CN213147797U - Multifunctional double-head laser range finder - Google Patents
Multifunctional double-head laser range finder Download PDFInfo
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- CN213147797U CN213147797U CN202021306051.4U CN202021306051U CN213147797U CN 213147797 U CN213147797 U CN 213147797U CN 202021306051 U CN202021306051 U CN 202021306051U CN 213147797 U CN213147797 U CN 213147797U
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Abstract
The utility model provides a multifunctional double-head laser range finder, which comprises a first shell and a second shell, wherein one end part of the first shell is hinged with one end part of the second shell through a rotating shaft; the first laser ranging module and the second laser ranging module are respectively arranged in the first shell and the second shell and are used for transmitting and receiving laser; the angle sensor is arranged inside the rotating shaft and used for detecting the rotating angle between the first shell and the second shell. The utility model discloses a first laser rangefinder module and second laser rangefinder module carry out the distance measurement between the check point on laser source and the determinand respectively, measure the angle between first laser rangefinder module and the second laser rangefinder module through angle sensor to based on the cosine theorem, calculate the distance between two arbitrary check points in the space.
Description
Technical Field
The utility model relates to a check out test set field particularly, relates to a multi-functional double-end laser range finder.
Background
The laser ranging technology is a technology for measuring distance by taking laser as a light source, and has the characteristics of strong anti-interference capability, high precision, non-contact type and the like. With the development of scientific technology, especially the integration and fusion of the fields of integrated circuits, signal processing technology, semiconductor chips and the like, the laser ranging technology is continuously advanced towards the directions of higher precision, higher speed and longer distance.
The development of the laser ranging technology makes the laser range finder suitable for operation, the traditional ruler measurement is time-consuming and labor-consuming, and due to the limitation of the length of the ruler, data distortion is possibly caused by accumulation of sectional measurement when long-distance detection is carried out, and the laser range finder breaks through the limitation of the traditional ruler, thereby playing unique advantages in all aspects. Along with the development and optimization of people on the laser range finder, the application range of the laser range finder is wider and wider, and the laser range finder plays an important role in the fields of terrain surveying, traffic positioning, automobile safety distance detection, mechanical industry, building construction and the like.
Through carrying out the investigation to laser range finder on the present market, the not enough that shows mainly appear: the distance between any two points in space cannot be measured. At present, the laser range finder need rely on a fixed point when carrying out length detection to throw laser to the object on, the distance that obtains is the distance of laser source to this object, belongs to the detection in the plane, can't break through the restriction that the space brought, if meet unsettled object, if measure the distance between two lamps that hang in the midair, measure the size of a window, can't use when measuring prefabricated component's in the storage yard length and width.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a multi-functional double-end laser range finder can detect the distance between two arbitrary points in the space, can effectively enlarge detection range and improve efficiency and the precision that detects between two points.
In order to solve the technical problem, the utility model discloses a technical scheme is: a multifunctional double-head laser range finder comprises a first shell and a second shell, wherein one end parts of the first shell and the second shell are hinged through a rotating shaft; the first laser ranging module and the second laser ranging module are respectively arranged in the first shell and the second shell and are used for transmitting and receiving laser so as to respectively obtain the distance length between each laser ranging module and a detection point on an object to be detected; the angle sensor is arranged inside the rotating shaft and used for detecting a rotating angle between the first shell and the second shell; the control module is arranged in the first shell or the second shell, is electrically connected with the first laser ranging module, the second laser ranging module and the angle sensor, and is used for acquiring the distance between two detection points on the object to be detected according to the distance length and the rotation angle; and the power supply unit is electrically connected with the first laser ranging module, the second laser ranging module, the angle sensor and the control module and is used for providing electric energy.
As a preferred scheme, be provided with switch panel and display screen on first casing and the second casing respectively, switch panel and display screen all with control module electric connection.
As a preferred scheme, a horizontal bubble is arranged right above the rotating shaft and used for displaying whether the distance measuring instrument is in a horizontal state or not.
Preferably, the first housing and the second housing are provided with a clamping jaw bump on one side face close to each other, and the clamping jaw bump is used for abutting against an object to be tested when the external corner detection is carried out.
As a preferred scheme, the power supply unit is a lithium battery, a charging jack is arranged on the first shell or the second shell, the charging jack is connected with the lithium battery, and the lithium battery can be powered through the charging jack.
Preferably, the rotary shaft further comprises a triangular support, and the triangular support is arranged at the bottom of the rotary shaft.
As a preferred scheme, the control module comprises a PCB and a computing unit, a Bluetooth module and a storage module which are arranged on the PCB, and the control module is electrically connected with the Bluetooth module, the storage module, the angle sensor, the first laser ranging module and the second laser ranging module.
Compared with the prior art, the beneficial effects of the utility model include: the distance measurement between the laser source and detection points on the object to be measured is respectively carried out through the first laser ranging module and the second laser ranging module, the angle measurement between the first laser ranging module and the second laser ranging module is carried out through the angle sensor, and the distance between any two detection points on the object to be measured is calculated based on the cosine theorem; the angle sensor is matched with the clamping jaw bump, so that the angle can be measured. The utility model discloses simple structure, light portable, low in cost is applicable to most engineering and detects.
Drawings
The disclosure of the present invention is explained with reference to the drawings. It is to be understood that the drawings are designed solely for the purposes of illustration and not as a definition of the limits of the invention. In the drawings, like reference numerals are used to refer to like parts. Wherein:
fig. 1 is a schematic structural view of a first embodiment of the present invention of a multifunctional double-headed laser range finder;
fig. 2 is an exploded view of a first embodiment of the present invention;
fig. 3 is a schematic block diagram of a first embodiment of the present invention;
fig. 4 is a schematic structural view of a multifunctional double-headed laser range finder according to a second embodiment of the present invention;
fig. 5 is a schematic state diagram of a multifunctional double-headed laser range finder according to a first embodiment of the present invention;
fig. 6 is a schematic state diagram of a multifunctional double-headed laser range finder according to a second embodiment of the present invention;
fig. 7 is a schematic state diagram of a multifunctional double-headed laser range finder according to a third application embodiment of the present invention;
fig. 8 is a schematic state diagram of a multifunctional double-headed laser range finder according to a fourth application embodiment of the present invention;
fig. 9 is a schematic state diagram of a multifunctional double-headed laser range finder according to a fifth application embodiment of the present invention;
fig. 10 is a schematic state diagram of a multifunctional double-headed laser range finder according to a sixth application embodiment of the present invention.
Reference numbers in the figures: 100 distancers, 200 determinants, 300A-frame, 1 first casing, 2 second casings, 3 pivots, 4 first laser ranging modules, 5 second laser ranging modules, 6PCB boards, 601 computational element, 602 memory module, 603 bluetooth module, 604 angle sensor, 7 lithium batteries, 8 connecting holes, 9 display screens, 10 switch panels, 11 clamping jaw lugs, 12 horizontal bubbles.
Detailed Description
It is easily understood that, according to the technical solution of the present invention, a plurality of structural modes and implementation modes that can be mutually replaced can be proposed by those skilled in the art without changing the essential spirit of the present invention. Therefore, the following detailed description and the accompanying drawings are only exemplary illustrations of the technical solutions of the present invention, and should not be construed as limiting or restricting the technical solutions of the present invention in its entirety or as a limitation of the present invention.
The first embodiment is as follows:
referring to fig. 1 to 3, a multifunctional double-headed laser range finder 100 comprises a first shell 1 and a second shell 2, wherein the ends of the first shell 1 and the second shell 2 are hinged, and a first laser range finding module 4 and a second laser range finding module 5 are respectively arranged inside the first shell 1 and the second shell 2 and are used for emitting and receiving laser so as to respectively obtain the distance length between detection points on the first shell and an object to be measured 200. An angle sensor 604 for detecting a rotation angle between the first casing 1 and the second casing 2 is provided at the hinge of the ends of the first casing 1 and the second casing 2.
