WO2021258256A1

WO2021258256A1 - Camera module, and vehicle-mounted device and electronic device having same

Info

Publication number: WO2021258256A1
Application number: PCT/CN2020/097479
Authority: WO
Inventors: 王伟
Original assignee: 欧菲光集团股份有限公司; 南昌欧菲光电技术有限公司
Priority date: 2020-06-22
Filing date: 2020-06-22
Publication date: 2021-12-30

Abstract

A camera module (100), and a vehicle-mounted device and an electronic device having same. The camera module (100) comprises: a receiver assembly (1) and a transmitter assembly (2); the transmitter assembly (2) and the receiver assembly (1) are arranged side by side; the transmitter assembly (2) comprises a support (28) and a laser transmitter (26); a light exit hole (281) is formed on the support (28); the transmitter assembly (2) also comprises a prism (24); the prism (24) and the laser transmitter (26) are both disposed in the support (28); the prism (24) has an incident surface (241) and an exit surface (242); the exit surface (242) faces the light exit hole (281); the laser transmitter (26) is disposed adjacent to the incident surface (241) to emit, from the light exit hole (281) via the incident surface (241) and the exit surface (242), the light emitted by the laser transmitter (26); and the laser transmitter (26) is located outside the orthographic projection area of the light exit hole (281) in the direction of the central axis of the light exit hole (281).

Description

Camera module and vehicle-mounted equipment and electronic equipment with the same

Technical field

The present invention relates to the field of optical imaging technology, and in particular to a camera module and vehicle-mounted equipment and electronic equipment having the same.

Background technique

In the related art, the light homogenizing sheet used at the transmitting end of the camera module is a glass sheet with a light-coating function fixed on the bracket. However, with this structure, after the homogenization sheet is damaged, the light emitted by the laser emitter located at the bottom of the homogenization sheet will directly shoot to the outside, which is likely to cause damage to human eyes. In addition, the angle of the light emitted by the laser transmitter after passing through the homogenizing sheet is relatively large, so that the receiving end receives less energy, resulting in a relatively short test distance of the camera module, which limits the detection of distant objects, and increases High optical power will bring safety risks to the human eye. At the same time, the light emitted by the laser transmitter covers the receiving end with a small angle of view, which affects the depth and accuracy of the camera module.

Summary of the invention

The present invention aims to solve at least one of the technical problems existing in the prior art. To this end, an object of the present invention is to provide a camera module, which prevents light from directly irradiating human eyes and causing damage to human eyes, and enhances the heat dissipation effect of the emitting end assembly.

Another object of the present invention is to provide a vehicle-mounted device with the above-mentioned camera module.

Another object of the present invention is to provide an electronic device with the above-mentioned camera module.

The camera module according to the embodiment of the first aspect of the present invention includes: a receiving end assembly; A light exit hole is formed on the support; the emitting end assembly further includes a prism, the prism and the laser transmitter are both arranged in the support, the prism has an incident surface and an exit surface, and the exit surface is connected to the The light exit hole is opposite, the laser transmitter is arranged adjacent to the incident surface to emit the light emitted by the laser transmitter through the incident surface and the exit surface from the light exit hole, and the laser transmitter It is located outside the orthographic projection area of the light exit hole along the direction of the central axis of the light exit hole.

According to the camera module of the embodiment of the present invention, by arranging a prism in the emitting end assembly, and the laser transmitter is located outside the orthographic projection area of the light exit hole along the direction of the center axis of the light exit hole, the prism can be The bending and reflection treatment is carried out to avoid direct light irradiating to the human eye, causing damage to the human eye, and also to avoid the impact of the light emitted by the laser transmitter on the human eye after the prism is damaged. Install the laser transmitter on the bracket, so that the bracket can dissipate heat from the main heating parts of the laser transmitter, and effectively ensure the normal operation of the laser transmitter and image sensor, so as to ensure the normal operation of the camera module.

