CN102065246A - Integrated time sequence control system for CCD camera - Google Patents
Integrated time sequence control system for CCD camera Download PDFInfo
- Publication number
- CN102065246A CN102065246A CN2009102189303A CN200910218930A CN102065246A CN 102065246 A CN102065246 A CN 102065246A CN 2009102189303 A CN2009102189303 A CN 2009102189303A CN 200910218930 A CN200910218930 A CN 200910218930A CN 102065246 A CN102065246 A CN 102065246A
- Authority
- CN
- China
- Prior art keywords
- ccd
- unit
- module
- control system
- camera
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000012545 processing Methods 0.000 claims abstract description 14
- 239000004065 semiconductor Substances 0.000 claims description 16
- 238000004891 communication Methods 0.000 claims description 7
- 230000002093 peripheral effect Effects 0.000 claims description 7
- 238000002347 injection Methods 0.000 claims description 2
- 239000007924 injection Substances 0.000 claims description 2
- 238000013461 design Methods 0.000 abstract description 7
- 230000005540 biological transmission Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- 238000005265 energy consumption Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000006870 function Effects 0.000 description 2
- 238000004088 simulation Methods 0.000 description 2
- 230000000295 complement effect Effects 0.000 description 1
- 238000013500 data storage Methods 0.000 description 1
- 239000000284 extract Substances 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 238000012163 sequencing technique Methods 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
- 239000013585 weight reducing agent Substances 0.000 description 1
Images
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
- Y02D10/00—Energy efficient computing, e.g. low power processors, power management or thermal management
Landscapes
- Studio Devices (AREA)
Abstract
The invention relates to an integrated time sequence control system for a CCD camera, which comprises a system control module 1 and a time sequence module 2 connected with the system control module 1; the system control module 1 is used for scheduling and controlling a time sequence control system; the timing module 2 is used for generating a CCD driving signal, a video processing signal, image frame header data and a chip selection signal. The invention provides an integrated time sequence control system for a CCD camera, which has the advantages of small volume, light weight, low power consumption, strong anti-interference capability, high safety and reliability, flexible design and strong expansion capability.
Description
Technical field
The invention belongs to field of optical systems, relate to a kind of integrated sequential control system of the CCD of being used for camera.
Background technology
The application of CCD camera more and more widely, so the high reliability of CCD camera, lightweight and low-power consumption just seem particularly important.In traditional CCD camera, the driving sequential of CCD chip is produced by independent sequential plate, and the CAN bus communication of CCD camera, the control of CCD temperature, the setting of camera running parameter are finished by independent slave computer plate.The slave computer plate receives remote control command from the Star Service computer from the CAN bus, and injects the running parameter of camera to the sequential plate by electric cabinet base plate line.The weak point of traditional C CD camera design theory is:
1, adopts two blocks of independently sequential plate and slave computer plates, increased volume, weight and the power consumption of camera;
2, the slave computer plate injects the multiple running parameters such as mode of operation, time for exposure, Star Service school time-code of camera to the sequential plate by electric cabinet base plate line, holding wire between two module boards is various and length is longer, be easy to be subjected to external interference, cause the camera misoperation;
3, in the slave computer plate module, CPU need carry out the reading and writing operation to active/standby part of different peripheral hardware such as channel C AN bus control unit, A/D converter, D/A converter and sequential plate FPGA, must design corresponding peripheral hardware address decoding module (how forming), increase the complexity of module by the gate module; And, if made amendment in the peripheral hardware address, must redesign module, make module board, flexibility is very poor.
Therefore, a kind of incorporate sequential control system that is used for the CCD camera of necessary design, significant to the reliability, weight reduction, the reduction power consumption that improve the CCD camera.
Summary of the invention
In order to solve the above-mentioned technical problem that exists in the background technology, the invention provides that little, in light weight low in energy consumption, the antijamming capability of a kind of volume is strong, fail safe and reliability height, flexible design, the integrated sequential control system that is used for the CCD camera that extended capability is strong.
Technical solution of the present invention is: the invention provides a kind of integrated sequential control system of the CCD of being used for camera, its special character is: the integrated sequential control system of the described CCD of being used for camera comprises system control module and the tfi module that links to each other with system control module; Described system control module is responsible for the scheduling and the control of sequential control system; Described tfi module is used to produce CCD drive signal, video signal processing, image frame head data and chip selection signal.
