CN214311234U

CN214311234U - Infrared shutter

Info

Publication number: CN214311234U
Application number: CN202023174083.6U
Authority: CN
Inventors: 韩彪
Original assignee: Shenzhen Bovi Photoelectric Technology Co ltd
Current assignee: Shenzhen Bovi Photoelectric Technology Co ltd
Priority date: 2020-12-25
Filing date: 2020-12-25
Publication date: 2021-09-28
Anticipated expiration: 2030-12-25

Abstract

The utility model discloses an infrared shutter, including the casing, still include with a blade of casing articulated locates on the casing and relative casing central point puts the unthreaded hole of eccentric settings, and is used for the drive the blade rotates in order to shelter from the unthreaded hole or leave the actuating mechanism of unthreaded hole. The utility model provides an infrared shutter adopts a blade to shelter from the structure of unthreaded hole, and the temperature difference on a blade is littleer, has eliminated the great defect of temperature difference between the polylith blade, reaches better operation requirement. Meanwhile, the light hole is eccentrically arranged relative to the center of the shell, so that the increase of a moving space required when one blade is moved to shield the light hole can be eliminated, and the size of the infrared shutter is further reduced. The pins on the metal shell can conduct away static electricity on the infrared shutter, and influence of the static electricity on internal components is reduced. The shell is provided with a heat insulation part to reduce the influence of heat generated by the coil and the yoke on the blade.

Description

Infrared shutter

[ technical field ] A method for producing a semiconductor device

The utility model relates to a shutter technical field, concretely relates to infrared shutter.

[ background of the invention ]

When the traditional infrared shutter is used, the requirement on the temperature consistency of the shading blades is high. Present infrared shutter adopts polylith shading blade usually, leads to the temperature difference between the polylith shading blade great easily like this, is difficult to reach operation requirement, simultaneously, adopts polylith shading blade to lead to traditional infrared shutter's volume great.

[ Utility model ] content

The utility model provides a shading blade temperature difference on the traditional infrared shutter big, and the great technical problem of traditional infrared shutter volume, the utility model provides a simple structure, reasonable in design's infrared shutter.

The utility model discloses a realize through following technical scheme:

the infrared shutter comprises a shell, a blade, a light hole and a driving mechanism, wherein the blade is hinged to the shell, the light hole is formed in the shell and is eccentrically arranged relative to the center of the shell, and the driving mechanism is used for driving the blade to rotate so as to shield the light hole or leave the light hole.

As above infrared shutter, actuating mechanism is including locating the dwang on its output, the dwang with the cooperation is established to the blade cover, the dwang rotates and drives the blade wind the blade with the pin joint of casing rotates.

According to the infrared shutter, the blade is provided with the through groove for the rotating rod to be inserted into, and the rotating rod moves back and forth relative to the through groove to drive the blade to rotate back and forth when rotating back and forth.

According to the infrared shutter, the shell is provided with the cavity for the blades to rotate, the cavity is provided with the blade cover plate for limiting the blades in the cavity, and the shell is provided with the cover plate welding column for fixedly connecting the blade cover plate in a hot welding mode.

According to the infrared shutter, one end of the blade is hinged with the shell, and the shell is provided with the supporting part which is arranged corresponding to the other end of the blade and used for supporting the blade when the blade rotates.

The infrared shutter comprises a rotor, a yoke iron for generating a magnetic field to drive the rotor to rotate and a coil arranged on the yoke iron, wherein the rotating rod is arranged on the rotor.

In the infrared shutter, the housing is provided with a heat insulation portion, and the blade and the driving mechanism are respectively disposed on two sides of the heat insulation portion.

According to the infrared shutter, the casing is provided with the circuit board on one side of the coil, and the circuit board is provided with the welding spot which enables the coil to be electrically connected with the circuit board through the resistance welding circuit.

The infrared shutter further comprises a metal shell, and a pin used for grounding is arranged on the metal shell.

According to the infrared shutter, the metal shell is further provided with a pressing part which is used for pressing the flexible circuit board so as to press and fix the flexible circuit board.

Compared with the prior art, the utility model discloses an there are following advantage:

the utility model provides an infrared shutter, including the casing, still include with casing articulated a blade, locate on the casing and relative casing central point put the unthreaded hole of eccentric settings to and be used for driving the blade and rotate in order to shelter from the unthreaded hole or leave the actuating mechanism of unthreaded hole. Adopt a blade to shelter from the structure in unthreaded hole, compare the structure that adopts the polylith blade, the temperature difference on the blade is littleer, has eliminated the great defect of temperature difference between the polylith blade, reaches better operation requirement. Meanwhile, the light hole is eccentrically arranged relative to the center of the shell, so that the increase of a moving space required when one blade is moved to shield the light hole can be eliminated, and the size of the infrared shutter is further reduced.

[ description of the drawings ]

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.

Fig. 1 is a first schematic structural diagram of the present invention;

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

FIG. 3 is a second exploded view of the present invention;

FIG. 4 is a second schematic structural view of the present invention;

fig. 5 is a schematic view showing the motion state of the blade according to the present invention;

fig. 6 is a schematic view of the moving state of the blade according to the present invention.

[ detailed description ] embodiments

In order to make the technical problem technical scheme and the beneficial effect that the utility model solved more clearly understand, it is right to combine the attached drawing and embodiment below the utility model discloses further detailed description proceeds. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

When embodiments of the present invention refer to the ordinal numbers "first", "second", etc., it should be understood that the terms are used for distinguishing only when they do express the ordinal order in context.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected" and "connected" are to be construed broadly, and may for example be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

The infrared shutter comprises a shell 1, and further comprises a blade 2 hinged to the shell 1, a light hole 11 arranged on the shell 1 and eccentrically arranged relative to the center of the shell 1, and a driving mechanism 3 used for driving the blade 2 to rotate so as to shield the light hole 11 or leave the light hole 11.

An embodiment of the utility model provides an infrared shutter, including the casing, still include with casing articulated a blade, locate on the casing and relative casing central point puts the unthreaded hole of eccentric settings to and be used for driving the blade and rotate in order to shelter from the unthreaded hole or leave the actuating mechanism of unthreaded hole. Adopt a blade to shelter from the structure in unthreaded hole, compare the structure that adopts the polylith blade, the temperature difference on the blade is littleer, has eliminated the great defect of temperature difference between the polylith blade, reaches better operation requirement. Meanwhile, the light hole is eccentrically arranged relative to the center of the shell, so that the increase of a moving space required when one blade is moved to shield the light hole can be eliminated, and the size of the infrared shutter is further reduced.

Further, as a preferred embodiment of the present invention, but not limited thereto, the driving mechanism 3 includes a rotating rod 31 disposed on an output end thereof, the rotating rod 31 is sleeved with the vane 2, and the rotating rod 31 rotates to drive the vane 2 to rotate around a hinge point between the vane 2 and the housing 1. The driving mechanism rotates to drive the rotating rod to rotate, and the transmission mode of the blade and the rotating rod in a sleeved mode is simple and reliable, and the service life is long. The drive mechanism includes a motor or the like capable of providing rotational power.

Further, as a preferred embodiment of the present invention, but not limited thereto, a through groove 21 into which the rotating rod 31 is inserted is provided on the blade 2, and when the rotating rod 31 rotates back and forth, the rotating rod moves back and forth relative to the through groove 21 to drive the blade 2 to rotate back and forth. The through groove supplies the dwang to rotate and is keeping in leading to the inslot all the time to thereby drive the blade rotation through pressing on leading to the groove lateral wall.

Further, as a preferred embodiment of the present disclosure, but not limited thereto, a cavity 12 for the blade 2 to rotate is disposed on the housing 1, a blade cover 13 for limiting the blade 2 in the cavity 12 is disposed on the cavity 12, and a cover plate welding column 14 for fixedly connecting the blade cover 13 by using a thermal welding method is disposed on the housing 1. Because the shutter structure is complicated and the inner space is little, adopt the hot melt mode, make apron butt fusion post insert on the blade apron rather than in the through-hole that pairs, carry out the hot melt with board butt fusion post again, make its position of fixing the blade apron, can omit the shared space of helicitic texture or buckle formula structure like this, connect more firmly moreover.

Further, as a preferred embodiment of the present invention, but not limited thereto, the housing 1 is further provided with a magnetic ring cover 6 for covering the driving mechanism 3, and a magnetic ring cover welding column 61 provided corresponding to the magnetic ring cover 6.

Further, as a preferred embodiment of the present invention, but not limited thereto, one end of the vane 2 is hinged to the housing 1, and the housing 1 is provided with a support portion 16 which is provided corresponding to the other end of the vane 2 and supports the vane 2 when the vane 2 rotates. In this embodiment, the unthreaded hole is squarely, and the fillet is handled to the corner, and square unthreaded hole eccentric settings, blade adopt the mode of a slice, and the blade material adopts metal, can reach the best effect with the temperature equilibrium when the product is worked. And compared with the structure that the light hole is arranged at the right center of the shell, the structure can further save space.

