Photographing device and electronic device with the photographing device

Abstract

The embodiment of the invention provides a photographing device and an electronic device with the photographing device. The photographing device comprises an interface circuit of a camera module. The interface circuit of the camera module is arranged on a mainboard and comprises a baseband circuit, and a motor drive module which is connected with the baseband circuit. The camera module comprises a camera module circuit board. The camera module circuit board comprises at least one image sensor module, wherein each image sensor module is connected with the baseband circuit; and at least one motor, wherein each motor is correspondingly connected with the motor drive module. According to the embodiment of the devices, the partial heating problem of the camera module (such as a zoom dual-camera module) in the related technique can be effectively reduced, the user experience is good, the interference of the motor drive module on each image sensor module in the camera module is avoided, and moreover, the routing and layout spaces of the camera module circuit board are greatly reduced.

Description

technical field [0001] The invention relates to the field of electronic technology, in particular to a photographing device and an electronic device. Background technique [0002] At present, camera technology has been widely used in mobile phones. With the rapid development of mobile phones, users' requirements are getting higher and higher. Even better, at the same time, the design of mobile phones has higher and higher requirements for camera modules. For example, the camera module is required not to overheat locally during work, otherwise it may cause the local temperature of the whole machine to be too high and reduce the comfort of user experience. feel. [0003] In the related art, the internal circuit of the zoom camera module mainly includes a sensor module (image sensing module), a motor and a motor driving module. For example, if figure 1 The shown zoom dual camera module includes sensor1 module, sensor2 module, motor driver module, motor1 and motor2. Wherein,...

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Problems solved by technology

[0004] In the related art, the components of the internal circuit of the zoom camera module (such as the sensor module and the motor drive module) are concentratedly placed on the small circuit board of the zoom camera module, and heat generation is a big problem, especially as the number of pixels of the camera increases. The higher the frame rate, the higher the frame rate, and the higher the optical performance, the more serious the heat, especially some zoom camera modules with PDAF (phase detection auto focus, phase detection autofocus) image sensor modules Due to power consumption and heating problems, it cannot be applied to ultra-thin mobile phones, and the heat dissipation design of the ultra-thin mobile phone in the zoom camera module area is limited. To apply the zoom camera well will face the bottleneck of solving the heat dissipation problem.

In addition, the wiring and layout space inside the zoom camera module circuit board is limited, and the interference of the motor drive module to the sensor module is also a difficult problem in the design of the zoom camera module.

Due to the existence of interference, the motor drive module can only drive the motor in a linear drive mode to reduce interference, but cannot drive the motor in a low-power PWM (Pulse Width Modulation, pulse width modulation) drive mode

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