CN102506834A - Laser receiver - Google Patents
Laser receiver Download PDFInfo
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- CN102506834A CN102506834A CN2011103616454A CN201110361645A CN102506834A CN 102506834 A CN102506834 A CN 102506834A CN 2011103616454 A CN2011103616454 A CN 2011103616454A CN 201110361645 A CN201110361645 A CN 201110361645A CN 102506834 A CN102506834 A CN 102506834A
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Abstract
The invention discloses a laser receiver, which comprises at least one laser receiving sensor and a host computer for identifying a laser ray receiving position of the laser receiving sensor and outputting an identification signal, and a signal indication device capable of emitting an indication signal according to the identification signal output by the host computer. The laser receiver is characterized by further comprising a sensor displacement drive device capable of driving the laser receiving sensor to move so as to obtain the optimal receiving position of the laser ray according to the identification signal output by the host computer. The laser receiving sensor can automatically and accurately search and capture the laser ray in an effective travel range by increasing the sensor displacement drive device according to the laser receiver provided by the invention so that the influence of hand shake to the testing accuracy in a routine technique is avoided, and the laser receiver is more accurate and reliable in testing and is used more conveniently and feasibly.
Description
Technical field
the present invention relates to a kind of laser pickoff.
Background technology
are present; In the construction and checking and accepting in building ground, finishing building site, road construction building site, equipment mounting site and pipeline wiring building site; Widely-used laser level or Geoplane, it can send many orthogonal redness of a level or blue laser line, and being increases antijamming capability; Usually laser rays also can be modulated into the fluctuating signal of 5khz-10khz or 0-30hz, and level and vertical reference can be provided rapidly and accurately.In the low-light (level) environment, closely general is visible at 10 meters with the inner laser line, when high illumination and remote the use, just needs a kind of laser pickoff to discern the position of laser pickoff.The use of laser pickoff is like this: three positions (upper, middle and lower) pilot lamp is arranged on the laser pickoff, use three kinds of various colors respectively, perhaps go up, following homochromy and middle not homochromy the indication.Receiving element by two each other near photoelectric cell forms, during photoelectric cell above light impinges upon, following pilot lamp is bright, represent that light impinges upon above; Move down, when the photoelectric cell below light impinges upon, the instruction from above lamp is bright; Below expression light impinges upon, move up, when photoelectric cell all receives irradiation up and down; Middle pilot lamp is bright, and hummer sends continuous sound simultaneously, and the expression laser rays is in the position of center.If the laser pickoff half-twist, but reach the vertical laser rays of move left and right laser instrument removal search, the method for judgement is identical.The supporting laser pickoff of existing automatic horizontal level all is to lean on staff up and down or move left and right; The removal search laser rays; Should keep level in operation, move again, the shake of hand is unavoidable; This can bring the error of measurement, in search procedure, also is ignorant to how many displacements that relatively moved of benchmark position simultaneously.
Summary of the invention
the present invention seeks to: in order to overcome the deficiency of existing laser pickoff; The present invention provides a kind of can adjust the laser pickoff of laser pick-off sensor for the laser rays receiving position automatically; It can search for and catch laser rays automatically and accurately in the effective travel scope; To drive away in the routine techniques hand tremor, make the use of laser pickoff can be more simple and easy to do for the influence of measuring accuracy.
technical scheme of the present invention is: a kind of laser pickoff; Comprise at least one laser pick-off sensor and the main frame that is used to discern laser pick-off sensor laser rays receiving position and exports identification signal; And the signal indicating device that can send indicator signal according to the identification signal of main frame output, it is characterized in that also comprising and can move according to the identification signal driving laser receiving sensor of main frame output to obtain the sensor displacement drive of laser rays optimum reception position.
are further, and main frame described in the present invention comprises continuous signal amplification circuit module and CPU, and said laser pick-off sensor links to each other with the signal amplification circuit module, and CPU then links to each other with the driving circuit of sensor displacement drive.
The laser pick-off sensor can use one described in
the present invention; Can certainly use more than two simultaneously; And in the preferred version of reality: the quantity that the present invention tends to said laser pick-off sensor is more than two; Said main frame also comprises signal shift switch selection circuit module; Said laser pick-off sensor selects circuit module to link to each other with the signal amplification circuit module through signal shift switch, and said CPU selects circuit to link to each other with this signal shift switch simultaneously.In the concrete work; Any laser pick-off sensor that receives laser rays in advance will pass to signal of CPU; CPU will feed back a control signal and select circuit module to signal shift switch immediately, let its selected laser pick-off sensor that this receives laser rays in advance accomplish remaining laser pick-off work; That is to say next only responsible this laser pick-off sensor that is chosen of transmission of signal shift switch selection circuit and the signal transmission work between signal amplification circuit module and the CPU, it is finely tuned until this selected laser pick-off sensor acquisition laser rays receive the optimum position.Adopt a plurality of laser pick-off sensors can increase the laser rays range of receiving, thereby reduce the displacement of laser pick-off sensor, improve the work efficiency of whole laser pickoff.
Sensor displacement drive described in
the present invention mainly is meant through electricity and drives the mechanism that drives the laser pick-off sensor movement, though be a kind of technique known means, is applied to laser pickoff also beyond example.The concrete form of said sensor displacement drive can be varied; And that the present invention also preferably adopts is a kind of reliable; Move form stably, promptly said sensor displacement drive comprises synchronous pulley driving mechanism, and said synchronous pulley driving mechanism is by driving wheel; Engaged wheel; Be placed in synchronous band and the connection on the driven wheel and drive the driving wheel motor rotating and constitute jointly, said laser pick-off sensor is fixed in saidly to be with synchronously, and said CPU links to each other with the driving circuit of motor.
are further; The present invention also comprises the displacement stabilizing mechanism; Said displacement stabilizing mechanism comprises the guide rail that the line of centres with driven wheel is arranged in parallel; And be located on the guide rail slide block that can move back and forth along guide rail, said laser pick-off sensor is fixed on the said slide block simultaneously; Comprise that also two of being arranged in the guide rail two ends are used to prevent that the laser pick-off sensor from moving the photoelectric limit switch that exceeds the guide rail effective travel; Said two photoelectric limit switch all link to each other with CPU; In case wherein any photoelectric limit switch detects the laser pick-off sensor and exceeds the guide rail effective travel; To send signal immediately and give CPU, and send the running of instruction stop sensor displacement drive by CPU, anti-locking apparatus damages.Stationarity when the introducing of displacement stabilizing mechanism can guarantee further that the laser pick-off sensor moves, thus the precision that it receives for laser rays improved to a certain extent.
are further; The present invention also comprises liquid crystal displacement display device and sensor displacement detector; Said sensor displacement detector comprises that photoelectricity zero-bit switch and displacement pulse signals detect sensing device; Said photoelectricity zero-bit switch links to each other with CPU, is used for the initial position of recording laser receiving sensor; Said displacement pulse signals detects sensing device and links to each other with CPU, is used for the displacement conversion of signals of laser pick-off sensor movement is become pulse signal, and this pulse signal is transferred to CPU is processed into data-signal; Said liquid crystal displacement display device also links to each other with CPU, is used for the data-signal of the CPU output form with numeral or scale is shown.It is prior art that displacement pulse signals described in the present invention detects sensing device; It has two detection heads of activity relatively; One of them detection head is fixed, and another then can be with the same moved further of laser pick-off sensor (for example during practical implementation, can be fixed on this detection head on the above-mentioned slide block that moves back and forth along guide rail); Displacement pulse signals detects sensing device can convert the relative shift between two detection heads to pulse signal, passes to CPU and handles.
are certain; In the utilization of reality; If what the motor among the present invention adopted is stepper motor; Then the present invention also can not adopt displacement pulse signals to detect sensing device and detect displacement, but directly utilizes the step-by-step counting of stepper motor feedback to come accurately displacement calculating amount by CPU, and is processed into data-signal and exports to liquid crystal displacement display device and show.
Laser pick-off sensor, signal indicating device and liquid crystal displacement display device are routine techniques described in
the present invention, be well known to those skilled in the art, but liquid crystal displacement display device applications really do not have precedent in the present invention.The same with routine techniques; Said laser pick-off sensor comprise two each other near light activated element, two photoelectric cells for example are in the time of on the photoelectric cell when laser rays impinges upon above below perhaps; It all not qualified laser rays receiving position; All need make corresponding adjustment, have only when upper and lower photoelectric cell all receives irradiation, be only laser rays optimum reception position.
Signal indicating device described in
the present invention can be that light shows the identification output unit, and perhaps the voice recognition output unit perhaps comprises both simultaneously.Said light shows that the identification output unit comprises upper pilot lamp, meta pilot lamp and the next pilot lamp; Said upper pilot lamp is used for when light activated element that the laser pick-off sensor is positioned at the bottom receives laser rays shinny; Said the next pilot lamp is used for when the superposed light activated element of laser pick-off sensor receives laser rays shinny, and that said meta pilot lamp is used for when two light activated elements of laser pick-off sensor all receive laser rays is shinny.Said voice recognition output unit can be selected conventional hummer, and said hummer is predeterminable to have a plurality of alert audio, corresponding laser pick-off sensor different laser line receiving position and send different alarm sounds.
the present invention also can further comprise linking to each other with CPU and is used for carrying out with the external world communication circuit module of data transfer.
the present invention is when actual production; Comprise shell, said laser pick-off sensor, main frame, signal indicating device, sensor displacement drive, liquid crystal displacement display device, photoelectricity zero-bit switch, electro-optical distance measurement sensor and displacement stabilizing mechanism all are installed in the shell.
the present invention is when concrete the use; Place in effective reception stroke of laser beam emitting devices such as laser level or Geoplane; According to what receive is vertical laser-based directrix or horizontal laser light datum line; Establish the arranged direction of whole laser pickoff, for vertically arranging, guarantee that the laser pick-off sensor is in vertically moving when for example receiving the horizontal laser light datum line.To the laser pickoff energising, just promptly begin search work automatically immediately.When the laser pick-off sensor does not receive signal, CPU will pump through sensor displacement drive driving laser receiving sensor, and laser rays is searched for.When the laser pick-off sensor receives laser signal, if adopt a plurality of laser pick-off sensors, then CPU will accomplish remaining laser pick-off work through the laser pick-off sensor that signal shift switch selects the circuit module locking to receive laser rays in advance.Immediately; To do accurate the measurement to laser rays under the control of CPU: when the light activated element on laser pick-off sensor top receives laser signal; The next pilot lamp is lighted (can send alarm sound simultaneously); CPU will send control signal driving sensor displacement drive and drive the laser pick-off sensor and move down, and all receive laser signal up to the light activated element up and down of laser pick-off sensor, also promptly reach the optimum reception position of laser rays; Middle pilot lamp is bright, and laser pickoff will demonstrate the precise displacement of laser pick-off sensor with respect to initial position with the form of numeral or scale through liquid crystal displacement display device this moment.And when the light activated element of laser pick-off sensor bottom receives laser signal; Upper pilot lamp is lighted (can send alarm sound simultaneously); CPU will send control signal driving sensor displacement drive drive laser pick-off sensor and move up; Light activated element up and down up to the laser pick-off sensor all receives laser signal; Till middle pilot lamp was lighted, demonstrated the precise displacement of laser pick-off sensor with respect to initial position by liquid crystal displacement display device with the form of numeral or scale this moment equally.When this laser pickoff is used to receive vertical laser-based directrix, only need laser pickoff half-twist lateral arrangement, guarantee that the laser pick-off sensor is in laterally moving.
what deserves to be mentioned is in addition; The present invention also can realize " zero setting " function by the built-in program of CPU; The position that promptly in the actual detection process, the laser pick-off sensor in real time is stopped to be predisposed to zero-bit; When moving to the next position with convenient laser pick-off sensor, can the convenient displacement difference that calculates fast between the two, so that the demonstration directly perceived of data.
Advantage of the present invention is:
this laser pickoff 1. provided by the invention; It makes the laser pick-off sensor can in the effective travel scope, search for and catch laser rays automatically and accurately through increasing the sensor displacement drive; Thereby driven away in the routine techniques hand tremor for the influence of measuring accuracy; Make that the test of laser pickoff is more accurately reliable, make that also the use of laser pickoff is more simple and easy to do.
this laser pickoff 2. provided by the invention; Increased the liquid crystal display function; Can show that detecting the laser pick-off sensor obtain receives in the laser rays process displacement with respect to initial position; Drive away in the routine techniques trouble that reads displacement through height gauge, further improved the practical convenience of laser pickoff.
this laser pickoff 3. provided by the invention; Can provide the laser pick-off sensor to show the function of zero setting at an arbitrary position; The test of very convenient displacement difference guarantees that the laser pick-off sensor can search for laser rays more automatically fast in the stroke of effectively design.
Description of drawings
Below in conjunction with accompanying drawing and embodiment the present invention is further described:
Fig. 1 is main structure block diagram of the present invention (omitting the power supply input media);
Fig. 2 is a perspective view in kind of the present invention (front);
Fig. 3 is a perspective view in kind of the present invention (back side);
Fig. 4 is the inner perspective view of material object of the present invention (a front synchronous pulley driving mechanism);
Fig. 5 is the inner perspective view of material object of the present invention (back side);
Fig. 6 is circuit structure block diagram of the present invention (omitting the power supply input media).
wherein: 1, shell; 2, photoelectricity zero-bit switch; 3, slide block; 4, photoelectric limit switch; 5, guide rail; 6, driving wheel; 7, engaged wheel; 8, be with synchronously; 9, laser pick-off sensor; 10, motor; 11, control circuit board; 12, upper pilot lamp; 13, meta pilot lamp; 14, the next pilot lamp; 15, liquid crystal displacement display device; 16, hummer; 17, laser pick-off window; 18, communication interface; 19, power input interface; 20, dividing plate; 21, electric battery.
Embodiment
embodiment: combine shown in Figure 1; Its structural framing of this laser pickoff provided by the invention is following: by the laser pick-off sensor; The main frame that is used to discern laser pick-off sensor laser rays receiving position and exports identification signal; Can send the signal indicating device of indicator signal according to the identification signal of main frame output; Can move according to the identification signal driving laser receiving sensor of main frame output to obtain the sensor displacement drive of laser rays optimum reception position; The sensor displacement detector that is used for the displacement of detection laser receiving sensor shows the liquid crystal displacement display device of laser pick-off sensor displacement and this common formation of several sections institute of power supply input media of supplying power to each part mentioned above.
specifically combine Fig. 2, Fig. 3, Fig. 4, Fig. 5 and shown in Figure 6, are a kind of specific embodiments of the present invention.At first like Fig. 2-shown in Figure 5; The concrete object construction of this embodiment has a shell 1, and said laser pick-off sensor 9, main frame, signal indicating device, sensor displacement drive, sensor displacement detector, liquid crystal displacement display device 15 and power supply input media all are arranged in this shell 1.
said shell 1 set inside one dividing plate 20; The one side of dividing plate 20 is equipped with the sensor displacement drive; This sensor displacement drive is made up of synchronous pulley driving mechanism and displacement stabilizing mechanism two parts jointly in the present embodiment, and said synchronous pulley driving mechanism is by driving wheel 6, engaged wheel 7; Be placed in and be with 8 and connect and drive driving wheel 6 motor rotating 10 and constitute jointly synchronously on the driven wheel 6,7, said motor 10 is installed on dividing plate 20 another sides.The quantity of the sensor of laser pick-off described in the present embodiment 9 is three (a laser pick-off sensor only draws in the pictorial diagram of Fig. 2-Fig. 5), and said laser pick-off sensor 9 is fixed in saidly to be with on 8 synchronously.The guide rail 5 that said displacement stabilizing mechanism is arranged in parallel by the line of centres with driven wheel 6,7; Be located on the guide rail 5 slide block 3 that can move back and forth along guide rail 5; And two of being arranged in guide rail 5 two ends are used to prevent that laser pick-off sensor 9 from moving the photoelectric limit switch 4 that exceeds guide rail 5 effective travels and constituting jointly, and said laser pick-off sensor 9 is fixed on the said slide block 3 simultaneously.
Sensor displacement detector described in
present embodiment specifically detects sensing device two parts by photoelectricity zero-bit switch and displacement pulse signals to be formed, and said photoelectricity zero-bit switch 2 is arranged at said guide rail 5 one sides.It is prior art that said displacement pulse signals detects sensing device; It has two detection heads (not drawing among the figure) of activity relatively; One of them detection head is fixed on the dividing plate 20; And another detection head is fixed on the above-mentioned slide block 3 that moves back and forth along guide rail 5, can be with laser pick-off sensor 9 same moved further.Said displacement pulse signals detects sensing device can convert the relative shift between two detection heads to pulse signal.
The another side of
said dividing plate 20 is equipped with main frame, and said main frame is a control circuit board 11 of having integrated signal shift switch selection circuit module, signal amplification circuit module, CPU and communication circuit module.
specifically combine shown in Figure 6; Said three laser pick-off sensors 9 all select circuit module to link to each other with the signal amplification circuit module through signal shift switch; The signal amplification circuit module links to each other with CPU; CPU then links to each other with the driving circuit of motor 10, and said CPU selects circuit to link to each other with this signal shift switch simultaneously.Two photoelectric limit switch 4 in the said displacement stabilizing mechanism all link to each other with CPU; In case detecting the laser pick-off sensor, wherein any photoelectric limit switch 4 exceeds guide rail 5 effective travels; To send signal immediately and give CPU, and send instruction by CPU and stop motor 10 runnings, anti-locking mechanism damages.Said photoelectricity zero-bit switch 2 links to each other with CPU, is used for the initial position of recording laser receiving sensor 9; Said displacement pulse signals detects sensing device and links to each other with CPU, is used for the displacement conversion of signals that laser pick-off sensor 9 moves is become pulse signal, and this pulse signal is transferred to CPU is processed into data-signal; Said liquid crystal displacement display device 15 also links to each other with CPU, is used for the data-signal of the CPU output form with numeral or scale is shown.Said communication circuit module also links to each other with CPU, is used for carrying out data transfer with the external world.
Signal indicating device described in
present embodiment has adopted light to show identification output unit and voice recognition output unit two parts simultaneously.Said light shows that the identification output unit is the same with routine techniques; Adopt upper pilot lamp 12, meta pilot lamp 13 and the next pilot lamp 14; Said laser pick-off sensor 9 with routine techniques equally comprise two each other near light activated element; Said upper pilot lamp 12 is used for when light activated element that laser pick-off sensor 9 is positioned at the bottom receives laser rays shinny; Said the next pilot lamp 14 is used for when laser pick-off sensor 9 superposed light activated elements receive laser rays shinny, and that said meta pilot lamp 13 is used for when 9 two light activated elements of laser pick-off sensor all receive laser rays is shinny.Said voice recognition output unit is selected conventional hummer 16, is preset with three alert audio in the said hummer 16, can corresponding laser pick-off sensor 9 above-mentioned different laser line receiving position situation and send different alarm sounds.
combine Fig. 2-shown in Figure 5 again, and the front of shell described in the present embodiment 1 is provided with laser pick-off window 17, supply inner laser pick-off sensor 9 to receive so that laser rays can see through this window.The back side of shell 1 is provided with liquid crystal displacement display device 15 (display screen part), hummer 16 (loudspeaker part), and the front and back of said shell 1 is equipped with position, upper, middle and lower pilot lamp 12,13,14, makes things convenient for the user to observe wigwag from the two sides.The back side of shell 1 also is provided with shift knobs such as power switch, laser signal receiving key, nulling switch simultaneously.The side of shell 1 then is provided with communication interface 18 and power input interface 19.The power supply input media of present embodiment adopts DC power supply input apparatus, but the input of the input external power supply of its power supply also can be imported by the electric battery 21 that install inside.
