CN103188483A - Mine intrinsic safety type wireless camera - Google Patents
Mine intrinsic safety type wireless camera Download PDFInfo
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- CN103188483A CN103188483A CN2013100874769A CN201310087476A CN103188483A CN 103188483 A CN103188483 A CN 103188483A CN 2013100874769 A CN2013100874769 A CN 2013100874769A CN 201310087476 A CN201310087476 A CN 201310087476A CN 103188483 A CN103188483 A CN 103188483A
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- 238000006243 chemical reaction Methods 0.000 claims description 35
- 229910001416 lithium ion Inorganic materials 0.000 claims description 24
- 230000000087 stabilizing effect Effects 0.000 claims description 10
- 239000012528 membrane Substances 0.000 claims description 8
- 239000003381 stabilizer Substances 0.000 claims description 8
- 230000007797 corrosion Effects 0.000 claims description 3
- 238000005260 corrosion Methods 0.000 claims description 3
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 claims description 2
- 229910052744 lithium Inorganic materials 0.000 claims description 2
- 238000012544 monitoring process Methods 0.000 abstract description 8
- 230000005540 biological transmission Effects 0.000 abstract description 3
- 230000001502 supplementing effect Effects 0.000 abstract 2
- 238000005286 illumination Methods 0.000 abstract 1
- 238000012806 monitoring device Methods 0.000 abstract 1
- 239000003245 coal Substances 0.000 description 9
- 238000005065 mining Methods 0.000 description 8
- 238000004519 manufacturing process 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
- 238000009434 installation Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 230000008054 signal transmission Effects 0.000 description 2
- 239000002817 coal dust Substances 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000006854 communication Effects 0.000 description 1
- 238000010411 cooking Methods 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 238000010616 electrical installation Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 231100001261 hazardous Toxicity 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
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Abstract
The invention provides a mine intrinsic safety type wireless camera and belongs to the technical field of mine monitoring devices. The mine intrinsic safety type wireless camera comprises a power supply converting unit, a power supply touch unit, an infrared ray light supplementing unit, a camera module, a video converting module, a wireless transmitting module and an antenna, wherein the power supply converting unit is connected with the power supply touch unit, the power supply touch unit is respectively connected with the infrared ray light supplementing unit, the camera module, the video converting module and the wireless transmitting module to supply power to each circuit, the output terminal of the camera module is connected with the input terminal of the video converting module, the output terminal of the video converting module is connected with the input terminal of the wireless transmitting module, and the wireless transmitting module is externally connected with the antenna. The mine intrinsic safety type wireless camera provided by the invention has the advantages that the problem of inconvenience in mounting and moving in a wired transmission manner is solved, and cost is saved; flexibility of image monitoring is enhanced; a camera shooting function under low illumination level can be realized; and continuity of image display is realized, and higher display quality is guaranteed.
Description
Technical field
The invention belongs to mining watch-dog technical field, be specifically related to a kind of mine intrinsic safety type wireless camera instrument.
Background technology
Coal is the important basic energy resource of China, and existing energy natural endowment structure makes coal shared absolute specific gravity in China's primary energy consumption structure reach about 70%.Because the Coal Production condition is limit, historically, in various countries' industrial department, the accident death rate in colliery is the highest.The production capacity of China's coal-mine 95% is pit mining, and along with mining depth increases, the factor of influence safety in production is more and more many, and condition is more and more complicated.Because the particular surroundings of coal mining, colliery industry are the high risk industries in China industrial and mining enterprises always.Coal mine safety management consciousness and system are strengthened in national correlation department requirement again and again, along with development of science and technology, the foundation of coal mine downhole safety monitoring and controlling system provides sound assurance for the development of coal mining enterprise undoubtedly, and it has become an indispensable part in coal mining enterprise's production.Video monitoring system is real-time transmitted to the monitor staff to the image that monitors, so that in time pinpoint the problems, can improve the efficiency of management and automatization level thus.Widely used video camera all adopts wired connection under coal mine at present, have that remote installation work amount is big, cost is high, IMAQ is subjected to problems such as distance limit, especially because the colliery subsurface environment is special, wire signal transmission is interfered easily, system failure rate height, maintenance and repair inconvenience; In addition, the image switching time of existing video camera is longer, generally in 1s(second) about, make image switching exist significantly and pause, had a strong impact on quality monitoring.
In view of above-mentioned prior art, be necessary existing mining video camera is improved, for this reason, the applicant has done useful design, and technical scheme described below produces under this background.
Summary of the invention
The object of the present invention is to provide a kind of mine intrinsic safety type wireless camera instrument, adopt the mode of wireless bridge joint to carry out image signal transmission, reduced the use of cable, reduced cost, convenient for installation and maintenance, and have camera function under the low-light (level), the image switching time is short, output effect good.
The objective of the invention is to reach like this, a kind of mine intrinsic safety type wireless camera instrument, comprise power conversion unit, the power supply touch control unit, infrared ray light filling unit, camera module, video conversion module, wireless transmitter module and antenna, described power conversion unit is connected with the power supply touch control unit, the power supply touch control unit respectively with infrared ray light filling unit, camera module, video conversion module and wireless transmitter module connect, each circuit is given in power supply, the output of camera module is connected with the input of video conversion module, the output of video conversion module is connected with the input of wireless transmitter module, the wireless transmitter module external antenna.
In a specific embodiment of the present invention; described power conversion unit comprises storage battery BT1～BT3; resistance 1R1～1R8; electric capacity 1C1～1C6; transistor 1Q1; 1Q2 and li-ion cell protection chip 1U1; the end of the positive pole of storage battery BT1 and resistance 1R1; the end of electric capacity 1C1; the end of electric capacity 1C4; the end of electric capacity 1C2; 16 pin of the end of electric capacity 1C3 and li-ion cell protection chip 1U1 connect; the other end of the other end of resistance 1R1 and electric capacity 1C1; 15 pin of the source electrode of transistor 1Q2 and li-ion cell protection chip 1U1 connect; the grid of transistor 1Q2 is connected with the end of resistance 1R6; the other end of resistance 1R6 is connected with 3 pin of li-ion cell protection chip 1U1; 1 pin of li-ion cell protection chip 1U1 is connected with the end of the grid of transistor 1Q1 and resistance 1R5; the source electrode of transistor 1Q1 connects the drain electrode of transistor 1Q2; the drain electrode of transistor 1Q1 is connected with the other end of resistance 1R5 and the end of resistance 1R4; common output+12V DC power supply; the other end of resistance 1R4 connects 2 pin of li-ion cell protection chip 1U1; 5 pin of li-ion cell protection chip 1U1 are connected with the end of electric capacity 1C5; the end of the other end of electric capacity 1C5 and electric capacity 1C6; 7 of the end of resistance 1R7 and li-ion cell protection chip 1U1; 10; 11; 12 pin connect; the other end of electric capacity 1C6 is connected with 6 pin of li-ion cell protection chip 1U1; the other end of the other end of resistance 1R7 and electric capacity 1C4; the end of resistance 1R8 and the negative pole of storage battery BT3 connect; the positive pole of storage battery BT3 is connected with the negative pole of storage battery BT2 and the end of resistance 1R3; the positive pole of storage battery BT2 is connected with the negative pole of storage battery BT1 and the end of resistance 1R2; the other end of resistance 1R2 is connected with the other end of electric capacity 1C2 and 14 pin of lithium battery chip 1U1; the other end of resistance 1R3 is connected the 4 pin common grounds of the other end of resistance 1R8 and li-ion cell protection chip 1U1 with the other end of electric capacity 1C3 and 13 pin of li-ion cell protection chip 1U1.In another specific embodiment of the present invention, described power supply touch control unit 2 comprises resistance 2R1～2R9, electric capacity 2C1～2C3, voltage stabilizing chip 2U1, singly-bound touch sensible chip 2IC1, transistor 2Q1,2Q2, voltage-stabiliser tube 2Z1, light-emitting diode 2LED1,2LED2, integrated circuit (IC) chip 2IC2 and membrane keyboard KEY, 2 pin of the end of electric capacity 2C3 and voltage stabilizing chip 2U1, the end of resistance 2R2,1 of transistor 2Q2,2,3 pin, 4 of integrated circuit (IC) chip 2IC2,6,7, the end of 8 pin and resistance 2R7 meets DC power supply+12V jointly, 1 pin of voltage stabilizing chip 2U1 and the end of electric capacity 2C1,5 pin of singly-bound touch sensible chip 2IC1 and the end of resistance 2R1 connect, 1 pin of singly-bound touch sensible chip 2IC1 is connected with the end of resistance 2R3, the other end of resistance 2R3 is connected with the grid of transistor 2Q1, the source electrode of transistor 2Q1 is connected with the end of resistance 2R4, the drain electrode of transistor 2Q1 is connected with the end of resistance 2R5, the other end of resistance 2R5 is connected with the other end of resistance 2R2 and 4 pin of transistor 2Q2,5 of transistor 2Q2,6,7,8 pin are connected with the end of resistance 2R6, and become power output end VOUT end, the other end of resistance 2R6 is connected with the positive pole of light-emitting diode 2LED1,3 pin of singly-bound touch sensible chip 2IC1 are connected with an end and the membrane keyboard KEY of electric capacity 2C2,6 pin of singly-bound touch sensible chip 2IC1 are connected with the other end of resistance 2R1,2 pin of integrated circuit (IC) chip 2IC2 are connected with the end of the other end of resistance 2R7 and resistance 2R8,3 pin of integrated circuit (IC) chip 2IC2 connect the end of resistance 2R9, the other end of resistance 2R9 is connected with the positive pole of light-emitting diode 2LED2,5 pin of integrated circuit (IC) chip 2IC2 are connected the other end of electric capacity 2C3 with the negative pole of voltage-stabiliser tube 2Z1,3 pin of voltage stabilizing chip 2U1, the other end of electric capacity 2C1, the other end of electric capacity 2C2,2 pin of singly-bound touch sensible chip 2IC1, the other end of resistance 2R4, the negative pole of light-emitting diode 2LED1, the negative pole of light-emitting diode 2LED2, the positive pole of voltage-stabiliser tube 2Z1,1 pin of integrated circuit (IC) chip 2IC2 and the other end common ground of resistance 2R8.
In another specific embodiment of the present invention, described infrared ray light filling unit comprises electric capacity 3C1～3C3, resistance 3R1,3R2, inductance 3Lh1, Schottky diode 3D1, LED drives chip 3IC1 and light-emitting diode 3L1～3L18, the end of electric capacity 3C1, the end of resistance 3R1,2 pin of LED driving chip 3IC1 and the end of inductance 3Lh1 are connected to the VOUT end of power supply touch control unit 2 jointly, the other end of resistance 3R1 is connected with 1 pin that LED drives chip 3IC1,3 pin that LED drives chip 3IC1 are connected with the end of resistance 3R2 and the end of electric capacity 3C3,5 pin that LED drives chip 3IC1 are connected with the other end of inductance 3Lh1,6 pin that LED drives chip 3IC1 are connected with the positive pole of Schottky diode 3D1, the end of the negative pole of Schottky diode 3D1 and electric capacity 3C2, the positive pole of the positive pole of light-emitting diode 3L1 and light-emitting diode 3L2 connects, the negative pole of light-emitting diode 3L1 connects the positive pole of light-emitting diode 3L3, the negative pole of light-emitting diode 3L3 is connected with the positive pole of light-emitting diode 3L5, the negative pole of light-emitting diode 3L5 is connected with the positive pole of light-emitting diode 3L7, the negative pole of light-emitting diode 3L7 is connected with the positive pole of light-emitting diode 3L9, the negative pole of light-emitting diode 3L9 connects the positive pole of light-emitting diode 3L11, the negative pole of light-emitting diode 3L11 connects the positive pole of light-emitting diode 3L13, the negative pole of light-emitting diode 3L13 connects the positive pole of light-emitting diode 3L15, the negative pole of light-emitting diode 3L15 connects the positive pole of light-emitting diode 3L17, the negative pole of light-emitting diode 3L2 connects the positive pole of light-emitting diode 3L4, the negative pole of light-emitting diode 3L4 is connected with the positive pole of light-emitting diode 3L6, the negative pole of light-emitting diode 3L6 is connected with the positive pole of light-emitting diode 3L8, the negative pole of light-emitting diode 3L8 is connected with the positive pole of light-emitting diode 3L10, the negative pole of light-emitting diode 3L10 connects the positive pole of light-emitting diode 3L12, the negative pole of light-emitting diode 3L12 connects the positive pole of light-emitting diode 3L14, the negative pole of light-emitting diode 3L14 connects the positive pole of light-emitting diode 3L16, the negative pole of light-emitting diode 3L16 connects the positive pole of light-emitting diode 3L18, the other end of electric capacity 3C1, LED drives 7 of chip 3IC1,8 pin, the other end of resistance 3R2, the other end of electric capacity 3C3, the other end of electric capacity 3C2, the negative pole common ground of the negative pole of light-emitting diode 3L17 and light-emitting diode 3L18.
In another specific embodiment of the present invention, described camera module also is equipped with camera lens.
Also have in the specific embodiment of the present invention, described power conversion unit, power supply touch control unit, infrared ray light filling unit, camera module, video conversion module and wireless transmitter module are encapsulated in the housing, and described antenna leans out outside housing.
More of the present invention and in specific embodiment, described housing is welded by corrosion resistant plate.
The present invention is owing to adopted said structure, gather picture signal by camera module, described picture signal becomes radiofrequency signal behind video conversion module and wireless transmitter module, outwards sent by antenna, the recycling base station receives this radiofrequency signal and transfers to ground, realizes picture control.This design adopts the mode of wireless bridge joint, and compared with prior art, the beneficial effect that has is: avoided the laying of underground communica tion cable, solved the installation of wire transmission mode, mobile inconvenient problem, saved space, down-hole and wiring cost; IMAQ is not limited by circuit, has strengthened the flexibility of picture control greatly; Utilize the light filling effect of infrared ray light filling unit, can realize the camera function under the low-light (level); In addition, by wireless transmitter module, can be shortened to 200ms the switching time between the image, realize the continuity that image shows, guarantee higher display quality.
Description of drawings
Fig. 1 is theory diagram of the present invention.
Fig. 2 is electrical connection schematic diagram of the present invention.
Embodiment
In order to make the public can fully understand technical spirit of the present invention and beneficial effect; the applicant will describe in detail the specific embodiment of the present invention below by reference to the accompanying drawings; but the applicant is not restriction to technical scheme to the description of embodiment, anyly makes form but not the variation of essence all should be considered as protection scope of the present invention according to the present invention's design.
See also Fig. 1, a kind of mine intrinsic safety type wireless camera instrument comprises power conversion unit 1, power supply touch control unit 2, infrared ray light filling unit 3, camera module 4, video conversion module 5, wireless transmitter module 6 and antenna 7.Described camera module 4 has the function of IMAQ, and in the present embodiment, camera module 4 also adds camera lens 41, to enlarge focusing range, obtains more distinct image.Described power conversion unit 1 is connected with power supply touch control unit 2, and power supply touch control unit 2 is connected with infrared ray light filling unit 3, camera module 4, video conversion module 5 and wireless transmitter module 6 respectively, and each circuit is powered.The output of camera module 4 is connected with the input of video conversion module 5, and the output of video conversion module 5 is connected with the input of wireless transmitter module 6, wireless transmitter module 6 external antennas 7.
See also Fig. 2; described power conversion unit 1 comprises storage battery BT1～BT3, resistance 1R1～1R8, electric capacity 1C1～1C6, transistor 1Q1,1Q2 and li-ion cell protection chip 1U1; in the present embodiment; described transistor 1Q1,2Q2 adopt AO4407, and li-ion cell protection chip 1U1 adopts S-8254.Described power supply touch control unit 2 comprises resistance 2R1～2R9, electric capacity 2C1～2C3, voltage stabilizing chip 2U1, singly-bound touch sensible chip 2IC1, transistor 2Q1,2Q2, voltage-stabiliser tube 2Z1, light-emitting diode 2LED1,2LED2, integrated circuit (IC) chip 2IC2 and membrane keyboard KEY, in the present embodiment, described voltage stabilizing chip 2U1 adopts LM78L05, singly-bound touch sensible chip 2IC1 adopts stj5101, transistor 2Q1 adopts 2N7002, transistor 2Q2 adopts AO4407, voltage-stabiliser tube 2Z1 adopts IN5230, light-emitting diode 2LED1 adopts ruddiness, light-emitting diode 2LED2 adopts green glow, integrated circuit (IC) chip 2IC2 adopts LM555, and membrane keyboard KEY is the human body inductance capacitance.Power conversion unit 1 is connected with power supply touch control unit 2, for it provides+the 12V DC power supply.The VOUT end of power supply touch control unit 2 is connected with the power input of infrared ray light filling unit 3, camera module 4, video conversion module 5 and wireless transmitter module 6 respectively, powers.When the user need enable video camera, membrane keyboard KEY is carried out touch operation, the output signal of singly-bound touch sensible chip 2IC1 makes transistor 2Q1,2Q2 conducting, the outwards power supply of VOUT end, this moment, light-emitting diode 2LED1 lighted, and sent ruddiness; When the needs deenergization, only need again membrane keyboard KEY to be carried out touch operation, 3 pin of integrated circuit (IC) chip 2IC1 become high level by low level, light-emitting diode 2LED2 lights, send green glow, simultaneously, end the 7 pin inside of integrated circuit (IC) chip 2IC1, transistor 2Q2 is disconnected, the output of VOUT end no-voltage.Described infrared ray light filling unit 3 comprises that electric capacity 3C1～3C3, resistance 3R1,3R2, inductance 3Lh1, Schottky diode 3D1, LED drive chip 3IC1 and light-emitting diode 3L1～3L18, in the present embodiment, described Schottky diode 3D1 adopts SK34, LED drives chip 3IC1 and adopts XL6003, and light-emitting diode 3L1～3L18 adopts UHIR333C.Since down-hole light a little less than, by the light filling of infrared ray light filling unit 3, can make camera module 4 have camera function under the low-light (level).In the present embodiment, described camera module 4 adopts XDY3512-S, has also installed camera lens 41 on camera module 4 additional, and described camera lens 41 is the 8mm camera lens; The XDY3512 that video conversion module 5 adopts prosperous ancient cooking vessel source, Shenzhen Science and Technology Ltd. to produce; The GNM-271 that wireless transmitter module 6 adopts Sichuan air coordinates Information technology Co., Ltd to produce can shorten to 200ms with the image switching time, makes image output smoothness, does not shake.3 pin of the CON1 terminal board of camera module 4 are connected with 5 pin of the CON2 terminal board of video conversion module 5,8 of the CON4 terminal board of video conversion module 5,9,10 pin respectively with 3 of the CON1 terminal board of wireless transmitter module 6,2,1 pin connects, wireless transmitter module 6 connects antenna 7,4 of the CON1 terminal board of wireless transmitter module 6,5 pin, 1 pin of the CON5 terminal board of video conversion module 5,1 pin of the CON1 terminal board of camera module 4 connects the VOUT end of power supply touch control unit 2,6 of the CON1 terminal board of wireless transmitter module 6 jointly, 7,8 pin, 7 pin of the CON4 terminal board of video conversion module 5,2 pin of CON5 terminal board, 6 pin of CON2 terminal board, 2 pin common grounds of the CON1 terminal board of camera module 4.
Please consult Fig. 1 again and in conjunction with Fig. 2, described power conversion unit 1, power supply touch control unit 2, infrared ray light filling unit 3, camera module 4, video conversion module 5 and wireless transmitter module 6 are encapsulated in the housing 8, described housing 8 is welded by corrosion resistant plate, is the flame-proof mine housing.Described antenna 7 leans out outside housing 8.Described video camera satisfies well shooting gaseous environment electrical installation safety specifications, is mine intrinsic safety type equipment.During use, video camera is fixed on the endless rope winch support, regulates the focal length of camera module 4 or camera lens 41, start infrared ray light filling unit 3, to guarantee to obtain best shooting effect.The picture signal input video modular converter 5 that photographs converts ethernet signal to by vision signal, and described ethernet signal becomes through wireless transmitter module 6 again can be through the radio frequency signal of antenna 7 transmissions.On the other hand, need be according to the concrete condition of mine, quantity and the position of the base station of using with antenna 7 couplings are set flexibly, the radio frequency signal that antenna 7 sends transfers to the ground monitoring chamber through the base station, thereby makes the ground monitoring chamber to realize real-time monitoring to the down-hole by receiving wireless video signal.
This video camera need not to carry out the laying of cable and netting twine applicable to the hazardous area that blasts such as gas, coal dust are arranged, and greatly reduces layout difficulty and the cost of supervisory control system; Video camera has the camera function under the low-light (level), has the wider scope of application; And monitoring image is short switching time, and image output smoothness is not shaken, and has good continuity.
Claims (7)
1.
A kind of mine intrinsic safety type wireless camera instrument, it is characterized in that comprising power conversion unit (1), power supply touch control unit (2), infrared ray light filling unit (3), camera module (4), video conversion module (5), wireless transmitter module (6) and antenna (7), described power conversion unit (1) is connected with power supply touch control unit (2), power supply touch control unit (2) respectively with infrared ray light filling unit (3), camera module (4), video conversion module (5) and wireless transmitter module (6) connect, each circuit is given in power supply, the output of camera module (4) is connected with the input of video conversion module (5), the output of video conversion module (5) is connected with the input of wireless transmitter module (6), wireless transmitter module (6) external antenna (7).
2.
Mine intrinsic safety type wireless camera instrument according to claim 1; it is characterized in that described power conversion unit (1) comprises storage battery BT1～BT3; resistance 1R1～1R8; electric capacity 1C1～1C6; transistor 1Q1; 1Q2 and li-ion cell protection chip 1U1; the end of the positive pole of storage battery BT1 and resistance 1R1; the end of electric capacity 1C1; the end of electric capacity 1C4; the end of electric capacity 1C2; 16 pin of the end of electric capacity 1C3 and li-ion cell protection chip 1U1 connect; the other end of the other end of resistance 1R1 and electric capacity 1C1; 15 pin of the source electrode of transistor 1Q2 and li-ion cell protection chip 1U1 connect; the grid of transistor 1Q2 is connected with the end of resistance 1R6; the other end of resistance 1R6 is connected with 3 pin of li-ion cell protection chip 1U1; 1 pin of li-ion cell protection chip 1U1 is connected with the end of the grid of transistor 1Q1 and resistance 1R5; the source electrode of transistor 1Q1 connects the drain electrode of transistor 1Q2; the drain electrode of transistor 1Q1 is connected with the other end of resistance 1R5 and the end of resistance 1R4; common output+12V DC power supply; the other end of resistance 1R4 connects 2 pin of li-ion cell protection chip 1U1; 5 pin of li-ion cell protection chip 1U1 are connected with the end of electric capacity 1C5; the end of the other end of electric capacity 1C5 and electric capacity 1C6; 7 of the end of resistance 1R7 and li-ion cell protection chip 1U1; 10; 11; 12 pin connect; the other end of electric capacity 1C6 is connected with 6 pin of li-ion cell protection chip 1U1; the other end of the other end of resistance 1R7 and electric capacity 1C4; the end of resistance 1R8 and the negative pole of storage battery BT3 connect; the positive pole of storage battery BT3 is connected with the negative pole of storage battery BT2 and the end of resistance 1R3; the positive pole of storage battery BT2 is connected with the negative pole of storage battery BT1 and the end of resistance 1R2; the other end of resistance 1R2 is connected with the other end of electric capacity 1C2 and 14 pin of lithium battery chip 1U1; the other end of resistance 1R3 is connected the 4 pin common grounds of the other end of resistance 1R8 and li-ion cell protection chip 1U1 with the other end of electric capacity 1C3 and 13 pin of li-ion cell protection chip 1U1.
3.
Mine intrinsic safety type wireless camera instrument according to claim 1, it is characterized in that described power supply touch control unit (2) comprises resistance 2R1～2R9, electric capacity 2C1～2C3, voltage stabilizing chip 2U1, singly-bound touch sensible chip 2IC1, transistor 2Q1,2Q2, voltage-stabiliser tube 2Z1, light-emitting diode 2LED1,2LED2, integrated circuit (IC) chip 2IC2 and membrane keyboard KEY, 2 pin of the end of electric capacity 2C3 and voltage stabilizing chip 2U1, the end of resistance 2R2,1 of transistor 2Q2,2,3 pin, 4 of integrated circuit (IC) chip 2IC2,6,7, the end of 8 pin and resistance 2R7 meets DC power supply+12V jointly, 1 pin of voltage stabilizing chip 2U1 and the end of electric capacity 2C1,5 pin of singly-bound touch sensible chip 2IC1 and the end of resistance 2R1 connect, 1 pin of singly-bound touch sensible chip 2IC1 is connected with the end of resistance 2R3, the other end of resistance 2R3 is connected with the grid of transistor 2Q1, the source electrode of transistor 2Q1 is connected with the end of resistance 2R4, the drain electrode of transistor 2Q1 is connected with the end of resistance 2R5, the other end of resistance 2R5 is connected with the other end of resistance 2R2 and 4 pin of transistor 2Q2,5 of transistor 2Q2,6,7,8 pin are connected with the end of resistance 2R6, and become power output end VOUT end, the other end of resistance 2R6 is connected with the positive pole of light-emitting diode 2LED1,3 pin of singly-bound touch sensible chip 2IC1 are connected with an end and the membrane keyboard KEY of electric capacity 2C2,6 pin of singly-bound touch sensible chip 2IC1 are connected with the other end of resistance 2R1,2 pin of integrated circuit (IC) chip 2IC2 are connected with the end of the other end of resistance 2R7 and resistance 2R8,3 pin of integrated circuit (IC) chip 2IC2 connect the end of resistance 2R9, the other end of resistance 2R9 is connected with the positive pole of light-emitting diode 2LED2,5 pin of integrated circuit (IC) chip 2IC2 are connected the other end of electric capacity 2C3 with the negative pole of voltage-stabiliser tube 2Z1,3 pin of voltage stabilizing chip 2U1, the other end of electric capacity 2C1, the other end of electric capacity 2C2,2 pin of singly-bound touch sensible chip 2IC1, the other end of resistance 2R4, the negative pole of light-emitting diode 2LED1, the negative pole of light-emitting diode 2LED2, the positive pole of voltage-stabiliser tube 2Z1,1 pin of integrated circuit (IC) chip 2IC2 and the other end common ground of resistance 2R8.
4.
Mine intrinsic safety type wireless camera instrument according to claim 1, it is characterized in that described infrared ray light filling unit (3) comprises electric capacity 3C1～3C3, resistance 3R1,3R2, inductance 3Lh1, Schottky diode 3D1, LED drives chip 3IC1 and light-emitting diode 3L1～3L18, the end of electric capacity 3C1, the end of resistance 3R1,2 pin of LED driving chip 3IC1 and the end of inductance 3Lh1 are connected to the VOUT end of power supply touch control unit (2) jointly, the other end of resistance 3R1 is connected with 1 pin that LED drives chip 3IC1,3 pin that LED drives chip 3IC1 are connected with the end of resistance 3R2 and the end of electric capacity 3C3,5 pin that LED drives chip 3IC1 are connected with the other end of inductance 3Lh1,6 pin that LED drives chip 3IC1 are connected with the positive pole of Schottky diode 3D1, the end of the negative pole of Schottky diode 3D1 and electric capacity 3C2, the positive pole of the positive pole of light-emitting diode 3L1 and light-emitting diode 3L2 connects, the negative pole of light-emitting diode 3L1 connects the positive pole of light-emitting diode 3L3, the negative pole of light-emitting diode 3L3 is connected with the positive pole of light-emitting diode 3L5, the negative pole of light-emitting diode 3L5 is connected with the positive pole of light-emitting diode 3L7, the negative pole of light-emitting diode 3L7 is connected with the positive pole of light-emitting diode 3L9, the negative pole of light-emitting diode 3L9 connects the positive pole of light-emitting diode 3L11, the negative pole of light-emitting diode 3L11 connects the positive pole of light-emitting diode 3L13, the negative pole of light-emitting diode 3L13 connects the positive pole of light-emitting diode 3L15, the negative pole of light-emitting diode 3L15 connects the positive pole of light-emitting diode 3L17, the negative pole of light-emitting diode 3L2 connects the positive pole of light-emitting diode 3L4, the negative pole of light-emitting diode 3L4 is connected with the positive pole of light-emitting diode 3L6, the negative pole of light-emitting diode 3L6 is connected with the positive pole of light-emitting diode 3L8, the negative pole of light-emitting diode 3L8 is connected with the positive pole of light-emitting diode 3L10, the negative pole of light-emitting diode 3L10 connects the positive pole of light-emitting diode 3L12, the negative pole of light-emitting diode 3L12 connects the positive pole of light-emitting diode 3L14, the negative pole of light-emitting diode 3L14 connects the positive pole of light-emitting diode 3L16, the negative pole of light-emitting diode 3L16 connects the positive pole of light-emitting diode 3L18, the other end of electric capacity 3C1, LED drives 7 of chip 3IC1,8 pin, the other end of resistance 3R2, the other end of electric capacity 3C3, the other end of electric capacity 3C2, the negative pole common ground of the negative pole of light-emitting diode 3L17 and light-emitting diode 3L18.
5.
Mine intrinsic safety type wireless camera instrument according to claim 1 is characterized in that described camera module (4) also is equipped with camera lens (41).
6.
Mine intrinsic safety type wireless camera instrument according to claim 1, it is characterized in that described power conversion unit (1), power supply touch control unit (2), infrared ray light filling unit (3), camera module (4), video conversion module (5) and wireless transmitter module (6) are encapsulated in the housing (8), described antenna (7) leans out outside housing (8).
7.
Mine intrinsic safety type wireless camera instrument according to claim 6 is characterized in that described housing (8) is welded by corrosion resistant plate
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310087476.9A CN103188483B (en) | 2013-03-19 | 2013-03-19 | Mine-used I. S wireless camera instrument |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112087605A (en) * | 2020-09-21 | 2020-12-15 | 中国矿业大学(北京) | Method and system for monitoring illumination of underground environment |
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| CN112087605A (en) * | 2020-09-21 | 2020-12-15 | 中国矿业大学(北京) | Method and system for monitoring illumination of underground environment |
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| CN103188483B (en) | 2015-10-28 |
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