Integrated closed type dustproof structure optical filter switching device

Abstract

The utility model discloses an integrated closed dustproof structure optical filter switching device which comprises a base, a mounting groove is arranged on one side in the base, a coil holder assembly is arranged in the mounting groove, a coil is wound on the surface of the outer side of the coil holder assembly, and U-shaped iron is movably clamped in the coil holder assembly. A magnet rocker arm assembly is movably arranged on one side of the coil holder assembly in the mounting groove through a rotating shaft, and the U iron is arranged on the outer side of the magnet rocker arm assembly in a sleeving manner; a moving piece is arranged on one side of the mounting groove in the base, and the moving piece is movably arranged in the base, so that the moving piece can move left and right in the base; and an IR + AR optical filter assembly is fixedly arranged on the outer side surface of the moving sheet. According to the utility model, the lead-free design is adopted, and the contact effect of the connection mode of the PINs is better; the fixing effect is more stable; and meanwhile, the device can be integrally designed without wires, the sealing performance is better, and the light-proof and dust-proof effects are good.

Description

Technical Field

[0001] The utility model relates to the technical field of optical filter switching devices, in particular to an optical filter switching device with an integrated closed dustproof structure. Background Art

[0002] A filter switch is a device that can quickly separate pixels of different colors in an image sequence. It consists of two independent optical lenses that can slide against each other. This device is usually used in the black-and-white conversion process of video surveillance systems and is also called a "black-and-white converter." The filter switch can control different color channels of the entire image by switching different lenses. Adding some transition colors at the junction of color and black-and-white images can enrich the image effect or highlight the color information of a specific area; it is widely used in the field of videography.

[0003] In the prior art, the filter switching device, such as the Chinese patent application number 201420153234.5, a filter day and night switching device, and the Chinese patent application number 201220363164.7, a filter day and night switching device; when in use, the entire device is connected to the outside through wires and plugs; however, the electrical connection between the wires and the external structure is not stable enough; the wires that are easy to fall off are longer and more easily damaged; at the same time, since the wires extend through the shell, the airtightness of the device is relatively poor; therefore, in order to address this problem, it is necessary to improve the filter switching device with an integrated closed dustproof structure. Utility Model Content

[0004] The purpose of the utility model is to provide an integrated closed dustproof structure filter switching device to solve the problems raised in the above background technology.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: an integrated closed dust-proof structure filter switching device, including a base, a mounting groove is provided on one side of the base, a wire rack assembly is provided inside the mounting groove, a coil is wound on the outer surface of the wire rack assembly, a U iron is movably engaged inside the wire rack assembly, a magnet rocker arm assembly is movably provided on one side of the wire rack assembly inside the mounting groove through a rotating shaft, and the U iron is sleeved on the outer side of the magnet rocker arm assembly; a movable sheet is provided on one side of the mounting groove inside the base, and the movable sheet is movably provided inside the base so that the movable sheet can move left and right inside the base; an IR+AR filter assembly is fixedly provided on the outer surface of the movable sheet; a cover plate is fixedly provided on the upper end of the base; a PIN foot is fixedly provided inside the wire rack assembly; the PIN foot and the wire rack assembly can be produced by in-mold injection molding technology; so that the PIN foot is firmly embedded in the wire rack assembly firmly and reliably.

[0006] Preferably, a locking screw is fixedly provided between the cover plate and the base; fixing the cover plate by the locking screw provides better assembly holding force; and the fixing is convenient.

[0007] Preferably, a protective glass is fixedly provided in the middle of the upper end of the cover plate, and the protective glass can transmit light while protecting dust spots on the ICR and lens from falling onto the sensor and causing imaging.

[0008] Preferably, a plurality of buckles are evenly and fixedly arranged on both sides of the installation slot, and the buckles can be used to buckle and fix the wire rack assembly, so that the wire rack assembly is firmly fixed inside the installation slot.

