Intelligent monitoring alarm for safety of rotation brake of tower crane

Abstract

The utility model relates to the technical field of construction tower cranes, in particular to a tower crane rotation brake safety intelligent monitoring alarm which comprises a signal input unit, a data judgment system and a control output unit, the signal input unit is electrically connected with the data judgment system, and the control output unit is electrically connected with the data judgment system. The data judgment system is electrically connected with the control output unit; wherein the signal input unit is used for receiving a brake feedback signal, a brake release signal and a main power cut-off signal of the rotary brake, and the data judgment system is used for monitoring and displaying the brake state of an electromagnetic valve of the rotary brake. And the control output unit is used for judging the information of the system according to the data, outputting the braking state of the rotary brake by voice and carrying out voice alarm and prompt. The method has the effect of reducing the possibility of major safety accidents in construction.

Description

Technical Field

[0001] This utility model relates to the technical field of construction tower cranes, and in particular to an intelligent monitoring and alarm device for tower crane slewing brake safety. Background Technology

[0002] Tower cranes are a common type of lifting equipment used on construction sites to lift and transport raw materials needed for construction. After tower crane operations are completed, according to safety operating procedures, the slewing brake must be released first, and the solenoid valve must be monitored to ensure that it is released. Only after confirming that the solenoid valve is released should the main power supply be cut off. However, currently, there is a lack of supervision and alarm prompts for this procedure during tower crane operation. If the slewing brake is not released before the main power supply is cut off, it may cause major safety accidents such as tower crane collapse in the event of strong winds or typhoons, resulting in significant loss of life and property. Traditional tower crane operation control systems cannot fundamentally solve the above problems and urgently need to be addressed. Utility Model Content

[0003] To address the shortcomings of the existing technology, this application provides a smart monitoring and alarm device for tower crane slewing brake safety.

[0004] The above-mentioned inventive objective of this application is achieved through the following technical solutions:

[0005] A tower crane slewing brake safety intelligent monitoring and alarm device includes a signal input unit, a data judgment system, and a control output unit. The signal input unit is electrically connected to the data judgment system, and the data judgment system is electrically connected to the control output unit.

[0006] The signal input unit is used to receive the braking feedback signal, braking release signal and main power cut-off signal of the slewing brake; the data judgment system is used to monitor and display the braking status of the solenoid valve of the slewing brake; and the control output unit is used to output the braking status of the slewing brake and provide voice alarms and prompts based on the information from the data judgment system.

[0007] Preferably, the data judgment system includes a power supply voltage control and detection unit electrically connected to the power supply of the distribution box, and the power supply voltage control and detection unit is electrically connected to both the signal input unit and the control output unit.

[0008] Preferably, the data judgment system further includes a CPU data acquisition and judgment unit, which is electrically connected to the power supply voltage control and detection unit and electrically connected to the control output unit. The CPU data acquisition and judgment unit includes LEDs D1, D2, and D3, resistors R1, R2, and R3, and a microcontroller U1.

[0009] In this configuration, pin 1 of microcontroller U1 is connected to LEDs D1, D2, and D3; pin 2 of microcontroller U1 is grounded; pin 7 of microcontroller U1 is connected to one end of resistor R1, and the other end of resistor R1 is connected to LED D3; pin 8 of microcontroller U1 is connected to one end of resistor R2, and the other end of resistor R2 is connected to LED D2; pin 9 of microcontroller U1 is connected to one end of resistor R3, and the other end of resistor R3 is connected to LED D1.

[0010] Preferably, the signal input unit includes resistors R17, R18, R22, R25, R30, R31, isolation optocoupler U3, isolation optocoupler U4, and isolation optocoupler U8.

[0011] Among them, resistor R17 is connected to the anode of isolation optocoupler U3, the cathode of isolation optocoupler U3 is grounded, resistor R18 is connected to the collector of isolation optocoupler U3, the collector of isolation optocoupler U3 is connected to pin 31 of microcontroller U1, and the emitter of isolation optocoupler U3 is grounded, resistor R22 is connected to the anode of isolation optocoupler U4, the cathode of isolation optocoupler U4 is grounded, resistor R25 is connected to the collector of isolation optocoupler U4, the collector of isolation optocoupler U4 is connected to pin 32 of microcontroller U1, and the emitter of isolation optocoupler U4 is grounded, resistor R30 is connected to the anode of isolation optocoupler U8, the cathode of isolation optocoupler U8 is grounded, resistor R31 is connected to the collector of isolation optocoupler U8, the collector of isolation optocoupler U8 is connected to pin 33 of microcontroller U1, and the emitter of isolation optocoupler U8 is grounded.

[0012] Preferably, the control output unit includes resistors R4, R5, R6, R7, R8, R9, R10, and R11, a voice chip U2, three-pole switching transistors Q1, Q2, and Q3, and control relays K1, K2, and K3.

[0013] In this configuration, one end of control relay K1 is connected to the emitter of transistor Q1, the collector of transistor Q1 is grounded, and the base of transistor Q1 is connected to one end of resistor R4. The other end of resistor R4 is connected to pin 15 of microcontroller U1. One end of control relay K2 is connected to the emitter of transistor Q2, the collector of transistor Q2 is grounded, and the base of transistor Q2 is connected to one end of resistor R5. The other end of resistor R5 is connected to pin 16 of microcontroller U1. One end of control relay K3 is connected to the emitter of transistor Q3, the collector of transistor Q3 is grounded, and the base of transistor Q3 is connected to one end of resistor R6. The other end of resistor R6 is connected to pin 17 of microcontroller U1. Pin 22 is connected to one end of resistor R7. The other end of resistor R7 is connected to pin 12 of voice chip U2. Pin 21 of microcontroller U1 is connected to one end of resistor R8. The other end of resistor R8 is connected to pin 13 of voice chip U2. Pin 20 of microcontroller U1 is connected to one end of resistor R9. The other end of resistor R9 is connected to pin 14 of voice chip U2. Pin 19 of microcontroller U1 is connected to one end of resistor R10. The other end of resistor R10 is connected to pin 15 of voice chip U2. Pin 18 of microcontroller U1 is connected to one end of resistor R11. The other end of resistor R11 is connected to pin 16 of voice chip U2. Pins 11 and 12 of voice chip U2 are connected to speaker LS1. Pin 4 of voice chip U2 is grounded.

[0014] Preferably, the tower crane slewing brake safety intelligent monitoring and alarm device further includes a status alarm unit and an IoT smart gateway. The status alarm unit is electrically connected to the data judgment system, and the status alarm unit is electrically connected to the IoT smart gateway. The IoT smart gateway is wirelessly connected to the IoT cloud through a built-in antenna.

[0015] Preferably, the status alarm unit includes a violation signal audible and visual alarm and remote alarm antenna transmitting unit composed of a 4G network module chip U7, a capacitor C13, an input connector JP1, an output connector JP2, and a 5V power supply; the IoT smart gateway includes a 4G module interface.

[0016] Among them, one end of capacitor C13 is connected to a 5V power supply and the other end is grounded. The 5V power supply is connected to the 4G network chip U7. The 4G network module chip U7 is connected between the input connector JP1 and the output connector JP2. The input connector JP1 is connected to the input terminal J1 of the 4G module interface. The output connector JP2 is connected to the output terminal J2 of the 4G module interface. Pin 4 of the output terminal J2 of the 4G module interface is grounded. Pin 3 of the input terminal J1 of the 4G module interface is connected to pin 28 of the microcontroller U1. Pin 4 of the input terminal J1 of the 4G module interface is connected to pin 27 of the microcontroller U1.

[0017] In summary, this application includes at least one of the following beneficial technical effects:

[0018] 1. When the control console is powered on, the data judgment system of this invention first monitors the looseness of the slewing brake solenoid valve through the power supply voltage control and detection unit, and displays and informs the status through the CPU data acquisition and judgment unit and intelligent voice. When the control console is operated by buttons, the CPU data acquisition and judgment unit filters and converts the signal received by the signal input unit to determine whether the signal input after button operation matches the voltage control and the status of the slewing brake solenoid valve monitored by the detection unit. Then, the control output unit outputs the current braking status of the slewing brake through voice according to the judgment result of the data judgment system, and provides voice alarms and prompts for operations that do not comply with the tower crane safety operation procedures. This invention can monitor the tower crane slewing brake solenoid valve and provide voice broadcasts of the solenoid valve status to the staff during operation, and provide alarms and prompts for violations, thereby reducing the possibility of major construction safety accidents.

