CN214495525U

CN214495525U - Tower crane plays to rise and becomes width of cloth and operating mode detecting system of gyration based on bluetooth

Info

Publication number: CN214495525U
Application number: CN202120744786.3U
Authority: CN
Inventors: 马孝志; 范俊红; 朱桂林; 何涛涛; 程江龙; 方建飞; 贾献峰
Original assignee: Zhejiang Yitong Electronic Technology Co ltd
Current assignee: Zhejiang Humon Electric Technology Co ltd
Priority date: 2021-04-13
Filing date: 2021-04-13
Publication date: 2021-10-26
Anticipated expiration: 2031-04-13

Abstract

The utility model discloses a tower crane lifting amplitude and rotation working condition detection system based on Bluetooth technology, which comprises a central control unit (1), a display device, a rotation sensor (2), a stroke sensor (3) and a height sensor (4) which are connected on the central control unit (1) in a communication way; the rotary sensor (2), the stroke sensor (3) and the height sensor (4) are all connected with confirmation modules (5), and each confirmation module (5) is connected with an emergency stop device, a first output module (6), a second output module (7), a first Bluetooth connection module (8) and a first decryption module (9); the central control unit (1) is connected with a second Bluetooth connection module (10), a second decryption module (11) and a proximity inductive switch (12). The utility model discloses not only can reduction in production cost, still have work efficiency height, high, the convenient operation of safety in utilization, use flexibility height and long service life's advantage.

Description

Tower crane plays to rise and becomes width of cloth and operating mode detecting system of gyration based on bluetooth

Technical Field

The utility model relates to a tower machine detecting system, especially tower machine based on bluetooth rise to rise and become working condition detecting system of width of cloth and gyration.

Background

The tower crane is the most common hoisting equipment on the construction site, and the components or materials are accurately transported to any part covered by the suspension arm of the tower crane through the rotating suspension arm and the amplitude variation trolley; because the integral volume of the tower crane is large, in order to ensure the normal and safe operation of the tower crane, a safety monitoring system is generally arranged on the tower crane and used for detecting the conditions of all working conditions of the tower crane; because the whole safety monitoring system needs to store, detect and judge the working conditions of each position of the tower crane and make different feedback signals according to the judgment result, and the positions needing to be detected on the tower crane comprise the height of a lifting hook of the tower crane, the rotation angle of the tower crane, the amplitude of a trolley and the like, the whole safety monitoring system needs to have a control unit with more functions, and the whole production cost is higher. Therefore, the existing working condition detection system for the tower crane has the problem of higher production cost.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a tower machine plays to rise and becomes width of cloth and pivoted operating mode detecting system based on bluetooth. The utility model has the advantage of low production cost.

The technical scheme of the utility model: the system for detecting the lifting amplitude and rotation working condition of the tower crane based on the Bluetooth technology comprises a central control unit, wherein a display device, a rotation sensor for detecting the rotation state of the tower crane, a stroke sensor for detecting the stroke of a trolley of the tower crane and a height sensor for detecting the height of a lifting hook of the tower crane are in communication connection with the central control unit; the rotary sensor, the stroke sensor and the height sensor are electrically connected with confirmation modules, and each confirmation module is electrically connected with an emergency stop device, a first output module and a second output module; each first output module and each second output module are electrically connected with a first Bluetooth connection module, and each first Bluetooth connection module is electrically connected with a first decryption module; the central control unit is electrically connected with a second Bluetooth connecting module, and the second Bluetooth connecting module is electrically connected with a second decryption module; the second decryption module is electrically connected with a proximity inductive switch.

In the system for detecting the lifting amplitude and rotation working condition of the tower crane based on the bluetooth technology, the confirmation module respectively judges whether the rotation angle of the tower crane, the travel of the trolley and the height of a lifting hook of the tower crane exceed the limits according to the data detected by the rotation sensor, the travel sensor and the height sensor, so that the working states of the first output module and the second output module are controlled.

In the system for detecting the lifting amplitude and rotation working condition of the tower crane based on the bluetooth technology, the emergency stop device comprises a constant current driver in communication connection with the central control unit, and the constant current driver is electrically connected with an LED light source; one side of the LED light source is provided with a photoresistor, and one side of the photoresistor is provided with an electromagnetic switch; the electromagnetic switch and the photoresistor are connected in series on a driving circuit of the tower crane.

In the system for detecting the lifting amplitude and rotation working condition of the tower crane based on the bluetooth technology, the first output module is used for converting the state information of the tower crane into an image signal when the confirmation module judges that the tower crane is normal, and sending the image signal to the display device; and the second output module is used for converting the tower crane state information into an image signal and sending the image signal to the display device when the confirmation module judges that the fault occurs.

In the above-mentioned tower crane plays to rise to become width of cloth and gyration operating mode detecting system based on bluetooth, display device includes display screen, alarm lamp and bee calling organ, and display screen, alarm lamp and bee calling organ are the mutual parallel arrangement.

Compared with the prior art, the utility model improves the existing working condition detection system for the tower crane, and the confirmation module is respectively connected with the return sensor, the stroke sensor and the height sensor, so that the corresponding rotation angle, the movement stroke or the height of the tower crane can be independently judged by the confirmation module, and signals are respectively transmitted out through the first output module or the second output module according to the state determined by the confirmation module, thereby realizing the quick judgment and improving the working efficiency; and the single confirmation module is arranged to judge the single state, so that the requirements of the whole system on the functions, models and the like of the confirmation module, the central control unit and the like can be reduced, and the assembly cost of the whole system is reduced; the emergency stop device is electrically connected to each confirmation module, so that the tower crane can be forcibly closed by the emergency stop device under the condition that the confirmation module judges that the tower crane is in a dangerous fault, the dangerous condition is avoided, and the safety of the integral use is further improved; the first conveying module and the second conveying module are electrically connected with the first Bluetooth connecting module, and each first Bluetooth connecting module is electrically connected with the first decryption module, so that the first conveying module and the second conveying module can be automatically transmitted to the central control unit through the first Bluetooth connecting modules, and the first decryption module is automatically and quickly connected with the central control unit through a preset specific suffix coding value, so that the overall working efficiency is further improved; meanwhile, the central control unit is electrically connected with the second Bluetooth connection module and the second decryption module, and the second decryption module is connected with the proximity inductive switch, so that an external operator can automatically control the second decryption module and the second Bluetooth connection module to start after approaching the position of the central control unit with the sensing piece, manual operation is not needed, and the use is convenient; and the setting of second bluetooth connection module can make things convenient for the operator to draw the tower machine information of central control unit internal storage through external equipment to the flexibility of using has been improved. In addition, the utility model discloses still through setting up constant current driver, LED light source, photo resistance and electromagnetic switch, utilize constant current driver, LED light source and photo resistance can form an automatic variable resistance that has the control of confirmation module to reach the regulation effect to tower machine operating current, thereby avoid the tower machine because the extremely fast outage damages to the tower machine, thereby prolonged life; by arranging the display screen, the alarm lamp and the buzzer, and matching the display screen with the first output module and the second output module, the tower crane state image can be automatically displayed, so that the tower crane state image is convenient for an operator to watch; and the alarm lamp and the buzzer can form an audible and visual alarm device, so that an operator can obtain a tower crane danger signal in time, and the use is facilitated. Therefore, the utility model discloses not only can reduction in production cost, still have work efficiency height, high safety in utilization, convenient operation, use flexibility height and long service life's advantage.

Drawings

FIG. 1 is a flow chart of the present invention;

fig. 2 is a schematic structural view of the scram device.

The labels in the figures are: 1-a central control unit, 2-a rotary sensor, 3-a travel sensor, 4-a height sensor, 5-a confirmation module, 6-a first output module, 7-a second output module, 8-a first Bluetooth connection module, 9-a first decryption module, 10-a second Bluetooth connection module, 11-a second decryption module, 12-a proximity inductive switch, 13-a constant current driver, 14-an LED light source, 15-a photoresistor, 16-an electromagnetic switch, 17-a display screen, 18-an alarm lamp and 19-a buzzer.

Detailed Description

The following description is made with reference to the accompanying drawings and examples, but not to be construed as limiting the invention.

Examples are given. A working condition detection system for lifting amplitude and rotation of a tower crane based on a Bluetooth technology is shown in figures 1 and 2 and comprises a central control unit 1, a display device, a rotation sensor 2 for detecting the rotation state of the tower crane, a stroke sensor 3 for detecting the stroke of a trolley of the tower crane and a height sensor 4 for detecting the height of a lifting hook of the tower crane, wherein the central control unit 1 is in communication connection with the display device, the stroke sensor 3 and the height sensor 4; the rotary sensor 2, the stroke sensor 3 and the height sensor 4 are electrically connected with confirmation modules 5, and each confirmation module 5 is electrically connected with an emergency stop device, a first output module 6 and a second output module 7; each of the first output module 6 and the second output module 7 is electrically connected with a first Bluetooth connection module 8, and each of the first Bluetooth connection modules 8 is electrically connected with a first decryption module 9; the central control unit 1 is electrically connected with a second Bluetooth connection module 10, and the second Bluetooth connection module 10 is electrically connected with a second decryption module 11; the second decryption module 11 is electrically connected with a proximity inductive switch 12.

The confirmation module 5 respectively judges whether the slewing angle of the tower crane, the travel of the trolley and the height of a hook of the tower crane exceed the limits according to the data detected by the slewing sensor 2, the travel sensor 3 and the height sensor 4, so as to control the working states of the first output module 6 and the second output module 7; the emergency stop device comprises a constant current driver 13 which is in communication connection with the central control unit 1, and the constant current driver 13 is electrically connected with an LED light source 14; a photoresistor 15 is arranged on one side of the LED light source 14, and an electromagnetic switch 16 is arranged on one side of the photoresistor 15; the electromagnetic switch 16 and the photoresistor 15 are connected in series on a driving circuit of the tower crane; the first output module 6 is used for converting the tower crane state information into an image signal and sending the image signal to the display device when the confirmation module 5 judges that the tower crane state information is normal; the second output module 7 is used for converting the tower crane state information into an image signal and sending the image signal to the display device when the confirmation module 5 judges that the fault occurs; the display device comprises a display screen 17, an alarm lamp 18 and a buzzer 19, wherein the display screen 17, the alarm lamp 18 and the buzzer 19 are mutually connected in parallel.

The working principle is as follows: when the specific work is carried out, the whole system is connected with an external safe commercial power, so that the central control unit 1, the rotary sensor 2, the stroke sensor 3, the height sensor 4, the confirmation module 5, the first Bluetooth connection module 8 and the first decryption module 9 are powered on and started; after the first bluetooth connection module 8 and the first decryption module 9 are started, the first bluetooth connection module 8 sends a connection signal to the central control unit 1 through the first decryption module 9; because of the specific suffix code value set in the first decryption module 9, the first bluetooth connection module 8 can directly complete bluetooth connection with the central control unit 1 without inputting passwords and the like, thereby facilitating operation; after the rotation sensor 2, the stroke sensor 3 and the height sensor 4 are started, the rotation angle of the tower crane, the trolley stroke amplitude and the height of a hook of the tower crane are automatically detected, and the detected numerical signals are sent to the corresponding confirmation module 5, the confirmation module 5 stores the numerical signals after receiving the corresponding numerical signals, extracts the internally set early warning value and alarm value, and compares and judges the numerical signals with the early warning value and the alarm value respectively; when the detected numerical signal does not exceed the early warning value, the confirmation module 5 sends a normal signal to the first output module 6, the first output module 6 is utilized to convert the normal signal into an image signal and send the image signal to the central control unit 1, and the central control unit 1 displays the image signal through the display screen 17 after receiving the image signal sent by the first output module 6, so that an operator can conveniently observe the image signal; when the detected numerical signal exceeds the early warning value but does not exceed the alarm value, the confirmation module 5 sends an early warning signal to the second output module 7, and the second output module 7 also converts the early warning signal into an image signal and sends the image signal to the central control unit 1 and the image signal is displayed by the display screen 17; meanwhile, the confirming module 5 controls the current output by the constant current driver 13, so that the brightness of the light generated by the LED light source 14 is changed, when the brightness of the LED light source 14 is changed, the brightness irradiated on the photosensitive resistor 15 is changed, so that the overall resistance of the photosensitive resistor 15 is changed, the corresponding electrifying current of a rotary motor and a trolley of the tower crane or a motor for controlling the lifting of a lifting hook of the tower crane can be adjusted, and the overall action of the tower crane is slowed down or slowly suspended; when the detected numerical signal exceeds the alarm value, the confirmation module 5 sends an alarm signal to the second output module 7, the second output module 7 converts the alarm signal into an image signal and sends the image signal to the central control unit 1, the central control unit 1 displays the alarm signal through the display screen 17, meanwhile, the central control unit 1 also controls the alarm lamp 18 and the buzzer 19 to be started, and an acousto-optic alarm signal can be formed by utilizing the alarm lamp 18 and the buzzer 19, so that the alarm reminding signal can be played to the maximum extent; meanwhile, the confirming module 5 can also directly control the electromagnetic switch 16 to be switched off, so that the corresponding working position on the tower crane is powered off and stops working, the dangerous phenomenon caused by untimely handling by an operator is avoided, and the use safety is improved; when outside personnel want to look over blue tower machine working condition through the equipment that the outside carried, only need to move the equipment that has the response piece that corresponds around being close to central control unit 1, at this moment proximity sensing switch 12 will be closed for second decryption module 11 and second bluetooth link module 10 start, make central control unit 1 can realize automatic bluetooth with the outside equipment that carries and be connected, thereby not only made things convenient for the operation, still improved whole monitored control system's use flexibility.

Claims

1. Tower machine plays to rise and becomes width of cloth and operating mode detecting system of gyration based on bluetooth, its characterized in that: the system comprises a central control unit (1), wherein a display device, a rotary sensor (2) for detecting the rotary state of the tower crane, a stroke sensor (3) for detecting the travel of a trolley of the tower crane and a height sensor (4) for detecting the height of a lifting hook of the tower crane are in communication connection with the central control unit (1); the rotary sensor (2), the stroke sensor (3) and the height sensor (4) are electrically connected with confirmation modules (5), and each confirmation module (5) is electrically connected with an emergency stop device, a first output module (6) and a second output module (7); each first output module (6) and each second output module (7) are electrically connected with a first Bluetooth connection module (8), and each first Bluetooth connection module (8) is electrically connected with a first decryption module (9); the central control unit (1) is electrically connected with a second Bluetooth connection module (10), and the second Bluetooth connection module (10) is electrically connected with a second decryption module (11); the second decryption module (11) is electrically connected with a proximity inductive switch (12).

2. The system for detecting the working condition of lifting amplitude and rotation of the tower crane based on the Bluetooth technology as claimed in claim 1, is characterized in that: and the confirmation module (5) respectively judges whether the rotation angle of the tower crane, the travel of the trolley and the height of a hook of the tower crane exceed the limit according to the data detected by the rotation sensor (2), the travel sensor (3) and the height sensor (4), so as to control the working states of the first output module (6) and the second output module (7).

3. The system for detecting the working condition of lifting amplitude and rotation of the tower crane based on the Bluetooth technology as claimed in claim 1, is characterized in that: the emergency stop device comprises a constant current driver (13) which is in communication connection with the central control unit (1), and the constant current driver (13) is electrically connected with an LED light source (14); a photoresistor (15) is arranged on one side of the LED light source (14), and an electromagnetic switch (16) is arranged on one side of the photoresistor (15); the electromagnetic switch (16) and the photoresistor (15) are connected in series on a driving circuit of the tower crane.

4. The system for detecting the working condition of lifting amplitude and rotation of the tower crane based on the Bluetooth technology as claimed in claim 1, is characterized in that: the first output module (6) is used for converting the tower crane state information into an image signal when the confirmation module (5) judges that the tower crane state information is normal, and sending the image signal to the display device; and the second output module (7) is used for converting the tower crane state information into an image signal and sending the image signal to the display device when the confirmation module (5) judges that the fault condition exists.

5. The system for detecting the lifting amplitude and the rotation working condition of the tower crane based on the Bluetooth technology as claimed in any one of claims 1 to 4, wherein: the display device comprises a display screen (17), an alarm lamp (18) and a buzzer (19), wherein the display screen (17), the alarm lamp (18) and the buzzer (19) are arranged in parallel.