CN218121178U

CN218121178U - Base device for detecting optical filter

Info

Publication number: CN218121178U
Application number: CN202221882552.6U
Authority: CN
Inventors: 于志强; 郭志帅; 李新; 赵帅锋; 任少鹏; 胡雯雯; 班超; 张轶; 李壮
Original assignee: Shenyang Academy of Instrumentation Science Co Ltd
Current assignee: Shenyang Academy of Instrumentation Science Co Ltd
Priority date: 2022-07-21
Filing date: 2022-07-21
Publication date: 2022-12-23
Anticipated expiration: 2032-07-21

Abstract

The utility model relates to an optical detection equipment field, a base device for detecting light filter, wherein marching type drive assembly's power take off end with the first end power of drive shaft is connected and can be driven drive shaft marching type and rotate, and the fixed disk is fixed to be set up, and this fixed disk has at least one photometry through-hole, has the light filter mounting hole that a plurality of runs through the light filtering carousel on the light filtering carousel, and a plurality of the light filter mounting hole uses the axle center of light filtering carousel to arrange as center of symmetry annular array, and the light filtering carousel is connected with the second end of drive shaft, and the axis of light filtering carousel coincides with the axial rotation center of drive shaft, and marching type drive assembly can drive one by one of light filter mounting hole marching type with the registration of photometry through-hole. The base device can realize optical detection on the plurality of optical filters at a time, and reduces the contact chance between personnel and the optical filters.

Description

Base device for detecting optical filter

Technical Field

The utility model relates to an optical detection equipment field, especially a base device for detecting light filter.

Background

The spectral detection of the optical filter usually adopts a spectrophotometer to directly measure, but because of the internal structure characteristics of the spectrophotometer, the clamp of the optical filter is limited to a certain extent, the current detection technology can realize the operation of detecting one chip at a time, the detection speed is low, and the efficiency is not high.

SUMMERY OF THE UTILITY MODEL

In order to solve the above problem, the utility model provides a base device for detecting light filter, this base device can realize that the single carries out optical detection to a plurality of light filters, reduces the chance of personnel and light filter contact.

In order to achieve the purpose, the utility model adopts the technical proposal that:

a base device for detecting an optical filter is characterized in that: including step-by-step drive assembly, drive shaft, fixed disk and light filtering carousel, wherein step-by-step drive assembly's power take off end with the first end power of drive shaft is connected and can drives drive shaft step-by-step and rotate, the fixed disk is fixed to be set up, and this fixed disk has at least one photometry through-hole, have a plurality of on the light filtering carousel and run through the light filter mounting hole of light filtering carousel, and a plurality of the light filter mounting hole is arranged as center of symmetry annular array with the axle center of light filtering carousel, the light filtering carousel is connected with the second end of drive shaft, just the axis of light filtering carousel coincides with the axial rotation center of drive shaft, step-by-step drive assembly can drive one by one of light filter mounting hole step-by-step with the photometry through-hole coincides.

Preferably, the stepping drive assembly comprises a stepping motor and a transmission belt, and an output end of the stepping motor is connected with the second end of the power output end through the transmission belt.

Preferably, the base device further comprises a shell, the stepping type driving assembly, the driving shaft, the fixed disc and the filtering turntable are all installed in the shell, one side of the shell is provided with a circular hollow space, the diameter of the hollow space is matched with the outer diameter of the filtering turntable, and the filtering turntable is installed in the hollow space, so that the shell has a shading effect.

Preferably, still have support piece and fixing base in the casing, the fixing base passes through support piece and installs in the casing, the fixing base middle part has the through-hole, the drive shaft is installed in the through-hole, the drive shaft with the fixing base passes through first bearing rotatable coupling, the front end at the fixing base is installed to the fixed disk.

Preferably, the main body of the fixing seat is in a horn shape, and the front part of the fixing seat is open.

Preferably, the fixing seat has a hollowed-out area for reducing weight inside.

Preferably, a second bearing is provided between the driving shaft and the fixed disk.

Preferably, the filter turntable and the fixed disk are both machined parts made of aluminum.

Preferably, a chamfer structure is formed between the inner ring surface of the filter mounting hole and the end surface of the rear part of the filter turntable.

Preferably, the filter turntable is detachably connected to a front end of the driving shaft.

Use the utility model discloses a beneficial effect is:

this device uses marching type drive assembly as the power end, drives the rotation of filter carousel marching type through the drive shaft, and the light filter mounting hole on the filter carousel is relative with the photometry through-hole on the fixed disk, and the back drive filter carousel that finishes when a light filter mounting hole test rotates, aligns the light filter mounting hole with the photometry through-hole on the fixed disk in proper order from this, conveniently carries out the optical test to the light filter of installing in the light filter mounting hole. The background seat device can improve the detection efficiency of the optical filter and can also reduce the contact between operators and the surface of the optical filter.

Drawings

Fig. 1 is a schematic axial view of a base device for detecting an optical filter according to the present invention.

Fig. 2 is a left side view of the base device for detecting the optical filter of the present invention.

Fig. 3 isbase:Sub>A cross-sectional view of the base device for detecting the optical filter of the present invention along thebase:Sub>A-base:Sub>A direction.

Fig. 4 is a partially enlarged view of fig. 3 at B.

Fig. 5 is a schematic view of the base device for detecting an optical filter according to the present invention, in which the housing and the fixing base are removed.

The reference numerals include:

10-shell, 11-supporting piece, 20-fixing seat, 21-first bearing, 30-driving shaft, 31-gear, 40-fixing disk, 41-photometric through hole, 42-second bearing, 50-optical filtering rotary disk, 51-optical filtering installation hole, 511-chamfering structure, 60-connecting plate, 61-lifting handle, 71-stepping motor and 72-driving belt.

Detailed Description

In order to make the purpose, technical solution and advantages of the present technical solution more clear, the present technical solution is further described in detail below with reference to specific embodiments. It should be understood that the description is intended to be exemplary only, and is not intended to limit the scope of the present teachings.

As shown in fig. 1-5, the present embodiment provides a base device for detecting an optical filter, including a step-by-step driving assembly, a driving shaft 30, a fixed disk 40 and a filter rotating disk 50, wherein a power output end of the step-by-step driving assembly is in power connection with a first end of the driving shaft 30 and can drive the driving shaft 30 to rotate step-by-step, the fixed disk 40 is fixedly disposed, the fixed disk 40 has at least one light measuring through hole 41, the filter rotating disk 50 has a plurality of optical filter mounting holes 51 penetrating through the filter rotating disk 50, and the plurality of optical filter mounting holes 51 are arranged in an annular array with an axis of the filter rotating disk 50 as a symmetry center, the filter rotating disk 50 is connected with a second end of the driving shaft 30, an axis of the filter rotating disk 50 coincides with an axial rotation center of the driving shaft 30, and the step-by-step driving assembly can drive the optical filter mounting holes 51 to coincide with the light measuring through holes 41 one by step.

This device uses step-by-step drive assembly as the power end, drives the rotation of filter carousel 50 step-by-step through drive shaft 30, and the light filter mounting hole 51 on the filter carousel 50 is relative with the photometry through-hole 41 on the fixed disk 40, drives filter carousel 50 and rotates after a light filter mounting hole 51 test finishes, aligns light filter mounting hole 51 with the photometry through-hole 41 on the fixed disk 40 in proper order from this, conveniently carries out the optical test to the light filter of installing in light filter mounting hole 51. The background seat device can improve the detection efficiency of the optical filter and can also reduce the contact between operators and the surface of the optical filter. In this embodiment, the filter turntable 50 is provided with 20 filter mounting holes 51.

The following describes the specific structure of the base unit in detail.

As shown in fig. 1 and 2, the base device further includes a housing 10, the step driving assembly, the driving shaft 30, the fixing plate 40 and the filtering turntable 50 are all installed in the housing 10, one side of the housing 10 has a circular hollow, the diameter of the hollow matches with the outer diameter of the filtering turntable 50, and the filtering turntable 50 is installed in the hollow, so that the housing 10 has a light shielding effect.

Specifically, the outer diameter of the fixed disk 40 and the inner ring surface of the circular hollow position are arranged at intervals, so that the fixed disk 40 is prevented from rotating and interfering with the shell 10. The front panel of casing 10 except that all the other sealings in circular shape fretwork position department, the casing 10 seals all around, and the smooth transition all around of the front panel of casing 10 and casing 10 avoids cutting personnel in the operation process, and casing 10 adopts the processing of aluminum alloy CNC to make.

As shown in fig. 3, the housing 10 has a thin-walled structure with an equal thickness, and since the external member is attached to the rear portion of the housing 10, the rear portion of the housing 10 is open. Still have support piece 11 and fixing base 20 in the casing 10, fixing base 20 passes through support piece 11 to be installed in casing 10, and fixing base 20 middle part has the through-hole, and drive shaft 30 installs in the through-hole, and drive shaft 30 passes through first bearing 21 rotatable coupling with fixing base 20, and fixed disk 40 installs the front end at fixing base 20.

Specifically, the middle of the housing 10 has 2-3 beam-type supporting members 11, the supporting members 11 are connected to the outer circumferential surface of the fixing base 20 near the rear portion, the fixing base 20 is a horn-shaped structure with a wide opening at the front end, the front portion of the fixing base 20 forms a tubular structure, and the fixing plate 40 is mounted at the front end of the tubular structure through countersunk screws. The fixing seat 20 is connected with the fixing disk 40 for the effect that the front end wide opening is open, avoids the hole in the middle of the fixing seat 20, and can also enhance the connection stability of the fixing seat 20 and the fixing disk 40, so that the fixing seat 20 is internally provided with a hollow area for reducing weight.

The fixed disk 40 is provided with 1-3 photometric through holes 41, and one of the photometric through holes 41 can be selected as a first test point. A second bearing 42 is provided between the driving shaft 30 and the fixed disk 40. Since the fixed disk 40 is connected to the fixed base 20 as a rigid body, the stability of the fixed disk 40 and the fixed base 20 as a whole can be balanced by the arrangement of the first bearing 21 and the second bearing 42.

In one embodiment, the filter disc 50 may be inserted into the front end of the driving shaft 30 as a disc-shaped whole in a foolproof manner. For example, the rear end face of the filter disk 50 has two non-axial insertion holes, and the front end face of the drive shaft 30 is provided with 2 insertion rods that are matched in position and shape to the insertion holes, so that the filter disk 50 and the drive shaft 30 are quickly connected.

In this embodiment, the filter rotating disc 50 is a ring structure, and is provided with a connecting plate 60, the outer ring surface of the connecting plate 60 and the inner ring surface of the filter rotating disc 50 are connected with each other through any connection capable of overcoming the relative rotation of the filter rotating disc 50 of the connecting plate 60, a handle is provided at the front portion of the connecting plate 60, an insertion hole is provided at the rear end surface of the connecting plate 60, and the connection manner of the connecting plate 60 and the front end of the driving shaft 30 is the same as the connection manner of the driving shaft 30 and the filter rotating disc 50 in the above embodiment.

The connecting plate 60 has the advantages that the connecting plate 60 can be used as a switching structure, so that the filter rotary disc 50 can be conveniently replaced, and the fixed disc 40 with different specifications and the filter rotary disc 50 with different specifications can be correspondingly adapted to each other, so that the replacement is convenient.

As shown in fig. 5, the step-by-step driving assembly in this embodiment includes a step motor 71 and a belt 72, wherein an output end of the step motor 71 is connected to a second end of the power output end through the belt 72, and the second end of the output end is provided with a driving wheel 31 connected to the belt 72. It should be noted that, in other embodiments, the step-by-step driving assembly is not limited to the step motor 71 and the transmission belt 72, and may also be in the form of the step motor 71 and the gear, the step motor 71 and the gear set, so as to improve the transmission accuracy, and the driving manner of the step motor 71 and the transmission belt 72 has the advantages of simple structure and low manufacturing cost.

The filter turret 50 and the fixed platen 40 are machined from aluminum, which has the advantage of being lightweight.

As shown in fig. 4, a chamfer 511 is formed between the inner circumferential surface of the filter mounting hole 51 and the rear end surface of the filter turret 50. The optical filter can be placed in the optical filter mounting hole 51 through the chamfering structure 511, so that the optical filter is convenient to mount, and the inner annular surface of the optical filter mounting hole 51 can be processed into a conical surface with a small inclination angle, so that the optical filter is convenient to position.

The base device can keep the center of the front and rear light paths unchanged after the optical filter is replaced, and can control any optical filter to reach the position of the appointed light path. The center position of the filter mounting hole 51 in the filter turntable 50 is calibrated to ensure that the filter mounting hole and the light emitting port and the light receiving port of the test instrument are on the same horizontal line, so that the filter can be directly and accurately measured.

The foregoing is only a preferred embodiment of the present invention, and many variations can be made in the specific embodiments and applications of the present invention by those skilled in the art without departing from the spirit of the present invention.

Claims

1. A base device for detecting an optical filter is characterized in that: including step-by-step drive assembly, drive shaft, fixed disk and light filtering carousel, wherein step-by-step drive assembly's power take off end with the first end power of drive shaft is connected and can drives drive shaft step-by-step and rotate, the fixed disk is fixed to be set up, and this fixed disk has at least one photometry through-hole, have a plurality of on the light filtering carousel and run through the light filter mounting hole of light filtering carousel, and a plurality of the light filter mounting hole is arranged as center of symmetry annular array with the axle center of light filtering carousel, the light filtering carousel is connected with the second end of drive shaft, just the axis of light filtering carousel coincides with the axial rotation center of drive shaft, step-by-step drive assembly can drive one by one of light filter mounting hole step-by-step with the photometry through-hole coincides.

2. The base unit for the detection filter according to claim 1, wherein: the stepping driving assembly comprises a stepping motor and a transmission belt, and the output end of the stepping motor is connected with the second end of the power output end through the transmission belt.

3. The base unit for the detection filter according to claim 1, wherein: the base device further comprises a shell, the stepping type driving assembly, the driving shaft, the fixed disc and the filtering rotary disc are all installed in the shell, a circular hollow space is formed in one side of the shell, the diameter of the hollow space is matched with the outer diameter of the filtering rotary disc, and the filtering rotary disc is installed in the hollow space, so that the shell has a shading effect.

4. The base unit for the detection filter according to claim 3, wherein: still have support piece and fixing base in the casing, the fixing base passes through support piece and installs in the casing, the fixing base middle part has the through-hole, the drive shaft is installed in the through-hole, the drive shaft with the fixing base passes through first bearing rotatable coupling, the front end at the fixing base is installed to the fixed disk.

5. The base unit for the detection filter according to claim 4, wherein: the main part of fixing base is loudspeaker form, and the front portion of fixing base is for opening the form.

6. The base unit for the detection filter according to claim 4, wherein: the interior of the fixed seat is provided with a hollow area for reducing weight.

7. The base unit for the detection filter according to claim 1, wherein: and a second bearing is arranged between the driving shaft and the fixed disc.

8. The base unit for a detection filter according to claim 1, wherein: the light filtering rotary disc and the fixed disc are both aluminum workpieces.

9. The base unit for a detection filter according to claim 1, wherein: and a chamfer structure is formed between the inner ring surface of the optical filter mounting hole and the end surface of the rear part of the optical filter turntable.

10. The base unit for a detection filter according to claim 1, wherein: the filtering rotary disc is detachably connected with the front end of the driving shaft.