阅读说明：本技术 一种电器火灾防护方法及防护装置 (Fire protection method and device for electrical appliance ) 是由 刘剑 于 2020-12-10 设计创作，主要内容包括：本发明提供一种电器火灾防护方法及防护装置。所述电器火灾防护装置,包括配电柜,所述配电柜内部的两侧之间转动连接有转动轴,所述转动轴的外表面固定连接有两个缠绕轮。本发明提供的电器火灾防护方法及防护装置,能够第一时间进行自动灭火以及报警,通过设置的烟雾传感器,对火灾产生的烟雾进行检测,然后将检测的信号传输给控制器,使得控制器控制第一电机启动,使得干粉灭火器上的挡板向下滑动,将散热孔进行密封,然后控制干粉灭火器上的自动开关开启,带动干粉灭火器向下运动喷射干粉,从而对火灾进行灭火,并且在干粉灭火器向下运动过程中,推动移动板触碰到控制开关,报警器启动,发出报警声,提醒周围检修人员进行检修。(The invention provides a fire protection method and a fire protection device for an electrical appliance. Electric appliance conflagration protector, including the switch board, it is connected with the axis of rotation to rotate between the inside both sides of switch board, the surface fixed connection of axis of rotation has two winding wheels. The electric appliance fire protection method and the protection device can automatically extinguish a fire and give an alarm at the first time, smoke generated by the fire is detected through the arranged smoke sensor, then the detected signal is transmitted to the controller, the controller controls the first motor to start, the baffle on the dry powder fire extinguisher slides downwards to seal the heat dissipation holes, the automatic switch on the dry powder fire extinguisher is controlled to be opened, the dry powder fire extinguisher is driven to move downwards to spray dry powder, the fire is extinguished, in the downward movement process of the dry powder fire extinguisher, the movable plate is pushed to touch the control switch, the alarm is started, and an alarm sound is given out to remind surrounding maintenance personnel to overhaul.)

1. The fire protection device for the electric appliance is characterized by comprising a power distribution cabinet (1), a rotating shaft (2) is rotatably connected between two sides inside the power distribution cabinet (1), two winding wheels (3) are fixedly connected to the outer surface of the rotating shaft (2), a traction rope (4) is fixedly connected to the outer surface of each of the two winding wheels (3), a dry powder fire extinguisher (5) is arranged at the bottom end of each traction rope (4), a baffle (6) is fixedly connected to one side of each dry powder fire extinguisher (5), one side of each baffle (6) is slidably connected to one side inside the power distribution cabinet (1), a shell (10) is fixedly connected to each of two sides of the power distribution cabinet (1), heat dissipation holes (11) are formed in each shell (10), the heat dissipation holes (11) are located at positions behind the baffle (6), and a movable plate (24) is slidably connected between two sides inside the power distribution cabinet (1), the both sides of switch board (1) all are provided with alarm (25), the both sides of moving plate (24) bottom all are provided with extrusion spring (27), two the bottom of extrusion spring (27) all set up in inside one side of switch board (1) to the inside one side of switch board (1) and the bottom that is located moving plate (24) are provided with control switch (28).

2. The electrical appliance fire protection device according to claim 1, wherein an electrical appliance body (7) is arranged on one side inside the power distribution cabinet (1) through a support frame, an air switch (8) is arranged on the electrical appliance body (7), and a standby power supply module (9) is arranged on one side of the power distribution cabinet (1).

3. The electrical appliance fire protection device according to claim 1, wherein a sliding plate (12) is slidably connected between two sides inside the housing (10), a cleaning brush (13) is arranged on the sliding plate (12), a groove body (14) is formed inside the sliding plate (12), a stop block (15) is slidably connected between two sides inside the groove body (14), a suction pump (16) is arranged on one side inside the groove body (14), a connecting pipe (17) is communicated with one side of the suction pump (16), a dust suction head (18) is arranged at the bottom of the sliding plate (12), and one end of the connecting pipe (17) is communicated with the inside of the dust suction head (18).

4. The electrical appliance fire protection device according to claim 3, wherein a roller (19) is rotatably connected between two sides inside the tank body (14), a fixing plate (20) is fixedly connected to the roller (19), adhesive paper (21) is arranged on the fixing plate (20), the other side of the suction pump (16) is communicated with an air inlet pipe (22), and one end of the air inlet pipe (22) penetrates through the baffle plate (6) and extends to one side of the baffle plate (6).

5. The electrical fire protection device according to claim 3, wherein an electric telescopic rod (23) is arranged at one side inside the housing (10), and the bottom end of the electric telescopic rod (23) is fixed on the sliding plate (12).

6. The electrical fire protection device according to claim 2, wherein a controller (29) is arranged at the bottom of the electrical appliance body (7), a first motor (30) is arranged at one side of the top of the electrical appliance body (7), a worm (31) is fixedly connected to one end of an output shaft of the first motor (30), a worm wheel (32) is fixedly connected to the outer surface of the rotating shaft (2), the outer surface of the worm wheel (32) is in transmission connection with the outer surface of the worm (31), and a smoke sensor (33) is arranged at one side of the top of the electrical appliance body (7).

7. The electrical appliance fire protection device according to claim 1, wherein a mounting member (34) is fixedly connected to one side of the power distribution cabinet (1), a solar component (35) is arranged on one side of the mounting member (34), a mounting plate (36) is fixedly connected to one side of the solar component (35), one side of the mounting plate (36) penetrates through the mounting member (34) and extends to the inside of the mounting member (34), one side of the mounting plate (36) extending to the inside of the mounting member (34) is in contact with one side of the inside of the mounting member (34), and a straight tooth plate (37) is fixedly connected to the bottom of the mounting plate (36).

8. Electrical fire protection device according to claim 7, characterised in that a second electric motor (38) is arranged on one side inside the mounting (34), a gear (39) is fixedly connected to an output shaft of the second motor (38), the outer surface of the gear (39) is meshed with the bottom of the straight-tooth plate (37), a sliding piece (40) is fixedly connected to the gear (39), a displacement plate (41) is connected between the two sides of the inner part of the mounting piece (34) in a sliding manner, the displacement plate (41) is provided with a sliding groove (42), the outer surface of the sliding part (40) is connected with the inside of the sliding groove (42) in a sliding way, a clamping block (43) is fixedly connected on the displacement plate (41), a clamping groove (44) is arranged on the mounting plate (36), one side of the clamping block (43) penetrates through the clamping groove (44) and extends to the inside of the clamping groove (44).

9. An electrical fire protection method comprising an electrical fire protection device as claimed in any one of claims 1 to 8, the electrical fire protection device requiring an electrical fire protection method to be applied during use, a method of electrical fire protection comprising the steps of:

s1, when the power distribution cabinet is in fire, firstly, an air switch in the power distribution cabinet automatically trips to cut off the power of electric appliances and electric elements in the power distribution cabinet;

s2, detecting smoke generated by combustion through a smoke sensor;

and S3, when smoke is detected, transmitting a smoke signal to the controller, and controlling the protection device through the controller to extinguish the fire.

Technical Field

The invention relates to the field of electrical appliance fires, in particular to a fire protection method and a fire protection device for an electrical appliance.

Background

Electrical appliances generally refer to all appliances using electricity, and from the professional perspective, the electrical appliances mainly refer to electrical devices, equipment and elements which are used for connecting and disconnecting a circuit and converting circuit parameters so as to realize the functions of controlling, adjusting, switching, detecting, protecting and the like of the circuit or electrical equipment; from the perspective of the general public, the household appliances mainly refer to some common household appliances which provide convenience for life, such as televisions, air conditioners, refrigerators, washing machines, various small household appliances and the like.

At present, when using electrical apparatus, generally put into the switch board with it to the switch board generally sets up and uses outdoors, uses in forming a complete set between electric element through in the switch board and the electrical apparatus, and wherein when electrical apparatus uses, there is certain drawback, when the electrical apparatus conflagration breaks out, because nobody guards around the switch board, makes unable the very first time put out a fire, and then delays the best time of putting out a fire, causes the lives and property to receive the loss.

Therefore, it is necessary to provide a fire protection method and a device for electrical appliances to solve the above technical problems.

Disclosure of Invention

The invention provides a fire protection method and a protection device for an electrical appliance, which solve the problem that when the electrical appliance is in fire, due to the fact that nobody watches the periphery of a power distribution cabinet, fire cannot be put out at the first time, the optimal fire-extinguishing time is delayed, and life and property are lost.

In order to solve the technical problems, the fire protection device for the electric appliance comprises a power distribution cabinet, a rotating shaft is rotatably connected between two sides in the power distribution cabinet, two winding wheels are fixedly connected to the outer surface of the rotating shaft, a traction rope is fixedly connected to the outer surfaces of the two winding wheels, a dry powder fire extinguisher is arranged at the bottom end of the traction rope, a baffle is fixedly connected to one side of the dry powder fire extinguisher, one side of the baffle is slidably connected to one side in the power distribution cabinet, a shell is fixedly connected to two sides of the power distribution cabinet, heat dissipation holes are formed in the shell and are located at positions behind the baffle, a moving plate is slidably connected between two sides in the power distribution cabinet, alarms are arranged on two sides of the power distribution cabinet, extrusion springs are arranged on two sides of the bottom of the moving plate, and bottom ends of the two extrusion springs are arranged on one side in the, and a control switch is arranged on one side inside the power distribution cabinet and at the bottom of the movable plate.

Preferably, an electric appliance body is arranged on one side inside the power distribution cabinet through a support frame, an air switch is arranged on the electric appliance body, and a standby power supply module is arranged on one side of the power distribution cabinet.

Preferably, a sliding plate is slidably connected between two sides inside the shell, a cleaning brush is arranged on the sliding plate, a groove body is formed in the sliding plate, a stop block is slidably connected between two sides inside the groove body, a suction pump is arranged on one side inside the groove body, a connecting pipe is communicated with one side of the suction pump, a dust collection head is arranged at the bottom of the sliding plate, and one end of the connecting pipe is communicated with the inside of the dust collection head.

Preferably, a roller is rotatably connected between two sides inside the groove body, a fixing plate is fixedly connected to the roller, adhesive paper is arranged on the fixing plate, the other side of the suction pump is communicated with an air inlet pipe, and one end of the air inlet pipe penetrates through the baffle and extends to one side of the baffle.

Preferably, an electric telescopic rod is arranged on one side inside the shell, and the bottom end of the electric telescopic rod is fixed on the sliding plate.

Preferably, the bottom of electrical apparatus body is provided with the controller, one side at electrical apparatus body top is provided with first motor, the one end fixedly connected with worm of first motor output shaft, the surface fixedly connected with worm wheel of axis of rotation, the surface of worm wheel with the surface transmission of worm is connected to one side at electrical apparatus body top is provided with smoke transducer.

Preferably, one side fixedly connected with installed part of switch board, one side of installed part is provided with solar energy component, one side fixedly connected with mounting panel of solar energy component, one side of mounting panel is run through the installed part extends to the inside of installed part, the mounting panel extends to inside one side of installed part contact in inside one side of installed part, the bottom fixed connection straight-tooth plate of mounting panel.

Preferably, one side of the inside of installed part is provided with the second motor, fixedly connected with gear on the output shaft of second motor, the surface of gear with the bottom meshing of straight-teeth plate, fixedly connected with slider on the gear, sliding connection has the displacement plate between the inside both sides of installed part, the sliding tray has been seted up on the displacement plate, the surface sliding connection of slider in the inside of sliding tray, fixedly connected with chucking piece on the displacement plate, the chucking groove has been seted up on the mounting panel, one side of chucking piece is run through the chucking groove extends to the inside in chucking groove.

An electrical appliance fire protection method comprises the electrical appliance fire protection device, wherein the electrical appliance fire protection device needs to be used in the using process, and the electrical appliance fire protection method comprises the following steps:

s1, when the power distribution cabinet is in fire, firstly, an air switch in the power distribution cabinet automatically trips to cut off the power of electric appliances and electric elements in the power distribution cabinet;

s2, detecting smoke generated by combustion through a smoke sensor;

and S3, when smoke is detected, transmitting a smoke signal to the controller, and controlling the protection device through the controller to extinguish the fire.

Compared with the related technology, the fire protection method and the protection device for the electrical appliance have the following beneficial effects:

(1) the invention provides a fire protection method and a protection device for an electrical appliance, which can automatically extinguish a fire and overhaul at the first time, smoke generated by the fire is detected through an arranged smoke sensor, then a detected signal is transmitted to a controller, the controller controls a first motor to start, a baffle on a dry powder fire extinguisher slides downwards, heat dissipation holes are sealed, an automatic switch on the dry powder fire extinguisher is controlled to be opened, the dry powder fire extinguisher is driven to move downwards to spray dry powder, the fire is extinguished, and in the downward movement process of the dry powder fire extinguisher, a movable plate is pushed to touch a control switch, an alarm is started, and an alarm sound is given out to remind surrounding personnel to overhaul;

(2) the invention provides a fire protection method and a protection device for an electrical appliance, which can improve the heat dissipation efficiency of the electrical appliance and avoid the accumulation of a large amount of heat by periodically cleaning the heat dissipation holes on a power distribution cabinet, thereby easily causing fire;

(3) the invention provides an electric appliance fire protection method and a protection device, wherein a solar component is arranged on a power distribution cabinet, so that a standby power supply module can be charged, and the standby power supply module can be shielded from rain, thereby avoiding the damage of the standby power supply module caused by long-time exposure in an external environment.

Drawings

FIG. 1 is a schematic structural diagram of a preferred embodiment of a fire protection method and device for an electrical appliance according to the present invention;

FIG. 2 is a side view of the housing shown in FIG. 1;

FIG. 3 is a schematic view of the internal structure of the housing shown in FIG. 2;

FIG. 4 is a side cross-sectional structural view of the slide plate shown in FIG. 3;

FIG. 5 is an enlarged partial view of the structure at A shown in FIG. 1;

FIG. 6 is a cross-sectional structural view of the mount shown in FIG. 1;

fig. 7 is a side view of the gear shown in fig. 6.

Reference numbers in the figures: 1. a power distribution cabinet; 2. a rotating shaft; 3. a winding wheel; 4. a hauling rope; 5. a dry powder extinguisher; 6. a baffle plate; 7. an appliance body; 8. an air switch; 9. a standby power supply module; 10. a housing; 11. heat dissipation holes; 12. a sliding plate; 13. cleaning a brush; 14. a trough body; 15. a stopper; 16. a suction pump; 17. a connecting pipe; 18. a dust collection head; 19. a drum; 20. a fixing plate; 21. sticking paper; 22. an air inlet pipe; 23. an electric telescopic rod; 24. moving the plate; 25. an alarm; 27. a compression spring; 28. a control switch; 29. a controller; 30. a first motor; 31. a worm; 32. a worm gear; 33. a smoke sensor; 34. a mounting member; 35. a solar module; 36. mounting a plate; 37. a spur plate; 38. a second motor; 39. a gear; 40. a slider; 41. a displacement plate; 42. a sliding groove; 43. a clamping block; 44. and (4) clamping the groove.

Detailed Description

The invention is further described with reference to the following figures and embodiments.

Please refer to fig. 1, fig. 2, fig. 3, fig. 4, fig. 5, fig. 6 and fig. 7 in combination, wherein fig. 1 is a schematic structural diagram of a preferred embodiment of a fire protection method and a fire protection device for an electrical appliance according to the present invention; FIG. 2 is a side view of the housing shown in FIG. 1; FIG. 3 is a schematic view of the internal structure of the housing shown in FIG. 2; FIG. 4 is a side cross-sectional structural view of the slide plate shown in FIG. 3; FIG. 5 is an enlarged partial view of the structure at A shown in FIG. 1; FIG. 6 is a cross-sectional structural view of the mount shown in FIG. 1; fig. 7 is a side view of the gear shown in fig. 6. The fire protection device for the electric appliance comprises a power distribution cabinet 1, a rotating shaft 2 is rotatably connected between two sides of the interior of the power distribution cabinet 1, the outer surface of the rotating shaft 2 is fixedly connected with two winding wheels 3, the outer surfaces of the two winding wheels 3 are both fixedly connected with a traction rope 4, the bottom end of the traction rope 4 is provided with a dry powder fire extinguisher 5, one side of the dry powder fire extinguisher 5 is fixedly connected with a baffle 6, one side of the baffle 6 is connected with one side of the inside of the power distribution cabinet 1 in a sliding way, a moving plate 24 is connected between the two sides of the inside of the power distribution cabinet 1 in a sliding way, the two sides of the power distribution cabinet 1 are both provided with an alarm 25, the two sides of the bottom of the movable plate 24 are both provided with extrusion springs 27, the bottom ends of the two extrusion springs 27 are both arranged on one side of the interior of the power distribution cabinet 1, a control switch 28 is arranged on one side of the inside of the power distribution cabinet 1 and at the bottom of the moving plate 24;

the power supply of the control switch 28 is connected with the standby power supply module 9;

the alarm 25 is used for giving an alarm to remind surrounding maintainers to detect and maintain the electric appliances in the power distribution cabinet, so that the normal electricity utilization condition of residents is prevented from being delayed;

the dry powder fire extinguisher 5 is provided with an automatic switch, and the controller 29 controls the automatic switch to be turned on so as to spray dry powder to extinguish fire;

the baffle 6 is arranged for blocking air from the heat dissipation holes 11 to seal the power distribution cabinet 1, so that the external air is prevented from blowing into the power distribution cabinet 1 to cause the spread of fire;

when the rope is released by the winding wheel 3, the dry powder fire extinguisher 5 moves downwards, so that dry powder can be conveniently sprayed to extinguish fire.

An electrical appliance body 7 is arranged on one side inside the power distribution cabinet 1 through a support frame, an air switch 8 is arranged on the electrical appliance body 7, and a standby power supply module 9 is arranged on one side of the power distribution cabinet 1;

the standby power supply module 9 adopts the prior art, and only needs to supply power to the first motor 30, the alarm 25, the smoke sensor 33 and the automatic switch on the dry powder fire extinguisher 5;

air switch 8 adopts prior art for when the conflagration breaing out, make air switch 8 carry out automatic tripping operation, and then cut off the power supply to electrical component and electrical apparatus in switch board 1.

The cleaning device comprises a power distribution cabinet 1, and is characterized in that two sides of the power distribution cabinet 1 are fixedly connected with a shell 10, heat dissipation holes 11 are formed in the shell 10, a sliding plate 12 is connected between the two sides inside the shell 10 in a sliding manner, a cleaning brush 13 is arranged on the sliding plate 12, a groove body 14 is formed inside the sliding plate 12, a stop block 15 is connected between the two sides inside the groove body 14 in a sliding manner, a suction pump 16 is arranged on one side inside the groove body 14, a connecting pipe 17 is communicated with one side of the suction pump 16, a dust collection head 18 is arranged at the bottom of the sliding plate 12, and one end of the connecting pipe 17 is;

the suction pump 16 is connected with an external power supply and a control switch;

the arranged suction pump 16 absorbs dust floating in the air during ash removal, so that the effect of dust removal is achieved, and internal electrical appliances and electrical elements are prevented from being polluted.

A roller 19 is rotatably connected between two sides inside the tank body 14, a fixing plate 20 is fixedly connected to the roller 19, adhesive paper 21 is arranged on the fixing plate 20, the other side of the suction pump 16 is communicated with an air inlet pipe 22, and one end of the air inlet pipe 22 penetrates through the baffle 6 and extends to one side of the baffle 6;

the sticker 21 is used to adhere the sucked dust.

An electric telescopic rod 23 is arranged on one side inside the shell 10, and the bottom end of the electric telescopic rod 23 is fixed on the sliding plate 12;

the electric telescopic rod 23 is connected with an external power supply and a control switch;

the electric telescopic handle 23 who sets up makes can drive cleaning brush 13 and carry out reciprocal contact friction on louvre 11 to reach the effect of clearing up the dust on the louvre 11.

The bottom of the electric appliance body 7 is provided with a controller 29, one side of the top of the electric appliance body 7 is provided with a first motor 30, one end of an output shaft of the first motor 30 is fixedly connected with a worm 31, the outer surface of the rotating shaft 2 is fixedly connected with a worm wheel 32, the outer surface of the worm wheel 32 is in transmission connection with the outer surface of the worm 31, and one side of the top of the electric appliance body 7 is provided with a smoke sensor 33;

the power supply of the first motor 30 is connected with the standby power supply module 9;

the smoke sensor 33 is connected with the standby power supply module 9;

the controller 29 is electrically connected with the standby power module 9 and is used for controlling the starting of the first motor 30, the starting of the smoke sensor 33 and the starting of the automatic switch of the dry powder fire extinguisher 5.

Switch board 1's one side fixedly connected with installed part 34, one side of installed part 34 is provided with solar energy component 35, one side fixedly connected with mounting panel 36 of solar energy component 35, one side of mounting panel 36 is run through installed part 34 and extend to the inside of installed part 34, mounting panel 36 extends to the inside one side of installed part 34 contact in the inside one side of installed part 34, the bottom fixed connection straight-tooth plate 37 of mounting panel 36.

A second motor 38 is arranged on one side inside the mounting part 34, a gear 39 is fixedly connected to an output shaft of the second motor 38, the outer surface of the gear 39 is meshed with the bottom of the straight-tooth plate 37, a sliding part 40 is fixedly connected to the gear 39, a displacement plate 41 is slidably connected between two sides inside the mounting part 34, a sliding groove 42 is formed in the displacement plate 41, the outer surface of the sliding part 40 is slidably connected inside the sliding groove 42, a clamping block 43 is fixedly connected to the displacement plate 41, a clamping groove 44 is formed in the mounting plate 36, and one side of the clamping block 43 penetrates through the clamping groove 44 and extends into the clamping groove 44;

the solar component 35 is electrically connected with the standby power supply module 9;

the solar module 35 adopts the prior art, and only the standby power module 9 needs to be charged through the arranged solar module 35, so that the function of storing electric energy is achieved;

the arranged solar component 35 also has the rainproof effect, and can shield the standby power supply module 9 from rain;

the power supply and the control switch of the second motor 38 are electrically connected with the standby power supply module 9 to provide power for the second motor 38 during working;

the second motor 38 is a forward and reverse rotating motor, so that the solar module 35 is detached and mounted, and is detached for ash removal;

the second motor 38 is a self-locking motor, and is used for fixing the mounting plate 36 through the engagement between the gear 39 and the straight tooth plate 37, and the clamping groove 44 and the clamping block 43 are clamped and fixed, so that the firmness of mounting the solar module 35 is improved;

the clamping groove 44 is adapted to the clamping block 43.

An electrical appliance fire protection method comprises the electrical appliance fire protection device, wherein the electrical appliance fire protection device needs to be used in the using process, and the electrical appliance fire protection method comprises the following steps:

s1, when the power distribution cabinet is in fire, firstly, an air switch in the power distribution cabinet automatically trips to cut off the power of electric appliances and electric elements in the power distribution cabinet;

s2, detecting smoke generated by combustion through a smoke sensor;

and S3, when smoke is detected, transmitting a smoke signal to the controller, and controlling the protection device through the controller to extinguish the fire.

The working principle of the fire protection method and the protection device for the electrical appliance provided by the invention is as follows:

the first step is as follows: when the electric appliance body 7 is in use and a fire is on, firstly, the air switch 8 on the electric appliance body 7 automatically trips to cut off the power of the electric appliance body 7 and the electric elements on the power distribution cabinet 1, smoke is detected through the arranged smoke sensor 33, when a smoke signal is detected, the controller 29 controls the first motor 30 to start, the worm 31 on the output shaft of the first motor 30 rotates, the worm wheel 32 on the rotating shaft 2 rotates through the relation of transmission connection, the rotating shaft 2 rotates to drive the winding wheel 3 to rotate, the wound traction rope 4 is paid off, the dry powder fire extinguisher 5 moves downwards, the baffle 6 is driven to slide on the inner wall of the power distribution cabinet 1, the baffle 6 slides to be on the same horizontal line with the shell 10, the heat dissipation holes 11 on the power distribution cabinet 1 are sealed, and then the switch on the dry powder fire extinguisher 5 is automatically opened, then, dry powder is sprayed on the electric appliance body 7, so that the fire extinguishing effect is achieved;

the second step is that: the dry powder extinguisher 5 moves downwards until the moving plate 24 is squeezed, so that the moving plate 24 slides downwards, the bottom of the moving plate 24 touches the control switch 28, the alarm 25 is started, and the 'dripping' sound is given;

the third step: in the daily use process of the electric appliance body 7, a large amount of heat can be generated, the generated heat is released through the heat dissipation holes 11 formed in the power distribution cabinet 1, and then the cooling effect is achieved, when in summer, a large amount of dust is easily accumulated on the heat dissipation holes 11, so that the heat cannot be released, the heat inside the power distribution cabinet 1 is increased, and further a fire disaster easily occurs, so that the dust in the heat dissipation holes 11 needs to be cleaned, the electric appliance body 7 is protected, and the fire disaster is avoided;

the fourth step: when cleaning, the electric telescopic rod 23 is started, the sliding plate 12 is pushed to slide downwards in the shell 10, so that the cleaning brush 13 on the sliding plate 12 performs contact friction on the heat dissipation hole 11, and then dust on the heat dissipation hole 11 is swept, in order to avoid that part of dust floats into the power distribution cabinet 1 in the sweeping process and further causes electrical pollution, the suction pump 16 is started during cleaning, so that the dust suction head 18 on the suction pump 16 sucks the drifting dust, and then the sucked dust is transported to the right side of the stop block 15 through the transportation of the connecting pipe 17 and the air inlet pipe 22, so that the dust is collected in a centralized manner;

the fifth step: charging and protection are carried out to stand-by power supply module 9 through solar energy component 35 who sets up, when installing, at first, insert the inside of installed part 34 with mounting panel 36, then start second motor 38, make second motor 38 output epaxial gear 39 rotate, thereby straight-tooth plate 37 on the mounting panel 36 through with the meshing between the gear 39, drive mounting panel 36 and carry out the leftward movement, make and contact with the inner wall of installed part 34, then at gear 39 pivoted in-process, the slider that drives on the gear 39 pushes away displacement plate 41 and carries out the upwards slip, make chucking piece 43 on the displacement plate 41 enter into the inside in chucking groove 44, thereby carry out fixed joint to mounting panel 36, and then accomplish the installation to solar energy component 35.

Compared with the related technology, the fire protection method and the protection device for the electrical appliance have the following beneficial effects:

the device can automatically extinguish a fire and give an alarm at the first time, smoke generated by a fire is detected through the arranged smoke sensor 33, then a detected signal is transmitted to the controller 29, the controller 29 controls the first motor 30 to be started, the baffle on the dry powder fire extinguisher 5 slides downwards to seal the heat dissipation holes 11, then the automatic switch on the dry powder fire extinguisher 5 is controlled to be opened, the dry powder fire extinguisher 5 is driven to move downwards to spray dry powder, the fire is extinguished, in the downward movement process of the dry powder fire extinguisher 5, the movable plate 24 is pushed to touch the control switch 28, the alarm 25 is started, an alarm sound is given, and surrounding personnel are reminded to extinguish the fire;

the heat dissipation efficiency of the electric appliance is improved by regularly cleaning the heat dissipation holes 11 on the power distribution cabinet 1, so that the accumulation of a large amount of heat is avoided, and further, a fire disaster is easy to happen;

through installing solar energy component 35 on switch board 1, not only can charge stand-by power supply module 9, can also hide rain to stand-by power supply module 9, avoid exposing for a long time in the external environment, cause stand-by power supply module 9's damage.

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