CN204906413U - Earth -space communication access system with conversion equipment is kept apart to voltage - Google Patents
Earth -space communication access system with conversion equipment is kept apart to voltage Download PDFInfo
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- CN204906413U CN204906413U CN201520654867.9U CN201520654867U CN204906413U CN 204906413 U CN204906413 U CN 204906413U CN 201520654867 U CN201520654867 U CN 201520654867U CN 204906413 U CN204906413 U CN 204906413U
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- control box
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- side circuit
- router
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Abstract
The utility model discloses an earth -space communication access system with conversion equipment is kept apart to voltage, including remote -control box and router, wherein, still include: voltage converter, it is used for keeping apart the remote -control box with the signal of telecommunication between the router, voltage converter's one end is connected the remote -control box, the other end passes through router and VHF equipment electric connection. The utility model provides an earth -space communication access system with conversion equipment is kept apart to voltage, through the set voltage converter, it keeps apart to incline negative voltage and the remote -control box side circuit of router with the transmission equipment, the remote -control box side adopts outside + 5V voltage power supply, it is whether closed through detecting the microphone circuit, drive light voltage converter's work, it keeps apart to realize the detection of the closed signal of VHF equipment microphone, thereby it mismatches and causes VHF equipment to send the trouble for a long time with transmission equipment interconnection effectively to solve the remote -control box.
Description
Technical field
The utility model relates to a kind of earth-space communication connecting system, particularly relates to a kind of earth-space communication connecting system with voltage isolation and switching device.
Background technology
In recent years, the fast development of civil aviaton's cause, the continuous increase of flight flow, more and more higher to the requirement of air control department, the requirement tackling air control means is mutually also more and more higher.Be mainly reflected in air-ground communication for command and require that communication quality improves, communication coverage expands and the stability of communication system and the raising of reliability.The air-ground communication for command of blank pipe department is mainly based on very high frequency(VHF) (VHF) air-ground Speech Communication, and the simultaneously air-ground data communication of VHF is also the main communication mode of earth-space communication connecting system.
In civil aviation air-ground communication system, VHF equipment and remote-control box strange land are disposed, and realize interconnected by special or common transmission net.Due to device category and the reason such as interface type is many, number of devices is large, transmission system link is complicated of beechnut, VHF equipment may be caused to launch for a long time, and VHF equipment long hair can cause earth-space communication normally to work, and has a strong impact on flight safety.One of them reason is exactly that devices interconnect is not mated, and because remote-control box brand, model are various, interface pin definition not unified standard, does not mate time interconnected with transmission equipment and cause VHF equipment long hair.
Utility model content
Technical problem to be solved in the utility model is to provide a kind of earth-space communication connecting system with voltage isolation and switching device, by Phototube Coupling, transfer principle, the negative voltage of transmission equipment side router and remote-control box lateral circuit are isolated, effectively solves remote-control box and transmission equipment interconnected coupling and cause VHF equipment permanent fault.
The utility model is solve the problems of the technologies described above the technical scheme adopted to be to provide a kind of earth-space communication connecting system with voltage isolation and switching device, comprise remote-control box and router, wherein, also comprise: electric pressure converter, it is for isolating the signal of telecommunication between described remote-control box and described router; One end of described electric pressure converter connects described remote-control box, and the other end is electrically connected by described router and VHF equipment.
Above-mentioned earth-space communication connecting system, wherein, described electric pressure converter comprises: Power Entry Module, and it is for providing power supply to described electric pressure converter; At least one circuit protection module, it comprises a current-limiting resistance, for generation of cut-off current; At least one input interface, it is for connecting described remote-control box; At least one output interface, it is for connecting described router; And at least one circuit isolation module, it comprises primary side circuit and secondary side circuit, described primary side circuit comprises the first light-emitting diode, described secondary side circuit comprises a triode, wherein said primary side circuit is electrically connected by described input interface, described remote-control box and microphone successively, and described secondary side circuit is connected with described router by described output interface; When described primary side circuit receives the closure signal of described microphone, then light described first light-emitting diode, described primary side circuit turn-on, described triode is lit, thus connects described secondary side circuit; When described primary side circuit does not receive the closure signal of described microphone, then described primary side circuit and described secondary side circuit all disconnect.
Above-mentioned earth-space communication connecting system, wherein, described remote-control box comprises one second light-emitting diode, is used to indicate the closure signal receiving described microphone.
Above-mentioned earth-space communication connecting system, wherein, described Power Entry Module comprises one the 3rd light-emitting diode, receives the closure signal of described microphone described in being used to indicate.
Above-mentioned earth-space communication connecting system, wherein, described circuit isolation module is photoelectric coupler isolation module or relay module.
Above-mentioned earth-space communication connecting system, wherein, described power module adopts 5V power voltage supply.
Above-mentioned earth-space communication connecting system, wherein, described circuit isolation module is 8 tunnel photoelectric coupler isolation modules, comprise 8 road input interfaces and 8 road output interfaces, described input interface and described output interface are RJ45 interface, two RJ45 interfaces to be connected formation a pair input/output interface by cross spider sequence, and described router and remote-control box all use Straight-Through Cable to be connected to RJ45 interface.
The utility model contrast prior art has following beneficial effect: the negative voltage of transmission equipment side router and remote-control box lateral circuit, by arranging electric pressure converter, are isolated by the utility model; Employing outside, remote-control box side+5V power voltage supply, whether close by detecting microphone circuit, drive the work of photovoltage transducer, realize the detection isolation of VHF equipment microphone closure signal, thus effectively solve remote-control box and transmission equipment interconnected coupling and cause VHF equipment to send fault for a long time.
Accompanying drawing explanation
Fig. 1 is the system connection layout of earth-space communication connecting system of the prior art;
Fig. 2 is the remote-control box circuit diagram of earth-space communication connecting system of the prior art;
Fig. 3 is the system connection layout of earth-space communication connecting system of the present utility model;
Fig. 4 is the circuit diagram of the electric pressure converter of earth-space communication connecting system of the present utility model;
Fig. 5 is another circuit diagram of the electric pressure converter of earth-space communication connecting system of the present utility model.
In figure:
1 microphone 2 remote-control box 3 router
4VHF equipment 5 electric pressure converter
Embodiment
Below in conjunction with drawings and Examples, the utility model will be further described.
The utility model provides a kind of earth-space communication connecting system with voltage isolation and switching device, by Phototube Coupling, transfer principle, the negative voltage of transmission equipment side router and remote-control box lateral circuit is isolated.
Fig. 1 is the system connection layout of earth-space communication connecting system of the prior art, and Fig. 2 is the remote-control box circuit diagram of earth-space communication connecting system of the prior art.Please refer to Fig. 1 and Fig. 2, earth-space communication connecting system of the prior art comprises microphone 1, remote-control box 2, router three and VHF equipment 4.The supply voltage grade that current telecommunication transmission equipment provides is mainly direct current-48V, alternating current 220V,-48V the voltage provided when transmission equipment is by router-A R1, after AR2 is accessed by MIHTx, no matter whether microphone circuit closes, no matter namely whether microphone button S0 is pressed, negative voltage all can make the general-purpose diode D0 in remote-control box 2 that MIHTx and G is held conducting, microphone circuit is in closure state to cause VHF equipment 4 to judge all the time, cause PPT signal (PushToTalk, emission key signal, pin this intercom and just outwards send signal, the voice signal of surrounding is become electric wave spreads out of, do not pin it, just in accepting state during the start of VHF equipment machine) be in Chang Fazhuan state always, cause VHF equipment 4 permanent fault.
Fig. 3 is the system connection layout of earth-space communication connecting system of the present utility model, and Fig. 4 is the circuit diagram of the electric pressure converter of earth-space communication connecting system of the present utility model.Please refer to Fig. 3 and Fig. 4, the earth-space communication connecting system with voltage isolation and switching device of the present utility model comprises microphone 1, remote-control box 2, router-A R1, AR2 and VHF equipment 4, also comprises electric pressure converter 5; Electric pressure converter 5 and described remote-control box 2 and described router three are electrically connected, and described electric pressure converter 5 is for isolating the signal of telecommunication between described remote-control box 2 and described router three.
