KR101201955B1 - Electronic Meter for fire protection and tamper proof protection. - Google Patents

Abstract

PURPOSE: An automatic meter reading system for fire proof and tamper proof is provided to block or control power supply when a damage state of high temperature heating is generated, thereby preventing electricity meter damage and a fire accident. CONSTITUTION: A second current sensing sensor unit(105) is installed in a neutral terminal and senses conducted power. A micro switch unit(110) is installed at a main cover or a terminal cover. The micro switch unit generates and records an event when a sealing unit is opened or dissolved. A temperature sensing unit(115) senses temperature of a load terminal unit. When the sensed temperature is over predetermined temperature, a load alarm unit(120) generates a reserve alarm through a buzzer(200) or a display panel(210). A magnetic sensing unit(125) senses access of a magnet class interrupting accumulation of electricity meter. When a tamper alarm unit(130) receives a sensing signal from the magnetic sensing unit, the tamper alarm unit generates an alarm through the buzzer or the display panel. A memory(135) stores setting temperature for event recording information and the reserve alarm. [Reference numerals] (110) Micro switch unit; (115) Temperature sensing unit; (120) Load alarm unit; (125) Magnetic sensing unit; (130) Tamper alarm unit; (135) Memory unit; (140) Central control unit; (145) Reverse sensing unit; (150) Load blocking unit; (200) Buzzer; (210) Display panel; (300) Event information extracting unit

Description

Electronic Meter for fire protection and tamper proof protection

The present invention relates to an electronic electricity meter for preventing fire and preventing electricity. More particularly, when a dangerous state of high temperature heat is generated by detecting a temperature state of a terminal, an electric power meter is adjusted or shut off to prevent damage to the electricity meter and fire. In order to prevent or reduce power usage by providing a tamper proof function, when attempting to use the power, the power amount for abnormal use that cannot be accumulated by the general electricity meter is normally accumulated and It generates an alarm to minimize the damage, and performs an alarm operation to prevent the operation caused by contact with strong magnets that may interfere with the normal operation of the electricity meter. When dismantling (cover, terminal cover), record this when The present invention relates to an electronic electricity meter for fire protection and conduction prevention that a supplier can inquire about.

In general, the electronic digital electricity meter (hereinafter referred to as an electronic electricity meter), which is widely used in the industry, is composed of various electric and electronic devices, converts analog data of voltage and current into digital data, calculates power using digital data, and calculates time. The amount of power is measured by accumulating the power change according to the flow.

Due to the structural and electrical characteristics of the electronic watt-hour meter, if excessive temperature rise occurs in the terminal block, terminal, and PCB, there is no means to detect the situation for the abnormal temperature. It has led to a fire.

As a background technology to solve this problem, Korean Patent Registration No. 1024628 discloses an electronic electricity meter for preventing fire by detecting temperature, but the background technology cannot integrate power amount when using a load for reverse connection or conduction. It was not possible to prevent the financial damage of the company, and it was not possible to prevent it even in the case of contact attempts that could interfere with the normal operation of the electricity meter.

Korea Patent Registration 1024628 (2011.03.25)

Therefore, the present invention has been proposed in view of the problems of the prior art as described above, and an object of the present invention is to detect a temperature state of a terminal and when a dangerous state of high temperature heat is generated, the power supply is controlled or shut off to prevent breakdown and fire of the electricity meter. It is to help prevent accidents.

Another object of the present invention is to provide a tamper proof function to reduce the power usage fee or to use it in an unjust manner in order to prevent the occurrence of power consumption. It is to generate an alarm to minimize the damage.

Another object of the present invention is to perform an alarm operation to prevent the operation caused by the contact of strong magnets that can interfere with the normal operation of the electricity meter, the meter meter (cover, terminal cover) other than the certified work This is to record it when dismantling so that the relevant power supplier can inquire it.

In order to achieve the object of the present invention,

Electronic electricity meter for fire protection and conduction prevention according to an embodiment of the present invention,

A second current sensor unit 105 installed at the neutral terminal to sense electric power being conducted;

A microswitch unit 110 installed at least one of the main cover and the terminal cover to generate an event when the seal is opened or dismantled to record an event;

A temperature sensing unit 115 installed at the load terminal unit and sensing a temperature;

A load alarm unit 120 generating a preliminary alarm through a buzzer or a display panel when the sensed temperature exceeds a preset temperature;

A magnetic force sensing unit 125 for sensing the approach of the magnets that prevent the integration of the electricity meter;

A conductive alarm unit 130 generating an alarm through the buzzer 200 or the display panel 210 when receiving the detection signal transmitted by the magnetic force sensing unit;

A memory unit 135 including the event record information and a set temperature for a preliminary alarm;

The second current sensor 105, the micro switch 110, the temperature sensor 115, the load alarm 120, the magnetic force sensor 125, the conductive alarm 130, It comprises a; central control unit 140 for controlling the signal flow between the memory unit 135 is to solve the problem of the present invention.

Electronic electricity meter for fire protection and conductive prevention according to the present invention having the above configuration and action,

When the temperature condition of the terminal is detected and a dangerous state of high temperature heat is generated, the power supply is controlled or cut off to prevent an accident such as a breakdown of the electricity meter and a fire.

In addition, it provides a tamper proof function to reduce the power usage fee or to prevent it from occurring.It attempts to accumulate the amount of power for abnormal use that cannot be accumulated by the general electricity meter and minimizes the damage of the power supply company. It can provide the effect of generating an alarm so that it can be done.

In addition, when an attempt is made to contact the strong magnets that may interfere with the normal operation of the electricity meter, an alarm operation is performed to prevent the operation, and when the dismantlement of the electricity meter seal (cover, terminal cover) other than the certified work is recorded, it is recorded. This provides the effect that the power supplier can look up.

1 is an overall block diagram of an electronic electricity meter for fire protection and conduction prevention according to an embodiment of the present invention.
2 is an exemplary view showing an example in which the sensing unit of the electronic watt-hour meter for the fire protection and conduction prevention according to an embodiment of the present invention is installed.

Electronic wattmeter for fire protection and conduction prevention according to an embodiment of the present invention for achieving the above object,

In the electronic electricity meter for fire protection and conduction prevention,

A second current sensor unit 105 installed at the neutral terminal to sense electric power being conducted;

A microswitch unit 110 installed at least one of the main cover and the terminal cover to generate an event when the seal is opened or dismantled to record an event;

A temperature sensing unit 115 installed at the load terminal unit and sensing a temperature;

A load alarm unit 120 generating a preliminary alarm through a buzzer or a display panel when the sensed temperature exceeds a preset temperature;

A magnetic force sensing unit 125 for sensing the approach of the magnets that prevent the integration of the electricity meter;

A conductive alarm unit 130 generating an alarm through the buzzer 200 or the display panel 210 when receiving the detection signal transmitted by the magnetic force sensing unit;

A memory unit 135 including the event record information and a set temperature for a preliminary alarm;

The second current sensor 105, the micro switch 110, the temperature sensor 115, the load alarm 120, the magnetic force sensor 125, the conductive alarm 130, And a central controller 140 for controlling a signal flow between the memory units 135.

At this time, the electronic wattmeter for fire protection and conduction prevention according to an additional aspect,

Characterized in that it further comprises; a reverse direction detection unit 145 for detecting the power consumption by detecting the direction of the current flow when using the load in 1S, 1L for reverse connection or conduction.

At this time, the electronic wattmeter for fire protection and conduction prevention according to another additional aspect,

And a load blocking unit 150 for blocking the load when the sensed temperature is higher than a set dangerous temperature.

At this time, the memory unit,

The event record information to be stored is characterized by including the year, month, hour, number of times of opening.

At this time, instead of the micro switch unit,

Proximity sensor or limit switch is characterized in that the installation can be configured.

At this time, the electronic wattmeter for fire protection and conduction prevention according to another additional aspect,

And an event generation information extracting unit 300 extracting the alarm generation signal by the event recording information stored in the memory unit and the load alarm unit and the conductive alarm unit and transmitting the corresponding information to the manager.

At this time, by installing the second current detection sensor unit on the neutral terminal,

Bypassing 1S-1L, power usage can be detected even under load, power usage can be detected even under load from 1S-2L, power usage can be detected even under load from 2S-1L, and load from 2L-ground It is possible to detect power usage even when using.

