JP4321323B2 - Security detection unit - Google Patents

Description

  The invention of this application relates to a security detection unit. More specifically, the invention of this application relates to a new crime prevention detection unit capable of discharging moisture without stagnation inside the body even if moisture enters the body from a sound generating hole such as a speaker. It is.

  2. Description of the Related Art Conventionally, there has been known a crime prevention detection apparatus that detects a situation where an infrared ray is blocked by an intruder by transmitting and receiving infrared rays between them as a beam sensor and transmitting and receiving infrared rays therebetween.

This crime prevention detection device is used as a crime prevention detection device that is attached to an exterior fence installed in a building such as a house, and performs notification or threatening when an intruder gets over the exterior fence to block infrared rays. Has been. Such a security detection device is used outdoors, and when moisture enters the security detection device, the transmitter / receiver board on which the transmitter and receiver are mounted gets wet with moisture, causing failure and malfunction. There was a problem of becoming. Therefore, conventionally, even if moisture has entered the security device (security detection device), by providing a drain hole at the bottom of the security device, water will not stay in the security device, causing malfunctions or malfunctions. A crime prevention device (for example, Patent Document 1) that can be reduced has been proposed.
JP 2003-296830 A

  However, the security device described in Patent Document 1 is not provided with a drain hole at the bottom of the body constituting the security device main body, but for storing the sensor unit of the security device attached to the outdoor side of the entrance door. Since it is provided at the bottom of the housing, it can achieve the problem of reducing short-circuiting (failure) and malfunction of the sensor due to water intrusion, but if moisture enters the body, it will stay inside the body. There is a problem that the reliability of the transmitter / receiver board is lowered due to failure or malfunction.

  Therefore, from the background as described above, the invention of this application solves the conventional problems, and moisture does not stay inside the body even if moisture enters the body from the sound generation hole such as a speaker. It is an issue to provide a new security detection unit that can be discharged to

In order to solve the above-mentioned problems, the invention of this application is firstly provided with a sound generation hole and a moisture vent hole on the upper end side surface of the surface part that is an exposed part of the body constituting the case of the crime prevention detection unit. Provided with a moisture circulation hole for drainage at the bottom of the body, and further, a moisture circulation path space through which moisture passes from the moisture circulation hole to the moisture relief hole is provided inside the body . Provide a detection unit.

In addition, the invention of this application secondly provides a moisture guide hole that allows the speaker presser for mounting the speaker to the body to communicate with the moisture release hole.

According to the first invention of this application as described above, even when moisture enters the inside of the body from a sound generating hole such as a speaker, the moisture can be discharged outside without staying inside the body. Further, moisture can be discharged to the outside more effectively.

Further, according to the second invention, in addition to the effect of the first invention, moisture can be effectively discharged from the speaker mounting portion to the outside.

  The invention of this application has the features as described above. Hereinafter, embodiments of the invention of this application will be described in detail and specifically with reference to the accompanying drawings.

  FIG. 1 is an overall exploded perspective view illustrating an embodiment of the crime prevention detection unit of the invention of this application. 2 is an enlarged perspective view of a main part illustrating the surface side in the vicinity of the sound generation hole of the crime prevention detection unit of FIG. FIG. 3 is an enlarged perspective view of a main part illustrating the back side near the sound generation hole of the crime prevention detection unit of FIG.

Referring to FIGS. 1, 2 and 3, the body (11) constituting the case of the crime prevention detection unit (1) of the invention of this application includes a receiving side body (11a) having a receiver and a transmission. And a transmitting body (11b) having a child. On the surface of the body (11), that is, the receiving body (11a) or the transmitting body (11b), as an opening (2), sound for transmitting various sounds from the speaker (6) to the outside A moisture release hole (22) is provided together with the generation hole (21), and a moisture circulation hole (23) also serving as a drain is provided in the bottom (12) of the body (11).

  And the detection unit for crime prevention (1) of the invention of this application is a moisture distribution which is also used as a drain hole at the bottom (12) of the body (11) (reception side body (11a) or transmission side body (11b)). A hole (23) is provided. By providing the moisture circulation hole (23) in this way, the moisture rising from the inside of the crime prevention detection unit (1) is indicated by an arrow and the moisture vent hole (23) is passed through the moisture circulation hole (23). 22) can be efficiently discharged to the outside. In addition, since the moisture circulation hole (23) also serves as a drain hole as described above, water does not stay at the bottom (12) of the body (11), and the water efficiently flows. Can be removed.

  At this time, in the crime prevention detection unit (1) of the invention of this application, as indicated by the arrow, the moisture passage route space through which moisture passes from the moisture passage hole (23) to the moisture release hole (22) is formed in the body (11 ), The humidity can easily rise and flow smoothly to the outside and be discharged.

  In FIG. 1, the sound generation hole (21) and the moisture release hole (22) as the opening (2) are illustrated in the embodiment provided in the reception body (11a). It may be provided on the body (11b). Moreover, both the receiving side body (11a) and the transmitting side body (11b), and further, a plurality of openings (2) may be provided. Further, the location of the moisture circulation hole (23) is not limited to the receiving body (11a) as in the case of the sound generation hole (21) and the moisture release hole (22). .

