CN-224204771-U - Energy feedback time-division output system of gantry crane

CN224204771UCN 224204771 UCN224204771 UCN 224204771UCN-224204771-U

Abstract

The disclosure provides an energy feedback time-sharing output system of a gantry crane, and belongs to the technical field of energy utilization. The energy feedback time-division output system of the portal crane comprises a generator, a rectifier, a storage battery, a first switch, an inverter module, an electric quantity monitoring module and a control module, wherein the input end of the rectifier is connected with the output end of the generator, the output end of the rectifier is connected with the input end of the storage battery, the first end of the first switch is connected with the output end of the storage battery, the second end of the first switch is connected with the input end of the inverter module, the control end of the first switch is connected with the control signal output end of the control module, the electric quantity monitoring module is connected with the storage battery, the output end of the inverter module is used for grid connection, and the generator is configured to convert mechanical energy of the crane into electric energy. The energy feedback device can improve the stability and reliability of energy feedback.

Inventors

DONG LIUMING
MENG WEIDUO
YANG QINGWEI
XU XIANGLIN
ZHOU JIAN
WEI WEI
LIU DIANLIANG
LIU JIAN
ZHU YONGLIN
ZHANG CHAOQUN

Assignees

曹妃甸港西港码头有限公司

Dates

Publication Date: 20260505
Application Date: 20250205

Claims (7)

1. The energy feedback time-period output system of the portal crane is characterized by comprising a generator, a rectifier, a storage battery, a first switch, an inverter module, an electric quantity monitoring module and a control module; The input end of the rectifier is connected with the output end of the generator, and the output end of the rectifier is connected with the input end of the storage battery; the first end of the first switch is connected with the output end of the storage battery, the second end of the first switch is connected with the input end of the inverter module, and the control end of the first switch is connected with the control signal output end of the control module; the electric quantity monitoring module is connected with the storage battery; The output end of the inverter module is used for grid connection; The generator is configured to convert mechanical energy of the crane into electrical energy.
2. The gantry crane energy feedback time-interval output system according to claim 1, wherein the inverter module comprises a time base module, a driving module, a MOS tube Q3, a MOS tube Q4 and a transformer U9; The power end of the time base module is connected with the second end of the first switch, and the output end of the time base module is connected with the input end of the driving module; The first output end of the driving module is connected with the grid electrode of the MOS tube Q3, and the second output end of the driving module is connected with the grid electrode of the MOS tube Q4; The drain electrode of the MOS tube Q3 is connected with the first input end of the transformer U9, and the source electrode of the MOS tube Q3 is connected with the negative electrode of the storage battery; The drain electrode of the MOS tube Q4 is connected with the second input end of the transformer U9, and the source electrode of the MOS tube Q4 is connected with the negative electrode of the storage battery; The primary coil tap of the transformer U9 is connected with the anode of the storage battery; The first output end of the transformer U9 and the second output end of the transformer U9 are both used for grid connection.
3. The energy feedback time-division output system of the gantry crane of claim 2, further comprising a voltage stabilizer U5, a diode D9, a diode D10, a capacitor C12, a capacitor C13, a capacitor C14, a slide rheostat R17 and a resistor R18; The input end of the voltage stabilizer U5 is connected with the second end of the first switch, the output end of the voltage stabilizer U5 is connected with the input end of the time base module, and the adjusting end of the voltage stabilizer U5 is grounded through the capacitor C12; The cathode of the diode D9 is connected with the input end of the voltage stabilizer U5, and the anode of the diode D9 is connected with the output end of the voltage stabilizer U5; the first end of the resistor R18 and the cathode of the diode D10 are connected with the output end of the voltage stabilizer U5, and the second end of the resistor R18 and the anode of the diode D10 are connected with the adjusting end of the voltage stabilizer U5; The first end of the sliding rheostat R17 is connected with the adjusting end of the voltage stabilizer U5, and the sliding end of the sliding rheostat R17 and the second end of the sliding rheostat are grounded; The first end of the capacitor C12 is connected with the adjusting end of the voltage stabilizer U5, and the second end of the capacitor C12 is grounded; the positive pole of the capacitor C14 is connected with the input end of the voltage stabilizer U5, the negative pole of the capacitor C13 is connected with the output end of the voltage stabilizer U5, and the negative pole of the capacitor C14 and the positive pole of the capacitor C13 are grounded.
4. The gantry crane energy feedback time-division output system as claimed in claim 3, wherein the time base module comprises a resistor R14, a sliding rheostat R15, a resistor R16, a diode D8, a time base chip U1, a capacitor C10 and a capacitor C11; The reset end of the time base chip U1 is connected with the power end of the time base chip U1, and the trigger end of the time base chip U1 is connected with the threshold end of the time base chip U1; The output end of the voltage stabilizer U5 is connected with the first end of the sliding rheostat R15 through the resistor R16, and the second end of the sliding rheostat R15 is connected with the capacitor C11 through the resistor R14; The anode of the diode D8 is connected with the discharge end of the time base chip U1, and the cathode of the diode D8 is connected with the threshold end of the time base chip U1; The grounding end of the time base chip U1 is grounded, and the control voltage end of the time base chip U1 is grounded through the capacitor C10; The output end of the time base chip U1 is connected with the input end of the driving module.
5. The gantry crane energy feedback time-division output system according to claim 2, wherein the driving module comprises a resistor R10, a resistor R19, a triode Q1, a triode Q2, a triode Q5, a resistor R11, a resistor R12, a resistor R13, a resistor R20 and a resistor R21; the first end of the resistor R10 is an input end of the driving module, the second end of the resistor R10 is connected with the base electrode of the triode Q2, and the second end of the resistor R10 is connected with the base electrode of the triode Q1 through the resistor R19; The collector of the triode Q2 is connected with the grid electrode of the MOS tube Q3 through the resistor R13, and the emitter of the triode Q2 is connected with a power supply through the resistor R11; the collector of the triode Q1 is connected with a power supply through the resistor R12, the collector of the triode Q1 is connected with the base of the triode Q5 through the resistor R20, and the emitter of the triode Q1 is grounded; The emitter of the triode Q5 is connected with a power supply, the collector of the triode Q5 is grounded through the resistor R21, and the collector of the triode Q5 is connected with the grid electrode of the MOS tube Q4.
6. The gantry crane energy feedback time-division output system of claim 1, further comprising a communication module; the communication module is connected with the electric quantity monitoring module; the communication module is configured to send power information to the terminal device.
7. The energy feedback time-division output system of the gantry crane of claim 1, further comprising an alarm module; the alarm module is connected with the electric quantity monitoring module; The alarm module is configured to alarm.

Description

Energy feedback time-division output system of gantry crane Technical Field The disclosure relates to the technical field of energy utilization, in particular to an energy feedback time-sharing output system of a gantry crane. Background In port operations, gantry cranes play a key role. When the goods are lifted, a great amount of energy is generated in the descending process of the goods. Traditionally, this energy is often wasted and not utilized effectively. Along with the increasingly prominent energy problems and the continuous improvement of energy conservation and emission reduction requirements, energy recovery technology is gradually focused. The existing energy feedback system is insufficient in stability and reliability, so that a stable and reliable energy feedback time-division output system is urgently needed. Disclosure of utility model The embodiment of the disclosure provides an energy feedback time-division output system of a gantry crane, which aims to solve the problem of low energy feedback stability. The embodiment of the disclosure provides a gantry crane energy feedback time-period output system, which comprises a generator, a rectifier, a storage battery, a first switch, an inverter module, an electric quantity monitoring module and a control module; The input end of the rectifier is connected with the output end of the generator, and the output end of the rectifier is connected with the input end of the storage battery; The first end of the first switch is connected with the output end of the storage battery, the second end of the first switch is connected with the input end of the inverter module, and the control end of the first switch is connected with the control signal output end of the control module; The electric quantity monitoring module is connected with the storage battery; the output end of the inverter module is used for grid connection; the generator is configured to convert mechanical energy of the crane into electrical energy. In one exemplary embodiment of the present disclosure, an inverter module includes a time base module, a driving module, a MOS transistor Q3, a MOS transistor Q4, and a transformer U9; The power end of the time base module is connected with the second end of the first switch, and the output end of the time base module is connected with the input end of the driving module; The first output end of the driving module is connected with the grid electrode of the MOS tube Q3, and the second output end of the driving module is connected with the grid electrode of the MOS tube Q4; The drain electrode of the MOS tube Q3 is connected with the first input end of the transformer U9, and the source electrode of the MOS tube Q3 is connected with the negative electrode of the storage battery; The drain electrode of the MOS tube Q4 is connected with the second input end of the transformer U9, and the source electrode of the MOS tube Q4 is connected with the negative electrode of the storage battery; The primary coil tap of the transformer U9 is connected with the anode of the storage battery; The first output end of the transformer U9 and the second output end of the transformer U9 are used for grid connection. In one exemplary embodiment of the present disclosure, a gantry crane energy feedback time-sharing output system further includes a voltage regulator U5, a diode D9, a diode D10, a capacitor C12, a capacitor C13, a capacitor C14, a sliding rheostat R17, and a resistor R18; The input end of the voltage stabilizer U5 is connected with the second end of the first switch, the output end of the voltage stabilizer U5 is connected with the input end of the time base module, and the adjusting end of the voltage stabilizer U5 is grounded through a capacitor C12; The cathode of the diode D9 is connected with the input end of the voltage stabilizer U5, and the anode of the diode D9 is connected with the output end of the voltage stabilizer U5; The first end of the resistor R18 and the cathode of the diode D10 are connected with the output end of the voltage stabilizer U5, and the second end of the resistor R18 and the anode of the diode D10 are connected with the adjusting end of the voltage stabilizer U5; The first end of the sliding rheostat R17 is connected with the adjusting end of the voltage stabilizer U5, and the sliding end of the sliding rheostat R17 and the second end of the sliding rheostat are grounded; the first end of the capacitor C12 is connected with the adjusting end of the voltage stabilizer U5, and the second end of the capacitor C12 is grounded; the positive electrode of the capacitor C14 is connected with the input end of the voltage stabilizer U5, the negative electrode of the capacitor C13 is connected with the output end of the voltage stabilizer U5, and the negative electrode of the capacitor C14 and the positive electrode of the capacitor C13 are grounded. In one exemplary embodiment of the present disclosure, the time base module incl