CN217031594U - Gas water heater capable of reducing water cut-off temperature rise - Google Patents
Gas water heater capable of reducing water cut-off temperature rise Download PDFInfo
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- CN217031594U CN217031594U CN202220328427.4U CN202220328427U CN217031594U CN 217031594 U CN217031594 U CN 217031594U CN 202220328427 U CN202220328427 U CN 202220328427U CN 217031594 U CN217031594 U CN 217031594U
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Abstract
The utility model discloses a gas water heater capable of reducing water cut-off temperature rise, which comprises a water inlet pipeline, a heat exchanger, a water outlet pipeline, a water valve assembly and a controller, wherein a water flow sensor electrically connected with the controller is arranged in the water inlet pipeline; the water inlet pipeline and the water outlet pipeline are respectively connected with the water inlet end and the water outlet end of the heat exchanger, the water valve component comprises a main valve body, a switch component and a one-way valve component, the switch component and the one-way valve component are arranged on the main valve body, a water flow channel is arranged in the main valve body, and the water flow channel respectively forms a water inlet and a water outlet at the two ends of the main valve body; the switch assembly is electrically connected with the controller and is used for opening or closing the water flow channel; the check valve component is arranged in the water inlet, and only water flows from the water inlet to the water outlet; the water inlet is connected with the water inlet pipeline, and the water outlet is connected with the water outlet pipeline. The utility model can reduce the water cut-off temperature rise and ensure the water production efficiency of the gas water heater.
Description
Technical Field
The utility model relates to the technical field of gas water heaters, in particular to a gas water heater capable of reducing water cut-off temperature rise.
Background
The problem that water is stopped and temperature is raised is that when the gas water heater is used, people feel headache, namely after the gas water heater stops working, water in the water tank stops flowing, static water absorbs waste heat of the heat absorption sheets of the heat exchanger to rapidly raise the temperature, and when a user boils water again, the user can be scalded. In order to solve the problem, the existing gas water heater usually utilizes a bypass pipe to reduce the water cut-off temperature rise, but the bypass pipe is larger in defect that cold water can flow into a hot water pipe from the bypass pipe when the gas water heater is in normal combustion operation, so that the hot water production efficiency and the normal operation of the water heater are influenced.
SUMMERY OF THE UTILITY MODEL
The utility model provides a gas water heater capable of reducing water cut-off temperature rise, which can reduce water cut-off temperature rise, effectively prevent cold water from flowing into a hot water pipe when the gas water heater is in normal combustion operation, and ensure the heat production efficiency of the gas water heater.
In order to solve the problems, the utility model adopts the following technical scheme:
the embodiment of the utility model provides a gas water heater capable of reducing water cut-off temperature rise, which comprises a water inlet pipeline, a heat exchanger, a water outlet pipeline, a water valve assembly and a controller, wherein a water flow sensor electrically connected with the controller is arranged in the water inlet pipeline; the water inlet pipeline and the water outlet pipeline are respectively connected with the water inlet end and the water outlet end of the heat exchanger, the water valve component comprises a main valve body, a switch component and a one-way valve component, the switch component and the one-way valve component are arranged on the main valve body, a water flowing channel is arranged in the main valve body, and the water flowing channel respectively forms a water inlet and a water outlet at two ends of the main valve body; the switch assembly is electrically connected with the controller and is used for opening or closing the water flow channel; the check valve assembly is arranged in the water inlet, and only water flows from the water inlet to the water outlet; the water inlet is connected with the water inlet pipeline, and the water outlet is connected with the water outlet pipeline.
In some embodiments, the flow channel comprises a first flow channel and a second flow channel, one end of the first flow channel forms the water inlet, one end of the second flow channel forms the water outlet, and the other end of the second flow channel forms an opening communicating with the first flow channel; the switch assembly comprises a sealing cover and a driving mechanism, wherein the driving mechanism is used for driving the sealing cover to be close to the opening to cover the opening or driving the sealing cover to be far away from the opening to open the opening.
In some embodiments, the driving mechanism includes a driving seat and an electromagnetic driving mechanism disposed in the driving seat, the driving seat is provided with a guide groove, an iron core and a spring are disposed in the guide groove, one end of the iron core abuts against the spring, the other end of the iron core is connected with the sealing cover, and the electromagnetic driving mechanism is used for driving the iron core to move axially along the guide groove.
In some embodiments, the opening is disposed in a vertical direction and the sealing cover is disposed over the opening.
In some embodiments, the sealing cap is a rubber pad.
In some embodiments, the outer side of the water inlet and the outer side of the water outlet of the main valve body are both sleeved with nut joints.
In some embodiments, the water inlet pipeline includes a water inlet joint, a first three-way joint and a water inlet pipe, the first three-way joint includes a first port, a second port and a third port, the water inlet joint is connected to the first port of the first three-way joint, two ends of the water inlet pipe are respectively connected to the water inlet end of the heat exchanger and the second port of the first three-way joint, and the third port of the first three-way joint is connected to the water inlet of the main valve body.
In some embodiments, the water flow sensor is disposed in the water inlet fitting or the first tee fitting.
In some embodiments, the water outlet pipeline includes a water outlet pipe, a second three-way joint and a water outlet joint, the second three-way joint includes a first port, a second port and a third port, the water outlet joint is connected to the first port of the second three-way joint, two ends of the water outlet pipe are respectively connected to the water outlet end of the heat exchanger and the second port of the second three-way joint, and the third port of the second three-way joint is connected to the water outlet of the main valve body.
The utility model has at least the following beneficial effects: when the gas water heater stops working, the water flow sensor detects that the water flow in the water inlet pipeline is very low or zero, the controller sends a control signal to the switch assembly, so that the switch assembly opens the water flow channel, and cold water in the water inlet pipeline can flow into the water outlet pipeline, so as to reduce the water cut-off temperature rise; when the gas water heater works in a normal combustion mode, the switch assembly closes the water flowing channel, cold water is prevented from flowing into the water outlet pipeline, and the hot water production efficiency of the gas water heater is guaranteed; in addition, the utility model integrates the functions of the switch valve and the one-way valve into one water valve component, so that the integral structure is more compact and simpler, the performance is more reliable, and the manufacturing cost is also reduced.
Drawings
FIG. 1 is a schematic structural diagram of a gas water heater capable of reducing temperature rise due to water cut-off according to an embodiment of the present invention;
FIG. 2 is a schematic cross-sectional view of a water valve assembly according to an embodiment of the present invention.
Wherein the reference numerals are: the water inlet pipe 100, the water flow sensor 101, the water inlet joint 110, the first three-way joint 120, the water inlet pipe 130, the heat exchanger 200, the water outlet pipe 300, the water outlet pipe 310, the second three-way joint 320, the water outlet joint 330, the water valve assembly 400, the main valve body 410, the water flow channel 401, the first water flow channel 402, the second water flow channel 403, the water outlet 404, the opening 405, the switch assembly 420, the sealing cover 421, the driving mechanism 422, the one-way valve assembly 430 and the nut joint 440.
Detailed Description
The present disclosure provides the following description with reference to the accompanying drawings to assist in a comprehensive understanding of various embodiments of the disclosure as defined by the claims and their equivalents. The description includes various specific details to aid understanding, but such details are to be regarded as exemplary only. Accordingly, those of ordinary skill in the art will recognize that various changes and modifications of the various embodiments described herein can be made without departing from the scope and spirit of the present disclosure. Moreover, descriptions of well-known functions and constructions may be omitted for clarity and conciseness.
The terms and words used in the following description and claims are not limited to the literal meanings, but are used by the inventors to enable a clear and consistent understanding of the disclosure. Accordingly, it will be apparent to those skilled in the art that the following descriptions of the various embodiments of the present disclosure are provided for illustration only and not for the purpose of limiting the disclosure as defined by the appended claims and their equivalents.
The terms "having," "may have," "including," or "may include" used in various embodiments of the present disclosure indicate the presence of the respective functions, operations, elements, etc., disclosed, but do not limit additional one or more functions, operations, elements, etc. Furthermore, it should be understood that the terms "comprises" or "comprising," when used in various embodiments of the present disclosure, are intended to indicate the presence of the stated features, numbers, operations, elements, components, or combinations thereof, but do not preclude the presence or addition of one or more other features, numbers, operations, elements, components, or combinations thereof.
It will be understood that when an element (e.g., a first element) is "connected" to another element (e.g., a second element), the element can be directly connected to the other element or intervening elements (e.g., a third element) may be present.
An embodiment of the present invention provides a gas water heater capable of reducing temperature rise due to water cut-off, as shown in fig. 1 and fig. 2, which includes a water inlet pipeline 100, a heat exchanger 200, a water outlet pipeline 300, a water valve assembly 400 and a controller, wherein a water flow sensor 101 electrically connected to the controller is disposed in the water inlet pipeline 100, and the water flow sensor 101 is configured to detect water flow in the water inlet pipeline 100 in real time. The water inlet pipe 100 and the water outlet pipe 300 are connected to the water inlet end and the water outlet end of the heat exchanger 200, respectively, and cold water flows into the heat exchanger 200 through the water inlet pipe 100, and hot water flows out of the water outlet pipe 300 after heat exchange.
The water valve assembly 400 includes a main valve body 410, and a switch assembly 420 and a check valve assembly 430 disposed on the main valve body 410, wherein a water flow passage 401 is disposed in the main valve body 410, the water flow passage 401 forms a water inlet and a water outlet 404 at two ends of the main valve body 410, and water can flow into the water flow passage 401 from the water inlet and then flow out from the water outlet 404. The switch assembly 420 is electrically connected to the controller, and the controller may send a control signal to the switch assembly 420 to enable the switch assembly 420 to open or close the water flow channel 401, so that when the water flow channel 401 is open, water may flow in the water flow channel 401, and when the water flow channel 401 is closed, water may not flow along the water flow channel 401. A one-way valve assembly 430 is provided in the water inlet that acts as a one-way valve so that water can only flow from the water inlet to the water outlet 404, but not from the water outlet 404 to the water inlet. The inlet is connected to the inlet line 100 and the outlet 404 is connected to the outlet line 300. Since the check valve is a conventional component in the art, the detailed structure of the check valve assembly 430 will not be described.
When the water flow sensor 101 detects that the water flow in the water inlet pipeline 100 is low or zero, it indicates that the gas water heater has stopped working, the controller sends a control signal to the switch assembly 420, so that the switch assembly 420 opens the water flow channel 401, the cold water in the water inlet pipeline 100 can flow into the water outlet pipeline 300 and be mixed with the hot water in the water outlet pipeline 300, so as to reduce the water-stop temperature rise, and the check valve assembly 430 plays a role in preventing the hot water in the water outlet pipeline 300 from flowing to the water inlet pipeline 100. When the water flow sensor 101 detects that the water flow in the water inlet pipeline 100 is greater than a certain set value, it indicates that the gas water heater is in normal combustion operation, the switch component 420 closes the water flow channel 401, so as to prevent cold water from flowing into the water outlet pipeline 300, and ensure the efficiency of producing hot water of the gas water heater. In addition, the utility model integrates the functions of the switch valve and the one-way valve into one water valve assembly 400, so that the whole structure is more compact and simpler, the performance is more reliable, and the manufacturing cost is also reduced.
In this embodiment, the switch module 420 may be a normally open type, that is, when the water heater is operating normally, the controller supplies power to the switch module 420, so that the switch module 420 is turned off, and when the water heater is not operating, the controller does not supply power to the switch module 420, and the switch module 420 is turned on. According to actual needs, the switch assembly 420 may also be a normally-closed type, that is, when the water heater is working normally, the controller does not supply power to the switch assembly 420, so that the switch assembly 420 is closed, and when the water heater is not working, the controller supplies power to the switch assembly 420, and the switch assembly 420 is opened.
In some embodiments, the flow channel 401 includes a first flow channel 402 and a second flow channel 403, one end of the first flow channel 402 forming a water inlet, one end of the second flow channel 403 forming a water outlet 404, and the other end of the second flow channel 403 forming an opening 405 communicating with the first flow channel 402. The switch assembly 420 includes a sealing cover 421 and a driving mechanism 422, the sealing cover 421 is located in the first flow passage 402, and the driving mechanism 422 is used for driving the sealing cover 421 to move. Specifically, the driving mechanism 422 may drive the sealing cover 421 to close the opening 405 to cover the opening 405, so that the water flowing channel 401 is closed. The drive mechanism 422 may also drive the sealing cap 421 away from the opening 405 to open the opening 405 such that the flow channel 401 is open and water may flow along the flow channel 401.
Further, actuating mechanism 422 includes the driving seat and sets up the electromagnetic drive mechanism in the driving seat, and the driving seat is provided with the guide way, is provided with iron core and spring in the guide way, and the one end and the spring butt of iron core, the other end link to each other with sealed lid 421, and electromagnetic drive mechanism is used for ordering about the axial displacement of iron core along the guide way. Specifically, electromagnetic drive mechanism can produce magnetic adsorption power in order to adsorb the iron core for the iron core removes to the guide way, and the iron core drives sealed lid 421 promptly and keeps away from opening 405, and the magnetic adsorption power when electromagnetic drive mechanism disappears, and the iron core outwards stretches out under the elastic force of spring, and then drives sealed lid 421 and be close to opening 405. The electromagnetic driving mechanism is a common driving mechanism in the electromagnetic valve, and the specific structure thereof is not described in detail.
Further, the opening 405 is disposed in a vertical direction, that is, an axial direction of the opening 405 is parallel to the vertical direction, the sealing cover 421 is disposed above the opening 405, and the guide groove may also extend in the vertical direction. The iron core arranged in this way can naturally fall under the action of gravity, the sealing cover 421 is more closely attached to the opening 405, and the sealing effect on the opening 405 is better.
In some embodiments, the sealing cover 421 is a rubber pad, and the rubber pad is more closely attached to the opening 405, so that the sealing effect is better.
In some embodiments, the outer sides of the inlet and outlet 404 of the main valve body 410 are sleeved with nut fittings 440 to facilitate connection of external piping to the main valve body 410.
In some embodiments, the water inlet pipeline 100 includes a water inlet joint 110, a first three-way joint 120 and a water inlet pipe 130, the first three-way joint 120 includes a first interface, a second interface and a third interface, one end of the water inlet joint 110 is used for connecting an external cold water pipe, the other end of the water inlet joint is connected with the first interface of the first three-way joint 120, two ends of the water inlet pipe 130 are respectively connected with the water inlet end of the heat exchanger 200 and the second interface of the first three-way joint 120, and cold water sequentially passes through the water inlet joint 110, the first three-way joint 120 and the water inlet pipe 130 and then flows into the heat exchanger 200. The third port of the first three-way joint 120 is connected to the water inlet of the main valve body 410, so that a part of the cold water can enter the main valve body 410.
In some embodiments, the water flow sensor 101 is disposed in the water inlet fitting 110 or the first three-way fitting 120 closer to the water source, which may allow the water valve assembly 400 to operate more quickly.
In some embodiments, the water outlet pipeline 300 includes a water outlet pipe 310, a second three-way joint 320 and a water outlet joint 330, the second three-way joint 320 includes a first interface, a second interface and a third interface, one end of the water outlet joint 330 is connected to an external pipeline to output hot water outwards, the other end of the water outlet joint 330 is connected to the first interface of the second three-way joint 320, two ends of the water outlet pipe 310 are respectively connected to the water outlet end of the heat exchanger 200 and the second interface of the second three-way joint 320, the hot water in the heat exchanger 200 sequentially passes through the water outlet pipe 310, the second three-way joint 320 and the water outlet joint 330 and is then delivered to a water using terminal such as a shower head, a faucet and the like, and the third interface of the second three-way joint 320 is connected to the water outlet of the main valve body 410, so that cold water in the water inlet pipeline 100 can flow into the water outlet pipeline 300 through the main valve body 410.
The foregoing is a more detailed description of the present invention that is presented in conjunction with specific embodiments, and the practice of the utility model is not to be considered limited to those descriptions. It will be apparent to those skilled in the art that a number of simple derivations or substitutions can be made without departing from the inventive concept.
Claims (9)
1. The utility model provides a can reduce gas heater of temperature rise of cutting off water which characterized in that: the water-saving device comprises a water inlet pipeline, a heat exchanger, a water outlet pipeline, a water valve assembly and a controller, wherein a water flow sensor electrically connected with the controller is arranged in the water inlet pipeline; the water inlet pipeline and the water outlet pipeline are respectively connected with the water inlet end and the water outlet end of the heat exchanger, the water valve component comprises a main valve body, a switch component and a one-way valve component, the switch component and the one-way valve component are arranged on the main valve body, a water flow channel is arranged in the main valve body, and the water flow channel respectively forms a water inlet and a water outlet at two ends of the main valve body; the switch assembly is electrically connected with the controller and is used for opening or closing the water flowing channel; the check valve assembly is arranged in the water inlet, and only water flows from the water inlet to the water outlet; the water inlet is connected with the water inlet pipeline, and the water outlet is connected with the water outlet pipeline.
2. The gas water heater capable of reducing the temperature rise caused by water cut-off as claimed in claim 1, is characterized in that: the water flowing channel comprises a first water flowing channel and a second water flowing channel, one end of the first water flowing channel forms the water inlet, one end of the second water flowing channel forms the water outlet, and the other end of the second water flowing channel forms an opening communicated with the first water flowing channel; the switch assembly comprises a sealing cover and a driving mechanism, wherein the driving mechanism is used for driving the sealing cover to be close to the opening so as to cover the opening or driving the sealing cover to be far away from the opening so as to open the opening.
3. The gas water heater capable of reducing the temperature rise caused by water cut-off as claimed in claim 2, wherein: actuating mechanism includes the drive seat and sets up the electromagnetic drive mechanism in the drive seat, the drive seat is provided with the guide way, be provided with iron core and spring in the guide way, the one end and the spring butt of iron core, the other end links to each other with sealed lid, electromagnetic drive mechanism is used for ordering about the axial displacement of iron core along the guide way.
4. The gas water heater capable of reducing the temperature rise due to water cut-off as recited in claim 3, wherein: the opening is arranged along the vertical direction, and the sealing cover is arranged above the opening.
5. The gas water heater capable of reducing the temperature rise caused by water cut-off as claimed in claim 2, is characterized in that: the sealing cover is a rubber pad.
6. The gas water heater capable of reducing the temperature rise after water cut-off according to any one of claims 1-5, wherein: the outer sides of the water inlet and the water outlet of the main valve body are both sleeved with nut connectors.
7. The gas water heater capable of reducing the temperature rise after water cut-off according to any one of claims 1-5, wherein: the water inlet pipeline comprises a water inlet connector, a first three-way connector and a water inlet pipe, the first three-way connector comprises a first connector, a second connector and a third connector, the water inlet connector is connected with the first connector of the first three-way connector, two ends of the water inlet pipe are respectively connected with the water inlet end of the heat exchanger and the second connector of the first three-way connector, and the third connector of the first three-way connector is connected with the water inlet of the main valve body.
8. The gas water heater capable of reducing the temperature rise due to water cut-off as recited in claim 7, wherein: the water flow sensor is arranged in the water inlet joint or the first three-way joint.
9. The gas water heater capable of reducing the temperature rise after water cut-off according to any one of claims 1-5, wherein: the water outlet pipeline comprises a water outlet pipe, a second three-way joint and a water outlet joint, the second three-way joint comprises a first interface, a second interface and a third interface, the water outlet joint is connected with the first interface of the second three-way joint, two ends of the water outlet pipe are respectively connected with the water outlet end of the heat exchanger and the second interface of the second three-way joint, and the third interface of the second three-way joint is connected with the water outlet of the main valve body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220328427.4U CN217031594U (en) | 2022-02-17 | 2022-02-17 | Gas water heater capable of reducing water cut-off temperature rise |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220328427.4U CN217031594U (en) | 2022-02-17 | 2022-02-17 | Gas water heater capable of reducing water cut-off temperature rise |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217031594U true CN217031594U (en) | 2022-07-22 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220328427.4U Active CN217031594U (en) | 2022-02-17 | 2022-02-17 | Gas water heater capable of reducing water cut-off temperature rise |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217031594U (en) |
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2022
- 2022-02-17 CN CN202220328427.4U patent/CN217031594U/en active Active
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