CN205037863U - Reluctance type angle sensor's detection correction system - Google Patents
Reluctance type angle sensor's detection correction system Download PDFInfo
- Publication number
- CN205037863U CN205037863U CN201520739245.6U CN201520739245U CN205037863U CN 205037863 U CN205037863 U CN 205037863U CN 201520739245 U CN201520739245 U CN 201520739245U CN 205037863 U CN205037863 U CN 205037863U
- Authority
- CN
- China
- Prior art keywords
- magneto resistive
- angular sensor
- plc
- corrective system
- resistive angular
- 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.)
- Active
Links
Landscapes
- Transmission And Conversion Of Sensor Element Output (AREA)
- Measurement Of Length, Angles, Or The Like Using Electric Or Magnetic Means (AREA)
Abstract
The utility model discloses a reluctance type angle sensor's detection correction system detects correction system and includes PLC, step motor, transmission shaft, rotary magnet, reluctance type angle sensor and MCU, PLC is used for setting up one and sets for angle and control stepper motor drive rotary magnet from the rotatory angle of setting for of an initial position, reluctance type angle sensor is used for detecting the rotation angle of rotary magnet, and MCU is used for gathering rotation angle to send rotation angle to PLC. The utility model discloses a reluctance type angle sensor's automatic detects and rectifies, has improved detection efficiency and has detected precision, convenient operation.
Description
Technical field
The utility model relates to a kind of detection corrective system of sensor, particularly a kind of detection corrective system of magneto resistive angular sensor.
Background technology
Magneto resistive angular sensor is a kind of common detecting element, is widely used in automobile, Aero-Space, mining machinery, each department of national economies such as robotization and field.Because magneto resistive angular sensor is very responsive to magnetic direction, all can cause very large data deviation to any angular deviation and position deviation, so be difficult to the accuracy by theoretical its data of accurate Calculation.
Traditional magneto resistive angular sensor detection method manually crank rotating magnetic field, then reads its measured value, then analyzes the accuracy of its measured value, and manually detect the mode of magneto resistive angular sensor, detection efficiency is low, and can not batch detection.In addition, rotary magnetic field cannot reach accurate location manually, and artificial sense data exists very large subjective factor simultaneously.So magneto resistive angular sensor detection system measuring accuracy of the prior art is not high, operation inconvenience.
Utility model content
The technical problems to be solved in the utility model is that the magneto resistive angular sensor in order to overcome prior art detects manually, causes measuring accuracy not high, unhandy defect, provides a kind of detection corrective system of reluctive transducer.
The utility model solves above-mentioned technical matters by following technical proposals:
A kind of detection corrective system of magneto resistive angular sensor, its feature is, described detection corrective system comprises PLC (ProgrammableLogicController programmable logic controller (PLC)), stepper motor, transmission shaft, rotary magnet, magneto resistive angular sensor and MCU (MicrocontrollerUnit micro-control unit);
Described PLC is electrically connected with described stepper motor and described MCU respectively, and described stepper motor is connected with described rotary magnet by described transmission shaft, and described MCU is electrically connected with described magneto resistive angular sensor;
Described PLC is used for arranging a set angle and controls described stepper motor and drives described rotary magnet to rotate described set angle from an initial position;
Described magneto resistive angular sensor is for detecting the anglec of rotation of described rotary magnet, and the described anglec of rotation for gathering the described anglec of rotation, and is sent to described PLC by described MCU.
In this programme, by effective cooperation of MCU, PLC, stepper motor, rotary magnet, achieve the Aulomatizeted Detect of magneto resistive angular sensor, saved manpower, improve detection efficiency.
Preferably, described PLC also drives described rotary magnet to rotate back to described initial position for controlling described stepper motor;
And described PLC is also for sending calibration command to described magneto resistive angular sensor, described magneto resistive angular sensor resets zero point according to the current angular side-play amount detected.
In this programme, PLC can realize the correction of magneto resistive angular sensor automatically according to testing result, without the need to artificial participation.
Preferably, described detection corrective system also comprises absolute value encoder, and described absolute value encoder is electrically connected with described PLC, and described absolute value encoder is connected with described stepper motor by shaft coupling;
Described absolute value encoder is used for the present rotation angel degree that described in Real-time Collection, stepper motor rotates, and described present rotation angel degree is sent to described PLC, described PLC also rotates for adjusting described stepper motor according to described present rotation angel degree and described set angle, until described present rotation angel degree is identical with described set angle.
