CN216977182U - Household water heater system - Google Patents
Household water heater system Download PDFInfo
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- CN216977182U CN216977182U CN202220171657.4U CN202220171657U CN216977182U CN 216977182 U CN216977182 U CN 216977182U CN 202220171657 U CN202220171657 U CN 202220171657U CN 216977182 U CN216977182 U CN 216977182U
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Abstract
The application provides a domestic water heater system includes: a water pump, a first one-way valve, a water heater apparatus, and at least one water usage point element; the water inlet of the water heater device is connected with the second end of the first pipeline, and the first end of the first pipeline is connected with the water outlet of the water supply point element; the water pump is arranged on the first pipeline; the second end of each water using point element is connected with a second pipeline; a control element is arranged on the second pipeline, and the control element comprises a temperature sensor and an electromagnetic valve which are connected in sequence; and the electromagnetic valve is used for automatically opening the first signal received by the temperature sensor, and the first signal represents that the temperature of the water on the second pipeline is less than a preset temperature, so that the water on the second pipeline flows into the water heater equipment through the electromagnetic valve and the water pump in sequence to be heated. By adopting the technical scheme, hot water can be kept in the hot water pipe, and the hot water can be heated immediately after being used, and the hot water in the hot water pipe is prevented from being discharged into the cold water pipe, so that cold water can be kept in the cold water pipe at any time, and the influence on the use of cold water by a user is avoided.
Description
Technical Field
The application relates to the technical field of household appliances, in particular to a household water heater system.
Background
Hot water is an essential part in the life at home, and the domestic hot water system who utilizes various water heaters and valve member to constitute has brought very big facility for people, but heat pump water heater or gas heater mounted position are generally far away from the water position, and the water in the hot water pipeline can cool off gradually when not using water, has more cold water to emit when using water once more, and user experience is relatively poor.
In order to solve the problem of pipeline cold water and realize that hot water is discharged immediately when water is used, the existing solution is that a one-way valve is arranged between a hot water pipeline and a cold water pipeline at the farthest water using point, and a circulating water pump is used for pumping the water cooled by the hot water pipeline back to the water heater equipment through the cold water pipeline so as to realize that the hot water pipeline is filled with hot water again. However, the scheme easily enables the cold water pipeline to be filled with hot water, so that energy waste is easily caused, products are easily damaged if the products with requirements on water inlet temperature such as a water purifier are used, and the farthest water consumption point is easy to cause that cold water cannot be discharged due to the fact that the hot water enters the cold water pipeline when the water mixing valve is opened.
Therefore, there is a need for a household water heater system that can keep hot water in a hot water pipe, i.e., hot water immediately, and prevent hot water in the hot water pipe from being discharged into a cold water pipe, keep the cold water pipe from discharging cold water at any time, and avoid affecting the use of cold water by a user.
SUMMERY OF THE UTILITY MODEL
The application provides a domestic water heater system can make and keep hot water in the hot-water line, uses promptly to heat to prevent that the hot water in the hot-water line from discharging to the cold water pipe, keep the cold water pipe to go out cold water at any time, avoid influencing the use of user to cold water.
The application provides a domestic water heater system, includes: a water pump, a first one-way valve, a water heater apparatus, and at least one point of water use element;
the water inlet of the water heater device is connected with the second end of the first pipeline, and the first end of the first pipeline is connected with the water outlet of the water supply point element; the water pump is arranged on the first pipeline; the first end of the first one-way valve is connected with the first end of the water pump, and the second end of the first one-way valve is connected with the second end of the water pump;
a water outlet of the water heater equipment is connected with the first end of the first pipeline through a second pipeline;
the first end of each water using point element is connected with a preset connecting point on the first pipeline, and the preset connecting point is a position point between the water pump and the water supplying point element on the first pipeline; the second end of each water using point element is connected with the second pipeline;
a control element is arranged on the second pipeline and comprises a temperature sensor and an electromagnetic valve which are sequentially connected; the first end of the electromagnetic valve in the control element is respectively connected with the first end of the first pipeline and the first end of the last water using point element in the at least one water using point element, and the last water using point element is the water using point element which is farthest away from the water heater device; the temperature sensor is electrically connected with the water pump;
the electromagnetic valve is used for receiving a first signal of the temperature sensor to automatically open, and the first signal represents that the temperature of the water on the second pipeline is lower than a preset temperature, so that the water on the second pipeline sequentially flows into the water heater equipment through the electromagnetic valve and the water pump to be heated; wherein the first one-way valve is in a closed state.
