CN206004760U - Synchronous trigger circuit in three-dimensional machine vision system - Google Patents
Synchronous trigger circuit in three-dimensional machine vision system Download PDFInfo
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- CN206004760U CN206004760U CN201620843209.9U CN201620843209U CN206004760U CN 206004760 U CN206004760 U CN 206004760U CN 201620843209 U CN201620843209 U CN 201620843209U CN 206004760 U CN206004760 U CN 206004760U
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- circuit
- triode
- resistance
- electric capacity
- trigger
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Abstract
The utility model discloses the synchronous trigger circuit in a kind of three-dimensional machine vision system, including controller, left camera, right camera, projecting apparatus and synchronous trigger circuit；The synchronous trigger circuit includes first resistor to the 4th resistance, the first electric capacity, the second electric capacity, triode and power supply；The trigger output end of one termination controller of the first electric capacity, the base stage of another termination triode；One end of first resistor connects the base stage of triode by the first electric capacity, and the other end is grounded；One termination power of second resistance, the base stage of another termination triode；One termination power of 3rd resistor, the colelctor electrode of another termination triode；The grounded emitter of triode；The colelctor electrode of one termination triode of the 4th resistance, the other end connect the trigger input of left camera and right camera respectively；One end of second electric capacity connects the colelctor electrode of triode by the 4th resistance, and the other end is grounded.The utility model can realize the synchronous averaging of projecting apparatus, left camera and right camera.
Description
Technical field
The utility model is related to three-dimensional machine vision technical field, in more particularly to a kind of three-dimensional machine vision system
Synchronous trigger circuit.
Background technology
3D vision is an important topic of computer vision field, and its purpose is to reconstruct the three-dimensional geometry of scene
Information.The research of 3D vision has important using value, and its application includes the autonomous navigation system of mobile robot, aviation
And remote sensing survey, industrial automation system etc..Synchronous triggering projecting apparatus and camera, existing skill is needed in three dimensional vision system
Generally by the way of software triggering, projecting apparatus and camera is triggered come synchronous in art, but the mode speed of software triggering is relatively
Slowly.
Utility model content
The purpose of this utility model is to overcome the deficiencies in the prior art, provides same in a kind of three-dimensional machine vision system
Step triggers circuit, can realize the synchronous averaging of projecting apparatus, left camera and right camera.
The purpose of this utility model is achieved through the following technical solutions：Synchronization in three-dimensional machine vision system is touched
Power Generation Road, including controller, left camera, right camera, projecting apparatus and synchronous trigger circuit, the data signal input of controller divides
Be not connected with the data signal output of left camera and right camera, the trigger output end of controller respectively with projecting apparatus and with
The trigger input connection of step triggers circuit, the trigger output end of the synchronous trigger circuit respectively with left camera and
The trigger input connection of right camera.
The synchronous trigger circuit include first resistor, second resistance, 3rd resistor, the 4th resistance, the first electric capacity, second
Electric capacity, triode and power supply；The trigger output end of one termination controller of the first electric capacity, another termination three of the first electric capacity
The base stage of pole pipe, first electric capacity of termination of first resistor and the common point of the trigger output end of controller, first resistor
The other end ground connection；One termination power of second resistance, the base stage of another termination triode of second resistance；The one of 3rd resistor
Termination power, the colelctor electrode of another termination triode of 3rd resistor；The grounded emitter of triode；One termination of the 4th resistance
The colelctor electrode of triode, the other end of the 4th resistance connect the trigger input of left camera and right camera respectively；Second electric capacity
One end connect the colelctor electrode of triode, the other end ground connection of the second electric capacity by the 4th resistance.
The controller is computer.
The projecting apparatus includes projector processor, projector interface circuit, ultrasonic wave transmitting circuit, focusing motor, number
Word image driver circuitry, Digital Micromirror System and light source, the signal input part of the projector interface circuit respectively with controller
Data signal output and controller the connection of trigger output end, the signal output part of projector interface circuit and projection
The signal input part connection of instrument processor, the signal output part of projector processor are connected with the input of digital picture drive circuit
Connect, the signal output part of digital picture drive circuit is connected with the signal input part of light source and Digital Micromirror System respectively, described
The signal port of ultrasonic transceiver circuit is connected with the signal port of projector processor, the control port of the focusing motor with
The control port connection of projector processor.
The projector interface circuit includes USB interface and VGA signal decoding circuit.
The left camera and right camera are equipped with USB interface and VGA signal decoding circuit.
The beneficial effects of the utility model are：The utility model is realized projecting in three dimensional vision system by hardware circuit
The synchronous triggering of instrument and camera starts, and triggering speed is fast.
Description of the drawings
Fig. 1 is schematic block diagram of the present utility model；
Fig. 2 is the circuit diagram of synchronous trigger circuit in the utility model.
Specific embodiment
The technical solution of the utility model is described in further detail below in conjunction with the accompanying drawings, but protection domain of the present utility model
It is not limited to described below.
As depicted in figs. 1 and 2, the synchronous trigger circuit in three-dimensional machine vision system, including controller, left camera, the right side
Camera, projecting apparatus and synchronous trigger circuit, the data signal input of controller are believed with the data of left camera and right camera respectively
The connection of number output end, the trigger output end of controller trigger input respectively with projecting apparatus and synchronous trigger circuit
Connection, the trigger output end of the synchronous trigger circuit are connected with the trigger input of left camera and right camera respectively
Connect.
The synchronous trigger circuit include first resistor R1, second resistance R2,3rd resistor R3, the 4th resistance R4, first
Electric capacity C1, the second electric capacity C2, triode Q1 and power supply；The trigger output end of the one termination controller of the first electric capacity C1, the
The base stage of another termination triode Q1 of one electric capacity C1, a first electric capacity C1 of termination of first resistor R1 are believed with the triggering of controller
The common point of number output end, the other end ground connection of first resistor R1；One termination power of second resistance R2, second resistance R2 another
The base stage of one termination triode Q1；One termination power of 3rd resistor R3, the collection of another termination triode Q1 of 3rd resistor R3
Electrode；The grounded emitter of triode Q1；The colelctor electrode of the one termination triode Q1 of the 4th resistance R4, the 4th resistance R4's is another
The trigger input of termination binocular camera；One end of second electric capacity C2 connects the current collection of triode Q1 by the 4th resistance R4
Pole, the other end ground connection of the second electric capacity C2.
The controller is computer.
The projecting apparatus includes projector processor, projector interface circuit, ultrasonic wave transmitting circuit, focusing motor, number
Word image driver circuitry, Digital Micromirror System and light source, the signal input part of the projector interface circuit respectively with controller
Data signal output and controller the connection of trigger output end, the signal output part of projector interface circuit and projection
The signal input part connection of instrument processor, the signal output part of projector processor are connected with the input of digital picture drive circuit
Connect, the signal output part of digital picture drive circuit is connected with the signal input part of light source and Digital Micromirror System respectively, described
The signal port of ultrasonic transceiver circuit is connected with the signal port of projector processor, the control port of the focusing motor with
The control port connection of projector processor.
The projecting apparatus also includes projecting apparatus memory, the number of the data terminal of the projecting apparatus and the projector processor
According to end connection.
The projector interface circuit includes USB interface and VGA signal decoding circuit.
The left camera and right camera are equipped with USB interface and VGA signal decoding circuit.
The left camera is identical with right camera structure.
The left camera includes camera processor, image acquisition units, camera memories, clock unit, man-machine interaction list
Unit, power subsystem, the camera processor respectively with image acquisition units, camera memories, clock unit and man-machine interaction list
Unit's connection, the power subsystem are used for powering for all units.
Described image collecting unit includes infrared sensor, image capture controller and at least two CMOS camera, institute
The output end of the input and the camera processor of stating CMOS camera is connected by I2C interface, the CMOS camera
Control end is connected with the camera processor, the input of the output end of the CMOS camera and described image acquisition controller
Connected by USB interface, the near infrared sensor is connected with the camera processor.
The above is only preferred embodiment of the present utility model, it should be understood that the utility model is not limited to herein
Disclosed form, is not to be taken as the exclusion to other embodiment, and can be used for various other combinations, modification and environment, and
Can be modified by the technology or knowledge of above-mentioned teaching or association area in contemplated scope described herein.And this area
Change and change without departing from spirit and scope of the present utility model that personnel are carried out, then all should be in right appended by the utility model
In the protection domain of requirement.
Claims (5)
1. the synchronous trigger circuit in three-dimensional machine vision system, it is characterised in that：Including controller, left camera, right camera, throwing
Shadow instrument and synchronous trigger circuit, the data signal input of controller respectively with left camera and the data signal output of right camera
Connection, the trigger output end of controller are connected with the trigger input of projecting apparatus and synchronous trigger circuit respectively, institute
The trigger output end for stating synchronous trigger circuit is connected with the trigger input of left camera and right camera respectively；
The synchronous trigger circuit includes first resistor, second resistance, 3rd resistor, the 4th resistance, the first electric capacity, the second electricity
Appearance, triode and power supply；The trigger output end of one termination controller of the first electric capacity, three pole of another termination of the first electric capacity
The base stage of pipe, first electric capacity of termination of first resistor and the common point of the trigger output end of controller, first resistor
The other end is grounded；One termination power of second resistance, the base stage of another termination triode of second resistance；One end of 3rd resistor
Connect power supply, the colelctor electrode of another termination triode of 3rd resistor；The grounded emitter of triode；One termination three of the 4th resistance
The colelctor electrode of pole pipe, the other end of the 4th resistance connect the trigger input of left camera and right camera respectively；Second electric capacity
One end connects the colelctor electrode of triode, the other end ground connection of the second electric capacity by the 4th resistance.
2. the synchronous trigger circuit in three-dimensional machine vision system according to claim 1, it is characterised in that：The control
Device is computer.
3. the synchronous trigger circuit in three-dimensional machine vision system according to claim 1, it is characterised in that：The projection
Instrument includes projector processor, projector interface circuit, ultrasonic wave transmitting circuit, focusing motor, digital picture drive circuit, number
Word micromirror systems and light source, the signal input part of the projector interface circuit respectively with the data signal output of controller and
The trigger output end connection of controller, the signal output part of projector interface circuit and the signal input of projector processor
End connection, the signal output part of projector processor are connected with the input of digital picture drive circuit, and digital picture drives electricity
The signal output part on road is connected with the signal input part of light source and Digital Micromirror System respectively, the letter of the ultrasonic transceiver circuit
Number port is connected with the signal port of projector processor, the control port of the focusing motor and the control of projector processor
Port connects.
4. the synchronous trigger circuit in three-dimensional machine vision system according to claim 3, it is characterised in that：The projection
Instrument interface circuit includes USB interface and VGA signal decoding circuit.
5. the synchronous trigger circuit in three-dimensional machine vision system according to claim 1, it is characterised in that：The left phase
Machine and right camera are equipped with USB interface and VGA signal decoding circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620843209.9U CN206004760U (en) | 2016-08-05 | 2016-08-05 | Synchronous trigger circuit in three-dimensional machine vision system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620843209.9U CN206004760U (en) | 2016-08-05 | 2016-08-05 | Synchronous trigger circuit in three-dimensional machine vision system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206004760U true CN206004760U (en) | 2017-03-08 |
Family
ID=58199388
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620843209.9U Expired - Fee Related CN206004760U (en) | 2016-08-05 | 2016-08-05 | Synchronous trigger circuit in three-dimensional machine vision system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206004760U (en) |
-
2016
- 2016-08-05 CN CN201620843209.9U patent/CN206004760U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170308 Termination date: 20200805 |
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| CF01 | Termination of patent right due to non-payment of annual fee |