Tower crane variable frequency integrated controller

Abstract

This application relates to a tower crane variable frequency integrated controller, belonging to the field of power electronics technology. The tower crane variable frequency integrated controller includes an electrical control module, a rectification module, an inversion and energy consumption braking module, and a control and safety monitoring system; the input end of the electrical control module is connected to an external power supply system, the output end of the electrical control module is connected to the input end of the rectification module, the output end of the rectification module is connected to the power supply end of the inversion and energy consumption braking module, the output end of the rectification module is connected to the power supply end of the control and safety monitoring system, the first control end of the control and safety monitoring system is connected to the controlled end of the inversion and energy consumption braking module, the first output end of the inversion and energy consumption braking module is connected to the driving end of the hoisting motor, the second output end of the inversion and energy consumption braking module is connected to the driving end of the slewing motor, and the third output end of the inversion and energy consumption braking module is connected to the driving end of the luffing motor. This application is used to solve the problem of low integration of the control system of tower cranes.

Description

Technical Field

[0001] This application relates to the field of power electronics technology, and particularly to a tower crane variable frequency integrated controller. Background Art

[0002] In the traditional integrated electro-mechanical control system of tower cranes, the motor drives of the three major mechanisms, namely the hoisting mechanism, slewing mechanism, and luffing mechanism, are separated, and the logic control and safety monitoring systems are implemented independently of each other. Moreover, the motor driver, logic control system, and safety monitoring system are implemented in a combined mode by different manufacturers. This results in a low integration degree of the entire control system, a large product volume, complex circuits, high maintenance costs, and low cooperation between different manufacturers, making it impossible to improve the maintainability of the entire tower crane driver product and the stability of the system. Summary of the Invention

[0003] This application provides a tower crane variable frequency integrated controller to solve the problem of low integration degree of the control system of tower cranes.

[0004] An embodiment of this application provides a tower crane variable frequency integrated controller, including an electrical control module, a rectification module, an inversion and energy consumption braking module, and a control and safety monitoring system;

[0005] The input end of the electrical control module is connected to an external power supply system, the output end of the electrical control module is connected to the input end of the rectification module, the output end of the rectification module is connected to the power supply end of the inversion and energy consumption braking module, the output end of the rectification module is connected to the power supply end of the control and safety monitoring system, the first control end of the control and safety monitoring system is connected to the controlled end of the inversion and energy consumption braking module, the first output end of the inversion and energy consumption braking module is connected to the driving end of the hoisting motor, the second output end of the inversion and energy consumption braking module is connected to the driving end of the slewing motor, and the third output end of the inversion and energy consumption braking module is connected to the driving end of the luffing motor.

[0006] Optionally, the tower crane variable frequency integrated controller further includes a motor brake module;

[0007] The second control end of the control and safety monitoring system is connected to the input end of the motor brake module, the first output end of the motor brake module is connected to the braking end of the hoisting motor, the second output end of the motor brake module is connected to the braking end of the slewing motor, and the third output end of the motor brake module is connected to the braking end of the luffing motor.

[0008] Optionally, the control and safety monitoring system is used to collect information of the hoisting mechanism, slewing mechanism and luffing mechanism, wherein the information includes limit information, and the limit information includes at least one of torque limit, weight limit, height limit, amplitude limit and slewing limit, collect the operating state information of the hoisting motor, the slewing motor and the luffing motor, and control the operating parameters of the hoisting motor, the slewing motor and the luffing motor according to the information and the operating state information.

[0009] Optionally, the tower crane variable frequency integrated controller further includes a pin shaft sensor;

[0010] The pin shaft sensor is used to obtain the load weight of the hoisting mechanism and send the load weight of the hoisting mechanism to the control and safety monitoring system;

[0011] The control and safety monitoring system is used to obtain the load weight of the hoisting mechanism sent by the pin shaft sensor and control the operating parameters of the hoisting motor, the slewing motor and the luffing motor according to the load weight of the hoisting mechanism.

[0012] Optionally, the tower crane variable frequency integrated controller further includes an anemometer;

[0013] The anemometer is used to obtain the current wind speed state and send the current wind speed state to the control and safety monitoring system;

[0014] The control and safety monitoring system is used to obtain the current wind speed state sent by the anemometer and control the operating parameters of the hoisting motor, the slewing motor and the luffing motor according to the current wind speed state.

[0015] Optionally, the tower crane variable frequency integrated controller further includes a hoisting encoder, a slewing encoder and a luffing encoder;

[0016] The hoisting encoder is used to monitor the operating state information of the hoisting motor and send the operating state information of the hoisting motor to the control and safety monitoring system;

[0017] The slewing encoder is used to monitor the operating state information of the slewing motor and send the operating state information of the slewing motor to the control and safety monitoring system;

[0018] The luffing encoder is used to monitor the operating state information of the luffing motor and send the operating state information of the luffing motor to the control and safety monitoring system;

[0019] The control and safety monitoring system is used to obtain the operating status information of the hoisting motor sent by the hoisting encoder, the operating status information of the slewing motor sent by the slewing encoder, and the operating status information of the luffing motor sent by the luffing encoder, and control the operating parameters of the hoisting motor, the slewing motor, and the luffing motor according to the operating status information of the hoisting motor, the operating status information of the slewing motor, and the operating status information of the luffing motor.

[0020] Optionally, the tower crane frequency conversion integrated controller further includes a joystick console;

[0021] The joystick console is used to obtain a control instruction and send the control instruction to the control and safety monitoring system;

[0022] The control and safety monitoring system is used to obtain the control instruction sent by the joystick console and control the operating parameters of the hoisting motor, the slewing motor, and the luffing motor according to the control instruction;

[0023] The control and safety monitoring system is further used to obtain status feedback information and send the status feedback information to the joystick console;

[0024] The joystick console is further used to obtain the status feedback information sent by the control and safety monitoring system.

[0025] Optionally, the tower crane frequency conversion integrated controller further includes a human-machine interface;

[0026] The human-machine interface is used to obtain input parameters and send the input parameters to the control and safety monitoring system;

[0027] The control and safety monitoring system is used to obtain the input parameters sent by the human-machine interface and control the operation of the hoisting motor, the slewing motor, and the luffing motor according to the input parameters.

[0028] Optionally, the tower crane frequency conversion integrated controller further includes a remote monitoring module;

[0029] The control and safety monitoring system is used to obtain the operating status information of the hoisting motor, the operating status information of the slewing motor, and the operating status information of the luffing motor, and send the operating status information of the hoisting motor, the operating status information of the slewing motor, and the operating status information of the luffing motor to the remote monitoring module;

[0030] The remote monitoring module is used to obtain the operating status information of the hoisting motor, the operating status information of the slewing motor, and the operating status information of the luffing motor sent by the control and safety monitoring system;

[0031] The remote monitoring module is further configured to obtain remote input parameters and send the remote input parameters to the control and safety monitoring system;

[0032] The control and safety monitoring system is further configured to obtain the remote input parameters sent by the remote monitoring module and control the operation of the hoisting motor, the slewing motor, and the luffing motor according to the remote input parameters.

[0033] Optionally, the tower crane variable frequency integrated controller further includes a data storage module;

[0034] The control and safety monitoring system is configured to obtain input / output data, the operation status information of the hoisting motor, the operation status information of the slewing motor, and the operation status information of the luffing motor, and send the input / output data, the operation status information of the hoisting motor, the operation status information of the slewing motor, and the operation status information of the luffing motor to the data storage module;

[0035] The data storage module is configured to obtain the input / output data, the operation status information of the hoisting motor, the operation status information of the slewing motor, and the operation status information of the luffing motor sent by the control and safety monitoring system, and record them.

[0036] The above technical solutions provided by the embodiments of the present application have the following advantages compared with the prior art: In the embodiments of the present application, a tower crane variable-frequency integrated controller is provided, which includes an electrical control module, a rectification module, an inversion and energy consumption braking module, and a control and safety monitoring system; the input end of the electrical control module is connected to an external power supply system, the output end of the electrical control module is connected to the input end of the rectification module, the output end of the rectification module is connected to the power supply end of the inversion and energy consumption braking module, the output end of the rectification module is connected to the power supply end of the control and safety monitoring system, the first control end of the control and safety monitoring system is connected to the controlled end of the inversion and energy consumption braking module, the first output end of the inversion and energy consumption braking module is connected to the driving end of the hoisting motor, the second output end of the inversion and energy consumption braking module is connected to the driving end of the slewing motor, and the third output end of the inversion and energy consumption braking module is connected to the driving end of the luffing motor. Compared with the prior art, in which the motor drives of the three major mechanisms, namely the hoisting mechanism, the slewing mechanism, and the luffing mechanism, are separated, and the logic control and the safety monitoring system are implemented independently of each other, resulting in a low integration degree of the control system of the tower crane. In the present application, by using the inversion and energy consumption braking module to connect the driving ends of the hoisting motor, the slewing motor, and the luffing motor, and connecting the output end of the rectification module to the power supply end of the inversion and energy consumption braking module, the motor drive parts of the three major mechanisms, namely the hoisting, slewing, and luffing mechanisms, are realized, that is, the inversion and energy consumption braking module realizes the common DC bus design, and all are connected to the output end of the rectification module. Moreover, the motor control, logic control, and safety monitoring of the three major mechanisms are all integrated in the control and safety monitoring system, achieving a high degree of integration. BRIEF DESCRIPTION OF THE DRAWINGS

