CN213841323U - Water heating system - Google Patents
Water heating system Download PDFInfo
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- CN213841323U CN213841323U CN202022201830.4U CN202022201830U CN213841323U CN 213841323 U CN213841323 U CN 213841323U CN 202022201830 U CN202022201830 U CN 202022201830U CN 213841323 U CN213841323 U CN 213841323U
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Abstract
The utility model discloses a water heating system, it relates to water treatment technical field, water heating system includes: the first pipeline is used for being communicated with a cold water output port of the water output mechanism; the second pipeline is provided with an instant heating module and a water storage device communicated with an outlet of the instant heating module, and the outlet of the second pipeline is communicated with a hot water output port of the water output mechanism. The hot water output under large-traffic can be realized to this application.
Description
Technical Field
The utility model relates to a water treatment technical field, in particular to water heating system.
Background
There are the all-in-one of multiple type water purification and heating function unification in the existing market, be called net heat all-in-one for short, it can purify the incoming water and heat again for the user uses. The heat and water purifying and integrating machine can directly supply water which is not heated by a user and can also supply water which is heated by the user. The heating temperature of general net hot all-in-one is a definite value of artificial setting, in case the setting is accomplished the back, and the user is when needs drinking water, and net hot all-in-one can flow out to the temperature of setting for through heating module with water direct heating to the confession user uses, but the flow of going out water is very little under this kind of mode, can't obtain large-traffic high temperature hot water completely, and user experience feels relatively poor.
SUMMERY OF THE UTILITY MODEL
In order to overcome the above-mentioned defect of the prior art, the embodiment of the utility model provides a technical problem that will solve provides a water heating system, and it can realize the hot water output under the large-traffic.
The embodiment of the utility model provides a concrete technical scheme is:
a water heating system, comprising:
the first pipeline is used for being communicated with a cold water output port of the water output mechanism;
the second pipeline is provided with an instant heating module and a water storage device communicated with an outlet of the instant heating module, and the outlet of the second pipeline is communicated with a hot water output port of the water output mechanism.
Preferably, the outlet of the second pipeline is used for being connected with a hot water output port of the water output mechanism.
Preferably, the water heating system further comprises: and one end of the third pipeline is communicated with the outlet of the instant heating module, and the outlet of the third pipeline is used for being communicated with a hot water output port of the water output mechanism.
Preferably, the outlet of the second conduit is connected to the inlet of the instant heating module.
Preferably, the second pipeline is further provided with a pump, an inlet of the pump is communicated with an outlet of the water storage device, and an outlet of the pump is communicated with an outlet of the second pipeline.
Preferably, the water heating system further comprises a water path switching unit, which has a first port communicated with the outlet of the instant heating module, a second port communicated with the third pipeline, and a third port communicated with the inlet of the water storage device, wherein the water path switching unit has two working positions, in the first working position, the first port is communicated with the second port, the first port is disconnected with the third port, in the second working position, the first port is communicated with the third port, and the first port is disconnected with the second port.
Preferably, the water storage device is provided with a liquid level detection part, and the liquid level detection part can detect whether the water in the water storage device is used up.
Preferably, the water heating system further comprises: and the control unit is electrically connected with the liquid level detection piece, and when the liquid level detection piece detects that the water in the water storage device is used up, the control unit controls the water heating system to add water into the water storage device.
Preferably, the inlet of the second pipeline is used for inputting pure water, and the second pipeline is provided with a second open-close valve which is positioned at the upstream of the instant heating module;
the water heating system further comprises: one end of the third pipeline is communicated with an outlet of the instant heating module, and an outlet of the third pipeline is used for being communicated with a hot water output port of the water output mechanism; a waterway switching unit having a first port communicated with the outlet of the instant heating module, a second port communicated with the third pipeline, and a third port communicated with the inlet of the water storage device, the waterway switching unit having two working positions, in a first working position, the first port is communicated with the second port, the first port is disconnected from the third port, in a second working position, the first port is communicated with the third port, and the first port is disconnected from the second port;
when the liquid level detection piece detects that water in the water storage device is used up, the control unit controls the second opening and closing valve to be opened, and the water path switching unit is located at a second working position so as to add water into the water storage device.
Preferably, the instant heating module is capable of heating water to 100 degrees celsius at a flow rate less than or equal to a first preset value determined by the maximum power of the instant heating module.
Preferably, the second pipeline is further provided with a pump, an inlet of the pump is communicated with an outlet of the water storage device, and an outlet of the pump is communicated with an outlet of the second pipeline;
the water heating system further comprises a water path switching unit, wherein the water path switching unit is provided with a first port communicated with the outlet of the instant heating module, a second port communicated with the third pipeline and a third port communicated with the inlet of the water storage device, the water path switching unit is provided with two working positions, the first port is communicated with the second port and disconnected with the third port in the first working position, and the first port is communicated with the third port and disconnected with the second port in the second working position;
the water heating system further comprises: the control unit is electrically connected with the pump, the water storage device, the instant heating module and the water path switching unit, the water heating system has a fourth working state, in the fourth working state, the control unit controls the pump to be in a running state, the water path switching unit is in a second working position, the instant heating module is in a heating state, and the water storage device is in a heating state.
Preferably, the water storage device is provided with a heating element capable of heating water in the water storage device.
Preferably, the inlet of the first pipeline is used for inputting pure water, and the first pipeline is provided with a first open-close valve.
Preferably, the water heating system further comprises: a water output mechanism comprising a faucet.
The technical scheme of the utility model following beneficial effect that is showing has:
when the user needs normal temperature water, the water heating system in this application passes through first pipeline and directly exports normal temperature water to the cold water output port of water output mechanism. When a user needs hot water at a large flow rate, the user cannot directly provide hot water at a large flow rate, especially high-temperature hot water, through the instant heating module due to the power limitation of the instant heating module. The water heating system in this application heats water through instant heating module, can heat to the temperature of any needs under the low discharge, then input and save to the water storage device, when needs large-traffic hot water, directly exports the user with the large-traffic of arbitrary needs with the hot water in the water storage device through the second pipeline to satisfy the user to the requirement of large-traffic hot water.
Specific embodiments of the present invention are disclosed in detail with reference to the following description and the accompanying drawings, which specify the manner in which the principles of the invention may be employed. It should be understood that the embodiments of the present invention are not so limited in scope. The embodiments of the invention include many variations, modifications and equivalents within the spirit and scope of the appended claims. Features that are described and/or illustrated with respect to one embodiment may be used in the same way or in a similar way in one or more other embodiments, in combination with or instead of the features of the other embodiments.
Drawings
The drawings described herein are for illustration purposes only and are not intended to limit the scope of the present disclosure in any way. In addition, the shapes, the proportional sizes, and the like of the respective members in the drawings are merely schematic for helping the understanding of the present invention, and do not specifically limit the shapes, the proportional sizes, and the like of the respective members of the present invention. The skilled person in the art can, under the teaching of the present invention, choose various possible shapes and proportional dimensions to implement the invention according to the specific situation.
FIG. 1 is a schematic structural diagram of a water heating system according to a first embodiment of the present invention;
fig. 2 is a schematic structural diagram of a water heating system according to a second embodiment of the present invention.
Reference numerals of the above figures:
1. a first pipeline; 11. a first opening/closing valve; 2. a second pipeline; 21. an instantaneous heating module; 22. a second opening/closing valve; 23. a water storage device; 231. a liquid level detection member; 24. a pump; 3. a third pipeline; 4. a waterway switching unit; 41. a first port; 42. a second port; 43. a third port; 5. a water output mechanism; 6. a purified water output pipeline.
Detailed Description
The details of the present invention can be more clearly understood with reference to the accompanying drawings and the description of the embodiments of the present invention. However, the specific embodiments of the present invention described herein are for the purpose of explanation only, and should not be construed as limiting the invention in any way. Given the teachings of the present invention, the skilled person can conceive of any possible variants based on the invention, which should all be considered as belonging to the scope of the invention. It will be understood that when an element is referred to as being "disposed on" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "mounted," "connected," and "connected" are to be construed broadly and may include, for example, mechanical or electrical connections, communications between two elements, direct connections, indirect connections through intermediaries, and the like. The terms "vertical," "horizontal," "upper," "lower," "left," "right," and the like as used herein are for illustrative purposes only and do not denote a unique embodiment.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs. The terminology used herein in the description of the present application is for the purpose of describing particular embodiments only and is not intended to be limiting of the application. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.
In order to be able to realize the hot water output under the large-traffic, a water heating system has been proposed in this application, fig. 1 is the embodiment of the present invention is a structural schematic diagram of the water heating system under the first embodiment, fig. 2 is the embodiment of the present invention is a structural schematic diagram of the water heating system under the second embodiment, as shown in fig. 1 to fig. 2, the water heating system can include: the first pipeline 1 is used for being communicated with a cold water output port of the water output mechanism 5; the second pipeline 2 is provided with an instant heating module 21 and a water storage device 23 communicated with the outlet of the instant heating module 21, and the outlet of the second pipeline 2 is communicated with the hot water output port of the water output mechanism 5.
When the user needs normal temperature water, the water heating system in the present application directly outputs the normal temperature water to the cold water output port of the water output mechanism 5 through the first pipeline 1. When a user needs hot water at a large flow rate, it is impossible to directly supply hot water at a large flow rate, especially high-temperature hot water, through the instant heating module 21 due to the power limitation of the instant heating module 21. The water heating system in this application heats the incoming water through instant heating module 21, can heat to any required temperature under the low flow, then inputs to water storage device 23 and stores, when needing large-traffic hot water, directly exports the hot water in the water storage device 23 for the user with the large-traffic of arbitrary needs through second pipeline 2 to satisfy the user to the requirement of large-traffic hot water.
In order to better understand the water heating system of the present application, it will be further explained and illustrated below. As shown in fig. 1 and 2, the water heating system may include: a first pipeline 1 and a second pipeline 2. Wherein, one end of the first pipeline 1 is used for being communicated with a cold water output port of the water output mechanism 5. The water output mechanism 5 may be a device for controlling water output, such as a faucet or the like, which can be used to open or close a water path. The water outlet means 5 may have two outlet ports, namely a cold water outlet port and a hot water outlet port. The other end, i.e. the inlet, of the first line 1 is used for inputting purified water, which may be in communication with a purified water output line 6. As a matter of course, the first line 1 may have a first opening/closing valve 11, and the first line 1 and the purified water output line 6 may be opened or closed by the first opening/closing valve 11. When the user needs normal temperature water, the water heating system in this application is in first operating condition, directly exports normal temperature water to the cold water output port of water output mechanism 5 through first pipeline 1.
As shown in fig. 1, the outlet of the second pipeline 2 is used for communicating with the hot water output port of the water output mechanism 5. In one embodiment, the outlet of the third line 3 may be adapted to be connected to a hot water outlet of the water outlet means 5. The second pipeline 2 is provided with an instant heating module 21, and the instant heating module 21 can instantly and rapidly heat water flowing through the second pipeline 2 to reach any required temperature. The instant heating module 21 is capable of heating water to 100 degrees celsius at a flow rate less than or equal to a first preset value determined by the maximum power of the instant heating module 21. The other end, i.e. the inlet, of the second line 2 is used for feeding clean water, which may be in communication with a clean water outlet line 6. As a possibility, the second line 2 has a second opening/closing valve 22, the second opening/closing valve 22 being located upstream of the instantaneous heating module 21. The second opening/closing valve 22 can control the opening/closing of the second pipeline 2 and the purified water output pipeline 6. The water storage device 23 communicated with the outlet of the instant heating module 21 is arranged on the second pipeline 2, the water heating system heats the incoming water through the instant heating module 21, the incoming water can be heated to any required temperature under low flow, for example, the incoming water can be heated to 80-100 ℃, the temperature in the interval is high, the second pipeline 2 is difficult to instantly heat through the instant heating module 21 and then meets the requirement of large flow, and the problem that the power of the instant heating module 21 is limited is solved. The heated water is then input into the water storage device 23 for storage. When large-flow hot water is needed, the water heating system is in the second working state, the hot water in the water storage device 23 is directly output to a user through the second pipeline 2 in any needed large flow, and therefore the requirement of the user on the large-flow hot water is met.
