CN115377838A

CN115377838A - High smart electric meter of security

Info

Publication number: CN115377838A
Application number: CN202211067332.2A
Authority: CN
Inventors: 不公告发明人
Original assignee: Individual
Current assignee: Individual
Priority date: 2022-09-01
Filing date: 2022-09-01
Publication date: 2022-11-22

Abstract

The invention discloses an intelligent ammeter with high safety, and relates to the technical field of ammeters. This high smart electric meter of security, including the device body, the internally mounted of device body has the ammeter facility, fixed mounting has the fixed plate on the inner wall of device body, be provided with termination on the device body, termination includes the fly leaf. This high smart electric meter of security, can drive when the control lever removes and support the pole and remove, make to support the pole and can remove to the narrow position of backup pad, only need to rotate certain angle with the control lever again, thereby support the pole and can break away from the bracing piece and can't carry on spacingly to supporting pole and fly leaf with the bracing piece, can drive fly leaf and inserted bar downstream under the spring action of shell fragment No. one, thereby make the inserted bar can break away from the power of disconnection ammeter facility with the terminal barrel, need just can break off the power of ammeter facility through many steps in the device body is external, the maloperation has been avoided breaking off ammeter facility power.

Description

High smart electric meter of security

Technical Field

The invention relates to the technical field of electric meters, in particular to an intelligent electric meter with high safety.

Background

The utility model with the patent number of CN212622803U relates to a high-performance safe-use electric energy meter, which comprises an electric energy meter box body and an electric energy meter module arranged in the electric energy meter box body; the electric energy meter box comprises an electric energy meter box body, and is characterized in that an insulated fixed wiring board is arranged at the bottom of the electric energy meter box body, an insulated movable wiring board is arranged below the fixed wiring board, a jacking spring is arranged between the movable wiring board and the bottom of the electric energy meter box body, and the movable wiring board can be upwards jacked through the jacking spring. The device can regard as the reserve safety switch structure of electric energy meter, can manual operation from outside disconnection power supply path and switch-on power supply path, safer use electric energy meter, above-mentioned utility model discloses in, just can drive the wiring board through the gag lever post and remove, thereby just can break off the power of electric energy meter module, but the mode of the power of disconnection electric energy meter module is too simple, produce the power that maloperation caused the electric energy meter module easily to the gag lever post and can be by random disconnection, thereby can influence the normal use of electric energy meter module.

Disclosure of Invention

Technical problem to be solved

Aiming at the defects of the prior art, the invention provides the intelligent ammeter with high safety, and solves the problems in the background technology.

(II) technical scheme

In order to achieve the purpose, the invention is realized by the following technical scheme: the utility model provides a high smart electric meter of security, includes the device body, the internally mounted of device body has the ammeter facility, fixed mounting has the fixed plate on the inner wall of device body, be provided with termination on the device body, termination includes the fly leaf, fly leaf slidable mounting is on the inner wall of device body, fixed mounting has the inserted bar on the fly leaf, install a wiring section of thick bamboo on the fixed plate, seted up flutedly on the fly leaf, slidable mounting has the movable plate on the inner wall of recess, the movable plate rotates on the surface and installs the control lever, fixed mounting has the support pole on the surface of control lever, fixed mounting has the backup pad on the inner wall of device body, and the promotion control lever removes to the device body is inside, makes the control lever can promote the movable plate to remove to the inside of recess, can drive when the control lever removes to the pole, supports the pole and can move to the position that the backup pad width is narrow, is connecting the rotation control lever, can drive when the control lever rotates to the pole, thereby makes to the pole can break away from the backup pad can's unable support to support pole and fly the fly leaf under the effect of a shell fragment can drive the fly down and move the power supply and can separate the ammeter facility, and can pass through the disconnection facility, the ammeter facility, the external electric meter facility.

Preferably, a first elastic sheet is arranged between the movable plate and the device body, a sliding groove is formed in the device body, a baffle is fixedly mounted on one side, close to the sliding groove, of the movable plate, the position, sliding on the device body, of the control rod can be sealed through the baffle, and foreign matters and insects are prevented from entering the device body from the position between the control rod and the device body.

Preferably, a second elastic sheet is arranged between the moving plate and the groove, a volute spiral spring is arranged between the control rod and the moving plate, the width of the supporting plate in the direction that the sliding groove is close to the supporting plate can be increased, the width of the supporting plate at the position far away from the sliding groove can be narrowed, and therefore the supporting rod can be separated from the supporting plate in a rotating mode.

Preferably, be provided with emergency protection device on the fixed plate, emergency protection device includes sealed frame, sealed frame fixed mounting is at the top of fixed plate, slidable mounting has the closing plate on the inner wall of sealed frame, slidable mounting has the catch bar on the inner wall of sealed frame, the fixed mounting has the contact arm on the surface of control lever, fixed mounting has the elastic expansion plate on the inner wall of device body, fixed mounting has the trapezoidal piece on the free end of elastic expansion plate, fixed mounting has the horizontal pole on the one side that the catch bar is close to the trapezoidal piece, the inside water and gas that is provided with of sealed frame, the bottom of catch bar and the top of contact arm all set up to triangle-shaped, can promote the closing plate rebound through the inside gas expansion of sealed frame, and the closing plate rebound can promote the catch bar rebound, and the inclined plane on the catch bar rebound can contact with the inclined plane on the contact arm when the catch bar rebound to can promote contact arm and control arm when the catch bar rebound, make the control arm can drive the contact arm to move, can drive the horizontal pole rebound bar when the horizontal pole rebound bar can drive the inclined plane on the horizontal pole, can contact bar with the inclined plane on the contact arm when the horizontal pole rebound, can break away from the power supply of elastic expansion plate under the effect of elastic expansion plate, can drive the contact bar and the contact arm can drive the ammeter, the contact bar, the ammeter can drive the facility rotation of the facility, the ammeter can drive the facility rotation of a temperature raising when the ammeter.

Preferably, be provided with protector on the device body, protector includes the storage frame, the storage frame is through dividing a fixed mounting on the device body, fixed mounting has the conveyer pipe on the storage frame, install the valve on the conveyer pipe, fixed mounting has the connecting rod on the control end of valve, the top fixed mounting of catch bar has the L shaped plate, can separate device body and storage frame through dividing a piece, avoids the device body can improve the temperature of the inside gas of storage frame, can play the effect of cooling when making the inside gas of storage frame get into the inside of device body, can promote the control end of connecting rod and valve to rotate when the L shaped plate rebound, and the control end through the valve rotates and can open the conveyer pipe, makes the inside fire extinguishing gas of storage frame can get into the inside of device body, can play the effect of preventing the inside spontaneous combustion of device body.

Preferably, the conveyer pipe is kept away from the one end fixed mounting of storage frame and is had the rubber tube, rotate on the inner wall of device body and install crooked board, crooked board fixed mounting has the arc piece on the surface, and rubber tube spun gas can be used in crooked board and arc piece, and when gas blows on crooked board, crooked board can produce the rotation of certain angle, can improve the scope of gas diffusion through the arc piece, makes gas can blow down through crooked board, and crooked board can produce the rotation when gas is used in crooked board to can change the direction of gas diffusion and improve the effect of fire prevention, be provided with No. three shell fragments between crooked board and the device body.

Preferably, be provided with emergent ventilation unit on the device body, emergent ventilation unit includes the Z shape pole, Z shape pole fixed mounting is at the top of L shaped plate, the thermovent has been seted up on the device body, rotates on the inner wall of thermovent and installs the separation plate, fixed mounting has the bevel piece in the one side that the separation plate is close to the Z shape pole, can drive Z shape pole rebound when the L shaped plate rebound, can contact with the bevel on the bevel piece when the Z shape pole rebound, can promote bevel piece and separation plate to rotate when making the Z shape pole rebound, can open the thermovent when the separation plate rotates to can influence the heat dissipation through the radiating effect of thermovent, avoid the separation plate to influence the heat dissipation, can release the hot-air at device body top through the thermovent.

Preferably, the apron is installed in the rotation on the surface of device body, the fixed mounting on the surface of Z shape pole has the promotion piece, and the Z shape pole slides and cup joints on the apron, drives the promotion piece rebound when the Z shape pole rebound, can promote the apron rebound when promoting the piece rebound, through apron rebound rotation can improve the inside gaseous height of heat dissipation eduction gear body to the inside original hot-air of eduction gear body as far as of thermovent, thereby can improve the radiating effect to the device body inside, can avoid the gas that goes out a fire to be diluted influence effect simultaneously.

(III) advantageous effects

The invention provides an intelligent ammeter with high safety. The method has the following beneficial effects:

(1) This high smart electric meter of security, push control lever and movable plate move to the inside of recess, the control lever can drive when removing and support the pole and remove, the messenger supports the pole and can remove to the narrow position of backup pad, only need to rotate certain angle with the control lever with supporting the pole again, thereby support the pole and can break away from with the bracing piece and can't carry on spacingly to supporting pole and fly leaf, can drive fly leaf and inserted bar downstream under the spring action of a shell fragment, thereby make the inserted bar can break away from the power of disconnection ammeter facility with the wire barrel, need just can break off the power of ammeter facility through multiple step in the device body is external, the maloperation has been avoided breaking off ammeter facility power.

(2) This high smart electric meter of security, when the inside temperature of device body risees, can promote closing plate and catch bar rebound through the inside gas expansion of sealed frame, contact bar and control lever can be promoted through catch bar and contact bar contact when the catch bar upwards promotes, can drive the horizontal pole rebound during catch bar rebound simultaneously, make the horizontal pole can move on the inclined plane of trapezoidal piece, contact bar and control lever can be promoted to the freedom of elastic expansion plate under elastic expansion plate's self elasticity effect and rotate, thereby support the pole can with backup pad elasticity, the power that leads to the ammeter facility can break off, make can play the effect of protection to the ammeter facility.

(3) This high smart electric meter of security, when device body inside high temperature, the catch bar can drive L shaped plate rebound, the control end that can promote connecting rod and valve through L shaped plate rebound rotates, it can open the valve to rotate through the valve control end, make the inside fire extinguishing gas of storage frame discharge from the conveyer pipe, avoid device body inside high temperature to produce the spontaneous combustion, gaseous can blow on crooked board and arc piece when the conveyer pipe passes through rubber tube blowout gas, can improve the scope of gas diffusion through the arc piece, make gaseous can blow down through the crooked board, crooked board can produce the rotation when gaseous effect is on crooked board, thereby the direction that can change gas diffusion has improved the effect of fire prevention.

(4) This high smart electric meter of security, can drive Z shape pole rebound when the L shaped plate upwards promotes, can remove on the sloping block through Z shape pole rebound, make Z shape pole can promote sloping block and spacer plate and rotate, it can open the thermovent to rotate through the spacer plate, effect through thermovent exhaust steam, it can drive promotion piece rebound to remove through Z shape pole rebound, it can push away the apron upwards to push away the piece rebound, can improve the inside gaseous height of heat dissipation eduction gear body through apron upwards rotating, thereby the inside original hot-air of the eduction gear body of thermovent as far as possible, avoid influencing the gaseous effect of putting out a fire.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic view of the internal structure of the device body according to the present invention;

FIG. 3 is a schematic view of the multi-angle structure inside the device body of the present invention;

FIG. 4 is a schematic view of the internal structure of the sealing frame according to the present invention;

FIG. 5 is a schematic view of a curved plate structure according to the present invention;

FIG. 6 is a schematic view of a contact stem structure according to the present invention;

FIG. 7 is a schematic view of a support plate according to the present invention;

FIG. 8 is a schematic diagram of the bevel block structure of the present invention.

In the figure: 1. a device body; 2. an electricity meter facility; 3. a fixing plate; 41. a movable plate; 42. inserting a rod; 43. a wire connecting cylinder; 44. a control lever; 45. moving the plate; 46. a support plate; 47. a support rod; 48. a baffle plate; 51. a sealing frame; 52. a sealing plate; 53. a push rod; 54. a contact lever; 55. an elastic expansion plate; 56. a trapezoidal block; 57. a cross bar; 61. a storage frame; 62. a delivery pipe; 63. a valve; 64. a connecting rod; 65. an L-shaped plate; 71. a Z-shaped bar; 72. a separation plate; 73. a bevel block; 74. a cover plate; 75. a pushing block; 8. a separation block; 91. a rubber tube; 92. bending the plate; 93. an arc-shaped block.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-8, the present invention provides a technical solution: an intelligent electric meter with high safety comprises a device body 1, an electric meter facility 2 is installed inside the device body 1, a fixed plate 3 is fixedly installed on the inner wall of the device body 1, a wiring device is arranged on the device body 1 and comprises a movable plate 41, the movable plate 41 is installed on the inner wall of the device body 1 in a sliding mode, an insertion rod 42 is fixedly installed on the movable plate 41, a wiring barrel 43 is installed on the fixed plate 3, a groove is formed in the movable plate 41, a movable plate 45 is installed on the inner wall of the groove in a sliding mode, a control rod 44 is installed on the surface of the movable plate 45 in a rotating mode, a resisting rod 47 is fixedly installed on the surface of the control rod 44, a supporting plate 46 is fixedly installed on the inner wall of the device body 1, the control rod 44 is pushed to move towards the inside of the device body 1, the control rod 44 can push the movable plate 45 to move towards the inside of the groove, the resisting rod 47 can be driven to move when the control rod 44 moves, the resisting rod 47 can move towards the position with the narrow width of the supporting plate 46, the controlling rod 44 can drive the resisting rod 47 to move towards the position, the supporting plate 46, the electric meter facility can be prevented from being disconnected from the insertion rod 47 and the electric meter facility 2, and the electric meter facility can be disconnected from the outside when the electric meter facility 2 is disconnected downwards, and the electric meter.

A first elastic sheet is arranged between the movable plate 41 and the device body 1, a chute is formed in the device body 1, a baffle 48 is fixedly mounted on one side of the movable plate 41 close to the chute, the sliding position of the control rod 44 on the device body 1 can be sealed through the baffle 48, and foreign matters and insects are prevented from entering the device body 1 from the position between the control rod 44 and the device body 1.

A second elastic sheet is arranged between the moving plate 45 and the groove, a volute spring is arranged between the control rod 44 and the moving plate 45, the width of the supporting plate 46 towards the direction that the sliding groove is close to is increased, the width of the supporting plate 46 far away from the sliding groove is narrowed, and therefore the supporting rod 47 can be separated from the supporting plate 46 in a rotating mode.

An emergency protection device is arranged on the fixing plate 3 and comprises a sealing frame 51, the sealing frame 51 is fixedly arranged at the top of the fixing plate 3, a sealing plate 52 is slidably arranged on the inner wall of the sealing frame 51, a push rod 53 is slidably arranged on the inner wall of the sealing frame 51, a contact rod 54 is fixedly arranged on the surface of the control rod 44, an elastic expansion plate 55 is fixedly arranged on the inner wall of the device body 1, a trapezoidal block 56 is fixedly arranged on the free end of the elastic expansion plate 55, a cross rod 57 is fixedly arranged on one surface of the push rod 53 close to the trapezoidal block 56, water and gas are arranged inside the sealing frame 51, the bottom of the push rod 53 and the top of the contact rod 54 are both triangular, the sealing plate 52 can be pushed to move upwards through the expansion of the gas inside the sealing frame 51, the sealing plate 52 can be pushed to move upwards by the upward movement of the sealing plate 52, when the push rod 53 moves upwards, the inclined plane on the push rod 53 contacts with the inclined plane on the contact rod 54, so that when the push rod 53 moves upwards, the contact rod 54 and the control rod 44 can be pushed, the control rod 44 can drive the abutting rod 47 to move, when the push rod 53 moves upwards, the cross rod 57 can be driven to move upwards, when the cross rod 57 moves upwards, the cross rod 57 can contact with the inclined plane on the trapezoidal block 56, the free end of the elastic expansion plate 55 can push the contact rod 54 and the control rod 44 to rotate under the self-separation effect of the elastic expansion plate 55, the control rod 44 drives the abutting rod 47 to rotate and separate from the support plate 46, the elastic force of the first elastic sheet can drive the insertion rod 42 and the connection cylinder 43 to separate from the power supply of the electric meter facility 2, and when the fault temperature of the electric meter facility 2 rises, the power supply of the electric meter facility 2 can be turned on, and the safety is improved.

Be provided with protector on device body 1, protector is including storing frame 61, storing frame 61 is through separating 8 fixed mounting on device body 1, fixed mounting has conveyer pipe 62 on the storing frame 61, install valve 63 on the conveyer pipe 62, fixed mounting has connecting rod 64 on the control end of valve 63, the top fixed mounting of catch bar 53 has L shaped plate 65, can separate device body 1 and storing frame 61 through separating 8, avoid device body 1 can improve the temperature of the inside gas of storing frame 61, can play the effect of cooling when making the inside gas of storing frame 61 get into the inside of device body 1, the control end that can promote connecting rod 64 and valve 63 when L shaped plate 65 rebound rotates, control end rotation through valve 63 can open conveyer pipe 62, make the inside fire extinguishing gas of storing frame 61 can get into the inside of device body 1, can play the effect of preventing the inside spontaneous combustion of device body 1.

Conveyer pipe 62 keeps away from the one end fixed mounting of storage frame 61 and has rubber tube 91, rotate on the inner wall of device body 1 and install crooked board 92, crooked board 92 fixed mounting has arc piece 93 on the surface, rubber tube 91 spun is gaseous can be used in crooked board 92 and arc piece 93, when gaseous blowing is on crooked board 92, crooked board 92 can produce the rotation of certain angle, can improve gas diffusion's scope through arc piece 93, make gaseous meeting blow down through crooked board 92, crooked board 92 can produce the rotation when the gas action is on crooked board 92, thereby can change gas diffusion's direction and improved the effect of fire prevention, be provided with No. three shell fragments between crooked board 92 and the device body 1.

The emergency ventilation device is arranged on the device body 1 and comprises a Z-shaped rod 71, the Z-shaped rod 71 is fixedly mounted at the top of the L-shaped plate 65, a heat dissipation port is formed in the device body 1, a separation plate 72 is rotatably mounted on the inner wall of the heat dissipation port, an inclined surface block 73 is fixedly mounted on one surface, close to the Z-shaped rod 71, of the separation plate 72, the L-shaped plate 65 can be driven to move upwards when moving upwards, the Z-shaped rod 71 can be in contact with an inclined surface on the inclined surface block 73 when moving upwards, the inclined surface block 73 and the separation plate 72 can be pushed to rotate when moving upwards, the separation plate 72 can be opened when rotating, and therefore the heat dissipation port can be opened through the heat dissipation effect of the heat dissipation port, the separation plate 72 is prevented from affecting heat dissipation, and hot air at the top of the device body 1 can be released through the heat dissipation port.

The cover plate 74 is rotatably installed on the surface of the device body 1, the pushing block 75 is fixedly installed on the surface of the Z-shaped rod 71, the Z-shaped rod 71 is slidably sleeved on the cover plate 74, the pushing block 75 is driven to move upwards when the Z-shaped rod 71 moves upwards, the cover plate 74 can be pushed to rotate upwards when the pushing block 75 moves upwards, the height of gas inside the heat dissipation exhaust device body 1 can be increased through upward rotation of the cover plate 74, original hot air inside the exhaust device body 1 can be exhausted through a heat dissipation port as much as possible, the heat dissipation effect inside the device body 1 can be improved, and meanwhile the effect of dilution influence on fire extinguishing gas can be avoided.

When the device is in work (or in use), when the power supply of the electric meter facility 2 needs to be normally disconnected, the control rod 44 is pushed to move towards the inside of the device body 1, so that the control rod 44 can push the moving plate 45 to move towards the inside of the groove, the control rod 44 can drive the abutting rod 47 to move when moving, the abutting rod 47 can move towards the position with the narrow width of the supporting plate 46, then the control rod 44 is rotated, the control rod 44 can drive the abutting rod 47 to rotate when rotating, the abutting rod 47 can be separated from the supporting plate 46, so that the supporting plate 46 cannot support the abutting rod 47 and the moving plate 41, the moving plate 41 and the inserting rod 42 can be driven to move downwards under the action of the elastic sheet, and the inserting rod 42 can move downwards to be separated from the connecting cylinder 43 to disconnect the power supply of the electric meter facility 2;

when the fault temperature generated in the device body 1 rises, water vapor is generated in the sealing frame 51, the sealing plate 52 is pushed to move upwards by the expansion of the gas in the sealing frame 51, the sealing plate 52 moves upwards to push the pushing rod 53 to move upwards, the inclined surface on the pushing rod 53 is contacted with the inclined surface on the contact rod 54 when the pushing rod 53 moves upwards, so that the contact rod 54 and the control rod 44 are pushed to push when the pushing rod 53 moves upwards, the control rod 44 drives the abutting rod 47 to move, the pushing rod 53 drives the cross rod 57 to move upwards when moving upwards, the cross rod 57 is contacted with the inclined surface on the trapezoidal block 56 when moving upwards, the free end of the elastic expansion plate 55 can push the contact rod 54 and the control rod 44 to rotate under the self-disengaging action of the elastic expansion plate 55, the control rod 44 drives the abutting rod 47 to rotate to disengage from the supporting plate 46, and the elastic force of the first elastic sheet drives the insertion rod 42 to disengage from the connecting cylinder 43 to disconnect the power supply of the electric meter facility 2;

the L-shaped plate 65 is driven to move upwards when the push rod 53 moves upwards, the L-shaped plate 65 can push the connecting rod 64 and the control end of the valve 63 to rotate when moving upwards, the conveying pipe 62 can be opened through the rotation of the control end of the valve 63, so that fire extinguishing gas in the storage frame 61 can be sprayed out of the rubber pipe 91 through the conveying pipe 62, the gas sprayed out of the rubber pipe 91 can act on the bent plate 92 and the arc-shaped block 93, and when the gas is blown onto the bent plate 92, the bent plate 92 can rotate at a certain angle;

the L-shaped plate 65 can drive the Z-shaped rod 71 to move upwards when moving upwards, the Z-shaped rod 71 can contact with the inclined surface on the inclined surface block 73 when moving upwards, so that the inclined surface block 73 and the separating plate 72 can be pushed to rotate when the Z-shaped rod 71 moves upwards, the heat dissipation port can be opened when the separating plate 72 rotates, the pushing block 75 is driven to move upwards when the Z-shaped rod 71 moves upwards, and the cover plate 74 can be pushed to rotate upwards when the pushing block 75 moves upwards.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a high smart electric meter of security, includes device body (1), its characterized in that: the utility model discloses a device for fixing the electric meter, including device body (1), fixed mounting has fixed plate (3) on the inner wall of device body (1), be provided with termination on device body (1), termination includes fly leaf (41), fly leaf (41) slidable mounting is on the inner wall of device body (1), fixed mounting has inserted bar (42) on fly leaf (41), install a wiring section of thick bamboo (43) on fixed plate (3), set up flutedly on fly leaf (41), slidable mounting has movable plate (45) on the inner wall of recess, movable plate (45) rotate on the surface and install control lever (44), fixed mounting has support bar (47) on the surface of control lever (44), fixed mounting has backup pad (46) on the inner wall of device body (1).

2. The smart meter of claim 1, wherein the smart meter further comprises: a first elastic sheet is arranged between the movable plate (41) and the device body (1), a sliding groove is formed in the device body (1), and a baffle (48) is fixedly mounted on one side, close to the sliding groove, of the movable plate (41).

3. The smart meter of claim 2, wherein: a second elastic sheet is arranged between the moving plate (45) and the groove, a volute spring is arranged between the control rod (44) and the moving plate (45), and the width of the supporting plate (46) in the direction that the supporting plate approaches the sliding groove is increased.

4. A smart meter of high security as claimed in claim 3, wherein: the emergency protection device is arranged on the fixing plate (3) and comprises a sealing frame (51), the sealing frame (51) is fixedly installed at the top of the fixing plate (3), a sealing plate (52) is installed on the inner wall of the sealing frame (51) in a sliding mode, a push rod (53) is installed on the inner wall of the sealing frame (51) in a sliding mode, a contact rod (54) is fixedly installed on the surface of a control rod (44), an elastic expansion plate (55) is fixedly installed on the inner wall of the device body (1), a trapezoidal block (56) is fixedly installed on the free end of the elastic expansion plate (55), and a cross rod (57) is fixedly installed on one face, close to the trapezoidal block (56), of the push rod (53).

5. The smart meter of claim 4, wherein the smart meter further comprises: be provided with protector on device body (1), protector is including storing frame (61), storing frame (61) is through separating piece (8) fixed mounting on device body (1), fixed mounting has conveyer pipe (62) on storing frame (61), install valve (63) on conveyer pipe (62), fixed mounting has connecting rod (64) on the control end of valve (63), the top fixed mounting of catch bar (53) has L shaped plate (65).

6. The smart meter of claim 5, wherein: one end fixed mounting that storage frame (61) was kept away from in conveyer pipe (62) has rubber tube (91), rotate on the inner wall of device body (1) and install crooked board (92), fixed mounting has arc piece (93) on the surface of crooked board (92).

7. The smart meter of claim 6, wherein the smart meter further comprises: be provided with emergent ventilation unit on device body (1), emergent ventilation unit includes Z shape pole (71), Z shape pole (71) fixed mounting has been seted up at the top of L shaped plate (65) on device body (1), rotates on the inner wall of thermovent and installs separation plate (72), fixed mounting has bevel piece (73) in the one side that separation plate (72) are close to Z shape pole (71).

8. The smart meter of claim 7, wherein the smart meter further comprises: a cover plate (74) is rotatably arranged on the surface of the device body (1), and a pushing block (75) is fixedly arranged on the surface of the Z-shaped rod (71).