CN102506834B - Laser receiver - Google Patents
Laser receiver Download PDFInfo
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- CN102506834B CN102506834B CN2011103616454A CN201110361645A CN102506834B CN 102506834 B CN102506834 B CN 102506834B CN 2011103616454 A CN2011103616454 A CN 2011103616454A CN 201110361645 A CN201110361645 A CN 201110361645A CN 102506834 B CN102506834 B CN 102506834B
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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
At 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, be extensive use of laser level or Geoplane, it can send many orthogonal redness of a level or blue laser line, for increasing 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, be visible at 10 meters with the inner laser line probably closely, when high illumination and remote the use, just need a kind of laser pickoff to identify 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 different colors respectively, perhaps go up, following homochromy and middle not homochromy the indication.Receiving element is made up of two mutual close photoelectric cells, and during photoelectric cell above light impinges upon, following pilot lamp is bright, above expression light impinges upon, 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 received irradiation up and down, middle pilot lamp was bright, 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, mobile again, the shake of hand is unavoidable, this can bring the error of measurement, also is ignorant to how many displacements that relatively moved of benchmark position in search procedure simultaneously.
Summary of the invention
The present invention seeks to: in order to overcome the deficiency of existing laser pickoff, the invention provides a kind of laser pick-off sensor of can adjusting automatically for the laser pickoff of laser rays receiving position, 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 for the influence of measuring accuracy, make the use of laser pickoff can be more simple and easy to do.
Technical scheme of the present invention is: a kind of laser pickoff, the main frame that comprises at least one laser pick-off sensor and be used for identifying laser pick-off sensor laser rays receiving position and export 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 the sensor displacement drive that can move to obtain laser rays optimum reception position according to the identification signal driving laser receiving sensor of main frame output.
Further, main frame described in the present invention comprises continuous signal amplification circuit module and CPU, and described 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 sensor of laser pick-off described in the present invention can use one, can certainly use more than two simultaneously, and in the preferred version of reality: the quantity that the present invention tends to described laser pick-off sensor is more than two, described main frame also comprises signal shift switch selection circuit module, described laser pick-off sensor selects circuit module to link to each other with the signal amplification circuit module through signal shift switch, and described CPU selects circuit to link to each other with this signal shift switch simultaneously.In the concrete work, any one 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, allow its selected this laser pick-off sensor that receives laser rays in advance finish remaining laser pick-off work; That is to say next only this laser pick-off sensor that is selected of responsible transmission and the signal transmission work between signal amplification circuit module and the CPU of signal shift switch selection circuit, it is finely tuned until this laser pick-off sensor of selecting obtain laser rays reception 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.
The displacement drive of sensor described in the present invention mainly refers to drive the mechanism that drives the laser pick-off sensor movement by electricity, though be a kind of technique known means, is applied to laser pickoff also beyond example.The concrete form of described sensor displacement drive can be varied, and that the present invention also preferably adopts is a kind of reliable, mobile form stably, be that described sensor displacement drive comprises synchronous pulley driving mechanism, described 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, described laser pick-off sensor is fixed in describedly to be with synchronously, and described CPU links to each other with the driving circuit of motor.
Further, the present invention also comprises the displacement stabilizing mechanism, described displacement stabilizing mechanism comprises the guide rail that the line of centres with driven wheel is arranged in parallel, and is located on the guide rail slide block that can move back and forth along guide rail, and described laser pick-off sensor is fixed on the described slide block simultaneously; Comprise that also be arranged in the guide rail two ends two are used for preventing that the laser pick-off sensor from moving the photoelectric limit switch that exceeds the guide rail effective travel, described two photoelectric limit switch all link to each other with CPU, in case wherein any one photoelectric limit switch detects the laser pick-off sensor and exceeds the guide rail effective travel, to send signal immediately and give CPU, 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.
Further, the present invention also comprises liquid crystal displacement display device and sensor displacement detector, described sensor displacement detector comprises that photoelectricity zero-bit switch and displacement pulse signals detect sensing device, described photoelectricity zero-bit switch links to each other with CPU, is used for the initial position of recording laser receiving sensor; Described displacement pulse signals detects sensing device and links to each other with CPU, converts pulse signal to for the displacement signal with the laser pick-off sensor movement, and this pulse signal is transferred to CPU is processed into data-signal; Described liquid crystal displacement display device also links to each other with CPU, shows for the form of the data-signal that CPU is exported with numeral or scale.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, another then can be with the same moved further of laser pick-off sensor (when for example specifically implementing, this detection head can be fixed 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.
Certainly, 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 utilize the step-by-step counting of stepper motor feedback to come accurately displacement calculating amount by CPU, and be processed into data-signal and export to liquid crystal displacement display device and show.
The sensor of laser pick-off described in the present invention, signal indicating device and liquid crystal displacement display device are routine techniques, 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, described laser pick-off sensor comprises two mutual close light activated elements, two photoelectric cells for example, above laser rays impinges upon or below photoelectric cell on the time, it all not qualified laser rays receiving position, all need to 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.Described light shows that the identification output unit comprises upper pilot lamp, meta pilot lamp and the next pilot lamp, it is shinny when described upper pilot lamp receives laser rays for the light activated element that is positioned at the bottom when the laser pick-off sensor, described the next pilot lamp is used for shinny when the superposed light activated element of laser pick-off sensor receives laser rays, and described meta pilot lamp is for shinny when two light activated elements of laser pick-off sensor all receive laser rays.Described voice recognition output unit can be selected conventional hummer, and described hummer is predeterminable a plurality of alert audio, the laser rays receiving position that corresponding laser pick-off sensor is different and send different alarm sounds.
The present invention also can further comprise with CPU and linking to each other for carry out the communication circuit module that data are transmitted with the external world.
The present invention is when actual production, comprise shell, described 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, be vertical laser-based directrix or horizontal laser light datum line according to what receive, 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 namely begin search work automatically immediately.When the laser pick-off sensor does not receive signal, CPU will pump by 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 finish remaining laser pick-off work by 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 drive laser pick-off sensor and move down, light activated element up and down up to the laser pick-off sensor all receives laser signal, also namely reach the optimum reception position of laser rays, middle pilot lamp is bright, and laser pickoff will demonstrate the laser pick-off sensor with respect to the precise displacement of initial position with the form of numeral or scale by 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 laser pick-off sensor with respect to the precise displacement of initial position by liquid crystal displacement display device with the form of numeral or scale this moment equally.When this laser pickoff be used for to receive vertical laser-based directrix, only need laser pickoff half-twist lateral arrangement, guarantee that the laser pick-off sensor is in horizontal movement.
What deserves to be mentioned is in addition, the present invention also can realize " zero setting " function by the built-in program of CPU, namely the position that in the actual detection process laser pick-off sensor 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.
Advantage of the present invention is:
1. this laser pickoff provided by the invention, it makes the laser pick-off sensor can search for and catch laser rays automatically and accurately in the effective travel scope by 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.
2. this laser pickoff 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 the trouble that reads displacement in the routine techniques by height gauge, further improved the practical convenience of laser pickoff.
3. this laser pickoff 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 drawings and Examples 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 perspective view in kind of the present invention (front);
Fig. 3 is perspective view in kind of the present invention (back side);
Fig. 4 is the inner perspective view of material object of the present invention (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: in conjunction with shown in Figure 1, its structural framing of this laser pickoff provided by the invention is as follows: by the laser pick-off sensor, the main frame that is used for identifying 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 to obtain the sensor displacement drive of laser rays optimum reception position according to the identification signal driving laser receiving sensor of main frame output, for detection of the sensor displacement detector of laser pick-off sensor displacement, show 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 powering to each part mentioned above.
In conjunction with Fig. 2, Fig. 3, Fig. 4, Fig. 5 and shown in Figure 6, be a kind of specific embodiment of the present invention specifically.At first as Fig. 2-shown in Figure 5, the concrete object construction of this embodiment has a shell 1, and described 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.
