Wireless optical filter switcher with stable connection

Abstract

The utility model provides a wireless optical filter switcher with stable connection, which belongs to the technical field of optical filter switchers and is used for solving the technical problem of low production efficiency of the existing wireless optical filter switcher. Comprising a lens seat, a cover plate, an electromagnetic drive switching mechanism and a lens, the electromagnetic drive switching mechanism is installed in the cover plate, the cover plate and the lens seat are connected in an inserted mode and fixed in a clamping mode, lugs used for being connected with a main board are arranged on the two sides of the lens seat, the lens seat is fixedly connected with the main board through locking screws, and electric conductors are arranged in the lugs. PINs used for conducting electricity are arranged on the two sides of the electromagnetic drive switching mechanism, and the side faces of the PINs abut against the electric conductors to form electric connection. During installation, the electric conductor is locked on the mainboard through the locking screw to realize electrical connection, the optical filter switcher is fixed at the same time, wireless connection is realized, installation is convenient, connection is stable, assembly is simple and rapid, and production efficiency is greatly improved.

Description

Technical Field

[0001] The utility model belongs to the technical field of filter switches, and particularly relates to a wireless filter switch with stable connection. Background Technique

[0002] The filter switch is an important component in imaging equipment. In order to have clear imaging both during the day and at night, a dual-filter switch is required to filter different lights during the day and at night. The IR-CUT dual filter means that a set of filters is built into the camera lens group. When the infrared sensor outside the lens detects the change in the intensity of light, the built-in IR-CUT automatic switching filter can automatically switch according to the intensity of external light, so that the image reaches the best effect.

[0003] The filter switch has been widely used in day-night surveillance cameras at present. It is usually used in cooperation with a lens mount and mainly consists of a base, an upper cover and an internal switching mechanism. The switching mechanism can be driven by an electromagnet or a motor.

[0004] The existing filter switches usually use leads to connect to the circuit board. The wired connection structure has the risk of wire breakage and poor contact. There are also leadless filter switches. For example, a Chinese patent document discloses a leadless dual-filter switch, [Application No.: CN202223273563.7; Publication No.: CN218886374U], which includes a face cover and a bottom shell. The two sides of the face cover are respectively provided with side ears, and copper nuts are arranged inside the side ears. The face cover is provided with a slot on the side without side ears. The side ears communicate with the slot. A placement groove is arranged inside the bottom shell, and a plug board extends out from one side of the placement groove. A wire frame semi-finished product is arranged inside the placement groove. The wire frame semi-finished product includes a pair of PIN pins horizontally arranged on the two outer sides of the plug board. When the plug board is inserted into the slot of the face cover, the PIN pins are inserted on one side of the copper nut; the copper nut is embedded into the face cover by in-mold injection. After the plug board of the bottom shell is pushed into the slot of the face cover, the PIN pins directly extend to one side of the copper nut. Finally, the PIN pins are bent and welded to conduct with the copper nut.

[0005] Although the above-mentioned leadless dual-filter switch can achieve wireless connection, its manufacturing process is complex. The copper nut is embedded into the face cover by in-mold injection, and finally the PIN pins need to be bent and welded to conduct with the copper nut. The process is cumbersome and greatly affects the production efficiency.

[0006] Based on this, a wireless filter switch with stable connection is designed, which can be directly installed on the main board. It not only enables the main board and the lens mount to be stably connected, but also ensures the electrical connection between the main board and the lens mount, eliminating the need for connectors and connecting wires, making disassembly and assembly more convenient; the structure is simple, the manufacturing process is simplified, and the production efficiency can be improved. Summary of the Utility Model

[0007] The object of the present utility model is to address the above problems existing in the prior art and propose a wireless filter switch with stable connection. The technical problem to be solved by this device is: how to design a wireless filter switch with stable connection and convenient production.

[0008] The object of the present utility model can be achieved by the following technical solutions:

[0009] A wireless filter switch with stable connection, comprising a lens holder, a cover plate, an electromagnetic drive switching mechanism and a lens. The electromagnetic drive switching mechanism is installed in the cover plate. The cover plate and the lens holder are detachably connected by plugging. A cover plate installation groove for installing the cover plate is provided in the lens holder. When installing the cover plate, the cover plate is inserted into the cover plate installation groove and fixed by a clamping form. Ear seats for connecting to the main board are provided on both sides of the lens holder. The lens holder is fixedly connected to the main board by locking screws. Conductive bodies are provided in the ear seats. PIN pins for conducting electricity are provided on both sides of the electromagnetic drive switching mechanism. The side of the PIN pin abuts against the conductive body to form an electrical connection.

[0010] This wireless filter switch is electrically connected through the PIN pin and the conductive body. When installing, directly install the wireless filter switch on the main board and lock it with bolts. The conductive body is installed in the ear seat, and the lower end of the conductive body is electrically connected to the main board, thus realizing wireless connection, with stable connection and convenient installation and disassembly.

[0011] The conductive body is in a T shape. An installation hole for installing the conductive body is provided on the ear seat, and the conductive body is installed in the installation hole.

[0012] With the above structure, the conductive body is in a T-shaped structure, which can prevent it from falling out of the installation hole.

[0013] Cut edges are provided on both sides of the conductive body. A limiting groove matching with the cut edges is provided at the upper part of the installation hole. Internal threads matching with the locking screws are provided inside the conductive body.

[0014] With the above structure, during assembly, the conductive body is inserted into the installation hole for installation. The cut edges and the limiting groove are provided to cooperate, which can prevent the locking screw from sliding when tightened.

[0015] The lower end of the conductive body extends out of the end of the ear seat, and a conductive sheet matching with the lower end of the conductive body is provided on the main board.

[0016] With the above structure, after the wireless filter switch is installed, tighten the locking screw to fix the filter switch. At the same time, the lower end of the conductive body contacts the conductive sheet on the main board to realize wire-free electrical connection.

[0017] The installation hole is communicated with the cover plate installation groove. The PIN pin is inserted into the cover plate installation groove along with the cover plate, and the PIN pin passes through from one side of the installation hole.

[0018] With the above structure, during assembly, the electromagnetic drive switching mechanism is first installed in the cover plate, and the PIN needle is inserted into the cover plate mounting groove along with the cover plate. At this time, the PIN needle passes through one side of the mounting hole. After the conductor is inserted, it can be ensured that the conductor and the PIN needle are in contact with each other. There is a gap between the PIN needle and the side of the cover plate, and the PIN needle has a certain elasticity. After the conductor is installed, it can maintain close contact with the PIN needle, and no welding and fixing is required. The installation is simple and convenient, which can greatly improve the production efficiency.

[0019] The lower end of the conductor is provided with a chamfer to facilitate the insertion of the conductor.

[0020] The electromagnetic drive switching mechanism includes a tray, a filter, a pendulum needle, a coil, a connecting frame, a magnetic block and a magnet. PIN pin connecting holes are arranged on both sides of the connecting frame, and the PIN pin is inserted into the PIN pin connecting hole. The coil is located above the connecting frame, and the PIN pin is electrically connected to the coil. The magnetic block is U-shaped, and the coil is sleeved on a side arm of the magnetic block. A core shaft is arranged inside the cover plate, and the magnet and the pendulum needle are sleeved on the core shaft. The magnet is located on the upper part of the pendulum needle and the magnet is located at the opening of the magnetic block. The pendulum needle is connected to the tray, and the tray is slidably arranged in the cover plate, and the filter is installed on the tray.

[0021] With the above structure, the electromagnetic drive switching mechanism is powered by the PIN pin. The magnetic block, coil and magnet cooperate with each other. After power is turned on, an electromagnetic effect is generated to drive the pendulum needle to rotate, and the pendulum needle drives the tray to switch displacement, thereby realizing the switching of the filter.

[0022] Compared with the existing technology, the wireless filter switch with stable connection has the following advantages:

[0023] Ear seats are provided on both sides of the lens seat, and a conductor is installed in the ear seat to connect with the main board and fixed by locking screws. The conductor is designed as a T-shaped structure, and cut edges are provided on both sides to prevent it from falling off from the mounting hole. The cut edges cooperate with the limit grooves on the mounting hole to prevent the locking screws from sliding when tightening. An internal thread is provided inside the conductor. After the conductor is inserted into the ear seat, the conductor and the PIN needle collide to achieve electrical connection. When the wireless filter switcher is installed, the conductor is locked on the main board by the locking screw to achieve electrical connection and fix the filter switcher to achieve wireless connection. The operation is simple and convenient, and the connection is stable. Compared with the prior art, in this structure, the conductor does not need to be embedded in the lens seat by in-mold injection molding, nor does it need to bend the PIN needle and weld it between the copper nut. The wireless filter switcher with stable connection has a simple structure, is easy to assemble, simplifies the manufacturing process, and can greatly improve production efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] Figure 1It is a schematic structural diagram of the present utility model;

[0025] Figure 2 It is a schematic diagram of the split structure of the present utility model;

[0026] Figure 3 It is a schematic diagram of the internal structure of the cover plate in the present utility model;

[0027] Figure 4 It is a schematic diagram of the structure of the electromagnetic drive switching mechanism in the present utility model;

[0028] Figure 5 It is a schematic diagram of the structure of the conductor in the present utility model;

[0029] Figure 6 It is a schematic diagram of the upper shaft side structure after the installation of the present utility model;

[0030] Figure 7 It is a schematic diagram of the lower shaft side structure after the installation of the present utility model;

[0031] In the figure: 1, lens holder; 101, ear seat; 102, mounting hole; 103, limiting groove; 104, cover plate mounting groove; 2, cover plate; 3, lens; 4, conductor; 401, trimming; 402, chamfer; 5, PIN needle; 6, tray; 7, filter; 8, pendulum needle; 9, coil; 10, connecting frame; 11, magnetic conduction block; 12, magnet; 13, main board; 14, locking screw. Detailed implementation manners

[0032] The technical solutions of this patent will be further described in detail below in conjunction with the specific implementation manners.

[0033] The embodiments of this patent are described in detail below. The examples of the embodiments are shown in the drawings, in which the same or similar reference numerals denote the same or similar elements or elements having the same or similar functions throughout. The embodiments described below by referring to the drawings are exemplary and are only used to explain this patent and should not be construed as a limitation of this patent.

[0034] In the description of this patent, it should be understood that the orientation or positional relationship indicated by the terms "center", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing this patent and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this patent.

[0035] In the description of this patent, it should be noted that unless otherwise clearly specified and defined, the terms "installation", "connection", "linkage", and "setting" should be understood in a broad sense. For example, it can be fixedly connected and set, or detachably connected and set, or integrally connected and set. For those of ordinary skill in the art, the specific meanings of the above terms in this patent can be understood according to specific circumstances.

[0036] Please refer to Figure 1-7 , this embodiment provides a wireless filter switch with stable connection, including a lens holder 1, a cover plate 2, an electromagnetic drive switching mechanism, and a lens 3. The electromagnetic drive switching mechanism is installed in the cover plate 2. The cover plate 2 is detachably connected to the lens holder 1 by means of plugging. A cover plate installation groove 104 for installing the cover plate 2 is provided in the lens holder 1. When the cover plate 2 is installed, the cover plate 2 is inserted into the cover plate installation groove 104 and fixed by a clamping form. Ear seats 101 for connecting to the main board 13 are provided on both sides of the lens holder 1. The lens holder 1 is fixedly connected to the main board 13 by a locking screw 14. Conductors 4 are provided in the ear seats 101. PIN pins 5 for conducting electricity are provided on both sides of the electromagnetic drive switching mechanism. The side surface of the PIN pin 5 abuts against the conductor 4 to form an electrical connection. This wireless filter switch is electrically connected through the PIN pin 5 and the conductor 4. During installation, the wireless filter switch is directly installed on the main board 13 and locked by bolts. The conductor 4 is installed in the ear seat 101, and the lower end of the conductor 4 is electrically connected to the main board 13, thus realizing wireless connection, with stable connection and convenient installation and disassembly.

[0037] The conductor 4 is in a T shape. An installation hole 102 for installing the conductor 4 is formed in the ear seat 101. The conductor 4 is installed in the installation hole 102. The conductor 4 has a T-shaped structure, which can prevent it from falling out of the installation hole 102.

[0038] Cut edges 401 are provided on both sides of the conductor 4. A limiting groove 103 matching the cut edges 401 is provided in the upper part of the installation hole 102. Internal threads matching the locking screw 14 are provided inside the conductor 4. During assembly, the conductor 4 is inserted into the installation hole 102 for installation. The cooperation of the cut edges 401 and the limiting groove 103 can prevent the locking screw 14 from sliding when tightened.

[0039] The lower end of the conductor 4 extends out of the end of the ear seat 101. A conductive sheet matching the lower end of the conductor 4 is provided on the main board 13. The conductor 4 is preferably made of pure copper material, which has good electrical conductivity. After the wireless filter switch is installed, the locking screw 14 is tightened to fix the filter switch. At the same time, the lower end of the conductor 4 contacts the conductive sheet on the main board 13 to realize wire-free electrical connection.

[0040] The mounting hole 102 communicates with the cover plate mounting groove 104. The PIN pin 5 is inserted into the cover plate mounting groove 104 along with the cover plate 2, and the PIN pin 5 passes through from one side of the mounting hole 102. During assembly, first install the electromagnetic drive switching mechanism inside the cover plate 2. The PIN pin 5 is inserted into the cover plate mounting groove 104 along with the cover plate 2. At this time, the PIN pin 5 passes through from one side of the mounting hole 102. After inserting the conductor 4, it can ensure that the conductor 4 abuts against the PIN pin 5. There is a gap between the PIN pin 5 and the side surface of the cover plate 2, and the PIN pin 5 has a certain elasticity. After the conductor 4 is installed, it can maintain close contact with the PIN pin 5 without the need for welding fixation. The installation is simple and convenient, which can greatly improve production efficiency.

[0041] A chamfer 402 is provided at the lower end of the conductor 4 to facilitate the insertion of the conductor 4.

[0042] The electromagnetic drive switching mechanism includes a tray 6, a filter 7, a pendulum needle 8, a coil 9, a connecting frame 10, a magnetic conduction block 11, and a magnet 12. PIN pin connection holes are provided on both sides of the connecting frame 10. The PIN pin 5 is inserted into the PIN pin connection holes. The coil 9 is located above the connecting frame 10. The PIN pin 5 is electrically connected to the coil 9. The magnetic conduction block 11 is U-shaped, and the coil 9 is sleeved on one side arm of the magnetic conduction block 11. A core shaft is provided inside the cover plate 2. The magnet 12 and the pendulum needle 8 are sleeved on the core shaft. The magnet 12 is located above the pendulum needle 8 and the magnet 12 is located at the opening of the magnetic conduction block 11. The pendulum needle 8 is connected to the tray 6. The tray 6 is slidably arranged in the cover plate 2. The filter 7 is installed on the tray 6. Power is supplied to the electromagnetic drive switching mechanism through the PIN pin 5. The magnetic conduction block 11, the coil 9, and the magnet 12 cooperate with each other. After being energized, an electromagnetic effect is generated to drive the pendulum needle 8 to rotate. The pendulum needle 8 drives the tray 6 to perform displacement switching, thereby realizing the switching of the filter. The method of driving the filter to switch through the electromagnetic effect in the filter switch is a prior art, and the specific principle will not be elaborated herein.

[0043] The working principle of the present utility model:

[0044] A wireless filter switcher with stable connection of the present utility model. Ear seats 101 are provided on both sides of the lens holder 1. Conductors 4 are installed in the ear seats 101 and connected to the main board 13, and fixed by locking screws 14. The conductor 4 is of a T-shaped structure, which can prevent it from falling off from the mounting hole 102. Cutting edges 401 are provided on both sides of the conductor 4, and a limiting groove 103 matching the cutting edges is provided at the upper part of the mounting hole 102. Internal threads matching the locking screws 14 are provided inside the conductor 4. The cooperation between the cutting edges 401 and the limiting groove 103 can prevent the locking screws 14 from sliding when tightened. After the conductor 4 is inserted into the ear seat 101, the conductor 4 abuts against the PIN pins 5 to achieve electrical connection. Compared with the prior art, in this structure, the conductor 4 does not need to be embedded into the lens holder by in-mold injection, nor does it need to bend the PIN pins 5 and weld them to conduct with the copper nuts. This wireless filter switcher with stable connection has a simple structure, is convenient to assemble, simplifies the manufacturing process, and can greatly improve the production efficiency.

