CN205510266U - Coaxial upgrading system for simulation video equipment - Google Patents
Coaxial upgrading system for simulation video equipment Download PDFInfo
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- CN205510266U CN205510266U CN201620257638.8U CN201620257638U CN205510266U CN 205510266 U CN205510266 U CN 205510266U CN 201620257638 U CN201620257638 U CN 201620257638U CN 205510266 U CN205510266 U CN 205510266U
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Abstract
The utility model discloses a coaxial upgrading system for simulation video equipment. Wherein, this method is including setting up the gang control ware in the controlgear of rear end and setting up the coaxial decoding circuit in front end simulation video equipment, wherein: the gang control ware for the analog video signal that will insert the configurator sends to front end simulation video equipment, coaxial decoding circuit is connected through coaxial cable and gang control ware for to received analog video signal decode, obtain the configurator. The utility model provides an owing to carry out long -range upgrading to the simulation video equipment, the upgrading length consuming time that results in, the technical problem that transmission distance is short through the control line.
Description
Technical field
This utility model relates to video capture field, is applied to the coaxial of analog video equipment in particular to a kind of
Upgrade-system and closed-circuit TV monitoring system.
Background technology
In the evolution of security and guard technology, closed-circuit television CCTV once occupied very important status.But, along with
The rise of network digital technique, carrys out the Composite Video Baseband Signal CVBS of transmitted video content based on analog video signal
Weak point the most progressively reveal.It is wherein: use the closed-circuit television system of CVBS, there is upgrade maintenance
The problem of difficulty.
In the middle of prior art, it is desirable to the hardware device in the closed-circuit television system using CVBS is carried out firmware renewal,
The mode generally used includes following two:
One, arrives equipment location by staff, upgrades its firmware after tearing machine open again.This kind of method pair
Drain on manpower and material resources is excessive, causes maintenance cost high；
Its two, carry out remote upgrade by RS-485 control pair firmware.Owing to using RS-485 control pair data
Being transmitted, limited by transmission range and transfer rate, upgrading institute elapsed time is longer.Especially work as transmission range
After 100m, the bit error rate of code during in order to reduce transmission, need to reduce Transmission bit rate, and then cause upgrading
Time lengthening.
For above-mentioned problem, effective solution is the most not yet proposed.
Utility model content
This utility model embodiment provides a kind of coaxial upgrade-system being applied to analog video equipment and closed-circuit television prison
Ore-controlling Role, at least to solve owing to carrying out remote upgrade by control pair analog video equipment, the upgrading caused is time-consuming
Technical problem long, that transmission range is short.
An aspect according to this utility model embodiment, it is provided that a kind of coaxial upgrading being applied to analog video equipment
System, coaxial be arranged in front end analogue video equipment including the same axis controller being arranged in rear end control equipment
Decoding circuit, wherein: same to axis controller, for sending the analog video signal inserting configurator to front end mould
Intend video equipment；Coaxial decoding circuit, is connected with same axis controller by coaxial cable, for the simulation received
Decoding video signal, it is thus achieved that configurator.
Further, include with axis controller: insert code circuit, for configurator is inserted into analog video signal
In row field blanking district and/or effectively row.
Further, also include with axis controller: composite video coffret, be connected with slotting code circuit, be used for sending
Comprise the analog video signal of configurator.
Further, it is integrated on the coaxial cable connector in rear end control equipment with axis controller.
Further, front end analogue video equipment includes: micro-control unit, is connected with coaxial decoding circuit.
Further, front end analogue video equipment also includes: imageing sensor and D/A converting circuit, digital-to-analogue conversion electricity
Road is connected with imageing sensor, for digital video signal is converted to analog video signal, wherein, and micro-control unit
It is connected with imageing sensor and D/A converting circuit respectively.
Further, front end analogue video equipment also includes: lens assembly, and lens assembly is connected with micro-control unit,
For controlling the aperture state of lens assembly.
Further, control equipment in rear end is any one in DVR, network hard disk video recorder, optical transmitter and receiver.
Further, front end analogue video equipment is analog video camera.
According to the another aspect of this utility model embodiment, additionally provide a kind of closed-circuit TV monitoring system, including above-mentioned
The coaxial upgrade-system of any one
In this utility model embodiment, by the same axis controller that is arranged in rear end control equipment be arranged at front end
Coaxial decoding circuit in analog video equipment, wherein: same to axis controller, for inserting the simulation of configurator
Video signal sends to front end analogue video equipment；Coaxial decoding circuit, is connected with same axis controller by coaxial cable,
For the analog video signal received is decoded, it is thus achieved that configurator, by having in analog video signal
Effect row and/or row field blanking district insert configurator, can be to front end analogue video equipment by existing coaxial cable
Carry out the technique effect upgraded, reached to improve purpose front end analogue video equipment being risen to stage efficiency, and then solved
Owing to carrying out remote upgrade by control pair analog video equipment, the upgrading that causes time-consuming long, transmission range is short
Technical problem.
Accompanying drawing explanation
Accompanying drawing described herein is used for providing being further appreciated by of the present utility model, constitutes the part of the application,
Schematic description and description of the present utility model is used for explaining this utility model, is not intended that of the present utility model
Improper restriction.In the accompanying drawings:
Fig. 1 is a kind of coaxial upgrade-system being optionally applied to analog video equipment according to this utility model embodiment
Schematic diagram；
Fig. 2 is a kind of coaxial upgrade-system being optionally applied to analog video equipment according to this utility model embodiment
Schematic diagram；
Fig. 3 is for controlling the composite video waveform that front end analogue video equipment resets；
Fig. 4 is for controlling the composite video waveform that the lens aperture of front end analogue video equipment is closed；
Fig. 5 is the composite video waveform for forward end analog video device transmission configurator.
Detailed description of the invention
In order to make those skilled in the art be more fully understood that this utility model scheme, real below in conjunction with this utility model
Execute the accompanying drawing in example, the technical scheme in this utility model embodiment is clearly and completely described, it is clear that institute
The embodiment described is only the embodiment of this utility model part rather than whole embodiments.Based on this practicality
Embodiment in novel, those of ordinary skill in the art obtained under not making creative work premise all its
His embodiment, all should belong to the scope of this utility model protection.
It should be noted that term " first " in specification and claims of the present utility model and above-mentioned accompanying drawing,
" second " etc. are for distinguishing similar object, without being used for describing specific order or precedence.Should manage
Solve the data so used can exchange in the appropriate case, in order to embodiment of the present utility model described herein can
Implement with the order in addition to those here illustrating or describing.Additionally, term " includes " and " having " with
And their any deformation, it is intended that cover non-exclusive comprising, such as, contain a series of unit system,
Product or equipment are not necessarily limited to those unit clearly listed, but can include the most clearly listing or for this
A little products or intrinsic other unit of equipment.
Fig. 1 is a kind of coaxial upgrade-system being optionally applied to analog video equipment according to this utility model embodiment
Schematic diagram, as it is shown in figure 1, this system includes being arranged at same axis controller 12 that rear end controls in equipment 10 and sets
The coaxial decoding circuit 22 being placed in front end analogue video equipment 20, wherein.
Wherein, with axis controller 12, for the analog video signal transmission inserting configurator is regarded to front end analogue
Frequently equipment 20；Coaxial decoding circuit 22, is connected with same axis controller 12 by coaxial cable 30, for receiving
Analog video signal be decoded, it is thus achieved that configurator.
Concrete, by arranging same axis controller 12 and at front end analogue video equipment 20 in controlling equipment 10 in rear end
In coaxial decoding circuit 22 is set, it is achieved that by the effective row in analog video signal and/or row field blanking district
Insertion configurator, technique effect front end analogue video equipment can upgraded by existing coaxial cable,
Reach to improve purpose front end analogue video equipment being risen to stage efficiency, and then solved due to by control pair mould
Intend video equipment and carry out remote upgrade, the technical problem that upgrading is the longest, transmission range is short caused.
As the optional embodiment of one, as in figure 2 it is shown, above-mentioned same axis controller 12 includes: insert code circuit 121.
Wherein, insert code circuit 121, for configurator being inserted into the row field blanking district of analog video signal and/or having
In effect row.
Concrete, insert code circuit 121 and process for analog video signal being carried out slotting code, configurator is inserted into mould
Intend in row field blanking district and/or effective row of video signal.
As the optional embodiment of one, as in figure 2 it is shown, above-mentioned same axis controller 12 also includes: composite video passes
Defeated interface 123.
Wherein, composite video coffret 123, it is connected with slotting code circuit 121, comprises configurator for sending
Analog video signal.
As the optional embodiment of one, it is coaxial that above-mentioned same axis controller 12 is integrated in rear end control equipment 10
On cable connector 125.
As the optional embodiment of one, as in figure 2 it is shown, above-mentioned front end analogue video equipment 20 also includes: micro-control
Unit 24 processed.
Wherein, micro-control unit 24, it is connected with described coaxial decoding circuit 22.
As the optional embodiment of one, as in figure 2 it is shown, above-mentioned front end analogue video equipment 20 also includes: image
Sensor 26 and D/A converting circuit 27.
Wherein, D/A converting circuit 27 is connected with imageing sensor 26, for digital video signal is converted to simulation
Video signal, wherein, micro-control unit 24 is connected with imageing sensor 26 and D/A converting circuit 27 respectively.
As the optional embodiment of one, as in figure 2 it is shown, front end analogue video equipment 20 also includes: lens assembly
28。
Wherein, lens assembly 28 is connected with micro-control unit 24, for controlling the aperture state of lens assembly 28.
As the optional embodiment of one, it is DVR, network hard disk video recorder, light that rear end controls equipment 10
Any one in terminal.
As the optional embodiment of one, front end analogue video equipment 20 is analog video camera.
As the optional embodiment of one, in the middle of reality application, can apply to the above-mentioned analog video that is applied to and set
The upgrade method of standby coaxial upgrade-system, it realizes process and may include that
First, in wanting front end analogue video equipment and rear end control equipment, burning is used for the coaxial hardware driving journey controlled
Sequence, and to arrange in hardware drive program and include control imageing sensor and the initialization information of lens assembly；
Secondly, rear end controls equipment and passes through to send coaxial reset instruction with axis controller forward end analog video equipment, with
The composite video waveform of axle reset instruction is as shown in Figure 3；
3rd, the micro-control unit in front end analogue video equipment restarts after receiving coaxial reset signal；
4th, leading portion analog video equipment is after restarting, and micro-control unit runs and drives for the coaxial hardware controlled
Dynamic program, closes lens aperture, and composite video waveform now is as shown in Figure 4；
5th, rear end is controlled equipment and starts to be controlled the configurator being used for configuring front end analogue video equipment by coaxial
Device is inserted in the row field blanking district of analog video signal and effective row and is transmitted.Composite video waveform now is such as
Shown in Fig. 5；
Finally, front end analogue video equipment receives the coaxial decoding of analog video signal warp that rear end control device transmission comes
After circuit decoding, micro-control unit receive, and be periodically written to online in the memory element of front end analogue video equipment,
And then complete escalation process.
As the optional embodiment of one, with under pal video form, enter as a example by the one piece of STM32F101VD that upgrades
Row explanation.The baud rate of coaxial upgrading be 480kbps, STM32F101VD maximum code parking space be 384KB.Cause
This, the update time needed by above-mentioned coaxial upgrade-system is: t=384KB/ (480KB/8)=6.4S, rises
Level time t was less than 7 seconds.The upgrading to analog video camera firmware can be completed within 7 seconds outside hundreds of rice.
There is speed high, the advantage such as distance.
By above-described embodiment it was determined that the effective of all of Composite Video Baseband Signal can be utilized with axis controller
Row carries out the transmission of firmware configuration program, and above-mentioned coaxial upgrade-system has the advantage that
1, under original configuration, it is not necessary to increase extra transmission cable, only by original coaxial cable, can realize
Analog video equipment is carried out firmware upgrade.
2, update rate is fast: as a example by the pal video form of a standard, altogether vaild act 625 row, it is assumed that
600 row therein can be used to insert coaxial data, and often row inserts 16bit, then coaxial upgrading can reach baud rate and is
(600*16*50) bps=480kbps, is better than existing UART port upgrade.
3, the transmission range of coaxial cable can reach hundreds of rice, therefore, the upgrading distance of coaxial upgrade-system also up to
Hundreds of rice.
As the optional embodiment of one, wherein the analog video signal for transmission configuration program can use and shake hands
Mode guarantee the accuracy that configurator transmits.
Above-mentioned this utility model embodiment sequence number, just to describing, does not represent the quality of embodiment.
In above-described embodiment of the present utility model, the description to each embodiment all emphasizes particularly on different fields, in certain embodiment
There is no the part described in detail, may refer to the associated description of other embodiments.
The above is only preferred implementation of the present utility model, it is noted that for the common skill of the art
For art personnel, on the premise of without departing from this utility model principle, it is also possible to make some improvements and modifications, these
Improvements and modifications also should be regarded as protection domain of the present utility model.
Claims (10)
1. the coaxial upgrade-system being applied to analog video equipment, it is characterised in that include that being arranged at rear end controls to set
Same axis controller in Bei and the coaxial decoding circuit being arranged in front end analogue video equipment, wherein:
Described same axis controller, for sending the analog video signal inserting configurator to described front end mould
Intend video equipment；
Described coaxial decoding circuit, be connected with described same axis controller by coaxial cable, for receiving
Described analog video signal is decoded, it is thus achieved that described configurator.
System the most according to claim 1, it is characterised in that described same axis controller includes:
Insert code circuit, for described configurator is inserted into described analog video signal row field blanking district and/
Or effectively in row.
System the most according to claim 2, it is characterised in that described same axis controller also includes:
Composite video coffret, is connected with described slotting code circuit, for sending the institute comprising described configurator
State analog video signal.
System the most according to claim 3, it is characterised in that described same axis controller is integrated in described rear end and controls
On coaxial cable connector in equipment.
System the most according to claim 3, it is characterised in that described front end analogue video equipment includes:
Micro-control unit, is connected with described coaxial decoding circuit.
System the most according to claim 5, it is characterised in that described front end analogue video equipment also includes:
Imageing sensor and D/A converting circuit, described D/A converting circuit is connected with described imageing sensor, uses
In digital video signal is converted to analog video signal, wherein, described micro-control unit respectively with described image
Sensor and described D/A converting circuit connect.
System the most according to claim 6, it is characterised in that described front end analogue video equipment also includes:
Lens assembly, described lens assembly is connected with described micro-control unit, for controlling described lens assembly
Aperture state.
System the most according to claim 7, it is characterised in that it is DVR, net that described rear end controls equipment
Any one in network DVR, optical transmitter and receiver.
System the most according to claim 7, it is characterised in that described front end analogue video equipment is analog video camera.
10. a closed-circuit TV monitoring system, it is characterised in that include in the claims 1 to 9 described in any one
Coaxial upgrade-system.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620257638.8U CN205510266U (en) | 2016-03-30 | 2016-03-30 | Coaxial upgrading system for simulation video equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620257638.8U CN205510266U (en) | 2016-03-30 | 2016-03-30 | Coaxial upgrading system for simulation video equipment |
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| Publication Number | Publication Date |
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| CN205510266U true CN205510266U (en) | 2016-08-24 |
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ID=56734523
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| Application Number | Title | Priority Date | Filing Date |
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| CN201620257638.8U Active CN205510266U (en) | 2016-03-30 | 2016-03-30 | Coaxial upgrading system for simulation video equipment |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107888976A (en) * | 2017-11-20 | 2018-04-06 | 武汉精测电子集团股份有限公司 | A kind of program upgrade apparatus and upgrade method based on LVDS signal wires |
| CN108076289A (en) * | 2017-12-15 | 2018-05-25 | 浙江大华技术股份有限公司 | Front end picture pick-up device, upgrade method and rear end equipment |
| EP3562149A4 (en) * | 2016-12-23 | 2020-05-06 | Hangzhou Hikvision Digital Technology Co., Ltd. | Software upgrade method and device |
| CN111866363A (en) * | 2019-04-26 | 2020-10-30 | 杭州海康威视数字技术股份有限公司 | Camera remote upgrading method and device, electronic equipment and readable storage medium |
-
2016
- 2016-03-30 CN CN201620257638.8U patent/CN205510266U/en active Active
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP3562149A4 (en) * | 2016-12-23 | 2020-05-06 | Hangzhou Hikvision Digital Technology Co., Ltd. | Software upgrade method and device |
| US11435999B2 (en) | 2016-12-23 | 2022-09-06 | Hangzhou Hikvision Digital Technology Co., Ltd | Method and apparatus for upgrading software |
| CN107888976A (en) * | 2017-11-20 | 2018-04-06 | 武汉精测电子集团股份有限公司 | A kind of program upgrade apparatus and upgrade method based on LVDS signal wires |
| CN107888976B (en) * | 2017-11-20 | 2020-08-11 | 武汉精测电子集团股份有限公司 | Program upgrading device and upgrading method based on LVDS signal lines |
| CN108076289A (en) * | 2017-12-15 | 2018-05-25 | 浙江大华技术股份有限公司 | Front end picture pick-up device, upgrade method and rear end equipment |
| CN108076289B (en) * | 2017-12-15 | 2020-02-14 | 浙江大华技术股份有限公司 | Front-end camera device, upgrading method and back-end device |
| CN111866363A (en) * | 2019-04-26 | 2020-10-30 | 杭州海康威视数字技术股份有限公司 | Camera remote upgrading method and device, electronic equipment and readable storage medium |
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