KR102136971B1 - Locking apparatus for electric device - Google Patents

Abstract

The present invention relates to a power device sealing apparatus, which comprises: a housing with an inlet hole through which a bolt member for fixing of a power device is inserted; a locking unit, as a locking unit moving upward by being connected to one end of the bolt member as the bolt member is inserted into the housing through the inlet hole, wherein the bolt member has a through hole formed in a direction perpendicular to a length direction; and a coupling pole unit of which a position is fixed by maintaining an engaged state with the locking unit before the locking unit moves upward by contact between the one end of the bolt member and the locking unit, and which is coupled with the bolt member by penetrating the bolt member through the through hole as the locking unit moves upward by the inlet of the bolt member to release the engaged state with the locking unit and is aligned with the through hole to move forward to penetrate the bolt member.

Description

Sealing device for electric power equipment{LOCKING APPARATUS FOR ELECTRIC DEVICE}

The present invention relates to a power device sealing device, and more particularly, to a power device sealing device for sealing a power device such as a power meter.

In general, a metering device for a watt-hour meter or an instrument box is provided with a sealing device for preventing the device from being challenged and forgery and manipulation. Examples of such sealing devices include stick-type plastic sealing devices and push-type plastic sealing devices, and the sealing devices have identification numbers, colors, and sealing numbers depending on the type (stick type and push type) and type (for instrumentation and modem operations). It is given differently. 1 shows a conventional stick-type plastic sealing device.

The conventional stick-type plastic sealing device is installed in a manner that is inserted into and fixed in a hole formed in a screw for fixing a watt-hour meter, an instrument box terminal block, and various covers, so it cannot be recycled after one use. There is a problem in that the sealing number, which has been stamped once, cannot be changed because it is imprinted on plastic, and thus the sealing device cannot be recycled. In addition, because there are limitations that can be easily removed with a tool such as a nipper or pliers and cannot perform a perfect role as a sealing, an outsider can easily remove the sealing device, resulting in a placebo case through the challenge and forgery of the power equipment. Many are occurring, and there is also a risk that the lost plastic seal will be used for other purposes.

In addition, if the sealing device is removed and resealed, such as the temporary removal of the electricity meter, such as the relocation or inspection of the electricity meter, or the opening of the electricity meter terminal block, the sealing device installation and removal time, history management of the subject and reason is not performed. There is a problem, and when an outsider forcibly releases the seal, a notification function is absent, so there is a limitation in preventing the wattmeter from being challenged and forged.

Background art of the present invention is disclosed in Korean Patent Publication No. 10-2003-0049275 (published on June 25, 2003).

The present invention was devised to solve the above-mentioned problems, and the purpose according to one aspect of the present invention is recyclable and prevents any dropout from the power equipment, and its history of installation and demolition time, subject and reason It is possible to provide a sealing device for a power device capable of preventing the release of a forced seal.

Power device sealing device according to an aspect of the present invention is a housing having an inlet hole into which a bolt member for fixing the power device is introduced, and as the bolt member is drawn into the interior of the housing through the inlet hole, As a locking portion that moves upwardly in contact with one end, the bolt member is formed with a through hole in a direction perpendicular to its longitudinal direction, by a contact between the locking portion and one end of the bolt member and the locking portion. Before the locking part moves upward, the position is fixed by maintaining the meshing state with the locking part, and the locking part is moved upward by the insertion of the bolt member, so that the meshing state with the locking part is released and the through hole and the alignment ( It is characterized in that it comprises a fastening rod portion that is fastened to the bolt member by moving forward as it is aligned) through the through-hole through the bolt member.

In the present invention, the locking portion, the push portion in contact with one end of the bolt member, the engaging portion is engaged with the fastening rod portion to restrain the forward and backward movement of the fastening rod portion, the push portion and the restraining portion It is characterized in that it further comprises a base plate and a first elastic part coupled to the base plate and pressing the base plate in a downward direction.

In the present invention, the fastening rod portion maintains a meshing state with the restraining portion according to the pressure in the downward direction of the first elastic portion before the locking portion moves upward by contact between one end of the bolt member and the locking portion. The position is fixed, and the locking part is moved upward by the introduction of the bolt member to move forward as the engagement state with the restraining part is released, thereby engaging the bolt member, and after the bolt member is engaged with the first elastic It is characterized in that the position is fixed again by engaging with the restraint according to the pressure in the downward direction of the negative.

In the present invention, the sealing device for the electric power device further includes an inner wall portion formed inside the housing, and a second elastic portion provided between the inner wall portion and the fastening rod portion to press the fastening rod portion in the forward direction. , The fastening rod portion is fastened with the bolt member by being moved forward by being pressed in the forward direction by the second elastic portion as the locking portion is moved upward by the introduction of the bolt member and the engagement state with the restraining portion is released. It is characterized by being.

In the present invention, the fastening rod portion is a first groove portion that is engaged by receiving the restraining portion before the locking portion moves upward by contact between the locking portion and one end of the bolt member, and after being fastened with the bolt member, the It characterized in that it comprises a second groove formed to be spaced apart by a predetermined distance from the first groove portion, which is engaged by receiving the restraining portion.

In the present invention, the sealing device for the power device is characterized in that it further comprises a display unit provided outside the housing, and a control unit for displaying the sealing information of the power device through the display unit.

In the present invention, the power device sealing device, the actuator unit for generating power under the control of the control unit, and the first and first for transmitting the power generated by the actuator unit to the locking portion and the fastening rod, respectively It is characterized in that it further comprises a power transmission unit.

In the present invention, the locking portion further comprises an elevation induction portion for moving the locking portion up and down based on the power of the actuator portion transmitted from the first power transmission portion, and the fastening rod portion is transmitted from the second power transmission portion It characterized in that it further comprises a forward and backward guide portion for moving the fastening rod portion forward and backward based on the power of the actuator portion.

In the present invention, the control unit, by operating the actuator unit when the sealing of the power device is released in accordance with the pre-defined sealing release conditions are satisfied, so that the locking portion is raised by the lifting induction portion between the restraining portion and the second groove portion After the engagement state is released, it is characterized in that the fastening state between the fastening rod part and the bolt member is released by allowing the fastening rod part to move backward by the forward and backward induction part.

In the present invention, the power device sealing device further includes a storage unit for storing sealing release information of the power device, and an external power terminal unit connected to an external power supply for supplying operating power to the actuator unit, wherein the control unit comprises: When the authentication information transmitted from the user terminal carried by the user coincides with the previously registered sealing release information, and when an external power is connected through the external power terminal, it is determined that the sealing release condition is satisfied and the actuator unit is operated. It characterized in that to release the sealing of the power device.

In the present invention, the control unit is characterized in that when the sealing release condition is not satisfied, a warning is output when an attempt to release the sealing of the power device is detected.

According to an aspect of the present invention, the present invention adopts a structure in which a sealing device is installed in a power device in such a way that a predetermined fastening rod functioning as a fastener penetrates a bolt member connected to the power device to prevent any dropping from the power device It can be prevented, and when the seal is released, the digital release method using a predetermined processor and motor can be used to recycle the sealing device, and the history related to the installation and removal of the sealing device is stored in the memory to systematically manage the history. It is possible, and it is possible to prevent forced seal release by an outsider through a predetermined notification function.

1 is an exemplary view showing a conventional stick-type plastic sealing device.
2 and 3 is an exemplary view showing the structure of a sealing device of a power device according to an embodiment of the present invention.
Figure 4 is a block diagram showing the configuration of a sealing device of a power device according to an embodiment of the present invention.

Hereinafter, a sealing device of a power device according to the present invention will be described with reference to the accompanying drawings. In this process, the thickness of the lines or the size of components shown in the drawings may be exaggerated for clarity and convenience. In addition, terms to be described later are terms defined in consideration of functions in the present invention, which may vary according to a user's or operator's intention or practice. Therefore, definitions of these terms should be made based on the contents throughout this specification.

2 and 3 are exemplary views showing a structure of a sealing device of a power device according to an embodiment of the present invention, and FIG. 4 is a block diagram showing a configuration of a sealing device of a power device according to an embodiment of the present invention to be.

Hereinafter,'rise','fall','forward' and'reverse' based on the examples of FIGS. 2 and 3 for a clear description of the operation of each detailed configuration constituting the sealing device of the power device according to the present embodiment. Although the term is used, the above term is defined to mean a relative direction, not an absolute direction. That is,'rise' and'fall' refer to mutually opposite directions,'advance' and'reverse' refer to mutually opposite directions, and'rise' and'falling' and'advanced' and'reverse' mutually perpendicular It is revealed that it has a relative meaning indicating the direction of phosphorus.

2 to 4, the sealing device of a power device according to an embodiment of the present invention includes a housing 10, an actuator unit 20, a first power transmission unit 30, and a second power transmission unit 40 ), inner wall portion 50, second elastic portion 60, locking portion 70, fastening rod portion 80, display portion 90, communication portion 100, storage portion 110, external power terminal portion ( 120), an internal battery 130, a switch 140, a warning unit 150 and a control unit 160.

The housing 10 forms a case of a sealing device for a power device of this embodiment, and the housing 10 includes a bolt member (VOLT) for fixing a power device (for example, a power meter) (for example, a power meter, an instrument box terminal block, or various covers). An inlet hole (HOLE_IN) into which a screw for fixing) is introduced is formed. As described later, the sealing device is installed in the power device in such a way that the bolt member VOLT inserted into the inlet hole HOLE_IN is fastened with the fastening rod portion 80. 2, the bolt member VOLT has a through hole HOLE_VOLT formed in a direction perpendicular to its longitudinal direction, and accordingly, the fastening rod 80 has a through hole HOLE_VOLT of the bolt member VOLT. ) Is fastened between the fastening rod portion 80 and the bolt member (VOLT) in a way through.

The actuator unit 20 may generate power under the control of the control unit 160, which will be described later, and its operating power is supplied from an external power source connected through the external power terminal unit 120, which will be described later. The actuator unit 20 may be implemented as a motor and operates under control of the control unit 160 when the sealing of the power device is released.

The first power transmission unit 30 transmits the power (ie, rotational force) generated by the actuator unit 20 to the locking unit 70 described later. 2, the first power transmission unit 30 is connected to the actuator unit 20 and rotates according to the rotation of the actuator unit 20, the screw 31 and the screw 31 are coupled to the screw ( 31) may include a first gear 32 that rotates according to the rotation. As will be described later, the rotational motion of the first gear 32 is converted to a linear motion of the lifting induction part 75 of the locking part 70 so that the lifting motion of the locking part 70 can be made.

The second power transmission unit 40 transmits the power generated by the actuator unit 20 to the fastening rod unit 80 described later. 2, the second power transmission unit 40 includes a second gear 41 coupled to the screw 31 of the first power transmission unit 30 and rotating according to the rotation of the screw 31 2, the number of second gears 41 included in the second power transmission unit 40 is shown as two, but the number of the second gears 41 is power transmission efficiency and operation performance of the sealing device. Considering this, it can be variously selected according to the designer's intention. As will be described later, the rotational movement of the second gear 41 is converted into a linear movement of the fastening rod portion 80 by the forward and backward induction portion 83 so that the fastening and moving of the fastening rod portion 80 can be performed.