[0045] When assembling this wireless filter switcher with stable connection, the electromagnetic drive switching mechanism is installed into the cover plate 2. The PIN pins 5 are inserted into the PIN pin connection holes provided on both sides of the connection frame 10, and then this assembly is inserted into the cover plate mounting groove 104. At this time, the PIN pins 5 pass through from one side of the mounting hole 102. After the conductor 4 is inserted into the mounting hole 102, the side surface of the conductor 4 tightly abuts against the PIN pins 5 to achieve electrical connection. Then the lens 3 is installed on the lens holder 1, and the assembly can be completed.

[0046] When installing this wireless filter switcher with stable connection, the lower end of the conductor 4 is aligned with the conductive sheet on the main board 13, and the locking screw 14 is screwed into the back of the main board 13 and tightened. While the locking screw 14 locks the conductor 4 on the main board 13 to achieve electrical connection, it also fixes the filter switcher.

[0047] The above has made a detailed description of the preferred embodiments of this patent. However, this patent is not limited to the above embodiments. Within the scope of knowledge possessed by those of ordinary skill in the art, various changes can also be made without departing from the purpose of this patent.

Claims

1. A wireless filter switch with stable connection, comprising a lens holder (1), a cover plate (2), an electromagnetic drive switching mechanism and a lens (3), characterized in that: The electromagnetic drive switching mechanism is installed in the cover plate (2); the cover plate (2) and the lens holder (1) are detachably connected by plugging; a cover plate mounting groove (104) for mounting the cover plate (2) is provided in the lens holder (1); when the cover plate (2) is installed, the cover plate (2) is inserted into the cover plate mounting groove (104) and fixed by snapping; ears (101) for connecting to the main board (13) are provided on both sides of the lens holder (1); the lens holder (1) is fixedly connected to the main board (13) by locking screws (14); a conductor (4) is provided in the ears (101); PIN pins (5) for conducting electricity are provided on both sides of the electromagnetic drive switching mechanism; the side surfaces of the PIN pins (5) abut against the conductor (4) to form an electrical connection.

2. A wireless filter switch with stable connection according to claim 1, characterized in that: The conductor (4) is T-shaped, and a mounting hole (102) for mounting the conductor (4) is provided on the ear seat (101), and the conductor (4) is mounted in the mounting hole (102).

3. A wireless filter switch with stable connection according to claim 2, characterized in that: Cutting edges (401) are provided on both sides of the conductor (4), a limiting groove (103) matching the cutting edges (401) is provided on the upper part of the mounting hole (102), and an internal thread matching the locking screw (14) is provided inside the conductor (4).

4. A wireless filter switch with stable connection according to claim 1 or 3, characterized in that: The lower end of the conductor (4) extends out of the end of the ear seat (101), and a conductive sheet matching the lower end of the conductor (4) is provided on the main board (13).

5. The wireless filter switch with stable connection according to claim 3, characterized in that: The mounting hole (102) is communicated with the cover plate mounting groove (104); the PIN needle (5) is inserted into the cover plate mounting groove (104) along with the cover plate (2); and the PIN needle (5) passes through one side of the mounting hole (102).

6. The wireless filter switch with stable connection according to claim 1, characterized in that: The lower end of the conductor (4) is provided with a chamfer (402).

7. A wireless filter switch with stable connection according to claim 1 or 5, characterized in that: The electromagnetic drive switching mechanism comprises a tray (6), a filter (7), a swing needle (8), a coil (9), a connecting frame (10), a magnetic conductive block (11) and a magnet (12). PIN needle connecting holes are arranged on both sides of the connecting frame (10), the PIN needle (5) is inserted into the PIN needle connecting hole, the coil (9) is located above the connecting frame (10), the PIN needle (5) is electrically connected to the coil (9), the magnetic conductive block (11) is U-shaped, the coil (9) is sleeved on a side arm of the magnetic conductive block (11), a core shaft is arranged inside the cover plate (2), the magnet (12) and the swing needle (8) are sleeved on the core shaft, the magnet (12) is located on the upper part of the swing needle (8) and the magnet (12) is located at the opening of the magnetic conductive block (11), the swing needle (8) is connected to the tray (6), the tray (6) is slidably arranged in the cover plate (2), and the filter (7) is mounted on the tray (6).

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