JPH0543300U - Mechanical security device - Google Patents

Abstract

(57) [Summary] [Purpose] When an abnormality occurs in the general subscriber telephone line connecting the mechanical security device and the monitoring center, notify the user immediately. [Structure] A line error is displayed from the start of security until the transmission of a security start signal, and a line error occurs when the connection confirmation signal from the monitoring center cannot be received in response to a call from the machine security device. Is displayed. [Effect] The user can immediately take countermeasures against the line abnormality, prevent the unguarded state, and allow the user to confirm the start of security.

Description

[Detailed description of the device]

[0001]

[Industrial applications]

 The present invention relates to a mechanical security device in which various security detectors are installed in an office or a store, and information such as security start / release signals and alarms is transmitted to a remote monitoring center through a general subscriber telephone line with an automatic dial function. In particular, the present invention relates to a mechanical security device having a function of notifying the user that the general subscriber telephone line is not available when the line is unavailable.

[0002]

[Prior Art]

 In general, mechanical security services are known in which various detectors for detecting abnormalities such as intruders and fires are installed in offices and stores, and these abnormalities are monitored at a remote monitoring center. The mechanical security device used for this mechanical security service uses a general subscriber telephone line or a dedicated line as a means of transmitting security start / release signals and alarm signals. In particular, the mechanical security device using a general subscriber telephone line can use the telephone line installed in the office as it is, so the installation work cost can be reduced for the introduction of the mechanical security system, and the number of lead-in lines at the monitoring center can be reduced. It is widely used as it has the advantage of reducing the capital investment of security operators because it requires less.

As described above, the mechanical security device using the general subscriber telephone line has an automatic dial function, and when transmitting a security start / release signal or an alarm signal, the telephone number of the remote monitoring center is automatically set. When the telephone line is connected by dialing, the above signal is sent to the monitoring center. At this time, the machine security device sends a connection confirmation signal from the monitoring center side to determine the connection of the line with the monitoring center, and the machine security device receives the connection confirmation signal to confirm the line connection. ing. In the actual machine security service, the machine security is started and released by a security switch operated by the contractor of the security destination, and the automatic dial function is also activated accordingly.

For example, when the last person leaving the office operates the security switch to start security, the mechanical security device issues a preset remote telephone number of the remote monitoring center by an automatic dial function. To call. In response to this, when the line is connected by the operation of the automatic receiving device of the monitoring center, a connection confirmation signal is returned from the monitoring center to the machine security device side. Upon receiving this connection confirmation signal, the mechanical security device sends its own identification signal and security start signal to the monitoring center, and when the transmission is complete, opens the line and waits in security mode.

When the various detectors provided in the security target area detect an abnormality after the start of security, the mechanical security device activates the automatic dialing function and calls the monitoring center again as at the start of security, and the line is connected. After the connection confirmation signal is transmitted and received, the mechanical security device transmits an alarm signal indicating various abnormalities and its own identification signal to the monitoring center. Upon receiving this warning signal and identification signal, the monitoring center displays the property name and the type of abnormal alarm on the display device of the monitoring center to take measures such as urging security personnel to notify the fire department and police. .. Also, when the security is released, the automatic dial function is activated and the release signal and the identification signal are transmitted to the monitoring center, as in the case of starting the security.

[0006]

[Problems to be solved by the device]

 As described above, the conventional mechanical security device using the general subscriber telephone line calls a remote monitoring center for a certain period of time until the call is actually made, and once the line is not connected, the line is released once. The automatic dial function is provided to repeat dialing again. This function is effective as long as the mechanical security device and the automatic receiving device of the monitoring center are normal, when the telephone line is normally available.

[0007] However, if the telephone line is cut off, or if it cannot be used due to the use prohibition of the telephone line on the telecommunications carrier side due to the user's failure to pay, or the line construction on the line maintenance company side, or the use If a person changes the telephone line from a dial pulse line to a touch-tone telephone line without permission of the security service company, the security start signal cannot be received at the surveillance center from the guarded side, and the last person to be guarded is guarded. Even if the switch is turned on, the security start indication is not displayed at the remote monitoring center, and even if the various detectors to be protected detect an abnormality thereafter, the monitoring center cannot receive an alarm and the security target is in the no alarm state. There was a problem that it was left as it was.

