50results about How to "High performance/price ratio" patented technology

The invention discloses a navigation method and a navigation system, belonging to the computer software technical field. The method of the invention includes that: (1) a server collects traffic information provided by all information providers; (2) the server carries out data fusion on the acquired traffic information to obtain real-time traffic information; (3) a client sends request information to the server; and (4) the server carries out corresponding processing respectively according to the request information of the client. The system of the invention comprises a plurality of clients and a server; and the clients and the server are connected by wireless network. Compared with the prior art, the invention can realize efficient traffic dispersion, greatly improve path utilization efficiency and promote energy conversation and emission reduction.

The present invention provides an LED light source, and particularly provides an illuminating device with an LED surface light source covered with an optical film. The device includes: an LED point light source, an illuminator, and a heat sink; wherein the illuminator is an optically transparent solid geometry with an optical film covering the outer surface thereof; wherein at least one outer surface of the solid geometry is an incident surface and at least one outer surface of the solid geometry is an emergence surface; and the optical film is a solid optical medium film; and the LED point light source is fixed on the heat sink, matching with the incident surface of the illuminator.

The invention relates to an automatic heat-insulation building block for an outer wall, which is prepared from 4 to 5 parts of slag cellucotton of a steel smelting high-temperature furnace, 1.5 to 2 parts of silicon ash, 2 to 3 parts of natural pumice stone cotton wool and 1.6 to 2 parts of cement according to the technology of concrete hollow building blocks. The invention uses two industrial waste materials and one natural material as heat insulation materials which have the characteristic of low heat conduction coefficients and account for more than 80 weight percentages of the total weight of the material, thus, the invention has excellent heat insulation performance, and the slag cellucotton of a steel smelting high-temperature furnace has excellent strength and can form skeleton support in the finished product to enable the finished product to have excellent pressure resistant strength. Because 55 percent to 60 percent materials of the automatic heat-insulation building block are industrial slag, the material cost can be greatly lowered. In material selection, the invention avoids the material with high volume weight, thus, the invention also has the characteristic of light weight. Detection shows that the invention has the heat conduction coefficient of 0.076 W / m*k and hihg cost performance.

The invention relates to a self-calibrating method of internal reference resistors of a multi-range digital electronic measuring instrument, comprising the following steps of: on the basis of the design line of the traditional digital electronic measuring instrument, additionally setting an electronic switch and a self-calibrating program; setting a resistor with good long-term stability as an internal standard resistor in a set of internal reference resistors; when in a self-calibrating state, controlling the electronic switch by using the self-calibrating program to form different combinations so as to obtain comparing and measuring circuits among different reference resistors; and respectively and directly or indirectly comparing the reference resistors with the set internal standard resistor to measure respective actual resistance values and storing the actual resistance values in an internal storage for automatically correcting measuring results. Because only one standard resistor with good long-term stability needs to be adopted, other reference resistors are compared and calibrated with the standard resistor, and the method effectively reduces the requirements of other reference resistors, is beneficial to reducing the production cost and ensuring the measuring precision of each measuring process so that the calibration in the production process and the periodic calibration of users both are simpler and more effective and accurate.

The present invention belongs to the field of one kind of weather resistant light-converting luminous farm film and its making process. The farm film contains base resin and following added components: at least one kind of visible light excited long afterglow light-converting agent, at least one kind of red light-converting agent, at least one kind of blue light-converting agent, and one compatible antiaging agent. The farm film has the light-converting and luminous characteristics, can luminesce at night stably for long time, so that plant can utilize sunlight effectively for increasing yield, fast maturing and reducing diseases and pests.

A mobile telephone based on short-distance wireless communication technique is composed of a host and a hand set, which contain short-distance communication module and power supply for mutual communication. The said host has network communication module and short-distance communication module for mutual transmission of communication data. The said hand set has short-distance communication module and data processing and I / O controller. Its advantages include split structure, low radio radiation and convenient application.

The invention relates to an automatic medicine discharging mechanism of a rapid medicine dispensing system. According to the specifications and the shape characteristics of medicine boxes, vertical and horizontal medicine tanks and medicine cases are designed and placed in a medicine cabinet shown as an accompanying drawing 1. The medicine tanks and the medicine cases have gradually increasing tank widths according to the thickness of the medicine boxes and are used for storing the medicine boxes with different thicknesses shown in an accompanying drawing 2. The front half parts of the medicine tanks are guide grooves of the medicine boxes and the rear half parts of the medicine tanks are used for bearing the medicine cases. The length of the medicine cases is half of the length of the medicine tanks. When the medicine boxes are at the front half parts of the medicine tanks, a medicine feeding mechanism fills the medicine boxes into the medicine cases and guides the medicine boxes into the medicine tanks, so as to continuously supplement new medicine boxes for the medicine tanks. The automatic medicine discharging mechanism of the rapid medicine dispensing system has the characteristics that since the automatic medicine discharging mechanism is matched with a dual-box-type medicine feeding mechanism, the automatic joint of the medicine cases and the medicine tanks is realized and the effect of synchronization of high-speed medicine discharging and high-speed medicine feeding is realized; since the storage capacity of a main medicine cabinet is great and a synchronous medicine discharging method is adopted, the medicine discharging speed is high; and a sliding block and connecting rod medicine discharging mechanism and a photoelectric detection device at a medicine outlet guarantee the working reliability of the medicine discharging system.

The invention relates to a current and effect stabilizing control circuit chip and a safe control electric appliance of the control circuit chip. The current and effect stabilizing control circuit chip and the safe control electric appliance adopt the technical scheme that two parallel and complementary unit circuits are adopted for forming the current and effect stabilizing control circuit chip, wherein the input end of an isolation switch arranged in each unit circuit is connected with an amplifier; the output end of the isolation switch arranged in each unit circuit is connected with a bottom supporting type safe control circuit; weak sensing signals are amplified and are then transmitted to the bottom supporting type safe control circuit to be processed by the isolation switch; the strong sensing signals can be directly sent to the bottom supporting type safe control circuit to be processed directly from the level input end; each bottom supporting type safe control circuit has the bottom supporting protection and limit exceeding safety control function; in addition, the two bottom supporting type safe control circuits are mutually locked; if the inputs of the two unit circuits are used for parallelly detecting the sensing signals and the outputs of the two unit circuits are used for serially connecting a peripheral driving executing circuit, and the capability of comprehensively preventing the fault control loss is realized, so that when the current and effect stabilizing control circuit chip is applied to safety protection and test control circuits for the temperature, the pressure, the water level, the timing and the like, the safety performance can be improved, the control loss accident can be avoided, and the purposes are wide.

The invention belongs to a safe control time-base circuit guaranteeing the safety of an over-limitation control circuit or an timing control circuit in case of breakdown through preventing out-of-control, and the safe control time-base circuit is applied to temperature control electric apparatus, pressure control electric apparatus, water stage control electric apparatus and timing control electric apparatus, for improving the safety performance and avoiding serious accidents (fire, for example) during use. The following technical measure is taken for realizing the excellent function: most importantly, electronic devices are connected in a smart way to simply constitute a base-assembled master control circuit, a base-supported top-shielded protection and control circuit, a series-control propel executive circuit and a protection and control display circuit, wherein the base-assembled master control circuit and the base-supported top-shielded protection and control circuit are connected in parallel with signals output by a detection sensing circuit or a timing circuit. The protect loading of the base-supported top-shielded protection and control circuit monitors the control level output by the base-assembled master control circuit, so as to close the out-of-control level output by the master control circuit at first in case of breakdown and force the executive circuit to cut loading supply, thus the safety is guaranteed. Therefore, the safe control time-base circuit can be widely used in the field of electric application, and enables the electric apparatus to have high performance-price ratio.

A high-strength high-modulus polyimide fiber and its preparation method pertain to the technical field of high-performance organic fiber. This fiber includes the polyimide (PI) fiber made from 3,3′,4,4′-biphenyl tetracarboxylic diandhydride (BPDA), p-phenylenediamine (pPDA) and 2-(4-aminophenyl)-1H-benzimidazol-5-amine (BIA), wherein the molar ratio between PPDA and BIA is 1:10˜3:1. During the synthesis, other diamine and diandhydride monomers may also be added. In the preparation process, the gradient temperature reaction method and one-step continuous preparation method are adopted, the synthesis and processing difficulty caused by the increase of the content of BIA is overcome, the problem of poor uniformity and stability of fiber is solved and PI fiber with high strength and high modulus is obtained. Its strength may reach 4.5 GPa and modulus may reach 201 GPa. Moreover, the sources of the raw materials are extensive, the spinning process is continuous, the cost is low, the efficiency is high and industrial production may be realized.

The invention belongs to a practical, safe and effect-producing universal control electric appliance in which a cross-border protection monitoring circuit carries out cross-border protection monitoring to a transfinite negative feeding main control circuit, a load power supply can be turned off when abnormal faults occur and a bottoming protection display circuit displays that the fault protection control is effective, so that a driving actuation switch circuit does not lose control. The electric appliance is applied in temperature, pressure, water level, timing control circuits and all variable measurement and control circuits, so that safety can be improved, and fire, pressure explosion and other serious accidents do not happen. Technical measures for realizing the excellent functions comprise that the cross-border protection monitoring circuit carries out the cross-border protection monitoring to the transfinite negative feeding main control circuit, the control losing signal of the main control circuit can be first turned off compulsorily when the faults happen, so that the driving actuation switch circuit does not lose control and the fault protection control is displayed to be effective. Consequently, the practical, safe and effect-producing universal control electric appliance has very wide purposes in a plurality of electronic application fields, and the product cost performance of the electric appliance is extremely high.

The invention relates to lower-than-lower-limit reverse control time base circuit. All functions of a 555 time base circuit are completely compatible, and new functions are expanded. The technical problem that a conventional master control circuit for higher-than-upper-limit control and lower-than-lower-limit control and a timing circuit are out of control due to failures and cannot timely cut power supplied to a load off to cause potential safety hazards. The technical scheme is that: a lower limit reference circuit, a comparison circuit and a triggering protection circuit are arranged; when a sensing circuit abnormally fails, the inversion of a post-stage circuit is preferably triggered, and a lower-than-lower-limit reverse control protection function is realized to forcibly cut the power supplied to the load off and reliably prevent the failures from causing uncontrollability. When applied to temperature, pressure, water level and timing control circuits, the lower-than-lower-limit reverse control time base circuit can improve the safety performance and avoid serious accidents such as fire when in use. Therefore, the lower-than-lower-limit reverse control time base circuit has high practical value and higher cost performance, and is more widely applied in the fields of electronic application such as small home appliance and simple measurement, timing, control, safety protection and the like.

The embedded fingerprint distinguishing module consists of fingerprint scanning device, DSP processor, Flash chip, etc. The present invention features that the embedded fingerprint distinguishing module is small module designed by adopting excellent fingerprint image distinguishing processing algorithm and advanced system level optimizing design theory as well as DSP chip. The present invention has the features of small size, light weight, independent operation, simple embedding and connection, high reliability and high performance / cost ratio. The present invention may be used widely in computer, network, ID, etc.

The invention discloses a permanent magnetism magnetic resonance imaging system magnet thermostatic control device. It includes alternating current temperature control circuit, the signal input end of temperature controller is linked with temperature sensor, and the regulating output end of temperature controller is linked into the alternating current power supply circuit of alternating current heater through the alternating current performer; and includes the direct current temperature control circuit consists of temperature sensor, temperature controller, direct current source and direct current heater. Among them, said regulating output end of temperature controller is linked into the direct current power supply circuit of direct current heater through the direct current performer, the alarm output end of temperature controller is linked into the alternating current power supply circuit of alternating current heater through the alternating current performer; the signal output end of temperature sensor, direct current heater and the power receiving terminal of alternating current heater are equipped with filter respectively; said temperature controller stores temperature control programs. The invention improves the thermal stability of permanent magnet, and has high control accuracy and ratio of performance to price.

The invention aims to provide a wind-water combined wind-driven power generation system, solving two problems on 1, establishing an intermediate system for buffering stored energy, and 2, reducing the cost on wind power generation. The wind-water combined wind-driven power generation system is realized in such a way that a wind turbine is used to drive a water lifting pump to supply water to pipe header through a water conveying pipeline, and the water in the pipe header is used to drive the water turbine power generator set to generate power.

In the invention, the switch regulated power supply runs at three modes: in normal operation, stand by, and as power source of truly accompanying sound only. The invention features energy saving, compact, reliable, avoiding distortion of accompanying sound and protecting loud speaker and power amplifier of accompanying sound.

The invention consists of physical bus link unit, bus transceiver, embedded bus controller, power unit. It uses twisted-pair wire or power line, and makes communication, management, signal collection and driver output in large area, long distance, multi kinds and multi node through lightening node and equipment node relating to application of inner illuminant passing through outside.

Technical scheme of using combined type power supply, energy saving power supply distribution and multifunctional technique are adopted in the invention. The functions such as eliminating over current harm of starting surge impulsion through soft starting, pause function and over loading shut down function are added in the invention. The invention possesses advantages of environmental protection, energy saving, prolonging service life and high performance / cost ratio.

Single-pole double-throw switch relay is utilized to put auto degaussing loop and current limiting circuit though when reset is executed at time of starting up or power breakdown. After operation, the device sets up shorting current limiting resistor and cuts off degaussing loop. Advantages of the invention are: reducing power consumption at stand by raising reliability etc. ratio between performance.

Disclosed is an intelligent controller for a steamed bun cutter. A counter and an electromagnetic clutch controller conventionally controlled by a cutting motor are controlled by a stepping motor instead. Rolling motor control and pressing motor control are integrated. All-digital speed regulation is adopted. Therefore, cost is lowered, energy consumption is lowered, noise is reduced, and weight is reduced. Double closed-loop control of a pressing motor and a rolling motor is implemented, so that steamed buns are equal in shape and size. A photoelectric ranging sensor is installed below a cutter, so that counting the number of the steamed buns is achieved and management mechanism is added on the basis of operations of the rolling motor, the cutting motor and the photoelectric ranging sensor. Records can be inquired conveniently with an added calender clock. The intelligent controller has the functions of power failure detection, zero-cross detection, continuous operation between power failure and power up, delay startup of initial operation and the like. In addition, all operating modules are weak current buttons, so that safety is increased. The whole intelligent controller integrates software and hardware and is controlled highly intelligently. Animation on color screen enhances man-machine interface effect.