Light source device, 3D camera, and terminal

Abstract

The present disclosure provides a light source device, a 3D camera and a terminal, and relates to the technical field of optical devices. The light source device comprises a shell and a collimating lens assembly. The shell has a light source channel penetrating through the shell. The collimating lens assembly is installed in the light source channel, and the collimating lens assembly comprises a tubular lens seat and an elastically deformable first damping ring. A first annular groove is formed around the lens seat on the outer wall of the lens seat, and the lens seat comprises a threaded portion and a positioning portion arranged coaxially. The threaded portion is used for threaded cooperation with the inner wall of the light source channel, and the positioning portion is used for surface contact with the inner wall of the light source channel. The first damping ring is sleeved on the lens seat, and part of the first damping ring is embedded in the first annular groove and used for abutting against the inner wall of the light source channel. The terminal comprises a fixing seat and the light source device. Through the first damping ring and the positioning portion, the shape deviation of the light emitted by the high light source device is reduced.

Description

TECHNICAL FIELD

[0001] The present disclosure relates to a light source device, a 3D camera and a terminal, and belongs to the technical field of optical devices. BACKGROUND

[0002] With the popularization of laser applications, the requirements for lasers in various fields are gradually increasing from the application perspective. For example, it is required to output laser in a fixed shape or to project laser onto a certain plane with an energy value of no less than a certain value. For example, in the field of laser scanning imaging, it is required to output laser in a linear segment of a line shape to meet the use requirements.

[0003] In the related art, a Powell prism, a collimating lens and a laser diode of a laser device are arranged in sequence along an optical path direction. Laser emitted by the laser diode passes through the collimating lens and the Powell prism in sequence, and the laser device can output laser in a line shape.

[0004] However, the shape of laser emitted by the laser device in the related art deviates greatly, which cannot meet the use requirements. SUMMARY

[0005] The present disclosure provides a light source device, a 3D camera and a terminal, which solve the problem of great shape deviation of laser emitted by a laser device in the prior art.

[0006] In a first aspect, the present disclosure provides a light source device, comprising: a housing and a collimating lens assembly;

[0007] The housing has a light source channel passing through the housing;

[0008] The collimating lens assembly is installed in the light source channel, and the collimating lens assembly comprises a tubular lens seat and an elastically deformable first damping ring;

[0009] The lens seat is used for installing a collimating lens, a first annular groove surrounding the lens seat is formed on an outer wall of the lens seat, and the lens seat comprises a threaded portion and a positioning portion arranged coaxially;

[0010] The threaded portion is used for threadedly cooperating with an inner wall of the light source channel, and the positioning portion is used for contacting the inner wall surface of the light source channel;

[0011] The first damping ring is sleeved on the lens seat, and part of the first damping ring is embedded in the first annular groove and used for abutting against the inner wall of the light source channel.

[0012] In a possible implementation, the lens seat further comprises: an intermediate portion;

[0013] The intermediate part is fixedly connected with the connecting end of the threaded part and the connecting end of the positioning part respectively, and the outer diameter of the intermediate part is smaller than the outer diameter of the positioning part and the outer diameter of the threaded part and defines a second annular groove together with the positioning part and the threaded part.

[0014] In a possible implementation, the first annular groove is arranged on the outer wall of the positioning part, or the first annular groove is arranged on the outer wall of the threaded part.

[0015] In a possible implementation, the first damping ring is a rubber damping ring, a silica gel damping ring, a fluorine gel damping ring or a foam damping ring.

[0016] In a possible implementation, the light source assembly further comprises a fixing assembly and a fastening assembly;

[0017] The fixing assembly comprises a fixing plate and a mounting seat;

[0018] The mounting seat is located in the light source channel and has a mounting through hole penetrating through the mounting seat, and the mounting seat is located between the fixing plate and the collimating lens assembly;

[0019] Part of the light source generator is mounted in the mounting through hole, and opposite ends of the light source generator are in abutment with the mounting seat and the fixing plate respectively;

[0020] The fastening assembly is used for fixedly connecting the fixing plate and the mounting seat and for fixedly connecting the fixing assembly and the shell.

[0021] In a possible implementation, the mounting through hole comprises coaxially arranged first and second through hole segments; the inner wall of the first through hole segment and the inner wall of the second through hole segment jointly define a stepped surface in abutment with the light source generator.

[0022] In a possible implementation, the light source assembly further comprises a second elastic deformation damping ring;

[0023] A third annular groove surrounding the light source generator is arranged on the outer wall of the mounting seat;

[0024] The second damping ring is sleeved on the mounting seat, and part of the second damping ring is embedded in the third annular groove and in abutment with the inner wall of the light source channel.

[0025] In a possible implementation, the second damping ring is a rubber damping ring, a silica gel damping ring, a fluorine gel damping ring or a foam damping ring.

[0026] In a possible implementation, the fixing plate is provided with a receiving groove on an end face away from the mounting base.

[0027] In a possible implementation, the temperature measuring chip is located in the receiving groove and in contact with the fixing plate.

[0028] In a possible implementation, the mounting base comprises a tubular portion and an abutting portion; the abutting portion is arranged on the tubular portion and used for abutting against an inner wall of the light source channel; and an inner wall of the tubular portion defines the mounting through hole.

[0029] In a possible implementation, the fixing plate comprises a main body portion and an indicating portion; the main body portion is used for abutting against the light source generator; and the indicating portion is arranged on a side wall of the main body portion and used for cooperating with an indicating scale line arranged on the shell.

[0030] In a possible implementation, the main body portion is located in the light source channel, and the shell is provided with an indicating notch for inserting the indicating portion.

