CN114811962B - Automatic constant-temperature water mixing system set for bathroom hot water and control method thereof - Google Patents
Automatic constant-temperature water mixing system set for bathroom hot water and control method thereof Download PDFInfo
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- CN114811962B CN114811962B CN202210526262.6A CN202210526262A CN114811962B CN 114811962 B CN114811962 B CN 114811962B CN 202210526262 A CN202210526262 A CN 202210526262A CN 114811962 B CN114811962 B CN 114811962B
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- water
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- temperature
- conveying pipeline
- suction pump
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 234
- 238000000034 method Methods 0.000 title claims abstract description 20
- 238000011084 recovery Methods 0.000 claims abstract description 12
- 239000002918 waste heat Substances 0.000 claims abstract description 12
- 239000007788 liquid Substances 0.000 claims abstract description 7
- 239000000498 cooling water Substances 0.000 claims description 25
- 238000007789 sealing Methods 0.000 claims description 12
- 239000008399 tap water Substances 0.000 claims description 10
- 235000020679 tap water Nutrition 0.000 claims description 10
- 230000003472 neutralizing effect Effects 0.000 claims description 3
- 230000005540 biological transmission Effects 0.000 description 5
- 239000002699 waste material Substances 0.000 description 4
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000002737 fuel gas Substances 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 230000001502 supplementing effect Effects 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
- F24H9/00—Details
- F24H9/20—Arrangement or mounting of control or safety devices
- F24H9/2007—Arrangement or mounting of control or safety devices for water heaters
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Domestic Hot-Water Supply Systems And Details Of Heating Systems (AREA)
Abstract
The utility model discloses a control method of an automatic constant temperature water mixing system set of bathroom hot water, which comprises a device bearing plate and the automatic constant temperature water mixing system set, wherein one end of a fourth water suction pump is provided with a fourth water conveying pipeline: the first temperature adjusting module consists of a waste heat recovery machine, an air compressor, a first water suction pump and a first temperature sensor; a third temperature adjustment module; the water flow control module is composed of a third valve, a first valve, a second valve and a fourth valve, heat generated during the use of the air compressor is preferentially utilized, primary adjustment of heat is carried out by matching with liquid extracted by the second water suction pump, meanwhile, water is heated through the water heater in order to improve stability of water pressure and high efficiency of water temperature adjustment, and a plurality of connected heat supply pipelines are sequentially controlled through the first valve, the third valve, the second valve and the fourth valve in the water flow control module.
Description
Technical Field
The utility model relates to the technical field of bathroom hot water temperature control, in particular to a bathroom hot water automatic constant-temperature water mixing system set and a control method thereof.
Background
Along with the progress of science and technology, people attach more importance to health, people discover through the research that regularly drenches the foreign matter on the skin surface of health in the time of attach importance to health, can effectively improve the healthy degree of health, to drenching, people are in order to improve the comfort level of drenching, the temperature of water when drenching is adjusted, the previous temperature of water of adjusting is through manual hot water and cold water adjustment water temperature, the adjustment mode is comparatively loaded down with trivial details and waste time and energy, therefore people design constant temperature water mixing system collection to drenching, can adjust the temperature from this, and can change the temperature of required adjustment according to the user demand.
The Chinese patent of patent No. 215723569U4 discloses a water supply system combining solar energy and fuel gas, which realizes seamless and reasonable connection of two sets of hot water equipment by utilizing a temperature control electromagnetic valve and a constant temperature water mixing valve, so that the two sets of hot water equipment can be automatically controlled in use without manual operation by manual judgment, initial water waste caused by manual judgment is avoided, the comfort of use is realized, the effect of saving water and energy is also realized to the greatest extent, but heat flow loss of one part of the two sets of hot water equipment is caused by single switching of water supply and heat supply, and resource waste is caused.
However, most of the existing automatic constant temperature water mixing systems are externally connected with various heat supply and water supply sources in the actual control process, the water temperature adjustment is completed by singly switching the heat supply and water supply sources and fusing the heat supply sources with the independently connected living tap water, the accuracy of the adjustment is low, and the heat in the unconnected pipeline is lost due to the single adjustment mode, so that the existing requirements are not met, and the automatic constant temperature water mixing system set for bathroom hot water and the control method thereof are provided.
Disclosure of Invention
The utility model aims to provide a bathroom hot water automatic constant temperature water mixing system set and a control method thereof, so as to solve the problems that the automatic constant temperature water mixing system set provided in the background art only depends on switching a water supply source to finish heat adjustment when water temperature is adjusted, and is time-consuming and labor-consuming and can cause heat loss.
In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a bathroom hot water automatic constant temperature mixes water system collection and control method thereof, includes device loading board and automatic constant temperature mixes water system collection, one side of device loading board front end is provided with the fourth suction pump, the one end of fourth suction pump is provided with fourth water pipe, and the one end and the fourth suction pump sealing connection of fourth water pipe, the one end of fourth water pipe is provided with the shower nozzle, one side outside the fourth water pipe is provided with fourth temperature sensor:
the first temperature adjusting module is arranged in the automatic constant-temperature water mixing system, and consists of a waste heat recovery machine, an air compressor, a first water suction pump and a first temperature sensor;
the second temperature adjusting module is arranged in the automatic constant-temperature water mixing system set and consists of a water heater, a second water suction pump and a second temperature sensor;
the third temperature adjusting module is arranged in the automatic constant-temperature water mixing system set and consists of a third water suction pump and a third temperature sensor;
the water flow control module is arranged in the automatic constant temperature water mixing system set and consists of a third valve, a first valve, a second valve and a fourth valve;
the control terminal is arranged in the automatic constant-temperature water mixing system set;
the transmission module is arranged inside the automatic constant-temperature water mixing system set and consists of a second water conveying pipeline, a first water conveying pipeline, a third water conveying pipeline, a fourth water conveying pipeline and a fifth water conveying pipeline.
Preferably, the lower extreme of fourth suction pump is provided with the second valve, one side of second valve lower extreme is provided with the fourth valve, the one end of fourth valve is provided with third conduit, the one end of third conduit is provided with the second suction pump, and equal sealing connection between second suction pump, third conduit and the fourth valve, one side between fourth valve and the second valve is provided with first third item valve.
Preferably, a fifth water conveying pipeline is arranged at the other end of the fourth valve, a second three-item valve is arranged at the other end of the fifth water conveying pipeline, and a fifth temperature sensor is arranged at one side outside the fifth water conveying pipeline.
Preferably, a first valve is arranged at the lower end of the second three-stage valve, a first water conveying pipeline is arranged at the lower end of the first valve, and a third temperature sensor is arranged outside the first water conveying pipeline.
Preferably, a third water pump is arranged at one end of the first water pipe, and a water heater is arranged at one end of the third water pump.
Preferably, a third valve is arranged on one side of the second third valve, a first temperature sensor is arranged at one end of the third valve, a first water suction pump is arranged at one end of the first temperature sensor, a waste heat recovery machine is arranged at one end of the first water suction pump, and a second water conveying pipeline is arranged on one side outside the first temperature sensor.
Preferably, a cooling water pipe is arranged on one side of the upper end of the third water pipe, and one end of the cooling water pipe is connected with the third water pipe in a sealing way.
Preferably, a one-way valve is arranged at the other end of the cooling water pipeline, and two ends of the one-way valve are respectively connected with the cooling water pipeline and the third water pipeline in a sealing way.
Preferably, a valve control device is arranged at the upper end of one side of the cooling water pipeline, a PID computing device is arranged at the lower end of one side of the valve control device, and a fifth valve is arranged at one side of the outer part of the cooling water pipeline.
