CN112362934A - External ammeter case - Google Patents

External ammeter case Download PDF

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Publication number
CN112362934A
CN112362934A CN202110045461.0A CN202110045461A CN112362934A CN 112362934 A CN112362934 A CN 112362934A CN 202110045461 A CN202110045461 A CN 202110045461A CN 112362934 A CN112362934 A CN 112362934A
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China
Prior art keywords
box
wall
external
fixed mounting
box body
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Granted
Application number
CN202110045461.0A
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Chinese (zh)
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CN112362934B (en
Inventor
张悦
王巧年
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BEIJING YUPONT ELECTRIC POWER TECHNOLOGY Co.,Ltd.
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Nanjing Xiangwei Logistics Equipment Manufacturing Co ltd
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Priority to CN202110045461.0A priority Critical patent/CN112362934B/en
Publication of CN112362934A publication Critical patent/CN112362934A/en
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Publication of CN112362934B publication Critical patent/CN112362934B/en
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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
    • G01R11/02Constructional details
    • G01R11/04Housings; Supporting racks; Arrangements of terminals
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D46/00Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
    • B01D46/10Particle separators, e.g. dust precipitators, using filter plates, sheets or pads having plane surfaces
    • B01D46/12Particle separators, e.g. dust precipitators, using filter plates, sheets or pads having plane surfaces in multiple arrangements
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D46/00Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
    • B01D46/56Filters or filtering processes specially modified for separating dispersed particles from gases or vapours with multiple filtering elements, characterised by their mutual disposition
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D53/00Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
    • B01D53/02Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by adsorption, e.g. preparative gas chromatography
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D53/00Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
    • B01D53/26Drying gases or vapours
    • B01D53/261Drying gases or vapours by adsorption
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D53/00Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
    • B01D53/26Drying gases or vapours
    • B01D53/266Drying gases or vapours by filtration
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D2257/00Components to be removed
    • B01D2257/80Water

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  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Engineering & Computer Science (AREA)
  • Analytical Chemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Drying Of Solid Materials (AREA)

Abstract

The invention belongs to the technical field of electric power accessories, and particularly relates to an external electric meter box, aiming at the problem that the service life of an electric meter and other electric power accessories is shortened due to the fact that water vapor enters the electric meter box because a plurality of heat dissipation holes are formed in the prior art, the external electric meter box provides the following scheme. According to the invention, the temperature and humidity sensor is used for detecting in real time, the number of the opened movable plates and the rotation angle of the movable plates are determined according to the set temperature gradient limit value, the movable plates are popped out and the elastic curtain is pulled open by electrifying the electromagnet, the exhaust fan works to carry out convection and heat exchange on external cold air and internal hot air, the movable plates are reset to be clamped with the silica gel clamping seat by powering off the electromagnet, and the possibility that external water vapor enters the box body in rainy days in cloudy days is greatly reduced.

Description

External ammeter case
Technical Field
The invention relates to the technical field of power accessories, in particular to an external ammeter box.
Background
The electric meter box is used as a common power distribution device in a distribution line or a metering line and is indispensable equipment in a power transmission network, a plurality of electric meters are safely placed in the electric meter box to record electric quantity, the box body is made of resin-based composite materials and comprises a matrix, namely polyester resin and reinforcing materials, and the electric meter box is mainly formed by injection molding and pressing of ABS engineering plastics, polycarbonate transparent PC materials, DMC and SMC during production.
The ammeter box has the following characteristics: the anti-theft box thoroughly solves the human casualty accidents caused by poor grounding and foreign matter lap joint, has low comprehensive use cost and long service life, effectively resists external force impact, has higher recovery cost of box materials to prevent theft, can reduce the maintenance cost of the box by a splicing mode, does not generate suffocation gas during high-temperature combustion, and the like; the electric meter box is required to be installed in public facilities such as municipal administration, residential districts, telecommunication, electric power, rural power networks, factories, enterprises, institutions, heating power, fire fighting and the like.
The ammeter case is as the protection carrier of inside electric part, and the steadiness reliability after its installation is the important guarantee of ensureing user's safety power consumption, and most ammeter case are concentrated and all are installed outdoor, and the electric power personnel of being convenient for check and maintenance and check meter, but current external ammeter case exists because be provided with a plurality of louvres and lead to inside steam gets into the ammeter case, leads to the problem that ammeter and other electric power accessory life shorten.
Disclosure of Invention
Based on the technical problem that the service lives of an ammeter and other electric power accessories are shortened due to the fact that water vapor enters the inside of the ammeter box due to the fact that a plurality of heat dissipation holes are formed in the ammeter box in the prior art, the invention provides an external ammeter box.
The invention provides an external ammeter box, which comprises an M-shaped frame, wherein a plurality of positioning columns are inserted at two ends of the M-shaped frame, a lifting frame is fixedly arranged at one end of each of two groups of the positioning columns, a box body is arranged in the lifting frame, toothed plates are fixedly arranged on the outer walls of two sides of the box body, drying cylinders are fixedly arranged on two sides of the inner wall of the top end and the bottom end of the box body, a filtering mechanism is embedded at the bottom end of the box body, an exhaust fan is fixedly arranged at the lower end of the inner wall of the box body through a support, a temperature and humidity sensor is fixedly arranged in the middle of the inner wall of the top end of the box body, a plurality of smoke sensors are fixedly arranged on the inner walls of two sides of the box body, a plurality of bunching boxes are fixedly arranged on the, and the lower end of one side of the heat dissipation window is fixedly provided with an electromagnet, one side of the heat dissipation window is fixedly connected with an elastic curtain with the movable plate, and the bottom end of the other side of the heat dissipation window is fixedly provided with a silica gel clamping seat.
Preferably, a box door is hinged to one side of the box body, sealing strips are fixedly mounted on four sides of the inner wall of the box door, an observation window is mounted at the middle upper end of the box door in an embedded mode, a dry powder extinguishing agent is fixedly mounted at the lower end of the inner wall of the box door, an air cylinder is fixedly mounted at the bottom end of the inner wall of the box door, and the movable end of the air cylinder coincides with the central line of the.
Preferably, the top end of the M-shaped frame is fixedly provided with a folded plate, the bottom end of the M-shaped frame is fixedly provided with a supporting platform, the top end of the supporting platform is fixedly connected with the two lifting frames, and the cross section of the supporting platform is in a right trapezoid shape.
Preferably, the inside one end fixed mounting of saddle has positive and negative motor, and positive and negative motor output has a plurality of lines wheels through pivot fixed mounting, the inside opposite side fixed mounting of saddle has spacing roller, and saddle both ends inner wall lower extreme fixed mounting has the ultraviolet disinfection lamp, line wheel, ultraviolet disinfection lamp, spacing roller are the V-arrangement and distribute, and fixedly connected with haulage rope between line wheel and the box.
Preferably, the drying screen plates distributed in a length staggered manner are fixedly mounted on the circumferential outer wall of the drying cylinder, the heating sheets distributed in a spiral manner are fixedly mounted on the circumferential outer wall of the drying cylinder, and a plurality of groups of filter sheets are arranged in the drying cylinder.
Preferably, the cross-section of the lifting frame is in a right-angle trapezoid shape, a whistle layer is fixedly mounted on the inner wall of the top end of the lifting frame, gears are fixedly mounted at the upper ends of the two sides of the lifting frame, and an air pressure rod is fixedly mounted on the inner wall of the bottom end of the lifting frame.
Preferably, box top outer wall slope fixed mounting has the guide plate, and fixed mounting has the push rod in the middle of the box one end outer wall and the M shape frame, the push rod is the tilt up form, and push rod top fixed mounting has oval rubber piece.
Preferably, the attachment strap is installed to the fly leaf outer wall inlay, and the attachment strap area is greater than the fly leaf, the fly leaf bottom is irregular wave form, and silica gel cassette top and fly leaf bottom phase-match.
Preferably, the filtering mechanism is internally provided with a dust removal net, an activated carbon layer and a moisture absorption layer from bottom to top in sequence, and the elastic curtain is made of light and thin breathable cloth;
preferably, a U-shaped rod is fixedly mounted on one side of the inner wall of the box door, a third hydraulic column is fixedly mounted on the other side of the inner wall of the box door, brushing cotton is fixedly mounted at the bottom end of the third hydraulic column, and one end of the brushing cotton is sleeved with the U-shaped rod.
The beneficial effects of the invention are as follows:
1. according to the external ammeter box, the filtering mechanism is arranged at the bottom end of the box body, the sealing strips are fixedly arranged on four sides of the inner wall of the box door, the movable plate is rotatably arranged on the heat dissipation window, water vapor is prevented from directly entering the box body, the temperature and humidity sensor detects the temperature and humidity in real time, the number of the opened movable plates and the rotation angle of the movable plates are determined according to the set temperature gradient limit value, the movable plates are popped out and the elastic curtain is pulled open by electrifying the electromagnet, the exhaust fan works to conduct convection and heat exchange on external cold air and internal hot air, the movable plates are reset to be clamped with the silica gel clamping seats by powering off the electromagnet, the possibility that the water vapor outside the box body enters the box body in rainy days is greatly reduced, the drying cylinder is provided with the drying screen plate and the plurality of.
2. According to the external ammeter box, the two ends of the box body are located in the two lifting frames, the wire wheels, the ultraviolet disinfection lamp and the limiting rollers are distributed in a V shape, so that the box body can move in the lifting frames, the gears and the air pressure rods are matched, the box body is stable when moving up and down, and the probability of falling of the box body is reduced due to the arrangement of the M-shaped frame, the positioning column, the push rod and the support platform.
3. According to the external ammeter box, the movable end of the air cylinder is overlapped with the central line of the dry powder extinguishing agent triggering hole, when the smoke sensor detects that smoke is generated in the box body, the air cylinder stretches and retracts to enable the piston rod to trigger the dry powder extinguishing agent, so that the interior of the box body is extinguished, and potential safety hazards are reduced;
4. according to the external ammeter box, the dust removal net, the activated carbon layer and the moisture absorption layer are sequentially arranged in the filtering mechanism from bottom to top, air introduced into the box body is subjected to dust removal and dehumidification, the air entering the box body does not have factors damaging an ammeter, the elastic curtain is made of light and thin breathable cloth, heat extraction and moisture removal are facilitated, and when the elastic curtain is retracted, the heating sheet can dry the elastic curtain at a low temperature;
5. according to the external ammeter box, the area of the butt strap is larger than that of the movable plate, so that the sealing effect of the movable plate is improved, water vapor can not enter the box body when the movable plate is closed, the top end of the silica gel clamping seat is matched with the bottom end of the movable plate in an irregular waveform, and dislocation or deviation when the movable plate and the silica gel clamping seat are clamped is avoided;
6. according to the external ammeter box, the third hydraulic column stretches periodically to drive the brush cotton to move up and down on the surface of the U-shaped rod, so that water vapor and liquid drops on the inner wall of the observation window are adsorbed and cleaned.
Drawings
Fig. 1 is a schematic view of an internal structure of an external electric meter box according to the present invention;
fig. 2 is a schematic diagram of a right-view structure of an external ammeter box according to the present invention;
fig. 3 is an enlarged schematic structural diagram of an external electricity meter box a according to the present invention;
fig. 4 is a schematic structural view of the external electric meter box movable plate bouncing up according to the present invention;
FIG. 5 is a schematic side view of an external ammeter box supporting table according to the present invention;
FIG. 6 is a schematic side view of an external ammeter box drying cylinder according to the present invention;
fig. 7 is a schematic side view of an external electric meter box moving plate according to the present invention;
FIG. 8 is a schematic side view of an M-shaped frame of an external electric meter box according to the present invention;
fig. 9 is a schematic structural diagram of an inner wall of an external electric meter box door according to embodiment 2 of the present invention.
In the figure: 1 folded plate, 2 positioning columns, 3 push rods, 4M-shaped frames, 5 lifting frames, 6 pallets, 7 toothed plates, 8 gears, 9 air pressure rods, 10 traction ropes, 11 boxes, 12 guide plates, 13 whistle layers, 14 box doors, 15 smoke sensors, 16 temperature and humidity sensors, 17 electric meters, 18 wire bundling boxes, 19 sealing strips, 20 observation windows, 21 dry powder extinguishing agents, 22 cylinders, 23 drying cylinders, 24 exhaust fans, 25 filtering mechanisms, 26 movable plates, 27 silica gel clamping seats, 28 magnetic stripes, 29 electromagnets, 30 elastic curtains, 31 positive and negative motors, 32 wire wheels, 33 ultraviolet disinfection lamps, 34 limiting rollers, 35 heating sheets, 36 drying screen plates, 37 third hydraulic columns, 38U-shaped rods and 39 cotton brushing.
Detailed Description
Reference will now be made in detail to embodiments of the present patent, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present patent and are not to be construed as limiting the present patent.
In the description of this patent, it is to be understood that the terms "center," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientations and positional relationships indicated in the drawings for the convenience of describing the patent and for the simplicity of description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and are not to be considered limiting of the patent.
In the description of this patent, it is noted that unless otherwise specifically stated or limited, the terms "mounted," "connected," and "disposed" are to be construed broadly and can include, for example, fixedly connected, disposed, detachably connected, disposed, or integrally connected and disposed. The specific meaning of the above terms in this patent may be understood by those of ordinary skill in the art as appropriate.
Example 1
Referring to fig. 1-8, an external ammeter box comprises an M-shaped frame 4, a plurality of positioning columns 2 are inserted at two ends of the M-shaped frame 4, a lifting frame 5 is fixedly mounted at one end of each of two groups of the plurality of positioning columns 2, a box body 11 is arranged in the lifting frame 5, toothed plates 7 are fixedly mounted on the outer walls of two sides of the box body 11, drying cylinders 23 are fixedly mounted on two sides of the inner wall of the top end and the bottom end of the box body 11, a filtering mechanism 25 is embedded at the bottom end of the box body 11, an exhaust fan 24 is fixedly mounted at the lower end of the inner wall of the box body 11 through a support, a temperature and humidity sensor 16 is fixedly mounted in the middle of the inner wall of the top end of the box body 11, a plurality of smoke sensors 15 are fixedly mounted on the inner wall of one end of the box body 11, an ammeter 17 is, the lower end of the inner wall of the movable plate 26 is embedded with a magnetic strip 28, the lower end of one side of the heat dissipation window is fixedly provided with an electromagnet 29, one side of the heat dissipation window is fixedly connected with an elastic curtain 30 with the movable plate 26, and the bottom end of the other side of the heat dissipation window is fixedly provided with a silica gel clamping seat 27.
According to the invention, a box door 14 is hinged to one side of a box body 11, sealing strips 19 are fixedly mounted on four sides of the inner wall of the box door 14, so that water vapor is prevented from entering from the joint of the box body 11 and the box door 14, an observation window 20 is mounted at the upper end of the box door 14 in an embedded mode, the internal condition of the box body 1 can be directly observed conveniently, a dry powder extinguishing agent 21 is fixedly mounted at the lower end of the inner wall of the box door 14, an air cylinder 22 is fixedly mounted at the bottom end of the inner wall of the box door 14, the movable end of the air cylinder 22 is overlapped with the central line of a trigger hole of the dry powder extinguishing agent 21, when a smoke sensor 15 detects that;
the top end of the M-shaped frame 4 is fixedly provided with a folded plate 1 which has the function of dust blocking and flow guiding, the bottom end of the M-shaped frame 4 is fixedly provided with a supporting platform 6, the top end of the supporting platform 6 is fixedly connected with the two lifting frames 5, and the section of the supporting platform 6 is in a right trapezoid shape;
a positive and negative motor 31 is fixedly installed at one end inside the tray table 6, a plurality of wire wheels 32 are fixedly installed at the output end of the positive and negative motor 31 through a rotating shaft, a limiting roller 34 is fixedly installed at the other side inside the tray table 6, ultraviolet disinfection lamps 33 are fixedly installed at the lower ends of the inner walls of the two ends of the tray table 6, the wire wheels 32, the ultraviolet disinfection lamps 33 and the limiting rollers 34 are distributed in a V shape, a traction rope 10 is fixedly connected between the wire wheels 32 and the box body 11, the tray table 6 has the function of supporting the lifting frame 5, the positive and negative motor 31, the wire wheels 32 and the limiting rollers 34 work in a matched mode, the movement of the box body 11 is conveniently and stably adjusted, the ultraviolet disinfection lamps 33 disinfect and;
the outer wall of the circumference of the drying cylinder 23 is fixedly provided with drying screen plates 36 which are distributed in a length staggered manner, the outer wall of the circumference of the drying cylinder 23 is fixedly provided with heating sheets 35 which are distributed spirally, the interior of the box body 11 is dehumidified when the temperature is lower and the humidity is higher, and a plurality of groups of filter sheets are arranged in the drying cylinder 23;
the section of the lifting frame 5 is in a right trapezoid shape, a whistle layer 13 is fixedly arranged on the inner wall of the top end of the lifting frame 5, so that a worker can be reminded that the box body 11 moves to the highest position conveniently, gears 8 are fixedly arranged at the upper ends of the inner parts of the two sides of the lifting frame 5, and a pressure rod 9 is fixedly arranged on the inner wall of the bottom end of the lifting frame 5, so that the box body 11 is effectively buffered when descending;
a guide plate 12 is obliquely and fixedly installed on the outer wall of the top end of the box body 11, has the functions of guiding rainwater, dew, an ash layer and the like, and simultaneously avoids the impact damage of high-altitude falling objects and high-altitude garbage to the box body 11, a push rod 3 is fixedly installed between the outer wall of one end of the box body 11 and the middle of the M-shaped frame 4, the push rod 3 is in an upward inclined shape, an elliptical rubber block is fixedly installed at the top end of the push rod 3, the friction force is increased, and the moving stability of the box;
the butt strap is embedded on the outer wall of the movable plate 26, the area of the butt strap is larger than that of the movable plate 26, the sealing effect of the movable plate 26 is improved, water vapor cannot enter the box body 11 when the movable plate 26 is closed, the bottom end of the movable plate 26 is irregular, and the top end of the silica gel clamping seat 27 is matched with the bottom end of the movable plate 26, so that dislocation or deviation when the movable plate 26 and the silica gel clamping seat 27 are clamped is avoided;
the filtering mechanism 25 is internally provided with a dust removing net, an activated carbon layer and a moisture absorption layer from bottom to top in sequence, and the elastic curtain 30 is made of light and thin breathable cloth.
The working principle is as follows: the bottom end of the box body 11 is provided with the filtering mechanism 25, the four sides of the inner wall of the box door 14 are fixedly provided with the sealing strips 19, and the movable plates 26 are rotatably arranged on the heat dissipation windows, so that the water vapor is prevented from directly entering the box body 11, the temperature and humidity sensor 16 detects the water vapor in real time, the number of the opened movable plates 26 and the rotation angle of the movable plates 26 are determined according to the set temperature gradient limit value, the electromagnet 29 is electrified to make the movable plates 26 pop out and the elastic curtain 30 is pulled open, the exhaust fan 24 works to carry out convection and heat exchange on the external cold air and the internal hot air, the electromagnet 29 is powered off to make the movable plates 26 return to be clamped with the silica gel clamping seat 27, the possibility that the external water vapor enters the box body 11 in rainy days in cloudy days is greatly reduced, the drying cylinder 23 is provided with a drying screen plate 36 and a plurality of groups of filter sheets to keep the inside of the box body 11 dry, and the heating sheets 35 dehumidify the inside of the box body 11 when the temperature is low and the humidity is high;
through the fact that the two ends of the box body 11 are located inside the two lifting frames 5, the box body 11 can move inside the lifting frames 5 due to the fact that the wire wheels 32, the ultraviolet disinfection lamps 33 and the limiting rollers 34 are distributed in a V shape, the gear 8 and the air pressure rod 9 are matched, the box body 11 is stable when moving up and down, and the M-shaped frame 4, the positioning columns 2, the push rods 3 and the support table 6 are arranged to reduce the probability of falling of the box body 11;
by coincidence of the movable end of the cylinder 22 and the central line of the trigger hole of the dry powder extinguishing agent 21, when the smoke sensor 15 detects that smoke is generated in the box body 11, the cylinder 22 stretches and retracts to enable the piston rod to trigger the dry powder extinguishing agent 21, so that the interior of the box body 11 is extinguished, and potential safety hazards are reduced;
the filtering mechanism 25 is internally provided with a dust removal net, an activated carbon layer and a moisture absorption layer in sequence from bottom to top, so that air introduced into the box body 11 is subjected to dust removal and dehumidification, the air entering the box body 11 does not have a factor for damaging the electricity meter 17, the elastic curtain 30 is made of light and thin breathable cloth, heat extraction and moisture removal are facilitated, and when the elastic curtain 30 is retracted, the heating sheet 35 can dry the elastic curtain at a low temperature;
the butt strap area is greater than the fly leaf 26, improves the sealed effect of fly leaf 26, ensures that steam can not get into inside the box 11 when fly leaf 26 is closed, and the bottom phase-match of the irregular wave form of fly leaf 26 is taken turns to in the top of silica gel cassette 27, dislocation or skew when avoiding fly leaf 26 and silica gel cassette 27 joint.
Example 2
Referring to fig. 9, an external ammeter case, further, there is a U-shaped rod 38 fixed to one side of the inner wall of the box door 14, and a third hydraulic column 37 fixed to the other side of the inner wall of the box door 14, and a brush cotton 39 is fixed to the bottom end of the third hydraulic column 37, and one end of the brush cotton 39 is sleeved with the U-shaped rod 38.
The working principle is as follows: the third hydraulic column 37 is stretched periodically to drive the brush cotton 39 to move up and down on the surface of the U-shaped rod 38, so that water vapor and liquid drops on the inner wall of the observation window 20 are adsorbed and cleaned.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.

Claims (10)

1. The utility model provides an external ammeter case, includes M shape frame (4), M shape frame (4) both ends are pegged graft and are had a plurality of reference column (2), and the equal fixed mounting in two sets of a plurality of reference column (2) one end has a drop frame (5), and drop frame (5) inside is provided with box (11), its characterized in that, box (11) both sides outer wall fixed mounting has pinion rack (7), box (11) top and bottom inner wall both sides fixed mounting have a drying section of thick bamboo (23), box (11) bottom is inlayed and is installed filter mechanism (25), box (11) inner wall lower extreme has air exhauster (24) through support fixed mounting, fixed mounting has temperature and humidity sensor (16) in the middle of box (11) top inner wall, box (11) both sides inner wall fixed mounting has a plurality of smoke transducer (15), box (11) one end inner wall fixed mounting has a plurality of bunch, and bunch box (18) outside fixed mounting has ammeter (17), a plurality of heat dissipation windows have been seted up to box (11) both sides, and the inside rotation of heat dissipation window installs a plurality of fly leaves (26), magnetic stripe (28) are installed to fly leaf (26) inner wall lower extreme inlaying, and heat dissipation window one side lower extreme fixed mounting has electro-magnet (29), heat dissipation window one side and fly leaf (26) fixedly connected with elasticity curtain (30), and heat dissipation window opposite side bottom fixed mounting has silica gel cassette (27).
2. The external ammeter box as set forth in claim 1, wherein a box door (14) is hinged to one side of the box body (11), sealing strips (19) are fixedly mounted on four sides of the inner wall of the box door (14), an observation window (20) is mounted at the middle upper end of the box door (14) in an embedded manner, a dry powder extinguishing agent (21) is fixedly mounted at the lower end of the inner wall of the box door (14), an air cylinder (22) is fixedly mounted at the bottom end of the inner wall of the box door (14), and the movable end of the air cylinder (22) coincides with the center line of the triggering hole of the dry.
3. The external ammeter box as set forth in claim 1, wherein the top end of the M-shaped frame (4) is fixedly provided with the folded plate (1), the bottom end of the M-shaped frame (4) is fixedly provided with the pallet (6), the top end of the pallet (6) is fixedly connected with the two lifting frames (5), and the cross section of the pallet (6) is in a right trapezoid shape.
4. The external ammeter box as set forth in claim 3, wherein a positive and negative motor (31) is fixedly installed at one end inside the tray table (6), a plurality of wire wheels (32) are fixedly installed at the output end of the positive and negative motor (31) through a rotating shaft, a limiting roller (34) is fixedly installed at the other side inside the tray table (6), an ultraviolet disinfection lamp (33) is fixedly installed at the lower end of the inner wall of the two ends of the tray table (6), the wire wheels (32), the ultraviolet disinfection lamp (33) and the limiting roller (34) are distributed in a V shape, and a traction rope (10) is fixedly connected between the wire wheels (32) and the box body (11).
5. The external ammeter box as set forth in claim 1, wherein the outer circumferential wall of the drying cylinder (23) is fixedly provided with drying screens (36) with staggered lengths, the outer circumferential wall of the drying cylinder (23) is fixedly provided with heating sheets (35) distributed spirally, and a plurality of groups of filter sheets are arranged inside the drying cylinder (23).
6. The external ammeter box as in claim 1, wherein the cross-section of the elevating frame (5) is in a right trapezoid shape, a whistle layer (13) is fixedly installed on the inner wall of the top end of the elevating frame (5), gears (8) are fixedly installed on the upper ends of the inner portions of the two sides of the elevating frame (5), and a pneumatic rod (9) is fixedly installed on the inner wall of the bottom end of the elevating frame (5).
7. The external ammeter box as claimed in claim 1, wherein the outer wall of the top end of the box body (11) is fixedly provided with a guide plate (12) in an inclined manner, a push rod (3) is fixedly arranged between the outer wall of one end of the box body (11) and the middle of the M-shaped frame (4), the push rod (3) is in an upward inclined manner, and an elliptical rubber block is fixedly arranged at the top end of the push rod (3).
8. The external ammeter box as set forth in claim 1, wherein the external wall of the movable plate (26) is embedded with an attachment strap, the area of the attachment strap is larger than that of the movable plate (26), the bottom end of the movable plate (26) is irregular, and the top end of the silica gel clamping seat (27) is matched with the bottom end of the movable plate (26).
9. The external ammeter box as set forth in claim 1, wherein the filtering mechanism (25) is provided with a dust removing net, an activated carbon layer, and a moisture absorbing layer in sequence from bottom to top, and the elastic curtain (30) is made of a light and thin breathable fabric.
10. The external ammeter box as claimed in claim 2, wherein a U-shaped rod (38) is fixedly mounted on one side of the inner wall of the box door (14), a third hydraulic column (37) is fixedly mounted on the other side of the inner wall of the box door (14), brush cotton (39) is fixedly mounted at the bottom end of the third hydraulic column (37), and one end of the brush cotton (39) is sleeved with the U-shaped rod (38).
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CN115308460A (en) * 2022-07-11 2022-11-08 国网山东省电力公司营销服务中心(计量中心) Intelligent household electric meter and working method thereof

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