CN220017571U - Energy-saving air conditioning box system - Google Patents
Energy-saving air conditioning box system Download PDFInfo
- Publication number
- CN220017571U CN220017571U CN202320495868.8U CN202320495868U CN220017571U CN 220017571 U CN220017571 U CN 220017571U CN 202320495868 U CN202320495868 U CN 202320495868U CN 220017571 U CN220017571 U CN 220017571U
- Authority
- CN
- China
- Prior art keywords
- conditioning box
- air conditioning
- temperature
- hot water
- low
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 238000004378 air conditioning Methods 0.000 title claims abstract description 183
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 200
- 230000001105 regulatory effect Effects 0.000 abstract description 2
- 238000004891 communication Methods 0.000 description 6
- 229910001335 Galvanized steel Inorganic materials 0.000 description 3
- 239000008397 galvanized steel Substances 0.000 description 3
- 239000011248 coating agent Substances 0.000 description 2
- 238000000576 coating method Methods 0.000 description 2
- 230000001276 controlling effect Effects 0.000 description 2
- 238000005265 energy consumption Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000003973 paint Substances 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
Landscapes
- Other Air-Conditioning Systems (AREA)
Abstract
The utility model relates to an energy-saving air conditioning box system which comprises a first air conditioning box, a second air conditioning box, a low-temperature air conditioning box pipeline assembly, a high-temperature hot water pipeline assembly, an electric proportional control valve, a pipeline pump and a water collecting pipe, wherein the first air conditioning box is connected with the first air conditioning box; the low-temperature air conditioning box pipeline assembly is connected with the first air conditioning box and the second air conditioning box respectively; the high-temperature hot water pipeline assembly is respectively connected with the first air conditioning box and the second air conditioning box; a water collecting pipe is arranged on the high-temperature hot water pipeline assembly; an electric proportional regulating valve is arranged on the high-temperature hot water pipeline component; and a pipeline pump is arranged on the high-temperature hot water pipeline assembly. Compared with the prior art, the energy-saving air conditioning box system can solve the heat supply requirement in transitional seasons, can achieve the purpose of energy saving and can ensure the stable operation of the system.
Description
Technical Field
The utility model relates to the technical field of air conditioning box energy supply, in particular to an energy-saving air conditioning box system.
Background
The temperature and humidity regulation of the paint coating workshop adopts an air supply and energy supply mode of an air conditioner box. In order to meet the requirements of the production process, when the heat supply needs to be carried out in transitional seasons (during non-factory heating), an energy center needs to start two air-conditioning boxes of a single-supply coating workshop of a 60 ℃ domestic hot water system, the supply and the demand are extremely unbalanced, and the system has the phenomena of high energy consumption and unstable operation.
Accordingly, there is a need for an energy efficient air conditioning system that achieves the goals of energy demand and reduced energy consumption in the annual transition season.
Disclosure of Invention
The utility model aims to overcome the defects of the prior art and provide an energy-saving air conditioning box system, and the energy-saving air conditioning box system in the scheme can solve the heat supply requirement in transitional seasons by arranging a hot water pipeline assembly, an electric proportional control valve, a pipeline pump and a water collecting pipe and connecting 90 ℃ normal hot water as a heat source of the air conditioning box, thereby achieving the purpose of energy saving and ensuring the stable operation of the system.
The aim of the utility model can be achieved by the following technical scheme:
the utility model aims to provide an energy-saving air conditioning box system which comprises a first air conditioning box, a second air conditioning box, a low-temperature air conditioning box pipeline assembly, a high-temperature hot water pipeline assembly, an electric proportional control valve, a pipeline pump and a water collecting pipe; the low-temperature air conditioning box pipeline assembly is connected with the first air conditioning box and the second air conditioning box respectively; the high-temperature hot water pipeline assembly is respectively connected with the first air conditioning box and the second air conditioning box; a water collecting pipe is arranged on the high-temperature hot water pipeline assembly; an electric proportional regulating valve is arranged on the high-temperature hot water pipeline component; and a pipeline pump is arranged on the high-temperature hot water pipeline assembly.
