CN204929118U - Digital audio and video transmitter that electric power hand -held type is wireless - Google Patents
Digital audio and video transmitter that electric power hand -held type is wireless Download PDFInfo
- Publication number
- CN204929118U CN204929118U CN201520435715.XU CN201520435715U CN204929118U CN 204929118 U CN204929118 U CN 204929118U CN 201520435715 U CN201520435715 U CN 201520435715U CN 204929118 U CN204929118 U CN 204929118U
- Authority
- CN
- China
- Prior art keywords
- electric power
- digital audio
- video
- fuselage
- video coding
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 230000005540 biological transmission Effects 0.000 description 8
- 238000000034 method Methods 0.000 description 4
- 238000013461 design Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 230000008054 signal transmission Effects 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 238000007689 inspection Methods 0.000 description 2
- 238000010295 mobile communication Methods 0.000 description 2
- 238000012546 transfer Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 238000011835 investigation Methods 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
- 238000012549 training Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Abstract
The utility model discloses a digital audio and video transmitter that electric power hand -held type is wireless, including fuselage and built -in battery, the inside video coding board who connects gradually, baseband modulation board and the power amplifier who adopts the COFDM digital modulation of still installing of fuselage, power amplifier still is connected with the antenna, and wherein video coding board is for adopting the MPEG24 or the video coding board of encoded mode H. 264, the utility model discloses the complete machine integrated level is high, and is small, can conveniently hand -carry to can transmit the fine definition image in real time high -efficiently, be suitable for popularization and application.
Description
Technical field
The utility model relates to electric power field of wireless transmission, particularly, relates to a kind of electric power portable wireless digital audio/video transmitter.
Background technology
In the application such as electric power detection, line inspection, emergent scene, frequent needs investigation shooting, enforcement transmission, and the result of shooting wherein will be needed to be sent by wireless signal, this will adopt wireless image transmission equipment that the image of high definition, voice or numerical data are sent to receiving system.
At present, the digital audio/video transmitter performance that known power industry uses is more single, encryption is inconvenient, complete machine integrated level is not high, can not utilize existing various open public mobile communication network system, can only carry out Signal transmissions by the transfer receiving equipment of dedicated frequency, therefore comparatively large, the weight of equipment volume lays particular stress on, there is the defects such as sensitivity is not high, bandwidth is non-adjustable, transmission range is short, laser propagation effect is not very desirable simultaneously yet; In addition, due to not embedded battery, be generally also not suitable for carrying with.
As can be seen here, above-mentioned existing wireless digital audio and video frequency transmitters, on structure and fuction, obviously still has inconvenience and defect, and is urgently further improved.How to found a kind of volume little, can conveniently carry with, and the electric power portable wireless digital audio/video transmitter of transmission of high-definition image real-time and efficiently can become the target need improved current industry pole.
Utility model content
The purpose of this utility model is to provide a kind of electric power portable wireless digital audio/video transmitter, and this transmitter volume is little, can conveniently carry with, and can transmission of high-definition image real-time and efficiently.
To achieve these goals, the utility model adopts following technical scheme:
A kind of electric power portable wireless digital audio/video transmitter, comprise fuselage and built-in battery, described fuselage interior is also provided with the Video coding plate connected successively, the baseband modulation plate adopting COFDM digital modulation and power amplifier, and described power amplifier is also connected with antenna.
Further, described Video coding plate is the Video coding plate adopting MPEG2/4 or H.264 coded system.
Further, described fuselage interior is provided with separate space, separates described Video coding plate, baseband modulation plate and power amplifier.
Further, described Video coding plate receives outside audio frequency and video AV signal by five core aviation plugs, and described five core aviation plugs are arranged on fuselage, described fuselage are also provided with for controlling the MINIUSB socket with configuration data.
Further, described power amplifier is connected by SMA radio frequency delivery with antenna, described power amplifier directly welds described SMA radio frequency delivery, and described SMA radio frequency delivery is arranged on the top of fuselage.
Further, described fuselage side is also provided with a concealed switch.
By adopting technique scheme, the utility model at least has following beneficial effect:
1, electric power portable wireless digital audio/video transmitter of the present utility model, its fuselage interior is provided with the Video coding plate (as adopted the Video coding plate of MPEG2/4 or the Multi-encoding mode such as H.264) connected successively, adopt baseband modulation plate and the power amplifier of COFDM digital modulation, make audio frequency and video, data, the function accessible site such as user encryption are on one block of baseband modulation plate, can at very little volume in-built lower a set of transmitter module, complete machine integrated level is high, and existing various open public mobile communication network system can be utilized, Signal transmissions is carried out without the need to the transfer receiving equipment by dedicated frequency, make audio frequency and video, data, the signals such as user encryption are in complex condition (sighting distance, non line of sight, V≤300km/h in high-speed mobile) inhibit signal is continuously unimpeded, effectively transmit, can the image of transmission of high-definition, because baseband modulation plate adopts the wide COFDM modulation technique of multi-band, channel width 8/4/2MHz is adjustable.
2, be provided with built-in battery, can facilitate hand-held and carry with.
3, fuselage interior is provided with separate space, and efficiently solve the problem of electromagnetic shielding, stray radiation is little.
4, Interface integration degree is high, and five core aviation plug are used for connecing the analog signal of AV, and the MINIUSB interface of bottom is used for facilitating the later stage to upgrade, safeguard and control and configuration data.
5, by directly welding SMA radio frequency delivery on power amplifier, gain loss is effectively reduced.
6, by arranging concealed switch in fuselage side, switch misoperation can effectively be prevented.
7, the utility model ease for operation is strong, and operation push-button is simple and clear, makes any people without background of related after simple training, can grasp rapidly the operation of product, drops into normal work, thus improve its adaptability to changes within very short time.
Below by drawings and Examples, the technical solution of the utility model is described in further detail.
Accompanying drawing explanation
Fig. 1 is the fundamental diagram of a kind of electric power portable wireless of the utility model digital audio/video transmitter;
Fig. 2 is the structural representation of a kind of electric power portable wireless of the utility model digital audio/video transmitter.
Embodiment
Below in conjunction with accompanying drawing, preferred embodiment of the present utility model is described, should be appreciated that preferred embodiment described herein is only for instruction and explanation of the utility model, and be not used in restriction the utility model.
As shown in Figure 1, electric power portable wireless digital audio/video transmitter of the present utility model provides advanced COFDM (OFDM of chnnel coding) digital modulating/demodulating technology and MPEG2/4, the digital compression technology such as H.264, its core concept be Video coding plate by being arranged on fuselage interior to the audio frequency and video AV signal that outside is accessed adopt MPEG2/4 or H.264 Multi-encoding mode encode, modulation, and adopt COFDM digital modulation by baseband modulation plate, D/A conversion is carried out to the signal that Video coding plate exports, up-conversion etc., by power amplifier, signal is amplified again, by antenna, the information after modulation is sent with high-frequency signal again, finally receive the image of high definition.
Electric power portable wireless digital audio/video transmitter of the present utility model, its structure adopts unitary design, as shown in Figure 2, comprise fuselage 5 and built-in battery (not shown), fuselage 5 inside be provided with adopt COFDM digital modulation baseband modulation plate 8, H.264 adopt MPEG2/4 or the Video coding plate 9 of coded system and the power amplifier 10 such as; Baseband modulation plate 8 is connected by high standard fine rule with Video coding plate 9, and baseband modulation plate 8 is connected by half soft radio frequency line with power amplifier 10; Power amplifier 10 directly welds SMA radio frequency delivery 7, and effectively can reduce gain loss, SMA radio frequency delivery 7 is arranged on the top of fuselage 5, and power amplifier 10 is connected with glue staff aerial 4 by SMA radio frequency delivery.
Fuselage 5 inside is provided with separate space, as the design of platform, lip can be utilized, mutually nested design to each other separates baseband modulation plate 8, Video coding plate 9 and power amplifier 10, solves the Electro Magnetic Compatibility EMC problem between each functional module, serves the effect improving signal transmission quality.
Fuselage 5 top is provided with five core aviation plugs 1 and relay indicating light 2, and Video coding plate 9 receives outside audio frequency and video AV signal by five core aviation plugs 1; Fuselage 5 is also provided with for controlling the MINIUSB socket (not shown) with configuration data; Fuselage 5 side is also provided with a concealed switch 6.
Above-mentioned electric power portable wireless digital audio/video transmitter, be mainly used in public affairs, inspection, method, the unit departments such as security bureau, there is compact, the advantage such as lightweight and adopt MPEG2/4, H.264 Multi-encoding mode and COFDM digital modulation mode is waited, transmitting image can reach HD image effect, diffracting power is strong, support non line of sight transmits, can in built-in pocket with it, coordinate pinhole camera, in close bat, during evidence obtaining the image data transmission at scene to receiving system, it is widely used in the practicality used, and meet developing direction and the demand of industry completely, there is sizable industry using value.
Last it is noted that the foregoing is only preferred embodiment of the present utility model, be not limited to the utility model, although be described in detail the utility model with reference to previous embodiment, for a person skilled in the art, it still can be modified to the technical scheme described in previous embodiment, or carries out equivalent replacement to wherein portion of techniques feature.All within spirit of the present utility model and principle, any amendment done, equivalent replacement, improvement etc., all should be included within protection range of the present utility model.
Claims (6)
1. an electric power portable wireless digital audio/video transmitter, it is characterized in that, comprise fuselage and built-in battery, described fuselage interior is also provided with the Video coding plate connected successively, the baseband modulation plate adopting COFDM digital modulation and power amplifier, and described power amplifier is also connected with antenna.
2. electric power portable wireless digital audio/video transmitter according to claim 1, is characterized in that, described Video coding plate is the Video coding plate adopting MPEG2/4 or H.264 coded system.
3. electric power portable wireless digital audio/video transmitter according to claim 1 and 2, it is characterized in that, described fuselage interior is provided with separate space, separates described Video coding plate, baseband modulation plate and power amplifier.
4. electric power portable wireless digital audio/video transmitter according to claim 1 and 2, it is characterized in that, described Video coding plate receives outside audio frequency and video AV signal by five core aviation plugs, described five core aviation plugs are arranged on fuselage, described fuselage are also provided with for controlling the MINIUSB socket with configuration data.
5. electric power portable wireless digital audio/video transmitter according to claim 1 and 2, it is characterized in that, described power amplifier is connected by SMA radio frequency delivery with antenna, described power amplifier directly welds described SMA radio frequency delivery, and described SMA radio frequency delivery is arranged on the top of fuselage.
6. electric power portable wireless digital audio/video transmitter according to claim 1 and 2, it is characterized in that, described fuselage side is also provided with a concealed switch.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520435715.XU CN204929118U (en) | 2015-06-24 | 2015-06-24 | Digital audio and video transmitter that electric power hand -held type is wireless |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520435715.XU CN204929118U (en) | 2015-06-24 | 2015-06-24 | Digital audio and video transmitter that electric power hand -held type is wireless |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204929118U true CN204929118U (en) | 2015-12-30 |
Family
ID=54978211
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520435715.XU Expired - Fee Related CN204929118U (en) | 2015-06-24 | 2015-06-24 | Digital audio and video transmitter that electric power hand -held type is wireless |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204929118U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105979290A (en) * | 2016-05-11 | 2016-09-28 | 张学军 | COFDM high-speed wireless image transmitter |
-
2015
- 2015-06-24 CN CN201520435715.XU patent/CN204929118U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105979290A (en) * | 2016-05-11 | 2016-09-28 | 张学军 | COFDM high-speed wireless image transmitter |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102780953B (en) | For fetching receptor and the method for information signal from magnetic strength induction signal | |
| CN114976631B (en) | Terminal antenna and electronic equipment | |
| CN103679356A (en) | Method and system combining teleworking with network maintenance | |
| CN102684864A (en) | Mobile communication terminal | |
| CN104601962B (en) | Audio video transmission intercom system based on universal serial bus and method | |
| CN106330233A (en) | Intelligent wireless communication terminal | |
| CN204929118U (en) | Digital audio and video transmitter that electric power hand -held type is wireless | |
| CN201860405U (en) | Intelligent remote controller | |
| CN202014240U (en) | Wireless voice communication system applicable to face mask of air breathing apparatus | |
| CN202231867U (en) | Mobile communication radio frequency remote system | |
| CN207382553U (en) | A kind of bluetooth wirelessly shares bracelet | |
| CN206024039U (en) | A kind of multiple wireless mike | |
| CN206004655U (en) | A kind of transmitter receiver based on 4G Internet phone-calling | |
| CN205726038U (en) | Anury law-enforcing recorder and system, law-enforcing recorder acquisition workstation and acquisition system | |
| CN204697109U (en) | Based on the emergency communication equipment with information analysis processing capacity of the Big Dipper | |
| CN208227266U (en) | Make the earphone of wireless signal transmission by ferrule band | |
| CN203233410U (en) | Clip-type wireless receiver | |
| CN207460472U (en) | A kind of radio system of ear barrier person | |
| CN102916745B (en) | LED illumination device, wireless light communication Apparatus and system | |
| CN202586943U (en) | Novel shortwave broadband multichannel digital receiver | |
| CN203086452U (en) | Digital wireless intercommunicating system | |
| CN206506598U (en) | A kind of individual soldier's broadband wireless access terminal | |
| CN218734298U (en) | Millimeter wave screen projection system and equipment based on Q-Band | |
| CN207968645U (en) | A kind of law-enforcing recorder with day wing intercommunication function | |
| CN208128543U (en) | A kind of private network multifunctional portable terminal |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20151230 Termination date: 20160624 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |