JP3170735B2 - Security liquid ejection device - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION The present invention relates to a burglary that enters a store or the like and escapes by ejecting a liquid that is a mark of the burglary at an exit or the like to adhere to clothes, etc. to pursue and arrest the criminal. The present invention relates to a security liquid ejecting apparatus installed at an exit of a store or the like in a security system that can be specified.

[0002]

2. Description of the Related Art Heretofore, products for spraying a blinding liquid by a spray when a robbery or the like has been attacked, and for throwing a liquid or the like conspicuous even at night have been put to practical use. However, there is no guarantee that they will be hit by robbers, partly because of the psychological upset of the robbers, and they could be a powerful clue to chase the culprit. Did not.

As means for solving such a problem, for example, Japanese Unexamined Patent Publication No. Hei 3-156696 discloses that a liquid ejecting apparatus is installed near an entrance of a building or the like so that a burglar or a person trying to enter the building illegally. It plays a role in arresting criminals by spraying liquids with luminescence or odors that are difficult to clean and spray at night on the body or clothes of the person and using the luminescence and odor of these liquids as clues It is stated that it can be.

[0004]

The above-described concept is extremely effective in arresting a criminal and preventing crime. However, what kind of structure is used for a liquid ejecting apparatus, Despite the many problems that need to be solved, such as how to spray or when installed in stores, etc., how to prevent the sprayed liquid from contaminating displayed products, etc. I have not mentioned the problem at all.

The present invention has been made in order to solve the above-mentioned problems, and is installed in a store or the like to effectively spray a liquid serving as a mark without scattering to the surroundings, thereby making it effective in arresting and preventing crimes. It is an object of the invention to obtain a very useful security liquid ejecting apparatus that can be performed.

[0006]

A security liquid ejecting apparatus according to the present invention has a container filled with a liquid and a nozzle for ejecting the liquid, and a float is arranged in the container.
A float seating portion is provided on the outflow side of the container.

[0007]

When the robber who robbed the money approaches the doorway, the valve is opened and the liquid in the container is ejected from the nozzle and adheres to the criminal's clothes and the like. When the liquid level drops due to the ejection of the liquid, the float in the container or the valve also descends with the liquid level, and presses against the seating portion to close the liquid flow path, thereby stopping the ejection of the marker.

[0008]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS The liquid ejecting apparatus according to the present invention can be used to track, find, and arrest a criminal such as a robber after the criminal escapes when the criminal attacks a financial relationship, a convenience store, a supermarket, or the like (hereinafter referred to as a store). In the process of opening the criminal's store from the store, the criminal sprays a liquid as a mark toward the criminal, and attempts to enable the pursuit, detection, and arrest of the criminal as quickly as possible from the liquid Is what you do.

FIG. 8 is a schematic view showing an example of a state where the liquid ejecting apparatus according to the present invention is installed near the entrance of a store, and FIG.
FIG. 2 is a block diagram showing the configuration of the system. The store 1 has a double door 2 at the entrance and exit,
Inside, a counter 3 and a number of merchandise display shelves (not shown) are provided. The counter 3 is usually on standby by a clerk, and is provided with a start switch 4 that is operated when a burglary or the like enters an appropriate position. The start switch 4 may be either a manual type or a foot-operated type, and can be easily operated by a store clerk, and is provided in a place hard to be seen by a criminal, and is connected to an alarm device (A / A) 5 by a signal line. ing.

A door control device (D / C) 6 for controlling the opening and closing of the door 2 is installed near the door 2 at the entrance of the store 1. Is provided with an entrance human body detection sensor 7 for detecting that
On the exit side of the entrance as seen from the inside of the store, an exit human body detection sensor 8 for detecting that a person is opening the store is provided. The door control device 6 is connected to the alarm device 5 through a signal line, and the entrance human body detection sensor 7 and the exit human body detection sensor 8 are connected to the door control device 6 through signal lines, respectively. It is connected to the alarm device 5 via the control device 6.

In addition, a liquid ejecting apparatus 10 for adhering a liquid serving as a mark to the criminal's clothes or the like when the criminal escapes from the store is installed near the door 2 of the doorway, and is provided by a signal line. It is connected to the alarm device 5 via the door control device 6. In FIG. 9, reference numeral 9a denotes an alarm device 5.
And 9b is a bell.

In the security system configured as described above, when a burglary enters the store 1, the clerk turns on the start switch 4 by hand or foot. As a result, a start signal is sent to the door control device 6 via the alarm device 5, and if the door 2 at the entrance is open, the door 2 is immediately closed. Also, at this time, the entrance human body detection sensor 7 is in a non-operation state,
That is, it is turned off.

When a robber robbes money or the like and escapes toward the entrance and approaches the door 2, the exit human body sensor 8 detects this and sends a signal to the door control device 6, which controls the door 2 The opening operation is performed at a reduced speed according to a command from the device 6.
For this reason, the criminal is forced to stop inside the door 2 until the opening degree is such that the door 2 can pass through.

At this time, the liquid ejecting apparatus 10 is operated in response to a command from the alarm device 5, and ejects a liquid serving as a mark to the criminal who has stopped to adhere to clothes and the like. In this manner, the criminal escapes through the opening of the opened door 2 with the liquid attached, so that the criminal can be identified by the liquid adhering to clothes or the like when pursuing or arresting the criminal.

FIG. 1 is a longitudinal sectional view of an embodiment of a liquid ejecting apparatus according to the present invention, FIG. 2 is a sectional view taken along the line AA, and FIG.
It is -B enlarged sectional view. In the figure, 11 is a cover 60
, A frame with a U-shaped cross section, 12
a is a bottom plate fixed to the floor surface. Reference numeral 13 denotes a cylinder filled with a mixture of a fluorescent dye-dyed emulsion, a water-soluble acrylic resin and propylene glycol (hereinafter referred to as a liquid) under pressure with a gas such as nitrogen, and a lower portion to which an injection valve unit 15 is connected. Have been. Reference numeral 49 denotes a pressure gauge which is attached to the upper part of the cylinder 13 and indicates the internal pressure of the cylinder 13.

FIG. 4 is a longitudinal sectional view of an embodiment of the injection valve unit 15, and FIG. 5 is a sectional view taken along the line C--C. The injection valve unit 15 has a valve box section 16, a cylinder section 23 and a socket section 3.
It consists of five. The valve housing 16 has a substantially convex cross section, has a hexagonal tightening portion on the outer periphery, and a male screw 1 on the upper small diameter portion.
7 is provided, and a concave portion 18 having a female screw 19 on the inner periphery is formed in the lower central portion. Reference numeral 20 denotes a through hole provided at the center, and a first large-diameter portion 21 connected to the concave portion 18.
And a second large-diameter portion 22 independently formed thereabove.

The cylinder portion 23 has a substantially convex cross section, has a hexagonal tightening portion on the outer periphery, and a male screw 2 on the upper small diameter portion.
4, a cylinder 25 is formed at the center of the male screw 24 side, and a gas generation chamber 26 having a smaller diameter than the cylinder 25 is formed below the cylinder 25 continuously with the cylinder 25.
Is provided. The cylinder portion 23 has a male screw 24 screwed into the female screw 19 of the valve box portion 16 via a gasket 27 and is integrally connected to the valve box portion 16. The gas generating chamber 26 is configured to generate a high-pressure gas in the gas generating chamber 26 by, for example, sodium azide or the like that generates nitrogen gas by applying a voltage.

Reference numeral 28 denotes a piston disposed in the cylinder 25 of the cylinder portion 23. Reference numeral 29 denotes a rod having a lower end connected to the piston 28.
Is formed, and a cutter 31 is provided at an upper end portion. Reference numeral 32 denotes a plurality of openings provided at a lower portion of the hollow portion 30. Reference numeral 33 denotes a spring interposed between the top surface of the first large-diameter portion 21 and the piston 28. The rod 29 is constantly urged downward. Reference numeral 34 denotes an elbow which is connected to the second large-diameter portion 22 and attached to the valve box portion 16.

The socket portion 35 has a substantially convex cross section, has a hexagonal tightening portion on the outer periphery, and a cylinder 1 at the upper small diameter portion.
3 is provided with a male screw 36 connected thereto, and a concave portion 37 having a female screw 38 on the inner periphery is formed at a lower portion.
Numeral 39 is a through hole provided in the center portion. The diameter of the upper portion is sequentially increased to form a funnel-shaped inlet 40, and an O-ring 41 is provided on the inner peripheral surface of the inlet 40, and the float 43 is seated. Unit. In the socket portion 35, a female screw 38 is screwed into the male screw 17 of the valve box portion 16 via a disk 42 made of a thin metal plate, and both are integrally connected to constitute the injection valve unit 15 together with the cylinder portion 23. ing. At this time, the through hole 39 of the socket part 35 is
6, but blocked by the disk 42.

Reference numeral 43 denotes a float made of synthetic resin accommodated in the cylinder 13, 44 denotes a pressurizing port provided in the socket 35 for pressurizing a pressurized gas into the cylinder 13, and 45 denotes a pressurizing port 4.
A plug screwed into 4, 46 and 47 are fine holes communicating the pressurizing port 44 and the through hole 39, and 48 is a spool for closing the fine holes 46 and 47.

Next, the operation of the injection valve unit 15 configured as described above will be described with reference to FIGS. In the initial state, each component is in the state shown in FIG. 4. For example, nitrogen gas is introduced into the cylinder 13 from the pressurizing port 44 through the fine holes 46 and 47 and the through hole 39 of the socket part 35. Is introduced to maintain the liquid in a pressurized state. Then, pores 46 and 47 are formed by the spool 48.
Is closed, and the pressure port 44 is closed by the plug 45. At this time, the float 43 is floating on the liquid level.

When an operation signal is applied from the alarm device 5 to the cylinder section 23, high-pressure gas is generated in the gas generating chamber 26. As shown in FIG. Push up until it comes into contact with the top surface of the concave portion 18 of the portion 16. The rod 29 is also pushed up with the rise of the piston 28, the disk 42 is cut by the cutter 31 provided at the upper end, and the rod 29 is moved up into the through hole 39 of the socket 35.
At this time, the plurality of openings 32 provided in the rod 29 are
Of the cylinder 13 and the socket 35
Through hole 39, hollow portion 30 of rod 29, opening portion 32,
The second large diameter portion 22 and the elbow 34 communicate with each other.

Thus, the liquid in the cylinder 13 is pressure-fed to the elbow 34 via the above-mentioned passage by the gas for pressurization, and is jetted from a nozzle described later. When the liquid is pressure-fed and the liquid level is lowered, the floating float 43 also descends together with the liquid level, and is pressed against the O-ring 41 of the inlet 40 as shown in FIG. Spills stop. When the liquid pressurized as described above is ejected from the nozzle, when the amount of the liquid decreases, the pressurizing gas is ejected together with the liquid, so that the liquid scatters due to a splash phenomenon. However, in the present invention, the liquid is stopped from being fed by the float before the liquid is exhausted, so that the liquid in which the gas for pressurization is mixed is not ejected, and there is no possibility that a splash phenomenon occurs. In addition, since the float 43 is made of a synthetic resin and has excellent adhesion to the O-ring 41, it is preferable. However, other materials may be used, and the shape of the contact surface between the float 43 and the O-ring 41 may be appropriately adjusted. Can be changed.

Referring again to FIGS. 1-3, 50a, 50b
Is fixed to the frame 12 by screws at the correct position.
One or two or more holders 50a, 50
b is connected to a pipe 51 whose one end is connected to the elbow 34 of the valve box section 16. The nozzles 52a, 52b
Are detachably attached. The nozzles 52a and 52b have a structure in which the liquid is ejected in a rod shape or a fan shape with a narrow angle, and the elevation angle is
a, 18b. 53 is a holder 5
0b, a pressure switch for detecting the outflow of liquid ejected from the nozzles 52a, 52b; 54, a terminal block mounted on the frame 12 for transmitting and receiving signals;
55 is a signal line connecting the terminal block 54 and the cylinder unit 23,
56 is a signal line connecting the terminal block 54 and the pressure switch 53. The terminal block 54 is connected to the alarm device 5 via a signal line.
It is connected to the.

As shown in FIG. 7, a cover 60 to be put on the main body 11 has, for example, a logo of a manufacturing company, a store name or a pattern formed by a large number of small through holes 61 on the front surface. A concave portion 62 is provided inside the through holes 61a, 61b corresponding to 52a, 52b. The through holes 61 are provided in the nozzles 52a, 5
A number corresponding to 2b may be provided. And cover 6
3, the nozzle 52a, 52b is easily positioned by simply fitting the nozzles 52a, 52b into the recesses 62, as shown in FIG.
61b. Therefore, only a large number of through holes 61 can be seen from the front, and the nozzles 52a and 52
We do not know that b exists. If the surface of the frame 12 that contacts the cover 60 and the front surfaces of the nozzles 52a and 52b are black or dark, the nozzles 52a and 52b
Can be made more difficult to understand, which is effective.

Reference numeral 57 denotes a support standing upright on the bottom plate 12a of the main body 11, and reference numeral 63 denotes a screw which is screwed into a screw hole 64 provided in the cover 60 so as to face the support 57.
The nozzles 52a and 52b can be securely held in the recesses 62 by screwing the screws 63 into the inside and abutting the support columns 57 to draw the front plate of the cover 60 toward the frame 12 side. In addition, the support column 57 and the screw 63 are attached to the cover 6.
A plurality of zeros may be provided in the height direction.

Next, the operation of the present invention will be described. The liquid ejecting apparatus 10 configured as described above is installed near the entrance of the store 1 as shown in FIG. 8, the cylinder 13 is filled with pressurized liquid, and the valve of the valve box 16 is Is closed. Now, when a robber steals money and arrives in front of the door 2, the criminal pauses in front of the door 2 because the door 2 is slowed down and opened. The exit human body detection sensor 8 detects this, sends a detection signal to the alarm device 5 via the door control device 6, and the alarm device 5 issues an operation command to the liquid ejecting device 10 based on this signal. This command is applied to the cylinder section 23, and the cylinder section 23 generates high-pressure gas by this signal, and opens the valve box section 16.

When the valve box 16 is opened, the cylinder 13 and the pipe 51 communicate with each other, and the pressurized liquid in the cylinder 13 is sent to the pipe 51 by pressure, and the rods 52a and 52b are shaped like a rod or a fan toward the perpetrator. The liquid which becomes the mark of is ejected, and adheres to the criminal's clothes and the like. When the liquid is ejected from the nozzles 52a and 52b and the liquid level of the liquid in the cylinder 13 is lowered, the float 43 that has floated down moves down to close the passage of the valve box 16, and a part of the liquid is stored in the cylinder 13. The injection is stopped in a state where is left. On the other hand, when the door 2 is opened, the criminal escapes while the liquid serving as a mark is attached to clothes or the like.

In the above description, the case where the injection valve unit 15 is configured as shown in the figure is shown.
5 is not limited to the above-described embodiment, and can be changed as appropriate such as using an electric valve or a hydraulic valve as a valve. Further, although the case where the seating portion of the float 43 disposed in the cylinder 13 is provided at the inflow port 40 of the injection valve unit 15 is shown, it may be provided at the outflow side of the cylinder 13. Although the case where the float 43 is disposed is shown, a cylindrical portion having a diameter larger than the diameter of the float 43 may be provided above the injection valve unit 15 and the float 43 may be disposed within the cylindrical portion.

[0030]

As described above in detail, the liquid ejecting apparatus according to the present invention has a container filled with a liquid, a nozzle for ejecting the liquid, a float disposed in the container, and an outflow of the container. Since the float seat valve is provided on the side, not only can the liquid be reliably ejected to the culprit and adhere to clothes or the like, but also the occurrence of a splash phenomenon at the end of the ejection can be prevented. For this reason, the liquid ejected from the nozzle can be concentrated in a narrow area without being scattered, so that it does not adhere to stores and goods and contaminate, and it is possible to effectively track, find, and arrest the escaping criminal. In addition, the security effect can be enhanced.

[Brief description of the drawings]

FIG. 1 is a longitudinal sectional view of an embodiment of the present invention.

FIG. 2 is a sectional view taken along line AA of FIG.

FIG. 3 is an enlarged sectional view taken along line BB of FIG. 1;

FIG. 4 is a longitudinal sectional view of an embodiment of an injection valve unit which is a main part of the present invention.

FIG. 5 is a sectional view taken along line CC of FIG. 4;

FIG. 6 is an operation explanatory view of FIG. 4;

FIG. 7 is a front view of FIG. 1;

FIG. 8 is a schematic view showing a state where the liquid ejecting apparatus according to the present invention is installed in a store.

FIG. 9 is a block diagram showing the system configuration of FIG. 5;

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 10 Liquid injection apparatus 11 Main body 12 Frame 13 Cylinder 15 Injection valve unit 16 Valve box part 20, 39 Through hole 23 Cylinder part 25 Cylinder 26 Gas generation chamber 28 Piston 29 Rod 30 Hollow part 31 Cutter 32 Opening 33 Spring 35 Socket part 40 Inlet 42 Disc 43 Float 50a, 50b Holder 51 Pipe 52a, 52b Nozzle

Continuing on the front page (72) Inventor Toshihiko Sato 6-11-23 Shimorenjaku, Mitaka City, Tokyo Inside (72) Inventor Jun Fujimoto 6-11-23 Shimorenjaku, Mitaka City, Tokyo SECOM Corporation (72) Invention Applicant Jun Uchiyama 4-7-3 Kudanminami, Chiyoda-ku, Tokyo Nomi Disaster Prevention Co., Ltd. (72) Inventor Nobuo Yamada 1-310 Kitahoncho, Itami-shi, Hyogo Koatsu Co., Ltd. (56) References JP 62-7460 (JP, A) JP-A-3-156696 (JP, A) JP-A-3-38591 (JP, U) (58) Fields investigated (Int. Cl. ⁷ , DB name) G08B 15/02 B65D 83/14

Claims (1)

(57) [Claims] 1. A container filled with a liquid together with a pressurizing gas , and a nozzle for injecting the liquid, a float is disposed in the container or on the inflow side of a valve, and the outlet side of the container is a funnel. The liquid is formed in a shape
A liquid jetting device for crime prevention, wherein a seat portion of the float that is closed while leaving a part thereof is provided.