The integrated sequential control system of the above-mentioned CCD of being used for camera also comprises the CAN bus interface module that is used to finish CAN (controller local area network) bus communication affairs, and described CAN bus interface module links to each other with system control module.
The integrated sequential control system of the above-mentioned CCD of being used for camera also comprises the telemetry module that is used to nurse one's health and quantize CCD camera operating voltage and remote temperature sensing signal, and described telemetry module links to each other with system control module.
The integrated sequential control system of the above-mentioned CCD of being used for camera also comprises CCD semiconductor cooler control module, and described CCD semiconductor cooler control module links to each other with system control module.
The said system control module comprises the outer program storage unit (PSU) of CPU, watchdog unit and sheet; Described watchdog unit, the outer program storage unit (PSU) of sheet link to each other with CPU respectively.
Above-mentioned tfi module comprises the camera running parameter grouting socket unit that is used for the receiving system control module and injects, be used to produce the chip selection signal of CAN bus control unit, A/D converter and D/A converter the peripheral hardware address decoding unit, be used to produce the CCD that CCD drives clock signal and drive timing generation unit, be used to the image frame head data generation unit that produces the video signal processing generation unit of video signal processing and be used to produce image frame head data flow.
Above-mentioned CAN bus interface module comprises CAN bus control unit and CAN bus Transmit-Receive Unit; Described CAN bus control unit links to each other with CAN bus Transmit-Receive Unit.
Above-mentioned telemetry module comprises camera voltage and remote temperature sensing signal condition unit and A/D converting unit; Described camera voltage links to each other with the A/D converting unit with remote temperature sensing signal condition unit.
Above-mentioned CCD semiconductor cooler control module comprises D/A converting unit and semiconductor cooler driver element composition; Described D/A converting unit links to each other with the semiconductor cooler driver element.
Advantage of the present invention is:
1, volume is little, in light weight, low in energy consumption.The integrated sequential control system of the CCD of being used for camera provided by the present invention is to adopt a sequencing control plate to substitute the sequential plate and the slave computer plate of traditional C CD camera, and the integrated level height has reduced volume, weight and the power consumption of camera;
2, strong, fail safe of antijamming capability and reliability height.The integrated sequential control system that is used for the CCD camera provided by the present invention injects the running parameters such as mode of operation, time for exposure and Star Service school time-code of camera to the camera running parameter grouting socket unit of tfi module by the outer data of the sheet of the central processing unit of system control module, address and control bus, overcome in the traditional C CD camera sequential plate and slave computer plate and realized by electric cabinet base plate line that parameter is injected and introduce the shortcoming of disturbing easily, improved antijamming capability; Simultaneously, system provided by the present invention is because the logical device of central processing unit (CPU) and tfi module is selected the Q level processor (80C32E) of atmel corp and the Q level FPGA (A54SX32A) of ACTEL company respectively for use, two core devices all have stronger anti-irradiation ability and successful flight experience, software adopts fault-tolerant design, has guaranteed fail safe and reliability that camera integrated sequential control system is used in the space;
3, flexible design, extended capability are strong.The FPGA of the integrated sequential control system tfi module of the CCD of being used for camera provided by the present invention adopts VHDL language to develop, and flexibility and extended capability are very strong.
Description of drawings
Fig. 1 is the structural representation of system provided by the present invention;
Fig. 2 is the preferred embodiment structural representation that is used for the integrated sequential control system of CCD camera provided by the present invention;
Fig. 3 is system control module 1 injects a course of work schematic diagram from the camera running parameter to tfi module 2;
Fig. 4 is the course of work schematic diagram of CAN bus communication transaction;
Fig. 5 is the course of work schematic diagram of CCD closed loop thermal control;
The course of work schematic diagram that Fig. 6 gathers for telemetry parameter.
Embodiment
The present invention is further illustrated below in conjunction with the drawings and specific embodiments.
Referring to Fig. 1 and Fig. 2, the invention provides a kind of integrated sequential control system of the CCD of being used for camera, but this system is made up of the telemetry module 4 and the CCD semiconductor cooler control module 5 of system control module 1, tfi module 2, CAN bus interface module 3 surveying work voltages and temperature, and tfi module 2, CAN bus interface module 3, telemetry module 4 and CCD semiconductor cooler control module 5 link to each other with system control module 1 respectively.The integrated sequential control system of the CCD of being used for camera provided by the present invention is mainly finished following several functions:
1, produces photosensitive area and shift pulse, memory block transfer pulse, horizontal shifting register read pulse, sense amplifier reset pulse and remove gate pulse, amount to 15 road CCD and drive clock signal;
2, realize and the communication of satellite by the CAN bus, receive remote control, telemetry command, the echo reply frame from the Star Service computer;
3, realize the closed loop thermal control of CCD;
4, finish the collection of telemetry parameters such as camera operating voltage, temperature.
System control module 1 is made up of CPU11, watchdog unit 12, the outer program storage unit (PSU) 13 of sheet, mainly realizes following function:
1) control CAN bus interface module 3, finish the communication with the Star Service computer, comprise receiving remote control, telemetry command, return remote control, telemetry command acknowledgement frame;
2) inject the running parameters such as mode of operation, time for exposure and Star Service school time-code of cameras to tfi module 2;
3) gather 8 tunnel telemetries such as camera operating voltage from camera telemetry module 4, CCD camera working temperature, camera focal plane box ambient temperature.
Referring to shown in Figure 3, system control module 1 to the course of work that tfi module 2 injects the camera running parameter is: the remote control that CAN bus control unit 31 receives from the Star Service computer by CAN bus Transmit-Receive Unit 32, instruct when telemetry command and Star Service school, system control module 1 reads and is stored in the director data in the CAN bus control unit 31 reception buffer registers and extracts the camera running parameter, system control module 1 is by the outer data of the sheet of CPU11, address and control bus are to the running parameter and the Star Service school time-code of tfi module 2 injection cameras, and tfi module 2 produces corresponding C CD drive signal according to the camera running parameter that injects again, video signal processing and image frame head data flow export camera focal plane circuit and video processing circuits to.
As shown in Figure 2, CAN bus interface module 3 is made up of CAN bus control unit 31 and CAN bus Transmit-Receive Unit 32, and these two is the media of exchange message between system control module 11 and the Star Service computer.CAN bus control unit 31 passes through remote control, the telemetry command that CAN bus Transmit-Receive Unit 32 receives from the Star Service computer, and instruction data storage is read for system control module 1 in receiving buffer register; System control module 1 writes remote control, telemetry command reply data in the transmission buffer register of CAN bus control unit 31 and starts and sends, and CAN bus control unit 31 returns remote measurement, remote control command acknowledgement frame by CAN bus Transmit-Receive Unit 32 to the Star Service computer.
As shown in Figure 4, the course of work of CAN bus communication transaction is: CAN bus control unit 31 receives the instruction of giving the correct time of remote control, telemetry command and Star Service from the Star Service computer by CAN bus Transmit-Receive Unit 32, and system control module 1 reads the director data that is stored in the reception buffer register and director data is differentiated.If be remote control command, then system control module 1 carries out corresponding remote control command setting earlier, the remote control command reply data is write in the transmission buffer register of CAN bus control unit 31 again and start and send, CAN bus control unit 31 returns the remote control command acknowledgement frame by CAN bus Transmit-Receive Unit 32 to the Star Service computer; If be telemetry command, system control module 1 is at first gathered camera voltage and remote temperature sensing data, it is write in the transmission buffer register of CAN bus control unit 31 again and start and send, CAN bus control unit 31 returns the telemetry command acknowledgement frame by CAN bus Transmit-Receive Unit 32 to the Star Service computer; If be the Star Service instruction of giving the correct time, then system control module 1 injects timing code to tfi module 2.
As shown in Figure 2, CCD semiconductor cooler control module 5 is made up of D/A converting unit 51 and semiconductor cooler driver element 52, D/A converting unit 51 is converted to corresponding simulation temperature signal with 8 megadyne temperature degree control signals of system control module 1 output, exports semiconductor cooler driver element 52 to.
As shown in Figure 5, the course of work of CCD closed loop thermal control is: at first read CCD camera working temperature from camera operating voltage and remote temperature sensing module 4 by system control module 1, compare with CCD camera settings temperature, produce temperature error signal, produce 8 controlled quentity controlled variables and export to CCD camera semiconductor cooler control module 5 through the digital PID computing, realize the closed loop thermal control of CCD camera.
As shown in Figure 2, telemetry module 4 is made up of camera voltage and remote temperature sensing signal condition unit 41 and A/D converting unit 42.The polarity and the amplitude of 41 pairs of camera operating voltages in signal condition unit and temperature simulation telemetered signal are adjusted, and make it to be complementary with the range of A/D converting unit 42; 42 pairs of voltages of A/D converting unit and temperature signal quantize, and read for system control module 1.
As shown in Figure 6, the course of work of telemetry parameter collection is: after the telemetered signal that camera voltage and remote temperature sensing signal condition unit 41 collect is handled by A/D converting unit 42, by system control module 1 it is write in the transmission buffer register of CAN bus control unit 31 and starts and send, CAN bus control unit 31 returns the telemetry command acknowledgement frame by CAN bus Transmit-Receive Unit 32 to the Star Service computer.
Claims (9)
1. integrated sequential control system that is used for the CCD camera, it is characterized in that: the integrated sequential control system of the described CCD of being used for camera comprises system control module and the tfi module that links to each other with system control module; Described system control module is responsible for the scheduling and the control of sequential control system; Described tfi module is used to produce CCD drive signal, video signal processing, image frame head data and chip selection signal.
2. the integrated sequential control system that is used for the CCD camera according to claim 1, it is characterized in that: the integrated sequential control system of the described CCD of being used for camera also comprises the telemetry module that is used to nurse one's health and quantize CCD camera operating voltage and remote temperature sensing signal, and described telemetry module links to each other with system control module.
3. the integrated sequential control system that is used for the CCD camera according to claim 2, it is characterized in that: the integrated sequential control system of the described CCD of being used for camera also comprises CCD semiconductor cooler control module, and described CCD semiconductor cooler control module links to each other with system control module.
4. according to claim 1 or the 2 or 3 described integrated sequential control systems that are used for the CCD camera, it is characterized in that: the integrated sequential control system of the described CCD of being used for camera also comprises the Controller Area Network BUS interface module that is used to finish Controller Area Network BUS communication affairs, and described Controller Area Network BUS interface module links to each other with system control module.
5. the integrated sequential control system that is used for the CCD camera according to claim 4 is characterized in that: described system control module 1 comprises the outer program storage unit (PSU) of CPU, watchdog unit and sheet; Described watchdog unit, the outer program storage unit (PSU) of sheet link to each other with CPU respectively.
6. the integrated sequential control system that is used for the CCD camera according to claim 5 is characterized in that: described tfi module comprises the camera running parameter grouting socket unit that is used for the injection of receiving system control module, be used to produce the CCD driving timing generation unit that CCD drives clock signal, be used to produce the video signal processing generation unit of video signal processing, be used to produce the image frame head data generation unit of image frame head data flow and be used to produce the Controller Area Network BUS controller, the peripheral hardware address decoding unit of the chip selection signal of A/D converter and D/A converter.
7. the integrated sequential control system that is used for the CCD camera according to claim 6 is characterized in that: described Controller Area Network BUS interface module comprises Controller Area Network BUS control unit and Controller Area Network BUS Transmit-Receive Unit; Described Controller Area Network BUS control unit links to each other with the Controller Area Network BUS Transmit-Receive Unit.
8. the integrated sequential control system that is used for the CCD camera according to claim 7 is characterized in that: described telemetry module comprises camera voltage and remote temperature sensing signal condition unit and A/D converting unit; Described camera voltage links to each other with the A/D converting unit with remote temperature sensing signal condition unit.
9. the integrated sequential control system that is used for the CCD camera according to claim 8 is characterized in that: described CCD semiconductor cooler control module comprises D/A converting unit and semiconductor cooler driver element; Described D/A converting unit links to each other with the semiconductor cooler driver element.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009102189303A CN102065246A (en) | 2009-11-13 | 2009-11-13 | Integrated time sequence control system for CCD camera |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009102189303A CN102065246A (en) | 2009-11-13 | 2009-11-13 | Integrated time sequence control system for CCD camera |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102065246A true CN102065246A (en) | 2011-05-18 |
Family
ID=44000327
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009102189303A Pending CN102065246A (en) | 2009-11-13 | 2009-11-13 | Integrated time sequence control system for CCD camera |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102065246A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103402062A (en) * | 2013-09-02 | 2013-11-20 | 中国电子科技集团公司第四十四研究所 | CCD driving time sequence generation method and driving time sequence generation device thereof |
| CN105933599A (en) * | 2016-04-25 | 2016-09-07 | 中国科学院西安光学精密机械研究所 | Integrated multi-mode scientific CCD image control system |
| CN109525788A (en) * | 2018-11-28 | 2019-03-26 | 广州市网拓信息技术有限公司 | A kind of artificial intelligence robot sound and light signal acquisition conversion equipment and its working principle |
| CN111381620A (en) * | 2019-12-12 | 2020-07-07 | 贵州电网有限责任公司 | Anti-icing camera heating strategy software implementation scheme |
-
2009
- 2009-11-13 CN CN2009102189303A patent/CN102065246A/en active Pending
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103402062A (en) * | 2013-09-02 | 2013-11-20 | 中国电子科技集团公司第四十四研究所 | CCD driving time sequence generation method and driving time sequence generation device thereof |
| CN103402062B (en) * | 2013-09-02 | 2016-06-01 | 中国电子科技集团公司第四十四研究所 | CCD driver' s timing generation method and driver' s timing generating apparatus thereof |
| CN105933599A (en) * | 2016-04-25 | 2016-09-07 | 中国科学院西安光学精密机械研究所 | Integrated multi-mode scientific CCD image control system |
| CN105933599B (en) * | 2016-04-25 | 2018-10-02 | 中国科学院西安光学精密机械研究所 | Integrated multi-mode scientific CCD image control system and method |
| CN109525788A (en) * | 2018-11-28 | 2019-03-26 | 广州市网拓信息技术有限公司 | A kind of artificial intelligence robot sound and light signal acquisition conversion equipment and its working principle |
| CN111381620A (en) * | 2019-12-12 | 2020-07-07 | 贵州电网有限责任公司 | Anti-icing camera heating strategy software implementation scheme |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102087606B (en) | FPGA configuration file update device | |
| CN101694512B (en) | Test circuit and on-chip system | |
| CN101859289B (en) | Method for accessing external memory using off-chip memory access controller | |
| CN103117797B (en) | High-speed load data analog source | |
| CN104599227A (en) | DDR3 arbitration controller and method applied to high-speed CCD data storage | |
| CN102065246A (en) | Integrated time sequence control system for CCD camera | |
| CN203812236U (en) | Data exchange system based on processor and field programmable gate array | |
| CN102169470A (en) | Conversion bridge from advanced high performance bus (AHB) to basic virtual component interface (BVCI) | |
| CN111736115A (en) | MIMO millimeter wave radar high-speed transmission method based on improved SGDMA + PCIE | |
| CN101777033A (en) | Storage card extension device | |
| CN202171888U (en) | One-chip microcomputer and CPLD collaborative design experimental system | |
| CN105676197A (en) | Array radar echo simulator and simulation method thereof | |
| CN101114521A (en) | Power consumption controlling method and system of flash memory | |
| CN103914427A (en) | On-chip communication method and on-chip communication device on basis of three physical interconnection lines for integrated circuits | |
| CN1692451A (en) | Semiconductor memory device and method for controlling semiconductor memory device | |
| TWI236586B (en) | Method and system for PCI express power management using a PCI PM mechanism | |
| CN102750254A (en) | Bidirectional conversion bridge from high-speed and high-bandwidth AHB (Advanced High Performance Bus) to low-speed and low-bandwidth AHB | |
| CN112187341B (en) | Data simulation source based on FPGA and construction and control method thereof | |
| CN105224486A (en) | Based on the 1553B bus protocol module of LBE bus | |
| CN103970708A (en) | Communication method and system between FPGA and universal processor | |
| CN102722457A (en) | Bus interface conversion method and bus bridging device | |
| CN101692214A (en) | High speed indirect access device and method between CPU and FPGA | |
| TWI750118B (en) | Clock management circuitry, system on chip and method of clock management | |
| CN101510182A (en) | Low speed DMA interface chip system and internal memory access method | |
| CN105681651B (en) | A kind of embedded high-speed real-time scene video generation device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C12 | Rejection of a patent application after its publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20110518 |