70results about How to "Avoid false connection" patented technology

The invention discloses an electric energy meter extra-posed circuit breaker structure with wireless communication. The structure comprises a circuit breaker and a driving module, wherein the drivingmodule comprises an execution unit, a control unit and a wireless communication unit; the execution unit is connected with the circuit breaker and is used for controlling the on and off of the circuitbreaker; the control unit is connected with each of the circuit breaker and the execution unit and is used for receiving a state signal of the circuit breaker; the control unit is further connected with the wireless communication unit and is used for receiving a control signal sent by peripheral equipment through the wireless communication unit. The electric energy meter extra-posed circuit breaker structure has the beneficial effects of encrypting wireless data, improving the safety, effectively preventing tamper and electric larceny, accurately and effectively controlling circuit breaker actions, effectively preventing wrong and false wired connection and reducing the operation and maintenance cost.

The invention provides a shrapnel-type wire connector of an auxiliary terminal of an intelligent electric energy meter. The shrapnel-type wire connector comprises metal shrapnel which is connected with a fixed board; fasteners are fixedly connected to both ends of the fixed board; and a welding hole is formed at the tail end of the metal shrapnel. By adoption of the structure, the shrapnel-type wire connector has advantages of good contact effect and high fault tolerance rate; the contactable area when the metal shrapnel is contacted with a terminal screw is larger than the contactable area when the metal shrapnel is contacted with a terminal hole; virtual connection can be avoided; moreover, as compaction pressure of the shrapnel is smaller, the shrapnel-type wire connector is easy to fix.

The invention discloses a double-knife high voltage isolating switch which comprises a holder. Insulators are symmetrically installed at both sides of the top of the holder, and contactor seats are fixedly installed on the top of the insulators. Latching plates are arranged on the contact seats. A shaft rod passes through and is installed in the middle of an upper surface of the holder, and a knife driving device is installed on a side wall of the shaft rod. The latching plates are connected or disconnected by using two S-shaped knives and two -shaped knives, and the current conduction can be effectively and stably controlled. Rotational directions of the S-shaped knives are made different through mutual cooperation of a driven fluted disc, a driving fluted disc, and a bevel gear shaft. It is convenient to use the isolating switch. The -shaped knives are in butt joint with matched contact blocks by using a rolling disc and an eccentric motion principle, and a virtual connection phenomenon when a single knife switch is used can be effectively prevented. Contact pins can be effectively prevented from falling off from pin holes by installing spacer pins in the pin holes.

The invention relates to an explosion-proof connector, which comprises a socket and a plug adaptive to be inserted in the socket, wherein the socket comprises a socket base; conductive pins playing arole of conduction are arranged on the socket base; and zero wire or earth wire pins in the conductive pins are higher than other pins. In the adaptive insertion of the socket and the plug, the zero wire or earth wire pins contact conductive jacks on the plug, and then are disconnected with the conductive jacks, thereby effectively avoiding the generation of electric sparks. The connector also hasthe advantages of simple use and low maintenance cost.

The invention discloses a double-knife high voltage isolating switch which comprises a clamp holder. Insulators are symmetrically arranged on both sides of the top of the clamp holder. A contact base is fixedly arranged at the top of each insulator. A locking plate is arranged on each contact base. A shaft lever is inserted into the middle upper surface of the clamp holder. A knife driving device is arranged on the side wall of the shaft lever. The locking plates are connected or disconnected through two S-shaped knives and two straight knives. Current conduction can be effectively and steadily controlled. Through mutual interaction of a driven gear disk, a drive gear disk and an umbrella gear shaft, the rotation directions of the S-shaped knives are opposite, which facilitates the use of the isolating switch. A rotary disk is used, and the principle of eccentric movement is used to realize butt joint of the straight knives and matched contact blocks, so as to effectively avoid the phenomenon of virtual connection when a single knife is used. A contact pin is effectively prevented from falling off from a pin hole by arranging a limit pin in the pin hole.

The invention discloses a fast-connected power switch which comprises an eccentric card tension spring, wherein one end of the eccentric card tension spring is connected with a power-supply wiring metal plate; one end of a connecting shaft screw is in threaded connection with a spring tension regulating nut after passing through the eccentric card tension spring; the other end of the connecting shaft screw is connected with an insulated eccentric card after passing through the power-supply wiring metal plate; the other end of the eccentric card tension spring is connected with the spring tension regulating nut; the bottom of the insulated eccentric card, close to the power-supply wiring metal plate, is provided with a wire nose jack; the bottom of the insulated eccentric card is provided with a jack front end upwarp cambered surface; a plate-type wire nose with an opening in the middle part is positioned in a position where the insulated eccentric card is in contact with the power-supply wiring metal plate; the plate-type wire nose with the opening in the middle part corresponds to the wire nose jack; and the plate-type wire nose with the opening in the middle part and the power-supply wiring metal plate are respectively connected with a power connecting wire. The fast-connected power switch has the advantages of simpleness in operation, lower manufacturing cost, convenience for use and higher safety performance in the using process.

The invention discloses a compensative connector for a drilling fluid pulse generator for an intelligent well drilling system. The compensative connector comprises a connector seat, a coaxial connector, a slide sleeve, a slide rod, a spring, a spring barrel and a conversion sleeve. The connector seat is mounted at the upper end of a mud power generator and matched with the lower end of the springbarrel, and the coaxial connector is mounted in the connector seat. The lower end of the coaxial connector is connected with a pulse control driving circuit system in the mud power generator through awire. The slide rod is mounted between the spring barrel and the slide sleeve, the spring is mounted between the slide rod and the slide sleeve, and a socket of the coaxial connector is mounted in the lower end of the slide rod. In butt joint, the slide rod is capable of sliding retractably according to relative positions of the connector seat and the spring barrel to realize compensative connection. The electronic connector is protected in butt joint, disconnection and unfirm connection due to size errors are avoided, and communication connection between the pulse generator and the driving circuit system is guaranteed while reliability of the intelligent well drilling system is guaranteed. The whole compensative connector is compact in structure and convenient and simple in assembly.

The invention discloses a double-pole high voltage isolation switch comprising a clamping base. The two sides of the top part of the clamping base are symmetrically provided with insulators, and the top ends of the insulators are fixedly provided with contact bases, which are provided with locking plates. The middle part of the upper surface of the clamping base is provided with a shaft rod in an inserted manner, and the side wall of the shaft rod is provided with a pole driving device. Two S-shaped poles and two I-shaped poles are respectively used for connecting and disconnecting the locking plates, and conduction of current is effectively and stably controlled. By adopting cooperation between a driven fluted disc, a driving fluted disc, and a bevel gear shaft, the rotation directions of the S-shaped poles are opposite, and then the use of the isolation switch is facilitated. By using a rotating disc and an eccentric motion principle, the I-shaped poles are in a butt joint with corresponding contact blocks, and then a false connection phenomenon during the use of the single pole is effectively prevented. By disposing a limiting pin in a pin hole, a contact pin is effectively prevented from falling out of the pin hole.

The invention relates to a voltage-withstand test device for basin-type insulators. The voltage-withstand test device comprises a tank for accommodating a basin-type insulator voltage-withstand tool and is characterized in that a fixed conductive part which extends into the tank in a suspended manner is arranged on the tank, the basin-type insulator voltage-withstand tool is provided with a movable conductive part which extends towards the fixed conductive part in a suspended manner and used for being electrically connected with the fixed conductive part, and a conductive spring which is usedfor achieving electrical connection of the fixed conductive part and the movable conductive part is arranged on one of the fixed conductive part and the movable conductive part. The voltage-withstandtest device has the advantages that the movable conductive part is electrically connected with the fixed conductive part through the conductive spring, false circuit connection is prevented through the pre-deformation of the conductive spring, and contact reliability is achieved.

