KR20170081778A - Trip apparatus - Google Patents

Trip apparatus Download PDF

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Publication number
KR20170081778A
KR20170081778A KR1020160000319A KR20160000319A KR20170081778A KR 20170081778 A KR20170081778 A KR 20170081778A KR 1020160000319 A KR1020160000319 A KR 1020160000319A KR 20160000319 A KR20160000319 A KR 20160000319A KR 20170081778 A KR20170081778 A KR 20170081778A
Authority
KR
South Korea
Prior art keywords
moving
yoke
magnet
bobbin
permanent magnet
Prior art date
Application number
KR1020160000319A
Other languages
Korean (ko)
Inventor
정준영
Original Assignee
현대일렉트릭앤에너지시스템(주)
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 현대일렉트릭앤에너지시스템(주) filed Critical 현대일렉트릭앤에너지시스템(주)
Priority to KR1020160000319A priority Critical patent/KR20170081778A/en
Publication of KR20170081778A publication Critical patent/KR20170081778A/en

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Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H71/00—Details of the protective switches or relays covered by groups H01H73/00 - H01H83/00
    • H01H71/10—Operating or release mechanisms
    • H01H71/12—Automatic release mechanisms with or without manual release
    • H01H71/128—Manual release or trip mechanisms, e.g. for test purposes
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H71/00—Details of the protective switches or relays covered by groups H01H73/00 - H01H83/00
    • H01H71/10—Operating or release mechanisms
    • H01H71/12—Automatic release mechanisms with or without manual release
    • H01H71/24—Electromagnetic mechanisms
    • H01H71/2454—Electromagnetic mechanisms characterised by the magnetic circuit or active magnetic elements
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H71/00—Details of the protective switches or relays covered by groups H01H73/00 - H01H83/00
    • H01H71/10—Operating or release mechanisms
    • H01H71/12—Automatic release mechanisms with or without manual release
    • H01H71/24—Electromagnetic mechanisms
    • H01H71/32—Electromagnetic mechanisms having permanently magnetised part
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H73/00—Protective overload circuit-breaking switches in which excess current opens the contacts by automatic release of mechanical energy stored by previous operation of a hand reset mechanism
    • H01H73/36—Protective overload circuit-breaking switches in which excess current opens the contacts by automatic release of mechanical energy stored by previous operation of a hand reset mechanism having electromagnetic release and no other automatic release
    • H01H73/38—Protective overload circuit-breaking switches in which excess current opens the contacts by automatic release of mechanical energy stored by previous operation of a hand reset mechanism having electromagnetic release and no other automatic release reset by lever

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  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Breakers (AREA)

Abstract

Thereby starting the trip device.
A trip device according to an embodiment of the present invention includes a yoke portion, at least a part of which is made of a magnetic material; A bobbin disposed in the yoke and wound with a coil generating a magnetic force when electricity is applied; A moving part movably provided in the first and second moving holes respectively formed in the yoke part and the bobbin, the moving part being at least partially made of a magnetic material; A permanent magnet provided between the bobbin and the yoke to apply a magnetic force so that the moving part is at a charging position; And a first elastic member provided between the moving part and the yoke part to move the moving part to the trip position when the magnetic force of the permanent magnet is reduced by the magnetic force of the coil. And the permanent magnet can be protected by the impact of the moving part by the magnet protecting member and fixed in place.

Description

TRIP APPARATUS

The present invention relates to a trip device for cutting off a circuit when a fault current flows in a wiring breaker, and more particularly, to a trip device in which a permanent magnet is protected by an impact due to the movement of a moving part by a magnet protecting member, .

The trip device is provided in the wiring breaker so that the circuit is cut off when a fault current flows.

In this trip device, the moving part is movably provided, and between the charging position where the moving part is held by the magnetic force of the permanent magnet and the trip position where the magnetic force of the permanent magnet is reduced by the magnetic force by the coil, Move.

When a fault current is generated, a magnetic force is generated in the coil and the magnetic force of the permanent magnet is reduced. When the moving part is moved by the elastic member from the vehicle position to the trip position, the circuit of the wiring breaker is cut off.

