JPH06231361A - Electric automatic vending machine - Google Patents

Abstract

PURPOSE:To correspond to a power demand outdoors such as an electric vehicle by simple equipments. CONSTITUTION:A watt-hour meter 2 is provided for a single-phase three-wire system distribution line 1 transporting AC power to sockets 8 and 9 through switches 11 and 12. A proper charge paid to proper charge receivers 3 and 4 is set by operating power quantity equivalent to the proper charge by a computing element 5. A comparator 6a outputs a power supply signal to a controller 6b and the controller 6b closes the switches 11 and 12 until the watt-hour meter 2 measures setting power quantity. Thus, AC power is supplied to a load. When the watthour meter 2 measures setting power quantity, the comparator 6a stops a power supply signal to the controller 6b and the controller 6b opens the switches 11 and 12. Thus, the supply of power is stopped. A power automatic vending machine 100 is preferable to be installed in an outdoor and necessary space, especially in a public or private parking lot and that only for the electric vehicle.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an electric vending machine which is particularly useful as battery charging equipment for electric vehicles and which can purchase electricity outdoors by using money or a prepaid card.

[0002]

2. Description of the Related Art In recent years, there is an increasing demand for popularization of electric vehicles from the viewpoint of protection of the global environment. Currently, studies are underway to install charging stations (corresponding to gas stations) for rapid charging of batteries throughout the country. However, because the land price is high,
It is difficult to secure a place for installing such a charging stand. Even if a charging stand is installed, it takes a long time to charge, so a long line may occur in a vehicle waiting to be charged, which may be a traffic obstacle. Therefore, if a charger is installed in an electric vehicle and the power is charged at midnight at home or at the office for a low charge for the next day, it is economical for the user and also for the power company. It leads to leveling of electric power and improves efficiency. But,
The current electric vehicle's economical mileage is at most 10
Since it is 0 to 150 km and the range of action is limited, it is required to expand outdoor charging facilities.

On the other hand, the demand for electric power is increasing not only in such electric vehicles but also outdoors in road construction and construction work sites. In this case, it is the current situation that electric wires are drawn from nearby transmission lines to install a switchboard or a generator. However, in the former case, there is the complexity of having to carry out electrical work and to apply for a license to use the electric power company, and in the latter case, there are problems of transportation and noise.

[0004]

SUMMARY OF THE INVENTION The present invention has been made in view of the above problems, and provides an electric vending machine capable of satisfying various electric power demands such as electric vehicles outdoors with simple equipment. It is intended to be provided.

[0005]

In order to achieve the above-mentioned object, the present invention provides a single-phase three-wire type distribution line for distributing AC power to a receptacle outlet through a switch, and the above-mentioned distribution line. A watt-hour meter that measures the amount of electric power supplied to the load through the receptacle outlet, a consideration receiver that accepts the consideration for the purchased amount of electricity, and an amount of electricity that corresponds to the consideration accepted by the consideration receiver. The power supply signal is output until the power amount measured by the calculator and the power meter reaches the set power amount calculated by the calculator, and when the set power amount is reached, the power supply signal is stopped. And a controller that opens and closes the switch based on a power supply signal from the comparator.

The distribution line may be distributed to a receptacle outlet for AC 200V output and a receptacle outlet for AC 100V output. Further, the consideration receiver may be capable of accepting either currency or a prepaid card. Further, a battery charger for converting an AC voltage into a DC voltage may be provided on the power distribution line, and the DC voltage may be supplied from the battery charger. The electric vending machine according to the present invention,
It is preferable that the parking lot is a public or private parking lot and is exclusively used for an electric vehicle.

[0007]

According to the above construction, when a load is connected to the receptacle outlet and an appropriate consideration is paid to the consideration receiver, the calculator calculates and sets the amount of electric power corresponding to the consideration. Until the watt-hour meter measures the set amount of power, the comparator outputs a power supply signal to the controller, and the controller closes the switch, so that AC power is supplied to the load. Then, when the watt-hour meter measures the set power amount, the power supply signal from the comparator to the controller is stopped, and as a result of the controller opening the switch, the power supply is stopped.

[0008]

Embodiments of the present invention will now be described with reference to the accompanying drawings. FIG. 1 is a block diagram of an electric vending machine 100 according to the present invention. According to this figure, an electric vending machine 10
0 is a distribution line 1, a preset type watt hour meter 2, a money acceptor 3, a prepaid card acceptor 4, and a calculator 5.
And a comparator 6a and a controller 6b.
The power distribution line 1 is a single-phase three-wire system, and is composed of a neutral line 1c that is grounded at a secondary side center point of a columnar or underground transformer 7 and is pulled out therefrom, and voltage lines 1a and 1b on both sides. . The voltage lines 1a and 1b on both sides are connected to a receptacle outlet 8 for AC200V, and the neutral wire 1c and one voltage line 1b are connected to a receptacle outlet 9 for AC100V.

Voltage lines 1a and 1b on both sides of the distribution line 1
The circuit breaker 10 is provided with a leakage breaker 10 for protection against an overcurrent or ground accident from any reason, or for maintenance, and an electromagnetic first switch 11. Further, an electromagnetic second switch 12 is provided on the neutral wire 1c and the one voltage wire 1b. The switches 11 and 12 may be electromagnetic switches or semiconductor switches such as solid state relays. The outlets 8 and 9 are provided with photoswitches 13 and 14 for detecting that plugs suitable for the respective outlets are inserted.

The preset type watt-hour meter 2 is provided on the power distribution line 1 and measures the amount of electric power supplied to the load through the receptacle outlets 8 and 9, and an electric signal from an arithmetic unit 5 described later or It is designed to be preset by a mechanical signal. The money acceptor 3 has a function of determining whether the money 16 received from the receiving port 15 is good or bad, and a function of determining the amount of money, and also has a function of displaying the amount of money received on the display unit 17.

The prepaid card receiver 4 has an entrance 1
8, the quality judgment function of the prepaid card 19 such as a magnetic card or an IC card, the purchase price setting function by the set button 20, the purchase price display function on the display unit 21,
It has a settlement function and a printing function such as the balance on the back surface of the prepaid card 19. The calculator 5 calculates the amount of electric power corresponding to the price received by the money acceptor 3 or the prepaid card acceptor 4, and outputs a preset signal to the preset type watt hour meter 4 and the calculated amount of power. Is output to the comparator 6a which will be described later. The comparator 6a compares the amount of electric power measured by the preset type watt-hour meter 2 with the set amount of electric power output from the calculator 5, and supplies electric power to a controller 6b described later until the measured value reaches the set value. The power supply signal is output, and when the measured value reaches the set value, the power supply signal is stopped.

The controller 6b includes the first and second AND circuits 2
2, 23 and first and second drive circuits 24, 25. One input terminal of the first AND circuit 22 is connected to the power supply signal output terminal of the comparator 6a, and the other input terminal is connected to the output terminal of the photoswitch 13 of the outlet 8. Similarly, one terminal of the second AND circuit 23 is connected to the power supply signal output terminal of the comparator 6 a, and the other terminal is connected to the output terminal of the photoswitch 14 of the outlet 9. The first and second drive circuits 24,
25 denotes the first and second AND circuits 22 and 23, respectively.
Based on the output signal from the first and second switches 11, 12
The first and second switches 11 and 12 are opened and closed by outputting an electric or optical signal to or through mechanical means.

An electric vending machine 100 having the above structure
As shown in FIG. 2, an electric vehicle exclusive (or priority) area 102 specially provided in a pay parking area 101 on the shoulder of an urban road in a big city is replaced with a parking meter 103 in an autonomous state by a pole. Will be installed in. The electric vehicle dedicated area 102 is preferably divided by, for example, a green line 104 so that it can be clearly distinguished from the general gasoline vehicle area 101. If the electric vehicle dedicated area 102 on such an urban road is compulsorily provided by a governmental or local government ordinance or regulation, a parking place for electric vehicles is secured preferentially,
It will lead to the spread of electric vehicles. When the electric vending machine 100 is installed in the parking area 101 on the city road as described above, it is preferable that a parking fee collecting device is installed in the electric vending machine 100.

