CN215809346U - Gas-liquid mixing device and water heater - Google Patents
Gas-liquid mixing device and water heater Download PDFInfo
- Publication number
- CN215809346U CN215809346U CN202121320639.XU CN202121320639U CN215809346U CN 215809346 U CN215809346 U CN 215809346U CN 202121320639 U CN202121320639 U CN 202121320639U CN 215809346 U CN215809346 U CN 215809346U
- Authority
- CN
- China
- Prior art keywords
- water
- mixing tank
- pipeline
- gas
- control valve
- 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
Images
Landscapes
- Accessories For Mixers (AREA)
Abstract
The utility model particularly discloses a gas-liquid mixing device and a water heater. The gas-liquid mixing device comprises a first mixing tank, a second mixing tank, a circulating pipeline assembly, a gas circuit assembly, a water delivery assembly, a controller, a first liquid level detector and a second liquid level detector, wherein the gas circuit assembly is respectively communicated with the first mixing tank and the second mixing tank, the water delivery assembly is used for respectively delivering water into the first mixing tank and the second mixing tank, the first liquid level detector is used for detecting the liquid level in the first mixing tank and feeding detection information back to the controller, and the second liquid level detector is used for detecting the liquid level in the second mixing tank and feeding detection information back to the controller; the circulating pipeline assembly is connected between the first mixing tank and the second mixing tank and is used for conveying water in one to the other; the controller controls the circulation pipeline assembly and the water delivery assembly to work. The gas-liquid mixing device can continuously produce gas-liquid mixed water, when the gas-liquid mixed water is used as a gas-liquid mixed water generating component of the water heater, micro-bubble water with good persistence and high quality can be obtained, and the water using experience of a user can be improved.
Description
Technical Field
The utility model relates to the technical field of water supply equipment, in particular to a gas-liquid mixing device and a water heater.
Background
After installing microbubble generator in domestic water supply equipment (like water heater etc.), can produce little bubble water, for ordinary water, user's water experience has been improved to a certain extent, however, the dissolved volume of gas such as air in aquatic is few, along with the in-process that the user lasts the water of using, the microbubble in aquatic also can reduce gradually, need short-term the water of stopping go out in order to fill gas such as air in the water supply equipment, thereby make the dissolved volume of gas in aqueous resume before using, in order to guarantee the effect of little bubble water, this can lead to going out water intermittent and intermittent, little bubble water does not have sustainability, user experience is relatively poor.
SUMMERY OF THE UTILITY MODEL
One of the purposes of the embodiments of the present invention is to provide a gas-liquid mixing device, which at least solves the problem of poor user experience caused by the fact that the existing household water supply equipment cannot continuously generate micro-bubble water.
In order to achieve the above purpose, the embodiment of the present invention adopts the following technical solutions:
the gas-liquid mixing device comprises a first mixing tank, a second mixing tank, a circulating pipeline component, a gas path component, a water delivery component, a controller, a first liquid level detector and a second liquid level detector;
the gas path assembly is respectively communicated with the first mixing tank and the second mixing tank and is used for respectively introducing gas into the first mixing tank and the second mixing tank;
the water delivery assembly is respectively communicated with the first mixing tank and the second mixing tank and is used for respectively inputting water into the first mixing tank and the second mixing tank;
the circulating pipeline assembly is connected between the first mixing tank and the second mixing tank and is used for conveying water in the first mixing tank into the second mixing tank or conveying water in the second mixing tank into the first mixing tank;
the first liquid level detector is used for detecting the liquid level in the first mixing tank and feeding back detection information to the controller; the second liquid level detector is used for detecting the liquid level in the second mixing tank and feeding back detection information to the controller; the controller is used for controlling the circulation pipeline assembly and the water delivery assembly to work according to the feedback information of the first liquid level detector and the feedback information of the second liquid level detector.
In one possible embodiment, the water delivery assembly comprises a first water inlet control valve, a second water inlet control valve, a first water delivery pipe connected with the first mixing tank, and a second water delivery pipe connected with the second mixing tank; the circulating pipeline assembly comprises a water pumping pipeline, a water pump, a first switch control valve and a second switch control valve, one water inlet end of the water pumping pipeline is communicated with the first mixing tank through the first switch control valve, the other water inlet end of the water pumping pipeline is communicated with the second mixing tank through the second switch control valve, the water outlet end of the water pumping pipeline is respectively communicated with the first water delivery pipe and the second water delivery pipe, and the first water inlet control valve is arranged on the first water delivery pipe and is positioned between the first mixing tank and the position where the water pumping pipeline is communicated with the first water delivery pipe; the second water inlet control valve is arranged on the second water conveying pipe and is positioned between the second mixing tank and the position where the water pumping pipeline is communicated with the second water conveying pipe;
or the water conveying assembly comprises a first water inlet control valve, a second water inlet control valve, a first water conveying pipe connected with the first mixing tank and a second water conveying pipe connected with the second mixing tank; the circulating pipeline assembly comprises a water pumping pipeline, a water pump and a reversing valve, the water pump and the reversing valve are respectively arranged on the water pumping pipeline, the water inlet end of the water pumping pipeline is communicated with the first mixing tank and the second mixing tank in a reversing way through the reversing valve, the water outlet end of the water pumping pipeline is respectively communicated with the first water pipe and the second water pipe, and the first water inlet control valve is arranged on the first water pipe and is positioned between the first mixing tank and the position where the water pumping pipeline is communicated with the first water pipe; the second water inlet control valve is arranged on the second water conveying pipe and is positioned between the second mixing tank and the position where the water pumping pipeline is communicated with the second water conveying pipe;
or the circulating pipeline assembly comprises a water pumping pipeline and a water pump arranged on the water pumping pipeline, and two ends of the water pumping pipeline are respectively arranged in the first mixing tank and the second mixing tank in a penetrating manner;
or the circulating pipeline assembly comprises a water pumping pipeline, a water pump and two reversing valves, the water pump is arranged on the water pumping pipeline, and the water inlet end of the water pumping pipeline is communicated with the first mixing tank and the second mixing tank in a reversing mode through one reversing valve; the water outlet end of the water pumping pipeline is communicated with the first mixing tank and the second mixing tank in a reversing way through another reversing valve;
or the circulating pipeline assembly comprises two water pumping pipelines, a first switch control valve, a second switch control valve and two water pumps; a water pumping pipeline is communicated with the first mixing tank and the second mixing tank, and the first switch control valve and the water pump are arranged on the water pumping pipeline; the other water pumping pipeline is communicated with the first mixing tank and the second mixing tank, and the second switch control valve and the other water pump are arranged on the water pumping pipeline;
or the first mixing tank and the second mixing tank are arranged in the vertical direction, the bottom of the first mixing tank is higher than the top of the second mixing tank, the circulating pipeline assembly comprises a water pumping pipeline, a connecting pipeline, a water pump and a first switch control valve, one end of the water pumping pipeline penetrates through the top of the first mixing tank and is arranged in the first mixing tank, the other end of the water pumping pipeline penetrates through the second mixing tank, and the water pump is arranged on the water pumping pipeline; one end of the connecting pipeline is communicated with the first mixing tank at the bottom of the first mixing tank, the other end of the connecting pipeline is communicated with the second mixing tank at the top of the second mixing tank, and a switch control valve is arranged on the connecting pipeline;
or the circulating pipeline assembly comprises a water pumping pipeline, a water pump, two first switch control valves and two second switch control valves, the water pump is arranged on the water pumping pipeline, one water inlet end of the water pumping pipeline is communicated with the first mixing tank through one first switch control valve, and the other water inlet end of the water pumping pipeline is communicated with the second mixing tank through the other first switch control valve; one water outlet end of the water pumping pipeline is communicated with the first mixing tank through a second switch control valve, and the other water outlet end of the water pumping pipeline is communicated with the first mixing tank through another second switch control valve;
or the circulating pipeline assembly comprises a reversing valve, two water pumping pipelines and two water pumps, wherein one water pumping pipeline is communicated with the first mixing tank and the second mixing tank through the reversing valve, the other water pumping pipeline is communicated with the second mixing tank and the first mixing tank through the reversing valve, one water pump is arranged on one water pumping pipeline, and the other water pump is arranged on the other water pumping pipeline.
In a possible embodiment, the number of the first liquid level detectors is two, wherein one first liquid level detector is arranged near the bottom of the first mixing tank, and the other first liquid level detector is arranged near the top of the first mixing tank;
the quantity of second liquid level detector is two, and one of them second liquid level detector is close to the bottom setting of second blending tank, and another second liquid level detector is close to the top setting of second blending tank.
In one possible embodiment, the gas circuit assembly comprises a first gas transmission pipeline, a first flow control valve, a second gas transmission pipeline and a second flow control valve; the first flow direction control valve is arranged on the first gas transmission pipeline, the second flow direction control valve is arranged on the second gas transmission pipeline, and the first gas transmission pipeline is communicated with the first mixing tank; the second gas transmission pipeline is communicated with the second mixing tank.
In a possible embodiment, the gas-liquid mixing device further comprises two water outlet pipelines, wherein one water outlet pipeline is communicated with the first mixing tank, and the other water outlet pipeline is communicated with the second mixing tank.
Another object of the embodiment of the present invention is to provide a water heater.
The water heater comprises an inner container and the gas-liquid mixing device;
the gas-liquid mixing device is provided with a liquid inlet, a gas inlet and a gas-liquid outlet; the water inlet end of the water delivery component is communicated with the inner container, and the water outlet end of the water delivery component is communicated with the liquid inlet; the gas path component is connected with the gas inlet; the gas-liquid outlet is used for discharging liquid in the gas-liquid mixing device.
In a possible embodiment, the water heater further comprises a water inlet pipeline and a thermostatic valve, the water delivery assembly comprises a first water delivery pipe and a second water delivery pipe, and the water inlet pipeline is connected with the inner container and used for supplying cold water to the inner container; the thermostatic valve is arranged on the first water conveying pipeline and/or the second water conveying pipeline; the water inlet pipeline is also connected with the thermostatic valve and used for supplying water temperature adjusting water to the gas-liquid mixing device.
In a possible embodiment, the water inlet end of the second water pipe intersects with the first water pipe and is communicated with a position between the water inlet end and the water outlet end of the first water pipe, and the thermostatic valve is arranged on the first water pipe and is positioned between the water inlet end of the first water pipe and the position where the first water pipe intersects with the second water pipe.
In one possible embodiment, the water heater further comprises a shower head or a water faucet, and the shower head or the water faucet is arranged on the gas-liquid outlet;
and/or the number of the gas-liquid outlets is two, wherein one gas-liquid outlet is arranged on the first mixing tank, and the other gas-liquid outlet is arranged on the second mixing tank; the gas-liquid mixing device also comprises two water outlet pipelines, wherein the water inlet end of one water outlet pipeline is connected with one gas-liquid outlet, the water inlet end of the other water outlet pipeline is connected with the other gas-liquid outlet, and the water outlet ends of the two water outlet pipelines are respectively connected with a shower head or a faucet.
In a possible embodiment, the water heater further comprises a micro-bubble generator, which is provided in the shower head or on the water faucet.
The utility model has the beneficial effects that:
according to the gas-liquid mixing device and the water heater provided by the embodiment of the utility model, the gas-liquid mixing device comprises the first mixing tank and the second mixing tank, water in the first mixing tank can be pumped into the second mixing tank through the circulating pipeline assembly, water in the second mixing tank can also be pumped into the first mixing tank through the circulating pipeline assembly, and gas such as air and the like is supplied to the mixing tank pumped while water is pumped, so that the gas-liquid mixing device can continuously produce gas-liquid mixed water, when the micro bubble generator is arranged at the water outlet end of the gas-liquid mixing device, continuous and stable micro bubble water can be obtained, and the gas-liquid mixing device is used as a gas-liquid mixed water production part of the water heater, so that the water heater can continuously produce high-quality micro bubble water, and the water using experience of users can be improved.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.
Fig. 1 is a simplified structural schematic diagram of a gas-liquid mixing device according to a first embodiment of the present invention;
FIG. 2 is a simplified schematic structural diagram of a water heater according to a first embodiment of the present invention;
fig. 3 is a simplified structural schematic diagram of a gas-liquid mixing device according to a second embodiment of the present invention;
fig. 4 is a simplified structural schematic diagram of a gas-liquid mixing device provided in a third embodiment of the present invention;
fig. 5 is a simplified structural schematic diagram of a gas-liquid mixing device according to a fourth embodiment of the present invention;
fig. 6 is a simplified structural schematic diagram of a gas-liquid mixing device provided in the fifth embodiment of the present invention;
fig. 7 is a simplified structural schematic diagram of a gas-liquid mixing device according to a sixth embodiment of the present invention;
fig. 8 is a simplified structural schematic diagram of a gas-liquid mixing device according to a seventh embodiment of the present invention;
fig. 9 is a simplified structural schematic diagram of a gas-liquid mixing device according to an eighth embodiment of the present invention.
Reference numerals:
1. a gas-liquid mixing device;
11. a first mixing tank; 110. a liquid inlet; 111. an air inlet; 112. a gas-liquid outlet;
12. a second mixing tank;
13. a circulation line assembly; 131. a water pumping pipeline; 132. a water pump; 133. a first on-off control valve; 134. A second on-off control valve; 135. a diverter valve; 136. connecting a pipeline;
14. a gas circuit component; 141. a first gas transmission pipeline; 142. a second gas transmission pipeline; 143. a first flow control valve; 144. a second flow direction control valve;
15. a water delivery assembly; 151. a first water delivery pipe; 152. a second water delivery pipe; 153. a first water intake control valve; 154. a second water inlet control valve;
16. a controller;
17. a first liquid level detector;
18. a second liquid level detector;
19. a water outlet pipeline;
2. a water heater;
21. an inner container; 211. a heating assembly;
22. a water inlet pipeline;
23. a shower head;
24. a microbubble generator;
25. a thermostatic valve;
26. a faucet switch;
27. and a water discharge pipe.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, not all, embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example one
Fig. 1 to 2 show schematic structural diagrams of the gas-liquid mixing device 1 and the water heater 2 according to the present embodiment.
Referring to fig. 1, the gas-liquid mixing device 1 of the present embodiment includes a first mixing tank 11, a second mixing tank 12, a circulation pipeline assembly 13, a gas circuit assembly 14, a water delivery assembly 15, a controller 16, a first liquid level detector 17, a second liquid level detector 18, and two water outlet pipelines 19. Wherein, the circulation pipeline assembly 13 is connected between the first mixing tank 11 and the second mixing tank 12 for conveying the water in the first mixing tank 11 into the second mixing tank 12 or conveying the water in the second mixing tank 12 into the first mixing tank 11; the gas path component 14 is communicated with the first mixing tank 11 to be used for introducing gas into the first mixing tank 11, and meanwhile, the gas path component 14 is also communicated with the second mixing tank 12 to be used for introducing gas into the second mixing tank 12; the water delivery assembly 15 is communicated with the first mixing tank 11 for inputting water into the first mixing tank 11, and meanwhile, the water delivery assembly 15 is also communicated with the second mixing tank 12 for inputting water into the second mixing tank 12; the first liquid level detector 17 is used for detecting the liquid level in the first mixing tank 11 and feeding back the detection information to the controller 16; the second liquid level detector 18 is used for detecting the liquid level in the second mixing tank 12 and feeding back the detection information to the controller 16; the controller 16 is used for controlling the operation of the circulating pipeline assembly 13 and the water delivery assembly 15 according to the feedback information of the first liquid level detector 17 and the feedback information of the second liquid level detector 18.
Referring to fig. 1, in some embodiments, the water delivery assembly 15 includes a first water delivery pipe 151, a second water delivery pipe 152, a first water inlet control valve 153, and a second water inlet control valve 154. Wherein, the first water delivery pipe 151 is connected with the first mixing tank 11, and the first water inlet control valve 153 is arranged on the first water delivery pipe 151 to control the water flow to enter the first mixing tank 11; a second water delivery pipe 152 is connected to the second mixing tank 12, and a second water inlet control valve 154 is provided on the second water delivery pipe 152 to control the flow of water into the second mixing tank 12.
Referring to fig. 1, in some embodiments, the circulation line assembly 13 includes a water pumping line 131, a water pump 132, a first on-off control valve 133 and a second on-off control valve 134. The water pumping pipeline 131 is provided with two water inlet ends and two water outlet ends, and one water inlet end of the water pumping pipeline 131 is communicated with the first mixing tank 11 through a first switch control valve 133; the other water inlet end of the pumping pipeline 131 is communicated with the second mixing tank 12 through the second on-off control valve 134, the two water outlet ends of the pumping pipeline 131 are respectively communicated with the first water delivery pipe 151 and the second water delivery pipe 152, the first water inlet control valve 153 is arranged between the intersection and communication positions of the first mixing tank 11 of the first water delivery pipe 151, the pumping pipeline 131 and the first water delivery pipe 151, and the second water inlet control valve 154 is arranged between the intersection and communication positions of the second mixing tank 12 of the second water delivery pipe 152, the pumping pipeline 131 and the second water delivery pipe 152. In some embodiments, the two water inlet ends of the pumping pipe 131 are connected to the bottom of the first mixing tank 11 and the bottom of the second mixing tank 12, respectively. With such a configuration, when it is necessary to pump the water of the second mixing tank 12 to the first mixing tank 11, the second on-off control valve 134, the first water inlet control valve 153 and the water pump 132 are opened, and the first on-off control valve 133 and the second water inlet control valve 154 are closed; when the water in the first mixing tank 11 needs to be pumped to the second mixing tank 12, the first on-off control valve 133, the second water inlet valve and the water pump 132 are all required to be opened, and the second on-off control valve 134 and the first water inlet control valve 153 are closed.
Referring to fig. 1, the air path assembly 14 includes a first air transmission pipeline 141, a first flow direction control valve 143, a second air transmission pipeline 142 and a second flow direction control valve 144, wherein the first air transmission pipeline 141 is communicated with the first mixing tank 11, and the first flow direction control valve 143 is disposed on the first air transmission pipeline 141 to control the unidirectional flow of air; the second air pipeline 142 is communicated with the second mixing tank 12, and the second flow direction control valve 144 is arranged on the second air pipeline 142 to control the unidirectional flow of air.
