31results about How to "Strong power consumption" patented technology

The invention relates to an alternating current / direct current sensor. The alternating current / direct current sensor comprises a high-permeability transformer unit, an excitation signal generation unit, a direct current signal detection unit, a restoring circuit unit, an alternating current signal processing unit and a power amplification unit. The high-permeability transformer unit comprises a first magnetic core, a second magnetic core, a first magnet exciting coil, a second magnet exciting coil, a third magnetic core, a primary coil, a secondary coil and an auxiliary coil, wherein the first magnetic core and the second magnetic core are independent of each other; the first magnet exciting coil and the second magnet exciting coil are wound around the first magnetic core and the second magnetic core respectively; the third magnetic core, the first magnetic core and the second magnetic core are overlapped so as to form an integrated magnetic core; the primary coil, the secondary coil and the auxiliary coil are wound around the integrated magnetic core. The performance of the alternating current / direct current sensor is improved remarkably. The alternating current / direct current sensor has the advantages of being low in power dissipation, high in magnetic disturbance resistance capacity, simple in structure, light, high in response speed, high in flexibility, good in interchangeability, convenient to install, calibrate, adjust and maintain, and the like.

The invention discloses an ammonia-nitrogen wastewater treatment system and an ammonia-nitrogen wastewater treatment method. The treatment system comprises an ammonia-nitrogen wastewater storage tank,an adsorption column group, a sodium chloride solution collection box, an electrolytic bath and a control terminal, wherein the adsorption column group comprises two adsorption columns arranged in parallel; each adsorption column comprises a housing; inlets / outlets for allowing ammonia-nitrogen wastewater and regenerated liquid to flow in / out are formed in each housing; each housing is connectedwith the ammonia-nitrogen wastewater storage tank and the electrolytic bath through pipelines provided with solenoid valves; the electrolytic bath is communicated with the sodium chloride solution collection box; a gas discharging outlet for discharging gas is formed in the top of each housing; and the solenoid valves are electrically connected with the control terminal. When the ammonia-nitrogenwastewater is treated, the control terminal controls the solenoid valves to be switched on or off, so that the two adsorption columns alternately performs adsorption and regeneration processes, so that the wastewater treatment efficiency is greatly improved. The ammonia-nitrogen wastewater treatment system can achieve the purposes of low treatment cost and high efficiency.

The invention relates to the method for dealing with the validation information of the mailing article as well as the hand held type collector for the mailing information. The method includes following steps: the hand held type collector collects the mailing information of the mailing articles: generating the mailing information; processing the mailing validation information; the completion of processing the mailing validation information. The method realizes the data sharing in the whole mailing procedure and providing the mutual check of the information between the postman and the user. The collector including the microprocessor possesses the scanner head for the two-dimension bar code and the blue teeth module. The address multiplexing is realized. The invention device possesses the features of large capability, the wide encoding region, high relaibility etc.

The invention discloses a soil moisture detector applicable to different soil depths, which includes a soil moisture sensor and a data acquisition and display instrument communicatively connected with the soil moisture sensor. The soil moisture sensor includes a shell, and the shell is divided into a front shell sealed by epoxy resin There are two parts, the body and the rear shell. There are electronic circuit device boards and shielded cables inside the shell. The electronic circuit device board is integrated with a passive crystal oscillator that oscillates through a clock circuit. The passive crystal oscillator is connected with a Schmitt trigger, signal Attenuators, probes, true rms detectors, and power supply filtering circuits to provide a stable, ripple-free operating voltage. The invention has the advantages of low cost, simple structure, real-time measurement and applicable soil moisture of different soil depths.

The invention belongs to the technical field of packing and relates to a coil paper detector used for a paper supply system of packaging equipment on a high speed production line of light industry. The detector consists of a base, a shell, a status display lamp, test light sources, a photoelectric induction device, a detecting head, an outgoing line plug-in and a detecting circuit board; wherein, the detecting head extends outside the shell, the front end of the detecting head is provided with a rectangular slot, and the two groups of test light sources and the photoelectric induction device are installed on the two walls of the slot in an opposite way; a detecting circuit comprises the test light sources, the photoelectric induction device, a signal amplification circuit, a data processing circuit, a signal output circuit and a status display circuit; when the tested wrapping paper normally passes through the rectangular slot of the detecting head, no control signal is output from the detector; when the tested wrapping paper has the phenomena of misplacement, discontinuity and failure crack, the control signal is output from the detector, and a controller and an actuator on the production line can be used for stopping the work of a host machine and the paper supply system, thus effectively ensuring the normal high speed running of the production line.

The invention relates to a graphene field effect transistor, in particular to a manufactured method of a transistor based on the graphene field effect. According to the method, metal gas source Ga ions are used for illuminating the surface of graphene, hole doping is carried out on the graphene, the Ga ions can lead pressure stress into the graphene, and the heat generated by illumination has an annealing function for the graphene. For the transistor based on the modified graphene field effect, the annealing function relieves the output nonlinearity of the field effect transistor, the led-in pressure stress opens the energy band structure of the graphene, the switch ratio of the graphene field effect transistor is improved, and the application of the field effect transistor in a logic circuit is promoted.

The invention relates to a graphene-based gas sensitive sensor material loaded with a metal palladium and a preparation and an application. The preparation comprises the following steps of: pre-oxidizing the graphene, and then performing oxidation treatment; reducing the oxidized graphene to reduced graphene oxide by an one-step reduction method; and simultaneously loading the metal palladium on the surface layer of the reduced graphene oxide to obtain a graphene-based gas sensitive sensor material. The graphene-based gas sensitive sensor material has excellent hydrogen sensing properties, exhibits 23% sensitivity to 1000 ppm hydrogen gas under normal-temperature and oxygen-free environment, and exhibits far better selectivity than other gases. The sensing material has a very wide application prospect due to the characteristics of being capable of operating in a normal-temperature and oxygen-free environment and high selectivity.

The invention discloses a bottom-water temperature detection system, which comprises a power supply, a host and an underwater temperature sensor array, wherein the underwater temperature sensor array comprises a plurality of digital temperature sensors located in sea water; all the digital temperature sensors are respectively located at different depth in sea water; the host is connected with the underwater temperature sensor array in a single-bus three-wire system manner; the single-bus three-wire system manner refers to that the host and the underwater temperature sensor array communicate by adopting a bus; a working power supply is obtained by each digital temperature sensor from a data line; the host gives a command through the bus to start the underwater temperature sensors to begin to detect the temperature, and the temperature data collected by the underwater temperature sensors is read through the bus to realize detection on bottom-water temperature at different depth. The bottom-water temperature detection system is easy to implement, high in temperature detection accuracy and good in anti-interference performance.

The invention provides a renewable resource classification and recovery box. The renewable resource classification and recovery box comprises a box main body; the box main body is divided into a mainbox body, a first sub-box body, a second sub-box body and a third sub-box body; an access door is arranged on the upper portion of the front side of the main box body; a touch screen is arranged on the upper portion of the front side of the access door; a bank card slot is formed in the left side of the lower portion of the touch screen; a radio frequency card reader is arranged on the lower portion of the bank card slot; a bill outlet is formed in the right side of the lower portion of the touch screen; a plug is arranged on the lower portion of the bill outlet; and an input and output moduleis arranged on the upper portion of the reverse side of the access door and corresponds to the touch screen. According to the renewable resource classification and recovery box, different types of waste such as metal, plastic and paper can be weighed, fees can be returned, so that people can classify the waste and then put the waste into the recovery box, and therefore the enthusiasm of people can be improved, the recovery treatment awareness of the waste can be enhanced, and the recycle value of the waste can also be enhanced.

The invention discloses a high-reliability Zigbee ad hoc network system adopting multiple NB-IoT (Narrow Band Internet of Things) node gateways in the technical field of wireless communication and Internet of Things. The system comprises a plurality of NB-IoT base stations, a plurality of Zigbee node modules, a plurality of NB-IoT node gateways, the Internet and a monitoring cloud server, any oneNB-IoT base station is in signal connection with the Internet; the Internet is in signal connection with a monitoring cloud server; any NB-IoT base station is in signal connection with the adjacent NB-IoT node gateway; the plurality of Zigbee node modules and the plurality of NB-IoT node gateways form a signal path. By adopting multiple NB-IoT node gateways, mutual backup of connection between theInternet and the monitoring cloud server is provided, the reliability of remote monitoring of the Zigbee ad hoc network system is greatly improved, and the application scene and the application rangeof Zigbee networking are expanded.

The invention belongs to the technical field of measuring of mechanical environments of well drill bits, and specifically relates to a data acquiring system for a well drill bit, an application method of the system and an acquiring recorder. The system comprises the acquiring recorder, a testing computer, a power supply system and a signal system; the acquiring recorder is used for converting a sensor signal and storing and sending the result data; the testing computer is used for setting the parameters of the acquiring recorder and acquiring data from the acquiring recorder; the power supply system is used for supplying power to the acquiring recorder; the signal system is used for providing a signal to the acquiring recorder; when in use, the debugging and calibration are carried out before mounting; the acquiring recorder comprises a multi-channel signal adapting module, an analog-digital converter, a storing unit, a power managing module, and a built-in communication management unit type control CPU. The system has the beneficial effects that the acquiring recorder is small, the reliability is improved, the application pertinence is improved, and the void in the measuring field fills.

The invention relates to a process coupling catalyzed iron with a biological filter. A catalyzed iron reaction tank is arranged in front of the biological filter. A catalyzed iron bed is arranged at the upper part of the biological filter, an aerator pipe is arranged at the lower part of the biological filter, and a water inlet is formed at the bottom of the biological filter. A PVC (polyvinyl chloride) packing layer is arranged at the upper part of the biological filter, the aerator pipe is arranged at the lower part of the biological filter, and the bottom of the biological filter is connected with a water outlet in one side of the top of the catalyzed iron reaction tank. The process comprises the following steps: refractory industrial wastewater enters the catalyzed iron reaction tank, the pH value of in-water is controlled within a range of 5.0-10.0; the inner part of the catalyzed iron reaction tank adopts the aerator pipe for aeration, the concentration of dissolved oxygen is controlled within a range of 0.01-5.0mg / L, the stacking density of the catalyzed iron bed is controlled within a range of 0.1-0.5kg / dm-3, and the hydraulic retention time is controlled within a range of 0.5-1 hour; out-water of the catalyzed iron reaction tank is used as the in-water of the biological filter to carry out biological treatment, and the pH value of the in-water of the biological filter is controlled within a range of 6.0-8.0; the inner part of the biological filter also adopts the aerator pipe for aeration, and the concentration of the dissolved oxygen is controlled within a range of 2.0-4.0mg / L-1; and the stacking density of PVC packing in the biological filter is controlled within a rang of 0.01-0.05kg / dm-3, and the hydraulic retention time is controlled within a range of 2.0-4.0 hours. The out-water passing through the biological filter is drained into water. The COD removal rate of the industrial wastewater subjected to the purifying and biochemical treatment by the method can reach 50 percent, and the new standard is stably reached.

The invention discloses a mineral separation method for replacing sodium cyanide during bismuth concentration. The method comprises the following steps of 1, flotation, wherein a branch series flow flotation novel technology is adopted, a foam product obtained after bismuth silicon removal scavenging and original desulfurated mine are subjected to flotation together; S2, flow division, wherein foams obtained after scavenging at the later period of flotation are subjected to flow division; S3, measurement, wherein the selected grades of the foams obtained after flow division are measured; S4, stirring, wherein pulp foams are introduced into a stirring device for performing stirring work through a high speed stirrer; S5, reagent removal, wherein bleaching powder and ethyl thio carbamate areadded into the treated pulp; S6, tailing treatment, wherein tailings obtained after flotation is adjusted through clean water to be neutral, and wastewater is introduced into lime for performing neutralizing. The method is scientific, reasonable and safe and convenient to use; bleaching powder and ethyl thio carbamate are added into the reagent removal process, sodium cyanide replied on in siliconremoval work in bismuth concentration work is replaced, flotation reagent consumption is lowered, a separation index is increased, and potential safety hazards caused by sodium cyanide leakage are reduced.

The invention discloses a photovoltaic surface intelligent sweeping system control device which comprises an MCU control module, a power module, a motor control module, a sensor communication module,a network communication module, a GPS positioning module, a serial communication module and a self detection and alarm module. During the control process of photovoltaic intelligent sweeping, the power module supplies power to all modules; a temperature and humidity sensor and a wind power sensor transmit the weather condition to a control chip through the sensor communication module; the self detection and alarm module transmits the self operating parameters of equipment to the control chip; a travel switch judges whether a sweeping robot walks to the edge of a working area and transmits theinformation to the control chip; the control chip processes and analyzes the obtained various information to obtain a result; and then the control chip uploads the result to an upper computer throughthe network communication module, analyzes the information to control the working condition of a motor, and judges whether the data is abnormal and whether to give an alarm.

The invention provides a metal waste recycling tank which comprises a tank. The tank is divided into a main tank and a branch tank, a maintenance door is arranged on the upper portion of the front surface of the main tank, a touch screen is arranged on the upper portion of the front surface of the maintenance door, a camera is arranged in the middle of the upper portion of the touch screen, a bankcard slot is arranged on the left side of the lower portion of the touch screen, a radiofrequency card reader is arranged below the bank card slot, a bill outlet is formed in the right side of the lower portion of the touch screen, and a lock cylinder is arranged below the bill outlet. The metal waste recycling tank has the advantages that metal waste can be weighed, expense can be refunded, accordingly, people are subjectively willing to recycle the metal waste, the enthusiasm of people can be improved, the metal waste recycling and treatment awareness can be enhanced, and the reuse value ofthe metal waste can be increased; a tank cover can be opened only when face recognition of the camera is matched with registration information of bank cards, waste placed in the metal waste recyclingtank can be detected by a metal detector, and alarm can be raised when nonmetal is discovered.

The invention discloses a capacitor switching switch. The switch comprises a three-phase source input end, a three-phase control output end, first and second electronic switches, first and second current transformers, first and second switch two-end zero-crossing signal detecting circuits, first and second zero-crossing trigger modules; first and second current detecting circuits and a control unit, wherein the first current transformer and the first electronic switch are sequentially connected in series between a first input end and a first output end; the first input end is connected with the A phase of three-phase source input; the first output end is connected with the first end of a three-phase power capacitor; the first current transformer is connected with the first current detecting circuit; the first switch two-end zero-crossing signal detecting circuit is located at two ends of the first electronic switch; the first zero-crossing trigger module is directly connected with the first electronic switch; the control unit is connected with the first current detecting circuit, the first switch two-end zero-crossing signal detecting circuit and the first zero-crossing trigger module respectively; a C circuit is same as an A circuit.

The invention discloses an anti-interference network and its application. The anti-interference network includes four inductance coils, that is, the first to fourth inductance coils. The anti-interference network is realized by the coupling effect between the inductance coils. There are two coils For parallel connection, these four inductance coils form a three-port high-order transformer coupling network. The input and output transfer functions have frequency selective characteristics. The low noise amplifier using this anti-interference network can effectively suppress out-of-band interference signals. And the anti-interference high-order transformer coupling network adopted will not deteriorate the noise figure, gain and other indicators of the amplifier, and will not increase the DC power consumption at the same time.

The invention relates to the power distribution communication network, particularly to a power distribution communication network based on the TD-LTE technology and a mesh topological structure. The invention solves the problem that the conventional power distribution communication network is not stable in operation, poor in reliability, slow in network creation speed and poor in mobile supportability. The power distribution communication network based on the TD-LTE technology and the mesh topological structure comprises FTUs (Field Transfer Unit), wireless receiving and dispatching modules, branch TD-LTE base stations, a central TD-LTE base station, a scheduling server, a main power distribution station and a Bluetooth channel; each FTU is in one-to-one correspondence with each wireless receiving and dispatching module; each wireless receiving and dispatching module is in one-to-one correspondence with each branch TD-LTE base station through the Bluetooth channel; each branch TD-LTE base station is connected with the central TD-LTE base station mutually through the Bluetooth channel to form the mesh topological structure. The power distribution communication network is applicable to supervision of power distribution lines.

The invention relates to an alternating current / direct current sensor. The alternating current / direct current sensor comprises a high-permeability transformer unit, an excitation signal generation unit, a direct current signal detection unit, a restoring circuit unit, an alternating current signal processing unit and a power amplification unit. The high-permeability transformer unit comprises a first magnetic core, a second magnetic core, a first magnet exciting coil, a second magnet exciting coil, a third magnetic core, a primary coil, a secondary coil and an auxiliary coil, wherein the first magnetic core and the second magnetic core are independent of each other; the first magnet exciting coil and the second magnet exciting coil are wound around the first magnetic core and the second magnetic core respectively; the third magnetic core, the first magnetic core and the second magnetic core are overlapped so as to form an integrated magnetic core; the primary coil, the secondary coil and the auxiliary coil are wound around the integrated magnetic core. The performance of the alternating current / direct current sensor is improved remarkably. The alternating current / direct current sensor has the advantages of being low in power dissipation, high in magnetic disturbance resistance capacity, simple in structure, light, high in response speed, high in flexibility, good in interchangeability, convenient to install, calibrate, adjust and maintain, and the like.

The invention discloses rice nutrition powder extraction equipment and an operation method thereof to mainly solve the problem of resources waste due to the fact that embryos having nutrient values are abandoned along with bran and are not fully utilized during rice milling through the existing similar products. According to the rice nutrition powder extraction equipment, rice bud grains and rice bud films after unshelling are milled, the number of grains milled from rice buds and rice bud films is greater than or equal to 180 meshes, thick and thin powder of the milled rice bud films are respectively screened, and the rice buds and the rice bud films smaller than 180 meshes are milled continuously. The rice nutrition powder extraction equipment is provided with a rice milling equipment and a nutrient powder milling powder extraction equipment; the nutrient powder milling powder extraction equipment which is flexibly arranged in the rice milling equipment is corresponding to a bran outlet of the rice milling equipment; the nutrient powder milling powder comprises a receiving box and a nutrient powder milling powder extraction device which is arranged inside the receiving box.

The invention belongs to the technical field of high-intensity magnetic fields, and particularly relates to a low-power-consumption compact normal-temperature Bitter type strong magnet. The invention provides a low-power-consumption compact normal-temperature Bitter type strong magnet which is based on the characteristic that heating of a Bitter coil is in a trend of decreasing from inside to outside. When each turn of coil is assembled, the radius of the inner circle of the cover plate is designed to be larger than that of the inner circle of the annular structure, so that the central area of the coil is not covered. After the magnet is assembled, the whole central area forms a hollow structure, so that a transverse heat dissipation channel is constructed, most joule heat is taken away, the heat dissipation performance is improved, and the magnet can work continuously. Compared with a mode that liquid flows in aligned axial holes to take away generated joule heat, the low-power-consumption compact normal-temperature Bitter type strong magnet provided by the invention has the advantages that heat can be quickly dissipated, the structure is simple and compact, the power consumption is low, and the practicability is high.

The invention belongs to the field of network video surveillance, and particularly relates to a quantum-encryption-type video monitoring system used for intelligent ad hoc network communication. The system includes panoramic cloud platform and control systems and intelligent ad hoc network communication terminal equipment. The panoramic cloud platform and control systems are connected with the intelligent ad hoc network communication terminal equipment through network interfaces. The intelligent ad hoc network communication terminal equipment uses a wireless Mesh network to realize two-way communication with other intelligent ad hoc network communication terminal equipment and a monitoring center, and thus transmits panoramic video data through the wireless Mesh network. The intelligent adhoc network communication terminal equipment uses quantum keys for encryption, cooperates with the wireless Mesh network to realize double encryption, sets maximum values of connection point numbersand maximum values of data transmission traffic, and can carry out automatic re-connection when the connection point numbers or the data transmission traffic exceeds the maximum values. Panoramic video splicing systems are integrated in the intelligent ad hoc network communication terminal equipment, and collected panoramic video information can be processed and compressed.

The invention discloses a beneficiation method of bismuth beneficiation instead of sodium cyanide, comprising the following steps: S1, flotation: adopting a new branch series flow flotation process, and combining the foam product of bismuth desiliconization with the original desulfurized ore Flotation; S2, diversion: divert the scavenging foam in the later stage of flotation; S3, measurement: measure the selected grade of the diverted foam; S4, stirring: introduce the pulp foam into the stirring device and stir it through a high-speed stirrer Operation; S5, drug removal: add bleaching powder and ethylsulfide nitrogen to the treated pulp; S6, tailings treatment: adjust the tailings after flotation to neutral through clear water, and pass the waste water into lime for neutralization And, the present invention is scientific and reasonable, safe and convenient to use, by adding bleaching powder and ethionyl nitrogen in the process of removing the drug, it replaces the sodium cyanide that the desiliconization operation relies on in the bismuth selection operation, reduces the consumption of flotation agents, and improves the separation index , Reduce the potential safety hazard caused by the leakage of sodium cyanide.

The invention relates to a graphene field effect transistor, in particular to a manufactured method of a transistor based on the graphene field effect. According to the method, metal gas source Ga ions are used for illuminating the surface of graphene, hole doping is carried out on the graphene, the Ga ions can lead pressure stress into the graphene, and the heat generated by illumination has an annealing function for the graphene. For the transistor based on the modified graphene field effect, the annealing function relieves the output nonlinearity of the field effect transistor, the led-in pressure stress opens the energy band structure of the graphene, the switch ratio of the graphene field effect transistor is improved, and the application of the field effect transistor in a logic circuit is promoted.

The invention relates to the technical field of smoke detectors, in particular to a method and system for suppressing ambient light of a photoelectric smoke detector. The method includes the following steps: when the detector needs to perform detection, the light-emitting diode D1 emits light; receiving the light emitted by the light-emitting diode D1 and scattered by the smoke particles; extracting the rising edge signal generated when the light-emitting diode D1 is turned on, and extracting the extracted signal Output; maintain the peak value in the output signal; the detector samples and completes the digital-to-analog conversion during the peak maintenance process. The present invention can be used in a point-type light scattering type smoke detector without an optical labyrinth, and can still provide excellent static and dynamic ambient light suppression capabilities under the condition of avoiding the use of complex digital logic or digital operations. It provides a realistic and feasible solution for a low-cost and low-power optical-free labyrinth-point light-scattering smoke detector.

The invention belongs to the technical field of packing and relates to a coil paper detector used for a paper supply system of packaging equipment on a high speed production line of light industry. The detector consists of a base, a shell, a status display lamp, test light sources, a photoelectric induction device, a detecting head, an outgoing line plug-in and a detecting circuit board; wherein,the detecting head extends outside the shell, the front end of the detecting head is provided with a rectangular slot, and the two groups of test light sources and the photoelectric induction device are installed on the two walls of the slot in an opposite way; a detecting circuit comprises the test light sources, the photoelectric induction device, a signal amplification circuit, a data processing circuit, a signal output circuit and a status display circuit; when the tested wrapping paper normally passes through the rectangular slot of the detecting head, no control signal is output from the detector; when the tested wrapping paper has the phenomena of misplacement, discontinuity and failure crack, the control signal is output from the detector, and a controller and an actuator on the production line can be used for stopping the work of a host machine and the paper supply system, thus effectively ensuring the normal high speed running of the production line.

The invention provides a discounting and recovering box for wasted and old clothes. The discounting and recovering box for the wasted and old clothes comprises a box body, wherein four rollers are arranged at the bottom part of the box body; a feeding port which is provided with an electronic moving door is formed in the upper part of the front surface of the box body; a camera is arranged in thecenter of the upper part of the feeding port; a pulling door is arranged at the lower part of the feeding port; a bank car slot is formed in the left side of the upper part of the front surface of thepulling door; a RF card reader is arranged at the lower part of the bank card slot, and a bill outlet is formed in the lower part of the RF card reader; a touch screen is arranged at the right side of the upper part of the front surface of the pulling door; a handle and a spring bolt are arranged at the lower part of the touch screen. According to the discounting and recovering box for the wastedand old clothes, the wasted and old clothes are discounted and recovered in a weighing manner, so that wasted and old clothes suppliers can gain real earnings, and as a result, the enthusiasm on recovering of the wasted and old clothes is improved; the feeding port is provided with the electronic moving door, and the electronic moving door can only be opened when the face recognizing result of the camera is consistent with bank card registering information; the pulling door is provided with a mechanical lock, and management people can unlock the pulling door to repair equipment and take out the wasted and old clothes.