WO2022166311A1 - Niveau laser - Google Patents

Niveau laser Download PDF

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Publication number
WO2022166311A1
WO2022166311A1 PCT/CN2021/131881 CN2021131881W WO2022166311A1 WO 2022166311 A1 WO2022166311 A1 WO 2022166311A1 CN 2021131881 W CN2021131881 W CN 2021131881W WO 2022166311 A1 WO2022166311 A1 WO 2022166311A1
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WO
WIPO (PCT)
Prior art keywords
laser
laser level
sensor
module
control module
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Ceased
Application number
PCT/CN2021/131881
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English (en)
Chinese (zh)
Inventor
张瓯
朱卫平
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Changzhou Huada Kejie Optoelectronic Instruments Co Ltd
Original Assignee
Changzhou Huada Kejie Optoelectronic Instruments Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Changzhou Huada Kejie Optoelectronic Instruments Co Ltd filed Critical Changzhou Huada Kejie Optoelectronic Instruments Co Ltd
Publication of WO2022166311A1 publication Critical patent/WO2022166311A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
    • G01C15/00—Surveying instruments or accessories not provided for in groups G01C1/00 - G01C13/00
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
    • G01C9/00—Measuring inclination, e.g. by clinometers, by levels

Definitions

  • the invention relates to the technical field of laser instruments, in particular to a laser level.
  • Laser level is a kind of high-precision equipment for construction.
  • the laser level on the market also known as laser line thrower
  • All technologies have disadvantages such as large size, high cost, risk of triggering failure, difficulty in calibration, and inability to provide equipment status information.
  • the laser level receives a large impact (such as impact, drop)
  • the accuracy or function of the equipment will be affected, so the user needs to be reminded to perform the corresponding calibration, and the laser level in the prior art cannot be given after being impacted. The user prompts accordingly.
  • the laser level in the prior art is usually reminded by an indicator light when the inclination exceeds the range, and such a reminder is easily ignored by the user.
  • the purpose of the present invention is to provide a laser level that is small in size, low in cost, and can effectively alert the user when it is tilted or impacted.
  • the invention discloses a laser level, comprising a casing and a laser emitting module, wherein the laser emitting module is at least partially located in the casing,
  • the laser level also includes a sensor and a control module
  • the sensor includes an acceleration sensor and/or a gyroscope sensor, the sensor is fixedly connected to the housing, and the control module is connected to the sensor and the laser emission module;
  • the control module is used to determine whether the inclination angle of the laser level or the impact received exceeds the set threshold according to the detection result of the sensor, and control the laser emission module to change the working state when it is judged that the set threshold is exceeded.
  • the change of the working state is laser flashing or laser off.
  • the laser level further comprises a status indicator light and/or a speaker, and the status indicator light and/or the speaker is connected to the control module;
  • the control module is used to determine whether the inclination angle of the laser level or the impact received exceeds the set threshold according to the detection result of the sensor, and when it is judged that the set threshold is exceeded, the control status indicator light is always on or flashes, and/or , control the speaker to send out an alarm tone.
  • the set threshold of the tilt angle of the laser level is 3°.
  • the laser level meter further includes a communication module, and the communication module is connected with the control module and external devices.
  • the communication module includes one or more of a Bluetooth communication module, a WIFI communication module and an infrared communication module.
  • control module is a single-chip microcomputer.
  • the laser level further includes a swinging body inclined with gravity, and the laser emitting module is mounted on the swinging body.
  • the laser emitting module is controlled to change the working state (such as flashing or turning off the emitted laser) to remind the user, thereby Users can be reminded more intuitively;
  • a communication module connected to an external device is provided, so that when the tilt angle or the shock received exceeds the set threshold, a reminder message can be sent to the external device; the measured angle information can also be sent to the external device.
  • FIG. 1 is a schematic structural diagram of a laser level in an embodiment of the present invention.
  • first, second, third, etc. may be used in this disclosure to describe various pieces of information, such information should not be limited by these terms. These terms are only used to distinguish the same type of information from each other.
  • first information may also be referred to as the second information, and similarly, the second information may also be referred to as the first information, without departing from the scope of the present disclosure.
  • word "if” as used herein can be interpreted as "at the time of” or "when” or "in response to determining.”
  • the laser level includes a casing, a laser emission module, a sensor and a control module.
  • the laser emitting module is at least partially contained in the housing, preferably, a swing body inclined with gravity is provided in the housing, and the laser emitting module is fixedly mounted on the swing body.
  • the laser emitting module is used for emitting laser light.
  • the sensor includes an acceleration sensor and/or a gyroscope sensor, the sensor is fixedly connected to the housing, and the control module is connected to the sensor, and is used for determining the tilt angle of the laser level or receiving the sensor according to the detection result of the sensor. whether the shock exceeds the set threshold.
  • the control module may be a single-chip microcomputer. How to use the acceleration sensor and/or the gyro sensor to detect the tilt angle and determine the impact is well known to those skilled in the art, and is not an improvement point of the present application, and will not be described here.
  • the senor is only an acceleration sensor, in other embodiments, the sensor may only be a gyro sensor, and in other embodiments, the sensor may include both an acceleration sensor and a gyro sensor , the control module performs the detection of the tilt angle and the judgment of the impact according to the detection results of the two.
  • the acceleration sensor and/or the gyroscope sensor is used to determine the inclination angle of the instrument and the impact received.
  • the structure is simplified, the volume is reduced, and the cost of the device is reduced. And the measurement accuracy is higher.
  • the consistency of the compensation range of the laser level will be more uniform, and because the zero position and the angle threshold can be modified and adjusted by software, it is convenient and quick, which greatly improves the reliability of the instrument. manufacturability and maintainability.
  • the control module is also connected with the laser emitting module, and controls the laser emitting module to change the working state when it is determined that the set threshold is exceeded.
  • the set threshold of the inclination angle is preferably 3°
  • the set threshold of the impact is preferably the impact generated when the laser level falls freely on the hard ground from a height of 1 meter, which can be determined according to whether the detected impact acceleration reaches the threshold and duration to make a corresponding judgment.
  • the control module controls the laser emitted by the laser emission module to flash or turn off, so as to give the user the most intuitive prompt, so that the user can check and adjust in time.
  • the laser level further includes a status indicator light and/or a speaker, and the status indicator light and/or the speaker is connected to the control module.
  • the control module determines that the inclination angle or the impact of the laser level exceeds the set threshold, the control status indicator light is always on or flashes, and/or the speaker is controlled to emit an alarm sound to give an alarm.
  • the alarm state of the instrument will be restored after the device state is changed (after the device is adjusted to the normal state) or after manual operation.
  • the laser level meter further includes a communication module, and the communication module is connected with the control module and external devices.
  • the communication module includes one or more of a Bluetooth communication module, a WIFI communication module and an infrared communication module.
  • the communication module can be a mobile terminal such as the user's mobile phone, so that the user can timely detect the abnormal situation of the laser level and Corresponding processing is performed; the inclined angle information can also be sent to an external device, so that the user can adjust the laser level according to the angle information, so as to improve the accuracy of the instrument's line casting.

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  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Semiconductor Lasers (AREA)

Abstract

Niveau laser comprenant un boîtier et un module laser. Le module laser comprend un module d'émission laser ; le module laser est au moins partiellement situé dans le boîtier ; le niveau laser comprend en outre un capteur et un module de commande ; le capteur comprend un capteur d'accélération et/ou un capteur de gyroscope ; le capteur est relié à demeure au boîtier ; le module de commande est relié au capteur et au module d'émission laser ; le module de commande est utilisé pour déterminer, en fonction d'un résultat de détection du capteur, si l'angle d'inclinaison du niveau laser ou l'impact sur le niveau laser dépasse un seuil défini, et lorsqu'il est déterminé que le seuil défini est dépassé, commander au module d'émission laser de changer l'état de travail. Selon le niveau laser, la structure est simplifiée, le coût est réduit, et l'utilisateur peut recevoir une invite en temps opportun lorsque l'état est anormal.
PCT/CN2021/131881 2021-02-04 2021-11-19 Niveau laser Ceased WO2022166311A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN202120324809.5 2021-02-04
CN202120324809.5U CN214470826U (zh) 2021-02-04 2021-02-04 一种激光水平仪

Publications (1)

Publication Number Publication Date
WO2022166311A1 true WO2022166311A1 (fr) 2022-08-11

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PCT/CN2021/131881 Ceased WO2022166311A1 (fr) 2021-02-04 2021-11-19 Niveau laser

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CN (1) CN214470826U (fr)
WO (1) WO2022166311A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11846507B2 (en) 2019-01-25 2023-12-19 Stanley Black & Decker Inc. Laser level system

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN214470826U (zh) * 2021-02-04 2021-10-22 常州华达科捷光电仪器有限公司 一种激光水平仪
CN117109541A (zh) * 2022-05-17 2023-11-24 常州华达科捷光电仪器有限公司 激光投射平整方法
CN115218879B (zh) * 2022-08-02 2024-08-06 扬州翎途智能科技有限公司 一种激光水平仪的远程控制平台

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101241008A (zh) * 2007-02-06 2008-08-13 陈建军 一种激光自调整的投线仪
US20160054124A1 (en) * 2014-01-07 2016-02-25 Brent Schaefer Level device with inter changeable modules and digital features
CN106197388A (zh) * 2016-08-24 2016-12-07 广州市第四建筑工程有限公司 三维激光投线仪
CN107543535A (zh) * 2016-06-24 2018-01-05 苏州汉旺激光仪器有限公司 一种光电补偿式电子激光投线仪
CN108917733A (zh) * 2018-06-12 2018-11-30 常州尚贤智能科技有限公司 一种激光投线仪
CN112033384A (zh) * 2020-09-03 2020-12-04 珠海镭沃科技有限公司 具有角度检测功能的激光投线仪
CN112268552A (zh) * 2020-11-13 2021-01-26 王宇坤 激光投线仪
CN214470826U (zh) * 2021-02-04 2021-10-22 常州华达科捷光电仪器有限公司 一种激光水平仪

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101241008A (zh) * 2007-02-06 2008-08-13 陈建军 一种激光自调整的投线仪
US20160054124A1 (en) * 2014-01-07 2016-02-25 Brent Schaefer Level device with inter changeable modules and digital features
CN107543535A (zh) * 2016-06-24 2018-01-05 苏州汉旺激光仪器有限公司 一种光电补偿式电子激光投线仪
CN106197388A (zh) * 2016-08-24 2016-12-07 广州市第四建筑工程有限公司 三维激光投线仪
CN108917733A (zh) * 2018-06-12 2018-11-30 常州尚贤智能科技有限公司 一种激光投线仪
CN112033384A (zh) * 2020-09-03 2020-12-04 珠海镭沃科技有限公司 具有角度检测功能的激光投线仪
CN112268552A (zh) * 2020-11-13 2021-01-26 王宇坤 激光投线仪
CN214470826U (zh) * 2021-02-04 2021-10-22 常州华达科捷光电仪器有限公司 一种激光水平仪

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11846507B2 (en) 2019-01-25 2023-12-19 Stanley Black & Decker Inc. Laser level system

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