254results about How to "High protection level" patented technology

The invention discloses a novel power system network security protection and verification method and system. The method comprises the following steps: monitoring network traffic and log data, forming a network space behavior analysis rule by using a machine learning algorithm or a path search algorithm, and generating an attack path from an attacker perspective; constructing a network attack behavior event association model oriented to an attack and defense scene of the power system based on an analysis result of the attack path, and automatically identifying a network threat; aiming at the identified network threats, integrating power network security domain knowledge, a power monitoring system network plan and an on-site disposal scheme by utilizing a knowledge graph technology, and automatically generating a protection strategy; comprehensively evaluating the protection effect of the protection strategy through a pre-established evaluation system, and verifying and optimizing the protection effect by simulating a real attack and defense scene. According to the scheme of the invention, the accuracy and timeliness of threat identification are improved, and the verification process of a protection strategy is simplified.

The invention discloses a new energy automobile charging connection device and a using method thereof, belongs to the technical field of new energy automobile auxiliary power supply, and provides the following scheme that the new energy automobile charging connection device comprises a charging pile body and a charging gun head installed on the side face of the charging pile body through a transmission line, and the charging gun head is provided with a fixing structure and a driving structure; by arranging a fixing structure and a driving structure, when the charging gun head is inserted into the new energy automobile, all suction cups are tightly attached to the outer wall of the new energy automobile, an operator adjusts an electric push rod to extend, a movable disc moves away from the suction cups in a sleeve at the moment, and under the effect of negative pressure in the sleeve, the new energy automobile is charged. According to the new energy vehicle charging gun head fixing device, the suction cup and a new energy vehicle are sucked, fixing treatment of the charging gun head is completed, the firmness of the charging gun head during charging of the new energy vehicle is ensured, the falling risk caused by accidental touch and other factors is avoided, and the safety and efficiency of charging operation are greatly improved.

The utility model discloses a terrestrial magnetism acquisition device, and belongs to the field of instruments and meters. A shell of the geomagnetic acquisition device is of a cylindrical sleeve structure and comprises a top cover, a middle section and a bottom cover. The battery is arranged between the bottom cover and the middle section; the bracket is arranged above the battery and is positioned in the top cover; the PCB is arranged on the bracket and is connected with the battery; the geomagnetic sensor is arranged on the PCB and is used for collecting geomagnetic signals; the communication unit is arranged on the PCB and used for outputting geomagnetic signals. A cylindrical sleeve structure is adopted to improve the system protection level and facilitate mounting and dismounting; the low-power-consumption design ensures that the long-term outdoor working time is more than 10 years, and the maximum power consumption during working is only 2mA; the geomagnetic sensor collects magnetic field data in real time, the magnetic field data is processed by the communication unit and then output and uploaded to the cloud, efficient collection and transmission of the geomagnetic data are achieved, and the overall performance of the system is improved.

This utility model discloses a display device with a data protection mechanism. The display device includes a display module, a frame, a server chassis, and a control system. The display module is fixed to the front end of the frame. A HUB board and a data receiving card are located inside the frame. A system security sub-board is located inside the server chassis. The display module is electrically connected to the HUB board via a signal connector. The HUB board is electrically connected to the data receiving card and the system security sub-board. The server chassis is fixed to the frame. The system security sub-board is electrically connected to the data receiving card via a data cable and is also electrically connected to the control system. If any display module is removed, the system security sub-board will send a signal to the control system to stop playback and data output. This protection mechanism enhances the protection level, increases the difficulty of intrusion, effectively protects the data transmission of the display device, and meets the requirements of digital rights management (DRM).

The utility model provides a high protection level electrical equipment cabinet, the cabinet is divided into an upper part and a lower part of an open cabin and a sealed cabin, the open cabin is used for installing heat exchange equipment, and air inlet filter screens are installed at the front and the back of a cabinet body of the open cabin; the sealed cabin is used for installing electrical equipment, adopts a cabinet door design that two doors are oppositely opened, and comprises an auxiliary cabinet door and a main cabinet door which are arranged left and right; the side surface of the auxiliary cabinet door is provided with a crimping sealing structure. A rubber strip groove is formed in the side face of the main cabinet door, and a sealing rubber strip is arranged in the rubber strip groove. When the two doors are closed, the crimping sealing structure of the auxiliary cabinet door is pressed into the adhesive tape groove of the main cabinet door. A water retaining strip is arranged in the middle of the sealed cabin top cover and used for draining water flow above the cabinet door from the two sides. Through the special structural design, the weakest waterproof link at the top of the double doors is effectively protected, and the protection level of the whole electrical cabinet is improved.

The invention relates to a low-noise high-protection direct-current charger and a control method, and belongs to the technical field of electric automobile charging, the charger comprises a cabinet body, the inner cavity of the cabinet body is divided into an electrical cabin and a charging cabin by a front and rear cabin partition plate, and a high-protection shutter is installed on the side wall of the charging cabin; a silencing barrel is arranged in the charging cabin, and the silencing barrel is arranged on a high-protection shutter extending into the charging cabin in a sleeving manner; the charging module is arranged in the charging cabin; a cooling fan is arranged above the charging module; the rear wall of the charging cabin is provided with an air outlet of the cooling fan, and the air outlet is covered with a turning noise reduction cover; a temperature sensor and a controller are arranged in the charging cabin; the controller is connected with the temperature sensor and is used for monitoring the temperature in the charging cabin; the controller is further connected with the cooling fan and used for controlling the running state of the cooling fan. The cooling fan can drive air in the charging cabin to flow circularly, heat dissipated by the charging module is discharged out of the cabinet body and interacts with external air circularly, and the temperature in the charging cabin is reduced.

This utility model relates to the field of steel door technology and discloses a safety protection structure for preventing hand pinching in steel cleanroom doors. The structure includes a door frame, a support frame fixedly connected to the top of the door frame, a motor fixedly connected inside the support frame, an elliptical wheel fixedly connected to the drive end of the motor, a sliding shaft fixedly connected to the top of the elliptical wheel, a connecting rod slidably connected to the outer wall of the sliding shaft, a fixed shaft rotatably connected to the inner wall of the connecting rod, a rotating block fixedly connected to the outer wall of the fixed shaft, and a rotating shaft rotatably connected to the top of the rotating block. In this utility model, an infrared sensor controls the motor to drive the elliptical wheel to rotate, stopping the cleanroom door from rotating and causing it to rotate outwards. When an object moves away from the vicinity of the cleanroom door, the motor reverses, the sliding shaft slides to the end of the groove, and the connecting rod drives the rotating block to reset, achieving the anti-pinch function. This structure also provides safety protection; even when the door is stopped, it can still rotate in the opposite direction to prevent objects from getting stuck, thus improving the protection level.

The utility model discloses a copper bar assembly, include: first component fixed with at least two conductive parts, first component is connected with second component, and conductive part extends downward through second component, and first component and second component cooperate and form fixed cavity, and the fixed cavity is accommodated to the magnetic core, and conductive part passes through the magnetic core, and the isolating piece is connected with second component, and the isolating piece divides two adjacent conductive parts, and the magnetic core cooperates and forms the glue injection area with fixed cavity, and the glue injection area is filled with colloid, adopt first component and second component cooperation, relative to the prior art in a whole plastic piece, reduce the volume of whole, reduce the space occupied, second, improve the protection level of whole through the glue injection seal.

This application relates to the field of power equipment technology, specifically to an intelligent high-protection low-voltage control box, including a box body, an outer door panel, and an inner door panel. The box body has a door frame, the inner door panel is hinged to the inner side of the door frame, and the outer door panel is hinged to the outer side of the door frame. The outer door panel is provided with a door lock assembly to lock the outer door panel to the door frame. The inner side of the outer door panel has at least one ring of foam strip corresponding to the door frame for sealing the outer door panel and the box body. The door lock assembly passes through the outer door panel, and a sealing structure is provided between the two. The box body contains an intelligent monitoring and protection module for protecting and controlling power equipment. The box body is provided with a connector assembly for connecting and disconnecting cables. This application solves the problems of low protection level and poor sealing performance of existing intelligent low-voltage control boxes.

