2836results about "Electric connection structural associations" patented technology

The invention, which relates to the technical field of power construction, discloses a live-line live-line operation parallel groove clamp installation tool and a use method thereof, and the tool comprises a support, a fastening assembly, a rotating assembly, a clamping assembly, a drainage wire pre-fixing assembly, a positioning assembly and a control assembly. A pin shaft eyebolt in the spring pin shaft mechanism is pulled open and released, so that a pin shaft enters a circumferential positioning hole of a flange, angle adjustment of an insulating rod and an installation tool is achieved, the operation requirements of different working angles are met, the pre-tightening mechanism is driven through the elastic pipe clamp and the steering engine, pre-fixing and releasing of a drainage wire are achieved, and the working efficiency is improved. Through the fixed end guide rail and the movable end guide rail, positioning and guiding of the transmission conductor are realized, the transmission conductor is accurately guided into the parallel groove clamp, and the reliability of installation operation is effectively ensured.

A header power connector includes a header housing assembly including an outer housing having cavities that receive corresponding inner housings, which hold terminals for electrically connecting upper and lower busbars. The inner housings are movable relative to the outer housing to accommodate misalignment of the corresponding upper and lower busbars. The terminals are movable in the terminal channels of the inner housings to accommodate misalignment of the corresponding upper and lower busbars.

The invention discloses an intelligent transformer substation tubular busbar lap joint drainage wire robot, and relates to the technical field of power equipment. Comprising a transverse block and a controller, movable grooves are formed in the two sides of the transverse block, inserting blocks are movably arranged in the movable grooves, movable supporting blocks are fixed to the ends of the inserting blocks, a driving piece is arranged between the two inserting blocks, and the two inserting blocks are driven by the driving piece to move towards each other or away from each other. The transmission assembly, the movable arm assembly, the wiring assembly and the clamping assembly are arranged, the robot is moved to a lap joint position through the transmission assembly, the wiring assembly and the clamping assembly are moved through the movable arm assembly, the wiring assembly is moved to one side of a bus to be installed, and finally the wiring assembly and the bus are fixed through the clamping assembly. The robot is suitable for working in a narrow space between two buses, and the installation process only needs to be intelligently controlled by constructors, so that the safety of lap joint of the tubular bus and the drainage wire of the transformer substation is improved.

The utility model relates to the technical field of power distribution network uninterruptible operation, and discloses a power distribution network uninterruptible multifunctional wire clamp, which comprises a basic pressing seat, a lifting control mechanism, a movable pressing block, a limiting pressing plate and a grounding hanging ring, the basic pressing seat comprises a crimping arc plate located at the top, a crimping back plate located in the middle and a connecting seat body located at the bottom; the movable pressing block can vertically move relative to the crimping arc plate through the lifting control mechanism, and then the movable pressing block is matched with the crimping arc plate to clamp a set cable. The limiting pressing plate is installed on the crimping backboard on the other side of the basic pressing seat, the limiting pressing plate is matched with the crimping backboard to clamp a lead cable and a grounding hanging ring, the grounding hanging ring can hang a grounding wire, the lead cable can be connected with a transfer line, and therefore the problems that in the prior art, a wire clamp structure is single in function, and the grounding wire can not be connected with the ground wire are solved. The flexible adaptability to complex operation scenes is poor, the construction labor cost is high, and the efficiency is low.

The utility model discloses a duckbilled 220kv quick suspension grounding wire device, which relates to the technical field of grounding wire devices and comprises an insulating rod, an operating rod connected with the insulating rod, a screw rod connected with a clamping block, an arc-shaped block fixedly provided with a special-shaped rod and a connecting rod, a clamping block fixedly provided with a stop lever, a tongue-shaped rod connected with a first spring and a movable block, and an inserting rod inserted with an inserting groove. A spring II is fixed on the connecting block; the insulating rod is held by a hand, the cable is attached to the special-shaped rod through the special-shaped rod, the cable makes contact with the arc-shaped face of the tongue-shaped rod, the insulating rod is moved, the tongue-shaped rod moves downwards, the cable penetrates through the tongue-shaped rod, the tongue-shaped rod returns to the original position, the rotating disc is rotated to enable the arc-shaped block to clamp the cable, the arc-shaped block drives the special-shaped rod to press the tongue-shaped rod downwards, the inserting groove and the inserting rod are connected, and hanging of the grounding wire device is completed. The problem that a wire clamp of a grounding wire is not easy to hang due to a small opening is solved, the situation that the clamping effect is improved by increasing the dead weight of an insulating rod is avoided, and the burden caused by the insulating rod is reduced.

The invention relates to the technical field of power equipment, and discloses a wind power generation torsion-resistant flexible cable, which comprises a cold-resistant torsion-resistant outer covering sleeve body, an ethylene propylene rubber insulating layer sleeve body is arranged in the cold-resistant torsion-resistant outer covering sleeve body, a torsion-resistant reinforced layer sleeve is arranged in the ethylene propylene rubber insulating layer sleeve body, and the torsion-resistant reinforced layer sleeve comprises a copper conductor core body group. A reinforcing core body group is arranged in the copper conductor core body group; the cold-resistant torsion-resistant outer covering sleeve body comprises a polyurethane elastomer sheath and an aramid fiber embedded sleeve, and the aramid fiber embedded sleeve is embedded in the inner wall of the polyurethane elastomer sheath and wraps the ethylene propylene rubber insulating layer sleeve body. The torsion-resistant quality of the guide core wire structure, the insulation sleeve structure and the cold-resistant outer sleeve structure is reinforced, and the torsion-resistant quality of the outer cold-resistant outer sleeve structure with the largest bearing stress during bending is greatly improved, so that the torsion-resistant and tensile quality of the whole cable is improved, and the cold-proof and wear-resistant protection effects of the outer sleeve structure are guaranteed.

A connection unit connects an electrical supply line to a connection element of a heatable exhaust gas system. The connection unit has a housing having a connection element receiving region extending in the direction of a first housing axis (G1) and a supply line receiving region extending in the direction of a second housing axis (G2). The connection element receiving region is open in a first axial connection element receiving region end region for receiving the connection element protruding from an exhaust gas system and is closed off in a second axial connection element receiving region end region. The supply line receiving region is open to the connection element receiving region in a first axial supply line receiving region end region and is open in a second supply line receiving region end region for receiving an electrical supply line.

The invention provides an ultra-high voltage anti-overturning spiral plain end grounding clamp, and relates to the technical field of power transmission line maintenance equipment, and the grounding clamp comprises an outer frame, one side of which is provided with an opening; the movable clamping block is arranged in the outer frame, and one end of the movable clamping block is connected with the side, opposite to the opening, of the outer frame in a sliding mode; the adjusting screw rod penetrates through the upper part of the outer frame and is in threaded connection with the outer frame, and the lower end of the adjusting screw rod is rotatably connected with the movable clamping block; the upper end of the telescopic rod is connected with the outer frame; and the balancing weight is connected to the lower end of the telescopic rod. The grounding wire clamp has the beneficial effects that the interference of external force is resisted by using the torque generated by the gravity of the balancing weight, so that the wire clamp does not turn over when being influenced by the external force such as natural wind power and the gravity of the grounding wire in the working process of clamping the grounding wire, and can be always kept in a vertical state; the safety and reliability of the automatic grounding work of the ultra-high voltage transmission line are improved, and the risk is reduced.

The utility model discloses an ultrahigh-voltage security anti-induced current drainage grounding device. The grounding clamp is provided with a connecting part and a hook part, the pressing block is arranged in the grounding clamp, the adjusting pressing screw rod is connected to the bottom end of the pressing block and connected with the grounding clamp in a screwed mode, a locking component is arranged on the side face of the connecting part, and soft contact surfaces are arranged on the inner surface of the hook part and the upper surface of the pressing block. A foldable stress application rod is hinged to the bottom of the adjusting pressing screw rod, and the side portion of the connecting portion is connected with a grounding lead. The grounding clamp has the advantages that after the grounding clamp compresses the conductor, the adjusting compression screw rod is locked through the locking part, so that pressure between the grounding clamp and the conductor is prevented from being released by natural shaking and external force, and the problem of looseness between the grounding clamp and the conductor is solved. Soft contact and surface contact are adopted, the gap between the movable pressing block and the sliding groove is small, and the grounding clamp can move up and down freely, thereby reducing the internal resistance of the grounding clamp. And the stress application rod made of epoxy materials is additionally arranged, so that stress application operation can be performed.

The utility model discloses a branch line drainage wire clamp, comprising a wire clamp main body and a clamping mechanism, the wire clamp main body comprises a clamping part and a lead wiring part which are in a U-shaped structure, and the branch line drainage wire clamp also comprises a fixing plate and a fixing screw rod. A T-shaped sliding groove is formed in the back face of the clamping part, a first fixing ring is arranged at the top of the fixing plate, and a T-shaped connecting part matched with the T-shaped sliding groove is arranged on one side of the fixing plate. A first screw hole and a second screw hole are formed in the fixing plate and the sliding groove respectively and connected through a fixing screw, and a second fixing ring is arranged on the top of the screw. The clamping mechanism comprises a screw, a clamping block and an operating rod, and an operating handle with a through hole is fixed to the bottom of the operating rod. Silver-based coatings are arranged on the clamping blocks and the clamping parts, and salient points are arranged on the surfaces of the coatings. The lead wiring part and the clamping part are obliquely arranged, and a torque bolt is arranged on the side face of the lead hole. According to the design, through the adjustable fixing plate and the fixing screw rod, the installation flexibility and adaptability are improved, the maintenance work is simplified, and the conductivity and stability are enhanced through the design of the silver-based coating and the protruding points.

The invention discloses auxiliary safety equipment for a ground rod, which is applied to the field of power equipment and comprises a base, and a detection mechanism is arranged on the surface of the base; according to the invention, the wire of the grounding rod is connected with the hook, and after the hook is hooked on the metal cable, an internal circuit is triggered through the connecting terminal to form a loop, so that a closed circuit is realized; when the circuit is closed, the buzzer gives an alarm, and the main control chip sends a closed-loop signal to the alarm box through the communication module to realize state voice alarm information to inform that the grounding rod is normally hung on the metal cable, so that the purpose of high safety is achieved, and the grounding rod is convenient to use. By moving the clamping rod, the clamping rod is separated from the adjusting hole, after the handle rod is moved to the needed position, the clamping rod is loosened, the clamping rod is clamped with the adjusting hole under the action of the third spring, the length of the handle rod can be adjusted, and practicability and applicability are improved.

Provided is a fast plug-in energy storage connector, including a plug assembly and a socket assembly, where the socket assembly includes a housing body and a male terminal; the plug assembly includes a plug body, a tail lid, a button structure, a two-way buckle and a conductive terminal, and the two-way buckle includes a first buckle arm, a second buckle arm and a connecting member that are clamped with the housing body in respective; the button structure includes a button brake block, a link, a reset spring and locking members; and lower ends of the locking members are provided with lean-against portions that are in contact with and leaning against the first buckle arm and the second buckle arm in respective. The fast plug-in energy storage connector is convenient for users to operate and has a long service life.

The utility model discloses a fastener, an electric connection module and a connector. The outer flange and the threaded hole are located at one end of the fastener, and the stud part is located at the other end of the fastener. The stud part of the fastener is suitable for penetrating through the conductive sleeve and being in threaded connection with the conductive terminal, and the outer flange of the fastener is suitable for axially abutting against one end of the conductive sleeve, so that the conductive sleeve can be vertically fastened on the conductive terminal by the fastener; the threaded hole of the fastener is suitable for being in threaded connection with the bolt, so that the matching terminal can be fastened to one end of the conductive sleeve through the bolt. According to the utility model, the fastener, the conductive sleeve and the conductive terminal can be disassembled and assembled, so that the required installation space is small, the size of the connector can be reduced, and the miniaturization of the connector is realized. In addition, the connector provided by the utility model not only has a compact structure, but also has the functions of waterproof sealing, electromagnetic shielding, high-voltage interlocking, finger protection and the like.

The invention provides an automatic grounding wire clamp which comprises a grounding wire clamp body, an electric locking mechanism and an execution assembly, the electric locking mechanism comprises a locking sliding block driven by the execution assembly to move, and the execution assembly is started when a locking switch and an unlocking switch are triggered. The locking sliding block is driven to move close to the hook part of the grounding wire clamp main body to form a locking state for locking the cable and to move away from the hook part to form an unlocking state for unlocking the cable; a locking push block is movably arranged at the groove cavity of the hook part, is extruded by the cable sliding into the groove cavity of the hook part, and slides to trigger the locking switch; the upper part of the grounding wire clamp main body is provided with a lifting ring for lifting the unmanned aerial vehicle, the lifting ring can slide along the vertical direction, an unlocking push block is fixed on the lifting ring, and the unlocking switch is triggered when the unlocking push block slides upwards along with the lifting ring. According to the invention, automatic locking and unlocking can be realized in the mounting and dismounting process of the grounding wire clamp.

