CN209484877U - A kind of ground-source heat pump system - Google Patents
A kind of ground-source heat pump system Download PDFInfo
- Publication number
- CN209484877U CN209484877U CN201920177593.7U CN201920177593U CN209484877U CN 209484877 U CN209484877 U CN 209484877U CN 201920177593 U CN201920177593 U CN 201920177593U CN 209484877 U CN209484877 U CN 209484877U
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- Prior art keywords
- water
- pipeline
- ground
- condenser
- source heat
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/10—Geothermal energy
Abstract
The utility model provides a kind of ground-source heat pump system, it is related to ground source heat pump technology, aim to solve the problem that existing ground-source heat pump system is transferred to the uncontrollable problem of indoor temperature height, it includes condenser, evaporator, buried piping, the entrance of the refrigerant of user terminal connects condenser by water inlet pipe, the refrigerant exit of user terminal is separately connected condenser and evaporator by outlet pipe, it is connected between condenser and evaporator by connecting tube, compressor is connected in connecting tube, buried piping is embedded in underground, the water inlet end of buried piping connects distributor, water outlet connects water collector, refrigeration pipeline and heating pipeline are connected separately between water collector and distributor, refrigeration pipeline is by inside condenser, pipeline is heated by inside evaporator, refrigeration pipeline connect water pump with one end in heating pipeline access distributor, temperature is connected on water inlet pipe Sensor, temperature sensor connect controller, and controller controls the flow of water pump.The utility model has the effect of controlling room temperature.
Description
Technical field
The utility model relates to ground source heat pump technologies, more particularly, to a kind of ground-source heat pump system.
Background technique
Earth source heat pump be it is a kind of using underground shallow layer geothermal energy resources realize can heat supply again freeze high-efficient energy-saving environment friendly
Energy can be realized from low-temperature heat source to height by inputting a small amount of high-grade energy (electric energy) in type air-conditioning system, earth source heat pump
The transfer of temperature-heat-source.In winter, the heat " taking " in soil is come out, supply chamber is interior for heating after improving temperature；In summer,
Indoor heat " taking " is come out and is discharged into soil, existing ground-source heat pump system has the following problems: one, due to passing through
Pipeline obtains energy transmission to interior from underground, and therefore, the height of room temperature depends on pipeline and obtains the more of energy from underground
It is few, therefore cause to be transferred to indoor temperature height uncontrollable；Two, underground pipe is not thorough enough from underground acquisition energy, leads to pipe
Road to underground heat to take rate low.
The utility model that notification number is CN207729868U discloses a kind of earth source heat pump, including backfill layer, water tank, soil
Heat exchanger, indoor heat exchanger and controller, the ground heat exchanger and indoor heat exchanger are electric with the controller
Property connection, the backfill layer covers around U-tube, and the inside of the backfill layer is equipped with the soil exchanger, the U-tube
One end connect with the water tank by input pipe, the other end passes through efferent duct and connect with the water tank, condenser and the water
It is connected between case by first pipe, evaporator is connect with the water tank by second pipe, and the condenser passes through third pipe
Road is connect with the indoor heat exchanger, and the evaporator is connect by the 4th pipeline with the indoor heat exchanger, the room
The side of inside heat exchanger is equipped with the controller, and the inside of water tank is equipped with Water quality detector, and the Water quality detector
It is electrically connected with the controller.
Prior art among the above supervises water quality by installing Water quality detector in the inside of water tank in real time
It surveys, so that control water quality condition, protects the health of user, but two present in earth source heat pump use process mentioned above
Main problem not arrive effective solution.
Utility model content
The purpose of the utility model is to provide a kind of ground-source heat pump system, have the effect of controlling room temperature.
The above-mentioned purpose of utility model of the utility model has the technical scheme that
A kind of ground-source heat pump system, including condenser, evaporator, buried piping, the entrance of the refrigerant of user terminal by into
Water pipe connects condenser, and the refrigerant exit of user terminal is separately connected condenser and evaporator by outlet pipe, the condenser and
It being connected between the evaporator by connecting tube, is connected with compressor in the connecting tube, the buried piping is embedded in underground,
The water inlet end connection distributor of the buried piping, water outlet connect water collector, divide between the water collector and the distributor
It is not connected with refrigeration pipeline and heating pipeline, the refrigeration pipeline is by inside condenser, the heating pipeline passes through evaporator
Inside, the refrigeration pipeline connect water pump with one end that heating pipeline accesses in the distributor, connect temperature on the water inlet pipe
Sensor is spent, the temperature sensor connects controller, the flow of the controller control water pump.
By using above-mentioned technical proposal, when cooling in summer, the refrigerant liquid of user terminal enters condenser by outlet pipe
In, and client is returned to from water inlet pipe after condenser；Recirculated water in buried piping is from distributor into buried piping
Water inlet end carries out flowing into water collector after heat exchanges with the low temperature in stratum in subterranean pipe line, flows into the low temperature in water collector
Water is entered in condenser by refrigeration pipeline, and condenser condenses refrigerant liquid, and the process condensed needs to discharge heat,
Cooling medium liquid will be discharged into the recirculated water in refrigeration pipeline in this course from the heat that user terminal carries, in refrigeration pipeline
Recirculated water carry out heat exchange after return to user terminal and freezed by the air conditioner of user terminal, to reach the effect of refrigeration
Fruit；When winter heating, the refrigerant liquid of user terminal is entered in evaporator by outlet pipe, at the same time, the water in buried piping
It after being exchanged in buried piping with stratum progress heat, is flowed into water collector with the heat in landing surface, and passes through heating pipe
Road enters in evaporator, and the refrigerant liquid in evaporator evaporates in evaporator, and evaporation process is needed from heating pipeline
Absorb heat in recirculated water, heat the recirculated water in pipeline heat is supplied in evaporator continue back at after refrigerant underground into
Row absorbs heat, and the refrigerant that carry the heat of recirculated water in a large amount of subterranean pipe lines in evaporator passes through pressure in connecting tube
Contracting machine enters in condenser after being compressed, within the condenser condensation release heat, then carry again the heat of release from into
Water pipe flows into user terminal, is heated by air conditioner.In above process, the threshold value of temperature sensor can be set in advance
In certain range, when summer, when temperature sensor monitors to flow through the temperature of the refrigerant of water inlet pipe lower than minimum, temperature
This signal is passed to controller by sensor, and controller controls the revolving speed of water pump, so that the water flow in buried piping slows down,
And then slow down buried piping and exchanged with heat in stratum so that room temperature decline it is slower；When winter, work as temperature sensing
When device monitors that the temperature for flowing through the refrigerant of water inlet pipe is higher than peak, this signal is passed to controller by temperature sensor, control
The revolving speed of device control water pump processed, so that the water flow in buried piping slows down, and then slows down heat in buried piping and stratum
Exchange so that room temperature rise it is slower.Above-mentioned setting preferably controls the heat exchange of entire ground-source heat pump system
Efficiency ensure that the temperature of user terminal is in comfort standard always.
The utility model is further arranged to: the water pump is double entry pump, and the outlet end of double entry pump passes through pipeline access point
Orchestration, the arrival end of double entry pump are separately connected refrigeration pipeline and heating pipeline, and the controller controls two of the double entry pump
The folding of suction inlet.
By using above-mentioned technical proposal, the setting of double entry pump is realized to be existed with summer in winter respectively using a water pump
The effect switched between refrigeration pipeline and heating pipeline, controls more convenient.
The utility model is further arranged to: the refrigerant exit of user terminal connects the first triple valve, first triple valve
Outlet evaporator and condenser are accessed by outlet pipe respectively, first triple valve controls outlet opening side by controller
To.
By using above-mentioned technical proposal, the first triple valve realizes the flowing for controlling cooling medium liquid respectively using a valve
The effect in direction, save the cost are easy to control.
The utility model is further arranged to: the outlet of the water collector connects the second triple valve, second triple valve
Outlet be separately connected refrigeration pipeline and heating pipeline, second triple valve by controller control outlet opening direction.
By using above-mentioned technical proposal, lead to respectively under control of the recirculated water flowed out in water collector in the second triple valve
It crosses refrigeration pipeline or heating pipeline is recycled, to realize the recirculated water controlled respectively in buried piping using a valve
Flow direction effect, further save the control cost of system.
