CN220820484U - Position indication mark control unit - Google Patents
Position indication mark control unit Download PDFInfo
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- CN220820484U CN220820484U CN202322576563.2U CN202322576563U CN220820484U CN 220820484 U CN220820484 U CN 220820484U CN 202322576563 U CN202322576563 U CN 202322576563U CN 220820484 U CN220820484 U CN 220820484U
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- 238000006243 chemical reaction Methods 0.000 claims abstract description 91
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- 238000005859 coupling reaction Methods 0.000 claims abstract description 12
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- 230000009286 beneficial effect Effects 0.000 description 1
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Abstract
The utility model discloses a position indication mark control unit, and belongs to the technical field of position indication marks. The device comprises a serial port signal conversion circuit, a power supply conversion circuit, a control switching circuit and an optical coupling isolation circuit; the serial port signal conversion circuit is connected with the control switching circuit, the power supply conversion circuit is respectively connected with the serial port signal conversion circuit and the control switching circuit, the control switching circuit is respectively connected with the serial port signal conversion circuit and the optical coupling isolation circuit, and the optical coupling isolation circuit is connected with the control switching circuit. The utility model realizes a miniaturized and domestic position indication control unit, and the localization rate of the types and the quantity of electronic components used in the unit reaches 100 percent, thereby laying a foundation for realizing autonomous control.
Description
Technical Field
The utility model belongs to the technical field of position indication marks, and particularly relates to a position indication mark control unit.
Background
At present, the internal use of the indication marks on many ships still depends on imported electronic components, but the imported electronic components are greatly influenced by the international large environment and the international market, so that the aim is to have great production risk, and the use of domestic electronic components instead of imported electronic components is a trend, so that the design of the indication mark control unit with high nationwide production and signal anti-interference capability is particularly important.
Disclosure of utility model
In order to overcome the above technical drawbacks, the present utility model provides a position indicator control unit, which solves the problems related to the background art.
The utility model provides a position indication mark control unit, which comprises:
The device comprises a serial port signal conversion circuit, a power supply conversion circuit, a control switching circuit and an optical coupling isolation circuit;
The serial port signal conversion circuit is connected with the control switching circuit, the power supply conversion circuit is respectively connected with the serial port signal conversion circuit and the control switching circuit, the control switching circuit is respectively connected with the serial port signal conversion circuit and the optical coupling isolation circuit, and the optical coupling isolation circuit is connected with the control switching circuit;
The serial port signal conversion circuit converts a 232 type serial port signal into a TTL type serial port signal, the power supply conversion circuit converts an input +12V voltage into a +5V voltage required by the serial port signal conversion circuit and the control switching circuit, the control switching circuit switches the converted TTL type serial port signal, and the optocoupler isolation circuit isolates the signal switched by the control switching circuit through an optocoupler to form a bit indication mark control signal.
Preferably or optionally, the serial port signal conversion circuit adopts a serial port power supply conversion chip with a model number of SM 3232.
Preferably or optionally, the power conversion circuit comprises a power conversion chip, an output control circuit and an indicator light circuit.
Preferably or alternatively, the power conversion chip adopts an integrated inductance buck chip with the model of XC 9828A.
Preferably or optionally, the output control circuit includes a resistor R1, a resistor R2, a capacitor C1, and a capacitor C2;
One end of the resistor R1 is connected with the No. 10 pin of the power conversion chip, the other end of the resistor R1 is connected with the No. 17 pin of the power conversion chip, one end of the resistor R2 is connected with the No. 17 pin of the power conversion chip, and the other end of the resistor R2 is connected with the No. 8 and the No. 9 pins of the power conversion chip; one end of the capacitor C1 is connected with the No. 10 pin of the power conversion chip, and the other end of the capacitor C1 is connected with the No. 17 pin of the power conversion chip; one end of the capacitor C2 is connected with the No. 10 pin of the power conversion chip, and the other end of the capacitor C is connected with the No. 8 pin and the No. 9 pin of the power conversion chip; and pins 8 and 9 of the power conversion chip are grounded.
