CN208297765U - A kind of integral type collimation lens and scanning laser sensor - Google Patents
A kind of integral type collimation lens and scanning laser sensor Download PDFInfo
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- CN208297765U CN208297765U CN201821094390.3U CN201821094390U CN208297765U CN 208297765 U CN208297765 U CN 208297765U CN 201821094390 U CN201821094390 U CN 201821094390U CN 208297765 U CN208297765 U CN 208297765U
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Abstract
The utility model discloses a kind of integral type collimation lens and scanning laser sensors, are related to laser scanner technique field.The integral type collimation lens includes the first cambered surface and the second cambered surface being oppositely arranged, first cambered surface is arranged close to laser emitter, radian of the radian of first cambered surface less than the second cambered surface, when laser generator is opened, laser enters integral type collimation lens by the first cambered surface, and is pierced by from the second cambered surface, in the process, integral type collimation lens carries out collimation operation to laser, so that laser is pierced by parallel.Compared with prior art, integral type collimation lens provided by the utility model is due to using the first cambered surface and the second cambered surface that are oppositely arranged, so laser refraction number can be reduced, guarantee measurement accuracy, and components are few, it is easy to assembly, Material Cost and human cost are reduced, it is practical.
Description
Technical field
The utility model relates to laser scanner technique fields, in particular to a kind of integral type collimation lens and swash
Optical scanning sensor.
Background technique
With the arriving of intelligence manufacture, the intellectualization of factories has become irreversible development trend, any automation control dress
It sets and system all be unable to do without sensor, supermatic factory, unit or system are all the venue of sensor, and
The various kinds of sensors of equipment becomes " eyes " and " feeler " of the equipment.Apply the scanning laser sensor in AGV avoidance
It is exactly one of them important sensor.A two-dimensional surface is carried out using the laser beam of rotation to scan, and has object invasion
Behind the region of setting, sensor output signal informs that AGV makes movement in time to terminate upcoming dangerous situation.
The diversing lens of current scanning laser sensor carry out laser alignment using two panels lens.Inventor studies hair
Existing, two panels collimated can be such that the laser of transmitting repeatedly reflect to cause to decay, to influence measurement distance and error, and two panels
The center of lens needs strictly to correspond on same center line, increases assembly difficulty in process of production, increases in debugging process
Add human time's cost.
In view of this, designing and manufacturing a kind of special convenient for the integral type collimation lens and scanning laser sensor of assembly
It is to be particularly important in sensor production.
Utility model content
The purpose of this utility model is to provide a kind of integral type collimation lenses, and structure is simple, can reduce laser refraction
Number guarantees measurement accuracy, and components are few, easy to assembly, reduces Material Cost and human cost, practical.
The another object of the utility model is to provide a kind of scanning laser sensor, in integral type collimation lens knot
Structure is simple, can reduce laser refraction number, guarantees measurement accuracy, and components are few, easy to assembly, reduce Material Cost and
Human cost, practical, cost performance is high.
The utility model is that it is realized by adopting the following technical scheme.
A kind of integral type collimation lens is applied to scanning laser sensor, and scanning laser sensor includes laser emitter,
Integral type collimation lens includes the first cambered surface and the second cambered surface being oppositely arranged, and the first cambered surface is used to set close to laser emitter
It sets, the radian of the radian of the first cambered surface less than the second cambered surface.
Further, the first cambered surface and the second cambered surface are aspherical curved surface.
Further, integral type collimation lens includes that the first mirror body, connection mirror body and second mirror, the first mirror body pass through company
It connects mirror body and second mirror is integrally formed, the first mirror body is provided with the first cambered surface, and second mirror is provided with the second cambered surface.
Further, connection mirror body includes the first joint face, mounting surface and the second joint face, and the first joint face passes through installation
Face is connect with the second joint face, and the first joint face is connect with the first mirror body, and the second joint face is connect with second mirror.
Further, connection mirror body is in the form of a column, and the area of the first joint face is equal to the area of the second joint face.
Further, integral type collimation lens further includes mounting ring, and mounting ring is sheathed on outside mounting surface.
Further, the length of mounting ring is greater than the maximum distance between the first cambered surface and the second cambered surface.
A kind of scanning laser sensor, including shell, laser emitter, integral type collimation lens and rotary reflection mechanism,
Laser emitter, integral type collimation lens and rotary reflection mechanism are mounted in shell, and integral type collimation lens is set to sharp
Between optical transmitting set and rotary reflection mechanism, integral type collimation lens includes the first cambered surface and the second cambered surface being oppositely arranged, the
One cambered surface is arranged close to laser emitter, the radian of the radian of the first cambered surface less than the second cambered surface.
Further, rotary reflection mechanism includes motor and reflecting mirror, and motor is fixedly installed in shell, and and reflecting mirror
Connection, reflecting mirror and integral type collimation lens are arranged in angle.
Further, integral type collimation lens and laser emitter interval are arranged, and laser emitter is set to integral type standard
The center of straight lens.
Integral type collimation lens and scanning laser sensor provided by the utility model have the advantages that
Integral type collimation lens provided by the utility model, including the first cambered surface and the second cambered surface being oppositely arranged, first
Cambered surface is arranged close to laser emitter, and the radian of the first cambered surface swashs less than the radian of the second cambered surface when laser generator is opened
Light enters integral type collimation lens by the first cambered surface, and is pierced by from the second cambered surface, in the process, integral type collimation lens pair
Laser carries out collimation operation, so that laser is pierced by parallel.Compared with prior art, integral type collimation provided by the utility model is saturating
Mirror is due to using the first cambered surface and the second cambered surface that are oppositely arranged, so laser refraction number can be reduced, guarantees measurement essence
Degree, and components are few, it is easy to assembly, Material Cost and human cost are reduced, it is practical.
Scanning laser sensor provided by the utility model, in integral type collimating lens structures it is simple, can reduce
Laser refraction number guarantees measurement accuracy, and components are few, easy to assembly, reduces Material Cost and human cost, practicability
By force, cost performance is high.
Detailed description of the invention
It, below will be to use required in embodiment in order to illustrate more clearly of the technical solution of the utility model embodiment
Attached drawing be briefly described, it should be understood that the following drawings illustrates only some embodiments of the utility model, therefore should not be by
Regard the restriction to range as, for those of ordinary skill in the art, without creative efforts, may be used also
To obtain other relevant attached drawings according to these attached drawings.
Fig. 1 is the structural schematic diagram of scanning laser sensor provided by the embodiment of the utility model；
Fig. 2 is the structural schematic diagram of rotary transmitter structure in scanning laser sensor provided by the embodiment of the utility model；
Fig. 3 is integral type collimation lens and laser emitter in scanning laser sensor provided by the embodiment of the utility model
Spaced structural schematic diagram；
Fig. 4 is the structural schematic diagram of integral type collimation lens provided by the embodiment of the utility model.
Icon: 10- scanning laser sensor；100- integral type collimation lens；The first cambered surface of 110-；The second cambered surface of 120-；
The first mirror body of 130-；140- connection mirror body；The first joint face of 141-；142- mounting surface；The second joint face of 143-；The second mirror of 150-
Body；160- mounting ring；200- shell；300- laser emitter；400- rotary reflection mechanism；410- motor；420- reflecting mirror.
Specific embodiment
It is practical new below in conjunction with this to keep the objectives, technical solutions, and advantages of the embodiments of the present invention clearer
Attached drawing in type embodiment, the technical scheme in the utility model embodiment is clearly and completely described, it is clear that is retouched
The embodiment stated is the utility model a part of the embodiment, instead of all the embodiments.Usually here in attached drawing description and
The component of the utility model embodiment shown can be arranged and be designed with a variety of different configurations.
Therefore, requirement is not intended to limit to the detailed description of the embodiments of the present invention provided in the accompanying drawings below
The scope of the utility model of protection, but it is merely representative of the selected embodiment of the utility model.Based in the utility model
Embodiment, every other embodiment obtained by those of ordinary skill in the art without making creative efforts, all
Belong to the range of the utility model protection.