  Since the crime prevention detection unit (1) of the invention of this application has the above-described configuration, the moisture inside the body (11) is efficiently discharged to the outside, and the moisture stays inside the body (11). There is nothing to do. For this reason, it is possible to reduce a malfunction or malfunction caused by wetting of a transmitter / receiver board (not shown) disposed between the receiving body (11a) and the transmitting body (11b), thereby preventing crime. The reliability as the detection unit (1) can be maintained. Note that the shape of the opening (2) on the surface side of the body (11) is, for example, a shape that opens downward as shown in FIG. Can be more effectively suppressed.

  FIG. 4 is an essential part exploded perspective view illustrating a state in which various members are arranged in the crime prevention detection unit of the invention of this application. FIG. 5 is an essential part enlarged perspective view illustrating a state in which various members are disposed in the crime prevention detection unit of the invention of this application.

  As shown in FIGS. 4 and 5, the crime prevention detection unit (1) of the invention of this application is provided with a speaker (6) that emits a warning sound, alarm sound, sound, etc. when a suspicious person enters. In order to efficiently discharge the moisture to the outside, the moisture guide hole (51) is provided in the speaker presser (5) to which the speaker (6) is attached so as to communicate with the moisture release hole (22). Is effective. Specifically, for example, the back side of the body (11) (reception side body (11a) or transmission side body (11b)), more specifically, the moisture generation hole (22) is provided together with the sound generation hole (21). As illustrated in FIG. 4, on the back side of the opening (2), the following various members, that is, a water repellent sheet (3) that prevents moisture from entering from the outside, and a packing material that holds the water repellent sheet (3) ( 4) Then, the speaker presser (5) having a moisture guide hole (51) for securely pressing the water repellent sheet (3) through the speaker (6) and the packing material (4) is overlapped. Has been established.

  Then, the fixed claw (52) formed on the speaker presser (5) is fitted into the fixed claw receiving portion (13) of the body (11), and the various members are screwed (7) through the screw holes (53). ) To secure the installation. Since this speaker retainer (5) has a spring property, the water repellent sheet (3) can be securely pressed through the speaker (6) and the packing material (4) by fixing the screw (7). Various members described above can be installed. With such an installation configuration, even when the speaker (6) is installed, moisture inside the security detection unit (1) can be efficiently discharged to the outside, and the security detection unit (1) Moisture does not stay inside. Further, the presence of the water-repellent sheet (3) can also prevent moisture from entering from the outside. Furthermore, the packing material (4) has not only a water repellent effect but also an effect of stabilizing the vibration of the speaker (6).

  In addition, if this water-repellent sheet (3) has a water-repellent function with respect to water and moisture like a nonwoven fabric etc., the material, a shape, etc. will not be specifically limited. Further, the packing material (4) is not particularly limited to the material or shape thereof. For example, the material is preferably a rubber material, a silicon material or the like having elasticity, and the water repellent sheet (3) is particularly water-like. It is more preferable if it has a water repellent effect against moisture and moisture. About the shape of packing material (4), it is preferable to set it as the substantially same external shape as a water-repellent sheet (3).

  Further, the speaker presser (5) is not particularly limited. For example, the material is preferably a material having an appropriate rigidity and elasticity (ie, spring property) such as a resin material or a metal material. The shape is preferably a size that can cover the water repellent sheet (3), the packing material (4), and the like.

  Of course, the security detection unit (1) of the invention of this application is not limited to the above examples.

It is the whole exploded perspective view which illustrated one embodiment of the detection unit for crime prevention of the invention of this application. FIG. 2 is an enlarged perspective view of a main part illustrating the surface side near the sound generation hole of the crime prevention detection unit of FIG. 1. FIG. 2 is an essential part enlarged perspective view illustrating the back side near the sound generation hole of the crime prevention detection unit of FIG. 1. It is the principal part disassembled perspective view which illustrated the state which arrange | positions various members to the detection unit for crime prevention of the invention of this application. It is a principal part expansion perspective view which illustrated the state where various members were arranged in the detection unit for crime prevention of the invention of this application.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Security detection unit 11 Body 11a Reception side body 11b Transmission side body 12 Bottom part 13 Fixed claw receiving part 2 Opening part 21 Sound generation hole 22 Moisture release hole 23 Moisture distribution hole 3 Water repellent sheet 4 Packing material 5 Speaker retainer 51 Moisture Guide hole 52 Fixing claw 53 Screw hole 6 Speaker 7 Screw

Claims (2)

Provide a moisture generation hole along with the sound generation hole on the side of the upper end of the surface part that is the exposed part of the body that constitutes the case of the crime prevention detection unit, and provide a moisture circulation hole for draining at the bottom of the body , A crime prevention detection unit characterized in that a moisture circulation path space through which moisture passes from the moisture circulation hole to the moisture vent hole is provided in the body . The crime prevention detection unit according to claim 1 , wherein a moisture holding hole that communicates with the moisture releasing hole is provided in a speaker presser for mounting the speaker on the body .