According to some embodiments of the present invention, at least one of the incident surface, the exit surface, and the light exit hole of the prism is provided with a light homogenizing member. As a result, the light emitted by the laser transmitter enters the prism through the homogenizing member, and the uniformity of the light on the prism is ensured.

According to some embodiments of the present invention, the light homogenizing member is a light homogenizing sheet or a light homogenizing film attached to the incident surface. This arrangement has a simple structure, is easy to install, and reduces costs.

According to some embodiments of the present invention, the prism is pivotally connected to the support, so that the prism covers the entire field of view of the receiving end in a scanning manner. The prism can be pivoted to expand the light emitting angle of the laser transmitter, thereby increasing the optical power per unit area. In addition, the light refracted by the prism can cover the entire field of view of the receiving end assembly, ensuring that the light is at the same optical power. In this case, the detection depth and accuracy of the camera module can be effectively improved, and the risk of damage to human eyes under the condition of high optical power is reduced.

According to some embodiments of the present invention, it further includes a driving chip; the bracket is provided with a Hall device, the Hall device is in communication with the driving chip, and the Hall device is used to sense the position information of the prism And send the location information to the drive chip. After the Hall device senses the position reached by the rotation of the prism, it transmits the data to the driving chip, so that the driving chip can accurately position the prism so that the light refracted by the prism can cover the entire field of view of the receiving end assembly.

According to some embodiments of the present invention, a coil is wound around the Hall device, the coil is electrically connected to the driving chip, and a magnet is provided at a position of the prism adjacent to the coil. When the camera module is working, the drive chip controls the coil to be energized, and the energized coil acts electromagnetically with the magnet to drive the prism to rotate.

According to some embodiments of the present invention, the camera module further includes a housing, and the transmitting end assembly further includes a main circuit board, the main circuit board is provided on the housing, and the main circuit board is powered on. A circuit board is connected, one end of the circuit board extends into the bracket, and the laser transmitter is arranged on the circuit board. This arrangement effectively ensures the electrical connection between the internal parts of the receiving end assembly and the internal parts of the transmitting end assembly and the main circuit board, respectively.

According to some embodiments of the present invention, a substrate is provided between the laser transmitter and the circuit board, and the laser transmitter is connected to the substrate by a gold wire. As a result, the electrical connection between the laser transmitter and the circuit board is ensured, and the heat dissipation effect of the laser transmitter is further enhanced.

According to some embodiments of the present invention, the substrate is a ceramic substrate or a copper substrate. The ceramic substrate has the characteristics of high thermal conductivity, high insulation, strong bonding force and excellent thermal cycling performance. The copper substrate has the characteristics of high thermal conductivity and high temperature resistance. Regardless of whether the substrate is a ceramic substrate or a copper substrate, the heat dissipation effect of the laser transmitter can be further enhanced.

According to some embodiments of the present invention, the receiving end component includes a lens, and the lens is configured to receive light reflected by the target object. As a result, the lens can receive the light reflected by the target, and measure the distance by measuring the transmission time of the light between the lens and the target, so that a depth map can be measured by measuring multiple lights, and 3D depth sensing can be achieved.

The vehicle-mounted device according to the embodiment of the second aspect of the present invention includes the camera module according to the embodiment of the first aspect of the present invention.

According to the vehicle-mounted device of the embodiment of the present invention, the imaging quality of the vehicle-mounted device is enhanced by adopting the camera module of the embodiment of the first aspect of the present invention, and the safety of the vehicle during driving is improved.

The electronic device according to the embodiment of the third aspect of the present invention includes the camera module according to the embodiment of the first aspect of the present invention.

According to the electronic device of the embodiment of the present invention, by adopting the imaging device of the embodiment of the second aspect of the present invention, the heat dissipation effect of the electronic device is improved, which facilitates the automated production of the electronic device.

The additional aspects and advantages of the present invention will be partially given in the following description, and some will become obvious from the following description, or be understood through the practice of the present invention.

Description of the drawings

The above and/or additional aspects and advantages of the present invention will become obvious and easy to understand from the description of the embodiments in conjunction with the following drawings, in which:

Fig. 1 is a schematic diagram of a camera module according to an embodiment of the present invention;

Fig. 2 is a partial enlarged view of the camera module shown in Fig. 1;

3 is a schematic diagram of the field of view area of the transmitting end assembly of the camera module according to an embodiment of the present invention;

Fig. 4 is a top view of a transmitting end assembly of a camera module according to an embodiment of the present invention.

Reference signs:

100: camera module;

1: Receiver component; 11: lens; 12: filter; 13: image sensor; 14: housing;

2: Transmitter component; 21: Hall device; 22: Coil; 23: Magnet; 24: Prism;

241: incident surface; 242: exit surface; 25: homogenizing part; 26: laser transmitter;

27: substrate; 28: bracket; 281: light exit hole; 29: circuit soft board;

30: circuit board; 31: laser driver chip; 32: driver chip; 33: connecting arm;

34: gold wire; 35: rotating shaft; 4: main circuit board; 5: connector; 6: solder.

detailed description

The embodiments of the present invention are described in detail below. Examples of the embodiments are shown in the accompanying drawings, in which the same or similar reference numerals indicate the same or similar elements or elements with the same or similar functions. The embodiments described below with reference to the drawings are exemplary, and are only used to explain the present invention, but should not be construed as limiting the present invention.

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

It should be noted that the terms "first" and "second" are only used for descriptive purposes, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of indicated technical features. Therefore, the features defined with "first" and "second" may explicitly or implicitly include one or more of these features. Further, in the description of the present invention, unless otherwise specified, "plurality" means two or more.

The embodiments of the present invention will be described in detail below. The embodiments described with reference to the accompanying drawings are exemplary. The embodiments of the present invention will be described in detail below.

The camera module 100 according to an embodiment of the present invention will be described below with reference to FIGS. 1 to 4.

As shown in FIGS. 1 to 4, the camera module 100 according to the embodiment of the first aspect of the present invention includes a receiving end assembly 1 and a transmitting end assembly 2.

Specifically, the transmitting end assembly 2 and the receiving end assembly 1 are arranged side by side. The transmitting end assembly 2 includes a bracket 28, a prism 24, and a laser transmitter 26. The bracket 28 is formed with a light exit hole 281, and the prism 24 and the laser transmitter 26 are both provided. In the bracket 28, the prism 24 has an incident surface 241 and an exit surface 242. The exit surface 242 is opposite to the light exit hole 281. The laser transmitter 26 is arranged adjacent to the incident surface 241 to transmit the light emitted by the laser transmitter 26 through the incident surface 241, The exit surface 242 emits from the light exit hole 281, and the laser emitter 26 is located outside the orthographic projection area of the light exit hole 281 along the central axis of the light exit hole 281.

For example, in the example of FIGS. 1 and 2, the transmitting end assembly 2 is provided on the side of the receiving end assembly 1. Specifically, the side of the support 28 of the transmitting end assembly 2 facing the object side is provided with a light exit hole 281, a prism 24 and The laser transmitter 26 is located in the bracket 28. The incident surface 241 and the exit surface 242 of the prism 24 can be perpendicular to each other. The exit surface 242 of the prism 24 is opposite to the light exit hole 281, and the entrance surface 241 is adjacent to the laser transmitter 26, which can effectively ensure that the light refracted by the exit surface 242 can exit the light. The hole 281 shoots out, and the prism 24 and the laser emitter 26 are arranged side by side. Therefore, by using the prism 24, and because the laser transmitter 26 is located outside the orthographic projection area of the light exit hole 281 along the center axis of the light exit hole 281, the prism 24 can bend and reflect the light emitted by the laser transmitter 26 , To prevent the light from directly irradiating the human eye, causing damage to the human eye, and at the same time, avoiding the influence of the light emitted by the laser transmitter 26 on the human eye after the prism 24 is damaged. In addition, by setting the laser transmitter 26 outside the orthographic projection area of the light exit hole 281, the laser transmitter 26 is mounted on the bracket 28. Since the main heat-generating part of the laser transmitter 26 is the bottom of the laser transmitter 26, Compared with the traditional image sensor 13 placed on the same level, the bracket 28 can dissipate the heat of the main heating parts of the laser transmitter 26, which is more conducive to heat dissipation, and effectively ensures the normal operation of the laser transmitter 26 and the image sensor 13 Operation, so that the normal operation of the camera module 100 can be ensured.

According to the camera module 100 of the embodiment of the present invention, by arranging the prism 24 in the emitting end assembly 2 and the laser transmitter 26 is located outside the orthographic projection area of the light exiting hole 281 along the central axis of the light exiting hole 281, the prism 24 can be The light emitted by the laser transmitter 26 is bent and reflected to prevent the light from directly irradiating the human eye and causing damage to the human eye, and at the same time, to avoid the influence of the light emitted by the laser transmitter 26 on the human eye after the prism 24 is damaged. The laser transmitter 26 is installed on the bracket 28 so that the bracket 28 can dissipate heat from the main heating parts of the laser transmitter 26, and at the same time, effectively ensure the normal operation of the laser transmitter 26 and the image sensor 13, thereby ensuring the camera module Group 100 works normally.

According to some embodiments of the present invention, at least one of the incident surface 241, the exit surface 242, and the light exit hole 281 of the prism 24 is provided with a light homogenizing member 25. Wherein, any one of the entrance surface 241, the exit surface 242, and the light exit hole 281 may be provided with a light homogenizing member 25, or any two of the entrance surface 241, the exit surface 242, and the light exit hole 281 may be provided with a light homogenizing member 25. The member 25 (not shown in the figure), or alternatively, a light homogenizing member 25 (not shown in the figure) is provided on the incident surface 241, the exit surface 242, and the light exit hole 281. For example, referring to FIG. 1, the laser emitter 26 is located on the side of the light homogenizing member 25 adjacent to the prism 24. The laser emitter 26 may be opposite to the light homogenizing member 25. 241 enters the prism 24 to ensure the uniformity of light on the incident surface 241 of the prism 34.

In some optional embodiments, the light homogenizing member 25 may be a light homogenizing sheet or a light homogenizing film attached to the incident surface 241. This arrangement has a simple structure, is easy to install, and reduces costs.

According to some embodiments of the present invention, the prism 24 is pivotally connected to the bracket 28 so that the prism 24 covers the entire field of view of the receiving end in a scanning manner. For example, as shown in FIGS. 1 and 2, one side of the prism 24 and the connecting arm 33 on the bracket 28 can be connected by a rotation shaft 35 to realize the pivotability of the prism 24, so that the laser transmitter 26 is converted into a scanning type. Laser transmitter. In this way, by setting the prism 24 in a pivotable form, the emission angle of the light of the laser transmitter 26 can be expanded, thereby increasing the light power per unit area, and the light refracted by the prism 24 can cover the entire receiving end assembly 1 The field of view ensures that the detection depth and accuracy of the camera module 100 can be effectively improved under the same optical power, and at the same time, the risk of damage to human eyes under high optical power is reduced. Optionally, the prism 24 may be engaged with the bracket 28 through gears, so that the prism 24 and the bracket 28 can be pivotally connected.

According to some embodiments of the present invention, the camera module 100 further includes a driving chip 32, the bracket 28 is provided with a Hall device 21, the Hall device 21 is communicatively connected with the driving chip 32, and the Hall device 21 is used to sense the position of the prism 24 Information and position information are sent to the drive chip 32. For example, when the camera module 100 is working, the Hall device 21 is used to sense the position information reached by the rotation of the prism 24, and transmit the position information to the driving chip 32, so that the driving chip 32 performs precise position control on the prism 24, so that the prism 24 The light refracted by 24 can cover the entire field of view of the receiving end assembly 1.

Further, a coil 22 is wound around the Hall device 21, the coil 22 is electrically connected to the driving chip 32, and a magnet 23 is provided at a position adjacent to the coil 22 of the prism 24. For example, referring to Figures 1 and 2, the Hall device 21 is located on the side where the bracket 28 and the rotation axis 35 of the prism 24 are connected, the Hall device 21 can be electrically connected to the circuit soft board 29, and the coil 22 is wound on the Hall device Outside of 21, the side of the prism 24 facing the Hall device 21 is provided with a magnet 23, and the magnet 23 and the Hall device 21 are opposite to each other. When the camera module 100 is working, the driving chip 32 can control the coil 22 to be energized, and the coil 22 and the magnet 23 after the energization act electromagnetically to drive the prism 24 to rotate and complete the preliminary rotation of the prism 24.

Optionally, the driving chip 32 may be a voice coil motor driving chip, a stepped motor chip, a piezoelectric motor chip, etc., but is not limited thereto.

According to a further embodiment of the present invention, the camera module 100 further includes a housing 14, the transmitting end assembly 2 further includes a main circuit board, the main circuit board is arranged on the housing 14, the main circuit board is electrically connected with a circuit board 30, One end of the board 30 extends into the bracket 28, and the laser transmitter 26 is arranged on the circuit board 30. For example, in conjunction with Figures 1 and 2, the main circuit board is electrically connected to the image sensor 13, the drive chip 32, the laser drive chip 31, and the circuit board 30. One end of the circuit board 30 extends into the bracket 28 and is connected to the main circuit board 4. , The other end of the circuit board 30 is connected to the main circuit board 4, and the laser transmitter 26 is connected to the above-mentioned end of the circuit board 30, effectively ensuring that the internal parts of the receiving end assembly 1 and the internal parts of the transmitting end assembly 2 are respectively connected to the main circuit board 4 Electric connection. Wherein, the circuit board 30 can be connected to the main circuit board by means of solder 6, which can improve the efficiency of electronic transmission, facilitate the automated production of the camera module 100, and improve the productivity of the camera module 100.

Furthermore, referring to FIG. 1, a connector 5 is connected to the side of the main circuit board 4 adjacent to the transmitter assembly 2, so that the camera module 100 can be connected to external devices through the connector 5.

In some optional embodiments, a substrate 27 is provided between the laser transmitter 26 and the circuit board 30, and the laser transmitter 26 is connected to the substrate 27 by a gold wire 34. 1, 2 and 4, both ends of the laser transmitter 26 are connected to the substrate 27 by gold wires 34, the substrate 27 can be mounted on the circuit board 30, the substrate 27 is electrically connected to the circuit board 30, and the substrate 27 is provided Between the laser transmitter 26 and the circuit board 30, the electrical connection between the laser transmitter 26 and the circuit board 30 is ensured, and the heat dissipation effect of the laser transmitter 26 is further enhanced, and the transmission efficiency of electrons can be further improved, which is more convenient The automated production of the camera module 100 further improves the productivity of the camera module 100.

Optionally, the substrate 27 is a ceramic substrate or a copper substrate or the like. The ceramic substrate has the characteristics of high thermal conductivity, high insulation, strong bonding force and excellent thermal cycling performance. The copper substrate has the characteristics of high thermal conductivity and high temperature resistance. Regardless of whether the substrate 27 is a ceramic substrate or a copper substrate, the heat dissipation effect of the laser transmitter 26 can be further enhanced.

Optionally, the laser transmitter 26 is parallel to the optical axis of the lens 11. As shown in Figure 1, the image sensor 13 is located directly below the lens 11, the image sensor 13 is arranged horizontally relative to the lens 11, and the laser transmitter 26 is arranged vertically relative to the lens 11, effectively ensuring the image sensor 13 and laser emission The device 26 is located in two different planes in the camera module 100, which reduces the heat dissipation effect of the image sensor 13 and the laser transmitter 26 being in the same plane.

According to some embodiments of the present invention, the receiving end assembly 1 includes a lens 11 for receiving light reflected by a target object. As shown in FIG. 1, the receiving end assembly 1 further includes a filter 12 and an image sensor 13, and the lens 11, the filter 12 and the image sensor 13 of the receiving end assembly 1 are sequentially arranged along the direction from the object side to the image side. When the camera module 100 is working, the light emitted by the laser transmitter 26 reaches the target through the prism 24, the lens 11 receives the light reflected by the target, and the distance is measured by measuring the transmission time of the light between the lens 11 and the target. In this way, a depth map can be measured by measuring multiple rays, and 3D depth sensing can be achieved.

According to some embodiments of the present invention, in conjunction with FIG. 1, the laser transmitter 26 is located on the side of the prism 24 away from the receiving end assembly 1. By arranging the laser transmitter 26 on the side of the prism 24 far away from the receiving end assembly 1, the receiving end assembly 1 and the laser transmitter 26 are separated by a longer distance, ensuring the heat dissipation effect of the receiving end assembly 1 and the transmitting end assembly 2 .

According to the camera module 100 of the embodiment of the present invention, when the camera module 100 performs distance detection, the laser driving chip 31 controls the laser transmitter 26 to emit modulated light, and the light is emitted to the prism 24 with the light homogenizing member 25 On the measured object, the light reflected by the measured object reaches the image sensor 13 through the lens 11 and the filter 12, and the original data for calculating the distance information of the measured object can be obtained through the processing of the image sensor 13. While the camera module 100 is performing the distance detection process, the drive chip 32 controls the coil 22 to be energized. The coil 22 and the magnet 23 after the energization act electromagnetically to drive the prism 24 to rotate. The Hall device 21 senses the position reached by the prism 24 when it rotates. After that, the position data of the prism 24 is transferred to the driving chip 32, and then the driving chip 32 performs precise position control on the prism 24, thereby completing the rotation of the prism 24, so that the light emitted by the laser transmitter 26 can cover the entire receiving end assembly 1. Angle of view.

The vehicle-mounted device according to the embodiment of the second aspect of the present invention includes the camera module 100 according to the above-mentioned embodiment of the first aspect of the present invention.

According to the vehicle-mounted device of the embodiment of the present invention, the imaging quality of the vehicle-mounted device is enhanced by adopting the camera module 100 of the above-mentioned embodiment of the first aspect of the present invention, and the safety of the vehicle during driving is improved.

The electronic device according to the embodiment of the third aspect of the present invention includes the camera module 100 according to the above-mentioned embodiment of the first aspect of the present invention.

According to the electronic device of the embodiment of the present invention, by adopting the camera module 100 of the above-mentioned embodiment of the first aspect of the present invention, the heat dissipation effect of the electronic device is improved, and the automatic production of the electronic device is facilitated.

Alternatively, the electronic device may be any of various types of computer system devices that are mobile or portable and perform wireless communication. Specifically, the electronic device may be a mobile phone or a smart phone (for example, a phone based on iPhoneTM, AndroidTM), a portable game device (for example, Nintendo DSTM, Play Station PortableTM, Game-boy AdvanceTM, iPhoneTM), Laptops, PDAs, portable Internet devices, music players, and data storage devices, other handheld devices, such as watches, earphones, pendants, headsets, etc., electronic devices can also be other wearable devices (such as , Head-mounted devices (HMD) such as electronic glasses, electronic clothes, electronic bracelets, electronic necklaces, electronic tattoos or smart watches).

Optionally, the electronic device may also be any one of multiple electronic devices, including but not limited to cellular phones, smart phones, other wireless communication devices, personal digital assistants, audio players, other media players, Music recorders, video recorders, cameras, other media recorders, radios, medical equipment, vehicle transportation equipment, calculators, programmable remote controls, pagers, laptop computers, desktop computers, printers, netbook computers, personal digital assistants (PDAs) ), portable multimedia players (PMP), moving picture experts group (MPEG-1 or MPEG-2) audio layer (MP3) players, portable medical equipment, digital cameras and combinations thereof. In some cases, electronic devices can perform multiple functions (for example, play music, display videos, store pictures, and receive and send phone calls). If desired, the electronic device may be a portable device such as a cell phone, media player, other handheld device, wrist watch device, pendant device, earpiece device, or other compact portable device.

The other configurations and operations of any one or any of any one of multiple electronic devices in various types of computer system devices that are mobile or portable and perform wireless communication according to the embodiments of the present invention are very important to those of ordinary skill in the art. The language is known and will not be described in detail here.

Other configurations and operations of the electronic device according to the embodiments of the present invention are known to those of ordinary skill in the art, and will not be described in detail here.

In the description of this specification, the description with reference to the terms "one embodiment", "some embodiments", "exemplary embodiments", "examples", "specific examples", or "some examples" etc. means to incorporate the implementation The specific features, structures, materials, or characteristics described by the examples or examples are included in at least one embodiment or example of the present invention. In this specification, the schematic representations of the above-mentioned terms do not necessarily refer to the same embodiment or example. Moreover, the described specific features, structures, materials or characteristics can be combined in any one or more embodiments or examples in a suitable manner.

Although the embodiments of the present invention have been shown and described, those of ordinary skill in the art can understand that various changes, modifications, substitutions and modifications can be made to these embodiments without departing from the principle and purpose of the present invention. The scope of the present invention is defined by the claims and their equivalents.

Claims

A camera module includes:

Receiver component;

A transmitting end assembly, the transmitting end assembly and the receiving end assembly are arranged side by side, the transmitting end assembly includes a bracket and a laser transmitter, and a light exit hole is formed on the bracket;

It is characterized in that, the emitting end assembly further includes a prism, the prism and the laser transmitter are both arranged in the bracket, the prism has an incident surface and an emitting surface, and the emitting surface is opposite to the light emitting hole The laser transmitter is arranged adjacent to the incident surface to emit the light emitted by the laser transmitter through the incident surface and the exit surface from the light exit hole, and the laser transmitter is located at the light exit The hole is outside the orthographic projection area along the direction of the central axis of the light exit hole.
The camera module of claim 1, wherein at least one of the incident surface, the exit surface, and the light exit hole of the prism is provided with a homogenizing member.
The camera module according to claim 2, wherein the homogenizing member is a homogenizing sheet or a homogenizing film attached to the incident surface.
The camera module according to claim 1, wherein the prism is pivotally connected to the bracket, so that the prism covers the entire field of view of the receiving end in a scanning manner.
The camera module of claim 1, further comprising a driving chip;

The bracket is provided with a Hall device, the Hall device is communicatively connected with the driving chip, and the Hall device is used for sensing the position information of the prism and sending the position information to the driving chip.
The camera module of claim 5, wherein:

A coil is wound around the Hall device, the coil is electrically connected to the driving chip, and a magnet is provided at a position adjacent to the coil of the prism.
The camera module according to any one of claims 1-6, further comprising a housing;

The transmitter component further includes:

A main circuit board, the main circuit board is arranged on the housing, a circuit board is electrically connected to the main circuit board, the circuit board is perpendicular to the main circuit board, and one end of the circuit board extends into In the bracket, the laser transmitter is arranged on the circuit board.
7. The camera module of claim 7, wherein a substrate is provided between the laser transmitter and the circuit board, and the laser transmitter is connected to the substrate by a gold wire.
The camera module according to claim 8, wherein the substrate is a ceramic substrate or a copper substrate.
The camera module according to claim 1, wherein the receiving end component comprises a lens, and the lens is used for receiving light reflected by a target object.
A vehicle-mounted device, characterized by comprising the camera module according to any one of claims 1-10.
An electronic device, characterized by comprising the camera module according to any one of claims 1-10.