CN209044202U - Compact refraction type collimator apparatus for expansion light source - Google Patents
Compact refraction type collimator apparatus for expansion light source Download PDFInfo
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- CN209044202U CN209044202U CN201822165019.8U CN201822165019U CN209044202U CN 209044202 U CN209044202 U CN 209044202U CN 201822165019 U CN201822165019 U CN 201822165019U CN 209044202 U CN209044202 U CN 209044202U
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- refracting telescope
- partition
- lens barrel
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Abstract
The utility model discloses a kind of compact refraction type collimator apparatus for expansion light source, the compact refraction type collimator apparatus for expansion light source includes lens barrel, first refractive mirror, second refracting telescope, and light inlet and light-emitting window on lens barrel are set, partition is provided in lens barrel, the inner cavity of lens barrel is divided into the first installation cavity and the second installation cavity by partition, first refractive mirror is mounted in the first installation cavity, second refracting telescope is mounted in the second installation cavity, light hole is offered on partition, the light that expansion light source issues enters in the first installation cavity from light inlet, it reflects and converges through first refractive mirror, after some light passes through light hole, it is radiated on the second refracting telescope, after the refraction of the second refracting telescope, parallel rays is formed to project from light-emitting window.Compact refraction type collimator apparatus provided by the utility model for expansion light source can substantially shorten colimated light system radical length in the case where realizing the same output light angle of divergence.
Description
Technical field
The utility model relates to a kind of expansion light source collimator apparatus more particularly to a kind of compact foldings for expansion light source
Penetrate formula collimator apparatus.
Background technique
It is expansion light source that existing light source is most of, and needing to collimate expansion light source under many operating conditions can just make
With.Collimation for expansion light source is exactly a more intractable task all the time, and existing expansion light source collimates implementation
It is the placement long cylinder of inner wall absorption-type in front of expansion light source, the angle of divergence of output light is limited by adjusting the ratio of width to height of long cylinder,
The problem of the ratio of width to height is smaller, and the angle of divergence of output light is smaller, this brings is the increase of colimated light system radical length.
Utility model content
The purpose of the utility model is to provide a kind of compact refraction type collimator apparatus for expansion light source, can be effective
Shorten the length of colimated light system.
To achieve the goals above, the utility model provides a kind of compact refraction type collimation dress for expansion light source
It sets, the compact refraction type collimator apparatus includes lens barrel, first refractive mirror, the second refracting telescope and is arranged in the lens barrel
On light inlet and light-emitting window, be provided with partition in the lens barrel, the inner cavity of the lens barrel is divided into the first peace by the partition
It behave affectedly and the second installation cavity, first installation cavity is connected to light inlet, and second installation cavity is connected to light-emitting window, and described
One refracting telescope is mounted in first installation cavity, and second refracting telescope is mounted in second installation cavity, the partition
On offer light hole, the light that expansion light source issues enters in first installation cavity from the light inlet, through described first
Refracting telescope refraction convergence is radiated on second refracting telescope, reflects through described second after some light passes through the light hole
After mirror refraction, forms parallel rays and projected from the light-emitting window.
Preferably, the first conical bore with light hole coaxial arrangement, first circular cone are offered on the partition
Hole is provided with the partition close to light inlet side, and the light hole is provided with the partition close to light-emitting window side, and institute
It states light hole and is connected to first conical bore.
Preferably, the first conical bore and the second conical bore with light hole coaxial arrangement are offered on the partition,
First conical bore and the second conical bore are symmetrical set, the light hole be located at the first conical bore and the second conical bore it
Between, and the light hole is connected to the first conical bore and the second conical bore.
Preferably, the surface of the partition is provided with light-absorption layer, is provided with light-absorption layer on the inner wall of the lens barrel.
Preferably, the first refractive mirror and the second refracting telescope are planoconvex lens, the first refractive mirror and the second refracting telescope
It is symmetrical set, the axis in the light hole passes through the optical center of the first refractive mirror and the second refracting telescope.
Preferably, the first refractive mirror and the second refracting telescope include rotary table and the planoconvex lens on the rotary table,
The rotary table and planoconvex lens are structure as a whole and are coaxially disposed, and the first refractive mirror and the second refracting telescope bilateral symmetry are set
It sets, the axis in the light hole passes through the optical center of the first refractive mirror and the second refracting telescope.
Preferably, first installation cavity and the second installation cavity are stepped, the rotary table end of the first refractive mirror
It is pressed on the step surface of first installation cavity, the periphery of the rotary table of the first refractive mirror is interior with first installation cavity
Wall bonding connection, the rotary table end of second refracting telescope are pressed on the step surface of second installation cavity, second refraction
The inner wall bonding connection of the periphery of the rotary table of mirror and second installation cavity.
Preferably, the step surface of first installation cavity and inner wall joint offer first annular slot, second peace
The step surface and inner wall joint behaveing affectedly offer the second annular groove.
Preferably, the inner wall of the surface of the partition and the lens barrel forms the light-absorption layer by blackening process.
Preferably, one end of the lens barrel is provided with the connecting flange for connecting probe body, the connecting flange
It is located at the same end of lens barrel with the light-emitting window.
The utility model and the prior art the difference is that, it is provided by the utility model compact for expansion light source
The inner cavity of lens barrel is divided into the first installation cavity and the second peace by the way that partition, partition are arranged in lens barrel by type refraction type collimator apparatus
It behave affectedly, and opens up light hole on partition, the wide-angle diverging light that expansion light source issues enters lens barrel inner cavity by light inlet, passes through
After crossing first refractive mirror and the refraction of the second refracting telescope, directional light (i.e. substantially parallel low-angle diverging light) is from the light-emitting window of lens barrel
Outgoing, into being mounted in the detector on probe body, wide-angle diverging light is absorbed by lens barrel inner wall and spacers block, because
This compact refraction type collimator apparatus provided by the utility model for expansion light source can realize same output light diverging
Substantially shorten colimated light system radical length in the case where angle.
Detailed description of the invention
Fig. 1 is the compact refraction type collimator apparatus for expansion light source of preferred embodiment provided by the utility model
Perspective view；
Fig. 2 is the main view of compact refraction type collimator apparatus shown in FIG. 1；
Fig. 3 is in Fig. 2 along the cross-sectional view in the direction A-A；
Fig. 4 is the enlarged view in Fig. 3 at B；
Fig. 5 is the left view of compact refraction type collimator apparatus shown in FIG. 1；
Fig. 6 is the right view of compact refraction type collimator apparatus shown in FIG. 1；
Fig. 7 is the structure principle chart of compact refraction type collimator apparatus provided by the utility model；
Description of symbols:
1- lens barrel；2- first refractive mirror；The second refracting telescope of 3-；4- light inlet；5- light-emitting window；6- partition；7- first is installed
Chamber；The second installation cavity of 8-；9- light hole；The first conical bore of 10-；The second conical bore of 11-；The first annular slot of 12-；The second ring of 13-
Shape slot；14- connecting flange；15- probe body.
Specific embodiment
The present invention will be further described with embodiment with reference to the accompanying drawing.But the use of these exemplary embodiments
Way and purpose are only used to enumerate the utility model, not constitute to the real protection scope of the utility model any type of any
It limits, it is more non-that the protection scope of the utility model is confined to this.
Some nouns of locality are defined in the present invention, in the case where not being specified to the contrary, used orientation
Word such as " upper and lower, left and right " refers to the compact refraction type collimator apparatus provided by the utility model for expansion light source normal
Service condition is undefined, and consistent with attached direction up and down shown in Fig. 2." inside and outside " refers to relative to each components
Profile itself it is inside and outside.These nouns of locality are to use in order to facilitate understanding, because protecting model to the utility model without constituting
The limitation enclosed.
In the present invention, when components are referred to as " fixation " on another components, it can be directly anchored to
On another components, or there may also be components placed in the middle.When a components be considered as " connection " another zero
Component, it can be directly to another components or may be simultaneously present components placed in the middle.
Suitably with reference to shown in Fig. 1-Fig. 6, basic embodiment provided by the utility model is used for the compact of expansion light source
Type refraction type collimator apparatus may include lens barrel 1, first refractive mirror 2, the second refracting telescope 3 and be arranged on the lens barrel 1
Light inlet 4 and light-emitting window 5.Lens barrel 1 is in the tubular of both ends open, and the opening at 1 both ends of lens barrel can be used as the light inlet 4 of lens barrel 1
With light-emitting window 5.Refering to what is shown in Fig. 3, being provided with partition 6 in lens barrel 1, the inner cavity of the lens barrel 1 is divided into first by the partition 6
Installation cavity 7 and the second installation cavity 8.First installation cavity 7 is connected to light inlet 4, and second installation cavity 8 connects with light-emitting window 5
It is logical.
The first refractive mirror 2 is mounted in first installation cavity 7, and second refracting telescope 3 is mounted on described second
In installation cavity 8, light hole 9 is offered on the partition 6, the light that expansion light source issues is from described in the light inlet 4 entrance
It in first installation cavity 7, reflects and converges through the first refractive mirror 2, after some light passes through the light hole 9, be radiated at described
On second refracting telescope 3, after second refracting telescope 3 refraction, forms parallel rays and projected from the light-emitting window 5.It is wherein described
Directional light refers to substantially parallel low-angle diverging light.
The compact refraction type collimator apparatus for expansion light source that above-mentioned basic embodiment provides when in use, by mirror
The light inlet 4 of cylinder 1 is tightly attached on the light-emitting window of expansion light source, appropriate refering to what is shown in Fig. 7, the diverging light that expansion light source issues passes through
Light inlet 4 enters in the first installation cavity 7 of lens barrel 1, be installed in after first refractive mirror 2 therein reflects, wherein wide-angle
Diverging light is irradiated on 1 inner wall of lens barrel and partition 6 and is blocked absorption, and wherein the diverging light of low-angle is reflected through first refractive mirror 2
After convergence, across the light hole 9 being provided on partition 6, be radiated on the second refracting telescope 3, the second refracting telescope 3 by it is incident on it
Anaclasis formed parallel rays (substantially parallel low-angle diverging light) after, from the light-emitting window 5 project, to be collimated
Light afterwards.
In the present invention, light hole 9 can be passed through after being refracted the diverging light of low-angle, partition 6 should
It is as thin as possible；It reduces the scattering light in the first installation cavity 7 and enters the generation interference of the second installation cavity 8, light hole 9 should use up can
Can be small, and then will increase the manufacture difficulty of collimator apparatus in this way.
In order to solve this problem, in a preferred embodiment of the utility model, offered on the partition 6 with
The first conical bore 10 that the light hole 9 is coaxially disposed, first conical bore 10 are provided with the partition 6 close to light inlet 4
Side, the light hole 9 is provided with the partition 6 close to 5 side of light-emitting window, and the light hole 9 is connected to first circle
Taper hole 10.In the present embodiment, by the way that the first conical bore 10 is arranged, scattering light through for low-angle can be made and stopped big
The scattering light of angle, and since the conical tip of the first conical bore 10 can be located in light hole 9, light can be made
Hole 9 has larger size, while partition 6 being made to can have biggish thickness.
On the basis of the above embodiment, it is highly preferred that as shown in Figure 3, Figure 4, offered on the partition 6 with it is described
The first conical bore 10 and the second conical bore 11 that light hole 9 is coaxially disposed, first conical bore 10 and the second conical bore 11 are left
The right side is symmetrical arranged, and the light hole 9 is between the first conical bore 10 and the second conical bore 11, and the light hole 9 is connected to
First conical bore 10 and the second conical bore 11.
In the present invention, the surface of the partition 6 is provided with light-absorption layer, is also provided on the inner wall of the lens barrel 1
There is light-absorption layer.By the way that light-absorption layer is arranged, the interference of the reflected light of 1 inner wall of 6 surface of partition and lens barrel can be effectively reduced.Wherein inhale
Photosphere can be formed using existing various modes.Preferably, the surface of the partition 6 and the inner wall of the lens barrel 1 pass through hair
Black processing forms the light-absorption layer.
In the present invention, the first refractive mirror 2 and the second refracting telescope 3, which may be selected that, meets what refraction required
Various optical components.
In one preferred embodiment, the first refractive mirror 2 and the second refracting telescope 3 are planoconvex lens, described first
Refracting telescope 2 and the second refracting telescope 3 are symmetrical set, and the axis in the light hole 9 passes through the first refractive mirror 2 and the second folding
Penetrate the optical center of mirror 3.
As shown in figure 3, in another preferred embodiment, the first refractive mirror 2 and the second refracting telescope 3 include circle
Platform and the planoconvex lens on the rotary table, the rotary table and planoconvex lens are structure as a whole and are coaxially disposed, first folding
It penetrates mirror 2 and the second refracting telescope 3 is symmetrical set, the axis in the light hole 9 passes through the first refractive mirror 2 and the second refraction
The optical center (optical center of planoconvex lens) of mirror 3.
In order to easily install first refractive mirror 2 and the second refracting telescope 3, it is preferable that as shown in Figure 3, Figure 4, described
First installation cavity 7 and the second installation cavity 8 are stepped, i.e. the first installation cavity 7 and the second installation cavity 8 are close to one end of partition 6
Aperture is small, and one end aperture far from partition 6 is big.During installation, the rotary table end of the first refractive mirror 2 is pressed in first peace
It behave affectedly on 7 step surface, the inner wall of the periphery of the rotary table of the first refractive mirror 2 and first installation cavity 7 passes through glue
Equal bonding agents bonding connection；Similarly, the rotary table end of the second refracting telescope 3 is pressed on the step surface of second installation cavity 8, institute
State the periphery of the rotary table of the second refracting telescope 3 and the inner wall bonding connection of second installation cavity 8.In the present embodiment, lead to
The cooperation for crossing the periphery and installation cavity wall of setting step and rotary table, may be implemented refracting telescope conveniently and installs securely solid
It is fixed, will not occur the situation of refracting telescope position change when in use.
When installing first refractive mirror 2 and the second refracting telescope 3, in order to avoid extra glue influences the installation of refracting telescope,
Preferably, described as shown in figure 4, offering first annular slot 12 in the step surface of first installation cavity 7 and inner wall joint
The step surface of second installation cavity 8 and inner wall joint offer the second annular groove 13.
As shown in Fig. 3, Fig. 5, Fig. 6, one end of the lens barrel 1 is provided with the connecting flange for connecting probe body 15
14, the connecting flange 14 and the light-emitting window 5 are located at the same end of lens barrel 1.By the way that connecting flange 14 is arranged on lens barrel 1,
Connecting flange 14 can be connect by bolt with probe body 15, consequently facilitating collimator apparatus and detector are fixedly connected.
Dress is collimated to the compact refraction type provided by the utility model for expansion light source with next preferred embodiment
It sets and specifically describes.
It as shown in Figure 1-Figure 3, include lens barrel 1, first refractive mirror for the compact refraction type collimator apparatus of expansion light source
2, the second refracting telescope 3 and the light inlet 4 and light-emitting window 5 that are arranged on the lens barrel 1.Lens barrel 1 is cylindrical, is arranged inside
There is partition 6, the inner cavity of the lens barrel 1 is divided into the first installation cavity 7 and the second installation cavity 8, the first installation cavity 7 by the partition 6
Positioned at the right side of partition 6, the second installation cavity 8 is located at the left side of partition 6.First installation cavity 7 is connected to light inlet 4, described
Second installation cavity 8 is connected to light-emitting window 5.
As shown in Figure 3, Figure 4, light hole 9, and the first circle with the light hole 9 coaxial arrangement are offered on partition 6
Taper hole 10 and the second conical bore 11, first conical bore 10 and the second conical bore 11 are symmetrical set, 9, the light hole
Between the first conical bore 10 and the second conical bore 11, and the light hole 9 is connected to the first conical bore 10 and the second conical bore
11。
As shown in figure 3, the first installation cavity 7 and the second installation cavity 8 are stepped, the step surface of first installation cavity 7
First annular slot 12 is offered with inner wall joint, the step surface of second installation cavity 8 and inner wall joint offer second
Annular groove 13.The first refractive mirror 2 and the second refracting telescope 3 are described including rotary table and the planoconvex lens on the rotary table
Rotary table and planoconvex lens are structure as a whole and are coaxially disposed.The first refractive mirror 2 is mounted in first installation cavity 7, institute
It states the second refracting telescope 3 to be mounted in second installation cavity 8, the rotary table end of the first refractive mirror 2 is pressed in first peace
It behave affectedly on 7 step surface, the inner wall of the periphery of the rotary table of the first refractive mirror 2 and first installation cavity 7 is viscous with glue
It connects in succession, the rotary table end of second refracting telescope 3 is pressed on the step surface of second installation cavity 8, second refracting telescope 3
Rotary table periphery and second installation cavity 8 inner wall glue bonding connection.The first refractive mirror 2 and the second refraction
Mirror 3 is symmetrical set, and the axis in the light hole 9 passes through the optical center of the first refractive mirror 2 and the second refracting telescope 3.
Be provided with light-absorption layer in the inner wall of lens barrel 1 and the surface of partition 6, it is described on be provided with light-absorption layer.Partition 6 and mirror
Cylinder 1 is made of aluminium alloy.Light-absorption layer thereon is formed by blackening process.The left end of lens barrel 1 is provided with connecting flange 14,
The connecting flange 14 is connect by bolt with probe body 15.
Above-mentioned collimator apparatus when in use, as shown in fig. 7, expansion light source issue light from the light inlet 4 enter institute
It states in the first installation cavity 7, wherein the diverging light of wide-angle, which is irradiated on 1 inner wall of lens barrel and partition 6, is blocked absorption, medium and small angle
The diverging light of degree, across the light hole 9 being provided on partition 6, is radiated at the second refracting telescope after the refraction convergence of first refractive mirror 2
On 3, after incident anaclasis on it is formed parallel rays (substantially parallel low-angle diverging light) by the second refracting telescope 3, from
The light-emitting window 5 projects, thus the light after being collimated.
Compact refraction type collimator apparatus provided by the utility model for expansion light source is by refracting telescope come squeezed light
Road can substantially shorten colimated light system radical length in the case where realizing the same output light angle of divergence, collimate for expansion light source
The miniaturization of system provides possibility.
The sequencing of embodiment of above is not only for ease of description, represent the superiority and inferiority of embodiment.
Finally, it should be noted that embodiment of above is only to illustrate the technical solution of the utility model, rather than it is limited
System；Although the utility model is described in detail referring to aforementioned embodiments, those skilled in the art should
Understand: it can still modify to technical solution documented by aforementioned each embodiment, or special to part of technology
Sign is equivalently replaced；And these are modified or replaceed, each reality of the utility model that it does not separate the essence of the corresponding technical solution
Apply the spirit and scope of mode technical solution.
Claims (10)
1. a kind of compact refraction type collimator apparatus for expansion light source, which is characterized in that the compact refraction type collimation
Device includes lens barrel (1), first refractive mirror (2), the second refracting telescope (3) and light inlet (4) is arranged on the lens barrel (1)
It with light-emitting window (5), is provided with partition (6) in the lens barrel (1), the inner cavity of the lens barrel (1) is divided into the by the partition (6)
One installation cavity (7) and the second installation cavity (8), first installation cavity (7) are connected to light inlet (4), second installation cavity (8)
It is connected to light-emitting window (5), the first refractive mirror (2) is mounted in first installation cavity (7), second refracting telescope (3)
It is mounted in second installation cavity (8), is offered light hole (9) on the partition (6), the light that expansion light source issues is from institute
It states light inlet (4) to enter in first installation cavity (7), reflects and converge through the first refractive mirror (2), some light passes through institute
It after stating light hole (9), is radiated on second refracting telescope (3), after second refracting telescope (3) refraction, forms directional light
Line is projected from the light-emitting window (5).
