CN100411840C - Asphalt concrete mixing equipment termination product car-loading control system - Google Patents
Asphalt concrete mixing equipment termination product car-loading control system Download PDFInfo
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- CN100411840C CN100411840C CNB2007100206150A CN200710020615A CN100411840C CN 100411840 C CN100411840 C CN 100411840C CN B2007100206150 A CNB2007100206150 A CN B2007100206150A CN 200710020615 A CN200710020615 A CN 200710020615A CN 100411840 C CN100411840 C CN 100411840C
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Abstract
The present invention discloses a finished product loading controlling system of a bitumen-concrete mixing device, which is characterized in that an ultrasonic ranging sensor is used to automatically collect the distance data of a carrier during the whole material-loading process at the real time for a system controller and understand the position and material-loading circumstance of the carrier according to the changes of the distance; then the system controller directs the exact stopping position of the carrier and the moving displacements of the vehicle during the material-loading process by a sound-loudspeaker; the driver can finish the whole loading process within the cab by following the directions of the instrument, which avoids the hidden trouble of the health and security of the workers which is caused by the dust of the environment. The present invention also communicates with a distance controlling system of the bitumen-concrete mixing device system to judge the current stocks at the real time, which can avoid waiting for the material, and the present invention saves time and labor and is safe and convenient and greatly improves the production efficiency. The present invention can be widely applied to the finished production loading of the bitumen-concrete mixing device and the solid material loadings in other similar occasions.
Description
One technical field
The present invention relates to a kind of product car-loading control system of asphalt mixing plant control system, particularly a kind of asphalt mixing plant.
Two background technologies
In asphalt mixing plant, finished product is often delivered to finished bin by feeding trolley and is incubated and deposits, be sent to the building site by transport vehicle then, along with the raising of asphalt mixing plant production capacity and the increase day by day of transport development scale, the delivery safety and the efficient of transport vehicle are had higher requirement.In present production, because the discharging opening of finished bin is above transport vehicle, for the driver who is sitting in the driver's cabin, in the parking charging position and whole charging process of accuracy of judgement, generally be to command by manually get off observation or special configuration personnel, if what adorned is fluid, then load more even in the transport vehicle car, do not need the shift position, but for the solid material that resembles the bituminous concrete finished product, owing to do not have flowability, impaired as loading the inhomogeneous axletree that will make when entrucking, therefore in the entrucking process, often need according to the compartment in the position of the real-time moving vehicle of the charging situation of a certain position, so that the material in the compartment can be evenly distributed in the compartment, this method that only depends on manual observation control had both influenced production efficiency, waste of manpower financial resources again; Add healthy and safe also the brought hidden danger of the airborne dust of charging environment to the staff.In addition, can not understand in real time for the quantity in stock in the warehouse, cause transport vehicle not enough waiting of material in charging one semiosis to expect phenomenon often, degradation influences the generation of factor of production under the concrete temperature that causes.
The 33rd the 9th phase of volume of " coal science and technology " magazine discloses one piece of " design of colliery railway automatic loading system " of being write by Zhang Dongmei and Wang Chenggang, a kind of modification scheme to certain colliery railway automatic loading system is disclosed in the literary composition, they have proposed to adopt the power traction frequency control to add the method for weighing and controlling, promptly promote the railway carriage injection by the computer control tractor, by photoelectric sensor real-time tracking record railway carriage position, and definite railway carriage length, again by computer starting conveyer belt and feeder, measure the weighing value by weighing sensor simultaneously, according to the parking stall, the vehicle commander and the speed of a motor vehicle, calculate the stacking curve of coal in the railway carriage, the speed of travel of control tractor realizes level and smooth entrucking.This method is because the difference of charging car is also impracticable for the obvious inconvenience of bituminous concrete finished product that adopts truck to transport, and cost is than higher.
Three summary of the invention
The present invention seeks at the deficiencies in the prior art, providing a kind of can command parking spot, the mobile startup of transport vehicle automatically and stop and understanding the product car-loading control system of inventory information with the asphalt mixing plant of material phenomenons such as avoiding in real time by voice suggestion.
The objective of the invention is to be achieved through the following technical solutions, the product car-loading control system of asphalt mixing plant, it is characterized in that it mainly comprises a system controller, ultrasonic ranging sensor and voice loudspeaker, the ultrasonic ranging sensor is positioned at the side of product discharge door, the voice loudspeaker are positioned at the top of transport vehicle, and the input of the output of ultrasonic ranging sensor and voice loudspeaker links to each other with CPU process chip in the system controller by modulus A/D conversion chip and speech interface chip respectively; The air-powered electromagnetic threshold switch of the output of the power amplification circuit in the system controller and product discharge door joins, the air-powered electromagnetic threshold switch is being controlled the following bin gate of product discharge door, and system controller also adopts communication cable to link to each other with the stored program controlled of program control chamber by the RS485 interface.
The finished product concrete temperature that comes out from asphalt mixing plant contacts back because temperature difference can produce certain smog and dust with air than higher when entrucking, cause working environment more abominable.The ultrasonic ranging sensor that the present invention adopts belongs to noncontacting proximity sensor, and less demanding to environment for use, its ultrasonic energy consumption is slow, and the distance of propagating in medium is far away, and smog and dust are had strong penetrability and directive property.Behind the ultrasonic ranging working sensor, can constantly gather by the range data of discharge port to transport vehicle, it is by the ultrasonic wave of setting pattern emission through specific coding, the ultrasonic signal that reflects from destination object is accepted and decodes, hyperacoustic transmission time is noted down, and converts range data to after temperature compensated.System before use, set in advance distance value by communication interface, and as required the voice document that records is in advance left among the Flash of CPU process chip, when haulage vehicle sails discharge port into, because control system is constantly gathered range data, when first distance occurring from high to low the time (variable quantity is greater than the numerical value of setting), think that the compartment of transport vehicle just passes through discharge port, the time-delay regular hour sends voice broadcast service commander transport vehicle by the control of the CPU process chip in system controller voice loudspeaker and stops, automatically the operated pneumatic valve of opening simultaneously product discharge door carries out entrucking, when entrucking reaches the height of setting, automatically close the operated pneumatic valve of discharge port, and send voice broadcast service commander transport vehicle and move forward.Because the angle of stacking naturally of bituminous concrete is certain, so can extrapolate the displacement of moving according to the variation of the distance of gathering in the process of moving.If the variable quantity of distance is Δ L, the angle of stacking naturally of bituminous concrete is θ, and then the lateral displacement Δ D that moves of transport vehicle is:
ΔD＝ΔL×tgθ
System controller is stacked the moving step length that angular data and optimization algorithm have calculated transport vehicle naturally according to the size of haulage vehicle, maximum entrucking height, bituminous concrete, when moving step length that the displacement of moving equals to calculate, command to stop to transport vehicle by voice broadcast service and carry out again entrucking.When transport vehicle has been filled and has been sailed out of discharge port, the ultrasonic ranging sensor that is positioned at the discharge port side can equal by the distance value that records to pop one's head in ground distance and judge accurately.System controller of the present invention also communicates by the stored program controlled of RS485 interface with master control room, carry out the initial setting of instrument and read the output data in real time, carrying out entrucking judges, if the not enough carload of current quantity in stock, just do not open discharge gate, influence the generation of factor of production degradation under the concrete temperature that the material phenomenon causes such as to avoid.
The present invention compared with prior art its significant advantage is: 1, by a ultrasonic ranging sensor, gather transport vehicle automatically real-time in whole charging process middle distance data, and understand the position and the charging situation of transport vehicle according to variable in distance, range accuracy can reach 1mm; 2, by the displacement of moving of vehicle in parking spot and the charging process accurately of voice loudspeaker commanders transport vehicle, the commander that the driver accepts instrument can not go out driver's cabin and finish whole entrucking process, avoided since the airborne dust of environment to staff's the healthy and safe hidden danger of bringing, time saving and energy saving, safe ready has improved production efficiency greatly; 3, can communicate with the stored program controlled of asphalt mixing plant system, the quantity in stock that real-time judge is current, the concrete temperature of the material phenomenon such as having avoided to cause descends and influence factor of production and produces, and can be widely used in that finished product in the asphalt mixing plant is feeded and the charging of other similar applications solid materials.
Concrete structure of the present invention is provided by the following drawings and embodiment.
Four description of drawings
Fig. 1 is the operation principle schematic diagram according to asphalt concrete mixing equipment termination product car-loading control system of the present invention.
Fig. 2 is the circuit theory schematic diagram of asphalt concrete mixing equipment termination product car-loading control system.
Five specific embodiment
Below in conjunction with accompanying drawing, concrete structure of the present invention is described in further detail.
Referring to Fig. 1, the asphalt concrete mixing equipment termination product car-loading control system of making according to the present invention mainly is made of an embedded system controller 1, ultrasonic ranging sensor 2 and the voice loudspeaker 3 by system controller 1 control.Ultrasonic ranging sensor 2 is arranged on the side of product discharge door, what its was exported is the 4-20mA standard signal, link to each other with CPU process chip 4 in the system controller 1 through analog quantity/digital quantity (A/D) conversion chip 5, the distance signal that it collects carries out range conversion and digital filtering in CPU process chip 4 inside behind A/D conversion chip 5, obtain the concrete distance values to transport vehicle 12.Voice loudspeaker 3 are arranged on the top of transport vehicle 12, it is connected with CPU process chip 4 in the system controller 1 by speech interface chip 6, before the use, the voice document that records in advance leaves among the Flash in the CPU process chip 4, is play by system controller 1 commander's voice loudspeaker 3 when needed.System controller 1 is also controlled the following bin gate 11 of commanding product discharge door simultaneously, the following bin gate 11 of product discharge door adopts air-operated solenoid valve 9 as gauge tap, system controller 1 adopts switching value output through power amplification circuit 7 rear drive air-operated solenoid valves 9, and the energising of air-operated solenoid valve 9, dead electricity open and close the following bin gate 11 of discharge port respectively.In addition, system controller 1 of the present invention also communicates by the stored program controlled of RS485 interface 8 with program control chamber 10, the real-time output data that read, understand quantity in stock, because the CPU process chip 4 own Transistor-Transistor Logic levels in 485 signal levels and the system controller 1 do not match, so RS-485 interface 8 adopts the combination of balance driver and differential receiver, anti-common mode is done ability and is strengthened, and promptly noise immunity is good.Because the half-duplex network of forming only needs two lines, so the communication cable between system controller 1 and program control chamber 10 adopts Shielded Twisted Pair, communication distance can reach 1200 meters.
The entire circuit plate of system controller 1 of the present invention adopts the metal shell encapsulation, has power switch, demonstration and SR, and the shielding grade reaches IP65.
Claims (1)
1. the product car-loading control system of an asphalt mixing plant, it is characterized in that it mainly comprises a system controller [1], ultrasonic ranging sensor [2] and voice loudspeaker [3], ultrasonic ranging sensor [2] is positioned at the side of product discharge door, voice loudspeaker [3] are positioned at the top of transport vehicle [12], and the input of the output of ultrasonic ranging sensor [2] and voice loudspeaker [3] links to each other with CPU process chip [4] in the system controller [1] by modulus A/D change-over switch [5] and speech interface chip [6] respectively; The output of the power amplification circuit [7] in the system controller [1] and the air-powered electromagnetic threshold switch [9] of product discharge door join, air-powered electromagnetic threshold switch [9] is being controlled the following bin gate [11] of product discharge door, and system controller [1] also adopts communication cable to link to each other with the stored program controlled of program control chamber [10] by RS485 interface [8].
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2007100206150A CN100411840C (en) | 2007-03-15 | 2007-03-15 | Asphalt concrete mixing equipment termination product car-loading control system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2007100206150A CN100411840C (en) | 2007-03-15 | 2007-03-15 | Asphalt concrete mixing equipment termination product car-loading control system |
Publications (2)
| Publication Number | Publication Date |
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| CN101138867A CN101138867A (en) | 2008-03-12 |
| CN100411840C true CN100411840C (en) | 2008-08-20 |
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| Application Number | Title | Priority Date | Filing Date |
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| CNB2007100206150A Expired - Fee Related CN100411840C (en) | 2007-03-15 | 2007-03-15 | Asphalt concrete mixing equipment termination product car-loading control system |
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Families Citing this family (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102476402B (en) * | 2010-11-26 | 2014-09-24 | 北车兰州机车有限公司 | Mortar truck and mixing control system for same |
| CN102225589B (en) * | 2011-06-13 | 2012-12-12 | 三一重工股份有限公司 | Mixing station or mixing building and system for controlling mixing station or mixing building |
| CN102602318A (en) * | 2012-03-13 | 2012-07-25 | 三一重工股份有限公司 | Concrete transporting equipment, loading system, unloading system and automatic loading and unloading method |
| CN106272962A (en) * | 2016-08-31 | 2017-01-04 | 中国冶集团有限公司 | A kind of band voice message can calculate the blender and operational approach weighed automatically |
| CN106553990B (en) * | 2017-01-24 | 2018-08-07 | 长安大学 | A kind of asphalt loading system and control method based on machine vision |
| CN108018758A (en) * | 2018-01-03 | 2018-05-11 | 重庆锐焰鑫机电设备有限公司 | Exhaust gas automatically processes environment friendly system and method when being loaded for bituminous mixing plant |
| CN109164734B (en) * | 2018-08-28 | 2020-10-20 | 北京建工资源循环利用投资有限公司 | Automatic loading control system and method for building aggregate |
| CN109399254B (en) * | 2018-12-07 | 2021-10-15 | 三一汽车制造有限公司 | Finished product storehouse automatic discharge control system and asphalt plant |
| CN110376595B (en) * | 2019-06-28 | 2021-09-24 | 湖北大学 | Vehicle measuring system of automatic loading machine |
| CN114643643A (en) * | 2022-04-21 | 2022-06-21 | 深圳海星智驾科技有限公司 | Unloading control method and device and unloading control system |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0901017A2 (en) * | 1997-09-02 | 1999-03-10 | Tarmac Heavy Building Materials UK Limited | Method of checking the slump of a ready-mix concrete load |
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| CN2511466Y (en) * | 2002-01-12 | 2002-09-18 | 福建南方路面机械有限公司 | Asphalt concrete mixing apparatus controlling system based on general line in site |
| CN1371791A (en) * | 2002-04-10 | 2002-10-02 | 陈启宗 | Cold aggregate batching treatment method and device for continuous bituminous concrete mixing equipment |
| CN2579938Y (en) * | 2002-03-08 | 2003-10-15 | 陈启宗 | Aggregate charge mixture metering device for continuous pitch concrete stirring equipment |
| US6805478B2 (en) * | 2000-04-03 | 2004-10-19 | Aizawa Koatsu Concrete Kk | Network type automation concrete plant |
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2007
- 2007-03-15 CN CNB2007100206150A patent/CN100411840C/en not_active Expired - Fee Related
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0901017A2 (en) * | 1997-09-02 | 1999-03-10 | Tarmac Heavy Building Materials UK Limited | Method of checking the slump of a ready-mix concrete load |
| US6805478B2 (en) * | 2000-04-03 | 2004-10-19 | Aizawa Koatsu Concrete Kk | Network type automation concrete plant |
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| CN2511466Y (en) * | 2002-01-12 | 2002-09-18 | 福建南方路面机械有限公司 | Asphalt concrete mixing apparatus controlling system based on general line in site |
| CN2579938Y (en) * | 2002-03-08 | 2003-10-15 | 陈启宗 | Aggregate charge mixture metering device for continuous pitch concrete stirring equipment |
| CN1371791A (en) * | 2002-04-10 | 2002-10-02 | 陈启宗 | Cold aggregate batching treatment method and device for continuous bituminous concrete mixing equipment |
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| LHZ25沥青混凝土转运车. 戚建等.筑路机械与施工机械化，第20卷第1期. 2003 |
| LHZ25沥青混凝土转运车. 戚建等.筑路机械与施工机械化，第20卷第1期. 2003 * |
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| CN101138867A (en) | 2008-03-12 |
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