CN212902054U - Remote controller and water heater - Google Patents

Abstract

The utility model relates to a remote controller and water heater, this remote controller includes: the charging device comprises a shell, a charging device and a control circuit, wherein the shell is provided with an installation cavity and a charging hole communicated with the installation cavity, and is provided with a display area; the rechargeable battery is arranged in the mounting cavity; and the electric control module comprises an electric control board and a display screen arranged on the electric control board, the display screen is arranged corresponding to the display area, the display screen and the rechargeable battery are electrically connected with the electric control board, and the electric control module is provided with a charging connector which is in butt joint with the charging hole. The remote controller of this scheme can realize the function of charging, can reduce user use cost, still possesses the demonstration function simultaneously, can make the user know domestic appliance's operating condition directly perceivedly, promotes the convenience of use.

Description

Remote controller and water heater

Technical Field

The utility model relates to a remote control technical field especially relates to a remote controller and water heater.

Background

With the increasing popularity of remote control technology, the demand of users for remote control of household appliances (such as water heaters and air conditioners) is also increasing. Household appliances on the market provide various remote control schemes convenient for users to use, such as providing corresponding APP for users to remotely control on mobile phones or other mobile terminals, or providing remote controllers capable of realizing remote control.

For the remote controller, the use is more frequent, and the power consumption is also larger. However, most of the remote controllers on the market use dry batteries, so that a user needs to frequently replace the batteries, the use cost of the user is increased, and the remote controllers are not environment-friendly; in addition, most of the remote controllers on the market do not have a display function, so that a user cannot visually know the working state of the household appliance, and the remote controllers are very inconvenient to use.

SUMMERY OF THE UTILITY MODEL

The utility model provides a first technical problem will provide a remote controller, can realize the function of charging, can reduce user's use cost, still possess simultaneously and show the function, can make the user know domestic appliance's operating condition directly perceivedly, promote the convenience of use.

The utility model aims to provide a second technical problem provides a water heater, and this water heater disposes the remote controller that can realize remote control, and this remote controller can realize the function of charging, can reduce user use cost, still possesses the display function simultaneously, can make the user know domestic appliance's operating condition directly perceivedly, promotes the convenience of use.

The first technical problem is solved by the following technical scheme:

the charging device comprises a shell, a charging device and a control circuit, wherein the shell is provided with an installation cavity and a charging hole communicated with the installation cavity, and is provided with a display area;

the rechargeable battery is arranged in the mounting cavity; and

the electronic control module comprises an electronic control board and a display screen arranged on the electronic control board, the display screen corresponds to the display area, the display screen and the rechargeable battery are electrically connected with the electronic control board, and the electronic control module is provided with a charging connector which is in butt joint with the charging hole.

Remote controller, compare produced beneficial effect with the background art: the remote controller adopts the rechargeable battery to replace the traditional dry battery, and can realize the charging function, thereby avoiding the frequent replacement of the battery by a user, reducing the use cost of the user and being more environment-friendly; meanwhile, the remote controller does not need to replace a battery, and the waterproof performance of the whole remote controller can be effectively prevented from being reduced due to repeated disassembly and assembly of the shell. In addition, the remote controller also has a display function, so that a user can intuitively know the working state of the household appliance, and the use convenience is improved.

In one embodiment, the rechargeable battery comprises a battery body and a lead, one end of the lead is connected with the battery body and conducted, the other end of the lead is provided with a plug terminal, the electric control board is provided with a socket which is used for being plugged with the plug terminal and conducted, and the charging connector is arranged on the electric control board.

In one embodiment, the charging connector comprises a wiring portion, a counter bore communicated with the charging hole is formed in the inner wall surface of the shell, a first step is arranged between the counter bore and the charging hole, the wiring portion is accommodated in the counter bore and abuts against the first step, and the charging connector is hermetically connected with the inner wall surface of the shell through a first sealing element.

In one embodiment, the housing is provided with a call button for triggered cooperation with the electronic control module.

In one embodiment, the casing is provided with a through hole corresponding to the control key of the electric control board, the call button comprises a button body and a flexible pad, the flexible pad is connected with the inner wall surface of the casing in a sealing mode and covers the inner port of the through hole, and the button body is movably arranged in the through hole and connected with the flexible pad in a sealing mode.

