Safe tower crane with privacy protection function

Abstract

The utility model discloses a safety tower crane with a privacy protection function, an optical sensor is arranged in a control room, the working end of the optical sensor faces the operating end in the control room, a switching circuit is connected with the optical sensor, and the control end of the switching circuit is connected with a trolley motor, a big arm motor and a big hook motor in parallel. According to the technical scheme, a sensor is used as a trigger switch of a circuit, the use condition of each motor of the tower crane and the monitoring condition of an operator are switched on and off, and it is ensured that information collection and control right release are carried out only at the specific position of a working position when people move. And the privacy of the whole tower crane user is higher.

Description

Technical Field

[0001] The utility model relates to the field of tower cranes, in particular to a safety tower crane with a privacy protection function. Background Art

[0002] Tower cranes are common heavy equipment in construction projects, port terminals and other scenarios. Monitoring the operating behavior of tower crane drivers during tower crane operation can effectively improve construction safety and prevent potential accident risks.

[0003] With the advancement of technology, various tower crane driver operation monitoring technologies have emerged, including sensors, cameras, positioning systems, etc. These technologies can obtain and record relevant data of tower crane drivers, such as operating behavior, location information, video images, etc., for analysis and improvement of work efficiency and safety.

[0004] Since it involves personal sensitive information and privacy rights, privacy protection of tower crane driver operation monitoring has become an important issue. Drivers hope to get certain privacy protection during work to avoid abuse or leakage of personal privacy.

[0005] However, the use of data control systems often causes backdoor problems and still has certain loopholes in privacy protection. Therefore, a safety tower crane with privacy protection function is needed to solve the above problems through simple electrical components. Utility Model Content

[0006] The utility model aims to solve the problem that privacy protection of tower crane driver operation monitoring is an important issue in the prior art because it involves personal sensitive information and privacy rights. Drivers hope to get certain privacy protection during work to avoid abuse or leakage of personal privacy, but the use of data control systems often causes backdoor problems and still has certain loopholes in privacy protection. The utility model provides a safety tower crane with privacy protection function, which solves the problems of the prior art.

[0007] The utility model provides a safety tower crane with a privacy protection function, comprising a boom motor, a trolley motor, a hook motor, a lifting arm, a luffing trolley, a control room, a tower body, a hook, an optical sensor and a switch circuit. The tower body is vertically arranged on a tower base, the lifting arm is rotatably arranged on the upper part of the tower body and is perpendicular to the tower body, the luffing trolley is movably arranged on the lower surface of the lifting arm on one side of the tower body, the luffing trolley moves axially along the lifting arm, the control room is arranged on the upper surface of the lifting arm and connected to one side of the tower body, and the hook is movably arranged on the luffing trolley through a pulley block. At the lower end, the boom motor is arranged at the connection position of the boom and the tower body to control the relative movement of the boom and the tower body, the trolley motor is arranged at the connection position of the boom and the luffing trolley to control the relative movement of the luffing trolley and the boom, the hook motor is arranged at the connection end of the luffing trolley and the hook to control the relative movement between the hook and the luffing trolley, the optical sensor is arranged in the control room, the working end of the optical sensor is toward the operating end in the control room, the switch circuit is connected to the optical sensor, and the control end of the switch circuit is connected in parallel with the trolley motor, the boom motor and the hook motor.

[0008] The utility model discloses a safety tower crane with a privacy protection function. As a preferred embodiment, the switch circuit includes a first connection end, a second connection end, a full-bridge rectifier circuit, a control circuit, a voltage stabilizer, a voltage drop current limiting circuit and a trigger circuit. An input end of the full-bridge rectifier circuit is connected to the first connection end, and another input end of the full-bridge rectifier circuit is connected to the second connection end. The voltage drop current limiting circuit and the trigger circuit are connected in parallel. One parallel end of the voltage drop current limiting circuit and the trigger circuit is connected to the output end of the full-bridge rectifier circuit, and another parallel end of the voltage drop current limiting circuit and the trigger circuit is connected to the input end of the voltage stabilizer. The output end of the voltage stabilizer is connected to the control circuit. The optical sensor is arranged in the control circuit.

[0009] In the safety tower crane with privacy protection function described in the utility model, as a preferred embodiment, the optical sensor is an infrared sensor.

[0010] Optionally, the optical sensor is a motion sensor.

[0011] The utility model describes a safety tower crane with a privacy protection function, as a preferred embodiment, the control circuit includes an integrated chip and a photoresistor, the photoresistor and the optical sensor are both connected to the integrated chip, the fifth pin of the integrated chip is connected to the trigger circuit, and a resistor and a diode are arranged between the trigger circuit and the fifth pin of the integrated chip.

[0012] The utility model discloses a safety tower crane with a privacy protection function. As a preferred embodiment, the safety tower crane with a privacy protection function also includes a camera. The camera is arranged in a control room, the working end of the camera faces the working position of the control room, and the switch circuit control end is connected to the camera.

[0013] The beneficial effects of the utility model are as follows:

[0014] This technical solution uses sensors as trigger switches of the circuit to switch on and off the use of each motor of the tower crane and the monitoring of the operator. The first connection end and the second connection end are used as power supply ends to connect the motor and the camera, and the control circuit senses the presence of personnel at the workstation to ensure that information is collected and control rights are decentralized only when there are personnel at specific positions of the workstation and when they are moving. This makes the overall tower crane user more private. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 A schematic diagram of a safety tower crane with a privacy protection function;

[0016] Figure 2 The diagram is a circuit diagram of a safety tower crane switch with a privacy protection function.

[0017] Reference numerals:

[0018] 1. Boom motor; 2. Trolley motor; 3. Hook motor; 4. Lifting arm; 5. Luffing trolley; 6. Control room; 7. Tower body; 8. Hook; 9. Optical sensor; 10. Switching circuit; 101. First connection terminal; 102. Second connection terminal; 103. Full-bridge rectifier circuit; 104. Control circuit; 105. Voltage stabilizer; 106. Voltage drop current limiting circuit; 107. Trigger circuit. DETAILED DESCRIPTION

[0019] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.

[0020] Example 1

[0021] like Figure 1As shown, a safety tower crane with a privacy protection function comprises a boom motor 1, a trolley motor 2, a hook motor 3, a lifting arm 4, a luffing trolley 5, a control room 6, a tower body 7, a hook 8, an optical sensor 9 and a switch circuit 10. The tower body 7 is vertically arranged on a tower base, the lifting arm 4 is rotatably arranged in the upper half of the tower body 7 and is perpendicular to the tower body 7, the luffing trolley 5 is movably arranged on the lower surface of the lifting arm 4 on one side of the tower body 7, the luffing trolley 5 moves axially along the lifting arm 4, the control room 6 is arranged on the upper surface of the lifting arm 4 connected to one side of the tower body 7, the hook 8 is movably arranged at the lower end of the luffing trolley 5 through a pulley block, and the lifting arm 4 is vertically arranged on the upper surface of the lifting arm 4 and is vertical to the tower body 7. The arm motor 1 is arranged at the connection position of the boom 4 and the tower body 7 to control the relative movement of the boom 4 and the tower body 7. The trolley motor 2 is arranged at the connection position of the boom 4 and the luffing trolley 5 to control the relative movement of the luffing trolley 5 and the boom 4. The hook motor 3 is arranged at the connection end of the luffing trolley 5 and the hook 8 to control the relative movement between the hook 8 and the luffing trolley 5. The optical sensor 9 is arranged in the control room 6, and the working end of the optical sensor 9 is toward the operating end in the control room 6. The switch circuit 10 is connected to the optical sensor 9, and the control end of the switch circuit 10 is connected in parallel with the trolley motor 2, the boom motor 1 and the hook motor 3.

[0022] like Figure 2 As shown, the switch circuit 10 includes a first connection terminal 101, a second connection terminal 102, a full-bridge rectifier circuit 103, a control circuit 104, a voltage regulator 105, a voltage drop current limiting circuit 106 and a trigger circuit 107. An input terminal of the full-bridge rectifier circuit 103 is connected to the first connection terminal 101, and another input terminal of the full-bridge rectifier circuit 103 is connected to the second connection terminal 102. The voltage drop current limiting circuit 106 and the trigger circuit 107 are connected in parallel. One parallel end of the voltage drop current limiting circuit 106 and the trigger circuit 107 is connected to the output terminal of the full-bridge rectifier circuit 103, and the other parallel end of the voltage drop current limiting circuit 106 and the trigger circuit 107 is connected to the input terminal of the voltage regulator 105. The output terminal of the voltage regulator 105 is connected to the control circuit 104, and the optical sensor 9 is arranged in the control circuit 104.

[0023] The optical sensor 9 is an infrared sensor.

[0024] The control circuit 104 includes an integrated chip and a photoresistor. The photoresistor and the optical sensor 9 are both connected to the integrated chip. The fifth pin of the integrated chip is connected to the trigger circuit 107. A resistor and a diode are arranged between the trigger circuit 107 and the fifth pin of the integrated chip.

[0025] Example 2

[0026] Different from the first embodiment, the optical sensor 9 in this embodiment is a motion sensor.

[0027] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A safety tower crane with privacy protection function, characterized in that: The invention comprises a boom motor (1), a trolley motor (2), a hook motor (3), a crane arm (4), a luffing trolley (5), a control room (6), a tower body (7), a hook (8), an optical sensor (9), a switch circuit (10) and a camera. The tower body (7) is vertically arranged on a tower base. The crane arm (4) is rotatably arranged on the upper half of the tower body (7) and is perpendicular to the tower body (7). The luffing trolley (5) is movably arranged on the lower surface of the crane arm (4) on one side of the tower body (7). The luffing trolley (5) moves axially along the crane arm (4). The control room (6) is arranged on the upper surface of the crane arm (4) connected to one side of the tower body (7). The hook (8) is movably arranged on the lower end of the luffing trolley (5) through a pulley block. The boom motor (1) is arranged at the connection position between the crane arm (4) and the tower body (7) to control the movement of the crane arm (4) and the tower body (7). The trolley motor (2) is arranged at the connection position between the boom (4) and the luffing trolley (5) to control the relative movement between the luffing trolley (5) and the boom (4); the hook motor (3) is arranged at the connection end between the luffing trolley (5) and the hook (8) to control the relative movement between the hook (8) and the luffing trolley (5); the optical sensor (9) is arranged in the control room (6); the working end of the optical sensor (9) faces the operating end in the control room (6); the switch circuit (10) is connected to the optical sensor (9); the control end of the switch circuit (10) is connected in parallel with the trolley motor (2), the boom motor (1) and the hook motor (3); the camera is arranged in the control room (6); the working end of the camera faces the working position of the control room (6); and the control end of the switch circuit (10) is connected to the camera.

2. A safety tower crane with privacy protection function according to claim 1, characterized in that: The switch circuit (10) comprises a first connection end (101), a second connection end (102), a full-bridge rectifier circuit (103), a control circuit (104), a voltage stabilizer (105), a voltage drop current limiting circuit (106) and a trigger circuit (107); an input end of the full-bridge rectifier circuit (103) is connected to the first connection end (101), another input end of the full-bridge rectifier circuit (103) is connected to the second connection end (102), and the voltage drop current limiting circuit (106) is connected to the trigger circuit (107). ) and the trigger circuit (107) are connected in parallel, one parallel end of the voltage drop current limiting circuit (106) and the trigger circuit (107) is connected to the output end of the full-bridge rectifier circuit (103), the other parallel end of the voltage drop current limiting circuit (106) and the trigger circuit (107) is connected to the input end of the voltage regulator (105), the output end of the voltage regulator (105) is connected to the control circuit (104), and the optical sensor (9) is arranged in the control circuit (104).

3. A safety tower crane with privacy protection function according to claim 2, characterized in that: The optical sensor (9) is an infrared sensor.

4. The safety tower crane with privacy protection function according to claim 2 is characterized in that: The optical sensor (9) is a motion sensor.

5. The safety tower crane with privacy protection function according to claim 2 is characterized in that: The control circuit (104) comprises an integrated chip and a photoresistor, the photoresistor and the optical sensor (9) are both connected to the integrated chip, the fifth pin of the integrated chip is connected to the trigger circuit (107), and a resistor and a diode are arranged between the trigger circuit (107) and the fifth pin of the integrated chip.

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