CN204214539U - Pocket electronic balance scale device - Google Patents
Pocket electronic balance scale device Download PDFInfo
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- CN204214539U CN204214539U CN201420547865.5U CN201420547865U CN204214539U CN 204214539 U CN204214539 U CN 204214539U CN 201420547865 U CN201420547865 U CN 201420547865U CN 204214539 U CN204214539 U CN 204214539U
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Abstract
The utility model relates to a kind of pocket electronic balance scale device, especially carries out the portable general-purpose platform device of electronic balance technical field exploitation.Device is made up of power management module, single-chip microcomputer main control module, download online debugging module, Weighing cell module, A/D modular converter and driver module six part of weighing.The working power that power management module provides two-way stable for system; Single-chip microcomputer main control module is the nucleus module of device control treatment, is made up of main control chip and minimum support circuit thereof; Download online debugging module is responsible for online programming and the artificial debugging of device; Weighing cell module is the physical device that object is weighed, and main devices is LOAD CELLS; A/D modular converter is that the analog quantity of weighing of LOAD CELLS collection is converted into digital quantity to main control chip process; The object actual weight that driver module of weighing display A/D modular converter exports.This device has download online and debug function, and volume is little, and interface is easy to connect, is easy to upgrading.
Description
Technical field
The utility model relates to a kind of pocket electronic balance scale device, especially carries out the portable general-purpose platform device of electronic balance technical field exploitation.
Background technology
Electronic balance technology just started to walk in states such as Japan, Germany, Switzerland as far back as the eighties, and China's electronic balance to start development mid-term in the eighties, it is 0.1mg (ten thousand/) that Hunan University in 1986 succeeds in developing precision, range is the smart electronics analytical balance of 0 ~ 200g, and have passed technical appraisement with 1986 in Changsha, fill up domestic blank, reach the leading level in the world of early eighties.Although it is very ripe that electronic balance develops into present technology, be mostly for specific occasion, market is customized to master, do not have portability, the Practice Platform device for some developers and trainee is less.
Summary of the invention
The technical problems to be solved in the utility model is: pocket electronic balance scale device can complete the basic functions such as weighing, counting, check and correction, peeling, and range ability is 0 ~ 2kg, and precision is 0. 01g; Device realizes modular design, has stronger transplantability, by changing LOAD CELLS, is just applicable to the occasion of weighing of different range and precision; This device is applicable to beginner and the developer of electronic balance scale, and device is connected with PC by USB port, can realize online programming debugging easily and download upgrading, and device appearance design is main considers that cost is low, volume is little, and interface is easy to connect, is easy to carry.
The utility model solves the technical scheme that its technical matters adopts: device is made up of power management module, single-chip microcomputer main control module, download online debugging module, Weighing cell module, A/D modular converter and driver module six part of weighing.The working power that power management module provides two-way stable for system, single-chip microcomputer main control module is the nucleus module of device control treatment, be made up of main control chip and minimum support circuit thereof, download online debugging module is responsible for online programming and the artificial debugging of device, Weighing cell module is the physical device that object is weighed, main devices is LOAD CELLS, A/D modular converter is that the analog quantity of weighing of LOAD CELLS collection is converted into digital quantity to main control chip process, the object actual weight that driver module of weighing display A/D modular converter exports.This device has download online and debug function, and volume is little, and interface is easy to connect, is easy to upgrading.
Further, power management module is formed primarily of 220V-9V transformer, full-wave rectification bridge, AMS1117-5V voltage conversion chip and HT7550-1 linear voltage stabilization chip circuit, the 5V working power that two-way can be provided stable for whole Circuits System; The main control chip of single-chip microcomputer main control module selects the IAP15F2K61S2 chip of STC Corporation; Download online debugging module selects USB port to turn serial port chip CH340G, realizes serial ports pattern and downloads and debugging; Weighing cell module selects promise to contain LAK-E-B resistance-strain chip LOAD CELLS, and the range of balance weighing apparatus is 0 ~ 2kg, and precision is 0. 01g; A/D modular converter selects 20 analog to digital converter ADS1230; The numeral method driving chip of driver module of weighing selects TM1602, can drive the display of 23 Digital sum pipes.
