release cold energy that first interface 14a and the second interface 14b of the anti-icing fluid of liquid pump 7 after the cooling in the low potential energy side heat exchange coil 5 by second two-position four-way valve 14 enters heat-exchanger rig 2, give the energy input coil pipe 6 of radiator 3, enjoy the cool for the user.After anti-icing fluid after the intensification comes out from the energy of heat-exchanger rig 2 output coil pipe 17, the 3rd interface 13c and the 4th interface 13d through first two-position four-way valve 13 enter low potential energy side heat exchange coil 5 absorption cold energy, and the energy of radiator 3 input coil pipe 6 is exported coil pipe 17 couplings with the energy of heat-exchanger rig 2, the energy input coil pipe 6 of radiator 3 constantly obtains cold energy from the energy output coil pipe 17 of heat-exchanger rig 2, flow to fin 21 (being the user) by circulating pump 9.Circulation so repeatedly, thus reach the purpose of cooling.
In like manner, for reasonable energy utilization, can suitably select to use a compressor or two compressors, when summer weather is not too hot, select a compressor job for use, select two compressor work when weather is hot for use, and adopt the adjustable speed compressor, by improving or reduce the speed of compressor, the cold that the energy lifting device is provided increases or reduces.
By running as can be seen, energy lift device 1 is that a kind of outside air temperature that adapts to changes and a kind of heat pump of change operating condition.It can provide the different heating or the temperature of refrigeration as required, and is motor-driven, flexible, applied widely.The compressor in its two loops can be selected identical compressor, also can select different compressors, selects best configuration according to different needs.
Claims (6)
1. heat pump that extracts soil energy, comprise: the soil energy harvester (4) that is cascaded successively, energy lift device (1) and radiator (3), described soil energy harvester (4) comprising: by heat collector (20), the loop that low potential energy side heat exchange coil (5) and time liquid pump (7) are composed in series successively, described energy lift device (1) comprising: by evaporimeter (18), compressor, the loop that condenser (19) and expansion valve (15) are composed in series successively, described low potential energy side heat exchange coil (5) is coupled with described evaporimeter (18), described radiator (3) comprising: by energy input coil pipe (6), the loop that circulating pump (9) and several cooling fins (21) are composed in series successively, it is characterized in that: between described energy lift device (1) and described radiator (3), be provided with heat-exchanger rig (2), heat-exchanger rig (2) comprising: by high potential side heat exchange coil (16), the loop that Pump for giving-out (8) and energy output coil pipe (17) are composed in series successively, described condenser (19) is coupled with described high potential side heat exchange coil (16), described energy output coil pipe (17) is coupled with described energy input coil pipe (16), flowing liquid is an anti-icing fluid in described soil energy harvester (4) loop and heat-exchanger rig (2) loop, and described compressor is made up of first compressor (11) and second compressor (12) together parallel with one another.
2. the heat pump of extraction soil energy as claimed in claim 1, it is characterized in that: described heat pump also comprises: first two-position four way change valve (13) and second two-position four way change valve (14), wherein first interface (13a) of first two-position four way change valve (13) links to each other with the outlet end of heat collector (20), second interface (13b) of first two-position four way change valve (13) links to each other with the liquid feeding end of heat-exchanger rig (2) high potential side heat exchange coil (16), the 3rd interface (13c) of first two-position four way change valve (13) links to each other with the outlet end of heat-exchanger rig (2) energy output coil pipe (17), and the 4th interface (13d) of first two-position four way change valve (13) links to each other with the liquid feeding end of the low potential energy side heat exchange coil (5) of soil energy harvester (4); First interface (14a) of second two-position four way change valve (14) links to each other with the outlet end that soil energy harvester (4) returns liquid pump (7), second interface (14b) of second two-position four way change valve (14) links to each other with the liquid feeding end of heat-exchanger rig (2) energy output coil pipe (17), the 3rd interface (14c) of second two-position four way change valve (14) links to each other with the outlet end of heat-exchanger rig (2) Pump for giving-out (8), and the 4th interface (14d) of second two-position four way change valve (14) links to each other with the liquid feeding end of heat collector (20).
3. the heat pump of extraction soil energy as claimed in claim 2 is characterized in that: described first compressor (11) and second compressor (12) are the compressors of adjustable speed.
4. as the heat pump of claim 2 or 3 described extraction soil energies, it is characterized in that: the heating tube (10) of the water heater of connecting between described first and second compressors (11,12) and the described condenser (19).
5. the heat pump of extraction soil energy as claimed in claim 4, it is characterized in that: the evaporimeter (18) of the low potential energy side heat exchange coil (5) of described soil energy harvester (4) and the energy lift device (1) that is coupled with it is made brazing plate type heat exchanger, the condenser (19) of described energy lift device (1) and make brazing plate type heat exchanger with the high potential side heat exchange coil (16) of the heat-exchanger rig (2) of its coupling, the energy output coil pipe (17) of described heat-exchanger rig (2) and make plate type heat exchanger with the energy input coil pipe (6) of the radiator (3) of its coupling.
6. the heat pump of extraction soil energy as claimed in claim 5, it is characterized in that: described heat collector (20) is by urceolus (22), be sleeved on the inner core (23) in the urceolus (22), upper cover (24) and homogenizing plate (25) are formed, leave the gap between urceolus (22) and the inner core (23), described upper cover (24) is positioned at the top of urceolus (22), the feed tube of heat collector (20) is contained on the upper cover (24), the bottom of annular space communicates between the drain pipe of heat collector (20) and urceolus (22) and the inner core (23), be provided with homogenizing plate (25) between upper cover (24) and the inner core (23), inner core (23) is an open container, and the opening of inner core (23) stretches out the upper cover (24) of urceolus (22).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200420118236 CN2731365Y (en) | 2004-10-26 | 2004-10-26 | Heat pump system for extracting soil energy |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200420118236 CN2731365Y (en) | 2004-10-26 | 2004-10-26 | Heat pump system for extracting soil energy |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2731365Y true CN2731365Y (en) | 2005-10-05 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200420118236 Expired - Fee Related CN2731365Y (en) | 2004-10-26 | 2004-10-26 | Heat pump system for extracting soil energy |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2731365Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1306233C (en) * | 2004-10-26 | 2007-03-21 | 北京永源热泵有限责任公司 | Heat pump for extracting soil energy |
-
2004
- 2004-10-26 CN CN 200420118236 patent/CN2731365Y/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1306233C (en) * | 2004-10-26 | 2007-03-21 | 北京永源热泵有限责任公司 | Heat pump for extracting soil energy |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: BEIJING YONGYUAN THERMAL PUMP CO.,LTD. Free format text: FORMER OWNER: XU SHENGHENG Effective date: 20060804 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20060804 Address after: 100093 Beijing city Haidian District xingshikou Road No. 102 Beijing BEHP limited liability company Patentee after: Beijing Yongyuan Heat Pump Co., Ltd. Address before: No. 102 Beijing Ruicheng technology development Limited by Share Ltd Beijing 100093 Haidian District xingshikou Road Patentee before: Xu Shengheng |
|
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |