CN202193791U - Measurement and control system of gene analytical instrument based on embedded technology - Google Patents
Measurement and control system of gene analytical instrument based on embedded technology Download PDFInfo
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- CN202193791U CN202193791U CN2011202688893U CN201120268889U CN202193791U CN 202193791 U CN202193791 U CN 202193791U CN 2011202688893 U CN2011202688893 U CN 2011202688893U CN 201120268889 U CN201120268889 U CN 201120268889U CN 202193791 U CN202193791 U CN 202193791U
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Abstract
The utility model discloses a measurement and control system of a gene analytical instrument based on an embedded technology. The measurement and control system comprises a central information processing unit, a communication unit, a spectroscopic data collecting unit, a photoelectric sensor driving unit, a comprehensive driving unit, a moving part control unit and a panel operation and control unit, wherein the central information processing unit is connected with the communication unit, the spectroscopic data collecting unit, the comprehensive driving unit, the moving part control unit and the panel operation and control unit respectively; and the spectroscopic data collecting unit is connected with the photoelectric sensor driving unit. The measurement and control system is arranged inside the analytical instrument, organizes each part to be in teaming work according to certain time requirement, automatically controls each part to work under the appointed state, is in real-time data communication with each part, is communicated with external computer and accepts the management of an external host. The system sends out acoustic-optical alarm when the instrument is broken down; and the system automatically inspects the health state of each part when the instrument starts up.
Description
Technical field
The present invention relates to the TT&C system of genetic analysis instrument, particularly the complete machine observing and controlling of biological gene information detector device.
Background technology
Biological gene detection of information technology is a new branch of science that grows up gradually in recent years, has comprised the newest research results in a plurality of fields.So; The analytical instrument that is used for the detection of biological gene information also relates to the gordian technique of a plurality of specialties; It detects principle based on a plurality of subjects such as biology, chemistry, physics; Precise parts such as optics, electronics, machinery have constituted the main body of instrument; Reliably the evading of the foundation of the testing environment that bioinformation is excited to manifest, Detection of Weak Signals, the accurate sample introduction of sample, condition are harsh, Hazard Factor, man-machine safe effective guarantee etc. are the functions that the instrument TT&C system must be realized, the observing and controlling of instrument is very high with the operating accuracy requirement.How existing genetic analysis instrument and analogous instrument are provided the accurate measurement and the control of all components, safety, the function that ensures instrument reliably realize and steady running, are the difficult problem that this field need be captured always.
Summary of the invention
In view of this; In order to overcome the deficiency of prior art; The present invention provides a kind of genetic analysis instrument TT&C system based on embedded technology; Realizing the complete machine observing and controlling function of genetic analysis instrument, for analogous instrument provides the accurate measurement and the control of all components, safety, the function that ensures instrument reliably realize and steady running.
A kind of genetic analysis instrument TT&C system provided by the invention based on embedded technology; Its formation comprises: central information processing unit, communication unit, spectrum data gathering unit, photo-sensor driver element, comprehensive driver element, moving parts control unit and panel are controlled the unit; Said central information processing unit is controlled the unit and is all linked to each other with communication unit, spectrum data gathering unit, comprehensive driver element, moving parts control unit, panel, and said spectrum data gathering unit links to each other with the photo-sensor driver element.
Further, described central information processing unit comprises an embedded primary processor, described spectrum data gathering unit and moving parts control unit comprise respectively one embedded from treater.Three treaters have constituted the TT&C system of organic multi-processor, have disperseed the observing and controlling load and the failure risk of treater, have improved the real-time and the safety of TT&C system.
Further; Described central information processing unit comprises embedded microprocessor MCU, crystal oscillator, internal memory, program store, data-carrier store, programmable logic device (CPLD) and power monitoring reset circuit; Described embedded microprocessor MCU all is electrically connected with crystal oscillator, internal memory, program store, data-carrier store, programmable logic device (CPLD), power monitoring reset circuit respectively; Described embedded microprocessor MCU also is electrically connected with described communication unit, comprehensive driver element, moving parts control unit; Described programmable logic device (CPLD) and described spectrum data gathering unit, comprehensive driver element and panel are controlled the unit and are electrically connected; Programmable logic device (CPLD) drives the dual port RAM in the spectrum data gathering unit, realizes the data corresponding between central information processing unit and the spectrum data gathering unit, and described programmable logic device (CPLD) drives analog and the digital to analog converter in the comprehensive driver element; Realize of the real-time observing and controlling of central information processing unit to comprehensive drive plate; Described programmable logic device (CPLD), Boolean value output sensor interface and the switching value driving interface controlled in the unit with comprehensive driver element and panel are electrically connected, and each switching value information is carried out logical combination in CPLD; Through these switching values, realize the real-time observing and controlling of Instrument working state by MCU.
Further; Described communication unit comprises ethernet controller A, ethernet controller B, asynchronous serial communication control, RS232 transceiver, network transformer A, network transformer B, RJ45 socket A, RJ45 socket B and DB9 socket; Described ethernet controller A and network transformer A, RJ45 socket A are electrically connected; Be connected with the instrument outer computer through RJ45 socket A, realize communicating by letter between such analytical instrument and the outer computer workstation; Described ethernet controller B and network transformer B, RJ45 socket B are electrically connected, and are connected with computingmachine or other peripheral hardware with the instrument external debug through RJ45 socket B, realize the ethernet communication between such analytical instrument and other expanding peripherals; Said asynchronous serial communication control and RS232 transceiver, DB9 socket are electrically connected, and through the DB9 socket, realize that MCU has the control and the monitoring of Asynchronous Serial Interface parts to such analytical instrument inside.
Further; Said spectrum data gathering unit comprises embedded from treater DSP1, two-port RAM, analog, analog signal conditioner circuit and multi-voltage power supply supervision reset circuit; Said embedded from treater DSP1 and two-port RAM, analog, multi-voltage power supply keep watch on reset circuit, multi-voltage power supply is kept watch on reset circuit and is electrically connected, said analog signal conditioner circuit and analog are electrically connected, after the ccd output signal that the photo-sensor driver element is amplified is nursed one's health; Convert digital information to by analog; The driving sequential of CCD is produced by DSP1, and the CCD sequential driving circuit in the photo-sensor driver element is amplified to CCD and drives required level, when preface drives at this moment; DSP1 gathers digitized ccd output signal; And be packaged into data packet according to the current sequential of CCD, through two-port RAM, the optical information that CCD is gathered is transferred to the central information processing unit.
Further, said photo-sensor driver element comprises charge coupled device ccd, CCD refrigeration pilot circuit, CCD sequential driving circuit, CCD output amplifier, CCD feed circuit.Said charge coupled device CCD and CCD refrigeration pilot circuit, CCD sequential driving circuit, CCD output amplifier, CCD feed circuit are electrically connected; The refrigeration control end of said CCD refrigeration pilot circuit and CCD all is electrically connected, and the inner cooler of control CCD is worked CCD under lower temperature; To increase the SNR of CCD; Said CCD sequential driving circuit and spectrum data gathering unit are electrically connected, and will be driven sequential by the CCD that the spectrum data gathering unit produces and amplify, under the working order that is operated in requirement of driven CCD; Said CCD output amplifier is connected with the output terminal of CCD; Be used to amplify the output signal of CCD, the signal after the amplification exports the spectrum data gathering unit to, is gathered and is changed by the spectrum data gathering unit.
Further; Said comprehensive driver element comprises that analog A, analog B, digital to analog converter, Working environment generate parts sequential driving circuit, Working environment generates parts power amplification circuit, Working environment generation parts controlled volume transducing signal modulate circuit, envrionment temperature transducing signal modulate circuit, power supply volts DS sampling circuit, special voltage formation component interface modulate circuit, optical component interface modulate circuit and instrument state Boolean value output sensor observation circuit; Said analog A and Working environment generate parts controlled volume transducing signal modulate circuit and are electrically connected; Said analog A and central information processing unit are electrically connected; Generate the controlled volume of device by the control of the MCU in central information processing unit collecting work environment; Said analog B and envrionment temperature transducing signal modulate circuit, power supply volts DS sampling circuit, special voltage formation component interface modulate circuit, optical component interface modulate circuit are electrically connected; Said analog B and central information processing unit are electrically connected; Gather envrionment temperature sensed values, power supply dc voltage value, special voltage formation component output charge value and optical module Output optical power value by the control of the MCU in the central information processing unit; Said analog and special voltage formation component interface modulate circuit, optical component interface modulate circuit are electrically connected; Said digital to analog converter and central information processing unit are electrically connected; By the suitable analog quantity of the control of the MCU in central information processing unit digital to analog converter conversion output; Control special voltage formation component and optical module are operated under the given working order; Said Working environment generates parts sequential driving circuit and Working environment generation parts power amplification circuit is electrically connected; Drive Working environment and generate function such as parts realization fixed temperature and humidity, the CPLD that said Working environment generates in parts sequential driving circuit and the central information processing unit is electrically connected, and produces the controlled volume control sequential that Working environment generates device by the MCU in the central information processing unit; Be transferred to Working environment through CPLD and generate parts sequential driving circuit, the CPLD in said instrument state Boolean value output sensor observation circuit and the central information processing unit is electrically connected.
