JPS599347Y2 - Vending machine bend test equipment - Google Patents

Description

[Detailed explanation of the idea] This invention relates to a pend test device for a vending machine.

The pen test is a test of the product dispensing operation of some vending machine vendors.

For this purpose, a bend test switch is installed in the vending machine, and by inserting this bend test switch, the state is the same as if a predetermined amount of coins had been inserted (
The vending machine (particularly the changer) is set to a vending state (available for sale).

When conducting a bend test, an inspection shell (e.g. Ehalutman) opens the front panel of the vending machine and turns on the bend test switch provided inside the vending machine housing.

After setting the product to a state where it can be sold in this way, the purchase selection switch corresponding to each product is operated as appropriate to test whether or not the product can be delivered normally.

In the conventional pend test device, the vending machine is set to a vending state only when the bend test switch is turned on, and the pend test can be performed.

For this reason, a non-returnable switch (such as a slide switch) is used as the pend test switch, and is operated so that it is set to the on position during the pend test and returned to the off position when the pend test is completed. .

However, due to negligence on the part of the inspector, there is a risk of forgetting to turn off the bend test switch after the test is completed.

In such a case, the vending machine will be in a free bend state and will not accept coins. By simply pressing the product selection switch, the product will be dispensed.

This invention was made in order to eliminate the above-mentioned defects, and was designed to prevent a free bend condition from occurring after the end test.

In this design, vent). A memory circuit 1t00 is provided to store the fact that the test switch has been turned on, and based on the memory output of this memory circuit, the vending machine is set to a vending ready state so that a pend test can be performed.

Then, when a predetermined condition is met to confirm that the bend test has been completed (when the payment switch is operated)
The memory circuit is automatically reset to release the sellable state.

An embodiment of this invention will be described in detail below with reference to the accompanying drawings.

In the figure, a pend test device 10 according to the invention is installed on the side of a changer part 11 of a vending machine.

A simple explanation of how a typical vending machine works is as follows:
The inserted coin is detected by the coin switch 13 on the denomination side, and the addition/subtraction counter 14 counts the amount of the inserted coin.

In the price setting section 15, sales prices for all products that can be sold by this vending machine are set, and a sales price setting signal P1-Ro for each product is applied to one comparison input of the comparison circuit 16.

The count output of the addition/subtraction counter 14 is added to the other comparison input of the comparison circuit 16.

The comparison circuit 16 compares the amount of coins inserted and the selling price, and generates bend signals (sellable signals) ■1 to ■o corresponding to products that can be sold (products whose selling price is less than the amount of coins inserted). .

Bend signals ■1 to ■o are signal transmitting/receiving circuits 17-1 to 17
-n to the article delivery circuit 18 of the vendor section 12.

The article sending circuit 18 includes a selection switch corresponding to each article, and when one of the selection switches corresponding to the article for which the bend signals Vl to ■o is generated is selected and pressed, the selected article is sent out. The motor for dispensing the selected product is driven, and the selected product is dispensed via the product dispensing section 19.

At the same time, the signal transmission/reception circuits 17-1 to 1 are sent from the article sending circuit 18 only in response to the article selected by the selection switch.
The product selection signals S, -So are supplied to AND circuits 20-1 to 20-n in the changer part 11 via 7-n.

Further, when some selection switch is pressed in the article delivery circuit 18 and the article is ready to be dispensed, a sales start signal V
S is supplied to the changer part 11 from the bender part 12.

This sales start signal VS indicates that a sales operation (dispensing operation) of some kind of product is being performed.

The sales start signal ■S is applied to the AND circuit 21 and also to the comparison circuit 16.

The comparison circuit 16 generates a bend signal ■1 based on the signal vS.
~ ■ Delete o.

A signal from the pend test device 10 is added to the other human power of the AND circuit 21, and the AND circuit 21 is operable at times other than the bend test (during normal sales operations).

In normal sales operation, when the sales start signal vS is generated, the output of the AND circuit 21 becomes "1", and the AND circuits 20-1 to 20-n become operational.

Then, the product selection signal S given by the vendor part 12
A single AND circuit corresponding to 1 to So (20 to 1 to 2
The output of one of 0-n becomes "1" and is added to the price setting section 15.

The price setting unit 15 adds and subtracts the sales price setting signal (one of P1 to P) of the selected product based on the signals from the AND circuits 20-1 to 20-n (product selection signals S1 to So). 14 and puts the addition/subtraction counter 14 in a subtraction mode.

Therefore, the addition/subtraction counter 14 subtracts the selling price from the amount of coins inserted.

In the case of the one-item sales method, immediately after one sale is made, the coin payout control unit 22 operates and pays out the subtraction result (that is, the remaining amount of the inserted coin) stored in the addition/subtraction counter 14 as change.

In the case of the multiple product sales method, the above-described product selection and sales operations are repeated multiple times, and when the purchaser presses the payment switch 23, the coin dispensing control unit 22 is activated and payment is performed.

(If you have change, it will be paid out). Next, pendo test device 1
0 will be explained.

The bend test switch 24 is a self-resetting switch and is installed inside the vending machine housing.

When performing a pendo test, first open the front panel of the vending machine and turn on the pendo test switch 24.

The output of the pend test switch 24 is applied to a rising edge detection circuit (differential circuit) 25, and is converted into a differential pulse corresponding to the turning on of the switch 24.

This differential pulse is applied to the set input of a set/reset type flip-flop 26, and
Set.

In this way, the fact that the bend test switch 24 has been turned on is stored in the flip-flop 26.

The set output "1" of the flip-flop 26 is applied to an AND circuit 27 and also to an inverter 28.

The output of the inverter 28 is applied to the AND circuit 21.

Therefore, in the case of the pend test, the AND circuits 20-1 to 20-n are inoperative, and the selling price subtraction operation is not performed.

A sales start signal VS is applied to the other input of the AND circuit 27 via an inverter 29.

At first, the sales start signal VS is not output, so the conditions of the AND circuit 27 are established.

AND circuit 2 based on the memory of flip-flop 26
The signal "1" output from diodes D1 to D. is supplied to the output side of the comparator circuit 16 via.

Therefore, during the bend test, bend signals (sellable signals) V+ to Vn relating to all products are generated by signals from the bend test device 10.

These pseudo-generated bend signals ■1 to V are sent to the article sending circuit 18 through signal transmitting/receiving circuits 17-1 to 17-n.
join.

In this state, all products are set to be available for sale.

Therefore, an inspector (for example, a route man) appropriately selects and operates a product selection switch provided on the front panel of the vending machine and confirms whether the selected product is reliably dispensed.

As described above, when the selection switch is operated and a sale is made, a sale start signal vS is generated.

This sales start signal VS inputs the AND circuit 27 via the inverter 29, and prevents the bend signals (1) to (2)o from being generated continuously during one sales operation.

When one sales operation is completed, the sales start signal VS is erased, so the AND circuit 27 operates again and all the bend signals V, -Vn are generated in a pseudo manner via the diodes D, ~Do. .

Therefore, by operating another product selection switch this time, it is possible to test the product dispensing status regarding another product.

As is clear from the above description, pend testing is possible as long as flip-flop 26 is set.

In other words, it is set to be ready for sale. The flip-flop 26 is automatically reset by a reset signal R from the reset circuit 30.

The reset circuit 30 is a circuit that detects the end of the pend test from the state of the vending machine and generates a reset signal R.

The present invention is characterized in that the end of the pend test is detected when the settlement switch 23 is operated, and a reset signal is automatically sent out based on the detection output.

When the payment switch 23 is operated and the vending machine enters the coin return mode, it can be determined that the bend test has already been completed.

This is because coin dispensing operations are generally not tested during the pend test.

The output of this adjustment switch 23 is applied to a reset circuit 30, and is applied as a reset signal R to the flip-flop 26 via an OR circuit 31.

Therefore, when the settlement switch 23 is operated, the flip-flop 26 is automatically reset.

In this way, according to the present invention, the fact that the bend test switch is turned on is stored in the memory circuit (flip-flop),
Based on this memory, the pend test is set to a ready (sellable) state, and when the pend test is completed, the memory circuit is reset by operating the settlement switch. Compared to the process of opening the front panel of a vending machine once it has been closed and operating a switch to release the free bend state, it is easier to release the free bend state by external operation while the front panel remains closed. It is possible and convenient.

In the illustrated embodiment, the OR circuit 3 sends out a reset signal R to ensure cancellation of the pend test state.
1 is designed to send output also in the following three states.

One of them is a state in which coins are inserted into a vending machine by a purchaser.

This is because when a coin is inserted, it can be considered that the pend test has already been completed, and in this case, it is necessary to quickly return to the normal sales system.

This state can be detected by determining whether or not the coin switch 13 generates an inserted coin detection signal.

The inserted coin detection signal output from the coin switch 13 is applied to a reset circuit 30, and is applied as a reset signal R to the flip-flop 26 via an OR circuit 31.

Therefore, flip-flop 26 is automatically reset when a coin is inserted.

Another state is when the front panel of the vending machine is closed.

As mentioned above, the front panel of the vending machine is open during the bend test, and is closed when the bend test is finished.

Therefore, a front panel opening/closing detection switch 32 is provided in the vending machine, and when the front panel is closed, a signal "1" is applied from the switch 32 to the OR circuit 31 to generate a noset signal R.

Therefore, the flip-flop 26 is automatically reset when the front panel is closed, that is, immediately after the pend test is completed.

Yet another state is a state in which a certain period of time has elapsed since the sales start signal VS was generated.

As mentioned above, even during the pendo test, the sales start signal V is generated in response to the operation of the product selection switch by the inspection shell.
S is generated.

Therefore, this sales start signal vS is delayed for a predetermined time by a timer circuit 33, and the delayed output of this timer circuit 33 is sent to the flip-flop 2 as a reset signal R via an OR circuit 31.
I am trying to add it to 6.

For example, if the operating time in the timer circuit 33 is T, then the sales start signal vS input to the timer circuit 33
is output from the timer circuit 33 after T time.

That is, after T time, the output of the timer circuit 33 becomes "1"'
stand up.

However, if the sales start signal vS is further generated before the operating time T of the timer circuit 33 ends, the operating time T is updated.

Therefore, during the pend test, when the product selection switches are operated one after another and the sales start signal S is generated one after another, the output of the timer circuit 33 remains at "0".

Then, from the time when the sales start signal ■S occurred last, T
After a period of time, the output of the timer circuit 33 becomes "1".

This resets the flip-flop 26.

After all, if the next sales start signal VS is not generated within the fixed time T set by the timer circuit 33, it is assumed that the bend test switch has ended, and the flip-flop 26 is automatically reset.

[Brief explanation of the drawing]

The figure is a block diagram showing one embodiment of this invention. 10...Pend test device, 11...Part of the changer of the moving vending machine, 12...Part of the vendor of the moving vending machine, 13.
...Coin switch, 17-1 to 17-n...Signal transmission/reception circuit, 23...Payment switch, 24...Bend test switch, 26...Flip flop,
30...Reset circuit, 32...Front panel open/close detection switch.

Claims (1)

[Scope of utility model registration request] The present invention comprises a bend test switch, a memory circuit that remembers that the bend test switch has been operated, and a reset circuit that erases the memory of the memory circuit upon receiving a signal indicating that the settlement switch has been operated. This bend test device for a vending machine is characterized in that when a memory circuit has memory, the vending machine is set to a pend test state in which the vending machine can operate without inserting coins, and when it is not memorized, the pend test state is canceled.