33results about How to "Avoid problems such as poor contact" patented technology

The invention relates to a geomagnetic vehicle detector which specifically comprises a PCBA, a battery, a support and a shell, wherein one end of the support is a PCBA clamping part, the other end of the support is a battery support, the PCBA is fixed on the PCBA clamping part, and the battery is fixed on the battery support; the shell comprises a shell body and a shell cover, and the shell cover and the shell body are welded to form a sealing chamber; and the support firmly equipped with the PCBA and the battery is assembled on the shell body and sealed inside the sealing chamber through arrangement of the PCBA clamping part towards the bottom part of the shell body. The invention also relates to an installation method of the geomagnetic vehicle detector, and the method comprises inverted installation of the geomagnetic vehicle detector. The geomagnetic vehicle detector and the installation method for the same provided by the invention can basically avoid PCBA water soaking and can increase waterproof performance of the geomagnetic vehicle detector.

The invention discloses a wire clamp for fixing a cable in a case. The wire clamp comprises a main wire clamp and a plurality of splicing wire clamps, wherein the main wire clamp is fixedly connectedwith the case, each splicing wire clamp can be spliced with the main wire clamp or adjacent wire clamp to form a whole, the main wire clamp comprises a fixed plate, first clamping plates are respectively arranged at two sides of the fixed plate and extend towards front inner sides, first guide plates are arranged at suspension ends of the first clamping plates, each splicing wire clamp comprises asealing plate, second clamping plates are respectively arranged at two sides of the sealing plate and extend towards front inner sides, second guide plates are arranged at suspension ends of the second clamping plates, and two clamping plates are arranged on a rear side surface of the sealing plate. By using the wire clamp, the cable in the case can be partially or completely fixed with the case,so that cable arrangement is smoother, and the problem caused by the cable in disorder is solved.

The invention discloses a protection verification test wiring structure, and the structure comprises an external insulating sleeve, an extended conductive rod, and a test lead wire. The test lead wirecomprises a conductor body and a plug connector. The extended conductive rod comprises an upper rod segment and a lower rod segment in coaxial connection with the upper rod segment. The lower rod segment is provided with an external thread, and the external insulating sleeve is disposed on the upper rod segment. The upper end of the upper rod segment is provided with a port adapted to the plug connector. The external insulating sleeve comprises a rotary holding square sleeve and an extending circular sleeve disposed at the lower end of the rotary holding square sleeve. The rotary holding square sleeve is connected with the extending circular sleeve. The uppermost point of the upper rod segment is lower than the uppermost point of the external insulating sleeve. The beneficial effects of the invention are that the structure is reasonable, can effectively assist a protection verification test, can guarantee the good connection stability between structures in a test process, and can effectively avoid the poor contact.

The invention discloses a vertical continuous electroplating device which is used for carrying out vertical continuous electroplating or cleaning on a circuit board. The vertical continuous electroplating device comprises a driving wheel group, a driven wheel group, a first conveyor belt, a second conveyor belt, a conductive guide rail, a rack guide rail, a plurality of first conductive hangers, a second conductive hanger, flexible cables and a rack head, wherein the driving wheel group and the driven wheel group are in transmission connection through the first conveyor belt and the second conveyor belt; the first conductive hangers are electrically connected with the second conductive hanger through the flexible cables; the first conveyor belt and the second conveyor belt are driven, so that the first conductive hangers move along the conductive guide rail; the second conductive hanger moves along the rack guide rail; and the rack head is arranged at one end of the second conductive hanger, and is used for connecting a circuit board. According to the vertical continuous electroplating device, the conductive guide rail does not vibrate when the circuit board vibrates through two separate guide rails of the conductive guide rail and the rack guide rail, so that the problems such as poor contact of the conductive guide rail are avoided; and the electroplating effect is improved.

The invention discloses a device for winding an aluminum armor tape on a transmission line and an application method of the device. The device comprises a support block, a pressing down block, a tape reel and a connection pin shaft, the pressing down block is matched with the support block to lock the transmission line, and the support block is parallel to two lateral sides of the pressing down block. A concave block is arranged at the front end of the support block, a hollow clamping plate is arranged in the middle of the support block, and a handrail block is arranged at the rear end of the support block. A first cuboid block is arranged at front end of the pressing down block, an arc block is arranged in the middle of the pressing down block, and a second cuboid block matched with the clamping plate in shape is arranged at the rear end of the pressing down block. An aluminum armor tape groove is formed in the tape wheel, an aluminum armor tape fixing device is arranged on the inner wall of the aluminum armor tape groove, a through hole corresponding to through holes in the clamping plate is formed in a tape wheel axle, and round projections centering on the center of the tape wheel are arranged on one side, adjacent to the clamping plate, of the tape wheel. The connection pin shaft fixes one side of the clamping plate, the second cuboid block, the other side of the clamping plate and the tape wheel sequentially via the through hole in one side of the clamping plate, a through hole in the second cuboid block, the through hole in the other side of the clamping block and the through hole in the tape wheel.

The invention relates to a geomagnetic vehicle detector which specifically comprises a PCBA, a battery, a support and a shell, wherein the shell comprises a shell body and a shell cover; the shell body comprises an inner shell body and an outer shell body, the inner shell body is a square shell body, and the side wall of the outer shell body is a cylindrical ring which encloses the upper end of the inner shell body; the top part of the inner shell body is lower than the top part of the outer shell body, and the bottom face of the outer shell body is connected to the side wall bottom end of the outer shell body and the side wall of the inner shell body; the shell cover comprises an inner cover and an outer cover; the bottom face edge of the inner cover and the side wall top face of the inner shell body are welded to form an inner sealing chamber; the bottom face edge of the outer cover and the side wall top face of the outer shell body are welded to form an outer sealing chamber; one end of the support is a PCBA clamping part, the other end is a battery support, the PCBA is fixed on the PCBA clamping part, and the battery is fixed on the battery support; and the support is sealed inside the inner sealing chamber through arrangement of the PCBA clamping part towards the bottom part of the inner shell body. The geomagnetic vehicle detector provided by the invention can enhance waterproof performance and detection accuracy of the geomagnetic vehicle detector as well as impact resistance of the shell body.

The present application relates to an AC brake coil, which includes a skeleton, a winding and a protective cover. There are two skeletons, and the outer circumference of any skeleton is provided with a ring groove. The ring groove extends for one week along the circumference of the skeleton. The ring groove is used for winding the wire to form a winding, and a complete wire is wound on a skeleton first. In the ring groove of another skeleton, two windings are formed by winding in the ring groove of another skeleton, and a connecting wire of preset length is left between the two windings. One end of any skeleton is also provided with a guide groove, and the guide groove is connected. The ring groove is used for the wire to protrude; and when the guide grooves of the two skeletons have the same orientation, the winding directions of the windings on the two skeletons are consistent. The application has the effect of indicating the winding direction of the winding through the guide groove, so as to facilitate the installation of the coil on the iron core.

The present application discloses a display screen, which includes a display panel, a printed circuit board and a frame, the printed circuit board is bound and connected to the display panel through a chip-on-chip film, and the frame is set on the On the outside of the display panel, the printed circuit board is arranged between the display panel and the frame; body, fixed on the printed circuit board, the buffer is made of elastic conductive material; and the protective plate is made of conductive material, and the protective plate is arranged on the buffer and the frame Between the body, static electricity can be released to the frame to avoid problems such as static electricity accumulation on the printed circuit board; the protective plate is set between the buffer and the frame so that the buffer can be made thinner, so that the printed circuit board with the buffer does not As for the problem of increased shipping costs due to being too thick.