59results about How to "Reduce energy requirements" patented technology

A solar-thermal powered recreational vehicle featuring a solar-thermal air conditioning system integrated with a solar clean energy system to provide a recreational vehicle having improved energy efficiency. In an embodiment employing the principles of the present invention, the solar-thermal powered recreational vehicle can comprise a clean energy system for providing electrical power to the recreational vehicle, whereby the clean energy system features one or more solar photovoltaic panels, a batter bank, and a generator operatively coupled to a hybrid inverter. The solar-thermal air conditioning system is powered by the clean energy system, with the solar-thermal air conditioning system featuring a solar-thermal collector panel functioning to superheat compressed refrigerant prior to the compressed refrigerant being transmitted to the condenser. Because the compressor is the most energy-intensive component in the traditional direct expansion AC system, the use of free solar energy by the present invention to reduce the work load on the compressor significantly reduces the overall energy requirements of the recreational vehicle, thereby providing a recreational vehicle capable of operating on solar and battery power alone for significant periods of time.

The invention discloses a node access authentication method, an access authenticated node, an access node and a communication system. The method comprises the following steps: the access authenticated node receives the access request information sent by the access node, wherein the access request information comprises an authentication extension header and an authentication code which are packaged in a next-generation IPv6 (internet protocol version 6) data packet; the authentication extension header comprises the algorithm field; and the authentication code is computed by a first computing method according to the algorithm corresponding to the algorithm field, a shared key configured in the access node and the information except the authentication code in the IPv6 data packet; and the access authenticated node packages the received IPv6 data packet in the access request information and sends the access request information to an AAA (authentication, authorization and accounting) server so that the AAA server authenticates the access node. The technical scheme adopted by the invention can be applied in the 6LowPAN (personal area network), realize access authentication of the node on the IP layer and effectively improve the safety of network communication.

The invention discloses a route and spectrum allocating method based on the energy aware function and applied to an elastic optical network. According to the route and spectrum allocating method, on the basis that the power consumption of components constituting the optical network is considered, the route with the smallest total power consumption and the modulation mode with the smallest total power consumption are selected through calculation; when spectrum resources are not enough, the lowest connectivity is guaranteed by selecting the modulation mode with a higher order, so that the total blocking rate of services is reduced; when the route is worked out, frequency slot allocation is conduced through a primary matching algorithm, and an optical path is established. By the adoption of the route and spectrum allocating method based on the energy aware function and applied to the elastic optical network, energy consumption is reduced, and the blocking rate of the services can be reduced.

The invention relates to an oil refining catalyst wastewater zero-discharging treatment method. The oil refining catalyst wastewater zero-discharging treatment method comprises the following steps that (1) oil refining catalyst wastewater is treated in a high-density sedimentation tank to obtain sedimentation wastewater; (2) the sedimentation wastewater is fed into a multi-media filter to obtain produced water of the multi-media filter; (3) the produced water of the multi-media filter is fed into an ultra-filtration system and is further treated to obtain ultra-filtration water; (4) the ultra-filtration water is regulated to be weak-acidic and then is fed into a sea water desalination type reverse-osmosis system, and reverse-osmosis concentrated water is obtained through treatment; (5) the reverse-osmosis concentrated water is fed into an efficient electrodialysis system for concentration or into a conventional reverse-osmosis system for reverse osmosis respectively according to the salt content of the reverse-osmosis concentrated water; (6) the electrodialytic concentrated water is fed into a mechanical vapor compression (MVR) evaporator for concentration, the concentrated liquid is fed into a waste heat multiple-effect evaporative crystallization system, further evaporative concentration and crystallization are conducted on the concentrated wastewater, centrifugal dewatering is conducted on the concentrated liquid to obtain solid salt for recycling, and the produced water is reused. The oil refining catalyst wastewater zero-discharging treatment method is obvious in treatment effect and low in operation cost.

The invention belongs to the technical field of air separation and particularly relates to a process for making nitrogen by air separation or making nitrogen and simultaneously producing oxygen in an attached manner. The process comprises the following steps of: cooling purified air and introducing into a distillation system, wherein the distillation system at least is a secondary distillation system composed of an upper distillation tower and a lower distillation tower connected into a whole by a condensate evaporator; dividing the purified air into two paths, wherein one path is to introduce the purified air into an expander for expansion refrigeration and introducing expanded air into the middle part of the upper distillation tower, and the other path is to introduce the purified air into the lower distillation tower for distillation after the purified air is cooled to the saturation temperature; and finally obtaining a nitrogen product at the top part of the upper distillation tower. The process has the beneficial effects that an air compressor is low in exhaust pressure and low in energy consumption, so that the energy consumption requirements of a nitrogen production device by air separation are greatly reduced; the current requirements of energy conservation and emission reduction in China on high energy consuming industries are satisfied; and meanwhile, the extraction rate of the nitrogen can be up to 85-97%, and the energy consumption is 0.1-0.18 kWh / Nm3N2.

The invention discloses a solar tracking power plant with a link, which relates to a solar power plant system, in particular to a solar power plant system in which a link system is arranged. The solar power plant system comprises a plurality of brackets (1), a plurality of bracket supporting shafts (2), a plurality of solar panel brackets (3) and a plurality of solar panels (4). The solar power plant system is characterized in that each bracket supporting shaft (2) is connected with a synchronizing link (5), the lower end of the synchronizing link (5) is connected with one end of a cross bar (7) through a rotating device (6), and a motor connecting hole (8) is arranged on each bracket supporting shaft (2). The invention improves the generating efficiency; as only a motor and a set of decelerating and driving equipment are used, the synchronously normal solar tracking of the plurality of solar panels can be ensured, the production-manufacturing cost is reduced, and the generating efficiency is improved.

The invention relates to filtering equipment for purifying aquacultural water. The filtering equipment for purifying the aquacultural water comprises a pedestal, a frustum-shaped screen, a driving shaft, a driving device, a water inlet pipeline, a water outlet pipeline, a backflush device and a control device, wherein the pedestal has a disk shape; a water storage space is formed in the middle of the bottom part of the pedestal; a pipe orifice communicated with the water outlet pipeline is arranged on one side wall of the bottom part of the pedestal; a sewage draining groove is formed in the pedestal; a plurality of sewage draining holes are formed at the bottom of the sewage draining groove; the frustum-shaped screen is formed by arranging a stainless steel surface on a fixed frame; a fixed part which has a small diameter and is fixedly connected to the driving shaft is arranged at the top of the fixed frame; a fixed hoop with a big diameter is arranged at the bottom of the fixed frame; the bottom edge of the fixed hoop extends to above the sewage draining groove; a plurality of reinforcing ribs are connected between the fixed part and the fixed hoop; the water inlet pipeline guides water to the top of the screen, so that under the action of gravity, the water flows downwards from the top of the screen, is filtered by the screen and then flows to the water storage space; and according to a user programmable program, the control device automatically controls the backflush device to synchronize with the rotation of the screen to flush the screen, so low-energy-consumption and high-efficiency automatic washing is realized.

A device includes a plurality of driver circuits coupled to a plurality of bus lines. A first driver circuit of the plurality of driver circuits is coupled to a first bus line of the plurality of bus lines. The first driver circuit includes one of a skewed inverter, a level shifter, a latch, and a sense amplifier configured to produce an output signal that transitions after a first delay in response to a first digital value transition of an input signal from high to low and transitions after a second delay in response to a second digital value transition of the input signal from low to high. The first delay is different from the second delay by an amount sufficient to reduce power related to transmission of signals over the first bus line and over a second bus line in close physical proximity to the first bus line.

The invention discloses a preparation method for the vapor phase inhibitor for a metal natural gas gathering and transporting pipeline, and relates to a vapor phase inhibitor and a preparation method of the vapor phase inhibitor. The problem that the conventional corrosion inhibitor can not perform corrosion inhibition on a pipeline for conveying oil gas with high CO2 content is solved. The method comprises the following steps of: 1. preparing the component A; and 2. mixing, namely adding the component B into the component A for uniform mixing, and standing the mixture at room temperature for certain time, so as to obtain the vapor phase inhibitor for the metal natural gas gathering and transporting pipeline. The method is mainly used for preparing the vapor phase inhibitor for the metal natural gas gathering and transporting pipeline.

