CN103956947A - Mineral aggregate conveyor belt gravitational potential energy recovery power generation system - Google Patents
Mineral aggregate conveyor belt gravitational potential energy recovery power generation system Download PDFInfo
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- CN103956947A CN103956947A CN201410109071.5A CN201410109071A CN103956947A CN 103956947 A CN103956947 A CN 103956947A CN 201410109071 A CN201410109071 A CN 201410109071A CN 103956947 A CN103956947 A CN 103956947A
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Abstract
The invention discloses a mineral aggregate conveyor belt gravitational potential energy recovery power generation system, for the purpose of providing a mineral aggregate conveyor belt gravitational potential energy recovery power generation system which is high in reliability and high in safety. The system comprises a conveyor belt, a driving roller, a transmission case, a brake, a three-phase AC generator, a control circuit, an electric control unit and the like. According to the invention, the system can convert the gravitational potential energy of mineral aggregate into the electric energy of a generator so as to realize recovery utilization of the gravitational potential energy of the mineral aggregate and achieve to purpose of energy conservation and emission reduction.
Description
Technical field
The present invention relates to a kind of electricity generation system, more precisely a kind of mineral aggregate conveyer belt gravitional force reclaims electricity generation system.
Background technology
Selecting and adding man-hour at mining, mineral aggregate, mineral aggregate is in top-down course of conveying, along with increasing of mineral aggregate on conveyer belt, the gravity of mineral aggregate itself increases gradually along the component in conveyer belt direction, make conveyer belt pull cylinder to accelerate rotation, so just the gravitional force of mineral aggregate can be reclaimed to generating by drum driven generator, there is the significance of energy-saving and emission-reduction and good practical value.
Chinese patent CN103161693A discloses a kind of device of gravitional force generating, utilize the self gravitation of intersection driving vehicle, water in water bag is on the ground flowed by certain orientation, impact the middle generator impeller of road and make its rotation and generate electricity.The device of this gravitional force generating, the speed that impeller can reach in the time of water impact impeller is subject to the restriction of the pace of change of crossing wagon flow direction, and in the time that intersection vehicle flux changes, the speed of water impact impeller and intensity all can change, easily cause generator speed and output voltage unstable.
Chinese patent CN103032281A discloses the autologous electricity-generating method of track trol(l)ey (-lly) and the device between a kind of plateau high mountain and Plain, lowland, utilize the weight on the high mountain of plateau, the gravitional force producing by trol(l)ey (-lly) is converted into mechanical energy, drives the generating set generating being loaded on coaster or in tracks.The device of this gravitional force generating, applicable situation is between plateau high mountain and Plain, lowland, has distance, cost is high, fail safe is low shortcoming.
Summary of the invention
The object of the invention is to overcome above-mentioned defect, provide a kind of in mineral aggregate transfer rate with transmit and can meet mineral aggregate when load change and transmit movement requirement and have again an electricity generate function, high, the safe mineral aggregate conveyer belt gravitional force of reliability and reclaim electricity generation system.
For solving the problems of the technologies described above, mineral aggregate conveyer belt gravitional force of the present invention reclaims electricity generation system, comprise head roll, free cylinder, conveyer belt, supporting roller, base for supporting, transmission case, brake, its feature also comprises threephase alternator, control circuit, three-phase grid-connected inverter, ECU (Electrical Control Unit), system switching, speed probe, voltage sensor, the first electromagnetic coil relay, the second electromagnetic coil relay, the 3rd electromagnetic coil relay, the 4th electromagnetic coil relay and brake coil.
Transmission case power shaft is connected by shaft coupling with drive roller shaft, and transmission case output shaft is connected by shaft coupling with brake power shaft; Brake output shaft is connected with the power transmission shaft of threephase alternator.
The effect of described control circuit is: coordinate control threephase alternator under specific operation, to bring into play the effect of three-phase alternating-current motor with ECU (Electrical Control Unit), drive head roll running.
Control circuit the first leading-out terminal is connected with the binding post of the stator winding of threephase alternator; Control circuit the 7th leading-out terminal is connected with the binding post of the rotor winding of threephase alternator; Control circuit the second leading-out terminal access electrical network; Control circuit the 5th leading-out terminal is successively by the first relay contact and three-phase grid-connected inverter access electrical network; Control circuit the 3rd leading-out terminal, control circuit the 4th leading-out terminal and control circuit the 6th leading-out terminal are all connected with ECU (Electrical Control Unit).
The second relay contact connects respectively control circuit the second leading-out terminal and the 3rd relay contact normal-closed end; Described the second electromagnetic coil relay is connected with control circuit the 3rd leading-out terminal; The 3rd relay contact Chang Kaiduan is connected with the input of rectifier; The 3rd relay contact is connected with control circuit the first leading-out terminal; Described the second electromagnetic coil relay is connected with control circuit the 4th leading-out terminal; The output of described rectifier is connected with control circuit the 5th leading-out terminal; The 4th relay contact is connected with control circuit the 7th leading-out terminal; The 4th relay contact normal-closed end is connected with the positive ends of storage battery, and the 4th relay contact Chang Kaiduan is connected with the negative polarity end of storage battery; Described the 4th electromagnetic coil relay is connected with control circuit the 6th leading-out terminal.
Each signal input part of described ECU (Electrical Control Unit) is connected with respectively system switching, speed probe and voltage sensor; Each signal output part of described ECU (Electrical Control Unit) is connected with respectively the first electromagnetic coil relay, the second electromagnetic coil relay, the 3rd electromagnetic coil relay, the 4th electromagnetic coil relay and brake coil; Described speed probe is arranged on transmission case output shaft, for detection of the output rotating speed of transmission case; The input terminal of described voltage sensor is connected with control circuit the 5th leading-out terminal, for detection of the output voltage of rectifier.
Described threephase alternator has two states under the control of ECU (Electrical Control Unit) and control circuit, is respectively generating state and motoring condition; When the output rotating speed of transmission case is greater than while stopping the recoverable minimum speed of gesture, ECU (Electrical Control Unit) provides the second electromagnetic coil relay low level, the second relay contact is disconnected, simultaneously, ECU (Electrical Control Unit) provides the 3rd electromagnetic coil relay and the 4th electromagnetic coil relay high level, the stator winding of threephase alternator is connected with rectifier by the 3rd relay contact, and rotor winding is connected with storage battery by brush, so threephase alternator is in generating state; When the output rotating speed of transmission case is less than while stopping the recoverable minimum speed of gesture, ECU (Electrical Control Unit) provides the second electromagnetic coil relay high level, the second relay contact is connected, simultaneously, ECU (Electrical Control Unit) provides the 3rd electromagnetic coil relay and the 4th electromagnetic coil relay low level, the stator winding of threephase alternator is connected with three phase network by the second relay contact, and rotor short circuit in winding, so threephase alternator is in motoring condition.
Described system switching is for controlling the state of whole system, and in the time that system switching is connected, ECU (Electrical Control Unit) enters running status; In the time that system switching disconnects, ECU (Electrical Control Unit) enters off-mode, i.e. the solenoid power-off of the first relay, the second relay, the 3rd relay and the 4th relay, and brake action simultaneously, shuts down head roll.
Compared with prior art, its advantage is in the present invention:
(1) mineral aggregate conveyer belt gravitional force of the present invention reclaims electricity generation system, can either meet the normal need of work that mineral aggregate transmits, and can make full use of again mineral aggregate potential energy, safely and efficiently generating;
(2) threephase alternator of mineral aggregate conveyer belt gravitional force recovery electricity generation system of the present invention has the function of motor concurrently, can simplify system, can reduce again system cost.
Brief description of the drawings
Fig. 1 is the structural representation that embodiment of the present invention mineral aggregate conveyer belt gravitional force reclaims electricity generation system.
Fig. 2 is the structural representation of embodiment of the present invention threephase alternator control circuit.
In figure:, 1. free cylinder, 2. conveyer belt, 3. supporting roller, 4. head roll, 5. mineral aggregate unloading port, 6. mineral aggregate, 7. ore bunker, 8. base for supporting, 9. transmission case, 9a. transmission case power shaft, 9b. transmission case output shaft, 10. brake, 10a., brake power shaft, 10b., brake output shaft, 24. brake coils, 11. threephase alternators, 111. stator, 112. stator winding, 113. rotor, 114. rotor windings, 115. brush, 12. control circuits, 12a. control circuit the first leading-out terminal, 12b. control circuit the second leading-out terminal, 12c. control circuit the 3rd leading-out terminal, 12d. control circuit the 4th leading-out terminal, 12e. control circuit the 5th leading-out terminal, 12f. control circuit the 6th leading-out terminal, 12g. control circuit the 7th leading-out terminal, 121. second relay contacts, 124. the 3rd relay contacts, 124a. the 3rd relay contact normal-closed end, 124b. the 3rd relay contact Chang Kaiduan, 125. rectifier, 126., the 4th relay contact, 126a. the 4th relay contact normal-closed end, 126b. the 4th relay contact Chang Kaiduan, 127. storage battery, 13. first relay contacts, 14. three-phase grid-connected inverters, 20. ECU (Electrical Control Unit), 21. system switchings, 23. speed probes, 25. second electromagnetic coil relays, 26. the 3rd electromagnetic coil relays, 27. the 4th electromagnetic coil relays, 28. voltage sensors, 29. first electromagnetic coil relays.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, technical scheme in the embodiment of the present invention is described in detail, obviously, described embodiment is only the present invention's part embodiment, instead of whole embodiment.Based on the embodiment in the present invention, those of ordinary skill in the art belong to the scope of protection of the invention not making the every other embodiment obtaining under creative work prerequisite.
As shown in Figure 1, mineral aggregate conveyer belt gravitional force of the present invention reclaims electricity generation system, comprise head roll 4, free cylinder 1, conveyer belt 2, supporting roller 3, base for supporting 8, transmission case 9, brake 10, its feature also comprises threephase alternator 11, control circuit 12, three-phase grid-connected inverter 14, ECU (Electrical Control Unit) 20, system switching 21, speed probe 23, voltage sensor 28, the first electromagnetic coil relay 29, the second electromagnetic coil relay 25, the 3rd electromagnetic coil relay 26, the 4th electromagnetic coil relay 27 and brake coil 24.
Mineral aggregate 6 is transported to ore bunker 7 from mineral aggregate unloading port 5 by conveyer belt 2; Described conveyer belt 2 turns round under the driving of head roll 4; Described free cylinder 1 turns round under the driving of conveyer belt 2; Described supporting roller 3 is for supporting conveyer belt 2; Described base for supporting 8 is for support drive cylinder 4 and free cylinder 1.
Transmission case power shaft 9a is connected by shaft coupling with the axle of head roll 4, and transmission case output shaft 9b is connected by shaft coupling with brake power shaft 10a; Brake output shaft 10b is connected with the power transmission shaft of threephase alternator 11.
Each signal input part of described ECU (Electrical Control Unit) 20 is connected with respectively system switching 21, speed probe 23 and voltage sensor 28; Each signal output part of described ECU (Electrical Control Unit) 20 is connected with respectively the first electromagnetic coil relay 29, the second electromagnetic coil relay 25, the 3rd electromagnetic coil relay 26, the 4th electromagnetic coil relay 27 and brake coil 24; It is upper that described speed probe 23 is arranged on transmission case output shaft 9b, for detection of the output rotating speed of transmission case 9; The input terminal of described voltage sensor 28 is connected with control circuit the 5th leading-out terminal 12e, for detection of the output voltage of rectifier 125.
As shown in Figure 2, the effect of the threephase alternator control circuit 12 of the embodiment of the present invention is: coordinate control threephase alternator 11 under specific operation, to bring into play the effect of three-phase alternating-current motor with ECU (Electrical Control Unit) 20, drive head roll 4 to turn round.
Control circuit the first leading-out terminal 12a is connected with the binding post of the stator winding 112 of threephase alternator 11; Control circuit the 7th leading-out terminal 12g is connected with the binding post of the rotor winding 114 of threephase alternator 11; Control circuit the second leading-out terminal 12b access electrical network; Control circuit the 5th leading-out terminal 12e successively accesses electrical network by the first relay contact 13 and three-phase grid-connected inverter 14; Control circuit the 3rd leading-out terminal 12c, control circuit the 4th leading-out terminal 12d are all connected with ECU (Electrical Control Unit) 20 with control circuit the 6th leading-out terminal 12f.
The second relay contact 121 connects respectively control circuit the second leading-out terminal 12b and the 3rd relay contact normal-closed end 124a; Described the second electromagnetic coil relay 25 is connected with control circuit the 3rd leading-out terminal 12c; The 3rd relay contact Chang Kaiduan 124b is connected with the input of rectifier 125; The 3rd relay contact 124 is connected with control circuit the first leading-out terminal 12a; Described the second electromagnetic coil relay 26 is connected with control circuit the 4th leading-out terminal 12d; The output of described rectifier 125 is connected with control circuit the 5th leading-out terminal 12e; The 4th relay contact 126 is connected with control circuit the 7th leading-out terminal 12g; The 4th relay contact normal-closed end 126a is connected with the positive ends of storage battery 127, and the 4th relay contact Chang Kaiduan 126b is connected with the negative polarity end of storage battery 127; Described the 4th electromagnetic coil relay 27 is connected with control circuit the 6th leading-out terminal 12f.
The course of work that the mineral aggregate conveyer belt gravitional force of the present embodiment reclaims electricity generation system is: in the time that system switching 21 is connected, ECU (Electrical Control Unit) 20 enters running status.In the time that system switching 21 is connected, ECU (Electrical Control Unit) 20 enters running status.ECU (Electrical Control Unit) 20 provides the second electromagnetic coil relay 25 high potentials, the second electromagnetic coil relay 25 is switched on, the second relay contact 121 closures, meanwhile, ECU (Electrical Control Unit) 20 provides the 3rd electromagnetic coil relay 26 and the 4th electromagnetic coil relay 27 low levels, the stator winding 112 of threephase alternator 11 is connected with three phase network by the second relay contact 121,114 short circuits of rotor winding, so threephase alternator 11 is in motoring condition, drive head roll 4 to turn round by the first transmission case 9, conveyer belt 2 transports mineral aggregate 6 downwards;
The tach signal that ECU (Electrical Control Unit) 20 provides by speed probe 23 judges whether to reach and stops the recoverable minimum speed of gesture, in the time reaching this rotating speed, ECU (Electrical Control Unit) 20 provides the second electromagnetic coil relay 25 low levels, the second relay contact 121 disconnects, meanwhile, ECU (Electrical Control Unit) 20 provides the 3rd electromagnetic coil relay 26 and the 4th electromagnetic coil relay 27 high level, the stator winding 112 of threephase alternator 11 is connected with rectifier 125 by the 3rd relay contact 124, rotor winding 114 is connected with storage battery 127 by brush 115, thereby the motoring condition of threephase alternator 11 is converted to generating state,
Threephase alternator 11 generates electricity under the driving of head roll 4, the three-phase voltage producing is converted to galvanic current by rectifier 125, connect three-phase grid-connected inverter 14 by the first relay contact 13 again, three-phase voltage is inputted to electrical network, whether ECU (Electrical Control Unit) 20 is controlled the switching of its contact 13 by controlling the break-make of the first electromagnetic coil relay 29 electric currents, and then control three-phase voltage and export; The magnitude of voltage that ECU (Electrical Control Unit) 20 provides by voltage sensor 28 judges whether three-phase voltage reaches the requirement of output electrical network, in the time meeting output the requiring of electrical network, ECU (Electrical Control Unit) 20 provides the first electromagnetic coil relay 29 high potentials, the first electromagnetic coil relay 29 is switched on, the first relay contact 13 closures, connect three phase network;
When mineral aggregate 6 quantity on conveyer belt 2 reduce, its gravitional force is not enough to reach and generates electricity while requirement, ECU (Electrical Control Unit) 20 provides the first electromagnetic coil relay 29 and the second electromagnetic coil relay 25 high level, the 3rd electromagnetic coil relay 26 and the 4th electromagnetic coil relay 27 low levels simultaneously, now, the first relay contact 13 disconnects, the 3rd relay contact 124 and the 4th relay contact 126 are got back to original position, the generating state of threephase alternator 11 is become to motoring condition, and system enters driving condition;
In the time that system switching 21 disconnects, ECU (Electrical Control Unit) 20 enters off-mode, i.e. the first electromagnetic coil relay 29, the second electromagnetic coil relay 25, the 3rd electromagnetic coil relay 26 and the 4th electromagnetic coil relay 27 power-off, brake 10 moves simultaneously, head roll 4 is shut down, complete shutdown task.
By reference to the accompanying drawings embodiments of the present invention are explained in detail above, but the present invention is not limited to above-mentioned execution mode, in the ken possessing at affiliated technical field those of ordinary skill, can also under the prerequisite that does not depart from aim of the present invention, make various variations.
Claims (1)
1. reclaim electricity generation system at a kind of mineral aggregate conveyer belt gravitional force, it comprises head roll (4), conveyer belt (2), supporting roller (3), free cylinder (1), transmission case (9), brake (10), threephase alternator (11) and control circuit (12), it is characterized in that:
It also comprises three-phase grid-connected inverter (14), ECU (Electrical Control Unit) (20), system switching (21), speed probe (23), voltage sensor (28), the first electromagnetic coil relay (29), the second electromagnetic coil relay (25), the 3rd electromagnetic coil relay (26), the 4th electromagnetic coil relay (27) and brake coil (24);
Described control circuit the first leading-out terminal (12a) is connected with the binding post of the stator winding (112) of threephase alternator (11); Described control circuit the 7th leading-out terminal (12g) is connected with the binding post of the rotor winding (114) of threephase alternator (11); Described control circuit the second leading-out terminal (12b) access electrical network; Described control circuit the 5th leading-out terminal (12e) is successively by the first relay contact (13) and three-phase grid-connected inverter (14) access electrical network; Described control circuit the 3rd leading-out terminal (12c), control circuit the 4th leading-out terminal (12d) and control circuit the 6th leading-out terminal (12f) are all connected with the signal output part of ECU (Electrical Control Unit) (20);
The two ends of described the second relay contact (121) connect respectively control circuit the second leading-out terminal (12b) and the 3rd relay contact normal-closed end (124a); Described the second electromagnetic coil relay (25) is connected with control circuit the 3rd leading-out terminal (12c); Described the 3rd relay contact Chang Kaiduan (124b) is connected with the input of rectifier (125); Described the 3rd relay contact (124) is connected with control circuit the first leading-out terminal (12a); Described the second electromagnetic coil relay (26) is connected with control circuit the 4th leading-out terminal (12d); The output of described rectifier (125) is connected with control circuit the 5th leading-out terminal (12e); Described the 4th relay contact (126) is connected with control circuit the 7th leading-out terminal (12g); Described the 4th relay contact normal-closed end (126a) is connected with the positive ends of storage battery (127), and the 4th relay contact Chang Kaiduan (126b) is connected with the negative polarity end of storage battery (127); Described the 4th electromagnetic coil relay (27) is connected with control circuit the 6th leading-out terminal (12f);
Each signal input part of described ECU (Electrical Control Unit) (20) is connected with respectively system switching (21), speed probe (23) and voltage sensor (28); Each signal output part of described ECU (Electrical Control Unit) (20) is connected with respectively the first electromagnetic coil relay (29), the second electromagnetic coil relay (25), the 3rd electromagnetic coil relay (26), the 4th electromagnetic coil relay (27) and brake coil (24);
It is upper that described speed probe (23) is arranged on transmission case output shaft (9b), for detection of the output rotating speed of transmission case (9); The input terminal of described voltage sensor (28) is connected with control circuit the 5th leading-out terminal (12e), for detection of the output voltage of rectifier (125).
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410109071.5A CN103956947A (en) | 2014-03-24 | 2014-03-24 | Mineral aggregate conveyor belt gravitational potential energy recovery power generation system |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410109071.5A CN103956947A (en) | 2014-03-24 | 2014-03-24 | Mineral aggregate conveyor belt gravitational potential energy recovery power generation system |
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| CN201410109071.5A Pending CN103956947A (en) | 2014-03-24 | 2014-03-24 | Mineral aggregate conveyor belt gravitational potential energy recovery power generation system |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104158274A (en) * | 2014-08-12 | 2014-11-19 | 北京天拓四方科技有限公司 | Belt conveyor downward transportation energy recovery method and recovery system |
| FR3037326A1 (en) * | 2015-06-09 | 2016-12-16 | Francois Henri Cathala | CONVEYOR BELT |
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| US20020194847A1 (en) * | 2001-06-26 | 2002-12-26 | Halloran John J. | Potential energy storage system |
| CN101408213A (en) * | 2008-11-11 | 2009-04-15 | 浙江大学 | Energy recovery system of hybrid power engineering machinery energy accumulator-hydraulic motor |
| US20090282822A1 (en) * | 2008-04-09 | 2009-11-19 | Mcbride Troy O | Systems and Methods for Energy Storage and Recovery Using Compressed Gas |
| CN204013305U (en) * | 2014-03-24 | 2014-12-10 | 山东理工大学 | Mineral aggregate conveyer belt gravitional force reclaims electricity generation system |
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2014
- 2014-03-24 CN CN201410109071.5A patent/CN103956947A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| US20020194847A1 (en) * | 2001-06-26 | 2002-12-26 | Halloran John J. | Potential energy storage system |
| US20090282822A1 (en) * | 2008-04-09 | 2009-11-19 | Mcbride Troy O | Systems and Methods for Energy Storage and Recovery Using Compressed Gas |
| CN101408213A (en) * | 2008-11-11 | 2009-04-15 | 浙江大学 | Energy recovery system of hybrid power engineering machinery energy accumulator-hydraulic motor |
| CN204013305U (en) * | 2014-03-24 | 2014-12-10 | 山东理工大学 | Mineral aggregate conveyer belt gravitional force reclaims electricity generation system |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104158274A (en) * | 2014-08-12 | 2014-11-19 | 北京天拓四方科技有限公司 | Belt conveyor downward transportation energy recovery method and recovery system |
| CN104158274B (en) * | 2014-08-12 | 2017-05-03 | 北京天拓四方科技有限公司 | Belt conveyor downward transportation energy recovery method and recovery system |
| FR3037326A1 (en) * | 2015-06-09 | 2016-12-16 | Francois Henri Cathala | CONVEYOR BELT |
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Application publication date: 20140730 |