80results about How to "Solve energy waste" patented technology

The invention discloses a rail transit emergency power supply system and a control method, belonging to the technical field of rail transit power supply. The invention mainly comprises a matching design of a D-series high-speed train emergency power supply system and a hybrid power control method, wherein the emergency power supply system mainly comprises a fuel cell system, an energy storage device, an energy controller and the like. The matching design is mainly based on the running line of D-series high-speed trains under the emergency mode and the power and energy under vehicle parametersas constraint conditions, and the volume cost is used as the objective function for performing matching design to obtain a scheme of D-series high-speed train emergency power system. According to theinvention, the emergency power supply system of the D-series high-speed train can be effectively designed and controlled, the electric energy demand under the emergency situation is satisfied, and theenergy utilization efficiency is improved.

The invention belongs to the technical field of cellulosic ethanol production process steam explosion pretreatment, and discloses a steam explosion straw material collection and energy utilization technology, comprising the concrete steps of: (1) feeding the crushed straw into a blasting vessel by mechanical means; (2) feeding high pressure steam with a pressure of 1.2-4.0 MPa into the blasting vessel; (3) keeping pressure for the blasting vessel for 10-120 min; (4) opening the blasting vessel to eject the material to achieve separation of the material and the steam; (5) feeding the steam from the step (4) into a decompression chamber, and discharging organic molecule containing steam from the top of the decompression chamber and into the a condenser; (6) feeding a liquid formed by the steam of the step (5) through the condenser to the wastewater treatment process, and feeding the exhaust gas into an absorption tower for subsequent exhaust absorption. The technology enables steam explosion byproducts to be scientifically collected and used, makes fully use of exhaust heat, and is easy to promote and use.

The invention relates to a defrosting control method and device and heating equipment and belongs to the technical field of defrosting control. The defrosting control method includes: acquiring outdoor fan currents during the heating operation of the heating equipment; determining whether to perform defrosting control on the heating equipment or not according to the outdoor fan currents; if so, performing defrosting control on the heating equipment. By the defrosting control method, unnecessary defrosting action can be reduced favorably, the problem that unnecessary energy waste and heating effect lowering caused by frequent defrosting when frost does not exists or slight frosting occurs is solved, heating effect increasing can be achieved, and user experience and comfortableness are improved.

The invention discloses a broadband wireless access method, a broadband wireless access system and a central control system. The method includes the steps that the CCS (central control system) periodically transmits signaling signals to a relay node arranged on a high-speed moving object by the aid of an RRU (remote radio unit) and receives acknowledgement messages of the signaling signals from the relay node; and the CCS determines state information of the high-speed moving object according to the received acknowledgement messages, enables a target RRU corresponding to the state information to be on by the aid of an optical switch and enables the source RRU corresponding to the state information to be off, wherein the state information includes the current position and the current driving direction. By the aid of the broadband wireless access method and the broadband wireless access system, control, operation and maintenance processes of the system are simplified, frequency spectrum resources are reduced, energy waste is lowered, and user experience is improved.

The invention relates to a solar electric bicycle, which is used for solving the existing situations of energy shortage and environmental pollution. The solar electric bicycle comprises a bicycle body, wherein a bracket is fixedly mounted on the bicycle body; a solar battery is fixedly mounted on the bracket; the solar battery is connected to a controller through a connecting lead; the controller is connected to a ferric phosphate lithium battery through the connecting lead; the ferric phosphate lithium battery is located in the bicycle body; the solar battery is embedded in the bracket; the connecting lead is embedded in a gap between the bracket and the solar battery; glass cement is sealed in the gap between the bracket and the solar battery; the connecting lead is located in the glass cement; a piece of shockproof cotton is filled between horizontal contact surfaces of the bracket and the solar battery; a glass reinforced plastic cover is packaged outside the solar battery; a filleted corner is arranged at the front end of the bracket; and a filleted corner is also arranged at the front end of the solar battery. By the adoption of the invention, the problems of energy waste and environmental pollution can be solved, use cost of the electric bicycle is reduced greatly, and the electric bicycle and the solar battery are combined perfectly, thereby bringing a brand-new visual effect to people.

The invention discloses a remote control metering system, comprising a wireless intelligent gauging meter and a handheld intelligent terminal; the wireless intelligent gauging meter comprises a base meter, a processor module, a data acquiring module, a storage module, a valve control module, a power supply module, a wireless arousing module and a wireless communication module; the wireless arousing module is connected with a processor by a serial port; the wireless communication module is connected with the processor module by a serial port; the handheld intelligent terminal comprises a terminal processor module, a wire communication module, a display module, a keyboard module, a power supply module, a wireless communication module and an IC (integrated circuit) card reading-writing module; the wireless communication module is connected with the terminal processor module by a serial port; and the IC card reading-writing module is connected with the terminal processor module by a data port. The wireless communication module of the wireless intelligent gauging meter only needs to be activated in need of communication, thus effectively reducing the electric energy consumption of such gauging meters and prolonging the battery work time of the gauging meter.

The invention relates to a PID + FF feedforward closed-loop control method based on electric compressor of pure electric vehicle, When the air conditioning system enters normal mode, according to thetemperature error value and the position PID control sub-algorithm with integral deviation, the position PID control sub-algorithm with feedforward compensation and the look-up table PID control sub-algorithm respectively calculate the rotational speed of an electric compressor, Then the three speed values are summed up to get a total speed value. Finally, when the air conditioning system is turned on or off, the position PID controller with start / close protection is used to calculate the speed value of the electric compressor by using the total speed value to adjust the speed of the compressor. The method can accurately control the heating rotational speed of the electric compressor and achieve the control effect of "variable rotational speed and fixed temperature".

The present invention relates to the field of machinery manufacturing gas purification process unit compressed air post-treatment zone equipment, particularly to a reflux type compressed air water discharging apparatus and a use method thereof. The reflux type compressed air water discharging apparatus comprises a gas-water separator (1) and an automatic steam trap (3), wherein both ends of a straight through water discharging pipe (23) are respectively connected to the water discharging port of the gas-water separator (1) and the water inlet of the automatic steam trap (3), the water discharging port of the automatic steam trap (3) is connected to a sewage discharging pipe (25), the sewage discharging pipe (25) is connected to an electromagnetic valve (42) in series, and a liquid level sensor (31) and a time control (32) are connected to the electromagnetic valve (42) through signal lines. The reflux type compressed air water discharging apparatus of the present invention has advantages of complete functions, convenient use, blockage avoiding, and energy saving.

The invention discloses a layout structure of a three-axis linkage manipulator, including a rotating C axis, a linear Z axis, a linear X axis, a motor, a reducer, a rotary table, a C axis reducer, a column, a linear guide rail, and an auxiliary transmission conversion lead screw , arm connection block, arm system, arm bracket, rear arm, forearm, hand claw, it is characterized in that: the present invention adopts the three-axis linkage layout that adopts three-dimensional coordinates of the present invention, designs the direct stroke of the three-dimensional space of manipulator, adopts double gear The C-axis structure of the anti-backlash reduction box, the Z-axis and X-axis of the linear guide rail and the ball screw auxiliary transmission structure, the whole machine has a compact structure and high rigidity, which ensures high precision during high-speed operation, and realizes small action stroke and short action cycle of the manipulator. , low energy consumption and high efficiency. The deficiencies of the prior art are overcome.

The invention relates to an industrial enterprise circulating water system, in particular to a driving device of a cooling tower water turbine. The driving device of the cooling tower water turbine comprises a water turbine control valve set and the water turbine. The water turbine control valve set is composed of a water inlet valve and a bypass valve which are connected in parallel. By the adoption of the driving device of the cooling tower water turbine, the problem that energy is wasted in the circulating water system is effectively solved, the equipment maintenance workload of a cooling tower can be greatly lightened, and therefore the dual effects that energy of the circulating water system is saved and the equipment maintenance cost is reduced are achieved. The driving device of the cooling tower water turbine has great practical significance.

The invention relates to a dry vacuum pump set for rotor performance test and a rotor performance test method for a dry vacuum pump. The dry vacuum pump set comprises a fixed module, outer covers of various specifications, shaft sleeves of various specifications and stators of various specifications; the fixed module includes a driving chamber, a driving shaft and a driven shaft; the stators, shaft sleeves and outer covers are selected according to one or more pairs of engaging rotors releasably mounted on the driving shaft and the driven shaft so that axial positioning structures and drivingchamber on the stators, the shaft sleeves, the outer covers, the driving shaft and the driven shaft form independent pump chambers corresponding to each pair of engaging rotators, and the dry vacuum pump is formed. The test method employs the dry vacuum pump set. Therefore, through quick and simple assembly of different rotor combinations on one dry vacuum pump and formation of a test system, exhaust effects of different rotor combinations in different pressure areas and an optimal scheme are achieved, and the technical problem that sample pumps in development and research stage of dry vacuumpumps experiences unnecessary material and energy waste is solved.

