Abstract: A method for notifying a service life of a filter includes steps of providing a filter for filtering an air pollution source; providing a gas detection device for detecting the air pollution source and outputting the detection data of the air pollution source; providing a connection device for receiving, computing and comparing the detection data of the air pollution source detected by the gas detection device, so as to display a reducing rate of filtering efficiency for the filter; and when the reducing rate of filtering efficiency for the filter reaches a preset alert value, the connection device sends out a notification alert of replacing the filter.

Abstract: A gas detection device is disclosed and includes a housing, an external connector, a power converter, a control processing board, a networking module and a particle detection module. The external connector, the power converter, the control processing board, the networking module and the particle detection module are accommodated in the housing to form a thin and portable device that is easy to carry. Due to the external connector is plug-and-play, when it is plugged in an indoor power supply, the particle detection module activates to detect the suspended particles, and the temperature and humidity sensor activates to detect the temperature and humidity. The detected data information is transmitted to a cloud processing device through the IOT communication by the networking module. An air quality information is immediately transmitted to an indoor air pollution prevention system, and a clean and safe breathing gas state formed in the indoor space is achieved.

Abstract: A breast pump includes a main body, a breast milk suctioning shield, and one or more air pumps. The breast milk suctioning shield is assembled in an accommodation space of the main body and detachably connected to the main body. A front end of the breast milk suctioning shield has a breast shielding portion, and a nipple passage extends from a rear end of a center portion of the breast shielding portion. One or more deformable members and a non-deformable supporting member are assembled with an annular connection portion located between the breast shielding portion and the nipple passage. The air pump has an intake port and an exhaust port. The intake port is controlled by a first valve controller to suction the nipple passage and generate a negative pressure, and the exhaust port is controlled by a second valve controller to inflate or deflate the deformable member.

Abstract: A smart cloth includes a cloth body, a control body, actuation air-permeable components, temperature sensing components, and a health-monitoring device. The health-monitoring device includes a bio-sensing module, a blood glucose sensor, a blood pressure measurement module, and a gas bag. The temperature information of the wearer is detected by the temperature sensing components and outputted to the microprocessor of the control body, so that the microprocessor controls the actuation air-permeable components to perform the gas-guiding operation to adjust an apparent temperature of the wearer for providing wearing comfortableness. The bio-sensing module, the blood glucose sensing module, and the blood pressure measurement module detect and provide the detection data information for the wearer anytime and in real-time to provide health-related information to the wearer.

Abstract: A fluid pump module includes a heat dissipation board assembly, a fixing frame body, fluid pumps, a control board and a conveying pipe is provided. The fixing frame body is fixed at one side of the heat dissipation board assembly, so as to form two accommodating spaces between the heat dissipation board assembly and the fixing frame body. Two fluid pumps are respectively disposed in the two accommodating spaces. The control board is disposed at another side of the heat dissipation board assembly. The conveying pipe connects the two fluid pumps in series so as to form a series connection therebetween. The control board controls operations of the fluid pumps, and the heat dissipation board assembly dissipates heats produced by a module formed by the two fluid pumps.

Abstract: A system-in-package chip of printer driver system applicable in a printer includes a first chip, a second chip, and a third chip. The first chip, the second chip, and the third chip are arranged in a common package. The first chip and the second chip are arranged side-by-side on a carrier in the common package. The third chip is arranged on a top portion of the first chip in the common package. A wire carrier structure is formed on the top portion of the first chip before the third chip is disposed on the first chip.

Abstract: A caster device for a pipe leg includes a caster unit, a mounting unit, and a braking unit. The caster unit includes a wheel seat subunit, a caster subunit that is rotatably connected to a bottom end of the wheel seat subunit, and a protection subunit that is located between the wheel seat subunit and the caster subunit. The mounting unit is mounted to the wheel seat subunit and is adapted to be mounted to the pipe leg. The braking unit extends through the protection subunit and the wheel seat subunit into the mounting unit, and is movable in an up-down direction between a braking position, in which the braking unit projects out of the protection subunit and is in contact with the caster subunit so that the caster subunit is refrained from rotating, and an initial position, in which the braking unit is spaced apart from the caster subunit.

Abstract: A caster device for a pipe leg includes a caster unit, a mounting unit, and a braking unit. The caster unit includes a wheel seat subunit, a caster subunit that is rotatably connected to a bottom end of the wheel seat subunit, and a protection subunit that is located between the wheel seat subunit and the caster subunit. The mounting unit is mounted to the wheel seat subunit and is adapted to be mounted to the pipe leg. The braking unit extends through the protection subunit and the wheel seat subunit into the mounting unit, and is movable in an up-down direction between a braking position, in which the braking unit projects out of the protection subunit and is in contact with the caster subunit so that the caster subunit is refrained from rotating, and an initial position, in which the braking unit is spaced apart from the caster subunit.