Preferably or optionally, the indicator light circuit comprises a resistor R3 and a light emitting diode LED1;
One end of the resistor R3 is connected with the No. 11 pin of the power conversion chip, and the other end of the resistor R3 is connected with the positive end of the light-emitting diode LED 1; the positive end of the light emitting diode LED1 is connected with the resistor R3, and the negative end is connected with pins 8 and 9 of the power conversion chip; and pins 8 and 9 of the power conversion chip are grounded.
Preferably or alternatively, the control switching circuit comprises a triode drive circuit and a relay switching circuit.
Preferably or optionally, the triode driving circuit comprises a resistor R4, a resistor R5 and a triode Q1;
One end of the resistor R4 is connected with the No. 12 pin of the SM3232, and the other end of the resistor R4 is connected with the No. 1 pin of the triode Q1; one end of the resistor R5 is connected with the No. 2 pin of the triode Q1, and the other end of the resistor R5 is connected with the No. 10 pin of the XC 9828A; and the 3 rd pin of the triode Q1 is connected with the ground.
Preferably or alternatively, the relay switching circuit employs a relay of the type HFD 4/5.
Preferably or optionally, the optocoupler isolation circuit adopts a model APY212R1S chip.
The utility model relates to a position indication mark control unit, which has the following beneficial effects compared with the prior art: the utility model realizes a miniaturized and domestic position-indicating control unit, the localization rate of the types and the quantity of the electronic components used in the unit reaches 100%, and a foundation is laid for realizing autonomous control; and the serial port signal conversion circuit converts the serial port signal of the 232 type into the serial port signal of the TTL type, the control switching circuit switches the serial port signal of the converted TTL type, and finally the optical coupler isolation circuit isolates the signal switched by the control switching circuit, thereby enhancing the anti-interference capability of the control signal and ensuring the accuracy and reliability of remote data transmission under special conditions such as offshore and the like.
Drawings
Fig. 1 is a block diagram of a circuit structure of the present utility model.
Fig. 2 is a circuit diagram of a serial port signal conversion circuit according to the present utility model.
Fig. 3 is a circuit diagram of a power conversion circuit of the present utility model.
Fig. 4 is a circuit diagram of a control switching circuit of the present utility model.
Fig. 5 is a circuit diagram of an optocoupler isolation circuit of the present utility model.
Detailed Description
In the following description, numerous specific details are set forth in order to provide a more thorough understanding of the present utility model. It will be apparent, however, to one skilled in the art that the utility model may be practiced without one or more of these details. In other instances, well-known features have not been described in detail in order to avoid obscuring the utility model.
Referring to fig. 1, a position indicator control unit includes: the device comprises a serial port signal conversion circuit, a power supply conversion circuit, a control switching circuit and an optical coupling isolation circuit; the serial port signal conversion circuit is connected with the control switching circuit, the power supply conversion circuit is respectively connected with the serial port signal conversion circuit and the control switching circuit, the control switching circuit is respectively connected with the serial port signal conversion circuit and the optical coupling isolation circuit, and the optical coupling isolation circuit is connected with the control switching circuit; the serial port signal conversion circuit converts a serial port signal of a 232 type into a serial port signal of a TTL type, the power supply conversion circuit converts an input +12V voltage into a serial port signal conversion circuit and a +5V voltage required by the control switching circuit, the control switching circuit drives the relay to control the relay to switch after the converted serial port signal of the TTL type passes through the triode, and the optocoupler isolation circuit isolates the signal after the relay is switched through the optocoupler to provide a path of pure control signal with strong anti-interference capability for a subsequent unit. By adopting an EMI design, the serial port signal of the 232 type is converted into the serial port signal of the TTL type through the serial port signal conversion circuit, the converted serial port signal of the TTL type is switched through the control switching circuit, and finally, the signal switched by the control switching circuit is isolated through an optocoupler through the optocoupler isolation circuit, so that the anti-interference capability of the control signal is enhanced, and the accuracy and reliability of remote data transmission under special conditions such as offshore and the like are ensured.
