CN1793873B - Automatic sampling and testing system of on-line X fluorescence analysis - Google Patents
Automatic sampling and testing system of on-line X fluorescence analysis Download PDFInfo
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- CN1793873B CN1793873B CN 200510022356 CN200510022356A CN1793873B CN 1793873 B CN1793873 B CN 1793873B CN 200510022356 CN200510022356 CN 200510022356 CN 200510022356 A CN200510022356 A CN 200510022356A CN 1793873 B CN1793873 B CN 1793873B
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Abstract
An automatic sample preparing and conveying system of on-line X-fluorescence analysis is prepared as connecting screw to sample preparation motor through driving mechanism, setting sample pressing padon base and in corresponding to pressure head at screw bottom, setting sample cup coordinating with pressure head and said pad on rotary arm driven by stepping motor, setting conveying unit corresponding to material outlet of hopper and being driven by driving motor, using monolithic computer to control operation of each motor.
Description
Technical field
The present invention is relevant with online xrf analysis automatic sampling and festing system.
Background technology
In mine, metallurgy industry, mineral aggregate around the clock transmits on belt.People will measure the constituent content situation of change of mineral aggregate on the belt, to determine the back technological process or to calculate the element general assembly (TW) that flow through the same day.Content for the mineral aggregate element that can on-line measurement transmits on the belt, the present online xrf analysis method of using of a kind of advanced person, do not need obtain solution can directly analyze the content of element in the sample, only need regularly the mineral aggregate that transmits on the belt to be taken a sample, make measuring samples, then the sample that makes is carried out Measurement and analysis, the average content of using of representing sample on the belt.This method has characteristics fast and accurately.Geometric condition when the condition that it requires is measurement is consistent and gets final product, normally the sample ore on the belt being pressed into pie measures, therefore, in order to satisfy the measuring condition of online xrf analysis, and the sample of obtaining can be sent into measuring system, and automatically be pressed into cake, give the xrf analysis systematic analysis then, behind to be analyzed the finishing, automatically sample is taken away from the detector of X calamity light analytic system.In order to realize online xrf analysis, must there be a servo control mechanism to finish sample presentation, send survey, goes sample work, and can under the Long-distance Control of computer system, finish above a series of actions automatically.Still useless at home and abroad at present on iron ore concentrate can be automatically to belt in online sample thief deliver to automatically and be pressed into the pie measuring samples in the sample preparation measurement mechanism, deliver to the detector place again and measure, behind to be measured the finishing, remove the device of this sample automatically.
Summary of the invention
The objective of the invention is for provide a kind of be used for iron ore concentrate online can be automatically to belt on the sampling sample be pressed into the pie measuring samples automatically, delivering to the detector place again measures, behind to be measured the finishing, remove the online xrf analysis automatic sampling and festing system of this sample automatically.
The object of the present invention is achieved like this:
The online xrf analysis automatic sampling and festing system of the present invention, comprise base, place the principal post on the end Cuo, the support of feed funnel is arranged at the top, the mobile gear of dress detector, the sample preparation motor is contained in the column top and its output shaft passes the column top, screw mandrel one end stretches into that the column top is stretched out after the threaded engagement of spiral shell with it in the column top and pressure head is equipped with in its external part bottom, screw mandrel is connected with the sample preparation motor by gear train, on the base with screw mandrel bottom ram opposite position on have and press the sample pad, be loaded on the pivot arm that is subjected to the stepper motor drive with the sample cup of pressing sample pad and pressure head to cooperate, with respect to feed funnel discharging opening place the conveyer that contains travelling belt that driven by driving motor is arranged in the support, the single-chip microcomputer of employing U is arranged in the described system
1Control the control device of each machine operation, control device comprises the top set sensor on the vertical rack that is contained in the column top, the bottom set sensor, be contained on the screw mandrel top with the top set sensor, the sensing chip that the bottom set sensor cooperates, be loaded on the sensing chip on the sample cup, be contained in 0 ° of sensor that the sensing chip with on the sample cup on the support cooperates respectively, 90 ° of sensors, 180 ° of sensors, be contained in the left sensor of putting on the mobile device respectively, put right sensor, be contained on the detector with put left sensor, put the sensing chip that right sensor cooperates, each sensor is respectively by driver and single-chip microcomputer U
1Connect or direct and single-chip microcomputer U
1Thereby connect the duty of controlling each motor, single-chip microcomputer U
1Adopting model is the single-chip microcomputer of 77E58.
0 ° of above-mentioned sensor, 90 ° of sensors, 180 ° of sensors are respectively by driver U
2A, U
2B, U
2CWith single-chip microcomputer U
1Connect driver U
2A, U
2B, U
2CAdopted model be the driver of CD4011.
Above-mentioned top set sensor, bottom set sensor, put left sensor, put right sensor respectively directly and single-chip microcomputer U
1Connect.
Above-mentioned single-chip microcomputer U
1Be connected with computing machine by serial line interface, can adopt the RS232 serial line interface.
The slideway tangent with the driving belt turning point arranged on the above-mentioned support, make material to be measured accurately fall into sample cup.
Have in the above-mentioned system and be connected with wire rod thread and be contained in screw mandrel locating sleeve on the column top.
It is the system of core with the single-chip microcomputer that the present invention is one, exercises: sample presentation, sample preparation, test sample, go the execution of sample and position probing all to finish by single-chip microcomputer, by central control system---the computer commands of serial line interface reception outside 1000 meters, finish the instruction action of central control system.Code of each action regulation, execute after the action and send a code to central control computer, if can not get in preset time carrying out action return sign indicating number the time, can affirm that just automatic sampling and festing system has fault, can produce a warning immediately, prompting operation person checks to the scene.The present invention be used for iron ore concentrate online can be automatically to belt on the sampling sample be pressed into the pie measuring samples automatically, deliver to the detector place again and measure, remove this sample, automaticity height behind to be measured the finishing automatically.
Description of drawings
Fig. 1 also is the sample presentation synoptic diagram for structural representation of the present invention simultaneously.
Fig. 2 is the left view of Fig. 1.
Fig. 3 is a sample preparation synoptic diagram of the present invention.
Fig. 4 is the left view of Fig. 3.
Fig. 5 is a test sample synoptic diagram of the present invention.
Fig. 6 is the left view of Fig. 5.
Fig. 7 moves synoptic diagram for detector.
Fig. 8 is the vertical view of Fig. 9.
Fig. 9 is for removing the sample synoptic diagram for the present invention.
Figure 10 is the left view of Fig. 7.
Figure 11 is a control circuit block diagram of the present invention.
Figure 12 is a control circuit schematic diagram 1 of the present invention.
Figure 13 is a control circuit schematic diagram 2 of the present invention.
Figure 14 is a control circuit schematic diagram 3 of the present invention.
Figure 15 is the driving motor fundamental diagram.
Figure 16 is a main program flow chart.
Figure 17 is the interrupt routine process flow diagram.
Embodiment
Referring to Fig. 1～Figure 10, column 16, top are housed on the base 28 mobile gear 1, the stepper motor bearing 35 of the support 34 of feed funnel 8, dress detector 2.The gearing 27 that is arranged in support has base-mounted bearing 36, and level is connected the belt conveyer frames 37 on the bearing 36, and what be subjected to that driving motor 26 drives is contained in belt gear 38 on the belt conveyer frames 37.The travelling belt 9 relative with feed funnel 8 discharging openings arranged in the belt transmission agency 38.Sample preparation motor 7 is contained in the column top and output shaft vertically passes the column top.Pressure head 17 was equipped with in its external part bottom after the threaded one end of screw mandrel 15 passed the screw mandrel locating sleeve 6 that is connected the column top and the nut in the column top.Driving gear 5, follower gear 4 in the gear drive are contained in respectively on sample preparation motor output shaft and the screw mandrel.On base, have and press sample pad 23, the sample cup of the no end 22 that places the inner chamber of pressing on the sample pad 23 and pressure head to match with screw mandrel pressure head opposite position.Tangent and the slideway 10 end sensing sample cup with the travelling belt turning point is arranged on the belt conveyer frames.The speed reduction unit 19 that stepper motor 20 is housed on the stepper motor bearing 35, is connected with stepper motor 20, swivel arm 21 is contained on the reducer output shaft.Sample cup is contained on swivel arm one end and the other end of swivel arm is equipped with balancing weight 18.Detector mobile motor 33 is arranged in the mobile device 2.The top set sensor 13, the bottom set sensor 12 that are contained on the column top vertical rack 40 are arranged in the control device 39, be positioned at the screw mandrel top with top set sensor, the sensing chip 14 that the bottom set sensor cooperates.Be respectively arranged with 3,180 ° of sensors 11 of 25,90 ° of sensors of 0 ° of sensor at support 29 with respect to the position of sample cup, have on the sample cup and 0 ° of sensor, 90 ° of sensors, 180 ° of sensing chips 24 that sensor cooperates.Have on the detector mobile device to place putting left sensor 30, put right sensor 31 on the base, be loaded on the detector with put left sensor, put right sensor nut engaged (sensing chip) 29.
According to the course of work, automatic sampling and festing system is divided into sample presentation, sample preparation, test sample, goes four steps of sample.Each action all relies on Single Chip Microcomputer (SCM) system to control realization by the program of having finished.
1, sample presentation:, the sample ore on the little travelling belt is delivered in the sample cup 22 referring to Fig. 1, Fig. 2.
Be positioned at and start rotation after driving motor 26 on the gearing 27 receives feed signal, drive travelling belt 9 runnings.Sample ore is fallen on the travelling belt 9 through feed funnel 8, moves to slideway 10 with travelling belt 9, stays in the sample cup 22 again.Gearing shuts down, thereby stops feeding after treating that by the predefined time sample cup 22 is filled.After sample cup 22 was filled, unnecessary material poured off from the both sides of sample cup 22, outwards draws along bottom plate hole again.
2, sample preparation:, the sample in the sample cup 22 is pressed into cake referring to Fig. 3～Fig. 4.
Driving motor 26 stops, 7 runnings of sample preparation motor, driving gear 5 drive follower gear 4 rotations along with rotation, follower gear 4 is fixed on the nut in the column 16, under 6 effects of screw mandrel locating sleeve, nut drives screw mandrel 15 and moves down, according to the good position of debugging in advance, when the sensing chip 14 at screw mandrel 15 tops during near sensor 12, sample preparation motor 7 shuts down after receiving signal, and screw mandrel 15 stops to move, and at this moment the pressure head 17 that links to each other with screw mandrel 15 is pressed into fine and close cake with the sample in the sample cup 22.This cake bottom is smooth, can satisfy the requirement of xrf analysis to sample.After screw mandrel 15 stopped certain hour on request, sample preparation motor 7 restarted, and reverse rotation drive screw mandrel 15 moves up, when the sensing chip 14 at screw mandrel 15 tops during near sensor 13, sample preparation motor 7 shuts down, and screw mandrel 15 stops to move, and promptly gets back to reference position.
3, test sample:, the sample that is pressed into cake in the sample cup is delivered to the detector place measure referring to Fig. 5～Fig. 8.
When screw mandrel 15 returns to reference position, stepper motor 20 begins to rotate, after speed reduction unit 19 speed changes, drive swivel arm 21 and be fixed in sample cup 22 on the swivel arm 21 (in the sample that is pressed into cake is arranged) rotation, go to 90 degree by 0 degree, when 24 proximity transducers 3 of the sensing chip on the sample cup 22, after Single Chip Microcomputer (SCM) system receives signal, control step motor 20 stops operating, this moment, Single-chip Controlling detector mobile motor 33 drive minor leading screws 32 rotated, minor leading screw 32 drives detector 2 by travelling nut 29 and moves right, and when travelling nut 29 arrived right sensor 31 positions, control detector mobile motor 33 stopped operating after single-chip microcomputer received signal.The sample bottom centre of this moment in the sample cup 22 measurement window center of alignment detector 2 is just in time measured by given Measuring Time.After measurement is finished, stepper motor 20 restarts, the sample cup 22 that drives swivel arm 21 and be fixed on the swivel arm 21 rotates, go to 180 degree by 90 degree, when 24 proximity transducers 11 of the sensing chip on the sample cup, stepper motor 20 stops operating, and the axial line of sample cup 22 just in time overlaps with the axial line of screw mandrel 15.Single-chip Controlling detector mobile motor 33 drives minor leading screw 32 rotations then, minor leading screw 32 drives detector 2 by travelling nut 29 and is moved to the left, when travelling nut 29 arrives left sensor 30 positions, control detector mobile motor 33 stopped operating after single-chip microcomputer received signal, waited for next time and measuring.
4, remove sample:, the sample after measuring in the sample cup is destroyed referring to Fig. 9, Figure 10.
When system detects sample cup 22 and is positioned at top 180 and spends, sample preparation motor 7 starts, drive screw mandrel 15 and move down certain displacement, sample after measuring in the sample cup 22 is destroyed, 7 reverse rotations of sample preparation motor drive screw mandrel 15 and move up then, and when the sensing chip 14 at screw mandrel 15 tops during near sensor 13, sample preparation motor 7 shuts down, screw mandrel 15 stops to move, and promptly gets back to reference position.At this moment stepper motor 20 restarts, and drives swivel arm 21 and sample cup 22 continuation rotations, will press the sample on the sample pad 23 to wipe off simultaneously.When 24 proximity transducers 25 of the sensing chip on the sample cup 22, stepper motor 20 stops operating, and the axial line of sample cup 22 just in time overlaps with the axial line of pressing sample pad 23, and rests on 0 degree position, waits for sub-sampling down.
Automatically sample presentation, sample preparation, test sample have been realized and have removed sample that the process above repeating just can be implemented in the automatic control of line analysis through above step.
Native system is a core with single-chip microcomputer (77E58), and same sensor, motor, PC, keyboard and LED show that constituting one overlaps complete system.Single-chip microcomputer communicates by RS232 serial ports and PC, after system starts working, the instruction that single-chip microcomputer sends according to PC drives corresponding motor (transmit motor 26, sample preparation motor 7, change sample motor (stepper motor) 20 and detector mobile motor 33) work, the position of sensor driven by motor device operation, send signal to single-chip microcomputer, and then the duty (rotate, stop, just changeing, reverse) of control motor, also adopt LED to represent the duty of each motor simultaneously, realize industrial on-line automatic analysis.Native system be+5V, ± 12V ,+work on the basis of 24V.Figure 11 is a control circuit block diagram of the present invention, and Figure 12～Figure 14 is a control circuit schematic diagram of the present invention.0 ° of sensor, 90 ° of sensors, 180 ° of sensors are respectively the driver U of CD4011 by model
2A, U
2B, U
2C and single-chip microcomputer U
16 pin, 7 pin, 8 pin connect, then by microcontroller bus and parallel interface U
6(82C55) connect, then respectively by driver U
9The duty of control step motor.Put pre-sensor, bottom set sensor, put left sensor, put right sensor respectively with single-chip microcomputer U
13 pin, 4 pin, 1 pin, 2 pin connect, then by single-chip microcomputer U
1Bus and parallel interface U
6Connect, respectively by driver U
11Control sample preparation motor and detector mobile motor duty.
What use was more in native system is motor and sensor, and motor has the motor 26 of transmission, sample preparation motor 7, changes sample motor (stepper motor) 20 and detector mobile motor 33; Sensor comprises 0 ° of sensor, 90 ° of sensors, 180 ° of sensors of determining sample position; Determine to press the top set sensor and the bottom set sensor of sample screw mandrel position; Determine the left sensor of putting of detector position and put right sensor.Wherein, what motor-driven adopted is the TLP521 chip, and what sensor drive adopted is the CD4011 chip.Describe from principle and the control with regard to co-ordination between single-chip microcomputer, motor, sensor, the three of the angle of motor below, the action of each part all relies on Single Chip Microcomputer (SCM) system to control realization by the program of having finished.
1, transmit motor
Transmit motor and be one low power, have reduction gear, have only the motor of a rotation direction, rotating speed is 60 rev/mins.In circuit, single-chip microcomputer transmits motor and is then driven by 220V interchange, the output current 20A of relay output by exterior I/O interface 8255 driving solid relay.Transmit the machine operation principle as shown in figure 15.
2, the sample preparation motor
The sample preparation motor is an alternating current generator that has reducing gear, and the about 15W of power can rotate and reverse under the control of single-chip microcomputer.Just changeing is to drive to press the sample screw mandrel to move down, and counter-rotating is to drive on the screw mandrel to move, and by pressing moving up and down of sample screw mandrel, can finish the sample preparation and the function of drawing a design.Screw mandrel presses sample to the bottom with rise to the top and locate position transducer is housed in system, and single-chip microcomputer is controlled by detecting these two position transducers.In the process of sample preparation, when the sensing chip 14 at screw mandrel 15 tops during near sensor 12, sensor 12 sends signal to single-chip microcomputer, and single-chip microcomputer is made a response immediately, sends instruction and makes sample preparation motor 7 stop operating; After the action of drawing a design is finished, on beginning, moves by screw mandrel, and when the sensing chip 14 at screw mandrel 15 tops during near sensor 13, sensor 13 sends signal to single-chip microcomputer, and single-chip microcomputer sends instruction makes sample preparation motor 7 stop operating.
3. change the sample motor
Changeing the sample motor is 5 phase step motors, and model is 90F006, and operating voltage is 30V, and phase current is 3A.Change the sample motor under the control of single-chip microcomputer, with five mutually ten modes of clapping work, can just change counter-rotating, sample can be forwarded on 0 °, 90 °, 180 ° the position.At 0 °, 90 °, three position transducers are housed respectively on 180 ° of positions, stepper motor whenever makes a move under the control of single-chip microcomputer and all will carry out position detection.When sample making becomes the sample cake, when screw mandrel is got back to reference position, single-chip microcomputer sends instruction and starts the stepper motor rotation, drive sample cup 22 (interior is the sample cake) rising and go to 90 degree positions, and during 24 proximity transducers 3 of the sensing chip on the sample cup 22, single-chip microcomputer just can stop motor-driven after receiving the signal that sensor 3 sends.The sample cake stops certain hour in this position and measures, when detector after measurement is finished to the sample cake, stepper motor drives sample cup and continues to rise to 180 ° of positions, top, sensor 11 herein sends signal to single-chip microcomputer, single-chip microcomputer stops step motor drive, sample preparation motor 7 starts, and screw mandrel 15 moves down, and finishes the action of drawing a design.Afterwards, stepper motor continues to rotate to 0 ° of position, and when 24 proximity transducers 25 of the sensing chip on the sample cup 22, stepper motor 20 stops operating, and rests on 0 ° of position.
4. detector mobile motor
Detector mobile motor 33 (being arranged in the mobile device 1 of figure) is a small-sized ac synchronous motor.Under the control of single-chip microcomputer, can rotate and reverse.Just changeing is detector to be moved to left carry out the measurement of standard model, and counter-rotating is detector to be moved to right carry out the measurement of testing sample.At detector place of moving to left and place, the right two position transducers are housed respectively, single-chip microcomputer drives this detector by the signal that detects these two sensors.
After the start, system reset presses the sample screw mandrel to be positioned at tip position, changes the sample motor and is positioned at 0 ° of position, and detector is positioned at the left side.As actuation of keys, judge key assignments.If self check, system will carry out according to sample presentation, sample preparation, test sample, the order of drawing a design, and whether check system can operate as normal; If the single step key, then above-mentioned each action is carried out in single step.Instruct when PC sends, single-chip microcomputer produces serial ports and interrupts, and enters interrupt routine and handles, and interrupts being finished, and returns master routine.Main program flow as shown in figure 15, the interrupt routine flow process is as shown in figure 16.
Claims (6)
1. online xrf analysis automatic sampling and festing system, it is characterized in that comprising base, place the column on the end Cuo, the support of feed funnel is arranged at the top, the mobile device of dress detector, the sample preparation motor is contained in the column top and its output shaft passes the column top, screw mandrel one end stretches into the column top and stretches out column top and its external part bottom with it after the threaded engagement pressure head is housed, screw mandrel is connected with the sample preparation motor by gear train, on the base with screw mandrel bottom ram opposite position on have and press the sample pad, be loaded on the pivot arm that is subjected to the stepper motor drive with the sample cup of pressing sample pad and pressure head to cooperate, with respect to feed funnel discharging opening place the conveyer that contains travelling belt that driven by driving motor is arranged in the support, the single-chip microcomputer of employing U is arranged in the described system
1Control the control device of each machine operation, control device comprises the top set sensor on the vertical rack that is contained in the column top, the bottom set sensor, be contained on the screw mandrel top with the top set sensor, the sensing chip that the bottom set sensor cooperates, be loaded on the sensing chip on the sample cup, be contained in 0 ° of sensor that the sensing chip with on the sample cup on the support cooperates respectively, 90 ° of sensors, 180 ° of sensors, be contained in the left sensor of putting on the mobile device respectively, put right sensor, be contained on the detector with put left sensor, put the sensing chip that right sensor cooperates, each sensor is respectively by driver and single-chip microcomputer U
1Connect or direct and single-chip microcomputer U
1Thereby connect the duty of controlling each motor.
2. online xrf analysis automatic sampling and festing system as claimed in claim 1 is characterized in that 0 ° of sensor, 90 ° of sensors, 180 ° of sensors are respectively by driver U
2A, U
2B, U
2C and single-chip microcomputer U
1Connect.
3. online xrf analysis automatic sampling and festing system as claimed in claim 1 is characterized in that top set sensor, bottom set sensor, puts left sensor, puts the direct respectively and single-chip microcomputer U of right sensor
1Connect.
4. as the described online xrf analysis automatic sampling and festing system of one of claim 1～3, it is characterized in that single-chip microcomputer U
1Be connected with computing machine by serial line interface.
5. as the described online xrf analysis automatic sampling and festing system of one of claim 1～3, it is characterized in that the slideway tangent with the driving belt turning point arranged on the support.
6. as the described online xrf analysis automatic sampling and festing system of one of claim 1～3, it is characterized in that having being connected with wire rod thread and being contained in screw mandrel locating sleeve on the column top.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200510022356 CN1793873B (en) | 2005-12-23 | 2005-12-23 | Automatic sampling and testing system of on-line X fluorescence analysis |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200510022356 CN1793873B (en) | 2005-12-23 | 2005-12-23 | Automatic sampling and testing system of on-line X fluorescence analysis |
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| CN1793873A CN1793873A (en) | 2006-06-28 |
| CN1793873B true CN1793873B (en) | 2010-04-28 |
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| CN 200510022356 Expired - Fee Related CN1793873B (en) | 2005-12-23 | 2005-12-23 | Automatic sampling and testing system of on-line X fluorescence analysis |
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Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103472081B (en) * | 2013-09-27 | 2016-03-30 | 四川新先达测控技术有限公司 | A kind of robotization energy translation analytical test platform |
| CN104007274B (en) * | 2014-06-04 | 2016-02-03 | 上海宏莘科技发展有限公司 | Folder off-type digital-code type fully-automatic intelligent sampler |
| CN104101527B (en) * | 2014-07-25 | 2017-03-29 | 安徽省一一通信息科技有限公司 | A kind of sample treatment of automaied sample processing system |
| CN104697828B (en) * | 2014-12-09 | 2017-09-29 | 温州大学 | Prepare different compactness hollow cylinder sand Sample devices |
| CN109709126B (en) * | 2019-02-21 | 2021-11-02 | 中国科学院合肥物质科学研究院 | Automatic detection device and method for heavy metals in water body by algae enrichment-X-ray fluorescence spectrum |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1274840A (en) * | 1999-05-21 | 2000-11-29 | 浙江工业大学 | Automatically loading small-force test equipment with elastic pressure head |
| CN2415360Y (en) * | 1999-11-12 | 2001-01-17 | 罗建文 | Automatic sample handling mechonism for ash fussion temp measurer |
| CN2504642Y (en) * | 2001-10-13 | 2002-08-07 | 中国烟草总公司郑州烟草研究院 | Auto-feeder |
| CN2618164Y (en) * | 2003-05-16 | 2004-05-26 | 成都理工大学 | Isotopic source transducer |
-
2005
- 2005-12-23 CN CN 200510022356 patent/CN1793873B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1274840A (en) * | 1999-05-21 | 2000-11-29 | 浙江工业大学 | Automatically loading small-force test equipment with elastic pressure head |
| CN2415360Y (en) * | 1999-11-12 | 2001-01-17 | 罗建文 | Automatic sample handling mechonism for ash fussion temp measurer |
| CN2504642Y (en) * | 2001-10-13 | 2002-08-07 | 中国烟草总公司郑州烟草研究院 | Auto-feeder |
| CN2618164Y (en) * | 2003-05-16 | 2004-05-26 | 成都理工大学 | Isotopic source transducer |
Non-Patent Citations (6)
| Title |
|---|
| 庹先国等.基于EDXRF精矿品位及水分在线分析系统.冶矿工程22 4.2002,22(4),41-43. |
| 庹先国等.基于EDXRF精矿品位及水分在线分析系统.冶矿工程22 4.2002,22(4),41-43. * |
| 庹先国等.皮带式铁精矿含量、水分测量系统.成都理工学院学报29 6.2002,29(6),660-664. |
| 庹先国等.皮带式铁精矿含量、水分测量系统.成都理工学院学报29 6.2002,29(6),660-664. * |
| 庹先国等.钛精矿品位在线检测系统的开发.金属矿山 10.2000,(10),27-29. |
| 庹先国等.钛精矿品位在线检测系统的开发.金属矿山 10.2000,(10),27-29. * |
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