575results about How to "Affect life" patented technology

The invention provides a motor overheat protection method and device. The method comprises the following steps of: detecting the working current of a motor in real time; comparing the working current with the preset current threshold; timing the time of the working current greater than the current threshold when the working current is greater than the current threshold; comparing the timed time value with the preset time value; and stopping running the motor when the timed time value meets the preset time value. The motor overheat protection method and device provided by the invention can rapidly determine the overheat of the motor when the time of the current of the motor greater than the time of the current threshold meets the preset time value, and can perform the overheat protection for the motor and stop running the motor, and the performances and the service life of the motor can be prevented from being influenced by overheat.

The invention provides a high-voltage high-power storage battery protection system, which is characterized by comprising a battery management control module, and a temperature control module, a smoke detection control module, an upper management system and a plurality of fire extinguishing devices which are respectively connected with the battery management control module through a circuit, wherein an input end of the temperature control module is connected with a plurality of temperature sensing devices through a circuit; and an input end of the smoke detection control module is connected with a plurality of smoke detection device through a circuit. By performing multi-point temperature monitoring on the storage battery, the high-voltage high-power storage battery protection system takes mean temperature as charging management of charging reference and simultaneously solves the problems of over-temperature and fire breakout of the storage battery through the temperature detection and smoke detection control in the using process, and the fire extinguishing devices are also arranged to effectively inhibit and prevent fire spreading after the storage battery is on fire.

Method for preparing the disclosed fuel cell includes steps: (1) using porous stainless steel as supportor; depositing porous anodal thin film, compact solid electrolyte film, and reaction barrier layer in sequence on the supportor to be as half cell; carrying out sintering under reducing atmosphere or inert atmosphere; (2) cooling after sintering, depositing active layer of cathode and contact layer of cathode on solid electrolyte film right along; carrying out sintering under air atmosphere so as to obtain cell; (3) dipping reforming catalyst for supportor of porous stainless steel so as to obtain fuel cell. Through the supportor, various fuel gases reformed to anodic gas rich in hydrogen enters into anode to carry out electrochemical reaction.

The invention discloses one high emission rate infrared flexible heating element, which comprises heat conductive isolation distribution layer, heat melt glue network film A, electrode, heating part, heat melt glue film B and isolation layer with each parts combined into one part by glue and sealing types. The invention also discloses the heating element main process and property and its process method.

The invention discloses a turbidity sensor and a water body turbidity on-line detection method. The turbidity sensor is of a special structure; the phenomena that the turbidity detection accuracy is influenced by attaching pollutants in a water body on a transmitting lens is possibly avoided; the condensation water mist on the transmitting lens is prevented by virtue of heating so as to eliminate the influence of the mist of the transmitting lens on detection; scattered light of the water body is acquired by an annular photovoltaic conversion device in 360 degrees, so that the effective received quantity of the scattered light is increased to the maximum extent; and the signal of an operation amplifying device is not needed to be amplified to guarantee the stability and reliability of the turbidity sensor. By utilizing the water body turbidity on-line detection method of the turbidity sensor, output voltage values, acquired for many times of a photovoltaic conversion device, are used and a processing mode that the average value is taken is adopted; modes of heating and light control are combined during the detection process every time, so that the detection error caused by the mist of the transmitting lens and the unstable light sources is eliminated, and the turbidity detection accuracy is further guaranteed.

The invention relates to a steam sterilizing process for the disinfection of medical appliances in hospital, and the steam sterilizer employing the steam sterilizing process, which comprises the steps of vacuumizing, preheating, sterilizing and cooling down. The steam sterilizer comprises a steam sterilizing box, a valve group, an air filter, a steam generator, a vacuum pump and an automatic control system.

The plant frame includes flower pot trays and an upright. The upright has water draining cavity, and each flower pot tray connected to the upright has water seeping structure and guide cavity in the bottom communicated to the water draining cavity. Owing to the said water draining structure, the plant frame is always in clean condition. In addition, the flower pot trays may be turned around the upright, and this ensures convenient watering and compromised irradiation of the plants.

The invention discloses a display device. The display device comprises a display screen, a fingerprint identification module and an induction member, wherein the fingerprint identification module is arranged on the display screen, the fingerprint identification module has a fingerprint contact surface, a pixel structure of the display screen has multiple pixel units used for displaying the display screen and multiple standby pixels used for emitting identification light for to-be-identified fingerprint, gaps are arranged between adjacent pixel units, the multiple standby pixels are respectively arranged in the multiple gaps, and the induction member is electrically connected with the display screen to make the standby pixels emit light when the to-be-identified fingerprint approaches a fingerprint contact surface. The display device is advantaged in that the multiple standby pixels are added on a display structure of the display screen, the induction member is utilized for inducting contact of the to-be-identified fingerprint to start the standby pixels as fingerprint identification light, so a light source needed during operation of the fingerprint identification module does not need light of the pixel units, and service life of the display screen is influenced. The invention further provides a mobile terminal.

The invention relates to a power converter for a switched reluctance motor of a battery-supercapacitor electric vehicle. According to the invention, a power converter topology, in which a battery and a supercapacitor are cascaded with an asymmetry half-bridge circuit of the switched reluctance motor through a three-switch series dual-input DC-DC converter, is adopted to act a main power converter of a battery-supercapacitor hybrid power electric vehicle switched reluctance motor driving system, a source end DC-DC converter can realize dual-source access of the battery and the supercapacitor, a rear-stage asymmetry half-bridge power converter is enabled to be adjustable in bus voltage, and a rear-stage asymmetry half-bridge power circuit can realize driving control for the switched reluctance motor. The power converter provided by the invention can realize requirements of battery-supercapacitor dual-storage energy input control and switched reluctance motor driving control simultaneously. In addition, the power converter effectively saves switch tube resources, can further reduce the system cost and the size, and has the advantages of high integration, light weight, low cost and the like.

An air-energy infant incubator comprises an incubator body, an air energy apparatus, a controller and a smart phone. The incubator body comprises a transparent case, a transparent case cover, an automatic cover opening apparatus, a cover locking apparatus, a drawer and a drawer driving apparatus. The controller is provided with control lines to be connected with the air energy apparatus, the drawer driving apparatus, the cover locking apparatus, an outside-case temperature sensor and the human body sensor. Once power is off, the transparent case cover of the incubator body can be opened automatically, so that an infant is prevented from being smothered in the case, and air ventilation in the incubator body is maintained; once the temperature of the incubator body is out of control, an infanette and the infant can be moved out of the incubator body by the drawer driving apparatus, so that the health and the life of the infant are prevented from being affected by the out-of-control temperature; the smart phone which uploads video and audio signals of the infant on the infanette to the internet is arranged, so that the infant parents or related persons can observe the condition of the infant at any time through the internet.

The voltage balancing method and device for every single cell of dynamic cell group during charging and discharging comprises: measuring (n) single cells in whole group with (n) voltage measuring circuits, comparing one single cell end voltage with its neighbor by a comparison circuit; if some single cell end voltage over its neighbor, outputting low-level signal from the comparison circuit to a control circuit; the latter operates the corresponding discharge relay to decrease this single cell voltage to keep consistency on end voltage of all single cells. This invention solves the problem that abnormal voltage of single cell affects whole cell group performance and life, and has wide application in cell testing system.

The invention relates to a switching and dimming LED driving circuit which comprises a power supply switching counting and timing circuit. The power supply switching counting and timing circuit calculates on-off times and time of an input alternating-current power supply, namely a mains supply; signals are distinguished whether to be normal switching signals or dimming control signals, if the signals are the dimming control signals, output current value regulation is performed on a driving part of an LED, and a corresponding PWM (pulse width modulation) signal or reference voltage value is generated and given to the LED constant-current driving circuit with a dimming circuit so as to realize dimming without changing any existing wiring and without a remote control. Moreover, the on-off times basically have no influence on service life and lumen flux maintenance of an LED light source. The switching and dimming LED driving circuit has great advantages in terms of cost and convenience, and is easy for wide use.

The invention relates to a production method of a lithium ion battery, which comprises the following steps: a battery cell is installed in an encapsulating shell and an opening at one end of a hollow tube is arranged in the encapsulating shell while an opening at the other end thereof is arranged outside the encapsulating shell which is sealed at the periphery and communicated with the outside through the hollow tube; vacuumization: the encapsulating shell is connected with vacuumization equipment for vacuumizing through the hollow tube; electrolyte is added and set aside; formation and vacuumization; the battery is sealed to obtain the finished product of the lithium ion battery. The invention has simple production process, does not require such expensive equipment with low universality as filling equipment, moistening equipment and the like, and can avoid the corrosion of a battery shell by the electrolyte and improve battery performance.

The invention discloses a hard disk file system suitable for security application and an operation method thereof. A hard disk space is divided, a management block and a plurality of storage blocks are arranged, the management block is used for conducting distinguishing management on a hard disk and the storage blocks, the storage blocks are independent of one another and do not affect one another, and therefore efficient and safe multi-channel data operation and retrieval functions are achieved. According to the hard disk file system suitable for security application and the operation method thereof, a file system structure is programmed, multichannel writing is better achieved, and the demand for multichannel real-time writing and synchronous playback is efficiently met; the safety of a file system is improved, and the file system is effectively prevented from being damaged; meanwhile, the management function is complete, and efficient using is convenient.

The invention discloses a fireproof ventilation capacitance compensation cabinet, which comprises a cabinet body, wherein the interior of the cabinet body is divided into an upper cabinet body and a lower cabinet body, the front end of the upper cabinet body is provided with an upper cabinet door, and the front end of the lower cabinet body is provided with a lower cabinet door; the cabinet body is provided with a fan; a lightning arrester, knife-fuse switches and current transformers are arranged inside the upper cabinet door, the knife-fuse switches are arranged above the current transformers; miniature circuit breakers, AC contactors, thermal relays and AC capacitors are arranged inside the lower cabinet body; a temperature sensor, a smoke sensor and a fire extinguisher are arranged in each of the upper cabinet door and the lower cabinet body; each fire extinguisher is provided with a spray pipe, the tail end of each spray pipe is provided with a sprayer, and each sprayer is provided with an electromagnetic valve; a controller is arranged inside the cabinet body, and the temperature sensors, the smoke sensors and the electromagnetic valves are electrically connected with the controller; and a storage battery is arranged inside the cabinet body, and the storage battery is electrically connected with the controller. The fireproof ventilation capacitance compensation cabinet has good ventilation and heat dissipation effects, can extinguish fire in the bud, and is high in safety.

The invention relates to a self-adaptive charging method and charging device for an electric automobile power battery. The method comprises the steps of presetting highest charging voltages corresponding to various charging modes; selecting a charging mode; detecting temperature information and voltage information of the power battery; and determining a charging current in the selected charging mode according to the temperature information and voltage information of the power battery. The device comprises a parameter presetting module, a charging mode selection module, a temperature collection module and a voltage collection module, a charging current selection module and a charging module. According to the self-adaptive charging method and charging device for the electric automobile power battery provided by the invention, the maximum duration of the power battery is improved at the premise of not influencing the service life of the power battery.

The present invention discloses the start-up method of coal tar hydrogenating treatment process includes the first vulcanizing or activating the catalyst, the subsequent pumping fraction oil containing polar matter into the reaction system and final pumping coal tar material into the reactor to start operation. The method is favorable to the normal start-up and smooth operation of the coal tar hydrogenating treatment apparatus and can prolong the service life of the catalyst.

This invention relates to a method for activating the membrance electrode of fuel cell. The procedures comprise: the positive pole fuel and negative pole fuel are fed into positive pole chamber and negative pole chamber respectively, thus makes the cell discharging, which is multi-stage discharging, including at least one time-interval between the stages, and the discharging being under constant voltage. This invention method makes the activating operation being fulfilled in a short period, and gives higher outpul power.

The invention discloses a preparation method for a lithium ion battery negative pole slurry. The preparation method comprises the following steps: adding solid raw materials comprising, by mass, 90 to 95% of powdered carbon, 1 to 3% of a conductive agent, 1 to 4% of a binder LA133 and 1 to 3% of SBR into deionized water in an environment with a temperature of 15 to 35 DEG C, wherein a mass ratio of the solid raw materials to the deionized water is 1:1; carrying out vacuum-pumping and then stirring in a stirrer for 5.1 to 9.4 h so as to obtain a mixture A; and adding NMP accounting for 0.5 to 1% of the mass of the mixture A 1 to 2 h before discharging of the mixture A and carrying out filtration so as to obtain the negative pole slurry. According to the invention, since a CMC glue solution does not need to be prepared in advance, preparation time for the slurry is shortened, the problem of dusting of a negative pole piece is overcome, and thus, self-discharge of a battery is mitigated, and influence on the service life of the battery resulting from introduction of sodions by CMC is avoided.

The invention relates to a thermoelectric separation power type light-emitting diode bulb with high integration and high lighting effect, comprising a case, a circuit board and light-emitting diodes, wherein the circuit board is arranged in the case, the light-emitting diode is arranged on the circuit board, the case is a non-metal hollow case, air holes are arranged on a lower side, the lower side of the circuit board is provided with radiation pillars which are fixed the light-emitting diodes in one-to-one correspondence, heat is radiated by virtue of the radiation pillars which are independently corresponding to the light-emitting diodes, independent heat radiation technical effect realized by a heat radiation pillar body with large heat radiation area to a corresponding light-emitting diode is effectively enhanced, heat produced when an LED (light-emitting diode) lamp gives out light is better transferred to the air and radiated, so as to solve problems of heat transfer and heat radiation in a using process, and service life of the LED lamp is guaranteed.

The invention provides an excircle machining mechanism which can machine overlength workpiece with low energy consumption, long service life and high machining precision and comprises an inner cyclone milling head and a primary motor connected with the cyclone milling head to drive for rotation around the y axis. The inner cyclone milling head is rotatably connected on a supporting seat. The primary motor and the supporting seat are fixed on a slide board which is in sliding connection with the engine base along the z axis direction vertical to the y axis. The slide board is connected with the transmission mechanism driving the slide board to slide along the z axis. An engine base is arranged on an x axis supporting plate moveable along the x axis direction vertical to the y axis. When processing the excircle, the workpiece is stationary, the inner cyclone milling head rotates at high speed (around y axis), the workpiece extending into the inner cyclone milling head is stationary and meanwhile inner cyclone milling head translates on two directions (x axis and z axis directions) vertical to the rotor axis, thus machining the excircle of the workpiece.

The invention belongs to the technical field of unmanned aerial vehicles, and particularly relates to an unmanned aerial vehicle and a battery temperature control system and method thereof. The temperature of a battery module under the working state of the unmanned aerial vehicle is monitored in real time, and the flow direction and the airflow intensity of the internal heat dissipation airflow ofthe unmanned aerial vehicle are controlled according to the monitored temperature value of the battery module. When the temperature value of the battery module is low, the battery module is heated bythe heat dissipation airflow of the unmanned aerial vehicle, and when the temperature value of the battery module is high, the heat dissipation airflow is increased to help the battery module to dissipate heat quickly; and when the temperature value of the battery module is too low or too high, the temperature abnormal alarm is reported back to an operator of the unmanned aerial vehicle, and theunmanned aerial vehicle is controlled to return or land when the battery module temperature value is too low to avoid air crash accidents.