CN215644336U

CN215644336U - Intelligent circuit breaker for remote intelligent meter reading control system

Info

Publication number: CN215644336U
Application number: CN202122157696.7U
Authority: CN
Inventors: 苏晨; 苏亚先; 吴兴龙
Original assignee: Weston Power Technology Wuxi Co ltd
Current assignee: Weston Power Technology Wuxi Co ltd
Priority date: 2021-09-07
Filing date: 2021-09-07
Publication date: 2022-01-25
Anticipated expiration: 2031-09-07

Abstract

The utility model discloses an intelligent circuit breaker for a remote intelligent meter reading control system, which comprises a shell, wherein a rear cover is arranged on the rear surface of the shell, fixed pins penetrate through the four corners of the rear cover, one end of each fixed pin is provided with a limiting mechanism, connecting holes for clamping the other end of each fixed pin are further formed in the four corners of the rear surface of the shell, a clamping column is fixed on the bottom end face inside each connecting hole, a clamping groove is formed in the end face of the other end of each fixed pin, the clamping groove is sleeved on the surface of each clamping column, a cracking groove is formed in the clamping groove in a manner of extending towards the direction of one end of each fixed pin, and a damping block is further fixed outside the other end of each fixed pin; through the chucking post and the fixed pin of design, abandoned current bolt fastening's mode, on guaranteeing the stable basis of installation for holistic dismouting is all very convenient, and any problem that influences the connection and stabilize can not appear, has perfected not enough in the current structure.

Description

Intelligent circuit breaker for remote intelligent meter reading control system

Technical Field

The utility model belongs to the technical field of intelligent circuit breakers, and particularly relates to an intelligent circuit breaker for a remote intelligent meter reading control system.

Background

The remote intelligent meter reading control system is characterized in that an RS485 communication module of a PLC (programmable logic controller) in each company substation is utilized, an intelligent load control electric meter, an intelligent circuit breaker and a comprehensive protection device are utilized, data such as electric meter reading and residual electric quantity in the electric meter, state signals and electric quantity values of the intelligent circuit breaker, state signals and electric quantity values in the comprehensive protection are acquired in a time-sharing mode through MODBUS protocol communication. Secondly, data collected by each company is collected to a centralized control HMI (touch screen) and an industrial PC (personal computer) by utilizing a VPN (virtual private network) communication technology, and finally, centralized supervision, control, reminding, data analysis and the like of each company substation in the whole industrial park are realized, wherein the intelligent circuit breaker is used for controlling and protecting a low-voltage distribution network and is generally installed in a low-voltage distribution DW45 universal circuit breaker cabinet to serve as a main switch to play a role in total protection.

Present intelligent circuit breaker need fix through the bolt in the equipment of self, though installation stability obtains guaranteeing, nevertheless can consume more operating time at holistic dismouting, simultaneously in the daily maintenance in later stage, a series of problems such as smooth silk, mashed tooth can appear in the bolt, consequently there is great limitation in the in-service use, simultaneously in the installation with the electric wire, the connecting bolt of this department is not hard up easily to cause the not smooth or emergent scheduling problem that has a power failure of circuit operation.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide an intelligent circuit breaker for a remote intelligent meter reading control system, which aims to solve the problems in the background technology.

In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides a long-range intelligence intelligent circuit breaker for control system that checks meter, includes the casing, the rear surface of casing is provided with the back lid, the four corners department of back lid runs through there is the fixed pin, the one end of fixed pin is provided with stop gear the connecting hole that supplies fixed pin other end card to go into is still seted up to the rear surface four corners department of casing, be fixed with the chucking post on the inside bottom face of connecting hole, the draw-in groove has been seted up on the other end terminal surface of fixed pin, the surface at the chucking post is established to the draw-in groove cover, the draw-in groove stretches out towards the direction department of fixed pin one end and is equipped with the crack groove, the other end outside of fixed pin still is fixed with the damping piece, damping piece longitudinal section is the triangle-shaped structure, and the damping piece offsets with the inner wall of connecting hole.

Preferably, the clamping column is of a round table structure, the end face diameter of the clamping column facing the direction of the fixing pin is smaller than the inner diameter of the clamping groove, and the end face diameter of the clamping column facing away from the direction of the fixing pin is larger than the inner diameter of the clamping groove.

Preferably, the limiting mechanism comprises a limiting ring, a connecting thread is further formed in the end face of one end of the fixing pin and is in threaded connection with the limiting ring, and the outer diameter of the limiting ring is larger than the diameter of a hole in the penetrating position of the fixing pin and the rear cover.

Preferably, the mounting holes are formed in two ends of the front surface of the shell, the inner wall of each mounting hole is symmetrically provided with a barrier strip, the two ends of each barrier strip are bent and respectively attached to the opening of each mounting hole and the bottom hole, the barrier strips at the openings of the mounting holes are bent to form clamping plates, the inner side faces of the clamping plates are provided with limiting protrusions, and the limiting protrusions are abutted to the outer walls of the mounting holes.

Preferably, the middle part of the barrier strip is raised towards the middle part of the mounting hole, and the longitudinal section of the raised part is in a '>' structure.

Preferably, the middle part of the front surface of the shell is convex, a main control switch is arranged on the convex surface, and an indicator lamp is arranged at the top of the main control switch.

Compared with the prior art, the utility model has the beneficial effects that:

1. by the designed clamping column and the fixing pin, the conventional bolt fixing mode is abandoned, the whole assembly and disassembly are very convenient on the basis of ensuring the stable installation, the problem of influencing the stable connection is avoided, and the defects in the conventional structure are overcome;

2. through the blend stop of design, can carry on spacingly with the connecting bolt in the mounting hole, avoid appearing the not hard up phenomenon of connecting bolt to guarantee the normal function of circuit, the design of this blend stop can not cause the influence to normal installation yet simultaneously.

Drawings

FIG. 1 is a front view of the present invention;

FIG. 2 is a side view of the present invention;

FIG. 3 is an enlarged view of area A of FIG. 2 according to the present invention;

FIG. 4 is a sectional view of the attachment of the mounting hole to the barrier strip in accordance with the present invention;

FIG. 5 is an enlarged view of the area B in FIG. 4 according to the present invention.

In the figure: 1. a housing; 2. an indicator light; 3. a master switch; 4. mounting holes; 5. a rear cover; 6. a card slot; 7. connecting holes; 8. clamping the column; 9. cracking the groove; 10. a fixing pin; 11. connecting threads; 12. a limiting ring; 13. a damping block; 14. blocking strips; 15. clamping a plate; 16. and a limiting bulge.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1 to 5, the present invention provides a technical solution: an intelligent circuit breaker for a remote intelligent meter reading control system comprises a shell 1, wherein a rear cover 5 is arranged on the rear surface of the shell 1, a fixed pin 10 penetrates through the four corners of the rear cover 5, a limiting mechanism is arranged at one end of the fixed pin 10, connecting holes 7 for clamping the other end of the fixed pin 10 are also formed in the four corners of the rear surface of the shell 1, a clamping column 8 is fixed on the inner bottom end face of each connecting hole 7, the designed clamping column 8 and the designed fixed pin 10 are used for abandoning the existing bolt fixing mode, the whole assembly and disassembly are very convenient on the basis of ensuring the stable installation, the problem of influencing the stable connection is avoided, the defects in the existing structure are overcome, a clamping groove 6 is formed in the end face of the other end of the fixed pin 10, the clamping groove 6 is sleeved on the surface of the clamping column 8, and a crack groove 9 is formed in the clamping groove 6 in a manner of extending towards one end of the fixed pin 10, the damping block 13 is fixed outside the other end of the fixing pin 10, the longitudinal section of the damping block 13 is of a triangular structure, and the damping block 13 abuts against the inner wall of the connecting hole 7.

In this embodiment, preferably, the clamping column 8 is a circular truncated cone structure, and the end surface diameter of the clamping column 8 facing the direction of the fixing pin 10 is smaller than the inner diameter of the clamping groove 6, and the end surface diameter facing away from the direction of the fixing pin 10 is larger than the inner diameter of the clamping groove 6, so as to ensure the later deformation clamping.

In this embodiment, preferably, the limiting mechanism includes a limiting ring 12, a connecting thread 11 is further provided on an end face of one end of the fixing pin 10, and when the influence is exerted, the connecting thread 11 is in threaded connection with the limiting ring 12, and the outer diameter of the limiting ring 12 is larger than the diameter of a hole at the penetrating position of the fixing pin 10 and the rear cover 5.

In this embodiment, it is preferred, mounting hole 4 has been seted up to 1 front surface both ends department of casing, the equal symmetry of inner wall of every mounting hole 4 is provided with blend stop 14, blend stop 14 through the design, can carry on spacingly with the connecting bolt in the mounting hole 4, avoid appearing the not hard up phenomenon of connecting bolt, thereby guarantee the normal function of circuit, simultaneously this blend stop 14's design, also can not cause the influence to normal installation, blend stop 14's both ends all are the form of buckling, and laminate with the opening of mounting hole 4 and bottom outlet respectively, blend stop 14 that is in the mounting hole 4 opening part is formed with cardboard 15 through buckling, the medial surface of cardboard 15 is provided with spacing arch 16, spacing arch 16 offsets with the outer wall of mounting hole 4.

In this embodiment, preferably, the middle of the barrier 14 protrudes toward the middle of the mounting hole 4, so as to facilitate the position limitation, and the longitudinal section of the protruding portion is in a ">" structure.

In this embodiment, preferably, the middle of the front surface of the housing 1 is convex, the convex surface is provided with the main control switch 3, and the top of the main control switch 3 is provided with the indicator light 2 for displaying the circuit status information.

The working principle and the using process of the utility model are as follows: in the early installation of the utility model, referring to fig. 2 and 3, a limit ring 12 is fixed at one end of a fixed pin 10 through a connecting thread 11, then the other end of the fixed pin 10 penetrates through a rear cover 5 to the inside of a connecting hole 7, and a clamping column 8 is embedded into a clamping groove 6, at the moment, the clamping groove 6 is extruded by the clamping column 8, the other end of the fixed pin 10 can expand towards the inner wall of the connecting hole 7, and due to the existence of a crack groove 9, the normal expansion can be ensured without damaging the fixed pin 10, meanwhile, a damping block 13 is also abutted against the inner wall of the connecting hole 7, so as to complete double abutting limit, in the later disassembly, a shell 1 is directly separated and pulled from the rear cover 5, so that the other end of the fixed pin 10 can be moved out of the inside of the connecting hole 7, when the other end of the fixed pin 10 and the damping block 13 are clamped, and the shell 1 cannot be separated from the rear cover 5 by pulling, the limiting ring 12 is detached from the connecting thread 11, then the rear cover 5 is firstly separated from the fixing pin 10, and then one end of the fixing pin 10 is clamped and pulled through an external clamping component, so that the detachment of the limiting ring 12 is used under the abnormal condition that the fixing pin cannot be opened, and the guarantee of normal detachment is provided; referring to fig. 1, 4 and 5, when the device is connected with an external device through an electric wire, the electric wire is inserted from the bottom end surface of the shell 1, then the connecting bolt penetrates through the mounting hole 4 to tightly support the electric wire, the connecting bolt penetrates through the connecting bolt and can be extruded with the barrier strip 14, the barrier strip 14 is deformed to allow the connecting bolt to pass through, and when one end of the connecting bolt with a cross groove moves to the bottom end of the mounting hole 4, the limiting is performed through a raised structure in the middle of the barrier strip 14; in the installation of the barrier strip 14, the top end and the bottom end of the barrier strip 14 are clamped at the opening and the bottom hole of the installation hole 4, the installation hole 4 at the opening is bent to form a clamping plate 15, and the clamping plate is clamped by the limiting protrusion 16 to complete the installation.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a remote intelligence intelligent circuit breaker for meter reading control system, includes casing (1), the rear surface of casing (1) is provided with back lid (5), its characterized in that: rear cover (5) four corners department runs through fixed pin (10), the one end of fixed pin (10) is provided with stop gear the connecting hole (7) that supply fixed pin (10) other end card to go into are still seted up to the rear surface four corners department of casing (1), be fixed with chucking post (8) on the inside bottom face of connecting hole (7), draw-in groove (6) have been seted up on the other end terminal surface of fixed pin (10), draw-in groove (6) cover is established on the surface of chucking post (8), draw-in groove (6) are extended towards the direction department of fixed pin (10) one end and are equipped with split groove (9), the other end outside of fixed pin (10) still is fixed with damping piece (13), damping piece (13) longitudinal section is the triangle-shaped structure, and damping piece (13) offset with the inner wall of connecting hole (7).

2. The intelligent circuit breaker for the remote intelligent meter reading control system according to claim 1, wherein: chucking post (8) are the round platform structure, just chucking post (8) are less than the internal diameter of draw-in groove (6) towards the terminal surface diameter of fixed pin (10) direction, and the terminal surface diameter of fixing pin (10) direction dorsad is greater than the internal diameter of draw-in groove (6).

3. The intelligent circuit breaker for the remote intelligent meter reading control system according to claim 1, wherein: stop gear includes spacing ring (12) connecting thread (11) have still been seted up on the one end terminal surface of fixed pin (10), connecting thread (11) and spacing ring (12) threaded connection, the external diameter of spacing ring (12) is greater than the diameter in fixed pin (10) and back lid (5) through hole.

4. The intelligent circuit breaker for the remote intelligent meter reading control system according to claim 1, wherein: mounting hole (4), every have been seted up to casing (1) front surface both ends department the equal symmetry of inner wall of mounting hole (4) is provided with blend stop (14), the both ends of blend stop (14) all are the form of buckling to laminate with the opening and the bottom hole of mounting hole (4) respectively, be in blend stop (14) of mounting hole (4) opening part are formed with cardboard (15) through buckling, the medial surface of cardboard (15) is provided with spacing arch (16), spacing arch (16) offset with the outer wall of mounting hole (4).

5. The intelligent circuit breaker for the remote intelligent meter reading control system according to claim 4, wherein: the middle part of the barrier strip (14) is raised towards the middle part of the mounting hole (4), and the longitudinal section of the raised part is in a '>' structure.

6. The intelligent circuit breaker for the remote intelligent meter reading control system according to claim 4, wherein: the front surface middle part of casing (1) is the protrusion form, and the surface of this protrusion form is provided with master switch (3), the top of master switch (3) is provided with pilot lamp (2).