Further, as a preferred embodiment of the present invention, but not limited thereto, the driving mechanism 3 includes a rotor 32, a yoke 33 for generating a magnetic field to drive the rotor 32 to rotate, and a coil 34 disposed on the yoke 33, and the rotating shaft 31 is disposed on the rotor 32. The coil is electrified to generate a magnetic field, so that the rotor is driven to rotate, and the rotating rod is driven to rotate.

Further, as a preferred embodiment of the present invention, but not limited thereto, a heat insulating portion 15 is provided on the casing 1, and the blade 2 and the driving mechanism 3 are provided on both sides of the heat insulating portion 15. The electromagnetic valve composed of the coil and the yoke iron can generate heat when being electrified, and the heat insulation part is used for separating the electromagnetic valve from the blades so as to reduce the influence of the heating of the electromagnetic valve on the blades.

Further, as a preferred embodiment of the present invention, but not limited thereto, a circuit board 5 is provided on the case 1 on the side of the coil 34, and the circuit board 5 is provided with a solder joint 51 for electrically connecting the coil 34 and the circuit board 5 by resistance soldering. The adoption of the resistance welding mode is beneficial to reducing the volume of a welding spot, welding in a tiny space, and meanwhile, no pollutants such as rosin, dropped soldering tin and the like are generated in the welding process, so that the precision and the cleanliness of the infrared shutter are kept.

Further, as a preferred embodiment of the present invention, but not limited to, the present invention further includes a metal housing 4, and the metal housing 4 is provided with a pin 41 for grounding. The pin can lead away the static on the infrared shutter, reduces the influence of static to inside components and parts.

Further, as a preferred embodiment of the present invention, but not limited thereto, the metal shell 4 is further provided with a pressing portion 42 for pressing against the flexible circuit board to press and fix the flexible circuit board.

The working principle of the embodiment is as follows:

The foregoing is illustrative of embodiments provided in connection with the detailed description and is not intended to limit the disclosure to the particular forms set forth herein. Similar to the structure of the method, or several technical deductions or substitutions made on the premise of the conception of the present application, should be regarded as the protection scope of the present application.

Claims

1. Infrared shutter, including casing (1), its characterized in that: still include with casing (1) articulated a blade (2), locate casing (1) is gone up and is relative casing (1) central point puts unthreaded hole (11) that eccentric settings, and is used for the drive blade (2) rotate in order to shelter from unthreaded hole (11) or leave actuating mechanism (3) of unthreaded hole (11), be equipped with the confession on casing (1) blade (2) pivoted cavity (12), be equipped with on cavity (12) and be used for with blade (2) restriction is in blade apron (13) in cavity (12).

2. The infrared shutter according to claim 1, characterized in that: actuating mechanism (3) are including locating dwang (31) on its output, dwang (31) with the cooperation is established to blade (2) cover, dwang (31) rotate and drive blade (2) wind blade (2) with the pin joint of casing (1) rotates.

3. The infrared shutter according to claim 2, characterized in that: be equipped with the confession on blade (2) dwang (31) male logical groove (21), dwang (31) comes and goes relatively when rotating logical groove (21) come and go and remove in order to drive blade (2) come and go and rotate.

4. The infrared shutter according to claim 1, characterized in that: and the shell (1) is provided with a cover plate welding column (14) for fixedly connecting the blade cover plate (13) in a hot welding mode.

5. The infrared shutter according to claim 1, characterized in that: blade (2) one end with casing (1) is articulated, be equipped with on casing (1) and correspond blade (2) other end sets up, and it is right when blade (2) rotate blade (2) carry out the supporting part (16) that supports.

6. The infrared shutter according to claim 2, characterized in that: the driving mechanism (3) comprises a rotor (32), a yoke (33) and a coil (34), wherein the yoke (33) is used for generating a magnetic field to drive the rotor (32) to rotate, the coil (34) is arranged on the yoke (33), and the rotating rod (31) is arranged on the rotor (32).

7. The infrared shutter according to claim 1, characterized in that: the shell (1) is provided with a heat insulation part (15), and the blades (2) and the driving mechanism (3) are respectively arranged on two sides of the heat insulation part (15).

8. The infrared shutter according to claim 6, characterized in that: the coil (34) is arranged on the shell (1), a circuit board (5) is arranged on one side of the coil (34), and welding points (51) which enable the coil (34) to be electrically connected with the circuit board (5) through resistance welding circuits are arranged on the circuit board (5).

9. The infrared shutter according to claim 1, characterized in that: the grounding device is characterized by further comprising a metal shell (4), wherein a pin (41) used for grounding is arranged on the metal shell (4).

10. The infrared shutter according to claim 9, characterized in that: the metal shell (4) is also provided with a pressing part (42) which is used for pressing the flexible circuit board so as to press and fix the flexible circuit board.