121results about How to "Enough safe distance" patented technology

The invention relates to an electric-transmission-line cable-terminal three-dimensional downwards-leading device. The electric-transmission-line cable-terminal three-dimensional downwards-leading device comprises a steel pipe pole and cable terminal platforms arranged at the lateral portions of the steel pipe pole. The steel pipe pole comprises a pole body and multiple layers of cross arms with the inner ends connected with the pole body, the projection of the axes of every three corresponding layers of cross arms on the section of the pole body is not superposed, and every three corresponding layers of cross arms include the upper cross arms, the middle cross arms and the lower cross arms. Each cable terminal platform comprises a cable terminal platform main pole and a cable-terminal-head-arrester installation platform which is installed on the cable terminal platform main pole and vertically corresponds to the outer ends of the corresponding three layers of cross arms, the portions, intersecting with the cable-terminal-head-arrester installation platforms, of electric power lines with the direction changed into the vertically-downward direction through the cross arms are correspondingly connected with one ends of power cables, and the other ends of the power cables are grounded. By means of the electric-transmission-line cable-terminal three-dimensional downwards-leading device, sufficient safe distance can be kept between downleads of an overhead line; in addition, appearance is more coordinated and more attractive, wiring construction is clear and convenient, land can not be excessively occupied, and investment is saved.

The invention discloses an automatic stamping machine, which comprises an upper die assembly and a lower die assembly, the lower die assembly comprises a lower die and a lower die driver, and the lower die driver comprises a turntable assembly and a turntable drive motor. The invention can ensure that an operation position of a stamping operator can be isolated from a stamping position by a turntable, consequently, an enough safe distance exists between the operation position and the stamping position when an upper material and a lower material are stamped, the hands of the operator can be protected from injury when misoperation or a mechanical fault occurs, and thereby safety is high; because an automatic control system controls the stamping process, human intervention is reduced, safety accidents caused by human subjectivity are eliminated, and the working efficiency is increased; because the combined structure of a central disk and an annular bearing platform is provided with buffer springs, the eccentric wear between the central disk, a drive shaft and bearings can be effectively prevented, the transmission of stamping force can be effectively obstructed as well, so that the central disk and the drive assembly thereof can be prevented from being affected by the stamping force, and thereby the service lives of the stamping turntable and the driver thereof can be prolonged.

The invention discloses an automatic active early warning system for highway rescue. The automatic active early warning system comprises an early warning vehicle and a remote control device, wherein the remote control device is connected with the early warning vehicle through wireless signals, the early warning vehicle comprises an underpan, the lower part of the underpan is provided with a plurality of rolling wheels, the rolling wheels are connected with a motor arranged on the underpan, and a control unit is arranged on the underpan and is respectively connected with a power supply, a warning lamp, a warning plate, a distance measurement sensor, an alarm, an automatic parking device, an automatic tracking sensor and a first singlechip wireless transceiver which are arranged on the underpan. The early warning system can warn drivers and rescue people in the first time, the warning effect is obvious, the safety performance is good, the automation degree is high, the operation is simple, and the occurrence of secondary accidents injuring the rescue personnel can be effectively prevented.

The invention relates to a toe guard for an elevator, and particularly provides a telescopic type toe guard. The telescopic type toe guard is mounted at the bottom of a cage, and comprises an upper inner plate and a lower outer plate, wherein the upper inner plate is connected with the lower outer plate through sliding rails; the top of the upper inner plate is fixed on a bottom beam of the cage; the lower outer plate moves up and down along the sliding rails; the telescopic type toe guard further comprises screws; the bottoms of the screws are fixed on the lower outer plate; and the upper parts of the screws are movably arranged on the upper inner plate. According to the telescopic type toe guard provided by the invention, the requirement on the height of a bottom pit is reduced; furthermore, the problem that maintenance personnel or a passenger falls into a shaftway due to the fact that the conventional toe guard is not long enough is solved, the safety of maintenance and loading is improved, an enough safe distance is guaranteed, and the damage to the toe guard due to collision with the bottom pit is avoided; and the toe guard is convenient to mount, and the cost is reduced.

The invention relates to the field of medical apparatuses, and discloses a disposable tubular viscera tying lift apparatus. The lift apparatus comprises a lock fastener, a lift ring and a protective cover. The lock fastener is a key component composed of a tying strap and a locking unit, one side of the tying strap is provided with antislip convex teeth, the other side is provided with length scales, the tying strap surrounds the tubular viscera by a circle, the movable end penetrates the locking unit prior to being tightened, and then the tubular viscera such as the esophagus, intestine and stomach can be tied, blocked, lifted and subjected to length measurement. In laparoscopic surgery, the lock fastener can be used individually, and the lift ring and the protective cover are designed for use in combination for laparotomy operation. The disposable tubular viscera tying lift apparatus is compact, elastic and flexible, and is convenient to use in narrow operation space. Compared with the past common gauze and other instruments, the disposable tubular viscera tying lift apparatus has the advantages that the no-tumor procedure during tumor distal bowel resection in laparoscopic radical rectectomy for rectal cancer is well realized; difficulty in open rectal carcinoma radical operation is lowered greatly; the disposable tubular viscera tying lift apparatus is taken out with specimens to be discarded at the end of operation.

The invention discloses a high-voltage static cooking fume removing device. The high-voltage static cooking fume removing device comprises an insulation shell, an ionization module and a dust collection module, wherein the ionization module and the dust collection module are arranged in the shell and comprise high-voltage polar plates and grounding polar plates, and the high-voltage polar plates and the grounding polar plates are arranged in a crossed manner. The high-voltage static cooking fume removing device is characterized in that the ends of the high-voltage polar plates are bent to form first flanges, and the ends of the grounding polar plates are bent to form second flanges; the high-voltage static cooking fume removing device further comprises a plurality of pressing buckle structures connected with the first flanges and the second flanges at all ends; the pressing buckle structures comprise installation frames and pressing strips, wherein arched insertion strips are arranged on the surfaces, facing the first flanges or the second flanges, of the installation frames, gaps allowing the first flanges or the second flanges to be inserted into are formed between the insertion strips and the surfaces, and insertion holes are formed in the positions, adjacent to the insertion strips, on the installation frames; and pressing connecting pieces are arranged at the positions, corresponding to the insertion holes, on the pressing strips, penetrate the insertion holes and then abut against the back sides of the ends of the high-voltage polar plates or low-voltage polar plates.

The invention discloses a cable terminal pole used for a fracture of a single circuit in a double-circuit same-tower parallel-framed power transmission line. The cable terminal pole comprises a cableterminal pole body, and an upper-layer cross arm structure, a middle-layer cross arm structure and a lower-layer cross arm structure are distributed at the upper part of the cable terminal pole body at intervals from top to bottom; the left side and the right side of the front end of the upper-layer cross arm structure are each connected with a fractured overhead conductor through a strain insulator string; the left sides and the right sides of the front ends of the middle-layer cross arm structure and the lower-layer cross arm structure are also each connected with a fractured overhead conductor through a strain insulator string; and the strain insulator strings are horizontally distributed and are perpendicular to the cable terminal rod body. According to the invention, not only can enough safe distance be kept between drainage wires connected with the overhead conductors, but also when the fracture connection operation of a new line is carried out on one circuit line in a same-towerparallel-framed double-circuit line, the other circuit line does not need to be subjected to power failure processing, so that the safe operation of the cable terminal tower is ensured.

The invention relates to a grab-bucket ship unloader and an operation method thereof. When the grab-bucket ship unloader is used for unloading, the opening limit and the closing limit of a grab bucketare set according to the characteristics of material goods, so that the grab bucket can better grab the material goods; and the hoisting height of the hatch height is set, so that a sufficient safetydistance between the grab bucket and a cabin is kept when the grab bucket is lifted to move to a wharf, and the position of the outside of the cabin and the position of the inside of the cabin are set so that the grab bucket can reliably grab the material goods in the cabin; and after the parameters are set, a control device controls a walking crane and the grab bucket to cycle back and forth according to the set parameters, and then the material goods are released into a storage hopper after the material goods are grabbed from the cabin and conveyed above the storage hopper on the wharf. Therefore, by means of the grab-bucket ship unloader and the operation method thereof, the material goods can be automatically unloaded, and the operation is efficient and reliable.

The invention discloses an electrified fastening antivibrator bolt insulation torsion wrench. The electrified fastening antivibrator bolt insulation torsion wrench comprises a sleeve with an inner hexagonal cavity and insulation discs provided with a handle respectively and used for driving the sleeve to rotate; a ratchet is arranged at the outer surface of the middle of the sleeve; an annular insulation gasket is fixedly sleeved outside the ratchet; the insulation discs are respectively arranged at two sides of the insulation gasket; the insulation discs are of a driving insulation disc and a support insulation disc respectively; the driving insulation disc is hinged to a pawl matched with the ratchet; the driving insulation disc, the support insulation disc, the insulation gasket and the sleeve are movably connected; the handle of each of the driving insulation disc and the support insulation disc is connected with a lengthened insulation arm. The electrified fastening antivibrator bolt insulation torsion wrench can be electrified for operation, multiple inconveniences of a user caused by the power outage operation are avoided, the operation is easy, the safety is high, and the reliable operation of a power system and the personal safety of operation personnel are ensured.

The invention relates to a final-stage passivation method for liquid oxygen kerosene of a carrier rocket. The final-stage passivation method for the liquid oxygen kerosene of the carrier rocket comprises the following steps: installing a main engine passivation electromagnetic valve on a main engine control gas cylinder; firstly, after the final stage of the carrier rocket is separated from a satellite, conducting rocket body attitude adjustment; after rocket body attitude adjustment is completed, conducting maneuvering deorbit; after maneuvering deorbit is completed, discharging a propellant in a liquid oxygen storage tank and a kerosene storage tank through a valve of a main engine; then exhausting and depressurizing a storage tank pressurizing gas cylinder; exhausting and depressurizing a main engine blow-off gas cylinder; controlling gas cylinder exhausting and depressurizing through the main engine, and making an auxiliary power system continuously work to conduct attitude control on the final stage, so as to consume a residual attitude control propellant of the auxiliary power system; and finally, making a rocket-borne battery continuously work to supply power to final-stage electrical equipment, so as to consume residual battery power. According to the final-stage passivation method for the liquid oxygen kerosene of the carrier rocket, final-stage rocket passivation treatment can be achieved by adopting the liquid oxygen kerosene propellant, it is ensured that the final-stage rocket is not disintegrated in orbit and has an enough safety distance from a satellite orbit, and no valves or pipelines need to be additionally arranged on the rocket.

The invention discloses a conducting wire fixer for 10kV live working. The conducting wire fixer comprises two insulating hanging boards, wherein two insulating threaded rods are connected between middle-upper parts of board faces of the two insulating hanging boards in an equal-height and parallel manner, two hanging hooks with inward-opening hanging ports are respectively formed on the insulating hanging boards above the two insulating threaded rods, the top of each hanging hook is arc-shaped, an upper adjusting hole and a lower adjusting hole which are higher than a reinforced concrete pole cross arm and an insulator are reserved in the middle of the lower board face of each insulating hanging board and between the insulating threaded rods, and an insulating support threaded rod is selectively connected into one of the two pairs of mutually-corresponding adjusting holes. The conducting wire fixer for 10kV live working has the advantages that the operation is convenient, the labor intensity is reduced, the work efficiency is increased, an adequate safety distance among phases of conducting wires / between the conducting wires and the ground can be kept, and the live working can be safer.

The invention discloses a code rolling machine conducting code pressing on a workpiece based on an extruding principle and a using method of the code rolling machine and belongs to the technical field of code printing machines. The code rolling machine conducting code pressing on the workpiece based on the extruding principle comprises a reducer, a feeding groove, a frame-shaped support, an electric box and a discharging port and further comprises an inertia flywheel, a steel code and an extruding adjusting mechanism. The circle center of the inertia flywheel and the circle center of an upper belt pulley are located on the same axis, and the inertia flywheel and the upper belt pulley are connected through a rotating shaft and fixed in a bearing A and a bearing B which are arranged on a front beam and a rear beam of the frame-shaped support respectively. A lower belt pulley and the upper belt pulley are in transmission connection through a belt. A discharging port of the feeding groove is right opposite to the peripheral face of the inertia flywheel, an embossed steel code is arranged on the left end face of the steel code, and an extrusion opening is formed between the left end face of the steel code and the peripheral face of the inertia flywheel. The using method of the code rolling machine conducting code pressing on the workpiece based on the extruding principle is simple in operation, high in automation degree and production efficiency, clear in code printing and high in operation safety.

The invention relates to the technical field of 10kV distribution network load operation, in particular to an operating method and device for replacing a 10kV pole-mounted drop-out fuse. A self-extinguishing bypass drop-out fuse is taken as temporary bypass equipment for shunting a drop-out fuse to be replaced in order to fulfill the aim of converting charge, so that the drop-out fuse to be replaced is replaced after exiting from operation. Compared with the prior art, the method has the beneficial effects that (1) the self-extinguishing drop-out fuse is taken as shunting equipment, so that the technical condition for charged replacement of the drop-out fuse is satisfied, and the operation difficulty is lowered; (2) stable connection of the shunting equipment and an electric pole is completed by adopting an insulating lifting bracket, so that enough safety distance can be provided for operating personnel, and the problems of small equipment interval and incapability of mounting the shunting equipment are solved; (3) the method is consistent with the technical characteristics of the national charged operation in China, charged replacement of the drop-out fuse is realized, and economic losses of downstream power utilization enterprises and residents caused by power cut are avoided.

An adjustable supporting bar is mainly used for supporting a high-voltage test wire. The adjustable supporting bar comprises a base, a bar body, and a wire clamp assembly. The base can be adsorbed on an object prepared from steel through magnetic force. The bar body is a telescopic insulating bar, and one end of the bar body is connected with the base through a rotating mechanism and can rotate relative to the base. The wire clamp assembly is arranged at the other end of the bar body, and can rotate relative to the bar body. The adjustable supporting bar provided by the invention is applicable to different working environments, can keep a high-voltage test wire an enough safety distance from the metal shells of test equipment and surrounding equipment, and improves the safety of high-voltage test and the working efficiency.

The invention discloses a crystal bar cutoff method of a multi-stage semiconductor crystal bar cutoff machine. The crystal bar cutoff method comprises the steps that S1, a feeding device is used for transferring a semiconductor crystal bar to be cut onto a feeding platform of a material conveying device, and the feeding platform feeds the semiconductor crystal bar to a cutting platform and enablesthe semiconductor crystal bar to fall onto the cutting platform; S2, an aligning device adjusts the level condition of the center axis of the semiconductor crystal bar on the cutting platform; S3, the semiconductor crystal bar is subjected to cutting and sampling operation in cutoff positions in multiple cutting modes; and S4, cutoff crystal bar sections are fed into a discharging platform from the cutting platform in sequence and finally discharged from the discharging platform into a transfer device. Through cooperation of the above method and the multi-stage semiconductor crystal bar cutoff machine, the problems that the cutting functionality is single in the crystal bar section cutoff process, the perpendicularity of the cutoff end face to the center axis of crystal bar sections is poor, the sampling efficiency is low and the crystal bar sections are damaged easily in the conveying process in the prior art are effectively solved.

The invention discloses a compact-circuit six-bundled conductor linkage plate fixture and application thereof. The compact-circuit six-bundled conductor linkage plate fixture comprises two insulated suspending rods in matched connection with wire lifting devices. One end of each insulated suspending rod is connected with the wire lifting device, and the other end of the insulated suspending rod is connected with a connecting end of the linkage plate fixture. The middle of the linkage plate fixture is provide with a clamp slot which is matched with a six linkage plate and which sleeves a center ring of the six linkage plate, accordingly forming a tool integrally changing a compact circuit insulator chain. The compact-circuit six-bundled conductor linkage plate fixture has the advantages that bearing capacity is high, size is small, and structure is simple; in case of power-off / on of the compact circuit, the insulator chain is changed; during operation, labor intensity and safety risk factors are reduced for the operators.

The invention relates to the field of electric power system middle-high voltage power transmission and distribution, and specifically relates to an outdoor integrated intelligent combined electric appliance. Aimed at a high-voltage switchgear and a control device in an existing power distribution system, a brand new structural style is used to replace a plurality of original devices of a pole-mounting type distribution unit area, that is, electric appliance devices (a load switches, a grounding switch, fuses, a lightning arrester) on a high-voltage side are designed in an integrated manner. All-insulation, full-sealing, and all-shielding technologies are used, and protection on a distribution transformer and a circuit is realized through the load switch, the fuse, the lightning arrester, and other functional assemblies. The combined electric appliance uses design of outdoor three-position load switch, and the load switch and the grounding switch are integrated, and current-limiting fuses are added for protection. The load switch uses SF6 gas to extinguish arc. The air chamber of the load switch is a closed part made of stainless steel. A fuse cabin is a closed part made of an epoxy resin material. Thus, the combined electric appliance has good sealing effect.

The invention discloses a live working phase spacing control device on an equipotential wire. The live working phase spacing control device comprises a wire fixing device and an insulation ruler which are connected, wherein the wire fixing device comprises an insulation yoke plate and two wire fixing grooves which are detachably formed in the insulation yoke plate and are used for fixing a sub-busbar of a lower wire; each wire fixing groove comprises a mounting base, a pulley and a self-locking protection key; the pulley is arranged in the mounting base in a rotating manner; the self-locking protection key is detachably mounted on the mounting base and used for preventing a wire from falling; the insulation ruler is provided with scales for marking length. When an operator walks on the wire by using the live working phase spacing control device, the lower wire of the wire, on which the operator walks, changes according to the sag change of the wire on which the operator walks, can guarantee a sufficient safety distance between the operator and the lower wire, and is simple and convenient to use and safe to operate, and meanwhile, as the self-locking protection key is arranged on the mounting base, the sub-busbar of the lower wire can be effectively locked, the wire is prevented from falling when the device moves, thus the device is safe and reliable.

The invention discloses terminal machining equipment capable of achieving rapid alignment. The terminal machining equipment comprises a bottom plate, wherein a vertical plate is fixedly arranged on the rear side of the upper end of the bottom plate; a driving device one and a machine box are fixedly arranged at the upper end of the bottom plate correspondingly, the driving device one is located in front of the machine box, and a fixing device is fixedly arranged at the upper end of the driving device one; a driving device two and an alignment device are arranged at the upper end of the machine box correspondingly, the lower end of the alignment device is fixedly connected with the lower end of the machine box, and the right end of the driving device two is fixedly connected with the upper portion of the machine box; and a transverse plate is fixedly arranged on the upper side of the front end of the vertical plate, a machined piece penetrates through the middle portion of the transverse plate, and a pressing end head is fixedly arranged at the lower end of the machined piece. According to the terminal machining equipment capable of achieving rapid alignment, rapid alignment operation can be achieved, the terminal machining quality can be guaranteed, the enough safety distance can be guaranteed, and the operation safety of workers can be guaranteed; and in addition, the alignment device can be stored, and the service life of the machining equipment can be prolonged.

The invention discloses an auxiliary tool general for a one-time nuclear phase of a switch cabinet. The tool comprises rollers, two insulation blocks, a connecting rod and a push-pull structure. The two insulation blocks are arranged in parallel and perpendicularly connected with the two ends of the connecting rod respectively, a rotating shaft is arranged at the lower portion of each insulation block, the rollers are connected with the insulation blocks through the rotating shafts, the axis of the rotating shafts is parallel to the axis of a connecting rod assembly, a gear pulley positioningblock is connected to the outer side of the upper portion of each insulation block, a gear pulley is matched with the gear pulley positioning block, the axial positions of the insulation blocks on theconnecting rod are adjustable, the push-pull structure is connected with the connecting rod at the middle of the axial direction of the connecting rod. Due to the fact that the axial positions of theinsulation blocks on a screw are adjustable, it is ensured that the position of the gear pulley positioning block is adjustable, the width between opening top plates on the two sides of the tool is continuously adjustable, the tool can adapt to switch cabinets of different types, the safe and efficient one-time nuclear phase is achieved, and the tool is convenient to assemble, disassemble, use and store, and convenient to carry and transport.

This invention relates to a method of non-contact detection and identification of the type of different substances and mixtures as well as determining their characteristics as concentration, hardness, etc. The method comprises irradiation of the inspected object by a wave pulse or a series of such pulses; reception (1), amplification (2) and analogue-to-digital conversion (3) of the signal, formation of output detailing wavelet coefficients and output approximating wavelet coefficients by means of fast discrete wavelet transformation of the digitized signal, by means of Mallat's pyramidal algorithm and orthogonal base functions, filtering (7) of the output approximating and detailing wavelet coefficients up to preselected ones, comparison of the filtered approximating and / or detailing wavelet coefficients, in the capacity of recognition attributes with preselected respective reference coefficients by the classifying device (8), and according to the comparison result the presence and type is determined and / or the studied characteristics of the inspected object is determined.

The invention discloses an energy supply device for an implantable sensor and a receiving device of the implantable sensor. The energy supply device consists of a signal source and a centrosymmetric decagonal transmitting coil, wherein the signal source is connected with the centrosymmetric decagonal transmitting coil in a wired manner and is a signal generator or a radio frequency amplifier; and a high-frequency signal generated by the signal source is loaded to the centrosymmetric decagonal transmitting coil in a wired manner, and then is transmitted to a patient wearing the receiving device of the implantable sensor in a magnetic resonance type wireless electric energy transmission mode. According to the energy supply device, energy can be provided for the receiving devices of twenty implantable sensors once; the receiving device consists of a receiving coil, a signal conditioning and rectifying circuit, a sensor part, a transmitting antenna and a biological shell; the receiving coil in the shell is hinged with the shell via a shaft and can rotate around the shaft; and when in work, the energy supply device is passively kept parallel to the transmitting coil since the receiving coil interacts with the centrosymmetric decagonal transmitting coil due to a produced magnetic field, so that maximum receiving efficiency is guaranteed.

The invention relates to the technical field of electric maintenance equipment, and provides a 0.4KV-based power failure-free operation device and method. The 0.4KV-based power failure-free operationdevice comprises an insulating total-shielding tool and a set of operation tool, wherein the insulating total-shielding tool is used for shielding a switch part of a switch cabinet, a feeder line below the switch and to-be-shielded parts in metal grounding bodies on four walls of the switch cabinet; and the set of operation tool is used for fastening a nut at the rear side of the switch and controlling the switch to be replaced after the shielding of the insulating total-shielding tool is finished, so as to realize the insulating total shielding of contactable electrified parts and grounding parts in the switch cabinet by a single person, ensure that the operators do not suffer accidents of mistakenly contacting the electrified bodies when carrying out power failure-free operation, avoid single-phase grounding and inter-phase short circuit accidents, ensure that enough safety distances are kept between the operators and the electrified bodies, enhance the safety of the low-voltage power failure-free operation and ensure the safe and reliable development of the operation.

The invention relates to a portable SF6 device gas leakage and abnormality voice recognition warning device and belongs to the technical field of power industries. A power switch is arranged on an outer shell, an acquisition sensor is arranged at the top end of the outer shell, a circuit board is arranged at the upper portion inside the outer shell, and a battery clamp is arranged at the lower portion of the circuit board; a voice chip, voice output, a power supply, a first digital to analog conversion device, a central processing unit and a second digital to analog conversion device are arranged on the circuit board; the acquisition sensor, the voice chip, the power supply, the first digital to analog conversion device and the second digital to analog conversion device are all connected with the central processing unit, and the voice output is connected with the voice chip and a buzzer. The portable SF6 device gas leakage and abnormality voice recognition warning device plays a role in compensating operation dead corners of the device and a role in warning, and is simple in structure and flexible and convenient to use. Scale values under different working environment conditions can be set, an alarm is given to staff in a working site so that the staff can make an accurate judgment and keep a safe enough distance from the working environment, and personal safety and safe operations of the device are ensured.

The invention relates to a safe separation mechanism used for a missile electrical connecting piece. The safe separation mechanism comprises a mounting base and a guiding plate; separated tracks are formed in the guiding plate; fastening parts are arranged on the two sides of the mounting base; and the fastening parts are glidingly connected with the separated tracks. By adoption of the technical scheme provided by the invention, in the storage or transportation process of a ballistic missile, the electrical connecting piece is reliably connected with the mounting base; when the ballistic missile launches, the electrical connecting piece is separated from the mounting base quickly, reliably and automatically; meanwhile, ablation of the electrical connecting piece by hot air flow can be avoided, and enough safe distance is kept between the electrical connecting piece and the ballistic missile, so that launching of the ballistic missile is not affected; and the safe separation mechanism has the advantages of convenience in assembling, simple and convenient operation, simple structure, high reliability, low manufacturing cost and the like, and can be widely applicable to transverse electrical separation mechanisms of various kinds of launching boxes or launching cylinders.

The invention discloses a structure and a method for eliminating residual magnetic moment of a solar cell array for space, and belongs to the technical field of satellite power supplies. The structure comprises a solar cell array distribution circuit and a solar cell array leading-out circuit, wherein the solar cell array distribution circuit is composed of a solar cell module A and a solar cell module B which are pasted on a solar cell panel, the solar cell module A and the solar cell module B form M-string N-parallel solar cells through CIC solar cells, interconnection sheets, positive electrode bus bars and negative electrode bus bars, the solar cell array leading-out circuit is composed of a solar cell module A leading-out circuit and a solar cell module B leading-out circuit, and the solar cell module A leading-out circuit and the solar cell module B leading-out circuit are each composed of N positive electrode leading-out wires, N negative electrode leading-out wires and tin soldering points. According to the invention, the residual magnetic moment is eliminated through the front and back loops while the inter-string voltage difference in the unit circuit can be eliminated, so that the possibility of electrostatic discharge failure in the unit circuit is fundamentally eradicated.

The invention relates to electrical equipment, and provides an interlocking device for a breaker handcart for avoiding the potential safety hazards when locking operation is carried out on the JYN2-10 type breaker handcart used at present. The interlocking device for the breaker handcart is safe, reliable, and flexible and convenient to operate, and comprises an interlocking bar. Threads are arranged at the lower end of the interlocking bar, the interlocking bar penetrates through a supporting plate on the lower portion of the handcart and is fixed through a nut, the upper end of the interlocking bar penetrates through a cover plate on the top of the handcart, and the interlocking bar is sleeved with a spring. One end of the spring abuts against the supporting plate, and the other end of the spring abuts against a spring clamping plate on the interlocking bar. The interlocking device for the breaker handcart is characterized in that an interlocking operation bar perpendicular to the interlocking bar is fixed to the interlocking bar and arranged on the upper portion of the spring clamping plate on the interlocking bar and transversely extends out of the operation opening of the breaker handcart. The interlocking device for the breaker handcart is simple in structure, safe, reliable and convenient to operate, and can be widely applied to the improvement of the JYN2-10 type breaker handcart used at present and produced long time ago.