KR20110008811U - Electro magnetic actuator reducible the loss of magnetic flux and driving apparatus having the same - Google Patents

Abstract

The present invention relates to a manipulator minimizing magnetic flux loss and a drive device having the same. The manipulator according to the present invention includes a stator element 1101 including a fixed core core 1120 and a stator coil wound around an outer circumference of the fixed core core 1120; The stator element is formed on the stator element by forming a magnetic circuit which is spaced apart on the top of the fixed core core 1120 and in combination with an electromagnetic force generated by the excitation of the stator coils, in which an attractive or repulsive force acts on the fixed core core 1120. A mover element 1201 including a permanent magnet 1210 moving to a second position away from the first position approaching 1101; An opening spring elastically supporting the mover element 1201 in a direction away from the stator element 1101; And a bottom surface and a side surface of the stator element 1101 and the bottom surface of the fixed iron core 1120 are in contact with each other and provided as a magnetic flux flow path together with the permanent magnet 1210 and the fixed iron core 1120. It is made by including the forming member 3000. The drive device of the present invention is configured to operate such as opening and closing an electric circuit under operation of the manipulator described above.

Description

Manipulator with minimized magnetic flux loss and driving device having same {{Electro MAGNETIC ACTUATOR REDUCIBLE THE LOSS OF MAGNETIC FLUX AND DRIVING APPARATUS HAVING THE SAME}

The present invention moves the mover to the first position or the second position by using the magnetic force of the permanent magnet and the electromagnetic force caused by the current excited by the coil, and when the movement is completed, the magnetic force of the permanent magnet and the spring force are not supplied. The present invention relates to a manipulator capable of continuously maintaining a state moved by the actuator and a driving device using the manipulator, and more particularly, to a manipulator and a drive apparatus including the same, which improve efficiency by minimizing magnetic flux loss between the stator element and the mover element. .

The manipulator is an electronic device such as an electromagnetic contactor, an electronic switchgear, a breaker, or a mechanical device that requires an exercise device that reciprocates periodically or intermittently for a certain distance, and is located opposite to one position (first position) of the reciprocating section. A driving force generating mechanism for linear reciprocating motion to a position (second position).

The drive device is a device that moves a power mechanism such as a machine or a measuring instrument by utilizing the above-described manipulator as a drive force generating mechanism. Examples of such a driving device commonly used in a power system include a magnetic contactor (MC) or a circuit breaker (CB).

In addition, the breaker is more specifically, an earth leakage breaker such as an electric leakage breaker (ELB), an earth leakage circuit breaker (ELCB), a molded case circuit breaker (MCCB), a no fuse breaker (NFB), a circuit breaker for motor protection (MMS). ; Circuit breaker for wiring such as Manual Motor Starter.

The present inventors, as well as the study of the manipulator and the drive device of the structure that can simplify the operation and increase the operating force, in particular for the manipulator and the drive device that can reduce the power consumption by not requiring power supply after the completion of operation I have been working on it.

As one of the results of the research, Korean Patent Application No. 2010-1306 (filed on Jan. 07, 2010), which was invented by the present inventors, uses a magnetic force of a permanent magnet and an electromagnetic force caused by an electric current excited by a coil. There is disclosed a manipulator and a driving device for moving and maintaining the moved state by the magnetic force of the permanent magnet and the force of the opening spring at the time when the movement is completed.

One example of the manipulator disclosed in the above patent application and a driving device having the same are shown in FIGS. 1 and 2. 1 is a cross-sectional view of the driving device, and FIG. 2 is a side cross-sectional view taken along the longitudinal center axis of the driving device of FIG. 1.

As shown in FIGS. 1 and 2, the manipulator 1000a elastically supports the stator element 1100 and the mover element 1200 and the mover element 1200 in a direction away from the stator element 1100. It includes an opening spring (2000).

The driving device 100 is a type in which the movable element 1200 of the manipulator 1000a is connected to the fixed contact assembly 150 serving as the driven element.

Specifically, the stator element 1100 includes a fixed iron core core 1120 which is a magnetic body, and is wound around the fixed iron core core 1120 thereof, and the electromagnetic circuits of opposite directions that are independent of each other by application of independent currents to each other. An input side coil 1140 and an open side coil 1150 are included.

The mover element 1200 moves to a second position (or an open position) away from a first position (or an insertion position) closer to the stator element 1100, and is disposed above the fixed core core 1120. Permanent magnets 1220 which form a magnetic circuit in which attraction or repulsive force acts on the fixed core core 1120 in combination with the electromagnetic force generated by the excitation of the input side coil 1140 or the open side coil 1150. Include.

In the manipulator 1000a, when the current is applied to the input side coil 1140 or the open side coil 1150, the movable element 1200 including the permanent magnet 1220 is moved to a first position or a second position by an electromagnetic force. In the state where the movement to the first position or the second position is completed, the current is applied between the fixed coil core 1120 and the permanent magnet 1220 even though the current is interrupted by the input side coil 1140 and the open side coil 1150. It is held in the first position or the second position by the magnetic force (human force) or the elastic restoring force of the opening spring 2000 to maintain the state continuously.

On the other hand, in the driving device, as an example of the electromagnetic contactor MC, the manipulator 1000a is installed in the lower and upper cases 111 and 112, and the movable element 1200 of the manipulator 1000a is movable contact. It is connected to the assembly 150 to perform the operation (closing or ON) or open (open or OFF) the power circuit.

A plurality of power supply side terminals 171 (see FIG. 2) and a load side terminal 172 are provided in the front and rear directions of the upper case 112, and the movable contact assembly (described above) is provided between the terminals 171 and 172 on both sides. 150) is installed.

The movable contact assembly 150 is a spring for elastically pressing down the holder 151, the movable contactor 160, and the movable contactor 160 to which the movable element 1200 of the manipulator 1000a is connected as shown in FIG. 2. 163. Movable contacts 161 and 162 are formed at both ends of the movable contact 160, respectively.

In response to the movable contacts 161 and 162, a power supply terminal 171 and a load side terminal 172 are provided at both sides of the upper case 112, and fixed terminals 181 are provided at each terminal 171 and 172. 182 is formed.

Meanwhile, an auxiliary terminal 190 is installed at one side of the cases 111 and 112, and an external feed line for introducing current into the input side coil 1140 and the open side coil 1150 is provided at the auxiliary terminal 190. Connected.

The mover element 1200 is connected to the holder 151 of the movable contact assembly 150 by an extension shaft 1262 and a coupling shaft 1264.

In such a drive device, when a current is applied to the open side coil 1150 of the manipulator 1000a, the movable element 1200 is pushed upward by the repulsive force with the stator element 1100 and the elastic restoring force of the open spring 2000. Going up In the position where the mover element 1200 has moved upward to the end (second position: the open position), when the current applied to the open side coil 1150 is interrupted, the mover element 1200 of the open spring 2000 It is supported and held in the open position (second position) only by the elastic force.

As described above, as the mover element 1200 of the manipulator 1000a is operated to the upper second position, the movable contact assembly 150 of the drive apparatus 100 is also moved upward, and thus the movable contact 160 The contact devices 161 and 162 are separated from the contacts 181 and 182 of the power supply side and the load side terminals 171 and 172 so that the driving device 100 is in an open state (OFF state). In addition, when the movable element 1200 is held in the second position, the holder 151 is also continuously moved upward, so that the circuit is continuously maintained in the OFF state.

Next, when a current is applied to the input side coil 1140 of the manipulator 1000a, the mover element 1200 is pulled downward toward the stator element 1100. When the current applied to the input side coil 1140 is interrupted at the position (first position: closing position) where the movable element 1200 has moved downward to the end, the magnetic field caused by the excitation of the stator element 1100 disappears, The mover element 1200 is held in the input position by the attraction between the permanent magnet 1220 and the fixed iron core 1120.

As described above, when the mover element 1200 operates in the lower first position, the movable contact assembly 150 of the drive apparatus 100 is also moved downward, and accordingly, the contacts 161 and 162 of the movable contact 160. ) Is attached to the contacts 181 and 182 of the power supply side and the load side terminals 171 and 172, and the circuit is turned ON. In addition, when the movable element 1200 is held in the first position, the holder 151 is also continuously moved downward so that the circuit is continuously maintained in the ON state.

As described above, the conventional manipulator and the driving device allow current to flow to the coil only during the ON or OFF operation, and the permanent magnet is maintained even if the mover does not supply the coil to the input or open position. The main advantage is that the spring and the open spring are continuously maintained so that there is no power consumption after the operation is completed.

However, in the closing state, the attraction force acting between the permanent magnet 1220 and the fixed core core 1120 must overcome the elastic restoring force of the opening spring 2000 to continuously restrain the movable element 1200 at the closing position.

Therefore, if the magnetic force of the permanent magnet 1220 is not used as a binding force, since the size of the permanent magnet 1220 or the fixed core core 1120 must be increased, it is difficult to enjoy many of the above-mentioned advantages or to enjoy the obstacles. There is concern.

From the viewpoint of fully utilizing the magnetic force of the permanent magnet as the restraining force of the movable element, the attractive force of the permanent magnet 1220 and the fixed iron core 1120 depends on the magnetic flux density, and the magnetic flux density depends on the magnetic flux flow. The magnetic flux flow is influenced by the formation of a magnetic path, which leads to the idea that if the magnetic path is smoothly secured, the magnetic flux loss can be reduced and most of the magnetic force of the permanent magnet can be used as a binding force.

Therefore, an object of the present invention is to provide a manipulator and a drive device having a structure capable of minimizing magnetic flux loss by effectively securing a magnetic path between a stator element (fixed core core) and a mover element (permanent magnet).

In order to achieve the above object, the manipulator according to an aspect of the present invention, a stator element comprising a fixed iron core core, an input side coil and an open side coil wound axially adjacent to an outer circumference of the fixed iron core core; Close to the stator element by forming a magnetic circuit which is kept spaced on top of the fixed iron core core and in combination with the electromagnetic force generated by the excitation of the input side coil or the open side coil, an attractive or repulsive force acts on the fixed core core. A mover element comprising a permanent magnet moving to a second position away from the first position; An opening spring elastically supporting the mover element in a direction away from the stator element; And a ruler forming member surrounding the bottom and side surfaces of the stator element and installed in contact with the bottom surface of the fixed iron core core to serve as a magnetic flux flow path together with the permanent magnet and the fixed iron core core.

According to another aspect of the present invention, a manipulator includes: a stator element including a fixed iron core and an input side coil and an open side coil wound in a form overlapping with an outer circumference of the fixed core core; Close to the stator element by forming a magnetic circuit which is kept spaced on top of the fixed iron core core and in combination with the electromagnetic force generated by the excitation of the input side coil or the open side coil, an attractive or repulsive force acts on the fixed core core. A mover element comprising a permanent magnet moving to a second position away from the first position; An opening spring elastically supporting the mover element in a direction away from the stator element; And a ruler forming member surrounding the bottom and side surfaces of the stator element and installed in contact with the bottom surface of the fixed iron core core to serve as a magnetic flux flow path together with the permanent magnet and the fixed iron core core.

According to another aspect of the present invention, a manipulator includes: a stator element including a fixed iron core and a stator coil wound around an outer circumference of the fixed iron core and forming an electromagnetic circuit in a forward or reverse direction by applying a current in a forward or reverse direction; A magnetic circuit which is spaced apart on top of the fixed core core and forms a magnetic circuit in which attraction or repulsive force acts on the fixed core core in combination with the electromagnetic force generated by the forward or reverse excitation of the stator coils to approach the stator element. A mover element comprising a permanent magnet moving to a second position away from one position; An opening spring elastically supporting the mover element in a direction away from the stator element; And a ruler forming member surrounding the bottom and side surfaces of the stator element and installed in contact with the bottom surface of the fixed iron core core to serve as a magnetic flux flow path together with the permanent magnet and the fixed iron core core.

In the above-described manipulator of the present invention, the ruler forming member may be formed to surround a part of the entire circumference of the side of the stator element.

In the above-described manipulator of the present invention, the ruler forming member may surround the entire lateral side of the stator element.

In the above-described manipulator of the present invention, it is preferable that the ruler forming member is further extended upward from the upper surface of the stator element to protrude.

In the above-described actuator of the present invention, the mover element may further include a mover iron core into which the permanent magnet is inserted.

Driving device according to an aspect of the present invention, the case; A manipulator installed inside the case; A holder integrally coupled to a mover element of the manipulator inside the case and moving to a first position and a second position by movement of the mover element; A plurality of movable contacts installed in the holder and having movable contacts formed at both ends thereof, respectively; And a power supply terminal and a load side terminal, each of which has fixed contacts corresponding to both movable contacts of the movable contact and is installed on both sides of the case, wherein the movable contact is moved to a first position or a second by moving the movable element. When the movable contact and the fixed contact are operated in the contact closing state or the contact opening state by moving to the position, and the current is interrupted to the coil of the manipulator when the movable element is completed moving to the first position or the second position, The movable element is restrained at the first position by a magnetic circuit flowing through the permanent magnet, the fixed iron core and the magnetizing member, or is held in the second position by the elastic restoring force of the opening spring so that the movable contact and the fixed contact are in the contact closing state. Or keep the contact open.

According to the manipulator and the driving device according to the present invention, the magnetic path is secured by the magnetic path forming member, and there is almost no magnetic flux loss, and thus the magnetic force possessed by the permanent magnet can be utilized as a restraining force for holding the movable element at the injection position.

1 is a cross-sectional view showing the structure of a conventional drive device.
2 is a side cross-sectional view of FIG. 1.
3 is a perspective view showing the configuration of the stator element according to the first embodiment of the present invention.
4 is a cross-sectional view showing a manipulator and a driving device having a stator element according to a first embodiment of the present invention.
5 is a side cross-sectional view of FIG. 4.
FIG. 6 is a view showing a state in which the mover is moved to a first position (feeding position) in FIG. 5.
FIG. 7 is a diagram illustrating simulation results of magnetic flux flow between the mover element and the stator element when the current is interrupted in the coil in FIG. 6.
FIG. 8 is a diagram of simulation results for flux flow in the case of using a conventional stator element. FIG.
9 is a cross-sectional view of the stator element and its drive device according to the second embodiment of the present invention.
10 is a sectional view of a stator element and a drive device thereof according to a third embodiment of the present invention.

Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings. The direction defined in the following description and claims and drawings, i.e., 'upward', 'downward', 'left', 'right', 'forward' and 'rear' is for convenience of description of the device. It is intended to be easy to understand and easy to understand, but these directions are not absolute and may change depending on the installation conditions. For example, when the manipulator or the magnetic contactor is laid down, the above directions are changed accordingly.

In addition, describing the closing position (first position) and the opening position (second position) is a position arbitrarily set to distinguish two directions or positions in which the movable element moves for convenience of understanding. While the first position does not necessarily refer to the closing position, the closing position does not necessarily refer to the closing position of the circuit, and the second position does not necessarily refer to the opening position, while the open position always opens the circuit ( It doesn't mean where to open.

Hereinafter, the same parts as those of FIGS. 1 and 2 described above will be described with the same reference numerals.

(Embodiment 1)

3 shows a stator element 1101 according to a first embodiment of the present invention.

As shown in FIG. 3, the stator element 1101 includes a fixed iron core 1120 made of magnetic material, an input side coil 1140 and an open side coil 1150 wound around the outer circumference of the fixed iron core core 1120. Include. The input side coil 1140 and the open side coil 1150 are adjacently installed along the axial direction, that is, along the axial direction of the fixed iron core 1120.

The present invention particularly has a structure in which a ruler forming member 3000 is installed to surround the bottom and side surfaces of the stator element 1101.

Specifically, the magnetic path forming member 3000 is made of a magnetic material, the lower plate 3002 surrounding the bottom of the stator element 1101, and upwardly in a form surrounding the side of the stator element 1101 from the lower plate 3002. Extending side perimeter plate 3004.

The ruler forming member 3000 has a fixed iron core 1120 in contact with a lower plate 3002 thereof, and an upper end of the side circumferential plate 3004 is closer than the upper surface of the stator element 1101 so as to be close to the permanent magnet 1120. By further extending to maintain the protruding shape to form a path through which the magnetic flux of the permanent magnet 1210 flows.

In the embodiment shown in FIG. 3, the magneto-forming member 3000 employs a form of wrapping a part of the entire circumference of the side of the stator element 1101. That is, two side circumferential plates 3004 facing each other surround only a portion of the side circumference of the stator element 1101. However, the ruler forming member 3000 may be configured to surround the entire lateral side of the stator element 1101. That is, the side circumference plate 3004 may have a shape as if the side circumference of the container (容器) to wrap around the entire side circumference of the stator element 1101.

In addition, in the embodiment shown in Fig. 3, since the side circumference of the bobbin 1160 is made of a quadrangle, the shape of the side circumferential plate 3004 is shown in a flat shape along the contour of two opposite sides of the quadrangle. If the side circumferential plate 3004 is configured in such a manner as to surround the entire side circumference of the stator element 1101, the side circumferential plate 3004 at this time will take the shape of the entire circumferential side of the rectangular container.