The invention discloses a fountain system. The fountain system comprises a fountain device used for providing a fountain landscape, a water drainage device used for collecting sprayed water generated by the fountain device, a circulation pipeline, a water collection pool used for collecting sprayed water, not running out, of the water drainage device, a pump station used for providing power for water circulation of the fountain system, and a water processing chamber. The water drainage device is provided with a drop irrigation pipeline which conducts irrigation through the sprayed water. The circulation pipeline is provided with a routing unit and used for regulating the water supply amount of the fountain device so that it can be ensured that the water supply amount is uniform. The water processing chamber is used for purifying the sprayed water in the water collection pool and supplying the purified water to the fountain device.

The invention discloses a novel pyrolysis gasification furnace for organic solid waste. The furnace includes, in order from top to bottom, a furnace top, an upper furnace body, a lower furnace body, amulti-rotating water-cooled grate, and a slag discharge port, wherein the furnace top is provided with a feeding port and an atomizing spray structure; an upper side wall of the upper furnace body isprovided with an explosion-proof door, and the other side is provided with a gas outlet; the gas outlet is communicated with a cyclone separator; purified combustible gas is discharged from a purified gas outlet at the upper end of the cyclone separator; water separated by the cyclone separator is circulated to the atomizing spray structure and sprayed into the gasification furnace; and the sidewall of the lower furnace body is provided with a gas inlet, a multi-point multi-angle gas feeding structure and a gas outlet. The furnace has a simple structure, solves the problem that organic solidwaste gasification processes in the prior art are uneven in gasification, low in gasification efficiency, and high in tar content of combustible gas, and solves the problem that a water washing method which is adopted to remove tar oil at the rear end of a gas flue causes water pollution and waste of energy.

The invention discloses an LOHC fuel cell power generation system and method. The LOHC fuel cell power generation system is composed of a fuel cell subsystem, a high-temperature heat pump subsystem, an LOHC dehydrogenation subsystem and a Rankine cycle subsystem; the fuel cell subsystem is used for converting H2 chemical energy into electric energy; the high-temperature heat pump subsystem is used for converting the low-temperature heat energy of the fuel cell into high-temperature heat energy; the LOHC dehydrogenation subsystem is used for realizing LOHC dehydrogenation by utilizing the high-temperature heat energy; and the Rankine cycle subsystem is used for converting residual heat energy of the system into electric energy. Power generation waste heat of the fuel cell is rapidly absorbed and taken away by a working medium, efficient and stable work of the cell is ensured; one part of the heat is used for driving Rankine cycle power generation, the generated electric energy can be used for internal consumption of the system; one part of the heat is used for LOHC dehydrogenation, and generated H2 is used for the fuel cell. According to the system and the method, the problem of energy waste caused by mismatching of the working temperature of the fuel cell and the LOHC dehydrogenation temperature is solved, the adverse effect of dehydrogenation reaction energy consumption on the power generation efficiency of the fuel cell is reduced, and the overall energy utilization level is improved.

The invention discloses a magnesium-aluminum-zirconium composite brick with low thermal conductivity. The magnesium-aluminum-zirconium composite brick comprises the following raw materials by weight: 10 to 65% of microporous magnesia, 25 to 65% of high-purity magnesia, 5 to 20% of fused magnesium aluminate spinel and 1 to 10% of zirconium dioxide. The composite brick further comprises waste paper pulp accounting for 2 to 5% of the total weight of the above raw materials. The microporous magnesia is prepared by subjecting a microporous magnesia synthetic material to fragmentation and screening. The magnesium-aluminum-zirconium composite brick with low thermal conductivity in the invention has the advantages of high apparent porosity, low volume density, low thermal conductivity, high-temperature resistance, erosion resistance, scouring resistance and integrated fireproof and heat-insulating functions, is applicable to a high-temperature zone of a rotary kiln, can substantially reduce heat loss in a kiln body and produces good energy-saving and emission-reducing effects.