In a further embodiment, referring to fig. 2, the serial port signal conversion circuit uses a serial port power conversion chip with a model SM 3232. The chip is produced by Shenzhen national microelectronic Co., ltd, has few peripheral electronic components and is completely and independently controllable.
In a further embodiment, referring to fig. 3, the power conversion circuit includes a power conversion chip, an output control circuit, and an indicator light circuit. The indicator light circuit can be intuitively used for indicating whether the output voltage of the power supply conversion circuit is normal or not, and is convenient for finding out abnormality in time. The power conversion chip adopts an XC9828A integrated inductance voltage reduction chip, and the chip is produced by Jiangsu Severe semiconductor technology limited company and can realize autonomous control. The output control circuit comprises a resistor R1, a resistor R2, a capacitor C1 and a capacitor C2. One end of the resistor R1 is connected with the No. 10 pin of the power conversion chip, the other end of the resistor R1 is connected with the No. 17 pin of the power conversion chip, one end of the resistor R2 is connected with the No. 17 pin of the power conversion chip, and the other end of the resistor R2 is connected with the No. 8 and the No. 9 pins of the power conversion chip; one end of the capacitor C1 is connected with the No. 10 pin of the power conversion chip, and the other end of the capacitor C1 is connected with the No. 17 pin of the power conversion chip; one end of the capacitor C2 is connected with the No. 10 pin of the power conversion chip, and the other end of the capacitor C is connected with the No. 8 pin and the No. 9 pin of the power conversion chip. The indicator light circuit comprises a resistor R3 and a light emitting diode LED1; one end of the resistor R3 is connected with the No. 11 pin of the power conversion chip, and the other end of the resistor R3 is connected with the positive end of the light-emitting diode LED1; the positive end of the light emitting diode LED1 is connected with the resistor R3, and the negative end is connected with pins 8 and 9 of the power conversion chip; and pins 8 and 9 of the power conversion chip are grounded.
In a further embodiment, referring to fig. 4, the control switching circuit includes a triode driving circuit and a relay switching circuit. The triode driving circuit comprises a resistor R4, a resistor R5 and a triode Q1. One end of the resistor R4 is connected with the No. 12 pin of the SM3232, and the other end of the resistor R4 is connected with the No. 1 pin of the triode Q1; one end of the resistor R5 is connected with the No. 2 pin of the triode Q1, and the other end of the resistor R5 is connected with the No. 10 pin of the XC 9828A; and the 3 rd pin of the triode Q1 is connected with the ground. The relay switching circuit adopts an HFD4/5 relay, and the relay is produced by Xiamen macro power generation sound share limited company, so that autonomous control can be realized.
In a further embodiment, referring to fig. 5, the optocoupler isolation circuit uses an APY212R1S chip, which is manufactured by a new optical semiconductor company, and can be controlled autonomously.
In order to facilitate understanding of the technical scheme of the position indication control unit, a brief description is made on the working principle: according to the implementation, a serial port signal of a 232 type is converted into a serial port signal of a TTL type through a serial port signal conversion circuit, a +12V voltage provided by a power supply unit is converted into a +5V voltage required by the serial port signal conversion circuit and a switching control circuit through the power supply conversion circuit, the switching circuit is controlled to drive a relay to control the relay to switch after the converted serial port signal of the TTL type passes through a triode, and an optocoupler isolation circuit is used for isolating the signal after the relay is switched and providing a pure control signal for a subsequent unit.
The electronic components used in the circuit are all domestic electronic components, which lays a foundation for realizing autonomous and controllable of the whole product, and the adopted electronic components all adopt military grade quality grade, so that the equipment can normally work under severe environmental conditions.
In addition, the specific features described in the above embodiments may be combined in any suitable manner without contradiction. The various possible combinations of the utility model are not described in detail in order to avoid unnecessary repetition.
