KR20190118787A - High voltage fuse and method for manufacturing thereof - Google Patents

Abstract

The present invention relates to a high voltage fuse capable of uniformly hardening sand in a housing unit to express stable performance. The high voltage fuse comprises: a housing unit having a hollow part where sand is filled; a pair of terminal units installed on both ends of the housing unit and sealing the hollow part; a plurality of fuse elements disposed in the hollow part of the housing unit and connecting the pair of terminal units; and a plurality of water glass pipes disposed in the hollow part of the housing unit and supplying water glass to the hollow part from a plurality of positions. The present invention further relates to a method for manufacturing the high voltage fuse.

Description

HIGH VOLTAGE FUSE AND METHOD FOR MANUFACTURING THEREOF

The present invention relates to a high voltage fuse and a method for manufacturing the same, and more particularly, to a high voltage fuse and a method for manufacturing the same, which can effectively cure the curing of the extinguishing material filled in the fuse.

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 voltages may secondaryly impact the electric parts as the power is delivered to the electric parts through an arc generated when the fuse melts and is blown by an overload.

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

To this end, a small material including sand and water glass (water glass) is filled in the space in which the melted part is accommodated to surround the melted part.

However, the work of filling the arc extinguishing material in the space in which the melted part is accommodated has a very troublesome problem.

In order to fill the inner space of the fuse without gaps, it is preferable that the arc extinguishing material is made of sand, but it is preferable that the housing part and the fuse terminal are fully coupled to each other. Since it should be, there is a problem that the extinguishing material is not completely filled inside the housing portion.

In addition, conventionally, sand and water glass is to be filled with the extinguishing material in such a manner as to sequentially laminated in the housing portion of the fuse. That is, the filling of the extinguishing material is repeated by repeating the process of introducing the water glass after the sand is introduced into the housing part.

However, when filling the sand and water glass in a laminated type as described above, there is a problem that the curing is not partially completed in the housing portion. That is, there is a problem that the anti-fogging material is not cured as a whole in the housing.

Accordingly, there is a problem that the performance of the high-voltage fuse itself is deteriorated in the related art.

Prior art related to the present invention is Republic of Korea Patent Publication No. 10-2017-0139955 (published date: December 20, 2017).

In order to solve the above problems, an object of the present invention is to uniformly cure the sand in the housing part so that stable performance is started by putting the water glass at a predetermined pressure at a number of locations of the sand contained in the housing part at the same time. To provide a high voltage fuse and a method for manufacturing the same.

In addition, another object of the present invention is to provide a high-voltage fuse and a method for manufacturing the same by additionally installing the one-glass glass pipe between the terminal portions provided at both ends of the housing portion.

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

The high voltage fuse includes a housing part having a hollow filled with sand; A pair of terminal portions provided at both ends of the housing portion to seal the hollow; A plurality of fuse elements disposed in the hollow of the housing part and connecting the pair of terminal parts; And a plurality of water glass pipes disposed in the hollow of the housing part and supplying the water glass to the hollow at a plurality of positions.

Each of the plurality of water glass pipes, one end is open, and includes a pipe body is formed therein and a plurality of supply holes formed in the pipe body,

The pipe body has a pair of support surfaces that form a right angle and a curved surface that connects between the pair of support surfaces and forms an outwardly convex curvature,

Preferably, the plurality of supply holes are formed in the curved surface.

The pair of terminal portions include a first terminal portion and a second terminal portion,

In the second terminal portion, a plurality of sand supply holes and a plurality of water glass supply holes are formed,

The other end of the pipe body is supported by the first terminal portion,

The opening of the pipe body is connected to any one of the plurality of water glass supply holes,

The plurality of sand supply holes are exposed to the hollow of the housing part,

A plurality of first caps are coupled to the plurality of sand supply holes,

Preferably, a plurality of second caps are coupled to the plurality of water glass supply holes.

After the water glass is supplied to the inner flow path of the pipe body, sand is preferably provided from the outside and filled.

On the inner surface of the pair of terminal portions, a pair of square supporting members is formed to protrude,

At four corners of each of the pair of supporting members, seating grooves on which both ends of each of the plurality of water glass pipes are seated are formed.

Preferably, three outer peripheral surfaces of each of the supporting members are formed with supporting grooves on which both ends of each of the plurality of fuse elements are supported.

The curved surface of each of the plurality of water glass pipes is preferably arranged to face a space surrounded by the plurality of fuse elements.

The present invention also provides a method of manufacturing a high voltage fuse.

The high voltage fuse manufacturing method includes a first step of preparing a fuse in which a plurality of fuse elements and a plurality of water glass pipes are installed; A second step of supplying sand to an internal space of the fuse through a plurality of sand supply holes formed at one end of the fuse; Supplying water glass to the plurality of water glass pipes through a plurality of water glass supply holes formed at one end of the fuse, and forcibly supplying the supplied water glass to a plurality of internal spaces of the fuse; Step 3; A fourth step of additionally supplying sand through the plurality of sand supply holes to fill the inner space; A fifth step of filling sand into the plurality of water glass pipes through the plurality of water glass supply holes, and sealing the plurality of sand supply holes and the plurality of water glass supply holes. .

In the second step, it is preferable to supply the sand to make the volume of the internal space and the volume of the sand supplied to the internal space 10: 9.

Each of the plurality of water glass pipes includes a pipe body having one end open and a flow path formed therein, and a plurality of supply holes formed in the pipe body, wherein the water glass is supplied with the plurality of supply holes. It is preferable to supply to the internal space through.

To the open end formed in the pipe body, to connect the water glass supply for supplying the water glass at a set pressure,

Using the water glass feeder, it is preferable to forcibly supply the water glass to the set pressure to the inner flow path of each of the plurality of water glass pipes.

In the fifth step, the plurality of first caps are coupled to the plurality of sand supply holes to seal the plurality of sand supply holes. A plurality of second caps may be coupled to the plurality of water glass supply holes to seal the plurality of water glass supply holes.

In the first step, the plurality of fuse elements are arranged in a square shape to form four corners, the water glass pipe is arranged to be located at the four corners,

In the third step, it is preferable to supply the water glass to a plurality of locations in the space surrounded by the plurality of fuse elements through the plurality of supply holes of each of the plurality of water glass pipes.

According to the above solution, the present invention is effected by uniformly curing the sand in the housing portion so that stable performance is started by putting the water glass at a predetermined pressure at a plurality of positions of the sand contained in the housing portion at the same time. Has

In addition, the present invention, by additionally installing the glass glass pipes between the terminal portions provided on both ends of the housing portion, there is an effect that can secure an additional support force.

1 is a perspective view showing a high voltage fuse of the present invention.
Figure 2 is a perspective view showing the interior of the high voltage fuse according to the present invention.
3A is a front view showing the high voltage fuse according to the present invention shown in FIG.
Figure 3b is a partial perspective view showing a state in which the fuse element according to the present invention is installed.
4 is a perspective view showing a water glass pipe according to the present invention.
5 is a perspective view illustrating a state in which fuse elements and water glass pipes are installed in terminal parts according to the present invention.
Figure 6 is a perspective view showing a state in which a predetermined amount of sand and water glass is supplied to the inside of the housing portion according to the present invention.
7 is a perspective view showing a state filled with sand in the water glass pipes according to the present invention.
8 is a perspective view showing a state in which the sand supply holes and the water glass supply holes according to the present invention are closed.

DETAILED DESCRIPTION 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, that any 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 any structure provided or arrange | positioned on (or under) the base material.

Hereinafter, a high voltage fuse of the present invention will be described with reference to the accompanying drawings.

1 is a perspective view showing a high voltage fuse of the present invention. Figure 2 is a perspective view showing the interior of the high voltage fuse according to the present invention. 3A is a front view showing the high voltage fuse according to the present invention shown in FIG. Figure 3b is a partial perspective view showing a state in which the fuse element according to the present invention is installed. 4 is a perspective view showing a water glass pipe according to the present invention.

1 to 4, the high voltage fuse of the present invention includes a housing part 600, a pair of terminal parts 100 and 200, a plurality of fuse elements 400, and a plurality of water glass pipes 500. ).

The pair of terminal parts 100 and 200 are spaced apart from each other by a predetermined distance.

Here, the pair of terminal parts 100 and 200 may be composed of a first terminal part 100 and a second terminal part 200.

A plurality of sand supply holes 210 and a plurality of water glass supply holes 220 may be drilled in the second terminal part 200. The action of the plurality of sand supply holes 210 and the plurality of water glass supply holes 220 will be described later.

A plurality of fuse elements 400 are installed between the first and second terminal parts 100 and 200. It is preferable that the number of the fuse elements 400 is four. Of course, the number of the fuse elements 400 is not limited to four.

The plurality of fuse elements 400 may be arranged to form a square shape or to form four corners.

Both ends of each fuse element 400 may be fixed to the first and second terminal parts 100 and 200.

Here, the support members 300 protrude from the inner surfaces of the first and second terminal parts 100 and 200, respectively.

Each support member 300 may be formed of a rectangular projection as a whole. Thus, each support member 300 has four perimeters and four corner portions formed.

Both ends of the four fuse elements 400 may be fitted into and fixed to the support grooves 310 formed around the four surfaces of the respective support members 300.

In addition, the four seating grooves 320 are formed at four corners of the respective supporting members 300, respectively. The seating groove 320 is a groove into which the end of the water glass pipe 500 is fitted and fixed according to the present invention.

Here, the plurality of water glass pipes 500 according to the present invention may be provided as four. Four water glass pipes 500 are respectively disposed at the four corner portions formed by the four fuse elements 400 described above. Both ends of the four water glass pipes 500 may be fitted into and fixed to the corresponding mounting grooves 320 formed on the respective support members 300 formed on the first and second terminal parts 100 and 200.

Accordingly, a space surrounded by four fuse elements 400 may be formed as a whole, and each water glass pipe 500 may be disposed at the corners of the four fuse elements 400.

Here, the plurality of water glass pipes 500 according to the present invention are formed in the same shape with each other. The water glass pipe 500 has a pipe body 510 having a predetermined length and supply holes 520.

One end of the pipe body 510 is opened, the other end is sealed, and a flow path is formed therein.

The pipe body 510 may be formed of a pair of support surfaces 511 orthogonal to each other, and a curved surface 512 connecting the pair of support surfaces 511 and formed in a convex shape to the outside. .

Here, supply holes 520 may be formed in the curved surface 512. The supply holes 520 are holes for spraying water glass.

In addition, the curved surface 512 of the four water glass pipes 500 according to the present invention is disposed to be exposed to a space formed by the four fuse elements 400. Therefore, the supply holes 520 formed in the curved surface 512 may be disposed toward the space.

In addition, according to the present invention, the housing portion 600 is formed in a cylindrical shape, is coupled to the outer periphery of the first and second terminal portions 100 and 200, the fuse elements 400, water glass pipes 500 ) Can be sealed from the outside. In addition, sand and water glass may be supplied and filled in the hollow that is the inner space of the housing part 600.

The open ends of the four water glass pipes 500 may be connected to respective water glass supply holes 220 formed in the second terminal part 200.

In addition, the plurality of sand supply holes 210 may be exposed to a hollow, which is an inner space of the housing part 600.

Here, sand may be supplied in a predetermined amount to the hollow of the housing part 600 through the plurality of sand supply holes 210. Therefore, the sand may be in close contact with the fuse elements 400 and the water glass pipes 500 while being filled in the hollow of the housing part 600 in a predetermined amount.

Subsequently, a certain amount of water glass is supplied to the inner flow path of each pipe body 510 through one end of each of the water glass pipes 500, which is supplied through the supply holes 520 to four fuses at different positions. It may be injected and supplied into the space enclosed by the element 400.

Thus, water glass supplied at different positions penetrates into the prefilled sand.

Further, sand may be additionally filled in the remaining space that is not filled with sand in the hollow of the housing part 600 through the sand supply holes 210.

In addition, sand is injected through an open end of each water glass pipe 500, that is, through a plurality of water glass supply holes 220 connected to the opening 510 a, and thus, inside the pipe body 510. Sand is filled

As described above, in the state in which sand and water glass are supplied to the inner space of the housing part 600 and sand is filled in the water glass pipe 500, the first cap 710 is formed in the sand supply holes 210. The water glass supply holes 220 and the second cap 720 may be combined to seal the water glass. The coupling may be an interference fit and a screw coupling or heat fusion method.

Through the above configuration, the hollow, which is the internal space of the housing part 600 according to the present invention, is filled with sand, and water glass supplied from a plurality of positions of the sand is injected, thereby curing the sand in the entire area of the hollow. It can be made uniform.

Next, the manufacturing method of the high voltage fuse which concerns on this invention which comprises said structure is demonstrated.

5 is a perspective view illustrating a state in which the fuse elements 400 and the water glass pipes 500 are installed in the terminal parts 100 and 200 according to the present invention.

Referring to FIG. 5, a first step of preparing a fuse in which a plurality of fuse elements 400 and a plurality of water glass pipes 500 are installed is performed.

First and second terminal portions 100 and 200 are prepared. A plurality of sand supply holes 210 and a plurality of water glass supply holes 220 are formed in the second terminal part 200.

Four fuse elements 400 are provided between the first terminal portion 210 and the second terminal portion 220. Here, both ends of each of the fuse elements 400 are fixed by respective supporting members 300 formed on the inner surfaces of the first and second terminal parts 100 and 200. Support grooves 310 are formed on the periphery of the four surfaces of each of the supporting members 300 to support the end of each fuse element 400. Therefore, the four fuse elements 400 may be arranged to form a square shape.

Subsequently, each water glass pipe 500 is installed to be positioned at four corners of the fuse elements 400. Both ends of each of the water glass pipes 500 are fixed to respective support members 300 formed on inner surfaces of the first and second terminal parts 100 and 200, and are formed at edge portions of the respective support members 300. It is to be seated in the mounting groove (320).

Accordingly, the water glass pipes 500 and the fuse elements 400 according to the present invention may be fixed to the pair of first and second terminal parts 100 and 200.

6 is a perspective view illustrating a state in which a predetermined amount of sand and water glass are supplied into the housing part in a state in which the housing part is coupled to the terminal parts according to the present invention.

Subsequently, as shown in FIG. 6, the cylindrical housing part 600 is coupled to the outer circumference of the first and second terminal parts 100 and 200.

Accordingly, the above-described water glass pipes 500 and the fuse elements 400 may be accommodated in the hollow of the housing part 600. At this time, the hollow which is the inner space of the housing part 600 forms an empty state.

Through a plurality of sand supply holes 210 formed in the second terminal portion 200 of the fuse, a second step of supplying sand to the internal space of the fuse is passed.

Referring to FIG. 6, the fuse assembled in the first stage in the second stage according to the present invention achieves an upright state. For example, the first terminal unit 100 positioned below is fixed to a separate jig (not shown) to form an upright position.

In this state, the sand may be supplied such that the volume of the inner space of the housing part 600 and the volume of the sand supplied to the inner space are 10: 9.

That is, when the volume of the internal space of the housing part 600 is 100%, sand is formed in the amount of 90% of the volume of the internal space, and sand is transferred through the sand supply holes 210 to the housing part 600. Can be filled and supplied to the interior space.

Therefore, only 10% of the internal space of the housing part 600 may form an empty space.

Subsequently, the water glass is supplied into the plurality of water glass pipes 500 through a plurality of water glass supply holes 220 formed at one end of the fuse, and the supplied water glass is provided inside the fuse. It goes through a third step of forcibly supplying the space multiple locations.

To explain this, a water glass feeder (not shown) is forcibly supplied to the inside of each water glass pipe 500 through the water glass supply hole 220. In this case, the water glass supplier may supply the water glass to the inside of the water glass pipe 500 by setting a predetermined pressure. The pressure required to be supplied through the water glass feeder may be variably set.

Accordingly, the water glass supplied into each of the water glass pipes 500 is forcibly flowed along the inner flow path of the pipe body 510, and the inner space of the housing part 600 through the supply holes 520. Can be injected or forced to

Since the water glass is supplied to the interior space of the housing part 600 through the supply holes 520 formed at different locations, the water glass may be introduced at different locations with sand pre-filled in the housing part 600. have.

In addition, since the water glass is supplied so as to penetrate by forming a predetermined pressure with sand in a state in which the water glass pipe 500 is surrounded in all directions, the water glass can be evenly penetrated into the sand.

Subsequently, as shown in FIG. 7, through a plurality of sand supply holes 210 formed in the second terminal part 200, sand is additionally supplied to fill the inner space.

Through this, the interior space of the housing part 600 which is not filled with sand may be filled with sand additionally supplied.

At this time, after the water glass pipes 500 supply all of the water glass, the water glass pipes 500 form an empty space.

8 is a perspective view showing a state in which sand supply holes and water glass supply holes are closed using the first and second caps according to the present invention.

Referring to FIG. 8, sand is filled in the plurality of water glass pipes 500 through the plurality of water glass supply holes 220, the plurality of sand supply holes 210, and the The fifth step of sealing the plurality of water glass supply holes 220 is performed.

To describe this, a predetermined amount of sand is prepared, and the sand is supplied to the inside of the water glass pipe 500 through the water glass supply holes 220 to fill the inside of the water glass pipe 500.

Then, the first and second caps 710 and 720 are prepared.

The first caps 710 are coupled to the plurality of sand supply holes 210 to seal the plurality of sand supply holes 210.

At the same time, the second caps 720 may be coupled to the plurality of water glass supply holes 220 to seal the plurality of water glass supply holes 220.

Through the manufacturing method as described above, it is possible to manufacture the high voltage fuse according to the present invention described above.

According to the above configuration and operation, the embodiment according to the present invention, by simultaneously injecting the water glass using a predetermined pressure in a plurality of positions of the sand contained in the housing portion, uniform sand in the housing portion so that stable performance is launched Can be cured.

In addition, in the embodiment according to the present invention, by additionally installing the water glass pipes between the terminal portions provided at both ends of the housing portion, it is possible to ensure additional support force.

As mentioned above, although the specific Example regarding the high voltage fuse of this invention and its manufacturing method 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.

In other words, the foregoing embodiments are to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the following claims rather than the detailed description, the meaning and scope of the claims and their equivalents All changes or modifications derived from the concept should be construed as being included in the scope of the present invention.

100: first terminal part
200: second terminal portion
210: sand supply hole
220: water glass supply hole
300 support member
310: support groove
320: settling groove
400: fuse element
500: water glass pipe
510: pipe body
520; Supply hole
600: housing part
710: first cap
720: second cap

Claims (12)

A housing part having a hollow filled with sand;
A pair of terminal parts provided at both ends of the housing part to seal the hollow;
A plurality of fuse elements disposed in the hollow of the housing part and connecting the pair of terminal parts; And
A plurality of water glass pipes disposed in the hollow of the housing part and supplying the water glass to the hollow at a plurality of positions.
The method of claim 1,
Each of the plurality of water glass pipes,
One end is opened, the pipe body is formed with a flow path therein,
It includes a plurality of supply holes formed in the pipe body,
The pipe body,
A pair of support surfaces at right angles,
Between the pair of support surfaces and provided with a curved surface to form a curvature outwardly convex,
The plurality of supply holes, the high voltage fuse, characterized in that formed on the curved surface.
The method of claim 2,
The pair of terminal portions include a first terminal portion and a second terminal portion,
In the second terminal portion, a plurality of sand supply holes and a plurality of water glass supply holes are formed,
The other end of the pipe body is supported by the first terminal portion,
The opening of the pipe body is connected to any one of the plurality of water glass supply holes,
The plurality of sand supply holes are exposed to the hollow of the housing part,
A plurality of first caps are coupled to the plurality of sand supply holes,
The plurality of water glass supply holes, a high voltage fuse, characterized in that a plurality of second caps are coupled.
The method of claim 3,
In the inner passage of the pipe body,
High voltage fuse, characterized in that the sand is provided from the outside after the water glass is supplied.
The method of claim 3,
On the inner surface of the pair of terminal portions,
A pair of square support members are formed to protrude,
At four corners of each of the pair of supporting members,
Seating grooves on which both ends of each of the plurality of water glass pipes are seated are formed,
On the three outer circumferential surfaces of each of the support members,
The high voltage fuse, characterized in that the support grooves are formed to support both ends of each of the plurality of fuse elements.
The method of claim 5,
Curved surface of each of the plurality of water glass pipe,
A high voltage fuse arranged to face a space surrounded by the plurality of fuse elements.
A first step of preparing a fuse in which a plurality of fuse elements and a plurality of water glass pipes are installed;
A second step of supplying sand to an internal space of the fuse through a plurality of sand supply holes formed at one end of the fuse;
Supplying water glass to the plurality of water glass pipes through a plurality of water glass supply holes formed at one end of the fuse, and forcibly supplying the supplied water glass to a plurality of internal spaces of the fuse; Step 3;
A fourth step of further supplying sand through the plurality of sand supply holes to fill the inner space;
A fifth step of filling sand into the plurality of water glass pipes through the plurality of water glass supply holes, and sealing the plurality of sand supply holes and the plurality of water glass supply holes; Method for producing a high voltage fuse, characterized in that.
The method of claim 1,
In the second step,
And supplying the sand such that the volume of the internal space and the volume of the sand supplied to the internal space are 10: 9.
The method of claim 8,
Each of the plurality of water glass pipes,
One end is opened, the pipe body is formed with a flow path therein,
It includes a plurality of supply holes formed in the pipe body,
And supplying the supplied water glass to the internal space through the plurality of supply holes.
The method of claim 9,
To the open end formed in the pipe body, to connect the water glass supply for supplying the water glass at a set pressure,
And using the water glass feeder, forcibly supplying the water glass at the set pressure to an internal flow path of each of the plurality of water glass pipes.
The method of claim 9,
In the fifth step,
Coupling a plurality of first caps to the plurality of sand supply holes to seal the plurality of sand supply holes.
And coupling a plurality of second caps to the plurality of water glass supply holes to seal the plurality of water glass supply holes.
The method of claim 10,
In the first step,
The plurality of fuse elements are arranged in a square shape to form four corners,
Arranging the water glass pipe to be located at the four corners,
In the third step,
And supplying the water glass to a plurality of locations in a space surrounded by the plurality of fuse elements through a plurality of supply holes of each of the plurality of water glass pipes.

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