JP2002349074A - Under floor check method for house and floor structure having under floor checking open-and-close plug hole - Google Patents

Abstract

PROBLEM TO BE SOLVED: To make it possible for anyone to check out an under floor easily and safely without crawling under the floor. SOLUTION: Upon constructing a house, an under floor checking open-and- close plug hole 8 is drilled and is closed with an open-and-close plug 12, the open-and-close plug hole 8 penetrating through a flooring 7 and a heat insulating material 6. When the under floor is checked out, the open-and-close plug 12 is removed to open the under floor checking open-and-close plug hole 8, into which a temperature sensor, gas sensor or the like is inserted to measure humidity, gas concentration, etc., and a measurement is recorded in a notebook personal computer. Next, the objective lens 9b of a fiber scope 9 is inserted into the under floor checking open-and-close plug 8, where the objective lens 9b is directed to wooden parts, such as a post 2, sill 3 and the like, to check if there is any corrosion or termite damage while confirming the position of the objective lens by observing the liquid crystal display of the personal computer 10. As the image of the under floor and the measurements acquired by the sensor are shown to an owner, the situation of the under floor is explained and a countermeasure and the like is suggested.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an underfloor inspection method for a house and a floor structure provided with an underfloor inspection opening / closing plug.

[0002]

2. Description of the Related Art Conventionally, when investigating decay of wood under the floor, such as large-scale pulling and bundling, termite damage and water leakage of equipment pipes, or measuring the underfloor environment, a rectangle previously provided on a tatami floor of a Japanese-style room is used. In general, a method of observing and confirming under a floor from an underfloor inspection port is performed.

[0003]

However, the underfloor of the house is narrow and the effective height is low, so that it is very difficult for a person to sneak under the floor and perform a lateral movement, and time and labor are unexpectedly increased. The work was inefficient. In addition, under floors with poor ventilation and ventilation, if people are forced to crawl on the soil and move, measure and inspect,
In addition to soiling clothes, inhaling organophosphate and pyrethroid insecticides (termiticides) harmful to the human body through the respiratory tract is likely to cause chronic poisoning, reduced immunity, and autonomic imbalance symptoms. . In addition, the underfloor is divided into a plurality of sections by a partition foundation. Due to the structure, it is not possible to move to the section blocked by the partition foundation, so the inspection points are limited and the inspection must be incomplete.

SUMMARY OF THE INVENTION The present invention has been made in view of the above-mentioned problems, and it is an object of the present invention to make it possible for anyone to easily, safely, and efficiently inspect an underfloor without going under the floor. It is an object of the present invention to provide a method of inspecting underfloor of a house which can be performed well and a floor structure provided with an underfloor point opening / closing plug.

[0005]

In order to achieve the above object, according to the underfloor inspection method according to the first aspect of the present invention, when a house is constructed, an underfloor inspection that preliminarily penetrates from the floor in the first floor room to the underfloor is performed. In order to perform inspection, remove the opening / closing stopper and open the underfloor inspection hole, and use the underfloor inspection hole to access the imaging device such as a fiberscope and the underfloor from the underfloor inspection hole. An environment detection sensor is inserted, and an image of the inspection location and its position obtained from the photographing device and a measurement value of the underfloor environment detection sensor are displayed on a monitor to perform inspection and measurement under the floor.

In the floor structure having the underfloor inspection opening / closing plug according to the second aspect, a hole for underfloor inspection that penetrates from the floor surface in the first floor room to the floor below and that can be closed using the opening / closing stopper is drilled. It is characterized by being provided.

According to a third aspect of the present invention, in the floor structure having the underfloor inspection opening / closing plug according to the second aspect, one end is connected to a lower end of the underfloor inspection opening / closing stopper, and the other end is close to the inspection location under the floor. And a cylindrical guide member provided in the above manner.

According to a fourth aspect of the present invention, in the floor structure provided with the underfloor inspection opening / closing plug according to the second or third aspect,
The underfloor inspection opening / closing stopper is provided one by one above each section under the floor partitioned by the partition foundation.

