CN202696597U - Radio frequency conversion equipment - Google Patents
Radio frequency conversion equipment Download PDFInfo
- Publication number
- CN202696597U CN202696597U CN 201220086726 CN201220086726U CN202696597U CN 202696597 U CN202696597 U CN 202696597U CN 201220086726 CN201220086726 CN 201220086726 CN 201220086726 U CN201220086726 U CN 201220086726U CN 202696597 U CN202696597 U CN 202696597U
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- China
- Prior art keywords
- radio frequency
- socket
- cable
- links
- control contact
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- Expired - Fee Related
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Abstract
The utility model discloses radio frequency conversion equipment, which comprises an aviation relay (1), the aviation relay (2), a radio frequency cable (3), the radio frequency cable (4), the radio frequency cable (5), a radio frequency socket (6), the radio frequency socket (7), the radio frequency socket (8), a radio frequency cable (9), the radio frequency cable (10), the radio frequency cable (11), the radio frequency socket (12), the radio frequency socket (13), the radio frequency socket (14), an isolating diode (15), an isolating diode (16) and four low frequency control contacts (17,18,19 and 20). The application of the simple apparatus successfully solves the reliable conversion of the radiofrequency signals. The coordination and unification of a physics pathway and a reception pathway or an emission pathway of the radiofrequency signal can be successfully solved by combining the work characteristics of the equipment on an airplane. The radio frequency conversion equipment is suitable for switching the radiofrequency signals in the communication field.
Description
Technical field
The utility model relates to the radio frequency conversion equipment, is mainly used in the air communications field, especially is widely used in telecommunications context.
Background technology
The ultrashort wave radio set that present aircraft platform is selected only has 1 radio frequency interface, and ultrashort wave radio set of designing requirement is received/the signalling antenna must be (for fear of disturbing) arranged apart, and need to increase emergency antenna, work characteristics in conjunction with I/O radiofrequency signal half-duplex operating characteristic and interphone, by increase by 1 relay artificially 1 radio frequency interface that airborne ultra-short wave broadcasting station is unique in radiofrequency signal output, be output interface, when radiofrequency signal receives, be again receiving interface; Simultaneously again by increasing the in addition switching of 1 relay realization radiofrequency signal.
Summary of the invention
The technical problem that the utility model mainly solves: the first, 1 the physical radio interface conversion that shares is become input/output interface, namely input/output signal shares 1 physical transmission channel; The second, the switch control by the outside has solved radiofrequency signal and has reliably changed, and mainly is approximately 0.3dB of the Insertion Loss that brings of radiofrequency signal conversion.
The technical solution of the utility model: a kind of radio frequency boxcar comprises: the first aeronautical relay 1, the second aeronautical relay 2, the first radio frequency cable 3, the second radio frequency cable 4, the 3rd radio frequency cable 5, the first radio frequency socket 6, the second radio frequency socket 7, the 3rd radio frequency socket 8, the 4th radio frequency cable 9, the 5th radio frequency cable 10, the 6th radio frequency cable 11, the 4th radio frequency socket 12, the 5th radio frequency socket 13, the 6th radio frequency socket 14, the first isolating diode 15, the second isolating diode 16, four low frequency control contacts are respectively the first control contact 17, the second control contact 18, the 3rd control contact 19, the 4th control contact 20.
The first aeronautical relay 1 and the second aeronautical relay 2 include 5 contacts, are respectively normally opened contact, normally-closed contact, common and two control contacts.The first aeronautical relay 1 normally opened contact is unsettled, links to each other with external equipment with the 3rd radio frequency socket 8 by the 3rd radio frequency cable 5; Normally-closed contact links to each other with external equipment with the first radio frequency socket 6 by the first radio frequency cable 3; Common links to each other with external equipment emission control interface by the second radio frequency cable 4 and the second radio frequency socket 7; Control contact 18 direct ground connection, the first control contact 17 is connected with the 28V DC power supply of aircraft; Connect first diode 15 between control contact 18 and the first control contact 17, wherein high-end the and control contact 18 of diode links to each other, and the low side of diode links to each other with the first control contact 17.The second aeronautical relay 2 normally opened contacts are unsettled, link to each other with external equipment with the 6th radio frequency socket 14 by the 6th radio frequency cable 11; Normally-closed contact links to each other with external equipment with the 4th radio frequency socket 12 by the 4th radio frequency cable 9; Common links to each other with external equipment emission control interface by the second radio frequency cable 4 and the second radio frequency socket 7; The 3rd control contact 19 is connected with the 28V DC power supply of aircraft, and the 4th control contact 20 links to each other with external equipment; Connect second isolating diode 16 between the 3rd control contact 19 and the 4th control contact 20, wherein high-end and the 4th control contact 20 of diode links to each other, and the low side of diode links to each other with the 3rd control contact 19.
The beneficial effects of the utility model: cost performance is high, and is practical.
Description of drawings
The utility model comprises 2 figure, and the description of drawings of these accompanying drawings is as follows:
Fig. 1 is the key wiring diagram of radio frequency conversion equipment
Fig. 2 is radio frequency conversion equipment and the crosslinked graph of a relation of miscellaneous equipment
Wherein, 1 is the first aeronautical relay, and 2 is the second aeronautical relay, 3 is the first radio frequency cable, 4 is the second radio frequency cable, and 5 is the 3rd radio frequency cable, and 6 is the first radio frequency socket, 7 is the second radio frequency socket, 8 is the 3rd radio frequency socket, and 9 is the 4th radio frequency cable, and 10 is the 5th radio frequency cable, 11 is the 6th radio frequency cable, 12 is the 4th radio frequency socket, and 13 is the 5th radio frequency socket, and 14 is the 6th radio frequency socket, 15 is the first isolating diode, 16 is the second isolating diode, and 17 is the first control contact, and 18 is the second control contact, 19 is the 3rd control contact, and 20 is the 4th control contact.
Embodiment
Below in conjunction with accompanying drawing and the embodiment on aircraft the utility model is described in further detail:
See accompanying drawing 2, according to the ultrashort wave System Working Principle, interphone and ultrashort wave system all in normal operation, the radio frequency conversion equipment.See accompanying drawing 1, first group of aeronautical relay conversion equipment normally-closed contact links to each other with primary transmitting antenna with the first radio frequency socket 6 by the first radio frequency cable 3, common links to each other with electric tunable filter radio frequency output port with the second radio frequency socket 7 by the second radio frequency cable 4, and normally opened contact links to each other with electric tunable filter with the 3rd radio frequency socket 8 by the 3rd radio frequency cable 5.When the ultrashort wave system need to transmit, transmit and go out by electric tunable filter, radio frequency conversion equipment and primary transmission antennas transmit; At this moment, realize transmitting going out by electric tunable filter, radio frequency conversion equipment and transmission antennas transmit for subsequent use by artificial connection control switch as required, namely realize the switch operating of active/standby transmitting antenna.Second group of aeronautical relay conversion equipment normally-closed contact links to each other with the radio-frequency (RF) output end of preamplifier with the 4th radio frequency socket 12 by the 4th radio frequency cable 9, the receipts of common by the 5th radio frequency cable 10 and the 5th radio frequency socket 13 and ultrashort wave radio set transceiver/make a start mouthful link to each other, and normally opened contact passes through the 6th radio frequency cable 11 and links to each other with the rf inputs of power added device with the 6th radio frequency socket 14.The ultrashort wave system is in normal accepting state at ordinary times, receives signal by reception antenna, electric tunable filter, power added device, preamplifier, radio frequency conversion equipment, and receives by receiving/send out path; When the ultrashort wave system need to transmit, by manually pressing the PTT button of flight interphone system, the external low frequency circuit is exported to 20 1 driving voltages in the 3rd control contact 19 and the 4th control contact of radio frequency conversion equipment automatically, receiving/send out path becomes the path that transmits, and transmits by radio frequency conversion equipment, power added device, electric tunable filter and emission path and transmission antennas transmit radiofrequency signal.
Claims (1)
1. radio frequency conversion equipment, it is characterized in that: described radio frequency conversion equipment comprises the first aeronautical relay (1), the second aeronautical relay (2), the first radio frequency cable (3), the second radio frequency cable (4), the 3rd radio frequency cable (5), the first radio frequency socket (6), the second radio frequency socket (7), the 3rd radio frequency socket (8), the 4th radio frequency cable (9), the 5th radio frequency cable (10), the 6th radio frequency cable (11), the 4th radio frequency socket (12), the 5th radio frequency socket (13), the 6th radio frequency socket (14), the first isolating diode (15), the second isolating diode (16) and four low frequency control contacts are respectively the first control contact (17), the second control contact (18), the 3rd control contact (19), the 4th control contact (20); The first aeronautical relay (1) and the second aeronautical relay (2) include 5 contacts, are respectively normally opened contact, normally-closed contact, common and two control contacts;
The normally opened contact of the first aeronautical relay (1) is unsettled, links to each other with external equipment with the 3rd radio frequency socket (8) by the 3rd radio frequency cable (5); Normally-closed contact links to each other with external equipment with the first radio frequency socket (6) by the first radio frequency cable (3); Common links to each other with external equipment emission control interface by the second radio frequency cable (4) and the second radio frequency socket (7); The second control contact (18) is ground connection directly, and the first control contact (17) is connected with the 28V DC power supply of aircraft; Connect first isolating diode (15) between the second control contact (18) and the first control contact (17), wherein high-end the and control contact (18) of diode links to each other, and the low side of diode links to each other with the first control contact (17);
The second aeronautical relay (2) normally opened contact is unsettled, links to each other with external equipment with the 6th radio frequency socket (14) by the 6th radio frequency cable (11); Normally-closed contact links to each other with external equipment with the 4th radio frequency socket (12) by the 4th radio frequency cable (9); Common links to each other with external equipment emission control interface by the second radio frequency cable (4) and the second radio frequency socket (7); The 3rd control contact (19) is connected with the 28V DC power supply of aircraft, and the 4th control contact (20) links to each other with external equipment; Connect second isolating diode (16) between the 3rd control contact (19) and the 4th control contact (20), wherein high-end and the 4th control contact (20) of diode links to each other, and the low side of diode links to each other with the 3rd control contact (19).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220086726 CN202696597U (en) | 2012-03-09 | 2012-03-09 | Radio frequency conversion equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220086726 CN202696597U (en) | 2012-03-09 | 2012-03-09 | Radio frequency conversion equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202696597U true CN202696597U (en) | 2013-01-23 |
Family
ID=47552147
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220086726 Expired - Fee Related CN202696597U (en) | 2012-03-09 | 2012-03-09 | Radio frequency conversion equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202696597U (en) |
-
2012
- 2012-03-09 CN CN 201220086726 patent/CN202696597U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130123 Termination date: 20180309 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |