CN202255357U - Laser range finder - Google Patents
Laser range finder Download PDFInfo
- Publication number
- CN202255357U CN202255357U CN2011204077019U CN201120407701U CN202255357U CN 202255357 U CN202255357 U CN 202255357U CN 2011204077019 U CN2011204077019 U CN 2011204077019U CN 201120407701 U CN201120407701 U CN 201120407701U CN 202255357 U CN202255357 U CN 202255357U
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- CN
- China
- Prior art keywords
- rotary body
- laser
- mounting bracket
- absorption magnet
- gear
- 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.)
- Expired - Fee Related
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Abstract
The utility model relates to a laser range finder which comprises an installation bracket. A vertical plate is arranged at the front part of the installation bracket, a laser module and a receiving lens are arranged on the installation bracket, a photo-electric converter is connected with the outer side of the rear part of the installation bracket, the installation bracket is also provided with a rotating body which is positioned between the vertical plate and the laser module and is internally provided with a first through hole, the vertical plate is internally provided with a second through hole, the side surface of the rotating body is provided with a reflecting surface, the side surface of the lower part of the rotating body is provided with a baffle, an adsorption magnet is arranged on the baffle, the installation bracket is also provided with a first adsorption magnet and a second adsorption magnet, a first gear is arranged at the top end of the rotating body, a motor driving the rotating body to rotate is arranged beside the rotating body, a second gear is arranged at the top end of the motor, and the first gear is meshed with the second gear. The laser ranger finder can prolong the service life of a battery and improve the measurement precision and is especially suitable for being used as a portable laser range finder with power supplied by a battery.
Description
Technical field
The utility model relates to a kind of distance mearuring equipment, especially relates to a kind of instrument that utilizes light wave to carry out measuring distance, belongs to the optical instrument technical field.
Background technology
Laser range finder is because of measuring accuracy is high, the fields such as building, indoor decoration that are widely used in easy to use.General laser ranging system selects for use avalanche photodide to be used as receiving the electrooptical device of folded light beam mostly.Avalanche photodide is because of its intrinsic electrical specification, when change of external conditions, such as temperature, when light intensity changes, can produce electrical quantity and change, and such as the variation of multiplication factor, phase place, thereby causes the reduction of measuring accuracy.Simultaneously, the aging reduction that waits other reasons also can cause measuring accuracy of circuit.For this reason, the research and development relative measures is arranged all both at home and abroad, reduce this measuring error.Traditional way increases interior light path calibrating installation exactly, utilizes whirligig of driven by motor to arrive reflection position, makes beam reflection in the avalanche photodide receiving system, measurement data and fixed range relatively after, the generation corrected parameter.After whirligig returned to the transmission position, the emission light beam was directly got to testee, in same set of avalanche photodide receiving system, generates measurement data, revises this measurement data with corrected parameter again, thereby improved measuring accuracy.
The inside and outside light path throw-over gear of present these; Arrive desired location through the driven by motor rotary body; On desired location, need continued power could the holding position to fix, this very power consumption concerning making battery-powered instrument, lasting, unsettled current of electric also can influence measuring accuracy.
Summary of the invention
The purpose of the utility model is in order to overcome above deficiency, through the improvement to inside and outside light path throw-over gear, a kind of laser range finder that prolongs battery serviceable life, improves measuring accuracy is provided.
The purpose of the utility model realizes through following technical scheme: a kind of laser range finder, comprise mounting bracket, and the front portion of mounting bracket is provided with riser; The laser module is installed on the mounting bracket side by side and receives eyeglass, the laser module is provided with the laser diode and the collimating mirror of emission laser near the rear portion of mounting bracket in the laser module; The front end that receives eyeglass contacts with riser, and the rear end that receives eyeglass places the top, rear portion of mounting bracket, and the rear outside of mounting bracket is connected with photoelectric commutator; Photoelectric commutator also is provided with rotary body near the rear end that receives eyeglass on the mounting bracket, rotary body places between riser and the laser module; Be provided with first through hole in the rotary body, be provided with second through hole in the riser, the side surface of rotary body is provided with reflecting surface; The lower side surface of rotary body is provided with baffle plate, and baffle plate is provided with the absorption magnet, also is provided with the first absorption magnet and the second absorption magnet on the mounting bracket; The first absorption magnet is near the laser module, and the second absorption magnet is near receiving eyeglass, and the top of rotary body is provided with first gear; Rotary body is other to be provided with driven rotary body motor rotating, and the top of motor is provided with second gear, first gear and second gearing mesh; When rotary body was in the transmission position, baffle plate was adsorbed on the second absorption magnet, and the laser beam that penetrates in the laser module is passed first through hole and second through hole; When rotary body was in reflection position, baffle plate was adsorbed on the first absorption magnet, and the laser beam that penetrates in the laser module is transmitted on the reflecting surface.