In one embodiment, the remote controller further comprises a fixed seat, and the fixed seat is detachably connected with the shell.

In one embodiment, the housing is provided with a first magnetic attraction piece, the fixing seat is provided with a second magnetic attraction piece, and the first magnetic attraction piece and the second magnetic attraction piece are in magnetic attraction fit.

In one embodiment, the housing includes a housing body, a bottom cover and a face cover, the housing body is in a cylindrical shape with two open ends, the bottom cover and the face cover are respectively sealed to the two open ends of the housing body, the rechargeable battery is mounted on the bottom cover, the electronic control board is located on one side of the rechargeable battery away from the bottom cover, the display screen is located on one side of the electronic control board close to the face cover, the display area is located on the face cover, and the charging hole is located in the housing body.

In one embodiment, one of the case body and the bottom cover is provided with a sealing groove, the other one is provided with a sealing protrusion, a second sealing element is arranged in the sealing groove, and the sealing protrusion is accommodated in the sealing groove and compresses the second sealing element.

The second technical problem is solved by the following technical solutions:

a water heater comprising a remote control as described above.

Water heater, compare produced beneficial effect with the background art: because the water heater of this application includes as above-mentioned remote controller, its technical effect is brought by the remote controller, and is the same with the beneficial effect of remote controller, no longer gives unnecessary details here.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this application, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification.

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

Fig. 1 is an exploded schematic view of a remote controller according to an embodiment of the present invention;

FIG. 2 is a schematic cross-sectional view of the remote controller shown in FIG. 1;

FIG. 3 is an enlarged view of a portion of FIG. 2 at A;

FIG. 4 is an enlarged view of a portion of FIG. 2 at B;

FIG. 5 is a cross-sectional view of an assembled structure of the call button and the housing according to an embodiment;

fig. 6 is a schematic view of a connection structure between a rechargeable battery and an electronic control module according to an embodiment;

FIG. 7 is a cross-sectional view of a bottom cover according to an embodiment;

fig. 8 is a schematic cross-sectional view of a fixing base according to an embodiment.

10. A housing; 101. a mounting cavity; 102. a charging hole; 103. a first step; 104. a second step; 11. a housing body; 111. a sealing groove; 12. a bottom cover; 121. a base plate; 1211. a sealing protrusion; 1212. a support portion; 1213. a limiting part; 1214. fixing a column; 122. pressing a plate; 13. a face cover; 20. a rechargeable battery; 21. a battery body; 22. a lead wire; 221. a plug terminal; 30. an electronic control module; 31. an electric control board; 311. a charging connector; 3111. a wiring portion; 312. a socket; 32. a display screen; 40. a first seal member; 50. a call button; 51. a button body; 52. a flexible pad; 60. a fixed seat; 61. a sticker; 70. a first magnetic attraction member; 80. a second magnetic attraction member; 90. a second seal.

Detailed Description

In order to make the above objects, features and advantages of the present invention more comprehensible, embodiments of the present invention are described in detail below with reference to the accompanying drawings. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. The present invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein, as those skilled in the art will be able to make similar modifications without departing from the spirit and scope of the present invention.

The application provides a remote controller, and in particular relates to a remote controller capable of remotely controlling household appliances. Specifically, the remote controller comprises a wireless communication module electrically connected with the control system of the household appliance, information transmission can be realized through the wireless communication module, and a user only needs to remotely control the remote controller to conveniently control the working state of the household appliance. The wireless communication module comprises but is not limited to a WIFI module, a Bluetooth module or an infrared module. The household appliances include, but are not limited to, a water heater, an air conditioner or other appliances requiring remote control. For example, in the present embodiment, the remote controller is specifically a remote controller that can be used to remotely control a water heater. The following describes a specific embodiment of the remote controller in detail.

Referring to fig. 1 and 2, a remote controller according to an embodiment of the present invention includes a housing 10, a rechargeable battery 20, and an electronic control module 30. The shell 10 is provided with a mounting cavity 101 and a charging hole 102 communicated with the mounting cavity 101, and the shell 10 is provided with a display area; the rechargeable battery 20 is arranged in the mounting cavity 101; electronic control module 30 includes automatically controlled board 31 and locates the display screen 32 on automatically controlled board 31, and display screen 32 corresponds to the display area setting, and display screen 32 and rechargeable battery 20 all with automatically controlled board 31 electric connection, and electronic control module 30 is equipped with the joint 311 that charges with the butt joint of hole 102 that charges. Specifically, the charging connector 311 may be disposed on the electronic control board 31; or the charging connector 311 may be provided independently.

