45results about How to "Resolve shortened lifespan" patented technology

The invention provides a fuel cell and lithium ion battery hybrid system, which comprises a fuel cell subsystem, a lithium ion battery subsystem, a charge control subsystem, an intelligent hybrid power management system, a motor and a motor control system. A fuel cell serves as a main operation power source while a lithium ion battery serves as an auxiliary power source. The problems that the fuel cell of the pure fuel cell automobile is short in service life and the energy is unrecyclable can be solved, and the problems of long charge time, potential burning and explosion in continuous high-current discharge, attenuation and self discharge of the pure lithium ion battery electric vehicle are also solved. Service lives of the fuel cell and the lithium ion battery are effectively prolonged, the cost of the power system is reduced, reliability and safety are improved, energy recovery is realized, and accordingly the fuel cell and lithium ion battery hybrid system is an excellent solution to the power source problem of electric vehicles.

The invention discloses a method for inhibiting peak starting current of a start-stop motor. The method includes that firstly a relay with a current limiting resistor is added to a main start-stop motor loop comprising a storage battery, an ignition switch, a contact of an electromagnetic switch and the start-stop motor, and two binding posts of the current limiting resistor and the relay are parallelly connected and then connected between the ignition switch and the contact of the electromagnetic switch; and secondly, a power supply of the storage battery supplies power for coils of the relay and the electromagnetic switch respectively. The invention further discloses a relay for achieving the method for inhibiting peak starting current of the start-stop motor and a start-stop motor for implementing the method for inhibiting peak starting current of the start-stop motor. According to the method, the relay and the start-stop motor, the current limiting resistor is cut in or cut out when ignition is performed in the start-stop motor loop, so that overlarge starting current can be inhibited at the moment of starting of the start-stop motor so as to achieve the purpose of prolonging the service life of the start-stop motor.

The invention provides a magnetic liquid sealing device using magnetic grease and belongs to the field of mechanical engineering sealing. The magnetic liquid sealing device solves the problem of liquid leakage when an existing magnetic liquid sealing device is used for sealing liquid in a high-pressure and high-liner-speed environment. The magnetic liquid sealing device comprises a shell (1), a left pole shoe (2), a permanent magnet (3), a right pole shoe (4), an end cover (5), screws (6), a right sealing ring (7), a left sealing ring (8) and other parts. According to the magnetic liquid sealing device, magnetic liquid is injected into the space between pole teeth b and a rotary shaft, and the magnetic grease is injected into the space between pole teeth a and the rotary shaft; because the magnetic grease has the advantages of being large in viscosity and not prone to being mixed with sealed media, the problem of the liquid leakage when the liquid is sealed in the high-pressure and high-liner-speed environment.

The invention relates to a mixed capillary chromatographic column with a shower head and a preparation method thereof. The method comprises the following steps of: pretreating capillary tubes with different inner diameters and lengths to synthesize polymer integral materials with different lengths at the end of the shower head according to the need; filling prepared high-efficiency particle fillers by adopting a homogenate column filling method after synthesizing, and changing the type of the filler, particle size and filling length according to the requirement and synthesizing the same materials at the tail end; and compacting and ageing the materials in a high-voltage constant-current pump system by using methanol and other reagents after preparation. After evaluating the column efficiency, the prepared chromatographic column is applied to a liquid-mass combined system, and can effectively solve the problems that in a traditional filling column with the shower head, the filling particles are crushed, come out or block the shower head of the capillary chromatographic column due to over-high pressure of the capillary chromatographic column in the using process.

The invention discloses a light-emitting diode (LED) device. The LED device comprises a plurality of LEDs, a state detecting unit, a power supply control unit and a processor unit, wherein when more than one LEDs are out of order, the other LEDs can operate normally; the state detecting unit is coupled with the LEDs; the power supply control unit provides a power source and outputs the power source to the LEDs; and the processor unit instructs the power supply control unit to adjust the power source and output the power source to the LEDs according to the state signal provided by the state detecting unit. By using the light-emitting diode device with the compensating mechanism, the power can be rated.

A bearing variable preload system utilizing gaps between strokes for preload adjustment and elastic deformation of a sealing member, according to the present invention, comprises: a housing; bearings provided to the housing; a spindle coupled to the inner wheels of the bearings so as to rotate; and a variable preload unit provided to the housing and applying a variable preload to the outer wheels of the bearings, wherein the variable preload unit has a chamber of which the airtightness is maintained by a sealing member between a pressing member coming into contact with the outer wheel of the bearing and the bearing housing part and a pressure supply unit for supplying air pressure or oil pressure to the chamber through a supply pipe provided to the housing so as to vary a preload applied to the outer wheel of the bearing. The spindle having the preload system, according to the present invention, has the effects of improving rigidness, preventing heat, reducing noise and vibration, extending the lifespan of the bearing or the like.

The invention provides a fuel cell and lithium ion battery hybrid system, which comprises a fuel cell subsystem, a lithium ion battery subsystem, a charge control subsystem, an intelligent hybrid power management system, a motor and a motor control system. A fuel cell serves as a main operation power source while a lithium ion battery serves as an auxiliary power source. The problems that the fuel cell of the pure fuel cell automobile is short in service life and the energy is unrecyclable can be solved, and the problems of long charge time, potential burning and explosion in continuous high-current discharge, attenuation and self discharge of the pure lithium ion battery electric vehicle are also solved. Service lives of the fuel cell and the lithium ion battery are effectively prolonged, the cost of the power system is reduced, reliability and safety are improved, energy recovery is realized, and accordingly the fuel cell and lithium ion battery hybrid system is an excellent solution to the power source problem of electric vehicles.

The invention discloses a power output method and a power output device for a battery. The power output method for the battery comprises the following steps of acquiring the target output power of the battery; calculating the permissible output power of the battery; judging whether the permissible output power is higher than or equal to the target output power or not; if the permissible output power is determined to be higher than or equal to the target output power, performing power output according to the target output power; if the permissible output power is determined to be lower than the target output power, reacquiring the target output power. According to the method and the device, the problem that the service life of the battery is shortened by the power output of the battery under a dynamic load in the prior art is solved, and the effect of prolonging the service life of the battery is achieved.

The invention discloses a master batch for preparing an agricultural film with 5-year super long service life. The master batch is characterized by being prepared from the raw materials in percentage by weight: 15-25 percent of light stabilizer HS-44, 1-3 percent of pesticide tolerant light stabilizer T-68, 2-7 percent of antioxidant B215, 1-4 percent of ultraviolet absorbent UV531, 45-60 percent of polyethylene LLDPE (Linear Low Density Polyethylene) powder and 10-20 percent of polyethylene LLDPE. A greenhouse film prepared from the master batch has strong pesticide resistance, high thermal stability and long service life; and with the adoption of the greenhouse film, the problem about the service life of the agricultural film is solved, and the quality of the agricultural film is improved.

The invention discloses a data reading method and computer readable storage equipment, and the method comprises the following steps: providing a storage unit which comprises a plurality of data storage positions, wherein a reading retry table is configured on the storage unit, and the reading retry table comprises a plurality of rereading steps which are arranged in sequence; requesting to read the data on the data storage position; and if the read data is correct, outputting the read data, and if the read data is incorrect, executing a rereading mechanism by adopting a rereading step until the rereading is successful, outputting the reread data, and when the reading over-limit parameters of the rereading steps corresponding to all successful rereading are greater than a preset threshold value, executing a data storage position abandoning mechanism. According to the invention, the read performance of the flash memory device is effectively improved, and the service life of the flash memory device is prolonged.

The invention discloses a power supply device of a light source device with a high-intensity discharge lamp, which can solve the problem of shortened lamp life during arc discharge conversion. In order to solve this problem, the above-mentioned power supply device controls so that the current flowing into the above-mentioned discharge lamp does not exceed a prescribed current limit value, and its function is: before the above-mentioned discharge lamp is switched to arc discharge; the above-mentioned current limit value is the first limit value , and then change the above-mentioned current limit value to the second limit value, the structure is: the above-mentioned first limit value is less than 70% of the above-mentioned second limit value, and the above-mentioned discharge lamp is switched to arc discharge after 0.2ms (milliseconds) or more During the period, the above-mentioned current limit value is kept at the first limit value.

The invention provides a touch panel and a shading material thereof. The shading material is used to coat the edge of a glass substrate of the touch panel. The shading material contains silica gel and titanium dioxide powder, and titanium dioxide powder is mixed in silica gel, wherein silica gel is selected from methyl-series silica gel or benzene-ring-series silica gel, and addition ratio of titanium dioxide powder is in the scope of 10 wt%-60 wt% of the total weight of the shading material. The invention also provides another shading material used to coat the edge of the glass substrate of the touch panel. The shading material contain silica gel and carbon black powder, and the carbon black powder is mixed in silica gel, wherein silica gel is selected from methyl-series silica gel or benzene-ring-series silica gel, and addition ratio of carbon black powder is in the scope of 0.1 wt%-3 wt% of the total weight of the shading material. The invention also provides the touch panel comprising one of the above shading materials.

The present invention discloses a comprehensive power-distribution starting control cabinet. The cabinet comprises a body shell. The front side of the body shell is rotatably connected with a movabledoor, one side of the movable door is fixedly connected with a lock, and the back side of the body shell is fixedly connected with a heat dissipation box. The heat dissipation box comprises a shell body, one side of the shell body is provided with a blower, one side of the blower is fixedly connected with a cold air duct, and the inner wall of the cold air duct is fixedly connected with rock wools. According to the cabinet, by providing the blower, a semiconductor cooler, heat-dissipation fin(s), an wind-uniformity plate, heat dissipation plate(s), longitudinal heat-dissipation hole(s), lateral heat-dissipation holes, spherical heat-dissipation buffer holes, flexible sleeve rods, springs, a support plate, an elastic plate and a torsion spring, the problems that circuit board(s) can producea large amount of heat after long working hours, the conventional power-distribution starting control cabinet has a poor heat-dissipation effect, the heat is hard to be dissipated, and the reactor(s)QKSQ in the power-distribution starting control cabinet can produce weak vibration to shorten the life of the reactor(s) QKSQ when the reactor(s) QKSQ are at work, are solved.

The invention discloses a backlight module and a display device. The backlight module comprises a fixed frame, a reflection plate, a light guide pate and an optical diaphragm, wherein the reflection plate, the light guide plate and the optical diaphragm are sequentially connected from the bottom up; the fixed frame comprises an upper sealing plate, a side sealing plate and a lower sealing plate; aheat dissipation cavity is formed between the light reflection plate and the lower sealing plate; an installation hole is formed in the side sealing plate; a light bar is arranged in the installationhole; an LED lamp is arranged on the inner side of the light bar; a heat dissipation sealing block connected with the lower sealing plate is arranged below the LED lamp; a vent hole communicated withthe heat dissipation cavity is arranged on the heat dissipation sealing block; the side sealing plate is provided with an air inlet hole corresponding to the position of the vent hole; one end of thereflection plate is connected with the heat dissipation sealing block; the upper end of the light guide plate is connected with the lower end face of the sixth sealing block; one end of the optical diaphragm is connected with one end of the sixth sealing block. The display device comprises a shell, a liquid crystal display panel and the backlight module.

The embodiment of the invention discloses a method, a device and a system for detecting a moveable storage medium. The method comprises the following steps of: comparing an acquired moveable storage medium input level with a preset reference level and then outputting a driving level, wherein the input level is acquired by using the constructed moveable storage medium as a circuit of a load; and turning on a switch unit by using the driving level, outputting an indicating level for driving turning-on and turning-off of a decoding chip power supply by the switch unit so as to supply power to a decoding chip when the moveable storage medium is inserted into the decoding chip is detected. The problems that high power consumption is produced and the service life of the decoding chip is shortened because the decoding chip requires uninterrupted power supply in the prior art are solved, the operation of the decoding chip is not affected, and reliable read-in of the moveable storage medium is ensured.

The invention discloses a method for prolonging life of an intelligent control sensor of a motor. A water pump, a pressure sensor, a single-chip microcomputer, a drive element and a pump motor are provided. The pressure sensor is used for measuring interior real-time water pressure of the water pump. The single-chip microcomputer is used for continuously transmitting a detection signal to the pressure sensor. The pressure sensor returns a feedback signal to the single-chip microcomputer. After determination and calculation, a pump head motor control signal suitable for a current motor type is output; or the single-chip microcomputer directly outputs a set program signal; on and off of the drive element of high power is controlled, and filtering and anti-interference of chaotic control electrical signals is achieved; the single-chip microcomputer outputs a control signal of proper duty ratio according to the acquired feedback signal and the motor type; accordingly, operating frequency of the pressure sensor and that of the pump motor are decreased, the service life of the pressure sensor and that of the pump motor are prolonged, and the problem that excessively high start frequency of the pressure sensor and that of the pump motor, both running at a critical point, cause shortened life of the pressure sensor and shortened life of the pump motor is solved.

The invention provides a corrosive chemical reagent processing and mixing device, and relates to the field of chemical reagent processing equipment. The corrosive chemical reagent processing and mixing device includes a base, a top seat is arranged above the base, two screw rods are arranged between the base and the top seat, a driving box is fixedly connected to the top of the top seat, a controlcenter is fixedly connected to the top of the driving box, a driving control panel is arranged on the left side of the front surface of the driving box, a condensation operation panel is arranged onthe right side of the front surface of the driving box, and a reaction barrel is arranged between the base and the top seat and located between the two screw rods. According to the corrosive chemicalreagent processing and mixing device, a rotating motor can drive the reaction barrel to rotate to carry out horizontal and reverse mixing on the reaction barrel, a driving motor can drive the reactionbarrel to move up and down to carry out mixing on the reaction barrel in the vertical direction, so that chemical reagents in the reaction barrel are fully mixed, corrosion to a stirring rod can be avoided, and the corrosive chemical reagent processing and mixing device is also suitable for corrosive chemical reagents.

The invention discloses an automobile timing belt tooth spiral detection tool, comprising a detection disk, detection teeth, detection connection columns, a micro screw column, a dial and a pointer. The detection teeth, the detection connection columns and the micro screw column are mounted in the detection disk. One end of the detection connection columns is mounted on the detection teeth. The other end of the detection connection columns is engaged with the micro screw column. The dial is set at a circle center position of the outer side of the detection disk. The pointer is mounted at the lowest end position of the detection connection column. According to the tool, through design of the detection disk, teeth engagement effect is taken as a detection standard, and the problem that in ause process of a timing belt, life of the timing belt is reduced due to the fact that teeth engagement is incomplete and abrasion is generated in high speed movement is solved.

The invention provides a face identification attendance equipment, which comprises a machine body, a fixed cover, a lead screw, a connecting frame, a cotton brush, a ball nut seat, an outer cover, a fan, a pinion, a connecting shaft, a long spindle and a rotary handle, wherein the upper end of the lead screw is installed in a first round groove; the ball nut seat is installed on the annular side surface of the lead screw; the rear end of the connecting frame is connected to the left end of the annular side surface of the ball nut seat; and the rear end of the rear side surface of the cotton brush is installed on the front end of the connecting frame. By use of the design, the function that dust and moisture on the surface of the machine body can be cleaned is realized, the front end of theconnecting shaft is connected with the rear end of the pinion, and the fan is installed on the front end of the pinion. By use of the design, timely cooling in a machine body operation process is realized, the left end of the long spindle penetrates through a through and a second square hole and extends to the left side of the fixed cover, and the right end and the left end of the long spindle are connected with the rotary handle. The vertical movement function of the machine body is realized, and the equipment has the advantages of flexible structure, high accuracy, good stability and convenience in use.

The invention relates to photovoltaic power generation energy storage equipment, in particular to a photovoltaic energy storage cabinet, which is characterized in that an inverter, a host and a plurality of superposed battery modules are sequentially mounted in a cabinet body from top to bottom, and the host is connected with the battery modules through a mobile charging mechanism; the mobile charging mechanism comprises two chain wheels rotationally installed in the cabinet body and a chain used for connecting the two chain wheels, the chain is arranged in the height direction of the cabinet body, and a charging assembly in butt joint with the battery module is arranged on the chain; the power device drives the redirection assembly to work, the redirection assembly drives the walking assembly to operate, and the walking assembly drives the chain wheel connected with the walking assembly to intermittently rotate, so that the charging assemblies on the chain are in butt joint with the stacked battery modules one by one, and power is equivalently transmitted to the battery modules one by one; and after the charging assembly transmits power to the multiple battery modules one by one, the direction changing assembly changes the running direction of the walking assembly, so that the chain wheel rotates discontinuously in the reverse direction, and then the charging assembly transmits power to the multiple battery modules equivalently in the reverse direction one by one.

The invention discloses an active protective power transformer polarity tester, which comprises a wire clip, a support frame and a detection box. The support frame includes a support rod, a connecting rod, and a grip rod. Connecting rods, both ends of the connecting rods are vertically provided with supporting rods, and the ends of each supporting rod are provided with wire clamps, and the detection box is equipped with automatic switching devices, sound and light alarms, batteries, for For the pointer multimeter for detecting transformers, one clamp is electrically connected to the negative pole of the battery, the other clamp is electrically connected to the automatic switching device, the automatic switching device is electrically connected to the positive pole of the battery, and the sound and light alarm is connected to the automatic The switching device is electrically connected. It solves the current problem of shortened battery life due to short-circuit of the line. The automatic switching device will disconnect the line of the tester and give an alarm reminder, which can protect the safety of the tester and the staff and make the use safer.

The invention relates to the technical field of new energy vehicles, and discloses a storage battery for a new energy vehicle, the storage battery comprises an anode, the bottom end of the anode is fixedly connected with a positive plate, negative plates are fixedly mounted on the two sides of the positive plate, an electrolyte is placed between the positive plate and the negative plates, and an interlayer is fixedly mounted on the liquid level of the electrolyte. A pseudo cathode is fixedly installed behind the anode, the outer side of the anode is fixedly connected with an anode conducting ring in a sleeved mode, and the outer side of the pseudo cathode is fixedly connected with a cathode conducting ring in a sleeved mode. According to the invention, a resistor, a conductive block, a conductive rod, an electromagnet and a cathode conductive ring are conducted by discharging the storage battery and electrifying an anode conductive ring, so that the electromagnet is electrified to attract a magnetic plug to open a plug opening upwards, and distilled water in a water replenishing tank enters electrolyte through a permeable membrane to replenish electrolyzed water; the problem that the service life of the storage battery is shortened due to water loss caused by electrolysis of some water during charging of the storage battery is solved.

Disclosed herein is a spindle motor. In the spindle motor according to the present invention, a thrust part is disposed at a lower portion of a shaft, and a support part surface-contacting a lower end of the shaft is formed at the thrust part so as to have a round shape, thereby making it possible to easily prevent a wobble phenomenon of a rotor due to a gap in a shaft system. In addition, a guide part is formed to be protruded at the thrust part to lock the shaft including a narrow part formed therein, thereby making it possible to easily prevent floating of the rotor.

A display device includes a substrate including a display area and a peripheral area outside the display area, where the peripheral area includes a bending area and the bending area bent around a bending axis; an inorganic material layer disposed on the substrate and having a trench corresponding to the bending area and; a construction member disposed in the trench of the inorganic material layer;a first organic material layer covering the construction member; and a conductive layer disposed on the first organic material layer.

The invention provides an aluminum source for electrolytic preparation of an aluminum-containing aluminum alloy. The aluminum source comprises complex salt which is formed by aluminum halide and alkali metal halides. The aluminum source comprises problems of easy water absorbing of aluminum halide at a normal temperature, easy sublimation at a high temperature, and high difficulty for controllingthe actual adding amount of the aluminum source. Furthermore the aluminum source has advantages of settling environment harm caused by sublimation of an aluminum halide aluminum source, settling a problem of aluminum hydroxide deposition generation caused by water absorbing of the aluminum halide aluminum source, and prolonging slag removal period of an electrolytic cell and service life of the electrolytic cell. The aluminum source is used for preparing the aluminum-containing alloy and can realize advantages of controlling the content of the aluminum element which enters electrolyte, furtherrealizing element proportion controllability of the aluminum-containing alloy, realizing high stability of element proportions in different batches of aluminum-containing alloy, and saving secondarymelting in preparing a workpiece through the aluminum-containing alloy material. Furthermore the aluminum source according to the invention can reduce sublimation of the aluminum element and reduces environment harm.

The invention discloses a device and method for controlling operating modes of microwave radar equipment. The method includes: in an operating process of microwave radar equipment, acquiring detectionindexes including at least one of operating duration, output power, an antenna array and external interference signals of the microwave radar equipment and an operating state of microwave radar equipment associated external equipment; on the basis of the detection indexes, controlling the microwave radar equipment to enter a corresponding operating mode. By the device and the method, the problemof service life shortening of the microwave radar equipment due to failure in real-time adjustment of the microwave radar equipment according to practical measurement conditions in correlation techniques is solved.