KR20200008766A - High voltage fuse and process thereof - Google Patents

Abstract

The present invention provides a high voltage fuse capable of shortening an assembly process of a high voltage fuse. The high voltage fuse comprises: a housing with a hollow shape; an element disposed inside the housing, wherein both ends are hanged and fixed to the outer circumference of both ends of the housing; and one pair of caps fitted and combined to the ends of the housing and pressing the ends of the element and the outer circumference of the ends of the housing. In addition, the present invention provides a manufacturing process of the high voltage fuse.

Description

High voltage fuse and process thereof

The present invention relates to a high voltage fuse, and more particularly, to a high voltage fuse and a manufacturing process thereof, which can shorten the manufacturing process and prevent the housing from bursting.

In general, when a fuse is overloaded with an electric component in supplying electric power to an electric component from an electric supply source such as a battery, the fuse is to cut off the power supply quickly.

Some of these fuses are used in electrical components in which high voltage is used. Fuses used at high voltage may secondaryly impact the electric parts as the power is delivered to the electric parts through the arc generated when the fuse melts and is blown by the overload.

In order to solve such a problem, it is necessary for the fuse used at high voltage to cut off the arc generated when the blown part is broken.

The conventional high voltage fuse is composed of a cylindrical housing, a pair of caps, and an element disposed inside the housing. The element is disposed inside the housing. Both ends of the element have a ring-shaped structure. The ring-shaped structure is disposed at both ends of the housing.

A pair of caps are fitted and fixed to both ends of the housing. The outer surface of both ends of the housing is formed of a smooth surface. Here, the inner surface of the pair of caps makes a smooth contact with the outer surface of the housing.

Accordingly, when pressure is generated in a housing formed of glass, the pressure leaks to the outside through a space between the cap and the housing. After all, the housing according to the present invention has a problem that pops up by the pressure.

Prior art related to the present invention is Republic of Korea Patent Publication No. 10-2016-0081064 (published date: July 08, 2016).

It is a first object of the present invention to provide a high voltage fuse and a manufacturing process thereof, which can shorten the assembly process of the entire high voltage fuse by forming a pinhole for injecting a sosa into one end of the element.

In addition, a second object of the present invention provides a high-voltage fuse and a manufacturing process thereof that can prevent the housing from bursting when abnormal pressure in the housing is generated by increasing the coupling force between both ends of the element and the outer surface of both ends of the housing. It is.

In order to achieve the above object, the present invention provides a high voltage fuse.

The high voltage fuse includes a hollow housing; An element disposed inside the housing and having both ends fixed to the outer circumference of both ends of the housing; And a pair of caps coupled to both ends of the housing and configured to press both ends of the element and both ends of the housing.

The element may include an element body on a plate having a length in which a plurality of bending sections are formed, and a pair of locking bodies formed at both ends of the element body and fixed to the outer periphery of both ends of the housing. desirable.

The pair of catching bodies includes a first catching body formed at one end of the element body and a second catching body formed at the other end of the element body,

The first catching body is bent to form a right angle from one end of the element body, the first bending body is formed in the cut groove of a predetermined region, and bent at the outer periphery of the first bending body is formed on the outer periphery of the housing Having a first close contact body,

The second locking body is bent to form a right angle from the other end of the element body, the second bending body is formed in a semi-circular plate shape, and bent at the outer circumference of the second bending body to the outer peripheral end of the housing It is desirable to have a second close contact body that is in close contact.

On both outer peripheries of the housing, engaging projection lines are formed,

The locking projection lines are located in an area away from the first and second close contact bodies,

The locking projection lines are preferably in close contact with the inner circumference of the pair of caps.

It is preferable that a plurality of contacts protrude from the first and second contact bodies.

Preferably, the area of the second locking body forms an area smaller than the hollow inner diameter area of the housing.

In another embodiment according to the present invention, the present invention provides a process for manufacturing a high voltage fuse.

The manufacturing process of the high voltage fuse may include a first step of preparing a housing having a hollow shape; A second step of arranging an element inside the housing, the both ends of the element being fixed to both outer peripheries of the housing; A third step of filling the inside of the housing with a soho through an incision groove formed in one of both ends of the element; And a fourth step of coupling the pair of caps to both ends of the pair of housings, and pressing both ends of the element and outer periphery of both ends of the housing.

Preferably, the element is formed of an element body on a plate having a length in which a plurality of bending sections are formed, and a pair of locking bodies formed at both ends of the element body and fixed to the outer circumference of both ends of the housing. Do.

The pair of catching body to have a first catching body formed at one end of the element body, and a second catching body formed at the other end of the element body,

The first catching body is bent to form a right angle from one end of the element body, the first bending body is formed in the cut groove of a predetermined region, and bent at the outer periphery of the first bending body is formed on the outer periphery of the housing Having a first close contact body,

The second locking body is bent to form a right angle from the other end of the element body, the second bending body is formed in a semi-circular plate shape, and bent at the outer circumference of the second bending body to the outer peripheral end of the housing It is desirable to have a second close contact body that is in close contact.

On the outer circumference of both ends of the housing, engaging projection lines are formed, the locking projection lines are positioned in an area deviating from the first and second contact bodies, and the locking projection lines are formed of the pair of caps. It is preferable to be in close contact with the inner circumference.

It is preferable to protrude and form a plurality of contacts on the first and second contact body.

It is preferable to manufacture the area of the second locking body to make an area smaller than the hollow inner diameter area of the housing.

The present invention has the effect of shortening the overall high-voltage fuse assembly process by forming a recess for injecting a sosa into one end of the element.

In addition, the present invention has the effect of preventing the bursting of the housing in the case of abnormal pressure in the housing by increasing the coupling force between the both ends of the element and the outer surface of both ends of the housing.

1 is a perspective view showing the configuration of a high-voltage fuse according to the present invention.
2 is a perspective view showing a housing and an element according to the present invention.
3 is a perspective view showing a state in which the element is coupled to the housing according to the present invention.
Figure 4 is a partial cross-sectional perspective view showing a state in which the housing, the element, the cap is coupled according to the present invention.
5 is a perspective view showing a first catching body according to the present invention.
6 is a partial perspective view showing a state in which the first catching body according to the present invention is coupled to one end of the housing.
7 is a perspective view showing a state in which the cap according to the invention is fastened to both ends of the housing.

Hereinafter, exemplary embodiments of the present invention will be described in detail with reference to the accompanying drawings so that those skilled in the art may easily implement the present invention.

As those skilled in the art would realize, the described embodiments may be modified in various different ways, all without departing from the spirit or scope of the present invention.

In order to clearly describe the present invention, parts irrelevant to the description are omitted, and like reference numerals designate like elements throughout the specification.

Hereinafter, any configuration is provided or disposed on the "top (or bottom)" of the substrate or "top (or bottom)" of the substrate, the arbitrary configuration is provided or disposed in contact with the top (or bottom) of the substrate Means that.

In addition, it is not limited to not including another structure between the said base material and arbitrary structures provided or arrange | positioned on (or under) the base material.

A high voltage fuse according to the present invention will be described.

1 is a perspective view showing the configuration of a high-voltage fuse according to the present invention. 2 is a perspective view showing a housing and an element according to the present invention. 3 is a perspective view showing a state in which the element is coupled to the housing according to the present invention. Figure 4 is a partial cross-sectional perspective view showing a state in which the housing, the element, the cap is coupled according to the present invention. 5 is a perspective view showing a first catching body according to the present invention. 6 is a partial perspective view showing a state in which the first catching body according to the present invention is coupled to one end of the housing. 7 is a perspective view showing a state in which the cap according to the invention is fastened to both ends of the housing.

1 to 7, the high voltage fuse according to the present invention has a housing 100. The housing 100 is formed in a cylindrical shape. The housing 100 is made of glass.

Engaging protrusion lines 110 protrude from the outer circumference of both ends of the housing 100.

The locking protrusion lines 110 are formed in a ring shape. The locking projection lines 110 are formed at regular intervals from each other. The outer ends of the locking protrusion lines 110 may be rounded.

Element 200 according to the present invention is disposed inside the housing 100 described above.

Both ends of the element 200 are fixed to the outer circumference of both ends of the housing 100.

The above configuration will be described in detail.

The element 200 according to the present invention has an element body 230 and a pair of catching bodies 210 and 220.

The element body 230 is a member disposed inside the housing 100. The element body 230 has a plurality of bending sections are formed, it is formed in a plate shape to have a predetermined length.

The pair of catching bodies 210 and 220 are formed at both ends of the element body 230 and are fixed to the outer periphery of both ends of the housing 100.

The pair of catching bodies 210 and 220 may include a first catching body 210 formed at one end of the element body 230 and a second catching body formed at the other end of the element body 230. 220).

The first catching body 210 is bent to form a right angle from one end of the element body 230, the first bending body 211 is formed with a cutting groove 211a of a predetermined region, and the first bending body The first contact body 212 is bent at the outer periphery of the 211 and in close contact with the outer periphery of the housing 100.

The cutting groove 211a may be cut to have a square or curved surface. The cutaway groove 211a forms an opening through which the extinguisher can be inserted into the housing 100.

The second locking body 220 is bent to form a right angle from the other end of the element body 230, the second bending body 221 is formed in a semi-circular plate shape, and the second bending body 221 It is bent at the outer periphery of the second end of the housing 100 is in contact with the outer periphery is composed of a body (222).

Here, the area of the second catching body 220 according to the present invention forms an area smaller than the hollow inner diameter area of the housing 100. Therefore, the second locking body 220 may penetrate the inside of the housing 100 through one end or the other end of the housing 100.

On the other hand, engaging projection lines 110 are formed on the outer periphery of both ends of the housing 100 according to the present invention.

The locking projection lines 110 are located in an area away from the first and second contact bodies 212 and 222.

The locking projection lines 110 are in close contact with the inner circumference of the pair of caps 300.

The first contact body 212 and the second contact body 222 are formed with a plurality of contacts 240 protruding.

The following describes a manufacturing process of a high voltage fuse according to the present invention. The configuration number of the high voltage fuse is referred to the above drawings.

First stage

The housing 100 shown in FIG. 2 is prepared. The housing 100 is formed of glass. The housing 100 is formed in a hollow shape. The outer periphery of both ends of the housing 100 forms a state in which the engaging projection lines 110 are formed.

2nd step, 3rd step

The element 200 shown in FIG. 2 is prepared.

The element 200 according to the present invention is formed on both sides of the element body 230 and the element body 230 on the plate having a length in which a plurality of bending sections are formed, both ends of the housing 100 It is formed by a pair of locking bodies (210, 220) fixed to the outer periphery.

The first catching body 210 formed at one end of the pair of catching bodies 210 and 220 and the second catching body formed at the other end of the element body 230. 220 to be provided.

The first bending body 210 is bent to form a right angle from one end of the element body 230, the first bending body 211 is formed a cutting groove 211a of a predetermined region, and the first bending body It is formed to have a first contact body 212 is bent at the outer circumference of the 211 is in close contact with the outer circumference of the housing (100).

The second locking body 220 is bent to form a right angle from the other end of the element body 230, the second bending body 221 is formed in a semi-circular plate shape, and the second bending body 221 Is formed to have a second close contact body 222 is bent from the outer circumference of the other end of the housing 100 in close contact.

Such an element 200 is disposed inside the housing 100, and both ends of the element 200 are fixed to the outer circumference of both ends of the housing 100.

Meanwhile, the area of the second locking body 220 is manufactured to have an area smaller than the hollow inner diameter cross-sectional area of the housing 100.

The first and second catching bodies 210 and 220 of the element 200 manufactured as described above form a state in parallel with the element body 230. That is, the first and second catching bodies 210 and 220 form a state before bending.

The second catching body 220 as described above passes through the inside of the housing 100 so as to be positioned at the other end through one end of the housing 100.

Subsequently, the first and second catching bodies 210 and 220 are bent to be orthogonal to the element body 230.

The first and second close contact bodies 212 and 222 are bent to be in close contact with the outer circumference of both ends of the housing 100.

Sohosa is filled in the interior of the housing 100 through the cutting groove (211a) formed in the first bending body 211.

Accordingly, the housing 100 and the element 200 are coupled to each other. Soho is filled in the interior of the housing (100).

4th step

A pair of caps 300 are fitted to both ends of the pair of housings 100, and press both ends of the element 200 and outer peripheries of both ends of the housing 100.

Here, the engaging projection lines 110 formed on the outer periphery of both ends of the housing 100 according to the present invention is positioned in an area deviating from the first and second contact bodies 212 and 222.

Then, the locking projection lines 110 are in close contact with the inner circumference of the pair of caps 300.

On the other hand, the first contact body 212 and the second contact body 222 a plurality of contacts 240 are formed in advance. The plurality of contacts 240 may be caulked so as to be in close contact with the inner circumference of the pair of caps 300.

Through the above-described configuration and action, the present invention has the effect of shortening the assembly process of the high-voltage fuse as a whole by forming a furrow groove for injecting the extinguisher in one end of the element.

In addition, the present invention has the effect of preventing the bursting of the housing in the case of abnormal pressure in the housing by increasing the coupling force between the both ends of the element and the outer surface of both ends of the housing.

As mentioned above, although the specific Example regarding the high voltage fuse of this invention and its manufacturing process was demonstrated, it is clear that various implementation variations are possible without departing from the scope of the present invention.

Therefore, the scope of the present invention should not be limited to the described embodiments, but should be defined by the claims below and equivalents thereof.

That is, the above-described embodiments are to be understood in all respects as illustrative and not restrictive, the scope of the invention being indicated by the following claims rather than the detailed description, and the meaning and scope of the claims and All changes or modifications derived from the equivalent concept should be construed as being included in the scope of the present invention.

100: housing
110: hanging projection line
200: element
210: first locking body
211: first bending body
211a: Incision groove
212: first contact body
220: second locking body
221: second bending body
222: second close contact body
230: element body
240: contact point
300 cap

Claims (12)

Hollow shaped housing;
An element disposed inside the housing and having both ends fixed to the outer circumference of both ends of the housing; And,
A pair of caps fitted to both ends of the housing and configured to press both ends of the element and outer peripheries of both ends of the housing;
High voltage fuse.
The method of claim 1,
The element is,
An element body on a plate having a length in which a plurality of bending sections are formed,
Is formed on both ends of the element body, including a pair of locking body is fixed to the outer circumference of both ends of the housing,
High voltage fuse.
The method of claim 2,
The pair of locking bodies,
A first locking body formed at one end of the element body and a second locking body formed at the other end of the element body,
The first catching body,
A first bending body that is bent at an angle from one end of the element body and has a cutout groove formed in a predetermined region;
A first contact body that is bent at an outer circumference of the first bent body and adheres to an outer circumference of one end of the housing,
The second catching body,
A second bending body which is bent at right angles from the other end of the element body and formed in a semicircular plate shape;
A second contact body which is bent at an outer circumference of the second bending body and adhered to the outer circumference of the other end of the housing,
High voltage fuse.
The method of claim 3, wherein
On the outer periphery of both ends of the housing,
Jamming lines are formed,
The locking projection lines,
Located in an area away from the first and second contact bodies,
The locking projection lines,
In close contact with the inner circumference of the pair of caps,
High voltage fuse.
The method of claim 3, wherein
In the first contact body and the second contact body,
A plurality of contacts protrude,
High voltage fuse.
The method of claim 3, wherein
The area of the second catching body,
Forming an area smaller than the hollow inner diameter area of the housing,
High voltage fuse.
A first step of preparing a housing having a hollow shape;
A second step of arranging an element inside the housing, the both ends of the element being fixed to both outer peripheries of the housing;
A third step of filling the inside of the housing with a soho through an incision groove formed in one of both ends of the element; And,
A fourth step of coupling the pair of caps to both ends of the pair of housings, and pressing both ends of the element and outer peripheries of both ends of the housing;
Manufacturing process of high voltage fuses.
The method of claim 7, wherein
The element
An element body on a plate having a length in which a plurality of bending sections are formed,
Is formed on both ends of the element body, and formed as a pair of locking body is fixed to the outer periphery of the both ends of the housing,
Manufacturing process of high voltage fuses.
The method of claim 8,
The pair of catching body,
To have a first catching body formed at one end of the element body, and a second catching body formed at the other end of the element body,
The first catching body,
A first bending body which is bent at an angle from one end of the element body and has a cutout groove formed in a predetermined region;
A first contact body which is bent at an outer circumference of the first bent body and adheres to an outer circumference of one end of the housing,
The second catching body,
A second bending body which is bent to form a right angle from the other end of the element body and is formed in a semicircular plate shape;
A second contact body bent at an outer circumference of the second bending body and in close contact with the outer circumference of the other end of the housing;
Method of manufacturing high voltage fuses.
The method of claim 9,
On the outer periphery of both ends of the housing,
Form hanger lines,
The engaging projection lines,
Positioned in an area away from the first and second contact bodies,
The engaging projection lines,
In close contact with the inner circumference of the pair of caps,
Method of manufacturing high voltage fuses.
The method of claim 9,
In the first contact body, and the second contact body,
Protruding a plurality of contacts,
Method of manufacturing high voltage fuses.
The method of claim 9,
The area of the second locking body,
To make an area smaller than the hollow inner diameter area of the housing,
Method of manufacturing high voltage fuses.

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