The sealed installation cavity 102 formed inside the housing 10 can provide a corresponding installation space for the rechargeable battery 20 and the electronic control module 30 and other electronic components, and can protect the internal electronic components. Optionally, the housing 10 is made of plastic, so that signal shielding can be avoided. The shape of the housing 10 can be designed according to actual needs, and for example, it can be cylindrical, rectangular, etc. For example, in the present embodiment, the housing 10 is a cylinder with a small height, and has a small overall structure and an attractive appearance, which is convenient for a user to hold. Rechargeable battery 20 is as the power supply main part of remote controller to guarantee the normal use of remote controller, electronic control module 30 is used for receiving operator's instruction, and sends corresponding signal to domestic appliance's control system, and it can be understood that electronic control module 30 is including being used for realizing the wireless communication module of information transmission, and wireless communication module includes but not limited to adopts WIFI module, bluetooth module or infrared ray module etc.. The rechargeable battery 20 includes, but is not limited to, a lithium battery, a nickel metal hydride battery, and the like. It is understood that, in order to realize the charging function, the electronic control board 31 is provided with a charging circuit and a discharging circuit respectively. The specific operating principles for battery charging are well known to those skilled in the art and will not be described in detail herein.

Specifically, when the remote controller is used for a water heater, the operating state of the water heater and/or the remote controller can be displayed through the display screen 32 (for example, the temperature, the time, the electric quantity and the like can be displayed). The user can clearly observe the contents displayed on the display screen 32 through the display area on the casing 10, so that the user can conveniently regulate and control the water heater according to the needs of the user. Optionally, the display screen 32 is a touch display screen, and a user can slightly press a side of the housing 10 opposite to the display screen 32 to operate the remote controller. The operation is simple and convenient. When the electric quantity of the remote controller is insufficient, the electric control module 30 is connected with an external power supply through the external power line of the charging hole 102, the external power supply is conducted with the rechargeable battery 20 through the electric control module 30 to form a charging loop, and then the charging function can be realized. In addition, the battery cover needs to be opened when the dry battery is replaced by the traditional remote controller, so that the waterproof performance of the whole remote controller is reduced after repeated assembly and disassembly, the battery does not need to be replaced by the remote controller, and the problem can be effectively avoided.

The utility model discloses a remote controller compares produced beneficial effect with the background art: the remote controller adopts the rechargeable battery 20 to replace the traditional dry battery, so that the charging function can be realized, the frequent replacement of the battery by a user can be avoided, the use cost of the user is reduced, and the remote controller is more environment-friendly; meanwhile, the remote controller does not need to replace a battery, and the waterproof performance of the whole remote controller can be effectively prevented from being reduced due to repeated disassembly and assembly of the shell 10. In addition, the remote controller also has a display function, so that a user can intuitively know the working state of the household appliance, and the use convenience is improved.

Further, referring to fig. 6, in the present embodiment, the rechargeable battery 20 includes a battery body 21 and a lead 22, one end of the lead 22 is connected to and conducted with the battery body 21, the other end of the lead 22 is provided with a plug terminal 221, the electronic control board 31 is provided with a socket 312 for being plugged into and conducted with the plug terminal 221, and the charging connector 311 is provided on the electronic control board 31. During assembly, the plug terminal 221 is plugged into the socket 312, so that the rechargeable battery 20 and the electronic control module 30 can be electrically connected, and the operation is simple and convenient.

The remote controller is flexible in placement position and can be placed in a living room, a bathroom and the like, so that the remote controller is required to have good waterproof performance so as to be suitable for different use environments. For example, a remote controller for a water heater is usually placed in a wet environment such as a bathroom for a long time, and the overall waterproof performance of the remote controller is very important in order to avoid the risks of water inflow, short circuit of electrical appliances and the like.

In order to ensure the waterproof performance of the charging hole 102, please refer to fig. 2 and fig. 3, in this embodiment, the charging connector 311 includes a wire connection portion 3111, the inner wall surface of the housing 10 is provided with a counter bore communicated with the charging hole 102, a first step 103 is disposed between the counter bore and the charging hole 102, the wire connection portion 3111 is accommodated in the counter bore and abuts against the first step 103, and the charging connector 311 is hermetically connected to the inner wall surface of the housing 10 through a first sealing member 40. The first step 103 abuts against the end surface of the wire connecting portion 3111, so that the charging connector 311 can be positioned, and meanwhile, the first sealing member 40 can be used for sealing the charging connector 311 and the inner wall surface of the housing 10, so that external water flow is prevented from entering the mounting cavity 101 from a gap between the housing 10 and the charging connector 311.

Specifically, as shown in fig. 3, the first sealing member 40 is annular and is adapted to the outer contour of the wire connection portion 3111, the first sealing member 40 is sleeved on the outer periphery of the wire connection portion 3111, the charging connector 311 has a flange protruding out of the outer periphery of the wire connection portion 3111, the inner wall surface of the housing 10 is provided with a second step 104 opposite to the flange, and the first sealing member 40 is co-extruded through the flange and the second step 104, so that the sealing reliability between the charging connector 311 and the housing 10 can be ensured, and the waterproof performance can be effectively improved.

Further, in the present embodiment, the housing 10 is provided with a call button 50 for activating cooperation with the electronic control module 30. The user can activate the call function by pressing or touching the call button 50 and activating a control key on the electronic control module 30 through the call button 50. For example, when the user encounters an emergency while bathing, the one-touch call-for-help function can be realized through the call button 50, so that the use safety of the user can be better ensured.

In order to ensure the waterproof performance of the call key, referring to fig. 5, in this embodiment, the housing 10 is provided with a through hole corresponding to the control key of the electronic control board 31, the call button 50 includes a button body 51 and a flexible pad 52, the flexible pad 52 is hermetically connected to the inner wall surface of the housing 10 and covers the inner port of the through hole, and the button body 51 is movably disposed in the through hole and is hermetically connected to the flexible pad 52. Specifically, the flexible pad 52 may be a rubber pad or a silicone pad, and has a better sealing function. The flexible pad 52 is respectively connected with the button body 51 and the shell 10 in an adhesive manner through an adhesive process, so that a good sealing and waterproof effect is ensured.

In order to further improve the convenience of the remote controller, in this embodiment, the remote controller further includes a fixing base 60, the fixing base 60 is detachably connected to the housing 10, and the fixing base 60 is configured to be installed to a preset position. For example, can install fixing base 60 on the wall in sitting room or bathroom, the connection can be dismantled to modes such as concrete accessible articulates between casing 10 and the fixing base 60, magnetism suction fit or buckle connection, and the user can pull down casing 10 from fixing base 60 as required when using to in other places of taking carry out remote control, can effectively promote the convenience of use. And, after using, return casing 10 dress to fixing base 60 on, can realize that the fixed point of remote controller is accomodate to can avoid losing because of placing at will.

Optionally, as shown in fig. 8, a surface of the fixing base 60 facing away from the housing 10 is provided with a pasting member 61, the fixing base 60 can be conveniently pasted to a predetermined position through the pasting member 61, for example, the fixing base 60 can be directly pasted on a wall of a bathroom. Of course, in other embodiments, the fixing base 60 can be directly fixed at the predetermined position by a fastener (e.g., a screw).

Further, as shown in fig. 2, in the present embodiment, the housing 10 is provided with a first magnetic attraction member 70, the fixing base 60 is provided with a second magnetic attraction member 80, and the first magnetic attraction member 70 and the second magnetic attraction member 80 are magnetically engaged. The user can realize the dismounting between the shell 10 and the fixing seat 60 by a small acting force, and the use convenience is further improved.

On the basis of the above embodiment, further, the housing 10 includes a housing body 11, a bottom cover 12 and a face cover 13, the housing body 11 is in a cylindrical shape with two open ends, the bottom cover 12 and the face cover 13 are respectively sealed and covered on the two open ends of the housing body 11, the rechargeable battery 20 is installed on the bottom cover 12, the electronic control board 31 is located on one side of the rechargeable battery 20 away from the bottom cover 12, the display screen 32 is located on one side of the electronic control board 31 close to the face cover 13, the display area is located on the face cover 13, and the charging hole 102 is located in the housing body 11. The shell body 11, the bottom cover 12 and the face cover 13 are in sealing fit to form an installation cavity 101, so that the sealing and waterproof performance of the shell 10 can be effectively improved. Stable assembly of the rechargeable battery 20 and the electronic control board 31 can be achieved by the bottom cover 12.

Specifically, as shown in fig. 6, a support portion 1212 for supporting the rechargeable battery 20 is disposed on an inner side surface of the bottom cover 12 (i.e., a surface of the bottom cover 12 close to the mounting cavity 101), a plurality of limiting portions 1213 are disposed on the inner side surface of the bottom cover 12 corresponding to the periphery of the rechargeable battery 20, and the rechargeable battery 20 can be limited by the limiting portions 1213, so that the rechargeable battery 20 is prevented from loosening during use of the remote controller, and the support portion 1212 protrudes from the inner side surface of the bottom cover 12 and can also be used for dissipating heat of the rechargeable battery 20. Optionally, the inner side surface of the bottom cover 12 is further provided with a plurality of fixing posts 1214 extending toward the face cover 13 corresponding to the periphery of the rechargeable battery 20, and the electronic control board 31 can be supported and fixed by the fixing posts 1214. Accessible waterproof glue carries out adhesive bonding between face lid 13 and the shell body 11, realizes sticky waterproof. The bottom cover 12 and the shell body 11 can be connected in a squeezing type sealing mode.

Further, in the present embodiment, one of the case body 11 and the bottom cover 12 is provided with a sealing groove 111, the other is provided with a sealing protrusion 1211, the second sealing member 90 is disposed in the sealing groove 111, and the sealing protrusion 1211 is received in the sealing groove 111 and presses the second sealing member 90. After the shell body 11 and the bottom cover 12 are locked and fixed, the shell body 11 and the bottom cover 12 jointly extrude the second sealing element 90, so that extrusion type sealing connection is realized, the structure is simple, and the sealing is reliable. For example, as shown in fig. 4, in the present embodiment, an annular sealing groove 111 is formed on a surface of the casing body 11 that is matched with the bottom cover 12, the second sealing member 90 is a sealing ring accommodated in the sealing groove 111, an annular sealing protrusion 1211 is formed on a surface of the bottom cover 12 that is matched with the casing body 11, when the assembly is performed, the sealing protrusion 1211 is inserted into the sealing groove 111, the casing body 11 and the bottom cover 12 are locked by a fastener, the sealing protrusion 1211 presses the second sealing member 90, and the second sealing member 90 deforms, so that a good sealing and waterproof effect can be achieved.

In the above embodiment, the housing 10 and the fixing base 60 are magnetically engaged with each other through the first magnetic attraction member 70 and the second magnetic attraction member 80. In the embodiment, the fixing base 60 is magnetically engaged with the bottom cover 12. Optionally, as shown in fig. 7, the bottom cover 12 includes a bottom plate 121 and a pressing plate 122 disposed on a side of the bottom plate 121 close to the face cover 13, and an accommodating cavity for accommodating the first magnetic element 70 is defined between the bottom plate 121 and the pressing plate 122. Through the cooperation of the pressing plate 122 and the bottom plate 121, the first magnetic attraction piece 70 can be stably installed. Optionally, as shown in fig. 7, the pressing plate 122 includes a top plate opposite to and spaced apart from the bottom plate 121, a surrounding plate extending from a periphery of the top plate toward the bottom plate 121, and a flange extending radially outward from a periphery of the surrounding plate, and the top plate, the surrounding plate, and the bottom plate 121 together enclose a receiving cavity adapted to the shape of the first magnetic attraction piece 70, so as to ensure stable assembly of the first magnetic attraction piece 70. Meanwhile, the top plate can also abut against the bottom surface of the rechargeable battery 20 to support the rechargeable battery 20 to a certain extent. Optionally, the inner side surface of the bottom plate 121 is further provided with a sinking groove for accommodating the flanging. Optionally, the second magnetic member 80 is embedded in the fixing base 60, for example, the second magnetic member 80 can be integrally injection-molded in the fixing base 60 through an injection molding process. One of the first magnetic attraction piece 70 and the second magnetic attraction piece 80 can be a permanent magnet, and the other is a metal sheet magnetically engaged with the permanent magnet.

The application also provides a water heater, which comprises a remote controller, wherein the specific structure of the remote controller can refer to the above embodiment, and the water heater adopts all the technical schemes of the above embodiment, so that the water heater at least has all the beneficial effects brought by the above technical schemes, and the details are not repeated herein.

The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.

The above-mentioned embodiments only represent some embodiments of the present invention, and the description thereof is specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims. In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", and the like, indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

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

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

In the present application, unless expressly stated or limited otherwise, the first feature may be directly on or directly under the second feature or indirectly via intermediate members. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.

It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "upper," "lower," "left," "right," and the like as used herein are for illustrative purposes only and do not denote a unique embodiment.

Claims (10)

1. A remote control, comprising:

the charging device comprises a shell (10), wherein the shell (10) is provided with an installation cavity (101) and a charging hole (102) communicated with the installation cavity (101), and the shell (10) is provided with a display area;

the rechargeable battery (20), the rechargeable battery (20) is arranged in the installation cavity (101); and

electronic control module (30), electronic control module (30) include automatically controlled board (31) and locate display screen (32) on automatically controlled board (31), display screen (32) correspond to the display area sets up, display screen (32) with rechargeable battery (20) all with automatically controlled board (31) electric connection, electronic control module (30) be equipped with charge joint (311) that charge hole (102) dock.

2. The remote controller according to claim 1, wherein the rechargeable battery (20) comprises a battery body (21) and a lead (22), one end of the lead (22) is connected with and conducted with the battery body (21), the other end of the lead (22) is provided with a plug terminal (221), the electronic control board (31) is provided with a socket (312) for being plugged with and conducted with the plug terminal (221), and the charging connector (311) is arranged on the electronic control board (31).

3. The remote controller according to claim 1, wherein the charging connector (311) comprises a wire connection portion (3111), an inner wall surface of the housing (10) is provided with a counter bore communicated with the charging hole (102), a first step (103) is arranged between the counter bore and the charging hole (102), the wire connection portion (3111) is accommodated in the counter bore and abuts against the first step (103), and the charging connector (311) is hermetically connected with the inner wall surface of the housing (10) through a first sealing member (40).

4. A remote control as claimed in claim 1, characterized in that said casing (10) is provided with a call button (50) for the triggered cooperation with said electronic control module (30).

5. The remote controller according to claim 4, wherein the housing (10) is provided with a through hole corresponding to the control key of the electric control board (31), the call button (50) comprises a button body (51) and a flexible pad (52), the flexible pad (52) is hermetically connected with the inner wall surface of the housing (10) and covers the inner port of the through hole, and the button body (51) is movably arranged in the through hole and hermetically connected with the flexible pad (52).

6. A remote control as claimed in claim 1, further comprising a holder (60), the holder (60) being removably connected to the housing (10).

7. A remote control as claimed in claim 6, characterized in that the housing (10) is provided with a first magnetically attractive element (70), the holder (60) is provided with a second magnetically attractive element (80), and the first magnetically attractive element (70) is magnetically engaged with the second magnetically attractive element (80).

8. The remote controller according to any one of claims 1 to 7, wherein the housing (10) comprises a housing body (11), a bottom cover (12) and a face cover (13), the housing body (11) is in a cylindrical shape with two open ends, the bottom cover (12) and the face cover (13) are respectively sealed and fitted to the two open ends of the housing body (11), the rechargeable battery (20) is mounted on the bottom cover (12), the electronic control board (31) is located on one side of the rechargeable battery (20) far away from the bottom cover (12), the display screen (32) is located on one side of the electronic control board (31) close to the face cover (13), the display area is located on the face cover (13), and the charging hole (102) is located in the housing body (11).

9. The remote controller according to claim 8, wherein one of the case body (11) and the bottom cover (12) is provided with a sealing groove (111), the other one is provided with a sealing protrusion (1211), a second sealing member (90) is arranged in the sealing groove (111), and the sealing protrusion (1211) is accommodated in the sealing groove (111) and presses the second sealing member (90).

10. A water heater comprising a remote control as claimed in any one of claims 1 to 9.

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