CN102001040A - Wireless inclined angle measuring device for optical aspherical processing - Google Patents
Wireless inclined angle measuring device for optical aspherical processing Download PDFInfo
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- CN102001040A CN102001040A CN 201010515076 CN201010515076A CN102001040A CN 102001040 A CN102001040 A CN 102001040A CN 201010515076 CN201010515076 CN 201010515076 CN 201010515076 A CN201010515076 A CN 201010515076A CN 102001040 A CN102001040 A CN 102001040A
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- 238000013480 data collection Methods 0.000 abstract 1
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Abstract
一种用于光学非球面加工的无线倾角测量装置，涉及一种倾角测量装置。设有数据采集与发送端装置和无线接收端装置。所述数据采集与发送端装置设有双轴加速度传感器、无线模块芯片和天线电路，无线模块芯片的输入端接双轴加速度传感器的倾角采集数据输出端，天线电路的输入端接无线模块芯片的输出端，天线电路的输出端通过无线方式发送至无线接收端装置。所述无线接收端装置设有天线电路、无线模块芯片和串口管理芯片，天线电路的输入端接收数据采集与发送端装置发送来的数据，无线模块芯片输入端接天线电路的输出端，无线模块芯片的输出端通过串口管理芯片发送给控制平台。
The invention relates to a wireless inclination measuring device for optical aspheric surface processing, relating to an inclination measuring device. There are data collection and sending end devices and wireless receiving end devices. The data acquisition and sending end device is provided with a biaxial acceleration sensor, a wireless module chip and an antenna circuit, the input terminal of the wireless module chip is connected to the inclination acquisition data output terminal of the biaxial acceleration sensor, and the input terminal of the antenna circuit is connected to the wireless module chip. The output end, the output end of the antenna circuit is sent to the wireless receiving end device in a wireless manner. The wireless receiving end device is provided with an antenna circuit, a wireless module chip and a serial port management chip, the input end of the antenna circuit receives data collected and the data sent by the sending end device, the input end of the wireless module chip is connected to the output end of the antenna circuit, and the wireless module The output end of the chip is sent to the control platform through the serial port management chip.
Description
Technical field
The present invention relates to a kind of dip measuring device, especially relate to a kind of wireless tilt measurement mechanism that is used for optical aspherical surface in-process gaging rotary table gradient.
Background technology
For optical aspherical surface processing, especially off-axis aspheric surface grinding uses tiltable workbench to come clamping workpiece usually, by adjusting the workbench gradient, changes the gradient of workpiece machined surface, can reduce the grinding total amount, effectively improves working (machining) efficiency.In order to guarantee machining accuracy, need carry out real-time gradient measurement to workbench usually, realize the closed-loop control of processing.General electrolevel (is the Chinese patent " electrolevel " of CN1414342 as publication number) can not be realized transfer of data, can't be applied in the system of closed-loop control.Some level meter can carry out transfer of data by wired modes such as RS232 serial ports, but wire communication mode has brought certain restriction to Unit Installation, if installation is improper, then may influence the ultraprecise machining accuracy of optical element.
Summary of the invention
The object of the invention is the demand of rotary table being carried out closed-loop control in the optical aspherical surface processing to provide a kind of wireless tilt measurement mechanism that is used for optical aspherical surface processing.
The present invention is provided with data acquisition and transmitting terminal device and wireless receiving end device.
Described data acquisition and transmitting terminal device are provided with double-axel acceleration sensor, wireless module chip and antenna circuit, the inclination angle image data output of the input termination double-axel acceleration sensor of wireless module chip, the output of the input termination wireless module chip of antenna circuit, the output of antenna circuit is sent to the wireless receiving end device by wireless mode.
Described wireless receiving end device is provided with antenna circuit, wireless module chip and serial interface management chip, the input reception data acquisition of antenna circuit and the data that the transmitting terminal device sends, the output of wireless module chip input termination antenna circuit, the output of wireless module chip sends to the control platform by the serial interface management chip.
Described control platform can be PC or relevant numerical control device etc.
Described data acquisition and transmitting terminal device are installed on the rotary table, data acquisition and transmitting terminal device are used to gather and calculate the top rake of working as of rotation platform, send to the wireless receiving end device by wireless mode then, described collection is by the double-axel acceleration sensor collection; The wireless module chip is as the central control unit of data acquisition and transmitting terminal device, it reads the data that double-axel acceleration sensor is gathered, calculate the current angle of inclination of sensor then, the output termination antenna circuit of wireless module chip sends to the wireless receiving end device by wireless mode.
The wireless receiving end device is used to receive the data that send over from data acquisition and transmitting terminal device, and data are sent to PC or relevant numerical control device by the serial interface management chip, makes control system to realize closed-loop control to rotary table.
The present invention has following outstanding advantage:
1) volume is little.Data acquisition and transmitting terminal device have adopted double-axel acceleration sensor and wireless module chip, make the apparatus structure compactness, and volume is small and exquisite.
2) flexible for installation.The present invention adopts wireless communication mode, has overcome the inconvenience that wiring brings in the installation process, and is easy for installation, flexible.
3) need not wiring, realize real-time measurement and wireless data transmission rotary table.
Description of drawings
Fig. 1 is the structure composition frame chart of the embodiment of the invention.
Fig. 2 is the operation principle schematic diagram of the embodiment of the invention.
Fig. 3 is the data acquisition of the embodiment of the invention and the circuit block diagram of transmitting terminal device.
Fig. 4 is the circuit block diagram of wireless receiving end device in the embodiment of the invention.
Below provide the code name of each the main accessory among Fig. 1,2:
1 data acquisition and transmitting terminal device, 2 double-axel acceleration sensors, 3 wireless module chips, 4 antenna circuits, 5 wireless receiving end devices, 6 antenna circuits, 7 wireless module chips, 8 serial interface management chips, 9 rotary tables, 10PC machine, 11 numerical control devices.
The specific embodiment
Below in conjunction with accompanying drawing technical scheme of the present invention is further elaborated.
Referring to Fig. 1, whole wireless tilt measurement mechanism comprises two parts: data acquisition and transmitting terminal device 1 and wireless receiving end device 5.Wherein, data acquisition and transmitting terminal device 1 are provided with double-axel acceleration sensor 2, wireless module chip 3, antenna circuit 4; Wireless receiving end device 5 is provided with wireless module chip 7, antenna circuit 6 and serial interface management chip 8.
Referring to Fig. 2, data acquisition and transmitting terminal device 1 are installed on the rotary table 9, and rotary table 9 can be rotated around axle, thereby change the inclination angle of work top.Measure two axial acceleration by double-axel acceleration sensor, calculate the top rake of working as of rotary table 9, send to wireless receiving end device 5 by wireless mode then.After wireless receiving end device 5 receives data, send to PC 10 or relevant numerical control device 11, make control system to realize closed-loop control rotary table 9 by the RS232 serial ports.
1 data acquisition and transmitting terminal device, 2 double-axel acceleration sensors, 3 wireless module chips, 4 antenna circuits, 5 wireless receiving end devices, 6 antenna circuits, 7 wireless module chips, 8 serial interface management chips, 9 rotary tables, 10PC machine, 11 numerical control devices.
Referring to Fig. 3, primary structure comprises double-axel acceleration sensor 2, wireless module chip 3 and antenna circuit 4.Double-axel acceleration sensor 2 adopts the ADXL202 chip of ADI companies, and the numeral output of ADXL202 chip is the pulse duty cycle modulation signal, the dutycycle ratio of period T 2 (the high level lasting time T1 with) be directly proportional by measuring acceleration.Acceleration can be tried to achieve by formula: A=(T1/T2-0.5)/0.125.Can obtain actual angle of inclination on the sensor measurement direction according to geometrical relationship then.Wireless module chip 3 adopts MC13213, and this chip is as the CPU of data acquisition and transmitting terminal device, and on the one hand, it is responsible for regularly reading XOUT and the YOUT port of ADXL202, obtains accekeration, calculates gradient then; On the other hand, it in real time sends to wireless receiving end device with the data of gathering by wireless mode based on the IEEE802.15.4 home control network communication protocol.
Referring to Fig. 4, it comprises wireless module chip (ADXL20 type) 7, serial interface management chip (MC13213 type) 8 and antenna circuit 6.ADXL20 receives the inclined angle of table degrees of data of data acquisition and the transmission of transmitting terminal device based on the IEEE802.15.4 home control network communication protocol, on the PC or numerical control device that RS232 serial ports be housed of serial interface management chip (MC13213 type) 8 that is attached thereto with the data transmission, realize the real-time Transmission of rotary table gradient data, the final control platform that makes is realized closed-loop control to rotary table.
Claims (3)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010515076 CN102001040A (en) | 2010-10-21 | 2010-10-21 | Wireless inclined angle measuring device for optical aspherical processing |
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| Application Number | Priority Date | Filing Date | Title |
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| CN 201010515076 CN102001040A (en) | 2010-10-21 | 2010-10-21 | Wireless inclined angle measuring device for optical aspherical processing |
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| CN102001040A true CN102001040A (en) | 2011-04-06 |
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Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001038588A (en) * | 1999-08-03 | 2001-02-13 | Nippei Toyama Corp | Method and device for grinding work |
| CN1414342A (en) * | 2002-08-30 | 2003-04-30 | 天津大学 | Electronic levelling instrument |
| CN1490125A (en) * | 2003-08-22 | 2004-04-21 | 中国人民解放军国防科学技术大学 | Composite processing and testing machine tools for aspheric optical parts |
| CN1554514A (en) * | 2003-12-26 | 2004-12-15 | 中国科学院国家天文台南京天文光学技 | Method for Grinding Aspheric Optical Mirror Using Active Pressure Polishing Disc |
| CN101101202A (en) * | 2007-07-20 | 2008-01-09 | 上海理工大学 | Method and device for measuring dynamic inclination of object |
| US20080030876A1 (en) * | 2003-09-30 | 2008-02-07 | Hidenao Kataoka | Mold for Optical Components |
| CN201062949Y (en) * | 2007-07-20 | 2008-05-21 | 上海理工大学 | Apparatus for measuring object dynamic obliquity |
| CN101380725A (en) * | 2007-09-04 | 2009-03-11 | 株式会社Idh | Stainless steel coil surface processing device |
-
2010
- 2010-10-21 CN CN 201010515076 patent/CN102001040A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001038588A (en) * | 1999-08-03 | 2001-02-13 | Nippei Toyama Corp | Method and device for grinding work |
| CN1414342A (en) * | 2002-08-30 | 2003-04-30 | 天津大学 | Electronic levelling instrument |
| CN1490125A (en) * | 2003-08-22 | 2004-04-21 | 中国人民解放军国防科学技术大学 | Composite processing and testing machine tools for aspheric optical parts |
| US20080030876A1 (en) * | 2003-09-30 | 2008-02-07 | Hidenao Kataoka | Mold for Optical Components |
| CN1554514A (en) * | 2003-12-26 | 2004-12-15 | 中国科学院国家天文台南京天文光学技 | Method for Grinding Aspheric Optical Mirror Using Active Pressure Polishing Disc |
| CN101101202A (en) * | 2007-07-20 | 2008-01-09 | 上海理工大学 | Method and device for measuring dynamic inclination of object |
| CN201062949Y (en) * | 2007-07-20 | 2008-05-21 | 上海理工大学 | Apparatus for measuring object dynamic obliquity |
| CN101380725A (en) * | 2007-09-04 | 2009-03-11 | 株式会社Idh | Stainless steel coil surface processing device |
Non-Patent Citations (2)
| Title |
|---|
| 《2009海峡两岸机械科技论坛论文集》 20091231 郭隐彪，王振忠 微小型非球面超精密加工技术分析 , 2 * |
| 《光学精密工程》 20060630 郭隐彪 等 高精度非球面加工双轴动平衡监控技术研究 434-438 第14卷, 第3期 2 * |
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Application publication date: 20110406 |