If the side circumferences of the bobbin 1160 and the coils 1140 and 1150 are formed in a circular shape as described in the aforementioned Patent Application No. 2010-1306, the side circumferential plate 3004 is shaped like an arc. Or will take the shape of the entire circumference of the side of the container.

4 and 5 show an manipulator 1001 having a stator element 1101 with a ruler forming member 3000 and a drive device 101 provided with the manipulator 1001.

As shown in FIGS. 4 and 5, the manipulator 1001 is fixed with the ruler forming member 3000 positioned at the bottom of the lower case 111.

The mover element 1201 of the manipulator 1001 is connected to the holder 151 of the movable contact assembly 150 and moves with the holder 151 to a first position (in position) or a second position (open position). .

In this embodiment, the mover element 1201 is configured such that the mover iron core 1230 is coupled to the holder 151 while the permanent magnet 1210 is pressed into the mover iron core 1230.

In addition, the open spring 2001 is installed between the holder 151 of the movable contact assembly 150 and the lower case 111. Inserting protrusions 152 are extended downwards on both sides of the holder 151, the boss case 113 and the insertion hole 114 is formed in the lower case 111, the insertion protrusions 152 and the insertion hole 114 An opening spring 2001 is installed in the opening.

4 and 5 show the movable element 1201 moved to an upper second position (open position).

When a current is applied to the open side coil 1150 with the mover element 1201 in the first position (injection position) (see FIG. 6), the fixed core core 1120 is magnetized, whereby magnetic flux and permanent Between the magnetic flux of the magnet 1210, an electromagnetic repulsion force is generated to apply a force to push the movable element 1201 to the second position (open direction). The mover element 1201 is moved to the second position by such a repulsive force and the elastic restoring force of the opening spring 2001 to be in a state as shown in FIGS. 4 and 5.

When the mover element 1201 moves to the second position in this manner, the movable contact assembly 150 is also moved upward to be in an open state (OFF state). At this time, since the contacts 161 and 162 of the movable contact 160 are separated from the contacts 181 and 182 of the terminals 171 and 172, the power supplied to the load side is cut off.

When the mover element 1201 moves to the second position and blocks the current applied to the open side coil 1150, the mover element 1201 and the movable contact assembly 150 are resilient to the opening spring 2001. Only by being held in the open position (second position) by the bay, the circuit open state is maintained continuously.

In the open position, when a current is applied to the input side coil 1140, the fixed iron core 1120 is magnetized by the input side coil 1140 in the opposite direction to the above-mentioned opening, whereby the fixed iron core ( The magnetic circuit is formed through the 1120, the permanent magnet 1210, and the magnetic path forming member 3000, so that the permanent magnet 1210 is pulled to the first position (the input position). That is, as shown in FIG. 6, the movable element 1201 is pulled down to approach the stator element 1101.

As shown in FIG. 6, when the current is applied to the input side coil 1140 in the state where the mover element 1201 is located at the closing position, the function of the electromagnet applied to the fixed core core 1120 disappears. The magnetic force by the permanent magnet 1210 acts on the fixed core core 1120 and is held as it is in the injection position with the force.

At this time, according to the present invention, since the magneto-forming member 3000 is provided on the stator element 1101, the magnetic force of the permanent magnet 1210 passes through the lower fixing core core 1120 to form the magnetic-forming member 3000. ) And then reaches the upper end of the gyro forming member 3000 to reach the permanent magnet 1210 again.

At this time, the shape of the gyros is shown in FIG. 7. In contrast, Fig. 8 shows the shape of the magnetic path formed when a conventional stator element is used.

According to the present invention, as shown in FIG. 7, it can be seen that the magnetic force lines by the permanent magnet 1210 flow densely along the fixed iron core 1120 and the magnetic path forming member 3000. As shown in Fig. 8, it can be seen that the spacing between magnetic field lines is large and sporadic.

That is, the present invention, as compared to the conventional magnetic field lines are formed very densely know that the magnetic flux density is much larger. Since the magnetic flux density is that the strength of the magnetic field is large, the magnetic force of the permanent magnet 1210 is mostly stator elements ( 1101 and the permanent magnet 1210 can be seen to be used as a pulling force.

