CN202897451U - Protective device for belt conveyor - Google Patents
Protective device for belt conveyor Download PDFInfo
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- CN202897451U CN202897451U CN 201220578046 CN201220578046U CN202897451U CN 202897451 U CN202897451 U CN 202897451U CN 201220578046 CN201220578046 CN 201220578046 CN 201220578046 U CN201220578046 U CN 201220578046U CN 202897451 U CN202897451 U CN 202897451U
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Abstract
The utility model discloses a protective device for a belt conveyor. The protective device comprises a first sensor group, a second sensor group, a sensor interface circuit, a key input control circuit, a driving control circuit, a singlechip control module, a display circuit and a voice alarm circuit. By the protective device, when the failure of the belt conveyor occurs, alarming can be performed automatically and timely, and emergency treatment is realized; and the protective device is stable in performance and low in cost.
Description
Technical field
The utility model relates to a kind of belt conveyer for coal mine, relates in particular to a kind of protector for belt conveyer.
Background technology
Belt conveyer (being also referred to as belt feeder) is the in a continuous manner machinery of transported material of a kind of friction-driven.Mainly formed by frame, belt conveyor, belt/roller, tightening device, driving device etc.It can with material on certain travel line, put the conveying flow process that forms a kind of material between final emptying point from initial feed.Except carrying out pure mass transport, can also match with the requirement of technological process in each industrial enterprise's production procedure, form rhythmical Detroit automation lane of traffic.Therefore, belt conveyer can be used for horizontal transport or the transportation of tilting, and is very easy to use, be widely used at present in the modern various industrial enterprise, as: the underworkings in mine, grass transport systems, field of opencast mining and ore dressing plant etc.
Because a variety of causes, belt conveyer the faults such as tearing tape, sideslip may occur in use, therefore, causes larger impact for avoiding fault to normal production, how can be when belt conveyer breaks down can and alarm and carry out emergency handling, be the technical matters that needs to be resolved hurrily at present.
The utility model content
The purpose of this utility model be to provide a kind of can be when belt conveyer breaks down can and alarm and the protector for belt conveyer that carries out emergency handling.
For achieving the above object, the utility model provides a kind of protector for belt conveyer, comprising:
The first sensor group, it comprises coal piling sensor, Smoke Sensor, tearing tape sensor, misalignment sensor, anxious stop sensor, start-stop sensor and the sensor that skids, respectively corresponding belt for detection of belt conveyer coal piling, smog, tearing tape, sideslip whether occur, suddenly stop, start-stop and sipping fault, and export corresponding the first detection signal;
The second sensor group, it comprises that tension pick-up, tachogen and several are installed on respectively the temperature sensor of the diverse location on the described belt, whether correspondence tension force, rotating speed and overtemperature fault occur for detection of described belt respectively, and exports corresponding the second detection signal;
The key-press input control circuit is used for input parameters and control command;
Drive and Control Circuit is used for when receiving described parameters and control command, and its conversion is suitable for signal and the output that treater is processed; When receiving the first detection signal of described first sensor group output by sensor interface circuitry, convert thereof into the signal and the output that are suitable for the treater processing;
Single chip control module is used for when receiving described parameters and control command, carries out corresponding setting parameter and control output; When receiving described the first detection signal and described the second detection signal, generate accordingly corresponding status data signal, alerting signal and control signal, and described status signal and described alerting signal be sent to described Drive and Control Circuit, simultaneously described alerting signal is sent to voice alarm circuit, and described control signal is sent to corresponding control object;
Display circuit is used for converting described status data signal to the status data output display under the driving of described Drive and Control Circuit, and according to described alerting signal output visual alarm;
Voice alarm circuit is used for according to described alerting signal output audio alert signal.
The utility model has been by having constituted in order a protector for belt conveyer with first sensor group, the second sensor group, sensor interface circuitry, key-press input control circuit, Drive and Control Circuit, single chip control module, display circuit and voice alarm circuit, thereby realized when belt conveyer breaks down in time automatic alarm and carried out emergency handling.And this equipment performance is stable, cost is lower.
Description of drawings
Fig. 1 is the circuit structure block diagram of protector for belt conveyer of the present utility model;
Fig. 2 is display circuit and Drive and Control Circuit schematic circuit diagram partly in the protector for belt conveyer of the present utility model;
Fig. 3 is the schematic circuit diagram of sensor interface circuitry part in the protector for belt conveyer of the present utility model;
Fig. 4 is the schematic circuit diagram of key-press input control circuit part in the protector for belt conveyer of the present utility model;
Fig. 5 is the schematic circuit diagram of voice alarm circuit part in the protector for belt conveyer of the present utility model;
Fig. 6 is the schematic circuit diagram of single chip control module part in the protector for belt conveyer of the present utility model.