combination Fig. 2-shown in Figure 6; Present embodiment is when concrete the use; Placing in effective reception stroke of laser beam emitting devices such as laser level or Geoplane, is vertical laser-based directrix or horizontal laser light datum line according to what receive, establishes the arranged direction of whole laser pickoff; For vertically arranging, guarantee that laser pick-off sensor 9 is in vertically moving when for example receiving the horizontal laser light datum line.To the laser pickoff energising, just promptly begin search work automatically immediately.When laser pick-off sensor 9 does not receive signal, CPU will pump through motor 10 driving laser receiving sensors 9, and laser rays is searched for.When laser pick-off sensor 9 receives laser signal; This laser pick-off sensor 9 that receives laser rays in advance will pass to signal of CPU; CPU will feed back a control signal and select circuit module to signal shift switch immediately, let its selected laser pick-off sensor 9 that this receives laser rays in advance accomplish remaining laser pick-off work.Immediately; To do accurate the measurement to laser rays under the control of CPU: when the light activated element on laser pick-off sensor 9 tops receives laser signal; The next pilot lamp 14 is lighted (sending alarm sound simultaneously); CPU will send control signal drive motor 10 and drive laser pick-off sensors 9 and move down, and all receive laser signal up to the light activated element up and down of laser pick-off sensor 9, also promptly reach the optimum reception position of laser rays; Middle pilot lamp 13 bright (sending alarm sound simultaneously), laser pickoff will demonstrate the precise displacement of laser pick-off sensor 9 with respect to initial position with the form of numeral or scale through liquid crystal displacement display device 15 this moment.And when the light activated element of laser pick-off sensor 9 bottoms receives laser signal; Upper pilot lamp 12 is lighted (sending alarm sound simultaneously); CPU will send control signal drive motor 10 drive laser pick-off sensors 9 and move up; Light activated element up and down up to laser pick-off sensor 9 all receives laser signal; Till middle pilot lamp 13 is lighted (sending alarm sound simultaneously), demonstrate the precise displacement of laser pick-off sensor with respect to initial position by liquid crystal displacement display device 15 with the form of numeral or scale this moment equally.When this laser pickoff is used to receive vertical laser-based directrix, only need receiver half-twist lateral arrangement, guarantee that the laser pick-off sensor is in laterally moving.
what deserves to be mentioned is in addition; The present invention also can realize " zero setting " function by the built-in program of CPU; The position that promptly in the actual detection process, laser pick-off sensor 9 is stopped in real time being predisposed to zero-bit; When moving to the next position with convenient laser pick-off sensor, can the convenient displacement difference that calculates fast between the two, so that the demonstration directly perceived of data.
the foregoing description certainly only are explanation technical conceive of the present invention and characteristics, and its purpose is to let the people who is familiar with this technology can understand content of the present invention and enforcement according to this, can not limit protection scope of the present invention with this.The all spirit of main technical schemes is done according to the present invention equivalent transformation or modification all should be encompassed within protection scope of the present invention.
Claims (10)
1. laser pickoff; Comprise at least one laser pick-off sensor and the main frame that is used to discern laser pick-off sensor laser rays receiving position and exports identification signal; And the signal indicating device that can send indicator signal according to the identification signal of main frame output, it is characterized in that also comprising and can move according to the identification signal driving laser receiving sensor of main frame output to obtain the sensor displacement drive of laser rays optimum reception position.
2. laser pickoff according to claim 1; It is characterized in that said main frame comprises continuous signal amplification circuit module and CPU; Said laser pick-off sensor links to each other with the signal amplification circuit module, and CPU then links to each other with the driving circuit of sensor displacement drive.
3. laser pickoff according to claim 2; The quantity that it is characterized in that said laser pick-off sensor is more than two; Said main frame also comprises signal shift switch selection circuit module; Said laser pick-off sensor selects circuit module to link to each other with the signal amplification circuit module through signal shift switch, and said CPU selects circuit to link to each other with this signal shift switch simultaneously.
4. according to claim 2 or 3 described laser pickoffs; It is characterized in that said sensor displacement drive comprises synchronous pulley driving mechanism; Said synchronous pulley driving mechanism is by driving wheel, and engaged wheel is placed in synchronous band and the connection on the driven wheel and drives the driving wheel motor rotating and constitutes jointly; Said laser pick-off sensor is fixed in saidly to be with synchronously, and said CPU links to each other with the driving circuit of motor.
5. laser pickoff according to claim 4; It is characterized in that also comprising the displacement stabilizing mechanism; Said displacement stabilizing mechanism comprises the guide rail that the line of centres with driven wheel is arranged in parallel; And be located on the guide rail slide block that can move back and forth along guide rail, said laser pick-off sensor is fixed on the said slide block simultaneously; Comprise that also two of being arranged in the guide rail two ends are used to prevent that the laser pick-off sensor from moving the photoelectric limit switch that exceeds the guide rail effective travel, said two photoelectric limit switch all link to each other with CPU.
6. according to claim 2 or 3 described laser pickoffs; It is characterized in that also comprising liquid crystal displacement display device and sensor displacement detector; Said sensor displacement detector comprises that photoelectricity zero-bit switch and displacement pulse signals detect sensing device; Said photoelectricity zero-bit switch links to each other with CPU, is used for the initial position of recording laser receiving sensor; Said displacement pulse signals detects sensing device and links to each other with CPU, is used for the displacement conversion of signals of laser pick-off sensor movement is become pulse signal, and this pulse signal is transferred to CPU is processed into data-signal; Said liquid crystal displacement display device also links to each other with CPU, is used for the data-signal of the CPU output form with numeral or scale is shown.
7. laser pickoff according to claim 4; It is characterized in that also comprising liquid crystal displacement display device and sensor displacement detector; Said sensor displacement detector comprises photoelectricity zero-bit switch; Said photoelectricity zero-bit switch links to each other with CPU, is used for the initial position of recording laser receiving sensor; Said motor is a stepper motor, and said CPU utilizes the step-by-step counting of stepper motor feedback to calculate the displacement of laser pick-off sensor, and is processed into data-signal; Said liquid crystal displacement display device also links to each other with CPU, is used for the data-signal of the CPU output form with numeral or scale is shown.
8. according to claim 2 or 3 described laser pickoffs, it is characterized in that said signal indicating device is that light shows the identification output unit, perhaps the voice recognition output unit perhaps comprises both simultaneously.
9. laser pickoff according to claim 8; It is characterized in that said light shows that the identification output unit comprises upper pilot lamp, meta pilot lamp and the next pilot lamp; Said laser pick-off sensor comprise two each other near light activated element; Said upper pilot lamp is used for when light activated element that the laser pick-off sensor is positioned at the bottom receives laser rays shinny; Said the next pilot lamp is used for when the superposed light activated element of laser pick-off sensor receives laser rays shinny, and that said meta pilot lamp is used for when two light activated elements of laser pick-off sensor all receive laser rays is shinny.
10. according to claim 2 or 3 described laser pickoffs, it is characterized in that also comprising linking to each other being used for carrying out the communication circuit module of data transfer with the external world with CPU.
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| CN2011103616454A CN102506834B (en) | 2011-11-16 | 2011-11-16 | Laser receiver |
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| CN2011103616454A CN102506834B (en) | 2011-11-16 | 2011-11-16 | Laser receiver |
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| CN102506834B CN102506834B (en) | 2013-08-14 |
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Cited By (6)
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| CN103105161A (en) * | 2012-12-29 | 2013-05-15 | 南京德朔实业有限公司 | Visualization laser receiver |
| CN104061882A (en) * | 2013-03-19 | 2014-09-24 | 武汉华科新材料有限公司 | Thin plate buckle measuring instrument |
| CN106325196A (en) * | 2015-10-23 | 2017-01-11 | 国网上海市电力公司 | Laser automatic aiming device for detection of hand-held terminal |
| CN108663034A (en) * | 2018-08-09 | 2018-10-16 | 常州米德克光电科技有限公司 | A kind of laser pickoff |
| CN112611395A (en) * | 2020-12-31 | 2021-04-06 | 美国西北仪器公司 | Method and system for calibrating a laser scanner |
| CN115225161A (en) * | 2021-04-20 | 2022-10-21 | 广东博智林机器人有限公司 | Receiving structure, leveling machine and adjusting method |
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