56results about How to "Avoid Electric Shock Hazard" patented technology

The invention relates to a circuit protective device which automatically monitors operation faults; the circuit protective device comprises an interrupter protective device of a grounding fault circuit, a grounding fault test circuit, a drive module, a solenoid loop and a circuit module which automatically monitors the operation faults; the circuit module which automatically monitors the operation faults consists of a main control system, a monitoring system and an indicating system. The main-control system is connected on the N wire of a power; the monitoring system is connected on the anode of Q1 and the base electrode of Q3; the indicating system is connected on the two input power contact pins of the solenoid loop. The input end and the output end of the circuit module which automatically monitors the operation faults are connected with the output end of the interrupter protective device of the grounding fault circuit; the output end of the circuit module which automatically monitors the operation faults is connected with the input end of the interrupter protective device of the grounding fault circuit; the input end of the circuit module which automatically monitors the operation faults is connected with output end of the drive module; the main-control system can form a periodical clearance concussion pulse; the monitoring system forms an interlocking amplifier and a comparator.

The invention discloses a power cable insulation monitoring system which is composed of a shell, an electric leakage electric-verification contact, a voltage-tolerance electric-verification contact, a controller and an alarm. An elastic connecting strip is arranged at the outer surface of the shell, at least two electric leakage detection binding posts and at least two voltage-tolerance electric-verification binding posts are arranged on the upper surface of the shell, at least one alarm is also arranged, a displayer, an adjustable boosting transformer, a storage battery set, an A/D converter, a microprocessor, and a wireless data transmitter form the controller and are all arranged in the shell, wherein an adjusting block of the adjustable boosting transformer is embedded in the upper surface of the shell. The power cable insulation monitoring system is simple in structure and convenient to operate, can randomly detect the insulation grade change situation when the cable is in working state during the whole process, gives an alarm in time, and overcomes the defects that operation staff must be closed to the detection equipment to operate the detection equipment, and therefore the potential safety hazard of electric shock during the detection process is eradicated.

The invention discloses a multi-aspect luminous high-power LED (light emitting diode) lamp bulb which can avoid electric shock danger, has good safety and excellent heat dissipation effect. The lamp bulb provided by the invention comprises a lamp cap (1), an insulating transmitting shell (2), a front end cover (3), a rear end cover (4), light source power panels (5) and a heat dissipation fan (6), wherein the insulating transmitting shell (2) is provided with an inner cavity; the light source power panels (5) are integrated with LED chips; the front end and rear end of the insulating transmitting shell (2) are respectively fixedly connected with the front part of the front end cover (3) and the front part of the rear end cover (4); the rear part of the rear end cover (4) is fixedly connected with the lamp cap (1); the inner wall of the insulating transmitting shell (2) is provided with a plurality of light source power panel slots (21) which extend axially; the light source power panels (5) are inserted in the light source power panel slots (21); the heat dissipation fan (6) is fixed in the inner cavity of the insulating transmitting shell (2); the front end cover (3) and the rear end cover (4) are all provided with air vents (90); and the light source power panels (5) are electrically connected with the lamp cap (1) through leads. The multi-aspect luminous high-power LED lamp bulb can be widely applied to the field of LED illuminating.

The invention relates to an automatic charging device of an electric automobile. An automobile charging port identifying and aligning system comprises a first moving assembly, an electric rotary table, a lifting device, a rotating arm and a control system, wherein the first moving assembly horizontally reciprocates in a first direction; the electric rotary table can rotate in a horizontal plane; the rotating arm rotates in a vertical plane; the control system is connected with the first moving assembly, the electric rotary table, the lifting device and the rotating arm; the electric rotary table is arranged on the first moving assembly; a fixed end of the lifting device is fixed to the electric rotary platform, and a supporting arm is arranged at a lifting end of the lifting device; the rotating arm is arranged on the supporting arm, and a second moving assembly for driving a charging gun to reciprocate in a second direction is arranged on the rotating arm; the charging gun is arrangedon the second moving assembly; and an external image acquisition device is arranged on the rotating arm, and the control system makes the charging gun be in butt joint with a charging port of a to-be-charged vehicle. Based on the automatic charging device of the electric automobile, plugging and unplugging actions of the charging gun can be quickly and automatically completed.

The invention discloses a test tooling for the performance of a motor. The test tooling includes: a test base, the top of which can be covered by a motor stator; a test probe for contacting a binding post of the motor stator, wherein the test probe is arranged on the test base; a support block connected to the test base; a test contact block for contacting the inner wall of the motor stator, wherein the test contact block is arranged on the support block. According to the invention, the motor stator is positioned above the test base, and the test probe on the test base and the test contact block are utilized to realize the performance test of the motor without connecting and dismantling a lead wire. Compared with the prior art, the needed time of the performance test of the motor is effectively reduced, and the test efficiency of the performance of the motor is effectively improved; the alligator clip is not adopted to avoid the electric shock risk caused by the broken alligator clip, and the tester cannot contact the test probe, so that the electric shock probability of the tester is reduced, and the safety and the reliability are effectively improved.

