CN206670115U - A kind of intelligent geothermal heat pump unit - Google Patents
A kind of intelligent geothermal heat pump unit Download PDFInfo
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- CN206670115U CN206670115U CN201720336572.6U CN201720336572U CN206670115U CN 206670115 U CN206670115 U CN 206670115U CN 201720336572 U CN201720336572 U CN 201720336572U CN 206670115 U CN206670115 U CN 206670115U
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Abstract
The utility model discloses a kind of intelligent geothermal heat pump unit, including heat pump unit, ground source pipe laying unit and end plate type heat exchanger, heat pump unit includes compressor, four-way reversing valve, first water cooling heat exchanger, air cooling heat exchanger, expansion valve and the second water cooling heat exchanger, ground source pipe laying unit connects and composes the first heat exchange circulation loop by the first pipeline and the corresponding two-port with second medium passage in the first water cooling heat exchanger of the second pipeline, the corresponding primary side two-port for changing formula heat exchanger with end plate by the 3rd pipeline and the 4th pipeline of the two-port of second medium passage connects and composes the second heat exchange circulation loop in second water cooling heat exchanger, the secondary side two-port that end plate changes formula heat exchanger is used to be connected with end with water installations by pipeline.The utility model has the advantages of simple in construction, control is flexible, stable, strong adaptability, high Energy Efficiency Ratio.
Description
Technical field
A kind of building energy conservation or the apparatus of air conditioning are the utility model is related to, more particularly, to a kind of geothermal heat pump air-conditioner system
System.
Background technology
In recent years, obtained quickly based on an urgent demand for saving the energy and environmental protection, ground source heat pump type air-conditioning technical
Development, and the extensive use in all kinds of buildings, and with annual 20%~25% speed increase.At present, China's earth source heat pump is empty
The application scale of adjusting system is developed from medium and small single building to large building residential quarters.Geothermal heat pump air-conditioning system is main
Using shallow rock soil layer as the low-temperature receiver of system or low level heat energy, heat exchange is carried out by heat pump unit and produces conditioned water, and most
At last cold and hot energy transmission to interior.Summer, shallow rock soil layer temperature are lower than the air themperature in building, geothermal heat pump air-conditioner
Using shallow rock soil layer as low-temperature receiver, heat pump unit carries out refrigeration and produces cold water system, and by heat exchange most at last in building
Atmospheric heat be discharged into shallow rock soil layer, make room refrigeration cool-down；In winter, shallow rock soil layer is as low level heat energy, heat pump
Unit carries out heating and produces hot water, and most thermal energy is delivered in building at last by heat exchange, to carry out heat supply in winter.But
Existing ground source heat pump type air-conditioning system also exists in actual applications stores up more problems, is further improved or perfect, mainly
Performance is in the following areas：First, during operation of heat pump, because it is provided only with ground source pipe laying to provide cold and hot exchange source, in summer
Outdoor environment temperature is higher or when winter outdoor environment temperature is relatively low, because heat exchange amount is larger, it is easy to causes ground source temperature
Lifted or reduced excessive, lead that heat exchange efficiency is relatively low, and the operation stability of system is poor, and energy consumption is larger.2nd, in spring and autumn
When section or outdoor environment temperature are moderate, often only air need to slightly be done cool or heating treatment, it is necessary to cold and hot amount it is smaller, and show
Some ground source heat pump type air-conditioning systems generally can not adapt to the working condition requirement, can as usual consume energy in the process of running, lead system
Energy Efficiency Ratio it is relatively low.
Utility model content
The purpose of this utility model is to provide a kind of intelligent geothermal heat pump unit, it has, and simple in construction, control is flexible,
The advantages of stable, strong adaptability, high Energy Efficiency Ratio, intelligence control can be realized according to outdoor environment temperature using the utility model
System, to reach energy-saving purpose.
To solve, its existing heat exchange efficiency of geothermal heat pump air-conditioning system of the prior art is low, Energy Efficiency Ratio is low, stability
Difference, bad adaptability, and the problem of be unfavorable for realizing intelligent control, the utility model provides a kind of intelligent geothermal heat pump machine
Group, including heat pump unit, source pipe laying unit and end plate type heat exchanger, the heat pump unit include compressor, four-way commutate
Valve, the first water cooling heat exchanger, air cooling heat exchanger, expansion valve and the second water cooling heat exchanger, the first water cooling heat exchanger and the second water cooling
First medium passage and second medium passage are equipped with heat exchanger, the exhaust outlet and air entry of compressor are corresponding to commutate with four-way
The mouth of pipe four and the mouth of pipe two of valve connect, and the mouth of pipe three of four-way reversing valve, the first medium passage of the first water cooling heat exchanger, air-cooled change
Hot device, expansion valve, the mouth of pipe one of the first medium passage of the second water cooling heat exchanger and four-way reversing valve join end to end successively, air-cooled
The side of heat exchanger is provided with radiator fan；First circulation pump is provided with the pipe laying unit of described ground source, and passes through the first pipeline and
The corresponding two-port with second medium passage in the first water cooling heat exchanger of two pipelines connects and composes the first heat exchange circulation loop；The
The two-port of second medium passage is corresponding in two water cooling heat exchangers changes formula heat exchange by the 3rd pipeline and the 4th pipeline with end plate
The primary side two-port of device connects and composes the second heat exchange circulation loop, and second circulation is provided with the second heat exchange circulation loop
Pump；The secondary side two-port that end plate changes formula heat exchanger is used to be connected with end with water installations by pipeline.
Further, a kind of intelligent geothermal heat pump unit of the utility model, wherein, first pipeline and the second pipeline
On be correspondingly provided with the first valve and the second valve.
Further, a kind of intelligent geothermal heat pump unit of the utility model, wherein, the end plate changes formula heat exchanger
Primary side two-port is also connected by the way that the 5th pipeline and the 6th pipeline are corresponding with the first pipeline and the second pipeline, the 5th pipeline and the
The tie point of one pipeline is between the first valve and ground source pipe laying unit, and the tie point of the 6th pipeline and the second pipeline is in the
Between two valves and ground source pipe laying unit, the 3rd valve and the 4th valve are correspondingly provided with the 5th pipeline and the 6th pipeline.
Further, a kind of intelligent geothermal heat pump unit of the utility model, wherein, first valve, the second valve,
3rd valve and the 4th valve are electronic control valve.
Further, a kind of intelligent geothermal heat pump unit of the utility model, wherein, in addition to control unit, the control
Unit processed respectively with compressor, four-way reversing valve, wind-cooling heat dissipating fan, first circulation pump, second circulation pump, the first valve,
Two valves, the 3rd valve and the electrical connection of the 4th valve.
A kind of intelligent geothermal heat pump unit of the utility model compared with prior art, has advantages below：This practicality is new
Type by set heat pump unit, source pipe laying unit and end plate type heat exchanger, allow heat pump unit to specifically include compressor, four-way
Reversal valve, the first water cooling heat exchanger, air cooling heat exchanger, expansion valve and the second water cooling heat exchanger, in the first water cooling heat exchanger and
First medium passage and second medium passage are equipped with two water cooling heat exchangers, and makes the exhaust outlet of compressor and air entry corresponding
It is connected with the mouth of pipe four and the mouth of pipe two of four-way reversing valve, allows the mouth of pipe three of four-way reversing valve, the first of the first water cooling heat exchanger to be situated between
Matter passage, air cooling heat exchanger, expansion valve, the first medium passage of the second water cooling heat exchanger and four-way reversing valve the mouth of pipe one successively
Join end to end, radiator fan is set in the side of air cooling heat exchanger.First circulation pump is set in the pipe laying unit of ground source, and passed through
First pipeline and the corresponding two-port with second medium passage in the first water cooling heat exchanger of the second pipeline connect and compose the first heat and handed over
Change circulation loop.Allow second medium passage in the second water cooling heat exchanger two-port it is corresponding by the 3rd pipeline and the 4th pipeline with
The primary side two-port that end plate changes formula heat exchanger connects and composes the second heat exchange circulation loop, and is returned in the second heat exchange circulation
Second circulation pump is set in road.End plate is allowed to change the secondary side two-port of formula heat exchanger in use by pipeline and end water
Device connects.Thus high intelligent of a kind of simple in construction, flexible, stable, strong adaptability of control, Energy Efficiency Ratio is just constituted
Earth source heat pump unit.In actual applications, the utility model by allow compressor exhaust outlet and air entry is corresponding is changed with four-way
Connected to the mouth of pipe four and the mouth of pipe two of valve, allow the mouth of pipe three, first medium passage, the wind of the first water cooling heat exchanger of four-way reversing valve
Cold heat exchanger, expansion valve, the mouth of pipe one of the first medium passage of the second water cooling heat exchanger and four-way reversing valve join end to end successively,
To form heat pump.In the process of running, can be according to outdoor environment temperature situation, the selective water cooling heat exchanger of use first
Or air cooling heat exchanger provides the cool-heat-exchanger of heat pump operation, to absorb the cold and hot amount in ground source or air, and the
The cold and hot amount needed is provided with water installations for end by the second heat exchange circulation loop at two water cooling heat exchangers, enhances unit
The convenient, flexible property and environmental suitability of control, and unit can be allowed to realize intelligence fortune according to outdoor environment temperature by control system
OK.Particularly higher or when winter outdoor environment temperature is relatively low in summer outdoor environment temperature, the utility model can be by allowing ground
Source pipe laying unit and radiator fan are run simultaneously, to meet the big requirement of heat exchange amount, and are avoided that ground source temperature lifting or drop
The problem of low excessive influence heat exchange efficiency, it ensure that the performance and operation stability of unit.And in the winter time outdoor environment temperature compared with
When low, because the heat exchange efficiency of air cooling heat exchanger is relatively low, the utility model passes through ground source pipe laying unit and the first water cooling heat exchanger
The the first heat exchange circulation loop formed carries out refrigerant heat exchanger, it can be ensured that unit stable operation under worst cold case.As excellent
Change scheme, the utility model also allow end plate to change the primary side two-port of formula heat exchanger and corresponded to by the 5th pipeline and the 6th pipeline
It is connected with the first pipeline and the second pipeline, allows the tie point of the 5th pipeline and the first pipeline to be in the first valve and ground source pipe laying list
Between member, the tie point of the 6th pipeline and the second pipeline is allowed to be between the second valve and ground source pipe laying unit, and in the 5th pipe
The 3rd valve and the 4th valve are correspondingly provided with road and the 6th pipeline.This structure setting is in season in spring and autumn or outdoor environment temperature
When moderate, by making heat pump unit out of service, and by control corresponding valve allow ground source pipe laying unit by the first pipeline,
Second pipeline and corresponding 5th pipeline and the 6th pipeline provide the cold and hot amount needed for end with water installations, can be achieved notable
Energy-saving effect, and improve the overall Energy Efficiency Ratio of unit, practicality is stronger.
Shown embodiment is made into one to a kind of intelligent geothermal heat pump unit of the utility model below in conjunction with the accompanying drawings
Step describes in detail：
Brief description of the drawings
Fig. 1 is a kind of refrigeration mode schematic diagram of intelligent geothermal heat pump unit of the utility model；
Fig. 2 is a kind of heating mode schematic diagram of intelligent geothermal heat pump unit of the utility model.
Embodiment
A kind of schematic diagram of the embodiment of intelligent geothermal heat pump unit of the utility model as depicted in figs. 1 and 2,
Including heat pump unit 1, source pipe laying unit 2 and end plate type heat exchanger 3.Heat pump unit 1 specifically includes compressor 11, four-way changes
To valve 12, the first water cooling heat exchanger 13, air cooling heat exchanger 14, the water cooling heat exchanger 16 of expansion valve 15 and second, the heat exchange of the first water cooling
Be equipped with first medium passage and second medium passage in the water cooling heat exchanger 16 of device 13 and second, allow compressor 11 exhaust outlet and
Air entry is corresponding to be connected with the mouth of pipe four and the mouth of pipe two of four-way reversing valve 12, to realize that refrigeration and heating mode are changed, allows four
The logical mouth of pipe three of reversal valve 12, the first medium passage of the first water cooling heat exchanger 13, air cooling heat exchanger 14, expansion valve 15, second
The first medium passage of water cooling heat exchanger 16 and the mouth of pipe one of four-way reversing valve 12 join end to end successively, and in air cooling heat exchanger 14
Side set radiator fan 17.First circulation pump 21 is set in ground source pipe laying unit 2, and allows ground source pipe laying unit 2 to pass through
First pipeline 4 and the corresponding two-port with second medium passage in the first water cooling heat exchanger 13 of the second pipeline 5 connect and compose first
Heat exchange circulation loop.Make the two-port of second medium passage in the second water cooling heat exchanger 16 corresponding by the 3rd pipeline 6 and the
The primary side two-port that four pipelines 7 change formula heat exchanger 3 with end plate connects and composes the second heat exchange circulation loop, and in the second heat
Second circulation pump 61 is set in exchange cycles loop.Allow end plate to change the secondary side two-port of formula heat exchanger 3 in use to pass through
Pipeline is connected with end with water installations, and cold and hot water is used to be provided for it.
By above structure setting just constitute it is a kind of it is simple in construction, control is flexible, stable, strong adaptability, efficiency
Than high intelligent geothermal heat pump unit.In actual applications, the utility model is by allowing the exhaust outlet and air-breathing of compressor 11
Mouth is corresponding to be connected with the mouth of pipe four and the mouth of pipe two of four-way reversing valve 12, allows the mouth of pipe three of four-way reversing valve 12, the first water cooling to exchange heat
First medium passage, air cooling heat exchanger 14, expansion valve 15, the first medium passage and four-way of the second water cooling heat exchanger 16 of device 13
As soon as the mouth of pipe of reversal valve 12 joins end to end successively, heat pump is constituted.In the process of running, can be according to outdoor environment temperature
Situation, selective uses the cool-heat-exchanger that the first water cooling heat exchanger 13 or air cooling heat exchanger 14 are run as heat pump,
To absorb the cold and hot amount in ground source or air, and by the second heat exchange circulation loop it is end at the second water cooling heat exchanger 16
The cold and hot amount needed is provided with water installations, enhances the convenient, flexible property and environmental suitability of unit allocation, and control can be passed through
System allows unit to realize intelligent operation according to outdoor environment temperature.Particularly summer outdoor environment temperature is higher or winter room outside
When environment temperature is relatively low, the utility model ground source pipe laying unit 2 and radiator fan 17 while can be run by allowing, to meet to exchange heat
The problem of measuring big requirement, and being avoided that ground source temperature lifting or reduce excessive influence heat exchange efficiency, ensure that the property of unit
Energy and operation stability.And when outdoor environment temperature is relatively low in the winter time, because the heat exchange efficiency of air cooling heat exchanger 14 is relatively low, this reality
Refrigerant is carried out with new the first heat exchange circulation loop being made up of ground source pipe laying unit 2 and the first water cooling heat exchanger 13 to change
Heat, it can be ensured that unit stable operation under worst cold case.It is pointed out that end refers mainly to air-conditioning with water installations described in text
With water installations, but not limited to this, the utility model intelligent geothermal heat pump unit are equally applicable to use for other kinds of end
Water installations offer is cold and hot to use water.
As prioritization scheme, to improve the convenient, flexible property of control, present embodiment is in the first pipeline 4 and the second pipe
The first valve 41 and the second valve 51 have been correspondingly arranged on road 5, can make ground source by cutting off the first valve 41 and the second valve 51
Pipe laying unit 2 stops providing cold and hot amount to the first water cooling heat exchanger 13.Meanwhile present embodiment also allows the end plate formula of changing to be changed
The primary side two-port of hot device 3 is connected by the way that the 5th pipeline 8 and the 6th pipeline 9 are corresponding with the first pipeline 4 and the second pipeline 5, is allowed
The tie point of 5th pipeline 8 and the first pipeline 4 is between the first valve 41 and ground source pipe laying unit 2, allows the 6th pipeline 9 and the
The tie point of two pipelines 5 is between the second valve 51 and ground source pipe laying unit 2, and right on the 5th pipeline 8 and the 6th pipeline 9
3rd valve 81 and the 4th valve 91 should be set.This structure setting passes through in season in spring and autumn or moderate outdoor environment temperature
Make heat pump unit out of service, and by control corresponding valve allow ground source pipe laying unit by the first pipeline, the second pipeline with
And corresponding 5th pipeline and the 6th pipeline provide the cold and hot amount needed for end with water installations, significant energy-conservation effect can be achieved
Fruit, and the overall Energy Efficiency Ratio of unit is improved, it further enhancing practicality.
It should be noted that the first valve 41, the second valve 51, the 3rd valve 81 in the utility model in actually using
Use electronic control valve with the 4th valve 91, and provided with including control unit, and allow control unit respectively with compressor 11, four-way
Reversal valve 12, wind-cooling heat dissipating fan 17, first circulation pump 21, second circulation pump 61, the first valve 41, the second valve the 51, the 3rd
The valve 91 of valve 81 and the 4th electrically connects, to realize intelligent control.
To help it will be understood by those skilled in the art that the utility model, intelligent ground source heat a kind of to the utility model below
The operation of pump assembly and control process make schematic illustration.
Cooling in summer pattern：
According to outdoor environment temperature situation, selective enables ground source pipe laying unit 2 or radiator fan 17, now the first water
Cold heat exchanger 13 and air cooling heat exchanger 14 use as the condenser of heat pump unit 1, and the second water cooling heat exchanger 16 is used as heat pump
The evaporator of unit 1 is used, and compressor 11 is vented by four-way reversing valve 12 successively through the first water cooling heat exchanger 13, air cooling heat exchanger
14th, the water cooling heat exchanger 16 of expansion valve 15 and second, last refrigerant return to the suction side of compressor 11 through four-way reversing valve 12.Fortune
During row, cold-producing medium stream through the first water cooling heat exchanger 13 and during air cooling heat exchanger 14 by condensation to ground source pipe laying unit 2 or
Heat is discharged in air；Cold-producing medium stream passes through the second heat exchange through absorbing heat by evaporating during the second water cooling heat exchanger 16
Circulation loop is that end plate type heat exchanger 3 provides cold, and end plate type heat exchanger 3 is that end is used with water-flow circuit by end
Water installations provide cold.
When summer, outdoor environment temperature was higher, for avoid because condensing heat-exchange amount greatly caused by ground source temperature lifting it is too big,
The problem of influenceing heat exchange efficiency, now the utility model ground source pipe laying unit 2 and radiator fan 17 while started by allowing, with reality
Now part water-cooling and wind-cooling heat dissipating are carried out simultaneously, it can be ensured that the stability of unit operation.
Winter heating's pattern：
According to outdoor environment temperature situation, selective startup ground source pipe laying unit 2 or radiator fan 17, now pass through four
Logical reversal valve 12 changes refrigerant flow direction, allows the evaporation of the first water cooling heat exchanger 13 and air cooling heat exchanger 14 as heat pump unit 1
Device is used, and the second water cooling heat exchanger 16 uses as the condenser of heat pump unit 1, and compressor 11 is vented by four-way reversing valve 12
Successively through the second water cooling heat exchanger 16, expansion valve 15, the water cooling heat exchanger 13 of air cooling heat exchanger 14 and first, last refrigerant is through four
Logical reversal valve 12 returns to the suction side of compressor 11.In running, cold-producing medium stream through during the second water cooling heat exchanger 16 by cold
Solidifying release heat, and be that end plate type heat exchanger 3 provides heat, end plate type heat exchanger 3 by the second heat exchange circulation loop
By end heat is provided with water-flow circuit with water installations for end；Cold-producing medium stream is changed through the water cooling of air cooling heat exchanger 14 and first
By evaporating the heat absorbed in ground source pipe laying unit 2 or air during hot device 13.
When winter, outdoor environment temperature was relatively low, now because the heat exchange efficiency of air cooling heat exchanger 14 is relatively low, this practicality is new
Type ground source pipe laying unit 2 and radiator fan 17 while is started by allowing, and ground source pipe laying unit 2 passes through the first heat exchange circulation loop
Refrigerant heat exchanger is carried out at the first water cooling heat exchanger 13, it can be ensured that unit stable operation under worst cold case.
When season in spring and autumn or moderate outdoor environment temperature, the utility model makes by making heat pump unit 1 out of service
One valve 41 and the second valve 51 are closed, and allow the 3rd valve 81 and the 4th valve 91 to open, and now allow ground source pipe laying unit 2 logical
It is that end plate type heat exchanger 3 provides cold and hot amount, end to cross the first pipeline, the second pipeline and corresponding 5th pipeline and the 6th pipeline
End plate type heat exchanger 3 provides the cold and hot amount needed for end with water-flow circuit by end with water installations, can be achieved significant
Energy-saving effect.
Above example is only the description carried out to preferred embodiment of the present utility model, not please to the utility model
The restriction of protection domain is asked, on the premise of the utility model design spirit is not departed from, this area engineers and technicians are according to this
The various forms of deformations that the technical scheme of utility model is made, the guarantor that claims of the present utility model determine all should be fallen into
In the range of shield.
Claims (5)
1. a kind of intelligent geothermal heat pump unit, including heat pump unit (1), source pipe laying unit (2) and end plate type heat exchanger
(3), it is characterised in that the heat pump unit (1) includes compressor (11), four-way reversing valve (12), the first water cooling heat exchanger
(13), air cooling heat exchanger (14), expansion valve (15) and the second water cooling heat exchanger (16), the first water cooling heat exchanger (13) and the second water
First medium passage and second medium passage are equipped with cold heat exchanger (16), the exhaust outlet and air entry of compressor (11) are corresponding
It is connected with the mouth of pipe four and the mouth of pipe two of four-way reversing valve (12), the mouth of pipe three, the first water cooling heat exchanger of four-way reversing valve (12)
(13) first medium passage, air cooling heat exchanger (14), expansion valve (15), the first medium passage of the second water cooling heat exchanger (16)
Joined end to end successively with the mouth of pipe one of four-way reversing valve (12), the side of air cooling heat exchanger (14) is provided with radiator fan (17)；Institute
State and be provided with first circulation pump (21) in ground source pipe laying unit (2), and pass through the first pipeline (4) and the second pipeline (5) correspondence and the
The two-port of second medium passage connects and composes the first heat exchange circulation loop in one water cooling heat exchanger (13)；Second water cooling exchanges heat
The two-port of second medium passage is corresponding in device (16) changes formula heat exchange by the 3rd pipeline (6) and the 4th pipeline (7) with end plate
The primary side two-port of device (3) connects and composes the second heat exchange circulation loop, is followed in the second heat exchange circulation loop provided with second
Ring pump (61)；The secondary side two-port that end plate changes formula heat exchanger (3) is used to be connected with end with water installations by pipeline.
2. according to a kind of intelligent geothermal heat pump unit described in claim 1, it is characterised in that first pipeline (4) and
The first valve (41) and the second valve (51) are correspondingly provided with second pipeline (5).
3. according to a kind of intelligent geothermal heat pump unit described in claim 2, it is characterised in that the end plate changes formula heat exchange
The primary side two-port of device (3) is also corresponded to and the first pipeline (4) and the second pipeline by the 5th pipeline (8) and the 6th pipeline (9)
(5) connect, the tie point of the 5th pipeline (8) and the first pipeline (4) be in the first valve (41) and source pipe laying unit (2) it
Between, the tie point of the 6th pipeline (9) and the second pipeline (5) is between the second valve (51) and ground source pipe laying unit (2), and the 5th
The 3rd valve (81) and the 4th valve (91) are correspondingly provided with pipeline (8) and the 6th pipeline (9).
4. according to a kind of intelligent geothermal heat pump unit described in claim 3, it is characterised in that first valve (41),
Second valve (51), the 3rd valve (81) and the 4th valve (91) are electronic control valve.
5. according to a kind of intelligent geothermal heat pump unit described in claim 4, it is characterised in that also including control unit, institute
State control unit respectively with compressor (11), four-way reversing valve (12), wind-cooling heat dissipating fan (17), first circulation pump (21),
Two circulating pumps (61), the first valve (41), the second valve (51), the 3rd valve (81) and the electrical connection of the 4th valve (91).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720336572.6U CN206670115U (en) | 2017-03-31 | 2017-03-31 | A kind of intelligent geothermal heat pump unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720336572.6U CN206670115U (en) | 2017-03-31 | 2017-03-31 | A kind of intelligent geothermal heat pump unit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206670115U true CN206670115U (en) | 2017-11-24 |
Family
ID=60366519
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
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| CN201720336572.6U Active CN206670115U (en) | 2017-03-31 | 2017-03-31 | A kind of intelligent geothermal heat pump unit |
Country Status (1)
| Country | Link |
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| CN (1) | CN206670115U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106895599A (en) * | 2017-03-31 | 2017-06-27 | 际高贝卡科技有限公司 | A kind of intelligent geothermal heat pump unit |
-
2017
- 2017-03-31 CN CN201720336572.6U patent/CN206670115U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106895599A (en) * | 2017-03-31 | 2017-06-27 | 际高贝卡科技有限公司 | A kind of intelligent geothermal heat pump unit |
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Address after: 100086 Beijing Haidian District Zhongguancun South Avenue a 6 704 Patentee after: Hi-tech limited company Address before: 100086 Beijing Haidian District Zhongguancun South Avenue a 6 704 Patentee before: HUNDRED BEKA TECHNOLOGY CO., LTD. |