The utility model is further arranged to: refrigeration pipeline coiled coil in the condenser is arranged；The system
Pipe line coiled coil in the evaporator is arranged.
By using above-mentioned technical proposal, pipeline and the refrigerant in corresponding evaporator or condenser of coiled coil setting
The contact area of liquid is bigger, contact path is longer, so that the heat that buried piping is taken out of from stratum is fully utilized,
Improve energy utilization rate.
The utility model is further arranged to: one end that the buried piping is embedded in underground is equipped with multiple " u "-shaped circuits.
By using above-mentioned technical proposal, the setting in multiple " u "-shaped circuits is so that the road that underground pipe system is passed through in the earth formation
Diameter is longer, exchanges to carry out sufficient heat between stratum, and then realizes in buried piping before carrying equal heat quantity
It puts, the ground lotus root well negligible amounts needed have saved construction cost.
The utility model is further arranged to: being connected between the " u "-shaped circuit of the buried piping by double-U-shaped head.
By using above-mentioned technical proposal, double-U-shaped head realizes the commutation of buried pipeline in the earth formation, in connection, only
It needs for each straight tube to be connected to and commutation can be realized at two ports of double-U-shaped head, and the quantity in the " u "-shaped circuit connected
It can arbitrarily be controlled, it is more adaptable when connection so that pipeline manufacture difficulty is smaller.
The utility model is further arranged to: water injecting pipeline is connected on the distributor, described water injecting pipeline one end is protruded into
At the burial place of the buried piping, described buried one end of water injecting pipeline offers apopore.
By using above-mentioned technical proposal, since the thermal conductivity of liquid is better than solid, if soil in stratum compared with
For drying, then the heat exchange coefficient between the recirculated water in stratum and buried piping can reduce.The setting of water injecting pipeline can
Constantly the water in distributor is guided in stratum, stratum is soaked, so that between the recirculated water in stratum and buried piping
Heat exchange coefficient improve.
The utility model is further arranged to: the water injecting pipeline includes water injection pipe and protection pipe, and the water injection pipe is set to
It in the protection pipe, is filled out between the water injection pipe and the protection pipe equipped with metalling, the water injection pipe is equipped with weeper, institute
Protection pipe is stated equipped with apopore, the aperture of the weeper is less than the aperture of the apopore.
By using above-mentioned technical proposal, the water in water injection pipe is penetrated into metalling by weeper, then through metalling
Flowed in stratum from the apopore in protection pipe, the setting of metalling the backfill in water injection pipe and ground lotus root well can be carried out every
From preventing backfill from entering and block water injection pipe in weeper.
The utility model is further arranged to: being further included moisturizing slot, is connected and mend between the moisturizing slot and the distributor
Water pipe.
By using above-mentioned technical proposal, water supply pipe can supplement the recirculated water in buried pipeline, guarantee circulation
Water it is abundant.
In conclusion the advantageous effects of the utility model are as follows:
1. being electrically connected in controller by connecting temperature sensor on water inlet pipe, and by temperature sensor, passed by temperature
The signal that sensor monitors controls water pump, to control the flow velocity of recirculated water in buried piping, and then controls in buried piping
Heat exchange coefficient in recirculated water and stratum achievees the effect that the room temperature for controlling user terminal, improves the use of user terminal
Comfort level；
2. multiple " u "-shaped circuits are arranged by the one end for being embedded in underground in buried piping, to increase buried piping
The length in the contact path with stratum, to increase heat exchange efficiency；
3., using water injecting pipeline to filling the water in stratum, making the soil in stratum by the way that water injecting pipeline is arranged in the earth formation
Earth keeps wet, exchanges so that forming more efficient heat between buried piping and stratum.
Detailed description of the invention
Fig. 1 is the overall structure diagram of the utility model.
Fig. 2 is the structural schematic diagram for filling the water piping.
In figure, 1, user terminal；2, condenser；3, evaporator；4, outlet pipe；41, connecting tube；42, compressor；5, it intakes
Pipe；6, liquid pump；7, the first triple valve；8, buried piping；81, " u "-shaped circuit；82, double-U-shaped head；9, distributor；10, water collector；
11, refrigeration pipeline；12, pipeline is heated；13, the second triple valve；14, double entry pump；15, temperature sensor；16, water injecting pipeline；
161, water injection pipe；1611, weeper；162, protection pipe；1621, apopore；163, metalling；17, moisturizing slot；171, moisturizing
Pipe.
Specific embodiment
The utility model is described in further detail below in conjunction with attached drawing.
It referring to Fig.1, is a kind of ground-source heat pump system disclosed by the utility model, including condenser 2, evaporator 3, underground pipe
It is 8, condenser 2 is connected by water inlet pipe 5 for the entrance in the refrigerant that user terminal 1 heats or freezes, is connected on water inlet pipe 5
Liquid pump 6, the refrigerant exit of user terminal 1 connect the first triple valve 7, and the outlet of the first triple valve 7 passes through the access of outlet pipe 4 respectively and steams
Device 3 and condenser 2 are sent out, is connected between condenser 2 and evaporator 3 by connecting tube 41, compressor 42 is connected in connecting tube 41,
Buried piping 8 is embedded in underground, and the water inlet end connection distributor 9 of buried piping 8, water outlet connect water collector 10, water collector 10
Outlet connect the second triple valve 13, the outlet of the second triple valve 13 be separately connected refrigeration pipeline 11 and heating pipeline 12, refrigeration
Pipeline 11 passes through the inside of condenser 2 and accesses in distributor 9, and heating pipeline 12 passes through the inside of evaporator 3 and accesses distribution
In device 9, refrigeration pipeline 11 connect water pump with one end that heating pipeline 12 accesses in distributor 9, and water pump is double entry pump 14, double entry pump
14 arrival end is separately connected refrigeration pipeline 11 and heating pipeline 12, outlet end access distributor 9, and the setting of double entry pump 14 is realized
Respectively in winter and the effect that is switched between refrigeration pipeline 11 and heating pipeline 12 of summer using water pump.Water inlet
Temperature sensor 15 is connected on pipe 5, temperature sensor 15 connects controller, and two suction inlets of controller control double entry pump 14 are opened
It closes and the size of flow, while also controlling being connected to for the first triple valve 7 and the second triple valve 13.
The course of work of above-mentioned ground-source heat pump system are as follows: when cooling in summer, the refrigerant liquid of user terminal 1 passes through outlet pipe 4
Client is flowed back into from water inlet pipe 5 into condenser 2, and after condenser 2；At the same time, the recirculated water in buried piping 8
The water inlet end for entering underground pipe from distributor 9 carries out flowing into collection after heat exchanges with the low temperature in stratum in subterranean pipe line
Hydrophone 10, the water at low temperature flowed into water collector 10 are flowed through in condenser 2 by refrigerator pipes, and condenser 2 carries out refrigerant liquid cold
It is solidifying, and the process condensed needs to discharge heat, the heat carried from user terminal 1 is discharged into refrigeration in this course by cooling medium liquid
In recirculated water in pipeline 11, carries out returning to user terminal 1 after heat exchanges with the water in refrigeration pipeline 11, pass through user terminal 1
Air conditioner freezes.In the process, the threshold value of temperature sensor 15 is set in a certain range in advance, when temperature passes
When sensor 15 monitors to flow through the temperature of the refrigerant of water inlet pipe 5 lower than minimum, this signal is passed to control by temperature sensor 15
Device processed, controller control the revolving speed of water pump, so that the water velocity in buried piping 8 slows down, and then slow down buried piping 8
It is exchanged with heat in stratum, so that room temperature decline is slower.
When winter heating, the refrigerant liquid of user terminal 1 is entered in evaporator 3 by outlet pipe 4；At the same time, underground pipe
It is that water in 8 carries out being flowed into water collector 10 with the heat in landing surface after heat exchanges in underground situations in pipes with stratum, and
Entered in evaporator 3 by heating pipeline 12, the refrigerant liquid in evaporator 3 evaporates in evaporator 3, and evaporation process needs
Heat is absorbed from the recirculated water in heating pipeline 12, the recirculated water in heating pipeline 12 supplies heat in evaporator 3 cold
Continue back at underground carries out absorption heat to matchmaker later, and carries the heat of the recirculated water in a large amount of subterranean pipe lines in evaporator 3
Refrigerant in connecting tube 41 by compressor 42 compressed after enter condenser 2 in, in condenser 2 condensation release heat
Amount, the heat that then carry release again flow into user terminal 1 from water inlet pipe 5, are heated by air conditioner, work as temperature sensor
When 15 temperature for monitoring to flow through the refrigerant of water inlet pipe 5 are higher than peak, this signal is passed to controller by temperature sensor 15,
Controller controls the revolving speed of water pump, so that the water flow in buried piping 8 slows down, and then slows down in buried piping 8 and stratum
The exchange of heat, so that room temperature rising is slower.
