CN209132750U - Data transmission device and display equipment - Google Patents
Data transmission device and display equipment Download PDFInfo
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- CN209132750U CN209132750U CN201920098793.3U CN201920098793U CN209132750U CN 209132750 U CN209132750 U CN 209132750U CN 201920098793 U CN201920098793 U CN 201920098793U CN 209132750 U CN209132750 U CN 209132750U
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Abstract
The embodiment of the present application provides a kind of data transmission device and display equipment, the data transmission device are applied to electronic equipment, which includes serializer, radio transmission elements, deserializer；Serializer, radio transmission elements are connected to form transmission link by differential lines between deserializer；Radio transmission elements include first coil, the second coil and two non-contacting magnetic substances, and first coil, the second coil are wound on respectively on two non-contacting magnetic substances, and first coil intercouples with second coil；Serializer for parallel input signal to be carried out signal conversion, and exports the serial signal by coding；Deserializer, for the serial signal by coding to be decoded and unstringed, to obtain parallel output signal, radio transmission elements are transmitted for realizing the data between serializer, deserializer.
Description
Technical field
This application involves field of data transmission, in particular to a kind of data transmission device and display equipment.
Background technique
In recent years, with the continuous development of holography, various holographic display devices step into the public visual field, rotation
It is no exception to turn LED (Light Emitting Diode, light emitting diode) holographic display device.But due to being emerging row
Industry, many equipment are technically and immature, it is difficult to meet the increasingly complicated market demand.
It is limited to the structural particularity of rotating LED holographic display device, realizes and is carried out between rotating part and fixed part
The mode of communication generally uses slip ring.But the slip ring service life is short, is unsuitable for using steadily in the long term, and common wireless transmission side
Formula is unable to satisfy high frequency requirements again, and application value is low.
Utility model content
In view of this, the embodiment of the present application is designed to provide a kind of data transmission device and display equipment.
In a first aspect, the embodiment of the present application provides a kind of data transmission device, it is applied to electronic equipment, the data transmission
Device includes serializer, radio transmission elements, deserializer；
The serializer, the radio transmission elements are connected to form chain by differential lines between the deserializer
Road；
The radio transmission elements include first coil, the second coil and two non-contacting magnetic substances, and described first
Coil, second coil are wound on respectively on described two non-contacting magnetic substances, the first coil and second line
Circle intercouples；
The serializer for parallel input signal to be carried out signal conversion, and exports the serial signal by coding；
The deserializer, for the serial signal by coding to be decoded and unstringed, to obtain parallel output
Signal, the radio transmission elements are transmitted for realizing the data between the serializer, the deserializer.
Above-mentioned data transmission device can be used for realizing the data transmission of rotation junction, and whole device uses contactless
Data transmission, stable structure is reliable.In order to meet high frequency, efficient communication, serializer, deserializer are used first with reality
Existing high speed serial transmission, to reduce the interference between parallel wires, secondly, use differential lines to realize the transmission of differential signal,
Differential signal is easier to identify small signal, and the restorability of data is strong, and differential signal there is height to exempt from external electromagnetic interference
Epidemic disease ability, and differential signal is less than the external electromagnetic interference that single-ended signal generates, and reduces the dependence for " virtual earth ".Most
It afterwards, can be real by the way that radio transmission elements are arranged in rotation junction for the special construction for rotating junction in electronic equipment
Existing contactless data transmission.Therefore, the transmission link that serializer, radio transmission elements, deserializer cooperatively form, Ke Yi
The high speed data transfer that rotation junction is realized in non-contacting situation, has a longer life expectancy, and uses convenient for steady in a long-term, tool
There are good market prospects.
With reference to first aspect, in the alternative embodiment of the application, between the serializer and the radio transmission elements
Equipped with driver；
The driver is for increasing signal strength.
With reference to first aspect, in the alternative embodiment of the application, between the radio transmission elements and the deserializer
Equipped with reception balanced device；
The frequency response for receiving balanced device and being used to compensate mutual-inductance element.
With reference to first aspect, in the alternative embodiment of the application, the radio transmission elements are installed on the electronics and set
Standby rotation junction；
In use, relatively rotate between two magnetic substances, the magnetic substance drive the first coil and/or
The second coil rotation.
With reference to first aspect, in the alternative embodiment of the application, coupling of the same name between the first coil, the second coil
It closes.
With reference to first aspect, in the alternative embodiment of the application, two magnetic substances are respectively the first magnetic substance,
Two magnetic substances；
Second magnetic substance is located among first magnetic substance；
The first coil is set to the inside of first magnetic substance, and second coil is set to outside second magnetic substance
Side.
Above structure provides a kind of possibility form of radio transmission elements, relative to common coupling coil efficiency of transmission
It is low, be difficult to transmit the defect of high-frequency signal, above structure can be applied to the transmission of the signal under high frequency condition.
With reference to first aspect, in the alternative embodiment of the application, two magnetic substances are respectively third magnetic substance,
Four magnetic substances；
The third magnetic substance, the 4th magnetic substance are symmetrical arranged；
The first coil is set to the inside of the third magnetic substance, and second coil is set in the 4th magnetic substance
Side, or, the first coil is set to the outside of the third magnetic substance, second coil is set to outside the 4th magnetic substance
Side.
Above structure provides the possibility form of another radio transmission elements, transmits effect relative to common coupling coil
Rate is low, is difficult to transmit the defect of high-frequency signal, and above structure can be applied to the transmission of the signal under high frequency condition.
With reference to first aspect, in the alternative embodiment of the application, capacitor is equipped between the differential lines, the capacitor is used
In realization AC coupled.
Second aspect, the embodiment of the present application provide a kind of radio transmission elements, and the radio transmission elements include phase mutual coupling
The first coil of conjunction, the second coil；
The first coil, the second coil are wound on respectively on two magnetic substances；
In use, relatively rotate between two magnetic substances, the magnetic substance drive the first coil and/or
The second coil rotation.
In conjunction with second aspect, in the alternative embodiment of the application, two magnetic substances are respectively the first magnetic substance,
Two magnetic substances；
Second magnetic substance is located among first magnetic substance；
The first coil is set to the inside of first magnetic substance, and second coil is set to outside second magnetic substance
Side.
In conjunction with second aspect, in the alternative embodiment of the application, two magnetic substances are respectively third magnetic substance,
Four magnetic substances；
The third magnetic substance, the 4th magnetic substance are symmetrical arranged；
The first coil is set to the inside of the third magnetic substance, and second coil is set in the 4th magnetic substance
Side, or, the first coil is set to the outside of the third magnetic substance, second coil is set to outside the 4th magnetic substance
Side.
The third aspect, the embodiment of the present application provide a kind of display equipment, including described in motor and above-mentioned first aspect
Data transmission device；
There are cylindrical spaces in the motor；
Radio transmission elements in the data transmission device are set in the cylindrical space.
Above-mentioned display equipment uses the reliable data transmission device of stable structure, and overall performance is improved, in addition,
The motor of equipment is shown in rotation, data transmission device can transmit high-frequency signal, can ensure high-speed transfer, set in display
It is standby that more input data can be responded in time, can show higher resolution ratio, color digit in actual work,
With good market value.
In conjunction with the third aspect, in the alternative embodiment of the application, the display equipment further include driving plate, control panel,
Lamp plate；
The driving plate is equipped with video interface and serializer, and the driving plate connect with the motor, the motor and
The control panel connection, the control panel are connect with the lamp plate, and the control panel is equipped with deserializer；
The control panel is used to receive the data that the driving plate is sent, and the data received are transmitted to the lamp plate
On, so that the lamp plate is shown according to the data that the driving plate is sent.
To enable the above objects, features, and advantages of the application to be clearer and more comprehensible, special embodiment below, and appended by cooperation
Attached drawing is described in detail below.
Detailed description of the invention
Technical solution in ord to more clearly illustrate embodiments of the present application, below will be to needed in the embodiment attached
Figure is briefly described, it should be understood that the following drawings illustrates only some embodiments of the application, therefore is not construed as pair
The restriction of range for those of ordinary skill in the art without creative efforts, can also be according to this
A little attached drawings obtain other relevant attached drawings.
Fig. 1 is a kind of block diagram of data transmission device provided by the embodiments of the present application.
Fig. 2 is the block diagram of another data transmission device provided by the embodiments of the present application.
Fig. 3 is the scheme of installation of radio transmission elements provided by the embodiments of the present application.
Fig. 4 is a kind of schematic diagram of radio transmission elements provided by the embodiments of the present application.
Fig. 5 is the schematic diagram of another radio transmission elements provided by the embodiments of the present application.
Fig. 6 is the schematic view of the mounting position of radio transmission elements shown in fig. 5.
Fig. 7 is the schematic diagram of display equipment provided by the embodiments of the present application.
Icon: 10- shows equipment；100- data transmission device；110- serializer；120- driver；130- wireless transmission
Element；131- first coil；The first magnetic substance of 132-；The second coil of 133-；The second magnetic substance of 134-；135- third magnetic substance；
The 4th magnetic substance of 136-；140- receives balanced device；150- deserializer；200- motor；300- control mainboard；400- lamp plate.
Specific embodiment
Below in conjunction with attached drawing in the embodiment of the present application, technical solutions in the embodiments of the present application carries out clear, complete
Ground description, it is clear that described embodiments are only a part of embodiments of the present application, instead of all the embodiments.Usually exist
The component of the embodiment of the present application described and illustrated in attached drawing can be arranged and be designed with a variety of different configurations herein.Below
Claimed scope of the present application is not intended to limit to the detailed description of the embodiments herein provided in the accompanying drawings, and
It is the selected embodiment for being merely representative of the application.Based on embodiments herein, those skilled in the art are not making creation
Property labour under the premise of every other embodiment obtained, shall fall in the protection scope of this application.
It should also be noted that similar label and letter indicate similar terms in following attached drawing, therefore, once a certain Xiang Yi
It is defined in a attached drawing, does not then need that it is further defined and explained in subsequent attached drawing.Meanwhile the application's
In description, term " first ", " second " etc. are only used for distinguishing description, are not understood to indicate or imply relative importance.
Slip ring is a kind of device being born to alleviate the coiling problem occurred in equipment rotary course.Slip ring, also referred to as
Rotary electric interface, electrical rotary joint are done, can be used for tying when any require without limitation continuous rotation from fixed structure to rotation
Structure transmits in the structure of power supply and data-signal.
But applicant has found after study, the service life is very short in actual use for slip ring, be easy to appear rotation have some setbacks, slip ring
Short circuit, a series of problems, such as signal interference (internal interference, external disturbance) is big, are unfavorable for the long-time service of complete equipment.In addition,
After slip ring failure, bring transmission problem will affect the normal operation of complete equipment, if the cunning in display equipment
Ring goes wrong, and will be unable to normal transmission data, it is difficult to normal display.
Then, applicant is considered as wireless transmission method and carries out data transmission, but finds after study, if low frequency
Condition, it is only necessary to which power up signal (such as on wireless power coil plus modulated signal) can be on common coupling coil
Row communicates, but efficiency in this way is very low, and bandwidth is extremely low, can only achieve 100kbps rate below, if by such structure
Signal for transmitting under high frequency condition can be severely deformed, can not identify.
Therefore, applicant considers to design a kind of radio transmitting device, should meet the communication of high frequency efficient rate, can fit again
Structure (such as rotation junction of display equipment) for needing to rotate, just proposes following conception: using mutual inductance transmission unit
Part realizes the wireless transmission of core, and differential signal transmission is used in transmission process, sends out to avoid in rotation junction
Raw abrasion, will also ensure signal integrity, improve anti-interference ability.
In specific design process, applicant expects that serial signal is more suitable for high frequency signal transmission than parallel signal, because
This uses serializer, deserializer to construct transmission link, i.e. SERDES technology (see following explanations description).But it is general
SERDES transmission link is all to use uniform transmission line, this is because high-speed serial signals to guarantee signal integrity
It is very high for the impedance consistency of transmission link, signal attenuation requirement, if the configured transmission of signal can not reach requirement, that
When being transferred to next stage mistake can occur for signal, and transmission is caused to fail.Also in that this point, causes in high speed
Device (such as transformer, mutual inductance transfer element) is arbitrarily added in serial transmission link is challenging work.
In view of this, applicant proposed following embodiments to solve the above problems.With reference to the accompanying drawing to the application reality
Example is applied to elaborate.The embodiment of the present application can also be embodied or practiced by different specific embodiments.It is not rushing
In the case where prominent, the feature in following embodiment and embodiment be can be combined with each other.
SERDES: being English SERializer (serializer)/DESerializer (deserializer) abbreviation, is a kind of serial
The communication technology.Be converted into high-speed serial signals in the multi-path low speed parallel signal of transmitting terminal, by transmission media (optical cable or
Copper wire), finally the high-speed serial signals in receiving end are re-converted into speed parallel signals.This point-to-point serial communication skill
Art makes full use of the channel capacity of transmission media, reduces required transmission channel and device pin number, the transmission of promotion signal
Speed, to substantially reduce communications cost.
First embodiment
It for further details, please refer to Fig. 1, Fig. 1 shows data transmission device 100 provided by the embodiments of the present application, data transmission dress
Setting 100 can be used for the rotation junction of electronic equipment.Electronic equipment can be camera holder, laser radar, holographic display are set
It is standby etc..Wherein, data transmission device 100 can be used for the rotation junction of rotating LED holographic display device, and rotating LED holography is aobvious
Show that equipment can play the multimedia file saved in device memory, also can receive and play the multimedia text of external equipment transmission
Part, multimedia file include video file.
In an example, rotating LED holographic display device includes control mainboard and lamp plate, the data transmission device 100
It is mountable between control mainboard and lamp plate, control mainboard can be used for obtaining multi-medium data, which can
It will be transferred to lamp plate from the multi-medium data that control mainboard is passed to, so that the multimedia that lamp plate can store in display control mainboard
Data.Being particularly shown principle is to allow lamp plate to convert display content while high speed rotation to utilize people to form holographic picture
The visual persistence phenomenon of eye makes one to arrive holographic picture soon.
In another example, rotating LED holographic display device includes driving plate, control panel, lamp plate, data transmission dress
It sets 100 to be mountable between driving plate and control panel, driving plate is used to send number to control panel by data transmission device 100
According to, such as transmission multi-medium data, control instruction (amplification, diminution, pause etc.), control panel is used for basis from data transmission device
The data control lamp plate received at 100 is shown.
In the present embodiment, data transmission device 100 includes serializer 110, radio transmission elements 130, deserializer 150.String
Row device 110, radio transmission elements 130 are connected to form transmission link by transmission line between deserializer 150.Wherein, serializer
110, single ended interfaces, differential interface can be set on deserializer 150, to be suitable for different signal transmission forms.In this implementation
In example, serializer 110, radio transmission elements 130, between deserializer 150 by differential lines connection, with differential signal transmission, make
The signal that must be transmitted can be effectively recognized.Wherein, differential signal is easier to identify that small signal, differential signal have stronger anti-
Interference performance, for single-ended signal, the electromagnetic interference that differential signal generates is also less, moreover it is possible to reduce for " virtual earth "
It relies on.
Radio transmission elements 130, as the core devices for realizing wireless transmission, the rotation that may be mounted at electronic equipment connects
Meet place.Radio transmission elements 130 include first coil 131, the second coil 133 and two non-contacting magnetic substances, First Line
The 131, second coil 133 of circle is wound on respectively on two non-contacting magnetic substances, first coil 131 and 133 phase of the second coil
Mutual coupling.Wherein, radio transmission elements 130 are transmitted for realizing the data between serializer 110, deserializer 150.
It will be illustrated so that rotating LED holographic display device includes control mainboard and lamp plate as an example below.
When in use, the control mainboard of rotating LED holographic display device can be used as transmitting terminal, and serializer 110 can lead to
It crosses transmission line to connect with control mainboard, it is contemplated that the simplicity and efficiency of transmission of device structure, serializer 110 can also be direct
It is arranged in control mainboard, for example, being arranged serializer 110 in pcb board (Printed Circuit Board, printed circuit
Plate) on, service life, features simple structure and transmission rate can be taken into account with this.
Serializer 110 is used to parallel input signal carrying out signal conversion, and exports the serial signal by coding.Serially
Multi-medium data can be converted to serial data by device 110, and be encoded to sent data.
Similarly, the lamp plate of rotating LED holographic display device can be used as receiving end.Deserializer 150 can pass through transmission line
It connect with lamp plate, also can be arranged directly on lamp plate, such as deserializer 150 is arranged on the pcb board for having LED array,
Service life, features simple structure and transmission rate can be taken into account with this.
Deserializer 150, for the serial signal by coding to be decoded and unstringed, to obtain parallel output signal.
Corresponding to the serial data by coding, deserializer 150 can be decoded data, unstring, to restore multi-medium data.
Radio transmission elements 130, for realizing non-contact transmission, such as realizing non-between control mainboard and lamp plate
Contact transmission.It can relatively rotate between the first coil 131 of radio transmission elements 130, the second coil 133.In use,
Radio transmission elements 130 are installed on rotation junction.In one embodiment, by two coils of radio transmission elements 130
It is mounted in the motor 200 of rotating LED holographic display device, so that coil can be wrapped up completely or partially by motor 200.Example
Such as, first coil 131 can be mounted on to the fixed part of motor 200, and by the second coil 133 be mounted on motor 200 (referring to
Rotating part Fig. 3) is not had mutual alignment mobile, only relatively rotates, can be protected with this when rotated between two coils
Barrier communication is stablized, and is extended the service life of data transmission device 100, is further extended the longevity of rotating LED holographic display device
Life.
The beneficial effect is that the transmitting terminal in electronic equipment can be converted to multi-media signal using serializer 110
Single line high-speed serial signals, such as high-speed differential signal can be converted to.It can using deserializer 150 in the receiving end of electronic equipment
With the multi-media signal for the high-speed serial signals transparent that will be received, wherein multi-media signal can be vision signal.
Radio transmission elements 130 are used between transmitting terminal, receiving end, may be implemented in the way of coupling mutual inductor contactless
High-speed serial communication.On the one hand, transmission link is stablized, can be to avoid due to using the abrasion of slip ring bring to cause to influence data
The case where laser propagation effect, can ensure the stability in data transmission procedure, prolong the service life；On the other hand, using serial
Device 110, deserializer 150 handle multi-medium data, and are carried out data transmission using differential lines, unstring using high speed serialization
Technology, coding techniques can effectively improve the message transmission rate of the rotation junction of electronic equipment, ensure that high speed signal passes
Defeated, serializer 110, radio transmission elements 130, deserializer 150 can be realized high frequency, high rate data transmission after cooperating, in electricity
When sub- equipment rotates, non-contacting radio transmission elements 130 will not influence data laser propagation effect, can ensure that data efficient passes
It is defeated；It is come from another aspect, enabling and being displayed in real time using the rotating LED holographic display device of the data transmission device 100
The signal of video flowing input, meets the market requirement, has good application value.
Modulated signal is added directly in wireless power coil in a manner of the LF communication for realizing communication compared to rising, above-mentioned side
Case has higher message transmission rate, can be suitable for high frequency condition, and the signal of transmission can effectively restore, if transmission number
The data big according to amount, bandwidth is high will have significantly more advantage.Generally, for being directly added in wireless power coil
The mode of modulated signal, the special construction and wireless power coil itself for being limited to rotation junction, which need to meet power supply, to be wanted
It asks, it is difficult to flatwise coil, tubbiness coil are installed inside motor 200, coil winding is usually arranged in the end of motor 200
Portion or periphery, whether the structure of mounting means or wireless power coil itself can all lead to the very bandwidth in transmission process
It is low, it can only achieve 100kbps rate below, and passed in the present embodiment using unstring technology, difference of coding techniques, high speed serialization
Transferring technology, then use mutual inductor as radio transmission elements 130 to transmit data, entire transmission link can increase substantially
The message transmission rate of junction is rotated, in an example, the message transmission rate for rotating junction can be improved
2.5Gbps。
It should be noted that deserializer 150 can be by FPGA (Field-Programmable Gate Array, scene
Programmable gate array) it directly receives and with IP kernel (Intellectual Property core, the intellectual property inside FPGA
Core, abbreviation IP kernel) method realized replaces, but for logical construction, the two may be considered same embodiment.Similarly,
Serializer 110 can also be replaced by the method that FPGA and its internal IP kernel are realized, but for logical construction, the two be can consider
It is same embodiment.
In the present embodiment, as shown in Fig. 2, unstringing to ensure that the receiving end of electronic equipment can smoothly receive data
It is arranged before device 150 and receives balanced device 140, which is used for compensated digital signal.
In one embodiment, using serializer 110 that the parallel data for the video source being passed to from video interface is serial
Change, while making coded treatment, by differential lines by serial data transmission to the transmitting coil of radio transmission elements 130, wireless
The receiving coil of transfer element 130 equally passes through differential lines by serial data transmission to reception balanced device 140, after isostatic compensation
Signal enters in deserializer 150, and deserializer 150 restores serial signal to parallel, while making decoding process.
Wherein, receiving balanced device 140 may include frequency compensation network circuit and limiting amplifier.The frequency compensation
Lattice network is used to compensate the frequency response of mutual-inductance element, and mutual-inductance element can be the mutual inductor in wireless sensing element 130.
Limiting amplifier is used for amplified signal, so that being delivered to the amplitude of the serial signal of deserializer 150, waveform and shake can be
In the normal range of operation of deserializer 150.It should be noted that the specific implementation of frequency compensation network circuit, limiting amplifier
Mode can there are many, frequency compensation network circuit, limiting amplifier specific structure should not be construed as the limitation to the application.
Wherein, receive balanced device 140 can be used when signal quality is poor, still, if not using balanced device
In the case of can also complete signal transmission when, receive balanced device 140 can be omitted.
In the present embodiment, coding mode can there are many, such as can using 8B/10B encode, 64B/ can also be used
66B coding.According to the mode of 8B/10B coding, then sent after 8 data to be sent being converted into 10 code-groups；If adopting
The mode encoded with 64B/66B, then send after 64 data to be sent being converted into 66 code-groups.It is intended that being
Guarantee DC balance, and intensive enough level conversion, so that when generating long continuous high level or low level signal,
Signal can from the cable of AC coupled Successful transmissions.
Encode this mode reduces bandwidth requirement to low frequency part in transmission link, 8B/ in a manner of sacrificing efficiency
The efficiency of 10B is 80%, and 64B/66B's is more efficient, reaches 97%, but this may require that higher passband.In a kind of reality
It applies in mode, in order to facilitate the design of radio transmission elements 130, is encoded using to the relatively low 8B/10B of bandwidth requirement.It needs
It is noted that it is for 64B/66B that bandwidth requirement herein is relatively low, but actual bandwidth still meets video biography
Defeated requirement, in an example, bandwidth can be more than 6GHz, ensure high-speed digital signal transmission.It should be noted that at it
In his embodiment, those skilled in the art can select the mode of coding according to actual needs, to meet actual bandwidth demand, compile
Code efficiency, transmission rate.
In the present embodiment, in order to increase the signal strength of electronic equipment transmitting terminal, serializer 110 and radio transmission elements
Driver 120 is equipped between 130.In two coils of radio transmission elements 130, one of coil is as transmitting coil, separately
One coil is as receiving coil.Serializer 110, driver 120, transmitting coil are sequentially connected, and can pass through driver with this
120 increase the signal strength of transmitting coil.In an example, first coil 131 can be regard as transmitting coil, by the second line
Circle 133 is used as receiving coil；In another example, transmitting coil can be the second coil 133.
Similarly, driver 120 can be used when signal quality is poor, still, if not using the feelings of driver 120
When can also complete signal transmission under condition, driver 120 be can be omitted.
In the present embodiment, in order to allow radio transmission elements 130 to can be realized contactless data transmission.Wireless transmission member
Part 130 uses the principle of transformer, but, primary side, the secondary side of the radio transmission elements 130 different from traditional transformer
It is non-contacting, and the magnetic core of two sides is also non-contacting.
When electronic equipment use 200 center of motor there are when cylindrical space, which can be arranged
In the cylindrical space, achieve the purpose that transmit signal.In an example, when rotating LED holographic display device uses holder
When motor 200 is as driving motor 200, there are cylindrical spaces at motor 200 center, as shown in figure 3, by radio transmission elements
Data transmission is realized in 130 designs in the space.Wherein, the first coil 131 of radio transmission elements 130, the second coil 133 divide
It is not wound on two magnetic substances, in use, relatively rotating between two magnetic substances, the coil on magnetic substance is driven with this
Rotation.When radio transmission elements 130 are mounted on the rotation center of horizontal stage electric machine 200, it is especially mounted in horizontal stage electric machine 200
When in cylindrical space, electrode drives magnetic substance rotation, and magnetic substance band moving winding rotates, in rotary course, first coil 131,
It is not subjected to displacement on rotation axis between second coil 133, happens is that relatively rotating, stable lead to can be ensured with this
Letter process, the stability of improve data transfer, further ensures high transmission speeds.
Optionally, the specific structure of two kinds of radio transmission elements 130 is provided below.
In one embodiment, as shown in figure 4, two magnetic substances are respectively the first magnetic substance 132, the second magnetic substance
134.Second magnetic substance 134 is located among the first magnetic substance 132.First coil 131 is set to the inside of the first magnetic substance 132, the
Two coil 133 is set to 134 outside of the second magnetic substance.
One of magnetic substance in two magnetic substances is column structure, such as cylindrical structure, another magnetic substance is bucket
Shape structure.Column magnetic substance is located at the centre of tubbiness magnetic substance, and tubbiness magnetic substance is located at one end of column magnetic substance, in column magnetic
The periphery of property body has been fastened coil, has also been fastened coil in the inside of tubbiness magnetic substance.The column magnetic substance and bottom
There is interval between portion's tubbiness magnetic substance, so as to which relative rotation can occur between column magnetic substance and tubbiness magnetic substance.Wherein,
The winding of first coil 131 is arranged inside tubbiness magnetic substance, the second coil 133 is set to outside cylinder magnetic substance.
Wherein, the interval between column magnetic substance and bottom tubbiness magnetic substance can be 2 millimeters, 5 millimeters, 1 centimetre, 2 lis
Rice both can satisfy clearance requirement required for relative rotation occurs with this, and also be unlikely to make the distance between two magnetic substances
Too far, it is connected in circuit for two coils and has ensured communication quality.Those skilled in the art can be any according to actual needs
Adjust the distance between two magnetic substances.
In an example, cylinder magnetic substance can rotate, and the tubbiness magnetic substance of bottom is fixed；In another example,
Tubbiness magnetic substance can rotate, and cylinder magnetic substance is fixed, and in another example, cylinder magnetic substance and tubbiness magnetic substance can revolve
Turn, the rotation speed of the two can be different.Wherein it is possible to which the coil on fixed magnetic substance is considered as transmitting coil, and rotate
Magnetic substance on coil be considered as receiving coil.
In this example, the first magnetic substance 132 is barrel-like structure, and the second magnetic substance 134 is column structure, in other embodiments
In, the two can exchange.
In another embodiment, as shown in figure 5, two magnetic substances are respectively third magnetic substance 135, the 4th magnetic substance
136.Third magnetic substance 135, the 4th magnetic substance 136 are symmetrical arranged.First coil 131 is set to the inside of third magnetic substance 135,
Second coil 133 is set to 136 inside of the 4th magnetic substance, or, first coil 131 is set to the outside of third magnetic substance 135, the second line
Circle 133 is set to 136 outside of the 4th magnetic substance.
Third magnetic substance 135, the 4th magnetic substance 136 are all pot structures.The magnetic substance of two pot structures is symmetrical arranged,
It can be rotated in pot magnetic substance with coiling, one of pot magnetic substance, another pot magnetic substance is fixed, two tanks
It is non-contacting between type magnetic substance.
Since restraining force of the pot magnetic substance to magnetic field is stronger, the distance between two pot magnetic substances can compare
The distance between above-mentioned column magnetic substance and tubbiness magnetic substance are remote, still will not influence the transmitting terminal of electronic equipment in this case
Communication between receiving end.
The magnetic substance of any one above-mentioned pot structure includes the first mounting portion and the second mounting portion, and the first mounting portion includes
Integrally formed side wall and bottom wall, bottom wall and side wall are enclosed an opening.Second mounting portion is fixedly arranged on the bottom of the first mounting portion
Wall center.Coil can be set in the inside sidewalls of the first mounting portion, coil can also be set in the outside of the second mounting portion.Example
Such as, first coil 131, the second coil 133 can be separately positioned on first mounting portion of two pot magnetic substances, it can also be with
First coil 131, the second coil 133 are separately positioned on second mounting portion of two pot magnetic substances.Two pot structures
The modes of emplacement of magnetic substance may refer to Fig. 6.
In the present embodiment, first coil 131, the coiling direction of the second coil 133 are identical, can form coupling of the same name with this
Relationship.Wherein, the difference in the winding structure of coil can self-induction to 130 both ends of radio transmission elements/mutual inductance parameter generate shadow
Ring, in other embodiments, first coil 131, the second coil 133 coiling direction can be different, as long as transmission can be learnt
Coupled relation in the process, convenient for follow-up maintenance or maintenance.
It will be briefly described the difference between the radio transmission elements 130 of the embodiment of the present application and common transformer below, it is general
Logical network transformer appears in the receiving end of network interface, network interface before reception can by primary network station transformer (purpose be every
From, play protection circuit purposes), the bandwidth of network transformer can be reached in 500MHz or so far below the embodiment of the present application
The 6GHz bandwidth arrived.General transformer makes for level-one coil and secondary coil to be wrapped on a magnet, but can only allow main
It is not electrically connected between secondary, not can guarantee and do not contacted between main and secondary, it is difficult to which allowing between main and secondary can
To relatively rotate, general transformer can not be directly used in rotation junction.
In practical applications, circuit model that can be first as needed establishes an artificial circuit, then obtained by emulation
As a result come design radio transmission elements 130 coil multiple key parameters, such as the self-induction of level-one coil, secondary coil from
Sense and the mutual inductance (coefficient of coup) of two coils, in simulation process can clearly be using single ended mode or differential mode into
Row transmission is again designed coil after obtaining these parameters and emulates determining final radio transmission elements using electromagnetism
130 structures.In the case where one kind possible, according to single-ended transmission mode, signal will be distorted, and be led to not by mutual
Inductor component, receiving end can not identify data, therefore use differential signal, to complete to transmit under given conditions.It needs to illustrate
It is, here a kind of only mode of available radio transmission elements 130 of brief introduction, the application is not to radio transmission elements 130
Forming process be restricted.
In the present embodiment, capacitor can be equipped between above-mentioned transmission line (such as differential lines), capacitor is for realizing transmission
AC coupled between line.Wherein, serial signal transfer can be realized using differential lines between said elements.In serializer 110
Available serial high-speed differential signal after data are serialized can transmit the serial high-speed-differential by differential lines and believe
Number, which is sent by radio transmission elements 130 to receiving balanced device 140, letter after isostatic compensation
It number enters in deserializer 150.
By above-mentioned data transmission device 100, high-frequency communication condition can be suitable for, data transmission speed can be significantly improved
Rate, and guarantee enough bandwidth with transmitting multimedia data, communication link is more stable, and the service life is longer for whole device,
With good application value.
Second embodiment
The embodiment of the present application provides a kind of radio transmission elements 130.Details refer to Fig. 4 and Fig. 5, the wireless transmission
Element 130 includes the first coil 131 to intercouple, the second coil 133.In first coil 131 and the second coil 133, wherein
One coil is as transmitting coil, another is as receiving coil.First coil 131, the second coil 133 are wound on two respectively
On magnetic substance.In use, relatively rotating between two magnetic substances, magnetic substance drives first coil 131 and/or described second
Coil 133 rotates.
In one case, two magnetic substances drive respectively the first coil 131, the second coil 133 rotation with
Make two coil rotations, in another case, one of magnetic substance in two magnetic substances is fixed, another is magnetic
Body drives one of coil rotation, and two kinds of situations can to relatively rotate between two coils.
First coil 131, the second coil 133 axis can be overlapped, good communication efficiency can be guaranteed with this.Two
When relatively rotating between a coil, on its axis without generating relative displacement.
In an example, which is mounted in a rotary body, which has cylindricality sky
Between, radio transmission elements 130 are located in cylindrical space, and first coil 131, the second coil 133 can be allowed to revolve in rotary body
It produces relative rotation when turning, realizes contactless data transmission.Wherein, which can be horizontal stage electric machine 200.
As an implementation, as shown in figure 4, two magnetic substances are respectively the first magnetic substance 132, the second magnetic
Property body 134.Second magnetic substance 134 is located among first magnetic substance 132.First coil 131 is set to first magnetic
Property body 132 inside, second coil 133 is set to second magnetic substance, 134 outside.
The correlative detail for closing the first magnetic substance 132, the second magnetic substance 134 in this present embodiment, can be with further reference to preceding
The associated description in embodiment about tubbiness magnetic substance, column magnetic substance is stated, details are not described herein.
As another embodiment, as shown in figure 5, two magnetic substances are respectively third magnetic substance 135, the 4th magnetic
Property body 136.Third magnetic substance 135, the 4th magnetic substance 136 are symmetrical arranged.First coil 131 is set to the interior of third magnetic substance 135
Side, the second coil 133 is set to 136 inside of the 4th magnetic substance, or, first coil 131 is set to the outside of third magnetic substance 135, the
Two coil 133 is set to 136 outside of the 4th magnetic substance.
The correlative detail for closing third magnetic substance 135, the 4th magnetic substance 136 in this present embodiment, can be with further reference to preceding
The associated description in embodiment about two pot magnetic substances is stated, details are not described herein.
In the present embodiment, the magnetic substance can be the magnetic material with good magnetic conductivity and dielectric properties, magnetic
Body material can be but be not limited only to ferrite.
The other details of radio transmission elements 130 described in the present embodiment are please further refer to institute in first embodiment
The associated description of radio transmission elements 130 is stated, details are not described herein.
It intercouples between the first coil 131 of above-mentioned radio transmission elements 130, the second coil 133, but non-contact, two
It is between a magnetic substance and non-contacting, contactless data transmission may be implemented, avoid in rotating condition, due to contact
Bring abrasion causes to shorten the working life.In addition radio transmission elements 130 may be mounted at the rotary bodies such as horizontal stage electric machine 200
In center, such as the cylindrical space of insertion horizontal stage electric machine 200, the external structure of integral device can simplify, wireless transmission member
Part 130 can realize contactless data transmission in rotation junction.When radio transmission elements 130 and external series device, solution
When string device, balanced device cooperation, the message transmission rate of entire transmission link may be significantly promotion, have good using valence
Value.
3rd embodiment
The embodiment of the present application provides a kind of display equipment 10, as shown in fig. 7, display equipment 10 include motor 200 and
Data transmission device 100 described in previous embodiment.
Data transmission device 100 includes serializer 110, deserializer 150, radio transmission elements 130, radio transmission elements
130 can be set to the rotation center of motor 200, and serializer 110, deserializer 150 can be separately positioned on the hair of display equipment 10
Sending end, receiving end.Transmitting terminal is provided with the control mainboard 300 of the display equipment 10, and control mainboard 300 can store multimedia
Data.Receiving end is provided with the lamp plate 400 of the display equipment 10, which is equipped with lamp bar or several LED arrays, lamp plate
400 can receive the multi-medium data sent by control mainboard 300 by data transmission device 100, and more according to what is received
Media data controls lamp bar or LED array changing display content, to form holographic picture.
Wherein, there are cylindrical spaces for motor 200.The motor 200 specifically can be horizontal stage electric machine 200, be also possible to other
The motor 200 for having cylindrical space.It is provided with thermovent on motor 200, which can be bar shaped thermovent, be also possible to
Poroid thermovent.
Radio transmission elements 130 in data transmission device 100 are set in the cylindrical space.For example, wireless transmission member
Part 130 can be completely or partially embedded in motor 200.Mutual inductor can be mounted on rotating shaft center, in display equipment 10
When rotation, the coil rotation being able to drive in motor 200, so as to there is no mutual alignment movement between transmitting coil, receiving coil,
Only relative rotation can ensure that communication is stablized with this.Wherein, two magnetic substances of radio transmission elements 130 can be consolidated respectively
It is scheduled on control mainboard, in lamp bar, fixed form is unlimited, can be stickup, buckle, binding, welding etc..Two magnetic substances can also be with
It is separately fixed at the stator of motor 200, on rotor.
In the present embodiment, reading data device is provided in control mainboard 300, which can be with serializer
110 connections, the reading data device and/or serializer 110 are equipped with interface, which can be HDMI (High
Definition Multimedia Interface, high-definition multimedia interface), it is also possible to other generic video interfaces,
Such as DP (DisplayPort, display interface), can also be the data-interfaces such as USB interface, internal memory card interface, for and USB flash disk,
The connection of the data storage devices such as RAM card.
In the present embodiment, display equipment 10 further includes communication device, which can be set in control mainboard 300,
The communication device includes Bluetooth chip, can be connect with external bluetooth devices by Bluetooth chip.The bluetooth equipment can be with
It is the equipment that mobile phone, sound equipment etc. have function of Bluetooth communication.On the one hand it can receive external bluetooth equipment by communication device to pass
The multimedia file sent also can use external Bluetooth audio device and play audio file, in conjunction with the holographic picture that lamp plate 400 is shown,
The visual and sound effects of display equipment 10 are able to ascend, the function of display equipment 10 has been expanded, has allowed users to more easily grasp
Control display equipment 10, brings good vision, auditory perception to user.In other embodiments, which is also possible to
It can support the device of WLAN, infrared connection function.
The other details of equipment 10 are shown described in the present embodiment, it can be with further reference to the correlation of previous embodiment
Description, details are not described herein.
Fourth embodiment
The embodiment of the present application provides a kind of display equipment (not shown), which includes driving plate, control panel, lamp
Data transmission device described in plate and previous embodiment.Driving plate is equipped with video interface and serializer, driving plate and motor
Connection, motor are connect with control panel, and control panel is connect with lamp plate, and control panel is equipped with deserializer；Control panel is for receiving driving
The data that plate is sent, and the data received are transmitted on the lamp plate so that the data that are sent according to driving plate of lamp plate into
Row display.Wherein, there are cylindrical space in motor, motor can be sky spindle motor, the wireless transmission member in data transmission device
Part may be mounted in cylindrical space, such as may be mounted on the axial line of sky spindle motor.
The other details of equipment are shown described in the present embodiment, can be retouched with further reference to the correlation of previous embodiment
It states, details are not described herein.
5th embodiment
The embodiment of the present application also provides a kind of electronic equipment (not shown), which includes empty spindle motor and aforementioned reality
The data transmission device of example offer is applied, data transmission device is mounted on the axis direction of sky spindle motor.Wherein, electronic equipment can
To be camera holder, laser radar, holographic display device etc..The other details of the electronic equipment described in the present embodiment,
Can be with further reference to the associated description of previous embodiment, details are not described herein.
In conclusion data transmission device provided by the embodiments of the present application and display equipment, can be realized high-frequency communication, it can
To significantly improve message transmission rate, and improve communication quality.
Contactless high-speed serial communication, mutual inductance are realized using coupling mutual inductor between transmitting terminal and receiving end
Coil is mounted on rotating shaft center, when a device is rotated, mobile there is no mutual alignment between coil, only rotates, both can be with
It avoids the problem that ensure the stabilization of communication link since friction causes under the contacting conditions, realizing reliable and stable transmission.
According to the actual conditions of the rotation junction of display equipment, different coil winding modes can be chosen.Further by sending out
Sending end increases the signal strength of driver enhancing transmitting terminal, and increasing reception balanced device in receiving end can compensate for the frequency of mutual-inductance element
Rate response, simultaneously amplifies signal, so that being output to the amplitude of the serial signal of deserializer, waveform, shake in the normal of deserializer
In working range.By the transmission link of entire data transmission device, unstring technology using coding techniques, high speed serialization, it can
Transmission rate is improved into (much higher than the existing rate lower than 100kbps), largely improves the logical of rotation junction
Believe bandwidth, simultaneously as communication link is reliable and stable, it is not easy to wear, there is good application value.
In the description of the present application, it should be noted that term " center ", "upper", "lower", "left", "right", "vertical",
The orientation or positional relationship of the instructions such as "horizontal", "inner", "outside" is to be based on the orientation or positional relationship shown in the drawings, or be somebody's turn to do
Application product using when the orientation or positional relationship usually put, be merely for convenience of description the application and simplify description, without
It is that the device of indication or suggestion meaning or element must have a particular orientation, be constructed and operated in a specific orientation, therefore not
It can be interpreted as the limitation to the application.In addition, term " first ", " second ", " third " etc. are only used for distinguishing description, and cannot manage
Solution is indication or suggestion relative importance.
In the description of the present application, it is also necessary to which explanation is unless specifically defined or limited otherwise, term " setting ",
" installation ", " connected ", " connection " shall be understood in a broad sense, for example, it may be fixedly connected, may be a detachable connection or one
Connect to body；It can be mechanical connection, be also possible to be electrically connected；It can be directly connected, it can also be indirect by intermediary
It is connected, can be the connection inside two elements.For the ordinary skill in the art, on being understood with concrete condition
State the concrete meaning of term in this application.
The above, the only specific embodiment of the application, but the protection scope of the application is not limited thereto, it is any
Those familiar with the art within the technical scope of the present application, can easily think of the change or the replacement, and should all contain
Lid is within the scope of protection of this application.Therefore, the protection scope of the application should be subject to the protection scope in claims.It should infuse
Anticipate indicates similar terms to: similar label and letter in following attached drawing, therefore, once determined in a certain Xiang Yi attached drawing
Justice does not need then that it is further defined and explained in subsequent attached drawing.
Claims (10)
1. a kind of data transmission device, which is characterized in that be applied to electronic equipment, the data transmission device include serializer,
Radio transmission elements, deserializer；
The serializer, the radio transmission elements are connected to form transmission link by differential lines between the deserializer；
The radio transmission elements include first coil, the second coil and two non-contacting magnetic substances, the first coil,
Second coil is wound on respectively on described two non-contacting magnetic substances, and the first coil and second coil are mutual
Coupling；
The serializer for parallel input signal to be carried out signal conversion, and exports the serial signal by coding；
The deserializer, for the serial signal by coding to be decoded and is unstringed, to obtain parallel output signal,
The radio transmission elements are transmitted for realizing the data between the serializer, the deserializer.
2. data transmission device as described in claim 1, which is characterized in that the serializer and the radio transmission elements it
Between be equipped with driver；
The driver is for increasing signal strength.
3. data transmission device as described in claim 1, which is characterized in that the radio transmission elements and the deserializer it
Between be equipped with receive balanced device；
The frequency response for receiving balanced device and being used to compensate mutual-inductance element.
4. data transmission device as described in claim 1, which is characterized in that the radio transmission elements are installed on the electronics
The rotation junction of equipment；
In use, relatively rotate between two magnetic substances, the magnetic substance drives the first coil and/or described
The rotation of second coil.
5. data transmission device as described in claim 1, which is characterized in that of the same name between the first coil, the second coil
Coupling.
6. data transmission device as described in claim 1, which is characterized in that two magnetic substances are respectively the first magnetism
Body, the second magnetic substance；
Second magnetic substance is located among first magnetic substance；
The first coil is set to the inside of first magnetic substance, and second coil is set on the outside of second magnetic substance.
7. data transmission device as described in claim 1, which is characterized in that two magnetic substances are respectively third magnetism
Body, the 4th magnetic substance；
The third magnetic substance, the 4th magnetic substance are symmetrical arranged；
The first coil is set to the inside of the third magnetic substance, and second coil is set on the inside of the 4th magnetic substance,
Or, the first coil is set to the outside of the third magnetic substance, second coil is set on the outside of the 4th magnetic substance.
8. such as the described in any item data transmission devices of claim 1-7, which is characterized in that be equipped with electricity between the differential lines
Hold, the capacitor is for realizing AC coupled.
9. a kind of display equipment, which is characterized in that including motor and the described in any item data transmission dresses of claim 1-8
It sets；
There are cylindrical spaces in the motor；
Radio transmission elements in the data transmission device are set in the cylindrical space.
10. as claimed in claim 9 display equipment, which is characterized in that the display equipment further include driving plate, control panel,
Lamp plate；
The driving plate is equipped with video interface and serializer, and the driving plate connect with the motor, the motor with it is described
Control panel connection, the control panel are connect with the lamp plate, and the control panel is equipped with deserializer；
The control panel is used to receive the data that the driving plate is sent, and the data received are transmitted on the lamp plate,
So that the lamp plate is shown according to the data that the driving plate is sent.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920098793.3U CN209132750U (en) | 2019-01-21 | 2019-01-21 | Data transmission device and display equipment |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920098793.3U CN209132750U (en) | 2019-01-21 | 2019-01-21 | Data transmission device and display equipment |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109634890A (en) * | 2019-01-21 | 2019-04-16 | 南京达斯琪数字科技有限公司 | Data transmission device and display equipment |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109634890A (en) * | 2019-01-21 | 2019-04-16 | 南京达斯琪数字科技有限公司 | Data transmission device and display equipment |
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