CN106253015A - A kind of conducting slip ring and signal control method - Google Patents
A kind of conducting slip ring and signal control method Download PDFInfo
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- CN106253015A CN106253015A CN201610768735.8A CN201610768735A CN106253015A CN 106253015 A CN106253015 A CN 106253015A CN 201610768735 A CN201610768735 A CN 201610768735A CN 106253015 A CN106253015 A CN 106253015A
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- signal
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- slip ring
- transmission
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R39/00—Rotary current collectors, distributors or interrupters
- H01R39/02—Details for dynamo electric machines
- H01R39/08—Slip-rings
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Abstract
This application discloses a kind of conducting slip ring and signal control method, described conducting slip ring, comprise rotating part and housing department, the outer surface of described rotating part is provided with at least one dynamic LED and at least one dynamic photosensitive tube；The inner surface of described housing department is provided with at least one quiet LED and at least one quiet photosensitive tube.The application also comprises control circuit, and described signal control circuit comprises LED drive unit, photosensitive driver element, detection and control unit, reception switch, sends switch, signal bus.The signal control method of the present invention, circular test sends signal and opens road and receive signal path, is controlled according to the state that reception switch and transmission are switched by reception signal and the state sending signal.Use conducting slip ring of the present invention and signal control method, it is to avoid physical contact, need not safeguard, improve the life-span, avoid intermittent disconnection of signal.
Description
Technical field
The application relates to power domain, particularly relates to a kind of conducting slip ring and signal control method.
Background technology
In wind power generation field, conducting slip ring is a kind of rotary part and maintains static the connection transmitting signal between parts
Device, this attachment means has insecure problem after a long time use, often results in connection signal moment flash, the most again
Oneself recovers, though looking unimportant, the problem brought is very serious, communication abnormal, frequently results in whole wind-force
Electricity generation system is restarted, and sometimes also results in yaw system and mistake occurs, and these all can largely effect on the normal of wind-driven generator and send out
Electricity, What is more can cause the damage of electromotor.Electric power slip ring in the market is for being exactly one for whole electromotor
Planting consumptive material, be required for every year cleaning, within every 2 to three years, will change, the life-span is short.
Summary of the invention
The present invention provides a kind of conducting slip ring and signal control method, in order to solve prior art connects intermittent disconnection of signal and
The problem that life-span is short.
The embodiment of the present application provides a kind of conducting slip ring, comprises rotating part and housing department, the outer surface peace of described rotating part
Equipped with at least one dynamic LED and at least one dynamic photosensitive tube；The inner surface of described housing department is provided with at least one quiet LED
With at least one quiet photosensitive tube；At least one described quiet photosensitive tube is for receiving the light that at least one described dynamic LED sends；Extremely
A few described dynamic photosensitive tube is for receiving the light that at least one described quiet LED sends.
The embodiment optimized as the present invention, described dynamic LED and described dynamic photosensitive tube are along described rotating part outer surface circle
Circumferential direction is alternately distributed.
The solution of the present invention, for improving traditional conducting slip ring, has at least one circumferentially at described rotating part outer surface
The groove in direction；Described dynamic LED is installed in groove described at least one；It is provided with described dynamic in groove described at least one
Photosensitive tube.
The embodiment optimized further as the present invention, receives for beneficially optical signal, at the inner surface of described housing department
It is fixed with at least one light-strip；Described light-strip is along the circumferential direction conformal with the inner surface of described housing department；Described light-strip
Cross section be U-shaped, the opening of described U-shaped cross-section is towards described rotating part outer surface, the bottom of described U-shaped cross-section and institute
State the fixing connection of inner surface of housing department；In at least one described light-strip, described quiet LED is installed；Described at least one
In light-strip, described quiet photosensitive tube is installed；Described rotary body, when unspecified angle, is provided with at least the one of described quiet photosensitive tube
The U-shaped cross-section opening of individual described light-strip covers at least one described dynamic LED on described rotary body outer surface；Install
The U-shaped cross-section opening of at least one the described light-strip stating quiet LED covers at least one institute on described rotary body outer surface
State photosensitive tube.
The embodiment optimized further as the present invention program, described light-strip is axially distributed multiple；Described lead
Rhizoma Dioscoreae (peeled) is circumferentially distributed multiple.
The solution of the present invention also comprises control circuit；Described control circuit comprise LED drive unit, photosensitive driver element,
Detection and control unit, reception switch, transmission switch, signal bus；Described signal bus, is used for carrying transmission signal and reception
Signal；Described LED drive unit, is used for amplifying described transmission signal, makes described dynamic LED or quiet LED luminous；Described photosensitive
Driver element, for receiving the output electric current of described dynamic photosensitive tube or quiet photosensitive tube, produces described reception signal；Described reception is opened
Pass is connected between described signal bus and described photosensitive driver element, receives signal path for Guan Bi or disconnection；Described
Send switch to be connected between described signal bus and described LED drive unit, send signal path for Guan Bi or disconnection；Described
Detection and control unit, for detecting transmission signal and the reception signal of photosensitive driver element output of signal bus output, and
Controlling described transmission switch according to testing result and receive switch: when having described transmission signal, described transmission switch closes, simultaneously
Described reception switches off；When having described reception signal, described reception switch Guan Bi, the most described transmission switch off.
Embodiments of the invention also provide for the signal control method of a kind of conducting slip ring, sliding for conduction of the present invention
Ring, comprises the steps of
Step 1, system electrification, send switch and reception switch is off-state, cycle detection transmission path and reception
Path, when finding then to forward step 4 to when receiving path has signal, when finding then to forward step 2 to when transmission path has signal；
Step 2, transmission switch Guan Bi, receive switch and remain off；Detect transmission path in real time, when transmission path is believed
Number disappear time then forward step 3 to；
Step 3, transmission switch and reception on off state are constant, detect transmission path in real time, when transmission path has signal
Return step 2；If detection transmission path no signal persistent period overstepping the time limit, then forward step 1 to；
Step 4, transmission switch off, and receive switch and are kept closed；Detect receiving path in real time, when receiving path is believed
Number disappear time then forward step 5 to；
Step 5, transmission switch and reception on off state are constant, detect receiving path in real time, when receiving path has signal
Return step 4, if detection receiving path no signal persistent period overstepping the time limit, then forward step 1 to.
At least one technical scheme above-mentioned that the embodiment of the present application uses can reach following beneficial effect: avoids signal wink
Break, need not safeguard, improve the life-span.Especially, the design uses and communications portion in slip ring is replaced by photovoltaic, original
Communication wire casing on increase LED and photosensitive tube, for the transmitting-receiving communication of data, it is to avoid rotating part and shell in legacy equipment
The physical contact in portion；The light-strip that slip ring housing department increases, the U-lag structure of light-strip it can be avoided that the light that sends of LED to
Outward leakage, and the light making LED send guides photosensitive tube by multiple reflections in U-lag structure, it is to avoid on circumferencial direction
Blind area.
Accompanying drawing explanation
Accompanying drawing described herein is used for providing further understanding of the present application, constitutes the part of the application, this Shen
Schematic description and description please is used for explaining the application, is not intended that the improper restriction to the application.In the accompanying drawings:
The rotating part schematic diagram of a kind of conducting slip ring that Fig. 1 provides for the embodiment of the present application；
LED and photosensitive tube distribution schematic diagram in a kind of conducting slip ring that Fig. 2 provides for the embodiment of the present application；
The light-strip distribution schematic diagram of a kind of conducting slip ring that Fig. 3 provides for the embodiment of the present application；
The light-guiding strip structure schematic diagram of a kind of conducting slip ring that Fig. 4 provides for the embodiment of the present application；
A kind of conducting slip ring overall schematic that Fig. 5 provides for the embodiment of the present application；
Fig. 6 is the application one conducting slip ring entirety schematic perspective view；
Fig. 7 is the application conducting slip ring signal control circuit figure；
Fig. 8 is an embodiment of the application conducting slip ring signal control circuit；
The signal control method flow chart that Fig. 9 provides for the embodiment of the present application.
Detailed description of the invention
For making the purpose of the application, technical scheme and advantage clearer, below in conjunction with the application specific embodiment and
Technical scheme is clearly and completely described by corresponding accompanying drawing.Obviously, described embodiment is only the application one
Section Example rather than whole embodiments.Based on the embodiment in the application, those of ordinary skill in the art are not doing
Go out the every other embodiment obtained under creative work premise, broadly fall into the scope of the application protection.
In the whole embodiment of the present invention, it is installed on LED and the photosensitive tube of rotating part outer surface, due in working order
Under, keep kinestate because of the motion of rotating part, be therefore called " dynamic LED " and " dynamic photosensitive tube ".It is installed on shell
The LED in portion and photosensitive tube, static owing to being in down, it is called " quiet LED " and " quiet photosensitive tube ".
The rotating part schematic diagram of a kind of conducting slip ring that Fig. 1 provides for the embodiment of the present application.The outer surface of described rotating part 1
At least one dynamic LED 11 and at least one dynamic photosensitive tube 12 are installed；The solution of the present invention is sliding for improving traditional conduction
Ring, has at least one groove 10 along the circumferential direction at described rotating part outer surface；Install in groove described at least one
State LED 11；Described dynamic photosensitive tube 12 is installed in groove described at least one.
LED and photosensitive tube distribution schematic diagram in a kind of conducting slip ring that Fig. 2 provides for the embodiment of the present application.Described dynamic
LED 11 and described dynamic photosensitive tube 12 are alternately distributed along described rotating part outer surface circumferencial direction.Dynamic LED and dynamic photosensitive tube
Quantity can also is that multiple, such as the distribution in Fig. 2, is along the circumferential direction respectively arranged with two dynamic LED 11 and dynamic photosensitive tube 12, alternately
Arrangement.
Dynamic LED and the increasing number of dynamic photosensitive tube, provide the benefit that reduction blind area.
The light-guiding strip structure schematic diagram of a kind of conducting slip ring that Fig. 3 provides for the embodiment of the present application.One is entered as the present invention
The embodiment that step optimizes, receives for beneficially optical signal, and the inner surface 20 at described housing department 2 is fixed with at least one light-strip
3；Described light-strip is along the circumferential direction conformal with the inner surface of described housing department；Described light-strip is a U-lag structure, cross section
For U-shaped, the opening 31 of described U-shaped cross-section towards described rotating part outer surface, the bottom 32 of described U-shaped cross-section with described outside
The inner surface 20 in shell portion is fixing to be connected.In at least one described light-strip, described quiet LED 21 is installed；Described at least one
In light-strip, described quiet photosensitive tube 22 is installed.In Fig. 3, left figure is shown that the state that light-strip 3 is connected with housing department 2, its
Housing portion intercepts a part；Right figure eliminates housing department, exemplarily, in described light-strip, is provided with described quiet LED
21。
The light-strip distribution schematic diagram of a kind of conducting slip ring that Fig. 4 provides for the embodiment of the present application, electric power slip ring housing department
Inner surface is fixed with the light-strip of two semi-annular shapes at circumferencial direction.In one of them light-strip, be provided with at least one quiet
LED；In other in which light-strip, at least one quiet photosensitive tube is installed.
A kind of conducting slip ring overall schematic that Fig. 5 provides for the embodiment of the present application.The outer surface of described rotating part is installed
There are at least one dynamic LED and at least one dynamic photosensitive tube；The inner surface of described housing department be provided with at least one quiet LED and
At least one quiet photosensitive tube；At least one described quiet photosensitive tube is for receiving the light that at least one described dynamic LED sends；At least
One described dynamic photosensitive tube is for receiving the light that at least one described quiet LED sends.
When the inner surface of housing department has light-strip, described quiet LED and quiet photosensitive tube are installed in described light-strip.Institute
Stating rotary body when unspecified angle, the U-shaped cross-section opening of at least one the described light-strip being provided with described quiet photosensitive tube covers
Cover at least one described dynamic LED on described rotary body outer surface；At least one described light-strip of described quiet LED is installed
U-shaped cross-section opening cover at least one described dynamic photosensitive tube on described rotary body outer surface.
Fig. 6 is the application one conducting slip ring overall schematic, clear in order to represent, eliminates housing department in figure.As
The embodiment that the present invention program optimizes further, described light-strip be axially distributed can have multiple；Described light-strip along
Circumferencial direction distribution can also have multiple.Figure only represents axial distribution only one of which light-strip, along the circumferential direction has two
The embodiment of light-strip.When described rotary body outer surface is fluted, described dynamic LED and dynamic photosensitive tube are installed in groove
In；The U-shaped cross-section opening of described light-strip is relative with groove location.When traditional conducting slip ring is improved, in rotation
The sliding tray (the most described groove) of transfer part outer surface is internal adds LED (the most described dynamic LED) and photosensitive tube (the most described dynamic light
Quick pipe), the light-strip of two semi-annular shapes is increased at slip ring housing department inner surface circumferencial direction.
When embodiments of the invention exist light-strip, have the beneficial effects that, the U-lag structure of light-strip it can be avoided that
The light that (dynamic and static) LED sends is to outward leakage, and the light making (dynamic and static) LED send passes through the most anti-in U-lag structure
Penetrate guiding (dynamic and static) photosensitive tube, it is to avoid the blind area on circumferencial direction.
Fig. 7 is the application conducting slip ring signal control circuit figure.The solution of the present invention comprises control circuit；Described control electricity
Road comprises photosensitive driver element 41, LED drive unit 42, receives switch 43, transmission switch 44, detection and control unit 45, letter
Number bus 46；Described signal bus, is used for carrying transmission signal S and receiving signal R；Described LED drive unit connects described dynamic
LED (or quiet LED), is used for amplifying described transmission signal, makes described dynamic LED (or quiet LED) luminous；Described photosensitive drive
Moving cell connects described dynamic photosensitive tube (or quiet photosensitive tube), is used for receiving the output electricity of described dynamic photosensitive tube (or quiet photosensitive tube)
Stream, produces described reception signal；Described reception switch is connected between described signal bus and described photosensitive driver element, is used for
Guan Bi or disconnection receive signal path；Described transmission switch is connected between described signal bus and described LED drive unit, uses
Signal path is sent in Guan Bi or disconnection；Described detection and control unit, for detect signal bus output transmission signal S and
The reception signal R of photosensitive driver element output, and control described transmission switch according to testing result and receive switch；Described signal
When bus has transmission signal, send switch Guan Bi, simultaneously reception and switch off；When described photosensitive driver element has reception signal,
Receive switch Guan Bi, simultaneously transmission to switch off.
Specifically, when conducting slip ring works, the control circuit of the present invention can serve as internal control circuit (rotating part)
With external control circuit (housing department).The quiet photosensitive tube that the dynamic LED of internal control circuit connection and external control circuit connect,
Realize data respectively to send.When signal sends, dynamic LED is lighted by internal control circuit by LED drive unit.Quiet photosensitive
Pipe receives photosensitive information, by the photosensitive driver element of external control circuit, and recovering signal by the letter of external control circuit
Number bus sends.On the contrary, the dynamic photosensitive tube that the quiet LED of external control circuit connection and internal control circuit connect, real
Existing data receiver.When signal receives, quiet LED is lighted by external control circuit by LED drive unit.Dynamic photosensitive tube receives
Photosensitive information, by the photosensitive driver element of internal control circuit, recovering signal by the signal bus of internal control circuit
Reception is come in.
In the circuit of Fig. 8, described signal bus 46 is differential bus；Described receiving path comprises reception converting unit
47, for the signal that photosensitive driver element exports is converted to differential signal；Described transmission path comprises transmission converting unit 48,
For differential signal being converted to the input signal of LED drive unit.
