CN201184915Y - Laser detection apparatus - Google Patents
Laser detection apparatus Download PDFInfo
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- CN201184915Y CN201184915Y CNU2008200798952U CN200820079895U CN201184915Y CN 201184915 Y CN201184915 Y CN 201184915Y CN U2008200798952 U CNU2008200798952 U CN U2008200798952U CN 200820079895 U CN200820079895 U CN 200820079895U CN 201184915 Y CN201184915 Y CN 201184915Y
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- 238000001514 detection method Methods 0.000 title abstract description 9
- 230000007246 mechanism Effects 0.000 claims abstract description 17
- 230000003287 optical effect Effects 0.000 claims description 18
- 230000007306 turnover Effects 0.000 claims description 6
- 230000004888 barrier function Effects 0.000 claims description 4
- 230000000694 effects Effects 0.000 claims description 4
- 230000006378 damage Effects 0.000 abstract description 2
- 230000008602 contraction Effects 0.000 abstract 1
- 238000001125 extrusion Methods 0.000 abstract 1
- 230000008859 change Effects 0.000 description 8
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 2
- 229910052710 silicon Inorganic materials 0.000 description 2
- 239000010703 silicon Substances 0.000 description 2
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 230000003071 parasitic effect Effects 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
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Abstract
The utility model relates to a laser detection device with the functions of automatic avoidance and anti-collision. The laser detection device adopts the separate arrangement of a laser transmitter and a laser transmitting head, and a laser receiver and a laser receiving head, the automatic contraction and the avoidance of the device when in instantaneous extrusion collision or local collision under the extreme conditions are realized through a telescopic support rod mechanism, thereby ensuring the device to avoid or significantly alleviate the injuries on an over-limited vehicle when in applications in subway safety protection and other fields; at the same time, the device can be reset automatically through an elastic device after the avoidance, thereby having no impacts on the spatial position and the working state of a detection laser beam and ensuring the normal work of the laser detection device during the reset period and after the reset.
Description
Technical field
The utility model relates to laser technology field, relates in particular to a kind of Laser Detecting Set of dodging automatically with the anticollision function that has.
Background technology
Emissive power density is big, the angle of divergence is little, light beam is concentrated, the characteristics of good directionality because of it has for laser beam, and is widely used in comprising the various fields of Detection Techniques.Under the condition of using equal power device, the power density of target reception place laser beam is the hundreds of to several thousand times of infrarede emitting diode light beam power density, therefore compares with similar active detector, and Laser Detecting Set also has higher precision.In general, Laser Detecting Set is made up of transmitter and receiver two parts, because of the centrality and the directivity of laser beam requires transmitter to keep within the specific limits aiming at the direction of receiver, slight impact takes place device all can cause than mistake result of detection, in addition make survey invalid.
Be that example describes with the Laser Detecting Set that is applied to the metro safety guard technology below, said circumstances is then more clear.In recent years, along with the fast development of subway transportation, its safe precaution measure is also constantly perfect thereupon.Be included on the platform to be provided with and prevent that the passenger from falling the shield door of platform, and between shield door and train gap, be provided with to whether being detained the Laser Detecting Set that human body or barrier are monitored in real time, to guarantee the safety of the person and vehicle.Yet because the distance between shield door and the train is comparatively narrow, after being provided for generating the generating laser of exploring laser light bundle and laser pickoff therein and occupying certain space, the outer ledge of this sniffer and train spacing become more narrow and small.Therefore if shake or cause transfiniting under the extreme condition with other factor subway train in service by other, crowded bumping even local impact of moment may be taken place between car body and detector, and the laser detector that this moment, firm installation was used for safety precaution on the ground may become the potential safety hazard of train operation on the contrary.
The utility model content
(1) technical matters that will solve
The purpose of this utility model provides a kind of Laser Detecting Set of dodging automatically with the anticollision function that has, and Laser Detecting Set may make result of detection produce the wrong defective that maybe can't work because of collision in the prior art to solve.
(2) technical scheme
In order to achieve the above object, the utility model is taked following scheme:
A kind of Laser Detecting Set comprises:
Generating laser is used for emission of lasering beam;
Laser pickoff is used to receive laser beam;
First and second support is respectively applied for fixing described generating laser and laser pickoff;
Laser beam emitting head penetrates the described generating laser emitted laser Shu Chuizhi follow-up supervention of transferring as the exploring laser light bundle;
The laser pick-off head receives described exploring laser light bundle and vertically transfers, the laser beam that receives as described laser pickoff;
First and second connecting rod carries out activity with laser beam emitting head, described second support with the laser pick-off head to described first support respectively and is connected, and stretches when being collided and automatically reset at described laser beam emitting head, laser pick-off head.
Wherein, described laser beam emitting head or laser pick-off head further comprise:
The software shell is used for the crashproof of described laser beam emitting head or laser pick-off head;
Logical light window is used for the incident and the outgoing of laser beam;
Optical device is used for the vertical turnover of laser beam;
Fixedly supporting plate is used for the fixing of described optical device, and described first connecting rod or second connecting rod is fixing.
Wherein, described optical device is pentaprism, total reflection prism or level crossing group.
Wherein, be provided with the adjustment screw between described fixedly supporting plate and the described optical device, change the angle of pitch of laser beam by the angle of adjusting described optical device.
Wherein, described software shell is a rubbery outer cover.
Wherein, described first connecting rod or second connecting rod further comprise:
Telescopic strut mechanism is connected with laser beam emitting head with described first support respectively or is connected with the laser pick-off head with described second support respectively, to realize the flexible of described first, second connecting rod;
The Flexible Reset device is fixed with the telescopic strut mechanism of described first support and described first connecting rod respectively or is fixed with the telescopic strut mechanism of described second support and described second connecting rod respectively, to realize automatically reseting of described first, second connecting rod.
Wherein, described telescopic strut mechanism is a parallelogram pole, two fulcrums of the opposite side of described parallelogram pole, utilize rotating shaft to be connected with laser beam emitting head with described first support respectively or be connected with the laser pick-off head with described second support respectively, and realize the flexible automatically of described first, second connecting rod by changing interior angle.
Wherein, described Flexible Reset device is a spring, two end points of described spring are fixed with the telescopic strut mechanism of described first support and described first connecting rod respectively or are fixed with the telescopic strut mechanism of described second support and described second connecting rod respectively, to realize automatically reseting of described first, second connecting rod.
Wherein, described device is arranged between subway platform shield door and the subway platform edge.
Wherein, described device is fixedly set on the ground of inboard, subway platform edge by described first, second support, and whether the gap location between subway platform screen door and the train is detained human body or barrier is monitored in real time.
(3) beneficial effect
The utility model has following advantage: laser beam emitting head and laser pick-off head under extreme conditions are subjected to moment and squeeze and to bump or all can shrink automatically during local impact and dodge, and guarantee that this device can avoid in the application of fields such as metro safety protection or significantly alleviate damage to overrun vehicle; And after dodging, can stretch out automatically and reset, the locus and the duty of exploring laser light bundle all had no effect, at reseting period and can both guarantee the operate as normal of Laser Detecting Set after resetting by elastic element; Simultaneously all adopt passive optical device to realize the turnover of laser beam because of laser beam emitting head and laser pick-off head, its condition of compatibility is wide in range, and it is easy that system makes debugging, safeguards simply, thereby helps improving the reliability of entire system long-time running.
Description of drawings
Fig. 1 is the enforcement illustration of the utility model Laser Detecting Set;
Fig. 2 is that the structure of laser beam emitting head and laser pick-off head among Fig. 1 is implemented illustration;
Fig. 3 is that the structure of generating laser among Fig. 1 is implemented illustration;
Fig. 4 is that the structure of laser pickoff among Fig. 1 is implemented illustration.
Embodiment
Following examples are used to illustrate the utility model, but are not used for limiting scope of the present utility model.
As shown in Figure 1, the enforcement illustration for the utility model Laser Detecting Set comprises: generating laser 110 is used for emission of lasering beam; Laser pickoff 120 is used to receive laser beam; First support 111 and second support 121 are respectively applied for fixed laser transmitter 110 and laser pickoff 120; Laser beam emitting head 113 penetrates the generating laser 110 emitted laser Shu Chuizhi follow-up supervention of transferring as the exploring laser light bundle; Laser pick-off 123 receives the exploring laser light bundle and also vertically transfers, the laser beam that receives as laser pickoff 120; First connecting rod 112 and second connecting rod 122, respectively activity is carried out in first support 111 and laser beam emitting head 113, second support 121 and laser pick-off 123 and be connected, and when laser beam emitting head 113, laser pick-off 123 is collided, stretch and automatically reset.The direction of arrow among the figure is the trend of laser beam.
Wherein, first connecting rod 112 is identical with the structure of second connecting rod 122, includes telescopic strut mechanism and Flexible Reset device to realize dodging automatically and resetting of connecting rod.With first connecting rod 112 is the example explanation, as shown in Figure 1, telescopic strut mechanism is that parallelogram props up linkage in the first connecting rod 112 of present embodiment, two fulcrums of its opposite side, utilize rotating shaft 114,115 to be connected with laser beam emitting head 113 with first support 111 respectively, and realize the flexible automatically of first connecting rod 112 by changing interior angle; And the Flexible Reset device is a spring 116, and two end points is fixed with the telescopic strut mechanism of first support 111 and first connecting rod 112 respectively, to realize automatically reseting of first connecting rod 112.
In the above-mentioned Laser Detecting Set, the structure of laser beam emitting head 113 and laser pick-off 123 is also identical, and as shown in Figure 2, it comprises software shell 200, is used for the crashproof of laser beam emitting head 113 or laser pick-off 123, adopts rubbery outer cover in the present embodiment; Logical light window 201 is used for the incident and the outgoing of laser beam; Optical device 202 is used for the vertical turnover of laser beam, and it can adopt pentaprism, total reflection prism or level crossing group, adopts pentaprism to realize the vertical turnover of laser beam in the present embodiment; Fixedly supporting plate 203, are used for the fixing of optical device 202, and are used for fixing by shaft hole 204 realizations and first connecting rod 112 or second connecting rod 122.In addition, fixedly also be provided with between supporting plate 203 and the optical device 202 and adjust screw 205, change the angle of pitch of laser beam by the angle of adjusting optical device 202.
In addition, generating laser 110 and laser pickoff 120 all can adopt universal architecture of the prior art in the Laser Detecting Set of present embodiment.
Generating laser structure as shown in Figure 3, semiconductor laser tube 301 places in the launching tube 302 together with the collimation lens set 303 of its front end.The spacing of adjusting positive negative lens in the collimation lens set 303 can change the angle of divergence of laser beam, makes it become parallel beam.Launching tube 302 is fixed on the center of transmitter rack 304, can make launching tube 302 change its vertical direction by the vertical adjustment screw of adjusting on the transmitter rack 304 305, can drive launching tube 302 its horizontal directions of change and adjust the adjusted leveling screws 308 that is fixed on transmitter base plate 309 and the horizontal adjustment support 310, thereby the laser beam directive is specified the orientation.Also comprise fixed screw 306, transmitter rack stationary shaft 307 and horizontal adjustment support 310 in addition.
Laser pickoff structure as shown in Figure 4 is equipped with the convex lens 403 of optically focused, the optical filter 402 and the silicon photocell element 401 of restriction parasitic light successively in the receiving basin 404.Receiving basin 404 is fixed on the center of receiver holder 405, can make receiving basin change its vertical direction by the vertical adjustment screw of adjusting on the receiver holder 405 407, can drive receiving basin 404 its horizontal directions of change and adjust the adjusted leveling screws 409 that is fixed on receiver base plate 411 and the horizontal adjustment support 408, parallel to guarantee its optical axis direction with beam direction.Also comprise fixed screw 406 and receiver holder stationary shaft 410 in addition.Silicon photocell element 401 is converted to electric signal with the laser signal that receives, and is connected to the signal processor circuit plate by electrical lead.Pass through common filtering, amplifying circuit thus again, differentiate to be treated as electric signal, with control adhesive or release relay output alarm signal with certain amplitude.
Human body or the barrier monitoring that is applied between subway platform shield door and the train with Laser Detecting Set of the present utility model is example below, in conjunction with Fig. 1 its duty described.As shown in the figure, generating laser 110 can adopt present existing structure, is fixedly connected on first support 111, and this support can be fixed on the ground of platform edge inboard.The two ends of first connecting rod 112 are connected with first support 111 and laser beam emitting head 113 respectively; Generating laser is along being parallel to ground and launching laser perpendicular to the direction of subway train travel line, and be incident in the laser beam emitting head 113 that is between shield door and the train gap, after pentaprism 202 is transferred an angle of 90 degrees exactly, again along the gap of shield door and train and the direction that is parallel to ground surface penetrate, promptly as the exploring laser light bundle.The shell 200 of laser beam emitting head is crashproof rubber software, utilizes back-moving spring 116 to stretch out automatically after being squeezed and resets.Equally, laser pickoff 120 also adopts present existing structure, is fixedly connected on second support 121, and this support also is fixed on the ground of platform edge inboard.Laser pick-off 123 is identical with the structure of laser beam emitting head 113, and just service orientation is opposite.The two ends of second connecting rod 122 are connected with first support 121 and laser pick-off 123 respectively.Along shield door and train gap and the direction that is parallel to ground incide the laser beam of laser pick-off 123 a built-in pentaprism after vertical turnover, inject again and be parallel to ground and perpendicular to the laser pickoff 120 of line direction, the exploring laser light Shu Jinhang Treatment Analysis that is received by 120 pairs of laser pickoffs obtains real-time result of detection.In the above-mentioned Laser Detecting Set that is applied to the subway shield door security protection, optical signature according to the use pentaprism, when certain angular deflection or flexible shake take place in the benchmark job plane himself when, do not change as long as be fixed on the emitted laser Shu Fangxiang of generating laser institute on platform ground, can keep former direction constant yet through the pentaprism emitting laser bundle of vertically transferring.Therefore under the extreme condition that occurs once in a while, laser beam emitting head or laser pick-off head are squeezed by the train side and bump even local impact when taking place, can both shrink automatically by telescopic strut mechanism and dodge, and can utilize the Flexible Reset device to stretch out automatically to reset, and this Laser Detecting Set still can keep reliablely and stablely operate as normal at reseting period and after resetting.
More than be preferred forms of the present utility model, according to the disclosed content of the utility model, those of ordinary skill in the art can expect some identical, replacement schemes apparently, all should fall into the scope of the utility model protection.
Claims (10)
1, a kind of Laser Detecting Set is characterized in that, comprising:
Generating laser is used for emission of lasering beam;
Laser pickoff is used to receive laser beam;
First and second support is respectively applied for fixing described generating laser and laser pickoff;
Laser beam emitting head penetrates the described generating laser emitted laser Shu Chuizhi follow-up supervention of transferring as the exploring laser light bundle;
The laser pick-off head receives described exploring laser light bundle and vertically transfers, the laser beam that receives as described laser pickoff;
First and second connecting rod carries out activity with laser beam emitting head, described second support with the laser pick-off head to described first support respectively and is connected, and stretches when being collided and automatically reset at described laser beam emitting head, laser pick-off head.
2, Laser Detecting Set as claimed in claim 1 is characterized in that, described laser beam emitting head or laser pick-off head further comprise:
The software shell is used for the crashproof of described laser beam emitting head or laser pick-off head;
Logical light window is used for the incident and the outgoing of laser beam;
Optical device is used for the vertical turnover of laser beam;
Fixedly supporting plate is used for the fixing of described optical device, and described first connecting rod or second connecting rod is fixing.
3, Laser Detecting Set as claimed in claim 2 is characterized in that, described optical device is pentaprism, total reflection prism or level crossing group.
4, Laser Detecting Set as claimed in claim 2 is characterized in that, is provided with the adjustment screw between described fixedly supporting plate and the described optical device, changes the angle of pitch of laser beam by the angle of adjusting described optical device.
5, Laser Detecting Set as claimed in claim 2 is characterized in that, described software shell is a rubbery outer cover.
6, Laser Detecting Set as claimed in claim 1 is characterized in that, described first connecting rod or second connecting rod further comprise:
Telescopic strut mechanism is connected with laser beam emitting head with described first support respectively or is connected with the laser pick-off head with described second support respectively, to realize the flexible of described first, second connecting rod;
The Flexible Reset device is fixed with the telescopic strut mechanism of described first support and described first connecting rod respectively or is fixed with the telescopic strut mechanism of described second support and described second connecting rod respectively, to realize automatically reseting of described first, second connecting rod.
7, Laser Detecting Set as claimed in claim 6, it is characterized in that, described telescopic strut mechanism is a parallelogram pole, two fulcrums of the opposite side of described parallelogram pole, utilize rotating shaft to be connected with laser beam emitting head with described first support respectively or be connected with the laser pick-off head with described second support respectively, and realize the flexible automatically of described first, second connecting rod by changing interior angle.
8, Laser Detecting Set as claimed in claim 6, it is characterized in that, described Flexible Reset device is a spring, two end points of described spring are fixed with the telescopic strut mechanism of described first support and described first connecting rod respectively or are fixed with the telescopic strut mechanism of described second support and described second connecting rod respectively, to realize automatically reseting of described first, second connecting rod.
As each described Laser Detecting Set of claim 1 to 8, it is characterized in that 9, described device is arranged between subway platform shield door and the subway platform edge.
10, Laser Detecting Set as claimed in claim 9, it is characterized in that, described device is fixedly set on the ground of inboard, subway platform edge by described first, second support, and whether the gap location between subway platform screen door and the train is detained human body or barrier is monitored in real time.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200798952U CN201184915Y (en) | 2008-04-11 | 2008-04-11 | Laser detection apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200798952U CN201184915Y (en) | 2008-04-11 | 2008-04-11 | Laser detection apparatus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201184915Y true CN201184915Y (en) | 2009-01-21 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008200798952U Expired - Lifetime CN201184915Y (en) | 2008-04-11 | 2008-04-11 | Laser detection apparatus |
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| CN (1) | CN201184915Y (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102681024A (en) * | 2012-05-24 | 2012-09-19 | 北京北奥东华激光技术有限公司 | Continuous reflection type laser detection device |
| CN103454694A (en) * | 2013-09-10 | 2013-12-18 | 北京北奥东华激光技术有限公司 | Telescopic laser detection system |
| CN113608537A (en) * | 2021-08-12 | 2021-11-05 | 广东顺力智能物流装备股份有限公司 | Laser navigation unmanned trolley for intelligent logistics and navigation method thereof |
| CN114590685A (en) * | 2022-02-28 | 2022-06-07 | 浙江埃克森电梯有限公司 | Platform type household elevator |
-
2008
- 2008-04-11 CN CNU2008200798952U patent/CN201184915Y/en not_active Expired - Lifetime
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102681024A (en) * | 2012-05-24 | 2012-09-19 | 北京北奥东华激光技术有限公司 | Continuous reflection type laser detection device |
| CN102681024B (en) * | 2012-05-24 | 2014-06-04 | 北京北奥东华激光技术有限公司 | Continuous reflection type laser detection device |
| CN103454694A (en) * | 2013-09-10 | 2013-12-18 | 北京北奥东华激光技术有限公司 | Telescopic laser detection system |
| CN103454694B (en) * | 2013-09-10 | 2016-03-30 | 北京北奥东华激光技术有限公司 | A kind of telescopic laser detection system |
| CN113608537A (en) * | 2021-08-12 | 2021-11-05 | 广东顺力智能物流装备股份有限公司 | Laser navigation unmanned trolley for intelligent logistics and navigation method thereof |
| CN113608537B (en) * | 2021-08-12 | 2024-02-02 | 合肥中递科技有限公司 | Laser navigation unmanned trolley for intelligent logistics and navigation method thereof |
| CN114590685A (en) * | 2022-02-28 | 2022-06-07 | 浙江埃克森电梯有限公司 | Platform type household elevator |
| CN114590685B (en) * | 2022-02-28 | 2024-04-26 | 浙江埃克森电梯有限公司 | Platform type home elevator |
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Legal Events
| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20090121 |