Optical filter switcher

Abstract

The utility model relates to an optical filter switcher, which comprises a fixing frame, a swing device and a shell, the shell is provided with an upper light hole, the swing device is arranged in the shell, two ends of the swing device are respectively a swing support and a frame, one end of the swing support is respectively provided with a clamping groove along two sides of the middle, and the other end of the swing support is provided with a clamping groove. A clamping groove is formed in the frame, an infrared optical filter and a full-spectrum optical filter are fixed to the clamping groove, a square groove is formed in the other protruding end of the frame, a magnet is fixed to the square groove, a convex circular shaft is arranged outside the frame, a through hole is formed in the fixing frame, and the convex circular shaft of the frame is clamped into the through hole of the fixing frame. The frame convex circular shaft can rotate in the through hole of the fixing frame, a coil is wound outside the fixing frame, and when the current direction of the coil changes, the magnet fixed in the frame acts to form the swing of the swing device, so that quick and stable switching of optical filters is achieved, and the optical filter switching device has the advantages of being simple in structure, convenient to install and high in switching efficiency.

Description

TECHNICAL FIELD

[0001] The utility model relates to a filter device, especially a filter switch. BACKGROUND

[0002] In the camera device, the use of the filter is very important, they can adjust the specific wavelength of light to pass through, so as to realize the specific processing of image or optical signal. When the external light is strong in the daytime, switch the infrared filter to align the light transmission hole, when the external light is weak at night, switch the full spectrum filter to align the light transmission hole.

[0003] The traditional filter switching mode is that the filter and the magnet are fixed on different plastic parts respectively, and the switching of the filter adopts an indirect switching mode. Although these mechanisms can realize the switching of the filter, they have problems such as complex switching structure, inconvenient installation and insufficient stability. SUMMARY

[0004] A filter switch, comprising a shell, a fixing frame and a swing device, the shell is provided with a light transmission hole, the swing device is arranged in the shell, two ends of the swing device are respectively a swing support and a frame, one end of the swing support is provided with a clamping groove along the middle of two sides, the clamping groove is fixed with an infrared filter and a full spectrum filter, the frame is provided with a square groove in the other end, the square groove is provided with a magnet, the outer part of the frame is provided with a convex circular shaft, the fixing frame is provided with a through hole, and the convex circular shaft is clamped into the through hole.

[0005] Preferably, a coil is wound outside the fixing frame

[0006] Preferably, the shell is provided with a positioning groove, and the fixing frame is clamped in the positioning groove.

[0007] Preferably, the part of the shell located at the light transmission hole is provided with a connecting piece, and the connecting piece is used for connecting a camera lens.

[0008] Preferably, the connecting piece is a cylinder, and the connecting piece is provided with a screw thread.

[0009] Preferably, the surface of the shell is further provided with a clamping block, and the clamping block is located in the middle of the shell.

[0010] Preferably, the shell is further provided with a wire hole. BRIEF DESCRIPTION OF DRAWINGS

[0011] 1, shell; 11, upper light transmission hole; 12, positioning groove; 2, swing device; 21, swing support; 211, clamping groove; 212, convex circular shaft; 213, square groove; 22, frame; 23, magnet; 24, coil; 3, infrared filter; 4, full spectrum filter; 5, connecting piece; 6, clamping block; 7, fixing frame; 71, through hole.

[0012] Figure 1 Figure 1 is a structural schematic diagram of the filter switch of the embodiment of the present application.

[0013] Figure 2 Figure 2 is a structural schematic diagram of the shell of the embodiment of the present application.

[0014] Figure 3 Figure 3 is an exploded view of the swing device of the embodiment of the present application.

[0015] Figure 4 Figure 4 is a structural schematic diagram of the full-spectrum filter aligning the light transmission hole of the embodiment of the present application.

[0016] Figure 5 Figure 5 is a structural schematic diagram of the infrared filter aligning the light transmission hole of the embodiment of the present application.

[0017] Figure 6 Figure 6 is a structural schematic diagram of the fixing frame of the embodiment of the present application.

