CN202614279U - Detection ball capable of realizing motion measurement of ball mill medium - Google Patents
Detection ball capable of realizing motion measurement of ball mill medium Download PDFInfo
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- CN202614279U CN202614279U CN 201220226043 CN201220226043U CN202614279U CN 202614279 U CN202614279 U CN 202614279U CN 201220226043 CN201220226043 CN 201220226043 CN 201220226043 U CN201220226043 U CN 201220226043U CN 202614279 U CN202614279 U CN 202614279U
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- 238000001514 detection method Methods 0.000 title claims abstract description 14
- 238000005259 measurement Methods 0.000 title abstract description 11
- 230000001133 acceleration Effects 0.000 claims abstract description 8
- 239000013078 crystal Substances 0.000 claims abstract description 4
- 238000004891 communication Methods 0.000 claims description 4
- 238000013500 data storage Methods 0.000 abstract 1
- 238000012544 monitoring process Methods 0.000 abstract 1
- 238000000498 ball milling Methods 0.000 description 3
- 239000011159 matrix material Substances 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000006870 function Effects 0.000 description 2
- 238000013507 mapping Methods 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000013480 data collection Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000000227 grinding Methods 0.000 description 1
- 229910052744 lithium Inorganic materials 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000006386 memory function Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
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Abstract
Provided is a detection ball capable of realizing motion measurement of a ball mill medium, comprising an upper hemisphere and a lower hemisphere which are connected, wherein a data acquisition module composed of a temperature and pressure sensor, a magneto-resistive sensor, a three-dimensional acceleration sensor and a three-axis gyroscope is arranged between the upper hemisphere and the lower hemisphere; a single chip computer control module comprising a controller is arranged between a data storage module and the upper hemisphere; and the single chip computer control module constitutes the minimum system of a single chip computer by a crystal oscillator and a power switch. The utility model provides a detection ball capable of realizing motion measurement of a ball mill medium and monitoring the working state of the medium in real time and has good practicability.
Description
Technical field
The utility model relates to bowl mill, especially a kind of bowl mill medium motion measurement mechanism.
Background technology
The use of bowl mill in above-mentioned industrial circle had one very long period; But the problem that the high production capacity of its power consumption is low never is well solved; The characteristics of motion of ball-milling medium does not have very clear and definite quilt to disclose out yet, and the setting of grinding operation each item running parameter does not have accurate and unified standard yet.The new approaches, the new method that address these problems constantly are suggested, and as changing the shape of liner plate, change the big or small proportioning of ball-milling medium; Change a series of measures such as filling rate and rotational speed rate; Though some index of bowl mill is improved to a certain extent, basic problem does not obtain solution in essence, one of them major reason; Be to lack effective testing equipment; Can't observe and analyze the different motion state that different parameters produces, thus carry out the support that the research of correlation theory has just lacked test figure, so can't obtain new theory.
Summary of the invention
In order to overcome the deficiency that existing bowl mill can't effectively obtain the medium duty, the utility model provides a kind of can monitor the detection ball that medium duty, the good bowl mill the realized medium motion of practicality are measured in real time.
The utility model solves the technical scheme that its technical matters adopted:
A kind of detection ball of realizing that the bowl mill medium motion is measured; Said detection bag is drawn together episphere and lower semisphere; Said episphere is connected with lower semisphere, is provided with between said episphere and the lower semisphere by temperature and air pressure sensor, magnetoresistive transducer, three dimension acceleration sensor and three data acquisition modules that he spiral shell appearance is formed; Data are preserved between module and the episphere and are provided with the single chip control module of being made up of controller, and said Single-chip Controlling mould constitutes single-chip minimum system by crystal oscillator and power switch.
Further, said single chip control module is connected with data-carrier store, RS232 interface and communication pilot lamp.
The technical conceive of the utility model is: ball-milling medium motion state deriving means mainly comprises three major parts; At first be to detect nodule number according to acquisition module; This module realizes obtaining data functions such as the 3-axis acceleration of medium when the motion, three axis angular rates, three magnetic components, temperature, air pressure through the MEMS inertia device; Next is to detect nodule number according to memory module, and this module can realize the memory function of data, is control module at last; This module is preserved through the program control data collection and the data that write; Simultaneously this module is expanded RS232 communication interface and the pilot lamp of communicating by letter outward, like this can be so that the data that will be saved in the storer are sent to analyzing and processing in the host computer, and with the function of the motion state of acquisition medium.
The beneficial effect of the utility model mainly shows: can monitor medium duty (locus, three speed and acceleration) in real time, practicality is good.
Description of drawings
Fig. 1 is the front view (FV) that can realize the detection ball of bowl mill medium motion measurement.
