CN214069997U - Camera module - Google Patents
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- CN214069997U CN214069997U CN202023205415.2U CN202023205415U CN214069997U CN 214069997 U CN214069997 U CN 214069997U CN 202023205415 U CN202023205415 U CN 202023205415U CN 214069997 U CN214069997 U CN 214069997U
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Abstract
The utility model provides a camera module, wherein, camera module includes camera subassembly, the sensor board, the main control board, shell and radiator unit, camera subassembly is used for acquireing the light signal of face image and palm image, and feed back to the sensor board, the sensor board with light signal conversion for with the signal of telecommunication to the main control board that corresponds, the main control board is used for carrying out image processing to the signal of telecommunication in order to acquire the image information who corresponds with the signal of telecommunication, and match the discernment with the image characteristic of prestoring with image information, and the feedback matches the result to the terminal equipment who connects. Camera subassembly, sensor board and main control board divide the board setting, have increased heat radiating area, and heat radiating assembly further dispels the heat to main control board and sensor board, has improved the radiating effect of camera module, simultaneously, has realized the collection and the discernment to face image and palm image, has improved the functional diversity of camera.
Description
Technical Field
The utility model belongs to the technical field of image acquisition, especially, relate to a camera module.
Background
At present, camera modules are widely applied in various fields such as attendance checking, entrance guard, security protection and the like.
However, each functional module of such a camera module is usually arranged in a centralized manner, so that the heat dissipation performance is poor, and the heat dissipation performance of the module is not favorable. Along with the improvement of resolution ratio and frame rate, also higher to sensor and treater performance requirement, whole system's consumption increases, and it is serious to generate heat, if does not have good heat dissipation mode, tends to influence the stability of module along with the temperature rise of module.
The existing module only aims at the single biological characteristic collection of the human face or the palm, and the type of the biological characteristic collected by the camera module is single.
Therefore, the traditional camera module has the problems of poor heat dissipation and single function.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a camera module aims at solving the poor and problem of function singleness of thermal diffusivity that traditional camera module exists.
The embodiment of the utility model provides a camera module, which comprises a main control board, a sensor board and a camera component which are arranged in a stacked manner and are electrically connected in sequence;
the camera assembly is used for acquiring optical signals of a face image and a palm image and feeding the optical signals back to the sensor board;
the sensor board is used for converting the optical signals into corresponding electrical signals to the main control board;
the main control board is used for carrying out image processing on the electric signal so as to obtain image information corresponding to the electric signal, carrying out matching identification on the image information and prestored image characteristics, and feeding back a matching result to connected terminal equipment;
the camera assembly is arranged on the shell, and the heat dissipation assembly comprises an inner cavity used for containing the sensor board and the main control board.
In one embodiment, the camera assembly includes a visible light camera, an infrared camera, a first lamp panel and a second lamp panel;
the visible light camera infrared camera first lamp plate with the second lamp plate set up in on the shell, first lamp plate is used for providing visible light or infrared light, the second lamp plate is used for providing visible light or infrared light.
In one embodiment, the first lamp panel includes a first circuit board and a first LED lamp disposed on the first circuit board, the first LED lamp being configured to provide visible light or infrared light.
In one embodiment, the second lamp panel includes a second circuit board and a second LED lamp disposed on the second circuit board, and the second LED lamp is used for providing visible light or infrared light.
In one embodiment, the sensor board includes a third circuit board and a power conversion circuit, a first image sensor and a second image sensor disposed on the third circuit board;
a power input end of the power conversion circuit, a signal end of the first image sensor and a signal end of the second image sensor are respectively connected with the main control board, and a power output end of the power conversion circuit is respectively electrically connected with a power end of the first image sensor, a power end of the second image sensor, a power end of the first LED lamp and a power end of the second LED lamp;
the power supply conversion circuit is used for converting a direct-current power supply input by the main control board into power supply signals with corresponding sizes and transmitting the power supply signals to the first image sensor, the second image sensor, the first LED lamp and the second LED lamp;
the first image sensor is used for converting an optical signal input by the visible light camera into an electric signal and feeding the electric signal back to the main control board;
and the second image sensor is used for converting the optical signal input by the infrared camera into an electric signal and feeding the electric signal back to the main control board.
In one embodiment, the power conversion circuit includes a voltage conversion circuit and an LED driving circuit;
the power input end of the voltage conversion circuit and the power input end of the LED driving circuit are connected together to form the power input end of the power conversion circuit, the power output end of the voltage conversion circuit is respectively connected with the power end of the first image sensor and the power end of the second image sensor, and the power output end of the LED driving circuit is respectively connected with the power end of the first LED lamp and the power end of the second LED lamp;
the voltage conversion circuit is used for performing voltage conversion on the direct-current power supply input by the main control board and respectively outputting voltage signals with corresponding magnitudes to the first image sensor and the second image sensor;
the LED driving circuit is used for converting the voltage of the direct-current power supply input by the main control board and respectively outputting voltage signals with corresponding magnitudes to the first LED lamp and the second LED lamp.
In one embodiment, the main control board comprises a fourth circuit board, and a USB interface, a processor and a memory which are arranged on the fourth circuit board;
the USB interface is respectively connected with the processor and the power conversion circuit, and the processor is respectively connected with the memory and the first image sensor and the second image sensor;
the USB interface is used for connecting the terminal equipment, the processor and the power conversion circuit so as to carry out signal transmission and power transmission;
the processor is used for carrying out image processing on the electric signal to acquire image information corresponding to the electric signal, matching and identifying the image information and pre-stored image characteristics stored in the memory, and feeding back a matching result to the terminal equipment through the USB interface.
In one embodiment, the bottom of the heat dissipation assembly is provided with an opening, and the USB interface is mounted on the fourth circuit board through the opening and connected with the processor.
In one embodiment, the main control board further includes a crystal oscillator for providing an oscillation signal and a reset key for providing a reset signal, and the crystal oscillator and the reset key are respectively connected to the processor.
In one embodiment, the camera module further comprises a first connector, a second connector and a third connector;
a first end of the first connector is arranged on the first circuit board and connected with the first LED lamp, a second end of the first connector is arranged on the second circuit board and connected with the second LED lamp, and a third end of the first connector is arranged on the third circuit board and connected with the LED driving circuit;
a first end of the second connector is arranged on the third circuit board and is respectively connected with the first image sensor, the voltage conversion circuit and the LED drive circuit, and a second end of the second connector is arranged on the fourth circuit board and is respectively connected with the processor and the USB interface;
the first end of the third connector is arranged on the third circuit board and is respectively connected with the second image sensor, the voltage conversion circuit and the LED drive circuit, and the second end of the third connector is arranged on the fourth circuit board and is respectively connected with the processor and the USB interface.
The embodiment of the utility model provides a through with the camera subassembly, the sensor board, the main control board, the shell constitutes the camera module with radiator unit, the camera subassembly is used for acquireing the light signal of face image and palm image, and feed back to the sensor board, the sensor board with light signal conversion for with the signal of telecommunication to the main control board that corresponds, the main control board is used for carrying out image processing to the signal of telecommunication in order to acquire the image information who corresponds with the signal of telecommunication, and match the discernment with the image characteristic that prestores with image information, and the feedback matches the result to the terminal equipment who connects. Camera subassembly, sensor board and main control board divide the board setting, have increased heat radiating area, and heat radiating assembly further dispels the heat to main control board and sensor board, has improved the radiating effect of camera module, simultaneously, has realized the collection and the discernment to face image and palm image, has improved the functional diversity of camera.
Drawings
Fig. 1 is a first schematic structural diagram of a camera module according to an embodiment of the present invention;
fig. 2 is a schematic view of a second structure of the camera module according to the embodiment of the present invention;
fig. 3 is a schematic view of a third structure of the camera module according to the embodiment of the present invention;
fig. 4 is a schematic view of a fourth structure of the camera module according to the embodiment of the present invention;
fig. 5 is a schematic view of a fifth structure of a camera module according to an embodiment of the present invention;
fig. 6 is a sixth schematic structural view of the camera module according to the embodiment of the present invention.
Detailed Description
In order to make the technical problem, technical solution and advantageous effects to be solved by the present invention more clearly understood, the following description is given in conjunction with the accompanying drawings and embodiments to illustrate the present invention in further detail. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or be indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or be indirectly connected to the other element.
It will be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in an orientation or positional relationship indicated in the drawings for convenience in describing the invention and to simplify the description, and are not intended to indicate or imply that the device or element so referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.
The embodiment of the utility model provides a camera module is provided.
As shown in fig. 1, fig. 1 is a first schematic structural diagram of a camera module according to an embodiment of the present invention, in this embodiment, the camera module includes a main control board 300, a sensor board 200, and a camera assembly 100, which are stacked and electrically connected in sequence;
the camera assembly 100 is used for acquiring optical signals of a human face image and a palm image and feeding the optical signals back to the sensor board 200;
the sensor board 200 is used for converting the optical signal into a corresponding electrical signal and transmitting the electrical signal to the main control board 300;
the main control board 300 is configured to perform image processing on the electrical signal to obtain image information corresponding to the electrical signal, perform matching identification on the image information and pre-stored image characteristics, and feed back a matching result to a connected terminal device;
the camera module comprises a housing 400 and a heat dissipation assembly 500 which are installed in a matched mode, wherein the camera assembly 100 is arranged on the housing 400, and the heat dissipation assembly 500 comprises an inner cavity used for accommodating the sensor board 200 and the main control board 300.
In this embodiment, the camera assembly 100 focuses light reflected from a human face or a palm, so as to collect optical signals corresponding to a human face image and a palm image, the palm image may be a palm print image and/or a vein image, the optical signals enter a corresponding sensor structure of the sensor board 200 to perform photoelectric signal conversion, a processing module on the main control board 300 processes the obtained electrical signals according to a biometric algorithm to obtain corresponding image information, and meanwhile, performs matching recognition on the image information and pre-stored image features, and finally feeds back a matching result to the terminal device.
The camera assembly 100 collects images by using a binocular camera, and the binocular camera adopts a lens with a large depth of field, so that the camera is suitable for collecting face images and palm images.
As shown in fig. 1 or fig. 2, the heat dissipation assembly 500 is installed in a manner of being adapted to the housing 400, and may be installed by a buckle, an adhesion, etc., and meanwhile, in order to improve safety and waterproof performance, a sealing ring or foam may be further disposed between the housing and the heat dissipation assembly, the sensor board 200 and the main control board 300 are disposed in an inner cavity of the heat dissipation assembly 500, the main control board 300 is attached to the heat dissipation assembly 500, and both the side and the bottom of the heat dissipation assembly 500 are provided with a heat dissipation structure, thereby further improving a heat dissipation effect, the heat dissipation assembly 500 may be a heat sink or a heat sink, and in one embodiment, the heat dissipation assembly 500 is a heat sink.
The embodiment of the utility model provides a through with camera assembly 100, sensor board 200, main control board 300, the camera module is constituteed to shell 400 and radiator unit 500, camera assembly 100 is used for acquireing the light signal of face image and palm image, and feed back to sensor board 200, sensor board 200 converts light signal into with the signal of telecommunication to main control board 300 that corresponds, main control board 300 is used for carrying out image processing to the signal of telecommunication in order to acquire the image information who corresponds with the signal of telecommunication, and match the discernment with the image characteristic that prestores image information, and the feedback matches the terminal equipment of result to being connected. Camera subassembly 100, sensor board 200 and main control board 300 divide the board setting, have increased heat radiating area, and heat radiating assembly 500 further dispels the heat to main control board 300 and sensor board 200, has improved the radiating effect of camera module, simultaneously, has realized the collection and the discernment to face image and palm image, has improved the functional diversity of camera.
As shown in fig. 1 or fig. 2, in one embodiment, the camera assembly 100 includes a visible light camera 10, an infrared camera 20, a first lamp panel 30, and a second lamp panel 40;
visible light camera 10, infrared camera 20, first lamp plate 30 and second lamp plate 40 set up on shell 400, first lamp plate 30 is used for providing visible light or infrared light, second lamp plate 40 is used for providing visible light or infrared light.
In this embodiment, first lamp plate 30 and second lamp plate 40 can be used for providing visible light and infrared light respectively, perhaps provide visible light or infrared light simultaneously, in order to reach the purpose of visible light filling or infrared light filling, visible light camera 10 and infrared camera 20 constitute two mesh cameras, two mesh cameras utilize bionics principle, obtain synchronous exposure image through two cameras after the demarcation, main control panel 300 calculates the third dimensional depth information of the two-dimensional image pixel that obtains, and simultaneously, main control panel 300 is based on biological recognition algorithm, utilize the depth information of pixel to discern the people's face and the palm that await measuring and judge.
The setting positions of the first lamp panel 30 and the second lamp panel 40 are not limited, and the first lamp panel and the second lamp panel can be arranged on the shell side by side with the visible light camera 10 and the infrared camera 20, or can be correspondingly arranged on one side of the camera to provide visible light and/or infrared light.
As shown in fig. 3, in an embodiment, the first lamp panel 30 includes a first circuit board 31 and a first LED lamp 32 disposed on the first circuit board 31, and the first LED lamp 32 is used for providing visible light or infrared light.
In one embodiment, the second lamp panel 40 includes a second circuit board 41 and a second LED lamp 42 disposed on the second circuit board 41, and the second LED lamp 42 is used for providing visible light or infrared light.
In this embodiment, the first circuit board 31 is used for transmitting a power supply and fixing the first LED lamp 32, the first LED lamp 32 is welded or clamped on the first circuit board 31, the first LED lamp 32 is correspondingly turned on by receiving the power supply output by the sensor board 200 to provide visible light or infrared light, similarly, the second circuit board 41 is used for transmitting a power supply and fixing the second LED lamp 42, the second LED lamp 42 is welded or clamped on the second circuit board 41, and the second LED lamp 42 is correspondingly turned on by receiving the power supply output by the sensor board 200 to provide visible light or infrared light, so that according to the function of the LED lamp, the first LED lamp 32 and the second LED lamp 42 may be both visible light lamps or both infrared light lamps, or one is a visible light lamp and the other is an LED lamp.
The number of the first LED lamp 32 and the second LED lamp 42 is not limited, and may be one or more.
Continuing to refer to fig. 3, in one embodiment, the sensor board 200 includes a third circuit board 210, and a power conversion circuit 240, a first image sensor 220 and a second image sensor 230 disposed on the third circuit board 210;
a power input end of the power conversion circuit 240, a signal end of the first image sensor 220, and a signal end of the second image sensor 230 are respectively connected to the main control board 300, and a power output end of the power conversion circuit 240 is respectively electrically connected to a power end of the first image sensor 220, a power end of the second image sensor 230, a power end of the first LED lamp 32, and a power end of the second LED lamp 42;
a power conversion circuit 240, configured to convert the dc power input by the main control board 300 into power signals with corresponding sizes, and send the power signals to the first image sensor 220, the second image sensor 230, the first LED lamp 32, and the second LED lamp 42;
the first image sensor 220 is configured to convert an optical signal input by the visible light camera 10 into an electrical signal and feed the electrical signal back to the main control board 300;
the second image sensor 230 is configured to convert an optical signal input by the infrared camera 20 into an electrical signal and feed the electrical signal back to the main control board 300.
In this embodiment, the first image sensor 220 is disposed corresponding to the visible light camera 10, the second image sensor 230 is disposed corresponding to the infrared camera 20, and acquires an optical signal input by the camera and performs photoelectric conversion, the third circuit board 210 is configured to transmit an electrical signal and a power signal between the image sensor and the main control board 300, the dc power output by the main control board 300 is converted into multiple power signals by the power conversion circuit 240, and is respectively output to the first image sensor 220 and the second image sensor 230 on the third circuit board 210, and the first LED lamp 32 on the first circuit board 31 and the second LED lamp 42 on the second circuit board 41.
The power conversion circuit 240 can adopt a DC/DC conversion circuit, a switching power supply circuit or other conversion circuits or modules, the power of the power conversion circuit 240 is high, the power conversion circuit is arranged in the inner cavity of the heat dissipation assembly 500, the heat dissipation effect is improved, and abnormal work of the camera module is avoided.
As shown in fig. 4, in one embodiment, power conversion circuit 240 includes a voltage conversion circuit 241 and an LED drive circuit 242;
the power input end of the voltage converting circuit 241 and the power input end of the LED driving circuit 242 are commonly connected to form the power input end of the power converting circuit 240, the power output end of the voltage converting circuit 241 is respectively connected to the power end of the first image sensor 220 and the power end of the second image sensor 230, and the power output end of the LED driving circuit 242 is respectively connected to the power end of the first LED lamp 32 and the power end of the second LED lamp 42;
a voltage conversion circuit 241, configured to perform voltage conversion on the dc power input by the main control board 300 and output voltage signals with corresponding magnitudes to the first image sensor 220 and the second image sensor 230, respectively;
the LED driving circuit 242 is configured to perform voltage conversion on the dc power input by the main control board 300 and output voltage signals with corresponding magnitudes to the first LED lamp 32 and the second LED lamp 42, respectively.
In this embodiment, the voltage conversion circuit 241 is configured to provide a power supply voltage to the first image sensor 220 and the second image sensor 230, the LED driving circuit 242 is configured to provide a power supply voltage to the first LED lamp 32 and the second LED lamp 42, the LED driving circuit 242 may be a constant current driving circuit or a constant voltage driving circuit, and is specifically configured according to a light supplement requirement, and the voltage conversion circuit 241 may be a DC/DC conversion circuit and/or a voltage stabilizing circuit, and the specific structure is not limited.
As shown in fig. 4, in one embodiment, the main control board 300 includes a fourth circuit board 310, and a USB interface 320, a processor 330 and a memory 340 disposed on the fourth circuit board 310;
the USB interface 320 is respectively connected to the processor 330 and the power conversion circuit 240, and the processor 330 is respectively connected to the memory 340 and the first image sensor 220 and the second image sensor 230;
a USB interface 320 for connecting the terminal device, the processor 330 and the power conversion circuit 240 for signal transmission and power transmission;
the processor 330 is configured to perform image processing on the electrical signal to obtain image information corresponding to the electrical signal, perform matching identification on the image information and pre-stored image characteristics stored in the memory 340, and feed back a matching result to the terminal device through the USB interface 320.
In this embodiment, the USB interface 320 performs signal input and output, the signal includes a power signal and a data signal of the processor 330 and the terminal device, the processor 330 performs receiving and processing of the electrical signal and matching identification of corresponding image information, and the image characteristics and corresponding algorithms are stored in the memory 340.
The Processor 330 may be a Central Processing Unit (CPU), other general-purpose Processor 330, a Digital Signal Processor 330 (DSP), an Application Specific Integrated Circuit (ASIC), a Field-Programmable Gate Array (FPGA) or other Programmable logic device, discrete Gate or transistor logic device, discrete hardware component, etc. The general purpose processor 330 may be a microprocessor 330 or the processor 330 may be any conventional processor 330 or the like.
The memory 340 may be a hard disk or a memory, or may be a plug-in hard disk provided in the camera module, a Smart Media Card (SMC), a Secure Digital (SD) Card, a Flash memory Card (Flash Card), or the like.
The USB interface 320 may be disposed at a corresponding opening of the heat dissipation assembly 500 or a corresponding opening of the housing 400, and in one embodiment, as shown in fig. 5, a corresponding opening is disposed at a bottom of the heat dissipation assembly 500, and the USB interface 320 is mounted on the fourth circuit board 310 through the opening and correspondingly connected to the processor 330, so as to implement input and output of signals.
As shown in fig. 6, in an embodiment, the main control board 300 further includes a crystal oscillator 350 for providing an oscillation signal and a reset key 360 for providing a reset signal, the crystal oscillator 350 and the reset key 360 are respectively connected to the processor 330, and the processor 330 may obtain a standard clock signal according to the oscillation signal and implement a reset of the whole device according to the reset signal.
With continued reference to fig. 6, in one embodiment, the camera module further includes a first connector 600, a second connector 700, and a third connector 800;
a first end of the first connector 600 is disposed on the first circuit board 31 and connected to the first LED lamp 32, a second end of the first connector 600 is disposed on the second circuit board 41 and connected to the second LED lamp 42, and a third end of the first connector 600 is disposed on the third circuit board 210 and connected to the LED driving circuit 242;
a first end of the second connector 700 is disposed on the third circuit board 210 and is connected to the first image sensor 220, the voltage conversion circuit 241 and the LED driving circuit 242, respectively, and a second end of the second connector 700 is disposed on the fourth circuit board 310 and is connected to the processor 330 and the USB interface 320, respectively;
a first end of the third connector 800 is disposed on the third circuit board 210 and is connected to the second image sensor 230, the voltage conversion circuit 241 and the LED driving circuit 242, respectively, and a second end of the third connector 800 is disposed on the fourth circuit board 310 and is connected to the processor 330 and the USB interface 320, respectively.
In this embodiment, in order to simplify the circuit structure, connect through the connector between lamp plate, sensor board 200 and the main control board 300 to realize photoelectric signal and power signal's transmission, the connector can be PFC connector, arrange and insert, or public female head structure, and specific structure is not limited.
The above-mentioned embodiments are only used for illustrating the technical solution of the present invention, and not for limiting the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not substantially depart from the spirit and scope of the embodiments of the present invention, and are intended to be included within the scope of the present invention.
Claims (10)
1. A camera module is characterized by comprising a main control board, a sensor board and a camera assembly which are arranged in a stacked mode and electrically connected in sequence;
the camera assembly is used for acquiring optical signals of a face image and a palm image and feeding the optical signals back to the sensor board;
the sensor board is used for converting the optical signals into corresponding electrical signals to the main control board;
the main control board is used for carrying out image processing on the electric signal so as to obtain image information corresponding to the electric signal, carrying out matching identification on the image information and prestored image characteristics, and feeding back a matching result to connected terminal equipment;
the camera assembly is arranged on the shell, and the heat dissipation assembly comprises an inner cavity used for containing the sensor board and the main control board.
2. The camera module of claim 1, wherein the camera assembly comprises a visible light camera, an infrared camera, a first lamp panel and a second lamp panel;
the visible light camera infrared camera first lamp plate with the second lamp plate set up in on the shell, first lamp plate is used for providing visible light or infrared light, the second lamp plate is used for providing visible light or infrared light.
3. The camera module of claim 2, wherein the first lamp panel comprises a first circuit board and a first LED lamp disposed on the first circuit board, the first LED lamp being configured to provide visible light or infrared light.
4. The camera module of claim 3, wherein the second lamp panel comprises a second circuit board and a second LED lamp disposed on the second circuit board, the second LED lamp being configured to provide visible light or infrared light.
5. The camera module of claim 4, wherein the sensor board comprises a third circuit board and a power conversion circuit, a first image sensor and a second image sensor disposed on the third circuit board;
a power input end of the power conversion circuit, a signal end of the first image sensor and a signal end of the second image sensor are respectively connected with the main control board, and a power output end of the power conversion circuit is respectively electrically connected with a power end of the first image sensor, a power end of the second image sensor, a power end of the first LED lamp and a power end of the second LED lamp;
the power supply conversion circuit is used for converting a direct-current power supply input by the main control board into power supply signals with corresponding sizes and transmitting the power supply signals to the first image sensor, the second image sensor, the first LED lamp and the second LED lamp;
the first image sensor is used for converting an optical signal input by the visible light camera into an electric signal and feeding the electric signal back to the main control board;
and the second image sensor is used for converting the optical signal input by the infrared camera into an electric signal and feeding the electric signal back to the main control board.
6. The camera module of claim 5, wherein the power conversion circuit comprises a voltage conversion circuit and an LED drive circuit;
the power input end of the voltage conversion circuit and the power input end of the LED driving circuit are connected together to form the power input end of the power conversion circuit, the power output end of the voltage conversion circuit is respectively connected with the power end of the first image sensor and the power end of the second image sensor, and the power output end of the LED driving circuit is respectively connected with the power end of the first LED lamp and the power end of the second LED lamp;
the voltage conversion circuit is used for performing voltage conversion on the direct-current power supply input by the main control board and respectively outputting voltage signals with corresponding magnitudes to the first image sensor and the second image sensor;
the LED driving circuit is used for converting the voltage of the direct-current power supply input by the main control board and respectively outputting voltage signals with corresponding magnitudes to the first LED lamp and the second LED lamp.
7. The camera module according to claim 6, wherein the main control board comprises a fourth circuit board, and a USB interface, a processor and a memory disposed on the fourth circuit board;
the USB interface is respectively connected with the processor and the power conversion circuit, and the processor is respectively connected with the memory and the first image sensor and the second image sensor;
the USB interface is used for connecting the terminal equipment, the processor and the power conversion circuit so as to carry out signal transmission and power transmission;
the processor is used for carrying out image processing on the electric signal to acquire image information corresponding to the electric signal, matching and identifying the image information and pre-stored image characteristics stored in the memory, and feeding back a matching result to the terminal equipment through the USB interface.
8. The camera module of claim 7, wherein an opening is formed in a bottom of the heat sink assembly, and the USB port is mounted on the fourth circuit board through the opening and connected to the processor.
9. The camera module according to claim 7, wherein the main control board further comprises a crystal oscillator for providing an oscillation signal and a reset button for providing a reset signal, and the crystal oscillator and the reset button are respectively connected to the processor.
10. The camera module of claim 7, wherein the camera module further comprises a first connector, a second connector, and a third connector;
a first end of the first connector is arranged on the first circuit board and connected with the first LED lamp, a second end of the first connector is arranged on the second circuit board and connected with the second LED lamp, and a third end of the first connector is arranged on the third circuit board and connected with the LED driving circuit;
a first end of the second connector is arranged on the third circuit board and is respectively connected with the first image sensor, the voltage conversion circuit and the LED drive circuit, and a second end of the second connector is arranged on the fourth circuit board and is respectively connected with the processor and the USB interface;
the first end of the third connector is arranged on the third circuit board and is respectively connected with the second image sensor, the voltage conversion circuit and the LED drive circuit, and the second end of the third connector is arranged on the fourth circuit board and is respectively connected with the processor and the USB interface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023205415.2U CN214069997U (en) | 2020-12-25 | 2020-12-25 | Camera module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023205415.2U CN214069997U (en) | 2020-12-25 | 2020-12-25 | Camera module |
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| Publication Number | Publication Date |
|---|---|
| CN214069997U true CN214069997U (en) | 2021-08-27 |
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| CN202023205415.2U Active CN214069997U (en) | 2020-12-25 | 2020-12-25 | Camera module |
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| Country | Link |
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| CN (1) | CN214069997U (en) |
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2020
- 2020-12-25 CN CN202023205415.2U patent/CN214069997U/en active Active
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