CN107543271B - Stable pressure moisturizing device and air conditioner water system - Google Patents
Stable pressure moisturizing device and air conditioner water system Download PDFInfo
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- CN107543271B CN107543271B CN201710928760.2A CN201710928760A CN107543271B CN 107543271 B CN107543271 B CN 107543271B CN 201710928760 A CN201710928760 A CN 201710928760A CN 107543271 B CN107543271 B CN 107543271B
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 352
- 230000003020 moisturizing effect Effects 0.000 title description 2
- 238000007789 sealing Methods 0.000 claims abstract description 48
- 230000007246 mechanism Effects 0.000 claims abstract description 46
- 230000001502 supplementing effect Effects 0.000 claims abstract description 31
- 230000000087 stabilizing effect Effects 0.000 claims abstract description 22
- 238000004378 air conditioning Methods 0.000 claims abstract description 15
- 125000006850 spacer group Chemical group 0.000 claims description 12
- 238000007493 shaping process Methods 0.000 claims description 10
- 238000009423 ventilation Methods 0.000 claims description 8
- 239000013013 elastic material Substances 0.000 claims description 4
- 230000004888 barrier function Effects 0.000 description 5
- 230000009471 action Effects 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- 230000002159 abnormal effect Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- SZVJSHCCFOBDDC-UHFFFAOYSA-N iron(II,III) oxide Inorganic materials O=[Fe]O[Fe]O[Fe]=O SZVJSHCCFOBDDC-UHFFFAOYSA-N 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000000149 penetrating effect Effects 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000002498 deadly effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 239000013589 supplement Substances 0.000 description 1
- 230000007306 turnover Effects 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
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A20/00—Water conservation; Efficient water supply; Efficient water use
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- Safety Valves (AREA)
- Water Treatment By Electricity Or Magnetism (AREA)
Abstract
The application relates to a pressure-stabilizing water supplementing device and an air-conditioning water system, wherein the pressure-stabilizing water supplementing device comprises a first cylinder body with a first water containing cavity, a second cylinder body with a second water containing cavity and a sealing baffle piece arranged between the first cylinder body and the second cylinder body in a sealing mode, the sealing baffle piece is used for isolating the first water containing cavity and the second water containing cavity, the second cylinder body is provided with a connecting pipe for communicating a waterway with the second water containing cavity, and the sealing baffle piece is provided with a water inlet one-way conduction mechanism with a first preset opening pressure and a water outlet one-way conduction mechanism with a second preset opening pressure. When the water pressure of the waterway is too high, the water in the second water containing cavity opens the water inlet one-way conduction mechanism to enter the second water containing cavity so as to realize reliable voltage stabilizing effect; when the water pressure of the waterway is too low, the water outlet one-way conduction mechanism of the first water containing cavity is opened to enter the second water containing cavity and then enter the waterway, so that a reliable water supplementing effect is realized.
Description
Technical Field
The application relates to the technical field of air conditioners, in particular to a pressure stabilizing and water supplementing device and an air conditioner water system.
Background
At present, when the central air conditioning engineering is installed, the water system is provided with a pressure-stabilizing water supplementing device so as to prevent the abnormal operation of the unit caused by the water shortage in the system, further shorten the service life of components (such as a water pump, a water flow switch and the like) of the air conditioning system and influence the quality of products.
When the closed air conditioner water system is long in running time, the water flow in the air conditioner is insufficient due to various reasons, such as water leakage, evaporation and the like, and the air conditioner can possibly bring air into the water system during installation and debugging. The normal use of the unit can be influenced due to the fact that the water flow of the system is insufficient, deadly influence can be brought to components of the water supply system, such as a water pump, a water flow switch and the like, the operation of the water pump can be seriously influenced due to the fact that the water flow is insufficient, the water flow switch is abnormal due to the fact that gas exists, abnormal sound is caused when the unit operates, and user experience can be greatly reduced.
Disclosure of Invention
In order to overcome the technical defects, the application solves the technical problems of providing a pressure-stabilizing water supplementing device and an air conditioner water system, and can provide reliable pressure-stabilizing effect and water supplementing effect for the system.
In order to solve the technical problems, the application provides a pressure-stabilizing water supplementing device, which comprises a first cylinder body with a first water containing cavity, a second cylinder body with a second water containing cavity and a sealing baffle piece arranged between the first cylinder body and the second cylinder body in a sealing way, wherein the sealing baffle piece is used for isolating the first water containing cavity and the second water containing cavity, the second cylinder body is provided with a connecting pipe for communicating a waterway with the second water containing cavity, and the sealing baffle piece is provided with a water inlet one-way conduction mechanism with a first preset opening pressure and a water outlet one-way conduction mechanism with a second preset opening pressure;
when the water pressure of the second water containing cavity is larger than that of the first water containing cavity and the water pressure difference between the second water containing cavity and the first water containing cavity is larger than the first preset opening pressure, the water inlet one-way conduction mechanism can be opened to enable water in the second water containing cavity to flow to the first water containing cavity;
when the water pressure of the first water containing cavity is larger than that of the second water containing cavity and the pressure difference between the water pressure of the first water containing cavity and the water pressure of the second water containing cavity is larger than the second preset opening pressure, the water outlet one-way conduction mechanism can be opened to enable water in the first water containing cavity to flow to the second water containing cavity.
Further, the water inlet one-way conduction mechanism comprises a water inlet and a first cover plate pivoted on one side of the sealing baffle part close to the first water containing cavity, and the first cover plate is covered on the water inlet through reset spring force or magnetic force which is attracted with the water inlet.
Further, the water outlet one-way conduction mechanism comprises a water outlet and a second cover plate pivoted on the other side of the sealing baffle piece, which is close to the second water containing cavity, and the second cover plate is covered on the water outlet through restoring spring force or magnetic force which is attracted with the water outlet.
Further, the water inlet one-way conduction mechanism comprises a first one-way valve with a first preset opening pressure, and a water inlet and a water outlet of the first one-way valve are respectively communicated with the second water containing cavity and the first water containing cavity.
Further, the water outlet one-way conduction mechanism comprises a second one-way valve with a second preset opening pressure, and a water inlet and a water outlet of the second one-way valve are respectively communicated with the first water containing cavity and the second water containing cavity.
Further, the sealing baffle comprises a sealing baffle and a shaping support, wherein the sealing baffle is made of elastic materials, and the shaping support is arranged in the sealing baffle in a penetrating mode.
Further, the shaping support is of a net structure.
Further, the axes of the first cylinder and the second cylinder are arranged vertically, and the first cylinder is located above the second cylinder.
Further, the device also comprises a one-way ventilation valve arranged at the top of the first cylinder body, and an air inlet and an air outlet of the one-way ventilation valve are respectively communicated with the first water containing cavity and the atmosphere.
The application also provides an air conditioner water system which comprises the pressure-stabilizing water supplementing device.
In particular, the air-conditioning water system is a closed air-conditioning water system.
Therefore, based on the technical scheme, the pressure-stabilizing water supplementing device is provided with the sealing baffle piece, and the sealing baffle piece is provided with the water inlet one-way conduction mechanism and the water outlet one-way conduction mechanism, when the water pressure of the waterway is too high, the water in the second water containing cavity opens the water inlet one-way conduction mechanism to enter the second water containing cavity, so that a reliable pressure stabilizing effect is realized; when the water pressure of the waterway is too low, the water of the first water containing cavity opens the water outlet one-way conduction mechanism to enter the second water containing cavity and then enter the waterway, so that a reliable water supplementing effect is realized.
Drawings
The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this specification, illustrate embodiments of the application and together with the description serve to explain the application and do not constitute a limitation on the application. In the drawings:
FIG. 1 is a schematic diagram of the overall structure of an embodiment of a pressure stabilizing and water replenishing device according to the present application;
FIG. 2 is a cross-sectional view of a water supply device with stabilized pressure in an open state of a water inlet one-way conduction mechanism according to an embodiment of the present application;
FIG. 3 is a cross-sectional view of an embodiment of a pressure stabilizing and water replenishing device of the present application in an open state of a water outlet unidirectional conduction mechanism;
FIG. 4 is a schematic diagram of an explosion structure of an embodiment of a pressure stabilizing and water replenishing device according to the present application;
FIG. 5 is a schematic diagram of the front view of the sealing barrier in the pressure stabilizing and water replenishing device of the present application;
fig. 6 is a schematic perspective view of a sealing barrier in the pressure stabilizing and water replenishing device of the present application.
Each reference numeral represents:
1. a first cylinder; 2. a second cylinder; 3. a sealing barrier; 31. a water inlet one-way conduction mechanism; 311. a first cover plate; 312. a water inlet; 32. a water outlet one-way conduction mechanism; 321. a second cover plate; 322. a water outlet; 33. sealing the spacer; 34. shaping a bracket; 4. a connecting pipe; 5. a one-way vent valve.
Detailed Description
The technical scheme of the application is further described in detail through the drawings and the embodiments.
The specific embodiments of the present application are to facilitate further explanation of the concept of the present application, the technical problems to be solved, the technical features constituting the technical solutions, and the technical effects brought thereby. The description of these embodiments does not limit the present application. The technical features of the embodiments of the present application described below may be combined with each other as long as they do not collide with each other.
In an exemplary embodiment of the pressure-stabilizing water replenishing device, as shown in fig. 1 to 4, the pressure-stabilizing water replenishing device comprises a first cylinder 1 with a first water containing cavity a, a second cylinder 2 with a second water containing cavity B, and a sealing baffle 3 arranged between the first cylinder 1 and the second cylinder 2 in a sealing way, wherein the first cylinder 1 and the second cylinder 2 can be connected by a bolt assembly and are sealed by the sealing baffle 3, the sealing baffle 3 is used for isolating the first water containing cavity a and the second water containing cavity B, the second cylinder 2 is provided with a connecting pipe 4 for communicating a waterway with the second water containing cavity B, and the sealing baffle 3 is provided with a water inlet one-way conduction mechanism 31 with a first preset opening pressure and a water outlet one-way conduction mechanism 32 with a second preset opening pressure;
when the water pressure of the second water containing cavity B is greater than the water pressure of the first water containing cavity a and the water pressure difference between the two water pressure is greater than the first preset opening pressure, the water inlet one-way conduction mechanism 31 can be opened to enable the water in the second water containing cavity B to flow to the first water containing cavity a;
in a state that the water pressure of the first water containing cavity a is greater than the water pressure of the second water containing cavity B and the water pressure difference between the first water containing cavity a and the second water containing cavity B is greater than the second preset opening pressure, the water outlet one-way conduction mechanism 32 can be opened to enable water in the first water containing cavity a to flow to the second water containing cavity B.
In the illustrative embodiment, the pressure stabilizing and water supplementing device is characterized in that the sealing baffle 3 is arranged, the water inlet one-way conduction mechanism 31 and the water outlet one-way conduction mechanism 32 are arranged on the sealing baffle, when the water pressure of the waterway is too high, the water pressure of the second water containing cavity B is larger than the water pressure of the first water containing cavity A, the pressure difference is larger than the first preset opening pressure of the water inlet one-way conduction mechanism 31, and the water in the second water containing cavity B opens the water inlet one-way conduction mechanism 31 to enter the second water containing cavity, so that the reliable pressure stabilizing effect is realized; when the water pressure of the waterway is too low, the water pressure of the first water containing cavity A is larger than the water pressure of the second water containing cavity B, the pressure difference is larger than the second preset opening pressure of the water outlet one-way conduction mechanism 32, and the water of the first water containing cavity A opens the water outlet one-way conduction mechanism 32 to enter the second water containing cavity B and then enter the waterway, so that the reliable water supplementing effect is realized.
