CN101598787A - A kind of analog test device of laser ranger - Google Patents
A kind of analog test device of laser ranger Download PDFInfo
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- CN101598787A CN101598787A CNA2009100653261A CN200910065326A CN101598787A CN 101598787 A CN101598787 A CN 101598787A CN A2009100653261 A CNA2009100653261 A CN A2009100653261A CN 200910065326 A CN200910065326 A CN 200910065326A CN 101598787 A CN101598787 A CN 101598787A
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Abstract
The invention discloses a kind of analog test device of laser ranger of Photoelectric Detection equipment technical field, has casing, casing is provided with state written instructions lamp, digital display tube, function manipulation key and socket, wherein: be provided with the analogue ranging control module that is connected with tested disposable plates in the described casing, simulation PC control transport module, data disaply moudle, state display module and signal input module, the main ripple sampling of described analogue ranging control module generation simulation and echoed signal are given tested disposable plates and are counted processing, the 29.97MHz signal of tested disposable plates output, single/repetition signal, trigger pip connects the analogue ranging control module; Tested disposable plates signal communication simulation PC control transport module, data disaply moudle shows detection numerical value.Have easy to detect, powerful, efficient is higher, extensibility good, this pick-up unit function modoularization, easily upgrading is configurablely used in multiple laser range finder analog detection.
Description
Technical field
The invention belongs to the Photoelectric Detection equipment technical field, be specifically related to a kind of analog test device of laser ranger.
Background technology
Various laser distance measuring system comprise semiconductor laser range finder, Solid State Laser range finder and CO
2Laser range finder etc., in making debug process, all to carry out the separation detection of each parts, the center reason module will realize main logic control tally function, it is detected the operate as normal that can guarantee the center processing circuit, and detection method is more original mostly at present, efficient is very low, there is not proprietary pick-up unit, perhaps pick-up unit detects inconvenience, and function is simple, can not well detect central processing module.
Summary of the invention
For solving the above-mentioned defective that prior art exists, the object of the invention is to provide a kind of easy to detect, powerful, efficient is higher, extensibility is good analog test device of laser ranger, this pick-up unit function modoularization, easily upgrading, configurable in multiple laser range finder analog detection use.
For achieving the above object, the technical solution used in the present invention is: this analog test device of laser ranger has casing, casing is provided with status indicator lamp, digital display tube, function manipulation key and socket, it is characterized in that: be provided with the analogue ranging control module that is connected with tested disposable plates in the described casing, simulation PC control transport module, data disaply moudle, state display module and signal input module, described analogue ranging control module outside need is provided with distance by toggle switch, the main ripple sampling of generation simulation and echoed signal are given tested disposable plates and are counted processing, the 29.97MHz signal of tested disposable plates output, single/repetition signal, trigger pip connects the analogue ranging control module; Tested disposable plates is connected simulation PC control transport module by address wire, AEN, data line, write signal with read signal, analogue ranging control module, tested disposable plates and the output of simulation PC control transport module are connected data disaply moudle by MUX, simulation PC control transport module output connection status display module, described signal input module is connected with MUX with analogue ranging control module, tested disposable plates, simulation PC control transport module.
The pattern of described signal input module, frequency selection, transmitter trigger and reset signal flow to tested disposable plates, load the accumulated value signal conveys and give the analogue ranging control module, the demonstration source selects signal conveys to give MUX, and test signal, host computer emission and host computer enabling signal flow to simulation PC control transport module.
Described analogue ranging control module is by the emission start trigger signal, the emission trigger pip is divided into two-way and triggers, one the tunnel through fixed delay 2, trigger, count value input down counter module, another road is through fixed delay 1, trigger connects the cen end of down counter module, high frequency clock connects the clk end of down counter module, the output of fixed delay 1 is connected with trigger behind reverser and is used for zero clearing, the down counter module is exported main ripple sampled signal, also through monostalbe trigger output echoed signal, echoed signal connects trigger through the reverser feedback and is used for zero clearing the down counter module.
The 150Hz t=7ms clock generating write-read cycle clock sequence of described simulation PC control transport module after by frequency multiplication, a write-read cycle clock sequence write cycle time of output and two read cycles, the trigger pip input writing controller of a write cycle time, writing controller OPADD, data and write signal; The trigger pip input Read Controller of two read cycles, Read Controller output read signal, digital shows signal and state shows signal.
Described data disaply moudle comprises two demonstration sources, preset distance data and analogue ranging enumeration data, and they control by showing the source selection key.
Described state display module is made up of a plurality of light emitting diodes, and different status signals is indicated with corresponding light emitting diode.
Adopt the beneficial effect of technique scheme: this analog test device of laser ranger is by analogue ranging control module, simulation PC control transport module, and data disaply moudle, state display module and signal input module constitute.The analogue ranging control module realizes in FPGA, outside need is provided with distance by toggle switch, by the work of emission start trigger signal internal module, produce the main ripple sampling and the echoed signal of simulation, replace the signal that produced by Laser emission and dash receiver really, main ripple is sampled and echoed signal is given tested disposable plates and counted processing.Simulation PC control transport module, in FPGA, realize, comprise in the transport module from designing read-write controller, write command and the read states and the read data of simulation host computer, and can be temporary state and data, can show successively that this module can be made corresponding expanded configuration according to different Board Under Tests easily.Data disaply moudle comprises two demonstration sources, preset distance data and analogue ranging enumeration data, and they show measured data by showing that the source selection key is controlled.The state display module is made up of a plurality of light emitting diodes, and different status signals is indicated with corresponding light emitting diode.For example transmit signals such as main ripple sampling, analogue echo, successful launch and multiple goal.This analog test device of laser ranger provides a kind of employing FPGA (field programmable gate array) to realize the analog detection of laser distance measuring system central processing module, software function moduleization, easily upgrading is configurable, has advantage easy to detect, powerful, that efficient is higher, extensibility is good.
Description of drawings
Below in conjunction with accompanying drawing specific embodiments of the invention are described in further detail.
Fig. 1 is a structural representation of the present invention.
Fig. 2 is the theory diagram of analogue ranging control module.
Fig. 3 is the sequential chart of analogue ranging control module.
Fig. 4 is a The general frame of the present invention.
Fig. 5 is the theory diagram of simulation PC control transport module.
Fig. 6 is the sequential chart of simulation PC control transport module.
Embodiment
Analog test device of laser ranger shown in Fig. 1,4, has casing 1, casing is provided with state written instructions lamp 2, digital display tube 4, function manipulation key and socket 3,9, and function manipulation key comprises mode switch 5, frequency selective switch 6, transmitter trigger switch 7, reset key 8, host computer emission mode key 10, host computer transmitter trigger key 11, show source options button 12, feeler switch 13, load accumulated value 14, five toggle switchs 15, power switch 16.Socket 3 is used for being connected with tested disposable plates 17.Be provided with the analogue ranging control module 18, simulation PC control transport module 22, data disaply moudle 20, state display module 21 and the signal input module that are connected with tested disposable plates 17 in the casing 1, analogue ranging control module 18 outside needs are provided with distance by five toggle switchs 15, the main ripple sampling of generation simulation and echoed signal are given tested disposable plates 17 and are counted processing, and the 29.97MHz signal of tested disposable plates 17 outputs, single/repetition signal, trigger pip connect analogue ranging control module 18; Tested disposable plates 17 is connected simulation PC control transport module 22 by address wire, AEN, data line, write signal with read signal, analogue ranging control module, tested disposable plates and the output of simulation PC control transport module are connected data disaply moudle 20 by MUX 19, simulation PC control transport module 22 output connection status display modules 21.Data disaply moudle 20 comprises two demonstration sources, constitutes by the demonstration charactron, and preset distance data and analogue ranging enumeration data, they control by showing the source selection key.State display module 21 is made up of a plurality of light emitting diodes, and different status signals is indicated with corresponding light emitting diode.The mode switch 5 of signal input module, frequency selective switch 6, transmitter trigger switch 7, the pattern that reset key 8 produces, frequency is selected, transmitter trigger and reset signal flow to tested disposable plates 17, load accumulated value 14 signal conveys and give analogue ranging control module 18, the demonstration source that demonstration source options button 12 is determined selects signal conveys to give MUX 19, feeler switch 13, host computer emission mode key 10, the test signal that host computer transmitter trigger key 11 produces, host computer emission mode signal and host computer enabling signal flow to simulation PC control transport module 22.As Fig. 2,3 analogue ranging control modules 18 are by the emission start trigger signal, the emission trigger pip is divided into two-way and triggers, one the tunnel through fixed delay 2, trigger, count value input down counter module, another road is through fixed delay 1, trigger connects the cen end of down counter module, high frequency clock connects the clk end of down counter module, the output of fixed delay 1 is connected with trigger behind reverser and is used for zero clearing, the down counter module is exported main ripple and is adopted signal, also through monostalbe trigger output echoed signal, echoed signal connects trigger through the reverser feedback and is used for zero clearing the down counter module.Simulation PC control transport module shown in Fig. 5,6, write-read cycle clock of clock generating sequence by the 150Hz cycle t=7ms after the frequency multiplication, a write-read cycle clock sequence write cycle time of output and two read cycles, the trigger pip input writing controller of a write cycle time, writing controller OPADD, data and write signal; The trigger pip input Read Controller of two read cycles, Read Controller output read signal, digital shows signal and state shows signal.
The groundwork flow process:
When selecting the single emission pattern by mode switch, each distance presets number and all gets the toggle switch data, these data can be selected to show by demonstration source selection key, after the emission, produce accurate main ripple sampling and echo return signal to tested disposable plates by the analogue ranging control module, simulation PC control transport module is responsible for giving display module ranging data and is shown, by show the source selection key range finding from showing by seven segment code again, can switch the demonstration source, preset number and relatively judge, the data of surveying whether correct; When selecting the repetition pattern, get for the first time the set benchmark numerical value of toggle switch, the every emission of repetition afterwards once all adds a distance increment (as 100 on previous setpoint distance basis, also but run duration changes increment), after emission stops, 16 groups of ranging datas that can show institute's buffer memory by the test button successively are to contrast.During the simulation multiple goal, produce 2 or a plurality of echoed signal by the analogue ranging control module, and the distance of each simulated target can be set, select or the ripple door by the multiple goal of the tested disposable plates of control, can obtain the distance of the target that will survey, and show by seven segment code.
Claims (6)
1, a kind of analog test device of laser ranger, has casing, casing is provided with state written instructions lamp, digital display tube, function manipulation key and socket, it is characterized in that: be provided with the analogue ranging control module that is connected with tested disposable plates in the described casing, simulation PC control transport module, data disaply moudle, state display module and signal input module, described analogue ranging control module outside need is provided with distance by toggle switch, the main ripple sampling of generation simulation and echoed signal are given tested disposable plates and are counted processing, the 29.97MHz signal of tested disposable plates output, single/repetition signal, trigger pip connects the analogue ranging control module; Tested disposable plates is connected simulation PC control transport module by address wire, AEN, data line, write signal with read signal, analogue ranging control module, tested disposable plates and the output of simulation PC control transport module are connected data disaply moudle by MUX, simulation PC control transport module output connection status display module, described signal input module is connected with MUX with analogue ranging control module, tested disposable plates, simulation PC control transport module.
2, analog test device of laser ranger according to claim 1, it is characterized in that: the pattern of described signal input module, frequency selection, transmitter trigger and reset signal flow to tested disposable plates, load the accumulated value signal conveys and give the analogue ranging control module, the demonstration source selects signal conveys to give MUX, and test signal, host computer emission and host computer enabling signal flow to simulation PC control transport module.
3, analog test device of laser ranger according to claim 1, it is characterized in that: described analogue ranging control module is by the emission start trigger signal, the emission trigger pip is divided into two-way and triggers, one the tunnel through fixed delay 2, trigger, count value input down counter module, another road is through fixed delay 1, trigger connects the cen end of down counter module, high frequency clock connects the clk end of down counter module, the output of fixed delay 1 is connected with trigger behind reverser and is used for zero clearing, the down counter module is exported main ripple and is adopted signal, also through monostalbe trigger output echoed signal, echoed signal connects trigger through the reverser feedback and is used for zero clearing the down counter module.
4, analog test device of laser ranger according to claim 1, it is characterized in that: the clock generating write-read cycle clock sequence of the 150Hz cycle t=7ms of described simulation PC control transport module after by frequency multiplication, a write-read cycle clock sequence write cycle time of output and two read cycles, the trigger pip input writing controller of a write cycle time, writing controller OPADD, data and write signal; The trigger pip input Read Controller of two read cycles, Read Controller output read signal, digital shows signal and state shows signal.
5, analog test device of laser ranger according to claim 1 is characterized in that: described data disaply moudle comprises two demonstration sources, preset distance data and analogue ranging enumeration data, and they control by showing the source selection key.
6, analog test device of laser ranger according to claim 1 is characterized in that: described state display module, to form by a plurality of light emitting diodes, and different status signals is indicated with corresponding light emitting diode.
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| CN2009100653261A CN101598787B (en) | 2009-06-30 | 2009-06-30 | Analog test device of laser ranger |
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| CN101598787B CN101598787B (en) | 2012-04-18 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109104256A (en) * | 2018-10-29 | 2018-12-28 | 京信通信系统（中国）有限公司 | Test device |
| CN110456329A (en) * | 2019-08-20 | 2019-11-15 | 哈尔滨工业大学 | High-frequency high-precision return laser beam analogue system |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101131430A (en) * | 2007-10-10 | 2008-02-27 | 中国科学院上海光学精密机械研究所 | Lidar double-way optical transmission simulation and range performance detecting device |
| CN101251549A (en) * | 2008-04-11 | 2008-08-27 | 中国航空工业第一集团公司北京长城计量测试技术研究所 | Method and device for detecting error of laser speedometer |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109104256A (en) * | 2018-10-29 | 2018-12-28 | 京信通信系统（中国）有限公司 | Test device |
| CN110456329A (en) * | 2019-08-20 | 2019-11-15 | 哈尔滨工业大学 | High-frequency high-precision return laser beam analogue system |
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| CN101598787B (en) | 2012-04-18 |
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