JPH0920167A - Sheet type heat reserving body - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a sheet type heat reserving body which can reserve the heat of drinks such as a can drinks, etc., lightly within the cabin of an automobile. SOLUTION: A sheet heater which has such constitution that at least a heater line 7b and a thermistor 8 are caught with a sheet or the like of silicon rubber is attached to a heat insulating cloth 3. The heat insulating cloth 3 is made of gigged cloth or quilting texture, etc., and has heat insulating property. A face fastener 4 and a face fastener 9, as occasion demands, are attached to the heat insulating cloth 3, and the heat insulating cloth 3 is wound and fixed around the can of a drink. The heater line 7 is connected to a plug for a cigar lighter through a cable takeout part 2, a cord 10, and a control circuit 5, and it takes power from the cigar lighter of an automobile.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a structure for maintaining an object in a warm state or a cold state, and more particularly to a structure for keeping drinks such as canned drinks in a car in a warm state or a cold state. .

[0002]

2. Description of the Related Art Today, many people go out for driving by car on holidays, and it is not uncommon to cause traffic congestion. When I am caught in such a traffic jam, I have a lot of spare time and often wait for the cancellation of the traffic jam while drinking canned beverages.

Even if the user is not involved in a traffic jam, he may try to recover from fatigue by drinking a drink, such as when he is tired from driving for a long time. It is not rare to be drunk.

For this reason, can holders for holding drink cups, canned drink cans and the like are commercially available. However, hot drinks gradually get colder over time. Similarly, cold drinks get warmer over time. Therefore, it is desirable to maintain the temperature of the drink so that the drink is delicious until the end.

Several proposals have been made for such a technique, but the structure for keeping the canned beverage warm is shown below as an example. FIG. 4 is a schematic configuration diagram of a canned beverage heater that also serves as a can holder.

In the figure, a holder 40 having a function of holding a can is provided in a cylindrical shape. A heater 42 is provided on the bottom surface of the cylindrical holder 40, and when the canned beverage 44 is installed in the holder 40, the canned beverage is warmed from the bottom of the can.

A weight detection switch for turning on / off the power of the heater by detecting the weight of the canned beverage is provided on the bottom of the holder 40. Therefore, when the canned beverage 44 is put into the holder 40, the weight detection switch 41 detects the weight of the canned beverage and turns on the heater 42, and when the canned beverage 44 is pulled out from the holder 40, the switch of the heater 42 is automatically set. It is configured so that it does not consume electricity unnecessarily.

The power source of the heater 42 is obtained from a cigarette lighter in the vehicle compartment, and a cigarette lighter socket 43 is provided for this purpose. Further, in the above configuration, the heating is performed from the bottom surface of the can. However, a holder provided on the side surface of the holder 40 to heat from the side surface of the can is also possible.

As described above, the warm canned beverage can be drunk in a warm state with a relatively simple structure even after a lapse of time. Further, a holder for cooling canned beverages in which the heater 42 is replaced with a cooling element, or a holder having both a heating and cooling functions, although the holder has a much more complicated structure than the above holder. Is also proposed.

[0010]

However, in the configuration of FIG. 4, the contact area between the canned beverage 44 and the heater 42 is small and heat is difficult to be transmitted, so that the heater 42 needs to be heated to an unnecessarily high temperature, resulting in large power consumption. Was becoming.

Further, since the heat insulating effect for preventing heat from being radiated from the warm canned beverage 44 was insufficient, the heat easily escaped no matter how much the canned beverage 44 was heated,
A lot of power was consumed to keep the temperature of the canned beverage 44.

When the heater is provided on the side surface of the holder, there is generally a problem that a gap is likely to be formed between the can and the side surface of the holder, and heat cannot be directly applied to the canned beverage. In this case as well, heat cannot be efficiently added to the canned beverage, the heat insulating effect becomes insufficient, and much electric power is consumed to raise the temperature of the heater more than necessary.

Also, in the case of a holder for cooling, the heat insulation is insufficient and it tends to consume a large amount of electric power. The structure that combines both cooling and heating becomes unnecessarily complicated and has a drawback in that it can be easily used in an automobile.

Therefore, it is an object of the present invention to provide a structure capable of easily keeping the temperature of canned beverages and the like and reducing the power consumption.

