CN202794521U - Laser range finder with reference point indicating device - Google Patents

Laser range finder with reference point indicating device Download PDF

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Publication number
CN202794521U
CN202794521U CN 201220421952 CN201220421952U CN202794521U CN 202794521 U CN202794521 U CN 202794521U CN 201220421952 CN201220421952 CN 201220421952 CN 201220421952 U CN201220421952 U CN 201220421952U CN 202794521 U CN202794521 U CN 202794521U
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CN
China
Prior art keywords
light beam
reference point
distance measuring
indication device
measuring light
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.)
Expired - Fee Related
Application number
CN 201220421952
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Chinese (zh)
Inventor
李友正
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.)
PRECASTER ENTERPRISES CO Ltd
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PRECASTER ENTERPRISES CO Ltd
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Priority to CN 201220421952 priority Critical patent/CN202794521U/en
Application granted granted Critical
Publication of CN202794521U publication Critical patent/CN202794521U/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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Abstract

The utility model provides a laser range finder with a reference point indicating device. The laser range finder comprises a range finder body and the reference point indicating device. A range finding light beam transmitting device capable of transmitting a laser finding light beam to a target object and a range finding light beam receiving device capable of receiving the range finding light beam reflected by the target object to calculate the distance between the range finder body and the target object are arranged in the range finder body. The reference point indicating device is capable of transmitting an indicating light beam in the normal direction of the range finding light beam to form reference point indication on the reference face. Therefore, a user can clearly distinguish the measurement starting point position of the range finding light beam to avoid measurement errors.

Description

The Laser rangefinder of tool reference point indication device
Technical field
The utility model is relevant with a kind of Laser rangefinder structure, indicates light beam formation reference point sign especially in regard to a kind of by reference point indication device emission one, reaches and knows the measurement initial point position of distinguishing distance measuring light beam, the purpose of avoiding error in measurement.
Background technology
Known hand-held Laser rangefinder has the advantage that volume is little, easy to carry and cost is low than total powerstation, therefore, quite is fit to the individual and carries use, and measure use in small-sized workplace.
But because known Laser rangefinder is because itself is comparatively easy, the user with handheld metrology apart from the time, only can be with visual general aligning reference substance (such as general common pile or other demarcation thing of being located at ground), so that object is carried out distance measuring.Yet this one is inaccurate with reference to alignment so, often can because of user individual operative technique, cause error to produce.
Open the shortcoming of prior art on comprehensive, comprise that haply known Laser rangefinder only can with visual general aligning reference substance, because of user individual operative technique, cause error in measurement to produce easily.
Summary of the invention
The purpose of this utility model is to provide a kind of Laser rangefinder of tool reference point indication device, the defective that exists to solve prior art, and it is simple in structure, and is easy to use, can know the measurement initial point position of distinguishing distance measuring light beam, avoids error in measurement.
For achieving the above object, the utility model discloses a kind of Laser rangefinder of tool reference point indication device, it is characterized in that comprising:
One stadimeter body is provided with an energy be launched a distance measuring light beam toward an object distance measuring light beam emitter in it; Wherein, be provided with one in the stadimeter body and can be received from the distance measuring light beam of object reflection to calculate the distance measuring light beam receiving trap of distance between stadimeter body and object; And
One can indicate the reference point indication device that light beam indicates to form a reference point in a reference field place along the normal direction emission one of this distance measuring light beam.
Wherein, be provided with a transmission channel and a receiving cable in this stadimeter body, this transmission channel and receiving cable offer an emission port and a receiving port outward respectively at the stadimeter body, and this distance measuring light beam emitter and distance measuring light beam receiving trap are located at respectively in transmission channel and the receiving cable.
Wherein, this transmission channel is provided with a sign passage along the normal direction of this distance measuring light beam.
Wherein, this reference point indication device be provided with in transmission channel and the place of interlinking that indicates passage one can in distance measuring light beam by the time will the part refraction of optical beam toward the spectroscope that indicates passage and sentence this sign light beam of formation.
Wherein, this reference point indication device is provided with a sign light source spare that can produce along the normal direction of this distance measuring light beam this sign light beam in stadimeter body place.
Wherein, this sign light source spare be laser light source or light-emittingdiode at least one of them.
Wherein, this stadimeter body surface more is provided with an air-bubble level.
Wherein, this stadimeter body is a bottom with respect to the other end of emission port, and this place, bottom is provided with an auxiliary rod that optionally launches folding.
Wherein, more include and be located at one of them measuring basis point selection module as the measurement starting point of distance measuring light beam of the intrinsic optionally spontaneous loophole of stadimeter, reference point sign, bottom and auxiliary rod tail end.
By said structure, Laser rangefinder of the present utility model has following technique effect:
1, the user only needs reference point indicated and aims at reference substance (such as general common pile or other demarcation thing of being located at ground), can know the measurement initial point position of distinguishing distance measuring light beam, avoids the generation of error in measurement.
2, transmission channel is provided with a sign passage along the normal direction of this distance measuring light beam, and the reference point indication device is provided with a spectroscope in transmission channel with the place of interlinking that indicates passage, this spectroscope can be when distance measuring light beam passes through, and partly the refraction of optical beam is toward indicating the passage place, to form this sign light beam.
3, the reference point indication device is provided with one and indicates light source spare in stadimeter body place, and this sign light source spare can produce along the normal direction of this distance measuring light beam this sign light beam, and this sign light source spare can be laser light source or light-emittingdiode at least one of them.
4, more include and be located at the intrinsic measuring basis point selection of stadimeter module, this measuring basis point selection module is one of them measurement starting point as distance measuring light beam of spontaneous loophole, reference point sign, bottom and auxiliary rod tail end optionally, for the user according to the suitable measurement starting point of the different choice of environment.
Description of drawings
Fig. 1: schematic appearance of the present utility model.
Fig. 2: internal structure synoptic diagram of the present utility model.
Fig. 3: section action synoptic diagram of the present utility model.
Fig. 4: planar gesture figure of the present utility model.
Fig. 5: enforcement view of the present utility model.
Fig. 6: another embodiment synoptic diagram of the utility model reference point indication device.
Embodiment
For ease of explanation the utility model represented central idea in above-mentioned novel content one hurdle, hereby express with specific embodiment.Various different objects system is described in the ratio that is suitable for illustrating, size, deflection or displacement among the embodiment, but not is drawn in the ratio of actual components, close chat first bright.And in the following description, similarly element is to represent with identical numbering.
Please refer to Fig. 1~shown in Figure 3, the utility model is a kind of Laser rangefinder of tool reference point indication device, comprises:
One stadimeter body 10 is provided with a distance measuring light beam emitter 20 in it, this distance measuring light beam emitter 20 can be toward an object 90 emissions one distance measuring light beam 91 (as shown in Figure 4); Wherein, in the stadimeter body 10 and be provided with a distance measuring light beam receiving trap 30, this distance measuring light beam receiving trap 30 can be received from the distance measuring light beam 91 ' of object 90 reflections, to calculate the distance of 90 of stadimeter body 10 and objects; And
One reference point indication device 40, this reference point indication device 40 can indicate light beam 92 along the normal direction emission one of this distance measuring light beam 91, indicates for 94 (as shown in Figure 4) to form a reference point in a reference field 93 places.
Wherein, as shown in Figure 3, this stadimeter body 10 in the inner section is provided with a transmission channel 21 and a receiving cable 31, this transmission channel 21 offers an emission port 22 and a receiving port 32 with receiving cable 31 outward respectively at stadimeter body 10, and this distance measuring light beam emitter 20 and distance measuring light beam receiving trap 30 are to be located at respectively in transmission channel 21 and the receiving cable 31.Wherein, this transmission channel 21 is provided with a sign passage 41 along the normal direction of this distance measuring light beam 91, this reference point indication device 40 is provided with a spectroscope 42 in transmission channel 21 with the place of the interlinking system that indicates passage 41, this spectroscope 42 can be when distance measuring light beam 91 passes through, partly the refraction of optical beam is toward indicating passage 41 places, to form this sign light beam 92.
Moreover these stadimeter body 10 surfaces more are provided with an air-bubble level 11, and this stadimeter body 10 is a bottom 12 with respect to the other end of emission port 22, and these 12 places, bottom are provided with an auxiliary rod 13 that optionally launches folding.And these stadimeter body 10 surfaces also are provided with demonstration battalion curtain 14 and an a plurality of operating key 15, use the usefulness that shows all kinds of information and operating function.
After understanding above-mentioned this case detailed construction, below describe in detail one by one for the operating principle of this case:
As shown in Figures 2 and 3, the user operates the utility model and measures when moving, and this distance measuring light beam emitter 20 can be toward emission port 22 emission distance measuring light beams 91.When distance measuring light beam 91 passed through spectroscope 42, the part light beam can pass spectroscope 42 spontaneous loopholes 22 emissions and go out, and the part light beam is by past passage 41 places that indicate of spectroscope 42 refractions, to form this sign light beam 92.
As shown in Figure 4, this sign light beam 92 is located to form a reference point in a reference field 93 (such as ground) and is indicated 94, so that the user indicates 94 with after the reference substance on the reference field 93 is aimed at reference point, the distance measuring light beam 91 that this distance measuring light beam emitter 20 is launched toward object 90 is after object 90 reflections, be back to distance measuring light beam receiving trap 30 and receive, can calculate and the correct distance of 90 of objects;
Moreover, the air-bubble level 11 on stadimeter body 10 surfaces helps the user that horizontal level or other special angle position are fixed in 10 grippings of stadimeter body, when preventing from tilting because of stadimeter body 10, cause indicate light beam 92 not with 93 one-tenth plumbnesss of reference field, and cause reference point to indicate 94 alignment errors.
Further, as shown in Figure 2, the utility model more includes the measuring basis point selection module 60 of being located in the stadimeter body 10, this measuring basis point selection module 60 is spontaneous loophole 22 optionally, reference point indicates 94, one of them measurement starting point as distance measuring light beam 91 of bottom 12 and auxiliary rod 13 tail ends, because this emission port 22, reference point indicates 94, bottom 12, the relative position of auxiliary rod 13 tail ends and distance measuring light beam emitter 20 or distance measuring light beam receiving trap 30 is fixed value, this measuring basis point selection module 60 can calculate to obtain right value automatically, can be beneficial under the different conditions and use the utility model.For example: when being a ground pile or punctuate such as aforementioned measurement reference substance, use reference point to indicate the 94 measurement starting points as distance measuring light beam 91, can be convenient to alignment function and measure.When the measurement reference substance is a metope or cylinder, can select bottom 12 as measuring starting points, measure to utilize bottom 12 to abut against in metope or cylinder.And if when measuring reference substance and being a corner, thickness and width because of stadimeter body 10, aim at being difficult between the corner reaching abutting against, in the time of can utilizing auxiliary rod 13 to launch (as shown in Figure 5), auxiliary rod 13 tail ends are abutted against in the place, corner, and select auxiliary rod 13 tail ends as the measurement starting point of distance measuring light beam 91.
Moreover, as shown in Figure 6, it is another embodiment of the utility model reference point indication device, and this reference point indication device 40 ' is provided with one and indicates light source spare 43 in stadimeter body 10 places, and this indicates light source spare 43 can produce along the normal direction of distance measuring light beam 91 sign light beam 92.Wherein, this sign light source spare 43 can be laser light source or light-emittingdiode at least one of them.
By above detailed description, can make and know this skill person and understand that the utility model is really completely different with the design of commonly using, and has suitable novelty.And the utlity model has and commonly use the effect that designing institute can't be expected, met in fact the positive important document that patent is checked and approved, the whence proposes patented claim in accordance with the law.
Though the utility model is to explain with a preferred embodiment, is skillful in this skill person and can does various multi-form changes not breaking away under the utility model spirit and the category.Above illustrated embodiment is only in order to the utility model to be described, and is non-in order to limit scope of the present utility model.Such as do not disobey various modifications or the variation that the utility model spirit is engaged in, all belong to the category that the utility model is intended to protect.

Claims (9)

1. the Laser rangefinder of a tool reference point indication device is characterized in that comprising:
One stadimeter body is provided with an energy be launched a distance measuring light beam toward an object distance measuring light beam emitter in it; Wherein, be provided with one in the stadimeter body and can be received from the distance measuring light beam of object reflection to calculate the distance measuring light beam receiving trap of distance between stadimeter body and object; And
One can indicate the reference point indication device that light beam indicates to form a reference point in a reference field place along the normal direction emission one of this distance measuring light beam.
2. the Laser rangefinder of tool reference point indication device as claimed in claim 1, it is characterized in that, be provided with a transmission channel and a receiving cable in this stadimeter body, this transmission channel and receiving cable offer an emission port and a receiving port outward respectively at the stadimeter body, and this distance measuring light beam emitter and distance measuring light beam receiving trap are located at respectively in transmission channel and the receiving cable.
3. the Laser rangefinder of tool reference point indication device as claimed in claim 2 is characterized in that, this transmission channel is provided with a sign passage along the normal direction of this distance measuring light beam.
4. the Laser rangefinder of tool reference point indication device as claimed in claim 3, it is characterized in that, this reference point indication device be provided with in transmission channel and the place of interlinking that indicates passage one can in distance measuring light beam by the time will the part refraction of optical beam toward the spectroscope that indicates passage and sentence this sign light beam of formation.
5. the Laser rangefinder of tool reference point indication device as claimed in claim 1 is characterized in that, this reference point indication device is provided with a sign light source spare that can produce along the normal direction of this distance measuring light beam this sign light beam in stadimeter body place.
6. the Laser rangefinder of tool reference point indication device as claimed in claim 5 is characterized in that, this sign light source spare be laser light source or light-emittingdiode at least one of them.
7. the Laser rangefinder of tool reference point indication device as claimed in claim 1 is characterized in that, this stadimeter body surface more is provided with an air-bubble level.
8. the Laser rangefinder of tool reference point indication device as claimed in claim 2 is characterized in that, this stadimeter body is a bottom with respect to the other end of emission port, and this place, bottom is provided with an auxiliary rod that optionally launches folding.
9. the Laser rangefinder of tool reference point indication device as claimed in claim 8, it is characterized in that, more include and be located at one of them measuring basis point selection module as the measurement starting point of distance measuring light beam of the intrinsic optionally spontaneous loophole of stadimeter, reference point sign, bottom and auxiliary rod tail end.
CN 201220421952 2012-08-24 2012-08-24 Laser range finder with reference point indicating device Expired - Fee Related CN202794521U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 201220421952 CN202794521U (en) 2012-08-24 2012-08-24 Laser range finder with reference point indicating device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN 201220421952 CN202794521U (en) 2012-08-24 2012-08-24 Laser range finder with reference point indicating device

Publications (1)

Publication Number Publication Date
CN202794521U true CN202794521U (en) 2013-03-13

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Country Status (1)

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CN (1) CN202794521U (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106886027A (en) * 2017-02-24 2017-06-23 上海诺司纬光电仪器有限公司 Laser locating apparatus and laser positioning method
CN107064950A (en) * 2017-02-24 2017-08-18 上海诺司纬光电仪器有限公司 Laser locating apparatus and laser positioning method

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106886027A (en) * 2017-02-24 2017-06-23 上海诺司纬光电仪器有限公司 Laser locating apparatus and laser positioning method
CN107064950A (en) * 2017-02-24 2017-08-18 上海诺司纬光电仪器有限公司 Laser locating apparatus and laser positioning method
WO2018153008A1 (en) * 2017-02-24 2018-08-30 美国西北仪器公司 Laser positioning apparatus and laser positioning method
US20190369214A1 (en) * 2017-02-24 2019-12-05 Northwest Instrument Inc. Laser positioning apparatus and laser positioning method
CN106886027B (en) * 2017-02-24 2020-04-10 上海诺司纬光电仪器有限公司 Laser positioning device and laser positioning method
US11604275B2 (en) 2017-02-24 2023-03-14 Northwest Instrument Inc. Laser positioning apparatus and laser positioning method
US11709228B2 (en) * 2017-02-24 2023-07-25 Northwest Instrument Inc. Laser positioning apparatus and laser positioning method

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C14 Grant of patent or utility model
GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20130313

Termination date: 20170824

CF01 Termination of patent right due to non-payment of annual fee