The permanent magnet of the trip device is impacted by the movement of the moving part, and a magnet protecting member is used to protect the permanent magnet from such shock.

The tripping device is assembled such that the permanent magnet and the magnet protecting member are in contact with each other. However, when the tripping device is assembled, the permanent magnet is not fixed in place, so that it is not easy to assemble the tripping device.

The present invention is realized by recognizing at least any one of the above-mentioned conventional needs or problems.

One aspect of the object of the present invention is to make it possible to easily assemble the trip device.

Another aspect of the object of the present invention is to reduce the time required for assembling the trip device.

Another aspect of the object of the present invention is to fix the permanent magnet in place by the magnet protecting member for protecting the permanent magnet.

A trip device related to an embodiment for realizing at least one of the above problems may include the following features.

A trip device according to an embodiment of the present invention includes: a yoke portion at least partially formed of a magnetic material; A bobbin located in the yoke and wound with a coil generating a magnetic force when electricity is applied; A moving part movably provided in the first and second moving holes respectively formed in the yoke part and the bobbin and at least part of which is made of a magnetic material; A permanent magnet provided between the bobbin and the yoke to apply a magnetic force so that the moving part is at a charging position; And a first elastic member provided between the moving part and the yoke part to move the moving part to the trip position when the magnetic force of the permanent magnet is reduced due to the magnetic force by the coil. And the permanent magnet can be protected by the impact caused by the movement of the moving part by the magnet protecting member and fixed in place.

In this case, the magnet protecting member is provided between the bobbin and the permanent magnet and may be made of a magnetic material.

Further, the magnet protecting member may cover one open side of the second moving hole.

At least a part of the magnet protecting member may be inserted into the second moving hole.

In addition, a member seating groove may be formed at one side of the bobbin to communicate with the second moving hole and to receive and seat the magnet protecting member.

The magnet protecting member may be formed with a magnet fitting groove into which at least a part of the permanent magnet is inserted.

The yoke portion may include a yoke plate having a first moving hole formed therein; And a yoke member connected to the yoke plate to cover at least a part of the bobbin; . ≪ / RTI >

The moving part includes a moving core movably provided in the first and second moving holes; And a cap member connected to the moving core and applying an elastic force by the first elastic member; . ≪ / RTI >

Further, a second elastic member may be provided between the moving core and the cap member.

As described above, according to the embodiment of the present invention, the permanent magnet can be fixed in place by the magnet protecting member that protects the permanent magnet included in the trip device.

Further, according to the embodiment of the present invention, the trip device can be easily assembled.

Moreover, according to the embodiment of the present invention, the time required for assembling the trip device can be reduced.

1 is a perspective view of an embodiment of a trip device according to the present invention.
2 is an exploded perspective view of an embodiment of a trip device according to the present invention.
3 is a cross-sectional view taken along a line I-I 'in Fig.
4 is a sectional view showing the operation of an embodiment of the trip device according to the present invention.

In order to facilitate understanding of the features of the present invention as described above, the trip device related to the embodiment of the present invention will be described in more detail.

The embodiments described below will be described on the basis of embodiments best suited to understand the technical characteristics of the present invention and the technical features of the present invention are not limited by the embodiments described, It is to be understood that the invention can be practiced with embodiments. Therefore, it is intended that the present invention covers the modifications and variations of this invention provided they come within the scope of the appended claims and their equivalents. In order to facilitate an understanding of the embodiments described below, in the reference numerals shown in the accompanying drawings, among the constituent elements which perform the same function in the respective embodiments, the related constituent elements are indicated by the same or an extension line number.

Hereinafter, an embodiment of the trip device according to the present invention will be described with reference to FIG. 1 to FIG.

FIG. 1 is a perspective view of a trip device according to an embodiment of the present invention, FIG. 2 is an exploded perspective view of a trip device according to an embodiment of the present invention, FIG. 3 is a sectional view taken along the line I- 4 is a sectional view showing the operation of an embodiment of the trip device according to the present invention.

One embodiment of the trip device 100 according to the present invention includes a yoke 200, a bobbin 300, a moving part 400, a permanent magnet 500, And may include an elastic member 600.

