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47results about How to "Slow discharge" patented technology

Power supply device of liquid crystal display device

The invention provides a power supply device of a liquid crystal display device. The device comprises a waveform generation unit, a comparison unit, a driving control unit, and a display device control unit which are electrically connected in sequence. The output end of the display device control unit is connected with the liquid crystal panel unit. The comparison unit comprises a comparator, a transistor, a first resistor, a capacitor, a second resistor and a third resistor, the cathode end of the comparator is connected with the waveform generation unit, and the output end of the comparatoris connected with the drive control unit. The anode end, the first resistor, the capacitor and the transistor emitter are connected to the point a, and the second resistor and the third resistor are connected with the transistor base. In the power-on and power-down processes of the system, stable and reliable operation of the system is realized by enabling the voltage of the anode end of the comparator to be lower than the voltage of the cathode end, the working state of a subsequent unit is effectively ensured, and damage to the system caused by an abnormal state is reduced. By setting the capacitor, the duty ratio of the control signal is slowly increased to a fixed value, the performance of the system is improved, and the stability of the system is improved.
Owner:NANJING PANDA ELECTRONICS MFG

Air purification equipment facilitating laboratory air sterilization

The invention discloses air purification equipment facilitating laboratory air sterilization. The air purification equipment comprises a box body, a filter screen, an infrared disinfection device, anequipment outlet and a water pump, wherein an air blower is arranged at the front end of the box body, and the filter screen is located on the rear side of the air blower; the right end of an equipment inlet is connected with a water inlet, and the equipment outlet is formed in the rear end of a purification pipeline; the infrared disinfection device is located on the inner side of the box body, and the water pump is located on the right side of the box body; a supporting platform is arranged on the lower side of the water pump, the lower end of the water pump is connected with a sewer pipe, and a disinfection water tank is arranged on the left side of the box body; the lower end of the disinfection water tank is also connected with the sewer pipe. By means of the air purification equipment facilitating laboratory air sterilization, large particles such as dust in the air can be conveniently filtered away, the purification equipment is prevented from being blocked, the air in a laboratory can be fully sterilized and disinfected, the environment is prevented from being polluted, meanwhile, the exhausted air is also prevented from being dried, and the air is convenient to refresh.
Owner:六安中达信息科技有限公司

Ice-bank refrigerating cabinet of refrigeration and purification integrated machine

The invention discloses an ice bank refrigerating cabinet of a refrigeration and purification integrated machine. The ice bank refrigerating cabinet comprises a cabinet body, wherein a top cover is arranged at the top of the cabinet body; the cabinet body and the top cover both consist of an inner shell and an outer shell; a thermal insulating layer is arranged between the inner shell and the outer shell; a ventilating pipeline and a condensation pipe are arranged in the cabinet body; two ends of the ventilating pipeline are communicated with the outside of the cabinet body; a heat exchange fin is arranged on the ventilating pipeline; an external constant pressure pipeline is arranged on the outer side wall of the cabinet body; one end of the external constant pressure pipeline is communicated with the upper part of the cabinet body, and the other end of the external constant pressure pipeline is communicated with the lower part of the cabinet body; a pull rod is arranged inside the cabinet body along the width direction; and two ends of the pull rod are connected with the inner wall of the cabinet body. The ice-bank refrigerating cabinet of the refrigeration and purification integrated machine has the advantages that the resistance of air passing through a ventilating coil pipe can be reduced, the space occupied by the ventilating pipeline in a life-saving capsule can be decreased, the phase transformation stress subjected to an ice-bank refrigerating cabinet shell can be eliminated, the bearing strength of the cabinet body 1 is high, the condensation water in the ventilating pipeline can be slowly drained, the condensation water of the outer wall of the ice-bank refrigerating cabinet shell can be collected, etc.
Owner:山东福生矿安科技有限公司

Sewage well lid capable of changing hole diameter according to rainwater flow

The invention discloses a sewage well lid capable of changing hole diameter according to the rainwater flow, and relates to the technical field of well lids. The sewage well lid comprises a foundation; the middle of the foundation is movably connected with a well lid body, the middle of the well lid body is provided with a water storage tank, the middle of the water storage tank is movably connected with a floating block, a dielectric plate is fixedly connected to the middle of the floating block, a water leakage hole penetrating through and extending to the bottom of the well lid body is formed in the bottom of the water storage tank, and electrode plates are fixedly connected to the two sides, close to the water storage tank, of the inner wall of the well lid body. According to the sewage well lid capable of changing the hole diameter according to the rainwater flow, through cooperative use of an electromagnet and a magnetic block, when accumulated water is increased, the magnetism of the electromagnet is gradually increased, due to the fact that the magnetism of the inner side of the magnetic block is opposite to the magnetism of the outer side of the electromagnet, the magneticblock can drive a blocking block to move inwards under the magnetic attraction effect of the electromagnet; therefore, the diameter of a drainage hole is changed along with the accumulated water amount, the drainage amount is effectively changed, and the accumulated water problem is effectively solved.
Owner:彭周兰

Sintering process of products obtained by hard alloy paraffin production process

The invention discloses a sintering process of products obtained by a hard alloy paraffin production process and belongs to the technical field of sintering powder metallurgy hard alloy materials. The sintering process of the products obtained by the hard alloy paraffin production process comprises the steps of negative-pressure paraffin removal, vacuum sintering, partial-pressure sintering, rapid cooling and discharging, wherein during the paraffin removal process, the peak curve of the paraffin discharged from the alloy products is completely followed, different temperature-raising slopes are adopted in each stage so as to ensure that the paraffin gas is sequentially and slowly discharged from the alloy products at a constant speed. Hard alloy products prepared by the process disclosed by the invention cannot have problems of cracks, peeling, deformation, carburizing, decarbonization and the like caused by the sintering process; the recovery rate of the paraffin gas discharged from the products is high and can reach above 97%, the pollution to a hearth and a vacuum pump system is reduced and the service life of the device is prolonged; the process time is relatively short, the production benefits are improved, the energy source is saved, the cost is decreased and the market competitiveness is enhanced.
Owner:技锋精密刀具(马鞍山)有限公司

Automobile tire pressure safety monitoring mechanism

The invention discloses an automobile tire pressure safety monitoring mechanism. The automobile tire pressure safety monitoring mechanism comprises a shell; an adjusting chamber is formed in the shell; an air inlet passage and an air outlet passage are formed in the shell; an adjusting mechanism is arranged in the adjusting chamber; the adjusting mechanism comprises a piston plate, a first adjusting plate and a second adjusting plate; the piston plate can be movably arranged in the adjusting chamber; a plurality of vent holes are formed in the piston plate; a first inserting block is arrangedat one end of the piston plate; a second inserting block is arranged at the other end of the piston plate; a first plugging block and a second plugging block are arranged at the end part of the firstinserting block; the first plugging block fits a third air inlet passage; the second plugging block penetrates through a second air inlet passage to fit a first air inlet passage; a third plugging block is arranged at the terminal of the second inserting block; and a spring is arranged between the piston plate and the second adjusting plate. According to the automobile tire pressure safety monitoring mechanism, the pressure in a tire can be monitored in real time and the tire can be deflated under a situation that the pressure is too high; therefore, the safety performance is greatly improved.
Owner:镇江神行太保科技有限公司

Hydraulic slow-closing check valve for water conservancy project

The invention relates to the technical field of water conservancy projects, and discloses a hydraulic slow-closing check valve for a water conservancy project. The hydraulic slow-closing check valve comprises a valve body, the middle part of the inner cavity of the valve body is fixedly connected with a limiting seat, the inner cavity of the valve body is movably connected with a valve clack positioned at one end of the limiting seat in a sleeved mode, and the right end of the inner cavity of the valve body is fixedly connected with a first fixed seat. According to the hydraulic slow-closing check valve, by additionally arranging a slow opening mechanism, when liquid needs to be conveyed, the liquid is continuously conveyed into a pipeline through a water pump, flows to the left side of the check valve and is continuously accumulated at the left side of the check valve, so that the liquid pressure reaches the degree that the valve clack can be pushed open, after the valve clack is pushed for a certain distance under the action of the liquid pressure, liquid flows through a gap of the valve clack, meanwhile, subsequent liquid impacts a rotating wheel to enable the rotating wheel torotate slowly, the valve clack compresses a spring under the action of a threaded rod and moves towards a first fixing seat, and therefore the check valve is opened slowly under the action of the threaded rod and liquid pressure.
Owner:杭州志鑫生活服务有限公司

Continuous running power generation device of electric vehicle

InactiveCN105150865ANo pollution during operationEnergy saving and environmental protection during operationBatteries circuit arrangementsElectric machinesDIACSilicon-controlled rectifier
A continuous running power generation device of an electric vehicle comprises a vehicle driving motor and further comprises a power generator, a first energy storage device, a second energy storage device, a both-way silicon controlled rectifier potential relay switch, a power transmission facility, a charger and an inverter. The vehicle driving motor is connected with the power generator through the power transmission facility. The power generator is connected with the first energy storage device and the second energy storage device through the charger. The first energy storage device and the second energy storage device are connected with the both-way silicon controlled rectifier potential relay switch. The both-way silicon controlled rectifier potential relay switch is connected with the vehicle driving motor through the inverter. The continuous running power generation device can be applied to urban trams, electric vehicles running on an expressway and other electric vehicles which move on the ground and are driven by electric energy, and can also be applied to small ships in the ocean. The continuous running power generation device has the main beneficial effects of not discharging dirt and being friendly to the environment.
Owner:周勇

Multifunctional steamer and steamer bracket

The invention disclose a multifunctional steamer which comprises a sealed and openable steamer main body, a heating module and a steamer bracket, wherein water grooves are formed in the bottom of the steamer main body; the heating module is mounted at the bottoms of the water grooves; the water grooves are communicated with the outer part of the steamer main body through a communicating pipe; the steamer bracket comprises a supporting pipe and a tray arranged on the supporting pipe; the lower end of the supporting pipe is opened and the upper end of the supporting pipe is sealed; an opening is formed in the side surface at the upper end of the supporting pipe; the lower end of the supporting pipe is connected onto the communicating pipe in a sleeving manner; in the working state, a water sealing is formed at the lower end of the supporting pipe; holes are formed in the periphery, away from the supporting pipe, of the tray; the invention further discloses a steamer bracket which is mounted in the steamer main body; the steamer bracket comprises the supporting pipe and the tray arranged on the supporting pipe; the lower end of the supporting pipe is opened and the upper end of the supporting pipe is sealed; the opening is formed in the side surface at the upper end of the supporting pipe; the holes are formed in the periphery, away from the supporting pipe, of the tray. The steamer is compact and simple in structure, diverse in functions and higher in heat exchange efficiency and the energy conservation and environmental protection are realized when the multifunctional steamer is used for cooking food.
Owner:陈海宁

Inorganic powdery raw material high-efficiency ton bag unpacking device convenient to adjust

