35results about How to "Realize self-protection" patented technology

The invention discloses a flexible display panel, which comprises a first substrate, a thin film transistor array, a light-emitting component layer and a self-heating layer, wherein the thin film transistor array and the light-emitting component layer are arranged on the first substrate in sequence; the self-heating layer is arranged on the flexible display panel; and the self-heating layer covers at least a part of a bendable area of the flexible display panel, and the self-heating layer generates heat when pressed. The flexible display panel can improve material flexibility of the bendable area, reduce damage of the bending force to the flexible display panel and realizes self protection of the bendable area.

The invention discloses a disk type permanent magnetic transmission device with a self-protection function. The disk type permanent magnetic transmission device includes an inner rotor and an outer rotor; the inner rotor comprises an inner rotor shaft, an inner rotor rotating disk, a radial fixed guide assembly and a plurality of springs; the inner rotor rotating disk is formed by enclosing a plurality of concentrically-arranged sector disks; the size of an inner cavity formed by enclosing the plurality of sector disks is a variable coupling area; the outer rotor comprises an outer rotor shaft, outer rotor movement disks and electric conduction metal disks. With the above structure adopted, speed adjustment can be realized through adjusting the variable coupling area, and therefore, axial space can be saved; when the inner rotor or the outer rotor are locked, electromagnetic forces between the inner rotor rotating disk and the electric conduction metal disks is electromagnetic repulsive forces; each sector disk can move fast towards a place where radius is minimum along the radial fixed guide assembly under the action of the electromagnetic repulsive forces and the elastic force of the springs, so that the variable coupling area can be decreased; and permanent magnets and the electric conduction metal disks are staggered, and therefore, eddy-current loss can be decreased, and self-protection of a mechanism can be realized.

The invention discloses a cloud platform service method and system for realizing access control based on a state machine, relating to the technical field of access control. Access control of different grades of services in a cloud platform server is realized through a state machine mechanism; different access permissions are granted to users through an authorization module in the cloud platform server; a processing module processes user request messages according to the permissions, and gives correct responses; when a user request is beyond the permission for a certain time, the user can temporarily lose the right for accessing the cloud platform server; the problem can be recovered through a timer mechanism; when users of different permissions request for the same service, the user having relatively high permission is preferably processed; the cloud platform server also can actively shield an illegal user; therefore, the security of the whole cloud platform is ensured; users can access all services in a permission range itself; and service grade values correspond to user permission values.

The invention discloses an anti-damage self-protection type new energy automobile charging pile. The invention relates to the technical field of new energy vehicles. The charging pile includes a base,a detection assembly is arranged in the base; waterproof cloth is arranged on the outer side of the upper surface of the base; a buoyancy airbag is arranged at the top end of the waterproof cloth; the buoyancy air bag is fixed through a fixing clamping ring. The fixed clamping ring is connected with the lifting ring through a connecting rod; the charging pile is scientific and reasonable and safeand convenient to use, the detection assembly is arranged to detect whether it rains or not, in rainy days, the fixation of the electromagnet to the lifting ring is relieved; accumulated rainwater isintroduced into a water inlet groove through a water inlet hole; when a water level buoyancy air bag in the water inlet groove floats upwards to provide buoyancy, the buoyancy air bag continuously rises along with the continuous rising of the water level, the charging pile is prevented from being damaged by the accumulated water flow, it can be effectively guaranteed that the charging pile is notdamaged in rainy days, and the self-protection of the charging pile is achieved.

The invention provides an underwater camera, which combines a sensor technology and a controller principle to realize autonomous protection of the underwater camera. The underwater camera adopts a holder structure to realize automatic movement of a camera lens. The underwater camera applies an inflation device to inflate a graphene film, so that it is guaranteed that the film and external water pressure are the same in pressure intensity. The adopted graphene film has the advantages of corrosion resistance, transparency and no influence on the shooting effect.

The invention discloses a protection method for a high-speed rail regenerative braking energy feedback system, which comprises the following steps of detecting a real-time signal of a key position ofthe system, judging a fault occurrence position and a type by a control module, and performing tripping, reclosing and inter-tripping protection actions according to the fault type. The protection method for the high-speed rail regenerative braking energy feedback system has the beneficial effects that (1) a detection sensor is arranged at the key position of the high-speed rail regenerative braking energy feedback system, protection of the high-speed rail regenerative braking energy feedback system is completed through detection, judgment and action, and the vacancy of the system protection method is filled up; (2) fault detection and protection inter-tripping logic can be used for timely and accurately processing different types of faults of the regenerative braking energy feedback system of the high-speed rail under different operation conditions, so that the self-protection of the fault feedback equipment of the substation is realized, and the fault of the feedback equipment does not influence the power supply of the substation; and (3) by detecting the running state of the 10kV power supply system of the rail, the island state can be recognized in time, and island running of the grid-connected inverter is prevented.

A solid-state battery having an overheat self-protection function belongs to the field of batteries. The specific scheme is as follows: the solid-state battery having the overheat self-protection function comprises a positive electrode, a negative electrode and a composite solid-state electrolyte positioned between the positive electrode and the negative electrode, and the composite solid-state electrolyte comprises a solid-state ion conductor material and an insulating thermal expansion material. The solid-state battery mainly aims at the characteristic that the electrolyte of the solid-statebattery does not flow, and the characteristic that the volume of an insulated solid thermal expansion material is expanded under a high-temperature condition is utilized. When the battery is locallyoverheated, the thermal expansion material corresponding to the local area is subjected to volume expansion, so the ion conduction impedance inside the composite solid electrolyte increases sharply, the internal current of the battery drop sharply, continued heating is prevented, and the self-protection effect of the battery in the case of overheating is achieved; and when the temperature of the battery is reduced, the thermal expansion material is recovered to the initial state, and the ion path of the region is recovered.

