Down-hole pressure and weighing sensing system chip

[0033] Example 1, figure 1 It is a schematic diagram of an overall module for monitoring and data transmission of multiple pressure sensors in a downhole pressure and weighing sensor system chip of the present invention;

[0034] Such as figure 1 Shown: a downhole pressure and weighing sensor system chip is composed of a substrate, the chip is welded on the substrate, and 28 pins are provided on the chip, characterized in that: the pins of the chip pass through the substrate pins Connect with 4 pressure sensors and 1 temperature sensor respectively; on the chip are equipped with channel switching module, digital-analog conversion module, power supply module, adjustable gain module, analog-digital conversion module, data processing module, and data serialization module , Bus power taking module, voltage / current conversion module, adjustable clock module and digital current ring ratio bus, each functional module is connected by electrical connection.

[0035] Such as figure 1 Shown: a

[0057] Example 2, figure 2 It is a schematic diagram of an overall module that can monitor and transmit data to a single pressure sensor in a downhole pressure and weighing sensor system chip of the present invention;

[0058] Such as figure 2 As shown, a downhole pressure and weighing sensor system chip is composed of a substrate, the chip is welded on the substrate, and 12 pins are provided on the chip, characterized in that: the pins of the chip pass through the substrate pins Connect with 1 pressure sensor and 1 temperature sensor respectively; on the chip are equipped with digital-to-analog conversion module, power supply module, adjustable gain module, analog-to-digital conversion module, data processing module, data serialization module, bus power supply Modules, voltage / current conversion modules, adjustable clock modules, and digital current ring ratio bus, and each functional module is connected by electrical connection.

[0059] Such as figure 2 As shown, a downhole pr

[0081] Example 3, figure 1 It is a schematic diagram of an overall module for monitoring and data transmission of multiple pressure sensors in a downhole pressure and weighing sensor system chip of the present invention;

[0082] Such as figure 1 Shown: a downhole pressure and weighing sensor system chip is composed of a substrate, the chip is welded on the substrate, and 16 pins are provided on the chip, characterized in that: the pins of the chip pass through the substrate pins Connect with 3 pressure sensors and 1 temperature sensor respectively; on the chip are equipped with channel switching module, digital to analog conversion module, power supply module, adjustable gain module, analog to digital conversion module, data processing module, data serialization module , Bus power taking module, voltage / current conversion module, adjustable clock module and digital current ring ratio bus, each functional module is connected by electrical connection.

[0083] Such as figure 1 Shown: