31results about How to "Stable energy storage" patented technology

The invention relates to a micro-nano light trap honeycomb energy storage composite power generation device which comprises two types: a laser type micro-nano light trap honeycomb energy storage composite power generation device and a solar concentration type micro-nano light trap honeycomb energy storage composite power generation device, wherein the laser type micro-nano light trap honeycomb energy storage composite power generation device implements composite power generation by use of laser for wireless transmission of energy; the laser type micro-nano light trap honeycomb energy storage composite power generation device comprises a laser part, a micro-nano light trap honeycomb energy storage part, a thermal battery part, a thermal energy power generation part and an intelligent controller; and the micro-nano light trap honeycomb energy storage part can generate a light trap effect as well as absorb laser or solar concentration and store and convert the energy transmitted by laser or solar concentration, and can transmit and provide work energy to the thermal battery part and the thermal energy power generation part respectively in the daytime or at night. The device can outward output comprehensive electric quantity generated by thermophotovoltaic power generation and thermal energy power generation.

The invention provides a power storage type solar panel heat collector provided with a metal rolling fin, relating to the solar energy technical field, in particular to the solar energy heat collector capable of storing energy technical field. The solar panel heat collector comprises a transparent material layer, a phase-change material layer, a heat absorbing plate, a heat insulating material layer, a serpentuator and heat conducting metal, wherein, the heat absorbing plate is arranged under the transparent material layer, the phase-change material layer is arranged under the heat absorbing plate, the heat insulating material layer is arranged on the periphery of the transparent material layer, the phase-change layer and the heat absorbing plate, the serpentuator and the metal rolling fin are respectively arranged inside the phase-change layer. The power storage type solar panel heat collector fulfills the purpose of good energy storing effect, high energy storing efficiency and effectively increasing the phase-change and energy-storing speed.

The invention discloses a graphene-based high-voltage pulse thin-film capacitor. The capacitor is composed of more than one dielectric layer and more than one graphene electrode layer in an alternative laminating manner. The graphene electrode layer is composed of a metalized film and a graphene film which are connected with each other. According to the graphene-based high-voltage pulse thin-film capacitor, the graphene film is added on the surface of the capacitor electrode. An excellent surface heat conduction performance of the graphene film can be utilized for quickly transferring heat of electrodes between the capacitor layers out of the electrodes of the capacitor, thereby remarkably reducing heat accumulation of the electrodes in the capacitor, realizing temperature control and heat management to the electrodes in the capacitor, reducing electric field strength loss of the capacitor caused by temperature increase, stabilizing stored energy of the pulse capacitor, and realizing small size and high capacity of the capacitor.

The invention discloses an energy storage primary frequency modulation control method based on a dynamic droop coefficient and an SOC recovery base point. The method is characterized by dividing an energy storage frequency modulation process into a frequency modulation stage and an SOC recovery stage by taking a power grid frequency modulation dead zone as a segmentation boundary; at the frequencymodulation stage, using the SOC and the maximum frequency deviation as controlled variables to adaptively adjust the energy storage output depth so as to prevent the energy storage SOC from being saturated or exhausted; at the SOC recovery stage, adopting a dynamic SOC recovery base point adjustment method adapting to load changes, then designing an energy storage output determination method considering SOC recovery requirements and power grid bearing capacity, and finally designing a double-layer fuzzy controller to achieve the determination of a dynamic SOC base point value and an energy storage output value. The method has the advantages of being scientific, reasonable, being high in applicability, being capable of guaranteeing the frequency modulation effect and the state of the energy storage SOC, being capable of maintaining the long-term stable output of energy storage and the like.

The invention discloses a preparation method of a ceramic tile with energy storage and sound insulation functions and the ceramic tile. The preparation method of the ceramic tile with the energy storage and sound insulation functions comprises the following steps: preparing blank; mixing and homogenizing the blank; carrying out ball milling and pulping; removing iron and putting the blank into a tank and aging; drying to prepare powder; detecting the powder and aging; preparing blank; foaming a ceramic core-layer blank and carrying out primary pressing; attaching a surface layer and a bottom layer and pressing and molding; carrying out drying treatment; glazing and firing. By adopting the preparation method disclosed by the invention, the aim of enabling the ceramic tile to have the energy storage and sound insulation functions is realized, so that the comfort degree of an indoor environment is improved.

The invention discloses a binary low-eutectic hydrated salt phase-change material with high heat conductivity and a preparation method thereof and relates to an inorganic hydrated salt phase-change material and a preparation method thereof. The existing hydrated salt phase-change material with the phase-change temperature of about 30 DEG C has the defects of lower heat conductivity, high supercooling degree and phase layering in the use process, and is tedious in preparation process and complex in operation. The binary low-eutectic hydrated salt phase-change material is a solution with the following components in parts by weight: 23-26 parts of mirabilite, 70-75 parts of disodium hydrogen phosphate dodecahydrate, 0.5-1.5 parts of nucleating agent, 1-2.25 parts of surface active agent, 3-4.5 parts of multifunctional modifier and 1-2.25 parts of stabilizer. The preparation method is a process with the following steps: gradually mixing and dissolving mirabilite, disodium hydrogen phosphate dodecahydrate, the nucleating agent, the surface active agent, the multifunctional modifier and the stabilizer, and finally forming a binary low-eutectic hydrated salt phase-change solution with high heat conductivity. The invention is used in the technical field of material chemistry.

The invention discloses an energy storage auxiliary wind power primary frequency modulation control method based on a dynamic task coefficient. The control method is characterized in that an energy storage frequency modulation process is divided into an inertia response stage and a primary frequency modulation stage by taking a maximum frequency deviation as a boundary; in the inertia response stage, virtual inertia control and virtual droop control are adopted; in the primary frequency modulation stage, virtual droop control and virtual negative inertia control are adopted, then, dynamic task coefficient models suitable for the inertia response stage and the primary frequency modulation stage are respectively constructed based on a hyperbolic tangent function, according to a frequency deviation change rate and frequency deviation change, a frequency modulation task proportion borne by the virtual inertia control, virtual negative inertia control and virtual droop control in the primary frequency modulation process is dynamically adjusted, a negative inertia control adjustment coefficient is adjusted according to an energy storage charge state and the maximum frequency difference of the system, and frequency recovery is accelerated in a frequency recovery period; and on the basis of the virtual droop control, variable coefficient virtual droop control is provided, so that a droop coefficient adaptively changes along with the SOC. The method has the advantages of being scientific and reasonable, high in applicability, capable of guaranteeing the frequency modulation effect and the state of the SOC of energy storage and the like, and can maintain long-term stable output of the energy storage.

The invention relates to a low-impact energy storage pre-tightening hinge comprising a male hinge, a female hinge and an energy storage pre-tightening device, the male hinge and the female hinge are hinged through a rotating shaft assembly, the energy storage pre-tightening device is installed between the male hinge and the female hinge, the energy storage pre-tightening device comprises an energy storage part, a locking rod, a first check block and a second check block, and the energy storage part is connected between the first check block and the second check block; when the male hinge and the female hinge are in a folded state, the first check block is locked with the male hinge through a first elastic lock pin, and the second check block is locked with the locking rod through a second elastic lock pin. In the unfolding process of the male hinge and the female hinge, the female hinge abuts against one end of the locking rod and pushes the locking rod to move axially, and the locking rod drives the second check block to move towards the first check block and enables the energy storage part to store energy. When the male hinge and the female hinge are in an unfolded state, the female hinge and the locking rod are locked, the first check block and the male hinge are unlocked, the first check block and the locking rod are locked through the first elastic lock pin, the second check block and the locking rod are unlocked, and the second check block and the male hinge are locked through the second elastic lock pin.

The invention provides a chlorine-magnesium battery and an energy storage method thereof, and relates to the technical field of batteries. The chlorine-magnesium battery comprises a battery body, a chlorine gas circulation device and an electrolyte circulation device, wherein the battery body comprises a shell and a membrane assembly; the membrane assembly is arranged in the shell and partitions the shell into an anode area and a cathode area; a magnesium salt non-aqueous electrolyte is arranged in the shell; an anode plate for chlorine gas reaction is arranged in the anode area; a cathode plate is arranged in the cathode area; the anode area communicates with the chlorine gas circulation device; and the cathode area communicates with the electrolyte circulation device. The energy storage method of the chlorine-magnesium battery comprises the steps of electrically connecting a power generation device and the chlorine-magnesium battery and inputting an electrolyte into the chlorine-magnesium battery; and collecting a generated chlorine gas for cyclic utilization. The chlorine-magnesium battery belongs to a large power storage device and is mainly used for power storage equipment or a power station of an intermittent power generation device. The chlorine gas generated by the chlorine-magnesium battery in the working process and the electrolyte can be collected for cyclic utilization through the chlorine gas circulation device and the electrolyte circulation device.

The invention provides a lithium-chlorine battery and an energy storage method thereof, and relates to the technical field of the batteries. The lithium-chlorine battery comprises a battery body, a chlorine circulation device and an electrolyte solution circulation device, the battery body comprises a shell and a membrane component, the membrane component is arranged in the shell, the shell is divided into a positive electrode area and a negative electrode, a lithium salt non-aqueous electrolyte solution is arranged in the shell, a positive electrode board for chlorine reaction is arranged in the positive electrode area, a negative electrode board is arranged in the negative electrode area, the positive electrode area is communicated with the chlorine circulation device, the negative electrode area is communicated with electrolyte solution circulation device. The energy storage method of the lithium-chlorine battery includes the steps: electrically connecting a power generation device with the lithium-chlorine battery, inputting electrolyte solution into the lithium-chlorine battery; collecting generated chlorine to circularly be used. The lithium-chlorine battery belongs to a large-scale power storage device and is used for power storage devices of power station of intermittent power generation devices, the chlorine and the electrolyte solution generated in the working process of the lithium-chlorine battery can be collected by the chlorine circulation device and the electrolyte solution circulation device and are recycled.

The invention discloses a sodium ion battery energy storage process and device, and relates to the technical field of sodium batteries. The sodium ion battery energy storage process comprises the following specific steps: 1, placing a sodium ion battery in an energy storage machine, and electrically connecting the energy storage machine with the sodium ion battery; 2, an energy storage machine detecting the state of each sodium ion battery, if the voltage of the sodium ion battery is lower than a pre-energy-storage voltage threshold value, the energy storage machine pre-storing energy of the sodium ion battery, the pre-energy-storage current being 400-490 mA / min, the pre-charging time being 13-18 min, the energy storage machine performing cyclic heating treatment, and the temperature in the energy storage machine being controlled to 38-46 DEG C. According to the method, the pre-energy-storage sodium ion battery is heated, so that the activity of the sodium ion battery is improved, the speed of entering an energy-storage balance point is accelerated, and the sodium ion battery can quickly reach the balance point; cooling treatment is carried out in the balanced energy storage stage, so that the sodium-ion battery is cooled to a stable state, potential safety hazards during energy storage of the sodium-ion battery are avoided, and the sodium-ion battery with large weight can be conveniently assembled and disassembled and can be conveniently assembled and disassembled in an energy storage machine.

The present invention relates to a spring operating mechanism closing spring residual energy absorption device and an operating principle thereof which are designed aiming at the technical problems that closing springs are poor in energy storage stability and is irregular in swing angle in the similar products to cause that the closing residual energy is difficult to be absorbed and the closing isdifficult to arrive at a normal position. Closing springs are arranged at the outer diameter of a closing spring seat of the device, and two ends of the closing spring seat are respectively connectedwith a fixed hanging spring shaft and an energy storage connecting lever. A guide plate and a buffer sleeve of the closing spring seat are combined through elastic cylindrical pins to form an integrated body, the closing springs at two ends of the guide plate are spaced at the spring seat, the spring seat is internally provided with a rolling sleeve and a guide roller, a spring seat at the rolling sleeve end and the guide plate are connected with the fixed hanging spring shaft, the spring seat at the guide roller end and the guide plate are connected with one end of the energy storage connecting lever, the guide plate at this end is provided with a buffer hole, the buffer sleeve is located at the guide plate close to one side of a tube sleeve, the closing springs take the other end of theenergy storage connecting lever as rotation centers to perform swing to achieve stretching.

The invention relates to an amorphous magnetic core fixing and regulating device of a new energy energy-storing inductor. The device comprises a stainless steel clip and a regulating device. The lower part of the stainless steel clip is provided with a large U-shaped clip, the inner end of the upper part of the stainless steel clip is provided with two reverse small U-shaped slots. The regulating device comprises a clamp splice (1), a clamp splice (2) and two adjusting screws. The upper side of the clamp splice (1) is provided with an upper clip mounting slot (1), the lower side thereof is provided with a lower clip mounting slot (1), the two ends of the clamp splice (1) are respectively provided with through holes, the upper side of the clamp splice (2) is provided with an upper clip mounting slot (2), the lower side thereof is provided with a lower clip mounting slot (2), the two ends of the clamp splice (2) are respectively provided with screw holes, the clamp splice (1) and the clamp splice (2) are respectively arranged in the two reverse small U-shaped slots at the upper part of the stainless steel clip and are located by the upper and lower clip mounting slots of the two clamp splices, the two adjusting screws are respectively arranged in the screw hole of the clamp splice (2) by the through holes of the clamp splice (1).

The invention relates to a series compensation spark gap triggering energy acquiring system and method. According to the system and method, a current transformer and a spark gap which are connected through a shield cable trigger a transformer, a charging circuit and a monitoring circuit which are sequentially connected in a control box to acquire triggering energy of the spark gap on a series compensation platform. Meanwhile, the invention provides a high-reliability implementation circuit.

The invention relates to a low-impact energy storage pretensioning hinge, which includes a male hinge, a female hinge and an energy storage pretensioning device. The male hinge and the female hinge are hinged through a rotary shaft assembly, and the energy storage pretensioning device is installed between the male hinge and the female hinge. Between, the energy storage pretensioning device includes an energy storage part, a locking lever, a first stopper and a second stopper, and the energy storage part is connected between the first stopper and the second stopper; wherein, the male hinge and the female hinge are closed state, the first stopper is locked with the male hinge through the first elastic lock pin, and the second stopper is locked with the locking rod through the second elastic lock pin; during the unfolding process of the male hinge and the female hinge, the female hinge abuts against one end of the locking rod And push the locking rod to move axially, the locking rod drives the second block to move to the first block and store energy in the energy storage part; when the male hinge and the female hinge are unfolded, the female hinge is locked with the locking rod, and the first stop The male hinge is unlocked, the first stopper is locked with the locking rod through the first elastic lock pin, the second stopper is unlocked with the locking rod, and the second stopper is locked with the male hinge through the second elastic lock pin.

The invention discloses a permanent magnet synchronous motor control method for mechanical elastic energy storage based on incremental backstepping control. According to the technical scheme, the method comprises: firstly, establishing a mechanical elastic energy storage system mathematical model with a PMSM as a driving mechanism and a volute spiral spring as a load; then, introducing virtual control quantity q-axis current and d-axis current, obtaining q-axis voltage uq and d-axis voltage ud of an increment controller by adopting a backstepping design method and an increment control principle, and achieving control over the permanent magnet synchronous motor; and finally, determining the parameter value range of the incremental backstepping controller, and verifying the accuracy of the algorithm by using a simulation experiment. Compared with a back-stepping control algorithm, the method has the advantages that the robustness is high, the tracking speed of reference signals is higher, the dynamic performance is better, and stable energy storage of the mechanical elastic energy storage system is achieved.

The invention relates to a mechanical elastic energy storage PMSM (Permanent Magnet Synchronous Generator) parameter adaptive speed control method. A mechanical model of a mechanical elastic energy storage system composed of a mechanical elastic energy storage box, a PMSG and an inverter connected in sequence is built. With speed and stator current as virtual control variables and based on the back-stepping id=0 vector control and the torque and moment of inertia adaptive control law, a voltage controller is designed, and a stator voltage equation under a d-q coordinate system is obtained. Then, the inverter drives a PMSM to run under control. The control scheme can ensure that the energy storage system has good static and dynamic performance and strong anti-interference ability.

The invention discloses a vacuum circuit breaker spring mechanism energy storage transmission and clutch system which comprises a main frame, the main frame comprises a left side plate and a right side plate, a plurality of side plate supporting rods are installed between the left side plate and the right side plate, an energy storage assembly and a clutch assembly are installed in the main frame, and the energy storage assembly is connected with the clutch assembly through a transmission assembly. The energy storage assembly is connected with an energy storage motor installed on the outer wall of the right side plate, the clutch assembly is connected with an energy storage shaft penetrating through the left side plate and the right side plate, and a clutch pin is arranged on the outer side of the clutch assembly. A cam is installed on the right end portion of the energy storage shaft, and an energy storage maintaining latch fixed to the right side plate is arranged on one side of the cam. According to the system, the transmission shaft, the transmission assembly and the clutch assembly are driven by the motor to rotate for energy storage, the transmission assembly and the clutch assembly are simple, scientific and reasonable in structure, parts are reduced, the part machining and assembling difficulty is lowered, and the production cost is effectively saved.

The present invention relates to a spring operating mechanism closing spring residual energy absorption device and an operating principle thereof which are designed aiming at the technical problems that closing springs are poor in energy storage stability and is irregular in swing angle in the similar products to cause that the closing residual energy is difficult to be absorbed and the closing isdifficult to arrive at a normal position. Closing springs are arranged at the outer diameter of a closing spring seat of the device, and two ends of the closing spring seat are respectively connectedwith a fixed hanging spring shaft and an energy storage connecting lever. A guide plate and a buffer sleeve of the closing spring seat are combined through elastic cylindrical pins to form an integrated body, the closing springs at two ends of the guide plate are spaced at the spring seat, the spring seat is internally provided with a rolling sleeve and a guide roller, a spring seat at the rolling sleeve end and the guide plate are connected with the fixed hanging spring shaft, the spring seat at the guide roller end and the guide plate are connected with one end of the energy storage connecting lever, the guide plate at this end is provided with a buffer hole, the buffer sleeve is located at the guide plate close to one side of a tube sleeve, the closing springs take the other end of theenergy storage connecting lever as rotation centers to perform swing to achieve stretching.

The invention relates to a micro-nano light trap honeycomb energy storage composite power generation device which comprises two types: a laser type micro-nano light trap honeycomb energy storage composite power generation device and a solar concentration type micro-nano light trap honeycomb energy storage composite power generation device, wherein the laser type micro-nano light trap honeycomb energy storage composite power generation device implements composite power generation by use of laser for wireless transmission of energy; the laser type micro-nano light trap honeycomb energy storage composite power generation device comprises a laser part, a micro-nano light trap honeycomb energy storage part, a thermal battery part, a thermal energy power generation part and an intelligent controller; and the micro-nano light trap honeycomb energy storage part can generate a light trap effect as well as absorb laser or solar concentration and store and convert the energy transmitted by laser or solar concentration, and can transmit and provide work energy to the thermal battery part and the thermal energy power generation part respectively in the daytime or at night. The device can outward output comprehensive electric quantity generated by thermophotovoltaic power generation and thermal energy power generation.

An operating system of a vacuum circuit breaker. The whole operating system includes a framework, a rotating main shaft, an energy storage mechanism, a switching-on mechanism, a switching-on transmission mechanism, a switching-off transmission mechanism and a switching-off mechanism which are matched and connected, all the parts can be mounted in advance, the structure is simple, and assembling is more convenient; switching-on energy storage maintenance is realized through limiting cooperation of a locating pin, a switching-on pawl and an eccentric locating shaft, compared with existing cooperation of a switching-on half shaft and a switching-on rotating pawl, the structure is simpler, and energy storage maintenance is more stable; a d the switching-off pawl is designed to be a cross structure, original rotating swing arm, switching-off half shaft and switching-off rotating pawl are replaced, the structure is simpler, a switching-off driving structure, a limiting structure and a switching-off crank arm are arranged in the periphery of the switching-off pawl and are matched with four ends of the switching-off pawl, the layout is more reasonable, and assembling is simpler.

Provided is an internal combustion hybrid power filtering energy-storage-type generator. The generator has the advantages that an internal combustion machine is started in a manually pulling mode or in an electric starting mode, air in an exhaust pipe of the internal combustion machine is exhausted, recycled, catalyzed, and filtered to achieve heat energy circulating combustion supporting. Water is electrolyzed and filtered and diluted by means of a direct current electromagnetic wave to produce hydrogen and oxygen to form electrolytic water mixing fuel to be supplied to an internal combustion machine for supporting combustion. A backswing driven plate plays an important role in power stabilization, balancing and reinforcement of the internal combustion machine. The backswing driven plate, a strong magnetism generator A and a strong magnetism generator B are in soft connection through belts. Sound attenuation, seismic resistance and heat insulation functions are greatly improved in the utilization process. Due to matched utilization of the strong magnetism generator A, the strong magnetism generator B and a filtering device, excessively strong magnetic waves are greatly reduced, meanwhile, and the system outputs stable electromagnetic waves and improves working efficiency of the internal combustion machine due to the fact that hydrogen and oxygen substances obtained in a hydrogen and oxygen production system in the water and carbon diluting process are fed back to the internal combustion machine to be combusted. The stable electromagnetic waves after being processed are guided into a novel spiral solid capacitor-type battery which is long in service life and stable in working performance to be stored, and energy storage efficiency is improved. Due to combination and matched utilization of an internal combustion device, a hybrid device, a filtering device and an energy storage device, power of the internal combustion machine is greatly improved, the energy storage efficiency is greatly improved, and meanwhile the generator has the advantages of being efficient, low-carbon, environment-friendly, energy-saving and practical.

The invention discloses a power loss recycling device. The power loss recycling device comprises a driving device and an energy storing device. The driving device comprises a power gear I, a primary drive shaft, a shifting slide gear II, a gear III, a gear IV and a gear V. The energy storing device comprises a secondary drive shaft, a gear VI, a gear VII, a roller, a rolling-sheet-type spring and a braking pad. The driving device cooperates with the energy storing device to transmit kinetic energy. By the aid of transmission among gears and power storage and release of the rolling-sheet-type spring, mutual transformation between kinetic energy and elastic potential energy can be realized; when motor vehicles need to be slowed down or stopped, kinetic energy of the running motor vehicles can be transformed into elastic potential energy to be stored; and elastic potential energy can be used when motor vehicles are started or sped up, so that energy conservation can be achieved and security assurance can be improved.

The invention discloses a cold and head energy accumulator. The cold and head energy accumulator comprises an energy accumulating box; a piston is arranged on the inner side wall of the energy accumulating box; a sealing cover is fixedly arranged on the energy accumulating box; a gas inlet hole is formed in the sealing cover; a buffer device is arranged on the sealing cover; and a stable energy accumulating device is arranged in the energy accumulating box. The cold and head energy accumulator has the advantages that the buffer device is arranged on the sealing cover, the piston does not directly collided to the sealing cover, but collides to a cushion when rebounding, and a telescopic rod cooperates with a buffer spring to buffer an impact force, so loss of the sealing cover and the piston is reduced and the service life of equipment is prolonged; and the piston compresses an energy accumulating spring to accumulate energy and the energy accumulating spring is arranged on a guide rodin a sleeving way, so offset is avoided, energy is accumulated stably, cooperation of hydraulic oil and the piston is replaced and limitation of a mounting position is removed.

The invention provides a lithium-chlorine battery and an energy storage method thereof, and relates to the technical field of the batteries. The lithium-chlorine battery comprises a battery body, a chlorine circulation device and an electrolyte solution circulation device, the battery body comprises a shell and a membrane component, the membrane component is arranged in the shell, the shell is divided into a positive electrode area and a negative electrode, a lithium salt non-aqueous electrolyte solution is arranged in the shell, a positive electrode board for chlorine reaction is arranged in the positive electrode area, a negative electrode board is arranged in the negative electrode area, the positive electrode area is communicated with the chlorine circulation device, the negative electrode area is communicated with electrolyte solution circulation device. The energy storage method of the lithium-chlorine battery includes the steps: electrically connecting a power generation device with the lithium-chlorine battery, inputting electrolyte solution into the lithium-chlorine battery; collecting generated chlorine to circularly be used. The lithium-chlorine battery belongs to a large-scale power storage device and is used for power storage devices of power station of intermittent power generation devices, the chlorine and the electrolyte solution generated in the working process of the lithium-chlorine battery can be collected by the chlorine circulation device and the electrolyte solution circulation device and are recycled.

The invention discloses an energy storage primary frequency modulation control method based on a dynamic droop coefficient and an SOC recovery base point, which is characterized in that the energy storage frequency modulation process is divided into a frequency modulation phase and an SOC recovery phase by taking the power grid frequency modulation dead zone as a division boundary. In the frequency modulation stage, the SOC and the maximum frequency deviation are used as the control amount to adaptively adjust the output depth of the energy storage to prevent the saturation or depletion of the energy storage SOC; Considering the energy storage output determination method of SOC restoration demand and grid capacity, a double-layer fuzzy controller is finally designed to realize dynamic SOC base point value and energy storage output value determination. It is scientific and reasonable, and has strong applicability. It can not only ensure the frequency modulation effect, but also ensure the state of the energy storage SOC, and can maintain the long-term stable output of the energy storage.

The invention relates to the field of air conditioners, in particular to a power saving device for energy storage and energy conversion of an air conditioner. When the power saving device works, hot air or cold air in a room is directly transmitted into an energy conversion pipe, buried on the bottom, of the power saving device for energy storage and energy conversion by means of a compressor through hot media and cold media in an indoor unit, so that heat exchange is conducted between the cold air or hot air and heat-conducting media and water containing soil, stone and sand in a heat-conducting pipe, and energy is stored. The power saving device for energy storage and energy conversion of the air conditioner has the advantages that the structure is simple, cost is low, the energy storage capacity is high, stability is guaranteed, the energy conversion effect is god, the power saving rate can reach over 70%, cold energy is stored in winter, heat energy is stored in summer, cold energy stored in winter can be used in summer, heat energy stored in summer can be used in winter, environment pollution is avoided, no water is consumed, groundwater resources are protected easily, the environment is optimized for humans, and a novel method for energy conservation and emission reduction is provided.

The invention discloses a novel storage battery stable in energy storage. The novel storage battery comprises a shell, a film and an insulation cushion, wherein a cooling plate is fixedly arranged onan outer surface of a lower end of the shell, an upper cover is fixedly arranged in the center of an outer surface of an upper end of the shell, a groove is fixedly formed in an outer surface of one side of the upper cover, a charging interface is arranged in the center of an outer surface of the front end of the shell, and the charging interface is fixedly arranged on an outer surface of a frontend of the shell by the film. In the novel storage battery stable in energy storage, the shell, the cooling plate and a separator are arranged, the novel storage battery can be prevented from being interfered by an external temperature during idling, so that the storage energy is stable in energy storage, heat during working of the storage battery can be absorbed, the storage battery is enabled tonormally run under a normal temperature, the stored electric quantity of the storage battery is stabilized, the ion circulation speed of an electrolyte during working of the storage battery also canbe accelerated, and a better application prospect is brought.

A high thermal conductivity binary low eutectic hydrated salt phase change material and a preparation method thereof, which relate to an inorganic hydrated salt phase change material and a preparation method thereof. The existing hydrated salt phase change material with a phase change temperature of about 30°C has the disadvantages of low thermal conductivity, high degree of supercooling and phase separation during use. The preparation process of the phase change material is cumbersome and the operation is complicated. According to parts by weight, the present invention is composed of 23-26 parts of Glauber's salt, 70-75 parts of disodium hydrogen phosphate dodecahydrate, 0.5-1.5 parts of nucleating agent, 1-2.25 parts of surfactant, 3-4.5 parts A solution composed of a multifunctional modifier and 1-2.25 parts of a stabilizer. The preparation method in the present invention is to mix and dissolve Glauber's salt, disodium hydrogen phosphate dodecahydrate, nucleating agent, surfactant, multifunctional modifier and stabilizer one by one according to the ratio of parts by weight, and finally form a high thermal conductivity binary low Process of eutectic hydrated salt phase transition solutions. The invention is used in the technical field of material chemistry.