388results about How to "Reliable contact" patented technology

The plug comprises a plug shell and a tail sleeve, the plug shell is formed by assembling an outer shell and a mounting seat, an inner core is arranged in the plug shell and is positioned with the mounting seat, the mounting seat is divided into a front section and a rear section, the front section is of a cylinder structure connected with the outer shell in a matched mode, and the rear section is of an external thread connecting section connected with the tail sleeve in a matched mode. The shell is sleeved outside the cylindrical structure of the mounting base in a manner of being capable of rotating for a certain distance through a limiting structure and can rotate for a certain distance relative to the inner core, and a locking piece capable of being matched and locked with a corresponding socket or plug is mounted on the shell in a front-back sliding manner. The plug is reasonable in structural design, plugging adopts a direct plugging and rotary locking mode, plugging and unplugging are convenient, locking is firm and stable, misoperation unlocking can be prevented, abrasion to the inner core can be reduced, the service life of the plug is prolonged, the waterproof performance is good, and processing and manufacturing are convenient.

The invention belongs to the technical field of high-frequency signal transfer, and particularly discloses a high-frequency signal transfer board which comprises a transfer circuit board and a connecting piece, and the connecting piece is further provided with a slot used for fixing a high-frequency connector. The switching circuit board is provided with a plurality of photosensitive board contact points, a plug hole and a high-frequency signal transmission microstrip line, the photosensitive board contact points are connected with a joint of the photosensitive board, a pin is arranged in the plug hole and used for connecting the high-frequency connector and the high-frequency signal transmission microstrip line, the other end of the high-frequency signal transmission microstrip line is connected with the photosensitive board contact points, and the other end of the high-frequency signal transmission microstrip line is connected with the photosensitive board contact points. The bottom of the pin is clamped with the high-frequency connector, and the side wall of the pin is in interference fit with the plugging hole. According to the invention, the switching circuit board is fixedly connected with the connecting piece, and the plugging hole with the circular truncated cone structure is formed in the switching circuit board, so that reliable connection between the pin and the plugging hole is ensured, and as the high-frequency signal transmission microstrip line is connected with the high-frequency connector in a plugging manner, echo is avoided, and the signal switching precision is improved.

The utility model relates to an ultrasonic crack detection device for a mining conveyor belt. The ultrasonic crack detection device comprises a supporting frame, a transmitting detection wheel assembly and a receiving detection wheel assembly, wherein the transmitting detection wheel assembly and the receiving detection wheel assembly are mounted on the supporting frame; the receiving detection wheel assemblies are arranged on the two sides of the transmitting detection wheel assembly at intervals in the length direction of the bearing frame. The transmitting detection wheel assembly is provided with a first roller used for making contact with a mining conveyor belt and an ultrasonic generator used for transmitting ultrasonic waves to the mining conveyor belt. The receiving detection wheel assembly is provided with a second roller used for making contact with a mining conveyor belt and an ultrasonic receiver used for receiving ultrasonic waves transmitted by the mining conveyor belt. According to the mining conveyor belt, small damage on the mining conveyor belt can be found in time, detection early warning can be sent out in time, so that the belt with safety risks can be repaired or replaced in time, economic losses caused by equipment faults can be greatly reduced, and the safety risks of personnel are effectively reduced.

The invention provides a feeding mechanism and cutting equipment, and belongs to the technical field of cutting, and the feeding mechanism comprises a feeding rack, a feeding mechanism, a cutting mechanism and a cutting mechanism, the temporary storage assembly is located on the conveying channel and comprises a temporary storage support and a conveying structure, the conveying structure comprises a driving roller, a driven roller and an annular conveying belt, and one end of the driving roller is connected with a conveying motor; and the upper pressing roller assembly is located above the driving roller and comprises a pressing roller support, a pressing roller lifting air cylinder and a pressing roller structure, the pressing roller structure comprises an upper pressing roller shaft, a plurality of rollers arranged in the axis direction of the upper pressing roller shaft and a pressing roller motor driving the upper pressing roller shaft to rotate, and the rollers make linear contact with materials on the conveying structure. The contact between the material and the roller is linear contact, so that the contact area between the material and the roller is reduced, the phenomenon that the material slips in the conveying process is avoided, and the conveying effect of the material and the cutting precision of the follow-up material are improved.

The utility model relates to a double-break circuit breaker switch, which comprises a mechanism frame, a circuit breaker assembly and an isolating switch assembly, and the circuit breaker assembly comprises a solid-sealed polar pole, three fixing seats, a main shaft and three groups of transmission cam assemblies. The isolation switch assembly comprises three first static contacts, an insulation isolation shaft which is rotatably arranged on the mechanism frame, three insulation cams which are respectively arranged on the insulation isolation shaft, three isolation knives which are respectively arranged on the three insulation cams, three second static contacts which are arranged on a fixed beam of the mechanism frame, and a grounding contact assembly which is arranged on the mechanism frame. The two ends of the static contact are respectively provided with a first contact part and a second contact part which are matched with the isolation knife, and a limiting check ring which is matched with the isolation knife is arranged at the position, corresponding to the position between the first contact part and the second contact part, of the static contact. The vacuum circuit breaker has the advantages of simple structure, stable and reliable performance, good insulating property, high opening and closing speed and small volume.

The utility model relates to a guide rail type ammeter verification tool. The technical problem to be solved by the utility model is to provide a guide rail type ammeter verification tool with high verification efficiency. According to the technical scheme, the tool comprises a tool bottom plate, a verification butt-joint box, stand columns, an air cylinder, an electric meter limiting plate and a pin assembly, the pin assembly comprises pins, reset springs and nuts, verification through holes are formed in the verification butt-joint box, the pins are electrically connected with the verification through holes, operation plates are arranged at the upper ends of the two stand columns, and the operation plates are connected with the reset springs. An air cylinder action switch is arranged on the operation plate, a limiting plate inserting opening is formed in the middle of the electric meter limiting plate, and an upper positioning block and a side positioning block are arranged on the front portion of the tool bottom plate. Compared with the prior art, the tool has the advantages that the checking speed of the guide rail type ammeter can be increased, the tool can be conveniently butted with checking equipment, the guide rail type ammeter can be accurately and reliably placed and limited, and the stable and reliable contact of the guide rail type ammeter when the guide rail type ammeter is placed can be effectively ensured through the structural design of the contact pin assembly.

The utility model relates to the technical field of electronic control devices, in particular to a relay, which comprises a base, a movable contact assembly, a static contact piece and a magnetic circuit part, the movable contact assembly comprises a movable contact piece and a first elastic piece, the first elastic piece is connected with the movable contact piece, the magnetic circuit part is used for driving the movable contact piece to be switched between a closed position and an open position, the movable contact piece and the static contact piece are attracted at the closed position, and the movable contact piece and the static contact piece are disconnected at the open position; the base is provided with a limiting part, and the limiting part is configured to enable the first elastic piece to store energy in the action direction of the movable contact piece when the movable contact piece is located at the closed position and the open position, and to apply an acting force suitable for moving away from the static contact piece and an acting force suitable for moving towards the static contact piece to the movable contact piece. Therefore, the response speed of opening and closing of the moving contact and the static contact can be improved.

The invention relates to a multi-channel radio frequency integration module, integration module units and a switching module unit, the multi-channel radio frequency integration module comprises two integration module units and one switching module unit, each integration module unit comprises an integration module insulation base and a plurality of radio frequency contact elements, the radio frequency contact elements are arranged on the integration module insulation base, and the switching module unit is arranged on the integration module insulation base. The switching module unit comprises a switching module insulating base and a plurality of switching contact pieces, the switching contact pieces are arranged on the switching module insulating base, and switching contact heads at the two ends of each switching contact piece extend out of the two opposite end faces of the switching module insulating base respectively. And the radio frequency contact terminals are used for surface mount elastic contact in one-to-one correspondence with the radio frequency contact terminals of the plurality of radio frequency contact elements on the integrated module unit at the same side. The problem of radial tolerance of a traditional round needle and round hole contact piece is effectively solved, effective alignment can be achieved, the insertion and extraction force is reduced, the problem that the insertion and extraction force of a multi-channel module is large is solved, and meanwhile reliable contact of an inner conductor and an outer conductor is guaranteed.

