CN111342360B

CN111342360B - Distribution box device capable of self-adapting to ambient temperature change and preventing fire

Info

Publication number: CN111342360B
Application number: CN202010324007.4A
Authority: CN
Inventors: 高瑜琴
Original assignee: Shandong Huanke Electric Power Technology Co Ltd
Current assignee: Shandong huanke Electric Power Technology Co., Ltd
Priority date: 2020-04-22
Filing date: 2020-04-22
Publication date: 2020-12-08
Anticipated expiration: 2040-04-22
Also published as: CN111342360A; GB202011309D0

Abstract

The invention discloses a fire-proof distribution box device capable of adapting to temperature change of the surrounding environment, which comprises a distribution box body, wherein a distribution cavity is arranged in the distribution box body, temperature adjusting devices are arranged on the left side and the right side of the distribution cavity, each temperature adjusting device comprises a fan channel positioned on the left side of the distribution cavity, a belt wheel groove is formed in the left side of each fan channel, a fan blade is driven by a driving shaft to rotate to keep air in the distribution cavity to flow, a fire prevention device is arranged in the distribution cavity, each fire suppression preventing device comprises a cavity positioned on the upper side of the distribution cavity, a hollow shaft and a gear shaft are rotatably matched between the cavity and the distribution cavity, the hollow shaft is positioned on the right side of the gear shaft, and quick lime in the lime cavity is sprayed out through centrifugal force by.

Description

Distribution box device capable of self-adapting to ambient temperature change and preventing fire

Technical Field

The invention relates to the technical field of distribution box protection, in particular to a fireproof distribution box device capable of self-adapting to ambient temperature change.

Background

Receive sunshine in the block terminal in summer and penetrate directly and can produce high temperature, self operation also can produce the heat simultaneously, the temperature in the block terminal in winter is low excessively, also can influence the use of block terminal, air temperature is greater than 40 ℃ or is less than-5 ℃ around, the work efficiency of block terminal reduces and can break down even, the block terminal is in case the short circuit simultaneously, probably arouses the conflagration, cause great economic loss, so design a section adjusts the temperature in the block terminal, the block terminal that prevents the conflagration simultaneously is very important.

Disclosure of Invention

It is an object of the present invention to provide a fire resistant electrical box assembly that is adaptive to ambient temperature changes and overcomes the above-mentioned deficiencies of the prior art.

The invention relates to a fire-proof distribution box device capable of adapting to temperature change of the surrounding environment, which comprises a distribution box body, wherein a distribution cavity is arranged in the distribution box body, temperature adjusting devices are arranged on the left side and the right side of the distribution cavity, each temperature adjusting device comprises a fan channel positioned on the left side of the distribution cavity, a pulley groove is formed in the left side of the fan channel, a driving shaft is rotatably matched between the pulley groove and the fan channel, the driving shaft extends into the fan channel and is fixedly connected with fan blades, a groove is formed in the upper side of the fan channel, a conductive block is fixedly arranged in the groove, four resistance wire blocks are fixedly arranged on the lower side of the conductive block, the fan blades are driven by the driving shaft to rotate to keep air in the distribution cavity to flow, the resistance wire blocks can emit heat when being electrified, and a fire, prevention conflagration device is including being located the cavity of distribution chamber upside, the cavity with normal running fit has hollow shaft and gear shaft between the distribution chamber, the hollow shaft is located the gear shaft right side, be provided with the spline groove in the hollow shaft, spline inslot splined connection has the integral key shaft, integral key shaft downside fixedly connected with is located the lime case in the distribution chamber, the lime chamber is seted up to the lime incasement, lime chamber both sides symmetry intercommunication has the way of spraying, will through rotating the lime case lime in the lime chamber sprays out through centrifugal force.

On the basis of the technical scheme, the temperature adjusting device also comprises an engaging groove positioned on the right side of the belt wheel groove, the driving shaft extends into the belt wheel groove and is fixedly connected with a driving belt wheel, a driven shaft is rotatably matched between the belt wheel groove and the engaging groove, the left side of the driven shaft extends into the belt wheel groove and is fixedly connected with a driven belt wheel, the right side of the driven shaft extends into the engaging groove and is rotatably matched with a rotating block, a matching groove is formed in the rotating block, the driven shaft is positioned in the matching groove and is in spline fit with a spline block, a threaded block in threaded connection with the driven shaft is abutted on the right side of the spline block, a clamping block capable of abutting against the spline block is fixedly arranged on the left side of the rotating block, abutting springs are vertically and symmetrically connected between the spline block and the right wall of the rotating block, and a transmission bevel gear is fixedly connected on the, the upper side of the conductive block is provided with a resistance groove, a central shaft is in running fit with the engagement groove, the central shaft extends upwards into the engagement groove and is fixedly connected with a rotary bevel gear engaged with the transmission bevel gear, a resistance electric groove with an upward opening is arranged in the conductive block, the central shaft extends downwards to the resistance groove and is internally threaded with a resistance wire block, the lower side of the resistance wire block is fixedly provided with a resistance electric block in electric fit with the resistance electric groove, the lower side of the resistance electric groove is communicated with an oil way, the right side of the resistance wire block is fixedly connected with a pressure oil rod in sliding fit with the oil way, the vertical part at the other side of the oil way is in sliding fit with a piston rod, the left side and the right side of the vertical part at the other side of the oil way are symmetrically provided with reset grooves, and the reset, reset block with be connected with reset spring between the groove diapire that resets, be located distribution chamber right side has seted up the exit way, exit way right-hand member intercommunication the distribution box machine is external, exit way downside intercommunication has a door groove, door inslot sliding fit have with piston rod fixed connection's door piece.

On the basis of the technical scheme, the fire prevention device also comprises a transmission groove positioned on the right side of the power distribution cavity, a connecting shaft is rotatably matched between the transmission groove and the cavity, the connecting shaft extends downwards to the inside of the transmission groove and is fixedly connected with a rack gear, an electric block connecting block is slidably matched on the lower side wall body of the transmission groove, an electric distribution block is fixedly arranged in the electric block connecting block, the right side of the electric distribution block is fixedly connected with a rack meshed with the rack gear, the connecting shaft extends upwards to the inside of the cavity and is fixedly connected with a second belt wheel, the connecting shaft extends to the upper side of the cavity and is dynamically connected with a smoke motor embedded in the inner wall of the machine body, the gear shaft extends to the inside of the cavity and is fixedly connected with a first belt wheel and a driving gear, the first belt wheel is positioned on the upper side of the driving, the gear shaft is fixedly connected with a spring block positioned on the lower side of the driving gear, a connecting spring is connected between the spring block and the driving gear, the gear shaft extends into the distribution cavity and is fixedly connected with a rotating cylinder, a lifting chute is arranged on the rotating cylinder, a sliding pin is in sliding fit in the lifting chute, a pin slot is arranged on the periphery of the lime box, a pin shaft is in rotating fit in the pin slot, the pin shaft is fixedly connected with the sliding pin through a connecting rod, a gear slot is arranged on the inner periphery of the driving gear, a gear piston rod is in sliding fit in the gear slot, the upper side of the gear piston rod is in sliding fit with the vertical part of the oil duct, the vertical part on the other side of the oil duct is communicated with a moving slot, a butting block is arranged in the moving slot, and the upper, the belt wheel groove and the meshing groove are provided with a containing block communicated with the moving groove, the driven shaft penetrates through the containing block and is fixedly connected with a centrifugal spring abutted against the abutting block in the containing block, the outer ring of the centrifugal spring is provided with a centrifugal groove communicated with the containing block, a centrifugal block is in sliding fit in the centrifugal groove, and a centrifugal spring is connected between the centrifugal block and the centrifugal groove.

On the basis of the technical scheme, a temperature motor is arranged on the left side of the driving shaft, a smoke motor is connected to the top of the connecting shaft, a temperature sensor and a smoke sensor are arranged on the end face of the rear side in the power distribution cavity, the temperature sensor is in signal connection with the temperature motor, and the smoke sensor is in signal connection with the smoke motor.

The invention has the beneficial effects that: the device passes through the temperature in temperature sensor and the control block terminal, prevents that the high temperature in the block terminal or low excessively leads to the block terminal to arouse the trouble, prevents through smoke transducer in addition that the wiring in the block terminal from damaging the block terminal because of the short circuit, detects smog at the block terminal after, disconnection distribution power supply, the flame appears in the block terminal, can spray lime and put out a fire, simple structure, and is safe high-efficient.

Drawings

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

FIG. 1 is a schematic diagram of the overall construction of a self-adapting ambient temperature change and fire resistant electrical box assembly;

FIG. 2 is an enlarged view of a portion of the structure at A in FIG. 1;

FIG. 3 is an enlarged view of a portion of the structure at B in FIG. 1;

Detailed Description

The invention will now be described in detail with reference to fig. 1-3, for the sake of convenience, the orientations described hereinafter being defined as follows: the up, down, left, right, and front-back directions described below correspond to the up, down, left, right, and front-back directions in the projection relationship of fig. 1 itself.

Referring to fig. 1 to 3, the fire-proof distribution box assembly adaptive to temperature changes of a surrounding environment according to an embodiment of the present invention includes a distribution box body 77, a distribution cavity 19 is disposed in the distribution box body 77, temperature adjusting devices are disposed on left and right sides of the distribution cavity 19, the temperature adjusting devices include a fan channel 32 located on left side of the distribution cavity 19, a pulley groove 26 is disposed on left side of the fan channel 32, a driving shaft 30 is rotatably fitted between the pulley groove 26 and the fan channel 32, the driving shaft 30 is extended into the fan channel 32 and fixedly connected with a fan blade 31, a groove is disposed on upper side of the fan channel 32, a conductive block 80 is fixedly mounted in the groove, four resistance wire blocks 49 are fixedly mounted on lower side of the conductive block 80, the fan blade 31 is driven by the driving shaft 30 to rotate to keep air flowing in the distribution cavity 19, resistance wire piece 49 circular telegram can give out heat, be provided with prevention fire device in the distribution chamber 19, prevention fire device is including being located the cavity 70 of distribution chamber 19 upside, cavity 70 with normal running fit has hollow shaft 83 and gear shaft 59 between the distribution chamber 19, hollow shaft 83 is located gear shaft 59 right side, be provided with spline groove 67 in the hollow shaft 83, spline shaft 58 is connected with the spline shaft in the spline groove 67 internal spline, spline shaft 58 downside fixedly connected with is located the lime case 84 in the distribution chamber 19, set up lime chamber 51 in the lime case 84, lime chamber 51 bilateral symmetry intercommunication has spraying channel 53, will through rotating lime case 84 lime in the lime chamber 51 sprays through centrifugal force.

In addition, in one embodiment, the temperature adjusting device further includes an engaging groove 40 located on the right side of the pulley groove 26, the driving shaft 30 extends into the pulley groove 26 and is fixedly connected with a driving pulley 28, a driven shaft 25 is rotatably fitted between the pulley groove 26 and the engaging groove 40, the left side of the driven shaft 25 extends into the pulley groove 26 and is fixedly connected with a driven pulley 24, the right side of the driven shaft 25 extends into the engaging groove 40 and is rotatably fitted with a rotating block 44, a fitting groove 39 is formed in the rotating block 44, a spline block 41 is spline fitted in the fitting groove 39 of the driven shaft 25, a thread block 42 in threaded connection with the driven shaft 25 is abutted on the right side of the spline block 41, a clamping block 43 capable of abutting against the spline block 41 is fixedly installed on the left side of the rotating block 44, and top pressure springs 36 are symmetrically connected up and down between the spline block 41 and the right wall of the rotating block 44, the outer side of the rotating block 44 is fixedly connected with a transmission bevel gear 38, the upper side of the conductive block 80 is provided with a resistance groove 81, a central shaft 45 is rotatably matched between the resistance groove 81 and the meshing groove 40, the central shaft 45 extends upwards into the meshing groove 40 and is fixedly connected with a rotating bevel gear 35 meshed with the transmission bevel gear 38, a resistance electric groove 48 with an upward opening is formed in the conductive block 80, the central shaft 45 extends downwards to the resistance groove 81 and is connected with a resistance wire block 46 in a threaded manner, a resistance electric block 47 in electric power fit with the resistance electric groove 48 is fixedly installed on the lower side of the resistance wire block 46, an oil path 33 is communicated with the lower side of the resistance electric groove 48, an oil pressing rod 34 in sliding fit with the oil path 33 is fixedly connected to the right side of the resistance wire block 46, a piston rod 12 is in sliding fit with the vertical part on the other side of the oil path 33, and reset grooves, reset groove 14 sliding fit have with piston rod 12 fixed connection's reset block 13, reset block 13 with be connected with reset spring 11 between the 14 diapalls of reset groove, be located 19 right sides of distribution chamber have seted up outlet channel 16, outlet channel 16 right-hand member intercommunication outside block terminal organism 77, outlet channel 16 downside intercommunication has a door groove, sliding fit have in the door groove with piston rod 12 fixed connection's door piece 15, in summer, temperature motor 29 will corotation, drive fan blade 31 and rotate and make the interior circulation of air of block terminal reach the cooling purpose, in winter, resistance electricity piece 47 gets into resistance electricity groove 48 in, resistance wire piece 49 work is sent out the heat and is blown through the wind in distribution chamber 19.

In addition, in one embodiment, the fire prevention device further comprises a transmission groove 85 located on the right side of the power distribution cavity 19, a connection shaft 20 is rotatably fitted between the transmission groove 85 and the cavity 70, the connection shaft 20 extends downwards into the transmission groove 85 and is fixedly connected with a rack gear 17, a block connection block 86 is slidably fitted on the lower side wall of the transmission groove 85, a power distribution block 18 is fixedly installed in the block connection block 86, a rack 82 engaged with the rack gear 17 is fixedly connected to the right side of the power distribution block 18, a second pulley 72 is fixedly connected to the connection shaft 20 and extends upwards into the cavity 70, a smoke motor 21 embedded in the inner wall of the machine body is dynamically connected to the upper side of the connection shaft 20 extending into the cavity 70, a first pulley 66 and a driving gear 62 are fixedly connected to the gear shaft 59 extending into the cavity 70, and the first pulley 66 is located on the upper side of the driving gear 62, the first belt pulley 66 and the second belt pulley 72 are connected with a rotating belt 69, the gear shaft 59 is fixedly connected with a spring block 60 positioned at the lower side of the driving gear 62, a connecting spring 61 is connected between the spring block 60 and the driving gear 62, the gear shaft 59 extends into the power distribution cavity 19 and is fixedly connected with a rotating cylinder 57, the rotating cylinder 57 is provided with a lifting chute 56, a sliding pin 55 is in sliding fit in the lifting chute 56, a pin slot 50 is arranged on the circumference of the lime box 84, a pin shaft 52 is in rotating fit in the pin slot 50, the pin shaft 52 is fixedly connected with the sliding pin 55 by a connecting rod 54, a gear slot 64 is arranged on the circumference of the driving gear 62, a gear piston rod 63 is in sliding fit in the gear slot 64, the upper side of the gear piston rod 63 is in sliding fit with the vertical part of the oil passage 22, and the vertical part at the other side, the lime-rotating fire-extinguishing device is characterized in that a butting block 73 is arranged in the moving groove 87, an oil pressure piston rod 88 in sliding fit with the vertical part of the oil duct 22 is fixedly connected to the upper side of the moving groove 87, an containing block 89 communicated with the moving groove 87 is arranged between the pulley groove 26 and the meshing groove 40, the driven shaft 25 penetrates through the containing block 89 and is fixedly connected with a centrifugal spring 90 in butt joint with the butting block 73, a centrifugal groove 76 communicated with the containing block 89 is formed in the outer ring of the centrifugal spring 90, a centrifugal block 74 is in sliding fit with the centrifugal groove 76, a centrifugal spring 90 is connected between the centrifugal block 74 and the centrifugal groove 76, lime is sprayed into the power distribution cavity 19 through the rotating lifting lime-lime box 84, and the fan blades 31 are matched to extinguish fire emergently.

In addition, in one embodiment, a temperature motor 29 is arranged on the left side of the driving shaft 30, a smoke motor 21 is connected to the top of the connecting shaft 20, a temperature sensor 78 and a smoke sensor 79 are arranged on the end face of the rear side in the power distribution cavity 19, the temperature sensor 78 is in signal connection with the temperature motor 29, and the smoke sensor 79 is in signal connection with the smoke motor 21.

In the initial state, the driven gear 68 is not engaged with the first pulley 66, the connecting spring 61 is in a relaxed state, and the latch 43 is not in contact with the spline block 41.

When the temperature is too high in summer, the temperature sensor 78 detects that the temperature is too high, the temperature sensor 78 sends a signal to the temperature motor 29, the temperature motor 29 rotates forwards, the temperature motor 29 rotates to drive the driving shaft 30 to rotate, the driving shaft 30 rotates to drive the fan blades 31 to rotate, the power of the gas circulation temperature motor 29 in the distribution box body 77 is kept to sequentially pass through the driving belt wheel 28, the connecting belt 27 and the driven belt wheel 24 to drive the driven shaft 25 to rotate, at the moment, the threaded block 42 in threaded connection with the driven shaft 25 moves rightwards, the threaded block moves rightwards to the limit position and then synchronously rotates with the driven shaft 25, therefore, the meshing groove 40 does not rotate, when the temperature of the distribution box is too low in winter, the temperature motor 29 drives the fan blades 31 to rotate backwards, meanwhile, the threaded block 42 pushes the spline block 41 to move rightwards, the rotation block 44 rotates to drive the bevel gear 38. The transmission bevel gear 38 rotates to drive the rotation bevel gear 35 to rotate, so that the central shaft 45 is driven to be aligned with the east, the resistance wire block 46 descends, the resistance wire block 47 enters the resistance wire groove 48, the resistance wire block 49 is electrified to be heated, generated heat is blown into the power distribution cavity 19 through the fan blades 31, meanwhile, the resistance wire block 46 drives the oil pressing rod 34 to press downwards, oil pressure in the oil way 33 is increased, the piston rod 12 is driven to move the door block 15 upwards, the door block 15 seals the outlet channel 16, the temperature is stored, the spline block 41 continues to move left to be abutted against the clamping block 43, and the thread block 42 rotates with the driven shaft 25.

When a short circuit or a fire occurs, the smoke sensor 79 transmits a signal to the smoke motor 21, the smoke motor 21 is started to drive the connecting shaft 20 to rotate, the connecting shaft 20 rotates to drive the rack gear 17 to rotate, the rack gear 17 rotates to drive the electric block connecting block 86 to move rightwards, the electric distribution block 18 is pulled out, the distribution box body 77 does not supply power any more, if the situation is not relieved, a fire source appears in the distribution box body 77, the temperature sensor 78 finds a sudden temperature change, the temperature sensor 78 sends a signal to the temperature motor 29, the temperature motor 29 is started to drive the fan blades 31 to rotate, and meanwhile, the driven shaft 25 drives the fan blades to rotate. Pivoted centrifugal force drives top pressure butt piece 73 for oil pressure piston rod 88 rebound, at this moment, driving gear 62 and driven gear 68 meshing, second band pulley 72 rotates power and passes through rotating belt 69, first band pulley 66, the transmission, it rotates to drive gear shaft 59, meshed driving gear 62 drives driven gear 68 and rotates dead lime case 84 rotatory, it makes sliding pin 55 reciprocate at lift spout 56 to rotate a section of thick bamboo 57 simultaneously, sliding pin 55 makes integral key shaft 58 reciprocate, lime in lime chamber 51 sprays in distribution chamber 19 through centrifugal force, blow through fan blade 31 makes and spray wider, put out a fire fast.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and scope of the present invention are intended to be included therein.

Claims

1. The utility model provides a block terminal device that all ring edge borders temperature variation of self-adaptation and fire prevention, includes the block terminal organism, its characterized in that: the distribution box is characterized in that a distribution cavity is arranged in the distribution box body, temperature adjusting devices are arranged on the left side and the right side of the distribution cavity and comprise fan channels positioned on the left side of the distribution cavity, belt wheel grooves are formed in the left side of the fan channels, driving shafts are matched between the belt wheel grooves and the fan channels in a rotating mode and extend into the fan channels, fan blades are fixedly connected into the fan channels, grooves are formed in the upper sides of the fan channels, conductive blocks are fixedly installed in the grooves, four resistance wire blocks are fixedly installed on the lower sides of the conductive blocks and drive the fan blades to rotate to keep air in the distribution cavity to flow, the resistance wire blocks can emit heat when being electrified, a fire prevention device is arranged in the distribution cavity and comprises a cavity positioned on the upper side of the distribution cavity, and a hollow shaft and a gear shaft are matched between the cavity and the distribution cavity, the hollow shaft is positioned on the right side of the gear shaft, a spline groove is formed in the hollow shaft, a spline shaft is connected in the spline groove in a spline mode, a lime box positioned in the power distribution cavity is fixedly connected to the lower side of the spline shaft, a lime cavity is formed in the lime box, spraying channels are symmetrically communicated with two sides of the lime cavity, and quick lime in the lime cavity is sprayed out through centrifugal force by rotating the lime box;

the temperature adjusting device also comprises an engaging groove positioned on the right side of the belt wheel groove, a driving belt wheel is fixedly connected in the driving shaft extending into the belt wheel groove, a driven shaft is rotatably matched between the belt wheel groove and the engaging groove, a driven belt wheel is fixedly connected in the driven shaft extending into the belt wheel groove, a rotating block is rotatably matched in the driven shaft extending into the engaging groove on the right side, a matching groove is formed in the rotating block, a spline block is in spline fit in the matching groove on the driven shaft, a thread block in threaded connection with the driven shaft is abutted on the right side of the spline block, a clamping block capable of being abutted against the spline block is fixedly installed on the left side of the rotating block, jacking springs are symmetrically connected between the spline block and the right wall of the rotating block from top to bottom, a transmission bevel gear is fixedly connected on the outer side of the rotating block, and a resistance groove is arranged on the upper side, a central shaft is in running fit between the resistance groove and the meshing groove, the central shaft extends upwards into the meshing groove and is fixedly connected with a rotating bevel gear meshed with the transmission bevel gear, a resistance electric groove with an upward opening is formed in the conductive block, the central shaft extends downwards to the resistance groove and is in threaded connection with a resistance wire block, a resistance electric block in electric power fit with the resistance electric groove is fixedly installed on the lower side of the resistance wire block, an oil path is communicated with the lower side of the resistance electric groove, a pressure oil rod in sliding fit with the oil path is fixedly connected on the right side of the resistance wire block, a piston rod is in sliding fit with the vertical part on the other side of the oil path, reset grooves are symmetrically formed in the left side and the right side of the vertical part on the other side of the oil path, reset blocks in fixed connection with the piston rod are in sliding fit in the reset, an outlet channel is formed in the right side of the power distribution cavity, the right end of the outlet channel is communicated with the outside of the power distribution box machine, the lower side of the outlet channel is communicated with a door groove, and a door block fixedly connected with the piston rod is in sliding fit in the door groove;

the fire prevention device also comprises a transmission groove positioned on the right side of the power distribution cavity, a connecting shaft is rotatably matched between the transmission groove and the cavity, the connecting shaft extends downwards to the inside of the transmission groove and is fixedly connected with a rack gear, the lower side wall body of the transmission groove is in sliding fit with an electric block connecting block, a power distribution block is fixedly arranged in the electric block connecting block, the right side of the power distribution block is fixedly connected with a rack meshed with the rack gear, the connecting shaft extends upwards to a second belt wheel fixedly connected in the cavity, the connecting shaft extends to the upper side of the cavity and is in power connection with a smoke motor embedded in the inner wall of a machine body, a gear shaft extends to the inside of the cavity and is fixedly connected with a first belt wheel and a driving gear, the first belt wheel is positioned on the upper side of the driving gear, the first belt wheel and the second belt wheel are connected with a rotating, a connecting spring is connected between the spring block and the driving gear, the gear shaft extends into the distribution cavity and is fixedly connected with a rotating cylinder, a lifting chute is arranged on the rotating cylinder, a sliding pin is in sliding fit in the lifting chute, a pin groove is arranged on the periphery of the lime box, a pin shaft is in rotating fit in the pin groove, the pin shaft and the sliding pin are fixedly connected by a connecting rod, a gear groove is arranged on the periphery of the driving gear, a gear piston rod is in sliding fit in the gear groove, the upper side of the gear piston rod is in sliding fit with the vertical part of the oil duct, the other side of the oil duct is communicated with a moving groove, a butting block is arranged in the moving groove, an oil pressure piston rod in sliding fit with the vertical part of the oil duct is fixedly connected on the upper side of the moving groove, and an containing block communicated with the, the driven shaft penetrates through the containing block and is fixedly connected with a centrifugal spring which is abutted against the abutting block in the containing block, a centrifugal groove communicated with the containing block is formed in the outer ring of the centrifugal spring, a centrifugal block is in sliding fit in the centrifugal groove, and a centrifugal spring is connected between the centrifugal block and the centrifugal groove;

the temperature sensor is connected with the temperature motor through a signal, and the smoke sensor is connected with the smoke motor through a signal.