That is, according to the present invention, since the magnetic path is secured by the magnetic path forming member 3000, there is almost no magnetic flux loss, and thus the magnetic force possessed by the permanent magnet 1210 can be utilized as a restraining force for holding the movable element 1201 at the injection position. And, accordingly, it is possible to easily overcome the restoring force of the opening spring (2001) and maintain the input state continuously.

(Second Embodiment)

9 shows a manipulator 1001a and a drive device 101a having a stator element 1101a according to a second embodiment of the present invention.

The manipulator 1001a according to the present embodiment differs from the manipulator 1001 according to the first embodiment only in the arrangement relationship between the input side coil 1140a and the open side coil 1150a of the stator element 1101a and the rest of the configuration. Is the same.

In the manipulator 1001 according to the first embodiment, the input side coil 1140 and the open side coil 1150 are arranged adjacent to each other in the axial direction (up and down direction in the drawing), but the manipulator 1001a according to the present embodiment includes: Either one of the input side coil and the open side coil is wound in the radially inner side, and the other coil is wound in the radially outer side, etc., it can be variously arranged as necessary.

In the embodiment shown in FIG. 9, the input side coil 1140a is arrange | positioned radially inward, and the open side coil 1150a is comprised by the form wound around the outer periphery of the input side coil 1140a. The positions of the input side coil 1140a and the open side coil 1150a may be changed depending on the situation.

The operation process of the manipulator 1001a according to the present embodiment, and the operation and action of the driving device 101a including the manipulator 1001a according to the present embodiment are the manipulator 1001 and the driving device 101 of the first embodiment. Since the operation is the same as, detailed description thereof will be omitted.

(Third Embodiment)

FIG. 10 shows a manipulator 1001b and a drive device 101b having a stator element 1101b according to a third embodiment of the present invention.

The manipulator 1001b according to the present embodiment differs only in the form of the coil from the manipulators 1001 and 1001a according to the first and second embodiments, and the rest of the configuration is the same.

That is, in the manipulator 1001 and 1001a according to the first and second embodiments, two coils, called the input side coil 1140 and the open side coil 1150, are divided and arranged, but the manipulator according to the present embodiment ( In 1001b), only one stator coil 1145 is provided.

This embodiment has one stator coil 1145 and one stator coil 1145 as compared with the first and second embodiments having two coils according to the operation direction of the mover element 1201. By applying a current in the forward or reverse direction to the flow direction, the magnetic flux flows in the forward or reverse direction to move the movable element 1201 to the first position (injection position) or the second position (open position).

Operations and operations of the manipulator 1001b and the driving device 101b according to the present embodiment are the same as those of the first and second embodiments, and thus detailed description thereof will be omitted.

As described above, according to the present invention, the magnetic flux forming member is introduced into the stator element to effectively secure the magnetic path between the stator element and the movable element, thereby minimizing magnetic flux loss. Therefore, the magnetic force of the permanent magnet can be utilized as a force for restraining the mover element, thereby minimizing the size of the mover element, thereby realizing a more compact manipulator and driving device.

In the accompanying drawings and the description above, only one magnetic contactor MC has been described as an example of the driving device. However, the manipulator of the present invention has the same method as the above-described magnetic contactor, the electromagnetic switch MS, the general circuit breaker CB, The circuit breaker (ELB or ELCB), wiring breaker (MCCB or NFB), motor protection wiring breaker (MMS) and the like can be utilized in many mechanical devices and measuring devices.

In the above described specific embodiments of the present invention shown in the accompanying drawings in detail, but this is only an example of a preferred form of the present invention, the scope of protection of the present invention is not limited thereto. In addition, the embodiments of the present invention as described above can be variously modified and equivalent other embodiments by those of ordinary skill in the art within the technical spirit of the present invention, these modifications and other equivalent embodiments are naturally It belongs to the utility model registration claim of the present invention.

101, 101a, 101b: drive device (magnetic contactor)
111: lower case 112: upper case
113: boss portion 114: insertion hole
150: movable contact assembly 151: holder
152: insertion protrusion 160: movable contact
161, 162: movable contact 163: spring
171: power supply terminal 172: load side terminal
181, 182: fixed contact
1001, 1001a, 1001b: Manipulator
1101, 1101a, 1101b: stator elements
1120: fixed iron core 1140: input side coil
1145: stator coil 1150: open side coil
1160: bobbin 1201: mover element
1210 permanent magnet 1230 mover iron core
2001: Opening spring 3000: member formed by rule

Claims (8)

A stator element 1101 including a fixed iron core 1120 and an input side coil 1140 and an open side coil 1150 wound around an outer circumference of the fixed iron core core 1120 axially;
Forced or repulsive force is applied to the fixed core core 1120 in combination with the electromagnetic force generated by the excitation of the input side coil 1140 or the open side coil 1150 is maintained at the top of the fixed iron core core 1120. A mover element (1201) including a permanent magnet (1210) that forms a magnetic circuit to act and moves to a second position away from a first position approaching the stator element (1101);
An opening spring elastically supporting the mover element 1201 in a direction away from the stator element 1101; And
A magnetic wrap that surrounds the bottom and side surfaces of the stator element 1101 and is in contact with the bottom surface of the fixed core core 1120 to serve as a magnetic flux flow path together with the permanent magnet 1210 and the fixed core core 1120. And a forming member (3000). A stator element 1101a including a fixed iron core 1120 and an input side coil 1140a and an open side coil 1150a wound in a radially overlapping manner on the outer circumference of the fixed iron core core 1120;
Forced or repulsive force is maintained on the fixed iron core core 1120 with respect to the fixed iron core core 1120 in combination with an electromagnetic force generated by the excitation of the input side coil 1140a or the open side coil 1150a. A mover element 1201 including a permanent magnet 1210 forming a operative magnetic circuit and moving to a second position away from a first position approaching the stator element 1101a;
An opening spring elastically supporting the mover element 1201 in a direction away from the stator element 1101a; And
The magnetic pole which surrounds the bottom and side surfaces of the stator element 1101a and is provided in contact with the bottom surface of the fixed core core 1120 to serve as a magnetic flux flow path together with the permanent magnet 1210 and the fixed core core 1120. And a forming member (3000). Stator element 1101b comprising a fixed iron core 1120 and a stator coil 1145 wound around the outer circumference of the fixed iron core core 1120 and forming an electromagnetic circuit in a forward or reverse direction by applying a current in a forward or reverse direction. ;
Magnetic circuits which are spaced apart from the top of the fixed core core 1120 and whose magnetic force or repulsive force act on the fixed core core 1120 in combination with the electromagnetic force generated by the forward or reverse excitation of the stator coil 1145. A mover element 1201 that includes a permanent magnet 1210 that is formed and moves to a second position away from a first position that is closer to the stator element 1101b;
An opening spring elastically supporting the mover element 1201 in a direction away from the stator element 1101b; And
Wrapping the bottom and side surfaces of the stator element 1101b and the bottom surface of the fixed core core 1120 is in contact with each other and provided as a magnetic flux flow path along with the permanent magnet 1210 and the fixed core core 1120 And a forming member (3000). The method according to any one of claims 1 to 3,
The ruler forming member (3000) surrounds a portion of the entire perimeter of the side of the stator element (1101). The method according to any one of claims 1 to 3,
The ruler forming member (3000) wraps around the entire side of the stator element (1101). The method according to any one of claims 1 to 3,
The ruler forming member (3000) extends further upward than the top surface of the stator element (1101). The method according to any one of claims 1 to 3,
The mover element (1201) includes a mover iron core (1230) into which the permanent magnet (1210) is inserted. case;
A manipulator according to any one of claims 1 to 3 installed inside the case;
A holder 151 integrally coupled to the mover element 1201 of the manipulator in the case and moving to a first position and a second position by the movement of the mover element 1201;
A plurality of movable contacts 160 installed in the holder 151 and having movable contacts 161 and 162 formed at both ends thereof, respectively; And
Fixed contacts 181 and 182 corresponding to both side movable contacts 161 and 162 of the movable contact 160 are formed to include a power supply terminal 171 and a load side terminal 172 respectively installed on both sides of the case. ,
By moving the movable element 1201, the movable contact 160 moves to the first position or the second position, whereby the movable contacts 161, 162 and the fixed contacts 181, 182 are in contact contact state or Operated in the contact open state,
If the mover element 1201 cuts off the current in the coil of the manipulator when the mover element 1201 finishes moving to the first position or the second position, the mover element 1201 is a permanent magnet 1210, a fixed iron core 1120 and a magnetic path. The movable contacts 161 and 162 and the fixed contacts 181 and 182 are contacted by the magnetic circuit flowing through the forming member 3000 or held in the second position by the elastic restoring force of the opening spring. Drive device characterized in that it is continuously maintained in the state or contact open state.

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