CN101887077A - Laser projected scale system - Google Patents
Laser projected scale system Download PDFInfo
- Publication number
- CN101887077A CN101887077A CN2009100511970A CN200910051197A CN101887077A CN 101887077 A CN101887077 A CN 101887077A CN 2009100511970 A CN2009100511970 A CN 2009100511970A CN 200910051197 A CN200910051197 A CN 200910051197A CN 101887077 A CN101887077 A CN 101887077A
- Authority
- CN
- China
- Prior art keywords
- scale
- laser
- moving
- scale system
- laser projected
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000005259 measurement Methods 0.000 claims abstract description 12
- 239000004411 aluminium Substances 0.000 claims description 6
- 229910052782 aluminium Inorganic materials 0.000 claims description 6
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminum Chemical compound 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[Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 6
- 238000004804 winding Methods 0.000 claims description 6
- RYGMFSIKBFXOCR-UHFFFAOYSA-N copper Chemical compound 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[Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 3
- 239000010949 copper Substances 0.000 claims description 3
- 229910052802 copper Inorganic materials 0.000 claims description 3
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Abstract
The invention relates to a laser projected scale system which comprises a case, a projection source, a reflecting mirror, a scale and a movable element, wherein the movable element is arranged in the case and comprises a moving coil and a pointer arranged on the moving coil; the projection source is arranged at the upper back part of the case; the reflecting mirror is installed on the moving coil and is arranged at the upper part on the back side of the reflecting mirror; and the scale is arranged at the right front part of the case. The laser projected scale system also comprises a moving scale which is a blackboard or wall. The device can be connected with a multimeter used for measuring micro electromotive force. The reflecting mirror is driven to rotate by the rotation of the pointer and reflects laser to the blackboard or wall far away, the blackboard or wall is marked with scale labels used for measurement, or the laser can be directly read through the fixed scale arranged at the right front part of the case. The invention has long service life, low energy consumption, long projection distance, wide application range, low cost, simple structure, easy operation, small size, portability and easy maintenance and repair as well as popularization and application.
Description
Technical field
The present invention relates to a kind of scale, be specifically related to a kind of laser projected scale system.
Background technology
At present, a kind of prior art, the laser radiation of launching from lasing light emitter is in the transmission-type scale.By moving of transmission-type scale, the polarization angle of transmitted light changes according to the orientation of the 1/2 wavelength sheet of arranging along longitudinally.Polarization angle does not allow to be subject to the influence of noise factor such as ambient light.Because analyzer is crossed in transmission and lean on the light intensity of the polarized component that photodetector detected to change according to polarization angle, so change along with moving of transmission-type scale, detection signal is exported to the amount of movement arithmetic unit.If come the computing amount of movement, then can detect amount of movement accurately based on this signal.
Another kind of prior art, laser projector, only just can on the omnirange in the predetermined planes such as surface level, throw continuous light in a narrow margin simultaneously with a light source, and before product export, adjust easily, optical system by fixed cylinder glass and by the somascope portion of axle supporting light sources supporting mass, from the upwardly extending support of somascope portion, and 2 foot sections of extending downwards constitute.Can in surface level, carry out the position adjustment to discoideus reflecting body on the top of support.The parallel rays generating apparatus that is made of light source and lens is installed on the light source placing plate, can be in the enterprising line position adjustment of this light source placing plate.
Also has a kind of prior art, remote measurement laser scale, relate to the design and fabrication technology of measuring apparatus, send equality beam laser transmitter by two and constitute, generating laser is dress optically focused convex lens and a laser diode in being provided with the fixed cover of laser emission port, is fixedly set in the firm banking, firm banking is provided with the positioning screw, the fixed cover afterbody is a spring, and the spring other end leans on the firm banking bonnet, and there are laser emission port and fixed orifice in the firm banking front portion.Two groups of laser send parallel beam, two groups of luminous points are shot with video-corder into, thereby the size of definite testee are used for bottom culture, sea floor exploration, industries such as the observation of forest animal.
The shortcoming of the remote measurement laser scale of this prior art is:
1, the remote measurement laser scale of this prior art uses in the time of can not being used for the light amplification projection owing to be not provided with projection arrangement, and usable range is narrow.
2, the remote measurement laser scale of this prior art is owing to be provided with two parallel generating lasers, the cost height, and complex structure can not be applied to teaching classroom, and experimental phenomena is simple and clear inadequately.
Summary of the invention
The purpose of this invention is to provide a kind of laser projected scale system, the measuring system that can utilize laser projections light source and catoptron to form can be distinguished the reading of measuring voltage by nonadjustable signal and movable scale, so that the student demonstrates observation.
The purpose of laser projected scale system of the present invention is achieved through the following technical solutions: a kind of laser projected scale system comprises housing, is arranged on the projection source of the back upper place of case top; Also comprise catoptron, scale and moving element.
Described moving element is arranged in the housing.
Described moving element is made of moving-coil and the pointer that is arranged on the moving-coil.
Described scale is arranged on the housing front.
Described catoptron is installed in the moving-coil top.
Described catoptron is arranged on the top of back side of shell.
Described catoptron is 0.3 square centimeter of super-thin high efficient level crossing.
Described scale also comprises movable scale, is arranged on blackboard or the wall survey measurements.
Described moving-coil is made of aluminium frame and the coil winding that is wound on the aluminium frame.
Described coil winding is that diameter is the copper enameled wire of 1-1.5mm.
Above-mentioned laser projected scale system, wherein, the moving-coil pointer is connected with catoptron, when pointer deflects, the drive catoptron rotates, and projection source is opened and is radiated on the catoptron, by reflected illumination on blackboard or wall, and on blackboard or wall calibrate, can survey measurements or can directly read by the nonadjustable signal that is arranged on housing of the present invention dead ahead.
Laser projected scale system of the present invention makes it compared with prior art owing to adopted above-mentioned technical scheme, has following advantage and good effect:
1, laser projected scale system of the present invention is owing to be provided with the laser projections light source, and mission life can reach more than 5000 hours, and it is low to consume energy.
2, laser projected scale system of the present invention is owing to be provided with 0.3 square centimeter of super-thin high efficient level crossing as catoptron, and projection distance is far away, and the scope of application arrives hall greatly, and is little of laboratory table.
3, laser projected scale system cost of the present invention is low, simple in structure, and processing ease, the tinkling of pieces of jade are portable ingeniously, is easy to maintenance and repair and popularization and application.
Description of drawings
Fig. 1 is the schematic appearance of laser projected scale system of the present invention.
Fig. 2 is the top view of the inner structure of laser projected scale system of the present invention.
Embodiment
See also shown in accompanying drawing 1 and 2, laser projected scale system of the present invention comprises housing 1, projection source 2, catoptron 3, nonadjustable signal 4 and moving element 5.Projection source 2 adopts the red laser of 650nm, and the constant-current circuit of establishing 6 sections high precision constant current paster devices compositions of employing is projection source 2 power supplies, projection source 2 is arranged on the back upper place at housing 1 top, moving element 5 is arranged in the housing 1, moving element 5 is made of moving-coil 51 and the pointer 52 that is arranged on the moving-coil, moving-coil 51 is made of aluminium frame 511 and the coil winding 512 that is wound on the aluminium frame, nonadjustable signal 4 is arranged on housing 1 front, catoptron 3 is installed on the moving-coil 51, catoptron 3 is arranged on the top at housing 1 back side, catoptron adopts 0.3 square centimeter of super-thin high efficient level crossing, and projection distance is approximately 100 meters, and nonadjustable signal 4 is arranged on housing 1 dead ahead, survey measurements, movable scale (be arranged at a distance, do not mark among the figure) is arranged on blackboard or the wall survey measurements.It is the copper enameled wire of 1-1.5mm that coil winding 512 adopts diameter.
The using method of laser projected scale system of the present invention is, device can be connected with multimeter and be used to measure small electromotive force, driving catoptron when pointer rotates rotates, catoptron reflects the laser light on blackboard or the wall, its subscript is marked with scale label, measurement for long distance is used, and short-range measurement can directly be read on the nonadjustable signal that is arranged on the housing dead ahead.
In sum, laser projected scale system of the present invention is owing to be provided with the laser projections light source, and mission life can reach more than 5000 hours, and it is low to consume energy; The present invention is owing to be provided with 0.3 square centimeter of super-thin high efficient level crossing as catoptron, and projection distance is far away, and the scope of application arrives hall greatly, and is little of laboratory table; Cost of the present invention is low, and is simple in structure, and processing ease, the tinkling of pieces of jade are portable ingeniously, is easy to maintenance and repair and popularization and application.
Claims (5)
1. laser projected scale system comprises housing, is arranged on the projection source of the back upper place of case top; It is characterized in that: also comprise catoptron, scale and moving element;
Described moving element is arranged in the housing;
Described moving element is made of moving-coil and the pointer that is arranged on the moving-coil;
Described scale is arranged on the housing front;
Described catoptron is installed in the moving-coil top;
Described catoptron is arranged on the top of back side of shell.
2. laser projected scale system according to claim 1 is characterized in that: described catoptron is 0.3 square centimeter of super-thin high efficient level crossing.
3. laser projected scale system according to claim 1 is characterized in that: described scale also comprises movable scale, is arranged on blackboard or the wall survey measurements.
4. laser projected scale system according to claim 1 is characterized in that: described moving-coil is made of aluminium frame and the coil winding that is wound on the aluminium frame.
5. laser projected scale system according to claim 1 is characterized in that: described coil winding is that diameter is the copper enameled wire of 1-1.5mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009100511970A CN101887077A (en) | 2009-05-14 | 2009-05-14 | Laser projected scale system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009100511970A CN101887077A (en) | 2009-05-14 | 2009-05-14 | Laser projected scale system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101887077A true CN101887077A (en) | 2010-11-17 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009100511970A Pending CN101887077A (en) | 2009-05-14 | 2009-05-14 | Laser projected scale system |
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| Country | Link |
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| CN (1) | CN101887077A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104916194A (en) * | 2015-07-02 | 2015-09-16 | 吉林大学 | Thermotics, electromagnetics and optics comprehensive experiment instrument |
| CN105023487A (en) * | 2015-07-02 | 2015-11-04 | 吉林大学 | Thermal, electromagnetic and optical integrated experiment method |
| CN108761153A (en) * | 2018-06-26 | 2018-11-06 | 关佳琳 | It is a kind of to amplify the ammeter regarding number |
| WO2020113635A1 (en) * | 2018-12-05 | 2020-06-11 | 惠科股份有限公司 | Graduated scale of display panel and measurement device |
-
2009
- 2009-05-14 CN CN2009100511970A patent/CN101887077A/en active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104916194A (en) * | 2015-07-02 | 2015-09-16 | 吉林大学 | Thermotics, electromagnetics and optics comprehensive experiment instrument |
| CN105023487A (en) * | 2015-07-02 | 2015-11-04 | 吉林大学 | Thermal, electromagnetic and optical integrated experiment method |
| CN108761153A (en) * | 2018-06-26 | 2018-11-06 | 关佳琳 | It is a kind of to amplify the ammeter regarding number |
| WO2020113635A1 (en) * | 2018-12-05 | 2020-06-11 | 惠科股份有限公司 | Graduated scale of display panel and measurement device |
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Application publication date: 20101117 |