31results about How to "No power supply required" patented technology

The present invention discloses a soft switching circuit, which is used assorting with commercial drive chip to realize soft switching function or replace original inappropriate soft switching function. The circuit should be provided with simple circuit interface for facilitating assort with commercial drive chip, and take internal power supply that use commercial drive chip as power supply source. Each parameter in the soft switching function is adjustable to adapt soft switching requirement under different working condition, and satisfies electro-magnetism compatible requirement in high power situation.

The invention discloses a remote automatic monitoring system for subgrade settlement. The system comprises a monitoring terminal, an optical fiber sensing terminal and a transmission optical cable, wherein the transmission optical cable is connected with the optical fiber sensing terminal and the monitoring terminal; the optical fiber sensing terminal comprises an optical divider, an optical fiber displacement encoding device, a shell and a transmission device; the optical divider, the optical fiber displacement encoding device and the transmission device are arranged in the shell; and the optical divider is connected with the optical fiber displacement encoding device. By the optical fiber sensing terminal and the transmission device, the displacement of the subgrade settlement is converted into an optical code transmitted along an optical fiber, the optical code is remotely transmitted to the monitoring terminal through the transmission optical cable, and is subjected to operation such as photo-electric conversion, analysis processing, storage, display, alarm and the like in the monitoring terminal, and the subgrade settlement is remotely and automatically monitored in real time finally; and the remote automatic monitoring system is applied to the field of monitoring of subgrade settlement under complicated terrains and severe natural environments.

The invention discloses a water feeding device suitable for animal husbandry industry in a karst region and a method of using the same. The water feeding device comprises a water tank and a drinking trough, the bottom of the water tank is provided with a water inlet communicated with the drinking trough, an outflow rubber plug movable up and down is arranged in the water inlet, a connecting cord that is connected to the outflow rubber plug is passed around two fixed pulleys disposed on the drinking trough and the water tank and is connected to a first floater, the first floater floats on water in the drinking trough, and the water tank is also connected with a mechanical automatic water supplement device. The outflow rubber plug and the first floater enables mechanical automatic water supplement for the drinking trough, less manual observation is required, no electricity supply is required, energy use is more economical, labor cost is lower, water interruption due to power outage is avoided, water supply is more continuous, the structure is simple, the cost is low, water supplement is more time-saving and labor-saving, and automatic water supplement also allows for saving of water resource; the water feeding device also has the advantages of simple structure, low cost and good convenience in manufacture, use and maintenance.

The invention belongs to fields of sensing technique monitoring. It discloses an optical fibre remote multi-point switch state monitoring system. It includes industry controller, optic time domain reflector, optical path distributing device and magneto optical journey switch; it possesses several the optical path distributing devices, it separately includes one input and two outputs, one output of the optical path distributing device is connected with input of magneto optical journey switch, the another output of the optical path distributing device is connected with input of later optical path distributing device, several magneto optical journey switches are connected parallel via optical path distributing device, adjacent optical path distributing device, the optical path distributing device and magneto optical journey switch, and adjacent optical path distributing device are connected via communication cable. The invention is insulated, safe, locale dues not need electricity, it adopts non-contact magneto optical journey switch, and structure is easy, can fit for high-voltage, high-powder, and damp circumstance.

The invention discloses a cleaning device for an environment-friendly construction waste conveying pipeline. The cleaning device comprises a push rod, an engine, a wire winding disc and a cleaning head, the bottom of the engine is fixed on a supporting frame, the push rod is fixed at the left end of the supporting frame, and a bottom box is fixed at the bottom of the supporting frame; a water pumpis arranged on the left side of the interior of the bottom box, and furthermore, an input shaft on the water pump is connected with an output shaft on the engine; a water inlet pipe is connected to an water inlet in the left side of the water pump, and a water outlet in the right side of the water pump is connected with a cleaning pipe; and a support is fixed on the upper part of the right side of the supporting frame, the wire winding disc is installed on the support, a cleaning pipe main body is wound around the wire winding disc, and the right end of the cleaning pipe is provided with thecleaning head. According to the cleaning device for the environment-friendly construction waste conveying pipeline, the push rod, the engine, the wire winding disc and the cleaning head are arranged,so that the problems that the inner wall of a construction waste conveying pipe is inconvenient to clean, and the water spraying dead angle occurs when the cleaning pipe sprays water to the conveyingpipe are solved.

The present invention provides a microbial time temperature indicator used for table grape quality perception, which includes a container, the container contains an evenly-mixed microorganism microbial broth, a growth medium and a pH indicator; the microorganism is Lactobacillus paracasei bacilli; the growth medium is MRS bouillon culture-medium; and the pH indicator is bromocresol green. The activation energy of the time temperature indicator is close to the activation energy of fruits and vegetables, can be used to monitor quality changes of the fresh fruits and vegetables in cold chain logistics, and in particular, can be used for accurate quality perception and monitor of table grapes.

The invention discloses workpiece quenching equipment and a process thereof. The workpiece quenching equipment comprises a quenching pond. A quenching liquid box is arranged above the quenching pond, a fixed shaft is arranged below a partition plate, two rotating rods are movably arranged on the fixed shaft, a driving gear is fixedly arranged at the center of one of the rotating rods, and the center of a driven bevel gear is fixedly connected to a bevel gear base through a transmission rod; the quenching pond communicates to a hot liquid box through a communicating pipe I, and the hot liquid box communicates to a cold liquid box through a communicating pie II; the hot liquid box communicates to the quenching liquid box through water return pipe I, and the cold liquid box communicates to the quenching liquid box through a water return pipe II. The invention provides the workpiece quenching equipment which can achieve a quenching effect of quickly cooling the workpiece at a high temperature and slowly cooling the workpiece at a low temperature, meets the latest research conclusion and improves the strength and hardness of the workpiece effectively. The invention also discloses the process based on the workpiece quenching equipment. The process is simple to operate, good in product quality and quite worth being popularized.

The present invention provides a suspension flow meter with a limit value switch (1), which is provided with the following components: suspension which is equipped in a measuring tube and can deflect through fluid flow; a measuring converter (2) which is provided with an indicator (3) and is used for detecting suspension deflection and converting the deflection to a corresponding amount of the indicator (3); at least one trigger (5) and at least one limit value switch (9), wherein the trigger (5) is coupled with the indicator (3). When an utmost flow is reached, the trigger (5) triggers the limit value switch (9). The limit value switch (9) is a reed switch. Therefore the realized suspension flow meter (1) has the following advantages: reduced complicity, low construction expenditure, low manufacturing expenditure, and reduced cost.

The invention discloses a remote automatic monitoring system for subgrade settlement. The system comprises a monitoring terminal, an optical fiber sensing terminal and a transmission optical cable, wherein the transmission optical cable is connected with the optical fiber sensing terminal and the monitoring terminal; the optical fiber sensing terminal comprises an optical divider, an optical fiber displacement encoding device, a shell and a transmission device; the optical divider, the optical fiber displacement encoding device and the transmission device are arranged in the shell; and the optical divider is connected with the optical fiber displacement encoding device. By the optical fiber sensing terminal and the transmission device, the displacement of the subgrade settlement is converted into an optical code transmitted along an optical fiber, the optical code is remotely transmitted to the monitoring terminal through the transmission optical cable, and is subjected to operation such as photo-electric conversion, analysis processing, storage, display, alarm and the like in the monitoring terminal, and the subgrade settlement is remotely and automatically monitored in real time finally; and the remote automatic monitoring system is applied to the field of monitoring of subgrade settlement under complicated terrains and severe natural environments.

The invention relates to the technical field of oil storing tanks, in particular to an oil storing tank capable of preventing oil sedimentation based on solar heat collection. The oil storing tank comprises an oil storing tank body, an oil inlet pipe, an oil outlet pipe, an oil pump and a solar heat collector, wherein oil products in the oil storing tank body are divided into an oil storing layerand a sedimentation layer; the oil inlet pipe extends into the sedimentation layer from the outside of the oil storing tank body; the oil outlet pipe is arranged on the outer portion of the oil storing tank body; the oil pump is used for pumping oil stored in the bottom in the sedimentation layer to the oil outlet pipe; the two ends of the solar heat collector are respectively connected with the oil inlet pipe and the oil outlet pipe, and the solar heat collector is used for preheating circulating oil. The problems that electricity is used for heating stored oil, the energy is wasted, and themode is not environmentally friendly are solved, and the oil storing tank is energy-saving and environmentally friendly and ensures the quality of stored oil.

