CN209946616U

CN209946616U - Micro motor driven double-optical-filter switcher

Info

Publication number: CN209946616U
Application number: CN201921231786.2U
Authority: CN
Inventors: 涂金汉; 李亚鹏
Original assignee: Rui Da Electronics Co Ltd Of Huizhou City
Current assignee: JIANGXI BAIHONG OPTOELECTRONICS TECHNOLOGY Co.,Ltd.
Priority date: 2019-07-31
Filing date: 2019-07-31
Publication date: 2020-01-14
Anticipated expiration: 2029-07-31

Abstract

The utility model discloses a two filter switches of micro motor drive relates to camera part field. The utility model discloses a base, the fixed column is all installed at four end angles on the upper portion of base, fixed box is installed to the lower extreme of base, well lid is installed to the upper end of base, the upper cover is installed to the upper end of well lid, the fixed block is all installed at the both ends of upper cover, the internal surface mounting of base has the motor, the pivot is installed to the one end of motor, the gear is installed to the one end of pivot, the rack of nibbling is installed to the lower extreme of gear. The utility model discloses a series of structural design make can effectively prevent in the dust water stain admission apparatus, avoid it to cause the damage of light filter, also can prevent the inside water smoke that plays of lens.

Description

Micro motor driven double-optical-filter switcher

Technical Field

The utility model belongs to the technical field of the camera part, especially, relate to a two filter switches of micro motor drive.

Background

With the rapid development of society, for some surveillance cameras or video cameras, because they need to work in the daytime and at night respectively, in order to improve the imaging quality, an optical filter switching device is usually installed on the surveillance camera or camera lens, two optical filters with different colors can be switched in front of a CCD module, when the sunlight in the daytime is sufficient, the blue glass (also called phosphate glass) for filtering infrared rays is used for absorbing and reflecting infrared rays in natural light (more than 95% of infrared rays above 700nm can be absorbed or reflected), so that the CCD restores real color, the picture color is more pure and beautiful, the vision of human eyes is satisfied, when the light at night is insufficient, the infrared cut-off optical filter is automatically switched, the full spectrum optical glass (or infrared anti-reflection optical filter) starts to work, and the CCD fully reaches all light rays, thereby greatly improving low light performance.

However, the existing double-optical-filter switcher has poor sealing effect, water stain and dust are easy to enter the device to cause damage of the optical filter, the antifogging effect is poor, and lenses in the device are easy to fog; therefore, the present need is not met, and a micro-motor driven dual-filter switch is proposed.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a two filter switches of micro motor drive to solve the problem that proposes among the above-mentioned background art.

In order to solve the technical problem, the utility model discloses a realize through following technical scheme:

the utility model relates to a two filter switches of micro motor drive, the on-line screen storage device comprises a base, the fixed column is all installed at four end angles on the upper portion of base, fixed box is installed to the lower extreme of base, well lid is installed to the upper end of base, the upper cover is installed to the upper end of well lid, the fixed block is all installed at the both ends of upper cover, the internally surface mounting of base has the motor, the pivot is installed to the one end of motor, the gear is installed to the one end of pivot, the rack of nibbling is installed to the lower extreme of gear.

Further, a first sealing ring is installed on the inner side of the upper cover, and a glass lens is installed on the inner side of the first sealing ring.

Further, a second sealing ring is mounted on the lower surface of the upper cover.

Furthermore, an infrared cut-off filter is installed at one end of the meshing rack, and a full-spectrum filter is installed on one side of the infrared cut-off filter.

The utility model discloses following beneficial effect has:

1. the utility model discloses a motor operation drives the pivot rotatory, and then makes gear revolve, makes the tooth strip slide under tooth and tooth meshing's effect, drives infrared cut-off filter and moves with full gloss register for easy reference light filter, adjusts the back control motor that finishes and overturns for the tooth strip moves in the opposite direction, and the second sealing washer of upper cover lower extreme installation and the recess cooperation of seting up of well lid upper surface, can effectively prevent to install inside water stain and the dust access device.

2. The utility model discloses a and seted up the screw at the upper surface of fixed block, can be in the same place upper cover and well lid installation through the screw, the fixed slot of seting up inside the upper cover makes the sealed effect of device better with the cooperation of glass lens surface mounting's first sealing washer, has effectively prevented the situation that glass lens surface hazed.