The utility model relates to a wiring terminal, and relates to the technical field of cable fittings, the wiring terminal comprises a wiring part, one end of the wiring part is connected with a mounting part, the other end is provided with a wiring hole for wiring, the wiring part is provided with a welding ring groove at one side of the opening of the wiring hole, and the welding ring groove is communicated with the wiring hole. An opening of the welding ring groove is larger than an opening of the wiring hole, a welding ring is arranged in the welding ring groove, and the inner diameter of the welding ring is larger than or equal to the inner diameter of the wiring hole. Through the arrangement of the welding ring, after a wire is installed in the wiring hole, a worker can further fix the joint part of the wire to the end part of the wiring part through the welding ring, and meanwhile, the molten welding ring can block the joint part, so that the joint part of the wire can be better protected, and meanwhile, the entering of water vapor can be reduced; and contact resistance increase and electrical short circuit accidents caused by oxidation after the wire is in contact with air are prevented.

The invention belongs to the technical field of high-voltage line grounding equipment, and particularly relates to a lockable grounding wire clamp device mounted by an unmanned aerial vehicle and a method for introducing backflow in a high-voltage line into the ground, and the lockable grounding wire clamp device mounted by the unmanned aerial vehicle can be carried by the unmanned aerial vehicle to complete grounding operation of the high-voltage line in maintenance. The lockable grounding wire clamp device is time-saving and safe for on-site constructors, a unique locking and unlocking mechanism composed of a lock cylinder, a clamping jaw assembly, a spring bolt driving piece and an unmanned aerial vehicle mounting assembly enables a high-voltage wire to enter a high-voltage wire claw embracing area, and then high-voltage wire claw embracing can be completed under the self-gravity effect of the lockable grounding wire clamp device; according to the invention, connection and locking of the high-voltage line are realized, the locking mode is relatively reliable, unlocking can be realized only by pulling up the unmanned aerial vehicle mounting assembly, and safe grounding in adverse weather such as strong wind is realized. When the unmanned aerial vehicle needs to be taken down, unlocking can be achieved by connecting the unmanned aerial vehicle with the unmanned aerial vehicle mounting assembly and pulling the unmanned aerial vehicle mounting assembly upwards, and unlocking is convenient and fast.

The invention discloses a ground wire system, and relates to the technical field of power system safety equipment, and the system comprises a conductive wire clamp assembly which can clamp a ground wire, and a pressure sensor is arranged at the clamping position, and can collect the pressure change of the clamping moment of the ground wire; the placement bin is connected to one end of the conductive wire clamp assembly, a circuit board is arranged in the placement bin, and a single-chip microcomputer, a 4G wireless communication module and an attitude sensor are carried on the circuit board; the attitude sensor can measure attitude information of the grounding wire; the single-chip microcomputer is electrically connected with the pressure sensor and the attitude sensor and can receive pressure and attitude data, and the 4G wireless communication module can upload the collected pressure and attitude data to a cloud server in real time by using a mobile communication network. According to the invention, the hitching state and hitching posture of the grounding wire can be judged in real time.

The invention relates to the technical field of grounding devices, and provides a grounding device and a power system.The grounding device is used for connecting a three-phase wire to a grounding grid and comprises a supporting piece, a first conductive piece, a second conductive piece, a grounding assembly and a limiting assembly. The first conductive part is rotatably connected to the supporting part, the second conductive part is rotatably connected to the supporting part, the second conductive part and the first conductive part define a limiting cavity, the supporting part and a first wire in the three-phase wires are located in the limiting cavity, one end of the grounding assembly is connected to the first wire, and the other end of the grounding assembly is connected to the ground screen. The limiting assembly is rotatably connected to at least one of the first conductive piece and the second conductive piece, the limiting assembly is provided with a limiting part, and the limiting part is connected to at least one of a second wire and a third wire in the three-phase wires. According to the invention, the problems of complex operation and low operation efficiency in manual installation of the grounding wire on the three-phase wire can be solved.

The invention relates to the technical field of fireproof cables, and particularly discloses a fireproof cable heat dissipation joint device which comprises a joint sleeve, the two ends of the joint sleeve are symmetrically and fixedly connected with bayonet sockets, the bayonet sockets are connected with the ends of a fireproof cable, and the inner ends of the bayonet sockets are fixedly connected with copper cores. Wherein the two bayonet sockets are fixedly connected through a copper core, and the heat dissipation assembly is fixedly installed on the connector sleeve. And the protection assembly is fixedly mounted on the outer surface of the joint sleeve. According to the heat-dissipation joint device of the fireproof cable, the heat dissipation assembly is arranged, so that the joint sleeve can be automatically cooled by utilizing pressure change during working, and the problem that the joint sleeve is easily in a high-temperature state for a long time to cause potential safety hazards during working due to slow ventilation in a mine is solved; and the cooling efficiency is greatly improved by dividing the interior of the joint sleeve into two cavities for circulating cooling.