Absolute value encoder and PLC form closed-loop control, and the present rotation angel degree of stepper motor is fed back to PLC by absolute value encoder, and PLC rotates, until stepper motor is accurately located according to the whether equal stepper motor that adjusts of value of feedback and set angle.
Preferably, described detection corrective system also comprises display screen, and described display screen is for showing the testing result of described PLC, the numerical value of described set angle, the numerical value of the described anglec of rotation.
Preferably, described display screen is touch-screen.In this programme, detect corrective system and can comprise manual detection correction mode and automatically detect correction mode, and required pattern can be selected voluntarily by touch-screen.
Preferably, described detection corrective system also comprises memory module, and described memory module is for storing the testing result of described PLC, the numerical value of described set angle, the numerical value of the described anglec of rotation.
Preferably, described detection corrective system also comprises alarm module, for pointing out warning message.If current detection corrective system is for manually to detect corrective system, operating personnel according to warning message, can operate on the touchscreen, realizes the correction of magneto resistive angular sensor.
Preferably, described rotary magnet is U-shaped rotary magnet.
Preferably, described MCU is connected with described magneto resistive angular sensor by SPI (SerialPeripheralInterface Serial Peripheral Interface (SPI)) bus, and described MCU is connected with described PLC by serial bus.
Preferably, described PLC is connected with described touch-screen and described absolute value encoder respectively by RS485 (serial communication interface) interface.
Positive progressive effect of the present utility model is: the utility model achieves detection and the correction of the robotization of magneto resistive angular sensor, without the need to artificial participation in whole process, has saved human cost.And avoiding artificial participation detection correction, the deviation of the Magnetic oriented caused because of its subjective factor and reading data, improves detection efficiency and accuracy of detection, easy to operate.
Accompanying drawing explanation
Fig. 1 is the detection corrective system structural representation of the magneto resistive angular sensor of the utility model embodiment 1.
Fig. 2 is the detection corrective system structural representation of the magneto resistive angular sensor of the utility model embodiment 2.
Embodiment
Mode below by embodiment further illustrates the utility model, but is not therefore limited among described scope of embodiments by the utility model.
Embodiment 1
Fig. 1 shows a kind of detection corrective system of magneto resistive angular sensor, and it comprises PLC1, stepper motor 2, transmission shaft 3, U-shaped rotary magnet 4, magneto resistive angular sensor 5 and MCU6; PLC1 is electrically connected with stepper motor 2, and PLC1 is electrically connected with MCU6 by serial bus, and stepper motor 2 is connected with rotary magnet 4 by transmission shaft 3, and MCU6 is electrically connected with magneto resistive angular sensor 5 by spi bus.
In detection trimming process, first arrange the set angle of PLC1, the present embodiment is 45 ° for set angle.And also will setting range be set, namely the anglec of rotation of magneto resistive angular sensor 5 detection and the difference of set angle, be generally 1.3 °.PLC1 control step motor 2 driven rotary magnet 4 rotates 45 °, and rotary magnet 4 forms the rotating magnetic field of direction-changeable.Magneto resistive angular sensor 5 detects the anglec of rotation of rotary magnet 4, and MCU6 gathers the anglec of rotation, and the anglec of rotation is sent to PLC1; PLC1 detects set angle (being 45 °) here and whether exceeds setting range with the difference of the anglec of rotation, is also tolerance 1.3 °.If difference is more than 1.3 °, then the testing result of PLC1 is that magneto resistive angular sensor 5 is defective; When the testing result of PLC1 be magneto resistive angular sensor 5 defective time, PLC1 control step motor 2 driven rotary magnet 4 rotates back to initial position; And PLC1 sends calibration command to magneto resistive angular sensor 5, magneto resistive angular sensor 5 resets zero point according to the current angular side-play amount detected.
If difference is not more than 1.3 °, then the testing result of PLC1 is that magneto resistive angular sensor 5 is qualified.
In order to improve the accuracy of detection detecting corrective system further, generally within the scope of 0 °-180 °, choosing multiple set angle, such as 0 °, 45 °, 90 °, 135 °, 180 °, but being not limited to this 5 angles, can realize being as the criterion with those skilled in the art.PLC1 detects from 0 °, if 0 ° reaches requirement, namely the anglec of rotation of magneto resistive angular sensor 5 detection and the difference of set angle 0 ° are less than 1.3 °, then carry out the detection of 45° angle degree, criterion is with 0 ° of angle, by that analogy, to all meeting the requirements to 5 angles, then the testing result of PLC1 is that magneto resistive angular sensor 5 is qualified.If detect, an angle is defective, corrects magneto resistive angular sensor 5, and continue after correcting to detect this angle, if still defective, then the testing result of PLC1 is that magneto resistive angular sensor 5 is defective.
Embodiment 2
Embodiment 2 is substantially the same manner as Example 1, and as shown in Figure 2, difference is, detects corrective system and also comprises absolute value encoder 7 and display screen 9.
Absolute value encoder 7 is electrically connected with PLC1 by RS485 interface, and absolute value encoder 7 is connected with stepper motor 2 by shaft coupling 8.In order to improve the accuracy of detection detecting corrective system further, first stepper motor 2 is accurately located before magneto resistive angular sensor 5 detects the anglec of rotation of rotary magnet 4, to realize the precision location of rotary magnet 4.Absolute value encoder 7 and PLC1 form closed-loop control, the present rotation angel degree that absolute value encoder 7 Real-time Collection stepper motor 2 rotates, and present rotation angel degree is sent to PLC1, whether PLC1 compares present rotation angel degree identical with set angle, or for 45 °, if present rotation angel degree is not equal to 45 °, then PLC1 adjusts present rotation angel degree, until the present rotation angel degree that stepper motor 2 rotates is 45 °.
Display screen is for showing testing result, the numerical value of set angle, the numerical value of the anglec of rotation of PLC.Display screen 9 can be touch-screen, and is electrically connected with PLC1 by RS485 interface.Detect corrective system can comprise manual detection correction mode and automatically detect correction mode, and required pattern can be selected voluntarily by touch-screen.In addition, other associative operations in system also can be realized by touch-screen, such as, arranged the set angle, difference setting range etc. of PLC1 by touch-screen.
In the present embodiment, detect corrective system and also comprise memory module and alarm module.Memory module is for storing testing result, the numerical value of set angle, the numerical value of the anglec of rotation of PLC1.Alarm module be used for the testing result of PLC1 be magneto resistive angular sensor 5 defective time, prompting warning message.If current detection corrective system is for manually to detect corrective system, operating personnel according to warning message, can operate on the touchscreen, realizes the correction of magneto resistive angular sensor 5.
Although the foregoing describe embodiment of the present utility model, it will be understood by those of skill in the art that this only illustrates, protection domain of the present utility model is defined by the appended claims.Those skilled in the art, under the prerequisite not deviating from principle of the present utility model and essence, can make various changes or modifications to these embodiments, but these change and amendment all falls into protection domain of the present utility model.
Claims (10)
1. a detection corrective system for magneto resistive angular sensor, is characterized in that, described detection corrective system comprises PLC, stepper motor, transmission shaft, rotary magnet, magneto resistive angular sensor and MCU;
Described PLC is electrically connected with described stepper motor and described MCU respectively, and described stepper motor is connected with described rotary magnet by described transmission shaft, and described MCU is electrically connected with described magneto resistive angular sensor;
Described PLC controls described stepper motor according to a set angle and drives described rotary magnet to rotate described set angle from an initial position;
Described magneto resistive angular sensor is for detecting the anglec of rotation of described rotary magnet, and the described anglec of rotation for gathering the described anglec of rotation, and is sent to described PLC by described MCU.
2. the detection corrective system of magneto resistive angular sensor as claimed in claim 1, it is characterized in that, described PLC also drives described rotary magnet to rotate back to described initial position for controlling described stepper motor;
And described PLC is also for sending calibration command to described magneto resistive angular sensor, described magneto resistive angular sensor resets zero point according to the current angular side-play amount detected.
3. the detection corrective system of magneto resistive angular sensor as claimed in claim 1 or 2, it is characterized in that, described detection corrective system also comprises absolute value encoder, and described absolute value encoder is electrically connected with described PLC, and described absolute value encoder is connected with described stepper motor by shaft coupling;
Described absolute value encoder is used for the present rotation angel degree that described in Real-time Collection, stepper motor rotates, and described present rotation angel degree is sent to described PLC, described PLC also rotates for adjusting described stepper motor according to described present rotation angel degree and described set angle, until described present rotation angel degree is identical with described set angle.
4. the detection corrective system of magneto resistive angular sensor as claimed in claim 3, it is characterized in that, described detection corrective system also comprises display screen, and described display screen is for showing the testing result of described PLC, the numerical value of described set angle, the numerical value of the described anglec of rotation.
5. the detection corrective system of magneto resistive angular sensor as claimed in claim 4, it is characterized in that, described display screen is touch-screen.
6. the detection corrective system of magneto resistive angular sensor as claimed in claim 1, it is characterized in that, described detection corrective system also comprises memory module, and described memory module is for storing the testing result of described PLC, the numerical value of described set angle, the numerical value of the described anglec of rotation.
7. the detection corrective system of magneto resistive angular sensor as claimed in claim 1, it is characterized in that, described detection corrective system also comprises alarm module, for pointing out warning message.
8. the detection corrective system of magneto resistive angular sensor as claimed in claim 1, it is characterized in that, described rotary magnet is U-shaped rotary magnet.
9. the detection corrective system of magneto resistive angular sensor as claimed in claim 1, it is characterized in that, described MCU is connected with described magneto resistive angular sensor by spi bus, and described MCU is connected with described PLC by serial bus.
10. the detection corrective system of magneto resistive angular sensor as claimed in claim 5, is characterized in that, described PLC is connected with described touch-screen and described absolute value encoder respectively by RS485 interface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520739245.6U CN205037863U (en) | 2015-09-23 | 2015-09-23 | Reluctance type angle sensor's detection correction system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520739245.6U CN205037863U (en) | 2015-09-23 | 2015-09-23 | Reluctance type angle sensor's detection correction system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205037863U true CN205037863U (en) | 2016-02-17 |
Family
ID=55296758
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520739245.6U Active CN205037863U (en) | 2015-09-23 | 2015-09-23 | Reluctance type angle sensor's detection correction system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205037863U (en) |
-
2015
- 2015-09-23 CN CN201520739245.6U patent/CN205037863U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106546163A (en) | The detection correction system of magneto resistive angular sensor | |
| CN106533277B (en) | Method and device for checking zero position of rotary transformer of motor | |
| CN103267605B (en) | A kind of electric wrench torsion angle detection system and method | |
| CN103278868B (en) | Automated weather station system with fault self-diagnostic and self-recovery function | |
| CN203786145U (en) | Wind direction calibration device for wind sensor | |
| CN107834934A (en) | Electric automobile and its rotary transformer initial position auto-correction method and system | |
| CN111376256A (en) | Steering engine angle calibration method and system, robot and storage medium | |
| CN109391206B (en) | Method and device for determining motor rotation scale | |
| CN203785790U (en) | Temperature detection device | |
| CN104605878A (en) | Rotating speed correcting method and system for CT machine | |
| CN102967446B (en) | A kind of LED performance test case, scaling method and performance test methods | |
| CN205037863U (en) | Reluctance type angle sensor's detection correction system | |
| CN209857935U (en) | Detection device for detecting precision of photoelectric encoder | |
| CN209055276U (en) | A kind of pressure sensor failure detection device | |
| CN107070108A (en) | Motor assembling and orienting device and method | |
| CN104291089A (en) | Off-tracking distortion protection control system for tubular belt conveyor | |
| CN205300712U (en) | Ultrasonic wave gas surface low volume point coefficient correcting unit | |
| CN105354905B (en) | Position detecting device, bio-identification gate inhibition and its application method | |
| CN205105309U (en) | Camera convenient to regulation angle of making a video recording | |
| CN205205207U (en) | Rotation anode furnace system | |
| CN206824936U (en) | The automatic locking system of hood screw | |
| CN105316491A (en) | Rotary anode furnace system and control method thereof | |
| CN203011674U (en) | LED performance test box | |
| CN202956262U (en) | Torsion testing jig applicable to adjusting bolt assembly | |
| CN207377686U (en) | A kind of fuel pump intelligent controller |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |