CN111362171A - Pneumatic hoist system with self-charging function and working method - Google Patents
Pneumatic hoist system with self-charging function and working method Download PDFInfo
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- CN111362171A CN111362171A CN202010333662.6A CN202010333662A CN111362171A CN 111362171 A CN111362171 A CN 111362171A CN 202010333662 A CN202010333662 A CN 202010333662A CN 111362171 A CN111362171 A CN 111362171A
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- power supply
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- conversion module
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66D—CAPSTANS; WINCHES; TACKLES, e.g. PULLEY BLOCKS; HOISTS
- B66D3/00—Portable or mobile lifting or hauling appliances
- B66D3/18—Power-operated hoists
- B66D3/20—Power-operated hoists with driving motor, e.g. electric motor, and drum or barrel contained in a common housing
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66D—CAPSTANS; WINCHES; TACKLES, e.g. PULLEY BLOCKS; HOISTS
- B66D3/00—Portable or mobile lifting or hauling appliances
- B66D3/18—Power-operated hoists
- B66D3/26—Other details, e.g. housings
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/14—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries for charging batteries from dynamo-electric generators driven at varying speed, e.g. on vehicle
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- Mechanical Engineering (AREA)
- Power Engineering (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
The invention discloses a pneumatic hoist system with a self-charging function, which consists of a pneumatic part and an electric control part, wherein the pneumatic part consists of a valve, a double-electric-control electromagnetic valve, a pneumatic motor and a pneumatic hoist; the electric control part is internally provided with a forward rotation relay, a reverse rotation relay and a corresponding control circuit, and a coil of the double-electric control electromagnetic valve is connected with a power supply through contacts on the corresponding forward rotation relay and reverse rotation relay respectively to control the pneumatic hoist to work.
Description
Technical Field
The invention belongs to the field of mechanical control, and particularly relates to a pneumatic hoist system with a self-charging function and a working method.
Background
The pneumatic hoist is an upgrading product of the electric hoist and is widely applied to various industries. The pneumatic hoist can be driven only by providing compressed air with certain pressure, and low energy consumption and high efficiency are achieved. The gas-off protection function is also provided, and the workpiece is ensured not to fall and fall under the condition of sudden gas-off.
The pneumatic hoist has good explosion-proof performance, is widely applied to inflammable, explosive, high-temperature, high-dust and strong-corrosiveness operation places such as chemical engineering, textile, paint spraying, logistics, wharfs and the like in foreign industrialized countries, and is called as the most ideal explosion-proof hoisting equipment in the world at present. Because of the characteristics of high frequency and stepless speed change, the gear box is deeply favored by the manufacturing industries of automobiles, tractors, motors, refrigerators and the like with large yield and strong continuous operation and the logistics industry; in particular, in the well-established countries of some industries, the pneumatic hoist must be forcibly used in flammable and explosive occasions such as petroleum, chemical engineering, automobiles, mines and the like.
The pneumatic hoist is driven by a pneumatic motor, the power of the pneumatic motor is compressed air with certain pressure, the pneumatic hoist is mainly used for hoisting equipment, the installation form can be matched with a cantilever crane or a guide rail to realize movement,
the pneumatic hoist system comprises a pneumatic part and an electric control part, wherein the pneumatic part comprises a valve, a double-electric-control electromagnetic valve, a pneumatic motor and a pneumatic hoist, one end of the valve is connected with an air source, the other end of the valve is connected with the pneumatic hoist sequentially through the double-electric-control electromagnetic valve and the pneumatic motor, and the electric control part is directly connected with forward and reverse coils in the double-electric-control electromagnetic valve; the forward and reverse coils in the dual-electric control electromagnetic valve are respectively connected with a power supply through contacts on corresponding forward and reverse relays, and are connected with the forward and reverse relay coils through a switch control circuit to control the pneumatic hoist to work; for some special environments, such as flammable and explosive environments, power lines are arranged, so that potential safety hazards can be brought, and harm is caused.
Disclosure of Invention
The purpose of the invention is as follows: the invention aims to solve the defects in the prior art, and provides a pneumatic hoist system with a self-charging function and a working method.
The technical scheme is as follows: the invention relates to a pneumatic hoist system with a self-charging function, which consists of a pneumatic part and an electric control part, wherein the pneumatic part consists of a valve, a double-electric-control electromagnetic valve, a pneumatic motor and a pneumatic hoist; the system comprises a double-electric-control electromagnetic valve, a power supply, a self-generating control system, a generator and an electric energy control system, wherein forward and reverse coils in the double-electric-control electromagnetic valve are respectively connected with the power supply through corresponding contacts of forward and reverse relays to control the work of the pneumatic hoist;
the electric energy control system comprises a single chip microcomputer, a rectifying and voltage stabilizing module, a power generation detection unit, a battery detection unit, a lithium battery, a detection power supply DC/DC conversion module, a charging power supply DC/DC conversion module, a discharge driving power switch, a detection power switch, a single chip microcomputer power supply DC/DC conversion module, a double-electric-control solenoid valve power supply DC/DC conversion module A, a double-electric-control solenoid valve power supply DC/DC conversion module B, a wireless receiving module, a driving circuit and a charging control unit;
the input end of the rectification voltage-stabilizing module is connected with the output end of the generator, the rectification voltage-stabilizing module is connected with the power input end of the charging power supply DC/DC conversion module, the power generation detection unit detects the voltage rectified by the rectification voltage-stabilizing module and transmits data to the single chip microcomputer, the power output end of the charging power supply DC/DC conversion module is respectively connected with the power input ends of the double-electric control electromagnetic valve power supply DC/DC conversion module A, the single chip microcomputer power supply DC/DC conversion module and the charging control unit, and the power output end of the double-electric control electromagnetic valve power supply DC/DC conversion module A directly provides power for the electric control part of the pneumatic hoist system; the output end of the charging control unit is respectively connected with the detection end of the battery detection unit, the charging end of the lithium battery, the power input end of the single chip microcomputer power supply DC/DC conversion module and one end of the auxiliary power supply power switch, and the signal output end of the battery detection unit is connected with the single chip microcomputer; the other end of the discharge driving power switch and a double-electric-control electromagnetic valve power supply DC/DC conversion module B, and the double-electric-control electromagnetic valve power supply DC/DC conversion module B provides power for an electric control part of the pneumatic hoist system; the power supply output end of the single chip microcomputer power supply DC/DC conversion module is respectively connected with the power supply input end of the single chip microcomputer and one end of a detection power switch, the other end of the detection power switch is connected with the detection power supply DC/DC conversion module, and the detection power supply DC/DC conversion module respectively supplies power for the power generation detection unit and the battery detection unit; the signal output end of the single chip microcomputer is respectively connected with the signal input ends of the detection power switch, the auxiliary power supply power switch and the charging control unit; the single chip microcomputer controls forward and reverse relay coils through a driving circuit; and the wireless receiving module is in serial communication with the singlechip.
Preferably, a diode D1 is arranged at the output end of the dual-electric-control-solenoid-valve-powered DC/DC conversion module a, a diode D2 is arranged at the output end of the dual-electric-control-solenoid-valve-powered DC/DC conversion module B, a diode D3 is arranged between the output end of the charging-powered DC/DC conversion module and the power input end of the single-chip-microcomputer-powered DC/DC conversion module, and a diode D4 is arranged between the output end of the charging control unit and the power input end of the single-chip-microcomputer-powered DC/DC conversion module.
Preferably, the pneumatic motor is a dual output shaft (front and rear shaft) pneumatic motor.
Preferably, the pneumatic hoist system with the self-charging function further comprises a remote control device corresponding to the wireless receiving module.
Preferably, the DC/DC conversion module is a wide voltage range DC/DC conversion module.
Preferably, the self-generating control system is integrated with the pneumatic hoist.
