CN104767924B - A kind of mining high definition video collecting system and method - Google Patents
A kind of mining high definition video collecting system and method Download PDFInfo
- Publication number
- CN104767924B CN104767924B CN201510209428.1A CN201510209428A CN104767924B CN 104767924 B CN104767924 B CN 104767924B CN 201510209428 A CN201510209428 A CN 201510209428A CN 104767924 B CN104767924 B CN 104767924B
- Authority
- CN
- China
- Prior art keywords
- pin
- light source
- interface socket
- chip
- secondary light
- 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
Landscapes
- Image-Pickup Tubes, Image-Amplification Tubes, And Storage Tubes (AREA)
- Telescopes (AREA)
Abstract
The invention discloses a kind of mining high definition video collecting system, including：Video acquisition unit；Secondary light source and intrinsic safety electric source；Secondary light source, in outside low-light (level), supplement light source to be provided for video acquisition unit；Intrinsic safety electric source, it is all connected with video acquisition unit and secondary light source, and for providing electric energy for video acquisition unit, and for starting secondary light source when illumination is less than setting value, and provide electric energy for it；Video acquisition unit, including：Optical lens, and it is sequentially connected with optical lens MCCD imaging sensors, digital signal processor and the video frequency output of setting.The invention also discloses a kind of acquisition method, using scheme of the MCCD sensor combination infrared laser pipes as secondary light source, the high definition video collecting under total darkness environment can be realized, and meet essential safety principle, equipment overall power is low, in light weight, small volume, cost are low, easy maintenance.
Description
Technical field
The invention belongs to video capture technology field, is related to a kind of mining high definition video collecting system and method.
Background technology
In recent years in environment such as mines than dark place because video monitoring is not in place so that some failures fail to obtain
Timely find and lead to a disaster, can be obtained under low-light (level) even total darkness environment using mining low-light (level) video capture device
High clear video image, it is easy to find accident potential's point in time.
Existing mining video capture device volume is necessarily large and bulky, and the existing scheme used is that ccd image sensor combines
Array infrared LED floor light, usually to increase infrared quantity to obtain apparent video image so that power consumption increase and
Later maintenance is not easy, price is also costly in addition.
The content of the invention
It is an object of the invention to provide a kind of mining high definition video collecting system and method, to solve in the low of some mines
Illumination is even under total darkness environment, the not high situation of the video quality collected.
The technical solution adopted in the present invention is a kind of mining high definition video collecting system, including：Video acquisition unit；
Secondary light source and intrinsic safety electric source；
Secondary light source, in outside low-light (level), supplement light source to be provided for video acquisition unit；
Intrinsic safety electric source, it is all connected with video acquisition unit and secondary light source, and for providing electric energy for video acquisition unit,
And for starting secondary light source when illumination is less than setting value, and provide electric energy for it；
Intrinsic safety electric source includes being used to start secondary light source and provides the drive circuit of constant-current source for it, and drive circuit includes same
Walk buck-boost constant current chip XZ3442, chip XZ3442 and input voltage both positive and negative polarity, chip are connected by first interface socket
XZ3442 is respectively connected with photo resistance by second interface socket and the 4th interface socket, and chip XZ3442 is inserted by the 3rd interface
Seat connection secondary light source；
Two photo resistance, to access the variable resistor of drive circuit, wherein, the photosensitive electricity being connected with second interface socket
The connection and disconnection for controlling the secondary light source are hindered, the photo resistance being connected with the 4th interface socket is described auxiliary for controlling
Help the brightness of light source；
Video acquisition unit, including：Optical lens, and it is sequentially connected with optical lens the MCCD image sensings of setting
Device, digital signal processor and video frequency output；
Wherein, optical lens, sent for obtaining external environment condition image information, and by image information to MCCD image sensings
Device；MCCD imaging sensors, for receiving the image information of optical lens transmission, and convert image information into electric image signal
Afterwards, send to digital signal processor；Digital signal processor, for receiving the image telecommunications of MCCD imaging sensors transmission
Number, and the composite video signal of simulation is converted thereof into, and exported by video frequency output.
Further, secondary light source is infrared laser pipe.
Further, the wavelength of the laser of infrared laser pipe transmitting is 940nm.
Further, the Laser emission end of infrared laser pipe is provided with the concavees lens for uniform spread laser light source.
Further, the light transmittance of concavees lens is 95%.
