KR19990073725A - Cold and hot air vending machine - Google Patents

Abstract

The present invention relates to a cold and hot air vending machine that is capable of generating hot and cold air by driving a heater and a compressor according to a user input amount, a set temperature, an operation mode, and the like. A cold / hot beverage vending machine for dispensing a heated beverage to the outside by an ejection mechanism, comprising: a cold / hot wind selector installed at a front side of the vending machine door and selected to discharge cold and hot air respectively; A cold air outlet and a hot air outlet installed at the front of the door to discharge the cold air and hot air, respectively; A first connection passage connecting the cold air outlet and the cold beverage storage rack; A second connection passage connecting the hot air outlet and the hot beverage storage rack; First and second opening and closing means installed on the first and second connection passages to control opening and closing of the cold and warm air supplied from the storage rack to the cold and hot air outlets; When the cold air is selected from the cold and hot wind selector, the compressor opens the first opening and closing means, and when the hot air is selected from the cold and hot wind selector, the heater is driven and the second opening and closing means is opened. Characterized in that it consists of a control unit for controlling.

Description

Cold and hot air vending machine

The present invention relates to a cold and hot air vending machine using a cold and hot beverage vending machine, and more particularly, to a cold and hot air vending machine that is capable of selling cold and hot air using a heater and a compressor of a cold and hot beverage vending machine.

1 is a perspective view of a general cold and hot beverage vending machine, wherein the vending machine is coupled to a main body 1 forming its appearance, a front side of the main body 1 and a hinge to open and close the main body 1. It consists of a door (2).

Here, on the outer side of the door 2, a merchandise display stand 10 on which merchandise to be displayed is displayed, a selection key 20 for selecting merchandise, a merchandise outlet 30 through which merchandise is ejected, and a coin Coin inlet (40), bill inlet (50) into which bills are inserted, return lever (60) to be manipulated when returning change or change amount, coin return (70) into which coin is returned, sold or stopped At the same time, when there is no change, the sales status display unit 80 indicating that there is no change and the amount display unit 90 displaying the input amount and the change amount are provided.

Figure 2 is a drive control block diagram of the cold and hot beverage vending machine shown in FIG. The drive control block diagram is a coin mechanism 110, bill identifier 111, beverage selection unit 20, control unit 113, blowing fan motor drive unit 114, circulation fan motor drive unit 118, heater driving unit ( 115, the compressor driving unit 116, the eject mechanism 117, the circulation fan motor 17, the blowing fan motor 22, the heater 21, and the compressor 14.

In FIG. 2, the coin mechanism 110 detects whether or not a coin is inferior, a kind, and the like introduced through the coin inlet 40, and applies a coin detection signal thereto to the controller 113. And, the banknote identifier 111 identifies whether the forgery of the banknotes inserted through the banknote input port 50, and applies the banknote detection signal thereto to the controller 113.

In addition, the beverage selection unit 20 is provided with a plurality of selection buttons for selecting a beverage, when the user operates the selection button, and applies a key signal for it to the control unit 113. When the coin detection signal is input from the coin mechanism 110 or the bill detection signal is input from the bill identifier 111, and the key signal is input from the beverage selection unit 20, the beverage selected by the user is input. The ejection mechanism 117 is controlled to be discharged to discharge the selected beverage to the product outlet 30.

In addition, the controller 113 applies a compressor driving control signal to the compressor driver 116 when the temperature of the cold beverage storage rack 4 is higher than or equal to a predetermined temperature, thereby causing the compressor driver 116 to operate the compressor 14. At the same time, the circulating fan motor driving control signal is applied to the circulating fan motor driver 118 to drive the blower fan motor 22 to supply cold air to the storage rack 4.

The controller 113 applies a heater driving control signal to the heater driver 115 when the temperature of the hot beverage storage rack 5 is lower than or equal to a set temperature, thereby allowing the heater driver 115 to operate the heater 21. At the same time, the blower fan motor driving control signal is applied to the blower fan motor driver 114 to drive the blower fan motor 22 to supply warmth to the storage rack 5.

Figure 3 is a schematic internal configuration of the cold and hot beverage vending machine shown in FIG. As shown, an automatic vending device for automatically selling cans (for example, cans or beverages) includes a main body 1 which forms an exterior, and a hinge that is coupled to the main body 1 to open and close the main body 1. The door 2 and the discharge part 6 formed in the main body 1 so that the can drink accumulate | stored in the racks 4 and 5 are discharged.

In addition, a control box 12, a condenser 11, and a compressor 14 are disposed below the main body 1.

FIG. 4 is a vertical sectional view taken along the line A-A 'shown in FIG. 1, and as shown in the lower portion of the main body 1, the surrounding heat is cooled by the refrigerant so that the cold beverage stored in the rack 4 is cooled. An evaporator 13 which absorbs and performs heat exchange, a condenser 11 for condensing a refrigerant that has evaporated and absorbed heat by the evaporator 13, and the refrigerant condensed in the condenser 11 is transferred to the evaporator 13. A compressor 14 is provided for compressing the refrigerant to be supplied and evaporated.

Then, the circulation fan 18 for circulating the cold air so that the cold air generated in the evaporator 13 is supplied to the rack 4 at the position opposite to the evaporator 13 to cool the cold beverage stored in the rack 4. Is installed.

Here, the circulation fan 18 is driven on or off depending on the temperature is driven by the power supplied through a thermostat (not shown) to supply or cut off the power supplied from the outside, for example, AC 220V, the electronic control valve The compressor 14 is driven by being supplied with power through the thermostat to compress the refrigerant.

When the cold and hot beverage vending machine configured as described above is operated, when the internal temperature of the vending machine is higher than the set temperature, the thermostat is turned on so that power supplied from the outside is supplied to the compressor 14 through the thermostat, thereby providing a compressor ( At the same time as the 14 is driven, the circulation fan 18 and the cooling fan 16 are driven.

Next, the compressor 14 is driven to compress the refrigerant into a gaseous state of high temperature and high pressure to flow into the condenser 11, and the refrigerant introduced into the condenser 11 is driven by the cooling fan 16 to be blown with air. The heat exchange condenses and flows into the evaporator 13.

Thereafter, the refrigerant introduced into the evaporator 13 generates cold air by heat-exchanging with the air blown as the circulation fan 18 is driven, and the generated cold air is a cold beverage product chute 38 by the circulation fan 18. ) Is blown to the rack 4 side through the hole of the cold drink is cooled.

In addition, when the internal temperature of the vending machine is not higher than the set temperature, the thermostat is turned off so that power supplied from the outside is not supplied to the compressor 14, and thus the compressor 14 is stopped and the circulation fan 18 and the cooling fan. The 16 is stopped so that the cold beverage stored in the rack 4 is not cooled.

FIG. 5 is a vertical cross-sectional view taken along the line BB ′ of FIG. 1, and as shown, a control box 12 of the vending machine is disposed below the main body 1. The lower part of the rack 5 has a heater 21 for generating heat so that the hot beverage stored in the rack 5 is heated, and a blowing fan for blowing heat generated by the heater 21 to the rack 5. The motor 22 and the blower fan 19 are provided.

The heat generated by the heater 12 is blown to the rack 5 side through the hole of the hot beverage product chute 39 as the blower fan 19 is driven by the blower fan motor 22 to warm the beverage. It will be heated.

FIG. 6 is a flowchart illustrating an operation of discharging a cold / hot beverage of the cold / hot beverage vending machine shown in FIG. 1.

First, the control unit 113 initializes each part of the vending machine (step 100). Thereafter, a control signal for driving the heater 12 is applied to the heater driver 114, and a control signal for driving the blower fan is applied to the fan motor driver 114, whereby the heater driver 115 is applied. At the same time as driving the heater, the fan motor driving unit 114 operates the fan to rotate the blower fan interlocked with the fan to blow air into the rack 5 and load the air in the chamber heated by the heater 12 to the rack 5. Heated hot drink.

In addition, the control unit 113 applies a control signal for turning on the compressor 14 to the compressor driving unit 116 and a control signal for driving the circulation fan to the circulation fan motor driving unit 118. The compressor driving unit 116 drives the compressor 14 and the fan motor driving unit 114 operates the circulation fan 18 to blow air into the rack 4 cooled by the compressor 14 to the rack 4. Cool the cold beverage loaded in (4). Thereafter, after the heating and cooling are completed, the product is placed in a waiting state for sale (step 101).

Next, it is judged whether or not the amount of money has been input by the user, and if the amount of money has not been inputted, the product sale standby state is maintained (step 102).

As a result of the determination in step 103, when the amount of money is input, it is determined whether the amount of money input is equal to or greater than the selling amount, and if the amount of money input is equal to or less than the amount of sales, it is determined whether the amount of money is input (step 103).

As a result of the determination in step 103, if it is equal to or more than the selling price, the product selection possible state is displayed (step 104). Thereafter, if it is determined that the cold / hot beverage product is selected and the beverage is not selected, it is continuously determined whether the cold / hot beverage product is selected (step 105), and as a result of the determination in step 105, the beverage is If selected, the selected beverage is dispensed (step 106).

However, as described above, the conventional cold and hot beverage vending machine is provided with a heater for heating the beverage and a compressor for cooling the beverage, respectively, and also generates a heater and cold air for generating hot air in a general cold and hot air air conditioner. There is a need for integrating each heater and each compressor function present in each of these devices.

In addition, when the hot and cold beverage vending machine and the hot and cold air conditioner are installed in the same place, respectively, in a common place where a large number of people gather or in a relatively narrow place, each of these devices has many installation spaces. This necessitates lowering the availability of space in places such as public places.

When each device is operated at the same time, power is supplied to each device and energy efficiency is not good.

In addition, a device such as a hot and cold air conditioner installed in a public place is required to operate the hot and cold air conditioner at an appropriate time when the user who is required is operated at a limited time determined by the administrator due to the problem of cost. It became.

Therefore, the present invention has been devised in view of the above circumstances, and it is possible not only to sell cold drinks and hot drinks by operating heaters and compressors according to the amount of money inputted by the user, the set temperature, and the warm mode, etc. The purpose is to provide a hot and cold wind automatic vending device that can be sold.

Cold and hot air vending machine according to the present invention for achieving the above object, in the cold and hot beverage vending machine to discharge the beverage cooled by the compressor and the beverage heated by the heater to the outside by the eject mechanism, A cold / hot wind selector installed at the front of the vending machine door and selected to discharge cold and hot air respectively; A cold air outlet and a hot air outlet installed at the front of the door to discharge the cold air and hot air, respectively; A first connection passage connecting the cold air outlet and the cold beverage storage rack; A second connection passage connecting the hot air outlet and the hot beverage storage rack; First and second opening and closing means installed on the first and second connection passages to control opening and closing of the cold and warm air supplied from the storage rack to the cold and hot air outlets; When the cold air is selected from the cold and hot wind selector, the compressor opens the first opening and closing means, and when the hot air is selected from the cold and hot wind selector, the heater is driven and the second opening and closing means is opened. Characterized in that it consists of a control unit for controlling.

1 is a perspective view of a typical cold and hot beverage vending device,

Figure 2 is a drive control block diagram of the cold and hot beverage vending machine shown in Figure 1,

Figure 3 is a schematic internal configuration of the cold and hot beverage automatic sale shown in Figure 1,

4 is a vertical cross-sectional view taken along the line AA ′ of FIG. 1;

5 is a vertical cross-sectional view taken along the line B-B 'shown in FIG.

6 is an operation flowchart for explaining a cold and hot beverage discharge operation process of the cold and hot beverage automatic sale shown in Figure 1,

7 is a perspective view of a cold / hot air vending machine according to the present invention;

8 is a drive control block diagram of the hot and cold air vending machine shown in FIG.

9 is a schematic internal configuration of the hot and cold air vending machine shown in FIG.

FIG. 10 is a vertical sectional view taken along the line CC ′ of FIG. 7;

FIG. 11 is a vertical sectional view taken along the line D-D 'of FIG. 7;

12A and 12B are flowcharts illustrating a hot and cold wind discharge operation process of the hot and cold air vending machine shown in FIG. 7.

<Explanation of symbols for the main parts of the drawings>

1: body 2: door

4: cold beverage storage rack 5: hot beverage storage rack

6: outlet 7: storage rack door

10: Product Exhibition 12: Control Box

13: evaporator 14: compressor

17: circulation fan motor 18: circulation fan

19: blower fan 20: drink selection unit

21: heater 22: blowing fan motor

25: connecting passage 27: through hole

28: connecting member 30: product outlet

31: Actuator 31a: Actuator piston

31b: valve 32, 33: first and second opening and closing means

35,36: Hot air balloon and hot air balloon 38: Cold drink product suit

39: hot drink product suit 40: coin entrance

50: banknote opening 59: timer

70: coin return port 80: sales status display unit

90: amount display section 110: coin mechanism

111: bill identifier 112: beverage selection unit

113: control unit 114: fan motor drive unit

115: heater driving unit 116: compressor driving unit

117: ejection mechanism 120: cold and hot air selection unit

121: actuator drive unit

Hereinafter, exemplary embodiments of the present invention will be described in detail with reference to the accompanying drawings.

7 is a perspective view of a hot and cold air vending machine according to the present invention, the same reference numerals are attached to the same parts as the conventional structure, and description thereof will be omitted.

First, since the general description of the vending machine is the same as the conventional structure described above with reference to FIG. 1, it will be omitted. Hereinafter, only the cold / hot air vending machine of the present invention will be described.

As illustrated in FIG. 7, the cold / hot air vending machine of the present invention is provided with a cold air outlet 35 at an upper right side of the door 2, and a hot air outlet 36 is installed at a lower end thereof. The cold air outlet 35 is connected to the upper right side of the cold beverage storage rack therein, and the hot air outlet 36 is connected to the lower end of the internal warm beverage storage rack. In addition, a cold / hot air selector 120 capable of selecting cold air and hot air is installed at the front center portion of the door 2.

8 is a drive control block diagram of the hot and cold air vending machine shown in FIG. Cold and hot air vending machine according to the present invention is a coin mechanism 110, bill identifier 111, beverage selection unit 112, cold / hot air selection unit 120, the control unit 113, blower fan motor driving unit 114 ), Circulation fan motor driver 118, heater driver 115, compressor driver 116, eject mechanism 117, timer 59, actuator driver 121, electronic control valve 33, blower fan motor ( 22, a circulation fan motor 17, a heater 21, a compressor 14, and an actuator 31. As shown in FIG.

The cold / hot air selector 120 is installed at the front of the vending machine door and if the user selects the cold and hot air to be discharged by the user, the cold / hot air selector 120 applies a corresponding selection signal to the controller 113. In addition, when the hot / hot air selection signal from the cold / hot air selection unit 120 and the minimum amount or more are input from the coin mechanism 110, the timer 59 receives the amount of money by the control signal from the control unit 113. Count the time for.

The actuator driver 121 discharges the cold air by driving the actuator 31 to open the valve when the driving control signal is input from the control unit 113 when the cold air selection signal is input from the cold / hot air selection unit 120. When the time counted by the timer 59 elapses, the actuator 31 is driven by the closing control signal from the controller 113 to close the valve.

When the hot air selection signal is input from the cold / hot air selection unit 120, the electronic control valve 33 opens the valve to discharge the warm air when the driving control signal from the control unit 113 is input. When the time counted by (59) has elapsed, the valve is closed by the closing control signal from the control unit 113.

The control unit 113 is a compressor driving control signal to the compressor driving unit 116 when a cold air selection signal is input to the control unit 113 from the hot and cold wind selection unit 120 installed in the front center portion of the vending machine door (2). The compressor driving unit 116 to drive the compressor 14 by applying a cyclic fan motor driving control signal to the circulation fan motor driving unit 118 at the same time to drive the blower fan motor 22 to cool The cold storage rack 4 is supplied with cold air.

In addition, the control unit 113 causes the heater driving unit 115 to drive the heater 21 by applying a heater driving control signal to the heater driving unit 115 and at the same time blowing air to the blower fan motor driving unit 114. The fan motor driving control signal is applied to drive the blowing fan motor 22 to supply warmth to the hot beverage storage rack 5.

FIG. 9 is a schematic internal configuration diagram of the hot / cold air vending machine shown in FIG. 7 and will be described with reference to FIGS. 10 and 11.

As shown, between the cold air port 35 of the door 2 and the cold beverage storage rack 4 is connected to the through-hole 27, the hole 27 is formed on the upper right of the storage rack (4) Will be. Therefore, when the door 2 is closed, cold air from the through hole 26 is supplied to the cold air holes 35. In addition, a close contact member such as rubber is formed around the cold air hole 35 so as to be in close contact with the surface of the storage rack door 6 around the through hole 4.

In addition, the through-hole 27 of the storage rack 4 is provided with a first opening and closing means 32 for opening and closing control of the discharge of cold air from the storage rack 4, the opening and closing means 32 is not shown. Actuator actuator, actuator 31, actuator piston 31a, and valve 31b.

The actuator 31 is an actuator driven by an electric solenoid, and the actuator piston 31a linearly opens and closes the valve 31b by a current applied from the actuator driver according to a control signal from the controller.

Since the valve 31b of the opening and closing means 32 must block the cold air of the storage rack 4 from the outside, a heat insulating material capable of blocking heat such as the storage rack door 7 is used.

In addition, as shown in the lower end of the main body 1 is formed with a connection passage 25, the connection passage 25 is made of a duct member, one end thereof is connected to the hot beverage storage rack (5) When the other end is connected to the hot air vent 36 through the connecting member 28 and the door 2 is closed, the respective connecting members 28 are coupled to each other so that the connection passage 25 and the hot air vent 36 are connected to each other. . In addition, the connection passage 25 is provided with an electronic control valve 33, the hot air opening 36 through the connection passage 25 to the hot air in the hot beverage storage rack 5 by the opening and closing control signal from the control unit To be discharged.

FIG. 10 is a vertical cross-sectional view taken along the line C-C 'of FIG. 7. As shown in the drawing, a first opening / closing means 32 is installed at the upper left to open the valve 31b by an opening / closing control signal from the controller. By opening and closing, the cold air in the cold beverage storage rack 4 is supplied to and blocked by the cold air outlet 35.

FIG. 11 is a vertical sectional view taken along the line D-D 'of FIG. 7, and as illustrated, an electronic control valve 33 is installed at the lower right end to open and close the hot beverage by opening and closing the valve by an open / close signal from the controller. The warm air in the rack 5 is supplied to and shut off through the connection passage 25 to the hot air outlet 36.

12A and 12B are flowcharts illustrating a process of discharging the hot and cold air of the cold and hot air vending machine shown in FIG. 5.

First, when the power switch (not shown) of a vending machine is turned on, each drive part of a vending machine is initialized (step S1). After that, when the initialization is completed, the standby state indicating that the merchandise can be sold is displayed (step S2).

Next, in step S3, the control unit 113 receives the input amount detection signal from the coin mechanism 110 to determine whether the amount is inputted, and if not, maintains the standby state, and if the input is made, Proceed to S4 to determine whether the current amount is more than the minimum selling amount.

As a result of the determination in step S4, if the amount currently charged is not more than the minimum selling amount, the control of the control unit 113 returns to step S3 to determine whether there is an additional amount of money input, and if it is more than the minimum selling amount. The control of the control unit 113 proceeds to step S5 to display the product selectable state.

Thereafter, it is determined whether the cold air selection signal is input from the cold / hot air selection unit 120 (step S6), and when the cold air selection signal is input, the control unit 113 calculates the discharge time of the cold wind for the administration amount in step S7. .

Next, the control unit 113 drives the compressor 14 in step S8, and outputs a control signal to the timer 59 in step S9 to control the timer 59 to be driven and the first opening and closing means 32 ) By outputting a control signal so that the first opening and closing means 32 is in an open state, the cold air generated from the compressor 14 is discharged to the cold air outlet 35.

Thereafter, the controller 113 determines whether the time T1 counted by the timer 59 in step S10 is greater than the cold air discharge time Tc1 calculated in the step S7. The control returns to the above-mentioned step S8, repeats the control operation of step S8 or less, and if it is large, it progresses to next step S11.

In step S11, the control unit 113 stops the driving of the compressor 14, and outputs a control signal to the first opening and closing means 32 in step S12 to close the first opening and closing means 32, thereby The cold air discharge from the beverage storage rack 4 is blocked. Thereafter, the control unit 113 maintains the standby state after closing the first opening and closing means 32.

On the other hand, the process of discharging the warm air is carried out as follows. That is, it is determined whether the hot air selection signal is input from the cold / hot air selection unit 120 (step S14), and when the hot air selection signal is input, the control unit 113 calculates the discharge time of the warm air for the administration amount in step S15. .

Next, the control unit 113 drives the heater 12 in step S16, outputs a control signal to the timer 59 in step S17 to control the timer 59 to be driven, and the second opening and closing means 33 By outputting a control signal to the second opening and closing means 33 to the open state so that the warm air of the hot beverage storage rack (5) is discharged to the hot air opening (36).

Thereafter, the control unit 113 determines whether the time T2 counted by the timer 59 in step S18 is greater than the cold air discharge time Tc2 calculated in the step S15. The control returns to the above-mentioned step S16, repeats the control operation of step S16 or less, and if it is large, it progresses to next step S19.

In step S19, the control unit 113 stops driving of the heater 12, and outputs a control signal to the second opening / closing means 33 in step S20 so that the second opening / closing means 33 is closed. The warm air from the beverage storage rack 5 is blocked. Thereafter, the control unit 113 maintains the standby state after closing the second opening and closing means 33.

On the other hand, when the hot air selection signal is not input in step S14, it is determined whether the cold / hot beverage product selection signal is input (step S21), and when the cold / hot beverage product is not selected, the process returns to step S5. Maintain standby for product selection. Thereafter, when the cold / hot beverage is selected in step S21, the control unit 113 discharges the hot / hot beverage (step S22) and maintains the standby state.

As described above, according to the present invention, the user can operate the heater and the compressor according to the amount of money input, the set temperature, and the warm mode, so as to sell the cold beverage and the hot beverage, as well as the cold and hot air. Usability of the device is improved. In addition, since only one device is installed, the efficiency of space can be improved and the efficiency can be improved in terms of energy use. In addition, the user can operate the hot and cold air conditioner at an appropriate cost at a suitable time and can be conveniently used.

Claims (3)

In the cold and hot beverage vending machine to discharge the beverage cooled by the compressor and the beverage heated by the heater to the outside by the eject mechanism, A cold / hot wind selector installed at a front side of the vending machine door and selected to discharge cold and hot air respectively; A cold air outlet and a hot air outlet installed at the front of the door to discharge the cold air and hot air, respectively; A first connection passage connecting the cold air outlet and the cold beverage storage rack, A second connection passage connecting the hot air outlet and the hot beverage storage rack, First and second opening and closing means installed on the first and second connection passages to control opening and closing of the cold and warm air supplied from the storage rack to the cold and hot air outlets; When the cold air is selected from the cold and hot wind selector, the compressor opens the first opening and closing means, and when the hot air is selected from the cold and hot wind selector, the heater is driven and the second opening and closing means is opened. Cold and hot air vending device comprising a control unit for controlling. 2. The actuator of claim 1, wherein the first opening and closing means comprises: an actuator driver for receiving a control signal of the controller and outputting a driving signal, an actuator having a piston and linearly moving the piston according to a driving signal from the actuator driver; Cold and hot air vending machine, characterized in that the end is configured to include a valve connected to the front end of the piston. The hot and cold air vending machine according to claim 1, wherein the second opening and closing means is an electronic control valve.