KR101048679B1 - Remote power supply control - Google Patents

Abstract

The present invention relates to a consumer power supply control device for shutting off or restoring electricity supplied to a consumer, and more particularly, can be installed separately from the electricity meter or installed in an electronic electricity meter to block or recover electricity applied to the consumer remotely. It relates to a remote power supply control device.

The remote power supply control apparatus according to the present invention, the customer power supply control device installed on the power line of the customer to cut off or restore the electricity supplied to the customer, and collects and analyzes a variety of information about the customer command signal and various controls A remote power supply control device comprising a management server of a power supplier for transmitting and receiving a value, and a remote control device for receiving a command signal from the power supply management server and remotely controlling a customer power supply control device installed at a power line of the customer.

The consumer power supply control device includes: a transceiver for receiving information from a management server and a remote control device of the power supplier and transmitting a processing result; A central processing unit which analyzes the command signal inputted through the transmission and reception unit, and is responsible for setting control values, controlling commands, analyzing the amount of current used, conducting determination, and operating an algorithm; A memory for storing command signals, status data, and control values of the power supplier; A current amount detection device for detecting an instantaneous amount of power to supply a minimum living current to the disconnected consumer; A switching unit for cutting off or restoring power supplied to a customer according to a command signal of the power supplier or a control signal of the central processing unit according to a time and electricity usage set by the power supplier; It is characterized in that it comprises a conductive detection device (TDR) for analyzing the state of the power line to prevent the conduction of the consumer.

Power supply, remote, power failure, recovery, remote, electricity meter, fee delinquency

Description

Remote Power Supply Control Unit {APPARATUS FOR REMOTELY CONTROLLING ELECTRIC POWER SUPPLY}

The present invention relates to a remote power supply control device for cutting off or restoring power applied to a customer, and more particularly, it is easy to install without having to replace an existing electricity meter by installing it separately from the electricity meter or detachably installing the electronic electricity meter. It can warn customers before power cut action and provide minimum living current for basic life after power cut action to minimize damage to customers due to power cut action, and it can be controlled remotely, so it can adopt power supply system such as fixed period or prepaid. In addition, the present invention relates to a remote power supply control device having a conductive detection means to prevent a consumer's challenge.

With the development of home appliances, information and communication devices, and the automation of facilities for production, electricity is essential in modern home life and production activities. This electricity is provided to the customer by the power supplier, and the customer pays the electricity supplier for the amount of power used.

Therefore, if the customer who receives the electricity does not pay the electricity fee within a predetermined period, the power supplier cuts the power line supplied to the customer and cuts off the supply of electricity. On the contrary, when the consumer pays the overdue electricity bill, the power supplier resumes the electricity supply by connecting the broken power line again. To this end, power providers are dispatching manpower to cut or repair consumer power lines. This work increases the cost of the power provider. In addition, the recovery of power lines by manpower requires considerable time, which causes inconvenience to consumers.

In particular, in recent years, the economic situation has worsened, causing frequent delinquency in electricity bills, leading to increased power cuts. This cut-off prevents low-income people, people with disabilities and people living with care from using the electricity they need to live at least. Therefore, the cut-off consumer replaces lighting with candles and heats or cooks with a portable gas burner.

In order to solve this problem, recently, a prepaid power supply method for supplying the amount of electricity paid by the customer in advance or a fixed-term power supply method for supplying power only for a predetermined period between the customer and the power supplier has been proposed. Since this new power supply method does not inherently cause overdue, the management of the power supplier is maintained smoothly, and the customers can receive a discount on the prepayment and can control the power consumption by themselves, thereby minimizing the damage caused by power failure. can do.

In order to adopt such a new power supply method, a power supply control means capable of freely interrupting or restoring a power line of a consumer is required. The present invention relates to such a remote power supply control means.

 On the other hand, in recent years, electronic watt-hour meters capable of remote meter reading have been installed on power lines of consumers. The electronic electricity meter is equipped with a power cut-off switch that can cut or restore the electricity supplied to the customer. Therefore, by using the electronic electricity meter installed with the power cut off switch, it is possible to control the electricity supplied to the customer from the remote. However, electronic wattmeters with built-in power cuts are expensive, placing a heavy burden on consumers and suppliers.

In addition, a network system of intelligent electronic meters has been developed. In order to manage home management remotely, it manages connection of customer's power management, home appliance and equipment management, and security management through communication network such as internet, and performs data metering, control management and hardware and software inspection of electricity meter. In addition to comprehensively managing home management and after-sales service remotely by judging whether there is a product quality problem, a built-in safety device can perform warning display and load interruption function when rated current is abnormal.

In addition, a wattmeter has been developed that can cut off or restore the power supply using an earth leakage breaker. It has a power cut-off switch built into the circuit breaker. In this case as well, the circuit breaker has to be newly replaced, and the structure of the circuit breaker becomes complicated, which makes it difficult to secure the reliability of the circuit breaker.

The present invention is to solve the problems of the prior art, the main object of the present invention can be installed separately from the existing wattmeter or replaceable to the existing wattmeter without replacing the customer's wattmeter or earth leakage breaker inexpensive and easy to install It is to provide a power supply control device.

Another object of the present invention is to provide a basic living current necessary for basic life even after a power cut in order to minimize damage to consumers caused by power cut measures and to guarantee the basic life of certain classes (low-income people, persons with disabilities and persons living on welfare). It is to provide a consumer power supply control device that cuts off power step by step through warning and power failure when the amount of supplied current exceeds the basic living current.

Another object of the present invention is to supply electricity to the customer according to the period of use or the amount of power set in accordance with the agreement between the power supply and the consumer after the period expires or the amount of power used to reach the set power amount automatically cut off the power supply It is to provide a feed control device.

In addition, the present invention is to provide a consumer power supply control device that can prevent and monitor the consumer's challenge by analyzing the state change of the power line of the consumer or by comparing the total amount of current supplied to each customer.

In order to achieve the above object, the remote power supply control device according to the present invention, the customer power supply control device installed on the power line of the customer to cut off or restore the electricity supplied to the customer, and a variety of information about the customer A remote control device including a management server of a power supplier that collects and analyzes and transmits and receives a command signal or a control value, and a remote control device that receives a command signal of the power provider management server and remotely controls a consumer power supply control device installed on a power line of a customer. In the power supply control device,

The consumer power supply control device, and receiving and receiving information from the management server and the remote control device and a transmission and reception unit for transmitting and receiving a result; A memory for storing command signals, control values or status data of the management server; A switching unit which cuts off or restores a power line of a customer according to a time or electricity usage set by a command signal or a control value of the management server and a remote control device; A current amount detection device for detecting an instantaneous amount of power to supply a minimum living current to the disconnected consumer; A central processing unit for analyzing the command signal or the control value inputted through the transceiver and controlling the switching unit according to the result, and controlling the switching unit according to the amount of current detected by the current amount detecting device and the algorithm stored in the memory; ; And a display unit and a warning unit for displaying a warning to the consumer about the power cut action.

In the present invention, the consumer power supply control device is a power circuit circuit for rectifying and converting the AC power supplied from the power supply to the direct current (DC) and the conduction to analyze the power line state of the customer to check whether the customer's challenge It further comprises a detection device (TDR), the central processing unit transmits the information about the challenge of the customer detected through the conductivity detection device to the management server.

The central processing unit of the consumer power supply control device includes a clock control circuit for calculating a period of time and supplies electricity supplied to the consumer compared to the set period received from the management server and the remote control device of the power supplier and stored in the memory. Automatically shut off when the set period is reached.

In addition, the central processing unit of the consumer power supply control device is received from the management server and the remote control of the power supplier and the amount of power used continuously received from the electronic electricity meter installed in the power line of the customer and the set power stored in the memory When the amount of power used reaches the set power level, the display unit and the warning unit warns the customer of the power cut action, and if the newly set power amount is not received from the management server and the remote control device within a predetermined time after the warning, the electricity is supplied to the customer. Block automatically.

In the present invention, the electronic electricity meter is installed on the power line of the consumer so as to be adjacent to the consumer power supply control device, the supply side of the power line passes through the consumer power supply control device is introduced into the electronic electricity meter and the output side of the power line is Passes through the customer power supply control device and outputs to the customer side.

The consumer power supply control device includes a plurality of first power supply terminals and first power output terminals, and the electronic power meter includes a plurality of second power supply terminals and second power output terminals, wherein the customer power supply control is performed. The apparatus further includes a plurality of input connection terminals connecting the first power supply terminal and the second power supply terminal and a plurality of output connection terminals connecting the first power output terminal and the second power output terminal.

Preferably, the input connection terminal and the output connection terminal has a jack and a plug structure to detachably connect with the second power supply terminal and the second power output terminal of the electronic watt-hour meter.

In the present invention, a supply current measuring device for measuring the amount of current supplied to all the customer is installed in the poles that are connected to the power line of a plurality of consumers, the customer power supply control device installed in each customer to the amount of current supplied to each customer The measurement is provided to the supply current meter through wired / wireless communication, and the supply current meter compares the amount of current supplied to all the consumers with the amount of current supplied to each consumer to monitor whether the consumer is conductive.

According to the above-mentioned remote power supply control device, power cut and recovery can be performed remotely by the demand of the power supplier, thus saving labor cost due to dispatch of manpower and eliminating inconveniences caused by delayed power recovery. It is effective to introduce new power supply methods such as term system.

In addition, according to the present invention, it is possible to minimize the damage of the consumer due to the power cut action and to protect the basic life by warning the customer of the power cut before the power cut action and supplying the basic living current for the basic life even after the power cut action.

The present invention also has the effect of preventing a consumer from attempting a challenge by monitoring the state of a power line or collecting the amount of current for each customer and comparing it with the total supply current amount, thereby preventing the damage of the power supply according to the challenge.

The present invention has the effect of reducing the cost of replacing the electricity meter by installing separately from the existing electricity meter or detachably installed outside the existing electricity meter, without replacing the existing analog or electronic electricity meter.

Hereinafter, with reference to the accompanying drawings will be described in detail a preferred embodiment of the remote power supply control apparatus according to the present invention.

First, Figure 1 is a block diagram showing a remote power supply control apparatus according to the present invention. As shown, the remote power supply control device, the customer power supply control device 10 is installed on the power line (3) of the customer to disconnect or connect the electricity supplied to the customer in the power grid, and installed in a remote location Remote control for collecting and analyzing information and receiving and transmitting various command signals and setting values, and the management server 300 of the power supplier and the command signal of the management server 300 and transmitting them to the consumer power supply control device 10. Device 400.

The management server 300 of the power supplier is connected to the remote control device 400 through the wired / wireless communication network 500. In addition, the remote control device 400 is connected to the consumer power supply control device 10 through the wireless communication (600).

To this end, the consumer power supply control device 10 is provided with an antenna for wireless communication with the remote control device (400). 2 is a schematic block diagram showing an example of a consumer power supply control device 10 according to the present invention.

As shown, the consumer power supply control device 10 includes a power supply circuit unit 11, a transceiver 12, a central processing unit 14, and a switching unit 16. The power supply circuit section 11 and the switching section 16 are provided on the power line 3. The power circuit unit 11 receives alternating current (AC) power from the power supply side of the power line 3, converts it into direct current (DC), and supplies the same to each electronic component therein. The transceiver 12 includes an antenna for receiving a command signal and a set value transmitted from the remote controller 400 and a modem for processing the received signal. The CPU 14 generates various control signals according to the received command signal. The switching unit 16 cuts off or restores the power line 3 of the customer according to the control signal of the central processing unit 14.

In addition, the central processing unit 14 is connected with a memory 13, an input unit 15, a display unit and a warning unit 17, a clock control circuit 18 and a switch control circuit 19. The memory 13 stores the received command signal or setting value and the calculated data. The input unit 15 inputs various setting values. For example, the input unit 13 is used to input a registration number (ID) or authentication number of the consumer power supply control device. The display unit and warning unit 17 is composed of an LCD for displaying information on the power cut action to the consumer, or a buzzer or LED for warning the power cut action by sound or light. The clock control circuit 18 includes a clock circuit and a timer to generate hours, minutes, seconds, years, months, days, and the like, and calculate a set time. The switch control circuit 19 controls the operation of the switching unit 16.

The consumer power supply control device 10 includes a predetermined housing to be installed on the power line 3, and the housing is provided with a power supply terminal 23 and a power output terminal 24. For example, two input terminals 1P and 2P are formed at the power supply terminal 23, and two output terminals 1M and 2M are provided at the power output terminal 24. At this time, the number of terminals of the power supply terminal 23 and the power output terminal 24 is different depending on the single-phase, three-phase four-wire type, customer power supply control device 10 of the present invention is not limited to the number of terminals. Do not.

Preferably, the power supply circuit unit 11 of the consumer power supply control device 10 is composed of a power supply trend and a power supply circuit, and the output of the power supply circuit is an operating power source of the transceiver 12 and the central processing unit 14. Supplied. The transceiver 12 includes an antenna, a filter, a transceiver switching switch, an RF filter, a low noise amplifier, a mixer, an IF filter, a demodulator, a voltage controlled oscillator, a phase locked loop (PLL), a power amplifier, and the like.

Therefore, the customer power supply control device 10 receives a command signal and a setting value transmitted from the management server 300 or the remote control device 400 of the power supplier through the transceiver 12, the received setting value is The central processing unit 14 is stored in the memory 13 and the command signal is processed by the central processing unit 14 to generate an appropriate control command. For example, the memory 13 stores data related to the ID of the consumer power supply control device, the set power supply time, the time delay for the power cut action, the number of warnings, and the like.

In the remote power control device of the present invention, when the customer is past due to the electricity bill or other reasons of power outage, the remote control device 400 is a command signal received from the management server 300 and the ID of the customer power supply control device Relays The consumer power supply control device 10 processes the command signal when the ID received through the transceiver 12 is compared with the ID stored in the memory 13 and matches. For example, when the blocking command signal is received, the CPU 10 transmits a control signal corresponding to the blocking command signal to the switch control circuit 19. The switch control circuit 19 then operates the switch unit 16 to cut off the electricity applied to the load side of the consumer. At this time, the central processing unit 14 informs the warning or information related to the power cut action through the display unit and the warning unit 17 according to the algorithm stored in the memory 13 before issuing the block command signal or providing a predetermined delay time. give. On the contrary, when the customer pays the electric bill or other reasons of power failure, the management server 300 transmits a recovery command signal through the remote control device 400 and receives a recovery command signal from the remote control device 400. The received consumer power supply control device 10 sends the control signal corresponding to the recovery command signal to the central processing unit 14 and the switch control circuit 19 to turn on the switch 21 to supply electricity again. .

In addition, the consumer power supply control apparatus of the present invention may control the operation of the switch unit 16 based on the date data, time data and power amount data transmitted from the management server 300 of the power supplier. For example, when a certain date data or time data or power amount data determined according to a contract between a customer and a power supplier is provided to the customer power supply control device 10 through the remote controller 400, the customer power supply control device 10 stores the received date data, time data or power amount data in the memory 13, and the central processing unit 10 supplies power to the set time or set power stored in the memory 13 and actually to the customer. By comparing the supplied time or the amount of power used, the switch unit 16 is controlled to supply or cut off electricity.

For example, the central processing unit 10 checks the date in real time through the clock control circuit 18, counts the time from when the electricity is supplied, calculates the time of supplying electricity to the customer, and stores the memory 13. In comparison with the set time stored in the controller, the power cutoff control signal is applied to the switch unit 16 to turn off the switch 21. At this time, the central processing unit 14 also informs the user of information or warnings related to the power cut action through the display unit and the warning unit 17. Similarly, the CPU 10 applies a power cutoff control signal to the switch unit 16 when the amount of power used by the customer received through the transceiver 12 and the set power amount stored in the memory 13 are compared and matched. Switch 21 off.

As described above, the consumer power supply control device 10 of the present invention can disconnect or connect electricity drawn from the remote to the consumer does not require the operator to disconnect or connect the consumer power line. This not only saves the labor cost of the workers, but also makes it convenient for both power suppliers and consumers as they can disconnect or connect electricity in real time.

In addition, since the consumer power supply control device 10 cuts off the electricity according to the set time and the amount of power determined according to the contract, it is possible to fundamentally prevent the overdue of the electricity fee.

In addition, the consumer power supply control device 10, even when taking a power cut action, a plurality of times through a visual or auditory warning or a constant delay time, for example, a power cut off immediately after the occurrence of power failure, for example, a power cut and recovery for a certain time By repeating this exercise, the customer can be sufficiently warned of the blackout action and prevent the damage caused by the blackout.

3 is a block diagram showing another embodiment of the remote power supply control apparatus of the present invention. As shown, the remote power supply control device of the present embodiment includes an electronic electricity meter 120 and a customer power supply control device 110 on the power line 3 of the customer. At this time, the consumer power supply control device 110 is installed in close proximity to the electronic electricity meter 120 receives the data on the amount of power used from the electronic electricity meter (120).

In addition, the remote power supply control device includes a management server 300 and the remote control device 400 of the power supplier. The management server 300 may read the power consumption of the consumer from the electronic electricity meter 120 or the consumer power supply control device 110. The remote control device 400 receives a command signal from the management server 300 through the wired or wireless communication network 500 to control the consumer power supply control device 110 from the remote.

As such, the consumer power supply control device 110 cuts off or restores the power line in connection with the electronic electricity meter 120. The electronic electricity meter 120 communicates with the management server 300 of the power supplier through the wired / wireless communication network 500. In addition, the electronic electricity meter 120 may communicate with the customer power supply control device 110 or the remote control device 400 through the wireless communication method 600. To this end, the electronic electricity meter 120 is provided with a wired / wireless transmission and reception module.

The management server 300 stores and manages the ID of the electronic electricity meter 120 or the customer power supply control device 110 for each customer and the contract content with each customer. In addition, by analyzing a variety of information, such as the amount of power used, the time of use and whether or not to pay the electricity bill received from the electronic electricity meter 120 to determine the supply and interruption of electricity for each customer, power control command to the remote control device 400 or Send a power recovery command or send a predetermined set value.

The remote control device 400 transmits a command signal or a set value received from the management server 300 to the consumer power supply control device 110. Preferably the remote control device 400 is a PDA type (portable) that can be carried by the operator or a system type attached to the pole. The remote control device 400 transmits the command signal and the set value received from the management server 300 to the consumer power supply control device 110 and transmits various data received from the consumer power supply control device 110 wired and wireless communication network. Transmit to the management server 300 through 500.

The electronic watt hour meter 120 is a low voltage electronic watt hour meter that measures power consumption in homes or factories, and is more reliable and stable than a mechanical watt hour meter, and can be miniaturized by integrating circuits, and various media (telephone lines, Remote metering through dedicated line, power line, optical cable, wireless, etc. is possible.

4 is a configuration diagram illustrating an example of the electronic electricity meter 120. As shown, the electronic electricity meter 120 is largely composed of a power meter 210, an intelligent agent 220 and the communication unit 230.

The electricity amount measuring unit 210 is connected to the input / output terminal unit 210 including the input terminals 1S and 2S of the power supply terminal 201 and the output terminals 1L and 2L of the power output terminal 205, and AC power from the power line 3. (AC) Power supply circuit 215 for rectifying by converting the power supply to the DC (DC) voltage required in each electronic circuit part inside the instrument, voltage sensing unit (PT: 212) for voltage sensing, current for current sensing Sensing unit (CT: 213), analog / digital (A / D) converter 214 for converting analog measurement values to digital values, memory 216 used internally for electricity meters, and microprocessors for measuring and data input and output 217, a clock control device 218 including a clock function and a timer function, and a data communication device 219 for data communication with an external module.

In addition, the intelligent agent 220, a device protocol interface 221 having a function for converting the data exchanged between the power meter 210 and the intelligent agent 220 to be mutually recognizable, and the power meter Data communication device 222 for supporting data communication between the 210 and intelligent agent 220, a communication module controller 223 for supporting a communication module independent structure when performing data communication with the outside, micro It is composed of a processor and a memory device, and controls an electronic electricity meter equipped with an intelligent agent, and stores the data created, modified and deleted while maintaining the monitoring agent engine 224 and the data group related to the metering and supplementary services. It consists of an agent-only database 225.

In addition, the communication unit 230 includes a PSTN communication module 231 for supporting wired communication such as a conventional telephone network, a wireless communication module 232 for supporting wireless communication such as a CDMA network, and short-range communication for supporting RF. It consists of a communication module 233 and a power line communication module 234 that can send and receive data through the power line. The communication unit 230 may optionally include a necessary communication module of the above four communication schemes, if necessary, in addition to the communication module configured to be used in combination with other communication modules capable of data communication or similar functions. Can be replaced with Therefore, the electronic electricity meter 120 may transmit the metered power value through the power line 3 introduced into the customer to the management server 300 through the wired / wireless communication network 500. In addition, the amount of usage or date and time data read by the electronic watt hour meter 120 may be provided to the consumer power supply control device 110 through the communication unit 230.

Since the consumer power supply control device 110 is installed without replacing the existing electronic electricity meter 120, any kind of electronic electricity meter can be applied as long as the consumer's electricity data can be provided. Therefore, the electricity meter of the present invention is not limited to the above-described electronic electricity meter.

The consumer power supply control device 110 is a power supply circuit unit 11 for supplying DC power to each circuit, the transmission and reception unit 12 for receiving the power amount data transmitted from the electronic electricity meter 120, the central processing for processing It comprises a device 14 and a switching unit 16 for disconnecting or connecting the power line to the customer.

Therefore, when the ID and command signal of a specific electricity meter and a setting value by a contract between the customer and the power supplier are received from the management server 300, the remote control device 400 supplies the ID and command signal and the setting value to the customer power. Transmit to control device 110. Then, the consumer power supply control device 110 compares the received ID with the ID stored in the memory and generates a control signal corresponding to the command signal in the central processing unit 14 to turn the switch 21 ON or OFF. To cut off or connect the electricity to the customer. At this time, the central processing unit 14 informs the warning or information related to the power cut action through the display unit and the warning unit 17.

On the other hand, the memory 13 of the power supply control device 110 is stored a set date and time or a set amount of power received from the remote control device 400. Therefore, when the date, time or cumulative amount of power transmitted from the electronic watt-hour meter 120 coincides with the amount of time, time or power stored in the memory 13, the CPU 14 powers the switch 21 to operate. The supply will be cut off. On the other hand, when a new date, time, or power amount (or amount) is received from the remote control device 400, it is stored in the memory 13. For example, if the amount of power remains in the memory 13, the newly transmitted amount of power is added to the amount of remaining power and stored. Thus, consumers can continue to receive power. As such, the remote power supply control apparatus of the present invention may adopt a prepaid power supply system that connects the electronic electricity meter 120 and the consumer power supply control device 110 to use only a predetermined amount of power between the power supplier and the consumer. have.

5 is a block diagram showing another embodiment of the consumer power supply control device according to the present invention, as shown, the consumer power supply control device 110 of the present embodiment, the housing of the various electronic components and circuit unit built-in On one side, a first power supply terminal 23 to which the supply side of the power line 3 is connected and a first power output terminal 24 to which the consumer side of the power line 3 is connected are provided. On the other side of the consumer power supply control device housing, an input connection terminal 25 and an output connection terminal corresponding to the second power supply terminal 211 and the second power output terminal 215 formed on one side of the electronic power meter 120 are provided. 26 is installed. That is, the input connection terminal 25 of the consumer power supply control device 110 is connected to the second power supply terminal 211 of the electronic wattmeter 120 and the output connection terminal 26 of the electronic wattmeter 120 It is connected to the second power output terminal 215. Preferably, the second power supply terminal 211 and the second power output terminal 215 of the electronic electricity meter 120 are connected to the input connection terminal 25 of the consumer power supply control device 110 through a predetermined connection cable. It is connected to the output connection terminal 26.

Referring back to FIG. 5, a current amount detector 32 is installed in the supply side power line 3 connected to the power supply terminal 23. The current amount detector 32 provides a minimum living current to a specific layer of consumers without completely shutting off the power line of the customer when the power is cut off. That is, the current amount detector 32 detects the instantaneous power amount of electricity supplied to the customer and provides it to the central processing unit 14. Then, the central processing unit 14 continuously monitors the amount of current supplied to the customer, turns off the switch 21 when the overcurrent of more than the set current (minimum living current) flows, cuts off the power applied to the load side, and when a predetermined time elapses, The switch 21 is turned on again to supply electricity within the minimum living current. The action of the current amount detector 42 continues until a power recovery command is received from the management server 300.

That is, the consumer power supply control device 110 of the present invention lighting, cooking, for the home that needs to be socially protected, such as people living, people with disabilities, even if the electricity supplied to the customer due to power failure It is to protect human rights by continuously providing a current to maintain a minimum life such as heating, and to prevent a safety accident such as a fire or a verb during a cold weather.

For example, when a power failure occurs to cut off the electricity supplied to the customer, the CPU 14 analyzes the customer information stored in the memory 13 to determine whether it belongs to a group that needs to be socially protected. For example, when belonging to a layer that needs to be protected, electricity is supplied to the consumer within the range of the minimum living current through the current amount detector 32, but the electricity is cut off when the minimum living current is exceeded. At this time, the central processing unit 14 warns the customer of the power failure in advance according to the algorithm stored in the memory 13, or informs that the power failure reason has occurred by repeating the disconnection and recovery for a predetermined period.

On the other hand, the consumer power supply control device 110 is preferably installed in close proximity to the electronic electricity meter 120. That is, when the consumer power supply control device 110 is installed in close proximity to the electricity meter 120, the consumer power supply control device 110 can be installed in the distribution panel in which the electronic electricity meter 120 is installed, thereby ensuring easy installation space. The power circuit unit of the customer power supply control unit 110 may be omitted and power may be supplied from the electricity meter 120, and information about the amount of power used and the time of use may be obtained from the electronic power meter 120. The configuration of the control device 110 is simplified.

Hereinafter, a method of installing the consumer power supply control device 110 of the present invention in the low voltage power meter 120 installed in the 220V home power line 3 will be described.

In general, the low voltage power meter 120 is provided with a power supply terminal and a power output terminal. In the single phase, the power supply terminal is provided with two input terminals 1S and 2S, and the power output terminal has two output terminals 1L and 2L. ) Is provided.

This kind of low voltage power meter 120 may be divided into a unidirectional wattmeter and a bidirectional wattmeter according to the positions of the power supply terminal and the power output terminal. That is, the unidirectional wattmeter is formed of two input terminals (1S, 2S) of the power supply terminal and two output terminals (1L, 2L) of the power output terminal on one side of the wattmeter, the bidirectional wattmeter is a power supply on one side of the wattmeter Two input terminals 1S and 2S of the supply terminal are formed, and two output terminals 1L and 2L of the power output terminal are formed on the other side facing each other.

Similarly, the consumer power supply control device 110 of the present invention is also provided with a power supply terminal and a power output terminal, the unidirectional consumer power supply control device 110 has two terminals (1P, 2P) and the power output terminal of the power supply terminal. Two terminals (1M, 2M) of are installed side by side on one side, two-way consumer power supply control device, two terminals (1P, 2P) of the power supply terminal is installed on one side and two of the power output terminal The terminals 1M and 2M are provided on the other side.

Therefore, the method of connecting the consumer power supply control device 110 and the electricity meter 120, as shown in Figure 6a, the two-way consumer power supply control device 110 in front of or behind the two-way electricity meter 120 in series As shown in FIG. 6B, there is a method of installing the one-way consumer power supply control device 110 in series at the front or the rear of the one-way electricity meter 120. As such, when the consumer power supply control device 110 and the electricity meter 120 are installed in a line, the structure of the electricity meter 120 and the consumer power supply control device 110 is simplified, but the electricity meter is limited to a limited space such as a distribution panel. In order to install the 120 and the customer power supply control device 110 in a line, the power line has to be bent, so the wiring is complicated.

On the other hand, Figure 6c shows an example of installing the consumer power supply control device 110 and the electricity meter 120 in parallel in accordance with the present invention. As shown in the drawing, the consumer power supply control device 110 connects two input terminals 1S and 2S of the power supply terminal of the electricity meter 120 and two output terminals 1L and 2L of the power output terminal. The connection terminal for the separate is provided. As such, the method of arranging the consumer power supply control device 110 and the electricity meter 120 in parallel has a disadvantage in that the consumer power supply control device 110 should be provided with a connection terminal. There is an advantage in that the supply control device 110 and the electricity meter 120 can be directly removable.

FIG. 7A is a block diagram showing a customer power supply control device 110 installed on one side of the unidirectional watt hour meter 120. As shown, input terminals 1P and 2P of the first power input terminal and output terminals 1M and 2M of the second power output terminal are formed on one side of the consumer power supply control device 110. A power input side is connected to the first power input terminals 1P and 2P, and a power output side is connected to the first power output terminals 1M and 2M. In addition, the input connection terminals 1PS and 2PS and the output connection terminals 1LM and 2LM are formed on the surface facing the electricity meter 120. Accordingly, the second power input terminals 1S and 2S and the second power output terminals 1L and 2L of the electricity meter 120 are connected to the input connection terminals 1PS and 2PS and the output connection terminals of the consumer power supply control device 110. ((1LM, 2LM)) respectively. At this time, the second power input terminals 1S and 2S, the input connection terminals 1PS and 2PS, and the second power output terminals 1L and 2L and the output connection terminals 1LM and 2LM have a jack-plug structure. Can connect

 That is, as shown in the explanatory diagram of FIG. 7B, the present invention is made by detachably coupling the customer power supply control device 110 to one side of the electronic wattmeter 120. For example, three connection terminals of the input connection terminal of the consumer power supply control device 110 and three connection terminals of the output connection terminal have a plug structure, and three of the first power supply terminal of the electronic watt hour meter 120 are plugged. When the three output terminals of the input terminal and the first power output terminal have a jack structure, the consumer power supply control device 110 can be easily installed on one side of the electricity meter 120.

8 is a block diagram showing another embodiment of the consumer power supply control device 310 of the present invention. As shown, the consumer power supply control device 310 of the present embodiment, the transmission and reception unit 12 for receiving the information of the electricity meter 120 or the operator's information and the data recognized by the transmission and reception unit 12 A central processing unit 14 that is responsible for analyzing, setting control values, controlling commands, analyzing the amount of current used, conducting determination, and operating algorithms, a clock control circuit 18 functioning for time delay and time calculation, and A memory 13 for storing control settings and state data, a current amount detecting device 32 for minimizing damage to customers due to power interruption by supplying a minimum living current to a blocked customer by detecting an instantaneous power amount, and an operator Analyzing the state of the power line of the customer to prevent the power supply and the switching unit 16 to cut off the power supply by the control command of the central processing unit 14 when the minimum current set by the setting of It is configured, including: (Time Domain Reflectometer TDR) (38) a TDR.

The TDR 38 monitors for new branch points on the consumer power line. For example, if the electricity supply is cut off due to a power cut action, the consumer may secretly use electricity by connecting a separate wire in front of the power line where the consumer power supply control device is installed. The TDR 38 may determine whether or not the customer is challenged by determining whether a new branch point is generated by measuring and analyzing the shape and time of the reflected signal after transmitting a predetermined signal to the customer power line.

9 and 10, the TDR 38 detects a reflection signal (reflected F1 to Fn) that returns a predetermined transmission signal (F1 to Fn) and reflects back from a branch point. By analyzing the time it takes to reflect, it is possible to analyze whether the branch point is generated and the branch point position. That is, the signal transmitted from the TDR 38 proceeds at the speed of light in the conductor, and when the branch point is reached, the impedance becomes very large and some or all of the transmitted signal is reflected. Determine if you have formed a fork in the

In addition, as shown in FIG. 8, the consumer power supply control device 310 is communicatively coupled to the supply current meter 280 in a wired or wireless manner. The supply current meter 280 is installed on a pole to which a plurality of consumer power lines are wired. The supply current meter 280 may measure the total amount of current supplied from the electric pole (transformer) in real time. In addition, the supply current meter 280 may be connected to the power meter or the customer power supply control device 310 of each customer wired in the electric pole and wired or wireless communication means to collect the current amount data supplied to each customer. Therefore, the supply current measuring instrument 280 may monitor the customer's conductivity by comparing the total supply current amount with the sum of the current amounts of each customer transmitted from the customer power supply control device 310.

Referring to FIG. 11, the supply current meter 280 is installed on a pole in which a power line of a customer is wired. For example, a transformer for lowering the voltage supplied to the customer is installed in the pole, and the supply current meter 280 may measure the amount of current supplied from the transformer. In addition, the supply current meter 280 is connected to the consumer power supply control device 310 or the electricity meter 120 connected to the power line of each consumer in a wireless or wired manner to supply and supply the real-time current amount used in each electricity meter 120. When the sum of the real-time power consumption of each wattmeter 120 is similar to the current of the supply current meter 280 by comparing the amount of power measured by the current meter 280, it is a normal state. .

Hereinafter will be described the operation of the central processing unit of the consumer power supply control device according to the present invention. 12 is a process flow diagram of the central processing unit 14 of the consumer power supply control device.

As shown, the input power supply means that the power supplied from the outside is applied to the consumer power supply control device. Power is supplied through a power circuit unit that converts AC into rectification. Initial booting means the system is ready for normal operation to control the power supply. The power supply refers to a state of supplying power to a customer through a power grid. Data analysis is a task of collecting and analyzing set values such as date and time or amount of power for power supply control in association with memory. That is, a power off procedure occurs if there is a contracted period of use, a contracted amount of power, or some other reason (above the limit).

The power cutoff procedure first sets a predetermined delay time, and during this period, the power cutoff is sufficiently warned or audibly to the consumer, and when the delay time passes, the switching unit is controlled to temporarily shut off the output power. At this time, if the customer is analyzed by analyzing the information of the consumer, the power is supplied again, and the instantaneous current supplied to the consumer is measured, and it is determined whether the current exceeds the minimum living current. The power off procedure is performed according to a predetermined algorithm.

On the other hand, the processing procedure refers to a function of storing the information or the set value of the power supplier received from the transceiver unit into data in the central processing unit. In addition, the process storage stores the history of the existing control operation criteria and the history information and the final information of the operation of the customer. The data change refers to an information updater that reads the information stored in the processing procedure and compares it with the existing information, and changes it if it is not final information to control the power supply of the consumer by the final data.

And the analysis of the period of use is to analyze the total power supply time when the customer is required to supply power based on time, to automatically cut off the power after the set schedule or to supply the power according to the required schedule. The analysis of the amount of power used is to collect the information through the communication with the electricity meter when the customer demands the electricity supply based on the amount of electricity, or to supply the power when the electricity is being used within the set value for the electricity through the electricity meter. It is a system that automatically cuts off the power supply when the power supply exceeds the set value.

Power supply cutoff means a method to cut off the power supply when there is no separate standard in supplying power, but when several power supply should not be supplied, and the power supply is restored by the occurrence of a valid reason for the power supply. The time delay is a time delay for notifying the customer through an alarm in advance of the power cut, rather than being cut off immediately in the power cut off. The blocking algorithm is to supply minimum living current to the customer, but if the current exceeds the set amount, it will shut off after warning. For example, a function of repeating interruption and restoration for a predetermined time or restoring power supply at a predetermined time. Power recovery refers to supplying power again when the reason for the power cut is changed to the power supply reason by contract or agreement between the power supply and the receiver.

1 is a block diagram showing an example of a power supply remote control system using a consumer power supply control apparatus according to the present invention,

2 is a schematic block diagram showing a consumer power supply control apparatus according to the present invention;

3 is a block diagram showing another embodiment of a power supply remote control system including a consumer power supply control apparatus of the present invention;

4 is a block diagram showing an example of an electronic wattmeter applied to the present invention;

5 is a block diagram showing another embodiment of a consumer power supply control apparatus according to the present invention;

6A, 6B, and 6C are schematic diagrams illustrating a wiring method of a consumer power supply control device and an electronic electricity meter;

7a and 7b is a block diagram showing a consumer power supply control device according to the present invention connected to an electronic electricity meter;

8 is a block diagram showing another embodiment of a consumer power supply control apparatus according to the present invention;

9 and 10 are graphs and process flow diagrams illustrating the principle of TDR;

11 is a block diagram showing the configuration of a supply current measuring instrument applied to the present invention,

12 is a flow chart of the central processing unit of the consumer power supply control apparatus according to the present invention.

**** Description of the symbols for the main parts of the drawings ***

10, 110, 310: consumer power supply control device 11: power circuit

12: transceiver 14: central processing unit

16 switch unit 17 display unit and warning unit

18: clock control circuit 19: switch control circuit

21: switch 23: power supply

24: power output unit 38: TDR

120: electronic power meter 280: supply current meter

300: management server 400: remote control device

Claims (8)

A customer power supply control device installed on the power line of the customer so as to cut off or restore electricity supplied to the customer; a management server of the power supplier that collects and analyzes various types of information about the customer and transmits and receives command signals or control values; A remote power supply control device comprising a remote control device for receiving a command signal from a power supply management server and remotely controlling a customer power supply control device installed on a power line of a customer. The consumer power supply control device, and receiving and receiving information from the management server and the remote control device and a transmission and reception unit for transmitting and receiving a result; A memory for storing command signals, control values or status data of the management server; A switching unit which cuts off or restores a power line of a customer according to a time or electricity usage set by a command signal or a control value of the management server and a remote control device; A current amount detection device for detecting an instantaneous amount of power to supply a minimum living current to the disconnected consumer; A central processing unit for analyzing the command signal or the control value inputted through the transceiver and controlling the switching unit according to the result, and controlling the switching unit according to the amount of current detected by the current amount detecting device and the algorithm stored in the memory; ; Remote power supply control device comprising a display unit and a warning unit for displaying an alarm for the power cut action to the consumer. The method of claim 1, The consumer power supply control device is a power supply circuit unit for rectifying and converting AC power supplied from the power source to a direct current (DC) and a conduction detection device (TDR) for analyzing the power line state of the customer to check whether the customer is conductive. It further comprises, wherein the central processing unit is a remote power supply control device, characterized in that for transmitting the information about the challenge of the customer detected through the conduction detection device to the management server. The method of claim 1, The central processing unit of the consumer power supply control device includes a clock control circuit for calculating a period of time and supplies electricity supplied to the consumer compared to the set period received from the management server and the remote control device of the power supplier and stored in the memory. Remote power supply control device characterized in that automatically cut off when the set period. The method according to claim 1 or 3, The central processing unit of the consumer power supply control device compares the set power amount received from the management server and the remote control device of the power supply and stored in the memory with the continuously used power amount received from the electronic electricity meter installed in the power line of the customer. When the amount of power used reaches the set power level, the display unit and the warning unit warn the customer of the power cut action, and if the newly set power amount is not received from the management server and the remote control device within a predetermined time after the warning, the electricity supplied to the customer is automatically supplied. Remote power supply control device characterized in that the cut off. The method of claim 4, wherein The electronic electricity meter is installed on the power line of the customer so as to be adjacent to the customer power supply control device, the supply side of the power line is passed through the customer power supply control device to the electronic power meter and the output side of the power line is the customer power supply control Remote power supply control device characterized in that the output through the device to the consumer side. The method of claim 5, The consumer power supply control device includes a plurality of first power supply terminals and first power output terminals, and the electronic power meter includes a plurality of second power supply terminals and second power output terminals, wherein the customer power supply control is performed. The apparatus may further include a plurality of input connection terminals connecting the first power supply terminal and the second power supply terminal, and a plurality of output connection terminals connecting the first power output terminal and the second power output terminal. Remote power supply control device characterized in that. The method of claim 6, And the input connection terminal and the output connection terminal have a jack and a plug structure to detachably connect the second power supply terminal and the second power output terminal of the electronic watt-hour meter. The method according to claim 1 or 2, In the electric poles where the power lines of multiple customers are connected, a supply current meter is installed to measure the amount of current supplied to all the consumers, and the consumer power supply control device installed in each customer measures the amount of current supplied to each customer to perform wired or wireless communication. And a supply current measuring device, wherein the supply current measuring device compares the amount of current supplied to all customers with the amount of current supplied to each customer to monitor whether the customer is electrically conductive.

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