CN212207478U - Automatic change electric meter - Google Patents

Abstract

The utility model relates to an ammeter technical field, concretely relates to automatic change ammeter, including casing, backplate, fixture block, draw-in groove, detent mechanism down, detent mechanism includes round pin axle, jack, sliding block, sliding tray, electro-magnet, elastic component. The utility model has the advantages that: install the backplate on the wall, and the screw through-hole on the backplate is sheltered from by the shell back under the ammeter, make can't take off the screw that the wall was connected to the backplate, set up stop gear and fixture block simultaneously, through stop gear with casing demountable installation on the backplate down, replace the mode that adopts screw connection among the prior art, the phenomenon of the illegal dismantlement of casing down has been reduced, the circular telegram through the electro-magnet produces magnetism in addition, the drive sliding block removes towards the electro-magnet direction, make the round pin axle break away from with inserting of jack and close, make the casing can follow the backplate and dismantle down, the installation and the dismantlement of the ammeter of being convenient for, the efficiency of operation has been improved.

Description

Automatic change electric meter

Technical Field

The utility model relates to an ammeter technical field, concretely relates to automatic change ammeter.

Background

The electric meter is an electric energy meter for short, is an instrument for measuring electric energy, is also called an electric meter, a fire meter, an electric energy meter and a kilowatt-hour meter, and is an instrument for measuring various electric quantities.

Prior art discloses an anti-theft type three-phase electronic type prepayment ammeter as chinese patent No. CN201820255069.2, including the ammeter body, the bottom both sides of ammeter body all are provided with the holding tank, two one side middle part that the holding tank is close to each other all is provided with the horizontally fixed block, control button is installed at the top of fixed block, this internal chamber that holds that is provided with of ammeter of holding tank one side, the internally mounted who holds the chamber has the alarm, electric connection between alarm and the control button, the inside both sides of holding tank all are provided with vertical decurrent connecting rod, two be provided with the horizontally dead lever between the connecting rod, the outside of dead lever is provided with the rotary drum, one side of rotary drum is provided with the horizontally fixed plate. The utility model discloses can be in the use, someone steals the ammeter body to when dismantling the ammeter body, timely report to the police the warning to the user, the effectual security that increases when the ammeter body uses.

The electric meter in the prior art performs theft prevention through alarming, but the mode is passive, and the phenomenon of theft still exists.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to overcome the problem that exists among the prior art, provide an automatic ammeter, it can realize solving prior art's problem to a certain extent at least.

In order to realize the technical purpose, the technical effect is achieved, the utility model discloses a realize through following technical scheme:

an automatic electricity meter comprises a lower shell of the automatic electricity meter, wherein a back plate which is connected with the back plate in an abutting mode is arranged on the back face of the lower shell, the back plate is detachably mounted on a vertical placing face, the orthographic projection area of the back plate is smaller than that of the lower shell, a clamping block with a T-shaped cross section is vertically arranged on the back face of the lower shell, a clamping groove which is used for clamping the clamping block and can freely slide vertically is correspondingly arranged on the back plate, the lower shell is connected to the back plate in a locking mode through a stop mechanism, the stop mechanism comprises a pin shaft which penetrates out of the clamping block in a horizontal sliding mode, a through hole which is used for inserting one end of the pin shaft penetrating out of the clamping block and is in a through hole mode is correspondingly arranged on the back plate, a sliding block made of a magnetic conductive material is arranged at the other end of the pin shaft, a sliding groove which is used, the electromagnet is matched with the sliding block for use, an elastic piece is arranged between the electromagnet and the sliding block, the elastic piece abuts against the sliding block and drives the sliding block to be away from the electromagnet, and the pin shaft is inserted into the jack.

As a further optimization of the technical scheme, a plurality of screw through holes are formed in the back plate.

As the further optimization of the technical scheme, one surface of the back plate, facing the lower shell, is provided with a plurality of heat dissipation grooves in the form of notches, and the heat dissipation grooves are communicated with the outer walls of the two transverse sides of the back plate.

As a further optimization of the above technical solution, the elastic member is a spring, the spring is disposed in the sliding groove, and two ends of the spring in the elastic direction are respectively welded to the sliding block and the electromagnet.

As a further optimization of the solution described above, the spring is made of a non-magnetic material.

As the further optimization of the technical scheme, the lower shell is internally provided with the Bluetooth module.

The utility model has the advantages that: install the backplate on the wall, and the screw through-hole on the backplate is sheltered from by the shell back under the ammeter, make can't take off the screw that the wall was connected to the backplate, set up stop gear and fixture block simultaneously, through stop gear with casing demountable installation on the backplate down, replace the mode that adopts screw connection among the prior art, the phenomenon of the illegal dismantlement of casing down has been reduced, the circular telegram through the electro-magnet produces magnetism in addition, the drive sliding block removes towards the electro-magnet direction, make the round pin axle break away from with inserting of jack and close, make the casing can follow the backplate and dismantle down, the installation and the dismantlement of the ammeter of being convenient for, the efficiency of operation has been improved.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic perspective view of the present invention;

FIG. 2 is a schematic bottom view of the three-dimensional structure of FIG. 1;

FIG. 3 is an exploded view of the perspective structure of FIG. 1;

FIG. 4 is a schematic cross-sectional view of a three-dimensional structure of a middle clip block of the present invention;

the reference numerals are explained below:

1-lower shell, 2-spring, 3-electromagnet, 4-sliding block, 5-pin shaft, 6-screw through hole, 7-clamping groove, 8-radiating groove, 9-back plate, 10-Bluetooth module, 11-clamping block and 12-sliding groove.

Detailed Description

In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the drawings in the embodiments of the present invention are combined below to clearly and completely describe the technical solutions in the embodiments of the present invention, and obviously, the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.

Referring to fig. 1-4, fig. 1-4 show an automatic electricity meter, which includes a lower housing 1 of the automatic electricity meter, a back plate 9 abutting against and connected to the back plate 1 is disposed on the back surface of the lower housing 1, a plurality of screw through holes 6 are disposed on the back plate 9, external screws/bolts are used to pass through the screw through holes 6, the back plate 9 is mounted on a vertical wall, an orthographic projection area of the back plate 9 is smaller than that of the lower housing 1, so that the lower housing 1 can cover the screw through holes 6, the screws/bolts in the screw through holes 6 cannot be dismounted, a plurality of heat dissipation grooves 8 in the form of notches are disposed on one surface of the back plate 9 facing the lower housing 1, the heat dissipation grooves 8 are communicated with outer walls on two lateral sides of the back plate 9, so that heat on the back surface of the lower housing 1 can be dissipated to the external environment through the heat dissipation grooves 8, and the heat dissipation performance of the, a clamping block 11 with a T-shaped cross section is vertically arranged on the back surface of the lower shell 1, a clamping groove 7 which is used for clamping the clamping block 11 and can vertically and freely slide is correspondingly arranged on the back plate 9, the lower shell 1 is connected on the back plate 9 in a locking way through a stop mechanism, the stop mechanism comprises a pin shaft 5 which horizontally slides and is matched with the clamping block 11, a through hole type inserting hole which is used for inserting the pin shaft 5 out of one end of the clamping block 11 is correspondingly arranged on the back plate 9, a sliding block 4 made of magnetic material is arranged at the other end of the pin shaft 5, a sliding groove 12 which is used for clamping the sliding block 4 and can horizontally and freely slide is correspondingly arranged on the clamping block 11, an electromagnet 3 is arranged at the notch of the lower shell 1 facing the sliding groove 12, a small storage battery is arranged in the inner cavity of the lower shell 1 and is electrically connected with the electromagnet 3 through a lead to supply power to, the spring 2 is arranged in the sliding groove 12, two ends of the spring in the elastic direction are respectively welded on the sliding block 4 and the electromagnet 3, the spring 2 abuts against the sliding block 4 and drives the sliding block 4 to be far away from the electromagnet 3, the pin shaft 5 is inserted into the insertion hole, and the spring 2 can be made of a non-magnetic material in order to reduce the influence of the magnetism of the electromagnet 3 on the deformation of the spring 2.

Be equipped with bluetooth module 10 (bluetooth module's structure and theory of operation are technical common knowledge of technical staff in the field, do not describe here) in lower casing 1, bluetooth module 10 is connected with electric power department fortune dimension personnel's cell-phone end communication, fortune dimension personnel use the cell-phone end to come to be connected with the chip in the ammeter through bluetooth module 10 like this, the power break-make of chip control battery, and then come the power break-make of control electro-magnet 3, and then make electro-magnet 3 circular telegram.

The utility model discloses when using: when the electric meter is installed, firstly, the back plate penetrates through a screw through hole on the back plate through a screw or a bolt, the back plate is installed on a wall, operation and maintenance personnel of an electric power department use a mobile phone end and connect with a Bluetooth module, the electromagnet controls the power supply of the electromagnet to be electrified through the Bluetooth module, the electromagnet generates magnetism, the sliding block is driven to move towards the direction of the electromagnet, the pin shaft is retracted into the clamping block, then the clamping block is clamped in the clamping groove, after the clamping is in place, the power supply of the electromagnet is disconnected, under the elastic action of the spring, the sliding block is driven to be away from the electromagnet, the pin shaft extends out of the clamping block and is further inserted in the jack of the back plate, the lower shell is connected on the back plate through the clamping of the clamping block and the clamping groove and the insertion of the pin shaft and the jack, the screw on the, simultaneously, the ammeter is clamped through the clamping block of the clamping block clamping groove and inserted into the inserting hole through the pin shaft, so that the ammeter can be rapidly installed and detached.

The preferred embodiments of the present invention disclosed above are intended only to help illustrate the present invention. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and its practical applications, to thereby enable others skilled in the art to best understand the invention for and utilize the invention. The present invention is limited only by the claims and their full scope and equivalents.

Claims (6)

1. An automatic electricity meter comprises a lower shell (1) of the automatic electricity meter, and is characterized in that a back plate (9) connected with the back plate in an abutting mode is arranged on the back face of the lower shell (1), the back plate (9) is detachably mounted on a vertical placing face, the orthographic projection area of the back plate is smaller than that of the lower shell (1), a clamping block (11) with a T-shaped cross section is vertically arranged on the back face of the lower shell (1), a clamping groove (7) which is used for clamping the clamping block (11) and can vertically and freely slide is correspondingly arranged on the back plate (9), the lower shell (1) is connected to the back plate (9) in a locking mode through a stop mechanism, the stop mechanism comprises a pin shaft (5) which penetrates out of the clamping block (11) in a horizontal sliding mode, a through hole in a through hole mode is correspondingly arranged on the back plate (9) and used for inserting the pin shaft (5) out of one end of the clamping block (11), and a sliding block (4, the corresponding slide groove (12) which is used for clamping the sliding block (4) and can horizontally and freely slide is arranged on the clamping block (11), the electromagnet (3) is arranged at the notch of the lower shell (1) facing the slide groove (12), the electromagnet (3) is matched with the sliding block (4) for use, an elastic piece is arranged between the electromagnet (3) and the sliding block (4), the elastic piece abuts against the sliding block (4) and drives the sliding block (4) to be far away from the electromagnet (3), and the pin shaft (5) is inserted into the jack.

2. An automated electricity meter according to claim 1, characterized in that said back plate (9) is provided with a plurality of screw through holes (6).

3. An automatic electricity meter according to claim 1, characterized in that the side of the back plate (9) facing the lower casing (1) is provided with a plurality of heat dissipating grooves (8) in the form of notches, the heat dissipating grooves (8) communicating with the outer walls of the two lateral sides of the back plate (9).

4. An automatic electric meter according to claim 1, characterized in that the elastic member is a spring (2), the spring (2) is disposed in the sliding groove (12), and two ends of the spring in the elastic direction are respectively welded on the sliding block (4) and the electromagnet (3).

5. An automatic electricity meter according to claim 4, characterized in that said spring (2) is made of non-magnetic material.

6. An automated electricity meter according to claim 1, characterized in that a bluetooth module (10) is provided in said lower case (1).

Images