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13results about How to "Stable sampling" patented technology
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Portable water quality sampler stand
This utility model relates to the technical field of water quality sampler brackets, specifically to a portable water quality sampler bracket, including a base and a support mechanism. The support mechanism includes a support component, a transmission component, and a reinforcement component. The support component includes a support cylinder disposed above the base. Multiple support rods are fixedly connected between the side wall of the support cylinder and the upper surface of the base. A top plate is fixedly connected to the top of the support cylinder, and an electric telescopic rod is fixedly installed on the bottom surface of the top plate. This utility model, through its support component, enables precise and rapid adjustment of the mounting bracket height to meet the sampling needs of water bodies at different depths. The reinforcement component significantly enhances the stability of the bracket in complex environments, effectively resisting the impact of water flow, wind, and other external forces, ensuring the stability of the water quality sampler during sampling.
Owner:TIANCHANG SHENGLIN HYDROPOWER CONSTR CO LTD
Compound fertilizer quality detection device structure
ActiveCN224608760UAvoid tipping situationsStable sampling
The utility model relates to compound fertilizer quality detection device structure technical field, especially for a kind of compound fertilizer quality detection device structure, including support frame, the base surface of support frame is provided with fixed component, the upper end of support frame is provided with sample box, the base surface of sample box is provided with feed hopper, the left side of sample box is provided with driving motor, the inside rotation of sample box is provided with stirring rod, by setting fixed component on compound fertilizer quality detection device structure, when sampling, by pulling handle, mobile base plate can be pulled out, sampling cylinder is placed on mobile base plate, respectively sliding first sliding sleeve, second sliding sleeve, third sliding sleeve and fourth sliding sleeve, by first limiting rod and second limiting rod, sampling cylinder can be positioned, so that it is more stable when sampling, so as to avoid the situation that sampling cylinder is tilted when sampling, overall device structure is simple, easy to operate and more practical.
Owner:广东福利龙复合肥有限公司
Sampling device for foundation detection
ActiveCN224092444UStable samplingeasy to cleanCleaning using toolsIn situ soil foundationAgricultural engineeringRound bar
Owner:HUNAN ZHONGTENG STRUCTURE TECH GRP CO LTD
Sampling device for water conservancy project quality detection
ActiveCN224079845Ueasy maintenanceavoid washing awayWithdrawing sample devicesStands/trestlesElectric machineGear wheel
The utility model discloses a sampling device for water conservancy project quality detection, which comprises a device main body and a motor, a side output shaft of the motor is fixedly connected with a gear, one end of the side of the device main body is provided with an electric telescopic rod, one end of the side of the electric telescopic rod is fixedly connected with a fixing frame, and one end of the side of the fixing frame is provided with a fixing pile. One end of the side surface of the device main body is provided with a telescopic assembly for telescoping, and one end of the side surface of the telescopic assembly is provided with a sampling mechanism for sampling; through the telescopic assembly and the like, the device can adapt to various terrains, can be used for sampling sites according to needs, is more convenient to use, and can well keep samples through the sampling mechanism after sampling, so that the samples are prevented from being washed away by flowing water in the rising process after sampling, and the sampling efficiency is improved. And the sampling is more stable.
Owner:HUBEI XIANGZHUO TESTING CO LTD
Escherichia coli rapid detection sampling device
ActiveCN224172752UStable samplingImprove sampling efficiencyBioreactor/fermenter combinationsBiological substance pretreatmentsEscherichia coliSample water
The utility model relates to the technical field of sampling devices, and provides a rapid escherichia coli detecting and sampling device which comprises a sampling barrel, the outer wall of the sampling barrel is fixedly connected with a supporting cross frame, a sampling mechanism is installed on the outer wall of the supporting cross frame, and the sampling mechanism comprises a rotating rod movably installed in the supporting cross frame. A first transmission wheel is fixedly connected to the outer wall of the rotating rod, a handle is movably connected to the interior of the first transmission wheel, a transmission belt is movably connected to the outer wall of the first transmission wheel, and a second transmission wheel is movably connected to the inner wall of the transmission belt. By pulling the handle, the first transmission wheel can rotate along the supporting cross frame, the second transmission wheel can rotate, the threaded rod is driven to ascend along the sampling barrel, the piston slides and ascends along the sampling barrel, and water can be pumped into the sampling barrel through an opening in the bottom of the sampling barrel under the action of pressure; the effect of conveniently, stably and quickly sampling the water in the water area is achieved.
Owner:MIANYANG TEACHERS COLLEGE
Atomized-reflow bioaerosol sampler
This invention provides an atomization-recirculation bioaerosol sampler, comprising: an aerosol mixing system, an aerosol separation system, an atomizing liquid replenishment system, a recirculation liquid collection system, an atomizing liquid level control system, a mist volume adjustment system, and an air intake flow rate adjustment system. The combined action of the aerosol mixing system and the aerosol separation system enables the capture of aerosols of different particle sizes in the air, while the aerosol separation system simultaneously recovers suspended droplets. The atomizing liquid replenishment system and the recirculation liquid collection system effectively ensure the stability of the sampling process. The atomizing liquid level control system allows the sampler to meet the requirements of long-term automatic sampling. The air intake flow rate adjustment system and the mist volume adjustment system allow for manual adjustment of key operating parameters of the sampler, meeting the adjustment needs of sampling conditions under special circumstances. This invention can reduce the damage to microbial cells caused by shear stress generated by impact during sampling, maintain the biological activity of the sample, and improve sampling efficiency.
Owner:SHANGHAI JIAOTONG UNIV
A battery charge management control system, method, device, and media
The application provides a battery charging management control system, method, device and medium, and belongs to the technical field of battery management. The system comprises: a first battery CELL1 and a second battery CELL2 connected in series; a first capacitor module connected in parallel across the first battery CELL1; a second capacitor module connected in parallel across the second battery CELL2; a first equalization circuit connected in parallel between the first capacitor module and the first battery CELL1; a second equalization circuit connected in parallel between the second capacitor module and the second battery CELL2; a first voltage detection circuit connected in parallel across the first battery CELL1; a second voltage detection circuit connected in parallel across the second battery CELL2; and a microcontroller MCU connected with the first equalization circuit, the second equalization circuit, the first voltage detection circuit and the second voltage detection circuit respectively. Intelligent management of multiple series-connected batteries is realized.
Owner:浪潮智能终端有限公司
Soil sampling equipment for environmental planning
ActiveCN224163390UStable samplingImprove connection stabilityWithdrawing sample devicesAgricultural engineeringElectric machinery
The utility model discloses soil sampling equipment for environmental planning, and belongs to the technical field of soil sampling equipment, and the technical scheme is characterized in that the soil sampling equipment comprises a base provided with a mounting rack and a lifting plate; the sampling mechanism is mounted on the base; the drill bit is mounted on the sampling mechanism, and the drill bit is provided with an external thread; the driving motor is mounted between the lifting plate and the sampling mechanism; wherein the sampling mechanism comprises a sampling barrel, a baffle and rotary blades, a plurality of sampling grooves are formed in the side wall of the sampling barrel, the baffle is matched with the sampling grooves, the rotary blades are movably installed in the sampling grooves and provided with first motors, and the rotary blades in the sampling grooves are coaxially connected; the driving motor is provided with a threaded rod, and the mounting frame is provided with a mounting part matched with the threaded rod. The soil sampling device can be used for sampling a softer soil layer, and the sampling stability of soil at different depths is ensured.
Owner:ZHEJIANG HUANKE ENG DESIGN CO LTD
Coupler and radio frequency front end module
This invention provides a coupler and an RF front-end module. The coupler includes a substrate and input waveguides, switching waveguides, coupling waveguides, isolation waveguides, transition waveguides, and output port lines formed on the substrate. The substrate includes a high-resistivity silicon substrate, an oxide buried insulating layer, a first metal layer, a second metal layer, and a third metal layer stacked sequentially. The input waveguides, coupling waveguides, isolation waveguides, and output port lines are spaced apart and formed on the third metal layer, while the switching waveguides and transition waveguides are spaced apart and formed on the second metal layer. This invention enables the coupler to have low parasitics, high narrowband, stable sampling, and low power consumption.
Owner:LANSUS TECH INC
A soil sampling device for saline-alkali land remediation
This utility model discloses a soil sampling device for saline-alkali land remediation, relating to the field of soil sampling technology. The utility model includes a sampling frame, a sampling rod rotatably connected to the top of the sampling frame, a rotating handle installed at the top of the sampling rod, a drill bit at the bottom of the sampling rod, a sampling chamber at the bottom of the sampling rod, multiple sampling windows on the periphery of the sampling chamber, a mud-blocking cylinder installed inside the bottom of the sampling rod, an adjustment groove in the middle of the sampling rod, and an adjustment rod fixedly connected to one side of the mud-blocking cylinder. By incorporating a mud-blocking cylinder inside the bottom of the sampling rod with its bottom open, and by providing an adjustment groove in the middle of the sampling rod and installing an adjustment rod in the middle of the mud-blocking cylinder, this utility model effectively isolates the deep soil being sampled from the surface soil before and after drilling throughout the entire process of deep soil sampling, thereby improving sampling accuracy.
Owner:INNER MONGOLIA MENGTU ECOLOGICAL ENVIRONMENTAL PROTECTION TECH CO LTD
Stratum rock soil sampling device and sampling method
PendingCN121954549ARealize automatic switching samplingnot squeezedWithdrawing sample devicesSoil scienceElectric machinery
The invention relates to the technical field of rock-soil sampling, in particular to a stratum rock-soil sampling device and method.The stratum rock-soil sampling device comprises a movable platform, a drilling mechanism is installed on the side portion of the movable platform and comprises a side plate, the side plate is fixedly installed at the top of the movable platform, and a sliding groove is formed in the side portion of the side plate; a first threaded rod is rotatably mounted in the sliding groove, the first mounting plate is mounted on the surface of the first threaded rod in a threaded mode, a first motor is fixedly mounted at the top of the first mounting plate, a drilling rod is rotatably mounted at the bottom of the first mounting plate, and the drilling rod is fixedly connected with the output end of the first motor. By arranging the static pressure sampling mechanism and the hard sampling mechanism and combining real-time detection of the pressure sensor, automatic switching sampling of stratums with different hardness such as soft soil, hard soil and rock stratums can be achieved, sampling components do not need to be replaced, operation is convenient and fast, the sampling efficiency is greatly improved, and the sampling requirements of complex stratums are met.
Owner:THE FIFTH GEOLOGICAL BRIGADE OF SHANDONG PROVINCIAL BUREAU OF GEOLOGICAL & MINERAL EXPLORATION & DEV
Ultra-narrow pulse stretching circuit, method and electronic device
The application provides an ultra-narrow pulse expansion circuit, method and electronic equipment. The circuit comprises: a calibration module, configured to perform inverse transformation and delay processing on a control signal to obtain a calibration signal; an OR gate, configured to perform logical OR operation on a measured signal and the calibration signal to obtain a clock signal; and a D flip-flop, configured to output an expanded signal according to the control signal and the clock signal. The input end of the D flip-flop is connected to the control signal, and the clock end of the D flip-flop is connected to the output end of the OR gate. The first input end of the OR gate is connected to the output end of the calibration module, and the second input end is connected to the measured signal. The input end of the calibration module is connected to the control signal. By using the application, the measured signal, especially the ultra-narrow pulse with multiple uncertain numbers of ultra-narrow sub-pulses, can be expanded, and the expanded pulse can be stably sampled.
Owner:HANGZHOU ALTRON PHOTONICS TECH CO LTD
Dual-line cascade-based line-scan synchronization display method and system
ActiveCN121686943BSolve the problem of parallel mode decayStable samplingStatic indicating devicesComputer architectureAuto-configuration
The application provides a line scanning synchronous display method and system based on double-line cascade. The method comprises the following steps: sending a clock signal and an address configuration instruction to a first constant current chip by a controller; after the i-th constant current chip receives the clock signal and the address configuration instruction, generating an IC address for the i-th constant current chip according to the address configuration information, and forwarding the clock signal and the address configuration instruction to the (i+1)-th constant current chip after processing; generating a frame synchronization signal according to the IC address in the instruction synchronization period; and correcting the frame synchronization signal by the i-th constant current chip by using the IC address to generate a line synchronization signal. The application realizes cascade through two lines of DCLK and SDI, makes the cascade chip automatically configure the address by sending a specific instruction by the controller, and delays the synchronization of the chip according to the configured address. Meanwhile, the cascade chip adopts a serial reverse output strategy to realize stable sampling of cascade data, and solves the attenuation problem of the DCLK parallel mode.
Owner:SHENZHEN SUNMOON MICROELECTRONICS