A control method of a pneumatic hoist system with a self-charging function comprises the following specific steps:
when the electric quantity in the lithium battery is insufficient, the self-generating control system does not work, the single chip microcomputer cannot receive a remote control signal through the wireless receiving module, the pneumatic motor is manually controlled to intake air, so that the pneumatic motor works, the pneumatic motor drives the pneumatic hoist and the generator to work, and the generator charges the battery;
when the electric quantity in the lithium cell is sufficient, the lithium cell passes through wireless receiving module for the singlechip receives remote control signal for the control system power supply from electricity generation, and the control system from electricity generation simultaneously provides the power for two electric control solenoid valves, and the singlechip receives and saves remote control information, starts and operation control pneumatic block, and concrete control is as follows:
after the pneumatic self-generating control system receives a working signal sent by the remote control device, the singlechip controls the discharge to drive the power switch to be switched on and off so as to provide power for the double-electric-control electromagnetic valve, meanwhile, the singlechip controls one coil of the forward and reverse contactors to be electrified through the driving circuit, the corresponding coil in the double-electric-control electromagnetic valve is electrified, compressed gas in a gas source is introduced into the pneumatic motor to drive the pneumatic motor to work, and the pneumatic motor drives the electric hoist and the generator to work simultaneously; the electric energy generated by the generator passes through the rectified voltage module, sequentially passes through the charging power supply DC/DC conversion module and the double electric control solenoid valve power supply DC/DC conversion module A, and outputs a working power supply of the double electric control solenoid valve; the electric energy output by the charging and power supply DC/DC conversion module charges the lithium battery under the control of the charging control unit by the singlechip, and meanwhile, the electric energy output by the charging and power supply DC/DC conversion module supplies power to the singlechip through the singlechip power supply DC/DC conversion module;
when the pneumatic motor works, the battery is in a charging state; the singlechip controls the detection power switch to be closed, and the singlechip supplies power to the DC/DC conversion module, and supplies working power to the power generation detection unit and the battery detection unit through the detection power supply DC/DC conversion module; after the power generation detection unit detects the voltage behind the rectifying and voltage-stabilizing module, the power generation detection unit sends power generation detection data to the single chip microcomputer for processing, and after the battery detection unit detects the voltage of the lithium battery, the battery detection unit sends the battery detection data to the single chip microcomputer for processing, so that whether the lithium battery is charged when the motor works is judged;
when the pneumatic motor does not work, the pneumatic self-generating control system does not receive a working signal sent by the remote control device, and the lithium battery directly supplies power for the single chip microcomputer.
Has the advantages that: the invention discloses a pneumatic hoist system with a self-charging function and a working method, and the pneumatic hoist system has the following effects:
(1) the generator is driven by the pneumatic motor, a self-generating system of the pneumatic hoist is constructed, the whole pneumatic hoist system is powered and controlled to work, and a power supply is not required to be externally arranged, so that the explosion-proof problem of the application environment of the pneumatic hoist is solved, the universality is improved, and the pneumatic hoist is convenient to popularize and use in the industry;
(2) the DC/DC module with a wide voltage range is adopted, so that the problem of large voltage change in the starting stage of the pneumatic motor is solved, and the effective operation of a pneumatic motor system is ensured;
(3) a charging power supply is arranged in a self-generating control system, so that the operation convenience is improved, and the situation that manual operation is needed each time the self-generating control system is used is prevented;
(4) and the wireless communication technology is adopted, so that the pneumatic hoist is controlled by remote control, and the potential safety hazard is reduced.
Drawings
FIG. 1 is a schematic electrical diagram of the present invention;
1. a pneumatic hoist; 2. a pneumatic motor; 3. a generator; 4. a rectification voltage stabilization module; 5. a charging power supply DC/DC conversion module; 6. the double-electric control electromagnetic valve supplies power to the DC/DC conversion module A; 7. a charging control unit; 8. the singlechip supplies power to the DC/DC conversion module; 9. a lithium battery; 10. detecting a power switch; 11. detecting a power supply DC/DC conversion module; 12. a power generation detection unit; 13. a battery detection unit; 14. a single chip microcomputer; 15. a drive circuit; 16. forward and reverse relay coils; 17. forward and reverse relay contacts; 18. a wireless receiving module; 19. a double electric control electromagnetic valve; 20. a valve; 21. an auxiliary power supply power switch; 22. and the double electric control electromagnetic valves supply power to the DC/DC conversion module B.
