CN216296734U - Automatic maintenance device - Google Patents

Abstract

The utility model discloses an automatic maintenance device, which comprises a box body, a spraying head, a drying mechanism, a liquid storage tank and a water pump, wherein a containing cavity is arranged in the box body, a bearing plate for placing an article to be maintained is arranged at the bottom of the containing cavity, the spraying head and the drying mechanism are arranged in the containing cavity and are respectively used for spraying maintenance liquid on the article to be maintained placed in the containing cavity and drying the article to be maintained, the water pump is connected with the liquid storage tank and is used for pumping the maintenance liquid in the liquid storage tank to the spraying head, through the mode, the object to be maintained, such as a purple sand pot and the like, can be sprayed with the maintenance liquid and dried only by operating the water pump and the drying mechanism, manual operation is not needed, so that the article to be maintained can be maintained automatically, time and labor are greatly saved, and the maintenance efficiency is greatly improved.

Description

Automatic maintenance device

Technical Field

The utility model relates to the technical field of articles for daily use, in particular to an automatic maintenance device

Background

The dark-red enameled pottery is made from a sand hammer, does not deprive tea fragrance, does not have cooked soup gas, so that the dark-red enameled pottery is used for making tea, has the advantages of good air permeability, capability of absorbing tea juice and the like, and is deeply popular with tea people.

The dark-red enameled pottery needs to be maintained and maintained in the daily use process, namely the kettle is maintained, the purpose of maintaining the kettle is to enhance the function of 'flavor and fragrance cultivation' of the dark-red enameled pottery, and the dark-red enameled pottery can have a matte appearance which is gradually attractive and is very warm and elegant. The pot cultivating method is mainly characterized in that tea water is manually sprinkled on a pot body to be soaked in the pot body, and then the pot body is wiped to be dry, so that blood streak, blood mark, lean mark or jade oil and other signs can appear on the surface of the pot body in the past, namely, the kettle is coated with syrup. The existing manual pot-cultivating mode consumes time and labor, and has low maintenance efficiency.

SUMMERY OF THE UTILITY MODEL

The utility model mainly solves the technical problem of providing an automatic maintenance device which can automatically maintain articles to be maintained, such as a dark-red enameled pottery and the like, greatly saves maintenance time and labor and greatly improves maintenance efficiency.

In order to solve the above-mentioned technical problem, an aspect of the present invention provides an automatic maintenance device, including: the maintenance box comprises a box body, wherein an accommodating cavity is formed in the box body, a bearing plate for placing an article to be maintained is arranged at the bottom of the accommodating cavity, and a first through hole is formed in the cavity wall of the accommodating cavity;

the spraying head is arranged in the accommodating cavity and is used for spraying maintenance liquid to the article to be maintained;

the drying mechanism is arranged in the accommodating cavity and used for drying the object to be maintained;

the liquid storage tank is used for storing maintenance liquid and comprises a water outlet and a water inlet;

the water inlet of the water pump is connected with the water outlet of the liquid storage tank, and the water outlet of the water pump is connected with the sprinkler head through the first through hole so as to pump the maintenance liquid in the liquid storage tank to the sprinkler head.

In some embodiments, the drying mechanism includes a heating rod fixed to the top of the accommodating chamber and an air inlet fan fixed to the top of the accommodating chamber and located below the heating rod.

In some embodiments, the top of the accommodating cavity is provided with an air inlet at a position corresponding to the heating rod;

the lateral wall that holds the chamber still is provided with the air outlet, air outlet department is provided with the exhaust fan.

In some embodiments, the drying box further comprises a control system, and a spraying mode button and a drying mode button are further arranged on the outer portion of the box body;

when the spraying mode button is started, the control system controls the water pump and the drying mechanism to sequentially work circularly, and when the circulation times reach the preset times or a shutdown event occurs, the control system controls the water pump and the drying mechanism to stop working;

when the drying mode button is started, the control system controls the drying mechanism to start working until the working time reaches the preset time or a shutdown event occurs, and the control system controls the drying mechanism to stop working.

In some embodiments, the temperature and humidity detector is arranged in the accommodating cavity to detect the temperature and humidity in the accommodating cavity;

the control system controls the water pump and the drying mechanism to sequentially and circularly work, and specifically comprises the following steps: after the control system controls the water pump to work for a preset time, the water pump stops working, then the drying mechanism starts working, the drying mechanism stops working when the temperature and the humidity of the accommodating cavity are within a preset range, and the control system controls the water pump to work again for a preset time so as to circulate.

In some embodiments, the accommodating cavity has an opening, the automatic maintenance device further comprises a box door, the box door is hinged with the box body and used for covering the opening of the accommodating cavity, a stop button is further arranged on the box body, and a liquid level detector is further arranged in the liquid storage tank;

in the spraying mode, the shutdown event comprises that a box door is opened, a shutdown button is pressed down or the liquid level detector detects that the liquid level in the liquid storage tank is lower than a preset liquid level value; in the drying mode, the shutdown event comprises that a box door is opened, a shutdown button is pressed down or the temperature and the humidity of the accommodating cavity are within a preset range.

In some embodiments, the plurality of spray heads are dispersedly fixed on the top of the receiving chamber or above the sidewall of the receiving chamber.

In some embodiments, the liquid storage tank and the water pump are arranged outside the box body, a filter screen and a tank cover are arranged at the water inlet of the liquid storage tank, and the tank cover covers and seals the water inlet.

In some embodiments, the bearing plate comprises a tray and a bracket positioned on the tray, wherein an article to be maintained is placed on the bracket, the bracket is provided with a water leakage hole, and the tray is used for storing the maintenance liquid flowing down from the water leakage hole;

the cavity wall of the accommodating cavity is provided with a second through hole communicated with the tray, the liquid storage tank further comprises a recycling port, and the recycling port is communicated with the tray through the second through hole.

In some embodiments, the tray is a funnel structure, the bracket is located at an upper end opening of the funnel structure, and a lower end opening of the funnel structure is communicated with the second through hole;

a one-way valve is arranged between the recovery port and the second through hole.

The utility model has the beneficial effects that: the automatic maintenance device comprises a box body, a spraying head, a drying mechanism, a liquid storage tank and a water pump, wherein an accommodating cavity is arranged in the box body, a bearing plate for placing an article to be maintained is arranged at the bottom of the accommodating cavity, the article to be maintained can be a purple sand teapot or an article thereof, the spraying head and the drying mechanism are arranged in the accommodating cavity and are respectively used for spraying maintenance liquid on the article to be maintained placed in the accommodating cavity and drying the article to be maintained, the water pump is connected with the liquid storage tank and is used for pumping the maintenance liquid in the liquid storage tank to the spraying head, through the mode, when the article to be maintained is the purple sand teapot, the purpose of spraying the maintenance liquid on the purple sand teapot and drying can be achieved only by enabling the water pump and the drying mechanism to work without manual operation, so that the purple sand teapot can be maintained automatically, maintenance time and labor are greatly saved, and maintenance efficiency is greatly improved.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required to be used in the embodiments of the present invention will be briefly described below. It is obvious that the drawings described below are only some embodiments of the utility model, and that for a person skilled in the art, other drawings can be derived from them without inventive effort.

FIG. 1 is a schematic diagram of an automatic maintenance device according to an embodiment of the present invention;

FIG. 2 is a front view of the automatic maintenance device of FIG. 1;

FIG. 3 is a rear view of the automatic maintenance device of FIG. 1;

fig. 4 is a right side view of the automatic maintenance device of fig. 1.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, are within the scope of the present invention.

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", etc. indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be considered 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 one or more features. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.

In the present disclosure, the word "exemplary" is used to mean "serving as an example, instance, or illustration. Any embodiment described herein as "exemplary" is not necessarily to be construed as preferred or advantageous over other embodiments. The following description is presented to enable any person skilled in the art to make and use the utility model. In the following description, details are set forth for the purpose of explanation. It will be apparent to one of ordinary skill in the art that the present invention may be practiced without these specific details. In other instances, well-known structures and processes are not shown in detail to avoid obscuring the description of the utility model with unnecessary detail. Thus, the present invention is not intended to be limited to the embodiments shown, but is to be accorded the widest scope consistent with the principles and features disclosed herein.

Referring to fig. 1 to 4, in some embodiments of the automatic maintenance device 100 according to the present invention, the automatic maintenance device includes a housing 11, a spraying head 12, a drying mechanism 13, a liquid storage tank 14, and a water pump 15.

An accommodating cavity 111 is formed inside the box 11, and a bearing plate 112 for placing an article to be maintained is disposed at the bottom of the accommodating cavity 111, wherein the article to be maintained may be, for example, a dark-red enameled pottery, a dark-red enameled cup or other articles, which is not limited in this respect, and hereinafter, the article to be maintained is the dark-red enameled pottery 20.

The wall of the accommodating cavity 111 is provided with a first through hole 113. More specifically, the first through hole 113 may be disposed on a rear sidewall of the receiving cavity 111, and the receiving cavity 111 has an opening disposed on a front sidewall of the receiving cavity 111, from which the dark-red enameled pottery 20 is put into the receiving cavity 111.

The spraying head 12 is disposed in the containing cavity 111 for spraying a maintaining liquid to the dark-red enameled pottery 20, wherein the maintaining liquid can be tea water, or can also be clean water or other liquid which can be used for maintaining the dark-red enameled pottery. It will be appreciated that the treatment fluid may be different for different items to be treated, for example, the treatment fluid may be a cleaning agent for some items to be cleaned.

The number of the spray heads 12 may be one or may be plural, for example, plural spray heads 12 may be dispersedly fixed on the top of the containing chamber 111, or one or more spray heads 12 may be fixed above the left and right side walls of the containing chamber 111, or one or more spray heads 12 may be fixed on the rear side wall of the containing chamber 111, so as to spray the maintenance liquid more uniformly to the dark-red enameled pottery 20. Wherein, the water outlet size of the sprinkler head 12 can be adjusted.

The drying mechanism 13 is also disposed in the accommodating cavity 111 for drying the dark-red enameled pottery 20 after the spraying head 12 sprays the maintenance liquid. The drying mechanism 13 may be disposed on the top of the accommodating chamber 111, or may be disposed on a side wall of the accommodating chamber, which is not limited thereto.

The liquid storage tank 14 may be disposed outside the tank 11, and may be mounted on the outside of the tank 11, for example, by fixing the tank 11 by a fixing bracket or by bolts; of course, the reservoir tank 14 may be provided separately from the tank 11. The liquid storage tank 14 is used for storing maintenance liquid, comprises a water inlet and a water outlet, and the maintenance liquid can be poured into the liquid storage tank 14 from the water inlet of the liquid storage tank 14. When the maintenance liquid is tea, a filter screen can be arranged at the water inlet in order to filter tea scraps. Wherein, a tank cover can be arranged at the water inlet to cover and seal the water inlet.

In addition, a liquid level detector may be disposed within the reservoir 14 for detecting the liquid level within the reservoir 14 and sending an alarm to indicate the need for adding the maintenance liquid when the detected liquid level is below a predetermined value.

The water pump 15 may be disposed outside the tank 11, may be fixed to the tank 11, or may be disposed separately from the tank 11. Wherein, the water inlet of the water pump 15 is communicated with the water outlet of the liquid storage tank 14 through a water pipe, the water outlet of the water pump 15 is communicated with the sprinkler head 12 after passing through the first through hole 113 by the water pipe, thereby pumping the maintenance liquid in the liquid storage tank 14 to the sprinkler head 12 through the action of the water pump 15.

Of course, the reservoir 14 and the water pump 15 may be disposed in the housing 11 according to the actual design, for example, in the accommodating chamber 111, or another accommodating chamber for accommodating the reservoir 14 and the water pump 15 may be disposed in the housing 11.

The number of the first through holes 113 may be the same as that of the sprinkler heads 12, or a plurality of sprinkler heads 12 may share one first through hole 113, which may be implemented by a tee or a multi-way connector. As shown in fig. 2 and 3, there are two sprinkler heads 12, two sprinkler heads 12 are disposed above the rear side wall of the receiving chamber 111, there are two first through holes 113 on the rear side wall of the receiving chamber 111, and the water pump 15 is connected to the two sprinkler heads 12 through the two first through holes 113, respectively.

Through the automatic maintenance device, the purple sand kettle 20 can be sprayed with the maintenance liquid and dried only by operating the water pump 15 and the drying mechanism 13 without manual operation, so that the purple sand kettle can be maintained automatically, the maintenance time and labor are greatly saved, and the maintenance efficiency is greatly improved

Wherein, the drying mechanism 13 can be a drying mechanism, which includes a heating rod 131, the heating rod 131 is disposed in the accommodating cavity 111, for example, can be fixed on the top of the accommodating cavity 111, and also can be fixed on the sidewall or even the bottom of the accommodating cavity 111, for generating heat to dry the dark-red enameled pottery 20. In order to make the drying effect better, the drying mechanism 13 may further include an air inlet fan 132, and when the heating rod 131 is fixed on the top of the accommodating chamber 111, the air inlet fan 132 is also fixed on the top of the accommodating chamber 111 and located below the heating rod 131 for transferring the heat of the heating rod 131 to the dark-red enameled pottery 20 in the form of hot wind.

Of course, the drying mechanism 13 may also be an air drying mechanism, that is, only an air inlet machine may be provided to dry the dark-red enameled pottery 20.

In order to match with the air inlet fan 132, an air inlet 114 is further disposed at the top of the accommodating cavity 111 corresponding to the position of the heating rod 131.

In the embodiment of the automatic maintenance device 100 of the present invention, the automatic maintenance device 100 may further include an exhaust fan 16, an air outlet is disposed on a side wall, such as a rear side wall, of the accommodating cavity 111, and the exhaust fan 16 is disposed at the air outlet for exhausting moisture in the accommodating cavity 111 to the outside of the box body 11, so as to facilitate improvement of drying efficiency of the dark-red enameled pottery 20.

The embodiment of the utility model can also realize the recovery of the maintenance liquid. Specifically, the carrier plate 112

The purple sand kettle 20 comprises a tray (not shown) and a bracket 1121 positioned on the tray, wherein the purple sand kettle 20 is placed on the bracket 1121, a plurality of water leakage holes A are formed in the bracket 1121, and the tray is used for storing maintenance liquid flowing down from the water leakage holes A.

Further, a second through hole 115 communicated with the tray is further arranged on the wall of the accommodating cavity 111, the liquid storage tank 14 further comprises a recovery port, the recovery port is communicated with the tray through the second through hole 115, namely the tray and the liquid storage tank 14 can sequentially pass through the second through hole 115 and the recovery port through a water pipe to realize communication, so that the maintenance liquid stored in the tray can flow back to the liquid storage tank 14, and the maintenance liquid can be recycled.

The tray may be a funnel structure, the bracket 1121 is located at an upper end opening of the funnel structure, and a lower end opening of the funnel structure is communicated with the second through hole 115. By providing a tray with a funnel configuration, the flow of the servicing fluid to the fluid reservoir 14 is facilitated. Of course, the tray may have other configurations, and the tray may be tilted toward the second through hole 115 to facilitate the flow of the solution in the tray toward the reservoir 14.

Wherein, a one-way valve is arranged between the recovery port of the liquid storage tank 14 and the second through hole 115 to control the circulation or the closing of the return pipeline.

In the embodiment of the present invention, the water pump 15, the drying mechanism 13 and the exhaust fan 16 can be controlled by mechanical switches, for example, an individual switch can be set for each component, so that a user can select to spray or dry the dark-red enameled pottery 20 according to his or her own needs, for example, the user can press the switch of the water pump 15 to spray the dark-red enameled pottery 20 with the maintenance liquid, when the switch of the water pump 15 is pressed again, the water pump 15 can be stopped, and then the user can press the switches of the drying mechanism 13 and the exhaust fan 16 to dry the dark-red enameled pottery 20.

Alternatively, the control system may be provided to control the operations of the water pump 15, the drying mechanism 13, and the exhaust fan 16. The control system may be implemented by a single chip microcomputer, and the control system may control whether these components work or not, the working time, and the like, which will be described in detail below.

Wherein, the containing cavity 111 is provided with an opening, and the dark-red enameled pottery 20 is put into the containing cavity 111 through the opening. The automatic maintenance device 100 further includes a door 17, the door 17 is hinged to the box 11 at an opening edge of the accommodating chamber 111, and the door 17 is used for covering the opening of the accommodating chamber 111. The door 17 may be a glass door, for example.

In some embodiments, the automatic maintenance device 100 may further include a temperature and humidity detector disposed in the accommodating cavity 111 for detecting the temperature and humidity in the accommodating cavity 111, a liquid level detector disposed in the liquid storage tank 14 for detecting the liquid level of the maintenance liquid in the liquid storage tank 14, and a control system.

Wherein, a spraying mode button 116, a drying mode button 117 and a stop button 118 are further provided on the exterior of the cabinet 11. Spray mode button 116 is used to operate the control system in spray mode and dry mode button 117 is used to operate the control system in dry mode. Specifically, when the spray mode button 116 is activated, the control system controls the water pump 15 and the drying mechanism 13 to cycle sequentially, and when the cycle number reaches a preset number or a shutdown event occurs, the control system controls the water pump 15 and the drying mechanism 13 to stop working. When the drying mode button 117 is activated, the control system controls the drying mechanism 13 to start working to dry the dark-red enameled pottery 20, and until the working time reaches the preset time or a shutdown event occurs, the control system controls the drying mechanism 13 to stop working.

Further, when the drying mechanism 13 is in the working state, the exhaust fan 16 is also in the working state, i.e. the control system is also used for controlling the operation of the exhaust fan 16, and the drying mechanism 13 and the exhaust fan 16 may be in the working state at the same time.

More specifically, the working process of the embodiment of the utility model is as follows:

(1) spray pattern

When the maintenance liquid needs to be sprayed on the dark-red enameled pottery 20, firstly, the liquid storage tank 4 can be filled with the maintenance liquid (cold water or warm water), the dark-red enameled pottery 20 is placed on the bracket 1121, the box door 17 is closed, then the spraying mode button 116 is pressed, the control system controls the water pump 15 and the drying mechanism 13 to sequentially and circularly work, specifically, the water pump 15 starts to work, the maintenance liquid in the liquid storage tank 14 is pumped to the spraying head 12, and the spraying head 12 sprays the maintenance liquid on the dark-red enameled pottery 20; when the water pump 15 works for a predetermined time, such as 2 minutes or 3 minutes, the water pump 15 stops working, the control system controls the drying mechanism 13 and the exhaust fan 16 to start working, at this time, the heating rod 131 is heated, the air inlet machine 132 blows heat of the heating rod 131 to the dark-red enameled pottery 20 in a hot air mode for drying, and the exhaust fan 16 works at the same time to exhaust moisture in the accommodating cavity 111; when the temperature and humidity detector detects that the temperature and humidity in the accommodating cavity 111 are within a preset range, or the drying mechanism 13 and the exhaust fan 16 work for a preset time period such as 1 minute or 2 minutes, the control system controls the drying mechanism 13 and the exhaust fan 16 to stop working; and the water pump 15 works again to pump water, stops working after working for a preset time, then the drying mechanism 13 and the exhaust fan 16 work again, and the operation is circulated in such a way, and the control system controls the water pump 15, the drying mechanism 13 and the exhaust fan 16 to stop working until the circulation times reach the preset times or a shutdown event occurs.

Wherein, the humiture in holding chamber 111 can be understood as in predetermineeing the within range: the temperature in the accommodating chamber 111 is within a preset temperature range and/or the humidity in the accommodating chamber 111 is within a preset humidity range, at which time the drying mechanism 13 and the exhaust fan 16 stop operating.

The predetermined number of times may be, for example, 2 times, 4 times or more, that is, the water pump 15, the drying mechanism 13 and the exhaust fan 16 are stopped after the number of cycles reaches 2 times or 4 times. Or in the event of a shutdown event, these components also cease to operate. Wherein, in the spraying mode, the shutdown event comprises the door 17 being opened, the shutdown button 118 being pressed, or the liquid level detector detecting that the liquid level in the liquid storage tank 14 is lower than a preset level value, that is, when one of the shutdown events occurs, the control system controls the water pump 15, the drying mechanism 13, and the exhaust fan 16 to stop working. The liquid level detector is connected with the control system to send liquid level detection data to the control system, a detector used for opening or closing the box door 17 can be arranged between the box door 17 and the box body 11, for example, the detector can be realized by using a distance sensor or an infrared sensor, the distance sensor can be placed on the box door 17 or on the box body 11, when the distance between the box door 17 and the box body 11 is detected to be larger than a preset value, the box door 17 is opened, a signal for opening the box door 17 is sent to the control system at the moment, and the control system controls components such as the water pump 15 to stop working according to the signal.

In addition, when the liquid level in the liquid storage tank 14 is lower than the preset liquid level value, the control system controls the water pump 15, the drying mechanism 13 and the exhaust fan 16 to stop working, and further, after the liquid level is lower than the preset liquid level value for more than a preset time, the control system controls the water cup 15 and other components to stop working.

(2) Drying mode

In the drying mode, firstly, the dark-red enameled pottery 20 is placed into the accommodating cavity 111, the door 17 is closed, the drying mode button 117 is pressed, the control system controls the drying mechanism 13 and the exhaust fan 16 to work simultaneously, at this time, the heating rod 131 performs heating work, the air inlet machine 132 blows hot air to the dark-red enameled pottery 20, the exhaust fan 16 exhausts moisture in the accommodating cavity 111, and until the working time reaches a preset time, such as 3 minutes or 4 minutes, or a shutdown event occurs, the control system controls the drying mechanism 13 and the exhaust fan 16 to stop working.

In the drying mode, the shutdown event includes that the door 17 is opened, the shutdown button 118 is pressed, or when the temperature and humidity detector detects that the temperature and humidity in the accommodating cavity 111 are within a preset range, that is, when one of the shutdown events occurs, the control system controls the drying mechanism 13 and the exhaust fan 16 to stop working.

Through the automatic maintenance device 100 of the embodiment of the utility model, the automatic maintenance of the dark-red enameled pottery 20 can be realized, time and labor are saved, and the maintenance efficiency is greatly improved.

The above description is only an alternative embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications and equivalents of the present invention, which are made by the contents of the present specification and the accompanying drawings, or directly/indirectly applied to other related technical fields, are included in the scope of the present invention.

Claims (7)

1. An automatic maintenance device, comprising:

the maintenance box comprises a box body, wherein an accommodating cavity is formed in the box body, a bearing plate for placing an article to be maintained is arranged at the bottom of the accommodating cavity, and a first through hole is formed in the cavity wall of the accommodating cavity;

the spraying head is arranged in the accommodating cavity and is used for spraying maintenance liquid to the article to be maintained;

the drying mechanism is arranged in the accommodating cavity and used for drying the object to be maintained;

the liquid storage tank is used for storing maintenance liquid and comprises a water outlet and a water inlet;

the water inlet of the water pump is connected with the water outlet of the liquid storage tank, and the water outlet of the water pump is connected with the sprinkler head through the first through hole so as to pump the maintenance liquid in the liquid storage tank to the sprinkler head.

2. The automatic maintenance device according to claim 1, wherein the drying mechanism includes a heating rod fixed to the top of the housing chamber and an air inlet fan fixed to the top of the housing chamber and located below the heating rod.

3. The automatic maintenance device according to claim 2, wherein an air inlet is formed at the top of the accommodating cavity corresponding to the position of the heating rod;

the lateral wall that holds the chamber still is provided with the air outlet, air outlet department is provided with the exhaust fan.

4. The automatic maintenance device according to claim 1, wherein the spray heads are provided in plural numbers, and the plural spray heads are dispersedly fixed on the top of the receiving chamber or fixed above the side wall of the receiving chamber.

5. The automatic maintenance device according to claim 1, wherein the liquid storage tank and the water pump are arranged outside the box body, a filter screen and a tank cover are arranged at a water inlet of the liquid storage tank, and the tank cover covers the water inlet.

6. The automatic maintenance device according to claim 1, wherein the carrier plate includes a tray on which an article to be maintained is placed and a bracket on the tray, the bracket being provided with a water leakage hole, the tray being for storing the maintenance liquid flowing down from the water leakage hole;

the cavity wall of the accommodating cavity is provided with a second through hole communicated with the tray, the liquid storage tank further comprises a recycling port, and the recycling port is communicated with the tray through the second through hole.

7. The automatic maintenance device according to claim 6, wherein the tray is of a funnel structure, the bracket is located at an upper end opening of the funnel structure, and a lower end opening of the funnel structure is communicated with the second through hole;

a one-way valve is arranged between the recovery port and the second through hole.

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