CN202793312U - Digital double-shaft angular displacement sensor - Google Patents
Digital double-shaft angular displacement sensor Download PDFInfo
- Publication number
- CN202793312U CN202793312U CN 201220455557 CN201220455557U CN202793312U CN 202793312 U CN202793312 U CN 202793312U CN 201220455557 CN201220455557 CN 201220455557 CN 201220455557 U CN201220455557 U CN 201220455557U CN 202793312 U CN202793312 U CN 202793312U
- Authority
- CN
- China
- Prior art keywords
- port
- resistance
- input
- microprocessor
- sensor
- Prior art date
- 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 - Fee Related
Links
Images
Abstract
A digital double-shaft angular displacement sensor comprises a double-shaft acceleration sensor, a signal processing circuit, an analog/digital (A/D) conversion module, a microprocessor and a temperature sensor. The double-shaft acceleration sensor senses component changing of gravitational acceleration of a part to be tested; and the signal processing circuit, the A/D conversion module, the microprocessor and the temperature sensor are combined to transmit the corrected double-shaft angular displacement value to an upper computer through a signal conversion interface to be displayed. The temperature sensor is used for monitoring temperature changing in real time to perform temperature self compensation, and therefore the shortcoming that sensor accuracy is greatly influenced by environment temperature is overcome. The microprocessor reduces influence of vibration impact by aid of the digital filtering algorithm, and accordingly is strong in vibration interference resistance. The signal conversion interface can be connected into other devices to be matched with other devices in work and is good in expansibility. The upper computer can set output frequency through communication instructions, and accordingly improves sensor applicability; and simultaneously the upper computer controls angle calibration through the communication instructions fast and conveniently.
Description
Technical field
The utility model relates to a kind of sensor, is specifically related to a kind of digital twin shaft angular displacement sensor.
Background technology
Along with the progress of China's science and technology, engineering field improves constantly the requirement of equipment installation level, and the part instrument also requires to access accurately angular displacement simultaneously.Under such requirement background, domestic transducer market needs a kind of high resolving power, low-power consumption, fast response time, strong adaptability, angular displacement sensor that cost is low.
At present, that the sensor of measuring the twin shaft angular displacement remains is complicated in the demarcation mode, working environment is required height, can not adjust according to follow-up system the shortcoming of output parameter.
Summary of the invention
The deficiency that exists in order to overcome above-mentioned prior art, the purpose of this utility model is to provide a kind of digital twin shaft angular displacement sensor, a kind of digital transducer with twin shaft acceleration chip manufacturing, can the angular displacement of measuring equipment between X-axis, Y direction and surface level.
For solving the problems of the technologies described above, the utility model adopts following technical scheme:
A kind of digital twin shaft angular displacement sensor, comprise double-axel acceleration sensor 3, the first aanalogvoltage output port 9 of double-axel acceleration sensor 3 is connected with the second input port 12 with the first input end mouth 11 of signal conditioning circuit 4 respectively with the second aanalogvoltage output port 10; The first output port 13 of signal conditioning circuit 4 and the first input end 15 of A/D modular converter 5 are connected, the second output port 14 of signal conditioning circuit 4 and the second input end 16 of A/D modular converter 5 are connected, the clock line input and output I/O port 20 of the input end of clock mouth 18 of A/D modular converter 5 and microprocessor 6 is connected, the data line input and output I/O port one 9 of the data line communication port 17 of A/D modular converter 5 and microprocessor 6 is connected, the transmission output port 21 of microprocessor 6 is connected with the reception input port 23 of signal translation interface 7, the reception input port 22 of microprocessor 6 is connected with the transmission output port 24 of signal translation interface 7, the temperature survey input and output I/O port 30 of little processing 6 and the data line communication port 29 of temperature sensor 2 are connected, the transmission output port 25 of signal translation interface 7 is connected with the reception input port 27 of host computer 8, and the reception input port 26 of signal translation interface 7 is connected with the transmission input port 28 of host computer 8; The power input of temperature sensor 2, double-axel acceleration sensor 3, A/D modular converter 5, microprocessor 6 and signal translation interface 7 is connected with power module 1.
