CN212843522U - High-reliability laser transmitting and receiving module - Google Patents
High-reliability laser transmitting and receiving module Download PDFInfo
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- CN212843522U CN212843522U CN202021847725.1U CN202021847725U CN212843522U CN 212843522 U CN212843522 U CN 212843522U CN 202021847725 U CN202021847725 U CN 202021847725U CN 212843522 U CN212843522 U CN 212843522U
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Abstract
The utility model relates to a high-reliability laser transmitting and receiving module, which comprises a metal module frame, a receiving lens, a circuit board and a laser transmitting tube; a first fixing through hole for fixing the receiving lens and a second fixing through hole for mounting the laser emission tube are arranged on the surface of one side of the metal mold group frame, and a circuit board is fixedly attached to the surface of the other side of the metal mold group frame; the second fixed through hole is communicated with the edge of the side surface of the metal mold assembly frame where the second fixed through hole is located, and a fixed pressing sheet for pressing and fixing the laser emission tube in the second fixed through hole is detachably connected to the metal mold assembly frame; set up first fixed through hole on metal module frame one side surface, the installation is fixed and is received the lens, set up second fixed through hole and install laser emission pipe, opposite side surface laminating installation circuit board, receiving module on the circuit board receives reflection light through first fixed through hole, and the circuit board can electric connection control laser emission pipe through second fixed through hole, and overall structure is very compact, and difficult not hard up and receive external disturbance.
Description
Technical Field
The utility model relates to a radar technology field, more specifically say, relate to a laser emission receiving module of high reliability.
Background
The triangulation distance measurement principle is a basic principle of a laser, distance detection is realized by means of a triangulation relation formed by a laser emission point, a focus and a measurement point, and the position deviation of any one of the three points influences the measurement precision, so that the stability problem influences the precision of a triangular laser radar.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model lies in, to the above-mentioned defect of prior art, provide a laser emission receiving module of high reliability.
The utility model provides a technical scheme that its technical problem adopted is:
a high-reliability laser transmitting and receiving module is constructed, wherein the high-reliability laser transmitting and receiving module comprises a metal mold group frame, a receiving lens, a circuit board and a laser transmitting tube; a first fixing through hole for fixing the receiving lens and a second fixing through hole for mounting the laser emission tube are formed in the surface of one side of the metal mold group frame, and the circuit board is fixedly mounted on the surface of the other side of the metal mold group frame in a fit manner; the second fixing through hole is communicated with the edge of the side surface of the metal mold assembly frame where the second fixing through hole is located, and a fixing pressing sheet for pressing and fixing the laser emission tube in the second fixing through hole is detachably connected to the metal mold assembly frame.
High reliability's laser emission receiving module, wherein, receiving lens is single lens formula camera lens.
Laser emission receiving module of high reliability, wherein, first fixed through-hole internal fixation is provided with right receiving lens receives the filterable light filter of light.
High reliability's laser emission receiving module, wherein, be provided with one or more confession on the metal module frame the embedded groove of component embedding on the circuit board.
High reliability's laser emission receiving module, wherein, metal module group frame is monoblock metal block.
The beneficial effects of the utility model reside in that: the surface of one side of the metal module frame is provided with a first fixing through hole, a fixed receiving lens is installed, a second fixing through hole is formed to install the laser transmitting tube, the surface of the other side of the metal module frame is attached to a circuit board, a receiving module on the circuit board receives reflected light through the first fixing through hole, the circuit board can be electrically connected with and control the laser transmitting tube through the second fixing through hole, the whole structure is very compact, the circuit board is not easy to loosen and be interfered by the outside, and the stability is greatly enhanced; in addition, the second fixing through hole is communicated with the edge of the metal module frame, so that the laser emission tube is placed into the second fixing through hole from the communicated position when the laser emission tube is installed, and then the fixing pressing sheet is installed to press, hold and fix the laser emission tube, and the laser emission tube is convenient and quick to install and good in reliability.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the present invention will be further described with reference to the accompanying drawings and embodiments, wherein 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 without inventive efforts according to the drawings:
fig. 1 is a schematic structural diagram of a high-reliability laser transmitter-receiver module according to a preferred embodiment of the present invention;
fig. 2 is a schematic cross-sectional view of a laser transmitter-receiver module with high reliability according to a preferred embodiment of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, a clear and complete description will be given below with reference to the technical solutions of the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, belong to the scope of protection of the present invention.
The high-reliability laser emitting and receiving module of the preferred embodiment of the present invention, as shown in fig. 1 and referring to fig. 2, includes a metal module frame 1, a receiving lens 2, a circuit board 3 and a laser emitting tube 4; a first fixing through hole 10 for fixing the receiving lens 2 and a second fixing through hole 11 for mounting the laser emitting tube 4 are arranged on the surface of one side of the metal module frame 1, and a circuit board 3 is fixedly mounted on the surface of the other side in a fitting manner; the second fixed through hole 11 is communicated with the edge of the side surface of the metal mold assembly frame 1 where the second fixed through hole is positioned, and a fixed pressing sheet 12 for pressing and fixing the laser emission tube 4 in the second fixed through hole 11 is detachably connected to the metal mold assembly frame 1;
the surface of one side of the metal module frame 1 is provided with a first fixing through hole 10, a fixed receiving lens 2 is installed, a second fixing through hole 11 is formed to install the laser emitting tube 4, the surface of the other side is attached to and installed with a circuit board 3, a receiving module on the circuit board 3 receives reflected light through the first fixing through hole 10, the circuit board 3 can be electrically connected with and controls the laser emitting tube 4 through the second fixing through hole, the whole structure is very compact, the looseness and the external interference are not easy to occur, and the stability is greatly enhanced; in addition, the second fixing through hole 11 is communicated with the edge of the metal module frame 1, so that the laser emission tube 4 is conveniently placed into the second fixing through hole 11 from the communicated position during installation, and then a fixing pressing sheet 12 is installed to press, hold and fix the laser emission tube, and the laser emission device is convenient and quick to install and good in reliability;
the metal module frame is made of metal materials, the thermal deformation coefficient of the metal materials is small, and the deformation influence of temperature change on the module is greatly reduced.
Preferably, the receiving lens 2 is a single-lens type lens; aiming at the prior art, the adopted lens is a mode that three lenses are screwed by threads, the mode has the interior microscopic change under the conditions of high and low temperature and vibration environment, and the stability can be greatly enhanced by adopting a single receiving lens; optionally, the lens and the metal mold assembly frame are pre-fixed by using UV glue and finally fixed by using AB glue, so that the stability and reliability of the receiving system are ensured.
Preferably, the lens material is glass and has specific optical characteristics;
preferably, an optical filter 5 for filtering light received by the receiving lens is fixedly arranged in the first fixing through hole 10; the filter 5 and the metal module frame 1 are fixed by UV glue.
Preferably, the metal module frame 1 is provided with one or more insertion grooves (not shown) for inserting components on the circuit board 3; the circuit board 3 and the metal module frame 1 are convenient to be attached and installed, and the stability is improved;
preferably, after the circuit board 3 is locked with the metal mold assembly frame through screws, the circuit board is fixed in an auxiliary bonding mode through AB glue, and stability is guaranteed.
Preferably, the metal mold group frame 1 is a whole metal block; good stability and difficult deformation.
It will be understood that modifications and variations can be made by persons skilled in the art in light of the above teachings and all such modifications and variations are considered to be within the scope of the invention as defined by the following claims.
Claims (5)
1. A high-reliability laser transmitting and receiving module is characterized by comprising a metal mold group frame, a receiving lens, a circuit board and a laser transmitting tube; a first fixing through hole for fixing the receiving lens and a second fixing through hole for mounting the laser emission tube are formed in the surface of one side of the metal mold group frame, and the circuit board is fixedly mounted on the surface of the other side of the metal mold group frame in a fit manner; the second fixing through hole is communicated with the edge of the side surface of the metal mold assembly frame where the second fixing through hole is located, and a fixing pressing sheet for pressing and fixing the laser emission tube in the second fixing through hole is detachably connected to the metal mold assembly frame.
2. The high-reliability laser transmitter-receiver module of claim 1, wherein the receiver lens is a single lens.
3. The high-reliability laser transmitting and receiving module according to claim 1 or 2, wherein a filter for filtering light received by the receiving lens is fixedly arranged in the first fixing through hole.
4. The high-reliability laser transmitter-receiver module according to claim 1, wherein the metal mold set holder is provided with one or more insertion grooves into which components on the circuit board are inserted.
5. The high-reliability laser transmitter-receiver module of claim 1, wherein the metal mold assembly frame is a one-piece metal block.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021847725.1U CN212843522U (en) | 2020-08-28 | 2020-08-28 | High-reliability laser transmitting and receiving module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021847725.1U CN212843522U (en) | 2020-08-28 | 2020-08-28 | High-reliability laser transmitting and receiving module |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212843522U true CN212843522U (en) | 2021-03-30 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021847725.1U Active CN212843522U (en) | 2020-08-28 | 2020-08-28 | High-reliability laser transmitting and receiving module |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212843522U (en) |
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2020
- 2020-08-28 CN CN202021847725.1U patent/CN212843522U/en active Active
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