46 results about "Continuity test" patented technology

The invention relates to the technical field of wire harness detection, and particularly discloses a new energy automobile wire harness conduction test system, which is used for solving the problems of low detection precision and poor abnormity identification and data tracing capabilities in a complex structure wire harness and an extreme abnormal state in the prior art. The system comprises a data acquisition module for multi-group constant current excitation and high-resolution acquisition based on a four-line method, a dynamic anomaly analysis module with sliding window processing and adaptive threshold discrimination capabilities, and a level-to-level management module for automatic multi-layer grouping according to parameterized feature tags, through high-frequency multi-round synchronous detection, trend change modeling and grouped closed-loop parameter adjustment, high-precision detection, whole-process intelligent recheck and whole-process dynamic traceability of the multi-loop conduction state and multi-type abnormity of the new energy automobile wire harness are realized; and the safety and the detection management level of the wire harness system are effectively improved.

The invention relates to the technical field of locomotive line detection, in particular to a line detection system and device for a locomotive main transformer, and the system comprises a transformer which comprises an input side and an output side, the input side is used for being connected with a power supply, the output side comprises an end a and an end n, the end a is used for being connected with the end A of the main transformer, and the end n is used for being connected with the end X of the main transformer; the end a is connected with an over-current relay; the input side is connected with a conduction test loop, an operation test loop and an overload test loop; the conduction test loop is used for testing the conduction states of the main transformer, the a end and the n end; the operation test loop is used for carrying out power supply detection on the main transformer; when the transformer is in overload operation, the overcurrent relay drives the overload test loop to be conducted; therefore, through the arrangement of the conduction test loop, the operation test loop and the overload test loop, the conduction state, the power supply condition and the overload condition of the main transformer line can be rapidly detected, and cumbersome connection and disconnection operation is not needed.

This invention relates to the field of terminal wire harness continuity testing, specifically to a terminal wire harness continuity testing device, including a base and a bracket. A support groove is formed along the length of the bracket on its upper part, with one end of the groove open. Multiple terminal wire harnesses are evenly arranged along the extension direction of the support groove, passing through it. An extension plate is fixed vertically at the lower part of the support groove, with the extension plates evenly arranged along the extension direction of the groove and a first gap between adjacent extension plates. A second gap exists between adjacent individual wire harnesses within the terminal wire harness, the size of which is equal to the size of the first and second gaps. A wire management unit is also provided below the support groove, located on the side of the terminal wire harness away from the extension plates. The wire management unit includes a pressing rod that moves horizontally. This invention reduces the workload during testing and avoids damage to the terminal wire harness during automatic testing.

The present invention relates to the technical field of cable processing, and in particular to a cable continuity test apparatus, comprising: a cable clamping assembly, wherein the cable clamping assembly comprises clamping claws, and the clamping claws are used for clamping a cable jacket; and a test assembly arranged opposite to a clamping center of the cable clamping assembly, wherein the test assembly comprises two first test clamps, two second test clamps and two third test clamps; the first test clamps are cylindrical and are used for clamping a shielding layer; the second test clamps and the third test clamps are sheet-shaped, and the end of each of the second test clamps and the third test clamps facing the cable is provided with a semicircular recess; two sets of the semicircular recesses are respectively used for clamping an insulating layer and a central conductor of the cable; a circle formed by combining the two semicircular recesses of the second test clamps is adapted to the outer diameter of the insulating layer, and the two second test clamps are conductors; when an insulator is clamped in place, the two second test clamps can be electrically connected; and the first test clamps, the second test clamps, and the third test clamps are further used for power-on test between every two test clamps.

A method for operating a clamp monitoring system includes a control system that receives confirmation that a workpiece has entered a test area within a workstation. In response to receiving this confirmation, the control system issues command prompts to: (1) position a continuity test device at a target clamping location where a hose clamp secures a hose to a hose connector on the workpiece, and (2) activate the test device after it has been positioned at the target clamping location. The test device transmits continuity data indicating electrical continuity of the hose clamp to the control system. A position sensing device transmits position data indicating the real-time position of the device to the control system.The controller issues a message indicating that the hose clamp is properly attached to the workpiece when the continuity state shows electrical continuity at the hose clamp and the real-time fixture position matches the target clamping location.

The invention relates to the field of photo-thermal equipment and component manufacturing thereof, in particular to a rotary feeding device for automatically screening positive and negative electrodes of components, which comprises a rotary conveying mechanism and a positive and negative electrode detecting and screening mechanism, the rotary conveying mechanism comprises a rotary disc capable of intermittently rotating, a clamping piece circumferentially arranged on the rotary disc and at least two clamping unlocking pieces; the clamping piece comprises a clamping block for clamping the component and an elastic reset structure for providing an acting force for downward pressing of the clamping block; the clamping unlocking piece can slide to the position below any clamping piece to lift the clamping piece. And the positive and negative electrode detecting and screening mechanism comprises a conduction test table for detecting positive and negative electrode pins of the components and a component recycling assembly, when abnormity is detected, the clamping unlocking piece lifts the clamping piece, and meanwhile, the component recycling assembly recycles the components. According to the device, the processing efficiency and the transfer efficiency of the photo-thermal equipment components are improved, the transfer matching time is shortened, meanwhile, the flexibility and the universality of the transfer device are improved, and the practicability of multi-scene processing is improved.

A flexible optical fiber ribbon and a bonding effect testing system and method thereof. The flexible optical fiber ribbon comprises multiple optical fibers arranged side by side, and intermittent bonding portions are arranged between adjacent optical fibers; the transmittance of the intermittent bonding portions to the testing optical wavelength band is 50% or below; an optical fiber coating layer is wrapped by a colored layer, and the colored layer is wrapped by a light transmissive layer; the transmittance of the colored layer to the testing optical wavelength band is 30% or below, and the transmittance of the light transmissive layer to the testing optical wavelength band is 85% or above; and the bonding portions having standard conforming bonding effect cover the light transmissive layer in the direction of the testing light. In the present invention, a photosensitive component is used in conjunction to implement continuity testing by utilizing an optical signal, and thus the sensitivity, accuracy, and speed far exceed imaging testing. In the present invention, an optical signal continuity test is used to avoid defects such as image smearing and image retention caused by traditional imaging testing, significantly increasing testing efficiency, removing the manufacturing speed bottleneck caused by quality monitoring in a production line, and enhancing the manufacturing efficiency.

This invention provides an automated testing method and equipment for multi-channel controlled USB connection continuity. The method includes the following steps: S1: Connect the USB continuity test box to a 5V power input port; S2: Insert the test USB peripheral into the USB female connector; S3: Insert the USB continuity test male connector into the USB female connector of the terminal under test; S4: Connect the serial port input port to a computer and input serial port control commands to the serial port control module via the computer; S5: After receiving the commands, the serial port control module controls the opening and closing of the serial port relay to realize the continuity of the VCC power supply line. This invention uses automated USB connection continuity testing. By designing a script on the computer to control the continuity of the 5V power input of the USB VCC, the USB connection continuity test can be realized. This invention is reliable, low-cost, and the testing method is simple and easy to operate.

This invention relates to the field of chip testing technology, and discloses a continuity test interface board, a method for automatically generating channel correspondences, and a storage medium. The method includes a test interface board with several square test areas centered on the same point. These square test areas increase proportionally from the inside out along the diagonal of the test interface board. Each square test area has an equal number of pads connected to its outer side, with the pads evenly spaced. The other end of each pad is located outside the test interface board. The pads connected to the inner square test areas pass through the outer square test areas and are positioned between the pads connected to the outer square test areas. By strategically arranging the pads, the test interface board can be compatible with various types and specifications of chips under test. Furthermore, the correspondence between pads and channels improves the overall efficiency of chip testing, ensures the accuracy of complex package testing, and enhances the degree of automated testing.

To provide a conduction inspection system capable of easily performing conduction inspection of a wire harness while suppressing a burden on a worker.SOLUTION: The conduction inspection system 40 includes a laser device 80, a first infrared camera 110, and a control device 200. The control device 200 controls the laser device 80 so as to irradiate a terminal to be irradiated electrically connected to an electric wire to be inspected with laser light for a predetermined time. The control device 200 controls the first infrared camera 110 to acquire the first and second temperature information of the terminal to be measured electrically connected to the electric wire to be inspected before and after irradiating the terminal to be irradiated with the laser light. The control device 200 calculates a value of the temperature change of the terminal to be measured based on the first temperature information and the second temperature information. The control device 200 determines the continuity state of the electric wire to be inspected based on the value of the temperature change of the terminal to be measured and the reference value associated with the electric wire to be inspected.SELECTED DRAWING: Figure 1

Systems and methods are provided for improved installation speed and reliability for mechanical cable splices to safely retrieve an armored electrical cable and attached electrical submersible pump (ESP) from a wellbore. The ESP can be brought to the surface for replacement or maintenance and reinstallation along with the same armored power cable. Embodiments of cable splice devices are provided to establish a strong splice having tensile strength required or exceeding that needed to retrieve the cable and ESP from the wellbore safely. A bypass load-bearing clamp may be used temporarily to further assist the tensile strength of the cable non-electrical splice if such tensile strength is deemed insufficient to safely overcome the required retrieval forces. Furthermore, the splice includes a short-circuit electrical connector that enables a quick electrical continuity test for determining if the cable is suitable for redeployment.

This invention discloses a communication structure for a test module based on a continuity tester, comprising: a continuity test host, having a host MCU and host data signal output and input terminals connected thereto; a continuity test point board, having multiple communication interfaces, each of which is connected to a test bus via a corresponding first switch and grounded via a corresponding second switch; and multiple communication node modules, each having a module indicator light, a node MCU, and node data signal input and output terminals connected thereto. The module indicator lights, node data signal inputs, and node data signal outputs are all connected to their respective communication interfaces via module indicator light control lines, and the module indicator lights are also connected to the host MCU via indicator light enable signal lines. This structure forms a communication network connecting all test modules, enabling the test host to read and save the test results and parameter settings of the test modules, thus achieving traceability of the tested products.

An end effector has an end effector frame configured to be mounted to a movable platform capable of positioning the end effector relative to a structure. In addition, the end effector has a plurality of process tools mounted to the end effector frame and having different functional capabilities associated with hole formation and fastener installation in the structure. Furthermore, the end effector has a continuity tester configured to determine the existence of an uninterrupted electrical path between a fastener and the structure after installation of the fastener.

The utility model relates to the technical field of electronic testing and measurement, in particular to an integrated testing device for conduction and deformation of a mobile phone metal element. Comprising a working table, a controller, an integrated conduction and deformation testing device and a test driving device, the integrated conduction and deformation testing device is used for conducting conduction and deformation testing on a mobile phone tail insertion original piece, the test driving device is located at the top of the working table and used for conducting detection driving, and the integrated conduction and deformation testing device comprises a conduction testing piece, a hard pulling and inserting preventing buffering piece and a deformation testing piece. The conduction test piece comprises a conduction test head and a USB male head, the conduction test head is used for being connected with a mobile phone tail jack, the deformation test piece is located in the conduction test head, and the conduction test head is electrically connected with the USB male head through a wire. According to the method, conduction testing and deformation detection are integrated, the number and complexity of detection equipment are reduced, the equipment purchase and maintenance cost is reduced, and the detection precision is far higher than that of a traditional method.

The utility model discloses a kind of multi-point parallel test devices of wiring harness conduction test, belong to wiring harness conduction test device technical field, including rectangular frame, the inside of the rectangular frame is slidably connected with two storage boxes, the inner wall of rectangular frame is rotatably connected with pivot, the outer surface of pivot is fixedly connected with rotating plate, the right side of pivot is provided with first stepper motor, the right side of rectangular frame is provided with protective frame, the inner wall of protective frame is fixedly connected with controller, the upper surface of rectangular frame is fixedly connected with rectangular plate, the right side of rectangular plate is provided with second stepper motor, the output of second stepper motor is fixedly connected with threaded shaft, the outer surface of threaded shaft is rotatably connected to the inner wall of rectangular plate.The multi-point parallel test device of wiring harness conduction test, by first stepper motor can rotate counterclockwise forty-five degrees, make unqualified wiring harness drop to rear storage box, to realize the purpose of automatic classification, avoid the problem that subsequent need manual sorting.

The invention discloses wire harness conduction test equipment with a test tool, and relates to the technical field of cable detection. The device comprises a test bench, the top of the test bench is fixedly provided with four first linear modules, the four first linear modules are symmetrically arranged on the two sides respectively, and the tops of the driving ends of the two first linear modules located on the same side are fixedly provided with the same vibration table. Through the arrangement of the lower supporting plate and the upper cover plate, a manipulator conveys a wire harness into one of the limiting grooves, an opening and closing motor drives the upper cover plate to turn over and close, and then the two first linear modules on the two sides drive the two vibration tables to be away from each other correspondingly, so that the wire harness slides in the limiting grooves in the two sides; and the terminals at the two ends of the wire harness are automatically clamped into the limiting grooves in the two sides to be limited, meanwhile, the terminals at the two ends are inserted into the power connection insertion grooves in the two sides respectively, conduction of the wire harness is completed, a conventional conduction test of the wire harness is automatically carried out, and automatic power-on of the wire harness is achieved.

This application provides a cable continuity testing device and system. The cable continuity testing device has at least one set of cable connectors on its housing. Each set of cable connectors includes a first connector and a second connector of different models. The first connector corresponds to the interface at the first end of the cable to be tested, and the second connector corresponds to the interface at the second end of the cable to be tested. Thus, the interfaces at both ends of the cable to be tested can be connected simultaneously through one set of cable connectors, improving the efficiency of cable continuity testing and avoiding the possible testing errors that may occur when checking each jack in the interfaces at both ends of the cable one by one with a multimeter, thereby improving the accuracy of cable continuity testing. The continuity test results of the cable to be tested are displayed by a display module set on the housing of the continuity testing device, which makes it easy for users to intuitively observe the continuity status of the cable to be tested and reduces the difficulty of operating the cable continuity test.

The invention discloses a test signal processing method, system and device of UFS equipment and a storage medium. The method comprises the steps of obtaining a target test signal; when it is detected that the target test signal is abnormal, comparing a target abnormality type of the target detection signal with a target problem list to obtain a comparison result; under the condition that the comparison result represents that the target exception type is in the target problem list, adding one to the historical exception times corresponding to the target exception type, and continuing to test the UFS equipment; and under the condition that the comparison result represents that the target exception type is not in the target problem list, verifying the relationship between the target test signal and the UFS equipment and the test object to obtain a target verification result, and adding the target exception type to the target problem list or terminating the test according to the target verification result. The testing continuity can be ensured, the testing period is short, and the testing cost is low.

To provide a continuity tester and continuity test method, capable of distinguishing circuits having same wire species, etc., even though the circuits are adjacent to each other to test continuity in non-contact.SOLUTION: A continuity tester 1 for testing continuity in non-contact to a wire harness WH including a plurality of wires having a terminal attached to the end and connectors C having the inserted terminals of the plurality of wires includes: a laser transmitter 10 for irradiating each terminal inserted into the connector C with a laser beam at different timings; an infrared camera 50 capable of imaging an opposite end being an end on the side opposite to an end on the attachment side of each terminal in the plurality of wires; and a tester 70 for determining that the circuit is in a continuity state when confirmed that a temperature in the opposite end of the wire having each attached terminal rises by a temperature equal to or more than a predetermined temperature by the infrared camera 50 when irradiating each terminal with the laser beam.SELECTED DRAWING: Figure 1

The present invention discloses a manual continuity test device and method for a panel cell segment crimping unit, comprising a test unit, a first transfer conduction unit, and a second transfer conduction unit; the first transfer conduction unit includes connection terminals that are connected one-to-one with the gold fingers of the signal input connector of the panel cell segment crimping unit; the second transfer conduction unit includes a first interface for electrically connecting to all probes of the crimping head assembly of the panel cell segment crimping unit and a second interface for electrically connecting to the test unit; during testing, one end of the test unit is connected to the second interface, and the other end is connected to a connection terminal. The present invention can perform a continuity test on the panel cell segment crimping unit before shipment, thereby ensuring the quality of the panel cell segment crimping unit.

The invention belongs to the technical field of automobile wire harness detection, and particularly relates to a low-voltage automobile wire harness conduction testing device and method.The low-voltage automobile wire harness conduction testing device comprises a bottom plate, a rotatable driving rod is installed at the top of the bottom plate, a rotating disc is installed at the top of the driving rod, and four discharging parts are arranged on the surface of the rotating disc in a circumferential array mode; the discharging part is used for installing a wire harness; the driving part drives the turntable to rotate, so that the discharging part sequentially passes through the detection part, and continuous automatic detection of the wire harness is realized. In the detection process, for the wiring harness with qualified conductivity, the electromagnet adsorbs the iron block and drives the supporting spring to push the qualified wiring harness to the storage area; and for the non-conducted wire harness, the extrusion block extrudes the limiting block, so that the support spring pushes the defective product to the defective product storage area. By means of the automatic detection and classification mode, the time and energy of manual operation are greatly reduced, a large number of wire harnesses can be processed in a short time, and the overall working efficiency of wire harness detection is remarkably improved.

The utility model discloses a nozzle atomization effect testing device, which comprises a supporting base and a testing shell arranged above the supporting base, one side of the testing shell is provided with a nozzle connection testing unit, the other side of the testing shell is provided with a negative pressure leading-out unit, and the negative pressure leading-out unit is connected with the nozzle connection testing unit. An L-shaped fixing frame is further installed on the supporting base and used for installing the high-speed camera shooting detection system. According to the nozzle atomization effect testing device provided by the utility model, the nozzle connection testing unit comprising a plurality of nozzle connection pipes is arranged, a plurality of nozzles to be tested are supported to be installed at the same time, or testing stations are rapidly switched by rotating the testing shell, so that rapid and continuous testing of batch nozzles is realized. The problem of low efficiency caused by the fact that only a single nozzle can be tested at a time and frequent shutdown, disassembly and replacement are needed in the prior art is solved, the method is particularly suitable for factory batch detection scenes of the nozzles, intermittent waiting time is effectively shortened, and the testing process is more coherent and efficient.

Systems and methods are provided for improved installation speed and reliability for mechanical cable splices to safely retrieve an armored electrical cable and attached electrical submersible pump (ESP) from a wellbore. The ESP can be brought to the surface for replacement or maintenance and reinstallation along with the same armored power cable. Embodiments of cable splice devices are provided to establish a strong splice having tensile strength required or exceeding that needed to retrieve the cable and ESP from the wellbore safely. A bypass load-bearing clamp may be used temporarily to further assist the tensile strength of the cable non-electrical splice if such tensile strength is deemed insufficient to safely overcome the required retrieval forces. Furthermore, the splice includes a short-circuit electrical connector that enables a quick electrical continuity test for determining if the cable is suitable for redeployment.

This invention relates to a blank board testing system and method for Mini LED substrates, used for conducting continuity tests on the Mini LED substrate circuitry before chip packaging. The blank board testing system includes a Mini LED substrate, a blank board testing module, and a result display unit. This invention employs a method where the control unit for controlling the test path and the Mini LED substrate circuitry under test are contactably connected to any corner pad in a matrix of pads via a substrate connector to perform continuity testing. A single, simple operation allows for one-click testing of an entire substrate, resulting in short testing time and high efficiency. Furthermore, this connection control method is adaptable to all products using fully connected matrix pads, saving on personnel training costs and fixture development costs. In addition, this invention uses a storage and analysis unit to record the continuity test results of multiple Mini LED substrate circuits for overall analysis and visualization, facilitating timely detection and improvement of process defects and saving unnecessary costs.

Systems and methods, as described herein, relate to a circuit tracer transmitter including an integrated continuity test. In addition, systems and methods, as described herein, relate to communicating data over a conductor that is being tested with a circuit tracer, load continuity tester, and / or an integrated circuit tracer with load continuity tester. In addition, systems and methods, as described herein, relate an integrated receptacle tester in circuit tracing hardware through circuitry and / or logic.

1. The name of the design product: continuity tester. 2. The use of the design product: for line continuity test. 3. The design points of the design product: in shape. 4. The picture or photo that best shows the design points: perspective view.

The invention relates to the technical field of electrical testing, in particular to an energy distribution unit assembly conduction testing system and method, and the system comprises an automatic testing cabinet which comprises a switching power supply, a programmable power supply, a universal meter, a tester and a switching circuit board assembly, and the switching power supply is connected with an energy distribution unit assembly relay control interface; the programmable power supply, the universal meter and the tester are connected with the switching circuit board assembly, the switching circuit board assembly is connected with the energy distribution unit assembly, different test channels can be switched, and the universal meter and the tester are connected to the corresponding channels; the system further comprises a collection device and an upper computer, the upper computer is connected with the collection device and the upper computer, the collection device collects function test demand data, the upper computer generates a control instruction according to the function test demand data, automatically switches a test channel, conducts a conduction test on the energy distribution unit assembly through the channel, collects test data through a universal meter and a tester, and finally generates a conduction test result according to the data. Therefore, the problems of low automation degree, low testing efficiency, poor safety and the like in the testing process are solved.

According to the electronic cover testing device and the testing assembly line, grounding resistance testing and function testing are carried out on a to-be-tested electronic cover through a grounding conduction testing module and a function testing module respectively, and a control module can control a connecting plug to be connected to a grounding testing port of the to-be-tested electronic cover in an inserted mode. The electronic cover to be tested is communicated with the grounding conduction tester so as to start a grounding conduction test, and the control module controls the connecting plug to be separated from the grounding test port after the grounding conduction test is finished, so that automatic plugging and disconnection of the connecting plug are realized, manual plugging is optimized into electric plugging, and the test efficiency is improved. The problem that the plugging position and the force are not uniform due to manual plugging in the prior art is avoided, the plugging position and the force of the plug connector are kept the same, the influence of different plugging positions and forces on the test resistance value is reduced, and the possibility of misjudgment is reduced.

The utility model relates to the technical field of automation equipment, and discloses automatic test equipment, which comprises a first test mechanism and a second test mechanism, and is characterized in that the first test mechanism comprises a first carrying unit and a first test unit positioned on an operation path of the first carrying unit; the second testing mechanism comprises a second carrying unit and a second testing unit located on the operation path of the second carrying unit, and the first testing unit and the second testing unit are used for testing different items respectively; a transshipment mechanism is arranged between the first carrying unit and the second carrying unit and comprises a first transshipment unit and a second transshipment unit, and the first transshipment unit and the second transshipment unit are used for transshipping products alternately. The utility model has the following technical effects: the first transshipment unit and the second transshipment unit are used for alternately transshipping products, and the continuous carrying operation between the first carrying unit and the second carrying unit can be realized, so that the continuous test of the products is realized, and the production efficiency of the products is favorably improved.