JP2002222460A - Heating device and automatic vending machine using the same device - Google Patents

Abstract

PROBLEM TO BE SOLVED: To heat an object to be heated to a proper temperature regardless of the weight of the object by a heating device which quickly heats the object. SOLUTION: Water supplied to a heat conduction pipe 28 arranged in a heat accumulating tank 26 filled with a heat accumulating material 27 heated by a heat accumulating material heating means 29 becomes overheated steam through heat exchange with the heat accumulating material 27 and passes through an opening/closing valve 25 and is jetted to the object 24 to be heated in the heating box 21 from the jeating means 22, but a heating time determining means 37 determines the time of heating by the overheated steam according to the weight of the object 24 detected by a weight detecting means 35 and the material of the object 24 stored in a storage means 36 and an opening valve control means 38 opens the opening/closing valve 25 for the heating time determined by the heating time determining means 37, so the heating time is automatically adjusted according to the weight of the object, so that the object 24 which differs in weight can be heated to a proper temperature in a short time.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a heating device for rapidly heating and providing an object to be heated and a vending machine using the device.

[0002]

2. Description of the Related Art A conventional heating device is disclosed in
There is a vending machine product heating apparatus as disclosed in Japanese Patent No. 42471.

Hereinafter, the above-mentioned conventional technology will be described with reference to the configuration diagram of the conventional heating device shown in FIG.

In FIG. 8, reference numeral 1 denotes a hot water bath. Reference numeral 2 denotes a tank wall having a can supply port 3a and a can discharge port 3b.
4 is, for example, hot water of about 90 ° C. and is filled to a position lower than the can supply port 3a and the can discharge port 3b.

[0005] Reference numeral 5 denotes an electric heater. Reference numeral 6 denotes a lattice-shaped can holder having a U-shaped cross section, which is connected to a vibrator (not shown) outside the hot tub 1. Reference numeral 7 denotes a can supply chute, which is connected to the can supply port 3a. Reference numeral 8 denotes a discharge chute, which is connected to the can discharge port 3b. 9
Is a supply door attached to the can supply port 3a.
Closes automatically after passing. Reference numeral 11 denotes a discharge door attached to the can discharge port 3b, which automatically closes after the can 10 passes.

Reference numeral 12 denotes a lifting arm, which suspends the can holder 6. Reference numeral 13 denotes a U-shaped lattice-shaped can fixing device which is suspended by an elevating arm 14 and presses the can 10 from above. Reference numeral 15 denotes a water supply pipe.

Reference numeral 16 denotes a sensor for detecting that the can 10 is held by the can holder 6, which is attached to a position of the can holder 6 at the bottom of the tank. 17a is a sensor for detecting that the can 10 has been supplied to the hot tub 1,
It is attached to the can supply chute 7. 17b is can 1
Reference numeral 0 denotes a sensor that detects that the water is discharged from the hot tub 1, and is attached to the discharge chute 8.

Reference numeral 18 denotes a hook rod, which is attached to the inside of the bathtub 1 located below the can outlet 3b.

[0009] The operation of the heating device configured as described above will be described below.

First, a coin is inserted into a vending machine and Ho
When the canned beverage is selected, the can 10 is pushed from the can storage section through the can supply chute 7 to open the supply door 9 of the can supply port 3a and falls into the can holder 6. At that time, the electric heater 5 is turned on by the sensor 17a.

When the can 10 is held by the can holder 6, the sensor 16 at the bottom of the tank operates, and the can fixture 13 is lowered by the lifting arm 14 to fix the can 10.

Next, the vibrator (not shown) is
Shake the can 10 for 30 seconds. 55-60 ° C inside the can 10
Then, the elevating arms 12 and 14 are fixed with the can 10 fixed.
Rises. Next, the can fixture 13 is further raised by the lifting arm 14, and the can fixture 13 does not descend until the next can 10 enters and falls into the can holder 6, and waits without waiting.

When the lifting arm 12 is lifted, the can holder 6 is hooked on the hook rod 18 to be inclined, and the can 10
Pushes the discharge door 11 open from the can discharge port 3b and is discharged to the discharge chute 8.