Electric pressure converter 5 of the present utility model comprises: Power Entry Module, and it is for providing power supply to described electric pressure converter; A circuit protection module, it comprises a current-limiting resistance R1, for generation of cut-off current; Indicator light D1, circuit power supply is connected; An input interface, it is for connecting described remote-control box 2; An output interface, it is for connecting described router-A R2; And a photoelectric coupler isolation module, described input interface and output interface are preferably RJ45 interface.Described photoelectric coupler isolation module comprises primary side circuit and secondary side circuit, described primary side circuit comprises the first light-emitting diode, as D2, D3, D4, D5 in Fig. 4, be used to indicate the closure signal receiving described microphone, described secondary side circuit comprises a triode, wherein said primary side circuit and described remote-control box are electrically connected, and described secondary side circuit is connected with described router three; When described primary side circuit receives the closure signal of described microphone, then light described first light-emitting diode, then described primary side circuit turn-on, described triode is lit, thus connects described secondary side circuit; When described primary side circuit does not receive the closure signal of described microphone, then described primary side circuit disconnects, described secondary side circuit access failure.
In specifically implementing, MIHTx end, G end are as remote-control box microphone incoming end, and MIJHJx end and G hold as transmission equipment supply voltage incoming end, X=2
n, n is integer, corresponding No. 4 optically coupled circuits when n is 2, corresponding No. 8 optically coupled circuits when n is 3; G end is earth terminal GND.1 end of J1 is as 5V voltage input end, and 2 ends are held with G and are connected, and after Fig. 4 breaker in middle S1 presses, D1 indicator light is lighted, and circuit power supply is connected.After microphone circuit is closed, MIHX1 end holds conducting with G, and D2 indicator light is lighted, primary side circuit turn-on, photoelectric coupling isolation module interior lamp is lighted, triode ON, driving secondary side circuit is connected, and G end holds conducting with MIJHJ1, and VHF equipment 4 detects the signal that microphone circuit is closed.When microphone circuit disconnects, primary side circuit disconnects, the non-conducting of secondary side circuit, and G end is held with MIJHJ1 and disconnected, the signal that VHF equipment Inspection disconnects to microphone circuit.
Specifically describe the circuit working process of described electric pressure converter below, after Power Entry Module input 5V power supply, produce about a 10mA electric current by current-limiting resistance R1, this electric current can be used for the input of driving LED indicator light D1 and photoelectric coupling isolation module.Circuit isolation module in Fig. 4 is 4 tunnel photoelectric coupler isolation modules, adopts 4 photoelectric coupler isolation module U2, U3, U4 and U5, comprises 4 road input interfaces and 4 road output interfaces.The input access remote-control box of photoelectric coupling isolation module, when microphone circuit closes, the input conducting of photoelectric coupling isolation module, LED light D1 is lit, and indicating circuit normally works.After the conducting of photoelectric coupling isolation module input, drive its output two pin conducting simultaneously, the M of router-A R1, AR2 is held and leads to G termination, realize the normal transmission of PPT signal.
Fig. 5 is another circuit diagram of the electric pressure converter of earth-space communication connecting system of the present utility model.
Composition graphs 3, the circuit isolation module in electric pressure converter 5 of the present utility model can be photoelectric coupler isolation module also can be relay module.Because photoelectric coupling mould device isolation module is low in energy consumption, volume is little, working stability, therefore described voltage converter is preferably photoelectric coupler isolation module.Please continue to refer to Fig. 5, the circuit isolation module in described electric pressure converter 5 is preferably 8 tunnel photoelectric coupler isolation modules, adopts 8 photoelectric coupler isolation module U1, U2, U3, U4, U6, U7 and U8, comprises 8 road input interfaces and 8 road output interfaces; Can provide 16 RJ45 interfaces, 2 is a pair, one-in-and-one-out.Cross spider sequence completes in equipment, and connection AR1, AR2 router and remote-control box use Straight-Through Cable, facilitate site operation.Certainly, according to actual needs, 16,32 can be adopted ... photoelectric coupler isolation module, this is no longer going to repeat them.
In sum, the negative voltage of VHF equipment side router and remote-control box lateral circuit, by arranging electric pressure converter 5, are isolated by the utility model; Employing outside, remote-control box side+5V power voltage supply, whether close by detecting microphone circuit, drive the work of photovoltage transducer 5, realize the detection isolation of VHF equipment 4 microphone closure signal, thus effectively solve remote-control box 2 and transmission equipment interconnected coupling and cause VHF equipment to send fault for a long time.
Although the utility model discloses as above with preferred embodiment; so itself and be not used to limit the utility model; any those skilled in the art; not departing from spirit and scope of the present utility model; when doing a little amendment and perfect, therefore protection range of the present utility model is when being as the criterion of defining with claims.
Claims (7)
1. there is an earth-space communication connecting system for voltage isolation and switching device, comprise remote-control box and router, it is characterized in that, also comprise:
Electric pressure converter, it is for isolating the signal of telecommunication between described remote-control box and described router;
One end of described electric pressure converter connects described remote-control box, and the other end is electrically connected by described router and VHF equipment.
2. earth-space communication connecting system according to claim 1, is characterized in that, described electric pressure converter comprises:
Power Entry Module, it is for providing power supply to described electric pressure converter;
At least one circuit protection module, it comprises a current-limiting resistance, for generation of cut-off current;
At least one input interface, it is for connecting described remote-control box;
At least one output interface, it is for connecting described router; And
At least one circuit isolation module, it comprises primary side circuit and secondary side circuit, described primary side circuit comprises the first light-emitting diode, described secondary side circuit comprises a triode, wherein said primary side circuit is electrically connected by described input interface, described remote-control box and microphone successively, and described secondary side circuit is connected with described router by described output interface;
When described primary side circuit receives the closure signal of described microphone, then light described first light-emitting diode, described primary side circuit turn-on, described triode is lit, thus connects described secondary side circuit; When described primary side circuit does not receive the closure signal of described microphone, then described primary side circuit and described secondary side circuit all disconnect.
3. earth-space communication connecting system according to claim 2, is characterized in that, described remote-control box comprises one second light-emitting diode, is used to indicate the closure signal receiving described microphone.
4. earth-space communication connecting system according to claim 2, is characterized in that, described Power Entry Module comprises one the 3rd light-emitting diode, receives the closure signal of described microphone described in being used to indicate.
5. earth-space communication connecting system according to claim 2, is characterized in that, described circuit isolation module is photoelectric coupler isolation module or relay module.
6. earth-space communication connecting system according to claim 2, is characterized in that, described power module adopts 5V power voltage supply.
7. earth-space communication connecting system according to claim 2, it is characterized in that, described circuit isolation module is 8 tunnel photoelectric coupler isolation modules, comprise 8 road input interfaces and 8 road output interfaces, described input interface and described output interface are RJ45 interface, two RJ45 interfaces to be connected formation a pair input/output interface by cross spider sequence, and described router and remote-control box all use Straight-Through Cable to be connected to RJ45 interface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520654867.9U CN204906413U (en) | 2015-08-27 | 2015-08-27 | Earth -space communication access system with conversion equipment is kept apart to voltage |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520654867.9U CN204906413U (en) | 2015-08-27 | 2015-08-27 | Earth -space communication access system with conversion equipment is kept apart to voltage |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204906413U true CN204906413U (en) | 2015-12-23 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520654867.9U Active CN204906413U (en) | 2015-08-27 | 2015-08-27 | Earth -space communication access system with conversion equipment is kept apart to voltage |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204906413U (en) |
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2015
- 2015-08-27 CN CN201520654867.9U patent/CN204906413U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CB03 | Change of inventor or designer information |
Inventor after: Request for anonymity Inventor after: Wang Jialun Inventor before: Request for anonymity Inventor before: Yang Si Inventor before: Wang Jialun |
|
| COR | Change of bibliographic data | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20190104 Address after: 2nd Building, 3rd Floor, 666 Zixing Road, Minhang District, Shanghai, 200241 Patentee after: China Aviation Control System Equipment Co.,Ltd. Address before: 2002 233 47 Building 5, 555 Guiping Road, Xuhui District, Shanghai Patentee before: SHANGHAI ADVANCED AVIONICS Co.,Ltd. |
|
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20220818 Address after: No. 432, ziyue Road, Minhang District, Shanghai 200241 Patentee after: CHINA AERONAUTICAL RADIO ELECTRONICS Research Institute Address before: 2nd Building, 3rd Floor, 666 Zixing Road, Minhang District, Shanghai, 200241 Patentee before: China Aviation Control System Equipment Co.,Ltd. |