JPH0348041Y2 - - Google Patents

Description

[Detailed explanation of the idea] (Conventional technology) An explanation will be added regarding the conventional technology.

The elapsed time display element of the conventional time display box absorbs water little by little from the atmosphere and changes color depending on the moisture content, and reacts little by little with oxygen in the atmosphere, depending on the progress of the reaction. Elements that change color when heated,
There are elements that absorb nitrogen from the atmosphere and change color depending on the amount of nitrogen absorbed. To start measuring such elements,
This is done by removing atmospheric barriers such as aluminum foil.

(Problems to be Solved by the Invention) The conventional time display elements as described above progress over time by absorbing and reacting with components in the atmosphere. Therefore, it is greatly affected by changes in atmospheric components, temperature, and humidity. Further, the aging process does not start unless the user takes the trouble to remove the air barrier such as foil. In addition, once the passage of time has started, the passage of time is
I can't stop it now.

(Means for solving the problem) In order to solve the above problem, a set consisting of the following two things (a) and (b) is used.

(b) One card has a fold line, an ECD is located on one side of the fold line, and resistance wiring is provided on the other side of the fold line to connect the terminals of the ECD when folded. A card that is.

(b) A foil that has a card locking part on at least one side plate that allows for secure wiring of the card when the card in (a) is folded and inserted.

It does not matter whether the fold is in the center or at the edge, and the shape of the card itself may be rectangular or rectangular.
Various types such as figure 8 shape are used. Furthermore, as for the resistor, various materials such as carbon, vapor deposition, etc. can be used without any problem with the material, and the resistor may be provided in one part and the other parts of the contact part may be made of a highly conductive material.

As for the box, it is sufficient to have a side plate, and the present invention is not limited to a rectangular parallelepiped, but can also be applied to shapes such as N-prismatic prisms, as well as items that have undergone considerable deformation.

Further, the card locking portion may be inserted into a notch or the like, or may be in the form of a pouch.

(Function) Regarding the function as an ECD time display element,
Utility Application No. 61-106649 (publication of Utility Model Application No. 63-14193)
(filed on July 11, 1985).

This utilizes the property of ECDs that the display changes sequentially as the charge changes, and the circuit is equipped with a rated resistance circuit for the ECD.

In this way, the amount of charge between the ECDs will change sequentially using a constant resistance circuit, etc., and the amount of charge will change accordingly.
The ECD display will start to change.

In this case, different resistance values such as 12.5MΩ, 25MΩ, and 50MΩ will change the speed of discoloration used. Here, 12.5MΩ takes one month, 25MΩ takes two months, and 50MΩ takes three months, because the release speed of the amount of electricity injected into the ECD is different.
Display is possible because the time required for the electrochromic material to develop and fade is different.

The change in charge at both poles of the ECD over time will be explained using the drawings.

FIG. 5 is a circuit diagram in the case of a constant resistance circuit.
Let E be the initial voltage, C be the capacitance of the ECD, be R be the total resistance of the constant resistance circuit, and let t be the time from when the initial voltage is released. If we solve the closed circuit by taking the charge of the ECD as q, we get q=EC { 1−exp(−t/RC)}. This equation can be expressed graphically as shown in Figure 6. However, the initial voltage E in this case may be the one given at the time of shipment, or the box may be provided with a power source.

(Example) An example of the present invention will be described in detail using the drawings.

FIG. 1 is a plan view of a card showing an embodiment of the present invention. Card 10 is inserted through fold 18
It is divided into an ECD section 11 and a resistance section 12, and the ECD section 11 has an ECD 13, and therein therein are electrodes 14 and a display section 15. Further, a resistor 17 is provided in the resistor part 13 so as to connect the electrodes 14 when folded through the fold 18, and
A hole 16 is also provided to prevent the thickness of the ECD from becoming too thick when folded.

FIG. 2 is a perspective view showing the case where the card is folded into a box. One side plate of the box 20 is provided with a pair of approximately L-shaped notches 21 and 22 in the center, which correspond to the card 10, so that both parts of the card are pinched by the restoring force of the side plate itself. , the resistive portion 12 and the electrode 14 are reliably brought into electrical contact, a closed circuit is formed between the electrodes, the charge on the ECD 13 is gradually reduced, and the color changes accordingly.

FIG. 3 is a perspective view showing the embodiment when the box is changed. One side plate of the box 30 is provided with fan-shaped notches 31 and 32 corresponding to the card 10 on the edge, and the restoring force of the side plate itself allows both parts of the card to be sandwiched between them, ensuring that the resistor part 12 and electrode 14 are in electrical contact, a closed circuit is formed between the electrodes, and ECD 13
The charge on the light decreases little by little, and the color changes accordingly.

FIG. 4 is a plan view of a card of another embodiment. The card 40 is inserted into the ECD section 41 through the fold 48.
and a resistance section 42, and the ECD section 41 has a
There is an ECD 43, which includes an electrode 44 and a display section 4.
There are 5. Further, a resistor 47 is provided in the resistor portion 42 so as to connect the electrodes 44 when folded through the fold line 48 .

(Effect of the invention) With the invention, it was possible to display the elapsed time almost without being influenced by the outside world (particularly atmospheric components, temperature, etc.).

Furthermore, even if the aging process is to be temporarily stopped, this can be easily done by simply folding the box.

Furthermore, even if the aging process is to be fundamentally initiated, this can be done by simply charging the battery.

Therefore, it can be applied to insect traps, fragrance containers, deodorizers, freshness-preserving agents, and anything else that requires aging.

[Brief explanation of the drawing]

Fig. 1 is a plan view of a card showing one embodiment of the present invention, Fig. 2 is a perspective view of the card when inserted into a box, and Fig. 3 shows a different embodiment from Fig. 2. FIG. 4, which is a perspective view of the card inserted into the box shown, is a plan view showing a different embodiment of the card from that shown in FIG. FIG. 5 is a drive circuit diagram of the ECD, and FIG. 6 is a diagram showing the change in electric charge. 10,40...Card, 11,41...ECD
Part, 12, 42... Resistance part, 13, 43...
ECD, 14, 44... Electrode, 15, 45... Display section, 16... Hole, 17, 47... Resistor, 18,
48...Fold, 20, 30...Box, 21, 22,
31, 32...notch.

Claims (1)

[Scope of claims for utility model registration] A set consisting of the following two items (a) and (b). (b) One card has a fold line, an ECD is located on one side of the fold line, and resistance wiring is provided on the other side of the fold line to connect the terminals of the ECD when folded. A card that is. (b) A box that has a card locking part on at least one side plate that allows for secure wiring of the card when the card in (a) is folded and inserted.