Intelligent elevator safety management and control system based on internet of things

Abstract

The application discloses an intelligent elevator safety management and control system based on the Internet of Things, which comprises a car, a central control device and a safety management and control device, the central control device is arranged in the interior of the car, and the safety management and control device is arranged on the top of the car.In the application, the central control module is in communication connection with a central control background through a wireless communication module and a wired communication module, the central control background realizes the multi-mode monitoring of the whole elevator through the wired and wireless communication modes, the function of the Internet of Things is realized, the whole car is subjected to emergency braking through an emergency braking structure, the safety management and control function of the elevator is realized, the self-locking function is realized through the self-locking structure, the relative locking between the cable and the car is realized, the self-locking and braking are simultaneously completed by a driving motor, the continuity of the action is improved, the safety management and control function of the elevator can be completely controlled through a driving signal, and the safety management and control risk caused by signal transmission failure is reduced.

Description

TECHNICAL FIELD

[0001] The present application relates to the elevator technical field, specifically relates to a kind of intelligent elevator safety control system based on Internet of Things. BACKGROUND

[0002] In the existing elevator field, elevator will be equipped with safety control system, but so-called safety control system is merely a signal transmission system, real-time data transmission is carried out to background central control, to ensure that the situation in elevator and the working condition of elevator are monitored in real time, and it does not have the function that can carry out on-site safety control to elevator.Emergency brake control function is had to part of elevator, but in the face of upper driving device failure, it cannot carry out better protection and safety control.

[0003] In view of the above, a kind of intelligent elevator safety control system based on Internet of Things is designed. SUMMARY

[0004] The present application is to overcome the above-mentioned deficiencies, provide a kind of intelligent elevator safety control system based on Internet of Things.

[0005] The present application realizes the above-mentioned purposes by the following technical solutions:

[0006] A kind of intelligent elevator safety control system based on Internet of Things, including car, central control device and safety control device, central control device is set in the inside of car, safety control device is set in the top of car, central control device is electrically connected with safety control device;

[0007] Safety control device includes the base fixed in the top of car, the inside of base is equipped with driving motor, driving motor is equipped with a driving shaft on output shaft, driving shaft is drivingly connected with driving wheel, the outer periphery of driving wheel is uniformly provided with four cams, one side of four cams is equipped with one emergency brake structure, emergency brake structure includes moving plate, two push rods, drill rod and drill bit, moving plate is set in the side of cam, two push rods are consistent with the moving direction of moving plate and are all fixed in the side of moving plate, the end of each push rod is equipped with two drill rods, drill bit is fixed in the end of drill rod;

[0008] Base is also equipped with four self-locking structures, four self-locking structures are all drivingly connected with the driving shaft of driving motor;

[0009] Central control device includes central control module and battery, and motor driving module is arranged between central control module and driving motor, and working power module and electric quantity acquisition module are arranged between central control module and battery.

[0010] As preferred, the push rod is provided with two limiting tubes, the push rod moves on the base under the action of the limiting tubes, the outer periphery of the drill rod is provided with a circle of external threads, the outer periphery of the drill rod is provided with a threaded sleeve, the threaded sleeve is fixed on the base, the drill rod passes through the threaded sleeve, the external threads are matched with the internal threads on the inner wall of the threaded sleeve, the drill rod is rotationally connected with the push rod, when the push rod moves forward, the limiting tubes are used for limiting protection, meanwhile, when the drill rod moves, transmission occurs between the drill rod and the threaded sleeve, the drill rod controls the rotation of the drill bit, and the whole base and the shaft well are fixed, thereby, the emergency braking effect is achieved.

[0011] As preferred, the self-locking structure comprises a fixed plate, the fixed plate is provided with a through hole, the inside of the through hole is provided with a fixed rod, the cable of the car is fixedly connected with the fixed rod through the through hole, the inner wall of the through hole is provided with a fixed ring and a limiting ring, the fixed ring and the limiting ring are both arc-shaped, the fixed ring is fixed on the inner wall of the through hole, the limiting ring is located opposite to the fixed ring, both ends of the limiting ring are provided with a connecting rope, the side of the fixed ring close to the drive shaft is provided with a guide pipe, the connecting rope passes through the guide pipe and is connected with a drive rope, the drive rope is in transmission connection with the drive shaft, the drive motor controls the drive rope to be retracted through the drive shaft, then the drive rope pulls the limiting ring to be close to the fixed ring, the fixed ring and the limiting ring will be closed, thereby clamping the cable, and the self-locking effect is achieved, and the relative locking between the cable and the car is realized.

[0012] As preferred, the inside of the car is also provided with a display screen, the display screen is electrically connected with the central control module and the display control module, the display screen is a liquid crystal screen, and the display screen can display multiple data such as elevator working information, thereby improving the practicability of the safety control system.

[0013] As preferred, the central control device further comprises a communication module, the communication module is respectively electrically connected with a wireless communication module and a wired communication module, the central control module is in communication connection with a central control background through the wireless communication module and the wired communication module, through the two communication modes of wire and wireless, the central control background realizes multiple mode monitoring on the whole elevator, realizes the function of Internet of Things intelligence, and improves the reliability of the safety control system.

[0014] As preferred, the inner wall of the limiting ring is provided with a pressure sensor, a signal acquisition module is arranged between the pressure sensor and the central control module, the circular radius formed between the limiting ring and the fixed ring is smaller than the radius of the through hole, so when the limiting ring and the fixed ring clamp the cable together, the pressure sensor will collect the pressure signal, then the signal acquisition module collects and transmits the signal to the central control module, and the central control module can detect the self-locking effect on the cable.

[0015] As preferred, the limiting ring and the fixed ring are provided with a reset assembly, so that the limiting ring and the fixed ring can be effectively reset.

[0016] Preferably, a guide ring is provided between the fixing plate and the driving rope, and the driving rope passes through the guide ring, and the guide ring can play a wired guiding role for the driving rope.

[0017] Preferably, a wireless communication unit is further provided on the base, and the wireless communication unit is electrically connected to the central control background. The wireless communication unit can transmit the working status of the security management and control device to the central control background in real time.

[0018] The beneficial effects of the present invention are as follows: In the intelligent elevator safety management and control system based on the Internet of Things:

[0019] 1. The central control module is connected to the central control background through the wireless communication module and the wired communication module. Through both wired and wireless communication methods, the central control background can monitor the entire elevator in multiple ways, realizing the role of IoT intelligence;

[0020] 2. The emergency brake structure performs emergency braking on the entire car, realizing the safety control function of the elevator;

[0021] 3. The self-locking structure can clamp the cable rope, play a self-locking role, and realize the relative locking between the cable rope and the car;

[0022] 4. Self-locking and braking are both completed simultaneously by a drive motor, which improves the continuity of the action. In addition, the safety control function of the elevator can be fully controlled through a drive signal, reducing the safety control risks caused by signal transmission errors. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] The present invention will now be described by way of example with reference to the accompanying drawings, in which:

[0024] Figure 1 It is a structural schematic diagram of the present invention;

[0025] Figure 2 It is a structural schematic diagram of the safety control device of the present invention;

[0026] Figure 3 The present invention Figure 2 A magnified view of part A;

[0027] Figure 4 The present invention Figure 2 A magnified view of part B;

[0028] Figure 5 It is a system principle diagram of the central control device of the present invention. DETAILED DESCRIPTION

[0029] The present invention will now be described in further detail with reference to the accompanying drawings, which are simplified schematic diagrams that illustrate the basic structure of the present invention in a schematic manner.

[0030] like Figures 1-5 As shown, an intelligent elevator safety management and control system based on the Internet of Things includes a car 1, a central control device 2, and a safety management and control device 3. The central control device 2 is arranged inside the car 1, and the safety management and control device 3 is arranged on the top of the car 1. The central control device 2 is electrically connected to the safety management and control device 3. The safety management and control device 3 includes a base 4 fixed to the top of the car 1. The base 4 is provided with a drive motor. The output shaft of the drive motor is provided with a drive shaft 10. The drive shaft 10 is connected to the drive wheel 5 in a driving manner. Four cams 6 are evenly arranged on the outer periphery of the drive wheel 5. Each side of the four cams 6 is provided with an emergency brake structure. The emergency brake structure includes a movable plate 7, two push rods 8, a drill rod 14, and a drill bit 15. The movable plate 7 is arranged on one side of the cam 6. The two push rods 8 move in the same direction as the movable plate 7 and are fixed to one side of the movable plate 7. Two drill rods 14 are provided at the end of each push rod 8. The drill bit 15 is fixed to the end of the drill rod 14. The base 4 is also provided with four self-locking structures, each of which is connected to the drive shaft 10 of the drive motor.

[0031] The working principle of the safety control device is that the driving motor controls the rotation of the driving wheel 5 through the driving shaft 10, and the driving wheel 5 will synchronously control the rotation of the four cams 6, so that the four movable plates 7 move outward synchronously, and the movable plates 7 are then driven by the push rod 8 and the drill rod 14, so that the drill bit 15 approaches the car shaft on the outer periphery of the car 1, and at the same time, holes are drilled and fixed, and the entire car 1 is emergency braked, realizing the safety control function of the elevator; at the same time, the driving motor will synchronously control the four self-locking structures to perform emergency locking on the cable rope, realizing the relative locking between the cable rope and the car 1, further improving the safety control function of the elevator.

[0032] The central control device 2 includes a central control module and a battery. A motor drive module is provided between the central control module and the drive motor. A working power module and a power collection module are provided between the central control module and the battery. The battery provides electrical energy to the electrical equipment inside the car 1. The working power module converts the energy into various operating voltages, ensuring the reliable operation of each electrical equipment. In addition, a portion of the battery is used to supply the drive motor with emergency power. The power collection module is used to monitor the battery's power in real time to ensure that the battery has sufficient power when the drive motor is operating.

[0033] Specific embodiments, the push rod 8 is provided with two limiting tube 9, push rod 8 in the limiting tube 9 under the action of the base 4, the outer periphery of the drill rod 14 is provided with a circle of external thread, the outer periphery of the drill rod 14 is provided with a threaded sleeve 16, the threaded sleeve 16 is fixed on the base 4, the drill rod 14 passes through the threaded sleeve 16, the external thread is matched with the internal thread of the inner wall of the threaded sleeve 16, the drill rod 14 is rotatably connected with the push rod 8, when the push rod 8 moves forward, it is limited by the limiting tube 9, at the same time, when the drill rod 14 moves, it will drive between the threaded sleeve 16, so that the drill rod 14 controls the rotation of the drill bit 15, and the whole base 4 and the shaft well can be fixed, which plays an emergency braking effect.

[0034] Specific embodiments, the self-locking structure includes a fixed plate 17, the fixed plate 17 is provided with a through hole 21, the through hole 21 is provided with a fixed rod 22, the cable of the car 1 is fixedly connected with the fixed rod 22 through the through hole 21, the inner wall of the through hole 21 is provided with a fixed ring 18 and a limiting ring 19, the fixed ring 18 and the limiting ring 19 are arc-shaped, the fixed ring 18 is fixed on the inner wall of the through hole 21, the limiting ring 19 is located opposite to the fixed ring 18, the limiting ring 19 is provided with a connecting rope 20 at both ends, the side of the fixed ring 18 close to the drive shaft 10 is provided with a guide pipe 23, the connecting rope 20 passes through the guide pipe 23 and is connected with the driving rope 11, the driving rope 11 is in transmission connection with the drive shaft 10, the driving motor controls the driving rope 11 to be retracted through the drive shaft 10, then the driving rope 11 pulls the limiting ring 19 to be close to the fixed ring 18, the fixed ring 18 and the limiting ring 19 will be closed, clamping the cable, playing a self-locking role, realizing the relative locking between the cable and the car 1.

[0035] Specific embodiments, the inside of the car 1 is also provided with a display screen, the display screen is electrically connected with the central control module and the display control module, the display screen is a liquid crystal screen, the display screen can display multiple data such as elevator working information, thereby improving the practicability of the safety control system.

[0036] Specific embodiments, the central control device 2 also includes a communication module, the communication module is respectively electrically connected with a wireless communication module and a wired communication module, the central control module is in communication connection with a central control background through the wireless communication module and the wired communication module, through the two communication modes of wired and wireless, the central control background realizes multiple mode monitoring of the whole elevator, realizes the function of internet of things intelligence, and improves the reliability of the safety control system.

[0037] Specific embodiments, the inner wall of the limiting ring 19 is provided with a pressure sensor 24, the pressure sensor 24 and the central control module between the signal acquisition module, the limiting ring 19 and the fixed ring 18 between the circular radius formed is smaller than the radius of the through hole 21, so in the limiting ring 19 and the fixed ring 18 together clamp cable rope, the pressure sensor 24 will collect pressure signal, then through the signal acquisition module will signal acquisition transmission to the central control module, the central control module can detect the self-locking cable rope into effect.

[0038] Specific embodiments, the limiting ring and the fixed ring 18 between the reset component, so that the limiting ring and the fixed ring 18 can effectively reset.

[0039] Specific embodiments, the fixed plate 17 and the drive rope between the still is provided with a guide ring 12, the drive rope through the guide ring 12, the guide ring 12 can play a wired guide effect to the drive rope.

[0040] Specific embodiments, the base is also provided with a wireless communication unit 13, the wireless communication unit 13 is electrically connected with the central control background, the wireless communication unit 13 can transmit the working state of the safety management and control device to the central control background in real time.

[0041] The above according to the present application is inspired, through the above description, the relevant staff can be in the range of not deviating from the technical idea of the present application, make a variety of changes and modifications. The technical scope of the present application is not limited to the contents of the specification, must be determined according to the scope of claims.

Claims

1. An Internet of Things-based intelligent elevator safety management and control system, characterized in that: The elevator car, the central control device and the safety control device, the central control device is arranged in the inside of the elevator car, the safety control device is arranged on the top of the elevator car, the central control device is electrically connected with the safety control device; The safety control device includes a base fixed on the top of the elevator car, a driving motor is arranged in the inside of the base, a driving shaft is arranged on the output shaft of the driving motor, a driving wheel is drivingly connected with the driving shaft, four cams are uniformly arranged on the outer periphery of the driving wheel, an emergency brake structure is arranged on one side of each of the four cams, the emergency brake structure includes a moving plate, two push rods, drill rods and drill bits, the moving plate is arranged on one side of the cam, the two push rods are consistent with the moving direction of the moving plate and are fixed on one side of the moving plate, two drill rods are arranged on the end of each push rod, and the drill bit is fixed on the end of the drill rod; Four self-locking structures are further arranged on the base, the four self-locking structures are drivingly connected with the driving shaft of the driving motor, the self-locking structure includes a fixed plate, a through hole is arranged on the fixed plate, a fixed rod is arranged in the through hole, the cable of the elevator car is fixedly connected with the fixed rod through the through hole, a fixed ring and a limiting ring are arranged on the inner wall of the through hole, the fixed ring and the limiting ring are both arc-shaped, the fixed ring is fixed on the inner wall of the through hole, the limiting ring is located opposite to the fixed ring, a connecting rope is arranged at the two ends of the limiting ring, a guide pipe is arranged on the side of the fixed ring close to the driving shaft, the connecting rope is connected with a driving rope through the guide pipe, and the driving rope is drivingly connected with the driving shaft. The central control device includes a central control module and a storage battery, a motor driving module is arranged between the central control module and the driving motor, a working power module and a power acquisition module are arranged between the central control module and the storage battery. 2.The Internet of Things-based intelligent elevator safety management and control system according to claim 1, characterized in that: Two limiting tubes are arranged on the push rod, the push rod moves on the base under the action of the limiting tubes, an outer thread is arranged on the outer periphery of the drill rod, a threaded sleeve is arranged on the outer periphery of the drill rod, the threaded sleeve is fixed on the base, the drill rod passes through the threaded sleeve, the outer thread is matched with the inner thread on the inner wall of the threaded sleeve, and the drill rod is rotationally connected with the push rod. 3.The Internet of Things based intelligent elevator safety management and control system according to claim 1, characterized in that: A display screen is further arranged in the inside of the elevator car, the display screen is electrically connected with the central control module and a display control module, and the display screen is a liquid crystal screen. 4.The Internet of Things based intelligent elevator safety management and control system according to claim 1, characterized in that: The central control device further includes a communication module, the communication module is electrically connected with a wireless communication module and a wired communication module, and the central control module is in communication connection with a central control background through the wireless communication module and the wired communication module. 5.The Internet of Things based intelligentized elevator safety management and control system according to claim 1, characterized in that: A pressure sensor is arranged on the inner wall of the limiting ring, and a signal acquisition module is arranged between the pressure sensor and the central control module. 6.The Internet of Things based intelligentized elevator safety management and control system according to claim 1, characterized in that: A reset assembly is arranged between the limiting ring and the fixed ring. 7.The Internet of Things based intelligentized elevator safety management and control system according to claim 1, characterized in that: A guide ring is further arranged between the fixed plate and the driving rope, and the driving rope passes through the guide ring. 8.The Internet of Things based intelligentized elevator safety management and control system according to claim 1, characterized in that: A wireless communication unit is further arranged on the base, and the wireless communication unit is electrically connected with the central control background.

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