Described signal conditioning circuit 4 comprises first input end mouth 11 and the second input port 12, one end of first input end mouth 11 and resistance R 1 is electrically connected, the other end of resistance R 1, the anodal incoming end of the resistance R 2 that is connected in parallel and an end of capacitor C 1 and the first voltage follower 31 is electrically connected, the resistance R 2 that is connected in parallel and the other end ground connection of capacitor C 1, the negative pole incoming end of the first voltage follower 31, the first output port 13 of the output terminal of the first voltage follower 31 and signal conditioning circuit 4 is electrically connected, the second input port 12 of signal conditioning circuit 4 and an end of resistance R 3 are electrically connected, the other end of resistance R 3, the anodal incoming end of the resistance R 4 that is connected in parallel and an end of capacitor C 2 and second voltage follower 32 is electrically connected, the resistance R 4 that is connected in parallel and the other end ground connection of capacitor C 2, the negative pole incoming end of second voltage follower 32, the second output port 14 of the output terminal of second voltage follower 32 and signal conditioning circuit 4 is electrically connected, wherein resistance R 1, resistance R 2 and capacitor C 1 connect to form a RC circuit, wherein resistance R 3, resistance R 4 and capacitor C 2 connect to form the 2nd RC circuit.
Described microprocessor 6 comprises digital filtering module and temperature compensation module.
What described double-axel acceleration sensor 3 adopted is microelectronic chip.
The component size of the measured piece acceleration of gravity that the utility model is sensed by double-axel acceleration sensor changes and by signal conditioning circuit, A/D modular converter, microprocessor and in conjunction with temperature sensor, at last the twin shaft value of angular displacement of revised measured piece is transported to host computer by the signal translation interface and shows.Because what double-axel acceleration sensor adopted is microelectronic chip, have highly sensitive and the high advantage of measuring accuracy; By the variation of temperature sensor Real-Time Monitoring temperature, and temperature signal is sent to the auto-compensation that carries out temperature in the microprocessor, thereby avoided the sensor shortcoming that causes low precision influenced by environmental temperature; Microprocessor utilizes digital filtering algorithm, has effectively reduced the impact of vibratory impulse in the measuring process, and vibration and interference resistance is strong; Adopt the signal translation interface, the equipment that can be accessed by other comes cooperating, favorable expandability; Host computer can carry out to microprocessor the setting of output frequency by communications command, to satisfy the requirement of follow-up system, has improved the sensor applicability, and simultaneously host computer also can be by the angle calibration of communications command to the sensor angular displacement, and is more convenient; Used parts are assembled by little encapsulation low power dissipation electron device in addition, and volume is little, low in energy consumption.
Description of drawings
Fig. 1 is each parts connection diagram of the present utility model.
Fig. 2 is inside the one RC circuit of signal conditioning circuit 4 of the present utility model and the wiring diagram of the first voltage follower.
Fig. 3 is inside the 2nd RC circuit of signal conditioning circuit 4 of the present utility model and the wiring diagram of second voltage follower.
Embodiment
Below in conjunction with accompanying drawing the technical solution of the utility model is further described.
Such as Fig. 1, Fig. 2, shown in Figure 3, a kind of digital twin shaft angular displacement sensor of the utility model, comprise double-axel acceleration sensor 3, the first aanalogvoltage output port 9 of double-axel acceleration sensor 3 is connected with the second input port 12 by the first input end mouth 11 of the communications cable and signal conditioning circuit 4 respectively with the second aanalogvoltage output port 10; The structure of signal conditioning circuit 4 is that an end of its first input end mouth 11 and resistance R 1 is electrically connected, the other end of resistance R 1, the anodal incoming end of the resistance R 2 that is connected in parallel and an end of capacitor C 1 and the first voltage follower 31 is electrically connected by cable, the resistance R 2 that is connected in parallel and the other end ground connection of capacitor C 1, the negative pole incoming end of the first voltage follower 31, the first output port 13 of the output terminal of the first voltage follower 31 and signal conditioning circuit 4 is electrically connected by cable, the second input port 12 of signal conditioning circuit 2 and an end of resistance R 3 are electrically connected, the other end of resistance R 3, the anodal incoming end of the resistance R 4 that is connected in parallel and an end of capacitor C 2 and second voltage follower 32 is electrically connected by cable, the resistance R 4 that is connected in parallel and the other end ground connection of capacitor C 2, the negative pole incoming end of second voltage follower 32, the second output port 14 of the output terminal of second voltage follower 32 and signal conditioning circuit 4 is electrically connected by cable, and wherein resistance R 1, resistance R 2 and capacitor C 1 connect to form a RC circuit, wherein resistance R 3, resistance R 4 and capacitor C 2 connect to form the 2nd RC circuit; The first output port 13 of signal conditioning circuit 4 and the first input end of A/D modular converter 5 15 are connected by telecommunication cable, the second input end 16 of the second output port 14 of signal conditioning circuit 4 and A/D modular converter 5 is connected by telecommunication cable, the clock line input and output I/O port 20 of the input end of clock mouth 18 of A/D modular converter 5 and microprocessor 6 is connected by telecommunication cable, the data line input and output I/O port one 9 of the data line communication port 17 of A/D modular converter 5 and microprocessor 6 is connected by telecommunication cable, microprocessor 6 comprises digital filtering module and temperature compensation module, the transmission output port 21 of microprocessor 6 and the reception input port of signal translation interface 7 23 are connected by telecommunication cable, the reception input port 22 of microprocessor 6 and the transmission output port of signal translation interface 7 24 are connected by telecommunication cable, the temperature survey input and output I/O port 30 of little processing 6 and the data line communication port of temperature sensor 2 29 are connected by telecommunication cable, the transmission output port 25 of signal translation interface 7 and the reception input port of host computer 8 27 are connected by telecommunication cable, and the reception input port 26 of signal translation interface 7 and the transmission input port of host computer 8 28 are connected by telecommunication cable; The power input of temperature sensor 2, double-axel acceleration sensor 3, A/D modular converter 5, microprocessor 6 and signal translation interface 7 is connected with power module 1 by power cable.
Principle of work of the present utility model is: by should digital twin shaft angular displacement sensor fixed in position on measured piece and plugged module 1, energising Acceleration of starting degree sensor 3, A/D modular converter 5, microprocessor 6 and signal translation interface 7, when measured piece generation angle tilts, the component size of double-axel acceleration sensor 3 induction earth acceleration of gravity on its measurement axle, and convert the two-way acceleration signal to first input end mouth 11 and the second input port 12 that first aanalogvoltage output port 9 and the second aanalogvoltage output port 10 of two-way acceleration simulation voltage signal by double-axel acceleration sensor 3 outputs to respectively signal conditioning circuit 4, this two-way acceleration simulation voltage signal passes through respectively a RC circuit and first voltage follower 31 of signal conditioning circuit separately, after the processing of the dividing potential drop of the 2nd RC circuit and second voltage follower 32 and filtering and raising input impedance, two-way acceleration simulation voltage signal after will processing again respectively the first output port 13 by signal conditioning circuit and the second output port 14 be transported to the first input end 15 of A/D modular converter 5 and and the second input end 16, after A/D modular converter 5 carries out the high resolving power sampling with the two-way acceleration simulation voltage signal that sends, digital filtering module by microprocessor 6 is handled the sequential control instruction that clock line input and output I/O port 20 sends to the input end of clock mouth 18 of A/D modular converter 5, the high resolving power sampled result is come regularly to be sent to through the data line communication port 17 of A/D modular converter 5 the data line input and output I/O port one 9 of microprocessor 6 according to the sequential control instruction of the digital filtering module of microprocessor 6, digital filtering module adopts the infinite impulse response filter algorithm that this high resolving power sampled result is carried out the filtering processing and is converted into corresponding current angle value according to certain relational expression in the microprocessor 6, simultaneous temperature sensor 2 collects ambient temperature and is delivered to this temperature signal in the temperature survey input and output I/O port 30 of microprocessor 6 by its data line communication port 29, the temperature compensation module of microprocessor converses current temperature modified value through certain relational expression, current value of angular displacement is carried out calculating actual angle of inclination value after the temperature compensation, microprocessor 6 is transported to host computer 8 with the angle of inclination value of reality by signal translation interface 7 and shows, host computer 8 also can arrange the output frequency of microprocessor 6 by signal translation interface 7 and to the angle calibration of sensor angular displacement.Because what acceleration transducer 3 adopted is microelectronic chip, has highly sensitive and the high advantage of measuring accuracy; Be delivered to the automatic compensation function that temperature compensation module in the microprocessor 6 realizes temperature by the variation of temperature sensor 2 Real-Time Monitoring temperature and with its temperature signal, the energy adaptive temperature changes and regulates, and has avoided shortcoming influenced by environmental temperature and that measuring accuracy is lower; Microprocessor 6 utilizes digital filtering algorithm, has effectively reduced the impact of vibratory impulse in the measuring process, and vibration and interference resistance is strong; Adopt signal translation interface 7, the equipment that can be accessed by other comes cooperating, favorable expandability; Used parts are assembled by little encapsulation low power dissipation electron device in addition, and volume is little, low in energy consumption.
Claims (4)
1. digital twin shaft angular displacement sensor, it is characterized in that: comprise double-axel acceleration sensor (3), the first aanalogvoltage output port (9) of double-axel acceleration sensor (3) is connected with the second input port (12) with the first input end mouth (11) of signal conditioning circuit (4) respectively with the second aanalogvoltage output port (10); First output port (13) of signal conditioning circuit (4) and the first input end (15) of A/D modular converter (5) are connected, second output port (14) of signal conditioning circuit (4) is connected with second input end (16) of A/D modular converter (5), the input end of clock mouth (18) of A/D modular converter (5) is connected with the clock line input and output I/O port (20) of microprocessor (6), the data line communication port (17) of A/D modular converter (5) is connected with the data line input and output I/O port (19) of microprocessor (6), the transmission output port (21) of microprocessor (6) is connected with the reception input port (23) of signal translation interface (7), the reception input port (22) of microprocessor (6) is connected with the transmission output port (24) of signal translation interface (7), the temperature survey input and output I/O port (30) of little processing (6) is connected with the data line communication port (29) of temperature sensor (2), the transmission output port (25) of signal translation interface (7) is connected with the reception input port (27) of host computer (8), and the reception input port (26) of signal translation interface (7) is connected with the transmission input port (28) of host computer (8); The power input of temperature sensor (2), double-axel acceleration sensor (3), A/D modular converter (5), microprocessor (6) and signal translation interface (7) is connected with power module (1).
2. a kind of digital twin shaft angular displacement sensor according to claim 1, it is characterized in that: described signal conditioning circuit (4) comprises first input end mouth (11) and the second input port (12), one end of first input end mouth (11) and resistance R 1 is electrically connected, the other end of resistance R 1, the anodal incoming end of the resistance R 2 that is connected in parallel and an end of capacitor C 1 and the first voltage follower (31) is electrically connected, the resistance R 2 that is connected in parallel and the other end ground connection of capacitor C 1, the negative pole incoming end of the first voltage follower (31), first output port (13) of the output terminal of the first voltage follower (31) and signal conditioning circuit (4) is electrically connected, second input port (12) of signal conditioning circuit (4) and an end of resistance R 3 are electrically connected, the other end of resistance R 3, the anodal incoming end of the resistance R 4 that is connected in parallel and an end of capacitor C 2 and second voltage follower (32) is electrically connected, the resistance R 4 that is connected in parallel and the other end ground connection of capacitor C 2, the negative pole incoming end of second voltage follower (32), second output port (14) of the output terminal of second voltage follower (32) and signal conditioning circuit (4) is electrically connected, wherein resistance R 1, resistance R 2 and capacitor C 1 connect to form a RC circuit, wherein resistance R 3, resistance R 4 and capacitor C 2 connect to form the 2nd RC circuit.
3. a kind of digital twin shaft angular displacement sensor according to claim 1, it is characterized in that: described microprocessor (6) comprises digital filtering module and temperature compensation module.
4. a kind of digital twin shaft angular displacement sensor according to claim 1 is characterized in that: what described double-axel acceleration sensor (3) adopted is microelectronic chip.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220455557 CN202793312U (en) | 2012-09-07 | 2012-09-07 | Digital double-shaft angular displacement sensor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220455557 CN202793312U (en) | 2012-09-07 | 2012-09-07 | Digital double-shaft angular displacement sensor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202793312U true CN202793312U (en) | 2013-03-13 |
Family
ID=47820562
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220455557 Expired - Fee Related CN202793312U (en) | 2012-09-07 | 2012-09-07 | Digital double-shaft angular displacement sensor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202793312U (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104176634A (en) * | 2013-05-21 | 2014-12-03 | 上海航鼎电子科技发展有限公司 | Method and device for real-time detection of tower-type crane body verticality |
| CN104698937A (en) * | 2015-03-06 | 2015-06-10 | 南京欧泰物联网科技有限公司 | Three-dimensional impact recorder and recording method thereof |
| CN105828141A (en) * | 2016-05-10 | 2016-08-03 | 乐视控股（北京）有限公司 | Play equipment and display method thereof |
| CN105865324A (en) * | 2016-05-12 | 2016-08-17 | 全普光电科技(上海)有限公司 | Capacitance sensing device |
| CN106052623A (en) * | 2016-07-18 | 2016-10-26 | 西安交通大学 | Non-rotating central installation type angular displacement measurement sensor and measurement method thereof |
| CN108037703A (en) * | 2017-12-15 | 2018-05-15 | 中国航发沈阳黎明航空发动机有限责任公司 | The portable calibrating installation and calibration method of angular displacement sensor installation site |
| CN109612426A (en) * | 2019-01-29 | 2019-04-12 | 合肥博元电子科技有限公司 | A kind of shaft angle TT&C system of angular transducer |
| CN113933541A (en) * | 2021-09-30 | 2022-01-14 | 陕西航天时代导航设备有限公司 | Micro-mechanical instability acceleration sensor |
-
2012
- 2012-09-07 CN CN 201220455557 patent/CN202793312U/en not_active Expired - Fee Related
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104176634A (en) * | 2013-05-21 | 2014-12-03 | 上海航鼎电子科技发展有限公司 | Method and device for real-time detection of tower-type crane body verticality |
| CN104698937A (en) * | 2015-03-06 | 2015-06-10 | 南京欧泰物联网科技有限公司 | Three-dimensional impact recorder and recording method thereof |
| CN105828141A (en) * | 2016-05-10 | 2016-08-03 | 乐视控股（北京）有限公司 | Play equipment and display method thereof |
| CN105865324A (en) * | 2016-05-12 | 2016-08-17 | 全普光电科技(上海)有限公司 | Capacitance sensing device |
| CN105865324B (en) * | 2016-05-12 | 2019-02-01 | 全普光电科技(上海)有限公司 | Capacitive sensing apparatus |
| CN106052623A (en) * | 2016-07-18 | 2016-10-26 | 西安交通大学 | Non-rotating central installation type angular displacement measurement sensor and measurement method thereof |
| CN108037703A (en) * | 2017-12-15 | 2018-05-15 | 中国航发沈阳黎明航空发动机有限责任公司 | The portable calibrating installation and calibration method of angular displacement sensor installation site |
| CN109612426A (en) * | 2019-01-29 | 2019-04-12 | 合肥博元电子科技有限公司 | A kind of shaft angle TT&C system of angular transducer |
| CN113933541A (en) * | 2021-09-30 | 2022-01-14 | 陕西航天时代导航设备有限公司 | Micro-mechanical instability acceleration sensor |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN202793312U (en) | Digital double-shaft angular displacement sensor | |
| CN102692883B (en) | An analog input circuit for engineering-machinery-dedicated controller | |
| CN202209986U (en) | Sensing device for equipment state monitoring and fault diagnosis | |
| CN201754088U (en) | Digital tilt sensor | |
| CN206684088U (en) | A kind of digital pH sensors | |
| CN202815012U (en) | Digital three-axis micro-acceleration sensor | |
| CN103697860B (en) | A kind of to subsides differential type high-resolution tilt angle sensing instrument | |
| CN102162740B (en) | Transmitter | |
| CN202382873U (en) | Intelligent temperature transmitter | |
| CN103941743A (en) | Power transmission line patrol flying robot controller for preventing strong electromagnetic interference | |
| CN204496280U (en) | A kind of wind speed TT&C system based on Internet of Things | |
| CN201335718Y (en) | Bubble-type water gauge | |
| CN202940789U (en) | Frequency current isolation conversion module | |
| CN203385414U (en) | High intelligent automation inclinometer | |
| CN207036113U (en) | A kind of linear array measuring instrument | |
| CN103454448A (en) | Low-frequency acceleration sensor transmitter | |
| CN105632151A (en) | Industry on-site digital signal transmission method | |
| CN203038114U (en) | Power transmission line patrol flying robot controller for preventing strong electromagnetic interference | |
| CN203133105U (en) | Low-frequency acceleration sensing transmitter | |
| CN202421267U (en) | Digital multimeter based on wifi wireless transmission | |
| CN201749194U (en) | Portable multifunctional survey instrument | |
| CN202693122U (en) | Blasting recorder of sensor with triaxial digital gyroscope orientation function | |
| CN203364757U (en) | Tiny inclination angle detection apparatus | |
| CN202197253U (en) | Frequency control device reducing acceleration effect by voltage control end real time compensation | |
| CN203377894U (en) | Signal transmitter module |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 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: 20130313 Termination date: 20140907 |
|
| EXPY | Termination of patent right or utility model |