A control module is arranged inside the first casing 1, and is used for obtaining the length of the distance between the two detection points on the object to be detected 200 according to the distance length and the rotation angle. The control module comprises a PCB 6, and a calculation unit 601, a storage module 602 and a Bluetooth module 603 which are arranged on the PCB 6, wherein the calculation unit 601 is electrically connected with the Bluetooth module 603, the storage module 602, an angle sensor 604, the first laser ranging module 4 and the second laser ranging module 5.
The model of the calculating unit 601 can adopt an SH79F161A type single chip microcomputer, the model of the Bluetooth module 603 can adopt an HC-05 master-slave integrated Bluetooth module board, the model of the storage module 602 can adopt an AT24C256 type storage, the model of the angle sensor 604 can adopt an SV01A103AEA01R00 type rotation angle sensor, and the models of the first laser ranging module 4 and the second laser ranging module 5 can adopt USB-TTL/STC-ISP.
Specifically, the first laser ranging module 4 and the second laser ranging module 5 both include a laser emitting module and a laser receiving module, the laser emitting module emits laser to the object 200 to be measured, the laser receiving module receives the laser returned by the object 200 to be measured, and the distance between the laser emitting source and the detection point on the object 200 to be measured can be obtained by calculating the speed of light and the time.
One end parts of the first shell 1 and the second shell 2 are provided with through holes 8, the rotating shaft 3 is inserted in the through holes 8, the connecting shaft of the angle sensor 604 is coaxially connected with the rotating shaft 3, when the first shell 1 and the second shell 2 rotate relatively, the angle sensor 604 also rotates relatively, the relative rotation angle corresponds to the relative rotation angle between the first shell 1 and the second shell 2, and therefore angle data between the first shell 1 and the second shell 2 are detected.
The bluetooth module 603 is used as a common communication module, and is mainly connected with an external terminal to send corresponding data information; the memory module 602 is disposed on the PCB board 6 and mainly stores the detected data.
The calculating unit 601 mainly functions to receive the length data obtained by the first laser ranging module 4 and the second laser ranging module 5 and the angle data obtained by the angle sensor 604, and calculate the length between two detection points of the object 200 to be measured by using the cosine law. The calculation principle and formula are as follows:
by using the cosine theorem, for any triangle, the square of any side is equal to the sum of the squares of the other two sides minus twice the cosine product of the two sides and their included angles, which can be expressed by the following formula
c2＝a2+b22abcos γ, where a, b are the side lengths of two known sides of the triangle, c is the side length of the side of the triangle to be solved, and γ is the angle between the sides a, b.
Setting the distance between two points to be detected in the space as L, respectively irradiating the laser onto the two points, after receiving the two distance length data L1 and L2 provided by the first laser ranging module 4 and the second laser ranging module 5 and the angle value provided by the angle sensor 604, the calculating unit 601 calculates the distance L between the two points in the space by using the cosine law, which can be expressed by the following formula
The embodiment of the utility model provides an in, still include power supply unit, power supply unit and first laser rangefinder module 4, second laser rangefinder module 5, angle sensor 604 and computational element electric connection for provide the electric energy. This power supply unit is lithium cell 7, still is provided with the jack that charges on first casing 1 or the second casing 2, and the jack that charges links to each other with lithium cell 7, and the accessible is charged the jack and is supplied power for lithium cell 7.
The first casing 1 and the second casing 2 are respectively provided with a switch panel 10 and a display screen 9, and the switch panel 10 and the display screen 9 are electrically connected with the computing unit 601. The display screen 9 can visually display the size of the current measured data, so that the data can be conveniently read by a detector; the switch panel 10 includes a plurality of keys for controlling operations of the rangefinder 100 such as turning on, turning off, resetting, switching modes, and the like.
Further, a horizontal bubble 12 is provided right above the rotary shaft 3 to indicate whether the distance meter 100 is in a horizontal state. During detection, the distance meter 100 needs to be adjusted to a horizontal state, i.e. the bubbles in the horizontal bubbles 12 are in the middle of the tube.
Example two
Referring to fig. 4, the difference between the multifunctional double-headed laser range finder 100 provided in this embodiment and the first embodiment is that the clamping jaw protruding blocks 11 are oppositely disposed on one side surface of the first casing 1 and the second casing 2 close to each other, and when the clamping jaw protruding blocks 11 are used for detecting the external corner of the object 200 to be measured, the clamping jaw protruding blocks are used for abutting against the external wall surface of the object 200 to be measured, and the angle sensor 604 can be used for measuring whether the angle of the object 200 to be measured meets the standard.
Referring to fig. 5, when detecting the length of a plate member placed perpendicular to the ground, a detector holds the distance meter 100 by hand, presses a switch key on the switch panel 10 to turn on the meter, adjusts the meter, and when the bubble is located in the middle of the horizontal bubble 12, the meter reaches a horizontal state to prevent the distortion of detection data caused by the left and right inclination of the meter; emitting laser to the left end and the right end of a plate component by adjusting the rotation angle between the first shell 1 and the second shell 2; after obtaining the data, the calculation unit 601 displays the measured data on the display screen 9 for observation. The handheld detection has the advantages of flexible movement, convenience in detection and the like.
Application example two
Referring to fig. 6, when detecting the length of a fluorescent lamp tube suspended in the air, a detector holds the instrument by hand, presses a switch key on a switch panel 10 to turn on the instrument, adjusts the instrument, and when the bubble is positioned in the middle of a horizontal bubble 12, the instrument reaches a horizontal state to prevent the detection data from being distorted due to left and right inclination of the instrument; laser is emitted to the left end and the right end of a fluorescent lamp tube by adjusting the rotation angle between the first shell 1 and the second shell 2; the calculation unit 601 displays the measurement data on the display screen 9 for observation.
Application example three
Referring to fig. 7, when detecting the length of a plate member placed perpendicular to the ground, the detecting person can also connect the internal thread at the bottom of the apparatus with the corresponding triangular bracket 300 without holding the apparatus by hand for the corresponding detection activity, which is suitable for the detection in the relatively fixed environment of the factory.
Application example four
Referring to fig. 8, when detecting the length of the beam between two columns, the detector holds the instrument by hand, presses the switch key on the switch panel 10 to turn on the instrument, adjusts the instrument, and when the bubble is located in the middle of the horizontal bubble, the instrument reaches the horizontal state to prevent the detection data distortion caused by the left and right inclination of the instrument; emitting laser to the left and right included angles of the beam column by adjusting the rotation angle between the first shell 1 and the second shell 2; the calculation unit 601 displays the measurement data on the display screen 9 for observation.
Application example five
Referring to fig. 9, when the external corner is detected, a detector holds the apparatus by hand, presses a switch key on the switch panel 10 to turn on the apparatus, switches the detection mode to an angle detection mode, tightly attaches the clamping jaw protrusions 11 on the first casing 1 and the second casing 2 to two surfaces of the external corner of the object 200 to be detected, and the angle sensor 604 sends the detected angle data to the calculation unit 601 and displays the data on the display screen 9, so that whether the external corner angle of the object 200 to be detected meets the requirement can be detected by the apparatus.
Application example six
Referring to fig. 10, when detecting the internal corner, the inspector holds the apparatus by hand, presses the switch key on the switch panel 10 to turn on the apparatus, switches the detection mode to the angle detection mode, attaches the outer sides of the first casing 1 and the second casing 2 to the two surfaces of the internal corner of the object 200 to be detected, and the angle sensor 604 transmits the detected angle data to the calculation unit 601 and displays the data on the display screen 9, so that the apparatus can detect whether the internal corner angle of the object 200 to be detected meets the requirement.
It should be noted that the utility model discloses a multi-functional double-end laser range finder 100, wherein components and parts such as laser rangefinder module, calculating unit 601, storage module 602, bluetooth module 603 and angle sensor 604 that relate to are commercially available common parts, for the well-known art, and its specific structure and theory of operation are not repeated here.
The technical scope of the present invention is not limited to the content in the above description, and those skilled in the art can make various modifications and alterations to the above embodiments without departing from the technical spirit of the present invention, and these modifications and alterations should fall within the protection scope of the present invention.
Claims (6)
1. A multi-functional double-end laser range finder which characterized in that includes:
the device comprises a first shell and a second shell, wherein one end parts of the first shell and the second shell are hinged through a rotating shaft;
the first laser ranging module and the second laser ranging module are respectively arranged in the first shell and the second shell and are used for transmitting and receiving laser so as to respectively obtain the distance length between each laser ranging module and a detection point on an object to be detected;
the angle sensor is arranged inside the rotating shaft and used for detecting a rotating angle between the first shell and the second shell;
the control module is arranged in the first shell or the second shell, is electrically connected with the first laser ranging module, the second laser ranging module and the angle sensor, and is used for acquiring the distance between two detection points on the object to be detected according to the distance length and the rotation angle;
the power supply unit is electrically connected with the first laser ranging module, the second laser ranging module, the angle sensor and the control module and is used for providing electric energy;
the clamping jaw convex block is arranged on one side face, close to each other, of the first shell and the second shell and used for being abutted to an object to be detected when the external corner detection is carried out.
2. The multifunctional double-headed laser range finder according to claim 1, wherein a switch panel and a display screen are respectively disposed on the first housing and the second housing, and both the switch panel and the display screen are electrically connected to the control module.
3. The multifunctional double-headed laser range finder according to claim 1, wherein a horizontal bubble is provided directly above the rotating shaft for displaying whether the range finder is in a horizontal state.
4. The multifunctional double-headed laser range finder according to claim 1, wherein the power supply unit is a lithium battery, and a charging jack is further provided on the first casing or the second casing, the charging jack is connected with the lithium battery, and the lithium battery can be supplied with power through the charging jack.
5. The multifunctional double-headed laser range finder according to claim 1, further comprising a triangular bracket disposed at the bottom of the rotating shaft.
6. The multifunctional double-headed laser range finder according to claim 1, wherein the control module comprises a PCB board, and a computing unit, a bluetooth module and a storage module which are arranged on the PCB board, the computing unit is electrically connected with the bluetooth module, the storage module, the angle sensor, the first laser range finder module and the second laser range finder module.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021306051.4U CN213147797U (en) | 2020-07-07 | 2020-07-07 | Multifunctional double-head laser range finder |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021306051.4U CN213147797U (en) | 2020-07-07 | 2020-07-07 | Multifunctional double-head laser range finder |
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| Publication Number | Publication Date |
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| CN213147797U true CN213147797U (en) | 2021-05-07 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202021306051.4U Expired - Fee Related CN213147797U (en) | 2020-07-07 | 2020-07-07 | Multifunctional double-head laser range finder |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113998108A (en) * | 2021-11-01 | 2022-02-01 | 国网河北省电力有限公司建设公司 | Tower tip inclination angle measuring device |
| CN114019524A (en) * | 2021-11-30 | 2022-02-08 | 龙信建设集团有限公司 | Multifunctional binocular laser detection system |
| CN114427848A (en) * | 2022-04-06 | 2022-05-03 | 广东省有色工业建筑质量检测站有限公司 | Building deformation detection device and method |
| CN116494857A (en) * | 2023-06-27 | 2023-07-28 | 宁波军鸽防务科技有限公司 | Intelligent transport vechicle based on face identification |
-
2020
- 2020-07-07 CN CN202021306051.4U patent/CN213147797U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113998108A (en) * | 2021-11-01 | 2022-02-01 | 国网河北省电力有限公司建设公司 | Tower tip inclination angle measuring device |
| CN114019524A (en) * | 2021-11-30 | 2022-02-08 | 龙信建设集团有限公司 | Multifunctional binocular laser detection system |
| CN114427848A (en) * | 2022-04-06 | 2022-05-03 | 广东省有色工业建筑质量检测站有限公司 | Building deformation detection device and method |
| CN116494857A (en) * | 2023-06-27 | 2023-07-28 | 宁波军鸽防务科技有限公司 | Intelligent transport vechicle based on face identification |
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Granted publication date: 20210507 |