CN219085917U

CN219085917U - Electric automatization overheat protection module

Info

Publication number: CN219085917U
Application number: CN202320165119.9U
Authority: CN
Inventors: 殷继红; 浦骏
Original assignee: Tianjin Shiying Technology Co ltd
Current assignee: Tianjin Shiying Technology Co ltd
Priority date: 2023-02-09
Filing date: 2023-02-09
Publication date: 2023-05-26
Anticipated expiration: 2033-02-09

Abstract

The utility model relates to the technical field of electric automation auxiliary equipment, in particular to an electric automation overheat protection module, which comprises a module shell, wherein a plurality of fixed connection plates are fixedly connected to the outer wall of the module shell, the fixed connection plates are fixedly connected through screws, wiring shells are fixedly connected to the left end and the right end of the module shell, a support column is fixedly connected to the middle of the inside of the module shell, and an overheat protection device is arranged on the outer wall of the support column. Through the cooperation between high temperature resistant electric wire, first metal sheet and the second metal sheet, the dynamics of inflation is limited, when the temperature reaches electrical component's critical value, the second metal sheet just in time separates with first metal sheet to outage, can not produce the temperature, not remind the user to cool down electrical component, because the coefficient of thermal expansion of second metal sheet is less than the air far away, so can not be because of the temperature slightly reduces and the circular telegram, make electrical component can not be in the environment of high temperature all the time, thereby realize the overheat protection to electrical component.

Description

Electric automatization overheat protection module

Technical Field

The utility model relates to the technical field of electric automation auxiliary equipment, in particular to an electric automation overheat protection module.

Background

The electric automation means that the operation, control and monitoring of the product can be automatically operated according to a preset plan or program without or with little participation of people, various electric elements are needed in the process of realizing the electric automation, a large amount of heat is often generated by the electric elements after the electric elements are electrified, the electric elements are burnt out when the temperature is too high, and an electric automation overheat protection module is needed to fix the electric elements.

For example, although the above document can realize overheat protection of an electrical component, when the above document is used, the electrical automatic overheat protection module in the document heats up to a specified temperature by using air, and then expands thermally to open the soft cover body, so that the internal hot air and the external cold air are replaced, but due to the higher thermal expansion coefficient of the air, when the external air just enters the module, the temperature of the air is slightly reduced, the expansion force of the air is reduced, and the soft cover body is closed, so that the electrical component is always in a high-temperature environment, and the damage probability of the electrical component is increased.

Disclosure of Invention

The utility model aims to solve the problems that the thermal expansion coefficient of air is high, so that when external air just enters the module, the temperature of the air is slightly reduced, the expansion force of the air is reduced, and a soft cover body is closed, so that an electric element is always in a high-temperature environment, and the damage probability of the electric element is increased.

In order to achieve the above purpose, the present utility model provides the following technical solutions:

the utility model provides an electric automatization overheat protection module, includes the module shell, the outer wall rigid coupling of module shell has a plurality of fixed connection boards, through the screw looks rigid coupling between the fixed connection board, the both ends all rigid coupling has the wiring shell about the module shell, the rigid coupling has the pillar in the middle of the inside of module shell, the outer wall of pillar is provided with overheat protection device.

Preferably, the overheat protection device comprises a high-temperature-resistant wire, the high-temperature-resistant wire is wound on the outer wall of the support column, two ends of the high-temperature-resistant wire are fixedly connected with the first metal plate, and one side of the outer wall of the first metal plate is attached to the second metal plate.

Preferably, one end of the second metal plate is fixedly connected with the binding post, and both ends of the binding post are fixedly connected with the binding post shell.

Preferably, a U-shaped winding groove is formed in the outer wall of the binding post.

Preferably, the other side of the outer wall of the first metal plate is fixedly connected with a fixed block, and one end of the fixed block is fixedly connected with the module shell.

The utility model provides an electric automatic overheat protection module, which has the beneficial effects that: through the cooperation between high temperature resistant electric wire, first metal sheet and the second metal sheet, the electric current flows into in the second metal sheet through the terminal, the second metal sheet can be because thermal expansion coefficient is higher, thereby can heat up gradually after connecing the electricity, because the one end of second metal sheet is fixed, the other end can be gradually upwards crooked, the second metal sheet can make first metal sheet circular telegram, because the thermal expansion coefficient of first metal sheet is less, thereby the dynamics of inflation is limited, when the temperature reaches electrical component's critical value, the second metal sheet just in time separates with first metal sheet, thereby outage, can not produce the temperature, do not remind the user to cool down electrical component, because the thermal expansion coefficient of second metal sheet is less than the air far away, so can not be circular telegram because of the temperature reduces slightly, make electrical component can not be in the environment of high temperature all the time, thereby realize the overheat protection to electrical component.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is a schematic front plan view of the interconnect structure of FIG. 1;

FIG. 3 is an enlarged perspective view of the connection structure of the post, U-shaped winding groove and semi-arc rubber ring of FIG. 2;

fig. 4 is a schematic diagram of a connection structure at a in fig. 2.

In the figure: 1. module shell, 2, wiring shell, 3, fixed connection board, 4, overheat protection device, 401, high temperature resistant electric wire, 402, first metal sheet, 403, second metal sheet, 4A1, half arc rubber ring, 5, pillar, 6, fixed block, 7, terminal, 8, U-shaped winding groove.

Detailed Description

The utility model is further described below with reference to the accompanying drawings:

example 1:

referring to fig. 1-4, in this embodiment: the utility model provides an electric automatization overheat protection module, including module shell 1, module shell 1's outer wall rigid coupling has a plurality of fixed connection boards 3, through the screw looks rigid coupling between the fixed connection board 3, can unpack apart module shell 1 through twisting the screw, module shell 1's the both ends all rigid coupling has wiring shell 2 about, wiring shell 2 inside is connected with external electric wire, module shell 1's inside centre rigid coupling has pillar 5, pillar 5 is made for insulating magnetic material, can not produce magnetism, pillar 5's outer wall is provided with overheat protection device 4.

Referring to fig. 2 and 4, the overheat protection device 4 includes a high temperature resistant wire 401, a first metal plate 402 and a second metal plate 403, the high temperature resistant wire 401 is wound around the outer wall of the pillar 5, both ends of the high temperature resistant wire 401 are fixedly connected with the first metal plate 402, the high temperature resistant wire 401 can transmit electric current to the first metal plate 402, the first metal plate 402 generates heat due to the passing of the electric current, so as to expand and bend, the first metal plate 402 is made of a tin metal material with a smaller thermal expansion coefficient, one side of the outer wall of the first metal plate 402 is attached to the second metal plate 403, the first metal plate 402 transmits the electric current to the second metal plate 403, the second metal plate 403 is heated and expands, and the second metal plate 403 is made of a cadmium metal material with a higher thermal expansion coefficient;

the current flows into the second metal plate 403 through the binding post 7, the second metal plate 403 will gradually increase in temperature after power connection because of higher thermal expansion coefficient, because one end of the second metal plate 403 is fixed, the other end of the second metal plate 403 will gradually bend upwards, the second metal plate 403 will energize the first metal plate 402, because the thermal expansion coefficient of the first metal plate 402 is smaller, the expansion force is limited, when the temperature reaches the critical value of the electrical element, the second metal plate 403 is just separated from the first metal plate 402, thereby the power is off, the temperature will not be generated, the user is not reminded to cool the electrical element, because the thermal expansion coefficient of the second metal plate 403 is far smaller than that of air, the power will not be supplied because of the slight decrease of the temperature, the electrical element will not be always in the high temperature environment, and overheat protection of the electrical element is realized.

One end of the second metal plate 403 is fixedly connected with the binding post 7, the second metal plate 403 sends current to the binding post 7, the binding post 7 is made of copper metal materials, two ends of the binding post 7 are fixedly connected with the binding post housing 2, plastic materials outside the binding post housing 2 are made of insulating materials, a U-shaped winding groove 8 is formed in the outer wall of the binding post 7, an external wire is wound on the U-shaped winding groove 8, so that the module is connected in series into an electric element, overheat protection is carried out on the electric element, the other side of the outer wall of the first metal plate 402 is fixedly connected with the fixing block 6, the fixing block 6 is used for supporting one end of the first metal plate 402, and one end of the fixing block 6 is fixedly connected with the module housing 1.

Working principle:

when the electric automatic overheat protection module is used, firstly, a user winds an external wire in the U-shaped winding groove 8 of the binding post 7, so that the module is connected in series into an electric element to overheat and protect the electric element, along with the starting of the electric element, current flows into the second metal plate 403 through the binding post 7, the second metal plate 403 is higher in thermal expansion coefficient, so that the temperature is gradually increased after the electric element is connected, one end of the second metal plate 403 is fixed, the other end of the second metal plate 403 is gradually bent upwards, the first metal plate 402 is electrified, the thermal expansion coefficient of the first metal plate 402 is smaller, the expansion force is limited, the second metal plate 403 is just separated from the first metal plate 402 when the temperature reaches the critical value of the electric element, so that the temperature is not generated, the user is not reminded of cooling the electric element, the electric element is not always in a high-temperature environment because the thermal expansion coefficient of the second metal plate 403 is far smaller than air, and the electric element is not electrified because the temperature is slightly reduced, and the overheat protection device of the electric element is completed.

Example 2:

referring to fig. 2 and 3, in this embodiment: an electric automatic overheat protection module, wherein an overheat protection device 4 is further arranged in a wiring housing 2, the overheat protection device 4 comprises a semi-arc rubber ring 4A1, the outer wall of the semi-arc rubber ring 4A1 is fixedly connected with the wiring housing 2, the semi-arc rubber ring 4A1 is made of hard rubber materials, external wires can be wound more conveniently by utilizing the radian of the inner wall of the semi-arc rubber ring 4A1, and the inner wall of the semi-arc rubber ring 4A1 is attached to a binding post 7;

the user utilizes the inner wall radian of half arc rubber ring 4A1 through the outer wall installation half arc rubber ring 4A1 at terminal 7, can more conveniently twine external electric wire to be convenient for connect.

Working principle:

when the embodiment works, a user can more conveniently wind external wires by installing the semi-arc-shaped rubber ring 4A1 on the outer wall of the binding post 7 and utilizing the radian of the inner wall of the semi-arc-shaped rubber ring 4A1, so that the connection is convenient, and the device is used.

While the utility model has been shown and described with reference to a preferred embodiment, it will be understood by those of ordinary skill in the art that various changes in form and details may be made therein without departing from the scope of the utility model.

Claims

1. An electric automatization overheat protection module, comprising a module housing (1), characterized in that: the outer wall rigid coupling of module shell (1) has a plurality of fixed connection boards (3), fixed connection board (3) are mutually rigid coupling through the screw, the both ends all rigid coupling has wiring shell (2) about module shell (1), the internal middle rigid coupling of module shell (1) has pillar (5), the outer wall of pillar (5) is provided with overheat protection device (4).

2. An electrically automated overheat protection module according to claim 1, wherein: the overheat protection device (4) comprises a high-temperature-resistant wire (401), the high-temperature-resistant wire (401) is wound on the outer wall of the support column (5), two ends of the high-temperature-resistant wire (401) are fixedly connected with a first metal plate (402), and one side of the outer wall of the first metal plate (402) is attached to a second metal plate (403).

3. An electrically automated overheat protection module according to claim 2, wherein: one end of the second metal plate (403) is fixedly connected with the binding post (7), and two ends of the binding post (7) are fixedly connected with the binding post shell (2).

4. An electrically automated overheat protection module according to claim 3, wherein: u-shaped winding grooves (8) are formed in the outer wall of the binding post (7).

5. An electrically automated overheat protection module according to claim 2, wherein: the other side of the outer wall of the first metal plate (402) is fixedly connected with a fixed block (6), and one end of the fixed block (6) is fixedly connected with the module shell (1).