Further, the low-temperature air conditioning box pipeline assembly comprises a low-temperature air conditioning box water supply pipe and a low-temperature air conditioning box water return pipe; the low-temperature air-conditioning box water supply pipe is respectively connected with the first air-conditioning box and the second air-conditioning box; and the low-temperature air conditioning box water return pipe is respectively connected with the first air conditioning box and the second air conditioning box.
Further, the low-temperature air-conditioning box water supply pipe comprises a low-temperature air-conditioning box water supply pipe main pipeline and two low-temperature air-conditioning box water supply pipe branches; one ends of two branches of the water supply pipe of the low-temperature air-conditioning box are converged in the main pipeline of the water supply pipe of the low-temperature air-conditioning box; the other ends of the two low-temperature air-conditioning box water supply pipe branches are respectively connected with a first air-conditioning box and a second air-conditioning box; the low-temperature air conditioning box water return pipe comprises a low-temperature air conditioning box water return pipe main circuit and two low-temperature air conditioning box water return pipe branches; one ends of two low-temperature air conditioning box return pipe branches are converged in the low-temperature air conditioning box return pipe main pipeline; the other ends of the two low-temperature air conditioning box return pipe branches are respectively connected with the first air conditioning box and the second air conditioning box.
Further, the two low-temperature air-conditioning box water supply pipe branches are provided with valves; valves are arranged on the branch lines of the water return pipes of the two low-temperature air-conditioning boxes.
Further, the high-temperature hot water pipeline assembly comprises a high-temperature hot water supply pipe and a high-temperature hot water return pipe; the high-temperature hot water supply pipe is connected with the first air conditioning box and the second air conditioning box respectively; and the high-temperature hot water return pipe is respectively connected with the first air conditioning box and the second air conditioning box.
Further, the high-temperature hot water supply pipe comprises a main high-temperature hot water supply pipe and two branch high-temperature hot water supply pipes; one ends of the two high-temperature water supply pipe branches are converged in the main pipeline of the high-temperature water supply pipe; the other ends of the two high-temperature hot water supply pipe branches are respectively connected with a first air conditioning box and a second air conditioning box; the high-temperature hot water return pipe comprises a main high-temperature hot water return pipe and two branch high-temperature hot water return pipes; one ends of the two high-temperature hot water return pipe branches are converged in the main pipeline of the high-temperature hot water return pipe; the other ends of the two high-temperature hot water return pipe branches are respectively connected with a first air conditioning box and a second air conditioning box.
Further, the electric proportional control valve is arranged on the main pipeline of the high-temperature hot water return pipe.
Further, the pipeline pump is arranged on the main pipeline of the high-temperature hot water supply pipe; the water collecting pipe is arranged on the main pipeline of the high-temperature hot water supply pipe; the water collecting pipe is connected with the main pipeline of the high-temperature hot water supply pipe.
Further, the main pipeline of the high-temperature hot water supply pipe and the main pipeline of the high-temperature hot water return pipe are respectively provided with a temperature sensor and a pressure sensor.
Further, the temperature sensor and the pressure sensor on the main pipeline of the high-temperature hot water supply pipe are arranged on the side of the pipeline pump.
Further, the electric proportional control valve is an electric proportional three-way valve, two of the three passages are connected with the main passage of the high-temperature hot water return pipe, and the third passage is connected with the water collecting pipe.
Further, the two high-temperature hot water supply pipe branches and the two high-temperature hot water return pipe branches are respectively provided with a valve.
Further, the energy-saving air conditioning box system further comprises a PLC device, wherein the PLC device is used for controlling the start and stop of the temperature sensor, the pressure sensor, the pipeline pump and the electric proportional control valve, and the temperature sensor, the pressure sensor, the pipeline pump and the electric proportional control valve are all in communication connection with the PLC device.
Further, the PLC device comprises a PLC programmable controller which is respectively in communication connection with the temperature sensor, the pressure sensor, the pipeline pump and the electric proportional control valve.
Further, the communication connection comprises a wired or wireless connection.
Further, the low-temperature air conditioning box pipeline component is connected with a 60 ℃ domestic hot water system, and the high-temperature hot water pipeline component is connected with 90 ℃ normal hot water.
Further, the low temperature and the high temperature in the low temperature air-conditioning box pipeline assembly and the high temperature hot water pipeline assembly are relative low temperature and high temperature, namely the temperature of the low temperature air-conditioning box pipeline assembly and the high temperature hot water pipeline assembly is lower than that of the high temperature hot water pipeline assembly, the low temperature air-conditioning box pipeline assembly and the high temperature hot water pipeline assembly are 60 ℃, and the high temperature hot water pipeline assembly is 90 ℃.
Compared with the prior art, the utility model has the following beneficial effects:
according to the energy-saving air conditioning box system, the high-temperature hot water pipeline component, the electric proportional control valve, the pipeline pump and the water collecting pipe are arranged, and the 90 ℃ constant hot water is connected to serve as a heat source of the air conditioning box, so that the heat supply requirement in a transitional season can be met, the energy-saving purpose can be achieved, and the stable operation of the system can be ensured.
Drawings
Fig. 1 is a schematic diagram of an energy efficient air conditioning system in an embodiment of the present utility model.
Wherein:
1. the system comprises a first air conditioning box, 2, a second air conditioning box, 3, a low-temperature air conditioning box water supply pipe main, 4, a low-temperature air conditioning box water supply pipe branch, 5, a low-temperature air conditioning box water return pipe main, 6, a low-temperature air conditioning box water return pipe branch, 7, a high-temperature hot water supply pipe main, 8, a high-temperature hot water supply pipe branch, 9, a high-temperature hot water return pipe main, 10, a high-temperature hot water return pipe branch, 11, an electric proportional control valve, 12, a pipeline pump, 13, a water collecting pipe, 14, a temperature sensor, 15 and a pressure sensor.
Detailed Description
The utility model will now be described in detail with reference to the drawings and specific examples. Features such as component model, material name, connection structure and the like which are not explicitly described in the technical scheme are all regarded as common technical features disclosed in the prior art.
Examples
As shown in fig. 1, an energy-saving air conditioning box system is provided in the present embodiment, and the energy-saving air conditioning box system includes a first air conditioning box 1, a second air conditioning box 2, a low-temperature air conditioning box pipeline assembly, a high-temperature hot water pipeline assembly, an electric proportional control valve 11, a pipeline pump 12 and a water collecting pipe 13; the low-temperature air conditioning box pipeline assembly is respectively connected with the first air conditioning box 1 and the second air conditioning box 2; the high-temperature water pipeline assembly is respectively connected with the first air conditioning box 1 and the second air conditioning box 2; a water collecting pipe 13 is arranged on the high-temperature hot water pipeline component; an electric proportional control valve 11 is arranged on the high-temperature hot water pipeline component; the high temperature hot water pipeline assembly is provided with a pipeline pump 12.
The energy-saving air conditioning box system further comprises a PLC device, wherein the PLC device is used for controlling the start and stop of the temperature sensor 14, the pressure sensor 15, the pipeline pump 12, the electric proportional control valve 11 and the valve, and the temperature sensor 14, the pressure sensor 15, the pipeline pump 12, the electric proportional control valve 11 and the valve are all in communication connection with the PLC device.
The low-temperature air conditioning box pipeline assembly comprises a low-temperature air conditioning box water supply pipe and a low-temperature air conditioning box water return pipe; the low-temperature air-conditioning box water supply pipe is respectively connected with the first air-conditioning box 1 and the second air-conditioning box 2; the return pipes of the low-temperature air-conditioning boxes are respectively connected with the first air-conditioning box 1 and the second air-conditioning box 2. The low-temperature air-conditioning box water supply pipe comprises a low-temperature air-conditioning box water supply pipe main pipeline 3 and two low-temperature air-conditioning box water supply pipe branches 4; one ends of two low-temperature air-conditioning box water supply pipe branches 4 are converged in the low-temperature air-conditioning box water supply pipe main pipeline 3; the other ends of the two low-temperature air-conditioning box water supply pipe branches 4 are respectively connected with the first air-conditioning box 1 and the second air-conditioning box 2; the low-temperature air conditioning box water return pipe comprises a low-temperature air conditioning box water return pipe main pipeline 5 and two low-temperature air conditioning box water return pipe branches 6; one ends of two low-temperature air-conditioning box return pipe branches 6 are collected in a low-temperature air-conditioning box return pipe main pipeline 5; the other ends of the two low-temperature air-conditioning box return pipe branches 6 are respectively connected with the first air-conditioning box 1 and the second air-conditioning box 2. Valves are arranged on the two low-temperature air-conditioning box water supply pipe branches 4; valves are arranged on the two return pipe branches 6 of the low-temperature air conditioner box.