The further improvement of the utility model is: photoelectric commutator is an avalanche diode.
The further improvement of the utility model is: absorption magnet, the first absorption magnet, the second absorption magnet are rigid magnet or flexible magnets.
The utility model compared with prior art has the following advantages: the utility model provides a kind of laser range finder that prolongs battery serviceable life, improves measuring accuracy, is particularly suitable for making battery-powered portable laser stadimeter.
Description of drawings:
Fig. 1 is the structural representation when rotary body arrives the transmission position in the utility model;
Fig. 2 is the structural representation when rotary body arrives reflection position in the utility model;
Label among the figure: 1-mounting bracket, 2-riser, 3-laser module, 4-receive eyeglass, 5-photoelectric commutator, 6-rotary body, 7-first through hole, 8-second through hole, 9-reflecting surface, 10-baffle plate, the 11-first absorption magnet, the 12-second absorption magnet, 13-first gear, 14-motor, 15-second gear.
Embodiment:
In order to deepen understanding to the utility model, will combine embodiment and accompanying drawing that the utility model is done further to detail below, this embodiment only is used to explain the utility model, does not constitute the qualification to the utility model protection domain.
The utility model laser range finder comprises mounting bracket 1, and the front portion of mounting bracket 1 is provided with riser 2; Laser module 3 is installed on the mounting bracket 1 side by side and receives eyeglass 4, laser module 3 is provided with the laser diode and the collimating mirror of emission laser near the rear portion of mounting bracket 1 in the laser module 3; The front end that receives eyeglass 4 contacts with riser 2, and the rear end that receives eyeglass 4 places the top, rear portion of mounting bracket 1, and the rear outside of mounting bracket 1 is connected with photoelectric commutator 5; Photoelectric commutator 5 is near the rear end that receives eyeglass 4, and photoelectric commutator 5 is an avalanche diode, also is provided with rotary body 6 on the mounting bracket 1; Rotary body 6 places between riser 2 and the laser module 3, is provided with first through hole 7 in the rotary body 6, is provided with second through hole 8 in the riser 2; The side surface of rotary body 6 is provided with reflecting surface 9, and the lower side surface of rotary body 6 is provided with baffle plate 10, and baffle plate 10 is provided with the absorption magnet; Also be provided with on the mounting bracket 1 the first absorption magnet 11 with second absorption magnet 12, the first absorption magnets 11 near laser module 3, the second absorption magnets 12 near reception eyeglass 4; The top of rotary body 6 is provided with first gear 13, and rotary body 6 sides are provided with driven rotary body motor rotating 14, and the top of motor 14 is provided with second gear 15; First gear 13 and 15 engagements of second gear, promptly rotary body is other is provided with the propulsion system that can drive its rotation, and rotary body can be connected through gearing with propulsion system; Also can directly connect, gearing is that gear connects, also other connected modes; As shown in Figure 1, when rotary body 6 was in the transmission position, baffle plate 10 was adsorbed on the second absorption magnet 12, and the laser beam that penetrates in the laser module 3 is passed first through hole 7 and second through hole 8; As shown in Figure 2, when rotary body 6 was in reflection position, baffle plate 10 was adsorbed on the first absorption magnet 11, and the laser beam that penetrates in the laser module 3 is transmitted on the reflecting surface 9; It is rigid magnet or flexible magnets that absorption magnet, the first absorption magnet 11, second adsorb magnet 12.