Above-mentioned setting preferably controls the heat exchanger effectiveness of entire ground-source heat pump system, ensure that the temperature of user terminal 1
Always in comfort standard.
Referring to Fig.1, in order to improve heat exchange efficiency, in above-mentioned geographical heat pump system, the spiral in condenser 2 of refrigeration pipeline 11
Coiling setting；It heats the coiled coil in evaporator 3 of pipeline 12 and (not shown) is set；In addition, buried piping 8 is embedded in ground
Under one end be equipped with multiple " u "-shaped circuits 81, connected by double-U-shaped head 82 between each " u "-shaped circuit 81.
Pipeline and the contact area of the cooling medium liquid in corresponding evaporator 3 or condenser 2 of coiled coil setting more greatly, connect
It is longer to touch path, so that the heat that buried piping 8 is taken out of from stratum is fully utilized, improves energy utilization rate.
And the setting in multiple " u "-shaped circuits 81 is so that the path passed through in the earth formation of buried piping 8 is longer, to carry out between stratum
Sufficient heat exchange, improves heat exchange efficiency；In addition, the setting is so that carry the premise of equal heat quantity in buried piping 8
Under, the ground lotus root well negligible amounts needed, to save construction cost.
Since the thermal conductivity of liquid is better than solid, if the soil in stratum is more dry, stratum and underground pipe
Be that heat exchange coefficient between the recirculated water in 8 can reduce, to solve the above problems, referring to Fig.1, Fig. 2, connect on distributor 9
Water injecting pipeline 16 is connect, 16 one end of water injecting pipeline is protruded at the burial place of buried piping 8, the buried one end of water injecting pipeline 16
Including water injection pipe 161 and protection pipe 162, water injection pipe 161 is set in protection pipe 162, between water injection pipe 161 and protection pipe 162
It fills out and is equipped with metalling 163, be provided with weeper 1611 on water injection pipe 161, apopore 1621 is provided in protection pipe 162, is dripped
The aperture in hole 1611 is less than the aperture of apopore 1621.
The course of work of the device are as follows: the water in water injection pipe 161 is penetrated into metalling 163 by weeper, then through broken
Rock layers 163 flow in stratum from the apopore 1621 in protection pipe 162, and the setting of metalling 163 can be by water injection pipe 161 and ground
Backfill in lotus root well is isolated, and prevents backfill from entering blocking water injection pipe 161 in weeper 1611.Water injecting pipeline 16 is set
Setting constantly to guide to the water in distributor 9 in stratum, and stratum is soaked, so that stratum and following in buried piping 8
Heat exchange coefficient between ring water improves.
In addition, a kind of ground-source heat pump system disclosed in this embodiment of the utility model further includes moisturizing slot 17, moisturizing slot 17
Water supply pipe 171 is connected between distributor 9, water supply pipe 171 can supplement the recirculated water in buried pipeline, guarantee circulation
Water it is abundant.
The embodiment of present embodiment is the preferred embodiment of the utility model, and not limitation is originally practical new according to this
The protection scope of type, therefore: the equivalence changes that all structures, shape, principle according to the utility model are done should all be covered by practical
Within novel protection scope.