The high-temperature hot water pipeline assembly comprises a high-temperature hot water supply pipe and a high-temperature hot water return pipe; the high-temperature hot water supply pipe is respectively connected with the first air conditioning box 1 and the second air conditioning box 2; the high-temperature hot water return pipe is respectively connected with the first air conditioning box 1 and the second air conditioning box 2. The high-temperature hot water supply pipe comprises a main pipeline 7 of the high-temperature hot water supply pipe and two branches 8 of the high-temperature hot water supply pipe; one ends of the two high-temperature hot water supply pipe branches 8 are converged in the high-temperature hot water supply pipe main 7; the other ends of the two high-temperature hot water supply pipe branches 8 are respectively connected with the first air conditioning box 1 and the second air conditioning box 2; the high-temperature hot water return pipe comprises a high-temperature hot water return pipe main pipeline 9 and two high-temperature hot water return pipe branches 10; one ends of the two high-temperature hot water return pipe branches 10 are converged in the high-temperature hot water return pipe main pipeline 9; the other ends of the two high-temperature hot water return pipe branches 10 are respectively connected with the first air conditioning box 1 and the second air conditioning box 2. Valves are arranged on the two high-temperature hot water supply pipe branches 8 and the two high-temperature hot water return pipe branches 10.
The electric proportional control valve 11 is arranged on the main pipeline 9 of the high-temperature hot water return pipe; the pipeline pump 12 is arranged on the main pipeline 7 of the high-temperature hot water supply pipe; the water collecting pipe 13 is arranged on the main pipeline 7 of the high-temperature hot water supply pipe; the water collecting pipe 13 is connected with the main pipeline 7 of the high-temperature hot water supply pipe.
The main pipeline 7 of the high-temperature hot water supply pipe and the main pipeline 9 of the high-temperature hot water return pipe are respectively provided with a temperature sensor 14 and a pressure sensor 15. A temperature sensor 14 and a pressure sensor 15 on the main 7 of the hot water supply pipe are provided on the side of the pipe pump 12.
The electric proportional control valve 11 is an electric proportional three-way valve, two of the three passages are connected with the main water supply pipe 7 of the hot water, and the third passage is connected with the water collecting pipe 13.
The PLC device comprises a PLC programmable controller which is respectively in communication connection with the temperature sensor 14, the pressure sensor 15, the pipeline pump 12, the electric proportional control valve 11 and the valve. The communication connection includes a wired or wireless connection.
The low-temperature air conditioning box pipeline component is connected with a 60 ℃ domestic hot water system, and the high-temperature hot water pipeline component is connected with 90 ℃ normal hot water supply. The low temperature and the high temperature in the low temperature air conditioner box pipeline assembly and the high temperature hot water pipeline assembly are relative low temperature and high temperature, namely the temperature of the low temperature air conditioner box pipeline assembly and the high temperature hot water pipeline assembly is lower than that of the low temperature air conditioner box pipeline assembly and the high temperature hot water pipeline assembly, the low temperature air conditioner box pipeline assembly and the high temperature hot water pipeline assembly are respectively 60 ℃ and 90 ℃.
The water supply pipe and the water return pipe of the low-temperature air conditioning box are galvanized steel pipes DN200, one of the two paths (the side connected with the hot water with the temperature of 90 ℃) of the electric proportional control valve 11 is galvanized steel pipe DN80, and the other pipelines are galvanized steel pipes DN125.
The working method of the energy-saving air conditioning box system provided in the embodiment comprises the following steps:
closing valves arranged on a water supply pipe and a water return pipe of the low-temperature air conditioning box in a transitional season, closing an electric proportional control valve 11 on the water return pipe of the high-temperature air conditioning box, fully opening a water collecting pipe 13, performing internal circulation heat exchange of the two air conditioning boxes through a pipeline pump 12, slowly opening the water return pipe side of the electric proportional control valve 11 when the temperature sensor 14 at the side of the pipeline pump 12 monitors that the temperature is less than a set temperature, replenishing hot water to 90 ℃, and closing the water return pipe side of the electric proportional control valve 11 when the temperature at the side of the pipeline pump 12 reaches the set temperature, and continuously exchanging heat inside the two air conditioning boxes.
The previous description of the embodiments is provided to facilitate a person of ordinary skill in the art in order to make and use the present utility model. It will be apparent to those skilled in the art that various modifications can be readily made to these embodiments and the generic principles described herein may be applied to other embodiments without the use of the inventive faculty. Therefore, the present utility model is not limited to the above-described embodiments, and those skilled in the art, based on the present disclosure, should make improvements and modifications without departing from the scope of the present utility model.
Claims (10)
1. The energy-saving air conditioning box system is characterized by comprising a first air conditioning box (1), a second air conditioning box (2), a low-temperature air conditioning box pipeline assembly, a high-temperature hot water pipeline assembly, an electric proportional control valve (11), a pipeline pump (12) and a water collecting pipe (13);
the low-temperature air conditioning box pipeline assembly is respectively connected with the first air conditioning box (1) and the second air conditioning box (2);
the high-temperature hot water pipeline assembly is respectively connected with the first air conditioning box (1) and the second air conditioning box (2);
a water collecting pipe (13) is arranged on the high-temperature hot water pipeline assembly;
an electric proportional control valve (11) is arranged on the high-temperature hot water pipeline assembly;
and a pipeline pump (12) is arranged on the high-temperature hot water pipeline assembly.
2. The energy efficient air conditioning system according to claim 1, wherein the low temperature air conditioning tank conduit assembly includes a low temperature air conditioning tank water supply conduit and a low temperature air conditioning tank return conduit;
the low-temperature air-conditioning box water supply pipe is respectively connected with the first air-conditioning box (1) and the second air-conditioning box (2);
the low-temperature air conditioning box water return pipe is respectively connected with the first air conditioning box (1) and the second air conditioning box (2).
3. An energy efficient air conditioning system according to claim 2, wherein the low temperature air conditioning box water supply pipe comprises a low temperature air conditioning box water supply pipe main (3) and two low temperature air conditioning box water supply pipe branches (4);
one ends of two low-temperature air-conditioning box water supply pipe branches (4) are converged on the low-temperature air-conditioning box water supply pipe main path (3);
the other ends of the two low-temperature air-conditioning box water supply pipe branches (4) are respectively connected with a first air-conditioning box (1) and a second air-conditioning box (2);
the low-temperature air conditioning box water return pipe comprises a low-temperature air conditioning box water return pipe main pipeline (5) and two low-temperature air conditioning box water return pipe branches (6);
one ends of two low-temperature air-conditioning box water return pipe branches (6) are converged on the low-temperature air-conditioning box water return pipe main pipeline (5);
the other ends of the two low-temperature air-conditioning box return pipe branches (6) are respectively connected with the first air-conditioning box (1) and the second air-conditioning box (2).
4. An energy-saving air conditioning system according to claim 3, characterized in that the two low-temperature air conditioning box water supply pipe branches (4) are provided with valves;
valves are arranged on the two return pipe branches (6) of the low-temperature air conditioner box.
5. The energy efficient air conditioning case system according to claim 2, wherein the high temperature hot water pipe assembly includes a high temperature hot water supply pipe and a high temperature hot water return pipe;
the high-temperature hot water supply pipe is respectively connected with the first air conditioning box (1) and the second air conditioning box (2);
the high-temperature hot water return pipe is respectively connected with the first air conditioning box (1) and the second air conditioning box (2).
