CN203100841U - Electronic weighing apparatus - Google Patents
Electronic weighing apparatus Download PDFInfo
- Publication number
- CN203100841U CN203100841U CN 201220669174 CN201220669174U CN203100841U CN 203100841 U CN203100841 U CN 203100841U CN 201220669174 CN201220669174 CN 201220669174 CN 201220669174 U CN201220669174 U CN 201220669174U CN 203100841 U CN203100841 U CN 203100841U
- Authority
- CN
- China
- Prior art keywords
- chip microcomputer
- electronic weighing
- keyboard
- adopts
- converter
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Landscapes
- Indicating Measured Values (AREA)
Abstract
The utility model discloses an electronic weighing apparatus. The electronic weighing apparatus comprises a single-chip microcomputer, a pressure sensor, an A/D converter, a display, a buzzer, a keyboard and a diode, wherein the pressure sensor is sequentially connected with the A/D converter and the single-chip microcomputer by an amplification circuit, and the single-chip microcomputer is connected with the display, the keyboard, the buzzer, and the light-emitting diode. According to the utility model, the sensor technology and single-chip microcomputer technology are used, so that a pressure signal of an object can be converted into a digital signal, and the weight and total price of the detected objected can be obtained timely and displayed, besides, the price of the object can be set by the keyboard. The high-precision intelligent electronic scale is small in size, accurate in metering and convenient to carry, and has functions mass metering and price calculation, meeting the use requirements of business trades and households.
Description
Technical field
The utility model belongs to measures the control field, is specifically related to a kind of electronic weighing device.
Background technology
The use of desk-top electronic scales in commerce and trade is quite general, but has bigger limitation: volume is big, cost is high, need the power frequency AC supply, carry inconvenience, application places is restricted.Existing portable balance is steelyard or realizes the spring balance that measures with spring, stretcher strain that what the resident used is steelyard substantially.Spring pan scale manufacture process requirement is higher, and the fatigue problem of spring can't thoroughly solve, in case surpass the spring limit, spring balance will produce very mistake, so that damage, has influence on the accuracy and the reliability of weighing.Therefore press for a kind of measuring accuracy height, the life-span is long, and cost is low, portative electronic-weighing equipment.
Summary of the invention
The purpose of this utility model is, a kind of electronic weighing device is provided, this device can accurately show the weight of the thing of surveying, can realize and upper PC and data storage device between swap data, in addition, the microcontroller of device has partly been selected compatible reasonable single-chip microcomputer, when device updates, only needing increases the little hardware circuit, even only revises apparatus control program and just can realize.
In order to realize above-mentioned task, the utility model is solved by the following technical solutions:
A kind of electronic weighing device, comprise single-chip microcomputer, pressure transducer, A/D converter, display, hummer, keyboard, diode, wherein, pressure transducer is connected with A/D converter, single-chip microcomputer successively by amplifying circuit, and single-chip microcomputer also is connected with display, keyboard, hummer, light emitting diode respectively simultaneously.
The utility model also has following technical characterstic:
Described single-chip microcomputer adopts AT89S52 type single-chip microcomputer.
Described sensor adopts SP20C-G501 type resistance strain type sensor.
Described A/D converter adopts AD574 type converter.
Described keyboard adopts matrix keyboard.
Described display adopts the LCD LCD.
Described hummer adopts HY-05 type hummer.
The utility model utilizes sensor technology and singlechip technology, can accurately convert the pressure model of object to digital signal, and draw the weight and the total value of the thing of surveying timely, and show, in addition can be by the price of the alleged article of keyboard to set up.Little, the accurate measurement, easy to carry of this high-precision intelligent electronic scales volume integrates quality weighing function and calculation of price function, can satisfy the user demand of commerce and trade and resident family.
Description of drawings
Fig. 1 is a structure connection layout of the present utility model.
The utility model is described in further detail below in conjunction with accompanying drawing.
Embodiment
As shown in Figure 1, electronic weighing device of the present utility model comprises single-chip microcomputer, pressure transducer, A/D converter, display, hummer, keyboard, diode, wherein, pressure transducer is connected with A/D converter, single-chip microcomputer successively by amplifying circuit, and single-chip microcomputer also is connected with display, keyboard, hummer, light emitting diode respectively simultaneously.In the utility model, single-chip microcomputer adopts AT89S52 type single-chip microcomputer, its internal storage adopts flash memory, it is convenient that program is write, and provide the chip of smaller szie, make whole hardware circuit volume littler, be used to accept the data of sensor, and control information demonstration, keyboard input and alarm equipment alarm; Sensor adopts SP20C-G501 type resistance strain type sensor, and its maximum range is 7.5Kg, has overload protection arrangement, is used to respond to the weight of the thing of surveying; A/D converter adopts AD574 type converter, its fast operation, and sampling rate can reach 1MSPS, and low in energy consumption, and is cheap, is used for the digital signal that becomes single-chip microcomputer to handle analog-signal transitions; Keyboard adopts matrix keyboard, is characterized in detection line is divided into two groups, and one group is line, one group of alignment, and button is placed on the point of crossing of line and alignment, is used for the input of extraneous data; Display adopts the LCD LCD, compares with light-emitting diode display, and its power consumption is very low, and volume is little, shows intuitively after the data that are used for that metering circuit is recorded are handled through single-chip microcomputer; Hummer adopts HY-05 type hummer, is used for cooperating with light emitting diode, when exceeding the projection electronic weighing scope, sends the sound and light alarm signal.
