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GPS timing quartz crystal thermometer

A quartz crystal and thermometer technology, applied in the field of quartz crystal thermometers for GPS timing, can solve the problems of large zero drift error, inconvenient long-distance transmission, shared signals, etc., and achieve high stability and easy long-distance transmission.

Active Publication Date: 2020-01-14
章礼道
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0011] Solve the problem that the quartz crystal thermometer in the prior art still has a large zero drift error, its resolution can be 0.001K~0.0001K, but the accuracy can only be 0.1K~0.05K; solve the problem of the prior art Quartz crystal thermometers are inconvenient for long-distance transmission and signal sharing; after low power consumption processing, they can also become additional functions of GPS navigators and smart navigation mobile phones, providing high-resolution, high-precision, high-stability, Facilitate long-distance transmission of shared temperature signals

Method used

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  • GPS timing quartz crystal thermometer

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Effect test

Embodiment 1

[0035] Combine now figure 1 Taking a GPS timing quartz crystal thermometer with a range of -50°C to 250°C as an example to illustrate the optimal way to realize the invention.

[0036] The quartz crystal thermometer for GPS time service of the present invention comprises a GPS antenna (3), a GPS module (6), a quartz crystal probe (1), an oscillator (4), a high-speed counter (7), a gating control module (8), a single-chip microcomputer+ Solid state hard disk (9), man-machine interface (10), display unit (5); GPS antenna (3) receives GPS satellite timing signal, GPS module (6) outputs high-precision second pulse to gate control module (8); The pass control module (8) also accepts the instructions of the man-machine interface (10) at the same time, and the pass control module (8) provides the high-speed counter (7) with the pulse of opening the gate and the pulse of closing the gate; the quartz crystal probe (1) and the oscillator (4) Form the quartz crystal oscillator to output...

Embodiment 2

[0044] GPS smart navigation mobile phone adds high-precision temperature measurement function

[0045] Add quartz crystal probe interface and external quartz crystal probe to GPS smart navigation mobile phone; oscillator (4), high-speed counter (7), gating control module (8), single-chip microcomputer + solid state hard disk (9), man-machine interface (10) , display unit (5) functions are respectively integrated into the smart navigation mobile phone chip, mobile phone memory card, mobile phone application program, and mobile phone display unit; streamlined support for fieldbus, in line with the IEC61158 Ed.3 fieldbus standard; the built-in GPS module provides second pulse Signal.

[0046] The temperature measurement range of the external quartz crystal probe is -50°C to 250°C.

Embodiment 3

[0048] GPS smart navigation mobile phone adds high-precision temperature measurement function (built-in micro retractable probe)

[0049] GPS smart navigation mobile phone adds built-in miniature scalable quartz crystal probe; oscillator (4), high-speed counter (7), gating control module (8), single-chip microcomputer + solid state hard disk (9), man-machine interface (10), display unit (5) The functions are respectively integrated into the smart navigation mobile phone chip, mobile phone memory card, mobile phone application program, and mobile phone display unit; the function of supporting field bus is streamlined and conforms to the IEC61158 Ed.3 field bus standard; the built-in GPS module provides second pulse signal.

[0050] The temperature measurement range of the built-in miniature retractable quartz crystal probe is -30°C to 50°C.

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Abstract

The invention relates to a quartz crystal thermometer with time service realized by a GPS, wherein the thermometer can be applied to industrial environment and is high in resolution ratio, precision and stability and brings convenience to remote transmission and signal sharing. The quartz crystal thermometer comprises a GPS antenna, a GPS module, a quartz crystal probe, an oscillator, a high-speed counter, a gate control module, a single-chip microcomputer, a solid hard disk, a man-machine interface and a display unit. GPS time service signals which are easy to obtain and high in precision are used for replacing a standard quartz crystal oscillator to enable the precision of the quartz crystal thermometer with the time service realized by the GPS to reach 1 mk. The quartz crystal thermometer supports a field bus interface and meets the IEC61158Ed.3 field bus standard, and data can be shared in a distributed control system conveniently. Through low consumption processing, the quartz crystal thermometer becomes an accessory part of a GPS navigator and a smart navigation mobile phone, provides high-resolution-ratio high-precision and high-stability temperature signals which can be transmitted and shared remotely conveniently, and participates in various applications in need of temperature signals.

Description

[0001] (1) Technical field: [0002] The quartz crystal thermometer for GPS time service of the present invention relates to a thermometer with high resolution, high precision, high stability, convenient long-distance transmission and shared signals that can be applied in industrial environments; it can also become a GPS through low power consumption processing The additional functions of navigators and smart navigation mobile phones provide high-resolution, high-precision, high-stability temperature signals that are convenient for long-distance transmission and sharing in mobile environments. [0003] (two) background technology: [0004] The International Practical Temperature Scale is based on specified values ​​of temperature at some reproducible equilibrium states (defining fixed points), and standard interpolating instruments graduated at these fixed points of the IPT. In 1968, the international practical temperature scale was divided into three temperature zones, and the...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01K7/32G04R20/04
Inventor 章礼道
Owner 章礼道
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