CN216253706U - A new type of electrical automation instrument protection device - Google Patents

Abstract

The utility model discloses a novel electrical automation instrument protection device, comprising a box body, a blower assembly is arranged inside the box body, and the blower assembly includes a forward and reverse rotation motor, a screw rod, a guide rod, a moving plate and a cooling fan, The forward and reverse rotation motor is fixedly connected to the lower end of the left inner wall of the box body, one end of the screw is fixedly connected to the output end of the forward and reverse rotation motor, and the other end of the screw rod is rotatably connected to the right inner wall of the box body through a bearing, The guide rod is fixedly connected inside the box body and is symmetrically distributed with the screw rod, the front end of the moving plate is threadedly connected to the screw rod, and the rear end of the moving plate is slidably connected to the guide rod, and the cooling fan is fixedly connected in the middle of the mobile board. The novel electrical automation instrument protection device of the utility model is used in conjunction with the provided temperature sensor, blowing component, dust removal component and cooling component, which is beneficial to rapidly cooling the inside of the box and the instrument.

Description

A new type of electrical automation instrument protection device

technical field

The utility model relates to the technical field of instrument protection, in particular to a novel electrical automation instrument protection device.

Background technique

Electrical automation instrument is composed of several automation components. It is an automation technology tool with relatively complete functions. It is mainly used to detect, measure, observe, and calculate various physical quantities, material components, physical parameters, etc. The electrical automation instrument protection device is The utility model relates to a device for protecting electrical automation instruments, which plays a role in protecting the electrical automation instrument protection device.

The electrical automation instrument protection device in the prior art can only play a protective role when the instrument is subjected to external impact, the protection of the instrument is relatively simple, and there are many deficiencies, especially in the southern region, the ambient temperature in summer is too high, so that the The internal temperature of the protection device increases, which not only has a certain impact on the work of the instrument, but also reduces the service life of the instrument, and even causes the instrument to fail and damage. Therefore, we propose a new type of electrical automation instrument protection device.

Utility model content

The main purpose of the present utility model is to provide a novel electrical automation instrument protection device, which can effectively solve the problems in the background technology.

To achieve the above purpose, the technical scheme adopted by the present utility model is:

A new type of protection device for electrical automation instruments, including a box body, a blower assembly is arranged inside the box body, the blower assembly includes a forward and reverse rotation motor, a screw, a guide rod, a moving plate and a cooling fan, the forward and reverse rotation is The motor is fixedly connected to the lower end of the left inner wall of the box body, one end of the screw rod is fixedly connected to the output end of the forward and reverse rotation motor, and the other end of the screw rod is connected to the right inner wall of the box body through the bearing rotation, and the guide rod is fixed Connected to the inside of the box and distributed symmetrically with the screw, the front end of the moving plate is threadedly connected to the screw, the rear end of the moving plate is slidingly connected to the guide rod, and the cooling fan is fixedly connected to the middle of the moving plate , a dust removal assembly is arranged below the moving plate, a No. 1 fixing frame and a No. 2 fixing frame are fixedly connected inside the box and located above the blowing assembly, and a water absorbing net is installed inside the No. 1 fixing frame, so A dehumidification net is installed on the inner wall of the No. 2 fixed frame, a temperature sensor is fixedly installed in the middle of the left inner wall of the box, and a cooling component is installed on the right side of the inner bottom wall of the box, so that the temperature sensor can transmit the signal. To the external controller, the external controller controls the water pump, the forward and reverse motor and the cooling fan to turn on synchronously. With the cooperation of the air blowing component, the dust removal component and the cooling component, the forward and reverse motor drives the screw to rotate, and can also drive the moving plate in the guide. The rod moves up, so that the moving plate drives the cooling fan to move left and right, so that the cooling fan can blow air evenly on the water absorption net, speed up the evaporation rate of water in the water absorption net, and is conducive to cooling the inside of the box.

A further improvement of the present invention is that a box door is hinged on the upper side of the front side of the box body, and the lower side of the front side of the box body corresponds to the air outlet assembly, the No. 1 fixing frame and the No. 2 fixing frame. Access doors are hinged so that opening the access doors allows access and maintenance to the blower, dust collector, and cooling components.

A further improvement of the present invention lies in that the upper ends of the left and right sides of the box body are provided with a plurality of radiating holes distributed at equal intervals, and the middle part of the inner bottom wall of the box body and the position corresponding to the blower assembly are opened with There are through holes, and a filter plate is installed inside the through hole, so that the filter plate can prevent external sundries from entering the box and affect the normal use.

A further improvement of the present invention is that the dust removal assembly includes two L-shaped rods, one end of the two L-shaped rods is respectively bolted to the lower surfaces of the front and rear ends of the moving plate, and the other end of the two L-shaped rods A connecting block is fixedly connected to the lower surface of one end, and an installation frame is fixedly connected to the lower surface of the two connecting blocks. The left and right inner walls of the lower end of the installation frame are provided with installation grooves, and the interior of the installation groove is slidably connected to the limit plate A reset spring is fixedly connected between the limit plate and the installation groove, a side of the limit plate away from the reset spring is fixedly connected with an inclined block, and the end of the inclined block away from the limit plate penetrates through the installation groove and extends to the installation Inside the frame, the inside of the two mounting frames is clamped with the same movable plate, the side wall of the movable plate is provided with a groove that is adapted to the inclined block, and the inclined block is slidably connected inside the groove, The lower surface of the movable plate is fixedly connected with a cleaning brush, and the bottom of the cleaning brush is in contact with the upper surface of the filter plate, so that the movable plate and the movable plate can be driven by the L-shaped rod, the connecting block and the installation frame when the air blowing assembly is set for circulating heat dissipation. The cleaning brush cleans the filter plate, and at the same time, under the action of the limit plate, the return spring and the inclined block, the movable plate and the cleaning brush can be disassembled and assembled quickly.

A further improvement of the present invention is that the cooling assembly includes a water tank, a water pump, a coil pipe and two supporting parts, the water tank is fixedly connected to the right side of the inner bottom wall of the box body and is located below the screw rod, and the right side of the water tank is The middle part of the side is connected with a water injection pipe, and the water injection pipe runs through the right side of the box body. The water pump is fixedly connected to the right side of the inner bottom wall of the box body and is located on the rear side of the water tank. The water inlet end of the water pump is connected to the water tank through the water inlet pipe. The inside of the water pump is communicated with each other, the water outlet of the water pump penetrates the No. 1 fixed frame and extends to the bottom of the No. 2 fixed frame through the water outlet pipe. The extension ends are connected to each other, and a plurality of drip holes are evenly opened on the coil tube, so that the water pump can be set to transport the water in the water tank quantitatively to the coil tube through the water inlet pipe and the water outlet pipe, and the transported water can pass through the drip holes on the coil tube. overflow, so that the water absorbing net can absorb the overflowing water, and cooperate with the blower component to help cool down the box.

A further improvement of the present invention lies in that the two supporting parts are respectively fixedly connected to the upper surfaces of the left and right sides of the No. 1 fixing frame, and the two supporting parts each include a mounting frame and a plurality of supporting rods. The lower surface is fixedly connected with the upper surface of the No. 1 fixing frame, a plurality of the support rods are fixedly connected to the side of the installation frame close to the coil tube at equal intervals, and the end of the support rod away from the installation frame extends to the lower part of the arc end of the coil tube. The surface of the coil is in contact with the coiled pipe, so that the installation frame and the support rod can support the coiled pipe and improve the stability of the coiled pipe.

A further improvement of the present invention is that the forward and reverse rotation motors, the cooling fan, the temperature sensor, and the water pump are all electrically connected to the external controller, so that when the temperature sensor detects that the temperature in the box reaches the set temperature, the temperature sensor It can transmit the signal to the external controller, and the external controller controls the water pump, the forward and reverse rotation motor and the cooling fan to turn on synchronously, so that the cooling can be timely.

Compared with the prior art, the utility model has the following beneficial effects:

1. The air blowing assembly and the dust removal assembly are used together. The dust removal assembly is arranged below the air blowing assembly. The forward and reverse motor drives the screw to rotate and can also drive the moving plate to move on the guide rod, so that the moving plate drives the cooling fan to move left and right. The cooling fan can evenly blow air to the water absorbing net, and the moving plate can also drive the L-shaped rod, the connecting block and the installation frame to move, so that the installation frame drives the movable plate and the cleaning brush to move left and right and brush the filter plate to avoid external impurities. At the same time, under the action of the limit plate, the return spring and the inclined block, the movable plate and the cleaning brush can be disassembled and assembled quickly.

2. Through the combination of the set temperature sensor, blowing component and cooling component, when the temperature sensor detects that the temperature in the box reaches the set temperature, the temperature sensor can transmit the signal to the external controller, and the external controller controls the water pump, The forward and reverse motor and the cooling fan are turned on synchronously, and the water pump can transport the water in the water tank to the coil through the water inlet pipe and the water outlet pipe. At the same time, the cooling fan that moves left and right can blow air to the water absorption network, and the temperature around the water absorption network is lowered under the action of evaporative heat absorption. The cool wind blows from the bottom to the top. When the air with water vapor passes through the dehumidifying net, it can be trapped to prevent the water vapor from entering the instrument, so that the cool wind can cool the instrument and the box, and avoid the temperature in the box being too high and affecting the use of the instrument.

Description of drawings

Figure 1 is a schematic diagram of the overall structure of a new type of electrical automation instrument protection device of the present invention.

FIG. 2 is a schematic diagram of a right-side cross-sectional structure of a new type of electrical automation instrument protection device of the present invention.

FIG. 3 is a top-view cross-sectional structural schematic diagram of a blower assembly of a novel electrical automation instrument protection device of the present invention.

FIG. 4 is a schematic top view structure diagram of a coil of a novel electrical automation instrument protection device of the present invention.

FIG. 5 is an enlarged structural schematic diagram of the place A in FIG. 2 of a novel electrical automation instrument protection device of the present invention.

FIG. 6 is a schematic structural diagram of the installation frame of a new type of electrical automation instrument protection device of the present invention.

In the figure: 1. box body; 101, box door; 102, access door; 103, heat dissipation hole; 104, filter plate; 2, forward and reverse motor; 201, screw; 202, guide rod; 203, moving plate; 204 , cooling fan; 3, L-shaped rod; 301, connecting block; 4, installation frame; 401, installation slot; 402, limit plate; 403, return spring; 404, inclined block; 5, movable plate; 501, cleaning brush ;6, temperature sensor; 7, No.1 fixed frame; 701, suction network; 8, water tank; 801, water inlet pipe; 802, water pump; 803, coil pipe; 804, mounting frame; 805, support rod; 806, water injection pipe ; 9, No. 2 fixed frame; 901, dehumidification net.

Detailed ways

In order to make the technical means, creative features, achievement goals and effects realized by the present utility model easy to understand, in the description of the present utility model, it should be noted that the terms "center", "upper", "lower" and "left" , "right", "vertical", "horizontal", "inside", "outside" and other indicated orientations or positional relationships are based on the orientations or positional relationships shown in the accompanying drawings, only for the convenience of describing the present utility model and simplifying It is described, rather than indicated or implied, that the device or element referred to must have a particular orientation, be constructed and operate in a particular orientation, and therefore should not be construed as limiting the invention. Furthermore, the terms "number one", "number two", "number three" are used for descriptive purposes only and should not be construed to indicate or imply relative importance. The present utility model will be further described below in conjunction with the specific embodiments.

Example 1

As shown in Figures 1-6, a new type of electrical automation instrument protection device includes a box body 1, and a blower assembly is arranged inside the box body 1. The blower assembly includes a forward and reverse rotation motor 2, a screw 201, a guide rod 202, and a moving plate. 203 and the cooling fan 204, the forward and reverse rotation motor 2 is fixedly connected to the lower end of the left inner wall of the box body 1, one end of the screw 201 is fixedly connected to the output end of the forward and reverse rotation motor 2, and the other end of the screw rod 201 is rotated through the bearing. On the right inner wall of the box body 1, the guide rod 202 is fixedly connected to the inside of the box body 1 and is symmetrically distributed with the screw rod 201. On the guide rod 202, the cooling fan 204 is fixedly connected to the middle of the moving plate 203, a dust removal assembly is arranged below the moving plate 203, and a No. 9. A water absorbing net 701 is installed inside the No. 1 fixing frame 7, a dehumidifying net 901 is installed on the inner wall of the No. 2 fixing frame 9, a temperature sensor 6 is fixedly installed in the middle of the left inner wall of the box body 1, and the inner bottom wall of the box body 1 is installed. The right side is provided with a cooling assembly; the box door 101 is hinged on the upper side of the front of the box 1, and the lower side of the front of the box 1 corresponds to the air outlet assembly, the first fixed frame 7 and the second fixed frame 9 An access door 102 is hinged; the upper ends of the left and right sides of the box body 1 are provided with a plurality of radiating holes 103 distributed at equal intervals, and a through hole is opened in the middle of the inner bottom wall of the box body 1 and at the position corresponding to the blower assembly, And the filter plate 104 is installed inside the through hole; the dust removal assembly includes two L-shaped rods 3, one end of the two L-shaped rods 3 is respectively bolted to the lower surfaces of the front and rear ends of the moving plate 203, and the two L-shaped rods 3 The lower surface of the other end is fixedly connected with a connecting block 301, the lower surfaces of the two connecting blocks 301 are fixedly connected with an installation frame 4, and the left and right inner walls of the lower end of the installation frame 4 are provided with installation grooves 401, and the inside of the installation grooves 401 are slidably connected The limit plate 402 is fixedly connected with a return spring 403 between the limit plate 402 and the installation groove 401 , and a sloped block 404 is fixedly connected to the side of the limit plate 402 away from the return spring 403 , and the sloped block 404 is far away from the limit plate 402 One end penetrates through the installation slot 401 and extends to the inside of the installation frame 4, the interior of the two installation frames 4 is clamped with the same movable plate 5, and the side wall of the movable plate 5 is provided with a groove matching the inclined block 404, and The inclined block 404 is slidably connected inside the groove, the lower surface of the movable plate 5 is fixedly connected with a cleaning brush 501 , and the bottom of the cleaning brush 501 is in contact with the upper surface of the filter plate 104 .

According to this embodiment, it can be realized that the air blowing component and the dust removing component are used together, the dust removing component is arranged below the air blowing component, the forward and reverse rotation motor 2 drives the screw 201 to rotate, and can also drive the moving plate 203 to move on the guide rod 202, Therefore, the moving plate 203 drives the cooling fan 204 to move left and right, so that the cooling fan 204 can evenly blow air to the water absorbing net 701, and the moving plate 203 can drive the L-shaped rod 3, the connecting block 301 and the installation frame 4 to move at the same time, so that the installation frame 4 drives The movable plate 5 and the cleaning brush 501 move left and right and brush the filter plate 104 to prevent external debris from clogging the filter plate 104. The cleaning brush 501 can be disassembled and assembled quickly.

Example 2

As shown in Figures 1-6, a new type of electrical automation instrument protection device includes a box body 1, and a blower assembly is arranged inside the box body 1. The blower assembly includes a forward and reverse rotation motor 2, a screw 201, a guide rod 202, and a moving plate. 203 and the cooling fan 204, the forward and reverse rotation motor 2 is fixedly connected to the lower end of the left inner wall of the box body 1, one end of the screw 201 is fixedly connected to the output end of the forward and reverse rotation motor 2, and the other end of the screw rod 201 is rotated through the bearing. On the right inner wall of the box body 1, the guide rod 202 is fixedly connected to the inside of the box body 1 and is symmetrically distributed with the screw rod 201. On the guide rod 202, the cooling fan 204 is fixedly connected to the middle of the moving plate 203, a dust removal assembly is arranged below the moving plate 203, and a No. 9. A water absorbing net 701 is installed inside the No. 1 fixing frame 7, a dehumidifying net 901 is installed on the inner wall of the No. 2 fixing frame 9, a temperature sensor 6 is fixedly installed in the middle of the left inner wall of the box body 1, and the inner bottom wall of the box body 1 is installed. The right side is provided with a cooling assembly; the box door 101 is hinged on the upper side of the front of the box 1, and the lower side of the front of the box 1 corresponds to the air outlet assembly, the first fixed frame 7 and the second fixed frame 9 An access door 102 is hinged; the upper ends of the left and right sides of the box body 1 are provided with a plurality of radiating holes 103 distributed at equal intervals, and a through hole is opened in the middle of the inner bottom wall of the box body 1 and at the position corresponding to the blower assembly, And the filter plate 104 is installed inside the through hole; the dust removal assembly includes two L-shaped rods 3, one end of the two L-shaped rods 3 is respectively bolted to the lower surfaces of the front and rear ends of the moving plate 203, and the two L-shaped rods 3 The lower surface of the other end is fixedly connected with a connecting block 301, the lower surfaces of the two connecting blocks 301 are fixedly connected with an installation frame 4, and the left and right inner walls of the lower end of the installation frame 4 are provided with installation grooves 401, and the inside of the installation grooves 401 are slidably connected The limit plate 402 is fixedly connected with a return spring 403 between the limit plate 402 and the installation groove 401 , and a sloped block 404 is fixedly connected to the side of the limit plate 402 away from the return spring 403 , and the sloped block 404 is far away from the limit plate 402 One end penetrates through the installation slot 401 and extends to the inside of the installation frame 4, the interior of the two installation frames 4 is clamped with the same movable plate 5, and the side wall of the movable plate 5 is provided with a groove matching the inclined block 404, and The inclined block 404 is slidably connected inside the groove, the lower surface of the movable plate 5 is fixedly connected with a cleaning brush 501, and the bottom of the cleaning brush 501 is in contact with the upper surface of the filter plate 104; the cooling assembly includes a water tank 8, a water pump 802, and a coil 803 and two supporting parts, the water tank 8 is fixedly connected to the right side of the inner bottom wall of the box body 1 and is located below the screw 201, the middle of the right side of the water tank 8 is connected with a water injection pipe 806, and the water injection pipe 806 penetrates the right side of the box body 1 , the water pump 802 is fixedly connected to the right side of the inner bottom wall of the box body 1 and is located on the rear side of the water tank 8, and the water inlet end of the water pump 802 is connected to the interior of the water tank 8 through the water inlet pipe 801. The water outlet end of the water pump 802 penetrates the No. 1 fixed frame 7 and extends to the bottom of the No. 2 fixed frame 9 through the water outlet pipe. The extension ends are connected to each other, and a plurality of drip holes are evenly opened on the coil tube 803; the two support parts are respectively fixedly connected to the upper surfaces of the left and right sides of the No. 1 fixing frame 7, and the two support parts include a mounting frame 804 and a plurality of supports Rod 805, the lower surface of the mounting frame 804 is fixedly connected with the upper surface of the No. 1 fixed frame 7, and a plurality of supporting rods 805 are fixedly connected to the side of the mounting frame 804 close to the coil 803 at equal intervals, and the supporting rods 805 are far away from the mounting frame One end of 804 extends to the lower surface of the arc end of the coil tube 803 and contacts the coil tube 803; the forward and reverse rotation motor 2, the cooling fan 204, the temperature sensor 6, and the water pump 802 are all electrically connected to the external controller.

Through this embodiment, it can be achieved that: through the cooperative use of the set temperature sensor 6, the blowing component and the cooling component, when the temperature sensor 6 detects that the temperature in the box 1 reaches the set temperature, the temperature sensor 6 can transmit a signal to the outside The controller, the external controller controls the water pump 802, the forward and reverse rotation motor 2 and the cooling fan 204 to turn on synchronously. The water pump 802 can quantitatively transport the water in the water tank 8 to the coil 803 through the water inlet pipe 801 and the water outlet pipe. Through the drip holes on the coil 803, the water absorbing net 701 can absorb the overflowing water, and at the same time, the cooling fan 204 moving left and right can blow the water absorbing net 701. The temperature drops, and at the same time the cooling fan 204 accelerates the evaporation rate of water in the water absorption net 701, and blows the cool air from bottom to top, when the air with water vapor passes through the dehumidification net 901, it can be trapped to prevent water vapor from entering The instrument is installed, so that the cool wind can cool the instrument and the inside of the box 1, so as to avoid the high temperature in the box 1 from affecting the use of the instrument.

It should be noted that the present utility model is a new type of electrical automation instrument protection device. When in use, when the temperature sensor 6 detects that the temperature in the box 1 reaches the set temperature, the temperature sensor 6 can transmit a signal to the external controller. , the external controller controls the water pump 802, the forward and reverse rotation motor 2 and the cooling fan 204 to turn on synchronously, the water pump 802 can quantitatively transport the water in the water tank 8 to the coil 803 through the water inlet pipe 801 and the water outlet pipe, and the water delivered can pass through the disk. The drip hole on the pipe 803 overflows, so that the water absorbing net 701 can absorb the overflowing water. The forward and reverse motor 2 drives the screw 201 to rotate and also drives the moving plate 203 to move on the guide rod 202, so that the moving plate 203 drives the cooling fan. 204 moves left and right, so that the cooling fan 204 can evenly blow the water to the water absorbing net 701, and the temperature around the water absorbing net 701 is lowered under the action of evaporative heat absorption. , and blow the cool air from bottom to top, when the air with water vapor passes through the dehumidifying net 901, it can be intercepted to prevent water vapor from entering the instrument, so that the cool wind can cool the instrument and the inside of the box 1, and avoid the inside of the box 1. If the temperature is too high, the use of the meter will be affected. When the moving plate 203 moves, it can drive the L-shaped rod 3, the connecting block 301 and the installation frame 4 to move, so that the installation frame 4 drives the moving plate 5 and the cleaning brush 501 to move left and right and the filter plate 104. Brush to prevent external debris from clogging the filter plate 104. At the same time, when the cleaning brush 501 needs to be replaced, it is only necessary to pull down the movable plate 5. The downward movement of the movable plate 5 enables the inclined block 404 to be squeezed, and the inclined block 404 is affected. The force moves into the installation groove 401 and compresses the return spring 403, so as to facilitate the removal of the cleaning brush 501. During installation, the movable plate 5 is pushed into the installation frame 4, and the inclined block 404 can be reset and entered under the action of the return spring 403. in the groove on the movable plate 5.

The basic principles and main features of the present invention and the advantages of the present invention are shown and described above. It should be understood by those skilled in the art that the present invention is not limited by the above-mentioned embodiments. The above-mentioned embodiments and descriptions only illustrate the principles of the present invention. Without departing from the spirit and scope of the present invention, the present invention There will also be various changes and improvements in the new model, which all fall within the scope of the claimed invention. The claimed scope of the present invention is defined by the appended claims and their equivalents.

Claims (7)

1. A novel protection device for electrical automation instruments, comprising a box body (1), characterized in that: a blower assembly is arranged inside the box body (1), and the blower assembly includes a forward and reverse rotation motor (2), a screw (201), a guide rod (202), a moving plate (203) and a cooling fan (204), the forward and reverse motor (2) is fixedly connected to the lower end of the left inner wall of the box body (1), the screw (201) ) is fixedly connected to the output end of the forward and reverse motor (2), and the other end of the screw (201) is rotatably connected to the right inner wall of the box (1) through a bearing, and the guide rod (202) is fixedly connected to the The inside of the box (1) is symmetrically distributed with the screw (201) front and rear, the front end of the moving plate (203) is threadedly connected to the screw (201), and the rear end of the moving plate (203) is slidably connected to the guide rod On (202), the cooling fan (204) is fixedly connected to the middle of the moving plate (203), a dust removal assembly is arranged below the moving plate (203), and the box (1) is located inside the air blowing assembly A No. 1 fixing frame (7) and a No. 2 fixing frame (9) are sequentially fixedly connected to the upper part of the upper part, and a water absorbing net (701) is installed inside the No. A dehumidification net (901) is installed on the inner wall, a temperature sensor (6) is fixedly installed in the middle of the left inner wall of the box body (1), and a cooling component is arranged on the right side of the inner bottom wall of the box body (1). 2. A new type of protection device for electrical automation instruments according to claim 1, characterized in that a box door (101) is hinged on one side of the front upper end of the box body (1), and a box door (101) is hinged on the front side of the box body (1). An access door (102) is hinged on one side of the lower end of the front and at a position corresponding to the air outlet assembly, the No. 1 fixing frame (7) and the No. 2 fixing frame (9). 3. A new type of electrical automation instrument protection device according to claim 1, characterized in that: the upper ends of the left and right sides of the box body (1) are opened with a plurality of radiating holes (103) distributed at equal intervals. A through hole is opened in the middle of the inner bottom wall of the box body (1) and at a position corresponding to the blower assembly, and a filter plate (104) is installed inside the through hole. 4. A new type of protection device for electrical automation instruments according to claim 1, characterized in that: the dust removal assembly comprises two L-shaped rods (3), and one end of the two L-shaped rods (3) is respectively bolted Connected to the lower surfaces of the front and rear ends of the moving plate (203), the lower surfaces of the other ends of the two L-shaped rods (3) are fixedly connected with connecting blocks (301), and the lower surfaces of the two connecting blocks (301) are fixedly connected An installation frame (4) is fixedly connected to the surface, and installation grooves (401) are formed on the left and right inner walls of the lower end of the installation frame (4), and the interior of the installation groove (401) is slidably connected to the limit plate (402). A return spring (403) is fixedly connected between the limit plate (402) and the installation groove (401), and an inclined block (404) is fixedly connected to the side of the limit plate (402) away from the return spring (403), and One end of the inclined block (404) away from the limiting plate (402) penetrates the installation groove (401) and extends to the inside of the installation frame (4), and the inner parts of the two installation frames (4) are clamped with the same movable plate ( 5), the side wall of the movable plate (5) is provided with a groove that is adapted to the inclined block (404), and the inclined block (404) is slidably connected inside the groove. A cleaning brush (501) is fixedly connected to the lower surface, and the bottom of the cleaning brush (501) is in contact with the upper surface of the filter plate (104). 5. A new type of electrical automation instrument protection device according to claim 1, characterized in that: the cooling assembly comprises a water tank (8), a water pump (802), a coil (803) and two supporting parts, the The water tank (8) is fixedly connected to the right side of the inner bottom wall of the box body (1) and is located below the screw (201). ) runs through the right side of the box body (1), the water pump (802) is fixedly connected to the right side of the inner bottom wall of the box body (1) and is located at the rear side of the water tank (8), the water inlet of the water pump (802) The end is communicated with the interior of the water tank (8) through the water inlet pipe (801), and the water outlet end of the water pump (802) penetrates the No. 1 fixing frame (7) through the water outlet pipe and extends to the bottom of the No. 2 fixing frame (9), The coiled pipe (803) is arranged above the water suction network (701), and the water inlet of the coiled pipe (803) is communicated with the extending end of the water inlet pipe (801). a drip hole. 6. A new type of protection device for electrical automation instruments according to claim 5, characterized in that: the two support members are respectively fixedly connected to the upper surfaces of the left and right sides of the No. 1 fixing frame (7), and the two Each of the supporting components includes a mounting bracket (804) and a plurality of supporting rods (805), the lower surface of the mounting bracket (804) is fixedly connected with the upper surface of the No. 1 fixing frame (7), and a plurality of the supporting rods (805) ) are fixedly connected to the side of the mounting bracket (804) close to the coil (803) at equal intervals, and the end of the support rod (805) away from the mounting bracket (804) extends to the lower surface of the arc end of the coil (803) and is connected with the coil (803). Coil (803) contacts. 7. A new type of electrical automation instrument protection device according to claim 1, characterized in that: the forward and reverse rotation motor (2), the cooling fan (204), the temperature sensor (6), and the water pump (802) are all Electrically connected to an external controller.

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