It should also be noted that similar label and letter indicate similar terms in following attached drawing, therefore, once a certain Xiang Yi
It is defined in a attached drawing, does not then need that it is further defined and explained in subsequent attached drawing.
In the description of the present invention, it should be noted that term "inner", "outside", "upper", "lower", "horizontal" etc. refer to
The orientation or positional relationship shown is to be based on the orientation or positional relationship shown in the drawings or when utility model product uses is used
The orientation or positional relationship often put, is merely for convenience of describing the present invention and simplifying the description, rather than indication or suggestion
Signified device or element must have a particular orientation, be constructed and operated in a specific orientation, therefore should not be understood as to this
The limitation of utility model.In addition, term " first ", " second ", " third " etc. are only used for distinguishing description, and should not be understood as indicating
Or imply relative importance.
In the description of the present invention, it should also be noted that, unless otherwise clearly defined and limited, term " is set
Set ", " connected ", " installation ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection,
Or it is integrally connected；It can be mechanical connection, be also possible to be electrically connected；It can be directly connected, intermediary can also be passed through
It is indirectly connected, can be the connection inside two elements.For the ordinary skill in the art, it can be managed with concrete condition
Solve the concrete meaning of above-mentioned term in the present invention.
With reference to the accompanying drawing, it elaborates to some embodiments of the utility model.In the absence of conflict, under
The feature in embodiment stated can be combined with each other.
Embodiment
Please refer to Fig. 1 (in figure arrow direction be laser the direction of the launch), the utility model embodiment provides one kind
Scanning laser sensor 10 for carrying out two-dimensional surface scanning using the laser beam of rotation, and judges whether there is object invasion.
100 structure of integral type collimation lens in it is simple, can reduce laser refraction number, guarantees measurement accuracy, and components
It is few, it is easy to assembly, Material Cost and human cost are reduced, practical, cost performance is high.
The scanning laser sensor 10 includes that shell 200, laser emitter 300, integral type collimation lens 100 and rotation are anti-
Penetrate mechanism 400.Laser emitter 300, integral type collimation lens 100 and rotary reflection mechanism 400 are mounted in shell 200,
With the relative position of fixed laser transmitter 300, integral type collimation lens 100 and rotary reflection mechanism 400, the hair of laser is realized
Out, it reflects and reflects.
It should be noted that laser emitter 300, integral type collimation lens 100 and the interval setting of rotary reflection mechanism 400
And position is corresponding, integral type collimation lens 100 is set between laser emitter 300 and rotary reflection mechanism 400, laser hair
Emitter 300 is used to issue laser to integral type collimation lens 100, and integral type collimation lens 100 reflects laser, keeps it flat
Row ground is issued to rotary reflection mechanism 400, and rotary reflection mechanism 400 reflects laser, so that it is reflected into the external world, herein mistake
Cheng Zhong, rotary reflection mechanism 400 occur rotation and form a plane of scanning motion so that laser launches outward in a manner of rotating horizontally.
In the present embodiment, scanning laser sensor 10 is applied on the barrier avoiding function of AGV (automatic guided vehicle), when laser is swept
After retouching the region that sensor 10 senses object invasion setting, 10 output signal of scanning laser sensor informs AGV, makes AGV
Movement is made in time to prevent upcoming dangerous situation.
It is worth noting that, integral type collimation lens 100 and the interval of laser emitter 300 are arranged, laser emitter 300 is set
It is placed in the center of integral type collimation lens 100.In the present embodiment, laser emitter 300 is point light source, laser emitter
300 laser issued are spread laser, and laser passes through integral type collimation lens 100, and in the refraction of integral type collimation lens 100
Become parallel laser under effect, then is projected to rotary reflection mechanism 400.
Referring to figure 2., it should be noted that rotary reflection mechanism 400 includes motor 410 and reflecting mirror 420.Motor 410
It is fixedly installed in shell 200, and is connect with reflecting mirror 420, to drive reflecting mirror 420 to rotate.Reflecting mirror 420 and one
Formula collimation lens 100 is arranged in angle, and the laser irradiation across integral type collimation lens 100 is reflecting on reflecting mirror 420
The external world is reflected under the action of mirror 420, in the process, reflecting mirror 420 rotates, so that the laser rotary reflected, with
Two-dimensional surface around scanning laser sensor 10 is scanned.