[0037] The accompanying drawings herein are incorporated into the specification and form a part of the specification, showing embodiments consistent with the present invention and, together with the specification, are used to explain the principles of the present invention.

[0038] In order to more clearly illustrate the technical solutions in the embodiments of the present invention or the prior art, the following will briefly introduce the accompanying drawings required for the description of the embodiments or the prior art. Obviously, for those of ordinary skill in the art, without creative efforts, other drawings can also be obtained based on these drawings.

[0039] Figure 1 It is a schematic structural diagram of the tower crane variable-frequency integrated controller in the embodiments of the present application;

[0040] Figure 2 It is a schematic structural diagram of the tower crane variable-frequency integrated controller in a specific embodiment of the present application. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0041] To make the objectives, technical solutions, and advantages of the embodiments of this application clearer, the following will clearly and completely describe the technical solutions in the embodiments of this application with reference to the accompanying drawings in the embodiments of this application. Obviously, the described embodiments are some but not all of the embodiments of this application. All other embodiments obtained by those of ordinary skill in the art based on the embodiments in this application without creative efforts fall within the scope of protection of this application.

[0042] In an embodiment of this application, a tower crane variable-frequency integrated controller is provided, which includes an electrical control module 1, a rectification module 2, an inversion and energy consumption braking module 3, and a control and safety monitoring system 4.

[0043] The input end of the electrical control module 1 is connected to an external power supply system, the output end of the electrical control module 1 is connected to the input end of the rectification module 2, the output end of the rectification module 2 is connected to the power supply end of the inversion and energy consumption braking module 3, the output end of the rectification module 2 is connected to the power supply end of the control and safety monitoring system 4, the first control end of the control and safety monitoring system 4 is connected to the controlled end of the inversion and energy consumption braking module 3, the first output end of the inversion and energy consumption braking module 3 is connected to the driving end of the hoisting motor, the second output end of the inversion and energy consumption braking module 3 is connected to the driving end of the slewing motor, and the third output end of the inversion and energy consumption braking module 3 is connected to the driving end of the luffing motor.

[0044] Compared with the prior art, in which the motor drives of the three major mechanisms, namely the hoisting mechanism, the slewing mechanism, and the luffing mechanism, are separated, and the logic control and the safety monitoring system are implemented independently of each other, resulting in a low integration degree of the control system of the tower crane. In this application, by using the inversion and energy consumption braking module to connect to the driving ends of the hoisting motor, the slewing motor, and the luffing motor, and the output end of the rectification module is connected to the power supply end of the inversion and energy consumption braking module, the motor drive parts of the three major mechanisms, namely the hoisting, slewing, and luffing mechanisms, are realized. That is, the inversion and energy consumption braking module realizes the common DC bus design, and all are connected to the output end of the rectification module. Moreover, the motor control, logic control, and safety monitoring of the three major mechanisms are integrated in the control and safety monitoring system, achieving a high degree of integration. The number of low-voltage electrical components used is reduced, the internal wiring of the product is reduced, the production and processing difficulty is reduced, and the product volume is reduced. The entire integrated machine is made more concise, convenient for maintenance, and the cost is reduced. At the same time, the machinery manufacturer can omit the communication and docking links with different suppliers.

[0045] The product volume is greatly reduced, and the electric control system can be built into the driver's cab to achieve integration; at the same time, the eddy current control module is removed, and a non-eddy current control solution is adopted, which can remove the dedicated eddy current motor and the motor cost. The integrated control and safety monitoring system is designed in an integrated manner, reducing the docking work between different manufacturers and improving the maintainability of the system.

[0046] In a specific embodiment, the tower crane variable-frequency integrated controller further includes a motor braking module;

[0047] The second control end of the control and safety monitoring system is connected to the input end of the motor braking module. The first output end of the motor braking module is connected to the braking end of the hoisting motor, the second output end of the motor braking module is connected to the braking end of the slewing motor, and the third output end of the motor braking module is connected to the braking end of the luffing motor.

[0048] The motor braking module receives the braking control signal of the control and safety monitoring system and directly controls whether the hoisting motor, the slewing motor, and the luffing motor operate, so as to achieve the safety protection function. It integrates the braking and fan control of the three major mechanisms and is compatible with different braking forms of normally open and normally closed for the slewing mechanism. The driver does not need to distinguish between normally open and normally closed brakes, reducing the driver's operation difficulty.

[0049] In a specific embodiment, the control and safety monitoring system is used to collect information of the hoisting mechanism, the slewing mechanism, and the luffing mechanism. Among them, the information includes limit information, and the limit information includes at least one of torque limit, weight limit, height limit, amplitude limit, and slewing limit. It collects the operating state information of the hoisting motor, the slewing motor, and the luffing motor, and controls the operating parameters of the hoisting motor, the slewing motor, and the luffing motor according to the information and the operating state information.

[0050] Among them, the operating state information includes at least one of output current, output voltage, output frequency, and phase sequence.

[0051] In a specific embodiment, the tower crane variable frequency integrated controller further includes a pin shaft sensor;

[0052] The pin shaft sensor is used to obtain the load weight of the hoisting mechanism and send the load weight of the hoisting mechanism to the control and safety monitoring system;

[0053] The control and safety monitoring system is used to obtain the load weight of the hoisting mechanism sent by the pin shaft sensor and control the operating parameters of the hoisting motor, the slewing motor, and the luffing motor according to the load weight of the hoisting mechanism.

[0054] In a specific embodiment, the tower crane variable frequency integrated controller further includes an anemometer;

[0055] The anemometer is used to obtain the current wind speed state and send the current wind speed state to the control and safety monitoring system;

[0056] The control and safety monitoring system is used to obtain the current wind speed state sent by the anemometer and control the operating parameters of the hoisting motor, the slewing motor, and the luffing motor according to the current wind speed state.

[0057] In a specific embodiment, the tower crane variable frequency integrated controller further includes a hoisting encoder, a slewing encoder, and a luffing encoder;

[0058] The hoisting encoder is used to monitor the operating status information of the hoisting motor and send the operating status information of the hoisting motor to the control and safety monitoring system;

[0059] The slewing encoder is used to monitor the operating status information of the slewing motor and send the operating status information of the slewing motor to the control and safety monitoring system;

[0060] The luffing encoder is used to monitor the operating status information of the luffing motor and send the operating status information of the luffing motor to the control and safety monitoring system;

[0061] The control and safety monitoring system is used to obtain the operating status information of the hoisting motor sent by the hoisting encoder, the operating status information of the slewing motor sent by the slewing encoder, and the operating status information of the luffing motor sent by the luffing encoder, and control the operating parameters of the hoisting motor, slewing motor, and luffing motor according to the operating status information of the hoisting motor, slewing motor, and luffing motor.

[0062] In a specific embodiment, the tower crane variable frequency integrated controller further includes a linkage console;

[0063] The linkage console is used to obtain control instructions and send the control instructions to the control and safety monitoring system;

[0064] The control and safety monitoring system is used to obtain the control instructions sent by the linkage console and control the operating parameters of the hoisting motor, slewing motor, and luffing motor according to the control instructions;

[0065] The control and safety monitoring system is further used to obtain status feedback information and send the status feedback information to the linkage console;

[0066] The linkage console is further used to obtain the status feedback information sent by the control and safety monitoring system.

[0067] The linkage console realizes controlling the operation of the three major mechanisms according to the control instructions and providing corresponding alarm indications according to the status feedback information.

[0068] In a specific embodiment, the tower crane variable frequency integrated controller further includes a human-machine interface;

[0069] The human-machine interface is used to obtain input parameters and send the input parameters to the control and safety monitoring system;

[0070] The control and safety monitoring system is used to obtain the input parameters sent by the human-machine interface and control the operation of the hoisting motor, slewing motor, and luffing motor according to the input parameters.

[0071] The human-machine interface can also realize functions such as data display and status indication.

[0072] In a specific embodiment, the tower crane variable frequency integrated controller further includes a remote monitoring module;

[0073] A control and safety monitoring system is used to obtain the operating status information of the hoisting motor, the slewing motor, and the luffing motor, and send the operating status information of the hoisting motor, the slewing motor, and the luffing motor to the remote monitoring module;

[0074] The remote monitoring module is used to obtain the operating status information of the hoisting motor, the slewing motor, and the luffing motor sent by the control and safety monitoring system;

[0075] The remote monitoring module is further used to obtain remote input parameters and send the remote input parameters to the control and safety monitoring system;

[0076] The control and safety monitoring system is further used to obtain the remote input parameters sent by the remote monitoring module and control the operation of the hoisting motor, the slewing motor, and the luffing motor according to the remote input parameters.

[0077] The remote monitoring module can detect the current operating status of the equipment and can also set remote input parameters, which is convenient for remote operation.

[0078] In a specific embodiment, the tower crane variable frequency integrated controller further includes a data storage module;

[0079] The control and safety monitoring system is used to obtain input / output data, the operating status information of the hoisting motor, the slewing motor, and the luffing motor, and send the input / output data, the operating status information of the hoisting motor, the slewing motor, and the luffing motor to the data storage module;

[0080] The data storage module is used to obtain the input / output data, the operating status information of the hoisting motor, the slewing motor, and the luffing motor sent by the control and safety monitoring system and record them.

[0081] The data storage module can realize data safety monitoring.

[0082] In a specific embodiment, as Figure 2 shown, the tower crane variable frequency integrated controller includes an electrical control module 1, a rectification module 2, an inversion and energy consumption braking module 3, a control and safety monitoring system 4, an electric motor braking module 5, a pin shaft sensor 6, an anemometer 7, a hoisting encoder 8, a slewing encoder 9, a luffing encoder 10, a linkage console 11, a human-machine interface 12, a remote monitoring module 13, and a data storage module 14.

[0083] The inverter and energy consumption braking module 3 also samples the currents of the hoisting motor, slewing motor and luffing motor to obtain the current values of the hoisting motor, slewing motor and luffing motor.

[0084] It should be noted that in this text, relational terms such as "first" and "second" are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any actual relationship or order between these entities or operations. Moreover, the terms "comprising", "including" or any other variant thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device comprising a series of elements includes not only those elements but also other elements not expressly listed, or also includes elements inherent to such process, method, article or device. Without further limitation, an element defined by the statement "comprising one..." does not exclude the existence of additional identical elements in the process, method, article or device comprising the said element.

[0085] The above are only specific embodiments of the present invention, enabling those skilled in the art to understand or implement the present invention. Various modifications to these embodiments will be obvious to those skilled in the art, and the general principles defined herein can be implemented in other embodiments without departing from the spirit or scope of the present invention. Therefore, the present invention will not be limited to these embodiments shown herein, but rather to the broadest scope consistent with the principles and novel features claimed herein.

Claims

1. A tower crane variable frequency integrated controller, characterized in that, It includes an electrical control module, a rectification module, an inversion and energy consumption braking module, and a control and safety monitoring system; The input end of the electrical control module is connected to an external power supply system, the output end of the electrical control module is connected to the input end of the rectification module, the output end of the rectification module is connected to the power supply end of the inversion and energy consumption braking module, the output end of the rectification module is connected to the power supply end of the control and safety monitoring system, the first control end of the control and safety monitoring system is connected to the controlled end of the inversion and energy consumption braking module, the first output end of the inversion and energy consumption braking module is connected to the driving end of the hoisting motor, the second output end of the inversion and energy consumption braking module is connected to the driving end of the slewing motor, and the third output end of the inversion and energy consumption braking module is connected to the driving end of the luffing motor; Among them, the motor control, logic control, and safety monitoring of the hoisting mechanism, slewing mechanism, and luffing mechanism are all integrated in the control and safety monitoring system; The control and safety monitoring system is used to collect information of the hoisting mechanism, slewing mechanism, and luffing mechanism. Among them, the information includes limit information, and the limit information includes at least one of torque limit, weight limit, height limit, amplitude limit, and slewing limit. It collects the operating state information of the hoisting motor, the slewing motor, and the luffing motor, and controls the operating parameters of the hoisting motor, the slewing motor, and the luffing motor according to the information and the operating state information.

2. The tower crane variable frequency integrated controller according to claim 1, characterized in that, The tower crane variable frequency integrated controller further includes a motor brake module; The second control end of the control and safety monitoring system is connected to the input end of the motor brake module. The first output end of the motor brake module is connected to the braking end of the hoisting motor, the second output end of the motor brake module is connected to the braking end of the slewing motor, and the third output end of the motor brake module is connected to the braking end of the luffing motor.

3. The tower crane variable frequency integrated controller according to claim 1, characterized in that The tower crane variable frequency integrated controller further includes a pin shaft sensor; The pin shaft sensor is used to obtain the load weight of the hoisting mechanism and send the load weight of the hoisting mechanism to the control and safety monitoring system; The control and safety monitoring system is used to obtain the load weight of the hoisting mechanism sent by the pin shaft sensor and control the operating parameters of the hoisting motor, the slewing motor, and the luffing motor according to the load weight of the hoisting mechanism.

4. The tower crane variable frequency integrated controller according to claim 1, wherein The tower crane variable frequency integrated controller further includes an anemometer; The anemometer is used to obtain the current wind speed state and send the current wind speed state to the control and safety monitoring system; The control and safety monitoring system is used to obtain the current wind speed state sent by the anemometer and control the operating parameters of the hoisting motor, the slewing motor, and the luffing motor according to the current wind speed state.

5. The tower crane variable frequency integrated controller according to claim 1, characterized in that, The tower crane variable frequency integrated controller further includes a hoisting encoder, a slewing encoder, and a luffing encoder; The hoisting encoder is used to monitor the operating state information of the hoisting motor and send the operating state information of the hoisting motor to the control and safety monitoring system; The rotary encoder is used to monitor the operating status information of the rotary motor and send the operating status information of the rotary motor to the control and safety monitoring system; The luffing encoder is used to monitor the operating status information of the luffing motor and send the operating status information of the luffing motor to the control and safety monitoring system; The control and safety monitoring system is used to obtain the operating status information of the hoisting motor sent by the hoisting encoder, the operating status information of the rotary motor sent by the rotary encoder, and the operating status information of the luffing motor sent by the luffing encoder, and control the operating parameters of the hoisting motor, the rotary motor, and the luffing motor according to the operating status information of the hoisting motor, the operating status information of the rotary motor, and the operating status information of the luffing motor.

6. The tower crane variable frequency integrated controller according to claim 1, characterized in that The tower crane variable frequency integrated controller further includes a linkage console; The linkage console is used to obtain a control command and send the control command to the control and safety monitoring system; The control and safety monitoring system is used to obtain the control command sent by the linkage console and control the operating parameters of the hoisting motor, the rotary motor, and the luffing motor according to the control command; The control and safety monitoring system is further used to obtain status feedback information and send the status feedback information to the linkage console; The linkage console is further used to obtain the status feedback information sent by the control and safety monitoring system.

7. The tower crane variable frequency integrated controller according to claim 1, wherein The tower crane variable frequency integrated controller further includes a human-machine interface; The human-machine interface is used to obtain input parameters and send the input parameters to the control and safety monitoring system; The control and safety monitoring system is used to obtain the input parameters sent by the human-machine interface and control the operation of the hoisting motor, the rotary motor, and the luffing motor according to the input parameters.

8. The tower crane variable frequency integrated controller according to claim 1, characterized in that The tower crane variable frequency integrated controller further includes a remote monitoring module; The control and safety monitoring system is used to obtain the operating status information of the hoisting motor, the operating status information of the rotary motor, and the operating status information of the luffing motor and send the operating status information of the hoisting motor, the operating status information of the rotary motor, and the operating status information of the luffing motor to the remote monitoring module; The remote monitoring module is used to obtain the operating status information of the hoisting motor, the operating status information of the rotary motor, and the operating status information of the luffing motor sent by the control and safety monitoring system; The remote monitoring module is further used to obtain remote input parameters and send the remote input parameters to the control and safety monitoring system; The control and safety monitoring system is further used to obtain the remote input parameters sent by the remote monitoring module and control the operation of the hoisting motor, the rotary motor, and the luffing motor according to the remote input parameters.

9. The tower crane variable frequency integrated controller according to claim 1, characterized in that, The tower crane variable frequency integrated controller further includes a data storage module; The control and safety monitoring system is used to obtain input / output data, the operating status information of the hoisting motor, the operating status information of the slewing motor, and the operating status information of the luffing motor, and send the input / output data, the operating status information of the hoisting motor, the operating status information of the slewing motor, and the operating status information of the luffing motor to the data storage module; The data storage module is used to obtain the input / output data, the operating status information of the hoisting motor, the operating status information of the slewing motor, and the operating status information of the luffing motor sent by the control and safety monitoring system, and record them.

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