CN118226101B

CN118226101B - Single-phase intelligent ammeter

Info

Publication number: CN118226101B
Application number: CN202410634219.0A
Authority: CN
Inventors: 高龙; 高西方
Original assignee: Henan Weihong Intelligent Technology Co ltd; Shenzhen Konasan Electronic Co ltd
Current assignee: Henan Weihong Intelligent Technology Co ltd; Shenzhen Konasan Electronic Co ltd
Priority date: 2024-05-22
Filing date: 2024-05-22
Publication date: 2024-07-30
Anticipated expiration: 2044-05-22
Also published as: CN118226101A

Abstract

The invention discloses a single-phase intelligent electric energy meter, which relates to the technical field of electric energy meters. The advantages are that: through placing a plurality of electric wires in proper order, forward rotation screwdriver drives the drive shaft and rotates after placing, can realize the bulk connection of a plurality of electric wires, and can utilize the time difference between the structure when rotating, carry out the connection of accurate position with the electric wire, improve the connection efficiency of electric wire, reverse rotation drive shaft can realize the loose line work of electric wire, carry out the insulating layer part with the electric wire simultaneously and carry out elastic fixation to it can be rain-proof dustproof, improve the life of electric energy meter.

Description

Single-phase intelligent ammeter

Technical Field

The invention relates to the technical field of electric energy meters, in particular to a single-phase intelligent electric energy meter.

Background

When the traditional ammeter is used, workers are required to meter, errors are easy to cause, meanwhile, the traditional ammeter cannot monitor electric quantity data in real time, so that statistics results lack of accuracy and timeliness and cannot meet the current commercial requirements, and then the industry leads out a single-phase intelligent ammeter to count electric quantity in real time.

The current smart electric meter can carry out real-time supervision to the electric quantity, can provide accurate charging information, but when carrying out the batch installation to the ammeter, need screw up the installation with the electric wire in proper order, lead to work progress slower, simultaneously when installing the electric wire in proper order, can not guarantee that the length of electric wire junction is unanimous to lead to the electric wire exposure of no insulating layer in the air, the security performance remains to improve.

Disclosure of Invention

Aiming at the defects of the prior art, the invention provides a single-phase intelligent electric energy meter, which solves the problem of slower electric energy meter connection process in the background art.

In order to achieve the above purpose, the present invention adopts the following technical scheme:

The utility model provides a single-phase intelligent ammeter, includes the ammeter main part, still includes the centre gripping rising portion, the centre gripping rising portion includes the terminal box of fixed mounting on the ammeter main part, set up flutedly on the terminal box, set up two guide slots that are linked together with the recess on the terminal box, two install the threading structure jointly on the guide slot, set up a plurality of plug wire holes that are linked together with the recess on the terminal box, a plurality of install the clamping structure jointly on the plug wire hole;

the locking part comprises a pushing rack arranged on the threading structure, a lifting structure matched with the pushing rack is arranged between the junction box and the lifting plate, a moving groove is formed in the junction box, and the locking structure is arranged in the moving groove.

Further, the threading structure comprises guide blocks which are respectively and slidably arranged in two guide grooves, a lifting plate is fixedly arranged between the two guide blocks, a rack is pushed to be fixedly arranged on the lifting plate, a plurality of threading holes which are matched with corresponding wire insertion holes are formed in the lifting plate, rubber sealing rings are fixedly arranged in the threading holes, and through holes are formed in the lifting plate.

Further, the clamping structure comprises a plurality of holding grooves formed in the junction box, the holding grooves are communicated with corresponding plug wire holes, round holes are formed in the junction box, pushing grooves are formed in the junction box, the pushing grooves are communicated with the round holes and the grooves, the pushing racks slide in the pushing grooves, and clamping assemblies are mounted between the round holes and the holding grooves.

Further, the clamping assembly comprises a plurality of bidirectional screw rods which are rotatably arranged in the round holes, round rods are fixedly arranged between every two adjacent bidirectional screw rods, a first connecting gear and a driven bevel gear are fixedly arranged on the round rods and meshed with a pushing rack, two fixing blocks are fixedly arranged on each bidirectional screw rod through two ball nuts, a plurality of baffle plates are fixedly arranged on the fixing blocks, the corresponding two baffle plates are arranged in a group and symmetrically, and an elastic mechanism is arranged between the corresponding two baffle plates.

Further, the elastic mechanism comprises an arc groove and a telescopic groove which are respectively arranged on one side, close to the two baffle plates, of the elastic mechanism, the two arc grooves are communicated with the corresponding telescopic grooves, springs are fixedly arranged in the telescopic grooves, telescopic plates are fixedly arranged at one ends, close to each other, of the springs, and the two fixing blocks, the two baffle plates, the two springs and the two telescopic plates are located in the corresponding accommodating grooves.

Further, the elevation structure is including seting up the connecting hole on the lifter plate, set up the installation cavity in the terminal box, and install the chamber and be linked together with recess and movable groove, threaded mounting has the lift lead screw in the connecting hole, and the upper end rotation of lift lead screw is at the installation intracavity, the upper end of lift lead screw has fixed gear through the quarter butt fixed mounting, the installation intracavity rotates installs the drive shaft, and the lower extreme of drive shaft is located the recess, fixed mounting has the disc in the drive shaft, fixed mounting has the drive rack with fixed gear engaged with on the disc, the upper end fixed mounting of drive shaft has the fixed disk, fixed mounting has the fixed rack on the fixed disk, the extreme fixed mounting of drive shaft has drive bevel gear, and the fixed disk is located the centre of disc and fixed disk, install drive assembly in the installation cavity.

Further, the transmission assembly comprises a connecting cavity formed in the junction box, the connecting cavity is communicated with the mounting cavity and the round hole, a second connecting gear meshed with the fixed rack is rotatably mounted in the connecting cavity, a rotating rod is fixedly mounted on the lower surface of the second connecting gear, a driving bevel gear meshed with the driven bevel gear is fixedly mounted at the lower end of the rotating rod, a fixed bevel gear meshed with the driving bevel gear is rotatably mounted in the mounting cavity, a movable screw is fixedly mounted on the fixed bevel gear, and the movable screw is located in the movable groove.

Further, the length of the driving rack is half of the circumference of the disc, the length of the fixed rack is one fourth of the circumference of the fixed disc, the length of the bevel gear on the transmission bevel gear is one fourth of the circumference of the transmission bevel gear, and the bevel gear on the transmission bevel gear and the fixed rack are both staggered with the driving rack.

Further, the locking structure comprises a plurality of butt joint cavities formed in the junction box, the butt joint cavities are communicated with the movable groove and corresponding plug wire holes, a movable plate sliding in the movable groove is arranged on the movable screw in a threaded mode, and a plurality of fixing assemblies are arranged on the movable plate.

Further, the fixed subassembly includes the connecting block of fixed mounting on the movable plate, fixed mounting has the removal copper sheet on the connecting block, butt joint intracavity fixed mounting has the fixed copper sheet that the cooperation removed copper sheet used.

Compared with the prior art, the invention has the advantages that:

1: this single-phase intelligent ammeter when the installation, have the swift advantage of electric wire installation, insert the electric wire direct earlier, then screw up a drive shaft through the screwdriver and install in the time of can realizing many electric wires, insert between corresponding two separation blades with a plurality of electric wires from the below through the through wires hole, the setting that utilizes the separation blade can make electric wire upper end place highly the same for the problem that the end of a thread is longer or shorter in the installation can effectively be avoided, make the integral erection more simple and convenient.

2: This single-phase intelligent ammeter has the advantage that wire connection accuracy is high when the installation, through the angle difference setting of driving rack, fixed rack and transmission bevel gear upper cone tooth, can ensure to move up the electric wire and connect the electric wire again after stabilizing, reverse rotation drive shaft just can realize the quick loose line of electric wire simultaneously, and installation rate is fast and can guarantee wire connection's accuracy.

3: This single-phase intelligent ammeter when using, has the advantage that waterproof nature is good, and the through-hole that plug wire hole and cooperation drive shaft used all sets up in the lower extreme position of ammeter main part, can play preliminary waterproof, the effect of keeping off the dirt, and the setting of expansion plate can shelter from the plug wire hole simultaneously, further improves waterproof, the dust effect of junction.

4: This single-phase intelligent ammeter when using, has the advantage that electric wire life is high, through rubber seal, spring and fixed copper sheet and the setting of removing the copper sheet, can reduce the frictional force that the electric wire received, can carry out effectual elastic clamping to the electric wire simultaneously, improves electric wire life.

In summary, according to the electric energy meter, the plurality of electric wires are placed in sequence, the screw driver is rotated forward after placement is completed to drive the driving shaft to rotate, so that integral connection of the plurality of electric wires can be achieved, the electric wires can be connected in accurate positions by utilizing time difference between structures during rotation, the connection efficiency of the electric wires is improved, the wire loosening work of the electric wires can be achieved by rotating the driving shaft reversely, meanwhile, the electric wires are elastically fixed in an insulating layer part, rain and dust can be prevented, and the service life of the electric energy meter is prolonged.

Drawings

Fig. 1 is a schematic structural diagram of a single-phase intelligent electric energy meter according to the present invention;

FIG. 2 is a schematic view of a pushing rack;

FIG. 3 is a schematic view of the structure of the guide groove;

Fig. 4 is a schematic structural view of a wire insertion hole;

FIG. 5 is a schematic view of the structure of the junction box;

FIG. 6 is a cross-sectional view of the structure in the direction a-a of FIG. 5;

FIG. 7 is a schematic view of the structure of the accommodating groove;

FIG. 8 is a schematic view of the structure in the direction b-b in FIG. 5;

FIG. 9 is a structural cross-sectional view of the moving slot;

FIG. 10 is a schematic view of a structure of a moving plate;

FIG. 11 is a schematic view of a structure of a through hole;

FIG. 12 is a schematic view of the structure of a drive bevel gear;

FIG. 13 is a schematic view of the structure of the drive shaft;

FIG. 14 is a schematic view of the structure of a fixed copper sheet;

FIG. 15 is a schematic view of the structure of a round bar;

FIG. 16 is a schematic view of a rubber seal ring;

FIG. 17 is a schematic view of the structure of the expansion plate;

fig. 18 is an exploded view of the spring.

In the figure: the electric energy meter comprises a main body of the electric energy meter, a junction box, a groove 3, a lifting plate 4, a threading hole 5, a rubber sealing ring 6, a guide block 7, a guide groove 8, a wire inserting hole 9, a butting cavity 10, a fixed copper sheet 11, a moving groove 12, a moving plate 13, a moving copper sheet 14, a mounting cavity 15, a moving screw rod 16, a fixed bevel gear 17, a driving shaft 18, a driving bevel gear 19, a lifting screw rod 20, a fixed gear 21, a disc 22, a driving rack 23, a containing groove 24, a baffle 25, a 26 arc-shaped groove 27, a fixed block 28, a round hole 29, a round rod 30, a two-way screw rod 31, a connecting gear one, a pushing rack 32, a pushing groove 33, a driven bevel gear 34, a rotating rod 35, a driving bevel gear 36, a connecting gear two 37, a fixed disc 38, a fixed rack 39, a through hole 40, a telescopic groove 41, a spring 42 and a telescopic plate 43.

Detailed Description

Referring to fig. 1, a single-phase intelligent ammeter, including ammeter main part 1, the lower part of ammeter main part 1 is the transparent casing of plastics, and this transparent casing block of plastics is installed on ammeter main part 1, and the inside electric wire perforation condition of being convenient for is observed to the plastics material, and the installation of the transparent casing of plastics can be convenient for to the block design simultaneously, to the protection after the electric wire installation is accomplished.

Be provided with the display screen on the electric energy meter main part 1, can show how much and the electric speed of power consumption, be provided with pulse lamp, tripping operation lamp and infrared lamp on the electric energy meter main part 1 simultaneously.

The flicker frequency of the pulse lamp changes along with the power consumption load, the larger the power consumption load is, the faster the flicker is, and if the electric meter panel is marked with 1600imp/kWh, the pulse lamp flickers 1600 times, wherein the electric energy of 1 degree is consumed by a customer.

The trip lamp is turned on to prompt the electricity quantity condition, so that the electricity quantity is used up, and the payment is reminded; the infrared lamp is an induction interface for power supply company staff to collect data by using the ammeter data collecting palm machine, and the induction palm machine can be lightened, and does not flash at ordinary times.

Referring to fig. 1-7 and 15-18, the clamping and rising part comprises a junction box 2 fixedly installed on an electric energy meter main body 1, the junction box 2 is installed inside a plastic transparent shell, the internal wire connection distribution condition is convenient to observe, a groove 3 is formed in the junction box 2, and two guide grooves 8 communicated with the groove 3 are formed in the junction box 2.

Install the threading structure jointly on two guide slots 8, set up a plurality of plug wire holes 9 that are linked together with recess 3 on the terminal box 2, a plurality of plug wire holes 9 evenly distributed, and a plurality of plug wire holes 9's diameter can adapt to a plurality of electric wires and install simultaneously, the threading structure is including the guide block 7 of sliding mounting in two guide slots 8 respectively, guide slot 8 and guide block 7 all are square setting, can make corresponding guide block 7 slide from top to bottom in guide slot 8, common fixed mounting has lifter plate 4 between two guide blocks 7, fixed mounting has the promotion rack 32 on the lifter plate 4, and promote the lower extreme part toothless setting of rack 32, a plurality of through wires 5 that cooperate the use with corresponding plug wire holes 9 have been seted up on the lifter plate 4, through wires 5 and corresponding plug wire holes 9 are located same vertical line, a plurality of through wires 5 can make a plurality of electric wires neatly distributed, prevent that it from taking place alternately, equal fixed mounting has rubber seal 6 in a plurality of through wires 5, can take place the angle after the installation can take place in the long-time use, the electric wire can take place the angle of bending wire, the electric wire can take place the time and crack with the wire layer 40 when the electric wire can lead to the electric wire to the fact the electric wire to the danger to the electric wire to the top of the electric wire is broken, the danger is reduced 40 can be reached, and the top can be used to the electric wire is broken by the electric wire layer is broken, and the electric wire is used to the top 40.

The clamping structure is mounted on the wire inserting holes 9 together, the electric wire can be clamped and moved upwards to be in contact with the power supply, the clamping structure comprises a plurality of accommodating grooves 24 formed in the junction box 2, the accommodating grooves 24 are communicated with the corresponding wire inserting holes 9, round holes 28 are formed in the junction box 2, pushing grooves 33 are formed in the junction box 2, the pushing grooves 33 are communicated with the round holes 28 and the grooves 3, and pushing racks 32 slide in the pushing grooves 33.

The round hole 28 and the plurality of accommodating grooves 24 are jointly provided with a clamping set price, the clamping set price comprises a plurality of bidirectional screw rods 30 which are rotatably arranged in the round hole 28, threads on the bidirectional screw rods 30 are symmetrically arranged and opposite in direction, round rods 29 are fixedly arranged between every two adjacent bidirectional screw rods 30, a connecting gear 31 and a driven bevel gear 34 are fixedly arranged on the round rods 29 in the middle, the connecting gear 31 is meshed with a pushing rack 32, two ball nuts are uniformly and spirally arranged on the plurality of bidirectional screw rods 30, fixing blocks 27 are uniformly and fixedly arranged on the two ball nuts, retaining pieces 25 are uniformly and fixedly arranged on the plurality of fixing blocks 27, and the corresponding two retaining pieces 25 are symmetrically arranged.

When the bidirectional screw rod 30 rotates, the corresponding two blocking pieces 25 can be driven to be close to or far away from each other, so that the uniform clamping on the two sides of the electric wire and the quick wire loosening are realized. Elastic mechanism is all installed between corresponding two separation blades 25, elastic mechanism is including seting up arc groove 26 and the expansion groove 41 that are close to one side mutually at two separation blades 25 respectively, and two arc grooves 26 all are linked together with corresponding expansion groove 41, equal fixed mounting has spring 42 in two expansion grooves 41, the equal fixed mounting of one end that two springs 42 are close to each other has expansion plate 43, expansion groove 41's shape is the same with expansion plate 43's shape, both cooperate the use, can make expansion plate 43 slide to expansion groove 41 in, through with the electric wire centre gripping between two expansion plate 43, can make the fixed more firm of electric wire, and under spring 42's effect, the electric wire can not receive the damage.

The two expansion plates 43 are matched with the two springs 42, so that when the electric wires are installed, all the electric wires can be driven to integrally ascend for connection and fixation without holding the electric wires by a person; connect the installation in a plurality of plug wire holes 9 with the electric wire top, cooperate corresponding two expansion plates 43 to shelter from corresponding plug wire hole 9 simultaneously, can prevent effectively that the rainwater from getting into electric energy meter main part 1 in, the rainwater can be along electric energy meter main part 1's surface landing, under the protection of plastics transparent shell, effectively avoided some ammeter to expose the installation interface of electric wire simultaneously, lead to the condition of damage under the infiltration of rainwater, can realize the rain-proof dustproof of electric wire.

And the two fixing blocks 27, the two baffle plates 25, the two springs 42 and the two expansion plates 43 are all located in the corresponding accommodating grooves 24, and the length of the accommodating grooves 24 is larger than that of the bidirectional screw rod 30 and equal to that of the two baffle plates 25 in the same group, which are furthest away from each other on the bidirectional screw rod 30, so that the corresponding two baffle plates 25 can move back and forth in the accommodating grooves 24.

Referring to fig. 8-14, the locking part comprises a lifting structure commonly installed between the junction box 2 and the lifting plate 4, a movable groove 12 is formed in the junction box 2, the lifting structure comprises a connecting hole formed in the lifting plate 4, a mounting cavity 15 is formed in the junction box 2, the mounting cavity 15 is communicated with the groove 3 and the movable groove 12, a lifting screw rod 20 is installed in the connecting hole in a threaded manner, and when the lifting screw rod 20 rotates, the lifting plate 4 can be driven to rotate, but the lifting plate 4 can be limited under the cooperation of the guide groove 8 and the guide block 7, so that the lifting plate 4 moves up and down.

The upper end of the lifting screw rod 20 rotates in the installation cavity 15, the fixed gear 21 is fixedly arranged at the upper end of the lifting screw rod 20 through a short rod, the driving shaft 18 is rotatably arranged in the installation cavity 15, the lower end of the driving shaft 18 is arranged in a cross groove and is matched with a plum blossom screwdriver to use, the driving shaft 18 and the through hole 40 are positioned on the same vertical line, the lower end of the driving shaft 18 is positioned in the groove 3, the disc 22 is fixedly arranged on the driving shaft 18, the driving rack 23 meshed with the fixed gear 21 is fixedly arranged on the disc 22, the driving rack 23 is arranged on the disc 22, the length of the driving rack 23 is half of the circumference of the disc 22, the driving rack 23 can be meshed with the fixed gear 21 during rotation, but the disc 22 cannot be contacted with the fixed gear 21, the fixed disc 38 is fixedly arranged at the upper end of the driving shaft 18, the fixed disc 38 is fixedly provided with the fixed rack 39, the uppermost end of the driving shaft 18 is fixedly arranged with the driving bevel gear 19, the tapered gear 19 is arranged at the fourth of the circumference of the driving bevel gear 19, and the tapered gear 19 is positioned at the middle of the disc 38 and is fixed with the fixed disc 38.

The bevel teeth on the transmission bevel gear 19 and the fixed rack 39 are 90 degrees and are positioned on the same vertical direction, the bevel teeth on the transmission bevel gear 19 and the fixed rack 39 are staggered with the driving rack 23, when the driving rack 23 is meshed with the fixed gear 21, the bevel teeth on the fixed rack 39 and the transmission bevel gear 19 are not meshed, the staggered operation can be performed, and when the fixed rack 39 is meshed with the bevel teeth on the transmission bevel gear 19, the driving rack 23 is not meshed with the fixed gear 21.

The fixed gear 21 can be driven to rotate through the driving rack 23 by rotating the driving shaft 18, so that the lifting plate 4 is driven to ascend, and when the driving rack 23 is meshed with the fixed gear 21 from the starting end to the terminal end, the lifting plate 4 can be driven to move from the bottommost side of the groove 3 to the uppermost side of the groove 3.

When the lifting plate 4 is located at the bottommost side of the groove 3, the pushing rack 32 is at a certain distance from the first connecting gear 31, and when the lifting plate 4 is lifted to the topmost side of the groove 3, the teeth on the pushing rack 32 are separated from the first connecting gear 31.

The transmission assembly is arranged in the installation cavity 15 and comprises a connection cavity which is arranged in the junction box 2, the connection cavity is communicated with the installation cavity 15 and the round hole 28, a second connecting gear 37 which is meshed with a fixed rack 39 is rotatably arranged in the connection cavity, a rotating rod 35 is fixedly arranged on the lower surface of the second connecting gear 37, a driving bevel gear 36 which is meshed with a driven bevel gear 34 is fixedly arranged at the lower end of the rotating rod 35, a fixed bevel gear 17 which is meshed with the transmission bevel gear 19 is rotatably arranged in the installation cavity 15, a movable screw rod 16 is fixedly arranged on the fixed bevel gear 17, and the movable screw rod 16 is positioned in the movable groove 12.

The movable groove 12 is internally provided with a locking structure, the locking structure comprises a plurality of butt joint cavities 10 arranged in the junction box 2, the butt joint cavities 10 are communicated with the movable groove 12 and the corresponding plug wire holes 9, and the movable screw 16 is provided with a movable plate 13 which slides in the movable groove 12.

When the transmission bevel gear 19 is meshed with the fixed bevel gear 17, at this time, the driving shaft 18 rotates to drive the movable screw rod 16 to rotate through the transmission bevel gear 19 and the fixed bevel gear 17, the movable screw rod 16 rotates to drive the movable plate 13 to slide in the movable groove 12, meanwhile, the driving rack 23 is meshed with the second connecting gear 37, the second connecting gear 37 drives the driving bevel gear 36 to rotate through the rotating rod 35, the driving bevel gear 36 rotates to drive the plurality of bidirectional screw rods 30 to rotate, opening and closing of the corresponding plurality of groups of blocking pieces 25 can be achieved, at this time, the first connecting gear 31 cannot be in contact with the pushing rack 32, and meanwhile, locking of the upper part and clamping of the two telescopic plates 43 on the electric wires are achieved.

A plurality of fixed components are installed on the moving plate 13, each fixed component comprises a connecting block fixedly installed on the moving plate 13, a moving copper sheet 14 is fixedly installed on each connecting block, and a fixed copper sheet 11 matched with the moving copper sheet 14 for use is fixedly installed in the butt joint cavity 10.

The movable copper sheet 14 can be driven to be close to the corresponding fixed copper sheet 11 through the movement of the movable plate 13, the fixed copper sheet 11 and the movable copper sheet 14 are arranged in a semicircular arc shape, the shape formed on one side of the fixed copper sheet 11 close to the movable copper sheet 14 is similar to that of an electric wire, the electric wire can be better fixed, when the movable copper sheet 14 contacts with the corresponding fixed copper sheet 11, the movable copper sheet can contact with the electric wire, an insulating layer outside the electric wire needs to be cut before installation, the electric wire can be guaranteed to be completely contacted with the fixed copper sheet 11 and the movable copper sheet 14, and the electrifying of the electric wire is realized.

The driving rack 23 has 90 degrees of angle difference with the bevel gear on the drive bevel gear 19 and the fixed rack 39, so that the electric wire can be prevented from being clamped by the two telescopic plates 43 above when the electric wire still moves along with the lifting plate 4, the uppermost fixed copper sheet 11 is matched with the movable copper sheet 14 to clamp and transmit power to the electric wire, the installation effect is affected, the 90 degrees of angle difference can be generated after the electric wire is stable (the electric wire is ensured not to move and can reach between the fixed copper sheet 11 and the movable copper sheet 14), and then the electric wire is electrically fixed, so that dangers are prevented during installation.

When the wire is loosened, the fixed rack 39 is driven to be meshed with the second connecting gear 37 through the reverse rotation of the driving shaft 18, the driven bevel gear 34, the round bar 29 and the bidirectional screw rod 30 are driven to reversely rotate through the rotating rod 35 and the driving bevel gear 36, the corresponding two baffle plates 25 are driven to be mutually far away, meanwhile, the driving bevel gear 19 is meshed with the fixed bevel gear 17, the movable copper sheet 14 on the movable plate 13 is driven to be far away from the corresponding fixed copper sheet 11 through the movable screw rod 16, the quick wire loosening of the wire is realized, and the connection and the dismounting speed of the wire on the electric meter can be accelerated when the unified electric meter replacement and the electric meter installation are carried out on the district.

Through tailorring the insulating layer of electric wire upper end certain length, this length is about to be greater than the width of fixed copper sheet 11 and lifter plate 4, can carry out effective electric connection with the electric wire between fixed copper sheet 11 and remove copper sheet 14 to be less than fixed copper sheet 11 and the spacing on the vertical direction of separation blade 25, can prevent that the electric wire from being pressed from both sides tightly by two expansion plates 43 under the condition of no insulating layer, prevent to take place danger, prevent the electric wire damage simultaneously.

The working principle of the single-phase intelligent electric energy meter comprises the following steps:

Initial fixing of the wire: stripping the insulating layer at the upper end of the electric wire by a certain length (the specific length is larger than the thickness of the fixed copper sheet 11 and smaller than the distance between the fixed copper sheet 11 and the baffle sheet 25) according to the prior operation, sequentially passing a plurality of electric wires through the corresponding threading holes 5 from the bottom of the lifting plate 4, and ensuring that the upper end of each electric wire is basically at the same height;

Wire feeding: the driving shaft 18 is rotated clockwise by taking an arm as a midpoint after the driving shaft 18 passes through a through hole 40 at the bottom of the lifting plate 4 and is aligned with a plum blossom groove at the bottom of the driving shaft 18 by a screwdriver and the like, the driving shaft 18 rotates to drive the fixed gear 21 and the lifting screw 20 to rotate through the driving rack 23, the lifting screw 20 rotates to drive the lifting plate 4 to move upwards, the lifting plate 4 drives a toothed part on the pushing rack 32 to be meshed with a first connecting gear 31 to rotate in the initial stage of the upward movement of the lifting plate 4, the first connecting gear 31 rotates to drive a plurality of bidirectional screws 30 through a round rod 29, a plurality of groups of blocking pieces 25 are mutually opened (the corresponding two blocking pieces 25 are mutually separated), so that the bottom of each wire insertion hole 9 is opened, the wire is ensured to smoothly move upwards, when the toothed part on the pushing rack 32 is moved to be separated from the first connecting gear 31, the plurality of groups of blocking pieces 25 are completely opened and kept motionless, the wire just passes through the plurality of groups of blocking pieces 25 and continues to move upwards under the rotation of the driving shaft 18, when the driving shaft 18 rotates 180 DEG, the wire stripping part is sent between the fixed copper piece 11 and the moving 14, the copper piece 23 is separated from the fixed gear 21 (the copper piece 23 is not separated from the lifting gear 21) and is kept to be just meshed with the top of the groove 3;

Clamping and power connection of electric wires: the driving shaft 18 is continuously rotated clockwise, at this time, the driving rack 23 is separated from the fixed gear 21, the driving rack 32 is pushed to be separated from the first connecting gear 31, and the driving bevel gear 19 is connected with the fixed bevel gear 17, the fixed rack 39 and the second connecting gear 37 by 45 degrees, so that the 45 degrees are hollow periods (the hollow period design can avoid the problem that the moving copper sheet 14 starts to move towards the position close to the corresponding fixed copper sheet 11 just after the wire feeding is in place, and the upper end of the electric wire is abutted or poor contact occurs when the moving copper sheet 14 moves), when the driving bevel gear 19 is meshed with the fixed bevel gear 17, the moving screw 16 rotates to drive the moving plate 13 to drive the plurality of moving copper sheets 14 to approach the corresponding fixed copper sheets 11, so as to realize clamping and electricity connection of the electric wire, at this time, the fixed rack 39 is meshed with the second connecting gear 37 to drive the rotating rod 35 to rotate, the rotating rod 35 rotates to drive the driving bevel gear 36 to rotate, the driving bevel gear 36 rotates to drive the driven bevel gear 34 to rotate, the round bar 29 is driven to rotate under the cooperation of the driving bevel gear 36 and the driven bevel gear 34 to enable the plurality of bidirectional screw rods 30 to rotate reversely at the same time, so that the plurality of groups of baffle plates 25 are close to each other again to close the bottom of the wire insertion hole 9, the dustproof and waterproof effects are achieved, and when the plurality of groups of baffle plates 25 are close to each other to close the wire insertion hole 9, because the electric wire is arranged between the two baffle plates 25 at this time, the two expansion plates 43 retract into the two expansion grooves 41 (the corresponding two expansion plates 43 move towards the direction away from each other), and the electric wire is prevented from being clamped;

and (5) loosening: the reverse rotation screwdriver drives the driving shaft 18 to reversely rotate 90 degrees, in the process, the fixed bevel gear 17 is meshed with the transmission bevel gear 19 to drive the movable screw rod 16 to reversely rotate, the movable plate 13 drives the plurality of movable copper sheets 14 to be mutually far away from the corresponding fixed copper sheets 11, at the moment, the upper end of a wire is released from fixation, the transmission bevel gear 19 drives the fixed bevel gear 17 to rotate, at the moment, the fixed rack 39 is meshed with the second connecting gear 37 to rotate, at the moment, the second connecting gear 37 rotates to drive the driven bevel gear 34 to reversely rotate through the rotating rod 35 and the driving bevel gear 36, thereby driving the plurality of bidirectional screw rods 30 to rotate through the round rod 29 to drive the plurality of groups of baffle plates 25 to be mutually far away, the bottom of each wire insertion hole 9 is opened, and wire loosening can be completed, and the wire replacement is convenient.

The foregoing has shown and described the basic principles and main features of the present invention and the 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 that the above embodiments and descriptions are merely 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 is defined in the appended claims.

Claims

1. The utility model provides a single-phase intelligent ammeter, includes electric energy meter main part (1), its characterized in that still includes centre gripping rising portion, centre gripping rising portion includes terminal box (2) of fixed mounting on electric energy meter main part (1), set up recess (3) on terminal box (2), set up two guide way (8) that are linked together with recess (3) on terminal box (2), two install the threading structure jointly on guide way (8), set up a plurality of plug wire holes (9) that are linked together with recess (3) on terminal box (2), a plurality of install the clamping structure jointly on plug wire hole (9);

The locking part comprises a pushing rack (32) arranged on the threading structure, a lifting structure matched with the pushing rack (32) is arranged between the junction box (2) and the lifting plate (4) together, a moving groove (12) is formed in the junction box (2), and a locking structure is arranged in the moving groove (12);

The threading structure comprises guide blocks (7) which are respectively and slidably arranged in two guide grooves (8), a lifting plate (4) is fixedly arranged between the two guide blocks (7), a pushing rack (32) is fixedly arranged on the lifting plate (4), a plurality of threading holes (5) which are matched with corresponding wire inserting holes (9) are formed in the lifting plate (4), rubber sealing rings (6) are fixedly arranged in the threading holes (5), and through holes (40) are formed in the lifting plate (4);

The clamping structure comprises a plurality of accommodating grooves (24) formed in the junction box (2), the accommodating grooves (24) are communicated with corresponding plug wire holes (9), round holes (28) are formed in the junction box (2), pushing grooves (33) are formed in the junction box (2), the pushing grooves (33) are communicated with the round holes (28) and the grooves (3), and pushing racks (32) slide in the pushing grooves (33), and clamping assemblies are jointly mounted between the round holes (28) and the accommodating grooves (24).

2. The single-phase intelligent electric energy meter according to claim 1, wherein the clamping assembly comprises a plurality of bidirectional screw rods (30) rotatably installed in round holes (28), round rods (29) are fixedly installed between two adjacent bidirectional screw rods (30), a connecting gear (31) and a driven bevel gear (34) are fixedly installed on the round rods (29) in the middle, the connecting gear (31) is meshed with the pushing rack (32), two fixing blocks (27) are fixedly installed on the bidirectional screw rods (30) through two ball nuts, a baffle (25) is fixedly installed on the fixing blocks (27), the baffle (25) are symmetrically arranged, and an elastic mechanism is installed between the baffle (25).

3. The single-phase intelligent electric energy meter according to claim 2, wherein the elastic mechanism comprises an arc-shaped groove (26) and a telescopic groove (41) which are respectively arranged on one side, close to the two baffle plates (25), of the two baffle plates, the two arc-shaped grooves (26) are communicated with the corresponding telescopic grooves (41), springs (42) are fixedly arranged in the two telescopic grooves (41), telescopic plates (43) are fixedly arranged at one ends, close to the two springs (42), of the two baffle plates, and the two fixed blocks (27), the two baffle plates (25), the two springs (42) and the two telescopic plates (43) are located in the corresponding containing grooves (24).

4. The single-phase intelligent electric energy meter according to claim 2, wherein the lifting structure comprises a connecting hole formed in a lifting plate (4), a mounting cavity (15) is formed in the junction box (2), the mounting cavity (15) is communicated with the groove (3) and the moving groove (12), a lifting screw rod (20) is mounted in the connecting hole in a threaded manner, the upper end of the lifting screw rod (20) rotates in the mounting cavity (15), a fixed gear (21) is fixedly mounted at the upper end of the lifting screw rod (20) through a short rod, a driving shaft (18) is rotatably mounted in the mounting cavity (15), the lower end of the driving shaft (18) is located in the groove (3), a disc (22) is fixedly mounted on the driving shaft (18), a driving rack (23) meshed with the fixed gear (21) is fixedly mounted on the disc (22), a fixed disc (38) is fixedly mounted at the upper end of the driving shaft (18), a fixed gear (39) is fixedly mounted on the fixed disc (38), a driving assembly (19) is fixedly mounted at the uppermost end of the driving shaft (18), and the driving assembly is fixedly mounted in the disc (38).

5. The single-phase intelligent electric energy meter according to claim 4, wherein the transmission assembly comprises a connecting cavity which is formed in the junction box (2), the connecting cavity is communicated with the installation cavity (15) and the round hole (28), a connecting gear II (37) which is meshed with the fixed rack (39) is rotatably installed in the connecting cavity, a rotating rod (35) is fixedly installed on the lower surface of the connecting gear II (37), a driving bevel gear (36) which is meshed with the driven bevel gear (34) is fixedly installed at the lower end of the rotating rod (35), a fixed bevel gear (17) which is meshed with the driving bevel gear (19) is rotatably installed in the installation cavity (15), a movable lead screw (16) is fixedly installed on the fixed bevel gear (17), and the movable lead screw (16) is located in the movable groove (12).

6. The single-phase intelligent electric energy meter according to claim 4, wherein the length of the driving rack (23) is half of the circumference of the disc (22) on the disc (22), the length of the fixed rack (39) is one fourth of the circumference of the fixed disc (38) on the fixed disc (38), the length of the bevel gear (19) is one fourth of the circumference of the bevel gear (19), and the bevel gear (19) and the fixed rack (39) are staggered with the driving rack (23).

7. The single-phase intelligent electric energy meter according to claim 5, wherein the locking structure comprises a plurality of butt joint cavities (10) formed in the junction box (2), the butt joint cavities (10) are communicated with the movable grooves (12) and corresponding plug wire holes (9), the movable screw (16) is provided with a movable plate (13) which slides in the movable grooves (12) in a threaded manner, and the movable plate (13) is provided with a plurality of fixed components.

8. The single-phase intelligent electric energy meter according to claim 7, wherein the fixing component comprises a connecting block fixedly installed on the moving plate (13), a moving copper sheet (14) is fixedly installed on the connecting block, and a fixed copper sheet (11) matched with the moving copper sheet (14) for use is fixedly installed in the abutting cavity (10).