[0019] This utility model, through the configuration of LEDs D1, D2, D3, resistors R1, R2, R3 and microcontroller U1 in the CPU data acquisition and judgment unit, can display the status of the rotary brake through LEDs D1, D2 and D3 for the operator to observe and provide visual prompts for the operator's operation.

[0020] This invention, through the configuration of resistors R4, R5, R6, R7, R8, R9, R10, and R11 in the control output unit, as well as voice chip U2, speaker LS1, three-pole switches Q1, Q2, and Q3, and control relays K1, K2, and K3, enables voice alarms and prompts to be achieved by controlling the switching of voice chip U2 and speaker LS1 in conjunction with the switching of three-pole switches Q1, Q2, and Q3.

[0021] 4. This utility model, through the cooperation of a status alarm unit, an IoT smart gateway, and an antenna, enables the alarm to transmit the judgment data collected by the CPU data acquisition and judgment unit to the IoT cloud. Users can use the IoT to monitor and manage via mobile APP, WeChat official account, SMS, telephone, or remote PC to promptly detect violations, handle potential dangers, prevent the situation from escalating, and prevent disasters before they occur. Attached Figure Description

[0022] Figure 1 This is a schematic diagram of the system structure of the intelligent monitoring and alarm device for tower crane slewing brake safety in this application;

[0023] Figure 2 This is a schematic diagram of the circuit structure of the power supply voltage control and detection unit in this application;

[0024] Figure 3 This is a schematic diagram of the circuit structure of the CPU data acquisition and judgment unit in this application;

[0025] Figure 4 This is a schematic diagram of the circuit structure of the signal input unit in this application;

[0026] Figure 5 This is a schematic diagram of the circuit structure of the control output unit in this application;

[0027] Figure 6 This is a schematic diagram of the circuit structure of the status alarm unit in this application. Detailed Implementation

[0028] The following description, in conjunction with the accompanying drawings, illustrates exemplary embodiments of this application, including various details to aid understanding. These should be considered merely exemplary. Therefore, those skilled in the art will recognize that various changes and modifications can be made to the embodiments described herein without departing from the scope and spirit of this application. Similarly, for clarity and brevity, descriptions of well-known functions and structures are omitted in the following description.

[0029] It should be noted that the terms "first," "second," etc., used in this utility model are used to distinguish similar objects and are not necessarily used to describe a specific order or sequence. It should be understood that such data can be interchanged where appropriate so that the embodiments of this disclosure described herein can be implemented in orders other than those illustrated or described herein. The implementation methods described in the following exemplary embodiments do not represent all implementation methods consistent with this disclosure.

[0030] Furthermore, the term "and / or" in this article is merely a description of the relationship between related objects, indicating that three relationships can exist. For example, A and / or B can represent: A existing alone, A and B existing simultaneously, or B existing alone. Additionally, the character " / " in this article, unless otherwise specified, generally indicates that the preceding and following related objects have an "or" relationship.

[0031] The following is a reference appendix. Figure 1 To be continued Figure 6 This application describes a tower crane slewing brake safety intelligent monitoring and alarm device.

[0032] like Figure 1As shown, the tower crane slewing brake safety intelligent monitoring and alarm device includes a signal input unit, a data judgment system, and a control output unit. The signal input unit is electrically connected to the data judgment system, and the data judgment system is electrically connected to the control output unit. The signal input unit is used to receive the braking feedback signal, braking release signal, and main power cut-off signal of the slewing brake. The data judgment system is used to monitor and display the braking status of the solenoid valve of the slewing brake. The control output unit is used to output the braking status of the slewing brake and provide voice alarms and prompts based on the information from the data judgment system.