Further, drive circuit is specially：Include the first of synchronous buck-voltage increase and current constant chip XZ3442, XZ3442
Pin passes through the second capacity earth, and the pins of chip XZ3442 second are connected by the second inductance with three-prong, chip XZ3442
4th pin is grounded, and the pins of chip XZ3442 the 5th connect the 4th capacitance cathode all the way, and another way connects the second of the 3rd interface socket
Pin, the 4th electric capacity negative pole ground connection, the pins of chip XZ3442 the 6th connect the first pin of first interface socket all the way, and another way connects
First pin of second interface socket, the second pin ground connection of first interface socket, the pins of chip XZ3442 the 7th pass through all the way
4th resistance connects the first pin of second interface socket, and another way connects the three-prong of the first triode, chip XZ3442
7th pin also passes through the first capacity earth all the way, and the first pin another way of second interface socket connects by the 3rd electric capacity
Ground, the second pin ground connection of the first triode, the first pin connect the second pin of second interface socket by 3rd resistor, the
Second pin another way of two interface sockets is grounded by first resistor, and the pins of chip XZ3442 the 8th connect the 3rd interface and inserted all the way
First pin of seat, another way connect the first pin of the 4th interface socket, the electricity of the second pin connection the 4th of the 4th interface socket
The positive pole of appearance, the pins of chip XZ3442 the 8th are also grounded by second resistance all the way.
Further, intrinsic safety electric source also includes the control circuit that power supply is provided for video acquisition unit, and control circuit includes
DC/DC buck converters MP2359, DC/DC buck converter MP2359 the 5th pin connects positive 12V power supplys, another way warp all the way
The one or eight capacity earth is crossed, DC/DC buck converters MP2359 the 4th pin meets positive 12V power supplys, DC/ by the 7th resistance
DC buck converters MP2359 the second pin ground connection, DC/DC buck converters MP2359 the first pin pass through the 3rd all the way
Diode connects positive 5V power supplys, and another way connects the 6th pin, DC/DC buck converters MP2359 the 6th pipe by the one or seven electric capacity
Pin is grounded by the 4th voltage-regulator diode all the way, and another way connects the 3rd inductance, and the other end of the 3rd inductance passes through the one or nine all the way
Capacity earth, another way connect positive 5V power supplys, and DC/DC buck converters MP2359 three-prong connects by the 9th resistance all the way
Ground, another way connect positive 5V power supplys by the 8th resistance.
Second of technical scheme of the present invention, a kind of acquisition method of mining high definition video collecting system, by light
Learn camera lens collection external environment condition image information, and the data image signal output after MCCD imaging sensors are converted into quantifying
To the digital signal processor, the composite video signal that digital signal processor is converted into simulation by digital processing passes through video
Output outwards output.
Further, when external illuminance is less than setting value, intrinsic safety electric source provides the adjustable constant-current supply of size to auxiliary
Light source, for providing floor light for optical lens to obtain the HD video information under low-light (level).
The invention has the advantages that using scheme of the MCCD sensor combination infrared laser pipes as secondary light source,
MCCD has higher a visible ray and infrared sensitivity, and the signal to noise ratio under low-light (level) is also more excellent, and it is red to be equipped with laser during use
Outer tube, the high clear video image under low-light (level) even total darkness environment can be obtained, and meet essential safety principle, equipment entirety work(
It is low to consume low, in light weight, small volume, cost, easy maintenance.
Brief description of the drawings
Fig. 1 is a kind of module connection figure of mining high definition video collecting system of the present invention；
Fig. 2 is a kind of secondary light source driver circuit schematic diagram of mining high definition video collecting system of the present invention；
Fig. 3 is a kind of mining high definition video collecting system video collecting unit power supply circuit schematic diagram of the present invention.
In figure, 1. video acquisition units, 2. secondary light sources, 3. intrinsic safety electric sources, 4. optical lens, 5.MCCD image sensings
Device, 6. digital signal processors, 7. video frequency outputs.
Embodiment
The present invention is described in detail with reference to the accompanying drawings and detailed description.
The invention provides a kind of mining high definition video collecting system, as shown in figure 1, including：Video acquisition unit 1；With
The secondary light source 2 of supplement light source is provided when in outside low-light (level)；And be all connected with video acquisition unit 1 and secondary light source 2,
And the intrinsic safety electric source 3 of electric energy is provided for it, the intrinsic safety electric source 3 is additionally operable to start secondary light source 2 simultaneously when illumination is less than setting value
Electric energy is provided for it.
As shown in figure 1, video acquisition unit 1, including：Optical lens 4, and it is sequentially connected setting with optical lens 4
MCCD imaging sensors 5, digital signal processor 6 and video frequency output 7；
Optical lens 4, sent for obtaining external environment condition image information, and by image information to MCCD imaging sensors 5；
MCCD imaging sensors 5, for receiving the image information of the transmission of optical lens 4, and convert image information into electric image signal
Afterwards, send to digital signal processor 6；Digital signal processor 6, for receiving the image electricity of the transmission of MCCD imaging sensors 5
Signal, and the composite video signal of simulation is converted thereof into, and exported by video frequency output 7.
Video acquisition unit 1 completes the collection and output of video, and secondary light source unit 2 is operated in low for video acquisition unit
Floor light is provided when illumination or even total darkness environment, intrinsic safety electric source unit 3 provides power supply supply for whole equipment, and equipment is overall to be set
Meter meets essential safety principle.
Video acquisition unit 1 mainly includes the MCCD imaging sensors 5 and DSP data signals of 4,1/2 inches of optical lens
Processor 6, imaging sensor is MCCD imaging sensors used by video acquisition unit 1, can be collected far up to complete outside 30m
High clear video image under darkness environment, secondary light source are 940nm laser infrared floor light, and the vision signal of output is simulation
Composite video signal, using 1/2 inch of photosensitive MCCD imaging sensor of high sensitivity, double optical filters day and night automatically switch, low photograph
Degree is lower to automatically turn on infrared laser secondary light source, in order to obtain the HD video under low-light (level).
Secondary light source 2 is that can adjust the infrared laser pipe of brightness and be correspondingly arranged on for spreading light source, uniform irradiation
The concavees lens of environment, enable secondary light source uniform irradiation environment, during irradiation picture scope it is wide, uniformly and without speck, so as to more
HD video under good acquisition low-light (level).Secondary light source 2 is 940nm infrared laser pipe, and infrared laser pipe is SMD red
Outer laser tube, it is easy to welded and installed on aluminium base, outside in infrared laser pipe installs a concavees lens to spread light source.
Enable secondary light source uniform irradiation environment, during irradiation picture scope it is wide, uniformly and without speck, so as to preferably obtain low-light (level)
Under HD video.Working condition is automatically switched to when reaching low light environment, secondary light source 2 is opened, and according to illumination not
Together, the drive circuit of infrared laser pipe provides different size of electric current, so as to adjust the bright dark degree of infrared laser pipe.
The input of intrinsic safety electric source 3 uses lithium iron phosphate storage battery.Intrinsic safety electric source unit 3 is supplied by lithium iron phosphate storage battery
Electricity, there is provided 12V DC voltage, designed by efficient DC-DC circuit and powered to whole equipment, wherein the driving electricity of infrared laser pipe
Source is constant-current source, and whole circuit design meets essential safety principle.
As shown in Fig. 2 intrinsic safety electric source 3 also includes the drive circuit that adjustable constant-current source is provided for secondary light source 2, driving electricity
Road has circuit structure simple, and peripheral circuit is simple, using double photo resistance, the illumination of infrared laser pipe can be made to reach more preferably
Regulation so that video image quality is higher, and input voltage is small, and power consumption is few, can be implemented as infrared laser pipe provide it is permanent
Stream source.
Drive circuit specifically includes synchronous buck-voltage increase and current constant chip XZ3442, chip XZ3442 first pin by the
Two electric capacity C2 are grounded, and the pins of chip XZ3442 second are connected by the second inductance L2 with three-prong, and chip XZ3442 the 4th is managed
Pin is grounded, and the pins of chip XZ3442 the 5th connect the 4th electric capacity C4 positive poles all the way, and another way connects the 3rd interface socket J3 the second pipe
Pin, the 4th electric capacity C4 negative poles ground connection, the pins of chip XZ3442 the 6th connect first interface socket J1 the first pin, another way all the way
Connect second interface socket J2 the first pin, first interface socket J1 the second pin ground connection, the pins one of chip XZ3442 the 7th
The 4th resistance R4 connection second interface sockets J2 the first pin is passed through on road, and another way connects the first triode Q1 the 3rd pipe
Pin, the pins of chip XZ3442 the 7th are also grounded by the first electric capacity C1 all the way, and second interface socket J2 the first pin is another
Road is grounded by the 3rd electric capacity C3, the first triode Q1 the second pin ground connection, and the first pin is by 3rd resistor R3 connections the
Two interface socket J2 the second pin, second interface socket J2 the second pin another way are grounded by first resistor R1, chip
The pins of XZ3442 the 8th connect the 3rd interface socket J3 the first pin all the way, and another way connects the 4th interface socket J4 the first pipe
Pin, the 4th interface socket J4 the second pin connect the 4th electric capacity C4 positive pole, and the pins of chip XZ3442 the 8th also pass through all the way
Cross second resistance R2 ground connection.
Power supply control chip is XZ3442, and infrared laser pipe is welded on the excellent aluminium base of heat sinking function, passes through outside
The bright dark degree of illumination of the different control infrared laser pipes of ambient lighting, and load onto in the outside of infrared laser pipe one it is recessed
Mirror, so as to reach optimal floor light effect.
Wherein, chip XZ3442 passes through by first interface socket J1 connection input voltage both positive and negative polarities, chip XZ3442
Two interface socket J2 and the 4th interface socket J4 are respectively connected with photo resistance, and chip XZ3442 passes through the 3rd interface socket J3 connections
Secondary light source 2.
In the drive circuit, two photo resistance are the variable resistor of access drive circuit, and as illumination reduces, second connects
The photo resistance that mouth socket J2 is connect reduces, the bleeder circuit being made up of second interface socket J2 and first resistor R1
In, first resistor R1 terminal voltage values reach the first triode Q1 turn-on voltage, the first triode Q1 conductings, and chip the 7th is managed
Pin is low, chip XZ3442 work.Chip XZ3442 the 5th pin output voltage values.Connect by the 3rd interface socket J3 infrared
Laser tube and the 4th interface socket J4 connect photo resistance and collectively constitute shunt circuit.Controlled using double photo resistance, wherein one
The interface socket J3 of road the 3rd connects infrared laser pipe lamp plate, for controlling opening and shutting off for infrared laser pipe, the 4th interface socket
J4 connects another way photo resistance and shunted, and for controlling the bright dark degree of infrared laser pipe, makes video capture image image quality more
It is good.
When illumination illumination is more than setting value, it is larger that second interface socket J2 connects photo resistance, by second interface
In the bleeder circuit that socket J2 and first resistor R1 are formed, first resistor R1 terminal voltage values not yet reach the first triode Q1
Turn-on voltage, the first triode Q1 cut-offs, now the pins of chip XZ3442 the 7th are high level, chip XZ3442 not works
Make.
As shown in figure 3, intrinsic safety electric source 3 includes providing the control circuit of 5V power supplys for video acquisition unit 1, specifically include
DC/DC buck converters MP2359, DC/DC buck converter MP2359 the 5th pin connects positive 12V power supplys, another way warp all the way
The one or eight electric capacity C18 ground connection is crossed, DC/DC buck converters MP2359 the 4th pin connects positive 12V electricity by the 7th resistance R7
Source, DC/DC buck converters MP2359 the second pin ground connection, DC/DC buck converters MP2359 the first pin pass through all the way
Cross the 3rd diode D3 and connect positive 5V power supplys, another way connects the 6th pin, DC/DC buck converters by the one or seven electric capacity C17
MP2359 the 6th pin is grounded by the 4th voltage-regulator diode D4 all the way, and another way meets the 3rd inductance L3, the 3rd inductance L3's
The other end is grounded by the one or nine electric capacity C19 all the way, and another way connects positive 5V power supplys, and the 3rd of DC/DC buck converters MP2359 the
Pin is grounded by the 9th resistance R9 all the way, and another way connects positive 5V power supplys by the 8th resistance R8.Using lithium iron phosphate storage battery
For power supply, voltage DC12V, the 12V of input is converted into by the BUCK converters MP2359 of a current-mode control
5V provides power supply to video acquisition unit 1, and using efficient LDO circuit, circuit design meets essential safety principle.
Present invention also offers a kind of above-mentioned acquisition method of mining high definition video collecting system, is gathered by optical lens outer
Portion's ambient image information, and the data image signal after MCCD imaging sensors are converted into quantifying is exported to the numeral letter
Number processor, the composite video signal that digital signal processor is converted into simulation by digital processing are outwards defeated by video frequency output
Go out.Wherein, when external illuminance is less than setting value, the intrinsic safety electric source provides the adjustable constant-current supply of size to secondary light source,
For providing floor light for optical lens to obtain the HD video information under low-light (level).
A kind of operation principle of mining high definition video collecting system of the present invention is, in low-light (level) even total darkness environment,
The drive circuit works of secondary light source 2, i.e. infrared laser pipe are opened, infrared laser pipe automatically turns on, in the auxiliary of infrared laser pipe
Help under illumination, video acquisition during low-light (level), the number after being quantified are completed by optical lens 4 and MCCD imaging sensors 5
Word picture signal, then by DSP 6 handle obtain simulate composite video signal, whole equipment always power supply by
Lithium iron phosphate storage battery is powered, and whole circuit design meets essential safety principle.Whole system uses MCCD combination infrared lasers
The scheme of pipe, MCCD imaging sensors 5 are the image sensor chips of the visible ray and infrared sensitivity with superelevation, and infrared
The light source that laser tube is sent is low in energy consumption without red sudden and violent phenomenon, is easy to safeguard.
The present invention's has advantages below：
1st, can be under low-light (level) and total darkness environment by the way of MCCD imaging sensors are combined with infrared laser pipe
Mine under get the video image of high definition.The infrared sensitivity maximum of MCCD imaging sensors can reach 940nm so that obtain
The image taken is relatively sharp and no red light phenomenon.
2nd, the laser for concavees lens being arranged on infrared laser pipe projects end, enables to the reflection luminous energy of infrared laser pipe
Enough non-uniform reflections are returned so that and the video face of camera collection is wider, and video image is relatively sharp, wherein, after concavees lens
The dispersion angle of laser irradiation is 60 degree, and the light transmittances of concavees lens is 95%, and material is optical grade PMMA, a diameter of 10mm, height
Spend for 11mm.
3rd, using driving power of the constant-current source as infrared laser pipe, making for infrared laser pipe significantly can effectively be increased
With the cycle, size of current is 300~700mA adjustable currents, is controlled using double photo resistance, wherein controlling infrared laser pipe all the way
Open and shut off, another way control infrared laser pipe bright dark degree, make video capture image image quality more preferably.By infrared laser
Pipe is welded on aluminium base, can effectively be radiated, so as to ensure the service life of infrared laser pipe.
4th, single unit system meets essential safety principle, can reliably be used in mine low-light (level).
A kind of mining high definition video collecting system of the present invention, can realize the high definition video collecting under total darkness environment, and
Meet essential safety principle, equipment overall power is low, in light weight, small volume, cost are low, easy maintenance, and secondary light source 2 is
940nm laser infrared pipe, without red sudden and violent phenomenon, the secondary light source of use is driven to constant-current source driving, and operating voltage is low, is easy to this
Anhua, secondary light source drive circuit is novel, double photo resistance controls, controls day and night switch all the way, all the way control electric current size, make
Power consumption reduces and image clearly, is easy to promote the use of under some low-light (level) environment such as mine.
Claims (9)
- A kind of 1. mining high definition video collecting system, it is characterised in that including：Video acquisition unit (1)；Secondary light source (2) and Intrinsic safety electric source (3)；Described secondary light source (2), in outside low-light (level), supplement light source to be provided for video acquisition unit (1)；The intrinsic safety electric source (3), is all connected with video acquisition unit (1) and secondary light source (2), and for being video acquisition unit (1) electric energy is provided, and for starting secondary light source (2) when illumination is less than setting value, and provide electric energy for it；The intrinsic safety electric source (3) includes being used to start secondary light source (2) and provide the drive circuit of constant-current source, described drive for it Dynamic circuit includes synchronous buck-voltage increase and current constant chip XZ3442, described chip XZ3442 and connected by first interface socket (J1) Input voltage both positive and negative polarity is connect, described chip XZ3442 is all connected with by second interface socket (J2) and the 4th interface socket (J4) There is photo resistance, described chip XZ3442 connects secondary light source (2) by the 3rd interface socket (J3)；Described two photo resistance, to access the variable resistor of drive circuit, wherein, the light being connected with second interface socket (J2) Quick resistance is used for the connection and disconnection for controlling the secondary light source (2), and the photo resistance being connected with the 4th interface socket (J4) is used In the brightness for controlling the secondary light source (2)；The video acquisition unit (1), including：Optical lens (4), and it is sequentially connected setting with the optical lens (4) MCCD imaging sensors (5), digital signal processor (6) and video frequency output (7)；Wherein, the optical lens (4), sends to MCCD for obtaining external environment condition image information, and by described image information Imaging sensor (5)；The MCCD imaging sensors (5), for receiving the described image information of optical lens (4) transmission, and After described image information is converted into electric image signal, send to the digital signal processor (6)；The Digital Signal Processing Device (6), the electric image signal sent for receiving the MCCD imaging sensors (5), and convert thereof into the full TV of simulation Signal, and exported by video frequency output (7).
- 2. a kind of mining high definition video collecting system as claimed in claim 1, it is characterised in that the secondary light source (2) is Infrared laser pipe.
- A kind of 3. mining high definition video collecting system as claimed in claim 2, it is characterised in that described infrared laser pipe hair The wavelength for the laser penetrated is 940nm.
- A kind of 4. mining high definition video collecting system as claimed in claim 2 or claim 3, it is characterised in that the infrared laser pipe Laser emission end be provided with and be used to uniformly spread the concavees lens of the LASER Light Source.
- A kind of 5. mining high definition video collecting system as claimed in claim 4, it is characterised in that the printing opacity of described concavees lens Rate is 95%.
- 6. a kind of mining high definition video collecting system as claimed in claim 1, it is characterised in that described drive circuit is specific For：The first pin including synchronous buck-voltage increase and current constant chip XZ3442, the chip XZ3442 connects by the second electric capacity (C2) Ground, the pins of chip XZ3442 second are connected by the second inductance (L2) with three-prong, and the chip XZ3442 the 4th is managed Pin is grounded, and the pins of chip XZ3442 the 5th connect the 4th electric capacity (C4) positive pole all the way, and another way connects the 3rd interface socket (J3) The second pin, the 4th electric capacity (C4) negative pole ground connection, the pins of chip XZ3442 the 6th connect first interface socket all the way (J1) the first pin, another way connect the first pin of second interface socket (J2), and the second of the first interface socket (J1) Pin is grounded, and the pins of chip XZ3442 the 7th are all the way by the first of the 4th resistance (R4) connection second interface socket (J2) Pin, another way connect the three-prong of the first triode (Q1), and the pins of chip XZ3442 the 7th are also all the way by the One electric capacity (C1) is grounded, and the first pin another way of the second interface socket (J2) is grounded by the 3rd electric capacity (C3), described The second pin ground connection of first triode (Q1), the first pin is by the of 3rd resistor (R3) connection second interface socket (J2) Two pins, the second pin another way of the second interface socket (J2) are grounded by first resistor (R1), the chip The pins of XZ3442 the 8th connect the first pin of the 3rd interface socket (J3) all the way, and another way connects the first of the 4th interface socket (J4) Pin, the second pin of the 4th interface socket (J4) connect the positive pole of the 4th electric capacity (C4), the chip XZ3442 the 8th Pin is also grounded by second resistance (R2) all the way.
- A kind of 7. mining high definition video collecting system as claimed in claim 1 or 2, it is characterised in that described intrinsic safety electric source (3) control circuit that power supply is provided for video acquisition unit (1) is also included, described control circuit includes DC/DC decompression conversions Device MP2359, the DC/DC buck converters MP2359 the 5th pin connect positive 12V power supplys all the way, and another way passes through the one or eight Electric capacity (C18) is grounded, and the 4th pin of the DC/DC buck converters MP2359 connects positive 12V electricity by the 7th resistance (R7) Source, the second pin ground connection of the DC/DC buck converters MP2359, the first pipe of the DC/DC buck converters MP2359 Pin connects positive 5V power supplys by the 3rd diode (D3) all the way, and another way connects the 6th pin by the one or seven electric capacity (C17), described DC/DC buck converters MP2359 the 6th pin is grounded by the 4th voltage-regulator diode (D4) all the way, and another way connects the 3rd electricity To feel (L3), the other end of the 3rd inductance (L3) is grounded by the one or nine electric capacity (C19) all the way, and another way connects positive 5V power supplys, The three-prong of the DC/DC buck converters MP2359 is grounded by the 9th resistance (R9) all the way, and another way is by the 8th electricity Resistance (R8) connects positive 5V power supplys.
- 8. a kind of acquisition method of mining high definition video collecting system, its feature exist as described in any one in claim 1 to 7 In, external environment condition image information is gathered by the optical lens (4), and by MCCD imaging sensors (5) amount of being converted into Data image signal after change, which exports, gives the digital signal processor (6), and digital signal processor (6) turns by digital processing The composite video signal for changing simulation into is outwards exported by video frequency output (7).
- 9. a kind of mining high definition video collecting method as claimed in claim 8, it is characterised in that when external illuminance is less than setting value When, the intrinsic safety electric source (3) provides the adjustable constant-current supply of size and gives secondary light source (2), auxiliary for being provided for optical lens (4) Illumination is helped to obtain the HD video information under low-light (level).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510209428.1A CN104767924B (en) | 2015-04-28 | 2015-04-28 | A kind of mining high definition video collecting system and method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510209428.1A CN104767924B (en) | 2015-04-28 | 2015-04-28 | A kind of mining high definition video collecting system and method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104767924A CN104767924A (en) | 2015-07-08 |
| CN104767924B true CN104767924B (en) | 2018-03-30 |
Family
ID=53649502
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510209428.1A Expired - Fee Related CN104767924B (en) | 2015-04-28 | 2015-04-28 | A kind of mining high definition video collecting system and method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104767924B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105118237B (en) * | 2015-09-16 | 2018-01-19 | 苏州清研微视电子科技有限公司 | Intelligent illuminating system for driver fatigue monitor system |
| CN106657890A (en) * | 2016-11-03 | 2017-05-10 | 西安科技大学 | Laser concealed light source video acquisition light supplement system and application method thereof |
| CN107370954A (en) * | 2017-08-19 | 2017-11-21 | 中国矿业大学 | A kind of collection control method of Minepit environment vision signal |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201440689U (en) * | 2009-05-20 | 2010-04-21 | 深圳市迪威泰实业有限公司 | Wide-voltage monitoring camera and monitoring system |
| JP2011180172A (en) * | 2010-02-26 | 2011-09-15 | Sharp Corp | Imaging prevention device, imaging prevention method and video display system |
| CN102665072B (en) * | 2012-05-29 | 2014-03-26 | 天津华宁电子有限公司 | Intrinsically safe helmet type miner lamp pickup and monitoring system for mining |
| CN204559722U (en) * | 2015-04-28 | 2015-08-12 | 西安科技大学 | A kind of mining high definition video collecting system |
-
2015
- 2015-04-28 CN CN201510209428.1A patent/CN104767924B/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| CN104767924A (en) | 2015-07-08 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103442486B (en) | High-luminance LED strobe lamp | |
| CN104767924B (en) | A kind of mining high definition video collecting system and method | |
| CN203608406U (en) | Energy-saving LED fill light | |
| CN105792464A (en) | Intelligent streetlight control device capable of purifying air | |
| CN204559722U (en) | A kind of mining high definition video collecting system | |
| CN108551706A (en) | A kind of LED tunnel illumination system | |
| CN106657890A (en) | Laser concealed light source video acquisition light supplement system and application method thereof | |
| CN204648053U (en) | A kind of intelligent road-lamp | |
| CN102869157A (en) | Method for setting color of LED (light-emitting diode) lamp by on-off encoding of power supply switch | |
| CN203537607U (en) | High-luminance LED strobe lamp | |
| CN205648120U (en) | Natural light and energy -conserving lighting system in complemental classroom of light | |
| CN1946257A (en) | Automatic light regulating energy saving lamp | |
| CN103517524A (en) | Led emergency controller | |
| CN203511062U (en) | Blackboard capable of automatically adjusting backlight | |
| CN207148497U (en) | A kind of unmanned plane night takes photo by plane servicing lighting | |
| CN202309905U (en) | Infrared-laser-based intelligent light supplementing device and infrared laser camera | |
| CN213991088U (en) | Solar street lamp device with uninterrupted illumination | |
| CN202837766U (en) | Intelligent LED (light-emitting diode) video synchronizing impulse stroboscopic supplemental lighting device | |
| CN107690217A (en) | A kind of energy-saving intelligent street lamp | |
| CN209930380U (en) | Self-adaptive light supplementing equipment for low-illumination environment video image acquisition | |
| CN204069417U (en) | Be applied to the LED Drive and Control Circuit of web camera | |
| CN206272749U (en) | A kind of laser disguise light source video acquisition light-supplementing system | |
| CN203775492U (en) | Intelligent energy-saving lamp control system | |
| CN109121247B (en) | Wisdom street lamp control management system | |
| CN204964961U (en) | Camera with emergency lighting function |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| EXSB | Decision made by sipo to initiate substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180330 Termination date: 20190428 |