2219 results about "Electromagnetic lock" patented technology

The invention discloses a cage body structure of an intelligent mouse cage. The cage body structure comprises a cage body, wherein the cage body consists of a trapping bin, a capturing bin, a mouse storage bin, a controller, a storage battery, an electromagnetic lock, a linear motor, a gun lock motor, a travel switch, a first infrared sensor, a second infrared sensor, a gate and a main entrance. The cage body structure has the advantages of high mousing success rate, sustainable in capture, convenience in use and wide application environment range.

The invention discloses a transformer substation inspection robot system for detecting equipment in a box and a method thereof. The transformer substation inspection robot system comprises a robot and an automatic unlocking system installed outside the box. The automatic unlocking system comprises an electromagnetic lock and a control device. The control device comprises a single-chip microcomputer, a wireless communication module, an electromagnetic relay, a door-closing limiting switch and an alarm module. The automatic unlocking system is installed on a box door. The control device is installed in a lock body. The electromagnetic lock can be remotely controlled to be opened or closed by the robot and can also be manually opened or closed through a key. Through communication with the automatic unlocking system, the box lock can be automatically opened, and therefore detection and operation of the equipment in the box can be realized; the automatic unlocking system is compatible with a common key unlocking mode, and therefore an automatic robot inspection mode and a traditional manual inspection mode can coexist; a robot pan-tilt is provided with a lifting mechanism, and therefore the range of the equipment capable of being detected by the robot is greatly expanded.

Biometric sensors are used to control physical and logical access to various computer components or subsystems comprising a computer system. The biometric sensors may comprise fingerprint scanners, iris scanners or any other type of biometric sensor that can uniquely identify a person. The biometric sensors can be used to activate electromagnetic locks, which lock individual components within the system, or enabling locks which prevent devices from receiving power or being enabled (such as disk drives, network cards, etc.).

An emergency exit door lock system configured to cooperate with a door hinged in a door frame for sensing when a person attempts to open the door, and for allowing the door to open after a subsequent delay. The system comprises an electromagnet affixable to a door frame for electromagnetically attracting an armature resiliently affixed at a variable armature separation distance to an armature mounting device, the device being affixable to the door. A proximity sensor including an analog Hall Effect device is mountable to the frame for detecting movement of the door away from a closed position. A controller, such as a micro-controller, receives a signal from the sensor and causes an alarm as a function of the signal. The signal is indicative of the armature separation distance, the controller being calibrate-able to provide a door alarm signal and door opening signal at any desired value of the armature separation distance.

A remote network seal-affixing device able to automatically affix seal under the control of remote signal and with high safety is composed of a box consisting of upper cover, main body, hydraulic cylinder, interface and electromagnetic lock, a sealing moving unit, a sealing holder, a document bearing tray, a seal destroyer, a recognizer, a projector, a camera head, and a control circuit.

The invention discloses a shared electric bicycle. The electric bicycle adopts a parking pile parking mode. A charger is integrated in the parking pile. Only a direct current anode and a direct current cathode are led out of the electric bicycle. The direct current anode, the direct current cathode and a locking plate form a direct inserting type structure together. The problems of charging and parking are solved. Safety is improved by adopting the modes of a high-strength vehicle body, speed limit, voice prompt and code scanning real name authentication (for preventing a child from riding the electric bicycle under the condition of no guardian). The anti-theft coefficient is increased by adopting the integrated totally-closed vehicle body, an electromagnetic lock, positioning, an adjustable and non-drawable vehicle seat and screw parts different from market normalization. The problem of temporary parking is solved by adopting a temporary two-dimensional code scheme. The riding feeling is improved by adopting rubber particle tires and a more intelligent logistic system.

The invention discloses an unattended logistics transceiving system. The unattended logistics transceiving system is characterized by comprising a site operation cabinet (1), a site storage cabinet (2), a server (3) and a client-side (4), wherein a manual operation table (11) is arranged at the upper part of the site operation cabinet (1), and comprises an electronic display screen (110), a 2nd-generaiton ID (identity) card reader (111), a liquid crystal touch screen (containing a micro machine) (112), an operation prompting diaphragm (113) and a pinhole camera (114); and a package processing tool cabinet (10) is arranged at the lower part of the site operation cabinet (1), and comprises a bar code machine (101), a weighing table (102), an illuminating lamp (103) and an electromagnetic lock (104). Aiming at the disclosed unattended logistics transceiving system, the invention also discloses a dispatching and receiving method. The unattended logistics transceiving system and the unattended logistics transceiving method provided by the invention have the advantages of low construction cost, simplicity and flexibility in operation, labor and time conservation, and high safety and reliability, and can be widely applicable to places needing to dispatch and receive express deliveries frequently, such as office buildings.

The embodiment of the invention discloses a charging gun ejecting device. The charging gun ejecting device comprises a charging base, an electromagnetic lock arranged on the charging base housing for locking the charging gun and a linear motor arranged on the charging base housing for flushing out of the charging gun, wherein the charging base comprises a charging base housing and a charging base body. According to the charging gun popping device, the electromagnetic lock and the linear motor are added, a charging gun can be locked by the electromagnetic lock so as to ensure that the charging gun does not fall off, the charging gun can be flushed out of the charging base by the linear motor, so that the charging gun can be withdrawn without manual operation, and on a special condition, the charging gun can be flushed out of the charging base by the linear motor. The invention further discloses a charging gun ejecting controller and control method.

The invention discloses a parking space for an electric vehicle, belonging to the technical field of vehicle charging equipment. The parking space for the electric vehicle comprises a ground, a charging pile and a charging gun. The charging pile is installed on the ground, a license plate recognition system is installed in the charging pile, and a license plate recognition system comprises a camera, the camera is mounted on the charging pile, and the license plate recognition system is connected with a controller. A stop mechanism is installed on the ground. A power mechanism is also installedon the ground. a charging gun disengagement mechanism is installed in the charging gun. The power mechanism is connected with the charging gun disengagement mechanism. An electromagnetic lock is alsoinstalled in the power mechanism, and the electromagnetic lock is electrically connected to the controller. The invention also provides a using method of the parking space for the electric vehicle. The parking space for the electric vehicle can not only prohibit the fuel vehicle from stopping, improve the usage rate of the charging pile, but also automatically disconnect the charging gun from theelectric vehicle when the driver forgets to unplug the charging gun and leave the electric vehicle, thereby reducing the damage of the charging device.

An electromagnetic lock with a receiving space defined by a housing and a cover, comprising a lock catch, an solenoid valve, an adjusting unit, and a decoration plate all of which are received within the receiving space. The lock catch is pivotally coupled to a housing by a positioning shaft in match of a torque maintaining element. The solenoid valve includes a movable shaft and an end stop adapted to the lock. The position of the end stop is changeable when a voltage is applied to the solenoid valve, thereby determining whether or not the lock catch is engaged into the bottom of the housing. The adjusting unit includes an slide carriage to receive the solenoid valve. A restoring spring is interposed between the slide carriage and a fixing piece. The adjusting unit further includes an adjusting element with an operating head sitting on a free side of the cover for controlling the position switching of the slide carriage, thereby controlling the position of the solenoid valve carried by the slide carriage relative to the lock catch. Accordingly, the electromagnetic lock may be brought into an unlocked or locked state.

The invention provides a storage compartment capable of delaying automatic door closing. The storage compartment comprises a compartment body, a compartment door, an electromagnetic lock, a controller, a password inputting device, a password generator, a password outputting device, an article storage button and a sensor, wherein the compartment body is rotatably connected with the compartment door; the password inputting device, the password generator, the password outputting device, the article storage button, the sensor and the electromagnetic lock are respectively and electrically connected with the controller; the electromagnetic lock and the sensor are arranged at the opening of the compartment body. According to the technical scheme provided by the invention, the storage compartment is improved, so that the problem of how to provide the storage compartment capable of detecting the opening/closing state of the door and automatically closing the door is solved.

The invention discloses a blocking against misoperation, alarming and protecting device of a high-voltage switch cabinet. The back door of the high-voltage switch cabinet prevents entering a system by mistake with electricity, and an electrified display DD2 and an electromagnetic lock DS close the back door of the switch cabinet; an electrified display DD1, an electromagnetic lock contact DS1 of the back door of the high-voltage switch cabinet and a voice alarm BJQ are connected in series to form an electrified voice prompt alarming loop; the electrified display contact DD1, a back door stroke contact QS1, an intermediate relay KB1, a normally open contact KB1 and a singlechip P3.2 signal input port are connected in series to form a singlechip 89C51 signal input circuit; the device singlechip 89C51 outputs power supply trip, unit alarming and accident recording circuits after sequential operation, thus making up the bug of an anti-misoperation system; the invention has blocking for preventing misoperation of workers, has voice prompt alarming for preventing misoperation of workers and is provided with a tripping system cutting off the power supply when workers are in dangerous voltage. The invention can ensure personnel safety of workers and avoid personal injury and death.

A security system with power saving feature includes an electromagnetic lock and a sensing module. The electromagnetic lock is for receiving a limited supply of an electric power supplied by a power supply circuit before a full supply of the electric power is delivered to the electromagnetic lock. The sensing module may cause the full supply of the electric power upon sensing a specific action signal caused by an environment change. Therefore, the electromagnetic lock may operate in a lock state with only the limited supply of the electric power and still operate in the same lock state even after the generation of the triggering signal. Thus, the time during which the electromagnetic lock operates with the full supply of the electric power is minimized, limiting the total power consumption accordingly.

The invention discloses a robot-based catering distribution method and system, the system comprises a server, a plurality of user terminals and a robot, and each user terminal comprises an acquisitionmodule and a first communication module; the server comprises a second communication module and a processing module; the robot comprises a third communication module, an instruction input module, a moving module, a positioning module, a control module, a scanning acquisition module and a meal taking information acquisition module; the robot is provided with a plurality of storage cells; Each storage cell is provided with a cabinet door; Each cabinet door is provided with an electromagnetic lock. The catering distribution is carried out based on the robot, the problem of manual distribution sanitation is solved, catering supervision and control in the distribution environment are perfected, so that the responsibility is traced, the catering distribution management intensity is improved, and the catering distribution workload and cost are reduced.

The invention particularly relates to the technical field of vending, discloses a vending system with a function of radio-frequency chip recognition and solves defects of low space utilization rate and low intelligent level of an existing vending system which adopts complex feed passages and mechanical mechanisms or a traditional cell cabinet form. The vending system comprises a box and a door, the door is provided with an electromagnetic lock, and the box is provided with a scanner, a control module and a communication module. The scanner is used for scanning wireless radio-frequency identification codes of goods in the box one by one, scanned and identified goods information is uploaded to the control module, and the control module controls and processes the goods information, counts quantity and category information of the goods in the box and transmits information acquired by statistics to a data output end and a background server.

A centralized monitoring system of a cable inspection well comprises a well lid protection monitoring center, a cable well state monitoring device and a data communication channel, wherein the cable well state monitoring device is controlled by a junction management unit, can realize control over an electromagnetic lock by using the interconnection characteristic of wireless or cable pipelines and adopting wireless or wired connection, and has the functions of well lid opening state monitoring, intra-well accumulated water monitoring and well lid crack detection. The system conducts network control over all cable inspection wells in a control range through a centralized monitoring device of the cable inspection well, and detects the opening and closing state, as well as the deformation, of a lid of the cable inspection well at real time. According to the request of a normal constructor, the centralized monitoring device of the cable inspection well authorizes the operations of well startup, well shutdown and the like with the system controlling the state of the cable inspection well on the spot. When the lid of the cable well is started illegally, lost, cracked or deformed and the like, the system timely gives an alarm to a monitoring center and directs and assigns maintenance personnel to handle in a centralized manner.

The invention discloses an intelligent charging system based on Internet of Things, and a business model of the same. The intelligent charging system based on Internet of Things includes a cloud server, a mobile device terminal, and a charging box, wherein the mobile device terminal and the charging box are wirelessly connected with the cloud server; an APP is preinstalled in the mobile device terminal; a circuit board is arranged in the charging box; an intelligent controller, a GPS positioned, a signal transmitting-receiving apparatus and a charge-discharge device are arranged in the charging box; one external surface of the charging box is at least provided with a charging interface; and each charging interface is provided with an independent two-dimensional bar code and an independent electromagnetic lock. The intelligent charging system based on Internet of Things can charge the user mobile terminal timely.

The invention discloses a block chain-based digital vein access control system, and belongs to the technical field of security systems. The block chain-based digital vein access control system structurally comprises a block chain database, host control software, a digital vein recognition module, a power module and an electromagnetic lock, wherein the block chain database is used for storing digital vein information of a user; the host control software is a control center of the digital vein access control system; the digital vein recognition module is used for collecting the digital vein information of the user; the power module is used for providing the digital vein access control system with power; the electromagnetic lock is used for controlling opening and closing actions of the access control system. Compared with the prior art, the access control system has the advantages that storage of the digital vein information of the user is carried out by using the block chain database, the risk of a failure of the whole system due to the fact that one node fails or is attacked is avoided and the security level of the access control system is improved.

The invention relates to the field of transformer maintenance safety, in particular to an anti-misoperation ground protection mechanism for a dry type transformer. The anti-misoperation ground protection mechanism for the dry type transformer comprises the transformer, a shell outside the transformer, a ground operation mechanism, a protection mechanism and a control mechanism; the ground operation mechanism comprises an operation connecting rod and a ground knife switch in the shell, an operation mechanism of the ground knife is connected with one end of the operation connecting rod, and the other end of the operation connecting rod penetrates out of an operation hole in the shell; the protection mechanism comprises a baffle and a first electromagnetic lock, the baffle is arranged on one side of the operation hole, and the first electromagnetic lock controls the baffle to shield the operation hole; the control mechanism comprises an electrified display arranged on the shell, the electrified display comprises three electrified sensors and a display body, the three electrified sensors are connected with wire inlet ends of a three-phase wire on a high-voltage side of the transformer respectively, and the display body is arranged outside the shell. The anti-misoperation ground protection mechanism for the dry type transformer has the advantages that during outage for maintenance, the ground knife switch can be operated outside the shell of the transformer to finish reliable grounding of the transformer, and accordingly personal safety of maintainers can be guaranteed.

The invention provides a flexible fixture device for machining aviation complex thin-walled parts and a fabrication method of the flexible fixture device. The flexible fixture device is characterized by comprising a plurality of fixture module structures, according to the fixture module structures, universal joints are installed at the tops of pistons, the multiple pistons are fixedly arranged in a fixture box body, one side of the fixture box body is provided with detection devices, the box corners are provided with an assistant supporting rod and machining reference zero-position marks, the box body wall is provided with an electromagnetic locking device and hand-actuated electromagnets, liquids are stored in the fixture box body, and liquids in piston cavities and the liquids in the fixture box body are circulated, and fixture modules are formed. The fabrication method comprises the following steps that firstly, the universal joints are installed on piston rods, the pistons are installed on the fixture box body, the assistant supporting rod is installed at one of the box corners, the detection devices are installed on the side faces of the fixture box body, then the flexible fixture modules are assembled, and the multiple flexible fixture modules which are of the same shapes as those of the thin-walled parts are assembled into the fixture device with the universal joints being in high-low transition and the edges being staggered. The flexible fixture device is simple in structure, convenient to operate, low in fabrication cost and high in interchangeability and modularization degree and has certain degrees of automation characteristics, and by means of the flexible fixture device and the fabrication method of the flexible fixture device, the production efficiency is greatly improved.

The invention relates to an electromagnetic locking device, in particular to a rotary joint locking device of a massage hand, belonging to the technical field of a massage device. The rotary joint locking device comprises a rotary joint mechanism and a locking mechanism for controlling the movement of the rotary joint mechanism. According to the rotary joint locking device, an electromagnetic lock is utilized for pinning a conical pin shaft into a positioning hole on a large gear at a joint to lock the joint. By adopting the locking mode, the locking mode of the existing joint locking mechanism for realizing joint locking by means of friction is changed and the problem of locking failure in the existing locking mechanism is solved.

An electromagnetic lock monitoring system for monitoring the strength of a magnetic field in an electromechanical lock which is created when a steel armature plate is closed against an electromagnet. The system utilizes dual Hall Effect devices positioned in such a way that both ends of the electromagnet and both magnetic fields are monitored, and that the resulting monitoring effectively covers the complete contact surface between the electromagnet and the armature plate. Preferably, the Hall Effect devices are disposed in series at the point of maximum flux density within the center element of an E-shaped electromagnetic core, at opposite ends of the core. If the magnetic flux is below a preset limit, a relay also in series drops out, triggering an alarm which may be sonic, electronic, and/or visual, as is known in the prior art.

The invention relates to the field of electrically driven vehicles, in particular to a locating pin type battery box quick-changing system of a new energy vehicle. The locating pin type battery box quick-changing system of the new energy vehicle comprises a battery inner box, a battery outer box, an electromagnetic lock latching mechanism and a sliding guide rail assembly, wherein a battery pack is installed in the battery inner box, the battery inner box is arranged inside the battery outer box, and the front end of the battery inner box is connected with the front end of the battery outer box through the electromagnetic lock latching mechanism. An outer wall bottom of the battery inner box is connected with an inner wall bottom of the battery outer box through the sliding guide rail assembly. A locating pin plate and a locating buckle are installed on a front end face of the sliding guide rail assembly, and a locating pin is installed on the locating pin plate. A locating latch is installed on a back end face of the sliding guide rail assembly, and the locating pin is installed on the locating latch. By means of the locating pin type battery box quick-changing system of the new energy vehicle, quick changing, fixing and locking of the battery box can be guaranteed, and firm fixing is achieved. The installation is guaranteed to be correct, the battery box is enabled to be quick and convenient to change, and the battery box changing efficiency is improved.