KR20070110955A - Apparatus for sealing valve by remote conrol and preventing ubiquitous sensor network system using that - Google Patents

Abstract

An apparatus for sealing a valve by remote control and a ubiquitous sensor network prevention system using the same are provided to seal the valve by stopping water/gas supply by remote control when water/gas charges are not paid by a user. A valve sealing apparatus includes a sealing operation unit(2) controlling opening/closing of a valve. The sealing operation unit comprises a power interruption recognizing unit and a valve opening/closing unit. The power interruption recognizing unit determines compulsory interruption of power supply or stop of power supply due to an outage. The valve opening/closing unit seals the valve by at least one of the compulsory interruption of the power interruption recognizing unit or a remote sealing control.

Description

Remote control valve sealing device and control system using same {APPARATUS FOR SEALING VALVE BY REMOTE CONROL AND PREVENTING UBIQUITOUS SENSOR NETWORK SYSTEM USING THAT}

1 and 2 is a conceptual diagram of a remote control valve sealing apparatus according to an embodiment of the present invention,

3 is a block diagram illustrating the sealing operation of FIGS. 1 and 2;

4 is a block diagram illustrating the sealing remote control of FIGS. 1 and 2;

5 is a wireless packet format diagram according to an embodiment of the present invention;

6 is a configuration of a control system using a remote control valve sealing device,

7A and 7B are diagrams illustrating the connection of a power cable and a power cut recognition unit for recognizing a power interruption according to an embodiment of the present invention.

The present invention relates to an improvement of a valve sealing device and a control system using the same to stop the supply of raw materials through the opening and closing of the valve when the gas or water user is not paid.

If the user pays the user's fee for the fuel supplied to the house through the supply pipe such as gas or water for a long period of time, the officials of the relevant department will enter the house with the consent of the delinquency and seal the valve installed at the inlet of the meter. The method was used.

When sealing the valve manually, there is a simple method of attaching a label printed on the seal seal, but this method has no effect when the user removes and reuses the valve.

As an example to solve this problem, there is a practical registration No. 20-035931 "seal device for ball valves". Practical registration No. 20-035931 sealing device for ball valves allows the opening and closing handles of the ball valves installed in the inlet of the meter to be unfolded and folded so that users can open the ball valves arbitrarily when the opening and closing handles are folded and sealed. It can't be done.

However, the sealing device for a ball valve as in the above example is a possible way only when the staff of the control station can enter the premises installed meter, there is a problem that can not seal the valve if you do not enter the premises. In particular, when the valve can not be sealed due to deliberate access control and long-term outing, it is very difficult to manage the delinquent.

On the other hand, a system using a telephone or the Internet to control the opening and closing of valves installed in each premises is being implemented, but in reality, it is not commercialized since it costs facility costs of tens of millions of won per household.

Accordingly, it is an object of the present invention to provide an improved valve sealing device which is able to stop the supply of raw materials through the opening and closing of the valve when the user fee is not paid by the gas or water user, and the installation cost is low.

Another object of the present invention is to provide a control system using an improved valve sealing device to stop the supply of raw materials through the valve opening and closing control when the gas or water user is not paid.

According to the above object, the present invention provides a valve sealing device for sealing the supply of raw material through the opening and closing of the valve installed in the indoor meter inlet pipe: the opening and closing operation of the valve based on a wireless control signal from outside the home It has a sealing operation to control; The sealing operation portion;

At least one of a power cut-off recognition unit for determining whether the user's forced power is cut off or the power supply is stopped due to a power failure, and the valve remote sealing control by the forced power cut-off at the power cut recognition unit and the wireless signal from outside the home It characterized in that it comprises a valve opening and closing device for sealing the valve based on.

In another aspect, the present invention, in the valve sealing device for sealing the supply of raw material through the opening and closing of the valve installed in the indoor meter inlet pipe, the valve is provided, the opening and closing operation of the valve on the basis of a wireless control signal from outside the home It consists of a sealing operation unit for wirelessly transmitting the sealing operation result and a portable terminal type, and maps the ID corresponding to the indoor user information to the memory, through the corresponding ID according to the input of the user's indoor user information and the sealing input command. Remotely control the sealing of the sealing operation unit and characterized in that it consists of a sealing remote controller for displaying the result information of the sealing operation unit to the administrator.

In addition, the present invention is a valve sealing device for sealing the raw material supply through the opening and closing of the valve installed in the meter meter inlet pipe, it is provided in each valve in the house, based on the radio control signal from outside the house Sealing operation unit which controls the opening and closing operation and wirelessly transmits the sealing operation result, and remotely seals the corresponding sealing operation unit through ID according to input of user information and sealing related command by mapping ID corresponding to the user information in the home to the memory. It is characterized in that it is configured as a centralized controller to wirelessly control and manage the result information of each sealing operation unit.

In addition, the present invention, in the control system using the valve sealing device for sealing the raw material supply through the opening and closing of the valve installed in the meter meter inlet pipe, installed in the house and corresponding to the wireless communication method using the POCSAG code and ISM band It is installed in the control sensing unit for wirelessly transmitting the control response sensing signal and each valve in the house, and controls the opening and closing operation of the valve based on the wireless control signal from the outside of the house and the corresponding control response sensing signal from the control sensing unit. Sealing operation unit which wirelessly transmits the operation result, ID corresponding to the indoor user information to the memory, and remotely wirelessly controls the sealing of the corresponding sealing operation unit through the ID according to input of user information and sealing related commands. Characterized in that it consists of a centralized controller for managing the result information of the operating unit.

Hereinafter, exemplary embodiments of the present invention will be described in detail with reference to the accompanying drawings. It should be noted that the same elements in the figures are represented by the same numerals wherever possible. In addition, detailed descriptions of well-known functions and configurations that may unnecessarily obscure the subject matter of the present invention will be omitted.

In an embodiment of the present invention, by remotely controlling the radio at the outside of the entrance without entering or leaving the delinquent of the delinquent, such as gas or water usage fee, it is possible to effectively manage the delinquent by sealing the valve installed in the inlet pipe of the meter.

1 and 2 is a conceptual diagram of a remote control valve sealing apparatus according to an embodiment of the present invention.

Remote control valve sealing device 100 according to an embodiment of the present invention, as shown in Figure 1, the sealing actuator (2) for controlling the operation of the valve 6 installed in the inlet pipe 5 of the meter (4) And a seal remote controller 8 configured in the form of a mobile terminal to remotely control the seal.

In addition, the remote control valve sealing apparatus 100 according to an embodiment of the present invention, as shown in Figure 2, the sealing operation unit for operating control of the valve (6) installed in the inlet pipe 5 of the meter (4) ( 2) and a plurality of seal operation units 2 installed in the home, respectively, can be configured as a centralized controller 10 for remote wireless control in a centralized manner. In addition, the centralized controller 10 and the seal remote controller 8 of FIG. 1 may be used together to implement the seal operation part 2 to be wirelessly controlled.

Seal remote controller 8 of Figure 1 is preferably implemented by a mobile communication terminal, such as a PDA or a mobile phone, or a dedicated mobile terminal such as a remote starter, so that a manager, such as a management station staff, can carry it. In addition, the remote control valve sealing apparatus 100 of FIG. 2 may be suitably applied to a multi-family house such as an apartment complex.

Communication between the seal remote controller 8 and the seal actuator 2 or the centralized controller 10 and the seal actuator 2 shown in FIGS. 1 and 2 is performed using frequency-shift keying (FSK) or ASK ( It is achieved by wireless communication using frequency shifting method such as Amplitude Shift Keying (ISM) and Industrial Scientific Medical (ISM) band.

The wireless communication method is performed based on a wireless transmission standard (POCSAG signal) having an internal 32-bit protocol in a POCSAG (Post Office Code Standardization Advisory Group) code format.

The POCSAG code format consists of one or more batches containing a preamble and a code word, each batch consisting of a sync code SC and eight 64-bit frames. Each frame is composed of an address codeword of 32 bits and a message codeword of 32 bits.

The POCSAG code allows for page transfer in a single batch structure in a synchronous paging format, resulting in superior battery savings and large codeword capacity.

In the embodiment of the present invention, using the POCSAG code, tens of millions of IDs can be assigned to a single frequency (channel frequency of the ISM band), and the corresponding sealing operation unit 2 serving as a receiving device corresponds to its own ID. Only data is received and the command is executed.

Therefore, each unique ID is assigned to the seal operating unit 2 according to the embodiment of the present invention, and all IDs assigned to the seal operating unit 2 are respectively assigned to the seal remote controller 8 and the centralized controller 10. It stores information about.

In addition, the embodiment of the present invention implements to enable bidirectional communication between the seal operating unit 2 and the seal remote controller 8, and between the seal operating unit 2 and the centralized control unit 10. That is, two channels (transmission channel and reception channel) are secured in the radio frequency band to enable transmission and reception.

As shown in Fig. 5, the sealing remote controller 8 and the centralized controller 10 assign an ID to the address bit field (18 bits) of the address code word indicated by the reference number " 60 " in a predetermined frame of the POCSAG code. The data is stored in the message bit field (18 bits) of the message codeword indicated by the reference numeral "70" in the frame, and the frame is transmitted by constructing a frame.

In Fig. 5, " S " is a display bit indicating whether its codeword is an address codeword (S = '0') or a message codeword (S = '1'), and " FB " "P" is a parity check bit.

When the seal operation unit 2 receives a command for its own ID, the seal operating unit 2 executes a command of the valve seal drive and responds to the seal remote controller 8 or the centralized controller 10 as a confirmation signal. . The transmission and reception of the signal is preferably implemented so that it is transmitted twice and received twice for accurate transmission.

FIG. 3 is a block diagram of the sealing operation part 2 of FIG. 1 and FIG. 2, and it consists largely of the power cut off recognition part 24 and the valve opening-closing apparatus part.

The power cut recognition unit 24 determines whether the user's forced power is cut off or the power supply is stopped due to a power failure. The valve opening and closing unit includes a main control unit 20, a wireless transmission and reception unit 22, the main power supply unit 26, the auxiliary power supply unit 28, the motor driving unit 30, the motor and the gear unit 32, the power cut off The valve 6 is sealed off based on the forced power shut-off recognition in the recognition unit 24 or the valve remote sealing control by a radio signal from outside the home.

Referring to Figure 3 in more detail the configuration of the sealing operation unit 2 as follows.

The main control unit 20 performs overall control for the sealing operation in the sealing operation unit 2.

The radio transceiver 22 performs transmission and reception of radio data in the ISM band by the FSK and ASK schemes under the control of the main controller 20. The wireless transmission / reception unit 22 mainly transmits and receives a command for confirming the opening and closing command of the valve 6 installed in the inlet pipe 5 of the meter 4 and the result thereof.

The power cut recognition unit 24 determines whether the user's forced power is cut off or the power supply is interrupted due to a power failure such as cutting the power line, and transmits the result to the main controller 20. The main control unit 20 controls the motor driving unit 30 to lock the valve 6 when the result of the power stage recognition unit 24 is a physical power cut by the user.

In the embodiment of the present invention, the power cutoff recognition unit 24 includes a power cable 25 to recognize only a physical forced power cutoff from the outside.

In other words, the power cable 25 according to the embodiment of the present invention further includes a shielding recognition line 25b together with a (+) (-) power line 25a to form a cover. The cut-off recognition line 25b coated on the power cable 25 is connected to the power cut recognition unit 24 so that the power cut recognition unit 24 may recognize the power rigid body cut off.

7A and 7B illustrate connection diagrams of a power cable 25 and a power cut recognition unit 24 for recognizing a power interruption according to an exemplary embodiment of the present invention.

Referring to FIG. 7A, the power cable 25 includes two strands of the shielding recognition line 25b together with two strands of the (+) (-) power line 25a so as to cover a total of four strands. The cutoff recognition line 25b is located in the power cutoff recognition unit 24, one end of which is connected to the other end of the pull-up resistor Rf to which the operating voltage Vcc is applied, and a loop is formed along the entire length of the power cable 25. The other end is connected to the ground terminal located at (24). The power cut recognition unit 24 may determine whether the power is cut by the pull-up state through the pull-up resistor Rf.

Since the blocking recognition line 25b shown in FIG. 7B also comprises two strands in a loop form over the entire length of the power cable 25, the power cable 25 is covered with a total of four strands. The cutoff recognition line 25b is connected to the signal terminal of the power cutoff recognition unit 24, looped along the entire length of the power cable 25 through the diode D, and connected to the other signal end of the power cut recognition unit 24. To be configured. The power cut recognition unit 24 may determine whether the power is cut by periodically transmitting a pulsed signal through the signal terminal and confirming a feedback signal.

By the configuration of the power cable 25 and the power cut recognition unit 24 as shown in FIGS. 7A and 7B, when the user physically cuts the power cable 25, the power is cut through the cut cut line 25b. The block recognition unit 24 may recognize this. However, when power is not supplied due to a power failure, since the interruption recognition line 25b does not change at all, the power cut recognition unit 24 does not send any signal to the main control unit 20.

7A and 7B is an embodiment of the present invention, it will be apparent to those of ordinary skill in the art that power interruption can be recognized by other modifications or changes.

Referring back to FIG. 3, the main power supply unit 26 converts DC and voltage down-converts the commercial AC power into the main power supply, and supplies the internal operating voltage Vcc (eg, 5 V) to each circuit unit, and supplies the battery of the auxiliary power supply unit 28. To charge.

The auxiliary power supply 28 is implemented as a battery which is a secondary battery to supply power so that it can be driven for a predetermined time even in case of power failure or external physical power supply, and is charged through the charge / discharge control circuit of the main power supply 26. This is done and charging is automatically terminated when fully charged. The battery of the auxiliary power source 28 is preferably implemented to be driven for several ten days, for example, about 240 hours (10 days) when the main power is cut off.

The motor driving unit 30 drives the motor and the motor of the gear unit 32 based on the motor driving control of the main control unit 20. The motor and the gear unit 32 are composed of gears composed of a small DC motor and a gear ratio to obtain a large reduction ratio, and in accordance with a driving command of the motor driving unit 30, a large torque is obtained with a large reduction ratio of the small DC motor. (6) It is configured to open and close. The valve 6 is installed in the inlet pipe 5 of the meter 4, and performs the valve locking and opening based on the forward and reverse driving of the motor.

FIG. 4 is a block diagram of the sealed remote controller 8 of FIGS. 1 and 2. The remote control unit 40, the wireless transmission / reception unit 42, the battery unit 44, the memory unit 46, and the key input unit 48 are shown in FIG. ) And the display unit 50. In the memory unit 46 according to an exemplary embodiment of the present invention, IDs of the sealing operation units 2 and premises user information corresponding thereto, such as addresses, apartment house numbers, and the like, are mapped and stored in a table form.

Therefore, when the administrator who uses the sealed remote controller 8 inputs home user information corresponding to a unique ID through the key input unit 46, the remote controller 40 of the sealed remote controller 8 enters the memory 46. The mapped ID is found, and then the remote sealing command of the administrator can be wirelessly transmitted to the sealing operation unit 2 of the home together with the ID.

When the sealing operation unit 2 wirelessly transmits the response result information after the sealing operation, the sealing remote controller 8 displays the result to the manager through the display unit 50 and the buzzer.

Meanwhile, in the embodiment of the present invention, the management of the sealing operation unit 2 may be performed through the centralized control unit 10, as shown in FIG.

The centralized control unit 10 maps IDs corresponding to all premises user information installed in a unit complex such as an apartment to a memory, so that the corresponding sealing operation unit 2 can be connected to the resident user information and the seal related command input. Remotely control the seal, and manages the resulting information of the respective seal operation (2).

6 is a block diagram of the control system 200 using the remote control valve sealing device 100, and the remote control valve sealing device 100 is interlocked with various sensors 50a, 50b, 50c. It detects gas leaks, fires and earthquakes and automatically shuts off the gas to prevent accidents. The centralized control unit 10 also manages it and implements the function of overdue management seal. will be.

Hereinafter, an operation according to an exemplary embodiment of the present invention will be described in detail with reference to the accompanying drawings.

As shown in FIG. 1, the sealing operation part 6 may be mounted on the valve 6 installed in the inlet pipe 5 of the meter 4 in various ways. It is advisable to contract immediately after supply contract.

In this way, if a delinquency of gas or water usage fee occurs in the household equipped with the sealing operation unit 2, the detention center or city gas company is notified to the user of the house and the final notice later. When disconnected from the user, the manager visits and tries to make contact, but if it is not resolved, the gas supply or water supply is decided to stop.

Loss of contact with home users or failure of contact can be caused by intentional interruption or long-term absence due to overseas business trip. Increasing charges in the absence of long-term evidence of gas leakage. If gas is filled in the house due to gas leakage, there is a risk of explosion when the user returns to the house and ignites the gas range.

When the gas supply or water supply stop decision is made, the manager can command the sealing of the valve 6 through the sealing remote controller 8 shown in FIG. 1 or the centralized controller 10 of FIG.

For example, when the administrator inputs home user information such as address, apartment house number, etc. through the key input unit 48, the remote controller 40 of the sealed remote controller 8 or the centralized controller 10 corresponds to the user information. The ID is read from the memory unit 46 and loaded into the address bit field 60 of the address code word of the POSAC code frame, and the data corresponding to the seal instruction is loaded into the message bit field 70 of the message code word to form a frame. Radio transmission is performed through the transceiver unit 42.

The sealing operation part 2 installed in the valve 6 always maintains a reception standby state. When receiving a sealing command according to its unique ID in the reception standby state, the sealing operation part 2 drives the valve 6, and as a result, Resend the response to the sealed remote controller 8 or the centralized controller 10.

The seal remote controller 8 or the centralized controller 10 wirelessly transmits the response result information, and the seal remote controller 8 displays the result to the manager through the display unit 50 and the buzzer. Accordingly, the administrator can check and manage the sealing.

As described above, the present invention enables effective management of the overdue by sealing the valve 6 installed in the inlet pipe 5 of the meter 4 by remote wireless control from the outside of the entrance without access to the home.

In addition, in the present invention, the control system 200 can be implemented using the remote control valve sealing device 100 as shown in FIG.

Install various sensors 50a, 50b, 50c in the house to detect gas leakage, fire, and earthquake, and various sensors 50a, 50b, 50c are applicable to the wireless communication method using POCSAG code and ISM band. A control sensing unit for wirelessly transmitting the control response sensing signal to the sealing operation unit 2 provided in the valve 6 is configured.

Then, the sealing operation unit 2 controls the opening / closing operation of the valve 6 based on a wireless control signal from the outside of the home or the corresponding control response sensing signals from various sensors 50a, 50b, 50c of the control sensing unit. The sealing operation result is wirelessly transmitted to the centralized controller 10.

Accordingly, the centralized control unit 10 may manage the result information due to the control of each sealing operation unit (2). In addition, the centralized controller 10 maps the ID corresponding to the home user information to the memory to remotely control the sealing of the corresponding sealing operation unit 2 through the ID according to the home user information input and the seal-related command input. Of course.

When implementing the control system 200 as described above, by interlocking with various sensors 50a, 50b, 50c can detect gas leakage, fire, earthquake and automatically shut off the gas to prevent accidents, and It will also function as a delinquency management seal.

In the above description of the present invention, specific embodiments have been described, but various modifications may be made without departing from the scope of the present invention. Therefore, the scope of the present invention should not be defined by the described embodiments, but should be determined by the equivalent of claims and claims.

As described above, the present invention can seal the valve by stopping the supply of raw materials by remote wireless control through the valve opening and closing control when the user fee is not paid by the gas or water user, and can be implemented to be installed at a practically low cost. There is an advantage that can be implemented by using the control system.

Claims (7)

In the valve sealing device for sealing the raw material supply through the opening and closing of the valve installed in the indoor meter inlet pipe: A sealing operation part for controlling the opening and closing operation of the valve based on a wireless control signal from outside the home; The sealing operation portion; A power cut recognition unit for determining whether the power is cut off by the user in the house or the power supply is cut off due to a power failure; And a valve opening and closing device for sealing and closing the valve based on at least one of forced power shut-off at the power cut-off recognizing unit and control of remote sealing of the valve by a wireless signal from outside the home. Device. The method of claim 1, wherein the power cable for supplying power to the seal operation unit is coated with a cut-off recognition line for recognizing the power cut off, the power cut recognition unit to cut off the power forced through the cut-off recognition wire when cutting the power cable. Remote control valve sealing device characterized in that the recognition. The remote control valve of claim 1, wherein the sealing operation unit wirelessly communicates with the outside of the home by using a frequency shifting method using a Post Office Code Standardization Advisory Group (POCSAG) code and an Industrial Scientific Medical (ISM) band. Sealing device. In the valve sealing device for sealing and blocking the raw material supply through the opening and closing of the valve installed in the indoor meter inlet pipe, A sealing operation unit installed in the valve and controlling the opening / closing operation of the valve based on a wireless control signal from outside the home, and wirelessly transmitting the sealing operation result; It consists of a portable terminal and maps the ID corresponding to the home user information to the memory and remotely wirelessly controls the sealing of the corresponding sealing operation unit through the ID according to the input of the user's home user information and the sealing related command. Remote control valve sealing device characterized in that it consists of a sealing remote controller for displaying the result information to the administrator. In the valve sealing device for sealing and blocking the raw material supply through the opening and closing of the valve installed in the indoor meter inlet pipe, It is installed in each valve in the premises, the sealing operation part for controlling the opening and closing operation of the valve based on the radio control signal from outside the premises and wirelessly transmitting the sealing operation result; Centralized controller that maps ID corresponding to home user information to memory to remotely control the sealing of the corresponding sealing operation unit through ID according to input of user information and sealing related commands, and manages the result information of each sealing operation unit. Control system using a remote control valve sealing device, characterized in that consisting of. According to claim 4 or 5, The sealing operation portion, A power cut recognition unit for determining whether the power is cut off by the user or the power supply is cut off due to a power failure; And a valve opening and closing unit for closing and sealing the valve based on at least one of forced power shut-off at the power cut-off recognition unit and control of remote sealing of the valve by a wireless signal from outside the home. In the control system using the valve sealing device for sealing the raw material supply through the opening and closing of the valve installed in the meter meter inlet pipe, It is installed in the house and the control sensing unit for wireless transmission of the corresponding response sensing signal by wireless communication method using POCSAG code and ISM band, It is installed in each valve of the premises, the sealing operation unit for controlling the opening and closing operation of the valve based on the radio control signal from the outside of the premises and the control response sensing signal from the control sensing unit and wirelessly transmits the sealing operation result; Centralized controller that maps ID corresponding to home user information to memory to remotely control the sealing of the corresponding sealing operation unit through ID according to input of user information and sealing related commands, and manages the result information of each sealing operation unit. Control system using a valve sealing device, characterized in that consisting of.

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