Detailed Description
As shown in fig. 1, the pneumatic hoist system with the self-charging function, the pneumatic hoist 1 system is composed of a pneumatic part and an electric control part, the pneumatic part is composed of a valve 20, a dual-electric-control solenoid valve 19, a pneumatic motor 2 and a pneumatic hoist 1, one end of the valve 20 is connected with an air source, the other end is connected with the pneumatic hoist 1 through the dual-electric-control solenoid valve 19 and the pneumatic motor 2 in sequence, and the electric control part is directly connected with forward and reverse coils in the dual-electric-control solenoid valve 19; the system comprises a double-electric-control electromagnetic valve 19, a power supply, a self-generating control system and a power control system, wherein forward and reverse coils in the double-electric-control electromagnetic valve 19 are respectively connected with the power supply through corresponding forward and reverse relay contacts 17 to control the work of the pneumatic hoist 1, the self-generating control system supplies power to the whole pneumatic hoist 1 system and controls the work of the pneumatic hoist 1, no external power supply is needed, the self-generating control system consists of a generator 3 and an electric energy control system, an input shaft of the generator 3 is connected with an output shaft of a pneumatic motor 2, the electric energy control system is connected with an output end of the generator 3, and the electric energy control system controls the double-electric-control electromagnetic valve 19 in the pneumatic hoist 1 system to;
the electric energy control system is composed of a single chip microcomputer 14, a rectifying and voltage stabilizing module 4, a power generation detection unit 12, a battery detection unit 13, a lithium battery 9, a detection power supply DC/DC conversion module 11, a charging power supply DC/DC conversion module 5, an auxiliary power supply power switch 21, a detection power switch 10, a single chip microcomputer power supply DC/DC conversion module 8, a double-electric-control electromagnetic valve power supply DC/DC conversion module A6, a double-electric-control electromagnetic valve power supply DC/DC conversion module B22, a wireless receiving module 18, a driving circuit 15 and a charging control unit 7;
the input end of the rectifying and voltage stabilizing module 4 is connected with the output end of the generator 3, the rectifying and voltage stabilizing module 4 is connected with the power input end of the charging and power supplying DC/DC conversion module 5, the power generation detection unit 12 detects the voltage rectified by the rectifying and voltage stabilizing module 4 and transmits data to the single chip microcomputer 14, the power output end of the charging and power supplying DC/DC conversion module 5 is respectively connected with the power input ends of the double-electric control electromagnetic valve power supplying DC/DC conversion module A6, the single chip microcomputer power supplying DC/DC conversion module 8 and the charging control unit 7, and the power output end of the double-electric control electromagnetic valve power supplying DC/DC conversion module A6 directly provides power for the electric control part of the pneumatic hoist 1 system; the output end of the charging control unit 7 is respectively connected with the detection end of a battery detection unit 13, the charging end of a lithium battery 9, the power input end of a single chip microcomputer power supply DC/DC conversion module 8 and one end of an auxiliary power supply power switch 21, and the signal output end of the battery detection unit 13 is connected with a single chip microcomputer 14; the other end of the auxiliary power supply power switch 21 and a double-electric-control-solenoid-valve-powered DC/DC conversion module B22, and the double-electric-control-solenoid-valve-powered DC/DC conversion module B22 provides power for an electric control part of the pneumatic hoist 1 system; the power output end of the single chip microcomputer power supply DC/DC conversion module 8 is respectively connected with the power input end of a single chip microcomputer 14 and one end of a detection power switch 10, the other end of the detection power switch 10 is connected with a detection power supply DC/DC conversion module 11, and the detection power supply DC/DC conversion module 11 respectively supplies power to a power generation detection unit 12 and a battery detection unit 13; the signal output end of the single chip microcomputer 14 is respectively connected with the signal input ends of the detection power switch 10, the discharge driving power switch 21 and the charging control unit 7; the single chip microcomputer 14 controls a forward rotation relay coil 16 and a reverse rotation relay coil 16 through a driving circuit 15; the wireless receiving module 18 is in serial communication with the single chip microcomputer 14.
In this example, preferably, the output end of the dual-electric-control electromagnetic valve power supply DC/DC conversion module 6 is provided with a diode D1, the output end of the dual-electric-control electromagnetic valve power supply DC/DC conversion module B22 is provided with a diode D2, a diode D3 is arranged between the output end of the charging and power supply DC/DC conversion module 5 and the power supply input end of the single-chip microcomputer power supply DC/DC conversion module 8, and a diode D4 is arranged between the output end of the charging control unit 7 and the power supply input end of the single-chip microcomputer power supply DC/DC conversion module 8.
In this example, it is preferable that the pneumatic motor 2 is a dual output shaft (front and rear shafts) pneumatic motor 2.
In this embodiment, it is preferable that the pneumatic hoist 1 system with the self-charging function further includes a remote control device corresponding to the wireless receiving module 18, and the wireless receiving module 18 receives or sends a remote control command such as forward rotation, reverse rotation, working time, working mode, and the like.
In this example, the DC/DC conversion module (5) is preferably a wide voltage range DC/DC conversion module.
In this embodiment, it is preferable that the self-generating control system is integrated with the pneumatic hoist 1.
A control method of a pneumatic hoist 1 system with a self-charging function comprises the following specific steps:
when the electric quantity in the lithium battery 9 is insufficient, the self-generating control system does not work, the single chip microcomputer 14 cannot receive a remote control signal through the wireless receiving module 18, the pneumatic motor is manually controlled to intake air, so that the pneumatic motor 2 works, the pneumatic motor 2 drives the pneumatic hoist 1 and the generator 3 to work, and the generator 3 charges the battery;
when the electric quantity in the lithium cell 9 is sufficient, the lithium cell 9 is the control system power supply from electricity generation, for singlechip 14 passes through wireless receiving module 18 and receives remote control signal, the control system from electricity generation simultaneously provides the power for two electric control solenoid valve 19, and singlechip 14 receives and stores remote control information, starts and operation control pneumatic hoist 1, and specific control is as follows:
after the pneumatic self-generating control system receives a working signal sent by the remote control device, the singlechip 14 controls the auxiliary power supply power switch 21 to be closed to provide power for the double-electric-control electromagnetic valve 19, meanwhile, the singlechip 14 controls one coil of the forward and reverse relays to be electrified through the driving circuit 15, the corresponding coil in the double-electric-control electromagnetic valve 19 is electrified, compressed gas in a gas source is introduced into the pneumatic motor 2 to drive the pneumatic motor 2 to work, and the pneumatic motor 2 simultaneously drives the electric hoist and the generator 3 to work; the electric energy generated by the generator 3 passes through the charging power supply DC/DC conversion module 5 and the double electric control electromagnetic valve power supply DC/DC conversion module 6 in sequence through the rectified voltage module, and the working power supply of the double electric control electromagnetic valve 19 is output; the electric energy output by the charging and power supply DC/DC conversion module 5 charges the lithium battery 9 under the control of the charging control unit 7 by the singlechip 14, and the electric energy output by the charging and power supply DC/DC conversion module 5 supplies power to the singlechip 14 through the singlechip power supply DC/DC conversion module 8;
when the pneumatic motor 2 works, the battery is in a charging state; the single chip microcomputer 14 controls the detection power switch 10 to be closed, and supplies the electric energy of the single chip microcomputer power supply DC/DC conversion module 8 to the power generation detection unit 12 and the battery detection unit 13 through the detection power supply DC/DC conversion module 11; after the power generation detection unit 12 detects the voltage of the rectified and stabilized voltage module 4, the power generation detection unit 12 sends power generation detection data to the single chip microcomputer 14 for processing, and after the battery detection unit 13 detects the voltage of the lithium battery 9, the battery detection unit 13 sends the battery detection data to the single chip microcomputer 14 for processing, so as to determine whether to charge the lithium battery 9 when the motor works;
when the pneumatic motor 2 does not work, the pneumatic self-generating control system does not receive a working signal sent by the remote control device, and the lithium battery 9 directly supplies power for the singlechip 14.
Although the present invention has been described with reference to a preferred embodiment, it should be understood that various changes, substitutions and alterations can be made herein without departing from the spirit and scope of the invention as defined by the appended claims.
