KR20160115331A - Switchgear for Power Off using permanent magnets and electromagnets - Google Patents

Abstract

BACKGROUND OF THE INVENTION 1. Field of the Invention [0001] The present invention relates to an opening / closing apparatus for power shutoff using permanent magnets and electromagnets.
In order to accomplish this, the power shutoff device 100, which is connected to the electric line for selectively using or disconnecting the power source to be used, supplies the DC power through the coil 113 so that the electromagnet can be generated A direct current power supply unit 101; A power shutoff switch 110 which is operated to supply and cut off power through the switching circuit 102 in the 'on' state of the DC power source; And a fixed terminal portion 120 and a floating terminal portion 130 that are selectively detachably attached by a power shutoff switch.
According to the present invention configured as described above, the power used by being connected to the electric line can be selectively intercepted or reconnected, thereby greatly improving the quality and reliability of the product. Therefore, ), So that it can give a good image.

Description

BACKGROUND OF THE INVENTION 1. Field of the Invention [0001] The present invention relates to a permanent magnet and an electromagnet,

BACKGROUND OF THE INVENTION 1. Field of the Invention [0001] The present invention relates to an electric power shutoff device using permanent magnets and electromagnets, and more particularly, The quality and reliability are greatly improved, so that it meets the various needs of the consumers who are the users, so that they can give good images.

In general, the electric switching devices used for supplying power to the load side when using electric devices or for shutting off the power when an abnormal situation (eg, overload, short circuit, etc.) occurs on the load side are as follows.

First, there is an Earth Leakage Breaker (ELB), but it uses a solenoid of electromagnetic type to detect the overload or electric leakage and cut off the power.

There are electromagnetic switches (electromagnetische betatigung schalter) and electromagnetic relays, which have relatively low voltage and low current relays using the tension of electromagnets, springs and metal plates, but they are bulky and complicated In addition, a great problem has arisen that the manufacturing cost is high and the probability of failure is high.

In addition, the above-mentioned prior art is bulky compared to the capacity even in the case of the electromagnetic type, and in order to use the rated capacity according to the characteristics of the relay, an operating current always flows to the coil of the relay electromagnet, and the space between the stationary contact and the floating contact is narrow, And the insulation breakdown phenomenon of the dielectric layer.

In addition, there is a thermal switch in the prior art. However, since it is simple and small in volume compared to the above-described earth leakage breaker or electromagnetic switch, it is operated by overheating, There was also a risk of burning that caused a big problem.

In order to solve the above problems, the following prior art documents have been developed in the past, but the above-mentioned problems of the prior art have not been solved yet.

Korean Patent Registration No. 1103381 (Dec. 30, 2011) has been registered. Korean Patent Registration No. 1155658 (2012.06.05) has been registered. Korean Registered Patent No. 1342519 (Dec. 12, 2013) has been registered.

SUMMARY OF THE INVENTION The present invention has been made in order to solve the problems of the prior art as described above, and it is a first object of the present invention to provide a power supply shutoff device having a power shutoff switch, a fixed terminal and a floating terminal, A second object of the present invention is to provide a power source for a power line connected to an electric line for selectively intercepting or re-connecting the power line. A third object of the present invention is to provide a power source having a relatively small breaking capacity, 4 The purpose is to maximize the energization capacity by making the opening and closing speed high and the connection state of both contacts at a correct horizontal angle and the fifth purpose is to secure the maximum separation space of the upper and lower contacts when power is cut off, And the dielectric breakdown and burn-out caused by the arc discharge can be suppressed. The seventh object is to provide a power cutoff device which consumes no power other than a short moment of the cutoff operation (OFF), and the eighth purpose is to provide a power cutoff device Accordingly, the quality and reliability of the product are significantly improved. Thus, a power supply interrupting device using a permanent magnet and an electromagnet to provide a good image by satisfying various needs of users is provided.

In order to achieve the above object, the present invention provides a power shutoff device for selectively disconnecting or connecting a power source connected to an electric line, comprising: a DC power source for supplying DC power through a coil so that an electromagnet can be generated; ; A power shutoff opening / closing unit operable to supply and cut off power through the switching circuit unit when the power source of the direct current power source unit is 'on'; And a fixed terminal portion and a floating terminal portion that are selectively detachably attached by a power shutoff switch, and a power terminal shutoff device using the permanent magnet and the electromagnet.

In addition, the present invention provides a power shutoff device for selectively interrupting or connecting a power source connected to an electric line, comprising: a DC power source for supplying DC power through a coil to generate an electromagnet; A power shutoff opening / closing unit operable to supply and cut off power through the switching circuit unit when the power source of the direct current power source unit is 'on'; And a fixed terminal portion and a floating terminal portion that are selectively detachably attached by a power shutoff switch, and a power terminal shutoff device using the permanent magnet and the electromagnet.

In addition, the present invention provides a power shutoff device for selectively interrupting or connecting a power source connected to an electric line, comprising: a DC power source for supplying DC power through a coil to generate an electromagnet; A power shutoff opening / closing unit operable to supply and cut off power through the switching circuit unit when the power source of the direct current power source unit is 'on'; And a fixed terminal portion and a floating terminal portion that are selectively detachably attached by a power shutoff switch, and a power terminal shutoff device using the permanent magnet and the electromagnet.

As described above in detail, according to the present invention, the power shutoff device includes a power shutoff switch, a fixed terminal, and a floating terminal.

According to the present invention, a power source connected to an electric line can be selectively or easily disconnected or reconnected.

In addition, the present invention has a relatively small blocking capacity with a small size.

In addition, the present invention allows the connection state of both contact points to be a high horizontal angle with a high opening / closing speed, thereby maximizing the current carrying capacity.

In addition, the present invention secures a maximum spacing distance of the upper and lower contacts when the power is turned off, so that insulation breakdown and burnout due to arc discharge (ARC) discharge, which may occur during shutdown, can be suppressed.

In addition, the present invention eliminates the mechanical elements and simplifies the parts, thereby reducing the cost and the failure factor.

In addition, the present invention provides a power cutoff device that consumes no power other than a short moment of shutdown operation (OFF).

The present invention greatly improves the quality and reliability of a product due to the above-mentioned effects, and thus is a very useful invention that can provide a good image by satisfying various needs of consumers who are users.

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

Fig. 1 is a view showing an open / close state for power-off using a permanent magnet and an electromagnet applied to the present invention
Fig.
2 is an application circuit diagram of Fig.
Fig. 3 is a view showing an open / close state for power shutoff using a permanent magnet and an electromagnet applied to the present invention
Fig.
4 is an application circuit diagram of Figs. 3 and 5. Fig.
Fig. 5 is a view showing an open / close state for power shutoff using a permanent magnet and an electromagnet applied to the present invention
Fig.

The power-off switching device using the permanent magnet and the electromagnet applied to the present invention is constructed as shown in Figs. 1 to 5.

In the following description of the present invention, detailed description of known functions and configurations incorporated herein will be omitted when it may make the subject matter of the present invention rather unclear.

It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory and are intended to provide further explanation of the invention as claimed.

First, a first embodiment of a power-off switching device using a permanent magnet and an electromagnet applied to the present invention is configured as shown in Figs.

That is, the power-off switching device 100, which is connected to the electric line applied to the present invention to selectively use or disconnect the power source to be used, supplies DC power through the coil 113 so that an electromagnet can be generated A DC power supply unit 201 is provided.

And a power shutoff switch 110 that operates to supply and cut off power through the switching circuit 202 when the power of the DC power source is 'on'.

And a fixed terminal portion 120 and a floating terminal portion 130 that are selectively detachable by the power shutoff switch.

In particular, the power shutoff switch 110 applied to the present invention is configured as follows.

That is, the electromagnet steel piece 114 fixed to the case 111 is provided.

Further, a bobbin 112 provided on the outer circumferential surface of the electromagnet piece and having a coil 113 wound around the outer circumferential surface thereof is provided.

A housing 116 is provided at an upper end of the bobbin.

A permanent magnet 115 provided inside the housing and selectively detachably attached to the electromagnet wire; an insulator 133 for fixing a floating contact integrally protruding from one side of the permanent magnet; A contact point 132 is provided.

Further, a fixed contact 122 provided at the lower end of the insulator of the floating contact and fixed to the fixed contact connection terminal 121 is provided.

A button 117 is provided on the upper end of the permanent magnet.

Finally, a fixed iron piece 118 assembled on the outer surface of the button is provided.

In the drawing, reference numeral 131 denotes a floating contact wire line terminal, and 134 denotes a conduction line.

The second embodiment of the power supply shutoff device using the permanent magnet and the electromagnet applied to the present invention is configured as shown in Fig.

That is, the power shutoff device 200, which is connected to the electric line to selectively use or disconnect the power source to be used, may include a DC power supply unit (not shown) for supplying DC power through the coil 213 301 are provided.