The automatic constant temperature water mixing system set for bathroom hot water and its control method includes the following steps:
step one, a first water suction pump is started, the temperature generated by the use of an air compressor is collected through a waste heat recovery machine, the extracted liquid is heated while being collected, and the temperature is detected through a first temperature sensor after being heated and conveyed into a second water conveying pipeline;
neutralizing tap water pumped by the second water pump after the detected temperature is too high, starting the tap water by the water heater after the detected temperature is too low, and pumping and raising the temperature by the third water pump;
and thirdly, judging according to the temperature set by a user, if the temperature is higher or lower than the temperature set by the first temperature sensor, independently controlling the second valve, the fourth valve, the third valve and the first valve by the valve control device, adjusting the water delivery quantity at the connecting position, and ensuring stable water delivery quantity.
Compared with the prior art, the utility model has the beneficial effects that:
1. according to the utility model, the first temperature adjusting module, the second temperature adjusting module, the third temperature adjusting module, the water flow control module and the transmission module are arranged in the automatic constant-temperature water mixing system, in the actual adjusting process, heat generated during the use of the air compressor is preferentially utilized to match with liquid extracted by the second water suction pump to carry out primary adjustment of heat, meanwhile, in order to improve the stability of water pressure and the high efficiency of water temperature adjustment, water is heated by the water heater and conveyed by the third water suction pump, a plurality of connected heat supply pipelines are sequentially controlled by the first valve, the third valve, the second valve and the fourth valve in the water flow control module, and the water flow of the corresponding pipelines is controlled by controlling the rotation angles of the first valve, the third valve, the second valve and the fourth valve, so that the heat loss can be avoided and the temperature adjustment can be facilitated.
2. According to the utility model, the first temperature sensor is arranged on one side of the outer part of the second water conveying pipeline, the second temperature sensor is arranged on one side of the outer part of the third water conveying pipeline, the fifth temperature sensor is arranged on one side of the outer part of the fifth water conveying pipeline, and the fourth temperature sensor is arranged on one side of the outer part of the fourth water conveying pipeline.
3. According to the utility model, the cooling water conveying pipeline is arranged at one end of the third water conveying pipeline, and when external tap water is pumped by the second water pump in the actual use process, one part of the tap water is conveyed through the cooling water conveying pipeline and is conveyed and attached to the lower end of the device bearing plate, and then the tap water is contacted with the device through the cooling water conveying pipeline, so that the temperature of the lower end of the device bearing plate is reduced, the deformation of the device caused by long-time high temperature is avoided, and the absorbed heat is conveyed into the third water conveying pipeline again, so that the waste of the heat is avoided.
Drawings
FIG. 1 is a schematic view of the overall external structure of the present utility model;
FIG. 2 is a schematic diagram of an automatic constant temperature water mixing system according to the present utility model;
FIG. 3 is a bottom view of the exterior structure of the device carrier plate of the present utility model;
fig. 4 is an enlarged view of a portion of the area a of fig. 1 in accordance with the present utility model.
In the figure: 1. a device carrier plate; 2. a third water pump; 3. a first water pump; 4. a second water pump; 5. a waste heat recovery machine; 6. an air compressor; 7. a water heater; 8. a shower nozzle; 9. a second water pipe; 10. a first water pipe; 11. a third water delivery pipe; 12. a fourth water pipe; 13. a fourth water pump; 14. a second valve; 15. a fourth valve; 16. a third valve; 17. a first valve; 18. a second temperature sensor; 19. a first temperature sensor; 20. a third temperature sensor; 21. a fifth temperature sensor; 22. a fourth temperature sensor; 23. a first three-way valve; 24. a second three-way valve; 25. a valve control device; 26. PID calculation means; 27. a cooling water pipe; 28. a fifth valve; 29. a one-way valve; 30. a fifth water pipe; 31. a first temperature adjustment module; 32. a second temperature adjustment module; 33. a third temperature adjustment module; 34. a water flow control module; 35. a control terminal; 36. and a transmission module.
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.
