Abstract: A method for controlling total power consumption of a system by setting maximum rotation speed of a fan is provided, which is applied to a system at least having a heat-generating element, a fan, and a controller. The method includes: setting a controller with a maximum rotation speed limit value of the fan; reading a rotation speed of the fan by the controller; and determining, by the controller, whether the rotation speed of the fan reaches the maximum rotation speed limit value, if yes, a pulse-width modulation value of the fan is set by the controller as a pulse-width modulation value upper limit corresponding to the maximum rotation speed limit value; therefore, a feedback is provided for the fan through the controller to control total power consumption of the system.

Abstract: A manifold assembly includes a liquid inlet pipe, a plurality of transparent windows and a liquid return pipe. The liquid inlet pipe has a first accommodating space, a first liquid inlet, a plurality of first liquid outlets and a plurality of openings. The first accommodating space is configured to accommodate a cooling liquid, and is in fluid communication with the first liquid inlet, the first liquid outlets and the openings. The transparent windows cover the openings. The cooling liquid is visible from outside via the transparent windows. The liquid return pipe has a second accommodating space, a plurality of second liquid inlets and a second liquid outlet. The second accommodating space is configured to accommodate a cooling liquid, and is in fluid communication with the second liquid inlets and the second liquid outlet.

Abstract: A method for controlling total power consumption of system by setting controller parameters based on phases is provided, which is applied to a system at least including heat-generating element, fan, and controller. The method includes: setting the controller with heating control parameter and cooling control parameter; reading, by the controller, current temperature and temperature at a previous moment of the heat-generating element; and comparing, by the controller, current temperature with temperature at the previous moment to determine whether the heat-generating element is in heating phase or in cooling phase; in case of the heating phase, the controller provides feedback control to the fan based on the heating control parameter; in case of the cooling phase, the controller provides feedback control to the fan based on the cooling control parameter; thereby controlling the total power consumption of the system.

Abstract: A method for controlling fan based on temperature variation trend is provided, controlling increase or decrease in fan rotation speed through controller, ensuring temperature of heating element. The method includes: reading current temperature value, temperature value of previous moment, and temperature value of moment immediately prior to the previous moment of the heating element; reading PWM value at previous moment of the fan; determining whether there is obvious temperature trend based on the current temperature value, the temperature value of previous moment, and the temperature value of moment immediately prior to the previous moment, when there is obvious temperature trend, calculating PWM difference value based on the current temperature value, otherwise, setting PWM difference value to be zero; calculating current PWM value based on PWM value at previous moment and PWM difference value; and controlling the rotation speed of the fan based on the current PWM value.

Abstract: A method for controlling total power consumption of system by setting controller parameters based on temperature difference is provided, which is applied to a system at least including heat-generating element, fan, and controller, the heat-generating element having setpoint temperature Tsp. The method includes: setting the controller with a first control parameter and a second control parameter; reading a current temperature T(i) of the heat-generating element by the controller; and comparing the current temperature T(i) and the setpoint temperature Tsp by the controller to determine whether a feedback control is provided to the fan by the controller based on the first control parameter or the second control parameter such that a total power consumption of the system is controlled.

Abstract: A method for controlling total power consumption of system by setting controller parameters based on phases is provided, which is applied to a system at least including heat-generating element, fan, and controller. The method includes: setting the controller with heating control parameter and cooling control parameter; reading, by the controller, current temperature and temperature at a previous moment of the heat-generating element; and comparing, by the controller, current temperature with temperature at the previous moment to determine whether the heat-generating element is in heating phase or in cooling phase; in case of the heating phase, the controller provides feedback control to the fan based on the heating control parameter; in case of the cooling phase, the controller provides feedback control to the fan based on the cooling control parameter; thereby controlling the total power consumption of the system.

Abstract: The disclosure presents a mining converged communication system. The system includes a first converged communication device and a plurality of service devices. The first converged communication device is configured to receive a first data packet from a first service device that initiates a service request in the plurality of service devices, determine a first target service device that receives the service request in the plurality of service devices, based on the first data packet, and send the first data packet to the first target service device. The first service device in the plurality of service devices includes any service device set on or under a mine, and the first target service device includes at least one service device set on and/or under the mine.

Abstract: An embedded circuit board, made without gas bubbles or significant internal gaps according to a manufacturing method which is provided, includes an inner layer assembly, an embedded element, and first and second insulating elements. The inner layer assembly comprises a first main portion with opposing first and second surfaces and a first groove not extending to the second surface is positioned at the first surface. A first opening penetrates the second surface, and the first opening and the first groove are connected. The first groove carries electronic elements for embedment. The first insulating element covers the first surface and a surface of the embedded element away from the second surface. The second insulating element covers the second surface and extends into the first opening to be in contact with the embedded element.

Abstract: The present disclosure describes methods and systems for analyzing mass spectrometry data. The methods and systems can comprise an operation of contacting a plurality of biomolecules with a plurality of surfaces. The methods and systems can further comprise performing mass spectrometry on the plurality of biomolecules, or a portion or derivative thereof. The methods and systems can further comprise classifying a sample based on the mass spectra. The methods and systems of the disclosure may be used for identifying evidence of operational errors in mass spectrometry datasets.

Abstract: A mining mobile communication system includes a first subsystem configured for communication in a licensed frequency band.

Abstract: The disclosure provides a battery pack management system, which includes a plurality of battery packs for supplying a power to a load, a plurality of battery interfaces, a plurality of switching units, a control assembly and a plurality of communication units. Each of the battery packs is electrically connected in parallel by the battery interfaces. The switching units are electrically connected to the battery interfaces and the battery packs through the battery interfaces are electrically connected to the switching units. The control assembly detects a voltage level of each battery pack and determines the battery packs having a first highest priority level through the voltage level detected. The communication unit is electrically connected to the battery packs and the load, and the switching units is closed by the control assembly through the information for supplying the power to the load by the battery packs having the highest priority level.

Abstract: A circuit board utilizing thermocouples for improved heat dissipation performance from circuit boards includes a heat dissipation module which itself includes a first circuit substrate, a thermocouple, and a second circuit substrate. The first circuit substrate includes a first wiring layer comprising first and second wiring portions. The thermocouple includes a P-type and an N-type semiconductor. The second circuit substrate includes a second wiring layer with a third wiring portion. Conductive members electrically connect the P-type semiconductor with the first wiring portion, connect the P-type semiconductor with the third wiring portion, connect the N-type semiconductor with the second wiring portion, and connect the N-type semiconductor with the third wiring portion, to transfer away heat generated by working elements mounted on the board.

Abstract: A flexible circuit board includes two first wiring boards, a first adhesive, and a first conductive structure. Each of the two first wiring boards includes a first bent portion, and two first bent portions of the two wiring boards is connected to each other. The first adhesive layer is sandwiched between the two first bent portions. The first conductive structure penetrates the two first bent portions and the first adhesive layer and electrically connects the two first bent portions.

Abstract: The present application provides power supply control circuits, power tools, and power tool systems. The power supply control circuit includes: a main control chip module connected to battery packs; control circuits connected in parallel and connected to the main control chip module and provided on a power supply path from the battery pack to a power tool to control connection and disconnection of the battery packs; and a voltage detection circuit connected to the power supply path and the main control chip module. The main control chip module controls the connection and disconnection of the battery packs through the control circuit based on feedback from the voltage detection circuit, and when the voltage detection circuit detects that the voltage of a currently connected battery pack is less than a predetermined value, controls the currently connected battery pack to be disconnected and select the other battery pack to be connected.

Abstract: The present disclosure belongs to the field of pharmaceuticals. Disclosed is a use of bulleyaconitine A in treating pruritus or a secondary lesion thereof, especially pruritus induced by histamine and/or chloroquine.

Abstract: The disclosure provides a bus module, a cascade module, and a bus module control method. The bus module includes an input unit, an output unit, a switching unit, and a control unit. The input unit includes at least one input branch which includes an input interface electrically connected to a peripheral power supply to obtain power output by the peripheral power source. The output unit is provided with an output branch, and the output branch is provided with an output interface to output power obtained by the input unit. One end of the switching unit is connected to the input unit, and the other end of the switching unit is connected to the output unit. And the control unit controls the switching unit to work to control the on-off between the input branch and the output branch.

Abstract: The present disclosure provides a method and system for automatically monitoring and identifying water seepage of a segment joint of a subway shield tunnel. The method includes: 1): grinding a water-sensitive material and then mixing with a waterproof material to form a color-developing agent; 2): coating the color-developing agent on two sides extending from a construction joint and/or a deformation joint of a tunnel lining as a center line, to form a color-developing layer; and 3) obtaining a color development feature of the color-developing layer, and identifying water seepage based on the color development feature. According to the present disclosure, a water seepage amount can be determined based on the color development feature of the color-developing layer around the construction joint and/or the deformation joint of the tunnel lining, which facilitates monitoring of the water seepage amount around the construction joint and/or the deformation joint.

Abstract: The disclosure provides a power tool, a detection circuit and a detection method of a load state thereof. The detection circuit of the power tool includes: a main control unit, a sampling resistor, a voltage sampling unit and an alarm display unit. The sampling resistor is arranged on a driving loop of a motor. The voltage sampling unit is used to sample a voltage across the sampling resistor. The alarm display unit is connected with the main control unit. The main control unit is configured to control the alarm display unit to execute a preset display state according to a voltage signal across the sampling resistor sampled by the voltage sampling unit.

Abstract: The disclosure provides a communication and interaction method and a communication and interaction system using the communication interaction method. The communication and interaction method for communicating and interacting between an electric unit and a power supply unit, including: providing a communication module between the power supply unit and the electric unit; the power supply unit sends a first identification information to the electric unit through the communication module; the electric unit parses the first identification information through the communication module; and the communication module, on the basis of its own communication structure, matches a communication mode and a communication protocol which are applicable to the power supply unit and the electric unit at the same time, such that the communication between the electric unit and the power supply unit is established.