67results about How to "Optimum temperature range" patented technology

The invention belongs to the field of electric vehicle power battery systems, and discloses a power battery thermal management control method. The power battery thermal management control method comprises the steps that: a vehicle control unit judges the use condition of a vehicle, and when the use condition of the vehicle is a driving state, the whole vehicle thermal management working conditionis detected; a battery management system sends a cooling / heating request signal of a power battery to the vehicle control unit and an air conditioner controller; the vehicle control unit judges whether a cooling / heating request target with a priority higher than that of the power battery exists in the whole vehicle thermal management working condition or not, if yes, the vehicle control unit sendsa request signal of the target to the air conditioner controller, and the air conditioner controller preferentially responds to the cooling / heating request of the target; and if not, the vehicle control unit controls the air conditioner controller to respond to the cooling / heating request of the power battery. According to the power battery thermal management control method, the problem of contradiction between passenger comfort and endurance mileage anxiety can be relieved based on different vehicle working conditions, and the power battery can be guaranteed to be in an optimal charging anddischarging temperature range.

The invention discloses a power battery module temperature control system for a new energy coach, which comprises a battery module, wherein the battery module is connected with a battery management controller through a temperature collecting wire; a battery inlet air guide hood is fixed on one side of the battery module in a sleeving manner; a battery outlet air guide hood is fixed on the other side of the battery module in a sleeving manner; a heating panel and a vortex pipe are fixed at the inlet of the battery inlet air guide hood; a vortex pipe is sequentially connected with a blast pump and a motor through a corresponding electromagnetic valve. According to the power battery module temperature control system for the new energy coach, based on the integral heat management and control of the whole coach, the compressed gas output from the blast pump and motor cooling water heat in the moving coach are mixed as an energy source; the cold gas and hot gas are provided for the battery through the vortex pipe and the heating panel; the temperature control of battery module is realized; the requirement that the battery can work in an optimal temperature range in a cold winter and in a hot summer is satisfied.

A high-carbon steel rod on-line aging high-speed production method belongs to the technical field of high speed steel rolling, and the process includes the following steps: 3-5 water tanks are adopted for water cooling after finish rolling, wherein the cooling temperature of each water tank is controlled to be 20-25 DEG C, and the spinning temperature is controlled to be 900-910 DEG C; the cooling rate for steel rods after spinning is controlled to be 11.5-12 DEG C / s; the temperature for the rods entering a heat insulating cover is 550-570 DEG C, and the rate of a roller bed inside the heat insulating cover is controlled to be 0.3-0.4 m / s; the length of the heat insulating cover is 32-35 m, and the holding time of the heat insulating cover is controlled to be 80-100 s. The high-carbon steel rod on-line aging high-speed production method has the advantages that based on all factors influencing the aging of high-carbon steel rods, the primary cause influencing the aging is analyzed; the thermal stress of the water cooling process is reduced, so that the holding time of the heat insulating cover is controlled and prolonged, the optimal temperature interval is controlled, and stabilization and maximum separation of C, N and other interstitial atoms are realized, and structural stress is eliminated, therefore, the on-line aging of high-carbon steel rods is truly realized.

The invention relates to the technical field of air conditioning, and specifically relates to a heat storage control method of an air conditioner. The invention aims at solving the problems of low control precision and poor user experience of the existing preheating scheme. The heat storage control method includes the the steps that when a predicted time point is reached, a probability score of starting a heating mode at the next predicted start moment is calculated on the basis of a pre-established scoring system; when the probability score is larger than a set threshold value, the predictedstart moment is corrected on the basis of the time correction parameter; the heat storage time is determined on the basis of the outdoor environment temperature; the heat storage start moment is calculated on the basis of the corrected predicted start moment and the heat storage time; when the heat storage start moment is reached, the heat storage frequency of a compressor is determined on the basis of the outdoor environment temperature; and the compressor is controlled to operate at the heat storage frequency, and the outdoor fan is controlled to operate. By means of the heat storage controlmethod, the service life of the compressor can be prolonged, the control precision of the heat storage process of the air conditioner can be substantially improved, and user experience can be improved.

The invention relates to the technical field of air conditioning, in particular to a heat storage control method for an air conditioner. The control method aims to solve the problems of low control precision and poor user experience in an existing advanced preheating scheme. For this purpose, the heat storage control method comprises the steps that a preset startup moment of the air conditioner isobtained; the preset startup moment is corrected based on time correction parameters; based on outdoor environment temperature, the heat storage time of the air conditioner is determined; based on the corrected preset startup time and the heat storage time, the heat storage starting moment of the air conditioner is calculated; when the heat storage starting moment is reached, the heat storage frequency of a compressor is determined based on the outdoor environment temperature; the compressor is controlled to operate at the heat storage frequency; and when, before or after the compressor starts to operate, an outdoor fan is controlled to operate. By means of the control mode, the heat storage control method can prolong the service life of the compressor, greatly improve the control precision of the heat storage process of the air conditioner and improve the user experience.

The invention relates to a fully closed liquid-cooled battery pack which comprises an outer box body, a plurality of batteries and a control unit, wherein an inner heat exchanger is clamped between every two batteries, the inner heat exchangers are plate type, each inner heat exchanger comprises a plurality of heat exchanger pipelines, air holes of the heat exchanger and two heat exchanger contact panels, the air holes of each heat exchanger and the corresponding heat exchanger pipelines are horizontally arranged at intervals, a diversion cover is arranged at one end of each inner heat exchanger, where the air holes of the heat exchanger are located, and a fan is arranged on each diversion cover; the heat exchanger pipelines on each inner heat exchanger are connected in series and have one inlet and one outlet; the inlets and the outlets of the heat exchanger pipelines of all the inner heat exchangers are connected in parallel, the inlets are connected with an outer heat exchanger outside the box body, the outlets are connected with a liquid storage tank, and the liquid storage tank is connected with the outer heat exchanger through a liquid circulating pump. The fully closed liquid-cooled battery pack can realize the temperature control of the battery pack under the fully closed state, ensure that the battery pack works in the optimal temperature range, and simultaneously ensure the fully closed performance of the battery pack, thereby being an optimal battery placement scheme of electric vehicles.

The invention relates to the technical field of air conditioning, in particular to a heat storage mode control method for an air conditioner. The control method aims to solve the problems of short compressor service life and large coil temperature fluctuation in a preheating scheme. The heat storage mode control method comprises the steps that a probability score of starting a heating mode at a next predicted startup moment is calculated based on a scoring system; when the probability score is higher than a set threshold, the heat storage time of the air conditioner is determined based on outdoor environment temperature; a heat storage starting moment is calculated based on the predicted startup moment and the heat storage time; when the heat storage starting moment is reached, a compressor and an outdoor fan are controlled to operate; first coil temperature of an indoor heat exchanger is detected; when the first coil temperature is higher than first preset coil pipe temperature, second coil temperature of the indoor heat exchanger is detected at the interval of set time and compared with the first preset coil temperature; and the operating frequency of the compressor and the opening and closing of the outdoor fan are adjusted based on the judgment result. According to the control method, the service life of the compressor can be prolonged, and the fluctuation of the coil temperature can be reduced.

The invention relates to the technical field of air conditioning, in particular to a method for controlling heat storage of an air conditioner. The present invention aims to solve the problems of low control precision and poor user experience in the existing preheating scheme in advance. For this purpose, the heat storage control method of the present invention includes: obtaining the preset start-up time of the air conditioner; modifying the preset start-up time based on the time correction parameter; determining the heat storage time of the air conditioner based on the outdoor ambient temperature; Preset the start-up time and heat storage time, and calculate the heat storage start time of the air conditioner; when the heat storage start time is reached, determine the heat storage frequency of the compressor based on the outdoor ambient temperature; control the compressor to run at the heat storage frequency; Control the outdoor fan to run at the same time, before or after the machine starts running. Through the above control method, the heat storage control method of the present invention can increase the life of the compressor, greatly improve the control accuracy of the heat storage process of the air conditioner, and improve user experience.

The invention relates to the technical field of air conditioning, in particular to a heat storage control method of an air conditioner. The invention aims to solve the problems of low control precision and poor user experience of existing preheating schemes. In order to achieve the purpose, the heat storage control method includes the following steps that the preset starting moment of the air conditioner is obtained; on the basis of the outdoor environment temperature, the heat storage time of the air conditioner is determined; on the basis of the preset starting moment and the heat storage time, the heat storage starting time of the air conditioner is calculated; when the heat storage starting moment is reached, the heat storage frequency of the compressor is determined on the basis of the outdoor environment temperature; the compressor is controlled to operate at the heat storage frequency; and when, before or after the compressor starts to operate, an outdoor fan is controlled to operate. By means of the control manner, according to the heat storage control method, the life of the compressor can be prolonged, the control precision of the heat storage process of the air conditioner can be substantially improved, and the user experience can be improved.

The invention provides a method for coating the inner wall of an atomic gas chamber for slowing down the relaxation of atomic spins. The method firstly uses rubidium atom vapor to fill the atomic gas chamber, and then passes through a hydride solid gas release agent (such as titanium hydride, calcium hydride, etc.) Release hydrogen gas with a pressure of 10Torr to 100Torr into the atomic gas chamber, and keep it at a temperature of 50°C to 150°C for tens to hundreds of hours. A layer of rubidium hydride film will be attached to the inner wall of the atomic gas chamber, and finally the residual hydrogen in the gas chamber will be evacuated , to end the coating process, the present invention uses a solid gas release agent to generate hydrogen in the above coating process, compared with the traditional use of high-pressure hydrogen cylinders as a hydrogen source, it improves the process safety of rubidium hydride coating on the inner wall of the atomic gas, and the hydrogenation After rubidium coating, the residual hydrogen in the gas chamber is evacuated, which is beneficial to improve the stability of the performance of the atomic gas chamber compared with directly sealing the hydrogen in the gas chamber.

The invention relates to the technical field of air conditioning, in particular to a method for controlling heat storage of an air conditioner. The present invention aims to solve the problems of low control precision and poor user experience in the existing preheating scheme in advance. The thermal storage control method of the present invention includes: when the predicted time point is reached, based on the pre-established scoring system, calculating the probability score of turning on the heating mode at the next predicted start-up time; when the probability score is greater than the set threshold, the time-based correction parameter Correct the predicted start-up time; calculate the heat storage start time based on the corrected predicted start-up time and the preset heat storage time; when the heat storage start time is reached, determine the heat storage frequency of the compressor based on the outdoor ambient temperature; control the compressor to The heat storage frequency operates and controls the operation of the outdoor fan. Through the above control method, the heat storage control method of the present invention can increase the life of the compressor, greatly improve the control accuracy of the heat storage process of the air conditioner, and improve user experience.

A battery is assembled from cells arranged along an axis. The cells have end faces parallel to the line and first and second sides perpendicular to the faces. The first side of a first cell contacts the second side of a second cell. A sealed piping circuit includes a first heat exchanger in contact with, and spanning, the end faces and a second heat exchanger in fluid communication with the first heat exchanger for heat transfer between the heat exchangers.

The invention relates to the technical field of air conditioning, and specifically relates to a heat storage control method of an air conditioner. The invention aims at solving the problems of low control precision and poor user experience of the existing preheating scheme. In order to achieve the aim, the heat storage control method includes the steps that the preset start moment of the air conditioner is obtained; the preset start moment is corrected on the basis of the time correction parameter; based on the corrected preset start moment and the preset heat storage time, the heat storage start moment of the air conditioner is calculated; when the heat storage start moment is reached, the heat storage frequency of a compressor is determined on the basis of the outdoor environment temperature; the compressor is controlled to operate at the heat storage frequency; and when, before or after the compressor starts to operate, an outdoor fan is controlled to operate. By means of the control manner, through the heat storage control method, the service life of the compressor can be prolonged, the control precision of the heat storage process of the air conditioner can be substantially improved, and the user experience can be improved.