The invention discloses a USB connection port assembly comprising a female connection port and a male connection port adapted to the female connection port. In addition, the USB connection port assembly also includes a locking member, a control module and a detecting element. The male connection port is connected by being inserted into the female connection port so as to realize data transmission.When the detecting element detects that the male connection port is pulled out of the female connection port, the control module determines whether a pull-out condition is met currently; if not, thelocking member controls continuous connection between the male connection port and the female connection port. In addition, the invention also discloses a self-protection method of the USB connectionport assembly and a host. Therefore, the USB connection port assembly is locked during data transmission and is delocked and is drawn out after data transmission ending, so that self-protection of theUSB connection port assembly is realized and the safety and practicability of the USB connection port assembly are improved.

The invention relates to the related technical field of agricultural machinery, and discloses an integrated deep mud rotary cultivator suitable for culture in hilly and mountainous areas, the integrated deep mud rotary cultivator comprises an internal combustion engine mechanism and a speed regulating mechanism, the surface of the internal combustion engine mechanism is fixedly provided with a housing for protecting the internal combustion engine mechanism; and a control mechanism for integrally controlling the device is fixed on one side of the internal combustion mechanism, a crawler walking mechanism for advancing is arranged at the bottom of the internal combustion mechanism, the speed regulating mechanism is arranged on one side of the control mechanism, and a seat is fixedly mounted on the speed regulating mechanism. The crawler walking mechanism is arranged, a crawler plate for walking is arranged on the crawler walking mechanism, and meanwhile, a rotary tillage mechanism is arranged, so that in the advancing process of the crawler plate, the rotary tillage mechanism can be promoted to perform rotary tillage on land, the crawler plate can adapt to different terrains of a mountainous area, and the environment adaptability of the equipment is improved; and finally, the purpose of mechanized rotary tillage of mountainous land is achieved.

The invention discloses a rotary tooth type waste film picking machine with self-protection film picking teeth. The rotary tooth type waste film picking machine comprises a rack, a traction frame, a supporting wheel, a film rolling shaft, a horizontal roller, a conveying chain, a film picking mechanism, transmission mechanisms and the like. The traction frame and a gear box are arranged on the front upper portion of the rack. The supporting wheel, the film rolling shaft and a pressing roller are sequentially arranged below the rack from front to back. The conveying chain is arranged on the upper middle portion of the rack. The film picking mechanism is arranged on the rear upper portion of the rack. The transmission mechanisms are arranged on the two sides of the rack. According to the design, springs are additionally arranged on the film picking teeth so that the film picking teeth can be self-protected, the service life of parts is prolonged, and the operation reliability of the parts is improved; due to the design that bearings are arranged between a planetary plate and a fixed plate, the friction force between the planetary plate and the fixed plate is reduced, the flexibilityof the film picking mechanism is improved, and power consumption is reduced; the horizontal roller is additionally arranged in front of the film picking mechanism, thus, it can be guaranteed that thefilm picking teeth work on the same plane, and the picking rate is increased; due to the design of a tooth frame plate protection ring, mulching films are effectively prevented from winding the film picking shaft; and due to the same-direction rotation design of the film rolling shaft and the conveying chain, the film rolling success rate is increased.

The invention discloses an excessive electric heating self-extinguishing lamp which comprises a storage card and a mold-permeating grease exterior; a pointer is connected with the right end of the storage card; the lower surface of the pointer is connected with the upper end of a countercurrent handle; the lower end of the countercurrent handle is connected with a current tower; the left end of the storage card is blocked in a blocking slot above the storage card; an indicating handle is connected with the lower surface above the storage card; the lower end of the indicating handle is insertedinto a sealing template; two current racks are arranged on the lower end of the sealing template; an original wedge head is arranged above the storage card, so that the problem of connection error can be reduced and assembling is more convenient; the sealing template and the heating electric panel are additionally arranged, so that the heating electric panel can stretch under heating state when aheavy current is generated by the lamp, power-off protection of illumination can be realized and self-protection of illumination lamp can be realized.

The invention discloses an intelligent vacuum circuit breaker with self-diagnosis and self-protection functions, and particularly relates to the technical field of vacuum circuit breakers, the intelligent vacuum circuit breaker comprises a bottom plate and a vacuum circuit breaker body, the vacuum circuit breaker body is arranged at the top of the bottom plate, and the outer side of the vacuum circuit breaker body is sleeved with a protection cover; a temperature sensor and a humidity sensor are fixedly arranged on the surface of the inner wall of the top of the protection cover. The temperature and humidity in the cover are monitored in real time through the temperature sensor and the humidity sensor, when the temperature is too high, the power of the miniature fan is increased, the temperature becomes low, and the humidity is large, the miniature fan is adjusted to reduce the rotating speed, moisture is dried through heat of the vacuum circuit breaker body, normal operation of the vacuum circuit breaker body is ensured, and the service life of the vacuum circuit breaker is prolonged. When the smoke alarm detects smoke, the single-chip microcomputer is used for controlling the electromagnetic valve to be opened, dry powder rapidly flows out of the round pipe to extinguish fire, manual operation is not needed, the self-diagnosis and self-protection effects of the device are achieved, and the device is very convenient to use.