KR102180769B1 - Distribution board having alarm system for hot line part approach and earthquake - Google Patents

Abstract

A switchgear with live access and earthquake warning systems is disclosed. A live wire detection sensor for detecting a live wire state of an incoming line leading to the switchboard; A user band that is worn or attached to a user's body and senses an approach to the lead-in line; A door open detection sensor that detects the opening of each door installed at the front or rear of the switchboard; An earthquake detection sensor that detects an earthquake; A charging unit protective cover state detection sensor for detecting an open state of the charging unit protective cover; A voice alarm module for outputting a voice alarm; A buzzer alarm module for outputting a buzzer sound; The live wire detection sensor detects the live wire state of the lead-in line, the user band detects the user's approach to the live wire lead-in line, the door open detection sensor detects the opening of the door, or the earthquake detection sensor When an earthquake is detected or the open state of the protective cover of the charging part is detected by the state detection sensor of the protective cover of the charging part, the voice alarm module or the buzzer alarm module constitutes a controller that controls to output a voice alarm or a buzzer sound. do.

Description

DISTRIBUTION BOARD HAVING ALARM SYSTEM FOR HOT LINE PART APPROACH AND EARTHQUAKE}

The present invention relates to an alarm system provided in a switchgear, and more particularly, to a switchgear equipped with a live line access and earthquake warning system.

The switchboard is connected with a high-voltage three-phase lead-in line, so that a high-voltage current flows inside. In addition, the charging part in the switchboard is also maintained in a high-power charging state, which increases the risk of electric accidents.

Likewise, the switchboard requires considerable attention even during its maintenance/repair work, and its management is very important.

It is necessary for the operator to easily check the status of numerous switchboards provided in various places of large facilities and prepare for safety accidents. Also, if there is an earthquake, the switchboard is dangerous, so an alarm is required.

In the case of switchboards, it is necessary to be careful of electric shock accidents caused by incoming lines or live parts, and to prevent the door of the switchboard from being exposed to danger by accidentally opening it. In addition, it is also necessary for the operator to accurately recognize which part of the large switchboard is a dangerous part.

Since the switchboard may cause personal injury in the event of a safety accident, a monitoring means is required for the safe work of the switchboard operator.

10-0733612 10-0897615

It is an object of the present invention to provide a switchboard equipped with a live-line approach and an earthquake warning system.

A switchgear having a live line approach and an earthquake warning system according to an object of the present invention includes: a live wire detection sensor that detects a live wire condition of an incoming line introduced into the switchboard; A user band that is worn or attached to a user's body and senses an approach to the lead-in line; A door open detection sensor that detects the opening of each door installed at the front or rear of the switchboard; An earthquake detection sensor that detects an earthquake; A charging unit protective cover state detection sensor for detecting an open state of the charging unit protective cover; A voice alarm module for outputting a voice alarm; A buzzer alarm module for outputting a buzzer sound; The live wire detection sensor detects the live wire state of the lead-in line, the user band detects the user's approach to the live wire lead-in line, the door open detection sensor detects the opening of the door, or the earthquake detection sensor Includes a controller for controlling the voice alarm module or the buzzer alarm module to output a voice alarm or buzzer sound when an earthquake is detected or the open state of the protective cover of the charging part is detected by the charging part protection cover state detection sensor Can be configured to

Here, the controller controls to output a primary alarm when the live wire detection sensor detects a live wire condition of the lead-in line or the user band detects an approach to the lead-in line in the live wire condition, and the door open detection sensor Controls to output a second alarm when the door is open in the device, and a third alarm is detected when an earthquake of magnitude 3.0 or higher is detected by the earthquake detection sensor, or when an open state of the protective cover of the charging part is detected by the charging part protection cover state detection sensor. And outputting a fourth alarm when an earthquake of magnitude 4.0 or higher is detected by the earthquake detection sensor or when the user band detects an approach to the charging unit of the user.

And the user band, Bluetooth communication unit for receiving the live wire state of the incoming line from the Bluetooth communication unit of the controller; An alarm vibration motor for outputting an alarm vibration when a live wire state of an incoming line is received from the Bluetooth communication unit; A coil for forming a current by a magnetic field induced by the live lead line or the charging unit as the user approaches the live lead line or the charging unit; A current measuring unit that measures the current formed by the coil; It may be configured to include a state information setting unit for setting state information indicating the state of the live wire or the charging state of the charging unit according to the current measured by the current measuring unit.

And the Bluetooth communication unit is configured to transmit the status information set by the status information setting unit to the Bluetooth communication unit of the controller, and the vibration motor for alarm outputs an alarm vibration according to the status information set by the status information setting unit. Can be configured to

And the door open detection sensor, a laser light emitting unit provided in the door to emit laser light; A laser light receiving unit for receiving a laser emitted from the laser light emitting unit when the door is closed; It may be configured to include a door open signal generator that generates a door open signal and transmits it to an alarm setting unit of the controller in real time when the laser light receiving unit fails to receive the laser as the door is opened.

And the charging unit protective cover state detection sensor, the laser light emitting unit provided in the protective cover of the charging unit to emit laser; A laser light receiving unit for receiving a laser emitted from the laser light emitting unit when the protective cover of the charging unit is closed; It may be configured to include a charging unit protective cover open signal generating unit that generates a charging unit protective cover open signal in real time to the alarm setting unit of the controller when the laser cannot be received by the laser light receiving unit as the protective cover of the charging unit is opened.

And the controller, when the live line detection sensor detects the live line state of the incoming line, a live line state notification unit for notifying the live line state of the incoming line in real time; A Bluetooth communication unit for real-time transmission of a live line status notified by the live line status notification unit to a Bluetooth communication unit of the user band, and receiving a live line status of the incoming line or a charging status of the charging unit from the Bluetooth communication unit of the user band in real time; An alarm setting unit configured to control an alarm to be output through the voice alarm module or the buzzer alarm module by setting an alarm according to a live line state notified by the live line status notification unit in real time; A state information analysis unit that analyzes the live wire state of the lead-in line or the charging state of the charging unit received from the Bluetooth communication unit in real time; The sensor test mode is executed according to the user's input, and the function of the alarm setting unit is stopped in the sensor test mode, and the live wire detection sensor, the door open detection sensor, the earthquake detection sensor and the charging unit protection cover state detection sensor are Whenever the sensing value changes, the buzzer alarm module may be configured to include a sensor test unit that controls to output a corresponding buzzer sound.

In addition, the alarm setting unit may be configured to set an alarm according to an analysis result of the state information analysis unit and control to output an alarm through the voice alarm module or the buzzer alarm module.

According to the switchboard equipped with the above-described live line access and earthquake warning system, it is configured to detect the live wire status, charging status, and earthquake of the switchboard so that the user can accurately recognize it, thereby protecting the user's safety and preventing the risk of a switchboard safety accident. There is an effect that can be done.

1 is a schematic block diagram of a switchgear equipped with a live line access and earthquake warning system according to an embodiment of the present invention.
2 is a detailed block diagram of a switchboard equipped with a live line approach and an earthquake warning system according to an embodiment of the present invention.
3 is an exemplary view of a front panel of a switchgear equipped with a live line access and earthquake warning system according to an embodiment of the present invention.

In the present invention, various modifications may be made and various embodiments may be provided, and specific embodiments will be illustrated in the drawings and will be described in detail in specific details for carrying out the invention. However, this is not intended to limit the present invention to a specific embodiment, it is to be understood to include all changes, equivalents, and substitutes included in the spirit and scope of the present invention. In describing each drawing, similar reference numerals have been used for similar elements.

Terms such as first, second, A, and B may be used to describe various elements, but the elements should not be limited by the terms. These terms are used only for the purpose of distinguishing one component from another component. For example, without departing from the scope of the present invention, a first element may be referred to as a second element, and similarly, a second element may be referred to as a first element. The term and/or includes a combination of a plurality of related listed items or any of a plurality of related listed items.

When a component is referred to as being "connected" or "connected" to another component, it is understood that it may be directly connected or connected to the other component, but other components may exist in the middle. Should be. On the other hand, when a component is referred to as being "directly connected" or "directly connected" to another component, it should be understood that there is no other component in the middle.

The terms used in the present application are only used to describe specific embodiments, and are not intended to limit the present invention. Singular expressions include plural expressions unless the context clearly indicates otherwise. In the present application, terms such as "comprise" or "have" are intended to designate the presence of features, numbers, steps, actions, components, parts, or combinations thereof described in the specification, but one or more other features. It is to be understood that the presence or addition of elements or numbers, steps, actions, components, parts, or combinations thereof, does not preclude in advance.

Unless otherwise defined, all terms used herein, including technical or scientific terms, have the same meaning as commonly understood by one of ordinary skill in the art to which the present invention belongs. Terms as defined in a commonly used dictionary should be interpreted as having a meaning consistent with the meaning in the context of the related technology, and should not be interpreted as an ideal or excessively formal meaning unless explicitly defined in this application. Does not.

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

1 is a schematic block diagram of a switchboard having a live line access and earthquake warning system according to an embodiment of the present invention, and FIG. 2 is a switchboard having a live line access and earthquake warning system according to an embodiment of the present invention. It is a detailed block diagram of And Figure 3 is an exemplary view of the front panel of the switchgear equipped with a live line access and earthquake warning system according to an embodiment of the present invention.

1 to 3, the switchboard 100 equipped with a live line access and earthquake warning system according to an embodiment of the present invention includes a live wire detection sensor 110, a user band 120, a door open detection sensor 130 ), an earthquake detection sensor 140, a charging unit protection cover state detection sensor 150, a voice alarm module 160, a buzzer alarm module 170, and a controller 180. .

Hereinafter, a detailed configuration will be described.

The live wire detection sensor 110 is a component installed in the switchboard, and may be configured to detect a live wire state of the lead-in line 10 leading to the switchboard.

The live wire detection sensor 110 may be provided for each of the three-phase R, S, T three-phase lead-in lines 10, and if any one of the lead-in lines 10 is in a live-line state, there is a risk of high voltage. Therefore, it can be regarded as a situation that requires an alert.

The user band 120 is a component worn or attached to a user's body part.

The user band 120 detects that a part of the user's body approaches the lead-in line 10 or the charging portion 30 when the user touches or touches the lead-in line 10 or the charging portion 30 of the switchboard. Can be configured.

The user band 120 is preferably worn or attached to the user's hand, wrist, or arm.

The user band 120 may be configured to include a Bluetooth communication unit 121, an alarm vibration motor 122, a coil 123, a current measurement unit 124, and a state information setting unit 125. Hereinafter, a detailed configuration will be described.

The Bluetooth communication unit 121 may be configured to receive a live wire state of the incoming line 10 or a charging state of the charging unit 30 from the Bluetooth communication unit 182 of the controller 180. The live wire state may be detected by the live wire detection sensor 110 provided in the switchboard, and the charging state may be detected by a separate charge detection sensor (not shown) provided in the switchboard.

The alarm vibration motor 122 may be configured to output an alarm vibration when a live wire state or a charging state of the incoming line 10 is received from the Bluetooth communication unit 121. If the user band 120 is worn on the wrist, the user can immediately recognize the live wire state or the charging state by vibration.

The coil 123 is guided by the lead-in line 10 in the live state or the charging part 30 in the charged state as the user approaches a part of the body with the lead-in line 10 in a live state or the charging section 30 in a charged state. Current can be formed by a magnetic field. An electric field is formed by an induced magnetic field at a close distance according to Faraday's law of electromagnetic induction, which forms an induced current in the coil 123. These induced currents can only be formed in a live state or in a charged state.

The current measuring unit 124 may be configured to measure an induced current formed by the coil 123. Since the intensity of the induced current increases in proportion to the intensity of the magnetic field, it is possible to measure the live wire state or the state of charge by measuring the current.

The state information setting unit 125 may be configured to set state information indicating a live wire state of the lead-in line 10 or a charging state of the charging unit 30 according to the current measured by the current measuring unit 124. Here, the state information indicating the live wire state or the charged state may indicate the degree of the live wire state or the charged state.

The Bluetooth communication unit 121 may be configured to transmit the status information set by the status information setting unit 125 to the Bluetooth communication unit 182 of the controller 180. The controller 180 may be configured to set alarm information corresponding thereto based on the state information.

On the other hand, the vibration motor for alarm 122 may be configured to directly sense through the coil 123 and output the vibration for alarm according to the state information set by the state information setting unit 125. That is, according to the user's approach, it may be configured to immediately apply vibration to call attention to the user.

The door open detection sensor 130 may be configured to detect the opening of each door 20 installed at the front or rear of the switchboard, respectively. Since a dangerous situation may be caused by the opening of the door 20, an alarm is required.

The door open detection sensor 130 may be configured to include a laser light emitting unit 131, a laser light receiving unit 132, and a door open signal generating unit 133. Hereinafter, a detailed configuration will be described.

The laser light emitting unit 131 may be provided on the door 20 and configured to always emit laser light.

The laser light receiving unit 132 may be configured to always receive a laser emitted from the laser light emitting unit 131 in a closed state of the door 20.

Since the laser has strong linearity, when the door 20 is opened, the alignment between the laser light emitting unit 131 and the laser light receiving unit 132 is distorted, so that the opening of the door 20 can be easily detected.

When the door 20 is opened and the laser light receiving unit 132 cannot receive the laser, the door open signal generation unit 133 is configured to generate a door open signal and transmit it to the alarm setting unit 183 of the controller 180 in real time. Can be.

The earthquake detection sensor 140 is provided in the switchboard and may be configured to detect an earthquake. The earthquake detection sensor 140 may be configured to transmit an earthquake detection signal to the alarm setting unit 183 of the controller 180 in real time.

The charging unit protective cover state detection sensor 150 may be configured to detect an open state of the protective cover of the charging unit 30. Since the charging unit 30 is maintained in a high voltage state from the charging state, opening the protective cover of the charging unit 30 may cause a very dangerous situation to the user.

The charging unit protective cover state detection sensor 150 may be configured to include a laser light emitting unit 151, a laser light receiving unit 152, and a charging unit protective cover open signal generation unit 153.

The laser light emitting unit 151 may be provided on the protective cover of the charging unit 30 and configured to emit laser light at all times.

The laser light receiving unit 152 may be configured to always receive the laser emitted from the laser light emitting unit 151 in the closed state of the protective cover of the charging unit 30.

Since the laser has strong linearity, when the protective cover of the charging unit 30 is opened, the alignment between the laser light emitting unit 151 and the laser light receiving unit 152 is distorted, so that the opening of the protective cover of the charging unit 30 can be easily detected.

When the protective cover of the charging unit 30 is opened and the laser light receiving unit 152 cannot receive the laser, the charging unit protective cover open signal generation unit 153 generates an alarm setting unit of the controller 180 by generating a charging unit protective cover open signal ( 183) can be configured to transmit in real time.

The voice alert module 160 may be configured to output a voice alert according to an alert level set by the controller 180. It may be configured to output a voice alert including a specific guide phrase.

The buzzer alarm module 170 may be configured to output a buzzer sound according to an alarm level set by the controller 180. The level of the alarm can be indicated by setting a different buzzer tone.

The controller 180 detects the live wire state of the lead-in line 10, the opening of the door 20, an earthquake, the opening of the protective cover of the charging unit 30, etc., the voice alarm module 160 and the buzzer alarm module 170 Can be controlled to output an alarm.

Specifically, the controller 180 detects a live wire state of the lead-in line 10 from the live wire detection sensor 110, or detects the user's approach to the lead-in wire 10 in a live wire state from the user band 120, Door open detection sensor 130 detects the opening of the door 20, earthquake detection sensor 140 detects an earthquake, or the open state of the protective cover of the charging part 30 by the detection sensor 150 When is detected, the voice alarm module 160 or the buzzer alarm module 170 may be controlled to output a voice alarm or a buzzer sound.

The controller 180 can set from the first alarm to the fourth alarm according to the level of danger.

Specifically, the controller 180 is a primary alarm when the live wire detection sensor 110 detects the live wire condition of the lead-in line 10 or the user band 120 detects the user's approach to the lead-in wire line 10 Can be controlled to output.

In addition, the controller 180 may control to output a secondary alarm when the door opening detection sensor 130 detects the opening of the door 20.

Further, the controller 180 outputs a third alarm when an earthquake of magnitude 3.0 or higher is detected by the earthquake detection sensor 140 or the open state of the protective cover of the charging unit 30 is detected by the charging unit protection cover state detection sensor 150. Can be controlled.

Further, the controller 180 may control to output a fourth alarm when an earthquake of magnitude 4.0 or higher is detected by the earthquake detection sensor 140 or when the user band 120 detects an approach to the charging unit 30 of the user.

The alarm sound or buzzer sound may be set differently for the first alarm to the fourth alarm so that the user can recognize it.

The controller 180 may be configured to include a live line status notification unit 181, a Bluetooth communication unit 182, an alarm setting unit 183, a status information analysis unit 184, and a sensor test unit 185. Hereinafter, a detailed configuration will be described.

The live line status notification unit 181 is configured to notify the live line status of the incoming line 10 to the alarm setting unit 183 in real time when the live line state of the incoming line 10 is detected by the live line detection sensor 110. I can.

In addition, the live wire status notification unit 181 may be configured to notify the live wire status of the incoming line 10 to the user band 120 through the Bluetooth communication unit 182. When the Bluetooth communication unit 121 of the user band 120 receives a notification, the alarm vibration motor 122 may be configured to output the alarm vibration.

As described above, the Bluetooth communication unit 182 may be configured to transmit the live line status notified in real time from the live line status notification unit 181 to the Bluetooth communication unit 121 of the user band 120 in real time.

The Bluetooth communication unit 182 may be configured to receive, in real time, status information indicating a live wire state of the incoming line 10 or a charging state of the charging unit 30 from the Bluetooth communication unit 121 of the user band 120. The state information may indicate a live wire state or a degree of a charge state.

The state information analysis unit 184 may be configured to analyze the state information of the live wire state of the lead-in line 10 or the state of charge of the charging unit 30 received from the Bluetooth communication unit 182 in real time. You can analyze the level of live wire or charging status.

The alarm setting unit 183 controls to output an alarm through the voice alarm module 160 or the buzzer alarm module 170 by setting an alarm according to the live wire state or the charging state notified in real time from the live wire state notification unit 181. I can.

That is, the alarm setting unit 183 may control to output an alarm through the voice alarm module 160 or the buzzer alarm module 170 by setting an alarm according to the analysis result of the state information analysis unit 184.

The sensor test unit 185 stops the actual operation state and tests whether the live wire detection sensor 110, the door open detection sensor 130, the earthquake detection sensor 140, and the charging part protection cover status detection sensor 150 operate normally. Can be configured to

The sensor test unit 185 may be configured to execute a sensor test mode according to a user's input, and temporarily suspend a function of the alarm setting unit 183 in the sensor test mode.

The sensor test unit 185 includes a buzzer alarm module 170 whenever the sensing values of the live wire detection sensor 110, the door open detection sensor 130, the earthquake detection sensor 140, and the charging unit protection cover state detection sensor 150 change. It can be controlled to output a corresponding buzzer sound.

For example, when the door 20 is opened in the sensor test mode, the buzzer alarm module 170 may output a short buzzer sound unlike a buzzer sound for an actual alarm. If the buzzer sound is output briefly, it can be seen that the door open detection sensor 130 is operating properly.

In FIG. 3, LEDs indicating whether the live lines R, the S live lines, and the T live lines are in a live state are provided, and LEDs indicating an alarm stop mode, a sensor test mode, and a lamp test mode are provided. In addition, an alarm generation LED indicating an alarm occurrence, a speaker, and a buzzer are provided.

Although described with reference to the above embodiments, those skilled in the art can understand that various modifications and changes can be made to the present invention without departing from the spirit and scope of the present invention described in the following claims. There will be.

110: live wire detection sensor 120: user band
121: bluetooth communication unit 122: vibration motor for alarm
123: coil 124: current measuring unit
125: status information setting unit 130: door open detection sensor
131: laser light emitting unit 132: laser light receiving unit
133: door open signal generation unit 140: earthquake detection sensor
150: sensor for detecting the state of the protective cover of the live part
151: laser light emitting unit 152: laser light receiving unit
153: live part protective cover open signal generator
160: voice alarm module 170: buzzer alarm module
180: controller 181: live wire status notification unit
182: bluetooth communication unit 183: alarm setting unit
184: state information analysis unit 185: sensor test unit

Claims (8)

A live wire detection sensor 110 for detecting a live wire state of the lead-in line 10 leading to the switchboard;
A user band 120 that is worn or attached to the user's body and senses an approach to the lead-in line 10 in the live state;
A door open detection sensor 130 for detecting the opening of the door 20 respectively installed at the front or rear of the switchboard;
An earthquake detection sensor 140 for detecting an earthquake;
A charging unit protective cover state detection sensor 150 for detecting an open state of the protective cover of the charging unit 30;
A voice alert module 160 for outputting a voice alert;
A buzzer alarm module 170 for outputting a buzzer sound;
The live wire detection sensor 110 detects the live wire state of the lead-in line 10, the user band 120 detects the user's approach to the lead-in wire wire 10, or the door open detection sensor 130 ) When the door 20 is opened, the earthquake detection sensor 140 detects an earthquake, or the charging unit protection cover state detection sensor 150 detects the open state of the protection cover of the charging unit 30 , The voice alarm module 160 or the buzzer alarm module 170 includes a controller 180 for controlling to output a voice alarm or a buzzer sound,
The controller 180,
When the live wire detection sensor 110 detects the live wire state of the lead-in line 10 or the user band 120 detects the user's access to the lead-in line 10 in the live wire state, a primary alarm is output, and When the door opening detection sensor 130 detects the opening of the door 20, a secondary alarm is output, and the earthquake detection sensor 140 detects an earthquake with an intensity of 3.0 or more, or the charging part protection cover state detection sensor When the open state of the protective cover of the charging unit 30 is detected at 150, a third alarm is output, and an earthquake with a magnitude of 4.0 or higher is detected by the earthquake detection sensor 140, or the user at the user band 120 Controls to output a fourth alarm when the approach to the charging unit 30 of is detected,
The user band 120,
A Bluetooth communication unit 121 for receiving a live wire state of the lead-in line 10 from the Bluetooth communication unit 182 of the controller 180,
An alarm vibration motor 122 that outputs an alarm vibration when a live wire state of the incoming line 10 is received from the Bluetooth communication unit 121,
As the user approaches the lead-in line 10 or the charging unit 30 in the live-line state, a coil that forms a current by a magnetic field induced by the lead-in line 10 or the charging unit 30 in the live-line state (123),
A current measuring unit 124 that measures the current formed by the coil 123,
And a state information setting unit 125 for setting state information indicating a live state of the lead-in line 10 or a state of charge of the charging unit 30 according to the current measured by the current measuring unit 124,
The Bluetooth communication unit 121,
It is configured to transmit the status information set by the status information setting unit 125 to the Bluetooth communication unit 182 of the controller 180,
The alarm vibration motor 122,
It is configured to output an alarm vibration according to the status information set in the status information setting unit 125,
The door open detection sensor 130,
A laser light emitting unit 131 provided on the door 20 to emit laser light,
A laser light receiving unit 132 for receiving a laser emitted from the laser light emitting unit 131 in the closed state of the door 20,
When the laser light receiving unit 132 fails to receive the laser as the door 20 is opened, a door open signal generation unit generates a door open signal and transmits it to the alarm setting unit 183 of the controller 180 in real time ( 133),
The charging part protective cover state detection sensor 150,
A laser light emitting unit 151 provided on the protective cover of the charging unit 30 to emit laser light,
A laser light receiving unit 152 that receives a laser emitted from the laser light emitting unit 151 in the closed state of the protective cover of the charging unit 30,
When the laser light-receiving unit 152 cannot receive a laser due to the opening of the protective cover of the charging unit 30, a charging unit that generates a protective cover open signal for the charging unit and transmits it in real time to the alarm setting unit 183 of the controller 180 Including a protective cover open signal generation unit 153,
The controller 180,
When the live wire detection sensor 110 detects the live wire state of the incoming line 10, a live wire state notification unit 181 for notifying the live wire state of the incoming line 10 in real time,
The live wire status notified in real time from the live wire status notification unit 181 is transmitted in real time to the Bluetooth communication unit 121 of the user band 120, and the incoming line 10 from the Bluetooth communication unit 121 of the user band 120 Bluetooth communication unit 182 for receiving the live wire state of the or the charging state of the charging unit 30 in real time,
An alarm setting unit 183 for controlling to output an alarm through the voice alarm module 160 or the buzzer alarm module 170 by setting an alarm according to the live wire state notified in real time from the live wire state notification unit 181,
A state information analysis unit 184 that analyzes the live wire state of the lead-in line 10 or the charging state of the charging unit 30 received in real time from the Bluetooth communication unit 182,
The sensor test mode is executed according to the user's input, and the function of the alarm setting unit 183 is stopped in the sensor test mode, and the live wire detection sensor 110, the door open detection sensor 130, the earthquake detection sensor 140 ) And a sensor test unit 185 for controlling the buzzer alarm module 170 to output a corresponding buzzer sound whenever a sensing value of the charging unit protection cover state detection sensor 150 changes,
The alarm setting unit 183,
Control to output an alarm through the voice alarm module 160 or the buzzer alarm module 170 by setting an alarm according to the analysis result of the status information analysis unit 184,
The earthquake detection sensor 140 is provided in the switchboard and is configured to detect an earthquake, and the earthquake detection sensor 140 is configured to transmit an earthquake detection signal to the alarm setting unit 183 of the controller 180 in real time,
The alarm sound or buzzer sound is set differently for the first alarm to the fourth alarm so that the user can recognize it,
When the door 20 is opened in the sensor test mode, the buzzer alarm module 170 outputs a buzzer sound shorter than the buzzer sound for an actual alarm to inform that the door open detection sensor 130 is properly operating. Switchgear with access and earthquake warning systems. delete delete delete delete delete delete delete

Images