The invention belongs to the technical field of automobile charging, and particularly relates to a new energy automobile safe charging device. The device comprises a supporting seat, wherein the supporting seat is provided with a hook, one side of the supporting seat is fixedly connected with a charging platform, the other side of the supporting seat is fixedly connected with a base, a first lifting rod is arranged inside the base, the first lifting rod is fixedly connected with a first connecting rod, the first connecting rod is fixedly connected with a second lifting rod, a third lifting rodis arranged inside the base, the third lifting rod is fixedly connected with a second connecting rod, the second connecting rod is fixedly connected with a fourth lifting rod, four through grooves are formed in the bottom of the base, a third fixed disc is arranged on the base, a cabinet door is arranged on the charging platform, a door lock is arranged on the cabinet door, the charging platformis provided with a first electric wire connector, the first electric wire connector is connected with a charging wire, the charging platform is provided with a fixing groove, a charging handle is arranged in the fixing groove, a charging indicating lamp is arranged on the charging handle, and a canopy is fixedly connected to the upper side of the charging platform. According to the device, the problems that an outdoor light-small type charging device is inconvenient to carry and install and a charging head is required to be against electric shock are solved.

The invention discloses a high-voltage safety protection system of an engineering machine. The high-voltage safety protection system comprises a plurality of high-voltage modules, wherein each high-voltage module is provided with a protective cover; one high-voltage module is a power distribution box, and another high-voltage module is a supercapacitor; the power distribution box is connected with the other high-voltage modules; all high-voltage module are respectively provided with at least one protection switch; when the protective cover is opened, the protection switch is switched off so as to disconnect the supercapacitor and the power distribution box. The high-voltage safety protection system disclosed by the invention has the advantages that when a worker opens the protective cover of the high-voltage module for maintenance or other operations, the protection switch is in a switched-off state, simultaneously the supercapacitor and the power distribution are disconnected, so that the high-voltage energy is blocked, the safety of the worker and equipment is ensured and the safety coefficient is higher; and when the protective cover is opened, and the supercapacitor and the power distribution are disconnected instantaneously, so that the response speed is fast. The invention also discloses the engineering machine comprising the high-voltage safety protection system.

The invention relates to an intelligent and safe electric heating blanket which comprises a blanket body, a heating element composed of a nickel alloy low-voltage heating wire is arranged inside the blanket body, and a high-precision temperature sensor is set inside the heating element. The intelligent and safe electric heating blanket also comprises a control device with a MCU operation control unit, the regulation of the temperature range of 15 DEG C to 50 DEG C is achieved by controlling a MOS switch. The intelligent and safe electric heating blanket also comprises an isolation transformerDC power supply which outputs low-voltage direct current with the voltage lower than 24V. According to the invention, the hidden danger of the electric shock of a human body is fundamentally solved, the electromagnetic interference is completely eliminated, and the realization of the acquisition precision of +/-0.2 DEG C through an internal software algorithm is facilitated. The MCU operation control unit achieves the regulation of the temperature range of 15 DEG C to 50 DEG C by controlling the MOS switch, the control structure is simple, the loss is small, the response speed is fast. Vref can realize the instantaneous voltage rise to a safe voltage range, the heating power can be quickly increased, the reduction of a startup warm-up time is facilitated, and the acarus killing function isrealized.

The invention belongs to the technical field of sockets. The technical problem solved by the invention is: the safety performance of the existing socket is low. The technical scheme of the present invention is: a fingerprint locking safety socket, including a safety socket and a control module, the safety socket and the control module are detachably connected, the safety socket is evenly provided with jacks, and the safety lock modules are arranged on the jacks, and the control module The front side is provided with a fingerprint identification module and an initialization setting button, and a central processing unit is arranged in the control module, and the fingerprint identification module is electrically connected with the central processing unit through the RS485 module, and the security locking module is electrically connected with the central processing unit through the RS485 module. The beneficial effect of the present invention is that it can effectively avoid various hidden dangers of electric shock and prevent electric shock risks caused by various accidents; it solves the inconvenience of socket management in public places, can effectively prevent irrelevant personnel from using sockets indiscriminately, and prevents unnecessary waste of electric energy loss.

The invention relates to a protection device of a high-voltage transformer and electronic equipment, and belongs to the technical field of high-voltage transformers. The projection device comprises ahandle, a projection door, a convex strip, a groove, a projection box, a shell, cooling windows, an installation plate, a micro motor and a fan, wherein a high-voltage transformer main body is arranged in the projection box, a shell wraps an outer surface of the protection box, the protection door is connected with the protection box by a hinge, the handle is arranged on a front end surface of theprojection, the convex strip is fixed on a rear end surface of the protection door, and the groove is formed in a front end surface of the protection box. By the design, the problem of defects of anoriginal high-voltage transformer on a protection structure is solved; the cooling windows are symmetrically arranged at a left side and a right side of the protection box, the installation plate is fixed at an upper side of the protection box by an expansion screw, the micro motor is arranged on a lower end surface of the installation plate, and the fan is connected with the micro motor by a rotation shaft; and by the design, the problem of poor cooling effect of the original high-voltage transformer is solved, and the protection device is reasonable in structure, large in protection effect,good in cooling effect and high in safety.

The invention relates to an automatic charging robot for a new energy automobile. The automatic charging robot comprises a horizontally-arranged X-axis servo module, a Y-axis servo module arranged at the driving end of the X-axis servo module and perpendicular to the X-axis servo module, a multi-degree-of-freedom robot arm arranged at the driving end of the Y-axis servo module, and a mounting base arranged at the driving end of the multi-degree-of-freedom robot arm. An electric clamping jaw, a visual sensor, a laser displacement sensor and a cover opening and closing finger are respectively arranged on the mounting base. The robot can move to a plurality of charging piles at different positions, a charging cover can be automatically opened or closed through cover opening and closing fingers, the electric clamping jaw can clamp a charging gun to charge the automobile, and the position of the charging cover on the automobile and the position of a charging port in the charging cover can be accurately found out through the visual sensor; and the insertion depth of the charging gun can be secondarily confirmed through the laser displacement sensor, so that the charging gun is ensured to be fully contacted with the charging port.

Disclosed is a thermal overload relay with current transformers. An overall double-layer casing of the thermal overload relay consists of a transversely extending partition support, a longitudinally extending upper bucket-shaped casing wall and a longitudinally extending lower bucket-shaped casing wall. A thermal release is installed inside an upper cavity of the overall double-layer casing. Three current transformers are installed inside a lower cavity of the overall double-layer casing. Two leads of a secondary coil of each current transformer pass from the lower cavity into the upper cavity by passing through holes at the joint of the partition support with the upper and lower cavities. The thermal overload relay further comprises an L-side junction device and a T-side junction device both disposed inside the upper cavity. An L-side lead of each electric heater is connected with one lead of the corresponding current transformer through an L-side junction component, and a T-side lead of each electric heater is connected with the other lead of the corresponding current transformer through a T-side junction component. A relay panel is fixedly connected with the upper bucket-shaped casing wall. The devices and leads thereof are all hermetically disposed inside the upper cavity, while terminals extend out of the upper cavity through a window of the relay panel. A bottom plate is used for closing all current transformers in the lower cavity of the double-layer casing.

The invention relates to a street lamp, in particular to a novel solar street lamp. The solar street lamp includes a solar cell assembly, a bracket for fixing the solar cell assembly, and a light pole. A light source is arranged on the light pole, and a group of parallel circuits are arranged in the light source, which are connected to an intelligent controller and a storage battery through lines. , the storage battery is connected to the above-mentioned solar battery assembly. The invention uses solar energy to power the entire system, is naturally green and pollution-free, has zero energy consumption, is self-contained after installation and does not need an external power supply, and sets the light source circuit into a group, and adopts an intelligent drive to control the light source, and can select the brightness of the light source in different periods of time , without manual operation, reducing costs.

The invention discloses a drying oven structure for separating soil animals by using a Tullgren method. The drying oven structure comprises a plurality of experimental funnels, and further comprises abottom plate and a top plate, wherein a left side plate, a right side plate and a rear end plate are fixedly connected between the bottom plate and the top plate, a door is hinged to the side edge ofthe left side plate through hinges, a plurality of horizontal laminated plates are fixedly connected between the left side plate and the right side plate, a plurality of bulbs are arranged under thelaminated plates and the top plate, the bulbs of each layer are connected in series and are connected with a temperature control switch in series, and the experimental funnels are arranged on the laminated plates and the bottom plate. The drying oven structure has the advantages of being convenient to install and disassemble, low in cost, time-saving and labor-saving, high in safety and the like,and the drying oven structure can be used for automatically performing drying and soil animal separation on soil samples without manual participation, so that the stability of the temperature of the drying oven is guaranteed, and a good use effect is obtained.

The invention discloses a reach type safety buffer fork lift truck easy for replacement of an oil tank. The reach type safety buffer fork lift truck comprises an oil tank fixing structure, a door lock safety device, a reach buffer device and a connecting pin shaft structure. According to the reach type safety buffer fork lift truck disclosed by the invention, a fixing structure of the oil tank is more convenient and reasonable; during mounting, fasteners such as bolts and nuts are not needed; during dismounting, the oil tank can be quickly dismounted without using a tool, so that the mounting and dismounting time of the oil tank is greatly saved, and the maintenance and the repair of the oil tank are facilitated; and a power system of the reach type safety buffer fork lift truck can be automatically cut off when a truck lock is positioned in an opening state, so that unexpected conditions are prevented, the safety of operators is effectively guaranteed, the shake of a door frame in the moving process of the door frame can be reduced, and the safety of persons and goods is fully guaranteed. The reach type safety buffer fork lift truck is simple and practical in structure and is convenient in maintenance and reformation; a connecting shaft pin can be automatically and forcibly lubricated; wear resistance is higher, and the maintenance and the repair are realized more conveniently and quickly; the reach type safety buffer fork lift truck is long in service life and is not easy to damage, and facilitates the popularization and the application; and the maintenance and repair cost is effectively reduced.