The invention belongs to the field of coal mine underground ventilation safety, and relates to an Ma protection level anti-explosion draw-out type ventilator for positive pressure protection in an explosive-proof motor, which comprises a fan flow channel, the explosive-proof motor arranged in the fan flow channel, an impeller in transmission connection with the explosive-proof motor, and a junction box for controlling the explosive-proof motor, the explosion-proof motor further comprises a pressurization sealing cavity which is communicated with the inner cavity of the explosion-proof motor and the inner cavity of the junction box, and the pressure of the pressurization sealing cavity is larger than that in the fan flow channel, so that explosive gas flowing through the fan flow channel cannot enter the pressurization sealing cavity. On the basis of a common explosion-proof draw-out type ventilator, the inner cavity of the explosion-proof motor is communicated with the inner cavity of the junction box in a sealed mode, the pressurization sealing cavity is formed, so that external explosive gas is prevented from entering the inner cavities of the explosion-proof motor and the junction box, and therefore the protection level of the common explosion-proof draw-out type ventilator is improved to the Ma protection level; the safety problem of an existing anti-explosion draw-out type ventilator is solved.

The utility model discloses a power supply module of a multi-shaft servo driver, which is arranged and electrically connected with a driving module through the joint cooperation of a bottom plate assembly and a connecting seat assembly at the rear end, and comprises a power supply shell, a power supply middle frame, and a fan assembly and a keyboard assembly which are independently arranged and detachably connected, a keyboard assembly installation clamping groove and a control panel installation groove position are formed in the power source shell, a control cover plate is detachably connected to the control panel installation groove position, the power source middle frame comprises a bottom plate and an isolation plate, a power source plate and a power plate are installed on the isolation plate in a matched mode, and the power source plate is electrically connected with the power plate; according to the utility model, through reasonable internal structure layout, the overall size is effectively reduced, a better heat dissipation effect and a higher protection grade are achieved, and meanwhile, the independent keyboard assembly and fan assembly design is adopted, so that the installation, debugging and maintenance are also very simple and convenient; and the connector is arranged at a reasonable position, so that the electric connection with the driving module at the rear end can be quickly and efficiently realized.

The automatic fire extinguishing equipment comprises a protective shell, a lithium battery body is connected to the interior of the protective shell, a heat dissipation sealing mechanism is arranged on the outer side of the protective shell, and a partition fire extinguishing mechanism is arranged on the inner side of the protective shell; the heat dissipation sealing mechanism is arranged on the outer side of the protective shell, and the connecting piece, the multiple sealing blades, the first supporting arm, the second supporting arm, the extending plate, the transmission piece and the adjusting rod are arranged in a series linkage mode, so that the first motor can synchronously adjust the opening or closing state of the multiple sealing blades when being controlled and driven; in the normal working process of the lithium battery body, efficient heat dissipation is achieved in cooperation with the ventilation pipe and the heat dissipation fan, the ventilation channel can be rapidly closed when temperature rises abnormally, external air is prevented from entering the protection shell, and the combustion condition is weakened from the environment level.

A structure for improving the protection grade of a circuit breaker comprises a circuit breaker body and a plurality of sealing elements, the body comprises a base, a main face cover is installed on the upper portion of the front surface of the base, a top cover shell is installed on the upper surface of the base, a secondary terminal is installed on the front side of the upper surface of the base and covered by the main face cover, an arc extinguish chamber is located in the base, and the sealing elements are arranged in the arc extinguish chamber. The switch is characterized in that a first sealing element is arranged between the main face cover and the top cover shell, the base and the secondary terminal, a second sealing element is arranged between the main face cover and the handle, a third sealing element is arranged between the arc extinguish chamber and the top cover shell, a fourth sealing element is arranged at the position of a lock knock-off hole in the main face disconnecting position, and the second sealing element is arranged at the position of a lock knock-off hole in the base. A fifth sealing piece is arranged at the heat dissipation holes in the bottom of the main face cover. And by adding the sealing element, the protection grade of the product is improved, and the use reliability of the product under the severe use environment condition is met.

The invention discloses an electric control box, and the box comprises a box body which is provided with a mounting groove; the control panel is mounted in the mounting groove, and the control panel comprises a main board body and a power device connected to the main board body; the radiator is in heat-conducting connection with the power device; and the insect-proof cover covers one side, back on to the radiator, of the power device, and an insect-proof space for accommodating the power device is defined between the insect-proof cover and the radiator. Through local sealing protection of the power device, comprehensive sealing of the whole electric control box is not needed, infestation of insects to core components is accurately blocked, and protection redundancy caused by integral sealing is avoided. In terms of heat dissipation efficiency, heat transfer loss is reduced through direct heat conduction connection of the radiator and the power device, meanwhile, heat exchange between the radiator and the outside is not affected by the layout of the insect-proof cover, and the heat dissipation effect is guaranteed; on the aspect of structural optimization, the overall sealing structure is simplified through the local protection design, the size of the electric control box is reduced, and the assembly complexity and the production cost are reduced.

The utility model is suitable for the technical field of methane telemeters, and provides a novel off-axis handheld laser methane telemeter which comprises a laser telemetering module, a shell assembly and a handheld assembly. The laser telemetering module comprises a photoelectric shell, a receiving lens and a main control board; a detection laser emission module and an indication laser emission module are arranged in the photoelectric shell, and the detection laser emission module and the receiving lens are installed at an included angle of 10 degrees; the shell assembly comprises a shell body, a sighting telescope and a display screen. The handheld assembly comprises a handle body, a key and a battery; the handle body is connected with the shell body; the button is arranged on the handle body, and a battery is further arranged in the handle body. The device is high in precision detection and strong in portability and durability; the whole machine is light in weight and can be operated by a single hand; and maintenance can be facilitated through a modular structure.

This utility model discloses a lockable sliding switch, comprising: an upper shell and a lower shell, the upper shell and the lower shell being connected to form a closed outer shell structure; a rotary lock seat, rotatably disposed within the upper shell and the lower shell; and a fixed lock seat, fixedly disposed within the upper shell and the lower shell, forming a relative rotational relationship with the rotary lock seat; the rotary lock seat is provided with a first locking plate, and the fixed lock seat is provided with a second locking plate; when the rotary lock seat is rotated to the locked position, the first locking plate and the second locking plate abut face to face, blocking the rotation of the rotary lock seat; the rotary lock seat is provided with a lock hole, and when the rotary lock seat is in the locked position, an external lock can be inserted into the lock hole and locked. This lockable sliding switch has the characteristics of double locking to prevent misoperation, stable gear switching, and reliable contact.

The utility model relates to low -voltage power distribution cabinet technical field discloses a GGD modified cabinet of high protection level, including bottom plate, first cabinet body and second cabinet body, first cabinet body and second cabinet body all are located bottom plate, between first cabinet body and second cabinet body articulate simultaneously, it is movable connection between first cabinet body and bottom plate, it is fixed connection between second cabinet body and bottom plate, wherein, be equipped with metal mounting plate on bottom plate, be equipped with spherical fastener on metal mounting plate, the downside of first cabinet body is equipped with buckle lever, and the cooperation of spherical fastener and buckle lever replaces traditional bolt connection, makes cabinet body opening and closing time shorten to 30 seconds, promotes maintenance efficiency, guarantees the safety of core element with fixed cabinet body, and movable cabinet body is convenient for daily operation, solves the contradiction of 'protection' and 'convenience', galvanized steel sheet, sealing strip and inductive positioning structure improve cabinet body protection level, expand the application scene of GGD cabinet.

