KR20170002853U - Assembling Structure between Electromagnetic Contactor and Surge Protector - Google Patents

Assembling Structure between Electromagnetic Contactor and Surge Protector Download PDF

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Publication number
KR20170002853U
KR20170002853U KR2020160000598U KR20160000598U KR20170002853U KR 20170002853 U KR20170002853 U KR 20170002853U KR 2020160000598 U KR2020160000598 U KR 2020160000598U KR 20160000598 U KR20160000598 U KR 20160000598U KR 20170002853 U KR20170002853 U KR 20170002853U
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KR
South Korea
Prior art keywords
surge protector
terminal
electromagnetic contactor
coil
assembling structure
Prior art date
Application number
KR2020160000598U
Other languages
Korean (ko)
Inventor
장현일
Original Assignee
엘에스산전 주식회사
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 엘에스산전 주식회사 filed Critical 엘에스산전 주식회사
Priority to KR2020160000598U priority Critical patent/KR20170002853U/en
Publication of KR20170002853U publication Critical patent/KR20170002853U/en

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Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H50/00—Details of electromagnetic relays
    • H01H50/02—Bases; Casings; Covers
    • H01H50/021—Bases; Casings; Covers structurally combining a relay and an electronic component, e.g. varistor, RC circuit
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H50/00—Details of electromagnetic relays
    • H01H50/02—Bases; Casings; Covers
    • H01H50/04—Mounting complete relay or separate parts of relay on a base or inside a case
    • H01H50/041—Details concerning assembly of relays
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H50/00—Details of electromagnetic relays
    • H01H50/02—Bases; Casings; Covers
    • H01H50/04—Mounting complete relay or separate parts of relay on a base or inside a case
    • H01H50/041—Details concerning assembly of relays
    • H01H50/042—Different parts are assembled by insertion without extra mounting facilities like screws, in an isolated mounting part, e.g. stack mounting on a coil-support
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H50/00—Details of electromagnetic relays
    • H01H50/44—Magnetic coils or windings
    • H01H50/443—Connections to coils

Abstract

The present invention relates to an assembly structure of an electromagnetic contactor and a surge protector, and more particularly, to an assembly structure of an electromagnetic contactor and a surge protector such that the assembling property is improved and the terminal wire is not exposed to the outside.
According to an embodiment of the present invention, an assembly structure of an electromagnetic contactor and a surge protector includes an electromagnetic contactor and a surge protector detachably coupled to the electromagnetic contactor, A lower frame having a receiving portion through which a terminal hole is formed in the receiving portion; A coil terminal installed in the lower frame and coupled to a coil assembly embedded in the lower frame; And a surge protector terminal protruded from one side of the surge protector and inserted into the terminal hole and connected to the coil terminal.

Description

[0001] The present invention relates to an electromagnetic contactor and a surge protector,

The present invention relates to an assembly structure of an electromagnetic contactor and a surge protector, and more particularly, to an assembly structure of an electromagnetic contactor and a surge protector such that the assembling property is improved and the terminal wire is not exposed to the outside.

Generally, an electromagnetic contactor (Electro-magnetic Contactor) or an electromagnetic switch (Magnetic Switch) is a kind of electric circuit switching device that transmits mechanical signal and current signal by using the principle of electromagnet. It is used for various industrial equipment, Respectively.

Magnetic contactors may be equipped with accessories on the inside and the outside for the convenience of use or for special purposes. One of these accessories is Surge Protector or Surge Protective Device. A surge protector is a device that attenuates transients and noise. It is also called a TVSS (Teensient Voltage Surge Suppressor). Surge protectors are devices designed to attenuate transients that occur in very short moments on power lines and control lines connected to power lines, telephone lines, data networks, CCTV circuits, cable TV circuits and electronic equipment. A surge protector is a protective device that prevents current from flowing through the surge protector itself, allowing current to flow through the surge protector when the surge current enters the power system, thereby preventing excessive voltage rise in the load.

