High-precision high-density detection equipment

By setting a rotatable optical auxiliary ring and an LED light source at the front end of the detection head, the problems of noise and data loss when handheld laser scanners are used to detect reflective surfaces are solved, realizing the continuity and accuracy of detection, and improving the effectiveness and effect of detection.

CN224230929UActive Publication Date: 2026-05-12LUOYANG LINGGUAN MEASUREMENT & CONTROL EQUIP CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
LUOYANG LINGGUAN MEASUREMENT & CONTROL EQUIP CO LTD
Filing Date
2025-07-17
Publication Date
2026-05-12

AI Technical Summary

Technical Problem

When existing handheld laser scanners encounter devices and apparatus with reflective surfaces, the laser or optical signal is strongly reflected, resulting in noise, overexposure, or data loss, leading to detection failure or error.

Method used

A rotatable optical auxiliary ring is set at the front end of the detection head, with built-in LED light blocks and reflective oblique cone surfaces. By rotating the LED light source, the incident angle is changed to avoid the direction of specular reflection, and stray light is reflected in a directional manner by tilting the inner wall to improve the light intensity.

Benefits of technology

It effectively reduces interference from reflective surface materials, ensures the continuity and accuracy of detection, improves the effective light intensity of detection, and reduces the impact of reflective surfaces on detection.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses high-precision and high-density detection equipment, and relates to the field of equipment detection. The device comprises a handheld detector, the handheld detector comprises an instrument body, a detection head and an optical auxiliary ring, the instrument body is fixedly connected to a handheld rod, the detection head is fixedly connected to the front end of the instrument body, the optical auxiliary ring is rotationally connected to the front end of the detection head, LED lamp blocks and a reflective oblique conical surface are installed in the optical auxiliary ring, and the number of the LED lamp blocks is three. The LED lamp blocks are distributed on the inner side of the optical auxiliary ring in an array mode, the LED lamp blocks are used for containing illumination light reflecting materials, and the light reflecting oblique conical face is used for further reflecting a light source. When the high-precision and high-density detection equipment is used for detecting a device with a reflective outer surface material, an incident angle is continuously changed through the external rotary LED light source, light rays of at least part of angles are ensured to avoid the mirror reflection direction, stray light is directionally reflected through the inclined inner wall, the effective illumination intensity is improved, and finally interference of the reflective outer surface material is reduced.
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Description

Technical Field

[0001] This utility model relates to the field of equipment testing technology, specifically a high-precision, high-density testing device. Background Technology

[0002] High-precision inspection equipment, such as total stations, coordinate measuring machines (CMMs), and handheld laser scanners, has evolved from mechanical to digital methods, relying on advancements in optical, electronic, and computer technologies. Total stations integrate electronic theodolites and photoelectric distance measuring instruments, achieving digital angle measurement through coded or grating dials, and are widely used in engineering construction and terrain monitoring. Coordinate measuring machines, through high-precision mechanical guides and contact / non-contact sensors, perform dimensional measurement and quality control of complex parts. Handheld laser scanners, as portable non-contact measuring tools, employ laser triangulation. They project a line / point light source through a laser emitter, combined with a CCD / CMOS sensor to receive reflected light, and calculate the depth information of an object's surface using the principle of triangle similarity. Their structure includes a laser module, a receiving module, a control unit, and a self-positioning system. This equipment replaces traditional measurement methods in industrial inspection, rapidly completing full-dimensional inspections of automotive molds and aerospace parts.

[0003] Existing handheld laser scanners often fail to detect objects or devices with reflective surfaces. This is because the laser or optical signal is strongly reflected, resulting in noise, overexposure, or data loss. To address these issues, this invention provides a high-precision, high-density detection device. Utility Model Content

[0004] To address the shortcomings of existing technologies, this invention provides a high-precision, high-density detection device that solves the problem that existing handheld laser scanners, when encountering devices and apparatuses with reflective surfaces, suffer from noise, overexposure, or data loss due to strong reflection of laser or optical signals, leading to detection failures or errors.

[0005] To achieve the above objectives, this utility model provides the following technical solution: a high-precision, high-density detection device, comprising a handheld detector, the handheld detector including an instrument body, a detection head, and an optical auxiliary ring, the instrument body being fixedly connected to a handheld handle, the detection head being fixedly connected to the front end of the instrument body, and the optical auxiliary ring being rotatably connected to the front end of the detection head, the optical auxiliary ring containing LED blocks and a reflective conical surface, the LED blocks being arranged in three groups, the LED block array being distributed inside the optical auxiliary ring, the LED blocks being used to place illumination reflective material, and the reflective conical surface being used to further reflect the light source.

[0006] Preferably, a rotating gear ring is fixedly connected to the back end of the optical auxiliary ring, the rotating gear ring is rotatably connected inside the detection head, and a drive gear is rotatably connected to the detection head. The drive gear meshes with the rotating gear ring, and the drive gear is used to drive the rotating gear ring and the optical auxiliary ring to rotate.

[0007] Preferably, the detection head includes a laser measuring lens, an outer rotating groove, and a third chamber. The laser measuring lens is used for laser ranging. The outer rotating groove is formed inside the detection head. The rotating gear ring is rotatably connected inside the outer rotating groove. The third chamber is formed at the upper end of the outer rotating groove. The drive gear is rotatably connected inside the third chamber.

[0008] Preferably, the detection head further includes an inner locking groove, and a locking ring is fixedly connected to the back end of the optical auxiliary ring, the locking ring being rotatably connected within the inner locking groove.

[0009] Preferably, the detection head further includes a servo motor, which is fixedly connected to the top of the detection head, and the drive gear is fixedly connected to the power output end of the servo motor.

[0010] Preferably, the handheld detector further includes a handheld handle, which is fixedly connected to the bottom of the instrument body.

[0011] Its beneficial effects are as follows:

[0012] 1. This high-precision, high-density testing equipment, by setting a rotatable optical auxiliary ring at the front end of the testing head, enables the external rotating LED light source to continuously change the incident angle when testing devices with reflective surface materials, ensuring that light rays at least at a certain angle avoid the direction of specular reflection, and by directionally reflecting stray light through the inclined inner wall, the effective light intensity is improved, ultimately reducing the interference of reflective surface materials. Attached Figure Description

[0013] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0014] Figure 1 This is a schematic diagram of the overall front structure of this utility model;

[0015] Figure 2 This is a schematic diagram of the overall side structure of this utility model;

[0016] Figure 3 This is a schematic diagram of the overall exploded structure of this utility model;

[0017] Figure 4 This is a schematic diagram of the cross-sectional structure of the detection head of this utility model;

[0018] Figure 5 This is a schematic diagram of the front structure of the optical auxiliary ring of this utility model;

[0019] Figure 6 This is a schematic diagram of the back structure of the optical auxiliary ring of this utility model.

[0020] In the diagram: 1. Handheld detector; 11. Handheld lever; 12. Instrument body; 13. Detection head; 131. Laser measuring lens; 132. Inner locking groove; 133. Outer rotating groove; 134. Third chamber; 135. Drive gear; 136. Servo motor; 14. Optical auxiliary ring; 141. LED light block; 142. Reflective oblique cone surface; 143. Rotating gear ring; 144. Locking ring. Detailed Implementation

[0021] To make the objectives, technical solutions, and advantages of the embodiments of this utility model clearer, the technical solutions in the embodiments of this utility model are described clearly and completely. Obviously, the described embodiments are only some embodiments of this utility model, not all embodiments. Based on the embodiments of this utility model, all other embodiments obtained by those skilled in the art without creative effort are within the protection scope of this utility model.

[0022] To better understand the above technical solutions, the following will provide a detailed explanation of the technical solutions in conjunction with the accompanying drawings and specific implementation methods.

[0023] This utility model discloses a high-precision, high-density detection device, according to the appendix. Figure 1-5 As shown, the device includes a handheld detector 1, which comprises an instrument body 12, a detection head 13, and an optical auxiliary ring 14. The instrument body 12 is fixedly connected to a handheld handle 11, the detection head 13 is fixedly connected to the front end of the instrument body 12, and the optical auxiliary ring 14 is rotatably connected to the front end of the detection head 13. LED light blocks 141 and reflective oblique cone surfaces 142 are installed inside the optical auxiliary ring 14. Three sets of LED light blocks 141 are arranged in an array distributed inside the optical auxiliary ring 14. The LED light blocks 141 are used to place illumination reflective materials, eliminate reflection interference through dynamic multi-angle illumination, and further reflect the light source through the reflective oblique cone surfaces 142.

[0024] According to the appendix Figure 4 and 6As shown, further, a rotating gear ring 143 is fixedly connected to the back end of the optical auxiliary ring 14. The rotating gear ring 143 is rotatably connected inside the detection head 13. A drive gear 135 is rotatably connected to the detection head 13. The drive gear 135 meshes with the rotating gear ring 143. The drive gear 135 is used to drive the rotating gear ring 143 and the optical auxiliary ring 14 to rotate.

[0025] According to the appendix Figure 4 As shown, the detection head 13 further includes a laser measuring lens 131, an outer rotating groove 133, and a third chamber 134. The laser measuring lens 131 is used for laser ranging. The outer rotating groove 133 is opened inside the detection head 13. The rotating gear ring 143 is rotatably connected inside the outer rotating groove 133. The third chamber 134 is opened at the upper end of the outer rotating groove 133. The drive gear 135 is rotatably connected inside the third chamber 134.

[0026] According to the appendix Figure 4 As shown, the detection head 13 further includes an inner retaining groove 132. A retaining ring 144 is fixedly connected to the back end of the optical auxiliary ring 14. The retaining ring 144 is rotatably connected in the inner retaining groove 132. The detection head 13 also includes a servo motor 136, which is fixedly connected to the top of the detection head 13. A drive gear 135 is fixedly connected to the power output end of the servo motor 136. The servo motor 136 drives the drive gear 135 to rotate, which in turn drives the rotating gear ring 143 and the optical auxiliary ring 14 to rotate.

[0027] According to the appendix Figure 1 As shown, the handheld detector 1 also includes a handheld lever 11, which is fixedly connected to the bottom of the instrument body 12.

[0028] It should be noted that, in this document, relational terms such as "first" and "second" are used only to distinguish one entity or operation from another, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Furthermore, the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such a process, method, article, or apparatus. Without further limitations, an element defined by the phrase "comprising one..." does not exclude the presence of other identical elements in the process, method, article, or apparatus that includes said element.

[0029] The foregoing has shown and described the basic principles, main features, and advantages of this utility model. Those skilled in the art should understand that this utility model is not limited to the above embodiments. The embodiments and descriptions in the specification are merely illustrative of the principles of this utility model. Various changes and modifications can be made to this utility model without departing from its spirit and scope, and all such changes and modifications fall within the scope of the claims. The scope of protection of this utility model is defined by the appended claims and their equivalents.

Claims

1. A high-precision, high-density detection device, comprising a handheld detector (1), characterized in that, The handheld detector (1) includes: The instrument body (12) is fixedly connected to the hand handle (11); The detection head (13) is fixedly connected to the front end of the instrument body (12); An optical auxiliary ring (14) is rotatably connected to the front end of the detection head (13). An LED light block (141) and a reflective oblique cone surface (142) are installed inside the optical auxiliary ring (14). Three sets of LED light blocks (141) are arranged in an array distributed inside the optical auxiliary ring (14). The LED light blocks (141) are used to place the illumination reflective material, and the reflective oblique cone surface (142) is used to further reflect the light source.

2. The high-precision, high-density detection device according to claim 1, characterized in that, The optical auxiliary ring (14) is fixedly connected to a rotating gear ring (143) at its back end. The rotating gear ring (143) is rotatably connected inside the detection head (13). The detection head (13) is rotatably connected to a drive gear (135). The drive gear (135) meshes with the rotating gear ring (143). The drive gear (135) is used to drive the rotating gear ring (143) and the optical auxiliary ring (14) to rotate.

3. The high-precision, high-density detection device according to claim 2, characterized in that, The detection head (13) includes: A laser measuring lens (131) is used for laser ranging; An outer rotating groove (133) is formed inside the detection head (13), and the rotating toothed ring (143) is rotatably connected inside the outer rotating groove (133); The third chamber (134) is located at the upper end of the outer rotating groove (133), and the driving gear (135) is rotatably connected in the third chamber (134).

4. The high-precision, high-density detection device according to claim 3, characterized in that, The detection head (13) also includes an inner snap-fit ​​groove (132), and a snap-fit ​​ring (144) is fixedly connected to the back end of the optical auxiliary ring (14), and the snap-fit ​​ring (144) is rotatably connected in the inner snap-fit ​​groove (132).

5. The high-precision, high-density detection device according to claim 4, characterized in that, The detection head (13) also includes a servo motor (136), which is fixedly connected to the top of the detection head (13), and the drive gear (135) is fixedly connected to the power output end of the servo motor (136).

6. The high-precision, high-density detection device according to claim 1, characterized in that, The handheld detector (1) also includes a handheld lever (11), which is fixedly connected to the bottom of the instrument body (12).