And a power shutoff switch 210 that is operated to supply and shut off power through the switching circuit 302 when the power of the DC power source is 'on'.

And a fixed terminal portion 220 and a floating terminal portion 230 that are selectively detached by the power shutoff switch.

In particular, the power shutoff switch 210 applied to the present invention is configured as follows.

That is, the ON-use permanent magnet 222 is fixed to the fixed contact mounting insulator 221, and the fixed terminal portion 220 having the fixed contact terminal 223 and the fixed contact 224 at both ends is provided.

A floating terminal portion 230 having a floating contact terminal 233 and a floating contact 234 is provided at both ends of the floating contact mounting insulator 231.

And an electromagnet steel piece 211 assembled to the insulator for floating contact mounting.

A button 216 is provided on the top of the electromagnet piece.

Further, a bobbin 212 provided on the outer circumferential surface of the electromagnet piece and having a coil 213 wound around the outer circumferential surface thereof is provided.

Finally, an OFF permanent magnet 215 is provided on the upper end of the bobbin.

Reference numeral 235 denotes a floating contact connecting line.

A third embodiment of the power-off switching device using the permanent magnet and the electromagnet applied to the present invention is configured as shown in Fig.

That is, the power source shutoff device 300, which is connected to the electric line and selectively uses the power source to cut off or connect the power source, supplies DC power through the coils 315 and 317 so that an electromagnet can be generated A DC power source unit 301 is provided.

And a power shutoff switch 310 which is operated to supply and cut off power through the switching circuit 302 when the power of the DC power supply is 'on'.

And a fixed terminal portion 320 and a floating terminal portion 330 that are selectively detachably attached by the power shutoff switch.

In particular, the power shutoff switch 310 applied to the present invention is configured as follows.

That is, the ON-use permanent magnet 322 is fixed to the fixed contact mounting insulator 321, and the fixed terminal portion 320 having the fixed contact terminal 323 and the fixed contact 324 at both ends thereof is provided.

A floating terminal portion 330 having a floating contact terminal 333 and a floating contact 334 is provided at both ends of the insulator 331 for inserting the floating contact selectively detachably attached to the fixed terminal portion.

And an OFF electromagnet steel piece 311 which is assembled and installed in the insulator for floating contact mounting.

The nonmagnetic member 312 provided by the connecting member 312a at the upper end of the magnet for OFF-use and the electromagnet 313 for ON provided by the connecting member at the upper end of the nonmagnetic member are provided.

And an OFF permanent magnet 318 that is selectively detachably attached to the upper end of the ON-purpose electromagnet piece.

And a bobbin 314 provided on the outer circumferential surface of the electromagnetic osseous piece for OFF and having a coil 315 wound on the outer circumferential surface thereof.

Finally, a bobbin 316 is provided on the outer circumferential surface of the ON-state electromagnet piece and the coil 317 is wound on the outer circumferential surface.

Reference numeral 335 denotes a floating contact connecting line.

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.

It is to be understood that the invention is not to be limited to the specific forms thereof which are to be described in the foregoing description, but on the contrary, the intention is to cover all modifications, equivalents, and alternatives falling within the spirit and scope of the invention as defined by the appended claims. .

The operation and effect of the power-off switching device using the permanent magnet and the electromagnet according to the present invention will be described as follows.

First, the present invention uses a permanent magnet and a magnetic body of an electromagnet to mutually use the strong magnetic force that the permanent magnet is attached to and detached from the iron piece of the magnetic body constituting the electromagnet to energize the electric connection contacts with each other, When a polarity of an electromagnet is made to be the same as that of a permanent magnet attached to a magnetic body by flowing a current to a coil constituting the electromagnet, a current capable of generating a strong electromagnet flows through the electromagnet coil The instant permanent magnets are pushed back by the repulsive force, and the upper and lower contacts, which are energized, are instantaneously dropped from each other and shut off the power supply. It is a simple and reliable power cutoff device capable of energizing a rated capacity which is smaller than the size.

The operation and effect of the first embodiment of the power-off switching device using the permanent magnet and the electromagnet applied to the present invention will be described as follows.