Claims (10)
1. An indicia control unit comprising: the device comprises a serial port signal conversion circuit, a power supply conversion circuit, a control switching circuit and an optical coupling isolation circuit;
The serial port signal conversion circuit is connected with the control switching circuit, the power supply conversion circuit is respectively connected with the serial port signal conversion circuit and the control switching circuit, the control switching circuit is respectively connected with the serial port signal conversion circuit and the optical coupling isolation circuit, and the optical coupling isolation circuit is connected with the control switching circuit;
The serial port signal conversion circuit converts a 232 type serial port signal into a TTL type serial port signal, the power supply conversion circuit converts an input +12V voltage into a +5V voltage required by the serial port signal conversion circuit and the control switching circuit, the control switching circuit switches the converted TTL type serial port signal, and the optocoupler isolation circuit isolates the signal switched by the control switching circuit through an optocoupler to form a bit indication mark control signal.
2. The signpost control unit of claim 1, wherein the serial port signal conversion circuit employs a serial port power conversion chip of model SM 3232.
3. The signpost control unit of claim 2, wherein the power conversion circuit comprises a power conversion chip, an output control circuit, and an indicator light circuit.
4. A signpost control unit as claimed in claim 3, wherein the power conversion chip is an integrated inductive buck chip of type XC 9828A.
5. The signpost control unit of claim 4, wherein the output control circuit comprises a resistor R1, a resistor R2, a capacitor C1, and a capacitor C2;
One end of the resistor R1 is connected with the No. 10 pin of the power conversion chip, the other end of the resistor R1 is connected with the No. 17 pin of the power conversion chip, one end of the resistor R2 is connected with the No. 17 pin of the power conversion chip, and the other end of the resistor R2 is connected with the No. 8 and the No. 9 pins of the power conversion chip; one end of the capacitor C1 is connected with the No. 10 pin of the power conversion chip, and the other end of the capacitor C1 is connected with the No. 17 pin of the power conversion chip; one end of the capacitor C2 is connected with the No. 10 pin of the power conversion chip, and the other end of the capacitor C is connected with the No. 8 pin and the No. 9 pin of the power conversion chip; and pins 8 and 9 of the power conversion chip are grounded.
6. The indicator control unit of claim 4, wherein the indicator light circuit comprises a resistor R3 and a light emitting diode LED1;
One end of the resistor R3 is connected with the No. 11 pin of the power conversion chip, and the other end of the resistor R3 is connected with the positive end of the light-emitting diode LED 1; the positive end of the light emitting diode LED1 is connected with the resistor R3, and the negative end is connected with pins 8 and 9 of the power conversion chip; and pins 8 and 9 of the power conversion chip are grounded.
7. The signpost control unit of claim 4, wherein the control switching circuit comprises a triode driving circuit and a relay switching circuit.
8. The bit map control unit of claim 7, wherein the triode driving circuit comprises a resistor R4, a resistor R5, and a triode Q1;
One end of the resistor R4 is connected with the No. 12 pin of the SM3232, and the other end of the resistor R4 is connected with the No. 1 pin of the triode Q1; one end of the resistor R5 is connected with the No. 2 pin of the triode Q1, and the other end of the resistor R5 is connected with the No. 10 pin of the XC 9828A; and the 3 rd pin of the triode Q1 is connected with the ground.
9. The signpost control unit of claim 7, wherein the relay switching circuit is a type HFD4/5 relay.
10. The signpost control unit of claim 1, wherein the optocoupler isolation circuit is a model APY212R1S chip.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322576563.2U CN220820484U (en) | 2023-09-22 | 2023-09-22 | Position indication mark control unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322576563.2U CN220820484U (en) | 2023-09-22 | 2023-09-22 | Position indication mark control unit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220820484U true CN220820484U (en) | 2024-04-19 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322576563.2U Active CN220820484U (en) | 2023-09-22 | 2023-09-22 | Position indication mark control unit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220820484U (en) |
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2023
- 2023-09-22 CN CN202322576563.2U patent/CN220820484U/en active Active
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