Described shell 1 inside arranges a dividing plate 20, the one side of dividing plate 20 is equipped with the sensor displacement drive, this sensor displacement drive is made of jointly synchronous pulley driving mechanism and displacement stabilizing mechanism two parts in the present embodiment, described 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, described 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 described laser pick-off sensor 9 is fixed in describedly to be with on 8 synchronously.Described displacement stabilizing mechanism is by the guide rail 5 that is arranged in parallel with driven wheel 6,7 the line of centres, be located on the guide rail 5 slide block 3 that can move back and forth along guide rail 5, and be arranged in two of guide rail 5 two ends and be used for preventing that laser pick-off sensor 9 from moving the photoelectric limit switch 4 that exceeds guide rail 5 effective travels and constituting jointly that described laser pick-off sensor 9 is fixed on the described slide block 3 simultaneously.
The displacement detector of sensor described in the present embodiment specifically detects sensing device two parts by photoelectricity zero-bit switch and displacement pulse signals to be formed, and described photoelectricity zero-bit switch 2 is arranged at described guide rail 5 one sides.It is prior art that described 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.Described displacement pulse signals detects sensing device can convert the relative shift between two detection heads to pulse signal.
The another side of described dividing plate 20 is equipped with main frame, and described main frame is the control circuit board 11 of having integrated signal shift switch selection circuit module, signal amplification circuit module, CPU and communication circuit module.
Specifically in conjunction with shown in Figure 6, described 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 described CPU selects circuit to link to each other with this signal shift switch simultaneously.Two photoelectric limit switch 4 in the described displacement stabilizing mechanism all link to each other with CPU, in case wherein any one photoelectric limit switch 4 detects the laser pick-off sensor and 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.Described photoelectricity zero-bit switch 2 links to each other with CPU, is used for the initial position of recording laser receiving sensor 9; Described displacement pulse signals detects sensing device and links to each other with CPU, is used for converting the displacement signal that laser pick-off sensor 9 moves to pulse signal, and this pulse signal is transferred to CPU is processed into data-signal; Described liquid crystal displacement display device 15 also links to each other with CPU, shows for the form of the data-signal that CPU is exported with numeral or scale.Described communication circuit module also links to each other with CPU, is used for carrying out the data transmission with the external world.
Signal indicating device described in the present embodiment has adopted light to show identification output unit and voice recognition output unit two parts simultaneously.Described 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, described laser pick-off sensor 9 equally comprises two mutual close light activated elements with routine techniques, it is shinny when described upper pilot lamp 12 receives laser rays for the light activated element that is positioned at the bottom when laser pick-off sensor 9, described the next pilot lamp 14 is used for shinny when laser pick-off sensor 9 superposed light activated elements receive laser rays, and described meta pilot lamp 13 is for shinny when 9 two light activated elements of laser pick-off sensor all receive laser rays.Described voice recognition output unit is selected conventional hummer 16, is preset with three alert audio in the described hummer 16, can corresponding laser pick-off sensor 9 above-mentioned different laser rays receiving position situations and send different alarm sounds.
In conjunction with Fig. 2-shown in Figure 5, the front of shell described in the present embodiment 1 is provided with laser pick-off window 17 again, receives for inner laser pick-off sensor 9 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), the front and back of described 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.
In conjunction with Fig. 2-shown in Figure 6, present embodiment is when concrete the use, place in effective reception stroke of laser beam emitting devices such as laser level or Geoplane, be vertical laser-based directrix or horizontal laser light datum line according to what receive, establish 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 namely begin search work automatically immediately.When laser pick-off sensor 9 does not receive signal, CPU will pump by 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, allow its selected this laser pick-off sensor 9 that receives laser rays in advance finish 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 drive laser pick-off sensors 9 and move down, light activated element up and down up to laser pick-off sensor 9 all receives laser signal, also namely reach the optimum reception position of laser rays, middle pilot lamp 13 bright (sending alarm sound simultaneously), laser pickoff will demonstrate laser pick-off sensor 9 with respect to the precise displacement of initial position with the form of numeral or scale by 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 laser pick-off sensor with respect to the precise displacement of initial position by liquid crystal displacement display device 15 with the form of numeral or scale this moment equally.When this laser pickoff be used for to receive vertical laser-based directrix, only need receiver half-twist lateral arrangement, guarantee that the laser pick-off sensor is in horizontal movement.
What deserves to be mentioned is in addition, the present invention also can realize " zero setting " function by the built-in program of CPU, namely the position that 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.
Certainly above-described embodiment only is explanation technical conceive of the present invention and characteristics, and its purpose is to allow 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 spiritual essence 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 (6)
1. laser pickoff, the main frame that comprises at least one laser pick-off sensor and be used for identifying laser pick-off sensor laser rays receiving position and export 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 the sensor displacement drive that can move to obtain laser rays optimum reception position according to the identification signal driving laser receiving sensor of main frame output, described main frame comprises continuous signal amplification circuit module and CPU, described laser pick-off sensor links to each other with the signal amplification circuit module, CPU then links to each other with the driving circuit of sensor displacement drive
Also comprise liquid crystal displacement display device and sensor displacement detector, described sensor displacement detector comprises that photoelectricity zero-bit switch and displacement pulse signals detect sensing device, described photoelectricity zero-bit switch links to each other with CPU, is used for the initial position of recording laser receiving sensor; Described displacement pulse signals detects sensing device and links to each other with CPU, converts pulse signal to for the displacement signal with the laser pick-off sensor movement, and this pulse signal is transferred to CPU is processed into data-signal; Described liquid crystal displacement display device also links to each other with CPU, shows for the form of the data-signal that CPU is exported with numeral or scale;
Perhaps, described sensor displacement drive comprises synchronous pulley driving mechanism, described 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, described laser pick-off sensor is fixed in describedly to be with synchronously, and described CPU links to each other with the driving circuit of motor; Also comprise liquid crystal displacement display device and sensor displacement detector, described sensor displacement detector comprises photoelectricity zero-bit switch, and described photoelectricity zero-bit switch links to each other with CPU, is used for the initial position of recording laser receiving sensor; Described motor is stepper motor, and described 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; Described liquid crystal displacement display device also links to each other with CPU, shows for the form of the data-signal that CPU is exported with numeral or scale.
2. laser pickoff according to claim 1, the quantity that it is characterized in that described laser pick-off sensor is more than two, described main frame also comprises signal shift switch selection circuit module, described laser pick-off sensor selects circuit module to link to each other with the signal amplification circuit module through signal shift switch, and described CPU selects circuit to link to each other with this signal shift switch simultaneously.
3. laser pickoff according to claim 1 and 2, it is characterized in that also comprising the displacement stabilizing mechanism, described 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, described laser pick-off sensor is fixed on the described slide block simultaneously; Comprise that also be arranged in the guide rail two ends two are used for preventing that the laser pick-off sensor from moving the photoelectric limit switch that exceeds the guide rail effective travel, described two photoelectric limit switch all link to each other with CPU.
4. laser pickoff according to claim 1 and 2 is characterized in that described signal indicating device is that light shows the identification output unit, and perhaps the voice recognition output unit perhaps comprises both simultaneously.
5. laser pickoff according to claim 4, it is characterized in that described light shows that the identification output unit comprises upper pilot lamp, meta pilot lamp and the next pilot lamp, described laser pick-off sensor comprises two mutual close light activated elements, it is shinny when described upper pilot lamp receives laser rays for the light activated element that is positioned at the bottom when the laser pick-off sensor, described the next pilot lamp is used for shinny when the superposed light activated element of laser pick-off sensor receives laser rays, and described meta pilot lamp is for shinny when two light activated elements of laser pick-off sensor all receive laser rays.
6. laser pickoff according to claim 1 and 2 is characterized in that also comprising with CPU linking to each other for carry out the communication circuit module that data are transmitted with the external world.
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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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Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103105161B (en) * | 2012-12-29 | 2015-09-09 | 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 |
| CN106325196B (en) * | 2015-10-23 | 2019-02-01 | 国网上海市电力公司 | Handheld terminal detection laser homing mechanism |
| 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 |
| CN112611395B (en) | 2020-12-31 | 2022-07-08 | 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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| CN101975063A (en) * | 2010-09-10 | 2011-02-16 | 中国矿业大学 | Laser guided positioning and orientation device and method of roadheader |
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