Referring to figure 3. (in figure arrow direction be laser the direction of the launch), integral type collimation lens 100 includes opposite sets
The first cambered surface 110 and the second cambered surface 120 set.First cambered surface 110 is arranged close to laser emitter 300, and the second cambered surface 120 is close
Reflecting mirror 420 is arranged, and the laser that laser emitter 300 issues sequentially passes through the first cambered surface 110 and the second cambered surface 120, then projects
Onto reflecting mirror 420.Less than the radian of the second cambered surface 120, so that the laser of diffusion is reflected becomes the radian of first cambered surface 110
Parallel laser.
In the present embodiment, the first cambered surface 110 and the second cambered surface 120 are aspherical curved surface, are equivalent to multi-disc spherical surface
Combination, for poly-lens, the performance of integral type collimation lens 100 is greatly improved, and reduces volume, reduces weight, is reduced
The workload of quantity and the workpiece assembly of optical element, improves optical performance, improves optical path quality, and utilizes single non-
Spherical lens realizes required function, without the assembly system of poly-lens, designs more compact and secured.
Referring to figure 4., it is notable that integral type collimation lens 100 include the first mirror body 130, connection mirror body 140,
Second mirror 150 and mounting ring 160.First mirror body 130 is integrally formed by connection mirror body 140 and second mirror 150, the first mirror
Body 130 is provided with the first cambered surface 110, and second mirror 150 is provided with the second cambered surface 120, and connection mirror body 140 is for connecting the first mirror
Body 130 and second mirror 150.Mounting ring 160 is sheathed on outside connection mirror body 140, and is fixedly connected with mirror body 140 is connect, and is installed
Ring 160 be removably installed in shell 200, and with laser emitter 300 be spaced be arranged.
Connecting mirror body 140 includes the first joint face 141, mounting surface 142 and the second joint face 143.First joint face 141 is logical
Mounting surface 142 is crossed to connect with the second joint face 143, the first joint face 141 is connect with the first mirror body 130, the second joint face 143 with
Second mirror 150 connects.In the present embodiment, connection mirror body 140 is in the form of a column, and the area of the first joint face 141 is equal to the second connection
The area in face 143, mounting ring 160 are sheathed on outside mounting surface 142.
It should be noted that the length of mounting ring 160 be greater than between the first cambered surface 110 and the second cambered surface 120 it is maximum away from
From one end of mounting ring 160 can carry out masking protection to the first cambered surface 110, and the other end can hide the second cambered surface 120
Cover protection.When integral type collimation lens 100 is placed vertically, mounting ring 160 can prevent the first cambered surface 110 or the second cambered surface
120 are scratched.
In the present embodiment, laser is emitted by laser emitter 300, and the focal length of integral type collimation lens 100 is 5.3
Millimeter, because the either slow axis of laser or fast axle can be good using the collimation lens of non-spherical free curved design
Collimation, so that the laser facula after collimation is smaller, hot spot of the angle of divergence less than 10 milliradians, at 50 meters after laser alignment
Diameter less than 100 millimeters, more concentrate by laser energy, to preferably control laser beam divergence, in telemeasurement, error is more
It is small.
Integral type collimation lens 100 provided by the embodiment of the utility model, including the first cambered surface 110 being oppositely arranged and
Two cambered surfaces 120, the first cambered surface 110 are arranged close to laser emitter 300, and the radian of the first cambered surface 110 is less than the second cambered surface 120
Radian, when laser generator is opened, laser enters integral type collimation lens 100 by the first cambered surface 110, and from the second cambered surface
120 are pierced by, and in the process, integral type collimation lens 100 carries out collimation operation to laser, so that laser is pierced by parallel.With it is existing
There is technology to compare, integral type collimation lens 100 provided by the utility model is due to using 110 He of the first cambered surface being oppositely arranged
Second cambered surface 120 guarantees measurement accuracy, and components are few so laser refraction number can be reduced, easy to assembly, reduces
Material Cost and human cost, practical, so that scanning laser sensor 10 is stablized durable, measurement effect is good.
The above is only the preferred embodiments of the utility model, are not intended to limit the utility model, for this field
Technical staff for, various modifications and changes may be made to the present invention.Within the spirit and principle of the utility model,
Any modification, equivalent replacement, improvement and so on should be included within the scope of protection of this utility model.
Claims (10)
1. a kind of integral type collimation lens is applied to scanning laser sensor, the scanning laser sensor includes Laser emission
Device, which is characterized in that the integral type collimation lens includes the first cambered surface and the second cambered surface being oppositely arranged, first cambered surface
For being arranged close to the laser emitter, the radian of first cambered surface is less than the radian of second cambered surface.
2. integral type collimation lens according to claim 1, which is characterized in that first cambered surface and second cambered surface
It is aspherical curved surface.
3. integral type collimation lens according to claim 1, which is characterized in that the integral type collimation lens includes first
Mirror body, connection mirror body and second mirror, first mirror body are integrally formed by the connection mirror body and the second mirror, institute
It states the first mirror body and is provided with first cambered surface, the second mirror is provided with second cambered surface.
4. integral type collimation lens according to claim 3, which is characterized in that the connection mirror body includes the first connection
Face, mounting surface and the second joint face, first joint face are connect by the mounting surface with second joint face, and described the
One joint face is connect with first mirror body, and second joint face is connect with the second mirror.
5. integral type collimation lens according to claim 4, which is characterized in that the connection mirror body is in the form of a column, and described
The area of one joint face is equal to the area of second joint face.
6. integral type collimation lens according to claim 4, which is characterized in that the integral type collimation lens further includes peace
Ring is filled, the mounting ring is sheathed on outside the mounting surface.
7. integral type collimation lens according to claim 6, which is characterized in that the length of the mounting ring is greater than described the
Maximum distance between one cambered surface and second cambered surface.
8. a kind of scanning laser sensor, which is characterized in that including shell, laser emitter, integral type collimation lens and rotation
Reflecting mechanism, the laser emitter, the integral type collimation lens and the rotary reflection mechanism are mounted on the shell
Interior, the integral type collimation lens is set between the laser emitter and the rotary reflection mechanism, and the integral type is quasi-
Straight lens include the first cambered surface and the second cambered surface being oppositely arranged, and first cambered surface is arranged close to the laser emitter, institute
The radian for stating the first cambered surface is less than the radian of second cambered surface.
9. scanning laser sensor according to claim 8, which is characterized in that the rotary reflection mechanism include motor and
Reflecting mirror, the motor are fixedly installed in the shell, and are connect with the reflecting mirror, the reflecting mirror and the integral type
Collimation lens is arranged in angle.
10. scanning laser sensor according to claim 8, which is characterized in that the integral type collimation lens with it is described
The setting of laser emitter interval, the laser emitter are set to the center of the integral type collimation lens.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821094390.3U CN208297765U (en) | 2018-07-10 | 2018-07-10 | A kind of integral type collimation lens and scanning laser sensor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821094390.3U CN208297765U (en) | 2018-07-10 | 2018-07-10 | A kind of integral type collimation lens and scanning laser sensor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208297765U true CN208297765U (en) | 2018-12-28 |
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ID=64700209
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821094390.3U Active CN208297765U (en) | 2018-07-10 | 2018-07-10 | A kind of integral type collimation lens and scanning laser sensor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208297765U (en) |
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2018
- 2018-07-10 CN CN201821094390.3U patent/CN208297765U/en active Active
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Address after: 528000, Building 8, Shengyue Garden, No. 33 Shunye East Road, Xingtan Town, Shunde District, Foshan City, Guangdong Province, China (Residence application) Patentee after: Guangdong Xingsong Technology Co.,Ltd. Address before: No. 1602, Building 3, Gaojun Technology Innovation Center, No. 1 Chaogui South Road, Ronggui Xiaohuangpu Neighborhood Committee, Shunde District, Foshan City, Guangdong Province, 528000 Patentee before: FOSHAN HINSON ROBOT TECHNOLOGY CO.,LTD. |