CN209372995U - A kind of rotary transformer detection circuit and device - Google Patents
A kind of rotary transformer detection circuit and device Download PDFInfo
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- CN209372995U CN209372995U CN201821990482.XU CN201821990482U CN209372995U CN 209372995 U CN209372995 U CN 209372995U CN 201821990482 U CN201821990482 U CN 201821990482U CN 209372995 U CN209372995 U CN 209372995U
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Abstract
A kind of rotary transformer detection circuit and device, with reference rotary transformer, rotary transformer and motor drive module connection to be tested, including the first signal decoder module, second signal decoder module and control module, it is connected on same motor by the way that rotary transformer and rotary transformer to be tested will be referred to, motor drive module is controlled by control module to control the running parameter of motor, and the output signal of the output signal of reference rotary transformer and rotary transformer to be tested is converted to by the first digital signal and the second digital signal that control module can identify by signal decoder module, judged under the parameter of setting by control module, whether whether one to show detection rotary transformer to be tested normal for first digital signal and the second digital signal.
Description
Technical field
The utility model belongs to electric machines test technical field more particularly to a kind of rotary transformer detection circuit and dress
It sets.
Background technique
Currently, traditional rotary transformer generally uses manual test method in measuring technology, but will lead in this way
Testing efficiency is low, and the method for manual test often has that data testing accuracy is low, positioning accuracy is not high.
Therefore, that there are testing efficiencies in traditional technical solution is low, data testing accuracy is low and positioning accuracy is low
Problem.
Utility model content
In view of this, the utility model embodiment provides a kind of rotary transformer detection circuit, it is intended to solve traditional
The problem that testing efficiency present in technical solution is low, data testing accuracy is low and positioning accuracy is low.
The first aspect of the utility model embodiment provides a kind of rotary transformer detection circuit, rotates transformation with reference
Device, rotary transformer to be tested and motor drive module connection, it is described with reference to rotary transformer, rotary transformer to be tested with
And motor drive module is connected on same motor, the rotary transformer detection circuit includes:
First signal decoder module, the first input and output of the first signal decoder module are terminated at described with reference to rotation
Transformer, the first signal decoder module be configured as generating pumping signal be conveyed to it is described with reference to rotary transformer and by institute
The AC regeneration signal stated with reference to rotary transformer is converted to the first digital signal；
Second signal decoder module, the first input and output of the second signal decoder module are terminated at the rotation to be tested
Change depressor, the second signal decoder module is configured as generation pumping signal and is conveyed to the rotary transformer to be tested simultaneously
The AC regeneration signal of the rotary transformer to be tested is converted into the second digital signal；
First output end of control module, the first input end of the control module and the first signal decoder module connects
It connects, the second input terminal of the control module is connect with the first output end of the second signal decoder module, the control mould
First output of block is terminated at the motor drive module, the control module be configured as according to first digital signal and
The difference output test result of second digital signal.
In one embodiment, the control module includes microprocessor controller and communications module, the micro process control
Device and the communications module both-way communication, the first universal input output end of the microprocessor controller are the control module
First input end, the second universal input output end of the microprocessor controller are the second input terminal of the control module, institute
The first output end for stating communications module is the first output end of the control module.
In one embodiment, the rotary transformer detection circuit further includes display module, and the of the display module
One input terminal is connect with the control module, and the display module is to show testing result.
In one embodiment, the rotary transformer detection circuit further includes operation module, and the of the operation module
One end is connect with the control module, and the second end of the operation module is connect with the display module, and the operation module is used
To set detection parameters.
In one embodiment, the first signal decoder module includes the first decoding unit, the second signal decoding
Module includes the second decoding unit.
In one embodiment, the rotary transformer detection circuit further includes that the first anti-tampering module and second are anti-tampering
Module, the first anti-tampering module are connected between the reference rotary transformer and the first signal decoder module, institute
It states the second anti-tampering module to be connected between the rotary transformer to be tested and the second signal decoder module, described first
Anti-tampering module and the second anti-tampering module are configured as shielding outer signals interference.
The second aspect of the utility model embodiment provides a kind of rotary transformer detection apparatus, rotates transformation with reference
Device, rotary transformer to be detected and motor connection, it is described to be connect with reference to rotary transformer with the rotary transformer to be detected
On the motor, the rotary transformer detection apparatus includes above-mentioned rotary transformer detection circuit and motor driven mould
Block, the input terminal of the motor drive module are connect with the control module, the output end of the motor drive module with it is described
Motor connection, the motor drive module are configured as changing driving signal according to the control signal of the control module, into
And change the running parameter of the motor.
Above-mentioned rotary transformer detection circuit will be connected to reference to rotary transformer with rotary transformer to be tested same
On motor, motor drive module is controlled to control the running parameter of motor by control module, and pass through signal decoder module
The output signal of the output signal of reference rotary transformer and rotary transformer to be tested, which is converted to control module, to be identified
The first digital signal and the second digital signal, judged under the parameter of setting by control module, the first digital signal and second
Whether whether one to show detection rotary transformer to be tested normal for digital signal.
Detailed description of the invention
It, below will be to embodiment or the prior art in order to illustrate more clearly of the technical scheme in the embodiment of the utility model
Attached drawing needed in description is briefly described, it should be apparent that, the accompanying drawings in the following description is only that this is practical new
Some embodiments of type for those of ordinary skill in the art without any creative labor, can be with
It obtains other drawings based on these drawings.
Fig. 1 is the circuit diagram for the rotary transformer detection circuit that an embodiment of the present invention provides；
Fig. 2 is the circuit diagram of the control module of rotary transformer detection circuit shown in FIG. 1；
Fig. 3 is the circuit diagram for the rotary transformer detection circuit that another embodiment of the utility model provides；
Fig. 4 is the circuit diagram for the rotary transformer detection circuit that another embodiment of the utility model provides；
Fig. 5 is the circuit diagram for the rotary transformer detection circuit that another embodiment of the utility model provides.
Specific embodiment
In order to make the purpose of the utility model, technical solutions and advantages more clearly understood, below in conjunction with attached drawing and implementation
Example, the present invention will be further described in detail.It should be appreciated that specific embodiment described herein is only used to explain
The utility model is not used to limit the utility model.
Referring to Fig. 1, the circuit diagram for the rotary transformer detection circuit that the utility model first embodiment provides, is
Convenient for explanation, only the parts related to this embodiment are shown, details are as follows:
In one embodiment, rotary transformer detection circuit and reference rotary transformer 200, rotary transformer to be tested
300 and motor drive module 400 connect, with reference to rotary transformer 200, rotary transformer to be tested 300 and motor driven
Module 400 is connected on motor 100, and motor drive module 400 is configured as the revolving speed of control motor 100, positive and negative rotation direction, angle
The parameters such as degree, motor drive module 400 can be made of electric machine controller, such as V6-H-2D3KW.
Rotary transformer detection circuit includes: the first signal decoder module 500, second signal decoder module 600 and control
Molding block 700.
First signal decoder module 500, second signal decoder module 600 can generate rotary transformer excitation letter by having
Number and the AC signal that rotary transformer is fed back can be converted to the decoding unit of digital signal constitute, such as chip
AU6802N。
Control module 700 is configured as work ginseng of the adjustment with reference to rotary transformer 200 and rotary transformer to be tested 300
Signal and the output of the first input end and the second input terminal of number, control motor drive module 400 and comparison control module 700
Court verdict.
It is understood that the signal of the first input end of control module 700 and the second input terminal, that is, with reference to rotation
The AC signal of the feedback of the AC signal of the feedback of transformer and rotary transformer to be tested is transported to through signal decoder module
The first digital signal and the second digital signal of control module 700, when the first digital signal signal and the second digital signal are consistent
When, that is, it indicates that tested rotary transformer state is normal, when the first digital signal and inconsistent the second digital signal, that is, indicates
There is exception in tested rotary transformer, need subsequent maintenance.
It is understood that the function of rotary transformer is exactly the revolving speed for reacting motor, angle and position etc., utilizing
It, need to be by controlling motor driven when rotary transformer detection circuit in the present embodiment detects rotary transformer to be detected
Module detects revolving speed, the angle etc. in motor full scope in the form of keeping unitary variant, in this way, keeping detection
The accuracy of precision, also, deposit when abnormal when rotary transformer to be detected would know that abnormal point is being, such as angle
It obtains abnormal, speed and obtains exception or position acquisition exception etc..
First input and output of the first signal decoder module 500 are terminated at reference to rotary transformer 200, the decoding of the first signal
First output end of module 500 is connect with control module 700, and the first input and output of second signal decoder module 600 are terminated at
First output of rotary transformer 300 to be tested, second signal decoder module 600 is terminated at control module 700, control module
700 first input end is connect with the first output end of the first signal decoder module 500, the second input terminal of control module 700
It is connect with the first output end of second signal decoder module 600, the first output of control module 700 is terminated at motor drive module
400。
Rotary transformer detection circuit in the present embodiment will be connect with reference to rotary transformer with rotary transformer to be tested
On same motor, motor drive module is controlled to control the running parameter of motor by control module, and pass through signal solution
The output signal of the output signal of reference rotary transformer and rotary transformer to be tested is converted to control module energy by code module
The first digital signal and the second digital signal enough identified, is judged under the parameter of setting, the first digital signal by control module
Whether whether one to show detection rotary transformer to be tested normal with the second digital signal.
Referring to Fig. 2, in one embodiment, control module 700 includes microprocessor controller 701 and communications module 702,
Microprocessor controller 701 can be constituted by having information processing and control function microprocessor, such as Mega64L, communications module
702 can be using the CAN (Controller Area Network, controller local area network) for having data-transformation facility.
Microprocessor controller 701 and 702 both-way communication of communications module, the first universal input of microprocessor controller 701 are defeated
Outlet is the first input end of control module 700, and the second universal input output end of microprocessor controller 701 is control module
700 the second input terminal, the first output end of communications module 702 are the first output end of control module 700.
In the present embodiment, the first digital signal and second that microprocessor controller 701 exports the first decoder module 500
The second digital signal that decoder module 600 exports compares, and comparing result is transferred to communications module 702, by communication mould
Group 702 carries out communication contact with other modules.
Referring to Fig. 3, in one embodiment, rotary transformer detection circuit further includes display module 800, display module
800 first input end is connect with control module 700, and display module 800 is to show testing result.
Referring to Fig. 4, in one embodiment, rotary transformer detection circuit further includes operation module 900, operation module
900 first end is connect with control module 700, and the second end of operation module 700 is connect with display module 800, operation module 900
To set detection parameters.
It is understood that display module 800 and operation module 900 can synthesize a module with can touch screen interface shape
Formula is shown, such as SA-070H.
Referring to Fig. 5, in one embodiment, rotary transformer detection circuit further includes the first anti-tampering 501 He of module
Second anti-tampering module 601.
In one embodiment, the first anti-tampering module 501 and the second anti-tampering module 601 can be extraneous by having shielding
The element of signal is constituted, such as the signal-transmitting cable line with shielded layer, it is to be understood that using the letter with shielded layer
Number transfer wire of the transfer cable wire as rotary transformer and signal decoder module, can be to avoid the same of external signal interference
When electromagnetic field protection in shielded layer.
First anti-tampering module 501 is connected to reference between rotary transformer and the first signal decoder module, and second is anti-dry
Module 502 is disturbed to be connected between rotary transformer to be tested and second signal decoder module.
The utility model second embodiment provides a kind of rotary transformer detection apparatus, with reference rotary transformer 200,
Rotary transformer 300 and motor 100 connection to be detected, connect with reference to rotary transformer 200 with rotary transformer 300 to be detected
On motor 100, rotary transformer detection apparatus includes above-mentioned rotary transformer detection circuit and motor drive module
400, the input terminal of motor drive module 400 is connect with control module 700, the output end and motor 100 of motor drive module 400
Connection, motor drive module 400 are configured as changing driving signal according to the control signal of control module 700, and then change
The running parameter of motor 100.
The above is only the preferred embodiments of the present utility model only, is not intended to limit the utility model, all practical at this
Made any modifications, equivalent replacements, and improvements etc., should be included in the guarantor of the utility model within novel spirit and principle
Within the scope of shield.
Claims (7)
1. a kind of rotary transformer detection circuit, which is characterized in that with reference rotary transformer, rotary transformer to be tested and
Motor drive module connection, it is described to be connected to together with reference to rotary transformer, rotary transformer to be tested and motor drive module
On one motor, the rotary transformer detection circuit includes:
First signal decoder module, the first input and output of the first signal decoder module are terminated at described with reference to rotation transformation
Device, the first signal decoder module be configured as generating pumping signal be conveyed to it is described with reference to rotary transformer and by the ginseng
The AC regeneration signal for examining rotary transformer is converted to the first digital signal；
Second signal decoder module, the first input and output of the second signal decoder module are terminated at the rotation to be tested and become
Depressor, the second signal decoder module, which is configured as generating pumping signal, is conveyed to the rotary transformer to be tested and by institute
The AC regeneration signal for stating rotary transformer to be tested is converted to the second digital signal；
Control module, the first input end of the control module are connect with the first output end of the first signal decoder module,
Second input terminal of the control module is connect with the first output end of the second signal decoder module, the control module
First output is terminated at the motor drive module, and the control module is configured as according to first digital signal and described
The difference output test result of second digital signal.
2. rotary transformer detection circuit as described in claim 1, which is characterized in that the control module includes micro process control
Device processed and communications module, the microprocessor controller and the communications module both-way communication, the first of the microprocessor controller
Universal input output end is the first input end of the control module, the second universal input output end of the microprocessor controller
For the second input terminal of the control module, the first output end of the communications module is the first output of the control module
End.
3. rotary transformer detection circuit as described in claim 1, which is characterized in that it further include display module, the display
The first input end of module is connect with the control module, and the display module is to show testing result.
4. rotary transformer detection circuit as claimed in claim 3, which is characterized in that it further include operation module, the operation
The first end of module is connect with the control module, and the second end of the operation module is connect with the display module, the behaviour
Make module to set detection parameters.
5. rotary transformer detection circuit as described in claim 1, which is characterized in that
The first signal decoder module includes the first decoding unit；
The second signal decoder module includes the second decoding unit.
6. rotary transformer detection circuit as described in claim 1, which is characterized in that further include the first anti-tampering module and
Two anti-tampering modules, the first anti-tampering module are connected to described with reference to rotary transformer and the first signal decoder module
Between, the second anti-tampering module is connected between the rotary transformer to be tested and the second signal decoder module,
The first anti-tampering module and the second anti-tampering module are configured as shielding outer signals interference.
7. a kind of rotary transformer detection apparatus, which is characterized in that with reference rotary transformer, rotary transformer to be detected and
Motor connection, described to be connected on the motor with reference to rotary transformer and the rotary transformer to be detected, the rotation becomes
Depressor detection device includes rotary transformer detection circuit described in any one of claims 1-6 and motor drive module, institute
The input terminal for stating motor drive module is connect with the control module, and the output end of the motor drive module and the motor connect
It connects, the motor drive module is configured as changing driving signal according to the control signal of the control module, and then changes
The running parameter of the motor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821990482.XU CN209372995U (en) | 2018-11-29 | 2018-11-29 | A kind of rotary transformer detection circuit and device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821990482.XU CN209372995U (en) | 2018-11-29 | 2018-11-29 | A kind of rotary transformer detection circuit and device |
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| Publication Number | Publication Date |
|---|---|
| CN209372995U true CN209372995U (en) | 2019-09-10 |
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ID=67834716
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| Application Number | Title | Priority Date | Filing Date |
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| CN201821990482.XU Active CN209372995U (en) | 2018-11-29 | 2018-11-29 | A kind of rotary transformer detection circuit and device |
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| CN (1) | CN209372995U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113295086A (en) * | 2021-05-07 | 2021-08-24 | 恒大新能源汽车投资控股集团有限公司 | Precision testing system of rotary transformer |
-
2018
- 2018-11-29 CN CN201821990482.XU patent/CN209372995U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113295086A (en) * | 2021-05-07 | 2021-08-24 | 恒大新能源汽车投资控股集团有限公司 | Precision testing system of rotary transformer |
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