CN201731926U - Weight detection mechanism and stock bin weight detection control system with same - Google Patents
Weight detection mechanism and stock bin weight detection control system with same Download PDFInfo
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- CN201731926U CN201731926U CN201020119323XU CN201020119323U CN201731926U CN 201731926 U CN201731926 U CN 201731926U CN 201020119323X U CN201020119323X U CN 201020119323XU CN 201020119323 U CN201020119323 U CN 201020119323U CN 201731926 U CN201731926 U CN 201731926U
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- supporting leg
- lower support
- support seat
- weight
- branching holder
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Abstract
The utility model discloses a weight detection mechanism, which is mounted on a supporting leg and comprises an upper support, a lower support, a transmitting rod and a weighing sensor. The supporting leg is mounted on a supported weight and deforms under the action of gravity of the weight. The upper support and the lower support are fixed onto the supporting leg along the axial direction of the supporting leg, the upper support is positioned above the lower support, the weighing sensor is mounted on the lower support, the axial direction of the transmitting rod is parallel to that of the supporting leg, the upper end of the transmitting rod is fixed onto the upper support, and the lower end of the transmitting rod is abutted to the weighing sensor. The weight detection mechanism converts elastic micro-deformation of the supporting leg into change of a distance between the upper support and the lower support for amplification, the amplified deformation is transmitted to the weighing sensor by the transmitting rod to be converted into electric signals, and consequentially, the weight detection mechanism realizes weight detection, and is reliable in performance, high in detection precision and convenient in installation and maintenance. Correspondingly, the utility model further discloses a stock bin weight detection control system with the mechanism.
Description
Technical field
The utility model relates to a kind of testing agency, relates more specifically to a kind of weight detecting mechanism and has the feed bin weight TT﹠C system of this mechanism.
Background technology
Along with steady development of economy, improving constantly of scientific and technological level requires commercial unit to have the degree of precision requirement, and therefore various testing agencies arise at the historic moment.In recent years, industrial developments such as the metallurgy of China, machinery, the energy (electric power, oil, coal, rock gas etc.), chemistry, building materials are swift and violent, its supporting facility such as plant equipment is corresponding is bringing in constant renewal in the replacement, developing rapidly wherein along with commerical ready-mixed concrete in the construction field, concrete production is stirred by small-scale working-yard of past, changes into by the large-scale ready-mixed concrete factory that uses bulk cement to carry out centralized production to produce; At iron and steel metallurgical industry, also taked superseded small furnace, primary converter, the conversion of newly-built large blast furnace and converter, the scale effect can reach energy-saving and emission-reduction, boosts productivity, and promotes the purpose of product quality.Supporting with it raw material storage, the batching feed bin needs the large-tonnage feed bin of raw material storage, batching equally gradually to large scale development in chemical industry, food and other many industries; Along with enterprise to product quality, consumption of raw materials, raw material goes out warehouse-in control, and the raising that cost management etc. require is more and more higher to the measuring requirement of this large-tonnage feed bin, usually need to understand the height of material level in the feed bin, and the inbound/outbound process deposit data of feed bin is realized the secondary check and correction; Therefore need a kind ofly can accurately measure weight of material in the feed bin, allocating and measuring precision, the testing agency that can safeguard easily and keep in repair sensor simultaneously neatly again.
Existing detection to feed bin has dual mode, and the first kind is exactly a weight detecting, and second class is exactly that material level detects.
Weight detecting to material in the feed bin: be by at the pressure transducer that is installed in feed bin bottom or top, the weight of feed bin is directly changed into millivolt signal, finish by amplification, analog to digital conversion, the digital mode that shows, though this mode measuring accuracy can meet the demands, but for the feed bin more than 200 tons, the installation cost height is arranged, maintenance difficult during sensor fault, thereby very inconvenient on using; And this detection system is when being used for Charge Mixture Control, and measuring accuracy can be subjected to the influence of a lot of extraneous factors, so in actual production, application less.
Controlling level at the large-tonnage feed bin detects: people in this class detects are as long as understand the height of material in the feed bin, whether can overflow when reinforced and the storehouse in material whether empty, information such as whether need to replenish, the most frequently used material level detection mode has mechanical type and ray type level gauging mode, and for the abominable powder warehouse of environment, can only use mechanical stuff level switch to carry out node detection especially, and be difficult to carry out weight detecting; The ray type level transducer is by measuring ultrasound wave or radar wave from being issued to the height that the time of returning draws material in the feed bin, as calculating the weight of measuring material, then come calculated weight by volume and proportion, because the stocking angle of material, and water percentage own, the influence that granularity, bulk density change, the gravimetric value error of gained is very big.
Therefore, being necessary to provide a kind of installs and weight detecting mechanism that easy to maintenance and dependable performance, accuracy of detection are high and have the feed bin weight TT﹠C system of this mechanism.
The utility model content
It is low that one of the purpose of this utility model provides a kind of installation cost, easy to maintenance and dependable performance, the weight detecting mechanism that accuracy of detection is high.
It is low that another purpose of the present utility model provides a kind of installation cost, easy to maintenance and dependable performance, the feed bin weight TT﹠C system that accuracy of detection is high.
For achieving the above object, the technical solution of the utility model is: a kind of weight detecting mechanism is provided, be installed on the effect that is used to the gravity that supports weight and be subjected to described weight and produce the supporting leg of deformation, described weight detecting mechanism comprises upper branching holder, the lower support seat, transmit bar and LOAD CELLS, described upper branching holder and described lower support seat are fixed on the described supporting leg and described upper branching holder is positioned at described lower support seat top along the axis direction of described supporting leg, described LOAD CELLS is installed on the described lower support seat, the axially parallel of the axial and described supporting leg of described transmission bar, the upper end of described transmission bar is fixed on the described upper branching holder, and the lower end of described transmission bar and described LOAD CELLS are conflicted.
Preferably, described upper branching holder and described lower support seat all are weldingly fixed on the described supporting leg, by welding, upper branching holder and lower support seat more firmly are fixed on the described supporting leg, guarantee that the distance between described upper branching holder and the lower support seat can effectively reflect the deformation of supporting leg, thereby improve reliability and the accuracy that detects.
Preferably, fixedly connected with described upper branching holder by holding screw in the upper end of described transmission bar.Described LOAD CELLS is installed on the described lower support seat by holding screw, realizes being threaded by holding screw, makes to install and the better convenience of maintenance.
Equally preferably; described weight detecting mechanism also comprises shell body; described upper branching holder, lower support seat, transmission bar and LOAD CELLS all are placed in the described shell body; described shell body is fixedly mounted on the described supporting leg; described shell body helps protecting upper branching holder, lower support seat, transmits bar and LOAD CELLS; each parts of described weight detecting mechanism are become one, the convenient installation and transfer.
The utility model also provides a kind of feed bin weight TT﹠C system, comprise feed bin, signal amplification unit, AD conversion unit, signal processing unit, display unit, performance element and some weight detecting mechanisms, described feed bin has the supporting leg of the described feed bin of some supports, described weight detecting mechanism is installed on the described supporting leg correspondingly, described weight detecting mechanism all is electrically connected with the input end of described signal amplification unit, the output terminal of described signal amplification unit is electrically connected with the input end of described AD conversion unit, the output terminal of described AD conversion unit is electrically connected with described signal processing unit, described display unit and performance element are electrically connected with described signal processing unit respectively, wherein, described weight detecting mechanism comprises upper branching holder, the lower support seat, transmit bar and LOAD CELLS, described upper branching holder and described lower support seat are fixed on the described supporting leg and described upper branching holder is positioned at described lower support seat top along the axis direction of described supporting leg, described LOAD CELLS is installed on the described lower support seat and with the input end of described signal amplification unit and is electrically connected, the axially parallel of the axial and described supporting leg of described transmission bar, the upper end of described transmission bar is fixed on the described upper branching holder, and the lower end of described transmission bar and described LOAD CELLS are conflicted.
Preferably, described upper branching holder and described lower support seat all are weldingly fixed on the described supporting leg, by welding, upper branching holder and lower support seat more firmly are fixed on the described supporting leg, guarantee that the distance between described upper branching holder and the lower support seat can effectively reflect the deformation of supporting leg, thereby improve reliability and the accuracy that detects.
Preferably, fixedly connected with described upper branching holder by holding screw in the upper end of described transmission bar.Described LOAD CELLS is installed on the described lower support seat by holding screw, realizes being threaded by holding screw, makes to install and the better convenience of maintenance.
Equally preferably; described weight detecting mechanism also comprises shell body; described upper branching holder, lower support seat, transmission bar and LOAD CELLS all are placed in the described shell body; described shell body is fixedly mounted on the described supporting leg; described shell body helps protecting upper branching holder, lower support seat, transmits bar and LOAD CELLS; each parts of described weight detecting mechanism are become one, the convenient installation and transfer.
Compared with prior art, because weight detecting mechanism of the present utility model is installed on the supporting leg that supports weight, supporting leg is subjected to the action of gravity of weight to produce micro-deformation, upper branching holder and lower support seat are fixed on the supporting leg along the axis direction of supporting leg, utilize upper branching holder and lower support seat that the micro-elastic deformation amount that weight of heavy changes caused supporting leg is amplified, be that conversion reaction is the variation of distance between upper branching holder and the lower support seat, deflection after again this being amplified passes to LOAD CELLS by the transmission bar and converts electric signal to, thereby realize detection to weight change, its structural principle is simple, installation cost is low, easy to maintenance and dependable performance, the accuracy of detection height has wider applicability.Correspondingly, feed bin weight TT﹠C system installation cost of the present utility model is low, easy to maintenance and dependable performance, accuracy of detection height.
Description of drawings
Fig. 1 is the structural representation of the utility model feed bin TT﹠C system.
Fig. 2 is the enlarged diagram of A part among Fig. 1.
Fig. 3 is the structured flowchart of the utility model feed bin weight TT﹠C system.
Embodiment
In order to describe technology contents of the present utility model, structural attitude in detail, be described further below in conjunction with embodiment and conjunction with figs., label identical among the wherein different figure is represented identical parts.As mentioned above, the utility model discloses a kind of weight detecting mechanism, be installed on the effect that is used to the gravity that supports weight and be subjected to described weight and produce the supporting leg of deformation, the supporting leg of described weight detecting mechanism produces micro-deformation with the Gravity changer of weight, by being converted to the variation that is fixed on distance between upper branching holder on the supporting leg and the lower support seat along the supporting leg axis direction the micro-elastic deformation amount of supporting leg is amplified, deflection after again this being amplified passes to LOAD CELLS by the transmission bar and converts electric signal to, realization is to the detection of weight change, its dependable performance, accuracy of detection height and installation and maintenance are convenient.
Referring to figs. 1 to Fig. 3, the feed bin weight TT﹠C system of the utility model embodiment comprises feed bin 10, signal amplification unit 20, AD conversion unit 30, signal processing unit 40, display unit 70, performance element 60 and some weight detecting mechanisms 50, as shown in Figure 1, described feed bin 10 is used to store any material, described feed bin 10 is tubular, its upper end is equipped with fly-ash separator 12, feed bin 10 lower ends are provided with funnelform discharging opening 14, described feed bin 10 has the supporting leg 16 of the described feed bin 10 of some supports, in the present embodiment, the quantity of described supporting leg 16 is 3, is appreciated that ground, and the quantity of supporting leg 16 is relative set according to actual needs.Described supporting leg 16 is vertical with surface level, described weight detecting mechanism 50 is installed on the described supporting leg 16 correspondingly, specifically as shown in Figure 2, described weight detecting mechanism 50 comprises upper branching holder 51, lower support seat 52, transmit bar 53, LOAD CELLS 54 and shell body 55, described upper branching holder 51 and described lower support seat 52 are weldingly fixed on the described supporting leg 16 and described upper branching holder 51 is positioned at described lower support seat 52 tops along the axis direction of supporting leg 16, by welding, upper branching holder 51 and lower support seat 52 more firmly are fixed on the described supporting leg 16, guarantee that the distance between described upper branching holder 51 and the lower support seat 52 can effectively reflect the deformation of supporting leg 16, thereby improve reliability and the accuracy that detects.Described upper branching holder 51 is located along the same line with described lower support seat 52 and is parallel with the axis direction of described supporting leg 16, described LOAD CELLS 54 is fixed on the described lower support seat 52 by holding screw 56, the axially parallel of the axial and described supporting leg 16 of described transmission bar 53, described transmission bar 53 upper ends are fixed on the described upper branching holder 51 by holding screw 56, the lower end of described transmission bar 53 and described carrying sensor 54 are conflicted, realize being threaded by holding screw 56, make and install and the better convenience of maintenance.Described LOAD CELLS 54 is chosen as circular plate type or radial load and weighing cell, and it is simple in structure, dependable performance, and the precision height can receive accurately from transmitting the pressure that bar 53 presses down and converting thereof into electric signal and transfers out.Described LOAD CELLS 54 upper ends have the end of probe 541 of shape spherical in shape, and described transmission bar 53 is conflicted with this end of probe 541, transfers the pressure in the LOAD CELLS 54 by this end of probe 541.Described shell body 55 is rectangular-shaped and has hollow structure; described shell body is fixedly mounted on the described supporting leg 16; described upper branching holder 51, lower support seat 52, transmission bar 53 and LOAD CELLS 54 all are placed in the described shell body 55; upper branching holder 51, lower support seat 52, transmission bar 53 and LOAD CELLS 54 are contained in the described shell body 55; help protecting upper branching holder 51, lower support seat 52, transmit bar 53 and LOAD CELLS 54; each parts of described weight detecting mechanism 50 are become one, the convenient installation and transfer.Described weight detecting mechanism 50 is simple in structure, and installation cost is low, and easy to maintenance and dependable performance, accuracy of detection height have wider applicability, are applicable to the weight detecting of large and heavy objects, are particularly useful for the feed bin 10 that stores powder is carried out weight detecting.
With reference to figure 3, the feed bin weight TT﹠C system of the utility model embodiment, the output terminal that is installed on the LOAD CELLS 54 of the weight detecting mechanism 50 on the supporting leg 16 of feed bin 10 is electrically connected with the input end of described signal amplification unit 20, the output terminal of described signal amplification unit 20 is electrically connected with the input end of described AD conversion unit 30, the output terminal of described AD conversion unit 30 is electrically connected with described signal processing unit 40, described display unit 70 and performance element 60 are electrically connected with described signal processing unit 40 respectively, the lead-in wire of the LOAD CELLS 54 of each weight detecting mechanism 50 can be concentrated by terminal box, and then further be electrically connected with signal amplification unit 20, described performance element 70 can be the instruction input block, user's order is imported and is connected in the signal processing unit 60, the also control gear that can make alarm unit or link to each other with feed bin 10, transmit the object command of carrying out described signal processing unit 60, described display unit 60 can also can be a LCD for the some display tubes of number.
The principle of work of feed bin weight TT﹠C system of the present utility model is as described below: store or be mounted with certain material in the described feed bin 10, as shown in Figure 2, distance between described upper branching holder 51 and the lower support seat 52 is L1, feed bin 10 is along with material discharging and charging and when producing the variation of weight, described supporting leg 16 produces the elastic deformation of trace owing to the action of gravity of feed bin 10, meanwhile, because upper branching holder 51 and lower support seat 52 are welded on the described supporting leg 16 deformation along with described supporting leg 16 along the axis direction of supporting leg 16, corresponding the changing of distance between described upper branching holder 51 and the lower support seat 52, distance between upper branching holder 51 and the lower support seat 52 becomes L2, the micro-elastic deformation that is about to supporting leg 16 generations is enlarged into Δ L, this Δ L=L1-L2, deflection Δ L after the amplification drives by upper branching holder 51 and transmits the LOAD CELLS 54 that bar 53 passed to and transmitted the conflict of bar 53 lower ends, the spherical end of probe 541 of described LOAD CELLS 54 is accepted from the pressure that transmits bar 53 and by described LOAD CELLS 54 its conversion to be produced into millivolt signal, signal amplification unit 20 is with this signal amplification and output to AD conversion unit 30, AD conversion unit 30 becomes digital signal with this analog signal conversion, calculate relatively through described signal processing unit 40 again, display result on display unit 60, and send command adapted thereto according to the result after handling and carry out corresponding actions to performance element 70.The initial setting of the distance between described upper branching holder 51 and the lower support seat 52, it is material characteristic parameter according to the supporting leg 16 of feed bin 10, measuring accuracy requires and the characterisitic parameter of the sensor selected for use and deciding, select for use the LOAD CELLS 54 more than 4 or 4 can effectively reduce the error that factors such as wind load carries cause, be appreciated that ground, the quantity of described weight detecting mechanism 50 can be according to actual needs and corresponding configuration.