Figure 1 shows a prior art electromagnetic contactor and surge protector. FIG. 2 shows a state where the surge protector is coupled to the electromagnetic contactor in FIG.

A receiving portion 3 is formed on one side surface of the lower frame 2 of the electromagnetic contactor 1. [ A surge protector (6) is inserted into the accommodating portion (3). Specifically, the insertion portion 7, which protrudes on one side of the surge protector 6, is inserted into the accommodating portion 3. [ At this time, the terminal line 8 of the surge protector 6 is inserted into the operation coil terminal groove 4 of the electromagnetic contactor 1 and is connected by a screw connection method or the like.

However, in the assembled structure of the surge protector 6 of the electromagnetic contactor 1 according to the related art, the terminal wire 8 is exposed to the outside, occupying a space, and there is a risk of a safety accident. Further, since the terminal wire 8 is inserted into the operation coil terminal groove 4 and must be screwed, the assemblability is deteriorated.

The object of the present invention is to provide an assembled structure of an electromagnetic contactor and a surge protector which is improved in assemblability and in which a terminal wire is not exposed to the outside.

According to an embodiment of the present invention, an assembly structure of an electromagnetic contactor and a surge protector includes an electromagnetic contactor and a surge protector detachably coupled to the electromagnetic contactor, A lower frame having a receiving portion through which a terminal hole is formed in the receiving portion; A coil terminal installed in the lower frame and coupled to a coil assembly embedded in the lower frame; And a surge protector terminal protruded from one side of the surge protector and inserted into the terminal hole and connected to the coil terminal.

Here, the coil terminal and the surge protector terminal are formed of solid conductors.

Further, the receptacle portion is characterized in that the surge protector is completely inserted and is not exposed to the outside.

Further, a flexible plate is provided on the upper surface of the surge protector and has an elastic force when inserted into the accommodating portion.

In addition, a surge protector connection portion extending to one side is formed on the coil terminal, and the surge protector terminal is connected to the surge protector connection portion.

Further, a coupling groove is formed in the surge protector terminal and is connected to the coil terminal.

Further, the connecting portion of the surge protecting device is formed with a connecting end portion formed by a groove or a hole.

Further, the connection end is formed of any one of a square hole, a circular hole, a circular groove, and a U-shaped groove.

The protector may be formed on the surge protector terminal and coupled to the connection end.

According to the assembling structure of the electromagnetic contactor and the surge protector according to the embodiment of the present invention, since the terminal portion is also combined only by inserting the surge protector into the electromagnetic contactor, the assembling property is improved.

In addition, since the terminal line of the surge protector is not exposed to the outside, it is advantageous in securing the space and the risk of safety accident is prevented.

1 is a perspective view of an electromagnetic contactor and a surge protector according to the prior art.
FIG. 2 is a perspective view of the electromagnetic contactor and the surge protector combined in FIG. 1; FIG.
3 is a perspective view of an electromagnetic contactor and a surge protector according to an embodiment of the present invention.
4 is a perspective view of the state where the electromagnetic contactor and the surge protector are combined in FIG.
5 is a partially exploded perspective view of FIG.
6 is a perspective view of a lower frame applied to an electromagnetic contactor according to an embodiment of the present invention.
7 is a perspective view of a coil assembly applied to an electromagnetic contactor according to an embodiment of the present invention;
8 is a perspective view of a coil terminal applied to an electromagnetic contactor according to an embodiment of the present invention.
9 is a perspective view of a surge protector applied to an electromagnetic contactor according to an embodiment of the present invention.
Figs. 10A to 10D are respectively another embodiment of the surge protector connection portion of the coil terminal in Fig.
11A to 11D show another embodiment of the surge protector terminal, respectively.

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, preferred embodiments of the present invention will be described with reference to the accompanying drawings, which are intended to illustrate the present invention in such a manner that a person skilled in the art can easily carry out the present invention. And does not mean that the technical idea and category of the design is limited.

FIG. 3 is a perspective view of an electromagnetic contactor and a surge protector according to an embodiment of the present invention, FIG. 4 is a perspective view of the electromagnetic contactor and a surge protector in FIG. 3, and FIG. 5 is a partially exploded perspective view of FIG. 6, 7, 8 and 9 are perspective views of a lower frame, a coil assembly, a coil terminal, and a surge protector applied to an electromagnetic contactor according to an embodiment of the present invention. The assembling structure of the electromagnetic contactor and the surge protector according to one embodiment of the present invention will be described in detail with reference to the drawings.

The assembling structure of the electromagnetic contactor and the surge protector according to an embodiment of the present invention includes an assembling structure of the electromagnetic contactor and the surge protector including the electromagnetic contactor 10 and the surge protector 20 detachably coupled to the electromagnetic contactor 10 A lower frame (11) having a receiving portion (12) capable of receiving the surge protector (20) and having a terminal hole (13) formed in the receiving portion (12); A coil terminal 16 installed inside the lower frame 11 and coupled to a coil assembly 15 embedded in the lower frame 11; And a surge protector terminal 25 protruding from one side of the surge protector 20 and inserted into the terminal hole 13 and connected to the coil terminal 16. [

The electromagnetic contactor 10 may be a case composed of an upper frame 17 and a lower frame 11. A crossbar hole 18 is formed in the upper frame 17 so that the crossbar 19 can be partially exposed. A contact portion (not shown) may be provided inside the upper frame 17.

At one side of the lower frame 11, a receiving portion 12 to which the surge protector 20 can be mounted is formed. A plurality of terminal holes 13 may be formed in the accommodating portion 12 (see FIG. 6). In addition, the accommodation portion 12 may be provided with a fixing portion 14 for fixing the surge protector 20 to a part thereof. Here, the fixing portion 14 may be formed in a protruding shape.

A terminal hole 11a through which the terminal portion 15a of the coil assembly 15 is exposed is formed on one side of the lower frame 11. [ The terminal portion hole 11a may be provided at the upper portion of the receiving portion 12. [

A coil assembly 15 is installed in the lower frame 11 (see Figs. 5 and 7). The coil assembly 15 includes a side plate 15b on which the terminal portion 15a is installed, a bobbin 15d on which the coil 15c is installed, a fixed core insertion portion 15b formed on one side of the bobbin 15d, A PCB 15g connected to the other side of the bobbin 15d, a b contact switch 15h, and the like.

One end of the coil terminal 16 is connected to the end of the coil 15c and the other end is exposed to the terminal portion 15a. The coil terminal 16 may be made entirely of plate or bar type solid metal. The coil terminals 16 are respectively provided with terminals 16a on both sides and can be connected to a power source or a load. The central portion 16b of the coil terminal 16 may be formed by bending in a form that can be coupled to the coil assembly 15 (see FIG. 8).

A coil connection portion 16c for connecting the coil 15c is protruded from a part of the coil terminal 16. [ The coil connection portion 16c may vertically protrude downward from a part of the coil terminal 16. [ The coil connection portion 16c may have an extending surface extending horizontally to a part.

A surge protector connection portion 16d connected to the surge protector 20 is protrudingly formed on the other end of the coil terminal 16 (on the side where the surge protector 20 is coupled). The surge protector connection portion 16d may protrude from the other end of the coil terminal 16 to one side (e.g., vertically downward). The surge protector connection portion 16d may be formed in the shape of a right angle bar as shown in FIG. The surge protector connection portion 16d may be made of a solid metal like the coil terminal 16.

The surge protector 20 is a device for attenuating transient voltage and noise, and is a device designed to attenuate transient voltages occurring at a very short time, which appear on power lines and control lines. The surge protector 20 is a protective device that prevents surge current from flowing through the surge protector 20 itself when the surge current enters the power system and does not flow through the load.

The surge protector 20 may be formed to have a size that is completely inserted into the accommodating portion 12 and is not exposed to the outside. Accordingly, a compact design can be achieved by reducing the occupied space, so that the present invention can be effectively applied when the installation space is small.

The upper surface of the surge protector 20 is provided with a flexible plate 21 so as to have an elastic force when inserted into the accommodating portion 12. That is, when the surge protector 20 is inserted into the accommodating portion 12, the flexible plate 21 is pressed by the upper surface of the accommodating portion 12 while being pressed with an elastic force, .

The flexible plate 21 is formed with fixing protrusions 22 and can be fitted in the fixing portions 14 in the accommodating portion 12. That is, when the surge protector 20 is inserted into the receiving portion 12, the fixing protrusion 22 is fitted into the fixing portion 14 so that the surge protector 20 is stably coupled State.

A surge protector terminal (25) is protruded from the surge protector (20). The surge protector terminal 25 is formed of a solid metal. When the surge protector 20 is inserted into the receptacle 12, the surge protector terminal 25 is inserted into the lower frame 11 through the terminal hole 13 and connected to the surge protector connection 16d. Since both the surge protector terminal 25 and the surge protector connection portion 16d are formed in a solid shape, the connecting operation of the connection portion is performed only by inserting the surge protector 20 into the accommodating portion 12 without any manual work, .

The surge protector terminal 25 is formed with a coupling groove 25a and can be connected to the surge protector connection portion 16d. That is, the surge protector connection portion 16d can be engaged with the engagement groove 25a of the surge protector terminal 25.

A coil terminal 16 according to another embodiment of the present invention is shown in Figures 10a-10d. In each embodiment, only the surge protector connection portion 16d is shown because it is different from the surge protector connection portion 16d.

In Fig. 10A, the surge protector connection portion 16d-1 is formed in the shape of a round bar. Since the surge protector connection portion 16d-1 is formed in a round bar shape, it can be smoothly coupled when the surge protector terminal 25 is coupled.

In Fig. 10B, a connecting end portion 16e is formed at the end of the surge protecting device connecting portion 16d-1, which is formed by a right angle groove or a right angle hole.

In Fig. 10C, the connection end portion 16e-1 is formed as a circular groove or a circular hole.

In Fig. 10D, the connection end portion 16e-2 is formed as a U-shaped groove.

A surge protector terminal 25 according to yet another embodiment of the present invention is shown in Figures 11A-11C.

11A shows that the engaging groove 25a-1 of the surge protector terminal 25-1 forms a U-shaped groove. And corresponds to the surge protector connection portion 16d formed in a circular bar shape.

In Fig. 11B, a protrusion 26 protrudes from the surge protector terminal 25-2. The protrusions 26 may be formed in a rectangular shape. And corresponds to the surge protector connection portion 16d-2 formed in the shape of a right angle groove or a right angle hole.

In Fig. 11C, it is shown that the protrusion 26-1 of the surge protector terminal 25-3 is formed in a circular shape. And corresponds to the surge protector connection portions 16d-3 and 16d-4 formed in the shape of a circular hole or a U-shaped groove.

In Fig. 11D, the end of the protrusion 26 of the surge protector terminal 25-4 is shown to have a hemispherical shape. And corresponds to a surge protector connection portion 16d formed in a circular hole or a U-shaped groove.

According to the assembling structure of the electromagnetic contactor and the surge protector according to the embodiment of the present invention, since the terminal portion is also combined only by inserting the surge protector into the electromagnetic contactor, the assembling property is improved.

In addition, since the terminal line of the surge protector is not exposed to the outside, it is advantageous in securing the space and the risk of safety accident is prevented.

While the present invention has been particularly shown and described with reference to exemplary embodiments thereof, it is to be understood that the invention is not limited to the disclosed exemplary embodiments. Therefore, the embodiments disclosed in the present invention are intended to illustrate rather than limit the technical idea of the present invention, and the scope of technical idea of the present invention is not limited by these embodiments. That is, the scope of protection of the present invention should be construed according to the following claims, and all technical ideas which are within the scope of the same should be interpreted as being included in the scope of the present invention.

10 Magnetic contactor 11 Lower frame
11a terminal portion hole 12 accommodating portion
13 terminal hole 14 fixing portion
15 coil assembly 15a terminal portion
15b side plate 15c coil
15d bobbin 15e fixed core
15f Insertion part 15g PCB board
15h Switch 16 coil terminal
16a central portion of terminal 16b
16c coil connection part 16d surge protector connection part
17 upper frame 18 crossbar hole
19 crossbar 20 surge protector
21 Flexible plate 22 Fixing projection
25 Surge protector terminal 25a Coupling groove

Claims (9)

An assembling structure of an electromagnetic contactor and a surge protector including an electromagnetic contactor and a surge protector detachably coupled to the electromagnetic contactor,
A lower frame having a receiving portion capable of accommodating the surge protector and having a terminal hole formed in the receiving portion;
A coil terminal installed in the lower frame and coupled to a coil assembly embedded in the lower frame; And
And a surge protector terminal protruding from one side of the surge protector and inserted into the terminal hole and connected to the coil terminal. The assembling structure of the electromagnetic contactor and the surge protector according to claim 1, wherein the coil terminal and the surge protector terminal are formed of solid conductors. The assembling structure of the electromagnetic contactor and the surge protector according to claim 1, wherein the surge protector is completely inserted into the accommodating portion and is not exposed to the outside. The assembling structure of the electromagnetic contactor and the surge protector according to claim 1, wherein a flexible plate is provided on an upper surface of the surge protector and has an elastic force when the surge protector is inserted into the accommodating portion. The assembling structure of the electromagnetic contactor and the surge protector according to claim 1, wherein a surge protector connection portion extending to one side is formed on the coil terminal, and the surge protector terminal is connected to the surge protector connection portion. The assembling structure of the electromagnetic contactor and the surge protector according to claim 1, wherein a coupling groove is formed in the surge protector terminal and is connected to the coil terminal. The assembling structure of the electromagnetic contactor and the surge protector according to claim 5, wherein the connection portion of the surge protector is formed with a groove or hole. The assembling structure of the electromagnetic contactor and the surge protector according to claim 7, wherein the connection end is formed of any one of a square hole, a circular hole, a circular groove, and a U-shaped groove. The assembling structure of the electromagnetic contactor and the surge protector according to claim 8, wherein a protrusion is formed on the surge protector terminal and can be coupled to the connection end.

KR2020160000598U 2016-02-02 2016-02-02 Assembling Structure between Electromagnetic Contactor and Surge Protector KR20170002853U (en)

Priority Applications (1)

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KR2020160000598U KR20170002853U (en) 2016-02-02 2016-02-02 Assembling Structure between Electromagnetic Contactor and Surge Protector

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR2020160000598U KR20170002853U (en) 2016-02-02 2016-02-02 Assembling Structure between Electromagnetic Contactor and Surge Protector

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KR20170002853U true KR20170002853U (en) 2017-08-10

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3624156A1 (en) * 2018-09-17 2020-03-18 Microelettrica Scientifica S.p.A. Improved contactor device structure with improved auxiliary switch
KR20210144069A (en) 2020-05-21 2021-11-30 최충현 Drive control device of magnet contact

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3624156A1 (en) * 2018-09-17 2020-03-18 Microelettrica Scientifica S.p.A. Improved contactor device structure with improved auxiliary switch
WO2020057908A1 (en) * 2018-09-17 2020-03-26 Microelettrica Scientifica S.P.A. Improved contactor device structure with improved auxiliary switch
KR20210144069A (en) 2020-05-21 2021-11-30 최충현 Drive control device of magnet contact

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