[0015]

A sheet-type heat retaining body according to the present invention includes at least a heater-shaped heater wire for passing an electric current to generate heat, and has a flexible sheet-shaped sheet heater and is attached so as to be superposed on the sheet heater. The heat insulating cloth and the fixing means for fixing the seat heater and the heat insulating cloth so as not to be loosened when wound around the object.

Further, in another sheet type heat retaining body of the present invention, in the above structure, a sheet heat retaining body including a plurality of Peltier elements is used instead of the sheet heater including the heater wire.

[0017]

According to the present invention, the heat insulating cloth to which the seat heater is attached is wrapped around the canned drink with the seat heater inside, and is fixed by the fixing means, so that the object such as the canned drink and the seat heater are brought into close contact with each other. Can be made. Therefore, heat can be efficiently applied. Also, since it is wrapped with a heat insulating cloth, the heat insulating effect can be maintained so that heat does not escape from the can.

Further, not only heating but also cooling can be performed by forming the seat heater with a plurality of Peltier elements instead of the heater wire.

[0019]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS The present invention will be described below with reference to the drawings. FIG. 1 shows an embodiment of the sheet type heat retaining body of the present invention.

FIG. 1A is a front view of this embodiment.
(b) is a side view of the present embodiment. As shown in FIG. 1A, the seat heater 1 is composed of at least a heater wire 7 and a thermistor 8, and an electric wire take-out portion 2 to which the heater wire 7 is connected is attached.

The seat heater 1 is typically made of a silicone rubber sheet, and two silicone rubber sheets are closely attached so that the heater wire 7 and the thermistor 8 are sandwiched between them.
Be composed. Similar sheet heaters 1 are commercially available, and the thermistor 8 may be attached to such a commercially available product.

As the material for the seat heater 1, any material other than the above-mentioned silicon rubber may be used as long as it has good thermal conductivity, heat resistance, insulation, and flexibility. However, the silicone rubber is not limited to the above silicone rubber.

As shown in FIG. 1A, the seat heater 1 is adhered to the heat insulating cloth 3. The heat insulating cloth 3 is formed to be larger than the seat heater 1, and is particularly larger than the seat heater 1 in the longitudinal direction so that the surface fastener 4 can be attached.

The heat insulating cloth 3 can block heat in and out and may be made of any flexible material. For example,
Brushed cloth and quilting are suitable. Since a raised cloth or quilting has a property of storing air inside, this air effectively acts as a heat insulating material and can provide an effective heat insulating effect.

A surface fastener 4 is provided on the side of the heat insulating cloth 3 to which the seat heater 1 is attached. There are two types of hook-and-loop fasteners, one of which has a hook-shaped protrusion on a cloth-shaped base and the other of a second type having a loop-shaped projection on a cloth-shaped base. The hook-shaped protrusion of the surface fastener is hooked on the second-type loop-shaped protrusion to connect the first and second types of surface fasteners.

The hook-and-loop fastener 4 plays a role of securely tightening and fixing the heat insulating cloth 3 to the can when the canned beverage or the like is wound. When the heat insulation cloth 3 is made of a raised cloth, the hook-and-loop fastener 4 is used on the hook side. The napped cloth has a large number of loop-shaped threads formed on the surface thereof, and can be joined to the hook-side hook-and-loop fastener 4 at any position when winding a canned beverage or the like. Therefore, an object of any size can be wrapped within the size of the raised cloth.

When the heat insulating cloth 3 is formed by quilting, a surface fastener of a type that can be joined to the surface fastener 4 is provided at a position where the surface fastener 4 reaches when the canned beverage or the like is wound. As shown in FIG. 1B, the surface fastener 9 is provided on the back side of the heat insulating cloth 3. In this case, the two surface fasteners may be on the hook side and the loop side, respectively. When the heat-insulating cloth 3 is a raised cloth, the raised cloth has to be on the hook side because the raised cloth plays a role of a loop-side hook-and-loop fastener. Fasteners are provided on the front and back of the quilting, so it is a fastener 4
Can be on the hook side or the loop side.

