KR101714887B1 - Webwasher and coupling system of webwasher - Google Patents

Webwasher and coupling system of webwasher Download PDF

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Publication number
KR101714887B1
KR101714887B1 KR1020150109176A KR20150109176A KR101714887B1 KR 101714887 B1 KR101714887 B1 KR 101714887B1 KR 1020150109176 A KR1020150109176 A KR 1020150109176A KR 20150109176 A KR20150109176 A KR 20150109176A KR 101714887 B1 KR101714887 B1 KR 101714887B1
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KR
South Korea
Prior art keywords
fastening
bus bar
washer
bolt
web
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KR1020150109176A
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Korean (ko)
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KR20170015013A (en
Inventor
김은하
소진
Original Assignee
김은하
소진
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Priority to KR1020150109176A priority Critical patent/KR101714887B1/en
Publication of KR20170015013A publication Critical patent/KR20170015013A/en
Application granted granted Critical
Publication of KR101714887B1 publication Critical patent/KR101714887B1/en

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    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
    • H02B1/00—Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
    • H02B1/015—Boards, panels, desks; Parts thereof or accessories therefor
    • H02B1/04—Mounting thereon of switches or of other devices in general, the switch or device having, or being without, casing
    • H02B1/042—Mounting on perforated supports by means of screws or locking members
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
    • H02B1/00—Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
    • H02B1/20—Bus-bar or other wiring layouts, e.g. in cubicles, in switchyards

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  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Installation Of Bus-Bars (AREA)

Abstract

The present invention relates to a bus bar fastening structure composed of a web washer and a web washer, which disperses moment due to magnetic force interaction between closely disposed bus bars and increases the fastening force of the fastening face of the bus bar.
That is, the present invention is characterized by including a hemispherical web washer that minimizes the magnetic force acting on the adjacent bus bar and enhances the flat fastening force of the bus bar fastening surface.
Accordingly, the present invention provides a hemispherical web washer that minimizes the magnetic force acting on the adjacent bus bars and increases the surface fastening force of the bus bar fastening surfaces, thereby dispersing moments due to the magnetic force interaction between the closely disposed bus bars, The surface fastening force of the surface is improved.

Description

(Webwasher and coupling system of webwasher) comprising a web washer and a web washer.

The present invention relates to a bus bar fastening structure composed of a web washer and a web washer, and more particularly to a hemispherical web washer which minimizes the magnetic force acting on the adjacent bus bar and enhances the flat fastening force of the bus bar fastening face, And it is intended to disperse the moment due to the magnetic force interaction with the bus bar to be disposed, and to increase the surface fastening force of the bus bar fastening surface.

Another object of the present invention is to provide a washer having a washer body formed in a hemispherical shape and a washer fastening hole formed through the center of the washer body and a fastening bolt for fastening the head of the fastening bolt to the outside of the dome portion of the washer body, And a web fastening portion composed of a pressurizing rib and a supporting rib so as to concentrate a pressing force on the fastening surface of the bus bar on the opposite side of the bolt mounting groove of the washer body so as to prevent the bolt head from being exposed, And to maximize the contact pressing force of the bus bar fastening surface by the web fastening part.

It is a further object of the present invention to provide an apparatus and a method for controlling a pressurizing apparatus in which the pressurizing ribs of the web fastening portions are formed in an equiangular manner in a radial direction in a washer fastening hole and the support ribs are equidistantly formed in a radial direction so as to bind the pressurizing ribs in a circumferential direction, And it is an object of the present invention to increase the pressing force of the engagement surface of the bus bar by the rib and to improve the supporting rigidity of the pressing rib by the supporting rib.

It is a further object of the present invention to provide an air-cooling ventilation hole which penetrates through a bus bar formed between a pressing rib of a washer body and a supporting rib on the dome side of a washer body, So that the convection heat radiation can be performed together with the surface heat generation through the body.

It is still another object of the present invention to provide a bus bar fastening structure which comprises a bus bar fastening portion formed in a plate shape on an end portion of a bus bar fastened to each other and a web washer fastened to the outer surface of the bus bar fastening portion, And a bus bar fastening bolt which penetrates the bus bar and electrically fastens the bus bar so as to disperse a moment due to the magnetic force interaction between the bus bar and the fastening face of the bus bar.