The embodiment of the invention provides a detection method, system and device for defending network attacks based on a Netfilter framework, the detection method is applied to a defending system, a defending system client and a server to be accessed by the client, and the method comprises the following steps: sending access traffic from the client to an authentication tunnel module through a first detection point, performing authentication judgment, and after the authentication is passed, starting a flow of establishing a secure communication tunnel with the client by the defense system; sending the data packet uploaded to the application layer to an application firewall module through a second detection point, and carrying out Web attack class detection; the second detection point and the first detection point are respectively arranged on a PREROUTING chain of a Netfilter framework; sending the data packet detected by the application firewall module to a packet filtering module through a third detection point, and performing network layer detection; and the third detection point is arranged on an FORWARD chain of the Netfilter framework.

The invention discloses a road maintenance site AI video sensing vehicle intrusion prevention and hidden danger self-inspection early warning system, and belongs to the technical field of road maintenance safety prevention and control. The system adopts a layered framework of a sensing layer, a transmission layer, a platform layer and an application layer, double AI cameras are used for realizing accurate identification of vehicle intrusion, hidden dangers and'three violation 'behaviors, and a'identification-early warning-supervision-rectification-tracing' management closed loop is constructed by matching an acousto-optic early warning device and a double transmission mode. The system can be quickly deployed in various operation vehicles or fixed structures, adapts to complex outdoor environments, has the advantages of high recognition precision, quick response and high compatibility, is suitable for maintenance scenes such as highways, national and provincial trunk lines, urban roads and the like, and can greatly improve the safety management level of maintenance operation.

A waterproof cover of a connector is characterized in that the waterproof cover comprises an inner core and an outer cover which are connected, the inner core is of a diameter-reducing cylindrical structure which is in matched insertion connection with the insertion connection end of the connector, the outer cover is a cover matched with the outer end face of the connector, and after the inner core of the waterproof cover is in inserted connection with the connector, the inner core is in a hollow cylindrical structure. The outer cover abuts against the outer end face of the connector in a sealed mode to achieve a first-layer external protection structure, and the inner core is inserted into the connector to enable the inner core to make contact with an inner cavity of the connector in a sealed mode to achieve a second-layer internal protection structure. The high-voltage switch cabinet has the advantages of being reasonable in structural design, good in protection effect and long in service life, and the protection level and the electricity utilization safety are greatly improved through the inner protection layer and the outer protection layer.

The application discloses a PCB board ESD protection method based on a composite TVS and a honeycomb ground, and specifically comprises the following steps: step S100, coping with external input impact layout; step S200, TVS array layout; step S300, honeycomb ground structure layout; step S400, PCB layering layout; and step S500, establishing a static electricity discharge special path. The application realizes that the ESD protection efficiency of a frequency band above 3GHz reaches 96%, the ESD protection level is improved to ±30kV, high-voltage external impact can be stably protected, and the honeycomb size effectively improves the overcurrent voltage capacity by adopting the honeycomb ground structure.

The utility model discloses a high-protection flip type vehicle-mounted socket of a new energy automobile. The high-protection flip type vehicle-mounted socket comprises a panel module and a socket module, the panel module comprises a flange panel and an upward turning cover, one end of a pin shaft is fixed to the two sides of the rear end of the upward turning cover, the other side of the pin shaft is rotationally connected to the rear end of the flange panel through a damper in a damping mode, and a first sealing ring is installed on the lower wall of an inner end ring of the upward turning cover. A socket body of the socket module is detachably connected to the lower portion of the flange panel in a threaded mode, an upper plug board shaft of the socket body is arranged in a middle through hole of the flange panel in a sleeving mode and located under the inner end ring, fixed-position hovering can be achieved when an upper turning cover is opened in a damping rotating mode, and when the upper turning cover is closed in a rotating mode, an upper plug board is located in the inner end ring and tightly sealed by a first sealing ring. According to the utility model, the socket is high in protection level, dust, water vapor and other foreign matters are effectively prevented from entering the socket, the service life of the socket is prolonged, and the use safety effect is ensured at the same time.

The utility model discloses a kind of lightweight high-strength cabinet main body support section bar, belong to cabinet section bar technical field, its technical scheme main point includes crossbeam, column and steel tee, the steel tee is set in the connecting place of crossbeam and column, by the first section bar main plate of crossbeam and column, second section bar main plate adopts W shape outer contour, by bending process forms wave shape cross section, when bearing perpendicular load, W shape structure will force be dispersed to each bending part, reduce single-point stress concentration, steel tee is welded after inserting with crossbeam, column by connecting protrusion, the elastic deformation ability of W shape outer contour and bending part relieves welding thermal stress, improve the fatigue resistance of connecting position, compared with traditional solid rectangular steel pipe, so that the weight of cabinet section bar can be reduced, while the bending strength is greatly improved, meet the urgent needs of industrial electrical integration to cabinet lightweight, improve protection level and multi-cabinet combination and other aspects.

The high-protection outer rotor axial flow fan comprises an outer rotor motor and a wind wheel, the outer rotor motor comprises a base, an outer rotor assembly, a rotating shaft and a stator assembly, and the base comprises a bottom plate and a sleeve protruding upwards from the middle of the top face of the bottom plate. The shaft support is installed on the two bearings, the top end of the shaft support is connected with the outer rotor assembly, the stator assembly is arranged outside the sleeve in a sleeving mode, an annular boss is arranged on the edge of the bottom plate, and a labyrinth sealing structure is formed by the annular boss and the end of the outer rotor assembly. The wind wheel comprises blades and a hub, the blades are installed on the outer side of the hub, and the hub is installed outside the outer rotor assembly through an installation support. The base is sleeved with an outer water retaining ring, an inner water retaining ring is installed on the installation support, and the outer water retaining ring and the inner water retaining ring are matched to form a water retaining device on the periphery of the labyrinth sealing structure. The waterproof and dustproof levels of the axial flow fan are greatly improved, the reliability is high, and the failure rate is low.

The utility model relates to the technical field of automobile wire harnesses, in particular to an automobile communication wire harness assembly which comprises an integrated communication body, a cable gland assembly is arranged on the side face of the integrated communication body, a sheath assembly is arranged in the cable gland assembly, and an overload protection wire set, a high and low temperature resistant wire set and a signal transmission wire set are arranged in the sheath assembly. According to the utility model, the cable gland consisting of the threaded cylinder rod, the rubber clamping ring, the clamping claw, the packing head and the like is used for clamping and fixing the automobile communication wire harness, and the cable gland can be arranged at the joint of a cable port and electrical equipment, so as to lead in a cable and fix the position, thereby achieving the sealing and explosion-proof effects; induced magnetic fields between every two adjacent coils can be offset through the twisted pairs, so that the anti-interference effect is achieved, the twisted pairs are used for enhancing the anti-interference capacity of the adjacent cables and reducing interference of signals of the twisted pairs to the outside, and the shielding layer can absorb the influence of electromagnetic force.

The utility model relates to the technical field of low-voltage comprehensive distribution boxes, and discloses a novel state grid standard low-voltage comprehensive distribution box, which comprises a plug-in intelligent compensation capacitor and an outgoing line loop busbar, and is characterized in that the plug-in intelligent compensation capacitor is arranged on the left side inside the comprehensive distribution box; the right side of the plug-in intelligent compensation capacitor is provided with a wire inlet copper busbar, and the right lower side of the wire inlet copper busbar is provided with a power supply metering transformer. The novel state grid standard low-voltage comprehensive distribution box is high in breaking capacity, good in dynamic and thermal stability, strong in practicability, novel in structure, high in protection level and the like, can be used as an updating product of a low-voltage complete set of switch equipment, and is widely applied to power consumers such as power plants, substations, industrial enterprises and the like. The device is used for electric energy conversion, distribution and control of power, illumination and power distribution equipment in a power distribution system with rated current of 800A.

