Water heater

Abstract

The utility model provides a water heater. The water heater comprises a shell, the shell comprises a box body, the box body comprises a top plate, a back plate and a bottom plate which are sequentially arranged in the height direction, the top plate and the bottom plate are parallel to each other and are perpendicular to the back plate, and a containing cavity is defined by the top plate, the back plate and the bottom plate; the electric controller heat dissipation assembly is arranged in the containing cavity and fixed to the bottom plate, the electric controller heat dissipation assembly comprises a shell and a boss, the shell is fixed to the boss, a heat dissipation space separated from the containing cavity is defined by the shell and the boss, the heat dissipation space is used for containing an electric controller, and the electric controller is fixed to the inner wall of the shell; the boss protrudes out of the inner surface of the bottom plate in the height direction, the boss comprises a top wall and a side wall connected to the periphery of the top wall, a plurality of heat dissipation through holes are formed in the top wall, and the heat dissipation through holes communicate with the heat dissipation space and the exterior of the water heater. By setting the specific structure of the heat dissipation assembly of the electric controller, an independent heat dissipation environment is established for the electric controller, so that the reliability of components such as the electric controller is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to a water heater. BACKGROUND

[0002] The air of the conventional gas water heater enters from the outside of the double-layer flue pipe, the air temperature is increased by absorbing the heat of the flue gas, and the air successively passes through the high-temperature surfaces such as the smoke hood, the heat exchanger and the combustion chamber box from the top, and the air temperature continues to increase. Due to the sealing requirement of the gas water heater, the whole machine structure sealing causes the air with low temperature to be unable to be sucked from the outside of the gas water heater, and the heat dissipation of the electric control device can only rely on the convective heat exchange of the hot air to take away a little heat. If the gas water heater is burned at high power, the surface temperature of the smoke hood, the heat exchanger and the combustion chamber box is higher, the hot air has no positive influence on the heat dissipation of the electric control device, and even causes the temperature of the components to be higher, thereby affecting the reliability of the electric control device. SUMMARY

[0003] The utility model wants to solve the technical problem that the temperature of the components is higher due to the poor heat dissipation of the gas water heater, thereby affecting the reliability of the electric control device, and provides a water heater.

[0004] The utility model solves the above technical problem through the following technical scheme:

[0005] A water heater, characterized in that it comprises:

[0006] A shell comprising a box body, the box body comprises a top plate, a back plate and a bottom plate arranged in sequence along the height direction of the water heater, the top plate and the bottom plate are parallel to each other and are both arranged perpendicularly to the back plate, and the top plate, the back plate and the bottom plate form an accommodating cavity; and

[0007] An electric control device heat dissipation assembly arranged in the accommodating cavity and fixed to the bottom plate, the electric control device heat dissipation assembly comprises a shell and a boss, the shell is fixed to the boss, and the shell and the boss form a heat dissipation space separated from the accommodating cavity, the heat dissipation space is used for accommodating an electric control device, and the electric control device is fixed to the inner wall of the shell;

[0008] The boss protrudes from the inner surface of the bottom plate along the height direction, the boss comprises a top wall and a side wall connected to the peripheral edge of the top wall, a plurality of heat dissipation through holes are formed in the top wall, and the heat dissipation through holes communicate the heat dissipation space with the outside of the water heater.

[0009] In the technical solution, the specific structure of the electric control device heat dissipation assembly is arranged, that is, the heat dissipation space is arranged to be separated from the accommodating cavity and communicate with the outside of the water heater, an independent heat dissipation environment is established for the electric control device installed in the heat dissipation space, and the adverse effects of the whole machine sealing on the heat dissipation of the electric control device are avoided, thereby improving the reliability of the electric control device and other components in the heat dissipation space.

[0010] Preferably, the electric control device heat dissipation assembly further comprises a sealing component, which is arranged between the shell and the boss.

[0011] In the technical solution, the sealing component is arranged to completely seal the shell and the boss, so that the heat dissipation space and the accommodating cavity are better separated.

[0012] Preferably, the electric control device heat dissipation assembly further comprises a positioning assembly, which comprises a first positioning part and a second positioning part matched with each other, the first positioning part is arranged on the boss, and the second positioning part is arranged on the shell.

[0013] In the technical solution, the first positioning part and the second positioning part matched with each other are arranged, so that the shell and the boss are conveniently assembled.

[0014] Preferably, the first positioning part is a positioning protrusion, and the second positioning part is a positioning groove; or,

[0015] The first positioning part is a positioning groove, and the second positioning part is a positioning protrusion.

[0016] In the technical solution, the specific arrangement mode of the first positioning part and the second positioning part is provided by the above arrangement.

[0017] Preferably, the electric control device comprises a high-temperature area and a low-temperature area, the temperature of the high-temperature area is higher than that of the low-temperature area.

[0018] The electric control device heat dissipation assembly further comprises a heat dissipation guide arranged in the heat dissipation space, one side of the heat dissipation guide is connected to part of the periphery of the heat dissipation through hole, the heat dissipation guide and the surface of the top wall form a heat conduction channel in communication with the heat dissipation through hole, and the opening of the heat conduction channel is arranged to face the high-temperature area.

[0019] In the technical solution, the heat dissipation guide is arranged to form the heat conduction channel in communication with the heat dissipation through hole, so that the high-temperature area of the electric control device can be better heat dissipated, and the cooling of the high-temperature area and the low-temperature area is balanced.

[0020] Preferably, the heat dissipation guide covers the heat dissipation through hole in the projection along the height direction.

[0021] In the technical solution, the heat dissipation guide covers the heat dissipation through hole in the projection along the height direction, that is, the entire heat dissipation through hole is shielded by the heat dissipation guide along the height direction, so that a more complete heat conduction channel is formed, and the temperature reduction of the high-temperature area and the low-temperature area is better balanced.

[0022] Preferably, the height of the heat dissipation guide protruding from the upper surface of the top wall of the boss along the height direction is 4-6 mm.

[0023] In the technical solution, the height of the heat dissipation guide protruding from the upper surface of the top wall of the boss along the height direction is within a certain range, on the one hand, the height is not too low to form an effective heat conduction channel, and on the other hand, the height is not too high to affect the overall strength of the heat dissipation guide and the accommodation space of the heat dissipation space.

[0024] Preferably, the height of the boss protruding from the inner surface of the bottom plate along the height direction is 10-15 mm.

[0025] In the technical solution, the height of the boss protruding from the inner surface of the bottom plate along the height direction is within a certain range, on the one hand, the height is not too low to prevent the condensed water accumulated on the bottom plate from soaking the sealing component sealed between the shell and the boss for a long time, causing the aging of the sealing component and affecting the sealing effect, and on the other hand, the height is not too high to occupy too much space.

[0026] Preferably, along the height direction, from the direction close to the bottom plate to the direction away from the bottom plate, the side wall of the boss extends obliquely towards the center of the top wall of the boss.

[0027] The included angle between the side wall of the boss and the bottom plate is 100-135 degrees.

[0028] In the technical solution, along the height direction, from the direction close to the bottom plate to the direction away from the bottom plate, the side wall of the boss extends obliquely towards the center of the top wall of the boss, that is, the side wall of the boss is obliquely arranged, which can guide the condensed water accumulated in the water heater. By setting the included angle between the side wall of the boss and the bottom plate within a certain range, on the one hand, the included angle is not too small to be unfavorable for the process forming of the boss, and on the other hand, the included angle is not too large to affect the ventilation area of the heat dissipation through hole.

[0029] Preferably, the boss and the bottom plate are integrally formed.

[0030] In the technical solution, the boss is integrally formed with the bottom plate, which is beneficial to form a closed structure of the water heater and enhance the overall structural strength.

[0031] The positive progress effect of the utility model lies in that:

[0032] The utility model discloses a specific structure of the electric control radiator assembly, that is, by setting up the heat dissipation space which is separated from the containing cavity and simultaneously communicates with the outside of the water heater, an independent heat dissipation environment is established for the electric control installed in the heat dissipation space, the adverse effect of the whole machine sealing on the electric control is avoided, and the reliability of the electric control and other components in the heat dissipation space is improved. BRIEF DESCRIPTION OF DRAWINGS

[0033] Figure 1 It is a three-dimensional structure schematic view of the water heater of a preferred embodiment of the utility model.

[0034] Figure 2 It is a bottom structure schematic view of the water heater of a preferred embodiment of the utility model.

[0035] Figure 3 It is a partial three-dimensional structure schematic view (one) of the water heater of a preferred embodiment of the utility model.

[0036] Figure 4 It is a partial three-dimensional structure schematic view (two) of the water heater of a preferred embodiment of the utility model.

[0037] Figure 5 It is Figure 4 A partial enlarged view of A part.

[0038] Figure 6 It is a partial sectional structure schematic view of the water heater of a preferred embodiment of the utility model.

[0039] Figure 7 It is Figure 6 A partial enlarged view of B part.

[0040] Figure 8 It is a three-dimensional structure schematic view of the shell of the electric control radiator assembly of a preferred embodiment of the utility model.

[0041] Figure 9 It is a three-dimensional structure schematic view of the sealing component of the electric control radiator assembly of a preferred embodiment of the utility model.

[0042] REFERENCE SIGNS

[0043] Water heater 1

[0044] Housing 10

[0045] Box 11

[0046] Top plate 111

[0047] Back plate 112

[0048] Bottom plate 113

[0049] Receiving cavity 12

[0050] Mask 13

[0051] Panel 131

[0052] Side plate 132

[0053] Electric control radiator assembly 20

[0054] Shell 21

[0055] Mounting hole 211

[0056] Screw hole 212

[0057] Boss 22

[0058] Top wall 221

[0059] Radiator through hole 2211

[0060] Side wall 222

[0061] Radiator space 23

[0062] Sealing component 24

[0063] First positioning part 251

[0064] Second positioning part 252

[0065] Radiator guide 26

[0066] Thermal conduction channel 27

[0067] Opening 271

[0068] Smoke collecting cover 30

[0069] Heat exchanger 40

[0070] Combustion chamber box 50

[0071] Height h1 of the radiator guide protruding from the top surface of the top wall of the boss

[0072] Height h2 of the boss protruding from the inner surface of the bottom plate

[0073] Angle α between the side wall of the boss and the bottom plate

[0074] height direction H DETAILED DESCRIPTION

[0075] The embodiments of the present application are described in detail below, examples of which are shown in the drawings, wherein the same or similar notations represent the same or similar elements or elements having the same or similar functions throughout. The embodiments described below by reference to the drawings are exemplary and are intended to explain the present application, and cannot be understood as a limitation of the present application, and all other embodiments obtained by those skilled in the art without creative labor on the basis of the embodiments in the present application fall within the scope of protection of the present application.

[0076] In the description of the present application, it should be understood that the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "circumferential", "radial" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and therefore cannot be understood as indicating or implying that the devices or elements indicated must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation of the present application.

[0077] In addition, the terms "first", "second" are only for descriptive purposes and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined with "first", "second" can explicitly or implicitly include one or more of the features. In the description of the present application, the meaning of "multiple" is two or more, unless otherwise specifically limited.

[0078] In the prior art, due to the sealing structure of the gas water heater 1, the electric control device does not have a good heat dissipation environment, and can only rely on the air sucked from the double-layer flue to take away the heat, and the air passing through the flue, the smoke hood, the heat exchanger and the combustion chamber box will increase the temperature of the air, which is not conducive to the heat dissipation of the electric control device.

[0079] As shown in Figures 1 to 9 The present embodiment discloses a water heater 1. The water heater 1 comprises a shell 10 and an electric control device heat dissipation assembly 20.

[0080] The shell 10 comprises a box body 11, the box body 11 comprises a top plate 111, a back plate 112 and a bottom plate 113 arranged in sequence along the height direction H of the water heater 1, the top plate 111 and the bottom plate 113 are parallel to each other and are both arranged vertically to the back plate 112, and the top plate 111, the back plate 112 and the bottom plate 113 are arranged to form a containing cavity 12.

[0081] The electric controller heat dissipation assembly 20 is arranged in the accommodating cavity 12 and is fixed on the bottom plate 113. The electric controller heat dissipation assembly 20 comprises a shell 21 and a boss 22. The shell 21 is fixed on the boss 22. The shell 21 and the boss 22 form a heat dissipation space 23 which is separated from the accommodating cavity 12. The heat dissipation space 23 is used for accommodating the electric controller. The electric controller is fixed on the inner wall of the shell 21.

[0082] The boss 22 protrudes from the inner surface of the bottom plate 113 along the height direction H. The boss 22 comprises a top wall 221 and a side wall 222 connected to the peripheral edge of the top wall 221. A plurality of heat dissipation through holes 2211 are arranged on the top wall 221. The heat dissipation through holes 2211 are connected between the heat dissipation space 23 and the outside of the water heater 1.

[0083] In this way, by arranging the specific structure of the electric controller heat dissipation assembly 20, that is, by arranging the heat dissipation space 23 which is separated from the accommodating cavity 12 and is connected to the outside of the water heater 1, an independent heat dissipation environment is established for the electric controller installed in the heat dissipation space 23. The adverse effects of the whole machine sealing on the heat dissipation of the electric controller are avoided. Therefore, the reliability of the electric controller and other components in the heat dissipation space 23 is improved. In addition, by arranging the boss 22 which protrudes from the inner surface of the bottom plate 113 along the height direction H, the electric controller and other components in the heat dissipation space 23 are prevented from contacting the condensed water accumulated on the bottom plate 113 inside the water heater 1. The reliability of the electric controller and other components is ensured. It should be noted that the inner surface of the bottom plate 113 is the surface of the bottom plate 113 facing the accommodating cavity 12. The outer surface of the bottom plate 113 is the surface of the bottom plate 113 away from the accommodating cavity 12.

[0084] The electric controller heat dissipation assembly 20 further comprises a sealing component 24. The sealing component 24 is arranged between the shell 21 and the boss 22. In this way, by arranging the sealing component 24, the shell 21 and the boss 22 are completely sealed. The heat dissipation space 23 and the accommodating cavity 12 are better separated.

[0085] The electric controller heat dissipation assembly 20 further comprises a positioning assembly. The positioning assembly comprises a first positioning part 251 and a second positioning part 252 which cooperate with each other. The first positioning part 251 is arranged on the boss 22. The second positioning part 252 is arranged on the shell 21. In this way, by arranging the first positioning part 251 and the second positioning part 252 which cooperate with each other, the assembly of the shell 21 and the boss 22 is facilitated.

[0086] Specifically, in the present embodiment, the first positioning part 251 is a positioning protrusion (please refer to Figure 8 ), and the second positioning part 252 is a positioning groove (please refer to Figure 5 ), but is not limited thereto. In other embodiments, the first positioning part 251 can be a positioning groove, and the second positioning part 252 can be a positioning protrusion.

[0087] The electric control device comprises a high-temperature region and a low-temperature region, the temperature of the high-temperature region is higher than that of the low-temperature region; the heat dissipation assembly 20 further comprises a heat dissipation guide 26, the heat dissipation guide 26 is arranged in the heat dissipation space 23, and one side of the heat dissipation guide 26 is connected to a part of the periphery of the heat dissipation through hole 2211; the heat dissipation guide 26 and the surface of the top wall 221 form a heat conduction channel 27 in communication with the heat dissipation through hole 2211, and the opening 271 of the heat conduction channel 27 is arranged to face the high-temperature region. In this way, by arranging the heat dissipation guide 26 to form the heat conduction channel 27 in communication with the heat dissipation through hole 2211, the high-temperature region of the electric control device can be better cooled, so that the cooling of the high-temperature region and the low-temperature region is balanced.

[0088] Preferably, the heat dissipation guide 26 covers the heat dissipation through hole 2211 in the height direction H. In this way, by arranging the heat dissipation guide 26 to cover the heat dissipation through hole 2211 in the height direction H, that is, the entire heat dissipation through hole 2211 is shielded by the heat dissipation guide 26 in the height direction H, a more complete heat conduction channel 27 can be formed, and the cooling of the high-temperature region and the low-temperature region can be better balanced.

[0089] The number of heat dissipation through holes 2211 is multiple, and the multiple heat dissipation through holes 2211 are arranged at equal intervals to facilitate the uniformity of heat dissipation. The heat dissipation guide 26 corresponds to the heat dissipation through hole 2211 one by one. In the embodiment, the number of heat dissipation through holes 2211 is eight, but is not limited thereto, and in other embodiments, the number of heat dissipation through holes 2211 can also be two, three, four or other values.

[0090] In the embodiment, the shape of the heat dissipation through hole 2211 is a long strip shape to facilitate processing and have a larger flow area. However, the shape of the heat dissipation through hole 2211 can also be other shapes in other embodiments.

[0091] Preferably, the height h1 of the heat dissipation guide 26 protruding from the upper surface of the top wall 221 of the boss 22 in the height direction H is 4mm-6mm. In this way, by arranging the height h1 of the heat dissipation guide 26 protruding from the upper surface of the top wall 221 of the boss 22 in the height direction H to be within the range of 4mm-6mm, on the one hand, the height h1 is not too low to form an effective heat conduction channel 27; on the other hand, the height h1 is not too high to affect the overall strength of the heat dissipation guide 26 and the accommodation space of the heat dissipation space 23.

[0092] Preferably, the height h2 of the boss 22 protruding from the inner surface of the bottom plate 113 along the height direction H is 10-15 mm. In this way, by setting the height h2 of the boss 22 protruding from the inner surface of the bottom plate 113 along the height direction H within the range, on the one hand, the height h2 is prevented from being too low to prevent the long-term immersion of the condensed water accumulated on the bottom plate 113 to the sealing component 24 sealed between the shell 21 and the boss 22, which causes the aging of the sealing component 24 and affects the sealing effect; on the other hand, the height h2 is prevented from being too high to occupy too much space.

[0093] Preferably, the side wall 222 of the boss 22 extends obliquely towards the center of the top wall 221 of the boss 22 from the direction close to the bottom plate 113 to the direction away from the bottom plate 113 along the height direction H. In this way, the side wall 222 of the boss 22 extends obliquely towards the center of the top wall 221 of the boss 22 from the direction close to the bottom plate 113 to the direction away from the bottom plate 113 along the height direction H, that is, the side wall 222 of the boss 22 is obliquely arranged, which can guide the condensed water accumulated inside the water heater 1.

[0094] Preferably, the angle α between the side wall 222 of the boss 22 and the bottom plate 113 is 100-135 degrees. In this way, by setting the angle α between the side wall 222 of the boss 22 and the bottom plate 113 within the range, on the one hand, the angle α is prevented from being too small to be not conducive to the process forming of the boss 22, and on the other hand, the angle α is prevented from being too large to affect the ventilation area of the heat dissipation hole 2211. Specifically, the bottom of the box body 11 is stretched by a mold to arrange the boss 22 and the bottom plate 113 on two different planes.

[0095] Preferably, the boss 22 is integrally formed with the bottom plate 113. In this way, by integrally forming the boss 22 with the bottom plate 113, it is more conducive to forming the sealed structure of the water heater 1 and enhancing the overall structural strength.

[0096] The side wall of the shell 21 is provided with a mounting hole 211 for the wires connected with the electric control device to pass through, and the wires are clamped in the mounting hole 211, that is, there is no gap between the outer periphery of the wires and the inner wall of the mounting hole 211, so as to prevent the hot air in the containing cavity 12 from entering the heat dissipation space 23 through the gap between the wires and the mounting hole 211.

[0097] The shell 21 is fixed to the boss 22 by four screws, specifically, the four screws pass through the through holes on the bottom plate 113 and cooperate with the screw holes 212 on the shell 21 to lock the shell 21 to the boss 22.

[0098] In the embodiment, the shell 10 further comprises a mask 13, which is arranged outside the box 11, the box 11 is a sheet metal frame structure, which contains various components of the water heater 1, such as the fume hood 30, the heat exchanger 40, the combustion chamber box 50 and the like, the mask 13 is a sheet metal structure, which comprises a panel 131 and two side plates 132, the panel 131 is arranged towards the user, and the two side plates 132 are respectively connected to the two sides of the panel 131, the mask 13 covers the box 11, so as to protect the components inside and facilitate maintenance.

[0099] The water heater 1 of the embodiment can be a gas water heater or an electric water heater.

[0100] The water heater 1 of the embodiment establishes an independent heat dissipation environment for the electric controller installed in the heat dissipation space 23 by arranging the specific structure of the electric controller heat dissipation assembly 20, that is, by arranging the heat dissipation space 23 which is separated from the containing cavity 12 and simultaneously communicates with the outside of the water heater 1, so as to avoid the adverse effects of the whole machine sealing on the heat dissipation of the electric controller, thereby improving the reliability of the electric controller and the like components located in the heat dissipation space 23. Moreover, by arranging the boss 22 which protrudes from the inner surface of the bottom plate 113 in the height direction H, the electric controller and the like components located in the heat dissipation space 23 can be prevented from contacting the condensed water accumulated on the bottom plate 113 inside the water heater 1, so as to ensure the reliability of the electric controller and the like components.

[0101] Although the specific embodiments of the utility model are described above, those skilled in the art should understand that this is only an example, the protection scope of the utility model is defined by the appended claims. Those skilled in the art can make various changes or modifications to these embodiments without departing from the principles and essence of the utility model, but these changes and modifications all fall within the protection scope of the utility model.

Claims

1. A water heater, characterized by, It includes: The shell includes a box body, the box body includes a top plate, a back plate and a bottom plate arranged in sequence along the height direction of the water heater, the top plate and the bottom plate are parallel to each other and are arranged vertically with the back plate, and the top plate, the back plate and the bottom plate form an accommodating cavity; And, The electric control radiator assembly is arranged in the accommodating cavity and fixed on the bottom plate, the electric control radiator assembly includes a shell and a boss, the shell is fixed on the boss, and the shell and the boss form a heat dissipation space separated from the accommodating cavity, the heat dissipation space is used for accommodating an electric control device, and the electric control device is fixed on the inner wall of the shell; The boss protrudes from the inner surface of the bottom plate along the height direction, the boss includes a top wall and a side wall connected to the periphery of the top wall, a plurality of heat dissipation through holes are formed in the top wall, and the heat dissipation through holes are communicated with the heat dissipation space and the outside of the water heater.

2. The water heater of claim 1, wherein The electric control radiator assembly further includes a sealing component, and the sealing component is clamped between the shell and the boss.

3. The water heater of claim 1, wherein The electric control radiator assembly further includes a positioning assembly, the positioning assembly includes a first positioning part and a second positioning part matched with each other, the first positioning part is arranged on the boss, and the first positioning part is arranged on the shell.

4. The water heater of claim 3, wherein the controller is configured to: The first positioning part is a positioning protrusion, and the second positioning part is a positioning groove; or, The first positioning part is a positioning groove, and the second positioning part is a positioning protrusion.

5. The water heater of claim 1, wherein The electric control device includes a high-temperature area and a low-temperature area, the temperature of the high-temperature area is higher than that of the low-temperature area; The electric control radiator assembly further includes a heat dissipation guide, the heat dissipation guide is arranged in the heat dissipation space, one side of the heat dissipation guide is connected to part of the periphery of the heat dissipation through hole, the heat dissipation guide and the surface of the top wall form a heat conduction channel communicated with the heat dissipation through hole, and the opening of the heat conduction channel is arranged towards the high-temperature area.

6. The water heater of claim 5, wherein the controller is configured to: The orthogonal projection of the heat dissipation guide along the height direction covers the heat dissipation through hole.

7. The water heater of claim 5, wherein the heater is a gas burner. Along the height direction, the height of the heat dissipation guide protruding from the upper surface of the top wall of the boss is 4mm-6mm.

8. The water heater of claim 1, wherein Along the height direction, the height of the boss protruding from the inner surface of the bottom plate is 10mm-15mm.

9. The water heater of claim 1, wherein Along the height direction, from the direction close to the bottom plate to the direction away from the bottom plate, the side wall of the boss extends obliquely towards the center of the top wall of the boss; The included angle between the side wall of the boss and the bottom plate is 100 degrees-135 degrees.

10. The water heater of any one of claims 1-9, wherein, The boss and the bottom plate are integrally formed.

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