Abstract: A voltage measurement device with an expanded applicability is provided. The voltage measurement device includes a housing, a magnetic member, a first probe assembly, and a second probe assembly. By setting the magnetic member within the housing, the voltage measurement device can be magnetically attracted to any position on the busbar of the device to be measured. Additionally, the second probe assembly is movable, enabling voltage measurements on busbars of different thicknesses and devices of different sizes, expanding the applicability of the voltage measurement device.

Abstract: A current detection device is provided for detecting whether an interface or a port of a server, a power shelf, or a rack busbar has current leakage, including a first connector, a second connector, a connecting sheet group, and a current detector. The first connector and the second connector are different and configured to be connected to different interfaces or ports of the server, the power shelf, or the rack busbar. The connecting sheet group is connected between the first connector and the second connector, and configured to conduct a current of the first connector and the second connector. The current detector is arranged between the first connector and the second connector, the connecting sheet group pass through the current detector, the current detector is configured to detect the current conducted by the connecting sheet group.

Abstract: A power supply switching system includes a switch controlling apparatus, at least two switch apparatuses, alternating current (AC) powers, and a power shelf. The power shelf includes at least two AC inputting ends. Each of the at least two switch apparatuses is electrically connected between one of the AC inputting ends and the AC powers. A number of the AC powers is less than a number of the at least two AC inputting ends. The switch controlling apparatus is electrically connected with each of the at least two switch apparatuses, and controls the at least two switch apparatuses to turn on or turn off. The power supply switching system saves a number of the AC powers while executing an ATS test, thus an efficiency of the power shelf is improved. A switch apparatus is also provided.

Abstract: A test jig includes a first port, a second port, a measurement conductor, a current transformer, and a current output port. A first end of the first port is electrically connected to a first device. A first end of the second port is electrically connected to a second device. Two ends of the measurement conductor are connected with a second end of the first port and a second end of the second port respectively. The current transformer is electrically connected with the measurement conductor in parallel. The current output port is electrically connected to an output end of the current transformer and is configured to output a to-be-tested current. A test efficiency of the test jig is improved.

Abstract: A confluence fixture is provided used for converging and integrating wires, including a substrate, two side plates, a first conductive member, a second conductive member, and at least one third conductive member. The substrate includes an input side and an output side. The two side plates are connected to the substrate and enclose a first space with the substrate. The first conductive member, the second conductive member, and the third conductive member are arranged in the first space at intervals, and the first conductive member, the second conductive member, and the third conductive member are each provided with a plurality of first connectors on the input side and a plurality of second connectors on the output side, and the first connectors are electrically connected to the second connectors.

Abstract: The present application discloses an electrical testing device, an electrical testing method and a storage medium. The electrical testing device includes a power supply, a capacitive load device used to provide a capacitive load for the power supply, and a testing device. The testing device is used to test electrical information of the power supply according to the capacitive load. The capacitive load device comprises a capacitor, a switch and a microcontroller. The capacitor is connected to the testing device and used to provide the capacitive load for the power supply by the testing device. The switch is connected to the capacitor and used to control connection and disconnection between the capacitor and the power supply. The microcontroller is connected to the switch and is used to control the connection and disconnection of the switch according to a level signal received by the microcontroller.

Abstract: A signal switch circuit is connected between an oscilloscope and N signal input sources. The signal switch circuit includes N input terminals, an output terminal, and N-1 switch units. The N input terminals correspond to the N signal input sources respectively in one-to-one relationship. The output terminal is connected with a channel of the oscilloscope. Each of the N-1 switch units comprises a normal close terminal, a common terminal, a normal open terminal, and a control terminal. The signal switch circuit acquires an input signal from one of the signal input sources to output to the oscilloscope through the output terminal based on the control signal received by each of the control terminal of each of the N-1 switch units. A test efficiency is improved and a test cost is reduced. A signal switch jig is also provided.

Abstract: An apparatus for performing a fast common mode recharge is disclosed. The apparatus includes a transmitter circuit configured to transmit a differential signal on a communication bus that includes a true signal line and a complement signal line and a measurement circuit configured to measure respective voltage levels of the true signal line and the complement signal line. The apparatus further includes a control circuit configured to, in response to exiting a sleep mode, select one of a plurality of operation modes using the respective voltage levels of the true signal line and the complement signal line. The transmitter circuit is further configured to adjust the respective voltage levels of the true signal line and the complement signal line based on a selected operation mode of the plurality of operation modes.

Abstract: A nasal-plug filter device including a device body, a filter, a first actuator, a second actuator, and a gas sensor is provided. The device body has a ventilating channel, and the ventilating channel has an inlet end and an outlet end. The filter is disposed at the outlet end. The first actuator is disposed at the inlet end for being driven to transmit gas outside the device body into the device body. The second actuator is stacked on and bonded to the first actuator, and the second actuator is driven to transmit the gas transmitted by the first actuator to the filter to be filtered and purified. The gas sensor is disposed at the outlet end for detecting a gas quality of the gas at the outlet end. A connection element may be provided for connecting two nasal-plug filter devices with each other.

Abstract: A power supply switching system includes a switch controlling apparatus, at least two switch apparatuses, alternating current (AC) powers, and a power shelf. The power shelf includes at least two AC inputting ends. Each of the at least two switch apparatuses is electrically connected between one of the AC inputting ends and the AC powers. A number of the AC powers is less than a number of the at least two AC inputting ends. The switch controlling apparatus is electrically connected with each of the at least two switch apparatuses, and controls the at least two switch apparatuses to turn on or turn off. The power supply switching system saves a number of the AC powers while executing an ATS test, thus an efficiency of the power shelf is improved. A switch apparatus is also provided.

Abstract: A power supply detection apparatus includes a casing, a power shelf connector, a copper bar, and a transformer. The power shelf connector is electrically connected to the power shelf. The power shelf provides a power supply to a load through the power supply detection apparatus. The copper bar is fixedly connected to the power shelf connector. The cooper bar includes a first bent component and a second bent component. The first bent component and the second component are bent relative to each other and form a cavity. The transformer extends through the cavity. The transformer detects an output current and/or an output voltage of the power shelf. A cabinet is also provided, which can conveniently and quickly detect the current and the voltage outputted by the power shelf.

Abstract: A voltage measurement device with an expanded applicability is provided. The voltage measurement device includes a housing, a magnetic member, a first probe assembly, and a second probe assembly. By setting the magnetic member within the housing, the voltage measurement device can be magnetically attracted to any position on the busbar of the device to be measured. Additionally, the second probe assembly is movable, enabling voltage measurements on busbars of different thicknesses and devices of different sizes, expanding the applicability of the voltage measurement device.

Abstract: An apparatus for performing a fast common mode recharge is disclosed. The apparatus includes a transmitter circuit configured to transmit a differential signal on a communication bus that includes a true signal line and a complement signal line and a measurement circuit configured to measure respective voltage levels of the true signal line and the complement signal line. The apparatus further includes a control circuit configured to, in response to exiting a sleep mode, select one of a plurality of operation modes using the respective voltage levels of the true signal line and the complement signal line. The transmitter circuit is further configured to adjust the respective voltage levels of the true signal line and the complement signal line based on a selected operation mode of the plurality of operation modes.

Abstract: A miniature gas detection and purification device is disclosed for a user to carry with him, and includes a main body, a purification module, a gas guider and a gas detection module. The gas detection module detects the gas in the environment surrounding the user to obtain a gas detection datum, and controls the gas guider to be operated according to the gas detection datum, so that gas is inhaled into the main body and flows through the purification module for filtration and purification, and the gas purified is finally guided to an area nearby the user.

Abstract: A wearable device for measuring a cardiovascular system of a user includes an attachment component, a blood pressure measurement module, and a sensor configured to detect an existence of a limb part of the user. The attachment component is for attaching the wearable device to the limb part of the user and includes a connecting mechanism. A condition of the connecting mechanism can be used to determine whether the attachment component is in a connected configuration or in a disconnected configuration. The blood pressure measurement module has an expander, an actuator, and a blood pressure measurement sensor. The expander can be disposed on the limb part and can contact against the user. The expander can be controlled by the actuator to be inflated, by which the blood pressure measurement sensor can measure blood pressure in the cardiovascular system of the user.

Abstract: A fluid molecule system handled by artificial intelligence internet of things is provided. In the system, a requiring instruction of the digital data of the fluid molecule is transmitted to the artificial intelligence internet of things handling device by the user demand platform. By using self deep-learning analysis of data computing and algorithms of the AI device, an updated digital data is generated. The updated digital data is fed back to the micro pumps of the fluid detection device through the network. Accordingly, the actuating actions of the plurality of micro pumps and the detecting actions of the plurality of sensors can be generated. Hence, the actuation and the detection of the fluid molecule can be achieved more effectively.

Abstract: A micro detecting device includes a controller and a mobile device. The controller has a first wireless communication module. The mobile vehicle includes a vehicle body; a processor, accommodated in the vehicle body; a second wireless communication module, accommodated in the vehicle body and electrically connected to the processor; a power actuator, disposed on the vehicle body and electrically connected to the processor for driving the vehicle body; a recording unit, disposed on the vehicle body and electrically connected to the processor and the second wireless communication module, and the recording unit is configured to generate a recorded signal; and a fluid detecting unit, disposed on the vehicle body and electrically connected to the processor and the second wireless communication module, and the fluid detecting unit is configured to generate a detection signal.

Abstract: A method of preventing and handling indoor air pollution is disclosed and includes: providing a portable gas detection device to monitor the air quality in the indoor environment; disposing 1˜75 gas exchangers within the indoor space to inhale outdoor gas, purify and filter the inhaled gas, and introduce the inhaled gas into the indoor space; and remotely controlling the gas exchangers to enable filtration, purification and gas exchange procedure by the portable gas detection device when the portable gas detection device detects an air pollutant in the indoor space, to reduce the air pollutant in the indoor space under a safe detection value within 1 minute, and form a breathable gas, and the air pollutant in the gas in the indoor space is exchanged and exported out to outdoor environment, the gas exchangers have an exported airflow rate of 200˜1600 CADR, and the indoor space has a volume of 16.5˜247.5 m3.

Abstract: A remote control system for gas detection and purification is disclosed and includes a remote control device, a gas detection module and a gas purification device. The remote control device includes a gas inlet and a gas outlet. The gas detection module is disposed in the remote control device and in communication with the gas outlet to detect the gas located in an indoor space. The gas detection module provides and outputs a gas detection datum, and the remote control device transmits an operation command via wireless transmission. The gas purification device is disposed in the indoor space and receives the operating instruction transmitted from the remote control device to be operated. When the gas purification device is under the activated state, the gas in the indoor space is purified, and the purification operation mode of the gas purification device is adjusted according to the first gas detection datum.

Abstract: A blood pressure detection device manufactured by a semiconductor process includes a substrate, a microelectromechanical element, a gas-pressure-sensing element, a driving-chip element, an encapsulation layer and a valve layer. The substrate includes inlet apertures. The microelectromechanical element and the gas-pressure-sensing element are stacked and integrally formed on the substrate. The encapsulation layer is encapsulated and positioned on the substrate. A flowing-channel space is formed above the microelectromechanical element and the gas-pressure-sensing element. The encapsulation layer includes an outlet aperture in communication with an airbag. The driving-chip element controls the microelectromechanical element, the gas-pressure-sensing element and valve units to transport gas.