JP3158317B2 - Liquid ejection device - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION The present invention relates to a burglary that has entered 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. The present invention relates to a 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.

SUMMARY OF THE INVENTION The present invention has been made to solve the above-mentioned problems, and provides a liquid ejecting apparatus which can be installed in a store or the like to effectively eject a liquid, thereby being effective in arresting and preventing crimes. It is intended for that purpose.

[0006]

According to the present invention, there is provided a liquid ejecting apparatus comprising: a container filled with a liquid; a body having a nozzle for ejecting the liquid; a cover having a front surface provided with a through hole corresponding to the nozzle. It is provided with.

In the above liquid ejecting apparatus, (1) a plurality of through holes are provided in the cover, and a smaller number of nozzles than the through holes are provided in the main body. (2) A recess is provided on the inner surface side of the through hole provided corresponding to the nozzle of the cover, and a screw is provided on the back surface of the cover to abut on a support provided on the main body. (3) The nozzle is detachably attached to a holder fixed to the main body. (4) The nozzle is configured such that the liquid is ejected in a rod shape or a narrow angle door shape.

[0008]

When the robber who robbed the money approaches the doorway, the valve is opened and the liquid serving as a mark in the container is ejected from the nozzle and adheres to the criminal's clothes and the like. Further, since the number of nozzles smaller than the number of through holes provided in the cover is provided, it is not apparent from the outside that the nozzles are provided.

In order to cover the main body, the nozzle is fitted and positioned in the recess provided in the through hole, and a screw provided on the back of the cover is screwed in to pull the front plate of the cover toward the frame. By approaching, the nozzle is reliably held in the recess. Further, when the liquid is ejected, the nozzle hole or the like is closed by the liquid, so that when the liquid is ejected, the nozzle, the pipe, the cylinder and the like are replaced. Further, since the liquid is ejected in the shape of a stick or a fan having a narrow angle, the liquid is ejected only toward the culprit, and does not adhere to and contaminate nearby display items.

[0010]

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. 5 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. Store 1
Is provided with a double door 2 at the entrance, and has a counter 3 and a number of merchandise display shelves (not shown) inside.
Is 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 doorway 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.

A liquid ejecting apparatus 10 is provided near the door 2 at the entrance for adhering a liquid serving as a mark to the criminal's clothes when the criminal escapes from the store. It is connected to the alarm device 5 via the door control device 6. In FIG. 6, 9a is the alarm device 5
And 9b is a bell.

In the crime prevention 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, escapes toward the entrance and approaches the door 2, the exit human body detection 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, and causes the liquid 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 30
, An injection unit (hereinafter referred to as a main body), 12 is a frame having a U-shaped cross section, and 12a is a bottom plate fixed to the floor surface. Reference numeral 13 denotes a cylinder in which a mixed solution (hereinafter referred to as a liquid) of a fluorescent dye-dyed emulsion, a water-soluble acrylic resin and propylene glycol is filled under pressure with a gas such as nitrogen, and a float is floated on the liquid surface. And
It is fixed to the frame 12 by a plurality of bands 14a, 14b. Reference numeral 15 denotes a normally closed opening valve which is connected to a lower portion of the cylinder 13 and opens the cylinder 13 by the operation of the gas generator 16.
This is a pressure gauge that indicates the internal pressure of the pressure gauge.

Reference numerals 18a and 18b denote one or more holders fixed to the frame 12 at correct positions by screws. One end of each of the holders 18a and 18b is an open valve 15.
Are connected, and the nozzles 20a and 20b are respectively detachably attached. The nozzles 20a and 20b 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 determined by fixing to the holders 18a and 18b. 21 is attached to the holder 18b, and the nozzles 20a,
A pressure switch 22 for detecting the outflow of the liquid ejected from 20b is mounted on the frame 12, a terminal block for transmitting and receiving signals, and 23 is a terminal block 22 and a gas generator 15
Are connected to the terminal block 22 and the pressure switch 2
1 is a signal line for connecting the signal lines. The terminal block 22 is connected to the alarm device 5 via a signal line.

As shown in FIG. 4, the cover 30 to be put on the main body 11 has a large number of small through holes 31 on its front face, for example, a logo of a manufacturing company, a store name or a pattern, and the like. A recess 32 is provided inside the through holes 31a and 31b corresponding to 20a and 20b. In addition, this through-hole 31 is provided with the nozzles 20a, 2
0b may be provided. And cover 3
When the 0 is put on the main body 11, the nozzles 20a and 20b are fitted and positioned in the concave portions 32 as shown in FIG. 3, and the nozzles 20a and 20b face the through holes 31a and 31b. Therefore, when viewed from the front, a large number of through holes 31
, It is not known that the nozzles 20a and 20b exist inside. The cover 30 of the frame 12
If the surface in contact with the nozzle and the front surfaces of the nozzles 20a and 20b are black or dark, the existence of the nozzles 20a and 20b can be made more difficult to understand, which is effective. The dimensional accuracy of the cover 30 may be adjusted by adjusting the dimension between the through holes 31a and 31b to the dimension between the nozzles 20a and 20b, and it is not necessary to precisely adjust the entire dimension.

Numeral 25 denotes a column standing on the bottom plate 12a of the main body 11, and numeral 33 denotes a screw which is screwed into a screw hole 34 provided in the cover 30 so as to face the column 25.
When the front plate of the cover 30 is brought into contact with the column 25 and pulled toward the frame 12, the nozzles 20 a and 20 b can be reliably held in the recess 32. Note that a plurality of the support columns 25 and the screws 33 may be provided in the height direction of the cover 30.

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. 5, the cylinder 13 is filled with a pressurized liquid, and the opening valve 15 is closed. ing. 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 and sends a detection signal to the alarm device 5 via the door control device 6,
The alarm device 5 issues an operation command to the liquid ejecting device 10 based on this signal. This command is applied to the gas generator 16,
The gas generator 16 generates high-pressure gas by this signal,
The release valve 15 is opened.

When the opening valve 15 is opened, the cylinder 13 and the pipe 19 communicate with each other, the pressurized liquid in the cylinder 13 is pushed out to the pipe 19, and the liquid is ejected from the nozzles 20a and 20b toward the perpetrator. Attaches to the offender's clothes.
When the liquid is ejected from the nozzles 20a and 20b and the liquid level of the liquid in the cylinder 13 is lowered, the float which has floated down and closes the passage of the opening valve 15, leaving a part of the liquid in the cylinder 13. The injection is stopped in the state where it is set. This allows the nozzles 20a, 20b
It is prevented from being sprayed from and scattered in all directions. 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.

[0023]

As is apparent from the above description, the liquid ejecting apparatus according to the present invention has a container filled with liquid, a main body having a nozzle for ejecting liquid, and a through hole corresponding to the nozzle on the front surface. Because it was configured with the provided cover,
Since it is excellent in design, it does not feel uncomfortable even when installed in a store or the like, and moreover, a liquid serving as a mark can be reliably ejected to a criminal and attached to clothes or the like. For this reason, it is possible to effectively track, find, and arrest the escaping culprit, and to further enhance the crime prevention effect.

In addition, since a plurality of through holes are provided in the cover, and a smaller number of nozzles than the through holes are used to eject liquid in correspondence with the respective through holes, the position and existence of the nozzles from the outside are difficult to understand. Therefore, the liquid can always be effectively ejected without the nozzle being blocked or broken.

A recess is provided on the inner surface side of the through hole provided corresponding to the nozzle, and a screw is provided on the back surface of the cover so as to abut a support of the main body, so that the nozzle can be positioned when the main body is housed in the cover. Also, by screwing a screw provided on the back surface of the cover and pulling the front plate of the cover toward the main body, the nozzle hole is aligned with the through hole so that the nozzle is securely held in the concave portion. be able to.

Further, since the nozzle is detachably attached to the holder, even if the nozzle hole is closed by dust or the like, only the nozzle needs to be removed and cleaned or replaced. Even if it is closed, cylinders and pipes can be easily removed from the frame by removing the band, so that maintenance and repair are easy. Further, since the nozzle is configured to eject the liquid in a stick shape or a fan shape at a narrow angle, the liquid is ejected only toward the culprit, and does not scatter and adhere to surrounding articles or display items and contaminate. .

[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 front view of FIG. 1;

FIG. 5 is a schematic diagram showing a state where the liquid ejecting apparatus according to the present invention is installed in a store.

FIG. 6 is a block diagram showing the system configuration of FIG. 5;

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 10 Liquid ejecting apparatus 11 Main body 12 Frame 13 Cylinder 15 Release valve 18a, 18b Holder 19 Pipe 20a, 20b Nozzle 25 Prop 30 Cover 31 Through hole 32 Depression 33 Screw

──────────────────────────────────────────────────続 き Continuing on the front page (72) Inventor Jun Fujimoto 6-11-23 Shimorenjaku, Mitaka-shi, Tokyo SECOM Co., Ltd. (72) Jun Uchiyama 4-73-3 Kudanminami, Chiyoda-ku, Tokyo Nomi Disaster Prevention Stock In-house (56) References JP-A-3-156696 (JP, A) JP-A-51-136400 (JP, A) JP-A-57-24680 (JP, U) JP-A-59-118087 (JP, U) (58) Fields surveyed (Int. Cl. ⁷ , DB name) G08B 13/00-15/02

Claims (4)

(57) [Claims] 1. A main body having a container filled with liquid and a nozzle for ejecting the liquid, and a cover having a front surface provided with a through hole corresponding to the nozzle , wherein a plurality of through holes of the cover are provided. Along with the body
A liquid ejecting apparatus comprising a smaller number of nozzles than the through holes . 2. A container to be filled with a liquid and a jet of the liquid.
A main body having a nozzle for emitting light, and a cover having a front surface provided with a through-hole corresponding to the nozzle.
And a recess is provided on the inner surface side of the through hole corresponding to the nozzle.
Both correspond to the support provided on the body on the back of the cover.
A liquid ejecting apparatus provided with a contacting screw . 3. The nozzle can be attached to and detached from a holder fixed to the main body.
The liquid ejecting apparatus according to claim 1 , wherein the liquid ejecting apparatus is attached to a nozzle. 4. The nozzle is shaped like a rod or a fan with a narrow angle.
The fuel injection device according to claim 1, wherein
4. The liquid ejecting apparatus according to 2 or 3 .