CN102024314A - Method and device for replacing rotating platform signal slip ring - Google Patents
Method and device for replacing rotating platform signal slip ring Download PDFInfo
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- CN102024314A CN102024314A CN2009101873945A CN200910187394A CN102024314A CN 102024314 A CN102024314 A CN 102024314A CN 2009101873945 A CN2009101873945 A CN 2009101873945A CN 200910187394 A CN200910187394 A CN 200910187394A CN 102024314 A CN102024314 A CN 102024314A
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Abstract
The invention discloses a method and a device for replacing a channel switching signal slip ring. The device comprises a data acquiring and emitting unit and a data receiving and recovering unit; a data acquisition module of the data acquiring and emitting unit acquires an analog signal of a tested platform product, processes the analog signal and outputs a digital signal to a radio frequency emission module; the radio frequency emission module transmits the digital signal to a remote data receiving and recovering unit; a radio frequency receiving module of the data receiving and recovering unit outputs the received digital signal to a data recovering module; and the data recovering module processes the digital signal and outputs the analog signal of the tested platform product. Through the method, the analog signal of the tested platform product is acquired and processed into the digital signal, the digital signal is remotely transmitted and recovered, and the analog signal of the product is output; in the replacement method, the signal acquisition and recovery technology is adopted and the signal quality can be improved; and the replacement device is easy to maintain and the maintenance cost is reduced.
Description
Technical field
The present invention relates to the data acquisition and the data recovery technique of turntable signal, specifically a kind of replacement method and alternative of turntable signal slip ring.
Background technology
Turntable is based on kybernetics, the principle of similitude, systems technology and infotech, utilizes computing machine and special-purpose physical equipment to be instrument, and the specialized equipment of testing table is provided for experiments such as aircraft, Hainan Airlines devices.It has good controllability, security, is not subjected to advantages such as meteorological condition and the restriction of place, spatial domain, is widely used in fields such as Aeronautics and Astronautics, navigation and other national defence.Because there are spin in a lot of tested mechanisms, cause the signal can't normal transmission, the application of conducting slip ring has solved this problem, but conducting slip ring is a mechanical part, has brought the mechanical friction noise in signals transmission; Conducting slip ring self wearing and tearing with regard to having produced the problem of periodic replacement, cause the inconvenience of use, have also increased the cost that equipment uses simultaneously.
Summary of the invention
In order to use turntable to test and debug more smoothly, overcome existing conducting slip ring frictional noise influence and mechanical wear problem, the object of the invention is to provide a kind of replacement method and alternative of turntable signal slip ring.
The technical solution used in the present invention is for achieving the above object: a kind of replacement method of turntable signal slip ring comprises: data acquisition transmitter unit and Data Receiving recovery unit; The simulating signal of the data collecting module collected Luntai test product of described data acquisition transmitter unit, described data acquisition module is exported digital signal to radiofrequency emitting module after treatment with simulating signal, and radiofrequency emitting module is emitted to teledata with digital signal and receives recovery unit; The Receiver Module of described Data Receiving recovery unit exports the digital signal that receives to data recovery module, the simulating signal of output Luntai test product after data recovery module is handled; Realize the collection of simulant signal of Luntai test product and be treated to digital signal by said method, after long-range transmission, digital signal is recovered and exported the simulating signal of Luntai test product again.
A kind of alternative of turntable signal slip ring, comprise: data acquisition module, radiofrequency emitting module, Receiver Module and data recovery module, described data acquisition module links to each other with radiofrequency emitting module, described radiofrequency emitting module communicates to connect by wireless transmission method and Receiver Module, and Receiver Module links to each other with data recovery module; Described data acquisition module inner structure is: the signal input part of the first current signal processing unit links to each other with the Luntai test product and gathers current signal, the input end of the first voltage signal processing unit signal links to each other with the Luntai test product and gathers voltage signal, the signal input part of the first frequency signal processing unit frequency acquisition signal that links to each other with the Luntai test product; The signal output part of the first current signal processing unit links to each other with the digital-to-analog conversion end of first control module, the defeated place end of the first voltage signal processing unit signal links to each other with another digital-to-analog conversion end of first control module, and the signal output part of first frequency signal processing unit links to each other with the external interrupt end of first control module; Described first control module exports digital signal the signal input part of radiofrequency emitting module to through the sorting code number end, and radiofrequency emitting module output digital signal is to the remote radio frequency receiver module; Described data recovery module inner structure is: Receiver Module exports digital signal to the classification decoding end of second control module; The digital-to-analog conversion end of described second control module output current signal that links to each other with the second current signal processing module input end, another digital-to-analog conversion end of described second control module output voltage signal that links to each other with the second voltage signal processing module, the I/O output terminal of described second control module output frequency signal that links to each other with the frequency signal processing module.
The described first current signal processing unit is converted to voltage signal with current signal through the I-V translation circuit, filter noise and voltage signal is amplified to the 3-5 volt through filter amplification circuit, the first current signal processing unit is passed to first control module with the current and voltage signals that obtains through the analog to digital conversion end; Described first voltage signal processing unit obtains driving force preferably through voltage follower earlier with voltage signal, amplify through low multiple prime then, through the secondary amplifier signal is amplified to the 3-5 volt at last, first voltage signal processing unit is passed to first control module with the voltage signal that obtains through the analog to digital conversion end; Described first frequency signal processing unit obtains driving force with frequency signal through voltage follower, remove noise and low multiple amplification through filter amplification circuit then, at last obtain 5 volts square-wave signal through over-voltage comparator, the first frequency signal processing unit is passed to first control module with the frequency voltage signal that obtains through the external interrupt end, first control module obtains time interval T by the time of calculating twice interruption, is obtained the frequency of signal by frequency F=1/T.
First control module exports radiofrequency emitting module to after by its sorting code number end the digital signal of different passages being marked, described sorting code number end carries out Unified coding mark with the signal with different type of each passage collection, and the signal that will have a markup information is packed together and is passed to radiofrequency emitting module.
Second control module is by the signal of classification decoding end received RF receiver module, and second control module is passed to second current signal processing module, the second voltage signal processing module and second frequency signal processing module respectively according to dissimilar, the different passage marks that this signal has.
Described second control module is converted to the analog current voltage signal through digital-to-analog conversion with digitized current and voltage signals and exports second current signal processing module to, conversion becomes this current and voltage signals into current signal through V-I, and second current signal processing module is finished current signal and recovered and output current signal; Described second control module is converted to analog voltage signal through digital-to-analog conversion with digitized voltage signal and exports the second voltage signal processing module to, this analog voltage signal is amplified, the second voltage signal processing module is finished voltage signal and is recovered and output voltage signal again; Described second control module is with numerical frequency voltage signal process timer, and according to T/2 setting interruption, again in interrupt handling routine with the upset of the level of I/O pin, the one-level by the second frequency signal processing module promotes to finish frequency signal and recovers and output frequency signal afterwards.
Described radiofrequency emitting module communicates to connect by carrier frequency and Receiver Module.
The invention has the beneficial effects as follows:
1. replacement method of the present invention can improve signal quality, adopts signals collecting and recovery technology, the noise of having avoided mechanical slip ring in signals transmission, to be produced, thus improved quality of signals.
2. the alternative of replacement of the present invention can reduce cost, be easy to safeguard, adopts the radio-frequency communication technology to replace mechanical slip ring, has changed the operation of periodic replacement slip ring, thereby has reduced maintenance cost and made things convenient for maintenance.
Description of drawings
Fig. 1 is an one-piece construction synoptic diagram of the present invention.
Fig. 2 is a data acquisition transmitter unit synoptic diagram of the present invention.
Fig. 3 is a Data Receiving recovery unit synoptic diagram of the present invention.
Fig. 4 is the present invention's first current processing module circuit diagram.
Fig. 5 is the present invention's first voltage processing module circuit diagram.
Fig. 6 is a first frequency processing module circuit diagram of the present invention.
Fig. 7 is the present invention's second current processing module circuit diagram.
Fig. 8 is the present invention's second voltage processing module circuit diagram.
Fig. 9 is a second frequency processing module circuit diagram of the present invention.
Embodiment
As shown in Figure 1, 2, 3, a kind of replacement method of turntable signal slip ring comprises: data acquisition transmitter unit and Data Receiving recovery unit;
The simulating signal of the data collecting module collected Luntai test product of described data acquisition transmitter unit, described data acquisition module is exported digital signal to radiofrequency emitting module after treatment with simulating signal, and radiofrequency emitting module is emitted to teledata with digital signal and receives recovery unit; The Receiver Module of described Data Receiving recovery unit exports the digital signal that receives to data recovery module, the simulating signal of output Luntai test product after data recovery module is handled; Realize the collection of simulant signal of Luntai test product and be treated to digital signal by said method, after long-range transmission, digital signal is recovered and exported the simulating signal of Luntai test product again.
A kind of alternative of turntable signal slip ring, comprise: data acquisition module, radiofrequency emitting module, Receiver Module and data recovery module, described data acquisition module links to each other with radiofrequency emitting module, described radiofrequency emitting module communicates to connect by wireless transmission method and Receiver Module, and Receiver Module links to each other with data recovery module; Described data acquisition module inner structure is: the signal input part of the first current signal processing unit links to each other with the Luntai test product and gathers current signal, the input end of the first voltage signal processing unit signal links to each other with the Luntai test product and gathers voltage signal, the signal input part of the first frequency signal processing unit frequency acquisition signal that links to each other with the Luntai test product; The signal output part of the first current signal processing unit links to each other with the digital-to-analog conversion end of first control module, the defeated place end of the first voltage signal processing unit signal links to each other with another digital-to-analog conversion end of first control module, and the signal output part of first frequency signal processing unit links to each other with the external interrupt end of first control module; Described first control module exports digital signal the signal input part of radiofrequency emitting module to through the sorting code number end, and radiofrequency emitting module output digital signal is to the remote radio frequency receiver module; Described data recovery module inner structure is: Receiver Module exports digital signal to the classification decoding end of second control module; The digital-to-analog conversion end of described second control module output current signal that links to each other with the second current signal processing module input end, another digital-to-analog conversion end of described second control module output voltage signal that links to each other with the second voltage signal processing module, the I/O output terminal of described second control module output frequency signal that links to each other with the frequency signal processing module.
Shown in Fig. 4,5,6, the described first current signal processing unit is converted to voltage signal with current signal through the I-V translation circuit, filter noise and voltage signal is amplified to the 3-5 volt through filter amplification circuit, the first current signal processing unit is passed to first control module with the current and voltage signals that obtains through the analog to digital conversion end; Described first voltage signal processing unit obtains driving force preferably through voltage follower earlier with voltage signal, amplify through low multiple prime then, through the secondary amplifier signal is amplified to the 3-5 volt at last, first voltage signal processing unit is passed to first control module with the voltage signal that obtains through the analog to digital conversion end; Described first frequency signal processing unit obtains driving force with frequency signal through voltage follower, remove noise and low multiple amplification through filter amplification circuit then, at last obtain 5 volts square-wave signal through over-voltage comparator, the first frequency signal processing unit is passed to first control module with the frequency voltage signal that obtains through the external interrupt end, first control module obtains time interval T by the time of calculating twice interruption, is obtained the frequency of signal by frequency F=1/T.
Described first control module exports radiofrequency emitting module to after by its sorting code number end the digital signal of different passages being marked, described sorting code number end carries out Unified coding mark with the signal with different type of each passage collection, and the signal that will have a markup information is packed together and is passed to radiofrequency emitting module.Present embodiment enters the data acquisition transmitter unit in view of different signals by different passages, so first control module is that the signal that clear collection comes is the signal of which kind of type, encodes with unified coded system for signals dissimilar, different passages.Concrete grammar is, mark with four bytes, preceding two bytes are used for marking the type of signal, aa55 marks voltage signal, 55aa marks current signal, 9966 mark frequency signals, latter two byte is used for marking passage from 0 to 32, markup information and signal message is packed together launch by radiofrequency emitting module then.Described second control module is by the signal of classification decoding end received RF receiver module, and second control module is passed to second current signal processing module, the second voltage signal processing module and second frequency signal processing module respectively according to dissimilar, the different passage marks that this signal has.
Shown in Fig. 7,8,9, described second control module is converted to the analog current voltage signal through digital-to-analog conversion with digitized current and voltage signals and exports second current signal processing module to, conversion becomes this current and voltage signals into current signal through V-I, and second current signal processing module is finished current signal and recovered and output current signal; Described second control module is converted to analog voltage signal through digital-to-analog conversion with digitized voltage signal and exports the second voltage signal processing module to, this analog voltage signal is amplified, the second voltage signal processing module is finished voltage signal and is recovered and output voltage signal again; Described second control module is with digitized frequency signal process timer, and according to T/2 setting interruption, again in interrupt handling routine with the upset of the level of I/O pin, the one-level by the second frequency signal processing module promotes to finish frequency signal and recovers and output frequency signal afterwards.
Described rf transmitter unit communicates to connect by radiofrequency emitting module and rf receiver unit.
Described radiofrequency emitting module communicates to connect by carrier frequency and Receiver Module, and present embodiment is ISM433MHZ.
Claims (6)
1. the replacement method of a turntable signal slip ring is characterized in that, comprising: data acquisition transmitter unit and Data Receiving recovery unit;
The simulating signal of the data collecting module collected Luntai test product of described data acquisition transmitter unit, described data acquisition module is exported digital signal to radiofrequency emitting module after treatment with simulating signal, and radiofrequency emitting module is emitted to teledata with digital signal and receives recovery unit;
The Receiver Module of described Data Receiving recovery unit exports the digital signal that receives to data recovery module, the simulating signal of output Luntai test product after data recovery module is handled;
Realize the collection of simulant signal of Luntai test product and be treated to digital signal by said method, after long-range transmission, digital signal is recovered and exported the simulating signal of Luntai test product again.
2. the alternative of a turntable signal slip ring, it is characterized in that, comprise: data acquisition module, radiofrequency emitting module, Receiver Module and data recovery module, described data acquisition module links to each other with radiofrequency emitting module, described radiofrequency emitting module communicates to connect by wireless transmission method and Receiver Module, and Receiver Module links to each other with data recovery module;
Described data acquisition module inner structure is: the signal input part of the first current signal processing unit links to each other with the Luntai test product and gathers current signal, the input end of the first voltage signal processing unit signal links to each other with the Luntai test product and gathers voltage signal, the signal input part of the first frequency signal processing unit frequency acquisition signal that links to each other with the Luntai test product;
The signal output part of the first current signal processing unit links to each other with the digital-to-analog conversion end of first control module, the defeated place end of the first voltage signal processing unit signal links to each other with another digital-to-analog conversion end of first control module, and the signal output part of first frequency signal processing unit links to each other with the external interrupt end of first control module;
Described first control module exports digital signal the signal input part of radiofrequency emitting module to through the sorting code number end, and radiofrequency emitting module output digital signal is to the remote radio frequency receiver module;
Described data recovery module inner structure is: Receiver Module exports digital signal to the classification decoding end of second control module; The digital-to-analog conversion end of described second control module output current signal that links to each other with the second current signal processing module input end, another digital-to-analog conversion end of described second control module output voltage signal that links to each other with the second voltage signal processing module, the I/O output terminal of described second control module output frequency signal that links to each other with the frequency signal processing module.
3. according to the alternative of the described turntable signal of claim 2 slip ring, it is characterized in that,
The described first current signal processing unit is converted to voltage signal with current signal through the I-V translation circuit, filter noise and voltage signal is amplified to the 3-5 volt through filter amplification circuit, the first current signal processing unit is passed to first control module with the current and voltage signals that obtains through the analog to digital conversion end;
Described first voltage signal processing unit obtains driving force preferably through voltage follower earlier with voltage signal, amplify through low multiple prime then, through the secondary amplifier signal is amplified to the 3-5 volt at last, first voltage signal processing unit is passed to first control module with the voltage signal that obtains through the analog to digital conversion end;
Described first frequency signal processing unit obtains driving force with frequency signal through voltage follower, remove noise and low multiple amplification through filter amplification circuit then, at last obtain 5 volts square-wave signal through over-voltage comparator, the first frequency signal processing unit is passed to first control module with the frequency voltage signal that obtains through the external interrupt end, first control module obtains time interval T by the time of calculating twice interruption, is obtained the frequency of signal by frequency F=1/T.
4. according to the alternative of the described turntable signal of claim 2 slip ring, it is characterized in that,
First control module exports radiofrequency emitting module to after by its sorting code number end the digital signal of different passages being marked, described sorting code number end carries out Unified coding mark with the signal with different type of each passage collection, and the signal that will have a markup information is packed together and is passed to radiofrequency emitting module.
Second control module is by the signal of classification decoding end received RF receiver module, and second control module is passed to second current signal processing module, the second voltage signal processing module and second frequency signal processing module respectively according to dissimilar, the different passage marks that this signal has.
5. according to the alternative of the described turntable signal of claim 2 slip ring, it is characterized in that,
Described second control module is converted to the analog current voltage signal through digital-to-analog conversion with digitized current and voltage signals and exports second current signal processing module to, conversion becomes this current and voltage signals into current signal through V-I, and second current signal processing module is finished current signal and recovered and output current signal;
Described second control module is converted to analog voltage signal through digital-to-analog conversion with digitized voltage signal and exports the second voltage signal processing module to, this analog voltage signal is amplified, the second voltage signal processing module is finished voltage signal and is recovered and output voltage signal again;
Described second control module is with numerical frequency voltage signal process timer, and according to T/2 setting interruption, again in interrupt handling routine with the upset of the level of I/O pin, the one-level by the second frequency signal processing module promotes to finish frequency signal and recovers and output frequency signal afterwards.
6. according to the alternative of the described turntable signal of claim 2 slip ring, it is characterized in that described radiofrequency emitting module communicates to connect by carrier frequency and Receiver Module.
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| CN 200910187394 CN102024314B (en) | 2009-09-16 | 2009-09-16 | Method and device for replacing rotating platform signal slip ring |
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| CN 200910187394 CN102024314B (en) | 2009-09-16 | 2009-09-16 | Method and device for replacing rotating platform signal slip ring |
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| CN102024314B CN102024314B (en) | 2013-03-27 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105759111A (en) * | 2015-10-27 | 2016-07-13 | 中国电力科学研究院 | Wireless voltage follower in power onsite environment |
| CN109374967A (en) * | 2018-11-06 | 2019-02-22 | 华中科技大学 | A kind of detection method and system towards low reactance-resistance ratio SAW magnetoelectric transducer resonance frequency |
| CN112563842A (en) * | 2019-01-31 | 2021-03-26 | 上海微小卫星工程中心 | Simulation method for data transmission of conductive slip ring |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1619245A (en) * | 2003-06-29 | 2005-05-25 | 胡炳坤 | Rotary kiln temperature pressure signal transmission device |
| CN101319913A (en) * | 2008-07-23 | 2008-12-10 | 上海亨通光电科技有限公司 | Wireless data acquisition method of optical fiber gyroscope |
| CN201556285U (en) * | 2009-09-16 | 2010-08-18 | 中国科学院沈阳自动化研究所 | Replaceable device for turn-table signal slip ring |
-
2009
- 2009-09-16 CN CN 200910187394 patent/CN102024314B/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105759111A (en) * | 2015-10-27 | 2016-07-13 | 中国电力科学研究院 | Wireless voltage follower in power onsite environment |
| CN109374967A (en) * | 2018-11-06 | 2019-02-22 | 华中科技大学 | A kind of detection method and system towards low reactance-resistance ratio SAW magnetoelectric transducer resonance frequency |
| CN109374967B (en) * | 2018-11-06 | 2020-05-19 | 华中科技大学 | Detection method and system for resonant frequency of low-Q-value SAW (surface Acoustic wave) magnetoelectric sensor |
| CN112563842A (en) * | 2019-01-31 | 2021-03-26 | 上海微小卫星工程中心 | Simulation method for data transmission of conductive slip ring |
| CN112563842B (en) * | 2019-01-31 | 2022-07-26 | 上海微小卫星工程中心 | Simulation method for data transmission of conductive slip ring |
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