CN209330271U - Wireless camera acquisition device - Google Patents
Wireless camera acquisition device Download PDFInfo
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- CN209330271U CN209330271U CN201920039200.6U CN201920039200U CN209330271U CN 209330271 U CN209330271 U CN 209330271U CN 201920039200 U CN201920039200 U CN 201920039200U CN 209330271 U CN209330271 U CN 209330271U
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- acquisition device
- antenna
- camera acquisition
- radiofrequency signal
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Abstract
The utility model embodiment discloses a kind of wireless camera acquisition device, including video camera, for acquiring image data；Wireless communication module is electrically connected with the camera, including Network Interface Unit, data processing unit and the antenna element being successively electrically connected, described image data are transmitted to the data processing unit by the Network Interface Unit, described image data are converted into radiofrequency signal by the data processing unit, transmit the radiofrequency signal by the antenna element.By above-mentioned wireless camera acquisition device, so that long-distance monitorng device has wireless transmission function, laying-out in certain circumstances, scene strong applicability are avoided, and increase wireless transmission distance, reduce transmission power consumption.
Description
Technical field
The utility model relates to communication technique field more particularly to a kind of wireless camera acquisition devices.
Background technique
Long-distance monitorng device is one of indispensable device in remote monitoring system, can by the video camera installed thereon
To acquire image data, and remote return data, as long-distance monitorng device constantly develops, long-distance monitorng device is only with it
Special advantage is widely applied in multiple fields.
But traditional long-distance monitorng device still has certain problem, and traditional long-distance monitorng device mostly uses greatly wired
The mode of connection, is not easy to installation maintenance.And it uses the long-distance monitorng device transmission range of radio connection shorter and causes
Application scenarios are limited, and since power consumption height causes stand-by time shorter.
Utility model content
The embodiment of the present application provides a kind of wireless camera acquisition device, and long-distance monitorng device can be made to have wireless transmission function
Can, increase transmission range and reduces transmission power consumption.
A kind of wireless camera acquisition device, comprising:
Video camera, for acquiring image data；
It is electrically connected wireless communication module with the video camera, including Network Interface Unit, the data being successively electrically connected
Processing unit and antenna element, described image data are transmitted to the data processing unit by the Network Interface Unit, pass through
It crosses the data processing unit and described image data is converted into radiofrequency signal, transmit the radio frequency by the antenna element and believe
Number.
Optionally, the data processing unit includes that the PCIe being successively electrically connected connects in one of the embodiments,
Mouth, baseband processor, wireless transceiver, SAW filter and amplifier, the PCIe interface are used for transmission described image data,
The baseband processor is used to carry out Digital Signal Processing to described image data, and the wireless transceiver is for carrying out sine wave
The conversion of analog signal and radiofrequency signal, the SAW filter are put for filtering clutter, the amplifier for carrying out signal
Greatly；
Wherein, the wireless transceiver is also used to the rf-signal modulation to special frequency channel.
Optionally, the amplifier includes radio-frequency power amplifier and low-noise amplifier in one of the embodiments,
The radio-frequency power amplifier is used to increase the radio frequency power output of the radiofrequency signal, and the low-noise amplifier will be for that will connect
The radiofrequency signal of receipts carries out signal amplification.
Optionally, the amplifier further includes two-stage power amplifier in one of the embodiments, the secondary power
Amplifier and the radio-frequency power amplifier are electrically connected, for believing by the amplified radio frequency of the radio-frequency power amplifier
Number carry out second level amplification.
Optionally, the antenna element includes first antenna and the second antenna in one of the embodiments, and described first
Antenna is eated dishes without rice or wine for the radiofrequency signal to be sent to, and the first antenna and the second antenna are used for while receiving the radio frequency letter
Number.
Optionally, the SAW filter, radio-frequency power amplifier, secondary power amplification in one of the embodiments,
Device, first antenna are successively electrically connected, and are formed and are sent circuit.
Optionally, the SAW filter, low-noise amplifier, first antenna are successively electric in one of the embodiments,
Property connection, formed first receive circuit.
Optionally, the SAW filter, low-noise amplifier, the second antenna are successively electric in one of the embodiments,
Property connection, formed second receive circuit.
Optionally, the special frequency channel includes 400MHz, 600MHz, 1.4G/1.8GHz in one of the embodiments,
At least one of.
Optionally, the video camera is PTZ camera in one of the embodiments,.
Implement the utility model embodiment, will have the following beneficial effects:
Above-mentioned wireless camera acquisition device is acquired video camera by the way that the wireless communication module inside video camera is arranged in
Image data be transmitted to data processing unit by Network Interface Unit, described image data are turned by data processing unit
It is changed to radiofrequency signal, transmits the radiofrequency signal by antenna element.By above-mentioned apparatus, so that long-distance monitorng device has nothing
Line transfer function avoids laying-out in certain circumstances, scene strong applicability, and increases wireless transmission distance, reduces
Transmission power consumption.
Detailed description of the invention
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only
It is some embodiments of the utility model, for those of ordinary skill in the art, in the premise not made the creative labor
Under, it is also possible to obtain other drawings based on these drawings.
Wherein:
Fig. 1 is the structural block diagram of wireless camera acquisition device in one embodiment；
Fig. 2 is the structural block diagram of wireless communication module in one embodiment；
Fig. 3 is the structural block diagram of wireless camera acquisition device in another embodiment.
Specific embodiment
It is with reference to the accompanying drawings and embodiments, right in order to which the objects, technical solutions and advantages of the application are more clearly understood
The application is further elaborated.It should be appreciated that specific embodiment described herein is only used to explain the application, and
It is not used in restriction the application.
Unless otherwise defined, all technical and scientific terms used herein and the technical field for belonging to the application
The normally understood meaning of technical staff is identical.The term used in the description of the present application is intended merely to description tool herein
The purpose of the embodiment of body, it is not intended that limitation the application.It is appreciated that term " first " used in this application, " second "
Etc. can be used to describe various elements herein, but these elements should not be limited by these terms.These terms are only used to by first
A element and another element are distinguished.
A kind of wireless camera acquisition device presented below is applied to long-range monitoring scene, long-distance monitorng device can be made to have
Standby wireless transmission function, the particular field for avoiding laying-out in certain circumstances, such as military affairs, fire-fighting, railway etc. from being difficult to be routed
Scape, and the wireless camera acquisition device increases the distance of wireless transmission, reduces transmission power consumption.As shown in Figure 1, being one
The structural block diagram of wireless camera acquisition device in embodiment, the wireless camera acquisition device include the video camera 110 being electrically connected
With wireless communication module 120, for video camera 110 for acquiring image data, image data includes photos and videos etc..Optionally,
Wireless communication module 120 can also be that setting is embedded in video camera 110 inside video camera 110, such as by wireless communication module
It is interior.
Wireless communication module 120 includes Network Interface Unit 122, data processing unit 124 and the day being successively electrically connected
Line unit 126, the image data that video camera 110 acquires are transmitted to data processing unit 124 by Network Interface Unit 122, pass through
It crosses data processing unit 124 and described image data is converted into radiofrequency signal, transmit the radio frequency by antenna element 126 and believe
Number, it eats dishes without rice or wine for example, being sent to radiofrequency signal by antenna, by air interface transmission to base station, after base station receives the radiofrequency signal
The radiofrequency signal is converted into data and is sent to background monitoring platform, monitoring personnel can be acquired with remote real-time monitoring wireless camera
The image information that device obtains.
Above-mentioned wireless camera acquisition device is acquired video camera by the way that the wireless communication module inside video camera is arranged in
Image data be transmitted to data processing unit by Network Interface Unit, described image data are turned by data processing unit
It is changed to radiofrequency signal, transmits the radiofrequency signal by antenna element.By above-mentioned apparatus, so that long-distance monitorng device has nothing
Line transfer function avoids laying-out in certain circumstances, scene strong applicability, and increases wireless transmission distance, reduces
Transmission power consumption.
In one embodiment, as shown in Fig. 2, being the structural block diagram of wireless communication module in one embodiment, the number
It include the PCIe interface 221 being successively electrically connected, baseband processor 222, wireless transceiver 223, the filtering of sound table according to processing unit
Device 224 and amplifier 225.
Wherein, PCIe interface 221 is used for transmission image data, which includes USB interface, is broadly applicable
In multiple terminal equipment, wireless communication module is accessed when terminal device passes through the PCIe interface 221, can be realized and pass through private network
Network transmits data.SAW filter 224 is used to filter out the clutter in radiofrequency signal, promotes the quality of radiofrequency signal.Amplifier
225 for carrying out signal amplification.
Primary clustering inside baseband processor 222 is digital signal processor (Digital Signal
Processing, DSP), microcontroller (Microcontroller Unit, MCU), the units such as memory, support a variety of communications to mark
Standard provides multimedia function and is used for multi-media display, imaging sensor and the relevant interface of audio frequency apparatus, can be to defeated
The pending data entered carries out Digital Signal Processing, completes channel equalization, channel coding/decoding and call voice encoding and decoding and waited
Journey.
Wireless transceiver 223 is used to carry out the conversion of sine wave analog signal and radiofrequency signal, sine wave analog signal
It is I/Q signal (I indicates same phase, and Q indicates orthogonal, with I phase difference 90 degree), carries user data in I/Q signal, wirelessly receiving
In the treatment process for sending out device 223, digital modulation is by data load in the process of radio-frequency carrier, and solution modulation is then by data from penetrating
The process taken out in frequency signal.
Further, wireless transceiver 223 is also used to the rf-signal modulation to special frequency channel.In wireless communications
Frequency spectrum includes the frequency between 9khz to 300000Ghz, each wireless service is all related to some wireless frequency spectrum region
Connection, special frequency channel are that authorization can be applied to the application scenarios such as the frequency range, such as public security, fire-fighting, railway in professional application field, wirelessly
Digital I/Q signal is converted to the radiofrequency signal of dedicated frequency range by transceiver 223, wireless camera acquisition device is passed through special
With band transmissions data.
Wireless camera acquisition device provided in this embodiment, by the PCIe interface that is successively electrically connected, baseband processor,
Wireless transceiver, SAW filter and amplifier carry out Digital Signal Processing to pending data, carry out sine wave analog signal
Wireless camera acquisition device is worked and by the rf-signal modulation to special frequency channel with the conversion of radiofrequency signal
In dedicated frequency range, the special screnes such as public security, fire-fighting, railway can be widely used in, realization is remote, carries out data with low power
Transmission.
In one embodiment, the working frequency range of wireless camera acquisition device includes 400MHz, 600MHz, 1.4G/
1.8GHz etc., can be by rf-signal modulation to the frequency range by the wireless transceiver in wireless communication module.
In one embodiment, as shown in figure 3, being the structural block diagram of wireless camera acquisition device in another embodiment,
The wireless communication module further includes antenna element, and the antenna element and amplifier are electrically connected, for sending or receiving radio frequency letter
Number.Specifically, antenna element includes first antenna 329 and the second antenna 330, such as first antenna 329 is primary antenna, second day
Antenna supplemented by line 330 realizes the function that a hair two is received by primary antenna and auxiliary antenna.First antenna 329 is used for radiofrequency signal
It is sent to and eats dishes without rice or wine, first antenna 329 and the second antenna 330 are used for while receiving from the radiofrequency signal eated dishes without rice or wine.It eats dishes without rice or wine to refer to
Wireless propagation path between base station and wireless communication module, when defining the frequency of use, bandwidth, access of each wireless channel
Machine, coding method and handover etc..
In one embodiment, please continue to refer to Fig. 3, the amplifier includes radio-frequency power amplifier 326 and low noise
Amplifier 327, radio-frequency power amplifier 326 are used to increase the radio frequency power output of the radiofrequency signal, low-noise amplifier 327
For the radiofrequency signal received from antenna element to be amplified.
In one embodiment, please continue to refer to Fig. 3, the amplifier further includes two-stage power amplifier 328, second level function
Rate amplifier 328 and radio-frequency power amplifier 326 are electrically connected, for penetrating to by radio-frequency power amplifier 326 is amplified
Frequency signal carries out second level amplification, increases the transmission power of the radiofrequency signal, and then increase the transmission distance of wireless communication module
From.For example, which can be radio-frequency power amplifier, and the radiofrequency signal of wireless communication module passes through one
Stage power amplifier and two-stage power amplifier carry out the amplified transmission power of signal and reach 30dBm, so that wireless telecommunications mould
The signal transmission distance of block reaches 50 kilometers.
In one embodiment, please continue to refer to Fig. 3, SAW filter 325, radio-frequency power amplifier 326, secondary power
Amplifier 328, first antenna 329 are successively electrically connected, and form the transmission circuit of radiofrequency signal, can be by wireless transceiver 324
The radiofrequency signal of output is sent to by first antenna 329 after filtering, level-one amplification, second level amplification and is eated dishes without rice or wine.
In one embodiment, please continue to refer to Fig. 3, SAW filter 325, low-noise amplifier 327, first antenna
329 are successively electrically connected, and form first and receive circuit, can be by the received radiofrequency signal of first antenna 329 by amplification, filtering
After be transmitted to wireless transceiver 324.
In one embodiment, please continue to refer to Fig. 3, SAW filter 325, low-noise amplifier 327, the second antenna
330 are successively electrically connected, and form second and receive circuit, can be by the received radiofrequency signal of the second antenna 330 by amplification, filtering
After be transmitted to wireless transceiver 324.
In one embodiment, the video camera is PTZ camera, which carries out with carrying video camera
The device of horizontal and vertical directions rotation, can be such that video camera is imaged from multiple angles, so that the wireless camera acquires
Device can be adapted for the scene that more application scenarios, such as fire-fighting, railway, harbour etc. need multi-angle monitoring.
In one embodiment, which further includes MCP (Multiple Chip Package, multicore
Piece encapsulation) memory, the MCP memory and wireless communication module be electrically connected, for storage system firmware, application program with
User data.
In one embodiment, the both-way communication between base station may be implemented in wireless camera acquisition device, and passes through institute
Stating antenna can be realized the function of a hair two receipts, enhance the receive capabilities of wireless camera acquisition device.
Specifically, for example, the signal processing flow of data is sent from wireless camera acquisition device to base station are as follows: holder
The image data of video camera acquisition is transmitted to baseband processor by network interface and PCIe interface and carries out Digital Signal Processing, base
By treated, digital I/Q signal is sent to wireless transceiver progress signal conversion to provided with processor, and wireless transceiver believes digital IQ
It number is converted into the radiofrequency signal of dedicated frequency range, which filters out clutter by SAW filter, and radio-frequency power amplifies
Device and two-stage power amplifier are transmitted to first antenna after carrying out signal amplification, and radiofrequency signal is sent to sky by first antenna
Mouthful, and then it is transmitted to base station.
Further, the signal processing flow of wireless camera acquisition device when receiving the data that base station is sent are as follows: by the
One antenna and the second antenna are received simultaneously from the radiofrequency signal eated dishes without rice or wine, which is carried out letter by low-noise amplifier
Number amplification, SAW filter be sent to wireless transceiver after filtering out clutter, radiofrequency signal is converted to by wireless transceiver
Digital I/Q signal, then be transmitted to baseband processor and carry out Digital Signal Processing, will treated data are sent to PCIe interface, simultaneously
Pass through network interface transfers to PTZ camera.
Above-mentioned wireless camera acquisition device is acquired video camera by the way that the wireless communication module inside video camera is arranged in
Image data be transmitted to data processing unit by Network Interface Unit, described image data are turned by data processing unit
It is changed to radiofrequency signal, transmits the radiofrequency signal by antenna element.By above-mentioned apparatus, so that long-distance monitorng device has nothing
Line transfer function avoids laying-out in certain circumstances, scene strong applicability, and increases wireless transmission distance, reduces
Transmission power consumption.
The several embodiments of the application above described embodiment only expresses, the description thereof is more specific and detailed, but simultaneously
The limitation to the application the scope of the patents therefore cannot be interpreted as.It should be pointed out that for those of ordinary skill in the art
For, without departing from the concept of this application, various modifications and improvements can be made, these belong to the guarantor of the application
Protect range.Therefore, the scope of protection shall be subject to the appended claims for the application patent.
Claims (10)
1. a kind of wireless camera acquisition device characterized by comprising
Video camera, for acquiring image data；
With the video camera be electrically connected wireless communication module, including be successively electrically connected Network Interface Unit, data processing
Unit and antenna element, described image data are transmitted to the data processing unit by the Network Interface Unit, by institute
It states data processing unit and described image data is converted into radiofrequency signal, transmit the radiofrequency signal by the antenna element.
2. wireless camera acquisition device according to claim 1, which is characterized in that the data processing unit includes successively
PCIe interface, baseband processor, wireless transceiver, SAW filter and the amplifier of electric connection, the PCIe interface are used for
Described image data are transmitted, the baseband processor is used to carry out Digital Signal Processing, the wireless receipts to described image data
Hair device is used to carry out the conversion of sine wave analog signal and radiofrequency signal, and the SAW filter is described to put for filtering clutter
Big device is for carrying out signal amplification；
Wherein, the wireless transceiver is also used to the rf-signal modulation to default frequency range.
3. wireless camera acquisition device according to claim 2, which is characterized in that the amplifier includes that radio-frequency power is put
Big device and low-noise amplifier, the radio-frequency power amplifier is used to increase the radio frequency power output of the radiofrequency signal, described
Low-noise amplifier is used to received radiofrequency signal carrying out signal amplification.
4. wireless camera acquisition device according to claim 3, which is characterized in that the amplifier further includes secondary power
Amplifier, the two-stage power amplifier and the radio-frequency power amplifier are electrically connected, for by the radio-frequency power
The amplified radiofrequency signal of amplifier carries out second level amplification.
5. wireless camera acquisition device according to claim 4, which is characterized in that the antenna element includes first antenna
With the second antenna, the first antenna is eated dishes without rice or wine for the radiofrequency signal to be sent to, and the first antenna and the second antenna are used
The radiofrequency signal is received in simultaneously.
6. wireless camera acquisition device according to any one of claims 2 to 5, which is characterized in that the SAW filter,
Radio-frequency power amplifier, two-stage power amplifier, first antenna are successively electrically connected, and are formed and are sent circuit.
7. wireless camera acquisition device according to any one of claims 2 to 5, which is characterized in that the SAW filter,
Low-noise amplifier, first antenna are successively electrically connected, and are formed first and are received circuit.
8. wireless camera acquisition device according to any one of claims 2 to 5, which is characterized in that the SAW filter,
Low-noise amplifier, the second antenna are successively electrically connected, and are formed second and are received circuit.
9. wireless camera acquisition device according to claim 2, which is characterized in that the default frequency range include 400MHz,
At least one of 600MHz, 1.4G/1.8GHz.
10. wireless camera acquisition device according to claim 1, which is characterized in that the video camera is PTZ camera.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920039200.6U CN209330271U (en) | 2019-01-10 | 2019-01-10 | Wireless camera acquisition device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920039200.6U CN209330271U (en) | 2019-01-10 | 2019-01-10 | Wireless camera acquisition device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209330271U true CN209330271U (en) | 2019-08-30 |
Family
ID=67731030
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|---|---|---|---|
| CN201920039200.6U Active CN209330271U (en) | 2019-01-10 | 2019-01-10 | Wireless camera acquisition device |
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|---|---|
| CN (1) | CN209330271U (en) |
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2019
- 2019-01-10 CN CN201920039200.6U patent/CN209330271U/en active Active
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