CN207588743U - A kind of motor rotary transformer position detecting device - Google Patents
A kind of motor rotary transformer position detecting device Download PDFInfo
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- CN207588743U CN207588743U CN201721883712.8U CN201721883712U CN207588743U CN 207588743 U CN207588743 U CN 207588743U CN 201721883712 U CN201721883712 U CN 201721883712U CN 207588743 U CN207588743 U CN 207588743U
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Abstract
The utility model is related to motor rotary transformer position detecting devices, including rotation no-load voltage ratio device, rotary transformer, signal resolving system and apparatus structure selection operation device, the rotary transformer is arranged on the downstream of transmission no-load voltage ratio device, and the output signal of the signal resolving system is input to motor driver；The rotary transformer obtains rotation by signal resolving system and becomes pumping signal；Apparatus structure selection operation device output motor rotary transformer series, the transmission transmission ratios of no-load voltage ratio device and the electric machine structure signal, and be transported in signal resolving system；The signal is resolved calculates signal conversion proportion according to motor rotary transformer series, the transmission ratios of transmission no-load voltage ratio device and electric machine structure；And pumping signal is become according to conversion proportion and rotation, calculate output signal.The utility model is a kind of novel motor no-load voltage ratio example signal location detection device based on rotary transformer, this device has wide practical use for the control mechanism of some special occasions.
Description
Technical field
The utility model is related to motor rotary transformer position detecting device, more particularly to a kind of position for being driven no-load voltage ratio
Put detection device.
Background technology
The position sensor of motor, the general photoelectric sensor of tradition, grating scale, magnetic railings ruler or rotary transformer.Light
Electric-type sensor is cheap, but not poor with easily failure, impact resistance in a sealed meter environment.Grating scale precision is high, but
It is expensive, to operating environment requirements height.Magnetic railings ruler is more suitable for certain occasion with the dirty vibration resistance of resistance to dust of Waterproofing/oilproofing
Long range measurements.Rotating transformer structures are simple, are active in one's movements, to environment without particular/special requirement, easy to maintain, amplitude output signal
Greatly, strong interference immunity, reliable operation adapt to severe working environment.Therefore, the extensive use on numerically-controlled machine tool.
But some occasion rotary transformers are not to be coaxially mounted to motor tail end, but there is transmission no-load voltage ratio device in centre, this
Sample be conducive to operating mechanism control it is more intuitive, rotation become mounting design it is controllable, suitable for servo-control system, robot system,
The application scenarios such as numerically-controlled machine tool, automobile, electric power, metallurgy, building.
Utility model content
The purpose of the utility model is to overcome the deficiencies in the prior art, provide a kind of more extensive motor of applicable situation and use
Rotary transformer position detecting device
In order to achieve the above object, a kind of motor rotary transformer position detecting device is provided, is become including motor, rotation
Than device, rotary transformer, signal resolving system, apparatus structure selection operation device and motor driver for controlling motor,
The rotary transformer is arranged on the downstream of transmission no-load voltage ratio device, and the output signal of the signal resolving system is input to electricity
Rotary transformer described in machine driver obtains rotation by signal resolving system and becomes pumping signal；
The apparatus structure selection operation device output motor rotary transformer series, the transmission ratios for being driven no-load voltage ratio device
With electric machine structure signal, and it is transported in signal resolving system；
The signal resolves the transmission ratios and electric machine structure according to motor rotary transformer series, transmission no-load voltage ratio device
Calculate signal conversion proportion；And pumping signal is become according to conversion proportion and rotation, calculate output signal.
Rotary transformer series that signal resolving system is configured according to apparatus structure selection operation device, transmission no-load voltage ratio device
Transmission ratios, electric machine structure calculate signal conversion proportion；Decoded signal is become according to conversion proportion and rotation, calculates sensor output
Signal, sensor signal form of the device according to needed for driver are supplied to driver.
It should be understood that transmission ratios are M:N, wherein, M/N, N/M can be integer, or decimal.
Preferably, the signal resolving system includes power amplifier, decoding circuit, decoded signal computing module；
The rotary transformer obtains rotation by power amplifier and becomes pumping signal, and pass through decoding circuit and be transported to decoding
Signal computing module；
Decoded signal computing module also receives motor rotary transformer series, the transmission ratios and motor that are driven no-load voltage ratio device
Structure calculates signal conversion proportion, and passes through rotation and become pumping signal calculating output signal.
Wherein decoded signal computing module, motor speed position resolve module, signal conversion module can be used MCU, DSP,
FPGA, CPLD are core design.
Preferably, the signal resolving system, which further includes motor speed position, resolves module and signal conversion module, institute
The motor speed position stated resolves module for calculating the speed of motor and position and exporting；The signal conversion module is used
In increment type traying form signal and absolute type code-disc signal is calculated and exports.
Preferably, the absolute type code-disc signal includes the signal of binary system or gray code format.
Preferably, sensor output module setting is further included for receiving the signal of signal resolving system, and be transmitted to electricity
Machine driver.
Preferably, the sensor output module includes motor speed position analogue quantity output circuit, motor speed position
Put serial output circuit, increment type traying form output circuit and absolute type code-disc form output circuit；
The analogue quantity output circuit be used for receive motor speed position resolve module calculate motor speed and to
Motor driver exports；
The machine velocity location serial output circuit calculates motor for receiving motor speed position resolving module
Position is simultaneously exported to motor driver；
Increment type code is calculated for receiving the signal conversion module in the increment type traying form output circuit
Disk-form signal is simultaneously exported to motor driver；
Absolute type is calculated for receiving the signal conversion module in the absolute type code-disc form output circuit
Code-disc signal is simultaneously exported to motor driver.
Preferably, the apparatus structure selection operation device includes display circuit, the display circuit receives following appoint
One or more combination signals：Motor rotary transformer series, be driven no-load voltage ratio device transmission ratios and electric machine structure signal with
And the signal of transmission ratios.
Apparatus structure selection operation device can select to include rotary transformer series, transmission no-load voltage ratio device biography according to practical application
Dynamic ratio, electric machine structure type, and shown by display circuit.
Preferably, further including operating mechanism, the transmission no-load voltage ratio device is set between motor and operating mechanism.
Being driven no-load voltage ratio device can be by the power transmission of motor to the intermediate device of operating mechanism.Motor can be electric rotating
Machine can also be linear motor；Operating mechanism can be rotary motion or linear motion.Being driven no-load voltage ratio device variable proportion will revolve
Rotating motor is converted into rotary motion or linear motion, and linear motor can also be converted into rotary motion or linear motion.
Preferably, the motor is can be synchronous motor, asynchronous machine, switched reluctance machines etc..
Preferably, the display circuit is the human-computer interaction circuit selected for display device structure.
Preferably, the decoding circuit is that rotation is used to become decoding chip ADS1200, ADS1205, ADS1210 etc. as core
Decoding circuit.
Preferably, the power amplifier is to amplify the excitation that decoding chip generates using power amplification circuit to become this to rotation
Body.
Another aspect according to the present utility model provides a kind of motor rotary transformer method for detecting position, including with
Lower step：
Acquire rotary transformer series, transmission gear ratio example, electric machine structure, rotation change decoded signal；
Conversion proportion is calculated by acquiring rotary transformer series, transmission gear ratio example, electric machine structure；
Absolute type code-disc signal, increment type traying signal, electricity are calculated by conversion proportion and rotation decoded signal respectively
It puts seat in the plane；
Motor speed is calculated by motor position；
Export Serial output, the motor speed of absolute type code-disc signal, increment type traying signal, motor speed and motor position
The analog output of degree and motor position.
Preferably, further include step：
The following any one or more combination signal of display：Motor rotary transformer series, the transmission ratios for being driven no-load voltage ratio device
With electric machine structure and transmission ratios.
The utility model rotary transformer series, transmission gear ratio example, electric machine structure obtain a conversion ratio jointly
Example relationship, and pass through display circuit and show.By this proportionate relationship, system counts the decoded signal of rotary transformer
It calculates, obtains required absolute type code-disc signal and increment type traying signal and motor real time position.System can pass through motor reality
When position motor real-time speed is calculated.Code-disc signal and motor position, speed can be believed according to the sensor needed for driver
Number form is supplied to driver.
The utility model provides a kind of motor rotation and becomes position detecting device, is a kind of novel based on rotary transformer
Motor no-load voltage ratio example signal location detection device, this device have wide practical use for the control mechanism of some special occasions.
It should be understood that in the scope of the utility model, above-mentioned each technical characteristic of the utility model and below (such as implementation
Mode) in specifically describe each technical characteristic between can be combined with each other, so as to form new or preferred technical solution.Limit
In length, not repeated them here.
Description of the drawings
Fig. 1 is motor rotary transformer position detection overall structure diagram；
Fig. 2 is signal resolving system configuration diagram；
Fig. 3 is apparatus structure selection operation device structure diagram；
Fig. 4 is sensor signal output device functional schematic；
Fig. 5 is system control process figure；
Reference sign：
1 motor, 2 motor drivers, 3 transmission no-load voltage ratio devices, 4 operating mechanisms, 5 rotary transformers, 6 apparatus structures selection behaviour
Make device, 7 signal resolving systems, 8 sensor signal output devices, 9 power amplifiers, 10 decoding circuits, 11 decoded signals calculating mould
Block, 12 motor speed positions resolving module, 13 signal conversion modules, connecting line between 14 power amplifiers and rotary transformer, 15
Connecting line between decoding circuit and rotary transformer, 16 motor speed positions resolve module and motor speed position analog output
Connecting line between circuit, connecting line between 17 motor speed positions resolving module and motor speed position serial output circuit, 18
Signal conversion module and increment type traying form output circuit connecting line, 19 signal conversion modules and binary system or Gray code
Code-disc form output circuit connecting line, communication line between 20 apparatus structure selection operation devices and signal resolving system, 21 rotations become class
Type, 22 transmission types, 23 electric machine structure types, 24 display circuits, 25 motor speed position analogue quantity output circuits, 26
Motor speed position serial output circuit, 27 increment type traying form output circuits, 28 binary systems or Gray code code-disc form
Output circuit, connecting line between 29 motor speed position analogue quantity output circuits and motor, 30 motor speed position Serial outputs
Connecting line between circuit and motor, connecting line between 31 increment type traying form output circuits and motor, 32 binary systems or lattice
Connecting line between thunder code code-disc form output circuit and motor.
Specific embodiment
The preferred embodiment of the utility model is described in detail below with reference to attached drawing, to become apparent from understanding this reality
With it is novel the characteristics of and advantage.It should be understood that embodiment shown in the drawings is not the limitation to the scope of the utility model, and
Simply to illustrate that the connotation of technical solutions of the utility model.
Fig. 1 is the motor rotary transformer position detection overall structure diagram of the utility model, whole as shown in Fig. 1
Body includes motor 1, motor driver 2, transmission no-load voltage ratio device 3, operating mechanism 4, rotary transformer 5, apparatus structure selection operation
Device 6, signal resolving system 7, sensor signal output device 8.Direction shown in arrow is signal, the transmission direction of electric current.
Motor 1 is connected to operating mechanism 4 and rotary transformer 5 by transmission device 3.Rotary transformer 5 passes through signal solution
The power amplifier 9 of calculation system 7 obtains rotation and becomes pumping signal, while will revolve the solution for becoming decoded signal and being transmitted to signal resolving system 7
Decoded signal is transmitted to signal resolving system 7 by code circuit 10, decoding circuit 10.Signal resolving system 7 selects apparatus structure
The sensor signal needed for motor driver 2 is calculated in the instruction of operator 6 and the instruction of decoded signal, this signal passes through biography
Sensor output device 8 is transmitted to motor driver 2.
Fig. 2 is signal resolving system configuration diagram, as shown in Fig. 2, internal system framework includes power amplifier 9, decoding
Circuit 10, decoded signal computing module 11, motor speed position resolve module 12, signal conversion module 13.
Structure choice signal is supplied to decoded signal computing module by apparatus structure selection operation device 6 by signal wire 20
11.Decoded signal is supplied to decoded signal computing module 11 by decoding circuit 10.Decoded signal computing module 11 is by the letter of resolving
Number resolving module 12 by motor speed position calculates speed and the position of motor, and sensing is transmitted to by signal wire 16,17
Device signal output apparatus 8.The signal of resolving is obtained increment type code by decoded signal computing module 11 by signal conversion module 13
The absolute type code-disc signal of disk-form signal and binary system or gray code format is transmitted to sensor by signal wire 18,19
Signal output apparatus 8.
Fig. 3 is apparatus structure selection operation device structure diagram, as shown in figure 3, apparatus structure selection, which includes rotation, becomes type
21, transmission type 22, electric machine structure 23, display circuit 24.
Fig. 4 is sensor signal output device functional schematic, as shown in figure 4, sensor signal output function includes electricity
Machine velocity location analogue quantity output circuit 25, motor speed position serial output circuit 26, increment type traying form output circuit
27, binary system or Gray code code-disc form output circuit 28.
The signal of signal resolving system 7 is respectively transmitted to motor speed position analogue quantity output circuit by signal wire 16,17
25 and motor speed position serial output circuit 26.The signal of signal resolving system 7 is transmitted to increment type traying by signal wire 18
Form output circuit 27.The signal of signal resolving system 7 is transmitted to signal wire 19 binary system or Gray code code-disc form is defeated
Go out circuit 28.Motor speed position analogue quantity output circuit 25 is connect by signal wire 29 with motor driver 2, motor speed position
It puts serial output circuit 26 to connect with motor driver 2 by signal wire 30, increment type traying form output circuit 27 passes through letter
Number line 31 is connect with motor driver 2, and binary system or Gray code code-disc form output circuit 28 pass through signal wire 32 and electricity
Machine driver 2 connects.
Fig. 5 is the system control process figure of the utility model, as shown in figure 5, when apparatus system is run, rotary transformer
Series, transmission gear ratio example, electric machine structure obtain a conversion proportion relationship jointly, and pass through display circuit and show
Come.By this proportionate relationship, system calculates the decoded signal of rotary transformer, obtains required absolute type code-disc signal
With increment type traying signal and motor real time position.Motor real-time speed can be calculated in system by motor real time position.
Code-disc signal and motor position, speed can be supplied to driver according to the sensor signal form needed for driver.
The utility model provides a kind of motor rotation and becomes position detecting device, is a kind of novel based on rotary transformer
Motor no-load voltage ratio example signal location detection device, this device have wide practical use for the control mechanism of some special occasions.
The preferred embodiment of the utility model is described in detail above, it is understood that understanding this practicality newly reading
After the above-mentioned instruction content of type, those skilled in the art can make various changes or modifications the utility model, these are of equal value
Form is also fallen within the scope of the appended claims of the present application.
Claims (8)
1. a kind of motor rotary transformer position detecting device, which is characterized in that including motor (1), rotation no-load voltage ratio device
(3), rotary transformer (5), signal resolving system (7), apparatus structure selection operation device (6) and the electricity for controlling motor (1)
Machine driver (2), the rotary transformer (5) are arranged on the downstream of transmission no-load voltage ratio device (3), the signal resolving system
(7) output signal is input to motor driver (2)；
The rotary transformer (5) obtains rotation by signal resolving system (7) and becomes pumping signal；
Described apparatus structure selection operation device (6) output motor rotary transformer series, the transmission ratios for being driven no-load voltage ratio device
With electric machine structure signal, and it is transported in signal resolving system (7)；
The signal resolves according to motor rotary transformer series, is driven the transmission ratios of no-load voltage ratio device and electric machine structure resolving
Go out signal conversion proportion；And pumping signal is become according to conversion proportion and rotation, calculate output signal.
2. motor according to claim 1 rotary transformer position detecting device, which is characterized in that the signal solution
Calculation system (7) includes power amplifier (9), decoding circuit (10), decoded signal computing module (11)；
The rotary transformer (5) obtains rotation by power amplifier (9) and becomes pumping signal, and passes through decoding circuit (10) conveying
To decoded signal computing module (11)；
Decoded signal computing module (11) also receives motor rotary transformer series, the transmission ratios and motor that are driven no-load voltage ratio device
Structure calculates signal conversion proportion, and passes through rotation and become pumping signal calculating output signal.
3. motor according to claim 2 rotary transformer position detecting device, which is characterized in that the signal solution
Calculation system (7) further includes motor speed position and resolves module (12) and signal conversion module (13), the motor speed position
Module (12) is resolved for calculating the speed of motor and position and exporting；The signal conversion module (13) is for calculating
To increment type traying form signal and absolute type code-disc signal and export.
4. motor according to claim 3 rotary transformer position detecting device, which is characterized in that the absolute type
Code-disc signal includes the signal of binary system or gray code format.
5. motor according to claim 3 rotary transformer position detecting device, which is characterized in that further include sensor
Output module (8) sets to receive the signal of signal resolving system (7), and be transmitted to motor driver (2).
6. motor according to claim 5 rotary transformer position detecting device, which is characterized in that the sensor
Output module (8) includes motor speed position analogue quantity output circuit (25), motor speed position serial output circuit (26), increasing
Amount formula code-disc form output circuit (27) and absolute type code-disc form output circuit (28)；
The analogue quantity output circuit (25) resolves module (12) for receiving motor speed position and calculates the speed of motor
And it is exported to motor driver (2)；
The machine velocity location serial output circuit (26) calculates electricity for receiving motor speed position resolving module (12)
The position of machine is simultaneously exported to motor driver (2)；
Increment is calculated for receiving the signal conversion module (13) in the increment type traying form output circuit (27)
Formula code-disc form signal is simultaneously exported to motor driver (2)；
The absolute type code-disc form output circuit (28) is calculated absolutely for receiving the signal conversion module (13)
It is exported to formula code-disc signal and to motor driver (2).
7. motor according to claim 1 rotary transformer position detecting device, which is characterized in that the device knot
Structure selection operation device (6) includes display circuit (24), and the display circuit (24) receives following any one or more combination signal：
Motor rotary transformer series, the transmission ratios for being driven no-load voltage ratio device and the signal of electric machine structure and the signal of transmission ratios.
8. motor according to claim 1 rotary transformer position detecting device, which is characterized in that further include working machine
Structure (4), the transmission no-load voltage ratio device (3) are set between motor (1) and operating mechanism (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721883712.8U CN207588743U (en) | 2017-12-28 | 2017-12-28 | A kind of motor rotary transformer position detecting device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721883712.8U CN207588743U (en) | 2017-12-28 | 2017-12-28 | A kind of motor rotary transformer position detecting device |
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| CN207588743U true CN207588743U (en) | 2018-07-06 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108011548A (en) * | 2017-12-28 | 2018-05-08 | 中国科学院宁波材料技术与工程研究所 | A kind of motor rotary transformer position detecting device |
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2017
- 2017-12-28 CN CN201721883712.8U patent/CN207588743U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108011548A (en) * | 2017-12-28 | 2018-05-08 | 中国科学院宁波材料技术与工程研究所 | A kind of motor rotary transformer position detecting device |
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