CN112684226A

CN112684226A - Smart electric meter with dampproofing structure

Info

Publication number: CN112684226A
Application number: CN202110091103.3A
Authority: CN
Inventors: 姜建
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-01-22
Filing date: 2021-01-22
Publication date: 2021-04-20

Abstract

The invention relates to the field of electric meters, in particular to an intelligent electric meter with a moisture-proof structure, which comprises a base, wherein the upper end of the base is fixedly connected with a placing mechanism, the outer parts of two sides of the placing mechanism, which are close to the upper end, are fixedly connected with a ventilation mechanism, one side of the bottom end inside the placing mechanism is fixedly connected with a driving mechanism, a driving motor and a conical gear are arranged to conveniently drive a first gear and a first fan blade to rotate, moisture at the bottom end of an electric meter shell is discharged to the upper end of the electric meter shell, a bottom end circuit is prevented from being damped, a transmission rod, a third conical gear and a cleaning plate are simultaneously driven to rotate, a rotating rod and a fan blade are driven to rotate through a fourth conical gear, the moisture inside the electric meter shell is quickly discharged, a sealing plate is conveniently driven to rotate through a first bearing and the ventilation rod, so, First screw hole and first bolt are convenient carry on spacingly to the closing plate, increase the stability of ventilation.

Description

Smart electric meter with dampproofing structure

Technical Field

The invention relates to the field of electric meters, in particular to an intelligent electric meter with a moisture-proof structure.

Background

The intelligent electric meter is one of basic devices for data acquisition of an intelligent power grid (particularly an intelligent power distribution network), bears the tasks of original electric energy data acquisition, metering and transmission, is the basis for realizing information integration, analysis optimization and information display, and has intelligent functions of bidirectional multi-rate metering, user side control, bidirectional data communication of multiple data transmission modes, electricity larceny prevention and the like besides the metering function of the basic electricity consumption of the traditional electric meter.

Although present smart electric meter is intelligent higher in each aspect, but present smart electric meter is often relatively poor in moisture resistance, in case meet sleet weather, the air will become moist, lead to in the air can get into smart electric meter, if not in time remove the inside part of smart electric meter with the damage of tide, reduce smart electric meter's life, present smart electric meter outside all has the one deck transparent film simultaneously, but present transparent film is often relatively poor in robustness, simultaneously poor with the ammeter junction leakproofness, lead to the rainwater can follow in the gap flows smart electric meter.

Disclosure of Invention

Aiming at the problems in the prior art, the invention provides a smart electric meter with a moisture-proof structure.

The technical scheme adopted by the invention for solving the technical problems is as follows: an intelligent ammeter with a moisture-proof structure comprises a base, wherein a placing mechanism is fixedly connected to the upper end of the base, a ventilation mechanism is fixedly connected to the outer portions of two sides, close to the upper end, of the placing mechanism, a driving mechanism is fixedly connected to one side of the bottom end inside the placing mechanism, a first dehumidification mechanism is fixedly connected to the lower surface of the middle portion, close to the lower end, of the placing mechanism, the bottom end inside the placing mechanism, located on two sides of the first dehumidification mechanism, is fixedly connected with a transmission cleaning mechanism, a second dehumidification mechanism is fixedly connected to the inner side wall, close to the upper end, of the placing mechanism, an opening and closing mechanism is fixedly connected to the outer portion of the placing mechanism, and an installation mechanism is arranged on two sides; the placing mechanism comprises an electricity meter shell with one side being an opening shape, the electricity meter shell is fixedly connected to the upper surface of the base, a first thread groove is formed in the outer side wall, close to the lower end position, of the electricity meter shell, a placing plate is fixedly connected to the inner side walls of the two sides, close to the lower end position, of the electricity meter shell, the placing plate penetrates through the placing plate and is provided with a plurality of air holes, and two placing holes which are symmetrically formed in the placing plate and located on one side, opposite to the plurality of air holes, of the placing plate penetrate.

Specifically, the ventilation mechanism comprises two ventilation openings, the two ventilation openings are symmetrically arranged and penetrate through side walls which are arranged at two sides of the electric meter shell and are close to the upper end, a ventilation groove is formed in the side wall of the electric meter shell which is positioned at the upper end of each ventilation opening and is opposite to the upper end, a first bearing is fixedly connected to the bottom of each ventilation groove, a ventilation rod is fixedly sleeved in each first bearing, one opposite side of each ventilation rod extends out of each ventilation groove and is fixedly connected with a sealing plate, the two sealing plates are larger than the two ventilation openings and are both attached to the outer side wall of the meter shell, a first threaded hole is formed in the positions, close to the upper end, of the two sealing plates in a penetrating mode, a second threaded groove is formed in the corresponding positions of the two first threaded holes and the two sides of the meter shell, and two first bolts are in common threaded connection with the two first threaded holes and the two second threaded grooves.

Specifically, actuating mechanism includes a drive plate, drive plate fixed connection is in the inside bottom one side of ammeter case, just one of them one side fixedly connected with driving motor of drive plate, a driving lever of driving motor output fixedly connected with, one side fixedly connected with a first bevel gear that driving motor was kept away from to the driving lever.

Specifically, first dehumidification mechanism includes a second bearing, second bearing fixed connection is in placing board lower surface center department, the fixed cover of second bearing lower extreme has connect a bull stick, the bull stick is close to the pole wall fixed mounting of upper end position has a first flabellum, is located the pole wall of first flabellum lower extreme position is fixed and has been cup jointed a first gear, bull stick bottom pole wall fixedly connected with a second bevel gear, just second bevel gear meshing is connected on first bevel gear.

Specifically, the transmission cleans the mechanism and includes two third bearings, two third bearing fixed connection places the corresponding position in hole in ammeter case bottom and two, and two equal fixedly connected with transfer line in third bearing upper end, two the corresponding position of transfer line and first gear is all fixed and has cup jointed a second gear, two the meshing of second gear is connected in first gear both sides, and two the transfer line upper end is passed two and is placed the hole and extend to placing the board upper end, two the pole wall of transfer line and two corresponding positions of vent is all fixed and has been cup jointed a third bevel gear, two equal fixedly connected with of transfer line top pole wall cleans the board, two equal fixedly connected with of the board upper end cleans a plurality of soft wools, and a plurality of soft wools and the inner counterbalance of ammeter case top.

Specifically, second dehumidification mechanism includes two L shaped plates, two the L shaped plate is the symmetry and sets up fixed connection at the ammeter shell inside wall that is located two vent lower extreme positions, and two the L shaped plate is close to the upper end position and all runs through and has seted up a mounting hole, two the inside all fixed fourth bearing, two of having cup jointed of mounting hole all fixed a dwang, two of having cup jointed in the fourth bearing all fixed a fourth bevel gear, two of having cup jointed in the relative one side of dwang fourth bevel gear meshing is connected on two third bevel gears, and two a second flabellum, and two of having cup jointed in the dwang is fixed in a curb rod wall in opposite directions the second flabellum and two corresponding settings of vent.

Specifically, the opening and closing mechanism comprises two fixing plates which are symmetrically arranged and fixedly connected with the outer side walls on two sides of the electric meter shell near the upper end, and one opposite side of the two fixing plates is fixedly connected with a fifth bearing, one opposite side of the two fifth bearings is fixedly connected with a short rod, one opposite side of the two short rods is fixedly connected with a sealing cover together, the sealing cover is movably buckled outside the ammeter shell, a plurality of transparent windows are fixedly arranged at the upper end of the sealing cover and at the corresponding positions of the digital ammeter, a layer of sealing gasket is fixedly connected at the inner edge of the sealing cover, and two reinforcing rods are fixedly connected to two ends inside the sealing cover, a second threaded hole is formed in the position, corresponding to the first threaded groove, of the lower end of the sealing cover in a penetrating mode, and a second bolt is connected to the second threaded hole and the first threaded groove through common threads.

Specifically, installation mechanism includes two third screw holes, two the third screw hole is the symmetry and sets up and run through and set up in base lower surface both sides, and two equal threaded connection in the third screw hole has a third bolt.

The invention has the beneficial effects that:

(1) according to the intelligent ammeter with the moisture-proof structure, the driving motor and the first bevel gear are arranged to conveniently drive the first gear and the first fan blade to rotate under the action of the second bevel gear and the second bearing, so that moisture at the bottom end of the ammeter shell can be discharged to the upper end of the ammeter shell, a bottom end circuit is prevented from being wetted, the driving rod, the third bevel gear and the cleaning plate are conveniently driven to rotate through the second gear and the third bearing, the rotating rod and the fan blade are driven to rotate through the fourth bevel gear, moisture in the ammeter shell can be conveniently and quickly discharged, and dust can be removed.

(2) According to the intelligent ammeter with the moisture-proof structure, the first bearing and the ventilation rod are arranged to conveniently drive the sealing plate to rotate, so that the ventilation opening is opened, the ventilation effect is convenient to increase, the sealing plate is convenient to limit through the second threaded groove, the first threaded hole and the first bolt, and the ventilation stability is increased.

(3) According to the intelligent ammeter with the moisture-proof structure, the fourth bearing and the short rod are arranged to conveniently and quickly open the sealing cover, so that the ammeter is convenient to overhaul, the stability of the sealing cover is conveniently improved through the two reinforcing rods, and the moisture-proof performance of the sealing cover is conveniently improved through the sealing gasket.

Drawings

The invention is further illustrated with reference to the following figures and examples.

Fig. 1 is a schematic sectional front view of a smart meter with a moisture-proof structure according to the present invention;

fig. 2 is an enlarged schematic structural diagram of a portion a in fig. 1 of an intelligent ammeter with a moisture-proof structure according to the present invention;

fig. 3 is an enlarged schematic structural diagram of a part B in fig. 1 of the intelligent ammeter with a moisture-proof structure provided by the invention;

fig. 4 is an enlarged schematic structural diagram of part C in fig. 1 of an intelligent ammeter with a moisture-proof structure according to the present invention;

FIG. 5 is a front view of a smart meter having a moisture barrier structure in accordance with the present invention;

FIG. 6 is a schematic diagram of the internal structure of a sealing cover of a smart meter with a moisture-proof structure according to the present invention;

FIG. 7 is a side elevational view of a smart meter having a moisture barrier structure in accordance with the present invention;

fig. 8 is a schematic sectional view of the intelligent ammeter with a moisture-proof structure in fig. 1 along the direction D-D according to the present invention.

In the figure: 1. a base; 2. a placement mechanism; 21. a meter case; 22. a first thread groove; 23. placing the plate; 24. air holes; 25. placing holes; 3. a ventilation mechanism; 31. a vent; 32. a ventilation slot; 33. a first bearing; 34. a ventilation bar; 35. a sealing plate; 36. a first threaded hole; 37. a second thread groove; 38. a first bolt; 4. a drive mechanism; 41. a drive plate; 42. a drive motor; 43. a drive rod; 44. a first bevel gear; 5. a first dehumidification mechanism; 51. a second bearing; 52. a rotating rod; 53. a first fan blade; 54. a first gear; 55. a second bevel gear; 6. a transmission cleaning mechanism; 61. a third bearing; 62. a transmission rod; 63. a second gear; 64. a third bevel gear; 65. cleaning the board; 66. softening the wool; 7. A second dehumidification mechanism; 71. an L-shaped plate; 72. mounting holes; 73. a fourth bearing; 74. rotating the rod; 75. a fourth bevel gear; 76. a second fan blade; 8. An opening and closing mechanism; 81. a fixing plate; 82. a fifth bearing; 83. a short bar; 84. a sealing cover; 85. a transparent window; 86. a gasket; 87. a reinforcing bar; 88. a second threaded hole; 89. a second bolt; 9. An installation mechanism; 91. a third threaded hole; 92. and a third bolt.

Detailed Description

In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further described with the specific embodiments.

As shown in fig. 1-8, the smart meter with a moisture-proof structure of the present invention comprises a base 1, wherein the upper end of the base 1 is fixedly connected with a placement mechanism 2, the outer portions of the two sides of the placement mechanism 2 near the upper end are fixedly connected with a ventilation mechanism 3, one side of the inner bottom end of the placement mechanism 2 is fixedly connected with a driving mechanism 4, the lower surface of the middle portion of the placement mechanism 2 near the lower end is fixedly connected with a first dehumidification mechanism 5, the inner bottom end of the placement mechanism 2 at the two sides of the first dehumidification mechanism 5 is fixedly connected with a transmission cleaning mechanism 6, the inner side wall of the placement mechanism 2 near the upper end is fixedly connected with a second dehumidification mechanism 7, the outer portion of the placement mechanism 2 is fixedly connected with an opening and closing mechanism 8, and the two sides of the base 1 near the lower; place mechanism 2 and include that one side is the ammeter case 21 that the opening form set up, ammeter case 21 fixed connection is on base 1 upper surface, ammeter case 21 is close to the lateral wall of lower extreme position and has seted up a first thread groove 22, ammeter case 21 is close to the common fixedly connected with one of the both sides inside wall of lower extreme position and places board 23, and place board 23 and run through and seted up a plurality of gas pocket 24, it runs through and sets up two holes 25 of placing that are the symmetry and set up to be located the board 23 of placing of the relative one side of a plurality of gas pocket 24, be favorable to making things convenient for threaded connection third bolt 92 through two first thread grooves 22, through placing board 23 easy to assemble ammeter device, conveniently arrange ammeter case 21 bottom moisture to ammeter case 21 upper end through a plurality of gas pocket 24, it conveniently drives two transfer lines 62 and rotates to.

Specifically, the ventilation mechanism 3 includes two ventilation openings 31, the two ventilation openings 31 are symmetrically arranged and penetrate through the side walls near the upper end positions on the two sides of the electric meter shell 21, the side wall on the opposite side of the electric meter shell 21 on the upper end of the two ventilation openings 31 is respectively provided with a ventilation groove 32, the bottoms of the two ventilation grooves 32 are respectively fixedly connected with a first bearing 33, a ventilation rod 34 is fixedly sleeved in the two first bearings 33, the opposite side of the two ventilation rods 34 extends to the outside of the two ventilation grooves 32 and is respectively fixedly connected with a sealing plate 35, the two sealing plates 35 are larger than the two ventilation openings 31 and are respectively attached to the outer side wall of the electric meter shell 21, the positions of the two sealing plates 35 near the upper end are respectively provided with a first threaded hole 36, the two first threaded holes 36 and the positions corresponding to the two sides of the electric meter shell 21 are respectively provided with a second threaded groove 37, and the two first threaded holes 36 and the two second, the two sealing plates 35 can be conveniently driven to rotate by the two first bearings 33 and the two ventilation rods 34, so that the two ventilation openings 31 can be opened to facilitate dehumidification, and the two sealing plates 35 can be stably limited by the two first threaded holes 36, the two second threaded grooves 37 and the first bolt 38.

Specifically, actuating mechanism 4 includes a drive plate 41, drive plate 41 fixed connection is in the inside bottom one side of ammeter case 21, and drive plate 41 wherein one side fixedly connected with driving motor 42, driving motor 42 output end fixedly connected with a actuating lever 43, a first bevel gear 44 of one side fixedly connected with that driving motor 42 was kept away from to actuating lever 43 is favorable to conveniently driving first bevel gear 44 through driving motor 42 and rotating under the effect of actuating lever 43 to conveniently drive first dehumidification mechanism 5.

Specifically, the first dehumidifying mechanism 5 comprises a second bearing 51, the second bearing 51 is fixedly connected to the center of the lower surface of the placing plate 23, a rotating rod 52 is fixedly sleeved at the lower end of the second bearing 51, a first fan blade 53 is fixedly installed on the rod wall of the rotating rod 52 near the upper end, a first gear 54 is fixedly sleeved on the rod wall of the lower end of the first fan blade 53, a second bevel gear 55 is fixedly connected to the rod wall at the bottom end of the rotating rod 52, and the second bevel gear 55 is meshed with the first bevel gear 44, so that the second bevel gear 55 is driven by the meshing of the first bevel gear 44, thereby driving the rotating rod 52 and the first fan blade 53 to rotate under the action of the second bearing 51, facilitating the moisture at the lower end of the electric meter shell 21 to rise to the upper end of the electric meter shell 21 through the plurality of air holes 24, and facilitating the driving of the transmission cleaning mechanism 6 through the first gear 54.

Specifically, the transmission cleaning mechanism 6 includes two third bearings 61, the two third bearings 61 are fixedly connected to the bottom end of the ammeter case 21 and the positions corresponding to the two placing holes 25, the upper ends of the two third bearings 61 are both fixedly connected with a transmission rod 62, the positions corresponding to the two transmission rods 62 and the first gear 54 are both fixedly sleeved with a second gear 63, the two second gears 63 are meshed and connected to the two sides of the first gear 54, the upper ends of the two transmission rods 62 penetrate through the two placing holes 25 and extend to the upper end of the placing plate 23, the rod walls of the two transmission rods 62 and the positions corresponding to the two ventilation openings 31 are both fixedly sleeved with a third bevel gear 64, the rod walls at the top ends of the two transmission rods 62 are both fixedly connected with a cleaning plate 65, the upper ends of the two cleaning plates 65 are both fixedly connected with a plurality of burrs 66, and the plurality of burrs 66 are abutted against the inner end of the top of the ammeter case 21, which is beneficial for driving the two second gears, can drive two transfer lines 62 and rotate, be convenient for drive third bevel gear 64 and rotate and drive second dehumidification mechanism 7, drive two simultaneously and clean board 65 and rotate, be convenient for clean the inside of ammeter case 21 top through a plurality of fluff 66.

Specifically, the second dehumidifying mechanism 7 includes two L-shaped plates 71, the two L-shaped plates 71 are symmetrically disposed and fixedly connected to the inner side wall of the electric meter case 21 at the lower end position of the two ventilation openings 31, and the two L-shaped plates 71 are both penetrated and provided with a mounting hole 72 near the upper end position, a fourth bearing 73 is fixedly sleeved inside the two mounting holes 72, a rotating rod 74 is fixedly sleeved inside the two fourth bearings 73, a fourth bevel gear 75 is fixedly sleeved on the opposite side of the two rotating rods 74, the two fourth bevel gears 75 are engaged and connected to the two third bevel gears 64, a second fan blade 76 is fixedly sleeved on the opposite side rod wall of the two rotating rods 74, and the two second fan blades 76 and the two ventilation openings 31 are correspondingly disposed, which is beneficial to conveniently driving the two rotating rods 74 to rotate through the two fourth bevel gears 75, thereby driving the two second fan blades 76 to rotate, facilitating the evacuation of moisture inside meter case 21.

Specifically, the opening and closing mechanism 8 comprises two fixing plates 81, the two fixing plates 81 are symmetrically arranged and fixedly connected to the outer side walls of two sides of the electricity meter case 21 close to the upper end, one opposite side of the two fixing plates 81 is fixedly connected with a fifth bearing 82, one opposite side of the two fifth bearings 82 is fixedly connected with a short rod 83, one opposite side of the two short rods 83 is fixedly connected with a sealing cover 84 together, the sealing cover 84 is movably buckled outside the electricity meter case 21, the upper end of the sealing cover 84 is fixedly provided with a plurality of transparent windows 85 corresponding to the digital meters, the inner edge of the sealing cover 84 is fixedly connected with a layer of sealing gasket 86, two ends of the inner part of the sealing cover 84 are fixedly connected with two reinforcing rods 87, the lower end of the sealing cover 84 penetrates through a second threaded hole 88 corresponding to the first threaded groove 22, and the second threaded hole 88 and the first threaded groove 22 are in threaded connection with a second bolt 89, the sealing cover 84 is limited conveniently through the second threaded hole 88, the first threaded groove 22 and the second bolt 89, the sealing cover 84 is opened through the two fifth bearings 82 and the short rod 83 in a rotating mode, the maintenance is convenient, the electricity consumption of the electric meter is conveniently watched through the transparent windows 85, and the moisture resistance of the electric meter shell 21 and the sealing cover 84 during debt is increased conveniently through the sealing gasket 86.

Specifically, installation mechanism 9 includes two third screw holes 91, and two third screw holes 91 are the symmetry and set up and run through and set up in base 1 lower surface both sides, and two inside equal threaded connection of third screw hole 91 has a third bolt 92, is favorable to conveniently quick with base 1 fixed mounting through two third screw holes 91 and two third bolts 92.

In use, the two third bolts 92 are turned to quickly fix the base 1 at a designated position through the two third threaded holes 91, then the sealing cover 84 is pulled, the sealing cover 84 can be quickly turned and opened through the turning action of the fifth bearing 82 and the short rod 83, then the parts are installed on the placing plate 23 inside the electric meter case 21, after the installation is received, the sealing cover 84 is buckled on the electric meter case 21 through the turning action of the fifth bearing 82 and the short rod 83 again, at the moment, the sealing gasket 86 can increase the sealing performance between the electric meter case 21 and the sealing cover 84, when moisture exists inside the electric meter case 21, the two first bolts 38 are firstly screwed out from the two first threaded holes 36 and the two second threaded grooves 37, then the two sealing plates 35 are pushed, the two sealing plates 35 are turned through the turning action of the two vent rods 34 and the two first bearings 33, and after the sealing plates 35 are separated from the two vent holes 31, the two first bolts 38 are threaded through the two first threaded holes 36 and fastened in the two second threaded grooves 37 again, at this time, the driving motor 42 is started, the output end of the driving motor 42 drives the driving rod 43 to rotate, the driving rod 43 drives the first bevel gear 44 to rotate, the first bevel gear 44 is meshed to drive the second bevel gear 55 to rotate, the second bevel gear 55 drives the rotating rod 52 to rotate through the second bearing 51, the rotating rod 52 synchronously drives the first fan blade 53 and the first gear 54 to rotate, the first fan blade 53 drives the moisture at the bottom end of the electric meter shell 21 to pass through the plurality of air holes 24 on the placing plate 23 and reach the upper end of the electric meter shell 21, at this time, the first gear 54 is meshed to drive the two second gears 63, the two second gears 63 stably drive the two transmission rods 62 to rotate through the two third bearings 61 and the two placing holes 25, the two transmission rods 62 drive the two third bevel gears 64 and the two cleaning plates 65, two cleaning plates 65 clean dust in the top end of the ammeter case 21 through a plurality of soft bristles 66, meanwhile, two third bevel gears 64 are meshed to drive two fourth bevel gears 75 to rotate, the two fourth bevel gears 75 conveniently drive two rotating rods 74 to rotate through two fourth bearings 73 and two mounting holes 72, the two rotating rods 74 can drive two second fan blades 76 to rotate, the two second fan blades 76 can quickly discharge moisture in the ammeter case 21 through the ventilation opening 31, after the moisture is discharged, the sealing plate 35 is reset through the first bearings 33 and the two ventilation rods 34, and then the sealing plate 35 is stably limited through the two first threaded holes 36, the second threaded grooves 37 and the two first bolts 38, so that the dust-collecting dust-.

The invention has the beneficial effects that:

The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and the embodiments and descriptions given above are only illustrative of the principles of the present invention, and various changes and modifications may be made without departing from the spirit and scope of the invention, which fall within the scope of the claims. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a smart electric meter with dampproofing structure which characterized in that: comprises a base (1), the upper end of the base (1) is fixedly connected with a placing mechanism (2), the outer parts of two sides of the placing mechanism (2) close to the upper end are fixedly connected with a ventilation mechanism (3), one side of the bottom end inside the placing mechanism (2) is fixedly connected with a driving mechanism (4), the lower surface of the middle part of the placing mechanism (2) close to the lower end is fixedly connected with a first dehumidifying mechanism (5), the bottom ends in the placing mechanism (2) at the two sides of the first dehumidifying mechanism (5) are fixedly connected with a transmission cleaning mechanism (6), the inner side wall of the placing mechanism (2) close to the upper end is fixedly connected with a second dehumidifying mechanism (7), the outside of the placing mechanism (2) is fixedly connected with an opening and closing mechanism (8), two sides of the base (1) close to the lower end position are provided with an installation mechanism (9); place mechanism (2) including one side be ammeter case (21) that the opening form set up, ammeter case (21) fixed connection is in base (1) upper surface, ammeter case (21) are close to the lateral wall of lower extreme position and have seted up one first thread groove (22), common fixedly connected with one of the both sides inside wall that ammeter case (21) are close to the lower extreme position places board (23), just place board (23) and run through and have seted up a plurality of gas pocket (24), lie in placing board (23) of the relative one side of a plurality of gas pocket (24) and run through and set up two and be the hole (25) of placing that the symmetry set up.

2. The smart meter of claim 1, wherein the smart meter further comprises: the ventilation mechanism (3) comprises two ventilation openings (31), the two ventilation openings (31) are symmetrically arranged and penetrate through side walls which are arranged at two sides of an ammeter shell (21) and are close to the upper end, a ventilation groove (32) is formed in the side wall of the ammeter shell (21) at the upper end of each ventilation opening (31), a first bearing (33) is fixedly connected to the bottom of each ventilation groove (32), a ventilation rod (34) is fixedly sleeved in each first bearing (33), one side, opposite to each ventilation rod (34), extends out of each ventilation groove (32) and is fixedly connected with a sealing plate (35), the two sealing plates (35) are larger than the two ventilation openings (31) and are attached to the outer side wall of the ammeter shell (21), and a first threaded hole (36) is formed in the position, close to the upper end, of each sealing plate (35), two corresponding positions of two sides of the first threaded hole (36) and the ammeter shell (21) are provided with a second threaded groove (37), and two first threaded holes (36) and two second threaded grooves (37) are in common threaded connection with two first bolts (38).

3. The smart meter of claim 1, wherein the smart meter further comprises: the driving mechanism (4) comprises a driving plate (41), the driving plate (41) is fixedly connected to one side of the inner bottom end of the ammeter shell (21), a driving motor (42) is fixedly connected to one side of the driving plate (41), a driving rod (43) is fixedly connected to the output end of the driving motor (42), and a first bevel gear (44) is fixedly connected to one side, far away from the driving motor (42), of the driving rod (43).

4. The smart meter of claim 1, wherein the smart meter further comprises: first dehumidification mechanism (5) include a second bearing (51), second bearing (51) fixed connection is in placing board (23) lower surface center department, the fixed cover of second bearing (51) lower extreme has a bull stick (52), bull stick (52) are close to the pole wall fixed mounting of upper end position has a first flabellum (53), are located the pole wall fixed cup joint of first flabellum (53) lower extreme position has a first gear (54), bull stick (52) bottom pole wall fixedly connected with a second bevel gear (55), just second bevel gear (55) meshing connection is on first bevel gear (44).

5. The smart meter of claim 1, wherein the smart meter further comprises: the transmission cleaning mechanism (6) comprises two third bearings (61), the two third bearings (61) are fixedly connected to the bottom end of the ammeter shell (21) and the positions corresponding to the two placing holes (25), the upper ends of the two third bearings (61) are fixedly connected with a transmission rod (62), the positions corresponding to the two transmission rods (62) and the first gear (54) are fixedly sleeved with a second gear (63), the two second gears (63) are connected to the two sides of the first gear (54) in a meshed mode, the upper ends of the two transmission rods (62) penetrate through the two placing holes (25) and extend to the upper end of the placing plate (23), the rod walls of the positions corresponding to the two transmission rods (62) and the two ventilation openings (31) are fixedly sleeved with a third conical gear (64), and the rod walls of the top ends of the two transmission rods (62) are fixedly connected with a cleaning plate (65), the upper ends of the two sweeping plates (65) are fixedly connected with a plurality of soft bristles (66), and the soft bristles (66) are abutted against the inner end of the top of the ammeter shell (21).

6. The smart meter of claim 1, wherein the smart meter further comprises: the second dehumidifying mechanism (7) comprises two L-shaped plates (71), the two L-shaped plates (71) are symmetrically arranged and fixedly connected with the inner side walls of the ammeter shell (21) positioned at the lower end positions of the two ventilation openings (31), and two L-shaped plates (71) are provided with a mounting hole (72) near the upper end, two mounting holes (72) are fixedly sleeved with a fourth bearing (73), two rotating rods (74) are fixedly sleeved in the four bearings (73), one side of each rotating rod (74) opposite to the other side is fixedly sleeved with a fourth bevel gear (75), the two fourth bevel gears (75) are meshed and connected with the two third bevel gears (64), and a second fan blade (76) is fixedly sleeved on one side rod wall of the two opposite rotating rods (74), and the two second fan blades (76) and the two ventilation openings (31) are arranged correspondingly.

7. The smart meter of claim 1, wherein the smart meter further comprises: the opening and closing mechanism (8) comprises two fixing plates (81), the two fixing plates (81) are symmetrically arranged and fixedly connected to the outer side walls of two sides of the electricity meter shell (21) close to the upper end, one opposite side of each fixing plate (81) is fixedly connected with a fifth bearing (82), one opposite side of each fifth bearing (82) is fixedly connected with a short rod (83), one opposite side of each short rod (83) is fixedly connected with a sealing cover (84), the sealing covers (84) are movably buckled outside the electricity meter shell (21), the upper ends of the sealing covers (84) and the corresponding positions of the digital meters are fixedly provided with a plurality of transparent windows (85), the inner edge of each sealing cover (84) is fixedly connected with a layer of sealing gasket (86), and two reinforcing rods (87) are fixedly connected to the inner two ends of each sealing cover (84), a second threaded hole (88) penetrates through the lower end of the sealing cover (84) and the position corresponding to the first threaded groove (22), and a second bolt (89) is in threaded connection with the second threaded hole (88) and the first threaded groove (22) together.

8. The smart meter of claim 1, wherein the smart meter further comprises: installation mechanism (9) include two third screw hole (91), two third screw hole (91) are the symmetry and set up and run through and set up in base (1) lower surface both sides, and two third screw hole (91) inside equal threaded connection has a third bolt (92).