CN117240281A - Input-output controllable setting interface circuit - Google Patents
Input-output controllable setting interface circuit Download PDFInfo
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- CN117240281A CN117240281A CN202311189968.9A CN202311189968A CN117240281A CN 117240281 A CN117240281 A CN 117240281A CN 202311189968 A CN202311189968 A CN 202311189968A CN 117240281 A CN117240281 A CN 117240281A
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- 239000003990 capacitor Substances 0.000 claims description 26
- 239000013078 crystal Substances 0.000 claims description 18
- 238000010586 diagram Methods 0.000 description 5
- 238000004891 communication Methods 0.000 description 2
- 238000004590 computer program Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000002457 bidirectional effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000004146 energy storage Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
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Abstract
The invention discloses an input-output controllable setting interface circuit, which is applied to a fuze control circuit and comprises the following components: the control unit is used for sending a setting output signal to the fuze control circuit and receiving a setting response signal from the fuze control circuit; the relay unit is used for conducting the control unit and the fuze control circuit before the control unit sends a set output signal to the fuze control circuit; an output driving unit for introducing a set output signal into the fuse control circuit when the control unit transmits the set output signal to the fuse control circuit; a reception driving unit for introducing a setting answer signal into the control unit when the control unit receives the setting answer signal from the fuze control circuit; the invention can realize the input and output control of the setting signal and improve the safety of the system.
Description
Technical Field
The invention relates to an input/output controllable setting interface circuit, and belongs to the technical field of circuit design.
Background
The setting technology comprises two kinds of wireless setting and wired setting. The wired setting has the advantages of no interference from external environment, simple circuit structure, high setting reliability and the like, and is widely used. Setting interface circuits are often used in fuze control systems for communication between a surface setter or a forwarding setter and a fuze control circuit. The communication quality of the interface circuit is determined to be critical to the working safety of the fuze control system.
Disclosure of Invention
The invention aims to overcome the defects in the prior art, and provides an input/output controllable setting interface circuit which can realize setting signal input/output control and improve the safety of a fuze control system.
In order to achieve the above purpose, the invention is realized by adopting the following technical scheme:
the invention provides an input-output controllable setting interface circuit, which is applied to a fuze control circuit and comprises the following components:
the control unit is used for sending a setting output signal to the fuze control circuit and receiving a setting response signal from the fuze control circuit;
the relay unit is used for conducting the control unit and the fuze control circuit before the control unit sends a set output signal to the fuze control circuit;
an output driving unit for introducing a set output signal into the fuse control circuit when the control unit transmits the set output signal to the fuse control circuit;
and the receiving driving unit is used for introducing the setting response signal into the control unit when the control unit receives the setting response signal from the fuze control circuit.
Optionally, the control unit includes a singlechip D1, a power VCC, a capacitor C1, a capacitor C2, a capacitor C3, and a crystal oscillator XT1; the power supply ends of the singlechip D1 and the crystal oscillator XT1 are connected to a power supply VCC, the grounding ends of the singlechip D1 and the crystal oscillator XT1 are grounded, the clock end of the singlechip is connected to the output end of the crystal oscillator XT1, the enabling end of the crystal oscillator XT1 is externally connected with an enabling signal, the clock end of the singlechip D1 and the output end of the crystal oscillator XT1 are grounded through a capacitor C1, and the power supply VCC is grounded through a capacitor C2 and a capacitor C3; the serial port GP3 and the serial port GP4 of the singlechip D1 are respectively used for receiving the setting response signal and sending the setting output signal.
Optionally, the serial port GP0, the serial port GP1, and the serial port GP2 of the singlechip D1 are respectively used for sending a control signal of the relay unit, sending a control signal of the output driving unit, and sending a control signal of the receiving driving unit.
Optionally, the relay unit includes double-circuit relay JR1, +5v power, electric capacity C4, resistance R8 and triode V4, triode V4's base passes through the external relay control's of resistance R8 signal, triode V4's collecting electrode is connected to +5v power through double-circuit relay JR 1's coil end JR1A, triode V4's transmitter ground connection, +5v power passes through electric capacity C4 ground connection.
Optionally, the output driving unit includes a resistor R1, a resistor R2, a resistor R3, a resistor R4, a resistor R5, a resistor R6, a resistor R7, a resistor R9, a triode V1, a triode V2, a diode VD1, and an analog switch D2; one end of the resistor R2 is connected to a port for transmitting a set output signal of the control unit and one end of the resistor R1, the other end of the resistor R2 is connected to the base electrode of the triode V1, and the other end of the resistor R1 and the emitter electrode of the triode V1 are grounded; the collector of triode V1 is connected to one end of resistance R3, the other end of resistance R3 is connected to one end of resistance R4 and the base of triode V2, the other end of resistance R4 and the collector of triode V2 are connected to +5V power, the one way of triode V2's projecting pole is connected to fuze control circuit's positive end serial port through diode VD1, resistance R6, double-circuit relay JR 1's contact end JR1B, resistance R9's one end is connected to between resistance R6 and double-circuit relay JR 1's contact end JR1B, resistance R9's the other end passes through analog switch D2's contact ground connection, analog switch D2's control end external output drive unit's control signal, the other way of triode V2's projecting pole is connected to fuze control circuit's negative end serial port through resistance R5, double-circuit JR 1's contact end JR1C, resistance R5 and double-circuit JR 1's contact end JR 1's C tie point ground connection.
Optionally, the receiving driving unit includes a +5v power supply, a resistor R10, a resistor R11, a resistor R12, a resistor R13, a transistor V3, a diode VD2, an analog switch D3, and an analog switch D4; one end of the resistor R10 is connected to a +5V power supply, the other end of the resistor R10 is connected to a port of a control unit for receiving a set response signal and a collector of the triode V3, an emitter of the triode V3 is grounded, one path of a base of the triode V3 is connected to a positive end serial port of the fuse control circuit through a diode VD2, a contact end of the analog switch D3 and a resistor R12, the other path of the base of the triode V3 is grounded through a resistor R11, control ends of the analog switch D3 and the analog switch D4 are externally connected with control signals of a driving unit, one end of the resistor R13 is connected to the +5V power supply, and the other end of the resistor R13 is connected to a negative end serial port of the fuse control circuit through a contact end of the analog switch D4.
Compared with the prior art, the invention has the beneficial effects that:
the input-output controllable setting interface circuit provided by the invention has the advantages that the setting output signals are sent by the control unit and the setting response signals are received, and in the sending and receiving stages, the output driving unit and the receiving driving unit are respectively used for distinguishing, so that the bidirectional reading and writing of data are realized, the input-output control of the setting signals is realized, and the safety of a system is improved.
Drawings
FIG. 1 is a block diagram of an input/output controllable interface circuit according to an embodiment of the present invention;
FIG. 2 is a schematic circuit diagram of a control unit provided by an embodiment of the present invention;
fig. 3 is a schematic circuit diagram of a relay unit according to an embodiment of the present invention;
FIG. 4 is a schematic circuit diagram of an output driving unit according to an embodiment of the present invention;
fig. 5 is a schematic circuit diagram of a receiving driving unit according to an embodiment of the present invention.
Detailed Description
The invention is further described below with reference to the accompanying drawings. The following examples are only for more clearly illustrating the technical aspects of the present invention, and are not intended to limit the scope of the present invention.
Embodiment one:
as shown in fig. 1, the present invention provides an input/output controllable setting interface circuit, which is applied to a fuse control circuit, and comprises:
(1) The control unit is used for sending a setting output signal to the fuze control circuit and receiving a setting response signal from the fuze control circuit;
as shown in fig. 2, in this embodiment, the control unit includes a single-chip microcomputer D1 (such as a PIC12F629 type single-chip microcomputer in fig. 2), a power source VCC, a capacitor C1, a capacitor C2, a capacitor C3, and a crystal oscillator XT1; the power supply ends of the singlechip D1 and the crystal oscillator XT1 are connected to a power supply VCC, the grounding ends of the singlechip D1 and the crystal oscillator XT1 are grounded, the clock end of the singlechip is connected to the output end of the crystal oscillator XT1, the enabling end of the crystal oscillator XT1 is externally connected with an enabling signal, the clock end of the singlechip D1 and the output end of the crystal oscillator XT1 are grounded through a capacitor C1, and the power supply VCC is grounded through a capacitor C2 and a capacitor C3; the serial port GP3 and the serial port GP4 of the singlechip D1 are respectively used for receiving the setting response signal YDXH and sending the setting output signal ZDXH. The capacitors C1, C2, and C3 are filter capacitors.
(2) The relay unit is used for conducting the control unit and the fuze control circuit before the control unit sends a setting output signal to the fuze control circuit;
as shown in fig. 3, in this embodiment, the relay unit includes a two-way relay JR1, +5v power supply, a capacitor C4, a resistor R8, and a triode V4, the base of the triode V4 is externally connected to a relay-controlled signal K1 through the resistor R8, the collector of the triode V4 is connected to the +5v power supply through a coil end JR1A of the two-way relay JR1, the emitter of the triode V4 is grounded, and the +5v power supply is grounded through the capacitor C4. Wherein, the capacitor C4 is an energy storage capacitor.
(3) The output driving unit is used for introducing the setting output signal into the fuze control circuit when the control unit sends the setting output signal to the fuze control circuit;
as shown in fig. 4, in the present embodiment, the output driving unit includes a resistor R1, a resistor R2, a resistor R3, a resistor R4, a resistor R5, a resistor R6, a resistor R7, a resistor R9, a transistor V1, a transistor V2, a diode VD1, and an analog switch D2; one end of a resistor R2 is connected to a port of the control unit for transmitting a set output signal ZDXH and one end of a resistor R1, the other end of the resistor R2 is connected to the base electrode of a triode V1, and the other end of the resistor R1 and the emitter electrode of the triode V1 are grounded; the collector of the triode V1 is connected to one end of a resistor R3, the other end of the resistor R3 is connected to one end of a resistor R4 and the base of a triode V2, the other end of the resistor R4 and the collector of the triode V2 are connected to a +5V power supply, one path of the emitter of the triode V2 is connected to a positive serial port loading+ of a fuse control circuit through a diode VD1, a resistor R6 and a contact end JR1B of a double-way relay JR1, one end of a resistor R9 is connected between the resistor R6 and the contact end JR1B of the double-way relay JR1, the other end of the resistor R9 is grounded through a contact point of an analog switch D2, the control end of the analog switch D2 is externally connected with a control signal MNKZ1 of a driving unit, and the other path of the emitter of the triode V2 is connected to a connection point of a negative serial port Loading-type resistor R5 and a contact end JR1C of the fuse control circuit through a resistor R5 and a contact end JR1C of the double-way relay JR 1. The resistors R6 and R7 are output current limiting resistors.
(4) And the receiving driving unit is used for introducing the setting response signal into the control unit when the control unit receives the setting response signal from the fuze control circuit.
As shown in fig. 5, in the present embodiment, the receiving driving unit includes a +5v power supply, a resistor R10, a resistor R11, a resistor R12, a resistor R13, a transistor V3, a diode VD2, an analog switch D3, and an analog switch D4; one end of a resistor R10 is connected to a +5V power supply, the other end of the resistor R10 is connected to a port of a control unit for receiving a setting response signal YDXH and a collector of a triode V3, an emitter of the triode V3 is grounded, one path of a base of the triode V3 is connected to a positive end serial port of a fuse control circuit through a diode VD2 and a contact end of an analog switch D3, the other path of the base of the triode V3 is grounded through a resistor R11, control ends of the analog switch D3 and the analog switch D4 are externally connected with a control signal MNKZ2 of a receiving driving unit, one end of a resistor R13 is connected to the +5V power supply, and the other end of the resistor R13 is connected to a negative end serial port of the fuse control circuit through a contact end of the analog switch D4.
In an alternative implementation manner, the control signal K1 of the relay unit, the control signal ZDXH of the output driving unit and the control signal ZDXH of the receiving driving unit are generated and transmitted through the singlechip D1 of the control unit, and the serial port GP0, the serial port GP1 and the serial port GP2 of the singlechip D1 are respectively used for transmitting the control signal of the relay unit, transmitting the control signal of the output driving unit and transmitting the control signal of the receiving driving unit; in other alternative embodiments, the control signal K1 of the relay unit, the control signal ZDXH of the output driving unit, the control signal ZDXH of the receiving driving unit may also be generated and transmitted by other microprocessors.
The working principle of this embodiment is as follows:
after power-on, the singlechip D1 starts to work, outputs a control signal K1 of the relay unit, and after the contact end JR1B, JR C of the two-way relay JR1 is attracted, an input and output end (GP 3 or GP 4) of the control unit is connected with an input and output end (loading+ and Loading-) of the fuze control circuit.
When the setting signal ZDXH needs to be output, the control signal MNKZ1 of the analog switch D2 is at a low level, the contact terminal of the analog switch D2 is opened, and the setting output signal ZDXH enters the fuze control circuit (loading+) through the resistor R2, the triode V1, the resistor R3, the triode V2, the diode VD1, the resistors R6 and R7. When the setting signal is not required to be output, the control signal MNKZ1 of the analog switch D2 is high level, the analog switch D2 is conducted, and the positive end and the negative end of the setting signal input and output are short-circuited.
When the setting response signal YDXH of the fuze control circuit needs to be received, the control signals MNKZ2 of the analog switches D3 and D4 are in high level, the analog switches D3 and D4 are conducted, and the setting response signal YDXH enters the singlechip (GP 3) through the loading+ end, the analog switch D3, the diode VD2 and the triode V3. When the response signal does not need to be received, the analog switches D3 and D4 control signals MNKZ2 are at high level, and the analog switches D3 and D4 are turned off.
It will be appreciated by those skilled in the art that embodiments of the present invention may be provided as a method, system, or computer program product. Accordingly, the present invention may take the form of an entirely hardware embodiment, an entirely software embodiment or an embodiment combining software and hardware aspects. Furthermore, the present invention may take the form of a computer program product embodied on one or more computer-usable storage media (including, but not limited to, disk storage, CD-ROM, optical storage, and the like) having computer-usable program code embodied therein.
The foregoing is merely a preferred embodiment of the present invention, and it should be noted that modifications and variations could be made by those skilled in the art without departing from the technical principles of the present invention, and such modifications and variations should also be regarded as being within the scope of the invention.
Claims (6)
1. An input/output controllable setting interface circuit applied to a fuze control circuit, comprising:
the control unit is used for sending a setting output signal to the fuze control circuit and receiving a setting response signal from the fuze control circuit;
the relay unit is used for conducting the control unit and the fuze control circuit before the control unit sends a set output signal to the fuze control circuit;
an output driving unit for introducing a set output signal into the fuse control circuit when the control unit transmits the set output signal to the fuse control circuit;
and the receiving driving unit is used for introducing the setting response signal into the control unit when the control unit receives the setting response signal from the fuze control circuit.
2. The input/output controllable setting interface circuit according to claim 1, wherein the control unit comprises a single chip microcomputer D1, a power supply VCC, a capacitor C1, a capacitor C2, a capacitor C3, and a crystal oscillator XT1; the power supply ends of the singlechip D1 and the crystal oscillator XT1 are connected to a power supply VCC, the grounding ends of the singlechip D1 and the crystal oscillator XT1 are grounded, the clock end of the singlechip is connected to the output end of the crystal oscillator XT1, the enabling end of the crystal oscillator XT1 is externally connected with an enabling signal, the clock end of the singlechip D1 and the output end of the crystal oscillator XT1 are grounded through a capacitor C1, and the power supply VCC is grounded through a capacitor C2 and a capacitor C3; the serial port GP3 and the serial port GP4 of the singlechip D1 are respectively used for receiving the setting response signal and sending the setting output signal.
3. The input/output controllable setting interface circuit according to claim 2, wherein the serial port GP0, the serial port GP1, and the serial port GP2 of the single-chip microcomputer D1 are respectively used for sending a control signal of the relay unit, sending a control signal of the output driving unit, and sending a control signal of the receiving driving unit.
4. The input/output controllable setting interface circuit according to claim 1, wherein the relay unit comprises a two-way relay JR1, +5v power supply, a capacitor C4, a resistor R8 and a triode V4, wherein a base electrode of the triode V4 is externally connected with a relay-controlled signal through the resistor R8, a collector electrode of the triode V4 is connected to the +5v power supply through a coil end JR1A of the two-way relay JR1, an emitter of the triode V4 is grounded, and the +5v power supply is grounded through the capacitor C4.
5. The input/output controllable setting interface circuit according to claim 4, wherein the output driving unit comprises a resistor R1, a resistor R2, a resistor R3, a resistor R4, a resistor R5, a resistor R6, a resistor R7, a resistor R9, a transistor V1, a transistor V2, a diode VD1, and an analog switch D2; one end of the resistor R2 is connected to a port for transmitting a set output signal of the control unit and one end of the resistor R1, the other end of the resistor R2 is connected to the base electrode of the triode V1, and the other end of the resistor R1 and the emitter electrode of the triode V1 are grounded; the collector of triode V1 is connected to one end of resistance R3, the other end of resistance R3 is connected to one end of resistance R4 and the base of triode V2, the other end of resistance R4 and the collector of triode V2 are connected to +5V power, the one way of triode V2's projecting pole is connected to fuze control circuit's positive end serial port through diode VD1, resistance R6, double-circuit relay JR 1's contact end JR1B, resistance R9's one end is connected to between resistance R6 and double-circuit relay JR 1's contact end JR1B, resistance R9's the other end passes through analog switch D2's contact ground connection, analog switch D2's control end external output drive unit's control signal, the other way of triode V2's projecting pole is connected to fuze control circuit's negative end serial port through resistance R5, double-circuit JR 1's contact end JR1C, resistance R5 and double-circuit JR 1's contact end JR 1's C tie point ground connection.
6. The input/output controllable setting interface circuit according to claim 1, wherein the receiving driving unit comprises a +5v power supply, a resistor R10, a resistor R11, a resistor R12, a resistor R13, a transistor V3, a diode VD2, an analog switch D3, and an analog switch D4; one end of the resistor R10 is connected to a +5V power supply, the other end of the resistor R10 is connected to a port of a control unit for receiving a set response signal and a collector of the triode V3, an emitter of the triode V3 is grounded, one path of a base of the triode V3 is connected to a positive end serial port of the fuse control circuit through a diode VD2, a contact end of the analog switch D3 and a resistor R12, the other path of the base of the triode V3 is grounded through a resistor R11, control ends of the analog switch D3 and the analog switch D4 are externally connected with control signals of a driving unit, one end of the resistor R13 is connected to the +5V power supply, and the other end of the resistor R13 is connected to a negative end serial port of the fuse control circuit through a contact end of the analog switch D4.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311189968.9A CN117240281A (en) | 2023-09-15 | 2023-09-15 | Input-output controllable setting interface circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311189968.9A CN117240281A (en) | 2023-09-15 | 2023-09-15 | Input-output controllable setting interface circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN117240281A true CN117240281A (en) | 2023-12-15 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202311189968.9A Pending CN117240281A (en) | 2023-09-15 | 2023-09-15 | Input-output controllable setting interface circuit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN117240281A (en) |
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2023
- 2023-09-15 CN CN202311189968.9A patent/CN117240281A/en active Pending
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