CN214172530U - Instant water heater capable of preventing water mixing - Google Patents
Instant water heater capable of preventing water mixing Download PDFInfo
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- CN214172530U CN214172530U CN202022297010.XU CN202022297010U CN214172530U CN 214172530 U CN214172530 U CN 214172530U CN 202022297010 U CN202022297010 U CN 202022297010U CN 214172530 U CN214172530 U CN 214172530U
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 318
- 238000010438 heat treatment Methods 0.000 claims abstract description 7
- 238000001514 detection method Methods 0.000 claims description 19
- 230000002265 prevention Effects 0.000 claims description 6
- 230000005611 electricity Effects 0.000 abstract 1
- 238000010586 diagram Methods 0.000 description 5
- 238000003287 bathing Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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Abstract
The utility model discloses a prevent instant heating type water heater of muddy water, include water heater body, controlling means, outside hot-water line, outside cold water pipe and prevent water admixing device, prevent that water admixing device includes mixing water valve, a water pipe and switch unit, mixing water valve has first water inlet, second water inlet and delivery port, first water inlet intercommunication outside cold water pipe, the second water inlet intercommunication outside hot-water line, delivery port intercommunication gondola water faucet, the both ends of a water pipe communicate respectively outside hot-water line with outside cold water pipe, switch unit set up in on the water pipe and the electricity is connected controlling means. The utility model discloses effectively solved no wet return problem and user and taken place "muddy water" problem when using cold water with the water spot furthest, can avoid the water heater to open because of taking place "muddy water" mistake simultaneously, it is extravagant to reduce the gas.
Description
Technical Field
The utility model relates to a water heater technical field especially relates to a prevent instant heating type water heater of muddy water.
Background
With the increasing demands of consumers on the quality of life, "zero cold water" gas water heaters are becoming more and more common. When the 'zero cold water' gas water heater is installed, two practical situations are faced: branched water pipes and unbranched water pipes.
Because there is no branch pipe, a branch with one-way valve is installed between the hot water pipe and cold water pipe of the farthest water using point, under the zero cold water mode, the water pump is actuated, the water enters the machine from the hot water pipe → one-way valve → cold water pipe of water heater. When the remote water consumption point separately opens cold water, if the one-way valve reaches the opened pressure difference, the water of the hot water pipe flows into the cold water pipe, the condition of water mixing occurs, namely the hot water comes out when cold water is used, and meanwhile, the water heater detects that the water heater is mistakenly opened due to the fact that the hot water use demand exists.
Disclosure of Invention
The utility model discloses aim at solving one of the problems that exist among the prior art to a certain extent at least, for this reason, the utility model provides a prevent instant heating type water heater who mixes water has solved the user and has taken place the pain point of "mixing water" when using cold water at the most remote water end, can avoid the water heater to open because of "mixing water" mistake simultaneously.
According to the instant heating type water heater of above-mentioned muddy water of preventing that provides, it realizes through following technical scheme:
an instant water heater capable of preventing water mixing comprises a water heater body, a control device, an external hot water pipe and an external cold water pipe, the inlet and the outlet of the water heater body are respectively communicated with the external cold water pipe and the external hot water pipe, wherein the water mixing prevention device comprises a water mixing valve, a branch water pipe and a switch unit, the water mixing valve is provided with a first water inlet, a second water inlet and a water outlet, the first water inlet is communicated with the external cold water pipe, the second water inlet is communicated with the external hot water pipe, the water outlet is communicated with the shower head, two ends of the branch water pipe are respectively communicated with the external hot water pipe and the external cold water pipe, the switch unit is arranged on the branch water pipe and electrically connected with the control device, and the control device is used for controlling the on-off state of the switch unit according to the on-off state of the water mixing valve or the shower head.
In some embodiments, the switch unit is a solenoid valve, and the solenoid valve is connected with the control device through communication.
In some embodiments, the water mixing prevention device further includes a pressure detection unit electrically connected to the control device, and the pressure detection unit is disposed on the branch water pipe or the second water inlet and is configured to detect an on-off state of the water mixing valve or the shower head.
In some embodiments, the water mixing prevention device further includes a water flow detection unit electrically connected to the control device, and the water flow detection unit is disposed on the branch water pipe or the second water inlet and is configured to detect a water flow rate of the branch water pipe or the second water inlet.
In some embodiments, the water mixing prevention device further includes a signal switch electrically connected to the control device, and the signal switch is disposed on the water mixing valve and used for detecting the on-off state of the water mixing valve.
In some embodiments, the anti-mixing device further includes a temperature detection unit electrically connected to the control device, and the temperature detection unit is disposed on the external hot water pipe and is configured to detect a real-time water temperature of the external hot water pipe.
In some embodiments, the temperature sensing unit is installed at a connection of the external hot water pipe and the branch water pipe.
In some embodiments, the water heater further comprises a circulating pump electrically connected with the control device, a cold water pipe and a hot water pipe are arranged in the water heater body, the circulating pump is arranged on the cold water pipe, and the control device is used for controlling the on-off of the circulating pump according to the magnitude relation between the detected real-time water temperature and the preset temperature.
In some embodiments, the preset temperature includes a lower limit value and an upper limit value, and the control device is configured to control the circulation pump to be turned on when the real-time water temperature is lower than the lower limit value, and is further configured to control the circulation pump to be turned off when the real-time water temperature is higher than the upper limit value.
Compared with the prior art, the utility model discloses an at least including following beneficial effect:
the utility model discloses a water heater, its controlling means can be according to the on-off state of mixing water valve or gondola water faucet, and control is located the on-off state of the switch unit on the water pipe to realize the water route break-make condition of automatic control water pipe, effectively solved no wet return problem and user and taken place "muddy water" problem when using cold water at the furthest water point, can avoid the water heater to open because of taking place "muddy water" mistake simultaneously, it is extravagant to reduce the gas.
Drawings
Fig. 1 is a schematic structural diagram of an instant water heater in embodiment 1 of the present invention, in which a switching unit is in a closed state;
fig. 2 is a schematic structural view of a water mixing device in embodiment 1 of the present invention;
fig. 3 is a connection block diagram of the control device in embodiment 1 of the present invention;
fig. 4 is a schematic structural diagram of an instant water heater in embodiment 1 of the present invention, in which a switching unit is in an open state;
fig. 5 is a connection block diagram of the control device in embodiment 2 of the present invention;
fig. 6 is a connection block diagram of the control device according to embodiment 3 of the present invention.
Detailed Description
The present invention is illustrated by the following examples, but the present invention is not limited to these examples. To the embodiment of the present invention, modify or replace some technical features, without departing from the spirit of the present invention, it should be covered in the technical solution scope of the present invention.
Example 1
Referring to fig. 1-4, the present embodiment provides a mixing-proof instantaneous water heater, which includes a water heater body 1, a control device 2, an external hot water pipe 3, an external cold water pipe 4 and a mixing-proof device 5, wherein an inlet and an outlet of the water heater body 1 are respectively communicated with the external cold water pipe 4 and the external hot water pipe 3. The anti-water-mixing device 5 comprises a water mixing valve 51, a branch water pipe 52 and a switch unit 53, wherein the water mixing valve 51 is provided with a first water inlet, a second water inlet and a water outlet, the first water inlet of the water mixing valve 51 is communicated with the external cold water pipe 4, the second water inlet of the water mixing valve 51 is communicated with the farthest water outlet end of the external hot water pipe 3, and the water outlet of the water mixing valve 51 is communicated with the shower head (namely, the farthest water using point), so that a user can adjust the water outlet temperature of the shower head to the required water using temperature through the water mixing valve 51. The two ends of the branch water pipe 52 are respectively communicated with the external hot water pipe 3 and the external cold water pipe 4, the switch unit 53 is arranged on the branch water pipe 52 and is electrically connected with the control device 2, and the switch unit 53 is used for controlling the on-off condition of the water path of the branch water pipe 52. The control device 2 is used for controlling the on-off state of the switch unit 53 according to the on-off state of the water mixing valve 51 or the shower head. Referring to fig. 1, when the water mixing valve 51 or the shower head is opened, the control device 2 automatically controls the switch unit 53 to close, so that the water path of the branch pipe 52 is automatically disconnected, and at the moment, the shower head enters a "bathing" mode, so that a user can normally bathe at the farthest water using point without generating a "water mixing" phenomenon; referring to fig. 4, when the mixing valve 51 or the shower head is closed, the automatic control switch unit 53 of the control device 2 is opened to automatically communicate the water paths of the branch water pipes 52, so that a water circulation path is provided for the water heater, the water heater can realize an instant heating function or a zero cold water function, and the water heater can output hot water instantly.
It can be seen that, the instant heating type water heater of this embodiment, controlling means 2 can be according to the on-off state of muddy water valve 51 or gondola water faucet, and the control is located the on-off state of the switch unit 53 on the water pipe 52 to realize the water route break-make condition of automatic control water pipe 52, effectively solved no wet return problem and user and taken place "muddy water" problem when using cold water at most distant water point, can avoid the water heater to open because of taking place "muddy water" mistake simultaneously, it is extravagant to reduce the gas.
In this embodiment, the electrical connection includes an electrical connection and a communication connection, wherein the communication connection includes a wireless communication connection and a wired communication connection. The switching unit 53 is preferably a solenoid valve, which is connected in communication with the control device 2.
Referring to fig. 2, further, the anti-mixing device 5 further includes a pressure detecting unit 54 electrically connected to the control device 2, wherein the pressure detecting unit 54 is disposed on the branch pipe 52 or the second water inlet and is used for detecting an opening and closing state of the mixing valve 51 or the shower head. Preferably, the pressure detecting unit 54 is a high-pressure switch or a low-pressure switch disposed on the branch pipe 52, when the mixing valve 51 or the shower head is opened, the pressure detecting unit 54 detects a high-pressure signal and sends the high-pressure signal to the control device 2, and the control device 2 can determine that the mixing valve 51 or the shower head is in an open state according to the high-pressure signal; when the mixing valve 51 or the shower head is closed, the pressure detection unit 54 detects a low-pressure signal and sends the low-pressure signal to the control device 2, and the control device 2 can determine that the mixing valve 51 or the shower head is in a closed state according to the low-pressure signal. From this, through the high pressure signal or the low pressure signal that pressure detecting element 54 detected, the on-off state of accurate discernment muddy water valve 51 or gondola water faucet, and then the controlling means 2 of being convenient for accurate control switch unit 52's on-off state has effectively been solved and has been used for appearing "muddy water" problem when using cold water at the furthest water spot.
Referring to fig. 2, further, the anti-mixing device 5 further includes a temperature detecting unit 57 electrically connected to the control device 2, and the temperature detecting unit 57 is disposed on the external hot water pipe 3 and is configured to detect a real-time water temperature of the external hot water pipe 3. Preferably, the temperature detecting unit 57 is installed at the connection position of the external hot water pipe 3 and the branch water pipe 52, so that the control device 2 can accurately identify the hot water temperature at the farthest water using end according to the real-time water temperature detected by the temperature detecting unit 57, and further identify whether the water heater needs to be started to start preheating the water temperature, so as to ensure the instant hot water effect of the water heater.
Referring to fig. 1, specifically, the water heater further comprises a circulating pump 6, a cold water pipe 11 and a hot water pipe 12 are arranged in the water heater body 1, a water inlet end of the cold water pipe 11 is communicated with an inlet of the water heater body 1, a water outlet end of the hot water pipe 12 is communicated with an outlet of the water heater body 1, the circulating pump 6 is arranged on the cold water pipe 11 and electrically connected with the control device 2, and the control device 2 is used for controlling the on and off of the circulating pump 6 according to the magnitude relation between the real-time water temperature detected by the temperature detection unit 57 and the preset temperature, so that the real-time water temperature at the joint of the external hot water pipe 3 and the branch water pipe 52 can be realized, and whether the water heater executes a circulating preheating instruction or not can be accurately controlled.
Preferably, the preset temperature comprises a lower limit value and an upper limit value, and the control device 2 is used for controlling the circulation pump 6 to be started when the real-time water temperature is lower than the lower limit value, so as to facilitate the water heater to circulate the water in the preheating pipeline; the control device 2 is also used for controlling the circulating pump 6 to be closed when the real-time water temperature is higher than the upper limit value, so as to avoid the influence on the service life of the pump caused by the long-time work of the circulating pump 6.
Example 2
Referring to fig. 5, the present embodiment is different from embodiment 1 in that a technical means for detecting an open/close state of the mixing valve 51 or the shower head is different. Specifically, in the present embodiment, the pressure detecting unit 53 is replaced by a water flow detecting unit 55, the water flow detecting unit 55 is disposed on the branch water pipe 52 or the second water inlet of the water mixing valve 51, and the water flow detecting unit 55 is electrically connected to the control device 2 for detecting the water flow of the branch water pipe 52 or the second water inlet, and other parts are the same as those in embodiment 1.
In the embodiment, the water flow detecting unit 55 is disposed on the second water inlet of the mixing valve 51. When the water mixing valve 51 or the shower head is opened, the water flow detection unit 55 detects a water flow signal and sends the water flow signal to the control device 2, and the control device 2 can determine that the water mixing valve 51 or the shower head is in an open state according to the detected water flow signal; when the water mixing valve 51 or the shower head is closed, the water flow detection unit 55 does not detect the water flow signal, and the control device 2 may determine that the water mixing valve 51 or the shower head is in the closed state.
It is thus clear that this embodiment replaces pressure detecting element 53 through adopting rivers detecting element 55, has realized the on-off state of indirect detection water mixing valve 51 or gondola water faucet, and then the controlling means 2 of being convenient for accurate control switch unit 52's on-off state has effectively solved "muddy water" problem, promotes user's water experience.
Example 3
Referring to fig. 6, the present embodiment is different from embodiment 1 in that a technical means for detecting an open/close state of the mixing valve 51 or the shower head is different. Specifically, in the present embodiment, the signal switch 56 is used to replace the pressure detecting unit 53, the signal switch 56 is a micro switch, which is disposed on the water mixing valve 51 and electrically connected to the control device 2, and is used to directly detect the open/close state of the water mixing valve 51, and other parts are the same as those in embodiment 1.
Therefore, in the embodiment, the signal switch 56 is adopted to replace the pressure detection unit 53, the control device 2 can accurately detect the on-off state of the water mixing valve 51 according to the signal on-off state of the signal switch 56, so that the control device 2 can accurately control the on-off state of the switch unit 52, the problem of water mixing is effectively solved, and the water consumption experience of a user is improved.
What has been described above are only some embodiments of the invention. For those skilled in the art, without departing from the inventive concept, several modifications and improvements can be made, which are within the scope of the invention.
Claims (9)
1. An anti-water-mixing instant heating type water heater comprises a water heater body (1), a control device (2), an external hot water pipe (3) and an external cold water pipe (4), wherein an inlet and an outlet of the water heater body (1) are respectively communicated with the external cold water pipe (4) and the external hot water pipe (3), and the anti-water-mixing type water heater is characterized by further comprising an anti-water-mixing device (5), wherein the anti-water-mixing device (5) comprises a water mixing valve (51), a branch water pipe (52) and a switch unit (53), the water mixing valve (51) is provided with a first water inlet, a second water inlet and a water outlet, the first water inlet is communicated with the external cold water pipe (4), the second water inlet is communicated with the external hot water pipe (3), the water outlet is communicated with a shower head, two ends of the branch water pipe (52) are respectively communicated with the external hot water pipe (3) and, the switch unit (53) is arranged on the branch water pipe (52) and electrically connected with the control device (2), and the control device (2) is used for controlling the on-off state of the switch unit (53) according to the on-off state of the water mixing valve (51) or the shower head.
2. The mixing-proof instantaneous water heater according to claim 1, characterized in that the switching unit (53) is a solenoid valve, and the solenoid valve is connected with the control device (2) through communication.
3. The tankless water heater that prevents mixing water according to claim 1, characterized in that the mixing water prevention device (5) further comprises a pressure detection unit (54) electrically connected to the control device (2), wherein the pressure detection unit (54) is disposed on the branch pipe (52) or the second water inlet, and is configured to detect an on-off state of the mixing valve (51) or the shower head.
4. The tankless water heater that prevents mixing of water according to claim 1, characterized in that said anti-mixing device (5) further comprises a water flow detection unit (55) electrically connected to said control device (2), said water flow detection unit (55) being disposed on said branch water pipe (52) or said second water inlet for detecting the water flow of said branch water pipe (52) or said second water inlet.
5. The tankless water heater that prevents mixing water according to claim 1, characterized in that said mixing water prevention device (5) further comprises a signal switch (56) electrically connected to said control device (2), said signal switch (56) being disposed on said mixing valve (51) for detecting the on-off state of said mixing valve (51).
6. The tankless water heater of any of claims 1 to 5, characterized in that said anti-mixing device (5) further comprises a temperature detection unit (57) electrically connected to said control device (2), said temperature detection unit (57) being disposed on said external hot water pipe (3) for detecting the real-time water temperature of said external hot water pipe (3).
7. The tankless water heater that prevents mixing of water according to claim 6, characterized in that said temperature detection unit (57) is mounted at the junction of said external hot water pipe (3) and said branch water pipe (52).
8. The instantaneous water heater capable of preventing water mixing according to claim 6, further comprising a circulating pump (6) electrically connected to the control device (2), wherein a cold water pipe (11) and a hot water pipe (12) are arranged in the water heater body (1), the circulating pump (6) is arranged on the cold water pipe (11), and the control device (2) is configured to control the on/off of the circulating pump (6) according to the magnitude relation between the detected real-time water temperature and the preset temperature.
9. The tankless water heater that prevents mixing water according to claim 8, characterized in that said preset temperature comprises a lower limit value and an upper limit value, and said control device (2) is configured to control said circulation pump (6) to be turned on when the real-time water temperature is lower than the lower limit value, and further configured to control said circulation pump (6) to be turned off when the real-time water temperature is higher than the upper limit value.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022297010.XU CN214172530U (en) | 2020-10-15 | 2020-10-15 | Instant water heater capable of preventing water mixing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022297010.XU CN214172530U (en) | 2020-10-15 | 2020-10-15 | Instant water heater capable of preventing water mixing |
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| Publication Number | Publication Date |
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| CN214172530U true CN214172530U (en) | 2021-09-10 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202022297010.XU Active CN214172530U (en) | 2020-10-15 | 2020-10-15 | Instant water heater capable of preventing water mixing |
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| CN (1) | CN214172530U (en) |
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- 2020-10-15 CN CN202022297010.XU patent/CN214172530U/en active Active
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