CN201514269U - Wireless electronic platform scale - Google Patents
Wireless electronic platform scale Download PDFInfo
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- CN201514269U CN201514269U CN2009202197678U CN200920219767U CN201514269U CN 201514269 U CN201514269 U CN 201514269U CN 2009202197678 U CN2009202197678 U CN 2009202197678U CN 200920219767 U CN200920219767 U CN 200920219767U CN 201514269 U CN201514269 U CN 201514269U
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Abstract
The utility model relates to a wireless electronic platform scale comprising scale bodies and a meter, wherein the number of the scale bodies is 1-4; each scale body is internally provided with an A/D conversion module, a terminal control module and a wireless transmission module; and an input/output port of a central control module in the meter is also connected with a wireless receiving module. The wireless electronic platform scale combines a wireless transmission technology with the scale, realizes united management on a plurality of scales, is more compact in the whole structure and convenient for a user to install and carry; the scale bodies are arranged in environments such as high dangers, radiation, pollution, poisonousness and the like, and the meter is arranged at safe places, so that the safety of an operator can be effectively guaranteed; and the wireless electronic platform scale is applicable to the weighing of both small objects and large objects.
Description
Technical field
The utility model relates to a kind of electronic scales in the weighing-appliance, especially a kind of wireless type electronic platform scale.
Background technology
Scale is the equipment that a kind of people often use in life, not only can be used for the weight of weighing small freight, weight that also can the weighing large item.The simplest scale is the lever scale of physical construction, and it utilizes lever principle, and the article by laying respectively at the lever construction two ends and the balance of counterweight realize the purpose of weighing.Some platform scales that develop subsequently, on-ground weigher etc. all utilize lever principle to realize, just the lever construction change is more complicated, as being made up of two to three levers interlocks.But general scale or the simple electronic type used showed when the title of physical construction showed weight, but the effect out of true that shows, error is bigger, and the scale of physical construction can be subjected to a lot of Effect of Environmental, its volume is generally bigger, not portable simultaneously, inconvenience very.Along with development of electronic technology, people produce a kind of electronic platform scale, and this electronic platform scale is by forming by interconnected scale body of cable and instrument, and its principal feature is: replaced traditional lever system with LOAD CELLS.When weighing, article are placed on the scale pan, by article the extruding of LOAD CELLS below the scale pan are produced certain voltage signal or current signal, these two signals are delivered on the display screen of instrument by cable, and people write down reading and get final product.This electronic platform scale overall volume is less, be convenient to carrying, carry, but be connected by cable between LOAD CELLS and the instrument, the wiring distance is shorter, an instrument can only be connected with a platform balance, can't be by the many platform balances of instrument unified management, and because the restriction of cable length, can't in high-risk, radiation, pollution, environment such as poisonous, use.
Summary of the invention
The purpose of this utility model is to overcome the deficiencies in the prior art, provides simple in structure, volume is little and the different location wireless type electronic platform scale of image data is simultaneously combined closely, can be realized to Radio Transmission Technology with weighing.
The technical solution adopted in the utility model is:
A kind of wireless type electronic platform scale, comprise scale body and instrument, in the scale body LOAD CELLS is installed, instrument is by central control module, display module and key-press module are formed, display module and key-press module all are connected the input/output end port of central control module, it is characterized in that: described scale body is provided with 1～4, in each scale body, the A/D modular converter is installed all, terminal control module and wireless transmitter module, each scale body inner load cell, the A/D modular converter, the annexation of terminal control module and wireless transmitter module is: the output terminal of LOAD CELLS is connected the input end of A/D modular converter, the input/output interface of the output terminal of A/D modular converter and the equal connecting terminal control module of the input end of wireless transmitter module;
The input/output end port of the central control module in the described instrument also is connected with wireless receiving module.
And the input/output end port of the central control module in the described instrument also is connected with a RS232 interface module.
And the input/output end port of the central control module in the described instrument also is connected with a RS485 interface module.
And the chip that described A/D modular converter uses is CS5532.
And the chip that described wireless transmitter module and wireless receiving module use is nRF905.
And the chip that described central control module and terminal control module are used is MSP430.
Advantage of the present utility model and good effect are:
1. this electronic platform scale is equipped with A/D modular converter, terminal control module and wireless transmitter module in each scale body, the output of LOAD CELLS is handled the back through A/D modular converter, terminal control module and wireless transmitter module and is sent by wireless mode, shows after the wireless receiving module in the instrument receives this signal.Easy to use, and long transmission distance, can realize unified collection, storage and the management of data by many platform balances of instrument management body.
2. the length of the scale body of this electronic platform scale, width can freely be set according to requirement of client, can be placed in any landform, and can use different scale bodies that different article are carried out weighing simultaneously, and be very convenient.Carry out data transmission by wireless mode between scale body and the instrument, its long transmission distance is not subjected to the restriction of cable length, and record is responsible for without the special messenger in the scene of weighing, by an instrument centralized management, high efficiency.
3. the central control module in the instrument not only provides button and display screen in this electronic platform scale, also connect a RS232 interface module and a RS485 interface module, the RS232 interface module links together central control module and upper PC, realized the weighing storage and the printing of data, the RS485 interface module is in order to satisfy the requirement of some all purpose instrument instrument.
4. the utility model combines Radio Transmission Technology and scale, realized unified management to a plurality of scales, its integral body is compact more, make things convenient for user installation and carry, in, radiation high-risk, pollution, the environment such as poisonous the scale body is set, and instrument is arranged on safe place, guaranteed operator's safety effectively at some, both be applicable to the weighing of small article, also be applicable to weighing large item weight.
Description of drawings
Fig. 1 is a structural representation of the present utility model;
Fig. 2 is the circuit block diagram in the scale body 1;
Fig. 3 is the circuit block diagram in the instrument;
Fig. 4 is the circuit diagram of A/D modular converter.
Embodiment
Below in conjunction with example, the utility model is further specified, following embodiment is illustrative, is not determinate, can not limit protection domain of the present utility model with following embodiment.
A kind of wireless type electronic platform scale, shown in Fig. 1～4, comprise scale body and instrument, in the scale body LOAD CELLS is installed, instrument is by central control module, display module and key-press module are formed, display module and key-press module all are connected the input/output end port of central control module, innovation of the present utility model is: the scale body is provided with 1～4, it is respectively scale body 1, scale body 2, scale body 3 and scale body 4, in four scale bodies, the A/D modular converter is installed all, terminal control module and wireless transmitter module, each scale body inner load cell, the A/D modular converter, the annexation of terminal control module and wireless transmitter module is that (with scale body 1 is example, other three scale bodies are identical): the output terminal of LOAD CELLS 1 connects the input end of A/D modular converter 1, the input/output interface of the equal connecting terminal control module 1 of input end of the output terminal of A/D modular converter 1 and wireless transmitter module 1; The input/output end port of the central control module in the instrument also is connected with wireless receiving module.
Adopt the withstand voltage metal spring protection of high strength in the scale body, LOAD CELLS adopts ultra-thin section steel manufacture, characteristics such as have compact conformation, anti-bias load, overload capacity is strong, long-time stability are good, and one-piece construction process strict seal PROCESS FOR TREATMENT simultaneously, water resistance is good.
A kind of multi-channel type analog/digital converter with utmost point low noise that the chip that all A/D modular converters use is released as U.S. Cirrus Logic company, its model is CS5532.Because integrated charge balance technique of this chip and extremely low noise programmable-gain chopped wave stabilizing measuring amplifier, have and amplify and filter function, can obtain output result up to 24 bit resolutions, and have high dynamic range and advantage such as power configuration option flexibly, make this device be very suitable for dynamic weighing.The circuit of A/D modular converter as shown in Figure 4, its reference voltage is provided by special reference voltage device AD780.
The chip that all wireless transmitter modules and wireless receiving module use is nRF905, nRF905 is the monolithic radio frequency emitter chip that Norway Nordic company releases, operating voltage is 1.9-3.6V, and 32 pin QFN encapsulate (5mm * 5mm), work in 3 ISM channels of 433/868/915MHz.Between nRF905 in the wireless receiving module and the MSP430 in the central control module and the SPI interface communication that all uses standard between the MSP430 in nRF905 in the wireless transmitter module and the terminal control module.
Input/output interface at central control module also is connected with a RS232 interface module and a RS485 interface module.The RS232 interface module links together central control module and upper PC, the storage and the printing of the data that realized weighing, and the RS485 interface module is in order to satisfy the requirement of some all purpose instrument instrument.
Can use built-in power in the weigh data sending device and the data sink of weighing, also can use external power supply, built-in power can be a rechargeable battery.
Claims (6)
1. wireless type electronic platform scale, comprise scale body and instrument, in the scale body LOAD CELLS is installed, instrument is by central control module, display module and key-press module are formed, display module and key-press module all are connected the input/output end port of central control module, it is characterized in that: described scale body is provided with 1～4, in each scale body, the A/D modular converter is installed all, terminal control module and wireless transmitter module, each scale body inner load cell, the A/D modular converter, the annexation of terminal control module and wireless transmitter module is: the output terminal of LOAD CELLS is connected the input end of A/D modular converter, the input/output interface of the output terminal of A/D modular converter and the equal connecting terminal control module of the input end of wireless transmitter module;
The input/output end port of the central control module in the described instrument also is connected with wireless receiving module.
2. wireless type electronic platform scale according to claim 1 is characterized in that: the input/output end port of the central control module in the described instrument also is connected with a RS232 interface module.
3. wireless type electronic platform scale according to claim 1 is characterized in that: the input/output end port of the central control module in the described instrument also is connected with a RS485 interface module.
4. wireless type electronic platform scale according to claim 1 is characterized in that: the chip that described A/D modular converter uses is CS5532.
5. wireless type electronic platform scale according to claim 1 is characterized in that: the chip that described wireless transmitter module and wireless receiving module use is nRF905.
6. wireless type electronic platform scale according to claim 1 is characterized in that: the chip that described central control module and terminal control module are used is MSP430.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202197678U CN201514269U (en) | 2009-10-21 | 2009-10-21 | Wireless electronic platform scale |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202197678U CN201514269U (en) | 2009-10-21 | 2009-10-21 | Wireless electronic platform scale |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201514269U true CN201514269U (en) | 2010-06-23 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009202197678U Expired - Fee Related CN201514269U (en) | 2009-10-21 | 2009-10-21 | Wireless electronic platform scale |
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| Country | Link |
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| CN (1) | CN201514269U (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103065230A (en) * | 2012-11-30 | 2013-04-24 | 云南云铝涌鑫铝业有限公司 | Method and system for finished product warehouse table type buffer scale measuring management |
| CN103383280A (en) * | 2013-06-26 | 2013-11-06 | 浙江工业大学 | Weighing device with combined scales |
| CN103528655A (en) * | 2013-10-24 | 2014-01-22 | 晋江福兴拉链有限公司 | Wireless intelligent auxiliary terminal system of electronic platform scales |
| CN105043520A (en) * | 2015-04-29 | 2015-11-11 | 苏州泰欧阔仪器科技有限公司 | Self-service weighing statistics device |
| CN105784077A (en) * | 2016-04-08 | 2016-07-20 | 贵州大学 | Multi-scale-plate high-precision electronic scale |
| CN106452480A (en) * | 2016-10-17 | 2017-02-22 | 陈畅 | Wireless grain purchasing system |
| CN109540274A (en) * | 2018-12-29 | 2019-03-29 | 佛山科学技术学院 | A kind of electronic scale based on electronic ink screen |
| CN109556689A (en) * | 2017-09-26 | 2019-04-02 | 深圳市兰洋科技有限公司 | A kind of electronic filling equipment |
-
2009
- 2009-10-21 CN CN2009202197678U patent/CN201514269U/en not_active Expired - Fee Related
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103065230A (en) * | 2012-11-30 | 2013-04-24 | 云南云铝涌鑫铝业有限公司 | Method and system for finished product warehouse table type buffer scale measuring management |
| CN103383280A (en) * | 2013-06-26 | 2013-11-06 | 浙江工业大学 | Weighing device with combined scales |
| CN103528655A (en) * | 2013-10-24 | 2014-01-22 | 晋江福兴拉链有限公司 | Wireless intelligent auxiliary terminal system of electronic platform scales |
| CN103528655B (en) * | 2013-10-24 | 2016-08-17 | 晋江福兴拉链有限公司 | Electronic platform scale intelligent wireless auxiliary terminal system |
| CN105043520A (en) * | 2015-04-29 | 2015-11-11 | 苏州泰欧阔仪器科技有限公司 | Self-service weighing statistics device |
| CN105784077A (en) * | 2016-04-08 | 2016-07-20 | 贵州大学 | Multi-scale-plate high-precision electronic scale |
| CN106452480A (en) * | 2016-10-17 | 2017-02-22 | 陈畅 | Wireless grain purchasing system |
| CN109556689A (en) * | 2017-09-26 | 2019-04-02 | 深圳市兰洋科技有限公司 | A kind of electronic filling equipment |
| CN109556689B (en) * | 2017-09-26 | 2024-05-17 | 深圳市兰洋科技有限公司 | Electronic filling equipment |
| CN109540274A (en) * | 2018-12-29 | 2019-03-29 | 佛山科学技术学院 | A kind of electronic scale based on electronic ink screen |
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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: 20100623 Termination date: 20121021 |