Referring to fig. 1-4, an embodiment of the present utility model is provided: the automatic constant temperature water mixing system set for bathroom hot water and the control method thereof comprise a device bearing plate 1 and an automatic constant temperature water mixing system set, wherein one side of the front end of the device bearing plate 1 is provided with a fourth water suction pump 13, one end of the fourth water suction pump 13 is provided with a fourth water conveying pipeline 12, one end of the fourth water conveying pipeline 12 is in sealing connection with the fourth water suction pump 13, one end of the fourth water conveying pipeline 12 is provided with a rain shower nozzle 8, and one side of the outer part of the fourth water conveying pipeline 12 is provided with a fourth temperature sensor 22:
the first temperature adjusting module 31 is arranged in the automatic constant-temperature water mixing system, and the first temperature adjusting module 31 consists of the waste heat recovery machine 5, the air compressor 6, the first water suction pump 3 and the first temperature sensor 19;
the second temperature adjusting module 32 is arranged in the automatic constant-temperature water mixing system set, and the second temperature adjusting module 32 consists of a water heater 7, a second water suction pump 4 and a second temperature sensor 18;
the third temperature adjusting module 33 is arranged in the automatic constant temperature water mixing system set, and the third temperature adjusting module 33 consists of a third water suction pump 2 and a third temperature sensor 20;
the water flow control module 34 is arranged in the automatic constant temperature water mixing system, and the water flow control module 34 consists of a third valve 16, a first valve 17, a second valve 14 and a fourth valve 15;
a control terminal 35 provided inside the automatic constant temperature water mixing system set;
the transmission module 36 is arranged in the automatic constant temperature water mixing system, and the transmission module 36 is composed of a second water conveying pipeline 9, a first water conveying pipeline 10, a third water conveying pipeline 11, a fourth water conveying pipeline 12 and a fifth water conveying pipeline 30.
Referring to fig. 1 and 2, a second valve 14 is disposed at the lower end of a fourth water pump 13, a fourth valve 15 is disposed at one side of the lower end of the second valve 14, a third water pipe 11 is disposed at one end of the fourth valve 15, a second water pump 4 is disposed at one end of the third water pipe 11, the second water pump 4, the third water pipe 11 and the fourth valve 15 are all in sealing connection, a first three-way valve 23 is disposed at one side between the fourth valve 15 and the second valve 14, and in actual use, the flow of the connecting pipe is adjusted through the second valve 14.
Referring to fig. 1 and 2, a fifth water pipe 30 is disposed at the other end of the fourth valve 15, a second three-way valve 24 is disposed at the other end of the fifth water pipe 30, a fifth temperature sensor 21 is disposed at one side of the outside of the fifth water pipe 30, and the second water pipe 9 and the first water pipe 10 can be mixed by connection of the fifth water pipe 30.
Referring to fig. 1 and 2, a first valve 17 is disposed at the lower end of the second third valve 24, a first water pipe 10 is disposed at the lower end of the first valve 17, a third temperature sensor 20 is disposed outside the first water pipe 10, and the delivery amounts of the first water pump 3 and the third water pump 2 can be controlled by adjusting the first valve 17.
Referring to fig. 1 and 2, a third water pump 2 is disposed at one end of the first water pipe 10, a water heater 7 is disposed at one end of the third water pump 2, and the heat supply capability is low due to low heat recovered by the waste heat recovery machine 5 can be avoided by supplementing heat to the water heater 7.
Referring to fig. 1 and 2, a third valve 16 is disposed on one side of the second third valve 24, a first temperature sensor 19 is disposed at one end of the third valve 16, a first water pump 3 is disposed at one end of the first temperature sensor 19, a waste heat recovery machine 5 is disposed at one end of the first water pump 3, a second water pipe 9 is disposed on one side outside the first temperature sensor 19, and the direction of the first water pump 3 can be adjusted through the third valve 16.
Referring to fig. 1 and 3, a cooling water pipe 27 is disposed at one side of the upper end of the third water pipe 11, one end of the cooling water pipe 27 is connected with the third water pipe 11 in a sealing manner, the cooling water pipe 27 is attached to the device carrying plate 1, and heat exchange is performed on the position where the device carrying plate 1 generates heat.
Referring to fig. 1 and 3, the other end of the cooling water pipe 27 is provided with a check valve 29, and two ends of the check valve 29 are respectively connected with the cooling water pipe 27 and the third water pipe 11 in a sealing manner, so that the flow direction of the internal liquid of the cooling water pipe 27 is single due to the restriction of the check valve 29, and the slower flow speed of the liquid in the cooling water pipe 27 is avoided.
Referring to fig. 1, 3 and 4, a valve control device 25 is disposed at an upper end of a side of the cooling water pipe 27, a PID calculation device 26 is disposed at a lower end of a side of the valve control device 25, a fifth valve 28 is disposed at a side of an outer portion of the cooling water pipe 27, and a flow velocity of a pipe in the cooling water pipe 27 can be directly adjusted through the fifth valve 28.
The automatic constant temperature water mixing system set for bathroom hot water and its control method includes the following steps:
step one, a first water suction pump 3 is started, meanwhile, the temperature generated by the use of an air compressor 6 is collected through a waste heat recovery machine 5, the extracted liquid is heated while being collected, and the temperature is detected through a first temperature sensor 19 after being heated and conveyed into a second water conveying pipeline 9;
neutralizing tap water extracted by the second water pump 4 after the detected temperature is too high, starting the tap water by the water heater 7 after the detected temperature is too low and extracting and raising the temperature by the third water pump 2;
and thirdly, judging according to the temperature set by a user, if the temperature is higher or lower than the temperature set by the first temperature sensor 19, independently controlling the second valve 14, the fourth valve 15, the third valve 16 and the first valve 17 by the valve control device 25, adjusting the water delivery quantity at the connection position, and ensuring stable water delivery quantity.
It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present utility model may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Claims (3)
1. The control method of the automatic constant temperature water mixing system set of the bathroom hot water comprises a device bearing plate (1) and the automatic constant temperature water mixing system set, wherein a fourth water suction pump (13) is arranged on one side of the front end of the device bearing plate (1), one end of the fourth water suction pump (13) is provided with a fourth water conveying pipeline (12), and one end of the fourth water conveying pipeline (12) is in sealing connection with the fourth water suction pump (13), and the control method is characterized in that:
the first temperature adjusting module (31) is arranged in the automatic constant-temperature water mixing system, and the first temperature adjusting module (31) consists of a waste heat recovery machine (5), an air compressor (6), a first water suction pump (3) and a first temperature sensor (19);
the second temperature adjusting module (32) is arranged in the automatic constant-temperature water mixing system, and the second temperature adjusting module (32) consists of a water heater (7), a second water suction pump (4) and a second temperature sensor (18);
the third temperature adjusting module (33) is arranged in the automatic constant-temperature water mixing system, and the third temperature adjusting module (33) consists of a third water suction pump (2) and a third temperature sensor (20);
the water flow control module (34) is arranged in the automatic constant temperature water mixing system, and the water flow control module (34) consists of a third valve (16), a first valve (17), a second valve (14) and a fourth valve (15);
the control terminal (35) is arranged inside the automatic constant temperature water mixing system, the second valve (14) is arranged at the lower end of the fourth water suction pump (13), a fourth valve (15) is arranged at one side of the lower end of the second valve (14), a third water conveying pipeline (11) is arranged at one end of the fourth valve (15), a second water suction pump (4) is arranged at one end of the third water conveying pipeline (11), the second water suction pump (4), the third water conveying pipeline (11) and the fourth valve (15) are in sealing connection, a fifth water conveying pipeline (30) is arranged at the other end of the fourth valve (15), a second third valve (24) is arranged at the other end of the fifth water conveying pipeline (30), a fifth temperature sensor (21) is arranged at one side of the outer part of the fifth water conveying pipeline (30), a first valve (17) is arranged at the lower end of the second third valve (24), a first water conveying pipeline (10) is arranged at the lower end of the first valve (17), a third water conveying pipeline (20) is arranged at the outer part of the third water conveying pipeline (24), a third water conveying pipeline (20) is arranged at the third water conveying pipeline (20), one end of the third valve (16) is provided with a first temperature sensor (19), one end of the first temperature sensor (19) is provided with a first water suction pump (3), one end of the first water suction pump (3) is provided with a waste heat recovery machine (5), one side of the upper end of the third water conveying pipeline (11) is provided with a cooling water conveying pipeline (27), one end of the cooling water conveying pipeline (27) is in sealing connection with the third water conveying pipeline (11), and the control method comprises the following steps:
step one, a first water suction pump (3) is started, meanwhile, the temperature generated by using an air compressor (6) is collected through a waste heat recovery machine (5), the extracted liquid is heated while being collected, and the temperature is detected through a first temperature sensor (19) after being heated and conveyed into a second water conveying pipeline (9);
neutralizing tap water extracted by the second water suction pump (4) after the detected temperature is too high, starting the tap water by the water heater (7) after the detected temperature is too low and extracting and raising the temperature by the third water suction pump (2);
and thirdly, judging according to the temperature set by a user, if the temperature is higher or lower than the temperature set by the first temperature sensor (19), independently controlling the second valve (14), the fourth valve (15), the third valve (16) and the first valve (17) by the valve control device (25), adjusting the water delivery quantity at the connecting position and ensuring stable water delivery.
2. The control method of the automatic constant temperature water mixing system set for bathroom hot water according to claim 1, wherein the control method comprises the following steps: the other end of the cooling water pipeline (27) is provided with a one-way valve (29), and two ends of the one-way valve (29) are respectively connected with the cooling water pipeline (27) and the third water pipeline (11) in a sealing way.
3. The control method of the automatic constant temperature water mixing system set for bathroom hot water according to claim 2, wherein the control method comprises the following steps: the upper end of one side of the cooling water pipeline (27) is provided with a valve control device (25), and the lower end of one side of the valve control device (25) is provided with a PID computing device (26).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210526262.6A CN114811962B (en) | 2022-05-13 | 2022-05-13 | Automatic constant-temperature water mixing system set for bathroom hot water and control method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210526262.6A CN114811962B (en) | 2022-05-13 | 2022-05-13 | Automatic constant-temperature water mixing system set for bathroom hot water and control method thereof |
Publications (2)
| Publication Number | Publication Date |
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| CN114811962A CN114811962A (en) | 2022-07-29 |
| CN114811962B true CN114811962B (en) | 2024-01-19 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210526262.6A Active CN114811962B (en) | 2022-05-13 | 2022-05-13 | Automatic constant-temperature water mixing system set for bathroom hot water and control method thereof |
Country Status (1)
| Country | Link |
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| CN (1) | CN114811962B (en) |
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| CN210319786U (en) * | 2019-08-22 | 2020-04-14 | 安徽一路明光电科技有限公司 | LED street lamp with cooling function |
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| CN214501772U (en) * | 2021-04-09 | 2021-10-26 | 李振兴 | Geothermal conversion device based on geothermal utilization |
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| US11054174B2 (en) * | 2019-01-09 | 2021-07-06 | Milaebo Co., Ltd. | Semiconductor process by-product collecting device |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002130819A (en) * | 2000-10-30 | 2002-05-09 | Matsushita Electric Ind Co Ltd | Heat pump type water heater system |
| CN201043801Y (en) * | 2006-11-17 | 2008-04-02 | 江苏华扬新能源有限公司 | Heat pump water heater |
| CN203949361U (en) * | 2014-06-27 | 2014-11-19 | 济南国海能源科技有限公司 | A kind of intelligent air energy domestic hot-water produces system |
| CN207334705U (en) * | 2017-09-27 | 2018-05-08 | 杭州新川科技有限公司 | A kind of commercial electromagnet sensing heating water heating installation |
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| CN214501772U (en) * | 2021-04-09 | 2021-10-26 | 李振兴 | Geothermal conversion device based on geothermal utilization |
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| Publication number | Publication date |
|---|---|
| CN114811962A (en) | 2022-07-29 |
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