CN112880198A - Water heater - Google Patents
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- CN112880198A CN112880198A CN201911206439.9A CN201911206439A CN112880198A CN 112880198 A CN112880198 A CN 112880198A CN 201911206439 A CN201911206439 A CN 201911206439A CN 112880198 A CN112880198 A CN 112880198A
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
- F24H9/00—Details
- F24H9/12—Arrangements for connecting heaters to circulation pipes
- F24H9/13—Arrangements for connecting heaters to circulation pipes for water heaters
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
- F24H9/00—Details
- F24H9/20—Arrangement or mounting of control or safety devices
- F24H9/2007—Arrangement or mounting of control or safety devices for water heaters
Abstract
The present invention provides a water heater, comprising: the tail end of the water outlet pipe is connected with a first water dividing pipe and a second water dividing pipe; the water supply valve group is configured to open the first water distribution pipe and close the second water distribution pipe under the condition that the water heater operates in the first water outlet mode; the functional liquid input device is configured to be started under the condition that the water heater operates in the first water outlet mode so as to convey the bath liquid to the water outlet pipe, and the hot water output by the first water distribution pipe is mixed into the bath liquid; and the flow counting device is used for counting the usage amount of the bath lotion, and when the usage amount of the bath lotion is greater than or equal to the preset usage amount, the water heater enters a second water outlet mode, the functional liquid input device is closed, the water supply valve group closes the first water distribution pipe, and the second water distribution pipe is opened. The water heater can effectively avoid the waste or excessive use of the bath lotion while ensuring that a user enjoys the healthy bath function.
Description
Technical Field
The invention relates to the technical field of water heaters, in particular to a water heater.
Background
The water heater is an indispensable household appliance for every family at present, but the current water heater can meet the basic requirement of people for hot water bathing, but cannot meet the increasing requirement of people for healthy bathing. Some current water heaters that adopt the dipping chamber, the dipping liquid can be full of whole water route, and when bathing, the kitchen is washed dish and is washed hand etc. and use the water spot and also can be occupied by the dipping liquid, leads to other water outlet points can not use simultaneously when bathing. In addition, the mode can make the bath lotion follow the rivers of water heater water inlet and flow through the heat exchanger, and some material of bath lotion can adhere or deposit at the heat exchanger inner wall, produces the influence to the heat exchange efficiency. And, the problem that the heat exchange efficiency becomes low also exists the processing degree of difficulty in the inside scale deposit of present water heater.
Disclosure of Invention
An object of the present invention is to provide a water heater having a healthy bathing function and capable of effectively preventing a waste of a bath lotion.
A further object of the present invention is to enable a water heater to achieve a self-descaling function as well as a zero cold water function.
In particular, the present invention provides a water heater comprising: the tail end of the water outlet pipe is connected with a first water dividing pipe and a second water dividing pipe; the water supply valve group is configured to open the first water distribution pipe and close the second water distribution pipe under the condition that the water heater operates in the first water outlet mode; the functional liquid input device is configured to be started under the condition that the water heater operates in the first water outlet mode so as to convey the bath liquid to the water outlet pipe, and the hot water output by the first water distribution pipe is mixed into the bath liquid; and the flow counting device is used for counting the usage amount of the bath lotion, and when the usage amount of the bath lotion is greater than or equal to the preset usage amount, the water heater enters a second water outlet mode, the functional liquid input device is closed, the water supply valve group closes the first water distribution pipe, and the second water distribution pipe is opened.
Optionally, the flow statistics apparatus is further configured to: acquiring multiple sections of running time of the water heater when the water heater runs in a first water outlet mode and the volume flow of the bath lotion in each section of running time; and calculating the product of each operating time and the corresponding volume flow of the bath liquid, and summing the obtained products to obtain the usage amount of the bath liquid.
Optionally, the functional liquid input device comprises: the functional liquid input tube is used for being externally connected with a functional liquid storage bottle; and the peristaltic pump is arranged on the functional liquid input pipe and is configured to pump the bath liquid in the functional liquid storage bottle.
Optionally, the first water dividing pipe is used for connecting a bathing water outlet device; the second water distribution pipe is used for connecting hot water using equipment, and the hot water using equipment comprises bathing water outlet equipment.
Optionally, the water supply valve block comprises: a first electromagnetic valve arranged on the first water dividing pipe and configured to open and close the first water dividing pipe; and a second electromagnetic valve arranged on the second water dividing pipe and configured to open and close the second water dividing pipe.
Optionally, the water heater further comprises: the water inlet pipe is used for supplying water to the water heater; the wet return is connected between inlet tube and outlet pipe, and the water supply valves still includes: the third electromagnetic valve is arranged on the water inlet pipe; and the fourth electromagnetic valve is arranged on the water return pipe, and the third electromagnetic valve is opened and the fourth electromagnetic valve is closed under the condition that the water heater operates in the first water outlet mode or the second water outlet mode.
Optionally, in a case that the water heater operates in the third water outlet mode, the fourth electromagnetic valve is opened, the first electromagnetic valve, the second electromagnetic valve and the third electromagnetic valve are closed, and a circulation pump is further disposed on the water inlet pipe and configured to be opened in the case that the water heater operates in the third water outlet mode so as to circulate water inside the water heater.
Optionally, the functional liquid input device is further configured to: and the water heater is started under the condition that the water heater operates in the third water outlet mode so as to convey descaling liquid to the water outlet pipe, and the water mixed with the descaling liquid circularly flows in the water heater through the water return pipe.
Optionally, the water heater further comprises: and the time length recording device is configured to record the time length of the water heater running in the third water outlet mode, and the water heater is made to run in the second water outlet mode after the time length is more than or equal to the preset time length.
Optionally, under the condition that the water heater operates in the fourth water outlet mode, judging whether the water outlet temperature of the water heater is less than or equal to a first preset temperature, and if so, closing the third electromagnetic valve, opening the first electromagnetic valve, the second electromagnetic valve and the fourth electromagnetic valve, and opening the circulating pump to pump cold water in the water outlet pipe and the water return pipe back to a heat exchanger of the water heater for heating; and when the return water temperature is greater than or equal to a second preset temperature, the circulating pump is closed, so that the water heater operates in a second water outlet mode, wherein the first preset temperature is less than the second preset temperature.
According to the water heater, under the condition that the water heater operates in the first water outlet mode, the first water distribution pipe is opened, the second water distribution pipe is closed, the functional liquid input device is opened to convey bath liquid to the water outlet pipe, so that hot water output by the first water distribution pipe is mixed with the bath liquid, and a user can enjoy a healthy bath function; and counting the usage amount of the bath lotion, and when the usage amount of the bath lotion is greater than or equal to the preset usage amount, enabling the water heater to enter a second water outlet mode, closing the functional liquid input device, closing the first water distribution pipe and opening the second water distribution pipe, so that the waste or excessive usage of the bath lotion is avoided. And moreover, the bath lotion is directly sent to the water outlet pipe, cannot flow through the heat exchanger of the water heater, and avoids influencing the heat exchange efficiency of the heat exchanger.
Furthermore, the functional liquid input device is opened under the condition of running in the third water outlet mode so as to convey descaling liquid to the water outlet pipe, so that the water mixed with the descaling liquid circularly flows in the water heater through the water return pipe; and the time length recording device is configured to record the time length of the water heater running in the third water outlet mode, and the water heater is made to run in the second water outlet mode after the time length is more than or equal to the preset time length. The water heater can realize the function of automatically descaling, the descaling process is simple and quick, and the heat exchange efficiency of the heat exchanger can be effectively improved after descaling. Under the condition that the water heater operates in the fourth water outlet mode, whether the water outlet temperature of the water heater is smaller than or equal to a first preset temperature or not is judged, and when the result is yes, the third electromagnetic valve is closed, the first electromagnetic valve, the second electromagnetic valve and the fourth electromagnetic valve are opened, the circulating pump is opened, cold water in the water outlet pipe and the water return pipe is pumped back to a heat exchanger of the water heater for heating, the water heater can realize a zero-cold-water function, the water outlet temperature meets the use requirements of users, and the use experience of the users is improved.
The above and other objects, advantages and features of the present invention will become more apparent to those skilled in the art from the following detailed description of specific embodiments thereof, taken in conjunction with the accompanying drawings.
Drawings
Some specific embodiments of the invention will be described in detail hereinafter, by way of illustration and not limitation, with reference to the accompanying drawings. The same reference numbers in the drawings identify the same or similar elements or components. Those skilled in the art will appreciate that the drawings are not necessarily drawn to scale. In the drawings:
FIG. 1 is a schematic block diagram of a water heater according to one embodiment of the present invention;
FIG. 2 is a schematic illustration of a water circuit of a water heater operating in a first water outlet mode according to one embodiment of the present invention;
FIG. 3 is a schematic illustration of a water circuit of a water heater operating in a second water outlet mode according to one embodiment of the present invention;
FIG. 4 is a schematic illustration of a water circuit of a water heater operating in a third water outlet mode according to one embodiment of the present invention; and
FIG. 5 is a schematic illustration of a water circuit of a water heater operating in a fourth water outlet mode according to one embodiment of the present invention.
Detailed Description
The invention provides a water heater which can effectively avoid waste or excessive use of bath lotion while ensuring that a user enjoys a healthy bathing function. Fig. 1 is a schematic structural diagram of a water heater 100 according to an embodiment of the present invention, fig. 2 is a schematic water circuit diagram of the water heater 100 according to an embodiment of the present invention operating in a first water outlet mode, and fig. 3 is a schematic water circuit diagram of the water heater 100 according to an embodiment of the present invention operating in a second water outlet mode. As shown in fig. 1 to 3, the water heater 100 of the present embodiment may generally include: a water outlet pipe 110, a water supply valve set, a functional liquid input device and a flow rate statistic device (not shown in the figure).
Wherein, the end of the water outlet pipe 110 is connected with a first water dividing pipe 111 and a second water dividing pipe 112. As shown in fig. 2 and 3, the first water dividing pipe 111 is used for connecting a bathing water outlet device 210; the second water distribution pipe 112 is used for connecting a hot water using device, which comprises a bathing water outlet device 210. The hot water usage device may also include other water output devices, such as a rinse water output device 220. Specifically, the bath outlet 210 may be a shower head, and the wash outlet 220 may be a kitchen sink or a toilet sink.
The water supply valve set may be configured to open the first water distribution pipe 111 and close the second water distribution pipe 112 when the water heater 100 operates in the first water outlet mode. In a particular embodiment, the water supply valve block may comprise: a first solenoid valve 121 and a second solenoid valve 122. The first solenoid valve 121 is disposed on the first water distribution pipe 111 and configured to open and close the first water distribution pipe 111. The second solenoid valve 122 is provided on the second water distribution pipe 112 and is arranged to open and close the second water distribution pipe 112. That is, when the first electromagnetic valve 121 is opened, the first water diversion pipe 111 is opened; when the first electromagnetic valve 121 is closed, the first water distribution pipe 111 is closed. When the second electromagnetic valve 122 is opened, the second water diversion pipe 112 is opened; when the second solenoid valve 122 is closed, the second water distribution pipe 112 is closed.
The functional liquid input device may be configured to be turned on when the water heater 100 operates in the first water outlet mode to deliver the bath liquid to the water outlet pipe 110, so that the hot water output from the first water distribution pipe 111 is mixed into the bath liquid. As shown in fig. 1 to 3, the functional liquid input device may include: a functional liquid input tube 131 and a peristaltic pump 132. Wherein, the functional liquid input tube 131 is used for externally connecting the functional liquid storage bottle 134. A peristaltic pump 132 is disposed on the functional liquid input tube 131 and is configured to pump the bath liquid in the functional liquid storage bottle 134. The peristaltic pump 132 may be a micro peristaltic pump 132 that is small and takes up no space.
The functional fluid input means is essentially turned on, which is essentially the peristaltic pump 132 that is turned on to begin pumping the bath solution. In the case that the water heater 100 operates in the first water outlet mode, the first water distribution pipe 111 is turned on, and the second water distribution pipe 112 is turned off. Since the first water dividing pipe 111 is used for connecting the bathing water outlet device 210, the hot water mixed with the bathing liquid only flows to the bathing water outlet device 210 through the first water dividing pipe 111, but does not flow to the washing water outlet device 220, so as to prevent the bathing liquid from polluting the dishes or the water for washing hands.
In a preferred embodiment, the functional liquid input tube 131 may be a silicone hose, the water outlet tube 110 may be welded with a thin copper tube 113, and the thin copper tube 113 is connected to the functional liquid input tube 131. The opening of the thin copper tube may be provided with threads to increase the tightness of the connection with the functional liquid inlet tube 131. Copper tubing 113 may be provided with a one-way valve 133 configured to allow bodywash to flow to first water manifold 111. The check valve 133 functions to prevent the reverse flow of the bath solution. The whole working flow of the functional liquid input device is simple, the functional liquid input device is not easy to break down, and only the functional liquid input tube 131 needs to be replaced under the condition of breaking down, so that the maintenance process is simple and easy.
The flow rate statistic device is used for counting the usage amount of the bath lotion, and when the usage amount of the bath lotion is greater than or equal to the preset usage amount, the water heater 100 enters a second water outlet mode, the functional liquid input device is closed, the water supply valve group closes the first water distribution pipe 111, and the second water distribution pipe 112 is opened. The usage amount of the bath lotion is larger than or equal to the preset usage amount, the maximum usage amount of the bath lotion can be considered to be reached, the functional liquid input device is closed, the peristaltic pump 132 stops pumping the bath lotion, and waste caused by excessive use of the bath lotion is effectively avoided.
In a preferred embodiment, the flow statistics apparatus may be further configured to: acquiring multiple sections of running time of the water heater 100 in the first water outlet mode and the volume flow of the bath lotion in each section of running time; and calculating the product of each operating time and the corresponding volume flow of the bath liquid, and summing the obtained products to obtain the usage amount of the bath liquid. For example, the plurality of operation times of the water heater 100 in the first water outlet mode are t1、t2、t3The volume flow of the bath solution during each operating period is y1、y2、y3When the amount of the bath lotion is Y, Y is equal to Y1*t1+y2*t2+y3*t3. Furthermore, the volume flow of the bath liquid in each period of operation time can be obtained according to the volume flow of the outlet water obtained by the water flow rate sensor. Specifically, y is ax, where y is the volume flow of the bodywash, a is the preset bodywash concentration, and x is the volume flow of the effluent. The user may preset a predetermined bath fluid concentration a through the display screen of the water heater 100, and in a specific embodiment, a may be set to 5% to 20%.
As shown in fig. 1 to 3, the water heater 100 may further include: a water inlet pipe 140 and a water return pipe 150. Wherein the water inlet pipe 140 is used to supply water to the water heater 100. The return pipe 150 is connected between the inlet pipe 140 and the outlet pipe 110. And, the water supply valve block may further include: a third solenoid valve 123 and a fourth solenoid valve 124, wherein the third solenoid valve 123 is disposed on the water inlet pipe 140, and the fourth solenoid valve 124 is disposed on the water return pipe 150. When the water heater 100 operates in the first water outlet mode or the second water outlet mode, the third solenoid valve 123 is opened, and the fourth solenoid valve 124 is closed.
The first water discharge mode may be considered as a healthy bathing mode in which the user can enjoy hot water mixed with the bath liquid while taking a bath. The second water outlet mode may be considered a normal mode, a normal state in which the water heater 100 is operated by the user without the need for bathing or the like. The operation mode of the water heater 100 can be displayed on the display screen of the water heater 100, so that the user can know and timely switch the required operation mode.
Fig. 2 and 3 are schematic water paths of the water heater 100 operating in a first water outlet mode and a second water outlet mode, respectively, wherein arrows show specific flow directions of water flows. As shown in fig. 2, when the water heater 100 operates in the first water outlet mode, the first solenoid valve 121 and the third solenoid valve 123 are opened, the second solenoid valve 122 and the fourth solenoid valve 124 are closed, external cold water enters the heat exchanger 163 of the water heater 100 through the water inlet pipe 140 for heating, and the heated hot water flows through the water outlet pipe 110 and is then delivered to the bathing water outlet device 210 through the first water distribution pipe 111. As shown in fig. 3, when the water heater 100 operates in the second water outlet mode, the second solenoid valve 122 and the third solenoid valve 123 are opened, the first solenoid valve 121 and the fourth solenoid valve 124 are closed, external cold water enters the heat exchanger 163 of the water heater 100 through the water inlet pipe 140 for heating, and the heated hot water flows through the water outlet pipe 110 and is then delivered to the bathing outlet 210 and the washing outlet 220 through the second water distribution pipe 112.
In the case of the water heater 100 of the present embodiment operating in the first water outlet mode, the first water dividing pipe 111 is opened, the second water dividing pipe 112 is closed, and the functional liquid input device is opened to deliver the bath liquid to the water outlet pipe 110, so that the hot water output by the first water dividing pipe 111 is mixed with the bath liquid, and the user can enjoy the healthy bath function; and counting the usage amount of the bath lotion, and when the usage amount of the bath lotion is greater than or equal to the preset usage amount, enabling the water heater 100 to enter a second water outlet mode, closing the functional liquid input device, closing the first water dividing pipe 111, and opening the second water dividing pipe 112, so that the waste or excessive usage of the bath lotion is avoided. Moreover, the bath liquid is directly sent to the water outlet pipe 110, and does not flow through the heat exchanger 163 of the water heater 100, so that the heat exchange efficiency of the heat exchanger 163 is prevented from being influenced.
In a specific embodiment, the water heater 100 may be a gas water heater, and as shown in fig. 1, when the water heater 100 is a gas water heater, the method may further include: a smoke collecting hood 162, a combustion chamber 164, a gas proportional valve 165 and a fan 166. Wherein, the smoke collecting cover 162 can be used for collecting the smoke, and the smoke collecting cover 162 can be set long and surrounded by the water inlet pipe 140, so that the cold water can be preheated by the heat of the smoke. The combustion chamber 164 belongs to a high temperature working area, and the sealing cover gasket of the combustion chamber needs to adopt a high temperature resistant material, such as aluminum silicate fiber felt or glass floss. The gas proportional valve 165 is used for adjusting the ratio of gas to air, and the gas proportional valve 165 is adjusted to enable the gas to be fully combusted, so that energy is saved, and the environment is protected. The fan 166 can adjust the combustion process to make the gas quantity and the air quantity form the best ratio, thereby further reducing the energy waste.
Fig. 4 is a schematic diagram of a water circuit of the water heater 100 operating in a third water outlet mode according to an embodiment of the invention. In the case that the water heater 100 operates in the third water outlet mode, the fourth solenoid valve 124 is opened, the first solenoid valve 121, the second solenoid valve 122 and the third solenoid valve 123 are closed, and the water inlet pipe 140 is further provided with a circulation pump 161 configured to be opened to circulate water inside the water heater 100 in the case that the water heater 100 operates in the third water outlet mode.
Also, the functional liquid input device may be configured to: when the water heater 100 operates in the third water outlet mode, the water heater is turned on to deliver the descaling fluid to the water outlet pipe 110, so that the water mixed with the descaling fluid circulates inside the water heater 100 through the water return pipe 150. The water heater 100 may further include: and the time length recording device is configured to record the time length of the water heater 100 in the third water outlet mode, and enable the water heater 100 to operate in the second water outlet mode after the time length is greater than or equal to the preset time length.
It should be noted that the third water outlet mode can be regarded as a self-descaling mode, in which the water mixed with the descaling fluid circulates inside the water heater 100, and the water heater 100 can realize self-descaling. The time period of the water heater 100 operating in the third water outlet mode can also be regarded as the descaling time period, and the second water outlet mode is automatically entered after the descaling time period reaches the preset time period, that is, the normal mode is automatically switched. And, after the descaling duration reaches the preset duration, a prompt message can be output, for example, a prompt tone is given to remind the user that descaling is completed. After descaling, the mode is switched to the second water outlet mode, and dirty water with dirt can be conveyed to the bathing water outlet device 210 and/or the washing water outlet device 220 through the second water distribution pipe 112 to be discharged.
In addition, a subarea can be arranged inside the functional liquid storage bottle 134 externally connected with the functional liquid input pipe 131, and simultaneously, the bath liquid and the descaling liquid are stored, and when the water heater 100 operates in the first water outlet mode, the peristaltic pump 132 pumps the bath liquid; when the water heater 100 is operating in the third effluent mode, the peristaltic pump 132 pumps the descaling fluid. In another embodiment, since the functional liquid storage bottle 134 is externally connected to the functional liquid input tube 131, it is very convenient to detach, and a user can replace the functional liquid storage bottle 134 containing different functional liquids according to different requirements. For example, when healthy bathing is required, the functional liquid storage bottle 134 containing the bathing liquid can be connected with the functional liquid input pipe 131; when the descaling is required, the functional liquid storage bottle 134 containing descaling liquid can be connected with the functional liquid input pipe 131.
FIG. 5 is a schematic illustration of a water circuit of the water heater 100 operating in a fourth water outlet mode according to an embodiment of the present invention. Under the condition that the water heater 100 operates in the fourth water outlet mode, judging whether the water outlet temperature of the water heater 100 is less than or equal to a first preset temperature, and if so, closing the third electromagnetic valve 123, opening the first electromagnetic valve 121, the second electromagnetic valve 122 and the fourth electromagnetic valve 124, and opening the circulating pump 161 to pump the cold water in the water outlet pipe 110 and the water return pipe 150 back to the heat exchanger 163 of the water heater 100 for heating; and when the return water temperature is greater than or equal to a second preset temperature, the circulation pump 161 is turned off, so that the water heater 100 operates in a second water outlet mode, wherein the first preset temperature is less than the second preset temperature.
It should be noted that the fourth water outlet mode may be considered as a zero cold water mode, in which if it is detected that the water outlet temperature of the water heater 100 is less than or equal to the first preset temperature, the third electromagnetic valve 123 is closed, the first electromagnetic valve 121, the second electromagnetic valve 122, and the fourth electromagnetic valve 124 are opened, and the circulation pump 161 is opened, so as to draw the cold water in the water outlet pipe 110 and the water return pipe 150 back to the heat exchanger 163 of the water heater 100 for heating until the water return temperature is greater than or equal to the second preset temperature. When the water heater 100 operates in the fourth water outlet mode, the first solenoid valve 121 and the second solenoid valve 122 are also in an open state, that is, the cold water in the first water dividing pipe 111 and the second water dividing pipe 112 may also be pumped back to the water returning pipe 150 and then pumped back to the heat exchanger 163 for heating.
The water heater 100 of the embodiment can realize the self-descaling function, the descaling process is simple and quick, and the heat exchange efficiency of the heat exchanger 163 can be effectively improved after descaling; the zero-cold water function can be realized, so that the outlet water temperature meets the use requirements of users, and the use experience of the users is improved.
Thus, it should be appreciated by those skilled in the art that while a number of exemplary embodiments of the invention have been illustrated and described in detail herein, many other variations or modifications consistent with the principles of the invention may be directly determined or derived from the disclosure of the present invention without departing from the spirit and scope of the invention. Accordingly, the scope of the invention should be understood and interpreted to cover all such other variations or modifications.
Claims (10)
1. A water heater, comprising:
the tail end of the water outlet pipe is connected with a first water dividing pipe and a second water dividing pipe;
the water supply valve group is configured to open the first water distribution pipe and close the second water distribution pipe under the condition that the water heater operates in a first water outlet mode;
the functional liquid input device is configured to be started under the condition that the water heater operates in a first water outlet mode so as to convey the bath liquid to the water outlet pipe, and the hot water output by the first water distribution pipe is mixed into the bath liquid; and
a flow rate statistic device for counting the usage amount of the bath liquid, and
and when the usage amount of the bath lotion is larger than or equal to the preset usage amount, the water heater enters a second water outlet mode, the functional liquid input device is closed, the water supply valve group closes the first water distribution pipe, and the second water distribution pipe is opened.
2. The water heater of claim 1, wherein the flow statistics device is further configured to:
acquiring multiple sections of running time of the water heater when the water heater runs in the first water outlet mode and the volume flow of the bath liquid in each section of the running time; and
and calculating the product of each section of the running time and the corresponding volume flow of the bath liquid, and summing the obtained products to obtain the usage amount of the bath liquid.
3. The water heater as recited in claim 1, wherein the functional liquid input device comprises:
the functional liquid input tube is used for being externally connected with a functional liquid storage bottle; and
and the peristaltic pump is arranged on the functional liquid input pipe and is configured to pump the bath liquid in the functional liquid storage bottle.
4. The water heater of claim 1,
the first water dividing pipe is used for connecting bathing water outlet equipment;
the second water distribution pipe is used for being connected with hot water using equipment, and the hot water using equipment comprises the bathing water outlet equipment.
5. The water heater of claim 1, wherein the water supply valve block comprises:
a first electromagnetic valve disposed on the first water distribution pipe and configured to open and close the first water distribution pipe;
and a second solenoid valve provided in the second water distribution pipe and configured to open and close the second water distribution pipe.
6. The water heater of claim 5, further comprising:
the water inlet pipe is used for supplying water to the water heater;
a water return pipe connected between the water inlet pipe and the water outlet pipe and
the water supply valve group further comprises: the third electromagnetic valve is arranged on the water inlet pipe; and a fourth electromagnetic valve arranged on the water return pipe,
and under the condition that the water heater operates in the first water outlet mode or the second water outlet mode, opening the third electromagnetic valve and closing the fourth electromagnetic valve.
7. The water heater of claim 6,
under the condition that the water heater operates in a third water outlet mode, the fourth electromagnetic valve is opened, and the first electromagnetic valve, the second electromagnetic valve and the third electromagnetic valve are closed, and
the water inlet pipe is also provided with a circulating pump which is configured to be opened under the condition that the water heater operates in the third water outlet mode so as to enable water in the water heater to flow circularly.
8. The water heater of claim 7, wherein the functional liquid input device is further configured to:
and the water heater is started under the condition that the water heater operates in the third water outlet mode to convey descaling liquid to the water outlet pipe, so that the water mixed with the descaling liquid circularly flows in the water heater through the water return pipe.
9. The water heater of claim 8, further comprising:
and the time length recording device is configured to record the time length of the water heater running in the third water outlet mode, and the water heater is made to run in the second water outlet mode after the time length is greater than or equal to a preset time length.
10. The water heater of claim 7,
under the condition that the water heater operates in a fourth water outlet mode, judging whether the water outlet temperature of the water heater is less than or equal to a first preset temperature, if so, closing the third electromagnetic valve, opening the first electromagnetic valve, the second electromagnetic valve and the fourth electromagnetic valve, and opening the circulating pump so as to pump the cold water in the water outlet pipe and the water return pipe back to a heat exchanger of the water heater for heating; and is
And when the return water temperature is greater than or equal to a second preset temperature, closing the circulating pump to enable the water heater to operate in the second water outlet mode, wherein the first preset temperature is less than the second preset temperature.
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| CN201911206439.9A CN112880198A (en) | 2019-11-29 | 2019-11-29 | Water heater |
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|---|---|---|---|
| CN201911206439.9A CN112880198A (en) | 2019-11-29 | 2019-11-29 | Water heater |
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