Distance measuring device

Abstract

The utility model relates to the technical field of distance measuring devices, and provides a distance measuring device which comprises a shell composed of a lower shell and an upper cover. The distance measuring device is arranged in the shell and / or on the outer surface of the shell; wherein the distance measuring device is composed of a binocular TOF camera structure and two sensor modules, the binocular TOF camera structure comprises a system board arranged in the lower shell, a power board is arranged at the bottom of the system board, a binocular TOF module is arranged in the lower shell, and a 4G antenna and a GPS antenna are arranged outside the lower shell. An optical filter A is arranged on the side, away from the 4G antenna and the GPS antenna, of the lower shell, an optical filter B is further arranged on the side, away from the 4G antenna and the GPS antenna, of the lower shell, and the optical filter A and the optical filter B are each provided with a sleeve and a lens optical filter. According to the anti-cavitation anti-cavitation camera, the wide-angle lens and the narrow-angle lens are arranged in the same camera, the distance is detected through laser light, the anti-cavitation anti-cavitation camera is not limited to single-side installation and can be used on the left side and the right side, and the depth can reach 17 meters.

Description

Technical Field

[0001] This utility model relates to the field of distance measuring device technology, specifically, to a distance measuring device. Background Technology

[0002] Time-of-flight (TOF) ranging and identification systems are currently widely used in mobile phone cameras or 3D sensing applications in face recognition (FACE ID).

[0003] The system utilizes a Time-of-Flight (TOF) optical sensor, an active-illumination laser LED, and a main control processor and driver. It can receive depth images, grayscale images, and point cloud images. The module transmits data via a MIP I CSI interface, making it very easy for users to integrate. Its application scenarios include cargo loading inside logistics vehicles or open spaces at docks. The ToF camera performs 3D global detection of the cargo compartment's interior and transmits the resulting 3D image information via network to a service backend to calculate real-time cargo loading status. Conventional ranging devices often result in a single direction and fixed installation location. To adapt to various environments and enable multi-directional measurement, this structure is designed to accommodate different conditions and environments. Utility Model Content

[0004] To address the shortcomings of existing technologies, this utility model provides a ranging device that solves the technical problems mentioned in the background section.

[0005] The technical solution of this utility model is as follows: a ranging device, comprising...

[0006] The outer shell consists of a lower shell and an upper cover;

[0007] A ranging device is disposed inside the housing and / or on its outer surface;

[0008] The ranging device consists of a binocular TOF camera structure and two sensor modules.

[0009] Preferably, the binocular TOF camera structure includes a system board disposed inside the lower housing, a power board disposed at the bottom of the system board, a binocular TOF module disposed inside the lower housing, a 4G antenna and a GPS antenna disposed outside the lower housing, a filter A disposed on the side of the lower housing away from the 4G antenna and the GPS antenna, and a filter B disposed on the side of the lower housing away from the 4G antenna and the GPS antenna, and a sleeve and a lens filter disposed on both filter A and filter B, wherein the lens filter is disposed inside the sleeve.

[0010] Preferably, the binocular TOF module consists of TOF module A, TOF module B and a fixed slider, with the two sensor modules respectively mounted on TOF module A and TOF module B.

[0011] Preferably, the TOF module A comprises a heat sink A arranged in the lower shell, a heat dissipation silica gel A arranged on the top of the heat sink A, a light source plate A arranged on the fixed sliding block, and a heat dissipation silica gel AA arranged on the light source plate A.

[0012] Preferably, the TOF module B comprises a light source plate B and a heat sink B arranged on the power supply plate, a heat dissipation silica gel B arranged on one side of the light source plate B, and a heat dissipation silica gel BB arranged on the heat sink B.

[0013] Preferably, the sensor module comprises a sensor circuit board and a flexible flat cable arranged on the side of the light source plate A away from the heat sink A, and a lens seat arranged on the side of the light source plate B adjacent to the light source plate A, and a lens arranged in the lens seat.

[0014] Compared with the prior art, the utility model has the beneficial effects that:

[0015] The utility model sets up wide-angle and narrow-angle lenses in the same camera, detects distance by laser light, and can be used on both sides without being limited to single side installation, and the depth can reach 17 meters. BRIEF DESCRIPTION OF DRAWINGS

[0016] The utility model will be further explained in detail in combination with the drawings and specific embodiments.

[0017] Fig. 1 The utility model provides a three-dimensional structure schematic diagram;

[0018] Fig. 2 The utility model provides an internal analysis structure schematic diagram.

[0019] In the drawing: 1, shell; 11, lower shell; 12, upper cover;

[0020] 2, distance measuring device; 21, binocular TOF camera structure; 22, sensor module;

[0021] 211, system board; 212, power supply plate; 213, binocular TOF module; 214, 4G antenna; 215, GPS antenna; 216, optical filter A; 217, sleeve; 218, optical filter B; 219, lens filter;

[0022] 2131, TOF module A; 21311, heat sink A; 21312, heat dissipation silica gel A; 21313, light source plate A; 21314, heat dissipation silica gel AA;

[0023] 2132, TOF module B; 21321, light source plate B; 21322, heat sink B; 21323, heat dissipation silica gel B; 21324, heat dissipation silica gel BB;

[0024] 2133, fixed sliding block;

[0025] 221, sensor circuit board; 222, flexible flat cable; 223, lens seat; 224, lens. DETAILED DESCRIPTION

[0026] The technical solutions in the embodiments of the present application will be apparently and completely described in combination with the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments of the present application, all the other embodiments obtained by those skilled in the art without creative labor are involved in the protection scope of the present application.

[0027] The optical sensor of the TOF technology, the active illumination laser LED, the main control processor and the drive, can receive the depth image, the gray scale image and the point cloud image. The application scene is the goods loading in the goods carriage of the logistics vehicle or the open space of the wharf. The 3D global detection is performed on the inside of the goods carriage through the ToF camera, and the obtained 3D image information is transmitted to the service background through the network to calculate the real-time goods loading condition. The common ranging device composition causes the single direction and the fixed installation position. In order to adapt to various environments and make the multiple directions, the structure is designed to adapt to various states and environments. Please refer to Figs. 1-2 The embodiment provides a ranging device, which comprises

[0028] The shell 1 is composed of a lower shell 11 and an upper cover 12.

[0029] The ranging device 2 is arranged in the inside and / or the outer surface of the shell 1.

[0030] Reference Figs. 1-2 As shown in the figure, because the existing ranging device on the market is large or fixedly connected, it is only suitable for some specific places, the application is limited, and the use is limited to some extent. In order to adapt to various environments and make the multiple directions, the following settings are made:

[0031] The ranging device 2 is composed of a binocular TOF camera structure 21 and two sensor modules 22, which are optical sensing-laser. The binocular TOF camera structure 21 includes a system board 211 arranged inside a lower shell 11, a power board 212 arranged at the bottom of the system board 211, a binocular TOF module 213 arranged inside the lower shell 11, a 4G antenna 214 and a GPS antenna 215 arranged outside the lower shell 11, a filter A 216 arranged on the side of the lower shell 11 away from the 4G antenna 214 and the GPS antenna 215, a filter B 218 also arranged on the side of the lower shell 11 away from the 4G antenna 214 and the GPS antenna 215, a sleeve 217 and a lens filter 219 arranged on the filter A 216 and the filter B 218, wherein the lens filter 219 is arranged inside the sleeve 217. The binocular TOF module 213 is composed of a TOF module A 2131, a TOF module B 2132 and a fixed slide 2133, and the two sensor modules 22 are arranged on the TOF module A 2131 and the TOF module B 2132 respectively. The TOF module A 2131 includes a heat sink A 21311 arranged inside the lower shell 11, a heat dissipation silica gel A 21312 arranged on the top of the heat sink A 21311, a light source board A 21313 arranged on the fixed slide 2133, the light source board A 21313 is narrow-angle and has a long irradiation distance, and a heat dissipation silica gel AA 21314 arranged on the light source board A 21313. The TOF module B 2132 includes a light source board B 21321 and a heat sink B 21322 arranged on the power board 212, the light source board B 21321 is wide-angle and has a short irradiation distance, a heat dissipation silica gel B 21323 arranged on one side of the light source board B 21321, and a heat dissipation silica gel BB 21324 arranged on the heat sink B 21322.

[0032] The binocular TOF camera structure 21 is configured by setting a system board 211 and a power supply board 212 inside the lower shell 11, and integrating a binocular TOF module 213, using TOF module A 2131 and TOF module B 2132 to respectively configure narrow-angle and wide-angle light source boards, to achieve accurate ranging at long and short distances. Specifically, the binocular TOF module 213 can effectively filter stray light through the filter A 216 and the filter B 218, combined with the lens filter 219 and the sleeve 217, to ensure measurement accuracy. TOF module A 2131 reduces the heat generated by light source board A 21313 through a heat management component, including heat sink A 21311 and heat sink silicone A 21312, to optimize performance. TOF module B 2132 achieves efficient heat management for short-range ranging by setting light source board B 21321 and heat sink B 21322 on the power supply board 212, combined with heat sink silicone B 21323 and heat sink silicone BB 21324, to ensure all-weather high-precision ranging. In addition, the 4G antenna 214 and the GPS antenna 215 equipped outside the camera enhance network connection performance and positioning accuracy, and the overall binocular TOF camera structure 21 performs outstanding ranging and positioning capabilities in various environments and application scenarios.

