CN103568951A - Lens monitoring device for power line - Google Patents
Lens monitoring device for power line Download PDFInfo
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- CN103568951A CN103568951A CN201210281783.6A CN201210281783A CN103568951A CN 103568951 A CN103568951 A CN 103568951A CN 201210281783 A CN201210281783 A CN 201210281783A CN 103568951 A CN103568951 A CN 103568951A
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- electric wireline
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- camera lens
- image signal
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Abstract
The invention relates to a lens monitoring device for a power line. The lens monitoring device for the power line is arranged on a vehicle and comprises a cable, a first lens, a radio frequency transducer, a screen host computer and a radio frequency receiver, wherein the cable is arranged in the vehicle and is electrically connected with an electrical power system of the vehicle so as to form a first power line; the first lens is located on the periphery of the vehicle and is used for capturing a first image signal; an input end of the radio frequency transducer is electrically connected with the first lens while an output end is electrically connected with the first power line; the first image signal is sent to the first power line through the radio frequency transducer; the screen host computer is located in the vehicle and is used for displaying the first image signal; the input end of the radio frequency receiver is electrically connected with the first power line while the output end is electrically connected with the screen host computer. According to the lens monitoring device for the power line, an image signal is generated by an object shot by the lens, a carrier wave is generated by the power line, the image signal is sent to a wired cable in the form of a wireless radio-frequency signal and then is transmitted to the screen host computer, and the image signal is transmitted while the noise is reduced, so that the lens monitoring device has a dual function of electric power and image signal transmission.
Description
Technical field
The present invention is the camera lens control monitor unit of relevant a kind of electric wireline, espespecially single electric wireline integrating power supply and the signal of vehicle, simplify complicated distribution, allows I&M more simply reduce costs, also can realize vehicle and must install camera lens control monitor unit, strengthen the safety of travelling.
Background technology
Shown in Fig. 1, conventionally vehicle 80 is when reversing, its driver need be dependent on back mirror 81, and carry out the detecting of rear object, concerning driver, there is suitable difficulty, except wanting good driving technique, more to note surrounding environment, especially in the dead aft of vehicle, the dead angle that driver is difficult for discovering often, visual angle, driver rear is difficult to extend left and right sides again.
Inferior person, this vehicle 80, nothing more than having Combination Truck Tractor-trailer, truck etc., is drawn and mobile counter 802 by tractor truck 801, allows this driver be difficult to control, and because transportation is considered, tractor truck 801 and counter 802 need be carried out to separation, as the problems referred to above, make the transmission line of electric power or signal, more be difficult to distribution, these vehicle 80 front and back ends also have suitable distance again, and even are installed on camera lens control monitor unit, are difficult for being implemented on this vehicle 80.
The present invention is for simplifying distribution complexity and avoiding wireless signal to disturb below, and promote camera lens control monitor unit stability, reduce distribution cost and coordinate separation trailer 801 and counter 802 inquire into and illustrate.
So look into, for these vehicle 80 detecting objects, avoid the problem of collision, and then install this camera lens control monitor unit, such as US Patent No.5,680, case before No. 123 patents, as shown in Figure 2, on this vehicle 80, install a plurality of camera lenses 82, carry out A, B, the monitoring of C block, and be shown in the screen main frame (not shown) in this tractor truck 801, and this screen main frame carries out Picture switch, but for these vehicle 80 structures and demand and this camera lens control monitor unit, do not integrate, and have not attain as follows, improve part:
One, between the screen main frame and many camera lenses of this camera lens control monitor unit, its electric power, signal all need several electric wires and cable to transmit, and this vehicle 80 has complicated electric power system (not shown), make to install camera lens control monitor unit more difficult.
When two, the tractor truck 801 of this vehicle and counter 802 carry out separation, and be installed on, between this screen main frame and many camera lenses, configure several electric wires, must disassemble, make forward and backward correlativity too high and cannot individual module, again in both sides installing camera lens 82, but as above-mentioned, say, increase distribution complexity and cost and promote, allow this camera lens control monitor unit be difficult to universalness.
Three, for the problems referred to above point, also there is dealer to disclose or propose improvement, such as US Patent No.6, case before 995, No. 687 patents, as shown in Figure 3; But look into, above-mentioned patent mainly will wireless radio frequency transmission mode be simplified distribution, allow the camera lens control monitor unit transmission signal not only of front and back ends, again can individual module, but this kind of wireless telecommunications must be considered following points:
1. counter 802 length of this vehicle 80 are inconsistent, make to be installed in the receptor 83 of this tractor truck 801 and the forwarder 84 of this counter 802, cannot unify transmission distance, and then affect the strong and weak stability of RF signal S 80, S83 and S84.
2. when forwarder 84 is with receptor 83 radio signal transmission, because of this counter volume size, make RF signal S 80, S83 and S84 in space and have decentralized signal and and noise jamming, therefore when design radio frequency transmitter 84, receptor 83 module, cannot consider counter 802 uncertainties.
3. transmission over radio easily occur to be disturbed onboard and is produced noise, and between different vehicle, pairing code has repeatability, adds that again various countries' rules defined frequency differs, make signal cannot complete transmission to destination.
Comprehensively above-mentioned, if can integrate power supply and signal between this screen main frame and this camera lens with single cable, simplify distribution complexity, and with the cable of this vehicle 80 own, make electric power that the power supply of this camera lens control monitor unit can be provided, in other words, wireless and wired integration also can be connected in series signal, make the radiofrequency signal between this forwarder 84 and this receptor 83, be incorporated in this cable, and then reduction distribution is complicated and noise jamming, there is again multi-level modularity simultaneously, if with wireless mode, reduce the distribution of transmission signal, make this forwarder 84, between this receptor 83 and this cable, be easy to installing and disassemble and there is portability, for little modularity, if with wired mode, wired cable junction of this tractor truck 801 and this counter 802, is more provided with one group of cable adapter, and easily separated this forwarder 84 and this receptor 83, do not affect this tractor truck 801 these counter 802 separation, is large modularity, therefore, be still improved space.
Therefore how for the problem points of above-mentioned existing camera lens control monitor unit, improved, it is the problem that wish of the present invention solves.
Summary of the invention
Technical problem underlying to be solved by this invention is, overcome the above-mentioned defect that prior art exists, and provide a kind of camera lens control monitor unit of electric wireline, its with single electric wireline in conjunction with power supply and signal, and simplification distribution, be easy to install and disassemble, there is modularity, do not affect tractor truck and counter separated, allow electric wireline there is integrating power supply, signal and modular effect, utilize single electric wireline, wireless signal is connected in series with wired signal, set up noise-free passage, and then improving stability, when less radio-frequency module designs, need only consider electric wireline specification, need not consider other environmental factor, allow and transmit and the power receiving, can there is matching.
The technical solution adopted for the present invention to solve the technical problems is:
The technological means of the camera lens control monitor unit of electric wireline of the present invention comprises:
One cable, is inside located in this vehicle, and the electric system that it is electrically connected this vehicle forms one first electric wireline; One first camera lens, is positioned at this vehicle-surroundings, and captures one first image signal; One radio frequency transmitter, is electrically connected this first camera lens in input end, is electrically connected this first electric wireline again in mouth, by this radio frequency transmitter, this first image signal is sent to this first electric wireline; One screen main frame, is positioned at this vehicle, and shows this first image signal; And a radio frequency receiver, in input end, be electrically connected this first electric wireline, in mouth, be electrically connected this screen main frame again, and be medium by this first electric wireline, receive this radio frequency transmitter and transmit this first image signal to this screen main frame; Whereby, this first electric wireline produces its carrier wave, makes the first image signal can be with radio frequency signal to wire cable line, then transfers to this screen main frame.
According to the aforementioned feature of the present invention, this radio frequency transmitter is more electrically connected one second camera lens, and capture one second image signal, and be embedded in the back-mirror housing of this vehicle, this first electric wireline is more electrically connected one second electric wireline, and further this second electric wireline is more electrically connected a drive recorder, and this drive recorder is more electrically connected a three-lens, and capture one the 3rd image signal, and be arranged at this vehicle front.
Again, this radio frequency transmitter is more provided with one first circuit module, this first circuit module has a modulator, one first oscillator, one first op amp and one first electric capacity, this modulator becomes high-frequency signal by this first image signal or this second image signal modulation, through this first oscillator, produce cycle string ripple signal again, with this first op amp, signal is amplified to this first electric capacity again, and carries out signal coupling to this first electric wireline with this first electric capacity.
Another, this first electric wireline, with parallel way, more comprises and be electrically connected one first pulse width modulation and one second pulse width modulation, and carry out the control of voltage, and service voltage is in the power supply of this first camera lens or this second camera lens and this first circuit module.
Again, this radio frequency receiver is more provided with a second circuit module, this second circuit module has a demoder, one frequency mixer, one second oscillator, one surface wave filter, one second op amp, one the 3rd op amp, one four-operational amplifier and one second electric capacity, this the first electric wireline carry high frequency rate signal, by this second electric capacity, carry out signal coupling, through this second op amp, amplify signal again, with this second oscillator, produce cycle string ripple signal again, to amplify signal and string ripple signal simultaneously, synthetic via this frequency mixer, form medium frequency signal, then the 3rd op amp amplifies signal, and by this surface wave filter filtered noise, by this four-operational amplifier, amplify signal to this demoder again, make this demoder be demodulated into this first image signal or this second image signal by medium frequency signal, and then be transmitted in this screen main frame.
Again one, this first electric wireline, with parallel way, is electrically connected one the 3rd pulse width modulation and one the 4th pulse width modulation, and carries out the control of voltage, and service voltage is in the power supply of this screen main frame and this second circuit module.
In addition, this first electric wireline is more provided with one first cable junction and one second cable junction.
By above-mentioned technological means, the camera lens control monitor unit that the present invention is able to electric wireline reaches effective problem points of improving prior art, with this first electric wireline, be electrically connected this radio frequency receiver and this radio frequency transmitter, again with pulse width modulation, make electric power through this camera lens control monitor unit, utilize again this first electric wireline to make wireless and wiredly can set up to be connected in series signal passage, as set up an express highway, in other words, by this first circuit module by high-frequency signal, by this first electric wireline, transfer to this second circuit module, avoid noise jamming, and then the stability of bont, when this radio frequency receiver and the design of this radio frequency transmitter, need only consider electric wireline specification, need not consider other environmental factor, and then the power that transmits and receive, the effect with coupling.
The invention has the beneficial effects as follows, its with single electric wireline in conjunction with power supply and signal, and simplification distribution, be easy to install and disassemble, there is modularity, do not affect tractor truck and counter separated, allow electric wireline there is integrating power supply, signal and modular effect, utilize single electric wireline, wireless signal is connected in series with wired signal, set up noise-free passage, and then improving stability, when less radio-frequency module designs, need only consider electric wireline specification, need not consider other environmental factor, allow and transmit and the power receiving, can there is matching.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the present invention is further described.
Fig. 1 is the schematic diagram of existing vehicle mirrors monitoring.
Fig. 2 is the schematic diagram of the camera lens control monitor unit of existing vehicle wire transmission.
Fig. 3 is the schematic diagram of the camera lens control monitor unit of existing vehicle wireless transmission.
Fig. 4 is the schematic diagram of the camera lens control monitor unit of electric wireline of the present invention.
Fig. 5 is the circuit block diagram of the camera lens control monitor unit of electric wireline of the present invention.
Fig. 6 is the circuit block diagram of radio frequency transmitter of the present invention.
Fig. 7 is the circuit block diagram of radio frequency receiver of the present invention.
Fig. 8 is that camera lens of the present invention is embedded in back-mirror housing.
Fig. 9 is the schematic diagram of the camera lens control monitor unit of electric wireline of the present invention.