Fig. 2 is the back view that can realize the detection ball of bowl mill medium motion measurement.
Fig. 3 is the circuit hardware structured flowchart that detects ball.
Fig. 4 detects the circuit hardware schematic diagram of asking.
Fig. 5 is the structural frames of motion measurement unit.
Fig. 6 is to detect carrier coordinate system that ball is the main body and to be the synoptic diagram of the motionless spherical measurement coordinate system of center fixation with the ball mill barrel.
Embodiment
Below in conjunction with accompanying drawing the utility model is further described.
With reference to Fig. 1~Fig. 6; A kind of detection ball of realizing that the bowl mill medium motion is measured; Have episphere 1, lower semisphere 2; Upper and lower hemispheres is provided with between the upper and lower hemispheres by temperature and air pressure sensor 3, magnetoresistive transducer 5, three dimension acceleration sensor 6 and three data acquisition modules that he spiral shell appearance 7 is formed through being threaded and bayonet socket is fixed; Data are preserved between module and the episphere and are provided with the single chip control module of being made up of controller 8, and this module constitutes single-chip minimum system by crystal oscillator and power switch; Control module is expanded data-carrier store 12, RS232 interface 11, communication pilot lamp 9 outward; Be convenient to the storage of data like this and data be sent in the machine machine corresponding software handle, detect inner each intermodule of ball through iic bus carry out data transmission, by 4 power supplies of 5V lithium battery.
Structural frames such as Fig. 5 of motion measurement unit are as follows.
In measuring system, the carrier coordinate system that is the main body with the detection ball as shown in Figure 6 is arranged, and (b is X
bY
bZ
bAxle) and be the motionless spherical measurement coordinate system of center fixation (p system, X with the ball mill barrel
pY
pZ
pAxle), and from b is that transformational relation to p system can obtain through three rotations of following order:
Through above-mentioned transformational relation, that is:
Promptly have
Is the strapdown matrix from the carrier coordinate axis to the direction cosine matrix T that measures the coordinate axis conversion, upgrades the strapdown matrix T through resolving, and just can obtain the mapping relations between each step-length two coordinate system.
Medium is done space three-dimensional motion in barrel, and motion is decomposed and the motion of medium in cylindrical shell can be decomposed into space line motion and spatial rotational based on space three-dimensional, can be known by Newton's law and kinematical equation and energy equation:
Have during the space line motion:
Have during spatial rotation:
Just can obtain acceleration, the angular velocity under the measurement coordinate system through the acceleration under the carrier coordinate system that sensor acquisition obtains, angular velocity data through above-mentioned two coordinate Mapping relation, just can arrive attitude information, positional information, the velocity information that detects ball through the three-dimensional space motion equation solver again.
Claims (2)
1. the detection ball that can realize that the bowl mill medium motion is measured; It is characterized in that: said detection bag is drawn together episphere and lower semisphere; Said episphere is connected with lower semisphere, is provided with between said episphere and the lower semisphere by temperature and air pressure sensor, magnetoresistive transducer, three dimension acceleration sensor and three data acquisition modules that he spiral shell appearance is formed; Data are preserved between module and the episphere and are provided with the single chip control module of being made up of controller, and said Single-chip Controlling mould constitutes single-chip minimum system by crystal oscillator and power switch.
2. the detection ball of realizing that the bowl mill medium motion is measured as claimed in claim 1 is characterized in that: said single chip control module is connected with data-carrier store, RS232 interface and communication pilot lamp.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN 201220226043 CN202614279U (en) | 2012-05-18 | 2012-05-18 | Detection ball capable of realizing motion measurement of ball mill medium |
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CN 201220226043 CN202614279U (en) | 2012-05-18 | 2012-05-18 | Detection ball capable of realizing motion measurement of ball mill medium |
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CN202614279U true CN202614279U (en) | 2012-12-19 |
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CN 201220226043 Expired - Fee Related CN202614279U (en) | 2012-05-18 | 2012-05-18 | Detection ball capable of realizing motion measurement of ball mill medium |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102749099A (en) * | 2012-05-18 | 2012-10-24 | 浙江工业大学 | Detection ball being capable of realizing medium motion measurement of ball mill |
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2012
- 2012-05-18 CN CN 201220226043 patent/CN202614279U/en not_active Expired - Fee Related
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102749099A (en) * | 2012-05-18 | 2012-10-24 | 浙江工业大学 | Detection ball being capable of realizing medium motion measurement of ball mill |
CN102749099B (en) * | 2012-05-18 | 2015-01-28 | 浙江工业大学 | Detection ball being capable of realizing medium motion measurement of ball mill |
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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: 20121219 Termination date: 20150518 |
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EXPY | Termination of patent right or utility model |