The invention relates to the technical field of electric power drainage wire fixation, and discloses a drainage wire clamp and an installation tool, and the drainage wire clamp comprises a contact wire clamp, a guide connection part, and an insulation handle. The contact wire clamp is provided with a hooking part for hooking a high-voltage wire and a connecting part for connecting a conductive cable, the front end of the guide connecting part is connected with the connecting part, the rear end of the guide connecting part is connected with the conductive cable, the insulation handle is sleeved on the peripheries of the contact wire clamp and the guide connecting part, and the insulation handle is movably connected with the contact wire clamp. Therefore, the high-voltage wire can move along the axial direction of the contact wire clamp to abut against and be fixed. Under the condition that a high-voltage line outlet end needs to directly and uninterruptedly supply power to a high-voltage overhead line in special occasions, butt joint can be quickly and safely carried out.

The invention belongs to the technical field of power construction safety, and particularly provides a grounding clamp device based on unmanned aerial vehicle control, which comprises an inverted J-shaped shell, and a clamping mechanism and a releasing mechanism fixedly arranged in the shell, the upper part of the grounding clamp is provided with a clamping port used for clamping a wire. A clamping and releasing pin is arranged at the top of the shell, and the clamping and releasing pin can be separated from the shell after the wire is clamped; the lower end of the shell is fixedly provided with a grounding wire base used for being connected with a grounding wire. The clamping mechanism comprises a clamping arm, a main spring and a trigger rod, and can realize automatic clamping of a wire; and the release mechanism comprises a release handle part, a release pull rod, a release block and a tension spring, and can quickly relieve the clamping and fixing effect of the clamping mechanism on the wire, so that the grounding clamp is separated from the wire. The ground clamp is provided with an automatic wire clamping and releasing mechanism, can be matched with an unmanned aerial vehicle to install and release the ground clamp, is high in clamping reliability, is simple in releasing operation, and is suitable for the maintenance of a high-voltage transmission line.

An electrical connection structure includes: a first unit including a terminal; and a second unit including a connection terminal. The electrical connection structure is configured by mounting the second unit to the first unit such that the connection terminal is electrically connected to the terminal. The terminal has a plate-shaped tab. The connection terminal includes a receptacle formed with a connection groove into which the tab is inserted, and a spring contact provided on inner side surfaces of the connection groove. The spring contact comes into elastic contact with outer surfaces of the tab inserted into the connection groove.

The invention relates to the technical field of industrial intelligent gateways, in particular to an aviation plug waterproof wet plug type connector for an intelligent gateway. Comprising a connecting shell, a conductive module is arranged in the middle of the interior of the connecting shell, the conductive module is used for protecting two cable ends after butt joint is completed, symmetrically-distributed sliding rings and symmetrically-distributed limiting rings are slidably connected into the connecting shell, and the sides, close to the conductive module, of the limiting rings are in threaded connection with threaded sleeves. And wedge-shaped blocks which are distributed at equal intervals in the circumferential direction are fixedly connected to the sides, close to the conductive modules, of the limiting rings, the threaded sleeves are used for extruding the adjacent wedge-shaped blocks so as to clamp the adjacent cable ends, and springs are fixedly connected between the sliding rings and the adjacent limiting rings. According to the invention, the springs and the limiting rings drive the wedge-shaped blocks which are distributed at equal intervals in the circumferential direction, so that the two separated cable ends are close to each other, and normal transmission of current can still be ensured after the cable ends are interfered by external force.

The invention discloses a pneumatic telescopic automatic clamping device for a high-altitude grounding wire, and relates to the technical field of grounding wire clamping, and the pneumatic telescopic automatic clamping device comprises a base which is provided with a mounting table; the bottom end of the pneumatic telescopic mast is detachably connected to the mounting table, and a control box for controlling the pneumatic telescopic mast to work is arranged on one side of the pneumatic telescopic mast; the wire clamp mechanism comprises a fixed seat, a grounding wire clamp, a bearing seat and a mounting frame; a rotating shaft is arranged between the two supporting plates, one end of the installation frame is installed on the rotating shaft, the outer side of the rotating shaft is connected with a rotating and swinging motor, a lead screw is connected to the bearing seat, one end of the lead screw penetrates through the first clamping part to be fixedly connected with the second clamping part, and the other end of the lead screw is connected with a wire clamp loosening and tightening motor. The adjustable supporting frame comprises a movable adjusting locking ring and a plurality of angle adjusting supporting rods, the pneumatic telescopic mast is sleeved with the movable adjusting locking ring, one end of each angle adjusting supporting rod is movably connected with the movable adjusting locking ring, and the other end of each angle adjusting supporting rod is movably connected to the base. The rotating and swinging design is adopted, the structure is easier to operate and practical, the rotating and swinging function of the mechanism can be achieved only through ground remote control, operation is greatly facilitated, operation safety is guaranteed, the structural design is ingenious, and operation is convenient and fast.

Provided are an anisotropic electroconductive film and an electroconductive connector that are capable of achieving lower resistance, higher frequency characteristics, higher resolution, higher contact stability resulting from reduction of contact pressure, higher current, and higher durability than in the past.　An anisotropic electroconductive film 110 includes: an insulating thin film 112 made of a polymer material having elasticity; and particles 200 that are dispersed in the insulating thin film 112 and are imparted with magnetic anisotropy so that the easy magnetization direction of the particles 200 is in the thickness direction of the insulating thin film 112, the particles 200 being made of a substance exhibiting topological antiferromagnetic characteristics. The particles 200 are arranged apart from each other in the in-plane direction of the insulating thin film 100, the particles 200 forming a plurality of conduction parts 114 capable of conducting in the thickness direction. Each conduction part 114 is formed from a single particle 200 (or a plurality of particles 200 arranged in the thickness direction). Each of the particles 200 has a south-pole region 604 and a north-pole region 602 formed at two ends in a direction following the easy magnetization direction. The magnetic flux of a virtual magnetic field is concentrated at the south-pole region 604 and the north-pole region 602.

To provide an electronic component unit and a wire harness which can supply power properly to various apparatuses equipped in a vehicle.SOLUTION: An electronic component unit 10, which is applied to a wire harness, includes: a power source terminal 11 equipped in a vehicle and connected to a power source B2 for supplying power at a first voltage V1; a circuit branch part 13 connected to the power source terminal 11, the circuit branch part causing power supplied from the power source B2 to branch to a plurality of power source systems PL; and a voltage converter 15 removably provided to at least one of the power source systems PL in the circuit branch part 13, the voltage converter converting the voltage of power supplied from the power source B2 to a second voltage V2, which is lower than the first voltage V1, and outputting the second voltage V2.SELECTED DRAWING: Figure 6

The utility model provides a testing device and a battery system. The testing device is applied to a power module in a battery system and comprises an insulating piece and a connecting piece. The insulator is for securing to a housing of the power module. The connecting piece penetrates through the insulating piece, a first end and a second end, opposite to each other, of the connecting piece protrude out of the insulating piece, the first end is provided with a first connecting hole used for connecting an input end of the power module, and the second end is provided with a connecting line used for connecting a test power supply. According to the invention, the testing device composed of the insulating part and the connecting part is arranged, the insulating part is fixed on the power module, and the input end of the power module is electrically connected with the testing power supply by being connected to the connecting part, so that the problem that the testing power supply and the power module are directly connected and installed, and the size tolerance is large is solved. And the testing device can be matched with the power module and the testing power supply to carry out various tests, so that the accuracy of a testing result is improved.

The invention discloses a connector and a connector assembly. The connector comprises: a housing adapted to mate with a mating housing of a mating connector; the high-voltage module is arranged in the shell and is suitable for being fastened to a high-voltage matching module of a matching connector so as to be electrically connected with the high-voltage matching module; and a low-voltage module movably mounted outside the housing for electrically connecting to a low-voltage mating module of a mating connector. The low-voltage module can move between a pre-assembling position electrically separated from the low-voltage matching module and a final assembling position electrically connected with the low-voltage matching module. The low-voltage module is moved individually to a final position in electrical connection with the low-voltage mating module only after the high-voltage module has been fastened to the high-voltage mating module. Therefore, whether the high-voltage module is fastened to the high-voltage matching module or not can be accurately judged according to the electric connection state between the low-voltage module and the low-voltage matching module, and the use safety of the connector is improved.