CN101514917B - Electronic weighing system - Google Patents
Electronic weighing system Download PDFInfo
- Publication number
- CN101514917B CN101514917B CN2009100683801A CN200910068380A CN101514917B CN 101514917 B CN101514917 B CN 101514917B CN 2009100683801 A CN2009100683801 A CN 2009100683801A CN 200910068380 A CN200910068380 A CN 200910068380A CN 101514917 B CN101514917 B CN 101514917B
- Authority
- CN
- China
- Prior art keywords
- metal support
- signal converter
- weighing system
- mould
- data acquisition
- 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
Images
Landscapes
- Portable Nailing Machines And Staplers (AREA)
Abstract
The invention discloses an electronic weighing system aiming at providing a highly sensitive electronic weighing system which can improve data collecting speed and accuracy and accurately reflect mass loss in the process of burning in real time. A supporting plate is fixed at a metal support, a thermal baffle which can prevent thermal radiation is placed on the supporting plate, a loading tray is placed on the thermal baffle, weighing sensors are respectively arranged at legs of the metal support, each weighing sensor is respectively connected with an analog/digital signal converter, each analog/digital signal converter is respectively connected with a voltage transformation module and a data acquisition unit, the data acquisition unit is connected with a data processor. The outdoor part of the weighing system of the invention is simply structured and is easy to be transported and the sensor is highly sensitive, while the indoor part thereof features rapid data acquisition and real time recording, thus greatly improving accuracy of data acquisition and being capable of accurately reflecting changes of mass loss in the process of burning in real time.
Description
Technical field
The present invention relates to a kind of electronic weighing system, in particular, relate to a kind of electronic weighing system that can accurately measure combustible mass loss speed in real time.
Background technology
The mass loss rate of combustible is an important parameter, can directly reflect the combustion characteristics of combustible, and is significant in fire research and fuel combustion research process.Traditional weighing system multipotency directly reflects the quality of weighed object under the state of mass conservation, but in the combustible Study on Combustion Characteristics, the combustion process of combustible is the process that a quality constantly changes, use the process that traditional weighing system can't reflect mass change, and accuracy and sensitivity are not high.
Summary of the invention
The present invention is in order to overcome weak point of the prior art, to provide a kind of and can improve acquisition speed and accuracy, and is highly sensitive, can in real time, accurately reflect the electronic weighing system of mass loss situation in the combustion process.
The present invention is achieved through the following technical solutions:
A kind of electronic weighing system, it is characterized in that, comprise metal support, be fixed with supporting plate on the described metal support, be placed with on the described supporting plate and prevent thermal-radiating thermal insulation board, be placed with pallet on the described thermal insulation board, on 4 supporting legs of metal support, be separately installed with LOAD CELLS, each LOAD CELLS is connected with mould/number signal converter respectively, described mould/number signal converter is connected with data acquisition unit with voltage transformation module respectively, described data acquisition unit is connected with data processor, and described voltage transformation module is connected with power supply.
Described voltage transformation module and mould/number signal converter places the iron sheet casing, described iron sheet casing is fixed on the metal support of supporting plate bottom, the signal input line of the power input line of voltage transformation module, mould/number signal converter and output line respectively from the iron sheet casing perforate pick out.
Described metal support is made by metal tube, and the output line of each LOAD CELLS places in the metal tube of making metal support, and along being connected with mould/number signal converter in the metal tube importing iron sheet casing.Described LOAD CELLS is a resistance strain type sensor, and the mass range of weighing is a plurality of resistance strain type sensor range ability sums in the system.
The present invention has following technique effect:
1. the mass change after weighing system of the present invention adopts data acquisition unit to the combustible burning is carried out data acquisition, the picking rate height of data acquisition unit, can reach and gather for 1 second 20 times, thereby effectively guaranteed the promptness and the sensitivity of data acquisition, can in real time, accurately reflect the situation of change of mass loss in the combustion process.
2. the range ability of the used resistance strain type sensor of weighing system of the present invention is 0～100kg, and the mass range that can accurately measure is 0～400kg, and minimum resolution is 50g, is enough to satisfy the measurement range requirement of scientific research.
3. in the weighing system of the present invention, mould/number signal converter and voltage transformation module are put in the iron casing, place on the support of supporting plate bottom, are convenient to the access of sensor line, have simplified circuit greatly, and do not take space outerpace in addition.
4. between the supporting plate on pallet and the metal support, lay one deck thermal insulation board, can prevent to occur in the combustion process because of release heat causes the influence of the spread of voltage of sensor to measurement result, the effectively harmful effect that causes of caloric restriction downward radiation.
5. the present invention has adopted dismountable combination form, and pallet, thermal insulation board and metal support all are separable, is convenient to the carrying of the outdoor part of weighing, and greatly facilitates use.
6. in the weighing system of the present invention, metal support and LOAD CELLS are integrated, object is placed in any position at pallet, the quality determination error that all can guarantee measured object is within 0.1%, sensitivity can reach 1.9998mV/V, have highly sensitively, picking rate is fast, and reacting condition is advantage timely.
Description of drawings
Fig. 1 is the structural representation of electronic weighing system of the present invention;
Fig. 2 is the circuit theory diagrams of electronic weighing system of the present invention.
Embodiment
Below in conjunction with the drawings and specific embodiments to the detailed description of the invention.
The synoptic diagram of electronic weighing system of the present invention as depicted in figs. 1 and 2, comprise metal support 3, be fixed with supporting plate 9 on the metal support 3, be placed with on the supporting plate 9 and prevent thermal-radiating thermal insulation board 8, be placed with pallet 2 on the thermal insulation board 8, on 4 supporting legs of metal support, be separately installed with LOAD CELLS 4, each LOAD CELLS is connected with mould/number signal converter respectively, described mould/number signal converter is connected with data acquisition unit 6 with voltage transformation module respectively, data acquisition unit 6 is connected with data processor 7, and voltage transformation module is connected with power supply 1.Wherein LOAD CELLS is a resistance strain type sensor, and the mass range of weighing is a plurality of resistance strain type sensor range ability sums in the system.Data processor adopts computing machine.
Described voltage transformation module and mould/number signal converter places iron sheet casing 5, described iron sheet casing 5 is fixed on the metal support of supporting plate bottom, the signal input line of the power input line of voltage transformation module, mould/number signal converter and output line respectively from the iron sheet casing perforate pick out.
Described metal support is made by metal tube, and the output line of each LOAD CELLS places in the metal tube of making metal support, and along being connected with mould/number signal converter in the metal tube importing iron sheet casing 5 of forming metal support.
Voltage transformation module will become to be suitable for the voltage of mould/number signal converter from the 220V voltage transitions that power supply comes, and give mould/number signal converter power supply.After putting combustible on the pallet, the resistance of LOAD CELLS changes, through mould/number signal converter this change in resistance is converted to voltage signal again, data acquisition unit collects the variation of mould/number signal converter voltage, data is delivered to data processor handle.Along with the burning of combustible, data acquisition unit is constantly delivered to data processor with the data of gathering and handled, and notes the mass loss process in the combustion process, and is significant in fire research and fuel combustion research process.Outdoor section simply is easy to carrying, the transducer sensitivity height, and the indoor section acquisition speed is fast, real time record, thus improved the accuracy of data acquisition greatly.
Although relate to a kind of electronic weighing system and carried out special description disclosed with reference to embodiment, embodiment described above is illustrative and not restrictive, under the situation that does not break away from the spirit and scope of the present invention, all variations and modification are all within the scope of the present invention.
Claims (3)
1. electronic weighing system, it is characterized in that, comprise metal support, be fixed with supporting plate on the described metal support, be placed with on the described supporting plate and prevent to be placed with pallet on the described thermal insulation board by thermal-radiating thermal insulation board, on each supporting leg of metal support, be separately installed with LOAD CELLS, each LOAD CELLS is connected with mould/number signal converter respectively, and described mould/number signal converter is connected with data acquisition unit with voltage transformation module respectively; Described voltage transformation module and mould/number signal converter places the iron sheet casing, described iron sheet casing is fixed on the metal support of supporting plate bottom, the signal input line of the power input line of voltage transformation module, mould/number signal converter and output line respectively from the iron sheet casing perforate pick out; Described data acquisition unit is connected with data processor, and described voltage transformation module is connected with power supply.
2. electronic weighing system according to claim 1, it is characterized in that, described metal support is made by metal tube, and the output line of each LOAD CELLS places in the metal tube of making metal support, and along being connected with mould/number signal converter in the metal tube importing iron sheet casing.
3. electronic weighing system according to claim 1 and 2 is characterized in that described LOAD CELLS is a resistance strain type sensor, and the mass range of weighing is a plurality of resistance strain type sensor range ability sums in the system.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009100683801A CN101514917B (en) | 2009-04-03 | 2009-04-03 | Electronic weighing system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009100683801A CN101514917B (en) | 2009-04-03 | 2009-04-03 | Electronic weighing system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101514917A CN101514917A (en) | 2009-08-26 |
| CN101514917B true CN101514917B (en) | 2010-09-08 |
Family
ID=41039462
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009100683801A Expired - Fee Related CN101514917B (en) | 2009-04-03 | 2009-04-03 | Electronic weighing system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101514917B (en) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102095480B (en) * | 2010-11-30 | 2012-06-13 | 大连理工大学 | Heating real-time weighting device of high-temperature material |
| WO2012092334A1 (en) * | 2010-12-28 | 2012-07-05 | Jaeger Mark H | Feed bin monitoring system and method |
| CN104237045A (en) * | 2014-06-05 | 2014-12-24 | 上海沃杉化工有限公司 | Novel drainability tester |
| CN105865603A (en) * | 2016-04-21 | 2016-08-17 | 邹平县供电公司 | Weighing bracket of small electronic scale for weighing ultralong goods |
| CN114674584A (en) * | 2022-03-09 | 2022-06-28 | 中国辐射防护研究院 | Large-scale mobile experimental device for simulating pool fire in finite space |
| CN115683920A (en) * | 2022-12-21 | 2023-02-03 | 中国科学技术大学 | Large-scale Chi Huo multipoint type mass loss rate measuring system |
-
2009
- 2009-04-03 CN CN2009100683801A patent/CN101514917B/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| CN101514917A (en) | 2009-08-26 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101514917B (en) | Electronic weighing system | |
| CN2847278Y (en) | Heat conductivity in-site detecting probe | |
| CN102680518A (en) | Compensation type gas sensor and humiture compensation method thereof | |
| CN201653844U (en) | Thermal barrier coating high-temperature oxidation resistant performance test device | |
| CN108444526A (en) | The hot Combined Loading environment multi-channel multi-parameter high frequency sound data network structure of explosive power | |
| CN206114150U (en) | Measure thermocouple time constant's device | |
| CN201421350Y (en) | Electronic weighing equipment | |
| CN106017625A (en) | Method for detecting quantity of grain in grain bin, and pressure sensor | |
| CN103698540B (en) | Rapid determination method and device for ash content in lignocellulosic biomass fuel | |
| CN102226772A (en) | Device for measuring carbon content of fly ash in boiler of electric power plant | |
| CN201965099U (en) | Device for measuring fly ash carbon content of boiler in power plant | |
| CN202281631U (en) | Fluidic gas meter | |
| CN213689329U (en) | Self-powered environmental corrosion monitoring system for wind power equipment | |
| CN204807169U (en) | Electronic balance stoving control system | |
| CN108627262A (en) | transient temperature measuring system | |
| CN107462313A (en) | A kind of micrometer assay balance and analysis method | |
| CN207366229U (en) | Grain drying energy efficiency evaluation system | |
| CN203241472U (en) | Multiple-cantilever beam microwave power sensor | |
| CN201060147Y (en) | Digital primary coal moisture measurement device | |
| KR200439307Y1 (en) | A load cell with ip address | |
| CN207020030U (en) | A kind of thermal power plant's flying marking amount detecting device based on radio-frequency technique | |
| CN202649149U (en) | Compensation-type gas sensor | |
| CN208723005U (en) | A kind of list fuel battery inside detection structure | |
| CN110133178A (en) | The permanganate index analyzer for having environment adaption function | |
| CN205333106U (en) | Intelligent detecting system of electricity rice cooker efficiency test |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| 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: 20100908 Termination date: 20130403 |