33results about How to "Achieve anti-theft function" patented technology

The invention discloses an electric meter box device with the functions of preventing electricity stealing and carrying out monitoring. The electric meter box device comprises a reed tube, a power source, an alarm, a release switch and a time-delay relay. The power source, the alarm and the reed tube form a magnetic field alarm circuit. The time-delay relay, the release switch and the power source form a trigger alarm circuit. A mobile phone with the one-key get-through function is arranged below the time-delay relay. A camera module is arranged in a box body and used for collecting audio-video data and sending the audio-video data to an audio-video decoder, then compressed encoding processing is conducted on the audio-video data, and the audio-video data after the compressed encoding processing is conducted are sent to an M2M module and then are uploaded to a management platform through the M2M module. After the electric meter box device is used, not only is the good effect of preventing electricity stealing achieved, but also criminal offenders are arrested lawfully and unwittingly, arrogance of the criminal offenders is greatly struck, and behaviors of stealing electricity and damaging an electric meter box are eliminated.

The invention provides a car-mounted antitheft device and system, and relates to the technical field of car theft prevention. The car-mounted antitheft device comprises a controller, a fingerprint card reader, a touch input screen, a solenoid valve, a communication unit, a speed sensor, a vidicon, a positioning unit and an alarming unit. The controller is electrically connected with the fingerprint card reader, the touch input screen, the solenoid valve, the communication unit, the vidicon, the positioning unit and the alarming unit, and the solenoid valve is used for being arranged between a fuel spray nozzle of a car and a car oil tank. The controller is used for sending a first control signal to the solenoid valve to switch on the cut-off solenoid valve when fingerprint information acquired by the fingerprint card reader is matched with pre-stored fingerprint information or an input password generated by the touch input screen is matched with a pre-stored unlocking password. The car-mounted antitheft device and system have a good anti-theft function.

The invention discloses an anti-theft method of a mobile terminal. A device with a wireless transmission mode is adjusted to an Ad-Hoc mode, under the mode, two or more devices which need to be added into an anti-theft network by a user and have a wireless transmission function are connected through a wireless network to form an Ad-Hoc network system, and anti-theft systems of the devices are started; all the devices which are added into the Ad-Hoc network system actively sends the identifying information thereof to other devices; during a wireless communication process carried out in the devices, the devices judge the distance between the devices and other devices in the Ad-Hoc network system according to the intensity of received signals, and when the intensity of the received signals is lower than a safety range, all the devices which are added into the Ad-Hoc network system send alarming signals; or when a certain device in the Ad-Hoc network system stops sending of identifying information thereof, all the devices which are added into the Ad-Hoc network system send alarming signals. In the device-anti-theft process, theft crimes can be fundamentally reduced.

The invention relates to a novel antitheft processing structure of a photovoltaic inverter, which comprises a back plate, a photovoltaic inverter self-mounting buckle, a photovoltaic inverter middle gear U-shaped groove, a lock, a photovoltaic inverter upper lid and a casting box, wherein the casting box is connected with the photovoltaic inverter upper lid; the back plate is arranged on the casting box and provided with the photovoltaic inverter self-mounting buckle; the photovoltaic inverter middle gear U-shaped groove is formed on a photovoltaic inverter back cooling fin; and a back plate lock hole locked by the lock is formed at a 90-degree bent position on the top of the back plate. A U-shaped groove formed below the lock hole of the back plate is a translation groove for mounting a photovoltaic inverter. The structure greatly reduces the back plate dimension, has an antitheft function, reduces the material of the back plate and the cost of the whole machine, and improves the competitiveness of the whole product.

The invention discloses an anti-theft door with a hydraulic locking device. The anti-theft door with the hydraulic locking device comprises an installing wall and a floor and is characterized by comprising a vertical plate, a doorframe, an anti-theft door, a hydraulic controller, a hydraulic cylinder and a pull rod, wherein the vertical plate is positioned at the left side of the front end of the installing wall, the vertical plate and the installing wall are in threaded connection, the doorframe is positioned at the central part of the right end of the vertical plate, the doorframe and the vertical plate are in welding connection, the anti-theft door is positioned at the central part inside the doorframe, the anti-theft door and the doorframe are movably connected, the hydraulic controller is positioned at the central part of the lower side at the right end of the vertical plate, the hydraulic controller and the vertical plate are in threaded connection, the hydraulic cylinder is positioned at the central part of the right end of the vertical plate, the hydraulic cylinder and the vertical plate are in threaded connection, the pull rod is positioned at the central part of the front end of the hydraulic cylinder, and the pull rod and the hydraulic cylinder are in threaded connection. Compared with the prior art, a person controls the hydraulic controller by using a remote controller to control the hydraulic cylinder to control the pull rod to extend and retract, so that the opening and the closing of the anti-theft door are achieved; the pressure magnitude of the hydraulic cylinder can be adjusted through a hydraulic press; the larger an external force is, the larger the pressure generated by the hydraulic controller is, so that completely self-locking and anti-theft functions are achieved.

