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Measurement device

A measuring device and distance measuring device technology, applied in the field of measurement, can solve the problems of large error, high cost, poor operability, etc.

Active Publication Date: 2018-12-21
BEIJING ELECTRIC VEHICLE
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The technical problem to be solved by the embodiments of the present invention is to provide a measuring device to solve the problems of poor operability, poor practicability, large error or high cost in the current measurement of the minimum distance from the ground of a car

Method used

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Embodiment Construction

[0029] In order to make the technical problems, technical solutions and advantages to be solved by the present invention clearer, the following will describe in detail with reference to the drawings and specific embodiments. In the following description, specific details, such as specific configurations and components, are provided only to assist in a comprehensive understanding of the embodiments of the present invention. Accordingly, those of ordinary skill in the art should recognize that various changes and modifications of the embodiments described herein can be made without departing from the scope and spirit of the invention. Also, descriptions of well-known functions and constructions are omitted for clarity and conciseness.

[0030] It should be understood that reference throughout this specification to "one embodiment" or "an embodiment" means that a particular feature, structure, or characteristic related to the embodiment is included in at least one embodiment of t...

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Abstract

An embodiment of the invention provides a measurement device. The device comprises a transmitting part and a receiving part which are symmetrically arranged, wherein the transmitting part comprises afirst supporting device and a light curtain transmitter; the light curtain transmitter is arranged on the first supporting device and can slide in a preset direction perpendicular to the bottom surface of the first supporting device, and the bottom surface is the end surface, in contact with the ground, of the first supporting device; the receiving part comprises a second supporting device and a light curtain receiver; the light curtain receiver is arranged on the second supporting device and can slide in the preset direction, and the light curtain receiver and the light curtain transmitter are kept on the same horizontal plane; and an alarm device is further arranged on the light curtain receiver. According to the measurement device provided by the invention, the minimum ground distance of a car is determined in a surface form through a light curtain, so that the measurement accuracy is improved, an error caused by performing measurement by manual visual selection of a lowest point toobtain the minimum ground distance in an existing measurement mode is reduced, the operability and practicability of measuring the minimum ground distance of the car are improved, and the cost is reduced.

Description

technical field [0001] The invention relates to the field of measurement technology, in particular to a measurement device. Background technique [0002] The minimum distance from the ground of a car refers to the distance from the lowest point of the chassis of the car to the ground. The positions of the measurement points are different, so in the process of measuring the minimum distance from the ground of the car, it is necessary to select the measurement points reasonably for the test model. At present, there are mainly two methods for measuring the minimum distance of the vehicle from the ground: one is to place the vehicle to be tested on the lift or enter the ditch by the measurer, and measure the minimum distance of the vehicle from the ground with a measuring ruler; the other is to The minimum distance from the ground is measured by an automatic detection system composed of a laser distance measuring device, a computer, a camera and lights. Both of the above two m...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01B11/02
CPCG01B11/02
Inventor 宋英俊
Owner BEIJING ELECTRIC VEHICLE
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