CN210534183U - Remote direction distinguishing sensor - Google Patents
Remote direction distinguishing sensor Download PDFInfo
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- CN210534183U CN210534183U CN201921427943.7U CN201921427943U CN210534183U CN 210534183 U CN210534183 U CN 210534183U CN 201921427943 U CN201921427943 U CN 201921427943U CN 210534183 U CN210534183 U CN 210534183U
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Abstract
The utility model discloses a sensor is differentiateed to remote direction, utilize first luminous mechanism and second luminous mechanism as the testing light source, light collimation output behind first lens and second lens, then the object of removal focuses on reverberation receiving mechanism with collimation light reflection to third lens, whether produce the moving direction that the object was differentiateed to the response photocurrent by first reflection light receiving part and second reflection light receiving part, because the propagation direction of light is far away, therefore, this application can be used to remote direction and differentiates, the method of differentiateing is simple and the result is accurate, and the cost is lower.
Description
Technical Field
The utility model relates to a photoelectric sensor technical field, in particular to sensor is differentiateed to remote direction.
Background
In the prior art, a camera is generally adopted to collect an object moving image for identifying the moving direction of an object, the moving direction of the object is identified according to the moving track of the object, but the definition of an image shot by a common camera is influenced by environmental factors, for example, in dark environments such as night and the like, the common camera cannot clearly collect a long-distance (the distance exceeds 1m) object moving image, so that the difficulty in identifying the moving direction of the object is increased subsequently, and the identification result is inaccurate; in this case, an infrared camera needs to be additionally installed in order to improve image clarity, but the infrared camera is expensive, which results in a high cost of the direction discrimination method.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a sensor is differentiateed to remote direction to solve the unable clear collection of camera usually and remote (the distance exceeds 1m) object and remove the image, lead to the follow-up degree of difficulty of differentiateing that increases the object moving direction, and the higher problem of this direction differentiation method cost.
According to an embodiment of the present invention, there is provided a remote direction discrimination sensor, including a light transmissive body in which a first light emitting mechanism, a second light emitting mechanism, and a reflected light receiving mechanism are arranged side by side;
the first light-emitting mechanism and the second light-emitting mechanism are respectively positioned at two sides of the reflected light receiving mechanism, and the first light-emitting mechanism and the second light-emitting mechanism are symmetrically arranged by taking the central line of the reflected light receiving mechanism as a symmetry axis;
a first lens is arranged on the outer surface of the light-transmitting body and is opposite to the first light-emitting mechanism; a second lens is arranged on the outer surface of the light-transmitting body and is opposite to the second light-emitting mechanism; a third lens is arranged on the outer surface of the light-transmitting body and is opposite to the reflected light receiving mechanism; the first lens and the second lens are symmetrically arranged by taking the central line of the third lens as a symmetry axis; the first lens and the second lens are used for collimating and outputting the light rays emitted by the first light-emitting mechanism and the second light-emitting mechanism, and the third lens is used for focusing the received reflected light rays on the reflection receiving mechanism;
the reflected light receiving mechanism includes a first reflected light receiving portion and a second reflected light receiving portion arranged side by side.
Specifically, a support is further packaged in the light transmitting body, and the first light emitting mechanism, the second light emitting mechanism and the reflected light receiving mechanism are all mounted on the support.
Specifically, the upper surfaces of the first lens, the second lens and the third lens are aspheric surfaces.
Specifically, the first light-emitting mechanism and the second light-emitting mechanism are point light source chips.
Specifically, the point light source chip is a VCSEL infrared light chip, and a pin connected with the point light source chip extends out of the light-transmitting body.
Specifically, the first reflection light receiving part and the second reflection light receiving part are PD chips, and a pin connected to the PD chips extends out of the light-transmitting body.
Specifically, the light-transmitting body, the first lens, the second lens and the third lens are integrally formed.
Specifically, the first lens, the second lens and the third lens are made of materials which are only permeable to infrared light.
The embodiment of the utility model provides a sensor is differentiateed to remote direction, utilize first luminous mechanism and second luminous mechanism as the detection light source, via light collimation output behind first lens and the second lens, then the object of removal focuses on the reverberation receiving mechanism with collimation light reflection to third lens, whether produce the moving direction that the object was differentiateed to the response photocurrent by first reflection light receiving part and second reflection light receiving part, because the propagation direction of light is far away, therefore, this application can be used to remote direction and differentiates, it is accurate to differentiate simple and the result of method, and the cost is lower.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a structural diagram of a remote direction discrimination sensor according to an embodiment of the present invention;
fig. 2 is a schematic diagram of an operation of a remote direction identification sensor according to an embodiment of the present invention;
fig. 3 is a schematic diagram illustrating an operation of a remote direction discrimination sensor according to another embodiment of the present invention;
fig. 4 is a block diagram of a remote direction discrimination sensor according to another embodiment of the present invention;
FIG. 5 is a diagram illustrating the structure of the package of the present invention;
fig. 6 is the structure diagram of the packaged patch of the present invention.
The LED packaging structure comprises a first light-emitting mechanism 1, a second light-emitting mechanism 2, a first reflection light-receiving part 3, a second reflection light-receiving part 4, a light-transmitting body 5, a support 6, a first lens 7, a second lens 8, a third lens 9, an object 10, a plug-in packaging pin 11 and a chip packaging pin 12.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
According to an embodiment of the present invention, as shown in fig. 1, a remote direction discrimination sensor is provided, which includes a light-transmitting body 5, wherein a first light-emitting mechanism 1, a second light-emitting mechanism 2 and a reflected light receiving mechanism are arranged in the light-transmitting body 5 side by side; the first light-emitting mechanism 1 and the second light-emitting mechanism 2 are respectively positioned at two sides of the reflected light receiving mechanism, and the first light-emitting mechanism 1 and the second light-emitting mechanism 2 are symmetrically arranged by taking the central line of the reflected light receiving mechanism as a symmetry axis; a first lens 7 is arranged on the outer surface of the light-transmitting body 5 and opposite to the first light-emitting mechanism 1; a second lens 8 is arranged on the outer surface of the light-transmitting body 5 and opposite to the second light-emitting mechanism 2; a third lens 9 is arranged on the outer surface of the light-transmitting body 5 and opposite to the reflected light receiving mechanism; the first lens 7 and the second lens 8 are symmetrically arranged by taking the central line of the third lens 9 as a symmetry axis; the first lens 7 and the second lens 8 are used for collimating and outputting the light rays emitted by the first light-emitting mechanism 1 and the second light-emitting mechanism 2, and the third lens 9 is used for focusing the received reflected light rays on the reflection receiving mechanism; the reflected light receiving mechanism includes a first reflected light receiving portion 3 and a second reflected light receiving portion 4 arranged side by side. The light-transmitting body 5 can be formed by injecting EMC sealant in a mold, and the shape of the light-transmitting body 5 can be a cuboid, a cube and the like. The first light emitting mechanism 1 and the second light emitting mechanism 2 are typically electronic components that emit infrared light.
The working principle of the embodiment is as follows: the first light-emitting mechanism 1 and the second light-emitting mechanism 2 are used as a detection light source, light emitted by the first light-emitting mechanism 1 is collimated and output after passing through the first lens 7, and light emitted by the second light-emitting mechanism 2 is collimated and output after passing through the second lens 8, as shown in fig. 2, if the object 10 moves from left to right, the object 10 first faces the first lens 7, when the object 10 faces the first lens 7, the collimated light emitted by the first light-emitting mechanism 1 via the first lens 7 is reflected by the object 10 to the third lens 9, the third lens 9 focuses the reflected light on the second light-receiving reflecting portion 4, the second light-receiving reflecting portion 4 generates an induced photocurrent, and the first light-receiving reflecting portion 3 does not receive the reflected light and does not generate the induced photocurrent, so that the moving direction of the object 10 can be identified as from left to right. Also, as shown in fig. 3, when the object 10 moves from right to left, the object 10 is first opposed to the second lens 8, when the object 10 is opposed to the second lens 8, the collimated light output from the second light emitting mechanism 2 via the second lens 8 is reflected by the object 10 to the third lens 9, the third lens 9 focuses the emitted light on the first reflective light receiving portion 3, the first reflective light receiving portion 3 generates the induced photocurrent, and the second reflective light receiving portion 4 does not receive the reflected light and does not generate the induced photocurrent, it is possible to distinguish the moving direction of the object 10 from right to left.
The embodiment of the utility model provides a sensor is differentiateed to long distance direction, utilize first luminous mechanism 1 and second luminous mechanism 2 as detecting light source, light collimation output behind first lens 7 and second lens 8, then the object 10 of removal focuses on reflected light receiving mechanism with collimation light reflection to third lens 9, whether produce the moving direction that the induced photocurrent distinguished object 10 by first reflection light receiving part 3 and second reflection light receiving part 4, because the propagation direction of light is far away, can reach more than 1m, therefore, this application can be used to long distance direction and differentiates, it is accurate to differentiate simple and the result of method, and the cost is lower.
In the above embodiment, as shown in fig. 1, the light-transmitting body 5 further encloses a bracket 6, and the first light-emitting mechanism 1, the second light-emitting mechanism 2 and the reflected light-receiving mechanism are all mounted on the bracket 6. The bracket 6 can make the position determination of the first light-emitting mechanism 1, the second light-emitting mechanism 2 and the reflected light receiving mechanism more accurate when they are installed.
In the above-described embodiment, the upper surfaces of the first lens 7, the second lens 8, and the third lens 9 are aspherical surfaces. The upper surfaces of the first lens 7, the second lens 8, and the third lens 9 may be aspheric, and may have a collimating or light focusing function. Further, as shown in fig. 4, by adjusting the upper surfaces of the first lens 7 and the second lens 8, the collimated light output by the first lens 7 and the second lens 8 can form an angle with the vertical direction, so as to increase the irradiation direction.
In the above embodiments, the first light emitting mechanism 1 and the second light emitting mechanism 2 are point light source chips. Specifically, the point light source chip is a VCSEL infrared light chip, and a pin connected to the point light source chip extends out of the light-transmitting body 5. Since the sensor can be packaged in different forms during manufacturing, the pins can be package pins 11 or package pins 12, as shown in fig. 5 and 6. The pins are used to make connections with a circuit board.
In the above embodiment, the first and second reflection and light receiving parts 3 and 4 are PD chips, and the pins to which the PD chips are connected extend out of the light transmitting body 5. Since the sensor can be packaged in different forms during manufacturing, the pins can be package pins 11 or package pins 12, as shown in fig. 5 and 6. The pins are used to make connections with a circuit board.
In the above embodiment, the light transmissive body 5, the first lens 7, the second lens 8, and the third lens 9 are integrally molded. The integral forming can simplify the manufacturing process and improve the manufacturing efficiency. The first lens 7, the second lens 8 and the third lens 9 are made of materials which only transmit infrared light. Since the first light-emitting mechanism 1 and the second light-emitting mechanism 2 generally use components that emit infrared light, the first lens 7, the second lens 8, and the third lens 9 are made of materials that are only transparent to infrared light, and only transparent to infrared light, so that interference of other light such as visible light can be shielded, and accuracy of discrimination can be improved.
Other embodiments of the invention will be apparent to those skilled in the art from consideration of the specification and practice of the invention disclosed herein. This application is intended to cover any variations, uses, or adaptations of the invention following, in general, the principles of the invention and including such departures from the present disclosure as come within known or customary practice within the art to which the invention pertains. It is intended that the specification and examples be considered as exemplary only, with a true scope and spirit of the invention being indicated by the following claims.
It will be understood that the invention is not limited to the precise arrangements described above and shown in the drawings and that various modifications and changes may be made without departing from the scope thereof. The scope of the present invention is limited only by the appended claims.
Claims (8)
1. A remote direction identification sensor is characterized by comprising a light-transmitting body (5), wherein a first light-emitting mechanism (1), a second light-emitting mechanism (2) and a reflected light receiving mechanism are arranged in the light-transmitting body (5) side by side;
the first light-emitting mechanism (1) and the second light-emitting mechanism (2) are respectively positioned at two sides of the reflected light receiving mechanism, and the first light-emitting mechanism (1) and the second light-emitting mechanism (2) are symmetrically arranged by taking the central line of the reflected light receiving mechanism as a symmetry axis;
a first lens (7) is arranged on the outer surface of the light-transmitting body (5) and is opposite to the first light-emitting mechanism (1); a second lens (8) is arranged on the outer surface of the light-transmitting body (5) and is opposite to the second light-emitting mechanism (2); a third lens (9) is arranged on the outer surface of the light-transmitting body (5) and is opposite to the reflected light receiving mechanism; the first lens (7) and the second lens (8) are symmetrically arranged by taking the central line of the third lens (9) as a symmetry axis; the first lens (7) and the second lens (8) are used for collimating and outputting the light rays emitted by the first light-emitting mechanism (1) and the second light-emitting mechanism (2), and the third lens (9) is used for focusing the received reflected light rays on the reflection receiving mechanism;
the reflected light receiving mechanism comprises a first reflected light receiving part (3) and a second reflected light receiving part (4) which are arranged side by side.
2. The remote direction discrimination sensor according to claim 1, wherein a holder (6) is further enclosed in said light-transmissive body (5), and said first light-emitting means (1), said second light-emitting means (2) and said reflected light-receiving means are mounted on said holder (6).
3. The remote direction discrimination sensor according to claim 1, wherein the upper surfaces of the first lens (7), the second lens (8) and the third lens (9) are aspheric.
4. The remote direction discrimination sensor of claim 1, wherein said first light emitting means (1) and said second light emitting means (2) are point light source chips.
5. The remote direction discrimination sensor of claim 4, wherein said point light source chip is a VCSEL infrared chip and the pins to which said point light source chip is attached extend out of said light transmissive body (5).
6. The remote direction discrimination sensor according to claim 1, wherein the first and second reflection light receiving parts (3, 4) are PD chips, and pins to which the PD chips are connected protrude from the light-transmitting body (5).
7. The remote direction discrimination sensor of claim 1, wherein the light-transmissive body (5), the first lens (7), the second lens (8) and the third lens (9) are integrally formed.
8. The remote direction discrimination sensor according to claim 1, wherein the first lens (7), the second lens (8) and the third lens (9) are made of a material that is transparent only to infrared light.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921427943.7U CN210534183U (en) | 2019-08-28 | 2019-08-28 | Remote direction distinguishing sensor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921427943.7U CN210534183U (en) | 2019-08-28 | 2019-08-28 | Remote direction distinguishing sensor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210534183U true CN210534183U (en) | 2020-05-15 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921427943.7U Active CN210534183U (en) | 2019-08-28 | 2019-08-28 | Remote direction distinguishing sensor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210534183U (en) |
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2019
- 2019-08-28 CN CN201921427943.7U patent/CN210534183U/en active Active
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