CN209961318U

CN209961318U - Intelligent weighing electronic scale

Info

Publication number: CN209961318U
Application number: CN201920778128.9U
Authority: CN
Inventors: 肖逸飞; 龚志双; 米源; 吴淮; 黄飞虎
Original assignee: University of Electronic Science and Technology of China
Current assignee: University of Electronic Science and Technology of China
Priority date: 2019-05-28
Filing date: 2019-05-28
Publication date: 2020-01-17
Anticipated expiration: 2029-05-28

Abstract

The utility model discloses an intelligence electronic scale of weighing, including singlechip, AD converter, pressure sensor, bluetooth module, display screen, printer, tray and the quick-witted case of weighing, the singlechip is connected with AD converter, bluetooth module, display screen and printer respectively, and AD converter, pressure sensor and tray of weighing connect gradually respectively, and the singlechip passes through bluetooth module and is connected with mobile terminal. Singlechip, bluetooth module, AD converter and pressure sensor all set up in quick-witted incasement, and the tray of weighing sets up in quick-witted case top, and the display screen sets up in quick-witted case the place ahead. The utility model discloses a pressure sensor utilizes wireless bluetooth, combines together order details and commodity weight, and the user operates on mobile terminal and can realize weighing fast and the flow that the receipt printed the integration, saves a large amount of manual operation's numerous and diverse links, realizes the intellectuality of system.

Description

Intelligent weighing electronic scale

Technical Field

The utility model relates to an electronic scale field especially relates to an intelligence electronic scale of weighing.

Background

Traditional electronic scale adopts hardware integration's mode, and the price is higher, and commodity data update is comparatively troublesome, owing to adopt the off-line mode, generally need all update whole data through interfaces such as USB. In addition, need the staff to remember the commodity number of each commodity, to the staff, it is comparatively troublesome to use, and the cost is higher, if need change the staff, can not change at will, need carry out the training specially.

At present, the existing Bluetooth electronic scales in the market have defects in the aspects of man-machine interaction and humanization, for example, the names of goods to be weighed need to be manually input, and inquiry, processing and printing of details of orders of the goods to be weighed cannot be realized.

SUMMERY OF THE UTILITY MODEL

In order to solve the problem, the utility model provides an intelligence electronic scale of weighing, it is concrete, including singlechip, AD converter, pressure sensor, bluetooth module, display screen, printer, the tray and the quick-witted case of weighing, the singlechip is connected with AD converter, bluetooth module, display screen and printer respectively, AD converter, pressure sensor and the tray of weighing connect gradually respectively, the singlechip passes through bluetooth module and is connected with mobile terminal.

Further, singlechip, bluetooth module, AD converter and pressure sensor all set up in quick-witted incasement, the tray of weighing sets up in quick-witted case top, the display screen sets up in quick-witted case the place ahead.

Further, still include the USB module, the USB module sets up in quick-witted incasement, the printer passes through the USB module and singlechip and is connected.

Furthermore, a USB interface is arranged on one side of the case, the USB interface is inwards connected with the USB module and outwards connected with the single chip microcomputer through a USB connecting wire.

Furthermore, the intelligent alarm device also comprises an alarm module, and the alarm module is connected with the single chip microcomputer.

Further, the alarm module comprises a buzzer.

The beneficial effects of the utility model reside in that: the utility model discloses a pressure sensor utilizes wireless bluetooth, combines together order details and commodity weight, and the user operates on mobile terminal and can realize weighing fast and the flow that the receipt printed the integration, saves a large amount of manual operation's numerous and diverse links, realizes the intellectuality of system. The utility model discloses a mobile terminal who is connected with bluetooth module realizes and server commodity data real-time synchronization, and it is comparatively convenient to update data. In addition, the manufacturing cost and the use cost are low, and no professional requirement is required for an operator.

Drawings

FIG. 1 is a schematic diagram of the hardware structure and connection of the present invention;

fig. 2 is a schematic diagram of the module connection of the present invention;

fig. 3 is a schematic circuit diagram of embodiment 2 of the present invention;

reference numerals: 1-display screen, 2-printer, 3-weighing tray, 4-case, 5-USB connecting line, 6-USB interface, 7-power cord.

Detailed Description

In order to clearly understand the technical features, objects, and effects of the present invention, embodiments of the present invention will be described with reference to the accompanying drawings. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention, i.e., the described embodiments are only some, but not all embodiments of the invention. The components of embodiments of the present invention, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations. Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiment of the present invention, all other embodiments obtained by the person skilled in the art without creative work belong to the protection scope of the present invention.

Example 1

As shown in figures 1 and 2, an intelligent weighing electronic scale comprises a single chip microcomputer, an AD converter, a pressure sensor, a Bluetooth module, a display screen 1, a printer 2, a weighing tray 3 and a case 4, wherein the single chip microcomputer is respectively connected with the AD converter, the Bluetooth module, the display screen 1 and the printer 2, the AD converter, the pressure sensor and the weighing tray 3 are respectively connected in sequence, and the single chip microcomputer is connected with a mobile terminal through the Bluetooth module. Singlechip, bluetooth module, AD converter and pressure sensor all set up in quick-witted case 4, and tray 3 that weighs sets up in quick-witted case 4 top, and display screen 1 sets up in quick-witted case 4 the place ahead.