The present invention has been made to solve the above-mentioned problems, and when the telephone line is not available, it is possible to notify the user immediately and take a countermeasure. The purpose is to obtain a high mechanical security device.

[0009]

[Means for Solving the Problems]

 The mechanical security device according to the present invention comprises an automatic dial section for automatically calling the monitoring center via a telephone line at the time of starting security, and a connection from the monitoring center corresponding to the above-mentioned calling at the time of starting security. When the confirmation signal is received, the control means that sends the security start signal etc. from the automatic dial section to the monitoring center, and the line communication display from the security start operation until the security start signal is transmitted, and the above connection It is equipped with a line failure notification section that displays a line error when there is no response from the confirmation signal.

[0010]

[Action]

 In this invention, the line communication is displayed from the security start operation to the transmission of the security start signal, and when the connection confirmation signal from the monitoring center cannot be received in response to the call. A line error is displayed.

[0011]

【Example】

 An embodiment of the present invention will be described below with reference to the drawings. FIG. 1 shows the structure of a mechanical security device according to this embodiment. Reference numeral 1 is a security switch provided near the final exit of a security target, and a security switch 2 is provided for starting and releasing security. The line disconnection notification unit 3 is a machine security device main unit (hereinafter abbreviated as main unit) installed in the security target. Reference numeral 31 is a control unit of the mechanical security device, 32 is an automatic dial unit that automatically dials a remote monitoring center and transmits various signals through a general subscriber telephone line, and 33 is a connection confirmation signal from the remote monitoring center. A circuit connection determination unit 34 that receives and determines the connection of the line is an input / output unit of the main body unit 3 and the external connection device, and the main body unit 3 is configured by the portions indicated by reference numerals 31 to 34. Reference numeral 4 is a detector group consisting of detectors 41 to 44, etc. installed in the alarm target, and detecting anomalies such as intrusion, fire, and gas leakage.

Next, the operation of the mechanical security device configured as described above will be described using the flowchart shown in FIG. The last person to be guarded who has introduced the mechanical guard operates the guard switch 1 provided near the last exit of the guard to start guarding. In step 11, the control unit 31 determines whether or not the security switch 1 is on, but the security switch 1 is turned on by the security start operation to generate a start operation signal, and the control unit 31 outputs this signal to the input / output unit. It is input via 34, and it is determined that the security switch 1 is on. In step 12, the control unit 31 determines whether or not the detector group 4 installed in the security target is normal. If abnormal, the security unit (not shown) provided on the security switch 1 without starting security in step 13 Performs an abnormal exit operation such as not lighting the start display lamp. As a result, the person who finally exited confirms whether or not the abnormal place, for example, the door provided with the detector 41 is closed, and if the door is open, closes the door and restarts the security switch 1.

If the detector group 4 is not abnormal, the control unit 31 turns on the line non-reporting unit 2 provided integrally with the security switch 1 in step 14, and confirms that the line non-reporting unit 2 is in line communication. Display it. Next, in step 15, the control unit 31 activates the automatic dial unit 32 to call the remote monitoring center via the general subscriber telephone line. In response to this, the receiving device of the monitoring center (not shown) activates the automatic receiving device to connect the line, and returns a connection confirmation signal to the mechanical security device side via the line. The line connection determination unit 33 receives the connection confirmation signal from the monitoring center and transmits the line connection signal to the control unit 31.

The control unit 31 determines in step 16 whether or not the connection confirmation signal is received, and if it is received, the control unit 31 causes the automatic dialing unit 32 to transmit the security start signal and its own identification signal in step 17. The monitoring center receives the security start signal and the identification signal, displays and prints out on the CRT or the printer which is the display means for monitoring, and records the security start of the security property. Next, the control section 31 stops the display operation of the line failure notification section 2. As a result, the person who finally exited confirms that the mechanical security device has reliably transmitted a signal to the monitoring center via the telephone line, and the mechanical security device is put in a security state.

On the other hand, if there is any abnormality in the telephone line, the telephone line is not connected even if the call is repeated several times at a constant time interval, and the line connection determination unit 33 cannot receive the connection confirmation signal in step 16. At this time, the control unit 31 changes the display of the line failure notification unit 2 from the display during line communication to the line abnormality display in step 21. This line abnormality display operates continuously unless the security switch 1 is operated to release the security. The user will investigate the reason why the telephone line cannot be used and inform the security service company that the security cannot be started. The security service company that received the contact will take measures such as checking the cause and restoring it to a state in which it can be guarded, or dispatching guards to guard.

If the detector group 4 detects an abnormality after the normal start of security in step 17, the detection signal is transmitted to the control unit 31 via the input / output unit 34. Therefore, the control unit 31 detects an abnormality in Step 19 through Step 18, and causes the automatic dial unit 32 to call in the same manner as at the start of security in Step 20. When the line connection determination unit 33 receives the connection confirmation signal from the remote monitoring center and transmits the line connection signal to the control unit 31, the control unit 31 monitors the automatic dial unit 32 for an alarm signal and an identification signal indicating an abnormality. Send to the center. In this way, security is maintained until the security switch 1 is unlocked.

Next, for example, when the first visitor comes to the security target the next morning and operates to release the security switch 1, the control unit 31 activates the line failure notification unit 2 in Step 22 through Step 18 to activate the line. A message indicating that communication is in progress is displayed, and in step 23, the monitoring center is called by the automatic dial unit 32. The connection confirmation signal from the monitoring center is input to the control unit 31 as a line connection signal via the line connection determination unit 33, and the control unit 31 releases the security from the automatic dial unit 32 to the monitoring center in step 25 via step 24. A signal and its own identification signal are transmitted, the line failure notification section 2 is turned off, and the security is removed.

However, if there is an abnormality in the line, the connection confirmation signal cannot be received in step 24. Therefore, in step 26, the line error notification unit 2 displays the line abnormality for a certain period of time, and then the security is released. .. The user knows the abnormality of the line and contacts the security service company in the same way as when starting security. The security service company takes measures such as elucidating the cause of the line abnormality.

In the above embodiment, the line notifying section 2 is designed to visually display the line state, but a bell or buzzer may be made to ring when the line is abnormal.

[0020]

[Effect of the device]

 As described above, according to the present invention, when an abnormality occurs in the telephone line, the abnormality is displayed, so that the user can immediately know the abnormality in the line and can immediately take countermeasures. It is possible to prevent the guarded object from becoming unguarded. Further, at the start of security, the circuit communication is displayed until the security start signal is transmitted, so that the user can surely confirm the start of security. Therefore, it is possible to improve the reliability of the mechanical security device and also to strengthen the mechanical security device, which has the effect of improving the service to the mechanical security user.

[Brief description of drawings]

FIG. 1 is a block diagram of a mechanical security device according to the present invention.

FIG. 2 is a flowchart showing the operation of the mechanical security device according to the present invention.

[Explanation of symbols]

 1 Security Switch 2 Line Failure Notification Section 3 Main Body Section 4 Detector Group 31 Control Section 32 Automatic Dial Section 33 Line Connection Judgment Section

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[Procedure amendment]

[Submission date] November 20, 1992

[Procedure Amendment 1]

[Document name to be corrected] Drawing

[Correction target item name] All drawings

[Correction method] Change

[Correction content]

[Figure 1]

[Fig. 2]

Claims (1)

[Scope of utility model registration request] 1. In a mechanical security device connected to a remote monitoring center via a general subscriber telephone line, a security switch for starting and canceling security, a detection means for detecting an abnormality of a security target, and a security start When there is a signal to confirm whether or not a remote monitoring center is automatically called when the security is released, or when an abnormality is detected in the security target, and a connection confirmation signal is sent from the monitoring center in response to the above-mentioned call, the presence or absence of the signal A line connection determination unit that determines the connection status of the above-mentioned line, and a security start signal and a security release signal from the automatic dial unit in response to receiving the connection confirmation signal at the time of security start, security release, and abnormality detection of the security target, respectively. And a control means for transmitting a security signal to the monitoring center, and displaying the line communication during the period from the start of security until the transmission of the security start signal, and the connection for the above-mentioned call. A machine security device comprising a line failure notification unit that displays a line error when there is no response from a confirmation signal.