CN211824271U - Distance measuring instrument - Google Patents
Distance measuring instrument Download PDFInfo
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- CN211824271U CN211824271U CN201922307605.6U CN201922307605U CN211824271U CN 211824271 U CN211824271 U CN 211824271U CN 201922307605 U CN201922307605 U CN 201922307605U CN 211824271 U CN211824271 U CN 211824271U
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Abstract
The utility model discloses a distance measuring instrument, which comprises a handheld rod, a U-shaped wheel carrier, a distance measuring wheel, an operating panel, a microcontroller and a light source annunciator; the distance measuring wheel is inserted into the U-shaped wheel frame from the opening of the U-shaped wheel frame, the center of the distance measuring wheel is connected with the tail ends of the two openings of the U-shaped wheel frame through a rotating shaft, and one end of the handheld rod is fixed on the U-shaped wheel frame; the micro-controller is arranged in the operation panel and is communicated with the light source annunciator; the light source annunciator comprises a light source signal emitter and a light source signal receiver, and the light source signal emitter and the light source signal receiver are respectively arranged on the same horizontal plane of the inner surfaces of the two sides of the opening of the U-shaped wheel carrier; the surface of the distance measuring wheel is provided with a non-light-transmitting area, and the non-light-transmitting area is provided with a light signal channel for allowing a light source signal to pass through the distance measuring wheel. The utility model discloses a distancer utilizes microcontroller monitoring transmission frequency periodic cycle after calculate the actual measurement distance, this distancer simple structure, convenient operation, measuring result is accurate.
Description
Technical Field
The utility model relates to a measuring equipment field, especially distancer.
Background
The distance measurement is often encountered in life, the tools for measuring short distance include a meter ruler, a tape measure and the like, and the tools for measuring long distance exceeding thousands of meters include large mechanical measuring tools such as a distance measuring vehicle and the like.
When the length of the medium distance exceeding the short distance but not reaching the standard of the large mechanical measuring tool is measured, the short distance measuring tool needs to adopt segmented measurement, the segmented measurement causes larger error, and the calculation process is complex; the use of large mechanical measuring tools has the disadvantages of high economic cost, complex operation and no way of popularization and promotion. Therefore, designing an accurate measuring tool which is simple to operate, low in cost and suitable for popularization and promotion is a problem which needs to be solved urgently by technical personnel in the field.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is not enough to above-mentioned prior art, and provide the distancer, this distancer is used for measuring longer middle-end distance, the utility model discloses a technical scheme be:
the range finder comprises a range finder main body, wherein the range finder main body comprises a handheld rod, a U-shaped wheel carrier and a range finding wheel, the range finding wheel is inserted into the U-shaped wheel carrier from an opening of the U-shaped wheel carrier, the center of the range finding wheel is connected with the tail ends of two openings of the U-shaped wheel carrier through a rotating shaft, and one end of the handheld rod is fixed on the U-shaped wheel carrier; the range finder also comprises an operation panel, a microcontroller and a light source signal device; the micro-controller is arranged in the operation panel and is communicated with the light source annunciator; the operation panel is fixedly arranged on the handheld rod; the light source annunciator comprises a light source signal emitter and a light source signal receiver, and the light source signal emitter and the light source signal receiver are respectively arranged on the same horizontal plane of the inner surfaces of the two sides of the opening of the U-shaped wheel carrier; the surface of the distance measuring wheel is provided with a non-light-transmitting area, and the non-light-transmitting area is provided with a light signal channel for allowing a light source signal to pass through the distance measuring wheel.
Furthermore, the other end of the hand-held rod connected with the U-shaped wheel carrier is provided with a handle.
Further, the microcontroller is a 5l series single chip microcomputer.
The utility model discloses following beneficial effect has:
the utility model discloses a range finder, microcontroller monitoring printing opacity frequency cycle measures the actual measurement distance to show the result on operating panel, this range finder simple structure, convenient operation, measuring result is accurate.
Drawings
Fig. 1 is a schematic structural diagram of the range finder of the present invention.
Fig. 2 is a schematic structural view of the distance measuring wheel in the distance measuring device of the present invention.
Among them are: 1. a handle; 2. an operation panel; 3. a hand-held wand; 4, a U-shaped wheel carrier; 5. a distance measuring wheel; 51. a non-light-transmitting region; 52. a light-transmitting hole; 6. a rotating shaft; 7. a light source annunciator; 71. a light source signal emitter; 72. and a light source signal receiver.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and specific preferred embodiments.
In the description of the present invention, it should be understood that the terms "left side", "right side", "upper part", "lower part" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, which is only for convenience of description and simplification of description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, "first", "second" and the like do not indicate the degree of importance of the component parts, and thus, are not to be construed as limiting the present invention. The specific dimensions used in the present embodiment are only for illustrating the technical solution, and do not limit the protection scope of the present invention.
