JP3392166B2 - Security alarm system - Google Patents

Description

Description: BACKGROUND OF THE INVENTION 1. Field of the Invention
An unspecified number of people in the office, such as
Security alarm system suitable for the area of use
You. [0002] Conventionally, cash services of banks (hereinafter referred to as cash services).
Below, the cash service is called CS)
In addition, unmanned management has been attempted, and various
Crime alert systems have been proposed. For example,
In Japanese Patent No. 56236, the shutter is closed at the closing time.
If a residual person is detected in the business
Disabling the activation of the closing operation or during the closing operation
Stop and let open as needed, then
If no residue is detected within
The shutter to perform the closing operation, and a predetermined time after the shutter is completely closed.
When a residual person is detected inside the shutter, the shutter is opened.
By shutting down those who remain in the business
Have been shown to prevent
You. [0003] Further, according to this, the shutter is moved to a designated time.
Abnormalities such as when opening or closing is not completed
When a condition occurs, the notification device changes the location to the specified management location.
It is designed to notify the user constantly,
Can quickly respond to unusual situations even in a
It has been made. [0004] However, the conventional
The security alarm system has the following problems. [0007] Shutters and automatic doors are provided at entrances and exits of business establishments.
Is usually installed to control the opening and closing of automatic doors.
A hot wire sensor is used as an automatic door switch.
The hot wire sensor as an automatic door switch
Located outside and inside the automatic door. However, the hot wire
Because the distance between the sensor and shutter is very small,
The sensor not only detects human movement, but also
The shutter closes when the shutter opens and closes.
Automatic door opens even when there are no people at the time of work
There was a case that occurred. Such a malfunction
The reliability of automatic doors is impaired, and consequently the security alarm system
It is preferable because it will impair the reliability of the entire system.
It is clear that there is no. One measure for preventing such a malfunction is as follows.
To reduce the sensitivity of the hot-wire sensor
However, in such a case, it naturally detects human movement.
The sensitivity of the automatic door will decrease.
Otherwise, the automatic door will not open, let's enter and exit
The risk of someone hitting the automatic door
Therefore, it is a preferable measure to reduce the sensitivity of the heat ray sensor.
It is not. [0011] The present invention is to solve the above-mentioned problems.
A security alarm system with shutters and automatic doors
Automatic opening and closing of the shutter
Provide a security alarm system that does not malfunction
The purpose is to do so. [0013] In order to achieve the above object,
For this purpose, the present invention provides an automatic door disposed at an entrance and exit,
Automatic door switches located outside and inside the automatic door
The hot wire sensor as a switch and the outer hot wire sensor
A shutter disposed on the outside of the shutter, and opening and closing movement of the shutter
Security alarm system comprising a control means for controlling the operation.
And the control means determines that the shutter release time has arrived.
After the shutter release operation is completed.
When the operation of the heat storage sensor is started and the shutter is closed
When the time has come, the operation of the outer heat ray sensor is stopped.
And instruct the shutter to start the closing operation.
Beforehand, stop the operation of the inside heat ray sensor
It is characterized by the following. According to the present invention, the entrance and exit of a business establishment are provided.
Is equipped with an automatic door.
A heat ray sensor as an automatic door switch is located inside.
Have been. Hot wire sensor located outside the automatic door
A shutter is arranged further outside the camera. This shuffle
The opening / closing operation of the data is controlled by the control means. For example,
The control means instructs the shutter to open at the opening time
Then, a closing operation is instructed at the closing time. [0021] The control means controls the shutter opening time.
Arrives after the shutter release operation is completed.
The operation of these heat ray sensors is started. Also, shut
When the closing time of the door arrives,
The operation of the hot-wire sensor arranged in is stopped. this
For those who try to enter the business establishment by
Its entry can be regulated. The control means is
When the shutter closing time arrives, the shutter
Instruct the closing action, but prior to that, inside the automatic door
The operation of the hot-wire sensor arranged in is stopped. By performing the above operations, automatic
Reduce the sensitivity of the hot-wire sensor as a door switch.
Automatic door malfunction caused by shutter movement
The security alarm system.
The reliability can be improved more than before. Embodiments will be described below with reference to the drawings.
In the following embodiment, the security alarm system of the present invention is used.