Claims (7)
1. A pneumatic hoist (1) system with a self-charging function is characterized in that the pneumatic hoist (1) system consists of a pneumatic part and an electric control part, the pneumatic part consists of a valve (20), a double-electric-control electromagnetic valve (19), a pneumatic motor (2) and a pneumatic hoist (1), one end of the valve (20) is connected with an air source, the other end of the valve is connected with the pneumatic hoist (1) sequentially through the double-electric-control electromagnetic valve (19) and the pneumatic motor (2), and the electric control part is directly connected with forward and reverse coils in the double-electric-control electromagnetic valve (19); corotation in two electric control solenoid valve (19), reversal coil are connected with the power through corotation, the contact (17) of reversal relay that correspond respectively, control pneumatic calabash (1) work, its characterized in that: the system is characterized by further comprising a self-generating control system, wherein the self-generating control system is used for supplying power to the whole pneumatic hoist (1) system and controlling the pneumatic hoist to work and does not need an external power supply, the self-generating control system is composed of a generator (3) and an electric energy control system, an input shaft of the generator (3) is connected with an output shaft of a pneumatic motor (2), the electric energy control system is connected with an output end of the generator (3), and the electric energy control system controls a double-electric-control electromagnetic valve (19) in a pneumatic part in the pneumatic hoist (1) system to be connected with the electric energy control system through a forward relay contact (17) and a reverse relay contact (17) and a relay coil (16) and a relay;
the electric energy control system is composed of a single chip microcomputer (14), a rectifying and voltage-stabilizing module (4), a power generation detection unit (12), a battery detection unit (13), a lithium battery (9), a detection power supply DC/DC conversion module (11), a charging power supply DC/DC conversion module (5), an auxiliary power supply power switch (21), a detection power switch (10), a single chip microcomputer power supply DC/DC conversion module (8), a double-electric-control-solenoid-valve-power-supply DC/DC conversion module A (6), a double-electric-control-solenoid-valve-power-supply DC/DC conversion module B (22), a wireless receiving module (18), a driving circuit (15) and a charging control unit (7);
the input end of the rectification voltage-stabilizing module (4) is connected with the output end of the generator (3), the rectification voltage-stabilizing module (4) is connected with the power input end of the charging power supply DC/DC conversion module (5), the power generation detection unit (12) detects the voltage rectified by the rectification voltage-stabilizing module (4) and transmits data to the single chip microcomputer (14), the power output end of the charging power supply DC/DC conversion module (5) is respectively connected with the power input ends of the double-electric-control-solenoid-valve power supply DC/DC conversion module A (6), the single chip microcomputer power supply DC/DC conversion module (8) and the charging control unit (7), and the power output end of the double-electric-control-solenoid-valve power supply DC/DC conversion module A (6) directly provides power for the electric control part of the pneumatic hoist (1) system; the output end of the charging control unit (7) is respectively connected with the detection end of the battery detection unit (13), the charging end of the lithium battery (9) and the input end of the singlechip power supply DC/DC conversion module (8) through a diode D4 and one end of an auxiliary power supply power switch (21), and the signal output end of the battery detection unit (13) is connected with the singlechip (14); the other end of the auxiliary power supply power switch (21) and a double-electric-control-solenoid-valve-powered DC/DC conversion module B (22), and the double-electric-control-solenoid-valve-powered DC/DC conversion module B (22) provides power for an electric control part of the pneumatic hoist (1) system; the power output end of the single chip microcomputer power supply DC/DC conversion module (8) is respectively connected with the power input end of the single chip microcomputer (14) and one end of a detection power switch (10), the other end of the detection power switch (10) is connected with a detection power supply DC/DC conversion module (11), and the detection power supply DC/DC conversion module (11) respectively supplies power to a power generation detection unit (12) and a battery detection unit (13); the signal output end of the single chip microcomputer (14) is respectively connected with the signal input ends of the detection power switch (10), the auxiliary power supply power switch (21) and the charging control unit (7); the single chip microcomputer (14) controls a forward rotation relay coil and a reverse rotation relay coil (16) through a driving circuit (15); the wireless receiving module (18) is in serial communication with the single chip microcomputer (14).
2. Pneumatic hoist (1) system with self-charging function according to claim 1, characterized in that: the output end of the double-electric-control-solenoid-valve power supply DC/DC conversion module A (6) is provided with a diode D1, the output end of the double-electric-control-solenoid-valve power supply DC/DC conversion module B (22) is provided with a diode D2, a diode D3 is arranged between the output end of the charging and power supply DC/DC conversion module (5) and the power input end of the single-chip-microcomputer power supply DC/DC conversion module (8), and a diode D4 is arranged between the output end of the charging control unit (7) and the power input end of the single-chip-microcomputer power supply DC/DC conversion module (8).
3. Pneumatic hoist (1) system with self-charging function according to claim 1, characterized in that: the pneumatic motor (2) is a double-output-shaft pneumatic motor (2).
4. Pneumatic hoist (1) system with self-charging function according to claim 1, characterized in that: the pneumatic hoist (1) system with the self-charging function also comprises a remote control device corresponding to the wireless receiving module (18).
5. Pneumatic hoist (1) system with self-charging function according to claim 1, characterized in that: the DC/DC conversion module (5) is a wide voltage range DC/DC conversion module.
6. Pneumatic hoist (1) system with self-charging function according to claim 1, characterized in that: the self-generating control system is integrated with the pneumatic hoist (1).
7. A control method of a pneumatic hoist (1) system with self-charging function according to any one of claims 1 to 6, characterized in that: the specific control method comprises the following steps:
when the electric quantity in the lithium battery (9) is insufficient, a self-generating control system does not work, the single chip microcomputer (14) cannot receive a remote control signal through the wireless receiving module (18), the pneumatic motor is manually controlled to intake air, so that the pneumatic motor (2) works, the pneumatic motor (2) drives the pneumatic hoist (1) and the generator (3) to work, and the generator (3) charges the battery;
when the electric quantity in lithium cell (9) is sufficient, lithium cell (9) are the control system power supply from electricity generation, for singlechip (14) receive remote control signal through wireless receiving module (18), the control system from electricity generation provides the power for two electric control solenoid valve (19) simultaneously, singlechip (14) receive with the storage remote control information, start and operation control pneumatic hoist (1), and specific control is as follows:
after a pneumatic self-generating control system receives a working signal sent by a remote control device, a singlechip (14) controls an auxiliary power supply power switch (21) to be closed to provide power for a double-electric-control electromagnetic valve (19), meanwhile, the singlechip (14) controls one coil of a forward rotation relay (16) and a reverse rotation relay (16) to be electrified through a driving circuit (15), a contact (17) of the relay controls one coil of the double-electric-control electromagnetic valve (19) to be electrified, compressed gas in a gas source is introduced into a pneumatic motor (2) to drive the pneumatic motor (2) to work, and the pneumatic motor (2) simultaneously drives an electric hoist and a generator (3) to work; the electric energy generated by the generator (3) passes through the rectified voltage module, sequentially passes through the charging power supply DC/DC conversion module (5) and the double-electric-control electromagnetic valve power supply DC/DC conversion module A (6), and outputs a working power supply of the double-electric-control electromagnetic valve (19); the electric energy output by the charging and power supply DC/DC conversion module (5) charges the lithium battery (9) under the control of the charging control unit (7) by the singlechip (14), and the electric energy output by the charging and power supply DC/DC conversion module (5) supplies power to the singlechip (14) through the singlechip power supply DC/DC conversion module (8);
when the pneumatic motor (2) works, the battery is in a charging state; the singlechip (14) controls the detection power switch (10) to be closed, and the singlechip power supply DC/DC conversion module (8) supplies electric energy to the power generation detection unit (12) and the battery detection unit (13) through the detection power supply DC/DC conversion module (11); after the power generation detection unit (12) detects the voltage of the rectified voltage stabilization module (4), the power generation detection unit (12) sends power generation detection data to the single chip microcomputer (14) for processing, and after the battery detection unit (13) detects the voltage of the lithium battery (9), the battery detection unit (13) sends the battery detection data to the single chip microcomputer (14) for processing, so that whether the lithium battery (9) is charged when the motor works is judged;
when the pneumatic motor (2) does not work, the pneumatic self-generating control system does not receive a working signal sent by the remote control device, and the lithium battery (9) directly supplies power for the singlechip (14).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010333662.6A CN111362171B (en) | 2020-04-24 | 2020-04-24 | Pneumatic hoist system with self-charging function and working method |
Applications Claiming Priority (1)
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| CN114294065A (en) * | 2021-12-30 | 2022-04-08 | 浙江中控技术股份有限公司 | Pneumatic explosion-proof power supply device and implementation method thereof |
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