KR102467699B1 - Switch including device for detecting operation status - Google Patents

Abstract

The present invention relates to an opening/closing device including a sensing device capable of detecting an operating state of the opening/closing device, and includes an opening/closing means (100) installed in a pipe for opening and closing the pipe, and connected to the opening/closing means to operate the opening/closing means. A sensing unit 300 that is turned on or off according to the driving motor 200, the opening/closing means 100, or the physical operation of the motor 200, and generates different state signals according to the turning on or off, and the sensing unit 300 An output unit 400 for receiving and outputting the state signal generated by the unit 300 is included.

Description

Switch including device for detecting operation status {Switch including device for detecting operation status}

The present invention relates to an opening/closing device including an operating state sensing device, and more particularly, to a switching device capable of detecting the current operating state of the opening/closing device, such as whether it is opened or closed, and providing information thereon to a user. will be.

Patent Document 001 is a guide state evaluation module for a valve and actuator monitoring system, and a method for evaluating leakage and guide deformation of a valve spindle in a turbine having a rotor assembly for driving a generator by a data acquisition system, wherein a plurality of receiving a plurality of operating parameters from a sensor, generating a friction hysteresis curve based on the plurality of operating parameters during driving of the generator by the rotor assembly, and determining a friction characteristic based on the friction hysteresis curve; comparing the friction characteristic with the previous friction characteristic and, when the friction characteristic is increasing and/or exceeds a predetermined value, changing one or more of the plurality of operating parameters so as to increase the operating safety of the turbine; and The plurality of sensors include a pressure sensor for detecting spindle hydraulic pressure, a position sensor for detecting spindle position, and a vibration sensor for detecting vibration of the valve, assuming that the turbine continues to drive the generator. In addition, when the vibration parameter exceeds a predetermined value, determining the time the valve was operating in the vibration state and the total operating time of the time the valve was in the vibration state and the total operating time of the allowable vibration time Determining a severity factor based on the ratio of and changing one or a plurality of operating parameters of the plurality of turbines and valves based on the severity factor and continuing driving of the generator by the turbine are doing

Patent Document 002 is a self-generated gas valve wireless remote opening/closing monitoring system, a self-generated gas valve opening and closing detector connected to a gas pipe and operated through self-generation according to the opening and closing of the gas valve, and the self-generated gas valve opening and closing detector It includes a receiving unit for receiving and monitoring the opening/closing status of the gas valve through wireless communication according to the operation of the gas valve, and an application unit for informing the signal transmitted through the receiving unit in real time. A connected body holder part, a body part connected to the upper part of the body holder part, a valve opening/closing part that passes through the body part and is connected to the body holder part to open and close the gas pipe through rotation, and a valve installed inside the body part. Disclosed is a self-powered gas valve wireless remote opening/closing monitoring system including a rotator that operates according to the opening and closing operation of the opening and closing part and a dustproof/waterproof type self-power generation sensor installed inside the body and self-generating according to the rotational operation of the rotator. .

Patent Document 003 is a method for monitoring valve operation and a method for detecting symptoms of abnormal valve operation, and a method for monitoring valve operation of plant equipment including valves, wherein the valve is in a closed state and an open state by a magnetic sensor. The time data from the closed state to the open state and/or the time data from the open state to the closed state of the valve are acquired and accumulated, respectively, based on the sensing process that outputs a value and the output value of the magnetic sensor. A data accumulation step and a plotting step of plotting the time data accumulated in the data accumulation step on a two-dimensional coordinate space in which the vertical axis is the time data and the abscissa is the data number, and a plurality of data points on the plot obtained in the plotting step are one or more Including a straight line approximation process similar to a straight line with two straight lines, and further plotting one or more newly acquired data points in the plot process, and using the least squares method in the straight line approximation process to target all data points on the two-dimensional coordinate space At the same time as performing straight line approximation by one or a plurality of straight lines, a coefficient of determination is calculated for each straight line obtained by the straight line approximation, and the minimum value of the one or plurality of the coefficients of determination obtained in the straight line approximation process is a predetermined threshold Disclosed is a valve operation monitoring method including an abnormal symptom notification step in which an abnormal symptom is notified when the value is less than or equal to the value.

