Elevator roof rushing prevention device
Through the detection and execution mechanisms of the elevator anti-overhead device, the safety airbag buffers and provides audible and visual alarms after an elevator overhead accident occurs, solving the problem that existing technologies cannot effectively reduce the harm of accidents and protecting personal and property safety.
Patent Information
- Application Number
- CN202520338767.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-02-28
- Publication Date
- 2025-12-23
- Estimated Expiration
- 2035-02-28
AI Technical Summary
In the existing technology, there are technical problems that can be detected but not detected by existing technology, and existing technology cannot solve: how can existing technology effectively minimize the harm of an elevator accident and protect personal and property safety after the accident occurs?
An elevator anti-overhead device was designed, including an overhead detection mechanism, a controller, and an actuator. The detection mechanism detects whether the elevator car is overhead. The controller and actuator, as well as the safety airbag and audible and visual alarm devices, detect the overhead signal and activate the safety airbag and audible and visual alarms to provide escape guidance and rescue assistance.
After an elevator overturns, the airbags effectively reduce injuries to passengers or cargo through cushioning and shock absorption, and the sound and light alarm devices calm passengers, provide escape guidance and assist in rescue, minimizing the harm caused by the accident.
Smart Images
Figure CN223704845U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to elevator technical field, in particular to a kind of elevator anti-collision device. BACKGROUND
[0002] Elevator is a kind of vertical transport equipment, for conveying personnel or goods between different floors of building. It is mainly composed of motor, control system, car, guide rail, counterweight and safety device, etc., by motor driving elevator car moves up and down along guide rail in elevator shaft. In recent years, with the promotion of urbanization and the improvement of residents' living standards, elevator has become indispensable vertical transport tool in people's production and life.
[0003] Elevator collision is that elevator car exceeds top floor and continues to rise due to control system or mechanical failure during operation, and finally collides with the top of elevator shaft. Elevator collision accident can cause passenger injury or even death, endangering personal, equipment and cargo safety. The existing technology mainly focuses on preventing elevator collision. For example, by regularly maintaining key components such as elevator braking system and control system to avoid control system or mechanical failure; by limiting the height of elevator car through mechanical safety devices such as speed governor and safety clamp. These measures can only prevent elevator collision before it happens. However, after elevator collision has occurred, how to minimize the damage to protect personal and property safety, the existing technology lacks effective measures. SUMMARY
[0004] Therefore, the utility model discloses the purpose in, provide a kind of elevator anti-collision device, it includes: collision detection mechanism, controller and executing mechanism;The collision detection mechanism detects whether elevator car collides, if detecting that elevator car collides, then sends collision signal to the controller;The controller controls the executing mechanism to execute collision protection action after receiving collision signal;Wherein, the executing mechanism includes: the safety air bag of top being arranged in the inside of elevator car, and audible and visual alarm device;The audible and visual alarm device includes alarm lamp and loudspeaker;The controller controls the executing mechanism to execute collision protection action specifically includes: the controller controls the safety air bag to open, and controls the alarm lamp to flash by electrification, and controls the loudspeaker to play alarm voice.
[0005] The elevator roof-punching-preventing device integrates roof-punching detection, safety air bag and sound-light alarm, and can obtain the roof-punching signal sensitively when the elevator roof-punching occurs, and accordingly, the safety air bag is rapidly started and the sound-light alarm is triggered. The device can effectively reduce the injury of passengers or goods caused by the roof-punching through the buffering and damping effect of the safety air bag, can calm the passengers through the sound-light alarm device, provide escape guidance, and assist the staff to carry out rescue and maintenance work. The device can reduce the accident harm to the maximum extent, protect the personal and property safety, and fill the blank of the prior art in the aspect of lacking effective remedial measures after the roof-punching accident.
[0006] Further, the first part of the roof-punching detection mechanism is arranged at the top of the elevator shaft, and the second part is arranged at the top of the elevator car; when the elevator car does not punch the roof, the first part and the second part of the roof-punching detection mechanism are not in contact under normal circumstances; when the elevator car punches the roof, the second part of the roof-punching detection mechanism moves upward to contact the first part, at which time the roof-punching detection mechanism generates and outputs a roof-punching signal to the controller.
[0007] Further, the first part of the roof-punching detection mechanism is a limiting plate fixedly arranged at the top of the elevator shaft; the second part of the roof-punching detection mechanism includes a hollow pipe, a solid rod, a movable shaft sleeve, a sensor, a spring and a fixed shaft sleeve; the hollow pipe is fixedly arranged at the top of the elevator car; the solid rod has an outer diameter smaller than an inner diameter of the hollow pipe and is movably inserted into the hollow pipe; the movable shaft sleeve is movably sleeved on the solid rod and located at an upper layer of the hollow pipe; the sensor is arranged on the movable shaft sleeve; wherein the sensor includes a sensor body and a push rod; the sensor body is fixedly arranged on the movable shaft sleeve; the bottom end of the push rod is arranged on the sensor body and extends upwardly by being inserted into a first limiting hole of the movable shaft sleeve; the spring is sleeved on the solid rod and located at an upper layer of the movable shaft sleeve; the fixed shaft sleeve is fixedly sleeved on the top of the solid rod and located at an upper layer of the spring; the fixed shaft sleeve is provided with a second limiting hole, and the top end of the push rod of the sensor is movably inserted into the second limiting hole.
[0008] Further, the controller includes a shell and a circuit arranged in the shell; the shell includes a rear cover, a main body and a front cover; the rear cover is fixedly installed at the top of the elevator car, and the main body and the front cover are installed on the rear cover by buckling; the rear cover, the main body and the front cover form a closed cuboid box structure, and the circuit is arranged inside the cuboid box structure.
[0009] Further, the shell is made of ABS plastic material; and the front cover of the shell is red.
[0010] Further, a liquid crystal display is arranged on the front cover of the shell and electrically connected with the internal circuit to display the ejection times of the airbag.
[0011] Further, the circuit comprises a master control chip, a punch signal receiving module and an airbag control module electrically connected with the master control chip; the punch signal receiving module is signal connected with the punch detection mechanism, used for receiving the punch signal and processing the punch signal, and finally sending the processed punch signal to the master control chip; the master control chip sends an airbag action signal to the airbag control module after receiving the processed punch signal; the airbag control module is electrically connected with the airbag and controls the airbag to open when receiving the airbag action signal sent by the master control chip.
[0012] Further, the circuit further comprises a storage module, an audio modulation module and an audio power amplifier module electrically connected with the master control chip; the storage module pre-stores voice files; the master control chip further reads the voice files stored in the storage module, decodes the voice files to obtain audio data after receiving the processed punch signal, and then sends the audio data to the audio modulation module; the audio modulation module modulates the audio data into an audio signal after receiving the audio data sent by the master control chip, and then transmits the audio signal to the audio power amplifier module; the audio power amplifier module is electrically connected with the speaker of the sound and light alarm device, and drives the speaker to play alarm voice according to the audio signal after receiving the audio signal sent by the audio modulation module.
[0013] Further, the circuit further comprises a power module; the power module connects an external power supply through a power interface, performs voltage stabilization and voltage conversion on the external power supply, converts the external power supply into a preset power supply voltage, and thus supplies power to other modules of the circuit.
[0014] Further, the circuit further comprises a communication module; the communication module connects an external host computer through a communication interface and is electrically connected with the master control chip, used for establishing communication between the master control chip and the external host computer, so as to transmit the elevator punch fault information to the host computer.
[0015] In order to better understand and implement, the utility model is described in detail below with reference to the drawings. BRIEF DESCRIPTION OF DRAWINGS
[0016] Figure 1 It is a module schematic view of the elevator anti-punch device of the utility model;
[0017] Figure 2It is the whole structure schematic diagram of the elevator anti-bumping device of the utility model,
[0018] Figure 3 It is the state schematic diagram of the safety air bag of the elevator anti-bumping device of the utility model,
[0019] Figure 4 It is the structure schematic diagram of the bumping detection mechanism of the elevator anti-bumping device of the utility model,
[0020] Figure 5 It is the assembly structure schematic diagram of the shell of the controller of the elevator anti-bumping device of the utility model,
[0021] Figure 6 It is the split structure schematic diagram of the shell of the controller of the elevator anti-bumping device of the utility model,
[0022] Figure 7 It is the module schematic diagram of the circuit of the controller of the elevator anti-bumping device of the utility model. DETAILED DESCRIPTION
[0023] It should be clear that the described embodiments are only a part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.
[0024] The terms used in the present application are only for the purpose of describing the specific embodiments, and are not intended to limit the present application. The singular forms "a", "said" and "the" used in the present application and the appended claims are also intended to include the plural forms, unless the context clearly indicates otherwise.
[0025] It should be understood that the present application is not limited to the precise structures described above and shown in the drawings, and various modifications and changes can be made without departing from the scope thereof. The scope of the present application is only limited by the appended claims.
[0026] Please refer to Figures 1-2 , Figure 1 It is the module schematic diagram of the elevator anti-bumping device of the utility model, Figure 2 It is the whole structure schematic diagram of the elevator anti-bumping device of the utility model. The elevator anti-bumping device of the utility model comprises: a bumping detection mechanism 10, a controller 20 and an execution mechanism 30. The bumping detection mechanism 10 detects whether the elevator car bumps, and sends a bumping signal to the controller 20 if the elevator car is detected to bump. The controller 20 controls the execution mechanism 30 to perform a bumping protection action after receiving the bumping signal.
[0027] Specifically, the execution mechanism 30 includes a safety air bag 31 and an audible and visual alarm device 32 which are signal connected with the controller 20; the audible and visual alarm device 32 includes an alarm lamp and a loudspeaker. The controller 20 controls the execution mechanism 30 to execute the roof-bumping protection action, specifically including: the controller 20 controls the safety air bag 31 to open, and controls the alarm lamp to flash on, and controls the loudspeaker to play alarm voice. The flashing and playing sound of the audible and visual alarm device 32 can remind and guide the user, and inform the staff to rescue and repair.
[0028] Please refer to Figure 3 , Figure 3 It is a state diagram of the safety air bag of the elevator roof-bumping prevention device. Figure 3 The left drawing shows the closed state of the safety air bag 31, and the right drawing shows the open state of the safety air bag 31. The safety air bag 31 is installed on the inner top of the elevator car, and is in the closed state in the normal state, and is turned into the open state after receiving the control signal of the controller 20. In the open state, the safety air bag 31 is inflated and expanded. When the elevator car bumps the roof, the body of the user bumps to the top of the elevator car under the action of inertia, at this time, the inflated and expanded safety air bag 31 can buffer the impact force of the collision between the body of the user and the elevator car, and protect the head, neck and shoulder of the user.
[0029] Specifically, the first part of the roof-bumping detection mechanism 10 is arranged on the top of the elevator shaft, and the second part is arranged on the top of the elevator car. When the elevator car does not bump the roof, the first part and the second part of the roof-bumping detection mechanism 10 are not in contact in the normal state, at this time, the roof-bumping signal is not generated. When the elevator car bumps the roof, the second part of the roof-bumping detection mechanism 10 moves upward to contact the first part, at this time, the roof-bumping detection mechanism 10 generates and outputs the roof-bumping signal to the controller 20.
[0030] Please refer to Figure 4 , Figure 4 It is a structure diagram of the roof-bumping detection mechanism of the elevator roof-bumping prevention device. The first part of the roof-bumping detection mechanism 10 is specifically a limiting plate 11 which is fixedly arranged on the top of the elevator shaft. The second part of the roof-bumping detection mechanism 10 includes a hollow pipe 12, a solid rod 13, a movable shaft sleeve 14, a sensor 15, a spring 16 and a fixed shaft sleeve 17.
[0031] The hollow pipe 12 is fixedly arranged on the top of the elevator car. The outer diameter of the solid rod 13 is slightly smaller than the inner diameter of the hollow pipe 12, and the solid rod 13 is movably inserted into the inside of the hollow pipe 12. The movable shaft sleeve 14 is movably sleeved on the solid rod 13 and located on the upper layer of the hollow pipe 12. The sensor 15 is arranged on the movable shaft sleeve 14.
[0032] The sensor 15 comprises a sensor body 151 and a push rod 152. The sensor body 151 is fixedly arranged on the movable shaft sleeve 14. The bottom end of the push rod 152 is arranged on the sensor body 151 and extends upwardly through the first limiting hole of the movable shaft sleeve 14. The sensor body 151 is signal connected with the controller 20. When the push rod 152 is triggered, the sensor body 151 generates a bumping signal and transmits the bumping signal to the controller 20.
[0033] The spring 16 is movably sleeved on the solid rod 13 and located above the movable shaft sleeve 14. The fixed shaft sleeve 17 is fixedly sleeved on the top of the solid rod 13 and located above the spring 16. The fixed shaft sleeve 17 is provided with a second limiting hole 171, and the top end of the push rod 152 of the sensor 15 is movably inserted into the second limiting hole 171.
[0034] The working principle of the bumping detection mechanism 10 is as follows: no bumping signal is generated when the elevator car does not bump, and the bumping signal is generated when the elevator car bumps.
[0035] ①When the elevator car does not bump: since the spring 16 is clamped between the fixed shaft sleeve 17 and the movable shaft sleeve 14, the spring 16 will cause the fixed shaft sleeve 17 and the movable shaft sleeve 14 to be separated by a certain distance in the natural state. The bottom end of the push rod 152 is fixed on the movable shaft sleeve 14, and the top end of the push rod 152 is movably inserted into the second limiting hole 171 of the fixed shaft sleeve 17. Therefore, the spring 16 causing the fixed shaft sleeve 17 and the movable shaft sleeve 14 to be separated by a certain distance means that the top end of the push rod 152 extends out of the second limiting hole 171 of the fixed shaft sleeve 17 by a small distance. At this time, the top end of the push rod 152 does not contact the limiting plate 11, and the sensor body 151 does not generate a bumping signal.
[0036] When the elevator car hits the top: the height of the elevator car rises, causing the top end of the solid rod 13 to first contact the limiting plate 11. The height of the elevator car continues to rise, causing the hollow tube 12 to continue to rise with the elevator car. At this time, since the top end of the solid rod 13 has contacted the limiting plate 11, the height of the solid rod 13 cannot continue to rise. The hollow tube 12 continues to rise, and the solid rod 13 does not move, causing the hollow tube 12 to slide upward relative to the solid rod 13, and the movable shaft sleeve 14 also slides upward relative to the solid rod 13 under the pushing of the hollow tube 12. At this time, the fixed shaft sleeve 17 fixed to the top end of the solid rod 13 does not change in height, the height of the movable shaft sleeve 14 rises, causing the distance between the fixed shaft sleeve 17 and the movable shaft sleeve 14 to decrease (at this time, the spring 17 is compressed), and further causing the distance between the top end of the push rod 152 and the second limiting hole 171 of the fixed shaft sleeve 17 to increase. Since the top end of the solid rod 13 has contacted the limiting plate 11 at this time, the distance between the second limiting hole 171 of the fixed shaft sleeve 17 and the limiting plate 11 is fixed, and therefore the increase in the distance between the top end of the push rod 152 and the second limiting hole 171 will cause the top end of the push rod 152 to contact the limiting plate 11. Therefore, the push rod 152 is triggered, and the sensor body 151 generates a top-hitting signal.
[0037] According to the above working principle, the length of the hollow tube 12 is preferably longer than the length of the solid rod 13, so that when the solid rod 13 is pushed into the hollow tube 12 by the limiting plate 11, the hollow tube 12 has enough travel to accommodate the solid rod 13.
[0038] Please refer to Figures 5-6 , Figure 5 It is an assembled structure diagram of the shell of the controller of the elevator top-hitting prevention device of the utility model, Figure 6 It is a split structure diagram of the shell of the controller of the elevator top-hitting prevention device of the utility model. Specifically, the controller 20 includes a shell 21, and a circuit 22 arranged in the shell 21. The shell 21 includes a rear cover 211, a main body 212, and a front cover 213. The rear cover 211 is fixedly installed on the top of the elevator car, and the main body 212 and the front cover 213 are installed on the rear cover 211 by buckling. The rear cover 211, the main body 212, and the front cover 213 form a closed cuboid box structure, and the circuit 22 is arranged inside the cuboid box structure.
[0039] Furthermore, the outer casing 21 is made of ABS plastic; the front cover 213 of the outer casing 21 is red. ABS plastic has the advantages of insulation, hardness, impact resistance, water resistance, and dust resistance, which can effectively protect the electronic components of the internal circuit 22. Red has a longer wavelength and stronger penetrating power, which can attract attention and arouse user alertness. Therefore, setting the front cover 213 of the outer casing 21 to red can prevent users from accidentally touching it and help maintenance personnel quickly find the location of the controller. Furthermore, the front cover 213 of the outer casing 21 is also equipped with an LCD display 214, which is electrically connected to the internal circuit 22 to display the number of times the airbag 31 has deployed, thereby providing a reference for maintenance personnel.
[0040] Please see Figure 7 , Figure 7 This is a schematic diagram of the circuit of the controller of the elevator anti-overhead device of this utility model. The circuit 22 specifically includes: a main control chip M1, and a power supply module M2, a communication module M3, an overhead signal receiving module M4, an airbag control module M5, a storage module M6, an audio modulation module M7, and an audio power amplifier module M8, which are electrically connected to the main control chip M1.
[0041] The circuit 22 is provided with a power interface ( Figure 7 (shown as 24V and 0V) and communication interface ( Figure 7 (CAN+ and CAN- shown). The power interface is used to connect to an external power supply and ground; the communication interface is used to connect to an external host computer. The power module M2 is electrically connected to the power interface and is used to regulate and transform the external power supply, converting it into the required supply voltage to power other modules of the circuit. The communication module M3 is electrically connected to the communication interface and the main control chip M1, enabling the main control chip M1 to communicate with the external host computer, thereby transmitting elevator overshoot fault information to the host computer so that staff can quickly grasp the danger. In this embodiment, the external power supply is 24V DC voltage, and the communication interface is a CAN interface.
[0042] The impact signal receiving module M4 is signal-connected to the impact detection mechanism 10, and is used to receive the impact signal, process the impact signal, and finally send the processed impact signal to the main control chip M1. After receiving the processed impact signal, the main control chip M1 sends an airbag action signal to the airbag control module M5; at the same time, it reads the pre-saved voice file in the storage module M6, decodes the voice file to obtain audio data, and then sends the audio data to the audio modulation module M7.
[0043] The air bag control module M5 is electrically connected with the safety air bag 31, which controls the safety air bag 31 to open when receiving the air bag action signal sent by the master control chip M1. The audio modulation module M7 modulates the audio data into audio signals that can be played after receiving the audio data sent by the master control chip M1, and then transmits the audio signals to the audio power amplifier module M8. The audio power amplifier module M8 is electrically connected with the speaker of the audible and visual alarm device 32, which drives the speaker to play alarm voice according to the audio signals sent by the audio modulation module M7 after receiving the audio signals.
[0044] The utility model has the following technical effects: the utility model integrates a plurality of functions such as top collision detection, safety air bag, audible and visual alarm and data transmission, can obtain the top collision signal in time through sensitive top collision detection mechanism when elevator top collision, and accordingly rapidly starts safety air bag, triggers audible and visual alarm, simultaneously, real-time transmission of dangerous situation information to host computer. On the one hand, the utility model alleviates the harm of passenger or goods due to impact through the buffering and shock absorption of safety air bag, on the other hand, the utility model calms down passenger emotion through audible and visual alarm device, provides escape guide, and assists staff to rapidly carry out rescue and maintenance work. The utility model can reduce the accident harm to the maximum after elevator top collision accident, protects personal and property safety, fills the blank of lacking effective remedial measures after top collision accident in prior art.
[0045] The above-mentioned embodiments only express several implementation manners of the utility model, and the description is more specific and detailed, but it should not be understood as the limitation of the utility model patent scope. It should be pointed out that for ordinary skilled person in the art, without departing from the concept of the utility model, a plurality of modifications and improvements can be made, and the utility model also intends to include these changes and modifications.
Claims
1. An elevator roof-bump prevention device, comprising: The top collision detection mechanism, the controller and the execution mechanism; The top collision detection mechanism detects whether the elevator car collides with the top, and sends a top collision signal to the controller if the elevator car collides with the top; The controller controls the execution mechanism to perform a top collision protection action after receiving the top collision signal; The execution mechanism includes a safety airbag arranged at the top of the elevator car inside and an audible and visual alarm device; the audible and visual alarm device includes an alarm lamp and a loudspeaker; the controller controls the execution mechanism to perform a top collision protection action, which specifically includes that the controller controls the safety airbag to open, controls the alarm lamp to flash on, and controls the loudspeaker to play an alarm voice.
2. The elevator top collision prevention device according to claim 1, characterized in that: The first part of the top collision detection mechanism is arranged at the top of the elevator shaft, and the second part is arranged at the top of the elevator car; when the elevator car does not collide with the top, the first part and the second part of the top collision detection mechanism are not in contact under normal circumstances; when the elevator car collides with the top, the second part of the top collision detection mechanism moves upward to contact the first part, at which time the top collision detection mechanism generates and outputs a top collision signal to the controller.
3. The elevator top collision prevention device according to claim 2, characterized in that: The first part of the top collision detection mechanism is specifically a limiting plate fixedly arranged at the top of the elevator shaft; The second part of the top collision detection mechanism includes a hollow pipe, a solid rod, a movable shaft sleeve, a sensor, a spring and a fixed shaft sleeve; The hollow pipe is fixedly arranged at the top of the elevator car; The solid rod has an outer diameter smaller than an inner diameter of the hollow pipe and is movably inserted into the inside of the hollow pipe; The movable shaft sleeve is movably sleeved on the solid rod and located at an upper layer of the hollow pipe; The sensor is arranged on the movable shaft sleeve; the sensor includes a sensor body and a push rod; the sensor body is fixedly arranged on the movable shaft sleeve; the bottom end of the push rod is arranged on the sensor body and extends upwardly by being inserted into a first limiting hole of the movable shaft sleeve; The spring is sleeved on the solid rod and located at an upper layer of the movable shaft sleeve; The fixed shaft sleeve is fixedly sleeved on the top of the solid rod and located at an upper layer of the spring; the fixed shaft sleeve is provided with a second limiting hole, and the top end of the push rod of the sensor is movably inserted into the second limiting hole.
4. The elevator top collision prevention device according to claim 1, characterized in that: The controller includes a shell and a circuit arranged in the shell; The shell includes a rear cover, a main body and a front cover; The rear cover is fixedly installed at the top of the elevator car, and the main body and the front cover are installed on the rear cover by buckling; The rear cover, the main body and the front cover form a closed cuboid box structure, and the circuit is arranged inside the cuboid box structure.
5. The elevator top collision prevention device according to claim 4, characterized in that: The shell is made of ABS plastic material; and the front cover of the shell is red.
6. The elevator top collision prevention device according to claim 5, characterized in that: The front cover of the shell is also provided with a liquid crystal display which is electrically connected with the internal circuit and displays the number of ejection of the airbag.
7. The elevator ceiling crash device according to claim 6, characterized in that: The circuit comprises a master control chip, a ceiling crash signal receiving module and an airbag control module which are electrically connected with the master control chip; The ceiling crash signal receiving module is signal connected with the ceiling crash detection mechanism, used for receiving the ceiling crash signal and processing the ceiling crash signal, and finally sending the processed ceiling crash signal to the master control chip; The master control chip sends an airbag action signal to the airbag control module after receiving the processed ceiling crash signal; The airbag control module is electrically connected with the airbag, and controls the airbag to open when receiving the airbag action signal sent by the master control chip.
8. The elevator ceiling crash device according to claim 7, characterized in that: The circuit further comprises a storage module, an audio modulation module and an audio power amplifier module which are electrically connected with the master control chip; The storage module pre-stores a voice file; The master control chip also reads the voice file stored in the storage module, decodes the voice file to obtain audio data, and then sends the audio data to the audio modulation module after receiving the processed ceiling crash signal; The audio modulation module modulates the audio data into an audio signal after receiving the audio data sent by the master control chip, and then transmits the audio signal to the audio power amplifier module; The audio power amplifier module is electrically connected with the loudspeaker of the sound and light alarm device, and drives the loudspeaker to play alarm voice according to the audio signal after receiving the audio signal sent by the audio modulation module.
9. The elevator ceiling crash device according to claim 8, characterized in that: The circuit further comprises a power module; the power module connects an external power supply through a power interface, processes the external power supply by voltage stabilization and voltage transformation, converts the external power supply into a preset power supply voltage, and thus supplies power to other modules of the circuit.
10. The elevator ceiling crash device according to claim 9, characterized in that: The circuit further comprises a communication module; the communication module connects an external host computer through a communication interface, and is electrically connected with the master control chip, used for establishing communication between the master control chip and the external host computer, so as to transmit elevator ceiling crash fault information to the host computer.