CN220419571U

CN220419571U - Laser ranging sensor

Info

Publication number: CN220419571U
Application number: CN202323535824.2U
Authority: CN
Inventors: 占旺发; 孙立平
Original assignee: Shenzhen Guangqian Sensor Technology Co ltd
Current assignee: Shenzhen Guangqian Sensor Technology Co ltd
Priority date: 2023-12-25
Filing date: 2023-12-25
Publication date: 2024-01-30
Anticipated expiration: 2033-12-25

Abstract

The application discloses a laser rangefinder sensor. Including casing, ray apparatus main part and angle modulation subassembly, angle modulation subassembly includes universal bulb and connecting rod, the first tip and the universal bulb of connecting rod are connected, this application is used for installing the ray apparatus main part of transmission and receipt laser through setting up first installation cavity on the casing, and set up the second installation cavity on the casing and be used for installing universal bulb, thereby with angle modulation subassembly direct integration on the casing, need not to set up alone and be used for universal bulb connection mount pad, consequently, the user only need be connected the second tip and the support of connecting rod can accomplish laser range sensor's installation, install swiftly high-efficient, thereby the overall structure and the installation flow of laser range sensor who has angle modulation function have been simplified.

Description

Laser ranging sensor

Technical Field

The utility model relates to the technical field of distance measurement, in particular to a laser ranging sensor.

Background

The laser distance measurement (laser distance measuring) is a device that uses a laser as a light source and accurately measures the distance to a target by using the laser.

The laser ranging sensor is divided into a handheld type and a fixed installation type according to the use mode, wherein the fixed installation type laser ranging sensor is usually supported by adopting a bracket, and in an actual use scene, the angle of the fixed installation type laser ranging sensor is often required to be adjusted, so that the light sensor can receive laser reflected by a reflecting target after more lasers are emitted.

In the prior art, in order to solve the angle adjustment problem of laser rangefinder sensor, set up angle adjusting part and supporting mount pad between support and laser rangefinder sensor and can realize the installation, lead to the structure more complicated and the installation flow is loaded down with trivial details, influences user's experience and feels.

Disclosure of Invention

The main object of the present application is to provide a laser ranging sensor, comprising:

a housing having a first mounting cavity and a second mounting cavity;

a light machine body provided in the first mounting chamber and configured to emit a laser beam to the outside and to receive the reflected laser beam;

the angle adjusting assembly comprises a universal ball head and a connecting rod, wherein the universal ball head is rotatably arranged in the second mounting cavity, the first end part of the connecting rod is connected with the universal ball head, and the second end part of the connecting rod is used for connecting a bracket.

Further, the angle adjusting assembly further comprises a supporting part and a gland, wherein the supporting part is arranged in the second installation cavity and is configured to form a wear-resisting groove which is adapted to the universal ball head, the universal ball head is rotatably arranged in the wear-resisting groove, and the gland is arranged on the universal ball head to prevent the universal ball head from being separated from the wear-resisting groove.

Further, an elastic member is further included, the elastic member being configured to reduce an influence of external vibration on the optical machine body.

Further, the elastic piece is arranged in the second mounting cavity, and the first end and the second end of the elastic piece are respectively propped between the bottom surface of the second mounting cavity and the propping piece.

Further, the elastic piece is a spring, a first limit column is formed on the bottom surface structure, a second limit column is formed on the supporting piece corresponding to the first limit column structure, a first end of the spring is sleeved outside the first limit column, and a second end of the spring is sleeved outside the second limit column.

Further, the bottom surface structure is formed with a first limit groove, the first limit post structure is formed in the first limit groove, a first end of the spring is located in the first limit groove, the abutting piece structure is formed with a second limit groove, the second limit post structure is formed in the second limit groove, and a second end of the spring is located in the second limit groove.

Further, the elastic piece is a cushion pad, and opposite sides of the cushion pad are propped between the bottom surface of the second mounting cavity and the propping piece.

Further, the device further comprises a connecting plate connected between the connecting rod and the bracket, wherein the second end of the connecting rod is connected with the connecting plate.

Further, an elastic member is disposed between the second end portion of the connecting rod and the connecting plate, and the elastic member is configured to reduce an influence of external vibration on the optical machine body.

In this application, be used for installing the ray apparatus main part of transmission and receipt laser through setting up first installation cavity on the casing to and set up the second installation cavity on the casing and be used for installing universal bulb, thereby with angle adjusting component direct integration on the casing, need not to set up alone and be used for universal bulb connection mount pad, consequently, the user only need be connected the second tip of connecting rod with the support and can accomplish laser ranging sensor's installation, install swiftly high-efficient, thereby simplified laser ranging sensor's with angle adjusting function overall structure and installation flow.

Drawings

The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this application, illustrate embodiments of the application and together with the description serve to explain the application and do not constitute an undue limitation to the application. In the drawings:

fig. 1 is an overall schematic diagram of a laser ranging sensor according to an embodiment of the disclosure.

Fig. 2 is an exploded view of a laser ranging sensor according to an embodiment of the present disclosure.

Fig. 3 is a schematic cross-sectional view of a laser ranging sensor according to an embodiment of the disclosure.

Fig. 4 is a schematic view of a part of a laser ranging sensor according to an embodiment of the disclosure.

Fig. 5 is a schematic cross-sectional view of a housing in an embodiment disclosed herein.

FIG. 6 is a schematic view illustrating the cooperation of the universal ball and the connecting rod according to an embodiment of the disclosure.

Fig. 7 is a schematic structural diagram of a press cover according to an embodiment of the disclosure.

Fig. 8 is a schematic structural view of a connection board according to an embodiment of the disclosure.

Wherein the above figures include the following reference numerals:

the laser ranging sensor 100, the housing 10, the first mounting chamber 11, the first mounting opening 111, the second mounting chamber 12, the bottom 121, the first limiting post 1211, the first limiting groove 1212, the second mounting opening 122, the lock hole 13, the optical engine body 20, the universal ball 31, the connecting rod 32, the first end 321, the second end 322, the locking hole 3221, the abutting piece 33, the wear-resisting piece 331, the wear-resisting groove 3311, the abutting piece 332, the second limiting post 3321, the third limiting groove 3322, the gland 34, the yielding hole 341, the annular arc surface 3411, the through hole 342, the fixing piece 35, the locking piece 36, the elastic piece 40, the first end 41, the second end 42, the connecting plate 50, the mounting hole 51, the first plate 52, the first fixing hole 521, the second plate 53, the second fixing hole 531, the first screw 54, the second screw 55, the window piece 60, the control button 70, the display screen 80, and the controller 90.

Detailed Description

It should be noted that, in the case of no conflict, the embodiments and features in the embodiments may be combined with each other. The present application will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.

It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments in accordance with the present application. As used herein, the singular is also intended to include the plural unless the context clearly indicates otherwise, and furthermore, it is to be understood that the terms "comprises" and/or "comprising" when used in this specification are taken to specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof.

The relative arrangement of the components and steps, numerical expressions and numerical values set forth in these embodiments do not limit the scope of the present application unless it is specifically stated otherwise. Meanwhile, it should be understood that the sizes of the respective parts shown in the drawings are not drawn in actual scale for convenience of description. Techniques, methods, and apparatus known to one of ordinary skill in the relevant art may not be discussed in detail, but should be considered part of the authorization specification where appropriate. In all examples shown and discussed herein, any specific values should be construed as merely illustrative, and not a limitation. Thus, other examples of the exemplary embodiments may have different values. It should be noted that: like reference numerals and letters denote like items in the following figures, and thus once an item is defined in one figure, no further discussion thereof is necessary in subsequent figures.

Referring to fig. 1, the present application provides a laser ranging sensor 100, wherein the laser ranging sensor 100 transmits laser light to a measurement target and receives the laser light reflected by the measurement target, so as to calculate a distance between the laser ranging sensor 100 and the measurement target according to a time when the laser light is emitted from the laser light to the measurement target and returns to the laser ranging sensor 100 after being reflected by the measurement target, and according to a propagation speed and a refractive index of the laser light in a corresponding propagation medium.

Referring to fig. 2-3 in combination with fig. 1, the laser ranging sensor 100 includes a housing 10, a light machine body 20, and an angle adjusting assembly, wherein the light machine body 20 is disposed in the housing 10 and configured to emit a laser beam to the outside and receive the reflected laser beam, the angle adjusting assembly includes a universal ball head 31 and a connecting rod 32, a first end 321 of the connecting rod 32 is connected to the universal ball head 31, the universal ball head 31 is rotatably connected in the housing 10, and a second end 322 of the connecting rod 32 is used to be connected to a bracket (not shown) to fix the laser ranging sensor 100.

Through will universal bulb 31 rotationally locates in the casing 10, and pass through connecting rod 32 will universal bulb 31 with leg joint, thereby will angle adjustment subassembly direct integration is in on the casing 10, not only make laser rangefinder sensor 100 has realized the free regulation of a plurality of angles, still makes laser rangefinder sensor 100 is convenient for install, need not to set up external mount pad, makes laser rangefinder sensor 100 overall structure is simpler.

Referring to fig. 4-5 in conjunction with fig. 1-3, in one embodiment, the housing 10 has a first mounting cavity 11 and a second mounting cavity 12. The optical engine main body 20 is disposed in the first mounting cavity 11, and the universal ball 31 is rotatably disposed in the second mounting cavity 12.

Further, the first mounting cavity 11 has a first mounting opening 111, and the optical engine main body 20 passes through the first mounting opening 111 and enters the first mounting cavity 11 for mounting.

The second installation cavity 12 is provided with a second installation opening 122, and the universal ball 31 passes through the second installation opening 122 and enters the second installation cavity 12 for installation.

In one embodiment, the first mounting port 111 and the second mounting port 122 are open in opposite directions.

Further, the opening end of the first mounting opening 111 is further provided with a window sheet 60, and the window sheet 60 is used for protecting the optical engine main body 20 mounted in the first mounting cavity 11.

Further, in one embodiment, the angle adjustment assembly further comprises a retainer 33 and a gland 34. The supporting member 33 is disposed in the second mounting cavity 12, and is configured to form a wear-resistant groove 3311 adapted to the universal ball 31, and the universal ball 31 is rotatably disposed in the wear-resistant groove 3311, so as to improve the service life of the laser ranging sensor 100 for angle adjustment.

In some embodiments, the groove surface of the wear groove 3311 and/or the surface of the universal ball 31 is a non-slip surface having a damping effect. So that when the housing 10 is rotated to adjust the angle of the laser to transmit and receive the laser light, a certain damping effect can be provided, and the angle of the optical machine main body 20 relative to the connecting rod 32 is not easy to change after the adjustment is completed, that is, the laser ranging sensor 100 can keep stable relative to the connecting rod 32 after the adjustment of the angle is completed.

Referring to fig. 6-7 in combination with fig. 3, the pressing cover 34 is disposed on the ball joint 31 to prevent the ball joint 31 from being separated from the wear-resistant groove 3311. The gland 34 is provided with a relief hole 341, and the second end 322 of the connecting rod 32 passes through the relief hole 341 to be connected with the bracket.

Further, the diameter of the relief hole 341 is between the diameter of the connecting rod 32 and the diameter of the universal ball 31, so that the inner edge of the relief hole 341 can limit the outer side of the universal ball 31, thereby preventing the universal ball 31 from separating from the wear-resistant groove 3311, and facilitating the adjustment of the angle of the optical machine main body 20.

In one embodiment, the inner edge of the relief hole 341 is provided with an annular arc surface 3411 corresponding to the outer side surface of the universal ball head 31, so that the contact area between the gland 34 and the universal ball head 31 is effectively increased, and the stability of the gland 34 on the universal ball head 31 is improved.

In one embodiment, the housing 10 is provided with a lock hole 13 corresponding to the end face of the second mounting hole 122, the gland 34 is provided with a through hole 342 corresponding to the lock hole 13, and the fixing member 35 passes through the through hole 342 and is locked in the lock hole 13, so that the gland 34 is detachably connected to the end face of the housing 10 and limits the universal ball 31.

When the laser ranging sensor 100 is coupled to a bracket and supported in a measuring environment by the bracket, vibration due to the measuring environment (such as ground vibration caused by movement of a vehicle) will be transmitted to the laser ranging sensor 100 through the bracket, resulting in vibration of the laser ranging sensor 100 affecting measuring accuracy.

Therefore, to solve the influence of vibration on the measurement, further referring to fig. 2-3, the laser ranging sensor 100 further includes an elastic member 40, where the elastic member 40 is configured to reduce the influence of external vibration on the optical machine body 20.

By arranging the elastic member 40, vibration transmitted through the bracket can be effectively buffered and absorbed by the elastic member 40, so that the influence of vibration in the measuring environment on the optical machine main body 20 is reduced.

