23results about How to "Avoid false connection" patented technology

The invention discloses a cable installation junction box, and relates to the field of cable wiring. Comprising a box body, a cover plate located at the top of the box body, a terminal located in the box body, an insertion hole located in the outer side face of the terminal, a threading hole located in the outer side of the box body, a guide pipe located on the periphery of the threading hole and a main magnet located on the outer side of the terminal, and the auxiliary mechanism comprises an insertion pipe arranged in the threading hole. A control piece is arranged on the inner side of one end of the insertion pipe. The clamping piece and the magnetic piece are respectively driven by the transmission piece, the clamping piece, the magnetic piece and the traction piece can be synchronously controlled by rotating the control piece, cables with different diameters can be clamped and released, meanwhile, the cables can be automatically inserted and pulled out, the adaptation degree of the junction box and the different cables is improved, and the reliability of the junction box is improved. Meanwhile, virtual connection between the cable and the junction box can be avoided under the assistance of magnetic force, and subsequent stable transmission and use of the cable are ensured.

The present invention relates to the technical field of high-protection energy storage battery modules, and discloses a high-protection energy storage battery module and a method of using the same, including a protective shell, the square of which is fixedly connected with a plurality of supporting legs. In the present invention, by setting a lifting and heat dissipation mechanism, the side guard plate drives a plurality of push-pull plates to slide along the sliding groove at the bottom of the protective shell to the inside of the protective shell, and the push-pull plate drives the bottom lifting plate to slide to the inside of the protective shell. When the lifting plate contacts and squeezes the wedge-shaped extrusion block, the lifting plate is squeezed by the wedge-shaped extrusion block and rotates upward along the rotating rod. At this time, the lifting plate drives a plurality of battery modules above the lifting plate to move upward. This arrangement is conducive to increasing the space between the bottom of the plurality of battery modules and the inner wall of the bottom of the protective shell on the one hand, and reducing the air intake resistance of the air intake slot on the other hand, increasing the air intake volume of the air intake slot, thereby enhancing the heat dissipation effect at the bottom of the battery module.

A busbar electric connecting wire clamp comprises a wire clamp body and clamping plates, the clamping plates are fixedly connected to the lower portions of the two sides of the wire clamp body through first bolt pairs, a groove is formed in the lower end face of the wire clamp body in the line direction, an elastic contact piece is fixed in the groove, and the lower end face of the elastic contact piece protrudes out of the groove; the wire clamp body is arranged above the busbar, the wire clamp body is clamped and fixed on the top of the busbar through the clamping plate, and the lower end face of the elastic contact piece abuts against the top of the busbar.

The invention relates to an electric field assisted optical tweezer chip and a clamping tool thereof.The optical tweezer chip comprises an upper glass plate and a lower glass plate which are stacked and plated with conducting layers, and the clamping tool fixes the parallel plate optical tweezer chip composed of the upper glass and the lower glass through a base, a PCB chip board and an upper cover plate; an external electric field is connected with the PCB interface board and the PCB chip board through the signal generator to be transmitted to the optical tweezer chip, and when an alternating electric field is applied to the optical tweezer chip, the stability of the electric field and the precision of particle operation in the optical tweezer operation process can be improved; according to the clamp, the repeatability of the optical tweezer chip in micro-nano operation is improved, the damage to the chip and a sample caused by misoperation is reduced, and the operation view field range and the operation convenience are optimized.

The utility model discloses a wiring terminal block with a fool-proof function, which relates to the technical field of power connection terminal blocks, and comprises a terminal block main body and a cable, one side of the interior of the terminal block main body is connected with an abutting plate, a second spring is connected between the abutting plate and the terminal block main body, the interior of the terminal block main body is connected with a pressing table, and the pressing table is connected with the cable. A first spring is connected between the pressing table and the terminal block main body, and the top of the pressing table is connected with an operating rod. According to the utility model, through the arrangement of the abutting plate and the second spring, the cold-pressed terminal is inserted into the terminal block main body, the cold-pressed terminal abuts against the abutting plate, the abutting plate goes deep into the terminal block main body to compress the second spring along with the insertion of the cold-pressed terminal, and when the abutting plate and the pressing table are staggered, the pressing table corresponds to the cold-pressed terminal. At the moment, the cold-pressed terminal can be limited through the pressing table, and if the cable is not pushed to a designated position, the abutting plate moves leftwards to eject the cable through the tension of the second spring; and potential safety hazards caused by virtual connection and heating of the cable in the terminal block main body are avoided.

The application provides a double-sided automatic spot welding machine for robot manufacturing, and relates to the technical field of battery spot welding equipment. The double-sided automatic spot welding machine comprises a welding mounting piece, two spot welding connecting pieces are mounted in the welding mounting piece, the two spot welding connecting pieces are symmetrically mounted, a clamping positioning piece is mounted in the welding mounting piece, the clamping positioning piece is located between the two spot welding connecting pieces, a spot welding device is mounted on each of the two spot welding connecting pieces, a cooling stop piece is mounted on each of the two spot welding devices, and a wear self-checking part is mounted on each of the two spot welding connecting pieces. The spot welding device can automatically polish the end of the welding needle to prevent the end of the welding needle from being continuously thickened by an oxidation layer and affecting the welding quality when the welding needle is extruded and attached to the battery terminal. The double-sided automatic spot welding machine can automatically polish and prevent false connection, and the oxidation layer is easy to be generated after long-term use of the welding needle. The polishing and cleaning period is short.

This utility model discloses a manual / automatic triggering device, including a device body, a manual operating mechanism, and an automatic trigger. The manual operating mechanism includes a movable contact component and an operating end. The device body includes a limiting window and a slider. The slider is placed in the limiting window. The movable contact component and the operating end are connected by the slider. When the operating end slides, it causes the movable contact component to contact the automatic trigger, and the automatic trigger is activated. When the operating end slides, it causes the movable contact component to separate from the automatic trigger, and the automatic trigger is deactivated. The limiting window limits the slider, allowing the movable contact component to continuously trigger the automatic trigger.

The present invention discloses an LED lamp bead for a physiotherapy lamp, which belongs to the technical field of semiconductor electrical components. The LED lamp bead for a physiotherapy lamp includes a packaging structure and two light-emitting chips. The two light-emitting chips are connected in series with a negative electrode sheet and a positive electrode sheet through a gold wire. A lens is provided at the packaging structure corresponding to the light-emitting chip. A pin is built into the packaging structure. The negative electrode sheet, the positive electrode sheet and the pin are respectively provided with welding blocks fixedly connected to the gold wire and the light-emitting chip. The present invention provides pins and welding blocks. When the gold wire supplies power to the light-emitting chip, the light-emitting chip is mounted on the pins. The slit of the pins is located at the positive and negative electrodes of the light-emitting chip. The gold wire is clamped in the slit. A welding block is provided at the slit position. After the welding block is melted, it contacts the gold wire and the light-emitting chip. After the welding block is solidified, the light-emitting chip is riveted to the pin, thereby improving the mechanical strength and heat dissipation capacity of the welding point between the gold wire and the light-emitting chip.

This utility model discloses a wiring mechanism for an axial flux motor, including a box side plate. A top cover plate is fixedly connected to the top of the box side plate, and an upper end cover is fixedly connected to one side of the outer surface of the top cover plate. Multiple waterproof metal glands are fixedly installed on one side of the outer surface of the upper end cover. An upper terminal block and a lower terminal block are fixedly installed inside the box side plate. In this utility model, through the upper terminal block, shaped copper busbar, lower terminal block, and waterproof metal glands, the high-voltage wiring harness is connected to the motor through the waterproof metal glands. When installing the high-voltage wiring harness, it is not necessary to open the junction box cover plate, avoiding the risk of water leakage due to improper installation of the junction box cover plate and the risk of accidentally dropping the flange nut into the motor when opening the junction box cover plate to install it. This method of installing the high-voltage wiring harness also improves assembly efficiency and avoids poor contact and intermittent connections caused by improper assembly.

The invention relates to the field of photovoltaic packaging adhesive films, and discloses a special composite adhesive film for a main-grid-free photovoltaic module as well as a preparation method and application of the special composite adhesive film. The composite adhesive film sequentially comprises an adhesive film layer, an isolating layer and a bonding layer which is attached to a welding strip and a battery piece in the photovoltaic module from top to bottom, the peripheral edge of the adhesive film layer is attached to the peripheral edge of the bonding layer to wrap the periphery of the isolating layer; the raw materials of the isolation layer comprise a photosensitive resin prepolymer and a photoinitiator; the raw materials of the bonding layer comprise matrix resin and an amphiphilic polymer; and the melt flow rate of the isolating layer after photocuring is smaller than that of the bonding layer. According to the invention, the bonding strength between the composite adhesive film and the battery piece is relatively high while the composite adhesive film is prevented from permeating between the welding strip and the auxiliary grid during lamination, and the composite adhesive film can be prepared by adopting a three-layer co-extrusion molding preparation method and is relatively simple, convenient and efficient during use.

The utility model discloses a kind of patch component testing tool, patch component testing tool includes: base, insulating positioning block for placing the component to be tested is equipped on base;Pin testing assembly, including the first pin and second pin of elastic telescopic, first pin, second pin are located on base and respectively at the both sides of insulating positioning block, first pin is used to with the electrode surface elastic pressure of one end of component to be tested, second pin is used to with the electrode surface elastic pressure of the other end of component to be tested;Adjusting assembly, it is connected first pin and is located on base, for driving first pin close to or away from second pin.The patch component testing tool of the application can effectively improve test stability, reduce component damage, and test result accuracy is higher.

The utility model belongs to the technical field of touch modules, in particular to a line oxidation prevention touch module, which comprises a first touch module, a second touch module and a flexible circuit board connected between the first touch module and the second touch module, and further comprises a reinforcing mechanism, the two flexible safe edges are symmetrically fixed to the two sides of the flexible circuit board, and the two ends of each flexible safe edge are fixedly connected with the first touch module and the second touch module respectively. The plurality of limiting stop blocks are fixed on the bottom surface of the flexible safe edge and are used for supporting the flexible circuit board; according to the touch module, the flexible circuit board is protected through the arranged reinforcing mechanism, the problem of virtual connection of the flexible circuit board caused by shaking in the processing and assembling process of the touch module is avoided, the safety is improved, the reinforcing mechanism is a flexible safe edge made of silica gel, the stability is improved, and meanwhile, the flexible circuit board is prevented from being damaged. And the folding use of the flexible circuit board is not influenced.

The application relates to the technical field of power transformers, and particularly discloses a power transformer iron core grounding structure which comprises a transformer main body, an iron core fixedly connected to the outer wall of the transformer main body, and a grounding wire fixedly connected to the end of the iron core; a ground drilling mechanism, which is located at the end of the grounding wire and can drive the grounding wire to drill into the ground; and a locking mechanism, which is located at the periphery of the grounding wire and can lock the grounding wire when the ground drilling mechanism drills the ground. When the application is used, whether the end of the grounding wire is inserted into the ground can be judged through a photosensitive sensor, the grounding wire is drilled into the ground through the ground drilling mechanism, the grounding wire is connected with the ground, the grounding position of the grounding wire is locked through the locking mechanism of the ground drilling mechanism, the virtual connection of the grounding wire is avoided, and the iron core of the transformer main body is connected with the ground.

The utility model discloses an electronic lock control circuit of a charging seat, which comprises a vehicle end system connection module, an electronic lock locking driving module, an electronic lock unlocking driving module, an electronic lock motor execution module and a lock state feedback module, the vehicle end system connecting module receives a driving power supply signal from a vehicle control end and then outputs the driving power supply signal to the electronic lock locking driving module and the electronic lock unlocking driving module; when the driving power supply signal is a locking signal, the electronic lock locking driving module is switched on, the electronic lock unlocking driving module is switched off, and the electronic lock motor execution module acts to lock the electronic lock; when the driving power supply signal is an unlocking signal, the electronic lock unlocking driving module is switched on, the electronic lock locking driving module is switched off, and the electronic lock motor execution module acts reversely to unlock the electronic lock; and the vehicle control end judges the on-off state of the electronic lock according to the change of the recovery signal received by the lock state feedback module. Therefore, the unlocking or locking state of the electronic lock can be fed back to the vehicle control end in time.

The present invention discloses an electrode sheet, an atomizer and an atomizing device, wherein the electrode sheet comprises: an electrode body arranged in a ring shape, and at least one elastic connecting arm arranged in the electrode body, one end of the elastic connecting arm is connected to the electrode body, a gap is formed between the other end of the elastic connecting arm and the electrode body and protrudes from the electrode body, the electrode body is used to externally connect a first contact member, and the elastic connecting arm is used to elastically electrically contact with a second contact member. In an embodiment of the present invention, on the one hand, the electrode body is connected to the first contact member, the contact area is large, it can support a large current, and has the advantage of small space occupation, and on the other hand, the elastic connecting arm is elastically electrically contacted with the second contact member to avoid hard metal connection, so that the reliability of the electrical connection can be improved.

The fixing device comprises an air conditioner outdoor unit body, one side of the air conditioner outdoor unit body is fixedly communicated with a cable, one side of the air conditioner outdoor unit body is fixedly connected with a hollow column, one side of the inner wall of the hollow column is provided with a limiting opening, the top of the inner wall of the hollow column is provided with a moving assembly, and the moving assembly is fixedly connected with the cable. Two first mounting plates are arranged on one side of the moving assembly and located outside the hollow column, and a plurality of sets of springs are fixedly connected to one side of the inner wall of each first mounting plate. According to the utility model, through cooperative use of the limiting port, the moving assembly, the mounting plate I, the spring, the clamping plates, the driving assembly and other structures, the tail end of the cable can be clamped and fixed by the two clamping plates, so that the phenomenon that the connection between the cable head of the cable and the electric appliance element of the air conditioner outdoor unit is loosened or even separated due to external factors of the air conditioner outdoor unit is prevented; the phenomenon of virtual connection of the cable is avoided, the use safety of the air conditioner outdoor unit is improved, and normal work of the air conditioner is guaranteed.

The present invention provides a legged robot system and method, including a charging unit and a heat dissipation unit; the heat unit includes: a water-cooling heat dissipation mechanism and a side shell fan heat dissipation mechanism; the water-cooling heat dissipation mechanism includes: a water-cooling pump and a water-cooling fan, the water-cooling fan is located inside the cavity of the footed robot to dissipate the heat of the motor inside the cavity, and the water-cooling pump located inside the cavity of the footed robot is used to communicate with the water-cooling fan; the side shell fan heat dissipation mechanism includes: at least one cavity side shell fan located on the cavity side shell for dissipating the heat of the cavity side shell components, the motor inside the cavity and the front motor; the present invention realizes active safety protection of the footed robot, precise and stable active or passive charging, multi-directional active and passive safety heat dissipation and precise ground contact detection, effectively improves the work efficiency of the footed robot, and ensures the safe and stable operation of the footed robot.

The invention relates to a high-voltage silicon stack intermittent power-on endurance test device, which comprises a human-computer interface, a controller, a temperature module, a constant current source module and a silicon stack mounting seat, and is characterized in that the controller is electrically connected with the human-computer interface, the controller is electrically connected with the constant current source module, the constant current source module is electrically connected with the silicon stack mounting seat, and the temperature module is electrically connected with the controller; the high-voltage silicon stack is mounted on the silicon stack mounting seat, and the temperature module is connected to the high-voltage silicon stack through thermocouple monitoring. The device has the advantages that the controller is controlled by a PLC program, and automation of the control process is achieved; a human-computer interface is adopted, so that parameter setting is convenient, data are digitized, and reading, recording and storage are facilitated; the constant current source provides stable test current to ensure that test parameters are reliable and accurate; the sensing capability of the temperature module to the junction temperature of the chip and the control of temperature measurement, the lowest temperature and the highest temperature are stable; the silicon stack mounting seat is reasonable in structural design, ensures that the lead of the high-voltage silicon stack is quickly clamped and disassembled and is stably clamped, and prevents the problem of virtual connection in a test.

The utility model relates to the technical field of batteries, and discloses a battery cell assembly and a battery pack, the battery cell assembly comprises at least two single battery cells, each single battery cell comprises a battery cell body, and a first pole and a second pole which are arranged on at least one side surface of the battery cell body; one of the first pole and the second pole is sunken to form a groove part, the other one partially protrudes to form a convex part, and the groove part is matched with the convex part in an inserting manner so as to connect two adjacent single battery cells. According to the battery cell assembly provided by the utility model, one of the first pole and the second pole is sunken to form the groove part, the other one partially protrudes to form the protruding part, and the groove part is matched with the protruding part in an inserting manner, so that two adjacent single battery cells can be connected, a connecting sheet does not need to be independently arranged, the number of parts is reduced, and the cost is reduced. The structure complexity of the battery is reduced, two adjacent single battery cells can be connected more tightly, the weight of the battery module is reduced, and the energy density is improved.

The embodiment of the invention relates to the photovoltaic field, and provides a preparation method of a photovoltaic module and the photovoltaic module, and the preparation method comprises the steps: providing at least two battery pieces and a plurality of welding strips, placing the welding strips in preset areas of the battery pieces, and enabling the parts, located in the preset areas, of the battery pieces to be provided with conductive parts; a pre-bonding film is provided, the side, facing the battery piece, of the pre-bonding film is provided with a plurality of positioning grooves, and each welding strip at least corresponds to one positioning groove; covering one side, far away from the battery piece, of the welding strip with a pre-bonding film, wherein at least part of the welding strip is accommodated in the positioning groove; a pressing plate is provided, the pressing plate is arranged on the side, away from the battery pieces, of the pre-bonding film, the welding strip is bonded to the preset area through the pre-bonding film through the pressing plate, and the multiple battery pieces are connected into a to-be-welded battery string; the to-be-welded battery string is sent to a laminating stage, and the laminating temperature is larger than or equal to the melting point of the outer layer of the welding strip, so that alloying of the welding strip and the conductive part is achieved. The embodiment of the invention is at least beneficial to reducing the risk of warping of the battery piece while avoiding the deviation of the welding strip.

The invention provides a safety charging gun for a charging pile, and relates to the technical field of charging guns for charging piles, the safety charging gun comprises a charging gun part, and the charging gun part is provided with five AC grounding terminal pieces; the five AC grounding terminal pieces have the same structure. The five AC grounding terminal pieces are respectively provided with a protective cleaning piece. The five protective cleaning pieces are respectively used for cleaning five alternating current grounding terminal pieces; the five AC grounding terminal pieces are respectively provided with a circle of detection spring piece. The device can be used for expanding and cleaning the charging seat power connection elastic piece and can automatically contract, the situation that the charging seat power connection elastic piece is extruded and damaged and virtual connection of the charging seat power connection elastic piece is caused is avoided, the state of a charging gun is conveniently detected, and use safety is guaranteed. The problems that the power connection quality of a safety charging gun for a current charging pile and a power connection elastic piece of a charging base needs to depend on a vehicle for electrical detection, virtual connection and other conditions are not convenient to directly detect when power is not on, and potential safety hazards exist are solved.

The application relates to the technical field of large-current electric contact connection, and discloses a combined large-current contact quick-mounting and contact anti-loosening stability method, which comprises an insulating base, and further comprises a combined conductive contact unit, a radial spring mechanism, an equal-resistance current-distribution copper bar, a contact consistency calibration structure and a foolproof and mistake-proof mounting structure which are mounted on the insulating base 1; the combined large-current contact quick-mounting is provided by using the insulating base and the foolproof and mistake-proof mounting structure, is integrally formed by using high-strength flame-retardant insulating materials, is stable in structure, reliable in insulation, sufficient in creepage distance, can bear and isolate various conductive components, and can avoid the risk of electric leakage and short circuit; standardized mounting grooves are reserved on the base, accurate positioning references are provided for various components, and assembly consistency is ensured; meanwhile, the combined large-current contact quick-mounting has vibration resistance and aging resistance, is suitable for long-term operation conditions of heavy-load AGV and AMR, and significantly improves overall safety and service life.

The invention discloses a circuit protection mechanism with power cut-off early warning, comprising a power receiving device, the power receiving device comprising a wiring board, a cover plate, a conductive plate and a spring, which is used for connecting to a power source and preventing virtual connection of a line; a leakage protection device comprising an induction coil, a spring, a mounting plate, a second contact piece, an armature and an electromagnet, which can cut off the circuit for protection when leakage and undervoltage occur in the circuit; a self-locking device comprising an electromagnetic coil, a moving rod, an insulating plate, a limit plate, an indicator plate, a step-down capacitor, a voltage stabilizer, a withstand capacitor and a button switch, which can cut off the circuit when leakage and power failure occur in the circuit, so as to prevent safety hazards caused by power resumption.