Was applied to the sales office of a financial institution with a CS corner
The case will be described, but the security alarm system of the present invention
Naturally, it can be applied to other establishments.
is there. FIG. 1 shows a security alarm system according to the present invention as C
When applied to the sales office of a financial institution with an S corner
FIG. 1 is a block diagram illustrating an example of a system configuration, where 1 is a main block diagram;
Control device, 2 display device, 3 memory card, 4 telephone
Machine, 5 is a public telephone line, 6 is a report destination, 7 is a remote control switch.
Switch, 8 is a hot-wire sensor, 9 is a window sensor, and 10 is a vibration sensor.
Sensor, 11 is a protector, 12 is a CS intercom,
13 is a threatening device, 14 is an intercom, 15 is a window turtle
LA, 16 is a CS camera, 17 is a switcher, 18 is V
TR, 19 is a monitor, 20 is a printer, 21 is CS control
Panel, 22 is a control panel, 23 is an electric shutter, 24 is a control
Panel, 25 is an automatic door, 26 and 27 are hot-wire sensors, 28 is
Guide light, 29 is CS lighting, 30 is CS signboard, 31 is air conditioning
, 32 is an automatic teller machine (hereinafter referred to as ATM), 3
3 denotes a current transformer, and 34 denotes a communication line. The main controller 1 operates the security alarm system.
It manages and manages the work, and the microprocessor
And its peripheral circuits, and also has a communication function.
You. The main controller 1 is connected to the telephone 4 and
Others such as the report destination 6 via the public telephone line 5
It can be connected to a telephone. Therefore, outside phone
By dialing the telephone number of telephone 4 from the machine
The main controller 1 can be accessed. The figure
Shows only one report destination 6, but multiple
It is shown on behalf of the report destination. The main control unit 1 registers a store opening time and stores a store closing time.
Time registration, security start time registration, report destination registration, etc.
Set various operating conditions and display them for registration
An apparatus 2 is provided. This display device 2 has operating conditions
Various menu screens for setting can be displayed.
You can set and register desired operating conditions on the new screen.
Anything is possible, but here
Is to reduce the size of the display device 2 and to change the buttons
Keypad for entering numbers and time.
A touch panel is provided on the front to keep it to a minimum.
It is assumed that a liquid crystal display device is used. Example of the display screen
Is shown in FIG. FIG. 2 shows a button (FIG. 1) for instructing screen display.
Is not shown), the initial screen displayed when you press
Is a diagram showing an example of today's date, current time and main
A menu is displayed. In Figure 2, "security", "emergency",
“Cancel”, “Bell stop”, “Emergency”, “Sensor check”
Screen, abnormal information check, status display, and this screen
The "OFF" menu for deleting the display appears.
ing. Then, on this screen, for example,
When touched, the displayed characters are inverted between black and white as shown in the figure.
Is displayed on the next screen listing the details of "security"
You. And by repeating such operations as appropriate
It is possible to set and register operating conditions for desired items.
it can. The same applies to other items. It should be noted that a structure for performing such a screen display is provided.
Since the configuration is well known, its description is omitted. Also this
The number of operating conditions that require registration in the security alarm system is
Because there are so many, each item of the menu shown in FIG.
The description is omitted. In short, this display device 2
The required operating conditions can be arbitrarily
It is important to be able to set up which operating conditions
Is essentially assigned to the menu
There is no. A non-volatile memory is provided inside main controller 1.
The card 3 is built in and registered by the display device 2.
All of the operating conditions are stored in the memory card 3. Also,
The main controller is used to store the memory card in which the operating conditions are
Set to 1 and the operating condition written on the memory card
Control the operation of each part of the system based on the
It has also been made possible. According to this, something
If the system goes out of control due to
It is necessary to read the operating conditions from the re-card 3 and perform the control operation.
To improve the reliability of the system.
Things. Various devices are connected to main controller 1.
I have. Remote control switch 7 keeps main control device 1 in the alert state
Or alert release state.
For example, it is located on the outdoor side of the staff entrance of the business office.
You. There are various types of remote control switches.
These may be used, but here the card-type remote
A switch shall be used. This card type remote control
The switch 7 is registered in the remote control switch 7 in advance.
By inserting the card with the identification number written
The state of main controller 1 can be reversed.
Therefore, when the main control device 1 is in the alert state,
The identification number registered in the remote control switch 7
When the inserted card is inserted, the main controller 1 warns
And the main controller 1 is in the alert release state.
