CN215490298U - Water heater - Google Patents

Abstract

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

Background

The water inlet source of the water heater is generally hard water with high hardness, the hard water contains metal ions such as calcium, magnesium and the like with high concentration, the hard water and soap or other detergents can form insoluble precipitates, the bathing and cleaning effect can be reduced, and the symptoms such as dry, rough and even itching skin can be caused.

In order to solve the problem, some water heaters appear on the market, a softening and regenerating device is additionally arranged at the front end of a heating device, and although hard water can be softened by the arrangement mode, salt water in a softening stage can enter the heating device, so that the corrosion of the heating device is accelerated, and the service life of the water heater is influenced.

SUMMERY OF THE UTILITY MODEL

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

The utility model provides a water heater, which comprises a heating device, a softening and regenerating device, a first pipeline, a second pipeline and a control valve assembly, 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 provided by the utility model, the softening and regenerating device is arranged to soften the initial water passing through the heating device, so that a user can use the softened water to bath, and the user experience is improved. And through setting up the rear of softening regenerating unit, the salt solution that uses when softening regenerating unit regeneration can not enter into heating device, avoids appearing salt solution and accelerates the condition that heating device corrodes, prolongs the life of water heater.

As an improved mode, the water heater further comprises a second pipeline and a control valve assembly, wherein 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 is connected with the softening and regenerating device 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.

According to the water heater provided by the utility model, by arranging the second pipeline and the control valve assembly, a user can select different water hardness and water outlet modes according to personal preference to carry out bathing and other purposes, and the user experience is good.

As an improvement, the control valve assembly comprises a first control valve and a second control valve, the first control valve is communicated with the second water inlet or the second water outlet, the first control valve is used for controlling the water supply proportion of the softening and regenerating device, the second control valve is communicated with the second pipeline, and the second control valve is used for controlling the water supply proportion of the second pipeline.

As a refinement, at least one of the first control valve and the second control valve is a regulator valve.

According to the water heater provided by the utility model, at least one of the first control valve and the second control valve is set as the regulating valve, so that the initial water and the softened water can be mixed according to a preset proportion, and a user can use hot water mixed water with preset water quality hardness according to personal preference.

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

As an improvement, the water heater further comprises a mixing device, the first pipeline and the second pipeline have connection points, the mixing device is arranged between the first water outlet and the connection points, the mixing device is provided with 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, the second inlet is used for inputting cold initial water, and the mixing device is used for adjusting the temperature of the initial water entering the softening and regenerating device.

According to the water heater provided by the utility model, the water temperature entering the softening and regenerating device is regulated by arranging the mixing device, so that the damage to materials in the softening and regenerating device caused by too high initial water temperature from the heating device can be avoided, and the service life of the softening and regenerating device is prolonged.

As an improved mode, the water heater further comprises a water inlet pipe, the water inlet pipe comprises a third water inlet and two third water outlets, one of the third water outlets is communicated with the first water inlet, and the other third water outlet is communicated with the second inlet.

According to the water heater provided by the utility model, the water inlet pipe comprises the third water inlet and the two third water outlets, so that the pipeline connection can be simplified, the occupied space of parts can be saved, and the size of the water heater can be reduced.

As an improvement mode, the water heater further comprises a first water inlet pipe and a second water inlet pipe, wherein the first water inlet pipe is communicated with the first water inlet, and the second water inlet pipe is communicated with the second inlet.

The water heater provided by the utility model has the advantages that the two water inlet pipes are arranged, the heating device and the mixing device supply water independently, and the water supply is stable.

As a refinement, the control valve assembly includes a mixing valve, and the second pipeline and the second water outlet are both in communication with the mixing valve.

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

According to the water heater provided by the utility model, the purification device is additionally arranged at the water inlet pipe, and the purification device can effectively avoid at least one problem of scaling of the heating device, accelerated corrosion of the heating device and germ contained in the initial water through purification of the initial water.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.

FIG. 1 is a schematic structural diagram of a water heater according to an embodiment of the present invention;

FIG. 2 is a schematic structural diagram of a water heater according to another embodiment of the present invention;

FIG. 3 is a schematic structural diagram of a water heater according to another embodiment of the present invention;

FIG. 4 is a schematic structural diagram of a water heater according to another embodiment of the present invention;

FIG. 5 is a schematic structural diagram of a water heater according to another embodiment of the present invention;

FIG. 6 is a schematic structural diagram of a water heater according to another embodiment of the present invention;

FIG. 7 is a schematic structural diagram of a water heater according to another embodiment of the present invention;

FIG. 8 is a schematic structural diagram of a water heater according to another embodiment of the present invention;

FIG. 9 is a schematic structural diagram of a water heater according to another embodiment of the present invention;

FIG. 10 is a schematic structural diagram of a water heater according to another embodiment of the present invention;

FIG. 11 is a schematic structural diagram of a water heater according to another embodiment of the present invention;

FIG. 12 is a schematic structural diagram of a softening and regenerating device provided by an embodiment of the present invention;

FIG. 13 is a schematic structural diagram of a water heater according to another embodiment of the present invention;

FIG. 14 is a schematic structural diagram of a water heater according to another embodiment of the present invention;

fig. 15 is a schematic structural diagram of a water heater according to another embodiment of the present invention.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, not all, embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

It is also to be understood that the terminology used in the description of the utility model herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the utility model. As used in the specification of the present invention and the appended claims, the singular forms "a," "an," and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise.

It should be further understood that the term "and/or" as used in this specification and the appended claims refers to and includes 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 regenerating device 20, and a first pipeline 30, wherein the heating device 10 has a first water inlet 11 and a first water outlet 12, the softening and regenerating device 20 has a second water inlet 21 and a second water outlet 22, one end of the first pipeline 30 is communicated with the first water outlet 12, and the other end is communicated with the second water inlet 21, and the softening and regenerating device 20 is configured to soften initial water passing through the heating device 10 into softened water.

When the water supply device is used specifically, initial water, which may be tap water, enters the heating device 10 through the first water inlet 11 to be heated, the heated initial water enters the softening and regenerating device 20 through the first pipeline 30 to be softened, and softened water formed after softening flows out from the second water outlet 22 to be used for bathing and the like. It should be noted that the initial water from the heating device 10 may be heated hot water or unheated cold water.

After the technical scheme is adopted, the softening and regenerating device 20 is arranged to soften the initial water passing through the heating device 10, so that a user can use the softened water to bath, and the user experience is improved. And through setting up softening regenerating unit 20 rearmounted, the salt solution that softening regenerating unit 20 used when regeneration can not enter into heating device 10, avoids appearing the salt solution and accelerates the condition that heating device 10 corrodes, prolongs the life of water heater.

As shown in fig. 2, in some other embodiments, the water heater includes a heating device 10, a softening and regenerating device 20, a first pipeline 30 and a mixing device 40, the heating device 10 has a first water inlet 11 and a first water outlet 12, the softening and regenerating device 20 has a second water inlet 21 and a second water outlet 22, one end of the first pipeline 30 is communicated with the first water outlet 12, the other end is communicated with the second water inlet 21, the mixing device 40 is disposed between the heating device 10 and the softening and regenerating 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 is communicated with the second water inlet 21, the first inlet 41 is communicated with the first water outlet 12, the second inlet 42 is used for inputting cold initial water, and the mixing device 40 is used for adjusting the temperature of the initial water entering the softening and regenerating device 20.

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

After the technical scheme is adopted, the softening and regenerating device 20 is arranged to soften the initial water passing through the heating device 10, so that a user can use the softened water to bath, and the user experience is improved. And through setting up softening regenerating unit 20 rearmounted, the salt solution that softening regenerating unit 20 used when regeneration can not enter into heating device 10, avoids appearing the salt solution and accelerates the condition that heating device 10 corrodes, prolongs the life of water heater. In addition, by setting the mixing device 40 to adjust the water temperature entering the softening and regenerating device 20, the damage to the materials inside the softening and regenerating device 20 caused by the high initial water temperature from the heating device 10 can be avoided, and the service life of the softening and regenerating device 20 can be prolonged.

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

In particular, in use, the initial water entering the water inlet pipe 50 from the third water inlet 51 enters the heating device 10 through the first water inlet 11, and enters the mixing device 40 through the second inlet 42.

With this design, can simplify the pipe connection, save part occupation space, reduce the water heater size.

As shown in FIG. 3, the water inlet pipe 50 of the water heater is not limited to the above manner, and in other embodiments, the water heater includes a first water inlet pipe 50a and a second water inlet pipe 50b, wherein the first water inlet pipe 50a is communicated with the first water inlet 11, and the second water inlet pipe 50b is communicated with the second water inlet 42.

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

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

Optionally, the mixing device 40 is an electrically 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 a liner 10a, a heating assembly 10b and a constant temperature assembly 10c, the liner 10a is used for containing the initial water, the heating assembly 10b is installed on the liner 10a for heating the initial water, and the constant temperature assembly 10c is arranged at the first water outlet 12 for outputting the hot water with a constant temperature. The heating element 10b may be a heating wire wound around the outer sidewall of the inner container 10a, or a heating wire extending into the inner container 10a, which is determined according to the actual design requirement.

In this embodiment, since the heating device 10 is provided with the thermostatic member 10c, the temperature adjustment itself can be performed, and thus the mixing device 40 is not required.

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 component connection is simplified.

In some embodiments, as shown in fig. 4, in case the water heater is not provided with a 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 may 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 communicated with the first water inlet 11, and the second water inlet pipe 50b is communicated with the second water inlet 21.

As shown in fig. 6 and 7, in some other embodiments, the water heater includes a heating device 10, a softening and regenerating device 20, a first pipeline 30, a second pipeline 60 and a control valve assembly 70, the heating device 10, the softening and regenerating 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 regenerating device 20 has a second water inlet 21 and a second water outlet 22, one end of the first pipeline 30 communicates with the first water outlet 12, the other end communicates with the second water inlet 21, one end of the second pipeline 60 communicates with the first water outlet 12, the other end communicates with the second water outlet 22, the control valve assembly 70 is connected to the softening and regenerating device 20 and the second pipeline 60, and the control valve assembly 70 is used for controlling the water supply ratio of the softening and regenerating device 20 and the second pipeline 60.

In this design, the water heater can provide at least three modes of water usage for customer selection. One mode of water use is to control the valve assembly 70 to shut off the softening and regeneration device 20 and to control the flow through the second conduit 60, the water heater supplying hot hard water. Another water usage mode is that the control valve assembly 70 controls the second line 60 to shut off and controls the flow of the softening and regeneration device 20, and the water heater supplies hot soft water. The other water using mode is that the control valve assembly 70 firstly controls the softening and regenerating device 20 to cut off, the second pipeline 60 is communicated, then the second pipeline 60 is controlled to cut off, the softening and regenerating device 20 is communicated, and the water heater supplies hot water hard water and hot water soft water.

After the technical scheme is adopted, the softening and regenerating device 20 is arranged to soften the initial water passing through the heating device 10, so that a user can use the softened water to bath, and the user experience is improved. And through setting up softening regenerating unit 20 rearmounted, the salt solution that softening regenerating unit 20 used when regeneration can not enter into heating device 10, avoids appearing the salt solution and accelerates the condition that heating device 10 corrodes, prolongs the life of water heater. In addition, by arranging the second pipeline 60 and the control valve assembly 70, a user can select different water hardness and water outlet modes according to personal preference to carry out 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 is communicated with the second water inlet 21, the first control valve 71 is used for controlling the water supply proportion of the softening and regenerating device 20, the second control valve 72 is communicated with the second pipeline 60, and the second control valve 72 is used for controlling the water supply proportion of the second pipeline 60. Of course, the first control valve 71 can also be set to communicate with the second water outlet 22, depending on the actual design requirements.

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

Illustratively, the first control valve 71 is a stop valve and the second control valve 72 is a regulator valve, or the first control valve 71 is a regulator valve and the second control valve 72 is a stop valve, or both the first control valve 71 and the second control valve 72 are regulator valves.

After the technical scheme is adopted, at least one of the first control valve 71 and the second control valve 72 is set to be the regulating valve, so that the initial water and the softened water can be mixed according to a preset proportion, and a user can use hot water mixed water with preset water hardness according to personal preference.

Of course, the first control valve 71 and the second control valve 72 may both be shut-off valves, and in this embodiment, the water heater may not provide hot water mix of 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 is communicated with the first water outlet 12 through the first pipeline 30. This design may simplify the piping connections. 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 and second lines 30, 60 have a connection point a, and the mixing device 40 is disposed between the first outlet 12 and the connection point a.

As shown in fig. 7, the control valve assembly 70 is not limited to the arrangement including the first control valve 71 and the second control valve 72, and in other embodiments, the control valve assembly 70 includes a mixing valve 70a, and the second pipeline 60 and the second water outlet 22 are both in communication with the mixing valve 70 a. The initial water of the second pipe 60 and the softened water of the second water outlet 22 are mixed at the mixing valve 70a, and the mixing valve 70a provides different water usage modes for users by controlling the water supply ratio of the softening and regenerating device 20 and the second pipe 60. When the mixing valve 70a controls shut-off of the softening and regeneration device 20, the boiler supplies hot hard water through the second line 60. When the mixing valve 70a controls the shut-off of the second line 60, the boiler supplies hot soft water through the softening and regeneration device 20. When the mixing valve 70a controls the opening communicating with the softening and regenerating means 20 and the opening communicating with the second pipe 60 to be opened in a certain ratio, the water heater supplies hot mixed water.

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

The control valve assembly 70 combines the water inlet tube 50 and the mixing device 40 to allow four additional modes of water usage for the water heater. In one mode, the initial water enters the mixing device 40 through the third outlet 52 of the inlet pipe 50 and then enters the softening and regenerating device 20 through the first pipe 30, and the water heater supplies cold water and soft water. Another water usage mode is that the initial water enters the mixing device 40 through the third outlet 52 of the inlet pipe 50 and then enters the second pipe 60 through the first pipe 30, and the water heater supplies cold hard water. The other 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 regenerating device 20 and the second pipeline 60 through the first pipeline 30 respectively, and then is mixed to obtain cold water mixed water. Another water usage mode is that the initial water enters the mixing device 40 through the third water outlet 52 of the water inlet pipe 50, then enters the second pipe 60 through the first pipe 30, and the water heater supplies cold water hard water, and then 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 regenerating device 20 through the first pipe 30, and the water heater supplies cold water 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 regenerating device 20, a first pipeline 30, a water outlet pipe 80 and a first water hardness detector 101, the heating device 10 has a first water inlet 11 and a first water outlet 12, the softening and regenerating device 20 has a second water inlet 21 and a second water outlet 22, one end of the first pipeline 30 is communicated with the first water outlet 12, the other end is communicated with the second water inlet 21, the water outlet pipe 80 is communicated with the second water outlet 22, the first water hardness detector 101 is mounted on the water outlet pipe 80, and the first water hardness detector 101 is used for detecting the water hardness of softened water flowing out from the second water outlet 22.

After the technical scheme is adopted, the softening and regenerating device 20 is arranged to soften the initial water passing through the heating device 10, so that a user can use the softened water to bath, and the user experience is improved. And through setting up softening regenerating unit 20 rearmounted, the salt solution that softening regenerating unit 20 used when regeneration can not enter into heating device 10, avoids appearing the salt solution and accelerates the condition that heating device 10 corrodes, prolongs the life of water heater. In addition, the softened water flowing out from the second water outlet 22 is subjected to water hardness detection through the first water hardness detector 101, and is displayed through the connection display screen subsequently, so that a user can know the water hardness of the softened water flowing out from the softening and regenerating device 20 conveniently, and the softening and regenerating device 20 is subjected to regeneration operation in time.

As shown in fig. 11, in some embodiments, the water heater further comprises a second water hardness detector 102, the second water hardness detector 102 is mounted on the first pipeline 30, and the second water hardness detector 102 is used for detecting the water hardness of the initial water flowing out from the first water outlet 12. By arranging the second water hardness detector 102, the controller is facilitated to control the effluent mixing ratio of the second pipeline 60 and the softening and regenerating device 20 according to the numerical 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 mounted to the water inlet pipe 50, and the third water hardness detector 103 is used for detecting the water hardness of the initial water entering the heating device from the water inlet pipe 50. Through the third water hardness detector 103, the user can conveniently 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 being mounted to the outlet pipe 80, the first temperature sensor 104 being configured to detect the temperature of the softened water flowing out of the second outlet 22.

As shown in fig. 11, in some embodiments, the water heater further comprises a second temperature sensor 105, the second temperature sensor 105 is mounted on the first pipeline 30, and the second temperature sensor 105 is used for detecting the temperature of the initial water flowing out of the first water outlet 12.

As shown in fig. 11, in some embodiments, the water heater further includes a third temperature sensor 106, the third temperature sensor 106 being mounted to the inlet pipe 50, the third temperature sensor 106 being configured to sense the temperature of the initial water entering the heating device from the inlet pipe 50. By providing the third temperature sensor 106, the heating device 10 can output appropriate power to heat the initial water to the preset temperature in cooperation with the value detected by the second temperature sensor 105.

In some embodiments, a display screen is arranged on the water heater, 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 sensor 106 are all electrically connected with the display screen, and the values detected by 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 sensor 106 are displayed through the display screen.

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

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

As shown in fig. 13, in some embodiments, the water heater includes a heating device 10, a softening and regenerating device 20, a first pipeline 30, a water inlet pipe 50 and a purifying device 90, wherein the heating device 10 has a first water inlet 11 and a first water outlet 12, the softening and regenerating device 20 has a second water inlet 21 and a second water outlet 22, one end of the first pipeline 30 is communicated with the first water outlet 12, the other end is communicated with the second water inlet 21, the water inlet pipe 50 is communicated with the first water inlet 11, the purifying device 90 is installed on the water inlet pipe 50, and the purifying device 90 is used for purifying impurities and/or residual chlorine and/or calcium-magnesium ions and/or germs in the initial water entering the heating device 10.

After the technical scheme is adopted, the softening and regenerating device 20 is arranged to soften the initial water passing through the heating device 10, so that a user can use the softened water to bath, and the user experience is improved. And through setting up softening regenerating unit 20 rearmounted, the salt solution that softening regenerating unit 20 used when regeneration can not enter into heating device 10, avoids appearing the salt solution and accelerates the condition that heating device 10 corrodes, prolongs the life of water heater. In addition, by additionally arranging the purifying device 90 at the water inlet pipe 50, the purifying device 90 can effectively avoid at least one of the problems that the heating device 10 is scaled, the corrosion of the heating device 10 is accelerated and the initial water contains germs 10 by purifying the initial water.

As shown in fig. 13, in some embodiments, the purification device 90 includes a housing and a scale inhibiting assembly disposed inside the housing. By providing the scale inhibition assembly, an impurity in the initial water flowing through the water inlet pipe 50 can be filtered to prevent the impurity from entering the heating apparatus 10 to form a scale layer.

As shown in fig. 13, in some embodiments, the scale inhibiting assembly includes a filter screen and a scale inhibiting filter element, and the initial water sequentially passes through the filter screen and the scale inhibiting filter element and then enters the heating device 10. Wherein, the filter screen is textile fiber filter screen or metal filter screen, is used for filtering dust and other foreign particles in external tap water. Optionally, the scale inhibition filter element may be one of an activated carbon filter element, a ceramic filter element and a resin filter element, and by setting the double filtration of the filter screen and the scale inhibition filter element, silt, bacteria, rust and calcium and magnesium ions in the initial water can be effectively filtered, so that the scale layer generated in the heating device 10 is reduced.

As shown in fig. 13, in some embodiments, the purification apparatus 90 includes a housing and a chlorine removal assembly disposed within the housing. Residual chlorine produces trichloromethane after being heated by the heating device 10, even if the residual chlorine is absorbed in low concentration for a long time, the trichloromethane can bring no small chronic injury, and for children, the residual chlorine in water can cause hair to be dry, broken and forked, and can also cause skin to be whitened, skin layers to fall off and allergy is generated; for the elderly, the chlorine generates carcinogens such as chloroform after being heated, thereby easily causing atherosclerosis, heart disease, bladder cancer, liver cancer, rectal cancer, hypertension and the like. In this embodiment, through setting up the dechlorination subassembly, can avoid the chlorine residue in the initial aquatic to produce the influence to people's health.

As shown in fig. 13, in some embodiments, the chlorine removal assembly includes a filter element and chlorine removal particles filled inside the filter element, and the chlorine removal particles include at least one of kdf (kinetic Degradation fluorine) particles, calcium sulfite particles, and activated carbon particles. The KDF particles are subjected to electronic exchange with oxidative harmful substances in water by using an oxidation-reduction reaction to change a plurality of harmful substances into harmless substances, and have the advantages of reducing mineral scale, reducing suspended solids, removing residual chlorine, inhibiting microbial reproduction, removing heavy metals and the like. The calcium sulfite can effectively remove residual chlorine in the water through oxidation-reduction reaction. The activated carbon particles have stronger adsorption effect on residual chlorine.

As shown in FIG. 13, in some embodiments, the purification apparatus 90 includes a magnetized member mounted to the water inlet pipe 50. The magnetizing part is used for generating a high-intensity magnetic field, the physical structure of mineral substances in the water is changed under the condition that the original chemical components of the initial water are not changed, when the magnetic field condition reaches more than 3000GS-5000GS, the initial water cuts the magnetic field along the direction vertical to the magnetic force lines at a certain flow speed, and the common water can be changed into magnetized water. Experiments show that after water is magnetized, the water property is subjected to a series of physical and chemical changes, the hydrogen bond angle is changed from 105 degrees to 103 degrees, the water is changed from original thirteen to eighteen macromolecular groups to five to six small molecular groups, the permeability, the dissolving power and the surface tension of the water are enhanced, so that the traditional characteristics of the water are changed, various bacteria and viruses can be killed, in addition, positive ions and negative ions or particles collide with each other to form a certain number of 'ion association bodies', the association bodies have sufficient stability, a large number of crystal cores are formed in the water, and the water heater has the functions of scale inhibition, scale removal and corrosion prevention.

In some embodiments, the magnetization member is a permanent magnet or an electromagnetic coil, and the direction of the magnetic field of the magnetization member is perpendicular to the direction of the water flow, as shown in fig. 13. The direction of the magnetic field of the magnetizing part is perpendicular to the direction of water flow, so that a good magnetizing effect can be formed on initial water flowing through the magnetizing part.

Alternatively, the magnetizing member is a permanent magnet, and has a ring shape, and is 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, an electromagnetic coil is wound around the outer sidewall of the water inlet pipe 50, and the electromagnetic coil generates a magnetic field to magnetize the initial water when energized. It should be noted that, the section of the water inlet pipe 50 wound by the electromagnetic induction coil is made of a non-metallic material, which not only can be penetrated by a magnetic field, but also is not easy to be magnetized. The non-metallic materials that can be selected are polyvinyl chloride, polypropylene, polytetrafluoroethylene, etc.

As shown in fig. 13, in some embodiments, the water heater further comprises a flow detection device 107, the flow detection device 107 is communicated with the first water inlet 11, and the flow detection device 107 is used for detecting the flow of the initial water entering the heating device 10. The water consumption of the user can be monitored by setting the flow direction detecting means to detect the flow rate of the initial water entering the heating apparatus 10.

In some embodiments, the water heater further includes a housing (not shown), and the heating device 10, the softening and regenerating device 20, and the mixing device 40 are housed inside the housing. Of course, the heating device 10 and the softening and regenerating device 20 may be separately and independently arranged, and the specific design requirements are determined.

As shown in fig. 14, in some embodiments, the water heater includes a heating device 10, a softening and regenerating device 20, a first pipeline 30, a mixing device 40, a water inlet pipe 50, a second pipeline 60, a first control valve 71, a second control valve 72, a water outlet pipe 80, a purifying device 90, 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, a third temperature sensor 106, and a flow rate detecting device 107. The heating device 10 is provided with a first water inlet 11 and a first water outlet 12, the softening and regenerating device 20 is provided with a second water inlet 21 and a second water outlet 22, one end of the first pipeline 30 is communicated with the first water outlet 12, the other end of the first pipeline is communicated with the second water inlet 21, the mixing device 40 is arranged between the heating device 10 and the softening and regenerating device 20, the mixing device 40 is provided with a first inlet 41, a second inlet 42 and a mixed water outlet 43, the mixed water outlet 43 is communicated with the second water inlet 21, and the first inlet 41 is communicated with the first water outlet 12. The water inlet pipe 50 comprises a third water inlet 51 and two third water outlets 52, wherein one third water outlet 52 is communicated with the first water inlet 11, and the other third water outlet 52 is communicated with the second inlet 42. The water outlet pipe 80 is communicated with the second water outlet 22. One end of the second pipeline 60 is communicated with the first pipeline 30 between the mixing device 40 and the softening and regenerating device 20, and the other end is communicated with the water outlet pipe 80. A first water hardness detector 101 and a first temperature sensor 104 are mounted on the water outlet pipe 80. A second water hardness detector 102 and a second temperature sensor 105 are installed on the first pipe 30 between the mixing device 40 and the softening and regenerating device 20. The third water hardness detector 103, the third temperature sensor 106, the purification apparatus 90, and the flow rate detection apparatus 107 are attached to the water inlet pipe 50.

As shown in fig. 15, in some other embodiments, the water heater includes a heating device 10 ', a softening and regenerating device 20 ', a first pipeline 30 ', a second pipeline 60 ', a water inlet pipe 50 ', a first control valve 71 ' and a second control valve 72 ', the heating device 10 ' has a first water inlet 11 ' and a first water outlet 12 ', the softening and regenerating device 20 ' has a second water inlet 21 ' and a second water outlet 22 ', one end of the first pipeline 30 ' communicates with the first water outlet 12 ', the other end communicates with the second water inlet 21 ', one end of the second pipeline 60 ' communicates with the first water outlet 12 ', the other end communicates with the second water outlet 22 ', and the water inlet pipe 50 ' communicates with the first water inlet 11 '. The heating device 10 ' comprises an inner container 10a ', a heating assembly 10b ' and a constant temperature assembly 10c ', wherein the inner container 10a ' is used for containing initial water, the heating assembly 10b ' is installed on the inner container 10a ' and used for heating the initial water, and the constant temperature assembly 10c ' is arranged at the first water outlet 12 ' and used for outputting hot water with constant temperature. The first control valve 71 ' is communicated with the second water inlet 21 ' or the second water outlet 22 ', the first control valve 71 ' is used for controlling the water supply proportion of the softening and regenerating device 20 ', the second control valve 72 ' is communicated with the second pipeline 60 ', and the second control valve 72 ' is used for controlling the water supply proportion of the second pipeline 60 '.

In the above-described water heater, the heating device 10, the softening and regenerating device 20, the mixing device 40, and the control valve assembly 70 may be individually provided with a control board provided with a processor for operation control, or may be operated and controlled by a general control board provided with at least one processor. The Processor may be a Central Processing Unit (CPU), and the Processor may be other general purpose Processor, a Digital Signal Processor (DSP), an Application Specific Integrated Circuit (ASIC), a Field Programmable Gate Array (FPGA) or other Programmable logic device, discrete Gate or transistor logic, discrete hardware components, etc.

While the utility model has been described with reference to specific embodiments, the utility model is not limited thereto, and various equivalent modifications and substitutions can be easily made by those skilled in the art within the technical scope of the utility model. Therefore, the protection scope of the present invention shall 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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