74results about How to "Guaranteed normal launch" patented technology

The invention discloses a laser radar based on diffraction optics and a scanning method of the laser radar. The laser radar based on diffraction optics comprises a laser transmitting unit, a diffraction optical element, a laser echo signal receiving unit, a signal control unit, a signal acquiring unit and an optical scanning unit. A single-laser structure is adopted. The laser radar based on diffraction optics has the characteristics of low cost and high sensitivity. The problem of high cost and swollen structure due to multiple lasers is solved, and the laser radar based on diffraction opticshas quite high market competitiveness in future market promotion.

The present invention provides a search method for a multi-constrained earth-moon transfer orbit cluster with equal launch intervals. The method is used for designing n earth-moon transfer orbit clusters meeting multiple constraints and with equal launch intervals within a launch day, and the method takes full advantage of a feature that rocket launch parameters can be adjusted. The method is completed through outer-layer and inner-layer search, and the inner-layer search comprises preliminary search and refine search of a single orbit. A preliminary orbit search algorithm adopts a simulated annealing simplex hybrid algorithm, and a refine orbit search algorithm adopts a class differential correction algorithm. Firstly, preliminary design and search of the orbit are carried out based on an improved conic curve splicing method, an initial orbit parameter value is rapidly calculated, the refine orbit search algorithm is used to carry out refine design on the orbit, and an earth-moon orbit meeting the constrained condition is obtained. The outer-layer search completes continuous multi-orbit search with equal launch intervals, so that n earth-moon transfer orbits meeting the multiple constrained conditions with equal launch intervals are finally obtained.

The invention relates to the field of touch control and discloses a system for achieving capacitance detection and electromagnetic detection. A transverse row of wires and a vertical row of wires included by a sensing antenna multiplex array are located in a touch area of a touch control screen panel, a capacitance and electromagnetic touch control chip is provided with a TX end, an RX end and an EM Detect end, one end of the TX end, one end of the RX end and one end of the EM Detect end are respectively provided with one chip lead in a multiplex mode, and the other end of the TX end, the other end of the RX end and the other end of the EM Detect end are connected with one end of the transverse row of the wires and one end of the vertical row of the wires. When capacitance touch detection is carried out on the system, all switches in a switch array are turned off, and the transverse row of the wires and the vertical row of the wires constitute sensors of a capacitance screen; when electromagnetic touch detection is carried out on the system, all the switches are turned on, and the transverse row of the wires and the vertical row of the wires constitute antenna loops of an electromagnetic screen; when a part of the switches are turned off and a part of the switches are turned on, a part of the transverse row of the wires and a part of the vertical row of the wires constitute the sensors of the capacitance screen, and a part of the transverse row of the wires and a part of the vertical row of the wires constitute the antenna loops of the electromagnetic screen. Compared with the prior art, time division multiplex access of capacitance detection and electromagnetic detection is achieved through one set of sensing antennas on the single chip.

The invention pertains to a white organic light-emitting device based on the fluorescent dye and discloses the preparation method. The method adopts red, green and blue light-emitting structure, takes metal oxide as buffer layer and prepares white organic light-emitting devices with structures of indium tin oxide (ITO) / metal oxide / hole-transporting layer / red light-emitting layer / green light-emitting layer / blue light-emitting layer / electron transporting layer / metal cathode. The prepared devices are driven by direct voltage and emit high-efficient white light; the maximum electroluminescence current efficiency is 20.8cd / A; the maximum electroluminescence (EL) power efficiency is 16lw / W; the maximum luminance is 48000cd / m2 and the devices show simultaneous emission of red, green and blue and stable spectrum when at work.

The invention provides a ground-penetrating radar device used for detecting a boulder in a single hole and a detection method thereof. The ground-penetrating radar device comprises a radar antenna, a ground-penetrating radar host, and a computer connected with the ground-penetrating radar host. The radar antenna comprises a transmitting element and a receiving element, which are connected with the radar host by leads. The receiving element is disposed on the upper part or the lower part of the transmitting element. A distance between the transmitting element and the receiving element is at least one meter. The transmitting element and the receiving element are fixedly integrated into one body by adopting non-metal materials, and an electromagnetic wave transceiving device is formed. The ground-penetrating radar device is advantageous in that the radar antenna is inserted in a drill hole, and is cooperated with the ground-penetrating radar host and the computer to detect the boulder on the periphery of the drill hole (a radius is within 5meters), the size of the boulder, and the distance between the boulder and the drill hole accurately, and the ground-penetrating radar device can be used for a tunneling project.

The invention provides a CT (current transducer) energy acquisition-based ultrasonic bird repelling device for a series compensation platform, and can effectively prevent and control the problem of bird trouble of a series capacitor compensation device. In the ultrasonic bird repelling device, a circuit energy acquisition CT is adopted to supply power, large current passing through a circuit is converted into a required current, the current passes through an isolated CT realize electrical isolation, the high frequency part of power frequency current is filtered by virtue of a low-pass filter, direct current voltage is rectified and output by virtue of a rectifier, a high-frequency signal generator generates a high-frequency voltage signal between 16 and 25kHz immediately, and the high-frequency voltage signal is loaded to a piezoelectric ceramic plate of an ultrasonic speaker and is amplified to generate a high-volume ultrasonic wave which is between 16 and 25kHz and has a sound pressure level not lower than 90dB by virtue of the speaker. According to the bird repelling device, the energy acquisition CT is used as a power supply to guarantee stable high-power output, so that all-weather 24-hour uninterrupted large-area bird repelling is guaranteed; and a mode that two ultrasonic speakers are connected in parallel is adopted, and ultrasonic wave with variable frequencies is alternately and continuously generated, so that birds cannot adapt to the ultrasonic wave, and the durability of bird repelling effect is guaranteed.

The invention relates to manufacturing methods of back covers, particularly to a manufacturing method of a breakable launcher back cover of a weapon system. The method comprises firstly, fabricating a flange ring and processing mounting external threads at one end of the flange ring; secondly, fabricating a holder in an approximate skullcap shape; thirdly, making prepreg glass fiber cloth into type A composite material sealing pieces and type B composite material sealing pieces, putting a plurality of the type B composite material sealing pieces inside the holder, then putting a plurality of the type B composite material sealing pieces outside the holder and further putting a plurality of the type A composite material sealing pieces outside the holder; placing the holder with the stacked composite material sealing pieces inside a mould, performing compression molding, heating and pressurizing to achieve solidification forming; lastly, performing demoulding and forming slots in the inner side of the composite material sealing layer. The launcher back cover is breakable, and the roots of broken pieces are tied to the flange ring and avoid drop-off, so that normal launching can be guaranteed, and meanwhile floor cleanliness and tidiness of a launch site can be maintained.

The invention belongs to the field of dried bean curd processing and manufacturing and particularly relates to a quantitative dried bean curd packaging device. The quantitative dried bean curd packaging device comprises a feeding box. The feeding box is provided with a feeding opening and a discharging opening. One side of the feeding opening is provided with a conveyer belt, and the other side of the feeding opening is provided with a material loading plate capable of sliding in the feeding box. One side of the discharging opening is provided with a discharging channel in a sliding manner. The discharging channel is provided with a pneumatic plate in a sliding manner. The portion, located at the bottom of the discharging channel, of a machine frame is provided with a third switch. The other side of the discharging opening is provided with a push rod in a sliding manner. The push rod is connected with a first connection rod. One end of the first connection rod is hinged to a crank. The other end of the first connection rod is hinged to a second connection rod. A sector gear is hinged to the portion, above the feeding box, of the machine frame. The sector gear is connected with a second connection rod. One side of the sector gear is provided with a first switch. A pawl is hinged to the sector gear. A ratchet wheel is meshed with the pawl. A stirring rod is fixedly connected to the ratchet wheel. A second switch is installed at one end of the stirring rod. The quantitative dried bean curd packaging device achieves quantitative packaging of dried bean curd and improves the packaging efficiency of the dried bean curd.

The invention discloses an injection mold with high adjusting precision and convenience in disassembling and assembling and a using method of the injection mold. The injection mold comprises an upper mold and a lower mold. Chutes are separately formed in the two sides of the middle of the bottom of the upper mold and the two sides of the middle of the top of the lower mold; an upper mold core and a lower mold core are separately installed on the middle of the bottom of the upper mold and the middle of the top of the lower mold in a clamping manner; each of the upper mold core and the lower mold core consists of a plurality of module boards; and side plates are mounted at the ends of the upper mold and the lower mold and are separately positioned on the two sides of the upper mold core and the two sides of the lower mold core. Owing to the modular design of the mold cores, the mold cores are refined, after a part of one of the mold cores is damaged, part of the modular boards can be changed, the whole mold cores do not need to be changed, the injection mold is simple to maintain, and the maintenance cost is reduced. When the mold is used, positioning rods are pulled out, a roller and a moving column are pushed to enter the inside of a loading groove, and the positioning rods are inserted into second through holes. The roller is convenient to store and use, normal use of the mold is not affected, and convenience and diversity of use of the mold are improved.

Disclosed in the present invention are a mobile terminal and an NFC antenna, wherein the mobile terminal comprises: a terminal main body having a back on which a back longitudinal axis and a back horizontal axis are limited; and an NFC antenna located on the back of the terminal main body. At least one of the back longitudinal axis and the back horizontal axis of the terminal main body drills through the NFC antenna, and the NFC antenna is configured to be unsymmetrical relative to the at least one of the back longitudinal axis and the back horizontal axis. The mobile terminal according to the embodiments of the present invention has a smaller resonance frequency offset when processing a P2P operation, and has advantages such as high communication sensitivity, high communication success rate and good communication capability.

The invention discloses a heat shrinkage film take-up device. The heat shrinkage film take-up device comprises a frame, driving gears and a first rack, wherein a take-up shaft is arranged on the frame; one end of the take-up shaft is rotationally connected with the frame, and the other end of the take-up shaft is a cantilevered end; a film roll with axial freedom sleeves the take-up shaft; a compression roller with vertical freedom only is arranged above the take-up shaft; a vertically upward second rack is arranged at the upper end of the compression roller; the second rack comprises a toothed part and a non-toothed part positioned at the lower end of the toothed part; the driving gears mesh with the toothed part; the first rack is horizontally arranged on the side surface of the take-up shaft; a transmission mechanism capable for converting circular motion of the driving gears into horizontal motion of the second rack is arranged on the frame; a limiting buckle allowing the first rack to penetrate is arranged on the frame; a first elastic piece is arranged between the limiting buckle and the end, close to the side of the take-up shaft, of the first rack; and the first rack can be driven by the first elastic piece to push the film roll out of the take-up shaft. By adoption of the scheme, the problem that automatic unrolling cannot be finished in the prior art can be effectively solved.

The invention discloses a signal transmitting and receiving method which comprises the following steps: the invention monitors the performance state of each antenna; when detecting abnormal performance state of a current working antenna transmitting and / or receiving signal, the invention, according to the abnormal condition, controls other antennas in normal performance state to replace the working antenna to transmit and / or receive signal. In addition, the invention also discloses a signal transmitting and receiving device.

The invention relates to a variable band width frequency-shift and frequency-selective digital repeater which comprises a base station, an access machine and a remote machine, wherein the access machine comprises a downlink duplexer, a step attenuator, a downlink frequency shifter, a power amplifier and an uplink duplexer that are sequentially connected with each other in a downlink way; the access machine further comprises a low noise amplifier, an uplink frequency shifter and a downlink duplexer that are sequentially connected with each other in an uplink way; the uplink frequency shifter and the downlink frequency shifter are internally cured with frequency conversion program; the remote machine includes a downlink duplexer, a downlink low noise power amplifier, a downlink digital frequency-shift and frequency-selective module, a downlink companding frequency-shift unit and a downlink power amplifier which are sequentially connected with each other in a downlink way; the remote machine further includes an uplink duplexer, an uplink low noise power amplifier, an uplink digital frequency-shift and frequency-selective module, an uplink companding frequency-shift unit and an uplinkpower amplifier that are sequentially connected with each other in an uplink way; and the uplink and the downlink digital frequency-shift and frequency-selective modules are internally cured with frequency-shift and frequency-selective program. The digital repeater can achieve the aim of controlling band width by the frequency conversion program and the frequency-shift and frequency-selective program, thus having strong noise suppression capability and low frequency interference risk.

The invention discloses a distance measurement instrument. The distance measurement instrument comprises a shell, a transmitting mechanism and a receiving mechanism, which are arranged on the shell, and a light-transmitting shielding part, wherein the transmitting mechanism is provided with a transmitting channel; the light-transmitting shielding part is positioned in front of the transmitting channel and located in the shell, and has a certain inclination angle relative to the transmitting direction. The distance measurement instrument has a simple structure, and as the light-transmitting shielding part has a certain inclination angle relative to the transmitting direction, reflecting light and stray light cannot be directly reflected on a receiving assembly, and thus the measurement precision is greatly improved.

The invention discloses a heat shrinkage film winding method. The method comprises the following steps that (1) a film reel is arranged on a winding shaft in a sleeving mode to be positioned; (2) a machine is started, the film reel rotates along with the winding shaft, a heat shrinkage film passes through the space between a press roll and the film reel and is pressed and wound onto the film reel; the press roll is jacked up by the film reel continuously; meanwhile, the press roll pushes a second rack located at the upper end of the press roll to vertically move upwards; a first elastic element arranged between a limiting buckle and the end of a first rack arranged close to the side of the winding shaft is compressed along with horizontal movement of the first rack; (3) when the heat shrinkage film is wound onto the film reel, the first rack is driven by the first elastic element to be rapidly popped towards the film reel and provide push force to the film reel; under the action of the push force, the film reel slides out of the winding shaft, and reel discharging is completed; and (4) after completion of reel discharging, the press roll loses upward supporting force and moves vertically downwards, and a device restores. By means of the scheme, the problem that reel discharging cannot be completed automatically in the prior art can be effectively solved.

The invention discloses a mobile terminal and an NFC antenna. The mobile terminal includes: a terminal body; an NFC antenna, the NFC antenna is arranged on the back of the terminal body, and the NFC antenna passes through the The longitudinal centerline and / or the transverse centerline, and the parts of the NFC antenna located on both sides of the longitudinal centerline and / or the transverse centerline on the back of the terminal body are asymmetrical. The mobile terminal according to the embodiment of the present invention has a small resonance frequency shift when performing P2P operations, and has the advantages of high communication sensitivity, high communication success rate, and strong communication capability.

An embodiment of the invention relates to the technical field of semiconductor lasers, and more particularly to a semiconductor laser driving method and driving circuit for solving the problems of complicated structure and high cost as a speckle eliminating device is added mostly outside a laser in the prior art. In the embodiment of the invention, driving signals are generated in accordance with driving periods of a semiconductor laser, one driving period includes a high level duration segment and a low level duration segment, and driving signals in the high level duration segment of one driving period are composed of N pulses, where N is an integer greater than one; peak values of at least two of the N pulses are not equal, and / or at least two pulse intervals in N-1 pulse intervals formed by the N pulses are not equal; and the driving signals are outputted to the semiconductor laser. Therefore, the speckle suppression or elimination can be performed without the addition of a speckle eliminating device, and the structural complexity is reduced.

The invention provides a backlight module and a display panel. The backlight module sequentially comprises an optical film group, a light guide plate, a reflection sheet and a bottom plate, and further comprises a frame connected to the bottom plate and arranged opposite to the side surface of the light guide plate, wherein a gap exists between one end of the optical film group and the frame. Thetechnical effect of the backlight module is that the gap is reserved on one side of the optical film group, so that the optical film group still remains flat at high temperature, high optical characteristics are kept, and the product competitiveness is improved.

The present invention provides a pushing injector for vaginal medication. It includes an external sleeve whose head portion has female screw-threaded hole and a pushing rod which can be inserted into the external sleeve interior and can be slided along the inner wall of said external sleeve. The inner surface and outer surface of the head portion of said external sleeve are a smooth and evasive surface respectively, and the front end of said pushing rod is equipped with a circular cylinder body whose diameter and length are identical to that of the described female screw-threaded hole of the head portion of said external sleeve. Said invention also provides the application method of said pushing injector for vaginal medication.

The invention relates to the technical field of floor drains, in particular to an odor-resistant floor drain with a gas-preventive barrel. By the aid of the odor-resistant floor drain, the technical problem of poor odor-resistant effects of existing floor drains in the prior art can be solved. The odor-resistant floor drain comprises a floor drain, a floor drain cover and a floater. The floor drain cover is arranged at an opening in the upper end of the floor drain; the lower end of the floor drain is connected with a drain pipe; the floater is arranged inside the floor drain and is arranged on the upper side of the drain pipe, the gas-preventive barrel is arranged at the lower end of the floater and sleeves the drain pipe, and the bottom of the floater is matched with the upper side of the drain pipe and the inner wall of the floor drain. The odor-resistant floor drain has the advantages that the gas-preventive barrel is arranged at the bottom of the floor drain, can be opened when sufficient water flows through the gas-preventive barrel and can be closed when no water flows through the gas-preventive barrel or only insufficient water flows through the gas-preventive barrel, accordingly, sealing effects can be realized, and the technical problem of the poor odor-resistant effects of the existing floor drains can be solved.

An embodiment of the invention provides a measurement device. The device comprises a transmitting part and a receiving part which are symmetrically arranged, wherein the transmitting part comprises afirst supporting device and a light curtain transmitter; the light curtain transmitter is arranged on the first supporting device and can slide in a preset direction perpendicular to the bottom surface of the first supporting device, and the bottom surface is the end surface, in contact with the ground, of the first supporting device; the receiving part comprises a second supporting device and a light curtain receiver; the light curtain receiver is arranged on the second supporting device and can slide in the preset direction, and the light curtain receiver and the light curtain transmitter are kept on the same horizontal plane; and an alarm device is further arranged on the light curtain receiver. According to the measurement device provided by the invention, the minimum ground distance of a car is determined in a surface form through a light curtain, so that the measurement accuracy is improved, an error caused by performing measurement by manual visual selection of a lowest point toobtain the minimum ground distance in an existing measurement mode is reduced, the operability and practicability of measuring the minimum ground distance of the car are improved, and the cost is reduced.

The invention relates to the technical field of floor drains, in particular to a floater and a deodorizing floor drain. The floater comprises a floater body and a functional part which is arranged in the floater body and used for stretching into a water outlet of a shell of the deodorizing floor drain. When buoyancy generated when water in the shell of the floor drain acts on the floater can overcome the gravity of the floater, the floater floats so that the portion between the outer surface of the functional part and the water outlet is switched from a sealed matching state to a separated state, and water can flow out from the water outlet of the floor drain. By means of the floor drain of the floater, the peculiar smell backflow problem of the floor drain can be effectively solved.

The embodiment of the invention relates to the technical field of semiconductor lasers, and especially relates to a DLP (Digital Light Procession) projection system applying multiple semiconductor lasers. The DLP projection system is used for solving the problems of complicated structure and high cost due to the additional arrangement of a speckle eliminating device in the projection system in theprior art.

The invention relates to a novel compressed air purifying system based on Internet of Things. The novel compressed air purifying system based on Internet of Things comprises a central control unit and a purifying mechanism which are in wireless connection, wherein the purifying mechanism comprises an air compression mechanism, a cooling separation mechanism, a storage mechanism and a filtering and purifying mechanism which are in sequential connection. The novel compressed air purifying system based on Internet of Things has the advantages that by the aid of a resonance circuit consisting of a second inductor, a third inductor, an adjustable capacitor and a third capacitor in a wireless transmission circuit, signal transmission within specific frequency can be guaranteed, so that anti-interference capability for external signals is improved maximally; the adjustable capacitor is used for frequency trimming, and accordingly wireless transmission circuit practicality is improved; a dry filter and a drying machine are used for drying and filtering compressed air, and a precision filter is used for filtering the compressed air sufficiently, so that compressed air quality is guaranteed sufficiently; since heat in an aftercooler is absorbed by a heat absorbing pipeline, system energy utilization rate is increased.

The invention discloses a wireless charging device and a charging method. The invention relates to a wireless charging device. The wireless charging device comprises an energy transmitting device, a position adjusting device for installing the energy transmitting device, a first acquisition device for acquiring output energy information transmitted by the energy transmitting device, a second acquisition device, a processor communicating with the first acquisition device and the second acquisition device, and a controller which communicates with the processor and the position adjusting device and is used for controlling the position adjusting device according to the real-time energy loss calculated by the processor, and adjusting the energy transmitting device and to-be-charged equipment to a target relative position where the real-time energy loss is equal to a set value, wherein the second acquisition device is used for acquiring received energy information received by an energy receiving device. The wireless charging device and the charging method disclosed by the invention are high in charging efficiency and low in heat emission.

The invention provides a CT (current transducer) energy acquisition-based ultrasonic bird repelling device for a series compensation platform, and can effectively prevent and control the problem of bird trouble of a series capacitor compensation device. In the ultrasonic bird repelling device, a circuit energy acquisition CT is adopted to supply power, large current passing through a circuit is converted into a required current, the current passes through an isolated CT realize electrical isolation, the high frequency part of power frequency current is filtered by virtue of a low-pass filter, direct current voltage is rectified and output by virtue of a rectifier, a high-frequency signal generator generates a high-frequency voltage signal between 16 and 25kHz immediately, and the high-frequency voltage signal is loaded to a piezoelectric ceramic plate of an ultrasonic speaker and is amplified to generate a high-volume ultrasonic wave which is between 16 and 25kHz and has a sound pressure level not lower than 90dB by virtue of the speaker. According to the bird repelling device, the energy acquisition CT is used as a power supply to guarantee stable high-power output, so that all-weather 24-hour uninterrupted large-area bird repelling is guaranteed; and a mode that two ultrasonic speakers are connected in parallel is adopted, and ultrasonic wave with variable frequencies is alternately and continuously generated, so that birds cannot adapt to the ultrasonic wave, and the durability of bird repelling effect is guaranteed.

The invention discloses a protection device of a wireless indicator diagram sensor of a pumping unit and belongs to the field of oil extraction equipment. The protection device comprises a protection cylinder and a protection box, wherein the protection cylinder and the protection box are connected in sequence. The protection cylinder is used for containing the transmitting end of the wireless indicator diagram sensor, the protection box is used for containing the pressure bearing end of the wireless indicator diagram sensor, and a polish rod of the pumping unit is sleeved with the protection box. An activating hole and a transmitting hole are formed in the protection cylinder, and the activating hole corresponds to an activator of the wireless indicator diagram sensor in position, and the transmitting hole corresponds to a transmitter of the wireless indicator diagram sensor in position. An activating hole plug is arranged on the activating hole in a matched mode, a transmitting hole plug is arranged on the transmitting hole in a matched mode, and both the activating hole plug and the transmitting hole plug are made of insulating materials. According to the protection device of the wireless indicator diagram sensor of the pumping unit, the transmitting end and the pressure bearing end of the wireless indicator diagram sensor can be effectively protected, and normal work of the wireless indicator diagram sensor is guaranteed; and using is convenient, and large-scale application and popularization are facilitated.

The invention discloses an offshore launching platform capable of bearing a plurality of unmanned aerial vehicles, which belongs to the technical field of unmanned aerial vehicle working platforms. The offshore launching platform capable of bearing the plurality of unmanned aerial vehicles comprises a base, a protective cover arranged on the base, a multi-stage parking device and an unmanned aerial vehicle launching runway; the protective cover is provided with a transmitting window and used for launching unmanned aerial vehicles; the multi-stage parking device is connected with the base through a rotating structure and a lifting mechanism in sequence; the multi-stage parking device comprises a fixing shaft and a plurality of parking positions fixedly arranged on the fixing shaft and is used for parking the unmanned aerial vehicles; the unmanned aerial vehicle launching runway is connected with the base through an angle adjusting structure, and the angle adjusting structure is used foradjusting the inclination angle of the unmanned aerial vehicle launching runway. The offshore launching platform capable of bearing the multiple unmanned aerial vehicles can provide space for parkingof the multiple unmanned aerial vehicles, the number of the unmanned aerial vehicles borne by the unmanned aerial vehicle launching platform is effectively increased, the cost is reduced, and resources are saved.

The invention discloses an emergency escape rope ejection system for a public bus and aims at solving the problem that passengers in the existing public bus are easy to fall down to be injured duringjumping windows in case of an emergency. According to the key point of the technical scheme, the emergency escape rope ejection system for the public bus comprises an ejection device, a bearing assembly and a control circuit, wherein the ejection device is arranged on one side of a window and comprises a box body, a pull rope, a force bearing part, a force applying assembly, an opening and closingassembly and a rope outlet, wherein the force bearing part is fixed at the other end of the pull rope; the force applying assembly is arranged in the box body and used for ejecting the force bearingpart out of the box body; the opening and closing assembly is arranged in the box body and used for controlling the force applying assembly to apply an ejection force to the force bearing part when the window is broken; and the rope outlet is formed in the box body; the bearing assembly is arranged on the other side of the window and used for limiting the pull rope to cross over the window; and the control circuit is used for detecting the integrity of the window and controlling the opening and closing assembly to be opened when the window is broken so that the force applying assembly appliesthe ejection force to the force bearing part. The emergency escape rope ejection system for the public bus has the advantages that convenience is provided for the passengers to grab an escape rope, and falling and injuries are reduced.