CN220169688U - Wire control box and water heater - Google Patents

Abstract

The utility model relates to the field of household appliances, in particular to a wire control box and a water heater, wherein the wire control box comprises a front cover plate, a rear cover plate, a circuit board and a mounting cover plate, the rear cover plate is detachably connected with the front cover plate, and a mounting inner cavity is formed between the front cover plate and the rear cover plate; the circuit board is arranged in the installation cavity; the installation cover plate is covered on the back side of the rear cover plate, and the back plate of the installation cover plate is provided with an arc surface installation area used for being connected to the shell of the water heater and a plane installation area used for being connected to the wall surface, and the center of the arc installation surface coincides with the center of the shell of the water heater; the drive-by-wire box can be installed on the outer wall of the shell of the water heater and also can be directly installed on the wall surface of a user, the adaptation degree is high, each fixing part arranged in the cambered surface installation area and the plane installation area can accommodate manufacturing or installation errors in the installation process, and the problems of difficult installation and the like are avoided.

Description

Wire control box and water heater

Technical Field

The utility model belongs to the technical field of household appliances, and particularly relates to a wire control box and a water heater.

Background

The water heater is common electrical equipment in daily life of people, is communicated with external cold water, and can realize rapid heating operation of the cold water, so that daily life of people is greatly facilitated.

The drive-by-wire box is used for being connected with the water heater signal, and the drive-by-wire box makes things convenient for the user to control the water heater, and the user directly controls the switch or adjusts the temperature through the button on the drive-by-wire box, and among the prior art, the user has different requirements to the mounted position of drive-by-wire box, for example, the drive-by-wire box can only be installed on the shell of water heater, or the drive-by-wire box can only be fixed on indoor wall etc. after the installation is accomplished, mounted position can not change.

The installation mode of the wire control box in the prior art is single, the installation position of the wire control box is designed before leaving the factory, the wire control box cannot adapt to the installation requirements of different users, the universality is low, and the inconvenience is caused to the users;

in addition, due to manufacturing errors and the like, when the wire control box is specifically installed, a reserved installation hole and an installation position arranged on the shell or the wall body are slightly different, so that re-perforating is needed, and the installation efficiency is low.

Disclosure of Invention

The utility model aims to provide a wire control box and a water heater, which are used for solving the problems that the existing wire control box in the prior art is single in installation mode, cannot adjust the installation position according to the actual requirement of a user, is poor in universality and the like.

In order to achieve the aim of the utility model, the utility model is realized by adopting the following technical scheme:

in one aspect, the present utility model provides a drive-by-wire box comprising:

a front cover plate, on which an operation area and a display area are formed, wherein a plurality of operation buttons are arranged in the operation area;

the rear cover plate is detachably connected with the front cover plate, and an installation inner cavity is formed between the front cover plate and the rear cover plate;

a circuit board disposed in the mounting cavity;

the installation apron, its lid is established the back side of back shroud, the backplate of installation apron is formed with the cambered surface installation district that is used for connecting on the water heater shell and is used for connecting the plane installation district on the wall, the cambered surface installation district including to the arc installation face that the front shroud direction extends, the center of arc installation face coincides with the center of the shell of water heater.

In some embodiments of the present utility model, the mounting cover plate has a plurality of outwardly extending support ribs formed thereon, and the arcuate mounting surface includes a support arcuate surface formed on each of the support ribs.

In some embodiments of the present utility model, in the cambered surface mounting region, a first fixing portion and a second fixing portion are disposed at intervals along a first direction, and the cambered mounting surface further includes a fixing cambered surface formed on surfaces of the first fixing portion and the second fixing portion.

In some embodiments of the present utility model, the first fixing portion and the second fixing portion are both elongated hole structures, a length direction of the first fixing portion is consistent with the first direction, and a length direction of the second fixing portion is perpendicular to the first direction.

In some embodiments of the present utility model, in the planar mounting area, a third fixing portion and a fourth fixing portion are disposed at intervals along a second direction perpendicular to the first direction, the third fixing portion and the fourth fixing portion are respectively in an elongated hole structure, a length direction of the third fixing portion is consistent with the first direction, and a length direction of the fourth fixing portion is consistent with the second direction.

In some embodiments of the present utility model, a plurality of fastening portions extending toward the rear cover plate are formed on the peripheral side of the front cover plate, a fastening hole is formed on each fastening portion, and a fastening portion adapted to the position of each fastening portion is formed on the back plate of the rear cover plate, and the fastening portion is a protrusion protruding from the side wall surface of the rear cover plate.

In some embodiments of the present utility model, the mounting cover plate includes a back plate and a mounting outer edge formed at a peripheral side of the mounting back plate, and the mounting cover plate is covered at an outer side of the back cover plate.

In some embodiments of the present utility model, a first lap joint portion is formed on an inner surface of the mounting outer edge, a second lap joint portion matched with the first lap joint portion in position is formed on the back cover plate, the first lap joint portion and the second lap joint portion are both in a protruding structure, a transition inclined plane is formed above the first lap joint portion, and in a mounting state, the first lap joint portion is clamped above the second lap joint portion.

In some embodiments of the utility model, the back cover plate is formed with a threading channel and a wire passing hole;

the wire harness mounting device is characterized in that a threading part is formed on the rear wall of the mounting cover plate, a threading imaginary part is formed on the mounting outer edge, and the wire passing hole is communicated with the threading imaginary part and/or the threading part and used for enabling a wire harness on a circuit board to pass through.

In another aspect, the present utility model also provides a water heater comprising:

a heating inner cavity is formed in the inner container;

and the shell is positioned at the outer side of the inner container, and the wire control box related to any one of the above is arranged on the outer wall of the shell.

Compared with the prior art, the utility model has the advantages and positive effects that:

the wire control box and the water heater can be arranged on the outer wall of the shell of the water heater, and also can be directly arranged on the wall surface of a user, so that the wire control box is high in adaptation degree, and an arc-shaped mounting surface which is matched with the radian of the shell of the water heater is formed on the backboard of the mounting cover plate of the wire control box; meanwhile, a plane installation area is formed on the shell, so that the arc-shaped installation position of the outer wall of the shell can be met, and the installation positions such as the surface of a wall body can be met;

the cambered surface installation area is provided with a first strip-shaped fixing part and a second strip-shaped fixing part, and the length directions of the first fixing part and the second fixing part are mutually perpendicular; similarly, the third fixing part and the fourth fixing part which are mutually perpendicular in the length direction are arranged in the plane installation area, so that manufacturing or installation errors can be accommodated in the installation process, and the problems of difficult installation and the like are avoided.

Other features and advantages of the present utility model will become apparent upon review of the detailed description of the utility model in conjunction with the drawings.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present utility model, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic view of an embodiment of a water heater according to the present utility model;

FIG. 2 is a schematic view of the junction box and housing installation proposed by the present utility model;

FIG. 3 is a schematic diagram of a junction box split;

FIG. 4 is a schematic view of the front side structure of the junction box;

FIG. 5 is a schematic view of the rear side structure of the junction box;

FIG. 6 is a schematic view of the front cover plate structure;

FIG. 7 is a schematic view of the back cover plate structure;

FIG. 8 is a schematic view of a mounting cover plate structure;

FIG. 9 is a schematic view of the front and rear cover plate installation;

FIG. 10 is a schematic view of a rear cover plate in section with a mounting cover plate in mounted condition;

in the drawing the view of the figure,

100. a housing;

200. a drive-by-wire box;

210. a front cover plate; 211. a display area; 212. an operation region; 213. a fastening part;

220. a circuit board;

230. a back cover plate; 231. a second lap joint; 232. a clamping part; 233. a wire passing channel; 234. a wire through hole;

240. installing a cover plate; 2401. a cambered surface installation area; 2402. A back plate; 2403. installing an outer edge;

241. a third fixing portion; 242. a fourth fixing portion; 243. a first fixing portion; 244. a second fixing portion;

245. a support rib; 246. a first lap joint; 247. A threading part; 248. the imaginary part of the threading.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

In the description of the present utility model, it should be understood that the terms "center," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like indicate orientations or positional relationships based on the orientation or positional relationships shown in the drawings, merely to facilitate describing the present utility model and simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.

