CN102269817A - Ranging device - Google Patents
Ranging device Download PDFInfo
- Publication number
- CN102269817A CN102269817A CN2010101895129A CN201010189512A CN102269817A CN 102269817 A CN102269817 A CN 102269817A CN 2010101895129 A CN2010101895129 A CN 2010101895129A CN 201010189512 A CN201010189512 A CN 201010189512A CN 102269817 A CN102269817 A CN 102269817A
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- wheel
- eyeglass
- receiving unit
- threaded portion
- movable plate
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Abstract
The invention relates to a ranging device, which comprises a body, a receiving lens, a first locking wheel, a second locking wheel, a movable plate and a receiving component, wherein the body is provided with a first end and a second end; the first end is opposite to the second end, and the second end is provided with at least one guide rod; the receiving lens is connected to the first end of the body; the first locking wheel and the second locking wheel are connected to the second end of the body in a rotary mode; the movable plate is sleeved on the guide rod of the second end of the body in a movable mode and is arranged between the first locking wheel and the second locking wheel; and the receiving component is connected to the movable plate and is used for receiving light beams received by the receiving lens. The movable plate moves through the rotation of the first locking wheel and the second locking wheel so as to drive the receiving component to move on an optical axis.
Description
Technical field
The invention relates to a kind of distance measuring equipment, particularly be adjusted to the suitable focus and the distance measuring equipment of optical axis position easily relevant for a kind of receiving unit that can make.
Background technology
The distance measuring equipment that in general, various ways is arranged at present on the market.For instance, the laser chi is a kind of distance measuring equipment.
The laser chi mainly includes laser light source, emission eyeglass, receives eyeglass and receiving unit.When carrying out range operation with the laser chi, laser light source can be launched the ruddiness laser of 650nm, is collimated into approximately parallel laser beam and this ruddiness laser can be launched eyeglass earlier.Then, after laser beam is incident upon an object, can produce diffuse reflection, can receive the laser beam that these reflect and receive eyeglass, and focus it on the receiving unit.Then, the received laser beam of receiving unit can be carried out calculation process, thereby can calculate the distance of this object.
It should be noted that for the laser beam that will reflect focuses on the receiving unit position that receives eyeglass must suitably be adjusted.More specifically, the position that receives eyeglass must be according to a plurality of directions (for example, X, Y, Z direction) be adjusted, so that its focus can just be positioned on optical axis and the receiving unit, thus, the laser beam that reflects could focus on the receiving unit exactly, and then can calculate the accurate distance of this object.Yet, must be adjusted according to a plurality of directions owing to receive the position of eyeglass, so its regular meeting causes operational inconvenience.In addition, the laser chi must comprise that also one receives the mirror cell and comes ccontaining reception eyeglass, and to receive eyeglass be to be fixed in viscose to receive among the mirror cell.At this, be to be fixed in viscose to receive among the mirror cell owing to receive eyeglass, combine meeting built on the sand so receive between eyeglass and the reception mirror cell.Therefore, after use after a while, receive between eyeglass and the reception mirror cell and tend to take place loosening phenomenon, thereby must overhaul.Yet, must be detached in the reception mirror cell with receiving eyeglass in the maintenance process, thereby cause the damage that receives eyeglass again easily, and then can cause the cost waste.
Summary of the invention
The technical problem to be solved in the present invention is, need adjust the defective that receives eyeglass, is difficult for accurately being adjusted to focal position at distance measuring equipment in the prior art, and a kind of distance measuring equipment is provided, and can make receiving unit be adjusted to suitable focus and optical axis position easily.
The technical solution adopted for the present invention to solve the technical problems is, a kind of distance measuring equipment is provided, and comprises body, has first end and second end, and wherein, this first end is with respect to this second end, and this second end has at least one guide bar; Receive eyeglass, be connected in this first end of this body; First locks wheel, is this second end that is connected in this body in the mode of rotating; Second locks wheel, is this second end that is connected in this body in the mode of rotating; Movable plate is to be sheathed on this guide bar of this second end of this body in the mode that moves, and is to be arranged at this first to lock wheel and this second and lock between the wheel; And receiving unit, be connected in this movable plate, be the light beam that is received by this receptions eyeglass in order to receive, wherein, this movable plate is first to lock and take turns and this second locks the rotation of wheel and move by this, is displaced on the optical axis to order about this receiving unit.
Simultaneously, according to distance measuring equipment of the present invention, this first locks wheel and has first threaded portion, and this second locks wheel and have second threaded portion, this of this body second end has more the 3rd threaded portion, and this first threaded portion and this second threaded portion are to be engaged in the 3rd threaded portion.
Again in the present invention, this receiving unit has circuit board and avalanche photodide, and this avalanche photodide is to be connected in this circuit board, in order to receive the light beam that is received by this reception eyeglass.
Again in the present invention, this distance measuring equipment more comprises transmitting illuminant, is to be arranged on this body, and wherein, the light beam that this transmitting illuminant sent is to reflect via object, and is received by this receiving unit via this reception eyeglass.
Distance measuring equipment of the present invention has following beneficial effect: can reach the effect of vernier focusing easily, have good operation ease.In addition, even distance measuring equipment must overhaul, it receives eyeglass and can be disassembled, thereby can avoid causing the damage that receives eyeglass, and then the waste that can reduce cost.
For above-mentioned purpose of the present invention, feature and advantage can be become apparent, preferred embodiment cited below particularly and conjunction with figs. elaborate.
Description of drawings
The invention will be further described below in conjunction with drawings and Examples, in the accompanying drawing:
Fig. 1 is the schematic perspective view that shows distance measuring equipment of the present invention; And
Fig. 2 is the diagrammatic cross-section that shows distance measuring equipment of the present invention.
Embodiment
Now conjunction with figs. illustrates preferred embodiment of the present invention.
See also Fig. 1 and Fig. 2, the distance measuring equipment 100 of present embodiment mainly includes body 110, reception eyeglass 120, first locks wheel 131, second and locks wheel 132, movable plate 140, receiving unit 150 and transmitting illuminant 160.
As shown in Figures 1 and 2, receiving eyeglass 120 is first ends 111 that are connected in body 110.
As shown in Figures 1 and 2, movable plate 140 is to be sheathed on the two guide bar 112a of second end 112 of body 110 in the mode that moves, and movable plate 140 is to be arranged at first to lock wheel 131 and second and lock and take turns between 132.More specifically, movable plate 140 is connected to first and locks wheel 131 and second and lock and take turns between 132.Therefore, by simultaneously and equidirectional rotation first lock wheel 131 and second and lock wheel 132, be connected to first lock wheel 131 and second lock the movable plate 140 of taking turns between 132 can be mobile along optical axis O (as shown in Figure 2).
Receiving unit 150 is to be connected in movable plate 140, and it is used for receiving by receiving the light beam that eyeglass 120 is received (or transmission).At this, as shown in Figure 2, receiving unit 150 has circuit board 151 and avalanche photodide (Avalanche Photodiode, APD) 152, and avalanche photodide 152 is to be connected in circuit board 151.It should be noted that before receiving unit 150 is connected in movable plate 140 (according to the direction perpendicular to optical axis O) adjusts the position of receiving unit 150 earlier, so that its avalanche photodide 152 can just be positioned on the optical axis O.Then, the position of receiving unit 150 or its avalanche photodide 152 be adjusted finish after, receiving unit 150 can be connected in movable plate 140.Therefore, lock by first that wheel 131 and second locks wheel 132 rotation and when optical axis O moved, receiving unit 150 and avalanche photodide 152 thereof were also removable on optical axis O when movable plate 140.
Transmitting illuminant 160 is to be arranged on the body 110.At this, transmitting illuminant 160 can give off laser beam.
Next the function mode of finding range with 100 pairs of object (not shown)s of distance measuring equipment is described.
After (laser) light beam that transmitting illuminant 160 is sent was reflected by this object, (laser) light beam that reflects can receive via receiving the avalanche photodide 152 that eyeglass 120 is received assembly 150.At this, if avalanche photodide 152 is not to be positioned at the place, focal position that receives eyeglass 120, then the operator can rotate first simultaneously and locks wheel 131 and second and lock and take turns 132, be displaced on the optical axis O with the avalanche photodide 152 that orders about receiving unit 150, move to till the place, focal position that receives eyeglass 120 up to avalanche photodide 152.As mentioned above, (laser) light beam that reflects just can focus on the avalanche photodide 152 exactly.Then, via calculation process, can obtain the accurate distance of this object.
As mentioned above, because the operator only need rotate first and lock wheel 131 and second and lock the effect (or the avalanche photodide 152 of adjustment receiving unit 150 is positioned at the position on the optical axis O) that wheel 132 can be reached vernier focusing, so distance measuring equipment 100 can have good operation ease.In addition, even distance measuring equipment 100 must overhaul, it receives eyeglass 120 and can be disassembled, thereby can avoid causing the damage that receives eyeglass 120, and then the waste that can reduce cost.
Though the present invention is exposed in preferred embodiment; right its is not in order to limiting the present invention, anyly has the knack of this skill person, without departing from the spirit and scope of the present invention; when can doing a little change and retouching, so protection scope of the present invention is as the criterion when looking the accompanying Claim person of defining.
Claims (4)
1. a distance measuring equipment is characterized in that, comprising:
Body has first end and second end, and wherein, this first end is with respect to this second end, and this second end has at least one guide bar;
Receive eyeglass, be connected in this first end of this body;
First locks wheel, is this second end that is connected in this body in the mode of rotating;
Second locks wheel, is this second end that is connected in this body in the mode of rotating;
Movable plate is to be sheathed on this guide bar of this second end of this body in the mode that moves, and is to be arranged at this first to lock wheel and this second and lock between the wheel; And
Receiving unit is connected in this movable plate, is the light beam that is received by this receptions eyeglass in order to receive, and wherein, this movable plate is first to lock and take turns and this second locks the rotation of wheel and move by this, is displaced on the optical axis to order about this receiving unit.
2. distance measuring equipment as claimed in claim 1, it is characterized in that this first locks wheel and have first threaded portion, this second locks wheel and has second threaded portion, this of this body second end has more the 3rd threaded portion, and this first threaded portion and this second threaded portion are to be engaged in the 3rd threaded portion.
3. distance measuring equipment as claimed in claim 1 is characterized in that this receiving unit has circuit board and avalanche photodide, and this avalanche photodide is to be connected in this circuit board, in order to receive the light beam that is received by this reception eyeglass.
4. distance measuring equipment as claimed in claim 1 is characterized in that, more comprises transmitting illuminant, is to be arranged on this body, and wherein, the light beam that this transmitting illuminant sent is to reflect via object, and is received by this receiving unit via this reception eyeglass.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010189512.9A CN102269817B (en) | 2010-06-01 | 2010-06-01 | Ranging device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010189512.9A CN102269817B (en) | 2010-06-01 | 2010-06-01 | Ranging device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102269817A true CN102269817A (en) | 2011-12-07 |
| CN102269817B CN102269817B (en) | 2014-01-22 |
Family
ID=45052174
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201010189512.9A Active CN102269817B (en) | 2010-06-01 | 2010-06-01 | Ranging device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102269817B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104597437A (en) * | 2015-02-03 | 2015-05-06 | 金华马卡科技有限公司 | Handheld type distance measuring instrument |
| CN106154249A (en) * | 2015-04-21 | 2016-11-23 | 信泰光学(深圳)有限公司 | Laser ruler calibration system |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2269583Y (en) * | 1996-11-19 | 1997-12-03 | 刘康 | Telescope for measuring distance |
| US20060109450A1 (en) * | 2004-11-19 | 2006-05-25 | Yi Liu | Laser distance measuring device |
| CN1825160A (en) * | 2005-02-24 | 2006-08-30 | 亚洲光学股份有限公司 | Optical observation apparatus with optical axis regulating mechanism |
| CN201378223Y (en) * | 2009-02-25 | 2010-01-06 | 重庆蓝硕光电科技有限公司 | Semiconductor laser ranging central axis focusing binocular |
-
2010
- 2010-06-01 CN CN201010189512.9A patent/CN102269817B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2269583Y (en) * | 1996-11-19 | 1997-12-03 | 刘康 | Telescope for measuring distance |
| US20060109450A1 (en) * | 2004-11-19 | 2006-05-25 | Yi Liu | Laser distance measuring device |
| CN1825160A (en) * | 2005-02-24 | 2006-08-30 | 亚洲光学股份有限公司 | Optical observation apparatus with optical axis regulating mechanism |
| CN201378223Y (en) * | 2009-02-25 | 2010-01-06 | 重庆蓝硕光电科技有限公司 | Semiconductor laser ranging central axis focusing binocular |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104597437A (en) * | 2015-02-03 | 2015-05-06 | 金华马卡科技有限公司 | Handheld type distance measuring instrument |
| WO2016123878A1 (en) * | 2015-02-03 | 2016-08-11 | 金华马卡科技有限公司 | Handheld rangefinder |
| CN106154249A (en) * | 2015-04-21 | 2016-11-23 | 信泰光学(深圳)有限公司 | Laser ruler calibration system |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102269817B (en) | 2014-01-22 |
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