CN201994716U - Distribution circuit of navigation controller - Google Patents
Distribution circuit of navigation controller Download PDFInfo
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- CN201994716U CN201994716U CN2010206962981U CN201020696298U CN201994716U CN 201994716 U CN201994716 U CN 201994716U CN 2010206962981 U CN2010206962981 U CN 2010206962981U CN 201020696298 U CN201020696298 U CN 201020696298U CN 201994716 U CN201994716 U CN 201994716U
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Abstract
The utility model relates to a distribution circuit of a navigation controller, comprising a steering electric control unit and a power switching unit, wherein the steering electric control unit comprises a missile-borne power relay K1, a first switch circuit U2 and a first amplifying circuit U3, the missile-borne power relay K1 comprises a missile-borne relay coil KA, a first normally-open contact K11 and a second normally-open contact K12, and the first switch circuit U2 comprises a first transistor V2. By adopting an electromagnetic relay, the distribution circuit realizes the switching between power supply for the combined navigation controller by a ground power supply and a missile-borne power supply. The distribution circuit is realized completely by an analog circuit, thus being fewer in the quantities and types of components, simple and reliable compared with the existing analog and digital hybrid circuits.
Description
Technical field
The utility model relates to a kind of navigation controller power distribution circuit.
Background technology
The conducting that traditional navigation controller power distribution circuit requires configuration one cover dedicated control circuit to come control relay, simulation, numeral are used with, the circuit complexity, cost is higher.
Summary of the invention
In order to solve the circuit complexity of existing navigation controller power distribution circuit, the cost technical problems of high, the utility model provides a kind of navigation controller power distribution circuit.
Technical solution of the present utility model is:
A kind of navigation controller power distribution circuit is characterized in that: comprise changeing electric control unit, power supply switch unit; Described commentaries on classics electric control unit comprises missile power supply relay K 1, the first switching circuit U2, the first amplifying circuit U3; Described missile power supply relay K 1 comprises relay coil KA on the bullet, the first normally opened contact K11, the second normally opened contact K12; The described first switching circuit U2 comprises the first triode V2; The base stage of the described first triode V2 connects the input pulse control signal, connects the end of the second normally opened contact K12 simultaneously by the first current-limiting resistance R3, and collector electrode connects missile power supply by the second current-limiting resistance R4, and emitter is by the first divider resistance R5 ground connection; Another termination missile power supply of the described second normally opened contact K12; The described first amplifying circuit U3 comprises the second triode V3; The base stage of the described second triode V3 connects the emitter of the first triode V2, and collector electrode connects the end of relay coil KA on the bullet, grounded emitter; Another termination missile power supply of relay coil KA on the bullet; The termination missile power supply of the described first normally opened contact K11, another termination controller load RL; Described power supply switch unit comprises ground power supply relay K 2, second switch circuit U 6, the second amplifying circuit U7; Described ground power supply relay K 2 comprises ground relay coil KB, normally opened contact K21; Described second switch circuit U 6 comprises protective resistance R7, the 3rd current-limiting resistance R8, the 3rd triode V4; The base stage of described the 3rd triode V4 is connected between the first normally opened contact K11 and the controller load RL simultaneously by protective resistance R7 ground connection, and collector electrode is by the 3rd current-limiting resistance R8 ground plane power supply, grounded emitter; The described second amplifying circuit U7 comprises the 4th triode V5; The base stage of described the 4th triode V5 connects the collector electrode of the 3rd triode V4, the end of grounded collector face relay coil KB, grounded emitter; The other end ground plane power supply of ground relay coil KB; The termination ground power supply of described normally opened contact K21, another termination controller load RL.
Foregoing circuit also comprises buffer circuit U1; Described buffer circuit U1 comprises photoelectrical coupler V1, the 4th current-limiting resistance R1, the second divider resistance R2; The high termination input pulse of the input of described photoelectrical coupler V1 control signal, the low termination control signal of input ground, high termination the 4th current-limiting resistance R1 of the output of described photoelectrical coupler V1, the base stage of the low termination second divider resistance R2 of output and the first triode V2; Another termination missile power supply of described the 4th current-limiting resistance R1; The other end ground connection of described divider resistance R2.
Foregoing circuit also comprises delay circuit U5; Described delay circuit U5 comprises charging resistor R6 and charging capacitor C; One of described charging resistor R6 terminates between the first normally opened contact K11 and the controller load RL, the base stage of another termination the 3rd triode V4, the base stage of a termination the 3rd triode V4 of described charging capacitor C, other end ground connection.
Foregoing circuit also comprises isolation protective circuit U4; Described isolation protective circuit U4 comprises the first diode V6 and the second diode V7; The described first diode V6 is serially connected between the first normally opened contact K11 and the controller load RL; Between described second diode V7 serial connection normally opened contact K21 and the controller load RL.
The above-mentioned first diode V6 and the second diode V7 are high-power Schottky diode.
The utility model navigation controller power distribution circuit has the following advantages:
1, the utility model navigation controller power distribution circuit does not need complicated dedicated control circuit, has realized the commentaries on classics electric work energy between ground power supply and the navigation controller reliably.
2, the utility model adopts electromagnetic relay to realize that power supply is to the conversion between the power supply of integrated navigation controller on surface power supply power supply and the bullet.This circuit realizes with analog circuit that fully simulation, numeral are used circuit with before the contrast, and component number, kind are less, and circuit is simple, reliable.
3, the utility model has designed the relay latching circuit, has realized that single pulse control triggers function, and after changeing the electric control signal end, no longer suspension control signal influence of relay is to prevent the influence to the relay operating state of false triggering or other interference signals.
4, the utility model adopts current amplification circuit to promote relay coil work, makes relay coil be in optimum Working.
5, the utility model adopts delay circuit control, make on the bullet power supply and the surface power supply power supply is overlapping in a period of time that the integrated navigation controller is powered, and then cut off the surface power supply power supply, guarantee to change in the electric process to lasting, the reliable power supply of integrated navigation controller.
6, the utility model output adopts high-power Schottky diode oppositely to cut off, and prevents the mutual interference mutually of power supply on surface power supply power supply and the bullet, reduces the wastage the raising power supplying efficiency simultaneously.
Description of drawings
Fig. 1 is a schematic block circuit diagram of the present utility model;
Fig. 2 is a circuit interconnect pattern of the present utility model.
Embodiment
Navigation controller power distribution circuit of the present invention comprises changeing electric control unit, power supply switch unit, buffer circuit U1, delay circuit U5, isolation protective circuit U4; Buffer circuit U1 comprises photoelectrical coupler V1, the 4th current-limiting resistance R1, the second divider resistance R2; Delay circuit U5 comprises charging resistor R6 and charging capacitor C; Isolation protective circuit U4 comprises the first diode V6 and the second diode V7;
Change electric control unit and comprise missile power supply relay K 1, the first switching circuit U2, the first amplifying circuit U3; Missile power supply relay K 1 comprises relay coil KA on the bullet, the first normally opened contact K11, the second normally opened contact K12; The first switching circuit U2 comprises the first triode V2; The base stage of the first triode V2 connects the input pulse control signal by buffer circuit, connect the end of the second normally opened contact K12 simultaneously by the first current-limiting resistance R3, collector electrode connects missile power supply by the second current-limiting resistance R4, and emitter is by the first divider resistance R5 ground connection; Another termination missile power supply of the second normally opened contact K12; The first amplifying circuit U3 comprises the second triode V3; The base stage of the second triode V3 connects the emitter of the first triode V2, and collector electrode connects the end of relay coil KA on the bullet, grounded emitter; Another termination missile power supply of relay coil KA on the bullet; The termination missile power supply of the first normally opened contact K11, another termination controller load RL;
The power supply switch unit comprises ground power supply relay K 2, second switch circuit U 6, the second amplifying circuit U7; State ground power supply relay K 2 and comprise ground relay coil KB, normally opened contact K21; Second switch circuit U 6 comprises protective resistance R7, the 3rd current-limiting resistance R8, the 3rd triode V4; The base stage of the 3rd triode V4 is connected between the first normally opened contact K11 and the controller load RL by charging resistor R6 simultaneously by protective resistance R7 ground connection, and collector electrode is by the 3rd current-limiting resistance R8 ground plane power supply, grounded emitter; The second amplifying circuit U7 comprises the 4th triode V5; The base stage of the 4th triode V5 connects the collector electrode of the 3rd triode V4, the end of grounded collector face relay coil KB, grounded emitter; The other end ground plane power supply of ground relay coil KB; The termination ground power supply of normally opened contact K21, another termination controller load RL.The high termination input pulse of the input of photoelectrical coupler V1 control signal, the low termination control signal of input ground, high termination the 4th current-limiting resistance R1 of the output of photoelectrical coupler V1, the base stage of the low termination second divider resistance R2 of output and the first triode V2; Another termination missile power supply of the 4th current-limiting resistance R1; The other end ground connection of divider resistance R2.Prolong the base stage of a termination the 3rd triode V4 of charging capacitor C, other end ground connection.The first diode V6 is serially connected between the first normally opened contact K11 and the controller load RL; Between second diode V7 serial connection normally opened contact K21 and the controller load RL.
The first diode V6 and the preferred high-power Schottky diode of the second diode V7.The effect of Schottky diode V6, V7 is to prevent that the power supply that voltage is low becomes the load of the high power supply of voltage when a supply voltage is lower than another one supply voltage.
The utility model course of work:
After ground power supply powers on, relay K 2 adhesives, the integrated navigation controller is powered by ground power supply.When system need change electricity, at first missile power supply powered on, and not adhesive of relay K 1 is so the integrated navigation controller is still powered separately by ground power supply.Changeing the signal of telecommunication (28 ± 3V pulse, width 200ms ± 20ms; ) when arriving, isolate output by photoelectrical coupler V1, signal promotes relay coil KA on the bullet of relay K 1 by the first amplifying circuit U3, make the first normally opened contact K11 and the second normally opened contact K12 contact adhesive.The second normally opened contact K12 contact adhesive is connected to the first amplifying circuit U3, and for relay coil KA on the bullet provides electric current, the first normally opened contact K11 keeps attracting state, relay K 1 self-locking.After pulse signal ends, relay K 1 self-locking, the contact keeps attracting state, at this moment, misoperation or other interference signals occur even change the signal of telecommunication, and relay K 1 also is always attracting state.After relay K 1 adhesive, the integrated navigation controller is by power supply on the bullet and the high person's power supply of surface power supply power source voltage.Light-coupled isolation is used to isolate the ground of missile power supply and changes the ground that the signal of telecommunication produces circuit.
On the bullet power supply by behind the delay circuit through the second amplifying circuit U7, the ground relay coil KB current supply circuit of relay K 2 is opened circuit, the normally opened contact K21 of relay K 2 disconnects, ground power supply stops to power to the integrated navigation controller, the delay circuit advantage is to guarantee to have on the bullet power supply and surface power supply power supply overlapping time, guarantee that during changeing electricity the integrated navigation controller can power down, improve the reliability of power supply.
Claims (5)
1. a navigation controller power distribution circuit is characterized in that: comprise changeing electric control unit, power supply switch unit; Described commentaries on classics electric control unit comprises missile power supply relay K 1, the first switching circuit U2, the first amplifying circuit U3; Described missile power supply relay K 1 comprises relay coil KA on the bullet, the first normally opened contact K11, the second normally opened contact K12; The described first switching circuit U2 comprises the first triode V2; The base stage of the described first triode V2 connects the input pulse control signal, connects the end of the second normally opened contact K12 simultaneously by the first current-limiting resistance R3, and collector electrode connects missile power supply by the second current-limiting resistance R4, and emitter is by the first divider resistance R5 ground connection; Another termination missile power supply of the described second normally opened contact K12; The described first amplifying circuit U3 comprises the second triode V3; The base stage of the described second triode V3 connects the emitter of the first triode V2, and collector electrode connects the end of relay coil KA on the bullet, grounded emitter; Another termination missile power supply of relay coil KA on the bullet; The termination missile power supply of the described first normally opened contact K11, another termination controller load RL; Described power supply switch unit comprises ground power supply relay K 2, second switch circuit U 6, the second amplifying circuit U7; Described ground power supply relay K 2 comprises ground relay coil KB, normally opened contact K21; Described second switch circuit U 6 comprises protective resistance R7, the 3rd current-limiting resistance R8, the 3rd triode V4; The base stage of described the 3rd triode V4 is connected between the first normally opened contact K11 and the controller load RL simultaneously by protective resistance R7 ground connection, and collector electrode is by the 3rd current-limiting resistance R8 ground plane power supply, grounded emitter; The described second amplifying circuit U7 comprises the 4th triode V5; The base stage of described the 4th triode V5 connects the collector electrode of the 3rd triode V4, the end of grounded collector face relay coil KB, grounded emitter; The other end ground plane power supply of ground relay coil KB; The termination ground power supply of described normally opened contact K21, another termination controller load RL.
2. navigation controller power distribution circuit according to claim 1 is characterized in that: also comprise buffer circuit U1; Described buffer circuit U1 comprises photoelectrical coupler V1, the 4th current-limiting resistance R1, the second divider resistance R2; The high termination input pulse of the input of described photoelectrical coupler V1 control signal, the low termination control signal of input ground, high termination the 4th current-limiting resistance R1 of the output of described photoelectrical coupler V1, the base stage of the low termination second divider resistance R2 of output and the first triode V2; Another termination missile power supply of described the 4th current-limiting resistance R1; The other end ground connection of described divider resistance R2.
3. navigation controller power distribution circuit according to claim 1 and 2 is characterized in that: also comprise delay circuit U5; Described delay circuit U5 comprises charging resistor R6 and charging capacitor C; One of described charging resistor R6 terminates between the first normally opened contact K11 and the controller load RL, the base stage of another termination the 3rd triode V4, the base stage of a termination the 3rd triode V4 of described charging capacitor C, other end ground connection.
4. navigation controller power distribution circuit according to claim 3 is characterized in that: also comprise isolation protective circuit U4; Described isolation protective circuit U4 comprises the first diode V6 and the second diode V7; The described first diode V6 is serially connected between the first normally opened contact K11 and the controller load RL; Between described second diode V7 serial connection normally opened contact K21 and the controller load RL.
5. navigation controller power distribution circuit according to claim 4 is characterized in that: the described first diode V6 and the second diode V7 are high-power Schottky diode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206962981U CN201994716U (en) | 2010-12-31 | 2010-12-31 | Distribution circuit of navigation controller |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206962981U CN201994716U (en) | 2010-12-31 | 2010-12-31 | Distribution circuit of navigation controller |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201994716U true CN201994716U (en) | 2011-09-28 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010206962981U Expired - Lifetime CN201994716U (en) | 2010-12-31 | 2010-12-31 | Distribution circuit of navigation controller |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201994716U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103064497A (en) * | 2011-10-21 | 2013-04-24 | 研祥智能科技股份有限公司 | Power source delayed power supply device, network main board and network host |
| CN106130530A (en) * | 2016-06-30 | 2016-11-16 | 北京航天新风机械设备有限责任公司 | On a kind of bullet, electrical control is combined embedded isolation control signal and is produced circuit |
-
2010
- 2010-12-31 CN CN2010206962981U patent/CN201994716U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103064497A (en) * | 2011-10-21 | 2013-04-24 | 研祥智能科技股份有限公司 | Power source delayed power supply device, network main board and network host |
| CN103064497B (en) * | 2011-10-21 | 2017-11-24 | 研祥智能科技股份有限公司 | Power supply Time-delay power supply unit, network main board and network host |
| CN106130530A (en) * | 2016-06-30 | 2016-11-16 | 北京航天新风机械设备有限责任公司 | On a kind of bullet, electrical control is combined embedded isolation control signal and is produced circuit |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20110928 |
|
| CX01 | Expiry of patent term |