33results about How to "Good anti-fooling effect" patented technology

The invention relates to a lithium Ion battery voltage, internal resistance and shell resistance comprehensive test device which is characterized by comprising a probe testing mechanism and a testing digital display, the probe testing mechanism comprises a testing probe, a cylinder, a switch and a testing control circuit, the testing control circuit is composed of a testing main circuit and a control circuit; the testing main circuit realizes through/break switch through the opening of an intermediate relay normally open normally closed contact, and controls the switching of voltage inner resistance testing and shell resistance testing respectively; the control circuit realizes the switch between the testing main circuit and the control circuit through the self-locking through/break of the intermediate relay and the through/break function of a time relay. The device has the advantages of improving testing efficiency and badness detecting capacity, realizing combining operation of voltage inner resistance testing and shell resistance testing, and increasing unqualified battery alarming, so as to avoid unqualified battery leakage.

The invention provides electronic equipment, a charger and a charging combination device. The electronic equipment comprises a shell, a circuit board arranged in the shell, a plurality of electrical contact components arranged on the shell and electrically connected to the circuit board, and magnetic components arranged on the inner side of the shell, wherein the magnetic components comprise a first magnetic piece and a second magnetic piece; and the magnetic pole, facing the shell, of the first magnetic piece is opposite to that, facing the shell, of the second magnetic piece. The charging combination device comprises the electronic equipment and a charger. According to the charging combination device provided by the invention, a pair of magnetic pieces are arranged on the electronic equipment and the charger respectively, so that the positions of charged positive pole and negative pole can be automatically corrected by the electronic equipment and the charger, the charging combination device has a good foolproof effect, and then the safety for equipment charging is improved.

The invention provides a plug connector and an electric connector combination. The plug connector comprises an insulating body and a plurality of male power terminals; a plurality of first terminal accommodating channels and a plurality of second terminal accommodating channels for accommodating the plurality of male power terminals are formed in the insulating body; every male power terminal is composed of a contact unit, a terminal tail unit and a fixing unit connecting the contact unit and the terminal tail unit; the insides of both the first terminal accommodating channels and the second terminal accommodating channels are provided with terminal clamping units; the fixing unit of every male power terminal is matched with the corresponding terminal clamping unit to fix the male power terminal into the corresponding terminal accommodating channel; the terminal clamping units of the first terminal accommodating channels and the terminal clamping units of the second terminal accommodating channels are arranged in a vertically staggered mode in the height direction of the plug connector.

The invention relates to a camera module shell. The camera module shell comprises a shell body (1), one side of the shell body (1) is open, an annular containing groove (2) is formed in the end face of the open side of the shell body (1), the containing groove (2) is composed of an inner groove wall (21), an outer groove wall (22) and a groove bottom (23), and the inner groove wall (21) obliquelyextends outwards from the opening side of the shell body (1) to the other side. According to the camera module shell, the inner groove wall in the containing groove is inclined, so that an upper shellcannot deviate in the welding process, and the anti-stay function is achieved.

The invention belongs to the technical field of batteries, and particularly relates to a reflux device for controlling the film thickness of a multi-gap pole piece. The reflux device comprises a feedpipe, a coating valve, a return valve, a return pipe and a membrane head pipe, the membrane head pipe is in communication with the feeding pipe to form a main trunk line, the coating valve and the return valve are sequentially connected to the main trunk line in series, the return pipe is in communication with the return valve, the return pipe comprises a first pipeline and a second pipeline, andthe first pipeline and the second pipeline are connected in parallel. The reflux device is simple in structure, achieves multi-gap pole piece production, and is simple to operate, stable in work and high in production efficiency. In addition, the invention further provides a control method of the reflux device so as to improve the working stability and efficiency of the reflux device.

The invention discloses a batch machining workbench suitable for a CNC machine tool. The batch machining workbench comprises a workpiece positioning and placing plate and a machine tool connecting seat. The workpiece positioning and placing plate is fixedly connected with the upper surface of the machine tool connecting seat. A plurality of cavities used for containing workpieces are evenly formedin the upper surface of the workpiece positioning and placing plate at intervals in sequence. A plurality of taking grooves are annularly formed in outer rings of the cavities. Feeding inclined planes are arranged on the inner walls of the cavities. The invention further discloses a detection machining method implemented based on the batch machining workbench suitable for the CNC machine tool. The batch machining workbench is reasonable and ingenious in structural design. Errors caused by the floating of the sizes of the workpieces are reduced as much as possible. The quality of products is improved. The detection machining method is suitable for the detection machining of most workpieces arranged equidistantly. The reject ratio is reduced. Cavities without workpieces are prevented from being detected. The flexibility is good. The working time is shortened. The cost is saved. The cavities with no workpieces are not machined repeatedly. The working efficiency is improved.

The invention discloses a high-voltage distribution cabinet of an electric vehicle. The cabinet comprises a cabinet body and a cabinet cover. A concave cavity is formed in the cabinet body and internally provided with a circuit board, a current detector, a fuse, thermistors, a relay, a copper bar and a wire. A plurality of electrically connected connectors are arranged on the outer wall of the cabinet body, a boss is circumferentially arranged on the end face of an opening of the concave cavity of the cabinet body, the cabinet cover is provided with a groove matched with the boss in a clamped mode, and a rubber ring is disposed in the groove. By means of the connectors, electricity allocated into the high-voltage distribution cabinet is transmitted to various electric appliances, the protection grade of the cabinet body can be improved, and a good fool-proof function can be achieved. The positive temperature thermistor and the negative temperature thermistor can effectively prevent the situation that a circuit is too hot and accordingly resistors and elements are burnt, and the safety coefficient of equipment is improved.

The invention discloses an automatic board conveyer with a mistake-proofing system, which comprises a rack, a board storage frame and a control system, a lifting platform which is located on the bottom of the board storage frame is arranged in the lower end of the rack, slide rails are arranged on the inner sides of the uprights of the rack, sliders which are located on the slide rails are arranged on the four corners of the bottom plane of the lifting platform, lifting cylinders which are connected with the bottom plane of the lifting platform are arranged on the bottom of the rack, a driving mechanism is arranged on the left side of the rack, a conveying platform is arranged on the right side of the rack, a horizontal slide way is arranged on the upper plane of the conveying platform, a stop is arranged on one side, which is located in the rack, of the horizontal slide way, a limit switch which corresponds to the stop is arranged on the bottom end of the board storage frame, opposite light curtains which correspond to each other are arranged on the inner sides of the uprights, and the control system is respectively electrically connected with the limit switch, the opposite light curtains, the lifting cylinders and the driving mechanism. Thus, the automatic board conveyer has the advantages of convenient and quick board loading, stable and smooth conveying and good mistake-proofing effect, and guarantees the safe conveying of products.

The invention discloses a workpiece processing safety fool-proof device of a numerical control machine tool. The workpiece processing safety fool-proof device of the numerical control machine tool comprises a mounting plate and mounting holes arranged on four sides of the mounting plate, wherein support frames are symmetrically arranged on the other two sides of the mounting plate, sliding holes are uniformly formed in one sides of the support frames, limiting pins are inserted into the sliding holes in a penetrating mode, an abutting plate is arranged at one end of each limiting pin, a fixingplate is arranged on the other side of each support frame, screw holes are formed in the fixing plates and correspond to the positions of the sliding holes and are in threaded connection with lead screws, and one end of each lead screw is provided with a rotating plate. By disassembling and assembling the fixing plates, springs can be conveniently replaced. Through the fool-proof limiting of thelimiting pins, a plate-shaped workpiece can only be placed corresponding to the fixed limiting pin distances on the left side and the right side, so that the plate-shaped workpiece can stably contactwith the mounting plate, only one time of adjustment is needed, tool resetting is not needed, safety and high efficiency are achieved, the fool-proof effect is good, and the problem that the fool-proof effect of clamping the plate-shaped workpiece does not exist in the prior art is solved.

The application discloses a light sensor component and an electronic device with the same. The light sensor comprises a main board, a light-sensing device, and a cover body, wherein the light-sensingdevice is arranged on the main board and connected with the main board; N ridges are formed on the peripheral wall of the light-sensing device; a groove extending along the length direction of the ridges of n adjacent ridges, wherein n is more than 0 and not more than N-1; the cover body is covered on the light-sensing device, the inner peripheral wall of the cover body is cooperated with the peripheral wall of the light-sensing device, and a bulge cooperated with the groove is arranged at n adjacent ridges corresponding to the groove on the inner peripheral wall of the cover body, and the bulge extends along the length direction of the ridge of the cover body. According to the light-sensor component disclosed by the application, an operation of reversely installing the cover when the light-sensing device is assembled can be prevented, and good poka-yoke effect is provided. Furthermore, the connection fixation of the cover body and the light-sensing device can be realized through the cooperation of the groove and the bulge, the size of the light-sensor component can be reduced, and the occupied space in the electronic device is reduced.

The invention discloses a leveling frame structure and an installation method thereof. The leveling frame structure specifically comprises an original wall surface and further comprises a leveling keel frame used for being laid on the original wall surface, wherein the leveling keel frame comprises horizontally-arranged transverse strips, vertically-arranged U-shaped keels and L-shaped angle steelarranged at the bottom of the original wall surface; the two ends of each transverse strip are embedded into the two corresponding U-shaped keels to form the frame structure; and when the leveling keel frame is vertically laid on the original wall surface, the spacing distances between every two adjacent transverse strips are equal, the two ends of the uppermost transverse strip are fixedly connected with the top ends of the two corresponding U-shaped keels correspondingly, and the bottom ends of the two corresponding U-shaped keels are fixedly connected with the two ends of the angle steel correspondingly. According to the leveling frame structure, the L-shaped angle steel, the U-shaped keels, metal keels, supporting bases and wood-plastic insertion strips can be assembled and produced in batches in a factory, efficiency is high, and the leveling frame structure can be applied to various different occasions.

The invention discloses a jig and a method adopting the jig in mounting of magnets of a mobile terminal. The mobile terminal comprises a target component, wherein the target component comprises mounting parts used for mounting of the magnets. The jig comprises a main body part and fool-proof magnetic pieces, wherein the main body part is used for positioning the target component; the fool-proof magnetic pieces are arranged on the main body part; when the target component is positioned by the main body part, the fool-proof magnetic pieces are opposite to the mounting parts, and suitable for generating magnetic functions with the magnets, so as to pop the magnets out of the mounting parts when the magnets are mounted reversely. The jig provided by the embodiment of the invention has the advantages that mounting of the magnets can be simplified; the fool-proof effect is high; mistaken assembly of operation staff can be prevented effectively; the process of checking after assembly is eliminated; the production efficiency is high; the product yield is high.