CN210837632U

CN210837632U - Plastic case intelligent circuit breaker

Info

Publication number: CN210837632U
Application number: CN201922418323.3U
Authority: CN
Inventors: 周道娟; 周道鹏
Original assignee: Guizhou Changzheng Electric Assembly Co ltd
Current assignee: Guizhou Changzheng Electric Assembly Co ltd
Priority date: 2019-12-27
Filing date: 2019-12-27
Publication date: 2020-06-23
Anticipated expiration: 2029-12-27

Abstract

The application discloses a plastic shell intelligent circuit breaker in the technical field of power transformation equipment, which comprises a shell, a display screen and a control communication interface, wherein an installation base part and a switch extending and protruding from the installation base part are arranged in the middle of the front end surface of the shell; the end part of the wrench is a limiting shaft, a U-shaped limiting notch for the limiting shaft to pass in and out is arranged on the mounting base part, and the wall body of the limiting notch is abutted against the side wall of the wrench. The utility model discloses a based on the exposed characteristics of spanner, switch sets the plectrum and spanner into, the spanner run through the plectrum and with plectrum sliding connection, can realize the limiting displacement to the plectrum when the spanner pushes down, avoid bumping the maloperation that leads to because of the mistake touches.

Description

Plastic case intelligent circuit breaker

Technical Field

The utility model relates to a circuit breaker technical field, concretely relates to intelligent circuit breaker of moulded case.

Background

The circuit breaker is a switching device capable of closing, bearing and opening a current under a normal circuit condition and closing, bearing and opening a current under an abnormal circuit condition within a specified time, and is divided into a high-voltage circuit breaker and a low-voltage circuit breaker according to the use range thereof, the circuit breaker can be used for distributing electric energy and frequently starting an asynchronous motor to protect a power line, the motor and the like, and the circuit breaker can automatically cut off a circuit when a fault such as severe overload or short circuit and undervoltage occurs, and the function of the circuit breaker is equivalent to the combination of a fuse type switch and an over-and-under-heat relay and the like.

In the existing intelligent molded case circuit breaker, a display screen and an electronic operation switch are generally disposed on an upper surface of an upper cover of the circuit breaker, and the electronic operation switch may be a common toggle switch or a membrane type button switch, and the electronic operation switch is used for controlling display of the display screen or presetting a certain current value range, and other operations and the like. Because the electronic operation switch is exposed outside, the electronic operation switch is easy to be damaged or misoperation occurs due to collision, and certain potential safety hazards exist.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a mould shell intelligent circuit breaker solves prior art and exposes the maloperation that arouses externally because of electronic operation switch.

The utility model discloses a plastic case intelligent circuit breaker, including shell, display screen and control communication interface, the front end face middle part of shell is provided with the installation basal portion and extends the convex switch of switch from the installation basal portion, the switch of switch includes plectrum and spanner, the spanner runs through the plectrum and with plectrum sliding connection, the plectrum with install basal portion sliding connection; the end part of the wrench is a limiting shaft, a U-shaped limiting notch for the limiting shaft to pass in and out is arranged on the mounting base part, and the wall body of the limiting notch is abutted against the side wall of the wrench.

The utility model discloses a theory of operation: the utility model discloses a plastic shell intelligent circuit breaker, including shell, display screen and control communication interface, the shell is made of plastics, display screen and control communication interface are located the surface of shell, other components are located the shell inside, the middle part of the front end face of shell is provided with the installation basal portion, the installation basal portion extends outwards and protrudes a switch, the utility model discloses a because the switch exposes the problem that the outside easily causes the maloperation, the switch includes plectrum and the spanner that runs through the plectrum, and the tip of spanner is spacing axle, sets up the spacing breach that supplies spacing axle business turn over on the installation basal portion, drives the plectrum to move up or down when the spanner moves, and then realizes the opening and shutting of circuit breaker, and when the plectrum reaches the assigned position, pushes down the spacing axle that runs through the plectrum into the spacing breach, because the wall body of spacing breach and the lateral wall of spanner are the butt, the spanner is limited in the limit notch, the exposed length of the spanner at the moment is short, the spanner is limited to be moved even if the spanner is moved left and right or other touch conditions, the shifting piece cannot be moved, the current state of the circuit breaker can be kept, misoperation caused by mistaken touch cannot occur, the spanner is taken off outwards when the state of the circuit breaker needs to be changed, the spanner is separated from the limit notch, and the position of the shifting piece is moved.

The utility model has the advantages that: the utility model discloses a based on the exposed characteristics of spanner, switch sets the plectrum and spanner into, the spanner run through the plectrum and with plectrum sliding connection, can realize the limiting displacement to the plectrum when the spanner pushes down, avoid bumping the maloperation that leads to because of the mistake touches.

In this application, because the spanner generally only can be in two positions, consequently when setting up spacing breach, generally set up two spacing breachs at least, and two spacing breachs are located the inner end of spanner position respectively, the business turn over of the spacing axle of being convenient for.

Furthermore, there are two spacing breach, be located the ascending both ends of installation basal portion vertical direction respectively.

Furthermore, two spacing breach parallel arrangement.

Furthermore, an included angle is formed between the two limiting notches, and the included angle is equal to the moving angle of the switch on the installation base.

Above be the specific position of spacing breach, can select suitable spacing breach according to the shape of plectrum, for example, when the plectrum is straight, preferred two spacing breachs are parallel, when the plectrum is the arc, have the contained angle between preferred two spacing breachs, and the tip coincidence of two spacing breachs.

Furthermore, a bump is arranged on the limiting notch. The protrusion is matched with the limiting shaft to prevent the wrench from rapidly entering and exiting the limiting notch, so that the limiting performance of the limiting notch is improved.

Further, be equipped with the transparent guard shield that covers the installation basal portion on the shell, the one end and the shell of transparent guard shield are articulated, and the other end and the shell joint of transparent guard shield. The transparent protective cover mainly plays a dustproof role and can avoid mistaken touch.

The utility model discloses a display screen only has the demonstration function, when the display screen has the operation function, need set up locking module, prevents the maloperation.

Drawings

Fig. 1 is a schematic structural diagram of an embodiment 1 of the plastic case intelligent circuit breaker of the present invention;

fig. 2 is the structure diagram of embodiment 2 of the plastic case intelligent circuit breaker of the present invention.

Detailed Description

The following is further detailed by way of specific embodiments:

reference numerals in the drawings of the specification include: the control communication interface 1, the plastic housing 2, the first shifting piece 31, the second shifting piece 32, the installation base 4, the first wrench 51, the second wrench 52, the first limit shaft 61, the second limit shaft 62, the first limit notch 71, and the second limit notch 72.

Example 1 is substantially as shown in figure 1: fig. 1 is a perspective view of a plastic housing 2 with a portion removed, and other structures are not shown since the present application focuses on the improvement at the position of the switch. The intelligent molded case circuit breaker comprises a plastic shell 2, a display screen and a control communication interface 1, wherein an installation base 4 and a switch extending from the installation base 4 are arranged in the middle of the front end face of the plastic shell 2, a transparent shield (not shown) covering the installation base 4 is arranged on the plastic shell 2, one end of the transparent shield is hinged with the plastic shell 2, and the other end of the transparent shield is clamped with the plastic shell 2; the switch comprises a first shifting piece 31 and a first wrench 51, wherein the first shifting piece 31 is of a straight structure, the first wrench 51 penetrates through the first shifting piece 31 and is in sliding connection with the first shifting piece 31, and the first shifting piece 31 is in sliding connection with the installation base part 4; the tip of first spanner 51 is first spacing axle 61, is equipped with the first spacing breach 71 of the U-shaped that supplies first spacing axle 61 business turn over on the installation basal portion 4, and first spacing breach 71 has two, is located the ascending both ends of installation basal portion 4 vertical direction respectively, and two first spacing breach 71 parallel arrangement, the wall body of first spacing breach 71 and the lateral wall butt of first spanner 51 are equipped with the arch on the first spacing breach 71.

Embodiment 2 only differs from embodiment 1 in the difference between the shift piece and the limit notch, specifically, as shown in fig. 2, the second shift piece 32 is arc-shaped, the end of the second wrench 52 is the second limit shaft 62, the mounting base 4 is provided with a U-shaped second limit notch 72 for the second limit shaft 62 to go in and out, the two second limit notches 72 are respectively located at two ends of the mounting base 4 in the vertical direction, an included angle is formed between the two second limit notches 72, the included angle is equal to the angle of the movement of the switch on the mounting base 4, the ends of the two second limit notches 72 are overlapped, and the wall body of the two second limit notches 72, which deviates from each other, is abutted against one side wall of the second wrench 52.

The utility model discloses an other structures of circuit breaker are current structure, do not confine to the classification of circuit breaker, as long as this circuit breaker has the structure that is similar to this application switch all can set up this structure of preventing touching as required.

Claims

1. Intelligent moulded case circuit breaker, including shell, display screen and control communication interface, its characterized in that: the middle part of the front end face of the shell is provided with an installation base part and a switch extending and protruding from the installation base part, the switch comprises a shifting piece and a wrench, the wrench penetrates through the shifting piece and is in sliding connection with the shifting piece, and the shifting piece is in sliding connection with the installation base part; the end part of the wrench is a limiting shaft, a U-shaped limiting notch for the limiting shaft to pass in and out is arranged on the mounting base part, and the wall body of the limiting notch is abutted against the side wall of the wrench.

2. The molded case intelligent circuit breaker according to claim 1, wherein: the two limiting notches are respectively positioned at two ends of the installation base part in the vertical direction.

3. The molded case intelligent circuit breaker according to claim 2, wherein: two spacing breach parallel arrangement.

4. The molded case intelligent circuit breaker according to claim 2, wherein: an included angle is formed between the two limiting notches, and the included angle is equal to the moving angle of the switch on the mounting base.

5. A molded case intelligent circuit breaker according to claim 3 or 4, characterized in that: the limiting notch is provided with a bulge.

6. The molded case smart circuit breaker of claim 5, wherein: the shell is provided with a transparent shield covering the installation base, one end of the transparent shield is hinged to the shell, and the other end of the transparent shield is connected with the shell in a clamped mode.