CN112930062A - Electric power instrument with fire prevention function - Google Patents

Abstract

The invention discloses an electric power instrument with a fireproof function, which comprises an outer shell, wherein a reaction cavity is fixedly arranged at the bottom of the outer shell, a reaction groove is fixedly arranged at the inner bottom of the reaction cavity, an inner shell is fixedly arranged inside the outer shell, an inner groove is formed inside the inner shell, a hollow groove is formed between the inner shell and the outer shell, an air release hole is formed in the surface of the outer shell, the input end of the air release hole is communicated with the hollow groove, and a side slide rail is fixedly arranged on the inner edge of the inner groove. According to the electric power meter with the fireproof function, under the effects of carbon dioxide blocking and heat absorption in the double-layer heat-insulating shell and the double-layer shell, the meter body in the inner groove is protected for the first time, and meanwhile, open fire on the surface of the meter body is extinguished in the process that the meter body is pulled back to the inner groove through the extension spring, so that the electric power meter with the fireproof function has good safety and creativity.

Description

Electric power instrument with fire prevention function

Technical Field

The invention relates to the field of electromechanical equipment, in particular to the field of an electric power instrument with a fireproof function.

Background

As is well known, in the existing electric power meter with fire prevention function, for example, chinese patent No. 202010029839.3, when the meter body is exposed to fire, the rope is easily blown by the exposed fire, when the rope is blown, the slider slides into the fire-proof housing under the action of the spring, at this time, the mounting plate is rotated by the action of the movable rod, and the mounting plate is completely attached to the rectangular opening, so that the whole fire-proof housing is in a sealed state, and at this time, the meter body is located inside the fire-proof housing, and can be effectively isolated from the external exposed fire, thereby greatly protecting the possibility that the meter body is damaged by the exposed fire, but there still exist some problems, firstly, along with the generation of the exposed fire, the temperature around the exposed fire will be higher and higher, the high temperature may damage the electric power meter, and the exposed fire is not enough to blow the rope, and the device after the meter body completely enters the fire-proof housing, just can prick the fire bag and produce carbon dioxide and put out a fire to the instrument body, open fire easily causes the damage to the instrument body that has not arrived to get into the inside of fire prevention shell like this, secondly the mixed action of the outside open fire of fire prevention shell and high temperature also can cause the damage to the inside instrument of fire prevention shell and fire prevention shell body, this life that leads to the fire prevention shell is lower, and the fire bag finishes using and needs quick replacement, the change process is comparatively loaded down with trivial details, in view of this, we provide an electric power instrument with fire prevention function.

Disclosure of Invention

The invention mainly aims to provide an electric power instrument with a fireproof function, which can effectively solve the problems in the background technology.

In order to achieve the purpose, the invention adopts the technical scheme that:

the utility model provides an electric power instrument with fire prevention function, includes the shell body, the bottom fixed mounting of shell body has the reaction chamber, the interior bottom fixed mounting of reaction chamber has the reaction tank, the inside fixed mounting of shell body has interior casing, the inside of interior casing has seted up the inside groove, seted up the dead slot between interior casing and the shell body, the surface of shell body has seted up the hole of disappointing, the input and the dead slot of disappointing hole switch on, the interior edge fixed mounting of inside groove has the side slide rail, driving gear and connecting block are installed to the bottom of side slide rail, the internally mounted of connecting block has driven gear, the driving gear is connected with driven gear transmission, the interior edge fixed mounting of inside groove has the spacing ring, the spacing ring is located the afterbody of side slide rail, the internal surface activity of spacing ring;

the bottom fixed mounting of backup pad has the calcium carbonate solid, the side fixed mounting of backup pad has the side rack, driven gear's surface and the meshing transmission of side rack, the bottom of calcium carbonate solid passes the shell body and extends to the inside of reaction chamber, the bottom of shell body and the top that is located the reaction chamber have seted up bottom gas transmission hole, the reaction chamber switches on with the inside groove through bottom gas transmission hole, upper portion gas transmission hole has been seted up to the upper surface of interior casing, the inside groove switches on through upper portion gas transmission hole and dead slot, shell body and interior casing all have better thermal-insulated effect.

The structure can realize that: calcium carbonate solid reacts with acetic acid and produces a large amount of carbon dioxide and fills to the dead slot between the double-deck casing through the inside of inside groove, like this under the effect of the inside carbon dioxide separation of double-deck thermal-insulated casing and double-deck casing and absorption heat, provides first heavy protection to the inside instrument body of inslot.

The invention has the further improvement that the input end of the air release hole is provided with an air outlet groove, the air release hole is communicated with the empty groove through the air outlet groove, two sides of the air outlet groove are provided with limit grooves, a reset spring is fixedly arranged in each limit groove, the air release hole is connected with an air release balloon in a sliding manner, one side of the air release balloon facing the air release hole is arc-shaped, and one side of the air release balloon facing the air release hole is fixedly provided with a sealing block.

The structure can realize that: a large amount of carbon dioxide break through the gathering of disappointing hole at the surface of shell body fast, and the gas protection cover that forms carbon dioxide at the surface of shell body separates the heat and absorbs, reduces the production of the naked light on shell body surface simultaneously, can effectively prevent the damage of naked light and high temperature to the shell body like this.

The invention is further improved in that the upper surface of the side slide rail is provided with a slide groove, the upper surface of the driving gear extends to the inside of the slide groove, the inside of the inner groove is connected with a fixed bottom plate in a sliding manner, the bottom of the fixed bottom plate is fixedly provided with a transmission rack, the lower surface of the transmission rack is in meshing transmission with the driving gear, and the side surface of the fixed bottom plate is in sliding connection with the slide groove.

The invention is further improved in that honeycomb holes are formed in the outer surface of the calcium carbonate solid, the outer surface of the calcium carbonate solid is spherical, dilute acetic acid is contained in the reaction tank, and the calcium carbonate solid and the acetic acid are subjected to chemical reaction to generate carbon dioxide.

The invention further improves the structure that an instrument body is fixedly arranged on the upper surface of the fixed bottom plate, a double-layer door body is fixedly arranged on one side of the fixed bottom plate far away from the side slide rails, a lower connecting ring is fixedly arranged on one side of the double-layer door body facing the outer shell, the side slide rails are fixedly arranged on the surface of the lower connecting ring and are positioned right above the instrument body, an upper connecting ring is fixedly arranged on the side surface of the outer shell, and one ends of the side slide rails far away from the double-layer door body are fixedly connected with the upper connecting ring.

The invention is further improved in that an extension spring is fixedly arranged on the inner edge of the sliding chute, and the right end of the extension spring is fixedly connected with one side of the fixed bottom plate, which is far away from the double-layer door body, so that after the rope is fused at high temperature, the instrument body can quickly return to the inner groove by the pulling of the extension spring.

The invention has the further improvement that the upper surface of the outer shell is fixedly provided with a connecting plate, the outer shell is fixed on the wall surface through the connecting plate, the air release holes are formed in a plurality of side surfaces of the outer shell, and the shell of the reaction cavity has a certain heat insulation effect.

The structure can realize that: the heat on the surface of the shell is uniformly absorbed and distributed, and the shell can be reused.

The invention has the further improvement that a limiting rod is fixedly arranged on one side of the sealing block back to the air release balloon, one side of the limiting rod, which is far away from the sealing block, slides in the limiting groove, and one side of the limiting rod is fixedly connected with a return spring.

The invention has the further improvement that the electric power meter with the fireproof function comprises the following use steps:

a: the device is fixed on the wall surface through a connecting plate, the equipment body is fixed on the upper surface of the fixed bottom plate, the lower connecting ring is fixedly connected with the upper connecting ring through a rope, when a fire disaster occurs outside and high temperature is generated, the rope is made of heating and melting materials, after the rope is heated and melted, the fixed bottom plate slides on the inner surface of the sliding groove under the action of the extension spring, the equipment body is pulled into the inner groove, at the moment, a transmission rack at the bottom of the fixed bottom plate drives a driving gear to rotate, and the driving gear drives a driven gear inside the connecting block to rotate;

b: when the step A is finished, the driven gear drives the side rack on the side face of the supporting plate to drive the calcium carbonate solid positioned in the inner groove to move downwards, the bottom end of the calcium carbonate solid is inserted into acetic acid positioned in the reaction tank, the higher the temperature is, the faster the reaction of the calcium carbonate solid and the acetic acid is, the higher the temperature is, the calcium carbonate solid and the acetic acid are violently reacted, the fireproof shell is of a heat-insulating double-layer shell structure, and the calcium carbonate solid and the acetic acid are reacted to generate a large amount of carbon dioxide which is filled into a hollow groove between the double-layer shells through the inside of the inner groove, so that under the action of blocking and absorbing heat of the carbon dioxide inside the double-layer heat-insulating shells and the double-layer shells, the first heavy protection is provided for the instrument body inside the inner;

c: after the step B is finished, as the air release hole is communicated with the empty groove, and the inner edge of the limit groove is fixedly connected with the limit rod at the tail part of the air release balloon through the reset spring, when calcium carbonate solid continuously reacts with acetic acid, the pressure of carbon dioxide in the empty groove is rapidly increased, the pressure generated by the carbon dioxide enables the air release balloon to jack up, so that a large amount of carbon dioxide rapidly breaks through the accumulation of the air release hole on the outer surface of the outer shell, a gas protection cover of the carbon dioxide is formed on the outer surface of the outer shell to separate and absorb heat, and meanwhile, the generation of open fire on the surface of the outer shell is reduced, so that the damage of the open fire and high temperature to the outer shell can be effectively prevented, and further, the;

d: after the step C is finished, after the fire disaster is extinguished, the double-layer door body is pulled out from the outer shell, and due to the action of the side rack, the driving gear and the driven gear, the calcium carbonate solid is separated from the acetic acid inside the reaction tank again, the lower connecting ring and the upper connecting ring are fixedly connected through the rope again, and the device can be repeatedly utilized for multiple times.

Compared with the prior art, the invention has the following beneficial effects:

1. the rope is made of a heating melting material, after the rope is heated and melted, in the process that the instrument body quickly returns to the inner groove through the pulling of the extension spring, the driving gear drives the driven gear to rotate, so that calcium carbonate solid positioned in the inner groove is driven to move downwards, the bottom end of the calcium carbonate solid is inserted into acetic acid positioned in the reaction groove, the reaction of the calcium carbonate solid and the acetic acid is quicker when the temperature is higher, the calcium carbonate solid and the acetic acid are violently reacted at high temperature, because the fireproof shell is of a heat insulation double-layer shell structure, a large amount of carbon dioxide generated by the reaction of the calcium carbonate solid and the acetic acid is filled into a hollow groove between the double-layer shells through the inside of the inner groove, so that the instrument body inside the inner groove is protected by the first weight under the action of the carbon dioxide separation and the heat absorption inside of the double-layer heat insulation shells, and the open fire on the surface, has better safety and creativity.

2. A plurality of holes of disappointing have been seted up through the surface at the shell body, the hole of disappointing switches on with the dead slot, and the interior edge of spacing groove is through reset spring and the gag lever post fixed connection who leaks the balloon afterbody, thereby it increases fast to keep on reacting with acetic acid and make the pressure of the carbon dioxide in the dead slot as calcium carbonate solid, the pressure that the carbon dioxide produced makes the balloon jack-up of leaking, a large amount of carbon dioxide break through the surface gathering of disappointing the hole at the shell body fast like this, the gas safety cover that forms carbon dioxide at the surface of shell body is with heat separation and absorption, reduce the production of the naked light on shell body surface simultaneously, can effectively prevent the damage of naked light and high temperature to the shell body like this, and then provide the second protection to the inside instrument body of inside the inside.

Drawings

Fig. 1 is a schematic view of an overall structure of an electric power meter with a fire prevention function according to the present invention.

Fig. 2 is an overall internal schematic view of an electric power meter with a fire prevention function according to the present invention.

Fig. 3 is a schematic view illustrating the connection between a support plate and a calcium carbonate solid of an electric power meter with a fireproof function according to the present invention.

Fig. 4 is an overall schematic view of a side rail of an electric power meter with a fire prevention function according to the present invention.

Fig. 5 is an internal schematic view of a gas release hole of an electric power meter with a fire prevention function according to the present invention.

Fig. 6 is an overall schematic view of a gas escape ball of the electric power meter with a fire prevention function according to the present invention.

In the figure: 1. an outer housing; 2. a reaction chamber; 3. an air release hole; 4. a side slide rail; 5. fixing the bottom plate; 6. a drive rack; 7. a double-layer door body; 8. a lower connecting ring; 9. a rope; 10. an upper connecting ring; 11. an inner housing; 12. an empty groove; 13. a connecting plate; 14. an inner tank; 15. an upper gas transfer port; 16. a bottom gas transmission hole; 17. a reaction tank; 18. a limiting ring; 19. a support plate; 20. calcium carbonate solids; 21. a side rack; 22. honeycomb holes; 23. an extension spring; 24. a chute; 25. connecting blocks; 26. a driven gear; 27. a meter body; 28. a driving gear; 301. a limiting groove; 302. an air outlet groove; 303. a return spring; 304. discharging the balloon; 305. a limiting rod; 306. and (6) sealing the block.

Detailed Description

In order to make the technical means, the original characteristics, the achieved objects and the functions of the present invention easy to understand, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. indicate the orientation or the positional relationship based on the orientation or the positional relationship shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, but not for indicating or implying that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and thus not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," and "fourth" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. The invention will be further illustrated with reference to specific embodiments.

Example 1

As shown in figures 1-6, an electric power instrument with fire prevention function comprises an outer shell (1), a reaction chamber (2) is fixedly installed at the bottom of the outer shell (1), a reaction groove (17) is fixedly installed at the inner bottom of the reaction chamber (2), an inner shell (11) is fixedly installed inside the outer shell (1), an inner groove (14) is formed inside the inner shell (11), a hollow groove (12) is formed between the inner shell (11) and the outer shell (1), an air leakage hole (3) is formed in the surface of the outer shell (1), the input end of the air leakage hole (3) is communicated with the hollow groove (12), a side sliding rail (4) is fixedly installed at the inner edge of the inner groove (14), a driving gear (28) and a connecting block (25) are installed at the bottom of the side sliding rail (4), a driven gear (26) is installed inside the connecting block (25), and the driving gear (28, a limiting ring (18) is fixedly arranged on the inner edge of the inner groove (14), the limiting ring (18) is positioned at the tail part of the side slide rail (4), and a supporting plate (19) is movably sleeved on the inner surface of the limiting ring (18);

the bottom fixed mounting of backup pad (19) has calcium carbonate solid (20), the side fixed mounting of backup pad (19) has side rack (21), the surface and the side rack (21) meshing transmission of driven gear (26), shell body (1) and the inside that extends to reaction chamber (2) are passed to the bottom of calcium carbonate solid (20), bottom gas transmission hole (16) have been seted up to the bottom of shell body (1) and the top that is located reaction chamber (2), reaction chamber (2) switch on through bottom gas transmission hole (16) and inside groove (14), upper portion gas transmission hole (15) have been seted up to the upper surface of interior casing (11), inside groove (14) switch on through upper portion gas transmission hole (15) and dead slot (12), shell body (1) and interior casing (11) all have better heat-proof effect.

In the embodiment, the sliding groove (24) is formed in the upper surface of the side sliding rail (4), the upper surface of the driving gear (28) extends into the sliding groove (24), the fixing bottom plate (5) is connected to the inner portion of the inner groove (14) in a sliding mode, the transmission rack (6) is fixedly installed at the bottom of the fixing bottom plate (5), the lower surface of the transmission rack (6) is in meshed transmission with the driving gear (28), and the side face of the fixing bottom plate (5) is connected with the sliding groove (24) in a sliding mode.

In the embodiment, the outer surface of the calcium carbonate solid (20) is provided with honeycomb holes (22), the outer surface of the calcium carbonate solid (20) is spherical, dilute acetic acid is contained in the reaction tank (17), and the calcium carbonate solid (20) and the acetic acid are subjected to chemical reaction to generate carbon dioxide.

In this embodiment, the last fixed surface of PMKD (5) installs instrument body (27), one side fixed mounting who keeps away from side slide rail (4) of PMKD (5) has double door body (7), one side fixed mounting in the face of shell body (1) of double door body (7) has lower go-between (8), the fixed surface of lower go-between (8) installs side slide rail (4), side slide rail (4) are located instrument body (27) directly over, the side fixed mounting of shell body (1) has last go-between (10), the one end and last go-between (10) fixed connection of keeping away from double door body (7) of side slide rail (4).

In this embodiment, an extension spring (23) is fixedly mounted on the inner edge of the sliding chute (24), and the right end of the extension spring (23) is fixedly connected with one side of the fixed bottom plate (5) far away from the double-layer door body (7), so that after the rope (9) is fused at high temperature, the instrument body (27) quickly returns to the inner groove (14) through the pulling of the extension spring (23).

The embodiment can realize that: the rope (9) is made of a heating melting material, after the rope (9) is heated and melted, in the process that the instrument body (27) quickly returns to the inner groove (14) through the pulling of the extension spring (23), the driving gear (28) drives the driven gear (26) to rotate, so that the calcium carbonate solid (20) positioned in the inner groove (14) is driven to move downwards, the bottom end of the calcium carbonate solid (20) is inserted into acetic acid positioned in the reaction groove (17), the reaction of the calcium carbonate solid (20) and the acetic acid is quicker at higher temperature, the calcium carbonate solid (20) and the acetic acid react violently at high temperature, as the fireproof shell is of a heat-insulating double-layer shell structure, a large amount of carbon dioxide generated by the reaction of the calcium carbonate solid (20) and the acetic acid is filled into the empty groove (12) between the double-layer shells through the inner part of the inner groove (14), so under the effects of carbon dioxide blocking and, the instrument body (27) in the inner groove (14) is protected for the first time, and meanwhile, open fire on the surface of the instrument body (27) is extinguished in the process that the instrument body (27) is pulled back to the inner groove (14) through the extension spring (23), so that the instrument has better safety and creativity.

Example 2

As shown in figures 1-6, an electric power instrument with fire prevention function comprises an outer shell (1), a reaction chamber (2) is fixedly installed at the bottom of the outer shell (1), a reaction groove (17) is fixedly installed at the inner bottom of the reaction chamber (2), an inner shell (11) is fixedly installed inside the outer shell (1), an inner groove (14) is formed inside the inner shell (11), a hollow groove (12) is formed between the inner shell (11) and the outer shell (1), an air leakage hole (3) is formed in the surface of the outer shell (1), the input end of the air leakage hole (3) is communicated with the hollow groove (12), a side sliding rail (4) is fixedly installed at the inner edge of the inner groove (14), a driving gear (28) and a connecting block (25) are installed at the bottom of the side sliding rail (4), a driven gear (26) is installed inside the connecting block (25), and the driving gear (28, a limiting ring (18) is fixedly arranged on the inner edge of the inner groove (14), the limiting ring (18) is positioned at the tail part of the side slide rail (4), and a supporting plate (19) is movably sleeved on the inner surface of the limiting ring (18);

the bottom fixed mounting of backup pad (19) has calcium carbonate solid (20), the side fixed mounting of backup pad (19) has side rack (21), the surface and the side rack (21) meshing transmission of driven gear (26), shell body (1) and the inside that extends to reaction chamber (2) are passed to the bottom of calcium carbonate solid (20), bottom gas transmission hole (16) have been seted up to the bottom of shell body (1) and the top that is located reaction chamber (2), reaction chamber (2) switch on through bottom gas transmission hole (16) and inside groove (14), upper portion gas transmission hole (15) have been seted up to the upper surface of interior casing (11), inside groove (14) switch on through upper portion gas transmission hole (15) and dead slot (12), shell body (1) and interior casing (11) all have better heat-proof effect.

In this embodiment, air outlet groove (302) have been seted up to the input of disappointing hole (3), disappointing hole (3) switch on through air outlet groove (302) and dead slot (12), spacing groove (301) have been seted up to the both sides of air outlet groove (302), the inside fixed mounting of spacing groove (301) has reset spring (303), the inside sliding connection of disappointing hole (3) has air leakage ball (304), one side in the face of disappointing hole (3) of air leakage ball (304) sets up to the arc, one side fixed mounting in the face of disappointing hole (3) of air leakage ball (304) has sealed piece (306).

In the embodiment, the sliding groove (24) is formed in the upper surface of the side sliding rail (4), the upper surface of the driving gear (28) extends into the sliding groove (24), the fixing bottom plate (5) is connected to the inner portion of the inner groove (14) in a sliding mode, the transmission rack (6) is fixedly installed at the bottom of the fixing bottom plate (5), the lower surface of the transmission rack (6) is in meshed transmission with the driving gear (28), and the side face of the fixing bottom plate (5) is connected with the sliding groove (24) in a sliding mode.

In the embodiment, the outer surface of the calcium carbonate solid (20) is provided with the honeycomb holes (22) to increase the reaction speed, the outer surface of the calcium carbonate solid (20) is spherical, dilute acetic acid is contained in the reaction tank (17), and the calcium carbonate solid (20) and the acetic acid are subjected to chemical reaction to generate carbon dioxide, so that the contact area of the calcium carbonate solid (20) and the acetic acid can be increased, and the reaction speed is increased.

In this embodiment, the last fixed surface of PMKD (5) installs instrument body (27), one side fixed mounting who keeps away from side slide rail (4) of PMKD (5) has double door body (7), one side fixed mounting in the face of shell body (1) of double door body (7) has lower go-between (8), the fixed surface of lower go-between (8) installs side slide rail (4), side slide rail (4) are located instrument body (27) directly over, the side fixed mounting of shell body (1) has last go-between (10), the one end and last go-between (10) fixed connection of keeping away from double door body (7) of side slide rail (4).

In this embodiment, an extension spring (23) is fixedly mounted on the inner edge of the sliding chute (24), and the right end of the extension spring (23) is fixedly connected with one side of the fixed bottom plate (5) far away from the double-layer door body (7), so that after the rope (9) is fused at high temperature, the instrument body (27) quickly returns to the inner groove (14) through the pulling of the extension spring (23).

In this embodiment, the upper surface fixed mounting of shell body (1) has connecting plate (13), and shell body (1) passes through connecting plate (13) to be fixed on the wall, and disappointing hole (3) are seted up on a plurality of sides of shell body (1), and the casing of reaction chamber (2) has certain thermal-insulated effect, makes the inside temperature of reaction chamber keep in the interval that suitable calcium carbonate reacts with acetic acid like this.

In this embodiment, a limit rod (305) is fixedly mounted on one side of the sealing block (306) back to the air leakage balloon (304), one side of the limit rod (305) far away from the sealing block (306) slides in the limit groove (301), and one side of the limit rod (305) is fixedly connected with the return spring (303).

The embodiment can realize that: the surface of the outer shell (1) is provided with the plurality of air release holes (3), the air release holes (3) are communicated with the empty groove (12), the inner edge of the limit groove (301) is fixedly connected with the limit rod (305) at the tail part of the air release ball (304) through the reset spring (303), when calcium carbonate solid (20) continuously reacts with acetic acid to rapidly increase the pressure of carbon dioxide in the empty groove (12), and the pressure generated by the carbon dioxide enables the air release ball (304) to jack up, so that a large amount of carbon dioxide rapidly breaks through the accumulation of the air release holes (3) on the outer surface of the outer shell (1), a gas protective cover of the carbon dioxide is formed on the outer surface of the outer shell (1) to separate and absorb heat, and the generation of open fire on the surface of the outer shell (1) is reduced, so that the damage of the open fire and high temperature to the outer shell (1) can be effectively prevented, and further the instrument body (27) inside the inner groove (14), has better safety and practicability.

The invention is an electric instrument with fire-proof function, when in use, firstly, the device is fixed on the wall surface through a connecting plate (13), the device body is fixed on the upper surface of a fixed bottom plate (5), a lower connecting ring (8) is fixedly connected with an upper connecting ring (10) through a rope (9), when a fire disaster occurs outside to generate high temperature, the rope (9) is made of heating melting material, after the rope (9) is heated and fused, the fixed bottom plate (5) slides on the inner surface of a sliding chute (24) under the action of a tension spring (23), the device body is pulled into an inner groove (14), then a transmission rack (6) at the bottom of the fixed bottom plate (5) drives a driving gear (28) to rotate, the driving gear (28) drives a driven gear (26) in a connecting block (25) to rotate, secondly, the driven gear (26) drives a side rack (21) at the side surface of a supporting plate (19) to transmit, the calcium carbonate solid (20) positioned in the inner groove (14) is driven to move downwards, the bottom end of the calcium carbonate solid (20) is inserted into acetic acid positioned in the reaction groove (17), the higher the temperature is, the faster the reaction of the calcium carbonate solid (20) and the acetic acid is, the higher the temperature is, the calcium carbonate solid (20) and the acetic acid react, the high temperature ensures that the calcium carbonate solid (20) and the acetic acid react violently, as the fireproof shell is of a heat-insulating double-layer shell structure, a large amount of carbon dioxide is generated by the reaction of the calcium carbonate solid (20) and the acetic acid and is filled into a hollow groove (12) between the double-layer shells through the inside of the inner groove (14), thus under the action of carbon dioxide blocking and heat absorption inside the double-layer heat-insulating shells and the double-layer shells, the first heavy protection is provided for the instrument body (27) inside the inner groove (14), and, meanwhile, as the air release hole (3) is communicated with the empty groove (12), the inner edge of the limit groove (301) is fixedly connected with the limit rod (305) at the tail part of the air release ball (304) through the reset spring (303), the calcium carbonate solid (20) continuously reacts with acetic acid to quickly increase the pressure of carbon dioxide in the empty groove (12), and the pressure generated by the carbon dioxide enables the air release ball (304) to jack up, so that a large amount of carbon dioxide quickly breaks through the air release hole (3) and is gathered on the outer surface of the outer shell (1), a gas protection cover of the carbon dioxide is formed on the outer surface of the outer shell (1) to separate and absorb heat, and the generation of open fire on the surface of the outer shell (1) is reduced, thereby effectively preventing the damage of the open fire and high temperature to the outer shell (1), further providing secondary protection for the instrument body (27) in the inner groove (14), and finally, after the fire is extinguished, the double-layer door body (7) is pulled out from the outer shell (1), the calcium carbonate solid (20) is separated from acetic acid in the reaction tank (17) again under the action of the side rack (21), the driving gear (28) and the driven gear (26), the lower connecting ring (8) is fixedly connected with the upper connecting ring (10) through the rope (9), and the device can be repeatedly used for multiple times.

The foregoing shows and describes the general principles and broad features of the present invention and advantages thereof. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims (9)

1. The utility model provides an electric power instrument with fire prevention function, includes the shell body, its characterized in that: the reaction chamber is fixedly installed at the bottom of the outer shell, the reaction tank is fixedly installed at the inner bottom of the reaction chamber, the inner shell is fixedly installed inside the outer shell, an inner groove is formed inside the inner shell, a dead slot is formed between the inner shell and the outer shell, an air leakage hole is formed in the surface of the outer shell, the input end of the air leakage hole is communicated with the dead slot, a side slide rail is fixedly installed at the inner edge of the inner groove, a driving gear and a connecting block are installed at the bottom of the side slide rail, a driven gear is installed inside the connecting block, the driving gear is in transmission connection with the driven gear, a limiting ring is fixedly installed at the inner edge of the inner groove and located at the tail part of the side slide rail, and a supporting;

the bottom fixed mounting of backup pad has the calcium carbonate solid, the side fixed mounting of backup pad has the side rack, driven gear's surface and the meshing transmission of side rack, the bottom of calcium carbonate solid passes the shell body and extends to the inside of reaction chamber, the bottom of shell body and the top that is located the reaction chamber have seted up bottom gas transmission hole, the reaction chamber switches on with the inside groove through bottom gas transmission hole, upper portion gas transmission hole has been seted up to the upper surface of interior casing, the inside groove switches on through upper portion gas transmission hole and dead slot, shell body and interior casing all have better thermal-insulated effect.

2. The electric power meter with a fire protection function according to claim 1, wherein: the input in the hole of disappointing has seted up the air outlet duct, the hole of disappointing switches on through air outlet duct and dead slot, the spacing groove has been seted up to the both sides in air outlet duct, the inside fixed mounting in spacing groove has reset spring, the inside sliding connection in the hole of disappointing has the balloon of leaking, the one side in the face of the hole of disappointing of leaking the balloon sets up to the arc, the one side fixed mounting in the face of the hole of disappointing of leaking the balloon has sealed piece.

3. The electric power meter with a fire protection function according to claim 1, wherein: the upper surface of the side sliding rail is provided with a sliding groove, the upper surface of the driving gear extends to the inside of the sliding groove, the inside of the inner groove is connected with a fixed bottom plate in a sliding mode, the bottom of the fixed bottom plate is fixedly provided with a transmission rack, the lower surface of the transmission rack is in meshed transmission with the driving gear, and the side face of the fixed bottom plate is in sliding connection with the sliding groove.

4. The electric power meter with a fire protection function according to claim 1, wherein: the honeycomb holes are formed in the outer surface of the calcium carbonate solid, the outer surface of the calcium carbonate solid is spherical, dilute acetic acid is contained in the reaction tank, the cost is low, and the calcium carbonate solid and the acetic acid are subjected to chemical reaction to generate carbon dioxide.

5. The electric power meter with a fire protection function according to claim 1, wherein: the utility model discloses a fixed bottom plate, including PMKD, fixed bottom plate, side slide rail, go up the side slide rail, the last fixed surface of PMKD installs the instrument body, one side fixed mounting that keeps away from the side slide rail of PMKD has the double door body, the double door body one side fixed mounting in the face of the shell body has down the go-between, the fixed surface of go-between installs the side slide rail down, the side slide rail is located the instrument body directly over, the side fixed mounting of shell body has last go-between, the one end and the last go-between fixed connection of.

6. A fire protection electric power meter according to claim 3, wherein: the inner edge of the sliding groove is fixedly provided with an extension spring, the right end of the extension spring is fixedly connected with one side of the fixed bottom plate, which is far away from the double-layer door body, so that after the rope is fused at high temperature, the instrument body can quickly return to the inner groove by pulling the extension spring.

7. An electric power meter with a fire prevention function according to claim 2, characterized in that: the upper surface fixed mounting of shell body has the connecting plate, the shell body passes through the connecting plate to be fixed on the wall, the hole of disappointing is seted up on a plurality of sides of shell body, the casing of reaction chamber has certain thermal-insulated effect.

8. An electric power meter with a fire prevention function according to claim 2, characterized in that: one side fixed mounting that sealed piece is back to the balloon that lets out has the gag lever post, one side of keeping away from sealed piece of gag lever post slides in the inside of spacing groove, one side and reset spring fixed connection of gag lever post.

9. An electric power meter with a fire prevention function according to any one of claims 1 to 8, characterized in that: the use steps are as follows:

a: the device is fixed on the wall surface through a connecting plate, the equipment body is fixed on the upper surface of the fixed bottom plate, the lower connecting ring is fixedly connected with the upper connecting ring through a rope, when a fire disaster occurs outside and high temperature is generated, the rope is made of heating and melting materials, after the rope is heated and melted, the fixed bottom plate slides on the inner surface of the sliding groove under the action of the extension spring, the equipment body is pulled into the inner groove, at the moment, a transmission rack at the bottom of the fixed bottom plate drives a driving gear to rotate, and the driving gear drives a driven gear inside the connecting block to rotate;

b: when the step A is finished, the driven gear drives the side rack on the side face of the supporting plate to drive the calcium carbonate solid positioned in the inner groove to move downwards, the bottom end of the calcium carbonate solid is inserted into acetic acid positioned in the reaction tank, the higher the temperature is, the faster the reaction of the calcium carbonate solid and the acetic acid is, the higher the temperature is, the calcium carbonate solid and the acetic acid are violently reacted, the fireproof shell is of a heat-insulating double-layer shell structure, and the calcium carbonate solid and the acetic acid are reacted to generate a large amount of carbon dioxide which is filled into a hollow groove between the double-layer shells through the inside of the inner groove, so that under the action of blocking and absorbing heat of the carbon dioxide inside the double-layer heat-insulating shells and the double-layer shells, the first heavy protection is provided for the instrument body inside the inner;

c: after the step B is finished, as the air release hole is communicated with the empty groove, and the inner edge of the limit groove is fixedly connected with the limit rod at the tail part of the air release balloon through the reset spring, when calcium carbonate solid continuously reacts with acetic acid, the pressure of carbon dioxide in the empty groove is rapidly increased, the pressure generated by the carbon dioxide enables the air release balloon to jack up, so that a large amount of carbon dioxide rapidly breaks through the accumulation of the air release hole on the outer surface of the outer shell, a gas protection cover of the carbon dioxide is formed on the outer surface of the outer shell to separate and absorb heat, and meanwhile, the generation of open fire on the surface of the outer shell is reduced, so that the damage of the open fire and high temperature to the outer shell can be effectively prevented, and further, the;

d: after the step C is finished, after the fire disaster is extinguished, the double-layer door body is pulled out from the outer shell, and due to the action of the side rack, the driving gear and the driven gear, the calcium carbonate solid is separated from the acetic acid inside the reaction tank again, the lower connecting ring and the upper connecting ring are fixedly connected through the rope again, and the device can be repeatedly utilized for multiple times.

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