535 results about "Tester device" patented technology

The utility model relates to test appearance technical field especially is related to a kind of electric mark resistance mobile integrated machine. Including pedestal, pedestal is fixedly arranged with support frame, multiple electrode assemblies that can move horizontally are equipped on the support frame, the upper surface of the pedestal is equipped with placing table, one end of the pedestal is fixedly installed with stand, the stand is installed with adjusting plate, multiple dripping devices are equipped on the adjusting plate, the electrode assembly includes adjusting mechanism slidingly arranged on connecting frame, electrode probe is arranged at the end of adjusting mechanism, the horizontal position of electrode assembly is adjusted, and the electric mark resistance test is carried out to multiple samples to be measured on placing table. The electric mark resistance mobile integrated machine of the utility model can efficiently utilize space, and support multiple samples synchronous detection, realize the flexible adjustment of electrode and dripping position.

The application discloses a lithium battery test tool convenient to operate, and relates to the technical field of lithium battery test tools, which comprises a placing assembly, an electrifying assembly and a docking assembly, a lithium battery is arranged in the placing assembly, a docking contact is arranged at the top outer end of the lithium battery, an electrifying assembly is arranged in the placing assembly, and the electrifying assembly comprises an electrifying box. The application realizes universal docking of the front end and the battery through the slidable electrifying assembly, flexible configuration of test signals through the internal multi-path circuit, and adaptive adjustment of the position of the terminal test plug through the motor-driven docking assembly, so that the equipment can be quickly adapted to lithium batteries with different sizes and different electrode layouts, and the interface positions of various test instruments fixedly installed on the upstream and downstream of the production line can be actively matched, thereby realizing a fundamental change from equipment adaptation to tool active adaptation to equipment and products, and greatly improving the flexibility, intelligent level and overall production efficiency of the test line.

This invention provides an insulation testing system and method for GIS (Gas Insulated Switchgear) and plug-in transformers that does not require disassembly, relating to the field of high-voltage electrical equipment testing technology. It aims to solve the technical problems of traditional plug-in transformer insulation testing, which requires disassembling the high-voltage side plug-in connector, leading to complex operation, high cost, slow response, and safety hazards. This invention establishes a test channel by reconstructing the grounding circuit of the GIS equipment. The GIS side grounding switch is closed, the grounding connector of the transformer side grounding switch is removed, and its exposed leads are used as test access points. Combined with dedicated test wiring components and insulation testing instruments, a complete electrical circuit covering transformer insulation testing is constructed. This invention eliminates the need to disassemble the plug-in connector, saving disassembly time. The test data error rate compared to traditional disassembly tests is ≤1.8%, eliminating the risk of SF6 gas leakage caused by repeated disassembly and assembly. It is suitable for preventative testing and fault diagnosis of fully enclosed insulated transformers in power systems.

The present application relates to the technical field of oil drilling downhole testing instrument, and particularly relates to a small-size geological parameter measuring short circuit. The small-size geological parameter measuring short circuit comprises a position gamma skeleton and a gamma sensor. The device is provided with a plurality of circular-arc-shaped slots as installation bins on the outer wall of the skeleton for installing the gamma sensor, the position gamma sensor, the main control board, the power board and the magnetometer. The compact design realizes comprehensive measurement of various geological parameters and reduces the overall size. The outer wall of the skeleton is designed with a wear-resistant ring to improve the durability of the device. The shielding layer realizes partition control of the gamma rays to improve the measurement accuracy. The outer wall of the main control board, the power board and the magnetometer is covered with high-temperature-resistant soft rubber to ensure stable performance in extreme environments. The small-size geological parameter measuring short circuit can be hung near the drill bit to realize real-time edge detection, help identify and locate sandstone layers, improve the sandstone drilling rate and discover the deviation of the drilling trajectory in time.

This utility model relates to the field of mud settling technology and discloses a settling stability tester, including a base plate and a mud cup. A U-shaped plate is fixedly connected to the top center of the base plate, and a nut pair is slidably connected to the left side of the inner wall of the U-shaped plate. A cover is slidably connected to the top of the inner wall of the mud cup, and a base is fixedly connected to the bottom left side of the nut pair. An insert plate is fixedly connected to the bottom center of the base, and second sliding grooves are provided at both the front and rear ends of the bottom of the base. A retaining plate is slidably connected to the inner wall of the second sliding groove, and evenly distributed springs are fixedly connected to both the front and rear ends of the insert plate. One end of each spring is fixedly connected to the retaining plate. In this utility model, the prepared mud is poured into the mud cup, and then the limiting plate is inserted into the limiting groove. At this time, the mounting hole can be aligned with the screw. Then, the screw is rotated to insert the screw into the mounting hole, thereby making the cover firmly cover the top of the mud cup.

The application relates to the technical field of metrological calibration, and discloses a multi-voltage-grade capacitor current tester calibration method based on unified transformation ratio. The method comprises the following steps: screening unified transformation ratio parameters meeting range constraints and error constraints, obtaining a ratio difference parameter of a corresponding electromagnetic voltage transformer, obtaining a capacitance ratio difference correction factor, calculating conversion coefficients under each voltage grade, determining a primary side capacitance setting value according to a preset primary side calibration capacitance value and the conversion coefficients, obtaining a secondary side output capacitance value of a standard capacitance tank, and collecting a displayed capacitance value and a displayed capacitance current value. The conversion coefficients between the unified transformation ratio and the theoretical transformation ratios of each voltage grade are established, single transformation ratio is used to cover multi-voltage-grade calibration, error components introduced by the ratio difference of the electromagnetic voltage transformer in the capacitance calibration process are reduced, and different transformation ratio equipment needs to be frequently replaced.

The utility model relates to a kind of testing devices, especially a kind of new energy automobile charging port cover function detection platform, including test table, test seat and testing mechanism;The test seat is set to the test table, and the test seat is used to place the charging port cover to be measured;The testing mechanism is set to the test table, and the testing mechanism includes tester, and the tester is used to detect the working condition of the LED lamp of the charging port cover to be measured.The working condition of the LED lamp group on the charging port cover to be measured is collected by tester, so as to judge the working condition of red, green and yellow light in LED lamp group, and the working condition of the LED lamp group on the charging port cover to be measured can be detected.

The utility model relates to the field of engineering material mechanics performance detection, concretely relates to a concrete torque measuring device, including base, the base is installed with the fixing frame, the upper portion of fixing frame is installed with hydraulic torsion tester, the top of base below hydraulic torsion tester is installed with the concrete clamping device for clamping and fixed concrete test piece, and the concrete test piece is embedded with reinforcing steel bar, and hydraulic torsion tester is connected with sensing device, sensing device is connected with control terminal, sensing device is used for real -time detection torque data, and data transmission to control terminal, and control terminal is used for receiving, display and the torque data of analysis gathered by sensing device, realize the real -time monitoring, analysis and storage of data, in the testing process, through hydraulic torsion tester to test piece exert torque, simultaneously sensing device gathers loading data and transmits to control terminal and carries out analysis, convenient operation, high test efficiency, is applicable to large -scale engineering application scene.

1. Name of the product in this design: Insulation Resistance Tester. 2. Purpose of this design: For measuring AC voltage, DC voltage, resistance, continuity, etc. 3. The key design feature of this product is its shape. 4. The image or photograph that best illustrates the design's key points: a 3D model.

The utility model discloses an amino acid ratio tester capable of being modularly stacked, and aims to solve the technical problems that in the prior art, a traditional stacking mode is direct stacking, and a corresponding fixing structure is not arranged at a contact position of the tester. Comprising a tester body, screw rods are fixedly connected to the positions, close to the four corners, of the bottom face of the tester body, rotating rings are in threaded connection with the side walls of the screw rods, and a first connecting assembly and a second connecting assembly are arranged on the tester body. The first connecting assembly comprises studs which are assembled on the top surface of the tester main body and are close to four corners, positioning grooves are formed in the top surfaces of the studs, and the bottom ends of the screw rods are matched with the positioning grooves. The bottom ends of the studs are fixedly connected with lead screws, threaded holes are formed in the positions, close to the four corners, of the top face of the tester body, the lead screws are in threaded connection with the threaded holes, different reinforcing structures can be selected according to stacking requirements, and a plurality of tester bodies can be conveniently reinforced into a whole.

1. Name of the product in this design: Alcohol Tester (ek2510). 2. Purpose of this design: This design is used to test the alcohol content in the human body. 3. The key design feature of this product is its shape. 4. The image or photograph that best illustrates the design's key points: a 3D model.

This utility model discloses a paper surface water absorption tester, relating to the papermaking industry. The paper surface water absorption tester includes a base plate, with two support plates symmetrically fixedly connected to one side of the base plate. A water supply mechanism for paper water absorption is provided between the two support plates. It also includes: a placement boss on the base plate, the placement boss being integrally formed with the base plate; and two sets of mounting seats symmetrically fixedly connected to the base plate and located on both sides of the placement boss. This utility model, through stable motor drive, ensures constant pressure intensity. Throughout the testing process, the pressure deviation of the pressure roller on the paper is minimal, ensuring consistent testing conditions each time, effectively avoiding human interference, making the test results more reliable and repeatable, and enabling the test data to more accurately reflect the true surface water absorption of the paper, providing strong data support for paper quality assessment and process improvement.

This invention relates to the field of electronic igniter testing, and more particularly to a temperature rise tester for electronic igniters, comprising a machine base; a detection panel is provided on the front side of the machine base; multiple temperature-sensing fixtures are evenly spaced on the upper end of the detection panel; and control components electrically connected to each temperature-sensing fixture are provided on the rear side of the machine base relative to each temperature-sensing fixture. The beneficial effects of this invention are: by providing multiple temperature-sensing fixtures and correspondingly positioned control components on the machine base, the heating capacity of the electronic igniter can be detected by the control components after it is placed on the temperature-sensing fixture, achieving automated testing of the electronic igniter and effectively improving accuracy and safety.

This utility model relates to the field of dynamic balancing testing, and more particularly to a splash-proof mechanical safety brake for a rotary balancing tester. It includes a platform, protective plates, and a turntable. Protective plates arranged in a circular array are rotatably mounted on the outer ring of one side of the platform. A mounting base is provided at the lower end of the platform, and the protective plates are rotatably mounted between the mounting bases. Bevel gears are provided on the outer walls of both sides of the mounting bases, with adjacent bevel gears meshing in pairs. A second motor is located at the lower end of the platform, and a turntable is rotatably mounted in the middle of the upper part of the platform. This device has automatic synchronous deployment of protection and rotary dynamic balancing testing functions. It solves the safety problem in existing high-speed rotational testing where workpieces may splash out due to centrifugal force, causing equipment damage or personal injury, effectively improving the safety and reliability of the testing process.

The utility model provides a kind of electrostatic tester, including electrostatic tester body and protection mechanism, protection mechanism includes connecting frame, protective sleeve and drive assembly. Two groups of probes can be stored into storage cavity to protect two groups of probes by the drive assembly driving two groups of protective sleeve folding rotation, two groups of probes can be opened by the drive assembly driving two groups of protective sleeve outward rotation, protective sleeve does not contact probe during protecting or opening probe, protective sleeve will not cause abrasion to probe, improve the service life of probe, and protective sleeve is always connected with connecting frame, without additional storage protective sleeve after opening probe, avoid causing protective sleeve loss.

The application relates to a device and a method for testing the bonding strength between a casing and well cement by using rotary torque, and belongs to the technical field of drilling material detection. The device comprises a test sample, a slip, a joint and a load applying device. Power is generated by a power device of a rotary dynamic torque tester to form rotary output, which drives a wellbore simulation casing to rotate. The wellbore simulation casing and a cement sheath fixed on a cementing cylinder are relatively displaced to form rotary torque. A torsion meter reads and records the torsion value when the cementing interface is damaged in real time, and the maximum value of the torsion value is taken as an index for representing the cementing strength. The device disclosed by the application is simple and convenient to operate, simple in structure, low in cost and reusable, and can be widely applied to the measurement and evaluation of the cementing performance of casings and well cement of different wellbore sizes.

This utility model discloses a multi-channel Bluetooth tester, including a housing assembly; a Bluetooth test circuit board fixedly disposed within the housing assembly, capable of simultaneously performing Bluetooth testing operations on multiple devices under test; multiple receiving antennas respectively fixedly disposed on the Bluetooth test circuit board and penetrating the housing assembly, each individually receiving Bluetooth signals from its corresponding device under test; a display screen fixedly disposed through the housing assembly and electrically connected to the Bluetooth test circuit board; and a heat dissipation assembly fixedly and electrically connected to the side of the Bluetooth test circuit board, which actively dissipates heat from the Bluetooth test circuit board. This utility model effectively solves the problem of low testing efficiency in existing Bluetooth testers by using multiple receiving antennas to individually receive Bluetooth signals from their respective devices under test and transmit them to the Bluetooth test circuit board for synchronous Bluetooth testing operations.

The utility model belongs to the field of capacitor current tester, specifically is a kind of based on constant current sweep technology distribution network capacitor current tester, including box body, the surface fixedly connected with soft block of box body, the middle part of soft block top is equipped with the slot, the surface of the slot is overlapped with tester body, the edge of box body top is fixedly connected with wire arrangement assembly, the bottom of tester body is sleeved with buffer assembly, through the structural design of wire arrangement assembly, test personnel when using this capacitor current tester, pull apart clamping plate while limit spring elongation, increase the distance between clamping plate and limit plate, then test personnel will test line pass through the arc-shaped gap of limit plate and connect the joint with the interface on tester body, when test personnel complete connection, stop pulling clamping plate, limit spring rebound, and drive clamping plate to move to the direction close to limit plate, test line is fixed by soft clamp block and limit plate, improve test efficiency.

A test fixture includes a fixed base for placing a module and probes. The fixed base defines threading needle holes, and the threading needle holes communicate with a surface of the fixed base adjacent to the module. The probes are connected with a tester and extend through the threading needle holes to contact with the module placed on the fixed base. The tester is capable of testing the module. When the module is disposed on the fixed base, the probes are directly connected with the module for testing, a gilded block between the module and the probes is omitted for improving a stability and an accuracy of test results. An early warning system is also disclosed.

A kind of comprehensive testing device for nuclear power plant control system relay fuse, it is characterized in that: including tester native, special-shaped heat pipe heat dissipation shielding module, magnetic interface conversion module, measured relay / fuse, external computer, external power supply;External power supply, measured relay / fuse, external computer are connected with tester native through shielding layer panel;External power supply powers tester native, external computer issues instruction to control tester native;Magnetic interface conversion module is connected with tester native, shielding layer panel.Connecting with tester native, shielding layer panel through magnetic interface conversion module, the stable and reliable work of relay fuse testing device in strong ionization environment is guaranteed;At the same time, through a series of design, it is guaranteed that the heat dissipation performance and electrical performance of relay fuse testing device are not influenced by shielding measure, the test function and test performance of relay fuse testing device are effectively guaranteed without discount.

A tester includes a performance board unit on which a probe card for testing a semiconductor circuit is mounted, and a main body unit to which the performance board unit is detachably attached, in which the performance board unit has a caster on a side closer to the main body unit, and the main body unit has the caster rail supporting the caster and the lifting unit that raises and lowers the caster rail in an attachment / detachment direction of the performance board unit.

This application provides an in-situ micropillar compression experiment alignment method, relating to the field of micro / nano mechanical testing instrument technology. The method includes: acquiring a sample; providing a mechanically self-locking alignment device, placing the sample and an in-situ indenter on the mechanically self-locking alignment device to perform macroscopic positioning of the sample, and transferring the sample to the in-situ indenter; removing the in-situ indenter from the mechanically self-locking alignment device and placing it under an electron microscope; controlling a probe to sequentially contact two marks, acquiring coordinate data of the two marks respectively; obtaining the positional deviation of the micropillar relative to the marks in the probe's motion coordinate system based on the coordinate data; controlling the probe to move directly above one of the marks based on the coordinate data; and controlling the probe to move from directly above the mark to directly above the micropillar based on the positional deviation. This application can solve the significant shortcomings of existing sample mounting and alignment technologies in terms of positioning accuracy, operational safety, and engineering reliability.

To improve the measurement accuracy of feedback capacitance of a semiconductor device. Between a gate terminal of a semiconductor device subject to measurement and an Lc terminal of an LCR meter, a first wiring that is passed through a core of a transformer once and connected between a gate terminal and a source terminal and a second wiring wound N times around a core of the transformer, and one end is connected to the Lc terminal and the other end is grounded are provided. when ω represents an angular frequency of the AC signal applied to the drain terminal of the semiconductor device, LS_6A represents inductance of the first wiring, LS_6B represents inductance of the second wiring, and CGS represents gate-source parasitic capacitance of the semiconductor device, a relationship of ωLS_6A<1 / (ωCGS), and ωLS_6B / N2<1 / (ωCGS) are satisfied.

The utility model relates to the technical field of isolation type DC-DC converter, specifically is a kind of isolation type DC-DC converter test fixture, including platform, docking positioning frame and push clamp frame, the docking positioning frame and push clamp frame are respectively fixedly connected in the top both ends of platform, the heat dissipation mesh is installed in the middle part of platform and is penetrated, the docking positioning frame is provided with X-axis movement cover and the Y-axis moving block for installing detection probe, the push clamp frame is provided with X-axis moving block, push plate and L type limit plate. Through the assembly of platform, docking positioning frame and push clamp frame, a set of convenient and fast clamping positioning test fixture is provided for isolation type DC-DC conversion, so that the detection probe of isolation type DC-DC converter can be quickly docked with test instrument, greatly increase the efficiency of test, meanwhile, the mechanism that can help the bottom of isolation type DC-DC converter to radiate heat outward is arranged, so that the stability during isolation type DC-DC converter test is better.

The utility model discloses a kind of electronic cigarette silica gel sealing ring elasticity tester, the tester includes tensile drive mechanism, tensile fixture and temperature simulation mechanism.Tensile drive mechanism is moved by screw rod rotation to drive movable beam, and then realize the tensile operation to silica gel sealing ring, and tensile force sensor can record tensile force data during movable beam movement.Tensile fixture is used to firmly hold silica gel sealing ring, to ensure the accuracy of tensile test.Temperature simulation mechanism can generate hot air and blow to the silica gel sealing ring being stretched, simulate different temperature environment.Through the tester, electronic cigarette silica gel sealing ring can be carried out elasticity test under the temperature condition set, comprehensively assess its elasticity performance under different temperatures, provide reliable basis for the research and development, production and quality control of electronic cigarette sealing ring.