290results about How to "Realize concatenation" patented technology

Disclosed are a laminated lithium ion battery, a battery pack comprising the same and a pole piece of the laminated lithium ion battery. The pole piece comprises a current collector and an active material layer, wherein the current collector is coated with the active material layer. A section of continuous uncoated area is arranged at the tail end of a first width end portion of the pole piece, the top face and the bottom face of the uncoated area are not coated with the active material layer, the current collector is exposed in the uncoated area, and the exposed current collector serves as a pole lug of the pole piece. By the pole piece, internal resistance of the lithium ion battery is reduced and heat dissipation performance of the battery is improved.

The invention discloses a live broadcasting instruction method, a client and a system. The method comprises steps: broadcasting instruction data are acquired, wherein the broadcasting instruction data comprise data acquired by a physical camera position and / or data acquired by a virtual camera position; editing processing is carried out on the broadcasting instruction data, and live streaming data are determined; according to an instant transmission ability of a transmission link, distribution is carried out on the live streaming data, and sequence block markers are added to live streaming data blocks acquired after distribution; and the live streaming data blocks are scattered in different transmission links and are sent to a target address in a multilink parallel transmission mode. The multilink parallel transmission mode is adopted for transmitting the live streaming data, live streaming transmission is carried out through integrating multiple network links, the network bandwidth is used maximally, the transmission rate is improved, and timeliness and fluency of the live streaming can be ensured.

The invention discloses a conversion device for mutually converting serial connection and parallel connection among monomers or modules in a battery pack. The conversion device comprises a fixed part and a rotating part, wherein the fixed part and the rotating part are disk-shaped, connecting sheets are arranged on the fixed part and are uniformly arranged around the center of the fixed part, the rotating part and the fixed part are coaxially connected, parallel connection contacts and serial connection contacts are arranged on the rotating part and are uniformly arranged around the center of the rotating part, the surface of the fixed part, which is provided with the connecting sheets, is opposite to the surface of the rotating part, which is provided with the parallel connection contacts and the serial connection contacts, when monomers or modules in the battery pack are connected in parallel, the parallel connection contacts are in contact with the connecting sheets, and the serial connection contacts are separated from the connecting sheets; and when the monomers or modules in the battery pack are serially connected, the serial connection contacts are in contact with the connecting sheets and the parallel connection contacts are separated from the connecting sheets. The conversion device for mutually converting serial connection and parallel connection among the monomers or modules in the battery pack is simple in structure, and is capable of rapidly and conveniently realizing conversion of serial connection and parallel connection among the monomers or modules in the battery pack.

The invention discloses an intelligent tool capable of being flexibly expanded and dynamically configured. The intelligent tool comprises a hardware module and a software module. The hardware module comprises a control mainboard, to-be-tested equipment, a plurality of testing circuit units, an interface resource set formed by multiple interfaces and a plurality of adapter plates. The software module comprises embedded software and a script configuration file. A testing process includes the steps of firstly, preparing a hardware environment; secondly, preparing the software, to be more specific, forming the script configuration file according to the testing cases and testing flow of the design testing content of the to-be-tested equipment; thirdly, operating the embedded software after the control mainboard is started, importing the script configuration file, allowing the embedded software to analyze the script configuration file, and executing corresponding operations according to the analyzed testing flow so as to test the to-be-tested equipment.

A multi-channel fiber bragg grating absolute wavelength demodulation system based on a single detector comprises a broadband light source, a circulator, reference fiber bragg gratings, a 1*N optical switch, N-path sensing fiber bragg grating arrays, a tunable filter, a photoelectric detector and a data acquisition card. The invention simultaneously provides a demodulation method based on the system. The method is characterized in that the broadband light source generates light; the light passes through the circulator, then passes through the two reference fiber Bragg gratings and then is divided into transmission light and reflected light; the transmission light enters into the 1*N optical switch; a gating signal generated by the data acquisition card makes the light enter into a corresponding sensing fiber bragg grating channel; the reflected light enters into the tunable filter via the circulator; reflected light of a sensing fiber bragg grating also enters into the tunable filter via the circulator; frequency sweeping light is received by the photoelectric detector; a spectrum signal is converted into a time domain signal; then demodulation is performed so that a relative position of the reference fiber bragg gratings and the sensing fiber bragg grating is acquired. By using the system and the method of the invention, the system structure can be simplified and a wavelength measurement error caused by optical fiber transmission is eliminated.

