CN202453291U - Automatic regulating device for atomizer height - Google Patents
Automatic regulating device for atomizer height Download PDFInfo
- Publication number
- CN202453291U CN202453291U CN2012200080411U CN201220008041U CN202453291U CN 202453291 U CN202453291 U CN 202453291U CN 2012200080411 U CN2012200080411 U CN 2012200080411U CN 201220008041 U CN201220008041 U CN 201220008041U CN 202453291 U CN202453291 U CN 202453291U
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- CN
- China
- Prior art keywords
- height
- transmission shaft
- atomizer
- base plate
- regulating device
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- 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 provides an automatic regulating device for atomizer height, a stepping motor which is used for height regulation is fixed on the lower portion of a base plate of the automatic regulating device, a fixing shaft sleeve is fixed on the upper portion of the base plate, an output shaft of the steeping motor penetrates through the base plate and is connected with a transmission shaft, the transmission shaft is in threaded fit with a transmission shaft sleeve, the rotating movement of the transmission shaft is turned into up-down straight line movement of the transmission shaft inside the fixing shaft sleeve, a height indicator is arranged on one side of the outer periphery of the transmission shaft sleeve and is matched with an altitude scale arranged on the fixing shaft sleeve so as to indicate the height, and the stepping motor is connected with a control system in an atomic fluorescence spectrophotometer. The device has the advantages that detection mistakes caused by forgetting errors of operators are avoided and the control accuracy of the atomizer height regulation is improved. An output shaft of each of pulse driving motors of stepping motors rotates at an angle of 1.8 degrees and is divided into 200 equal parts when the output shaft rotates for a circle, the accuracy is higher than the accuracy of manual control, and the height control accuracy of the whole device is improved in multiples.
Description
Technical field
The utility model relates to a kind of self-checking device of chemical analysis instrument, particularly a kind of highly automated regulating device of atomizer that is applied in the atomic fluorescence spectrophotometer.
Background technology
Atomic fluorescence spectrometry (AFS) is a kind of good trace level analytical approach that is used for the measuring samples constituent content; Its analysis principle is: atom is got back to the atomic fluorescence that low-energy state or ground state can be sent from the high-energy state that is excited, and measures the content of object element through the intensity that detects atomic fluorescence.The method has the advantage of atomic absorption and two kinds of technology of atomic emission spectrum; Overcome the unfavorable factor of above two kinds of technology simultaneously; And that this kind method has is highly sensitive, disturb less, the range of linearity is wide and can the simultaneously-measured advantage of multielement, so be widely used in various industries such as environmental protection, food hygiene, medicine, agricultural and geologic prospecting.
The principle of work of atomic fluorescence spectrophotometer is; Utilize chemical method to make tested element generation chemical reaction generate hydride; Through lighting formation flame, utilize light source activation to contain the flame of tested element through the atomizer outlet, tested element obtains to produce atomic fluorescence behind the energy jump; Through measuring the intensity of atomic fluorescence, draw tested constituent content through analytical calculation.Suitable strength excites the position different because the flame height that different elements produce is different, then need regulate to reach optimum efficiency the relative altitude position of atomizer and excitation source.In the prior art, it generally all is artificial the realization that the height of atomizer is regulated, and changes its height through the threaded screw rod of regulating on the atomizer base, and the manual observation altitude scale is confirmed the height and position of atomizer.The drawback of this manual shift atomizer height is: 1. degree of regulation is not high, relies on operating personnel to estimate altitude scale and confirms height and position; 2. possible maloperation causes the detection error in data, if operating personnel have forgotten adjusting atomizer height, the position that excites of the flame height of atomizer and light source does not match, and then causes the error in data of detection.
Summary of the invention
For having solved the deficiency that exists in the above-mentioned technology; The utility model provides a kind of atomizer highly automated regulating device; Utilizing the motor-driven transmission shaft to drive atomizer goes up and down to realize highly to regulate; Utilize the light source automatic recognition system in the atomic fluorescence spectrophotometer software; Automatically regulate the atomizer height and arrive the predetermined reasonable altitudes that matees with the identification light source, avoided manually-operated to forget the prohibited data detection that the error of adjusting causes, more improved precision and accuracy that the atomizer height is regulated.
For realizing above-mentioned purpose; The technical scheme that the utility model adopts provides the highly automated regulating device of a kind of atomizer; This self-checking device is arranged on the main frame inner optical system bottom of atomic fluorescence spectrophotometer, is connected with the control system of atomic fluorescence spectrophotometer, and wherein: this self-checking device includes base plate, stepper motor, fixed hub, transmission shaft, driving sleeve, travel switch, height pointer, altitude scale; Be fixed with the stepper motor of highly regulating usefulness in the bottom of said base plate; Top at base plate is fixed with fixed hub, and the output shaft of stepper motor passes base plate and is connected with transmission shaft, with the transmission shaft threads engaged driving sleeve is arranged; Rotatablely moving of transmission shaft changes the up and down rectilinear motion of driving sleeve in fixed hub into; Be provided with the height pointer in a side of driving sleeve periphery, the height pointer cooperates demonstration highly with altitude scale on being located at fixed hub, and stepper motor is connected with control system in the atomic fluorescence spectrophotometer.
