CN108151664B - Gap measuring equipment - Google Patents
Gap measuring equipment Download PDFInfo
- Publication number
- CN108151664B CN108151664B CN201810095307.2A CN201810095307A CN108151664B CN 108151664 B CN108151664 B CN 108151664B CN 201810095307 A CN201810095307 A CN 201810095307A CN 108151664 B CN108151664 B CN 108151664B
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- CN
- China
- Prior art keywords
- gap measuring
- optical fibers
- laser ranging
- measuring device
- gap
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- 239000013307 optical fiber Substances 0.000 claims abstract description 31
- 239000002184 metal Substances 0.000 claims description 3
- 239000004033 plastic Substances 0.000 claims description 3
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims 1
- 239000000741 silica gel Substances 0.000 claims 1
- 229910002027 silica gel Inorganic materials 0.000 claims 1
- 238000005259 measurement Methods 0.000 abstract description 27
- 238000010586 diagram Methods 0.000 description 3
- 229920001296 polysiloxane Polymers 0.000 description 2
- 239000004973 liquid crystal related substance Substances 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B11/00—Measuring arrangements characterised by the use of optical techniques
- G01B11/14—Measuring arrangements characterised by the use of optical techniques for measuring distance or clearance between spaced objects or spaced apertures
Abstract
The present invention provides a gap measuring apparatus including: the gap measuring device comprises a gap measuring device body and a guide pipe, wherein the gap measuring device body is provided with at least two laser ranging modules, at least two optical fibers are arranged in the guide pipe, and the at least two optical fibers are respectively connected with the at least two laser ranging modules. The clearance measurement equipment provided by the invention can extend the guide pipe into the cabin of the vehicle for measurement, is simple and convenient to operate, and can improve the accuracy of a measurement result by performing clearance measurement through the laser ranging module.
Description
Technical Field
The invention relates to the technical field of measurement, in particular to gap measurement equipment.
Background
In the vehicle development stage, clearance measurements are typically required between cabin interior piping and critical components to guide and verify the placement of cabin interior components by automotive engineers. However, because the gaps among the pipe lines, key parts and the like in the cabin of the vehicle are usually smaller, and some gaps to be measured are not directly visible, measuring tools such as a feeler gauge, a tape measure and the like are not easy to extend into the cabin of the vehicle to measure, so that the operation is inconvenient, and the measuring result is inaccurate.
In the prior art, no effective solution is proposed at present for the problem that the measurement operation of a smaller clearance in a cabin of a vehicle is inconvenient.
Disclosure of Invention
The embodiment of the invention provides clearance measurement equipment, which aims to solve the problem that the measurement operation of a smaller clearance in a vehicle cabin is inconvenient.
In order to solve the technical problems, the invention is realized as follows:
the embodiment of the invention provides clearance measurement equipment. The gap measuring apparatus includes: the gap measuring device comprises a gap measuring device body and a guide pipe, wherein the gap measuring device body is provided with at least two laser ranging modules, at least two optical fibers are arranged in the guide pipe, and the at least two optical fibers are respectively connected with the at least two laser ranging modules.
Optionally, the catheter is a flexible catheter.
Optionally, the flexible conduit is a rubber conduit or a silicone conduit.
Optionally, a fixing device for fixing the at least two optical fibers is arranged at the tail end of the flexible catheter, so that the emergent light directions of the at least two optical fibers are opposite.
Optionally, the fixing device is provided with at least two L-shaped accommodating through holes with opposite directions, and the at least two optical fibers are respectively accommodated in the at least two L-shaped accommodating through holes with opposite directions.
Optionally, the fixing device is a plastic fixing device or a metal fixing device.
Optionally, the gap measurement device body is further provided with a processor, and the processor is respectively connected with the at least two laser ranging modules.
Optionally, the gap measuring device body is further provided with a display screen and/or a measuring switch.
In the embodiment of the invention, the gap measuring equipment comprises a gap measuring equipment body and a guide pipe, wherein the gap measuring equipment body is provided with at least two laser ranging modules, at least two optical fibers are arranged in the guide pipe and are respectively connected with the at least two laser ranging modules, so that the guide pipe can extend into the cabin of the vehicle for measurement, the operation is simple and convenient, in addition, the gap measurement is carried out through the laser ranging modules, and the accuracy of a measurement result can be improved.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are needed in the description of the embodiments of the present invention will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and other drawings may be obtained according to these drawings without inventive effort to a person of ordinary skill in the art.
FIG. 1 is a schematic diagram of a gap measurement apparatus provided by an embodiment of the present invention;
fig. 2 is a schematic diagram of an application of the gap measuring device according to the embodiment of the present invention.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are some, but not all embodiments of the invention. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
The embodiment of the invention provides clearance measurement equipment. Referring to fig. 1, fig. 1 is a schematic diagram of a gap measurement device provided by an embodiment of the present invention, as shown in fig. 1, the gap measurement device includes a gap measurement device body 1 and a catheter 2, where the gap measurement device body 1 is provided with at least two laser ranging modules (not shown in the figure), and at least two optical fibers 21 are disposed in the catheter 2, and the at least two optical fibers 21 are respectively connected with the at least two laser ranging modules.
In the embodiment of the invention, a gap measuring device body 1 is connected with a guide pipe 2, and at least two optical fibers 21 arranged in the guide pipe 2 are respectively connected with at least two laser ranging modules. Optionally, the length of above-mentioned pipe can be rationally set up according to actual demand, and above-mentioned laser rangefinder module can include laser emitter, laser receiver and processing unit, and processing unit can confirm the distance between laser rangefinder module and the measured object according to the time difference that laser emitter emitted pulse laser and laser receiver received pulse laser, and above-mentioned processing unit can be the processor. It should be noted that, the laser ranging module may be any existing device that adopts laser ranging, which is not limited in the embodiment of the present invention.
In practical application, the user may extend the conduit 2 between two objects to be measured in the gap, for example, between two parts of the cabin of the vehicle, and make the outgoing light rays of at least two optical fibers in the conduit 2 perpendicular to the surfaces of the corresponding objects to be measured, so as to obtain the distance between each laser ranging module and the corresponding object to be measured, and determine the distance between two objects to be measured according to the distance between each laser ranging module and the corresponding object to be measured and the length of the conduit.
Referring to fig. 2, taking the gap measuring device body 1 as an example with two laser ranging modules, two optical fibers are disposed in the catheter 2, the outgoing light of one optical fiber of the two optical fibers is perpendicular to the surface of the first measured object 4, and the outgoing light of the other optical fiber is perpendicular to the surface of the second measured object 5, so that the two laser ranging modules can obtain the distance S1 between the first measured object 4 and the distance S2 between the second measured object 5, respectively, and the distance between the first measured object 4 and the second measured object 5 can be obtained according to the distance S1, the distance S2 and the length L of the catheter, for example, the distance between the first measured object 4 and the second measured object 5 can be (S1-L) + (S2-L).
The gap measuring equipment provided by the embodiment of the invention comprises a gap measuring equipment body and a guide pipe, wherein the gap measuring equipment body is provided with at least two laser ranging modules, at least two optical fibers are arranged in the guide pipe and are respectively connected with the at least two laser ranging modules, so that the guide pipe can extend into a cabin of a vehicle to carry out measurement, the operation is simple and convenient, and in addition, the accuracy of a measurement result can be improved by carrying out gap measurement through the laser ranging modules.
Optionally, the catheter is a flexible catheter.
In particular, the duct is a flexible duct in order to facilitate the extension of the duct into the interior of the cabin of the vehicle for clearance measurement.
Optionally, the flexible conduit is a rubber conduit or a silicone conduit.
Optionally, the end of the flexible catheter is provided with a fixing device 3 for fixing the at least two optical fibers, so that the outgoing light directions of the at least two optical fibers are opposite.
In the embodiment of the invention, the fixing device 3 is connected with the tail end of the flexible catheter and is used for fixing the outlet ends of at least two optical fibers arranged in the flexible catheter, so that the emergent rays of the at least two optical fibers can be perpendicular to the tested object and have opposite directions. Taking two optical fibers in the flexible catheter as an example, referring to fig. 1, output ends of the two optical fibers fixed on the fixing device are respectively perpendicular to two opposite side walls of the fixing device.
Alternatively, the fixing device 3 may be a plastic fixing device or a metal fixing device.
Optionally, the fixing device 3 is provided with at least two L-shaped receiving through holes with opposite directions, and the at least two optical fibers are respectively received in the at least two L-shaped receiving through holes with opposite directions.
In the embodiment of the present invention, the fixing device 3 may be a rectangular block provided with at least two L-shaped receiving through holes with opposite directions, the L-shaped receiving through holes are adapted to the optical fibers, and the at least two optical fibers are respectively received in the at least two L-shaped receiving through holes with opposite directions.
Optionally, the gap measuring device body 1 is further provided with a processor, which is respectively connected with the at least two laser ranging modules.
In the embodiment of the present invention, the gap measurement apparatus body 1 may further be provided with a processor (not shown in fig. 1), which is respectively connected to at least two laser ranging modules, and is configured to calculate a distance between two objects to be measured according to a ranging distance and a catheter length of the at least two laser ranging modules.
Optionally, the gap measuring device body is further provided with a display screen and/or a measuring switch.
In the embodiment of the present invention, the display screen may be an LED (Light Emitting Diode ) display screen, an LCD (Liquid Crystal Display ) display screen, or the like. Specifically, the display screen is used for displaying the gap measurement result so as to be convenient for a user to check. The measuring switch is used for controlling the switch of the gap measuring equipment, and is convenient for a user to operate.
By the above, the gap measuring device provided by the embodiment of the invention is provided with the flexible guide pipe, so that the small gap between objects can be measured by extending the flexible guide pipe into a narrow space such as a cabin chassis, and a gap measuring device body is not required to be placed between the objects to be measured.
The embodiments of the present invention have been described above with reference to the accompanying drawings, but the present invention is not limited to the above-described embodiments, which are merely illustrative and not restrictive, and many forms may be made by those having ordinary skill in the art without departing from the spirit of the present invention and the scope of the claims, which are to be protected by the present invention.
Claims (5)
1. A gap measuring apparatus comprising a gap measuring apparatus body and a conduit; wherein, the gap measuring equipment body is provided with at least two laser ranging modules; the catheter is a flexible catheter which is convenient to extend into; at least two optical fibers are arranged in the catheter; the at least two optical fibers are respectively connected with the at least two laser ranging modules;
the tail end of the flexible catheter is provided with a fixing device for fixing the at least two optical fibers so that the emergent light directions of the at least two optical fibers are opposite;
the flexible conduit is a rubber conduit or a silica gel conduit.
2. The gap measuring apparatus according to claim 1, wherein the fixing means is provided with at least two opposite-direction L-shaped receiving through holes, and the at least two optical fibers are respectively received in the at least two opposite-direction L-shaped receiving through holes.
3. Gap measuring device according to claim 1, characterized in that the fixing means is a plastic fixing means or a metal fixing means.
4. A gap measuring device according to any one of claims 1-3, characterized in that the gap measuring device body is further provided with a processor, connected to the at least two laser ranging modules, respectively.
5. A gap measuring device according to any one of claims 1-3, characterized in that the gap measuring device body is further provided with a display screen and/or a measuring switch.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810095307.2A CN108151664B (en) | 2018-01-31 | 2018-01-31 | Gap measuring equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810095307.2A CN108151664B (en) | 2018-01-31 | 2018-01-31 | Gap measuring equipment |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108151664A CN108151664A (en) | 2018-06-12 |
| CN108151664B true CN108151664B (en) | 2024-03-22 |
Family
ID=62459219
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810095307.2A Active CN108151664B (en) | 2018-01-31 | 2018-01-31 | Gap measuring equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108151664B (en) |
Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3729743A1 (en) * | 1987-09-04 | 1989-03-16 | Metzeler Gmbh | Method for continuous determination of the wall thickness of extrudates having a hollow profile |
| CN203100688U (en) * | 2013-02-28 | 2013-07-31 | 济南大学 | Optical fiber sensor for measuring tip clearance of rotating blades |
| CN203298894U (en) * | 2013-06-25 | 2013-11-20 | 合肥正阳光电科技有限责任公司 | Fiber grating temperature and gap double-parameter sensor |
| CN103438814A (en) * | 2013-08-29 | 2013-12-11 | 中国科学院工程热物理研究所 | Optical fiber measurement method and device of blade tip clearance |
| CN203704879U (en) * | 2014-03-04 | 2014-07-09 | 河北新四达电机制造有限公司 | Measuring equipment for measuring gap between stator and rotor of high-voltage motor |
| CN204064253U (en) * | 2014-06-23 | 2014-12-31 | 南京南瑞集团公司 | A kind of optical fiber type crack gauge |
| CN104406529A (en) * | 2014-11-25 | 2015-03-11 | 苏州市欧博锐自动化科技有限公司 | Detection system employing laser ranging to acquire width and height of object |
| CN105066893A (en) * | 2015-07-21 | 2015-11-18 | 湖南大麓管道工程有限公司 | Underground pipeline parameter measurement device and measurement method thereof |
| CN105203040A (en) * | 2014-06-30 | 2015-12-30 | 深圳东方锅炉控制有限公司 | Displacement sensor of monitoring power station air preheater rotor deformation |
| CN107071106A (en) * | 2017-04-20 | 2017-08-18 | 焦文涛 | A kind of Mobile phone for laser distance measurement and laser distance measurement method |
| CN207832136U (en) * | 2018-01-31 | 2018-09-07 | 北京汽车研究总院有限公司 | A kind of clearance measurement equipment |
-
2018
- 2018-01-31 CN CN201810095307.2A patent/CN108151664B/en active Active
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3729743A1 (en) * | 1987-09-04 | 1989-03-16 | Metzeler Gmbh | Method for continuous determination of the wall thickness of extrudates having a hollow profile |
| CN203100688U (en) * | 2013-02-28 | 2013-07-31 | 济南大学 | Optical fiber sensor for measuring tip clearance of rotating blades |
| CN203298894U (en) * | 2013-06-25 | 2013-11-20 | 合肥正阳光电科技有限责任公司 | Fiber grating temperature and gap double-parameter sensor |
| CN103438814A (en) * | 2013-08-29 | 2013-12-11 | 中国科学院工程热物理研究所 | Optical fiber measurement method and device of blade tip clearance |
| CN203704879U (en) * | 2014-03-04 | 2014-07-09 | 河北新四达电机制造有限公司 | Measuring equipment for measuring gap between stator and rotor of high-voltage motor |
| CN204064253U (en) * | 2014-06-23 | 2014-12-31 | 南京南瑞集团公司 | A kind of optical fiber type crack gauge |
| CN105203040A (en) * | 2014-06-30 | 2015-12-30 | 深圳东方锅炉控制有限公司 | Displacement sensor of monitoring power station air preheater rotor deformation |
| CN104406529A (en) * | 2014-11-25 | 2015-03-11 | 苏州市欧博锐自动化科技有限公司 | Detection system employing laser ranging to acquire width and height of object |
| CN105066893A (en) * | 2015-07-21 | 2015-11-18 | 湖南大麓管道工程有限公司 | Underground pipeline parameter measurement device and measurement method thereof |
| CN107071106A (en) * | 2017-04-20 | 2017-08-18 | 焦文涛 | A kind of Mobile phone for laser distance measurement and laser distance measurement method |
| CN207832136U (en) * | 2018-01-31 | 2018-09-07 | 北京汽车研究总院有限公司 | A kind of clearance measurement equipment |
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| Publication number | Publication date |
|---|---|
| CN108151664A (en) | 2018-06-12 |
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Effective date of registration: 20200427 Address after: 100130 Zhaofeng Town, Shunyi District, Beijing Zhaofeng industrial base Tongxin Road No. 1 Applicant after: BAIC GROUP ORV Co.,Ltd. Address before: 101300, 99, Shuanghe Avenue, Renhe Town, Beijing, Shunyi District Applicant before: BEIJING AUTOMOBILE RESEARCH GENERAL INSTITUTE Co.,Ltd. |
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