The utility model provides a telescopic conductive signal acquisition contact device. The telescopic conductive signal acquisition contact device comprises an insulating shell, a supporting seat, a fixing seat, a pin shaft, a connecting arm, a conductive contact and a supporting spring, one end of the connecting arm is sleeved outside the pin shaft, and the other end of the connecting arm is hinged with the conductive contact, so that the conductive contact can rotate relative to the pin shaft; a supporting spring is arranged between the bottom of the conductive contact and the supporting seat; when no external force is applied, the supporting spring supports the conductive contact, so that the top of the conductive contact is higher than the cavity of the insulating shell. The utility model provides a telescopic conductive signal acquisition contact device, which is used for signal acquisition and transmission of charging devices of other lithium batteries such as an AGV (Automatic Guided Vehicle) logistics vehicle lithium battery in a butt-joint charging process, and as the contact adopts a rotatable telescopic function, reliable contact with a power receiving bar in a plug of a charging vehicle is ensured; therefore, stable current conductive transmission can be carried out in the butt-joint charging process, and the charging reliability is ensured.

The utility model relates to the technical field of electronic control devices, in particular to a relay. The relay comprises a housing which is provided with an exposure hole; the static contact is fixed relative to the shell, and one side of the static contact is exposed out of the shell from the exposing hole; the signal leading-out sheet is fixed on the outer side of the shell and is connected with the static contact; the signal leading-out sheet surrounds part of the static contact in the circumferential direction of the static contact. When the signal leading-out sheet and the static contact are connected, the signal leading-out sheet is divided into a non-continuous structure around the static contact part, so that the shape of the signal leading-out sheet can be corrected and the signal leading-out sheet can be prevented from warping upwards according to the requirement on the premise of meeting ending riveting or welding, so that the signal leading-out sheet and the static contact are effectively connected and reliably contacted; therefore, the connection strength and the connection effect of the static contact and the signal leading-out sheet are improved. Therefore, the signal leading-out sheet and the static contact in the relay can be effectively connected, and the reliability after the signal leading-out sheet and the static contact are connected is improved.

The invention relates to the technical field of surface polishing equipment, in particular to conductive tube outer circle polishing equipment. The equipment comprises a base, a movable operation platform and a transverse supporting frame are arranged on the base in the longitudinal direction at intervals, the movable operation platform is arranged on the base in a sliding mode in the transverse direction, a plurality of supporting idler wheels are arranged on the transverse supporting frame in the transverse direction at intervals, and a conductive tube to be thrown is arranged on the supporting idler wheels in a supporting mode. The driving mechanism is used for driving the to-be-polished conductive tube to rotate, a polishing assembly is arranged on the movable operation platform, and the polishing assembly comprises a polishing piece and a moving mechanism for driving the polishing piece to move to the to-be-polished conductive tube. The driving mechanism is used for driving the to-be-polished conductive tube to rotate, the moving mechanism is used for driving the polishing piece to the surface of the to-be-polished conductive tube for polishing treatment, the moving operation platform is used for driving the polishing assembly to move in the transverse direction, polishing of the whole to-be-polished conductive tube is achieved, the working intensity is reduced, and the operation quality is guaranteed.

The utility model relates to a double-break isolating switch. Comprising a mechanism frame, an insulation isolation shaft rotationally arranged on the mechanism frame, three insulation driving cams arranged on the insulation isolation shaft in a linkage mode, three isolation knives arranged on the three insulation driving cams in a linkage mode, and three upper static contacts arranged on a fixed beam of the mechanism frame and matched with the three isolation knives. The three upper static contacts are arranged on a fixing frame of the mechanism frame, the three lower static contacts are arranged on the fixing frame of the mechanism frame and matched with the three isolation knives, the grounding contact assembly is arranged on the mechanism frame and matched with the three isolation knives, and the mechanism frame is provided with an insulating partition plate which is arranged between the grounding contact assembly and the three upper static contacts in a partition mode. The utility model has the advantages of simple structure, stable and reliable performance, fast opening and closing speed, good insulation performance and small volume.

The utility model relates to a winding stretching type vehicle-mounted charger, which comprises a vehicle charger shell, a main circuit board and a winding assembly, wherein the main circuit board and the winding assembly are arranged in the vehicle charger shell. A winding cavity and a vehicle charging cavity are formed in the upper portion of the shell, the main circuit board is installed in the winding cavity, an auxiliary circuit board is arranged in the vehicle charging cavity, the winding assembly comprises a winding shaft, a volute spiral spring, a stretching line and an electric connection assembly, and the winding shaft is arranged in a top inner cavity in the direction perpendicular to the height direction of the vehicle charging shell. The wire spool is provided with a first spool surface and a second spool surface which are opposite to each other, the first spool surface is provided with the electric connection assembly, the volute spiral spring is mounted on the winding shaft, a charging wire is correspondingly and electrically connected with the main circuit board through the electric connection assembly, the electric connection wire is in reliable contact, and the main circuit board is mounted in the winding cavity and is tightly connected with the winding assembly. The overall structure is compact, space is saved, and disassembly and assembly are convenient. In addition, the circuit wiring structure in the whole structure is well-organized, the use safety and reliability are improved, and the service life of the product is prolonged.

The invention discloses a connector. The connector comprises: a housing in which a plurality of first terminal grooves distributed at intervals in the transverse direction are formed; the plurality of first terminals are respectively inserted into the plurality of first terminal grooves; and the top cover is arranged on the top of the shell. And the top cover is rotatably connected with the plurality of first terminals, so that the top cover can be rotatably opened and closed. Therefore, the first terminal can effectively prevent the top cover from falling off from the shell due to vibration. Besides, in some exemplary embodiments of the invention, the top cover can apply a predetermined pressing force on the inserted circuit board, so that the circuit board is in reliable electric contact with the second terminal in the connector, and thus, poor contact between the second terminal and the circuit board in a vibration environment can be avoided.

The present invention discloses a clamping release device and a spacecraft, wherein the clamping release device comprises a first mounting base, a second mounting base, a flexible connector, an elastic member and a hot knife assembly; the first mounting base and the second mounting base are respectively fixedly connected to the flexible connector; the hot knife assembly is located between the first mounting base and the second mounting base, and is movably arranged on the second mounting base, and the flexible connector is located on the moving path of the hot knife assembly; the first end of the elastic member is connected to the second mounting base, and the second end of the elastic member is connected to the hot knife assembly, and the elastic member drives the hot knife assembly to abut against the flexible connector; the hot knife assembly is an electric heating structure, and the hot knife assembly fuses the flexible connector when power is turned on. The above scheme can achieve the technical effects of simplifying the structure, reducing the impact load and reducing pollution.

The utility model belongs to the technical field of electronic data connectors, and particularly relates to an HDMI-D male socket connector easy for terminal welding, which comprises a PBC (printed circuit board) and connecting terminals. The PCB is characterized in that a bonding pad is welded and connected to the top of the PCB; the top of the PBC board is fixedly connected with a connecting contact pin; the number of the connecting pins is several. The connecting pins are uniformly distributed at the top of the PBC board; the connecting terminal is arranged at the top of the bonding pad; the top of the PBC board is fixedly connected with a support frame; the support frame is shaped like a Chinese character'ji '; the surface of the supporting frame is in threaded connection with a lead screw. The top of the lead screw is fixedly connected with a rotating column. The utility model relates to an HDMI-D male seat connector, which solves the problems that the existing HDMI-D male seat connector is generally welded manually, the welding efficiency is low, the soldering tin joint is not stable and reliable enough, the welding limit effect is poor, the HDMI-D male seat connector is separated, and the use of the HDMI-D male seat connector is influenced.

The utility model provides a GIS isolation switch embedded monitoring device installation structure comprising a monitoring device installation housing, a cable connection cavity connected to the bottom of the monitoring device installation housing, and a circular thread observation seat connected to the side surface of the monitoring device installation housing. The bottom of the mounting shell is communicated with a cable connecting cavity, and a corrugated pipe connecting joint is connected to the lower part of the cable connecting cavity; a lighting monitoring through hole is formed in the middle of the circular threaded observation base, and a threaded connection port completely matched with threads of the GIS equipment observation window is formed in the end, away from the monitoring device installation shell, of the circular threaded observation base. The GIS switch observation window can be matched with the GIS switch observation window, the electronic monitoring device is fixedly installed on the GIS switch observation window, manual checking is not needed, a GIS disconnecting link can be observed and monitored through the electronic monitoring device, the electronic monitoring device can be protected, and normal operation of the electronic monitoring device in the open air environment is guaranteed.

The invention relates to an electrical connector (1) comprising an electrically conductive sleeve (6) having a surface region provided as a contact surface with a first electrical conductor (L1); an electrically insulating insulating element (10) laterally surrounding the sleeve (6); an electrically insulating bolt (3) which can be inserted into the sleeve (6) and which has at least one electrically insulating bolt head (4) and a contact element (5) which is arranged on the bolt (3) in a displaceable and loss-proof manner and which has a surface region (8) provided as a contact surface with the second electrical conductor (L2), the contact element (5) and the sleeve (6) being in electrical contact when the bolt (3) is tightened. The invention also relates to a vehicle (F), in particular an electric vehicle, having at least one electrical connector (1) according to any one of the preceding claims. The invention relates in particular to a connector which can be advantageously used in an energy on-board electrical system of a vehicle, in particular in an on-board electrical system of a high-voltage part of an electric vehicle.

The board-to-board connector comprises a female end and a male end which are matched with each other, the female end comprises an insulation base, a female end signal terminal, a metal reinforcing piece, a middle island protection piece and a metal reinforcing piece, the metal reinforcing piece comprises a protection frame body and a protection wing, the protection frame body is arranged on a short edge structure of the insulation base, and the protection wing is arranged on the protection frame body. The protection wings are arranged on the two sides of the protection frame body and extend along the long edge structure of the insulation base, an elastic arm is arranged in the middle of the protection frame body, and the elastic arm is formed by bending the outer side of the protection frame body downwards and then bending the outer side of the protection frame body towards the interior of the frame-shaped structure. Compared with the prior art, under the condition that the original protection strength and guiding capacity are ensured, the metal reinforcing piece can be in more reliable contact with the protection support of the male end through the elastic arm, so that the stability of current transmission during power-on is improved.

The invention discloses a bus duct angle conversion connecting structure which comprises two bus duct bodies, and a connecting assembly is arranged between the two bus duct bodies. The top of the connecting assembly is provided with a steering assembly used for driving the bus duct body to rotate, the connecting assembly is internally provided with a locking assembly used for pressing the bus conductor and the connecting conductor, and the top of the connecting assembly is also provided with a transmission assembly used for driving the locking assembly; when the transmission assembly drives the locking assembly to press the bus conductor and the connecting conductor, the transmission assembly covers the steering assembly. The rotating angle of the bus duct body can be flexibly adjusted through the connecting assembly, the locking assembly locks or loosens a bus conductor, the transmission assembly and the steering assembly are matched with each other to ensure separation in the pressing process and the rotating process, the interlocking and unlocking functions are achieved in operation in different states, and the safety and convenience of the device are improved.

The present invention aims to disclose a polyester cotton for cranial nerve microvascular decompression and its use, and to develop a polyester cotton with an unspecified three-dimensional shape. The polyester cotton is a cotton-like structure, and the polyester cotton includes a plurality of polyester fibers. The polyester fibers are wavy, and the fineness of the polyester fibers is d, d=100D~200D, the number of filaments of the polyester fibers is f=(0.2~2)*d, and the density of the polyester cotton is 0.003g / cm 3 ~0.01g / cm 3 The filaments of the polyester fiber are in a separated state. The beneficial effects of the present invention are: the polyester cotton is soft, fluffy and has a certain elasticity, can be arbitrarily shaped in the clinical process, and polyester cottons of different sizes can be used in combination. The polyester cotton of appropriate size and shape can be quickly selected according to the spatial structure between the cranial nerves and the brain microvascular vessels, and the shaped polyester cotton can be placed between the cranial nerves and the brain microvascular vessels to achieve isolation of the cranial nerves and the brain microvascular vessels, so as to treat the patient's cranial nerve lesions.

The utility model discloses a miniaturized high moment has brush motor, this motor aims at solving the inductance element and carbon brush assembly and terminal of existing motor inside adopt direct welding mode, cannot keep reliable contact in the problem of vibration environment. The motor includes the shell, the stator subassembly of fixed mounting in the shell inside, the rotor subassembly of rotation installation in the shell inside and with the terminal subassembly of rotor subassembly electricity is connected, and the terminal subassembly includes the middle plate, installs the inductance in the middle plate, carbon brush assembly and conducting terminal, and one end of inductance is fixed after welding with the conducting terminal riveting, and the other end of inductance is fixed after welding with carbon brush assembly riveting. The utility model passes through independent riveting welding inductance both ends, realizes inductance and brush arm, inductance and the high strength mechanical locking and conducting connection of conducting terminal, and the anti -vibration performance is superior to direct welding mode, can keep reliable contact in the vibration environment.

The invention discloses a chip contact reliability detection device and method in the technical field of electronic device reliability testing. The device comprises a burn-in board which is provided with a plurality of sockets, and the sockets are used for installing chips to be tested; the reliability equipment comprises a digital signal generation board, a power board, a back board and an adapter board, and the digital signal generation board and the power board are connected with the burn-in board through the back board and the adapter board; the detection assembly comprises a current measurement circuit, a voltage measurement circuit, an input circuit and an output circuit; and the PC is in communication connection with the power panel, the digital signal generation board and the detection assembly and is used for controlling the power panel, the digital signal generation board and the detection assembly to work and acquiring detection information. According to the detection method, which one of a plurality of chips connected in parallel on the burn-in board has a power supply short circuit and an open circuit can be positioned; and besides the power supply, whether other digital pins of the chip are in reliable contact can be detected.

The invention relates to the technical field of measurement, in particular to a wheel type distance measuring device for road and bridge segmented construction and a distance measuring method thereof.The wheel type distance measuring device comprises a wheel, a handle and a counter, the counter is fixed to the handle, and the wheel is connected with the handle through an elastic assembly; the elastic assembly can adaptively adjust the distance between the wheel and the counter under the condition of an uneven road surface, the wheel and the counter are matched through the transmission assembly, and the transmission assembly can drive the counter to operate in the process that the wheel rotates and the elastic assembly stretches out and draws back; the brush is matched with the cleaning assembly, when the wheel rotates, the cleaning assembly drives the brush to brush the outer wall of the wheel in a reciprocating mode, the device is compact in overall structure and convenient and fast to operate, and the elastic buffering function, the stable transmission function and the automatic cleaning function are organically integrated; and the environmental adaptability and the working reliability of the wheel type distance measuring device in a road and bridge segmented construction scene are improved.

The invention relates to the field of low-voltage electric appliances, in particular to a contact system and a switching electric appliance comprising the contact system, the contact system comprises a main contact structure and at least one movable contact structure, the main contact structure comprises a main contact, the main contact comprises at least one main contact part, the movable contact structure comprises a movable contact, and the main contact part comprises at least one main contact part. The movable contact comprises a movable contact part; the main contact part and the movable contact part are matched in an inserting manner to enable the main contact and the movable contact to be closed; the contact system and the switching device are simple in structure and reliable in contact.

