CN210091274U

CN210091274U - Coin counting device

Info

Publication number: CN210091274U
Application number: CN201921171827.3U
Authority: CN
Inventors: 汤子麟; 刘翔; 贺桢
Original assignee: Shanghai University of Engineering Science
Current assignee: Shanghai University of Engineering Science
Priority date: 2019-07-24
Filing date: 2019-07-24
Publication date: 2020-02-18
Anticipated expiration: 2029-07-24

Abstract

The utility model relates to a device is checked to coin, the power distribution box comprises a box body, locate the coin slot on the box, LED display screen and locate the slide in the box, camera module, check weighing tray and AT89C51 singlechip, AT89C51 singlechip and LED display screen, camera module, check weighing tray connects respectively, the LED display screen is located on the lateral wall of box, the coin slot is located the top of box, the slide is located the coin slot under, the slide is for inclining the platelike structure, the one end of check weighing tray is erect on the inner wall of box, the bottom of slide is connected to the other end, check under the operating condition, the coin passes through the coin slot and gets into the box, locate check weighing tray through the slide on, camera module locates directly over check weighing tray, be equipped with pressure sensor in the check weighing tray, this pressure sensor is connected with T89C51 singlechip. Compared with the prior art, the utility model has the advantages of use manpower sparingly, convenient to use, improve work efficiency that the coin was checked etc.

Description

Coin counting device

Technical Field

The utility model belongs to the technical field of the coin technique of checking and specifically relates to a device is checked to coin.

Background

The coins are widely applied in daily consumption, such as a bus cash box, a coin inserting trojan, a subway station ticket buying place and other places adopting change transaction, bring convenience and quickness to life, and bring great trouble to a cashier. According to statistics, the number of coins received by the subway station of the first-line city every day is at least ten thousands. At present, the clearing of coins is mainly done manually. The manual processing method has the following problems: when the turnover is huge, miscalculation is easy to happen, and certain loss is caused. The money is checked by a certain amount of labor, which causes labor waste. Therefore, how to rapidly settle the large amount of coins becomes a research problem.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a device is checked to overcome the defect that above-mentioned prior art exists.

The purpose of the utility model can be realized through the following technical scheme:

a coin counting device comprises a box body, a coin slot arranged on the box body, an LED display screen, a slideway, a camera module, a weight measuring tray and an AT89C51 singlechip which are arranged in the box body, the AT89C51 single chip microcomputer is respectively connected with the LED display screen, the camera module and the weight measuring tray, the LED display screen is arranged on the side wall of the box body, the coin slot is positioned at the top of the box body, the slideway is arranged right below the coin slot and is of an inclined plate-shaped structure, one end of the weight measuring tray is erected on the inner wall of the box body, the other end of the weight measuring tray is connected with the bottom end of the slideway and extends out of the edge of the bottom of the slideway, in the counting working state, the coins enter the box body through the coin slot and are arranged on the weight measuring tray through the slide way, the camera module is arranged right above the weight measuring tray, a pressure sensor is arranged in the weight measuring tray, and the pressure sensor is connected with the AT89C51 single chip microcomputer.

Preferably, the side wall of the box body is provided with a cashbox door, a built-in cashbox is arranged below the weight measuring tray, and the position of the built-in cashbox in the box body corresponds to the position of the cashbox door.

Preferably, under the operating condition of checking, the weight measuring tray erect on the inner wall of box through the steering wheel, the steering wheel be connected with AT89C51 singlechip, the steering wheel fix on the inner wall of box.

Preferably, under the operating condition of checking, the weight measuring tray be parallel with the box bottom surface, after the work of checking, the weight measuring tray pass through the steering wheel drive rotation.

Preferably, the camera module comprises a lens, an infrared filter, an image sensor and a DSP (digital signal processor), wherein the infrared filter is arranged between the lens and the image sensor, the lens, the infrared filter and the image sensor are sequentially connected, one end of the DSP is connected with the image sensor, and the other end of the DSP is connected with an AT89C51 type single chip microcomputer.

Preferably, the included angle between the slide way and the horizontal plane at the top of the box body is 60 degrees, the width of the slide way is larger than that of the coin slot, and the width of the slide way is smaller than the inner width of the box body.

Preferably, a gap for ensuring that a circuit line is arranged along the inner wall of the box body is arranged between the slideway and the inner side wall of the box body, and preventing coins from leaking down from the edge of the slideway, and the width of the gap is smaller than 1 mm.

Preferably, the pressure sensor adopts an AST20HA pressure sensor, and the steering engine adopts an S3001 steering engine.

Preferably, the weight measuring tray extends out of the edge of the bottom of the slideway by 5-10 mm.

Preferably, the lens adopts MXTX-1 type lens, the DSP digital signal processor adopts TMS320C2000 type chip, the image sensor adopts OV2610 type CMOS image sensor, and the infrared filter adopts quartz plate.

Compared with the prior art, the utility model has the advantages of it is following:

1. the utility model discloses the device combines camera and weight measuring tray to realize automatic coin function of checking, and the coin photo on the weight measuring tray that acquires through the camera carries out coin discernment, acquires the kind of coin, and then has confirmed total amount, and the weight measuring tray distinguishes the coin true and false through the coin weight on the pressure sensor perception tray, combines coin kind, quantity and weight to acquire the total number and the total amount of coin on the accurate weight measuring tray, need not the human labor, has improved the work efficiency that the coin was checked greatly;

2. the utility model utilizes the camera and the weight measuring tray to automatically check the coins, and the checked result can be visually displayed through the LED display screen outside the box body, so that the use is convenient;

3. the built-in cashbox for storing the coins is arranged in the box body of the utility model, the cashbox door corresponding to the coins is arranged outside the box body, if the coins in the built-in cashbox are filled, the built-in cashbox can be taken out by opening the cashbox door, and the coins in the built-in cashbox can be cleared for the next time after being emptied, so that the operation is convenient, and the time and the labor are saved;

4. the utility model discloses a weight measuring tray can rotate through the steering wheel, and when the weight measuring tray is parallel with the bottom of the box body, be used for placing the coin that drops into and weigh the coin, and after weighing, AT89C51 single chip microcomputer control steering wheel motion makes the weight measuring tray rotate, pours the coin on its surface into the built-in cashbox of below, and this process can be realized automatically, has further saved the operating time of checking;

5. the utility model discloses be equipped with the gap between the inside lateral wall of slide and box among the device, the width in gap is less than 1mm, can guarantee that the circuit line arranges along the box inner wall, prevents that the coin from leaking down from the edge of slide.

Drawings

FIG. 1 is a schematic structural diagram of the device of the present invention;

FIG. 2 is a block diagram of the circuit connection of the apparatus of the present invention;

the reference numbers in the figures indicate:

1. coin slot, 2, LED display screen, 3, money box door, 4, slide, 5, camera module, 6, weight measuring tray, 7, built-in money box, 8, box, 9 and steering engine.

Detailed Description

The present invention will be described in detail below with reference to the accompanying drawings and specific embodiments. It is to be understood that the embodiments described are only some of the embodiments of the present invention, and not all of them. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts shall fall within the protection scope of the present invention.

As shown in fig. 1, the utility model relates to a device is checked to coin, include box 8 and locate coin slot 1, LED display screen 2, cashbox door 3, slide 4, camera module 5, check weighing tray 6, built-in cashbox 7, AT89C51 singlechip on the box 8.

The coin slot 1 is positioned at the top of the box body 8. The LED display screen 2 is positioned on the side wall of the box body 8. The cashbox door 3 is arranged at the bottom of the side wall of the box body 8. The slideway 4, the camera module 5, the weight measuring tray 6, the built-in cashbox 7 and the AT89C51 singlechip are arranged in the box body 8. The AT89C51 single chip microcomputer is respectively connected with the LED display screen 2, the camera module 5 and the weight measuring tray 6.

Slide 4 is located coin slot 1 under, and slide 4 is slope platelike structure, and the contained angle between slide 4 and the 8 top horizontal planes of box is 60 degrees, and slide 4's width is greater than coin slot 1's width, but slightly is less than 8 internal widths of box, leaves the gap between slide 4 and the 8 inside lateral walls of box, and both sides gap is less than 1mm for guarantee circuit line can follow 8 inner walls of box and arrange, and can not make the coin leak down from slide 4 edges. The weight measuring tray 6 is parallel to the bottom surface of the box body 8, one end of the weight measuring tray is erected on the inner wall of the box body 8 through the steering engine 9, and the other end of the weight measuring tray is connected with the bottom end of the slide 4. The built-in cashbox 7 is arranged at the bottom of the box body 8 and is positioned below the weighing tray 6. The position of the built-in cashbox 7 in the box body 8 corresponds to the position of the cashbox door 3.

And a pressure sensing circuit matched with the pressure sensor is arranged in the weight measuring tray 6. The pressure sensing circuit is connected with the AT89C51 singlechip. Steering wheel 9 is fixed on 8 inner walls of box to be connected with AT89C51 singlechip, steering wheel 9 adopts S3001 steering wheel, and this model is applicable to general model, and the speed is 0.22 second/60 degrees, can provide 3.0kg x cm' S moment of torsion size. The weight measuring tray 6 can be rotated about the steering gear 9 by the steering gear 9. When the steering wheel 9 did not start, the check weighing tray 6 kept the level, and its width equals with the width of slide 4, and length can stretch to slide 4 below edge to surpass slide 4 lower extreme edge 5 ~ 10 mm. The whole slide is positioned above the weight measuring tray 6, so that under the condition that the steering engine 9 does not work, coins can not fall from a gap between the slide and the tray. The steering wheel 9 accessible AT89C51 singlechip's control drives the weight measuring tray 6 and rotates downwards, makes the coin on the weight measuring tray 6 empty in the built-in cash box 7 of below.

The camera module 5 is arranged above the weight measuring tray 6 and fixed on the top surface in the box body 8. The camera module 5 comprises a lens, an infrared filter, an image sensor and a DSP digital signal processor. The lens, the infrared filter and the image sensor are connected in sequence. The lens is used for carrying on the image acquisition work, the utility model adopts MXTX-1 model lens; the infrared filter is arranged between the lens and the image sensor, can eliminate the mixed color and avoid the ripple appearing on the later image, the utility model adopts the quartz plate with the trimming light; image sensor and infrared filter are connected, and the image sensor upper surface contains hundreds of thousands to several million photosensitive diode, can convert light signal into the signal of telecommunication, the utility model discloses a CMOS complementary quotes oxide semiconductor, and it has low cost, high sensitivity and down performs good characteristics, and OV2610 type CMOS can satisfy the function. One end of the DSP is connected with the image sensor, and the other end of the DSP is connected with an AT89C51 type single chip microcomputer, so that digital image signals can be optimized and processed, and the DSP is an imaging element. The DSP transmits the processed image signal into an AT89C51 type single chip microcomputer, and compares the processed image signal with the stored standard coin image to complete the coin identification process. The utility model discloses a TMS320C2000 type chip. The connection is shown in fig. 2. The connecting lines between the modules are arranged in the box body 8.

Preferably, the pressure sensor is an AST20HA pressure sensor. The LED display screen selects an indoor monochromatic LED display screen with the specification of phi 5.0, the back of the LED display screen is connected with the AT89C51 single chip microcomputer in the box body 8, the AT89C51 single chip microcomputer outputs signals to the LED display screen, and the LED display screen outputs information.

The utility model discloses the theory of operation of device does:

the coin is put into the coin slot 1, the coin slides in through the slideway 4 and is spread on the weight measuring tray 6, after the weight measuring tray 6 is weighed to be stable, the coin is put well, the camera module 5 starts to work, the photographed image on the weight measuring tray 6 is compared with the front side and the back side of the standard coin stored in advance, the coin is identified, the number of the coins with various face values is counted, and the amount of money is counted. And then, the coin is verified through the weight sensed by the pressure sensor of the weighing tray 6, if the standard weight and the measured total weight weighed by the weighing tray 6 have deviation, if the deviation is more than or equal to 2% of the standard weight, the AT89C51 singlechip controls the LED screen to display: a representation of "throw money not standard" or other similar instructions; if the deviation is small, if the deviation is less than 2% of the standard mass, the coins are considered to be attached with dust or have abrasion caused by use, the coins can still be used, the AT89C51 single chip microcomputer controls the LED screen to output the calculated total amount, then the AT89C51 single chip microcomputer controls the steering engine 9 to rotate, the weighing tray 6 is driven to rotate, and the coins on the surface of the weighing tray are inclined into the built-in cashbox 7 below. If the coin in the built-in cashbox 7 is full, the built-in cashbox 7 can be taken out by opening the cashbox door 3, and the next coin counting is carried out after the coin in the built-in cashbox is emptied.

The utility model discloses the device combines camera and check weighing tray to realize automatic coin function of checking, coin photo on the check weighing tray that acquires through the camera carries out coin discernment, acquire the kind of coin, and then confirmed total amount, the coin weight on the check weighing tray through the pressure sensor perception tray distinguishes the coin true and false, combine coin kind, quantity and weight to acquire total number and total amount of coin on the accurate check weighing tray, need not the human labor, the work efficiency that the coin was checked has been improved greatly.

The above description is only for the specific embodiments of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art can easily think of various equivalent modifications or replacements within the technical scope of the present invention, and these modifications or replacements should be covered within the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.

Claims

1. A coin counting device is characterized by comprising a box body (8), a coin slot (1) arranged on the box body (8), an LED display screen (2), a slide way (4), a camera module (5), a weight measuring tray (6) and an AT89C51 singlechip which are arranged in the box body (8), wherein the AT89C51 singlechip is respectively connected with the LED display screen (2), the camera module (5) and the weight measuring tray (6), the LED display screen (2) is arranged on the side wall of the box body (8), the coin slot (1) is positioned AT the top of the box body (8), the slide way (4) is arranged under the coin slot (1), the slide way (4) is of an inclined plate-shaped structure, one end of the weight measuring tray (6) is erected on the inner wall of the box body (8), the other end of the weight measuring tray is connected with the bottom end of the slide way (4) and extends out of the bottom edge of the slide way (4), and under the counting working state, coins enter the box body (8) through the coin slot (1) and are arranged on the weight measuring tray (6) through the slide rail (4), the camera module (5) is arranged right above the weight measuring tray (6), a pressure sensor is arranged in the weight measuring tray (6), and the pressure sensor is connected with the AT89C51 single chip microcomputer.

2. The coin counting device according to claim 1, wherein the side wall of the box body (8) is provided with a cashbox door (3), an internal cashbox (7) is arranged below the weight measuring tray (6), and the position of the internal cashbox (7) in the box body (8) corresponds to the position of the cashbox door (3).

3. The coin counting device according to claim 2, characterized in that in the counting working state, the weight measuring tray (6) is erected on the inner wall of the box body (8) through a steering engine (9), the steering engine (9) is connected with an AT89C51 single chip microcomputer, and the steering engine (9) is fixed on the inner wall of the box body (8).

4. A coin counting device according to claim 3, characterized in that in the counting operating state, the weighing tray (6) is parallel to the bottom surface of the box body (8), and after the counting operation is finished, the weighing tray (6) is driven to rotate by the steering gear (9).

5. The coin counting device according to claim 1, wherein the camera module (5) comprises a lens, an infrared filter, an image sensor and a DSP digital signal processor, the infrared filter is arranged between the lens and the image sensor, the lens, the infrared filter and the image sensor are sequentially connected, one end of the DSP digital signal processor is connected with the image sensor, and the other end of the DSP digital signal processor is connected with an AT89C51 type single chip microcomputer.

6. A coin counting device according to claim 1, wherein the included angle between the chute (4) and the top horizontal surface of the box (8) is 60 degrees, the width of the chute (4) is greater than the width of the coin slot (1), and the width of the chute (4) is less than the inner width of the box (8).

7. A coin counting device according to claim 6, wherein a gap is provided between the slideway (4) and the internal side wall of the housing (8) to ensure that circuit lines are arranged along the internal wall of the housing (8) to prevent coins from leaking down the edge of the slideway (4), the gap having a width of less than 1 mm.

8. A coin counting device according to claim 3, characterized in that the pressure sensor is an AST20HA pressure sensor, and the steering engine (9) is an S3001 steering engine.

9. A coin counting device according to claim 1, wherein the weigh platter (6) extends 5-10 mm beyond the bottom edge of the chute (4).

10. A coin counting device as claimed in claim 5, wherein the lens is MXTX-1 type lens, the DSP digital signal processor is TMS320C2000 type chip, the image sensor is OV2610 type CMOS image sensor, and the infrared filter is quartz plate.