135results about How to "Save purchase cost" patented technology

The invention discloses an intelligent illumination control system and a method. The system comprises a control center, at least one intelligent road-lamp road-section controller, at least one intelligent road-lamp terminal controller and a plurality of controlled objects; wherein the control center transmits control signals to the intelligent road-lamp road-section controllers and returns operating status parameters of all controlled devices including the controlled objects, the intelligent road-lamp terminal controllers and the intelligent road-lamp road-section controllers, and controls road lamps in all road sections, or road lamps in one road section/a plurality of road sections, or the controlled objects on one lamp post/a plurality of lamp posts; and each intelligent road-lamp road-section controller receives the control signal of the control center and status signals of the intelligent road-lamp terminal controller (to which the intelligent road-lamp road-section controller belongs) and the controlled objects, and controls the intelligent road-lamp terminal controller (to which the intelligent road-lamp road-section controller belongs) according to the control signal. The invention can realize controlling one point by multiple points: multiple light sources with different functions on the same lamp post can be controlled independently or entirely; and a single light source controls all road sections independently.

The invention relates to installation project construction of a vaporization-cooling chimney of a large converter, in particular to ground assembling and welding integral installation and construction technology for the vaporization-cooling chimney. The technology comprises the following steps: laying a steel platform and making a chimney support by using steel plates; transporting a cooling chimney to an installation site by using a large-tonnage flat truck; assembling the cooling chimney by using a large-tonnage crane; performing all-position ground welding on the vaporization-cooling chimney by adopting argon tungsten arc welding; performing 25 percent of radiographic detection and a corresponding airtight test on the welded chimney according to construction specifications; hoisting the chimney integrally; and fixing chimney system equipment according to the following sequence: curved chimney, cooling chimney and movable chimney so as to complete the installation of the chimney. The technology ensures the welding quality of the vaporization-cooling chimney, reduces the workload of overhead construction, reduces potential safety hazard during the construction, greatly improves the working efficiency of the installation of the vaporization-cooling chimney, reduces the duration of the construction, and increases the service life of the vaporization-cooling chimney.

The present invention relates to a multi-function fast-assembly mounting hole. A rectangular top portion of the mounting hole has a half-round hole, first and second position limiting holes symmetrically extend outside on the half-round hole of the top portion of the mounting hole, a plurality of small rectangular positioning holes is uniformly distributed on the edge of the mounting hole, an opening is formed at one end of each of any three rectangular positioning holes, each opening end communicates with the mounting hole through a straight flute, a bottom portion of the mounting hole is a fast-assembly opening, and third and fourth position limiting holes are symmetrically disposed at junctions between two sides of the fast-assembly opening and the mounting hole. The present invention is applicable to 98% of domestic and foreign electric tools, thereby greatly improving the utilization of the electric tools, and also greatly improving the productivity and reducing the work intensity of users because it is convenient and quick for the users to change a tool head.

The invention relates to an X-ray nondestructive inspection method, belongs to the technical field of nondestructive inspection and particularly relates to a method using a photographic density value to measure the homogeneous material thickness. The method comprises the first step of previously estimating the thickness of the detected homogeneous material and choosing a standard step test block, the second step of carrying out radiography on the chosen standard step test block and using a nigrometer to measure the density value corresponding to the standard step test block, the third step carrying out fitting between the radiography density value measured by the nigrometer in the second step and the chosen density value of the standard step test block in the first step to obtain a fitting formula and the fourth step of using the method in the second step take pictures for the homogeneous material to be tested, measuring the radiography density value and substituting the density value into the fitting formula obtained in the third step to calculate the density value of the homogeneous material to be tested.

The invention relates to a multifunctional crane excavator which has both the hoisting function and the excavating function. By using a chassis of a crawler excavator as an excavator body, the multifunctional crane excavator is provided with a main arm, an auxiliary arm, a balance arm, a supporting seat, a derricking hydraulic cylinder, a main hydraulic winch, an auxiliary hydraulic winch and a balance weight. A gravitational moment which is generated when the multifunctional crane excavator carries out lifting and excavating operations is balanced by a gravitational moment of the balance arm at the other end of the supporting seat; the gravitational moment which is generated during lifting and excavation does not act on the body of the multifunctional crane excavator fully, the roll-over action on the multifunctional crane excavator is very small, therefore, the safety under the condition of the same lifting and excavating capability is improved. Accordingly, the invention is quite suitable for application in special lifting sites and special excavating operations.

The invention relates to an ultra-low-dose X-ray human body security inspection system with double exchange platforms, the system comprises an X-ray source, a collimation part, an inspection channel, an X-ray detector, an image acquisition and processing device, a control device and an operation console, wherein the inspection channel comprises an inlet, an outlet and a mobile inspection platform, the mobile inspection platform is a dual-circulation platform and comprises a first platform, a second platform, two upper tracks, two lower tracks, a platform driving mechanism, a platform lifting link mechanism and a base, the first platform and the second platform are respectively movably mounted on the upper tracks and the lower tracks and move along the reverse directions of the upper tracks and the lower tracks under the drive of the platform driving mechanism arranged on the outer side, and the upper and the lower positions of the first platform and the second platform on the lower tracks and the upper tracks are exchanged through the platform lifting link mechanism after running in place at each time. The ultra-low-dose X-ray human body security inspection system can double improve the inspection capacity and the customs clearance efficiency, have smooth running, good linearity and uniform movement speed and greatly improve the X-ray inspection imaging quality.

The invention discloses a sampler for multi-channel gases and particulate matters and a using method of the sampler. The sampler comprises a sample gas inlet, a first multi-way pipe, a sampling head, a flow sensor, a display screen, a keyboard, a USB interface, a singlechip, an ambient temperature sensor, a pressure sensor and an atmosphere pressure sensor, wherein the sample gas inlet is connected in parallel with the sampling head through the first multi-way pipe; a gas outlet of the sampling head is connected with the flow sensor, the pressure sensor and an air exhaust device; the flow sensor, the air exhaust device, the display screen, the keyboard, the USB interface, the ambient temperature sensor, the atmosphere pressure sensor and the pressure sensor are electrically connected with the singlechip. The invention provides the sampler, so that operations of multiple samplers can be finished, several samples are simultaneously collected according to the types of the selected sampling head. Therefore, according to the sampler for multi-channel gases and particulate matters and the using method of the sampler, the labor cost and transportation cost are reduced, and the purchase cost and operating energy are saved.

A method and apparatus for driving a non-native SATA hard disk applied in a computer is provided. The computer includes a basic input/output system (BIOS) and an operating system (OS), both of which support an advanced configuration and power interface (ACPI). The non-native SATA hard disk includes a conversion interface and a parallel ATA (PATA) internal disk. First, issue an interrupt. Then, process an interrupt handle routine for detecting and saving the timing mode of the PATA internal disk. Next, load a default IDE driver. Then, report the saved timing mode. Finally, set the SATA hard disk according to the timing mode.

The invention discloses an intelligent road-lamp road-section exchanger. The road-section exchanger controls a plurality of road lamp terminal controllers, and each road lamp terminal controller respectively controls a plurality of road lamps; the road-section exchanger comprises a power module, a centralized control module and a communication module, wherein the centralized control module is respectively connected with the power module and the communication module; and the communication module comprises a carrier wave communication module or/and a GPRS communication module or/and a Zigbee communication module. The intelligent road-lamp road-section exchanger provided by the invention and used for intelligent illuminating systems can realize controlling one point by multiple points: multiple light sources with different functions on the same lamp post can be controlled independently or entirely.

A three-layer rapid composting device and a composting method by the device relate to a composting device and a composting method by the device. The invention aims to solve problems of long composting period, odor pollution and low fermentation efficiency that exist in an existing membrane-covered composting method. The device of the invention comprises a trapezoid cement base, a draught fan, a perforated feed pipe, a V-shaped percolate guiding chute, a waterproof and breathable membrane, a percolate draft tube and a percolate collecting box. the method of the invention comprises the following steps: 1, burden distribution: a fermentation material and a compost clinker are mixed and the mixture is placed at the bottom of the three-layer rapid composting device, the compost clinker is covered, and a waterproof and breathable membrane is covered; 2, fermentation for 7-20 days. According to the invention, the compost clinker and the fermentation material are mixed without adding a conditioner. Thus, purchase expense of a conditioner is reduced, composting period is shortened, and energy consumption is decreased. By changing ventilation direction, no energy is additionally added. In addition, fermentation efficiency is enhanced, and composting period can be remarkably shortened.

The invention discloses a simulated original ecological dendrobium-candidum cultivation greenhouse which comprises a greenhouse body, hooks, sunshading nets and a cultivation rack. The simulated original ecological dendrobium-candidum cultivation greenhouse is characterized in that: the bracket of the greenhouse body is made of steel pipes or cement, bamboo and other materials; a plurality of sunshading nets are uniformly distributed on the top of the greenhouse body, and an interval is left between every two sunshading nets; the cultivation rack is arranged below the sunshading net; and pine barks used as the cultivation medium are arranged on the plastic plane net of the cultivation rack. The simulated original ecological dendrobium-candidum cultivation greenhouse is simple in structure, can resist wind and is durable. Adopting the pine barks used as the cultivation medium, the simulated original ecological dendrobium-candidum cultivation greenhouse is hydrophobic and breathable, can resist decay and insects, has a wide range of application and is easy to use. Due to the adoption of the simulated original ecological dendrobium-candidum cultivation greenhouse, the production cost is reduced significantly.

The invention discloses a processing system and a processing method for compatible processing of a natural material gravel and artificial hard rock and gravel. The processing system comprises a stock bin, wherein a coarse crushing device is arranged below the stock bin, and matched with a first screening device; a medium crushing device is arranged behind the first screening device and matched with a second screening device; an ultra-crushing device is arranged behind the second screening device and matched with a third screening device; a rod mill is also arranged inside the processing system. By adopting the system and the method, two independent single-material source gravel systems, namely a land natural material gravel system and an artificial hard rock and gravel system are merged into a hard rock and gravel system and a natural material processing system, and can be compatible to treatment of two gravel materials. Staged production is adopted in a production form; screening equipment is designed according to the natural material when processing equipment is prepared, the crushing equipment is designed according to an artificial material, the maximal load demands are met, and flexible adjustment is carried out through a sealing-tape machine and a slide chute in the staged production, so as to adapt to the requirements of characteristics of different material sources.

The invention discloses a refrigerant recycling machine, and provides a portable low-leakage refrigerant recycling machine which is compact in structure, fewer in leak points, low in cost and high in quality and performance stability, which solves the technical problems of the prior art that the connection pipeline is easy to leak, the purchase cost and the assembling cost are high, the overall size is large, and the like. The portable low-leakage refrigerant recycling machine comprises a shell and a compressor which is arranged in the shell, wherein one end of the compressor is provided with a fan, the other end of the compressor is provided with a condenser, an air cylinder cover of the compressor extends to be provided with an integrated control valve, the integrated control valve is provided with a condenser pipeline interface which is in butt joint with the condenser as well as an input interface and an output interface extending out of the shell, a plurality of inner pipeline passages are arranged in the integrated control valve, and the input interface and the output interface are communicated with an air cylinder of the compressor and the condenser through the inner pipeline passages.

The invention discloses an intelligent centralized street lamp control system and a method for providing a wireless WIFI hotspot. The system comprises an intelligent street lamp centralizer, the intelligent street lamp centralizer communicates with an urban trunk network via an optical fiber transceiver, the intelligent street lamp centralizer communicates with multiple WIFI APs in a broadband power carrier communication mode, and the WIFI APs are integrated on single lamp controllers. A WIFI network networking mode between the intelligent street lamp centralizer and a large number of single lamp controllers adopts a centralized control-type AC+Fit AP networking mode. The broadband power carrier communication mode for the existing street lamp power supply network is used for replacing a communication mode for a special cable such as an optical cable, and a large amount of communication cable purchasing and laying cost is saved. The existing street lamp pole is used for mounting a WIFI hotspot device, the power supply problem of the wireless WIFI network device is solved, the cost of laying the power supply cable is saved, and the pole tower purchasing and laying cost is saved.

A straight end steel bar cutting machine is characterized in that the machine not only has the common functions of ordinary steel bar cutting machines, but also has a positioning top pressure block on the other side of its incision, which can automatically cut off the steel bar at the moment before cutting. Hold the steel bar to be cut and form a 90-degree angle with the blade. The ends of the steel bars cut by this machine are straight and have no slope and horseshoe shape. Between the bottom blade in the cutout and the positioning top pressure block, a height adjustment pad is set. The A side of the machine is equipped with a fixed-length channel steel, and the B side is equipped with a roller-type horse stool rack. There are two main functions of this machine: it can not only use the arc-shaped incision steel bar cutting machine blade, and the cut steel bar can be directly used for straight thread threading; but also can use the ordinary steel bar cutting machine blade for ordinary cutting. There are two ways of operation: continuous cutting and pedal cutting. It has the advantages of high efficiency and low consumption, and solves the problems in the straight thread connection process for many years.

The invention discloses a double-line construction method for a double-block ballastless track bed board of a railway passenger special line, which is characterized in that: a double-line orbit is divided into a first line and a second line; the first line is constructed firstly, and the second line is constructed after the first line; an access road which is parallel to the line and constructed in civil engineering construction below the line is used as the access road below the line; a first line track bed board takes a second base bed of the second line track bed board without being constructed as the access road on the first line; the second line track takes the paved first line orbit as the access road on the second line; and the first line and the second line are two individual construction production lines. In the construction method, the construction progress can be reasonably arranged; corresponding sections which are constructed previously can be effectively utilized; the logistics problem of the ballastless track bed board is solved; and the construction efficiency and the construction quality are ensured, the construction cost is reduced, and the environmental pollution is reduced.

The invention provides a camera interior orientation element calibration device and method based on array star points. The calibration device comprises a light source, an m*n array star point reticle,a collimator, a vibration isolation bench and a lifting workbench. The m*n array star point reticle is used for forming an m*n array star point image in a camera to be calibrated through the collimator, and a field of view of the camera to be calibrated is filled with the formed array star point image. The collimator is used for simulating the camera to be calibrated to image an infinite star point reticle. An air floatation vibration isolation bench is used for supporting and installing the collimator. The lifting workbench is used for supporting the camera to be calibrated to image the m*narray star points in the collimator. And according to pixel coordinate values of the array star points in an imaging plane, an object image geometric relationship between the array star points and star point images is established, and a camera interior orientation element and a distortion coefficient are solved. A high-precision angle measurement rotary table is not needed to carry out angle measurement, manufacturing or purchasing cost of the high-precision angle measurement rotary table is saved, and an influence of a rotary table angle measurement error on camera calibration precision is eliminated.

A conveyor (1) comprises two helical conveying tracks (2, 3) and a bridging track (4) which connects the two helical conveying tracks (2, 3) to each other such that products can be transported upwardly via one helical conveying track (2), then via the bridging track (4) to the other helical conveying track (3) and subsequently downwardly via the other helical conveying track (3). The conveyor (1) is provided with a driveable endless conveyor belt which follows at least one of the helical conveying tracks (2, 3), at least a part of the bridging track (4) and a return track (5), wherein the return track (5) at said one helical conveying track has a vertically oriented portion (5a) and a horizontally oriented portion (5b), which horizontally oriented portion (5b) is disposed below the bridging track (4) and extends beyond the vertically oriented portion (5a) with respect to the centre line of said one helical conveying track.

The invention discloses a method for blocking a large-pipe-diameter rainwater pipeline through a short air bag. The method includes the following steps that firstly, the pipeline is strengthened, and a foundation pit is excavated; secondly, impurities are removed; thirdly, the short air bag is arranged, and fixing is firm; fourthly, the short air bag is connected with an air compressor; fifthly, a three-way air valve is checked; sixthly, pressurizing and inflating are conducted; seventhly, sealing is achieved; eighthly, after work is completed, the three-way air valve is adjusted, and exhausting is conducted; ninthly, the short air bag is pulled out. According to the method for blocking the large-pipe-diameter rainwater pipeline, the short air bag is used for blocking the drain pipeline, the problems that that great danger exists in the brick wall detaching work, blocked residues can be hardly removed thoroughly, rubbish mixed in fluid in the pipeline may block the pipeline, and the use safety of the pipeline is affected are solved, the purchase cost and the use cost are saved, the time cost of the construction progress is saved, various costs are reduced, the construction cost is reduced, the economic benefits are improved, underground unmanned work is achieved, the safety of workers is ensured, and the construction period is shortened.

The invention relates to a tamping type coking coke oven gas collection device, which belongs to the technical field of coal coking equipment. The tamping type coking coke oven gas collection device consists of an ascending pipe, a negative pressure smoke absorbing device and a gas collecting pipe, wherein the ascending pipe is communicated with the negative pressure smoke absorbing device, and the negative pressure smoke absorbing device is communicated with the gas collecting pipe. The device has the advantages of effectively saving production cost, improving product yield and solving the problem of gas escape during raw gas recovery, along with energy conservation and environmental protection.

The invention discloses an upper computer control-based CAN bus communication system and method. The system comprises a controller, a ZLG-USBCAN2, a CANSressDR and a CANScope. The method comprises steps: 1, a producer/consumer circular data structure is adopted; 2, a queue mode is adopted for operation between cycles; 3, parsing and filtering of a receiving message ID are recognized; 4, single-frame messages in PDU1 and PDU2 formats are put in the queue; 5, dialog and broadcast multi-frame messages with a data field greater than 8 bytes are synthesized and recombined according to a J1939 protocol to be put in the queue; 6, message frames of other data are discarded; 7, parsing and packaging of a sending message ID are recognized; 8, the message is parsed to determine a frame type state variable; 9, a single-frame sending message is directly put in the queue; 11, after packing, packaging and clustering, putting in the queue is carried out; and 11, after processing J1939 sending messagecluster decomposition, getting out of the queue and writing to a CAN port are carried out. The system and the method disclosed in the invention have the superior effects that the upper computer control software is used to replace the traditional Vector CANoe module, the purchase and maintenance cost is saved, the practicability is increased, and the cost is reduced.

The invention discloses a design method based on water-cooling equipment cabinet temperature dynamic control. The method comprises the steps that the air return temperature, the air supply temperature and the water temperature of a equipment cabinet in the stereo scope are set through a control and management unit of a water-cooling equipment cabinet, the temperature values of temperature probes which are arranged on the front and back of a water-cooling coiler are captured through a modulus conversion chip, and an air temperature set point and a water temperature set point are compared and controlled to choose corresponding temperature control strategy; if the current obtained temperature is much higher than or much less than the set temperature point, the control strategy which can increase or decrease the fan rotating speed and the water flow on a large scale is automatically chosen, if the current obtained temperature is close to the set temperature point, the relatively stable control strategy is automatically chosen, and the fan and the water flow can be adjusted according to the chosen control strategy. The design method based on the water-cooling cabinet temperature dynamic control has the advantages of achieving the quick adjustment of the temperature, saving the procurement cost and the software cost, facilitating artificial maintenance and saving energy sources.

The invention relates to a simulating device of the ignition electric property of an igniter and a method thereof, which belong to the test technique of an electric network of an aircraft. The simulating device comprises a program controller, a programmable direct current power supply A, a programmable direct current power supply B, a power converting control box and a GPIB control module, wherein the program controller is provided with an LabView visual instrument software development platform capable of developing programmable software; the GPIB control module is a USB converting GPIB bus control module; and the power converting control box is used for controlling power supply in a manual mode. Different line drops generated by current change can be simulated by voltage change by the device and the method; and a test process does not have a large current phenomenon and can be repeated. The invention has the advantages of high safety and economy and is especially suitable for carrying out an ignition verification test on an aircraft.

The invention discloses a mute circuit for an ion type smog alarm. The mute circuit comprises a mute key, a first high-resistance resistor R1 and an audion npn which are connected in series; a collecting electrode and an emitting electrode of the audion npn are connected with a first sensitive terminal PIN13 and a second sensitive terminal PIN4 respectively; the mute key and the first high-resistance resistor R1 are earthed through an electrolytic capacitor E; and the input end of the mute key is connected with the power supply voltage Vdd. Through improvement and optimization of a peripheral circuit, the mute circuit for the ion type smog alarm is applied to the ion type smog alarm, can well realize the function of HUSH (hush) and meet the requirement of customers.

The invention relates to a PLC (Programmable Logic Controller)-based automatic timing system and a timing method thereof, which are used for automatically calculating the workload per shift of workers in a metal product plant. The system comprises a motor, an alternating current contactor, a PLC controller and an upper computer, wherein the motor is arranged at one end of a finished product line; the PLC controller is used for acquiring a switching signal of the alternating current contactor, calculating the running time of the motor, and transmitting data to the upper computer over an industrial Ethernet network; the upper computer is used for calculating the yields of each draw bench and each nail making machine according to the running time of the motor, and directly generating a report for calculating the work amount of each worker; meanwhile, the upper computer is used for transmitting a zero clearing command to a PLC main station; after the PLC main station clears all data of a current shift, the system starts a new round of timing. By adopting the automatic timing system, the waste of labor-hour caused by weighting of finished products before the workers get off work every day is avoided, the purchasing and maintaining costs of weighing equipment are saved, meanwhile the production rhythm is accelerated, and the production efficiency is increased.

The invention discloses an automatic biological sample pretreatment device. The automatic biological sample pretreatment device comprises a magnetic field control module, a test tube mixing module, and an electronic control module; the electronic control module is taken as the key control part of the automatic biological sample pretreatment device, and is connected with the magnetic field control module and the test tube mixing module respectively; the magnetic field control module comprises a magnet elevating driving motor, a lead screw, a linear guide rail, an elevating sliding block, an elevating sliding block positioning trigger board, a magnet arrangement table fixing plate, a magnet arrangement table, a second photoelectric switch fixing plate, a third photoelectric switch fixing plate, and two photoelectric switches; the test tube mixing module comprises a first test tube arrangement table rotating fixing shaft, a second test tube arrangement table rotating fixing shaft, a test tube arrangement table rotating locating pin, a first photoelectric switch, a test tube arrangement table, and a test tube table rotating motor. The automatic biological sample pretreatment device can be used for realizing automation of biological sample pretreatment including processes such as mixing and separating; sample liquid transferring need in experimental operation is reduced; possibility of cross contamination is reduced; automation degree is high; mechanical structure is simple; and practicality is high.

The invention belongs to the field of a petrochemical industry, and relates to a white contrail production agent for a flight performance. The white contrail production agent for a flight performance comprises a base component, a modified component and colloidal nucleuses. The base component is mineral oil having a distillation range of 200 to 350 DEG C, density of 841.4kg/m<3>, kinematic viscosity of 6.3036mm<2>/s at a temperature of 20 DEG C and a flash point of 135 DEG C. The modified component is mineral oil having a distillation range of 350 to 500 DEG C, density of 0.8657kg/m<3>, kinematic viscosity of 51.101mm<2>/s at a temperature of 20 DEG C and a flash point of 285 DEG C. The white contrail production agent for a flight performance replaces the originally used aviation lubricating oil VIII, guarantees flight training and flight performance tasks of a performance brigade, has large military and economic benefits, realizes high contrail sharpness, and has moderate hang time and good ornamental effects.

The invention relates to an analytical calculation method for the magnetorheological liquid viscosity of a vibration absorber at different temperatures, which belongs to the field of vibration absorbers. Currently, an easy and reliable method has not been brought forward for calculation of magnetorheological liquid viscosity, a special-purpose test instrument or equipment is adopted on most occasions, and only a viscosity parameter value at normal temperature can be measured. The invention is characterized in that conventional vibration absorber characteristic testing equipment and a conventional temperature control box are utilized for analytical calculation of the viscosity mu 0 of magnetorheological liquid used in the vibration absorber through damping characteristic test and test values of the vibration absorber at different temperatures based on structure parameters of the vibration absorber. According to the method, purchase expense for test instruments is lowered down, the obtained viscosity value mu 0 of the magnetorheological liquid better reflects physical truth, a foundation is laid for establishment of an accurate and reliable magnetorheological vibration absorber parameter design and characteristic simulation model, the design level, the quality and the performance of the vibration absorber can be further improved, and ride performance of a vehicle is enhanced.