CN220541214U - Air source heat pump system for preparing domestic hot water in construction site temporary building - Google Patents
Air source heat pump system for preparing domestic hot water in construction site temporary building Download PDFInfo
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- CN220541214U CN220541214U CN202322152743.8U CN202322152743U CN220541214U CN 220541214 U CN220541214 U CN 220541214U CN 202322152743 U CN202322152743 U CN 202322152743U CN 220541214 U CN220541214 U CN 220541214U
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- hot water
- domestic hot
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- source heat
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 118
- 238000010276 construction Methods 0.000 title claims abstract description 13
- 238000004378 air conditioning Methods 0.000 claims abstract description 18
- 238000002791 soaking Methods 0.000 claims abstract description 10
- 238000007667 floating Methods 0.000 claims description 11
- 238000007654 immersion Methods 0.000 claims description 10
- 238000005538 encapsulation Methods 0.000 claims description 7
- 230000005484 gravity Effects 0.000 claims description 3
- 238000001816 cooling Methods 0.000 abstract description 8
- 238000009833 condensation Methods 0.000 abstract description 5
- 230000005494 condensation Effects 0.000 abstract description 5
- 238000013461 design Methods 0.000 abstract description 3
- 238000011084 recovery Methods 0.000 abstract description 3
- 239000003507 refrigerant Substances 0.000 description 9
- 238000000034 method Methods 0.000 description 8
- 238000004140 cleaning Methods 0.000 description 4
- 238000004806 packaging method and process Methods 0.000 description 4
- 238000010438 heat treatment Methods 0.000 description 3
- 238000001514 detection method Methods 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000011835 investigation Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 239000012466 permeate Substances 0.000 description 1
- 238000005057 refrigeration Methods 0.000 description 1
- 239000013049 sediment Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Classifications
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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
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
- Y02B30/12—Hot water central heating systems using heat pumps
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- Domestic Hot-Water Supply Systems And Details Of Heating Systems (AREA)
Abstract
The utility model discloses an air source heat pump system for preparing domestic hot water in a temporary building of a construction site, which comprises an air source heat pump unit, an air-cooled condenser, a soaking condenser, a domestic hot water tank, a controller, an office air conditioning system and a domestic shower system, wherein the air source heat pump unit is communicated with the soaking condenser through a first electric valve and is communicated with the air-cooled condenser through a second electric valve, the soaking condenser is positioned in the domestic hot water tank, the controller is connected with the first electric valve, the second electric valve and a temperature sensor in the domestic hot water tank, the air source heat pump unit is connected with the office air conditioning system, and the domestic hot water tank is connected with the domestic shower system. The utility model relates to the technical field of cooling and domestic hot water supply. When the system is used for refrigerating in summer, the heat recovery can be carried out on the condensation heat of the air source heat pump, the domestic hot water can be prepared freely, the project cost is saved, and the main equipment components are in modularized design, so that the system has good cost saving for the temporary construction of construction sites.
Description
Technical Field
The utility model relates to a domestic hot water supply system, in particular to an air source heat pump system for preparing domestic hot water on site.
Background
In recent years, the development speed of the building industry in China is rapid. Under the background of large development of industry, the comfort level requirement of the building site temporary building is gradually improved, and the energy supply requirement can become more green and energy-saving. Although the building body is large in China, the energy supply standard of the temporary building is not uniform, and the phenomenon of energy waste is serious. Therefore, energy conservation and environmental protection and operation cost control of building energy supply on the construction site must be considered important.
At present, the heating, cooling and heating hot water supply modes of the temporary building mainly comprise the following schemes:
1. the office area and the living area adopt a split air conditioning system, and the living hot water adopts an electric water heater or an air source heat pump system;
2. the office area and the living area adopt an air source heat pump system, and the living hot water is provided with a set of air source heat pump system;
3. a combined system form of a split air conditioner and a boiler is adopted;
through investigation, the above schemes are all adopted for the temporary construction of energy supply systems on the construction site, but the basic thought is to independently arrange an air conditioning system and a domestic hot water system, and the heat recovery is not carried out by considering the condensation heat of an air source heat pump during cooling, but the heat is directly discharged into the air, and the system is not further optimized, so that the partial heat is recovered.
Disclosure of Invention
(one) solving the technical problems
Aiming at the defects of the prior art, the utility model provides an air source heat pump system for preparing domestic hot water on a building site, which solves the problem that the condensation heat of the air source heat pump is combined with the domestic hot water system when an air conditioning system supplies cold. The technical scheme is as follows:
the utility model provides an air source heat pump system for building just in time prepares life hot water, includes air source heat pump unit, forced air cooling condenser, soak formula condenser, life hot-water tank, controller, office area air conditioning system and life district shower system, air source heat pump unit communicates with soak formula condenser through first motorised valve, communicates with forced air cooling condenser through the second motorised valve, soak formula condenser is located inside the life hot-water tank, the controller is connected with first motorised valve, second motorised valve and the inside temperature sensor of life hot-water tank, air source heat pump unit and office area air conditioning system interconnect, life hot-water tank and life district shower system interconnect.
An air-conditioning circulating pump is arranged on a pipeline of the office area air-conditioning system connected with the air source heat pump unit, and a domestic hot water circulating pump is arranged on a pipeline of the living area shower system connected with the domestic hot water tank.
The domestic hot water tank includes: the box body is provided with a square box body, a cleaning hole formed in the middle of the bottom of the square box body, a packaging plug plate arranged on the inner surface of the cleaning hole, positioning frame plates arranged on two sides of the packaging plug plate at the bottom of the square box body, and a life water pipe arranged in the inner cavity of the square box body and above the cleaning hole.
The outer surface of the packaging plug plate is connected with the positioning frame plate, the life water pipe penetrates through the box body and extends to the outer surface of the box body, and two ends of the life water pipe are communicated with the life hot water circulating pump.
The immersion condenser includes: the circulating pipe comprises a square circulating pipe, a first circulating pipe, a top flow spherical shell, a distance column, an underflow spherical shell, a condensing pipe and a second circulating pipe, wherein the first circulating pipe is arranged on the outer surface of the square circulating pipe, the top flow spherical shell is arranged at the bottom of the corner of the square circulating pipe, the distance column is arranged at the bottom of the top flow spherical shell, the underflow spherical shell is arranged at the bottom of the distance column, the condensing pipe is arranged on one side, far away from the box body of the domestic hot water tank, of the outer surface of the top flow spherical shell, and the second circulating pipe is arranged at the bottom of the underflow spherical shell.
The top of the top flow spherical shell is communicated with the return pipe, one end of the second circulating pipe, which is far away from the bottom flow spherical shell, penetrates through the box body and extends to the outer surface of the box body, and one ends of the first circulating pipe and the second circulating pipe, which are far away from the domestic hot water tank, are communicated with the first electric valve.
The bottom of the outer surface of the underflow spherical shell is movably connected with the box body, and the top of the outer surface of the overflow spherical shell is movably connected with the return pipe.
The temperature sensor includes: the floating control plate is provided with a disc plate body, a signal column arranged at the bottom of the disc plate body, a temperature sensing ball arranged at the bottom of the signal column, column springs arranged at two sides of the inner surface of the temperature sensing ball, and a gravity center column arranged at one end of the column spring far away from the temperature sensing.
The floating control plate is positioned in the inner cavity of the box body of the domestic hot water box, and the outer surface of the floating control plate is connected with the box body.
The utility model has the following beneficial effects:
firstly, this an air source heat pump system for building in the building site prepares domestic hot water, through adopting this system when refrigerating in summer, can carry out the heat recovery to air source heat pump condensation heat, free prepare domestic hot water, save project expense, main equipment part modularization design in the system, convenient to detach and installation, but reuse has fine cost saving to building in the building site.
Secondly, the air source heat pump system for preparing domestic hot water is designed integrally by a condenser and a water tank, a refrigerant pipe interface is reserved, and a refrigerant pipe interface is reserved in an outdoor air-cooled condenser; the heat pump host, the immersion type condenser water tank and the air-cooled condenser are modularized, so that the heat pump host, the immersion type condenser water tank and the air-cooled condenser are convenient to assemble and disassemble, and can be moved to the next new opening project for continuous use after the heat pump host, the immersion type condenser water tank and the air-cooled condenser are used.
(III), this an air source heat pump system for building prepare domestic hot water in building site is convenient for clear up the inside clearance of box through setting up of clearance hole and encapsulation cock plate, avoids domestic water to use for a long time and leads to the deposit of incrustation scale, keeps the inside neatness of box, prevents that equipment internals from receiving the interference of incrustation scale, the inside safe in utilization of protection equipment.
And fourthly, the air source heat pump system for preparing domestic hot water is temporarily built on a construction site, friction force between the air source heat pump system and the box body is reduced through the arrangement of the top flow spherical shell and the bottom flow spherical shell, the condenser tube can swing in water flow in the use process conveniently, the contact area of the condenser tube and water in the box body is increased, the lifting speed of temperature in the water flow is improved, and the heat utilization rate is increased.
And fifthly, the air source heat pump system for preparing domestic hot water in the temporary construction of the construction site ensures that the temperature sensing ball is vertically immersed in water flow through the arrangement of the barycentric column, avoids the inclination of the temperature sensing ball caused by the buoyancy of the water flow, reduces the contact area of the temperature sensing ball and the water flow, keeps the sufficient contact of the temperature sensing ball and the water flow, and improves the certainty of water flow temperature detection.
Drawings
FIG. 1 is a schematic block diagram of an air source heat pump system of the present utility model;
FIG. 2 is a schematic view of a portion of the structure of the air source heat pump system of the present utility model;
FIG. 3 is a schematic view of the structure of the domestic hot water tank and the immersion condenser of the present utility model;
FIG. 4 is a schematic view of a part of the structure of the domestic hot water tank of the present utility model;
FIG. 5 is a schematic view of a portion of the structure of a submerged condenser according to the present utility model;
FIG. 6 is a schematic diagram of a temperature sensor according to the present utility model;
in the figure: 1. an air source heat pump unit; 2. an air-cooled condenser; 3. a soaking condenser; 31. a loop-shaped tube; 32. a first circulation pipe; 33. a top flow spherical shell; 34. distance columns; 35. an underflow spherical shell; 36. a condensing tube; 37. a second circulation pipe; 4. an air conditioner circulating pump; 5. a domestic hot water circulating pump; 6. a domestic hot water tank; 61. a case; 62. cleaning the hole; 63. packaging the plug board; 64. positioning a frame plate; 65. a domestic water pipe; 7. a first electrically operated valve; 8. a second electrically operated valve; 9. a temperature sensor; 91. a floating control plate; 92. a signal column; 93. a temperature sensing ball; 94. a column spring; 95. a center of gravity column; 10. and a controller.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
As shown in fig. 1, the air source heat pump system for preparing domestic hot water for a building site comprises an air source heat pump unit 1, an air-cooled condenser 2, a soaking condenser 3, an air-conditioning circulating pump 4, a domestic hot water circulating pump 5, a domestic hot water tank 6, a first electric valve 7, a second electric valve 8, a temperature sensor 9, a controller 10, an office air-conditioning system 11 and a domestic shower system 12, wherein the domestic hot water tank 6 is provided with the temperature sensor 9.
The air source heat pump unit 1 is communicated with the soaking condenser 3 through the first electric valve 7, the air source heat pump unit 1 is communicated with the air-cooled condenser 2 through the second electric valve 8, the air source heat pump unit 1 is mutually connected with the office air conditioning system 11, an air conditioning circulating pump 4 is arranged on a pipeline of the office air conditioning system 11 leading to the air source heat pump unit 1, the living hot water tank 6 is mutually connected with the living area shower system 12, and a pipeline of the living area shower system 12 leading to the living hot water tank 6 is provided with the living hot water circulating pump 5. Therefore, the air source heat pump cooling system can be adopted according to the close layout of the working area and the living area of the building site and simultaneously has the requirements of cooling and living hot water, and the condensation heat discharged during cooling is utilized for heating the living hot water, so that the living hot water is ensured to be prepared freely, and the purpose of saving energy is achieved.
The soaking type condenser 3 is positioned in the domestic hot water tank 6, the soaking type condenser 3 and the domestic hot water tank 6 are integrally designed, a refrigerant pipe interface is reserved, and a refrigerant pipe interface is reserved in the outdoor air-cooled condenser 2; the air source heat pump unit 1, the immersion type condenser 3 and the air-cooled condenser 2 are modularized, so that the assembly and the disassembly are convenient, and the air source heat pump unit can be moved to the next new opening project for continuous use after the use is finished.
The first electric valve 7 and the second electric valve 8 are connected with the controller 10, the temperature sensor 9 is positioned inside the domestic hot water tank 6, and the temperature sensor 9 is connected with the controller 10.
As shown in fig. 2 and 3, the domestic hot water tank 6 includes:
the box 61, this box 61 has square box, and set up the clearance hole 62 in square bottom of the case intermediate position, and install the encapsulation cock plate 63 at clearance hole 62 internal surface, clearance hole 62 and encapsulation cock plate 63's setting is convenient for clear up the inside box 61, avoid the domestic water to use the sediment that leads to the incrustation scale for a long time, keep the inside neatness of box 61, prevent equipment internals from receiving the interference of incrustation scale, the inside safe in utilization of protection equipment, and install the locating rack plate 64 in square box 61 bottom and be located encapsulation cock plate 63 both sides, and set up the domestic water pipe 65 at square box inner chamber and be located clearance hole 62 top.
As shown in fig. 5, the outer surface of the packing stopper 63 is connected with the positioning frame plate 64, and the domestic water pipe 65 penetrates the tank 61 and extends to the outer surface of the tank 61, and both ends of the domestic water pipe 65 are communicated with the domestic hot water circulation pump 5.
As shown in fig. 4, the immersion condenser 3 includes:
the return pipe 31 is provided with a square return pipe, a first circulating pipe 32 arranged on the outer surface of the square return pipe, a top flow spherical shell 33 arranged at the bottom of the corner of the square return pipe, a distance column 34 arranged at the bottom of the top flow spherical shell 33, an underflow spherical shell 35 arranged at the bottom of the distance column 34, and a condensing pipe 36 arranged on the side, far away from the box 61, of the outer surface of the top flow spherical shell 33, wherein the arrangement of the top flow spherical shell 33 and the underflow spherical shell 35 reduces friction force with the box 61, facilitates the swing of the condensing pipe 36 in water flow in use, increases the contact area of the condensing pipe 36 and water in the box 61, increases the lifting speed of temperature in water flow, increases the utilization rate of heat and a second circulating pipe 37 arranged at the bottom of the underflow spherical shell 35.
The top of the top flow spherical shell 33 is communicated with the return pipe 31, one end of the second circulating pipe 37, which is far away from the bottom flow spherical shell 35, penetrates through the box body 61 and extends to the outer surface of the box body 61, one end of the first circulating pipe 32 and the second circulating pipe 37, which is far away from the domestic hot water tank 6, are communicated with the first electric valve 7, water in the box body 61 is heated, the water flows can generate position exchange with each other due to temperature difference, and reciprocating swinging of the position of the condensing pipe 36 in the water flow is promoted.
The bottom of the outer surface of the underflow spherical shell 35 is movably connected with the box body 61, and the top of the outer surface of the top flow spherical shell 33 is movably connected with the return pipe 31.
As shown in fig. 6, the temperature sensor 9 includes:
the floating control plate 91, this floating control plate 91 has the disc plate body, and install the signal post 92 in disc plate body bottom, and install the temperature sensing ball 93 in signal post 92 bottom, and install the post spring 94 in temperature sensing ball 93 internal surface both sides, and install the focus post 95 of keeping away from temperature sensing ball 93 one end at post spring 94, the setting of focus post 95 ensures that temperature sensing ball 93 submergence in rivers perpendicularly, avoid the buoyancy of rivers to make temperature sensing ball 93 produce the slope, reduce the area of contact of temperature sensing ball 93 with rivers, keep the temperature sensing ball 93 fully contact with rivers, promote the certainty to rivers temperature detection.
The floating control plate 91 is positioned in the inner cavity of the box body 61, and the outer surface of the floating control plate 91 is connected with the box body 61.
When in use, the method comprises the following steps:
step one: when the air source heat pump supplies cold, the air source heat pump 1 refrigerates, and the air source heat pump carries out refrigeration circulation in the office area through the air conditioner circulating water pump 4;
step two: the controller 10 starts the first electric valve 7 at the initial stage, the second electric valve 8 is closed, the refrigerant is conveyed to the soaking condenser 3 for refrigerant circulation through the compressor in the air source heat pump 1, and meanwhile, heat is discharged into the domestic hot water tank 6;
step three: the refrigerant enters the return pipe 31, the top flow spherical shell 33, the condensing pipe 36 and the bottom flow spherical shell 35 through the first circulating pipe 32 and the second circulating pipe 37 for flowing circulation, and the heat in the refrigerant permeates into the water in the box body 61 of the domestic hot water tank 6;
step four: when the temperature sensor 9 in the domestic hot water tank 6 reaches a set value, the controller 10 controls the first electric valve 7 to be closed, the second electric valve 8 to be opened, and the refrigerant is switched to the outdoor air-cooled condenser 2 for circulation, so that heat is discharged to the outdoor atmosphere;
step five: when the domestic hot water is circulated and the domestic hot water tank 6 reaches the design temperature, the domestic hot water circulating pump 5 is started to convey the hot water in the domestic hot water tank 6 to a living area for shower use.
It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising one does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises an element.
Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (9)
1. An air source heat pump system for preparing domestic hot water in a building site temporary building comprises an air source heat pump unit (1), an air-cooled condenser (2), a soaking condenser (3), a domestic hot water tank (6), a controller (10), an office area air conditioning system (11) and a living area shower system (12), and is characterized in that: the air source heat pump unit (1) is communicated with the immersion type condenser (3) through the first electric valve (7), is communicated with the air-cooled condenser (2) through the second electric valve (8), the immersion type condenser (3) is located inside the domestic hot water tank (6), the controller (10) is connected with the first electric valve (7), the second electric valve (8) and a temperature sensor (9) inside the domestic hot water tank (6), the air source heat pump unit (1) is mutually connected with an office air conditioning system (11), and the domestic hot water tank (6) is mutually connected with a domestic shower system (12).
2. An air source heat pump system for preparing domestic hot water in a building site as claimed in claim 1, wherein: and an air conditioning circulating pump (4) is arranged on a pipeline of the office area air conditioning system (11) connected with the air source heat pump unit (1), and a domestic hot water circulating pump (5) is arranged on a pipeline of the living area shower system (12) connected with the domestic hot water tank (6).
3. An air source heat pump system for preparing domestic hot water in a building site as claimed in claim 1, wherein: the domestic hot water tank (6) comprises:
the box body (61), this box body (61) have square box body, and offer clearance hole (62) of square bottom of the box intermediate position, and install encapsulation cock sheet (63) of clearance hole (62) internal surface, and install square bottom of the box body is for being located encapsulation cock sheet (63) both sides locating frame plate (64), and set up square box inner chamber just be located life water pipe (65) of clearance hole (62) top.
4. An air source heat pump system for preparing domestic hot water for temporary construction at a construction site according to claim 3, wherein: the pipeline that living area shower system (12) connect living hot-water tank (6) is provided with living hot-water circulation pump (5), encapsulation cock plate (63) surface with locating rack board (64) are connected, just living water pipe (65) run through box (61) and extend to box (61) surface, and living water pipe (65) both ends with living hot-water circulation pump (5) intercommunication.
5. An air source heat pump system for preparing domestic hot water in a building site as claimed in claim 1, wherein: the immersion condenser (3) comprises:
a return pipe (31), the return pipe (31) is provided with a square return pipe, a first circulating pipe (32) arranged on the outer surface of the square return pipe, a top flow spherical shell (33) arranged at the bottom of the corner of the square return pipe, a distance column (34) arranged at the bottom of the top flow spherical shell (33), an underflow spherical shell (35) arranged at the bottom of the distance column (34), a condensing pipe (36) arranged on one side of the outer surface of the top flow spherical shell (33) away from a box body (61) of the domestic hot water tank (6), and a second circulating pipe (37) arranged at the bottom of the underflow spherical shell (35).
6. An air source heat pump system for preparing domestic hot water in a building site as claimed in claim 5, wherein: the top of the top flow spherical shell (33) is communicated with the return pipe (31), one end of the second circulating pipe (37) away from the bottom flow spherical shell (35) penetrates through the box body (61) and extends to the outer surface of the box body (61), and one ends of the first circulating pipe (32) and the second circulating pipe (37) away from the domestic hot water tank (6) are communicated with the first electric valve (7).
7. An air source heat pump system for preparing domestic hot water in a building site as claimed in claim 6, wherein: the bottom of the outer surface of the underflow spherical shell (35) is movably connected with the box body (61), and the top of the outer surface of the top flow spherical shell (33) is movably connected with the return pipe (31).
8. An air source heat pump system for preparing domestic hot water in a building site as claimed in claim 1, wherein: the temperature sensor (9) comprises:
the floating control plate (91) is provided with a disc plate body, a signal column (92) arranged at the bottom of the disc plate body, a temperature sensing ball (93) arranged at the bottom of the signal column (92), column springs (94) arranged on two sides of the inner surface of the temperature sensing ball (93), and a gravity center column (95) arranged at one end, far away from the temperature sensing ball (93), of the column springs (94).
9. An air source heat pump system for preparing domestic hot water in a worksite temporary setting as set forth in claim 8, wherein: the floating control plate (91) is positioned in the inner cavity of the box body (61) of the domestic hot water tank (6), and the outer surface of the floating control plate (91) is connected with the box body (61).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322152743.8U CN220541214U (en) | 2023-08-11 | 2023-08-11 | Air source heat pump system for preparing domestic hot water in construction site temporary building |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322152743.8U CN220541214U (en) | 2023-08-11 | 2023-08-11 | Air source heat pump system for preparing domestic hot water in construction site temporary building |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220541214U true CN220541214U (en) | 2024-02-27 |
Family
ID=89966126
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322152743.8U Active CN220541214U (en) | 2023-08-11 | 2023-08-11 | Air source heat pump system for preparing domestic hot water in construction site temporary building |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220541214U (en) |
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2023
- 2023-08-11 CN CN202322152743.8U patent/CN220541214U/en active Active
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