CN104729487A - Laser swinger detector - Google Patents
Laser swinger detector Download PDFInfo
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- CN104729487A CN104729487A CN201310705626.8A CN201310705626A CN104729487A CN 104729487 A CN104729487 A CN 104729487A CN 201310705626 A CN201310705626 A CN 201310705626A CN 104729487 A CN104729487 A CN 104729487A
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- geoplane
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
- G01C15/00—Surveying instruments or accessories not provided for in groups G01C1/00 - G01C13/00
- G01C15/002—Active optical surveying means
- G01C15/004—Reference lines, planes or sectors
- G01C15/006—Detectors therefor
Abstract
The embodiment of the invention provides a laser swinger detector, which includes: a main controller, a photoelectric detection unit, a signal processing unit, a display unit and a power management unit. Specifically, the photoelectric detection unit receives the optical signal output by a laser swinger and converts the optical signal into an electrical signal to be transmitted to the signal processing unit, the signal processing unit conducts multi-level graded amplification treatment on the electrical signal and sends the amplified electrical signal to the main controller, and the main controller displays the detected horizontal height of the laser swinger or an indication icon from an optical signal receiving point to a photoelectric detection unit central position and the like on the display unit. The laser swinger detector disclosed by the invention can realize hierarchical control of electrical signal amplification according to different distances between the laser swinger detector and laser swingers, i.e. the received signal strength, and then the receiving distance is expanded, and the stability and anti-interference performance of the laser swinger detector are improved.
Description
Technical field
The application relates to precise laser surveying instrument technical field, relates to a kind of Geoplane detector in particular.
Background technology
Geoplane is a kind of laser scanning instrumentation grown up on the basis of traditional optical scanner, under fast rotary rotating shaft drives, make visual laser point scan out the light of sustained height, so that a kind of instrument of engineering staff's positioning height.It has very high puts down precision and longer operation distance, is easy to use, flexibly, is therefore widely used in geodetic surveying, engineering survey and the aspect such as large-scale installation and excavation.And Geoplane detector is opto-electronic receiver equipment supporting with it, for receiving the laser that Geoplane sends, thus the height of master goal, position inclination information, and then realize the accurate control of engineer operation equipment.
The detection range of the Geoplane detector of current use is about 200m, and easily by external environment, as the interference of the factors such as daylight, if because some cause specific, the distance of detector and scanner is greater than 200m, or under the environment that sunshine is stronger, result of detection can be caused inaccurate or cannot result of detection be drawn.
Therefore, provide a kind of laser to put down detector, can more effective detection laser signal, expand range of receiving, increase receiving range, improving stability and anti-interference, is those skilled in the art's urgent problems.
Summary of the invention
In view of this, this application provides a kind of Geoplane detector, the data of interrupting causing due to the control linkage between controller and switch in order to reduction transmit unsafe risk.
For achieving the above object, the application provides following technical scheme:
A kind of Geoplane detector, comprising: master controller, photoelectric detection unit, signal processing unit, display unit and Power Management Unit, wherein:
Described photoelectric detection unit, for receiving the light signal that Geoplane exports, and is converted to electric signal by described light signal and sends described signal processing unit to;
Described signal processing unit comprises: the main amplifying unit of pre-amplifier unit, comparing unit and two-stage;
Described pre-amplifier unit, for carrying out elementary amplification process to described electric signal, the electric signal after being amplified;
Described comparing unit, for the electric signal after described amplification and reference signal being compared, and is converted to logic level signal and sends to described master controller by comparative result;
The main amplifying unit of described two-stage, for receiving the amplification order that described master controller is determined according to described logic level signal to need to export when continuing to amplify to electric signal, realizing classification to electric signal and amplifying process;
Described display unit, the position being used to indicate described photoelectric detection unit receiving optical signals that level height or display master controller for showing the Geoplane judged according to electric signal that described master controller exports export arrives the instruction icon of described photoelectric detection unit center;
Described Power Management Unit, for powering for master controller, photoelectric detection unit, signal processing unit, display unit.
Preferably, also comprise:
Key-press input unit, for controlling the folding of described Power Management Unit, the operating accuracy of switched system and regulating volume.
Preferably, what described key-press input unit adopted is AD sampling touch key.
Preferably, also comprise:
Alarm unit, the diverse location for the photoelectric detection unit receiving optical signals judged according to master controller sends different alerting signals.
Preferably, described alarm unit is hummer.
Preferably, described signal processing unit also comprises: filter unit and waveform converter unit, wherein:
Described filter unit, for closing road by the electric signal after amplification and carrying out filtering process, the amplification signal after output filtering;
Described waveform converter unit, for carrying out waveform conversion to the electric signal after amplification, filtering process, outputting standard square wave sends master controller to.
Preferably, described pre-amplifier unit is low noise amplifier circuit.
Preferably, described master controller is Cortex-M3 single-chip microcomputer.
Preferably, described photoelectric detection unit is high-speed silicon light diode array.
Preferably, described display unit is LCD display.
To sum up, a kind of Geoplane detector that the application provides, light signal is converted to electric signal sends signal processing unit to by photoelectric detection unit receiving optical signals, comparing unit is sent to and reference voltage compares after the amplification process of pre-amplifier unit, and export corresponding logic level to master controller, master controller carries out judging whether to need to continue to amplify to electric signal according to logic level, if needed, then control the main amplifying unit of two-stage and carry out one-level or secondary amplification.Electric signal after amplifying process is sent to master controller, by master controller, the level height of Geoplane detected or the light signal acceptance point instruction icon etc. to photoelectric detection unit center is shown on the display unit.Compared with prior art, this Geoplane detector disclosed in the present application, can different according to Geoplane detector and Geoplane distance, that is, strong and weak according to the signal received, realize the step control that electric signal is amplified, and then expand receiving range, improve stability and the anti-interference of laser scanner detector.
Accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present application or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is only the embodiment of the application, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to the accompanying drawing provided.
The structural representation of Fig. 1 a kind of Geoplane detector disclosed in the embodiment of the present application one;
The structural representation of Fig. 2 a kind of signal processing unit disclosed in the embodiment of the present application one;
The structural representation of Fig. 3 a kind of signal processing unit disclosed in the embodiment of the present application two.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present application, be clearly and completely described the technical scheme in the embodiment of the present application, obviously, described embodiment is only some embodiments of the present application, instead of whole embodiments.Based on the embodiment in the application, those of ordinary skill in the art are not making the every other embodiment obtained under creative work prerequisite, all belong to the scope of the application's protection.
The detection range of the Geoplane detector of current use is about 200m, and easily by external environment, as the interference of the factors such as daylight, if because some cause specific, the distance of detector and scanner is greater than 200m, or under the environment that sunshine is stronger, result of detection can be caused inaccurate or cannot result of detection be drawn.Therefore, the application provides a kind of Geoplane detector, can the light signal that sends of more effective detection laser scanner, expands range of receiving, increases receiving range, improve stability and anti-interference
Embodiment one
As shown in Figure 1, the structural representation of Fig. 1 a kind of Geoplane detector disclosed in the embodiment of the present application one.This Geoplane detector comprises: master controller 101, photoelectric detection unit 102, signal processing unit 103, display unit 104 and Power Management Unit 105.
Wherein, photoelectric detection unit 102, for receiving the light signal that Geoplane exports, and is converted to electric signal and sends described signal processing unit to by light signal.Concrete, this photoelectric detection unit 102 is high-speed silicon light diode array, comprises upper and lower two parts silicon photo diode, i.e. silicon photocell.
Silicon photocell is a kind of semiconductor devices directly luminous energy being converted to electric energy.Its structure is very simple, core is a large-area PN junction, the point-contact diode of a transparent glass shell and one piece of microampere meter are connected into closed-loop path, when the tube core (PN junction) of diode is subject to illumination, will see that the indicator of microampere meter deflects, demonstrate in loop and have electric current, this phenomenon is called photovoltaic effect.The PN junction area of silicon photocell is more much bigger than the PN junction of diode, so the electromotive force produced when being subject to illumination and electric current are also much bigger.
As shown in Figure 2, the structural representation of Fig. 2 a kind of signal processing unit disclosed in the embodiment of the present application one.Signal processing unit comprises: the main amplifying unit 203 of pre-amplifier unit 201, comparing unit 202 and two-stage.
Pre-amplifier unit 201, for carrying out elementary amplification process to electric signal, the electric signal after being amplified.
Concrete, this pre-amplifier unit is low noise amplifier.Carrying out in the process of laser measurement with Geoplane, the laser echo signal power that photoelectric detection unit receives is very weak, the electric signal causing photoelectric detection unit conversion to export is very little, for the ease of follow-up precise signal process, just seems particularly important to the process of this feeble signal.This Geoplane detector disclosed in the present application processes for the ultra-weak electronic signal of this laser acquisition, and the low noise wideband realizing signal amplifies.When scanner distance laser detector is far away, the laser power that detector receives is microwatt rank, and this just requires that pre-amplification circuit has very high responsiveness.The design that the present invention has considered circuit will consider each side factors such as bandwidth, power consumption, noise, the speed of response, the CMOS(Complementary Metal Oxide Semiconductor of a low distortion, low noise, low-power consumption, high pressure Slew Rate, complementary metal oxide semiconductor (CMOS) have been selected in design) operational amplifier is as pre-amplifier unit.
Comparing unit 202, for the electric signal after amplifying and reference signal being compared, and is converted to logic level signal and sends to master controller 101 by comparative result.
Signal after amplifying is sent to comparing unit and reference voltage compares, and comparing unit exports corresponding logic level signal according to comparative result and is sent to master controller.
The main amplifying unit 203 of two-stage, for receiving the amplification order that master controller 101 is determined according to logic level signal to need to export when continuing to amplify to electric signal, realizing classification to electric signal and amplifying process.
The logic level signal that master controller exports according to comparing unit, judge whether to open second amplifying circuit, if needed, output signal controls the main amplifying unit of two-stage and opens second amplifying circuit, and the electric signal after secondary is amplified process continues to be sent to comparing unit and reference voltage compares, comparing unit exports corresponding logic level signal to master controller again according to comparative result, master controller judges whether according to logic level signal the amplification needing to proceed electric signal again, if needed, the main amplifying unit of then order two-stage opens three-stage amplifier, three grades of amplifications are carried out to electric signal, if do not needed, then directly judge the position of photoelectric detection unit Received signal strength or the height of Geoplane by master controller.
Thus, this Geoplane detector disclosed in the present application according to the difference of detector apart from sweep generator distance, can realize the step control of amplifying signal, and then expands range of receiving, increase receiving range, improves stability and the anti-interference of detector.
Display unit 104, the position being used to indicate photoelectric detection unit 102 receiving optical signals that level height or display master controller 101 for showing the Geoplane judged according to electric signal that master controller 101 exports export arrives the instruction icon of photoelectric detection unit 102 center.
At display unit for showing testing result and index map target simultaneously, we can also arrange alarm unit, and the diverse location for the photoelectric detection unit receiving optical signals judged according to master controller sends different alerting signals.This alarm unit can be hummer, and can certainly be other panalarms, this is not restricted, can select as the case may be.
Concrete, master controller can judge according to the light signal received, if laser signal makes the upper detector in photoelectric detection unit, the interruption that then master controller is corresponding detects I/O port and has square-wave signal input, main controller controls display unit provides the instruction of corresponding arrow downwards simultaneously, and having corresponding audible alarm to export, instruction operator will move detector.In like manner, if laser signal makes the lower detector of the detector in photoelectric detection unit, then main controller controls display unit provides and indicates to upward arrow accordingly, and have corresponding audible alarm to export, instruction operator move detector, until laser signal beats the centre position in photoelectric detection unit, then main controller controls display unit provides the instruction of corresponding level, and has and export from the audible alarm beaten upper and lower detector is different.
Alternatively, photoelectric detection unit receives the light signal that Geoplane sends, and be converted into electric signal, export electric signal to signal processing unit, signal after processing is sent to master controller, after master controller detects the signal after signal transacting, judge the zones of different of signal from photoelectric detection unit, provide different display information and be sent to display unit and audible ringing signal to alarm unit.
In this master controller employing disclosed in the present application is CORTEX-M3 controller, and the master controller namely in the application is Cortex-M3 single-chip microcomputer, is responsible for the management and the exchanges data that control each hardware module and interface.Cortex-M3 is the core of 32, and can meet and interrupt speed faster, Cortex-M3 have employed Tail-Chaining, the i.e. chain interrupt techniques in end, carry out interrupt processing based on hardware completely, can reduce at most by 12 clock periodicities, can reduce by 70% interruption in actual applications.
Power Management Unit 105, for powering for master controller 101, photoelectric detection unit 102, signal processing unit 103, display unit 104.
Power Management Unit 105 is responsible for the power supply of whole system, for powering for master controller 101, photoelectric detection unit 102, signal processing unit 103, display unit 104.Power Management Unit provides the different supply voltage needed for each unit for different unit, such as, main power voltage is 9V, the voltage by Power Management Unit the main power voltage of 9V being converted to 3.3V is that photoelectric detection unit is powered, certainly, the voltage that can also be converted to other is powered for other unit.
It should be noted that, this Geoplane detector can also comprise key-press input unit, for controlling the folding of Power Management Unit, the operating accuracy of switched system and regulating volume.Wherein, what this key-press input unit adopted is AD sampling touch key, and certainly, also can use the key-press input unit of other kinds, this is not restricted, can select as the case may be.
Concrete, user can pass through keyswitch power supply, operating accuracy can also be set by button, when detector and Geoplane distant time can be suitable heighten operating accuracy, can be suitable when detector and Geoplane close together turn down operating accuracy, so that measuring more efficiently on basis, make measurement accurate.The size of the alarm sound volume of alarm unit can also be regulated by button, so that while not disturbing staff to work, staff can be made to tell warning message better, whether accurate to judge the position of receiving optical signals fast, how this carries out moving making receiving position accurate.
From above technical scheme, this kind of Geoplane detector that the embodiment of the present application one provides, light signal is converted to electric signal sends signal processing unit to by photoelectric detection unit receiving optical signals, comparing unit is sent to and reference voltage compares after the amplification process of pre-amplifier unit, and export corresponding logic level to master controller, master controller carries out judging whether to need to continue to amplify to electric signal according to logic level, if needed, then control the main amplifying unit of two-stage and carry out one-level or secondary amplification.Electric signal after amplifying process is sent to master controller, by master controller, the level height of Geoplane detected or the light signal acceptance point instruction icon etc. to photoelectric detection unit center is shown on the display unit.Compared with prior art, this Geoplane detector disclosed in the present application, can different according to Geoplane detector and Geoplane distance, that is, strong and weak according to the signal received, realize the step control that electric signal is amplified, and then expand receiving range, improve stability and the anti-interference of laser scanner detector.
Embodiment two
On the basis of embodiment one, this application provides another kind of Geoplane detector, this Geoplane detector comprises: master controller, photoelectric detection unit, signal processing unit, display unit and Power Management Unit.
Wherein, photoelectric detection unit, for receiving the light signal that Geoplane exports, and is converted to electric signal and sends described signal processing unit to by light signal.Concrete, this photoelectric detection unit is high-speed silicon light diode array, comprises upper and lower two parts silicon photo diode, i.e. silicon photocell.
Silicon photocell is a kind of semiconductor devices directly luminous energy being converted to electric energy.Its structure is very simple, core is a large-area PN junction, the point-contact diode of a transparent glass shell and one piece of microampere meter are connected into closed-loop path, when the tube core (PN junction) of diode is subject to illumination, will see that the indicator of microampere meter deflects, demonstrate in loop and have electric current, this phenomenon is called photovoltaic effect.The PN junction area of silicon photocell is more much bigger than the PN junction of diode, so the electromotive force produced when being subject to illumination and electric current are also much bigger.
As shown in Figure 3, the structural representation of Fig. 3 a kind of signal processing unit disclosed in the embodiment of the present application two.This signal processing unit comprises: the main amplifying unit 303 of pre-amplifier unit 301, comparing unit 302, two-stage, filter unit 304 and waveform converter unit 305.
Pre-amplifier unit 301, for carrying out elementary amplification process to electric signal, the electric signal after being amplified.
Concrete, this pre-amplifier unit is low noise amplifier.Carrying out in the process of laser measurement with Geoplane, the laser echo signal power that photoelectric detection unit receives is very weak, the electric signal causing photoelectric detection unit conversion to export is very little, for the ease of follow-up precise signal process, just seems particularly important to the process of this feeble signal.This Geoplane detector disclosed in the present application processes for the ultra-weak electronic signal of this laser acquisition, and the low noise wideband realizing signal amplifies.When scanner distance laser detector is far away, the laser power that detector receives is microwatt rank, and this just requires that pre-amplification circuit has very high responsiveness.The design that the present invention has considered circuit will consider each side factors such as bandwidth, power consumption, noise, the speed of response, the CMOS(Complementary Metal Oxide Semiconductor of a low distortion, low noise, low-power consumption, high pressure Slew Rate, complementary metal oxide semiconductor (CMOS) have been selected in design) operational amplifier is as pre-amplifier unit.
