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WO2018171276A1 - 一种微镜扫平仪 - Google Patents

一种微镜扫平仪 Download PDF

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Publication number
WO2018171276A1
WO2018171276A1 PCT/CN2017/118380 CN2017118380W WO2018171276A1 WO 2018171276 A1 WO2018171276 A1 WO 2018171276A1 CN 2017118380 W CN2017118380 W CN 2017118380W WO 2018171276 A1 WO2018171276 A1 WO 2018171276A1
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Prior art keywords
micromirror
module
laser beam
laser
sweeper
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PCT/CN2017/118380
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English (en)
French (fr)
Inventor
张瓯
丁鼎
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CHANGZHOU HUADA KEJIE OPTO-ELECTRO INSTRUMENT Co Ltd
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CHANGZHOU HUADA KEJIE OPTO-ELECTRO INSTRUMENT Co Ltd
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Publication of WO2018171276A1 publication Critical patent/WO2018171276A1/zh
Anticipated expiration legal-status Critical
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  • the invention relates to a micromirror sweeper in the field of construction.
  • the structure of the existing laser leveling device is to emit laser light from a single light source, form a point to the outside through the pentagonal prism, and then rotate the laser emitting part of the instrument at a high speed by the motor to form a circumferentially shaped laser line on the target wall.
  • the disadvantage of such an instrument is that it is bulky, heavy in weight and energy-consuming due to the inclusion of the motor.
  • the present invention proposes a micromirror sweeper that replaces the optical path structure of a conventional leveling device. Due to the intelligent programming of the micromirror, the present invention can satisfy the functions of the conventional laser leveling device, and at the same time make it intelligent and lightweight. Chemical.
  • the cumbersome calibration assembly process of the traditional sweeper can be abandoned, and the development of its intelligence and lightness can be realized.
  • the invention discloses a micromirror level sweeper, comprising: a laser source module emitting a laser beam; a micromirror optical module receiving the laser beam; the micromirror optical module comprising micro scanning lenses, the micro scanning lenses are in mutual Moving in two perpendicular directions, the laser beam is reflected by the micro-scanning lens to a target object, the target object reflects the laser beam back to the scanning galvanometer module to form a reflected laser; the light detecting module Receiving a reflected laser light of the laser beam and converting the reflected laser light into an electrical signal; and a data processing module connected to the light detecting module, receiving the electrical signal and calculating distance data of the target object.
  • the micromirror optical module is a set of micromirror mechanisms fixed in the same plane.
  • the micromirror optical module comprises at least six micromirror mechanisms.
  • the scanning range of the micromirror mechanism is 60°, and the scanning range of the six micromirror mechanisms covers 360°.
  • each of the micromirror mechanisms comprises an independent light source.
  • the light detecting module and the data processing module are disposed in an embedded unit.
  • the micromirror sweeper further comprises: a laser modulation module for modulating the laser intensity and the emission time of the laser source module.
  • the micromirror sweeper further comprises: a communication module that is in interactive communication with a mobile device.
  • the micromirror sweeper further comprises: a human-computer interaction module, the human-computer interaction module comprising a user interface and a display.
  • the micromirror sweeper further comprises: a power module, the power module being provided by one of a disposable battery pack, a rechargeable battery or an external regulated power supply.
  • FIG. 1 is a schematic structural view of a system of a micromirror level sweeper in accordance with a preferred embodiment of the present invention
  • the micromirror sweeper includes the following equipment:
  • the laser source module is arranged inside the micromirror sweeper to emit a laser beam outward.
  • the micromirror optical module includes a micro-scanning lens that moves in two directions perpendicular to each other such that the laser beam is reflected by the micro-scanning lens to a target object, and the target object is The laser beam is reflected back to the scanning galvanometer module to form a reflected laser; the micromirror optical module includes at least six micromirror mechanisms. Since the scanning range of a single micromirror mechanism is 60° and the scanning range of the six micromirror mechanisms covers 360°, a programmable variable image can be projected in a omnidirectional plane. Each micromirror mechanism contains an independent light source.
  • the scanning galvanometer module After the scanning galvanometer module receives the reflected laser light, the reflected laser light is reflected to the light detecting module. After receiving the reflected laser light, the light detecting module converts the reflected laser light into an electrical signal, and further processes the electrical signal.
  • the electrical signal may include the frequency, phase, intensity, etc. of the laser beam emitted by the laser source module, as well as the frequency, phase, intensity, etc. of the reflected laser light.
  • the device is connected to the light detecting module, receives the electrical signal converted by the light detecting module and the information of the laser beam carried in the electrical signal, and processes the information to calculate the distance data between the target object and the laser source. Specifically, after the electrical signal is transmitted by the light detecting module to the data processing module, the data processing module extracts the information of the laser beam from the electrical signal, and calculates the cause of the phase difference according to the corresponding principle, that is, the target object. Distance data.
  • the photodetection module and the data processing module can be placed in an embedded unit to facilitate programming by the user, and the micromirror sweeper can be handheld.
  • the micromirror sweeper further includes a laser modulation module that can select different modulation modes for incorrect measurement requirements. For example, when the measured value is calculated based on the time difference of the laser emission reception, the pulse modulation mode can be selected, and when the measured value is calculated based on the phase difference received by the laser emission, the sinusoidal waveform mode can be selected. Therefore, for different modes of demand, the laser modulation module can adjust the laser beam emitted by the laser source module to be converted into a desired form.
  • the micromirror sweeper of the present invention in order to further facilitate the operation of the user, the micromirror sweeper further includes a communication module or a human-computer interaction module.
  • the communication module can communicate with the mobile device, and the mobile device can be installed with application software, and the user can switch to indirectly through the communication module to the drive circuit through operation of the application software.
  • the human-computer interaction module can provide an operation interface to a user who does not have a mobile device, and includes a user interface and a display, and the user can directly input an instruction in the user interface.
  • the micromirror sweeper can be a choice of a separate device with a mobile device or a separate option from a mobile device.
  • the human-computer interaction module can be placed inside the micromirror, or in an external fixed position. This embodiment does not limit the locations of the communication module, the mobile device, and the human-machine interaction module.
  • the power supply of the micromirror sweeper can be provided by a power module, which can be a disposable battery pack and manually replaced by a user; or a rechargeable battery, such as a lithium battery, can be powered by an external power source; An external external regulated power supply is optional.

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Abstract

一种微镜扫平仪，包括：激光源模块，发出激光束；微镜光学模块，接收激光束，并将激光束反射至一目标物体，目标物体将激光束反射回微镜光学模块形成反射激光；光检测模块，接收反射激光，并将反射激光转换为电信号；数据处理模块，与光检测模块连接，接收电信号并计算目标物体的距离数据。微镜扫平仪用微镜光学系统替代了传统扫平仪中的旋转机构与光路机构，微镜光学系统采用固定在同一平面内的一组微镜机构来覆盖360°的范围。由于微镜光学系统的编程性，实现传统激光扫平仪的功能，同时使仪器智能化和轻便化。

Description

一种微镜扫平仪 技术领域
本发明涉及建筑领域的一种微镜扫平仪。
背景技术
现有的激光扫平仪的结构是从单光源发出激光，经过五角棱镜后形成一个射向外部的点，再通过电机高速旋转仪器的激光出射部位，从而在目标墙体上形成圆周形状的激光线，这样的仪器缺点在于因包含电机而导致体积大，机身重，能耗大。
为此本发明提出了一种替代传统扫平仪光路结构的微镜扫平仪，由于微镜的智能编程性，本发明将可以满足传统激光扫平仪所具备的功能，同时可以使其智能化和轻便化。
发明内容
为了克服上述技术缺陷，本发明的目的在于提供一种微镜扫平仪，这样的扫平仪可以实现传统扫平仪的功能。并且其生产中可以抛弃传统扫平仪繁琐的校准装配工艺，实现其智能化和轻便化的发展。
本发明公开了一种微镜扫平仪，包括：激光源模块，发出激光束；微镜光学模块，接收所述激光束；所述微镜光学模块包括微型扫描镜片，所述微型扫描镜片在相互垂直的两个方向上进行移动，使得所述激光束经所述微型扫描镜片反射至一目标物体，所述目标物体将所述激光束反射回所述扫描振镜模块形成反射激光；光检测模块，接收所述激光束的反射激光，并将所述反射激光转换为电信号；数据处理模块，与所述光检测模块连接，接收所述 电信号并计算所述目标物体的距离数据。
优选地，所述微镜光学模块为固定在同一平面内的一组微镜机构。
优选地，所述微镜光学模块包含至少六个微镜机构。
优选地，所述微镜机构的扫描范围在60°，六个微镜机构的扫描范围覆盖360°。
优选地，所述每个微镜机构包含独立光源。
优选地，所述光检测模块及数据处理模块置于一嵌入式单元内。
优选地，所述微镜扫平仪还包括：激光调制模块，用于调制所述激光源模块的激光强度和发射时间。
优选地，所述微镜扫平仪还包括：通信模块，与一移动设备交互通信。
优选地，所述微镜扫平仪还包括：人机交互模块，所述人机交互模块包括有用户界面、显示器。
优选地，所述微镜扫平仪还包括：电源模块，所述电源模块由一次性电池包、可充电电池或外部稳压电源之一提供。
附图说明
图1为符合本发明一优选实施例中微镜扫平仪的系统结构示意图；
具体实施方式
以下结合附图与具体实施例进一步阐述本发明的优点。
参阅图1，本发明中，微镜扫平仪包括有以下设备：
激光源模块
作为微镜扫平仪的核心设备，激光源模块设于微镜扫平仪的内部，向外发出激光束。
微镜光学模块
所述微镜光学模块包括微型扫描镜片，所述微型扫描镜片在相互垂直的两个方向上进行移动，使得所述激光束经所述微型扫描镜片反射至一目标物 体，所述目标物体将所述激光束反射回所述扫描振镜模块形成反射激光；所述微镜光学模块包含至少六个微镜机构。由于单个微镜机构的扫描范围在60°，六个微镜机构的扫描范围覆盖360°，则可在全方位的平面内投射可编程可变化的图像。每个微镜机构包含独立光源。
光检测模块
当扫描振镜模块接收反射激光后，将反射激光反射至光检测模块处，接收到反射激光后，光检测模块将反射激光转换为电信号，待后续对电信号进一步处理。电信号可包括激光源模块发出的激光束的频率、相位、强度等，以及反射激光的频率、相位、强度等。
数据处理模块
与光检测模块连接，接收光检测模块所转换的电信号及电信号内所承载的激光束的信息，并对上述信息进行处理，以计算得出目标物体与激光源的距离数据。具体地，当电信号由光检测模块传输至数据处理模块后，数据处理模块自电信号中提取激光束的信息，并根据相应的原理，计算得出相位差导致的原因，也即目标物体的距离数据。
上述实施例中，光检测模块和数据处理模块可置于一嵌入式单元内，方便使用者对其编程，可实现将微镜扫平仪手持化。
优选地或可选地，微镜扫平仪还包括有激光调制模块，可针对不对的测量要求选择不同的调制模式。如，当以激光发射接收的时间差为基础计算测量值时，可选择脉冲调制模式，当以激光发射接收的相位差为基础计算测量值时，可选择正弦曲线波形模式。因此，针对不同需要的模式，激光调制模块可将激光源模块发出的激光束进行调整，以转化为期望的形式。
鉴于本发明中的微镜扫平仪可手持化，为进一步方便使用者的操作，微镜扫平仪还包括通信模块或人机交互模块。如为了与使用者的智能设备进行互联，通信模块可与移动设备交互通信，移动设备内可安装有应用软件，使用者可通过对应用软件的操作，转换为间接地通过通信模块转发至驱动电路的操作。而人机交互模块可以向不具有移动设备的使用者提供操作界面，其 包括有用户界面和显示器，使用者可直接在用户界面输入指令，可以理解的是，即便是使用者使用智能设备的情况下，微镜扫平仪可以是和移动设备结合成单独装置的选择，亦或是与移动设备独立的选择。而人机交互模块可置于微镜扫平仪的内部，亦或是外部固定位置的设置。本实施例并未对通信模块、移动设备和人机交互模块的位置进行限定。
而实施例中微镜扫平仪的供电可由电源模块提供，电源模块可以是一次性电池包，由使用者人工替换；或是可充电电池，如锂电池等，接外部电源供电；亦或是直接外接一外部稳压电源，均是可选择的方式。
应当注意的是，本发明的实施例有较佳的实施性，且并非对本发明作任何形式的限制，任何熟悉该领域的技术人员可能利用上述揭示的技术内容变更或修饰为等同的有效实施例，但凡未脱离本发明技术方案的内容，依据本发明的技术实质对以上实施例所作的任何修改或等同变化及修饰，均仍属于本发明技术方案的范围内。