[0033] The sensor module 22 includes a sensor circuit board 221 and a flexible flat cable 222 disposed on the side of the light source board A 21313 away from the heat sink A 21311, and a lens seat 223 disposed on the side of the light source board B 21321 adjacent to the light source board A 21313. The lens seat 223 is used to fix the lens 224 and is not subject to image offset caused by external force vibration. The lens 224 is disposed inside the lens seat 223 and can be a wide-angle or narrow-angle lens, capable of measuring different distances simultaneously, with a maximum depth of 17 meters.

[0034] The design of the sensor module 22 enables it to effectively perform accurate measurement of multiple distances. The sensor circuit board 221 is disposed on the side of the light source board A 21313 away from the heat sink A 21311, and integrates multiple control functions such as the main system control circuit board, power conversion module, data reception and storage module, and acceleration sensing module, ensuring the stability of the entire system and the accuracy of the data. At the same time, the sensor module 22 is also provided with a lens seat 223 fixed on the side of an adjacent light source board B 21321, and designed with a structure for fixing the lens 224, which can withstand external force vibration without deviation, ensuring the stability and accuracy of the measurement process. The lens 224 can be selected as a wide-angle or narrow-angle lens as needed, capable of measuring different distances simultaneously, with a maximum depth of 17 meters, thereby providing more comprehensive and accurate measurement data.

[0035] According to Figs. 1-2 , the ranging device 2 realizes the function of accurate ranging at different distances through the binocular TOF camera structure 21 and the two sensor modules 22. The TOF module A 2131 and the TOF module B 2132 in the binocular TOF camera structure 21 are respectively equipped with narrow-angle and wide-angle light source plates, which can accurately measure the distance of objects at long and short distances, and the deepest can reach 17 meters, and are not affected by external force vibration. The sensor circuit board 221 in the sensor module 22 not only has the functions of main system control, power conversion and data receiving and storage, but also fixes lenses 224 of different angles through a lens seat 223, realizes the purpose of accurately measuring the distance of objects at different distances at the same time, and guarantees the high precision and stability in different application scenes. In addition, the binocular TOF camera structure 21 also ensures the stability and accuracy of the equipment in long-time use through various heat dissipation devices and optical filters, fully meeting the wide ranging needs from near distance to long distance in many fields.

[0036] The above is only a preferred embodiment of the present application, and is not intended to limit the present application. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. A ranging device, characterized by, The utility model relates to a kind of distance measuring devices, including Shell (1) is composed of lower shell (11) and upper cover (12); Distance measuring device (2) is arranged inside and / or outer surface of the shell (1); Wherein, the distance measuring device (2) is composed of binocular TOF camera structure (21) and two sensor modules (22).

2. A ranging device according to claim 1, wherein, The binocular TOF camera structure (21) includes system board (211) arranged inside lower shell (11), power board (212) is arranged at the bottom of system board (211), the inside of the lower shell (11) is provided with binocular TOF module (213), the outside of the lower shell (11) is provided with 4G antenna (214) and GPS antenna (215), the side of the lower shell (11) away from 4G antenna (214) and GPS antenna (215) is provided with optical filter A (216), the side of the lower shell (11) away from 4G antenna (214) and GPS antenna (215) is also provided with optical filter B (218), sleeve (217) and lens filter (219) are arranged on optical filter A (216) and optical filter B (218), and the lens filter (219) is arranged inside sleeve (217).

3. A ranging device according to claim 1, wherein, Binocular TOF module (213) is composed of TOF module A (2131), TOF module B (2132) and fixed sliding block (2133), and two sensor modules (22) are arranged on TOF module A (2131) and TOF module B (2132) respectively.

4. A ranging device according to claim 3, wherein, The TOF module A (2131) includes heat sink A (21311) arranged in lower shell (11), heat dissipation silica gel A (21312) is arranged at the top of heat sink A (21311), light source board A (21313) is arranged on fixed sliding block (2133), and heat dissipation silica gel AA (21314) is arranged on light source board A (21313).

5. A ranging device according to claim 3, wherein, The TOF module B (2132) includes light source board B (21321) and heat sink B (21322) arranged on power board (212), heat dissipation silica gel B (21323) is arranged on one side of light source board B (21321), and heat dissipation silica gel BB (21324) is arranged on heat sink B (21322).

6. A ranging device according to claim 1, wherein, The sensor module (22) includes sensor circuit board (221) and flexible flat cable (222) arranged on the side of light source board A (21313) away from heat sink A (21311), and lens seat (223) is arranged on the side of light source board B (21321) adjacent to light source board A (21313), and lens (224) is arranged inside lens seat (223).

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