CN207910909U - A kind of non line of sight video wireless transmission circuitry - Google Patents
A kind of non line of sight video wireless transmission circuitry Download PDFInfo
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- CN207910909U CN207910909U CN201820034459.7U CN201820034459U CN207910909U CN 207910909 U CN207910909 U CN 207910909U CN 201820034459 U CN201820034459 U CN 201820034459U CN 207910909 U CN207910909 U CN 207910909U
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Abstract
The utility model discloses a kind of non line of sight video wireless transmission circuitries, including：Wireless network card circuit, data processing chip, data processing chip are coupled with wireless network card circuit, and data processing chip is also connect with external Acquisition Circuit, and data processing chip is given to obtain the Data Concurrent being wirelessly transferred from external Acquisition Circuit；Wireless network card circuit works in 565 595MHz uhf band ranges, data processing chip is connect with wireless network card circuit using Differencing communication, also just having stronger non line of sight laser propagation effect while this to change so also has very strong remote transmittability within the scope of working frequency range, data processing chip uses Differencing communication with wireless network card circuit, compared to common communication mode, Differencing communication can greatly increase the transmission rate of signal, thus greatly shorten the call duration time between data processing chip and wireless network card circuit, also just reduce in this way speed rates it is slow and the phenomenon that lead to loss of data.
Description
Technical field
The utility model is related to communicating equipment circuit fields, more particularly to non line of sight video wireless transmission equipment
Circuit.
Background technology
Private network communication refers to that the emergency communication provided for government and public safety, public utilities and industry and commerce etc., commander adjust
The services such as degree, routine work communication.China's private network communication cannot be ensured for a long time in public network communication each under planned economic system
In the case of sector application, meets industry production commander and need to build and grow up.
However, private network device product transmission rate is slow currently on the market, it can not meet present application development, so design
The fast equipment of a transmission rate has very important directiveness, practicability and validity, be mainly used in military project/public security/
Fire-fighting individual soldier equipment, forest/mountain area/coal mine wireless coverage, Mesh ad hoc network equipment, point-to-point/point-to-multipoint wireless backhaul, specially
With wireless network, system integrator's product development.
Utility model content
In view of the deficienciess of the prior art, the purpose of this utility model is to provide a kind of non line of sight that transmission rate is fast
Video wireless transmission circuitry.
To achieve the above object, the utility model provides following technical solution：A kind of non line of sight video wireless transmission is set
Standby circuit, including：Wireless network card circuit, data processing chip, the data processing chip is coupled with wireless network card circuit, described
Data processing chip is also connect with external Acquisition Circuit, to obtain the data being wirelessly transferred simultaneously from external Acquisition Circuit
It is sent to data processing chip；The wireless network card circuit works in 565-595MHz uhf band ranges, the data processing
Chip is connect with wireless network card circuit using Differencing communication.
The data processing chip has as a further improvement of the utility model,：
Anode receive pin, anode transmission pin, positive clock pins and
Cathode receives pin, cathode transmission pin, cathode clock pins and reset pin；
The wireless network card circuit includes wireless network card chip, and the wireless network card chip draws with multiple with positive reception
Foot, anode transmission pin, positive clock pins and
Cathode receives pin, cathode transmission pin, cathode clock pins and the one-to-one I/O pins of reset pin, with
Data processing chip is carried out Differencing communication with wireless network card chip to connect；
The wireless network card chip also has the controlling switch with the coupling of external LED indicator light, to control external LED indicator light
Light on and off；
The reset pin has been also coupled to resistance R2 and has been followed by power supply.
The wireless network card circuit and data processing chip are logical by PCIE as a further improvement of the utility model,
Believe protocol communication, it is laggard that the data processing chip receives the data be wirelessly transferred obtained from external Acquisition Circuit
Row is sent to wireless network card circuit after being converted into PCIE communication protocols.
The wireless network card circuit includes wireless network card chip as a further improvement of the utility model, described wireless
Network card chip has
Enabled pin, power supply is coupled to after being coupled with resistance R1；
Clock request pin is coupled to external patch interface, to input external interrupt by external patch interface.
The wireless network card chip has been also coupled to the first filtrating chip and second as a further improvement of the utility model,
The power supply of filtrating chip, external different voltages grade is respectively connected to the first filtrating chip and the second filtrating chip, first filtering
Several capacitances parallel with one another are integrated in chip and the second filtrating chip, with respectively by the power supply of external different voltages grade
It carries out inputing to wireless network card chip after repeatedly filtering.
The data processing chip has been also coupled to RJ45 interfaces, the data as a further improvement of the utility model,
Processing chip is connect by RJ45 interfaces with external Acquisition Circuit, with what is obtained from external Acquisition Circuit be wirelessly transferred
Data.
The beneficial effects of the utility model, data processing chip and the wireless network card circuit of setting use Differencing communication, phase
Than common communication mode, Differencing communication can greatly increase the transmission rate of signal, thus greatly shorten data processing core
Call duration time between piece and wireless network card circuit, the phenomenon that also just reducing speed rates so slowly and lead to loss of data,
And wireless network card circuit is operated within the scope of 565-595MHz uhf bands, also just there is stronger non line of sight laser propagation effect in this way
This, which changes, simultaneously also has very strong remote transmittability within the scope of working frequency range, and compared to differential signal for single-ended signal
Anti-interference ability it is stronger, while the electromagnetic interference in the Difference signal pair external world is also smaller.
Description of the drawings
Fig. 1 is the utility model wireless network card circuit and data processing chip connection relation circuit diagram；
Fig. 2 is first filtrating chip and the second filtrating chip schematic diagram of the utility model.
Reference numeral：1, wireless network card circuit；11, wireless network card chip；2, data processing chip；21, RJ45 interfaces；
33, the first filtrating chip；34, the second filtrating chip.
Specific implementation mode
The utility model is described in further detail below in conjunction with the embodiment given by attached drawing.
Shown in Fig. 2, a kind of non line of sight video wireless transmission circuitry of the present embodiment, including：Wireless network
Card circuit 1, data processing chip 2, the data processing chip 2 are coupled with wireless network card circuit 1, the data processing chip 2
It also connect with external Acquisition Circuit, is given from data with obtaining the Data Concurrent being wirelessly transferred from external Acquisition Circuit
Manage chip 2；The wireless network card circuit 1 works in 565-595MHz uhf band ranges, the data processing chip 2 with it is wireless
Network interface card circuit 1 is connected using Differencing communication.
Through the above technical solutions, when user needs the collected data of external Acquisition Circuit being wirelessly transferred,
The external collected data of Acquisition Circuit are sent in data processing chip 2, and then data processing chip 2 carries out the data
Protocol conversion, is converted into Differencing communication mode, and the agreement of this communication compares common wireless communication, such as bluetooth or GPRS
Communication for have faster transmission rate, then data processing chip 2 data after protocol conversion are led to
It crosses Differencing communication mode and is transferred to wireless network card circuit 1, thus substantially reduce data processing chip 2 and wireless network card circuit
Data transmission period between 1, while this faster communication mode also avoids message transmission rate leads to data heap slowly
Product and caused by loss of data phenomenon, effectively raise the efficiency of data transmission, and compared to difference letter for single-ended signal
Number anti-interference ability it is stronger, while the electromagnetic interference in the Difference signal pair external world is also smaller, while the wireless network card circuit 1 being arranged
It is operated within the scope of 565-595MHz uhf bands, also just there is stronger non line of sight laser propagation effect while this to change working frequency range in this way
Also there is very strong remote transmittability in range.
As a kind of improved specific implementation mode, the data processing chip 2 has：
Anode receive pin, anode transmission pin, positive clock pins and
Cathode receives pin, cathode transmission pin, cathode clock pins and reset pin；
The wireless network card circuit 1 include wireless network card chip 11, the wireless network card chip 11 have it is multiple with it is positive
Receive pin, anode transmission pin, positive clock pins and
Cathode receives pin, cathode transmission pin, cathode clock pins and the one-to-one I/O pins of reset pin, with
Data processing chip 2 is carried out Differencing communication with wireless network card chip 11 to connect；
The wireless network card chip 11 also has the controlling switch with the coupling of external LED indicator light, is referred to controlling external LED
Show lamp on/off；
The reset pin has been also coupled to resistance R2 and has been followed by power supply.
Through the above technical solutions, by the anode of setting receive pin, anode transmission pin, positive clock pins and
Cathode receives pin, cathode transmission pin, cathode clock pins and reset pin can expire to correspond to difference channel driving communication
The requirement of sufficient difference channel driving communication, and reset pin coupling resistance R2 is followed by power supply, it thus will not be because of outside
Signal interference lead to the signal fluctuation of reset pin and cause data transmission procedure to be reset and restart, so that it may to be not required to
It is stably obtained when reset and the pin is pulled to high level, fluctuation is eliminated, only when reset pin has reset signal
It can just be resetted, the setting of multiple I/O pins is transmitted pin, positive clock pins with positive reception pin, anode and born
Pole receives pin, cathode transmission pin, cathode clock pins and reset pin and is arranged in a one-to-one correspondence the normal connection for ensuring communication,
And also controlling switch is connected to LED light so that it is convenient to which human-computer interaction, can be used for prompting the current wireless network card of user
The working condition of chip 11.
As a kind of improved specific implementation mode, the wireless network card circuit 1 passes through PCIE with data processing chip 2
Communication protocol communication, the data processing chip 2 receive the data be wirelessly transferred obtained from external Acquisition Circuit
After carry out being sent to wireless network card circuit 1 after being converted into PCIE communication protocols.
Through the above technical solutions, wireless network card circuit 1 and data processing chip 2 are used to the communication mode of PCIe, this
For kind communication mode compared with traditional parallel pci bus, PCIE uses universal serial bus point-to-point connection, has higher transmission speed
Rate and scalability, such as the theoretical transmission rate of 8 channel, 1 generation PCIE, 2.0 stones is 4GB/s, bus bit wide also can root
According to demand selection × 1, × 2, × 4 and × 8 channels.
As a kind of improved specific implementation mode, it includes wireless network card chip 11 to state wireless network card circuit 1, described wireless
Network card chip 11 has
Enabled pin, power supply is coupled to after being coupled with resistance R1；
Clock request pin is coupled to external patch interface, to input external interrupt by external patch interface.
Through the above technical solutions, the enabled pin on wireless network card chip 11 can be as wireless network card chip 11
Switch, conveniently controls it, and controls its operation and suspend mode, and clock request pin can be used for doing external interrupt pin,
Thus facilitate the entrance of external interrupt signal to control the corresponding instruction of 11 priority processing of wireless network card chip, at the same with outside
The coupling of patch interface can also reduce circuit volume.
As a kind of improved specific implementation mode, the wireless network card chip 11 has been also coupled to the first filtrating chip 33
It is respectively connected to the first filtrating chip 33 and the second filtrating chip 34 with the power supply of the second filtrating chip 34, external different voltages grade,
Several capacitances parallel with one another are integrated in first filtrating chip, 33 and second filtrating chip 34, with respectively will be external
The power supply of different voltages grade carries out inputing to wireless network card chip 11 after repeatedly filtering.
Through the above technical solutions, the power supply of external different voltages grade can be first respectively connected to the first filtration core by user
Piece 33 and the second filtrating chip 34 are internally integrated multiple parallel with one another by the first filtrating chip 33 and the second filtrating chip 34
Capacitance carry out repeatedly filtering and export the power supply relatively stablized to wireless network card chip 11, the power supply of such different voltages grade can be for
Wireless network card chip 11 is worked normally, at the same can also when wireless network card chip 11 obtain relatively stable power supply, thus
The wireless network card chip 11 for being works more stable, while will not shorten wireless network card chip 11 because of the voltage fluctuation of power supply
Service life.
As a kind of improved specific implementation mode, the data processing chip 2 has been also coupled to RJ45 interfaces 21, the number
It is connect with external Acquisition Circuit by RJ45 interfaces 21 according to processing chip 2, nothing is carried out with the needs obtained from external Acquisition Circuit
The data of line transmission.
Through the above technical solutions, RJ45 as one of most common interface and its can provide 4 with signal transmission
To multiple twin differential bus, the performance that the parallel differential lines of a pile can only be at most provided compared to USB interface is eager to excel very much, is had stronger anti-
Jamming performance can meet higher transmission speed demand, and under the conditions of can meeting long distance transmission, and signal decaying is unknown
Aobvious advantage.
The above is only the preferred embodiment of the utility model, and the scope of protection of the utility model is not limited merely to
Above-described embodiment, technical solution belonging to the idea of the present invention belong to the scope of protection of the utility model.It should refer to
Go out, for those skilled in the art, it is without departing from the principle of the utility model it is several improvement and
Retouching, these improvements and modifications also should be regarded as the scope of protection of the utility model.
Claims (6)
1. a kind of non line of sight video wireless transmission circuitry, which is characterized in that including：Wireless network card circuit (1), data processing
Chip (2), the data processing chip (2) and wireless network card circuit (1) couple, the data processing chip (2) also with outside
Acquisition Circuit connects, and data processing chip is given to obtain the Data Concurrent being wirelessly transferred from external Acquisition Circuit
(2)；The wireless network card circuit (1) works in 565-595MHz uhf band ranges, the data processing chip (2) with it is wireless
Network interface card circuit (1) is connected using Differencing communication.
2. non line of sight video wireless transmission circuitry according to claim 1, which is characterized in that the data processing core
Piece (2) has：
Anode receive pin, anode transmission pin, positive clock pins and
Cathode receives pin, cathode transmission pin, cathode clock pins and reset pin；
The wireless network card circuit (1) includes wireless network card chip (11), the wireless network card chip (11) have it is multiple with just
Pole receive pin, anode transmission pin, positive clock pins and
Cathode receives pin, cathode transmission pin, cathode clock pins and the one-to-one I/O pins of reset pin, will count
Differencing communication is carried out according to processing chip (2) with wireless network card chip (11) to connect；
The wireless network card chip (11) also has the controlling switch with the coupling of external LED indicator light, to control external LED indicator light
Light on and off；
The reset pin has been also coupled to resistance R2 and has been followed by power supply.
3. non line of sight video wireless transmission circuitry according to claim 2, which is characterized in that the wireless network card electricity
With data processing chip (2) by PCIE communication protocol communications, the data processing chip (2) receives to be acquired from outside on road (1)
It carries out being sent to wireless network card circuit after being converted into PCIE communication protocols after the data be wirelessly transferred that circuit obtains
(1)。
4. non line of sight video wireless transmission circuitry according to claim 3, which is characterized in that the wireless network card electricity
Road (1) includes wireless network card chip (11), and the wireless network card chip (11) also has
Enabled pin, power supply is coupled to after being coupled with resistance R1；
Clock request pin is coupled to external patch interface, to input external interrupt by external patch interface.
5. non line of sight video wireless transmission circuitry according to claim 1, which is characterized in that the wireless network the core of the card
Piece (11) has been also coupled to the first filtrating chip (33) and the second filtrating chip (34), and the power supply of external different voltages grade is respectively connected to
First filtrating chip (33) and the second filtrating chip (34), in first filtrating chip (33) and the second filtrating chip (34)
Several capacitances parallel with one another are integrated with, carry out the power supply of external different voltages grade with respectively to input to nothing after repeatedly filtering
Gauze card chip (11).
6. the non line of sight video wireless transmission circuitry according to claims 1 or 2 or 3 or 4 or 5, which is characterized in that institute
It states data processing chip (2) and has been also coupled to RJ45 interfaces (21), the data processing chip (2) is by RJ45 interfaces (21) and outside
Portion's Acquisition Circuit connection, with the data be wirelessly transferred obtained from external Acquisition Circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820034459.7U CN207910909U (en) | 2018-01-09 | 2018-01-09 | A kind of non line of sight video wireless transmission circuitry |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820034459.7U CN207910909U (en) | 2018-01-09 | 2018-01-09 | A kind of non line of sight video wireless transmission circuitry |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207910909U true CN207910909U (en) | 2018-09-25 |
Family
ID=63566934
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
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| CN201820034459.7U Active CN207910909U (en) | 2018-01-09 | 2018-01-09 | A kind of non line of sight video wireless transmission circuitry |
Country Status (1)
| Country | Link |
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| CN (1) | CN207910909U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114003537A (en) * | 2021-10-20 | 2022-02-01 | 广州朗国电子科技股份有限公司 | USB network sharing method, system and circuit based on intelligent interactive tablet |
-
2018
- 2018-01-09 CN CN201820034459.7U patent/CN207910909U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114003537A (en) * | 2021-10-20 | 2022-02-01 | 广州朗国电子科技股份有限公司 | USB network sharing method, system and circuit based on intelligent interactive tablet |
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