Comparing unit 302, for the electric signal after amplifying and reference signal being compared, and is converted to logic level signal by comparative result and sends to master controller.
Signal after amplifying is sent to comparing unit and reference voltage compares, and comparing unit exports corresponding logic level signal according to comparative result and is sent to master controller.
The main amplifying unit 303 of two-stage, for receiving the amplification order that master controller is determined according to logic level signal to need to export when continuing to amplify to electric signal, realizing classification to electric signal and amplifying process.
The logic level signal that master controller exports according to comparing unit, judge whether to open second amplifying circuit, if needed, output signal controls the main amplifying unit of two-stage and opens second amplifying circuit, and the electric signal after secondary is amplified process continues to be sent to comparing unit and reference voltage compares, comparing unit exports corresponding logic level signal to master controller again according to comparative result, master controller judges whether according to logic level signal the amplification needing to proceed electric signal again, if needed, the main amplifying unit of then order two-stage opens three-stage amplifier, three grades of amplifications are carried out to electric signal, if do not needed, then directly judge the position of photoelectric detection unit Received signal strength or the height of Geoplane by master controller.
Thus, this Geoplane detector disclosed in the present application according to the difference of detector apart from sweep generator distance, can realize the step control of amplifying signal, and then expands range of receiving, increase receiving range, improves stability and the anti-interference of detector.
Filter unit 304, for closing road by the electric signal after amplification and carrying out filtering process, the amplification signal after output filtering.
The light signal received due to photoelectric detection unit is doped with other light signals, the light signal of these doping can disturb the light signal that Geoplane sends, cause the result of detection of detector inaccurate, therefore, this Geoplane detector that the embodiment of the present application two provides carries out filtering process to the electric signal after changing, filter out impurities signal, so that can draw testing result more clearly.
Waveform converter unit 305, for carrying out waveform conversion to the electric signal after amplification, filtering process, outputting standard square wave sends master controller to.
Signal after amplifying circuit process is through waveform converter unit, and the square-wave signal of outputting standard, is convenient to master controller and carries out interruption detection.Because differing of receiving of photoelectric detection unit is decided to be the square-wave signal of standard, detect for the ease of master controller, signal after amplification filtering process has been carried out shaping by this detector, by original may not be that the electric signal conversion of standard block is in order to standard block signal.
Display unit, the position being used to indicate photoelectric detection unit receiving optical signals that level height or display master controller for showing the Geoplane judged according to electric signal that master controller exports export arrives the instruction icon of photoelectric detection unit center.
At display unit for showing testing result and index map target simultaneously, we can also arrange alarm unit, and the diverse location for the photoelectric detection unit receiving optical signals judged according to master controller sends different alerting signals.This alarm unit can be hummer, and can certainly be other panalarms, this is not restricted, can select as the case may be.
Concrete, master controller can judge according to the light signal received, if laser signal makes the upper detector in photoelectric detection unit, the interruption that then master controller is corresponding detects I/O port and has square-wave signal input, main controller controls display unit provides the instruction of corresponding arrow downwards simultaneously, and having corresponding audible alarm to export, instruction operator will move detector.In like manner, if laser signal makes the lower detector of the detector in photoelectric detection unit, then main controller controls display unit provides and indicates to upward arrow accordingly, and have corresponding audible alarm to export, instruction operator move detector, until laser signal beats the centre position in photoelectric detection unit, then main controller controls display unit provides the instruction of corresponding level, and has and export from the audible alarm beaten upper and lower detector is different.
Alternatively, photoelectric detection unit receives the light signal that Geoplane sends, and be converted into electric signal, export electric signal to signal processing unit, signal after processing is sent to master controller, after master controller detects the signal after signal transacting, judge the zones of different of signal from photoelectric detection unit, provide different display information and be sent to display unit and audible ringing signal to alarm unit.
In this master controller employing disclosed in the present application is CORTEX-M3 controller, and the master controller namely in the application is Cortex-M3 single-chip microcomputer, is responsible for the management and the exchanges data that control each hardware module and interface.Cortex-M3 is the core of 32, and can meet and interrupt speed faster, Cortex-M3 have employed Tail-Chaining, the i.e. chain interrupt techniques in end, carry out interrupt processing based on hardware completely, can reduce at most by 12 clock periodicities, can reduce by 70% interruption in actual applications.This processor is also integrated with many tightly coupled system peripheral hardwares, makes system can meet the demand for control of next-generation.
Power Management Unit, for powering for master controller, photoelectric detection unit, signal processing unit, display unit.
Power Management Unit is responsible for the power supply of whole system, for powering for master controller, photoelectric detection unit, signal processing unit, display unit.Power Management Unit provides the different supply voltage needed for each unit for different unit, such as, main power voltage is 9V, the voltage by Power Management Unit the main power voltage of 9V being converted to 3.3V is that photoelectric detection unit is powered, certainly, the voltage that can also be converted to other is powered for other unit.
It should be noted that, this Geoplane detector can also comprise key-press input unit, for controlling the folding of Power Management Unit, the operating accuracy of switched system and regulating volume.Wherein, what this key-press input unit adopted is AD sampling touch key, and certainly, also can use the key-press input unit of other kinds, this is not restricted, can select as the case may be.
Concrete, user can pass through keyswitch power supply, operating accuracy can also be set by button, when detector and Geoplane distant time can be suitable heighten operating accuracy, can be suitable when detector and Geoplane close together turn down operating accuracy, so that measuring more efficiently on basis, make measurement accurate.The size of the alarm sound volume of alarm unit can also be regulated by button, so that while not disturbing staff to work, staff can be made to tell warning message better, whether accurate to judge the position of receiving optical signals fast, how this carries out moving making receiving position accurate.
From above technical scheme, this kind of Geoplane detector that the embodiment of the present application two provides, light signal is converted to electric signal sends signal processing unit to by photoelectric detection unit receiving optical signals, comparing unit is sent to and reference voltage compares after the amplification process of pre-amplifier unit, and export corresponding logic level to master controller, master controller carries out judging whether to need to continue to amplify to electric signal according to logic level, if needed, then control the main amplifying unit of two-stage and carry out one-level or secondary amplification.Electric signal after amplifying is carried out filtering, Shape correction, sends to master controller, by master controller, the level height of Geoplane detected or the light signal acceptance point instruction icon etc. to photoelectric detection unit center is shown on the display unit.Compared with prior art, this Geoplane detector disclosed in the present application, can different according to Geoplane detector and Geoplane distance, that is, strong and weak according to the signal received, realize the step control that electric signal is amplified, and then expand receiving range, improve stability and the anti-interference of laser scanner detector.
In this instructions, each embodiment adopts the mode of going forward one by one to describe, and what each embodiment stressed is the difference with other embodiments, between each embodiment identical similar portion mutually see.For device disclosed in embodiment, because it corresponds to the method disclosed in Example, so description is fairly simple, relevant part illustrates see method part.
Finally, also it should be noted that, in this article, the such as relational terms of first and second grades and so on is only used for an entity or operation to separate with another entity or operational zone, and not necessarily requires or imply the relation that there is any this reality between these entities or operation or sequentially.And, term " comprises ", " comprising " or its any other variant are intended to contain comprising of nonexcludability, thus make to comprise the process of a series of key element, method, article or equipment and not only comprise those key elements, but also comprise other key elements clearly do not listed, or also comprise by the intrinsic key element of this process, method, article or equipment.When not more restrictions, the key element limited by statement " comprising ... ", and be not precluded within process, method, article or the equipment comprising described key element and also there is other identical element.
For convenience of description, various unit is divided into describe respectively with function when describing above device.Certainly, the function of each unit can be realized in same or multiple software and/or hardware when implementing the application.
As seen through the above description of the embodiments, those skilled in the art can be well understood to the mode that the application can add required general hardware platform by software and realizes.Based on such understanding, the technical scheme of the application can embody with the form of software product the part that prior art contributes in essence in other words, this computer software product can be stored in storage medium, as ROM/RAM, magnetic disc, CD etc., comprising some instructions in order to make a computer equipment (can be personal computer, server, or the network equipment etc.) perform the method described in some part of each embodiment of the application or embodiment.
To the above-mentioned explanation of the disclosed embodiments, professional and technical personnel in the field are realized or uses the application.To be apparent for those skilled in the art to the multiple amendment of these embodiments, General Principle as defined herein when not departing from the spirit or scope of the application, can realize in other embodiments.Therefore, the application can not be restricted to these embodiments shown in this article, but will meet the widest scope consistent with principle disclosed herein and features of novelty.
Claims (10)
1. a Geoplane detector, is characterized in that, comprising: master controller, photoelectric detection unit, signal processing unit, display unit and Power Management Unit, wherein:
Described photoelectric detection unit, for receiving the light signal that Geoplane exports, and is converted to electric signal by described light signal and sends described signal processing unit to;
Described signal processing unit comprises: the main amplifying unit of pre-amplifier unit, comparing unit and two-stage;
Described pre-amplifier unit, for carrying out elementary amplification process to described electric signal, the electric signal after being amplified;
Described comparing unit, for the electric signal after described amplification and reference signal being compared, and is converted to logic level signal and sends to described master controller by comparative result;
The main amplifying unit of described two-stage, for receiving the amplification order that described master controller is determined according to described logic level signal to need to export when continuing to amplify to electric signal, realizing classification to electric signal and amplifying process;
Described display unit, the position being used to indicate described photoelectric detection unit receiving optical signals that level height or display master controller for showing the Geoplane judged according to electric signal that described master controller exports export arrives the instruction icon of described photoelectric detection unit center;
Described Power Management Unit, for powering for master controller, photoelectric detection unit, signal processing unit, display unit.
2. Geoplane detector according to claim 1, is characterized in that, also comprise:
Key-press input unit, for controlling the folding of described Power Management Unit, the operating accuracy of switched system and regulating volume.
3. Geoplane detector according to claim 2, is characterized in that, what described key-press input unit adopted is AD sampling touch key.
4. Geoplane detector according to claim 1, is characterized in that, also comprise:
Alarm unit, the diverse location for the photoelectric detection unit receiving optical signals judged according to master controller sends different alerting signals.
5. Geoplane detector according to claim 4, is characterized in that, described alarm unit is hummer.
6. Geoplane detector according to claim 1, is characterized in that, described signal processing unit also comprises: filter unit and waveform converter unit, wherein:
Described filter unit, for closing road by the electric signal after amplification and carrying out filtering process, the amplification signal after output filtering;
Described waveform converter unit, for carrying out waveform conversion to the electric signal after amplification, filtering process, outputting standard square wave sends master controller to.
7. Geoplane detector according to claim 1, is characterized in that, described pre-amplifier unit is low noise amplifier circuit.
8. Geoplane detector according to claim 1, is characterized in that, described master controller is Cortex-M3 single-chip microcomputer.
9. Geoplane detector according to claim 1, is characterized in that, described photoelectric detection unit is high-speed silicon light diode array.
10. Geoplane detector according to claim 1, is characterized in that, described display unit is LCD display.
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4378693A (en) * | 1981-02-11 | 1983-04-05 | Hambro International (Structures) Limited | Deflection measuring system |
| CN1782664A (en) * | 2004-11-30 | 2006-06-07 | 亚洲光学股份有限公司 | Laser position judging system and method |
| CN101078620A (en) * | 2007-07-06 | 2007-11-28 | 中国农业大学 | Ground leveling system installed with laser receiver |
| CN201764967U (en) * | 2010-07-12 | 2011-03-16 | 苏州亿帝电子科技有限公司 | Continuous laser detector |
| CN203642927U (en) * | 2013-12-19 | 2014-06-11 | 上海诺司纬光电仪器有限公司 | Laser swinger detector |
-
2013
- 2013-12-19 CN CN201310705626.8A patent/CN104729487B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4378693A (en) * | 1981-02-11 | 1983-04-05 | Hambro International (Structures) Limited | Deflection measuring system |
| CN1782664A (en) * | 2004-11-30 | 2006-06-07 | 亚洲光学股份有限公司 | Laser position judging system and method |
| CN101078620A (en) * | 2007-07-06 | 2007-11-28 | 中国农业大学 | Ground leveling system installed with laser receiver |
| CN201764967U (en) * | 2010-07-12 | 2011-03-16 | 苏州亿帝电子科技有限公司 | Continuous laser detector |
| CN203642927U (en) * | 2013-12-19 | 2014-06-11 | 上海诺司纬光电仪器有限公司 | Laser swinger detector |
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| CN104729487B (en) | 2018-04-17 |
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