CN1194652C - Laser imager - Google Patents

Abstract

The present invention relates to a laser imaging device which belongs to the technical field of laser imaging. The present invention is composed of an outer casing, a vehicle frame, a film feeding case device, a film sucking device, a film conveying device, a scanning device, a light path device, a film receiving case device and a control circuit, wherein the film feeding case device is horizontally arranged above the vehicle frame; a seat of a film feeding case is fixed to a vehicle seat; the film feeding case is placed on the seat of the film feeding case; the film conveying device is arranged at the front of the film feeding case; a scanner and a scanner support in the scanning device are arranged at the front of the film conveying device; the scanner support is fixed to the vehicle seat, and the scanner is fixed to the scanner support through two scanning optical axes; the film receiving case device under the film feeding case device is inclined to form a certain angle with the horizontal plane; the film receiving case device is fixedly connected to a tilting frame through a sliding track; the control circuit is arranged on a baffle plate of the vehicle frame at the left side of the film receiving case device. The present invention has the advantages of high stability quality for scanning and imaging, short film conveying path, simple mechanism, convenient operation, etc.

Description

Laser image forming apparatus

Technical field

The present invention relates to laser imaging facility technology field, relate in particular to a kind of laser image forming apparatus of diagnostic image imaging as a result output of medical diagnosis equipment.

Background technology

At present device for image that uses at China's various big hospital such as CT machine, magnetic resonance machine, large-scale X machine are playing sizable effect aspect the disease of patient diagnosis.But behind the end of scan, the output of view data but exists very big problem.Can't the printout result with plain paper, this makes diagnostic result to keep; And can't realize the purpose of many diagnostic devices with the output of diagnostic result networking with camera shooting.External laser image forming apparatus exists double reflection, film transport process length, receiving can device and the film cassette unit mechanism complexity of light path system complexity, scanning system, problems such as operation inconvenience.

Summary of the invention

The problems referred to above that exist in view of existing laser camera the invention provides a kind of output of network image data scanning and laser image forming apparatus that scanning result can be kept for a long time realized.

The present invention includes: have the embedded scanning system of laser rotary scanning and adopt the scanning cylinder of 180 ° of semicircles; Utilize the film suction of Pneumatic suction cup mechanism to send device; Two pairs of pinch rolls are realized short-range film transfer device used; Utilize the film cassette unit of friction pulley door-opening mechanism; Utilize the receiving can device of motion of nipping of drive roll and driven voller with the film importing.

Below the both artistic and practical ABS enhanced plastic of outer housing employing of laser image forming apparatus, and vehicle frame employing panel beating formation, car body castor is installed, belongs to the part of vehicle frame, make things convenient for moving of laser image forming apparatus.Upper horizontal at vehicle frame is equipped with film cassette unit, and film cassette unit is by sending film magazine and sending the sheet cassette holder to form.Send the sheet cassette holder to be fixed on the vehicle frame, send film magazine to be placed on and send on the sheet cassette holder, send the film magazine can be directly from sending the sheet cassette holder to pull out or push.Send on the sheet cassette holder block is installed, in the time will sending film magazine to push to send in the sheet cassette holder, send film magazine to maintain static between the block before and after being stuck in, only need hold handle when pulling out and to send film magazine to lift the back to pull out from sending in the sheet cassette holder.Door-opening mechanism is installed sending on the sheet cassette holder, door-opening mechanism vertically send film magazine above.The top of sending film magazine is that device is sent in the film suction, film inhale the support send device send film magazine above and be fixed on the vehicle frame, in the left side of support is to send the door-opening mechanism of sheet cassette holder to leave space, the horizontal slip support that motor is installed is fixed on the top of support by slide rail, vertically sliding support is fixed on the horizontal slip support by slide rail, on the horizontal slip support, sucker is installed, sucker vertically send the film magazine lid above.Film transfer device used, film transfer device used position is installed in the place ahead of sending film magazine is higher than and send film magazine, in film transfer device used, film is inhaled the film that send device to send here and import near in the left pinch roll of scanning means near the right pinch roll that send film magazine.Scanning device and scanner stand in the scanning means are installed in film transfer device used the place ahead, and scanner stand is fixed on the vehicle frame, and scanning device is fixed on the scanner stand by two scanning optical axises.Receiving can device and horizontal plane tilt alpha angle below film cassette unit, 30 °～60 ° at α angle, the receiving can device is made up of the receiving can and the cassette holder that takes up, the receiving can device is fixedly connected on the tilting rack by slide rail, when taking receiving can, hold and after handle outwards pulls out the receiving can device receiving can is taken out from the cassette holder that takes up, push the receiving can device after when putting into receiving can being put into the cassette holder that takes up.On the baffle plate of the left side of receiving can device, control circuit is installed at vehicle frame.

The energising back is filtered out together with involving other high order through after the filtering of electromagnetic interface filter by the voltage signal that the external power grid transmission comes together with ripple, electromagnetic interface filter is transferred to PC Switching Power Supply and relay with stable power like this, and the PC Switching Power Supply is sent control signal by the control pair relay.After the PC Switching Power Supply gets electric connection, start the control of Motorola system, printer Server and DICOM controller.The PC Switching Power Supply is transferred to control signal on the relay by control line simultaneously, and the voltage with AC220V behind the controlled signal of relay is added to I/O power supply, power supply for step-by-step motor and linear power supply.The DC voltage that the voltage of alternating current 220V obtains 12V after by the I/O power supply is added on the I/O drive circuit start sensor and direct current generator work.The DC voltage that the voltage of alternating current 220V obtains 24V after by the stepping power supply is added on the stepper motor driver, starts motor work.The voltage of alternating current 220V is added on the laser drive circuit after by linear power supply, starts laser works.

Send in the film cassette unit door-opening mechanism of sheet cassette holder get electric after, friction pulley on the door-opening mechanism moves on to the top of the sliding door that send the sheet lid, the captivation of electric magnet attracts friction pulley to be pressed onto on the sliding door, motor movement drives the rotation of friction pulley, and the frictional force that produces between friction pulley and the sliding door that send film magazine to cover makes to pull to be opened.Simultaneously, film is inhaled and is passed through gear, tooth bar, the vertical travelling carriage in the vertical direction motion of drive when the vertical control motor that send device gets the rotation of electric back, detector detects whether film is arranged when moving down into the top of film, if there is not film to provide no sheet signal and reposition; If film is arranged then sucker touches film downwards, vacuum pump action simultaneously, sucker holds film.Vertically controlling motor counter-rotating then rises vertical travelling carriage and film and film transfer device used pinch roll is entered the mouth be in same level height together with the film that holds.Rotate behind the level control electrical power by gear, the motion of rack drives horizontal slip frame along continuous straight runs, film is sent in the pinch roll inlet seam.Simultaneously, reversal valve commutates then that sucker puts down film, and then, level control motor rotates retracts original position with the horizontal slip frame.The PC Switching Power Supply is issued relay with control signal and is made the motor counter-rotating of door-opening mechanism of film cassette unit, and sliding door is shut; Film is inhaled and is sent then stop motion in position of device.Film transfer device used motor gets the motion of electric back, is connected sprocket wheel, chain movement therewith on the motor shaft, drives film transfer device used pinch roll and does the motion of nipping.When film that sucker is sent here is done in the pinch roll that moves of nipping through sending sheet baffle plate and space between the shunting dodge gate to enter, pinch roll imports to film in the scanning cylinder of scanning means, film is along with the shape motion of scanning cylinder, when the front end of film runs into the thrust block that is connected with spring, film will be with the thrust block to move in elastic range, simultaneously position plectrum device can stir film make position that film adjusts to regulation up to the end of film from pinch come out in spinning in and snap into pinch spin in end till.Sensor on the scanning means is sent control signal behind the film and is fed back to by the PC Switching Power Supply and film transfer device usedly behind the relay stop action, and the operation of these mechanisms is to drive signal by the I/O that the Motorola print control unit sends to finish.

The view data of diagnosis is transferred to the DICOM controller by network, the image data transmission that will meet communications protocol after the DICOM controller will be handled is further handled data to printer Sever, and the transfer of data that prints is to 8K FIFO and Motorola print control unit.The work that the control signal of Motorola print control unit output and status information will be controlled 8K FIFO, D/A conversion, I/O and stepper motor driver.View data is that analogue signal is transported in the laser instrument by D/A conversion back by digital signal transition, and the stepper motor driver of controlled information is with the motion of drive stepping motor.The motion of motor makes the scanning motion of scanning means, and along with the running of high-speed rotary motor, the picture signal of laser instrument emission will scan on the film with the form of spiral curve.After scanning imagery finished, control system started film transfer device used motion, and the shunting dodge gate will send the space of sheet passage to block when the film of pinch roll after with imaging stung out, and film enters the passage that takes up through shunting dodge gate and space between time sheet baffle plate.This moment simultaneously, the driving device on the cassette holder that takes up of receiving can device get electric after, the motor movement on the driving device drives the motion of sprocket wheel, drives the motion of pin simultaneously.Cap transmission and pin on the receiving can link together, cap transmission movement therewith when pin moves.The motion of cap transmission drives the drive roll motion, driven voller and its motion of nipping film is imported the whole process of finishing laser imaging in the receiving can because the effect of frictional force makes.

Film cassette unit of the present invention is made of lid, box body and cassette holder.Lid and box body are joined together to form an airtight protection and store the film magazine that send of film, handle are installed sending on the film magazine, conveniently send taking of film magazine.Send film magazine to be placed on and form film cassette unit on the cassette holder.The door-opening mechanism of cassette holder adopts friction pulley to utilize the frictional force that produces between the sliding door of friction pulley and lid that sliding door is opened.

Lid: form by sliding door and connected upper cover plate and lid frame.Four jiaos at its door leaf are equipped with vertical roll sleeve, vertical roller bearing and horizontal roll sleeve, horizontal roller bearing, make sliding door mechanism movable flexible.Horizontal roll sleeve of being installed and vertical roll sleeve can adopt bearing to replace.The top of door leaf is equipped with and pushes away handle, pushes away to put into film after handle is opened door leaf when putting film, and is directly simple, easy to operate.The loaded down with trivial details step that does not exist mechanical mechanism will send the sheet lid to open to put film.Reinforcement is installed below door leaf, and firm door leaf prevents its distortion.

Box body: the box body frame adopts section bar, and is simple and convenient.The bogie wheel and the supporting shaft that are installed to left plate prevent that the power that friction pulley acts on the door leaf from making door leaf be out of shape.And the process of opening the door or closing the door is finished in the motion of auxiliary friction pulley.Right baffle-plate and right baffle plate are installed in the left and right sides of top board, top board is played the localized effect in the left and right sides.And dog screw is installed on right baffle-plate and right baffle plate, dog screw is controlled moving up and down of top board effectively, and protection is installed in the stage clip of top board below.When putting into film, top board is depressed, and stage clip compresses, and dog screw protects stage clip effectively it is moved in elastic range.Left scraping plate and right scraping plate are installed on front apron, and left and right sides scraping plate mainly is to be used for locating the transmission that film helps film.At front side board the part of uncapping is installed, tongue is connected with extension spring in door tongue backplate Xiamen, and the motion of extension spring makes screw snap into or the opening position that leaves on the door leaf is finished the process of closing the door or opening the door.

It is accurate, fixing that the intravital feeding mechanism of box remains the position of film when sending.Friction pulley on the cassette holder is pressed on the door leaf of sliding door, and the effect of the frictional force between friction pulley and the door leaf makes door leaf open or close, and finishes the process of sending film magazine to open the door automatically to close the door automatically again after film is sucked out.

Cassette holder: constitute by door-opening mechanism and cassette holder plate.The cassette holder plate mainly is to be used for installing each parts of door-opening mechanism and to deposit and send film magazine.The electric magnet installing plate is installed below the cassette holder plate, electric magnet is fixed on the electric magnet installing plate, cassette holder plate top is equipped with support, the spring that is connected with fork is installed in the left and right sides of support, relative position during left side spring gauge tap door between friction pulley and the sliding door guarantees the flexible of process that open the door and close the door.When the captivation of electric magnet attracted friction pulley to be pressed onto sliding door to go up, the elastic force of right side spring made friction pulley be inhaled following time and is unlikely and is pressed onto on the sliding door.Fork is fixed on the support, friction wheel support is installed on the fork, friction pulley is installed in the rotating shaft of motor, and motor is installed on the friction wheel support.The motion of motor drives the rotation of friction pulley.The frictional force that produces between friction pulley and the sliding door makes sliding door open or close.

The suction of film of the present invention send device to be made up of support, vertical travelling carriage, horizontal slip frame, slide rail, vacuum pump, reversal valve, sucker, motor, travel switch and detector.

Vertically travelling carriage is fixedly attached on the horizontal slip frame by slide rail, and the horizontal slip frame is fixed on the support by slide rail.Vertical control motor, level control motor and travel switch are installed on the horizontal slip frame, vertically control the motion of the vertical travelling carriage in the vertical direction of Electric Machine Control, level control Electric Machine Control horizontal slip frame moves in the horizontal direction.Vertically travelling carriage and the horizontal slip frame distance that moves on vertical and horizontal direction is controlled by travel switch.Vertically on the travelling carriage sucker, vacuum pump, reversal valve and detector are installed.By gear, the vertical travelling carriage in the vertical direction motion of rack drives, detector detects whether film is arranged when moving down into the top of film, if there is not film to provide no sheet signal and reposition when vertically rotating behind the control electrical power; If film is arranged then sucker touches film downwards, vacuum pump action simultaneously, sucker holds film.Vertically controlling the motor counter-rotating then makes film and pinch roll inlet be in same level height together with the film rise that holds vertical travelling carriage.Rotate behind the level control electrical power by gear, the motion of rack drives horizontal slip frame along continuous straight runs, film is sent in the pinch roll inlet seam.Simultaneously, reversal valve commutates then that sucker puts down film, and then, level control motor rotates retracts original position with the horizontal slip frame.

Of the present invention film transfer device used by support, the two pairs of pinch rolls, send sheet baffle plate, shunting dodge gate, return the sheet baffle plate and form.Two pairs of pinch rolls are respectively fixed on the relevant position of support, at the left end of support motor are installed, and in the rotating shaft of motor sprocket wheel are installed.The lower roll of every pair of pinch roll is fixed on the support, at the left end of lower roll sprocket wheel is installed, and chain links together two lower roll and is connected with sprocket wheel on the motor.

Be equipped with on the support and send sheet baffle plate, shunting dodge gate to reach back the sheet baffle plate.During motor movement, the sprocket wheel on the motor shaft, chain movement therewith drive the lower roll motion.The two ends of roller are separately installed with pulley up, and spring closely contacts upper rolls with lower roll by pulley and is fixed on the support.The elasticity of spring keeps pinch roll up-down rollers when not having film to pass through closely to contact, and when film by the time have under the effect of upper rolls at spring the activity range of accommodation make film smoothly by and can not blocked by pinch roll.

When film from send be sucked out in the film magazine after, do in the pinch roll that moves of nipping through sending the sheet baffle plate to enter with the space of shunting between the dodge gate, in film bites into scanning means, finish the transport process of film being sent into scanning means.Behind the film imaging, the shunting dodge gate will send the space of sheet passage to block when pinch roll is stung out film, and film enters the passage that takes up through the space between shunting dodge gate and time sheet baffle plate, finishes the transport process that film is sent.

Scanning means of the present invention is made up of scanning device, scanner stand and control circuit.

Scanning device is fixedly mounted on the scanner stand by two scanning optical axises, on the PCB fixed mount that the imaging mechanism push-up storage FIFO of control circuit and D/A converter are installed in scanning device; DICOM controller and Motorola print control unit are installed on the installing plate of lower-left cavity of vehicle frame.Its objective is the film that to send here, move to be sent in the scanning cylinder by nipping of pinch roll and also exactly film is located.The embedded control system of control circuit adopts the Motorola print control unit, Motorola print control unit control I/O, driver element, imaging mechanism and D/A converter.Data in the Control Computer all are imaged onto on the film by laser instrument, and data can not lost and pile up.

The mechanical part of scanning means of the present invention is made up of scanning device and scanner stand.

Scanning device: two parallel everywhere scanning optical axises in same horizontal plane are connected with the scanning bracket by axle sleeve.The smooth contact between scanning optical axis and the axle sleeve makes scanning bracket freedom of movement on the scanning optical axis.Two scanning optical axises are fixed on fixedly left plate and scanning on the right plate of scanning.Leading screw passes screw and bracket and is connected with motor by shaft coupling and is fixed to scanning fixedly on the left plate, leading screw equate with two distances that scan between the optical axises everywhere and the axle center in same horizontal plane.High-speed electric expreess locomotive and laser generator are installed on the bracket, left at bracket is equipped with the photocell fixed mount, the top of bracket is equipped with the PCB fixed mount, and the two ends, the left and right sides of bracket are equipped with dark slide, prevents to produce multiple reflection in the laser scanning process that laser instrument sends and causes the fuzzy of imaging.When driving the laser instrument bracket by shaft coupling, leading screw, the motor rotation on two scanning optical axises, moves.Simultaneously, high-speed electric expreess locomotive axle core is equipped with reflecting mirror in the hole, and motor rotation is got to the scanogram line that forms spiral on the light reaching the film face with the laser that the laser generator of motor shaft end sends through reflection.

Scanner stand: the scanning cylinder is connected with the semicircle flange, forms 180 ° semicircle, and the semicircle flange is fixed on again on the support plate, and the angle bar that is connected with support plate is fixed on the base plate by the buffering elastic rubber fitting.Film is in nipping of pinch roll is moved into the scanning cylinder, film is along with the shape motion of scanning cylinder, when the front end of film runs into the thrust block that is connected with spring, film will with the thrust block in elastic range, move up to the end of film from pinch come out in spinning in and snap into pinch spin in end till.In the process of film movements, the position plectrum can be stirred film makes film adjust to the position of regulation.

The electrical design flow process of control circuit of the present invention: diagnostic device is transferred to the view data of diagnosis in the network communication protocol interface DICOM controller by grid line, and customer controller starts the work of DICOM controller.The view data that will meet communications protocol after the DICOM controller will be handled is transferred to print in the Sever by grid line further to be handled data, is transferred in the pushup storage (8K FIFO) and the Motorola print control unit from printing the next data of Sever output by the PC104 data/address bus.The control signal of Motorola print control unit output and status information will be controlled the work of pushup storage, D/A conversion, I/O drive circuit and stepper motor driver by control line.View data is that analogue signal is transported in the laser instrument by D/A conversion back by digital signal transition.The stepper motor driver of controlled information will be by the motion of stepping cable drive stepping motor.The scanning motion of the motion driven sweep device of motor is along with the emission of laser instrument scans picture signal on the film.

The image data transmission control circuit is by the PC104 data/address bus, the Motorola print control unit, programmable logic array, pushup storage, inverter buffer/line drive, bus is accepted transmitter, I/O data-interface and Laser data-interface are formed, 8 bit data output pin SD0-SD7 of PC104 data/address bus, 10 bit address output pin AS0-AS9, IOR and IOW control command output pin respectively with the data input pin SD0-SD7 of programmable logic array, address input pin AS0-AS9, IOW, the IOR input pin is connected, and 8 bit data output pins by programmable logic array link to each other with the data input pin of pushup storage; 8 bit data output pins of Motorola print control unit also link to each other with the data input pin of pushup storage simultaneously, and order output pin nRET, nFIFO Rst, nEF, nFIFO Rd, nFIFOWr are connected with the order input pin of pushup storage; And nFIFO Rd, nFIFO Wr order output pin also links to each other with nFIFO Rd, the nFIFO Wr of FPGA control unit; The data output pin Q0-Q7 of pushup storage connects the input pin with 8 bus receiver transmitters, and the output pin of 8 bit data bus is connected with the Laser data-interface.The 8 bit data D0-D7 that send from the PC104 data/address bus are transferred to the input pin end of the bus receiver transmitter that is attached thereto by output pin, the output pin by the bus receiver transmitter with transfer of data to the display data interface.Control command output pin Ena by the Motorola print control unit, Dir, Pul connects the 2A2 with inverter buffer/line drive, 2A3, the 2A4 input pin, and by the output pin STEP Ena of inverter buffer/line drive, STEP Dir, STEPPul is connected on the I/O data-interface, the running of motor on the gated sweep device, the I/O control command of sending simultaneously is transferred to the bus receiver transmitter that is attached thereto and the input pin end of trigger by output pin IO0～IO7, output pin by the bus receiver transmitter is transferred to the I/O data-interface with the I/O control signal, controls the film magazine that send of laser camera, film is inhaled and is sent, film transmits, the running of receiving can device each several part.Output pin by trigger sends to the I/O data-interface with the I/O control signal, and the motor on the control film cassette unit, film are inhaled the running of sending device motor, film to transmit the motor on motor and the receiving can device.Be connected to the input pin 1A1-2A4 end of inverter buffer/line drive by Motorola print control unit output control signal pin SDO, SCK, C32-5, nDAC-Wr, CS-U11, CS-8902, output command pin 1Y1-2Y4 by inverter buffer/line drive is connected to Laser data command interface, the running of control laser instrument.The view data of diagnostic device output spreads out of data 8 viewdata signal SD[0-7 by printing SEVER by the PC104-BUS bus] and 10 address signal AS[0-9], IOR and IOW be in programmable logic array XC95144XL-TQ100 (B).Carry out after the information that microprocessing unit Motorola print control unit detection logic array obtains memory read (nFIFO Rd) order and memory write (nFIFO Wr) order are issued in first in first out (FIFO) memorizer, the signal that to control laser instrument and motor simultaneously sends in the Laser data-interface and the I/O data-interface by inverter buffer/line drive, and the I/O driving data is sent.The FIFO memorizer reads in view data and be written out in eight bus receiver transmitter from programmable logic array earlier, and the eight bit image data that the bus receiver transmitter will receive under significant level send in the Laser data-interface.The I/O driver is to be read the I/O driving data and I/O is driven signal by I/O data-interface, the running of the various piece of driving laser camera: send the film magazine pick off from print control unit by the I/O cable under significant level by bus receiver transmitter and trigger, the film magazine sky, film is few, sucker contact film, send the film magazine open door sensor, send film magazine to close door sensor, X-axis-initial point, X-axis-limit on the left, X-axis-limit on the right-right-hand limit, Y-axis-initial point, Y-axis-limit on the left, Y-axis-limit on the right-right-hand limit, film goes out film magazine, the plectrum datum mark, the Drum film is in place, motor limit on the left, the motor limit on the right-right-hand limit, receiving can is with regard to level sensor, last cover is opened, the machine cover plate leaves, the developing machine fault, developing machine-busy, receiving can drawer ON/OFF, light cell-light intensity/a little less than, film enters developing machine, film enters receiving can, air pump, electromagnetic valve, DC motor-X-axis, DC motor-Y-axis, electric magnet-film magazine opens the door, DC motor-send film magazine, film is stirred motor, film transmits motor, motor, the receiving can motor that takes up, electric magnet-developing machine.The each several part mechanism of controlled information finishes all processes of laser imaging according to the workflow of program step execution laser camera under the control of print control unit.

The laser instrument illuminating circuit is by the Laser data-interface, 8 bus receiver transmitters, parallel D/A converter, amplifier, resistance, electric capacity, adjustable resistance, audion, serial D/A transducer, compositions such as phase inverter, 8 bit data signals of Laser data-interface are connected to the input pin end of bus receiver transmitter, the data output pin end of bus receiver transmitter is connected to the input of parallel D/A converter, conversion by D/A converter is converted to analogue signal outputs to the amplifier that is attached thereto by output pin input pin end with data signal, the resistance of voltage of amplification output through being attached thereto of amplifier, amplifiers etc. arrive laser instrument, the control signal of Laser data-interface outputs to the A2-A6 input of phase inverter simultaneously, output to the input Cs and the Wr of the parallel D/A converter that is attached thereto by the Y3 pin by the inverting function control signal of phase inverter, Y4, Y5, Y6 outputs to the input SCLK of the serial D/A transducer that is attached thereto, Din, on the Sync pin, conversion output VoutA by serial D/A transducer, two voltage to two amplifiers of VoutB+input, voltage is outputed to Vref end, the reference voltage of adjusting Vref end and then the gray scale and the contrast of adjusting laser instrument of the parallel D/A converter that is attached thereto by the effect of amplifier.

Laser instrument is luminous to be to be sent in the parallel D/A converter by the viewdata signal that the bus receiver transmitter receives from the Laser data-interface, D/A converter converts the digital signal that receives to analog signal voltage and exports to amplifier, the voltage that amplifies is passed to semiconductor laser by circuit, makes laser instrument luminous.The power of the light that laser instrument sends transfers to behind the voltage by the feedback circuit of being made up of amplifier, resistance, electric capacity and feeds back the negative leads ends that high voltage or low-voltage are added to amplifier.The clamp circuit conducting ground voltage of being made up of amplifier, adjustable resistance, audion, resistance when overtension is zero, and then amplifier input terminal+pin voltage is the zero voltage decreases that makes output, and the light of semiconductor laser dies down.The viewdata signal that phase inverter receives from the Laser data-interface also is transferred to clock control signal, horizontal triggering signal and continuous data in serial D/A transducer.Make Vref reference voltage adjustable extent become gray scale and contrast big or that diminish and then regulate image by the VoutA of serial D/A transducer and the voltage VmaX and the Vmin of VoutB output, the light that makes laser instrument send meets the requirements, and it is clear accurate to scan on the film.

Light path device of the present invention is made up of support, laser instrument, battery of lens, motor and reflecting mirror.At the middle part of support fixed laser, front end at laser instrument is provided with battery of lens, motor is contained on the support, before being positioned at battery of lens, motor shaft is the hollow form axle, battery of lens is over against the middle vacancy of motor shaft, external part one side at motor shaft has the luminous reflectance hole, inject into the β angle facing to battery of lens light, the β angle is between 30 °～60 °, adorn a reflecting mirror at the hollow motor shaft external part, the light that sends from laser instrument is shone on the reflecting mirror through battery of lens, be focused into a bit, and penetrate from the luminous reflectance hole and to beat on film, the laser instrument of this light path device employing is a semiconductor laser.

This light path device can project the laser beam of rotation on the film, and accurate start point of location scanning of energy and scanning terminating point, forms clear and accurate diagnostic scan result on film.

Receiving can device of the present invention is made up of the receiving can and the cassette holder two parts that take up.Receiving can is made up of lower frame, left plate, right plate, back side panel, forward direction guide plate, bottom lining plate, inlet device, upper ledge, handle, cap transmission.Wherein inlet device is made up of upper left supporting, upper right supporting, lower-left supporting, bottom right supporting, drive roll, driven voller, upper bracket, lower carriage, spring.The cassette holder that takes up is made up of driving device and cassette holder plate.Wherein driving device is made up of left driving arm, right bearing, spring, power transmission shaft, pin.

Receiving can: left plate, right plate, back side panel are connected respectively on the lower frame, and bottom lining plate is housed on the lower frame in box, and upper ledge is buckled the back and formed a box body.And being connected with inlet device at the front end of box body, the cap transmission that is connected with inlet device will drive inlet device film will be nipped.Front end at inlet device is equipped with the forward direction guide plate, stops light to enter from the front end of box body, forms to have sealing, deposits the box body of film.Install handle at last with the receiving can of conveniently taking.

Inlet device: the lower-left supporting is supported the two ends, the left and right sides that install and fix lower carriage respectively with the bottom right, between lower-left supporting and bottom right supporting drive roll is installed.Upper left supporting and upper right supporting snap into the lower-left supporting respectively and support with the bottom right, are connected with driven voller between upper left supporting and upper right supporting.The motion of drive roll will drive driven voller and do the motion of nipping thereupon.Be separately installed with the spring of pretightning force in the installing hole in upper left supporting and upper right supporting, making that driven voller clings under the normal condition stops entering of light on the drive roll, and will make things convenient for not entering of film can leave the gap owing to the elastic force of spring makes driven voller move in elastic range when film will enter.Upper bracket is connected on the lower carriage by lower-left supporting and bottom right supporting.

Cassette holder takes up: be made up of driving device and cassette holder plate, its principal character is a driving device, and left bearing and the right bearing that install at the two ends of drive sleeve connect together left driving arm with right driving arm.Spring and power transmission shaft are arranged in drive sleeve, pin is installed on power transmission shaft, the elastic force of spring will guarantee that pin is secured in the cap transmission of receiving can, is connecting sprocket wheel at the drive sleeve other end when power transmission shaft rotates.Motor is fixed on motor and adjusts on the plate, adjusts plate and is fixed on the left driving arm.Sprocket wheel is installed on motor shaft, on two sprocket wheels, chain is installed.Adjusting motor adjusts the position of plate that chain is had after certain tensioning is fastening.The sprocket wheel that this driving device adopted, link chain mechanism can adopt synchronous pulley, be with mechanism to replace synchronously.The cassette holder that takes up not only supports receiving can, and receiving can is played localized effect.The driving device of cassette holder of taking up will drive the motion of the inlet device of receiving can, make film enter in the receiving can exactly.

Before the film after the imaging entered the receiving can device, motor movement drove the motion of sprocket wheel on the driving device of the cassette holder that takes up, and drives the motion of pin simultaneously.Cap transmission and pin on the receiving can link together, cap transmission movement therewith when pin moves.The motion of cap transmission drives the drive roll motion, because the effect of friction makes driven voller and its motion of nipping, film is brought in the receiving can.

The invention provides a kind of network image data scanning output and can be of realizing with the long-term laser image forming apparatus that keeps of scanning result, and have scanning imagery stabilised quality height, film transmits advantages such as distance is short, mechanism is simple, easy to operate.

Description of drawings

Fig. 1 is an overall structure sketch map of the present invention,

Fig. 2 is a film cassette unit structural representation of the present invention,

Fig. 3 is the structural representation that film cassette unit of the present invention send film magazine,

Fig. 4 is the left view of Fig. 3,

Fig. 5 is the structural representation of film cassette unit sliding door of the present invention,

Fig. 6 is the vertical view of Fig. 5,

Fig. 7 is the rearview of Fig. 5,

Fig. 8 is the I partial enlarged drawing of Fig. 5,

Fig. 9 be the C-C of Fig. 8 to view,

Figure 10 is the structural representation of film cassette unit box body of the present invention,

Figure 11 be the A-A of Figure 10 to view,

Figure 12 is the I partial enlarged drawing of Figure 11,

Figure 13 be the B of Figure 12 to view,

Figure 14 is the structural representation of film cassette unit cassette holder of the present invention,

Figure 15 is the structural representation of film cassette unit door-opening mechanism of the present invention,

Figure 16 is the upward view of Figure 15,

Figure 17 is that the apparatus structure sketch map is sent in film suction of the present invention,

Figure 18 is a film transfer device used structural representation of the present invention,

Figure 19 is a scanning means frame for movement sketch map of the present invention,

Figure 20 is a scanner structure sketch map in the scanning means of the present invention,

Figure 21 is a scanner stand structural representation in the scanning means of the present invention,

Figure 22 is an electrical design flow chart of the present invention,

Figure 23 is a power supply control flow chart of the present invention,

Figure 24 is image data transmission control circuit figure I of the present invention,

Figure 25 is image data transmission control circuit figure II of the present invention,

Figure 26 is a laser instrument principle of luminosity circuit diagram of the present invention,

Figure 27 is light path device structure of the present invention and light path schematic flow sheet.

Figure 28 is the structural representation of receiving can device of the present invention,

Figure 29 is the receiving can structural representation of receiving can device of the present invention,

Figure 30 is the structural representation of the receiving can inlet device of receiving can device of the present invention,

Figure 31 is the take up structural representation of cassette holder of the present invention,

Figure 32 is the structural representation of receiving can driving device of the present invention,

Among Fig. 1: 1 scanning device, 2 scanner stands, 3 is film transfer device used, and 4 send film magazine, and 5 send the sheet cassette holder, and 6 films are inhaled and to be sent device, 7 receiving cans, 8 cassette holders that take up, 9 vehicle frames, 10 outer housings, 11 castors.

Among Fig. 2-Figure 16: 4 send film magazine, 5 cassette holders, 12 handles, 13 lids, 14 box bodys, 15 lid frames, 16 upper cover plates, 17 sliding doors, 18 door leafs, 19 reinforcements, 20 horizontal roll sleeves, 21 horizontal roller bearings, 22 vertical roll sleeves, 23 vertical roller bearings, 24 push away handle, 25 box body frames, 26 left plates, 27 bogie wheels, 28 bolsters, 29 dog screws, 30 top boards, 31 right baffle-plates, 32 right baffle plates, 33 tongues, 34 extension springs, 35 stage clips, 36 right scraping blades, 37 front aprons, 38 tongue backplates, 39 left scraping blades, 40 front side boards, 41 door-opening mechanisms, 42 cassette holder plates, 43 electric magnet installing plates, 44 electric magnet, 45 right side springs, 46 left side springs, 47 supports, 48 forks, 49 friction pulleys, 50 friction wheel supports, 51 friction pulleys control motor.

Among Figure 17: 52 vacuum pumps, 53 suckers, 54 detectors, 55 vertical travelling carriages, 56 horizontal slip framves, 57 vertically control motor, 58 levels control motor, 59 supports, 60 gears, 61 travel switches, 62 reversal valves, 63 slide rails.

Among Figure 18: 64 left pinch rolls, 65 supports, 66 send the sheet baffle plate, 67 shunting dodge gates, 68 right pinch rolls, 69 motors, 70 times sheet baffle plates, 71 pulleys, 72 springs.

Among Figure 19-Figure 26: 1 scanning device, 2 scanner stands, 75 scanning right plates, 76 scanning optical axis I, 77 scanning brackets, 78 photocell fixed mounts, 79 scannings are left plate fixedly, 80 shaft couplings, 81 motors, 82 scanning optical axis II, 83 leading screws, 84 screws, 85 left dark slides, 86 right dark slides, 87 axle sleeves, 88 fixed mounts, 89 scanning cylinders, 90 support plates, 91 angle bar, 92 elastic rubber fittings, 93 base plates, 94 semicircle flanges, 95 thrust blocks, 96 position plectrums, 97 diagnostic devices, 98 customer controllers, 99 DICOM controllers, 100 hard disks, 101 print Sever, 102 Motorola print control units, 103 pushup storages, 104 D/A conversion, 105 laser instrument, 106 I/O drive circuits, 107 stepper motor drivers, 108 grid lines, 109 PC104 data/address bus, 110 12 position datawires, 111 control lines, 112 data wires, 113 stepping cables, 114 motors, 115 inverter buffers/line drive, 116 I/O data port, 73 triggers, 74 display data interfaces, 117 Laser data-interfaces, 118 8 bus receiver transmitters, 119 programmable logic arrays, 120 parallel D/A converters, 121 amplifier I, 122 amplifier II, 123 resistance, 124 electric capacity, 125 adjustable resistances, 126 amplifier III, 127 amplifier IV, 128 audions, 129 serial D/A transducer, 130 phase inverters, 132 electromagnetic interface filters, 171 PC Switching Power Supplies, 172 relays, 173 I/O power supplys, 174 power supply for step-by-step motor, 175 linear power supplies.

Among Figure 27: the support of 131 light path devices, 105 laser instrument, 133 battery of lens, 134 motor rotating at high speed, 135 motor shafts, 136 reflecting mirrors, 137 films, 138 luminous reflectance holes.

Among Figure 28-Figure 32: 7 receiving cans, 8 cassette holders that take up, the lower frame of 139 receiving can devices, 140 bottom lining plates, 141 left plates, 142 back side panels, the upper ledge of 143 receiving can devices, 144 handles, 145 inlet devices, 146 right plates, 147 forward direction guide plates, 148 cap transmissions, 149 lower carriages, the supporting of 150 lower-lefts, 151 drive rolls, 152 upper left supportings, 153 driven vollers, 154 springs, 155 upper brackets, 156 upper right supportings, the supporting of 157 bottom rights, 158 driving devices, 159 cassette holder plates, 160 left driving arms, 161 drive sockets, 162 left bearings, 163 sprocket wheels, 164 motors are adjusted plate, 165 drive motors, 166 right bearings, 167 springs, 168 right driving arms, 169 power transmission shafts, 170 pins.

The specific embodiment

Overall structure of the present invention (referring to accompanying drawing 1): below the both artistic and practical ABS enhanced plastic of outer housing 10 employings of laser image forming apparatus, and vehicle frame 9 employing panel beatings formations, car body the part that castor 11 belongs to vehicle frame is installed.Upper horizontal at vehicle frame 9 is equipped with film cassette unit, and film cassette unit is by sending film magazine 4 and sending film magazine 5 to form.Send sheet cassette holder 5 to be fixed on the vehicle frame 9, send film magazine 4 to be placed on and send on the sheet cassette holder 5, send the film magazine 4 can be directly from sending sheet cassette holder 5 to pull out or push.Send on the sheet cassette holder 5 block is installed, in the time will sending film magazine 4 to push to send in the sheet cassette holder 5, send film magazine 4 to maintain static between the block before and after being stuck in, only need hold handle 12 when pulling out and to send film magazine 4 to lift the back to pull out from sending in the sheet cassette holder 5.Door-opening mechanism 41 is installed sending on the sheet cassette holder 5, door-opening mechanism 41 vertically send film magazine 4 above.The top of sending film magazine 4 is that device 6 is sent in the film suction, film inhale the support 59 send device 6 send film magazine 4 above be fixed on the vehicle frame 9 by angle bar, in the left side of support 59 is to send the door-opening mechanism 41 of sheet cassette holder 5 to leave space, the horizontal slip frame 56 that motor 57,58 is installed is fixed on the top of support 59 by slide rail 63, vertically travelling carriage 55 is fixed on the horizontal slip frame 56 by slide rail 63, sucker 53 is installed on horizontal slip frame 56, sucker 53 vertically send film magazine 4 lids 13 above.Be equipped with film transfer device used 3 in the place ahead of sending film magazine 4, film transfer device used 3 position is higher than send film magazine 4, near the right pinch roll 68 that send film magazine 4 film is inhaled the film that send device 6 to send here and import near in the left pinch roll 64 of scanning means in film transfer device used 3.Scanning device 1 and scanner stand 2 in the scanning means are installed in the place ahead of film transfer device used 3, and scanner stand 2 is fixed on the vehicle frame 9, and scanning device 1 is fixed on the scanner stand 2 by two scanning optical axises 76,82.Receiving can device and horizontal plane tilt alpha are installed below film cassette unit, the receiving can device is made up of the receiving can 7 and the cassette holder 8 that takes up, the receiving can device is fixedly connected on the tilting rack by slide rail 63, when taking receiving can 7, hold and after handle 144 outwards pulls out the receiving can device receiving can 7 is taken out from the cassette holder 8 that takes up, push the receiving can device after when putting into receiving can 7 being put into the cassette holder 8 that takes up.Left side at the receiving can device is equipped with control circuit on the baffle plate of vehicle frame 9.Control circuit will be controlled the transmission of the running of laser camera mechanical part and view data, control signal.

Film cassette unit of the present invention (referring to accompanying drawing 2-Figure 16).

The film magazine 4 that send of the present invention is placed on the cassette holder 5, form a film cassette unit, the door-opening mechanism 41 of cassette holder 5 is vertical above lid 13, and door-opening mechanism 41 adopts friction pulley 49 to utilize the frictional force that produces between the sliding door 17 of friction pulley 49 and lid 13 that sliding door 17 is opened, and sends film.

Send film magazine 4 referring to accompanying drawing 3-4: what lid 13 and box body 14 usefulness screws were joined together to form an airtight protection and stored film send film magazine 4, sending the right-hand handle 12 that is equipped with of film magazine 4, conveniently send taking of film magazine 4.Lid 13 is made up of sliding door 17 and coupled upper cover plate 16 and lid frame 15.

Sliding door 17 is referring to accompanying drawing 5-9: at door leaf 18 four jiaos horizontal roll sleeve 20, laterally roller bearing 21 and vertical roll sleeve 22, vertical roller bearing 23 and make that sliding door 17 mechanisms are flexibly movable are installed.The top of door leaf 18 is equipped with and pushes away handle 24, pushes away to put into film after handle 24 is opened door leaf 18 when putting film, and is directly simple, easy to operate.The loaded down with trivial details step that does not exist mechanical mechanism will send sheet lid 13 to open to put film.Reinforcement 19 is installed below door leaf 18, and firm door leaf 18 prevents its distortion.

Box body 14 (referring to accompanying drawing 10-13); Box body frame 25 adopts section bar, and is simple and convenient.The bogie wheel 27 that is installed to left plate 26 prevents that with supporting shaft 28 power that friction pulley 49 acts on the door leaf 18 from making door leaf 18 be out of shape.And the process of opening the door or closing the door is finished in the motion of auxiliary friction pulley 49.Right baffle-plate 31 and right baffle plate 32 are installed in the left and right sides of top board 30, top board 30 is played the localized effect in the left and right sides.And dog screw 29 is installed on right baffle-plate 31 and right baffle plate 32, dog screw 29 is controlled moving up and down of top board 30 effectively, and protection is installed in the stage clip 35 of top board 30 belows.When putting into film, top board 30 is depressed, and stage clip 35 compresses, and dog screw 29 protects stage clip 35 effectively it is moved in elastic range.Right scraping plate 36 and left scraping plate 39 are installed on front apron 37, and left and right sides scraping plate mainly is to be used for locating the transmission that film helps film.At front side board 40 part of uncapping is installed, is connected with extension spring 34 at door tongue backplate 38 Xiamen tongues 33, the motion of extension spring 34 makes screw snap into or the opening position that leaves on the door leaf 18 is finished the process of closing the door or opening the door.

Cassette holder 5 (referring to accompanying drawing 14): form by door-opening mechanism 41 and cassette holder plate 42.

Door-opening mechanism 41 is referring to accompanying drawing 15, Figure 16: electric magnet installing plate 43 is installed below cassette holder plate 42, electric magnet 44 is fixed on the electric magnet installing plate 43, cassette holder plate 42 tops are equipped with support 47, the spring that is connected with fork 48 is installed in the left and right sides of support 47, friction pulley 49 and the relative position of pulling between 17 during left side spring 46 gauge tap doors, when the captivation of electric magnet 44 attracted friction pulley 49 to be pressed onto on the sliding door 17, the elastic force of right side spring 45 made friction pulley 49 be unlikely and is pressed onto on the sliding door 17.Fork 48 is fixed on the support 47, friction wheel support 50 is installed on the fork 48, friction pulley 49 is installed in the rotating shaft of motor 51, and motor 51 is installed on the friction wheel support 50.The motion of motor 51 drives the rotation of friction pulley 49.The frictional force that produces between friction pulley 49 and the sliding door 17 makes sliding door 17 open or close.

Film of the present invention is inhaled and is sent device (referring to accompanying drawing 17).

Vertically travelling carriage 55 is fixedly attached on the horizontal slip frame 56 by slide rail 63, and horizontal slip frame 56 is fixed on the support 59 by slide rail 63.Vertical control motor 57, level control motor 58 and travel switch 61 are installed on horizontal slip frame 56, the vertically motion of vertical travelling carriage 55 in the vertical directions of control motor 57 controls, 58 control horizontal slip frame 56 motions in the horizontal direction of level control motor.Vertically travelling carriage 55 is controlled by travel switch 61 with the distance that moves of horizontal slip frame 56 on vertical and horizontal direction.Vertically on the travelling carriage 55 sucker 53, vacuum pump 52, reversal valve 62 and detector 54 are installed.Vertically control motor 57 and pass through to pass through when rotate electric back gear 60, the vertical travelling carriage 55 in the vertical directions motion of tooth bar (marking among the figure) drive, detector 54 detects whether film is arranged when moving down into the top of film, if there is not film to provide no sheet signal and reposition; If film is arranged then sucker 53 touches film downwards, vacuum pump 52 actions simultaneously, sucker 53 holds film.Vertically control motor 57 counter-rotatings then vertical travelling carriage 55 is made the same level height of film and right pinch roll porch together with the film rise that holds.Level is controlled to rotate after motor 58 is switched on by gear 60 tooth bars (marking among the figure) drive horizontal slip frame 56 along continuous straight runs and is moved, and film is sent in the right pinch roll inlet seam.Simultaneously, reversal valve 62 commutates then that sucker 53 puts down film, and then, level control motor 58 rotates retracts original position with horizontal slip frame 56.

Film transfer device used (referring to accompanying drawing 18) of the present invention: the lower roll two ends of left pinch roll 64 and 68 two pairs of pinch rolls of right pinch roll are respectively fixed on the front and back support 65, be respectively equipped with the fixedly groove of pinch roll on the front and back support 65, end at support 65 is equipped with motor 69, in the rotating shaft of motor 69 sprocket wheel is installed, the sprocket wheel of the lower roll of two pairs of pinch rolls is linked together and be connected with chain with sprocket wheel on the motor 69, pulley 71 is equipped with at two ends two pairs of pinch roll upper rolls respectively, and spring 72 makes upper rolls closely contact with lower roll by pulley 71 and is fixed on the support 65.On support 65, also be equipped with and send sheet baffle plate 66, shunting dodge gate 67 and return sheet baffle plate 70.Send sheet baffle plate 66 and left pinch roll 64 corresponding two ends to be fixed on support 65 two ends domatic, shunting dodge gate 67 two ends are fixed on the centre position at support 65 two ends, go back to 70 belows that are positioned at right pinch roll 68 of sheet baffle plate.Send between sheet baffle plate 66 and the shunting dodge gate 67 and leave the space, also leave the space between shunting dodge gate 67 and time sheet baffle plate 70.

Scanning means of the present invention (referring to accompanying drawing 19): the present invention is made of scanning device 1 and scanner stand 2 and control circuit.Scanning device 1 is installed on the scanner stand 2 by two scanning optical axises.DICOM controller 99 and Motorola print control unit 102 are installed on the installing plate of lower-left cavity of vehicle frame 9 on the PCB fixed mount 88 that the imaging mechanism push-up storage 8K FIFO103 of control circuit and D/A converter 104 are installed in scanning device.

Scanning device 1 (referring to accompanying drawing 20): two parallel everywhere scanning optical axis I76 in same horizontal plane are connected with scanning bracket 77 by axle sleeve 87 with scanning optical axis II82.The smooth contact between scanning optical axis and the axle sleeve 87 makes and scans bracket 77 freedom of movement on optical axis.Two scanning optical axises are fixed on fixedly left plate 79 and scanning on the right plate 75 of scanning.Leading screw 83 passes screw 84 and bracket 77 and is connected with motor 81 by shaft coupling 80 and is fixed to scanning fixedly on the left plate 79, leading screw 83 with scan optical axis I76, scan that distance between the optical axis II82 equates everywhere and the axle center in same horizontal plane.On the scanning bracket 77 high-speed electric expreess locomotive 134 and laser generator 105 are installed, left at scanning bracket 77 is equipped with photocell fixed mount 78, the top of bracket 77 is equipped with PCB fixed mount 88, the two ends, the left and right sides of bracket 77 are equipped with left dark slide 85 and right dark slide 86, prevent to produce multiple reflection in the laser scanning process that laser instrument sends and cause the fuzzy of imaging.When driving laser instrument bracket 77 by shaft coupling 80, leading screw 83, motor 81 rotations on two scanning optical axises, move.Simultaneously, the high-speed electric expreess locomotive axle is equipped with reflecting mirror 136 in the 135 core holes, and motor 134 rotation is got to the scanogram line that forms spiral on film 137 photosurfaces with the laser that the laser generator 105 of motor shaft 135 ends sends through reflection.

Scanner stand 2 (referring to accompanying drawing 21): scanning cylinder 89 is connected with semicircle flange 94, forms 180 ° semicircle, and semicircle flange 94 is fixed on again on the support plate 90, and the angle bar 91 that is connected with support plate 90 is fixed on the base plate 93 by buffering elastic rubber fitting 92.Film is in nipping of pinch roll is moved into scanning cylinder 89, film is along with the shape motion of scanning cylinder 89, when the front end of film runs into the thrust block 96 that is connected with spring, film will with thrust block 96 in elastic range, move up to the end of film from pinch come out in spinning in and snap into pinch spin in end till.In the process of film movements, position plectrum device 95 can be stirred film makes film adjust to the position of regulation.

The electrical design flow process part (referring to accompanying drawing 22) of control circuit of the present invention: diagnostic device 97 is transferred to the view data of diagnosis in the network communication protocol interface DICOM controller 99 by grid line, and customer controller 98 starts 99 work of DICOM controller.The view data that will meet communications protocol after DICOM controller 99 will be handled is transferred to print in the Sever101 by grid line 108 further to be handled data, is transferred in the pushup storage (8KFIFO) 103 and Motorola print control units 102 from printing the next data of Sever101 output by PC104 data/address bus 109.The control signal of Motorola print control unit 102 outputs and status information will be controlled the work of 8K FIFO103, D/A conversion 104, I/O drive circuit 106 and stepper motor driver 107 by control line 111.View data is that analogue signal is transported in the laser instrument 105 by D/A conversion 104 backs by digital signal transition.The stepper motor driver 107 of controlled information will be by the motion of stepping cable 113 drive stepping motor 114.The scanning motion of the motion driven sweep device of motor 114 is along with the emission of laser instrument 105 scans picture signal on the film.

Power supply control flow of the present invention (referring to accompanying drawing 23): the energising back is filtered out together with involving other high order through after the filtering of electromagnetic interface filter 132 by the voltage signal that the external power grid transmission comes together with ripple, electromagnetic interface filter 132 is transferred to PC Switching Power Supply 171 and relay 172 with stable power like this, and PC Switching Power Supply 171 is sent control signal by control pair relay 172.After PC Switching Power Supply 171 gets electric connection, start Motorola system control 102, printer Server101 and DICOM controller 99.PC Switching Power Supply 171 is transferred to control signal on the relay 172 by control line simultaneously, and the voltage with AC220V behind the relay 172 controlled signals is added to I/O power supply 173, power supply for step-by-step motor 174 and linear power supply 175.The DC voltage that the voltage of alternating current 220V obtains 12V after by I/O power supply 173 is added on the I/O drive circuit 106 start sensor and direct current generator work.The DC voltage that the voltage of alternating current 220V obtains 24V after by the stepping power supply is added on the stepper motor driver 107, starts motor work.The voltage of alternating current 220V is added on the laser drive circuit after by linear power supply, starts laser instrument 105 work.

Image data transmission control circuit (referring to accompanying drawing 24, Figure 25): print SEVER101 and data are spread out of 8 viewdata signal SD[0-7 by PC104-BUS data/address bus 109] and 10 address signal AS[0-9] arrive in XC95144XL-TQ100 (B) programmable logic array 119.Microprocessing unit Motorola print control unit 102 is issued memory read (nFIFO Rd) order and memory write (nFIFOWr) order in first in first out (FIFO) memorizer 103, and the signal that will control laser instrument 105 and motor 114 simultaneously sends in the Laser data-interface 117 and I/O data-interface 116 by inverter buffer/line drive 115.FIFO memorizer 103 reads in view data and be written out in eight bus receiver transmitter 118 from programmable logic array 119 earlier, and the eight bit image data that bus receiver transmitter 118 will receive under significant level send in the Laser data-interface 117.The I/O control signal IO0-IO7 that is sent by Motorola print control unit 102 and is transferred in the I/O data-interface 116 through bus receiver transmitter 118 and trigger 73 in bus receiver transmitter 118 and trigger 73.

Laser instrument principle of luminosity circuit (referring to accompanying drawing 26): the viewdata signal that bus receiver transmitter 118 receives from Laser data-interface 117 sends in the parallel D/A converter 120, D/A converter 120 converts the digital signal that receives to analog signal voltage and exports to amplifier I121, the voltage that amplifies is passed to semiconductor laser 105 by circuit, makes that laser instrument 105 is luminous.The power of the light that laser instrument 105 sends transfers to behind the voltage by the feedback circuit of being made up of amplifier II122, resistance 123, electric capacity 124 and feeds back the negative leads ends that high voltage or low-voltage are added to amplifier IV127.The clamp circuit conducting ground voltage of being made up of amplifier III126, adjustable resistance 125, audion 128, resistance 123 when overtension is zero, then input+pin voltage of amplifier IV127 is the zero voltage decreases that makes output, and the light of semiconductor laser 105 dies down.The viewdata signal that phase inverter 130 receives from Laser data-interface 117 also is transferred to clock control signal, horizontal triggering signal and continuous data in serial D/A transducer 129.Make Vref reference voltage adjustable extent become gray scale and contrast big or that diminish and then regulate image by the VoutA of serial D/A transducer 129 and the voltage VmaX and the Vmin of VoutB output, the light that makes laser instrument 105 send meets the requirements, and it is clear accurate to scan on the film.

Light path device of the present invention (referring to accompanying drawing 27): fixing semiconductor laser instrument 105 at the middle part of support 131, front end at semiconductor laser 105 is provided with battery of lens 133, motor 134 is contained on the support 131, motor 134 is positioned at the front of battery of lens 133, motor shaft 135 is a hollow form, battery of lens 133 is over against the middle vacancy of motor shaft 135, external part one side at motor shaft 135 has luminous reflectance hole 138, adorn a reflecting mirror 136 at the external part of hollow motor shaft 135, reflecting mirror 136 becomes 30-60 ° of angle with electrical axis.Being installed in the laser beam that the laser instrument 105 in the support sends gets on the reflecting mirror 136 through light behind the refraction action of battery of lens 133, arrive on the film 137 through light beam after the reflection of reflecting mirror 136, simultaneously, the sensor that is installed on the scanning means is transferred in the computer as the starting point of scanning and with this signal to the light beam that arrives film 137, through the control procedure of control circuit view data is passed through the laser beam flying of laser instrument 105 to film 137.Being installed in owing to reflecting mirror 136 in the motor shaft 135 of motor rotating at high speed 134 makes laser beam along with motor rotating 134 forms the laser beam circular arc.And film 137 is placed in the scanning cylinder of semicircle, by control system control view data is all clearly scanned on the film 137.

Receiving can device of the present invention (referring to accompanying drawing 28-32): form by the receiving can 7 and cassette holder 8 two parts that take up.

Receiving can 7, left plate 141, right plate 146, back side panel 142 are connected respectively on the lower frame 139, and bottom lining plate 140 is housed on the lower frame in box, and upper ledge 143 is buckled the back and formed a box body.To drive inlet device 145 film will be nipped and be connected with cap transmission 148 that inlet device 145 is connected with inlet device 145 at the front end of box body.Front end at inlet device 145 is equipped with forward direction guide plate 147, stops light to enter from the front end of box body, forms to have sealing, deposits the box body of film.Install handle 144 at last with the receiving can of conveniently taking.

Inlet device 145 (referring to accompanying drawing 30): lower-left supporting 150 and bottom right supporting 157 install and fix the two ends, the left and right sides of lower carriage 149 respectively, between lower-left supporting 150 and bottom right supporting 157 drive roll 151 are installed.It is last 157 that upper left supporting 152 and upper right supporting 156 snap into lower-left supporting 150 and bottom right supporting respectively, is connected with driven voller 153 between upper left supporting 152 and upper right supporting 156.The motion of drive roll 151 will drive driven voller 153 and do the motion of nipping thereupon.Be separately installed with the spring 154 of pretightning force in the installing hole in upper left supporting 152 and upper right supporting 156, making that driven voller 153 clings under the normal condition stops entering of light on the drive roll 151, and will make things convenient for not entering of film can leave the gap owing to the elastic force of spring 154 makes driven voller 153 move in elastic range when film will enter.Upper bracket 155 is connected on the lower carriage 149 by lower-left supporting 150 and bottom right supporting 157.

Cassette holder 8 (referring to accompanying drawing 31) takes up: be made up of driving device 158 and cassette holder plate 159.The cassette holder 8 that takes up not only supports receiving can 7, and receiving can 7 is played positioning action.Wherein principal character is a driving device 158, and the motion of driving device 158 will drive the motion of the inlet device 145 of receiving can 7, finishes the motion of nipping of film.

Driving device 158 (referring to accompanying drawing 32): the two ends of drive sleeve 161 are connected respectively on left driving arm 160 and the right driving arm 168 by left bearing 162 and right bearing 166, and right driving arm 168 is fixed on the left driving arm 160.The elastic force of spring 167 will guarantee that pin 170 is secured on the cap transmission 148 of receiving can 7, adjusts plate 164 and is fixed on the left driving arm 160 when power transmission shaft 169 rotates.Sprocket wheel 163 is installed on motor shaft, chain (not marking among the figure) is installed on two sprocket wheels 163.The position of adjusting motor adjustment plate 164 makes chain (marking among the figure) drive drive sleeve 161 interior power transmission shafts 169 and moves together, power transmission shaft 169 is stuck on the cap transmission 148 of receiving can 7 by pin 170, the motion of cap transmission 148 drives the motion of the drive roll 151 of inlet device 145, because the effect of frictional force makes driven voller 153 along with doing the motion of nipping, and film is brought in the receiving can.

Claims (10)

1, a kind of laser image forming apparatus, it is characterized in that by outer housing, vehicle frame, film cassette unit, film is inhaled and is sent device, film transfer device used, scanning means, light path device, receiving can device and control circuit constitute, upper horizontal at vehicle frame is equipped with film cassette unit, send the sheet cassette holder to be fixed on the vehicle frame, send film magazine to be placed on and send on the sheet cassette holder, send on the sheet cassette holder block is installed, in the time will sending film magazine to push to send in the sheet cassette holder, send film magazine to maintain static between the block before and after being stuck in, door-opening mechanism is installed sending on the sheet cassette holder, door-opening mechanism vertically send film magazine above, the top of sending film magazine is that device is sent in the film suction, film inhale the support send device send film magazine above and be fixed on the vehicle frame, in the left side of support is the door-opening mechanism that send the sheet cassette holder, and leave space, the horizontal slip support that motor is installed is fixed on the top of support by slide rail, vertically sliding support is fixed on the horizontal slip support by slide rail, on the horizontal slip support, sucker is installed, sucker vertically send the film magazine lid above, be equipped with film transfer device used in the place ahead of sending film magazine, film transfer device used position is higher than send film magazine, scanner stand and scanning device in the scanning means are installed in film transfer device used the place ahead, scanner stand is fixed on the vehicle frame, scanning device is fixed on the scanner stand by two scanning optical axises, receiving can device and horizontal plane tilt alpha angle below film cassette unit, the α angle is 30 °-60 °, the receiving can device is made up of the receiving can and the cassette holder that takes up, the receiving can device is fixedly connected on the tilting rack by slide rail, is provided with control circuit in the left side of receiving can device.

2; laser image forming apparatus according to claim 1; it is characterized in that said film cassette unit is by lid; box body and cassette holder constitute; lid and box body are joined together to form an airtight protection and store the film magazine that send of film; handle is installed sending on the film magazine; send film magazine to be placed on the cassette holder; the lid that send film magazine is made up of sliding door and connected upper cover plate and lid frame; four jiaos at its door leaf are equipped with vertical roll sleeve; vertical roller bearing and horizontal roll sleeve; horizontal roller bearing; the top of door leaf is equipped with and pushes away handle; reinforcement is installed below door leaf; the door-opening mechanism of cassette holder adopts friction pulley, utilizes the frictional force that produces between the sliding door of friction pulley and lid that sliding door is opened.

3, laser image forming apparatus according to claim 2, the box body that it is characterized in that said film cassette unit also includes left plate, top board, front side board and door tongue backplate, on the intravital left plate of its box bogie wheel and supporting shaft are housed, right baffle-plate and right baffle plate are installed in the left and right sides of top board, and dog screw is installed on right baffle-plate and right baffle plate, left scraping plate and right scraping plate are installed on front apron, at front side board the part of uncapping is installed, tongue is connected with extension spring in door tongue backplate Xiamen.

4, laser image forming apparatus according to claim 2, the cassette holder that it is characterized in that said film cassette unit is made of door-opening mechanism and cassette holder plate, the electric magnet installing plate is installed below the cassette holder plate, electric magnet is fixed on the electric magnet installing plate, and cassette holder plate top is equipped with support, and fork is fixed on the support, the spring that is connected with fork is installed in the left and right sides of support, friction wheel support is installed on the fork, and friction pulley is installed in the rotating shaft of motor, and motor is installed on the friction wheel support.

5, laser image forming apparatus according to claim 1, it is characterized in that said film transfer device used by support, two pairs of pinch rolls, send the sheet baffle plate, the shunting dodge gate, returning the sheet baffle plate forms, two pairs of pinch rolls are respectively fixed on the relevant position of support, left end at support is equipped with motor, in the rotating shaft of motor sprocket wheel is installed, the lower roll of every pair of pinch roll is fixed on the support, left end in lower roll is equipped with sprocket wheel, chain links together two lower roll and is connected with sprocket wheel on the motor, be equipped with on the support and send the sheet baffle plate, the shunting dodge gate reaches back the sheet baffle plate, the two ends of roller are separately installed with pulley up, and spring closely contacts upper rolls with lower roll by pulley and is fixed on the support.

6, laser image forming apparatus according to claim 1, it is characterized in that said scanning means is made up of scanning device, scanner stand and control circuit, scanning device is fixedly mounted on the scanner stand by two scanning optical axises, on the PCB fixed mount that the imaging mechanism push-up storage FIFO of control circuit and D/A converter are installed in scanning device; DICOM controller and Motorola print control unit are installed on the installing plate of lower-left cavity of vehicle frame, and the embedded control system of control circuit adopts the Motorola print control unit.

7, laser image forming apparatus according to claim 6, it is characterized in that scanning device in the said scanning means is that two parallel scanning optical axises in same horizontal plane are connected with the scanning bracket by axle sleeve everywhere, the smooth contact between scanning optical axis and the axle sleeve, two scanning optical axises are fixed on fixedly left plate and scanning on the right plate of scanning, leading screw passes screw and bracket and is connected with motor by shaft coupling and is fixed to scanning fixedly on the left plate, leading screw equate with the distances of two scannings between the optical axises everywhere and the axle center in same horizontal plane, high-speed electric expreess locomotive and laser generator are installed on the bracket, left at bracket is equipped with the photocell fixed mount, the top of bracket is equipped with the PCB fixed mount, and the two ends, the left and right sides of bracket are equipped with dark slide.

8, laser image forming apparatus according to claim 1, it is characterized in that said light path device is by support, laser instrument, battery of lens, motor and reflecting mirror are formed, at the middle part of support fixed laser, front end at laser instrument is provided with battery of lens, motor is contained on the support, before being positioned at battery of lens, motor shaft is the hollow form axle, battery of lens is over against the middle vacancy of motor shaft, external part one side at motor shaft has the luminous reflectance hole, inject into the β angle facing to battery of lens light, the β angle is between 30 °～60 °, adorns a reflecting mirror at the hollow motor shaft external part, and the laser instrument that this light path device adopts is a semiconductor laser.

9, laser image forming apparatus according to claim 1, it is characterized in that said receiving can device is made up of the receiving can and the cassette holder two parts that take up, the left plate of receiving can, right plate, back side panel is connected respectively on the lower frame, and bottom lining plate is housed on the lower frame in box, upper ledge is buckled the back and is formed a box body, and be connected with inlet device at the front end of box body, inlet device comprises upper bracket and lower carriage, be connected with cap transmission with inlet device, front end at inlet device is equipped with the forward direction guide plate, formation has sealing, deposit the box body of film, the two ends, the left and right sides that install and fix lower carriage are respectively supported in the lower-left supporting and the bottom right of its inlet device, between lower-left supporting and bottom right supporting, drive roll is installed, upper left supporting and upper right supporting snap into the lower-left supporting respectively and support with the bottom right, between upper left supporting and upper right supporting, be connected with driven voller, the motion of drive roll will drive driven voller and do the motion of nipping thereupon, be separately installed with the spring of pretightning force in the installing hole in upper left supporting and upper right supporting, upper bracket is connected on the lower carriage by lower-left supporting and bottom right supporting, the cassette holder that takes up is made up of driving device and cassette holder plate, left bearing and the right bearing that install at the two ends of drive sleeve connect together left driving arm with right driving arm, spring and power transmission shaft are arranged in drive sleeve, pin is installed on power transmission shaft, connecting sprocket wheel at the drive sleeve other end, motor is fixed on motor and adjusts on the plate, adjusting plate is fixed on the left driving arm, sprocket wheel is installed on motor shaft, on two sprocket wheels, chain is installed.

10, laser image forming apparatus according to claim 1, it is characterized in that said control circuit is by the PC104 data/address bus, the Motorola print control unit, programmable logic array, pushup storage, inverter buffer/line drive, bus is accepted transmitter, I/O data-interface and Laser data-interface are formed, 8 bit data output pin SD0-SD7 of PC104 data/address bus, 10 bit address output pin AS0-AS9, IOR and IOW control command output pin respectively with the data input pin SD0-SD7 of programmable logic array, address input pin AS0-AS9, IOW, the IOR input pin is connected, and 8 bit data output pins by programmable logic array link to each other with the data input pin of pushup storage; 8 bit data output pins of Motorola print control unit also link to each other with the data input pin of pushup storage simultaneously, and order output pin nRET, nFIFO Rst, nEF, nFIFO Rd, nFIFO Wr are connected with the order input pin of pushup storage; And nFIFO Rd, nFIFO Wr order output pin also links to each other with nFIFO Rd, the nFIFO Wr of FPGA control unit; The data output pin Q0-Q7 of pushup storage connects the input pin of 8 bus receiver transmitters, the output pin of 8 bit data bus is connected with the Laser data-interface, the 8 bit data D0-D7 that send from the PC104 data/address bus are transferred to the input pin end of the bus receiver transmitter that is attached thereto by output pin, output pin by the bus receiver transmitter arrives the display data interface with transfer of data, control command output pin Ena by the Motorola print control unit, Dir, Pul connects the 2A2 with inverter buffer/line drive, 2A3, the 2A4 input pin, and by the output pin STEP Ena of inverter buffer/line drive, STEP Dir, STEP Pul is connected on the I/O data-interface, the running of motor on the gated sweep device, the I/O control command of sending simultaneously is transferred to the bus receiver transmitter that is attached thereto and the input pin end of trigger by output pin I00～I07, output pin by the bus receiver transmitter is transferred to the I/O data-interface with the I/O control signal, control the film magazine that send of laser camera, film is inhaled and is sent, film transmits, the running of receiving can device each several part, output pin by trigger sends to the I/O data-interface with the I/O control signal, motor on the control film cassette unit, film is inhaled and is sent the device motor, film transmits the running of the motor on motor and the receiving can device, by Motorola print control unit output control signal pin SDO, SCK, C32-5, nDAC-Wr, CS-U11, CS-8902 is connected to the input pin 1A1-2A4 end of inverter buffer/line drive, output command pin 1Y1-2Y4 by inverter buffer/line drive is connected to Laser data command interface, the running of control laser instrument, the view data of diagnostic device output spreads out of data 8 viewdata signal SD[0-7 by printing SEVER by the PC104-BUS bus] and 10 address signal AS[0-9], IOR and IOW are in programmable logic array XC95144XL-TQ100B, carry out after the information that microprocessing unit Motorola print control unit detection logic array obtains the fifo fifo memorizer is issued in memory read nFIFO Rd order and memory write nFIFO Wr order, the signal that to control laser instrument and motor simultaneously sends in the Laser data-interface and the I/O data-interface by inverter buffer/line drive, and the I/O driving data sent, the FIFO memorizer reads in view data and be written out in eight bus receiver transmitter from programmable logic array earlier, the eight bit image data that the bus receiver transmitter will receive under significant level send in the Laser data-interface, the I/O driver is to read the I/O driving data by the I/O cable from print control unit by bus receiver transmitter and trigger under significant level, and I/O driven signal by the I/O data-interface, the running of the various piece of driving laser camera: send the film magazine pick off, the film magazine sky, film is few, sucker contact film, send the film magazine open door sensor, send film magazine to close door sensor, X-axis-initial point, X-axis-limit on the left, X-axis-limit on the right-right-hand limit, Y-axis-initial point, Y-axis-limit on the left, Y-axis-limit on the right-right-hand limit, film goes out film magazine, the plectrum datum mark, the Drum film is in place, motor limit on the left, the motor limit on the right-right-hand limit, receiving can is with regard to level sensor, last cover is opened, the machine cover plate leaves, the developing machine fault, developing machine-busy, receiving can drawer ON/OFF, light cell-light intensity/a little less than, film enters developing machine, film enters receiving can, air pump, electromagnetic valve, DC motor-X-axis, DC motor-Y-axis, electric magnet-film magazine opens the door, DC motor-send film magazine, film is stirred motor, film transmits motor, motor, the receiving can motor that takes up, electric magnet-developing machine, the each several part mechanism of controlled information carries out the workflow of laser camera and finishes all processes of laser imaging under the control of print control unit, the laser instrument illuminating circuit is by the Laser data-interface, 8 bus receiver transmitters, parallel D/A converter, amplifier, resistance, electric capacity, adjustable resistance, audion, serial D/A transducer, compositions such as phase inverter, 8 bit data signals of Laser data-interface are connected to the input pin end of bus receiver transmitter, the data output pin end of bus receiver transmitter is connected to the input of parallel D/A converter, conversion by D/A converter is converted to analogue signal outputs to the amplifier that is attached thereto by output pin input pin end with data signal, the resistance of voltage of amplification output through being attached thereto of amplifier, amplifier arrives laser instrument, the control signal of Laser data-interface outputs to the A2-A6 input of phase inverter simultaneously, output to the input Cs and the Wr of the parallel D/A converter that is attached thereto by the Y3 pin by the inverting function control signal of phase inverter, Y4, Y5, Y6 outputs to the input SCLK of the serial D/A transducer that is attached thereto, Din, on the Sync pin, conversion output VoutA by serial D/A transducer, two voltage to two amplifiers of VoutB+input, voltage is outputed to the Vref end of the parallel D/A converter that is attached thereto by the effect of amplifier, regulate the reference voltage of Vref end and then the gray scale and the contrast of regulating laser instrument, laser instrument is luminous to be to be sent in the parallel D/A converter by the viewdata signal that the bus receiver transmitter receives from the Laser data-interface, D/A converter converts the digital signal that receives to analog signal voltage and exports to amplifier, the voltage that amplifies is passed to semiconductor laser by circuit, make laser instrument luminous, the power of the light that laser instrument sends is passed through by amplifier after transferring voltage to, resistance, the feedback circuit that electric capacity is formed feeds back the negative leads ends that high voltage or low-voltage are added to amplifier, when overtension by amplifier, adjustable resistance, audion, the clamp circuit conducting ground voltage that resistance is formed is zero, then amplifier input terminal+pin voltage is the zero voltage decreases that makes output, the light of semiconductor laser dies down, the viewdata signal that phase inverter receives from the Laser data-interface and with clock control signal, horizontal triggering signal and continuous data are transferred in serial D/A transducer, make Vref reference voltage adjustable extent become gray scale and contrast big or that diminish and then regulate image by the VoutA of serial D/A transducer and the voltage VmaX and the Vmin of VoutB output, the light that makes laser instrument send meets the requirements, and it is clear accurate to scan on the film.

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