Preferably, as shown in fig. 1, the axes of the first cylinder 1 and the second cylinder 2 are arranged vertically, and the first cylinder 1 is located above the second cylinder 2, so that pressure difference is advantageously generated to further improve the pressure stabilizing effect and the water supplementing effect of the pressure stabilizing and water supplementing device. Further, the pressure-stabilizing water supplementing device further comprises a one-way ventilation valve 5 arranged at the top of the first cylinder body 1, an air inlet and an air outlet of the one-way ventilation valve 5 are respectively communicated with the first water containing cavity A and the atmosphere, when air exists in the waterway, the air can flow through the second water containing cavity B to enter the first water containing cavity A and then be discharged through the one-way ventilation valve 5, and preferably, the one-way ventilation valve 5 is a manual exhaust valve.
As a first preferred implementation of the water inlet unidirectional conduction mechanism, as shown in fig. 5 and 6, the water inlet unidirectional conduction mechanism 31 includes a water inlet 312 and a first cover plate 311 pivoted on one side of the sealing barrier 3 near the first water containing cavity a, and the first cover plate 311 is covered on the water inlet 312 by a restoring spring force or a magnetic force that is attracted to the water inlet 312. The first cover plate 311 is covered on one side of the water inlet 312, which is close to the first water containing cavity a, water in the first water containing cavity a cannot flow into the second water containing cavity B from the water inlet 312, when the water path water pressure is too high, the water pressure of the second water containing cavity B is larger than the water pressure of the first water containing cavity a and overcomes the restoring spring force of the first cover plate 311 or the magnetic force absorbed by the water inlet 312, so that the water in the second water containing cavity B opens the first cover plate 311 to enter the first water containing cavity a, wherein the restoring spring force can be realized by setting a restoring spring, and the absorbed magnetic force can be realized by making the first cover plate 311 or the structure forming the water inlet 312 from a magnetite material.
Similarly, as a first preferred implementation manner of the water outlet unidirectional conduction mechanism, as shown in fig. 5 and 6, the water outlet unidirectional conduction mechanism 32 includes a water outlet 322 and a second cover plate 321 pivoted on the other side of the sealing barrier 3 near the second water containing cavity B, and the second cover plate 321 is covered on the water outlet 322 by a restoring spring force or a magnetic force that is attracted to the water outlet 322. The second cover plate 321 is covered on the other side of the water outlet 322, which is close to the second water containing cavity B, water in the second water containing cavity B cannot flow into the first water containing cavity a from the water outlet 322, when the water path water pressure is too low, the water pressure of the first water containing cavity a is larger than the water pressure of the second water containing cavity B, and the restoring spring force of the second cover plate 321 or the magnetic force absorbed by the water outlet 322 is overcome, so that the water in the first water containing cavity a opens the second cover plate 321 to enter the second water containing cavity B, wherein the restoring spring force can be realized by arranging a restoring spring, and the absorbed magnetic force can be realized by making the second cover plate 321 or the structure forming the water outlet 322 from a magnetite material.
Alternatively, as a second preferred implementation of the water inlet unidirectional conduction mechanism, the water inlet unidirectional conduction mechanism 31 includes a first unidirectional valve having a first preset opening pressure, and the water inlet and the water outlet of the first unidirectional valve are respectively communicated with the second water containing cavity B and the first water containing cavity a. The working principle is similar to that of the first preferred implementation and will not be described in detail here.
Similarly, alternatively, as a second preferred implementation of the water outlet unidirectional conduction mechanism, the water outlet unidirectional conduction mechanism 32 includes a second unidirectional valve having a second preset opening pressure, and the water inlet and the water outlet of the second unidirectional valve are respectively communicated with the first water containing cavity a and the second water containing cavity B. The working principle is similar to that of the first preferred implementation and will not be described in detail here.
In the above embodiment, the sealing spacer 3 may be supported by a rigid material, and it is also preferable that, as shown in fig. 4 and 6, the sealing spacer 3 includes a sealing spacer 33 and a shaping bracket 34, the sealing spacer 33 is made of an elastic material, and the shaping bracket 34 is penetrated in the sealing spacer 33. The sealing spacer 33 made of an elastic material (e.g., rubber) has good sealing performance, and the shaped bracket 34 penetrating into the sealing spacer 33 can prevent the sealing spacer 33 from being deformed by pressure. Wherein, the shaping bracket 34 is a net structure, which saves materials and ensures structural strength, thereby meeting the existing light-weight design requirement.
The application also provides an air conditioner water system which comprises the pressure-stabilizing water supplementing device. The air-conditioning water system is particularly suitable for a closed air-conditioning water system. The pressure stabilizing and water supplementing device can provide reliable pressure stabilizing effect and water supplementing effect, and accordingly, the air conditioning water system also has the beneficial technical effects and is not repeated herein. The pressure-stabilizing water supplementing device is arranged in the air conditioner water system, so that water can be automatically supplemented to the air conditioner pipeline system, and meanwhile, gas in the pipeline system can be discharged, the normal operation of an air conditioner is effectively ensured, and the operation life of a unit is prolonged.
The following describes the working principle of the air-conditioning water system as a closed air-conditioning water system by taking the embodiment of the pressure stabilizing water supplementing device shown in fig. 1 to 6 as an example as follows:
when water is injected into the air-conditioning water system during engineering debugging, due to the action of water pressure on the side of the second water containing cavity B, the water pressure overcomes the magnetic force of the magnet of the water inlet 312, the first cover plate 311 is forced to turn up, water enters the first water containing cavity A from the water inlet 312, when the water pressure of the first water containing cavity A and the water pressure of the second water containing cavity B are equal, the water pressure does not have acting force on the water inlet 312, the first cover plate 311 closes the water inlet 312 through the action of the magnetic force of the magnet, the second cover plate 321 of the water outlet 322 only can turn down in the process, the second cover plate 321 of the water outlet 322 does not act when the water pressure of the second water containing cavity B is high, the one-way vent valve 5 is required to be opened manually in the process, and the gas inside the system is discharged cleanly.
When the internal water pressure of the pipeline system is reduced, namely the water pressure of the second water containing cavity B is reduced, the first water containing cavity A has pressure, the water pressure of the first water containing cavity A overcomes the magnetic force action of the magnet at the water outlet 322, the second cover plate 321 is forced to downwards turn over to open the water outlet 322, the pressure stabilizing and water supplementing device supplements water into the pipeline system, when the water supplementing pressure is equal to the water pressure of the first water containing cavity A and the water pressure of the second water containing cavity B, no pressure difference exists at the moment, the second cover plate 321 closes the water outlet 322 under the magnetic force action of the magnet, and the pipeline system of the unit is in a normal working state after supplementing water.
The above-described examples are provided to illustrate embodiments of the present application in detail, but the present application is not limited to the described embodiments. It will be apparent to those skilled in the art that various changes, modifications, equivalents, and variations can be made to these embodiments without departing from the principles and spirit of the application.
Claims (11)
1. The pressure-stabilizing water supplementing device is characterized by comprising a first cylinder (1) with a first water containing cavity (A), a second cylinder (2) with a second water containing cavity (B) and a sealing baffle (3) arranged between the first cylinder (1) and the second cylinder (2) in a sealing way, wherein the sealing baffle (3) is used for isolating the first water containing cavity (A) and the second water containing cavity (B), the second cylinder (2) is provided with a connecting pipe (4) for communicating a waterway with the second water containing cavity (B), and the sealing baffle (3) is provided with a water inlet one-way conduction mechanism (31) with a first preset opening pressure and a water outlet one-way conduction mechanism (32) with a second preset opening pressure;
when the water pressure of the second water containing cavity (B) is larger than that of the first water containing cavity (A) and the water pressure difference between the second water containing cavity and the first water containing cavity is larger than the first preset opening pressure, the water inlet one-way conduction mechanism (31) can be opened to enable water in the second water containing cavity (B) to flow to the first water containing cavity (A);
when the water pressure of the first water containing cavity (A) is larger than that of the second water containing cavity (B) and the water pressure difference between the first water containing cavity and the second water containing cavity is larger than the second preset opening pressure, the water outlet one-way conduction mechanism (32) can be opened to enable water in the first water containing cavity (A) to flow to the second water containing cavity (B).
2. The pressure stabilizing and water supplementing device according to claim 1, wherein the water inlet one-way conduction mechanism (31) comprises a water inlet (312) and a first cover plate (311) pivoted on one side of the sealing baffle (3) close to the first water containing cavity (a), and the first cover plate (311) is covered on the water inlet (312) through a restoring spring force or a magnetic force attracted with the water inlet (312).
3. The pressure stabilizing and water supplementing device according to claim 1 or 2, wherein the water outlet unidirectional conduction mechanism (32) comprises a water outlet (322) and a second cover plate (321) pivoted on the other side of the sealing baffle (3) close to the second water containing cavity (B), and the second cover plate (321) is covered on the water outlet (322) through a restoring spring force or a magnetic force attracted with the water outlet (322).
4. The pressure stabilizing and water supplementing device according to claim 1, wherein the water inlet one-way conduction mechanism (31) comprises a first one-way valve with the first preset opening pressure, and a water inlet and a water outlet of the first one-way valve are respectively communicated with the second water containing cavity (B) and the first water containing cavity (a).
5. The pressure-stabilizing water replenishing device according to claim 1 or 4, wherein the water outlet one-way conduction mechanism (32) comprises a second one-way valve with the second preset opening pressure, and a water inlet and a water outlet of the second one-way valve are respectively communicated with the first water containing cavity (a) and the second water containing cavity (B).
6. The pressure stabilizing and water supplementing device according to claim 1, wherein the sealing baffle (3) comprises a sealing spacer (33) and a shaping support (34), the sealing spacer (33) is made of elastic materials, and the shaping support (34) is penetrated in the sealing spacer (33).
7. The pressure stabilizing and water replenishing device according to claim 6, wherein the shaping bracket (34) is of a net structure.
8. The pressure stabilizing and water supplementing device according to claim 1, wherein the axes of the first cylinder (1) and the second cylinder (2) are arranged vertically, and the first cylinder (1) is positioned above the second cylinder (2).
9. The pressure-stabilizing water supplementing device according to claim 1, further comprising a one-way ventilation valve (5) arranged at the top of the first cylinder (1), wherein an air inlet and an air outlet of the one-way ventilation valve (5) are respectively communicated with the first water containing cavity (A) and the atmosphere.
10. An air conditioning water system, characterized by comprising the pressure-stabilizing water-replenishing device according to any one of claims 1 to 9.
11. The air-conditioning water system of claim 10, wherein the air-conditioning water system is a closed air-conditioning water system.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710928760.2A CN107543271B (en) | 2017-10-09 | 2017-10-09 | Stable pressure moisturizing device and air conditioner water system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710928760.2A CN107543271B (en) | 2017-10-09 | 2017-10-09 | Stable pressure moisturizing device and air conditioner water system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107543271A CN107543271A (en) | 2018-01-05 |
| CN107543271B true CN107543271B (en) | 2023-08-29 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201710928760.2A Active CN107543271B (en) | 2017-10-09 | 2017-10-09 | Stable pressure moisturizing device and air conditioner water system |
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| CN (1) | CN107543271B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114687193B (en) * | 2020-12-30 | 2023-09-26 | 广东美的环境电器制造有限公司 | Household appliance |
| CN113959088B (en) * | 2021-10-11 | 2022-10-25 | 珠海格力电器股份有限公司 | Water replenishing device and mobile air conditioner with same |
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| CN107543271A (en) | 2018-01-05 |
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