In one possible embodiment, the water heating system further comprises: and one end of the third pipeline 3 is communicated with the outlet of the instant heating module 21, and the outlet of the third pipeline 3 is communicated with the hot water output port of the water output mechanism 5. When a user needs hot water at different temperatures (for example, hot water at any temperature between 45 and 100 ℃), the water heating system in the present application is in the third working state, and incoming water can be instantly heated by the instant heating module 21 on the second pipeline 2, so that the water temperature reaches the temperature required by the user, and then the incoming water is directly output to the hot water output port of the water output mechanism 5 through the third pipeline 3. However, since the power of the instantaneous heating module 21 is limited, or the thickness of the power supply cable in the building to which the water heating system is connected is limited, this point cannot be changed, and therefore, the instantaneous heating module 21 cannot be selected to have a larger power, so that the maximum power of the instantaneous heating module 21 is limited. The third pipeline 3 cannot meet the requirement once a large flow of hot water, especially hot water at high temperature, needs to be supplied.
As shown in fig. 2, with the third line 3, in another embodiment, the outlet of the second line 2 can be connected to the inlet of the instant heating module 21.
In order to facilitate the controllable output of the hot water stored in the water storage device 23, the second pipeline 2 may be provided with a pump 24, an inlet of the pump 24 is communicated with an outlet of the water storage device 23, and an outlet of the pump 24 is communicated with an outlet of the third pipeline 3. When a large flow of hot water is required, the pump 24 is started, and the pump 24 outputs the hot water stored in the water storage device 23 to the hot water output port of the water output mechanism 5. Alternatively, the pump 24 outputs the hot water stored in the water storage device 23 to an inlet of the instant heating module 21 and then to a hot water output port of the water output mechanism 5 through the instant heating module 21 and the second pipe 2.
As a possibility, as shown in fig. 1 and 2, the water heating system may comprise a water circuit switching unit 4 having a first port 41 communicating with the outlet of the instant heating module 21, a second port 42 communicating with the third pipeline 3 and a third port 43 communicating with the inlet of the water storage means 23, the water circuit switching unit 4 having two operating positions. In the first working position, the first port 41 is connected to the second port 42, and the first port 41 is disconnected from the third port 43, so that the water heating system can provide hot water at different temperatures to the user. In the second working position, the first port 41 is connected to the third port 43, and the first port 41 is disconnected from the second port 42, so that the water heating system can provide hot water to the user at a large flow rate.
As shown in fig. 2, in a possible embodiment, when the outlet of the second pipeline 2 is connected to the inlet of the instant heating module 21 with the third pipeline 3, water is replenished to the water storage device 23 through the second pipeline 2, and during the replenishing, the water is heated and raised to the first temperature by the instant heating module 21 and stored in the water storage device 23, and the first temperature may be an intermediate temperature between normal temperature and high temperature hot water, for example, the temperature may be 60 degrees, 70 degrees, 75 degrees, 85 degrees, and so on. When a user needs hot water with a temperature lower than the first temperature, the incoming water can be directly heated by the instant heating module 21 and then supplied to the user through the third pipeline 3, and due to the fact that the temperature required by the user is low, under the heating power of the instant heating module 21, the sufficient hot water outlet flow can be ensured. When the user needs hot water with the first temperature, the hot water is directly output from the water storage device 23 through the pump 24 and then supplied to the user through the third pipeline 4, and in this way, the large-flow hot water outlet quantity can be ensured. When the user needs hot water with a temperature higher than the first temperature, the hot water with the temperature in the water storage device 23 is delivered to the instant heating module 21 through the pump 24, that is, the instant heating module 21 is started to reheat the water to make the water reach a higher temperature required by the user, and then the water is delivered to the user through the third pipeline 4. In this way, the heating module 21 only needs to instantly heat the difference temperature between the temperature of the water outlet device 23 and the temperature required by the user, so that the water outlet flow of the high-temperature hot water required by the user can be effectively increased.
The water storage device 23 may have a heating element for heating the water in the water storage device 23 and a temperature measuring element for measuring the temperature of the water. The heating member can heat the water in the water storage device 23 on the one hand, and the water in the water storage device 23 is kept warm. In addition, the heating element can realize the function of expanding the volume of the water storage device 23. As explained below, in order to prevent the heating element from generating the problem of "water rolling" in the water storage device 23, the water storage device 23 may have a liquid level detection element 231 therein, and the liquid level detection element 231 may detect whether the water in the water storage device 23 is used up. After the water heated by the instant heating module 21 is output to the water storage device 23 and is full, water is input to the water storage device 23 again for water supplement only after all hot water in the water storage device 23 is used up, and water supplement heating is not performed between the water supplement and the water supplement, so that the problem of 'water boiling over' caused by secondary heating of part of water in the water storage device 23 can be prevented. Under the above conditions, there is a problem that when a user needs to output a large amount of hot water and the total amount of the output hot water does not reach the user's demand, the hot water in the water storage device 23 is exhausted. When a user receives water, the heating module 21 may heat water at a low flow rate to a target hot water temperature and output the heated water to the water storage device 23, and may output the part of the water, so as to prolong the time of using up the hot water in the water storage device 23. After the water is used up, the water meeting the target hot water temperature can be continuously output at a lower flow rate in the mode. In addition, when the water storage device 23 needs to be refilled with water, the water heating system may include: and the control unit is electrically connected with the liquid level detection piece 231, and when the liquid level detection piece 231 detects that the water in the water storage device 23 is used up, the control unit controls the water heating system to add water into the water storage device 23. At this time, the control unit controls the second on-off valve 22 to be opened, and the water path switching unit 4 is set to the second operating position, so as to add water to the water storage device 23.
In the prior art, the heating is only carried out by the heating element in the water storage device 23, so that the time for heating the water to the target temperature is longer. In the application, the instant heating module 21 can be started to the maximum power, water is heated to a certain extent by the instant heating module 21 in the second pipeline 2 and then enters the water storage device 23 to be replenished, the heating element in the water storage device 23 is started during water replenishment, and the water input into the water storage device 23 is also heated, so that the time for heating the water in the water storage device 23 to meet the target hot water temperature can be greatly shortened. The user only needs to wait for less time to enable the water heating system to output large-flow hot water again, and user experience is greatly improved.
As shown in fig. 2, in a possible embodiment, when the third pipeline 3 is provided and the outlet of the second pipeline 2 is connected to the inlet of the instant heating module 21, in this embodiment, the water heating system may have a fourth operating state in which the control unit controls the pump 24 to be in an operating state, the waterway switching unit 4 is in the second operating position, that is, the instant heating module 21 is in a heating state, and if water cannot be heated to the target hot water temperature by passing through the instant heating module 21 at one time, the water in the water storage device 23 may be re-delivered to the instant heating module 21 by the pump 24 to be heated, and the circulation is performed until the water in the water storage device 23 reaches the target hot water temperature. When the water outlet device 23 has a heating element therein, the water storage device 23 may also be in a heating state, and the auxiliary instant heating module 21 heats the water in the water storage device 23. The water is heated by driving the water to circulate through the instant heating module 21 by the pump 24 and the water is heated by the heating members in the water storage device 23 at the same time, so that the water in the water storage device 23 can be heated to meet the target hot water temperature in the shortest time. When the water reaches the target hot water temperature, it is stored in the water storage device 23 to await use by the user.
The water heating system in this application can be used in the net heat all-in-one that water purification and heating are integrated together. The first pipeline 1 and the second pipeline 2 of the water heating system are communicated with a purified water output pipeline of a water purification unit in the heat and water purification all-in-one machine.
All articles and references disclosed, including patent applications and publications, are hereby incorporated by reference for all purposes. The term "consisting essentially of …" describing a combination shall include the identified element, ingredient, component or step as well as other elements, ingredients, components or steps that do not materially affect the basic novel characteristics of the combination. The use of the terms "comprising" or "including" to describe combinations of elements, components, or steps herein also contemplates embodiments that consist essentially of such elements, components, or steps. By using the term "may" herein, it is intended to indicate that any of the described attributes that "may" include are optional. A plurality of elements, components, parts or steps can be provided by a single integrated element, component, part or step. Alternatively, a single integrated element, component, part or step may be divided into separate plural elements, components, parts or steps. The disclosure of "a" or "an" to describe an element, ingredient, component or step is not intended to foreclose other elements, ingredients, components or steps.
The above embodiments are only embodiments of the present invention, and although the embodiments of the present invention are disclosed as above, the contents are only embodiments adopted for facilitating understanding of the present invention, and are not intended to limit the present invention. It will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the invention as defined by the appended claims.
Claims (13)
1. A water heating system, comprising:
the first pipeline is used for being communicated with a cold water output port of the water output mechanism;
the second pipeline is provided with an instant heating module and a water storage device communicated with an outlet of the instant heating module, and the outlet of the second pipeline is communicated with a hot water output port of the water output mechanism.
2. The water heating system of claim 1, further comprising: and one end of the third pipeline is communicated with the outlet of the instant heating module, and the outlet of the third pipeline is used for being communicated with a hot water output port of the water output mechanism.
3. The water heating system of claim 2, wherein the outlet of the second conduit is connected to the inlet of the instant heating module.
4. The water heating system of claim 1, further comprising a pump on the second conduit, an inlet of the pump being in communication with an outlet of the water storage device, and an outlet of the pump being in communication with an outlet of the second conduit.
5. The water heating system of claim 2, further comprising a water path switching unit having a first port in communication with the outlet of the instant heating module, a second port in communication with the third conduit, and a third port in communication with the inlet of the water storage device, the water path switching unit having two operating positions, a first operating position in which the first port is in communication with the second port and the first port is disconnected from the third port, and a second operating position in which the first port is in communication with the third port and the first port is disconnected from the second port.
6. The water heating system of claim 1, wherein the water storage device has a level detection member therein, the level detection member being capable of detecting whether the water in the water storage device has been used up.
7. The water heating system of claim 6, further comprising: and the control unit is electrically connected with the liquid level detection piece, and when the liquid level detection piece detects that the water in the water storage device is used up, the control unit controls the water heating system to add water into the water storage device.
8. The water heating system of claim 7, wherein the inlet of the second line is for inputting clean water, the second line having a second on-off valve thereon, the second on-off valve being located upstream of the instant heating module;
the water heating system further comprises: one end of the third pipeline is communicated with an outlet of the instant heating module, and an outlet of the third pipeline is used for being communicated with a hot water output port of the water output mechanism; a waterway switching unit having a first port communicated with the outlet of the instant heating module, a second port communicated with the third pipeline, and a third port communicated with the inlet of the water storage device, the waterway switching unit having two working positions, in a first working position, the first port is communicated with the second port, the first port is disconnected from the third port, in a second working position, the first port is communicated with the third port, and the first port is disconnected from the second port;
when the liquid level detection piece detects that water in the water storage device is used up, the control unit controls the second opening and closing valve to be opened, and the water path switching unit is located at a second working position so as to add water into the water storage device.
9. The water heating system of claim 1, wherein the instant heating module is capable of heating water to 100 degrees celsius at a flow rate less than or equal to a first preset value determined by a maximum power of the instant heating module.
10. The water heating system according to claim 3, wherein the second pipeline further comprises a pump, an inlet of the pump is communicated with an outlet of the water storage device, and an outlet of the pump is communicated with an outlet of the second pipeline;
the water heating system further comprises a water path switching unit, wherein the water path switching unit is provided with a first port communicated with the outlet of the instant heating module, a second port communicated with the third pipeline and a third port communicated with the inlet of the water storage device, the water path switching unit is provided with two working positions, the first port is communicated with the second port and disconnected with the third port in the first working position, and the first port is communicated with the third port and disconnected with the second port in the second working position;
the water heating system further comprises: the control unit is electrically connected with the pump, the water storage device, the instant heating module and the water path switching unit, the water heating system has a fourth working state, in the fourth working state, the control unit controls the pump to be in a running state, the water path switching unit is in a second working position, the instant heating module is in a heating state, and the water storage device is in a heating state.
11. The water heating system according to claim 1 or 10, wherein the water storage device has a heating element capable of heating the water in the water storage device.
12. The water heating system according to claim 1, wherein an inlet of the first pipeline is used for inputting pure water, and the first pipeline is provided with a first open-close valve.
13. The water heating system of claim 1, further comprising: a water output mechanism comprising a faucet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022201830.4U CN213841323U (en) | 2020-09-30 | 2020-09-30 | Water heating system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022201830.4U CN213841323U (en) | 2020-09-30 | 2020-09-30 | Water heating system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213841323U true CN213841323U (en) | 2021-07-30 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022201830.4U Active CN213841323U (en) | 2020-09-30 | 2020-09-30 | Water heating system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213841323U (en) |
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2020
- 2020-09-30 CN CN202022201830.4U patent/CN213841323U/en active Active
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