JP3465200B2 - Electric heating discoloration set - Google Patents

Description

Detailed Description of the Invention

[0001]

The present invention relates to a conductible heat discoloration set. More specifically, to the toy element that operates by applying a low voltage, an appropriate voltage required for the operation is instantaneously supplied, safety and convenience are excellent, and repetitive practicality is satisfied. relates to electrical heating discoloration set with a pre-Symbol energizing means.

[0002]

2. Description of the Related Art Conventionally, energization of an energized toy element has been mainly applied by directly applying a voltage from a battery or an AC adaptor, but recently, an electric double layer capacitor is mounted and operated. Japanese Patent Laid-Open No. 5-64690
It is disclosed in Japanese Patent Publication No. However, no proposal has yet been disclosed that the electric double layer capacitor is applied as a single energizing means without being incorporated in the operating system as the energizing means to satisfy the convenience and safety in use. Above all, an effective attempt to apply it as a current-carrying means for a current-heating discoloration element has not yet been disclosed. Conventionally, as a means for changing the color of the energization heating discoloration element, a direct current voltage from a dry battery or an AC adapter is directly applied to a linear resistance heating element such as a nichrome wire or a heating circuit made of a metal foil.
Usually, a sensor, a switch or the like for preventing overheating is additionally provided, and as an attempt to solve this, an attempt to apply a positive temperature coefficient resistance heating element made of a ceramic material having a self-temperature control function has been made. It is disclosed in the publication. The positive resistance heating element made of the ceramic material is a thermochromic element that requires flexibility, since the material itself is hard and its size is restricted in terms of its formability.
It was not suitable as a thermochromic element that causes a large area to undergo thermochromic change or a fast-responsive thermochromic element. In order to discolor the above-mentioned flexible or relatively large area thermochromic element, a system in which a heating circuit is formed by a metal foil is effective, but a simple energizing means for preventing overheating due to continuous application of overcurrent. Was requested.

[0003]

DISCLOSURE OF THE INVENTION The present invention applies the discharge current of the electric double layer capacitor as a means for energizing a toy element that operates by applying a low voltage to instantly generate heat.
Supply the required current and cause trouble due to overheating
The present invention seeks to provide an electrically heated discoloration set that does not cause this .

[0004]

The present invention will be described with reference to the drawings. (Refer to FIGS. 1 to 10) The electric heating discoloration set 1 of the present invention is applied with a DC voltage.
The energization resistance heating element 21 that heats up
Electrically-generated heat discoloration required with thermodiscoloration layer 22 arranged in close proximity
A discharge current is supplied to the element 2 and the energization resistance heating element 21.
Energizing means consisting of electric double layer capacitor 31 for generating heat
1 and a direct current of 0.5V to 6.0V to the capacitor 31
And a power supply unit 4 for supplying a voltage to charge the battery.
The electrode 23 of the electrothermal discoloration element 2 and the terminal portion 3 of the energizing means 1
3 can be connected and disconnected freely, and the capacitor 3
Is applied as a single energizing means 1, and the terminal portion of the energizing means 1
33 was connected to the electrode 43 of the power source body 4 and charged.
After that, the energizing means 1 is isolated from the power source body 4, and
Discolor the thermochromic layer 22 by connecting to the electrode 23 of the thermochromic element 2.
And the electric double layer capacitor 31 includes a protection unit.
The main body is housed in the material 32 to prevent the terminal 33 from short-circuiting.
And the terminal portion 33 is made to exist inside the annular projection 34 for
Short circuit due to contact with conductive materials other than 43
Require a short-circuit prevention mechanism to avoid
And

A known one can be applied to the electric double layer capacitor 31 described above. The configuration is in the basic cell,
It consists of a mixed system of activated carbon and electrolytic solution (dilute sulfuric acid aqueous solution), and is constituted by interposing an electrically insulating porous separator to prevent a short circuit due to contact between activated carbons. Contact with each other, positive and negative charges are distributed relatively at a very short distance on the interface,
When a voltage is applied thereto from the outside, it has a function of storing a larger amount of electric charge in a short time, and effectively functions as a means for energizing a toy element operated by applying a low voltage in the present invention. As a commercially available product, the product name Gold Capacitor AL series manufactured by Matsushita Electronic Components Co., Ltd. (cylindrical, single cell 2.5V withstand voltage, capacity 0.22F (outer diameter dimension: φ6.8 x L21mm) to 10F (outer Diameter: φ1
8 × L35 mm) can be exemplified. The electric double layer capacitor 31 described above functions as a storage battery, has a large electric capacity as compared with the capacitor, is capable of instantaneously discharging a large current, and stores the electric power of the power supply battery in small portions. Are limited, do not cause trouble due to overheating, and do not require a temperature sensor or control circuit. or,
Even if the capacity of the power supply battery decreases, the charging time only increases, the discharge output per discharge is substantially constant, and the battery can be used economically. In addition, it has a better discharge characteristic than a battery and instantly discharges a required current.

The toy element has a direct current low voltage (0.5V to 6.V).
(0 V) is a toy-like element that causes operations such as sound generation, luminescence heat, color development, and driving when the electric double layer capacitor 31 has an electrostatic capacity of 0.22 to 10 as described above.
From the range of 0F, the one that gives the desired operation to the load is selected, but it is usually selected from the range of 0.22 to 10F.

As the DC power source, a battery such as a dry cell or a solar cell, or a DC conversion current by an AC adapter can be applied, and the electric double layer capacitor 31 receives a current from the DC power source and is charged to generate a large current. It discharges instantly and the charge / discharge functions effectively for repeated actuation of the toy element without degrading its function on repeated application.

The energizing means 3 composed of the electric double layer capacitor 31 receives the required current from the DC power source, is charged, and is then separated from the power source, and is supplied with a discharge current to the toy element as a single unit to be operated to generate electric power. After the consumption, it is possible to repeatedly perform energization and operation by the charge-discharge operation. The electric double layer capacitor 31 is applied as a single energizing means, and in order to provide convenience, safety, and endurance, a protection member 3 made of a plastic container or the like is provided.
2, the main body is housed, the terminal portion 33 is connected to the electrode 23 of the electrothermal exothermic discoloration element 2, and the connection can be released. Further, short circuit due to contact of the terminal portion 33 with a conductive material other than the electrode 23 is prevented. A short-circuit prevention mechanism 34 or the like for avoiding is provided. As the protective member 32 in the above, a plastic molded body or the like shaped into a toy shape in order to enhance the toy property can be appropriately used.

The thermochromic material forming the thermochromic layer 22 is
A thermochromic material containing a conventionally known thermochromic dye, for example, three components of an electron-donating color-developing organic compound, an electron-accepting compound, and an organic compound medium that reversibly causes a color reaction between the both. Or a thermochromic material exhibiting thermochromic properties in the form of fine particles of a resin solid solution of the above-mentioned component (for example, Japanese Patent Publication Nos. Sho 51-35414 and Sho 51).
No. -44706, Japanese Patent Publication No. 1-29398, etc.)
Can be mentioned. In the above, the color changes before and after a predetermined temperature (color change point) as a boundary, and only one specific state can exist in the normal temperature region of both states before and after the change. That is,
In the other state, it is maintained while the heat or cold required to develop that state is applied, but if the heat or cold is no longer applied, it returns to the state exhibited at room temperature (so-called, temperature This is a type in which the temperature-color density due to changes shows a small hysteresis width and changes color. or,
A thermochromic material (that is, coloring caused by a temperature change) containing a color-memory thermochromic dye, which exhibits a large hysteresis characteristic and is discolored, as described in JP-A-60-264285 previously proposed by the applicant. The shape of the curve plotting the change in density follows a path that changes greatly when the temperature is raised from a temperature lower than the color change temperature range and when it is lowered from a temperature higher than the color change temperature. Type: a thermochromic layer colored with a temperature change temperature below the low temperature side or above the high temperature side in the room temperature range between the low temperature side and high temperature side. 22. A non-thermochromic layer (a solid non-color-changing ink, a solid print, a pattern, etc.) is appropriately provided below the thermochromic layer 22 to make various changes in the appearance of the thermochromic layer 22 visible. be able to. still,
On the surface of the thermochromic layer 22, a transparent resin or a matte coating layer can be appropriately provided.

The current-carrying resistance heating element 21 that discolors the thermochromic layer 22 includes nichrome, nickel, titanium, tungsten, nickel-chromium alloy, other metal materials, conductive plastic materials, copper foil, nickel-chromium alloy foil, Examples include aluminum foil, vapor deposited films of other metals, and heat generation patterns of various conductive inks.

[0011]

Operation: An electric double layer capacitor is applied as a means for energizing a toy element that operates by applying a low voltage, and the capacitor is charged by receiving a current from a separately prepared DC power source, and a discharge current is applied to the toy element. To activate the toy element. Here, the electric double layer capacitor has a low resistance and a relatively large capacity, so that rapid charging / discharging is performed depending on the characteristic, and the electric double layer capacitor effectively functions as a current-carrying means for low voltage operation.
After the discharge current is consumed by energization, it is connected to a power source for recharging, and the discharge current required for repeated energization is supplied. In a system in which the thermochromic layer is discolored by the heat generated by the resistance heating element in which the toy element generates heat when a low voltage is applied,
Upon receiving the discharge current of the double layer capacitor, the resistance heating element instantly generates heat and discolors the thermochromic layer. At this time, the electric double layer capacitor stores the amount of electricity of the power supply battery in small portions depending on its characteristics, so that overcurrent is not continuously discharged to the resistance heating element, and trouble due to overheating does not occur. .

[0012]

EXAMPLE As an electric double layer capacitor 31, a gold capacitor AL series [(manufactured by Matsushita Electronic Components Co., Ltd.), having a cylindrical appearance body, and a single cell 2.5V.
Withstand voltage, capacitance 3.3F, internal resistance 0.3 (Ω) at 1KHz, outer diameter φ12.5 × L23.0m
m, having a terminal diameter of 0.8 mmφ], the capacitor 31 is housed in a plastic protective member 32, and both terminals are connected to a brass eyelet 331 to form the terminal portion 3
3, the terminal portion 33 is located at the opening end of the front end of the protection member 32, and the terminal portion 33 is internally provided in the annular projection 34 for preventing a short circuit, and the axis line near the opening end is provided. A ridge 35 for preventing erroneous connection with the power supply body 4 is provided in the direction, and a light emitting diode 37 connected to the capacitor 31 is provided at the rear end of the protection member 32.
A part of the above is assembled in a protruding state to form the energizing means 1.

A power source 4 for supplying charging power to the energizing means 1 accommodates two 1.5 V dry cells in a plastic case 42, and its electrodes 43 (brass eyelets) are provided in the case 4.
2 is located in the opening on the upper surface, and the ridge 3 is placed in the opening.
A notch 44 that engages with the terminal 5 is provided, and the terminal portion 33 can be engaged and disengaged without being erroneously connected.
The energization heat generation discoloration element 2 has a pattern formed of a heat generation line formed of a copper foil on the surface of a sheet-shaped non-conductive material, and a heat discoloration layer 22 ( (Color develops at less than 35 ° C., decolorizes at 35 ° C. or more) is provided, and the electrode 2 is provided at the end of the heat generation line.
3 (formed by connecting brass eyelets) is provided.

The terminal portion 33 of the energizing means 1 and the power source 4
After being connected to the electrode 43 of the above and charged for 10 seconds, the energizing means is isolated, the terminal portion 33 is connected to the electrode 43 of the energizing heat generating element 2, and when energized, it becomes a colored state at room temperature of 27 ° C. A certain thermochromic layer 22 could be kept in the decolored state for 15 seconds, and the temperature of the heating line did not rise above 48 ° C. For reference, when the heating line is directly applied from the power supply battery (3 V), a current of 1.07 A is measured, and the energization means 1 by the electric double layer capacitor measures the initial current of 1.37 A and instantaneously It can be seen that the current required for thermal discoloration can be supplied. Since the current continues to flow for a long time when directly applied by the battery, the temperature of the heat generating line was raised to 80 ° C. or higher.

[0015]

EFFECT OF THE INVENTION By applying an electric double layer capacitor as a means for energizing an energizing toy element which is actuated by applying a low voltage, characteristics due to rapid charge and discharge are effectively exhibited. The capacitor, after being connected to a power source and charged with a required current, is isolated, functions as a single energizing element in a cordless state, and discharges to an operating element,
After the power is consumed, the charging operation described above can be performed again, and the battery can be used for energizing operation by repeated discharge, which satisfies the convenience. Furthermore, the heating applied positive current is supplied instantaneously to the resistance heating element, effectively discolor thermochromic layer. At this time, overcurrent is not continuously supplied and there is no danger of overheating. Furthermore, since the short-circuit prevention Organization is gills Bei <br/>, without mistakes operation even in infants, etc., it can be properly used, coupled safety and operating characteristics of the low voltage, the practicality satisfied It is possible to provide an electrically operated discoloration set which is effective in the electrically operated toys, and above all, in the toy field.

[Brief description of drawings]

FIG. 1 is an external view for explaining an embodiment of an electrically heated discoloration set of the present invention.

FIG. 2 is an explanatory diagram showing a relationship in which the energizing means of the present invention receives a charging current from a power source and supplies a discharging current to an energized heat generating element.

FIG. 3 is an external view of a main part of one embodiment of the energizing means.

FIG. 4 is an enlarged vertical cross-sectional explanatory view of a terminal portion of an embodiment of the energizing means.

FIG. 5 is an enlarged cross-sectional view of an essential part of an embodiment of an electrode portion of a power supply body.

FIG. 6 is an enlarged vertical cross-sectional explanatory view of an essential part of an embodiment of an electrically heated discoloration element.

FIG. 7 is an enlarged vertical cross-sectional explanatory view of a main part of another embodiment of the terminal portion of the energizing means.

FIG. 8 is an enlarged vertical cross-sectional explanatory view of a main portion of another embodiment of the terminal portion of the energizing means.

FIG. 9 is an external view showing a decolored state of one embodiment of the energization heat generation color changing element.

FIG. 10 is an external view showing a colored state of an embodiment of the energization heat generation color changing element.

[Explanation of symbols]

1 Electric heating discoloration set 2 Electric heating heat discoloration element 21 Electric resistance heating element 22 Thermochromic layer 23 electrodes 24 Non-conductive material 3 energizing means 31 Electric Double Layer Capacitor 32 Protective material 33 terminal 331 ring-shaped conductive member 332 spring 34 Short circuit prevention mechanism 35 Incorrect connection prevention mechanism 36 Guide mechanism 37 luminous body 4 power supply 41 power supply 42 cases 43 electrodes 44 Misconnection prevention mechanism

─────────────────────────────────────────────────── ─── Continuation of the front page (58) Fields surveyed (Int.Cl. ⁷ , DB name) A63H 33/22 A63H 33/26

Claims (2)

(57) [Claims] 1. A current-carrying resistance generator that generates heat when a DC voltage is applied.
A thermal element 21 and a thermal element placed in contact with or close to the heating element 21.
An energization heat generation color changing element 2 having a color layer 22 and the energization resistance
Electric double layer for supplying discharge current to the heating element 21 to generate heat
Energizing means 1 including a capacitor 31 and the capacitor
31 is charged by supplying a DC voltage of 0.5V to 6.0V.
And a power source 4 for heating and energizing the energized heat generation discoloration element 2.
Connects and disconnects the pole 23 and the terminal portion 33 of the energizing means 1.
The capacitor 3 can be freely configured to serve as a single energizing means 1.
Then, the terminal portion 33 of the energizing means 1 is connected to the power source unit 4
After being connected to the electrode 43 of the battery and charged, the energizing means 1 is electrically charged.
The electrode 23 of the electrothermal exothermic color changing element 2 isolated from the source body 4
Connected to the electrochromic discoloration layer 22 to discolor the thermochromic layer 22.
To. 2. The electric double layer capacitor 31 comprises a protective member 3
The main body is housed in 2 to prevent the terminal 33 from short-circuiting.
Of the electrode 43.
Avoid short circuits due to contact with conductive materials other than
2. A short-circuit prevention mechanism for causing a short-circuit is provided.
Electric heating discoloration set.