Abstract: A driving circuit of fluid pump module includes a microprocessor, a primary boost circuit, and a pump driving circuit is provided. The microprocessor receives an output signal with a large-width variable rectangular waveform, a driving voltage, a first detection current-feedback signal, and a second detection current-feedback signal. The primary boost circuit converts an inputted driving voltage into a direct current with a certain high voltage. The pump driving circuit receives the certain high voltage and is connected with the microprocessor to receive the voltage control signal and the pulse-width modulation (PWM) signal. The secondary boost circuit receives the certain high voltage to boost the certain high voltage into a working voltage for the fluid pump. The operation driving circuit receives the working voltage and provides the pulse-width modulation signal for the fluid pump through the second detection current-feedback signal.

Abstract: An indoor pollution prevention system includes a plurality of gas detection modules, one or more intelligent control-driving processing devices, one or more gas-exchange processing devices, one or more intake passages, and one or more discharge passages. The intake passage is connected to the gas-exchange processing device and has an intake opening for guiding the outdoor gas into an indoor space. The discharge passage is connected to the gas-exchange processing device and has a discharge opening for discharging the air pollution source to the outdoor space. The intelligent control-driving processing device controls the gas-exchange processing device to be enabled under a surveillance condition of the gas detection module, so that the air pollution source passes through the discharge passage, filtered and purified by a cleaning and filtration assembly, and is discharged to the outdoor space, thereby allowing the indoor space to have a clean air.

Abstract: An air purification device includes a device main body, a purification filter and a gas detection module. The device main body includes a gas-inlet opening and a gas-outlet opening. The purification filter is disposed in the device main body and includes at least one activated carbon layer and at least one zeolite layer stacked on each other, wherein the activated carbon layer filters and absorbs suspended particles contained in an air introduced through the gas-inlet opening, and the zeolite layer includes porous structures with hydrophobic property for controlling and absorbing volatile organic compounds contained in the air introduced through the gas-inlet opening, thereby a purified gas is generated from the air and is discharged through the gas-outlet opening. The gas detection module is disposed in the device main body for detecting and obtaining a gas quality data of the air passing through the gas-inlet opening and outputting the gas quality data.

Abstract: A filtration and purification device includes a main body and one or more filtration passage layer. A plurality of purification chambers is disposed in the filtration passage layer. Each of the purification chambers has a flow-guiding unit, a filtration unit, a gas sensor, and an outlet valve. The flow-guiding unit introduces the gas into the purification chamber, the filtration unit filters the gas, and the gas sensor determines that if the filtered gas reaches a threshold for breathing so as to determine to open the outlet valve to discharge the gas out of the filtration and purification device.

Abstract: A gas detection and purification device is provided for being carried by a user and includes a body, a purification module, a gas-guiding unit, and a gas detection module. The gas detection module detects a gas nearby the user to obtain a gas detection data, and the gas detection module controls the operation of the gas-guiding unit based on the gas detection data, guides the gas into the body, guides the gas to pass through the purification module for being filtered and purified to become a purified gas, and discharges the purified gas to a region nearby the user.

Abstract: A printer driving system includes a printer driving control circuit arranged on an ink cassette carrying device of a printer, an inkjet print head cassette arranged on a supporting base of the ink cassette carrying device, and a connection port. The printer driving control circuit includes a driving signal coding chip connected to a bus wire. The inkjet print head cassette includes a driving signal decoding chip and an inkjet print head chip. The driving signal decoding chip is connected to the driving signal coding chip through the bus wire. The connection port is arranged on the bus wire connected between the driving signal coding chip and the driving signal decoding chip. The inkjet print head cassette is detachably arranged on the supporting base of the ink cassette carrying device of the printer through the connection port.

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 method of filtering indoor air pollution for filtering air pollutant in an indoor space is disclosed. A plurality of gas processing devices is provided for detecting and filtering air pollutant, and transmitting device inner gas detection data. A connection device is provided for receiving and transmitting the device inner gas detection data to a cloud processing device. The cloud processing device intelligently compares and selects to drive a closest gas processing device to filter the air pollutant and drive the gas processing devices to determine a convection path and generate at least one airflow. The airflow accelerates the movement of the air pollutant along the convection path to move the air pollutant towards the closest processing device adjacent to the air pollutant for filtering, so that the air pollutant in the indoor space can be filtered rapidly to obtain a clean, safe and breathable air condition.

Abstract: For a caster with a circularly positioning structure, stepping on the pedal can drive the driving rod and the driving piece to rotate, so that the positioning pin of the driving piece cyclically proceeds the first positioning point, the second positioning point and the path point of the positioning member, thereby driving the cam unit to push against the shaft to let the positioning piece and the orienting hole to be engaged or disengaged from each other, and let the locking end of the locking member to be engaged in or disengaged from the locking groove. In this way, the caster can selectively be locked to stop rotation, and be released to freely rotate.