Of course, it is not necessary for any particular product to achieve all of the above-described advantages at the same time.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced 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 that other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic overall structure diagram of the present invention;

fig. 2 is a schematic structural diagram of the optical filter switching according to the present invention;

fig. 3 is a cross-sectional view of the upper cover, the middle cover and the lower cover of the present invention.

In the drawings, the components represented by the respective reference numerals are listed below:

1. a base; 2. fixing a column; 3. a fixing box; 4. a middle cover; 5. an upper cover; 6. a fixed block; 7. a motor; 8. a rotating shaft; 9. a gear; 10. a rack is meshed; 11. an infrared cut filter; 12. a full spectrum filter; 13. a glass lens; 14. a first seal ring; 15. and a second seal ring.

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 of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.

Please refer to fig. 1-3, the utility model relates to a two filter switches of micro motor drive, including base 1, fixed column 2 is all installed at four end angles on base 1's upper portion, fixed box 3 is installed to base 1's lower extreme, well lid 4 is installed to base 1's upper end, upper cover 5 is installed to well lid 4's upper end, fixed block 6 is all installed at the both ends of upper cover 5, base 1's internally surface mounting has motor 7, pivot 8 is installed to motor 7's one end, gear 9 is installed to pivot 8's one end, rack 10 is installed to gear 9's lower extreme.

As shown in fig. 3, a first sealing ring 14 is installed on the inner side of the upper cover 5, a glass lens 13 is installed on the inner side of the first sealing ring 14, and the first sealing ring 14 can play a sealing role to prevent the surface of the glass lens 13 from fogging.

Wherein as shown in fig. 3, the lower surface of the upper cover 5 is provided with a second sealing ring 15, and the second sealing ring 15 can prevent water stain and dust from entering the inside of the device, thereby effectively protecting the normal use of the optical filter.

As shown in fig. 2, an infrared cut filter 11 is installed at one end of the rodent 10, and a full spectrum filter 12 is installed at one side of the infrared cut filter 11.

One specific application of this embodiment is: the motor 7 runs to drive the rotating shaft 8 to rotate, and then the gear 9 is made to rotate, the meshing rack 10 is made to slide under the action of teeth and teeth meshing, the infrared cut-off filter 11 and the full-spectrum filter 12 are driven to move, the motor 7 is controlled to turn over after adjustment is finished, the meshing rack 10 is made to move in the opposite direction, the second sealing ring 15 mounted at the lower end of the upper cover 5 is matched with the groove formed in the upper surface of the middle cover 4, the external water stain and dust of the device can be effectively prevented from entering the device, the screw hole is formed in the upper surface of the fixing block 6, the upper cover 5 and the middle cover 4 can be mounted together through the screw hole, the fixing groove formed in the upper cover 5 is matched with the first sealing ring 14 mounted on the outer surface of the glass lens 13, the sealing effect of the device is better, and the surface fogging situation.

In the description herein, references to the description of "one embodiment," "an example," "a specific example," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The preferred embodiments of the present invention disclosed above are intended only to help illustrate the present invention. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and its practical applications, to thereby enable others skilled in the art to best understand the invention for and utilize the invention. The present invention is limited only by the claims and their full scope and equivalents.

Claims

1. A micro motor-driven dual-filter switcher comprises a base (1), and is characterized in that: fixed column (2) are all installed to four end angles on the upper portion of base (1), fixed box (3) are installed to the lower extreme of base (1), well lid (4) are installed to the upper end of base (1), upper cover (5) are installed to the upper end of well lid (4), fixed block (6) are all installed at the both ends of upper cover (5), the internally surface mounting of base (1) has motor (7), pivot (8) are installed to the one end of motor (7), gear (9) are installed to the one end of pivot (8), rack (10) are installed to the lower extreme of gear (9).

2. The micro-motor driven dual-filter switch of claim 1, wherein: a first sealing ring (14) is installed on the inner side of the upper cover (5), and a glass lens (13) is installed on the inner side of the first sealing ring (14).

3. The micro-motor driven dual-filter switch of claim 1, wherein: and a second sealing ring (15) is arranged on the lower surface of the upper cover (5).

4. The micro-motor driven dual-filter switch of claim 1, wherein: an infrared cut-off filter (11) is installed at one end of the rack (10), and a full-spectrum filter (12) is installed on one side of the infrared cut-off filter (11).