JP2666130B2 - Security equipment for buildings, etc. - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a security device such as a building having a plurality of independent security areas (hereinafter, referred to as "blocks") such as tenants, and more particularly, to ensure security of common blocks. About the system.

[0002]

2. Description of the Related Art Conventionally, sensors for detecting abnormal conditions such as theft, gas leakage, and fire have been provided in predetermined blocks of factories, buildings, apartments, and the like, and detection signals obtained from these sensors have been transmitted to predetermined blocks. A security system that transmits the information to a control center and monitors the presence or absence of an abnormality in the block at the control center is provided for realization.

There are a plurality of blocks such as these tenants,
Also, in a security system in a building having a common area such as a corridor, an elevator hall, an entrance, etc., since the closing times of the blocks of each tenant etc. are different, each area is individually set as a security area unit, i.e., a block. Abnormality needs to be monitored and guarded by block sensors. Further, when all of a plurality of independent blocks such as a tenant building become unmanned, it is necessary to put a common block such as a building into a security state.

Therefore, in a conventional security system for a building or the like, an operation switch, a magnetic card reader or the like which is a mode setting device is installed at a predetermined place inside or outside the building, and each block is guarded by performing a predetermined operation. State, the security was released.

[0005]

For example, a detector for detecting an abnormal state is installed in each block or the like, and an output of the detector is input to a transmitter via a control device for each block. There is a system for transmitting a predetermined signal to an external control center. According to this, the control device has an operation switch for setting a security or a security release state for each block. In the case of this system, each block is set to be guarded by the last exiter of the last block to set its own block to be guarded so that each block starts to be guarded near the entrance of each block. Otherwise, there is a problem that the common part is in an unguarded state even though the building or the like is unmanned. Further, if such a setting is made, there is a contradictory problem that the intrusion abnormality detector installed in the common unit operates when the final exit person leaves the building or the like, and transmits an unnecessary intrusion signal. For this reason, a system has been proposed in which the shared block is automatically set to the guard state after a predetermined time after the last exiter exits after the last block is in the guard state in the above system, The required time from each block to the final entrance is not constant depending on the distance from the block to the final entrance and the walking speed of the exit person, so that the exit cannot be completed within the above-mentioned predetermined time, and unnecessary alerts may occur. In addition, if the predetermined time is set to be long, there is a problem that the shared block is in a non-alert state for a while after the last leaver leaves.

[0006] Therefore, the present invention, in order to solve the above problem, in a security system such as a building having a common block and a plurality of individual blocks, eliminates the unguarded state of the common block and unnecessary information, and ensures that The purpose of the present invention is to provide a security device for a building or the like for ensuring security.

[0007]

SUMMARY OF THE INVENTION The present invention relates to a security device such as a building for guarding a security area divided into a common security area and a plurality of individual security areas. A detection device for detecting an abnormality,
A mode setting device for setting the respective areas to at least the security mode and the security release mode, a local control device for controlling the detection device and the mode setting device, and a central control device connected to each of the local control devices. A first timing means that is activated and operates for a predetermined time when all the individual security areas are set to the security mode, and a detection means provided in the common security area after the common security area is set to the security mode. A second timer which is activated when at least one of the devices detects an abnormality and operates for a predetermined time, and within a time period of the first timer means and during a time operation of the second timer means. A security device for a building or the like, wherein an abnormal signal is released when a mode setting operation is performed by a mode setting device in a common security zone.

Since the central control unit is connected to each local control unit, it is possible to constantly monitor whether each security zone is in a security state. The central control unit performs a predetermined time counting operation by the first timing means when all the individual security areas are in the security state, and the common security area is in the security state and the detection device detects an abnormality. When the abnormality is detected, the second timing means performs a timing operation for a predetermined time, and within this predetermined time and until the timing operation of the first timing means is completed, the mode of the local control device in the security area of the common unit is Invalidates the abnormal signal when the setting device is operated.

[0009]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS The present invention will be described below in more detail with reference to embodiments shown in the accompanying drawings. FIG. 1 schematically shows a building 10, which is the entire security area, and is composed of independent blocks B0, B1,... B8. Block B0
Is a common security zone, and the other blocks B1 to B8 are individual security zones. .., LC8 are provided in each block. As shown in FIG. 2, each of these local controllers is centrally controlled by one central controller CC. Central controller CC
Is connected by a transmission line to a host computer HC at a control center of the security system.

The local control device will be described with reference to FIG. Each local controller is a well-known CPU, RO
M, RAM, etc.
Or a peripheral control circuit (including an I / F or I / O function)
14 and other devices. Various LEDs,
The display device 16 which is a notification device composed of a liquid crystal display or a CRT, and the input device 1 composed of an operation touch panel and the like
8, and a card reader 20 for reading a magnetic card are connected to the peripheral control circuit 14, and an electric lock device 22;
The interface 13 is connected to a detecting device 24 including a sensor for detecting an abnormality. The display device 16 is a device for notifying a person in each block, and may be replaced by a voice device instead of a visual means. The card reader 20 is an example of a mode setting device. The types of modes include a security state of the block (hereinafter, referred to as a set), cancellation of security (hereinafter, referred to as canceled or not set), and other patrol security.

The central control unit will be described with reference to FIG. The central control unit CC includes a CPU, a ROM, a RAM, and the like.
And the input device 30, the local control device LC and the communication device 34 are connected via the interface 25, and the communication device 34 is connected to the host computer HC of the control center.

The security device will be described below with reference to the flowcharts shown in FIGS. First, the flowchart shown in FIG. 5 is a program in the central control device CC. In step 40, it is determined whether or not the number of individual blocks in the released state is equal to or less than a predetermined number PN, for example, three blocks. Although one individual block may be used, for example, in FIG. 1, only the individual blocks B3, B4, and B8 have a person, the mode is in the released state, and the other individual blocks B1, B2, B5, B6, and B7 are in the set state. And In this case, in step 42, each individual block B
A reminder message is transmitted to the local control devices LC in 3, B4 and B8. In each of the individual blocks B3, B4, and B8, the reminder message is displayed on the display device 16 (FIG. 3), and the people in each of the individual blocks B3, B4, and B8 are the ones who leave the building 10 last. Know what could be. Unset individual blocks B3 and B in step 44
It is checked whether or not any of the individual blocks B1, B2, B5, and B have already been set in step S46.
It is checked whether or not there is an individual block in the released state in B6 and B7. That is, the number of unset individual blocks is PN
(= 3) It is checked whether it is larger than. As a result, if the number of unset individual blocks is larger than 3, at step 48, the reminder messages of the individual blocks B3, B4, B8 are all cleared. Then, the process returns to step 40 again.

In step 44, if there is an individual block in the set state among the unset individual blocks B3, B4, B8, in step 50, all the individual blocks B1 to B8 are set.
It is determined whether or not 8 is set. When all the individual blocks are set, in step 52, a reminder message is transmitted to the local control device LC0 of the shared block B0 and displayed on the display device 16 (FIG. 3). Thereafter, if the member belonging to any of the individual blocks B1 to B8 returns to his or her own individual block, and the individual block is released, it is determined in step 54 that it is released, and in step 56, the reminder of the shared block B0 is performed. The message is cleared, and the process returns to step 40. This shared block B
The reminder message of 0 urges a person who has seen this message, that is, a person who wants to leave the shared block B0 last in principle, to set the shared block B0 in the set state and leave. If there is no released individual block in step 54, that is, if all the individual blocks B1 to B8 have been set, the process proceeds to step 60 shown in FIG.

The central control unit CC includes blocks B0 to B
8 connected to the local control devices LC0 to LC8 (second
Since the local control device is polled for the mode status of each block at intervals of several tens of milliseconds, for example, the above-described control is possible. For the mode setting of each block, for example, by inserting a magnetic card into the card reader 20 of each block, the local controller LC0 sets the mode of the security state as compared with the previous state.

Next, control by the local controller LC0 in the shared block B0 will be described with reference to FIG. For example, suppose that the individual block B4 is set last, and the person of the individual block B4 walks toward the exit door D1 through the shared block B0. When the last individual block B4 is set, the central controller CC sets the local controller L
A reminder message is transmitted to C0 (see step 52 in FIG. 5), and the sensing delay timer, which is the first time measuring means in the local control device LC0, is put on standby. After the standby, for example, for T = 5 minutes after the standby, the detection device 24 in the shared block B0 is used.
Of the sensors included in the exit door D1 having the final delay timer (described in step 66 described later).
Sensors S1, S2 except for sensor S4 corresponding to
It has a function of canceling the detection signal of S3 in accordance with the conditions described later. Exit door D for person in last individual block B4
Looking at the display device 16 (see FIGS. 1 and 3) integrated with the local control device LC0 provided near 1
In order to set the shared block B0 to a set state, for example, a magnetic card is read. In step 62, this is received.
Due to the reception, at step 66, the local controller LC0
Start the last delay timer in the time t1,
For example, for only 15 seconds, the sensor S corresponding to the exit door D1
4 is used to cancel the detection abnormal signal. This enables a person who sets the mode of the common block B0 by a magnetic card to safely exit the exit door, that is, out of the security area. That is, in step 68, the exit sensor S4 detects that the above-mentioned person has passed,
If the abnormality is within the above-mentioned time t1, step 72
Cancel the abnormal signal at (Host computer H
Do not report to C (Fig. 2)). Thereafter, the process proceeds to step 64 to check for an abnormality. If it is determined in step 70 that the abnormality signal is not within the predetermined time t1, it is determined that the abnormality is abnormal, and a notification is sent to the host computer HC in step 74.

Next, when there is an abnormal signal in step 64, a sensing delay timer as a second time measuring means is started in step 76, and a time t2 is set. It is assumed that there is an abnormality in this step 64, for example, a somewhat special state in which the individual blocks B3, B4, and B8 set each block substantially simultaneously. In this case, if the persons of the three individual blocks B3, B4, and B8 are still in the shared block B0, the display device 16 of the local control device LC0 is already operated by the flow of steps 50 and 52 shown in FIG. Indicates that the magnetic card should be operated with the shared block B0 set. Therefore, the person who first came to the local controller LC0 (the last person in block B8) operates the magnetic card and receives the set signal (step 6).
2). Next, when each individual block last of the other individual blocks B3 or B4 passes through the shared block B0, it is detected by the sensors S3, S2, S1 and the like. This is the case when there is an abnormal signal in step 64. In this case, since the above-mentioned set command is displayed on the display device 16 at the local control device LC0, the final individual of the subsequent individual blocks B3 and B4 is similarly set to the set mode by the magnetic card. I do. Accordingly, a reset signal is received at step 78. Since the above-described time t2 is determined in consideration of the length of the walking path of the shared block B0, etc., for example, the sensor S1 detects the last person in the individual block B4 as abnormal, and the last person detects the last person in the local controller LC0. The time until the magnetic card operation is performed at the place usually falls within a predetermined time t2. Further, in the present embodiment, the condition is also that the time is within the range of the time T set in step 60, and this condition is determined in step 80,
If both conditions are satisfied, the abnormal signal is canceled at step 82, and the routine goes to step 66 again. Time T
For example, after the last person of the individual blocks B3, B4, B8 sets the mode of each individual block to the set state, the setting is made from the time until all the members operate the common block in the set state and finish closing the final door D1. Have been.

Step 7 even if the time T is within the range.
If the shared block B0 is not set by the magnetic card within the set time t2 in Step 6, the external intruder is determined, and the host computer HC is notified in Step 84.

In this way, all the blocks including the shared state are in the guard state. The first visitor (this person does not know whether he is the first visitor) opens the exit door D1 the next morning, and after the sensor S4 detects an abnormality, the last visitor enters If the delay timer is activated and the magnetic card is inserted into the card reader 20 (FIG. 3) connected to the local controller LC0 within the predetermined time t1 and the mode is released, the abnormal signal of the sensor S4 is canceled. You. The first visitor knows that he / she is the first visitor by the fact that the reminder message displayed on the previous day is still displayed on the display device 16 incorporated in the local control device LC0, and releases the shared block B0. In order to do so, a magnetic card operation is performed.

In addition to the above embodiment, even if there are a plurality of shared blocks B0, a local controller LC having a program similar to that of the above embodiment for each shared block.
If 0 is provided, security with high security accuracy is possible.

In the present embodiment, the mode setting device has been described as a magnetic card, but it goes without saying that a numeric keypad or other function buttons may be used. Although the local delay LC0 has the sensing delay timer and the final delay timer, these timers may be provided in the central controller. This is because all the local controllers LC and the central controller CC in the security block, including the local security controller LC0 in the shared security area, not only function as individual controllers, but also as a whole security device. This is because one control unit of the control device that performs integrated control of the two is configured. Therefore, a timer or other device can be connected to any of the local controllers LC or the central controller C
It may be connected to C.

[0021]

As is apparent from the above description, according to the present invention, in a security area having a common block and a plurality of individual blocks, the common block is used while all the exiters of each block do not leave. Is set to the guarded state, and even if the detector detects it by the departure, if the mode setting device of the shared block is operated within a predetermined time, the abnormal signal is canceled, so the unguarded time of the shared block is minimized. Thus, it is possible to provide a security device that is reliable and has high security accuracy without generating unnecessary abnormal information.

[Brief description of the drawings]

FIG. 1 is an explanatory view of application of a security device for a building or the like according to the present invention.

FIG. 2 is a configuration block diagram of a security device for a building or the like according to the present invention.

FIG. 3 is a connection configuration diagram of a local control device of a security device such as a building shown in FIG. 2 and peripheral devices thereof;

FIG. 4 is a connection configuration diagram of a control device of a security device such as a building shown in FIG. 2 and peripheral devices thereof;

FIG. 5 is a flowchart of a control program of the central control unit shown in FIG. 4;

FIG. 6 is a flowchart of a control program of the local control device shown in FIG. 3;

[Explanation of symbols]

DESCRIPTION OF SYMBOLS 10 ... Building 16 ... Display device 18 ... Input device 20 ... Card reader B0 ... Common block (common security area) B1-B8 ... Each independent individual block (individual security area) CC ... Central control device D1 ... Exit door HC ... Host computer LC0 ... Local controller in shared block LC1 to LC8 ... Local controller in each independent block

Claims (1)

(57) [Claims] A security device such as a building that guards a security area divided into a common security area and a plurality of individual security areas, wherein each of the common security area and the plurality of individual security areas includes:
A detection device for detecting an abnormality, a mode setting device for setting each of the areas to at least a security mode and a security release mode, a local control device for controlling the detection device and the mode setting device, and the local control devices. A first timing means which is activated when all the individual security zones are set to the security mode and operates for a predetermined time, and shared after the common security zone is set to the security mode A second time-measuring means which is activated when at least one of the detection devices provided in the security area detects an abnormality and operates for a predetermined time, and within the time-measurement time of the first time-measuring means and the second time-measuring means. A security device such as a building which releases an abnormal signal when a mode setting operation is performed by a mode setting device in a common security area during the timekeeping operation of the timekeeping means.