CN214954094U

CN214954094U - Detector adjusting structure

Info

Publication number: CN214954094U
Application number: CN202120269741.5U
Authority: CN
Inventors: 童亮; 刘伟; 向思桦
Original assignee: Chengdu Yingfeirui Technology Co ltd
Current assignee: Chengdu Yingfeirui Technology Co ltd
Priority date: 2021-01-29
Filing date: 2021-01-29
Publication date: 2021-11-30
Anticipated expiration: 2031-01-29

Abstract

The utility model discloses a detector adjusting structure, which comprises a distance measuring main body, a lens mount and a detector component; the distance measuring main body is provided with a light-transmitting cylinder, the lens mount is provided with a focusing lens, the detector assembly is provided with a receiving element, and light rays in the light-transmitting cylinder can irradiate on the receiving element after passing through the focusing lens; the lens mount is fixed on the distance measuring main body, and the fixed position is adjustable in the direction of the optical axis of the focusing lens; the detector assembly is fixed to the lens mount, and the fixed position is adjustable in a direction perpendicular to the optical axis. Through adjusting the position of focusing mirror for range finding main part along the optical axis direction, can the synchronous adjustment detector subassembly in the position of optical axis direction, adjust the position of detector subassembly in the perpendicular to optical axis direction again, can realize convenient operation to the accurate regulation of detector subassembly.

Description

Detector adjusting structure

Technical Field

The utility model relates to an instrument measurement technical field, in particular to detector adjusts structure.

Background

The photoelectric system can be used as a distance measurement module, and when measuring distance, the distance between a target and an observer can be measured by emitting an infrared laser line to the target and then receiving the infrared laser line reflected by the target and measuring the time interval between the emitted laser line and the received laser line.

One of the key components of the ranging module is a detector assembly for receiving the infrared laser beam reflected from the target. Whether the positions of the detector assembly and the receiving lens group of the ranging main body are accurate is the key point of the performance of the ranging module. How to precisely adjust the detector assembly in the assembly and debugging phase of the ranging module is a technical problem which needs to be solved by the technical personnel in the field at present.

SUMMERY OF THE UTILITY MODEL

In view of this, the utility model aims at providing a detector adjusts structure can carry out the accurate regulation to the position of detector subassembly.

In order to achieve the above object, the utility model provides a following technical scheme:

a detector adjusting structure comprises a distance measuring main body, a lens mount and a detector assembly;

the distance measuring main body is provided with a light-transmitting cylinder, the lens mount is provided with a focusing lens, the detector assembly is provided with a receiving element, and light rays in the light-transmitting cylinder can irradiate on the receiving element after passing through the focusing lens;

the lens mount is fixed on the distance measuring main body, and the fixed position of the lens mount is adjustable in the direction of the optical axis of the focusing lens;

the detector assembly is fixed on the lens mount, and the fixed position is adjustable in a direction perpendicular to the optical axis.

Preferably, a sleeve is arranged on the lens mount and is sleeved with the light-transmitting tube; the sleeve is fixed in through the camera lens locking piece the logical light section of thick bamboo, just after the unblock of camera lens locking piece, the sleeve for it has the freedom of movement and the moving direction is for leading to the light section of thick bamboo and being along the direction of optical axis.

Preferably, the light-transmitting cylinder is sleeved outside the sleeve, and an adjusting hole is arranged on the light-transmitting cylinder in a penetrating manner; the lens locking piece comprises a plurality of lens locking screws, a space for the lens locking screws to move along the optical axis direction is formed in the adjusting hole, and the lens locking screws penetrate through the adjusting hole and are in threaded connection with the sleeve.

Preferably, the lens mount comprises an end plate externally disposed on the light-transmitting cylinder and fixed to the sleeve; the detector assembly is fixed on the end plate through the detector locking piece, and after the detector locking piece is unlocked, the detector assembly has a degree of freedom of movement perpendicular to the optical axis direction relative to the end plate.

Preferably, the detector assembly is secured to a detector mount, the detector mount being secured to the end plate by the detector lock.

Preferably, the probe lock comprises a plurality of probe lock screws; an end plate hole is formed in the end plate, and a space for the detector locking screw to move in the direction perpendicular to the optical axis is formed in the end plate hole; the detector locking screw penetrates through the end plate hole to be in threaded connection with the detector base.

Preferably, the device further comprises an adjusting rod detachably connected to the detector base.

Preferably, the adjusting rod is screwed into a connecting hole on the detector base.

Preferably, the micrometer displacement table is detachably connected with the adjusting rod.

Preferably, the focusing mirror is fixed to the end plate.

The utility model provides a detector adjusting structure, which comprises a distance measuring main body, a lens mount and a detector component; the distance measuring main body is provided with a light-transmitting cylinder, the lens mount is provided with a focusing lens, the detector assembly is provided with a receiving element, and light rays in the light-transmitting cylinder can irradiate on the receiving element after passing through the focusing lens; the lens mount is fixed on the distance measuring main body, and the fixed position is adjustable in the direction of the optical axis of the focusing lens; the detector assembly is fixed to the lens mount, and the fixed position is adjustable in a direction perpendicular to the optical axis.

The optical axis extends along the Z direction, and the Z direction is vertical to the X direction and the Y direction in pairs. In the adjusting process, the focusing mirror and the detector assembly can be integrally adjusted in the Z direction, whether the lens mount is adjusted in place or not can be determined by taking the focusing condition on the receiving plane of the receiving element or other standards as references, and the lens mount is fixed on the distance measuring main body after the lens mount is adjusted in place; the detector assembly can be adjusted in the X direction and the Y direction relative to the focusing lens, and specifically, the detector assembly is fixed on the lens mount after the detector assembly is adjusted to a set position where the light spot is focused on the receiving element, for example, the center of the receiving plane.

Through adjusting the position of focusing mirror for range finding main part along the optical axis direction, can the synchronous adjustment detector subassembly in the position of optical axis direction, adjust the detector subassembly again in the ascending position of perpendicular to optical axis direction, can realize convenient operation to the accurate regulation of detector subassembly.

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 description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative efforts.

Fig. 1 is an exploded schematic view of a detector adjusting structure of the present invention;

FIG. 2 is a front sectional view of the adjusting structure of the detector of the present invention;

fig. 3 is an axonometric view of the adjusting structure of the middle detector of the present invention.

Reference numerals:

the distance measuring device comprises a distance measuring main body 1, an adjusting hole 11, a light-passing cylinder 12, a lens locking screw 2, a detector locking screw 3, a lens seat 4, an end plate hole 41, an end plate 42, a sleeve 43, a detector seat 5, a connecting hole 51, a detector assembly 6, a receiving element 61, a connecting screw 7, a focusing mirror 8 and an adjusting rod 9.

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 work belong to the protection scope of the present invention.

The core of the utility model is to provide a structure is adjusted to detector for photoelectric system range finding module can carry out the accuracy to detector assembly's position and adjust.

In one embodiment of the present invention, please refer to fig. 1 to 3, which includes a distance measuring body 1, a lens mount 4 and a detector assembly 6.

The distance measuring body 1 is provided with a light-transmitting tube 12, the lens mount 4 is fixedly provided with a focusing lens 8, the detector assembly 6 is fixedly provided with a receiving element 61, and light rays in the light-transmitting tube 12 can irradiate on the receiving element 61 after passing through the focusing lens 8. The receiving lens group of the distance measuring main body 1 includes a focusing lens 8, and may also include other lenses, which may be fixed in a light-transmitting cylinder 12. The lens holder 4 may be a metal member or a holder made of other materials.

The lens mount 4 is fixed to the distance measuring body 1, and the fixed position is adjustable in the optical axis direction of the focusing mirror 8. The detector assembly 6 is fixed to the lens holder 4 and the fixed position is adjustable in a direction perpendicular to the optical axis.

As shown in fig. 1, in the present embodiment, the optical axis extends along the Z direction, which is perpendicular to the X direction and the Y direction two by two. In the adjusting process, the focusing mirror 8 and the detector assembly 6 can be adjusted in the Z direction as a whole, specifically, whether the lens mount 4 is adjusted in place or not can be determined by taking the focusing condition on the receiving plane of the receiving element 61 or other standards as a reference, and after the lens mount is adjusted in place, the lens mount 4 is fixed to the distance measuring main body 1; the detector assembly 6 can be adjusted in the X direction and the Y direction relative to the focusing mirror 8, specifically, the detector assembly 6 can be fixed on the lens mount 4 after the light spot is focused on a set position on the receiving element 61, for example, the center of the receiving plane.

It can be seen that, in this embodiment, through adjusting the position of focusing mirror 8 along the optical axis direction for range finding main part 1, can the synchronous adjustment detector subassembly 6 in the position of optical axis direction, readjust detector subassembly 6 in the position of perpendicular to optical axis direction, can realize the accurate regulation to detector subassembly 6, convenient operation.

Further, a sleeve 43 is disposed on the lens mount 4, the sleeve 43 is sleeved with the light-transmitting tube 12, and the sleeve 43 is fixed to the light-transmitting tube 12 through a lens locking piece. After the lens lock is unlocked, the sleeve 43 has a degree of freedom of movement in the optical axis direction with respect to the light-transmitting cylinder 12. The sleeve 43 is connected with the light-transmitting cylinder 12 in a sleeved mode, the sleeve 43 can move in the Z direction to guide, and is limited in the X direction and the Y direction, and adjustment efficiency is improved.

Further, the light-transmitting tube 12 is sleeved outside the sleeve 43, and the light-transmitting tube 12 is provided with an adjusting hole 11, specifically a waist-shaped hole, in a penetrating manner. The lens locking piece comprises a plurality of lens locking screws 2, in the embodiment, two lens locking screws 2 are provided, and other embodiments can also adopt other numbers. The adjustment hole 11 has a space therein for the lens lock screw 2 to move in the optical axis direction. The lens lock screw 2 passes through the adjustment hole 11 to connect the sleeve 43.

When the Z-direction adjustment is carried out, the lens locking screw 2 is firstly slightly loosened, so that the lens holder 4 can slide in the Z direction relative to the light-transmitting cylinder 12, and after the Z-direction adjustment is carried out in place, the lens locking screw 2 is screwed with the threaded hole of the sleeve 43, so that the sleeve 43 is matched with the head of the lens locking screw 2 to clamp the light-transmitting cylinder 12, and the lens holder 4 is fixed on the ranging main body 1. Adopts threaded connection, and is convenient to disassemble and assemble.

Further, the lens holder 4 includes an end plate 42 externally disposed on the light-transmitting cylinder 12, and the end plate 42 is fixed to the sleeve 43. The probe assembly 6 is secured to the end plate 42 by a probe lock. With the probe lock unlocked, the probe assembly 6 has freedom of movement relative to the end plate 42 perpendicular to the optical axis. The detector assembly 6 is fixed on the end plate 42 of the external light-passing cylinder 12, so that the operation of assembling and disassembling the detector locking piece is facilitated.

Further, the detector assembly 6 is fixed to the detector base 5, in particular in a screw connection. The detector base 5 is connected to the end plate 42 by a detector lock. Specifically, the detector base 5 is of an annular structure, and light can pass through the focusing lens 8, then pass through the middle channel of the detector base 5, and then irradiate on the receiving element 61. Through detector seat 5 butt joint detector subassembly 6 and lens mount 4, detector subassembly 6 is separated by detector seat 5 with lens mount 4, compares detector subassembly 6 and lens mount 4 direct connection, can reduce along the X to, the friction damage of the in-process of Z to adjusting to detector subassembly 6.

