JP3136283B2 - Wiring box detector - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a wiring box detector used for indoor wiring of buildings such as houses and buildings.

[0002]

2. Description of the Related Art Conventionally, when wiring indoors in a building, a wiring box is mounted on a frame before mounting a wall board such as a decorative board or a decorative board. They are often installed without opening. For this reason, the wiring box covered with the wall plate is indexed by the dimensions from each part of the frame, a tape-like aluminum foil is attached to the wiring box, and it is searched by a metal sensor or the like. A magnet is mounted and searched for by another detecting magnet or magnetic force sensor.

[0003]

The task of searching for a wiring box covered with a wall plate by a conventional method takes time and effort.
There are drawbacks in that the wiring box cannot be positioned accurately, and that there is sufficient care to form wiring holes to be formed in the wall plate, and that it takes time and effort to expand the holes from the center to the periphery. Was. In addition, the method using a metal sensor or the like has a drawback that the metal sensor often reacts with a metal part other than the wiring box on the wall surface and cannot be easily searched. In the method using a magnetic force sensor, etc., it is necessary to detect the magnet attached to the wiring box through the wall plate, and it is technically and costly difficult to attach a strong magnetic force line magnet that can be reliably detected to the wiring box. There was a disadvantage.

The present invention has been made in view of the above-mentioned conventional drawbacks,
Provided is a wiring box detector capable of accurately detecting a wiring box covered with a wall plate with ease and in a short time and marking the wall plate so as to match the contour of the wiring box. The purpose is.

The above and other objects and novel features of the present invention will become more completely apparent when the following description is read in conjunction with the accompanying drawings. However, the drawings are for explanation only, and do not limit the technical scope of the present invention.

[0006]

In order to achieve the above-mentioned object, the present invention provides a plurality of wiring boxes which can be marked so as to form a contour of a peripheral edge of a rectangular wiring box covered with the wall board. A base plate having a plurality of marking through-holes that can be marked on a wall plate so as to have a contour of a marking through-hole and a peripheral edge of a round wiring box; and a peripheral edge of the wiring box in the base plate. Four transmission detection coils arranged vertically and horizontally so as to be able to detect each of the upper, lower, left and right sides of the resonance circuit provided in the plurality of detection circuits, respectively. The base plate is slid and positioned so as to have the contour of the periphery of the wiring box accurately buried with the through holes for marking, thereby displaying the center portion via the central processing circuit. Preparative matrix LED and the 4
A wiring box detector comprising a wiring box type display for displaying the type of the wiring box detected by the plurality of transmission detection coils via the central processing circuit constitutes a wiring box detector.

[0007]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS The present invention will be described below in detail with reference to the embodiments shown in the drawings.

In the first embodiment of the present invention shown in FIGS. 1 to 11, reference numeral 1 designates a square-shaped one having a resonance circuit 3 installed at an open end covered with a wall plate 2 or the like; Individual wiring boxes 4, 4A and round wiring box 4B
And the wiring box detector 1 of the present invention can be marked on the wall plate 2 so as to coincide with the contours of the wiring boxes 4, 4A and 4B. When marking is performed along an insulating base plate 6 on which the circuit housing portion 5 is formed and an inner surface or an outer surface formed at a portion of the base plate 6 excluding the circuit housing portion 5, one unit or Wiring boxes 4, 4A for two
, In the embodiment of the present invention, eight marking through-holes 7, 7A, 7B, 7C, 7D, 7E, 7F,
7G and the eight marking holes 7, 7A, 7B, 7 for marking.
Crimping wall surfaces 8, 8 which are contours of round wiring boxes 4B formed in marking through holes 7A, 7C, 7E, 7G located at the center of each side of C, 7D, 7E, 7F, 7G.
A, 8B, 8C, and the eight marking holes 7, 7A,
The center of 7B, 7C, 7D, 7E, 7F, 7G, that is, these marking through holes 7, 7A, 7B, 7C, 7D, 7
A center through hole 9 for marking a center portion formed on the base plate 6 at a portion located at a center portion of the contour to be inscribed by E, 7F, 7G, and one side of the base plate 6 A handle 10 that can be pivoted so as to protrude upward from the side when in use, and can be pivotally stored so as not to be bulky when not in use or during transport; and the wiring boxes 4 and 4A attached to the base plate 6. , 4B, a plurality of marking through-holes 7, 7A, 7B, 7C, 7D, 7E, 7F, 7G so as to coincide with the periphery of the wiring box 4, 4A, 4B.
Box detection circuit 11 capable of positioning
A level 12 attached to the upper upper surface of the base plate 6 to determine whether the base plate 6 is positioned horizontally, and a writing implement 13 formed on the upper surface near the lower portion of the circuit housing 5 And a writing tool locking groove 14 which can be detachably locked.

As shown in FIG. 5, the wiring box detecting circuit 11 includes the wiring box 4 disposed around the marking through holes 7A, 7C, 7E and 7G disposed on the upper, lower, left and right sides of the base plate 6. Transmission detection coils 15, 15A, 15B, 15C that resonate with the resonance circuits 3, 3, 3 of 4A, 4B
Transmission circuits 16, 16A, 16B, and 16C, a control circuit 17 that sequentially supplies current to the transmission circuits 16, 16A, 16B, and 16C for a predetermined time, and a current that is supplied to the control circuit 17 via a switch 18. A power supply 19 such as a storage battery, and the transmission circuits 16, 16A, 1
6B, 16C, the transmitting circuits 16, 16A,
A central processing circuit 20 for detecting the transmission level from 16B and 16C and the type of wiring box, and determining the transmission level as an X-axis output and a Y-axis output;
A dot matrix LED 21 for displaying an intersection between the X-axis output and the Y-axis output from the CPU, a single wiring box display lamp 22 for lighting and displaying the types of the wiring boxes 4, 4A and 4B detected by the central processing circuit 20, A type indicator 25 including a two wiring box display lamp 23 and a round wiring box display lamp 24 is provided.

The wiring boxes 4, 4A, 4B are arranged as shown in FIGS.
Ring-shaped conductors 27, 27, 27 inserted and fixed in grooves formed in peripheral portions 4a, 4b, 4c or grooves 26 having predetermined dimensions and different groove widths, and conductors 27, 27, 27
And the capacitors 29, 29, 29 inserted in the recesses 28, 28, 28 interposed therebetween.
3 is used.

A wiring box body 30 shown in FIG.
And a screw 31 at the opening end of the wiring box body 30.
A wiring box cover 32 attached by 31;
A ring-shaped conductor 27 inserted and fixed in a groove formed in a peripheral portion 32a of the wiring box cover 32 or a groove 26 having a predetermined size and a different groove width, and is inserted into a concave portion 28 interposed in the conductor 27. A wiring box 4C including the resonance circuit 3 including the capacitor 29 can also be used.

The wiring box detector 1 configured as described above includes a wiring box 4 covered with a wall plate 2 and the like.
4A, 4B, and 4C, and finds the wiring boxes 4, 4
A switch can be turned on to mark a portion corresponding to the inner diameter portion of A, 4B, or 4C, and the switch 18 is turned on to attach the wiring box 4, 4A, 4B, or 4C to the wall plate 2 or the like. When the wiring box is detected by positioning and sliding the base plate 6 so that the base plate 6 is in contact with the base plate 6, the dot matrix LED 21 displays the dot, and the base plate 6 is slid so that the display position is located at the center. The base plate 6 is stopped at the position where the detection display position is located, and when the single wiring box display lamp 22 of the type indicator 25 is lit, the marking through holes 7, 7A, 7B, 7C, 7D. Along the inner surface of 7E, 7F, 7G, markings for two wiring box indicators 23
Is lit, the marking holes 7, 7A, 7B,
When the marking and round wiring box display lamp 24 is lit along the outer surface of 7C, 7D, 7E, 7F, and 7G, the marking wall 8 of the marking holes 7A, 7C, 7E, and 7G. , 8A, 8B, and 8C, and the center through-hole 9 is marked.

[0013]

FIG. 12 to FIG.
Hereinafter, different embodiments of the present invention will be described. In the description of the different embodiments of the present invention, the same components as those in the first embodiment of the present invention are denoted by the same reference numerals, and redundant description will be omitted.