Since the discharge chute 8 has the sensor 17b, it is actuated by the descending can 10, and the elevating arm 12 and the can holder 6 descend to return to the bottom of the bathtub 1.

By repeating the above operation, the can 10 is supplied for heating, heated in the hot tub 1 by being vibrated, and discharged after a certain period of time.

The heating time is determined by supplying a commercially available milk can with a temperature sensor to the apparatus shown in FIG. 8 and measuring the changes in the temperature of the milk and the temperature of the hot water in the center of the can with time to obtain the desired heating time. The required heating time for the temperature is set.

According to the experimental results, it took about 20 seconds to heat 200 ml of milk from 20 ° C. to 55 ° C. with the temperature of hot water 4 set at 90 ° C.

When a 1 kW electric heater 5 is used, after heating 200 ml of milk, the temperature of hot water 4 is reduced to 9
It took 30 seconds until the temperature rose to 0 ° C., that is, until the next product could be heated.

[0019]

However, in the above-mentioned conventional structure, since the hot water 4 of about 90 ° C. is used as the heating source of the can 10, the heating time is prolonged and the customer is uncomfortable. was there.

An object of the present invention is to solve the above-mentioned conventional problems, and an object of the present invention is to provide a heating apparatus capable of heating an object to be heated to an appropriate temperature in a short time.

Further, since the above-mentioned conventional configuration does not automatically cope with a change in the weight (content) of the can 10, in order to heat a product having a different weight to an appropriate temperature, the heating must be performed each time. There was a disadvantage that the time had to be set.

Another object of the present invention is to automatically change heating conditions according to the weight of an object to be heated.

[0023]

According to a first aspect of the present invention, there is provided a heating apparatus for holding an object to be heated, and ejection means for ejecting superheated steam to the object to be heated. A heating box provided with weight detecting means for detecting the weight of the object to be heated, a bottom portion of a tank in which water is supplied from a water supply means and storing a predetermined amount of water, and water flowing out from the bottom portion of the tank. A pump, a water amount adjusting valve for adjusting a flow rate of water carried out of the pump, and water or steam flowing in the heat storage tank which is disposed in a heat storage tank filled with a heat storage material heated by the heat storage material heating means and the heat storage A heat transfer tube for exchanging heat with the material, an opening / closing valve opened when the superheated steam is spouted from the spouting means, and superheated steam formed by sequentially connecting the spouting means via a pipe to the spouting means. Supply means Storage means for storing the material of the object to be heated; heating time determination for determining a heating time by superheated steam based on the weight detected by the weight detection means and the material of the object to be heated stored in the storage means; Means, a heating time control means comprising an on-off valve control means for opening the on-off valve only during the heating time determined by the heating time determination means when heating the object to be heated by superheated steam, High-temperature superheated steam is used as the heating source, and the amount of heat given to the object to be heated can be adjusted by controlling the opening time of the on-off valve, that is, the heating time by the superheated steam, according to the weight of the object to be heated. It has the effect that it can be heated to an appropriate temperature in a short time regardless of the weight of the object.

According to a second aspect of the present invention, there is provided a heating device, comprising: holding means for holding an object to be heated; ejecting means for ejecting superheated steam to the object to be heated; and weight detecting means for detecting the weight of the object to be heated. A heating box provided with a water supply means, a bottom of a tank for storing a predetermined amount of water supplied with water from the water supply means, a pump for conveying water flowing out from the bottom of the tank, and a flow rate of water discharged from the pump. A heat transfer tube arranged in a heat storage tank filled with a heat storage material heated by the heat storage material heating means and performing heat exchange between water or steam flowing through the heat storage material and the heat storage material; An on-off valve that is opened when superheated steam is blown out from the supply unit, a supply unit that supplies the superheated steam to the blowout unit by sequentially connecting the blowout unit via a pipe, and stores a material of the object to be heated in advance. Storage means for causing Steam temperature determining means for determining the temperature of the superheated steam, based on the material of the object to be heated stored weight which is detected by the serial weight detection means and to said storage means,
Steam temperature adjustment means comprising water amount adjustment valve opening degree control means for controlling the opening of the water amount adjustment valve according to the output of the steam temperature determination means, and according to the weight of the object to be heated, By adjusting the opening of the water amount adjusting valve, the amount of heat given to the object to be heated can be adjusted by adjusting the temperature of the steam temperature, so that it has the effect of heating to an appropriate temperature in the same time regardless of the weight of the object to be heated. . Further, by adjusting the temperature of the superheated steam as desired, the temperature of the object to be heated after heating can be easily adjusted.

According to a third aspect of the present invention, there is provided a vending machine provided with the heating device according to the first or second aspect in the middle of a product transport path between a storage room for a product to be heated and sold and a product outlet. And heating the product having a temperature lower than the temperature at the time of sale of the product carried out of the storage room to the temperature at the time of sale of the product by the heating device, and then carrying out the product to the product outlet. Since high-temperature superheated steam is used as the source, it is possible to heat and sell the product at an appropriate temperature in a short time. Further, the heating time or the steam temperature is controlled in accordance with the weight (content) of the product, the amount of heat given to the product can be adjusted, and the product can be heated to an appropriate temperature regardless of its size. In addition, by injecting high-temperature superheated steam into the product for a short time, it is possible to sterilize the product surface.

[0026]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, an embodiment of a heating device according to the present invention will be described with reference to the drawings.

(Embodiment 1) FIG. 1 is a schematic configuration diagram of a heating apparatus according to Embodiment 1 of the present invention. FIG. 2 is a characteristic diagram illustrating a heating time with respect to a weight of the object to be heated according to the embodiment. FIG. 6 is a schematic configuration diagram viewed from the front of a vending machine provided with the heating device of the embodiment. FIG.
It is the schematic structure figure seen from the side of the vending machine.

In FIG. 1, reference numeral 21 denotes a heating box, which is made of stainless steel to form a box. 22 is a jetting means,
It is a nozzle attached to the upper part of the heating box 21 and has a mouth shape such that superheated steam is blown out at a wide angle. 23 is a holding means, which is a U-shaped lattice plate. Reference numeral 24 denotes an object to be heated. In the present embodiment, a canned beverage is assumed.

Reference numeral 25 denotes an on-off valve, which is located upstream of the jetting means 22. 26 is a heat storage tank. Reference numeral 27 denotes a heat storage material inside the heat storage tank 26, which uses crushed magnesia rock and can store heat at a high temperature of 500 ° C. 28 is a heat transfer tube. Reference numeral 29 denotes a heat storage material heating means, which uses a Shih Tzu heater. Reference numeral 30 denotes a heat insulating material.

Reference numeral 31 denotes a water amount adjusting valve, which uses an automatic adjusting valve. 32 is a pump for conveying water. 33 is a tank which always stores a certain amount of water. Numeral 34 denotes water supply means for supplying water, and supplies water when the amount of water in the tank 33 decreases.

Numeral 35 is a weight detecting means attached to the bottom of the holding means 23, and uses a load cell. 3
Reference numeral 6 denotes storage means for storing in advance the material of the object to be heated 24, in which the material (for example, black tea) of the canned beverage is stored.

Reference numeral 37 denotes a heating time determining means which determines the amount of heat required to heat the object 24 to an appropriate temperature based on the weight detected by the weight detecting means 35 and the material stored in the storage means 36. By discriminating, a predetermined steam temperature (for example, 2
(00 ° C.) determines the heating time required to supply this heat. 38: Open / close valve control means, which sends an open / close signal to the open / close valve 25 based on the heating time determined by the heating time determining means 37.

Reference numeral 39 denotes a heating time control means comprising a heating time determination means 37 and an on-off valve control means 38.

The pipes 40a, 40b, and 40c are provided with a water supply means 34, a tank 33, a pump 32, and a water amount adjusting valve 3.
1, the heat transfer tube 28, the on-off valve 25, and the jetting means 22 are connected.

Reference numeral 41 denotes a heating device having the above configuration.

6 and 7, reference numeral 46 denotes a main body case of the vending machine. Reference numerals 47a and 47b denote storages, in which canned beverages of the object to be heated 24 which are sold hot are stored. 47b stores canned beverages sold cold.

Reference numeral 48 denotes a product outlet. The heating box 21 is located above the product outlet 48. Reference numeral 49 denotes a carry-in chute for guiding the object to be heated 24 (canned beverage) to the heating box 21.

The operation of the heating device configured as described above will be described below.

When the customer purchases a cold beverage, the customer is led directly to the product outlet 48 from the storage 47b.

When the customer purchases a hot beverage, the object to be heated 24 is transferred from the storage 47a to the carry-in chute 4
It is led to the heating box 21 through 9.

The object to be heated 24 guided to the heating box 21 is held by a U-shaped lattice plate of the holding means 23. Thereafter, the weight of the object to be heated 24 is detected by the weight detecting means 35. For example, the weight of a canned beverage sold hot is 190,25.
It is roughly divided into four types of 0.280.340 g.

FIG. 2 shows the relationship between the weight of the object to be heated 24 and the heating time when the object to be heated 24 is heated from 25 ° C. to 55 ° C. with superheated steam at 200 ° C. as a canned beverage. From such characteristics, the heating time determining means 37 determines the required heating time, and the on-off valve control means 38 sends an open signal to the on-off valve 25. And after the required heating time has passed,
A closing signal is sent to the on-off valve 25 to end the heating of the object 24 to be heated.

As described above, the heating apparatus according to the present embodiment comprises the holding means 23 for holding the object to be heated 24, the object to be heated 2
4 is a heating box 21 provided with an ejection means 22 for ejecting superheated steam and a weight detection means 35 for detecting the weight of the object 24 to be heated.
A bottom portion of a tank 33 that is supplied with water from a water supply means 34 and stores a predetermined amount of water; a pump 32 that conveys water flowing out of the bottom portion of the tank 33; and a water amount that adjusts the flow rate of water discharged from the pump 32. Regulating valve 31 and heat storage material heating means 2
Storage tank 26 filled with heat storage material 27 heated by
Water or water vapor and heat storage material 2 that is placed inside and circulates inside
A heat transfer tube 28 for exchanging heat between the heat transfer tube 7 and an on-off valve 25 which is opened when the superheated steam is jetted from the jetting means 22;
Supply means for supplying superheated steam to the ejection means 22 by sequentially connecting the ejection means 22 via a pipe, storage means 36 for storing the material of the object 24 to be heated in advance, and weight detection means 35 are detected. Heating time determining means 37 for determining the heating time by the superheated steam based on the weight and the material of the heated object 24 stored in the storage means 36; heating time determining means for heating the on-off valve 25 when the heated object 24 is heated by the superheated steam; 3
Heating time control means 39 comprising an on-off valve control means 38 for opening only during the heating time determined by 7;
Since a high-temperature superheated steam is used as a heating source and the opening time of the on-off valve 25, that is, the heating time by the superheated steam can be controlled in accordance with the weight of the object 24, the amount of heat given to the object 24 can be adjusted. In addition, heating to an appropriate temperature can be performed in a short time regardless of the weight of the object 24 to be heated.

The object to be heated 24 is heated by applying sensible heat from the superheated steam and latent heat when condensing on the surface of the object to be heated 24. At this time, the surface of the object to be heated 24 is dewed,
Since the water droplets are separated from the surface by the ejection speed of the superheated steam ejected from the ejection means 22, the object 24 can be heated in a short time because the latent heat of condensation can be effectively used.

In the vending machine of the present embodiment, the heating device 41 is provided in the middle of the product transport path between the storage room 47a for the product to be heated and sold and the product outlet 48.
The product (the object to be heated 24) having a temperature lower than the temperature at the time of sale of the product carried out from a is heated to the temperature at the time of sale of the product by the heating device 41, and then carried out to the product outlet 48. In addition, since high-temperature superheated steam is used as a heating source, it is possible to heat and sell a product at an appropriate temperature in a short time. Further, the heating time or the steam temperature is controlled in accordance with the weight (content) of the product, the amount of heat given to the product can be adjusted, and the product can be heated to an appropriate temperature regardless of its size. In addition, by injecting high-temperature superheated steam into the product for a short time, it is possible to sterilize the product surface.

(Embodiment 2) FIG. 3 is a schematic configuration diagram of a heating apparatus according to Embodiment 2 of the present invention. FIG. 4 is a characteristic diagram showing the steam temperature with respect to the weight of the object to be heated in the embodiment. FIG. 5 is a characteristic diagram showing a water amount regulating valve opening degree with respect to a steam temperature in the embodiment. FIG. 6 is a schematic configuration diagram viewed from the front of a vending machine provided with the heating device of the embodiment. FIG. 7 is a schematic configuration diagram of the vending machine viewed from a side.

The same components as those in the first embodiment of the present invention are denoted by the same reference numerals, and detailed description thereof will be omitted.

In FIG. 3, reference numeral 42 denotes a steam temperature determining means for heating the object 24 to an appropriate temperature based on the weight detected by the weight detecting means 35 and the material stored in the storage means 36. The required amount of heat is determined, and the steam temperature required to supply this amount of heat is determined in a predetermined time (for example, 10 seconds).

Reference numeral 43 denotes a water amount regulating valve opening degree control means, based on the steam temperature determined by the steam temperature determination means 42,
A water amount increase / decrease signal is sent to the water amount adjustment valve 31. Reference numeral 44 denotes a steam temperature adjusting means constituted by a steam temperature determining means 42 and a water amount adjusting valve opening degree controlling means 43.

Reference numeral 45 denotes a heating box 21, an opening / closing valve 25, a heat storage tank 26, a water amount adjusting valve 31, a pump 32, a tank 33, a water supply means 34, pipes 40a, 40b, 40c, and a storage means 3.
6. A heating device comprising the steam temperature adjusting means 44. The internal configurations of the heating box 21 and the heat storage tank 26 are the same as those in the first embodiment of the present invention.

The operation of the heating device configured as described above will be described below. Only the control of the steam temperature different from that of the first embodiment of the present invention will be described.

FIG. 4 shows the temperature of the superheated steam required for heating the object to be heated 24 from 25 ° C. to 55 ° C. in a heating time of 10 seconds, according to the weight, according to the weight.

FIG. 5 shows a water amount adjusting valve 31 with respect to the steam temperature.
The opening degree is shown.

First, the object to be heated 24 is detected by the weight detecting means 35.
Detect the weight of Next, based on the characteristics shown in FIG. 4, the steam temperature determining means 42 determines the steam temperature according to the weight of the heated object 24 and the material of the heated object 24 stored in the storage means 36. Then, based on the characteristics shown in FIG. 5, the water amount regulating valve opening control means 43 sends an increase / decrease signal of the opening amount of the water amount regulating valve 31 to the water amount regulating valve 31 to adjust the steam amount by increasing / decreasing the water amount. .

As described above, the heating device of the present embodiment
A heating box 21 including a holding unit 23 for holding the object to be heated 24, an ejection unit 22 for ejecting superheated steam to the object to be heated 24, and a weight detection unit 35 for detecting the weight of the object to be heated 24;
A bottom portion of a tank 33 that is supplied with water from a water supply means 34 and stores a predetermined amount of water, a pump 32 that conveys water flowing out of the bottom portion of the tank 33, and a water amount regulating valve that regulates a flow rate of water carried out of the pump 32 31, a heat transfer tube 28 arranged in a heat storage tank 26 filled with a heat storage material 27 heated by a heat storage material heating means 29 and exchanging heat between water or steam flowing through the inside and a heat storage material 27; An opening / closing valve 25 that is opened when the superheated steam is jetted from the jetting unit 22; a supply unit that supplies the superheated steam to the jetting unit 22 by connecting the jetting unit 22 via pipes 40a, 40b, and 40c in order; Storage means 3 for storing the material of the object to be heated 24
6, the steam temperature determining means 42 for determining the temperature of the superheated steam based on the weight detected by the weight detecting means 35 and the material of the heating target 24 stored in the storage means 36, and the output of the steam temperature determining means 42 And a steam temperature adjusting means 44 comprising a water amount adjusting valve opening degree control means 43 for controlling the opening of the water amount adjusting valve 31 in accordance with the weight of the object 24 to be heated. By adjusting the opening degree, the amount of heat given to the object to be heated 24 can be adjusted by adjusting the temperature of the steam temperature, so that the object to be heated 24 can be heated to an appropriate temperature in the same time regardless of its weight. In addition, by adjusting the temperature of the superheated steam as desired, the temperature of the heated object 24 after heating can be easily adjusted. In addition, at a time when fungi easily propagate, the surface of the heated object 24 can be sterilized by injecting high-temperature superheated steam into the heated object 24 for a short time.

[0056]

As described above, the heating apparatus according to the first aspect of the present invention comprises holding means for holding an object to be heated, ejection means for ejecting superheated steam to the object to be heated, and weight of the object to be heated. A heating box provided with a weight detecting means for detecting the water, a bottom of a tank for storing a predetermined amount of water supplied with water from a water supply means, a pump for conveying water flowing out from the bottom of the tank, and a discharge from the pump. A water flow control valve for adjusting the flow rate of the discharged water, and heat exchange between water or water vapor flowing through the heat storage material, which is disposed in a heat storage tank filled with the heat storage material heated by the heat storage material heating means, and the heat storage material. A heat transfer tube to be supplied, an on-off valve that opens when the superheated steam is spouted from the spouting means, and a supply means for supplying the superheated steam to the spouting means by connecting the spouting means to the spouting means via a pipe in order. Describe the material of the object to be heated Storage means for performing heating, heating time determination means for determining heating time by superheated steam based on the weight detected by the weight detection means and the material of the object to be heated stored in the storage means, and the heating by superheated steam. Heating time control means comprising on-off valve control means for opening the on-off valve only during the heating time determined by the heating time determination means at the time of heating the object,
High-temperature superheated steam is used as the heating source, and the amount of heat given to the object to be heated can be adjusted by controlling the opening time of the on-off valve, that is, the heating time by the superheated steam, according to the weight of the object to be heated. It can be heated to an appropriate temperature in a short time regardless of the weight of the object.

Further, the invention of a heating apparatus according to a second aspect of the present invention provides a holding device for holding an object to be heated, an ejection device for ejecting superheated steam to the object to be heated, and a weight detection device for detecting the weight of the object to be heated. Means, a heating box having means for supplying water, a bottom portion of a tank for storing a predetermined amount of water supplied with water from a water supply means, a pump for conveying water flowing out from the bottom of the tank, and a flow rate of water discharged from the pump. And a heat transfer tube that is arranged in a heat storage tank filled with a heat storage material to be heated by the heat storage material heating means and performs heat exchange between water or steam flowing through the heat storage material and the heat storage material, An on-off valve that opens when the superheated steam is spouted from the spouting means, a supply means for supplying the superheated steam to the spouting means by connecting the spouting means via a pipe in order, and a material of the object to be heated in advance Memorizing hands And steam temperature determining means for determining the temperature of superheated steam based on the weight detected by the weight detecting means and the material of the object to be heated stored in the storage means, according to the output of the steam temperature determining means. Steam temperature adjusting means comprising water amount adjusting valve opening degree control means for controlling the opening degree of the water amount adjusting valve, wherein the opening degree of the water amount adjusting valve is adjusted in accordance with the weight of the object to be heated. Accordingly, the amount of heat given to the object to be heated can be adjusted by adjusting the temperature of the steam temperature, so that the object to be heated can be heated to an appropriate temperature in the same time regardless of the weight of the object. Further, by adjusting the temperature of the superheated steam as desired, the temperature of the object to be heated after heating can be easily adjusted.

According to a third aspect of the present invention, there is provided a vending machine according to the first or second aspect, wherein the heating device is provided in the middle of a product transport path between a storage room for products to be heated and sold and a product outlet. In the configuration, the product having a temperature lower than the temperature at the time of sale of the product carried out from the storage room is heated to the temperature at the time of sale of the product by the heating device, and then is carried out to the product outlet. In addition, since high-temperature superheated steam is used as a heating source, it is possible to heat and sell the product at an appropriate temperature in a short time. Further, the heating time or the steam temperature is controlled in accordance with the weight (content) of the product, the amount of heat given to the product can be adjusted, and the product can be heated to an appropriate temperature regardless of its size. In addition, by injecting high-temperature superheated steam into the product for a short time, it is possible to sterilize the product surface.

[Brief description of the drawings]

FIG. 1 is a schematic configuration diagram of a first embodiment of a heating device according to the present invention.

FIG. 2 is a characteristic diagram showing a heating time with respect to a weight of an object to be heated according to the embodiment.