Hereinafter, an embodiment of the electronic wattmeter for preventing fire and conducting electricity according to the present invention will be described in detail.

1 is an overall block diagram of an electronic electricity meter for fire protection and conduction prevention according to an embodiment of the present invention.

As shown in Figure 1, the electronic wattmeter for the fire protection and conductive prevention of the present invention,

A second current sensor unit 105 installed at the neutral terminal to sense electric power being conducted;

A microswitch unit 110 installed at least one of the main cover and the terminal cover to generate an event when the seal is opened or dismantled to record an event;

A temperature sensing unit 115 installed at the load terminal unit and sensing a temperature;

A load alarm unit 120 generating a preliminary alarm through a buzzer or a display panel when the sensed temperature exceeds a preset temperature;

A magnetic force sensing unit 125 for sensing the approach of the magnets that prevent the integration of the electricity meter;

A conductive alarm unit 130 generating an alarm through the buzzer 200 or the display panel 210 when receiving the detection signal transmitted by the magnetic force sensing unit;

A memory unit 135 including the event record information and a set temperature for a preliminary alarm;

The second current sensor 105, the micro switch 110, the temperature sensor 115, the load alarm 120, the magnetic force sensor 125, the conductive alarm 130, And a central controller 140 for controlling a signal flow between the memory units 135.

Conventional power meters are only measured in 1S, in the case of the present invention by installing a second current sensor unit 105 for sensing the electric power to the 2S terminal, that is, the neutral terminal to configure the power to be conducted through the neutral terminal Will be detected.

Referring to Figure 2, by bypassing the 1S-1L it is possible to detect the power consumption when using the load, it is possible to detect the power usage even when using the load from 1S-2L, the power usage detection even when using the load from 2S-1L It is possible to detect power usage even when using load from 2L-ground.

The embodiment of the present invention is an example of a single phase, and is applied to the N terminal even in a three-phase wattmeter.

The temperature sensing unit 115 is configured to be installed in the load terminal to sense the temperature, which prevents the burnout of the electricity meter due to high temperature, the fire prevention of the electricity meter and installation building due to high temperature, property and life protection of customers due to fire It is necessary for.

In this case, the load alarm unit 120 generates a preliminary alarm through the buzzer or the display panel when the sensed temperature exceeds the set temperature. The central controller acquires the set temperature for the preliminary alarm from the memory unit by the temperature sensing unit. When the temperature exceeds the set temperature for the preliminary warning compared to the detected temperature, the operation signal is sent to the load alarm unit, and the load alarm unit transmits an operation command to the buzzer or the display panel.

The magnetic force detection unit 125 detects the approach of the magnets that interfere with the integration of the electricity meter, which is to generate an alarm when the magnets that interfere with the integration of the electricity meter are generated and to prevent the failure of the electricity meter in advance. .

The conductive alarm unit 130 generates an alarm through the buzzer 200 or the display panel 210 when receiving the detection signal transmitted by the magnetic force sensing unit. The generation process is the same as that of the temperature sensing unit.

The occurrence of the alarm prevents the operation of the electricity meter and prevents the electricity supplier's power usage fee and financial damages.

In addition, the micro-switch unit 110 is installed on at least one of the main cover and the terminal cover to generate an event when opening or disassembling the sealing unit to record the event.

That is, attaching to a sealing part (e.g., main cover, terminal cover, battery, etc.) that may cause breakage and arbitrary operation of the electricity meter, an event is generated to generate an event for the arbitrary opening or disassembly of the cover by a third party. The reason for the attempt will be saved.

On the other hand, the present invention is configured to further include; a reverse direction detection unit 145 for detecting the power consumption by detecting the direction of the current flow when using the load in 1S, 1L for reverse connection or conduction.

That is, as shown in Figure 2, 1S, 1L by configuring the reverse direction sensing unit 145 for detecting the power consumption by detecting the direction of the current flow when using the load, even in the case of a reverse connection or a challenge due to a mistake in normal weighing and integration Is to make this possible.

This prevents the challenge.

On the other hand, according to an additional aspect it may be configured to include a; further includes a load blocking unit 150 for blocking the load when the detected temperature is above the set dangerous temperature.

This is to prevent secondary damage from fire.

The event record information stored in the memory unit includes opened year, month, hour, number of times information, and the event record information stored in the memory unit by the event occurrence information extracting unit 300 and the load alarm unit and the conductive alarm unit. The alarm generation signal is extracted and the corresponding information is sent to the administrator.

The manager information may be stored in advance in the memory unit, and then the information may be transmitted to the portable terminal of the manager.

In addition, the proximity sensor or limit switch may be installed instead of the micro switch.

Through the above configuration and operation, it provides a tamper proof function to reduce the power usage fee or to accumulate the amount of power for abnormal use that is not accumulated by the general electricity meter when attempting to use the power in an illegal way. It provides the effect of generating an alarm so that the damage of the power supply can be minimized.

In addition, when an attempt is made to contact the strong magnets that may interfere with the normal operation of the electricity meter, an alarm operation is performed to prevent the operation, and when the dismantlement of the electricity meter seal (cover, terminal cover) other than the certified work is recorded, it is recorded. This provides the effect that the power supplier can look up.

It will be appreciated by those skilled in the art that the present invention may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. Therefore, the above-described embodiments are to be understood as illustrative in all respects and not restrictive.

The scope of the invention is indicated by the following claims rather than the above description, and all changes or modifications derived from the meaning and scope of the claims and their equivalents should be construed as being included in the scope of the invention. do.

105: second current sensor unit
110: micro switch unit
115: temperature detection unit
120: load alarm unit
125: magnetic sensing unit
130: challenge alarm
135 memory section
140: central control unit
200: buzzer
210: display panel

Claims (7)

In the electronic electricity meter for fire protection and conduction prevention,
A second current sensor unit 105 installed at the neutral terminal to sense electric power being conducted;
A microswitch unit 110 installed at least one of the main cover and the terminal cover to generate an event when the seal is opened or dismantled to record an event;
A temperature sensing unit 115 installed at the load terminal unit and sensing a temperature;
A load alarm unit 120 generating a preliminary alarm through a buzzer or a display panel when the sensed temperature exceeds a preset temperature;
A magnetic force sensing unit 125 for sensing the approach of the magnets that prevent the integration of the electricity meter;
A conductive alarm unit 130 generating an alarm through the buzzer 200 or the display panel 210 when receiving the detection signal transmitted by the magnetic force sensing unit;
A memory unit 135 including the event record information and a set temperature for a preliminary alarm;
The second current sensor 105, the micro switch 110, the temperature sensor 115, the load alarm 120, the magnetic force sensor 125, the conductive alarm 130, Electronic power meter for fire protection and conduction protection, comprising a; central control unit 140 for controlling the signal flow between the memory unit (135).
The method of claim 1,
Electronic power meter for fire protection and conduction protection, characterized in that it further comprises; a reverse detection unit 145 for detecting the power consumption by detecting the direction of current flow when the load is used in 1S, 1L for reverse connection or conduction .
The method of claim 1,
And a load cut-off unit (150) for blocking the load when the sensed temperature is higher than the set dangerous temperature.
The method of claim 1,
In the memory unit,
The event record information to be stored includes the year, month, hour, number of times the electronic electricity meter for the fire protection and the challenge, characterized in that the opening.
The method of claim 1,
Instead of the micro switch unit,
Electronic electricity meter for fire protection and conduction prevention, characterized in that the proximity sensor or limit switch unit can be installed and configured.
The method of claim 1,
Event record information stored in the memory unit and the event alarm information extraction unit 300 to extract the alarm signal generated by the load alarm unit and the conductive alarm unit to send the information to the administrator; Fire protection characterized in that it further comprises And an electronic wattmeter for preventing conductivity.
The method of claim 1,
Install and configure the second current sensor unit on the neutral terminal,
Bypassing 1S-1L, power usage can be detected even under load, power usage can be detected even under load from 1S-2L, power usage can be detected even under load from 2S-1L, and load from 2L-ground Electronic electricity meter for fire protection and conduction prevention, characterized in that the power consumption can be detected even during use.

Images