The second embodiment of the present invention shown in FIGS. 12 and 13 is different from the first embodiment of the present invention mainly in that one or two wirings are provided on a base plate 6. Box 4 and 4A outlines can be marked 8
Through holes 7, 7A, 7B, 7C, 7D, 7E for marking
7F and 7G are formed, and the single wiring box display lamp 22 and the two wiring box display lamps 23 are used as the type indicator 25A. Good.

The third embodiment of the present invention shown in FIGS. 14 and 15 mainly differs from the first embodiment of the present invention in that the base plate 6 has a round wiring box 4.
A marking through hole 7A capable of marking the outline of B;
7C, 7E, and 7G, and a wiring box detector 1 configured as described above in that a type indicator 25B using a round wiring box display lamp 24 is used.
B may be used.

[0016]

As apparent from the above description, the following effects can be obtained in the present invention.

(1) A plurality of through-holes for marking which can be marked on the wall plate so as to have a contour of a rectangular wiring box covered with the wall plate, and a contour of a peripheral edge of the round wiring box. A base plate having a plurality of marking through-holes that can be marked on the wall plate so as to be formed, and the upper, lower, left, and right sides of a resonance circuit provided on the periphery of the wiring box on the base plate. Four transmission detection coils, which are arranged vertically, horizontally, and
Detecting the periphery of the wiring box with the plurality of transmission detection coils, and slidably positioning the base plate so as to form the contour of the periphery of the wiring box accurately embedded with the plurality of marking through holes. And a wiring box type indicator for displaying, via the central processing circuit, a dot matrix LED displayed in the center through the central processing circuit and the type of wiring box detected by the four transmission detection coils. Since it is composed of a box detection circuit, a wiring box with a resonance circuit covered by a wall plate or the like is detected by four transmission detection coils and displayed by a dot matrix LED, and the detected wiring box is displayed. Can be displayed. Therefore, after accurately confirming the position of the wiring box with the dot matrix LED, a plurality of marking through-holes formed in the base plate are marked to mark the contours of the detected wiring box. Since the wiring box is buried, it is possible to reliably prevent a problem that a hole is formed in an unnecessary portion of a wall plate or the like by mistake in a conventional position.

(2) According to the above (1), the position of the wiring box is displayed by the dot matrix LED, so that it is only necessary to slide the base plate so that the display portion is located at the center, so that the work is easy. Therefore, it can be performed easily and in a short time.

(3) According to the above (1), even if the wiring box is covered with a wall plate or the like, the position can be accurately detected and the marking can be made, so that the wiring box can be easily and easily mounted. Can be.

(4) According to the above (1), since the transmitting circuit having the transmitting coil that resonates with the resonance circuit fixed to the wiring box is used, the mounting position of the wiring box can be detected reliably. Can be displayed on the dot matrix LED when it is detected, and can be detected quietly.

(5) Claims 2, 3, and 4 also have the above (1).
The same effect as (4) can be obtained.

[Brief description of the drawings]

FIG. 1 is a plan view of a first embodiment of the present invention.

FIG. 2 is a front view of the first embodiment of the present invention.

FIG. 3 is a side view of the first embodiment of the present invention.

FIG. 4 is a side view of the first embodiment of the present invention in an unused state.

FIG. 5 is a block diagram of a wiring box detection circuit according to the first embodiment of this invention.

FIG. 6 is a process diagram illustrating an operation state of the transmission detection coil according to the first embodiment of the present invention.

FIG. 7 is an explanatory diagram of a use state of the first embodiment of the present invention.

FIG. 8 is an explanatory view of one wiring box.

FIG. 9 is an explanatory diagram of two wiring boxes.

FIG. 10 is an explanatory view of a round wiring box.

FIG. 11 is an explanatory diagram of a wiring box using a wiring box cover.

FIG. 12 is a plan view of a second embodiment of the present invention.

FIG. 13 is a block diagram of a wiring box detection circuit according to the second embodiment of this invention.

FIG. 14 is a plan view of a third embodiment of the present invention.

FIG. 15 is a block diagram of a wiring box detection circuit according to a third embodiment of the present invention.

[Explanation of symbols]

1, 1A, 1B: wiring box detector, 2: wall plate,
3: resonance circuit, 4: 1 wiring box, 4A: 2 wiring boxes, 4B: round wiring box, 5:
Circuit storage part, 6: base plate, 7, 7A to 7G: through hole for marking, 8, 8A to 8C: wall surface for marking, 9: through hole for center, 10: handle, 11: wiring box detection circuit, 12:
Level, 13: writing implement, 14: writing implement retaining groove, 15, 1
5A to 15C: transmission detection coil, 16, 16A to 16
C: transmission circuit, 17: control circuit, 18: switch, 19: power supply, 20: central processing circuit, 21: dot matrix LED, 22: one wiring box display lamp, 23: two wiring box display lamp, 24: Round wiring box display lamp, 25, 25A to 25C:
Type indicator, 26: groove, 27: ring-shaped conductor, 28:
Recess, 29: condenser, 30: wiring box body,
31: Screw, 32: Wiring box cover.

Claims (4)

(57) [Claims] 1. A plurality of through-holes for marking which can be marked on a wall plate so as to have a contour of a rectangular wiring box covered with a wall plate and a contour of a peripheral edge of a round wiring box. A base plate formed with a plurality of marking through holes that can be marked on the wall plate so that
Four transmission detection coils arranged up, down, left, and right so that the upper, lower, left, and right sides of a resonance circuit provided on the periphery of the wiring box can be detected on the base plate. The peripheral edge of the box is detected, and the base plate is slid and positioned so as to have the contour of the peripheral edge of the wiring box accurately buried with the plurality of marking through-holes. A wiring box detection circuit including a dot matrix LED displayed on the display unit and a wiring box type display for displaying the type of the wiring box detected by the four transmission detection coils via the central processing circuit. Features a wiring box detector. 2. A plurality of through-holes for marking, which can be marked on a wall plate so as to form a contour of a peripheral edge of one and two rectangular wiring boxes covered by the wall plate, and a round shape. A base plate formed with a plurality of marking through-holes and a center through-hole that can be marked on the wall plate so as to have the contour of the periphery of the wiring box, and provided on the periphery of the wiring box on the base plate. Four transmission detection coils arranged up, down, left, and right so as to be able to detect each of the upper, lower, left, and right sides of the resonance circuit. The four transmission detection coils detect the periphery of the wiring box, and A dot matrix L displayed at the center via a central processing circuit by sliding and positioning the base plate so as to have the contour of the periphery of the wiring box accurately buried in the marking hole. Wiring comprising an ED and a wiring box type display for displaying one of the one wiring box, the two wiring boxes or the round wiring box detected by the four transmission detection coils through the central processing circuit. A wiring box detector, comprising: a box detection circuit. 3. A base plate formed with a plurality of marking through-holes that can be marked on the wall plate so as to form an outline of a peripheral edge of a rectangular wiring box covered with the wall plate.
Four transmission detection coils arranged up, down, left, and right so that the upper, lower, left, and right sides of a resonance circuit provided on the periphery of the wiring box can be detected on the base plate. The peripheral edge of the box is detected, and the base plate is slid and positioned so as to have the contour of the peripheral edge of the wiring box accurately buried with the plurality of marking through-holes. A wiring box detection circuit including a dot matrix LED displayed on the display unit and a wiring box type display for displaying the type of the wiring box detected by the four transmission detection coils via the central processing circuit. Features a wiring box detector. 4. A base plate having a plurality of marking through-holes which can be marked on the wall plate so as to form a contour of a peripheral edge of a round wiring box covered with the wall plate, and the base plate. , Four transmission detection coils arranged up, down, left, and right so that each of the upper, lower, left, and right sides of a resonance circuit provided at the periphery of the wiring box can be detected. Is detected, and the base plate is slid and positioned so as to have the contour of the periphery of the wiring box accurately buried with the plurality of marking through-holes, and is displayed at the center through the central processing circuit. Dot matrix LED and said 4
A wiring box detection circuit comprising: a wiring box type display for displaying the type of the wiring box detected by the plurality of transmission detection coils via the central processing circuit.