Further, described 220V external power supply is with the form of supply socket, be connected with the transformer terminal of power management module by power lead, described download online debugging module to be connected with computing machine with USB interface and to communicate, the signal output part of described LOAD CELLS links with the signal input part of described A/D modular converter, the signal output part of described A/D modular converter is connected with the signal input part of described main control chip, and the signal output part of described main control chip is connected with the signal input part of described driver module of weighing.
In order to portability and the portability of implement device, power management module except adopting the input of 220V alternating current, also can directly by USB port from PC work to take power; Select IAP15F2K61S2 chip as the main control chip of single-chip microcomputer main control module, eliminate reset circuit and clock circuit, achieve IAP download online and copying, be convenient to the in-circuit emulation study of beginner, also the in-circuit emulation debugging of research staff is convenient to, if desired system software upgraded and download, only need turn serial port circuit by USB and just can realize.
The utility model has the advantage of:
1), the power management module of this device is divided into dual power supply pattern, and a route voltage stabilizing chip HT550-1 is responsible for powering to A/D conversion chip, and another routing voltage conversion chip AMS1117-5V is responsible for the power supply of other hardware circuits;
2), this device adopts modular design, and USB interface integrates on-line debugging, download, PC power taking, thus is convenient to user and carries and application;
3), this device by special charactron driving chip TM1602, the digital displaying function of different brightness can be realized.
Accompanying drawing explanation
Fig. 1 is hardware configuration schematic layout pattern of the present utility model.
Embodiment
As shown in Figure 1, pocket electronic balance scale device is made up of power management module, single-chip microcomputer main control module, download online debugging module, Weighing cell module, A/D modular converter and driver module six part of weighing.The external 220V AC power of device, by the 220V-9V transformer circuit of power management module, the full wave bridge rectifier circuit that 4 schottky diodes are formed, AMS1117-5V voltage conversion chip circuit and HT7550-1 linear voltage stabilization chip circuit provide stable 5V working power for system; Single-chip microcomputer main control module is made up of main control chip IAP15F2K61S2 and minimum support circuit thereof, and the I/O mouth do not used in system is drawn by expansion mouth, is convenient to the flexible expansion of apparatus function; Download online debugging module comprises USB interface and CH340G chip circuit, and usb signal is converted to serial communication signal, realizes download online and the artificial debugging function of electronic balance scale software systems; Weighing cell module selects promise to contain LAK-E-B resistance-strain chip LOAD CELLS, and the analog signal output of LOAD CELLS is connected with 8 pin (AINN) with 7 pin (AINP) of ADS1230 chip; A/D modular converter selects 20 analog to digital converter ADS1230, transfers the analog quantity that the LAK-E-B resistance strain-gauge transducer of prime obtains to digital quantity and give single-chip microcomputer process after the conversion of ADS1230; Driver module of weighing selects special charactron driving chip TM1602,3 I/O pins of IAP15F2K61S2 chip are connected with 20 pin (STB) with 18 pin (DIN) of TM1602 chip, 19 pin (CLK), drive the weight of 6 Digital sum pipe display objects, the brightness of numeral method is adjustable; 2 Independent keys are used for arranging systematic parameter, can complete to weigh, remove the peel, count and the function such as clearing, are connected with 2 I/O pins of IAP15F2K61S2 chip.
The embodiment of the just pocket electronic balance scale device described in above instructions, various illustrating is not construed as limiting the flesh and blood of pocket electronic balance scale device, person of an ordinary skill in the technical field after having read instructions can to before described embodiment make an amendment or be out of shape, and do not deviate from essence and the scope of utility model.
Claims (3)
1. pocket electronic balance scale device, is characterized by: device is made up of power management module, single-chip microcomputer main control module, download online debugging module, Weighing cell module, A/D modular converter and driver module six part of weighing; The working power that power management module provides two-way stable for system, single-chip microcomputer main control module is the nucleus module of device control treatment, be made up of main control chip and minimum support circuit thereof, download online debugging module is responsible for online programming and the artificial debugging of device, Weighing cell module is the physical device that object is weighed, main devices is LOAD CELLS, A/D modular converter is that the analog quantity of weighing of LOAD CELLS collection is converted into digital quantity to main control chip process, the object actual weight that driver module of weighing display A/D modular converter exports; Device is connected with PC by USB port, can realize online programming debugging easily and download upgrading.
2. pocket electronic balance scale device according to claim 1, it is characterized by: power management module is made up of 220V-9V transformer, full-wave rectification bridge, AMS1117-5V voltage conversion chip and HT7550-1 linear voltage stabilization chip circuit, for system provides stable 5V working power; The main control chip of single-chip microcomputer main control module selects the IAP15F2K61S2 of STC Corporation; Download online debugging module selects USB port to turn serial port chip CH340G, realizes serial ports pattern and downloads and debugging; Weighing cell module selects promise to contain LAK-E-B resistance-strain chip LOAD CELLS; A/D modular converter selects 20 analog to digital converter ADS1230; The numeral method driving chip of driver module of weighing selects TM1602, drives the display of 23 Digital sum pipes.
3. pocket electronic balance scale device according to claim 2, it is characterized by: described 220V external power supply is with the form of supply socket, be connected with the transformer terminal of power management module by power lead, described download online debugging module to be connected with computing machine with USB interface and to communicate, the signal output part of described LOAD CELLS links with the signal input part of described A/D modular converter, the signal output part of described A/D modular converter is connected with the signal input part of described main control chip, the signal output part of described main control chip is connected with the signal input part of described driver module of weighing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420547865.5U CN204214539U (en) | 2014-09-23 | 2014-09-23 | Pocket electronic balance scale device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420547865.5U CN204214539U (en) | 2014-09-23 | 2014-09-23 | Pocket electronic balance scale device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204214539U true CN204214539U (en) | 2015-03-18 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420547865.5U Expired - Fee Related CN204214539U (en) | 2014-09-23 | 2014-09-23 | Pocket electronic balance scale device |
Country Status (1)
| Country | Link |
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| CN (1) | CN204214539U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105509859A (en) * | 2015-12-25 | 2016-04-20 | 青岛北斗星云通信科技有限公司 | Electronic scale for supermarket |
| CN105547444A (en) * | 2015-12-25 | 2016-05-04 | 青岛北斗星云通信科技有限公司 | Weighing apparatus |
| CN105628166A (en) * | 2015-12-25 | 2016-06-01 | 青岛北斗星云通信科技有限公司 | Electronic weighing instrument |
| CN110262371A (en) * | 2019-06-06 | 2019-09-20 | 南京理工大学 | A kind of brick tea Automatic Burden Control System and method |
-
2014
- 2014-09-23 CN CN201420547865.5U patent/CN204214539U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105509859A (en) * | 2015-12-25 | 2016-04-20 | 青岛北斗星云通信科技有限公司 | Electronic scale for supermarket |
| CN105547444A (en) * | 2015-12-25 | 2016-05-04 | 青岛北斗星云通信科技有限公司 | Weighing apparatus |
| CN105628166A (en) * | 2015-12-25 | 2016-06-01 | 青岛北斗星云通信科技有限公司 | Electronic weighing instrument |
| CN110262371A (en) * | 2019-06-06 | 2019-09-20 | 南京理工大学 | A kind of brick tea Automatic Burden Control System and method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150318 Termination date: 20150923 |
|
| EXPY | Termination of patent right or utility model |