Generally, a bus bar is installed in an electric distribution board or a distribution board to distribute and supply a high voltage and a large current.

The above-described bus bar is provided with a bus bar fastening structure for electrically interconnecting the bus bars in order to distribute electric current or to electrically connect the bus bars.

The bus bar fastening structure as described above is characterized in that a bus bar fastening portion formed in a plate shape at both ends of a bus bar to be fastened is formed, four or more fastening holes are formed through the fastening portion of the bus bar, And a fastening bolt.

In the conventional bus bar fastening structure constructed as described above, fastening bolts are fastened to fastening holes formed in bus bar fastening portions via fasteners, so that bus bars are securely fastened electrically

However, in the conventional bus bar fastening structure as described above, since the shape of the bus bar fastening portion formed in a plate shape is directly fastened, the attracting force and the repulsive force due to the mutual magnetic field are applied to the high- There is a problem that the bus bar is twisted or broken by the repulsive force.

In addition, the conventional bus bar fastening structure as described above is fastened by a plurality of fastening bolts, and a plurality of fastening holes are formed in the fastening portion of the bus bar, so that the endurance of the fastening portion of the bus bar is reduced.

Also, since the conventional bus bar structure as described above is formed with the bolt head or the nut of the fastening bolt protruding, a leakage current is generated due to the notch discharge in which a high voltage high current is formed by the bolt head and the nut, There is a problem that electrical short-circuiting occurs between the bars.

Korean Patent No. 10-0886812

As described above, according to the present invention, since the shape of the bus bar fastening portion formed in a plate shape of the conventional bus bar fastening structure is directly fastened, the attracting force and the repulsive force due to the mutual magnetic field are applied to the high- The bus bar is warped or broken due to the pulling force or the repulsive force of the bus bar, and the plurality of fastening bolts are fastened by the plurality of fastening bolts to form a plurality of fastening holes, It is possible to solve the problem that a leak current is generated due to notch discharge in which a high voltage high current is formed by the head and nut of the bolt and electrical short-circuiting occurs between adjacent bus bars.

That is, the present invention is characterized by including a hemispherical web washer that minimizes the magnetic force acting on the adjacent bus bar and enhances the flat fastening force of the bus bar fastening surface.

According to another aspect of the present invention, there is provided a washer body including a washer body having a hemispherical web washer, a washer fastening hole formed through the center of the washer body, a bolt seat fastening hole for receiving the head of the fastening bolt, And a web fastening portion formed of a pressing rib and a supporting rib so as to concentrate the pressing force on the fastening surface of the bus bar on the opposite side of the bolt mounting groove of the washer body.

Further, in the present invention, the pressing ribs of the web fastening portions are formed to have a constant angle in the radial direction from the washer fastening holes, and the supporting ribs are equally spaced in the radial direction so as to bind the pressing ribs in the circumferential direction will be.

In addition, the present invention is characterized in that, on the dome side of the washer body, an air-cooling vent hole is formed between the pressing rib of the washer body and the supporting rib,

According to another aspect of the present invention, there is provided a bus bar fastening structure including: a bus bar fastening portion formed in a plate shape on an end portion of a bus bar to be fastened; a web washer seated on an external surface of the bus bar fastening portion; And a bus bar fastening bolt for electrically fastening the bus bar.

Accordingly, the present invention provides a hemispherical web washer that minimizes the magnetic force acting on the adjacent bus bars and increases the surface fastening force of the bus bar fastening surfaces, thereby dispersing moments due to the magnetic force interaction between the closely disposed bus bars, The surface fastening force of the surface is improved.

In addition, the present invention is characterized in that the washer body having a hemispherical shape of the web washer, a washer fastening hole formed through the center of the washer body, a bolt seat for receiving the head of the fastening bolt on the dome side of the washer body, By forming the grooves, the bolt head is prevented from being exposed at the time of fastening the bus bar, so that the high voltage discharge due to the notch is prevented.

Further, according to the present invention, since the bus bar fastening surface is formed on the opposite side of the bolt mounting groove of the washer body with the web fastening portion composed of the pressurizing rib and the support rib so as to concentrate the pressing force, the contact pressing force of the bus bar fastening surface It has a maximizing effect.

Further, since the pressing ribs of the web fastening portions are formed to have a constant angle in the radial direction from the washer fastening holes, the pressing ribs have the effect of increasing the pressing force of the fastening surfaces of the bus bars. So that the supporting rig has the effect of improving the supporting rigidity of the pressing rib.

In addition, the present invention is characterized in that, at the dome portion side of the washer body, air-cooling ventilation holes are formed through the bus bar contact formed between the pressing ribs of the washer body and the supporting ribs, And the convection heat radiation can be achieved.

FIG. 1 is a perspective view of a separated state perspective view according to an embodiment of the present invention.
FIG. 2 is a perspective view of a combined state perspective view according to an embodiment of the present invention.
3 is a perspective view of a folded state perspective view
FIG. 4 is a cross-sectional view of an engaging state according to an embodiment of the present invention
FIG. 5 is a cross-sectional view of an engaging state according to another embodiment of the present invention
Figure 6 is a perspective view of a web washer in the embodiment of Figure 5;
FIG. 7 is a rear perspective view of the web washer according to the embodiment of FIG.
FIG. 8 is a perspective view of a separated state perspective view according to another embodiment of the present invention.
FIG. 9 is a perspective view of an engaging state according to the embodiment of FIG.

The terms and words used in the present specification and claims should not be construed as limited to ordinary or dictionary terms and the inventor may appropriately define the concept of the term in order to best describe its invention It should be construed as meaning and concept consistent with the technical idea of the present invention.

Therefore, the embodiments described in the present specification and the configurations shown in the drawings are merely the most preferred embodiments of the present invention, and not all of the technical ideas of the present invention are described. Therefore, It should be understood that various equivalents and modifications may be present.

Hereinafter, the present invention will be described in detail with reference to the accompanying drawings.

That is, in the bus bar fastening structure in which the bus bars are electrically coupled to each other for current distribution or electrical connection, the pressing force of the fastening bolt 21 is transmitted to the fastening surface of the bus bar fastening portion 10, And a semi-spherical web washer 30 for minimizing the magnetic force acting on the bus bar and increasing the surface-fastening force of the bus bar fastening surface.

The washer body 31 has a hemispherical shape of the web washer 30 and a washer fastening hole 32 formed at the center of the washer body 31. The fastening bolt 32 is fastened to the dome side of the washer body 31, A bolt receiving groove 33 for receiving the head of the washer body 21 so as not to expose the outside of the washer body 31 and a pressing rib 34a And a web fastening part 34 composed of a supporting rib 34b.

Outside the bolt receiving groove 33, a curved surface is formed to prevent formation of a notch.

The pressing rib 34a of the web fastening part 34 may be formed to have a constant angle in the radial direction at the washer fastening hole 32. [

The support ribs 34b can be formed by forming equal intervals in the radial direction so as to bind the pressing ribs 34a in the circumferential direction.

The web fastening portion 34 on which the support rib 34b and the pressurizing rib 34a are formed is formed so as to be uniform in the fastening surface of the bus bar fastening portion 10 against the surface deformation in accordance with the pressing force of the fastening bolt 21 So that the side of the washer fastening hole 32 can be inserted into the inside of the washer body 31 so that the pressing force can be maintained.

In the embodiment of the present invention, the inner surface of the washer body 31 is pressed against the inner surface of the washer body 31, And a vent hole 35 may be formed.

Hereinafter, a bus bar fastening structure by the web washer 30 will be described.

That is, according to the present invention, there is provided a bus bar fastening structure comprising: a bus bar fastening part (10) formed in a plate shape on an end of a bus bar to be fastened and formed with a single bus fastening hole; A web washer 30 which is seated on the web washer 30 and a bus bar fastening bolt 21 which penetrates the web washer 30 and the bus bar fastening part 10 and electrically fastens the bus bar, A washer body 31 and a washer body 31. The washer body 31 has a washer body 32 and a washer body 31. The washer body 31 has a washer body 31 and a washer body 31, A bolt receiving groove 33 for accommodating the bolt receiving groove 33 of the washer body 31 and a web engaging concave portion 33b for pressing the bus bar engaging surface of the washer body 31, (34).

Here, the pressing rib 34a of the web fastening portion 34 is formed to have an equiangular shape in the radial direction at the washer fastening hole 32, and the supporting rib 34b is configured to fasten the pressing rib 34a in the circumferential direction So that it can be carried out with equal spacing in the radial direction.

The bolt seating groove 33 of the web washer 30 is formed as a hemispherical groove and a hemispherical pressing portion 41 which is seated in the bolt seating groove 33 and corresponds to the hemispherical bolt seating groove 33, And a bolt support 40 for forming a bolt seating plane 42 for allowing a bolt or nut to be in surface contact with the opposite side of the hemispherical pressing portion 41.

Outside the bolt receiving groove 33, a curved surface is formed to prevent formation of a notch.

Hereinafter, an application process of the present invention will be described.

And a hemispherical web washer 30 for minimizing the magnetic force acting on the adjacent bus bars and enhancing the flat fastening force of the bus bar fastening surface. The washer body 31 having the hemispherical web washer 30, And a bolt receiving groove 33 for receiving the head of the fastening bolt 21 so as not to be exposed to the outside on the dome side of the washer body 31. [ And a web fastening part 34 composed of a pressing rib 34a and a supporting rib 34b for concentrating pressing force on the bus bar fastening surface on the opposite side of the bolt mounting groove 33 of the washer body 31 It is possible to disperse the moment due to the magnetic force interaction between the adjacent bus bars and to improve the flat fastening force of the bus bar fastening surface.

When the bus bar is fastened to the bolt receiving groove 33, the head of the bolt is not exposed and thus the high voltage discharge due to the notch due to the exposure of the bolt is prevented.

The web engaging portion 34 is composed of the pressing rib 34a and the supporting rib 34b so that the contact pressing force of the bus bar engaging surface is maximized by the web engaging portion 34, The pressing force of the engaging surface is increased and the supporting rig 34b of the pressing rib 34a is improved by the supporting rib 34b.

In addition, in the practice of the present invention, when the air-cooling vent hole 35 penetrating through the bus bar contact middle portion 34c is formed and heat is generated from the bus bar engagement surface, the surface heat generated through the washer body 31 And convection heat radiation is performed.

Meanwhile, when the bus bar fastening structure is formed by the web washer 30 according to the present invention as described above to electrically fasten the bus bars, the moments due to the magnetic force interaction between the adjacent bus bars are dispersed, The surface fastening force of the surface becomes higher.

The bolt seating groove 33 of the web washer 30 is formed as a hemispherical groove and a hemispherical pressing portion 41 which is seated in the bolt seating groove 33 and corresponds to the hemispherical bolt seating groove 33, And a bolt support surface 40 on which a bolt or a nut is brought into surface contact with the opposite side of the hemispherical pressing portion 41 is formed, Is uniformly dispersed and pressed into the bolt receiving groove 33 through the hemispherical pressing portion 41 so that the fastening force of the fastening bolt 21 is increased by the fastening force of the web washer 30 ). ≪ / RTI >

In addition, when the outer side of the bolt receiving groove 33 is formed as a curved surface, the formation of the notch due to the bolt receiving groove 33 in the web washer 30 is prevented.

10: Bus bar fastening part
21: fastening bolt
30: Web Washer
31: Washer body 32: Washer fastening hole
33: Bolt seat groove
34: Web connection part
34a: pressurizing rib 34b:
34c: Bus bar during contact study
35: Air cooling ventilation hole
40: Bolt-ground
41: Hemispherical pressing portion 42: Bolt seating plane

Claims (5)

In the bus bar fastening structure in which the bus bars are electrically coupled to each other for distribution of current or electrical connection, the pressing force of the fastening bolt 21 is transmitted to the fastening surface of the bus bar fastening portion 10, And a hemispherical web washer (30) for increasing the fastening force of the fastening surface of the bus bar,
A washer body 31 having a hemispherical shape of the web washer 30 and a washer fastening hole 32 formed at the center of the washer body 31. The washer body 31 is fastened with bolts 21 And a pressing rib 34a is formed on the opposite side of the bolt receiving groove 33 of the washer body 31 so as to concentrate a pressing force on the bus bar engaging surface, And a web fastening portion 34 composed of a supporting rib 34b,
A curved surface is formed on the outer side of the bolt receiving groove 33 so as to prevent formation of a notch;
The pressing rib 34a of the web fastening part 34 is formed to have an equiangular shape in the radial direction at the washer fastening hole 32,
Characterized in that the support ribs (34b) are equidistantly spaced in the radial direction so as to bind the pressurizing ribs (34a) in the circumferential direction. The method of claim 1, further comprising:
The web fastening portion 34 in which the support rib 34b and the pressurizing rib 34a are formed presses uniformly a pressing force against the fastening surface of the bus bar fastening portion 10 against the surface deformation in accordance with the pressing force of the fastening bolt 21 And the side of the washer fastening hole (32) is formed so as to be recessed inside the washer body (31). 3. The method of claim 2,
(34c) formed between the pressing rib (34a) of the washer body (31) and the supporting rib (34b).
4. The method of claim 3, further comprising:
And a air cooling vent hole (35) penetrating the bus bar contact middle (34c) is formed on the dome side of the washer body (31).
A bus bar fastening structure comprising:
A web washer 30 formed in a plate shape at an end portion of a bus bar to be mutually engaged and having a bus bar fastening portion 10 formed with a single bus fastening hole formed therein and a web washer 30 seated on an outer surface of the bus bar fastening portion 10, 30 and a bus bar fastening bolt 21 for electrically connecting the bus bar through the bus bar fastening part 10 and a washer body 31 having a hemispherical shape of the web washer 30, A bolt receiving groove 33 for receiving the head of the fastening bolt 21 so that the head of the fastening bolt 21 is not exposed to the outside of the washer body 31, (34) composed of a pressing rib (34a) and a supporting rib (34b) so as to concentrate the pressing force on the bus bar engagement surface on the opposite side of the bolt receiving groove (33)
The outer side of the bolt receiving groove 33 is curved to prevent the formation of a notch;
The pressing ribs 34a of the web fastening portions 34 are formed to have an equiangular shape in the radial direction at the washer fastening holes 32. The supporting ribs 34b are capable of fastening the pressing ribs 34a in the circumferential direction Forming an equal interval in the radial direction,
The bolt seating groove 33 of the web washer 30 is formed as a hemispherical groove and a hemispherical pressing portion 41 corresponding to the hemispherical bolt seating groove 33 is seated in the bolt seating groove 33 And a bolt support (40) for forming a bolt receiving surface (42) for allowing a bolt or nut to be in surface contact with the opposite side of the hemispherical pressing portion (41). Fastening structure.

KR1020150109176A 2015-07-31 2015-07-31 Webwasher and coupling system of webwasher KR101714887B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1020150109176A KR101714887B1 (en) 2015-07-31 2015-07-31 Webwasher and coupling system of webwasher

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1020150109176A KR101714887B1 (en) 2015-07-31 2015-07-31 Webwasher and coupling system of webwasher

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KR20170015013A KR20170015013A (en) 2017-02-08
KR101714887B1 true KR101714887B1 (en) 2017-03-09

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101991287B1 (en) * 2017-11-03 2019-06-20 현대이엔티 주식회사 Bus bar connecting structure

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0828534A (en) * 1994-07-18 1996-02-02 Showa Electric Wire & Cable Co Ltd Connecting part of bus bar and connecting part between unit of insulating bus duct
KR970041904U (en) * 1995-12-28 1997-07-29 Bracket for loosening prevention of countersunk head bolt
KR100886812B1 (en) 2008-10-21 2009-03-04 이광수 Electric-power distributer
KR20150135982A (en) * 2014-05-26 2015-12-04 현대위아 주식회사 Countersink washer

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