CN216583877U - Crane health management monitoring and early warning device - Google Patents

Abstract

The utility model relates to a crane health management monitoring and early warning device, which comprises a power supply circuit for supplying power, a main control circuit, a switching value input circuit, a switching value output circuit, an analog value input circuit, a 485 communication circuit, a storage circuit, an audible and visual alarm circuit, a display screen, a voltage and current monitoring interface, a switching value output interface and a key input circuit, wherein the switching value input circuit, the switching value output circuit, the analog value input circuit, the 485 communication circuit, the storage circuit, the audible and visual alarm circuit, the display screen, the voltage and current monitoring interface, the switching value output interface and the key input circuit are electrically connected with the main control circuit; the 485 communication circuit is also connected with a 4G module, and the 4G module can be connected to a cloud server; the utility model relates to a crane health management monitoring and early warning device integrating monitoring, statistics and data uploading, which can be connected with three-phase voltage through a voltage monitoring interface and a current monitoring interface, and can also be connected with sensors and other sensing devices for monitoring various aspects of a crane through a switching value input module and an analog value input module, so as to achieve the purpose of monitoring the action state, the action time and the lifting capacity of various mechanisms of the crane.

Description

Crane health management monitoring and early warning device

Technical Field

The utility model belongs to the technical field of crane safety monitoring, and particularly relates to a crane health management monitoring and early warning device.

Background

The crane belongs to a kind of hoisting machinery, which is a kind of machinery that does cycle, intermittent motion. The method comprises the following steps that various types of cranes are common, such as an electric single-beam crane, a double-beam crane, a gantry crane, a bridge girder erection machine, a double-girder gantry crane and the like, for a large-scale crane, because an operator cannot observe each direction of the crane through naked eyes during operation, the crane needs to be assisted to operate by a crane monitoring system, and the state of the crane is displayed on a central control console; however, the monitoring coverage of the existing crane monitoring system is not comprehensive enough, and the centralized management of the crane condition is not convenient.

SUMMERY OF THE UTILITY MODEL

The utility model aims to overcome the defects in the prior art and provide a crane health management monitoring and early warning device.

The technical scheme of the utility model is as follows:

a crane health management monitoring and early warning device comprises a power supply circuit for supplying power, a main control circuit, a switching value input circuit, a switching value output circuit, an analog value input circuit, a 485 communication circuit, a storage circuit, an audible and visual alarm circuit, a display screen, a voltage and current monitoring interface, a switching value output interface and a key input circuit, wherein the switching value input circuit, the switching value output circuit, the analog value input circuit, the 485 communication circuit, the storage circuit, the audible and visual alarm circuit, the display screen, the voltage and current monitoring interface, the switching value output interface and the key input circuit are electrically connected with the main control circuit; the 485 communication circuit is also connected with a 4G module, and the 4G module can be connected to a cloud server; the master control circuit comprises a master control chip, the master control chip is further connected with a real-time clock chip, and the model of the real-time clock chip is BL 8025T.

Further, switching value input circuit includes 10 switching value input subcircuits, switching value input subcircuit includes opto-coupler U14, resistance R88, resistance R89, the negative pole of opto-coupler U14's luminous end is connected with the switching value and inserts the mouth, VCC12 voltage source is connected through resistance R88 to the positive pole of opto-coupler U14's luminous end, the one end ground connection of opto-coupler U14's photic end, the other end is connected to an IO pin of main control chip through resistance R89.

Further, the analog input circuit includes an analog-to-digital converter U4, two schottky diodes D3X, two magnetic beads FBX and an analog input interface, a DOUT pin and a PD _ SCK pin of the analog-to-digital converter U4 are respectively connected to an IIC communication pin of the main control chip through one schottky diode D3X, and an AIN-pin and an AIN + pin of the analog-to-digital converter U4 are respectively connected to the analog input interface through one magnetic bead FBX.

Further, the 485 communication circuit comprises an isolated 485 transceiver U9, a fuse F3, a fuse F4, a discharge tube GDT1 and a two-wire 485 communication interface P2, two ends of the two-wire 485 communication interface are respectively connected to a pin A and a pin B of the isolated 485 transceiver U9 through the fuse F3 and the fuse F4, an RO pin, an RE pin, a DE pin and a DI pin of the isolated 485 transceiver U9 are connected to corresponding pins of a main control chip, and the discharge tube GDT1 is connected in parallel with the two-wire 485 communication interface P2.

Further, the main control chip adopts GD32F103RCT6 singlechip or STM32F103RCT6 singlechip, voltage current monitoring interface connection is to the SPI four-wire system pin of main control chip, switching value output interface connection main control chip's IO pin.

Further, the sound and light alarm circuit comprises a sound output circuit and a light output circuit, the sound output circuit sends out sound warning through a buzzer LS1 driven by a triode Q1, and the light output circuit sends out light warning through a light emitting diode D5 connected with one IO pin of the main control chip.

Furthermore, the key circuit comprises 4 keys, and the configuration of system parameters is realized through key selection, input and the cooperation with the display screen.

Further, the storage circuit comprises a real-time storage circuit and a Flash circuit, the real-time storage circuit stores real-time data by adopting an MB85RC16 chip, and the real-time data can be output to the 4G module through an RS485 communication circuit and can be uploaded to cloud services; and the inside of the Flash circuit adopts a W25Q16DVSSIGTR chip to store the configured system configuration parameters.

Further, the power supply circuit comprises a first voltage stabilizing circuit based on a UMW78M05 power supply chip and a second voltage stabilizing circuit based on an LD1117-3.3 power supply chip, wherein the first voltage stabilizing circuit is used for providing a VCC5 voltage source, the second voltage stabilizing circuit is used for providing a VCC3.3 voltage source, and a linear voltage stabilizing circuit in the prior art can be adopted for voltage reduction and power supply.

Compared with the prior art, the utility model has the beneficial effects that:

the utility model relates to a crane health management monitoring and early warning device integrating monitoring, statistics and data uploading, which can be connected with three-phase voltage through a voltage monitoring interface and a current monitoring interface, and can also be connected with sensors and other sensing devices for monitoring various aspects of a crane through a switching value input module and an analog value input module, so that the purposes of monitoring the action state, the action time and the lifting capacity of each mechanism of the crane are achieved, and meanwhile, an alarm is sent to local workers in time according to an early warning signal of a cloud server.

Drawings

FIG. 1 is a simplified connection diagram of an embodiment of the present invention.

Fig. 2 is a schematic circuit diagram of a switching value input sub-circuit according to an embodiment of the present invention.

Fig. 3 is a schematic circuit diagram of an analog input circuit according to an embodiment of the present invention.

Fig. 4 is a circuit schematic diagram of a 485 communication circuit according to an embodiment of the utility model.

Fig. 5 is a circuit schematic diagram of a master control circuit according to an embodiment of the present invention.

Fig. 6 is a schematic circuit diagram of a display panel according to an embodiment of the utility model.

Fig. 7 is a circuit schematic diagram of an acousto-optic alarm circuit according to an embodiment of the utility model.

Fig. 8 is a schematic circuit diagram of a key input circuit according to an embodiment of the utility model.

Fig. 9 is a schematic circuit diagram of the voltage/current monitoring interface and the switching value output interface according to the embodiment of the present invention.

FIG. 10 is a schematic diagram of a connection according to an embodiment of the present invention.

In the figure, a main control circuit-1, a power circuit-2, a Flash circuit-3, a real-time clock chip-4, a display screen-5, a key input circuit-6, a real-time storage circuit-7, a 485 communication circuit-8, a switching value input circuit-9, an acousto-optic alarm circuit-10, an analog value input circuit-11, a switching value output interface-12 and a voltage and current monitoring interface-13.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

As shown in fig. 1 to 10, a crane health management monitoring and early warning device comprises a power supply circuit 2 for supplying power, a main control circuit 1, and a switching value input circuit 9, a switching value output circuit, an analog input circuit 11, a 485 communication circuit 8, a storage circuit, an audible and visual alarm circuit 10, a display screen 5, a voltage and current monitoring interface 13, a switching value output interface 12 and a key input circuit 6 which are electrically connected with the main control circuit 1; the 485 communication circuit 8 is also connected with a 4G module, and the 4G module can be connected to a cloud server; the master control circuit 1 comprises a master control chip, the master control chip is also connected with a real-time clock chip 4, and the model of the real-time clock chip 4 is BL 8025T;

the main control chip of the embodiment collects switching value input, analog value input and voltage and current monitoring input, so that the state and the working time of the crane are counted, early warning and alarming are carried out according to system configuration parameters, the alarming is carried out in real time through light output and sound output, and system data can be uploaded to a cloud server through 485 communication and a 4G module; when the device is used, all circuits are integrated on a circuit board, and connecting terminals or sockets are reserved for all interfaces;

the device can monitor information such as various action time and lifting capacity of the crane and timely send an alarm to local workers according to the early warning signal of the cloud server.

Further, as shown in fig. 2, the switching value input circuit 9 includes 10 switching value input sub-circuits, the switching value input sub-circuit includes an optocoupler U14, a resistor R88, and a resistor R89, a cathode of a light emitting end of the optocoupler U14 is connected to a switching value access port, an anode of a light emitting end of the optocoupler U14 is connected to a VCC12 voltage source through a resistor R88, an emitter of a light receiving end of the optocoupler U14 is grounded, and a collector is connected to an IO pin of the main control chip through a resistor R89; meanwhile, the light receiving end of the optocoupler U14 is also connected with an indicator lamp D8, the indicator lamp D8 is connected with a resistor R29 in series and then connected with a resistor R25 in parallel and then connected between a VCC3.3 voltage source and the collector of the light receiving end of the optocoupler U14, and the optocoupler can realize electrical isolation and noise and interference filtering between circuits while transmitting switching value signals; the optocoupler U14 may be of the type UMW 817C-S.

Further, as shown in fig. 3, the analog input circuit 11 includes an analog-to-digital converter U4, two schottky diodes D3X, two magnetic beads FBX and an analog input interface, a DOUT pin and a PD _ SCK pin of the analog-to-digital converter U4 are respectively connected to an IIC communication pin of the main control chip through one schottky diode D3X, and an AIN-pin and an AIN + pin of the analog-to-digital converter U4 are respectively connected to the analog input interface through one magnetic bead FBX; the analog-to-digital converter U4 can adopt TM 7711; the two Schottky diodes are Schottky diodes D31 and D32 respectively, and the two magnetic beads are FB3 and FB4 respectively, and the design of the magnetic beads reduces high-frequency noise and spike interference from an analog input interface.

Further, as shown in fig. 4 and 5, the 485 communication circuit 8 includes an isolated 485 transceiver U9, a fuse F3, a fuse F4, a discharge tube GDT1, and a two-wire 485 communication interface P2, two ends of the two-wire 485 communication interface are connected to an a pin and a B pin of the isolated 485 transceiver U9 through the fuse F3 and the fuse F4, respectively, an RO pin, a RE pin, a DE pin, and a DI pin of the isolated 485 transceiver U9 are connected to corresponding pins of a main control chip, and the discharge tube GDT1 is connected in parallel with the two-wire 485 communication interface P2 for lightning protection; the fuse F3 is also connected with a fuse F1 in parallel, the fuse F4 is also connected with a fuse F2 in parallel, the maximum working voltage of the fuse F1 and the fuse F2 is 250V, the rated current is 0.12A, the maximum working voltage of the fuse F3 and the fuse F4 is 60V, and the rated current is 0.12A, and two different fuses are arranged to facilitate rapid protection element switching in different application environments so as to adapt to the working environment; the 485 communication circuit 8 is internally provided with TVS diodes to solve the overvoltage problem caused by transient interference of the circuit, so that the safety and the reliability of electronic equipment are improved, and the TVS diodes comprise three TVS diodes connected between the 485 transceiver U9 and a fuse; the isolated 485 transceiver U9 may be model CA-IS 3082W.

Further, as shown in fig. 1, fig. 5, and fig. 9, the main control chip adopts a GD32F103RCT6 single chip microcomputer or an STM32F103RCT6 single chip microcomputer, and the voltage and current monitoring interface 13 is connected to an SPI four-wire system pin of the main control chip, specifically, a pin 33, a pin 34, a pin 35, and a pin 36 of the main control chip; the switching value output interface 12 is connected with an IO pin, specifically a pin 37, a pin 38, a pin 39, and a pin 40, of the main control chip, and sends monitoring data of voltage and current to the main control chip through an external current measurement module based on an ATT7022 three-phase electric energy special metering chip, specifically, three-phase voltage and three-phase current of the crane motor are monitored.

Further, as shown in fig. 5 and 7, the sound and light alarm circuit 10 includes a sound output circuit and a light output circuit, the sound output circuit sends out a sound alarm through a buzzer LS1 driven by a transistor Q1, and the light output circuit sends out a light alarm through a light emitting diode D5 connected to one IO pin of the main control chip; in fig. 7, the upper circuit is an acoustic output circuit, and the lower circuit is an optical output circuit.

Further, as shown in fig. 8, the key circuit includes 4 keys, and the configuration of the system parameters is realized through key selection, input and cooperation with the display screen 5; the storage circuit comprises a real-time storage circuit 7 and a Flash circuit 3, the real-time storage circuit 7 stores real-time data by adopting an MB85RC16 chip, and the real-time data can be output to the 4G module through an RS485 communication circuit 8 and can be uploaded to cloud services; the Flash circuit 3 stores the configured system configuration parameters by adopting a W25Q16DVSSIGTR chip.

Further, the power circuit 2 includes a first voltage stabilizing circuit based on a UMW78M05 power chip and a second voltage stabilizing circuit based on an LD1117-3.3 power chip, where the first voltage stabilizing circuit is configured to provide a VCC5 voltage source, and the second voltage stabilizing circuit is configured to provide a VCC3.3 voltage source, and a linear voltage stabilizing circuit in the prior art may also be used for voltage reduction and power supply.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that various changes in the embodiments and/or modifications of the utility model can be made, and equivalents and modifications of some features of the utility model can be made without departing from the spirit and scope of the utility model.

Claims (6)

1. The utility model provides a hoist health management monitoring early warning device which characterized in that: the device comprises a power supply circuit (2) for supplying power, a master control circuit (1), a switching value input circuit (9), a switching value output circuit, an analog input circuit (11), a 485 communication circuit (8), a storage circuit, an audible and visual alarm circuit (10), a display screen (5), a voltage and current monitoring interface (13), a switching value output interface (12) and a key input circuit (6), wherein the switching value input circuit (9), the switching value output circuit, the analog input circuit, the 485 communication circuit (8), the storage circuit, the audible and visual alarm circuit (10) are electrically connected with the master control circuit (1); the 485 communication circuit (8) is also connected with a 4G module, and the 4G module can be connected to a cloud server; the master control circuit (1) comprises a master control chip, and the master control chip is also connected with a real-time clock chip (4).

2. The crane health management monitoring and early warning device as claimed in claim 1, wherein: switching value input circuit (9) include 10 switching value input subcircuits, switching value input subcircuit includes opto-coupler U14, resistance R88, resistance R89, the negative pole of opto-coupler U14's luminous end is connected with the switching value and inserts the mouth, VCC12 voltage source is connected through resistance R88 to the positive pole of opto-coupler U14's luminous end, the one end ground connection of opto-coupler U14's photic end, the other end is connected to an IO pin of main control chip through resistance R89.

3. The crane health management monitoring and early warning device as claimed in claim 1, wherein: the analog input circuit (11) comprises an analog-to-digital converter U4, two Schottky diodes D3X, two magnetic beads FBX and an analog input interface, a DOUT pin and a PD _ SCK pin of the analog-to-digital converter U4 are respectively connected to an IIC communication pin of the main control chip through one Schottky diode D3X, and an AIN-pin and an AIN + pin of the analog-to-digital converter U4 are respectively connected to the analog input interface through one magnetic bead FBX.

4. The crane health management monitoring and early warning device as claimed in claim 1, wherein: the 485 communication circuit (8) comprises an isolated 485 transceiver U9, a fuse F3, a fuse F4, a discharge tube GDT1 and a two-wire 485 communication interface P2, two ends of the two-wire 485 communication interface are respectively connected to a pin A and a pin B of the isolated 485 transceiver U9 through the fuse F3 and the fuse F4, an RO pin, a RE pin, a DE pin and a DI pin of the isolated 485 transceiver U9 are connected to corresponding pins of a main control chip, and the discharge tube GDT1 is connected with the two-wire 485 communication interface P2 in parallel.

5. The crane health management monitoring and early warning device as claimed in claim 1, wherein: the main control chip adopts GD32F103RCT6 singlechip or STM32F103RCT6 singlechip, voltage current monitor interface (13) are connected to the SPI four-wire system pin of main control chip, switching value output interface (12) connect the IO pin of main control chip.

6. The crane health management monitoring and early warning device as claimed in claim 1, wherein: the sound and light alarm circuit (10) comprises a sound output circuit and a light output circuit, wherein the sound output circuit sends out sound warning through a buzzer LS1 driven by a triode Q1, and the light output circuit sends out light warning through a light emitting diode D5 connected with an IO pin of the main control chip.

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