The signal control method flow chart that Fig. 9 provides for the embodiment of the present application.Comprise the steps of
Step 1, system electrification, send switch and reception switch is off-state, cycle detection transmission path and reception
Path, when finding then to forward step 4 to when receiving path has signal, when finding then to forward step 2 to when transmission path has signal；
Step 2, sends switch Guan Bi, receives switch and remains off；Detect transmission path in real time, when transmission path is believed
Number disappear time then forward step 3 to；
Step 3, sends switch and reception on off state is constant, detects transmission path in real time, when transmission path has signal
Return step 2；If detection transmission path no signal persistent period overstepping the time limit, then forward step 1 to；
Step 4, transmission switches off, and receives switch and is kept closed；Detect receiving path in real time, when receiving path is believed
Number disappear time then forward step 5 to；
Step 5, sends switch and reception on off state is constant, detects receiving path in real time, when receiving path has signal
Return step 4, if detection receiving path no signal persistent period overstepping the time limit, then forward step 1 to.
In Fig. 5, T1, T2 are with or without data mode, implication such as following table
| There are data | No data | |
| T1 (receiving path test point) | 1 | 0 |
| T2 (transmission path test point) | 1 | 0 |
The described time limit is relevant with communication interface, and communication interface standard defines the bit number once receiving and sending, according to
Bit rate determines the time span of wait, the most described time limit.Usual 485 communication interfaces pass the signal of 9.6k speed, each 8 ratios
Spy, an additional check bit, as an embodiment of signal control method of the present invention, time described, it is limited to 1ms.
Those skilled in the art are it should be appreciated that embodiments of the invention can be provided as method, system or computer program
Product.Therefore, the reality in terms of the present invention can use complete hardware embodiment, complete software implementation or combine software and hardware
Execute the form of example.And, the present invention can use at one or more computers wherein including computer usable program code
The upper computer program product implemented of usable storage medium (including but not limited to disk memory, CD-ROM, optical memory etc.)
The form of product.
The present invention is with reference to method, equipment (system) and the flow process of computer program according to embodiments of the present invention
Figure and/or block diagram describe.It should be understood that can the most first-class by computer program instructions flowchart and/or block diagram
Flow process in journey and/or square frame and flow chart and/or block diagram and/or the combination of square frame.These computer programs can be provided
Instruction arrives the processor of general purpose computer, special-purpose computer, Embedded Processor or other programmable data processing device to produce
A raw machine so that the instruction performed by the processor of computer or other programmable data processing device is produced for real
The device of the function specified in one flow process of flow chart or multiple flow process and/or one square frame of block diagram or multiple square frame now.
These computer program instructions may be alternatively stored in and computer or other programmable data processing device can be guided with spy
Determine in the computer-readable memory that mode works so that the instruction being stored in this computer-readable memory produces and includes referring to
Make the manufacture of device, this command device realize at one flow process of flow chart or multiple flow process and/or one square frame of block diagram or
The function specified in multiple square frames.
These computer program instructions also can be loaded in computer or other programmable data processing device so that at meter
Perform sequence of operations step on calculation machine or other programmable devices to produce computer implemented process, thus at computer or
The instruction performed on other programmable devices provides for realizing at one flow process of flow chart or multiple flow process and/or block diagram one
The step of the function specified in individual square frame or multiple square frame.
In a typical configuration, calculating equipment includes one or more processor (CPU), input/output interface, net
Network interface and internal memory.
Internal memory potentially includes the volatile memory in computer-readable medium, random access memory (RAM) and/or
The forms such as Nonvolatile memory, such as read only memory (ROM) or flash memory (flash RAM).Internal memory is computer-readable medium
Example.
Computer-readable medium includes that removable media permanent and non-permanent, removable and non-can be by any method
Or technology realizes information storage.Information can be computer-readable instruction, data structure, the module of program or other data.
The example of the storage medium of computer includes, but are not limited to phase transition internal memory (PRAM), static RAM (SRAM), moves
State random access memory (DRAM), other kinds of random access memory (RAM), read only memory (ROM), electric erasable
Programmable read only memory (EEPROM), fast flash memory bank or other memory techniques, read-only optical disc read only memory (CD-ROM),
Digital versatile disc (DVD) or other optical storage, magnetic cassette tape, the storage of tape magnetic rigid disk or other magnetic storage apparatus
Or any other non-transmission medium, can be used for the information that storage can be accessed by a computing device.According to defining herein, calculate
Machine computer-readable recording medium does not include temporary computer readable media (transitory media), such as data signal and the carrier wave of modulation.
Also, it should be noted term " includes ", " comprising " or its any other variant are intended to nonexcludability
Comprise, so that include that the process of a series of key element, method, commodity or equipment not only include those key elements, but also wrap
Include other key elements being not expressly set out, or also include want intrinsic for this process, method, commodity or equipment
Element.In the case of there is no more restriction, statement " including ... " key element limited, it is not excluded that including described wanting
Process, method, commodity or the equipment of element there is also other identical element.
It will be understood by those skilled in the art that embodiments herein can be provided as method, system or computer program.
Therefore, the embodiment in terms of the application can use complete hardware embodiment, complete software implementation or combine software and hardware
Form.And, the application can use can be with depositing at one or more computers wherein including computer usable program code
The shape of the upper computer program implemented of storage media (including but not limited to disk memory, CD-ROM, optical memory etc.)
Formula.
The foregoing is only embodiments herein, be not limited to the application.For those skilled in the art
For, the application can have various modifications and variations.All made within spirit herein and principle any amendment, equivalent
Replacement, improvement etc., within the scope of should be included in claims hereof.
Claims (10)
1. a conducting slip ring, comprises rotating part and housing department, it is characterised in that
The outer surface of described rotating part is provided with at least one dynamic LED and at least one dynamic photosensitive tube；
The inner surface of described housing department is provided with at least one quiet LED and at least one quiet photosensitive tube；
At least one described quiet photosensitive tube is for receiving the light that at least one described dynamic LED sends；At least one described dynamic light
Quick pipe is for receiving the light that at least one described quiet LED sends.
2. conducting slip ring as claimed in claim 1, it is characterised in that described dynamic LED and described dynamic photosensitive tube are along described rotation
Portion's outer surface circumferencial direction is alternately distributed.
3. conducting slip ring as claimed in claim 1, it is characterised in that
Described rotating part outer surface has at least one groove along the circumferential direction；
Described dynamic LED is installed in groove described at least one；
Described dynamic photosensitive tube is installed in groove described at least one.
4. conducting slip ring as described in claims 1 to 3 is arbitrary, it is characterised in that
The inner surface of described housing department is fixed with at least one light-strip；Described light-strip along the circumferential direction with described housing department
Inner surface is conformal；
The cross section of described light-strip is U-shaped, and the opening of described U-shaped cross-section is towards described rotating part outer surface, and described U-shaped is horizontal
The bottom in cross section is fixing with the inner surface of described housing department to be connected；
In at least one described light-strip, described quiet LED is installed；
In at least one described light-strip, described quiet photosensitive tube is installed；
Described rotary body, when unspecified angle, is provided with the U-shaped cross-section of at least one described light-strip of described quiet photosensitive tube
Opening covers at least one described dynamic LED on described rotary body outer surface；It is provided with described at least one of described quiet LED
The U-shaped cross-section opening of light-strip covers at least one described dynamic photosensitive tube on described rotary body outer surface.
5. conducting slip ring as claimed in claim 4, it is characterised in that described light-strip is axially distributed multiple.
6. conducting slip ring as claimed in claim 4, it is characterised in that described light-strip is circumferentially distributed multiple.
7. conducting slip ring as claimed in claim 1, it is characterised in that also comprise control circuit；
Described control circuit comprises LED drive unit, photosensitive driver element, detection and control unit, reception switch, sends and open
Pass, signal bus；
Described signal bus, is used for carrying transmission signal and receiving signal；
Described LED drive unit, is used for amplifying described transmission signal, makes described dynamic LED or quiet LED luminous；
Described photosensitive driver element, for receiving the output electric current of described dynamic photosensitive tube or quiet photosensitive tube, produces described reception and believes
Number；
Described reception switch is connected between described signal bus and described photosensitive driver element, receives letter for Guan Bi or disconnection
Number path；
Described transmission switch is connected between described signal bus and described LED drive unit, sends letter for Guan Bi or disconnection
Number path；
Described detection and control unit, for detecting transmission signal and the reception of photosensitive driver element output of signal bus output
Signal, and control described transmission switch according to testing result and receive switch:
When having described transmission signal, described transmission switch Guan Bi, the most described reception switch off；
When having described reception signal, described reception switch Guan Bi, the most described transmission switch off.
8. conducting slip ring as claimed in claim 7, it is characterised in that
Described signal bus is differential bus；
Described receiving path comprises reception converting unit, for the signal that described photosensitive driver element exports is converted to difference letter
Number；
Described transmission path comprises transmission converting unit, for differential signal is converted to the input letter of described LED drive unit
Number.
9. a signal control method for conducting slip ring, for conducting slip ring described in claim 7～8, comprises the steps of
Step 1, system electrification, send switch and receive switch and be off-state, cycle detection transmission path and receiving path,
When finding then to forward step 4 to when receiving path has signal, when finding then to forward step 2 to when transmission path has signal；
Step 2, transmission switch Guan Bi, receive switch and remain off；Detect transmission path in real time, when transmission path signal disappears
Miss the season, forward step 3 to；
Step 3, transmission switch and reception on off state are constant, detect transmission path in real time, return when transmission path has signal
Step 2；If detection transmission path no signal persistent period overstepping the time limit, then forward step 1 to；
Step 4, transmission switch off, and receive switch and are kept closed；Detect receiving path in real time, when receiving path signal disappears
Miss the season, forward step 5 to；
Step 5, transmission switch and reception on off state are constant, detect receiving path in real time, return when receiving path has signal
Step 4, if detection receiving path no signal persistent period overstepping the time limit, then forwards step 1 to.
10. signal control method as claimed in claim 9, it is characterised in that communication interface standard defines and once receives and send out
The bit number sent, determines the time span of wait, the most described time limit according to bit rate.
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| CN201610768735.8A CN106253015B (en) | 2016-08-30 | 2016-08-30 | A kind of conducting slip ring and signal control method |
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| CN201610768735.8A CN106253015B (en) | 2016-08-30 | 2016-08-30 | A kind of conducting slip ring and signal control method |
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| CN106253015B CN106253015B (en) | 2018-09-07 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111147143A (en) * | 2019-11-29 | 2020-05-12 | 山东航天电子技术研究所 | Wireless smooth ring for rotating mechanism |
| CN113097813A (en) * | 2021-04-01 | 2021-07-09 | 远景能源有限公司 | Optical coupling non-contact communication slip ring for wind driven generator |
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| CN204668692U (en) * | 2015-05-20 | 2015-09-23 | 深圳市晶沛电子有限公司 | A kind of conducting slip ring |
| CN205406929U (en) * | 2016-03-08 | 2016-07-27 | 浙江霍达电气有限公司 | Touch point -contact type and lead electrical slip ring |
| CN206059876U (en) * | 2016-08-30 | 2017-03-29 | 苏州斯威高科信息技术有限公司 | A kind of conducting slip ring |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111147143A (en) * | 2019-11-29 | 2020-05-12 | 山东航天电子技术研究所 | Wireless smooth ring for rotating mechanism |
| CN113097813A (en) * | 2021-04-01 | 2021-07-09 | 远景能源有限公司 | Optical coupling non-contact communication slip ring for wind driven generator |
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