Further; Said moving parts control unit comprises embedded from treater DSP2, static memory, multi-voltage power supply supervision reset circuit, stepper motor driver A, stepper motor driver B, stepper motor driver C, stepper motor driver D, solenoid driver circuit and positioned sensor interface; Describedly embeddedly keep watch on reset circuit, stepper motor driver A, stepper motor driver B, stepper motor driver C, stepper motor driver D from treater DSP2 and static memory, multi-voltage power supply; Solenoid driver circuit, positioned sensor interface are electrically connected; Motion motor is electrically connected in said stepper motor driver and the instrument; Drive motion components is accomplished sample introduction or other operation; Electro-magnet is electrically connected in said solenoid driver circuit and the instrument, drives the opening and closing movement of electromagnetic valve, and the positioned sensor of moving parts is electrically connected in said positioned sensor interface and the instrument; The positional information of moving parts is transferred to embedded from treater DSP2, the execution of DSP2 monitoring and controls movement parts.
Further; Said panel is controlled the unit and is comprised illumination touch-controlling interface, reseting interface, sample introduction mechanism operating and controlling interface, environment temperature sensor, instrument state display module and acoustic alarm assembly; Said illumination touch-controlling interface is electrically connected through connector and instrument internal lighting circuit; Realize the break-make control of lighting circuit, said reseting interface is electrically connected through connector and logical circuit and embedded microprocessor MCU, the function that resets of realization operating panel; Said sample introduction mechanism operating and controlling interface is electrically connected through connector and logical circuit and embedded microprocessor MCU, realizes the sample introduction mechanism manipulation function of operating panel; Described environment temperature sensor is electrically connected with comprehensive driver element, after comprehensive driver element carries out analog, reads and keep watch on instrument variation of ambient temperature of living in by embedded microprocessor MCU; Instrument state display module and acoustic alarm assembly are electrically connected through driving circuit and embedded microprocessor MCU, the working order of display instrument, and occur sending sound and light alarm when unusual in instrument work.
Beneficial effect of the present invention is:
(1) the present invention has realized whole requirements of genetic analysis instrument hardware design; Control processing enter as all core components in the instrument; It can monitor the working order of each parts; Organize each parts to require co-ordination, control each parts automatically and be operated in (like specified temperature, voltage, electric current) under the specified state according to the regular hour; Carry out real-time data corresponding with each parts; Carry out communication with outer computer, accept the management of external host; When instrument went wrong, the present invention sent sound and light alarm, and in time outer computer was informed at position that goes wrong and state; When instrument starts, the state of health of each parts of self-verifying model machine of the present invention; Its function satisfies the use of genetic analysis instrument fully;
(2) unique master-slave mode hardware design structure, the distributing operational mode of the present invention, well solved multi-functional, the high precision of a plurality of complex component, in real time, reliable, safety, stable, orderly function efficiently;
(3) the present invention divides according to function, on hardware is realized, is made up of the polylith circuit card, and the hardware resource allocation proportion is suitable, is convenient to the maintenance and the upgrading of hardware circuit, and very strong hardware capability expansion and upgrading ability are arranged;
(4) be embedded in the formula primary processor based on central information processing of the present invention unit; Can move the embedded TT&C software of multi-thread software framework; Level and functional module are divided rationally, effectively improve the real-time of TT&C system, have strengthened the function expansion and the upgrading ability of system again;
(5) the present invention adopts the ccd data collection and the type of transmission of two-port RAM design; Utilize corresponding data gathering transmission and communications protocol; Realized the complex time sequence of charge coupled device ccd is driven and control; Make that data output and sequential control are synchronous, realized conversion, the storage of data, the synchronous working of transmission;
(6) key logic of the present invention and safety protection function all adopt hard logic realizations such as CPLD, and working stability is reliable, has good immunity from interference.
Description of drawings
Fig. 1 is the hardware block diagram of the genetic analysis instrument that is suitable for of the present invention.
Fig. 2 is based on the connection block diagram of the genetic analysis instrument TT&C system of embedded technology.
Fig. 3 is the unitary hardware block diagram of central information processing.
Fig. 4 is the hardware block diagram of communication unit
Fig. 5 is the hardware block diagram of photo-sensor driver element
Fig. 6 is the unitary hardware block diagram of spectrum data gathering
Fig. 7 is the hardware block diagram of comprehensive driver element
Fig. 8 is the hardware block diagram of moving parts control unit
Fig. 9 is that panel is controlled unitary hardware block diagram
Embodiment:
Combine accompanying drawing and embodiment that the present invention is done further description at present.
Central information processing unit in the present embodiment adopts 16/32 RISC embedded microprocessor based on the ARM920T kernel of Samsung; Plenty hardware resources such as lcd controller, 4 PWM timers, 4 passage DMA, USB principal and subordinate interface, 3 UART etc. are contained in inside; Running frequency can reach 203MHz; Can realize 10M/100M Ethernet interface, USB interface and serial communication easily; Satisfy system data transmission and the needs of communicating by letter, its abundant I/O and PWM interface can be realized complicated detection and function simultaneously.
The TMS320F2812DSP that spectrum data gathering unit in the present embodiment and moving parts control unit adopt TI company respectively as embedded from treater; This treater is powerful a in the motion control chip, can realize the High Accuracy Control of multiple electric motors and the generation of complex time sequence.Three treaters have constituted the TT&C system of organic multi-processor, have disperseed the observing and controlling load and the failure risk of treater, have improved the real-time and the safety of TT&C system.
The unitary core of central information processing in the present embodiment is made up of embedded microprocessor, 12MHz crystal oscillator, 64MB SDRAM internal storage, 64MB program store, the 2Kb EEPROM data-carrier store of ARM920T kernel, as minimum system.This unit also adopts the PLD MAX3256 of ALTERA company and spectrum data gathering unit to be electrically connected with comprehensive driver element; Drive the dual port RAM in the spectrum data gathering unit; Realize the data corresponding between central information processing unit and the spectrum data gathering unit; MAX3256 drives analog and the digital to analog converter in the comprehensive driver element simultaneously; Realization is to the real-time observing and controlling of comprehensive drive plate, and MAX3256 also is electrically connected with Boolean value output sensor interface and the switching value driving interface that comprehensive driver element and panel are controlled in the unit, and each switching value information is carried out logical combination in MAX3256; Through these switching values, realize the real-time observing and controlling of Instrument working state by MCU.MCU also is connected with communication unit with address bus through its DB, and the UART interface through chip internal is connected with the moving parts control unit.The unitary voltage of supply of central information processing is 5V.Be the reduction power consumption, device is all elected the 3.3V power supply as on the plate except that MCU core circuit (employing 1.8V power supply), therefore designs three road 3.3V power supply changeover devices, is respectively the driving of plate level interface, communication interface driving, the power supply of MCU minimum system; Design one road 1.8V power supply changeover device, be the core circuit power supply of MCU.The power monitoring chip that resets adopts MAX811 to form, and crucial voltage is kept watch on, when associated voltage drops to a certain limit value; MAX811 resets to MCU; To guarantee system works under the working conditions of confirming, prevent that logic is disorderly, man-machine safety is worked the mischief.
Communication unit in the present embodiment is made up of ethernet controller CS8900, ethernet controller DM9000, asynchronous serial communication control ST16C550, RS232 transceiver MAX3243, the RJ45 socket B and the DB9MALE socket that have the RJ45 socket A of network isolation function and have a network isolation function.Wherein, Ethernet controller CS8900 is driven by a 20MHz crystal oscillator; Ethernet controller DM9000 is driven by a 25MHz crystal oscillator, and two units are connected with DB, the address bus of central information processing unit MCU, realizes communicating by letter with central information processing is unitary.CS8900 is connected with the RJ45 socket A that has network isolation function, and the RJ45 socket is connected with the instrument outer computer more thus, realizes communicating by letter between instrument and the outer computer workstation; DM9000 is connected with the RJ45 socket B that has network isolation function, and the RJ45 socket is connected with computingmachine or other peripheral hardware with the instrument external debug thus, realizes the ethernet communication between instrument and other expanding peripherals.Similarly; Asynchronous serial communication control ST16C550 is driven by the crystal oscillator of a 14.7456MHz; Upwards be connected with DB, the address bus of central information processing unit MCU; Be connected with MAX3243 downwards,, realize that MCU has the control and the monitoring of Asynchronous Serial Interface parts to instrument internal by the DB9MALE jack interface.
Spectrum data gathering unit in the present embodiment is made up of from treater TMS320F2812,256K * 18bit two-port RAM IDT70V631S, 16bit analog ADS8505, analog signal conditioner circuit, multi-voltage power supply supervision reset circuit embedded.Embeddedly produce to drive CCD and Mgs the sequential control photo-sensor driver element through the I/O mouth from treater TMS320F2812; Provide different CCD to drive opening of sequential and Mgs according to the different operating state, make the CCD chip operation under corresponding drainage pattern with closed; The ccd output signal that the photo-sensor driver element amplifies is after conditioning; ADS8505 converts numerary signal to by analog; Be packaged into data packet by TMS320F2812 according to the current sequential of CCD, be transferred to the central information processing unit through two-port RAM IDT70V631S.The driving power voltage of CCD chip causes the input terminus of 12 analog-to-digital conversion modules that TMS320F2812 carries through bleeder circuit, monitors after converting digital quantity to, realizes the multi-voltage power supply function for monitoring.
The CCD sequential driver element of present embodiment adopts switching transistor, pull down resistor, power drive unicircuit and rear end matched resistance to form.Because apparatus structure space constraint; CCD chip and CCD sequential driving circuit lay respectively in two different module; Driving circuit need come the driven CCD chip through about 1 meter long flat cable; Therefore the CCD sequential driving circuit that requires to be designed should have very strong power drive ability and precise impedance matching capacity, so that make the CCD chip can export the spectral signal of high s/n ratio.Present embodiment is selected switching transistor and pull down resistor combination for use; The CCD driving pulse amplitude (0-3.3V) of DSP1 output is adjusted to-8V to 2.6V between; Be input to then in the power drive unicircuit; Make the driving pulse amplitude adjust to-8V is between+the 6V, thereby reach the requirement of CCD chip drives level.This unicircuit has not only increased the power of each road CCD driving pulse, but also rising, negative edge and the amplitude of each road pulse are adjusted, and makes it can satisfy the requirement of driven CCD chip.Realized accurate drive controlling to the CCD chip.This unit is also responsible for the CCD semiconductor chilling plate power supply is provided; Mimic channel through operational amplifier is formed is controlled refrigeration temperature; Simultaneously, the analog electrical signal of corresponding this temperature being transferred to comprehensive driver element carries out reaching the real-time monitoring that the central information processing unit carries out the CCD working temperature after the analog.
Analog A in the comprehensive driver element of present embodiment adopts the ADS8328 chip of TI company; Working environment generates parts controlled volume transducing signal through behind the signal conditioning circuit; Insert the analog input interface of ADS8328 through the RC low-pass filter circuit; After converting digital quantity to via the ADS8328 internal circuit, send the central information processing unit to by the digital interface of ADS8328.Working environment in the comprehensive driver element of present embodiment generates parts controlled volume transducing signal modulate circuit and is made up of two-stage calculation amplifying circuit, pressure limiting circuit; It converts sensor signal to voltage analog, and voltage analog is defined in the scope of analog A requirement.
Analog B in the comprehensive driver element of present embodiment adopts the TLV2556 chip of TI company; This chip can be imported 10 tunnel simulating signals at most; After analog quantity becomes digital quantity via the chip internal circuit conversion, link to each other with the central information processing unit via the digital interface of TLV2556.The analog quantity of this circuit conversion mainly contains: the monitoring variable of the current monitoring amount of optical module output rating monitoring variable, optical module outward current monitoring variable, the output of special voltage formation component, the monitoring variable of special voltage formation component output voltage, ambient temperature monitoring variable, CCD temperature monitoring amount, special voltage formation component control voltage and system's service voltage etc.Wherein CCD temperature monitoring amount is provided by CCD sequential driver element; The monitoring variable system of system's service voltage obtains through dividing potential drop by directly filling service voltage; The output rating monitoring variable of optical module and optical module current monitoring amount are via optical component interface modulate circuit conditioning back input TLV2556; The sampling amount of special voltage formation component current monitoring amount, special voltage formation component output voltage monitoring variable, special voltage formation component outward current is imported TLV2556 after via special voltage formation component signal conditioning circuit, and the envrionment temperature monitoring variable is imported TLV2556 behind the signal condition unit under it.
Analog-digital chip in the comprehensive driver element of present embodiment adopts the DAC7552 chip of TI company; This chip can convert the digital quantity that the central information processing unit sends to desired two-way simulating signal, is respectively applied for the output voltage of control special voltage formation component or the output rating of optical module.
The timing control unit that Working environment in the comprehensive driver element of present embodiment generates parts is made up of digital logic chip; The input signal of this logical circuit links to each other with central processing unit; Output interface generates parts driving/power control unit with Working environment and links to each other, and generates functions such as the intensification of parts, cooling, constant temperature, constant humidity to realize Working environment.
Moving parts control unit in the present embodiment is made up of from treater TMS320F2812,256K static memory IS61LV25616, multi-voltage power supply supervision reset circuit TPS3307, electric motor driving device TB6560 and high-power driving device transistor etc. embedded.Motion control unit is realized serial communication through 2812 built-in UART module and central information processing unit, receives upper computer order and execution; Realize four Stepping Motor Control are driven associated components respectively and move to specified location through latch 74LVTH16373 and motor driver TB6560; Collection through bus driver 74LVTH16244 realization position sensor signal comprises initial point photoelectric switching signal and photoelectric encoder orthogonal pulses signal; Adhesive through high-power driving transistor controls electro-magnet with open, realize on-off control to related pathways; This unit adopts TPS3307 that voltage of supply monitoring and reset function in real time are provided, and adopts PLD to realize the required geocoding logic in unit.
Panel is controlled the unit and is made up of the touch-screen of acrylic material and the touch control circuit plate that fits tightly with it in the present embodiment.Touch-screen is printed on sample introduction and illuminated icons.Produce pulse signal through touching sample introduction icon touch sensitive control chip, offer the central information processing unit, sample introduction mechanism is carried out corresponding control; Make the logical circuit output level on the control circuit board overturn through touching illuminated icons, realize the switching function of cabinet inside head light.Reseting interface adopts 12 * 12 paster buttons to constitute among the embodiment, leaves 1mm～2mm circular hole at the touch-screen edge, can pass through this hole, adopts tiny rod shape thing to stretch into, and touches this button, realizes reset function.Environment temperature sensor adopts thermistor among the embodiment, and this thermistor is connected to the central information processing unit through printed board and flexible cord, carries out temperature monitoring by it; Instrument state display module among the embodiment is made up of a Tricolor LED assembly; Its drive element is three triodes; Each triode drives of the same colour luminous in Tricolor LED; Acoustic alarm assembly among the embodiment is made up of the passive electrical magnetic-type hummer of direct current 5V power supply and the triode that drives its sounding, and the central information processing unit is according to the working order of instrument, sends instrument state by the I/O mouth of embedded microprocessor MCU to instrument state display module driving circuit and indicates; Send ruddiness, green glow or gold-tinted through Tricolor LED; With the mode of normal bright or flash of light working order, when major fault appears in the instrument operation, be accompanied by the redness flash of light of instrument state display module to operator's indicating instrument; Embedded microprocessor MCU forms audible ringing signal through the clock internal circuit, drives hummer by triode and sends audible warning.
Although through some preferred embodiment with reference to invention; Invention is described; But those of ordinary skill in the art should be appreciated that and can make various changes to it in form with on the details, and the spirit and scope of the present invention that do not depart from appended claims and limited.
Claims (9)
1. genetic analysis instrument TT&C system based on embedded technology; It is characterized in that; Comprise: central information processing unit, communication unit, spectrum data gathering unit, photo-sensor driver element, comprehensive driver element, moving parts control unit and panel are controlled the unit; Said central information processing unit is controlled the unit and is all linked to each other with communication unit, spectrum data gathering unit, comprehensive driver element, moving parts control unit, panel, and said spectrum data gathering unit links to each other with the photo-sensor driver element.
2. according to the described genetic analysis instrument TT&C system of claim 1 based on embedded technology; It is characterized in that; Described central information processing unit comprises an embedded primary processor, described spectrum data gathering unit and moving parts control unit comprise respectively one embedded from treater.
3. according to the described genetic analysis instrument TT&C system of claim 1 based on embedded technology; It is characterized in that; Described central information processing unit comprises embedded microprocessor MCU, crystal oscillator, internal memory, program store, data-carrier store, programmable logic device (CPLD) and power monitoring reset circuit; Described embedded microprocessor MCU is electrically connected with crystal oscillator, internal memory, program store, data-carrier store, programmable logic device (CPLD), power monitoring reset circuit respectively; Described embedded microprocessor MCU and described communication unit, comprehensive driver element, moving parts control unit all are electrically connected; Described programmable logic device (CPLD) and described spectrum data gathering unit, comprehensive driver element and panel are controlled the unit and all are electrically connected; Said programmable logic device (CPLD) drives the dual port RAM of realizing data corresponding between central information processing unit and the spectrum data gathering unit in the spectrum data gathering unit; Said programmable logic device (CPLD) drives and realizes analog and the digital to analog converter of central information processing unit to the real-time observing and controlling of comprehensive drive plate in the comprehensive driver element; The programmable logic device (CPLD) of said realization switching value infologic combination is electrically connected with Boolean value output sensor interface and switching value driving interface that comprehensive driver element and panel are controlled in the unit, and said MCU realizes the real-time observing and controlling of Instrument working state through said switching value.
4. according to the described genetic analysis instrument TT&C system of claim 1 based on embedded technology; It is characterized in that; Described communication unit comprises ethernet controller A, ethernet controller B, asynchronous serial communication control, RS232 transceiver, network transformer A, network transformer B, RJ45 socket A, RJ45 socket B and DB9 socket; Said ethernet controller A and network transformer A are electrically connected, network transformer A is electrically connected with RJ45 socket A then; Said RJ45 socket A is connected with the instrument outer computer; Described ethernet controller B and network transformer B are electrically connected, network transformer B is electrically connected with RJ45 socket B then, and said RJ45 socket B is connected with computingmachine or expanding peripherals with the instrument external debug; Said asynchronous serial communication control and RS232 transceiver are electrically connected, the RS232 transceiver is electrically connected with the DB9 socket then.
5. according to the described genetic analysis instrument TT&C system of claim 1 based on embedded technology; It is characterized in that; Said spectrum data gathering unit comprises embedded from treater DSP1, two-port RAM, analog, analog signal conditioner circuit and multi-voltage power supply supervision reset circuit; Saidly embeddedly keep watch on reset circuit and all be electrically connected from treater DSP1 and two-port RAM, analog, multi-voltage power supply, said analog signal conditioner circuit is electrically connected with the analog that the CCD output conditioned signal that said photo-sensor driver element is amplified converts digital information to;
The CCD sequential driving circuit of CCD driving sequential in the photo-sensor driver element that is produced by DSP1 is amplified to the required level of CCD driving; When preface drives at this moment; Said DSP1 gathers digitized ccd output signal; And be packaged into data packet according to the current sequential of CCD, through said two-port RAM the optical information that CCD gathers is transferred to the central information processing unit.
6. according to the described genetic analysis instrument TT&C system of claim 1 based on embedded technology; It is characterized in that; Said photo-sensor driver element comprises charge coupled device ccd, CCD refrigeration pilot circuit, CCD sequential driving circuit, CCD output amplifier and CCD feed circuit; Said charge coupled device CCD and CCD refrigeration pilot circuit, CCD sequential driving circuit, CCD output amplifier, CCD feed circuit all are electrically connected; The CCD refrigeration pilot circuit of the inner cooler of said control CCD and the refrigeration control end of CCD are electrically connected; Said will being electrically connected by CCD sequential driving circuit and the spectrum data gathering unit that the CCD driving sequential that the spectrum data gathering unit produces is amplified; Said CCD output amplifier is connected with the output terminal of CCD, and the signal after the amplification exports the spectrum data gathering unit to, is gathered and is changed by the spectrum data gathering unit.
7. according to the described genetic analysis instrument TT&C system of claim 1 based on embedded technology; It is characterized in that; Said comprehensive driver element comprises that analog A, analog B, digital to analog converter, Working environment generate parts sequential driving circuit, Working environment generates parts power amplification circuit, Working environment generation parts controlled volume transducing signal modulate circuit, envrionment temperature transducing signal modulate circuit, power supply volts DS sampling circuit, special voltage formation component interface modulate circuit, optical component interface modulate circuit and instrument state Boolean value output sensor observation circuit; Said analog A and Working environment generate parts controlled volume transducing signal modulate circuit and are electrically connected; Said analog A and central information processing unit are electrically connected; Generate the controlled volume of device by the control of the MCU in central information processing unit collecting work environment; Said analog B and envrionment temperature transducing signal modulate circuit, power supply volts DS sampling circuit, special voltage formation component interface modulate circuit, optical component interface modulate circuit all are electrically connected; Said analog B and central information processing unit are electrically connected; Gather envrionment temperature sensed values, power supply dc voltage value, special voltage formation component output charge value and optical module Output optical power value by the control of the MCU in the central information processing unit; Said analog and special voltage formation component interface modulate circuit, optical component interface modulate circuit all are electrically connected; Said digital to analog converter and central information processing unit are electrically connected; By the working order of the control of the MCU in central information processing unit digital to analog converter conversion output analog quantity with control special voltage formation component and optical module; Said Working environment generates parts sequential driving circuit and Working environment generation parts power amplification circuit is electrically connected to drive the function that Working environment generates parts realization fixed temperature and humidity; The CPLD that said Working environment generates in parts sequential driving circuit and the central information processing unit is electrically connected; Produce the controlled volume control sequential that Working environment generates device by the MCU in the central information processing unit, be transferred to Working environment through CPLD and generate parts sequential driving circuit, the CPLD in said instrument state Boolean value output sensor observation circuit and the central information processing unit is electrically connected.
8. according to the described genetic analysis instrument TT&C system of claim 1 based on embedded technology; It is characterized in that; Said moving parts control unit comprises embedded from treater DSP2, static memory, multi-voltage power supply supervision reset circuit, stepper motor driver A, stepper motor driver B, stepper motor driver C, stepper motor driver D, solenoid driver circuit and positioned sensor interface; Describedly embeddedly keep watch on reset circuit, stepper motor driver A, stepper motor driver B, stepper motor driver C, stepper motor driver D from treater DSP2 and static memory, multi-voltage power supply; Solenoid driver circuit, positioned sensor interface all are electrically connected; Motion motor is electrically connected in said stepper motor driver and the instrument; Electro-magnet is electrically connected in said solenoid driver circuit and the instrument; The positioned sensor of moving parts is electrically connected in said positioned sensor interface and the instrument, the positional information of moving parts is transferred to embedded from treater DSP2, by the execution of DSP2 monitoring and controls movement parts.
9. according to the described genetic analysis instrument TT&C system of claim 1 based on embedded technology; It is characterized in that; Said panel is controlled the unit and is comprised illumination touch-controlling interface, reseting interface, sample introduction mechanism operating and controlling interface, environment temperature sensor, instrument state display module and acoustic alarm assembly; Said illumination touch-controlling interface is electrically connected to realize the break-make control of lighting circuit through connector and instrument internal lighting circuit, and said reseting interface is electrically connected the control that resets with the realization operating panel through connector and logical circuit and embedded microprocessor MCU; Said sample introduction mechanism operating and controlling interface is controlled through the sample introduction mechanism that connector and logical circuit and embedded microprocessor MCU are electrically connected to realize operating panel; Said environment temperature sensor is electrically connected with comprehensive driver element, and the temperature sensor signal of said environment temperature sensor output reads and keep watch on instrument variation of ambient temperature of living in by embedded microprocessor MCU after comprehensive driver element carries out analog; Instrument state display module and acoustic alarm assembly are electrically connected the working order with display instrument through driving circuit and embedded microprocessor MCU, and sound and light alarm occurs sending when unusual in instrument work.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202688893U CN202193791U (en) | 2011-07-27 | 2011-07-27 | Measurement and control system of gene analytical instrument based on embedded technology |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202688893U CN202193791U (en) | 2011-07-27 | 2011-07-27 | Measurement and control system of gene analytical instrument based on embedded technology |
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| CN202193791U true CN202193791U (en) | 2012-04-18 |
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| CN2011202688893U Expired - Fee Related CN202193791U (en) | 2011-07-27 | 2011-07-27 | Measurement and control system of gene analytical instrument based on embedded technology |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102321534A (en) * | 2011-07-27 | 2012-01-18 | 公安部第一研究所 | Measuring and control system of gene analysis instrument based on embedded technique |
| CN105629780A (en) * | 2014-12-01 | 2016-06-01 | 深圳华大基因研究院 | Gene sequencing instrument, control device and method of gene sequencing instrument |
| CN112600880A (en) * | 2020-12-01 | 2021-04-02 | 南京溯远基因科技有限公司 | Edge calculation device and method based on gene data acquisition and analysis |
-
2011
- 2011-07-27 CN CN2011202688893U patent/CN202193791U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102321534A (en) * | 2011-07-27 | 2012-01-18 | 公安部第一研究所 | Measuring and control system of gene analysis instrument based on embedded technique |
| CN102321534B (en) * | 2011-07-27 | 2013-10-02 | 公安部第一研究所 | Measuring and control system of gene analysis instrument based on embedded technique |
| CN105629780A (en) * | 2014-12-01 | 2016-06-01 | 深圳华大基因研究院 | Gene sequencing instrument, control device and method of gene sequencing instrument |
| CN112600880A (en) * | 2020-12-01 | 2021-04-02 | 南京溯远基因科技有限公司 | Edge calculation device and method based on gene data acquisition and analysis |
| CN112600880B (en) * | 2020-12-01 | 2022-06-07 | 南京溯远基因科技有限公司 | Edge calculation device and method based on gene data acquisition and analysis |
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