2. compact refraction type collimator apparatus according to claim 1, which is characterized in that offered on the partition (6)
With the first conical bore (10) of the light hole (9) coaxial arrangement, first conical bore (10) is provided with the partition (6) and leans on
Nearly light inlet (4) side, the light hole (9) are provided with the partition (6) close light-emitting window (5) side, and the light
Hole (9) is connected to first conical bore (10).
3. compact refraction type collimator apparatus according to claim 1, which is characterized in that offered on the partition (6)
With the light hole (9) coaxial arrangement the first conical bore (10) and the second conical bore (11), first conical bore (10) and
Second conical bore (11) is symmetrical set, the light hole (9) be located at the first conical bore (10) and the second conical bore (11) it
Between, and the light hole (9) connection the first conical bore (10) and the second conical bore (11).
4. compact refraction type collimator apparatus according to claim 1, which is characterized in that the surface of the partition (6) is set
It is equipped with light-absorption layer, is provided with light-absorption layer on the inner wall of the lens barrel (1).
5. compact refraction type collimator apparatus described in any one of -4 according to claim 1, which is characterized in that described first
Refracting telescope (2) and the second refracting telescope (3) are planoconvex lens, and the first refractive mirror (2) and the second refracting telescope (3) are symmetrically set
It sets, the axis of the light hole (9) passes through the optical center of the first refractive mirror (2) and the second refracting telescope (3).
6. compact refraction type collimator apparatus according to claim 4, which is characterized in that the first refractive mirror (2) and
Second refracting telescope (3) includes rotary table and the planoconvex lens on the rotary table, and the rotary table and planoconvex lens are structure as a whole simultaneously
And be coaxially disposed, the first refractive mirror (2) and the second refracting telescope (3) are symmetrical set, and the axis of the light hole (9) is worn
Cross the optical center of the first refractive mirror (2) and the second refracting telescope (3).
7. compact refraction type collimator apparatus according to claim 6, which is characterized in that first installation cavity (7) and
Second installation cavity (8) is stepped, and the rotary table end of the first refractive mirror (2) is pressed in the platform of first installation cavity (7)
On terrace, the inner wall bonding connection of the periphery of the rotary table of the first refractive mirror (2) and first installation cavity (7) is described
The rotary table end of second refracting telescope (3) is pressed on the step surface of second installation cavity (8), the circle of second refracting telescope (3)
The inner wall bonding connection of the periphery of platform and second installation cavity (8).
8. compact refraction type collimator apparatus according to claim 7, which is characterized in that first installation cavity (7)
Step surface and inner wall joint offer first annular slot (12), the step surface of second installation cavity (8) and inner wall joint
Offer the second annular groove (13).
9. compact refraction type collimator apparatus according to claim 4, which is characterized in that the surface of the partition (6) and
The inner wall of the lens barrel (1) forms the light-absorption layer by blackening process.
10. compact refraction type collimator apparatus according to claim 1, which is characterized in that one end of the lens barrel (1) is set
It is equipped with the connecting flange (14) for connecting probe body (15), the connecting flange (14) and the light-emitting window (5) are located at
The same end of lens barrel (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822165019.8U CN209044202U (en) | 2018-12-21 | 2018-12-21 | Compact refraction type collimator apparatus for expansion light source |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822165019.8U CN209044202U (en) | 2018-12-21 | 2018-12-21 | Compact refraction type collimator apparatus for expansion light source |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209044202U true CN209044202U (en) | 2019-06-28 |
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ID=67044732
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| Application Number | Title | Priority Date | Filing Date |
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| CN201822165019.8U Active CN209044202U (en) | 2018-12-21 | 2018-12-21 | Compact refraction type collimator apparatus for expansion light source |
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| CN (1) | CN209044202U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111486373A (en) * | 2020-04-23 | 2020-08-04 | 广东艾罗照明科技股份有限公司 | Light splitting spotlight |
-
2018
- 2018-12-21 CN CN201822165019.8U patent/CN209044202U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111486373A (en) * | 2020-04-23 | 2020-08-04 | 广东艾罗照明科技股份有限公司 | Light splitting spotlight |
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