CN201293926Y - Passive big dipper clock device applying for electric power system - Google Patents
Passive big dipper clock device applying for electric power system Download PDFInfo
- Publication number
- CN201293926Y CN201293926Y CN 200820225785 CN200820225785U CN201293926Y CN 201293926 Y CN201293926 Y CN 201293926Y CN 200820225785 CN200820225785 CN 200820225785 CN 200820225785 U CN200820225785 U CN 200820225785U CN 201293926 Y CN201293926 Y CN 201293926Y
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- local reference
- big dipper
- reference clock
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Abstract
The utility model discloses a passive dipper clock device applied to an electric power system, which is characterized in that a dipper passive receiving aerial is connected with a band-pass filter in a receiver, the band-pass filter is connected with a fore low-noise amplifying circuit, the fore low-noise amplifying circuit is connected with a lower converter circuit, the lower converter circuit is connected with a base band signal processing circuit, the base band signal processing circuit is connected with a microprocessor and an interface information processing circuit, the other end of a receiver output information interface circuit is connected with a phase measuring circuit, the phase measuring circuit is connected with a local reference clock and a control circuit, a man-machine interface circuit is connected with the local reference clock and the control circuit, and the local reference clock and the control circuit are connected with a clock signal generating circuit, the clock signal generating circuit is connected with a signal drive/expander circuit, and the signal drive/expander circuit is connected with a signal output isolating circuit. The utility model has the advantages of small equipment volume, high reliability, low cost, convenient operation and the like.
Description
Technical field
The utility model relates to the timing device field, is a kind of passive big dipper clock device that is applied to electric system specifically.
Background technology
Existing electric system clock source all is the reference clock that adopts GPS of America, consider from aspects such as Operation of Electric Systems security, stability, reliabilities, increase big dipper clock in existing clock system, the reference time source that expands redundant clock system is necessary and urgent.
" No. one, the Big Dipper " system is a kind of region satellite navigation location of communication system that China develops voluntarily and sets up, and claims " Double-Star Positioning System " system or " No. one, the Big Dipper " system again.Mainly be to utilize two geostationary satellites to measure earth surface and aerial various users' position, and have the function of bi-directional communication and time service simultaneously concurrently.This system's collection measuring technique, location technology, digital communication and spread spectrum are one, are regional satellite navigation, location, the communication systems of a kind of round-the-clock covering China and neighboring countries and regions.The 3rd satellite of " No. one, the Big Dipper " system succeeded in sending up lift-off along with on May 25th, 2003, and " No. one, the Big Dipper " system has begun to provide stable for various users comprehensively and use reliably.
The Beidou I navigation positioning system that China builds voluntarily is except that having in national defense construction the vital role, prospect has a very wide range of applications in the national economy field, such as, can be western and distinguish vehicle in use transprovincially, that monitoring, scheduling and rescue in danger coastal and inland navigation craft provide is cheap, efficiently, location and means of communication reliably; The departments such as water conservancy, meteorology, oil, ocean, forest fire protection that can be provide accurate satellite data; Can be the industry that communication, electric power and traffic etc. concern the life-blood of the national economy accurate time service service is provided.
In " 5.12 Wenchuan violent earthquake " the antidetonation rescue work of just passing by, system of the Big Dipper has brought into play the actual combat meaning of positive important, for the rescue team of my army and government provides effective Navsat information, the check of reality the warfighting capabilities of " No. one, the Big Dipper " system.
Because " No. one, the Big Dipper " intrinsic limitation of system, functions such as subscriber computer realization positioning and communicating must be by active emission, be that the user must get in touch transit satellite by ground central station, therefore, the shortcoming that existing Big Dipper subscriber computer equipment ubiquity volume is big, cost is high, power system capacity is little.
Summary of the invention
In order to overcome the shortcoming of prior art, the utility model proposes a kind of passive big dipper clock device that is applied to electric system, by realize the user directly with definite oneself the position of satellite contact, simplify the complicacy of prior art greatly.
The technical scheme that its technical matters that solves the utility model adopts is:
A kind of passive big dipper clock device that is applied to electric system, comprise the passive receiving antenna of the Big Dipper, receiver, bandpass filter, preposition low noise amplifier circuit, lower frequency changer circuit, the base band signal process circuit, microprocessor and interface message treatment circuit, phase measuring circuit, local reference clock and control circuit, clock signal generating circuit, the man-machine interface circuit, signal driving/expanded circuit, the signal output isolation circuit, it is characterized in that the interior bandpass filter of passive receiving antenna of the Big Dipper and receiver is connected, bandpass filter links to each other with preposition low noise amplifier circuit, preposition low noise amplifier circuit is connected with lower frequency changer circuit, lower frequency changer circuit is connected with the base band signal process circuit, the base band signal process circuit is connected with microprocessor and interface message treatment circuit, the other end of receiver output information interface circuit is connected with phase measuring circuit, phase measuring circuit is connected with local reference clock and control circuit, be connected with local reference clock and control circuit local reference clock and control circuit of man-machine interface circuit is connected with clock signal generating circuit, clock signal generating circuit is connected with signal driving/expanded circuit, and signal driving/expanded circuit is connected with the signal output isolation circuit.
The utility model is by receiving 3 satellite-signals and realizing the passive location function by the elevation information of man-machine interface circuit input, after device is realized the location, only need to receive a satellite and can realize the time service function, device is fit to the demand of the static time service of power clock system very much, has advantages such as equipment volume is little, reliability is high, cost is low, easy to operate.
