CN211977247U - Electric water heater - Google Patents

Abstract

The utility model discloses an electric water heater, which relates to the technical field of electrical appliances. The electric water heater comprises a water heater casing, a hot water module, an end cover seat, an internal circulation fan assembly and a temperature adjustment device. The water heater casing is provided with an end opening, and the hot water module It is built into the shell cavity of the water heater shell, and the end cover seat closes the end opening and is recessed toward the shell cavity to form an end cover cavity. The fan assembly and the temperature adjustment device are detachably installed in the indoor circulating air duct structure. The body of the internal circulation fan assembly is detachably mounted on the inner peripheral wall of the end cover seat, the peripheral wall of the end cover seat is provided with an opening of the peripheral wall of the end cover seat, and the inner circulation fan of the internal circulation fan assembly discharges air The end is detachably inserted into the opening of the peripheral wall of the end cover seat. The electric water heater of the utility model can effectively improve the bathroom environment, has a reliable and compact structure, and is easy to disassemble and clean.

Description

water heater

technical field

The utility model relates to the technical field of electrical appliances, in particular to an electric water heater.

Background technique

The bathroom is usually not only used as a space for bathing, but also as a toilet. In winter, the temperature is low, and in a bathroom without central heating, users will feel cold when they take a bath or go to the toilet. Especially for vulnerable people such as the elderly and children, if the temperature of the bathroom is too low, it is easy to catch cold when bathing, causing health problems. In addition, due to the limitation of the urban living area, the area of the bathroom is usually small, and it is impossible to set more electrical appliances for improving the environment in the bathroom at the same time, which affects the user's experience in the bathroom.

SUMMARY OF THE INVENTION

The purpose of the utility model is to provide a new type of electric water heater, which can effectively improve the bathroom environment, and has a reliable and compact structure, which is easy to disassemble and clean.

In order to achieve the above purpose, the present invention provides an electric water heater, which comprises:

water heater shell, provided with end openings;

a hot water module, built in the shell cavity of the water heater shell;

an end cover seat, the end cover seat closes the end opening and is recessed toward the shell cavity to form an end cover cavity, and an indoor circulating air duct structure is arranged in the end cover cavity; and

An inner circulation fan assembly and a temperature adjustment device are provided, wherein the inner circulation fan assembly and the temperature adjustment device are detachably installed in the indoor circulation air duct structure.

Optionally, the body of the internal circulation fan assembly can be detachably installed on the inner peripheral wall of the end cover seat, the peripheral wall of the end cover seat is provided with an opening in the peripheral wall of the end cover seat, and the inner circulation fan assembly is The air outlet end of the circulating fan is detachably inserted into the opening of the peripheral wall of the end cover seat.

Further, an air guide connector with a hollow air guide groove can be extended from the air outlet end of the internal circulation fan, the air guide connector is inserted into the opening of the peripheral wall of the end cover seat, and the temperature adjustment device is installed on in the hollow air guide groove.

Further, the outer peripheral wall of the air guide connector may be provided with an annular skirt portion for heat insulation, and the annular skirt portion acts as a stopper and abuts against the opening peripheral wall of the opening of the peripheral wall of the end cover seat. superior.

In some embodiments, the electric water heater may further include a deodorization module detachably installed in the indoor circulation air duct structure, and the deodorization module shares a fan with the inner circulation fan assembly.

Optionally, the electric water heater may further include a negative ion module detachably installed in the indoor circulating air duct structure, and the negative ion module shares a fan with the internal circulating fan assembly.

Optionally, the water heater shell may be provided with an inner circulation air outlet that communicates with the indoor circulating air duct structure, and the inner circulation air outlet is provided with an air guide module including a plurality of air guide swing blades.

Optionally, the hot water module may include two inner pots and two heating elements respectively located in the inner pots, and/or the temperature adjustment device includes a heating device for raising the air temperature and/or Refrigeration unit for reducing air temperature.

In other embodiments, the end cover cavity may further be provided with an indoor-outdoor connecting air duct structure, and the electric water heater further includes an external circulation fan assembly detachably installed in the indoor-outdoor connecting air duct structure.

Optionally, the electric water heater may further include a control device, which is electrically connected to the inner circulation fan of the inner circulation fan assembly, the outer circulation fan of the outer circulation fan assembly, and the temperature adjustment device, respectively. and the control device is configured to dry and dehumidify the indoor environment by turning on the inner circulation fan, the outer circulation fan and the temperature adjustment device.

The electric water heater of the utility model is provided with an indoor circulating air duct structure, and the indoor circulating air duct structure is provided with an internal circulating fan assembly and a temperature adjustment device, and the temperature adjustment device can be used to increase the indoor temperature or reduce the indoor temperature. The hot water function can also provide a warm air function or a cold air function to provide a comfortable bathroom environment; and the internal circulation fan assembly and the temperature adjustment device are detachably installed in the indoor circulation air duct structure, which is convenient for users to disassemble and clean. In addition, the indoor circulating air duct structure is arranged in the end cover cavity, which separates the indoor circulating air duct structure from the hot water module through the end cover seat, preventing external water vapor from entering the hot water module through the indoor circulating air duct structure and affecting the hot water module. Normal operation, reasonable and reliable structure. In addition, the indoor circulating air duct structure is arranged in the end cover cavity, and the structure is reasonable and compact, which is suitable for being accommodated in a bathroom with a small space, and the user experience is good.

Other features and advantages of the present invention will be described in detail in the detailed description section that follows.

Description of drawings

The accompanying drawings are used to provide a further understanding of the present utility model, and constitute a part of the specification, and together with the following specific embodiments, are used to explain the present utility model, but do not constitute a limitation to the present utility model. In the attached image:

Figure 1 shows a schematic diagram of the internal structure of the electric water heater according to the first embodiment of the present invention;

Fig. 2 is the installation exploded view of the electric water heater of the first embodiment in Fig. 1;

Fig. 3 is the bottom view of the electric water heater of the first embodiment in Fig. 1;

Figure 4 shows a schematic diagram of the internal structure of the electric water heater according to the second embodiment of the present invention;

FIG. 5 is a partial installation exploded view of the electric water heater of the first embodiment in FIG. 4 .

Description of reference numerals

1 Water heater shell 11 Shell cavity

12 Internal circulation air outlet 13 Internal circulation air inlet

14 External circulation air outlet 15 External circulation air inlet

16 Air Duct 2 Hot Water Module

21 Inner tank 22 Heating element

23 Inlet pipe 24 Outlet pipe

25 Sewage pipe 3 End cap seat

31 End cap cavity 32 End cap seat peripheral wall opening

4 Internal circulation fan assembly 41 Air outlet end of internal circulation fan

42 Air guide connector 421 Hollow air guide groove

422 Ring skirt 43 Internal circulation fan base

44 Internal circulation fan cover 45 Internal circulation fan blades

46 Internal circulation motor 5 Temperature regulating device

6 Air guide module 7 External circulation fan assembly

71 External circulation fan base 72 External circulation fan cover

73 External circulation fan 74 External circulation motor

8 Deodorizing filter device 9 Negative ion generating device

Detailed ways

The specific embodiments of the present utility model will be described in detail below with reference to the accompanying drawings. It should be understood that the specific embodiments described herein are only used to illustrate and explain the present invention, and are not used to limit the present invention.

The following describes with reference to the accompanying drawings that the electric water heater according to the present invention can effectively improve the bathroom environment, has a reasonable and reliable structure, and is easy to disassemble and clean.

1 to 5 , the electric water heater of the present invention includes a water heater shell 1 , a hot water module 2 , an end cover seat 3 , an internal circulation fan assembly 4 and a temperature adjustment device 5 . The water heater shell 1 is provided with an end opening, the hot water module 2 is built in the shell cavity 11 of the water heater shell 1, and the end cover seat 3 closes the end opening and is recessed toward the shell cavity 11 to form an end cover cavity 31. The end cover cavity 31 An indoor circulating air duct structure is provided inside, and the internal circulating fan assembly 4 and the temperature adjusting device 5 are detachably installed in the indoor circulating air duct structure.

The bathroom is usually not only used as a space for bathing, but also as a toilet. In winter, the temperature is low, and in a bathroom without central heating, users will feel cold when they take a bath or go to the toilet. In hot summer, users will feel stuffy when cleaning or going to the toilet. The electric water heater of the present utility model is provided with an indoor circulating air duct structure. The indoor circulating air duct structure includes an internal circulating air inlet 13 and an internal circulating air outlet 12. The indoor air can enter the air duct of the indoor circulating air duct structure from the internal circulating air inlet 13. , and is discharged into the indoor environment from the internal circulation air outlet 12 . The indoor circulation air duct structure is provided with an inner circulation fan assembly 4 and a temperature adjustment device 5. The temperature adjustment device can be used to increase the indoor temperature or reduce the indoor temperature. In this way, the electric water heater not only provides hot water function, but also provides warm air function or cold air function. function to provide a comfortable bathroom environment. Moreover, if the inner circulation fan assembly 4 is used for a long time, the fan blades of the inner circulation fan assembly 4 are likely to accumulate dust or oil, which affects the air quality of the fan. The inner circulating fan assembly 4 and the temperature adjusting device 5 of the electric water heater of the present invention are detachably installed in the indoor circulating air duct structure, which is convenient for users to disassemble and clean. In addition, the indoor circulating air duct structure is arranged in the end cover cavity 31, which separates the indoor circulating air duct structure and the hot water module 2 through the end cover seat 3, so as to prevent external water vapor from entering the hot water module 2 through the indoor circulating air duct structure and affecting the The normal operation of the hot water module 2 has a reasonable and reliable structure. In addition, due to the limitation of the urban living area, the area of the bathroom is usually small, and it is impossible to set more electrical appliances in the bathroom at the same time. The indoor circulating air duct structure of the electric water heater of the present utility model is arranged in the end cover cavity 31, and the structure is reasonable and compact, and is suitable for being accommodated in a bathroom with narrow space, and the user experience is good.

Among them, as shown in Figures 1 and 4, the end opening of the water heater shell 1 is provided at the side end, the end cover seat 3 closes the side end opening of the water heater shell 1, and the internal circulation fan assembly 4 is provided at the lower part of the end cover cavity 31, However, the present invention is not limited thereto, the end opening of the water heater shell 1 can also be arranged at the upper end or the lower end, etc., and the inner circulation fan assembly 4 can also be arranged at other positions in the end cover cavity 31 .

Furthermore, the temperature adjustment device 5 includes a heating device for raising the air temperature and/or a cooling device for lowering the air temperature. That is, the temperature adjustment device 5 may be one of a heating device and a cooling device, or the temperature adjustment device 5 may include a heating device and a cooling device at the same time. Among them, the heating device is, for example, a PTC heater, which can heat up rapidly, can automatically control the temperature when the fan fails, and has a long service life; the cooling device can be, for example, a chip for cooling, or a cooling device such as a condenser. The following will illustrate some specific embodiments of the electric water heater when the temperature adjusting device 5 is a heating device.

Optionally, the inner circulation fan of the inner circulation fan assembly 4 may operate simultaneously with the heating device, or may not operate simultaneously with the heating device, that is, the inner circulation fan may operate independently. The inner circulation fan assembly 4 may further comprise an inner circulation fan base 43 and an inner circulation fan outer cover 44 on the inner circulation fan base 43, and the inner circulation fan is arranged in the cavity between the inner circulation fan base 43 and the inner circulation fan outer cover 44. The body also includes an inner circulation fan blade 45 and an inner circulation motor 46 that drives the inner circulation fan blade 45 to rotate.

Optionally, the main body of the internal circulation fan assembly 4 can be detachably installed on the inner peripheral wall of the end cover seat 3, and the peripheral wall of the end cover seat 3 is provided with an opening 32 in the peripheral wall of the end cover seat, and the inner circulation fan of the internal circulation fan assembly 4 exits. The wind end 41 is detachably inserted into the opening 32 of the peripheral wall of the end cover seat. When the inner circulation fan assembly 4 needs to be cleaned, the inner circulation fan assembly 4 can be taken out from the opening 32 of the peripheral wall of the end cover seat, which is convenient for installation and disassembly.

In addition, in order to further fix the inner circulation fan assembly 4 on the end cover seat 3, it can also be fastened by fasteners such as screws. the buckle connection, etc., the present invention is not limited to this.

Further, as shown in FIG. 2 , an air guide connector 42 with a hollow air guide groove 421 can be extended from the air outlet end 41 of the internal circulation fan. The device is installed in the hollow air guide groove 421 . In this way, the room temperature air blown out by the internal circulation fan assembly 4 can be turned into warm air or cold air after passing through the temperature adjustment device, and the temperature of the bathroom can be adjusted.

Further, in order to make all the warm air from the indoor circulating air duct structure blow into the room, and to prevent the warm air from entering other parts of the electric water heater and affecting the normal operation of the electronic components, see FIG. 2 , the air guide connector 42 An annular skirt portion 422 for heat insulation can be provided on the outer peripheral wall of the outer peripheral wall, and the annular skirt portion 422 acts as a stopper against the opening peripheral wall of the peripheral wall opening 32 of the end cover seat, thereby preventing the warm air from flowing back to other places. .

Since the bathroom is often used as a toilet, various odors and odors are usually mixed in the bathroom. In some embodiments, a deodorization module is added to the electric water heater to filter and deodorize the indoor air, so that the odor can be eliminated. expulsion effect.

After staying in a closed bathroom for a long time, people will feel dizzy and bloated, and there will be a feeling of lack of oxygen. When we come to places such as forests, seasides, waterfalls, etc., we will feel refreshed. This is the role of negative air ions. In this regard, in other embodiments, a negative ion module can be added to the electric water heater, so that it is more beneficial to people's health to add negative ions in a stuffy environment in a closed bathroom.

Wherein, in order to facilitate the maintenance of the deodorizing module and/or the negative ion module, the deodorizing module and/or the negative ion module are detachably installed in the indoor circulating air duct structure. In addition, in order to further reasonably simplify the structure of the electric water heater and improve the utilization rate of components, the deodorizing module and/or the negative ion module may share a fan with the internal circulation fan assembly 4 . Also, as shown in FIG. 5 , the deodorizing filter device 8 of the deodorizing module can be arranged at the upstream of the inner circulation fan of the inner circulation fan assembly 4 , and the negative ion generating device 9 of the negative ion module can be arranged in the inner circulation of the inner circulation fan assembly 4 . downstream of the fan.

Further, as shown in FIG. 3 , in order to adjust the air outlet direction of the inner circulation fan assembly 4 and improve the user experience, the water heater shell 1 is provided with an inner circulation air outlet 12 that communicates with the indoor circulation air duct structure. 12 is provided with a wind guide module 6 including a plurality of wind guide swing blades.

Furthermore, the hot water module 2 generally includes basic functional components such as a heating element 22 for heating a water source, an inner tank 21 , a water inlet pipe 23 , a water outlet pipe 24 and a sewage pipe 25 . Referring to FIG. 1 and FIG. 4 , the electric water heater of the present invention can be a dual-inner tank water heater, that is, the hot water module 2 includes two inner tanks 21 , and heating elements 22 are provided in the two inner tanks 21 , and the heating elements 22 One end is fixed to one side of the inner pot 21 , and the other end of the heating element 22 extends to the other side of the inner pot 21 .

After the user finishes bathing, the floor and walls of the bathroom are prone to accumulated water and condensed water. The existing bathroom is generally dehumidified by hygroscopic components or condensing dehumidification components. Lower; the cost of condensing dehumidification components is higher. In order to solve the above-mentioned pain points of dehumidification and achieve the purpose of high-efficiency dehumidification, in some embodiments, the electric water heater further includes an indoor-outdoor connecting air duct structure, and the external circulation fan assembly 7 is detachably installed in the indoor and outdoor connecting air duct structure. The indoor-outdoor connecting air duct structure includes an external circulation air inlet 15 and an external circulation air outlet 14. The indoor air can enter the air duct of the indoor and outdoor connecting air duct structure from the external circulation air inlet 15, and be discharged from the external circulation air outlet 14. In this way, the user can efficiently dry and dehumidify the indoor environment by turning on the inner circulation fan of the inner circulation fan assembly 4, the outer circulation fan of the outer circulation fan assembly 7, and the heating device. Specifically, the heating device can make the air outlet end of the internal circulation fan assembly 4 blow out hot air with a temperature higher than the ambient temperature of the bathroom, so that the accumulated water and condensed water in the bathroom can be quickly vaporized by the hot air, and the indoor and outdoor ventilation The duct structure discharges the air with high humidity to the outside, that is, the bathroom environment can be quickly dried through the outdoor exhaust and indoor air circulation, and the dehumidification efficiency is effectively improved.

Among them, the external circulation fan of the external circulation fan assembly 7 can operate at the same time with the internal circulation fan and the heating device, or it can not operate at the same time with the internal circulation fan and the heating device, that is, the external circulation fan can operate alone, which can directly discharge the indoor dirty air. outdoor. Optionally, the external circulation fan can be a forward-reversing fan, and the circulating fan can have both an exhaust function and a fresh air function to introduce fresh air from the outside into the room. Wherein, the forward-reverse motor can be a general-purpose conventional forward-reverse fan known to those skilled in the art, which will not be discussed here.

In addition, in order to make the volume of the electric water heater smaller, the indoor and outdoor connecting air duct structure and the indoor circulating air duct structure can be centrally arranged in the end cover cavity 31, so that the structure of the electric water heater is more reasonable and compact. In addition, the electric water heater may further include an air duct 16, one end of the air duct 16 is connected to the external circulation air outlet 14, and the other end of the air duct 16 is connected to the outdoor environment. The external circulation fan assembly 7 may further comprise an external circulation fan base 71 and an external circulation fan cover 72 buckled and covered on the external circulation fan base 71 , and the external circulation fan is arranged in the cavity between the external circulation fan base 71 and the external circulation fan cover 72 It also includes an outer circulation fan blade 73 and an outer circulation motor 74 that drives the outer circulation fan blade 73 to rotate.

Optionally, in order to make it easier for users to control various functions of the electric water heater, the electric water heater may further include a control device, and the control devices are respectively located in the hot water module 2, the inner circulation fan of the inner circulation fan assembly 4, and the outer circulation fan assembly 7. The external circulation fan and the temperature adjustment device 5 are electrically connected. Wherein, when the temperature adjustment device 5 is a heating device, the control device can be configured to dry and dehumidify the indoor environment by turning on the inner circulation fan of the inner circulation fan assembly 4, the outer circulation fan of the outer circulation fan assembly 7, and the heating device; or , the control device can also be configured to heat up the indoor environment by turning on the internal circulation fan of the internal circulation fan assembly 4 and the heating device; The foul air is discharged outdoors; alternatively, the control module can also be configured to control the hot water module 2 to provide the user with bath water and the like.

To sum up, it can be seen that the electric water heater of the present utility model can effectively improve the bathroom environment, and has a reasonable and reliable structure, which is convenient for disassembly and cleaning. In addition, the electric water heater can make full and reasonable use of various basic components to realize various functional modes, which can not only effectively improve the bathroom environment, provide a good user experience, but also obtain a multi-functional electric water heater with limited manufacturing costs. It caters well to the consumption and usage needs of consumers, and the products are more competitive.

In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "Back", "Left", "Right", "Vertical", "Horizontal", "Top", "Bottom", "Inside", "Outside", "Clockwise", "Counterclockwise", "Axial" The orientation or positional relationship indicated by , "radial direction", "circumferential direction", etc. are based on the orientation or positional relationship shown in the accompanying drawings, which are only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying the indicated device. Or the elements must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of the present invention.

In addition, the terms "first" and "second" are only used for descriptive purposes, and should not be construed as indicating or implying relative importance or implying the number of indicated technical features. Thus, a feature delimited with "first", "second" may expressly or implicitly include at least one of that feature. In the description of the present invention, "plurality" means at least two, such as two, three, etc., unless otherwise expressly and specifically defined.

In the present utility model, unless otherwise expressly specified and limited, the terms "installation", "connection", "connection", "fixed" and other terms should be understood in a broad sense, for example, it may be a fixed connection or a detachable connection Connection, or integration; it can be mechanical connection, electrical connection or communication with each other; it can be directly connected or indirectly connected through an intermediate medium, it can be the internal communication between two elements or the interaction relationship between the two elements , unless otherwise expressly qualified. For those of ordinary skill in the art, the specific meanings of the above terms in the present invention can be understood according to specific situations.

In the present invention, unless otherwise expressly specified and defined, a first feature "on" or "under" a second feature may be in direct contact with the first and second features, or the first and second features through an intermediary indirect contact. Also, the first feature being "above", "over" and "above" the second feature may mean that the first feature is directly above or obliquely above the second feature, or simply means that the first feature is level higher than the second feature. The first feature being "below", "below" and "below" the second feature may mean that the first feature is directly below or obliquely below the second feature, or simply means that the first feature has a lower level than the second feature.

In the description of this specification, description with reference to the terms "one embodiment," "some embodiments," "example," "specific example," or "some examples", etc., mean specific features described in connection with the embodiment or example , structure, material or feature is included in at least one embodiment or example of the present invention. In this specification, schematic representations of the above terms are not necessarily directed to the same embodiment or example. Furthermore, the particular features, structures, materials or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, those skilled in the art may combine and combine the different embodiments or examples described in this specification, as well as the features of the different embodiments or examples, without conflicting each other.

Although the embodiments of the present invention have been shown and described above, it should be understood that the above embodiments are exemplary and should not be construed as limitations of the present invention, and those of ordinary skill in the art are within the scope of the present invention Variations, modifications, substitutions and variations can be made to the above-described embodiments.

Claims (10)

1. An electric water heater, characterized in that it comprises:

a water heater housing having an end opening;

the hot water module is arranged in a shell cavity of the water heater shell;

the end cover seat seals the end opening and is sunken towards the shell cavity to form an end cover cavity, and an indoor circulating air duct structure is arranged in the end cover cavity; and

the indoor circulating air duct structure comprises an internal circulating fan assembly and a temperature adjusting device, wherein the internal circulating fan assembly and the temperature adjusting device are detachably mounted in the indoor circulating air duct structure.

2. The electric water heater according to claim 1, wherein the body of the internal circulation fan assembly is detachably mounted on the inner peripheral wall of the end cover seat, the peripheral wall of the end cover seat is provided with an opening of the peripheral wall of the end cover seat, and the air outlet end of the internal circulation fan assembly is detachably inserted into the opening of the peripheral wall of the end cover seat.

3. The electric water heater according to claim 2, wherein a wind guiding connector having a hollow wind guiding groove extends from the wind outlet end of the internal circulation fan, the wind guiding connector is inserted into the opening of the peripheral wall of the end cover base, and the temperature adjusting device is installed in the hollow wind guiding groove.

4. The electric water heater according to claim 3, wherein the outer peripheral wall of the air guide connector is provided with an annular skirt portion for heat insulation, and the annular skirt portion abuts as a stopper against an opening peripheral wall of the opening of the peripheral wall of the end cap base.

5. The electric water heater of claim 1, further comprising a deodorizing module removably mounted in the indoor circulating air duct structure, the deodorizing module sharing a fan with the internal circulating fan assembly.

6. The electric water heater of claim 1, further comprising an anion module removably mounted in the indoor circulating air duct structure, the anion module sharing a fan with the internal circulating fan assembly.

7. The electric water heater according to claim 1, wherein an internal circulation air outlet communicated with the indoor circulation air duct structure is formed in the water heater housing, and an air guide module comprising a plurality of air guide swing blades is arranged at the internal circulation air outlet.

8. The electric water heater according to claim 1, wherein the hot water module comprises two inner containers and two heating elements respectively located in the inner containers, and/or the temperature regulating device comprises a heating device for raising the temperature of the air and/or a cooling device for lowering the temperature of the air.

9. The electric water heater according to any one of claims 1-8, wherein an indoor and outdoor communicating air duct structure is further disposed in the end cover cavity, and the electric water heater further comprises an external circulation fan assembly detachably mounted in the indoor and outdoor communicating air duct structure.

10. The electric water heater according to claim 9, further comprising a control device electrically connected to the inner circulation fan of the inner circulation fan assembly, the outer circulation fan of the outer circulation fan assembly, and the temperature regulating device, respectively, the control device being configured to dry and dehumidify an indoor environment by turning on the inner circulation fan, the outer circulation fan, and the temperature regulating device.

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