CN114068254A

CN114068254A - Universal circuit breaker

Info

Publication number: CN114068254A
Application number: CN202111366288.0A
Authority: CN
Inventors: 潘璇; 侯魁; 戴罡; 葛飞; 刘丰丰; 王�忠
Original assignee: Jiangsu Daquan Kaifan Switch Co ltd
Current assignee: Jiangsu Daquan Kaifan Switch Co ltd
Priority date: 2021-11-18
Filing date: 2021-11-18
Publication date: 2022-02-18

Abstract

The utility model provides a universal circuit breaker, relates to low-voltage apparatus components and parts equipment field, includes: the base component comprises a base and a moving contact, the bottom plate component comprises a bottom plate and a fixed contact, and the lower half part of the bottom plate reserves a part of space for the mutual inductor; the mutual inductor is fixed on the outer side of the bottom plate; the mutual inductor both ends all have the joint structure who is used for fixed looks division board.

Description

Universal circuit breaker

Technical Field

The invention relates to the field of low-voltage electrical apparatus component equipment, in particular to a universal circuit breaker.

Background

In the low-voltage electrical appliance industry, a mutual inductor of a universal circuit breaker is generally installed inside the circuit breaker, and due to the fact that the space is limited, heat is not easy to dissipate in time, the temperature is increased, and the service life of a product is shortened. In addition, when the mutual inductor is damaged and needs to be replaced, the product needs to be disassembled, time and energy are consumed, and the mutual inductor is inconvenient and not fast.

Disclosure of Invention

The invention aims to provide a universal circuit breaker to solve the problems.

The embodiment of the invention is realized by the following steps:

in one aspect of the embodiments of the present invention, there is provided a universal circuit breaker, including: the device comprises a base component, a bottom plate component, a mutual inductor and a wire outlet row, wherein the base component comprises a base and a moving contact, the bottom plate component comprises a bottom plate and a fixed contact,

the lower half part of the bottom plate reserves a part of space for the mutual inductor;

the mutual inductor is fixed on the outer side of the bottom plate;

the mutual inductor both ends all have the joint structure who is used for fixed looks division board.

Optionally, the moving contact motion cavity is V-shaped.

Optionally, the mutual inductor is fixed to the outer side of the bottom plate through a screw connector.

Optionally, the threaded member comprises a screw.

Optionally, the clamping structure is of an L-shaped character.

Optionally, two of the clamping structures at two ends of the transformer are symmetrically distributed.

Optionally, the vertical and horizontal surfaces of the L-shaped feature are fixedly seen from the partition plate in the front-back direction and the up-down direction, respectively.

Optionally, the upper hook of the mutual partition board is fixed on the bottom board.

The embodiment of the invention has the beneficial effects that: the application provides an among the conventional circuit breaker, because external fixed mode not only helps the heat dissipation, reduces the mutual-inductor temperature, convenient the change moreover, easy operation still possesses the structural feature of fixed looks space bar simultaneously, and is simple convenient.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.

Fig. 1 is a schematic structural diagram of a conventional circuit breaker according to an embodiment of the present invention;

FIG. 2 illustrates a cross-sectional view of a contact system according to one embodiment of the present application;

FIG. 3 is a schematic diagram of a transformer according to an embodiment of the present application;

fig. 4 is a schematic view of the middle area of the adjacent lower hook of the partition in the present application.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, 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 some, but not all, embodiments of the present invention. The components of embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. 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.

It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings or the orientations or positional relationships that the products of the present invention are conventionally placed in use, and are only used for convenience in describing the present invention and simplifying the description, but do not indicate or imply that the devices or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," and the like are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance.

Furthermore, the terms "horizontal", "vertical" and the like do not imply that the components are required to be absolutely horizontal or pendant, but rather may be slightly inclined. For example, "horizontal" merely means that the direction is more horizontal than "vertical" and does not mean that the structure must be perfectly horizontal, but may be slightly inclined.

In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

The circuit breaker is a switching device capable of closing, carrying, and opening/closing a current under a normal circuit condition and a current under an abnormal circuit condition within a prescribed time. The circuit breakers are divided into high-voltage circuit breakers and low-voltage circuit breakers according to the application range, the high-voltage and low-voltage boundary lines are relatively vague, and the circuit breakers above 3kV are generally called high-voltage electric appliances.

The circuit breaker can be used for distributing electric energy, starting an asynchronous motor infrequently, protecting a power supply circuit, the motor and the like, and automatically cutting off a circuit when faults such as serious overload, short circuit, undervoltage and the like occur, and the function of the circuit breaker is equivalent to the combination of a fuse type switch, an over-under-heat relay and the like. Furthermore, no parts need to be changed after breaking the fault current. Has been widely used.

Distribution of electricity is an extremely important link in the generation, transmission and use of electricity. The distribution system comprises a transformer and various high-low voltage electrical equipment, and the low-voltage circuit breaker is an electrical appliance with a large using amount.

Fig. 1 to 4 are schematic structural views of the present invention. The fixing method of the universal circuit breaker transformer 3 according to the present invention will be further described with reference to the accompanying drawings.

The invention provides the following technical scheme: the lower half part of the circuit breaker bottom plate 21 reserves a part of space for the mutual inductor 3, and the whole moving contact 12 moving cavity 5 is V-shaped, so that the gas can move upwards. The mutual inductor 3 is installed outside the bottom plate 21 and fixed by screws. The transformer 3 has L-shaped features 31 at both ends which can be used to fix the phase spacers. Through adopting above-mentioned technical scheme, simple structure can effectively dispel the heat, reduces the temperature rise, easily dismantles and changes, is convenient for install the looks division board.

Fig. 1 shows a universal circuit breaker according to the present invention, which only lists some parts, including a base assembly 1, a bottom plate assembly 2, a transformer 3, and an outlet row 4. The base component 1 includes a base 11 and a movable contact 12, and the base component 2 includes a base plate 21 and a fixed contact 22.

Figure 2 shows a cross-sectional view of the contact system. Because mutual inductor 3 is external, make the motion cavity 5 space that is close to the female lower extreme that arranges 8 of circle diminish, whole motion cavity 5 presents the big V style of calligraphy cavity that the lower extreme is little of upper end, and the reduction in space makes gaseous better to the upper end motion, is favorable to getting into explosion chamber 6.

Fig. 3 shows a transformer 3 according to the invention. The two ends of the mutual inductor 3 are provided with L-shaped symmetrical characteristics and can be used for fixing the mutual inductor 3. The vertical and horizontal faces of the L-shaped feature 31 are fixedly seen from the partition in the front-back direction and the up-down direction, respectively.

Fig. 4 shows the intermediate area of the adjacent partition wall where the lower hook of the partition wall can be fixed. The upper hook of the partition board is fixed on the bottom board 21. Because the mutual inductor 3 has the L-shaped symmetrical characteristic, the lower hook of the mutual inductor 3 is not fixed on the bottom plate 21, and the method is simple and convenient. The application provides an among the conventional circuit breaker, because external fixed mode not only helps the heat dissipation, reduces the mutual-inductor temperature, convenient the change moreover, easy operation still possesses the structural feature of fixed looks space bar simultaneously, and is simple convenient.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A universal circuit breaker, comprising: the base component comprises a base and a moving contact, the bottom plate component comprises a bottom plate and a fixed contact, and the lower half part of the bottom plate reserves a part of space for the mutual inductor; the mutual inductor is fixed on the outer side of the bottom plate; the mutual inductor both ends all have the joint structure who is used for fixed looks division board.

2. The universal circuit breaker as claimed in claim 1, wherein said movable contact movement chamber is V-shaped.

3. Conventional circuit breaker according to claim 1, characterized in that the transformer is fixed to the outside of the base plate by means of screws.

4. Universal circuit breaker according to claim 3, characterized in that said screw connection comprises a screw.

5. The universal circuit breaker according to claim 3, wherein said snap-in structure is an L-shaped feature.

6. The universal circuit breaker according to claim 5, wherein said two clamping structures at the two ends of said transformer are symmetrically arranged.

7. A conventional circuit breaker according to claim 6, wherein the vertical and horizontal surfaces of the L-shaped feature are fixed to the partition plate from the front-back direction and the up-down direction, respectively.

8. A universal circuit breaker according to claim 7 wherein said upper catch of said phase separator is fixed to said base plate.