When the electromagnet 114 is saturated with the electric current flowing through the electromagnet coil 113 when the power is turned on, the permanent magnet 115 repulss when the electromagnet 114 becomes the electromagnet, The permanent magnet 132 having the floating contact 132 pushed by the electromagnet steel piece 114 so that the power is cut off while the floating contact 132 drops from the fixed contact point 122 and the power is shut off, And a permanent magnet is attached by a stationary iron piece 118 which serves to hold the coil 115. The power button is turned on by pressing a button 117 in a button operation.

Effects of the second embodiment of the power-off switching device using the permanent magnet and the electromagnet applied to the present invention will be described as follows.

1, the ON-use permanent magnet 222 is fixed, the stationary contact 224 is also mounted on the permanent magnet 222 for ON, and the floating contact 234 is mounted on the electromagnet 211 side The electromagnetic contact piece 234 and the stationary contact piece 224 are connected and energized while the electromagnet wire piece 211 is attached and detached by the magnetic force of the ON permanent magnet piece 222, The electromagnet steel piece 211 is repelled and pushed while the electromagnet steel piece 211 flowing through the electromagnet steel piece 211 is magnetized to have the same polarity as that of the ON permanent magnet 222 while the magnetic force is generated and the moving contact 234 is fixed to the fixed contact 224, And the power supply is turned off while being in the connected state.

The electromagnet steel piece 211 is attached and detached by the magnetic force of the OFF permanent magnet 215 mounted on the rear side of the coil 213 to maintain the OFF state and to return it to the ON state, When a button 216 is inserted in the rear of the button 216 and the button is exposed to the outside, a slight force is applied from the upper surface of the button 216 to push the button, Is separated from the OFF permanent magnet 215 and moves toward the ON permanent magnet 222 to be drawn and pulled by the magnetic force of the ON permanent magnet 222 and again connected to the power supply contact so that the switch is turned ON It is.

The operation and effect of the third embodiment of the power-off switching device using the permanent magnet and the electromagnet applied to the present invention will be described as follows.

3, an electromagnet coil 317 for returning from a switch-off state to an ON state in the structure of FIG. 3, and an electromagnet coil 317 for generating an electromagnet 313 and the electromagnet iron piece 311 for turning OFF the electromagnet iron piece 311 to be turned OFF from the OFF state to the ON state, When the switch is in the ON state, the OFF electromagnet steel piece 311 of the field coil 315 for off-electromagnet is attached and detached by the magnetic force of the ON permanent magnet 322, The switch is turned on in a state in which the floating contact 334 inserted at both ends of the insulator 331 for inserting the floating contact connected to the permanent magnet 322 and the fixed contact mounted at the side of the permanent magnet for ON 322 are connected together, In the control circuit When the magnetic force is generated by magnetizing the OFF electromagnet steel piece 311 by flowing a current having the same polarity as that of the ON permanent magnet 322 to the electromagnet field coil 315 for OFF, The nonmagnetic member 312 inserted at the same position is pushed as well as being pushed toward the coil 315 while pushing the electromagnet wire piece 313 for ON which has been inserted to the coil 317 backward to the rear side of the coil 317 The electromagnet coil 317 for ON is held in the OFF state for the permanent magnet 318 for OFF and the switch is kept in the OFF state while the electromagnet coil 317 for ON is turned on in the switch control circuit to turn on the switch, The electromagnet iron piece 313 for ON is repulsed under the same condition as the condition of the electromagnet iron piece 311 for the OFF and the magnetic non-magnetic iron piece 313 is pushed out while the electric current of the same polarity as the OFF permanent magnet 318 is flowed, And pushing OFF When the magnet piece 311 is pushed toward the ON permanent magnet 322 and brought closer to the coil 317, the coil 317 is turned OFF by the force repelled by the non-magnetic member 312 and pulled by the ON permanent magnet 322 The electromagnet steel piece 311 is inserted into the both ends of the insulator 331 for the moving contact which is attached to the electromagnet steel piece 311 which is located at the turning permanent magnet 322 at a high speed and connected to the electromagnet steel piece 311 for OFF, Is connected to the stationary contact 324 mounted on the side of the ON permanent magnet 322 and is turned on again to be energized.

As described above, according to the power supply cut-off device of the present invention (so-called power supply switch), the switch operation current is allowed to flow only at the instant of operation of the switch, that is, Since there is no loss power of its own, there is an effect of power saving, and the connection and cutoff speed of the switch is the same as the attaching / detaching speed of the magnet, so that connection and cutoff are performed at a high speed, Especially, it is possible to use small and high capacity switching function compared with lever-type mechanical cut-off type of power cut-off device, and it is highly productive. Therefore, it can be widely used by electric automation device or ICT technology A power-saving type circuit breaker and a switch of the present invention.

The technical idea of the power-off switching device using the permanent magnet and the electromagnet of the present invention is that the same result can be repeatedly practiced. Particularly, by practicing the present invention, it is possible to promote technology development and contribute to industrial development, There is enough.

Description of the Related Art
100, 200, 300: opening / closing device for shutting off the power
110, 210, and 310: power shutoff switch
120, 220, and 320:
130, 230, 330:

Claims (6)

The power-off switching device 100, which is connected to the electric line to selectively use or disconnect power from the power source,
A direct current power source 101 for supplying a direct current power through a coil 113 so that an electromagnet can be generated;
A power shutoff switch 110 which is operated to supply and cut off power through the switching circuit 102 in the 'on' state of the DC power source; And
And a fixed terminal part (120) and a floating terminal part (130) selectively detachably attached by a power shutoff opening and closing part.
The method according to claim 1,
The power-off switching unit 110 includes a power-
An electromagnet steel piece 114 secured to the case 11;
A bobbin (112) provided on an outer circumferential surface of the electromagnet piece and having a coil (113) wound on an outer circumferential surface thereof;
A housing 116 provided at an upper end of the bobbin;
A permanent magnet 115 provided inside the housing and selectively detachably attached to the electromagnet steel piece; a floating contact fixing insulator 133 integrally protruding from one side of the permanent magnet; 132);
A fixed contact 122 provided at the lower end of the insulator for fixing the floating contact and fixed to the fixed contact connection terminal 121;
A button 117 provided at the upper end of the permanent magnet; And
And a fixed iron piece (118) assembled to an outer circumferential surface of the button.
The power-off switching device 200, which is connected to the electric line to selectively use or disconnect power from the power line,
A DC power supply unit 201 for supplying DC power through the coil 213 so that an electromagnet can be generated;
A power shutoff switch 210 that operates to supply and shut off power through the switching circuit 202 when the power of the DC power source is 'on'; And
And a fixed terminal part (220) and a floating terminal part (230) selectively removably attached by a power shutoff opening and closing part.
The method of claim 3,
The power-off switching unit 210 may include:
A fixed terminal portion 220 fixedly attached to the stationary contact mounting insulator 221 and having a fixed contact terminal 223 and a fixed contact 224 at both ends thereof;
A floating terminal portion 230 selectively detachably attached to the fixed terminal portion and having a floating contact terminal 233 and a floating contact 234 at both ends of the floating contact mounting insulator 231;
An electromagnet steel piece 211 assembled to the insulator for floating contact mounting;
A button (216) provided at the upper end of the electron scoop piece;
A bobbin 212 provided on an outer circumferential surface of the electromagnet piece and having a coil 213 wound on an outer circumferential surface thereof; And
And an OFF permanent magnet (215) is mounted on the upper end of the bobbin.
The power shutoff device 300, which is connected to the electric line to selectively use or disconnect power from the power line,
A DC power supply unit 301 for supplying DC power through the coils 315 and 317 so that an electromagnet can be generated;
A power shutoff switch 310 that operates to supply and shut off power through the switching circuit 302 when the power of the DC power source is 'on'; And
And a fixed terminal part (320) and a floating terminal part (330) selectively detachably attached by a power shutoff opening and closing part.
The method of claim 5,
The power-off switching unit 310 may include a power-
A fixed terminal portion 320 fixedly mounted on the fixed contact mounting insulator 321 with an ON permanent magnet 322 and fixed contact terminals 323 and fixed contacts 324 at both ends;
A floating terminal portion 330 selectively detachably attached to the fixed terminal portion and having a floating contact terminal 333 and a floating contact 334 at both ends of the floating contact mounting insulator 331;
An electromagnet steel piece 311 for OFF assembly which is assembled to the insulator for floating contact mounting;
Magnetic member 312 fixed by a connection member 312a fixed to the upper end of the electromagnetic slit piece for OFF and an electromagnet 313 for electromagnet 313 fixed to the lower end of the non-magnetic member by a connecting member;
An OFF permanent magnet 318 selectively detachably attached to the top of the electromagnet piece for ON;
A bobbin 314 provided on an outer circumferential surface of the electrospin piece for OFF and having a coil 315 wound on the outer circumferential surface thereof;
And a bobbin (316) provided on an outer circumferential surface of the electromagnet piece for ON and having a coil (317) wound around the outer circumferential surface thereof.

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