The invention provides an anti-theft nut for an iron tower. The anti-theft nut comprises a hexagonal nut body, an anti-theft driving assembly, an outer sleeve and an extrusion locking assembly. The hexagonal nut body is mounted in the outer sleeve through the anti-theft driving assembly, the anti-theft driving assembly is disposed between the hexagonal nut body and the outer sleeve, springs are disposed between the anti-theft driving assembly and the outer sleeve, a first driving hexagonal cavity is formed in the center of the anti-theft driving assembly and matched with the hexagonal nut bodyfor installation, a first hexagonal body is disposed under the anti-theft driving assembly, the inner wall of the outer sleeve is provided with a second driving hexagonal cavity cooperating with thefirst hexagonal body, and an idling cavity is formed under the second driving hexagonal cavity. The extrusion locking assembly is mounted in cooperation with the hexagonal nut body and the anti-theftdriving assembly, the extrusion locking assembly controls the anti-theft driving assembly to move downward and drives the first hexagonal body to fall into the idling cavity, the nut body can be effectively prevented from being dismantled, and an anti-theft function is great.

The invention discloses an antitheft foundation bolt for an iron tower and an application method of the antitheft foundation bolt, and relates to the technical field of iron tower protection equipment. The antitheft foundation bolt comprises a pre-buried portion, a screw fixedly connected to the pre-buried portion and a fastening nut in threaded connection to the screw. A radial hole formed on theperipheral face of the screw is arranged on the side, away from the pre-buried portion, of the fastening nut. A conic pin with one end extending out of the radial hole is inserted in the radial hole.The end, extending out of the radial hole, of the conic pin can prevent a foundation nut from being screwed out. A limiting hole is arranged at the end, inserted in the radial hole, of the conic pin.An axial hole capable of communicating with the limiting hole is formed at the outer end of the screw. An axial pin is contained in the axial hole, wherein when the axial pin is inserted into the limiting hole, the tail end of the axial pin is flushed with the tail end of the screw. The problems that in the prior art, an antitheft foundation bolt is low in antitheft effect, complex in structure and inconvenient to machine are solved; and the antitheft foundation bolt has the advantages that antitheft is achieved, the structure is simple, the foundation nut can be fastened many times on the basis of achieving antitheft, quantization checking and accepting are achieved, and the cost is low.

The invention discloses a control type foot stand structure for an electric vehicle switch. The problem that in the prior art, when an electric vehicle is used, a lock at the position of a wheel needs to be unlocked firstly, then the electric vehicle can be started, and operation is very complex is solved. The control type foot stand structure comprises a foot stand fixing part and a foot stand body installed on the foot stand fixing part, a clamping connecting buckle is arranged at the position of the top end of the foot stand body, and a clamping connecting opening is formed in the clamping connecting buckle. The foot stand fixing part is further provided with a telescopic rod used for stretching in and stretching out of the clamping connecting opening, a drive device driving the telescopic rod to stretch and contract, and a control switch controlling the drive device to be started and stopped. The control switch is connected with the electric vehicle switch in series. According to the control type foot stand structure for the electric vehicle switch, a lock does not need to be additionally arranged, theft preventing is achieved, and meanwhile operation steps during use are simplified.

The invention provides a hidden lock. The hidden lock is used for executing the locking state or the unlocking state of a vehicle body and comprises a cavity tube, a lock body and a locking wire; thelock body is arranged in the cavity tube and comprises a first lock piece and a second lock piece; the first lock piece and the second lock piece are connected with a handle and a front fork of the vehicle body; the linkage state exists between the first lock piece and the second lock piece; the locking wire is arranged in the cavity tube, is located at one end of the lock body, telescopes insideand outside the cavity tube and corresponds to a buckle arranged on at least one of the lock body and the vehicle body; and the embedment state exists between the locking wire and the buckle. The locking state or the unlocking state of the vehicle body is decided by at least one of the linkage state of the lock body and the embedment state of the locking wire. The lock can be combined with the vehicle body and does not have significant appearances of traditional locks.

The invention discloses an anti-theft parking space lock, which comprises a base, an installation seat and a locking arm. A power source body, a micro controller and a vibration sensor are arranged in the installation seat, an alarm is arranged in the middle of a long lateral wall of the base, a reset switch is arranged at the bottom of the base, the vibration sensor is connected with an analog/digital (A/D) port of the micro controller, the alarm is connected with an input/output (I/O) port of the micro controller, the reset switch is connected with the I/O port of the micro controller, and the power source body is electrically connected with the micro controller. The anti-theft parking space lock is simple in structure, convenient and practical. After a sensing integrity of the vibration sensor is moved, weak analog signals are converted into digital signals, and then the micro controller drives the alarm to work and give out alarm, thereby further achieving the anti-theft function and bringing great convenience to users.

The invention discloses an antitheft mechanism for an escalator cover plate, and relates to the technical field of escalators. The antitheft mechanism comprises the cover plate, the bottom of the cover plate is fixedly connected with one end of a triangulation chain, the other end of the triangulation chain is fixedly connected with an angular part, two ends of the angular part are connected with a first antitheft rod and a second antitheft rod through connection blocks respectively, and a split pin is arranged between each connection block and the angular part. The antitheft mechanism is simple in structure and convenient to operate, and the cover plate cannot be stolen.