Number in the figure explanation:
10 vehicles
101 tractor trucks
102 counters
11 cables
12 electric system
13 first electric wireline
20 first camera lenses
21 first image signals
22 first objects
23 second camera lenses
24 second image signals
25 second objects
30 radio frequency transmitters
31 first circuit module
311 modulators
312 first oscillators
313 first op amps
314 first electric capacity
315 high-frequency signals
32 first pulse width modulations
33 second pulse width modulations
40 screen main frames
50 radio frequency receivers
51 second circuit modules
511 demoders
512 frequency mixers
513 second oscillators
514 surface wave filters
515 second op amps
516 the 3rd op amps
517 four-operational amplifiers
518 second electric capacity
519 medium frequency signals
52 the 3rd pulse width modulations
53 the 4th pulse width modulations
60 radiofrequency signals
61 signal couplings
70 first cable junctions
71 second cable junctions
90 second electric wireline
91 drive recorders
92 three-lens
93 the 3rd image signals
94 third bodies
The specific embodiment
First, refer to shown in Fig. 4, the present invention is a kind of camera lens control monitor unit of electric wireline espespecially, and preferred embodiment comprises:
Be installed in vehicle 10, comprise: a cable 11, be installed in this vehicle 10, it is electrically connected the electric system 12 of this vehicle 10, form an electric wireline 13, in the present embodiment, this vehicle 10 can be Combination Truck Tractor-trailer, but not as limit, tractor truck 101 can decompose with counter 102, further, be these the first electric wireline 13 junctions of this tractor truck 101 and this counter 102, be more provided with one first cable junction 70 and one second cable junction 71.
Hold, in the present embodiment, these the first electric wireline 13 two ends are electrically connected respectively a radio frequency transmitter 30 and a radio frequency receiver 50, by above-mentioned cable junction 70,71, do not affect this tractor truck 101 these counter 102 separation, make this radio frequency transmitter 30 and this radio frequency receiver 50 installation positions, reduce correlativity and promote independence.
Shown in Fig. 5, one screen main frame 40, one first camera lens 20 and lay respectively in this vehicle 10 and periphery, these radio frequency transmitter 30 input ends are electrically connected this first camera lens 20, in mouth, be electrically connected this first electric wireline 13 again, simultaneously, these radio frequency receiver 50 input ends are electrically connected this first electric wireline 13, in mouth, be electrically connected this screen main frame 40 again, make these the first electric wireline 13 supply power supplys to this radio frequency transmitter 30 and this radio frequency receiver 50, carry out radiofrequency signal 60 transmission, yet also make this first camera lens 20, and the power supply of this screen main frame 40 has electric power.
Again, this first camera lens 20 is arranged at this vehicle 10 shooting dead aft, rear end one first objects 22, and capture one first image signal 21, further, this radio frequency transmitter 30 is more electrically connected one second camera lens 23 and takes one second object 25, and capture one second image signal 24, and be embedded in the back-mirror housing 103 of this vehicle 10, in other words, this radio frequency transmitter 30 can be fixed on optimum position according to above-mentioned different lens locations, make the length optimization of this first electric wireline 13, by this radio frequency transmitter 30, this first image signal 21 or this second image signal 24 are sent to this first electric wireline 13, and be medium by this first electric wireline 13, receive this radio frequency transmitter 30 this first image signal 21 that transmits or this second image signal 24 to this screen main frame 40.
Hold, in the present embodiment, this first electric wireline 13 is more electrically connected one second electric wireline 90, further this second electric wireline 90 is more electrically connected a drive recorder 91, this drive recorder 91 is more electrically connected a three-lens 92, and takes a third body 93 and capture one the 3rd image signal 93 to this screen main frame 90 and record a video to this drive recorder 91 with this three-lens 92.And this first electric wireline 13 is electrically connected with this second electric wireline 90, make this first image signal 21 or this second image signal 24 be sent to this second electric wireline 90, and video recording is to this drive recorder 91.
As shown in Figure 6, these radio frequency transmitter 30 circuit layout are a possible embodiments, but not as limit.This radio frequency transmitter 30 is more provided with one first circuit module 31, this first circuit module 31 has a modulator 311, one first oscillator 312, one first op amp 313 and one first electric capacity 314, this modulator 311 becomes high-frequency signal 315 by this first image signal 21 or this second image signal 24 modulations, through this first oscillator 312, produce cycle string ripple signal again, with this first op amp 313, signal is amplified to this first electric capacity 314 again, and carry out signal coupling 61 to this first electric wireline 13 with this first electric capacity 314, the radiofrequency signal 60 that forms this radio frequency transmitter 30 can load on this first electric wireline 13 and transmit.
Again, for power transmission, this first electric wireline 13 is with parallel way, to be electrically connected one first pulse width modulation 32 and one second pulse width modulation 33, give respectively this first circuit module 31 voltage five volts of (V) and 200 two volts, this first camera lenses (V), and carry out the control of voltage, and service voltage is in the power supply of this first camera lens 20 and this first circuit module 31.
As shown in Figure 7, these radio frequency receiver 50 circuit layout are a possible embodiments, but not as limit.This radio frequency receiver 50 is more provided with a second circuit module 51, this second circuit module 51 has a demoder 511, one frequency mixer 512, one second oscillator 513, one surface wave filter 514, one second op amp 515, one the 3rd op amp 516, one four-operational amplifier 517 and one second electric capacity 518, by above-mentioned this first electric wireline 13, transmit radiofrequency signal 60, by this second electric capacity 518, carry out signal coupling 61, through this second op amp 515, amplify signal again, with this second oscillator 513, produce cycle string ripple signal again, to amplify signal and string ripple signal simultaneously, synthetic via this frequency mixer 512, form medium frequency signal 519, then the 3rd op amp 516 amplifies signal, and by these surface wave filter 514 filtered noises, by this four-operational amplifier 517, amplify signal to this demoder 511 again, make this demoder 511 allow medium frequency signal 519 be demodulated into this first image signal 21 or this second image signal 24, and then be transmitted in this screen main frame 10.
Again one, for power transmission, this first electric wireline 13 is with parallel way, more comprise and be electrically connected one the 3rd pulse width modulation 52 and one the 4th pulse width modulation 53, give respectively this second circuit module 51 voltage five volts of (V) and 400 two volts, this screen main frames (V), and carry out the control of voltage, and service voltage is in the power supply of this screen main frame 40 and this second circuit module 51.
As shown in Fig. 8～Fig. 9, in the present embodiment, with many camera lenses monitoring round of vehicle environment, by the first camera lens 20, this second camera lens 23 and three-lens 93, be arranged at respectively rear vehicle end, be embedded in back mirror 103 housings and vehicle 10 front ends, the C block monitoring of formation dead aft, left and right, visual angle, rear extend to A, the monitoring of B block and the monitoring of dead ahead D block, the image signal of the captured object of above-mentioned each camera lens can be recorded a video in this drive recorder 91, make driver's recording traffic accident, differentiate the ownership of responsibility, driver can be felt at ease to drive.
Comprehensively above-mentioned, please consult again Fig. 5～Fig. 9 simultaneously, the present invention is in order to transmitting image signal by electric wireline Principle of Communication, this first electric wireline 13 is electrically connected to this electric system 12, present electric wireline state, by research and development, design first, two circuit module 30, 50, make this first image signal 21 or this second image signal 24 of this first camera lens 20 or the second camera lens 23 object of detecting 22, through modulation, can be loaded on this first electric wireline 13 with high-frequency signal 315, again this first image signal 21 or this second image signal 24 are got off from these the first electric wireline 13 demodulation, coordinate the first pulse width modulation to the four pulse width modulations 32 simultaneously, 33, 52, 53, change 13 output voltages to the first of this first electric wireline, two circuit module 30, 50, the first camera lens 20 or the second camera lens 23 and screen main frame 40, yet pulse width modulation technology and power line communication principle, non-this case patent object, hold and do not repeat.
Based on formation like this, single electric wireline is integrated each power supply of camera lens control monitor unit, wireless signal and wired signal, makes camera lens control monitor unit have electric power and transmission image signal, allows the single electric wireline of each configurations of lenses, make arbitrary camera lens can be arranged at this arbitrary position of vehicle 10, and monitoring object around.
By above-mentioned technological means, the camera lens control monitor unit of electric wireline of the present invention effectively improves the problem points of prior art, and it has following effect and need illustrate again:
One. the present invention utilizes single electric wireline to complete the serial connection of wireless and wired signal, forms noiseless image signal 21 transmission paths, and reduces audio-visual transmission line.
Two. the present invention utilizes single electric wireline and coordinates pulse width modulation technology, stable by Voltage-output in the power supply of each electronics package, and reduce power lead, be provided with one group of cable adapter 70,71 simultaneously, coordinate the separation of vehicle 10.
Three. again one, two main points are done to combination, single electric wireline integrating power supply and signal, simplify distribution complicated, and present multi-level modularity, if with wireless viewpoint, between camera lens control monitor unit and single electric wireline, being easy to install and disassembling and have portability, is little modularity; If with wired viewpoint, be provided with one group of cable adapter 70,71, this camera lens control monitor unit does not affect this tractor truck 101 these counter 102 separation, is large modularity.
Four. less radio-frequency module design transmits and the power match receiving, and need not consider other environmental factor, need only consider this first electric wireline 13 specifications, shortens the time of research and development and reduces cost, and can carry out volume production.
Five. for present commercially available many camera lenses drive recorder, not only trouble is installed in left and right, and not attractive in appearance.And the installation addresses of camera lens is considered power supply and object, wiring is difficult for.Existing commercially available many camera lenses drive recorder, left and right camera lens is mostly arranged on car side, as front guarantor's bar both sides or lappet two sides or exterior mirror below.And this has difficult wiring and problem attractive in appearance.If but adopt the present invention, only camera lens need be arranged on to exterior mirror 103 belows, and image signal and power supply are received to the first electric wireline 13 sending ends, and by the original circuit of vehicle 10, can receive at the second electric wireline 90 receiving ends of drive recorder 91 bodies image signal video recording.This installs difficult problem with regard to having solved current drive recorder 91 left and right camera lenses.Not only attractive in appearance, and be difficult for there is the doubt of colliding and leaking because exposing.Whereby, the present invention integrates one～five points, taken in by research and development, construction and time, allow difficulty of construction reduce and reduce the engineering time, not only solve distribution, the problem also significantly reducing costs, is easily implemented in this vehicle 10 simultaneously, be not simple addition function, but there is the mutually auxiliary effect multiplying each other.
The above, it is only preferred embodiment of the present invention, not the present invention is done to any pro forma restriction, any simple modification, equivalent variations and modification that every foundation technical spirit of the present invention is done above embodiment, all still belong in the scope of technical solution of the present invention.
In sum, the present invention is in structure design, use practicality and cost benefit, meet industry development completely required, and the structure disclosing is also to have unprecedented innovative structure, there is novelty, creativeness, practicality, the regulation that meets relevant patent of invention important document, therefore mention application in accordance with the law.
Claims (10)
1. a camera lens control monitor unit for electric wireline, is characterized in that, is to be installed in vehicle, comprising:
One cable, is inside located in this vehicle, and the electric system that it is electrically connected this vehicle forms one first electric wireline;
One first camera lens, is positioned at this vehicle-surroundings, and captures one first image signal;
One radio frequency transmitter, is electrically connected this first camera lens in input end, is electrically connected this first electric wireline again in mouth, by this radio frequency transmitter, this first image signal is sent to this first electric wireline;
One screen main frame, is positioned at this vehicle, and shows this first image signal;
One radio frequency receiver, is electrically connected this first electric wireline in input end, is electrically connected this screen main frame again in mouth, and is medium by this first electric wireline, receives this radio frequency transmitter and transmits this first image signal to this screen main frame;
Whereby, this first electric wireline produces its carrier wave, makes the first image signal can be with radio frequency signal to wire cable line, then transfers to this screen main frame.
2. the camera lens control monitor unit of electric wireline according to claim 1, is characterized in that, described the first camera lens is arranged at this rear vehicle end.
3. the camera lens control monitor unit of electric wireline according to claim 1, is characterized in that, described radio frequency transmitter is more electrically connected one second camera lens, and captures one second image signal, and is embedded in the back-mirror housing of this vehicle.
4. the camera lens control monitor unit of electric wireline according to claim 1, is characterized in that, described the first electric wireline is more electrically connected one second electric wireline, and further this second electric wireline is more electrically connected a drive recorder.
5. the camera lens control monitor unit of electric wireline according to claim 4, is characterized in that, described drive recorder is more electrically connected a three-lens, and captures one the 3rd image signal, and is arranged at this vehicle front.
6. according to the camera lens control monitor unit of the electric wireline described in any one in claim 1 to 5, it is characterized in that, described radio frequency transmitter is more provided with one first circuit module, this first circuit module has a modulator, one first oscillator, one first op amp and one first electric capacity, this modulator becomes high-frequency signal by this first image signal or this second image signal modulation, through this first oscillator, produce cycle string ripple signal again, with this first op amp, signal is amplified to this first electric capacity again, and carry out signal coupling to this first electric wireline with this first electric capacity.
7. the camera lens control monitor unit of electric wireline according to claim 6, it is characterized in that, described the first electric wireline is with parallel way, more comprise and be electrically connected one first pulse width modulation and one second pulse width modulation, and carry out the control of voltage, and service voltage is in the power supply of this first camera lens or this second camera lens and this first circuit module.
8. the camera lens control monitor unit of electric wireline according to claim 7, it is characterized in that, described radio frequency receiver is more provided with a second circuit module, this second circuit module has a demoder, one frequency mixer, one second oscillator, one surface wave filter, one second op amp, one the 3rd op amp, one four-operational amplifier and one second electric capacity, this the first electric wireline carry high frequency rate signal, by this second electric capacity, carry out signal coupling, through this second op amp, amplify signal again, with this second oscillator, produce cycle string ripple signal again, to amplify signal and string ripple signal simultaneously, synthetic via this frequency mixer, form medium frequency signal, then the 3rd op amp amplifies signal, and by this surface wave filter filtered noise, by this four-operational amplifier, amplify signal to this demoder again, make this demoder be demodulated into this first image signal or this second image signal by medium frequency signal, and then be transmitted in this screen main frame.
9. the camera lens control monitor unit of electric wireline according to claim 8, it is characterized in that, described the first electric wireline is with parallel way, be electrically connected one the 3rd pulse width modulation and one the 4th pulse width modulation, and carry out the control of voltage, and service voltage is in the power supply of this screen main frame and this second circuit module.
10. the camera lens control monitor unit of electric wireline according to claim 9, is characterized in that, described the first electric wireline is more provided with one first cable junction and one second cable junction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210281783.6A CN103568951B (en) | 2012-08-09 | 2012-08-09 | The camera lens control monitor unit of electric wireline |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210281783.6A CN103568951B (en) | 2012-08-09 | 2012-08-09 | The camera lens control monitor unit of electric wireline |
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| CN103568951A true CN103568951A (en) | 2014-02-12 |
| CN103568951B CN103568951B (en) | 2015-12-16 |
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|---|---|---|---|---|
| TWM313829U (en) * | 2007-01-05 | 2007-06-11 | Jin-Tang Chen | Warning system for drivers without a transmission line |
| WO2007138759A1 (en) * | 2006-05-25 | 2007-12-06 | Mitsubishi Electric Corporation | Control device for vehicle |
| CN101523749A (en) * | 2006-09-29 | 2009-09-02 | 三菱电机株式会社 | Power line communication device |
| TWM392773U (en) * | 2010-05-21 | 2010-11-21 | Fortune Prec Technology Co Ltd | Auxiliary apparatus with panoramic viewing and recording for car driving |
| CN102514531A (en) * | 2011-12-28 | 2012-06-27 | 东南大学 | Vehicle-mounted real-time panorama monitoring and recording system |
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2012
- 2012-08-09 CN CN201210281783.6A patent/CN103568951B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2007138759A1 (en) * | 2006-05-25 | 2007-12-06 | Mitsubishi Electric Corporation | Control device for vehicle |
| CN101523749A (en) * | 2006-09-29 | 2009-09-02 | 三菱电机株式会社 | Power line communication device |
| TWM313829U (en) * | 2007-01-05 | 2007-06-11 | Jin-Tang Chen | Warning system for drivers without a transmission line |
| TWM392773U (en) * | 2010-05-21 | 2010-11-21 | Fortune Prec Technology Co Ltd | Auxiliary apparatus with panoramic viewing and recording for car driving |
| CN102514531A (en) * | 2011-12-28 | 2012-06-27 | 东南大学 | Vehicle-mounted real-time panorama monitoring and recording system |
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| CN103568951B (en) | 2015-12-16 |
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