Patent Document 004 relates to a pneumatic valve device and a pneumatic valve monitoring method, an air supply unit for supplying driving air, a valve body operated by the driving air, and air supplying driving air from the air supply unit to the valve body. Disclosed is a pneumatic valve device including a pipe and a rotating body installed on the air pipe and rotated when driving air flows through the air pipe.

JP 6828167 (01/22/2021) KR 10-2203286 (January 14, 2021) JP 6802025 (December 16, 2020) KR 10-2020-0126709 (November 09, 2020)

The present invention relates to a device capable of detecting an operating state of an opening and closing device installed to open and close a flow path such as a pipe.

An opening and closing device including an operating state sensing device according to the present invention for solving the problems of the prior art includes an opening and closing means (100) installed in a pipe to open and close the pipe, and is connected to the opening and closing means to drive the opening and closing means. A sensing unit 300 that turns ON or OFF according to the physical operation of the motor 200, the opening/closing means 100, or the motor 200, and generates different state signals according to ON or OFF, and the sensing unit It includes an output unit 400 that receives and outputs the state signal generated in 300.

The operating state sensing device according to the present invention includes a reduction gear 500 connecting the opening/closing means 100 and the motor 200.

In the operating state sensing device according to the present invention, the opening/closing means 100 includes a shaft 110 connected to the motor 200 and an opening amount notification member 120 extending outward from the shaft 110. And, the sensing unit 300 is installed in the rotation radius of the shaft 110, a plurality of trigger units 310 contacting the opening amount notification member 120 according to the rotation of the shaft 110, and It includes a signal generating unit 320 that generates different state signals depending on the installation position of the trigger unit 310 in contact with the opening amount notification member 120 .

In the operating state detection device according to the present invention, the sensing unit 300 includes a wireless communication module and transmits the generated state signal to the output unit 400 wirelessly.

In the operating state detecting device according to the present invention, the sensing unit 300 includes an operating state detecting device including a power source of the motor 200 and a battery that operates separately.

In the operating state sensing device according to the present invention, the opening and closing means 100 includes an opening and closing member 130 coupled to a shaft and rotating to block or open the pipe, and the sensing unit 300 includes the opening and closing member ( 130) and a magnet 330 installed at the end of the pipe and a magnetic switch 340 installed in the pipe to generate a state signal when the magnet 330 approaches according to the rotation of the opening and closing member 130.

In the operating state detection device according to the present invention, at least two or more magnetic switches 340 are disposed at a predetermined interval, and each of the plurality of magnetic switches 340, when the magnet 330 approaches, according to the installed position Each state signal according to the degree of opening of the opening and closing member 130 is generated.

The operating state sensing device according to the present invention includes a current sensing device that detects the driving current of the motor 200, and the current sensing device generates an abnormal signal when the driving current of the motor 200 is out of a reference range. is generated and transmitted to the output unit 400.

In the operating state sensing device according to the present invention, the opening and closing means 100 includes a shaft 110 connected to the motor 200 and an opening and closing member 130 coupled to the shaft and rotating to block or open the pipe, , The shaft 110 and the opening and closing member 130 are configured to be coupled and separated.

An opening/closing device including an operating state sensing device according to the present invention is interlocked with the opening/closing means 100 or the reduction gear 500 to generate and transmit a state signal according to ON or OFF of the opening/closing means 100 ( 300), there is an effect that the user can easily check the state information of the opening/closing means 100 remotely.

In the switchgear including the operating state sensing device according to the present invention, the sensing unit 300 is composed of a plurality, and the output unit 400 generates and transmits state information from all the sensing units 300 only when the same. , Since the state information of the opening/closing means 100 is output, it is possible to prevent malfunction and failure of the specific sensing unit 300, and to more accurately check the state of the opening/closing means 100.

In the opening/closing device including the operating state sensing device according to the present invention, the opening/closing means 100 includes the shaft 110 and the opening amount notification member 120, and the sensing unit 300 controls the rotation radius of the shaft 110. Including the trigger unit 310 installed over and the signal generating unit 320 linked to each trigger unit 310, the tree contacting the opening amount notification member 120 according to the rotation angle of the shaft 110 Since the rejection 310 generates a state signal, the amount of opening of the opening/closing means 100 can be checked.

In the opening/closing device including the operating state sensing device according to the present invention, the sensing unit 300 includes the magnet 330 and the magnetic switch 340, so the operation reliability is high, and the absence compared to the physical switch operation method. wear can be prevented.

In the opening/closing device including the operating state sensing device according to the present invention, a plurality of magnetic switches 340 are installed according to the rotation radius of the opening/closing member 130, and each magnetic switch is configured according to the rotation angle of the opening/closing member 130. Since 340 generates a signal, there is an effect of confirming the amount of opening of the opening/closing means 100.

A switchgear including an operating state detection device according to the present invention includes a current sensing unit that detects the driving current of the motor 200, and the current sensing unit sends an abnormal signal when the driving current of the motor 200 is out of a standard range. Since it is generated, there is an effect of confirming whether or not foreign substances are caught in the opening and closing means 100.

A current sensor for detecting a driving current of the motor 200 is included, and the current sensor generates an abnormal signal and transmits it to the output unit 400 when the driving current of the motor 200 is out of a reference range. .

1 is a schematic view when an opening/closing means of an opening/closing device including an operating state sensing device is not operated.
Fig. 2 is a schematic view of when an opening/closing means of an opening/closing device including an operating state sensing device operates.
3 is a schematic diagram illustrating a plurality of sensing units in an opening and closing device including an operating state sensing device;
4 is a schematic diagram of a case where a motor is configured as a stepper motor in an opening/closing device including an operating state sensing device and is coaxially connected to an opening/closing means.
5 is a schematic diagram of an opening amount notifying member, a trigger unit, and a signal generating unit for measuring an opening amount in an opening/closing device including an operating state detection device;
6 is a schematic diagram illustrating a case in which a sensing unit is composed of a magnet and a magnetic switch in an opening/closing device including an operating state sensing device.
7 is a schematic diagram of another form when the sensing unit is composed of a magnet and a magnetic switch in an opening/closing device including an operating state sensing device.

Hereinafter, the most preferred embodiment of the present invention will be described in detail in order to explain the present invention in detail to the extent that those skilled in the art can easily practice the present invention.

Numbers cited in the examples below are not limited to the referenced subject and can be applied to all examples. An object that exhibits the same purpose and effect as the configuration presented in the embodiment corresponds to an equivalent replacement object. The high-level concept presented in the examples includes sub-concept objects that are not described.

(Embodiment 1-1) An opening/closing device including an operating state sensing device according to the present invention includes an opening/closing means 100 installed in a pipe to open/close the pipe, and a motor connected to the opening/closing means to drive the opening/closing means ( 200), the sensing unit 300 and the sensing unit 300, which are turned on or off according to the physical operation of the opening/closing means 100 or the motor 200, and generate different state signals as they are turned on or off. and an output unit 400 for receiving and outputting a state signal generated in

The pipe 10 may form a passage through which various types of fluids move, and some examples of fluids flowing through the pipe 10 may include air or water.

The opening and closing means 100 collectively refers to means installed in the pipe 10 to open and close the pipe 10. That is, the opening/closing means 100 may be a damper or valve used in air conditioning facilities.

The motor 200 may be connected to the opening/closing means 100 to operate the opening/closing means 100 . Various types of motors may be used as the motor 200, and an example of the type of the motor 200 may include a DC motor or a step motor. The present invention may further include a drive signal applying unit to the motor 200 .

The sensing unit 300 can be turned on or off according to the physical operation of the opening/closing means 100 or the motor 200, generates different state signals according to the turned on or off state, and transmits the generated state signals to the outside. send to That is, the sensing unit 300 serves as a kind of sensor for detecting the operation of the opening/closing means 100 described above. The sensing unit 300 may be physically pressed according to the rotational position of the opening/closing means 100, that is, ON or OFF, or generate or not generate a signal through other methods. The sensing unit 300 may be implemented in various ways, and as an example of the sensing unit 300, the sensing unit 300 is a micro switch, through the opening/closing means 100 or a device connected to the opening/closing means 100. When it is turned ON or OFF, it can be implemented in such a way that it is physically pressed to generate a state signal.

The output unit 400 receives and outputs the state signal generated and transmitted by the sensor 300 described above. The output unit 400 may output whether the current opening/closing means 100 is ON or OFF according to the above-described state signal to a kind of output device. The output device may be implemented as a visual means or an auditory means, and in the case of the visual means, it may be implemented as a simple two LED or a kind of display device.

According to the present invention, the operation of the opening/closing means 100 can be determined remotely without problems such as the user directly determining whether the opening/closing means 100 operates through the operation of the above-described sensing unit 300 and the output unit 400. By making the determination, it is possible to finally determine the state of the pipe 10.

(Embodiment 1-2) In the opening/closing device including the operating state sensing device of the present invention, in the above-described Embodiment 1-1, a plurality of sensing units 300 are installed, and the output unit 400 is all the sensing units ( When the same state signal is generated in 300), the corresponding state signal is output.

In the present invention, when only one sensing unit 300 is installed, it is difficult to normally determine the state of the pipe 10 when the corresponding sensing unit 300 malfunctions. In order to prevent this, a plurality of detection units 300 may be installed, and the output unit 400 outputs a state signal of the pipe 10 when all detection units 300 generate the same state signal, and all detection units 300 output a state signal. When the units 300 generate different state signals or some of the sensing units do not generate a status signal, a signal indicating that one of the sensing units 300 is out of order may be output.

(Embodiment 1-3) In the switchgear including the operating state sensing device of the present invention, in the above-described Embodiment 1-1, a single output unit 400 is installed in the pipe 10, and a plurality of sensing units 300 ) to output the received status information.

The output unit 400 may receive state information from a plurality of sensing units 300, and a separate ID may be assigned to each sensing unit 300, and a device in which each sensing unit 300 is installed for each ID Information including may be stored and managed. That is, the user can check the operating state of the opening/closing means 100 installed at a specific location through the state information of the detection unit 300 for each ID output from the output unit 400 .

(Embodiment 2-1) An opening/closing device including an operating state sensing device according to the present invention includes a reduction gear 500 connecting the opening/closing means 100 and the motor 200 according to the above-described Embodiment 1-1. do.

The reduction gear 500 connects the opening/closing means 100 and the motor 200 to each other to transfer the rotational force generated from the rotating shaft of the motor 200 to the opening/closing means 100, but serves to lower the rotational speed, that is, reduce the speed. do This is because the pipe 10 can be blocked or opened even if the opening/closing member included in the opening/closing means 100 rotates at least 90 degrees, and the torque can be improved through the reduction gear 500 . That is, the reduction gear 500 may be required when the motor 200 has a high RPM like a DC motor, and the above-described sensing unit 300 may be interlocked with the reduction gear 500 . That is, the sensing unit 300 may be physically turned on or turned off by the reduction gear 500 .

(Embodiment 2-2) In the opening/closing device including the operating state sensing device according to the present invention, in the above-described Embodiment 1-1, the motor 200 may be a stepper motor.

Unlike the above-described embodiment 2-1, when the motor 200 is a stepper motor, the embodiment 2-2 does not include a reduction gear, and the rotation shaft of the motor 200 and the shaft of the opening/closing means 100 are coaxial with each other. Is connected, the rotational force of the motor 200 can be directly connected to the opening and closing means (100). Since the stepper motor has relatively higher torque efficiency than the DC motor at low speed and can more precisely control the degree of rotation, it can be used more efficiently in fields requiring precise control of the opening/closing means 100 .

(Embodiment 3-1) In the opening and closing device including the operating state sensing device of the present invention, in the above-described Embodiment 1-1, the opening and closing means 100 includes a shaft 110 connected to the motor 200 and a shaft ( 110) and an opening amount notification member 120 extending outwardly, and the sensor 300 is installed in the rotation radius of the shaft 110, and the opening amount notification member 120 according to the rotation of the shaft 110. ) may include a plurality of trigger parts 310 in contact with and a signal generator 320 generating different state signals according to the installation position of the trigger part 310 in contact with the opening amount notification member 120. .

The opening/closing means 100 includes a shaft 110 connected to the motor 200 and an opening/closing member 130 coupled to the shaft 110 to open/close the inside of the pipe 10 . That is, the opening/closing means 100 is a method of blocking or opening the pipe 10 by rotating the opening/closing member 130 when the motor 200 operates and the shaft 110 rotates. The opening/closing member 130 is implemented in a kind of plate shape to block or open the pipe 10 . In addition to this, the opening/closing means 100 may include an opening amount notification member 120 extending to the outside of the shaft 110 . The opening amount notification member 120 is a member serving as a kind of trigger and is interlocked with the sensing unit 300 to be described later.

The sensing unit 300 is installed inside the rotation radius of the shaft 110 and includes a trigger unit 310 and a signal generating unit 320 that contact the opening amount notification member 120 according to the rotation of the shaft 110. can do. A plurality of trigger units 310 may be installed within a radius of rotation of the shaft 110, that is, 90 degrees. For example, the trigger unit 310 may be installed at a 0 degree rotation position, a 30 degree rotation position, a 60 degree rotation position, and a 90 degree rotation position of the shaft 110, respectively, when the shaft 110 rotates 0 degrees. , The opening amount notification member 120 contacts the trigger unit 310 installed at the 0 degree rotation position, and accordingly, the signal generating unit 320 sends a state signal (OFF signal) indicating that the opening and closing means 300 are all open. generated and transmitted, and when the shaft 110 rotates 30 degrees, the opening amount notification member 120 contacts the trigger unit 310 installed at the 30-degree rotation position, and accordingly, the signal generating unit 320 opens and closes means A state signal indicating that it is closed by 30 degrees is generated and transmitted. When the shaft 110 rotates 60 degrees, the opening amount notification member 120 contacts the trigger unit 310 installed at the 60-degree rotation position, and accordingly The signal generating unit 320 generates and transmits a state signal indicating that the opening and closing means is closed by 60 degrees, and when the shaft 110 rotates 90 degrees, the opening amount notification member 120 is a trigger unit installed at the 90 degree rotation position. 310, and accordingly, the signal generating unit 320 may generate and transmit a state signal (ON signal) indicating that the opening/closing means is closed by 90 degrees. According to the state signal generated by the signal generator 320 and received by the output unit 400, the user can check how closed the pipe 10 is, that is, information on the amount of opening.

(Embodiment 4-1) In the switchgear including the operating state sensing device according to the present invention, in Embodiment 1-1, the sensing unit 300 includes a wireless communication module and outputs the generated state signal to the output unit. It can be transmitted through a wireless method to (400).

Since the pipe 10 in which the present invention is used is an environment in which fluid flows, the switchgear including the operating state detection device according to the present invention has a relatively simple structure, so installation/maintenance/repair is easy, and the above-described sensing unit 300 ) may include a wireless communication module and transmit the generated state signal to the output unit 400 using a wireless method. At this time, the output unit 400 may also include a wireless communication module to receive the above-described state signal.

The wireless method for transmitting the status signal from the sensing unit 300 to the output unit 400 may use various methods, and as some examples, wireless Internet (Wi-Fi), mobile communication network, short-distance wireless communication method, etc. may be used. . When the location where the detection unit 300 is installed and the location where the output unit 400 is installed are difficult to transmit and receive signals through the wireless communication method, the detection unit 300 and the output unit 400 are directly connected to the wireless communication method. Instead of transmitting and receiving a signal through a relay, it is also possible to transmit and receive a signal through a kind of repeater. At this time, either the sensing unit 300 and the repeater or the repeater and the output unit 400 may be connected by wire.

(Embodiment 5-1) In the switchgear including the operating state sensing device of the present invention, in the above-described Embodiment 1-1, the sensing unit 300 uses a battery that operates separately from the power source of the motor 200. include

Depending on circumstances, the driving unit of the opening/closing means 100 including the motor 200 may fail. However, even if the driving unit of the opening/closing means 100 including the motor 200 fails, it is important for the user to know the current pipe 10 state information. However, if the driving unit of the opening/closing means 100 including the motor 200 and the sensing unit 300 operate with the same power, the driving unit of the opening/closing means 100 including the motor 200 fails and the sensing unit (300) may also not work. In order to solve this problem, the sensing unit 300 operates independently of the motor 200, including a power source separate from the driving unit of the switching means 100 including the motor 200, that is, a battery, and the motor ( Even if the driving unit of the opening/closing means 100 including 200 fails, malfunctions, or does not operate, the operating state of the opening/closing means 100 installed in the pipe 10 can be detected.

(Embodiment 6-1) In the opening and closing device including the operating state sensing device according to the present invention, in the above-described Embodiment 1-1, the opening and closing means 100 is connected to the shaft and the shaft. It includes an opening/closing member 130 coupled to rotate to block or open the pipe, and the sensing unit 300 is installed on a magnet 330 installed at an end of the opening/closing member 130 and the pipe, It includes a magnetic switch 340 generating a state signal when the magnet 330 approaches as the opening/closing member 130 rotates.

In the embodiment described above, the sensing unit 300 is implemented in a way that is physically pressed according to the operation of the opening and closing member 130, but in this embodiment, the sensing unit 300 includes a magnetic switch 340 and a magnet 330 can be configured. The magnetic switch 340 is a switch that generates a signal when its magnetism changes. In this embodiment, the magnet 330 may be disposed at the end of the opening/closing member 130 included in the sensing unit 300, and the magnetic switch 340 may be installed on the pipe 10. When the magnet 330 approaches the magnetic switch 340 according to the operation of the opening and closing member 130, the magnetic field around the magnetic switch 340 changes, and the magnetic switch 340 generates a signal according to the change in the magnetic field. can make it

The magnetic switch 340 may include a type of sensor that detects a change in a magnetic field, and as a type of sensor, an electromagnetic induction phenomenon may be used. That is, the magnetic switch 340 includes a wound coil, and a constant magnetic field may be formed. In this state, when the magnet 330 approaches, the magnetic field formed on the magnetic switch 340 changes, and current flows in the coil included in the magnetic switch 340 in a direction that obstructs the change of the magnetic field, and the magnetic switch 340 may generate a state signal and transmit it to the output unit 400 when a current is generated in the coil.

When the sensing unit 300 includes the magnet 330 and the magnetic switch 340, operation reliability is higher than that of the sensing unit that physically presses the switch, and the wear of the switch due to contact between different members can be prevented. It works.

(Embodiment 6-2) In the opening and closing device including the operating state sensing device according to the present invention, in the above-described Embodiment 6-1, at least two or more magnetic switches 340 are disposed at a predetermined interval, Each of the plurality of magnetic switches 340 generates a state signal according to the degree of opening of the opening/closing member 130 according to the installed position when the magnet 330 approaches.

The magnetic switches 340 are spaced apart from each other on the pipe 10 by a predetermined distance, and as the magnets 330 approach, a state signal according to the degree of opening of the opening/closing member 130 can be generated according to the installed position. That is, the magnetic switch 340 is installed and buried at a predetermined interval in the direction in which the opening and closing means 100 is turned off based on when the opening and closing means 100 is turned on and the pipe 10 is blocked, and each magnetic switch ( 340) generates a state signal related to the state of the pipe 10, which is different from each other according to the installed position, and transmits it to the outside, thereby informing the user of the opening amount information of the pipe 10.

(Embodiment 7-1) A switchgear including an operating state sensing device according to the present invention, in Embodiment 1-1, includes a current sensing unit for sensing a driving current of the motor 200, When the driving current of the motor 200 is out of the reference range, the current sensor generates an abnormal signal and transmits it to the output unit 400 .

In the case of the opening/closing means 100 installed in the pipe 10, foreign substances may be caught around the opening/closing means 100, and thus operations such as rotation may not be smooth. In order to detect this, the present invention may include a current sensor for sensing the driving current of the motor 200 . When foreign substances are present as described above, a change in driving current of the motor 200 may occur for the operation of the opening/closing means 100, such as a sudden increase. In the present invention, it is possible to determine whether a foreign substance is caught in the opening/closing means 100 by detecting it through a current sensor.

(Embodiment 8-1) In the opening and closing device including the operating state sensing device according to the present invention, in the above-described Embodiment 6-1, the shaft 110 and the opening and closing member 130 are configured to be coupled and separated from each other. do.

When the shaft 110 and the opening and closing member 130 are integrated with each other, even if only one of the two members fails, there may be inconvenience such as having to replace all of them. The opening/closing members 130 may be configured to be coupled/separated from each other.

More specifically, a hole through which the shaft 110 can be inserted may be formed inside the opening/closing member 130, and a coupling means capable of fixing the shaft 110 may also be formed. Coupling means for fixing the shaft 110 to the opening and closing member 130 may be implemented in various ways. For example, a separate screw hole is formed in a vertical direction in a hole into which the shaft 110 is inserted, and the screw hole A bolt is screwed to, it is possible to fix the shaft (110).

10: pipe 100: opening and closing means
110: shaft 120: opening amount notification member
130: opening and closing member 200: motor
300: detection unit 310: trigger unit
320: signal generator 330: magnet
340: magnetic switch 400: output unit
500: reduction gear

Claims (9)

Opening/closing means 100 installed in the pipe to open and close the pipe;
a motor 200 connected to the opening/closing means to drive the opening/closing means;
ON or ON according to the physical operation of the opening/closing means 100 or the motor 200
A sensing unit 300 that generates different state signals as it is turned OFF and turned ON or OFF; and
An output unit 400 for receiving and outputting the state signal generated by the sensing unit 300;
The opening and closing means 100,
a shaft 110 connected to the motor 200; and
an opening amount notification member 120 extending outward from the shaft 110;
Including,
The sensing unit 300,
It is installed in the rotation radius of the shaft 110, and according to the rotation of the shaft 110
a plurality of trigger units 310 in contact with the opening amount notification member 120; and
At the installation position of the trigger unit 310 in contact with the opening amount notification member 120
Signal generator 320 for generating different state signals according to;
A switchgear comprising an operating state detection device comprising a.
According to claim 1,
An opening/closing device including an operating state sensing device including a reduction gear 500 connecting the opening/closing means 100 and the motor 200.
delete According to claim 1,
The sensing unit 300 includes a wireless communication module, and an operating state sensing device that wirelessly transmits the generated state signal to the output unit 400.
According to claim 1,
The sensing unit 300 includes an operating state sensing device including a power source of the motor 200 and a battery that operates separately.
According to claim 1,
The opening and closing means 100,
Including; an opening and closing member 130 coupled to the shaft and rotating to block or open the pipe;
The sensing unit 300,
A magnet 330 installed at an end of the opening and closing member 130; and
a magnetic switch 340 installed in the pipe and generating a state signal when the magnet 330 approaches according to the rotation of the opening/closing member 130;
A switchgear comprising an operating state detection device comprising a.
According to claim 6,
At least two or more of the magnetic switches 340 are spaced apart at regular intervals,
Each of the plurality of magnetic switches (340) includes an operating state detection device that generates a state signal according to the degree of opening of the opening and closing member (130) according to the installed position when the magnet (330) approaches.
According to claim 1,
Including a current sensing device for sensing the driving current of the motor 200,
The current sensing device includes an operating state sensing device that generates an abnormal signal and transmits it to the output unit 400 when the driving current of the motor 200 is out of a reference range.
According to claim 1,
The opening and closing means 100,
a shaft 110 connected to the motor 200; and
Including; an opening and closing member 130 coupled to the shaft and rotating to block or open the pipe;
The shaft 110 and the opening and closing member 130 are configured to be coupled and separated, and an operating state detection device including an opening and closing device.

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