The utility model discloses an electronic building block capable of being spliced in three-dimensional directions, which comprises a building block unit (8), the building block unit (8) comprises an outer frame (1), and each side surface of the outer frame (1) is provided with a mounting port (2); at least one unit conductor (3) is arranged in the outer frame (1), a plurality of insertion blocks (4) and a plurality of interfaces (5) are arranged on the unit conductor (3), and the insertion blocks (4) and the interfaces (5) are correspondingly arranged in the mounting ports (2) in the side surfaces of the outer frame (1); the building block units are detachably spliced through the insertion blocks (4) and the interfaces (5); according to the utility model, construction in multiple directions can be carried out, circuit conduction can be realized, and in addition, the utility model also has the characteristic of good connection reliability.

The invention discloses a ring type medical cotton swab clamping device, and belongs to the technical field of pharynx wiping piece sampling. The device comprises a first shell and a second shell, the second shell is fixedly installed on the front side of the first shell, and ring holes are formed in the bottoms of the first shell and the second shell; a mounting table is fixed in the first shell, a fixed block and a movable block are connected to the mounting table, the movable block is driven to clamp the non-sampling end of the cotton swab rod by shifting an external handle, sampling is completed, and the problems that in the cotton swab rod clamping process, operation is tedious, and replacement is not easy are solved.

The application provides a wire SI performance test board for rapid docking, comprising a test mainboard, a plurality of test output interfaces are arranged on the front surface of the test mainboard, a first SMA interface is arranged on the upper side of the test output interface, a second SMA interface is arranged on the left side of the test output interface, a test input interface is arranged on the back surface of the test mainboard, the test input interface is provided with a first magnetic attraction assembly, the test mainboard further comprises a test input connector, the test input connector is provided with a second magnetic attraction assembly, one end of the test input connector is rapidly docked with the test input interface through the second magnetic attraction assembly and the first magnetic attraction assembly, and the other end of the test input connector is provided with a wire docking interface. The application can significantly improve the wire connection / detaching efficiency, is simple and reliable to operate, reduces interface abrasion, and has good adaptability.

The present application relates to the technical field of connector, especially to an electric connector assembly. The electric connector assembly comprises a shell, a PCB adapter plate is arranged in the shell, two or more rows of non-ground cables are electrically and fixedly connected to the PCB adapter plate, two or more rows of connecting pads are arranged on the front and back surfaces of the PCB adapter plate respectively, each row of connecting pads comprises a row of signal pads and ground pads, the core wire of the non-ground cable is electrically and fixedly connected to the signal pad on the front surface, the conductive outer sheath is electrically connected to the ground pad on the front surface, the signal pad and the ground pad on the back surface are used for being electrically connected to the corresponding terminals of a PCB female plate or being electrically connected to the corresponding terminals of an adapter socket and then being electrically connected to the PCB female plate, the PCB adapter plate is internally arranged with a conductive circuit to correspondingly connect the connecting pads on the front and back surfaces of the PCB adapter plate, and the electric connector assembly further comprises a load bottom support which is locked and connected to the shell. The electric connector assembly can realize multi-row high-density wiring and greatly improve the performance of the connector.

The present invention discloses a full-sea-depth single-phase driven piezoelectric release mechanism and its working method. The full-sea-depth single-phase driven piezoelectric release mechanism includes a float, a detector, a release module, a first to second connection device and an anchored weight; the release module includes a release lock body, a first piezoelectric actuator and a second piezoelectric actuator; the release lock body includes a fixed plate, a hanging plate, a limit plate, a first rotating column and a second rotating column. When working, the release lock body is opened by driving the first piezoelectric actuator and the second piezoelectric actuator, and the detector is towed to the sea surface by the float. Compared with other releasers, the present invention does not need to be sealed, and there is no cavity inside each component, so it can work under high water pressure. The structure is simpler and the reliability is higher. It can directly release large loads and give full play to the advantages of piezoelectric actuators.