In one example, the solenoid valve is further configured to automatically close upon receiving a second signal from the temperature sensor, the second signal indicating that the temperature of the water in the second pipeline is greater than or equal to a preset temperature, so that the water provided by the water supply point element flows into the water heater device through the first one-way valve to be heated; wherein the water pump is in a closed state;
and the water pump is used for receiving the second signal and automatically closing.
In one example, the control element further comprises a second one-way valve; the first end of the second one-way valve is respectively connected with the first end of the first pipeline and the first end of the last water point element in the at least one water point element; the second end of the second one-way valve is connected with the first end of the electromagnetic valve;
when the first one-way valve is in a closed state, the second one-way valve is in an open state; when the first one-way valve is in an open state, the second one-way valve is in a closed state.
In one example, the first one-way valve and the second one-way valve are both solenoid valves; the water pump is respectively electrically connected with the first one-way valve and the second one-way valve.
In one example, each water using point element is provided with a water mixing valve, a first end of the water mixing valve is connected with a preset connecting point on the first pipeline, and a second end of the water mixing valve is connected with the second pipeline.
In one example, the first end of the solenoid valve is connected to a third pipeline, and the third pipeline is connected with the first end of the water mixing valve of the last water using point element and the first end of the first pipeline;
the second end of the temperature sensor is connected with the second end of the water mixing valve of the last water using point element.
In one example, the system further comprises:
controlling the display screen; the control display screen comprises at least two keys; one key is used for starting or closing the household water heater system, and the other key is used for starting the detection function of the temperature sensor.
In one example, the system further comprises: and if the key corresponding to the detection function of the temperature sensor in the control display screen is not started, the water pump is in a closed state.
In one example, the system further comprises:
the water provided by the water supply point element flows into the water heater device through the first one-way valve to be heated; wherein the water pump is in an off state.
In one example, the system further comprises: the first pipeline and the second pipeline are arranged in parallel.
The application provides a domestic water heater system includes: a water pump, a first one-way valve, a water heater apparatus, and at least one point of water use element; the water inlet of the water heater equipment is connected with the second end of the first pipeline, and the first end of the first pipeline is connected with the water outlet of the water supply point element; the water pump is arranged on the first pipeline; the first end of the first one-way valve is connected with the first end of the water pump, and the second end of the first one-way valve is connected with the second end of the water pump; a water outlet of the water heater equipment is connected with the first end of the first pipeline through a second pipeline; the first end of each water using point element is connected with a preset connection point on the first pipeline, and the preset connection point is a position point between the water pump and the water supplying point element on the first pipeline; the second end of each water point using element is connected with a second pipeline; a control element is arranged on the second pipeline, and the control element comprises a temperature sensor and an electromagnetic valve which are sequentially connected; the first end of an electromagnetic valve in the control element is respectively connected with the first end of the first pipeline and the first end of the last water consumption point element in the at least one water consumption point element, and the last water consumption point element is the water consumption point element which is farthest away from the water heater equipment; the temperature sensor is electrically connected with the water pump; the electromagnetic valve is used for receiving a first signal of the temperature sensor to automatically open, and the first signal represents that the temperature of the water on the second pipeline is lower than a preset temperature, so that the water on the second pipeline sequentially flows into the water heater equipment through the electromagnetic valve and the water pump to be heated; wherein the first one-way valve is in a closed state. Adopt this technical scheme, can make and keep hot water in the hot-water line, heat promptly to prevent that the hot water in the hot-water line from discharging to the cold water pipe, keep cold water pipe to go out cold water at any time, avoid influencing the use of user to cold water.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the present application and together with the description, serve to explain the principles of the application.
FIG. 1 is a schematic structural diagram of a household water heater system according to an embodiment of the present application;
fig. 2 is a schematic structural diagram of a household water heater system according to the second embodiment of the present application.
Specific embodiments of the present application have been shown by way of example in the drawings and will be described in more detail below. These drawings and written description are not intended to limit the scope of the inventive concepts in any manner, but rather to illustrate the inventive concepts to those skilled in the art by reference to specific embodiments.
Reference numerals:
a water pump: 101, a first electrode and a second electrode;
a first check valve: 102, and (b);
water heater equipment: 103;
water spot element: 104;
water inlet of water heater apparatus: 105;
a first pipeline: 106;
water supply point element: 107;
water outlet of water heater equipment: 108;
a second pipeline: 109:
a control element: 110;
a temperature sensor: 1101;
electromagnetic valve: 1102;
a second one-way valve: 1103;
a water mixing valve: 209;
a third pipeline: 210;
controlling the display screen: 211;
pressing a key: 2111.
Detailed Description
Reference will now be made in detail to the exemplary embodiments, examples of which are illustrated in the accompanying drawings. The following description refers to the accompanying drawings in which the same numbers in different drawings represent the same or similar elements unless otherwise indicated. The embodiments described in the following exemplary embodiments do not represent all embodiments consistent with the present application. Rather, they are merely examples of apparatus and methods consistent with certain aspects of the present application, as detailed in the appended claims.
The application provides a domestic water heater system aims at solving prior art as above technical problem.
The following describes the technical solution of the present application and how to solve the above technical problems in detail by specific embodiments. The following several specific embodiments may be combined with each other, and details of the same or similar concepts or processes may not be repeated in some embodiments. Embodiments of the present application will be described below with reference to the accompanying drawings.
Fig. 1 is a schematic structural diagram of a household water heater system according to an embodiment of the present application.
The system 10 in the first embodiment includes the following structure:
a water pump 101, a first one-way valve 102, a water heater apparatus 103, and at least one point of use element 104.
The water inlet 105 of the water heater apparatus 103 is connected to the second end of the first pipe 106, and the first end of the first pipe 106 is connected to the water outlet of the water supply point element 107; the water pump 101 is arranged on the first pipeline 106; a first end of the first check valve 102 is connected to a first end of the water pump 101 and a second end of the first check valve 102 is connected to a second end of the water pump 101.
A second pipe 109 through which the water outlet 108 of the water heater apparatus 103 passes is connected to a first end of the first pipe 106;
the first end of each water using point element 104 is connected with a preset connection point on the first pipeline 106, and the preset connection point is a position point on the first pipeline 106 between the water pump 101 and the water supplying point element 107; a second end of each point of water use element 104 is connected to a second pipe 109.
In this embodiment, the cold water in the water supply point element 107 flows into the water heater device 103 through the first pipeline 106 and the first check valve 102 to enter the water heater device 103 for heating. The hot water heated by the water heater apparatus 103 flows to the water supply point element 107 through the second pipe 109.
A control element 110 is arranged on the second pipeline 109, and the control element 110 comprises a temperature sensor 1101 and an electromagnetic valve 1102 which are connected in sequence; the first end of the solenoid valve 1102 in the control unit 110 is connected to the first end of the first pipe 106, the first end of the last water usage point element 104 in the at least one water usage point element 104, respectively, the last water usage point element 104 being the water usage point element 104 farthest from the water heater apparatus 103; the temperature sensor 1101 is electrically connected to the water pump 101.
The electromagnetic valve 1102 is used for receiving a first signal of the temperature sensor 1101 to automatically open, wherein the first signal represents that the temperature of the water on the second pipeline 109 is lower than a preset temperature, so that the water on the second pipeline 109 sequentially flows into the water heater device 103 through the electromagnetic valve 1102 and the water pump 101 to be heated; wherein the first check valve 102 is in a closed state.
In this embodiment, the water in the second pipeline 109 is mainly hot water, and since the water in the second pipeline 109 is cooled when the water is not used for a long time, the user experience is deteriorated when the user uses the water flowing out from the water using point element 104. Therefore, in order to ensure the temperature of the water in the second pipeline 109, when the temperature of the water in the second pipeline 109 is lower than the preset temperature, the water in the second pipeline 109 flows into the water heater apparatus 103 through the electromagnetic valve 1102 and the water pump 101 in sequence for heating. In this embodiment, after the water pump 101 is turned on, the first check valve 102 may be controlled to be closed.
The application provides a pair of domestic water heater system can make and keep hot water in the hot-water line, uses promptly to heat to prevent that the hot water in the hot-water line from discharging to the cold water pipe, keep the cold water pipe to go out cold water at any time, avoid influencing the use of user to cold water.
Fig. 2 is a schematic structural diagram of a household water heater system according to the second embodiment of the present application.
The system 20 of the second embodiment comprises the following structure:
a water pump 101, a first check valve 102, a water heater apparatus 103, and at least one point of use element 104.
The water inlet of the water heater device 103 is connected to the second end of the first pipe 106, and the first end of the first pipe 106 is connected to the water outlet of the water supply point element 107; the water pump 101 is arranged on the first pipeline 106; a first end of the first check valve 102 is connected to a first end of the water pump 101 and a second end of the first check valve 102 is connected to a second end of the water pump 101.
The second pipe 109, through which the outlet of the water heater apparatus 103 passes, is connected to a first end of the first pipe 106.
The first end of each water using point element 104 is connected with a preset connection point on the first pipeline 106, and the preset connection point is a position point on the first pipeline 106 between the water pump 101 and the water supplying point element 107; a second end of each point of water use element 104 is connected to a second pipe 109.
A control element 110 is arranged on the second pipeline 109, and the control element 110 comprises a temperature sensor 1101 and an electromagnetic valve 1102 which are connected in sequence; the first end of the solenoid valve 1102 in the control unit 110 is connected to the first end of the first pipe 106, the first end of the last water usage point element 104 in the at least one water usage point element 104, respectively, the last water usage point element 104 being the water usage point element 104 farthest from the water heater apparatus 103; the temperature sensor 1101 is electrically connected to the water pump 101.
The electromagnetic valve 1102 is used for receiving a first signal of the temperature sensor 1101 to automatically open, and the first signal represents that the temperature of the water on the second pipeline 109 is lower than a preset temperature, so that the water on the second pipeline 109 sequentially flows into the water heater device 103 through the electromagnetic valve 1102 and the water pump 101 to be heated; wherein the first check valve 102 is in a closed state.
In this embodiment, the solenoid valve 1102 is used to control the on/off of water between the first pipeline 106 and the second pipeline 109 connected to the last water point using element 104, the solenoid valve 1102 is opened, the first pipeline 106 and the second pipeline 109 are connected, the solenoid valve 1102 is opened, and the first pipeline 106 and the second pipeline 109 are disconnected.
In one example, the solenoid valve 1102 is further configured to automatically close upon receiving a second signal from the temperature sensor 1101, the second signal indicating that the temperature of the water in the second pipe 109 is equal to or greater than a predetermined temperature, such that the water provided by the water supply point element 107 flows into the water heater apparatus 103 through the first check valve 102 for heating; wherein, the water pump 101 is in a closed state;
and the water pump 101 is used for receiving the second signal to automatically close.
In one example, the control element 110 further includes a second one-way valve 1103; a first end of the second check valve 1103 is connected to a first end of the first pipeline 106 and a first end of a last water usage point element 104 of the at least one water usage point element 104, respectively; a second end of the second check valve 1103 is connected to a first end of the solenoid valve 1102.
When the first check valve 102 is in the closed state, the second check valve 1103 is in the open state; when the first check valve 102 is in the open state, the second check valve 1103 is in the closed state.
In this embodiment, the pipeline of the first check valve 102 is arranged on the parallel pipeline side of the second pipeline 109 of the water pump 101, the water pump 101 is not started during normal use, and cold water flows into the water heater device 103 from the pipeline of the first check valve 102, so that not only is the pressure of the first pipeline 106 increased due to the starting of the water pump 101 avoided, but also the problem of flow limitation of the first pipeline 106 caused by the closing of the water pump 101 is solved.
In one example, the first check valve 102 and the second check valve 1103 are both solenoid valves; the water pump 101 is electrically connected to the first check valve 102 and the second check valve 1103, respectively.
In one example, each water use point element 104 is provided with a mixing valve 209, a first end of the mixing valve 209 is connected with a preset connection point on the first pipeline 106, and a second end of the mixing valve 209 is connected with the second pipeline 109.
In this embodiment, when the mixing valve 209 is in the open state, the water is discharged from the water point element 104 through the mixing valve 209, the water pump 101 is in the closed state, and further, the water flowing out of the mixing valve 209 passes through the water heater 103
The first line 106.
In one example, the first end of the solenoid valve 1102 is connected to the third pipe 210, and the third pipe 210 connects the first end of the mixing valve 209 of the last point of use element 104 and the first end of the first pipe 106.
A second end of the temperature sensor 1101 is connected to a second end of the mixing valve 209 of the last point of use element 104.
In this embodiment, the second check valve 1103 is used to ensure that water flows from the first pipeline 106 to the third pipeline 210, and prevent cold water from flowing back to the first pipeline 106 to affect the temperature sensor 1101 to measure the temperature of water in the first pipeline 106.
In this embodiment, when water is normally used through the mixing valve 209, the electromagnetic valve 1102 is in a closed state, so that the mixing of cold and hot water caused by the opening and closing of the mixing valve 209 can be effectively prevented.
In one example, the system further comprises: a control display 211; wherein, the control display 211 comprises at least two keys 2111; one of the keys 2111 is used to turn on or off the domestic water heater system 20, and the other key 2111 is used to turn on the detection function of the temperature sensor 1101.
In this embodiment, the control display screen 211 is a display device of a controller embedded in the household water heater system 20, wherein the control display screen 211 can display the temperature of the water in the household water heater system 20.
In one example, the system 20 further comprises: if the button corresponding to the detection function of the temperature sensor 1101 in the control display 211 is not activated, the water pump 101 is in the off state.
In one example, the system 20 further comprises:
water supplied from the water supply point element 107 flows into the water heater apparatus 103 through the first check valve 102 to be heated; the water pump 101 is turned off.
In one example, the system 20 further comprises: the first pipe 106 is arranged in parallel with the second pipe 109.
The application provides a domestic water heater system includes: a water pump, a first one-way valve, a water heater apparatus, and at least one point of water use element; the water inlet of the water heater equipment is connected with the second end of the first pipeline, and the first end of the first pipeline is connected with the water outlet of the water supply point element; the water pump is arranged on the first pipeline; the first end of the first one-way valve is connected with the first end of the water pump, and the second end of the first one-way valve is connected with the second end of the water pump; a water outlet of the water heater equipment is connected with the first end of the first pipeline through a second pipeline; the first end of each water using point element is connected with a preset connection point on the first pipeline, and the preset connection point is a position point between the water pump and the water supplying point element on the first pipeline; the second end of each water point using element is connected with a second pipeline; a control element is arranged on the second pipeline, and the control element comprises a temperature sensor and an electromagnetic valve which are sequentially connected; the first end of an electromagnetic valve in the control element is respectively connected with the first end of the first pipeline and the first end of the last water consumption point element in the at least one water consumption point element, and the last water consumption point element is the water consumption point element which is farthest away from the water heater equipment; the temperature sensor is electrically connected with the water pump; the electromagnetic valve is used for receiving a first signal of the temperature sensor to automatically open, and the first signal represents that the temperature of the water on the second pipeline is lower than a preset temperature, so that the water on the second pipeline sequentially flows into the water heater equipment through the electromagnetic valve and the water pump to be heated; wherein the first one-way valve is in a closed state. Adopt this technical scheme, can make and keep hot water in the hot-water line, heat promptly to prevent that hot water in the hot-water line from discharging to the cold water pipe, effectively prevented that the product sensitive to the temperature on the cold water pipeline from being damaged, keep the cold water pipe to go out cold water at any time, avoid influencing the use of user to cold water.
In the description of the embodiments of the present application, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implying any number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present application, "plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.
In the embodiments of the present application, unless otherwise specifically stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly, e.g., as meaning fixedly connected, detachably connected, or integrally formed; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as appropriate.
In the description of the embodiments of the present application, it should be understood that the terms "inner", "outer", "upper", "bottom", "front", "back", and the like, when used in conjunction with the orientation or positional relationship shown in the drawings, are used merely for convenience in describing the present application and for simplicity in description, and do not indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be considered as limiting the present application.
Other embodiments of the present application will be apparent to those skilled in the art from consideration of the specification and practice of the invention disclosed herein. This application is intended to cover any variations, uses, or adaptations of the invention following, in general, the principles of the application and including such departures from the present disclosure as come within known or customary practice within the art to which the invention pertains. It is intended that the specification and examples be considered as exemplary only, with a true scope and spirit of the application being indicated by the following claims.
It will be understood that the present application is not limited to the precise arrangements described above and shown in the drawings and that various modifications and changes may be made without departing from the scope thereof. The scope of the application is limited only by the appended claims.
Claims (10)
1. A domestic water heater system, comprising: a water pump, a first one-way valve, a water heater apparatus, and at least one point of water use element;
the water inlet of the water heater device is connected with the second end of the first pipeline, and the first end of the first pipeline is connected with the water outlet of the water supply point element; the water pump is arranged on the first pipeline; the first end of the first one-way valve is connected with the first end of the water pump, and the second end of the first one-way valve is connected with the second end of the water pump;
a water outlet of the water heater equipment is connected with the first end of the first pipeline through a second pipeline;
the first end of each water using point element is connected with a preset connecting point on the first pipeline, and the preset connecting point is a position point between the water pump and the water supplying point element on the first pipeline; the second end of each water using point element is connected with the second pipeline;
a control element is arranged on the second pipeline and comprises a temperature sensor and an electromagnetic valve which are sequentially connected; the first end of the electromagnetic valve in the control element is respectively connected with the first end of the first pipeline and the first end of the last water using point element in the at least one water using point element, and the last water using point element is the water using point element which is farthest away from the water heater device; the temperature sensor is electrically connected with the water pump;
the electromagnetic valve is used for receiving a first signal of the temperature sensor to automatically open, and the first signal represents that the temperature of the water on the second pipeline is lower than a preset temperature, so that the water on the second pipeline sequentially flows into the water heater equipment through the electromagnetic valve and the water pump to be heated; wherein the first one-way valve is in a closed state.
2. The system of claim 1, wherein the solenoid valve is further configured to automatically close upon receiving a second signal from the temperature sensor, the second signal indicating that the temperature of the water in the second pipeline is greater than or equal to a predetermined temperature, such that the water provided by the water supply point element flows into the water heater apparatus through the first one-way valve for heating; wherein the water pump is in a closed state;
and the water pump is used for receiving the second signal and automatically closing.
3. The system of claim 2, wherein the control element further comprises a second one-way valve; the first end of the second one-way valve is respectively connected with the first end of the first pipeline and the first end of the last water point element in the at least one water point element; the second end of the second one-way valve is connected with the first end of the electromagnetic valve;
when the first one-way valve is in a closed state, the second one-way valve is in an open state; when the first one-way valve is in an open state, the second one-way valve is in a closed state.
4. The system of claim 3, wherein the first one-way valve and the second one-way valve are both solenoid valves; the water pump is respectively electrically connected with the first one-way valve and the second one-way valve.
5. The system of claim 1, wherein each of the point of use elements is provided with a mixing valve, a first end of the mixing valve being connected to a predetermined connection point on the first pipeline, and a second end of the mixing valve being connected to the second pipeline.
6. The system of claim 5, wherein the first end of the solenoid valve is connected to a third line connecting the first end of the mixing valve of the last point of use element and the first end of the first line;
the second end of the temperature sensor is connected with the second end of the water mixing valve of the last water using point element.
7. The system of claim 1, further comprising:
controlling the display screen; the control display screen comprises at least two keys; one key is used for starting or closing the household water heater system, and the other key is used for starting the detection function of the temperature sensor.
8. The system of claim 7, further comprising:
and if the key corresponding to the detection function of the temperature sensor in the control display screen is not started, the water pump is in a closed state.
9. The system according to any one of claims 1-8, further comprising:
the water provided by the water supply point element flows into the water heater device through the first one-way valve to be heated; wherein the water pump is in an off state.
10. The system according to any one of claims 1-8, further comprising:
the first pipeline and the second pipeline are arranged in parallel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220171657.4U CN216977182U (en) | 2022-01-21 | 2022-01-21 | Household water heater system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220171657.4U CN216977182U (en) | 2022-01-21 | 2022-01-21 | Household water heater system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216977182U true CN216977182U (en) | 2022-07-15 |
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ID=82351971
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220171657.4U Active CN216977182U (en) | 2022-01-21 | 2022-01-21 | Household water heater system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216977182U (en) |
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2022
- 2022-01-21 CN CN202220171657.4U patent/CN216977182U/en active Active
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