On the other hand, as shown in Figure 2, the inner wall portion 50 is formed inside the housing 10, and the inner wall portion 50 is an electronic circuit device (control unit 160, storage unit) constituting the sealing device of the present embodiment. (110), the external power terminal unit 120, the internal battery 130, the communication unit 100, a mechanism device (actuator unit 20, first power transmission unit 30, locking unit 70, second power It is physically separated from the transmission unit 40, the second elastic unit 60, and the fastening rod unit 80, and serves to prevent malfunction of each electronic circuit device caused by vibration caused when the mechanism device is operated. do.

Both ends of the second elastic portion 60 are coupled to the inner wall portion 50 and the fastening rod portion 80, respectively, to press the fastening rod portion 80 in the forward direction, and may be implemented as a spring member. As shown in the spring support may be installed therein. In the example of FIG. 2, the second elastic part 60 is compressed to the inner wall part 50 side by the fastening rod part 80, and fastened with the restraining part 72 of the locking part 70 as described later. When the mating state between the first groove portions 81 of the rod portion 80 is released, the fastening rod portion 80 is pressed in the forward direction so that the fastening rod portion 80 is fastened to the through hole (HOLE_VOLT) of the bolt member (VOLT). To be able to.

The locking part 70 is in contact with one end of the bolt member (VOLT) as the bolt member (VOLT) for fixing of the power device is drawn into the housing 10 through the inlet hole (HOLE_IN) formed in the housing 10 It is configured to move upward. The locking portion 70 includes a push portion 71, a restraining portion 72, a base plate 73, a first elastic portion 74, and a lifting guide portion 75 as shown in FIG.

The push part 71 is in contact with one end of the bolt member VOLT drawn through the inlet hole HOLE_IN. When the power device is sealed, the push part 71 is pushed in the upward direction by the bolt member VOLT that is drawn in, and when the power device is released, the push part 71 is moved downward by the first elastic part 74. To be pushed.

The restraint portion 72 is engaged with the fastening rod portion 80 to constrain the forward and backward movement of the fastening rod portion 80. The restraint portion 72 may be formed in a rod structure extending from the edge side of the base plate 73 to the bottom. When sealing the power device, the push portion 71 is pushed by the bolt member VOLT, and the base plate 73 moves upwards, so that the restraining portion 72 also moves upwards, thereby engaging the fastening rod portion 80. When the state is released, and the sealing of the power device is released, the base plate 73 pushed by the first elastic portion 74 moves downwards, so that the restraining portion 72 also moves downwards, thereby engaging the fastening rod portion 80. A state is formed.

The base plate 73 supports the push portion 71 and the restraint portion 72. The push portion 71 is coupled to the lower end of the base plate 73, and the restraining portion 72 is coupled to the edge side of the base plate 73, so that the base plate 73, the push portion 71 and the restraining portion ( 72) moves together in the direction in which the push portion 71 is pushed. The base plate 73, the push portion 71, and the restraining portion 72 may be configured as a structure in which each configuration is separately manufactured and then detachably coupled, or may be manufactured in an integral form during the manufacturing process.

The first elastic portion 74 is coupled to the top of the base plate 73 and presses the base plate 73 in a downward direction, and may be implemented as a spring member. In the example of FIG. 2, the first elastic portion 74 presses the base plate 73 in the downward direction so that the restraint portion 72 maintains a mating state with the fastening rod portion 80.

The lifting induction part 75 moves the locking part 70 up and down based on the power of the actuator part 20 transmitted from the first power transmission part 30. As described above, the first power transmission unit 30 may include a screw 31 and a first gear 32, whereby the lifting induction unit 75 is a toothed tooth engaged with the first gear 32 By being implemented in a mold structure formed on the outer circumferential surface, the rotational movement of the first gear 32 is converted into a linear movement of the elevation induction unit 75 so that the elevation movement of the locking unit 70 can be achieved.

The fastening rod portion 80 may be embodied as a rod structure formed to be fastened to the bolt member VOLT by moving forward by the stretching force of the second elastic portion 60 and passing through the through hole HOLE_VOLT of the bolt member VOLT. Can. The fastening rod portion 80 includes first and second groove portions 81 and 82 and forward and backward guide portions 83 as illustrated in FIG. 2.

The first and second groove portions 81 and 82 receive the restraining portion 72 of the locking portion 70 so that the fastening rod portion 80 and the locking portion 70 are engaged. The first groove portion 81 is configured to receive and engage the restraining portion 72 before the locking portion 70 moves upward as the bolt member VOLT is drawn through the inlet hole HOLE_IN for sealing of the power device. It is formed in a groove structure on one side outer surface of the fastening rod portion 80, the second groove portion 82 to receive and engage the restraining portion 72 after the fastening rod portion 80 is fastened with the bolt member (VOLT) In order to form a groove structure on the outer surface of the fastening rod portion 80 at a position spaced apart from the first groove portion 81 by a set distance.

The forward and backward guide portion 83 moves the fastening rod portion 80 forward and backward based on the power of the actuator portion 20 transmitted from the second power transmission portion 40. As described above, the second power transmission unit 40 may include the second gear 41, and thus the forward and backward induction unit 83 of the fastening rod unit 80 to mesh with the second gear 41. By being implemented as a toothed tooth formed on the outer circumferential surface, the rotational movement of the second gear 41 is converted into a linear movement of the fastening rod portion 80 so that the forward and backward movement of the fastening rod portion 80 is achieved.

The guide line 84 is configured to be integrally or separately manufactured with the fastening rod portion 80 in a form of a flat structure protruding from both sides of the outer surface of the fastening rod portion 80 and separately. To ensure that the guide line 84 formed on the outer surface of the fastening rod portion 80 is accommodated and fixed inside the housing 10, a guide rail structure in which the guide line 84 is meshed with the guide line 84 in the longitudinal direction of the housing 10 May be formed. The guide line 84 performs a function of keeping the fastening rod portion 80 in a horizontal direction so that the first and second groove portions 81 and 82 and the restraining portion 72 are accurately meshed, and also the restraining portion Even if a strong external force is applied to the vertical direction in 72, the fastening rod 80 performs a function of preventing it from falling off.

A display unit 90 for displaying sealing information (eg, sealing type, sealing number) of the power device is provided on one external side of the housing 10. The display unit 90 may be implemented as an LCD that visually displays sealing information of the power device under the control of the control unit 160.

The communication unit 100 may be connected to an administrator terminal or a user terminal (for example, a mobile phone or a dedicated terminal device) through wired or wireless communication to receive authentication information, and also control of the control unit 160 when the seal is broken or released without authentication. It performs a function of transmitting a forgery notification signal to a nearby power device or a management server through a preset communication channel, thereby allowing the administrator to recognize the corresponding situation.

The storage unit 110 stores history information of the power device sealing device such as the installation date of the power device sealing device, the installation person, the demolition date, the person in charge of demolition, and the reason for the demolition, and accordingly, the consolidated history management of the power device sealing device May be possible. The storage unit 110 may store the above-described sealing information, and thus has an advantage in terms of expandability of utilization because the sealing information can be changed according to usage conditions such as area code, year, and device type. The storage unit 110 may be embodied as a memory element that can be inserted into and separated from the power device sealing device so that the administrator can store the sealing information and the history information in the storage unit 110, and the communication unit from the manager terminal possessed by the administrator It may be implemented as a ROM or RAM that stores history information input through the (100).

Also, the storage unit 110 stores sealing release information of the power device. The seal release information is compared with authentication information transmitted from the user terminal carried by the user, and functions as a configuration for determining whether the current user who wishes to release the seal is an authenticated user. The seal release information may be implemented in various forms in a range that can determine whether the user is authenticated (eg, m-bit digital code).