The invention discloses a vehicle fuel supply system which comprises an engine, a pressure regulator, an electric fuel pump and a fuel tank; the electric fuel pump is positioned in the fuel tank; the engine communicates with the pressure regulator; the pressure regulator communicates with the electric fuel pump through a fuel inlet tube; an energy accumulator and a rheostat are connected between the engine and the electric fuel pump; the energy accumulator is connected to the rheostat; one end of the energy accumulator communicates with the engine; and other end of the rheostat is electrically connected to the electric fuel pump to form a loop. The vehicle fuel supply system is simple in structure and is low in cost, can control fuel pump capacity of the electric fuel pump according to needs of the engine, is high in control flexibility, is good in reliability, effectively saves energy, and solves the problem that energy of the fuel supply system is wasted.

The invention provides a thermoelectric cooling module and heat dissipation device comprising same. A thermoelectric cooling module includes a base, a thermoelectric cooler and a plurality of heat exchangers. The base includes a case and a cover. The case has an inlet and an outlet. The cover covers the case. The cover and the case together define an accommodation space. The inlet and the outlet are connected with the accommodation space for a heat transfer fluid to flow in and out of the accommodation space. The thermoelectric cooler is in thermal contact with the cover for exchanging heat with the cover. The heat exchangers are disposed on and in thermal contact with the cover. The heat exchangers extend from the cover into the accommodation space for exchanging heat with the heat transfer fluid in the accommodation space.

The invention provides a data transmission method and device and a storage medium, and the method comprises the steps that a first communication node transmits a wireless frame comprising indication information to a second communication node, wherein the second communication node is associated with a third communication node, the third communication node and the first communication node carry outthe joint transmission, the indication information is used for indicating a fourth communication node except the second communication node to determine whether to perform channel competition or not according to the indication information after receiving the wireless frame, sending the wireless frame including the indication information to the second communication node through the first communication node, and in a scene where the first communication node and the third communication node perform joint transmission, after the fourth communication node except the second communication node receives the wireless frame, determining whether channel competition is carried out according to the indication information, so that energy of the fourth communication node is saved, the second communicationnode is prevented from being interfered to receive the wireless frame, and the communication reliability of the second communication node is improved.

The invention relates to a visible light positioning system for supermarket shopping guide and a navigation method using the same, which aim at solving the problems of easiness in influence by environment and waste of energy sources in the positioning process of the existing supermarket shopping guide. The navigation method is technically characterized by comprising the following steps of enabling LEDs (light emitting diode) to correspond to different encoding signals, and sending a starting signal and a closing signal for light responding to the encoding signals; respectively positioning the LEDs in different supermarket areas, enabling a data source to send an encoding signal loaded with high and low electric level information to a modulator-demodulator, and converting into decimal information for controlling an LED light source; sending the decimal information to an LED light source driving circuit, and enabling the LED light source driving circuit to drive the LED to open or close according to the high and level electric level information of the decimal information. The visible light positioning system has the beneficial effects that the influence to the signal collection by environments is very small, all LEDs can use the same illuminance intensity, the gradual increasing is not needed, and the energy source is saved.

The invention relates to a powder coal pressure transmission system and method of a fuel coal gasification entrained-flow bed, belonging to a powder coal pressure transmission system and method. A powder coal storage bin of the system is connected with a feed port of a powder coal isolation lock hopper through a hydraulic double-plunger dry powder pump; a discharge port of the powder coal isolation lock hopper is connected with a feed port of a powder coal feed hopper; an output port of a high-pressure plunger pump is connected with a pressurization port of the powder coal isolation lock hopper; and all the components are respectively connected through pipeline transition. The method comprises the following steps: pressurizing powder coal in the powder coal storage bin into the powder coal isolation lock hopper through the hydraulic double-plunger dry powder pump; after the powder coal isolation lock hopper is fully filled with the powder coal, isolating the powder coal isolation lock hopper from the hydraulic double-plunger dry powder pump; and applying pressure into the powder coal isolation lock hopper until the powder coal enters the powder coal feed hopper under the action of gravity. The method does not need high-pressure inert gas in the pressurization process, is efficient and energy-saving in the compression process, enhances the facility operation economy, avoids the probability of high / low-pressure bin shift and other safety accidents caused by the damage of the piston or discharge valve, and saves the operating cost.

The invention discloses a centralized heating secondary side regulation and control method based on artificial intelligence and an optimization algorithm. The method comprises the specific steps of collecting historical data and carrying out data preprocessing; according to the preprocessed historical data, establishing a deep regression model for training; and acquiring real-time data, inputting the real-time data and decision variables into the model together, and carrying out decision solving through the optimization algorithm. According to the method, the deep regression and the optimization algorithm serve as a technical framework, the heat loads of a heat exchange station and all units are predicted, the secondary side water supply temperature, the circulating pump frequency and the valve opening degree of each unit serve as the decision variables, and an optimal regulation and control strategy is optimized and solved. According to the method, various environmental factors are considered, and parameter evaluation of industry experts is not needed. The optimal regulation and control strategy composed of all decision variables can be output at the same time, and accuracy, stability and energy-saving potential are considered.