[0018] Figure 7 Figure 7 is a structural schematic diagram of the fixing frame clamped in the frame of the embodiment of the present application. DETAILED DESCRIPTION

[0019] In order to make the purpose, technical scheme and advantages of the present application more clear, the filter switch of the present application is further described in detail below in combination with the drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present application, and are not used to limit the present application.

[0020] In the description of the present application, unless otherwise specified, the meaning of "a plurality of" is two or more; the orientation or positional relationship indicated by the terms "center", "longitudinal", "transverse", "upper", "lower", "left", "right", "inner", "outer", "front end", "rear end", "head", "tail", "vertical", "horizontal", "top", "bottom", "inner", "outer" and the like is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the present application and simplifying the description, and is not intended to indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the present application. In addition, the terms "first", "second", "third" and the like are only for description purposes, and cannot be understood as indicating or implying relative importance.

[0021] In the description of the utility model, it is necessary to explain, unless another explicit provision and limitation, term '' install '' '' link '' '' connection '' should do broad sense understanding, for example, can be fixed connection, also can be detachable connection, or integrally connected, can be mechanical connection, also can be electrical connection, can be direct connection, also can through intermediate medium indirectly connect, can be two element inside intercommunication. For ordinary skilled person in the art, can understand the concrete meaning of above-mentioned term in the utility through specific situation.

[0022] Please see Figures 1 to 6 The utility model discloses a filter switcher, including shell 1 and swing device 2, the shell 1 is provided with light transmission hole 11, swing device 2 sets up in the shell 1, swing device 2 two ends are swing support 21, frame 22, swing support 21 one end along the middle two sides respectively is equipped with the clamping groove 211, the clamping groove 211 is fixed with infrared filter 3 and full spectrum filter 4, the other convex end of frame 22 inside is equipped with square groove 213, square groove 213 is equipped with magnet 23, frame 22 outside is provided with convex round shaft 212, fixed frame 7 is provided with through hole 71, convex round shaft 212 is inserted into through hole 71, and convex round shaft 212 can rotate in through hole 71, and fixed frame 7 is wound with coil 24.

[0023] In the above embodiment, the shell 1 is provided with a light transmission hole 11 for light transmission function. The swing device 2 is arranged in the shell 1, which is responsible for realizing the switching function of the filter.

[0024] The swing device 2 is the main structure of the filter installation and switching, and the two ends are swing support 21 and frame 22. One end of the swing support 21 is provided with clamping grooves 211 along the middle two sides, and infrared filter 3 and full spectrum filter 4 are fixed in the clamping grooves 211. The two kinds of filters can be switched as needed. The frame 22 is provided with a square groove 213 in the other convex end, and the square groove 213 is fixed with a magnet 23. The frame 22 is provided with a convex round shaft 212 outside, and the fixed frame 7 is provided with a through hole 71. The convex round shaft 212 is inserted into the through hole 71, and the convex round shaft 212 can rotate in the through hole 71. This direct connection mode not only has high structural strength, but also ensures the stability and reliability of the filter switching, and makes the installation process more simple and fast.

[0025] And the fixed frame 7 is wrapped with coil 24. When the coil 24 is powered, a magnetic field is generated to form an electromagnetic force, which makes the magnet 23 rotate. Since the magnet 23 is arranged in the square groove 213 of the frame 22, and the convex circular shaft 212 is arranged in the through hole 71 of the fixed frame 7, the magnet 23 drives the swing bracket 21 directly connected thereto to swing, aligns the infrared filter 3 and the full-spectrum filter 4 with the light transmission hole 11, and realizes the switching of the filter. Since the infrared filter 3 and the full-spectrum filter 4 are fixed on the swing device 2, the intermediate link is reduced, and the switching efficiency and accuracy are improved.

[0026] In summary, the filter switch of the utility model embodiment, through the swing device 2, realizes the quick and stable switching of the filter, and has the advantages of simple structure, convenient installation, high switching efficiency and the like.

[0027] Please refer to Figures 1 to 6 In another embodiment, the shell 1 is provided with a positioning groove 12, and the fixed frame 7 is arranged in the positioning groove 12.

[0028] In the above embodiment, the fixed frame 7 and the positioning groove 12 are matched, when the fixed frame 7 is arranged in the shell 1, the edge of the fixed frame 7 can be closely embedded in the positioning groove 12 to form a stable connection, which not only enhances the connection strength between the fixed frame 7 and the shell 1, but also avoids the shaking or displacement of the fixed frame 7 during the switching of the filter, thereby ensuring the accuracy and stability of the switching of the filter. Through the cooperation of the positioning groove 12 and the fixed frame 7, the compactness and reliability of the overall structure of the filter switch are realized.

[0029] Please refer to Figures 1 to 6 In another embodiment, the shell 1 is provided with a connecting piece 5 at the position of the light transmission hole 11, and the connecting piece 5 is used for connecting the camera component.

[0030] In the above embodiment, the shell 1 is provided with a connecting piece 5 at the position of the light transmission hole 11. The main function of the connecting piece 5 is to connect the camera lens, so that the camera lens can be accurately fixed on the shell 1 and aligned with the light transmission hole 11.

[0031] Please refer to Figures 1 to 6 In another embodiment, the connecting piece 5 is a cylinder, and the connecting piece 5 is provided with a thread.

[0032] In the above embodiment, the connecting piece 5 at the light transmission hole 11 part of the filter switch housing 1 is in a cylindrical shape. The cylindrical connecting piece 5 is internally provided with a thread, which allows the connecting piece 5 to be fixed to the camera lens through a threaded connection. The threaded connection has the advantages of providing stable connection force and good sealing, ensuring that the camera lens is tightly fixed to the housing 1 and preventing external dust or moisture from entering the housing 1. At the same time, the threaded connection also facilitates the installation and removal of the camera lens, and users can easily realize connection or separation by rotating the camera lens, improving the convenience and flexibility of the filter switch.

[0033] Please refer to Figures 1 to 6 In another embodiment, the housing 1 is also provided with a wire hole.

[0034] In the above embodiment, the wire hole provides a passage for the wires of the coil 24 of the connecting fixture 7, allowing the wires to smoothly pass out of the housing 1 and connect to the external power supply, ensuring that the coil 24 can be normally powered when the filter switch is working.

[0035] Please refer to Figures 1 to 6 In another embodiment, a fixture 7 is also included, which is provided with a through hole 71, and the frame 22 convex shaft 212 is inserted into the through hole 71.

[0036] In the above embodiment, the fixture 7 is clamped to the frame 22, and the two sides of the fixture 7 protrude outward, with the two support feet of the fixture 7 being lower than the protruding parts. When the fixture 7 is clamped to the frame 22, the support feet are wound with coils, and the wound coils are flush with the two protruding parts.

[0037] The above is only a preferred embodiment of the present application, and does not limit the present application in any form. Although the present application has been disclosed as above, it is not intended to limit the present application. Any person skilled in the art can make some changes or modifications to the above disclosed technical content without departing from the scope of the present application, and any simple modification, equivalent change and modification of the above embodiment based on the technical essence of the present application are still within the scope of the present application.

Claims

1. An optical filter switch, characterized by, The utility model provides a swing device, fixed frame and casing, the casing is provided with light transmission hole, the swing device sets up in the casing, swing device both ends are swing support and frame respectively, swing support one end along the both sides of the middle is equipped with the clamping slot, the clamping slot is fixed with infrared filter and full spectrum filter, the frame is equipped with square groove in the other end, the square groove is equipped with magnet, the frame outside is equipped with convex round axle, the fixed frame is provided with through -hole, the frame convex round axle is clamped into the through -hole of fixed frame.

2. The filter switcher of claim 1, wherein: The filter and the magnet are fixed on the same swing device.

3. The filter switcher of claim 1, wherein: A coil is wound on the outside of the fixed frame.

4. The filter switcher of claim 1, wherein: The casing is provided with a positioning groove, and the fixed frame is clamped in the positioning groove.

5. The filter switcher of claim 1, wherein: The casing is provided with a connecting piece at the position of the light transmission hole, and the connecting piece is used for connecting a camera lens.

6. The filter switcher of claim 5, wherein: The connecting piece is a cylinder, and the connecting piece is provided with a screw thread.

7. The filter switcher of claim 1, wherein: The surface of the casing is further provided with a clamping block, and the clamping block is located in the middle of the casing.

8. The filter switcher of claim 1, wherein: The casing is further provided with a wire hole.

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