JPH09172934A - Termite detector and detective system using the same - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a termite detector and a detective system using the same, with no need of any know-how or expertise, capable of finding termite damage in an early stage by their installation along the periphery of a building, thus capable of preventing building damage or its magnification. SOLUTION: This termite detector is made up of a cylindrical outer case 2 having a hole for termite intrusion, wood 3 as termite feed held in the outer case 2, a lid 5 placed above the wood 3 and the outer case 2, a coil spring 6 with the base end of its contractile direction fixed inside the lid 5, and a stylus 7 fixed on the tip of the coil spring 6 and energized so as to press on the wood 3. For the wood 3, a piece of wood cut perpendicularly to the tree annual ring plane is used, and the tip of the stylus 7 is brought into contact with a portion of a soft early wood between annual rings adjacent to each other.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a detecting device for termites that damage buildings, timber, etc. and a detecting system using the same.

[0002]

2. Description of the Related Art Termites include subterranean termites such as house termites and yamato termites, drywood termites and drywood termites, and American termites. The termites of the termites and the termites of the United States have the habit of spoiling low-moisture content wood and invading wood and buildings sporadically without constructing an ant path. . And
These termites were less likely to be found in the early stages, and were found in the early spring due to the habit of flying large groups out of their nests. In addition, as another method of detecting termites, an inspector with specialized knowledge has also been used to determine the presence and degree of damage by visual inspection, palpation, or a method of detecting termite eating noise, etc. .

[0003]

However, when termites fly in large numbers, the damage to the wood and the building has often progressed considerably, and it has often been difficult to deal with the damage. In addition, the method in which the inspector detects the eating noise is effective only during a certain period during which termite activity is active, and cannot be used throughout the period.
In addition, there is a problem that it takes a huge amount of money to cover an entire building in a method in which an inspector visually detects and palpates a termite.

[0004] The present invention has been made to solve such a conventional problem, and an object of the present invention is to install termites around a building without requiring specialized knowledge and techniques, thereby preventing termites from being damaged by termites. Can be discovered early,
An object of the present invention is to provide a termite detection device and a detection system using the same that can prevent the damage or prevent the damage from spreading.

[0005]

According to a first aspect of the present invention, there is provided a termite detecting device, comprising:
A cylindrical outer case having a hole for entering termites, a termite edible wood housed in the outer case, a lid arranged above the wood and the outer case, and a retractable direction inside the lid. A termite detection device comprising: a coil spring having a fixed base end; and a stylus fixed to the tip of the coil spring and biased in a state of being pressed against the wood. Is used wood cut vertically from the annual ring surface, the tip of the stylus is abutted on the soft spring material portion between the annual ring and the annual ring, by eating the soft spring material portion, The stylus penetrates into the portion damaged by the repulsive force of the coil spring, and the switch of the electric circuit is activated by the movement of the stylus to detect the termite damage.

In the termite detection system according to the second aspect of the present invention, the termite detection device is installed in the ground around the building and at a plurality of positions inside the building, and the switch of the electric circuit is switched by the wood in the termite detection device being damaged. It is configured to be in a conductive state and to activate the alarm means of the detection device that has been eaten and the external alarm means.

In the termite detection device according to the first aspect of the present invention, when the termites damage the wood, the stylus penetrates into the damaged portion and actuates the switch of the electric circuit. It is possible to automatically detect the feeding damage of termites without depending. In addition, by utilizing the habit of preying on the soft springwood part between the annual rings of termite wood and the annual ring, the soft part is abutted while pressing the stylus, so it is sensitive to termite damage. In response to
It is possible to quickly detect the feeding damage of termites. Also,
By providing warning means such as a light alarm and a voice alarm, and by notifying this signal to the management center through a telephone line, quick disinfection processing can be performed.

In the termite detection system according to claim 2, since a plurality of termite detection devices are installed around the building,
Even if sporadic feeding damage occurs, if one of the detection devices causes feeding damage, it is possible to detect the invasion of termites and automatically detect the feeding damage of termites without a specialist inspector. In addition to being able to do so, the damaged portion can be specified and detected. Further, by providing warning means such as a light alarm and a voice alarm, and further by notifying the management center through a telephone line, quick disinfection processing can be performed.

[0009]

BEST MODE FOR CARRYING OUT THE INVENTION A termite detecting device and a detecting system using the same according to the present invention will be described below in detail with reference to the drawings. 1 is a cross-sectional view showing a termite detection device, FIG. 2 is an exploded perspective view showing a termite detection device, and FIG.
Is a top perspective view of the wood stored in the outer case, and FIG. 4 is a block diagram showing a termite detection system.