[0009]

[Operation and Effect] In the underfloor inspection method according to the first aspect,
At the time of inspection, the opening / closing stopper is removed and the opening / closing stopper for underfloor inspection is opened, and the imaging device and the underfloor environment detection sensor are inserted into the opening / closing stopper for underfloor inspection. Then, the objective lens of the photographing apparatus is brought as close as possible to a wooden part such as a pull-out or a bunch to check for decay of the wooden part or damage to termites, and various information under the floor is obtained by an under-floor environment detection sensor. In addition, as a photographing device,
For example, by using a fiberscope, a CCD camera, or the like, it is possible to make the diameter of the opening / closing plug for underfloor inspection smaller and to take an image with the objective lens closer to the inspection position. As the underfloor environment detection sensor, for example, a humidity sensor for measuring the humidity under the floor, a gas sensor for measuring the residual concentration of a termite-controlling agent, a termite-inhibiting agent, a wood preservative, and the like are used. The underfloor image and the underfloor environment detection sensor obtained by the above operation are displayed on a monitor such as a personal computer or a television, and the results are explained to the owner, and a description of the situation and a proposal of a countermeasure are made.

Therefore, in the underfloor inspection method of the present invention, the labor and labor can be greatly reduced as compared with the conventional method in which the tatami or the floorboard is peeled off, and the user descends under the floor and crawls and works. Further, it is possible to avoid the danger that the worker sucks the medicine such as the termiticide sprayed under the floor. Moreover, anyone can easily do it without skill,
Since the work can be performed efficiently, the maintenance and management of the building becomes easy. In addition, the inspection can be performed over a wide range without limiting the inspection location within the reach of the imaging device, so that a highly reliable and reliable inspection can be performed.

[0011] Further, since the underfloor image and the measured value of the underfloor environment detection sensor are displayed on a monitor, the owner can explain the situation in real time while showing the actual image, so that the owner can grasp the situation under the floor. It is easy to obtain the owner's consent when presenting a countermeasure such as termite extermination work.

In the floor structure having an underfloor inspection opening / closing plug according to the second aspect, the underfloor inspection opening / closing plug is opened by opening / closing the underfloor inspection opening / closing stopper when the underfloor inspection is performed. By inserting an imaging device such as a scope and an underfloor environment detection sensor such as a humidity sensor and a gas sensor, the situation under the floor can be checked without diving under the floor. Therefore, there is an effect that a building with easy maintenance can be formed. In addition, the underfloor inspection opening / closing stopper can be used when spraying a termite remover or a soil treatment agent.

In the floor structure having the underfloor inspection opening / closing plug according to the third aspect of the present invention, the objective lens at the tip of the fiberscope reaches the inspection position simply by inserting and pushing the fiberscope into the guide member. be able to. Therefore, there is no need to use a fiberscope incorporating an operation wire to move the objective lens to the inspection position while looking through the eyepiece, so that the inspection time can be reduced.

Further, as in the floor structure having the underfloor inspection opening / closing plug according to the fourth aspect, one underfloor inspection opening / closing stopper is provided for each section partitioned by the partition foundation, so that the underfloor inspection opening / closing stopper is provided. Inspection of all underfloor compartments partitioned by partition foundations is possible while minimizing the number of closures.

[0015]

Embodiments of the present invention will be described below with reference to the drawings. (Embodiment 1) FIG. 1 is a side view showing a floor structure provided with an underfloor inspection opening / closing plug according to Embodiment 1. In the figure,
1 is a cloth foundation, 2 is a bundle, 3 is a base, 4 is a large scale, 5 is a joist, 6 is a heat insulating material, 7 is a flooring, 8 is an opening / closing stopper for underfloor inspection, 9 is a fiberscope (imaging device), and 10 is A notebook personal computer 11 is a light source device.

The underfloor inspection opening / closing plug 8 is for inserting the fiber scope 9 and an underfloor environment detection sensor (temperature sensor, humidity sensor, gas sensor, etc.) underfloor to perform underfloor inspection. It is a cylindrical thin hole vertically penetrating the flooring 7 and the heat insulating material 6 from the indoor floor surface of the first floor to the floor below. This opening / closing plug for underfloor inspection 8
Normally, it is closed by a resin opening / closing stopper 12 shown in FIG. A male screw portion 12a is formed at the periphery of the opening / closing plug 12, while a female female screw portion 8a made of metal is embedded at the periphery of the underfloor inspection opening / closing plug 8, and the opening / closing plug 12 is screwed and closed. It has become. Further, a slit 12b is provided on the upper surface of the opening / closing plug 12, and can be easily attached to and detached from the underfloor inspection opening / closing plug 8 using a driver. After the cap is closed, the rubber cap 1
3 so that the underfloor check opening / closing plug 8 is not noticeable. The rubber cap 13 is made of, for example, the flooring 7.
It is formed of a flexible material such as urethane rubber or silicon rubber of the same color as the above.

The fiber scope 9 is for viewing an image under the floor, and is formed in a cylindrical shape in which one end of the eyepiece 9a can be gripped, and the other end of the objective lens 9b is a bundle of optical fibers. It is an endoscope formed in a shape. The fiber scope 9 incorporates several wires for moving the distal end of the objective lens 9b in an arbitrary direction, and can be operated from the eyepiece 9a.

In this embodiment, the eyepiece 9a is connected to the image input terminal of the notebook computer 10, and the image of the inspection location is displayed on the liquid crystal display. The notebook computer 10 is for displaying and recording an underfloor image obtained from the fiber scope 9 and a measured value of the underfloor environment detecting sensor. The light source device 11 is for transmitting light to an end probe of the fiberscope 9 via a light guide cable, and has a structure in which a high-intensity halogen lamp is mounted and light amount can be adjusted.

Next, an underfloor inspection method according to this embodiment will be described. First, the rubber cap 13 that covers the opening / closing stopper 12 is removed, and the opening / closing stopper 12 is removed using a screwdriver to open the underfloor inspection opening / closing stopper 8. An underfloor environment detection sensor such as a temperature sensor, a humidity sensor, and a gas sensor is inserted into the underfloor inspection opening / closing plug 8, and the underfloor temperature, humidity, and gas concentrations of termite control agents, wood preservatives, and the like are measured. The measured value of the sensor is taken into the notebook computer 10, and the measured value and the analysis result are displayed on the liquid crystal display.

Next, the fiber scope 9 is inserted into the underfloor inspection opening / closing stopper 8 from the objective lens 9b side, and the eyepiece 9a is inserted.
While observing the position on the display of the notebook computer 10 and operating the wire from the eyepiece 9a side, the objective lens 9b is brought close to a wooden part such as a large-scale 4 or a joist 5 to check for decay of the wooden part or termite damage. Inspection to. This work is performed evenly within the reach of the fiber scope 9, and care is taken so that there is no omission in inspection.

As described above, in the underfloor inspection method of the present embodiment, the underfloor inspection opening / closing plug 8 is opened and the underfloor environment detection sensor (temperature sensor, humidity sensor, etc.) and the fiber scope 9 are placed under the floor. Just by inserting, anyone can easily perform underfloor inspection work. Therefore, compared with the conventional inspection method in which the tatami or the underfloor is peeled off and the user descends under the floor and crawls under the floor to perform the work, the effect of greatly reducing labor and labor can be obtained. In addition, the underfloor image and sensor readings are displayed on the liquid crystal display, allowing the residents to explain the situation and propose future countermeasures while showing it to the residents, so that the residents can easily grasp the situation under the floor, The reliability of inspection work is improved.

(Embodiment 2) Next, Embodiment 2 will be described. In the present embodiment, the same components as those in the first embodiment are denoted by the same reference numerals as those in the first embodiment, and a specific description thereof will be omitted. FIG. 3 is a side view showing a floor structure provided with an underfloor inspection opening / closing stopper according to the second embodiment, and FIG. 4 is a plan view (a) and a side view (b) showing the underfloor inspection opening / closing stopper. In the present embodiment, four guide pipes (guide members) are suspended from the joist 5 at the lower end of the underfloor inspection opening / closing plug 14 pierced on the floor, with one end facing the wooden part inspection location under the floor. 15 is different from the first embodiment in that the other end of the 15 is connected.

The underfloor inspection opening / closing plug 14 is provided so as to penetrate the heat insulating material 6 and the flooring 7 vertically.
A metal cup 17 having a substantially U-shaped cross section is embedded in the inner peripheral edge thereof. On the bottom surface of the cup 17, four openings 17a are provided, and one end of the guide pipe 15 is connected. A female screw portion 17b is formed on the inner peripheral side of the side portion of the cup 17. The underfloor inspection opening / closing stopper 14 is normally closed by a resin opening / closing stopper 18 formed in a substantially cylindrical shape. This closure 1
On the periphery of 8, a male screw portion 18a that can be screwed with the female screw portion 17b of the cup 17 is formed. In addition, a slit (not shown) is formed on the upper surface of the opening / closing stopper 18 so that the opening / closing stopper 18 can be easily attached and detached using a coin or the like. At the time of closing, a woodgrain-like seal 19 is attached to the upper surface of the opening / closing stopper 18 so that the underfloor inspection opening / closing stopper 14 is not noticeable.

The guide pipe 15 guides the objective lens 16b of the fiberscope 16 from the underfloor inspection opening plug 14 to the wood inspection point, and the fiberscope 16 can be passed through smoothly using a flexible material. It is formed in a tube shape having an inner peripheral portion. As shown in FIG. 5, in the present embodiment, one underfloor inspection opening / closing plug 14 is provided above each underfloor section partitioned by a partition foundation under the floor in the first floor room. The four guide pipes 15 connected to the underfloor inspection opening / closing plugs 14 are arranged facing different inspection locations.

In the floor structure having the underfloor inspection opening / closing stopper according to the present embodiment, the fiber scope 16 is connected to the guide pipe 1.
Since the objective lens 16b can be easily moved to a predetermined inspection position simply by inserting the objective lens 16b into the inspection unit 5, the objective lens 16b is moved to the inspection position while looking through the eyepiece 16a or the display of the notebook computer 10. The operation is unnecessary, and the effect that the operation time can be reduced can be obtained. In addition, since one underfloor inspection opening / closing plug 14 is disposed above each section partitioned by the partition foundation, all underfloor sections can be inspected.

Although the embodiments of the present invention have been described above, the specific configuration of the present invention is not limited to the embodiments, and there may be design changes and 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 present embodiment, the opening / closing plug for underfloor inspection is a circular hole drilled in the vertical direction, but the shape and size of the opening / closing plug for underfloor inspection are inserted through the imaging device and the underfloor environment detection sensor. if possible,
It can be set arbitrarily. In addition, as opening and shutting stopper,
Rubber stoppers or metal bolts may be used.

Further, in this embodiment, a fiberscope is used as the photographing device, but a CCD camera or the like may be used. In addition, by using a wide-angle lens as the objective lens of the photographing device, a wide area inspection can be performed at once. Furthermore, the use of infrared light eliminates the need for a light source and reduces the weight of the equipment to be carried, so that the burden on the operator can be reduced.

The underfloor inspection opening / closing plug of the present invention can be applied to a wall surface or a ceiling surface, and can also be used for observing the inner surface of a wall or the inside of a ceiling.

[Brief description of the drawings]

FIG. 1 is a side view showing a floor structure provided with an underfloor inspection opening / closing plug according to a first embodiment.

FIG. 2 is a plan view (a) and a side view (b) showing the underfloor inspection opening / closing plug according to the first embodiment.

FIG. 3 is a side view showing a floor structure provided with an underfloor inspection opening / closing stopper according to a second embodiment.

FIG. 4 is a plan view (a) and a side view (b) showing an underfloor inspection on-off cock according to the second embodiment.

FIG. 5 is a plan view showing a floor structure provided with an underfloor inspection opening / closing stopper according to a second embodiment.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Cloth base 2 Bundle 3 Base 4 Exaggeration 5 Joist 6 Insulation material 7 Flooring 8,14 Underfloor inspection opening / closing plug 8a Female screw part 9 Fiberscope (photographing device) 9a Eyepiece lens 9b, 15 Objective lens 10 Notebook personal computer 11 Light source device 12 Opening / closing stopper 12a Male thread portion 12b Slot 13 Rubber cap 14 Underfloor inspection opening / closing stopper 15 Guide pipe (guide member) 16 Fiber scope 16a Eyepiece 16b Objective lens 17 Cup 17a Opening 17b Female thread 18 Opening / closing stopper 18a Male thread 19 Seal

 ──────────────────────────────────────────────────続 き Continued on the front page F term (reference) 2B121 AA16 BB40 EA04 EA05 FA14 FA15 2E176 AA09 BB38 2F065 AA49 CC14 DD06 FF41 GG02 JJ03 JJ26 LL02 SS02 SS13 5C054 AA01 CC07 CD03 CE01 CE11 CE16 HA05

Claims (4)

[Claims] 1. When building a house, a hole for underfloor inspection that penetrates from the floor surface of the first floor room to the floor underneath is closed in advance and closed with an opening / closing stopcock. The underfloor inspection hole is opened by opening and closing the opening / closing stopper, and an imaging device such as a fiberscope and an underfloor environment detection sensor are inserted from the underfloor inspection hole. The image of the inspection location and its position obtained from the imaging device, underfloor environment detection An underfloor inspection method for a house, characterized in that a value measured by a sensor is displayed on a monitor to perform inspection and measurement under the floor. 2. An underfloor inspection opening / closing plug, characterized in that a hole for underfloor inspection that penetrates from the floor surface in the first floor room to under the floor and that can be closed using an opening / closing stopper is provided. Equipped floor structure. 3. A tubular guide member having one end connected to a lower end of the underfloor inspection opening / closing plug and the other end provided near an inspection location under the floor. 2. A floor structure comprising the underfloor inspection opening / closing stopper according to 2. 4. The underfloor inspection opening / closing plug according to claim 2 or 3, wherein one underfloor inspection opening / closing plug is provided above each section under the floor partitioned by the partition foundation. Equipped floor structure.