Abstract: A tire pressure monitoring system and tire pressure detector setting apparatus for tractor-trailer are disclosed. The tractor-trailer has a tractor and a trailer having a plurality of wheels, respectively. The tire pressure monitoring system includes a plurality of tire pressure detectors and a monitoring device. The tire pressure detectors are disposed on each of the wheels, detecting the tire pressure status of each wheel and generating a tire pressure information. Each tire pressure detector has a wheel code corresponding to one of the wheels, respectively. The monitoring device is disposed on the tractor for receiving the tire pressure information and the wheel codes of the corresponding tire pressure detector. When the tire pressure information and the wheel code are transmitted to the monitoring device, the monitoring device accurately monitors the tire pressure status of each wheel.

Abstract: A multi-frequency processing device of a tire pressure detector and processing method thereof are provided. The device includes an oscillator providing an oscillation signal as a basis frequency; a microcontroller storing a first and a second frequency information; a phase lock module receiving the oscillation signal and generating a first and a second target frequency according to the first frequency information and the second frequency information; and a transmission module receiving a data from the microcontroller in a first mode, and generating a signal frame formed of the first and second target frequency carrying the data, so as to transmit the signal frame. Therefore, the transmission frequency does not have to be set in advance, improving the convenience of usage.

Abstract: A multi-frequency processing device of a tire pressure detector and processing method thereof are provided. The device includes an oscillator providing an oscillation signal as a basis frequency; a microcontroller storing a first and a second frequency information; a phase lock module receiving the oscillation signal and generating a first and a second target frequency according to the first frequency information and the second frequency information; and a transmission module receiving a data from the microcontroller in a first mode, and generating a signal frame formed of the first and second target frequency carrying the data, so as to transmit the signal frame. Therefore, the transmission frequency does not have to be set in advance, improving the convenience of usage.

Abstract: A tire pressure monitoring system and tire pressure detector setting apparatus for tractor-trailer are disclosed. The tractor-trailer has a tractor and a trailer having a plurality of wheels, respectively. The tire pressure monitoring system includes a plurality of tire pressure detectors and a monitoring device. The tire pressure detectors are disposed on each of the wheels, detecting the tire pressure status of each wheel and generating a tire pressure information. Each tire pressure detector has a wheel code corresponding to one of the wheels, respectively. The monitoring device is disposed on the tractor for receiving the tire pressure information and the wheel codes of the corresponding tire pressure detector. When the tire pressure information and the wheel code are transmitted to the monitoring device, the monitoring device accurately monitors the tire pressure status of each wheel.

Abstract: A spherical tire pressure detection device includes a tire pressure detector and a ball body. The tire pressure detector has a casing and a tire pressure detection member disposed in the casing. The tire pressure detection member detects the tire pressure in the tire. The casing is removably housed in the ball body, facilitating the replacement of the tire pressure detector.

Abstract: An antenna matching device for a dual-frequency tire pressure detector includes: a microcontroller having a control pin; a dual-frequency signal unit controlled by the microcontroller to which one of two different frequency signals to generate; and a matching unit having an input end, two external pins, and an output end, the input end being electrically connected to the dual-frequency signal unit to receive the frequency signals from the dual-frequency signal unit, the external pins being electrically connected to two ends of a diode, respectively, with the control pin electrically connected to one of the external pins, and the output end being electrically connected to an antenna, wherein the matching unit provides two impedances between the input end and the output end so that the microcontroller controls an operating state of the diode according to whether the control pin is grounded, thereby switching between the impedances of the matching unit.

Abstract: An antenna matching device for a dual-frequency tire pressure detector includes: a microcontroller having a control pin; a dual-frequency signal unit controlled by the microcontroller to which one of two different frequency signals to generate; and a matching unit having an input end, two external pins, and an output end, the input end being electrically connected to the dual-frequency signal unit to receive the frequency signals from the dual-frequency signal unit, the external pins being electrically connected to two ends of a diode, respectively, with the control pin electrically connected to one of the external pins, and the output end being electrically connected to an antenna, wherein the matching unit provides two impedances between the input end and the output end so that the microcontroller controls an operating state of the diode according to whether the control pin is grounded, thereby switching between the impedances of the matching unit.

Abstract: A method for burning data into a tire pressure monitoring device includes the steps of preparing a burning tool and a tire pressure monitoring device and connecting them electrically with a single wire to enable data or signal transmission between the burning tool and the tire pressure monitoring device, thereby achieving single-wire data burning and two-way communication between the burning tool and the tire pressure monitoring device.

