CN201852562U - Platform floor height measuring device - Google Patents
Platform floor height measuring device Download PDFInfo
- Publication number
- CN201852562U CN201852562U CN201020638043XU CN201020638043U CN201852562U CN 201852562 U CN201852562 U CN 201852562U CN 201020638043X U CN201020638043X U CN 201020638043XU CN 201020638043 U CN201020638043 U CN 201020638043U CN 201852562 U CN201852562 U CN 201852562U
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- platform floor
- light curtain
- curtain
- vehicle
- height
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Abstract
The utility model discloses a platform floor height measuring device, which comprises a correlative measuring light curtain and a controller. The correlative measuring light curtain includes a luminous-side light curtain and a receiving-side light curtain which are respectively arranged on two sides of a lane, and the controller is connected with the receiving-side light curtain. When a vehicle to be measured enters a measuring area, the receiving-side light curtain can only receive light rays penetrating through the lower side of the vehicle to be measured, and simultaneously outputs a current signal corresponding to a light signal in intensity, namely current signal intensity is in one-to-one correspondence to light beam height values, and then the current signal is supplied to the controller. The controller converts the analog current signal into a digital quantity signal, and then the platform floor height value of the vehicle to be measured is obtained by calculation according to correspondence between the digital quantity signal and the height of the measuring light curtain. The platform floor height measuring device is capable of realizing object measurement of the platform floor height of the vehicle to be measured without being affected by factors such as human factors, tire aeration quantity, platform load capacity and the like, and is capable of precisely measuring the platform floor height of the vehicle to be measured.
Description
Technical field
The utility model relates to the surveying instrument technical field, particularly relates to the platform floor height measuring device.
Background technology
When sampling for the commercial coal haulage vehicle, use the mechanical sampling device that the commercial coal in the transportation commodity coal car is sampled, need to control the sampling depth of sampling apparatus in the sampling process according to the height of the platform floor of haulage vehicle.
Because the vehicle complexity of commercial coal haulage vehicle, the platform floor height differs bigger, the height value of the platform floor of the haulage vehicle of common at present employing manual measurement commercial coal, again the height value of this platform floor is input in the controller in the mechanical sampling device, and then can obtain the sampling minimum altitude of this transport vehicle, the commercial coal on this transport vehicle is sampled.
The mode of the platform floor height of this manual measurement haulage vehicle, since be subjected to human factor, transport vehicle tire at most, the influence of the dead weight capacity in compartment, cause the platform floor height value accuracy rate that manually records low, and then influence the objectivity and the fairness of commercial coal sampling.Therefore be badly in need of a kind of device that can measure the platform floor height of haulage vehicle automatically, be not subjected to artificial or Effect of Environmental, thereby can record the platform floor height value of haulage vehicle accurately.
The utility model content
For solving the problems of the technologies described above, the utility model embodiment provides a kind of platform floor measurement mechanism, and to realize automatically and accurately recording the platform floor height of commercial coal haulage vehicle, technical scheme is as follows:
A kind of platform floor measurement mechanism comprises: correlation measuring light curtain and controller, wherein:
Described correlation measuring light curtain comprises: be separately positioned on the luminous sidelight curtain of both sides, track and receive the sidelight curtain.
Described controller and described reception sidelight curtain link.
Preferably, the height of described correlation measuring light curtain is no more than 2m.
Preferably, described controller is programmable logic controller (PLC) PLC.
Preferably, described correlation measuring light curtain is for blocking formula measuring light curtain.
Preferably, also comprise the display device that links to each other with described controller.
The technical scheme that is provided by above the utility model embodiment as seen, described platform floor measurement mechanism is measured the height of platform floor by the correlation measuring light curtain that is arranged on measured zone, and described correlation measuring light curtain comprises luminous sidelight curtain and receives the sidelight curtain.When vehicle to be measured enters measured zone, receive the sidelight curtain and can only receive the light that passes from the below, compartment of vehicle to be measured, export the current signal corresponding simultaneously with described light signal strength, wherein, described current signal is directly proportional with described light signal, be that described current signal strength is corresponding one by one with the light beam height value, and this current signal is offered described controller.Controller at first converts analog current signal to digital quantity signal, and then calculates the platform floor height value of vehicle to be measured according to the corresponding relation between described this digital quantity signal and measuring light curtain height.This platform floor measurement mechanism can realize objectively measuring the height of vehicle car base plate to be measured, is not subjected to the influence of factors such as human factor, inflation of tire amount, compartment dead weight capacity, can record the platform floor height of vehicle to be measured accurately.
Description of drawings
In order to be illustrated more clearly in the utility model embodiment or technical scheme of the prior art, to do to introduce simply to the accompanying drawing of required use in embodiment or the description of the Prior Art below, apparently, the accompanying drawing that describes below only is some embodiment that put down in writing in the utility model, for those of ordinary skills, under the prerequisite of not paying creative work, can also obtain other accompanying drawing according to these accompanying drawings.
Fig. 1 realizes the process flow diagram of Ajax capturing webpage contents method for the utility model embodiment.
Embodiment
In order to make those skilled in the art person understand technical scheme in the utility model better, below in conjunction with the accompanying drawing among the utility model embodiment, technical scheme among the utility model embodiment is clearly and completely described, obviously, described embodiment only is the utility model part embodiment, rather than whole embodiment.Based on the embodiment in the utility model, those of ordinary skills are not making the every other embodiment that is obtained under the creative work prerequisite, all should belong to the scope of the utility model protection.
Referring to platform floor measurement mechanism shown in Figure 1, mainly comprise: correlation measuring light curtain and controller (not shown), wherein, described correlation measuring light curtain comprises luminous sidelight curtain 1, receive sidelight curtain 2, controller and described reception sidelight curtain 2 link, and are used to receive the current signal that the sidelight curtain is sent, and carry out the height that logical operation obtains platform floor according to this current signal.
And the height of the correlation measuring light curtain in the described platform floor measurement mechanism is generally about 2m, and the platform floor height that this highly is higher than vehicle to be measured is lower than the whole height of vehicle to be measured.
As shown in Figure 1, when vehicle 3 to be measured enters measured zone, luminous sidelight curtain 1 sends light signal can be blocked a part by vehicle 3 to be measured, receive the sidelight curtain and can only receive the light signal that passes from the space of bottom, compartment, again because the height of the aspect ratio vehicle 3 to be measured of light curtain is low, than the height height of platform floor, promptly in the light-emitting zone of correlation light curtain, light signal can only pass from the space between platform floor and the ground and be received 2 receptions of sidelight curtain.
For correlation measuring light curtain, the light signal strength that its reception sidelight curtain 2 receives and the height of this correlation measuring light curtain are proportional, and this reception sidelight curtain 2 converts the light signal that receives to current signal, the current signal and the height value that promptly receive the output of sidelight curtain are proportional, therefore, controller can calculate the platform floor height value of vehicle to be measured according to the current signal that receives.
Correlation measuring light curtain in the described present embodiment is for blocking formula measuring light curtain, and its light curtain highly is 2m, and its scope that receives sidelight curtain output current is: 4mA～20mA, and wherein the height value of 4mA correspondence is 0m, the height value of 20mA correspondence is 2m;
Be understandable that, installation site difference according to correlation measuring light curtain, its pairing height value of current value of being exported apart from the height difference on ground is also different, when the setting height(from bottom) of light curtain is 0.5m, be the light curtain the light beam of below according to ground 0.5m, the height of exporting sidelight curtain output current correspondence this moment is that the light curtain height value of output current correspondence is added mounting distance, and promptly the 4mA respective heights is 0+0.5=0.5m, output current 20mA respective heights 2+0.5=2.5m.
Certainly, when the height of described correlation measuring light curtain not simultaneously, the height of its output current correspondence is also different.
Described controller is PLC (Programmable logic Controller, a programmable logic controller (PLC)), and itself and described reception sidelight curtain link, and can communicate by wired mode or wireless mode between promptly described PLC and the described reception sidelight curtain.
Be elaborated with a concrete application example below: when vehicle 3 to be measured enters test zone, the light signal that emitting side optical curtain 1 in the correlation measuring light curtain is launched is blocked a part by vehicle 3 to be measured, because the height of correlation measuring light curtain is 2m, the height that is higher than platform floor, and be lower than the whole height of described vehicle to be measured, therefore, receive the sidelight curtain and can only receive the light signal that passes from the platform floor below.Receive the intensity output corresponding current signal of sidelight curtain 2, and this current signal is offered described PLC according to the light signal that receives.
Described PLC at first converts this analog current to sixteen bit binary digit amount, be about to the binary data that 4mA～20mA converts 0～65535 correspondence to, this binary data is proportional corresponding with height value, be binary data 0 corresponding minimum height values 0m, binary data 65535 corresponding maximum height value 2m, finally by calculating the height of platform floor, and this platform floor height value is offered other equipment.For example: described PLC can offer this height value the mechanical sampling device of commercial coal, thereby obtains accurate sampling depth value, the accuracy rate of the described mechanical sampling device of raising.
Preferably, the platform floor measurement mechanism that the utility model embodiment provides also comprises display device, and this display device links to each other with described PLC, can show the height of the platform floor that records.
Platform floor measurement mechanism in the present embodiment utilizes correlation measuring light curtain to measure the height of platform floor, when vehicle to be measured enters test zone, receive the sidelight curtain and can only receive the light that passes from the below, compartment of vehicle to be measured, export the current signal corresponding simultaneously with described light signal, and this current signal offered described PLC, described PLC at first converts analog current signal to digital quantity signal, and then obtain the platform floor height value of vehicle to be measured according to the corresponding relation between described this digital quantity signal and measuring light curtain height, this platform floor measurement mechanism can realize objectively measuring the height of vehicle car base plate to be measured, be not subjected to human factor, the inflation of tire amount, the influence of factors such as compartment dead weight capacity can record the platform floor height of vehicle to be measured accurately.
Each embodiment in this instructions all adopts the mode of going forward one by one to describe, and identical similar part is mutually referring to getting final product between each embodiment, and each embodiment stresses all is difference with other embodiment.Those of ordinary skills promptly can understand and implement under the situation of not paying creative work.
The above only is an embodiment of the present utility model; should be pointed out that for those skilled in the art, under the prerequisite that does not break away from the utility model principle; can also make some improvements and modifications, these improvements and modifications also should be considered as protection domain of the present utility model.
Claims (5)
1. a platform floor measurement mechanism is characterized in that, comprising: correlation measuring light curtain and controller, wherein:
Described correlation measuring light curtain comprises: be separately positioned on the luminous sidelight curtain of both sides, track and receive the sidelight curtain;
Described controller and described reception sidelight curtain link.
2. platform floor measurement mechanism according to claim 1 is characterized in that, the height of described correlation measuring light curtain is no more than 2m.
3. platform floor measurement mechanism according to claim 1 and 2 is characterized in that, described controller is programmable logic controller (PLC) PLC.
4. platform floor measurement mechanism according to claim 1 is characterized in that, described correlation measuring light curtain is for blocking formula measuring light curtain.
5. platform floor measurement mechanism according to claim 1 is characterized in that, also comprises the display device that links to each other with described controller.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201020638043XU CN201852562U (en) | 2010-12-01 | 2010-12-01 | Platform floor height measuring device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201020638043XU CN201852562U (en) | 2010-12-01 | 2010-12-01 | Platform floor height measuring device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201852562U true CN201852562U (en) | 2011-06-01 |
Family
ID=44094951
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201020638043XU Expired - Fee Related CN201852562U (en) | 2010-12-01 | 2010-12-01 | Platform floor height measuring device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201852562U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103292756A (en) * | 2013-04-03 | 2013-09-11 | 芜湖中瑞弹簧有限公司 | Spring coil number testing device |
| CN106617802A (en) * | 2016-12-26 | 2017-05-10 | 南华大学 | Intelligent lifting desk and chair |
-
2010
- 2010-12-01 CN CN201020638043XU patent/CN201852562U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103292756A (en) * | 2013-04-03 | 2013-09-11 | 芜湖中瑞弹簧有限公司 | Spring coil number testing device |
| CN106617802A (en) * | 2016-12-26 | 2017-05-10 | 南华大学 | Intelligent lifting desk and chair |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110601 Termination date: 20181201 |