CN205879109U - Electromagnetic coupling synthesizes detecting device - Google Patents
Electromagnetic coupling synthesizes detecting device Download PDFInfo
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- CN205879109U CN205879109U CN201620657394.2U CN201620657394U CN205879109U CN 205879109 U CN205879109 U CN 205879109U CN 201620657394 U CN201620657394 U CN 201620657394U CN 205879109 U CN205879109 U CN 205879109U
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Abstract
The utility model discloses an electromagnetic coupling synthesizes detecting device, including an angle sensor, angle sensor is by the rotor circuit board, stator circuit board and signal processing chip constitute, be equipped with tickler on the rotor circuit board, be equipped with exciting coil and receiving coil on the stator circuit board, tickler and receiving coil diameter of the inner circle are 8mm, tickler and receiving coil outside diameter are 22mm, exciting coil comprises each 6 circle circular coil end -to -end connection of tow sides, the tickler live width is 1.5mm, signal processing chip includes the EEPROM memory, a plurality of RC wave filters, the sample and hold amplifier, the low noise instrument amplifier, variable gain amplifier, analog to digital converter, digital circuit and angle decoding circuit. The utility model provides precision that high detecting device angle was surveyed, extend test range, had simple structure, honest and clean, the whole accuracy height of low in manufacturing cost and the strong characteristics of interference killing feature.
Description
Technical field
This utility model relates to detecting device technique field, particularly to a kind of electromagnetic coupled comprehensive survey device.
Background technology
Detection device is used for detecting various environmental data, generally uses angular transducer for angle detection sensing, its quilt
It is widely used in the fields such as industrial automation, automobile, space flight, navigation, is used for detecting all kinds of environmental data, is broadly divided into and connects
Touch and contactless two classes, relative touch sensor, there is not the environmental requirement of machinery, particularly in noncontacting proximity sensor
Electromagnetic sensor has the advantages such as cost is relatively low, easy to maintenance.But for traditional electromagnetic induction angular transducer, one
As based on Hall effect, realize angle detection by the interaction of permanent magnet Yu Hall element, it is generally required to arrange multiple points
, such as contact hole number etc. on N ring in Hall element number, integrated circuit on the number of teeth of working rotary table, circumference, there is structure in angle value
The defect that relatively complicated, manufacturing cost is of a relatively high, there is also simultaneously and is vulnerable to environmental disturbances and causes detection data deviation occur
Problem.
Utility model content
The purpose of this utility model is to solve above-mentioned deficiency, it is provided that a kind of electromagnetic coupled comprehensive survey device, improves and visits
Survey design factors detection precision, expanded investigative range, there is simple in construction, cheap for manufacturing cost, overall accuracy is high and
The feature that capacity of resisting disturbance is strong.
This utility model is solved the technical problem that to realize by the following technical solutions:
A kind of electromagnetic coupled comprehensive survey device, including an angular transducer, described angular transducer by rotor circuit plate,
Stator circuit plate and signal processing chip are constituted, and described rotor circuit plate is provided with feedback coil, described stator circuit plate sets
There are excitation coil and receiving coil, described feedback coil and the described a diameter of 8mm of receiving coil inner circle, described feedback coil and institute
Stating receiving coil outside diameter is 22mm, and described excitation coil is connected and composed by each 6 circle circular coil head and the tail of tow sides, described
Feedback coil live width is 1.5mm, and described signal processing chip includes that eeprom memory, some RC wave filter, some samplings are protected
Hold amplifier, low noise instrument amplifier, variable gain amplifier, analog-digital converter, digital circuit and angle decoding electricity
Road, described eeprom memory is used for initial configuration and data acquisition process, and some described RC wave filter are adopted described in some
Sample hold amplifier is connected with switch each other, and described RC wave filter completes filtering, and described Digital Circuit Control controls institute
Selecting main line signal to input to sample/hold amplifier if stating switch, sample/hold amplifier is input to low noise with difference form
In sound instrument amplifier, complete signal by variable gain amplifier and amplify, complete analog digital conversion through analog-digital converter
Inputting to angle decoding circuit, angle decoding circuit is eventually converted into angle value.
In described excitation coil, each circular coil diameter is between 26mm～34mm.
Also include in described signal processing chip that an oscillating circuit, described oscillating circuit and described excitation coil constitute a LC
Agitator, described LC agitator is used for providing pumping signal.
Described LC agitator frequency of oscillation is 3.3MHz.
Described RC wave filter quantity is three.
Described sample/hold amplifier quantity is two.
This utility model compared with prior art has following outstanding advantages and effect: this utility model uses without indexing knot
Structure, using the alternating signal of oscillating circuit generation as pumping signal, by the sensing caused by mutual inductance change between inductance
The change of signal power realizes angle detection, also reduces the noise and non-linear that analog circuit introduces simultaneously, improves whole dress
The detection accuracy put, extends investigative range, strengthens Anti-interference Design, has simple in construction, essence cheap for manufacturing cost, overall
The feature that exactness is high and capacity of resisting disturbance is strong.
Feature of the present utility model see graphic and the most preferably embodiment the detailed description of this case and obtains clear
Ground is understood.
Accompanying drawing explanation
Fig. 1 is the overall structure schematic diagram of embodiment of the present utility model.
Detailed description of the invention
For the technological means making this utility model realize, creation characteristic, reach purpose and be easy to understand with effect, under
Face combines and is specifically illustrating, and this utility model is expanded on further.
As it is shown in figure 1, a kind of electromagnetic coupled comprehensive survey device that this utility model provides, including an angular transducer,
Angular transducer is made up of rotor circuit plate 1, stator circuit plate 2 and signal processing chip 3, and rotor circuit plate 1 is provided with feedback
Coil 11, stator circuit plate 2 is provided with excitation coil 22 and receiving coil 21, feedback coil 11 and circular diameter in receiving coil 21
For 8mm, feedback coil 11 and receiving coil 21 outside diameter are 22mm, and feedback coil 11 live width is 1.5mm, excitation coil 22 by
The each 6 circle circular coil head and the tail of tow sides connect and compose, and in excitation coil 22, each circular coil diameter is between 26mm～34mm,
Signal processing chip 3 includes eeprom memory 302, some RC wave filter 303, some sample/hold amplifiers 305, low noise
Instrument amplifier 306, variable gain amplifier 310, analog-digital converter 309, digital circuit 307 and angle decoding circuit
308, eeprom memory 302 keeps with some samplings for initial configuration and data acquisition process, some RC wave filter 303
Amplifier 305 is connected with switch 304 each other, and RC wave filter 303 completes filtering, and digital circuit 307 controls switch
If selecting main line signal to input to sample/hold amplifier 305, sample/hold amplifier 305 is input to low noise with difference form
In sound instrument amplifier 306, complete signal by variable gain amplifier 310 and amplify, complete through analog-digital converter 309
Analog digital conversion inputs to angle decoding circuit 308, and angle decoding circuit 308 is eventually converted into angle value, signal processing chip 3
The most also including that an oscillating circuit 301, oscillating circuit 301 and excitation coil 22 constitute a LC agitator 4, LC agitator 4 is used for carrying
For pumping signal, LC agitator 4 frequency of oscillation is 3.3MHz, and feedback coil 11 will produce corresponding faradism by pumping signal
Stream, produces corresponding electromagnetic field simultaneously and acts on again receiving coil 21, affect receiving coil 21 potential change.
Further, this utility model is by optimizing, and wherein RC wave filter 303 quantity is three, sample/hold amplifier 305
Quantity is two, has best of breed configuration, selects wherein two paths of signals by switch 304 under the control of digital circuit 307
Enter in sample/hold amplifier 305, and be input in low noise instrument amplifier 306 with difference form, to eliminate common mode letter
The impact of number machine external disturbance, carry out an angle evaluation needs to gather, process 3 data every time, and 3 data can be led to respectively
Crossing 3 groups of switches 304 acquisition, whole process uses pipeline organization, accelerates conversion speed.
This utility model is when rotor circuit plate 1 rotates, and feedback coil 11 becomes with the relative position of receiving coil 21
Changing, mutual inductance changes the most therewith, and receiving coil 21 produced induced signal power changes with angle, passes through signal processing
Chip 3 detection sensor signal amplitude information, thus perception angle information.
This utility model uses without indexing structure, using the alternating signal of oscillating circuit 301 generation as pumping signal, passes through
Between inductance, the induced signal power change caused by mutual inductance change realizes angle detection, also reduces analog circuit simultaneously
The noise and non-linear introduced, improves the detection accuracy of whole device, extends investigative range, strengthen Anti-interference Design,
There is simple in construction, the feature that cheap for manufacturing cost, overall accuracy is high and capacity of resisting disturbance is strong.