Claims (10)
1. a kind of ground-source heat pump system, including condenser (2), evaporator (3), buried piping (8), the refrigerant of user terminal (1)
Entrance is separately connected condenser by outlet pipe (4) by water inlet pipe (5) connection condenser (2), the refrigerant exit of user terminal (1)
(2) and evaporator (3) it, is connect between the condenser (2) and the evaporator (3) by connecting tube (41), the connecting tube
(41) it is connected on compressor (42), the buried piping (8) is embedded in underground, it is characterised in that: the buried piping (8)
Water inlet end connects distributor (9), water outlet connection water collector (10), divides between the water collector (10) and the distributor (9)
It is not connected with refrigeration pipeline (11) and heating pipeline (12), the refrigeration pipeline (11) is internal by condenser (2), the heating
Pipeline (12) is internal by evaporator (3), and the refrigeration pipeline (11) and heating pipeline (12) access in the distributor (9)
One end connects water pump, connects temperature sensor (15) on the water inlet pipe (5), temperature sensor (15) point is connected in control
Device, the flow of the controller control water pump.
2. a kind of ground-source heat pump system according to claim 1, it is characterised in that: the water pump is double entry pump (14), double
Distributor (9) are accessed by pipeline in the outlet end of sucking pump (14), and the arrival end of double entry pump (14) is separately connected refrigeration pipeline (11)
With heating pipeline (12), the controller controls the folding of two suction inlets of the double entry pump (14).
3. a kind of ground-source heat pump system according to claim 1, it is characterised in that: the refrigerant exit of user terminal (1) connects
First triple valve (7), the outlet of first triple valve (7) pass through outlet pipe (4) access evaporator (3) and condenser respectively
(2), first triple valve (7) controls outlet opening direction by controller.
4. a kind of ground-source heat pump system according to claim 1, it is characterised in that: the outlet of the water collector (10) connects
Second triple valve (13), the outlet of second triple valve (13) are separately connected refrigeration pipeline (11) and heating pipeline (12), institute
It states the second triple valve (13) and outlet opening direction is controlled by controller.
5. a kind of ground-source heat pump system according to claim 1, it is characterised in that: the refrigeration pipeline (11) is described cold
Coiled coil is arranged in condenser (2)；The heating pipeline (12) coiled coil in the evaporator (3) is arranged.
6. a kind of ground-source heat pump system according to claim 1, it is characterised in that: the buried piping (8) is embedded in ground
Under one end be equipped with multiple " u "-shaped circuits (81).
7. a kind of ground-source heat pump system according to claim 6, it is characterised in that: the " u "-shaped of the buried piping (8) is returned
It is connected between road (81) by double-U-shaped head (82).
8. a kind of ground-source heat pump system according to claim 1, it is characterised in that: connect water filling on the distributor (9)
Pipeline (16), described water injecting pipeline (16) one end are protruded at the burial place of the buried piping (8), the water injecting pipeline (16)
Buried one end offers apopore (1621).
9. a kind of ground-source heat pump system according to claim 8, it is characterised in that: the water injecting pipeline (16) includes water filling
(161) and protection pipe (162) are managed, the water injection pipe (161) is set in the protection pipe (162), the water injection pipe (161) and institute
It states and is filled out between protection pipe (162) equipped with metalling (163), the water injection pipe (161) is equipped with weeper (1611), the protection
It manages (162) and is equipped with apopore (1621), the aperture of the weeper (1611) is less than the aperture of the apopore (1621).
10. a kind of ground-source heat pump system according to claim 8, it is characterised in that: further include moisturizing slot (17), the benefit
Water supply pipe (171) are connected between sink (17) and the distributor (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920177593.7U CN209484877U (en) | 2019-01-31 | 2019-01-31 | A kind of ground-source heat pump system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920177593.7U CN209484877U (en) | 2019-01-31 | 2019-01-31 | A kind of ground-source heat pump system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209484877U true CN209484877U (en) | 2019-10-11 |
Family
ID=68133440
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920177593.7U Expired - Fee Related CN209484877U (en) | 2019-01-31 | 2019-01-31 | A kind of ground-source heat pump system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209484877U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112648687A (en) * | 2020-12-17 | 2021-04-13 | 安徽郁金香新能源科技有限公司 | Control device for keeping long-term heat balance at ground source side of ground source heat pump central air-conditioning system |
-
2019
- 2019-01-31 CN CN201920177593.7U patent/CN209484877U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112648687A (en) * | 2020-12-17 | 2021-04-13 | 安徽郁金香新能源科技有限公司 | Control device for keeping long-term heat balance at ground source side of ground source heat pump central air-conditioning system |
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Granted publication date: 20191011 Termination date: 20220131 |