CN115095983A - water heater - Google Patents

Abstract

The invention discloses a water heater, which comprises a heating device, a softening and regenerating device and a first pipeline, wherein the heating device is provided with a first water inlet and a first water outlet, the softening and regenerating device is provided with a second water inlet and a second water outlet, one end of the first pipeline is communicated with the first water outlet, the other end of the first pipeline is communicated with the second water inlet, and the softening and regenerating device is used for softening initial water passing through the heating device into softened water. According to the water heater disclosed by the invention, the softening and regenerating device is arranged at the rear part, so that the brine used by the softening and regenerating device during regeneration can not enter the heating device, the condition that the brine accelerates the corrosion of the heating device is avoided, and the service life of the water heater is prolonged.

Description

water heater

technical field

The invention relates to the field of household appliances, in particular to a water heater.

Background technique

The water source of the water heater is generally hard water with high hardness. Hard water contains high concentrations of metal ions such as calcium and magnesium. Hard water and soap or other detergents can form insoluble precipitates, which will reduce the effect of bath cleaning and cause Dry, rough, and even itchy skin.

In order to solve this problem, some water heaters appear on the market, and a softening and regeneration device is added at the front end of the heating device. Although this setting method can soften the hard water, the salt water in the softening stage will enter the heating device, which will accelerate the corrosion of the heating device and affect the use of the water heater. life.

SUMMARY OF THE INVENTION

In view of this, the present invention discloses a water heater.

The water heater proposed by the present invention includes a heating device, a softening and regenerating device, a first pipeline, a second pipeline and a control valve assembly. The heating device has a first water inlet and a first water outlet, and the softening and regeneration device has a second water inlet and The second water outlet, one end of the first pipeline is connected to the first water outlet, and the other end is connected to the second water inlet, and the softening and regeneration device is used for softening the initial water passing through the heating device into softened water.

In the water heater proposed by the present invention, the initial water passing through the heating device is softened by setting the softening and regeneration device, and the user can use the softened water for bathing, thereby improving the user experience. Moreover, by setting the softening and regeneration device behind, the brine used in the regeneration of the softening and regeneration device will not enter the heating device, avoiding the situation that the brine accelerates the corrosion of the heating device, and prolonging the service life of the water heater.

As an improvement, the water heater further includes a second pipeline and a control valve assembly, one end of the second pipeline is connected to the first water outlet, and the other end is connected to the second water outlet; the control valve assembly is connected to the The softening regeneration device is connected with the second pipeline; the control valve assembly is used to control the water supply ratio between the softening regeneration device and the second pipeline.

In the water heater proposed by the present invention, by setting the second pipeline and the control valve assembly, the user can choose different water hardness and water outlet mode for bathing and other purposes according to personal preference, and the user experience is good.

As an improvement, the control valve assembly includes a first control valve and a second control valve, the first control valve communicates with the second water inlet or the second water outlet, and the first control valve is used for To control the water supply ratio of the softening and regeneration device, a second control valve is communicated with the second pipeline, and the second control valve is used to control the water supply ratio of the second pipeline.

As an improvement, at least one of the first control valve and the second control valve is a regulating valve.

In the water heater proposed by the present invention, by setting at least one of the first control valve and the second control valve as a regulating valve, the initial water and the softened water can be mixed in a preset ratio, and the user can use the preset water quality according to personal preference Hard water mixed with hot water.

As an improvement, one end of the second pipeline is connected to the first pipeline, and the second pipeline communicates with the first water outlet through the first pipeline.

As an improvement, the water heater further includes a mixing device, the first pipeline and the second pipeline have a connection point, the mixing device is arranged between the first water outlet and the connection point, so The mixing device has a first inlet, a second inlet and a mixed water outlet, the mixed water outlet is communicated with the second water inlet, the first inlet is communicated with the first water outlet, and the second inlet is used for For inputting cold initial water, the mixing device is used to adjust the water temperature of the initial water entering the softening and regeneration device.

In the water heater proposed by the present invention, by setting the mixing device to adjust the temperature of the water entering the softening and regeneration device, it can avoid that the initial water temperature from the heating device is too high to damage the materials inside the softening and regeneration device, and prolong the service life of the softening and regeneration device.

As an improvement, the water heater further includes a water inlet pipe, the water inlet pipe includes a third water inlet and two third water outlets, wherein one of the third water outlets is connected to the first water inlet, and the other of the third water outlets is connected to the first water inlet. The water port communicates with the second inlet.

In the water heater proposed by the present invention, by setting the water inlet pipe to include a third water inlet and two third water outlets, the pipeline connection can be simplified, the space occupied by the components can be saved, and the size of the water heater can be reduced.

As an improvement, the water heater further includes a first water inlet pipe and a second water inlet pipe, the first water inlet pipe is connected to the first water inlet and the second water inlet pipe is connected to the second inlet.

The water heater proposed by the present invention is provided with two water inlet pipes, the heating device and the mixing device independently supply water, and the water supply is stable.

As an improvement, the control valve assembly includes a mixing valve, and both the second pipeline and the second water outlet communicate with the mixing valve.

As an improvement, the water heater further includes a purification device, communicated with the first water inlet, for purifying impurities and/or residual chlorine and/or calcium and magnesium ions and/or germs in the initial water entering the heating device.

The water heater proposed by the present invention can effectively avoid at least one of the problems of scaling of the heating device, accelerated corrosion of the heating device and bacteria contained in the initial water by adding a purification device at the water inlet pipe, and the purification device can purify the initial water.

Description of drawings

In order to explain the technical solutions of the embodiments of the present invention more clearly, the following briefly introduces the accompanying drawings used in the description of the embodiments. Obviously, the drawings in the following description are some embodiments of the present invention, which are of great significance to the art For those of ordinary skill, other drawings can also be obtained from these drawings without any creative effort.

1 is a schematic structural diagram of a water heater provided by an embodiment of the present invention;

2 is a schematic structural diagram of a water heater provided by another embodiment of the present invention;

3 is a schematic structural diagram of a water heater provided by another embodiment of the present invention;

4 is a schematic structural diagram of a water heater provided by another embodiment of the present invention;

5 is a schematic structural diagram of a water heater provided by another embodiment of the present invention;

6 is a schematic structural diagram of a water heater provided by another embodiment of the present invention;

7 is a schematic structural diagram of a water heater provided by another embodiment of the present invention;

8 is a schematic structural diagram of a water heater provided by another embodiment of the present invention;

9 is a schematic structural diagram of a water heater provided by another embodiment of the present invention;

10 is a schematic structural diagram of a water heater provided by another embodiment of the present invention;

11 is a schematic structural diagram of a water heater provided by another embodiment of the present invention;

12 is a schematic structural diagram of a softening regeneration device provided by an embodiment of the present invention;

13 is a schematic structural diagram of a water heater provided by another embodiment of the present invention;

14 is a schematic structural diagram of a water heater provided by another embodiment of the present invention;

15 is a schematic structural diagram of a water heater provided by another embodiment of the present invention.

Detailed ways

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are part of the embodiments of the present invention, but not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

It is also to be understood that the terminology used in this specification of the present invention is for the purpose of describing particular embodiments only and is not intended to limit the present invention. As used in this specification and the appended claims, the singular forms "a," "an," and "the" are intended to include the plural unless the context clearly dictates otherwise.

It should further be understood that, as used in this specification and the appended claims, the term "and/or" refers to and including any and all possible combinations of one or more of the associated listed items .

As shown in FIG. 1, an embodiment of the present invention provides a water heater, which includes a heating device 10, a softening and regeneration device 20 and a first pipeline 30. The heating device 10 has a first water inlet 11 and a first water outlet 12 for softening The regeneration device 20 has a second water inlet 21 and a second water outlet 22. One end of the first pipeline 30 is connected to the first water outlet 12, and the other end is connected to the second water inlet 21. The softening and regeneration device 20 is used to pass through the heating device 10. The initial water softens into demineralized water.

In specific use, the initial water, which may be tap water, enters the heating device 10 through the first water inlet 11 for heating, and the heated initial water enters the softening and regeneration device 20 through the first pipeline 30 for softening, and the softened water formed after softening is softened from The second water outlet 22 flows out for bathing and other purposes. It should be noted that the initial water coming out of the heating device 10 may be heated hot water or unheated cold water.

After adopting the above technical solution, by setting the softening and regeneration device 20 to soften the initial water passing through the heating device 10, the user can use the softened water for bathing, thereby improving the user experience. Moreover, by arranging the softening and regenerating device 20 behind, the salt water used in the regeneration of the softening and regenerating device 20 will not enter the heating device 10, avoiding the situation that the salt water accelerates the corrosion of the heating device 10, and prolonging the service life of the water heater.

As shown in FIG. 2 , in other embodiments, the water heater includes a heating device 10 , a softening and regeneration device 20 , a first pipeline 30 and a mixing device 40 , and the heating device 10 has a first water inlet 11 and a first water outlet 12 , The softening and regeneration device 20 has a second water inlet 21 and a second water outlet 22. One end of the first pipeline 30 is connected to the first water outlet 12, and the other end is connected to the second water inlet 21. The mixing device 40 is provided in the heating device 10 and the softening device. Between the regeneration devices 20, the mixing device 40 has a first inlet 41, a second inlet 42 and a mixed water outlet 43, the mixed water outlet 43 communicates with the second water inlet 21, the first inlet 41 communicates with the first water outlet 12, and the first inlet 41 communicates with the first water outlet 12. The second inlet 42 is used to input cold initial water, and the mixing device 40 is used to adjust the water temperature of the initial water entering the softening and regeneration device 20 .

In specific use, the hot water from the heating device 10 enters the mixing device 40 through the first pipeline 30, the cold initial water enters the mixing device 40 through the second inlet 42, and the hot and cold water are mixed in the mixing device 40, thereby The water temperature of the initial water entering the softening and regeneration device 20 is adjusted to a preset temperature value.

After adopting the above technical solution, by setting the softening and regeneration device 20 to soften the initial water passing through the heating device 10, the user can use the softened water for bathing, thereby improving the user experience. Moreover, by arranging the softening and regenerating device 20 behind, the salt water used in the regeneration of the softening and regenerating device 20 will not enter the heating device 10, avoiding the situation that the salt water accelerates the corrosion of the heating device 10, and prolonging the service life of the water heater. In addition, by setting the mixing device 40 to adjust the temperature of the water entering the softening and regeneration device 20 , the initial water temperature from the heating device 10 can be prevented from being too high to damage the materials inside the softening and regeneration device 20 , and the service life of the softening and regeneration device 20 can be prolonged.

As shown in FIG. 2 , in some embodiments, the water heater further includes a water inlet pipe 50 , and the water inlet pipe 50 includes a third water inlet 51 and two third water outlets 52 , wherein one third water outlet 52 communicates with the first water inlet 11 , the other third water outlet 52 communicates with the second inlet 42 .

In specific use, the initial water entering the water inlet pipe 50 from the third water inlet 51 has two paths, one path enters the heating device 10 through the first water inlet 11 , and the other path enters the mixing device 40 through the second inlet 42 .

In this way, the pipeline connection can be simplified, the space occupied by the components can be saved, and the size of the water heater can be reduced.

As shown in FIG. 3 , the water inlet pipe 50 of the water heater is not limited to the above method. In other embodiments, the water heater includes a first water inlet pipe 50a and a second water inlet pipe 50b, and the first water inlet pipe 50a is connected to the first water inlet. 11. The second water inlet pipe 50b communicates with the second inlet 42.

In specific use, the initial water enters the heating device 10 from the first water inlet pipe 50a, and enters the mixing device 40 from the second water inlet pipe 50b.

In this design, the heating device 10 and the mixing device 40 supply water independently, and the water supply is stable.

Optionally, the mixing device 40 is an electronically controlled thermostatic valve.

As shown in FIG. 4 , the water heater may not be provided with the mixing device 40. For example, in some embodiments, the heating device 10 includes an inner tank 10a, a heating component 10b and a constant temperature component 10c, and the inner tank 10a is used to hold the initial water and heat The component 10b is installed in the inner tank 10a for heating the initial water, and the constant temperature component 10c is arranged at the first water outlet 12 for outputting hot water at a constant temperature. Wherein, the heating element 10b may be a heating wire wound around the outer side wall of the inner pot 10a, or may be a heating wire extending into the inner pot 10a, depending on actual design requirements.

In this embodiment, since the heating device 10 is provided with the constant temperature component 10c, the temperature can be adjusted by itself, so the mixing device 40 does not need to be provided.

In this design, since the mixing device 40 is not provided, not only the occupied space of the mixing device 40 is reduced, but also the connection of components is simplified.

As shown in FIG. 4 , in some embodiments, when the water heater is not provided with the mixing device 40 , another third water outlet 52 of the water inlet pipe 50 is connected to the second water inlet 21 .

As shown in FIG. 5, of course, in this embodiment, the water inlet pipe 50 can also adopt the above-mentioned arrangement including the first water inlet pipe 50a and the second water inlet pipe 50b. The first water inlet pipe 50a is connected to the first water inlet 11, and the first water inlet pipe 50a The second water inlet pipe 50b communicates with the second water inlet 21 .

As shown in FIG. 6 and FIG. 7 , in other embodiments, the water heater includes a heating device 10 , a softening regeneration device 20 , a first pipeline 30 , a second pipeline 60 and a control valve assembly 70 , the heating device 10 , the softening regeneration device The device 20, the first pipeline 30 and the mixing device 40, the heating device 10 has a first water inlet 11 and a first water outlet 12, the softening and regeneration device 20 has a second water inlet 21 and a second water outlet 22, the first pipeline One end of 30 is connected to the first water outlet 12, the other end is connected to the second water inlet 21, one end of the second pipeline 60 is connected to the first water outlet 12, and the other end is connected to the second water outlet 22, the control valve assembly 70 and the softening regeneration device 20 is connected to the second pipeline 60 , and the control valve assembly 70 is used to control the water supply ratio of the softening regeneration device 20 and the second pipeline 60 .

With this design, the water heater can provide at least three water modes for customers to choose from. One of the water use modes is that the control valve assembly 70 controls the softening and regeneration device 20 to shut off, and controls the second pipeline 60 to circulate, and the water heater supplies hot water and hard water. Another water use mode is that the control valve assembly 70 controls the second pipeline 60 to shut off, and controls the softening and regeneration device 20 to circulate, and the water heater supplies hot water and soft water. Another water use mode is that the control valve assembly 70 first controls the softening and regeneration device 20 to close the flow, the second pipeline 60 circulates, and then controls the second pipeline 60 to close the flow, and the softening and regeneration device 20 circulates, and the water heater supplies hot water and hard water before heating Soft water.

After adopting the above technical solution, by setting the softening and regeneration device 20 to soften the initial water passing through the heating device 10, the user can use the softened water for bathing, thereby improving the user experience. Moreover, by arranging the softening and regenerating device 20 behind, the salt water used in the regeneration of the softening and regenerating device 20 will not enter the heating device 10, avoiding the situation that the salt water accelerates the corrosion of the heating device 10, and prolonging the service life of the water heater. In addition, by arranging the second pipeline 60 and the control valve assembly 70, the user can select different water hardness and water outlet mode according to personal preference for bathing and other purposes, and the user experience is good.

As shown in FIG. 6 , in some embodiments, the control valve assembly 70 includes a first control valve 71 and a second control valve 72 , the first control valve 71 communicates with the second water inlet 21 , and the first control valve 71 is used to control For the water supply ratio of the softening and regeneration device 20 , the second control valve 72 is communicated with the second pipeline 60 , and the second control valve 72 is used to control the water supply ratio of the second pipeline 60 . Of course, the first control valve 71 can also be set to communicate with the second water outlet 22, which is determined according to actual design requirements.

In some embodiments, at least one of the first control valve 71 and the second control valve 72 is a regulating valve.

Exemplarily, the first control valve 71 is a shut-off valve, and the second control valve 72 is a regulating valve, or the first control valve 71 is a regulating valve, and the second control valve 72 is a shut-off valve, or the first control valve 71 and the second control valve 71 are The control valves 72 are all regulating valves.

After adopting the above technical solution, by setting at least one of the first control valve 71 and the second control valve 72 as a regulating valve, the initial water and the softened water can be mixed in a preset ratio, and the user can use it according to personal preference. Hot water mixed with preset water hardness.

Of course, the first control valve 71 and the second control valve 72 can also be shut-off valves. In this embodiment, the water heater cannot provide hot water mixed water with precise water hardness.

As shown in FIG. 6 , in some embodiments, one end of the second pipeline 60 is connected to the first pipeline 30 , and the second pipeline 60 communicates with the first water outlet 12 through the first pipeline 30 . This design method can simplify the pipeline connection. Of course, the second pipeline 60 can also be directly communicated with the first water outlet 12 .

As shown in FIG. 6 , in some embodiments, the first pipeline 30 and the second pipeline 60 have a connection point A, and the mixing device 40 is provided between the first water outlet 12 and the connection point A.

As shown in FIG. 7 , the control valve assembly 70 is not limited to the above-mentioned configuration including the first control valve 71 and the second control valve 72. In other embodiments, the control valve assembly 70 includes a mixing valve 70a, and the first control valve 70 Both the second pipeline 60 and the second water outlet 22 communicate with the mixing valve 70a. The initial water of the second pipeline 60 and the softened water of the second water outlet 22 are mixed at the mixing valve 70a. The mixing valve 70a provides users with different water consumption by controlling the water supply ratio of the softening regeneration device 20 and the second pipeline 60. model. When the mixing valve 70a controls the softening and regeneration device 20 to shut off, the water heater supplies hot water and hard water flowing through the second pipeline 60 . When the mixing valve 70a controls the second pipeline 60 to shut off, the water heater supplies the hot soft water flowing through the softening and regenerating device 20 . When the mixing valve 70a controls the opening communicating with the softening regeneration device 20 and the opening communicating with the second pipeline 60 to open in a certain ratio, the water heater supplies hot water mixed water.

As shown in FIGS. 8 and 9 , in other embodiments, the water heater includes a heating device 10 , a softening and regeneration device 20 , a first pipeline 30 , a mixing device 40 , a water inlet pipe 50 , a second pipeline 60 and a control valve assembly 70. The heating device 10 has a first water inlet 11 and a first water outlet 12, the softening and regeneration device 20 has a second water inlet 21 and a second water outlet 22, one end of the first pipeline 30 is connected to the first water outlet 12, and the other end is connected to the first water outlet 12. The second water inlet 21 . The mixing device 40 is arranged between the heating device 10 and the softening and regeneration device 20. The mixing device 40 has a first inlet 41, a second inlet 42 and a mixed water outlet 43. The mixed water outlet 43 communicates with the second water inlet 21, and the first inlet 41 communicates with the first water outlet 12 . The water inlet pipe 50 includes a third water inlet 51 and two third water outlets 52 , wherein one third water outlet 52 communicates with the first water inlet 11 , and the other third water outlet 52 communicates with the second inlet 42 . One end of the second pipeline 60 is connected to the first pipeline 30 between the mixing device 40 and the softening and regeneration device 20 , and the other end is connected to the second water outlet 22 . The control valve assembly 70 is connected to the softening regeneration device 20 and the second pipeline 60 , and the control valve assembly 70 is used to control the water supply ratio of the softening regeneration device 20 and the second pipeline 60 .

The control valve assembly 70 incorporates the water inlet pipe 50 and the mixing device 40 so that the water heater has four additional water modes. One of the water use modes is that the initial water enters the mixing device 40 through the third water outlet 52 of the water inlet pipe 50, and then enters the softening and regeneration device 20 through the first pipeline 30, and the water heater supplies cold water and soft water. Another water use mode is that the initial water enters the mixing device 40 through the third water outlet 52 of the water inlet pipe 50, and then enters the second pipe 60 through the first pipeline 30, and the water heater supplies cold hard water. Another water use mode is that the initial water enters the mixing device 40 through the third water outlet 52 of the water inlet pipe 50, and then enters the softening and regeneration device 20 and the second pipeline 60 through the first pipeline 30, and then mixes to obtain cold water mixed water. Another water use mode is that the initial water enters the mixing device 40 through the third water outlet 52 of the water inlet pipe 50 , and then enters the second pipe 60 through the first pipeline 30 , the water heater supplies cold hard water, and then the initial water passes through the water inlet pipe 50 . The third water outlet 52 enters the mixing device 40, and then enters the softening and regeneration device 20 through the first pipeline 30. The water heater supplies cold water and soft water, that is, the water heater supplies cold water hard water first and then cold water soft water.

As shown in FIG. 10 , in some embodiments, the water heater includes a heating device 10 , a softening and regeneration device 20 , a first pipeline 30 , a water outlet pipe 80 and a first water hardness detector 101 , and the heating device 10 has a first water inlet 11 and the first water outlet 12, the softening and regeneration device 20 has a second water inlet 21 and a second water outlet 22, one end of the first pipeline 30 is connected to the first water outlet 12, the other end is connected to the second water inlet 21, and the water outlet pipe 80 Connected to the second water outlet 22 , the first water hardness detector 101 is installed on the water outlet pipe 80 , and the first water hardness detector 101 is used to detect the water hardness of the softened water flowing out from the second water outlet 22 .

After adopting the above technical solution, by setting the softening and regeneration device 20 to soften the initial water passing through the heating device 10, the user can use the softened water for bathing, thereby improving the user experience. Moreover, by arranging the softening and regenerating device 20 behind, the salt water used in the regeneration of the softening and regenerating device 20 will not enter the heating device 10, avoiding the situation that the salt water accelerates the corrosion of the heating device 10, and prolonging the service life of the water heater. In addition, by setting the first water hardness detector 101 to detect the water hardness of the softened water flowing out from the second water outlet 22, and then displaying it by connecting the display screen, it is convenient for the user to know the water hardness of the softened water flowing out from the softening and regenerating device 20. Regenerate the softening regeneration device 20 in time.

As shown in FIG. 11 , in some embodiments, the water heater further includes a second water hardness detector 102, the second water hardness detector 102 is installed on the first pipeline 30, and the second water hardness detector 102 is used to detect The water hardness of the initial water flowing out of a water outlet 12 . By setting the second water hardness detector 102, the controller can control the water mixing ratio of the second pipeline 60 and the softening regeneration device 20 according to the values fed back by the first water hardness detector 101 and the second water hardness detector 102.

As shown in FIG. 11 , in some embodiments, the water heater further includes a third water hardness detector 103 , the third water hardness detector 103 is installed on the water inlet pipe 50 , and the third water hardness detector 103 is used to detect the water from the water inlet pipe 50 . The water hardness of the initial water entering the heating unit. Through the third water hardness detector 103, it is convenient for the user to monitor the water hardness of the external initial water.

As shown in FIG. 11 , in some embodiments, the water heater further includes a first temperature sensor 104 , the first temperature sensor 104 is installed on the water outlet pipe 80 , and the first temperature sensor 104 is used to detect the softened water flowing out from the second water outlet 22 . temperature.

As shown in FIG. 11 , in some embodiments, the water heater further includes a second temperature sensor 105 , the second temperature sensor 105 is installed on the first pipeline 30 , and the second temperature sensor 105 is used to detect the water flowing out of the first water outlet 12 . Initial water temperature.

As shown in FIG. 11 , in some embodiments, the water heater further includes a third temperature sensor 106 , the third temperature sensor 106 is installed on the water inlet pipe 50 , and the third temperature sensor 106 is used to detect the initial water entering the heating device from the water inlet pipe 50 temperature. By setting the third temperature sensor 106 and matching the value detected by the second temperature sensor 105, the heating device 10 can output appropriate power to heat the initial water to a preset temperature.

In some embodiments, the water heater is provided with a display screen, a first water hardness detector 101, a second water hardness detector 102, a third water hardness detector 103, a first temperature sensor 104, a second temperature sensor 105 and a third water hardness detector 103. The three temperature sensors 106 are all electrically connected to the display screen, the first water hardness detector 101, the second water hardness detector 102, the third water hardness detector 103, the first temperature sensor 104, the second temperature sensor 105 and the third temperature The value detected by the sensor 106 is displayed on the display screen.

As shown in FIG. 12 , in some embodiments, the softening and regeneration device 20 includes a softening component 23 and a regeneration component 24 . The softening component 23 is filled with softening materials capable of softening the initial water, and the regeneration component 24 communicates with the softening component 23 . The regeneration component The interior of 24 is filled with recycled material capable of regenerating the softened material. The softening material is resin and the recycled material is sodium chloride.

In the softening stage, the initial water from the heating device 10 enters the softening and regeneration device 20, the calcium and magnesium ions in the initial water are adsorbed by the resin, and the initial water is softened into softened water. During the regeneration stage, the sodium chloride solution in the regeneration component 24 enters the softening component 23, the sodium ions in the sodium chloride solution replace the calcium and magnesium ions on the resin, and the replaced calcium and magnesium ions are discharged from the waste discharge port of the softening regeneration device 20. 200 is discharged and the resin is reactivated.

As shown in FIG. 13 , in some embodiments, the water heater includes a heating device 10 , a softening and regeneration device 20 , a first pipeline 30 , a water inlet pipe 50 and a purification device 90 , and the heating device 10 has a first water inlet 11 and a first outlet. The water inlet 12, the softening and regeneration device 20 has a second water inlet 21 and a second water outlet 22, one end of the first pipeline 30 is connected to the first water outlet 12, and the other end is connected to the second water inlet 21, and the water inlet pipe 50 is connected to the first water inlet 21. The water inlet 11 is connected, and the purification device 90 is installed on the water inlet pipe 50. The purification device 90 is used to purify the impurities and/or residual chlorine and/or calcium and magnesium ions and/or germs in the initial water entering the heating device 10.

After adopting the above technical solution, by setting the softening and regeneration device 20 to soften the initial water passing through the heating device 10, the user can use the softened water for bathing, thereby improving the user experience. Moreover, by arranging the softening and regenerating device 20 behind, the salt water used in the regeneration of the softening and regenerating device 20 will not enter the heating device 10, avoiding the situation that the salt water accelerates the corrosion of the heating device 10, and prolonging the service life of the water heater. In addition, by adding a purification device 90 at the water inlet pipe 50, the purification device 90 can effectively avoid at least one of the problems of scaling of the heating device 10, accelerated corrosion of the heating device 10 and germs in the initial water by purifying the initial water.

As shown in FIG. 13 , in some embodiments, the purification device 90 includes a housing and an anti-scaling component disposed inside the housing. By setting the scale inhibitor component, an impurity in the initial water flowing through the water inlet pipe 50 can be filtered to prevent the impurity from entering the heating device 10 to form a scale layer.

As shown in FIG. 13 , in some embodiments, the scale-inhibiting component includes a filter screen and a scale-inhibiting filter element, and the initial water enters the heating device 10 after passing through the filter screen and the scale-inhibiting filter element in sequence. Among them, the filter is a textile fiber filter or a metal filter, which is used to filter the dust and other impurity particles in the external tap water. Optionally, the anti-scaling filter element can be one of activated carbon filter element, ceramic filter element and resin filter element. By setting the double filtration of the filter screen and the anti-scaling filter element, the sediment, bacteria, rust and calcium in the initial water can be effectively filtered out. Magnesium ions reduce the scale formation in the heating device 10 .

As shown in FIG. 13 , in some embodiments, the purification device 90 includes a housing and a dechlorination component disposed inside the housing. After the residual chlorine is heated by the heating device 10 to produce chloroform, even if it is absorbed at a low concentration for a long time, it will also cause a lot of chronic damage. For children, the residual chlorine in the water will cause dryness, breakage and bifurcation of the hair. , it will also bleach the skin, peel off the skin layer and cause allergies; for the elderly, chlorine will produce carcinogens such as chloroform when heated, which can easily lead to atherosclerosis, heart disease, bladder cancer, liver cancer, and rectal cancer. Cancer, high blood pressure, etc. In this embodiment, by setting the dechlorination component, the effect of residual chlorine in the initial water on human health can be avoided.

As shown in FIG. 13 , in some embodiments, the dechlorination assembly includes a filter element and dechlorination particles filled in the filter element, and the dechlorination particles include at least one of KDF (Kinetic Degradation Fluxion) particles, calcium sulfite particles and activated carbon particles kind. Among them, KDF particles use redox reaction to exchange electrons with oxidative harmful substances in water, and turn many harmful substances into harmless substances, which can reduce mineral scaling, reduce suspended solids, remove residual chlorine, inhibit microbial reproduction, and remove heavy metals. advantage. Calcium sulfite can effectively remove residual chlorine in water through redox reaction. Activated carbon particles have a strong adsorption effect on residual chlorine.

As shown in FIG. 13 , in some embodiments, the purification device 90 includes a magnetized member mounted on the water inlet pipe 50 . The magnetized parts are used to generate a high-intensity magnetic field, which changes the physical structure of the minerals in the water without changing the original chemical composition of the initial water. When the magnetic field lines are perpendicular to the direction of cutting the magnetic field, ordinary water will become magnetized water. Experiments show that after water is magnetized, a series of physical and chemical changes occur in the properties of water. The hydrogen bond angle changes from 105° to 103°, and the water changes from the original thirteen to eighteen macromolecular groups to five to six. Small molecular clusters, the permeability, solubility and surface tension of water are strengthened, which makes the traditional characteristics of water change, which can kill a variety of bacteria and viruses. In addition, positive and negative ions or particles collide with each other to form a certain number of "ions". "Associate", which has sufficient stability to form a large number of crystalline cores in water, making the water heater have anti-scaling, descaling and anti-corrosion functions.

As shown in FIG. 13 , in some embodiments, the magnetizing member is a permanent magnet or an electromagnetic induction coil, and the direction of the magnetic field of the magnetizing member is perpendicular to the direction of water flow. By setting the direction of the magnetic field of the magnetized part to be perpendicular to the direction of the water flow, a better magnetization effect can be formed on the initial water flowing through the magnetized part.

Optionally, the magnetizing member is a permanent magnet, which is annular, embedded in the water inlet pipe 50, and the initial water passes through the middle of the magnetizing member and is magnetized into magnetized water.

Optionally, the electromagnetic induction coil is wound around the outer side wall of the water inlet pipe 50, and when the electromagnetic induction coil is energized, a magnetic field is generated to magnetize the initial water. It should be noted that the section 50 of the water inlet pipe wound by the electromagnetic induction coil is made of non-metallic material, which not only allows the magnetic field to penetrate, but also is not easily magnetized. Optional non-metallic materials include polyvinyl chloride, polypropylene, polytetrafluoroethylene, etc.

As shown in FIG. 13 , in some embodiments, the water heater further includes a flow detection device 107 , which communicates with the first water inlet 11 , and is used to detect the initial flow of water entering the heating device 10 . By setting the flow direction detection device to detect the initial flow of water entering the heating device 10, the user's water consumption can be monitored.

In some embodiments, the water heater further includes a casing (not shown), and the heating device 10 , the softening and regeneration device 20 and the mixing device 40 are accommodated in the casing. Of course, the heating device 10 and the softening and regenerating device 20 can also be separated and independently provided, which is determined according to actual design requirements.

As shown in FIG. 14, in some embodiments, the water heater includes a heating device 10, a softening and regeneration device 20, a first pipeline 30, a mixing device 40, a water inlet pipeline 50, a second pipeline 60, a first control valve 71, a first pipeline Two control valve 72, outlet pipe 80, purification device 90, first water hardness detector 101, second water hardness detector 102, third water hardness detector 103, first temperature sensor 104, second temperature sensor 105, Three temperature sensors 106 and flow detection devices 107 . The heating device 10 has a first water inlet 11 and a first water outlet 12, the softening and regeneration device 20 has a second water inlet 21 and a second water outlet 22, one end of the first pipeline 30 is connected to the first water outlet 12, and the other end is connected to the first water outlet 12. The second water inlet 21, the mixing device 40 is arranged between the heating device 10 and the softening and regeneration device 20, the mixing device 40 has a first inlet 41, a second inlet 42 and a mixed water outlet 43, and the mixed water outlet 43 and the second water inlet 21 is communicated, and the first inlet 41 is communicated with the first water outlet 12 . The water inlet pipe 50 includes a third water inlet 51 and two third water outlets 52 , wherein one third water outlet 52 communicates with the first water inlet 11 , and the other third water outlet 52 communicates with the second inlet 42 . The water outlet pipe 80 communicates with the second water outlet 22 . One end of the second pipeline 60 is connected to the first pipeline 30 between the mixing device 40 and the softening and regeneration device 20 , and the other end is connected to the water outlet pipe 80 . The first water hardness detector 101 and the first temperature sensor 104 are installed on the water outlet pipe 80 . The second water hardness detector 102 and the second temperature sensor 105 are installed in the first pipeline 30 between the mixing device 40 and the softening and regeneration device 20 . The third water hardness detector 103 , the third temperature sensor 106 , the purification device 90 and the flow detection device 107 are installed on the water inlet pipe 50 .

As shown in FIG. 15 , in other embodiments, the water heater includes a heating device 10 ′, a softening and regeneration device 20 ′, a first pipeline 30 ′, a second pipeline 60 ′, a water inlet pipe 50 ′, and a first control valve 71 ' and the second control valve 72', the heating device 10' has a first water inlet 11' and a first water outlet 12', the softening and regeneration device 20' has a second water inlet 21' and a second water outlet 22', the first One end of the pipeline 30' is connected to the first water outlet 12', the other end is connected to the second water inlet 21', one end of the second pipeline 60' is connected to the first water outlet 12', and the other end is connected to the second water outlet 22', The water inlet pipe 50' communicates with the first water inlet 11'. The heating device 10' includes an inner tank 10a', a heating component 10b' and a constant temperature component 10c'. The inner tank 10a' is used to contain the initial water, and the heating component 10b' is installed in the inner tank 10a' for heating the initial water. The constant temperature component 10c 'It is arranged at the first water outlet 12' for outputting hot water with a constant temperature. The first control valve 71' communicates with the second water inlet 21' or the second water outlet 22', the first control valve 71' is used to control the water supply ratio of the softening and regeneration device 20', and the second control valve 72' is connected with the second pipe The pipeline 60' is connected, and the second control valve 72' is used to control the water supply ratio of the second pipeline 60'.

It should be noted that the heating device 10 , the softening and regeneration device 20 , the mixing device 40 and the control valve assembly 70 in the above-mentioned water heater can be separately provided with a control board equipped with a processor for operation control. An overall control board of at least one processor performs operational control. The processor may be a central processing unit (Central Processing Unit, CPU), and the processor may also be other general-purpose processors, digital signal processors (Digital Signal Processor, DSP), application specific integrated circuits (Application Specific Integrated Circuit, ASIC), field available Field-Programmable Gate Array (FPGA) or other programmable logic devices, discrete gate or transistor logic devices, discrete hardware components, etc.

The above are only specific embodiments of the present invention, but the protection scope of the present invention is not limited to this. Any person skilled in the art can easily think of various equivalents within the technical scope disclosed by the present invention. Modifications or substitutions should be included within the protection scope of the present invention. Therefore, the protection scope of the present invention should be subject to the protection scope of the claims.

Claims (10)

1. A water heater, comprising:

the heating device is provided with a first water inlet and a first water outlet;

the softening and regenerating device is provided with a second water inlet and a second water outlet;

one end of the first pipeline is communicated with the first water outlet, and the other end of the first pipeline is communicated with the second water inlet;

the softening and regenerating device is used for softening the initial water passing through the heating device into softened water.

2. The water heater of claim 1, further comprising:

one end of the second pipeline is communicated with the first water outlet, and the other end of the second pipeline is communicated with the second water outlet;

a control valve assembly connected to the softening and regenerating unit and the second pipeline;

the control valve assembly is used for controlling the water supply proportion of the softening and regenerating device and the second pipeline.

3. The water heater of claim 2, wherein the control valve assembly comprises:

the first control valve is communicated with the second water inlet or the second water outlet and is used for controlling the water supply proportion of the softening and regenerating device;

and the second control valve is communicated with the second pipeline and is used for controlling the water supply proportion of the second pipeline.

4. The water heater of claim 3, wherein at least one of the first and second control valves is a regulator valve.

5. The water heater of claim 2, wherein one end of the second pipe is connected to the first pipe, and the second pipe is communicated with the first water outlet through the first pipe.

6. The water heater of claim 5, further comprising:

mixing arrangement, first pipeline with the second pipeline has the tie point, mixing arrangement locates first delivery port with between the tie point, mixing arrangement has first entry, second entry and mixed water export, mixed water export with the second water inlet intercommunication, first entry with first delivery port intercommunication, the second entry is used for inputing cold initial water, mixing arrangement is used for adjusting the entering soften the temperature of regenerating unit's initial water.

7. The water heater of claim 6, further comprising:

the water inlet pipe comprises a third water inlet and two third water outlets, wherein one third water outlet is communicated with the first water inlet, and the other third water outlet is communicated with the second inlet.

8. The water heater of claim 6, further comprising:

the first water inlet pipe is communicated with the first water inlet;

and the second water inlet pipe is communicated with the second inlet.

9. The water heater of claim 2, wherein the control valve assembly comprises:

and the second pipeline and the second water outlet are communicated with the mixing valve.

10. The water heater of claim 1, further comprising:

and the purification device is communicated with the first water inlet and is used for purifying impurities and/or residual chlorine and/or calcium and magnesium ions and/or germs in the initial water entering the heating device.

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