CN201421350Y - Electronic weighing equipment - Google Patents
Electronic weighing equipment Download PDFInfo
- Publication number
- CN201421350Y CN201421350Y CN2009200961747U CN200920096174U CN201421350Y CN 201421350 Y CN201421350 Y CN 201421350Y CN 2009200961747 U CN2009200961747 U CN 2009200961747U CN 200920096174 U CN200920096174 U CN 200920096174U CN 201421350 Y CN201421350 Y CN 201421350Y
- Authority
- CN
- China
- Prior art keywords
- metal support
- mould
- signal converter
- electronic weighing
- number signal
- 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 - Lifetime
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Abstract
The utility model discloses electronic weighing equipment, and aims to provide electronic weighing equipment which has the advantages of improved data acquisition speed, improved accuracy, and high sensitivity, and can reflect mass loss condition during combustion process accurately. The electronic weighing equipment adopts the structure that a supporting plate is fixed on a metal support; a heatinsulation plate used for eliminating heat radiation is placed on the supporting plate; an object pellet is placed on the heat insulation plate; a weighing sensor connected with a voltage conversion module and a data collector is mounted on each supporting leg of the metal support; and the data collector is connected with a data processor. The weighing equipment provided by the utility model has the advantages that the outdoor part is simple and easy for carrying, the sensitivity of the sensors is high, the data acquisition speed of the indoor part is fast, and the record is performed in a real-time manner, thereby greatly improving the accuracy in data acquisition, and reflecting the variety of mass loss during the combustion process accurately in a real-time manner.
Description
Technical field
The utility model relates to a kind of electronic weighing device, in particular, relates to a kind of electronic weighing device 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.
The utility model content
The utility model 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 device of mass loss situation in the combustion process.
The utility model is achieved through the following technical solutions:
A kind of electronic weighing device, 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 device.
The utlity model has following technique effect:
1. the mass change after weighing device of the present utility model 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 device of the present utility model 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 device of the present utility model, 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 utility model 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 device of the present utility model, 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 the utility model electronic weighing device;
Fig. 2 is the circuit theory diagrams of the utility model electronic weighing device.
Embodiment
Below in conjunction with the drawings and specific embodiments the utility model is described in detail.
The synoptic diagram of the utility model electronic weighing device 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 device.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 device 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 spirit and scope of the present utility model, all variations and modification are all within scope of the present utility model.
Claims (3)
1, a kind of electronic weighing device, 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 device 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 device 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 device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009200961747U CN201421350Y (en) | 2009-04-03 | 2009-04-03 | Electronic weighing equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009200961747U CN201421350Y (en) | 2009-04-03 | 2009-04-03 | Electronic weighing equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201421350Y true CN201421350Y (en) | 2010-03-10 |
Family
ID=41808010
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009200961747U Expired - Lifetime CN201421350Y (en) | 2009-04-03 | 2009-04-03 | Electronic weighing equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201421350Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104677776A (en) * | 2015-02-12 | 2015-06-03 | 杭州唐研科技有限公司 | Oxidized solid test instrument |
-
2009
- 2009-04-03 CN CN2009200961747U patent/CN201421350Y/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104677776A (en) * | 2015-02-12 | 2015-06-03 | 杭州唐研科技有限公司 | Oxidized solid test instrument |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20100310 Effective date of abandoning: 20090403 |