Compared with prior art, because weight detecting mechanism 50 of the present utility model is installed on the supporting leg 16 that supports feed bin 10, the action of gravity of supporting leg 16 receiver bins 10 produces micro-deformation, upper branching holder 51 is installed on the supporting leg 16 with lower support seat 52 and is positioned on the same straight line with the parallel axes of supporting leg 16, utilize upper branching holder 51 and the micro-elastic deformation amount of lower support seat 52 to amplify with the caused supporting leg 16 of weight change of the material in the feed bin 10, be that conversion reaction is the variation of distance between upper branching holder 51 and the lower support seat 52, deflection after again this being amplified passes to LOAD CELLS 54 by transmission bar 53 and converts electric signal to, its structural principle is simple, dependable performance, accuracy of detection height and installation and maintenance are convenient, can satisfy the TT﹠C requirement of the feed bin of any different internal environments, applicability is strong.Described feed bin weight TT﹠C system is obtained the weight change information of feed bin 10 by weight detecting mechanism 50, in real time the material in the feed bin 10 is detected and monitors, the accuracy of detection height, dependable performance, broken away from size, whether built up the difficult problem of the installation and the maintenance of the sensor that produces owing to feed bin 10, also greatly reduce the cost of feed bin weight TT﹠C system, have higher popularization and actual utilization benefit.
Above disclosed only is preferred embodiments of the present utility model, can not limit the interest field of the utility model certainly with this, and therefore the equivalent variations of being done according to the utility model claim still belongs to the scope that the utility model is contained.
Claims (10)
1. weight detecting mechanism, be installed on the effect that is used to the gravity that supports weight and be subjected to described weight and produce the supporting leg of deformation, it is characterized in that, described weight detecting mechanism comprises upper branching holder, the lower support seat, transmit bar and LOAD CELLS, described upper branching holder and described lower support seat are fixed on the described supporting leg and described upper branching holder is positioned at described lower support seat top along the axis direction of described supporting leg, described LOAD CELLS is installed on the described lower support seat, the axially parallel of the axial and described supporting leg of described transmission bar, the upper end of described transmission bar is fixed on the described upper branching holder, and the lower end of described transmission bar and described LOAD CELLS are conflicted.
2. weight detecting mechanism as claimed in claim 1 is characterized in that, described upper branching holder and described lower support seat all are weldingly fixed on the described supporting leg.
3. weight detecting mechanism as claimed in claim 1 is characterized in that, fixedlys connected with described upper branching holder by holding screw in the upper end of described transmission bar.
4. weight detecting mechanism as claimed in claim 1 is characterized in that, described LOAD CELLS is installed on the described lower support seat by holding screw.
5. weight detecting mechanism as claimed in claim 1, it is characterized in that, described weight detecting mechanism also comprises shell body, and described upper branching holder, lower support seat, transmission bar and LOAD CELLS all are placed in the described shell body, and described shell body is fixedly mounted on the described supporting leg.
6. feed bin weight TT﹠C system, it is characterized in that, comprise feed bin, signal amplification unit, AD conversion unit, signal processing unit, display unit, performance element and some weight detecting mechanisms, described feed bin has the supporting leg of the described feed bin of some supports, described weight detecting mechanism is installed on the described supporting leg correspondingly, described weight detecting mechanism all is electrically connected with the input end of described signal amplification unit, the output terminal of described signal amplification unit is electrically connected with the input end of described AD conversion unit, the output terminal of described AD conversion unit is electrically connected with described signal processing unit, described display unit and performance element are electrically connected with described signal processing unit respectively, wherein, described weight detecting mechanism comprises upper branching holder, the lower support seat, transmit bar and LOAD CELLS, described upper branching holder and described lower support seat are fixed on the described supporting leg and described upper branching holder is positioned at described lower support seat top along the axis direction of described supporting leg, described LOAD CELLS is installed on the described lower support seat and with the input end of described signal amplification unit and is electrically connected, the axially parallel of the axial and described supporting leg of described transmission bar, the upper end of described transmission bar is fixed on the described upper branching holder, and the lower end of described transmission bar and described LOAD CELLS are conflicted.
7. feed bin weight TT﹠C system as claimed in claim 6 is characterized in that, described upper branching holder and described lower support seat all are weldingly fixed on the described supporting leg.
8. feed bin weight TT﹠C system as claimed in claim 6 is characterized in that fixedlying connected with described upper branching holder by holding screw in the upper end of described transmission bar.
9. feed bin weight TT﹠C system as claimed in claim 6 is characterized in that described LOAD CELLS is installed on the described lower support seat by holding screw.
10. feed bin weight TT﹠C system as claimed in claim 6, it is characterized in that, described weight detecting mechanism also comprises shell body, and described upper branching holder, lower support seat, transmission bar and LOAD CELLS all are placed in the described shell body, and described shell body is fixedly mounted on the described supporting leg.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201020119323XU CN201731926U (en) | 2010-02-10 | 2010-02-10 | Weight detection mechanism and stock bin weight detection control system with same |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201020119323XU CN201731926U (en) | 2010-02-10 | 2010-02-10 | Weight detection mechanism and stock bin weight detection control system with same |
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| CN201731926U true CN201731926U (en) | 2011-02-02 |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102651329A (en) * | 2011-09-21 | 2012-08-29 | 北京京东方光电科技有限公司 | Detection method for detecting substrate damage in placing box and placing box |
| CN103808394A (en) * | 2014-02-17 | 2014-05-21 | 长春吉大科学仪器设备有限公司 | Weighing structure of crop dryer and crop dryer with weighing structure |
| CN107716072A (en) * | 2017-09-30 | 2018-02-23 | 泉州市泉港鑫林机械科技有限公司 | A kind of discharging equipment suitable for lithium battery production and processing pulverizer |
| CN114705280A (en) * | 2022-04-11 | 2022-07-05 | 苏州大学 | Vehicle-mounted weighing sensor |
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2010
- 2010-02-10 CN CN201020119323XU patent/CN201731926U/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102651329A (en) * | 2011-09-21 | 2012-08-29 | 北京京东方光电科技有限公司 | Detection method for detecting substrate damage in placing box and placing box |
| CN102651329B (en) * | 2011-09-21 | 2014-08-06 | 北京京东方光电科技有限公司 | Detection method for detecting substrate damage in placing box and placing box |
| CN103808394A (en) * | 2014-02-17 | 2014-05-21 | 长春吉大科学仪器设备有限公司 | Weighing structure of crop dryer and crop dryer with weighing structure |
| CN103808394B (en) * | 2014-02-17 | 2016-01-20 | 长春吉大科学仪器设备有限公司 | A kind of check weighing structure and the crop dryer comprising this structure of crop dryer |
| CN107716072A (en) * | 2017-09-30 | 2018-02-23 | 泉州市泉港鑫林机械科技有限公司 | A kind of discharging equipment suitable for lithium battery production and processing pulverizer |
| CN107716072B (en) * | 2017-09-30 | 2024-02-23 | 东莞市羽博通讯设备有限公司 | Discharging equipment suitable for lithium battery production and processing pulverizer |
| CN114705280A (en) * | 2022-04-11 | 2022-07-05 | 苏州大学 | Vehicle-mounted weighing sensor |
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