Filter lens capable of carrying out spectrum switching

Abstract

The invention discloses a filter lens capable of performing spectrum switching, and relates to the technical field of photoelectric equipment. The filter lens capable of spectrum switching comprises a slide rail, a first permanent magnet, a second permanent magnet, a spectrum switching lens, an electromagnetic coil and a master control circuit, the spectrum switching lens is arranged on the sliding rail, the first permanent magnet is arranged at the first end of the spectrum switching lens, the second permanent magnet is arranged at the other end of the spectrum switching lens, and the master control circuit is connected with the electromagnetic coil; the master control circuit is used for changing an electromagnetic field generated by the electromagnetic coil by changing the direction and magnitude of current output to the electromagnetic coil so as to drive the first permanent magnet and the second permanent magnet to carry the spectrum switching lens to move on the sliding rail under the action of the electromagnetic field, electromagnetic driving with small loss is achieved, and the spectrum switching lens is driven to move on the sliding rail in an optical path. The reflected light and the transmission light can be output on the same optical axis, so that the synchronization effect and the fusion effect of the image are improved, and the cost is greatly reduced.

Description

Technical Field

[0001] This invention relates to the field of optoelectronic equipment technology, and in particular to a filter lens capable of spectral switching. Background Technology

[0002] In optoelectronic systems, photodetectors measure incoming light signals and convert them into electrical signals. During the detection of light radiation signals, because different bands of light have different wavelengths, dual bandpass filter detectors are often used to obtain better color accuracy. However, traditional dual bandpass filter detector technology requires two lenses and corresponding filters. Since the two lenses operate independently, image fusion is not optimal.

[0003] In view of the above-mentioned problems, seeking ways to improve the synchronization and fusion effects of images is a problem that those skilled in the art strive to solve. Summary of the Invention

[0004] The purpose of this invention is to provide a filter lens capable of spectral switching to improve the synchronization and fusion effects of images, while significantly reducing costs.

[0005] To solve the above-mentioned technical problems, the present invention provides a filter lens capable of spectral switching, comprising: a slide rail, a first permanent magnet, a second permanent magnet, a spectral switching lens, an electromagnetic coil, and a main control circuit;

[0006] The spectral switching lens is disposed on the slide rail, and the first permanent magnet is disposed at the first end of the spectral switching lens, the second permanent magnet is disposed at the other end of the spectral switching lens, and the main control circuit is connected to the electromagnetic coil;

[0007] The main control circuit is used to change the direction and magnitude of the current output to the electromagnetic coil, thereby changing the electromagnetic field generated by the electromagnetic coil, so as to drive the first permanent magnet and the second permanent magnet to move the spectral switching lens on the slide rail under the action of the electromagnetic field.

[0008] On the other hand, the overall control circuit includes a power supply circuit, a microprocessor circuit, and an electromagnetic coil drive circuit;

[0009] The power supply terminal of the power supply circuit is connected to the power supply terminal of the microprocessor circuit and the power supply terminal of the electromagnetic coil drive circuit, respectively, for supplying power to the microprocessor circuit and the electromagnetic coil drive circuit.

[0010] The output terminal of the microprocessor circuit is connected to the control terminal of the electromagnetic coil drive circuit. The microprocessor circuit is used to control the direction and magnitude of the current output by the electromagnetic coil drive circuit to the electromagnetic coil.

[0011] The positive output terminal of the electromagnetic coil drive circuit is connected to one end of the electromagnetic coil drive circuit, and the negative output terminal of the electromagnetic coil drive circuit is connected to the second end of the electromagnetic coil.

[0012] On the other hand, the electromagnetic coil includes a first electromagnetic coil and a second electromagnetic coil;

[0013] The first electromagnetic coil and the second electromagnetic coil are respectively located on both sides of the slide rail;

[0014] The first end of the first electromagnetic coil is connected to the first end of the second electromagnetic coil, and the common terminal of the connection is connected to the positive output terminal of the electromagnetic coil driving circuit. The second end of the first electromagnetic coil is connected to the second end of the second electromagnetic coil, and the common terminal of the connection is connected to the negative output terminal of the electromagnetic coil driving circuit.

[0015] On the other hand, it also includes: a first sensing component and a second sensing component;

[0016] The first sensing component is placed at one end of the slide rail near the edge, and the second sensing component is placed at the other end of the slide rail near the edge. Both sensing components are connected to the microprocessor circuit.

[0017] The microprocessor circuit is also used to control the electromagnetic coil drive circuit to change the direction of the current in the electromagnetic coil when receiving a signal sent by the first sensing component or the second sensing component, so as to reduce the movement speed of the first permanent magnet and the second permanent magnet.

[0018] On the other hand, the distance between the first sensing component and the second sensing component is less than the length of the slide rail.

[0019] On the other hand, the north pole of the first permanent magnet is tightly connected to the first end of the spectral switching lens, and the south pole of the second permanent magnet is tightly connected to the second end of the spectral switching lens.

[0020] On the other hand, the width of the slide rail, the width of the spectral switching lens, the length of the first permanent magnet, and the length of the second permanent magnet are all equal.

[0021] On the other hand, it also includes a first reflecting lens, a first receiving chip and a second receiving chip, and the spectral switching lens includes a perspective lens and a second reflecting lens;

[0022] The spectral switching lens is placed at an angle, and the first reflective lens is disposed outside the slide rail and parallel to the second reflective lens, so that the incident light is reflected by the first reflective lens and the second reflective lens and then perpendicularly enters the first receiving chip, or is transmitted through the transparent lens and then perpendicularly enters the second receiving chip.

[0023] On the other hand, the main control circuit is used to change the direction and magnitude of the current output to the electromagnetic coil, including:

[0024] In the first mode, the master control circuit is used to change the direction and magnitude of the current output to the electromagnetic coil to adjust the position of the spectral switching lens so that the incident light is reflected perpendicularly into the first receiving chip after passing through the first reflecting lens and the second reflecting lens.

[0025] In the second mode, the main control circuit is used to change the direction and magnitude of the current output to the electromagnetic coil to adjust the position of the spectral switching lens so that the incident light is perpendicularly incident into the second receiving chip after being transmitted through the lens.

[0026] In the third mode, the master control circuit is used to change the direction and magnitude of the current output to the electromagnetic coil to adjust the position of the spectral switching lens, so that the incident light alternates between being reflected by the first reflective lens and the second reflective lens and being reflected by the lens and then being transmitted through the lens and then being transmitted through the lens and then being transmitted through the lens and then being transmitted through the lens and then being transmitted through the lens and then being transmitted through the lens and then being transmitted through the lens and then being transmitted through the lens and then being transmitted through the lens.

[0027] The present invention provides a spectral-switching filter lens, comprising: a slide rail, a first permanent magnet, a second permanent magnet, a spectral-switching lens, an electromagnetic coil, and a main control circuit; the spectral-switching lens is disposed on the slide rail, with the first permanent magnet disposed at one end of the spectral-switching lens and the second permanent magnet disposed at the other end of the spectral-switching lens; the main control circuit is connected to the electromagnetic coil; the main control circuit is used to change the direction and magnitude of the current output to the electromagnetic coil to change the electromagnetic field generated by the electromagnetic coil, thereby driving the first and second permanent magnets to carry the spectral-switching lens to move on the slide rail under the action of the electromagnetic field, achieving electromagnetic drive with low loss; in the optical path, reflected light and transmitted light can achieve coaxial output, thereby improving the synchronization and fusion effect of the image, and greatly reducing the cost. Attached Figure Description

[0028] To more clearly illustrate the embodiments of the present invention, the accompanying drawings used in the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0029] Figure 1 This is a schematic diagram of the existing visible light ray path and infrared light ray path;

[0030] Figure 2This is a schematic diagram of the structure of a spectral-switching filter provided in an embodiment of the present invention;

[0031] Figure 3 This is a schematic diagram of the light path in the first mode provided in an embodiment of the present invention;

[0032] Figure 4 This is a schematic diagram of the light path in the second mode provided in an embodiment of the present invention;

[0033] Figure 5 This is a schematic diagram of another spectral-switching filter provided in an embodiment of the present invention.

[0034] Among them, 10 is the slide rail, 11 is the first permanent magnet, 12 is the second permanent magnet, 131 is the perspective lens, 132 is the second reflective lens, 133 is the first reflective lens, 14 is the first electromagnetic coil, 15 is the second electromagnetic coil, 161 is the power supply circuit, 162 is the microprocessor circuit, 163 is the electromagnetic coil drive circuit, 17 is the first sensing component, 18 is the second sensing component, 19 is the first receiving chip, and 20 is the second receiving chip. Detailed Implementation

[0035] The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present invention.

[0036] The core of this invention is to provide a filter lens that can switch spectra, which can solve the problem of poor image fusion effect caused by the two lenses working independently, that is, the images obtained by the two lenses cannot be output and fused synchronously on the optical axis.

[0037] To enable those skilled in the art to better understand the present invention, the present invention will be further described in detail below with reference to the accompanying drawings and specific embodiments.

[0038] For existing visible and infrared detectors, two reflectors are set for visible light. When the spectral switching lens moves to its left half to receive the lens output, the visible light chip collects optical information through the reflectors. For infrared light, a corresponding infrared filter is set, and the collected infrared light image is output through the corresponding lens. Figure 1 This is a schematic diagram of the existing visible light ray path and infrared light ray path, combined with... Figure 1It is known that the two lenses (in some embodiments, they can also be set as visible light chips and infrared light chips) are in an independent working state. The two lenses have different optical paths and image resolutions, which leads to poor image fusion effect. That is to say, the images obtained by the two lenses cannot achieve good synchronization and fusion.

[0039] To address the aforementioned technical problems, this application provides a filter lens capable of spectral switching. Figure 2 This is a schematic diagram of the structure of a spectral-switching filter provided in an embodiment of the present invention, as shown below. Figure 2 As shown, the spectral-switching filter includes:

[0040] Slide rail, first permanent magnet, second permanent magnet, spectrum switching lens, electromagnetic coil, main control circuit;

[0041] The spectral switching lens is disposed on the slide rail, and the first permanent magnet is disposed at the first end of the spectral switching lens, the second permanent magnet is disposed at the other end of the spectral switching lens, and the main control circuit is connected to the electromagnetic coil;

[0042] The main control circuit is used to change the direction and magnitude of the current output to the electromagnetic coil, thereby changing the electromagnetic field generated by the electromagnetic coil, so as to drive the first permanent magnet and the second permanent magnet to move the spectral switching lens on the slide rail under the action of the electromagnetic field.

[0043] It should be noted that the microprocessor needs to have the execution function of a processor and the storage capacity of a memory; in this embodiment, the spectral switching lens can be set in half, wherein the left half of the spectral switching lens can be set as a visible light reflector and the right half of the spectral switching lens can be set as an infrared light filter; in some embodiments, the right half of the spectral switching lens can also be set as a visible light filter and the left half of the spectral switching lens can be set as an infrared light reflector.

[0044] In addition, in this embodiment, the left side of the first permanent magnet is the south pole (S pole), and the right side of the first permanent magnet is the north pole (N pole); the left side of the second permanent magnet is the south pole (S pole), and the right side of the second permanent magnet is the north pole (N pole). In this embodiment, no other implementation is allowed for the south and north poles of the first and second permanent magnets, so as to move the spectral switching lens in the same direction. It is understood that the spectral switching lens can only move left or right along the slide rail.

[0045] In this embodiment, a slide rail, a first permanent magnet, a second permanent magnet, a spectral switching lens, an electromagnetic coil, and a main control circuit are used. The main control circuit changes the direction and magnitude of the current in the circuit, thereby changing the direction and strength of the electromagnetic field generated by the electromagnetic coil. This drives the first and second permanent magnets to move the spectral switching lens back and forth at high speed on the slide rail under the action of the electromagnetic field, achieving electromagnetic drive with low loss. This allows the reflected light and transmitted light to achieve coaxial output under the optical path of this patent, thereby improving the synchronization and fusion effect of the image and greatly reducing the cost.

[0046] Regarding the positioning of the first and second permanent magnets and the spectral switching lens, the north pole of the first permanent magnet is positioned close to the first end of the spectral switching lens, and the south pole of the second permanent magnet is positioned close to the second end of the spectral switching lens, so that the first and second permanent magnets and the spectral switching lens form a single unit. At this point, the electromagnetic coil can generate a magnetic field through the main control circuit, causing the spectral switching lens to move.

[0047] The present invention provides a spectral-switching filter lens, comprising: a slide rail, a first permanent magnet, a second permanent magnet, a spectral-switching lens, an electromagnetic coil, and a main control circuit; the spectral-switching lens is disposed on the slide rail, with the first permanent magnet disposed at one end of the spectral-switching lens and the second permanent magnet disposed at the other end of the spectral-switching lens; the main control circuit is connected to the electromagnetic coil; the main control circuit is used to change the direction and magnitude of the current output to the electromagnetic coil to change the electromagnetic field generated by the electromagnetic coil, thereby driving the first and second permanent magnets to carry the spectral-switching lens to move on the slide rail under the action of the electromagnetic field, achieving electromagnetic drive with low loss; in the optical path, reflected light and transmitted light can achieve coaxial output, thereby improving the synchronization and fusion effect of the image, and greatly reducing the cost.

[0048] Based on the above embodiments:

[0049] In some embodiments, the main control circuit includes a power supply circuit, a microprocessor circuit, and an electromagnetic coil drive circuit;

[0050] The power supply terminal of the power supply circuit is connected to the power supply terminal of the microprocessor circuit and the power supply terminal of the electromagnetic coil drive circuit, respectively, for supplying power to the microprocessor circuit and the electromagnetic coil drive circuit.

[0051] The output terminal of the microprocessor circuit is connected to the control terminal of the electromagnetic coil drive circuit. The microprocessor circuit is used to control the direction and magnitude of the current output by the electromagnetic coil drive circuit to the electromagnetic coil.

[0052] The positive output terminal of the electromagnetic coil drive circuit is connected to one end of the electromagnetic coil drive circuit, and the negative output terminal of the electromagnetic coil drive circuit is connected to the second end of the electromagnetic coil.

[0053] The processor controls the signal output to the electromagnetic coil drive circuit, adjusts the current output from the electromagnetic coil drive circuit to the electromagnetic coil, thereby changing the electric field generated by the electromagnetic coil, and thus adjusting the sliding direction of the spectral switching lens.

[0054] When the spectral switching lens slides along the rail to the sensing component near the left side under the attraction of the electromagnetic field, the microprocessor changes the direction of the current in the circuit, thereby changing the direction of the electromagnetic field generated by the electromagnetic coil in the electromagnetic coil drive circuit. At this time, the spectral switching lens is affected by the electromagnetic field in the opposite direction, causing it to decelerate. When the deceleration reaches zero, it changes its sliding direction and slides to the right along the rail. This can be achieved by calculating the moving distance, moving speed, and time required for the spectral switching lens to change direction. The microprocessor controls the direction of the current in the electromagnetic coil drive circuit, thereby changing the direction of the electromagnetic field and driving the spectral switching lens to move back and forth along the rail, so that the corresponding image can be output to the lens based on the visible or infrared light.

[0055] In some embodiments, the electromagnetic coil includes a first electromagnetic coil and a second electromagnetic coil;

[0056] The first electromagnetic coil and the second electromagnetic coil are respectively located on both sides of the slide rail;

[0057] The first end of the first electromagnetic coil is connected to the first end of the second electromagnetic coil, and the common terminal of the connection is connected to the positive output terminal of the electromagnetic coil driving circuit. The second end of the first electromagnetic coil is connected to the second end of the second electromagnetic coil, and the common terminal of the connection is connected to the negative output terminal of the electromagnetic coil driving circuit.

[0058] The number of turns in the first electromagnetic coil and the second electromagnetic coil can be determined according to the specific implementation scenario. In some embodiments, the number of turns in the first electromagnetic coil can be set to be equal to the number of turns in the second electromagnetic coil. Alternatively, the number of turns in the first electromagnetic coil and the number of turns in the second electromagnetic coil can be set according to a preset ratio.

[0059] When the polarity directions of the first and second permanent magnets are the same as those of the sensing components on both sides, at a fixed frequency, force analysis is performed on the spectral switching lens at any time. One side of the spectral switching lens experiences a pulling force, and the other side experiences a pushing force. This indicates that the pulling and pushing forces are two forces in the same direction, preventing the spectral switching lens from being stretched and thus avoiding damage. The size of the coil in the electromagnetic coil can be increased, correspondingly increasing the current in the circuit, which in turn increases the force driving the spectral switching lens by the electromagnetic field. It is understood that the slide rail, the first permanent magnet, the second permanent magnet, the spectral switching lens, the first electromagnetic coil, the second electromagnetic coil, and the microprocessor are all housed within the camera housing.

[0060] In some embodiments, it further includes: a first sensing component and a second sensing component;

[0061] The first sensing component is placed at one end of the slide rail near the edge, and the second sensing component is placed at the other end of the slide rail near the edge. Both sensing components are connected to the microprocessor circuit.

[0062] The microprocessor circuit is also used to control the electromagnetic coil drive circuit to change the direction of the current in the electromagnetic coil when receiving a signal sent by the first sensing component or the second sensing component, so as to reduce the movement speed of the first permanent magnet and the second permanent magnet.

[0063] In some embodiments, the distance between the first sensing component and the second sensing component is less than the length of the slide rail.

[0064] The embodiment also includes a first sensing component and a second sensing component; the first sensing component is placed at one end of the slide rail, and the second sensing component is placed at the other end of the slide rail. To prevent the spectral switching lens from moving to the end of the slide rail and derailing, the sensing component is positioned at a specific location on the slide rail for detection. After the spectral switching lens moves to a specific position near the end of the slide rail, the microprocessor changes the direction of the electromagnetic field based on the lens position information transmitted by the sensing component, causing the spectral switching lens to decelerate until it accelerates in the opposite direction. Furthermore, a rigid material can be selected for the spectral switching lens to prevent wrinkles from forming, which could affect the image generated on the lens. It should also be noted that the slide rail is designed as a sealed structure in this embodiment to prevent the spectral switching lens from falling off the slide rail when not in operation. It is understood that the specific structure and position of the first and second sensing components can be determined according to the specific implementation scenario in this embodiment; in this embodiment, the structure of the first and second sensing components is not limited.

[0065] In some embodiments, the north pole of the first permanent magnet is tightly connected to the first end of the spectral switching lens, and the south pole of the second permanent magnet is tightly connected to the second end of the spectral switching lens.

[0066] In some embodiments, the width of the slide rail, the width of the spectral switching lens, the length of the first permanent magnet, and the length of the second permanent magnet are all equal.

[0067] Understandably, the length of the slide rail is much greater than its width. When the first and second permanent magnets are rectangular magnets, their lengths are much greater than their widths, and in this case, their lengths are perpendicular to the length of the slide rail. Similarly, the length of the spectral switching lens is much greater than its width, and in this case, its length is parallel to the length of the slide rail. It should be noted that the width of the slide rail, the width of the spectral switching lens, the length of the first permanent magnet, and the length of the second permanent magnet are all equal.

[0068] In some embodiments, the spectral switching lens further includes a first reflective lens, a first receiving chip, and a second receiving chip, wherein the spectral switching lens includes a transparent lens and a second reflective lens;

[0069] The spectral switching lens is placed at an angle, and the first reflective lens is disposed outside the slide rail and parallel to the second reflective lens, so that the incident light is reflected by the first reflective lens and the second reflective lens and then perpendicularly enters the first receiving chip, or is transmitted through the transparent lens and then perpendicularly enters the second receiving chip.

[0070] The spectral switching lens is placed at an angle. Figure 5 This is a schematic diagram of another spectral-switching filter provided in an embodiment of the present invention, as shown below. Figure 5 As shown, chip A is the second receiving chip, chip B is the first receiving chip, and reflector 2 is the first reflector in this application.

[0071] Therefore, when the incident light enters the lens perpendicularly, it is reflected or transmitted before entering the first or second receiving chip perpendicularly.

[0072] Figure 3 This is a schematic diagram of the light path in the first mode provided in an embodiment of the present invention;

[0073] Figure 4 This is a schematic diagram of the light path in the second mode provided in an embodiment of the present invention;

[0074] In some embodiments, the master control circuit is used to change the direction and magnitude of the current output to the electromagnetic coil, including:

[0075] In the first mode, the master control circuit is used to change the direction and magnitude of the current output to the electromagnetic coil to adjust the position of the spectral switching lens so that the incident light is reflected perpendicularly into the first receiving chip after passing through the first reflecting lens and the second reflecting lens.

[0076] In the second mode, the main control circuit is used to change the direction and magnitude of the current output to the electromagnetic coil to adjust the position of the spectral switching lens so that the incident light is perpendicularly incident into the second receiving chip after being transmitted through the lens.

[0077] In the third mode, the master control circuit is used to change the direction and magnitude of the current output to the electromagnetic coil to adjust the position of the spectral switching lens, so that the incident light alternates between being reflected by the first reflective lens and the second reflective lens and being reflected by the lens and then being transmitted through the lens and then being transmitted through the lens and then being transmitted through the lens and then being transmitted through the lens and then being transmitted through the lens and then being transmitted through the lens and then being transmitted through the lens and then being transmitted through the lens and then being transmitted through the lens.

[0078] This application provides three modes: First mode: When visible light detection is required, the spectral-switching filter switches to a visible light reflector, outputting only the image corresponding to visible light; Second mode: When infrared detection is required, the spectral-switching filter switches to an infrared filter, outputting only the image corresponding to infrared light; Third mode: In a high-frequency movement mode of the spectral-switching filter, the spectral-switching filter simultaneously outputs the images corresponding to visible light and infrared light through the visible light reflector and the infrared light filter, respectively.

[0079] In this embodiment, a slide rail, a first permanent magnet, a second permanent magnet, a spectral switching lens, an electromagnetic coil, and a main control circuit are used. The main control circuit changes the direction and magnitude of the current in the circuit, thereby changing the direction and strength of the electromagnetic field generated by the electromagnetic coil. This drives the first and second permanent magnets to move the spectral switching lens back and forth at high speed on the slide rail under the action of the electromagnetic field, achieving electromagnetic drive with low loss. This allows the reflected light and transmitted light to achieve coaxial output under the optical path of this patent, thereby improving the synchronization and fusion effect of the image and greatly reducing the cost.

[0080] The microprocessor is put into normal operation based on the enable signal; the enable signal can be output at a fixed frequency, for example, twice a day. In this embodiment, the number of fixed frequencies is not limited, and the corresponding implementation method can be determined according to the specific implementation scenario; furthermore, it should be noted that...

[0081] The current in the circuit is determined based on the operating mode of the electromagnetic coil and the voltage signal output by the microprocessor; at this time, the voltage signal is a pulse signal.

[0082] The current signal is transmitted to the electromagnetic coil drive circuit, and an electromagnetic field is generated;

[0083] Based on the electromagnetic field, the electromagnetic force is determined according to the first permanent magnet and the second permanent magnet; at this time, the direction of the electromagnetic force on the first permanent magnet is the same as the direction of the electromagnetic force on the second permanent magnet; wherein, the first permanent magnet and the second permanent magnet are set with corresponding magnetic attraction coefficients, and the electromagnetic force is determined according to the magnetic attraction coefficients and the electromagnetic field;

[0084] The spectral switching lens moves along the slide rail driven by electromagnetic force; the spectral switching lens moves in the left and right directions.

[0085] The position of the sensing component on the slide rail is determined based on the moving distance, moving speed, and time required for the spectral switching lens to change direction.

[0086] Obtain the working status of the first and second sensing components;

[0087] If the spectral switching lens is detected to have reached the position of the sensing component, the microspectral switching lens processor sends a control signal.

[0088] The direction of the current is changed according to the control signal, thereby changing the direction of the magnetic field;

[0089] The altered current is transmitted to the electromagnetic coil, generating an electromagnetic field; then, based on the electromagnetic field, the electromagnetic force is determined according to the first and second permanent magnets.

[0090] In a spectral switching filter, the spectral switching lens is mounted on a slide rail, with a first permanent magnet at one end and a second permanent magnet at the other end. Electromagnetic coils are located on both sides of the slide rail, and a central control circuit is connected to all of the electromagnetic coils. This allows the central control circuit to change the direction and magnitude of the electromagnetic field generated by the electromagnetic coils by changing the direction and magnitude of the current in the circuit, thereby driving the first and second permanent magnets to move the spectral switching lens left and right on the slide rail under the influence of the electromagnetic field.

[0091] It should be noted that, on the other hand, when the number of electromagnetic coils is two, the electromagnetic coils include: a first electromagnetic coil and a second electromagnetic coil;

[0092] The two ends of the first electromagnetic coil are connected to the main control circuit, and the two ends of the second electromagnetic coil are connected to the main control circuit.

[0093] The number of coil turns in the first electromagnetic coil and the second electromagnetic coil can be determined according to the specific implementation scenario. In some embodiments, the number of coil turns in the first electromagnetic coil can be set to be equal to the number of coil turns in the second electromagnetic coil. Alternatively, the number of coil turns in the first electromagnetic coil and the number of coil turns in the second electromagnetic coil can be set according to a preset ratio.

[0094] In addition, the microprocessor in this embodiment can be a control chip integrated on a circuit board. It should also be noted that the control chip needs to have the execution function of a processor and the storage capacity of a memory. In this embodiment, the spectral switching lens can be set in half. The left half of the spectral switching lens can be set as a D visible light reflector, and the right half of the spectral switching lens can be set as an infrared light filter. In some embodiments, the right half of the spectral switching lens can be set as a visible light filter, and the left half of the spectral switching lens can be set as an infrared light reflector.

[0095] In addition, in this embodiment, the left side of the first permanent magnet is the south pole (S pole), and the right side of the first permanent magnet is the north pole (N pole); the left side of the second permanent magnet is the south pole (S pole), and the right side of the second permanent magnet is the north pole (N pole). In this embodiment, no other implementation is allowed for the south and north poles of the first and second permanent magnets, so as to move the spectral switching lens in the same direction. It is understood that the spectral switching lens can only move left or right along the slide rail.

[0096] This embodiment utilizes a slide rail, a first permanent magnet, a second permanent magnet, a spectral switching lens, an electromagnetic coil, and a main control circuit. The main control circuit alters the direction and magnitude of the current in the circuit, thereby changing the direction and strength of the electromagnetic field generated by the electromagnetic coil. This drives the first and second permanent magnets, causing the spectral switching lens to move back and forth at high speed on the slide rail under the influence of the electromagnetic field. Furthermore, because only one optical path channel is provided, visible light and infrared light can be output coaxially, and multiple frames of visible light images and infrared light can be output sequentially. This improves image synchronization and fusion effects, reduces image processing errors caused by the distance between lenses, and significantly lowers costs.

[0097] The foregoing has provided a detailed description of a spectral-switching filter lens provided by the present invention. The various embodiments in the specification are described in a progressive manner, with each embodiment focusing on its differences from other embodiments. Similar or identical parts between embodiments can be referred to interchangeably. For the apparatus disclosed in the embodiments, since it corresponds to the method disclosed in the embodiments, the description is relatively simple; relevant parts can be referred to in the method section. It should be noted that those skilled in the art can make several improvements and modifications to the present invention without departing from the principles of the invention, and these improvements and modifications also fall within the protection scope of the present invention.

[0098] It should also be noted that, in this specification, relational terms such as "first" and "second" are used only to distinguish one entity or operation from another, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Furthermore, the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such a process, method, article, or apparatus. Without further limitations, an element defined by the phrase "comprising one..." does not exclude the presence of other identical elements in the process, method, article, or apparatus that includes said element.

Claims

1. A light filtering lens capable of spectral switching, characterized in that, The application relates to a spectrum switching device, which comprises the following components: a slide rail, a first permanent magnet, a second permanent magnet, a spectrum switching lens, an electromagnetic coil and a general control circuit. The spectrum switching lens is arranged on the slide rail, the first permanent magnet is arranged at a first end of the spectrum switching lens, the second permanent magnet is arranged at the other end of the spectrum switching lens, and the general control circuit is connected with the electromagnetic coil. The general control circuit is used for changing the direction and size of the current output to the electromagnetic coil, so that the electromagnetic field generated by the electromagnetic coil is changed, and the first permanent magnet and the second permanent magnet are driven to move the spectrum switching lens on the slide rail under the action of the electromagnetic field. The general control circuit comprises a power supply circuit, a microprocessor circuit and an electromagnetic coil driving circuit.

2. The spectrally switchable filter of claim 1, wherein, The power supply end of the power supply circuit is connected with the power supply end of the microprocessor circuit and the power supply end of the electromagnetic coil driving circuit respectively, and is used for supplying power to the microprocessor circuit and the electromagnetic coil driving circuit. The output end of the microprocessor circuit is connected with the control end of the electromagnetic coil driving circuit, and the microprocessor circuit is used for controlling the direction and size of the current output to the electromagnetic coil by the electromagnetic coil driving circuit. The output positive end of the electromagnetic coil driving circuit is connected with one end of the electromagnetic coil driving circuit, and the output negative end of the electromagnetic coil driving circuit is connected with the second end of the electromagnetic coil. The electromagnetic coil comprises a first electromagnetic coil and a second electromagnetic coil.

3. The spectrally switchable filter of claim 2, wherein, The first electromagnetic coil and the second electromagnetic coil are respectively located on the two sides of the slide rail. The first end of the first electromagnetic coil is connected with the first end of the second electromagnetic coil, and the common end connected with the output positive end of the electromagnetic coil driving circuit; the second end of the first electromagnetic coil is connected with the second end of the second electromagnetic coil, and the common end connected with the output negative end of the electromagnetic coil driving circuit. Further comprising:

4. The spectrally-switchable filter lens of claim 1, wherein, A first sensing component and a second sensing component. The first sensing component is arranged at one end of the slide rail close to the edge, and the second sensing component is arranged at the other end of the slide rail close to the edge, and the sensing components are connected with the microprocessor circuit. The microprocessor circuit is further used for controlling the direction of the current of the electromagnetic coil driving circuit to the electromagnetic coil to be changed when the signal sent by the first sensing component or the second sensing component is received, so that the movement speed of the first permanent magnet and the second permanent magnet is reduced. The distance between the first sensing component and the second sensing component is less than the length of the slide rail.

5. The spectrally switchable filter of claim 4, wherein, The north pole of the first permanent magnet is closely connected with the first end of the spectrum switching lens, and the south pole of the second permanent magnet is closely connected with the second end of the spectrum switching lens.

6. The spectrally switchable filter of claim 1, wherein, The width of the slide rail, the width of the spectrum switching lens, the length of the first permanent magnet and the length of the second permanent magnet are all equal.

7. The spectrally switchable filter of claim 1, wherein, Further comprising a first reflecting lens, a first receiving chip and a second receiving chip, and the spectrum switching lens comprises a perspective lens and a second reflecting lens.

8. The spectrally switchable filter of any of claims 1 to 7, wherein, ​ The light spectrum switching lens is obliquely placed, the first reflecting lens is arranged outside the slide rail and is parallel to the second reflecting lens, so that incident light is vertically incident into the first receiving chip after being reflected by the first reflecting lens and the second reflecting lens or is vertically incident into the second receiving chip after being transmitted by the see-through lens.

9. The spectrally switchable filter of claim 8, wherein, The total control circuit is used for changing the direction and size of the current output to the electromagnetic coil, including: In the first mode, the total control circuit is used for changing the direction and size of the current output to the electromagnetic coil to adjust the position of the light spectrum switching lens, so that incident light is vertically incident into the first receiving chip after being reflected by the first reflecting lens and the second reflecting lens; In the second mode, the total control circuit is used for changing the direction and size of the current output to the electromagnetic coil to adjust the position of the light spectrum switching lens, so that incident light is vertically incident into the second receiving chip after being transmitted by the see-through lens; In the third mode, the total control circuit is used for changing the direction and size of the current output to the electromagnetic coil to adjust the position of the light spectrum switching lens, so that incident light is alternately performed between being vertically incident into the first receiving chip after being reflected by the first reflecting lens and the second reflecting lens and being vertically incident into the second receiving chip after being transmitted by the see-through lens according to a preset period.

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