[0033] The data judgment system includes a power supply voltage control and detection unit electrically connected to the power supply of the distribution box. This unit is electrically connected to both the signal input unit and the control output unit. When the control console is powered on, the system first monitors the looseness of the slewing brake solenoid valve via the power supply voltage control and detection unit. The status is then displayed by the CPU data acquisition and judgment unit and communicated via intelligent voice. When the control console is operated via buttons, the CPU data acquisition and judgment unit filters and converts the signals received by the signal input unit to determine if the input signal matches the status of the slewing brake solenoid valve monitored by the voltage control and detection unit. Based on the judgment results from the data judgment system, the control output unit outputs the current braking status of the slewing brake via voice and provides voice alarms and prompts for operations not performed according to the tower crane safety operating procedures. This system enables monitoring of the tower crane slewing brake solenoid valve during operation and provides voice announcements of the solenoid valve status to personnel. It also provides alarms and prompts for violations, thereby reducing the possibility of major construction safety accidents.

[0034] It should be noted that the power supply voltage control and detection unit can adopt a conventional sampling circuit system available on the market. It can receive power from the distribution box in the control console to connect to the solenoid valve of the tower crane's slewing brake. It can use sensors to collect the voltage values ​​between specified electronic components in the circuit in real time, compare the actual voltage with a preset reference threshold, and thus monitor the status of the device. In this embodiment, as shown... Figure 2As shown, the power supply voltage control and detection unit includes resistors R12, R14, R13, R15, R16, R19, R20, R21, R23, R24, R25, R26, R27, R28, R29, and R32; rectifier diodes D4, D6, D8, D10, D5, and D6; and rectifier diodes D8, D10, D10, D21, D22, and D22. The following components are listed: transistor D7, rectifier diode D9, rectifier diode D11; capacitors C3, C1, C2, C4, C5, C6, C7, C8, C9, C10, C11, C12; reactances L1, L2, L3; integrated circuit U6; optocoupler U5; and transistor D12. These are examples of electronic components in the circuit, and their connections are common knowledge to those skilled in the art, and will not be elaborated upon here.

[0035] Furthermore, the data judgment system also includes a CPU data acquisition and judgment unit, which is electrically connected to the power supply voltage control and detection unit, and electrically connected to the control output unit, such as... Figure 3 As shown, the CPU data acquisition and judgment unit includes LEDs D1, D2, and D3, resistors R1, R2, and R3, and a microcontroller U1. Microcontroller U1 can be an STC32G microcontroller. Pin 1 of microcontroller U1 is connected to LEDs D1, D2, and D3, pin 2 is grounded, pin 7 is connected to one end of resistor R1, and the other end of resistor R1 is connected to LED D3, pin 8 is connected to one end of resistor R2, and the other end of resistor R2 is connected to LED D2, and pin 9 is connected to one end of resistor R3, and the other end of resistor R3 is connected to LED D1. During operation, microcontroller U1 can acquire and judge information from the signal input unit, and LEDs D1, D2, and D3 can display the status of the rotary brake for operator observation, providing visual prompts for operator actions.

[0036] As a preferred option, such as Figure 4As shown, the signal input unit includes resistors R17, R18, R22, R25, R30, R31, isolation optocoupler U3, isolation optocoupler U4, and isolation optocoupler U8. Resistor R17 is connected to the anode of isolation optocoupler U3, and the cathode of isolation optocoupler U3 is grounded. Resistor R18 is connected to the collector of isolation optocoupler U3. The collector of isolation optocoupler U3 is connected to pin 31 of microcontroller U1, and the emitter of isolation optocoupler U3 is grounded. Resistor R22 is connected to the anode of isolation optocoupler U4, and the cathode of isolation optocoupler U4 is grounded. Resistor R25 is connected to the anode of isolation optocoupler U4. The collector of the isolation optocoupler U4 is connected to pin 32 of the microcontroller U1, the emitter of the isolation optocoupler U4 is grounded, resistor R30 is connected to the anode of the isolation optocoupler U8, the cathode of the isolation optocoupler U8 is grounded, resistor R31 is connected to the collector of the isolation optocoupler U8, the collector of the isolation optocoupler U8 is connected to pin 33 of the microcontroller U1, and the emitter of the isolation optocoupler U8 is grounded. This enables the signal input unit to send the received braking feedback signal, braking release signal, and main power cut-off signal from the rotary brake to the microcontroller U1, which in turn sends the signal to the control output unit for status display and voice broadcast.

[0037] As a preferred option, such as Figure 5As shown, the control output unit includes resistors R4, R5, R6, R7, R8, R9, R10, and R11; a voice chip U2; transistors Q1, Q2, and Q3; and control relays K1, K2, and K3. One end of control relay K1 is connected to the emitter of transistor Q1, the collector of transistor Q1 is grounded, and the base of transistor Q1 is connected to one end of resistor R4. The other end of resistor R4 is connected to pin 15 of the microcontroller U1. Control relay K2... One end of the resistor R5 is connected to the emitter of transistor Q2, the collector of transistor Q2 is grounded, the base of transistor Q2 is connected to one end of resistor R5, and the other end of resistor R5 is connected to pin 16 of microcontroller U1. One end of the control relay K3 is connected to the emitter of transistor Q3, the collector of transistor Q3 is grounded, the base of transistor Q3 is connected to one end of resistor R6, the other end of resistor R6 is connected to pin 17 of microcontroller U1, pin 22 of microcontroller U1 is connected to one end of resistor R7, and the other end of resistor R7 is connected to pin 12 of voice chip U2. Pin 21 of microcontroller U1 is connected to one end of resistor R8, and the other end of resistor R8 is connected to pin 13 of voice chip U2. Pin 20 of microcontroller U1 is connected to one end of resistor R9, and the other end of resistor R9 is connected to pin 14 of voice chip U2. Pin 19 of microcontroller U1 is connected to one end of resistor R10, and the other end of resistor R10 is connected to pin 15 of voice chip U2. Pin 18 of microcontroller U1 is connected to one end of resistor R11, and the other end of resistor R11 is connected to pin 16 of voice chip U2. Pins 11 and 12 of voice chip U2 are connected together to a speaker. The speaker LS1 and the pin 4 of the voice chip U2 are grounded. By controlling the settings of resistors R4, R5, R6, R7, R8, R9, R10, and R11 in the output unit, as well as the voice chip U2, speaker LS1, transistors Q1, Q2, and Q3, and control relays K1, K2, and K3, voice alarms and prompts can be realized through the switching control of the voice chip U2 and speaker LS1 in conjunction with the transistors Q1, Q2, and Q3.

[0038] The voice chip U2 can use the MY2480 integrated voice module, paired with the speaker LS1 to achieve audio playback and control.

[0039] Furthermore, the tower crane slewing brake safety intelligent monitoring and alarm device also includes a status alarm unit and an IoT smart gateway. The status alarm unit is electrically connected to the data judgment system, and the status alarm unit is electrically connected to the IoT smart gateway. The IoT smart gateway wirelessly connects to the IoT cloud through its built-in antenna.

[0040] Specifically, such as Figure 6 As shown, the status alarm unit includes a violation signal audible and visual alarm and remote alarm antenna transmitting unit composed of a 4G network module chip U7, a capacitor C13, an input connector JP1, an output connector JP2, and a 5V power supply. The IoT smart gateway includes a 4G module interface. One end of the capacitor C13 is connected to the 5V power supply and the other end is grounded. The 5V power supply is connected to the 4G network chip U7. The 4G network module chip U7 is connected between the input connector JP1 and the output connector JP2. The input connector JP1 is connected to the input terminal J1 of the 4G module interface. The output connector JP2 is connected to the output terminal J2 of the 4G module interface. Pin 4 of the output terminal J2 of the 4G module interface is grounded. Pin 3 of the input terminal J1 of the 4G module interface is connected to pin 28 of the microcontroller U1. Pin 4 of the input terminal J1 of the 4G module interface is connected to pin 27 of the microcontroller U1.

[0041] The 4G network module chip U7 can be a conventional 4G network module chip, such as ML307R or ASR1803.

[0042] Through the cooperation of the status alarm unit, IoT smart gateway, and antenna, the alarm can transmit the judgment data collected by the CPU data acquisition and judgment unit to the IoT cloud. Users can use the IoT to monitor and manage the device via mobile APP, WeChat official account, SMS, telephone, or remote PC to promptly detect violations, handle potential dangers, prevent the situation from escalating, and prevent disasters before they occur.

[0043] This application describes the working principle and usage process of a smart monitoring and alarm device for tower crane slewing brake safety:

[0044] When the control console is powered on, the data judgment system first monitors the looseness of the slewing brake solenoid valve through the power supply voltage control and detection unit. The status is then displayed by the CPU data acquisition and judgment unit and communicated via intelligent voice. When operations are performed via buttons on the control console, the CPU data acquisition and judgment unit filters and converts the signals received by the signal input unit to determine whether the input signal and voltage control match the status of the slewing brake solenoid valve monitored by the detection unit. Then, based on the judgment results of the data judgment system, the control output unit outputs the current braking status of the slewing brake via voice and provides voice alarms and prompts for operations not performed according to the tower crane safety operating procedures. During operation, the system can monitor the tower crane slewing brake solenoid valve and provide voice announcements of the solenoid valve status to personnel, alarming and prompting for violations, thereby reducing the possibility of major construction safety accidents.

[0045] During operation, the system first automatically checks whether the solenoid valve of the slewing brake is released upon startup, providing voice notification and display of its status. It also monitors the button for releasing the solenoid valve, issuing a voice alarm if the button is held down for an extended period (default 6 seconds). Furthermore, it monitors the status of the button for cutting off the main power supply, providing voice notification and display of its status. If the tower crane's safe operating procedures are not followed: ① first release the slewing brake → ② monitor whether the solenoid valve of the slewing brake is released → ③ cut off the main power supply only after confirming the solenoid valve is released, a voice alarm and notification will be issued for the erroneous action of cutting off the main power supply first. Simultaneously, the status parameters will be transmitted to the IoT cloud. Users can utilize the IoT to monitor and manage the system via mobile app, WeChat official account, SMS, telephone, or remote PC, enabling timely detection of violations, prompt handling of potential dangers, prevention of escalation, and proactive disaster prevention.

[0046] The specific embodiments described above do not constitute a limitation on the scope of protection of this application. Those skilled in the art should understand that various modifications, combinations, sub-combinations, and substitutions can be made according to design requirements and other factors. Any modifications, equivalent substitutions, and improvements made within the spirit and principles of this application should be included within the scope of protection of this application.

Claims

1. A tower crane slewing brake safety intelligent monitoring alarm, characterized in that, It comprises a signal input unit, a data judging system and a control output unit, the signal input unit is electrically connected with the data judging system, the data judging system is electrically connected with the control output unit; The signal input unit is used for receiving brake feedback signals, brake release signals and total power cut-off signals of the rotary brake, the data judging system is used for monitoring and displaying the brake state of the electromagnetic valve of the rotary brake, and the control output unit is used for outputting the brake state of the rotary brake and giving voice alarm and prompt according to the information of the data judging system.

2. The tower crane slewing brake safety intelligent monitoring alarm according to claim 1, characterized in that, The data judging system comprises a power voltage control and detection unit which is electrically connected with the power supply of the distribution box, and the power voltage control and detection unit is electrically connected with the signal input unit and the control output unit.

3. The tower crane swing brake safety intelligent monitoring alarm according to claim 2, characterized in that, The data judging system further comprises a CPU data acquisition and judging unit which is electrically connected with the power voltage control and detection unit and the control output unit, and the CPU data acquisition and judging unit comprises light emitting diodes D1, D2 and D3, resistors R1, R2 and R3 and a single-chip microcomputer U1. The pin 1 of the single-chip microcomputer U1 is connected with the light emitting diodes D1, D2 and D3, the pin 2 is grounded, the pin 7 is connected with one end of the resistor R1, the other end of the resistor R1 is connected with the light emitting diode D3, the pin 8 is connected with one end of the resistor R2, the other end of the resistor R2 is connected with the light emitting diode D2, and the pin 9 is connected with one end of the resistor R3, the other end of the resistor R3 is connected with the light emitting diode D1.

4. The tower crane swing brake safety intelligent monitoring alarm of claim 3, wherein, The signal input unit comprises resistors R17, R18, R22, R25, R30, R31, isolation optocouplers U3, U4 and U8. The resistor R17 is connected with the anode of the isolation optocoupler U3, the cathode is grounded, the resistor R18 is connected with the collector of the isolation optocoupler U3, the collector of the isolation optocoupler U3 is connected with the pin 31 of the single-chip microcomputer U1, the emitter is grounded, the resistor R22 is connected with the anode of the isolation optocoupler U4, the cathode is grounded, the resistor R25 is connected with the collector of the isolation optocoupler U4, the collector of the isolation optocoupler U4 is connected with the pin 32 of the single-chip microcomputer U1, the emitter is grounded, the resistor R30 is connected with the anode of the isolation optocoupler U8, the cathode is grounded, the resistor R31 is connected with the collector of the isolation optocoupler U8, the collector of the isolation optocoupler U8 is connected with the pin 33 of the single-chip microcomputer U1, and the emitter is grounded.

5. The tower crane swing brake safety intelligent monitoring alarm of claim 3, wherein, The control output unit comprises resistors R4, R5, R6, R7, R8, R9, R10 and R11, a voice chip U2, triode switching tubes Q1, Q2 and Q3, control relays K1, K2 and K3. The control relay K1 is connected to the emitter of the three-terminal switch tube Q1, the collector of the three-terminal switch tube Q1 is grounded, the base of the three-terminal switch tube Q1 is connected to one end of the resistor R4, the other end of the resistor R4 is connected to the pin 15 of the single-chip microcomputer U1, the control relay K2 is connected to the emitter of the three-terminal switch tube Q2, the collector of the three-terminal switch tube Q2 is grounded, the base of the three-terminal switch tube Q2 is connected to one end of the resistor R5, the other end of the resistor R5 is connected to the pin 16 of the single-chip microcomputer U1, the control relay K3 is connected to the emitter of the three-terminal switch tube Q3, the collector of the three-terminal switch tube Q3 is grounded, the base of the three-terminal switch tube Q3 is connected to one end of the resistor R6, the other end of the resistor R6 is connected to the pin 17 of the single-chip microcomputer U1, the pin 22 of the single-chip microcomputer U1 is connected to one end of the resistor R7, the other end of the resistor R7 is connected to the pin 12 of the voice chip U2, the pin 21 of the single-chip microcomputer U1 is connected to one end of the resistor R8, the other end of the resistor R8 is connected to the pin 13 of the voice chip U2, the pin 20 of the single-chip microcomputer U1 is connected to one end of the resistor R9, the other end of the resistor R9 is connected to the pin 14 of the voice chip U2, the pin 19 of the single-chip microcomputer U1 is connected to one end of the resistor R10, the other end of the resistor R10 is connected to the pin 15 of the voice chip U2, the pin 18 of the single-chip microcomputer U1 is connected to one end of the resistor R11, the other end of the resistor R11 is connected to the pin 16 of the voice chip U2, the pin 11 and the pin 12 of the voice chip U2 are commonly connected with the loudspeaker LS1, and the pin 4 of the voice chip U2 is grounded.

6. The tower crane swing brake safety intelligent monitoring alarm of claim 3, wherein, The tower crane rotary brake safety intelligent monitoring alarm further comprises a state alarm unit and an Internet of Things intelligent gateway, the state alarm unit is electrically connected with the data judgment system, the state alarm unit is electrically connected with the Internet of Things intelligent gateway, and the Internet of Things intelligent gateway is wirelessly connected with an Internet of Things cloud through a built-in antenna.

7. The tower crane swing brake safety intelligent monitoring alarm according to claim 6, characterized in that, The state alarm unit comprises a violation signal sound and light alarm and remote alarm antenna transmitting unit composed of a 4G network module chip U7, a capacitor C13, an input connector JP1, an output connector JP2 and a 5V power supply, and the Internet of Things intelligent gateway comprises a 4G module interface; wherein one end of the capacitor C13 is connected with the 5V power supply and the other end is grounded, the 5V power supply is connected with the 4G network chip U7, the 4G network module chip U7 is connected between the input connector JP1 and the output connector JP2, the input connector JP1 is connected with the 4G module interface input end J1, the output connector JP2 is connected with the 4G module interface output end J2, the pin 4 of the 4G module interface output end J2 is grounded, the pin 3 of the 4G module interface input end J1 is connected with the pin 28 of the single-chip microcomputer U1, and the pin 4 of the 4G module interface input end J1 is connected with the pin 27 of the single-chip microcomputer U1.

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