The car on which the identification number registered at a certain time is written
When the key is inserted, main controller 1 is in a warning state. What
Note that the alert state is based on the output signal of the heat ray sensor 8 and the like.
To detect abnormal conditions in the office, such as the detection of intruders.
The alert release state is a state in which no abnormal state is detected.
It is. The hot-wire sensor 8 is connected to the CS corner and
Many are set up in each place of the office, and the CS corner
Is mainly used to detect the presence of users or
The other parts of the sales office are mainly used to detect intruders.
Used. Note that this heat ray sensor 8 is an automatic door switch.
Not used as a switch. The window sensor 9 is connected to the entrance and exit of the business office and
It is placed in each window, and these entrances and windows are removed
Outputs a signal indicating an abnormal state when destroyed.
(Note that the following sensors output abnormal status.
Is called). The vibration sensor 10 is connected to the entrance and exit of a business office and
Located on the main wall of the CS corner, for example
Exceeding a specified amount of vibration on these wall parts
It is issued when movement is added. The protector 11 is provided with an automatic cash dispenser (C
D), currently installed in CS corner of ATM32 etc.
A sensor attached to a device that handles gold,
Raise when these are destroyed. The CS intercom 12 is a CD or ATM 32
Is provided in the
Or when trouble occurs in the device
Is for the user to talk with the staff. The threatening device 13 is used to threaten an intruder.
It consists of a bell, speakers, flashlight, etc.
Is done. The intercom 14 is a CS intercom 12
Responds to user calls from
It is arranged at an appropriate position inside. The window camera 15 is located at a counter in the office.
It is a TV camera that shoots a window, and the CS camera 16 is C
This camera shoots the S corner. These window cameras
15, the video signal from the CS camera 16 is the switcher 1
7 is switched at a predetermined cycle, and is recorded by the VTR 18.
Model that is located at an appropriate location within the business
It is displayed on the printer 19. In this switcher 17
Switching of the video signal is performed according to an instruction from the main controller 1.
However, this switching cycle is set using the display device 2.
It has been made possible. In addition, window camera 15, C
S camera 16, switcher 17, VTR 18, monitor
The operation time of 19 is arbitrarily registered using the display device 2.
Although they can be recorded, these are essential in the present invention.
This is not a matter of general interest, so here
Is always in operation. The printer 20 is a suitable printer such as a thermal printer.
Data provided by the main controller 1
Is printed so that it can always be printed.
ing. The type of data to be printed depends on your needs.
Although it can be set as appropriate, here, the main controller 1
When there is a change in the state of the office, the date and time data,
And data indicating what condition occurred
Give to 20. When print data is given, the printer 20
Prints the given data. For example, if you are alert
When set, the main controller 1 issues a hot-wire sensor 8
If any of these areas are detected,
Data indicating whether there was an entrant and data on the time at that time
A printer is generated and given to the printer 20. Such behavior
What is done, what year, what month, what day
It can record whether there has been a change in state. In addition to the sensors shown in FIG.
Of course, it is possible to provide
You. The CS control panel 21 is particularly suitable for the CS corner.
This is a device provided for performing dynamic operation, and
The device 1 is connected to the communication line 34. And CS
The control panel 21 is controlled by the main control transmitted through the communication line 34.
Entrance / exit of CS corner based on instructions from control device 1
Opening and closing control for the electric shutter 23 installed in the
Hot wire sensor as automatic door 25 and automatic door switch
26, 27, control of guide light 28, C
It corresponds to the lighting at the S corner (hereinafter referred to as CS lighting) 29.
Control, CS signboard 30 indicating that there is a CS corner
Air conditioner 31 which controls the air conditioner and performs air conditioning in the CS corner
Control and power-on control of ATM32.
Do. The communication between main controller 1 and CS control panel 21 is performed.
Communication is performed by a known communication method such as packet communication.
be able to. Here, the control panel 22 is
It is provided as a driving device. Similarly,
The platen 24 is provided as a driving device for the automatic door 25.
However, the control panel 24 has a hot wire during business hours.
Based on the signals from the sensors 26 and 27,
Detection is performed, and when a moving object is detected, the automatic door 25 is detected.
Is controlled to instruct to open. Here, the heat
The line sensor 26 is located inside the automatic door 25, that is, inside the business office.
Side, and the hot-wire sensor 27 is
A It is assumed that it is arranged outside of 25. FIG.
Does not show a CD, but a CD is installed
Of course, you can use the CS control panel in that case.
21 is to start the CD power supply.
It is clear that you can. The guide light 28 is related to the business hours of the CS corner.
Message, such as business hours
When the specified time has passed before the closing, `` The business will close soon.
"", When the business hours are over, "business closed" etc.
Display, and is configured by an appropriate display device.
You. In addition, during the above "soon to close business" etc.
Display that the business will end without any
The number of minutes before the setting is set by the display device 2. What
Note that only visual display is performed here,
It is clear to a person skilled in the art that an audio display can be used together.
It is. Special C for automatic operation of CS corner
The significance of providing the S control panel 21 is as follows. Figure
As shown in FIG. 1, an electric shutter 23 is provided at the CS corner.
Many devices are installed at the beginning, and
To supply power or send or receive signals to or from these devices.
These devices and their controls.
Power and signal lines must be laid between
No. Therefore, main controller 1 is located near CS corner.
If installed at the CS corner by the main controller 1,
It is possible to control the installed equipment directly.
However, the main controller 1 is located away from the CS corner.
If it is installed, it should be controlled directly by main controller 1.
Is obviously not a good thing to do,
As a special operation of the CS corner,
A CS control panel 21 is provided. Therefore,
In the present invention, the CS control panel 21 is not an essential requirement
However, in this embodiment, it is assumed that the CS control panel 21 is used.
You. The outline of the configuration shown in FIG. 1 has been described above.
However, the operation of main controller 1 and CS control panel 21
This will be described more specifically. First, an employee goes to work and the remote control switch 7
Main controller 1 is alert when a predetermined card is inserted into
Alarm is released, the main controller 1
Operation is stopped by ignoring the
Let Use the display device 2 to determine which sensor should be stopped.
Arbitrarily. Here, the heat ray sensor 8,
The window sensor 9, the vibration sensor 10, and the protector 11
Operation shall be stopped. Therefore, in this case the staff
The hot-wire sensor 8 emits an alarm every time the
Device 1 ignores this report, so it is not determined that an abnormality has occurred.
Do not refuse. In this specification, the operation of the sensor
Suspension is limited to ignoring the alert as described above
Not include power supply stoppage, etc. Then, when the registered predetermined time comes, the main
The control device 1 controls the CS control panel 21 so that the CS lighting 29
Turn on the air conditioner 31 and turn on the power to the ATM 32
To instruct. As a result, the CS control panel 21 controls the CS lighting.
29, supply power to air conditioner 31 and ATM 32
You. Then, the CS control panel 21 operates the current transformer 33 at a predetermined cycle.
Load current of each device from the
It is determined whether the load current is within a normal range. Normal
No processing is performed if the load current is abnormal.
If it is determined that the CS control panel 21
Via the communication line 34, what kind of abnormality has occurred
The main controller 1 is notified. For example, the circuit of the CS lighting 29
Is disconnected, the load current is below the specified range.
, But the CS control panel 21 outputs it from the current transformer 33.
Judging from the load current taken in, the CS lighting 29 is disconnected.
To the main control device 1. Ma
At this time, the CS signboard 30 is not turned on,
A load current in a range abnormality defined in the signboard 30 is flowing.
In this case, it indicates that the circuit of the CS signboard 30 is short-circuited.
Information to the main controller 1. Load current of other equipment
The same applies when there is an abnormality. The CS control panel 21 indicates that an abnormality has occurred.
Upon receiving the information, main controller 1 transmits the contents to printer 2.
0, and register using, for example, speech synthesis technology.
What kind of abnormality has occurred in the recorded destination 6
Is reported by voice. Here, the report destination when an abnormality occurs
Is registered according to the time zone.
In the interzone, you can register multiple report destinations by setting the report order
It has been done. In other words, the person in charge of the office is the office manager
Because there is usually a notification
It's not always the case if you want to be the director.
Because if you have an intruder at night,
It is sufficient to report to the sales manager's home.
Sales office if an abnormality occurs at the start of S Corner operation
The chief is at work, so if you report to the sales manager's home,
If there is no taste and you want to report the occurrence of an abnormality,
It is advisable to notify the branch or head office
No. Therefore, in this security alarm system, the display device
The report destination for each predetermined time zone using the device 2, for example, business hours
Report recipients in the zone and report recipients in other hours
Can be registered arbitrarily. In each time zone, the report destination is
If only one location can be set, main controller 1
If you are away when you report
I can't. More recently, answering machines have often been recorded.
In this case, the line is connected but recorded on tape.
Is not immediately transmitted to the person who wants to report
Will be. Therefore, this security alarm system
In each of these time zones, the report destinations are ranked
Registration is possible. In addition, to each report destination
Can also register whether or not the answering machine is set
The main controller 1 sets the answering machine to the answering machine.
A report is also sent to the report destination that is
Notifying the next report destination without recognizing that it was performed normally
Information. And the notification that the answering machine is not set
If the line is connected first, it is considered that the
I do. For example, for one time zone, three
If the destination can be registered, the main
The control device 1 first dials the first-ranked report destination. So
Then, main controller 1 completes the report when the line is connected.
However, the line is not connected
Answering, and the answering machine is set to the first-ranked destination
If it is, the report is made to the second place report destination. Less than
Below, the line is connected to the report destination where answering machine is not set
Until the first rank, the second rank, and the third rank
Repeat the operation. The same applies to the following when an error occurs
It is. Now, the main control device 1 is in the registered CS command.
When the business start time of
To open the electric shutter 23 and start the automatic door 25
Show. In response, the CS control panel 21 first controls the control panel 2
2 to open the electric shutter 23, and then
When the electric shutter 23 is completely opened from the control panel 22
Is received, the activation of the automatic door 25 is controlled next.
Instruct the board 24. As a result, the control panel 24
The signals from the sensors 26 and 27 are validated and the automatic door 25
Opening / closing control is started and the signals from the hot-wire sensors 26 and 27
Therefore, when it is determined that there is a moving object, the automatic door 25
Is controlled to open. Then, the control panels 22 and 24 respectively
Some abnormality in the system of the moving shutter 23 and the system of the automatic door 25
Is generated, the fact is notified to the CS control panel 21. This
In response, the CS control panel 21 sends the information to the main controller 1.
Notice. As a result, the main controller 1
At the same time as printing, a report is sent to the report destination in the time zone. As described above, the configuration shown in FIG.
In the business hours, the electric shutter 23
When an error occurs in the system, an error occurs in the automatic door 25 system.
, Guide light 28, CS lighting 29, CS signboard 3
0, load current of air conditioner 31, ATM32 became abnormal
Sometimes from the CS control panel 21 to the main controller 1
It is notified whether an abnormality has occurred. Thereafter, at the registered predetermined time,
The main control device 1 controls the CS signboard 30 with respect to the CS control panel 21.
Instruct lighting. As a result, the CS control panel 21
Power is supplied to the plate 30. After that, the registered predetermined time is reached.
The main controller 1 will be closed soon with the guide light 28.
The CS control panel 21 is instructed to display a message to the effect that the message is displayed. This
As a result, for example, as described above,
Will be closed. "Message will be displayed. The operation of the registered CS corner
When the work end time comes, the main control device 1
Notify the start of processing at the end of CS corner business
And at the CS corner of the hot-wire sensor 8
The alarms of the systems that have been set are valid. However, this is a residual
For detection, that is, the user is locked in the CS corner
Measures to prevent intrusion and detect intruders
Not for. That is, at this time, the main controller 1
Are still in the alert release state and these hot-wire sensors
Even if they report, they do not judge that there is an intruder. In response to the notification from main controller 1, CS control
The platen 21 first stops the operation of the outer heat ray sensor 27.
An instruction is given to the control panel 24. This will make the CS
The visitor is prevented from entering. This is entry control.
At this time, the CS control panel 21 displays the business hours
Display a message indicating that has ended. Then, entry control is performed from the control panel 24.
When the CS control panel 21 receives the information indicating that the
Instruct the panel 24 to stop the operation of the inner heat ray sensor 26,
Information indicating that the operation has been stopped is received from the control panel 24.
Operation, the closing operation of the electric shutter 23 with respect to the control panel 22
Instruct to start. However, at this time, main controller 1
Sensor 8 determines that there is a user in the CS corner
Is notified to the CS control panel 21
The CS control panel 21 is controlled by the control panel 2
When instructing the operation of the inner heat ray sensor 26 to 4
Received a signal from the main controller 1 indicating that there is a residual person
Command to stop the operation to the hot-wire sensor 26 and
No instruction to start the closing operation is given to the dynamic shutter 23.
No. Further, during the closing operation of the electric shutter 23, the main controller
If a signal indicating that there is a residual person is received from 1, then
The control panel 2 stops the closing operation at the point and performs the opening operation.
2 and restart the operation of the inner heat ray sensor 26.
Open. After that, the signal from the main controller 1
If it is determined that there are no remnants in the S corner, the CS system
First, the control panel 24 is connected to the control panel 24 with the heat ray sensor 26 inside.
An instruction to stop the operation is issued, and the operation is stopped from the control panel 24.
Receiving the information indicating that the
The closing operation of the shutter 23 is instructed. This causes heat
The line sensor 26 mistakenly moves the electric shutter 23 as a moving body.
To prevent the automatic door 25 from opening.
be able to. When the CS corner is closed,
The opening and closing operation of the electric shutter 23 according to the presence or absence of a residual person.
The control method can be determined as appropriate. An example
For example, it is disclosed in the above-mentioned Japanese Patent Publication No. 1-56236.
The same control as described above may be performed, or in a different mode.
Control may be performed, but users are inadvertently brought to the CS corner.
It is important not to be trapped inside
You. Then, the closing of the electric shutter 23 is completed.
Received from the control panel 22, the CS control panel 21
The main control device 1 is notified of the fact. Then, the registered alert start time comes,
Is notified from the main controller 1 to the CS control panel 21
Stops the operation of the electric shutter 23 with respect to the control panel 22
And instruct the control panel 24 to stop the operation of the automatic door.
Instruct, guide light 28, CS lighting 29, CS signboard 30, sky
Stop supplying power to the controller 31 and the ATM 32
You. At this time, the main controller 1 controls the window sensor 9,
It is arranged at the CS corner of the vibration sensor 10.
The system alarm is enabled, and the protector 12 is also alerted.
As valid, only the CS corner is alerted.
Therefore, after the alarm start time, the heat ray sensor 8, the window sensor
9 or the sensor at the CS corner of the vibration sensor 10
When a warning is issued from the server and when a warning is issued from the protector 11.
If there is an error, the main controller 1
To the printer 20 and
Report to the registered report destination 6. Incidentally, regarding the area other than the CS corner,
When remote control switch 7 is operated, main controller 1
Be alert. The embodiment of the present invention has been described above.
However, the present invention is not limited to the above-described embodiment, and various
It will be apparent to those skilled in the art that variations of

BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a block diagram showing a system configuration example in a case where a security alarm system according to the present invention is applied to a sales office of a financial institution having a CS corner. FIG. 2 is a diagram showing an example of an initial screen of the display device 2. [Description of Signs] 1 ... Main control device, 2 ... Display device, 3 ... Memory card, 4
... telephone, 5 ... public telephone line, 6 ... report destination, 7 ... remote control switch, 8 ... heat ray sensor, 9 ... window sensor, 10 ...
Vibration sensor, 11 protector, 12 CS intercom, 13 threatening device, 14 intercom, 15 window camera, 16 CS camera, 17 switcher, 18
... VTR, 19 ... Monitor, 20 ... Printer, 21 ... CS
Control panel, 22: Control panel, 23: Electric shutter, 24: Control panel, 25: Automatic door, 26, 27: Heat ray sensor, 28
... guide light, 29 ... CS lighting, 30 ... CS signboard, 31 ... air conditioner, 32 ... automatic teller machine, 33 ... current transformer, 34 ... communication line.

Claims (1)

(57) Claims: 1. An automatic door disposed at an entrance, a heat ray sensor as an automatic door switch disposed outside and inside the automatic door, and an external heat ray sensor. In a security alarm system further comprising a shutter disposed on the outside and control means for controlling the opening and closing operation of the shutter, the control means, when the shutter opening time has come, after the shutter opening operation is completed The operation of the heat ray sensor is started, and when the closing time of the shutter is reached, the operation of the outer heat ray sensor is stopped, and when the shutter is instructed to start the closing operation, the operation of the inner heat ray sensor is performed in advance. Security alarm system characterized by stopping the alarm.