CN210401980U

CN210401980U - Thin infrared filter switcher

Info

Publication number: CN210401980U
Application number: CN201921540700.4U
Authority: CN
Inventors: 翁崴皓
Original assignee: Funder Electronics Co ltd
Current assignee: Funder Electronics Co ltd
Priority date: 2019-09-17
Filing date: 2019-09-17
Publication date: 2020-04-24
Anticipated expiration: 2029-09-17

Abstract

The utility model relates to a slim infrared ray light filter switch, include: the electromagnetic unit comprises a shell, an electromagnetic unit and a plate body, wherein the shell is provided with a first accommodating space and a second accommodating space, and the bottom of the second accommodating space is provided with a first through hole; the electromagnetic unit is arranged in the first accommodating space; and when the electromagnetic working unit is powered on, a shifting sheet rotates and drives the plate body to move, so that the optical filter corresponds to the first through hole, and the function of switching the optical filter is achieved.

Description

Thin infrared filter switcher

Technical Field

The utility model relates to a camera lens imaging technology field, concretely relates to infrared ray light filter switch that volume is more frivolous.

Background

Generally, a filter Lens assembly is mainly formed by assembling a filter switch module and a Lens (Lens), and an Image Sensor (Image Sensor) is disposed on a side of the filter switch module opposite to the Lens, so that a focal point of the Lens can be focused on the Image Sensor accurately, wherein the filter switch module can be an infrared filter Removable (ICR) module.

The conventional filter switch has the disadvantages of large size and limited application range, and thus, there is still a need for improvement.

SUMMERY OF THE UTILITY MODEL

In view of the above-mentioned disadvantages, the thin infrared filter switch of the present invention comprises: a housing having a first receiving space and a second receiving space, the first receiving space being communicated with the second receiving space, and the depth of the first receiving space being greater than that of the second receiving space, the first receiving space having a first step portion, so that the first receiving space is divided into an upper space portion and a lower space portion, the bottom and inner wall of the upper space portion being respectively provided with a shaft seat and a first stopper, the inner wall of the lower space portion being provided with a slant protrusion, a side groove, a left protrusion, a cushion block, a second stopper and a right protrusion, the bottom and inner wall of the second receiving space being respectively provided with a first through hole and two grooves; an electromagnetic unit, it includes a shaft body, a magnetic assembly, a plectrum, an iron core and several coils locating on the iron core, the shaft body is located on the axle bed, the magnetic assembly is located on the shaft body, the plectrum is located on the top of the shaft body, the end of the plectrum has a combination piece, the iron core is in U shape, make both ends of each iron core parallel and opposite, both ends of the iron core locate at the upper space portion, and fixed by the first catch block, the magnetic assembly locates between both ends of the iron core, the iron core has position of each coil to locate at the lower space portion, and each coil is parallel and opposite, the bottom of the iron core locates between the cushion block and the second catch block, both sides of the bottom of the iron core are blocked with the left lug and the right lug, both ends of the magnetic assembly are a positive pole portion and a negative pole portion respectively, each coil connects a positive pole wire and a negative pole wire respectively, the other end of the positive lead and the other end of the negative lead are combined with a terminal which is electrically connected to an external power supply, and the magnetic field of each coil after the power-on respectively repels the magnetism of the positive part and the negative part, so that the magnetic component pivots and drives the shifting piece to rotate; and the two ends of the plate body are arranged on the grooves of the second accommodating space, the plate body is provided with at least one optical filter, one end of the plate body extends to form a convex part, the convex part is positioned above the side groove, the convex part is provided with a limiting hole, the combining part of the shifting piece is arranged in the limiting hole in a penetrating manner, and when the shifting piece rotates, the combining part drives the plate body to move so that the optical filter corresponds to the first through hole.

Wherein, the two ends of the iron core are respectively provided with a concave arc part, and each concave arc part respectively faces to the positive pole part and the negative pole part of the magnetic component.

The shell is provided with a cover plate, the first containing space and the second containing space are sealed by the cover plate, and the cover plate is provided with a second through hole corresponding to the first through hole.

Drawings

The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.

FIG. 1 is a perspective view of the present invention;

fig. 2 is an exploded perspective view of the present invention;

fig. 3 is a top view of the housing of the present invention;

fig. 4 is a perspective view of the housing of the present invention from another viewing angle;

fig. 5 is an assembled internal perspective view of the present invention;

fig. 6 is another perspective view continuing from the fifth figure.

Description of the reference numerals

10 casing

11 first accommodation space

Space above 111

1111 axle seat

1112 first catch block

112 lower space part

1121 oblique projection

1122 side groove

1123 left bump

1124 cushion block

1125 second fastening block

1126 Right lug

12 second accommodating space

121 first through hole

122 grooves

20 electromagnetic unit

21 axle body

22 magnetic assembly

23 plectrum

231 parts

24 iron core

241 concave arc part

25 coil

251 positive electrode lead

252 cathode lead

253 terminal

30 plate body

31 optical filter

32 convex part

321 limiting hole

40 cover plate

41 second through hole

A a first stage section.

Detailed Description

The technical solution in the embodiment of the present invention is clearly and completely described below with reference to the drawings in the embodiment of the present invention. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, but the present invention may be implemented in other ways different from the specific details set forth herein, and one skilled in the art may similarly generalize the present invention without departing from the spirit of the present invention, and therefore the present invention is not limited to the specific embodiments disclosed below.

Referring to fig. 1 to 4, the thin infrared filter switcher of the present invention includes:

a housing 10 having a first receiving space 11 and a second receiving space 12, the first receiving space 11 being communicated with the second receiving space 12, the depth of the first receiving space 11 being greater than that of the second receiving space 12, the first receiving space 11 having a first stage a, so that the first receiving space 11 is divided into an upper space portion 111 and a lower space portion 112, a shaft seat 1111 and a first catch 1112 being respectively disposed on the bottom and inner wall of the upper space portion 111, an inclined protrusion 1121, a side groove 1122, a left protrusion 1123, a pad 1124, a second catch 1125 and a right protrusion 1126 being disposed on the inner wall of the lower space portion 112, and a first through hole 121 and a second groove 122 being respectively disposed on the bottom and inner wall of the second receiving space 12.

Referring to fig. 2 to 6, an electromagnetic unit 20 includes a shaft 21, a magnetic component 22, a pick 23, an iron core 24, and a plurality of coils 25 disposed on the iron core 24.

The shaft body 21 is disposed on the shaft seat 1111, the magnetic component 22 is disposed on the shaft body 21, the pick 23 is disposed on the top of the shaft body 21, and a connecting member 231 is disposed at the end of the pick 23.

The width of the end of the shifting piece 23 combined with the shaft 21 is larger than the width of the combining piece 231, so that the two sides of the shifting piece 23 are inclined.

The iron core 24 is U-shaped, so that two ends of each iron core 24 are parallel and opposite, and two ends of the iron core 24 are located in the upper space portion 111 and fixed by the first catch block 1112.

The magnetic assembly 22 is located between two ends of the iron core 24, the portion of the iron core 24 where each coil 25 is located in the lower space portion 112, the coils 25 are parallel and opposite, the bottom of the iron core 24 is located between the cushion block 1124 and the second catch 1125, and two sides of the bottom of the iron core 24 are fastened with the left protrusion 1123 and the right protrusion 1126.

Two ends of the magnetic assembly 22 are respectively a positive electrode portion and a negative electrode portion, two ends of the iron core 24 are respectively provided with a concave arc portion 241, and each concave arc portion 241 respectively faces the positive electrode portion and the negative electrode portion of the magnetic assembly 22.

Each coil 25 is connected to a positive electrode wire 251 and a negative electrode wire 252, the positive electrode wire 251 and the negative electrode wire 252 are combined with a terminal 253 at the other end, and the terminal 253 is electrically connected to an external power source.

A plate 30, two ends of which are disposed on the grooves 122 of the second accommodating space 12, wherein the plate 30 is provided with at least one optical filter 31, a protrusion 32 extends from one end of the plate 30, the protrusion 32 is located above the side groove 1122, the protrusion 32 is provided with a limiting hole 321, and the engaging member of the pick 23 is disposed in the limiting hole 321.

The housing 10 is provided with a cover plate 40, the cover plate 40 seals the first accommodating space 11 and the second accommodating space 12, and the cover plate 40 is provided with a second through hole 41 corresponding to the first through hole 121.

Referring to fig. 5 and fig. 6, the magnetic field generated by each coil 25 after the thin infrared filter switcher is powered on is respectively repelled by the magnetism of the positive electrode and the negative electrode, so that the magnetic assembly 22 pivots and drives the shifting piece 23 to rotate, when the shifting piece 23 rotates, the combining piece 231 drives the plate body 30 to move, so that the optical filter 31 corresponds to the first through hole 121 to achieve the switching function, and the thin infrared filter switcher greatly reduces the volume, is thin in design, light in weight, and can be conveniently used in devices in various fields.

The two sides of the shifting piece 23 are inclined, so that the shifting piece 23 will contact with the inclined protrusion 1121 after completing the pivoting, and the inclined protrusion 1121 stops the collision to achieve the purpose of prolonging the service life.

It is obvious that the described embodiments are only some of the embodiments of the present invention, and not all of them. 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.

Claims

1. A thin infrared filter switch, comprising:

a housing having a first receiving space and a second receiving space, the first receiving space being communicated with the second receiving space, and the depth of the first receiving space being greater than that of the second receiving space, the first receiving space having a first step portion, so that the first receiving space is divided into an upper space portion and a lower space portion, the bottom and inner wall of the upper space portion being respectively provided with a shaft seat and a first stopper, the inner wall of the lower space portion being provided with a slant protrusion, a side groove, a left protrusion, a cushion block, a second stopper and a right protrusion, the bottom and inner wall of the second receiving space being respectively provided with a first through hole and two grooves;

an electromagnetic unit, it includes a shaft body, a magnetic component, a plectrum, an iron core and several coils which are placed on the iron core, said shaft body is placed on said shaft body, said magnetic component is placed on said shaft body, said plectrum is placed on the top portion of said shaft body, the tail end of said plectrum is equipped with a combination piece, said iron core is made into the form of U, two ends of every iron core are parallelly-opposite, two ends of said iron core are positioned in the upper space portion and fixed by said first clamping block, said magnetic component is positioned between two ends of said iron core, the position of said iron core equipped with every coil is positioned in the lower space portion, and every coil is parallelly-opposite, the bottom portion of said iron core is placed between said cushion block and said second clamping block, two sides of bottom portion of said iron core are fixedly-fixed with said left lug and said right lug, two ends of said magnetic component are respectively an anode portion and a cathode portion, every coil is respectively connected with an anode wire and a cathode wire, the other end of the positive lead and the other end of the negative lead are combined with a terminal which is electrically connected to an external power supply, and the magnetic field of each coil after the power-on respectively repels the magnetism of the positive part and the negative part, so that the magnetic component pivots and drives the shifting piece to rotate; and

and the two ends of the plate body are arranged on the grooves of the second accommodating space, the plate body is provided with at least one optical filter, one end of the plate body extends to form a convex part, the convex part is positioned above the side groove, the convex part is provided with a limiting hole, the combining part of the shifting piece is arranged in the limiting hole in a penetrating manner, and when the shifting piece rotates, the combining part drives the plate body to move so that the optical filter corresponds to the first through hole.

2. The thin infrared filter switcher of claim 1, wherein the iron core has a concave portion at each end, each concave portion facing the positive electrode portion and the negative electrode portion of the magnetic assembly.

3. The thin infrared filter switcher of claim 1, wherein a cover is disposed on the housing, the cover encloses the first and second receiving spaces, and the cover has a second through hole corresponding to the first through hole.