Further, the probe locking member includes a plurality of probe locking screws 3, as shown in fig. 1, the number of the probe locking screws 3 is four, and other numbers may be adopted in other embodiments. The end plate 42 is provided with an end plate hole 41, and the end plate hole 41 has a space for the probe lock screw 3 to move in a direction perpendicular to the optical axis. The probe locking screw 3 passes through the end plate hole 41 to be threadedly coupled to the probe mount 5.

When the X-direction and the Y-direction are adjusted, the detector locking screw 3 is firstly loosened, the detector base 5 can move relative to the end plate 42, and after the position is adjusted, the detector locking screw 3 is locked, wherein a screw rod of the detector locking screw 3 can penetrate through the end plate hole 41 and is in threaded connection with a corresponding threaded hole on the detector base 5, and the head of the detector locking screw 3 can clamp and fix the end plate 42 with the detector base 5, so that the detector base 5 and the detector assembly 6 are fixed on the lens base 4. Adopts threaded connection, and is convenient to disassemble and assemble.

Of course, in other embodiments, the lens locking member and the detector locking member may be provided as a snap structure such as a buckle.

Further, the detector adjusting structure further comprises an adjusting rod 9 detachably connected to the detector base 5, and specifically, the adjusting rod 9 is threadedly connected to the connecting hole 51 of the detector base 5. Of course, in other embodiments, the adjusting rod 9 and the detector base 5 may be connected by a snap-fit connection or the like. Through the setting of adjusting pole 9 for the staff can use adjusting pole 9 to adjust in all directions as the point of application of force, convenient operation. In addition, the adjusting lever 9 is detachable when not needed for use, which can simplify the apparatus structure.

Further, this detector adjusts structure still includes to dismantle and connects in the micrometer displacement platform of adjusting pole 9, specifically, the micrometer displacement platform that the micrometer displacement platform was the XYZ three-dimensional regulation, can realize the all-round accurate regulation to detector subassembly 6 through a equipment. Of course, in other embodiments, the position of the probe assembly 6 may be manually adjusted.

Further, the focusing lens 8 is fixed to the end plate 42, which facilitates positioning of the focusing lens 8. Of course, in other embodiments, the focusing lens 8 may be fixed in the middle of the sleeve 43.

The working principle of the detector adjusting structure provided by the embodiment is as follows:

connecting the adjusting rod 9 to a micrometer displacement table which can move in three directions of X, Y, Z, and screwing the adjusting rod 9 into the connecting hole 51;

the lens locking screw 2 is unscrewed, the micrometer displacement table is adjusted to move in the Z direction, so that the position of the focusing mirror 8 in the Z direction is adjusted, and the focusing mirror 8 is adjusted through test data display, so that the infrared laser rays reflected by the target are focused on a receiving plane on a receiving element 61 of the detector assembly 6;

the lens locking screw 2 is screwed down, and the lens seat 4 is fixed on the distance measuring main body 1, namely the position of the focusing lens 8 in the Z direction of the distance measuring main body 1 is fixed, so that the received light is always focused on the receiving plane of the detector assembly 6;

the detector locking screw 3 is unscrewed, the micrometer displacement table is adjusted to move in X, Y two directions, and due to the fact that a large gap is reserved between the end plate hole of the lens seat 4 and the detector locking screw 3, the detector seat 5 and the detector assembly 6 can move in X, Y two directions of the distance measuring main body 1, namely the movement of the focus of the focusing mirror 8 on the receiving plane in X, Y two directions is achieved, and the focus is just in the center of the receiving plane;

screwing down the detector locking screw 3, fixing the lens seat 4, the detector seat 5 and the detector assembly 6 together, and screwing down the removal adjusting rod 9;

the entire adjustment process is thus completed.

The detector adjusting structure for the photoelectric system in the embodiment can realize precise adjustment of the detector assembly 6 in three directions X, Y, Z on the distance measuring main body 1 only by the micrometer displacement table capable of moving in three directions X, Y, Z and the adjusting rod 9 with threads.

It will be understood that when an element is referred to as being "secured" to another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention.

The embodiments in the present description are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other.

It is right above the utility model provides a structure is adjusted to detector introduces in detail. The principles and embodiments of the present invention have been explained herein using specific examples, and the above descriptions of the embodiments are only used to help understand the method and its core ideas of the present invention. It should be noted that, for those skilled in the art, without departing from the principle of the present invention, the present invention can be further modified and modified, and such modifications and modifications also fall within the protection scope of the appended claims.

Claims

1. A detector adjusting structure is characterized by comprising a distance measuring main body (1), a lens seat (4) and a detector assembly (6);

a light-transmitting tube (12) is arranged on the ranging main body (1), a focusing lens (8) is arranged on the lens seat (4), a receiving element (61) is arranged on the detector component (6), and light rays in the light-transmitting tube (12) can irradiate on the receiving element (61) after passing through the focusing lens (8);

the lens mount (4) is fixed on the distance measuring main body (1), and the fixed position of the lens mount is adjustable in the direction of the optical axis of the focusing lens (8);

the detector assembly (6) is fixed to the lens mount (4), and the fixed position is adjustable in a direction perpendicular to the optical axis.

2. The detector adjusting structure according to claim 1, wherein a sleeve (43) is provided on the lens holder (4), and the sleeve (43) is sleeved with the light-transmitting cylinder (12); the sleeve (43) is fixed on the light-passing cylinder (12) through the lens locking piece, and after the lens locking piece is unlocked, the sleeve (43) has a moving degree of freedom relative to the light-passing cylinder (12) and the moving direction is along the direction of the optical axis.

3. The detector adjusting structure according to claim 2, wherein the light-transmitting cylinder (12) is sleeved outside the sleeve (43), and an adjusting hole (11) is formed in the light-transmitting cylinder (12) in a penetrating manner; the lens locking piece comprises a plurality of lens locking screws (2), a space for the lens locking screws (2) to move along the optical axis direction is formed in the adjusting hole (11), and the lens locking screws (2) penetrate through the adjusting hole (11) and are in threaded connection with the sleeve (43).

4. The probe adjustment structure according to claim 2 or 3, characterized in that the lens mount (4) comprises an end plate (42) external to the light-transmitting cylinder (12) and fixed to the sleeve (43); the detector assembly (6) is fixed on the end plate (42) through a detector locking piece, and after the detector locking piece is unlocked, the detector assembly (6) has a moving degree of freedom perpendicular to the optical axis direction relative to the end plate (42).

5. Detector adjustment structure according to claim 4, characterized in that the detector assembly (6) is fixed to a detector seat (5), the detector seat (5) being fixed to the end plate (42) by the detector locking element.

6. Probe adjustment structure according to claim 5, characterized in that the probe lock comprises several probe lock screws (3); an end plate hole (41) is formed in the end plate (42), and a space for the detector locking screw (3) to move in the direction perpendicular to the optical axis is formed in the end plate hole (41); the detector locking screw (3) penetrates through the end plate hole (41) to be in threaded connection with the detector base (5).

7. Detector adjustment structure according to claim 5, characterized in that it further comprises an adjustment rod (9) detachably connected to the detector base (5).

8. Detector adjustment structure according to claim 7, characterized in that the adjustment rod (9) is screwed into a coupling hole (51) on the detector socket (5).

9. Detector adjustment structure according to claim 7, characterized in that it further comprises a micrometer displacement stage removably connected to the adjustment rod (9).

10. Detector adjustment structure according to claim 4, characterized in that the focusing mirror (8) is fixed on the end plate (42).