The invention discloses a method and device for early warning and anti-theft of cables along the expressway. The steps are: 1) adopting a sensing optical cable and laying the cables along the expressway at the same time; 2) using a guiding optical cable to connect the terminal box of the sensing optical cable to a main controller; 3) Use the internal light source module, optical path coupling module and optical detector module of the main controller to extract the vibration waveform of the cable laying area along the expressway; 4) Analyze the waveform characteristics of the optical fiber vibration signal under two types of events; 5) Use the main control computer to extract the main control computer. 6) Vibration events are alarmed and recorded in the waveform characteristic database. The sensing optical cable terminal box is connected to the sensing optical cable, cable, and guiding optical cable respectively, the main controller is connected to the guiding optical cable, the main controlling instrument is connected to the optical fiber signal analyzer through the guiding optical cable, and the optical fiber signal analyzer is connected to the main control computer. The alarm rate is improved, the missed alarm rate is reduced, the false alarm rate is reduced, the positioning accuracy is improved, and the response time is shortened.

A coach air conditioner air outlet device with automatic adjustment comprises a coach body (9), an angle-adjusting part (8) with the adjustable air-blowing direction and a locking part (6), wherein the angle-adjusting part (8) is supported by a coupling rod (96) in a rotatable mode, the coupling rod (96) is fixedly arranged on the coach body (9), and the angle-adjusting part (8) comprises an air-guiding plate (81) with a ventilation groove (80), an arc-shaped covering plate portion (82) fixedly connected to the lower portion of the air-guiding plate (81) and an angle-adjusting tooth portion (83) which is fixedly connected to the upper portion of the air-guiding plate (81). The coach air conditioner outlet device is reasonable and reliable in overall operation and can effectively solve the problems in the prior art.

The invention relates to a planting set for arid and rainless zones. The planting set comprises a drilling soil discharge assembly and a bidirectional water collection assembly, wherein the drilling soil discharge assembly comprises an outer pipe and an inner pipe, the inner pipe is nested in the outer pipe, the inner pipe is longer than the outer pipe, one end of the outer pipe and one end of theinner pipe are both provided with a sawtooth edge, the other end of the outer pipe and the other end of the inner pipe are both provided with a handle holding part, the outer pipe and the inner pipecan be simultaneously rotated and pressed down into the to-be-drilled ground, and after the inner pipe is pulled out, a planting hole is obtained; the bidirectional water collection assembly comprisesa water-blocking breathable film covering plant branches and leaves and a water absorption cover pipe arranged in the planting hole. Compared with the prior art, a soil discharge implement convenientto transport and operate is provided and has broad-spectrum application in various to-be-drilled lands; the adopted bidirectional water collection assembly achieves collection of rainwater on the ground through a water collection cover, the storage of water on the roots and the adsorption and collection of underground water are achieved through the water absorption cover pipe, and the water supply of plants is maximized.

The invention relates to a swing type spike spinning extractor, and belongs to the field of railway construction. A pull-out clamping groove is included. A groove body of the pull-out clamping grooveis narrow in the lower portion and wide in the upper portion and is in a stepped groove shape, the upper portion of the groove body of the pull-out clamping groove is matched with a spike cap of the spike, the lower portion of the groove body is matched with a spike body of the spike, the width of the lower portion of the groove body is consistent with the width of the spike body, and a thicknessof the lower portion of the groove body is smaller than a distance between a nail cap and a sleeper. The upper end of the groove body of the pull-out clamping groove is hinged to a lever through a pinshaft, after the pull-out clamping groove is matched with the spike, the axis of the pin shaft is perpendicular to and intersects with the center line of the spike, and a pedal is fixed to the tail end of the lever. The spike is pulled out by means of self-weight and swing of a human body, the operation process is very safe and labor-saving, a pillow surface is not damaged, electric power supplyis not needed, the use cost is extremely low, and a construction period is greatly shortened.

The meter (1) has a float element arranged in a measuring tube and deflectable by a flow of a fluid, and a transmitter provided with a shaft (3) for detection and conversion of deflection of the float element into a relative deflection of the shaft. A trigger (5) i.e. tab (7), is coupled with the shaft and operated by a limit switch that is designed as a reed switch (9). The trigger comprises a magnetic field creating unit. A display device comprises a measuring pointer (10) and a scale. The switch, the trigger, the transmitter and the display device are arranged in a common housing.

The invention relates to a road rainwater runoff pollution control system and a treatment method thereof. A road rainwater collection unit is located at the lower part of an isolation belt between a motor vehicle lane and a side pavement, a water inlet chamber is divided into an independent treatment chamber and an independent overflow chamber by an overflow plate in the water inlet chamber, the treatment chamber comprises an upper-part cavity and a lower-part filling assembly, the upper-part cavity is used for storing rainwater, the lower-part filling assembly is used for treating and purifying rainwater, a permeable sieve plate is arranged on the top of the filling assembly, a filtrated water outlet communicated with the overflow chamber is formed in the lower part of the overflow plate, and an overflow hole is formed in the upper part of the overflow plate and used for communicating the upper part of the treatment chamber with the overflow chamber; and a road rainwater storage unit is located at the lower part of a green belt on one side of the side pavement, a soil covering layer, a sand filling layer and an impounding reservoir are arranged from top to bottom, a water outlet in the lower part of the overflow chamber is communicated with the impounding reservoir through a rainwater pipe, a water outlet in the lower part of the impounding reservoir is connected with a water outlet pipe, and a control valve is arranged at the upper part of the water outlet pipe. According to the road rainwater runoff pollution control system, road rainwater can be smoothly discharged, and meanwhile, the runoff pollution is effectively controlled and adequately utilized from the source.

The utility model discloses a magnetic writing board provided with a handwriting erasing mechanism, and belongs to the technical field of teaching appliances. The magnetic writing board comprises a tank, wherein a magnetic display board is fixed on the front surface of the tank, the handwriting erasing mechanism is mounted in the tank and comprises guide rails fixed in the tank, the guide rails are arranged in the length direction of the magnetic display board, a sliding block is glidingly mounted on the guide rails, a magnetic stripe support is fixed in the front of the sliding block, magnetic stripes are fixed on the magnetic stripe support and close to the back of the magnetic display board, the length of each magnetic stripe is equal to the width of the magnetic display board, and a linear motion transmission mechanism is connected onto the sliding block and driven by a driving device. The magnetic writing board provided with the handwriting erasing mechanism adopts the magnetic stripes and the magnetic erasers, is free from dust pollution and is environment-friendly and healthy; and a mechanical and electronic integration technology is applied comprehensively, so that handwriting on the whole board can be rapidly erased, the remote-control and manual point control mode saves the physical strength, the manual mode does not require electric power supply, and the magnetic writing board can be popularized and used in the area short of electric power.

The invention provides a continuous extraction device and method for traditional Chinese medicine raw materials, the continuous extraction device comprises a pretreatment mechanism for breaking holes in medicinal materials and at least one group of extraction units, and each extraction unit comprises a high-pressure infiltration mechanism and a low-pressure extraction mechanism located below the high-pressure infiltration mechanism; a first discharge port of the high-pressure soaking mechanism is communicated with a second feed port of the low-pressure extraction mechanism through a first pipeline, a first valve is arranged at the first discharge port of the high-pressure soaking mechanism, and a second valve is arranged at the second feed port of the low-pressure extraction mechanism. The device can better extract non-powdery herbs at a lower temperature, in addition, due to the control of the temperature and the time, the extraction temperature does not reach 100 DEG C in the extraction process, and pasteurization is performed on liquid medicine while more medicine properties are kept.

The invention provides a mudflat greenhouse power supply-free automatic adjustment system. Existing power supply-equipped automatic control greenhouses can effectively control and monitor internal environmental conditions and are comprehensive in monitoring parameters, high in control precision and capable of automatically adjusting temperature fit for growth of crops, livestock or poultry but high in investment costs, complex in system structure and incapable of achieving power supply-equipment control systems when power supply is unavailable on mudflats. According to the mudflat greenhouse power supply-free automatic adjustment system, vacuum heat collector tubes, air ventilation pipes, corrugated pipes, upper sliding bars, buffer springs, lower sliding bars and second pushrods compose atemperature adjusting mechanism, and water gathering boxes, dropping pipes, upper rock arms, vertical transmission rods, horizontal transmission rods, first pushrods and reset springs compose a rainproof adjusting mechanism, so that, compared with the power supply-equipped automatic control greenhouses, the mudflat greenhouse power supply-free automatic adjustment system is simpler in structure,lower in investment cost, capable of achieving unattended operation and saving power supply, and applicable to greenhouse vegetable planting in newly-developed mudflat areas as well as greenhouse livestock and poultry feeding in mudflat areas.

The invention relates to a cold mat system for protecting a buried object in a permafrost area, and a construction method of the cold mat system. The cold mat system comprises an energy storage cooling box, and further comprises an air feeding channel and an air discharging channel which are formed in the top of the box and communicate with the box; the energy storage cooling box is used for beingarranged on a frozen soil layer and placed below the to-be-protected buried object, and the top of the energy storage cooling box is not lower than the frozen soil upper limit; and the air feeding channel and the air discharging channel are located in the two sides of the to-be-protected buried object, and the tops of the air feeding channel and the air discharging channel are both higher than the ground surface and communicate with the natural atmosphere. When the cold mat system is applied, the shape and size of the cold mat system adapt to those of the to-be-protected buried object, the overall and even temperature control effect can be provided for the to-be-protected buried object only through natural resources in the natural environment, thus frozen soil on the periphery of the to-be-protected buried object is always in a stable low-temperature state, the phenomena of frost heaving in the cold season and thaw collapse in the warm season are effectively prevented, and the problems of differential frost heaving and thaw collapse of the buried object in the frozen soil area, especially in linear engineering are fundamentally solved.

The invention relates to the technical field of oil storing tanks, in particular to an oil storing tank capable of preventing oil sedimentation based on solar heat collection. The oil storing tank comprises an oil storing tank body, an oil inlet pipe, an oil outlet pipe, an oil pump and a solar heat collector, wherein oil products in the oil storing tank body are divided into an oil storing layerand a sedimentation layer; the oil inlet pipe extends into the sedimentation layer from the outside of the oil storing tank body; the oil outlet pipe is arranged on the outer portion of the oil storing tank body; the oil pump is used for pumping oil stored in the bottom in the sedimentation layer to the oil outlet pipe; the two ends of the solar heat collector are respectively connected with the oil inlet pipe and the oil outlet pipe, and the solar heat collector is used for preheating circulating oil. The problems that electricity is used for heating stored oil, the energy is wasted, and themode is not environmentally friendly are solved, and the oil storing tank is energy-saving and environmentally friendly and ensures the quality of stored oil.

The invention discloses a double-deck bicycle frame. The double-deck bicycle frame comprises a framework, multiple upper-deck bicycle frames, multiple straight-type lower-deck bicycle frames and multiple upturned type lower-deck bicycle frames. The multiple upper-deck bicycle frames, the multiple straight-type lower-deck bicycle frames and the multiple upturned type lower-deck bicycle frames are fixed to the framework, the multiple upper-deck bicycle frames, the straight-type lower-deck bicycle frames and the upturned type lower-deck bicycle frames are arranged in an intersected mode, and thebottom of the framework is fixed to the ground. The double-deck bicycle frame has the beneficial effects that the parking number of bicycles can be increased in the same area, meanwhile the bicycles can be orderly parked, management is convenient, and the street surface is improved; a system is automatically formed, disassembly and transportation are convenient, power supply is unnecessary, and the subsequent operation and maintenance costs are low; and the situations that an existing sidewalk parking area is scarce and parking is disordered can be effectively relieved. Through a staggered arrangement of the up-down positions and staggered arrangement of the left-right space of parking of the bicycles, the largest and orderly bicycle parking in a unit area is achieved conveniently.

A coach air conditioner air outlet mechanism convenient to adjust comprises a coach body (9), an angle adjusting piece (8) of which the air blowing direction is adjustable, and a locking piece (6), wherein the angle adjusting piece (8) is rotatably supported by a coupling rod (96) which is fixedly arranged on the coach body (9); and the angle adjusting piece (8) comprises an air guide plate (81), an arc cover plate part (82) and an angle adjusting gear part (83), wherein a ventilating slot (80) is formed in the air guide plate (81), the arc cover plate part (82) is fixedly connected with the lower part of the air guide plate (81), and the angle adjusting gear part (83) is fixedly connected with the upper part of the air guide plate (81). The coach air conditioner air outlet mechanism convenient to adjust has the advantages that the overall operation is reasonable and reliable and problems in the prior art can be effectively solved.