The size of the heat insulating cloth 3 may be adjusted according to what is to be wrapped, but when it is considered to be used for canned drinks, the length of the longer one (direction wound around the can) Is about 200 mm, and the shorter length is about 70-
It is preferably about 80 mm. That is, since the size of the can of the canned drink is approximately 60 mm for the large cans and about 50 mm for the small cans, this size covers the canned drink in a wide area. By making the seat heater 1 according to this size, the canned beverage can be heated in a sufficiently large area.

Therefore, the heat can be efficiently applied to the canned beverage and the can beverage can be heated in a short time, so that it is not necessary to raise the temperature of the seat heater 1 to an unnecessarily high temperature. That is, the temperature of the seat heater 1 may be a heat retention temperature (70 to 80 ° C.), and the can can be held while the heat insulating cloth 3 is wrapped around the canned beverage.

A cord 10 extends from the electric wire take-out portion 2 to reach the control circuit 5. The control circuit 5 includes at least a heater current relay, detects the temperature from the resistance change of the thermistor 8, and turns on / off the relay that supplies the current to the heater wire. As a result, the temperature of the seat heater can be kept substantially constant.

The control circuit 5 is provided with a cigarette lighter plug 6 for obtaining a current from the cigarette lighter. FIG. 1 (b) is a side view of the sheet type heat retaining body of FIG. 1 (a), and shows that the heat insulating cloth 3 is attached to the theta heater 1 so as to overlap with it. As described above, the hook-and-loop fastener 9 is not necessary when the heat insulating cloth 3 is a raised cloth, and when the heat insulating cloth 3 is quilting, it is suitable according to the size of the object to be wrapped (size of the canned beverage). It is provided at various positions.

FIG. 2 is a schematic view showing a usage state of the sheet type heat retaining body of the present invention. As shown in the drawing, in the use state, the seat heater is placed inside, the heat insulating cloth 3 is wound, and the surface fastener is used to stop the heat insulating cloth 3. The electric wire take-out portion 2 is provided outside the heat insulating cloth 3, and the cord 10 receives electric current from a cigarette lighter (not shown).

As is clear from the figure, since the heat insulating cloth 3 is closely adhered to the canned drink 20, there is no gap between the canned drink 20 and the heat theta, and the heat theta contacts the canned drink 20 over a wide area. Is configured. In this way, the heat is efficiently conducted from the heat theta to the canned beverage 20, and the heat insulating cloth 3 prevents heat from escaping from the canned beverage 20, thus contributing to the reduction of power consumption.

In practice, it is most effective to use a commercially available can holder with the can wrapped with the sheet-type heat retaining body of this embodiment. Further, since the heat insulating cloth 3 and the seat heater are flexible when not in use, they can be folded and stored compactly in a glove box or the like.

FIG. 3 shows another embodiment in which the sheet type heat retaining body of the present invention can perform both heating and cooling. 3 (a) and 3 (b), the same components as those in the embodiment of FIG. 1 are designated by the same reference numerals. Also, since many parts perform the same function as the embodiment of FIG. 1, different parts will be mainly described.

In FIGS. 3 (a) and 3 (b), a seat heat insulator 31 is provided instead of the seat heater of the embodiment shown in FIG. The sheet heat retaining body 31 is made of silicone rubber or the like, and is configured such that the internal element is sandwiched between two sheets of silicone rubber. In addition to the thermistor 8, a plurality of Peltier elements 30-1 to 30-10 are incorporated in the seat heat insulating body 31 instead of the heater wire as shown in FIG. 3 (a).

Since the Peltier elements 30-1 to 30-10 have the characteristic of absorbing and releasing heat by the electric current flowing through them, by adopting such a structure, an object (for example, a canned beverage) can be obtained. ) Can be cooled in addition to being heated.

Also in cooling, by forming the sheet heat insulating body 31 or the heat insulating cloth 3 sufficiently large, when heat is taken from a canned beverage or the like, it can be taken from a larger area, so that efficient cooling can be achieved. it can. Further, since the heat insulating cloth 3 covers the canned beverage and the like, the sheet type heat retaining body itself becomes like a simple cooler box, and the cooling effect can be made effective.

The control circuit 35 is almost the same as the control circuit 5 in FIG. 1 and includes at least a relay similar to the heater current relay, but turns on / off the relay for both high and low set temperatures. Need to be configured. However, details of such a control circuit 35 are left to those skilled in the art.

The sheet-type heat retaining body of the present invention not only warms and cools drinks such as canned beverages,
By appropriately setting the temperature, it is possible to cool or warm a human joint, for example.

[0041]

According to the present invention, an object such as a canned beverage and the seat heater are secured to each other by wrapping the heat insulating cloth having the seat heater attached thereto with the seat heater inside and wrapping it around a canned beverage or the like and fixing it with a surface fastener. Can be closely attached.
Therefore, heat can be efficiently added to the canned beverage and the like, the consumed power can be suppressed to be small, and the warm beverage can be drunk deliciously.

Further, since it is wrapped by a heat insulating cloth, heat does not escape to the outside, and if it is constructed to have a size that just covers the object, it can be heated quickly, so it is more than necessary. There is no need to heat the heater to high temperature, and no extra power is consumed.

Further, since the whole is made of a flexible sheet-like material, it can be folded small when not in use and can be stored in a glove box or the like. Further, by using a seat heat insulator having a plurality of Peltier elements instead of the seat heater, not only heating but also cooling can be performed. Therefore, in summer, a cold drink can be deliciously drunk in the car.

Since the sheet-type heat retaining body of the present invention is simply wrapped around a canned beverage or the like and the power is turned off from the cigarette lighter, the beverage can be kept warm easily.

[Brief description of the drawings]

FIG. 1 is a configuration diagram showing one embodiment of the present invention.

FIG. 2 is a diagram showing a usage state of an embodiment of the present invention.

FIG. 3 is a diagram showing another embodiment of the present invention.

FIG. 4 is a diagram showing a configuration of a conventional canned beverage heat retention holder.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 seat heater 2 electric wire take-out part 3 heat insulation cloth 4 surface fastener 5 control circuit 6 cigar lighter plug 7 heater wire 8 thermistor 9 surface fastener 10 cord 20 canned beverage 30-1 to 30-10 Peltier element 31 sheet heat retaining body 40 holder 41 weight Detection type switch 42 Heater 43 Cigar lighter socket 44 Canned beverage

 ─────────────────────────────────────────────────── ─── Continuation of the front page (72) Inventor Yukihiro Yamamoto 2-chome, Toyota-cho, Kariya city, Aichi stock company Toyota Industries Corp.

Claims (10)

[Claims] 1. A sheet-shaped sheet heater having flexibility, including at least a heater wire for passing an electric current to generate heat, and mounted so as to be superposed on the sheet heater,
A sheet-type heat retaining body comprising: a heat insulating cloth having a heat insulating property; and a fixing means for fixing the sheet heater and the heat insulating cloth so as not to be loosened when wound around an object. 2. The sheet type heat retaining body according to claim 1, wherein the heat insulating cloth is a raised cloth. 3. The sheet type heat retaining body according to claim 1, wherein the heat insulating cloth is quilted. 4. The sheet-type heat retaining body according to claim 1, wherein the fastener is a surface fastener. 5. The seat heater further comprises a thermistor showing a resistance change with a temperature change, the seat type heat retaining body includes at least a relay, and the relay is turned on / off according to a change in the resistance of the thermistor. 5. A control circuit for controlling the supply of current to the heater wire according to claim 1 is further included.
The sheet-type heat retaining body according to any one of 1. 6. A flexible sheet-shaped sheet heat retaining body including at least a Peltier element that releases or absorbs heat when an electric current flows, and is attached so as to be superposed on the sheet heat retaining body,
A sheet-type heat retaining body comprising: a heat-insulating cloth having a heat insulating property; and a fixing means for fixing the sheet heat-insulating body and the heat-insulating cloth so as not to be loosened when wrapped around an object. 7. The sheet type heat retaining body according to claim 6, wherein the heat insulating cloth is a raised cloth. 8. The sheet type heat retaining body according to claim 6, wherein the heat insulating cloth is quilted. 9. The sheet-type heat retaining body according to claim 6, wherein the fastener is a surface fastener. 10. The sheet heat retaining body further comprises a thermistor that exhibits a resistance change with a temperature change, and the sheet type heat retaining body includes at least a relay, and the relay is turned on / off in accordance with a change in the resistance of the thermistor. 7. A control circuit for controlling the supply of current to the Peltier device is thereby further provided.
The sheet-type heat retaining body according to any one of items 1 to 9.