When motor is rotated counterclockwise; Rotary body arrives reflection position; Absorption magnet on the rotary body baffle plate is inhaled with the absorption magnet on the reflection position mutually; Motor can cut off the power supply, and the position of rotary body can not change because of the motor outage yet, and the laser beam of launching in the laser module is passed first through hole and second through hole is transmitted on the testee; When motor turns clockwise; Rotary body arrives the transmission position; Absorption magnet on the rotary body baffle plate is inhaled with the locational absorption magnet of transmission mutually, and motor can cut off the power supply, and the position of rotary body can not change because of the motor outage yet; The laser beam of launching in the laser module is transmitted on the reflecting surface, receives eyeglass through reflecting & transmitting and shines directly on the electrooptical device.
The utility model provides a kind of laser range finder that prolongs battery serviceable life, improves measuring accuracy, is particularly suitable for making battery-powered portable laser stadimeter.
Claims (3)
1. laser range finder; Comprise mounting bracket (1), the front portion of said mounting bracket (1) is provided with riser (2), it is characterized in that: laser module (3) is installed on the said mounting bracket (1) side by side and receives eyeglass (4); Said laser module (3) is near the rear portion of said mounting bracket (1); Be provided with the laser diode and the collimating mirror of emission laser in the said laser module (3), the front end of said reception eyeglass (4) contacts with said riser (2), and the rear end of said reception eyeglass (4) places the top, rear portion of said mounting bracket (1); The rear outside of said mounting bracket (1) is connected with photoelectric commutator (5); Said photoelectric commutator (5) also is provided with rotary body (6) near the rear end of said reception eyeglass (4) on the said mounting bracket (1), said rotary body (6) places between said riser (2) and the said laser module (3); Be provided with first through hole (7) in the said rotary body (6); Be provided with second through hole (8) in the said riser (2), the side surface of said rotary body (6) is provided with reflecting surface (9), and the lower side surface of said rotary body (6) is provided with baffle plate (10); Said baffle plate (10) is provided with the absorption magnet; Also be provided with the first absorption magnet (11) and the second absorption magnet (12) on the said mounting bracket (1), the said first absorption magnet (11) is near said laser module (3), and the said second absorption magnet (12) is near said reception eyeglass (4); The top of said rotary body (6) is provided with first gear (13); Other being provided with of said rotary body (6) drives said rotary body (6) motor rotating (14), and the top of said motor (14) is provided with second gear (15), said first gear (13) and said second gear (15) engagement; When said rotary body (6) is in the transmission position; Said baffle plate (10) is adsorbed on the said second absorption magnet (12), and the laser beam that penetrates in the said laser module (3) is passed first through hole (7) and said second through hole (8), and said rotary body (6) is when being in reflection position; Said baffle plate (10) is adsorbed on the said first absorption magnet (11), and the laser beam that penetrates in the said laser module (3) is transmitted on the said reflecting surface (9).
2. according to the said laser range finder of claim 1, it is characterized in that: said photoelectric commutator (5) is an avalanche diode.
3. according to claim 1 or 2 said laser range finders, it is characterized in that: said absorption magnet, the said first absorption magnet (11), the said second absorption magnet (12) are rigid magnet or flexible magnets.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011204077019U CN202255357U (en) | 2011-10-24 | 2011-10-24 | Laser range finder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011204077019U CN202255357U (en) | 2011-10-24 | 2011-10-24 | Laser range finder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202255357U true CN202255357U (en) | 2012-05-30 |
Family
ID=46116584
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011204077019U Expired - Fee Related CN202255357U (en) | 2011-10-24 | 2011-10-24 | Laser range finder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202255357U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2020142968A1 (en) * | 2019-01-09 | 2020-07-16 | 深圳市大疆创新科技有限公司 | Ranging device and movable platform |
-
2011
- 2011-10-24 CN CN2011204077019U patent/CN202255357U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2020142968A1 (en) * | 2019-01-09 | 2020-07-16 | 深圳市大疆创新科技有限公司 | Ranging device and movable platform |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120530 Termination date: 20161024 |