The upper end of said altitude scale is provided with optoelectronic switch, and the lower end of altitude scale is provided with travel switch, and said optoelectronic switch and travel switch are connected with control system respectively.
The beneficial effect of the utility model is to have avoided operating personnel to forget the faults that error causes; And improved the control accuracy that the atomizer height is regulated.Stepper motor is by control system pulsed drive work to be provided; Each pulsed drive motor output shaft rotates 1.8 ° of angles; Rotate a circle like this 360 ° and then be divided into 200 pulsed drive; Soon the stepper motor output shaft whenever rotates a circle and has been subdivided into 200 five equilibriums, and such control accuracy is far longer than control manually, and whole height of devices control accuracy is significantly improved.
Description of drawings
Fig. 1 is the highly automated regulating device structural representation of the atomizer of the utility model.
Among the figure:
1, stepper motor 2, base plate 3, transmission shaft 4, driving sleeve
5, fixed hub 6, optoelectronic switch 7, altitude scale 8, height pointer
9, travel switch 10, control system 11, flame 12, atomizer
Embodiment
In conjunction with accompanying drawing the structure of the highly automated regulating device of atomizer of the utility model is explained.
The Principles of Regulation of the highly automated regulating device of atomizer of the utility model: behind the instrument start operation software; Software reads the excitation source type automatically; According to the light source of selecting, software systems provide the preset value of height and position, and stepper motor moves according to software command; The motor-driven transmission shaft rotates, and drives the atomizer that is installed on the drive sleeve and runs to and corresponding preset height position, 0 position, altitude scale top and locking.
The highly automated regulating device structure of the atomizer of the utility model is; This self-checking device is arranged on the main frame inner optical system bottom of atomic fluorescence spectrophotometer; Be connected with the control system 10 of atomic fluorescence spectrophotometer; This self-checking device includes base plate 2, stepper motor 1, fixed hub 5, transmission shaft 3, driving sleeve 4, travel switch 9, height pointer 8, scale 7, is fixed with the stepper motor 1 of highly regulating usefulness in the bottom of said base plate 2, is fixed with fixed hub 5 on the top of base plate 2; The output shaft of stepper motor 1 passes base plate 2 and is connected with transmission shaft 3; With driving sleeve 4 threads engaged driving sleeve 3 is arranged, rotatablely moving of transmission shaft 3 changes the up and down rectilinear motion of driving sleeve 4 in fixed hub 5 into, is provided with height pointer 8 in driving sleeve 4 outsides; Height pointer 8 moves up and down with driving sleeve, cooperates the height number of tracer atom device directly perceived with altitude scale 7 on being located at fixed hub.Rely on the screw thread transmission that is provided with on transmission shaft 3 and the driving sleeve 4 to change rotatablely moving of driving sleeve 4 the up and down rectilinear motion of transmission shaft 3 in fixed hub 5 into, realization is installed in the height of the atomizer 12 on driving sleeve 4 tops and regulates.Driving sleeve 4 up and down during the vertical line motion, drives stroke pointer 8 and moves up and down in fixed hub 5, through altitude scale 7 height and position of flame 11 on the atomizer 12 directly perceived.
The upper end of said altitude scale 7 is provided with zero-bit switch 6, and the lower end of altitude scale 7 is provided with travel switch 9, and said zero-bit switch 6 and travel switch 9 are connected with control system 10 respectively.
As shown in Figure 1; The highly automated regulating device of the atomizer of the utility model is by control system 10 drive stepping motor 1; Stepper motor 1 output shaft passes base plate 2 and connects transmission shaft 3, drives driving sleeve 4 vertical movement in fixed hub 5, realizes that the height and position of atomizer is regulated.The height and position of flame 11 is confirmed initial 0 by the optoelectronic switch 6 of altitude scale 7 upper ends on the atomizer 12; The control system 10 of atomic fluorescence spectrophotometer is according to detected light source classification; Automatically go out corner according to the optimum height position calculation with respect to 0; Send instruction and give stepper motor 1, stepper motor 1 rotates according to the instruction operation output shaft, drives driving sleeve 4 through transmission shaft 3; Drive atomizer 12 and move to the relevant position, position numerical value can intuitively show through altitude scale 7 and height pointer 8.Position, the end limit switch that travel switch 9 is highly controlled as this device plays a protective role to this device, in case the stepper motor 1 height pointer 7 that makes out of control contacts travel switch 9, then stepper motor 1 outage stop motion protects this device not to be damaged.
The highly automated regulating device of the atomizer of the utility model can realize the highly automated adjusting of atomizer, and its height and position is accomplished by control system automatically, when having avoided manually-operated owing to forget the faults that causes.In addition; Because stepper motor is the pulsed drive work of leaning on, each pulsed drive motor output shaft rotates 1.8 ° of angles, and rotating a circle like this 360 ° then has been divided into 200 pulsed drive; Its control accuracy is far longer than control manually, and whole height of devices control accuracy is improved greatly.
Claims (2)
1. highly automated regulating device of atomizer; This self-checking device is connected with the atomic fluorescence spectrophotometer that contains control system; It is characterized in that: this self-checking device includes base plate (2), stepper motor (1), fixed hub (5), transmission shaft (3), driving sleeve (4), travel switch (9), height pointer (8), altitude scale (7); Be fixed with the stepper motor (1) of highly regulating usefulness in the bottom of said base plate (2); Be fixed with fixed hub (5) on the top of base plate (2), the output shaft of stepper motor (1) passes base plate (2) and is connected with transmission shaft (3), with transmission shaft (3) threads engaged driving sleeve (4) is arranged; Rotatablely moving of transmission shaft (3) changes the up and down rectilinear motion of driving sleeve (4) in fixed hub (5) into; Be provided with height pointer (8) in a side of driving sleeve (4) periphery, height pointer (8) indication is located at the numerical value of the altitude scale (7) on the fixed hub (5), and stepper motor (1) is connected with power lead through signal wire with control system (10) in the atomic fluorescence spectrophotometer.
2. the highly automated regulating device of atomizer according to claim 1; It is characterized in that: the upper end of said altitude scale (7) is provided with optoelectronic switch (6); The lower end of altitude scale (7) is provided with travel switch (9), and said optoelectronic switch (6) and travel switch (9) are connected with control system (10) respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012200080411U CN202453291U (en) | 2012-01-10 | 2012-01-10 | Automatic regulating device for atomizer height |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012200080411U CN202453291U (en) | 2012-01-10 | 2012-01-10 | Automatic regulating device for atomizer height |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202453291U true CN202453291U (en) | 2012-09-26 |
Family
ID=46869146
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012200080411U Expired - Lifetime CN202453291U (en) | 2012-01-10 | 2012-01-10 | Automatic regulating device for atomizer height |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202453291U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103913224A (en) * | 2013-01-06 | 2014-07-09 | 北京瑞利分析仪器有限公司 | Multi-dimensional adjusting mechanism for atomizer of portable atomic absorption spectrometer |
| CN108072644A (en) * | 2017-12-26 | 2018-05-25 | 浙江福立分析仪器股份有限公司 | A kind of device and method for automatically adjusting atomic fluorescence spectrometer atomizer height |
| CN110832303A (en) * | 2017-07-10 | 2020-02-21 | 株式会社岛津制作所 | Flame atomic absorption spectrophotometer |
| CN110887788A (en) * | 2019-12-19 | 2020-03-17 | 中国科学院长春光学精密机械与物理研究所 | Spectrometer lifting device for vacuum test |
| CN110949084A (en) * | 2019-12-06 | 2020-04-03 | 珠海格力电器股份有限公司 | Height detection structure, assembling method, vehicle suspension system and vehicle |
-
2012
- 2012-01-10 CN CN2012200080411U patent/CN202453291U/en not_active Expired - Lifetime
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103913224A (en) * | 2013-01-06 | 2014-07-09 | 北京瑞利分析仪器有限公司 | Multi-dimensional adjusting mechanism for atomizer of portable atomic absorption spectrometer |
| CN103913224B (en) * | 2013-01-06 | 2016-06-22 | 北京瑞利分析仪器有限公司 | The atomizer multidimensional governor motion of portable Atomic Absorption Spectrometer |
| CN110832303A (en) * | 2017-07-10 | 2020-02-21 | 株式会社岛津制作所 | Flame atomic absorption spectrophotometer |
| CN108072644A (en) * | 2017-12-26 | 2018-05-25 | 浙江福立分析仪器股份有限公司 | A kind of device and method for automatically adjusting atomic fluorescence spectrometer atomizer height |
| CN110949084A (en) * | 2019-12-06 | 2020-04-03 | 珠海格力电器股份有限公司 | Height detection structure, assembling method, vehicle suspension system and vehicle |
| CN110949084B (en) * | 2019-12-06 | 2024-01-30 | 珠海格力电器股份有限公司 | Height detection structure, assembly method, vehicle suspension system and vehicle |
| CN110887788A (en) * | 2019-12-19 | 2020-03-17 | 中国科学院长春光学精密机械与物理研究所 | Spectrometer lifting device for vacuum test |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 300384 Tianjin Nankai District Huayuan Industrial Park Xinmao science and Technology Park G block EF unit two layer. Patentee after: East Polytron Technologies Inc of Tianjin port Address before: 300384 Tianjin Nankai District Huayuan Industrial Park Xinmao science and Technology Park G block EF unit two layer. Patentee before: Tianjin Gangdong Technology Development Co., Ltd. |
|
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20120926 |