In one embodiment, the elastic member 40 is disposed in the second mounting cavity 12, and the first end 41 and the second end 42 of the elastic member 40 respectively abut against the bottom surface 121 of the second mounting cavity 12 and the abutting member 33.

When the measuring environment vibrates, the vibration transmitted by the bracket is transmitted toward the optical machine main body 20 through the connecting rod 32 and the universal ball head 31 in sequence, and is buffered and absorbed by the elastic piece 40 when reaching the elastic piece 40, so that the influence of the vibration on the optical machine main body 20 is effectively reduced.

In a specific embodiment, the elastic member 40 is a spring, the bottom 121 of the second mounting cavity 12 is configured to form a first limiting post 1211, the abutment member 33 is configured to form a second limiting post 3321 corresponding to the first limiting post 1211, the first end 41 of the spring is sleeved outside the first limiting post 1211, and the second end 42 of the spring is sleeved outside the second limiting post 3321.

The first end 41 of the spring is limited by the provision of the first limiting post 1211 and the second end 42 of the spring is limited by the provision of the second limiting post 3321, so that the spring is always effectively held between the bottom surface 121 of the second mounting cavity 12 and the holding member 33.

Further, as shown in fig. 5, the bottom surface 121 is configured with a first limit groove 1212, the first limit post 1211 is configured to be formed in the first limit groove 1212, the first end 41 of the spring is limited in the first limit groove 1212, the abutment 33 is configured with a second limit groove, the second limit post 3321 is configured to be formed in the second limit groove, and the second end 42 of the spring is limited in the second limit groove.

By providing the first limit groove 1212 and the second limit groove, the elastic element 40 is more stably abutted between the bottom surface 121 and the abutment element 33.

In one embodiment, the abutment 33 includes a wear member 331 having the wear slot 3311 and an abutment 332 having the second stop post 3321 and the second stop groove. Wherein the abutting piece 332 is further configured with a third limit groove 3322 for accommodating the wear-resistant piece 331.

It should be noted that, the elastic member 40 is always in a compressed state, and under the action of the elastic member 40, a certain distance is provided between the abutting member 33 and the bottom surface 121 of the second mounting cavity 12, where the certain distance is used for pressing the elastic member 40 to absorb a movement space of the acting force of the vibration when the external vibration is transmitted to the universal ball head 31 and transmitted to the abutting member 33 through the universal ball head 31.

In another embodiment, the elastic member 40 is a cushion, and opposite sides of the cushion are abutted between the bottom 121 of the second mounting cavity 12 and the abutment member 33.

When external vibration is transmitted to the abutting piece 33, the abutting piece 33 abuts against the buffer pad, and the buffer pad absorbs the acting force transmitted to the mortgage piece, so that the influence of the acting force on the optical machine main body 20 is reduced.

Referring now to fig. 1-3 and 8, in one embodiment, the laser ranging sensor 100 further comprises a connecting plate 50 connected between the connecting rod 32 and the bracket, wherein the second end 322 of the connecting rod 32 is connected to the connecting plate 50.

Specifically, the connecting plate 50 is provided with a mounting hole 51, the second end 322 is provided with a locking hole 3221, and the locking member 36 is inserted through the mounting hole 51 and locked in the locking hole 3221, so that the connecting rod 32 is detachably connected with the connecting plate 50.

Further, the connecting plate 50 includes a first plate 52 and a second plate 53, the first plate 52 and the second plate 53 are connected in an "L" shape, a plurality of first fixing holes 521 are formed on the first plate 52, and a plurality of second fixing holes 531 are formed on the second plate 53.

The bracket is provided with a mounting position (not shown) corresponding to the connecting plate 50 of the L-shaped structure, and the mounting position is provided with a first threaded hole corresponding to each first fixing hole 521, and a second threaded hole corresponding to each second fixing hole 531.

The first screw 54 is locked in the corresponding first threaded hole through the first fixing hole 521, and the second screw 55 is locked in the corresponding second threaded hole through the second fixing hole 531, so that the connecting plate 50 is detachably connected with the bracket.

Preferably, the first fixing hole 521 and the second fixing hole 531 are elongated holes, so that the connection board 50 can be adjusted adaptively when being mounted on the bracket.

Further, an elastic member 40 is disposed between the second end 322 of the connecting rod 32 and the connecting plate 50, and the elastic member 40 is configured to reduce the influence of external vibration on the optical engine body 20.

Specifically, the elastic member 40 is a spring, and two ends of the spring are abutted between the second end 322 and the connecting plate 50 and sleeved on the lock member 36.