Referring to fig. 1, in some embodiments, the number of the first liquid level detectors 17 is two, wherein one first liquid level detector 17 is disposed near the bottom of the first mixing tank 11 for detecting a low liquid level of the first mixing tank 11; another first level detector 17 is arranged near the top of the first mixing tank 11 for detecting a high liquid level in the first mixing tank 11, so that the liquid level height in the first mixing tank 11 can be effectively detected. When the first liquid level detector 17 detects that the liquid level in the first mixing tank 11 is higher than the preset threshold of the first mixing tank 11, the water pump 132 is started, the first on-off control valve 133 and the second water inlet control valve 154 are opened, the second on-off control valve 134 and the first water inlet control valve 153 are closed, the water in the first mixing tank 11 is pumped into the second mixing tank 12, air and other gases enter the first mixing tank 11 from the air path assembly 14, the liquid level of the water in the first mixing tank 11 is gradually lowered, and when the first liquid level detector 17 detects that the liquid level is lower than the preset threshold of the first mixing tank 11, the circulation pipeline assembly 13 stops working.
Referring to fig. 1, in some embodiments, the number of the second liquid level detectors 18 is two, wherein one second liquid level detector 18 is disposed near the bottom of the second mixing tank 12 for detecting a low liquid level of the second mixing tank 12; another second level detector 18 is provided near the top of the second mixing tank 12 for detecting a high level of the liquid in the second mixing tank 12, so that the liquid level in the second mixing tank 12 can be effectively detected. When the second liquid level detector 18 detects that the liquid level in the second mixing tank 12 is higher than the preset threshold of the second mixing tank 12, the water pump 132 is started, the second on-off control valve 134 and the first water inlet control valve 153 are opened, the first on-off control valve 133 and the second water inlet control valve 154 are closed, the water in the second mixing tank 12 is pumped into the first mixing tank 11, air and other gases enter the second mixing tank 12 from the air path assembly 14, the liquid level of the water in the second mixing tank 12 gradually decreases along with the water pumping time, and when the second liquid level detector 18 detects that the liquid level in the second mixing tank 12 is lower than the preset threshold of the second mixing tank 12, the circulation pipeline assembly 13 stops working.
Referring to fig. 1, in some embodiments, the gas-liquid mixing device 1 has two liquid inlets 110, two gas inlets 111 and two gas-liquid outlets 112, wherein one liquid inlet 110 is disposed at the top of the first mixing tank 11, and the other liquid inlet 110 is disposed at the top of the second mixing tank 12; the number of the air inlets 111 is two, wherein one air inlet 111 is arranged at the top of the first mixing tank 11, and the other air inlet 111 is arranged at the top of the second mixing tank 12; the number of the gas-liquid outlets 112 is two, one gas-liquid outlet 112 is arranged at the bottom of the first mixing tank 11, the other gas-liquid outlet 112 is arranged at the bottom of the second mixing tank 12, one water outlet pipeline 19 is communicated with the first mixing tank 11 and is arranged at the gas-liquid outlet 112 of the first mixing tank 11, and the other water outlet pipeline 19 is communicated with the second mixing tank 12 and is arranged at the gas-liquid outlet 112 of the second mixing tank 12.
In some embodiments, a booster pump (not shown) is further disposed on the water delivery assembly 15, and the first mixing tank 11 or the second mixing tank 12 can be pressurized by the booster pump, so as to ensure the pressure in the first mixing tank 11 and the second mixing tank 12, so that the gas-liquid mixed water in the first mixing tank 11 and the second mixing tank 12 is kept under a certain pressure.
Referring to fig. 2, on the basis of the gas-liquid mixing device 1, a water heater 2 is further provided according to an embodiment of the present invention.
The water heater 2 includes a tank 21, a water inlet pipe 22, a shower head 23 or a faucet (not shown), a micro-bubble generator 24, a thermostatic valve 25, a faucet switch 26, a drain pipe 27, and the gas-liquid mixing device 1. Wherein, the gas-liquid mixing device 1 is provided with a liquid inlet 110, a gas inlet 111 and a gas-liquid outlet 112; the water inlet end of the water delivery component 15 is communicated with the inner container 21, and the water outlet end is communicated with the liquid inlet 110; the air path assembly 14 is connected with the air inlet 111; the gas-liquid outlet 112 is used for discharging the liquid in the gas-liquid mixing device 1, the shower head 23 or the faucet is arranged at the gas-liquid outlet 112, and the micro-bubble generator 24 is arranged in the shower head 23 or on the faucet.
Referring to fig. 2, in some embodiments, a heating element 211 is disposed in the inner container 21 for heating the normal-temperature water or the cold water introduced into the inner container 21, so that the temperature of the water in the inner container 21 reaches the water temperature expected by the user.
Referring to fig. 2 and fig. 1, in some embodiments, the water delivery assembly 15 includes a first water delivery pipe 151 and a second water delivery pipe 152, a water inlet end of the first water delivery pipe 151 is communicated with the liner 21, a water outlet end of the first water delivery pipe 151 is communicated with the first mixing tank 11, a water inlet end of the second water delivery pipe 152 is communicated with the first water delivery pipe 151 in an intersecting manner, a water outlet end of the second water delivery pipe 152 is communicated with the second mixing tank 12, a thermostatic valve 25 is disposed on a path of the first water delivery pipe 151, and the thermostatic valve 25 is disposed between a position where the water inlet end of the first water delivery pipe 151 is communicated with the first water delivery pipe 151 and the second water delivery pipe 152 in an intersecting manner; the water inlet pipeline 22 comprises a first water inlet pipe and a second water inlet pipe, wherein the first water inlet pipe is connected with the liner 21 and is used for supplying cold water to the liner 21; the second inlet tube communicates with thermostatic valve 25, and thermostatic valve 25 is according to the hydrothermal temperature of the first raceway 151 transport that detects, confirms whether to open the second inlet tube and supply temperature adjusting water to gas-liquid mixing device 1 in, through adjusting the temperature of water, can be so that the temperature all the time in the temperature range that the user set for, avoids water end temperature to rise unusually and influence user's water experience.
In some embodiments, the first water pipe 151 and the second water pipe 152 are independent from each other, the water inlet ends of the first water pipe 151 and the second water pipe 152 are respectively communicated with the liner 21, the number of the thermostatic valves 25 is two, the thermostatic valves are respectively installed on the first water pipe 151 and the second water pipe 152, and the number of the second water inlet pipes is also two, and the two water inlet pipes are respectively communicated with the thermostatic valve 25 on the first water pipe 151 and the thermostatic valve 25 on the second water pipe 152, so as to improve the working independence of the first mixing tank 11 and the second mixing tank 12.
Referring to fig. 2 and 1, in some embodiments, the water inlet end of the water outlet pipe 27 is connected to the water outlet ends of the two water outlet pipes 19, the shower head 23 or the faucet is disposed at the water outlet end of the water outlet pipe 27, and the faucet switch 26 is disposed on the water outlet pipe 27 to control the water in the first mixing tank 11 or the second mixing tank 12 to be discharged from the shower head 23 or the faucet.
In some embodiments, in order to avoid that when the water in the first mixing tank 11 is pumped to the second mixing tank 12, the water pressure in the second mixing tank 12 is higher than the water pressure in the first mixing tank 11, the water in the second mixing tank 12 flows from the water outlet pipeline 19 connected with the second mixing tank 12 to the water outlet pipeline 19 connected with the first mixing tank 11 and flows back to the first mixing tank 11, which results in poor water pumping effect, a check valve (not shown in the figure) is arranged in the water outlet pipeline 19 connected with the first mixing tank 11; likewise, a non-return valve (not shown) is also provided in the outlet line 19 connected to the second mixing tank 12.
Example two
Referring to fig. 3, 2 and 1, the present embodiment is different from the first embodiment mainly in that the composition of the circulation line assembly 13 is different, in the first embodiment, the two water inlet ends of the water pumping line 131 are respectively provided with a first on-off control valve 133 and a second on-off control valve 134, and in the present embodiment, the two water inlet ends of the water pumping line 131 are not provided with the first on-off control valve 133 and the second on-off control valve 134, but the two water inlet ends of the water pumping line 131 are communicated with the first mixing tank 11 and the second mixing tank 12 in a reversing manner through the reversing valve 135, that is, the first mixing tank 11 is communicated with the second mixing tank 12 through the reversing valve 135, the water pump 132 and the second water inlet control valve 154, so that water in the first mixing tank 11 can be pumped into the second mixing tank 12; the second mixing tank 12 is communicated with the first mixing tank 11 through the direction switching valve 135, the water pump 132, and the first water inlet control valve 153, so that water in the second mixing tank 12 can be pumped into the first mixing tank 11.
In addition to the above differences, other structures of the gas-liquid mixing device 1 and the water heater 2 provided in the present embodiment can be optimally designed with reference to the first embodiment, and will not be described in detail herein.
EXAMPLE III
Referring to fig. 4, 2 and 1, the present embodiment is different from the first embodiment mainly in the composition of the circulation pipeline assembly 13, in the first embodiment, the circulation pipeline assembly 13 includes a water pumping pipeline 131, a first on-off control valve 133, a second on-off control valve 134 and a water pump 132, the water pumping pipeline 131 has two water inlet ends and two water outlet ends, one of the water inlet ends is connected to the bottom of the first mixing tank 11, the other water inlet end is connected to the bottom of the second mixing tank 12, one of the water outlet ends is connected to the top of the first mixing tank 11, the other water outlet end is connected to the top of the second mixing tank 12, in the present embodiment, the circulation pipeline assembly 13 includes the water pumping pipeline 131 and the water pump 132, 132 is disposed on the water pumping pipeline 131, one end of the water pumping pipeline 131 penetrates from the top of the first mixing tank 11 to the first mixing tank 11 and extends to the vicinity of the bottom of the first mixing tank 11, the other end of the water pumping pipeline 131 penetrates through the second mixing tank 12 from the top of the second mixing tank 12 and extends to the vicinity of the bottom of the second mixing tank 12, the first switch control valve 133 and the second switch control valve 134 are not required to be arranged, and only the water pump 132 is required to rotate forward and backward, so that the water in the first mixing tank 11 can be pumped into the second mixing tank 12, or the water in the second mixing tank 12 is pumped into the first mixing tank 11.
In addition to the above differences, other structures of the gas-liquid mixing device 1 and the water heater 2 provided in the present embodiment can be optimally designed with reference to the first embodiment, and will not be described in detail herein.
Example four
Referring to fig. 5, 2 and 1, the present embodiment is different from the first embodiment mainly in that the circulating line assembly 13 is composed of a water pumping line 131, a first on-off control valve 133, a second on-off control valve 134 and a water pump 132, the water pumping line 131 has two water inlet ends and two water outlet ends, one of the water inlet ends is connected to the bottom of the first mixing tank 11, the other water inlet end is connected to the bottom of the second mixing tank 12, one of the water outlet ends is connected to the top of the first mixing tank 11, the other water outlet end is connected to the top of the second mixing tank 12, in the present embodiment, the circulating line assembly 13 includes a water pumping line 131, a water pump 132 and two reversing valves 135, the water pump 132 is disposed on the water pumping line 131, and the water inlet end of the water pumping line 131 is connected to the top of the first mixing tank 11 through a reversing valve 135, The second mixing tank 12 is communicated in a reversing way; the water outlet end of the water pumping pipeline 131 is communicated with the first mixing tank 11 and the second mixing tank 12 in a reversing way through another reversing valve 135. More specifically, a reversing valve 135 is arranged at the water inlet end of the pumping pipeline 131, a reversing valve 135 is also arranged at the water outlet end of the pumping pipeline 131, the water pump 132 is arranged on the pumping pipeline 131 and located between the two reversing valves 135, when the water in the first mixing tank 11 is pumped to the second mixing tank 12, the reversing valve 135 at the water inlet end of the pumping pipeline 131 is communicated with the first mixing tank 11 and the water pump 132, and the reversing valve 135 at the water outlet end of the pumping pipeline 131 is communicated with the water pump 132 and the second mixing tank 12; when the water in the second mixing tank 12 is pumped to the first mixing tank 11, the reversing valve 135 at the water inlet end of the pumping pipeline 131 is communicated with the second mixing tank 12 and the water pump 132, and the reversing valve 135 at the water outlet end of the pumping pipeline 131 is communicated with the water pump 132 and the first mixing tank 11.
In addition to the above differences, other structures of the gas-liquid mixing device 1 and the water heater 2 provided in the present embodiment can be optimally designed with reference to the first embodiment, and will not be described in detail herein.
EXAMPLE five
Referring to fig. 6, 2 and 1, the present embodiment is different from the first embodiment mainly in the composition of the circulation line assembly 13, in the first embodiment, the circulation line assembly 13 includes a water pumping line 131, a first on-off control valve 133, a second on-off control valve 134 and a water pump 132, the water pumping line 131 has two water inlet ends and two water outlet ends, one of the water inlet ends is connected to the bottom of the first mixing tank 11, the other water inlet end is connected to the bottom of the second mixing tank 12, one of the water outlet ends is connected to the top of the first mixing tank 11, and the other water outlet end is connected to the top of the second mixing tank 12, and in the present embodiment, the circulation line assembly 13 includes two water pumping lines 131, a first on-off control valve 133, a second on-off control valve 134 and two water pumps 132; wherein, one water pumping pipeline 131 is communicated with the first mixing tank 11 and the second mixing tank 12, and the first switch control valve 133 and the water pump 132 are arranged on the water pumping pipeline 131; another pumping pipeline 131 connects the first mixing tank 11 and the second mixing tank 12, and a second on-off control valve 134 and another water pump 132 are disposed on the pumping pipeline 131. More specifically, two water pumping pipelines 131 are named as a first water pumping pipeline 131 and a second water pumping pipeline 131, two water pumps 132 are named as a first water pump 132 and a second water pump 132, the water inlet end of the first water pumping pipeline 131 is communicated with the first mixing tank 11 at the bottom of the first mixing tank 11, the water outlet end of the first water pumping pipeline 131 is communicated with the second mixing tank 12 at the top of the second mixing tank 12, and the first on-off control valve 133 and the first water pump 132 are both arranged on the first water pumping pipeline 131, so that water in the first mixing tank 11 can be pumped into the second mixing tank 12; the water inlet end of the second water pumping pipeline 131 is communicated with the second mixing tank 12 at the bottom of the second mixing tank 12, the water outlet end of the second water pumping pipeline 131 is communicated with the first mixing tank 11 at the top of the first mixing tank 11, and the second on-off control valve 134 and the second water pump 132 are both arranged on the second water pumping pipeline 131, so that the water in the second mixing tank 12 can be pumped into the first mixing tank 11.
In addition to the above differences, other structures of the gas-liquid mixing device 1 and the water heater 2 provided in the present embodiment can be optimally designed with reference to the first embodiment, and will not be described in detail herein.
EXAMPLE six
Referring to fig. 7, 2 and 1, the present embodiment is different from the first embodiment in that the first mixing tank 11 and the second mixing tank 12 are disposed at the same horizontal level or have a certain height difference with respect to the composition of the circulation line assembly 13, in which the first mixing tank 11 and the second mixing tank 12 are disposed at the same horizontal level, the circulation line assembly 13 includes a pumping line 131, a first on-off control valve 133, a second on-off control valve 134 and a water pump 132, the pumping line 131 has two water inlet ends and two water outlet ends, one of the water inlet ends is connected to the bottom of the first mixing tank 11, the other water inlet end is connected to the bottom of the second mixing tank 12, one of the water outlet ends is connected to the top of the first mixing tank 11, and the other water outlet end is connected to the top of the second mixing tank 12, and in the present embodiment, the first mixing tank 11 and the second mixing tank 12 are disposed along a vertical direction, and the level of the bottom of the first mixing tank 11 is higher than the level of the top of the second mixing tank 12, the circulation line assembly 13 comprises a water pumping line 131, a connecting line 136, a water pump 132 and a first on-off control valve 133, the water pumping line 131 is communicated with the first mixing tank 11 and the second mixing tank 12, and the water pump 132 is arranged on the water pumping line 131; one end of the connecting pipeline 136 is communicated with the first mixing tank 11 at the bottom of the first mixing tank 11, the other end is communicated with the second mixing tank 12 at the top of the second mixing tank 12, and the first on-off control valve 133 is arranged on the connecting pipeline 136. As for the pumping pipeline 131, more specifically, one end of the pumping pipeline 131 penetrates through the first mixing tank 11 and extends into the first mixing tank 11 from the top of the first mixing tank 11, and the other end penetrates through the second mixing tank 12, such as may penetrate through the second mixing tank 12 from the bottom of the second mixing tank 12 and the second mixing tank 12 into the second mixing tank 12, or penetrate through the second mixing tank 12 from the top of the second mixing tank 12 and extends into the second mixing tank 12.
In addition to the above differences, other structures of the gas-liquid mixing device 1 and the water heater 2 provided in the present embodiment can be optimally designed with reference to the first embodiment, and will not be described in detail herein.
EXAMPLE seven
Referring to fig. 8, fig. 2 and fig. 1, the present embodiment is different from the first embodiment in that the circulating line assembly 13 mainly includes a water pumping line 131, a first on-off control valve 133, a second on-off control valve 134 and a water pump 132, in which the water pumping line 131 has two water inlet ends and two water outlet ends, one of the water inlet ends is connected to the bottom of the first mixing tank 11, the other water inlet end is connected to the bottom of the second mixing tank 12, one of the water outlet ends is connected to the top of the first mixing tank 11, and the other water outlet end is connected to the top of the second mixing tank 12. In this embodiment, the circulation pipeline assembly 13 includes a water pumping pipeline 131, a water pump 132, two first on-off control valves 133 and two second on-off control valves 134, wherein the water pump 132 is disposed on the water pumping pipeline 131, and a water inlet end of the water pumping pipeline 131 is communicated with the first mixing tank 11 through one first on-off control valve 133; the other water inlet end of the water pumping pipeline 131 is communicated with the second mixing tank 12 through another first on-off control valve 133; one water outlet end of the pumping pipeline 131 is communicated with the first mixing tank 11 through a second on-off control valve 134, and the other water outlet end of the pumping pipeline 131 is communicated with the first mixing tank 11 through another second on-off control valve 134.
In addition to the above differences, other structures of the gas-liquid mixing device 1 and the water heater 2 provided in the present embodiment can be optimally designed with reference to the first embodiment, and will not be described in detail herein.
Example eight
Referring to fig. 9, 2 and 1, the present embodiment is different from the first embodiment mainly in the composition of the circulation line assembly 13, in the first embodiment, the circulation line assembly 13 includes a water pumping line 131, a first on-off control valve 133, a second on-off control valve 134 and a water pump 132, the water pumping line 131 has two water inlet ends and two water outlet ends, one of the water inlet ends is connected to the bottom of the first mixing tank 11, the other water inlet end is connected to the bottom of the second mixing tank 12, one of the water outlet ends is connected to the top of the first mixing tank 11, the other water outlet end is connected to the top of the second mixing tank 12, and in the present embodiment, the circulation line assembly 13 includes a reversing valve 135, two water pumping lines 131 and two water pumps 132, one of the water pumping lines 131 communicates the first mixing tank 11 and the second mixing tank 12 through the reversing valve 135, the other water pumping line 131 communicates the second mixing tank 12 with the first mixing tank 11 through the reversing valve 135, one water pump 132 is provided on one water suction line 131, and the other water pump 132 is provided on the other water suction line 131.
In addition to the above differences, other structures of the gas-liquid mixing device 1 and the water heater 2 provided in the present embodiment can be optimally designed with reference to the first embodiment, and will not be described in detail herein.
The above is only an embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art can easily conceive various equivalent modifications or substitutions within the technical scope of the present invention, and these modifications or substitutions should be covered within the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (10)
1. Gas-liquid mixing device, its characterized in that: the device comprises a first mixing tank, a second mixing tank, a circulating pipeline assembly, a gas path assembly, a water delivery assembly, a controller, a first liquid level detector and a second liquid level detector;
the gas path assembly is communicated with the first mixing tank and the second mixing tank respectively and is used for introducing gas into the first mixing tank and the second mixing tank respectively;
the water conveying assembly is respectively communicated with the first mixing tank and the second mixing tank and is used for respectively inputting water into the first mixing tank and the second mixing tank;
the circulation pipeline assembly is connected between the first mixing tank and the second mixing tank and is used for conveying water in the first mixing tank into the second mixing tank or conveying water in the second mixing tank into the first mixing tank;
the first liquid level detector is used for detecting the liquid level in the first mixing tank and feeding back detection information to the controller; the second liquid level detector is used for detecting the liquid level in the second mixing tank and feeding back detection information to the controller; the controller is used for controlling the circulation pipeline assembly and the water delivery assembly to work according to the feedback information of the first liquid level detector and the feedback information of the second liquid level detector.
2. The gas-liquid mixing device according to claim 1, wherein: the water conveying assembly comprises a first water inlet control valve, a second water inlet control valve, a first water conveying pipe connected with the first mixing tank and a second water conveying pipe connected with the second mixing tank; the circulating pipeline assembly comprises a water pumping pipeline, a water pump, a first switch control valve and a second switch control valve, one water inlet end of the water pumping pipeline is communicated with the first mixing tank through the first switch control valve, the other water inlet end of the water pumping pipeline is communicated with the second mixing tank through the second switch control valve, the water outlet end of the water pumping pipeline is respectively communicated with the first water pipe and the second water pipe, and the first water inlet control valve is arranged on the first water pipe and is positioned between the first mixing tank and a position where the water pumping pipeline is communicated with the first water pipe; the second water inlet control valve is arranged on the second water conveying pipe and is positioned between the second mixing tank and a position where the water pumping pipeline is communicated with the second water conveying pipe;
or the water conveying assembly comprises a first water inlet control valve, a second water inlet control valve, a first water conveying pipe connected with the first mixing tank and a second water conveying pipe connected with the second mixing tank; the circulating pipeline assembly comprises a water pumping pipeline, a water pump and a reversing valve, the water pump and the reversing valve are respectively arranged on the water pumping pipeline, the water inlet end of the water pumping pipeline is communicated with the first mixing tank and the second mixing tank in a reversing way through the reversing valve, the water outlet end of the water pumping pipeline is respectively communicated with the first water pipe and the second water pipe, and the first water inlet control valve is arranged on the first water pipe and is positioned between the first mixing tank and the position where the water pumping pipeline is communicated with the first water pipe; the second water inlet control valve is arranged on the second water conveying pipe and is positioned between the second mixing tank and a position where the water pumping pipeline is communicated with the second water conveying pipe;
or the circulating pipeline assembly comprises a water pumping pipeline and a water pump arranged on the water pumping pipeline, and two ends of the water pumping pipeline respectively penetrate through the first mixing tank and the second mixing tank;
or the circulating pipeline assembly comprises a water pumping pipeline, a water pump and two reversing valves, the water pump is arranged on the water pumping pipeline, and the water inlet end of the water pumping pipeline is communicated with the first mixing tank and the second mixing tank in a reversing mode through one reversing valve; the water outlet end of the water pumping pipeline is communicated with the first mixing tank and the second mixing tank in a reversing way through another reversing valve;
or the circulating pipeline assembly comprises two water pumping pipelines, a first switch control valve, a second switch control valve and two water pumps; the first water pumping pipeline is communicated with the first mixing tank and the second mixing tank, and the first switch control valve and the water pump are arranged on the first water pumping pipeline; the second water pumping pipeline is communicated with the first mixing tank and the second mixing tank, and the second switch control valve and the other water pump are arranged on the second water pumping pipeline;
or the first mixing tank and the second mixing tank are arranged in the vertical direction, the bottom of the first mixing tank is higher than the top of the second mixing tank, the circulating pipeline assembly comprises a water pumping pipeline, a connecting pipeline, a water pump and a first switch control valve, one end of the water pumping pipeline penetrates through the top of the first mixing tank and penetrates into the first mixing tank, the other end of the water pumping pipeline penetrates through the second mixing tank, and the water pump is arranged on the water pumping pipeline; one end of the connecting pipeline is communicated with the first mixing tank at the bottom of the first mixing tank, the other end of the connecting pipeline is communicated with the second mixing tank at the top of the second mixing tank, and the switch control valve is arranged on the connecting pipeline;
or the circulating pipeline assembly comprises a water pumping pipeline, a water pump, two first switch control valves and two second switch control valves, the water pump is arranged on the water pumping pipeline, one water inlet end of the water pumping pipeline is communicated with the first mixing tank through one first switch control valve, and the other water inlet end of the water pumping pipeline is communicated with the second mixing tank through the other first switch control valve; one water outlet end of the water pumping pipeline is communicated with the first mixing tank through one second switch control valve, and the other water outlet end of the water pumping pipeline is communicated with the first mixing tank through the other second switch control valve;
or, the circulation pipeline subassembly includes switching-over valve, two water pumping pipeline and two water pumps, one of them water pumping pipeline passes through the switching-over valve intercommunication first blending tank with the second blending tank, another water pumping pipeline passes through the switching-over valve intercommunication the second blending tank with first blending tank, one the water pump is located one on the water pumping pipeline, another the water pump is located another on the water pumping pipeline.
3. The gas-liquid mixing device according to claim 2, wherein: the number of the first liquid level detectors is two, one of the first liquid level detectors is arranged close to the bottom of the first mixing tank, and the other first liquid level detector is arranged close to the top of the first mixing tank;
the number of the second liquid level detectors is two, one of the second liquid level detectors is arranged close to the bottom of the second mixing tank, and the other second liquid level detector is arranged close to the top of the second mixing tank.
4. The gas-liquid mixing device according to claim 2, wherein: the gas circuit component comprises a first gas transmission pipeline, a first flow control valve, a second gas transmission pipeline and a second flow control valve; the first flow direction control valve is arranged on the first gas transmission pipeline, the second flow direction control valve is arranged on the second gas transmission pipeline, and the first gas transmission pipeline is communicated with the first mixing tank; the second gas transmission pipeline is communicated with the second mixing tank.
5. The gas-liquid mixing device according to any one of claims 1 to 4, wherein: the gas-liquid mixing device also comprises two water outlet pipelines, wherein one water outlet pipeline is communicated with the first mixing tank, and the other water outlet pipeline is communicated with the second mixing tank.
6. The water heater, its characterized in that: comprises an inner container and the gas-liquid mixing device as claimed in any one of claims 1 to 5;
the gas-liquid mixing device is provided with a liquid inlet, a gas inlet and a gas-liquid outlet; the water inlet end of the water delivery component is communicated with the inner container, and the water outlet end of the water delivery component is communicated with the liquid inlet; the gas path assembly is connected with the gas inlet; the gas-liquid outlet is used for discharging liquid in the gas-liquid mixing device.
7. The water heater as recited in claim 6, wherein: the water heater also comprises a water inlet pipeline and a thermostatic valve, the water delivery assembly comprises a first water delivery pipe and a second water delivery pipe, and the water inlet pipeline is connected with the liner and used for supplying water to the liner; the thermostatic valve is arranged on the first water conveying pipeline and/or the second water conveying pipeline; the water inlet pipeline is also connected with the thermostatic valve and used for supplying water for water temperature regulation to the gas-liquid mixing device.
8. The water heater as recited in claim 7, wherein: the thermostatic valve is arranged on the first water conveying pipeline and is positioned between the water inlet end of the first water conveying pipeline and the intersection and communication part of the first water conveying pipeline and the second water conveying pipeline.
9. The water heater as claimed in any one of claims 6 to 8, wherein: the water heater also comprises a shower head or a water faucet, and the shower head or the water faucet is arranged on the gas-liquid outlet;
and/or the number of the gas-liquid outlets is two, wherein one gas-liquid outlet is arranged on the first mixing tank, and the other gas-liquid outlet is arranged on the second mixing tank; the gas-liquid mixing device also comprises two water outlet pipelines, wherein the water inlet end of one water outlet pipeline is connected with one gas-liquid outlet, the water inlet end of the other water outlet pipeline is connected with the other gas-liquid outlet, and the water outlet ends of the two water outlet pipelines are respectively connected with the shower head or the water faucet.
10. The water heater as recited in claim 9, wherein: the water heater still includes microbubble generator, microbubble generator locates in the gondola water faucet or locate on the water tap.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202121320639.XU CN215809346U (en) | 2021-06-11 | 2021-06-11 | Gas-liquid mixing device and water heater |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202121320639.XU CN215809346U (en) | 2021-06-11 | 2021-06-11 | Gas-liquid mixing device and water heater |
Publications (1)
Publication Number | Publication Date |
---|---|
CN215809346U true CN215809346U (en) | 2022-02-11 |
Family
ID=80176528
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN202121320639.XU Active CN215809346U (en) | 2021-06-11 | 2021-06-11 | Gas-liquid mixing device and water heater |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN215809346U (en) |
-
2021
- 2021-06-11 CN CN202121320639.XU patent/CN215809346U/en active Active
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN108870718B (en) | Gas water heater who possesses microbubble function | |
CN113041866B (en) | Microbubble generating device and water heater | |
CN215809346U (en) | Gas-liquid mixing device and water heater | |
CN207335147U (en) | Water heater | |
CN113041924B (en) | Microbubble generating device and water heater | |
CN216756007U (en) | Double-tank circulating type micro-bubble generating device and water heater | |
CN114288883B (en) | Air pump type micro-bubble generating device and water heater | |
CN209160532U (en) | A kind of fermentation liquid alkaline storage tank | |
CN216878799U (en) | Micro-nano bubble liquid generation system and water heater | |
CN210564635U (en) | Foam dust suppression system | |
CN219922612U (en) | Micro-nano bubble liquid generation system and water heater | |
CN208426878U (en) | Water heater | |
CN114288882B (en) | Double-tank circulating type micro-bubble generating device and water heater | |
CN108361969B (en) | Water heater system | |
CN217782263U (en) | Air pressure liquid supply foaming device | |
CN215951780U (en) | Water heater | |
CN114288884B (en) | Microbubble generating device with gas storage chamber and water heater | |
CN218981117U (en) | Bubble water generating device of electric water heater | |
CN217795535U (en) | Bubble water generating device of gas water heater | |
CN216756008U (en) | Take microbubble generating device and water heater of gas receiver | |
CN214940768U (en) | Single air pump bathroom foaming device | |
CN216953550U (en) | Gas water heater | |
CN117598626A (en) | Foaming device and foaming bath machine | |
CN216409318U (en) | Water heater | |
CN215637988U (en) | Water heater |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
GR01 | Patent grant | ||
GR01 | Patent grant |