Laser radar protection device and laser radar module

Abstract

The utility model provides a laser radar protection device and a laser radar module. The laser radar protection device comprises a shell and a sealing rubber ring, the shell comprises a bottom shell and a lens protection seat, the bottom shell is fixedly connected with the lens protection seat, the bottom shell and the lens protection seat are of an integrated punch forming structure, the bottom shell is provided with a containing groove, the lens protection seat is provided with a containing cavity, and the containing cavity is communicated with the containing groove. The containing groove is communicated with the containing cavity, the sealing rubber ring is located in the containing groove and abuts against the bottom shell, and the thickness of the lens protection base is larger than that of the bottom shell. Compared with a die-casting process in a traditional technology, the bottom shell and the lens protection seat are integrally formed in a punching mode, sand holes are prevented from being formed in the bottom shell and the lens protection seat, the laser radar is located in the containing groove and abuts against the sealing rubber ring in an interference mode, the lens of the laser radar extends into the containing cavity, the protection effect of the shell on the laser radar is better, and the service life of the laser radar is prolonged. And meanwhile, the sealing performance is higher.

Description

Technical Field

[0001] The present disclosure relates to the technical field of laser radar protection devices, and in particular to a laser radar protection device and a laser radar module. Background Art

[0002] Lidar refers to a radar system that emits laser beams to detect the position, speed and other characteristic quantities of a target. Its working principle is to emit a detection signal (laser beam) to the target, and then compare the received signal reflected from the target (target echo) with the transmitted signal. After appropriate processing, relevant information about the target can be obtained, such as target distance, direction, altitude, speed, attitude, and even shape parameters.

[0003] Nowadays, laser radar is widely used in the automotive industry. It detects the driving environment around the vehicle through laser radar. The laser radar is generally installed in the shell, which can not only play a waterproof effect but also prevent the laser radar from being damaged by splashed sand and stones. For example, the Chinese patent with application number CN202021831950.6 discloses a laser radar protection device and an unmanned vehicle, including a shell and a mounting structure. The laser radar is installed in the shell, one end of the mounting structure is connected to the shell, and the other end of the mounting structure is used to connect to the vehicle body. The laser radar is installed in the shell so that the shell can protect the laser radar.

[0004] However, for the above-mentioned shells and metal protective shells on the market, they are generally formed by die-casting, that is, the molten metal is placed in a mold for high-pressure forming. At the same time, trace elements (such as silicon) need to be added to the molten metal to shape the molten metal. However, this will cause the formed metal shell to form "sand holes" in the industry, that is, there will be gaps or voids in the cavity structure of the metal shell, which makes the metal shell have poor sealing and protection effects on the laser radar. If rainwater or sand enters the metal shell, it will affect the monitoring effect of the laser radar, and then lead to traffic accidents.

[0005] Therefore, there is an urgent need for a laser radar protection device that can avoid the formation of "sand holes" and has better sealing performance and protection effects. Utility Model Content

[0006] The purpose of the present invention is to overcome the shortcomings of the prior art and provide a laser radar protection device and a laser radar module that avoids the generation of "sand holes" and has better sealing performance and protection effect.

[0007] The purpose of this disclosure is achieved through the following technical solutions:

[0008] A laser radar protection device, comprising:

[0009] A shell and a sealing rubber ring, the shell includes a bottom shell and a lens protection seat, the bottom shell is fixedly connected to the lens protection seat, the bottom shell and the lens protection seat are an integral stamping structure, the bottom shell is provided with a receiving groove, the lens protection seat is provided with a receiving cavity, the receiving groove is communicated with the receiving cavity, the sealing rubber ring is located in the receiving groove and abuts against the bottom shell, and the thickness of the lens protection seat is greater than the thickness of the bottom shell.

[0010] In one embodiment, the thickness of the lens protection seat is 10mm-15mm.

[0011] In one embodiment, the thickness of the bottom shell is 6mm-9mm.

[0012] In one of the embodiments, the bottom shell is further provided with a snap-in groove, the snap-in groove is communicated with the accommodating groove, and the snap-in groove is used for the limiting column to pass through.

[0013] In one embodiment, there are multiple clamping grooves, and the multiple clamping grooves are arranged around the receiving groove.

[0014] In one embodiment, the depth of the engaging groove is set to be the same as the depth of the accommodating groove.

[0015] In one embodiment, the sealing rubber ring is in a ring shape.

[0016] In one embodiment, the thickness of the sealing rubber ring is 5mm-10mm.

[0017] A laser radar module comprises a laser radar and the laser radar protection device described in any one of the above embodiments, wherein the laser radar is located in the accommodating groove and the sealing rubber ring is in interference fit, and the lens of the laser radar extends into the accommodating cavity.

[0018] Compared with the prior art, the present invention has at least the following advantages:

[0019] In the above-mentioned laser radar protection device, the bottom shell is fixedly connected to the lens protection seat, and the bottom shell and the lens protection seat are an integrated stamping structure, that is, the bottom shell and the lens protection seat are formed by a stamping process. Compared with the die-casting process in traditional technology, the bottom shell and the lens protection seat of the present application are stamped and formed as a whole, which avoids the generation of "sand holes" in the bottom shell and the lens protection seat. Furthermore, the bottom shell is provided with a receiving groove, and the lens protection seat is provided with a receiving cavity. The sealing rubber ring is located in the receiving groove, and the laser radar is located in the receiving groove and is in interference contact with the sealing rubber ring, and the lens of the laser radar extends into the receiving cavity, so that the shell has a better protection effect on the laser radar, and the sealing performance is also higher. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] In order to more clearly illustrate the technical solutions of the embodiments of the present disclosure, the drawings required for use in the embodiments will be briefly introduced below. It should be understood that the following drawings only show certain embodiments of the present disclosure and therefore should not be regarded as limiting the scope. For ordinary technicians in this field, other related drawings can be obtained based on these drawings without paying creative work.

[0021] Figure 1 A schematic diagram of the structure of a laser radar protection device according to an embodiment;

[0022] Figure 2 for Figure 1 Another structural schematic diagram of the laser radar protection device shown;

[0023] Figure 3 for Figure 1 Another structural schematic diagram of the laser radar protection device shown. DETAILED DESCRIPTION

[0024] In order to facilitate the understanding of the present disclosure, the present disclosure will be described more fully below with reference to the relevant drawings. The preferred embodiments of the present disclosure are given in the drawings. However, the present disclosure can be implemented in many different forms and is not limited to the embodiments described herein. On the contrary, the purpose of providing these embodiments is to make the disclosure of the present disclosure more thoroughly and comprehensively understood.

[0025] It should be noted that when an element is referred to as being "fixed to" another element, it may be directly on the other element or there may be a central element. When an element is considered to be "connected to" another element, it may be directly connected to the other element or there may be a central element at the same time. The terms "vertical", "horizontal", "left", "right" and similar expressions used herein are for illustrative purposes only and do not represent the only implementation method.

[0026] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as those commonly understood by those skilled in the art of the present disclosure. The terms used herein in the specification of the present disclosure are only for the purpose of describing specific embodiments and are not intended to limit the present disclosure. The term "and / or" used herein includes any and all combinations of one or more related listed items.

[0027] The present invention provides a laser radar protection device, including a shell and a sealing rubber ring, the shell including a bottom shell and a lens protection seat, the bottom shell is fixedly connected to the lens protection seat, the bottom shell and the lens protection seat are an integral stamping structure, the bottom shell is provided with a receiving groove, the lens protection seat is provided with a receiving cavity, the receiving groove is communicated with the receiving cavity, the sealing rubber ring is located in the receiving groove and abuts against the bottom shell, and the thickness of the lens protection seat is greater than the thickness of the bottom shell.

[0028] In the above-mentioned laser radar protection device, the bottom shell is fixedly connected to the lens protection seat, and the bottom shell and the lens protection seat are an integrated stamping structure, that is, the bottom shell and the lens protection seat are formed by a stamping process. Compared with the die-casting process in traditional technology, the bottom shell and the lens protection seat of the present application are stamped and formed as a whole, which avoids the generation of "sand holes" in the bottom shell and the lens protection seat. Furthermore, the bottom shell is provided with a receiving groove, and the lens protection seat is provided with a receiving cavity. The sealing rubber ring is located in the receiving groove, and the laser radar is located in the receiving groove and is in interference contact with the sealing rubber ring, and the lens of the laser radar extends into the receiving cavity, so that the shell has a better protection effect on the laser radar, and the sealing performance is also higher.

[0029] In order to better understand the technical solutions and beneficial effects of the present invention, the present invention is further described in detail below in conjunction with specific embodiments:

[0030] like Figures 1 to 3 As shown, a laser radar protection device 10 of an embodiment includes a shell 100 and a sealing rubber ring 200, the shell 100 includes a bottom shell 110 and a lens protection seat 120, the bottom shell 110 is fixedly connected to the lens protection seat 120, the bottom shell 110 and the lens protection seat 120 are an integral stamping structure, the bottom shell 110 is provided with a receiving groove 111, the lens protection seat 120 is provided with a receiving cavity 121, the receiving groove 111 is communicated with the receiving cavity 121, the sealing rubber ring 200 is located in the receiving groove 111 and abuts against the bottom shell 110, and the thickness of the lens protection seat 120 is greater than the thickness of the bottom shell 110.

[0031] In this embodiment, a metal block is placed in a mold for stamping to form a bottom shell 110 and a lens protection seat 120, that is, the bottom shell 110 and the lens protection seat 120 are an integrated stamping structure. Compared with the die-casting process, the shell 100 of the present application does not need to add trace elements during stamping to shape the shell, thereby avoiding the generation of "sand holes" in the bottom shell 110 and the lens protection seat 120, that is, avoiding the generation of gaps or voids in the cavity structure of the bottom shell 110 and the lens protection seat 120, so that the bottom shell 110 and the lens protection seat 120 have better sealing and protection effects on the laser radar. Furthermore, the bottom shell 110 is provided with a receiving groove 111, and the sealing rubber ring 200 is located in the receiving groove 111 and is in interference fit with the bottom shell 110, further strengthening the sealing of the bottom shell 110 to the laser radar. Furthermore, the laser radar is installed in the bottom shell, and the lens of the laser radar extends to the lens protection seat. The lens protection seat 120 is used to protect the lens of the laser radar. The thickness of the lens protection seat 120 is greater than the thickness of the bottom shell 110, so that the lens protection seat 120 can better protect the lens of the laser radar.

[0032] In the above-mentioned laser radar protection device 10, the bottom shell 110 is fixedly connected to the lens protection seat 120, and the bottom shell 110 and the lens protection seat 120 are an integral stamping structure, that is, the bottom shell 110 and the lens protection seat 120 are formed by a stamping process. Compared with the die-casting process in the traditional technology, the bottom shell 110 and the lens protection seat 120 of the present application are integrally stamped and formed, which avoids the generation of "sand holes" in the bottom shell 110 and the lens protection seat 120. Furthermore, the bottom shell 110 is provided with a receiving groove 111, and the lens protection seat 120 is provided with a receiving cavity 121. The sealing rubber ring 200 is located in the receiving groove 111, and the laser radar is located in the receiving groove 111 and is in interference fit with the sealing rubber ring 200, and the lens of the laser radar extends into the receiving cavity 121, so that the shell 100 has a better protection effect on the laser radar, and the sealing performance is also higher.

[0033] In one embodiment, the thickness of the lens protection seat 120 is 10 mm-15 mm. In this embodiment, the thickness of the lens protection seat 120 is 15 mm.

[0034] In one embodiment, the thickness of the bottom shell 110 is 6 mm-9 mm. In this embodiment, the thickness of the bottom shell 110 is 9 mm.

[0035] like Figure 1 and Figure 2As shown, in one embodiment, the bottom shell 110 is further provided with a snap-in groove 112, which is in communication with the receiving groove 111, and is used for a limiting column to pass through. It can be understood that a limiting column is provided on the housing 100 of the laser radar, and the limiting column is passed through the snap-in groove 112, so that the limiting column is snap-fitted with the snap-in groove 112, thereby fixing the laser radar to the housing 100.

[0036] like Figure 1 As shown, in one embodiment, the number of the snap-in grooves 112 is multiple, and the multiple snap-in grooves 112 are arranged around the receiving groove 111. In this embodiment, the number of the snap-in grooves 112 is four, and the number of the snap-in grooves 112 is adapted to the number of the limiting columns of the laser radar, and the four snap-in grooves 112 are arranged around the receiving groove 111 to fix the laser radar to the housing 100.

[0037] In one of the embodiments, the depth of the snap-in groove 112 is set to be the same as the depth of the receiving groove 111, so that the structure of the laser radar installed in the bottom shell 110 is more compact.

[0038] like Figure 3 As shown, in one embodiment, the sealing rubber ring 200 is in a ring shape so that the sealing rubber ring 200 is matched with the groove wall of the receiving groove 111. Of course, in other embodiments, the sealing rubber ring 200 can also be rectangular, and it is only necessary to ensure that the shape of the sealing rubber ring 200 is matched with the receiving groove 111 so that the sealing rubber ring 200 and the groove wall of the receiving groove 111 are in interference contact.

[0039] In one embodiment, the thickness of the sealing rubber ring 200 is 5 mm-10 mm. In this embodiment, the thickness of the sealing rubber ring 200 is 10 mm.

[0040] The present application also provides a laser radar module, including a laser radar (not shown) and the laser radar protection device 10 described in any of the above embodiments, the laser radar is located in the accommodating groove 111 and the sealing rubber ring 200 is interference-abutted, and the lens of the laser radar extends into the accommodating cavity 121.

[0041] Compared with the prior art, the present invention has at least the following advantages:

[0042] In the above-mentioned laser radar protection device 10, the bottom shell 110 is fixedly connected to the lens protection seat 120, and the bottom shell 110 and the lens protection seat 120 are an integral stamping structure, that is, the bottom shell 110 and the lens protection seat 120 are formed by a stamping process. Compared with the die-casting process in the traditional technology, the bottom shell 110 and the lens protection seat 120 of the present application are integrally stamped and formed, which avoids the generation of "sand holes" in the bottom shell 110 and the lens protection seat 120. Furthermore, the bottom shell 110 is provided with a receiving groove 111, and the lens protection seat 120 is provided with a receiving cavity 121. The sealing rubber ring 200 is located in the receiving groove 111, and the laser radar is located in the receiving groove 111 and is in interference fit with the sealing rubber ring 200, and the lens of the laser radar extends into the receiving cavity 121, so that the shell 100 has a better protection effect on the laser radar, and the sealing performance is also higher.

[0043] The above-mentioned embodiments only express several implementation methods of the present disclosure, and the descriptions thereof are relatively specific and detailed, but they cannot be understood as limiting the scope of the utility model patent. It should be pointed out that, for ordinary technicians in this field, several modifications and improvements can be made without departing from the concept of the present disclosure, and these all belong to the protection scope of the present disclosure. Therefore, the protection scope of the patent of the present disclosure shall be based on the attached claims.

Claims

1. A laser radar protection device, characterized in that: include: A shell and a sealing rubber ring, the shell includes a bottom shell and a lens protection seat, the bottom shell is fixedly connected to the lens protection seat, the bottom shell and the lens protection seat are an integral stamping structure, the bottom shell is provided with a receiving groove, the lens protection seat is provided with a receiving cavity, the receiving groove is communicated with the receiving cavity, the sealing rubber ring is located in the receiving groove and abuts against the bottom shell, and the thickness of the lens protection seat is greater than the thickness of the bottom shell.

2. The laser radar protection device according to claim 1, characterized in that: The thickness of the lens protection seat is 10mm-15mm.

3. The laser radar protection device according to claim 1, characterized in that: The thickness of the bottom shell is 6mm-9mm.

4. The laser radar protection device according to claim 1, characterized in that: The bottom shell is further provided with a clamping groove, which is communicated with the containing groove and is used for a limiting column to pass through.

5. The laser radar protection device according to claim 4, characterized in that: The number of the clamping slots is multiple, and the multiple clamping slots are arranged around the accommodating slot.

6. The laser radar protection device according to claim 4, characterized in that: The depth of the clamping groove is set to be the same as the depth of the accommodating groove.

7. The laser radar protection device according to claim 1, characterized in that: The sealing rubber ring is in a ring shape.

8. The laser radar protection device according to claim 1, characterized in that: The thickness of the sealing rubber ring is 5mm-10mm.

9. A laser radar module, characterized in that: It comprises a laser radar and a laser radar protection device according to any one of claims 1 to 8, wherein the laser radar is located in the accommodating groove and the sealing rubber ring is in interference fit, and the lens of the laser radar extends into the accommodating cavity.

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