CN204588515U - Crane safety intelligent control system - Google Patents
Crane safety intelligent control system Download PDFInfo
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- CN204588515U CN204588515U CN201520279870.7U CN201520279870U CN204588515U CN 204588515 U CN204588515 U CN 204588515U CN 201520279870 U CN201520279870 U CN 201520279870U CN 204588515 U CN204588515 U CN 204588515U
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- frequency converter
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- control system
- remote controllers
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Abstract
The utility model discloses a kind of crane safety intelligent control system, comprise central controller and remote controllers, described central controller receives the control signal of described remote controllers by wireless communication module, the input end group of described central controller is connected with sensor group, this central controller is also connected with frequency converter group by serial communication module, each frequency converter is all connected with electromotor control circuit, described remote controllers send and control signal to described central controller, described central controller according to control signal output drive signal to described frequency converter group, described frequency converter group controls start and stop and the rotating speed of corresponding electrical motor in described motor unit.Its remarkable result is: carry out remote operation by remote controllers to hoisting crane, makes operating personal when operating, and operates, improve traveling comfort and the safety of hoisting operations between the control that need not enter hoisting crane top.
Description
Technical field
The utility model relates to weight-lifting equipment automatic control technology field, specifically, is a kind of crane safety intelligent control system.
Background technology
At present, hoisting crane is widely used in the industries such as Large Infrastructure Projects construction, energy industry, real estate industry, petrochemical industry and shipbuilding industry.Usual hoisting crane is by lifting mechanism (making article up-and-down movement), operating unit (making elevator machinery move), luffing mechanism and swing type mechanism (making article make parallel motion), add metallic magnetism, engine installation, the auxiliary device of maneuvering and control and necessity combines.
But, existing hoisting crane all need operating personal voluntarily or by elevator arrive hoisting crane top control between operate, therefore the working environment of high temperature and heating summer or low temperature severe cold will be stood, and hoisting crane is higher, danger coefficient is also higher, and safety misadventure also happens occasionally, therefore, how realizing the Long-distance Control of high-order hoisting crane, is current problem demanding prompt solution.
Utility model content
For the deficiencies in the prior art, the purpose of this utility model is to provide a kind of crane safety intelligent control system, and this system can carry out remote operation to hoisting crane, thus can improve safety, the traveling comfort of operating personal.
For achieving the above object, the utility model states a kind of crane safety intelligent control system, its key is: comprise central controller and remote controllers, described central controller receives the control signal of described remote controllers by wireless communication module, carry out operation monitoring and the maintenance of equipment, the input end group of described central controller is connected with sensor group, this central controller is also connected with frequency converter group by serial communication module, and each frequency converter is all connected with electromotor control circuit;
Each described electromotor control circuit includes a motor, a drg and a blower fan, the power input access three plase alternating current of described frequency converter, first mouth group of this frequency converter is as the three phase mains feeder ear of described motor, second mouth of described frequency converter is connected in series ground connection after the coil winding of the first relay, the normal open switch of this first relay is serially connected in the power-supplying circuit of described drg, 3rd mouth of described frequency converter is connected in series ground connection after the coil winding of the second relay, the normal open switch of this second relay is serially connected in the power-supplying circuit of described blower fan.
In native system, described sensor group is for obtaining the information such as the position of the height of suspension hook, location information and hoisting crane, described group of motors is for realizing the movement of goods and hoisting crane, and described brake groups is used for braking group of motors, and described blower fan group is used for dispelling the heat to group of motors; Described central controller is used for the control signal being obtained remote controllers by wireless communication module transmission, and according to control signal output drive signal to described frequency converter group, described frequency converter group is for controlling start and stop and the rotating speed of phase induction motor.
In use, sensor group is by the height of the acquisition suspension hook of acquisition, the information transmission such as the position of location information and hoisting crane are to central controller, above-mentioned information is transferred to remote controllers by wireless communication module by central controller, staff operates hoisting crane according to information, namely remote controllers send and control signal to described central controller, then described central controller according to control signal output drive signal to described frequency converter group, described frequency converter group controls start and stop and the rotating speed thereof of phase induction motor, be specially: the start and stop of frequency converter motor according to programming control and rotating speed, by controlling the start and stop of the first Control drg, the start and stop being controlled blower fan by second controller are dispelled the heat to motor.Native system is based on existing crane control system, by remote controllers, remote operation is carried out to hoisting crane, make operating personal when operating, operate between the control that need not enter hoisting crane top, without the need to standing the working environment of high temperature and heating summer or low temperature severe cold, improve traveling comfort and the safety of hoisting operations; In addition, motor is separated with the blower fan of its heat radiation and controls, for existing motor, not only do not affect the heat radiation of motor, and energy-conservation effect can be reached.
Further description, is also connected with monitor at the input end of described central controller, and described central controller also realizes information interaction with execute-in-place device.
By the monitoring state of monitor to each mechanism of hoisting crane, the operation of remote controllers can be made more accurate.
Further describe, described sensor group comprises speed sensor, position transduser and weight sensor.
As preferably, described central controller is PLC, and described serial communication module is RS485 interface.
Remarkable result of the present utility model is: based on existing crane control system, by remote controllers, remote operation is carried out to hoisting crane, make operating personal when operating, operate between the control that need not enter hoisting crane top, without the need to standing the working environment of high temperature and heating summer or low temperature severe cold, improve traveling comfort and the safety of hoisting operations; In addition, motor is separated with its cooling fan and controls, for existing motor, not only do not affect the heat radiation of motor, and energy-conservation effect can be reached.
Accompanying drawing explanation
Fig. 1 is schematic block circuit diagram of the present utility model;
Fig. 2 is the schematic diagram of electromotor control circuit described in the utility model.
Detailed description of the invention
Below in conjunction with accompanying drawing, detailed description of the invention of the present utility model and principle of work are described in further detail.
As shown in Figure 1, a kind of crane safety intelligent control system, comprise central controller and remote controllers, the input end group of this central controller is connected to speed sensor, position transduser and weight sensor, described central controller receives the control signal of described remote controllers by wireless communication module, carry out operation monitoring and the maintenance of equipment, described central controller is connected with frequency converter group by serial communication module, this frequency converter group is by suspension hook frequency converter, cart frequency converter and dolly frequency converter composition, each frequency converter is all connected with electromotor control circuit.
In native system, described sensor group is for obtaining the information such as the position of the height of suspension hook, location information and hoisting crane, described group of motors is for realizing the movement of goods and hoisting crane, and described brake groups is used for braking group of motors, and described blower fan group is used for dispelling the heat to group of motors; Described central controller is used for the control signal being obtained remote controllers by wireless communication module transmission, and according to control signal output drive signal to described frequency converter group, described frequency converter group is for controlling start and stop and the rotating speed of phase induction motor.
It can also be seen that from Fig. 1, be also connected with monitor at the input end of described central controller, described central controller also realizes information interaction with execute-in-place device.
In this example, preferred described central controller is PLC, and described serial communication module is RS485 interface.
As shown in Figure 2, each described electromotor control circuit includes a motor M 3, drg M2 and blower fan M1, and wherein drg M2 is made up of two electrical motor M2a and M2b, the U1 of frequency converter described in figure is connected with PLC by RS485 serial ports, one end of protective tube F01 is connected after the power input tandem electric inductance L01 of this frequency converter U1, three plase alternating current is accessed after the other end serial connection circuit breaker Q 10 of protective tube F01, the first mouth group (U of this frequency converter U1, V, W) as the three phase mains feeder ear of described motor M 3, second mouth of described frequency converter U1 is connected in series ground connection after the coil winding of the first relay K 71, the normal open switch of this first relay K 71 is serially connected in the power-supplying circuit of described drg M2, 3rd mouth of described frequency converter U1 is connected in series ground connection after the coil winding of the second relay K 81, the normal open switch of this second relay K 81 is serially connected in the power-supplying circuit of described blower fan M1, described frequency converter U1 also detects the information such as the rotating speed of motor M 3 by input end group, as shown in phantom in FIG..
Its principle of work is: the drive singal that frequency converter U1 is sent by RS485 serial ports reception PLC, and then controls the start and stop of motor M 3 and rotating speed according to drive singal; In addition, frequency converter U1, also according to the opening and closing of the normal open switch of drive singal control relay K71 and relay K 81, controls beginning of power circuit of blower fan M1, drg M2, thus realizes the on off control to blower fan M1, drg M2.
Claims (5)
1. a crane safety intelligent control system, it is characterized in that: comprise central controller and remote controllers, described central controller receives the control signal of described remote controllers by wireless communication module, the input end group of described central controller is connected with sensor group, this central controller is also connected with frequency converter group by serial communication module, and each frequency converter is all connected with electromotor control circuit;
Each described electromotor control circuit includes a motor, a drg and a blower fan, the power input access three plase alternating current of described frequency converter, first mouth group of this frequency converter is as the three phase mains feeder ear of described motor, second mouth of described frequency converter is connected in series ground connection after the coil winding of the first relay, the normal open switch of this first relay is serially connected in the power-supplying circuit of described drg, 3rd mouth of described frequency converter is connected in series ground connection after the coil winding of the second relay, the normal open switch of this second relay is serially connected in the power-supplying circuit of described blower fan.
2. crane safety intelligent control system according to claim 1, is characterized in that: be also connected with monitor at the input end of described central controller, described central controller also realizes information interaction with execute-in-place device.
3. crane safety intelligent control system according to claim 1, is characterized in that: described frequency converter group comprises suspension hook frequency converter, cart frequency converter and dolly frequency converter.
4. crane safety intelligent control system according to claim 1, is characterized in that: described sensor group comprises speed sensor, position transduser and weight sensor.
5. crane safety intelligent control system according to claim 1, is characterized in that: described central controller is PLC, and described serial communication module is RS485 interface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520279870.7U CN204588515U (en) | 2015-05-04 | 2015-05-04 | Crane safety intelligent control system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520279870.7U CN204588515U (en) | 2015-05-04 | 2015-05-04 | Crane safety intelligent control system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204588515U true CN204588515U (en) | 2015-08-26 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520279870.7U Expired - Fee Related CN204588515U (en) | 2015-05-04 | 2015-05-04 | Crane safety intelligent control system |
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| Country | Link |
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| CN (1) | CN204588515U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105523479A (en) * | 2016-01-12 | 2016-04-27 | 南开大学 | Bridge crane electrical control system based on PLC (Programmable Logic Controller) and variable frequency motor |
| CN115385244A (en) * | 2022-07-28 | 2022-11-25 | 广州起重机械有限公司 | Automatic crane control system based on 5G network and method thereof |
-
2015
- 2015-05-04 CN CN201520279870.7U patent/CN204588515U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105523479A (en) * | 2016-01-12 | 2016-04-27 | 南开大学 | Bridge crane electrical control system based on PLC (Programmable Logic Controller) and variable frequency motor |
| CN105523479B (en) * | 2016-01-12 | 2017-07-18 | 南开大学 | Overhead crane electric control system based on PLC and variable-frequency motor |
| CN115385244A (en) * | 2022-07-28 | 2022-11-25 | 广州起重机械有限公司 | Automatic crane control system based on 5G network and method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150826 Termination date: 20180504 |