A workstation (1) of a two-for-one twisting or cabling machine which comprises a rotatably mounted spindle (2) and a balloon-yarn-guide-eye (9) height-adjustable by means of a drive (18, 29) coupled to a control device (20) which controls the drive (18, 29) in such a manner that it displaces the balloon-yarn-guide-eye (9) between operating positions (AP1, AP2) dependent upon production parameters and a resting position (RS) advantageous in the case of production interruptions and transient operating phases associated with the latter. A device (21, 23, 24, 25) is present for detecting a measured value (i), which is made available to the control device (20) and which causes the control of the drive (18, 29) to change the position of the balloon-yarn-guide-eye (9).

The invention discloses a swing column-hybrid limb-connected wall structure capable of restoring after being damaged in an earthquake and an assembly method. According to the swing column-hybrid limb-connected wall structure capable of restoring after being damaged in the earthquake and the assembly method, a reinforced concrete wall only generates a bending moment and shear force, axial force generated at the bottoms of wall limbs under the coupling effect is avoided, the energy dissipation requirement for a reinforcing region at the bottom of a shear wall is effectively lowered, damage to the wall limbs can be controlled more easily, the original axial force of the wall limbs is transferred to swing columns on the two sides, brittle shear damage to the wall limbs of the reinforced concrete wall under tension can be effectively avoided as long as the stability of the swing columns can be guaranteed under stress, and force transmission is simple and reliable. According to the swing column-hybrid limb-connected wall structure used as a first defense line for earthquake fortification, a steel coupling beam is good in ductility and high in energy dissipation capacity; a joint connection manner beneficial to replacement is adopted, so that disassembly is easy, and operation is simple; all fixing parts are of a detachable structure and can be re-spliced and re-connected after the energy-dissipation coupling beam is replaced, so that construction and post-earthquake consolidation are made very convenient.

The invention discloses a reverse osmosis membrane concentration combined device. The reverse osmosis membrane concentration combined device is characterized in that an outlet of a reverse osmosis membrane system raw water tank is connected with a security filter, an outlet of the security filter is connected with an inlet of a high-pressure pump and an inlet of an energy recovery device, an outlet of the high-pressure pump is connected with an inlet of a first circulating pump, an outlet of the first circulating pump is connected with an inlet of a first reverse osmosis membrane component, an outlet of the first reverse osmosis membrane component is connected with the inlet of the first circulating pump and an inlet of a second circulating pump, an outlet of the second circulating pump is connected with an inlet of a second reverse osmosis membrane component, an outlet of the second reverse osmosis membrane component is connected with the inlet of the second circulating pump and the inlet of the energy recovery device, an outlet of the energy recovery device is connected with an inlet of a booster pump, and an outlet of the booster pump is connected with the inlet of the first circulating pump. The invention further discloses a reverse osmosis membrane concentration combined technology. The reverse osmosis membrane concentration combined device and the reverse osmosis membrane concentration combined technology for the desulfurization wastewater have the advantages that desulfurization wastewater concentration effects are improved effectively, resource utilization is achieved and environment pollution, investment cost and operation cost are reduced.

The invention discloses a device and a process for continuously producing aluminum sulfate octadecahydrate. The device comprises a first storage tank, a second storage tank, a continuous tank reactor,a gradient crystallizer and a solid-liquid separator, wherein the first storage tank contains dilute-phase waste sulfuric acid; the second storage tank contains concentrated-phase sulfuric acid; thefirst storage tank and the second storage tank are respectively connected with the continuous tank reactor through delivery pumps and pipelines; the continuous tank reactor is communicated with the storage bin through a screw feeder, and aluminum hydroxide is added into the storage bin. A liquid outlet of the continuous tank reactor is connected with the solid-liquid separator through a pipeline by virtue of the gradient crystallizer, an aluminum sulfate octadecahydrate reaction product is crystallized from reaction liquid in the gradient crystallizer and then is fed into the solid-liquid separator to be separated to obtain an aluminum sulfate octadecahydrate crystals and mother liquor, and the mother liquor can be reused as dilute-phase waste sulfuric acid. In the process of producing thealuminum sulfate octadecahydrate, the requirement on the quality of sulfuric acid is not high, the waste sulfuric acid can be recycled, and the treatment cost of the waste sulfuric acid is reduced.

The invention provides an acremonium strictum strain BH-0531 separated from a Bohai Bay water area and screening and an application thereof. The strain is collected in the China General Microbiological Culture Collection Center with the collection number of CGMCC No.5445. The strain is separated from a sample of bottom layer seawater in the Bohai Bay, and is obtained by screening and identifying.The BH-0531 strain separated and screened in the invention belongs to acremonium strictum (originally called cephalosporium), has the characteristics of low growing temperatures of marine microorganisms and growth under high-salt conditions, and has the capability of producing nematicidal active metabolic products; produced nematicidal substances have high thermal stability and water solubility; the nematicidal activity can be over 94 percent under experimental conditions; and the acremonium strictum strain BH-0531 can be applied to fermentation production of bioactive substances such as nematicides, antibiotics and the like.

The invention relates to a method for chemical synthesis of vitamin K2, and belongs to the technical field of organic synthesis. In the method, 2-methyl-1,4-naphthoquinone and geraniol are taken as raw materials, catalytic hydrogenation is firstly performed on 2-methyl-1,4-naphthoquinone for reducing 2-methyl-1,4-naphthoquinone into 2-methyl-1,4-hydronaphthoquinone, then Fridel-Crafts alkylation reaction is further performed with geraniol, and the product is finally obtained by oxidation reaction. The method has the characteristics of high product yield, high recycling rate of materials, low production cost, simplicity and convenience in production process and low energy consumption, and is conductive to environmental protection, convenient to popularize and apply and the like. The method can be widely used for industrialized large-scale production of vitamin K2, and vitamin K2 product synthesized by adopting the method can be widely used as the raw material for medicines, health-care products and the like.

The invention discloses a channel estimation method based on joint placement of orthogonal time-frequency-space OTFS pilot frequencies. The method comprises the following implementation steps: 1, placing orthogonal time-frequency-space OTFS data block pilot frequencies and guard intervals; 2, carrying out inverse symplectic Fourier transform on the data block, then carrying out Hisenberg transform on the signal block, and sending an obtained time domain signal; 3, receiving, by a receiving end, an orthogonal time-frequency-space OTFS data block signal, and carrying out the threshold detection on the orthogonal time-frequency-space OTFS data block signal; 4, extracting a data block signal of the receiving end exceeding a threshold value, and calculating an antenna channel coefficient. According to the invention, the guard interval is arranged at the position within half of the maximum delay spread and the maximum Doppler spread around the pilot symbol, so that the interference on the pilot symbol of the receiving end is reduced, the accuracy of the estimated channel information is improved, and the energy demand of the pilot is reduced.

The invention discloses a full-seam mining coal mining machine and a coal mining method, and belongs to the technical field of coal mining. The full-seam mining coal mining machine comprises a main machine frame, an upper cutting device, a lower cutting device and a turning device, the upper cutting device and the lower cutting device are mounted on the main machine frame, the upper cutting deviceis connected with the main machine frame through the turning device, the turning device comprises a power mechanism, a rotating arm is arranged at the output end of the power mechanism, when the coalmining machine cuts coals to the end, the power mechanism acts to drive the rotating arm to rotate, and then, the upper cutting device is driven to rotate together; and the upper cutting device comprises a cutting head, a cutting arm, a telescopic cylinder, angle modulation oil cylinders and a rotating part, the rotating part is connected with the rotating arm, the cutting head is tapered, the rear end of the cutting head is connected with the cutting arm, and the rear end of the cutting arm is connected with the telescopic cylinder. According to the full-seam mining coal mining machine and the coal mining method, turning and moving of a cutting part can be realized by using the turning device, cutter-entering coal cutting can be continuously carried out during returning, cutter-empty return is avoided, reciprocating and bidirectional coal cutting can be realized, the working efficiency is improved, and energy consumption can be reduced.

The invention relates to a street lamp shade suitable for illumination in rainy days and belongs to the technical field of illumination. The street lamp shade suitable for illumination in the rainy days comprises a lamp shade body, wherein a light source is embedded into the lamp shade body; the lamp shade body is made of one or a composite of plastic, alloy, wood and stone; an opening is formed in the upper end of the lamp shade body; a rain collection tank is arranged below the opening; a rain drainage channel is arranged at the bottom end of the rain collection tank; a refraction tank is arranged on the side, where the rain drainage channel is positioned, of the rain collection tank; a pair of infrared sensors is arranged at the corresponding positions of the bottom end of the refraction tank and the upper part of the lamp shade body; the infrared sensors control switching of the light source via a circuit; when the infrared sensors are communicated with each other, the light source is turned off and when the infrared sensors are disconnected, the light source is turned on. The region-marking street lamp shade saves energy and can mark different channels.

The invention relates to a loading type small grain-size rhodium (Rh)-based catalyst and preparation and application thereof. Specifically, the rhodium-based catalyst is prepared by adopting a coprecipitation method, precious metal Rh is highly dispersed on a ferric hydroxide carrier, the grain size of the Rh is less than 1nm, wherein Rh accounts for 0.2-5% of the catalyst in total mass. The catalyst disclosed by the invention adopts the elimination of trace CO in reformed hydrogen source such as fuel batteries as the application background, is suitable for water-vapor conversion and CO selected oxidizing reaction in a rich-hydrogen atmosphere, is capable of achieving water-vapor conversion reaction under 300 DEG C with the CO conversion rate being higher than 98%, and capable of completely converting the trace CO into CO2 in the rich-hydrogen atmosphere under the room temperature condition.

A hinged balance gate comprises a motor, a dual-head worm, a gate body, a door frame, a door seal and a worm gear which are matched. The gate is simple in structure and low in manufacturing cost, a key mechanism is used for offsetting resistance brought by the water flow, the energy consumption requirement of the gate is reduced, friction force during gate running is reduced, the service life of the gate is prolonged, the condition is created for solar energy drive, wireless passive water resource control is achieved, and intelligent irrigated area control and intelligent water resource irrigated area are facilitated.

The invention provides a process for preparing high-pressure medical oxygen. By the process, the oxygen has high concentration and low impurity content and does not contain toxic and harmful media, the whole process is low in energy consumption and danger, and process production equipment has low maintenance amount, is low in cost and occupies small area. The process sequentially comprises air impurity removal, compression, precooling and purification steps, and is characterized by comprising the following steps of: introducing the purified air into a main heat exchanger and a high-pressure oxygen wound-tube heat exchanger in two paths respectively; cooling to a saturation temperature, mixing and introducing into a tower bottom condensation evaporator of a rectifying column; performing phase-change heat exchange together with liquid oxygen, subcooling in a subcooler, rectifying on the top of the rectifying column, and thus obtaining the liquid oxygen at the bottom of the rectifying column; and boosting the liquid oxygen, exchanging heat with the purified air in the high-pressure oxygen wound-tube heat exchanger, vaporizing in a supercritical state, restoring to a normal temperature, discharging the oxygen from an ice chest, directly bottling, and thus obtaining the high-pressure medical oxygen.

The invention relates to a fixed-point observation device for adjusting a profile by changing self displacement buoyancy. A lower end of a liquid level measuring cabin is fixed on a mounting frame; anupper end is connected with an inner portion of an inner bag; an oil inlet of a plunger pump is connected with the inner portion of the liquid level measuring cabin through an oil discharging pipeline A; an oil discharge port is connected with one end of an oil discharge pipeline B; the other end of the oil discharging pipeline B is connected with one connector of a tee joint through a one-way valve, a second connector of the tee joint is connected with the inner portion of an outer oil bag, a third connector of the tee joint is connected with an oil inlet end of a self-holding electromagnetic valve through an oil return pipeline A, and the oil outlet end of the self-holding electromagnetic valve is connected with the inner portion of the liquid level measuring cabin through an oil returnpipeline B; and measuring equipment and a sliding device are arranged on a pressure-resistant cabin, a coupling module is arranged on the sliding device, and the coupling module is connected with thecoupling cable in a relative sliding manner. Buoyancy is changed by changing the displacement so that an observation platform floats upwards and dives downwards along the coupling cable, and data istransmitted to a data acquisition system through coupling transmission.

The invention discloses an air conditioner outdoor unit power source control circuit, an air conditioner and a control method. The air conditioner comprises an outdoor unit and a plurality of indoor units. The power source control circuit comprises a first branch circuit, a second branch circuit, a first on-off control circuit, a second on-off control circuit and a control unit, wherein the firstbranch circuit is used for enabling a firing line signal of the indoor unit to supply power to a switch power source to awaken the outdoor unit when any one of the multiple indoor units is started, one end of the second branch circuit is connected with a firing line, the other end of the second branch circuit is connected with the switch power source, the first on-off control circuit is used for controlling on and off of the first branch circuit, the second on-off control circuit is used for controlling on and off of the second branch circuit, and the control unit is used for controlling the second branch circuit to be on through the second on-off control circuit and the first branch circuit to be off through the first on-off control circuit so as to enable the outdoor unit to be powered on and work after the outdoor unit is awakened. The air conditioner outdoor unit power source control circuit can reduce the energy consumption of the outdoor unit and meet the requirement for the lowenergy consumption.

The invention relates to a continuous treatment device and a continuous treatment method which are suitable for high-flow meta-position aramid spinning bath lotion. According to the key point, the continuous treatment device consists of a bath lotion receiving tank, a bath lotion delivery pump, a static mixer, a bath lotion blending tank, a bath lotion filtering machine, a bath lotion storage tank and a bath lotion condition control device, and is characterized in that high-concentration bath lotion enters the receiving tank from spinning yarns, and is premixed with low-concentration bath lotion in the static mixer; and the premixed bath lotion is filtered by the centrifugal filtering machine, and the filtered bath lotion is mixed uniformly, subjected to heat exchange and metered, and enters a spinning system. The spinning bath lotion prepared by the method is stable in concentration and temperature and low in content of impurities, and can meet the requirements of a spinning process and stable production.

The invention relates to the field of lubricating oil, in particular to water-based environment-friendly rust-proof aluminum foil punching and shearing fluid and a preparation method thereof.The water-based environment-friendly rust-proof aluminum foil punching and shearing fluid is prepared from, by mass, 0.3%-1.5% of a lubricating agent, 0.2%-1.5% of a corrosion inhibitor, 0.1%-1% of an emulsifying agent, 0.05%-0.5% of a sterilizing agent, 0.2%-1% of a rust inhibitor, 0.1%-1% of a PH regulator, 0.001%-0.01% of a defoaming agent and the balance water. The deionized water is supplemented to 100%. The punching and shearing fluid is an energy-saving and environment-friendly aluminum foil processing fluid produced in a green manner, has the advantages of good lubricity, no VOC emission, safety in use by human bodies, certain cooling performance, low cost and mold protection, and especially has excellent antirust performance on cast iron, copper and aluminum metals.

The invention discloses a preparation method for the vapor phase inhibitor for a metal natural gas gathering and transporting pipeline, and relates to a vapor phase inhibitor and a preparation method of the vapor phase inhibitor. The problem that the conventional corrosion inhibitor can not perform corrosion inhibition on a pipeline for conveying oil gas with high CO2 content is solved. The method comprises the following steps of: 1. preparing the component A; and 2. mixing, namely adding the component B into the component A for uniform mixing, and standing the mixture at room temperature for certain time, so as to obtain the vapor phase inhibitor for the metal natural gas gathering and transporting pipeline. The method is mainly used for preparing the vapor phase inhibitor for the metal natural gas gathering and transporting pipeline.

The characteristic of one or more of the gas springs themselves used in a revolver cannon or breech cannon is adjusted while the system is in operation. This is done by a separate, self-contained system, which can adjust the gas spring from hard to soft, for example, and back to harder / hard and can thus adjust the characteristic of the gas spring without the loss of gas. In the simplest embodiment, this system has two additional elements, preferably a reserve tank and a connecting line that connects the reserve tank to the gas spring via a valve.

The invention provides a method for recovering lithium from low-lithium-content battery waste, most of lithium elements are in extraction raffinate of cobalt, manganese, nickel and other metal ions recovered by a wet method from the source of the battery waste, and due to the fact that the lithium content in the extraction raffinate is low (generally 1.5-2.0 g / L), low-cost recovery of lithium is achieved. And the problems of environmental pollution and resource waste caused by the fact that the recovery cost is high by adopting evaporation, concentration and crystallization means and the like on the residual lithium at present, or the residual lithium is not recovered and the tail water is directly discharged after being treated are solved.

The present invention belongs to the field of power supply control technology and provides a current loop communication and power supply control circuit of an air conditioner and an outdoor unit and a method thereof. According to the current loop communication and power supply control circuit, after the outdoor unit is powered, a current loop wake-up control module controls the second output end of a power supply circuit to output power supply such that the main controller and other load in the outdoor unit can be powered to work, when the air conditioner is shut down, the main controller controls the load in the outdoor unit to stop working, the current loop wake-up control module controls the second output end of the power supply circuit to stop outputting power supply, thus the power supply of the main controller and other load of the outdoor unit is cut, so the power consumption of the outdoor unit in standby is reduced, and the standby power of the air conditioner can be reduced to satisfy the requirement of low energy consumption.