CN211505878U - Laser range finder optical device accurate in measurement - Google Patents
Laser range finder optical device accurate in measurement Download PDFInfo
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- CN211505878U CN211505878U CN201922455238.4U CN201922455238U CN211505878U CN 211505878 U CN211505878 U CN 211505878U CN 201922455238 U CN201922455238 U CN 201922455238U CN 211505878 U CN211505878 U CN 211505878U
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Abstract
The utility model discloses a laser range finder optical device with accurate measurement, which comprises a shell, a laser emitter, an emitting lens, a receiving lens and a receiving chip, wherein the right side of the shell is internally provided with an emitting hole which is longitudinally penetrated, the left side of the shell is internally provided with a receiving hole which is longitudinally penetrated, the receiving lens is in an equilateral rectangle structure, and the size of the receiving lens is 9 multiplied by 9 mm; the upper and lower outer edges of the opening of the transmitting lens cone are respectively provided with a first dispensing fixing port, and the upper and lower outer edges of the opening of the receiving lens cone are respectively provided with a second dispensing fixing port. The utility model transmits laser to the object to be measured by the laser transmitter, and is sensed by the receiving chip through the focusing absorption of the transmitting lens and the receiving lens, so as to measure the distance between the object to be measured, and the measurement is convenient; a receiving lens with 9 multiplied by 9mm is arranged in the receiving lens cone, so that the whole volume is small and the carrying is convenient; the openings of the transmitting lens cone and the receiving lens cone are respectively provided with a glue dispensing fixing port, so that the assembly is convenient.
Description
Technical Field
The utility model relates to a laser range finder field especially relates to a measure accurate laser range finder optical device.
Background
The laser distance measuring instrument is an instrument for measuring the distance to a target by using a certain parameter of modulated laser. The measuring range of the laser range finder is 3.5-5000 meters. The distance measuring method is divided into a phase method distance measuring instrument and a pulse method distance measuring instrument, the pulse type laser distance measuring instrument emits one or a sequence of transient pulse laser beams to a target when in work, a photoelectric element receives the laser beams reflected by the target, a timer measures the time from the emission to the reception of the laser beams, and the distance from an observer to the target is calculated; the phase-method laser range finder detects a distance by detecting a phase difference between emitted light and reflected light propagating in a space.
In prior art, phase laser range finder's optical device, most structure is comparatively complicated, and for surveying far away distance, the emission lens of its design is generally great for the whole volume of product is also great, is not portable. In addition, in the assembling process of the optical device, the laser emitter is generally fixed by adopting a fixing screw mode, so that the installation position of the laser emitter is fixed and cannot be adjusted, and the laser emitter may deviate in the assembling and light focusing process, so that the measurement accuracy is not high enough; and adopt the mode of UV point fixed laser emitter, because the casing volume is less for some glue operations are comparatively difficult, produce the operation of mistake point glue easily.
Accordingly, the prior art is deficient and needs improvement.
SUMMERY OF THE UTILITY MODEL
The utility model discloses the technical problem that will solve is: the laser range finder optical device is convenient to measure, small in size, simple in structure and high in measurement precision.
The technical scheme of the utility model as follows: an optical device of a laser range finder for accurate measurement comprises a shell, a laser emitter, an emitting lens, a receiving lens and a receiving chip, wherein a longitudinally-through and smooth emitting hole is formed in the right side of the shell, a longitudinally-through and smooth receiving hole is formed in the left side of the shell, the laser emitter is arranged at one end of the emitting hole, an emitting lens barrel is arranged at the other end of the emitting hole, and the emitting lens is arranged in the emitting lens barrel;
the receiving chip is arranged at one end of the receiving hole, the receiving chip and the laser emitter are arranged on the same side, a receiving lens cone is arranged at the other end of the receiving hole, the aperture of the receiving lens cone is gradually narrowed along the direction of the receiving chip end, and the receiving lens is arranged in the receiving lens cone;
the upper and lower outer edges of the opening of the transmitting lens cone are respectively provided with a first dispensing fixing port, and the upper and lower outer edges of the opening of the receiving lens cone are respectively provided with a second dispensing fixing port.
By adopting the technical scheme, in the laser range finder optical device with accurate measurement, a plurality of sub-lens holes with the sequentially reduced hole diameters are arranged in the emission lens barrel along the direction of the laser emitter, and the hole diameters of the sub-lens holes along the direction of the laser emitter are sequentially reduced.
Adopt above-mentioned each technical scheme, measure accurate laser range finder optical device in, the receiving lens is equilateral rectangle structure, the size of receiving lens is 9 x 9 mm.
By adopting the technical scheme, the accurate laser range finder optical device is measured, wherein the axial lead of the emitting hole and the axial lead of the receiving hole are arranged in parallel.
By adopting the technical scheme, the laser range finder optical device with accurate measurement is characterized in that an optical positioning hole which penetrates through the shell between the transmitting hole and the receiving hole is formed in the shell.
By adopting the technical scheme, the accurate laser range finder optical device is measured, and the shell is also concavely provided with a sinking groove capable of being provided with a display screen.
By adopting the technical scheme, in the laser range finder optical device with accurate measurement, the shell is positioned on the upper end surface and the lower end surface of the receiving lens cone and is respectively provided with a concave-embedded chute.
By adopting the technical scheme, the accurate laser range finder optical device is measured, and two symmetrical glue dispensing grooves are formed in the end face, close to the laser emitter, of the emitting hole.
Adopt above-mentioned each technical scheme, measure accurate laser range finder optical device in, the casing is the integrated into one piece structure.
By adopting the technical proposal, the utility model has the advantages that the laser emitter is arranged to emit laser to the object with the distance to be measured, and the laser is sensed by the receiving chip through the focusing absorption action of the emitting lens and the receiving lens, so as to measure the distance between the receiving chip and the object with the distance to be measured, and the measurement is simple and convenient; a receiving lens with the size of 9 multiplied by 9mm is arranged in the receiving lens cone, the whole volume is small and the carrying is convenient; the openings of the transmitting lens cone and the receiving lens cone are respectively provided with a glue dispensing fixing opening, so that a user can conveniently use UV glue dispensing for fixing, and the assembly is convenient; the whole structure is simple, the assembly is easy, the carrying is convenient, and the measuring precision is high.
Drawings
Fig. 1 is a schematic view of a first-view perspective structure of the present invention;
fig. 2 is a schematic view of a second perspective three-dimensional structure of the present invention;
fig. 3 is a schematic view of the housing structure of the present invention.
Detailed Description
The present invention will be described in detail below with reference to the accompanying drawings and specific embodiments.
As shown in fig. 1 to 3, a measure accurate laser range finder optical device, including casing 1, laser emitter 2, transmission lens 3, receiving lens 4 and receiving chip 5, be equipped with a vertical and smooth emission hole 11 that runs through in the casing 1 right side, be equipped with a vertical and smooth receiving hole 12 that runs through in the casing 1 left side, the one end of emission hole 11 is located to laser emitter 2, the other end of emission hole 11 is equipped with emission lens cone 110, emission lens 3 is located in emission lens cone 110.
The receiving chip 5 is disposed at one end of the receiving hole 12, the receiving chip 5 is disposed at the same side of the laser emitter 2, the other end of the receiving hole 12 is disposed with a receiving lens barrel 120, the aperture of the receiving lens barrel 120 gradually narrows along the direction of the receiving chip 5, and the receiving lens 4 is disposed in the receiving lens barrel 120.
As shown in fig. 3, further, the receiving lens 4 has an equilateral rectangular structure, and the size of the receiving lens 4 is 9 × 9 mm. In this embodiment, a laser emitter 2 can be towards a bundle of laser of direction transmission lens cone 110, and emission lens 3 can be with laser focusing and transmit to the object of target distance, then laser carries out the diffuse reflection on the object of target, and the weak light source focus that receiving lens 4 will reflect back becomes the pointolite, is received the response by receiving chip 5 again, thereby measures the utility model discloses and the distance between the object of awaiting measuring, measurement process is simple and convenient. In addition, the receiving lens barrel 120 can be provided with a receiving lens 4 with a size of 9 × 9mm, so that the whole volume is small and convenient for the user to carry and use.
As shown in fig. 2, the upper and lower outer edges of the opening of the transmitting lens barrel 110 are respectively provided with a first dispensing fixing port 111, and the upper and lower outer edges of the opening of the receiving lens barrel 120 are respectively provided with a second dispensing fixing port 121. Through the first glue dispensing fixing port 111 and the second glue dispensing fixing port 121, a user can conveniently perform UV glue dispensing fixing operation on the transmitting lens 3 and the receiving lens 4 respectively, error glue dispensing operation is prevented, and assembly is facilitated.
As shown in fig. 2, further, two symmetrical dispensing grooves 16 are provided on the end surface of the emitting hole 11 close to the laser emitter 2. The user can coat UV glue in the glue dispensing groove 16, the UV glue has the characteristic of curing when meeting light, and before curing, the position of the laser emitter 2 can be adjusted according to actual needs, so that the receiving chip 5 finds the optimal return light spot, and the measurement accuracy is further improved. In addition, the arrangement of the glue dispensing groove 16 can also effectively prevent the UV glue from overflowing, and the cost is saved.
Further, as shown in fig. 3, the axis of the emitting hole 11 and the axis of the receiving hole 12 are arranged in parallel with each other. The emitting hole 11 and the receiving hole 12 are parallel to each other, so that the emitted laser can be reflected in the receiving hole 12 to the maximum extent, and the accuracy of distance measurement is guaranteed.
As shown in fig. 3, a plurality of sub-lens holes 112 with successively decreasing aperture diameters are further formed in the emission lens barrel 110 along the direction of the laser emitter 2, and the aperture diameters of the sub-lens holes 112 successively decrease along the direction of the laser emitter 2. Set up a plurality of sub-lens holes 112 in emission lens barrel 110, can convenience of customers installs the optical lens subassembly of constituteing by a plurality of emission lens, improves the utility model discloses an application scope.
As shown in fig. 2, an optical positioning hole 13 is further formed through the housing 1 between the emitting hole 11 and the receiving hole 12. User's accessible optics locating hole 13 will this the utility model discloses install on handheld part or can carry out rotation regulation's device, conveniently connect the installation accessory part. Simultaneously, adopt optics locating hole 13 rather than traditional bolt hole locate mode, can improve the utility model discloses a positioning accuracy.
As shown in fig. 2, further, a sinking groove 14 for mounting a display screen is recessed on the housing 1. A display screen can be installed in the sinking groove 14, and the display screen can be electrically connected with the receiving chip 5 so as to display the measuring result on the display screen, thereby facilitating observation.
As shown in fig. 2, the housing 1 is further provided with a recessed inclined groove 15 on the upper and lower end surfaces of the receiving barrel 120. The user can perform glue adding and reducing operations at the position of the chute 15 to save raw material cost and control the overall weight.
Further, the housing 1 is an integrally formed structure. The integrated housing 1 can improve the structural stability of the whole, is easy to produce and reduces the assembly procedures.
By adopting the technical proposal, the utility model has the advantages that the laser emitter is arranged to emit laser to the object with the distance to be measured, and the laser is sensed by the receiving chip through the focusing absorption action of the emitting lens and the receiving lens, so as to measure the distance between the receiving chip and the object with the distance to be measured, and the measurement is simple and convenient; a receiving lens with the size of 9 multiplied by 9mm is arranged in the receiving lens cone, the whole volume is small and the carrying is convenient; the openings of the transmitting lens cone and the receiving lens cone are respectively provided with a glue dispensing fixing opening, so that a user can conveniently use UV glue dispensing for fixing, and the assembly is convenient; the whole structure is simple, the assembly is easy, the carrying is convenient, and the measuring precision is high.
The above description is only exemplary of the present invention and should not be construed as limiting the present invention, and any modifications, equivalents and improvements made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.
Claims (9)
1. The utility model provides a measure accurate laser range finder optical device which characterized in that: the laser transmitter is arranged at one end of the transmitting hole, the other end of the transmitting hole is provided with a transmitting lens barrel, and the transmitting lens is arranged in the transmitting lens barrel;
the receiving chip is arranged at one end of the receiving hole, the receiving chip and the laser emitter are arranged on the same side, a receiving lens cone is arranged at the other end of the receiving hole, the aperture of the receiving lens cone is gradually narrowed along the direction of the receiving chip end, and the receiving lens is arranged in the receiving lens cone;
the upper and lower outer edges of the opening of the transmitting lens cone are respectively provided with a first dispensing fixing port, and the upper and lower outer edges of the opening of the receiving lens cone are respectively provided with a second dispensing fixing port.
2. The laser range finder optical device for measuring precision according to claim 1, characterized in that: a plurality of sub-lens holes with the sequentially reduced hole diameters are formed in the transmitting lens barrel along the direction of the laser transmitter, and the hole diameters of the sub-lens holes are sequentially reduced along the direction of the laser transmitter.
3. The laser range finder optical device for measuring precision according to claim 1, characterized in that: the receiving lens is in an equilateral rectangular structure, and the size of the receiving lens is 9mm multiplied by 9 mm.
4. The laser range finder optical device for measuring precision according to claim 1, characterized in that: the axial lead of the transmitting hole and the axial lead of the receiving hole are arranged in parallel.
5. The laser range finder optical device for measuring precision according to claim 1, characterized in that: and an optical positioning hole which is arranged in a penetrating way is arranged on the shell between the transmitting hole and the receiving hole.
6. The laser range finder optical device for measuring precision according to claim 1, characterized in that: the shell is also concavely provided with a sinking groove for mounting a display screen.
7. The laser range finder optical device for measuring precision according to claim 1, characterized in that: the shell is provided with a concave-embedded chute on the upper end surface and the lower end surface of the receiving lens cone respectively.
8. The laser range finder optical device for measuring precision according to claim 1, characterized in that: two symmetrical dispensing grooves are formed in the end face, close to the laser emitter, of the emitting hole.
9. The laser range finder optical device for measuring precision according to claim 1, characterized in that: the shell is of an integrally formed structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922455238.4U CN211505878U (en) | 2019-12-27 | 2019-12-27 | Laser range finder optical device accurate in measurement |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922455238.4U CN211505878U (en) | 2019-12-27 | 2019-12-27 | Laser range finder optical device accurate in measurement |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211505878U true CN211505878U (en) | 2020-09-15 |
Family
ID=72396167
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922455238.4U Active CN211505878U (en) | 2019-12-27 | 2019-12-27 | Laser range finder optical device accurate in measurement |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211505878U (en) |
-
2019
- 2019-12-27 CN CN201922455238.4U patent/CN211505878U/en active Active
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20221221 Address after: 335000 building 2-B, smart maker Park, Yuehu new town, Yuehu District, Yingtan City, Jiangxi Province Patentee after: Jiangxi Ruigong Technology Co.,Ltd. Address before: 601, Floor 6, Xinhe Building, Huangjiang Industrial Park, No.85, Tongxin Road, Tongxin Community, Baolong Street, Longgang District, Shenzhen, Guangdong 518000 Patentee before: SHENZHEN XINHONGJING OPTOELECTRONIC TECHNOLOGY Co.,Ltd. |
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| TR01 | Transfer of patent right |