Of the present utility model ultimate principle and principal character and of the present utility model advantage have more than been shown and described.One's own profession
Skilled person will appreciate that of industry, this utility model is not restricted to the described embodiments, described in above-described embodiment and description
Principle of the present utility model is simply described, on the premise of without departing from this utility model spirit and scope, this utility model is also
Have various changes and modifications, in the range of these changes and improvements both fall within claimed this utility model, this utility model
Claimed scope is defined by appending claims and equivalent thereof.
Claims (6)
1. an electromagnetic coupled comprehensive survey device, including an angular transducer, it is characterised in that: described angular transducer is by turning
Sub-circuit board, stator circuit plate and signal processing chip are constituted, and described rotor circuit plate is provided with feedback coil, described stator electricity
Road plate is provided with excitation coil and receiving coil, described feedback coil and the described a diameter of 8mm of receiving coil inner circle, described feedback
Coil and described receiving coil outside diameter are 22mm, and described excitation coil is connected by each 6 circle circular coil head and the tail of tow sides
Constituting, described feedback coil live width is 1.5mm, if described signal processing chip includes eeprom memory, some RC wave filter
Dry sample/hold amplifier, low noise instrument amplifier, variable gain amplifier, analog-digital converter, digital circuit and angle
Degree decoding circuit, described eeprom memory be used for initial configuration and data acquisition process, if some described RC wave filter with
Dry described sample/hold amplifier is connected with switch each other, and described RC wave filter completes filtering, described digital circuit control
Selecting main line signal to input to sample/hold amplifier if system controls described switch, sample/hold amplifier is defeated with difference form
Enter in low noise instrument amplifier, complete signal by variable gain amplifier and amplify, complete through analog-digital converter
Analog digital conversion inputs to angle decoding circuit, and angle decoding circuit is eventually converted into angle value.
A kind of electromagnetic coupled comprehensive survey device the most according to claim 1, it is characterised in that: each in described excitation coil
Circular coil diameter is between 26mm～34mm.
A kind of electromagnetic coupled comprehensive survey device the most according to claim 1, it is characterised in that: described signal processing chip
The most also including that an oscillating circuit, described oscillating circuit and described excitation coil constitute a LC agitator, described LC agitator is used for
Pumping signal is provided.
A kind of electromagnetic coupled comprehensive survey device the most according to claim 3, it is characterised in that: described LC agitator vibrates
Frequency is 3.3MHz.
A kind of electromagnetic coupled comprehensive survey device the most according to claim 1, it is characterised in that: described RC wave filter quantity
It it is three.
A kind of electromagnetic coupled comprehensive survey device the most according to claim 1, it is characterised in that: described sampling keeps amplifying
Device quantity is two.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620657394.2U CN205879109U (en) | 2016-06-27 | 2016-06-27 | Electromagnetic coupling synthesizes detecting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620657394.2U CN205879109U (en) | 2016-06-27 | 2016-06-27 | Electromagnetic coupling synthesizes detecting device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205879109U true CN205879109U (en) | 2017-01-11 |
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ID=57692842
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620657394.2U Expired - Fee Related CN205879109U (en) | 2016-06-27 | 2016-06-27 | Electromagnetic coupling synthesizes detecting device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205879109U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109225661A (en) * | 2018-11-08 | 2019-01-18 | 沈阳工程学院 | A kind of flotation device process control equipment and control method |
| CN109854167A (en) * | 2019-01-03 | 2019-06-07 | 中国石油集团长城钻探工程有限公司 | Wireless winch sensor |
| CN113326944A (en) * | 2021-01-27 | 2021-08-31 | 腾讯科技（深圳）有限公司 | Quantum circuit and quantum processor |
-
2016
- 2016-06-27 CN CN201620657394.2U patent/CN205879109U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109225661A (en) * | 2018-11-08 | 2019-01-18 | 沈阳工程学院 | A kind of flotation device process control equipment and control method |
| CN109225661B (en) * | 2018-11-08 | 2023-09-22 | 沈阳工程学院 | Flotation machine process control device and control method |
| CN109854167A (en) * | 2019-01-03 | 2019-06-07 | 中国石油集团长城钻探工程有限公司 | Wireless winch sensor |
| CN113326944A (en) * | 2021-01-27 | 2021-08-31 | 腾讯科技（深圳）有限公司 | Quantum circuit and quantum processor |
| CN113326944B (en) * | 2021-01-27 | 2022-03-25 | 腾讯科技（深圳）有限公司 | Quantum circuit and quantum processor |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170111 Termination date: 20170627 |