The invention discloses a boiler system with multiple boilers arranged in a stacked mode. The boiler system comprises the multiple boilers with the same type specification, steam pipelines, electric steam pipeline closing and opening valves, valve controllers and a steam header pipe. Through the stacked boilers, a large-volume boiler is decomposed, and the steam quantities generated by the stacked boilers are superposed to replace the steam quantity generated by the single large boiler; each boiler is additionally provided with the corresponding electric steam valve to achieve opening and closing of the corresponding steam pipeline of the boiler, so that the steam pipeline of each boiler is connected with or disconnected from the header pipe; and according to power generating requirements, the steam load is changed by shutting down one or more boilers, and it can be ensured that all the boilers can work under the rated loads. Compared with the single large boiler, the load of the multi-boiler system is easy to adjust, boiler efficiency is high, and the total quantity of discharged pollutants is greatly reduced.

The invention relates to the technical field of leather products, in particular to a dermal surface defect detection equipment based on machine vision and deep learning, which includes a stage. One side of the upper surface of the stage is provided with a camera component through an angle adjustment mechanism, and the other is provided with an imaging display screen, a first light source is connected to both sides of the camera component through a rotating structure, a second light source is installed in the middle of the upper surface of the stage, and a transmission mechanism is installed onthe stage on both sides of the second light source. The detection technology based on machine vision and deep learning of the invention is applied to the automatic detection of the dermal surface, realizing the quasi flexible automatic production of dermal products, solving the situation of energy waste, and improving the detection reliability and labor and energy costs of detection.

The invention belongs to the technical field of automobile air conditioners, and discloses an air conditioner condenser fan control circuit and device and an automobile. The air conditioner condenserfan control circuit comprises an oscillation circuit, a rectification circuit and a rotating speed control circuit. The oscillation circuit receives a pressure electric signal output by an air conditioner refrigeration system and outputs sine alternating current to the rectification circuit according to the pressure electric signal; the rectification circuit rectifies the sine alternating currentand then outputs direct current to the rotating speed control circuit; and the rotating speed control circuit controls the rotating speed of the condenser fan according to the direct current. The rotating speed of the fan is determined according to the pressure of the air conditioner refrigeration system, so that energy saving of the condenser fan is realized; and meanwhile, the fan of the air conditioner condenser is independently controlled, so that excessive instantaneous current caused by synchronous starting of the compressor and the condenser fan is avoided, and the problems of energy waste and excessive instantaneous current of an air conditioner system loop due to synchronous working or stopping of the compressor and the condenser fan of an existing air conditioner control circuitare solved.

The invention discloses a control method of an ice storage air-conditioning system and the ice storage air-conditioning system. The method includes the steps that a duplex mode main chiller provides a secondary refrigerant solution at a first preset temperature for an ice storage tank through a first water pipe under an ice-making working condition; after ice making, the temperature of the secondary refrigerant solution is increased to a second preset temperature, and the ice storage tank outputs a secondary refrigerant solution at the second preset temperature through a second water pipe, a heat exchanger is installed on the second water pipe and cold water circularly flows between the heat exchanger and an air-conditioning terminal; and heat exchange is carried out on the secondary refrigerant solution at the second preset temperature and the cold water through the heat exchanger, and cold water at the temperature needed by the air-conditioning terminal is obtained. The ice storage air-conditioning system integrates cold storage and cold supply, the duplex mode main chiller supplies cold on the premise of making ice, the refrigerating capacity of the main chiller is effectively used for meeting the requirement of the air-conditioning terminal, and therefore the energy utilization rate of the system is increased, and the problem of energy waste in a traditional control method is solved.

The invention discloses a delay control system for a hydrogen energy vehicle. The delay control system comprises a lithium battery assembly, a vehicle controller, a hydrogen energy device, a hydrogen fuel pile delay device, a key switch and a first contactor, the lithium battery assembly comprises a lithium battery, a lithium battery management system BMS, a DC-DC DC converter, a coil and a second contactor; the DC-DC DC converter is arranged between the lithium battery and the lithium battery management system BMS; the hydrogen fuel reactor delay device comprises a hydrogen fuel reactor control system FCU, a relay, a diode and a coil. The whole system adopts an innovative design, is combined with the characteristics of a lithium battery control system, is simple in structure, convenient to implement and low in cost, and can effectively solve the problems of power consumption and shortage, energy waste, unsafety and the like after the hydrogen energy vehicle is parked.

The invention discloses an air compression and expansion integrated device, and relates to the technical field of fuel cell air pressurization systems. The device comprises a volute and an expansion compression impeller arranged in the volute, the expansion compression impeller comprises a first wheel disc and a plurality of first blades arranged on the first wheel disc, a second wheel disc is arranged on the outer sides of the first blades, and a plurality of second blades are arranged on the second wheel disc; the first end of a rotating shaft is fixedly connected with the expansion compression impeller, and the second end of the rotating shaft is connected with an output shaft of a driving motor; a diffuser is arranged between the volute and the second wheel disc, and the diffuser divides an inner cavity of the volute into an expansion cavity and a compression cavity; a first air inlet and a first exhaust port are formed in the side wall of the expansion cavity, and a center line of the first air inlet is perpendicular to an axis of the expansion compression impeller; a center line of the first exhaust port coincides with the axis of the expansion compression impeller; and a second air inlet is formed between the first wheel disc and the second wheel disc, a second exhaust port is formed in the compression cavity, and a center line of the second exhaust port is perpendicular to the axis of the expansion compression impeller.

The invention discloses a horizontal type carbon tube furnace exhaust gas residual heat recovery system and a using method thereof. At least one exhaust gas residual heat heating device (8) is arranged in the position of each horizontal type carbon tube furnace (7). The heating ends of the exhaust gas residual heat heating devices (8) are connected with the exhaust gas ends of the horizontal type carbon tube furnaces (7). A hot return water heat preservation pipeline (3) provided with a circulating water pump (2) passes through a heat utilization area (4) and then is connected with the heated ends of the multiple exhaust gas residual heat heating devices (8) in series. A first heat meter (5) is arranged in the position, in front of the first exhaust gas residual heat heating device (8), of the hot return water heat preservation pipeline (3). A second heat meter (9) is arranged in the position, behind the last exhaust gas residual heat heating device (8), of the hot return water heat preservation pipeline (3). The two ends of the hot return water heat preservation pipeline (3) are connected with the water inlet end and the water outlet end of a gas-fired hot water boiler (1) correspondingly. By means of the horizontal type carbon tube furnace exhaust gas residual heat recovery system and the using method thereof, heat pollution caused by exhaust gas burning in production workshops can be avoided effectively, and meanwhile the burning heat of combustible gas CO is recycled.

The invention specifically discloses a refrigerated box for vehicles, which includes a refrigerated box body, the refrigerated box body includes a lower box body fixedly installed on the vehicle frame and an upper box body buckled on the lower box body, the upper box body Inverter air conditioner is installed on the top. The side wall of the upper box and the side wall of the lower box are slidingly connected up and down; the upper box includes an outer liner and an inner liner, the outer liner is an aluminum guard plate, and the inner liner is PVC A plastic plate, a cavity is formed by a sealing strip between the outer liner and the inner liner; a motor is fixedly installed on the bottom of the lower box, and the output shaft of the motor is fitted with a device that can drive the upper box along the side of the lower box. A screw rod for moving up and down the wall, and the screw rod is threadedly matched with the upper box body. The modified refrigerated container can adapt to the purpose of changing the quantity and volume of goods, achieve the effect of saving electric energy, and solve the problem of energy waste in the technical background.

The invention provides a mini light-emitting diode backlight module, a manufacturing method thereof and a display device. The manufacturing method comprises the steps of providing a carbon paste solution; coating a substrate with the carbon paste solution to form a carbon paste array on the substrate, wherein the carbon paste array comprises a plurality of carbon paste contact points; transferringa plurality of mini light-emitting diodes to the substrate, wherein the plurality of mini light-emitting diodes are in one-to-one correspondence and contact with the plurality of carbon paste contactpoints; and carrying out a die bonding method, namely, low-temperature annealing treatment on the substrate. The high-conductivity carbon paste is used for replacing solder paste to serve as a die bonding raw material, high-temperature reflow soldering is not adopted, and the die bonding process is completed through low-temperature sintering, so that the die bonding process is simpler and more energy-saving, and the technical problem of energy waste caused by high-temperature reflow soldering adopted in an existing die bonding process can be solved.