[0009] Preferably, a connecting groove is provided on the outer surface of the movable sheet, and a swing arm hook is fixedly provided on one end of the magnetic rocker arm assembly close to the connecting groove, and the swing arm hook is movably engaged inside the connecting groove; through the swinging and rotating of the magnetic rocker arm assembly; the swing arm hook and the connecting groove can drive the movable sheet and the IR+AR filter assembly on the surface of the movable sheet to move left and right; thereby, the filter group can be switched.

[0010] Preferably, threaded holes are provided at the inner corners of the base, and the cover plate can be fixed by cooperating with locking screws through the threaded holes.

[0011] Compared with the prior art, the beneficial effects of the utility model are:

[0012] 1. The utility model utilizes PIN pins for electrical connection; the PIN pins and the wire rack assembly can be produced by using in-mold injection molding technology; the PIN pins are firmly embedded in the wire rack assembly, firmly and reliably; the PIN pins are directly welded to the target position by welding during subsequent electrical connection; and the fixing is stable.

[0013] 2. The utility model adopts a wire-free design, which can make the integrated design of the device more sealed; it has good light and dustproof effects, and the installation and fixing process of the integrated device is convenient. The cover is fixed by locking screws, which makes the assembly retention better; and the fixation is simple, which is convenient for promotion and use. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 The overall structure of the utility model is a schematic diagram of the integrated closed dust-proof structure filter switching device Figure 1 ;

[0015] Figure 2 This is an exploded view of the integrated closed dust-proof structure filter switching device of the utility model;

[0016] Figure 3 This is the assembly diagram of the utility model of the integrated closed dustproof structure filter switching device Figure 1 ;

[0017] Figure 4 This is the assembly diagram of the utility model of the integrated closed dustproof structure filter switching device Figure 2 ;

[0018] Figure 5 This is the assembly diagram of the utility model of the integrated closed dustproof structure filter switching device Figure 3 ;

[0019] Figure 6 This is a utility model integrated closed dustproof structure filter switching device Figure 5 Magnified view at A in the middle;

[0020] Figure 7 This is the overall structural view of the wire frame assembly of the integrated closed dustproof structure filter switching device of the utility model;

[0021] Figure 8 It is a cross-sectional view of the wire frame assembly of the filter switching device with an integrated closed dustproof structure of the utility model;

[0022] Fig. 9 The overall structure of the utility model is a schematic diagram of the integrated closed dust-proof structure filter switching device Figure 2 .

[0023] In the figure: 1. Base; 2. Mounting slot; 3. Wire rack assembly; 4. Coil; 5. U iron; 6. Magnetic rocker arm assembly; 7. Moving piece; 8. IR+AR filter assembly; 9. Cover; 10. PIN foot; 11. Locking screw; 12. Protective glass; 13. Buckle; 14. Connection slot; 15. Rocker arm hook; 16. Threaded hole. DETAILED DESCRIPTION

[0024] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0025] See also Figure 1-9The utility model provides a technical solution: an integrated closed dust-proof structure filter switching device, including a base 1, a mounting groove 2 is provided on one side of the base 1, a wire rack assembly 3 is provided inside the mounting groove 2, a coil 4 is wound on the outer surface of the wire rack assembly 3, a U iron 5 is movably engaged inside the wire rack assembly 3, a magnet rocker arm assembly 6 is movably provided on one side of the wire rack assembly 3 inside the mounting groove 2 through a rotating shaft, and the U iron 5 is sleeved on the outer side of the magnet rocker arm assembly 6; a moving piece 7 is provided on one side of the mounting groove 2 inside the base 1, and the moving piece 7 is movably provided inside the base 1 so that the moving piece 7 can move left and right inside the base 1; an IR+AR filter assembly is fixedly provided on the outer surface of the moving piece 7; a cover plate 9 is fixedly provided on the upper end of the base 1; a PIN foot 10 is fixedly provided inside the wire rack assembly 3; the PIN foot 10 and the wire rack assembly 3 can be produced by in-mold injection molding technology; so that the PIN foot 10 is firmly embedded in the wire rack assembly 3 firmly and reliably.

[0026] A locking screw 11 is fixedly arranged between the cover plate 9 and the base 1; fixing the cover plate 9 by the locking screw 11 makes the assembly retention force better and the fixing is convenient;

[0027] A protective glass 12 is fixedly disposed at the middle of the upper end of the cover plate 9, and the protective glass 12 can transmit light while protecting dust spots on the ICR and lens from falling onto the sensor and causing imaging;

[0028] A plurality of buckles 13 are evenly and fixedly arranged on both sides of the installation slot 2, and the buckles 13 can be used to buckle and fix the wire rack assembly 3, so that the wire rack assembly 3 is firmly fixed in the installation slot 2;

[0029] A connecting groove 14 is provided on the outer surface of the movable sheet 7, and a swing arm hook 15 is fixedly provided at one end of the magnetic rocker arm assembly 6 close to the connecting groove 14, and the swing arm hook 15 is movably engaged and arranged inside the connecting groove 14; through the swinging and rotating of the magnetic rocker arm assembly 6; the swing arm hook 15 and the connecting groove 14 can drive the movable sheet 7 and the IR+AR filter assembly on the surface of the movable sheet 7 to move left and right; thereby, the filter group can be switched; at the same time, the swing arm hook 15 can prevent the movable sheet 7 and the magnetic rocker arm assembly 6 from falling off;

[0030] The base 1 is provided with threaded holes 16 at the inner corners, and the threaded holes 16 cooperate with the locking screws 11 to fix the cover plate 9 .

[0031] Working principle: Compared with the traditional device that uses wires for electrical connection, this device uses PIN pins 10 for electrical connection. The PIN pins 10 and the wire rack assembly 3 can be produced using in-mold injection molding technology, so that the PIN pins 10 are firmly embedded in the wire rack assembly 3, and the installation is firm and reliable. The PIN pins 10 are directly welded to the target position during the subsequent electrical connection. The direct welding contact effect is better, and there is no wire design, so that the wire rack assembly 3 and the base 1 can fit tightly, and the device can be designed as an integrated device, so that the sealing is better and the light and dustproof effects are better. At the same time, the integrated installation and fixing process of the device is convenient, and the cover plate 9 is fixed by the locking screws 11, so that the assembly retention force is better; and the fixing is simple, which is convenient for promotion and use.

[0032] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.

[0033] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. An integrated closed dust-proof structure filter switching device, comprising a base (1), characterized in that: A mounting groove (2) is provided on one side of the base (1), a wire rack assembly (3) is provided inside the mounting groove (2), a coil (4) is wound around the outer surface of the wire rack assembly (3), a U iron (5) is movably arranged inside the wire rack assembly (3), a magnet rocker arm assembly (6) is movably arranged on one side of the wire rack assembly (3) inside the mounting groove (2), and the U iron (5) is sleeved on the outer side of the magnet rocker arm assembly (6); a movable sheet (7) is provided inside the base (1) on one side of the mounting groove (2), and the movable sheet (7) is movably arranged inside the base (1) so that the movable sheet (7) can move left and right inside the base (1); an IR+AR filter assembly is fixedly arranged on the outer surface of the movable sheet (7); a cover plate (9) is fixedly arranged on the upper end of the base (1); and a PIN pin (10) is fixedly arranged inside the wire rack assembly (3).

2. The integrated closed dust-proof structure filter switching device according to claim 1, characterized in that: A locking screw (11) is fixedly arranged between the cover plate (9) and the base (1).

3. The integrated closed dust-proof structure filter switching device according to claim 1, characterized in that: A protective glass (12) is fixedly arranged at the middle of the upper end of the cover plate (9).

4. The integrated closed dust-proof structure filter switching device according to claim 1, characterized in that: A plurality of buckles (13) are evenly and fixedly arranged on both sides of the interior of the installation groove (2).

5. The integrated closed dust-proof structure filter switching device according to claim 1, characterized in that: A connecting groove (14) is provided on the outer surface of the movable sheet (7); a swing arm hook (15) is fixedly provided at one end of the magnet rocker arm assembly (6) close to the connecting groove (14); and the swing arm hook (15) is movably engaged and arranged inside the connecting groove (14).

6. The integrated closed dust-proof structure filter switching device according to claim 1, characterized in that: The base (1) is provided with threaded holes (16) at the inner corners.

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