The specific embodiment
Below in conjunction with accompanying drawing the specific embodiment of the present utility model is described in detail:
With reference to shown in Figure 1, the protector for belt conveyer of present embodiment comprises first sensor group, the second sensor group, sensor interface circuitry, key-press input control circuit, Drive and Control Circuit, single chip control module, display circuit and voice alarm circuit.Wherein, the first sensor group comprises coal piling sensor, Smoke Sensor, tearing tape sensor, misalignment sensor, anxious stop sensor, start-stop sensor and the sensor that skids, they respectively corresponding belt for detection of belt conveyer coal piling, smog, tearing tape, sideslip whether occur, suddenly stop, start-stop and sipping fault, and export corresponding the first detection signal.The second sensor group comprises tension pick-up, tachogen and three temperature sensors that are installed on respectively the diverse location on the belt, whether they are corresponding respectively tension force, rotating speed and overtemperature fault occur for detection of belt, and exports corresponding the second detection signal.The key-press input control circuit is used for input parameters and control command.Drive and Control Circuit is used for when receiving parameters and control command, and its conversion is suitable for signal and the output that treater is processed; When receiving the first detection signal of first sensor group output by sensor interface circuitry, convert thereof into the signal and the output that are suitable for the treater processing.Single chip control module is used for when receiving parameters and control command, carries out corresponding setting parameter and control output; When receiving the first detection signal and the second detection signal, generate accordingly corresponding status data signal, alerting signal and control signal, and status signal and alerting signal be sent to Drive and Control Circuit, simultaneously alerting signal is sent to voice alarm circuit, and control signal is sent to corresponding control object.Display circuit is used for converting the status data signal to the status data output display under the driving of Drive and Control Circuit, and according to alerting signal output visual alarm.Voice alarm circuit is used for according to alerting signal output audio alert signal.
In conjunction with shown in Figure 6, single chip control module comprises that model is the micro controller system of P89LPC936FDH and the coupled terminal control circuit that is used for the selection of multichannel belt control.Terminal control circuit comprises that model is bus transceiver, resistance R 48, resistance R 49, resistance R 35, resistance R 37, resistance R 50, relay, capacitor C 40, diode D8, diode D9 and the aerotron Q1 of PCA82C250.The 1st pin of bus transceiver and the 4th pin are corresponding to resistance R 48, resistance R 49 links to each other with the 17th pin is corresponding with the 18th pin of micro controller system, one termination 5V of the 3rd pin of bus transceiver and capacitor C 40, the other end ground connection of capacitor C 40, the 8th pin of bus transceiver is by resistance R 35 ground connection, bus transceiver the 6th with two contact corresponding link to each other of the 7th pin with relay one end, link to each other by resistance R 50 between two contacts of the relay other end, one end of the coil of relay, the output termination 12V of the mouth of diode D8 and diode D9, the other end of the coil of relay, the input end of the input end of diode D8 and diode D9 links to each other with the collecting electrode of aerotron Q1, the grounded emitter of aerotron Q1, the base stage of aerotron Q1 links to each other with the 26th pin of micro controller system by resistance R 37.Wherein, relay, diode D8 and diode D9 are provided with the epoxy encapsulation layer outward.
In conjunction with shown in Figure 2, Drive and Control Circuit comprises driving chip, resistance R 1, resistance R 2, resistance R 3, resistance R 6, capacitor C 1, capacitor C 10, capacitor C 4 and the capacitor C 11 that two models are TM1629D.Each drives the 3rd, the 6th and the 30th pin ground connection of chip, the first the 7th, the 8th and the 9th pin correspondence that drives chip meets 5V by resistance R 1, resistance R 2 and resistance R 3, the first the 14th pin, an end of capacitor C 1 and positive pole of capacitor C 10 that drives chip meets 5V, the negative earth of the other end of capacitor C 1 and capacitor C 10, first drives the 7th, the 8th of chip links to each other with the 5th pin is corresponding with the 28th, the 27th of the 9th pin and micro controller system; Second drives chip the 9th pin meets 5V by resistance R 6, and the second the 14th pin, an end of capacitor C 4 and positive pole of capacitor C 11 that drives chip meets 5V, the negative earth of the other end of capacitor C 4 and capacitor C 11.
In conjunction with shown in Figure 3, sensor interface circuitry comprises first sensor interface circuit and the second sensor interface circuitry.Wherein:
The first sensor interface circuit comprises resistance R 9, resistance R 10, resistance R 11, resistance R 12, resistance R 13, resistance R 14, resistance R 15, resistance R 16 and eight optocouplers that model is TLP521-1; The 1st pin of eight optocouplers is corresponding to resistance R 9, resistance R 10, resistance R 11, resistance R 12, resistance R 13, resistance R 14, resistance R 15, resistance R 16 meets 12V, wherein the 2nd pin of seven optocouplers and coal piling sensor, Smoke Sensor, the tearing tape sensor, misalignment sensor, anxious stop sensor, the mouth of start-stop sensor and the sensor that skids is corresponding to link to each other, four the 3rd pin in eight optocouplers all links to each other with the second the 10th pin that drives chip, the 3rd other four pin in eight optocouplers all links to each other with the second the 11st pin that drives chip, four the 4th pin in eight optocouplers and second drives the 15th of chip, the 16th, the 17th links to each other with the 18th pin is corresponding, the 15th of the 4th other four pin in eight optocouplers and the second driving chip, the 16th, the 17th links to each other with the 18th pin is corresponding.
The second sensor interface circuitry comprises that model is 4051 multi channel selecting chip, capacitor C 5, resistance R 18, resistance R 19, resistance R 23, resistance R 24, resistance R 25, resistance R 26, resistance R 31, resistance R 32, resistance R 33, resistance R 34, zener diode D1, zener diode D2, zener diode D3, zener diode D4 and zener diode D5.The 6th of multi channel selecting chip, the 7th, the the 8th and the 9th pin ground connection, the 16th pin of multi channel selecting chip meets 3.3V, connect capacitor C 5 between the 16th and the 8th pin of multi channel selecting chip, the 3rd of multi channel selecting chip, the 10th of the 10th and the 11st pin and micro controller system, the 9th links to each other with the 8th pin is corresponding, one end of resistance R 18 and the mouth of zener diode D1 link to each other with the 15th pin of multi channel selecting chip, the equal ground connection of one end of the input end of zener diode D1 and resistance R 26, the other end of the other end of resistance R 18 and resistance R 26 links to each other with the mouth of the first temperature sensor, one end of resistance R 19 and the mouth of zener diode D2 link to each other with the 14th pin of multi channel selecting chip, the equal ground connection of one end of the input end of zener diode D2 and resistance R 31, the other end of the other end of resistance R 19 and resistance R 31 links to each other with the mouth of the second temperature sensor, one end of resistance R 23 and the mouth of zener diode D3 link to each other with the 13rd pin of multi channel selecting chip, the equal ground connection of one end of the input end of zener diode D3 and resistance R 32, the other end of the other end of resistance R 23 and resistance R 32 links to each other with the mouth of three-temperature sensor, one end of resistance R 24 and the mouth of zener diode D4 link to each other with the 11st pin of micro controller system, the equal ground connection of one end of the input end of zener diode D4 and resistance R 33, the other end of the other end of resistance R 24 and resistance R 33 links to each other with the mouth of tachogen, one end of resistance R 25 and the mouth of zener diode D5 link to each other with the 12nd pin of micro controller system, the equal ground connection of one end of the input end of zener diode D5 and resistance R 34, the other end of the other end of resistance R 25 and resistance R 34 links to each other with the mouth of tension pick-up.
In conjunction with shown in Figure 2, display circuit comprises rotating speed display unit, temperature display unit, tension display unit, mode of operation indicating member, indicating fault unit and running state indicating member again.Wherein:
The rotating speed display unit is by the first charactron DPY1, the second charactron DPY2 and the 3rd charactron DPY3 consist of three rotating speeds and show, the first charactron DPY1 the 1st～10 pin and first drives the 23rd of chip, the 22nd, the 5th, the 21st, the 26th, the 20th, the 19th, the 5th, the 24th links to each other with the 25th pin is corresponding, the second charactron DPY2 the 1st～10 pin and first drives the 23rd of chip, the 22nd, the 4th, the 21st, the 26th, the 20th, the 19th, the 4th, the 24th links to each other the 23rd of the 3rd charactron DPY3 the 1st～10 pin and the first driving chip with the 25th pin is corresponding, the 22nd, the 2nd, the 21st, the 26th, the 20th, the 19th, the 2nd, the 24th links to each other with the 25th pin is corresponding.
Temperature display unit is by the 4th charactron DPY4, the 5th charactron DPY5, the 6th charactron DPY6 and the 7th charactron DPY7 consist of four megadyne temperature degree and show, the 4th charactron DPY4 the 1st～10 pin and first drives the 23rd of chip, the 22nd, the 1st, the 21st, the 26th, the 20th, the 19th, the 1st, the 24th links to each other with the 25th pin is corresponding, the 5th charactron DPY5 the 1st～10 pin and first drives the 23rd of chip, the 22nd, the 32nd, the 21st, the 26th, the 20th, the 19th, the 32nd, the 24th links to each other with the 25th pin is corresponding, the 6th charactron DPY6 the 1st～10 pin and first drives the 23rd of chip, the 22nd, the 31st, the 21st, the 26th, the 20th, the 19th, the 31st, the 24th links to each other the 23rd of the 7th charactron DPY7 the 1st～10 pin and the first driving chip with the 25th pin is corresponding, the 22nd, the 29th, the 21st, the 26th, the 20th, the 19th, the 29th, the 24th links to each other with the 25th pin is corresponding.
Tension display unit is by the 8th charactron DPY8, the 9th charactron DPY9 and ten code pipe DPY10 consist of three tension force and show, the 8th charactron DPY8 the 1st～10 pin and second drives the 23rd of chip, the 22nd, the 5th, the 21st, the 26th, the 20th, the 19th, the 5th, the 24th links to each other with the 25th pin is corresponding, the 9th charactron DPY9 the 1st～10 pin and second drives the 23rd of chip, the 22nd, the 4th, the 21st, the 26th, the 20th, the 19th, the 4th, the 24th links to each other the 23rd of ten code pipe DPY10 the 1st～10 pin and the second driving chip with the 25th pin is corresponding, the 22nd, the 2nd, the 21st, the 26th, the 20th, the 19th, the 2nd, the 24th links to each other with the 25th pin is corresponding.
The mode of operation indicating member comprises eight LEDs 1, LED2, LED3, LED4, LED5, LED6, LED7 and LED8, the input end of these eight light-emitting diodes and second drives corresponding the linking to each other of the 19th～26 pin of chip, the mouth of these eight light-emitting diodes links to each other with the second the 1st pin that drives chip, whether be used to indicate eight belt conveyers starts, when belt conveyer started operation, corresponding light-emitting diode will be lighted.
Unit, indicating fault unit comprises eight LEDs 9, LED10, LED11, LED12, LED13, LED14, LED15 and LED16, the input end of these eight light-emitting diodes and second drives corresponding the linking to each other of the 19th～26 pin of chip, the mouth of these eight light-emitting diodes links to each other with the second the 32nd pin that drives chip, be used for indicating respectively that coal piling, overtemperature suddenly stop, tearing tape, skid, sideslip, smog and tension force fault, when fault was arranged, corresponding light-emitting diode will send visual alarm.
The running state indicating member comprises seven LEDs 17, LED18, LED19, LED20, LED21, LED22 and LED23, the input end of these seven light-emitting diodes and second drives corresponding the linking to each other of the 19th～25 pin of chip, the mouth of these seven light-emitting diodes links to each other with the second the 31st pin that drives chip, is used for indicating respectively running, mode, power supply, the tension force upper limit, tension force lower limit, the tension force upper limit limit, the tension force lower limit limit.
In conjunction with shown in Figure 5, voice alarm circuit comprises speech processing circuit, microphone input circuit, preamplifying circuit and power amplifier.Wherein:
Speech processing circuit is used for receiving the alerting signal of single chip control module output, alerting signal is processed into corresponding audio alert signal output, it comprises that model is speech chip and the peripheral circuit thereof of ISD4002-120P, and the 1st, the 2nd, the 3rd, the 25th of speech chip links to each other with the 16th pin is corresponding with the 25th with the 15th, the 13rd, the 14th of the 28th pin and micro controller system.
Microphone input circuit comprises that model is the adjustable stabilivolt of three ends of TL431, microphone, capacitor C 21, capacitor C 31, resistance R 27 and resistance R 38, the the 1st and the 3rd pin of the adjustable stabilivolt of three ends meets 9V by resistance R 38, the 2nd pin ground connection of the adjustable stabilivolt of three ends, one termination 9V other end ground connection of capacitor C 21, the 1st of the adjustable stabilivolt of three ends links to each other with an end of resistance R 27 with the 3rd pin, the ground terminal ground connection of microphone, the other end of the mouth of microphone and resistance R 27 links to each other with an end of capacitor C 31, and the other end of capacitor C 31 is as the mouth of microphone input circuit.
Preamplifying circuit is used for the voice signal of the output of the audio alert signal of speech processing circuit output and microphone input circuit is amplified, it is that op amp and the peripheral circuit thereof of NE5534A consists of by model, the in the same way input end of op amp is successively by capacitor C 29, resistance R 21 links to each other with the 13rd pin of speech chip with capacitor C 18, the in the same way input end of op amp links to each other with the mouth of microphone input circuit with resistance R 30 by capacitor C 29 successively, the mouth of op amp links to each other by the input end of other seven the power amplifiers in capacitor C 3 and eight belt conveyers, thereby realization is by the speech communication between microphone and other seven belt conveyers.
Power amplifier is used for the audio alert signal after the preamplifying circuit processing is carried out power amplifier output, it comprises that model is audio-frequency power amplifier and peripheral circuit and the loud speaker of TPA3007D1, the 1st pin of audio-frequency power amplifier links to each other with the mouth of op amp with capacitor C 3 by capacitor C 46, resistance R 41 successively, the 10th of audio-frequency power amplifier links to each other with an end of loud speaker by inductance coil L1 with the 11st pin, and the 14th of audio-frequency power amplifier links to each other with the other end of loud speaker by inductance coil L2 with the 15th pin.
In conjunction with shown in Figure 4, the key-press input control circuit comprises eight toggle switch and ten button switch S1, S2, S3, S4, S5, S6, S7, S8, S9, S10, wherein:
Eight toggle switch are used for realizing the coding of eight belt conveyers, eight toggle switch the 1st～4 pins link to each other with the second the 12nd pin that drives chip, eight toggle switch the 5th～8 pins link to each other with the second the 13rd pin that drives chip, eight toggle switch the 9th～12 pins are corresponding continuous with the 18th～15 pin of the second driving chip, and eight toggle switch the 13rd～16 pins are corresponding continuous with the 18th～15 pin of the second driving chip.
In ten button switches, the end of four button switch S1～S4 all links to each other with the first the 10th pin that drives chip, the other end of four button switch S1～S4 links to each other with the first the 15th～18 pin that drives chip, four button switch S1～S4 are respectively to being applied to realize opening car, stop, collection control/manually control with anxious stopping, the end of four button switch S5～S8 all links to each other with the first the 11st pin that drives chip, the other end of four button switch S5～S8 links to each other with the first the 15th～18 pin that drives chip, four button switch S5～S8 are other to be realized getting ready to being applied to, arrange, the increase that arranges and arrange in the minimizing function, two button switch S9 all link to each other with the first the 12nd pin that drives chip with S10 one end, two button switch S9 and the S10 other end and first drive the 15th of chip and link to each other with the 16th pin is corresponding, the affirmation during two button switch S9 and S10 are respectively applied to realize arranging and the gating function of temperature channel.
Above embodiment is described preferred implementation of the present utility model; be not that scope of the present utility model is limited; under the prerequisite that does not break away from the utility model design spirit; various distortion and improvement that the common engineering staff in this area make the technical solution of the utility model all should fall in the definite protection domain of claims of the present utility model.
Claims (8)
1. a protector for belt conveyer is characterized in that, comprising:
The first sensor group, it comprises coal piling sensor, Smoke Sensor, tearing tape sensor, misalignment sensor, anxious stop sensor, start-stop sensor and the sensor that skids, respectively corresponding belt for detection of belt conveyer coal piling, smog, tearing tape, sideslip whether occur, suddenly stop, start-stop and sipping fault, and export corresponding the first detection signal;
The second sensor group, it comprises that tension pick-up, tachogen and several are installed on respectively the temperature sensor of the diverse location on the described belt, whether correspondence tension force, rotating speed and overtemperature fault occur for detection of described belt respectively, and exports corresponding the second detection signal;
The key-press input control circuit is used for input parameters and control command;
Drive and Control Circuit is used for when receiving described parameters and control command, and its conversion is suitable for signal and the output that treater is processed; When receiving the first detection signal of described first sensor group output by sensor interface circuitry, convert thereof into the signal and the output that are suitable for the treater processing;
Single chip control module is used for when receiving described parameters and control command, carries out corresponding setting parameter and control output; When receiving described the first detection signal and described the second detection signal, generate accordingly corresponding status data signal, alerting signal and control signal, and described status signal and described alerting signal be sent to described Drive and Control Circuit, simultaneously described alerting signal is sent to voice alarm circuit, and described control signal is sent to corresponding control object;
Display circuit is used for converting described status data signal to the status data output display under the driving of described Drive and Control Circuit, and according to described alerting signal output visual alarm;
Voice alarm circuit is used for according to described alerting signal output audio alert signal.
2. protector for belt conveyer according to claim 1, it is characterized in that, described single chip control module comprises that model is the micro controller system of P89LPC936FDH and the coupled terminal control circuit that is used for the selection of multichannel belt control, and described terminal control circuit comprises that model is bus transceiver, resistance R 48, resistance R 49, resistance R 35, resistance R 37, resistance R 50, relay, capacitor C 40, diode D8, diode D9 and the aerotron Q1 of PCA82C250; The 1st pin of described bus transceiver and the 4th pin are corresponding to resistance R 48, resistance R 49 links to each other with the 17th pin is corresponding with the 18th pin of described micro controller system, one termination 5V of the 3rd pin of described bus transceiver and capacitor C 40, the other end ground connection of capacitor C 40, the 8th pin of described bus transceiver is by resistance R 35 ground connection, described bus transceiver the 6th with two contact corresponding link to each other of the 7th pin with described relay one end, link to each other by resistance R 50 between two contacts of the described relay other end, one end of the coil of described relay, the output termination 12V of the mouth of diode D8 and diode D9, the other end of the coil of described relay, the input end of the input end of diode D8 and diode D9 links to each other with the collecting electrode of aerotron Q1, the grounded emitter of aerotron Q1, the base stage of aerotron Q1 links to each other with the 26th pin of described micro controller system by resistance R 37.
3. protector for belt conveyer according to claim 2, it is characterized in that described Drive and Control Circuit comprises driving chip, resistance R 1, resistance R 2, resistance R 3, resistance R 6, capacitor C 1, capacitor C 10, capacitor C 4 and the capacitor C 11 that two models are TM1629D; The the 3rd, the 6th and the 30th pin ground connection of each described driving chip, the first the 7th, the 8th and the 9th pin correspondence that drives chip meets 5V by resistance R 1, resistance R 2 and resistance R 3, the described first the 14th pin, an end of capacitor C 1 and positive pole of capacitor C 10 that drives chip meets 5V, the negative earth of the other end of capacitor C 1 and capacitor C 10, described first drives the 7th, the 8th of chip links to each other with the 5th pin is corresponding with the 28th, the 27th of the 9th pin and described micro controller system; Second drives chip the 9th pin meets 5V by resistance R 6, and the described second the 14th pin, an end of capacitor C 4 and positive pole of capacitor C 11 that drives chip meets 5V, the negative earth of the other end of capacitor C 4 and capacitor C 11.
4. protector for belt conveyer according to claim 3 is characterized in that, described sensor interface circuitry comprises first sensor interface circuit and the second sensor interface circuitry, wherein:
Described first sensor interface circuit comprises resistance R 9, resistance R 10, resistance R 11, resistance R 12, resistance R 13, resistance R 14, resistance R 15, resistance R 16 and eight optocouplers that model is TLP521-1; The 1st pin of eight described optocouplers is corresponding to resistance R 9, resistance R 10, resistance R 11, resistance R 12, resistance R 13, resistance R 14, resistance R 15, resistance R 16 meets 12V, wherein the 2nd pin of seven described optocouplers and described coal piling sensor, described Smoke Sensor, described tearing tape sensor, described misalignment sensor, described anxious stop sensor, the mouth of described start-stop sensor and the described sensor that skids is corresponding to link to each other, four the 3rd pin in eight described optocouplers all links to each other with the described second the 10th pin that drives chip, the 3rd other four pin in eight described optocouplers all links to each other with the described second the 11st pin that drives chip, four the 4th pin in eight described optocouplers and described second drives the 15th of chip, the 16th, the 17th links to each other with the 18th pin is corresponding, the 15th of the 4th other four pin in eight described optocouplers and described the second driving chip, the 16th, the 17th links to each other with the 18th pin is corresponding;
Described the second sensor interface circuitry comprises that model is 4051 multi channel selecting chip, capacitor C 5, resistance R 18, resistance R 19, resistance R 23, resistance R 24, resistance R 25, resistance R 26, resistance R 31, resistance R 32, resistance R 33, resistance R 34, zener diode D1, zener diode D2, zener diode D3, zener diode D4 and zener diode D5; The 6th of described multi channel selecting chip, the 7th, the the 8th and the 9th pin ground connection, the 16th pin of described multi channel selecting chip meets 3.3V, connect capacitor C 5 between the 16th and the 8th pin of described multi channel selecting chip, the 3rd of described multi channel selecting chip, the 10th of the 10th and the 11st pin and described micro controller system, the 9th links to each other with the 8th pin is corresponding, one end of resistance R 18 and the mouth of zener diode D1 link to each other with the 15th pin of described multi channel selecting chip, the equal ground connection of one end of the input end of zener diode D1 and resistance R 26, the other end of the other end of resistance R 18 and resistance R 26 links to each other with the mouth of the first temperature sensor, one end of resistance R 19 and the mouth of zener diode D2 link to each other with the 14th pin of described multi channel selecting chip, the equal ground connection of one end of the input end of zener diode D2 and resistance R 31, the other end of the other end of resistance R 19 and resistance R 31 links to each other with the mouth of the second temperature sensor, one end of resistance R 23 and the mouth of zener diode D3 link to each other with the 13rd pin of described multi channel selecting chip, the equal ground connection of one end of the input end of zener diode D3 and resistance R 32, the other end of the other end of resistance R 23 and resistance R 32 links to each other with the mouth of three-temperature sensor, one end of resistance R 24 and the mouth of zener diode D4 link to each other with the 11st pin of described micro controller system, the equal ground connection of one end of the input end of zener diode D4 and resistance R 33, the other end of the other end of resistance R 24 and resistance R 33 links to each other with the mouth of described tachogen, one end of resistance R 25 and the mouth of zener diode D5 link to each other with the 12nd pin of described micro controller system, the equal ground connection of one end of the input end of zener diode D5 and resistance R 34, the other end of the other end of resistance R 25 and resistance R 34 links to each other with the mouth of described tension pick-up.
5. protector for belt conveyer according to claim 4; it is characterized in that; described display circuit comprises rotating speed display unit, temperature display unit, tension display unit, mode of operation indicating member, indicating fault unit and running state indicating member, wherein:
Described rotating speed display unit is by the first charactron (DPY1), the second charactron (DPY2) and the 3rd charactron (DPY3) consist of three rotating speeds and show, described the first charactron (DPY1) the 1st～10 pin and described first drives the 23rd of chip, the 22nd, the 5th, the 21st, the 26th, the 20th, the 19th, the 5th, the 24th links to each other with the 25th pin is corresponding, described the second charactron (DPY2) the 1st～10 pin and described first drives the 23rd of chip, the 22nd, the 4th, the 21st, the 26th, the 20th, the 19th, the 4th, the 24th links to each other the 23rd of described the 3rd charactron (DPY3) the 1st～10 pin and described the first driving chip with the 25th pin is corresponding, the 22nd, the 2nd, the 21st, the 26th, the 20th, the 19th, the 2nd, the 24th links to each other with the 25th pin is corresponding;
Described temperature display unit is by the 4th charactron (DPY4), the 5th charactron (DPY5), the 6th charactron (DPY6) and the 7th charactron (DPY7) consist of four megadyne temperature degree and show, described the 4th charactron (DPY4) the 1st～10 pin and described first drives the 23rd of chip, the 22nd, the 1st, the 21st, the 26th, the 20th, the 19th, the 1st, the 24th links to each other with the 25th pin is corresponding, described the 5th charactron (DPY5) the 1st～10 pin and described first drives the 23rd of chip, the 22nd, the 32nd, the 21st, the 26th, the 20th, the 19th, the 32nd, the 24th links to each other with the 25th pin is corresponding, described the 6th charactron (DPY6) the 1st～10 pin and described first drives the 23rd of chip, the 22nd, the 31st, the 21st, the 26th, the 20th, the 19th, the 31st, the 24th links to each other the 23rd of described the 7th charactron (DPY7) the 1st～10 pin and described the first driving chip with the 25th pin is corresponding, the 22nd, the 29th, the 21st, the 26th, the 20th, the 19th, the 29th, the 24th links to each other with the 25th pin is corresponding;
Described tension display unit is by the 8th charactron (DPY8), the 9th charactron (DPY9) and ten code pipe (DPY10) consist of three tension force and show, described the 8th charactron (DPY8) the 1st～10 pin and described second drives the 23rd of chip, the 22nd, the 5th, the 21st, the 26th, the 20th, the 19th, the 5th, the 24th links to each other with the 25th pin is corresponding, described the 9th charactron (DPY9) the 1st～10 pin and described second drives the 23rd of chip, the 22nd, the 4th, the 21st, the 26th, the 20th, the 19th, the 4th, the 24th links to each other the 23rd of described ten code pipe (DPY10) the 1st～10 pin and described the second driving chip with the 25th pin is corresponding, the 22nd, the 2nd, the 21st, the 26th, the 20th, the 19th, the 2nd, the 24th links to each other with the 25th pin is corresponding;
Described mode of operation indicating member comprises eight LEDs 1, LED2, LED3, LED4, LED5, LED6, LED7 and LED8, the input end of these eight light-emitting diodes and described second drives corresponding the linking to each other of the 19th～26 pin of chip, whether the mouth of these eight light-emitting diodes links to each other with the described second the 1st pin that drives chip, be used to indicate eight belt conveyers and start;
Unit, described indicating fault unit comprises eight LEDs 9, LED10, LED11, LED12, LED13, LED14, LED15 and LED16, the input end of these eight light-emitting diodes and described second drives corresponding the linking to each other of the 19th～26 pin of chip, the mouth of these eight light-emitting diodes links to each other with the described second the 32nd pin that drives chip, be used for indicating respectively that coal piling, overtemperature urgency are stopped, tearing tape, skid, sideslip, smog and tension force fault;
Described running state indicating member comprises seven LEDs 17, LED18, LED19, LED20, LED21, LED22 and LED23, the input end of these seven light-emitting diodes and described second drives corresponding the linking to each other of the 19th～25 pin of chip, the mouth of these seven light-emitting diodes links to each other with the described second the 31st pin that drives chip, is used for indicating respectively running, mode, power supply, the tension force upper limit, tension force lower limit, the tension force upper limit limit, the tension force lower limit limit.
6. protector for belt conveyer according to claim 5 is characterized in that, described voice alarm circuit comprises speech processing circuit, microphone input circuit, preamplifying circuit and power amplifier, wherein:
Described speech processing circuit, be used for receiving the alerting signal of described single chip control module output, described alerting signal is processed into corresponding audio alert signal output, it comprises that model is speech chip and the peripheral circuit thereof of ISD4002-120P, and the 1st, the 2nd, the 3rd, the 25th of described speech chip links to each other with the 16th pin is corresponding with the 25th with the 15th, the 13rd, the 14th of the 28th pin and described micro controller system;
Described microphone input circuit, comprise that model is the adjustable stabilivolt of three ends of TL431, microphone, capacitor C 21, capacitor C 31, resistance R 27 and resistance R 38, the the 1st and the 3rd pin of the adjustable stabilivolt of described three ends meets 9V by resistance R 38, the 2nd pin ground connection of the adjustable stabilivolt of described three ends, one termination 9V other end ground connection of capacitor C 21, the 1st of the adjustable stabilivolt of described three ends links to each other with an end of resistance R 27 with the 3rd pin, the ground terminal ground connection of microphone, the other end of the mouth of microphone and resistance R 27 links to each other with an end of capacitor C 31, and the other end of capacitor C 31 is as the mouth of described microphone input circuit;
Described preamplifying circuit, be used for the voice signal of the output of the audio alert signal of described speech processing circuit output and described microphone input circuit is amplified, it is that op amp and the peripheral circuit thereof of NE5534A consists of by model, the in the same way input end of described op amp is successively by capacitor C 29, resistance R 21 links to each other with the 13rd pin of described speech chip with capacitor C 18, the in the same way input end of described op amp links to each other with the mouth of described microphone input circuit with resistance R 30 by capacitor C 29 successively, and the input end that the mouth of described op amp passes through other seven the power amplifiers in capacitor C 3 and described eight belt conveyers links to each other;
Described power amplifier, be used for the audio alert signal after the described preamplifying circuit processing is carried out power amplifier output, it comprises that model is audio-frequency power amplifier and peripheral circuit and the loud speaker of TPA3007D1, the 1st pin of described audio-frequency power amplifier is successively by capacitor C 46, resistance R 41 links to each other with the mouth of described op amp with capacitor C 3, the 10th of described audio-frequency power amplifier links to each other with an end of loud speaker by inductance coil L1 with the 11st pin, and the 14th of described audio-frequency power amplifier links to each other with the other end of loud speaker by inductance coil L2 with the 15th pin.
7. protector for belt conveyer according to claim 6 is characterized in that, described key-press input control circuit comprises eight toggle switch and ten button switch S1, S2, S3, S4, S5, S6, S7, S8, S9, S10, wherein:
Described eight toggle switch are used for realizing the coding of described eight belt conveyers, described eight toggle switch the 1st～4 pins link to each other with the described second the 12nd pin that drives chip, described eight toggle switch the 5th～8 pins link to each other with the described second the 13rd pin that drives chip, described eight toggle switch the 9th～12 pins and described second drive corresponding the linking to each other of the 18th～15 pin of chip, and described eight toggle switch the 13rd～16 pins and described second drive corresponding the linking to each other of the 18th～15 pin of chip;
In described ten button switches, the end of four button switch S1～S4 all links to each other with the described first the 10th pin that drives chip, the other end of four button switch S1～S4 links to each other with the described first the 15th～18 pin that drives chip, the end of four button switch S5～S8 all links to each other with the described first the 11st pin that drives chip, the other end of four button switch S5～S8 links to each other with the described first the 15th～18 pin that drives chip, two button switch S9 all link to each other with the described first the 12nd pin that drives chip with S10 one end, and the 15th of two button switch S9 and the S10 other end and described the first driving chip links to each other with the 16th pin is corresponding.
8. protector for belt conveyer according to claim 7 is characterized in that, described relay, described diode D8 and diode D9 are provided with the epoxy encapsulation layer outward.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220578046 CN202897451U (en) | 2012-11-05 | 2012-11-05 | Protective device for belt conveyor |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220578046 CN202897451U (en) | 2012-11-05 | 2012-11-05 | Protective device for belt conveyor |
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| CN202897451U true CN202897451U (en) | 2013-04-24 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN 201220578046 Expired - Fee Related CN202897451U (en) | 2012-11-05 | 2012-11-05 | Protective device for belt conveyor |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102923467A (en) * | 2012-11-05 | 2013-02-13 | 淮南中煤电子有限责任公司 | Protection device of belt conveyor |
| CN104030006A (en) * | 2014-05-12 | 2014-09-10 | 宿州中矿三杰科技有限公司 | Coal flow control device based on CAN bus |
| CN104291088A (en) * | 2014-11-11 | 2015-01-21 | 宁夏嘉翔自控技术有限公司 | Electric automation reconstruction for belt conveyor of bucket wheel machine |
| CN104503412A (en) * | 2014-12-26 | 2015-04-08 | 曲阜师范大学 | Coal preparation technique optimal control system and coal preparation technique optimal control method |
| CN109625843A (en) * | 2019-01-31 | 2019-04-16 | 郎溪东奥输送装备科技有限公司 | The long-range monitoring control system of belt conveyor |
-
2012
- 2012-11-05 CN CN 201220578046 patent/CN202897451U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102923467A (en) * | 2012-11-05 | 2013-02-13 | 淮南中煤电子有限责任公司 | Protection device of belt conveyor |
| CN102923467B (en) * | 2012-11-05 | 2016-03-23 | 淮南中煤电子有限责任公司 | Protector for belt conveyer |
| CN104030006A (en) * | 2014-05-12 | 2014-09-10 | 宿州中矿三杰科技有限公司 | Coal flow control device based on CAN bus |
| CN104291088A (en) * | 2014-11-11 | 2015-01-21 | 宁夏嘉翔自控技术有限公司 | Electric automation reconstruction for belt conveyor of bucket wheel machine |
| CN104503412A (en) * | 2014-12-26 | 2015-04-08 | 曲阜师范大学 | Coal preparation technique optimal control system and coal preparation technique optimal control method |
| CN109625843A (en) * | 2019-01-31 | 2019-04-16 | 郎溪东奥输送装备科技有限公司 | The long-range monitoring control system of belt conveyor |
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