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.
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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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