At least a part of the yoke portion 200 may be made of a magnetic material. The magnetic body constituting at least a part of the yoke portion 200 is not particularly limited, and any magnetic body can be used.

The yoke portion 200 may include a yoke plate 210 and a yoke member 220. The yoke plate 210 may have a first moving hole 211a. As shown in FIGS. 2 and 3, the first moving hole 211a may be formed through the yoke plate 210. 3 and 4, the moving part 400 may be movably provided in the first moving hole 211a of the yoke plate 210. [

The yoke plate 210 has a cylindrical hole forming portion 211 formed with the above-described first moving hole 211a as shown in Fig. 2, and a rectangular plate portion 211 extending radially from the end portion of the hole forming portion 211, And a plate portion 212 which is a plate of a plate.

However, the shape and configuration of the yoke plate 210 are not particularly limited, and any shape and configuration can be used as long as the movable hole 211a is formed and the yoke member 220 is connected and configured.

The yoke member 220 may be connected to the yoke plate 210, for example, to the plate portion 212 of the yoke plate 210, as described above, to cover at least a portion of the bobbin 300. The yoke member 220 may be, for example, a " C "shape as shown in Fig. That is, the yoke member 220 may include two side portions 221 and a connecting portion 222 connected to the ends of the two side portions 221.

However, the shape and the configuration of the yoke member 220 are not particularly limited, and any shape and configuration can be used as long as it is connected to the yoke plate 210 so as to cover at least a part of the bobbin 300.

The bobbin 300 may be located within the yoke 200.

One side of the bobbin 300 may be connected to the yoke plate 210. For example, one side of the bobbin 300 may be fitted and connected to the above-mentioned plate portion 212 of the yoke plate 210. The other side of the bobbin 300 may be connected to the yoke member 220. For example, the other side of the bobbin 300 may be connected to the connection portion 222 of the " C "-shaped yoke member 220.

However, the shape and configuration of the bobbin 300 located in the yoke 200 are not particularly limited, and any shape and configuration can be used as long as the shape and configuration of the bobbin 300 can be located in the yoke 200.

When the electric power is applied to the bobbin 300, the coil CL that generates the magnetic force may be wound. For example, the bobbin 300 may include a coil winding portion 310 that is cylindrical to allow the coil CL to be wound, as shown in FIG.

The coil CL may be connected to a power source (not shown) by a wire LE so that electricity can be applied.

The bobbin 300 may have a second moving hole 311 as shown in FIGS. 2 and 3. The second moving hole 311 may be formed through the bobbin 300 including the coil winding portion 310. The second moving hole 311 of the bobbin 300 can communicate with the first moving hole 211a of the yoke portion 200, for example, the first moving hole 211a of the yoke plate 210. [ The moving part 400 can be movably provided in the first moving hole 211a of the yoke part 200 and the second moving hole 311 of the bobbin 300. [

The bobbin 300 may have a member seating groove 320 formed at one side thereof. The member receiving groove 320 can communicate with the second moving hole 311. [ Then, a magnet protecting member 700 to be described later can be inserted and seated.

The moving part 400 can be movably provided in the first moving hole 211a of the yoke part 200 and the second moving hole 311 of the bobbin 300 as described above.

3, the moving part 400 is positioned at a charging position where the first and second moving holes 211a and 311 are brought into close contact with the permanent magnet 500 side by the magnetic force of the permanent magnet 500, Can be moved between the first and second moving holes 211a and 311 by the elastic force of the first elastic member 600 and the trip position in which the yoke portion 200 is closely contacted with the yoke plate 210 side.

At least a part of the moving part 400 may be made of a magnetic material. The magnetic body constituting at least a part of the moving part 400 is not particularly limited, and any magnetic body can be used.

The moving part 400 may include a moving core 410 and a cap member 420. The moving core 410 may be movably provided in the first and second moving holes 211a and 311 of the yoke 200 and the bobbin 300. [

The moving core 410 is connected to the moving member 411 moving in the first and second moving holes 211a and 311 and the first moving hole 211a of the yoke 200 and connected to the cap member 420 And a rod unit 412.

The moving part 411 may have a shape corresponding to the first and second moving holes 211a and 311. For example, the moving unit 411 may be cylindrical. However, the shape of the moving part 411 is not particularly limited, and any shape can be used as long as the shape corresponds to the first and second moving holes 211a and 311. [

The diameter of the rod portion 412 may be smaller than the diameter of the moving portion 411. The end of the rod 412 may be provided with a latching part 412a connected to the cap member 420. The engaging portion 412a may have a rectangular shape, for example. However, the shape of the latching portion 412a is not particularly limited, and any shape can be used as long as it is connected to the cap member 420. [

The cap member 420 may be connected to the moving core 410. The cap member 420 may be formed with a connection hole 421 corresponding to the shape of the engagement portion 412a of the rod portion 412 of the moving core 410. [ The connection hole 421 may be formed through the cap member 420.

In addition, the coupling hole 421 may be formed with a latching protrusion 421a to which the latching portion 412a of the rod portion 412 is hooked. As a result, when the engaging portion 412a of the rod portion 412 is inserted into the connecting hole 421 of the cap member 420 and is rotated after moving a predetermined distance, the engaging portion 412a of the rod portion 412 is engaged with the cap It can be caught by the engagement protrusion 421a of the connection hole 421 of the member 420. [

The cap member 420 can move in the direction of the moving core 410 but can not move in the direction opposite to the moving core 410.

However, the configuration in which the cap member 420 is connected to the moving core 410 is not particularly limited, and any known configuration such as being connected by fitting or bolt is possible.

The elastic force of the first elastic member 600 may be applied to the cap member 420. To this end, the cap member 420 may be provided with a support portion 422 elastically supported by the first elastic member 600.

Meanwhile, a second elastic member 800 may be provided between the moving core 410 and the cap member 420. An external force applied to the cap member 420 in the direction of the moving core 410 can be transmitted to the moving core 410 through the second elastic member 800. [ When the moving part 400 moves to the trip position as shown in FIG. 4 and then an external force is applied to the cap member 420 in the direction of the moving core 410, the moving part 400 is moved It is possible to return to the charging position as shown in FIG.

The second elastic member 800 may be, for example, a coil spring. However, the second elastic member 800 is not particularly limited, and any well-known elastic member such as a leaf spring can be used as long as it is provided between the moving core 410 and the cap member 420 so as to exert an elastic force.

The permanent magnet 500 may be provided between the bobbin 300 and the yoke 200. The permanent magnet 500 can apply a magnetic force to the moving part 400 so that the moving part 400 is in the charging position as shown in FIG.

The permanent magnet 500 may be disk-shaped. However, the shape of the permanent magnet 500 is not particularly limited and may be any shape.

The permanent magnet 500 can be protected by the impact by the moving part 400 and fixed in place by the magnet protecting member 700. [

As described above, since the permanent magnet 500 can be held in place by the magnet protecting member 700, the permanent magnet 500 may not be displaced in place when the trip device 100 is assembled.

Then, the trip device 100 can be easily assembled, and the time required for assembling the trip device 100 can be reduced.

The magnet protecting member 700 may be provided between the bobbin 300 and the permanent magnet 500. Accordingly, the permanent magnet 500 may not directly contact the moving part 400, so that the permanent magnet 500 can be protected from the impact due to the movement of the moving part 400.

The magnet protecting member 700 may be made of a magnetic material. 3, the magnetic force of the permanent magnet 500 can be transmitted to the moving core 410 of the moving part 400 through the magnet protecting member 700 at the charging position of the moving part 400 have.

The magnet protecting member 700 may cover one open side of the second moving hole 311. [ To this end, at least part of the magnet protecting member 700 may be inserted into the second moving hole 311. [ In addition, the magnet protecting member 700 can be inserted into the member seating groove 320 of the bobbin 300 described above and can be seated.

A magnet fitting groove 710 may be formed in the magnet protecting member 700. At least a part of the permanent magnet 500 can be inserted and fitted into the magnet fitting groove 710 of the magnet protecting member 700. Thereby, the permanent magnet 500 can be fixed in place.

The magnet fitting groove 710 may have a shape corresponding to the permanent magnet 500. The magnet fitting groove 710 may be circular, for example. However, the shape of the magnet fitting groove 710 is not particularly limited, and any shape can be used as long as it is a shape corresponding to the permanent magnet 500.

The first elastic member 600 may be provided between the moving part 400 and the yoke part 200. When the magnetic force of the permanent magnet 500 is reduced by the magnetic force of the coil CL wound on the bobbin 300, the moving part 500 can be moved to the trip position as shown in FIG.

The first elastic member 600 may be a coil spring. The first elastic member 600 is not particularly limited and may be provided between the moving part 400 and the yoke part 200. When the magnetic force of the permanent magnet 500 is reduced, Any known elastic member can be used as long as it is moved.

As described above, when the trip device according to the present invention is used, the permanent magnets can be fixed in place by the magnet protecting member for protecting the permanent magnets included in the trip device, the trip device can be easily assembled, Can be reduced.

The above-described trip device is not limited to the configuration of the above-described embodiment, but the embodiments may be configured by selectively combining all or a part of each embodiment so that various modifications may be made.

100: trip device 200: yoke part
210: yoke plate 211: hole forming part
212: plate portion 211a: first moving hole
220: yoke member 221: side member
222: connection part 300: bobbin
310: coil winding part 311: second moving hole
320: member seating groove 400: moving part
410: moving core 411: moving part
412: Rod section 412a:
420: cap member 421: connecting hole
421a: engaging jaw 422:
500: permanent magnet 600: first elastic member
700: Magnet protecting member 710: Magnet fitting groove
800: second elastic member CL: coil
LE: Wires

Claims (9)

A yoke part at least partially made of a magnetic material;
A bobbin disposed in the yoke and wound with a coil generating a magnetic force when electricity is applied;
A moving part movably provided in the first and second moving holes respectively formed in the yoke part and the bobbin, the moving part being at least partially made of a magnetic material;
A permanent magnet provided between the bobbin and the yoke to apply a magnetic force so that the moving part is at a charging position; And
A first elastic member provided between the moving part and the yoke part to move the moving part to the trip position when the magnetic force of the permanent magnet is reduced by the magnetic force of the coil; / RTI >
Wherein the permanent magnet is protected by a shock due to the movement of the moving part by the magnet protecting member and is fixed in place. The trip device according to claim 1, wherein the magnet protection member is provided between the bobbin and the permanent magnet and is made of a magnetic material. 3. The trip device according to claim 2, wherein the magnet protecting member covers one open side of the second moving hole. 4. The trip device according to claim 3, wherein the magnet protecting member is at least partially inserted into the second moving hole. The trip device according to claim 3, wherein a member seating groove is formed at one side of the bobbin to communicate with the second moving hole and to receive and seat the magnet protecting member. The trip device according to claim 4, wherein the magnet protection member is formed with a magnet fitting groove into which at least a part of the permanent magnet is inserted. The motorcycle according to claim 1, wherein the yoke
A yoke plate having the first moving hole formed therein; And
A yoke member connected to the yoke plate to cover at least a part of the bobbin; . The apparatus of claim 1, wherein the moving part
A moving core movably provided in the first and second moving holes; And
A cap member connected to the moving core and applying an elastic force by the first elastic member;
. The trip device according to claim 8, wherein a second elastic member is provided between the moving core and the cap member.





KR1020160000319A 2016-01-04 2016-01-04 Trip apparatus KR20170081778A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1020160000319A KR20170081778A (en) 2016-01-04 2016-01-04 Trip apparatus

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1020160000319A KR20170081778A (en) 2016-01-04 2016-01-04 Trip apparatus

Publications (1)

Publication Number Publication Date
KR20170081778A true KR20170081778A (en) 2017-07-13

Family

ID=59352718

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1020160000319A KR20170081778A (en) 2016-01-04 2016-01-04 Trip apparatus

Country Status (1)

Country Link
KR (1) KR20170081778A (en)

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