CN108259826A - The image acquisition transmission system of multiple images is shown in same picture - Google Patents
The image acquisition transmission system of multiple images is shown in same picture Download PDFInfo
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- CN108259826A CN108259826A CN201810005494.0A CN201810005494A CN108259826A CN 108259826 A CN108259826 A CN 108259826A CN 201810005494 A CN201810005494 A CN 201810005494A CN 108259826 A CN108259826 A CN 108259826A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N7/00—Television systems
- H04N7/18—Closed-circuit television [CCTV] systems, i.e. systems in which the video signal is not broadcast
- H04N7/181—Closed-circuit television [CCTV] systems, i.e. systems in which the video signal is not broadcast for receiving images from a plurality of remote sources
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
- H02H3/00—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection
- H02H3/02—Details
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Abstract
The invention discloses a kind of image acquisition transmission systems that multiple images are shown in same picture; including integrated photographic device, display panel drive device, multi-view display panel, parameter setting apparatus, microprocessor and power protecting circuit; integrated photographic device includes power-supplying circuit and multiple cameras; multiple cameras are connect with power-supplying circuit, and display panel drive device includes multiple image quality adjustment circuits and a display panel, drive circuit；Power-supplying circuit includes electrode input end, negative input, cathode output end, cathode output end, the first diode, first resistor, second resistance, the second zener diode, the first triode, 3rd resistor, the first capacitance, the 4th resistance, the second triode, third zener diode and the first metal-oxide-semiconductor.Easy-to-connect of the present invention is simple, multiple images can be simultaneously displayed in same picture, circuit structure is relatively simple, cost is relatively low, the safety and reliability of circuit is higher.
Description
Technical field
It is more particularly to a kind of to show that the image of multiple images is adopted in same picture the present invention relates to Image Acquisition display field
Collect Transmission system.
Background technology
At present, camera mainly by USB (Universal Serial Bus) interface, Ethernet interfaces or
It is MIPICSI (Mobile Industry Processor Interface Camera Serial Interface) interface, parallel
Interface, MIPI interfaces (Mobile Industry Processor Interface, mobile industry processor interface) etc., will adopt
The image transmitting of collection gives server (server can be (SuSE) Linux OS or Windows operating system).
In application scenes, such as automatic Pilot field, often installation number more (such as 9 tunnels or even more than ten on vehicle
Road) camera for acquiring ambient image data, installing too many camera, not only wiring is complicated, can also cause the wave of cost
Take.The image that camera acquires can only individually be shown in traditional Image Acquisition display system, it is impossible to by multiple camera shootings
The image of head acquisition is simultaneously displayed in same picture.In addition, the electricity of the power pack in traditional Image Acquisition display system
Line structure is complicated, and hardware cost is higher.And it is protected since the power pack in traditional image capturing system lacks corresponding circuit
Protective function, the safety and reliability for causing circuit be not high.
Invention content
The technical problem to be solved in the present invention is, for the drawbacks described above of the prior art, provides a kind of easy-to-connect letter
It is single, multiple images can be simultaneously displayed in same picture, circuit structure is relatively simple, cost is relatively low, the safety of circuit and
The higher image acquisition transmission system that multiple images are shown in same picture of reliability.
The technical solution adopted by the present invention to solve the technical problems is：Construction is a kind of to show multiple images in same picture
Image acquisition transmission system, set including integrated photographic device, display panel drive device, multi-view display panel, parameter
Device, microprocessor and power protecting circuit are put, the integration photographic device includes power-supplying circuit and multiple cameras,
Multiple cameras are connect with the power-supplying circuit, and the display panel drive device includes multiple image quality adjustment electricity
Road and a display panel, drive circuit, each image quality adjustment circuit with the corresponding camera connection, for connecing
It receives the original image of the camera acquisition and the adjustment of brightness, contrast, clarity and coloration is carried out to it, and will be after adjustment
Image be input to the display panel, drive circuit, the display panel, drive circuit to the image after the adjustment exist
It should show the signal processing of image on the multi-view display panel, and the drive signal obtained after processing is sent to described
Image after multiple adjustment is simultaneously displayed in same picture by multi-view display panel, the multi-view display panel,
The parameter setting apparatus is connect with the microprocessor, the setting value for input for image quality adjustment, the microprocessor
According to the set value calculation, each the image quality adjustment circuit carries out corresponding image quality adjustment, the power protecting circuit and institute
State microprocessor connection, the protection for carrying out power supply；
The power-supplying circuit includes electrode input end, negative input, cathode output end, cathode output end, first
Diode, first resistor, second resistance, the second zener diode, the first triode, 3rd resistor, the first capacitance, the 4th electricity
Resistance, the second triode, third zener diode and the first metal-oxide-semiconductor, cathode and the electrode input end of first diode
Connection, the anode of first diode connect with the negative input, the cathode of first diode also respectively with institute
The one end for stating first resistor is connected with the cathode of the second zener diode, and the base stage of first triode is respectively with described first
The other end of resistance is connected with one end of second resistance, and the other end of the second resistance is connect with the negative input, institute
It states the one end of the emitter of the first triode respectively with the anode of second zener diode and 3rd resistor to connect, described
The other end of three resistance is connect with the negative input；
The collector of first triode passes through first capacitance one end and second with the 4th resistance respectively
The base stage connection of triode, the other end of the 4th resistance and the emitter of the second triode connect with the negative input
Connect, the collector of second triode respectively with the cathode of the third zener diode, the grid of the first metal-oxide-semiconductor, second
The cathode of zener diode is connected with cathode output end, and the anode of the third zener diode and the source electrode of the first metal-oxide-semiconductor are equal
It is connect with the negative input, the drain electrode of first metal-oxide-semiconductor is connect with the cathode output end, the electricity of first capacitance
Capacitance is 500pF.
In the image acquisition transmission system of the present invention for showing multiple images in same picture, the power supply power supply
Circuit further includes the 4th diode, and the anode of the 4th diode is connect with the cathode of second zener diode, described
The cathode of 4th diode is connect with the cathode output end, the model S-562 of the 4th diode.
In the image acquisition transmission system of the present invention for showing multiple images in same picture, the power supply power supply
Circuit further includes the second capacitance, and one end of second capacitance is connect with the collector of second triode, second electricity
The other end of appearance is connect with the grid of first metal-oxide-semiconductor, and the capacitance of second capacitance is 460pF.
In the image acquisition transmission system of the present invention for showing multiple images in same picture, the power supply power supply
Circuit further includes the 5th resistance, and one end of the 5th resistance is connect with the emitter of second triode, the 5th electricity
The other end of resistance is connect with the negative input, and the resistance value of the 5th resistance is 33k Ω.
In the image acquisition transmission system of the present invention for showing multiple images in same picture, the one or three pole
It manages as PNP type triode, second triode is NPN type triode, and first metal-oxide-semiconductor is N-channel MOS pipe.
In the image acquisition transmission system of the present invention for showing multiple images in same picture, the power protection
Circuit includes DC power supply, relay, third transistor, the 4th triode, the second metal-oxide-semiconductor, the 6th resistance, the 7th resistance, the
Eight slide rheostats, third capacitance, the 4th capacitance, light emitting diode and voltage output end, the movable contact of the relay and institute
State DC power supply connection, a stationary contact of the relay respectively with the collector of the third transistor and the 4th capacitance
One end connects, and the emitter of the third transistor is connect with one end of the coil of the relay, the coil of the relay
Other end ground connection, the base stage of the third transistor connects respectively with one end of the other end of the 4th capacitance and the 6th resistance
Connect, the other end of the 6th resistance ground connection, a fixing end of the 8th slide rheostat respectively with the 4th capacitance
One end, the drain electrode of the second metal-oxide-semiconductor, the collector of the 4th triode connected with one end of third capacitance, the described 8th slides and becomes
It hinders the base stage of another fixing end and sliding end of device respectively with one end of the 7th resistance and the 4th triode to connect, institute
The other end ground connection of the 7th resistance is stated, the emitter of the 4th triode is connect with the power output end, the 2nd MOS
Anode of the grid of pipe respectively with one end of the third capacitance and light emitting diode is connect, and the cathode of the light emitting diode connects
Ground, the source electrode of second metal-oxide-semiconductor are connect with the voltage output end, and the capacitance of the third capacitance is 300pF, and described the
The capacitance of four capacitances is 450pF.
In the image acquisition transmission system of the present invention for showing multiple images in same picture, the power protection
Circuit further includes the 5th diode, and the anode of the 5th diode is connect with the drain electrode of second metal-oxide-semiconductor, and the described 5th 2
The cathode of pole pipe is connect with the collector of the 4th triode, the model e-501 of the 5th diode.
In the image acquisition transmission system of the present invention for showing multiple images in same picture, the power protection
Circuit further includes the 9th resistance, and one end of the 9th resistance is connect with the emitter of the 4th triode, the 9th electricity
The other end of resistance is connect with the voltage output end, and the resistance value of the 9th resistance is 36k Ω.
In the image acquisition transmission system of the present invention for showing multiple images in same picture, the power protection
Circuit further includes the 5th capacitance, and one end of the 5th capacitance is connect with one end of the 7th resistance, the 5th capacitance
The other end is connect with the base stage of the 4th triode, and the capacitance of the 5th capacitance is 500pF.
Implement the image acquisition transmission system that multiple images are shown in same picture of the present invention, have below beneficial to effect
Fruit：Due to being equipped with integrated photographic device, display panel drive device, multi-view display panel, parameter setting apparatus, microprocessor
Device and power protecting circuit, integrated photographic device include power-supplying circuit and multiple cameras, display panel drive device
Including multiple image quality adjustment circuits and a display panel, drive circuit, multi-view display panel can show multiple images simultaneously
Show in same picture, by the photographic device of multiple being made of one of camera, can not only save cost in this way, moreover it is possible to reduce
The complexity of wiring, power-supplying circuit include electrode input end, negative input, cathode output end, cathode output end, first
Diode, first resistor, second resistance, the second zener diode, the first triode, 3rd resistor, the first capacitance, the 4th electricity
Resistance, the second triode, third zener diode and the first metal-oxide-semiconductor, the power-supplying circuit relative to traditional power supply circuit,
The component used is less, can reduce hardware cost in this way, in addition, the first capacitance is used to prevent the first triode and the two or three
Interference between pole pipe, thus easy-to-connect is simple, multiple images can be simultaneously displayed in same picture, circuit structure more
Simply, cost is relatively low, circuit safety and reliability is higher.
Description of the drawings
In order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, to embodiment or will show below
There is attached drawing needed in technology description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
Some embodiments of invention, for those of ordinary skill in the art, without creative efforts, can be with
Other attached drawings are obtained according to these attached drawings.
Fig. 1 is the structure in image acquisition transmission system one embodiment that the present invention shows multiple images in same picture
Schematic diagram；
Fig. 2 is the circuit diagram of power-supplying circuit in the embodiment；
Fig. 3 is the circuit diagram of power protecting circuit in the embodiment.
Specific embodiment
Below in conjunction with the attached drawing in the embodiment of the present invention, the technical solution in the embodiment of the present invention is carried out clear, complete
Site preparation describes, it is clear that described embodiment is only part of the embodiment of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, those of ordinary skill in the art are obtained every other without making creative work
Embodiment shall fall within the protection scope of the present invention.
It, should be in same picture in the image acquisition transmission system embodiment for showing multiple images in same picture in the present invention
Show that the structure diagram of the image acquisition transmission system of multiple images is as shown in Figure 1.In Fig. 1, it should be shown in same picture more
The image acquisition transmission system of a image includes integrated photographic device 1, display panel drive device 2, multi-view display panel
3rd, parameter setting apparatus 4, microprocessor 5 and power protecting circuit 6, wherein, integrated photographic device 1 includes power-supplying circuit
11 and multiple cameras 12, multiple cameras 12 connect with power-supplying circuit 11, display panel drive device 2 include it is multiple
Image quality adjustment circuit 21 and a display panel, drive circuit 22, image quality adjustment circuit 21 are completed using existing chip.
Each image quality adjustment circuit 21 is connected with corresponding camera 12, the original graph for receiving the acquisition of camera 12
Picture simultaneously carries out it adjustment of brightness, contrast, clarity and coloration, and the image after adjustment is input to display panel driving
Circuit 22, display panel, drive circuit 22 should show image to the image progress after adjustment on multi-view display panel 3
Signal processing, and the drive signal obtained after processing is sent to multi-view display panel 3, multi-view display panel 3 will be multiple
Image after adjustment is simultaneously displayed in same picture, and parameter setting apparatus 4 is connect with microprocessor 5, is filled by parameter setting
The setting value adjusted for image quality can be inputted by putting 4, which is set by user.The setting value is imported into microprocessor 5,
Microprocessor 5 generates the control signal for controlling image quality adjustment circuit 21 according to the setting value of input, controls each image quality tune
Whole circuit 21 carries out independent image quality to the original image from corresponding camera 12 and adjusts, power protecting circuit 6 and microprocessor
Device 5 connects, the protection for carrying out power supply.
Fig. 2 is the circuit diagram of power-supplying circuit in the present embodiment, and in Fig. 2, which is included just
Pole input terminal Vin+, negative input Vin-, cathode output end Vo+, cathode output end Vo-, the first diode D1, first resistor
R1, second resistance R2, the second zener diode D2, the first triode Q1,3rd resistor R3, the first capacitance C1, the 4th resistance R4,
Second triode Q2, third zener diode D3 and the first metal-oxide-semiconductor M1, wherein, cathode and the anode of the first diode D1 input
Hold Vin+ connections, the anode of the first diode D1 connect with negative input Vin-, the cathode of the first diode D1 also respectively with
One end of first resistor R1 is connected with the cathode of the second zener diode D2, the base stage of the first triode Q1 respectively with first resistor
The other end of R1 is connected with one end of second resistance R2, and the other end of second resistance R2 is connect with negative input Vin-, and first
The one end of the emitter of triode Q1 respectively with the anode of the second zener diode D2 and 3rd resistor R3 is connect, 3rd resistor R3
The other end connect with negative input Vin-.
The collector of first triode Q1 by the first capacitance C1 respectively with one end of the 4th resistance R4 and the second triode
The emitter of the base stage connection of Q2, the other end of the 4th resistance R4 and the second triode Q2 are connect with negative input Vin-,
The collector of second triode Q2 respectively with the cathode of third zener diode D3, the grid of the first metal-oxide-semiconductor M1, the second voltage stabilizing two
The cathode of pole pipe D2 is connected with cathode output end Vo+, the source electrode of the anode of third zener diode D3 and the first metal-oxide-semiconductor M1 with
Negative input Vin- connections, the drain electrode of the first metal-oxide-semiconductor M1 are connect with cathode output end Vo-.
The power-supplying circuit 11 is relative to traditional power supply circuit, and the component used is less, and circuit structure is more
Simply, hardware cost can be reduced in this way.First capacitance C1 is coupled capacitor, for preventing the first triode Q1 and the two or three pole
Interference between pipe Q2, therefore the safety and reliability of circuit is higher.It is noted that in the present embodiment, the first capacitance
The capacitance of C1 is 500pF, and certainly, in practical applications, the capacitance of the first capacitance C1 can also carry out as the case may be
Corresponding adjustment.
First diode D1 is in parallel with direct-current input power supplying, when direct-current input power supplying is reversed, i.e. electrode input end Vin+
Connect direct-current input power supplying cathode, negative input Vin- connection direct-current input power supplying anodes, at this point, the first diode D1 is led
It is logical, very big short circuit current is generated, promotes the fuse in direct-current input power supplying overcurrent protection or Burnout circuit and is used to remind
Person, the first diode D1 reversely end in normal work, and system effectiveness loss is zero, due to not sealing in circuit, therefore
Pressure drop is not generated, does not also just generate loss, the back-pressure inputted in this way would not damage subsequent Switching Power Supply.
Second zener diode D2 obtains operating current by 3rd resistor R3, still in voltage stabilizing state, and first resistor
The terminal voltage of R1 is obtained by the partial pressure of first resistor R1 and second resistance R2, is extremely sent out insufficient for the base stage of the first triode Q1
Emitter-base bandgap grading is connected, the first triode Q1 cut-offs, then, due to the presence of the 4th resistance R4, play the role of drop-down, the first triode Q1
Collector output low level, at this moment the second triode Q2 be in cut-off state, the voltage of voltage regulation of third zener diode D3 is big
The cut-in voltage V of first metal-oxide-semiconductor M1GS, the first metal-oxide-semiconductor M1 is in saturation conduction state, then the at this moment electricity of direct-current input power supplying
Pressure is all added on cathode output end Vo+ and cathode output end Vo-, subsequent switch power supply rood electricity normal work.According to
Above-mentioned working condition, the first metal-oxide-semiconductor M1 are connected in electrode input end Vin+ to the circuit of cathode output end Vo-, i.e., usually
In described earth loop, the first metal-oxide-semiconductor M1 can be directly driven through third zener diode D3 using direct-current input power supplying, the
Conducting internal resistance (Rds (ON)) after one metal-oxide-semiconductor M1 conductings is extremely low, and insertion loss is low, and quiescent dissipation is extremely low when normal；Due to not having
Using booster circuit, therefore quiescent dissipation further reduces.
When overvoltage occurs in direct-current input power supplying, the second zener diode D2 obtains operating current by 3rd resistor R3,
Still in voltage stabilizing state, and obtained by the partial pressure that the terminal voltage of first resistor R1 is first resistor R1 and second resistance R2, but it is enough
So that the base stage of the first triode Q1 to emitter is connected, and the first triode Q1 conductings, the collector output of the first triode Q1
High level, at this moment the second triode Q2 be in the second triode of magnifying state Q2 in fact in saturation conduction state, third is steady
The voltage of voltage regulation of diode D3 is pressed because of the saturation conduction of the second triode Q2, and the saturation conduction pressure equal to the second triode Q2
Drop, generally less than 0.3V, much smaller than the cut-in voltage V of the first metal-oxide-semiconductor M1GS, the first metal-oxide-semiconductor M1 is in cut-off state, then this
When direct-current input power supplying voltage can not be added on cathode output end Vo+ and cathode output end Vo-, subsequent switching power circuit
It is stopped because of no input voltage.In overvoltage, it is anti-overvoltage effect the first metal-oxide-semiconductor M1 because shutdown, that is, end and
It is less likely to be damaged.
It is noted that in the present embodiment, the first triode Q1 is PNP type triode, and the second triode Q2 is NPN type
Triode, the first metal-oxide-semiconductor M1 are N-channel MOS pipe.Certainly, in practical applications, the first triode Q1 may be NPN type three
Pole pipe, the second triode Q2 may be PNP type triode, and the first metal-oxide-semiconductor M1 may be P-channel metal-oxide-semiconductor, but at this moment circuit
Structure also accordingly to change.
In the present embodiment, which further includes the 4th diode D4, the anode of the 4th diode D4 and
The cathode connection of two zener diode D2, the cathode of the 4th diode D4 are connect with cathode output end Vo-.4th diode D4 is
Current Limiting Diodes carry out current-limiting protection, further to increase for the branch between the first triode Q1 and the second triode Q2
The safety and reliability on forceful electric power road.It is noted that in the present embodiment, the model S-562 of the 4th diode D4, when
So, in practical applications, the 4th diode D4 can select diode of other models with similar functions.
In the present embodiment, which further includes the second capacitance C2, one end and the two or three of the second capacitance C2
The collector connection of pole pipe Q2, the other end of the second capacitance C2 are connect with the grid of the first metal-oxide-semiconductor M1.Second capacitance C2 is coupling
Capacitance, for preventing the interference between the second triode Q2 and the first metal-oxide-semiconductor M1, with further enhance the safety of circuit and
Reliability.It is noted that in the present embodiment, the capacitance of the second capacitance C2 is 460pF, certainly, in practical applications, the
The capacitance of two capacitance C2 can adjust accordingly as the case may be.
In the present embodiment, which further includes the 5th resistance R5, one end and the two or three of the 5th resistance R5
The emitter connection of pole pipe Q2, the other end of the 5th resistance R5 are connect with negative input Vin-.5th resistance R5 is limited galvanic electricity
Resistance, for carrying out current-limiting protection to the emitter current of the second triode Q2, to further enhance current limitation effect.It is worth mentioning
It is that in the present embodiment, the resistance value of the 5th resistance R5 is 33k Ω, certainly, in practical applications, the resistance value of the 5th resistance R5 can be with
It adjusts accordingly as the case may be.
Fig. 3 is the circuit diagram of power protecting circuit in the present embodiment, and in Fig. 3, which includes direct current
Power supply VCC, relay, third transistor Q3, the 4th triode Q4, the second metal-oxide-semiconductor M2, the 6th resistance R6, the 7th resistance R7,
Eight slide rheostat R8, third capacitance C3, the 4th capacitance C4, Light-emitting diode LED and voltage output end OUT, wherein, relay
Movable contact K-1 connect with DC power supply VCC, DC power supply VCC is connect with microprocessor 5, a stationary contact K-2 of relay
One end with the collector of third transistor Q3 and the 4th capacitance C4 is connect respectively, the emitter and relay of third transistor Q3
Coil K one end connection, the other end ground connection of the coil K of relay, the base stage of third transistor Q3 respectively with the 4th capacitance
One end of the other end of C4 and the 6th resistance R6 connect, the other end ground connection of the 6th resistance R6, and the one of the 8th slide rheostat R8
A fixing end is electric with one end of the 4th capacitance C4, the drain electrode of the second metal-oxide-semiconductor M2, the collector of the 4th triode Q4 and third respectively
Hold one end connection of C3, another fixing end and sliding end of the 8th slide rheostat R8 respectively one end with the 7th resistance R7
It is connected with the base stage of the 4th triode Q4, the other end ground connection of the 7th resistance R7, the emitter and power supply of the 4th triode Q4 is defeated
Outlet OUT connections, the anode of the grid of the second metal-oxide-semiconductor M2 respectively with one end of third capacitance C3 and Light-emitting diode LED are connect,
The minus earth of Light-emitting diode LED, the source electrode of the second metal-oxide-semiconductor M2 are connect with voltage output end OUT.
The power protecting circuit 6 is relative to traditional power circuit, and the component used is less, and circuit structure is more simple
It is single, hardware cost can be reduced in this way.Third capacitance C3 is coupled capacitor, for preventing the 4th triode Q4 and the second metal-oxide-semiconductor
Interference between M2；4th capacitance C4 is coupled capacitor, dry between third transistor Q3 and the second metal-oxide-semiconductor M2 for preventing
It disturbs, therefore the safety and reliability of circuit is higher.It is noted that in the present embodiment, the capacitance of third capacitance C3 is
The capacitance of 300pF, the 4th capacitance C4 are 450pF, certainly, in practical applications, the capacitance of third capacitance C3 and the 4th electricity
Holding the capacitance of C4 can adjust accordingly as the case may be.
In the present embodiment, which further includes the 5th diode D5, the anode and second of the 5th diode D5
The drain electrode connection of metal-oxide-semiconductor M2, the cathode of the 5th diode D5 are connect with the collector of the 4th triode Q4.5th diode D5 is
Current Limiting Diodes, for carrying out current-limiting protection to the collector current of the 4th triode Q4, to further enhance the safety of circuit
Property and reliability.It is noted that in the present embodiment, the model e-501 of the 5th diode D5, certainly, in practical application
In, the 5th diode D5 can also select diode of other models with similar functions.
In the present embodiment, which further includes the 9th resistance R9, one end and the four or three pole of the 9th resistance R9
The emitter connection of pipe Q4, the other end of the 9th resistance R9 are connect with voltage output end OUT.9th resistance R9 is current-limiting resistance,
For carrying out current-limiting protection to the emitter current of the 4th triode Q4, further to enhance the safety of circuit and reliable
Property.It is noted that in the present embodiment, the resistance value of the 9th resistance R9 is 36k Ω, certainly, in practical applications, the 9th resistance
The resistance value of R9 can adjust accordingly as the case may be.
In the present embodiment, which further includes the 5th capacitance C5, one end and the 7th resistance of the 5th capacitance C5
One end connection of R7, the other end of the 5th capacitance C5 are connect with the base stage of the 4th triode Q4.5th capacitance C5 is coupled capacitor,
For preventing the interference between the second metal-oxide-semiconductor M2 and the 4th triode Q4, further to enhance the safety of circuit and reliable
Property.It is noted that the capacitance of the 5th capacitance C5 is 500pF, certainly, in practical applications, the capacitance of the 5th capacitance C5
Value can adjust accordingly as the case may be.
In short, in the present embodiment, the photographic device 1 of multiple 12 being made of one of camera can not only be saved in this way
Cost, moreover it is possible to reduce the complexity of wiring, easy-to-connect is simple.It can will be after multiple adjustment using multi-view display panel 3
Image is simultaneously displayed in same picture, and the power-supplying circuit 11 is relative to traditional power supply circuit, the component used
Less, circuit structure is relatively simple, can reduce hardware cost in this way.In addition, coupling electricity is equipped in the power-supplying circuit 11
Hold, therefore the safety and reliability of circuit is higher.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all essences in the present invention
With within principle, any modification, equivalent replacement, improvement and so on should all be included in the protection scope of the present invention god.
Claims (9)
1. a kind of image acquisition transmission system that multiple images are shown in same picture, which is characterized in that imaged including integration
Device, display panel drive device, multi-view display panel, parameter setting apparatus, microprocessor and power protecting circuit, it is described
Integrated photographic device include power-supplying circuit and multiple cameras, multiple cameras with the power-supplying circuit
Connection, the display panel drive device includes multiple image quality adjustment circuits and a display panel, drive circuit, each described
Image quality adjustment circuit with corresponding camera connection, for the original image that receives the camera acquisition and to its into
Row brightness, the adjustment of contrast, clarity and coloration, and the image after adjustment is input to the display panel, drive circuit,
The display panel, drive circuit should show image to the image progress after the adjustment on the multi-view display panel
Signal processing, and the drive signal obtained after processing is sent to the multi-view display panel, the Multi-view display face
Image after multiple adjustment is simultaneously displayed in same picture by plate, and the parameter setting apparatus connects with the microprocessor
It connects, for inputting the setting value for image quality adjustment, the microprocessor is according to each image quality tune of the set value calculation
Whole circuit carries out corresponding image quality adjustment, and the power protecting circuit is connect with the microprocessor, the guarantor for carrying out power supply
Shield；
The power-supplying circuit includes electrode input end, negative input, cathode output end, cathode output end, the one or two pole
Pipe, first resistor, second resistance, the second zener diode, the first triode, 3rd resistor, the first capacitance, the 4th resistance,
Two triodes, third zener diode and the first metal-oxide-semiconductor, the cathode of first diode are connect with the electrode input end,
The anode of first diode is connect with the negative input, and the cathode of first diode is also respectively with described first
One end of resistance is connected with the cathode of the second zener diode, the base stage of first triode respectively with the first resistor
The other end is connected with one end of second resistance, and the other end of the second resistance is connect with the negative input, and described first
The one end of the emitter of triode respectively with the anode of second zener diode and 3rd resistor is connect, the 3rd resistor
The other end connect with the negative input；
The collector of first triode passes through first capacitance one end and the two or three pole with the 4th resistance respectively
The base stage connection of pipe, the other end of the 4th resistance and the emitter of the second triode are connect with the negative input,
The collector of second triode respectively with the cathode of the third zener diode, the grid of the first metal-oxide-semiconductor, the second voltage stabilizing
The cathode of diode is connected with cathode output end, and the anode of the third zener diode and the source electrode of the first metal-oxide-semiconductor are and institute
Negative input connection is stated, the drain electrode of first metal-oxide-semiconductor is connect with the cathode output end, the capacitance of first capacitance
For 500pF.
2. the image acquisition transmission system according to claim 1 that multiple images are shown in same picture, which is characterized in that
The power-supplying circuit further includes the 4th diode, the anode of the 4th diode and the moon of second zener diode
Pole connects, and the cathode of the 4th diode is connect with the cathode output end, the model S-562 of the 4th diode.
3. the image acquisition transmission system according to claim 2 that multiple images are shown in same picture, which is characterized in that
The power-supplying circuit further includes the second capacitance, and one end of second capacitance and the collector of second triode connect
It connects, the other end of second capacitance is connect with the grid of first metal-oxide-semiconductor, and the capacitance of second capacitance is 460pF.
4. the image acquisition transmission system according to claim 3 that multiple images are shown in same picture, which is characterized in that
The power-supplying circuit further includes the 5th resistance, and one end of the 5th resistance connects with the emitter of second triode
It connects, the other end of the 5th resistance is connect with the negative input, and the resistance value of the 5th resistance is 33k Ω.
5. the image acquisition transmission system according to any one of claims 1 to 4, that multiple images are shown in same picture,
It is characterized in that, first triode be PNP type triode, second triode be NPN type triode, described first
Metal-oxide-semiconductor is N-channel MOS pipe.
6. the image acquisition transmission system according to any one of claims 1 to 4, that multiple images are shown in same picture,
It is characterized in that, the power protecting circuit includes DC power supply, relay, third transistor, the 4th triode, the 2nd MOS
Pipe, the 6th resistance, the 7th resistance, the 8th slide rheostat, third capacitance, the 4th capacitance, light emitting diode and voltage output end,
The movable contact of the relay is connect with the DC power supply, a stationary contact of the relay respectively with the three or three pole
One end of the collector of pipe and the 4th capacitance connects, one end of the emitter of the third transistor and the coil of the relay
Connection, the other end ground connection of the coil of the relay, the base stage of the third transistor are another with the 4th capacitance respectively
One end is connected with one end of the 6th resistance, the other end ground connection of the 6th resistance, and one of the 8th slide rheostat is solid
Fixed end respectively with one end of the 4th capacitance, the drain electrode of the second metal-oxide-semiconductor, the collector of the 4th triode and third capacitance one
End connection, another fixing end and sliding end of the 8th slide rheostat respectively with one end of the 7th resistance and the
The base stage connection of four triodes, the other end ground connection of the 7th resistance, emitter and the power supply of the 4th triode
Output terminal connects, and the anode of the grid of second metal-oxide-semiconductor respectively with one end of the third capacitance and light emitting diode is connect,
The minus earth of the light emitting diode, the source electrode of second metal-oxide-semiconductor are connect with the voltage output end, the third capacitance
Capacitance for 300pF, the capacitance of the 4th capacitance is 450pF.
7. the image acquisition transmission system that multiple images are shown in same picture according to right wants 6, which is characterized in that institute
It states power protecting circuit and further includes the 5th diode, the anode of the 5th diode is connect with the drain electrode of second metal-oxide-semiconductor,
The cathode of 5th diode is connect with the collector of the 4th triode, the model e-501 of the 5th diode.
8. the image acquisition transmission system that multiple images are shown in same picture according to right wants 7, which is characterized in that institute
It states power protecting circuit and further includes the 9th resistance, one end of the 9th resistance is connect with the emitter of the 4th triode,
The other end of 9th resistance is connect with the voltage output end, and the resistance value of the 9th resistance is 36k Ω.
9. the image acquisition transmission system that multiple images are shown in same picture according to right wants 8, which is characterized in that institute
It states power protecting circuit and further includes the 5th capacitance, one end of the 5th capacitance is connect with one end of the 7th resistance, described
The other end of 5th capacitance is connect with the base stage of the 4th triode, and the capacitance of the 5th capacitance is 500pF.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201810005494.0A CN108259826B (en) | 2018-01-03 | 2018-01-03 | Image acquisition and transmission system for displaying multiple images on same picture |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201810005494.0A CN108259826B (en) | 2018-01-03 | 2018-01-03 | Image acquisition and transmission system for displaying multiple images on same picture |
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| CN108259826A true CN108259826A (en) | 2018-07-06 |
| CN108259826B CN108259826B (en) | 2020-05-22 |
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| CN108259826B (en) | 2020-05-22 |
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