CN215641835U - Miniature high-frequency laser ranging module - Google Patents
Miniature high-frequency laser ranging module Download PDFInfo
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- CN215641835U CN215641835U CN202122329238.7U CN202122329238U CN215641835U CN 215641835 U CN215641835 U CN 215641835U CN 202122329238 U CN202122329238 U CN 202122329238U CN 215641835 U CN215641835 U CN 215641835U
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Abstract
The utility model provides a miniature high-frequency laser ranging module which comprises a main body, wherein a laser emission objective lens is arranged on the outer side surface of the main body, a laser emitter which is coaxial with the laser emission objective lens is arranged in the main body, and a cavity is arranged in the main body between the laser emitter and the laser emission objective lens; the laser receiving objective lens is arranged on the same side of the main body as the laser emitting objective lens, the laser receiver which is coaxial with the laser receiving objective lens is arranged in the main body, and a cavity is arranged in the main body between the laser receiver and the laser receiving objective lens; a data processing integrated circuit board is arranged in the main body, and the laser transmitter and the laser receiver are respectively connected with the data processing integrated circuit board; the utility model realizes the function output of small volume, light weight, accurate measurement and high-frequency rapid measurement, is convenient for secondary development of various industries according to the actual requirements of the industries, and is particularly used for the field of realizing intellectualization of the gun sighting telescope.
Description
Technical Field
The utility model relates to a ranging module, in particular to a miniature high-frequency laser ranging module.
Background
The distance measurement refers to the work of measuring the length of a connecting line between two points on the ground. What is usually measured is the horizontal distance, i.e. the length of the two-point connection projected on a level surface. It is one of the elements that determines the planar position of ground points. Is one of the most basic tasks in the measurement work. What is usually measured is the horizontal distance, i.e. the length of the two-point connection projected on a level surface.
Most of the existing distance measuring modules are modified by inner cores of laser distance measuring instruments, and have the defects of large size, heavy weight and low-frequency measurement.
SUMMERY OF THE UTILITY MODEL
The present invention provides a micro high-frequency laser ranging module to solve the above problems in the background art.
In order to achieve the purpose, the utility model provides the following technical scheme:
a micro high-frequency laser ranging module comprises a main body, wherein a laser emission objective lens is arranged on the outer side surface of the main body, a laser emitter coaxial with the laser emission objective lens is arranged in the main body, and a cavity is arranged in the main body between the laser emitter and the laser emission objective lens;
the laser receiving objective lens is arranged on the same side of the main body as the laser emitting objective lens, the laser receiver which is coaxial with the laser receiving objective lens is arranged in the main body, and a cavity is arranged in the main body between the laser receiver and the laser receiving objective lens; a data processing integrated circuit board is arranged in the main body, and the laser transmitter and the laser receiver are respectively connected with the data processing integrated circuit board.
As a further scheme of the utility model: the axis of the laser emission objective lens is parallel to the axis of the laser receiving objective lens.
As a further scheme of the utility model: the laser transmitting objective lens and the laser receiving objective lens are both composed of high-light-transmittance optical lenses.
Compared with the prior art, the utility model has the beneficial effects that:
after the structure is adopted, the laser emitting objective lens, the laser receiving objective lens, the data processing integrated circuit board, the laser emitter and the laser receiver are matched with each other, and when the laser emitting device is used, the laser emitter emits a beam of laser which reaches an object through the laser emitting objective lens; reflected by the object, penetrates through the laser receiving objective lens and is received by the laser receiver; by the perfect compact design of the module integral optical system, the module integral appearance is tiny, and the distance measurement can reach 700 codes; and can realize high-frequency automatic measurement signal output, and has certain technical innovation type.
According to the method, an internal optical system of the laser ranging is designed compactly again, and a high-transmittance optical lens and a circuit board with high-speed data calculation and processing functions are added, so that a brand-new micro high-frequency ranging module integrating optics and photoelectricity is formed; the advantages of small overall module volume, light weight, high data processing speed, high cost performance and the like are realized; the system is greatly convenient for users to carry out secondary development, and particularly used in integrated development with various gun sighting telescopes, and has high overall performance-price ratio.
Drawings
Fig. 1 is a schematic view of an overall structure of a micro high-frequency laser ranging module.
Fig. 2 is a schematic structural diagram of the interior of a miniature high-frequency laser ranging module.
Fig. 3 is a schematic diagram of a working circuit in a micro high-frequency laser ranging module.
In the figure: 1. a laser emission objective lens; 2. a laser receiving objective lens; 3. a data processing integrated circuit board; 4. a laser transmitter; 5. a laser receiver; 6. a main body;
Detailed Description
The technical solution of the present patent will be described in further detail with reference to the following embodiments.
Referring to fig. 1-3, a micro high-frequency laser ranging module includes a main body 6, wherein a laser emitting objective 1 is disposed on an outer side surface of the main body 6 for transmitting laser; a laser transmitter 4 which is coaxial with the laser transmitting objective lens 1 is arranged in the main body 6 and is used for transmitting a beam of laser; a cavity is arranged in the main body 6 between the laser emitter 4 and the laser emitting objective lens 1; the main body 6 is provided with a laser receiving objective lens 2 which is at the same side as the laser emitting objective lens 1, and laser is reflected by the surface of the object to be measured and then penetrates through the laser receiving objective lens 2; a laser receiver 5 which is coaxial with the laser receiving objective lens 2 is arranged in the main body 6 and is used for receiving reflected light; a cavity is arranged in the main body 6 between the laser receiver 5 and the laser receiving objective lens 2; a data processing integrated circuit board 3 is arranged in the main body 6, and the laser transmitter 4 and the laser receiver 5 are respectively connected with the data processing integrated circuit board 3. When in use, the laser emitter 4 emits a beam of laser which reaches an object through the laser emitting objective lens 1; reflected by the object, penetrates through the laser receiving objective lens 2 and is received by the laser receiver 5; by the perfect compact design of the module integral optical system, the module integral appearance is tiny, and the distance measurement can reach 700 codes; and can realize high-frequency automatic measurement signal output, and has certain technical innovation type.
Wherein, the axis of the laser emission objective lens 1 is parallel to the axis of the laser receiving objective lens 2.
In addition, the laser emission objective lens 1 and the laser receiving objective lens 2 are both composed of high-transmittance optical lenses. According to the method, an internal optical system of the laser ranging is designed compactly again, and a high-transmittance optical lens and a circuit board with high-speed data calculation and processing functions are added, so that a brand-new micro high-frequency ranging module integrating optics and photoelectricity is formed; the advantages of small overall module volume, light weight, high data processing speed, high cost performance and the like are realized; the system is greatly convenient for users to carry out secondary development, and particularly used in integrated development with various gun sighting telescopes, and has high overall performance-price ratio.
This application is through the compact compression design to optical prism, compression laser divergence angle for shine far away measured object laser facula and diminish, promoted the intensity of light transmission with receive reflection return light path, realized still can survey the function far away of distance under the circumstances that whole volume diminishes. Through the integrated optimization design of the data acquisition and processing circuit, the acquired optical signals are quickly converted into digital signals and output in real time, and the high-frequency quick measurement function is realized.
In this embodiment, the parameters of this module are as follows:
measurement range: code 0-700
Laser grade: class 1
And (3) measuring precision: +/-1M
Display resolution: 0.1M
Divergence angle: 1.5mard
Angle range: plus or minus 90 degree
Angle accuracy: plus or minus 0.5 degree
The communication mode is as follows: TTL/RS232/RS485/BT/WIFI
Wavelength: 905nm (laser class 1)
Emission aperture: 12mm
Receiving caliber: 11mm
A battery: CR2-3.0V/DC3V-3.3V
Measuring frequency: 1Hz-200Hz
Waterproofing: IP67
Operating temperature: -40 ℃ to 50 DEG C
Laser pulse duration: 10-100ns
Volume: 69mm 30mm 17mm
Weight: 57g
The working principle of the utility model is as follows: when in use, the laser emitter 4 emits a beam of laser which reaches an object through the laser emitting objective lens 1; reflected by the object, passes through the laser receiving objective lens 2, and is received by the laser receiver 5.
Although the preferred embodiments of the present patent have been described in detail, the present patent is not limited to the above embodiments, and various changes can be made without departing from the spirit of the present patent within the knowledge of those skilled in the art.
Claims (3)
1. A micro high-frequency laser ranging module comprises a main body (6), and is characterized in that a laser emission objective lens (1) is arranged on the outer side surface of the main body (6), a laser emitter (4) which is coaxial with the laser emission objective lens (1) is arranged in the main body (6), and a cavity is arranged in the main body (6) between the laser emitter (4) and the laser emission objective lens (1);
the laser receiving objective lens (2) which is arranged on the same side of the laser emitting objective lens (1) is arranged on the main body (6), the laser receiver (5) which is coaxial with the laser receiving objective lens (2) is arranged in the main body (6), and a cavity is arranged in the main body (6) between the laser receiver (5) and the laser receiving objective lens (2); a data processing integrated circuit board (3) is arranged in the main body (6), and the laser transmitter (4) and the laser receiver (5) are respectively connected with the data processing integrated circuit board (3).
2. The miniature high-frequency laser ranging module according to claim 1, wherein the axis of the laser emission objective (1) is parallel to the axis of the laser receiving objective (2).
3. The miniature high-frequency laser ranging module according to claim 1, characterized in that the laser emitting objective (1) and the laser receiving objective (2) are both constituted by high light transmittance optical lenses.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122329238.7U CN215641835U (en) | 2021-09-26 | 2021-09-26 | Miniature high-frequency laser ranging module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122329238.7U CN215641835U (en) | 2021-09-26 | 2021-09-26 | Miniature high-frequency laser ranging module |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215641835U true CN215641835U (en) | 2022-01-25 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122329238.7U Active CN215641835U (en) | 2021-09-26 | 2021-09-26 | Miniature high-frequency laser ranging module |
Country Status (1)
| Country | Link |
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| CN (1) | CN215641835U (en) |
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2021
- 2021-09-26 CN CN202122329238.7U patent/CN215641835U/en active Active
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