The utility model relates to the field of wire outlet structures of electric appliance box covers, in particular to a wire outlet structure for a fan electric appliance box cover. Comprising an electric appliance box cover body, an annular wire outlet hole is formed in the electric appliance box cover body, a cable is led out of the wire outlet hole, an annular groove is formed in the wire outlet hole, a rubber sealing ring is embedded in the annular groove, a wire outlet hole cover is arranged on the wire outlet hole, and an oval groove is formed in the electric appliance box cover body. A fixing clamping plate is arranged on the electric appliance box cover body, the fixing clamping plate and the electric appliance box cover body are screwed and fixed, and a cable is arranged between a cable outlet portion of the fixing clamping plate and the oval groove. Through a triple sealing system of the rubber sealing ring, the wire outlet hole cover and the pouring sealant, dust, water vapor and other impurities can be more powerfully prevented from invading the interior of the electric appliance box, the protection grade of the electric appliance box is greatly improved, a more excellent and stable working environment is created for electric appliance elements, the service life of a fan is remarkably prolonged, and the service life of the fan is prolonged. And the equipment maintenance cost is further reduced.

The utility model relates to a crane controller with an integrated structure. The crane controller comprises a wireless communication unit, a logic control unit, a motor control unit A, a motor control unit B, a motor control unit C, a signal interface unit and a radiator. Compared with the prior art, the utility model has the advantages that: 1) the wireless communication unit, the logic control unit, the motor control unit A, the motor control unit B and the motor control unit C adopt an integrated design, the structure is compact, and the cost is low; 2) the signal interface adopts a quick plugging mode, so that the installation and the maintenance are convenient; and 3) the wireless communication unit and the logic control unit are integrated on one circuit board, the control is flexible, and the reliability is high. And 4) the motor control unit A, the motor control unit B and the motor control unit C all adopt modular design and are integrally fixed on the radiator, so that the power density is high, the size is small, and light weight is facilitated. And 5) an integrated structure design is adopted, a rapid plugging connection mode is adopted, the protection level is high, and the product life cycle is long.

The utility model relates to the field of hydrogen peroxide cartridges, and discloses a medical sterilization safety type hydrogen peroxide cartridge which comprises a cartridge body, a plurality of sealing covers are adhered to the top of the cartridge body and are transversely arranged, two groups of rectangular rings are symmetrically arranged at the top of the cartridge body, and the two groups of rectangular rings are symmetrically arranged at the bottom of the cartridge body. Two groups of round holes are symmetrically formed in the clamping box body, needle heads are connected into the round holes in a penetrating and sealing mode, a base plate is fixedly connected to the bottom ends of the needle heads, and springs are arranged on the outer walls of the needle heads in a sleeving mode. The sealing cover is easy to use, the sealing performance and the mechanical damage resistance are improved due to the fact that the sealing cover is made of aluminum-plastic composite materials, the round hole and the sealing block are designed in a closed hidden mode and can be shielded through the supporting pad, and therefore leakage is prevented, decomposition when meeting light is avoided, and the service life of the sealing cover is prolonged. The hydrogen peroxide capsule is protected by the capsule shell, the sealing cover and the cartridge body, so that the protection level is improved, and leakage and decomposition of hydrogen peroxide are prevented.

The totally-enclosed external rotor motor comprises an external rotor assembly and an internal stator assembly, the external rotor assembly comprises a casing, an end cover and a permanent magnet, the internal stator assembly comprises a stator core and a stator support, and the stator support is provided with an open cavity 1. Two sets of bearings are further arranged on the outer wall of the stator support, the inner edge of the end cover is installed on the stator support through the bearings, and a second closed cavity is defined by the stator support, the bearings, the end cover and the machine shell. The motor also comprises a fixed seat and spokes. The fixed seat is fixed on the stator support through the spokes. One end of the heat conduction part is located in the second cavity, and the other end of the heat conduction part penetrates through the stator support and then extends into the first cavity. According to the totally-closed outer rotor motor, the outer rotor assembly and the inner stator assembly are sealed in the closed space, so that the protection level is greatly improved, and the reliability of the motor is improved; and heat in the closed cavity II is led out to the open cavity I through the heat pipe for heat dissipation, so that the problem of difficulty in internal heat dissipation of the fully-sealed outer rotor motor is solved.