The course of work of the present utility model: the pressure transducer collection changes the voltage signal that produces because of pressure, amplifies through voltage amplifier circuit, and then is converted to digital signal through analog to digital converter, at last digital signal is sent into single-chip microcomputer.Single-chip microcomputer draws the weight and the total value of current alleged article, and then shows through after handling accordingly.Simultaneously, also can be by the price of the alleged article of keyboard to set up.The key technical indexes is: range of weighing 0～5kg; Scale division value 0.01kg; Accuracy class III level; No. 5 powered battery of power supply DC1.5V(one joint).And when exceeding measurement range, Single-chip Controlling hummer and light emitting diode send sound and light alarm.
The electronic devices and components that the utility model adopts are known product, and those skilled in the art are according to the i.e. concrete connected mode of electronic devices and components as can be known of the technical solution of the utility model.
Claims (7)
1. electronic weighing device, it is characterized in that, comprise single-chip microcomputer, pressure transducer, A/D converter, display, hummer, keyboard, diode, wherein, pressure transducer is connected with A/D converter, single-chip microcomputer successively by amplifying circuit, and single-chip microcomputer also is connected with display, keyboard, hummer, light emitting diode respectively simultaneously.
2. electronic weighing device as claimed in claim 1 is characterized in that, described single-chip microcomputer adopts AT89S52 type single-chip microcomputer.
3. electronic weighing device as claimed in claim 1 is characterized in that, described pressure transducer adopts SP20C-G501 type resistance strain type sensor.
4. electronic weighing device as claimed in claim 1 is characterized in that, described A/D converter adopts AD574 type converter.
5. electronic weighing device as claimed in claim 1 is characterized in that, described keyboard adopts matrix keyboard.
6. electronic weighing device as claimed in claim 1 is characterized in that, described display adopts the LCD LCD.
7. electronic weighing device as claimed in claim 1 is characterized in that, described hummer adopts HY-05 type hummer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220669174 CN203100841U (en) | 2012-12-06 | 2012-12-06 | Electronic weighing apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220669174 CN203100841U (en) | 2012-12-06 | 2012-12-06 | Electronic weighing apparatus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203100841U true CN203100841U (en) | 2013-07-31 |
Family
ID=48852235
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220669174 Expired - Fee Related CN203100841U (en) | 2012-12-06 | 2012-12-06 | Electronic weighing apparatus |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203100841U (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104621908A (en) * | 2013-11-10 | 2015-05-20 | 西北农林科技大学 | Portable intelligent shopping bag |
| CN105631780A (en) * | 2016-04-01 | 2016-06-01 | 江南大学 | Total price automatic calculator of dining room selling dishes |
| CN106092282A (en) * | 2016-07-01 | 2016-11-09 | 韦庆克 | A kind of intelligent electronic-scale system |
| CN106768213A (en) * | 2016-11-23 | 2017-05-31 | 北海高创电子信息孵化器有限公司 | A kind of electronic scale |
| CN107631787A (en) * | 2016-07-18 | 2018-01-26 | 长沙闽壹湖电子科技有限责任公司 | A kind of SCM Based electronic scale |
| CN109115316A (en) * | 2018-07-30 | 2019-01-01 | 范世宏 | A kind of visualization electronic steelyards |
-
2012
- 2012-12-06 CN CN 201220669174 patent/CN203100841U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104621908A (en) * | 2013-11-10 | 2015-05-20 | 西北农林科技大学 | Portable intelligent shopping bag |
| CN105631780A (en) * | 2016-04-01 | 2016-06-01 | 江南大学 | Total price automatic calculator of dining room selling dishes |
| CN106092282A (en) * | 2016-07-01 | 2016-11-09 | 韦庆克 | A kind of intelligent electronic-scale system |
| CN107631787A (en) * | 2016-07-18 | 2018-01-26 | 长沙闽壹湖电子科技有限责任公司 | A kind of SCM Based electronic scale |
| CN106768213A (en) * | 2016-11-23 | 2017-05-31 | 北海高创电子信息孵化器有限公司 | A kind of electronic scale |
| CN109115316A (en) * | 2018-07-30 | 2019-01-01 | 范世宏 | A kind of visualization electronic steelyards |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN203100841U (en) | Electronic weighing apparatus | |
| CN202974544U (en) | Portable digital barometer | |
| CN105486392A (en) | Small electronic weighing system based on single-chip microcomputer | |
| CN202903312U (en) | Weighing device with wireless transmission function | |
| CN202351298U (en) | Multifunctional process checkout equipment | |
| CN202836695U (en) | Dynamic weighing electronic balance | |
| CN202229724U (en) | Resistance-type strain gauge | |
| CN204330655U (en) | A kind of portable formaldehyde and PM2.5 pick-up unit | |
| CN103512648A (en) | Electronic scale facilitating information collection | |
| CN203688580U (en) | Portable sensor calibration device | |
| CN204439695U (en) | A kind of Intelligent digital multimeter of voice broadcast | |
| CN104359533A (en) | Mini jewelry electronic scale | |
| CN205981414U (en) | A weighing device for electronic component | |
| CN204346553U (en) | A kind of Portable flexible intelligent electronic-scale | |
| CN201488816U (en) | Hand-held infrared detecting device with automatic temperature-humidity detecting and correcting module | |
| CN103398759A (en) | Electronic scale with voice function | |
| CN201110768Y (en) | Large-capacity humidity and temperature recorder | |
| CN203163846U (en) | High-precision automatic weighing device | |
| CN104359536A (en) | Portable jewelry electronic scale | |
| CN202522534U (en) | Micro power consumption combustible gas detector | |
| CN206804120U (en) | A kind of accurate electronic scale device of intelligent portable | |
| CN203011610U (en) | Novel digital altimeter based on AVR one-chip microcomputer | |
| CN202033135U (en) | Digital pressure gauge | |
| CN202582655U (en) | Electronic liquid level meter | |
| CN206353049U (en) | A kind of intelligent electronic-scale system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130731 Termination date: 20131206 |