Description of drawings
Accompanying drawing is a structural representation of the present utility model.
Reference numeral: the passive receiving antenna 1 of the Big Dipper, receiver 2, bandpass filter 3, preposition low noise amplifier circuit 4, lower frequency changer circuit 5, base band signal process circuit 6, microprocessor 7 and interface message treatment circuit 8, phase measuring circuit 9, local reference clock and control circuit 10, clock signal generating circuit 11, man-machine interface circuit 12, signal driving/expanded circuit 13, signal output isolation circuit 14.
Embodiment:
Below in conjunction with accompanying drawing the utility model is further described:
As shown in the figure, a kind of passive big dipper clock device that is applied to electric system, comprise the passive receiving antenna 1 of the Big Dipper, receiver 2, bandpass filter 3, preposition low noise amplifier circuit 4, lower frequency changer circuit 5, base band signal process circuit 6, microprocessor 7 and interface message treatment circuit 8, phase measuring circuit 9, local reference clock and control circuit 10, clock signal generating circuit 11, man-machine interface circuit 12, signal driving/expanded circuit 13, signal output isolation circuit 14, it is characterized in that the bandpass filter 3 in the passive receiving antenna 1 of the Big Dipper and the receiver 2 is connected, bandpass filter 3 links to each other with preposition low noise amplifier circuit 4, preposition low noise amplifier circuit 4 is connected with lower frequency changer circuit 5, lower frequency changer circuit 5 is connected with base band signal process circuit 6, base band signal process circuit 6 is connected with microprocessor 7 and interface message treatment circuit 8, the other end of receiver output information interface circuit 8 is connected with phase measuring circuit 9, phase measuring circuit 9 is connected with local reference clock and control circuit 10, be connected with local reference clock and control circuit 10 local reference clock and control circuit 10 of man-machine interface circuit 12 is connected with clock signal generating circuit 11, clock signal generating circuit 11 is connected with signal driving/expanded circuit 13, and signal driving/expanded circuit 13 is connected with signal output isolation circuit 14.
During use, the utility model is by receiving 3 satellite-signals and importing by the man-machine interface circuit Elevation information is realized the passive location function, and after device was realized the location, only needing to receive a satellite can be real Existing time service function, device are fit to the demand of power clock static system time service very much, therefore have equipment volume Little, reliability is high, cost is low, the advantage such as easy to operate.
Claims (1)
1, a kind of passive big dipper clock device that is applied to electric system, comprise the passive receiving antenna of the Big Dipper, receiver, bandpass filter, preposition low noise amplifier circuit, lower frequency changer circuit, the base band signal process circuit, microprocessor and interface message treatment circuit, phase measuring circuit, local reference clock and control circuit, clock signal generating circuit, the man-machine interface circuit, signal driving/expanded circuit, the signal output isolation circuit, it is characterized in that the interior bandpass filter of passive receiving antenna of the Big Dipper and receiver is connected, bandpass filter links to each other with preposition low noise amplifier circuit, preposition low noise amplifier circuit is connected with lower frequency changer circuit, lower frequency changer circuit is connected with the base band signal process circuit, the base band signal process circuit is connected with microprocessor and interface message treatment circuit, the other end of receiver output information interface circuit is connected with phase measuring circuit, phase measuring circuit is connected with local reference clock and control circuit, be connected with local reference clock and control circuit local reference clock and control circuit of man-machine interface circuit is connected with clock signal generating circuit, clock signal generating circuit is connected with signal driving/expanded circuit, and signal driving/expanded circuit is connected with the signal output isolation circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200820225785 CN201293926Y (en) | 2008-11-19 | 2008-11-19 | Passive big dipper clock device applying for electric power system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200820225785 CN201293926Y (en) | 2008-11-19 | 2008-11-19 | Passive big dipper clock device applying for electric power system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201293926Y true CN201293926Y (en) | 2009-08-19 |
Family
ID=41007409
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200820225785 Expired - Fee Related CN201293926Y (en) | 2008-11-19 | 2008-11-19 | Passive big dipper clock device applying for electric power system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201293926Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102033489A (en) * | 2010-12-16 | 2011-04-27 | 成都天奥电子股份有限公司 | Multifunctional Beidou second generation satellite time service watch and realizing method thereof |
| CN102073269A (en) * | 2010-12-16 | 2011-05-25 | 成都天奥电子股份有限公司 | Big dipper watch-timing device and timing method thereof |
-
2008
- 2008-11-19 CN CN 200820225785 patent/CN201293926Y/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102033489A (en) * | 2010-12-16 | 2011-04-27 | 成都天奥电子股份有限公司 | Multifunctional Beidou second generation satellite time service watch and realizing method thereof |
| CN102073269A (en) * | 2010-12-16 | 2011-05-25 | 成都天奥电子股份有限公司 | Big dipper watch-timing device and timing method thereof |
| CN102073269B (en) * | 2010-12-16 | 2012-04-25 | 成都天奥电子股份有限公司 | Timing method of big dipper watch-timing device |
| CN102033489B (en) * | 2010-12-16 | 2012-11-14 | 成都天奥电子股份有限公司 | Multifunctional Beidou second generation satellite time service watch and realizing method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20090819 Termination date: 20091221 |