The invention discloses an inorganic powdery raw material high-efficiency ton bag unpacking device convenient to adjust. The inorganic powdery raw material high-efficiency ton bag unpacking device comprises an unpacking bracket, a mounting top frame, an unpacking table and a ton bag. The surface of the unpacking bracket is fixedly connected with the mounting top frame, the surface of the unpackingtable is fixedly connected with two sets of mounting brackets, the surfaces of the mounting brackets are fixedly connected with a plurality of sets of pneumatic telescopic rods, the inner wall of theunpacking sleeve is fixedly connected with an outer pressing sleeve, a plurality of sets of inner pressing sleeves are clamped into the outer pressing sleeve, the surfaces of the multiple sets of theinner pressing sleeves are each fixedly provided with two sets of elastic clamping blocks, a buffer pipe is fixedly connected to the interior of a material through base, and a rotating impeller and abuffer plate are fixed into the material through base; by means of the rotating impeller, raw materials can be more even; through the effect of the buffer plate, the raw materials can be slowly discharged, the material through base and a material through pedestal are connected, the raw materials enter the interior of the buffer pipe to be further buffered, dust is reduced, the discharging qualityis ensured, and the inorganic powdery raw material high-efficiency ton bag unpacking device is suitable for popularization.
Owner:临沂联泰新型建材合伙企业(有限合伙)

Device for improving stable operation of liquid crystal equipment

The invention provides a device for improving the stable operation of liquid crystal equipment, which comprises a waveform generation unit, a comparison unit, a driving control unit, an overcurrent and undervoltage protection unit and a liquid crystal driving unit which are electrically connected in sequence, a level signal output end of the liquid crystal driving unit is connected with a liquid crystal panel unit; the output end of the over-current and under-voltage protection unit is further connected with the input end of the drive control unit. The over-current and under-voltage protectionunit comprises a fifth resistor, an operational amplifier, a comparator, a sixth resistor, an NPN type field effect transistor, a first diode and a seventh resistor. In the power-on and power-off processes of the system, the stable and reliable operation of the system can be realized by enabling the anode end voltage of the comparator to be lower than the cathode end voltage, the working state ofsubsequent units is effectively ensured, and the damage of an abnormal state to the system is reduced; safety and stability of the working state of an over-current and under-voltage state system arerealized by adopting a self-adaptive adjustment and control mode, so that the stability of the liquid crystal display driving equipment is improved.
Owner:NANJING PANDA ELECTRONICS MFG

Pulse power generation circuit and electrical dust catcher

PendingCN109967257ASlow dischargeSolve the problem that cannot meet the technical occasions that require mixed frequency pulse power supplyElectric supply techniquesCapacitanceTransmission line
The invention provides a pulse power supply generation circuit and an electrical dust catcher, and relates to the technical field of pulse power supplies. The circuit comprises a power supply module,a pulse generation module and a load, the pulse generation module and the power supply module are connected in series, the load is connected in parallel with two ends of the pulse generation module, the pulse generation module comprises a capacitance charging resistor, an energy storage capacitor, a transmission line charging resistor, a switch, a pulse signal generator and a high-voltage connector, the capacitance charging resistor, the transmission line charging resistor and the high-voltage connector are connected in series, one end of the energy storage capacitor is connected between the capacitance charging resistor and the transmission line charging resistor, the other end of the energy storage capacitor is connected with ground, one end of the switch is connected between the transmission line charging resistor and the high-voltage connector, the other end of the switch is connected with the ground, and the pulse signal generator is electrically connected with the switch. By thepulse power supply generation circuit, frequency-adjustable pulse strings can be generated, meanwhile, a single pulse frequency in each pulse string is also adjustable, so that the circuit is suitablefor various application occasions.
Owner:SICHUAN ENERGY INTERNET RES INST TSINGHUA UNIV +1

A kind of sintering process of cemented carbide paraffin wax production process products

ActiveCN104357696BSlow dischargeWon't peelParaffin oilsHearth
The invention discloses a sintering process of products obtained by a hard alloy paraffin production process and belongs to the technical field of sintering powder metallurgy hard alloy materials. The sintering process of the products obtained by the hard alloy paraffin production process comprises the steps of negative-pressure paraffin removal, vacuum sintering, partial-pressure sintering, rapid cooling and discharging, wherein during the paraffin removal process, the peak curve of the paraffin discharged from the alloy products is completely followed, different temperature-raising slopes are adopted in each stage so as to ensure that the paraffin gas is sequentially and slowly discharged from the alloy products at a constant speed. Hard alloy products prepared by the process disclosed by the invention cannot have problems of cracks, peeling, deformation, carburizing, decarbonization and the like caused by the sintering process; the recovery rate of the paraffin gas discharged from the products is high and can reach above 97%, the pollution to a hearth and a vacuum pump system is reduced and the service life of the device is prolonged; the process time is relatively short, the production benefits are improved, the energy source is saved, the cost is decreased and the market competitiveness is enhanced.
Owner:技锋精密刀具(马鞍山)有限公司

Air drying line upper and bottom layer flow guide mechanism for processing cured food

The invention relates to the field of preserved food processing and air drying, in particular to an upper and bottom layer flow guide mechanism of an air drying line for preserved food processing. The technical scheme aims to solve the technical problems that oil drips in the manufacturing and air drying process of preserved products, and the oil cannot be quickly guided and discharged in the manufacturing and using process of an existing air drying machine; the oil liquid is solidified, accumulated and difficult to clean. Comprising a rotating control device, a supporting frame, supporting legs, a collecting frame, a flow guiding device, a rotating connecting clamping shaft, a taking and placing opening and a rotating air drying cylinder, the supporting legs are symmetrically and fixedly connected to the two sides of the supporting frame, the rotating control device is fixedly connected to the upper portion of one end of the supporting frame, and the rotating air drying cylinder is fixedly connected to the front end of the rotating control device; the taking and placing opening is formed in one end of the rotary air drying cylinder in a penetrating mode, and the flow guiding device is fixedly installed in the middle of the upper end of the supporting frame. The technical scheme has the beneficial effects that oil dripping from cured food can be guided, conveyed and discharged.
Owner:沅陵县土家王食品有限责任公司

A device for improving the stable operation of liquid crystal equipment

The invention provides a device for improving the stable operation of liquid crystal equipment, which comprises a waveform generation unit, a comparison unit, a driving control unit, an overcurrent and undervoltage protection unit and a liquid crystal driving unit which are electrically connected in sequence, a level signal output end of the liquid crystal driving unit is connected with a liquid crystal panel unit; the output end of the over-current and under-voltage protection unit is further connected with the input end of the drive control unit. The over-current and under-voltage protectionunit comprises a fifth resistor, an operational amplifier, a comparator, a sixth resistor, an NPN type field effect transistor, a first diode and a seventh resistor. In the power-on and power-off processes of the system, the stable and reliable operation of the system can be realized by enabling the anode end voltage of the comparator to be lower than the cathode end voltage, the working state ofsubsequent units is effectively ensured, and the damage of an abnormal state to the system is reduced; safety and stability of the working state of an over-current and under-voltage state system arerealized by adopting a self-adaptive adjustment and control mode, so that the stability of the liquid crystal display driving equipment is improved.
Owner:NANJING PANDA ELECTRONICS MFG

Construction waste water treatment device

The invention belongs to the field of wastewater treatment devices, and particularly discloses a building construction wastewater treatment device. The device comprises a deposition bottle communicated with a long pipe, wherein a division plate dividing the interior of the long pipe into a liquid inlet cavity and a liquid outlet cavity is fixedly connected into the long pipe; and a liquid outlet pipe communicated with the liquid outlet cavity is fixed on a side wall of the long pipe. The device further comprises a sludge collection tank and an elastic buffer device capable of allowing the sludge collection tank to descend; the deposition bottle is located over the sludge collection tank; and leakage holes are formed in the bottom of the deposition bottle. A sealing plate is connected withthe bottom of the deposition bottle in a sliding manner; through holes matched with the leakage holes are formed in the sealing plates; one end of the sealing plate is wedge-shaped; and a wedge-shapedblock matched with the end part of the sealing plate is fixedly connected with an inner wall of a liquid collection tank. The device solves the problem of high possibility of pipeline blocking sincewastewater contains much silt in a wastewater treatment process in the prior art.
Owner:江西经匠建设有限公司
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