The terms "first," "second," and the like, 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 defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present utility model, unless otherwise indicated, the meaning of "a plurality" is two or more.

In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; may be mechanically coupled, directly coupled, or indirectly coupled via an intermediate medium. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

In the present utility model, unless expressly stated or limited otherwise, a first feature "above" or "below" a second feature may include both the first and second features being in direct contact, as well as the first and second features not being in direct contact but being in contact with each other through additional features therebetween. Moreover, a first feature being "above," "over" and "on" a second feature includes the first feature being directly above and obliquely above the second feature, or simply indicating that the first feature is higher in level than the second feature. The first feature being "under", "below" and "beneath" the second feature includes the first feature being directly under and obliquely below the second feature, or simply means that the first feature is less level than the second feature.

The following disclosure provides many different embodiments, or examples, for implementing different features of the utility model. In order to simplify the present disclosure, components and arrangements of specific examples are described below. They are, of course, merely examples and are not intended to limit the utility model. Furthermore, the present utility model may repeat reference numerals and/or letters in the various examples, which are for the purpose of brevity and clarity, and which do not themselves indicate the relationship between the various embodiments and/or arrangements discussed.

The electric water heater adopts electric energy as a main energy material, and the high-temperature heat generated after the electric energy is electrified directly heats water stored in the electric water heater so as to achieve the purpose of preparing hot water.

The electric water heater generally comprises a water tank, an electric heating component, a circuit board and the like, wherein a water storage cavity is formed in the water tank to store water to be heated, the electric heating component is inserted into the water storage cavity formed in the water tank, and the circuit board is used for controlling the electric heating component to be powered on and powered off so as to heat the water in the water tank to a set temperature.

For a water tank of an electric water heater, the water tank generally comprises a shell and an inner container, and an insulation layer is formed between the shell and the inner container. Wherein, the shell is generally made of plastic materials so as to meet the design requirements of beautiful and diversified shapes; the inner container can be a metal container body or a plastic container body according to the requirement.

In addition, the heat preservation that forms between shell and the inner bag, the heat preservation material that commonly uses has: asbestos, sponge, foam, polyurethane foam, etc., and in order to obtain a good heat-insulating effect in the conventional art, a heat-insulating layer is usually formed by foaming.

For the liner adopting the metal liner body, the inside of the liner is easy to corrode due to the influence of water quality, and therefore, the water tank is also provided with a magnesium rod which is inserted into a water storage cavity in the water tank.

Since magnesium is the lowest potential metal in the electrochemical sequence, it is physiologically non-toxic. Therefore, the magnesium rod protective liner is very ideal to be used for manufacturing the magnesium rod protective liner. The size of the magnesium rod is directly related to the time of protecting the liner and the protecting effect, and the larger the magnesium rod is, the better the protecting effect is and the longer the protecting time is.

The water tank is also provided with a water inlet pipe and a water outlet pipe, the water inlet pipe is used for conveying cold water into a water storage cavity formed in the water tank, and hot water in the water storage cavity is output from the water outlet pipe.

For the electric heating component, electric heating modes such as electric heating wires, magnetic energy or silicon tube heating can be adopted to heat water stored in the water storage cavity.

For the circuit board, the circuit board is used for receiving detection signals sent by related sensors (such as a water temperature sensor and a flow sensor) and controlling the electric heating component to be powered on and powered off.

When the electric water heater works, the circuit board controls the electric heating component to be electrified and heated, and when the water temperature of the water in the water tank reaches a set value, the circuit board controls the electric heating component to be powered off.

In the description of the above embodiments, particular features, structures, materials, or characteristics may be combined in any suitable manner in any one or more embodiments or examples.

The electric water heater adopts electric energy as a main energy material, and the high-temperature heat generated after the electric energy is electrified directly heats water stored in the electric water heater so as to achieve the purpose of preparing hot water.

The electric water heater generally comprises a water tank, an electric heating component, a circuit board and the like, wherein a water storage cavity is formed in the water tank to store water to be heated, the electric heating component is inserted into the water storage cavity formed in the water tank, and the circuit board is used for controlling the electric heating component to be powered on and powered off so as to heat the water in the water tank to a set temperature.

For a water tank of an electric water heater, the water tank generally comprises a shell and an inner container, and an insulation layer is formed between the shell and the inner container. Wherein, the shell is generally made of plastic materials so as to meet the design requirements of beautiful and diversified shapes; the inner container can be a metal container body or a plastic container body according to the requirement.

In addition, the heat preservation that forms between shell and the inner bag, the heat preservation material that commonly uses has: asbestos, sponge, foam, polyurethane foam, etc., and in order to obtain a good heat-insulating effect in the conventional art, a heat-insulating layer is usually formed by foaming.

For the liner adopting the metal liner body, the inside of the liner is easy to corrode due to the influence of water quality, and therefore, the water tank is also provided with a magnesium rod which is inserted into a water storage cavity in the water tank.

Since magnesium is the lowest potential metal in the electrochemical sequence, it is physiologically non-toxic. Therefore, the magnesium rod protective liner is very ideal to be used for manufacturing the magnesium rod protective liner. The size of the magnesium rod is directly related to the time of protecting the liner and the protecting effect, and the larger the magnesium rod is, the better the protecting effect is and the longer the protecting time is.

The water tank is also provided with a water inlet pipe and a water outlet pipe, the water inlet pipe is used for conveying cold water into a water storage cavity formed in the water tank, and hot water in the water storage cavity is output from the water outlet pipe.

For the electric heating component, electric heating modes such as electric heating wires, magnetic energy or silicon tube heating can be adopted to heat water stored in the water storage cavity.

For the circuit board, the circuit board is used for receiving detection signals sent by related sensors (such as a water temperature sensor and a flow sensor) and controlling the electric heating component to be powered on and powered off.

When the electric water heater works, the circuit board controls the electric heating component to be electrified and heated, and when the water temperature of the water in the water tank reaches a set value, the circuit board controls the electric heating component to be powered off.

Referring to fig. 1 and 2, the present utility model provides a water heater, which includes a liner and a housing 100, wherein a heating cavity is formed in the liner, a heating element is disposed in the heating cavity, the heating cavity is connected with a water inlet pipeline and a water outlet pipeline, cold water is input into the heating cavity from the water inlet pipeline, and is output from the water outlet pipe for a user after being heated by the heating element.

The outer casing 100 covers the outer side of the inner container, and the wire control box 200 is detachably arranged on the outer wall of the outer casing 100.

The wire control box 200 may be separately installed on a wall according to a user's demand, in addition to being installed on the housing 100 of the water heater.

In order to implement various mounting forms of the drive-by-wire box 200, referring to fig. 3, the drive-by-wire box 200 of the present utility model includes a front cover 210, a rear cover 230, a circuit board 220, and a mounting cover 240.

The back cover 230 is detachably connected to the front cover 210, and an installation cavity is formed between the front cover 210 and the back cover 230, and the circuit board 220 is located in the installation cavity.

Referring to fig. 4, an operation area 212 and a display area 211 are formed on the front cover 210, a plurality of operation buttons are provided in the operation area 212, a user controls a heating temperature, a switching state, etc. of the water heater through the operation buttons, and the display area 211 is used for displaying information such as a real-time temperature of the water heater.

The mounting cover 240 is for direct contact connection with the housing 100 or the wall surface, and the mounting cover 240 is disposed on the back side of the back cover 230.

Referring to fig. 5, the mounting cover 240 includes a back plate 2402 and a mounting outer edge 2403 surrounding a peripheral side of the back plate 2402, the back plate 2402 being formed with a cambered surface mounting region 2401 for connection to the water heater housing 100 and a planar mounting region for connection to a wall surface.

When mounted on the housing 100, the cambered surface mounting region 2401 is in direct contact with the outer wall of the housing 100.

When the device is installed on a wall surface, the plane installation area is in direct contact with the wall surface.

The cambered surface mounting region 2401 includes a cambered mounting surface extending toward the front cover plate 210, the center of which coincides with the center of the housing 100 of the water heater to improve the fitting degree with the housing 100, so that the connection is more stable.

In order to reduce the thickness of the installation cover plate 240, a plurality of outwardly extending supporting ribs 245 are formed on the installation cover plate 240, the arc-shaped installation surface comprises supporting cambered surfaces formed on the supporting ribs 245, and in an actual installation state, the supporting cambered surfaces are in direct contact with the shell 100, and the supporting ribs 245 can reduce the overall thickness of the installation cover plate 240 while meeting the radian of the supporting cambered surfaces, so that the cost is saved and the weight is reduced.

The drive-by-wire box 200 is connected with the shell 100 and the cavity through fasteners, and a first fixing portion 243 and a second fixing portion 244 are arranged in the corresponding cambered surface mounting area 2401 at intervals along the first direction, and the cambered surface further comprises a fixing cambered surface formed on the surfaces of the first fixing portion 243 and the second fixing portion 244.

The first fixing portion 243 and the second fixing portion 244 are protrusions formed on the mounting cover plate 240, and the fixing cambered surfaces formed on the surfaces of the first fixing portion 243 and the second fixing portion 244 and the supporting cambered surfaces together form an arc-shaped mounting surface, and are in direct contact connection with the housing 100, so as to be convenient to be fixedly connected with the housing 100.

In the actual machining process, an installation error exists between the installation position of the casing 100 and the wire control box 200, so that the installation efficiency is improved, the situation that the assembly cannot be successfully performed due to the existence of the installation error is avoided, the first fixing portion 243 and the second fixing portion 244 are designed to be of long-strip hole structures, the length direction of the first fixing portion 243 is consistent with the first direction so as to adjust the error between the first direction and the installation position of the casing 100 or the wall body, the length direction of the second fixing portion 244 is consistent with the second direction, and the second direction is perpendicular to the first direction so as to accommodate a certain machining error along the second direction.

Similarly, an installation error exists between an installation position on the wall body and the wire control box 200, so that the installation efficiency is improved, the situation that the assembly cannot be successfully performed due to the existence of the installation error is avoided, in order to install the area in a plane, a third fixing portion 241 and a fourth fixing portion 242 are arranged at intervals along a second direction perpendicular to the first direction, the third fixing portion 241 and the fourth fixing portion 242 are respectively of a long-strip hole structure, the length direction of the third fixing portion 241 is consistent with the first direction, and the length direction of the fourth fixing portion 242 is consistent with the second direction.

Referring to fig. 6, 7 and 9, the front cover plate 210 and the rear cover plate 230 are detachably connected through a buckle, so that processing of fixing holes and the like is reduced, the installation efficiency is improved, and the disassembly is convenient.

The front cover 210 has a plurality of fastening portions 213 formed on a peripheral side thereof and extending in a direction of the rear cover 230, each fastening portion 213 has a fastening hole formed thereon, the back plate 2402 of the rear cover 230 has a fastening portion 232 formed thereon in a position matching with each fastening portion 232, and the fastening portion 232 is a protrusion protruding from a side wall surface of the rear cover 230.

When in installation, the clamping holes on each clamping part 213 are clamped to the corresponding clamping parts 232 to connect the front cover plate 210 and the rear cover plate 230.

Referring to fig. 7, 8 and 10, the mounting cover 240 is also detachably connected to the back cover 230, the mounting cover 240 includes a back plate 2402 and a mounting outer edge 2403 formed at a circumferential side of the mounting back plate 2402, and the mounting cover 240 is disposed at an outer side of the back cover 230.

The inner surface of the mounting outer edge 2403 is formed with a first lap joint part 246, a second lap joint part 231 which is matched with the position of the first lap joint part 246 is formed on the back cover plate 230, the first lap joint part 246 and the second lap joint part 231 are of convex structures, a transition inclined plane is formed above the first lap joint part 246, and when the mounting outer edge 2403 is mounted, the first lap joint part 246 expands outwards under the action of the transition inclined plane in the connection process of the second lap joint part 231 until the first lap joint part 246 completely passes through the second lap joint part 231, and under the self elastic action, the first lap joint part 246 resets and is clamped above the second lap joint part 231.

The rear cover 230 has a threading passage and a threading hole 234 formed therein, and the harness is output from the threading hole through the threading passage after being taken out from the circuit board 220, the rear wall of the mounting cover 240 has a threading portion 247 formed thereon, and the mounting outer edge 2403 has an imaginary threading portion formed thereon.

According to actual installation demand, the pencil can be followed through the through wires hole or threading imaginary part position and worn out, and the threading imaginary part can remain when wireless beam passes through, and when the pencil need be corresponding as the position through from the threading imaginary part, can lift down the threading imaginary part, be used for the pencil on the circuit board 220 to pass.

The above embodiments are only for illustrating the technical solution of the present utility model, and are not limiting; although the utility model has been described in detail with reference to the foregoing embodiments, it will be apparent to one skilled in the art that modifications may be made to the technical solutions described in the foregoing embodiments, or equivalents may be substituted for some of the technical features thereof; such modifications and substitutions do not depart from the spirit and scope of the corresponding technical solutions.

Claims (10)

1. A drive-by-wire box, comprising:

a front cover plate, on which an operation area and a display area are formed, wherein a plurality of operation buttons are arranged in the operation area;

the rear cover plate is detachably connected with the front cover plate, and an installation inner cavity is formed between the front cover plate and the rear cover plate;

a circuit board disposed in the mounting cavity;

the installation apron, its lid is established the back side of back shroud, the backplate of installation apron is formed with the cambered surface installation district that is used for connecting on the water heater shell and is used for connecting the plane installation district on the wall, the cambered surface installation district including to the arc installation face that the front shroud direction extends, the center of arc installation face coincides with the center of the shell of water heater.

2. The drive-by-wire box of claim 1, wherein,

the mounting cover plate is provided with a plurality of outwards extending supporting ribs, and the arc-shaped mounting surface comprises a supporting cambered surface formed on each supporting rib.

3. The drive-by-wire box of claim 2, wherein,

in the cambered surface installation zone, be provided with first fixed part and second fixed part along first direction interval, the arc installation face still includes the fixed cambered surface that forms the surface of first fixed part and second fixed part.

4. A drive-by-wire box according to claim 3, wherein,

the first fixing portion and the second fixing portion are of long-strip hole structures, the length direction of the first fixing portion is consistent with the first direction, and the length direction of the second fixing portion is perpendicular to the first direction.

5. A drive-by-wire box according to claim 3, wherein,

in the plane installation area, a third fixing part and a fourth fixing part are arranged at intervals along a second direction perpendicular to the first direction, the third fixing part and the fourth fixing part are respectively of long-strip hole structures, the length direction of the third fixing part is consistent with the first direction, and the length direction of the fourth fixing part is consistent with the second direction.

6. The drive-by-wire box of claim 1, wherein,

the periphery side of the front cover plate is provided with a plurality of clamping parts extending towards the direction of the rear cover plate, each clamping part is provided with a clamping hole, the backboard of the rear cover plate is provided with a clamping part matched with each clamping part in position, and each clamping part is a protrusion protruding out of the side wall surface of the rear cover plate.

7. The drive-by-wire box of claim 1, wherein,

the installation apron includes the backplate and forms the installation outer edge of installation backplate week side, the installation apron lid is established the outside of back shroud.

8. The drive-by-wire box of claim 7, wherein,

the inner surface of the outer edge of installation is formed with first overlap joint portion, be formed with on the back shroud with the second overlap joint portion of first overlap joint portion position looks adaptation, first overlap joint portion with second overlap joint portion is protruding structure, the top of first overlap joint portion is formed with the transition inclined plane, under the installation state, first overlap joint portion joint to second overlap joint portion top.

9. The drive-by-wire box of claim 7, wherein,

a threading channel and a threading hole are formed on the rear cover plate;

the wire harness mounting device is characterized in that a threading part is formed on the rear wall of the mounting cover plate, a threading imaginary part is formed on the mounting outer edge, and the wire passing hole is communicated with the threading imaginary part and/or the threading part and used for enabling a wire harness on a circuit board to pass through.

10. A water heater, comprising:

a heating inner cavity is formed in the inner container;

a casing, which is located outside the inner container, and on the outer wall of which is mounted a drive-by-wire box according to any one of the preceding claims 1-9.