Claims (10)

  1. 一种微镜扫平仪，其特征在于，包括：
    激光源模块，发出激光束；
    微镜光学模块，接收所述激光束；
    所述微镜光学模块包括微型扫描镜片，所述微型扫描镜片在相互垂直的两个方向上进行移动，使得所述激光束经微型扫描镜片反射至一目标物体，所述目标物体将所述激光束反射回所述扫描振镜模块形成反射激光；
    光检测模块，接收所述激光束的反射激光，并将所述反射激光转换为电信号；
    数据处理模块，与所述光检测模块连接，接收所述电信号并计算所述目标物体的距离数据。
  2. 如权利要求1所述的微镜扫平仪，其特征在于：所述微镜光学模块为固定在同一平面内的一组微镜机构。
  3. 如权利要求1所述的微镜扫平仪，其特征在于：所述微镜光学模块包含至少六个微镜机构。
  4. 如权利要求2所述的微镜扫平仪，其特征在于：所述微镜机构的扫描范围在60°，六个微镜机构的扫描范围覆盖360°。
  5. 如权利要求2所述的微镜扫平仪，其特征在于：每个微镜机构包含独立光源。
  6. 如权利要求1所述的微镜扫平仪，其特征在于，所述光检测模块及数据处理模块置于一嵌入式单元内。
  7. 如权利要求1所述的微镜扫平仪，其特征在于，所述微镜扫平仪还包括：激光调制模块，用于调制所述激光源模块的激光强度和发射时间。
  8. 如权利要求1所述的微镜扫平仪，其特征在于，所述微镜扫平仪还包 括：通信模块，与一移动设备交互通信。
  9. 如权利要求1所述的微镜扫平仪，其特征在于，所述微镜扫平仪还包括：人机交互模块，所述人机交互模块包括有用户界面、显示器。
  10. 如权利要求1所述的微镜扫平仪，其特征在于，所述微镜扫平仪还包括：电源模块，所述电源模块由一次性电池包、可充电电池或外部稳压电源之一提供。
PCT/CN2017/118380 2017-03-21 2017-12-25 一种微镜扫平仪 Ceased WO2018171276A1 (zh)

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US11754393B2 (en) 2020-12-01 2023-09-12 Milwaukee Electric Tool Corporation Laser level interface and control

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US20090059179A1 (en) * 2007-08-30 2009-03-05 Tomoki Kobori Image displaying apparatus, and a method for adjusting vibrating condition of a reflection mirror in the image displaying apparatus
CN103399402A (zh) * 2013-08-13 2013-11-20 国家纳米科学中心 一种电磁驱动微型二维扫描镜装置
CN104296698A (zh) * 2014-10-27 2015-01-21 广州飞拓优视光电科技有限公司 一种超高精度的光学表面平整度测量方法

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6618132B1 (en) * 1997-09-12 2003-09-09 The Regents Of The University Of California Miniature laser tracker
CN101118314A (zh) * 2007-07-31 2008-02-06 北京汇冠新技术有限公司 一种使用mems微镜检测触摸物坐标的光路系统
US20090059179A1 (en) * 2007-08-30 2009-03-05 Tomoki Kobori Image displaying apparatus, and a method for adjusting vibrating condition of a reflection mirror in the image displaying apparatus
CN101344591A (zh) * 2008-08-22 2009-01-14 清华大学 一种微型激光二维扫描测量系统
CN103399402A (zh) * 2013-08-13 2013-11-20 国家纳米科学中心 一种电磁驱动微型二维扫描镜装置
CN104296698A (zh) * 2014-10-27 2015-01-21 广州飞拓优视光电科技有限公司 一种超高精度的光学表面平整度测量方法

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11754393B2 (en) 2020-12-01 2023-09-12 Milwaukee Electric Tool Corporation Laser level interface and control

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