CN102673981A - Conveyor belt metal access control system - Google Patents
Conveyor belt metal access control system Download PDFInfo
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- CN102673981A CN102673981A CN2011100636899A CN201110063689A CN102673981A CN 102673981 A CN102673981 A CN 102673981A CN 2011100636899 A CN2011100636899 A CN 2011100636899A CN 201110063689 A CN201110063689 A CN 201110063689A CN 102673981 A CN102673981 A CN 102673981A
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Abstract
The invention discloses a conveyor belt metal access control system which comprises a main control box, a first metal detector, a second metal detector, a first scaler, a second scaler and an instruction sending module. The main control box is respectively connected with a control system of a first conveyor belt and a control system of a second conveyor belt; the first metal detector and the second metal detector are respectively arranged at the head end and the tail end of the first conveyor belt and are both connected with the main control box; the first scaler and the second scaler are respectively arranged on the first conveyor belt and the second conveyor belt and are connected with the main control box; and the instruction sending module is respectively connected with the main control box and a receiving end, receives an executive instruction sent by the main control box and sends the executive instruction to the receiving end.
Description
Technical field
The present invention relates to a kind of monitored control system, relate in particular to a kind of monitored control system of monitoring the material transportation.
Background technology
The production of metalworks such as iron and steel needs a large amount of mineral aggregates.Mineral aggregate in bulk mainly passes through shipping to harbour, is responsible for discharging by ship unloaders, and the groundwork of ship unloaders is that the ore of alongside on the carrier of harbour loaded and unloaded floor conveyer, is transported to the stockyard from floor conveyer again, uses in order to blast furnace.The main flow process of its loading and unloading is: ship unloaders are picked up ore from cabin with grab bucket and are placed in the unloader machine in the hopper, and ore is sent to the ground belt of iron-smelter via shunting load-transfer device in the machine from hopper, get into the stockyard via floor conveyer.In order to guarantee normal production continuously, metallic impurity should be detected as much as possible in the ore in the unloader machine on the shunting load-transfer device.Yet have metallic impurity in the ore inevitably; The Inspection equipment of existing metallic impurity is to be accomplished by a metal detector that is installed in hopper discharging opening in the machine; The quality of this equipment directly has influence on the safe direct motion of production; Can not be detected like impurity, with tearing load-transfer device in the ship unloaders machine to shreds, even tear the danger of floor conveyer to shreds.
As shown in Figure 1, existing metal detector A is detectability for once, and after detector was surveyed the metal object D of A in the material C, metal detector A provided load-transfer device B shutdown signal in the machine, makes to shunt load-transfer device B in the machine and shut down.Because the particularity of load-transfer device in the ship unloaders machine, its total length is no more than 20m, and the specific condition that the space, geographic position is narrow and small is so can't realize adopting existing tramp iron separator; Must detect with rake by manual work,, can not guarantee filter ratio completely, very easily cause the omission of " follow-up " metal object E on the load-transfer device in the machine because artificial efficient of taking out depends on sense of responsibility and work capacity.Because after first metal object D is removed; The metal object E of " follow-up " need have a time difference when metal detector restarts, this is the startup standby phase about 10S.This standby phase can " let slip " follow-up " metal object E ", gets into operation load-transfer device down.
Summary of the invention
The purpose of this invention is to provide a kind of load-transfer device metallic door access control system; It only has the one-time detection function to existing metal detector and causes the shortcoming of metal object omission; Can solve above-mentioned omission problem, thereby improve the detection accuracy rate greatly, this load-transfer device metallic door access control system also has very strong obstacle overcome ability simultaneously; Its data transmission is accurate, is convenient to control.
The present invention is according to the foregoing invention purpose; A kind of load-transfer device metallic door access control system is provided; It is connected with one second load-transfer device with one first load-transfer device; Said first load-transfer device has a head end and a tail end, be transferred material earlier, after through said first load-transfer device and second load-transfer device, said load-transfer device metallic door access control system comprises:
One total control case, its control system with first load-transfer device is connected, and also the control system with second load-transfer device is connected, and the control system of said first load-transfer device and second load-transfer device is controlled the startup and the shutdown of first load-transfer device and second load-transfer device respectively;
One first metal detector, it is located near the head end of said first load-transfer device, and said first metal detector is connected with said total control case, and said first metal detector transfers to total control case with detection signal;
One first scaler, it is located on said first load-transfer device, and said first scaler is connected with said total control case, and also will calibrate the result is sent to total control case to the scaling instruction that the total control of reception case sends;
One instruction sending module, it is connected respectively with a said total control case and a receiving end, and said instruction sending module receives the execution command that total control case sends, and this execution command is sent to receiving end;
One second metal detector, it is located near the tail end of said first load-transfer device, and said second metal detector is connected with said total control case, and said second metal detector transfers to total control case with detection signal;
One second scaler, it is located on said second load-transfer device, and said second scaler is connected with said total control case, and also will calibrate the result is sent to total control case to the scaling instruction that the total control of reception case sends.
Preferably, said receiving end and said instruction sending module wireless connections.
Preferably, said instruction sending module is a digital transmission module, and said receiving end is a personal communications terminal, for example mobile phone.
Alternatively, the detection sensitivity of said second metal detector is lower than first metal detector.
Preferably, said first metal detector comprises one first detection head and the one and first detection head bonded assembly, the first detection head control box; Said second metal detector comprises one second detection head and the one and second detection head bonded assembly, the second detection head control box; Said first scaler comprises one first calibration probe and the one and first calibration probe bonded assembly, the first scaler control box; Said second scaler comprises one second calibration probe and the one and second calibration probe bonded assembly, the second scaler control box.
Preferably, said first metal detector also is connected with a warning device.
Preferably, said second metal detector also is connected with another warning device.
Preferably, said total control case also is connected with a warning device.
Preferably, said warning device is acoustic-optic alarm.
In the present technique scheme, first metal detector is positioned near the head end of first load-transfer device, and during through first metal detector, first metal detector is sent to total control case with detection signal as metal object, always controls case and controls first load-transfer device and shut down at once.Simultaneously, always control case and send scaling instruction, require first scaler that the residing position of metal object is calibrated, and pass rate-aided signal back total control case to first scaler.In addition; Total control case also will be carried out signal and be sent to receiving terminal through instruction sending module; Operating personal receives information through this receiving terminal; Learn that first metal detector has detected metal object on first load-transfer device, therefore can handle at once metal object according to the information that receiving end receives.After operating personal had been got rid of detected metal object, first metal detector restarted to detect, and the control system of first load-transfer device is controlled first load-transfer device and started the continuation convey materials.
Second metal detector is positioned near the tail end of first load-transfer device; It is as the defence line, second road of load-transfer device metallic door access control system; Mainly bear the follow-up metal object of detection by the first metal detector omission, for the operation that makes second load-transfer device keeps continuity, preferably the detectivity of second metal detector is set to large-scale metal piece; Little metal piece is released, and promptly its sensitivity is lower than first metal detector.Because second metal detector is near the tail end of first load-transfer device; And the braking of first load-transfer device needs several meters stroke; The follow-up metal object can fall on second load-transfer device like this; So after second metal detector detected the follow-up metal object, second metal detector was sent to total control case with detection signal, always controls that case is controlled first load-transfer device and second load-transfer device is shut down at once.Total simultaneously control case sends scaling instruction to second scaler, requires second scaler that the residing position of metal object is calibrated, and passes rate-aided signal back total control case.Simultaneously; Total control case also will be carried out signal and be sent to receiving terminal through instruction sending module; Operating personal receives information through this receiving terminal; Learn the follow-up metal object that the first metal detector omission is arranged on second load-transfer device, therefore can handle at once the follow-up metal object according to the information that receiving end receives.Because first load-transfer device and second load-transfer device receive shutdown signal simultaneously and shut down, so needn't worry the first load-transfer device discharging chute mouth problem of buildup can take place.After operating personal had been got rid of detected follow-up metal object, second metal detector was replied normal testing state again, and then made the control system of first load-transfer device and second load-transfer device control first load-transfer device respectively and second load-transfer device restarts.
The present invention is through adopting technique scheme, make its can detect existing metal detector detect less than the follow-up metal object of omission, avoid taking place the accident of conveyer band discerption simultaneously, its signal transmission is accurately fast, can be handling strong.
Description of drawings
Fig. 1 is the working state schematic representation of existing load-transfer device metal detector.
Fig. 2 is the constructional drawing of load-transfer device metallic door access control system of the present invention.
Fig. 3 is the control flow chart of load-transfer device metallic door access control system of the present invention.
The specific embodiment
As shown in Figure 2; The described load-transfer device metallic door of present technique scheme access control system is connected with load-transfer device; This load-transfer device gate control system is used for the ship unloaders belt system in the present embodiment; The ship unloaders belt system comprises load-transfer device 17 and floor conveyer 8 in the machine, and material C is dropped down onto on the floor conveyer 8 by load-transfer device 17 in hopper 7 slaves through load-transfer device 17 in the feeder hopper 1 entering machine again.Feeder hopper 1 is positioned at the head end of machine load-transfer device 17, and blanking chute 7 is positioned at the tail end of machine load-transfer device 17.Be mixed with metal object 12 and follow-up metal object 14 among the material C.
Load-transfer device metallic door access control system comprises: always control case 3, it is connected with the control system of floor conveyer 8 with the control system of load-transfer device 17 in the machine respectively and is connected.First metal detection 13 is located in the machine on the load-transfer device 17, near the position of feeder hopper 1, first metal detection 13 is connected with the first detection head control box 2, the first detection head control box 2 with always control case 3 and be connected.Second metal detection 11 is located in the machine on the load-transfer device 17, near the position of blanking chute 7, second metal detection 11 is connected with the second detection head control box 4, the second detection head control box 4 with always control case 3 and be connected.The first calibration probe 16 is located in the machine on the load-transfer device 17, and the first calibration probe 16 is connected with the first scaler control box 15, the first scaler control box 15 with always control case 3 and be connected.The second calibration probe 9 is located on the floor conveyer 8, and the second calibration probe 9 is connected with the second scaler control box 10, the second scaler control box 10 with always control case 3 and be connected.The multi-functional digital transmission module 5 of one JB35G can be realized the remote control of GSM note, SMS alarm and note transmission; It is connected with total control case 3; And with personal communications terminal 6 wireless connections, its signal that will be received from total control case 3 sends to personal communications terminal 6 through the form of note.In addition, the first detection head control box 2 also can be connected with a combined aural and visual alarm respectively with the second detection head control box 4.This combined aural and visual alarm also can be connected with total control case, and when total control case received the detection signal from first metal detector or second metal detector, just the guide sound light crossing-signal was made actuation of an alarm.
As shown in Figure 3; First metal detector is mainly born the testing from all metal objects in the material on the ship; During through first metal detector, first metal detector sends shutdown signal (being detection signal) immediately, and it is transferred to total control case as metal object.The control signal of total control case is divided into four the tunnel: the first via is delivered to load-transfer device control system in the machine, is the interior load-transfer device shutdown of controlling machine at once of this control system; The second the road delivers to the multi-functional digital transmission module of JB35G, is sent to pre-set personal communications terminal through information, notifies the related personnel to have metal object to detect, and equipment is shut down; Third Road is delivered to first scaler; Because the locating point of the shutdown when metal object is passed through metal detector under different belt feeder speed is different; First scaler is according to difference material kind situation; To demarcate through the position of the metal objects of first metal detector; And deliver to total control case and show particular location, operating personal just just can go on the interior load-transfer device of machine accordingly that the place claws metal object as long as observe the distance that shows on total control case display screen like this, has alleviated the working strength of operating personal widely.The metal object accuracy of positioning of first scaler is in ± 50mm scope, and after operating personal had been got rid of metal object, the reset switch of pressing on the first detection head control box can make first metal detector reply normal detected state again; In order to ensure safety, the four road signal is sent to the floor conveyer control system, and this road signal is only as alerting signal, and the floor conveyer control system is not shut down according to this signal control floor conveyer.
Second metal detector is the last line of defense of ship unloaders metal detection; The main follow-up metal object that detects by the first metal detector omission; For the operation that makes floor conveyer keeps certain continuity; The detectivity of second metal detector is set to large-scale metal piece, and little metal piece is released.After second metal detector detects the follow-up metal object; It transfers to total control case with shutdown signal (being detection signal); Total control case sends five road signals respectively: the first via and the second tunnel is delivered to load-transfer device control system and floor conveyer control system in the machine respectively, and load-transfer device and floor conveyer are shut down at once in the controlling machine; Third Road is delivered to the multi-functional digital transmission module of JB35G, is sent to pre-set personal communications terminal through information, notifies the related personnel to have metal object to detect, and equipment is shut down; The four the road delivers to second scaler; To demarcate through the position of the follow-up metal object of second metal detector; And deliver to total control case and show particular location, operating personal just just can go on the floor conveyer accordingly that the place claws the follow-up metal object as long as observe the distance that shows on total control case display screen like this; The five the road delivers to and total control case bonded assembly acoustic-optic alarm.Operating personal will follow up after metal object disposes, and the reset switch of pressing on the first detection head control box can make second metal detector reply normal detected state again, presses the reset switch of acoustic-optic alarm simultaneously, makes it stop to report to the police.In order to ensure safety, after second metal detector is returned to detected state, just can restart load-transfer device in floor conveyer and the machine.
Be noted that above enumerate be merely specific embodiment of the present invention, obviously the invention is not restricted to above embodiment, many similar variations are arranged thereupon.If those skilled in the art all should belong to protection scope of the present invention from all distortion that content disclosed by the invention directly derives or associates.
Claims (9)
1. load-transfer device metallic door access control system; It is connected with one second load-transfer device with one first load-transfer device, and said first load-transfer device has a head end and a tail end, be transferred material earlier, after through said first load-transfer device and second load-transfer device; It is characterized in that said load-transfer device metallic door access control system comprises:
One total control case, its control system with first load-transfer device is connected, and also the control system with second load-transfer device is connected, and the control system of said first load-transfer device and second load-transfer device is controlled the startup and the shutdown of first load-transfer device and second load-transfer device respectively;
One first metal detector, it is located near the head end of said first load-transfer device, and said first metal detector is connected with said total control case, and said first metal detector transfers to total control case with detection signal;
One first scaler, it is located on said first load-transfer device, and said first scaler is connected with said total control case, and also will calibrate the result is sent to total control case to the scaling instruction that the total control of reception case sends;
One instruction sending module, it is connected with a said total control case and a receiving end respectively, and said instruction sending module receives the execution command that total control case sends, and this execution command is sent to receiving end;
One second metal detector, it is located near the tail end of said first load-transfer device, and said second metal detector is connected with said total control case, and said second metal detector transfers to total control case with detection signal;
One second scaler, it is located on said second load-transfer device, and said second scaler is connected with said total control case, and also will calibrate the result is sent to total control case to the scaling instruction that the total control of reception case sends.
2. load-transfer device metallic door access control system as claimed in claim 1 is characterized in that, said receiving end and said instruction sending module wireless connections.
3. load-transfer device metallic door access control system as claimed in claim 2 is characterized in that said instruction sending module is a digital transmission module, and said receiving end is a personal communications terminal.
4. load-transfer device metallic door access control system as claimed in claim 1 is characterized in that the detection sensitivity of said second metal detector is lower than first metal detector.
5. load-transfer device metallic door access control system as claimed in claim 1 is characterized in that, said first metal detector comprises one first detection head and the one and first detection head bonded assembly, the first detection head control box; Said second metal detector comprises one second detection head and the one and second detection head bonded assembly, the second detection head control box; Said first scaler comprises one first calibration probe and the one and first calibration probe bonded assembly, the first scaler control box; Said second scaler comprises one second calibration probe and the one and second calibration probe bonded assembly, the second scaler control box.
6. load-transfer device metallic door access control system as claimed in claim 1 is characterized in that said first metal detector also is connected with a warning device.
7. load-transfer device metallic door access control system as claimed in claim 6 is characterized in that said second metal detector also is connected with another warning device.
8. load-transfer device metallic door access control system as claimed in claim 7 is characterized in that said warning device is acoustic-optic alarm.
9. load-transfer device metallic door access control system as claimed in claim 1 is characterized in that, said total control case also is connected with a warning device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011100636899A CN102673981A (en) | 2011-03-16 | 2011-03-16 | Conveyor belt metal access control system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011100636899A CN102673981A (en) | 2011-03-16 | 2011-03-16 | Conveyor belt metal access control system |
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| CN102673981A true CN102673981A (en) | 2012-09-19 |
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| CN2011100636899A Pending CN102673981A (en) | 2011-03-16 | 2011-03-16 | Conveyor belt metal access control system |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109516090A (en) * | 2018-12-10 | 2019-03-26 | 东北农业大学 | A kind of removable intelligent recognition conveyer of multipurpose |
| CN112919003A (en) * | 2021-02-03 | 2021-06-08 | 江苏海洋大学 | Copper pipe detects and conveyor based on photoelectric sensing |
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| CN112919003A (en) * | 2021-02-03 | 2021-06-08 | 江苏海洋大学 | Copper pipe detects and conveyor based on photoelectric sensing |
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Application publication date: 20120919 |