FIG. 3 is a schematic configuration diagram of Embodiment 2 of a heating device according to the present invention.

FIG. 4 is a characteristic diagram showing the steam temperature with respect to the weight of the object to be heated in the embodiment.

FIG. 5 is a characteristic diagram showing a water amount regulating valve opening degree with respect to a steam temperature in the embodiment.

FIG. 6 is a schematic configuration diagram of a vending machine provided with the heating device according to the first or second embodiment as viewed from the front.

FIG. 7 is a schematic configuration diagram of the vending machine viewed from a side.

FIG. 8 is a configuration diagram of a conventional heating device.

[Explanation of symbols]

 Reference Signs List 21 heating box 22 ejection means 23 holding means 24 object to be heated 25 on-off valve 26 heat storage tank 27 heat storage material 28 heat transfer tube 29 heat storage material heating means 31 water amount adjustment valve 32 pump 33 tank 34 water supply means 35 weight detection means 36 storage means 37 heating Time determination means 38 Open / close valve control means 39 Heating time control means 40a, 40b, 40c Piping 41 Heating device 42 Steam temperature determining means 43 Water volume control valve opening control means 44 Steam temperature adjusting means 45 Heating devices 47a, 47b Storage 48 Product pick-up exit

Continuation of the front page (72) Inventor Shoji Kamei 4-5-2-5 Takaida Hondori, Higashi-Osaka City, Osaka Inside Matsushita Refrigerating Machinery Co., Ltd. (72) Kazuhiko Machida 4-5-2-5 Takaida Hondori, Higashi-Osaka City, Osaka Prefecture No. Matsushita Refrigeration Co., Ltd. F term (reference) 3E044 AA01 DB16 FB11 3E046 BA03 BB03 CA11 DA01 GA08 GA10

Claims (3)

[Claims] 1. A heating box comprising: holding means for holding an object to be heated; ejecting means for ejecting superheated steam to the object to be heated; and weight detecting means for detecting the weight of the object to be heated; A bottom portion of a tank for replenishing water and storing a predetermined amount of water, a pump for conveying water flowing out of the bottom portion of the tank, a water amount adjusting valve for adjusting a flow rate of water discharged from the pump, and a heat storage material heating means A heat transfer tube that is arranged in a heat storage tank filled with a heat storage material to be heated by heat exchange between water or steam flowing through the heat storage material and the heat storage material,
An on-off valve that opens when the superheated steam is spouted from the spouting means, a supply means for supplying the superheated steam to the spouting means by connecting the spouting means via a pipe in order, and a material of the object to be heated in advance A heating time determining means for determining a heating time by superheated steam based on a weight detected by the weight detecting means and a material of the object to be heated stored in the storage means; A heating device comprising: a heating time control unit including an on-off valve control unit that opens the on-off valve only during the heating time determined by the heating time determination unit when the object to be heated is heated. 2. A heating box comprising: holding means for holding an object to be heated; ejecting means for ejecting superheated steam to the object to be heated; and weight detecting means for detecting the weight of the object to be heated; A bottom portion of a tank for replenishing water and storing a predetermined amount of water, a pump for conveying water flowing out of the bottom portion of the tank, a water amount adjusting valve for adjusting a flow rate of water discharged from the pump, and a heat storage material heating means A heat transfer tube that is arranged in a heat storage tank filled with a heat storage material to be heated by heat exchange between water or steam flowing through the heat storage material and the heat storage material,
An on-off valve that opens when the superheated steam is spouted from the spouting means, a supply means for supplying the superheated steam to the spouting means by connecting the spouting means via a pipe in order, and a material of the object to be heated in advance Storage means for storing the temperature detected by the weight detection means and the temperature of the superheated steam based on the material of the heated object stored in the storage means, and the steam temperature determination means. And a steam temperature adjusting means comprising water amount adjusting valve opening control means for controlling the opening of the water amount adjusting valve according to the output of the heating device. 3. The heating device according to claim 1 or 2,
Prepared in the middle of the goods transport path between the storage room for the goods to be heated and sold and the goods take-out port, the goods having a temperature lower than the temperature at the time of selling the goods carried out of the storage room by the heating device are used. A vending machine characterized in that it is configured to be heated to a temperature and then carried out to a product outlet.