When external vibration is transmitted to the connection plate 50, the force transmitted through the connection plate 50 is absorbed by the spring, so that the force is prevented from being directly transmitted to the connection rod 32 and affecting the optical machine body 20.

Further, the housing 10 is further provided with a control key 70 and a display screen 80, the first installation cavity 11 is further provided with a controller 90, and the control key 70, the display screen 80 and the optical engine main body 20 are respectively connected with the controller 90.

Spatially relative terms, such as "above … …," "above … …," "upper surface at … …," "above," and the like, may be used herein for ease of description to describe one device or feature's spatial location relative to another device or feature as illustrated in the figures. It will be understood that the spatially relative terms are intended to encompass different orientations in use or operation in addition to the orientation depicted in the figures. For example, if the device in the figures is turned over, elements described as "above" or "over" other devices or structures would then be oriented "below" or "beneath" the other devices or structures. Thus, the exemplary term "above … …" may include both orientations of "above … …" and "below … …". The device may also be positioned in other different ways (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.

In addition, the terms "first", "second", etc. are used to define the components, and are merely for convenience of distinguishing the corresponding components, and unless otherwise stated, the terms have no special meaning, and thus should not be construed as limiting the scope of the present application.

The foregoing is merely a preferred embodiment of the present application and is not intended to limit the present application, and various modifications and variations may be made to the present application by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the present application should be included in the protection scope of the present application.

Claims

1. A laser ranging sensor, comprising:

a housing (10) having a first mounting cavity (11) and a second mounting cavity (12);

a light machine body (20) provided in the first mounting chamber (11) and configured to emit a laser beam to the outside and to receive the reflected laser beam;

the angle adjusting assembly comprises a universal ball head (31) and a connecting rod (32), wherein the universal ball head (31) is rotatably arranged in the second installation cavity (12), a first end (321) of the connecting rod (32) is connected with the universal ball head (31), and a second end (322) of the connecting rod (32) is used for connecting a bracket.

2. The laser ranging sensor according to claim 1, wherein the angle adjusting assembly further comprises a holding member (33) and a pressing cover (34), the holding member (33) is disposed in the second mounting cavity (12) and is configured to form a wear-resistant groove (3311) adapted to the universal ball head (31), the universal ball head (31) is rotatably disposed in the wear-resistant groove (3311), and the pressing cover (34) is disposed on the universal ball head (31) in a covering manner to prevent the universal ball head (31) from being separated from the wear-resistant groove (3311).

3. The laser ranging sensor according to claim 2, further comprising a resilient member (40), the resilient member (40) being configured to reduce the effect of external vibrations on the optical machine body (20).

4. A laser ranging sensor according to claim 3, characterized in that the elastic member (40) is disposed in the second mounting cavity (12), and the first end (41) and the second end (42) of the elastic member (40) are respectively abutted between the bottom surface (121) of the second mounting cavity (12) and the abutment member (33).

5. The laser ranging sensor according to claim 4, wherein the elastic member (40) is a spring, the bottom surface (121) is configured to form a first limit post (1211), the supporting member (33) is configured to form a second limit post (3321) corresponding to the first limit post (1211), the first end (41) of the spring is sleeved outside the first limit post (1211), and the second end (42) of the spring is sleeved outside the second limit post (3321).

6. The laser ranging sensor of claim 5, wherein the bottom surface (121) is configured with a first limit groove (1212), the first limit post (1211) is configured to be formed within the first limit groove (1212), the first end (41) of the spring is retained within the first limit groove (1212), the abutment (33) is configured with a second limit groove, the second limit post (3321) is configured to be formed within the second limit groove, and the second end (42) of the spring is retained within the second limit groove.

7. The laser ranging sensor according to claim 4, characterized in that the elastic member (40) is a cushion pad, opposite sides of which are held against between the bottom surface (121) of the second mounting cavity (12) and the holding member (33).

8. The laser ranging sensor according to any one of claims 1 or 2, further comprising a connection plate (50) connected between the connection rod (32) and the bracket, wherein the second end (322) of the connection rod (32) is connected with the connection plate (50).

9. The laser ranging sensor according to claim 8, characterized in that an elastic member (40) is provided between the second end (322) of the connecting rod (32) and the connecting plate (50), the elastic member (40) being configured to reduce the influence of external vibrations on the optical machine body (20).