CN117452041A - Electric energy meter with flame-proof function - Google Patents

Electric energy meter with flame-proof function Download PDF

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Publication number
CN117452041A
CN117452041A CN202311789488.6A CN202311789488A CN117452041A CN 117452041 A CN117452041 A CN 117452041A CN 202311789488 A CN202311789488 A CN 202311789488A CN 117452041 A CN117452041 A CN 117452041A
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CN
China
Prior art keywords
electric
plugging
sleeve
flame
electric energy
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Granted
Application number
CN202311789488.6A
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Chinese (zh)
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CN117452041B (en
Inventor
王莉
武志辰
刘卫东
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Tianjin Ruixinyuan Intelligent Technology Co ltd
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Tianjin Ruixinyuan Intelligent Technology Co ltd
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Priority to CN202311789488.6A priority Critical patent/CN117452041B/en
Publication of CN117452041A publication Critical patent/CN117452041A/en
Application granted granted Critical
Publication of CN117452041B publication Critical patent/CN117452041B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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    • GPHYSICS
    • G01MEASURING; TESTING
    • G01RMEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R11/00Electromechanical arrangements for measuring time integral of electric power or current, e.g. of consumption
    • AHUMAN NECESSITIES
    • A62LIFE-SAVING; FIRE-FIGHTING
    • A62CFIRE-FIGHTING
    • A62C3/00Fire prevention, containment or extinguishing specially adapted for particular objects or places
    • A62C3/16Fire prevention, containment or extinguishing specially adapted for particular objects or places in electrical installations, e.g. cableways
    • AHUMAN NECESSITIES
    • A62LIFE-SAVING; FIRE-FIGHTING
    • A62CFIRE-FIGHTING
    • A62C31/00Delivery of fire-extinguishing material
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01RMEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R11/00Electromechanical arrangements for measuring time integral of electric power or current, e.g. of consumption
    • G01R11/02Constructional details
    • G01R11/04Housings; Supporting racks; Arrangements of terminals

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Business, Economics & Management (AREA)
  • Emergency Management (AREA)
  • Measuring Volume Flow (AREA)

Abstract

The invention belongs to the technical field of electric energy meters, and relates to an electric energy meter with a flame-retardant function, which comprises an electric meter body, a wire plugging plate and wiring terminals, wherein the wire plugging plate is connected to the inner lower part of the electric meter body, four wiring ports are uniformly arranged at intervals at the inner bottom of the wire plugging plate, the wiring terminals are arranged in the wiring ports, and the electric energy meter further comprises a wire plugging mechanism, and the electric meter body is provided with the wire plugging mechanism for accessing wires and cables. When the electric wire and cable fixing device is operated, the electric wire and cable can be fixed through the sliding frame, then the electric wire and cable is spliced to the plug wire board, the sliding frame is fixed through the clamping block, after the electric wire and cable heat, the clamping block is not locked by the copper-iron alloy sheet after the electric wire and cable heat, the elastic piece can push the sliding frame to pop up at the moment, and therefore the electric wire and cable are separated from the plug wire board, and the flame-retardant effect is achieved.

Description

Electric energy meter with flame-proof function
Technical Field
The invention belongs to the technical field of electric energy meters, and relates to an electric energy meter with a flame-proof function.
Background
The electric energy meter is a device for metering and recording electricity consumption, and is widely used in power grids and families. Electric energy meters, i.e. metering instruments for metering electric power, also known as electric meters, fire meters, electric power meters, kilowatt-meters, meters for metering various electric parameters; currently, electricity meters have become an indispensable part of people's life.
In the process of using the electric energy meter, if the electric load of electric wire and cable is too large, or a short circuit phenomenon occurs, the temperature of the electric wire and cable is too high, even spontaneous combustion occurs, while the traditional electric energy meter is usually provided with an air switch which can disconnect a circuit, but only the power supply is connected and disconnected, the electric wire and cable cannot be separated from an interface, and when the temperature rises to a fire state, the electric wire and cable burns, so that the electric energy meter is easy to spread beyond the electric energy meter, other objects near the electric energy meter are affected by high temperature and flame, and further, the instrument is damaged and data are lost, and fire is easy to occur in severe cases.
Disclosure of Invention
In view of the above, the present invention provides an electric energy meter with a flame-proof function.
The technical proposal is as follows: the utility model provides an electric energy meter with flame retardant efficiency, including ammeter body, wiring board and wiring end, this internal lower part of ammeter is connected with wiring board, the bottom evenly spaced is equipped with four wiring mouthfuls in the wiring board, be provided with the wiring end in the wiring mouthfuls, still including wiring mechanism, locking mechanical and pop-up mechanism, be equipped with the wiring mechanism that is used for inserting electric wire and cable on the ammeter body, wiring mechanism is including carriage, stop collar and locking bush, this internal lower part sliding connection of ammeter has the carriage, be connected with the stop collar on the carriage, the carriage bottom evenly spaced is equipped with four round holes in order to pass the electric wire, be equipped with the locking mechanical with the carriage locking mechanical system of locking on the wiring board, locking mechanical system is including copper iron alloy piece and fixture block, evenly spaced is equipped with four L shape passageway on the wiring board, is provided with copper iron alloy piece in the L shape passageway, copper iron alloy piece has elasticity, copper iron alloy piece can be at L shape passageway internal activity, four copper iron alloy pieces respectively with four wiring end connection, four copper iron alloy piece are connected with between the tip and are used for ejecting out the fixture block on the wiring board, the wiring board is used for popping up the carriage.
As a further preferable scheme, four arc-shaped grooves are uniformly spaced on the limiting sleeve, four arc-shaped grooves are uniformly spaced on the locking sleeve, and when the locking sleeve is connected with the limiting sleeve, the two arc-shaped grooves are circular and are used for fixing the electric wire.
As a further preferred embodiment, the locking sleeve and the stop collar can be connected together by means of a screw.
As a further preferable scheme, the ejecting mechanism comprises a pressure receiving plate and an elastic piece I, a sliding groove is formed in the plug wire board, the sliding frame is in sliding fit with the sliding groove, the pressure receiving plate is connected in a sliding mode in the sliding groove, and the elastic piece I is connected between the pressure receiving plate and the sliding groove.
As a further preferred scheme, the shielding mechanism comprises a shielding shell, a ventilation fan and ventilation nets, wherein the shielding shell used for shielding the lower part of the electric meter body is clamped on the electric meter body, at least two ventilation nets are embedded in the shielding shell, and the ventilation fans are arranged on the lower parts of two sides of the electric meter body.
As a further preferred scheme, the electric meter comprises a plugging mechanism, wherein the plugging mechanism comprises a plugging block, a first plugging plate, a compression rod, a second elastic element and a second plugging plate, the plugging block is connected to the sliding frame, four through holes for penetrating through wires are uniformly formed in the plugging block at intervals, the first plugging plate for plugging a ventilation net is connected to the sliding connection of the plugging shell, the compression rod is connected to the first plugging plate, the compression rod can be extruded to move downwards by the downward movement of the locking sleeve, the second plugging plate for plugging a ventilation fan is connected to both sides of the lower portion of the electric meter body in a sliding manner, the second elastic element is connected between the second plugging plate and the inner bottom of the electric meter body, a convex plate is arranged on the second plugging plate, and the convex plate is supported by the limiting sleeve.
As a further preferable scheme, the electric meter further comprises a sealing gasket, and the sealing gasket is arranged between the electric meter body and the shielding shell so as to prevent gas leakage.
As a further preferred scheme, the air injection device comprises an air injection mechanism, the air injection mechanism comprises a sleeve, an air tank, a gear shaft, a transmission gear, a plugging ring, an elastic piece III, an elastic piece IV and a one-way valve, wherein the two sides of a plug board are respectively connected with the sleeve, the air tank filled with carbon dioxide is connected in the sleeve in an sliding manner, the elastic piece III is connected between the air tank and the sleeve, the gear shaft is connected with the gear shaft in a rotating manner in the lower portion of the air tank, the gear shaft penetrates through the sleeve and can move in the sleeve, the bottom of the sleeve is uniformly spaced and provided with an air outlet, the bottom of the gear shaft is connected with the transmission gear, the two sides of a sliding frame are uniformly spaced and provided with tooth grooves, the tooth grooves are meshed with the transmission gear, the position of the gear shaft extending into the air tank is connected with the plugging ring, the four elastic pieces are connected between the gear shaft and the air tank, the plugging ring and the air tank bottom are uniformly spaced and provided with air holes in the staggered arrangement, and the front side of the shielding shell is provided with two air outlets under the initial state, and the one-way valve is arranged at the air outlet.
The invention has the following advantages: 1. when the electric wire and cable fixing device is operated, the electric wire and cable can be fixed through the sliding frame, then the electric wire and cable is spliced to the plug wire board, the sliding frame is fixed through the clamping block, after the electric wire and cable heat, the clamping block is not locked by the copper-iron alloy sheet after the electric wire and cable heat, the elastic piece can push the sliding frame to pop up at the moment, and therefore the electric wire and cable are separated from the plug wire board, and the flame-retardant effect is achieved.
2. In the use process, if the electric wires and cables generate heat, the first plugging plate and the second plugging plate can be driven to plug the positions of the ventilation net and the ventilation fan respectively, so that oxygen is isolated, and the oxygen is prevented from entering the ammeter body to provide a combustion environment.
3. According to the invention, when the sliding frame moves, the gas tank can be controlled to be opened, so that carbon dioxide in the gas tank can be flushed out to the ammeter body, and when the carbon dioxide is flushed out, the original air can be extruded out through the gas outlet hole, so that oxygen in the ammeter body is further reduced, and the electric wire and cable are prevented from burning to cause a fire.
Drawings
Fig. 1 is a schematic perspective view of the present invention.
Fig. 2 is a schematic structural view of the wire plugging mechanism of the present invention.
FIG. 3 is a schematic view of the structure of the locking mechanism and the ejector mechanism of the present invention.
Fig. 4 is an exploded view of the mechanism of the locking mechanism and the ejector mechanism of the present invention.
Fig. 5 is a schematic structural view of a shielding mechanism of the present invention.
Fig. 6 is a schematic structural view of a shielding mechanism and a plugging mechanism according to the present invention.
Fig. 7 is a schematic structural view of the plugging mechanism of the present invention.
Fig. 8 is an enlarged view of portion a of fig. 6 in accordance with the present invention.
Fig. 9 is a schematic view of a first configuration of the air injection mechanism of the present invention.
Fig. 10 is a schematic view of a second configuration of the air jet mechanism of the present invention.
Fig. 11 is a cross-sectional view of the air jet mechanism of the present invention.
Fig. 12 is an exploded view of the air jet mechanism of the present invention.
Wherein: the electric meter comprises a 1-electric meter body, a 2-plug board, a 21-wiring terminal, a 31-sliding frame, a 32-limiting sleeve, a 33-locking sleeve, a 41-copper iron alloy sheet, a 42-clamping block, a 43-compression plate, a 44-elastic piece I, a 51-shielding shell, a 52-ventilation fan, a 53-ventilation net, a 61-blocking block, a 62-plug board I, a 63-compression rod, a 64-elastic piece II, a 65-plug board II, a 7-sealing gasket, a 81-sleeve, a 82-gas tank, a 83-gear shaft, a 831-transmission gear, a 84-blocking ring, a 85-elastic piece III, a 86-elastic piece IV and a 87-one-way valve.
Detailed Description
The invention will be further illustrated by the following description of specific examples, which are given by the terms such as: setting, mounting, connecting are to be construed broadly, and may be, for example, fixed, removable, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present invention will be understood in specific cases by those of ordinary skill in the art.
The utility model provides an electric energy meter with flame retardant function, as shown in fig. 1-4, including ammeter body 1, wiring board 2, wiring end 21, wiring mechanism, locking mechanical system and pop-up mechanism, the lower part is connected with wiring board 2 in the ammeter body 1, evenly spaced in the wiring board 2 is equipped with four wiring mouths, be provided with wiring end 21 in the wiring mouths, be equipped with the wiring mechanism that is used for inserting electric wire and cable on the ammeter body 1, be equipped with on the wiring board 2 and be used for the locking mechanical system of wiring mechanism locking and be used for the pop-up mechanism with the wiring mechanism release.
As shown in fig. 2-4, the wire plugging mechanism comprises a sliding frame 31, a limiting sleeve 32 and a locking sleeve 33, wherein the sliding frame 31 is slidably connected to the lower portion in the electric meter body 1, the sliding frame 31 can move out of the electric meter body 1 by sliding downwards, the upper portion of the front side of the sliding frame 31 is connected with the limiting sleeve 32, four arc-shaped grooves are uniformly spaced on the locking sleeve 33, when the locking sleeve 33 is connected with the limiting sleeve 32, the two arc-shaped grooves are circular and are used for fixing electric wires, the locking sleeve 33 and the limiting sleeve 32 can be connected together through bolts, and four round holes are uniformly spaced at the bottom of the sliding frame 31 so as to conveniently penetrate the electric wires.
As shown in fig. 2-4, the locking mechanism comprises copper-iron alloy sheets 41 and clamping blocks 42, four L-shaped channels are uniformly spaced on the patch board 2, the copper-iron alloy sheets 41 are arranged in the L-shaped channels, the copper-iron alloy sheets 41 have certain elasticity, the copper-iron alloy sheets 41 can move in the L-shaped channels, the four copper-iron alloy sheets 41 are respectively contacted with the four wiring terminals 21, the clamping blocks 42 are connected between the ends of the four copper-iron alloy sheets 41, clamping grooves are formed in the sliding frame 31, the clamping blocks 42 are clamped in the clamping grooves and used for clamping the sliding frame 31, and inclined surfaces for the sliding frame 31 to extrude are arranged at the lower parts of the clamping blocks 42.
As shown in fig. 2-4, the ejecting mechanism includes a pressure receiving plate 43 and an elastic member one 44, a sliding groove is formed in the patch board 2, the sliding frame 31 is slidably matched with the sliding groove, the pressure receiving plate 43 is slidably connected in the sliding groove, the elastic member one 44 is connected between the pressure receiving plate 43 and the sliding groove, and the elastic member one 44 is a thrust spring.
When the electric energy meter is required to be used, the sliding frame 31 can be drawn out firstly, the electric wire passes through the round hole in the sliding frame 31, then the electric wire passes through the arc-shaped groove at the position of the limiting sleeve 32, after the electric wire passes through the arc-shaped groove, the locking sleeve 33 is placed on the limiting sleeve 32, the electric wire is fixed, then the locking sleeve 33 and the limiting sleeve 32 are fixed together by using the bolts, then the sliding frame 31 is inserted into the ammeter body 1, then the electric wire can be inserted into the wiring opening of the wiring board 2 and is in contact with the wiring terminal 21, the wiring effect is achieved, the clamping block 42 is extruded through the inclined plane on the clamping block 42 to be forwards tilted, the copper-iron alloy sheet 41 is deformed, the first elastic piece 44 is compressed until the clamping groove on the sliding frame 31 is aligned with the clamping block 42, at the moment, the clamping block 42 is reset to clamp the clamping groove under the action of the copper-iron alloy sheet 41, thereby fixing the sliding frame 31, if the electric wire is in a short circuit, the electric wire and the wiring terminal 21 can generate heat, the heat is conducted to the copper-iron alloy sheet 41, the copper-iron sheet 41 is deformed after being inserted into the wiring opening of the wiring board 2 and is contacted with the wiring board 21, the electric wire is prevented from being separated from the electric wire to the upper side of the electric wire through the upper side of the clamping block, and the lower side of the electric wire is prevented from being separated from the electric wire from being broken down by the electric wire, and being broken down due to the electric wire is pushed down to the electric wire 43, and the electric wire is prevented from being broken down when the electric wire is pushed down to be separated from the electric wire is caused to the electric wiring from the electric wire and the electric wire is caused to the lower side.
As shown in fig. 5 and 6, the shielding mechanism further comprises a shielding shell 51, a ventilation fan 52 and a ventilation net 53, the shielding shell 51 is clamped at the lower portion of the electric meter body 1, the shielding shell 51 shields the lower portion of the electric meter body 1 and is used for shielding the lower portion of the electric meter body 1, two ventilation nets 53 are embedded in the front side of the shielding shell 51, and the ventilation fan 52 is installed at the lower portions of the left side and the right side of the electric meter body 1.
During the use, can shelter from the casing 51 through shelter from to play shelter from the effect of protection, if need ventilative, can open ventilation fan 52 and assist ventilative through ventilative net 53.
As shown in fig. 6-8, the plugging mechanism further comprises a plugging block 61, a plugging plate one 62, a compression rod 63, an elastic member two 64 and a plugging plate two 65, the sliding frame 31 is connected with the plugging block 61, four through holes for passing through wires are uniformly spaced on the plugging block 61, the plugging plate one 62 is slidably connected with the plugging shell 51, the plugging plate one 62 can slidingly plug the ventilation net 53, the compression rod 63 is connected with the plugging plate one 62, the compression rod 63 is located below the locking sleeve 33, so that the compression rod 63 can be extruded to move downwards by the locking sleeve 33, the plugging plate two 65 is slidably connected with the left side and the right side of the inner lower portion of the electric meter body 1, the plugging plate two 65 can plug the ventilation fan 52, the elastic member two 64 is connected between the plugging plate two 65 and the inner bottom of the electric meter body 1, the elastic member two 64 is an elastic rope, the plugging plate two 65 is provided with a convex sleeve 32, and the convex sleeve 32 is used for plugging the limiting the plugging plate two.
After the electric wire is assembled in the electric meter, the limiting sleeve 32 is propped against the convex plate at the second 65 part of the plugging plate, the second 64 elastic part is in a stretching state, when the terminal 21 or the electric wire heats to cause the sliding frame 31 to slide downwards, a gap between the electric meter body 1 and the sliding frame 31 can be blocked by the plugging block 61, the sliding frame 31 can also drive the limiting sleeve 32 and the locking sleeve 33 to move downwards when sliding downwards, the locking sleeve 33 moves downwards to pull the pressure receiving rod 63 to move downwards, so that the first 62 plugging plate moves downwards to plug the ventilation net 53, the limiting sleeve 32 does not hold the convex plate after moving downwards, and at the moment, the second 65 plugging plate moves downwards to plug the ventilation fan 52 under the action of the second 64 elastic part, so that gas is isolated, oxygen is prevented from entering the electric meter body 1, a combustion environment is further provided, a flame retardant effect is further achieved, and even if the electric meter has a fire, no oxygen can be extinguished in the combustion process.
As shown in fig. 9, a sealing gasket 7 is further included, and the sealing gasket 7 is disposed between the ammeter body 1 and the shielding shell 51, so as to prevent gas leakage.
As shown in fig. 9-12, the air injection device further comprises an air injection mechanism, the air injection mechanism comprises a sleeve 81, an air tank 82, a gear shaft 83, a transmission gear 831, a sealing ring 84, an elastic member III 85, an elastic member IV 86 and a one-way valve 87, the left side and the right side of the plug board 2 are connected with the sleeve 81, the air tank 82 is connected with the air tank 82 in a sliding manner, carbon dioxide is filled in the air tank 82, the air tank 82 and the sleeve 81 are connected with the elastic member III 85, the elastic member III 85 is a return spring, the lower part in the air tank 82 is rotationally connected with the gear shaft 83, the gear shaft 83 penetrates through the sleeve 81 and can slide in the sleeve 81 and rotate, air outlets are uniformly arranged at intervals at the bottom of the sleeve 81, the bottom of the gear shaft 83 is connected with the transmission gear 831, tooth grooves are uniformly arranged at intervals at the left side and right side of the sliding frame 31, the tooth grooves are meshed with the transmission gear 831, the position of the gear shaft 83 extending into the air tank 82 is connected with the sealing ring 84, the elastic member IV 86 is connected between the air tank 82, the elastic member IV 86 is connected with the air tank 84, the elastic member 86 penetrates through the sleeve 81, the air tank 84 is provided with the vent holes at the air tank 82, the vent holes are uniformly arranged at the bottom of the air tank 82, the air vent holes are uniformly arranged at the bottom of the air vent holes 82, and the air vent holes are uniformly arranged at the air vent holes are respectively, and are uniformly spaced at the air vent holes and are respectively, and the air vent holes are respectively, and the vent hole is set at the air vent holes and the air vent hole and is respectively.
After the ammeter is assembled, the shielding shell 51 presses the air tank 82, the elastic element III 85 is in a compressed state, the transmission gear 831 can be triggered to rotate through the tooth socket in the process of popping up the sliding frame 31, the transmission gear 831 rotates to drive the plugging ring 84 to rotate through the gear shaft 83, the upper air holes of the plugging ring 84 are communicated with the air holes at the air tank 82 after the plugging ring 84 rotates, at the moment, carbon dioxide in the air tank 82 is discharged to extrude air in the ammeter body 1, oxygen is extruded through the air holes, combustion conditions are further reduced, a flame retardant effect is achieved, the sliding frame 31 is pulled out in the actual maintenance process, the shielding shell 51 can be detached firstly, the shielding shell 51 does not block the air tank 82 any more, the gear shaft 83 and the transmission gear 831 are driven to move upwards under the action of the elastic element III 85, the transmission gear 831 moves upwards to be separated from the tooth socket, and therefore the sliding frame 31 is pulled out during maintenance, and the air tank 82 cannot be triggered.
The foregoing is merely a preferred embodiment of the present invention and it should be noted that modifications and adaptations to those skilled in the art may be made without departing from the principles of the present invention, which are intended to be comprehended within the scope of the present invention.

Claims (8)

1. Electric energy meter with flame retardant function, including ammeter body (1), wiring board (2) and wiring end (21), lower part is connected with wiring board (2) in ammeter body (1), evenly spaced is equipped with four wiring mouths in wiring board (2), be provided with wiring end (21), its characterized in that in the wiring mouth: still including plug wire mechanism, locking mechanical system and pop out the mechanism, be equipped with the plug wire mechanism that is used for inserting electric wire and cable on ammeter body (1), plug wire mechanism is including carriage (31), stop collar (32) and locking sleeve (33), lower part sliding connection has carriage (31) in ammeter body (1), be connected with stop collar (32) on carriage (31), carriage (31) bottom evenly spaced apart is equipped with four round holes to be convenient for pass the electric wire, be equipped with the locking mechanical system that is used for locking carriage (31) on plug wire board (2), locking mechanical system is including copper iron alloy piece (41) and fixture block (42), evenly spaced apart on plug wire board (2) are equipped with four L shape passageway, are provided with copper iron alloy piece (41) in the L shape passageway, copper iron alloy piece (41) have elasticity, copper iron alloy piece (41) can be in L shape passageway internal motion, four copper iron alloy piece (41) contact with four wiring ends (21) respectively, are connected with between four copper iron alloy piece (41) tip and block and are used for ejecting out on plug wire board (2) with the fixture block (42).
2. The electric energy meter with flame-proof function as set forth in claim 1, wherein: four arc grooves are uniformly spaced on the limiting sleeve (32), four arc grooves are uniformly spaced on the locking sleeve (33), and when the locking sleeve (33) is connected with the limiting sleeve (32), the two arc grooves are circular and are used for fixing the electric wire.
3. An electric energy meter with flame-proof function as set forth in claim 2, wherein: the locking sleeve (33) and the limiting sleeve (32) can be connected together through bolts.
4. The electric energy meter with flame-proof function as set forth in claim 1, wherein: the spring mechanism comprises a pressure receiving plate (43) and an elastic piece I (44), a sliding groove is formed in the plug wire board (2), the sliding frame (31) is in sliding fit with the sliding groove, the pressure receiving plate (43) is connected in the sliding groove in a sliding mode, and the elastic piece I (44) is connected between the pressure receiving plate (43) and the sliding groove.
5. The electric energy meter with flame-proof function as set forth in claim 1, wherein: the shielding mechanism comprises a shielding shell (51), a ventilation fan (52) and ventilation nets (53), wherein the shielding shell (51) used for shielding the lower part of the electric meter body (1) is clamped on the electric meter body (1), at least two ventilation nets (53) are embedded in the shielding shell (51), and the ventilation fans (52) are arranged on the lower parts of two sides of the electric meter body (1).
6. The electric energy meter with flame-proof function as set forth in claim 5, wherein: the electric meter is characterized by further comprising a plugging mechanism, wherein the plugging mechanism comprises a plugging block (61), a first plugging plate (62), a pressure receiving rod (63), a second elastic piece (64) and a second plugging plate (65), the sliding frame (31) is connected with the plugging block (61), four through holes for penetrating wires are uniformly formed in the plugging block (61) at intervals, the first plugging plate (62) for plugging the ventilation net (53) is connected in the shielding shell (51) in a sliding manner, the pressure receiving rod (63) is connected to the first plugging plate (62), the locking sleeve (33) moves downwards and can extrude the pressure receiving rod (63) to move downwards, the second plugging plate (65) for plugging the ventilation fan (52) is connected to two sides of the lower portion of the electric meter body (1) in a sliding manner, the second elastic piece (64) is connected between the second plugging plate (65) and the inner bottom of the electric meter body (1), and the convex plate is arranged on the second plugging plate (65) and the limiting sleeve (32) is used for supporting the convex plate.
7. The electric energy meter with flame-proof function as set forth in claim 5, wherein: the electric meter further comprises a sealing gasket (7), and the sealing gasket (7) is arranged between the electric meter body (1) and the shielding shell (51) so as to prevent gas leakage.
8. The electric energy meter with flame-proof function as set forth in claim 5, wherein: the air injection device comprises a sleeve (81), an air tank (82), a gear shaft (83), a transmission gear (831), a blocking ring (84), an elastic piece III (85), an elastic piece IV (86) and a one-way valve (87), wherein the sleeve (81) is connected to two sides of the plug board (2), the air tank (82) filled with carbon dioxide is connected to the inner side of the sleeve (81) in a sliding manner, the elastic piece III (85) is connected between the air tank (82) and the sleeve (81), the gear shaft (83) is connected to the gear shaft (82) in a rotating manner, the gear shaft (83) penetrates through the sleeve (81) and can move in the sleeve (81), air outlet holes are uniformly formed in the bottom of the sleeve (81) at intervals, the transmission gear (831) is connected to the bottom of the gear shaft (83), tooth grooves (84) are uniformly formed in the two sides of the sliding frame (31) at intervals, the tooth grooves are meshed with the transmission gear (831), the position of the gear shaft (83) extending into the air tank (82) is connected to the blocking ring (82), the air tank (83) is connected to the air outlet holes (84), the air tank (84) are uniformly formed in the air outlet holes (84) and the bottom of the air tank (84), the air vents at the bottom of the plugging ring (84) and the air tank (82) are arranged in a staggered mode in the initial state, two air vents are formed in the front side of the shielding shell (51), and one-way valves (87) are arranged at the air vents.
CN202311789488.6A 2023-12-25 2023-12-25 Electric energy meter with flame-proof function Active CN117452041B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202311789488.6A CN117452041B (en) 2023-12-25 2023-12-25 Electric energy meter with flame-proof function

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Application Number Priority Date Filing Date Title
CN202311789488.6A CN117452041B (en) 2023-12-25 2023-12-25 Electric energy meter with flame-proof function

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CN117452041A true CN117452041A (en) 2024-01-26
CN117452041B CN117452041B (en) 2024-05-17

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CN210090534U (en) * 2019-04-19 2020-02-18 江西明正智能电气有限公司 Ammeter case that outdoor protection nature is high
CN114295877A (en) * 2021-12-10 2022-04-08 浙江晨泰科技股份有限公司 Prevent virtual smart electric meter collector who connects convenient to wiring
CN114236205A (en) * 2021-12-15 2022-03-25 深圳供电局有限公司 Electric energy meter base and corresponding method for replacing electric energy meter without power outage
CN115586359A (en) * 2022-04-02 2023-01-10 赵庆辉 Ammeter with protection function
CN114552410A (en) * 2022-04-26 2022-05-27 南通华研自动化科技有限公司 Electric control cabinet with self-sealing structure after fire
CN115579747A (en) * 2022-10-10 2023-01-06 肖致祥 Smart electric meter with automatic fire extinguishing function
CN116879599A (en) * 2023-07-27 2023-10-13 国网山东省电力公司临清市供电公司 Intelligent ammeter based on thing networking has remote alarm function

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