CN205178540U - Interferometer power consumption source control board goes up to air - Google Patents
Interferometer power consumption source control board goes up to air Download PDFInfo
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- CN205178540U CN205178540U CN201520823979.2U CN201520823979U CN205178540U CN 205178540 U CN205178540 U CN 205178540U CN 201520823979 U CN201520823979 U CN 201520823979U CN 205178540 U CN205178540 U CN 205178540U
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Abstract
The utility model discloses an interferometer power consumption source control board goes up to air, including a power input connector, five stabilisers and five voltage output interfaces, power input connector and external power source are connected, five equal and voltage input interface connection of stabiliser, and the output of five stabilisers is connected with interferometer antenna battle array, X86 integrated circuit board, electron compass, receiver and WIFI module through the voltage output interface respectively, still is provided with voltage output 0 between every stabiliser and voltage input interface. The utility model discloses a different modules of a plurality of stabilisers in to the interferometer that goes up to the air are supplied power to adopt short -circuit protection circuit to carry out short -circuit protection.
Description
Technical field
The utility model relates to a kind of lift-off interferometer power management plate.
Background technology
Direction-finding station is according to propagation properties, uses instrument and equipment to measure the process of radio wave arrival bearing.Measure " arrival bearing ", refer to the direction that in the electromagnetic environment that direction-finder set location is tangible, electric wave reaches, direction-finding station, common final purpose will determine in " direction of radiation source " and " particular location of radiation source ".
For interferometer direction finding system, its direction finding principle is: according to electric wave in advancing, when electric wave from different directions arrives direction estimation antenna array, spatially the phase place of each direction-finder antenna unit reception is different, thus mutual phase difference is also different, by measuring wave phase and phase difference, arrival bearing can be determined.In interferometer direction finding mode, be the phase place directly measuring direction-finder antenna induced voltage, then solve phase difference, the formula of its mathematical formulae and the direction finding of amplitude comparison expression is quite similar.Interferometer direction finding has high, the fireballing feature of precision and is used widely in electronic warfare.
The monitoring and direction-finding device of lift-off interferometer comprises multiple module, such as interferometer antenna battle array, X86 board, electronic compass, receiver and WIFI module.But the voltage requirements of modules is not identical, adopt the power supply of multiple different voltage carry out power supply can improve lift-off interferometer weight.
Utility model content
The purpose of this utility model is to overcome the deficiencies in the prior art, provides a kind of safe lift-off interferometer power management plate, for the voltage after providing conversion for each module of interferometer of going up to the air.
The purpose of this utility model is achieved through the following technical solutions: a kind of lift-off interferometer power management plate; comprise a power input interface, five pressurizers and five voltage output interfaces; power input interface is connected with external power source; five pressurizers are all connected with voltage input interface; the output of five pressurizers is connected with interferometer antenna battle array, X86 board, electronic compass, receiver and WIFI module respectively by voltage output interface, between each pressurizer and voltage input interface, be also provided with short-circuit protection circuit.
Described short-circuit protection circuit comprises K switch 1 and control circuit; Described K switch 1 is arranged on the positive pole line of power input interface and pressurizer, whether be connected with between pressurizer input anode Vout+ for controlling power input interface positive pole Vin+, described control circuit disconnects for controlling K switch 1 when short circuit, when short circuit recovers, control K switch 1 closes;
Described K switch 1 is relay, and the dynamic point of described relay is connected with power input interface positive pole Vin+, and the contact of relay is connected with pressurizer input anode Vout+, and the control end of relay is connected with control circuit;
Described control circuit comprises triode Q1, triode Q2, resistance R1, resistance R2, resistance R3; Described resistance R3 and resistance R2 contacts and forms bleeder circuit, another termination power input interface negative pole Vin-of another termination power input interface positive pole Vin+ of resistance R3, resistance R2;
Described triode Q1 is NPN type triode; The emitter of triode Q1 is connected with power input interface negative pole Vin-, the base stage connecting resistance R3 of triode Q1 and the points of common connection of resistance R2, and the collector electrode of triode Q1 is connected with the control end of relay;
Described triode Q2 is PNP type triode; The emitter of triode Q2 is connected with the base stage of described triode Q1, and the collector electrode of triode Q2 is connected with power input interface negative pole Vin-, and the base stage of triode Q2 meets pressurizer input anode Vout+ by resistance R1.
Described short-circuit protection circuit also comprises an inductance L 1, and described inductance L 1 is arranged between power input interface positive pole Vin+ and the dynamic point of relay.
Described short-circuit protection circuit also comprises a diode D1, and the anode of described diode D1 is connected with the collector electrode of described triode Q1, and the negative electrode of diode D1 is connected with voltage input interface positive pole.
The beneficial effects of the utility model are: lift-off interferometer power management plate is powered to the disparate modules in lift-off interferometer by multiple pressurizer, and adopts short-circuit protection circuit to carry out short-circuit protection.
Accompanying drawing explanation
Fig. 1 is the utility model structured flowchart;
Fig. 2 is short-circuit protection circuit circuit diagram.
Embodiment
Below in conjunction with accompanying drawing, the technical solution of the utility model is described in further detail, but protection range of the present utility model is not limited to the following stated.
As shown in Figure 1; a kind of lift-off interferometer power management plate; comprise a power input interface, five pressurizers and five voltage output interfaces; power input interface is connected with external power source; five pressurizers are all connected with voltage input interface; the output of five pressurizers is connected with interferometer antenna battle array, X86 board, electronic compass, receiver and WIFI module respectively by voltage output interface, between each pressurizer and voltage input interface, be also provided with short-circuit protection circuit.
Power management plate sends to each functional module of lift-off interferometer successively after being changed by external voltage, particularly:
The voltage of the external power source that power input interface receives is 7 ~ 8V, after voltage transitions, the voltage and current being supplied to interferometer antenna battle array, X86 board, electronic compass, receiver and WIFI module is respectively respectively: 5V/420mA, 12V/1000mA, 5V/10mA, 6V/2000mA, 5V/200mA.
The model of described X86 board is COME1054-02.Receiver adopts the USRPB210 of Ettus.
Short-circuit protection circuit is protected power management plate.
As shown in Figure 2, described short-circuit protection circuit comprises K switch 1 and control circuit; Described K switch 1 is arranged on the positive pole line of power input interface and pressurizer, whether be connected with between pressurizer input anode Vout+ for controlling power input interface positive pole Vin+, described control circuit disconnects for controlling K switch 1 when short circuit, when short circuit recovers, control K switch 1 closes;
Described K switch 1 is relay, and the dynamic point of described relay is connected with power input interface positive pole Vin+, and the contact of relay is connected with pressurizer input anode Vout+, and the control end of relay is connected with control circuit;
Described control circuit comprises triode Q1, triode Q2, resistance R1, resistance R2, resistance R3; Described resistance R3 and resistance R2 contacts and forms bleeder circuit, another termination power input interface negative pole Vin-of another termination power input interface positive pole Vin+ of resistance R3, resistance R2;
Described triode Q1 is NPN type triode; The emitter of triode Q1 is connected with power input interface negative pole Vin-, the base stage connecting resistance R3 of triode Q1 and the points of common connection of resistance R2, and the collector electrode of triode Q1 is connected with the control end of relay;
Described triode Q2 is PNP type triode; The emitter of triode Q2 is connected with the base stage of described triode Q1, and the collector electrode of triode Q2 is connected with power input interface negative pole Vin-, and the base stage of triode Q2 meets pressurizer input anode Vout+ by resistance R1.
Described short-circuit protection circuit also comprises an inductance L 1, and described inductance L 1 is arranged between power input interface positive pole Vin+ and the dynamic point of relay.
Described short-circuit protection circuit also comprises a diode D1, and the anode of described diode D1 is connected with the collector electrode of described triode Q1, and the negative electrode of diode D1 is connected with voltage input interface positive pole.
Power input interface positive pole Vin+ forms potential-divider network through resistance R3 and resistance R2 and obtains voltage Vb, when Vb is greater than the drive threshold of triode Q1, triode Q1 conducting, triode Q1 conducting makes the K switch 1 on relay close, power input interface Vin+ arrives the power input Vout+ of output and pressurizer through K1, now, the power input voltage Vout+ arriving pressurizer equals power input interface cathode voltage Vin+, and triode Q2 ends.
When short circuit (namely Vout+ and Vout-is shorted together) appears in power input interface positive pole, triode Q2 conducting, now Vb=0V, triode Q1 end, and the K switch 1 on relay disconnects, and input terminal voltage can not be influenced because of output short circuit.Before output short circuit is not removed, triode Q2 conducting always, triode Q1 ends, and the K switch 1 on relay is in off-state.
When output short circuit is removed, triode Q2 ends, triode Q1 conducting, and the K switch 1 on relay closes, and output end voltage equals input terminal voltage; Inductance L 1 prevents output transcient short circuit time on the impact of input.
Claims (4)
1. a lift-off interferometer power management plate; it is characterized in that: comprise a power input interface, five pressurizers and five voltage output interfaces; power input interface is connected with external power source; five pressurizers are all connected with voltage input interface; the output of five pressurizers is connected with interferometer antenna battle array, X86 board, electronic compass, receiver and WIFI module respectively by voltage output interface, between each pressurizer and voltage input interface, be also provided with short-circuit protection circuit.
2. one lift-off interferometer power management plate according to claim 1, is characterized in that: described short-circuit protection circuit comprises K switch 1 and control circuit; Described K switch 1 is arranged on the positive pole line of power input interface and pressurizer, whether be connected with between pressurizer input anode Vout+ for controlling power input interface positive pole Vin+, described control circuit disconnects for controlling K switch 1 when short circuit, when short circuit recovers, control K switch 1 closes;
Described K switch 1 is relay, and the dynamic point of described relay is connected with power input interface positive pole Vin+, and the contact of relay is connected with pressurizer input anode Vout+, and the control end of relay is connected with control circuit;
Described control circuit comprises triode Q1, triode Q2, resistance R1, resistance R2, resistance R3; Described resistance R3 and resistance R2 contacts and forms bleeder circuit, another termination power input interface negative pole Vin-of another termination power input interface positive pole Vin+ of resistance R3, resistance R2;
Described triode Q1 is NPN type triode; The emitter of triode Q1 is connected with power input interface negative pole Vin-, the base stage connecting resistance R3 of triode Q1 and the points of common connection of resistance R2, and the collector electrode of triode Q1 is connected with the control end of relay;
Described triode Q2 is PNP type triode; The emitter of triode Q2 is connected with the base stage of described triode Q1, and the collector electrode of triode Q2 is connected with power input interface negative pole Vin-, and the base stage of triode Q2 meets pressurizer input anode Vout+ by resistance R1.
3. one lift-off interferometer power management plate according to claim 2, it is characterized in that: described short-circuit protection circuit also comprises an inductance L 1, described inductance L 1 is arranged between power input interface positive pole Vin+ and the dynamic point of relay.
4. one lift-off interferometer power management plate according to claim 2; it is characterized in that: described short-circuit protection circuit also comprises a diode D1; the anode of described diode D1 is connected with the collector electrode of described triode Q1, and the negative electrode of diode D1 is connected with voltage input interface positive pole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520823979.2U CN205178540U (en) | 2015-10-23 | 2015-10-23 | Interferometer power consumption source control board goes up to air |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520823979.2U CN205178540U (en) | 2015-10-23 | 2015-10-23 | Interferometer power consumption source control board goes up to air |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205178540U true CN205178540U (en) | 2016-04-20 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520823979.2U Active CN205178540U (en) | 2015-10-23 | 2015-10-23 | Interferometer power consumption source control board goes up to air |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205178540U (en) |
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2015
- 2015-10-23 CN CN201520823979.2U patent/CN205178540U/en active Active
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |