JPS5819990A - Informer for prevention of invasion - Google Patents

Abstract

(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

DETAILED DESCRIPTION OF THE INVENTION The present invention relates to an improvement in a device that provides notification to prevent intrusion.

In order to detect intruders in factories, unmanned substations, nuclear power plants, etc., various types of detectors are installed, including photoelectric type, electromagnetic induction type, electrostatic induction type, one mechanical switch type, and ultrasonic type. When these detectors are activated, a supervisor confirms them via industrial television and alerts them via microphone.

However, when the supervisor is absent, no warning is given, and even intruders who could have prevented the intrusion may be invaded and suffer unexpected damage.

The present invention is intended to improve the above-mentioned problems, and an object of the present invention is to provide an intrusion prevention notification device that can issue an accurate request to leave depending on the location of the intruder.

An embodiment of the present invention will be described below with reference to FIGS. 1 to 3.

In Figures 1 and 2, (1) indicates equipment such as unmanned substations, (
2) is an intrusion prevention fence installed surrounding the equipment (1);
(3A) to (3T) are intrusion prevention fence (2) and equipment (1)
A peripheral detector installed between the equipment (1) and buried underground (4) surrounding the equipment (1), (5) is its case, (6) is a permanent magnet provided in the case (5), (7) is a moving tube fitted with a permanent magnet (6) K and provided so as to be movable up and down;
(8) is a coil wound around the moving tube (7), (9) is a tension spring that suspends the moving tube (7) from the case (5), (IO
A) ~ (log, ) is installed between the peripheral detectors (3A) ~ (3T) and the equipment (1) and is buried surrounding the equipment (1), and is similar to the peripheral detectors (3A) ~ (3T). This is an inner circumferential detector with a structure of

In Figure 3, (IA) to (12T), (13A) to (1
3L) is an amplifier, (14A) to (14T), (15A
)~(15L) are external station detectors (3A)~ as described later.
(3T) and a filter that passes only the vibration frequency when the inner circumference detector (3DA) to (l0L) detects a person passing;
(16A) to (16T), (1)A) to (17L) are filters (14A) to (14T), (15A) to (15
Voltage level detectors 011-- have an output of rHJ when only the vibration level due to the input of the output of L) is detected. R
The gate, Qυ ~ trout is a monostable element, and the input R is rHJ
When the number of human crabs is counted and the number reaches a predetermined number, the output becomes "H", and when the input R is rLJ K, the contents are reset to zero. ), (2) is also an automatic broadcasting device,
(2) is the same lighting device, Kan is the same alarm device such as a siren, So is the water cannon with the same water spray function, C31), ni) is the AND gate, (2) is the OR gate, and (33a) is its output. This is an intrusion detection signal.

Next, the operation of this embodiment will be explained.

When a person passes, for example, on the ground surface where the peripheral detector (3A) is buried, the moving tube (7), ie, the coil (8), vibrates up and down via the case (5) and the spring (9). Therefore, an oscillating voltage is generated in the coil (8). This output is amplified by an amplifier (12A) and filtered (14A).
Only the human vibration frequency is passed through. This is generally due to vibration frequencies caused by people walking, jumping, etc., earthquakes, railways, etc.
This is different from the vibration frequency caused by automobiles, road construction, etc.
This is what separates this.

A single voltage level detector (16A) then detects only human vibration levels. This is to distinguish between the vibration level defined in Section 8, smaller levels (passing of small animals, falling poles, etc.) and larger levels (special vibrations such as stake driving).

Other outer circumferential detectors (3B) to (3T) and inner circumferential detectors (I
The same applies to OA) to (l0IJ).

Now, if one of the outer perimeter detectors (3A) to (3T), for example the outer perimeter detector (5A), is activated due to human intrusion, the output of the voltage level detector (16A) will be as described above. It becomes rHJ. Now, the output of the OR gate becomes rHJ, the output of the monostable element (2) becomes rHJ for a certain period of time, and the display operator lights up, e.g. "Please go outside."
is displayed. In addition, an automatic broadcasting device (Foundation) will operate and broadcast similar matters. Then, the site is brightly illuminated by the lighting device @. Further, the output of monostable element 4 also becomes rHJ. An intruder detects any of the inner circumferential detectors (IOA) to (l0L) while the output of the monostable element (2) is rHJ,
For example, when it passes over the inner circumferential detector (10mm) and is detected, the output of the voltage level detector (17A) is "■"
Then, the output of the OR gate becomes rHJ. Now, the output of the OR gate becomes rHJ9, and the output of the monostable element becomes rHJ for a certain period of time, causing the alarm member to sound to notify the intruder. Additionally, the water cannon staff will be activated to spray water on intruders and request them to leave. At the same time, the output of ANDG)C1,) becomes rHJ, so ORG)C1,)
The intrusion detection signal (33&), which is the output of rHJ, is
Sent to the observation room.

If a bird, ball, etc. jumps into the intrusion prevention fence (2), only one of the inner circumferential detectors (10A) to (10L) may operate. In this case, the alarm and water cannon)
operates, but since the output of the AND gate @υ does not become rHJ, the intrusion detection signal 33a) into the monitoring room is not generated.

On the other hand, when the output of the OR game (II) becomes rHJ, the output of the monostable element (E) becomes rHJ for a certain period of time, and the counter) counts this, and if it reaches a predetermined number within the above certain period of time, The output becomes rHJ. This makes it an AND gate)
The output of the OR gate becomes rHJ, and the output of the OR gate becomes rHJ, so that the alarm () and the water cannon () operate. The intrusion detection signal (33a) also becomes rHJ. This),
If an intruder jumps down from the intrusion prevention fence (2), the inner circumference detector (
Even if the device falls directly toward IOA) to (l0L), or if the device climbs over the outer perimeter detectors (3A) to (3T) using a ladder, etc., it can be treated as a human intrusion and the designated actions can be taken. can. In other words, the circumference of the cheek area (3mm) ~ (3mm)
However, intrusion is detected by detecting the number of steps taken by the intruder, the number of steps taken by the intruder, and other actions.

Note that it is also possible to implement as follows.

(7) Outer and inner circumference detectors (3A) to (sT), (xo
A) to (IOL) are those other than those used in the examples (photoelectric type, electromagnetic induction type, electrostatic induction type, one mechanical switch type, ultrasonic type, etc.).

(A) Outer and inner circumference detectors (3A) to (3T) #(I
Amplifiers (12A) to (OA) to (IOL) are installed respectively.
12T).

(13mm) ~ (13L), filter (14mm) ~ (14mm)
T).

(15A) to (15L) and voltage level detector (16A)
) to (16T), (1A) to (1GL) are not provided, but one set is provided in units of several pieces or in the whole.

(1) Instead of monostable plasters, use something that can detect time differences, such as a timer. Also, the location.

Please change the time limit depending on the time of day etc.

2) A device that applies a mild electric shock is used outside the internal intruder exclusion means h1 alarm 4 and the water spraying staff.

(4) Filters (14A) to (14T), (15A)
~(15L) is omitted.

(To) Voltage level detector (16A) to (16T),
(17A) to (171,) are configured to be detected when the input becomes a predetermined value or more.

(→ Inner circumferential detector (IOA) ~ (YOL) omitted 0
At this time, the detection accuracy of the outer filters (14A) to (14T) and the voltage level detectors (16A) to (16'r) is increased.

(b) Amplifiers (12A) to (12T), (13A)
~(,1L3L) All subsequent processing is performed by a computer.

()A Perimeter detector (3A) ~ (
3T).

((b) Outer circumference detectors (3A) to (3T) and inner circumference detectors (
IOA) to (l0L) are respectively made into different formats.

As explained above, in this invention, an outer circumferential detector and an inner circumferential detector are arranged to surround the equipment, and when the outer circumferential detector and the inner circumferential detector proboscis, they each notify the intruder of a request to leave. , and by making the notification mode different, it is possible to issue an accurate warning to the intruder depending on the location of the intruder, and to make the intruder leave.

[Brief explanation of the drawing]

Fig. 1 is a plan view showing an embodiment of the intrusion prevention alarm device according to the present invention, Fig. 2 is a vertical sectional view of the outer circumferential detector and inner circumferential detector of Fig. 1, and Fig. 3 is a block diagram of the same. It is a circuit diagram. (1)...Equipment, (3A)-(3T)...Outer circumference detector, (10A)-(IOL)...Inner circumference detector, (16
A) ~ (laT), (1) A) ~ (17L)... Voltage level detector, a Enoki ~ -... OR gate, ■, 04.
...monostable element, (to)...display device, (e)...automatic broadcasting device, (e)...lighting device, kiln...alarm, so...water cannon. Note that the same numbers are shown in the diagram. Parts are designated by the same reference numerals. Agent Makoto Kuzuno (1 other person) Figure 1 Figure 2 Procedural Amendment (Owner) Director General of the Japan Patent Office 1, Indication of IN Patent Application 1988-118858
No. 2, Title of the invention Notice for intrusive spinning at 3, Person making the amendment 5, Drawing subject to the amendment 6, Contents of the amendment Figure 3 of the drawing is corrected as shown in the attached appendix. 7. At least 1 copy of the FIJ side showing the lI3 diagram after the correction of the attached documents

Claims (2)

[Claims] (1) An outer perimeter detector that is placed surrounding the equipment and detects passing objects, and an inner perimeter detector that is installed between this outer perimeter detector and the above equipment and is placed surrounding the equipment and detects passing objects. a first means for notifying a request to leave when the outer circumferential detector is activated; and a first means for notifying an evacuation request when the inner circumferential detector is activated; An intrusion prevention notification device comprising a second means for notifying a request. (2) The intrusion prevention notification device according to claim 1, wherein the second means is configured to notify a stronger request to leave than the first means.