The external power terminal unit 120 may be implemented as a micro-usb terminal connected to an external power source (eg, a separate auxiliary battery) for supplying operating power of the actuator unit 20. As described later, the sealing release information of the power device is made only when the external power is connected through the external power terminal 120. Accordingly, the external power connected through the external power terminal unit 120 constitutes a sealing release condition together with the above-mentioned sealing release information.

The warning unit 150 may be implemented as a speaker device that outputs a warning under the control of the control unit 160 when an attempt to release the sealing of the power device is detected in a state in which the sealing release condition is not satisfied.

The control unit 160 may be implemented as a processor that interlocks and controls the actuator unit 20, the display unit 90, the storage unit 110, the communication unit 100, and the warning unit 150 described above. During the operation of the power device sealing device of this embodiment, the electronic control operation is performed by the control unit 160. The operating power of the control unit 160 is supplied through the internal battery 130, and whether or not the internal battery 130 is supplied and the function on/off of the control unit 160 may be determined by operating the switch 140. Meanwhile, when it is necessary to release the sealing of the power device in a situation in which external power cannot be supplied through the external power terminal 120, a sealing release operation may be performed by the power supplied from the internal battery 130, or the internal battery ( 130) may be configured to be charged separately.

In addition to the above-described configuration, an additional switch for setting the state of the above-described control unit 160, storage unit 110 and communication unit 100, or registering a security key may be further provided, such as an administrator terminal or a user terminal. In the absence of a connection, the administrator or the user may unlock the power device by entering a security key through an additional switch.

Based on the above, the sealing operation and the unlocking operation of the power device will be described in detail below.

1. Sealing operation of power equipment

In the initial state shown in Figure 2, according to the pressing in the downward direction of the first elastic portion 74 of the locking portion 70, the locking portion 70 and the restraining portion 72 and the fastening rod portion 80 The first groove portion 81 maintains a mating state, and thus the fastening rod portion 80 maintains a fixed position.

In the initial state as described above, when the bolt member VOLT is drawn into the interior of the housing 10 through the insertion hole HOLE_IN, the push part 71 of the locking part 70 is one of the bolt members VOLT being drawn. Since it comes into contact with the stage, the locking part 70 moves upward. Accordingly, the engagement state between the locking portion 70 and the restraining portion 72 and the first groove portion 81 of the fastening rod portion 80 is released, so that the fastening rod portion 80 is switched to a state in which forward and backward movement is possible. .

Thereafter, the fastening rod portion 80 is pressed in the forward direction by the second elastic portion 60, and the through hole (HOLE_VOLT) of the incoming bolt member VOLT is aligned with the fastening rod portion 80. When the fastening rod 80 moves forward, it is fastened to the bolt member VOLT by penetrating the bolt member VOLT through the through hole HOLE_VOLT.

After the fastening rod portion 80 is fastened with the bolt member VOLT, the second groove portion 82 of the fastening rod portion 80 according to the pressure in the downward direction of the first elastic portion 74 is the locking portion 70 ) By being engaged with the restraint portion 72 to maintain the position fixed again, sealing of the power device is completed as shown in FIG. 3. Thereafter, the control unit 160 displays sealing information of the power device through the display unit 90.

2. Unsealing operation of power equipment

The sealing operation of the power device is performed by the control of the control unit 160. That is, as shown in FIG. 3, in the state in which the power device is sealed, the control unit 160 operates the actuator unit 20 when the sealing of the power device is released according to the fulfillment of a predefined sealing release condition, thereby raising/lowering the induction unit 75 ) So that the locking portion 70 is raised so that the engagement state between the restraining portion 72 and the second groove portion 82 is released, and then the fastening rod portion 80 is moved backward by the forward and backward induction portion 83. By doing so, the fastening state between the fastening rod portion 80 and the bolt member VOLT is released.

More specifically, first, the controller 160 is a case where the authentication information transmitted from the user terminal possessed by the user through the communication unit 100 matches the pre-registered sealing release information, and the external power is supplied through the external power terminal unit 120. When it is connected, it is judged that the condition for releasing the seal is satisfied.

That is, since the release of the sealing of the power device should be performed only by the authenticated user, the controller 160 matches the authentication information transmitted from the user terminal possessed by the current user to the sealing release information previously registered in the storage unit 110. It is determined whether the corresponding user corresponds to an authenticated user having the authority to release the sealing of the power device. In addition, as a means for completely preventing the release of the sealing of the power device by an unauthorized user, it is determined that the sealing release condition is satisfied only when external power is connected through the external power terminal 120. As described above, the external power is configured to supply the operating power of the actuator unit 20. Therefore, when the external power is not connected, it is impossible to release the sealing of the power device. That is, the pre-registered seal release information is stored in the user terminal, and only a user who has an external power supply can release the seal of the power device.

Meanwhile, when an attempt to release the sealing of the power device is detected in a state in which the sealing release condition is not satisfied, the control unit 160 outputs a warning through the warning unit 150. In order to detect an attempt to release the seal, an acceleration sensor or the like may be further provided. Accordingly, when vibration or damage is detected through the acceleration sensor in a state in which the seal release condition is not satisfied, the controller 160 may display the warning unit 150. You can print a warning through In this case, in order to remember the corresponding situation, the controller 160 may store the date and time information in which the seal release attempt is detected in the storage 110.

If it is determined that the sealing release condition is satisfied, the control unit 160 operates the actuator unit 20 to release the sealing of the power device. When the actuator unit 20 is operated, the locking unit 70 is raised by the operation of the first power transmission unit 30 and the lifting induction unit 75 so that the engagement state between the restraining unit 72 and the second groove unit 82 is increased. Is released. In this state, the fastening rod portion 80 is moved backward by the second power transmission portion 40 and the forward and backward induction portion 83 so that the fastening rod portion 80 is removed from the through hole HOLE_VOLT of the bolt member VOLT. By being separated, the fastening state between the fastening rod portion 80 and the bolt member VOLT is released. When the fastening state between the fastening rod portion 80 and the bolt member VOLT is released, the restraining portion 72 is engaged with the first groove portion 81 in accordance with the pressure in the downward direction of the first elastic portion 74 to reposition it. By being fixed, the sealing release of the power device is completed as shown in FIG. 2. For the engagement between the restraining portion 72 and the first groove portion 81, a reverse operation of the actuator may be further performed.

As described above, in the present embodiment, a predetermined fastening rod functioning as a fastener can penetrate the bolt member connected to the power device, and the sealing device can be installed on the power device to prevent any dropping from the power device and seal When releasing, by adopting a digital releasing method using a predetermined processor and motor, recycling of the sealing device may be possible, and the history related to the installation and removal of the sealing device may be stored in a memory for systematic history management, and a predetermined alarm Through the function, it is possible to prevent the forced seal from being released by an outsider.

The present invention has been described with reference to the embodiments shown in the drawings, but these are merely exemplary, and those skilled in the art to which the technology pertains are capable of various modifications and other equivalent embodiments. Will understand. Therefore, the true technical protection scope of the present invention should be defined by the claims below.

10: housing 20: actuator
30: first power transmission 31: screw
32: first gear 40: second power transmission unit
41: second gear 50: inner wall portion
60: second elastic portion 70: locking portion
71: push part 72: restraint
73: base plate 74: first elastic portion
75: lifting guide portion 80: fastening rod portion
81: first groove portion 82: second groove portion
83: forward and backward induction unit 90: display unit
100: communication unit 110: storage unit
120: external power terminal 130: internal battery
140: switch 150: warning
160: control unit VOLT: bolt member
HOLE_VOLT: Through hole HOLE_IN: Inlet hole

Claims (11)

A power device sealing device for sealing a power device,
A housing having an inlet hole through which a bolt member for fixing the power device is introduced;
As the bolt member is drawn into the interior of the housing through the inlet hole, it is a locking part that moves upwardly in contact with one end of the bolt member, wherein the through hole is formed in the bolt member in a direction perpendicular to its longitudinal direction. That, the locking portion; And
Due to the contact between one end of the bolt member and the locking part, the locking part is fixed in position by maintaining a mating state with the locking part before the locking part moves upward, and the locking part is moved upward by the inflow of the bolt member. A fastening rod portion engaged with the bolt member by moving forward as the engagement state with the release hole is aligned with the through hole and passing through the bolt member through the through hole;
Power device sealing device comprising a.
According to claim 1,
The locking unit,
A push portion in contact with one end of the bolt member,
A restraining part engaged with the fastening rod part and restraining forward and backward movement of the fastening rod part;
A base plate supporting the push portion and the restraining portion,
Power device sealing device further comprises a first elastic portion coupled to the base plate to press the base plate in a downward direction.
According to claim 2,
The fastening rod portion,
Due to the contact between the end of the bolt member and the locking portion, the locking portion is fixed in position by maintaining the engagement state with the restraining portion according to the pressing in the downward direction of the first elastic portion before the locking portion moves upward,
The locking portion is moved upward by the introduction of the bolt member, and is engaged with the bolt member by moving forward as the engagement state with the restraining portion is released,
After being fastened with the bolt member, the power device sealing device, characterized in that the engagement with the restraining portion in accordance with the pressure in the downward direction of the first elastic portion is fixed again.
According to claim 3,
The power device sealing device,
An inner wall portion formed inside the housing; And
It is provided between the inner wall portion and the fastening rod portion a second elastic portion for pressing the fastening rod portion in the forward direction; further comprises,
The fastening rod portion is fastened to the bolt member by being moved forward by being pressed in the forward direction by the second elastic portion as the locking portion is moved upward by the introduction of the bolt member and the engagement state with the restraining portion is released. Power device sealing device, characterized in that.
According to claim 4,
The fastening rod portion,
A first groove portion that is engaged by receiving the restraining portion before the locking portion moves upward by contact between one end of the bolt member and the locking portion,
And a second groove portion formed by being spaced apart from the first groove portion by a predetermined distance after being engaged with the bolt member and receiving and engaging the restraining portion.
The method of claim 5,
The power device sealing device,
A display unit provided outside the housing; And
And a controller configured to display sealing information of the power device through the display unit.
The method of claim 6,
The power device sealing device,
An actuator unit that generates power under control of the control unit; And
And first and second power transmission units for transmitting power generated by the actuator unit to the locking unit and the fastening rod unit, respectively.
The method of claim 7,
The locking unit further includes a lifting induction unit for moving the locking unit up and down based on the power of the actuator unit transmitted from the first power transmission unit,
The fastening rod portion, the power device sealing device further comprises a forward and backward induction portion for moving the fastening rod portion forward and backward based on the power of the actuator portion transmitted from the second power transmission portion.
The method of claim 8,
The control unit operates by actuating the actuator unit when the seal of the power device is released according to the pre-defined seal release condition, so that the locking portion is raised by the lifting induction unit, so that the engagement state between the restraining portion and the second groove portion is released. After being, the fastening rod portion is moved backward by the forward-backward induction portion, so that the fastening state between the fastening rod portion and the bolt member is released.
The method of claim 9,
The power device sealing device,
A storage unit that stores information about the release of the sealing of the power device; And
It further includes an external power terminal unit connected to an external power supply for supplying the operating power of the actuator unit,
The control unit determines that the sealing release condition is satisfied when the external power is connected through the external power terminal unit as the authentication information transmitted from the user terminal possessed by the user matches the previously registered sealing release information. Power device sealing device, characterized in that to release the sealing of the power device by operating the actuator.
The method of claim 9,
The controller, in the state where the condition for releasing the seal is not satisfied, outputs a warning when an attempt to unseal the seal of the power device is detected.

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