As shown in fig. 1 and 2, the distance measuring instrument comprises a hand-held rod 3, a U-shaped wheel frame 4, a distance measuring wheel 5, an operation panel 2, a microcontroller and a light source annunciator 7; the distance measuring wheel 5 is inserted into the U-shaped wheel frame 4 from the opening of the U-shaped wheel frame 4, the center of the distance measuring wheel 5 is connected with the tail ends of the two openings of the U-shaped wheel frame 4 through a rotating shaft 6, and one end of the handheld rod 3 is fixed on the U-shaped wheel frame 4; the operation panel 2 is fixedly arranged on the handheld rod 3, a microcontroller is arranged in the operation panel 2, and the microcontroller is connected with the light source annunciator 7; the light source annunciator 7 comprises a light source signal emitter 71 and a light source signal receiver 72, the light source signal emitter 71 and the light source signal receiver 72 are respectively arranged on the same horizontal plane of the inner surfaces of the two sides of the opening of the U-shaped wheel frame 4, the upper surface of the distance measuring wheel 5 is a non-light-transmitting area 51, and the non-light-transmitting area 51 is provided with a light-transmitting hole 52 for allowing a light source signal to pass through the distance measuring wheel; for convenience of operation, a handle 1 is mounted on the hand-held end of the hand-held lever.
In the rangefinder of fig. 1, the microcontroller used is a 5l series single chip microcomputer.
The distance measuring instrument is placed at the starting point of the distance to be measured, the power supply is switched on, the microcontroller is started, the light source annunciator is switched on, and the distance measuring wheel is in the initial state that the light source annunciator and the light hole are in the same horizontal plane; the distance measuring wheel is driven to travel, when a light source signal sent by the light source signal transmitter penetrates through the light transmission hole, the light source signal receiver receives light source information, the measured distance is the perimeter of the distance measuring wheel, the light source information receiver feeds the received light source information back to the micro-controller, the distance measuring wheel continues to be driven to travel, and the micro-controller calculates the actual measured distance according to the perimeter information and the light transmission frequency information of the distance measuring wheel and displays the actual measured distance on the operation panel.
In order to obtain more accurate actual distance information, the distance measuring wheel is not far before the end point of the actual measuring distance is reached, the distance measuring wheel is just in an initial state at the moment, the measured distance information of the distance measuring instrument is recorded at the moment, the distance measuring instrument is closed, the rest unmeasured short distance is measured through short-distance measuring tools such as a meter ruler and a tape measure, and the sum of the measuring distance of the distance measuring instrument and the measuring distance of the short-distance measuring tools is the actual measuring distance.
The above detailed description describes the preferred embodiments of the present invention, but the present invention is not limited to the details of the above embodiments, and the technical idea of the present invention can be within the scope of the present invention to perform various equivalent transformations, which all belong to the protection scope of the present invention.
Claims (3)
1. Distancer, its characterized in that: the range finder comprises a range finder main body, wherein the range finder main body comprises a handheld rod, a U-shaped wheel carrier and a range finding wheel, the range finding wheel is inserted into the U-shaped wheel carrier from an opening of the U-shaped wheel carrier, the center of the range finding wheel is connected with the tail ends of two openings of the U-shaped wheel carrier through a rotating shaft, and one end of the handheld rod is fixed on the U-shaped wheel carrier;
the range finder also comprises an operation panel, a microcontroller and a light source signal device; the microcontroller is arranged in the operation panel and is communicated with the light source annunciator; the operation panel is fixedly arranged on the handheld rod; the light source annunciator comprises a light source signal emitter and a light source signal receiver, and the light source signal emitter and the light source signal receiver are respectively arranged on the same horizontal plane of the inner surfaces of the two sides of the opening of the U-shaped wheel carrier; the surface of the distance measuring wheel is provided with a non-light-transmitting area, and the non-light-transmitting area is provided with a light signal channel for allowing a light source signal to pass through the distance measuring wheel.
2. The rangefinder of claim 1, wherein: the other end of the hand-held rod connected with the U-shaped wheel carrier is provided with a handle.
3. The rangefinder of claim 1, wherein: the microcontroller is a 5l series single chip microcomputer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922307605.6U CN211824271U (en) | 2019-12-20 | 2019-12-20 | Distance measuring instrument |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922307605.6U CN211824271U (en) | 2019-12-20 | 2019-12-20 | Distance measuring instrument |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211824271U true CN211824271U (en) | 2020-10-30 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922307605.6U Active CN211824271U (en) | 2019-12-20 | 2019-12-20 | Distance measuring instrument |
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| CN (1) | CN211824271U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115900640A (en) * | 2023-02-21 | 2023-04-04 | 北京中联勘工程技术有限责任公司 | Distance measuring device for engineering measurement |
-
2019
- 2019-12-20 CN CN201922307605.6U patent/CN211824271U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115900640A (en) * | 2023-02-21 | 2023-04-04 | 北京中联勘工程技术有限责任公司 | Distance measuring device for engineering measurement |
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Effective date of registration: 20210531 Address after: 210000 chestnut City, Qinhuai District, Nanjing, Jiangsu Province, No. 66 Patentee after: Nanjing Rococo Culture Development Co.,Ltd. Address before: No.219, ningliu Road, Jiangbei new district, Nanjing, Jiangsu Province, 210032 Patentee before: NANJING University OF INFORMATION SCIENCE & TECHNOLOGY |