Abstract: A TPMS (tire pressure monitoring system) sensor setting method is disclosed and performed by: using a setting tool to input a location code into the TPMS sensor to be set so that the TPMS sensor can feed the location code and its ID to the on-vehicle main unit for enabling the on-vehicle main unit to establish the relationship between the ID of the TPMS sensor and its location.

Abstract: The tire pressure sensor module contains a casing, a nozzle, a sleeve element, a fastening element, and a two-way tire information transmission and sensory system inside the casing. The casing has a trough and an air opening. The nozzle contains a nozzle mouth and a nozzle base. The nozzle base is joined to the casing, and the mouth is threaded through the sleeve element. The nozzle and the sleeve element are secured to the casing by the fastening element through the trough. The two-way tire information transmission and sensory system contains a battery, a micro-controller circuit, a low-power-consumption Bluetooth wireless transceiver circuit, a boosting/regulating circuit, a pressure sensor, an operation amplifier, a gravity sensor, a temperature sensor, and an antenna.

Abstract: A TPMS (tire pressure monitoring system) sensor setting method is disclosed and performed by: using a setting tool to input a location code into the TPMS sensor to be set so that the TPMS sensor can feed the location code and its ID to the on-vehicle main unit for enabling the on-vehicle main unit to establish the relationship between the ID of the TPMS sensor and its location.

Abstract: The tire pressure sensor module contains a casing, a nozzle, a sleeve element, a fastening element, and a two-way tire information transmission and sensory system inside the casing. The casing has a trough and an air opening. The nozzle contains a nozzle mouth and a nozzle base. The nozzle base is joined to the casing, and the mouth is threaded through the sleeve element. The nozzle and the sleeve element are secured to the casing by the fastening element through the trough. The two-way tire information transmission and sensory system contains a battery, a micro-controller circuit, a low-power-consumption Bluetooth wireless transceiver circuit, a boosting/regulating circuit, a pressure sensor, an operation amplifier, a gravity sensor, a temperature sensor, and an antenna.

Abstract: A flexible board type tire pressure sensor device includes a flexible PC board having a first surface bonded to an inside wall of a tire of a vehicle wheel and a second surface opposite to the first surface, a sensor module installed in the second surface of the flexible PC board for sensing a variety of statuses of the vehicle wheel, a transmission terminal set installed in the second surface of the flexible PC board and electrically connected with the sensor module for allowing transmission of a communication program to the sensor module, and an antenna installed in the second surface of the flexible PC board and electrically connected with the sensor module for sending out a sensor signal generated by the sensor module. Thus, the flexible board type tire pressure sensor device has excellent structural stability to provide accurate sensing results.

Abstract: A tire status receiving system includes a first signal converter module including a first microcontroller unit, a wireless receiver unit for receiving a wireless signal from a tire status sensor and providing the wireless signal to the first microcontroller unit for enabling the first microcontroller unit to convert the wireless signal into a code for information interchange for output through an output unit being electrically coupled to the first microcontroller unit, and a second signal converter module including a second microcontroller unit, a memory unit for storing tire status sensor ID codes and predetermined alarm threshold values, an interface unit for communication with the output unit to receive data, a power supply unit to provide the necessary working electricity, and a communication port electrically coupled to the second microcontroller unit and having installed therein signal transmission circuit and a charging circuit.

Abstract: A tire status receiving system includes a first signal converter module including a first microcontroller unit, a wireless receiver unit for receiving a wireless signal from a tire status sensor and providing the wireless signal to the first microcontroller unit for enabling the first microcontroller unit to convert the wireless signal into a code for information interchange for output through an output unit being electrically coupled to the first microcontroller unit, and a second signal converter module including a second microcontroller unit, a memory unit for storing tire status sensor ID codes and predetermined alarm threshold values, an interface unit for communication with the output unit to receive data, a power supply unit to provide the necessary working electricity, and a communication port electrically coupled to the second microcontroller unit and having installed therein signal transmission circuit and a charging circuit.

Abstract: A tire pressure sensor device setting method includes the step of: installing the tire pressure sensor device in a tire and starting it up, the step of enabling the main control processor to match the detected tire pressure value with a predetermined tire pressure reference value, the step of enabling the main control processor to accept a wireless signal from the receiver for altering the communication protocol of the tire pressure sensor device if the detected tire pressure value is greater than the tire pressure reference value, and the step of stopping the main control processor from receiving a wireless signal from the receiver so that the communication protocol of the tire pressure sensor device is locked up to finish the installation.