The invention discloses a novel flexible thin-film battery and a manufacturing method thereof. The flexible thin-film battery is characterized in that the thickness of the flexible thin-film battery is less than 0.5 millimeter; and the flexible thin-film battery has high capacitance, can be freely bended and made into different shapes according to actual needs. The thin-film battery takes two special rubber composite electro-conductive film layers as a battery current collector which is divided into leads and a polar membrane, wherein anode film layers of the thin-film battery is prepared by respectively attaching cathode materials to the outer surface of one polar membrane part of the current collector; cathode film layers are prepared by attaching anode materials to the outer surface of another polar membrane part of the current collector; and a functional polymeric material having relatively strong hydroscopic property absorbs electrolyte as an electrolyte isolated layer; and then an insulating layer is added and die pressing is adopted, and the thin-film battery is obtained. The flexible thin-film battery can be overlapped by multilayer batteries to connect in series to form a power source, is widely applied in various aspects of smart cards, communication, calculators, toys, RFID (Radio Frequency Identification), labels, music greeting cards and the like.

The present invention relates to a solar glass reducing flow-guiding vacuum heat-collecting pipe self-locking mounted heat-collecting water storage equipment. It is composed of tubular fluid pipe cavity for circulation, solar glass reducing flow-guiding vacuum heat-collecting pipe, seal-mounted elastic normally-closed valve pipe, sealing component, heat-insulating material, external shell, water inlet and outlet heat-insulating pipeline, water storage device, condensation cooling device, frame, support and fastening positioning bolts, etc. Said invention also provides their connection mode and its working principle.

The invention provides a high voltage interlock monitoring system of a vehicular hybrid power battery. The high voltage interlock monitoring system of the vehicular hybrid power battery is characterized by comprising a single chip microcomputer, an HVIL (high voltage interlock loop) monitoring circuit, a terminal resistor R, a battery pack interior high voltage interlock switch K1, a motor controller high voltage interlock switch K2, a vehicular controller high voltage interlock switch K3 and an oil pump controller high voltage interlock switch K4. The single chip microcomputer is bi-directionally connected with the HVIL monitoring circuit, a computer monitoring layer and a communication network layer. The output end of the HVIL monitoring circuit is connected with the terminal resistor, and the input end of the HVIL monitoring circuit is connected with the battery pack interior high voltage interlock switch K1. The motor controller high voltage interlock switch K2 is serially connected between the terminal resistor R and the battery pack interior high voltage interlock switch K1. A loop is formed by the vehicular controller high voltage interlock switch K3 and the oil pump controller high voltage interlock switch K4. The high voltage interlock monitoring system of the vehicular hybrid power battery has the advantages that anti-interference of the high voltage interlock monitoring system can be improved effectively, and reliability in high voltage safety monitoring of a vehicular is enhanced.

The invention relates to a modularized plate-type ozone generator. The plate-type ozone generator comprises a top plate and one or more DBD (Dielectric Barrier Discharge) module which are sequentially arranged in a stacked manner, wherein a gas inlet and a cooling liquid outlet are formed in the top plate and a cooling liquid inlet and a gas outlet are formed in the DBD module located at the tail end; the dielectric barrier discharge module further comprises an integrated high-voltage electrode body with a seal ring, a ground electrode with a barrier dielectric layer and a power source connector, wherein the integrated high-voltage electrode body with the seal ring is packaged inside the frame of the ground electrode with the barrier dielectric layer and the power source connector is mounted on the ground electrode with the barrier dielectric layer. By virtue of the ozone generator disclosed by the invention, the airflow connection mode of the DBD modules can be flexibly changed, and thus the series connection, parallel connection and mixed connection modes of the DBD modules can be easily achieved and the different requirements of different users on the yield and concentration of ozone are met.

Disclosed is a serial-connection-type photovoltaic square matrix which is characterized in that the photovoltaic square matrix is formed through serial connection of n photovoltaic string power units, wherein n is larger than 1; and the photovoltaic string power units are formed through serial connection of photovoltaic strings and photovoltaic string high-voltage isolation power control modules. Output ends of the photovoltaic strings are connected with input ends of the photovoltaic string high-voltage isolation power control modules, and via output by DC / DC isolation ports of the photovoltaic string high-voltage isolation power control modules, a withstand voltage of each photovoltaic string power unit is larger than a voltage Usmax of a DC system.

The invention discloses a heat absorption core of a collector used for a solar heat pump water heating system, a naked plate type collector, a collector with a glass cover plate as well as a direct-expansion solar heat pump water heating system. The naked plate type collector and collector with the glass cover plate are connected through an electromagnetic valve and a refrigerant copper pipe and, a PLC (Programmable Logic Controller) controls the open and close of the electromagnetic valve according to different external conditions so as to realize the separated operation and series operation of the naked plate type collector and the collector with the glass cover plate. Refrigerant gas through evaporation and compression enters a plate-type heat exchanger so as to carry out countercurrent flow heat exchange with circulating water, hot water temperature is fed back to a controller through a temperature sensor, and the controller controls the open and stop of a compressor. With the structure, the system has the advantages of high energy efficiency ratio, good environmental adaptation, simple structure and the like and is environment-friendly and energy-saving.

The invention discloses an engine-motor integral cooling device for a hybrid electric vehicle and the hybrid electric vehicle. The engine-motor integral cooling device comprises an engine cooling system, a motor cooling system and a communication control system, wherein the engine cooling system comprises a first water pump, an engine, a thermostat, a first water path radiator and a first electromagnetic valve; the motor cooling system comprises a second water path radiator, a second water pump, a shunt valve, a motor controller, a motor and a second electromagnetic valve; the communication control system comprises a third electromagnetic valve, a fourth electromagnetic valve and a heat management controller; the opening of the third electromagnetic valve and the fourth electromagnetic valve and the closing of the first electromagnetic valve and the second electromagnetic valve are controlled through the heat management controller; the engine cooling system and the motor cooling system run in a series manner.

The invention provides a carbon-based catalyst desulfurization and denitrification system and method. The carbon-based catalyst desulfurization and denitrification system comprises a fume system (A), a desulfuration adsorption system (B), a denitrification adsorption system (C), a carbon-based catalyst conveyer system (E), a nitrogen system (F), an ammonia gasification dilution system (G), a cooling water system (I), a carbon-based catalyst regeneration system (D) and an air heating system (H), wherein all the systems are connected through a pipeline. Boiler fume enters a chimney to be discharged after reaching the standard by being processed through the carbon-based catalyst desulfurization and denitrification system, the adsorbed carbon-based catalyst is heated, desorbed and regenerated and then returns to an adsorption tower, and high-concentration SO2 obtained through desorption is used for resource recovery. According to the system, SO2 and NOx are removed through two-stage movement adsorption, adaptability to the fume condition characterized in high sulfur content, variable sulfur content and large fume amount change is high, and the foundation can be laid for large-scale application and popularization of the carbon-based catalyst fume purification technique in the thermal power industry.

The invention relates to a four-stage series-and-parallel connection pump. Four stages of impellers are connected in series two by two to form two series connection impeller sets. The two series connection impeller sets are symmetrically arranged on a water pump water inlet, a connection channel is formed between the two series connection impeller sets and is communicated with the water pump water inlet, a series-and-parallel connection reversing valve is arranged on the connection channel, and a one-way valve is installed between the connection channel and the water pump water inlet and used for achieving series connection and parallel connection of the four stages of impellers. According to the single pump with the four stages of impellers, through cooperation action of the series-and-parallel connection reversing valve and the one-way valve, series connection and parallel connection functions can be achieved at the same time. One pump is driven by only one motor, various purposes such as fire distinguishing, cooling and drainage can be achieved simultaneously, the structure is impact, axial force is naturally balanced, and the four-stage series-and-parallel connection pump has very good application prospects.

The invention provides an integrated energy supply product. The product integrates a III-V thin film solar battery and an all-solid-state thin film lithium battery; the positive electrode of the solarbattery is connected with the positive electrode current collector of the lithium battery; the negative electrode of the solar battery is connected with the current collector of the negative electrode Li of the lithium battery; and the positive electrode current collector and negative electrode current collector of the lithium battery are connected with a load through wires. The invention also provides a preparation method of the energy supply product and a device for preparing the energy supply product. The device comprises a glove box; and a magnetron sputtering coating device, a vacuum evaporation device and a hot pressing device are integrated in the glove box. According to the energy supply product of the invention, the III-V thin film solar battery is adopted; the III-V thin film solar battery is provided with a light-weight flexible substrate; the overall thickness of the solar battery is smaller than 200 micrometers; the weight-to-area ratio of the solar battery is 300 g / m<2>and is much smaller than the weight-area ratio of a crystalline silicon battery; the all-solid-state thin film lithium battery is adopted, and is provided with a flexible substrate; the thickness of the entire energy supply product is smaller than 1 mm; and the energy supply product is flexible, light-weight and easy to carry.

The invention discloses a first-division up-flow combined baffle plate anaerobic hydrolysis reaction integrated device. According to the device, the first division is an up-flow anaerobic sludge blanket, which is then connected in series with multiple divisions of anaerobic baffled reactors. The first division adopts the UASB, large-ration reflux of filling material and supernatant is set, and sludge concentration of a mud water mixing zone is effectively increased. Then, resistance to impact load of the whole anaerobic hydrolysis reactor is enhanced, and the problem that a traditional ABR first-division reaction chamber has large bearing load and local loads overload is solved. During baffling process of sludge and wastewater in the ABR upward-flow and downward-flow reaction chambers, mud water mixing state is improved, and the defect that a traditional ABR upward-flow chamber has many channels and blind angles is overcome. By arranging a filling material zone in the ABR upward-flow reaction chamber, microbe enrichment effect is raised, and the anaerobic hydrolysis effect is better. By arranging a sludge collection and return system at the end of the ABR, loss of anaerobic sludge is avoided, operation is flexible, and mobility is strong. The device of the invention is suitable for promotion and application in the field of small and medium-sized wastewater treatment.

The invention discloses a double-disc-serial-connecting pump light multi-pass transmission system which comprises a first off-axis parabolic mirror, a first right-angle reflecting mirror group, a first disc laser crystal, a spherical reflecting mirror, a second off-axis parabolic mirror, a second right-angle reflecting mirror group and a second disc laser crystal. The first right-angle reflecting mirror group is placed on a reflecting light path of the first off-axis parabolic mirror. The first disc laser crystal is placed at the focus of the first off-axis parabolic mirror. The second off-axis parabolic mirror and the first off-axis parabolic mirror are arranged symmetrically about a plane alpha which passes through a spherical mirror sphere center. The second right-angle reflecting mirror group is placed on a reflecting light path of the second off-axis parabolic mirror. The second disc laser crystal and the first disc laser crystal are arranged symmetrically about a plane alpha which passes through a spherical mirror sphere center. The invention further discloses a high-power disc solid laser, and stable high-energy laser output is achieved.

The invention relates to a battery cell, in particular a lithium-ion battery cell, comprising a cell housing (10) with a base area (11) on which the battery cell is positioned and at least one side face and two terminals, wherein a first terminal (20) is electrically conductively connected to the cathode of the battery cell (1), and a second terminal (30) is electrically conductively connected to the anode of the battery cell (1), and wherein the terminals (20, 30) are arranged on at least one side face of the cell housing (10). Furthermore, the invention relates to a battery cell module, which comprises a plurality of battery cells (1) according to the invention, wherein a terminal (20) of a first battery cell makes contact with a terminal (30) of a second battery cell. In addition, the invention relates to a method for producing a battery cell module according to the invention, in which at least one first and one second battery cell according to the invention are provided, positioned next to one another, and at least one terminal (20) of the first battery cell is electrically conductively connected to a terminal (30) of the second battery cell. The invention also relates to a motor vehicle which comprises a battery cell module according to the invention.

An energy transmission device for a battery system, a battery system with such an energy transmission device, and a motor vehicle with such a battery system. The energy transmission device comprises a plurality of DC / DC converters, these DC / DC converters respectively have a first input terminal and a second input terminal and a first output terminal and a second output terminal, wherein the first input terminal And the second input is designed for connecting a battery module, wherein the DC / DC converters are connected in series on the output side.

The invention discloses a composite power source based on a charge pump and a switching method thereof under different work conditions, and belongs to the field of new energy automobiles. The composite power source comprises a composite power source management system, a switch controller, the charge pump, a sampling device and a power battery, wherein the charge pump is composed of a super-capacitor and a switch module, the output voltage can be changed according to different work condition requirements, operation is simple, only a few elements are needed, and electromagnetic interference (EMI) can be lowered. The composite power source management system is connected with the switch controller through a CAN bus, so that the super-capacitor is connected in parallel or in series. The charge pump is connected with the power battery in parallel, the super-capacitor can assist the power battery in the power output and energy recycling functions, the workload of the power battery is reduced, and the service life of the battery is prolonged.

The invention provides a high-voltage withstanding device in a bipolar low-voltage process and a manufacturing method thereof. In the high-voltage withstanding device in the bipolar low-voltage process, a lightly doped region with low doping concentration is formed on an upper isolation region surrounding a current collection zone, the width of an earth-pole lead is more than that of the lightly doped zone, one side, facing the current collection zone, of the lightly doped region surpasses the upper isolation region by a certain width, one side, facing the current collection zone, of the earth-pole lead surpasses the lightly doped region by a certain width, so that the device in high-voltage work is prevented from a situation that a large amount of charges accumulate at an apex angle position of the upper isolation zone, the breakdown problem caused by charge accumulation is prevented, and thus, the performance of the device is increased. In addition, a silicon nitride layer on a first interlayer dielectric layer is combined with a passivation layer of a silicon-nitride-containing thin film layer, so that mobile ions can be effectively prevented from entering a strong electric field region in the high-voltage device structure to cause pollution, and thus, the high-temperature and high-voltage reliability of the high-voltage device can be guaranteed.

The invention discloses a non-invasive wireless passive intraocular pressure sensor and a manufacturing method thereof. The intraocular pressure sensor comprises a flexible substrate layer, a first electrode layer, an intermediate layer, a second electrode layer and a flexible substrate layer, wherein a dielectric layer of a central capacitor is formed by a part of the intermediate layer, and a polar plate of the central capacitor is formed by corresponding parts of the first electrode layer and the second electrode layer; and the flexible substrate layers are prepared by using ParyleneC thin films, and the intermediate layer is prepared by using a PDMS material. The non-invasive wireless passive intraocular pressure sensor disclosed by the invention is simple and feasible in the whole set of process; the series connection between the capacitor and an inductor can be achieved by using extra edge capacitance, and a simple structure can be achieved; and a sensor electrode is simple to manufacture, the prepared electrode is low in resistivity, the acquisition of relatively high quality factors can be facilitated, and the signal-to-noise ratio of detection signals can be improved.

The discharge chamber of plate corona discharge ozone generator is formed from high-voltage pole plate, earthed pole plate, outer shell body and upper and lower end covers. The high-voltage pole plate is a rectangular stainless steel plate, the earthed pole plate comprises two rectangular metal plates which are symmetrically mounted and fixed on front and rear two sides of the high-voltage pole plate, and a certain discharge gap is retained for high-voltage pale plate respectively, its inner side surface is equipped with dielectric body layer with a certain thickness, and its left and right sides are respectively equipped with insulating strips, its outer shell body comprises two shell bodies with recessed groove which are respectively mounted and fixed on the outer sides of two earthed pole plates to form cooling water cavity with water inlet and outlet.

The invention provides a gas arc discharge device, a coupling system of a vacuum cavity and an ion nitriding process. A thermal cathode electron emission principle is utilized to coordinate with an auxiliary cathode to generate plasma, and the plasma nitriding is carried out through coupling of a magnetic field module of the device and a cavity axial magnetic field module. The parameters of the gas arc discharge device and the cavity axial magnetic field are controlled to be coupled, the optimal magnetic field parameters are selected, the plasma energy and density in the vacuum cavity are increased, and the optimal nitriding effect is obtained. According to the device and the method, 316L austenitic stainless steel is subjected to 60 min plasma nitriding treatment, the hardness of a nitriding layer can reach 1100 HV0.05, the nitriding depth can reach 50 micron, no nitride is precipitated in the nitriding layer, and the nitriding layer is a single gamma N phase, so that the high hardness and high wear resistance of a nitriding workpiece are ensured.

The invention discloses a photovoltaic component which can be matched with other photovoltaic components for use and comprises a solar cell (1) and an outer frame (2) protecting the solar cell (1), wherein the outer frame (2) comprises a depressed part (21) and a raised part (22) which is opposite to the depressed part (21); furthermore, in the adjacent two photovoltaic components, the depressed part (21) of one is matched and connected with the raised part (22) of the other one. The photovoltaic component can replace a traditional roof tile to be mounted on a roof and become a whole with the roof, thereby being unnecessary to increase a mounting member of the photovoltaic component, and the structural designs of load-bearing, waterproofing and the like damaging the roof in the later stage, being convenient to mount, being capable of being mounted by staff with the mounting skill of the traditional roof tile, having no need of professional mounting device, staff and the like, improving the mounting efficiency of the photovoltaic component and reducing the mounting cost of a building roof formed by the photovoltaic component. The invention further provides the building roof comprising the photovoltaic component.

The invention discloses a lithium ion battery module, comprising a battery clamp on which a plurality of battery inserting holes are arranged, wherein the battery inserting holes are distributed according to a matrix; a plurality of battery series connection pieces embedded into the battery inserting holes; and a plurality of unit batteries which are inserted into the battery inserting holes and are connected with the battery series connection pieces. The battery clamp is composed of an insulation holder located at a lower layer and a conductive holder located at an upper layer. The insulation holder and the conductive holder are arranged closely and are fixedly connected. A plurality of insulation holder holes distributed according to the matrix are produced on the insulation holder. A plurality of conductive holder holes distributed according to the matrix are produced on the conductive holder. The insulation holder holes and the conductive holder holes form the battery inserting holes. The battery series connection pieces are in elastic contact connection with the hole walls of the conductive holder holes. The battery module is compact and stable in structure, convenient for assembly and good in heat dissipation, and a traditional parallel connection mesh structure is removed.

The invention discloses a high-voltage planar supercapacitor as well as a preparation method thereof. Specifically, a dispersion system containing electrode materials (graphene, carbon nano tubes, polymers, oxides, hydroxides, sulfides, nitrides and the like) and additives is taken as printing ink, a printing method is adopted, and a planar supercapacitor with high voltage is prepared on any insulated substrate by virtue of a one-step process. The obtained planar supercapacitor realizes integration preparation of electrodes, a current collector and a connector as well as series integration ofmultiple plane supercapacitors, has a high output voltage, can be combined with a printable electronic device to be taken as a power source of the printable electronic device and has a broad market prospect.

An assembled flat-plate photobioreactor contains a frame, a front side wall, a back side wall, sealing gaskets, a distributor, distribution pipes, fasteners, a guide plate, a feeding hole, an inoculating opening, a discharging opening and the like and also contains external systems which ensure the normal operation of the reactor and contain a feeding system, a ventilation gas supply system, an environment comprehensive control system and a discharging system. The photobioreactor is mainly characterized in that the frame of the reactor is a supporting frame around the photoreactor; the frame and the front side wall and back side wall of the reactor are commonly used to form the inner space of the reactor and the inner space is fixed and sealed through the fasteners and the sealing gaskets. The base of the reactor frame or the hollow slots of uprights on the two sides are provided with the distribution pipes; the distribution pipes are connected with the pipes of the external system and the feeding hole of the frame to provide nutrients to the inside of the reactor. The invention provides a block construction and assembling method of the rapid assembly flat-plate photobioreactor; and the photobioreactor is used for the industrial low-cost large-scale cultivations of photosynthetic organisms such as microalgae and has better industrial application prospect.

The invention discloses a cadmium telluride thin film solar battery with a composite back electrode and a preparation method of the battery. The solar battery comprises a substrate layer, a window layer, an absorption layer, a back contact layer and a composite back electrode layer in sequence; the window layer adopts the material of cadmium sulfide; the adsorption layer adopts the material of cadmium telluride; the back contact layer adopts the material of copper-doped zinc telluride; and the composite back electrode layer is formed by a molybdenum layer and a nickel vanadium layer. The battery adopts the molybdenum and nickel vanadium composite back electrode structure, so that combination of the thin film interface in the battery can be improved, the interface loss can be lowered, and the collection and transfer capability of the interface current can be improved, thereby further improving photoelectric performance of the battery.

The invention relates to a safe high-discharging-rate lithium battery pack module comprising a battery pack, a high-discharging-rate relay and a battery pack charging and discharging management system which are in circuit connection. The lithium battery pack comprises a plurality of individual lithium batteries in series connection, a short-circuit piece connects an anode of one individual lithium battery to a cathode of another individual lithium battery, and the whole lithium battery pack comprises an output anode and an output cathode; the high-discharging-rate relay is connected with the output anode of the lithium battery pack and the battery pack charging and discharging management system, the battery pack charging and discharging management system comprises a charging and discharging management module, a voltage protection module and a current protection module, an input end of the charging and discharging management module is connected with an outside charging power source while a first output end of the same is connected with the lithium batteries, and a second output end of the lithium battery charging and discharging management module, the voltage protection module and the current protection module are sequentially connected. The lithium battery pack module realizes serial connection of the individual batteries and is long in standby time, long in circulating life and high in stability.