The working principle of the intelligent weighing electronic scale provided by the embodiment is as follows:

the singlechip carries out overall control, and bluetooth module is used for communicating with the cell-phone, and printer 2 is used for printing out commodity information.

On the one hand, after the customer placed commodity on weighing tray 3, pressure sensor can produce the voltage signal directly proportional with commodity weight, then gives the singlechip through AD converter with voltage signal's numerical value transmission, and the weight of commodity is calculated according to the voltage signal size that analog-to-digital conversion obtained to the singlechip, then controls display screen 1 and shows the weight information of commodity in real time.

On the other hand, when a customer places the commodity on the weighing tray 3, the type of the placed commodity can be selected through mobile phone software, and after the commodity is clicked and determined, the name and unit price information of the commodity can be sent to the single chip microcomputer through Bluetooth; meanwhile, the singlechip sends the weight information of the commodity to the mobile phone through the Bluetooth module and controls the printer 2 to print the receipt. The printed information of the receipt includes the name of the supermarket, the name of the commodity, unit price, weight and total price information, and a two-dimensional code containing all the information. In addition, after receiving the weight information sent by the single chip microcomputer, the mobile phone end and the commodity information collected before are sent to the server, and the server stores the data after receiving the data so as to correspondingly record the payment information of the user, generate a corresponding order and send a payment link to the user. Once the user has completed payment, the server will have a corresponding record.

Example 2

This example is based on example 1:

the singlechip is STC90C52 singlechip, and the AD converter adopts special high accuracy high gain 24 bit AD conversion chip HX711 of electronic scale, and pressure sensor adopts HL-8 type weighing sensor, and bluetooth module adopts CP2102 bluetooth serial module, and display screen 1 adopts dot matrix 1602 type LCD.

In addition, a USB module is arranged in the case 4 and is connected with the STC90C52 single chip microcomputer. One side of the case 4 is provided with a USB interface 6, the USB interface 6 is connected with the USB module inwards and is connected with the printer 2 outwards through a USB connecting wire 5. Wherein, the USB module can adopt a CH375USB module, and the printer 2 can adopt a GP-3120 thermal printer.

Specifically, as shown in fig. 3, the circuit schematic diagram of the present embodiment is shown, wherein the LCD1602 points to the matrix 1602 type LCD, the HX711 points to the a/D conversion chip HX711, the CH375 points to the CH375USB module, and the D0-D7 ports of the CH375USB module are connected to the P10-P17 ports of the single chip microcomputer. In addition, the CP2102 Bluetooth serial port module is connected with P30 and P31 ports of the single chip microcomputer.

Example 3

This example is based on example 2:

the intelligent weighing electronic scale further comprises an alarm module, the alarm module is connected with the STC90C52 single-chip microcomputer, and specifically, the alarm module can adopt a buzzer.

The foregoing is illustrative of the preferred embodiments of the present invention, and it is to be understood that the invention is not limited to the precise forms disclosed herein, and that various other combinations, modifications, and environments may be resorted to, falling within the scope of the invention as defined by the appended claims. But that modifications and variations may be effected by those skilled in the art without departing from the spirit and scope of the invention, which is to be limited only by the claims appended hereto.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "inner", "outer", and the like indicate the position or positional relationship based on the position or positional relationship shown in the drawings, or the position or positional relationship which is usually placed when the present invention is used, and are only for convenience of description and simplification of the description, but do not indicate or imply that the device or element to which the present invention is directed must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," and the like are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," and "connected" are to be construed broadly, e.g., as meaning fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; either a wired or wireless connection.

Claims

1. An intelligent weighing electronic scale is characterized by comprising a single chip microcomputer, an AD converter, a pressure sensor, a Bluetooth module, a display screen, a printer, a weighing tray and a case, wherein the single chip microcomputer is respectively connected with the AD converter, the Bluetooth module, the display screen and the printer, the AD converter, the pressure sensor and the weighing tray are respectively and sequentially connected, and the single chip microcomputer is connected with a mobile terminal through the Bluetooth module; the single chip microcomputer, the Bluetooth module, the AD converter and the pressure sensor are all arranged in the case, the weighing tray is arranged above the case, and the display screen is arranged in front of the case;

the printer is connected with the single chip microcomputer through the USB module.

2. An intelligent weighing electronic scale according to claim 1, wherein a USB interface is arranged on one side of the case, the USB interface is connected with the USB module inwards and connected with the single chip microcomputer outwards through a USB connecting wire.

3. The intelligent weighing electronic scale of claim 1, further comprising an alarm module, wherein the alarm module is connected with the single chip microcomputer.

4. An intelligent weighing electronic scale according to claim 3, wherein the alarm module comprises a buzzer.