The invention discloses an intelligent energy meter auxiliary terminal leaf-spring-type wire connector, which comprises an insulation fixed plate, wherein two ends of the insulation fixed plate are respectively fixedly provided with an elastic tightening clamp, and the middle part of the insulation fixed plate is provided with a row of metal leaf springs. The insulation fixed plate is a rectangular insulation plastic fixed plate, and the insulation fixed plate is provided with threaded fixed holes to be in thread connection with the elastic tightening clamp and the metal leaf springs. The elastic tightening clamp comprises a soleplate and clamping plates which are arranged on two sides of the soleplate, and the waist positions of the clamping plate are retracted so as to enable the upper ends of the two clamping plates to form a V-shaped opening structure. One end of each metal leaf spring is provided with a 20-DEG slope, and the top end of the slope is connected with a platform. The wire connector is simple in structure, low in cost and capable of improving the meter calibration quality and efficiency.

The invention discloses a double-knife high-voltage isolation switch. The double-knife high-voltage isolation switch comprises a clamping seat, wherein isolators are symmetrically arranged at two sides of a top part of the clamping seat, contact seats are fixedly arranged at top ends of the isolators, a lock plate is arranged on each of the contact seat, a shaft rod is arranged at the middle of an upper surface of the clamping seat in an insertion way, and a knife driving device is arranged on a side wall of the shaft rod. Two S-shaped knives and two I-shaped knives are used for separately connecting or disconnecting the lock plates, and thus, current conduction can be effectively and stably controlled; by mutual matching of a driven tooth disc, a driving tooth disc and a bevel shaft, the rotation directions of the S-shaped knives are opposite, and the application of the isolation switch is facilitated; the I-shaped knives are oppositely connected with matched contact blocks by a rotation disc and by means of an eccentric moving principle, so that a virtual connection phenomenon during the usage of a single knife is effectively prevented; and by arranging a limiting pin in a pin hole, a contact pin can be effectively prevented from falling off from the pin hole.

The invention discloses a double-knife high-voltage isolating switch comprising a base. Insulators are symmetrically mounted on both sides of the top of the base. Contact bases are fixedly mounted on the top ends of the insulators and are equipped with lock catch plates. A shaft rod is inserted into the middle of the upper surface of the base and the side wall of the shaft rod is provided with a knife driving device. Two S-shaped knives and two linear knives connect or disconnect the lock catch plates so as to effectively and stably control current conduction. Through the cooperation of a driven fluted disc, a driving fluted disc and a fluted shaft, the S-shaped knives rotate in the opposite direction to facilitate the use of the isolating switch. By using a rotary disc and using the principle of eccentric motion, the linear knives are connected with matched contact blocks so that a phenomenon of virtual connection is avoided when a single knife is used. A stopping pin is installed at pin hole so as to effectively prevent a contact pin from falling from the pin hole.

The invention relates to an electric cooker, comprising an upper cover pivotedly arranged on a cooker body, wherein an upper connecting seat is arranged on the upper cover, a lower connecting seat is arranged on the cooker body, two conductive rotating shafts with upper connecting terminals are arranged inside the upper connecting seat, an assembly groove is formed inside the lower connecting seat, and a lower connecting terminal is arranged in the assembly groove. The conductive rotating shaft is provided with a flat segment with triangular, rectangular, waist drum-shaped, lozenged, ellipsoidal, long round or spindle-shaped cross section, an opening groove is arranged above the assembly groove and communicates with the assembly groove, and the width of the opening groove is less than that of the assembly groove. The upper connecting seat is plugged into the lower connecting seat, a groove is arranged on the upper connecting seat and provided at the center thereof with a boss, the two conductive rotating shafts respectively used for a live line and a zero line and the upper connecting terminals thereof are respectively arranged at the left and the right sides of the boss, and the lower connecting seat is provided with a rotary groove corresponding to the boss. The inventive electric cooker has the advantages of simple and reasonable structure and high safety.

The invention relates to a novel non-combustible floor heating system which comprises a temperature controller as well as an anti-flaming heat preservation layer, a PTC graphene electro-thermal film,a heat conducting anti-flaming cement mortar layer and a ground decoration layer which are successively disposed on the ground, wherein an anti-flaming cable is also embedded between the anti-flamingheat preservation layer and the heat conducting anti-flaming cement mortar layer; the PTC graphene electro-thermal film comprises a lower anti-flaming insulation heat conducting layer and an upper anti-flaming insulation heat conducting layer which are mutually composited, a PTC graphene heat emission oil ink layer is printed on the lower anti-flaming insulation heat conducting layer, and electricconducting sheets are disposed on two ends of the PTC graphene heat emission oil ink layer respectively; and the electric conducting sheets of the PTC graphene electro-thermal film are electrically connected to the temperature controller by the anti-flaming cable, and the temperature controller is connected to mains supply. The PTC graphene electro-thermal film is uniform in heat conduction and has an automatic temperature limiting characteristic, so that continuous temperature rise is avoided, and safety performance is high; and because of an anti-flaming characteristic of the anti-flaming heat preservation layer and the heat conducting anti-flaming cement mortar layer, hidden safety hazards of fire disasters are avoided.

The invention provides a micro LED chip mass transfer method and a display backboard. According to the Micro LED chip mass transfer method and the display backboard, an insulation expansion gasket is arranged in a chip installation groove; a Micro LED chip is transferred to the insulation expansion gasket; the insulation expansion gasket is controlled to expand regularly through heating, so that alignment of the Micro LED chip is achieved, high-precision mass transfer can be achieved with high efficiency, and effective electric connection between the Micro LED chip and a light-emitting substrate can be ensured. In the process that the Micro LED chip is placed in the chip installation groove, the falling point position of the Micro LED chip does not need to be strictly controlled, only a first chip electrode and a second chip electrode need to be located on the two sides of the insulation expansion gasket respectively, then the insulation expansion gasket is controlled to be expanded regularly through heating, and alignment of the Micro LED chip can be achieved; and at the moment, pre-binding and curing operations are further carried out, so that effective electric connection between the Micro LED chip and the light-emitting substrate can be ensured at low cost.

The invention relates to the field of floor welding, in particular to a seamless welding device and method for plastic floors. The device comprises a movable rack, a welding part, a lifting control mechanism, a moving mechanism, a welding rod pressing mechanism, a fan, a cutter mechanism, a welding rod mounting mechanism, a power supply and a brake mechanism, wherein by means of the welding rod mounting mechanism and the brake mechanism, a welding rod coil is convenient to fix, and meanwhile, the condition that welding use is affected by the falling off of a welding rod is prevented; the preheated welding rod is pressed in a welding groove by the welding rod pressing mechanism, the welding rod is prevented from being falsely connected with the welding groove, the welding seam quality is improved, and the device performs continuous welding as well; a welding seam is blown by the fan, welding seam solidification is accelerated, and the higher part of the welding seam is cut by a cutter blade conveniently; and by means of the lifting control mechanism, height of the welding part can be adjusted, and an end of a welding gun can be protected while welding is facilitated. According to the device and the method, working efficiency can be improved, and working intensity of workers is reduced.

The invention discloses a piece of cable supporting pincers for secondary cable operation. The cable supporting pincers comprise a cable supporting pincer body, a hinge joint head, a pair of handles and a cable supporting buckle, wherein the cable supporting pincer body comprises a pair of pincer shoulders hinged to the hinge joint head and a pair of pincer arms corresponding to the pincer shoulders in a one-to-one mode, the bottom ends of the two pincer shoulders are fixedly connected with the corresponding handles respectively, the top ends of the two pincer shoulders are respectively provided with a groove, the two top ends of the two pincer arms are bent and extend to form two arc-shaped grooves, two convex edges matched with the corresponding grooves of the two pincer arms protrude out of the bottom ends of the two pincer arms which are hinged to the corresponding pincer shoulders through the convex edges and the grooves, one end of the cable supporting buckle is hinged to one pincer shoulder, and the other end of the cable supporting buckle is buckled onto the other pincer shoulder. The cable supporting pincers are wide in application range, easy to operate, safe, reliable and convenient to carry, and the cable supporting angle and the cable supporting range of the cable supporting pincers can be adjusted according to needs.

The invention relates to a plasma waste gas treatment system which is characterized by comprising an air inlet pipeline, an induced draft fan, a dust filter, a plasma processor, an air blower, an ozone processor and an exhaust duct, wherein the plasma processor comprises a plurality of metal bars and steel plates which are arranged in parallel, the setting direction of the metal bars and the steel plates is consistent with the direction of air flow, a plurality of sharp ends are arranged around the metal bars, the metal bars are arranged in spiral curly layers of the steel plates, and one ends of the metal bars are fixed on a stainless steel framework. A waste gas treatment process comprises the following steps: dust filtering, plasma treatment, ozone treatment and purification and discharge. The plasma waste gas treatment system and the waste gas treatment process have the benefits that the integrated steel plates are connected with high-voltage negative electrodes, so that the phenomenon of virtual connection or connection leakage caused by connection of a plurality of steel plates and high-voltage negative electrodes in the prior art can be effectively avoided; the ozone processor is additionally arranged behind the plasma processor, so that excessive ozone generated by the plasma processor is subjected to reduction treatment, and secondary pollution is avoided.

The invention relates to a device for hanging or detaching a grounding wire of a high-voltage line by an aircraft and a use method. The device is used for inductive discharge between tower angle steel on a high-voltage tower and a high-voltage line; the device comprises a grounding device clamped with tower angle steel, a high-voltage line clamping device clamped with the high-voltage line, and an aircraft; and the grounding device is connected to the high-voltage line clamping device through a wire. The grounding device comprises an inverted U-shaped grounding guide rail, a proximity switch, a guide column and a baffle plate; one end of the guide column is provided with a first magnet, the baffle plate is provided with a second magnet, the aircraft is provided with a retractable connecting rope, and the connecting rope is provided with a hook; and the hook is connected to a hanging ring. The high-voltage line clamping device comprises a first clamping body, a second clamping body, a torsion spring and an electric push rod. The device has the beneficial effects that: through the arrangement of the device for hanging or detaching the high-voltage line grounding wire by the aircraft, induced electricity in the high-voltage line is connected to a tower through a wire to discharge to the ground.

The invention relates to the field of electric tools, and in particular, discloses a lead bent nose clamp. The lead bent nose clamp comprises a first handle and a second handle connected through a shaft, wherein the front end of the first handle is fixedly connected with a first clamp mouth; the front end of the second handle is fixedly connected with a second clamp mouth; the contacted surface of the first clamp mouth with the second clamp mouth is provided with multiple first grooves; the contacted surface of the second clamp mouth with the first clamp mouth is provided with second grooves fitting the first grooves; the first clamp mouth and the second clamp mouth are closed to form a cone shape; first limiting grooves corresponding to the first grooves are formed in the outer wall of the first clamp mouth; and second limiting grooves corresponding to the second grooves are formed in the outer wall of the second clamp mouth. The lead bent nose clamp can enable the sizes of lead bent noses to adapt to different model numbers of pressing screws so as to prevent the problems of false connection and weak contact caused by no size matching of the bent noses, and can enable green hands with insufficient working experiences to manufacture perfect lead bent noses, so that the working efficiency is improved, and the manufacturing of the lead bent noises realizes the standardization.

The invention relates to the field of air switches, and particularly discloses a novel air switch which comprises a shell, an input terminal with an input sleeve, an output terminal with an output sleeve, a conducting strip, an overload protection bimetallic strip, a rotating piece, a wire and a mechanical locking handle assembly. The thermal inductance device is provided with a controller, a display screen, a temperature sensor and an electromagnetic pull rod assembly. According to the invention, the input sleeve is arranged on the input terminal, the output sleeve is arranged on the output terminal, and the input sleeve and the output sleeve of which the end parts are exposed wrap the end part of the wire and are fixed through the screw, so that the wiring condition can be conveniently observed, the wiring end can be reinforced, virtual connection is avoided, and the wiring quality is improved. The heat dissipation effect of the wiring end is improved; and the temperature of the wiring end and the external temperature of the air switch can be monitored in real time through the thermal inductance device, so that internal and external dual overheating protection is performed on the air switch, and a temperature value is fed back in real time.

The invention relates to a fixing clamp of a power line. The fixing clamp comprises a fixing clamp plate, a fastening bolt, a pressing plate and two line pressing clamp plates, wherein the fastening bolt is in threaded connection with a nut on the fixing clamp plate; the pressing plate is disposed at one end of the fastening bolt; the two line pressing clamp plates are arranged on the fixing clamp plate; the two line pressing clamp plates are correspondingly and respectively provided with slant chutes; and line pressing rods are sheathed in the slant chutes. Application of the fixing clamp of the power line disclosed by the invention can effectively avoid loose connection or connection failure of a power socket caused by the weight of the power line, so that the reliability of low-voltage power utilization is improved, the spot becomes neater and more ordered, and on-spot civilized production and safety level in power utilization are improved.

The invention relates to a voltage-withstand test device for basin-type insulators. The voltage-withstand test device comprises a tank for accommodating a basin-type insulator voltage-withstand tool and is characterized in that a fixed conductive part which extends into the tank in a suspended manner is arranged on the tank, the basin-type insulator voltage-withstand tool is provided with a movable conductive part which extends towards the fixed conductive part in a suspended manner and used for being electrically connected with the fixed conductive part, and a conductive spring which is usedfor achieving electrical connection of the fixed conductive part and the movable conductive part is arranged on one of the fixed conductive part and the movable conductive part. The voltage-withstandtest device has the advantages that the movable conductive part is electrically connected with the fixed conductive part through the conductive spring, false circuit connection is prevented through the pre-deformation of the conductive spring, and contact reliability is achieved.

The invention provides a new energy electronic lock, a feedback control circuit thereof, a control method and a new energy automobile, the new energy electronic lock is applied to the new energy automobile, and the new energy electronic lock comprises a driving module used for receiving a locking signal, generating a lock driving signal and driving the electronic lock to be locked through the lock driving signal; and the control unit is connected with a feedback pin of the driving module and is configured to obtain a first driving current in the locking process of the electronic lock and judge the locking state of the electronic lock according to the first driving current, so that a user of the new energy automobile is informed of the locking condition of the charging plug, and the charging plug of the new energy automobile is locked. Virtual connection of the charging plug is avoided, and the charging quality of the new energy automobile is ensured.

The invention relates to a shell part used for multi-phase control of a circuit breaker. The shell part comprises a manual operation rod part (1), a normal close monitoring part (2), a normal open monitoring part (3), a shell (1) and a moving contact part (5). The shell part is applied to the circuit breaker or a switch; multi-phase contacts are distributed in a delta shape, and a spring is addedto the bottom of each contact, so that a contact pressure of each contact and outside is increased; and the normal close and normal open monitoring parts are added to the shell, so that the on or offstate of the circuit breaker or the switch can be monitored in real time.

The invention discloses a novel short-circuit structure of test connection terminals of secondary equipment. The structure comprises bar-shaped short-circuit pins in certain thickness and a terminal row capable of accommodating the short-circuit pins, insulation sleeves are arranged on the short-circuit pins respectively, the two sides of each short-circuit pin are provided with guiding grooves respectively, and the guiding grooves are in parallel with the length direction of the short-circuit pin. The short-circuit structure has the advantages that a plug-in type short-circuit manner is usednewly, and the short-circuit efficiency is improved; the short-circuit pins have a stronger damping effect after being plugged into the terminal row, during use, the short-circuit pins are pressed into the terminal row, it is ensured that the pins are plugged in place, and a secondary loop is prevented from break or false connection; and the tail portions of the short-circuit pins are provided with the insulation sleeves additionally, and the safety of short-circuit operation is ensured.

The invention discloses a high voltage electrostatic oil fume purification device. The high voltage electrostatic oil fume purification device comprises a shell and an electrostatic device arranged in the shell, wherein the electrostatic device comprises an ionization module and a dust collection module; each of the ionization module and the dust collection module comprises a mounting skeleton, high-voltage polar plates, zero polar plates and an energization sheet; the high voltage electrostatic oil fume purification device is characterized in that inserting grooves arranged at intervals are formed in the left side and the right side of the top of each mounting skeleton; the end parts of the high-voltage polar plates and the zero polar plates penetrate through the inserting grooves to be in contact with the energization sheets; limiting grooves extending in the longitudinal direction are formed in the left inner side wall and the right inner side wall of each mounting skeleton; the width of the limiting grooves is consistent with the thickness of the high-voltage polar plates and the zero polar plates; and the parts, corresponding to the limiting grooves, of the two ends of the high-voltage polar plates and the zero polar plates are tightly clamped into the limiting grooves. Since the limiting grooves are formed in the skeletons of the electrostatic device, the polar plates can be effectively clamped tightly, in addition, the consistency of interval differences among the polar plates is guaranteed, and the mounting strength is also enhanced, therefore, the mounting is more reliable.

The invention discloses an electrode plate, an atomizer and an atomization device. The electrode plate comprises an electrode body annularly arranged and at least one elastic connecting arm arranged in the electrode body, one end of the elastic connecting arm is connected with the electrode body, a gap is formed between the other end of the elastic connecting arm and the electrode body and the electrode body protrudes, the electrode body is used for being externally connected with a first contact piece, and the elastic connecting arm is used for making elastic electric contact with a second contact piece. According to the embodiment of the invention, on the one hand, the electrode body is connected with the first contact piece, the contact area is large, the large current can be supported,the advantage of small duty ratio is achieved; and on the other hand, the elastic connecting arm is elastically and electrically contacted with the second contact piece to avoid metal hard connection, so that the reliability of electrical connection can be improved.

The invention provides a high-capacity battery structure, and belongs to the technical field of energy storage batteries, the high-capacity battery structure comprises a plurality of high-capacity battery units connected in series, each high-capacity battery unit comprises a battery cylinder, a positive electrode cover plate arranged at an opening in one side of the battery cylinder and a negative electrode cover plate arranged at an opening in the other side of the battery cylinder, the positive electrode cover plate is a positive electrode column, and the negative electrode cover plate is a negative electrode column. The positive electrode cover plate is a positive electrode column, the negative electrode cover plate is a negative electrode column, a positive electrode connecting strip is arranged on one side, far away from the inner cavity of the battery barrel, of the positive electrode cover plate, and a negative electrode connecting strip is arranged on one side, far away from the inner cavity of the battery barrel, of the negative electrode cover plate. And the positive electrode connecting strips corresponding to the positive electrode cover plates and the negative electrode connecting strips corresponding to the negative electrode cover plates of two adjacent battery cylinders are electrically connected. The positive pole and the positive cover plate are integrated, and the negative pole and the negative cover plate are integrated, so that the positive pole and the negative pole are omitted, materials are saved, and the cost is reduced.

The invention relates to a direct-current power distribution cabinet. The direct-current power distribution cabinet comprises a cabinet body and a cabinet door hinged to the cabinet body; a wiring area and a fusing area are arranged in the cabinet body; a plurality of fuses are fixedly arranged in the fusing area; at least three sets of copper bars are horizontally arranged in the wiring area fromtop to bottom; the copper bars are all parallel to the cabinet door; and distances between the copper bars and the cabinet door are sequentially increased from top to bottom. According to the direct-current power distribution cabinet of the invention, the copper bars can be conveniently connected with external cables, and the dismounting and mounting efficiency of the cables is improved.