CN2625846Y - An automatic levelling laser spirit level - Google Patents
An automatic levelling laser spirit level Download PDFInfo
- Publication number
- CN2625846Y CN2625846Y CN 03230304 CN03230304U CN2625846Y CN 2625846 Y CN2625846 Y CN 2625846Y CN 03230304 CN03230304 CN 03230304 CN 03230304 U CN03230304 U CN 03230304U CN 2625846 Y CN2625846 Y CN 2625846Y
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- level
- processing unit
- central processing
- flat board
- stereotyped
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Abstract
The utility model relates to an automatic levelling laser spirit level which comprises a level regulating device, a drive device and a signal processing device, wherein the level regulating device comprises an upper and a lower regulating plates which are respectively circled around a midline and are swung by shafts; the upper and the lower shafts are mutually parallel and vertical; the upper and the lower plates are respectively fixedly provided with spirit levels. The signal processing device comprises a central processing unit, one-dimensional linear array photoelectric sensor which collects the bleb positions of the spirit levels, a central processing unit and two amplification and comparison circuits connected to the one-dimensional photoelectric sensor. A read-only memory is connected to a random access memory, and the output signals of the central processing unit are divided into two paths respectively connected to drive circuits of two motors. When in work, the central processing unit respectively realizes regulation of an X direction and a Y direction to the regulating flat plate by two motors, and realizes the level regulation for the flat plate of the spirit level.
Description
Technical field
The utility model relates to a kind of self leveling laser level chi, is about discerning automatically or judge whether level is horizontal specifically, and can the autolevel device to the self leveling laser level chi of horizontal level.
Background technology
Surveyor's staff is a kind of important kind of measurement instrument in fields such as building, decoration, machinery installation, it is the important instrument of precision measurement levelness, common surveyor's staff all adopts level to realize the adjusting of horizontal level, have advantages such as simple in structure, low cost, but need the manual shift level, inconvenient operation.
Summary of the invention
The purpose of this utility model provides a kind of self leveling laser level chi that can realize automatically that horizontal level is regulated.
Self leveling laser level chi of the present utility model comprises level(l)ing device, drive unit and signal processing apparatus, said level(l)ing device comprises that adjusted is dull and stereotyped dull and stereotyped with the following adjusting that is positioned at adjusted flat board below, the center line of adjusted flat board is provided with axle, the following center line of regulating flat board is provided with axle, on, these two axles are parallel to each other vertically down, on, two adjusting flat boards are the center swing separately with the axle down, last, between two adjusting flat boards two support bars are arranged down, one end of these two support bars flexibly connects with the two ends of regulating dull and stereotyped axle wherein respectively, the other end and another are regulated dull and stereotyped fastening, laser instrument is fixed on the adjusted flat board, last, two adjusting flat boards are fixed with first level and second level respectively down, these two levels are parallel to each other vertically, said signal processing apparatus comprises the one dimensional linear array photoelectric sensor of gathering first level and the second level bubble position respectively, central processing unit (CPU) and the amplification comparator circuit that links to each other with two one dimension photoelectric sensor output terminals respectively, central processing unit and two amplification comparator circuits, ROM (read-only memory) links to each other with random access memory, the output signal of central processing unit divides two the tunnel, links to each other with the driving circuit that connects second motor with the driving circuit that connects first motor respectively.
During measurement, two one dimension photoelectric sensors are surveyed the position of bubble in the level, export to the amplification comparator circuit with electrical signal form, amplify the boundary information of comparator circuit output level image, central processing unit (CPU) is handled boundary information, and the reference data when being positioned at horizontal level with level compares, and judges that whether current level position is at horizontal level.Be positioned at horizontal level if determine level,, indicate a horizontal line then by the laser instrument emission of lasering beam.If determine level not at horizontal level, central processing unit this moment (CPU) obtains the offset distance of current level with respect to horizontal level according to reference data, and pass through the driving circuit drive motor according to this offset distance and move, realization is to the adjusting of flat board, adjust level to horizontal level, this moment, laser instrument was launched a branch of horizontal laser beam that is parallel to.The adjusting of level is a feedback procedure, needs the one dimension photoelectric sensor repeatedly to gather the level position, and repeatedly handles calculating by central processing unit (CPU), and final drive motor is adjusted level to horizontal level.
Usually, for making the utility model can also be used for tilting to point to, can on central processing unit, connect keyboard, like this, when the operator specifies the angle of inclination by the keyboard input, through signal Processing and dull and stereotyped the adjusting, the adjusting flat board can be adjusted to and specify the angle of inclination, this moment, laser instrument was launched the laser beam of pointing to this angle.
If add telescopic system in the laser instrument front, the utility model just can be used as automatic compensated level.
The utility model adopts two to regulate dull and stereotyped, by two motors by central processing unit control, respectively to regulating the dull and stereotyped adjusting that realizes directions X and Y direction, wherein each flat board has only one to regulate direction, the combine two-dimensional adjustment of flat board of implement device level promptly realizes the two-dimensional adjustment of level.The utility model is simple in structure, precision is high, can realize the autolevel device to horizontal level, can also be used for tilting to point to.
Description of drawings
Fig. 1 is that the utility model self leveling laser level chi constitutes synoptic diagram;
Fig. 2 is that amplification ratio in the utility model is than circuit diagram.
Embodiment
With reference to Fig. 1, self leveling laser level chi comprises level(l)ing device, drive unit and signal processing apparatus, said level(l)ing device comprises adjusted dull and stereotyped 4 and is positioned at the following adjusting dull and stereotyped 5 of dull and stereotyped 4 belows of adjusted, the center line of adjusted flat board is provided with axle 21, the following center line of regulating flat board is provided with axle 22, on, these two axles 21 and 22 are parallel to each other vertical down, on, two adjusting flat boards are the center swing separately with the axle down, last, between two adjusting flat boards two support bars 23 are arranged down, the diagram instantiation, two support bars are last, the following corresponding both sides of regulating flat board, the one end is enclosed within the two ends of the axle 21 of adjusted flat board 4 respectively, the other end is with adjusting dull and stereotyped 5 is fastening down, like this, rotate at directions X when motor 14 drives upper flat plate 4, following dull and stereotyped 5 in the directions X transfixion; Rotate in the Y direction when motor 16 drives down dull and stereotyped 5, these dull and stereotyped 5 rotations in the Y direction at present drive upper flat plate 4 and does to rotate synchronously the two dimensional surface adjusting that both combine and realize upper flat plate 4 on the Y directions.Legend is fixed with the laser instrument 1 and first level 2 on the adjusted flat board, under regulate and be fixed with second level 6 on the flat board, these two levels can adopt bubble tube, respectively along X, Y two-dimensional directional device.Said signal processing apparatus comprises the one dimensional linear array photoelectric sensor 3 that is positioned at first level, 2 tops, the one dimensional linear array photoelectric sensor 7 that is positioned at second level, 6 tops, central processing unit (CPU) 10, the amplification comparator circuit 8 and 9 that links to each other with two one dimension photoelectric sensors respectively.The one dimensional linear array photoelectric sensor can be CCD or cmos image sensor.Central processing unit 10 links to each other with two amplification comparator circuits, ROM (read-only memory) (ROM) 11 and random access memory (RAM) 12, the output signal of central processing unit 10 divides two the tunnel, links to each other with the driving circuit 15 that connects second motor 16 with the driving circuit 13 that connects first motor 14 respectively.
Amplifying comparator circuit can be as shown in Figure 2, and input signal compares with comparative level after amplifying, if it is greater than comparative level, and comparator circuit output high level, otherwise, output low level.Judge the boundary position of bubble in the level according to comparator circuit output high level or low level.
If central processing unit 10 judges that first level 2 is not horizontal in a direction (as directions X), this moment, central processing unit 10 was according to the distance of first level 2 in this direction (directions X) offset level position, by driving circuit 13 drive motor 14, regulate dull and stereotyped 4, first level 2 is horizontal, realizes the automatic leveling of one dimension direction (directions X) of first level 2; If central processing unit 10 judges that second level 6 is not horizontal in another direction (as the y direction), this moment, central processing unit 10 was according to the distance of second level 6 in this direction (y direction) offset level position, by driving circuit 15 drive motor 16, regulate dull and stereotyped 5, second level 6 is horizontal, realizes another dimension automatic leveling of direction (Y direction) of level 6.Like this, first level 2 is just determined a surface level at the horizontality and second level 6 of x direction in the horizontality of y direction, a branch of laser beam that is parallel to this surface level of laser instrument 1 output this moment.
In the diagram instantiation, be connected to keyboard 17 on central processing unit 10, by keyboard 17, the user can also refer to the constant inclination rake angle as required like this, make self leveling laser level chi adjust to the angle of inclination of appointment, laser instrument 1 is launched the laser beam that the angle of inclination is specified in a branch of sensing.
Claims (3)
1. self leveling laser level chi, it is characterized in that it comprises level(l)ing device, drive unit and signal processing apparatus, said level(l)ing device comprises adjusted flat board (4) and is positioned at the following adjusting dull and stereotyped (5) of adjusted flat board (4) below, the center line of adjusted flat board is provided with axle (21), the following center line of regulating flat board is provided with axle (22), on, these two axles (21) are parallel to each other vertical with (22) down, on, two adjusting flat boards are the center swing separately with the axle down, last, between two adjusting flat boards two support bars (23) are arranged down, one end of these two support bars flexibly connects with the two ends of regulating dull and stereotyped axle wherein respectively, the other end and another are regulated dull and stereotyped fastening, laser instrument (1) is fixed on the adjusted flat board (4), last, two adjusting flat boards are fixed with first level (2) and second level (6) respectively down, these two levels are parallel to each other vertically, said signal processing apparatus comprises one dimensional linear array photoelectric sensor (3) and (7) of gathering first level (2) and second level (6) bubble position respectively, central processing unit (10), the amplification comparator circuit (8) and (9) that link to each other with two one dimension photoelectric sensors respectively, central processing unit (10) and two amplification comparator circuits (8) and (9), ROM (read-only memory) (11) links to each other with random access memory (12), the output signal of central processing unit (10) divides two the tunnel, links to each other with the driving circuit that connects second motor (16) (15) with the driving circuit that connects first motor (14) (13) respectively.
2. by the described self leveling laser level of claim 1 chi, it is characterized in that central processing unit (10) is connected to keyboard (17).
3. by the described self leveling laser level of claim 1 chi, it is characterized in that said one dimensional linear array photoelectric sensor is CCD, CMOS line array sensor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 03230304 CN2625846Y (en) | 2003-04-09 | 2003-04-09 | An automatic levelling laser spirit level |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 03230304 CN2625846Y (en) | 2003-04-09 | 2003-04-09 | An automatic levelling laser spirit level |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2625846Y true CN2625846Y (en) | 2004-07-14 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 03230304 Expired - Fee Related CN2625846Y (en) | 2003-04-09 | 2003-04-09 | An automatic levelling laser spirit level |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2625846Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106441211A (en) * | 2016-08-31 | 2017-02-22 | 浙江奇剑工具有限公司 | Remotely controllable level bar with positioning function |
-
2003
- 2003-04-09 CN CN 03230304 patent/CN2625846Y/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106441211A (en) * | 2016-08-31 | 2017-02-22 | 浙江奇剑工具有限公司 | Remotely controllable level bar with positioning function |
| CN106441211B (en) * | 2016-08-31 | 2019-03-08 | 浙江奇剑工具有限公司 | A kind of horizontal ruler remote controlled with positioning function |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20040714 |