116results about How to "Normal output" patented technology

The invention discloses a light mesh-type surface tension storage tank comprising a gas port, an upper half spherical head, a cylindrical section, an anti-sloshing cone, an exhaust cup, a middle bottom partition plate, a middle bottom collector, a collector connecting pipe, a middle connector, an air bubble trap, a liquid port and a lower half spherical head; the upper half spherical head is in argon arc welding with the cylindrical section, the gas port is in argon arc welding with the upper half spherical head, and the liquid port is in argon arc welding with the lower half spherical head; the middle bottom partition plate is welded together with the cylindrical section and the lower half spherical head and used for dividing the storage tank into an upper cabin and a lower cabin; the middle bottom collector is located on the middle bottom partition plate; the anti-sloshing cone and the middle bottom partition plate are welded and fixed together and located in the upper cabin of the storage tank; and the collector connecting pipe, the middle collector and the air bubble trap are connected to form a propellant management device and arranged in the lower cabin of the storage tank. The light mesh-type surface tension storage tank can be applied to various satellites and has the advantages of light weight, liquid sloshing inhibition, strong mechanical environment resistance capability and the like. After the height of the cylindrical section of the storage tank is modified, the volume of the storage tank can be expanded on the basis of not changing the installation way, so that serialization products can be formed.

The embodiment of the invention provides a shift register unit, a gate drive unit and a display device and relates to the technical field of display so as to prevent that a level of a pull-up control node which should be at a high-level state is mistakenly driven down. The shift register unit includes an input module, an output module, a voltage stabilizing module and a resetting module.

The invention discloses a self-recovery stop type protection circuit for a low-voltage and high-power safety barrier. The self-recovery stop type protection circuit comprises a power switching circuit which is connected between a non intrinsic safety input circuit and a load and used for controlling switch-on and switch-off of a circuit, a current detection circuit which is connected with the power switching circuit and used for detecting current in the circuit in real time, an overcurent and shortcircuit judgment circuit which is connected with the current detection circuit, a switch-off pulse output circuit which is connected with the overcurent and shortcircuit judgment circuit, and a driving circuit which is connected with the switch-off pulse output circuit, wherein the input end of the overcurent and shortcircuit judgment circuit is connected with a reference circuit; the reference circuit is connected with the non intrinsic safety input circuit; and the driving circuit comprises an oscillation circuit for making the power switching circuit automatically re-switch on after the power switching circuit is switched off. The self-recovery stop type protection circuit has a simple structure, low power loss, high output power, a wide application range and high popularization and application value; the normal transmission of high-power electric energy is not influenced; and a requirement for intrinsic safety output is met.

The present invention provides an analog signal sampling circuit capable of enabling the circuit to have high linearity, meanwhile, the processing of signal less than the minimum voltage in the circuit can be implemented. The analog signal sampling circuit can generate the constant voltage by arranging the voltage constant module as a voltage between gate source poles when the PMOSFET tube of the switch tube is conductive, the voltage between the grid and the source pole can be kept constant without changing with the variation of the input signal when the PMSFET tube is in the conducting state, the conductive electric resistance of the PMOSFET tube can not change following with the variation of the input signal, at last the PMOSFET has constant conductive electric resistance, the signal distortion through the PMOSFET tube is smaller, the high linearity sampling can be implemented. The invention also provides a switch capacitance circuit.

The invention provides a gate drive circuit, a gate drive method and a display device. The gate drive circuit comprises a pull-up node control unit, a pull-down node control unit, a display and storage unit and an output unit. The gate drive circuit also comprises a compensation and storage unit and a compensation and storage control unit. The compensation and storage control unit is connected with an input end, a pull-down control voltage end, a pull-up node, a pull-down node and the second end of the compensation and storage unit and used for controlling the pull-down control voltage end to be connected with the second end of the compensation and storage unit in the input phase under the control of the input end so as to charge the compensation and storage unit and also used for controlling the second end of the compensation and storage unit to be connected with the pull-up node in the output phase when the potential of the pull-down node is high level. The problem that the existing gate drive circuit has no gate drive signal output can be solved by the gate drive circuit, the gate drive method and the display device.

The invention discloses a production method of ammonium sulfate, which comprises the following steps: A, reacting coke oven gas and ammonia gas with a sulfuric acid solution in a spray area of a saturator so as to obtain a product a; B, guiding aqueous ammonia into an overflow tank to react with a sulfuric acid solution so as to obtain a product b, and conveying the product b to the inside of the saturator by a small mother liquor circulating pump to react with the sprayed sulfuric acid solution in the spray area of the saturator, so that a product c is obtained; C, feeding the product a and the product c into a crystallization area of the saturator, so that ammonium sulfate in the product a and the product c is gradually crystallized and separated out; D, conveying ammonium sulfate-containing crystallizing liquid to the inside of a crystallizing elevated tank from a crystallizing liquid outlet by a crystallizing pump; and E, conveying the crystallizing liquid in the crystallizing elevated tank to a centrifugal machine to separate, and conveying precipitates obtained by separating to a dryer to dry, so that ammonium sulfate is obtained. According to the invention, an ammonium sulfate product is produced by taking aqueous ammonia produced in the process of ammonia washing implemented by using phosphoric acid as a raw material, so that the problem that aqueous ammonia produced in the process of ammonia washing implemented by using phosphoric acid is surplus is solved.

The present invention relates to an analog signal sampling/holding circuit with low power consumption and its application method. Said invention includes at least three-stage amplification circuit, sampling and holding circuit, and it is characterized by that three control switches are added, and a control signal is newly added, and can be used for respectively controlling the described control switches, and the last one-stage amplification circuit input end can be used for controlling control signal inversion of switch and other control switches. When the neural operation amplification sampling/holding circuit is in the rest state, the power consumption of the circuit only is formed from electric leakage of tube, so that it possesses the advantages of low power consumption, and when the circuit is in the restoration state, its sampling signal can be normally outputted.

A method for regenerating aluminum electrolysis bath carbon waste into alternative fire coal comprises the following steps that (1) conducting pelletization and detoxication, wherein the aluminum electrolysis bath carbon waste is crushed, a detoxicating agent solution is atomized and sprayed, and then pelletized detoxicated materials are obtained; (2) conducting activation, wherein a catalytic oxidant is added, homogenizing and modifying are conducted, and then the alternative fire coal is obtained; or, the catalytic oxidant and lime are added, water is added, stirring is conducted or rolling mixing is conducted, oxidation alkaline removal are conducted, filtering or filtering and washing are conducted, drying is conducted, and then the alternative fire coal is obtained; or, the catalytic oxidant, lime and sodium hydroxide are added, water is added, stirring is conducted or rolling mixing is conducted, oxidation aluminum removal and alkaline removal are conducted, filtering or filtering and washing are conducted, drying is conducted, and then the alternative fire coal is obtained; or, supercritical or liquid-state carbon dioxide is adopted for leaching processing, the catalytic oxidant is added to carbon dry powder for homogenizing and modifying, and then the alternative fire coal is obtained. The calorific value of the regenerated alternative fire coal is equal to that of semibituminous coal and anthracite and is about 5000 kcal/kg on average, and the regenerated alternative fire coal can be used as alternative fire coal; and the method is simple in technology, low in energy consumption and cost and suitable for industrialized production.

The invention relates to a coal machine cable, which is formed by three copper conductive wire cores (4); insulate layer, control wire core (1) and rubber muffle, wherein the control wire core (1) is covered by insulated layer while the middle is polyester band; the control wire core (1) uses composite structure, whose center is beamed and screwed into screw copper conductor; the outer layer is high-carbon steel weave layer (2), and packed with ethylen-propylene rubber insulated layer (3); the control wire core (1) and three copper wire cores (4) form cable core; said cable core is packed with muffle (10); since it uses high-carbon steel weave layer, the anti-bend ability and anti-drawing ability of control wire core are improved, to avoid breakage.

The present invention relates to a piezoelectric energy collector. The piezoelectric energy collector comprises piezoelectric plates which are used for generating a piezoelectric effect and comprise first piezoelectric plates and second piezoelectric plates, a multi-arm beam which comprises a main beam and a plurality of support beams arranged on the main beam, and a mass block, wherein one end of the main beam is fixedly arranged, the first piezoelectric plate is arranged on the main beam, the second piezoelectric plate is arranged on the support beams, the mass block is arranged at the other end of the main beam, and the mass block and the support beams are arranged in a staggered way. Through the setting of the main beam and the support beams, the main beam and the support beams have different vibration frequencies respectively, when vibration happens, the main beam and the support beams are matched with different vibration frequencies, thus the resonant frequency points of a whole system are increased, the frequency band is broadened, problems of a single working frequency and a narrow frequency band of a traditional piezoelectric energy collector are solved, the natural frequency of the main beam can be reduced through the setting of the mass block, thus the multi-arm beam and an environment vibration source reach a resonant state as soon as possible, generated voltage is larger, and the acquisition and conversion efficiency of the piezoelectric energy collector are improved.

Disclosed are a display method and equipment capable of preventing abnormal image display caused by signal switchover. The display method includes steps of receiving an image signal to acquire current time sequence data; judging whether the image signal is stable or not according to the current time sequence data and initial time sequence data; judging whether an image is generated or not if the image signal is stable; judging whether the current time sequence data include 3D (three dimensional) format indicating data or not if the image is generated; setting a current image format as the 3D format of an input signal if the 3D format indicating data are included; judging whether the current image format is matched with a display image format or not; if not, setting the display image format as the current image format; and repeatedly generating the image. The image can be normally outputted and displayed without repeatedly pulling and plugging a connector of a high-definition multimedia interface or restarting a display by users.

The invention relates to a reset circuit, a drive method thereof, a shifting register unit and a grid scanning circuit. The reset circuit comprises a reset unit, a reset control unit and multiple access ends; the reset unit is applicable to be started so as to switch on a second access end and a first access end when the voltage of a second node is a first electric level; the reset unit is applicable for switching on the second access end and a second node when the voltage of the first access end is the first electric level; when the voltage of the second access end is a second electric level, the second anode and a third access end are switched on. In the scanning stage of the shifting register unit comprising the reset circuit provided by the invention, the first node can be reset normally; in the scanning interruption stage, the first node is maintained at the first electric level; and therefore, the shifting register unit can normally output signals after recovery scanning.

The invention discloses an unmanned aerial vehicle formation method based on time-varying network topology, which belongs to the unmanned aerial vehicle control technology, and comprises the followingsteps: S1, enabling an unmanned aerial vehicle to send the speed and the position of the unmanned aerial vehicle at the t moment to neighbor unmanned aerial vehicles, and to receive the positions andthe speeds at the t moment sent by the neighbor unmanned aerial vehicles; S2, calculating the output ui (t) of a formation controller of the unmanned aerial vehicles according to the positions and speeds of the unmanned aerial vehicle and all neighbor unmanned aerial vehicles at the moment t; S3, calculating the speed and the position of the unmanned aerial vehicle at the next moment according tothe output ui (t), the speed and the position of the unmanned aerial vehicle at the moment t, and adjusting the unmanned aerial vehicle; S4, judging whether the speed and the position of the unmannedaerial vehicle at the t + 1 moment meet set conditions or not, if yes, completing formation, otherwise, enabling t to be equal to t + 1, and returning to the step S1. The formation method of the scheme solves the problem that the unmanned aerial vehicles are difficult to form the set formation to sail to the destination under the conditions that the communication environment is poor and a plurality of communication links cannot be well maintained.

The present invention discloses the apply of Arabidopsis thalianum polyphosphoinositide 6-/3-kinase gene in plant salt resistance. Polyphosphoinositide 6-/3-kinase gene is first cloned from target plant and then connected to corresponding vector in proper molecular biological and transgenic measures to produce transgenic plant. Applying the gene can provide one technological way for solving the problem that plant, including grain and economic crop, has low survival rate, slow growth speed and low yield in high salt environment, and is favorable to normal growth of plant in high salt area.

The invention relates to a gamma voltage output circuit based on a digital PMIC (Power Management Integrated Circuit). An analog voltage (AVDD) is input to a GLDO module and a comparator, and the GLDOmodule outputs a first gamma reference voltage (Vref1) to the comparator and an either-or selector. A second gamma reference voltage (Vref2) is input to the either-or selector, and the second gamma reference voltage (Vref2) is greater than or equal to a set value of gamma reference voltage (Vref). When the analog voltage (AVDD) is greater than the first gamma reference voltage (Vref1), the comparator makes the either-or selector output the first gamma reference voltage (Vref1) as the gamma reference voltage (Vref). When the analog voltage (AVDD) is smaller than the first gamma reference voltage (Vref1), the second gamma reference voltage (Vref2) is output. The gamma reference voltage (Vref) is output to a gamma correction module, and the gamma correction module outputs a gamma voltage. According to the circuit of the invention, when the analog voltage and the gamma reference voltage are set wrongly in a register, the gamma voltage will not be abnormal, and the display of the picture will not be abnormal.

The invention provides an LED constant-voltage power supply with a self-locking protecting circuit. The LED constant-voltage power supply comprises a power conversion circuit, load, a voltage detection comparing circuit, a comparing circuit and a self-locking circuit; the power conversion circuit comprises a power chip and a current detecting circuit and used for converting 220V AC into constant voltage DC; the output end of the power conversion circuit is connected with the load; the current detecting circuit is used for detecting current flowing through the load; two ends of the current detecting circuit are respectively connected to two input ends of the comparing circuit; the comparing circuit is used for comparing voltage of two ends of the current detecting circuit; if the input voltage of the load is less than the voltage at the other end of the current detecting circuit, a control signal can be outputted to the self-locking circuit; the voltage detection comparing circuit is used for detecting the voltage of the end without being connected in series with the load, of the current detecting circuit; if the detecting voltage exceeds the set value, the control signal can be outputted to the self-locking circuit; the self-locking circuit is used for controlling the output of the power chip according to the outputs of the comparing circuit and the voltage detection comparing circuit.

The invention provides a shift register unit, a driving method, a gate driving circuit and a display device. The shift register unit comprises a reset circuit, wherein the reset circuit is connected with a pull-up node and is used for resetting the potential of the pull-up node in a reset phase, and the shift register unit also comprises a reset control circuit; the reset control circuit is connected with the reset circuit and is used for controlling and reducing the leakage current of the reset circuit at an output stage so as to maintain the potential of the pull-up node as a first voltage.The shift register unit circumvents the influence of the leakage current of a reset transistor on the output of a gate driving signal, therefore the display is not influenced.

The invention relates to a dual redundant decoding drive circuit for satellites to prevent single point failure, and a medium. The circuit includes a dual redundant decoding circuit and a dual redundant output drive circuit. The dual redundant decoding circuit consists of two decoding circuits which have the same structures and are independent with each other; the decoding circuits share a set ofinput signals, separately perform decoding to output two sets of independent decoding signals so that the dual redundant decoding function can be accomplished, and the decoding signals can be used ascontrol signals of a post stage dual redundant output drive circuit; the dual redundant output drive circuit adopts four PMOS output driving tube structures that two of the structures are in parallelconnection and the other two are in series connection; the dual redundant output drive circuit can be controlled by the two sets of independent front stage decoding signals; the output can be the highlevel only when the output PMOS tubes in series are conducted; and the circuit can output normally when a single PMOS tube is in open-circuit or short-circuit state. The dual redundant decoding and dual redundant decoding output drive structure can effectively avoid single point failure, enhance the reliability of the circuits and ensure the correction of output instructions.