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

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 relates to an economical cable branch box, which comprises a metal outer box, a conductive grounding bar and at least one conductive wiring bar. A pair of insulating supports are arranged in parallel to the inner side of the metal outer box; the at least one conductive wiring bar is vertically arranged between the pair of insulating supports, and the two ends of the conductive wiring bar are fixedly connected with the corresponding insulating supports respectively; one side of the conductive wiring bar is provided with a plurality of wiring columns in linear arrangement, and one end of each wiring column is provided with a locking device; the conductive grounding bar is connected with the inner side of the metal outer box and is conductive; and the metal outer box is provided with a plurality of air holes and a plurality of inlet and outlet holes, wherein the inlet and outlet holes are in one-to-one correspondence with the wiring columns. Compared with the prior art, the economical cable branch box is simple to manufacture, low in cost, more flexible to use, convenient and quick, more reliable in connection and better in conduction effect and can prevent the problem of poor contact and the like; and the conductive wiring bar is arranged to the inner side of the metal outer box through the insulating supports, and besides, the conductive grounding bar can be grounded, so that a dual protection effect is achieved, the problems of electric leakage and the like can be prevented more effectively, and a safer use effect is achieved.

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 provides a voltage transformer handcart, a use method thereof and a power distribution cabinet. The power distribution cabinet is provided with a main circuit copper bar. The voltage transformer handcart comprises a voltage transformer, a conductive copper bar, a bottom plate, a first moving device and a second moving device, wherein the first moving device and the second moving device are matched with each other. The voltage transformer is connected with the conductive copper bar and is fixed on the bottom plate, and the first moving device is also fixed on the bottom plate; the second moving device is fixed on the power distribution cabinet; and the first moving device and the second moving device are matched with each other to move back and forth to drive the bottom plate so as to drive the conductive copper bar to be in contact with or separated from the main circuit copper bar. The invention provides a voltage transformer handcart which is simple in structure, simple and convenient to operate, low in cost, reliable in circuit connection and particularly suitable for occasions where a ship medium-voltage power distribution cabinet does not need to be frequently pushed in and pulled out of the handcart but is easy to swing along with a ship.

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 belongs to the field of street lamps, in particular to an LED structure waterproof street lamp module. Aiming at the problems that water can easily enter the existing street lamp, the wire connection time is long, the efficiency is low, if the skill of workers is poor, infirm wire connection can also be caused, so that poor contact or even short circuit danger can be further caused,the invention provides the following technical scheme that the LED structure waterproof street lamp module comprises a street lamp body, wherein the bottom side of the street lamp body is movably provided with an encapsulation plate; a wire outlet hole is formed on one side of the street lamp body; a ventilation valve movably mounted on the street lamp body through exhaust screws is arranged at one side of the wire outlet hole. The LED structure waterproof street lamp module involved in the invention has the advantages that the structure is simple; the street lamp body can well achieve the waterproof effect; a conducting wire is peeled and is inserted into wire inlet holes; then, a threaded rod is rotated; press plates can tightly press the conducting wire into wire connecting grooves; high speed and convenience are realized; the requirements for skill of workers are low; the wire connection is firm; the problems such as poor contact are avoided; the requirements of people are met.

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.

The invention discloses a wiring structure of a control box, comprising a box body, a cover body and a printed circuit board, wherein the box body and the cover body are mutually butted and matched, the printed circuit board is arranged in the box body, the printed circuit board is arranged in the middle and upper part of the box body, the wiring terminals are arranged on the top surface of the printed circuit board, and external wires pass through the box body and are connected with the wiring terminals; As the wiring operation is carried out without protruding into the inner cavity of the box body and placing the printed circuit board on an external workbench for wiring operation and that box body itself is directly use as an operation platform and the wiring operation is directly carryout on the box body, the operation space is larger, the operation is more flexible and convenient.

The invention relates to a heat exchange part which comprises a first heat exchange channel allowing a first heat exchange medium to pass through and a second heat exchange channel allowing a second heat exchange medium to pass through, the heat exchange part further comprises a pipe wall, the pipe wall separates the first heat exchange channel and the second heat exchange channel, the first heat exchange channel is defined by the inner surface of the pipe wall, and the pipe wall comprises a protruding heat exchange part. The protruding heat exchange parts are formed by bending two sections of pipe walls in the axial direction of the first heat exchange channel, the sides, facing the second heat exchange channels, of the protruding heat exchange parts protrude, and the second heat exchange channels are formed between the adjacent protruding heat exchange parts. Therefore, the problems of poor contact between the heat exchange sheets and the tubes and the like are solved, the heat transfer effect is better, tube expansion, welding and the like are not needed, the process is simple, the cost is low, the problem of water leakage is greatly solved due to the fact that welding between the heat exchange sheets and the tubes is not needed, and the product percent of pass is increased.

The invention discloses a multi-dimensional measuring platform with a movable rail and a control method thereof, and relates to the technical field of ground remote sensing instrument measuring platforms. The multi-dimensional measuring platform comprises a traveling rail (1), a multi-dimensional measuring platform tower, a vertical lifting mechanism (8), a measuring instrument mounting platform (9) and a power distribution and automatic control system (13), wherein the traveling rail (1) is paved on the ground; the multi-dimensional measuring platform tower comprises a lower tower base (2), a traveling mechanism (3), a rotating mechanism (4), an upper tower (5), an automatic telescopic tower arm (6) and a balancing weight (7); and the bottom of the lower tower base (2) moves on the traveling rail (1) through the traveling mechanism (3). The multi-dimensional measuring platform with the movable rail is high in measurement precision and high in control automation degree, and particularly can be used for measuring underlayer surfaces in remote sensing experiments of visible light, infrared and microwave in the remote sensing field.

The invention provides a cable holding mechanism and an electric cooker. The cable holding mechanism comprises a winding wheel which can be pivotally arranged and is used for receiving a cable, an elastic component which is connected to the winding wheel and is used for providing a driving force which allows the cable to be wound to the winding wheel, a locking part which is arranged at one side of the winding wheel and is used for locking the winding wheel, and an operating part which is connected to the locking part and is used for driving the locking part to move to release the locking of the winding wheel. According to the cable holding mechanism and the electric cooker, the winding wheel can be used to realize the automatic storage and finishing of the cable, thus the surrounding environment of electrical equipment with the cable holding mechanism is more neat, the neatness of the environment is not influenced by an external cable, in addition, the operations of disassembling and installing the cable and receiving the cable in the process of using the cable each time are saved, and great convenience is brought to a user. In addition, since the cable plugging is not needed each time, the problems of poor contact caused by the cable plugging can be avoided, and the stability of equipment is improved.

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.

A device with storage function and capable of conveniently replacing storage media, which includes a host connector, a motherboard matched with the host connector, a controller, a storage medium separate from the motherboard, and a storage medium connected to the motherboard respectively. Compatible fixtures. The fixing device cooperates with the storage medium so that the storage medium is separated from the motherboard. When installed and used, the storage medium is fixed on the motherboard through the fixing device, thereby realizing a stable electrical connection between the storage medium and the controller; it needs to be replaced When storing the medium, the storage medium together with the fixing device can be removed from the motherboard. Through the fixing device, the storage medium does not directly cooperate with the motherboard, so that the motherboard can adapt to storage media with different capacity specifications. Therefore, the device with storage function can realize the connection between storage media with different capacities through this structure. Replacement can ensure a stable electrical connection between the storage medium and the controller.