CN208432737U - A kind of positioning time dissemination system 1+1 protection system - Google Patents
A kind of positioning time dissemination system 1+1 protection system Download PDFInfo
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- CN208432737U CN208432737U CN201821138712.XU CN201821138712U CN208432737U CN 208432737 U CN208432737 U CN 208432737U CN 201821138712 U CN201821138712 U CN 201821138712U CN 208432737 U CN208432737 U CN 208432737U
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- circuit
- satellite earth
- earth antenna
- negater
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Abstract
The utility model discloses a kind of positioning time dissemination system 1+1 protection systems; the utility model passes through in negater circuit built in main equipment; and two-way satellite earth antenna is connect with negater circuit; the working condition of signal deteching circuit continuous collecting two-way satellite earth antenna; negater circuit is switched over according to the working condition of two-way satellite earth antenna; the utility model provides two-way satellite earth antenna; in working state abnormal all the way; another way can be switched in time, effectively improve the safety and reliability of navigation, positioning and time dissemination system.
Description
Technical field
The utility model belongs to positioning time dissemination system protection field, and in particular to a kind of positioning time dissemination system 1+1 protection system
System.
Background technique
Existing Beidou, GPS and GLONASS positioning system are all 1+0 modes, and the safety and reliability of system is main
Depending on the reliability of satellite reception antenna-feeder system itself, average failure free time (MTBF) was at 50,000 hours or so.
If device fails, need to interrupt communication system, repairs and replace；It is required that maintenance and replacement are within two hours
It completes；Maintenance period, equipment and the potential paralysis risk of system.
The equipment and system that not high system end uses to reliability requirement, existing 1+0 mode can satisfy requirement；It is right
System core equipment and important node pursue higher reliability and safety using equipment, exist always for 1+0 mode and carry on a shoulder pole
Sorrow, relies primarily on deposit standby redundancy nearby, real-time servicing troop guarantees the safety of system and reliable at present, and manpower and material resources are thrown
Enter high.
Utility model content
Purpose of the utility model is to overcome the above-mentioned shortcomings and provide a kind of positioning time dissemination system 1+1 protection systems, can
Effectively improve the safety and reliability of navigation, positioning and time dissemination system.
In order to achieve the above object, the utility model includes main equipment, and main equipment connects negater circuit, negater circuit connection
The identical satellite earth antenna of two-way, every road satellite earth antenna are all connected with corresponding signal deteching circuit, signal deteching circuit
Connect negater circuit；
Signal deteching circuit includes the working condition of power circuit and the voltage and current for acquiring satellite earth antenna
Display circuit, working condition display circuit connect negater circuit, and power circuit connects satellite earth antenna and negater circuit；
Negater circuit is used for the information sent according to working condition display circuit, judges the work of two-way satellite earth antenna
State is switched over according to the working condition of two-way satellite earth antenna.
Negater circuit connects warning circuit, and warning circuit is for carrying out remote alarm.
Working condition display circuit connects the display for showing the voltage and current of satellite earth antenna.
Negater circuit is realized using switching circuit, and the Signal segregation degree > 60dB of two-way satellite earth antenna.
Compared with prior art, the system of the utility model is by negater circuit built in main equipment, and by two-way satellite
Receiving antenna is connect with negater circuit, and the working condition of signal deteching circuit continuous collecting two-way satellite earth antenna switches electricity
Road is switched over according to the working condition of two-way satellite earth antenna, and the utility model provides two-way satellite earth antenna,
All the way when working state abnormal, another way can be switched in time, effectively improve the safety of navigation, positioning and time dissemination system
Property and reliability.
Further, the utility model is provided with warning circuit, can carry out in time when there is working state abnormal
Alarm guarantees at least operate normally all the way in two-way satellite earth antenna.
Detailed description of the invention
Fig. 1 is the logic diagram of the utility model.
Specific embodiment
The utility model is described further with reference to the accompanying drawing.
Referring to Fig. 1, the utility model includes main equipment, and main equipment connects negater circuit, and it is identical that negater circuit connects two-way
Satellite earth antenna, every road satellite earth antenna is all connected with corresponding signal deteching circuit, and signal deteching circuit connection is switched
Circuit, negater circuit connect warning circuit, and warning circuit is for carrying out remote alarm；
Signal deteching circuit includes the working condition of power circuit and the voltage and current for acquiring satellite earth antenna
Display circuit, working condition display circuit connect the display of negater circuit and the voltage and current for showing satellite earth antenna
Device, power circuit connect satellite earth antenna and negater circuit；
Negater circuit is used for the information sent according to working condition display circuit, judges the work of two-way satellite earth antenna
State is switched over according to the working condition of two-way satellite earth antenna.
Preferably, negater circuit is realized using switching circuit, and the Signal segregation degree > 60dB of two-way satellite earth antenna.
Preferably, warning circuit can export 5V alarm signal and driving simulation I/O alarm, and output 5V alarm signal is used for
Other equipment monitor this pipeline equipment it is working properly whether；I/O mouthfuls of driving simulation can show equipment by changing relay status
Whether working properly, for other equipment monitor this pipeline equipment it is working properly whether.
The control method of the utility model, comprising the following steps:
Step 1, two-way satellite earth antenna receive signal simultaneously, and two-way satellite earth antenna is preset as by negater circuit
Main road satellite earth antenna and backup satellite receiving antenna, the work of signal deteching circuit continuous collecting two-way satellite earth antenna
State, and continue to detect the quality that satellite earth antenna receives circuit signal, it finally will test result and be sent to negater circuit；
Step 2, negater circuit judges the working condition of two-way satellite earth antenna according to testing result, and switches in real time
Main road is switched to if two-way satellite earth antenna working condition is abnormal to the normal satellite earth antenna of working condition
Satellite earth antenna；
Step 3, when negater circuit judges the working state abnormal of two-way satellite earth antenna, negater circuit is sent
Signal to warning circuit, warning circuit is alerted.
The 48V input voltage of signal deteching circuit continuous collecting satellite earth antenna, exports electric current and puts 5V output voltage
The working condition of big device, negater circuit is according to the 48V input voltage of satellite earth antenna, 5V output voltage, output electric current and puts
The working condition of big device judges the working condition of satellite earth antenna.
If the detection signal of main road satellite earth antenna is normal, negater circuit is by the letter of main road satellite earth antenna
Number it is connected to output port, the signal output of backup satellite receiving antenna is disconnected；
If the detection signal of main road satellite earth antenna has abnormal, a detection signal for backup satellite receiving antenna
Normal, then backup satellite receiving antenna is signally attached to output port by reversal switch, by main road satellite earth antenna
Signal output disconnects；
If the detection signal of main road satellite earth antenna and backup satellite receiving antenna have it is identical at least one not
Normally, then main road satellite earth antenna is signally attached to output port by reversal switch；
The utility model uses high-isolation two-way switch protecting circuit, successfully realizes 1+1 antenna-feeder system, and provides long-range
Monitoring signal facilitates unattended.If wherein a set of antenna feeder equipment fault, system automatically switches to another set of antenna feeder equipment work
Make, faulty equipment is replaced in the case where not interrupting satellite received signal, relieves the time requirement to equipment replacement, effectively drops
Low systemic breakdown risk makes system mean time between failures (MTBF) more than 100,000 hours, and system dimension is effectively reduced
Shield expense.
The design objective of 1 the utility model of table
The product technology parameter measured result of 2 the utility model of table
Claims (5)
1. a kind of positioning time dissemination system 1+1 protection system, which is characterized in that including main equipment, main equipment connects negater circuit,
The identical satellite earth antenna of circuit connection two-way is changed, every road satellite earth antenna is all connected with corresponding signal deteching circuit, letter
Number detection circuit connects negater circuit；
Signal deteching circuit includes that the working condition of power circuit and the voltage and current for acquiring satellite earth antenna is shown
Circuit, working condition display circuit connect negater circuit, and power circuit connects satellite earth antenna and negater circuit；
Negater circuit is used for the information sent according to working condition display circuit, judges the work shape of two-way satellite earth antenna
State is switched over according to the working condition of two-way satellite earth antenna.
2. a kind of positioning time dissemination system 1+1 protection system according to claim 1, which is characterized in that negater circuit connection
Warning circuit, warning circuit is for carrying out remote alarm.
3. a kind of positioning time dissemination system 1+1 protection system according to claim 1, which is characterized in that working condition is shown
Circuit connection is used to show the display of the voltage and current of satellite earth antenna.
4. a kind of positioning time dissemination system 1+1 protection system according to claim 1, which is characterized in that negater circuit uses
Switching circuit is realized.
5. a kind of positioning time dissemination system 1+1 protection system according to claim 1 or 4, which is characterized in that two-way satellite connects
Receive the Signal segregation degree > 60dB of antenna.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821138712.XU CN208432737U (en) | 2018-07-18 | 2018-07-18 | A kind of positioning time dissemination system 1+1 protection system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821138712.XU CN208432737U (en) | 2018-07-18 | 2018-07-18 | A kind of positioning time dissemination system 1+1 protection system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208432737U true CN208432737U (en) | 2019-01-25 |
Family
ID=65096784
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821138712.XU Active CN208432737U (en) | 2018-07-18 | 2018-07-18 | A kind of positioning time dissemination system 1+1 protection system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208432737U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108627853A (en) * | 2018-07-18 | 2018-10-09 | 西安圣佳禾科技有限公司 | A kind of positioning time dissemination system 1+1 protection system and control method |
-
2018
- 2018-07-18 CN CN201821138712.XU patent/CN208432737U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108627853A (en) * | 2018-07-18 | 2018-10-09 | 西安圣佳禾科技有限公司 | A kind of positioning time dissemination system 1+1 protection system and control method |
| CN108627853B (en) * | 2018-07-18 | 2023-09-08 | 西安圣佳禾科技有限公司 | Positioning time service system 1+1 protection system and control method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20190530 Address after: 710054 West Avenue 170 Fengze Science Park Building A Block 602, Xi'an High-tech Zone, Shaanxi Province Co-patentee after: Shengjiahe Technology (Beijing) Co., Ltd. Patentee after: Xi'an Sheng Jiahe Technology Co., Ltd. Address before: 710054 West Avenue 170 Fengze Science Park Building A Block 602, Xi'an High-tech Zone, Shaanxi Province Patentee before: Xi'an Sheng Jiahe Technology Co., Ltd. |