38results about How to "Realize series and parallel connection" patented technology

The invention relates to a non-sealing solid oxide fuel battery pack with double gas channels, belonging to the field of electrochemical power generation. The non-sealing solid oxide fuel battery pack solves the problems that single batteries in a conventional single gas-chamber solid oxide fuel battery pack have nonuniform gas atmosphere, which affects the output voltage and output power of the battery pack. The battery pack is formed by connecting a plurality of single batteries in series or in parallel through connecting sheets, wherein a fuel-enriched vent pipe and an oxygen-enriched ventpipe are arranged relatively in parallel, the battery pack is arranged between the fuel-enriched vent pipe and the oxygen-enrich vent pipe, a plurality of fuel ports are arranged on the lateral wall of the fuel-enriched vent pipe with equal intervals, a plurality of oxygen ports are arranged on the lateral wall of the oxygen-enriched vent pipe with equal intervals, each fuel port corresponds to an anode of the single battery, each oxygen port corresponds to a cathode of the single battery, the anode and the cathode of the battery pack are respectively led out through an anode lead wire and a cathode lead wire, fuel-enrich gas is filled in the fuel-enriched vent pipe, and oxygen-enrich gas is filled in the oxygen-enriched vent pipe. The invention is mainly applicable to power generation.

The invention discloses an automobile battery pack capable of enhancing thermal management safety based on nested lithium ion batteries. The battery pack comprises an insulating shell, K insulating positioning connecting plates are arranged in the insulating shell along the vertical direction, and M rows and N columns of nested lithium ion batteries are arranged on each layer of positioning connecting plate to form battery pack units; each battery pack unit can independently output and can also be connected in series or in parallel to form a battery pack for output; the nested lithium ion battery comprises a metal shell and a battery cell filling the shell, the shell comprises an inner cylinder and an outer cylinder, the inner cylinder is located in a through hole in the center of the outer cylinder, and a gap exists between the side wall of the inner cylinder and the secondary outer wall of the outer cylinder. The battery cell comprises an outer battery cell and an inner battery cell.Based on the characteristics of the nested lithium ion battery, through reasonable heat pipe design, air duct design and grouping scheme, the internal thermal management performance of the battery pack is enhanced, the temperature of each battery can be detected on the premise of controlling the number of temperature sensors as much as possible, and the reliability and fineness of temperature monitoring are improved.

An LED dot matrix display and a combined dot matrix display. The dot matrix display comprises a heat dissipation submount (1), a PCB (2), LED light emitting units that are arranged uniformly, an imaging controller, a layout circuit conductive layer, and a plastic board (4). The LED light emitting units each comprise more than one LED chip (5), a wire used for electrically connecting the LED chips (5) and the layout circuit conductive layer, and a transmissive package colloid (3) used for packaging the LED chips (5). An external sidewall (13) of a closed chamber (24) for sealing the plastic board (4) and the heat dissipation submount (1) is arranged between the plastic board (4) and the heat dissipation submount (1), the plastic board (4) being used for forming the transmissive package colloid (3) that packages the LED chips. The heat dissipation submount (1), the external sidewall (13) of the closed chamber (24) and the plastic board (4) form the closed chamber, and the PCB board (2) is accommodated in the closed chamber (24). The heat dissipation submount (1), the plastic board (4), and the transmissive package colloid (3) are in direct contact with the external air. The dot matrix display constituted in this way has a simple structure, a low cost, and desirable water-proof and heat-dissipation effects.

The invention discloses a battery system which can directly use single batteries connected in series and parallel. Positive and negative plates, several single cells on several intermediate plates form a parallel battery pack, and the parallel battery packs are connected in series to form a battery system; the positive and negative terminals of the single battery are circular rings protruding from the bottom Cylindrical metal, the outer diameter of the circular cylindrical part of the positive terminal is equal to the inner diameter of the circular cylindrical part of the negative terminal. The inner surface of the annular cylindrical part is provided with threads, and the outward protruding part of the bottom is fixed on the bottom of the single battery. With this technical solution, the single cells of the structure can be directly connected in series and parallel, without the need for spot welding or laser welding on the finished battery according to the traditional method, which completely eliminates the damage and uncertainty that may be caused to the battery by spot welding and laser welding In addition, fully realize the detachability and replaceability of the battery system.

The invention discloses an LED (light-emitting diode) dot matrix display screen which comprises a heat-dissipating substrate, LED light-emitting units, an imaging controller and a layout circuit conducting layer, wherein the LED light-emitting units are uniformly arrayed; each LED light-emitting unit is separately electrically connected with the imaging controller through the layout circuit conducting layer; the LED light-emitting units are fixed on the heat-dissipating substrate; the central position of every four adjacent LED light-emitting units is provided with a straight heat-dissipating through hole, each LED light-emitting unit is adjacent to the straight heat-dissipating through hole, and the straight heat-dissipating through hole passes through the heat-dissipating substrate; the LED dot matrix display screen also comprises a display-screen outline border, and the display-screen outline border is provided with an accommodating cavity (the bottom surface thereof is provided with an opening); and a position (facing to each LED light-emitting unit) on the front surface of the display-screen outline border is provided with a through hole for covering the LED light-emitting unit, the through hole is provided with a light-pervious seal plate, a position (close to the upside of the display-screen outline border) on the back face of the display-screen outline border is provided with heat-dissipating holes, and the back face of the display-screen outline border is also convexly provided with a rain cover for preventing rainwater from entering the accommodating cavity. The LED dot matrix display screen has the advantages of good heat dissipation and waterproof properties.

The invention discloses a new type of ultra-thin end lead wire for a laminated assembly. Through the principle of mutual insertion, two parts of the ultra-thin end lead wire are formed. The stamping pattern is arranged without gaps on the ultra-thin substrate to be stamped, and the left-end lead pattern and the right-end lead pattern are symmetrical and intersect each other. One stamping forms two end leads and one stamping residue. After removing the stamping residue, the obtained two ends The lead wires cooperate with conventional bus bars to realize series and parallel connection of laminated batteries. The invention adopts the principle of inter-plugging, makes full use of the effective area of ​​the ultra-thin bus bar substrate, and can form two ultra-thin terminal leads in one stamping, and the residual amount after stamping is small, which improves the stamping efficiency of the ultra-thin terminal leads and reduces material costs; The stamped back-end leads are combined with conventional bus bars to realize series-parallel connection of laminated modules, reduce the electrical loss at the return end, increase the power of laminated modules, and improve the market competitiveness of laminated technology.

The invention discloses an air cooling device utilizing cold air flow to conduct saline water cooling. The air cooling device comprises an air cooling wall structure, a saline water pump and a saline water storage device. The air cooling wall structure comprises one or more layers of air coolers. Each air cooler comprises one or more air cooling installation units. Each air cooling installation unit comprises a fin pipe bundle frame, a fin pipe bundle, a vertical shutter, a transverse shutter and a draught fan, wherein the fin pipe bundle, the vertical shutter, the transverse shutter and the fan are arranged on the fin pipe bundle frame, the transverse shutter is arranged between the two corresponding transversely-adjacent fin pipe bundles and connected into an N-shaped structure together with the fin pipe bundles, and the vertical shutter is arranged on the portion, close to the air inlet of the fin pipe bundle, of the fin pipe bundle frame. By means of the air cooling device, natural wind can flow down to achieve heat exchange, the air cooling device is suitable for large-scale heat exchange, saline water is used as heat exchange agent so that the air cooling device can be safe and reliable, and meanwhile the heat exchange area can be adjusted according to actual requirements.

The invention discloses a nested structure lithium ion battery capable of reducing a risk of thermal runaway. The nested structure lithium ion battery comprises a metal shell and a battery cell filling the shell, the shell comprises an inner cylinder and an outer cylinder, the inner cylinder is located in a through hole in the center of the outer cylinder, and a gap exists between the side wall ofthe inner cylinder and the secondary outer wall of the outer cylinder. The battery cell comprises an outer battery cell and an inner battery cell, the cavity of the outer cylinder is filled with theouter battery cell, and the cavity of the inner cylinder is filled with the inner battery cell. According to the invention, the battery core is divided into two parts, so that the outer battery core or the inner battery core can work intermittently when in use, or the other battery core is started after one battery core is used up. The gaps are used as heat dissipation channels in a high-temperature environment, so that heat can be quickly dissipated, and accidents caused by overheating are prevented; when the battery is used in a low-temperature environment, the inner battery core is enabledto work firstly, the outer battery core is heated by heat generated by the inner battery core during working, and the battery core or the inner battery core is enabled to work simultaneously after thetotal temperature rises to a normal working state, so that the temperature of the battery can be adjusted in various modes.

A manufacturing method of LED integrated structure includes molding a heat radiating substrate (1,50,100,200,251,401,450,500), molding a patterned circuit conductive layer (7,55,107,212,214,216,218,220,222,407,455,507), molding plastic members for positioning lenses or molding lenses, fixing the chips, electrically connecting the LED chips (3,51,110,208,209,210,403,451,510) with the printed circuit conductive layer (7,55,107,212,214,216,218,220,222,407,455,507), and encapsulating the LED chips (3,51,110,208,209,210,403,451,510) and leads (54,454). The manufacturing method has simple process and low manufacturing cost, and the manufactured LED integrated structure has good heat radiation, precise position relation of the lenses and the chips, high luminous flux, and good optical effect.