As shown in FIGS. 1 to 3, a termite detecting device A according to an embodiment of the present invention is housed in a cylindrical outer case 2 having a hole 1 for entering a termite, and the outer case 2. Two termite edible woods 3, a wood guide member 4 that guides the two woods 3, a lid 5 arranged above the wood 3 and the outer case 2, and a retractable member inside the lid 5. Formed by having a coil spring 6 whose base end in the direction is fixed and a stylus 7 fixed to the tip end of the coil spring 6, and the wood 3 used is wood cut vertically from an annual ring surface 8. The tip of the stylus 7 is brought into contact with the portion of the soft spring material 10 between the annual rings 9 and 9, and the soft spring material 10
When the portion of the stylus 7 is eaten, the stylus 7 rushes into the portion that is eaten by the repulsive force of the coil spring 6, and the stylus 7
Is moved so that the switch of the electric circuit becomes conductive.

The outer case 2 and the lid 5 are made of a synthetic resin or the like which is resistant to climate change such as wind and rain, ultraviolet rays, and corrosion. 12 are formed, and the outer periphery 11 of the other upper portion is closed without an opening. Further, rectangular holes 1 for entering termites are formed in a lattice shape on the lower outer circumference of the upper part 11 and the lower end 13 is sharpened and a hole 14 is formed at the tip thereof. Outer circumference 11 of this upper part
Due to the fact that the outer case 2 portion is buried in the ground 15 and installed, the termite detection device A
Is closed by the lid 5 and the outer periphery 11 of the upper part,
It is possible to prevent rainwater from entering the ground and insects other than termites.

On the inside of the lid 5, two engaging pieces 17 each having a convex portion 16 for engaging with the outer case 2 are provided in a protruding manner, and a coil spring of an electric conductor is provided at a substantially central portion. A base end of 6 is fixed by a screw 18 and a nut 19 of an electric conductor, and a coil spring 6 is provided so as to extend and contract vertically from a lid 5 in a vertically movable manner. A lead wire 20 is connected to the base end of the coil spring 6 through the lid 5 with a screw 18 and a nut 19. The stylus 7 is formed of a plunger portion 7a made of an insulator made of a thin rod-shaped tree and a needle portion 22 protruding from the tip of the plunger portion 7a.
The base end portion of a is fixed to the tip end portion of the coil spring 6 via a pin 21, and the tip end of the needle portion 22 is bent and formed into a round shape so as to be easily slipped. And the needle portion 22 is
While being pressed against the concave portion 23 of the wooden piece 3, the coil spring 6 urges and abuts the concave portion 23 of the wooden piece 3. The pin 21 is formed of an electric conductor, and the coil spring 6 and the pin 21 are electrically connected.

Inside the lid 5 adjacent to the coil spring 6, a Z-shaped metal fitting 26 is provided by a screw 24 and a nut 25.
The base end bent portion 27 is fixed, and the base end bent portion 27
The screw 24 that fixes is penetrated through the lid 5, and the lead wire 28 is connected by the nut 25. The Z-shaped bracket 2
6, the tip bending portion 29 and the base bending portion 27 are bent at a right angle, the base bending portion 27 is fixed to the lid, the central portion 30 extends vertically from the lid 5, and the tip bending portion 29 is used for inserting the stylus 7. It has a hole 31 and is arranged at a position intersecting with the extension direction of the coil spring 6. The stylus 7 in the hole 31.
Is inserted and the tip thereof is in contact with the wood 3. When the coil spring 6 in the compressed state expands, the tip end of the coil spring 6 and the tip bent portion of the Z-shaped metal fitting 26 are configured to come into contact with each other via the pin 21, and the pin 21 and the tip bent portion 29 of the Z-shaped metal fitting 26 make contact with each other. When the switch 32 is formed and the pin 21 and the tip bent portion 29 of the Z-shaped metal fitting 26 come into contact with each other, the lead wire 20 and the lead wire 28 are brought into conduction, and an alarm means such as an optical alarm or a voice alarm is activated.

Two pieces of the wood 3 are accommodated in the outer case 2 by being guided by the wood guide member 4, and one of them has a recess 23 for contact with a stylus. The formation position of the recess will be described with reference to FIG. The tree has annual rings 9, and when the tree is cut perpendicularly to the length direction, an annual ring surface 8 is formed on the cut surface. The timber 3 is formed by vertically cutting the annual ring surface 8 from the annual ring surface 8 to form a rectangle, and the timber 3 has an annual ring 9 portion called autumn wood and a spring wood 10 on the upper end surface. Called annual ring 9
The annual ring surface 8 having a space between the annual ring 9 and the annual ring 9 is formed. And since the part between the annual rings 9 called the spring material 10 is relatively soft, feeding damage by termites easily occurs,
By contacting the tip of the stylus 7 against this portion while pressing it, when a termite invades, the portion of this spring wood is first eaten, and a void is created, which makes the timber 3 fragile.
The repulsive force of the coil spring 6 causes the stylus 7 to rush into and detect the intrusion of termites. The spring material 10 at the upper end of the wood 3 is provided with a recess 2 for contacting the stylus 7.
3 is formed, and the tip of the stylus 7 is configured to surely contact the portion of the spring material 10.

Next, the operation of the termite detection device of the present embodiment will be described. The wood 3 is housed in the outer case 2 together with the wood guide member 4, and the tip of the stylus 7 is brought into contact with the recess 23 of the wood 3 to align the engaging piece 17 of the lid 5 with the engaging hole 12 of the outer case. Then, the outer case 2 and the lid 5 are fixed. When the termite detecting device A is buried in the ground 15 after connecting the lead wires 20 and 28 to the power supply and the alarm means, the termites inhabiting the ground enter from the outer case 2 through the termite entrance hole 1. , Wood 3 in the outer case 2
Feed on. When the wood 3 becomes fragile due to the feeding damage of the termites, the stylus 7 biased while being pressed against the wood 3 rushes due to the repulsive force of the coil spring 6, and the pin 21 at the tip of the coil spring 6 and the Z-shaped metal fitting 26 are The tip bent portion 29 comes into contact with the lead wires 20 and 28 to bring them into a conductive state, and an alarm means such as a light or an audio alarm is activated. By detecting this alarm, it is possible to take measures to exterminate termites.
As a warning means, a feeding signal may be communicated to the management center through a telephone line, and a signpost pheromone, which is a termite attraction pheromone, etc., may be provided in the termite detection device A in order to enhance the incentive force of termites. You may put it in. The termite detection device A may be installed around or inside a roof, wall, pillar or the like of a building, and in this case also, the same operation as when buried in the ground is achieved.

In the termite detection device A of the present embodiment, the outer periphery 11 of the upper part of the outer case 2 is closed, so that it is difficult for rain to enter from the ground surface when installed in the ground, and Other insects such as slugs do not invade and thus do not interfere with termite detection. Further, since the wire 22 is arranged at the tip of the stylus 7 and the tip is formed into a round shape so as to be slippery, when the wood 3 is damaged by termites and the wood 3 becomes fragile, the coil spring 6 repels. It can rush in smoothly by force and sensitively detect the intrusion of termites.

Next, a termite detection system according to the embodiment of the present invention will be described with reference to FIG. The termite detection system B according to the present embodiment includes the termite detection device A described in the above-described embodiment, which is used in the garden around the building, under the eaves, under the floor, etc., and around the roof, walls, pillars, etc. inside the building and its surroundings. A plurality of them are installed at appropriate positions inside, and when the termite eats the bait of the detection device, the feeding damage is detected and converted into an electric signal to notify the feeding damage of the termites. The termite detection system B is the power source 3
3, a diode 34 for passing a current in a predetermined direction, a light emitting diode 34a individually provided in each termite detection device A, and a general display device 35 including a light emitting diode 34b that integrates the entire detection device. age,
The integrated display device 35 is installed in a prominent place in the building,
When the light emitting diode 34b of the integrated display device 35 is turned on, it is immediately discovered.

In the termite detection system B, when the feeding damage of the termites occurs, the light emitting diode 34a provided individually lights up, and the light emitting diode 34b of the integrated display device 35 also lights up. It is possible to know that feeding damage has occurred, and by lighting the individual light emitting diodes 34a, it is possible to specify the portion that has been eaten, and to perform intensive extermination treatment of the portion that has been eaten by termites. In addition, as the power source 33 described in the present embodiment, it is possible to use a domestic outlet, a dry battery, a storage battery, a solar battery, or the like, and as the termite edible food, paper 3 in addition to the wood 3, It is also possible to use Styrofoam,
In addition to the light emitting diodes 34a and 34b as the light emitting body, a light bulb or the like may be used, and as the alarm means, other than the light emitting body,
It may be a voice alarm. And the integrated display device 3
Instead of 5, the telephone line may be used to notify the management center.

The embodiments of the present invention have been described above. However, the specific configuration of the present invention is not limited to the embodiments, and there may be design changes or the like within a range not departing from the gist of the invention. This is also included in the present invention. For example, in the termite detection device A of the above-described embodiment, the switch of the electric circuit is configured to be in the conductive state when the stylus penetrates into the wood. However, the present invention is not limited to this, and the stylus may penetrate into the wood. Therefore, the electric circuit may be in a cutoff state, and the present invention includes a structure in which the power is turned on at the time of inspection to confirm that the power supply is in the cutoff state, and the termite feeding damage is detected. Further, it is also possible to use a micro switch as the switch described in the above-mentioned embodiment, and the micro switch may be brought into a conductive state when the stylus sinks into the wood, and the termite detection device may be activated. Further, in the above-described embodiment, the case where the termite detection device A is installed in the vertical direction has been described, but it is also possible to install the termite detection device A in the horizontal direction, and the action and effect in that case are the same as those in the above-described embodiment. Becomes Further, in the above-mentioned embodiment, the concave portion is formed in the upper part of the wood, and the tip of the stylus is in contact with the concave portion. However, this concave portion may not be formed. The present invention is included in the present invention as long as it is in contact with the portion of the soft spring material in between. In the present invention, a leaf spring, rubber or the like can be used in addition to the coil spring as the structure in which the stylus is biased by the repulsive force of the coil spring.

[0020]

As described above, in the termite detecting device according to the first aspect of the present invention, since the termites damage the wood, the stylus penetrates to activate the switch of the electric circuit. It is possible to automatically detect the feeding damage of termites without relying on the inspector, and prevent serious damage to the building. In addition, by utilizing the habit of preying on the soft springwood part between the annual rings of termite wood and the annual ring, the soft part is abutted while pressing the stylus, so it is sensitive to termite damage. In response to, it is possible to detect termite feeding damage quickly. Further, by providing an alarm means such as a light alarm and a voice alarm, and further, by notifying the management center through a telephone line, it is possible to obtain an effect such that quick disinfection processing can be performed.

In the termite detection system according to the second aspect of the present invention, since a plurality of termite detection devices are installed around the building, even if sporadic food damage may occur, one of the detection devices will be damaged. By doing so, it is possible to detect the invasion of termites, it is possible to automatically detect the feeding damage of the termites without the need for a specialist inspector, and it is possible to specify and detect the damaged portion. Further, by providing an alarm means such as a light alarm and a voice alarm, and further, by notifying the management center through a telephone line, it is possible to obtain an effect such that quick disinfection processing can be performed.

[Brief description of the drawings]

FIG. 1 is a cross-sectional view showing a termite detection device.

FIG. 2 is an exploded perspective view showing a termite detection device.

FIG. 3 is a top perspective view of wood stored in the outer case.

FIG. 4 is a block diagram showing a termite detection system.

[Explanation of symbols]

 A termite detection device B termite detection system 1 hole 2 outer case 3 wood 4 wood guide member 5 lid 6 coil spring 7 stylus 8 year wheel surface 9 year ring 10 spring material 11 outer circumference 12 hole 13 lower end 14 hole 15 upper ground 16 Convex part 17 Engagement piece 18 Screw 19 Nut 20 Lead wire 21 Pin 22 Wire 23 Recessed part 24 Screw 25 Nut 26 Z type metal fitting 27 Base end bent part 28 Lead wire 29 Tip bent part 30 Central part 31 Hole 32 Switch 33 Power supply 34 Diode 34a Light emitting diode 34b Light emitting diode 35 Total display device

Claims (2)

[Claims] 1. A tubular outer case having a hole for entering termites, termite edible wood contained in the outer case, a lid arranged above the wood and the outer case, and a lid of the lid. A termite detecting device having a coil spring having a base end fixed in an expansion / contraction direction and a stylus fixed to a tip end portion of the coil spring and biased in a state of being pressed against the wood. Then, the wood is a wood cut vertically from the annual ring surface, the tip of the stylus is in contact with the soft spring material portion between the annual rings and the soft spring material portion is damaged by feeding. As a result, the stylus rushes into the part damaged by the repulsive force of the coil spring, and the switch of the electric circuit is activated by the movement of the stylus to detect the termite eating damage. apparatus. 2. A detection device which is installed in the ground around a building or at a plurality of locations inside the building, and switches in an electric circuit are brought into conduction by the wood inside the termite detection device being eaten, thereby causing damage to the detection device. The termite detection system is characterized by activating the alarm means and the external alarm means.