CN216693974U - Waterway system of gas water heater - Google Patents
Waterway system of gas water heater Download PDFInfo
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- CN216693974U CN216693974U CN202121047154.8U CN202121047154U CN216693974U CN 216693974 U CN216693974 U CN 216693974U CN 202121047154 U CN202121047154 U CN 202121047154U CN 216693974 U CN216693974 U CN 216693974U
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Abstract
The utility model discloses a waterway system of a gas water heater, which also comprises a switch valve device, a one-way valve and a controller, wherein the switch valve device is arranged between a water inlet and a water outlet so as to enable a cold water pipe, a hot water pipe, a water consumption point and a water heater body to jointly form a circulation pipeline, the one-way valve is arranged on the switch valve device and is in one-way conduction from the hot water pipe to the cold water pipe, the switch valve device is electrically connected with the controller, and the controller controls the switch valve device to open and close according to the current working state of the water heater so as to open and close the circulation pipeline. The water mixing valve is simple in structure, and can effectively solve the problem of water mixing caused by insufficient reverse resistance of the one-way valve, so that the water mixing phenomenon between the hot water pipe and the cold water pipe is avoided.
Description
Technical Field
The utility model relates to the technical field of water heaters, in particular to a waterway system of a gas water heater.
Background
Zero cold water gas heater has become water heater trade trend because of it can realize that hot water is opened promptly and is used, more and more receive consumers 'favor, zero cold water pipeline on the present market, the no return water pipe waterway system that most comprises cold water pipe, hot-water line and the water heater of taking circulating water pump, this kind of system is through passing through check valve and cold water piping connection at hot water consumption point farthest end for gas heater, the hot-water line, the check valve pipeline, the cold water pipe forms the circulating line, cold water in the circulating water route is preheated in advance through circulating water pump drive, realize the start and go out hot water promptly, promote consumer's travelling comfort. This kind of scheme make full use of original cold water pipeline in the user family, the user need not reform transform current pipeline design and just can realize the pipeline circulation of zero cold water, and the construction is more simple and convenient, and this is the scheme that current zero cold water heater installation is more, nevertheless also has following shortcoming simultaneously:
although the existing zero-cold-water solution without a return water pipeline realizes the 'zero-cold-water' functional requirement of a user without a return water pipe, a series of new use pain points are brought, for example, when the user does not need hot water, a cold water switch is opened or a toilet is flushed, and a washing machine works, the characteristic that water in a hot water pipe flows to the cold water pipe due to the fact that a traditional mechanical one-way valve structure is used due to instant pressure loss in the cold water pipe is achieved, a gas water heater can be started 'accidentally', gas can be wasted due to the situation, unnecessary troubles can be brought to the user, and the phenomenon is the 'water mixing' phenomenon of cold and hot water pipes which are often called.
With the continuous popularization of zero-cold-water heaters, quality complaints about the mistaken startup of the zero-cold-water two-pipe water-channel cold water supply are increased year by year, and the problem which needs to be solved urgently in the water heater industry is solved.
Disclosure of Invention
The utility model aims to solve at least one of the problems in the prior related art to a certain extent, and therefore the utility model provides a water way system of a gas water heater, which has a simple structure and can effectively solve the problem of water leakage caused by insufficient reverse resistance of a one-way valve, thereby avoiding the water leakage phenomenon between a hot water pipe and a cold water pipe.
The above purpose is realized by the following technical scheme:
a waterway system of a gas water heater comprises a water heater body, wherein the water heater body is respectively provided with a water inlet and a water outlet which are communicated, a circulating pump is arranged at the position between the water inlet and the water outlet, the water inlet is respectively connected with the cold water end of an external water supply and a water consumption point through a cold water pipe, the water outlet is connected with the hot water end of the water consumption point through a hot water pipe, the waterway system also comprises a switch valve device, a one-way valve and a controller, wherein the switch valve device is arranged at the position between the water inlet and the water outlet so as to ensure that the cold water pipe, the hot water pipe, the water consumption point and the water heater body form a circulating pipeline together, the one-way valve is arranged on the switch valve device and is formed into one-way conduction from the hot water pipe to the cold water pipe, and the switch valve device is electrically connected with the controller, the controller controls the switching valve device to open and close according to the current working state of the water heater so as to switch on and off the circulating pipeline.
In some embodiments, the switching valve device includes a housing and a solenoid valve, wherein a cavity is defined in the housing, the cavity has a cold water inlet, a cold water outlet, a hot water inlet and a hot water outlet that are communicated with each other, the cold water inlet is communicated with the external water supply and the water inlet through the cold water pipe, the cold water outlet is communicated with the cold water end of the water consumption point, the hot water inlet is communicated with the water outlet through the hot water pipe, the hot water outlet is communicated with the hot water end of the water consumption point, the solenoid valve is disposed in the cavity, and the solenoid valve is electrically connected to the controller and is opened or closed by opening and closing of the solenoid valve to open or close the circulation line.
In some embodiments, the switching valve device further comprises a wireless communicator, and the solenoid valve is in signal connection with the controller through the wireless communicator.
In some embodiments, the water heater further comprises a water flow sensor arranged on the water heater body to detect the current water flow.
In some embodiments, the current operating state of the water heater includes a preheating operating state, a standby state and a shower operating state, and the controller controls the switching valve device to perform an opening action to conduct the circulation pipeline when the water heater is in the preheating operating state, or controls the switching valve device to perform a closing action to block the circulation pipeline when the water heater is in the standby state or the shower operating state.
In some embodiments, the water heater further comprises a control panel, wherein the control panel is arranged on the water heater body and is electrically connected with the controller.
Compared with the prior art, the utility model at least comprises the following beneficial effects:
1. the waterway system of the gas water heater has simple structure, and can effectively solve the problem of water leakage caused by insufficient reverse resistance of the one-way valve, thereby avoiding the water leakage phenomenon between the hot water pipe and the cold water pipe.
Drawings
Fig. 1 is a schematic structural diagram of a water circuit system of a gas water heater in the embodiment of the utility model.
Detailed Description
In order to make those skilled in the art better understand the technical solutions of the present invention, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, shall fall within the scope of the claims of the present invention.
The first embodiment is as follows:
as shown in fig. 1, the embodiment provides a waterway system of a gas water heater, which comprises a water heater body 1, the water heater body 1 is respectively provided with a water inlet 11 and a water outlet 12 which are communicated, a circulating pump 2 is arranged between the water inlet 11 and the water outlet 12, the water inlet 11 is respectively connected with the cold water end of an external water supply and water consumption point 3 through a cold water pipe 13, the water outlet 12 is connected with the hot water end of the water consumption point 3 through a hot water pipe 14, the waterway system further comprises a switch valve device 4, a one-way valve 5 and a controller 6, wherein the switch valve device 4 is arranged between the water inlet 11 and the water outlet 12 so that the cold water pipe 13, the hot water pipe 14 and the water consumption point 3 form a circulating pipeline together, the one-way valve 5 is arranged on the switch valve device 4 and the one-way valve 5 is formed to be in one-way communication from the hot water pipe 14 to the cold water pipe 13, the switch valve device 4 is electrically connected with the controller 6, the controller 6 controls the opening and closing valve device 4 to open and close the circulation pipeline according to the current working state of the water heater.
In this embodiment, a connection pipe is disposed between the water inlet 11 and the water outlet 12 to connect the water inlet 11 and the water outlet 12, the circulation pump 2 is disposed on the connection pipe, the switch valve device 4 is disposed between the water inlet 11 and the water outlet 12 to enable the cold water pipe 13, the hot water pipe 14, the water consumption point 3 and the water heater body 1 to form a circulation pipeline together, the check valve 5 is disposed on the switch valve device 4 and the check valve 5 is configured to be in one-way communication from the hot water pipe 14 to the cold water pipe 13 to prevent external water from flowing directly to the hot water end of the water consumption point 3 through the cold water pipe 13, the switch valve device 4 is electrically connected to the controller 6, the controller 6 controls the switch valve device 4 to open and close the circulation pipeline according to the current working state of the water heater, so that the water stored in the circulation pipeline is pumped into the water heater body 1 again to preheat the water stored in the circulation pipeline by the water heater body 1, the user makes the on-off valve device 4 be in the closed condition always when not needing hot water to solved and opened cold water switch, flushed closestool or washing machine and carried out the during operation, the water heater can start the problem of burning, its simple structure can effectively solve the not enough water problem of cluster that leads to of reverse resistance of check valve 5, thereby has avoided taking place the water phenomenon of cluster between hot-water line 14 and the cold water line 13.
Further, the switch valve device 4 includes a housing 7 and an electromagnetic valve 8, wherein a cavity is defined in the housing 7, the cavity has a cold water inlet 71, a cold water outlet 72, a hot water inlet 73 and a hot water outlet 74 which are communicated with each other, the cold water inlet 71 is respectively communicated with an external water supply and a water inlet 11 through a cold water pipe 13, the cold water outlet 72 is communicated with a cold water end of the water consumption point 3, the hot water inlet 73 is communicated with a water outlet 12 through a hot water pipe 14, the hot water outlet 74 is communicated with a hot water end of the water consumption point 3, the electromagnetic valve 8 is disposed in the cavity, the electromagnetic valve 8 is electrically connected with the controller 6, the circulation pipeline is communicated or blocked through the opening and closing action of the electromagnetic valve 8, the structure is simple, the design is reasonable, and the circulation pipeline can be effectively communicated or blocked through the opening and closing action of the electromagnetic valve 8.
Preferably, the switch valve device 4 further comprises a wireless communicator 9, the electromagnetic valve 8 is in signal connection with the controller 6 through the wireless communicator 9, the design is reasonable and ingenious, and signal connection between the electromagnetic valve 8 and the controller 6 is facilitated.
Specifically, the water heater further comprises a water flow sensor 15, the water flow sensor 15 is arranged on the water heater body 1 to detect the current water flow, the structure is simple, and when the water flow sensor 15 monitors that the circulating flow is larger than the program set starting flow, the ignition preheating work is carried out.
Further, the current working state of the water heater comprises a standby state, a shower running state and a preheating running state, when the water heater is in the standby state or the shower running state, the controller 6 controls the switch valve device 4 to open so as to conduct the circulation pipeline, or when the water heater is in the preheating running state, the controller 6 controls the switch valve device 4 to close so as to cut off the circulation pipeline, the design is reasonable, and the phenomenon of water cross between the hot water pipe 14 and the cold water pipe 13 can be effectively avoided.
In particular, the water heater also comprises a control panel 16, the control panel 16 is arranged on the water heater body 1, and the control panel 16 is electrically connected with the controller 6, so that the structure is simple.
In this embodiment, a cavity is defined in the housing 7, the cavity has a cold water inlet 71, a cold water outlet 72, a hot water inlet 73 and a hot water outlet 74 which are communicated, the cold water inlet 71 is communicated with the external water supply and the water inlet 11 through the cold water pipe 13, respectively, the cold water outlet 72 is communicated with the cold water end of the water consumption point 3, the hot water inlet 73 is communicated with the water outlet 12 through the hot water pipe 14, the hot water outlet 74 is communicated with the hot water end of the water consumption point 3, the check valve 5 is disposed in the cavity and the check valve 5 is located at a position of the cavity close to the cold water end of the water consumption point 3, the solenoid valve 8 is disposed in the cavity and the solenoid valve 8 is located at a position of the cavity close to the hot water end of the water consumption point 3, the controller 6 controls the opening and closing action of the electromagnetic valve 8 according to the current working state of the water heater body 1 to conduct or cut off the circulating pipeline, so that the on-off of the circulating pipeline has a bidirectional cut-off function.
In this embodiment, when the water heater is in a preheating operation state, the controller 6 controls the electromagnetic valve 8 to be powered on to open so as to conduct the circulation pipeline, the circulation pump 2 is started to work so that water stored in the water heater body 1 and on the hot water pipe 14 flows back to the water heater body 1 through the cold water pipe 13, ignition operation is performed until the water flow sensor 15 monitors that the circulation flow is greater than the program startup flow so as to achieve preheating operation, in the preheating process, the controller 6 controls the electromagnetic valve 8 to be always in a conducting state so that the circulation pipeline is always in a conducting state, so that normal operation of the preheating operation of the gas water heater is ensured, after the preheating operation is completed, the controller 6 outputs a pump-off instruction to the circulation pump 2, and the electromagnetic valve 8 is turned off again so that the circulation pipeline is in a blocking state; when the water heater is in a standby state or a shower running state, the controller 6 controls the electromagnetic valve 8 to cut off the power supply to close the circulating pipeline, so that the check valve 5 is always closed when the user does not need hot water, the external water supply can be prevented from directly flowing to the hot water end of the water using point 3 through the cold water pipe 13 or the hot water of the hot water pipe 14 is prevented from flowing into the cold water pipe 13, the problem of water cross caused by insufficient reverse resistance of the existing check valve 5 is effectively solved, and the water cross phenomenon between the hot water pipe 14 and the cold water pipe 13 is avoided.
In the present embodiment, a preheating function key is provided on the control panel 16, so that the user can immediately start the preheating function or preset the time for starting the preheating function through the preheating function key. When the preheating function is started through a preheating function key of the control panel 16, the controller 6 controls the water pump to operate and transmits the water pump to the electromagnetic valve 8 through the wireless communicator 9 so as to enable the circulating pipeline to be in a conducting state, when the water flow sensing device monitors that the circulating flow is larger than the program starting flow, ignition preheating is carried out, after preheating is completed, the controller 6 outputs a pump closing instruction to the circulating pump 2, and the electromagnetic valve 8 is closed again so as to enable the circulating pipeline to be in a blocking state. In addition, a pressure boost function key for starting the pressure boost function is further disposed on the control panel 16, and of course, the preheat function key and the pressure boost function key may also be integrated into one function key.
In this embodiment, the electromagnetic valve 8 is in signal connection with the controller 6 through the wireless communicator 9, the wireless communicator 9 may adopt wireless communication elements such as RF bluetooth or WIFI, the electromagnetic valve 8 is used as a slave, and the controller 6 only needs to issue a signal for opening the electromagnetic valve 8 or closing the electromagnetic valve 8, and the electromagnetic valve can be set to monitor a signal sent by the controller 6 at an interval of 5 s. If the electromagnetic valve 8 does not receive the signal for 10 times continuously, the communication is determined to be abnormal, so that the electromagnetic valve 8 is opened to prevent the preheating function from being failed, and meanwhile, a corresponding fault prompt is displayed on the control panel 16 to remind a user of processing.
What has been described above are merely some embodiments of the present invention. It will be apparent to those skilled in the art that various changes and modifications can be made without departing from the inventive concept thereof, and these changes and modifications can be made without departing from the spirit and scope of the utility model.
Claims (6)
1. The waterway system of the gas water heater comprises a water heater body (1), wherein a water inlet (11) and a water outlet (12) which are communicated with each other are respectively formed in the water heater body (1), a circulating pump (2) is arranged between the water inlet (11) and the water outlet (12), the water inlet (11) is respectively connected with a cold water end of an external water supply and water consumption point (3) through a cold water pipe (13), the water outlet (12) is connected with a hot water end of the water consumption point (3) through a hot water pipe (14), and the waterway system is characterized by further comprising a switch valve device (4), a one-way valve (5) and a controller (6), wherein the switch valve device (4) is arranged between the water inlet (11) and the water outlet (12) so that the cold water pipe (13), the hot water pipe (14) and the water consumption point (3) are connected, The water heater comprises a water heater body (1) and a one-way valve (5), wherein the water heater body (1) forms a circulation pipeline together, the one-way valve (5) is arranged on a switch valve device (4) and is in one-way conduction from a hot water pipe (14) to a cold water pipe (13), the switch valve device (4) is electrically connected with a controller (6), and the controller (6) controls the switch valve device (4) to open and close according to the current working state of the water heater so as to open and close the circulation pipeline.
2. Waterway system of a gas water heater according to claim 1, wherein the switch valve device (4) comprises a housing (7) and a solenoid valve (8), wherein the housing (7) defines a cavity having a cold water inlet (71), a cold water outlet (72), a hot water inlet (73) and a hot water outlet (74) communicating with each other, the cold water inlet (71) communicates with the external water supply, the water inlet (11) respectively through the cold water pipe (13), the cold water outlet (72) communicates with the cold water end of the water consumption point (3), the hot water inlet (73) communicates with the water outlet (12) through the hot water pipe (14), the hot water outlet (74) communicates with the hot water end of the water consumption point (3), the solenoid valve (8) is disposed in the cavity, the solenoid valve (8) is electrically connected with the controller (6), the circulation pipeline is conducted or cut off by the opening and closing action of the electromagnetic valve (8).
3. The water circuit system of a gas water heater according to claim 2, characterized in that said switch valve means (4) further comprises a wireless communicator (9), said solenoid valve (8) being in signal connection with said controller (6) through said wireless communicator (9).
4. The waterway system of a gas water heater according to claim 1, further comprising a water flow sensor (15), wherein the water flow sensor (15) is arranged on the water heater body (1) to detect the current water flow.
5. The waterway system of the gas water heater according to claim 1, wherein the current working states of the water heater comprise a preheating running state, a standby state and a shower running state, when the water heater is in the preheating running state, the controller (6) controls the switching valve device (4) to perform an opening action to conduct the circulation pipeline, or when the water heater is in the standby state or the shower running state, the controller (6) controls the switching valve device (4) to perform a closing action to block the circulation pipeline.
6. The waterway system of the gas water heater as recited in any one of claims 1 to 5, further comprising a control panel (16), wherein the control panel (16) is disposed on the water heater body (1) and the control panel (16) is electrically connected to the controller (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121047154.8U CN216693974U (en) | 2021-05-17 | 2021-05-17 | Waterway system of gas water heater |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121047154.8U CN216693974U (en) | 2021-05-17 | 2021-05-17 | Waterway system of gas water heater |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216693974U true CN216693974U (en) | 2022-06-07 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121047154.8U Active CN216693974U (en) | 2021-05-17 | 2021-05-17 | Waterway system of gas water heater |
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|---|---|
| CN (1) | CN216693974U (en) |
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2021
- 2021-05-17 CN CN202121047154.8U patent/CN216693974U/en active Active
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