JPH0448550Y2 - - Google Patents

Description

[Detailed description of the invention] [Industrial field of application] This invention can be applied to diapers that are dirty with excrement, for example.
Alternatively, the present invention relates to a conductive sensor for detecting moisture that can immediately detect and issue an alarm when moisture is generated on blankets or sheets.

[Conventional technology]

Conventionally, this type of conductive sensor has not been developed, so there is no prior art.

[Problem that the invention attempts to solve]

This invention is designed so that when diapers, blankets, sheets, etc. become soiled with moisture, the endless band made of oblate is damaged by water absorption and the alarm circuit is energized. In addition, the present invention provides a case structure that can detect and operate reliably and satisfactorily, as well as a case structure that allows easy replacement of the oblate endless band, so that it can be carried out suitably and with good quality.

[Means for solving problems]

Therefore, in this invention, the two cases, which are open at the top and bottom and have a U-shaped cross section, are removably fitted in opposite directions using a locking method, and one case is fixed so that an endless oblate band can be hung thereon. A supporting piece and a conductive contact piece on one side that can be restored to its original shape are installed, and a conductive contact piece on the other side that can be contacted when the conductive contact piece is restored is installed inside the other case.

[Effect]

Therefore, the two cases can be easily separated, and the oblate endless band can be easily installed in one case that is open on the inside, and both cases can be easily fitted and assembled. The endless oblate band inside the case, which is open at the top and bottom, sensitively absorbs water and breaks, yet can be accurately brought into a conductive state.

〔Example〕

Next, the embodiment shown in the drawings will be described.

Cases A and B are U-shaped in cross section with the top and bottom open, and are formed so that case B can be fitted to the outside of case A in opposite directions, with round holes penetrating the top and bottom of both sides of case A. 5, and the round holes 5 are formed in the upper and lower inner sides of the case B.
A protrusion 6 that can be fitted into each case is provided inwardly protruding, and both cases A and B are installed so that they can be removably fitted in a knock-type manner in which each of the four round holes 5 and each protrusion 6 are fitted respectively. and configure.

A fixed support piece 2 whose tip side protrudes outward from the open side is installed at the inner upper part of the case A, and below the support piece 2 there is an elastic force that can be bent upward and restored downward. A conductive contact piece 3 supported by a support piece 8 is installed below the actuation piece 7 so as to be able to contact the protrusion 7a at the lower middle of the actuation piece 7. The conductive contact piece 3 is connected via a cord 11 to an alarm circuit C having a battery 10 and a battery 10, and the conductive contact piece 3 is brought into contact with the inner lower part of the other case B when the conductive contact piece 3 is restored downward. A conductive contact piece 4 is constructed, and the conductive contact piece 4 is connected to the alarm circuit C via a cord 12.

1 is an endless body made of oblate, but it is formed into several types with different widths.

Therefore, remove both cases A and B,
While bending the actuating piece 7 on the case A side slightly upward, the endless oblate band 1 is engaged with the tips of the supporting piece 2 and the actuating piece 7, and each protrusion 6 is inserted into each of the four round holes 5. Case B can be fitted and assembled to case A as shown in FIG. .

The sensor assembled in this way will be used by putting it in diapers, blankets, sheets, futons, etc., but if it gets dirty with excrement or moisture, moisture will enter from the upper and lower openings of the case, and the oblate When the endless strip 1 becomes damaged due to moisture content, the actuating piece 7 is restored and the conductive contact piece 3 comes into contact with the conductive contact piece 4, becoming energized and the lamp 9 lights up, as shown in FIG. This means that a buzzer will sound to alert you.

By using endless strips 1 with different widths, it is possible to change the operating state as appropriate; in other words, a wide oblate will not cut easily and the lamp lighting will be delayed, but a narrow oblate will easily cause the lamp to light up. Since the lamp lights up as soon as it burns out, it is extremely easy to adjust the width to fit the desired purpose.

[Effect of idea]

In this way, the present invention can be applied to diapers, blankets, etc.
When sheets, etc. become soiled with water, water flows in from the upper and lower openings of the case, and the oblate endless band 1 absorbs water and is damaged, allowing the alarm circuit to be energized. In the best case, the case structure can be made such that the endless band 1 acts sensitively, and since both cases A and B can be removably fitted in a lock type, the endless band 1
It has the feature that it can be easily installed and removed, and can be suitably used as a high-quality conductive sensor.

[Brief explanation of the drawing]

Fig. 1 is a side sectional view of the main part of an embodiment of the present invention, Fig. 2 is an explanatory diagram of connection to a circuit, Fig. 3 is a sectional view taken along the - line in Fig. 1, and Fig. 4 is an endless band. 5 is an exploded view of FIG. 1, FIG. 6 is an exploded view of FIG. 3, and FIG. 7 is an explanatory view of the operation of FIG. 1. A, B...Case, 1...Endless band, 2...Support piece, 3, 4...Conductive contact piece.

Claims (1)

[Scope of utility model registration request] Both cases A and B, which have a U-shaped cross section with ports opening at the top and bottom respectively, are configured so that they can be removably fitted in opposite directions, and are fixed and protruding from the top inside one case A. A support piece 2 is provided at the bottom thereof, and an extremely elastic actuation piece 7 that can be bent sufficiently upward and restored downward is provided protrudingly provided below the actuation piece 7. A conductive contact piece 3 from the cord 11 that can come into contact with the protrusion 7a is provided protrudingly from the other case B.
A conductive contact piece 4 on the other side that can come into contact with the conductive contact piece 3 in the case A during restoration is provided protruding inside, and the fixed support piece 2 in the one case A
A moisture detection sensor is formed by hanging an endless band 1 made of oblate between the elastic actuating piece 7 and the elastic actuating piece 7.