The installation form of the electric vending machine 100 is shown in FIG.
In addition to the self-supporting type with a pole as shown in, it is also possible to mount it on the wall. Further, it is preferable that the wiring is underground wiring or wall-embedded wiring so as not to spoil the aesthetics of the city. In addition to the parking area 101 on the city road as described above, the electric vending machine 100 according to the present invention is shown in FIG.
As shown in, it may be installed in a parking lot 105 of a restaurant in the city or in the suburbs. Also in this case, it is preferable to identify the area 106 dedicated to the electric vehicle by the green line 107. Further, the electric vending machine of the present invention can be installed in various parking lots such as a large public parking lot, a private pay parking lot, a parking lot of a department store or a large supermarket, and the like.

Hereinafter, the electric vending machine 10 according to this embodiment will be described.
The operation of 0 will be described. As shown in FIG. 4, the electric vehicle 108 is parked in the parking lots 102 and 106 in which the electric vending machine 100 is installed, and the plug 1 of the power cord 110 of the battery charger 109 mounted in the electric vehicle 108.
11 is a receptacle outlet 8 for AC200V of the electric vending machine 100 (AC100 for an electric motorcycle)
When inserted into the V receptacle receptacle 9), the photo switch 13 shown in FIG. 1 is turned on, and the ON signal is output to the first AND circuit 22 of the controller 6b. Next, the amount of money 16 required is inserted into the receiving port 15 of the money receiving device 3, or the prepaid card 19 is inserted into the receiving port 18 of the prepaid card receiving device 4 to set the required amount of money. Pay. Here, instead of designating the required amount like gasoline, it is sufficient to designate it in the form of electric energy equivalent to how many yen.

The inserted money 16 or the prepaid card 19 is judged to be good or bad by the money acceptor 3 or the prepaid card acceptor 4, and if it is good, it is accepted and the amount is displayed. The consideration of the amount of money received by the money acceptor 3 or the prepaid card acceptor 4 is converted into the amount of electric power corresponding to the consideration by the calculator 5. Then, at the same time as the preset signal is output from the calculator 5 to the preset type watt-hour meter 2, the power amount is output to the comparator 6a as the set power amount. As a result, the preset watt-hour meter 2 is in a state in which it can measure the amount of power supplied from the power distribution line 1 to the battery 112 of the electric vehicle 108 via the receptacle outlet 18. At this point, the measured value (O) of the preset type watt-hour meter 2 has not reached the set value, so the comparator 6a outputs a power supply signal to the first and second AND circuits 22 and 23 of the controller 6b. .

As a result, the first AND circuit 2 of the controller 6b
2 is satisfied, a drive signal is output from the first AND circuit 22 to the first drive circuit 24, and the first drive circuit 24 outputs the first drive signal.
An ON signal is output to the switch 11. As a result, the battery charger 109 of the electric vehicle 108 is connected from the voltage lines 1a and 1b of the power distribution line 1 through the receptacle outlet 8.
AC power is supplied to the battery 112, and the battery 112 is charged by the DC output voltage supplied by the battery charger 109.

During charging, the preset type electric energy meter 2 measures the electric energy of the power distribution line 1. Then, the comparator 6a causes the first and second AND circuits 22 and 23 of the controller 6b to operate when the amount of electric power measured by the preset type watt-hour meter 2 reaches the set amount of electric power.
Turn off the power supply signal to. As a result, the first AND circuit 22 is not established, the stop signal is output from the first AND circuit 22 to the first drive circuit 24, and the OFF signal is output from the first drive circuit 24 to the first switch 11. To be done.
As a result, the first switch 11 is turned off and the power supply is stopped.

It should be noted that it is not always necessary to provide two receptacle outlets for 200V and 100V as in the above embodiment, and one receptacle outlet for 200V is provided in a parking lot where only four-wheel electric vehicles are used. You only have to provide one. Similarly, the consideration receivers 3 and 4 may be provided with either money or a prepaid card. Although the preset type watt hour meter 2 in the above embodiment merely measures the amount of electric power, it may have the function of the comparator 6a. Further, although the preset type watt hour meter 2 is used in the above-mentioned embodiment, the electric amount may be simply continuously measured instead of the preset type. In this case, the comparator 6a needs to subtract the initial value from the measured value of the electric energy output from the electric energy meter and compare it with the set value.

The electric vending machine 100 of the above-mentioned embodiment is useful for charging the battery of the electric vehicle 108 having the battery charger 109. However, the battery charger 109 is installed in advance in the electric vending machine 100. Ok
Even an electric vehicle without a charger can be used. Further, the electric vending machine 100 according to the present invention.
Needless to say, can be conveniently used not only for charging the battery of the electric vehicle 108 but also as a power source for various electric devices at road construction and construction sites.

[0021]

As is apparent from the above description, according to the inventions described in claims 1 to 5, since the electric power corresponding to the paid consideration is supplied to the load, the electric power can be easily supplied outdoors. Can be used. Further, according to the invention of claim 5, the electric vending machine is provided in a public or private parking lot for exclusive use of electric vehicles or a priority parking lot. You can charge the battery as much as you need while you are doing it, and you can extend the range of action of the electric vehicle after that. Further, the electric vending machine of the present invention does not require a vast space such as a charging stand, but only needs to be installed in an existing parking lot, so that the charging facility can be secured with a small capital investment. . Therefore, if the electric vending machine according to the present invention is installed not only in a large city but also in a parking lot of a restaurant or the like in a rural area, the electric vehicle will be widely spread and will contribute to environmental protection.

[Brief description of drawings]

FIG. 1 is a block diagram of an electric vending machine according to the present invention.

FIG. 2 is a perspective view showing a state in which the electric vending machine according to the present invention is installed in a parking area on a road.

FIG. 3 is a perspective view showing a state in which an electric vending machine according to the present invention is installed in a parking lot of a restaurant.

FIG. 4 is a front view showing a usage situation of the electric vending machine shown in FIG. 1 by an electric vehicle.

[Explanation of symbols]

1 ... Distribution line, 2 ... Preset type electricity meter, 3 ... Monetary receiver (value receiver), 4 ... Prepaid card receiver (value receiver), 5 ... Calculator,
6a ... comparator, 6b ... controller,
7 ... Transformer, 8, 9 ... Receptacle outlet, 1
1, 12 ... first and second switches, 16 ... currency,
19 ... Prepaid card, 100 ... Electric vending machine, 101 ... Parking area, 102 ... Electric vehicle dedicated area, 105 ... Parking lot, 106 ... Electric vehicle dedicated area, 108 ... Electric vehicle, 109 ... Battery charger.

Claims (5)

[Claims] 1. A single-phase three-wire type distribution line for distributing AC power to a receptacle outlet via a switch, and an amount of power provided to the distribution line and supplied to a load via the receptacle outlet. An electric energy meter, a consideration receiver that accepts the consideration of purchased electricity, an operator that calculates and sets the amount of electricity corresponding to the consideration accepted by the consideration receiver, and the electric power measured by the electricity meter Based on the power supply signal from the comparator, which outputs the power supply signal until the amount reaches the set power amount calculated by the calculator, and stops the power supply signal when the set power amount is reached. And a controller for opening and closing the switch. 2. The electric vending machine according to claim 1, wherein the distribution line is distributed to a receptacle outlet for AC 200 V output and a receptacle outlet for AC 100 V output. 3. The electric vending machine according to claim 1, wherein the consideration acceptor can accept either currency or a prepaid card. 4. The battery charger for converting an AC voltage into a DC voltage is provided along the distribution line, and the DC voltage is supplied from the battery charger. An electric vending machine according to any one of 1. 5. The electric vending machine according to claim 1, wherein the electric vending machine is installed in a public or private parking lot for exclusive use of an electric vehicle.