[0031] In a possible implementation, the fixing plate is fastened to the mounting base by the fastening assembly, and the circuit board is arranged on the fixing plate and provided with a rod-shaped portion inserted into a positioning hole arranged on the circuit board.

[0032] In a possible implementation, the fastening assembly comprises a first fastener and a second fastener; the first fastener is used for fastening the fixing plate and the mounting base to make the light source generator abut against the fixing plate and the mounting base respectively; and the second fastener is used for fastening the fixing assembly to the shell.

[0033] In a possible implementation, the light source device is a laser.

[0034] In a second aspect, the present disclosure provides a 3D camera, comprising a fixing seat and the light source device according to any one of the first aspect; the light source device is mounted on the fixing seat.

[0035] In a third aspect, the present disclosure provides a terminal, comprising the light source device according to any one of the first aspect or the 3D camera according to the second aspect.

[0036] In a possible implementation, the terminal is a robot.

[0037] The light source device, the 3D camera and the terminal provided by the present disclosure at least comprise a housing and a collimating lens assembly; the housing has a light source channel penetrating through the housing; the collimating lens assembly is installed in the light source channel, and the collimating lens assembly comprises a tubular lens seat and an elastically deformable first damping ring; the lens seat is used for installing a collimating lens, a first annular groove is formed on the outer wall of the lens seat and surrounds the lens seat, and the lens seat comprises a threaded portion and a positioning portion arranged coaxially; the threaded portion is used for threadedly cooperating with the inner wall of the light source channel, and the positioning portion is used for surface contact with the inner wall of the light source channel; the first damping ring is sleeved on the lens seat, and part of the first damping ring is embedded in the first annular groove and is used for abutting against the inner wall of the light source channel. The threaded portion threadedly cooperates with the inner wall of the light source channel, and the positioning portion surface contacts with the inner wall of the light source channel, which helps to adjust the position of the collimating lens in the light source channel, so that the coaxiality precision can be improved during the assembly and adjustment process, and the position precision of the lens seat can be ensured. In addition, the elastically deformable first damping ring is arranged between the lens seat and the inner wall of the light source channel, which can improve the stability of the movement of the lens seat during the focusing process, so that the focusing process is stable. Therefore, through the cooperation of the positioning portion and the first damping ring, the coaxiality precision and stability of the lens seat during the assembly and adjustment process are high, so that the shape deviation of the light emitted by the light source device can be reduced, the quality of the light emitted by the light source device can be improved, and the use requirements of the user can be met. BRIEF DESCRIPTION OF DRAWINGS

[0038] The above and other objects, features and advantages of the embodiments of the present disclosure will become more apparent from the following detailed description thereof taken in conjunction with the accompanying drawings. In the drawings, embodiments of the present disclosure are illustrated by way of example and not limitation in the accompanying drawings in which:

[0039] Figure 1 A perspective view of the light source device provided by the present disclosure;

[0040] Figure 2 A sectional view of the light source device provided by the present disclosure;

[0041] Figure 3 A perspective view of the housing provided by the present disclosure;

[0042] Figure 4 A perspective view of the lens seat provided by the present disclosure;

[0043] Figure 5 A perspective view of the light source assembly provided by the present disclosure;

[0044] Figure 6 A sectional view of the light source assembly provided by the present disclosure;

[0045] Figure 7 A perspective view of the mounting seat at a first angle provided by the present disclosure;

[0046] Figure 8 A perspective view of the mounting seat provided for the present disclosure at a second angle;

[0047] Figure 9 A perspective view of the fixing plate provided for the present disclosure;

[0048] Figure 10 A perspective view of the circuit board provided for the present disclosure;

[0049] Figure 11 A sectional view of the housing provided for the present disclosure.

[0050] Reference signs:

[0051] 100, light source device;

[0052] 110, housing; 111, light source channel; 1111, first channel segment; 1112, second channel segment; 1113, third channel segment; 1114, fourth channel segment; 1115, fifth channel segment; 112, glue injection hole;

[0053] 120, collimating lens assembly;

[0054] 121, lens seat; 1211, threaded portion; 1212, positioning portion; 1213, intermediate portion; 1214, first annular groove; 1215, second annular groove;

[0055] 122, first damping ring;

[0056] 130, light source assembly;

[0057] 131, light source generator; 1311, body portion; 1312, electrode portion;

[0058] 132, fixing assembly;

[0059] 1321, fixing plate; 13211, accommodating groove; 13212, body portion; 13213, indicating portion;

[0060] 1322, mounting seat;

[0061] 13221, mounting through hole; 132211, first through hole segment; 132212, second through hole segment;

[0062] 13222, tubular portion; 13223, abutting portion;

[0063] 13224, first filling portion; 13225, second filling portion;

[0064] 133, fastening assembly; 1331, first fastener; 1332, second fastener;

[0065] 134. second damping ring;

[0066] 135. third annular groove;

[0067] 136. arc-shaped through hole;

[0068] 140. circuit board; 141. temperature measurement chip; 142. positioning hole;

[0069] 150. Powell prism assembly. DETAILED DESCRIPTION

[0070] Embodiments of the present disclosure are described in detail below with reference to the accompanying drawings, examples of which are shown in the drawings, wherein the same or similar notations represent the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the accompanying drawings are exemplary and are intended to explain the present disclosure, and cannot be understood as a limitation of the present disclosure.

[0071] In the description of the present disclosure, it should be understood that the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for the purpose of facilitating the description of the present disclosure and simplifying the description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation of the present disclosure.

[0072] In addition, the terms "first", "second" are only for descriptive purposes and cannot be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Therefore, the features defined with "first", "second" can explicitly or implicitly include at least one of the features. In the description of the present disclosure, the meaning of "a plurality of" is at least two, for example, two, three, etc., unless otherwise explicitly specified and limited.

[0073] In the present disclosure, unless otherwise explicitly specified and limited, the terms "mounting", "connection", "connection", "fixing" and the like should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or it can be integrated; it can be directly connected, or it can be indirectly connected through an intermediate medium; it can be the internal communication of two elements or the interaction relationship between two elements, unless otherwise explicitly limited. For those skilled in the art, the specific meaning of the above terms in the present disclosure can be understood according to the specific circumstances.

[0074] In the present disclosure, unless specifically defined and limited otherwise, a first feature is "on" or "under" a second feature can mean that the first and second features are in direct contact, or the first and second features are in indirect contact with an intermediate medium. Moreover, the first feature "over", "above" and "on top of" the second feature can mean that the first feature is directly above or obliquely above the second feature, or simply means that the first feature is horizontally higher than the second feature. The first feature "under", "below" and "underneath" the second feature can mean that the first feature is directly below or obliquely below the second feature, or simply means that the first feature is horizontally lower than the second feature.

[0075] In the description of the present specification, the description of the terms "one embodiment", "some embodiments", "an example", "a specific example", or "some examples" and the like means that the specific features, structures, materials or characteristics described in connection with the embodiment or example are included in at least one embodiment or example of the present disclosure. In the present specification, the illustrative description of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any appropriate manner in any one or more embodiments or examples. In addition, the person skilled in the art can combine and combine the different embodiments or examples described in the present specification and the features of the different embodiments or examples without contradiction.

[0076] In the related art, the Powell prism, the collimating lens and the collimating lens of the laser are arranged in sequence along the light path direction, and the laser emitted by the laser diode passes through the collimating lens and the Powell prism in sequence, and the laser can output a linear laser. The forming process of the linear laser is: the emitted laser forms two rod-shaped light spots after passing through the collimating lens, and the two rod-shaped light spots form a linear laser after passing through the Powell prism. However, due to the deviation between the actual position of the collimating lens and the predetermined position, the actual shape of the laser is thin at one end and thick at the other end, in other words, the actual shape of the laser is similar to an isosceles trapezoid, and the preset shape of the laser is a rectangle, therefore, the shape deviation of the laser emitted by the laser is large, which cannot meet the use requirements.

[0077] After careful analysis, the inventors of the present disclosure believe that the main reason for the above problems is that the laser emitted by the laser depends on the position accuracy of the collimating lens, and the position accuracy of the collimating lens depends on the lens seat bearing the collimating lens. The lens seat is a hollow structure, the collimating lens is installed in the lens seat, in addition, the outer wall of the lens seat is provided with external threads and is used in threaded cooperation with the light source channel of the shell, so that the position of the collimating lens in the light source channel is variable to achieve focusing. However, due to the threaded cooperation between the lens seat and the inner wall of the light source channel, the coaxiality and stability of the lens seat during the adjustment process are low, which leads to a large deviation between the actual position of the lens seat after installation and the predetermined position, thereby affecting the quality of the laser emitted by the laser. Among them, the coaxiality indicates the position of the lens seat in the light source channel, the stability indicates the index that the position of the lens seat does not change during the focusing process of the collimating lens, and the adjustment process refers to the process of installing the lens seat into the light source channel and adjusting the collimating lens.

[0078] Therefore, the present disclosure provides a light source device, the lens seat of the light source device has a coaxially arranged threaded portion and a positioning portion, the threaded portion is used for threaded cooperation with the inner wall of the light source channel, so that the lens seat can move in the light source channel to meet the focusing requirement of the collimating lens, and the positioning portion is in surface contact with the inner wall of the light source channel, so as to improve the coaxiality accuracy of the lens seat during the adjustment process. In addition, the positioning portion and the threaded portion cooperate with each other, which is helpful to further improve the coaxiality accuracy of the lens seat during the adjustment process. In addition, the present disclosure further provides a first damping ring elastically deformable and sleeved on the lens seat, the first damping ring is respectively in abutment with the inner wall of the light source channel and the lens seat, so as to apply a damping force to the lens seat during the adjustment process, which is helpful to improve the stability of the lens seat, stabilize the focusing process, and improve the focusing accuracy and consistency.

[0079] It should be noted that the lens seat and the first damping ring provided by the present disclosure can be applied to any structure with coaxiality requirement, and will not be specifically described here, for example, two lenses arranged along the optical axis direction are focused. In addition, the light emitted by the light source device can be laser or visible light, and the color of the laser or visible light can be red, blue or green. When the light emitted by the light source device is laser, the light source device can be referred to as a laser.

[0080] The light source device, 3D camera and terminal provided by the present disclosure will be described in detail below taking the light source device as a laser as an example and in combination with specific embodiments.

[0081] Figure 1 A perspective view of the light source device provided by the present disclosure. Figure 2 A sectional view of the light source device provided by the present disclosure. Figure 3 A perspective view of the shell provided by the present disclosure. Figure 4A perspective view of the lens holder provided by the present disclosure.

[0082] As shown in Figure 1 and Figure 2 , the present disclosure provides a light source device 100, which at least comprises a housing 110 and a collimating lens assembly 120. Wherein, the housing 110 is used to carry the collimating lens assembly 120, the Powell prism assembly 150 and the light source assembly 130 and other components. As shown in Figure 3 , the housing 110 has a light source passage 111 through the housing 110, in other words, the housing 110 is a hollow structure, which is arranged in this way, on the one hand, it can accommodate the collimating lens assembly 120, part of the Powell prism assembly 150 and part of the light source assembly 130, so that the collimating lens assembly 120, the Powell prism assembly 150 and the light source assembly 130 are arranged in sequence along the axial direction of the light source passage 111, on the other hand, it can protect the collimating lens assembly 120, the Powell prism assembly 150 and the light source assembly 130, and can reduce the size of the light source device 100.

[0083] It should be noted that the shape of the housing 110 can be circular, prismatic and the like, which is not limited here. For example, referring to Figure 3 , the shape of the housing 110 is a cuboid.

[0084] Wherein, as shown in Figure 2 , the collimating lens assembly 120 is installed in the light source passage 111, specifically, the collimating lens assembly 120 is located between the light source assembly 130 and the Powell prism assembly 150. The collimating lens assembly 120 comprises a tubular lens holder 121 and a first elastic damping ring 122. The inner wall of the lens holder 121 defines a through hole for installing a collimating lens, so that the collimating lens can be installed in the light source passage 111 through the lens holder 121. The lens holder 121 comprises a threaded portion 1211 and a positioning portion 1212 coaxially arranged. The threaded portion 1211 is used to threadedly cooperate with the inner wall of the light source passage 111, so that by rotating the lens holder 121, the collimating lens can be moved along the axial direction of the light source passage 111 to change the position of the collimating lens in the light source passage 111, thereby achieving focusing. The positioning portion 1212 is used to contact the inner wall of the light source passage 111, which can increase the positioning area of the lens holder 121 and help to further improve the coaxiality of the lens holder 121 during adjustment.

[0085] It can be understood that the longitudinal section of the light source passage 111 and the threaded portion 1211 and the positioning portion 1212 is circular to ensure that the lens holder 121 can rotate around its rotation axis, therefore, the outer shape of the threaded portion 1211 and the positioning portion 1212 is cylindrical, in other words, the positioning portion 1212 can be equivalent to an optical axis, and the threaded portion 1211 can be equivalent to a screw rod.

[0086] It should be noted that the threaded portion 1211 and the positioning portion 1212 can be an integral structure or detachable connection, for example, in the present disclosure, the threaded portion 1211 and the positioning portion 1212 are an integral structure, which can improve the connection strength of the threaded portion 1211 and the positioning portion 1212 on the one hand, and can improve the manufacturing efficiency of the lens seat 121 on the other hand.

[0087] As shown in Figure 2 and Figure 4 , the outer wall of the lens seat 121 is provided with a first annular groove 1214 surrounding the lens seat 121, in other words, the first annular groove 1214 surrounds the collimating lens. The first damping ring 122 is sleeved on the lens seat 121, and part of the first damping ring 122 is embedded in the first annular groove 1214 and used to abut against the inner wall of the light source channel 111, so that during the adjustment process, a damping force can be applied to the lens seat 121 through the first damping ring 122, which can improve the stability of the lens seat 121, and help to avoid the change of the position of the lens seat 121, thereby improving the focusing accuracy and consistency.

[0088] It should be noted that since the first damping ring 122 is sleeved on the lens seat 121, the stability of the lens seat 121 during the adjustment process can be improved, correspondingly, the adjustment difficulty of the lens seat 121 is reduced, which helps to improve the production efficiency of the light source device 100.

[0089] In some possible implementation manners, as shown in Figure 4 , the lens seat 121 further comprises: an intermediate portion 1213. Wherein, the opposite ends of the intermediate portion 1213 are respectively fixedly connected with the connecting end of the threaded portion 1211 and the connecting end of the positioning portion 1212, and the outer diameter of the intermediate portion 1213 is smaller than the outer diameters of the positioning portion 1212 and the threaded portion 1211 and cooperates with the positioning portion 1212 and the threaded portion 1211 to define a second annular groove 1215. In this way, the fastening effect of the lens seat 121 and the shell 110 can be improved.

[0090] The outer wall of the shell 110 is provided with a glue injection hole 112 communicating with the light source channel 111, and when the position of the lens seat 121 in the light source channel 111 is adjusted, the lens seat 121 and the light source channel 111 can be glued through the glue injection hole 112 to fix the lens seat 121 and the shell 110. The glue injected from the glue injection hole 112 is divided into two parts, one part is located in the second annular groove 1215, and the other part is located between the lens seat 121 and the light source channel 111. Due to the arrangement of the second annular groove 1215, the injected glue is clamped with the lens seat 121 and can improve the contact area between the glue and the lens seat 121, thereby improving the fastening effect of the lens seat 121 and the shell 110.

[0091] In some examples, as shown in Figure 2 The inner wall of the part of the light source channel 111 matched with the lens seat 121 defines a stepped surface, which can be matched with the glue injection joint between the lens seat 121 and the light source channel 111, so as to improve the fastening effect of the lens seat 121 and the light source channel 111, and improve the position accuracy of the lens seat 121 in the light source channel 111.

[0092] In some possible embodiments, the first annular groove 1214 can be arranged on the outer wall of the positioning part 1212 (for example Figure 4 As shown in the figure), or the first annular groove 1214 can be arranged on the outer wall of the threaded part 1211 (not shown in the figure), so that the first damping ring 122 can be in contact with the inner wall of the light source channel 111.

[0093] It can be understood that when the first annular groove 1214 is arranged on the outer wall of the positioning part 1212, the resistance between the first damping ring 122 and the light source channel 111 can be reduced, and the first damping ring 122 can be prevented from being damaged.

[0094] It should be noted that the first annular part can also be arranged on the intermediate part 1213 in addition to being arranged on the positioning part 1212 and the threaded part 1211, which is not limited here.

[0095] In some possible embodiments, the first damping ring 122 is made of a material that can be elastically deformed, so as to exert a damping force on the lens seat 121 during assembly, for example, the first damping ring can be a rubber damping ring, a silica gel damping ring, a fluorine gel damping ring or a foam damping ring.

[0096] Figure 5 A perspective view of the light source assembly provided by the present disclosure. Figure 6 A sectional view of the light source assembly provided by the present disclosure.

[0097] In the present embodiment, since the light source device 100 is a laser, the light emitted by the light source device 100 is laser light, and the shape of the laser light can also be adjusted by adjusting the position of the light source generator 131 to reduce the shape deviation of the laser light, for example, in some possible embodiments, as shown in Figure 5 and Figure 6As shown, the light source device 100 can further include a light source assembly 130 comprising at least a light source generator 131, a fixing assembly 132, and a fastening assembly 133. The fixing assembly 132 is configured to fix the light source generator 131. Specifically, the fixing assembly 132 can include a fixing plate 1321 and a mounting seat 1322. The mounting seat 1322 is located in the light source channel 111 and has a mounting through hole 13221 penetrating through the mounting seat 1322. The mounting seat 1322 is located between the fixing plate 1321 and the collimating lens assembly 120.

[0098] In the present disclosure, the light source generator 131 is configured to emit a laser beam, such as Figure 6 As shown, part of the light source generator 131 is mounted in the mounting through hole 13221, and the opposite ends of the light source generator 131 abut against the mounting seat 1322 and the fixing plate 1321, respectively. Thus, the fixing plate 1321 and the mounting seat 1322 fix the light source generator 131. In turn, the light source generator 131 can be rotated by rotating the mounting seat 1322 or the fixing plate 1321 to adjust the angle of the laser beam emitted by the light source generator 131. It should be noted that the light source generator 131 can be any device that can emit laser light, for example, the light source generator 131 can be a laser diode.

[0099] The fastening assembly 133 has two functions. One is to fasten the fixing plate 1321 and the mounting seat 1322, so that the opposite ends of the light source generator 131 abut against the fixing plate 1321 and the mounting seat 1322, respectively. The other is to fasten the fixing assembly 132 and the housing 110.

[0100] When the light source generator 131 needs to be adjusted, the fixing plate 1321 and the mounting seat 1322 are first fastened by the fastening assembly 133, so that the light source generator 131, the fixing plate 1321, and the mounting seat 1322 form an integral whole. Subsequently, the fixing plate 1321 can be rotated to rotate the light source generator 131, thereby achieving the requirement of adjusting the angle of the laser beam. After the adjustment of the light source generator 131 is completed, the fixing assembly 132 and the housing 110 are fastened by the fastening assembly 133, so that the position of the light source generator 131 relative to the housing 110 remains unchanged.

[0101] Since the light source generator 131 abuts against the fixing plate 1321 and the mounting seat 1322, respectively, in other words, the fixing assembly 132 is fastened with the light source generator 131, and the light source generator 131 and the fixing assembly 132 form an integral structure, the light source generator 131 can be rotated by a predetermined angle, which helps to improve the accuracy of adjusting the angle of the laser beam, so that the laser emitted by the light source device 100 meets the use requirements.

[0102] In some examples, as Figure 5As shown, the light source generator 131 includes a plate-shaped body part 1311 and two rod-shaped electrode parts 1312, the first ends of the two electrode parts 1312 are respectively electrically connected to one end of the body part 1311 close to the fixing plate 1321, and the second ends of the two electrode parts 1312 are respectively used for electrical connection with the circuit board 140 of the light source device 100. At least part of the body part 1311 is located in the mounting hole 13221, and the opposite ends of the body part 1311 are respectively abutted with the mounting seat 1322 and the fixing plate 1321, so that the light source generator 131 is respectively abutted with the mounting seat 1322 and the fixing plate 1321.

[0103] It should be noted that, as Figure 5 shown, in order to realize the electrical connection between the electrode part 1312 and the circuit board 140, the fixing plate 1321 is provided with an electrode through hole for the electrode part 1312 to pass through. In addition, each electrode part 1312 can correspond to an electrode through hole, or the two electrode parts 1312 share one electrode through hole (as Figure 5 shown), which is not specifically limited here.

[0104] It can be understood that the body part 1311 can be located entirely in the mounting hole 13221, or part of the body part 1311 is located in the mounting hole 13221. When the body part 1311 is entirely located in the mounting hole 13221, correspondingly, part of the fixing plate 1321 can be located in the mounting hole 13221 and abutted with the body part 1311. Or, when the body part 1311 is entirely located in the mounting hole 13221, correspondingly, and the end surface of the body part 1311 abutted with the fixing plate 1321 is flush with the end surface of the mounting seat 1322 close to the fixing plate 1321. For example, as Figure 6 shown, in the present disclosure, the end surface of the body part 1311 abutted with the fixing plate 1321 is flush with the end surface of the mounting seat 1322 close to the fixing plate 1321, which is helpful to reduce the size of the light source device 100 in the axial direction of the light source channel 111, so as to reduce the volume of the light source device 100.

[0105] Figure 7 A perspective view of the mounting seat provided by the present disclosure at a first angle.

[0106] In order to realize the abutment between the mounting seat 1322 and the light source generator 131, in some possible embodiments, along the axial direction of the light source channel 111, as Figure 7 shown, the mounting hole 13221 can include coaxially arranged first and second through hole segments 132211 and 132212. The inner walls of the first and second through hole segments 132211 and 132212 together define a stepped surface abutted with the light source generator 131.

[0107] It can be understood that the inner diameter of one of the first through hole section 132211 and the second through hole section 132212 is smaller than the inner diameter of the other, for example, the inner diameter of the first through hole section 132211 is smaller than the inner diameter of the second through hole section 132212, and at this time, the second through hole section 132212 is located between the fixing plate 1321 and the first through hole section 132211, that is, the second through hole section 132212 is arranged close to the fixing plate 1321, which is not specifically limited herein.

[0108] In order to ensure the relative position of the mounting seat 1322 and the light source generator 131, in some examples, a positioning structure is further included. Part of the positioning structure is located on the through hole section with a larger inner diameter among the first through hole section 132211 and the second through hole section 132212, and another part of the positioning structure is located on the outer wall of the light source generator 131.

[0109] Taking the light source generator 131 defined by the body part 1311 and the electrode part 1312 as an example, the positioning structure includes a first notch and a second notch penetrating the body part 1311, as shown in Figure 7 The positioning structure further includes a first filling part 13224 and a second filling part 13225 arranged on the inner wall of the mounting through hole 13221. The first filling part 13224 is used to be embedded in the first notch, and the second filling part 13225 is used to be embedded in the second notch.

[0110] Figure 8 The mounting seat provided in the present disclosure is a perspective view at a second angle.

[0111] In some possible implementations, as shown in Figure 8 The mounting seat 1322 includes a tubular part 13222 and an abutting part 13223. The inner wall of the tubular part 13222 defines the mounting through hole 13221. The abutting part 13223 is arranged on the outer wall of the tubular part 13222 and is used to abut with the inner wall of the light source channel 111 to limit the position of the mounting seat 1322 in the light source channel 111.

[0112] In order to ensure the position of the mounting seat 1322 and install the mounting seat 1322 in the light source channel 111, the inner wall of the part of the light source channel 111 cooperating with the mounting seat 1322 defines a stepped surface abutting with the abutting part 13223.

[0113] It can be understood that the tubular part 13222 and the abutting part 13223 can be an integral structure, which helps to improve the connection strength of the abutting part 13223 and the tubular part 13222, or the tubular part 13222 can be fastened and connected with the abutting part 13223 by welding, threaded connection or the like.

[0114] In some examples, the abutting portion 13223 includes a plurality of abutting plate portions arranged at intervals along the circumferential direction of the tubular portion 13222.

[0115] In another example, as shown in Figure 8 , the abutting portion 13223 is a ring-shaped plate portion, the abutting portion 13223 is sleeved on the tubular portion 13222 and used to abut against the inner wall of the light source channel 111. Wherein, the end face of the abutting portion 13223 close to the fixed plate 1321 can be flush with the end face of the tubular portion 13222 close to the fixed plate 1321, so as to reduce the manufacturing difficulty of the mounting seat 1322.

[0116] In order to improve the stability of the light source generator 131 during rotation, in some possible implementation manners, as shown in Figure 2 and Figure 6 , the light source assembly 130 further includes a second elastic damping ring 134. Wherein, a third annular groove 135 surrounding the light source generator 131 is formed on the outer wall of the mounting seat 1322. The second elastic damping ring 134 is sleeved on the mounting seat 1322, and part of the second elastic damping ring 134 is embedded in the third annular groove 135 and abuts against the inner wall of the light source channel 111. In this way, during rotation, the mounting seat 1322 can be subjected to a damping force exerted by the second elastic damping ring 134 on the mounting seat 1322, so as to improve the stability of the rotation of the mounting seat 1322, thereby improving the accuracy of adjusting the angle of the laser beam.

[0117] It can be understood that the second elastic damping ring 134 is made of an elastically deformable material, so as to exert a damping force on the mounting seat 1322 during adjustment, for example, the second elastic damping ring 134 can be a rubber damping ring, a silica gel damping ring, a fluorine gel damping ring or a foam damping ring.

[0118] It should be noted that, as shown in Figure 8 , the third annular groove 135 can be arranged on the tubular portion 13222, or when the abutting portion 13223 is a ring-shaped plate portion, the third annular groove 135 can also be arranged on the outer wall of the ring-shaped plate portion, which is not limited here.

[0119] Figure 9 A perspective view of the fixed plate provided in the present disclosure.

[0120] In one possible implementation manner, as shown in Figure 9As shown, the end surface of the fixing plate 1321 away from the mounting base 1322 is provided with a receiving groove 13211, which can be used to accommodate heat-conducting silica gel for contacting the temperature measuring end of the temperature measuring chip 141 on the circuit board 140, so that the temperature measuring chip 141 can detect the temperature of the fixing plate 1321, and further monitor the temperature of the light source generator 131. Of course, the temperature measuring end of the temperature measuring chip 141 can also detect the temperature of the fixing plate 1321 without the heat-conducting silica gel, in which case the temperature measuring end of the temperature measuring chip 141 is located in the receiving groove 13211, and in addition, the temperature measuring end of the temperature measuring chip 141 can be in contact with or not in contact with the fixing plate 1321, and the temperature measuring chip 141 can detect the temperature of the fixing plate 1321, thereby monitoring the temperature of the light source generator 131. It can be understood that the temperature measuring chip 141 can also be located entirely in the receiving groove 13211, which can reduce the size of the light source device 100.

[0121] It can be understood that the temperature measuring chip 141 corresponds to a temperature sensor, thereby detecting the temperature of the fixing plate 1321 or the heat-conducting silica gel.

[0122] Since the fixing plate 1321 and the mounting base 1322 have high heat conductivity, the heat generated by the light source generator 131 can be transferred to the mounting base 1322 and the fixing plate 1321, and the temperature measuring chip 141 can indirectly monitor the temperature of the light source generator 131. The fixing plate 1321 can be made of a metal material with high heat conductivity, for example, the fixing plate 1321 is a copper plate, which is not limited here.

[0123] In a possible implementation, as shown in Figure 9 The fixing plate 1321 includes a main body portion 13212 and an indicating portion 13213. The main body portion 13212 is used to abut against the light source generator 131 and is used to cooperate with the fastening assembly 133 to fasten the fixing assembly 132 to the housing 110. The indicating portion 13213 is arranged on the side wall of the main body portion 13212 and is used to cooperate with the indicating scale line arranged on the housing 110 to ensure the position of the light source generator 131, and in addition, the indicating portion 13213 can also drive the fixing plate 1321 to rotate.

[0124] In order to reduce the axial size of the light source device 100, the main body portion 13212 can be arranged in the light source passage 111, and the housing 110 is provided with an indicating notch for inserting the indicating portion 13213.

[0125] Figure 10 A perspective view of the circuit board provided by the present disclosure.

[0126] In a possible implementation, as shown in Figure 1As shown, the light source device 100 may further include a circuit board 140 , which may be fastened to the fixing plate 1321 via a fastening assembly 133 , and may abut against an end surface of the housing 110 close to the light source generator 131 .

[0127] In order to increase the assembly speed of the circuit board 140 and the fixing plate 1321, as shown in FIG. Figure 10 As shown, a positioning hole 142 may be provided on the circuit board 140 , and a rod-shaped portion for inserting into the positioning hole 142 may be provided on the fixing plate 1321 .

[0128] In one possible implementation, Figure 5 As shown, the fastening assembly 133 may include a first fastener 1331 and a second fastener 1332. The first fastener 1331 is used to fasten the fixing plate 1321 and the mounting seat 1322 together, so that the light source generator 131 abuts against the fixing plate 1321 and the mounting seat 1322, respectively, thereby forming a single unit. The second fastener 1332 is used to fasten the fixing assembly 132 to the housing 110. This arrangement allows adjustment of the angle of the laser beam and fixation of the light source generator 131 within the light source channel 111.

[0129] The first fastener 1331 can be a first screw or a first bolt. For example, in some examples, the first fastener 1331 can be a first screw. Correspondingly, in some examples, the fixing plate 1321 and the mounting seat 1322 are both provided with a threaded hole that is threadedly mated with the first screw, so that the light source generator 131, the fixing plate 1321, and the mounting seat 1322 abut against each other. In other examples, the fixing plate 1321 is provided with a through hole for the first screw to pass through, and the mounting seat 1322 is provided with a threaded hole that is threadedly mated with the first screw. After the first screw is mated with the fixing plate 1321 and the mounting seat 1322, the first screw abuts the fixing plate 1321 and is threadedly connected to the mounting seat 1322.

[0130] In order to improve the connection effect between the fastening assembly 133 and the shell 110, the number of the second fastening connections is multiple, for example, the number of the second fasteners 1332 is 2, 3, 4, 5, etc., which is not specifically limited here.

[0131] To achieve the fastening connection between the fixing assembly 132 and the shell 110, the second fastener 1332 can be a second screw or a second bolt, and at least one of the fixing plate 1321 and the mounting base 1322 is provided with an arc-shaped through hole 136 for the second fastener 1332 to pass through, so that the second fastener 1332 is threadedly connected with the inner wall of the light source channel 111 of the shell 110. Specifically, the inner wall of the light source channel 111 is provided with a threaded hole for the second fastener 1332 to insert.

[0132] It can be understood that, in the process of rotating the light source generator 131, the arc-shaped through hole 136 will not interfere with the second fastener 1332.

[0133] When the arc-shaped through hole 136 is arranged only on the fixing plate 1321, the mounting base 1322 is located between the plurality of second fasteners 1332. When the arc-shaped through hole 136 is arranged only on the mounting base 1322, the fixing plate 1321 is located between the plurality of second fasteners 1332. When the fixing plate 1321 and the mounting base 1322 are both provided with the arc-shaped through hole 136 (as shown in Figure 8 and Figure 9 ), the number of the arc-shaped through holes 136 on the fixing plate 1321 is the same as the number of the arc-shaped through holes 136 on the mounting base 1322, and the plurality of arc-shaped through holes 136 on the fixing plate 1321 correspond to the plurality of arc-shaped through holes 136 on the mounting base 1322 one by one.

[0134] It should be noted that, in order to reduce the number of fasteners of the fastening assembly 133, the circuit board 140 can also be fastened to the fixing plate 1321 by the first fastener 1331, that is, the circuit board 140 is provided with a through hole for the first fastener 1331 to pass through, and then the circuit board 140 is fastened to the fixing plate 1321 by the cooperation of the positioning hole 142 of the circuit board 140 and the rod-shaped part of the fixing plate 1321.

[0135] Since the circuit board 140 covers the fixing plate 1321, in order to achieve the fastening connection between the fixing assembly 132 and the shell 110, as shown in Figure 10 , the circuit board 140 is provided with an arc-shaped through hole 136 for the second fastener 1332 to pass through, and the number of the arc-shaped through holes 136 is determined according to the number of the second fasteners 1332, which is not specifically limited herein.

[0136] Figure 11 A cross-sectional view of the shell provided by the present disclosure.

[0137] In order to install the lens seat 121, the fixing assembly 132 and the Powell prism assembly 150 in the light source channel 111, in one possible implementation manner, as shown in Figure 11As shown, the light source channel 111 includes the first channel segment 1111, the second channel segment 1112, the third channel segment 1113, the fourth channel segment 1114 and the fifth channel segment 1115 connected in sequence and coaxially arranged along the axial direction of the light source channel 111. The first channel segment 1111 and the second channel segment 1112 define a first step surface abutting the mounting seat 1322, and the inner diameter of the first channel segment 1111 is greater than that of the second channel segment 1112. The first step surface is provided with a threaded hole threadedly matched with the second fastener 1332.

[0138] The third channel segment 1113 and the second channel segment 1112 define a second step surface, and the third channel segment 1113 is used to match the threaded part 1211 of the lens seat 121.

[0139] The third channel segment 1113 and the fourth channel segment 1114 define a third step surface, and the third step surface is used to be connected with the glue injection card.

[0140] The fourth channel segment 1114 is used to match the positioning part 1212 of the lens seat 121 and the first damping ring 122, and the fourth channel segment 1114 and the fifth channel segment 1115 form a fourth step surface, and the fifth channel segment 1115 is used for the prism base of the Powell prism assembly 150 to be inserted.

[0141] It should be noted that in the present disclosure, the outer diameter of the positioning part 1212 is equal to the outer diameter of the tubular part 13222, which helps to improve the application range of the shell 110.

[0142] The present disclosure also provides a 3D camera, which at least includes a fixing seat and the light source device 100 of any one of the above. The light source device 100 is mounted on the fixing seat, and specifically, the shell 110 of the light source device 100 is fastened and connected with the fixing seat.

[0143] The present disclosure also provides a terminal, which can include the light source device 100 of any one of the above or the 3D camera described above.

[0144] It should be noted that the terminal of the present disclosure can be a robot or a positioning device, etc., which is not specifically limited here.

[0145] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present disclosure, rather than limit them. Although the present disclosure has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that the technical solutions recorded in the foregoing embodiments can be modified, or some or all of the technical features can be replaced by equivalents. Such modifications or replacements do not make the essence of the corresponding technical solutions deviate from the scope of the technical solutions of the embodiments of the present disclosure.

Claims

1. A light source device, characterized in that: include: Housing and collimating lens assembly; The housing has a light source channel running through the housing; The collimating lens assembly is installed in the light source channel, and the collimating lens assembly includes a lens seat with a tubular structure and a first elastically deformable damping ring; The lens seat is used to mount a collimating lens. A first annular groove surrounding the lens seat is formed on the outer wall of the lens seat. The lens seat includes a coaxially arranged threaded portion and a positioning portion, both of which are arranged on the outer wall of the lens seat. The threaded portion is used to engage with the inner wall thread of the light source channel, and the positioning portion is used to contact the inner wall surface of the light source channel; The first damping ring is sleeved on the lens seat, the first annular groove is provided on the outer wall of the threaded portion, and a portion of the first damping ring is embedded in the first annular groove and is used to abut against the inner wall of the light source channel.

2. The light source device according to claim 1, wherein The lens holder further includes: a middle portion; The opposite ends of the middle portion are respectively fastened to the connecting ends of the threaded portion and the positioning portion. The outer diameter of the middle portion is smaller than the outer diameters of the positioning portion and the threaded portion, and the middle portion defines a second annular groove together with the positioning portion and the threaded portion.

3. The light source device according to claim 1, wherein The first damping ring is a rubber damping ring, a silicone damping ring, a fluororubber damping ring or a foam damping ring.

4. The light source device according to any one of claims 1 to 3, characterized in that: Also includes: A light source assembly, comprising a light source generator, a fixing assembly, and a fastening assembly; The fixing assembly includes a fixing plate and a mounting seat; The mounting seat is located in the light source channel and has a mounting through hole passing through the mounting seat, and the mounting seat is located between the fixing plate and the collimating lens assembly; Part of the light source generator is installed in the installation through hole, and opposite ends of the light source generator are respectively abutted against the installation seat and the fixing plate; The fastening assembly is used to fasten the fixing plate and the mounting seat and to fasten the fixing assembly and the housing.

5. The light source device according to claim 4, wherein: The mounting through hole includes a first through hole section and a second through hole section that are coaxially arranged; the inner wall of the first through hole section and the inner wall of the second through hole section jointly define a step surface that abuts against the light source generator.

6. The light source device according to claim 4, wherein: The light source assembly further includes: a second elastically deformable damping ring; A third annular groove surrounding the light source generator is formed on the outer wall of the mounting seat; The second damping ring is sleeved on the mounting seat, and a portion of the second damping ring is embedded in the third annular groove and abuts against the inner wall of the light source channel.

7. The light source device according to claim 6, wherein: The second damping ring is a rubber damping ring, a silicone damping ring, a fluororubber damping ring or a foam damping ring.

8. The light source device according to claim 4, wherein: An accommodating groove is provided on the end surface of the fixing plate away from the mounting seat.

9. The light source device according to claim 8, wherein Also includes: The temperature measuring chip has a temperature measuring end located in the containing groove.

10. The light source device according to claim 4, wherein The fixing plate includes a main body and an indicating portion; the main body is used to abut against the light source generator; the indicating portion is arranged on the side wall of the main body and is used to cooperate with the indicating scale line arranged on the shell.

11. The light source device according to any one of claims 1 to 3, characterized in that: The light source device is a laser.

12. A 3D camera, characterized in that: It comprises a fixing seat and the light source device according to any one of claims 1 to 11; the light source device is installed on the fixing seat.

13. A terminal, characterized in that: The method comprises the light source device according to any one of claims 1 to 11 or the 3D camera according to claim 12. The terminal according to claim 13 , wherein: The terminal is a robot.

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