6. An energy-saving air conditioning system according to claim 5, characterized in that the hot water supply pipe comprises a main hot water supply pipe (7) and two branches (8) of hot water supply pipes;
one ends of the two high-temperature hot water supply pipe branches (8) are converged at the main pipeline (7) of the high-temperature hot water supply pipe;
the other ends of the two high-temperature hot water supply pipe branches (8) are respectively connected with a first air conditioning box (1) and a second air conditioning box (2);
the high-temperature hot water return pipe comprises a main high-temperature hot water return pipe (9) and two branch high-temperature hot water return pipes (10);
one ends of the two high-temperature hot water return pipe branches (10) are converged on the main high-temperature hot water return pipe (9);
the other ends of the two high-temperature hot water return pipe branches (10) are respectively connected with a first air conditioning box (1) and a second air conditioning box (2).
7. An energy-saving air conditioning system according to claim 6, characterized in that the electric proportional control valve (11) is provided on the main conduit (9) of the high-temperature hot-water return conduit.
8. An energy-saving air conditioning system according to claim 6, characterized in that the pipe pump (12) is provided on the main hot water supply pipe (7);
the water collecting pipe (13) is arranged on the main pipeline (7) of the high-temperature hot water supply pipe;
the water collecting pipe (13) is connected with the main pipeline (7) of the high-temperature hot water supply pipe.
9. An energy-saving air conditioning cabinet system according to claim 6, characterized in that the main pipeline (7) of the hot water supply pipe and the main pipeline (9) of the hot water return pipe are provided with a temperature sensor (14) and a pressure sensor (15).
10. An energy-saving air conditioning system according to claim 6, characterized in that valves are provided on both the two hot water supply pipe branches (8) and the two hot water return pipe branches (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320495868.8U CN220017571U (en) | 2023-03-15 | 2023-03-15 | Energy-saving air conditioning box system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320495868.8U CN220017571U (en) | 2023-03-15 | 2023-03-15 | Energy-saving air conditioning box system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220017571U true CN220017571U (en) | 2023-11-14 |
Family
ID=88677806
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320495868.8U Active CN220017571U (en) | 2023-03-15 | 2023-03-15 | Energy-saving air conditioning box system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220017571U (en) |
-
2023
- 2023-03-15 CN CN202320495868.8U patent/CN220017571U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN110608495A (en) | Multi-adjustment-mode integrated air conditioning system and working method thereof | |
| CN1869553A (en) | Solar-gas engine heat pump heating device and its operation method | |
| CN208765140U (en) | A kind of refrigeration system of winter low energy consumption | |
| CN2929594Y (en) | Solar energy-gas combustion machine heat pump heater | |
| CN220017571U (en) | Energy-saving air conditioning box system | |
| CN205536657U (en) | Energy -conserving concurrent heating device of ground -source heat pump | |
| CN211146674U (en) | Waste heat exchange device and heat exchange system using same | |
| CN115076820B (en) | Air conditioner energy saving system, control method and air conditioner | |
| CN209978301U (en) | Energy-saving device for air conditioner surface cooling section dry cooling technology of tobacco high-temperature high-humidity process | |
| CN204853853U (en) | Secondary heat recovery heat pipe formula air conditioning system | |
| CN210320247U (en) | Heating system | |
| CN200965312Y (en) | Solar energy air conditioner heat-exchanging system | |
| CN210153999U (en) | Constant-temperature dust-free workshop comprehensive energy system | |
| CN102384549A (en) | Solar ground source heat pump integrated heating air-conditioning control device | |
| CN203586604U (en) | Three-in-one air conditioning and hot water supplying device | |
| CN107560147B (en) | Household air source heat pump hot water system assisted by gas wall-mounted boiler and control method thereof | |
| CN212299281U (en) | Energy-saving air conditioning system applied to production workshop of cigarette factory | |
| CN207163011U (en) | A kind of cold-hot combined supply system | |
| CN204513643U (en) | A kind of modularization air conditioner water device | |
| CN218864331U (en) | Air conditioner temperature and humidity system capable of changing single cold source into double water temperatures | |
| CN114763946B (en) | Air conditioner hot water system | |
| CN109539372A (en) | Solar energy heating pump, multi-source heating refrigeration system | |
| CN208332548U (en) | Air-conditioning system of providing multiple forms of energy to complement each other with accumulation of heat and cool storage function | |
| CN215983320U (en) | Utilize VOCs used heat cold-storage heat accumulation system | |
| CN216592021U (en) | Energy-saving device of MAU air conditioning cabinet |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |