CN201083995Y - Signal sampling intelligent control unit - Google Patents
Signal sampling intelligent control unit Download PDFInfo
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- CN201083995Y CN201083995Y CNU2007200750732U CN200720075073U CN201083995Y CN 201083995 Y CN201083995 Y CN 201083995Y CN U2007200750732 U CNU2007200750732 U CN U2007200750732U CN 200720075073 U CN200720075073 U CN 200720075073U CN 201083995 Y CN201083995 Y CN 201083995Y
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- microprocessor
- light coupling
- speed light
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Abstract
The utility model relates to an intelligent control unit for sampling signal, comprising a microprocessor 1 and a microprocessor 2. The microprocessor 1 and the microprocessor 2 are connected with each other by a data interacting circuit 1 and a data interacting circuit 2 which are in same structure. The microprocessor 1 is connected with the input end of the data interacting circuit 1 and the output end of the data interacting circuit 2 and the microprocessor 2 is connected with the input end of the data interacting circuit 2 and the output end of the data interacting circuit 1. The data interacting circuit 1 and the data interacting circuit 2 both comprise a high-speed light coupler. The input end of the high-speed light coupler is connected with a back drive circuit 1 and a current limiting resistance, while the output end is connected with a back drive circuit 2 and a pull-up resistance. Compared with the prior art, the utility model has the advantages of high reliability of power supply, good separation result of the main power supply and the secondary power supply, simple structure and small volume.
Description
Technical field
The utility model relates to voltage signal employing technology, particularly relates to a kind of intelligent signal sampling control module.
Background technology
At the voltage signal sampling of two-way different electrical power, the isolation that solves between the two-way different electrical power is a difficult point, in case failure will cause short circuit between power supply.At present, generally finish the isolation to the two-way different electrical power in signal sample circuit, for example adopting mutual inductor and photoelectrical coupler to obtain can be for the little level signal of MCU detection.Though such sample circuit preferably resolves the isolation between power supply, but also brought certain limitation simultaneously to signals sampling, because the restriction of mutual inductor and photoelectrical coupler self-characteristic, bring that sampled signal narrow range, sampled signal precision are not high, shortcomings such as distortion easily take place signal will certainly for obtaining of signal.
Summary of the invention
The purpose of this utility model is exactly to provide a kind of intelligent signal sampling control module for the defective that overcomes above-mentioned prior art existence.
The purpose of this utility model can be achieved through the following technical solutions: a kind of intelligent signal sampling control module, it is characterized in that, comprise microprocessor one, microprocessor two, described microprocessor one is connected with data interaction circuit two by the identical data interaction circuit one of structure with microprocessor two, described microprocessor one is connected with the input end of mutual circuit one and the output terminal of mutual circuit two, described microprocessor two is connected with the input end of mutual circuit two and the output terminal of mutual circuit one, described data interaction circuit one and data interaction circuit two include high-speed light coupling device, the input end of described high-speed light coupling device is connected with reverse drive circuit one and current-limiting resistance, and the output terminal of described high-speed light coupling device is connected with reverse drive circuit two and pull-up resistor.
Described microprocessor one has output terminal TX2, input end RX1, and described microprocessor two has output terminal TX1, input end RX2.
Described mutual circuit one comprises high-speed light coupling device IC2, its reverse drive circuit one comprises resistance R 6, triode V4, one end of described resistance R 6 is connected with output terminal TX2, the other end is connected with the base stage of triode V4, the grounded emitter of described triode V4, its collector is connected with the luminous utmost point 3 of input of high-speed light coupling device IC2, and the luminous utmost point 2 of input of this high-speed light coupling device IC2 is connected with supply voltage VCC1 behind current-limiting resistance R7; The reverse drive circuit two of described mutual circuit one comprises resistance R 9, triode V2, resistance R 10, described resistance R 9 one ends are connected with the luminous utmost point 6 of output of high-speed light coupling device IC2, the other end is connected with the base stage of triode V2, the grounded emitter of described triode V2, its collector is connected with supply voltage VCC2 after resistance R 10, this collector also is connected with input end RX2, the luminous utmost point 6 of described output also is connected with the end of pull-up resistor R8, and the output terminal 8 of the other end of this pull-up resistor R8 and high-speed light coupling device IC2 all is connected with supply voltage VCC2.
Described mutual circuit two comprises high-speed light coupling device IC1, its reverse drive circuit one comprises resistance R 1, triode V3, one end of described resistance R 1 is connected with output terminal TX1, the other end is connected with the base stage of triode V3, the grounded emitter of described triode V3, its collector is connected with the luminous utmost point 3 ' of input of high-speed light coupling device IC1, and the luminous utmost point 2 ' of input of this high-speed light coupling device IC1 is connected with supply voltage VCC2 behind current-limiting resistance R2; The reverse drive circuit two of described mutual circuit two comprises resistance R 4, triode V1, resistance R 5, described resistance R 4 one ends are connected with the luminous utmost point 6 ' of output of high-speed light coupling device IC1, the other end is connected with the base stage of triode V1, the grounded emitter of described triode V1, its collector is connected with supply voltage VCC1 after resistance R 5, this collector also is connected with input end RX1, the luminous utmost point 6 ' of described output also is connected with the end of pull-up resistor R3, and the output terminal 8 ' of the other end of this pull-up resistor R3 and high-speed light coupling device IC1 all is connected with supply voltage VCC1.
Described microprocessor one and microprocessor two are the FUJITSU F2MC-8L series microprocessor of Fujitsu.
Described high-speed light coupling device is 6N136 high-speed light coupling device.
Compared with prior art, the utility model makes signal sample circuit no longer have limitation, can more consider the problems such as the linearity of signals sampling scope, sampling precision and signal in the modelled signal sample circuit; And have the following advantages:
1, power supply reliability height;
2, the isolation effect between active and standby power supply is good;
3, sample range is wide;
4, sampling precision height;
5, structure is simpler, and volume is littler.
Description of drawings
Fig. 1 is a structural representation of the present utility model.
Embodiment
The utility model is described in further detail below in conjunction with accompanying drawing.
As shown in Figure 1, a kind of intelligent signal sampling control module, it is characterized in that, comprise microprocessor one, microprocessor two, described microprocessor one is connected with data interaction circuit two by the identical data interaction circuit one of structure with microprocessor two, described microprocessor one is connected with the input end of mutual circuit one and the output terminal of mutual circuit two, described microprocessor two is connected with the input end of mutual circuit two and the output terminal of mutual circuit one, described data interaction circuit one and data interaction circuit two include high-speed light coupling device, the input end of described high-speed light coupling device is connected with reverse drive circuit one and current-limiting resistance, and the output terminal of described high-speed light coupling device is connected with reverse drive circuit two and pull-up resistor.
Described microprocessor one has output terminal TX2, input end RX1, and described microprocessor two has output terminal TX1, input end RX2; Described mutual circuit one comprises high-speed light coupling device IC2, its reverse drive circuit one comprises resistance R 6, triode V4, one end of described resistance R 6 is connected with output terminal TX2, the other end is connected with the base stage of triode V4, the grounded emitter of described triode V4, its collector is connected with the luminous utmost point 3 of input of high-speed light coupling device IC2, and the luminous utmost point 2 of input of this high-speed light coupling device IC2 is connected with supply voltage VCC1 behind current-limiting resistance R7; The reverse drive circuit two of described mutual circuit one comprises resistance R 9, triode V2, resistance R 10, described resistance R 9 one ends are connected with the luminous utmost point 6 of output of high-speed light coupling device IC2, the other end is connected with the base stage of triode V2, the grounded emitter of described triode V2, its collector is connected with supply voltage VCC2 after resistance R 10, this collector also is connected with input end RX2, the luminous utmost point 6 of described output also is connected with the end of pull-up resistor R8, and the output terminal 8 of the other end of this pull-up resistor R8 and high-speed light coupling device IC2 all is connected with supply voltage VCC2; Described mutual circuit two comprises high-speed light coupling device IC1, its reverse drive circuit one comprises resistance R 1, triode V3, one end of described resistance R 1 is connected with output terminal TX1, the other end is connected with the base stage of triode V3, the grounded emitter of described triode V3, its collector is connected with the luminous utmost point 3 ' of input of high-speed light coupling device IC1, and the luminous utmost point 2 ' of input of this high-speed light coupling device IC1 is connected with supply voltage VCC2 behind current-limiting resistance R2; The reverse drive circuit two of described mutual circuit two comprises resistance R 4, triode V1, resistance R 5, described resistance R 4 one ends are connected with the luminous utmost point 6 ' of output of high-speed light coupling device IC1, the other end is connected with the base stage of triode V1, the grounded emitter of described triode V1, its collector is connected with supply voltage VCC1 after resistance R 5, this collector also is connected with input end RX1, the luminous utmost point 6 ' of described output also is connected with the end of pull-up resistor R3, and the output terminal 8 ' of the other end of this pull-up resistor R3 and high-speed light coupling device IC1 all is connected with supply voltage VCC1; Described microprocessor one and microprocessor two all adopt the FUJITSU F2MC-8L series microprocessor of Fujitsu; Described high-speed light coupling device adopts 6N136 high-speed light coupling device.
Present embodiment is the circuit based on dual micro processor (MCU1 and MCU2) data interaction, MCU2 mode with switching value after obtaining the voltage sampling signal data of standby power supply is given MCU1 by high-speed photoelectric coupler IC1 with specific data interaction protocol transmission, MCU1 carries out logic analysis relatively after obtaining signal, judge and carry out control corresponding by preset program, and give MCU2 feedback signal by high-speed photoelectric coupler IC2 with specific data interaction protocol transmission in the mode of switching value according to the result.
The backup power source voltage signal sample circuit is transferred to microprocessor MCU2 with sampled signal, and handle after the output of TX1 mouth by microprocessor MCU2: resistance R 1 and triode V3 constitute the reverse drive circuit, drive the luminous utmost point of input end of high speed photo coupling IC1.R2 is the luminous utmost point that current-limiting resistance drives high speed photo coupling IC1.R3 is a pull-up resistor, R4, and V1, R5 constitute the reverse drive circuit, and two sampled level that input to the RX1 mouth of microprocessor MCU1 after oppositely remain unchanged.
The sampled signal disposal route of same main power voltage signal sample circuit is with above-mentioned, the main power voltage signal sample circuit is transferred to microprocessor MCU1 with sampled signal, handle after the output of TX2 mouth by microprocessor MCU1: resistance R 6 and triode V4 constitute the reverse drive circuit, drive the luminous utmost point of input end of high speed photo coupling IC2.R7 is the luminous utmost point that current-limiting resistance drives high speed photo coupling IC2.R8 is a pull-up resistor, R9, and V2, R10 constitute the reverse drive circuit, and two sampled level that input to the RX2 mouth of microprocessor MCU2 after oppositely remain unchanged.
Claims (6)
1. intelligent signal sampling control module, it is characterized in that, comprise microprocessor one, microprocessor two, described microprocessor one is connected with data interaction circuit two by the identical data interaction circuit one of structure with microprocessor two, described microprocessor one is connected with the input end of mutual circuit one and the output terminal of mutual circuit two, described microprocessor two is connected with the input end of mutual circuit two and the output terminal of mutual circuit one, described data interaction circuit one and data interaction circuit two include high-speed light coupling device, the input end of described high-speed light coupling device is connected with reverse drive circuit one and current-limiting resistance, and the output terminal of described high-speed light coupling device is connected with reverse drive circuit two and pull-up resistor.
2. a kind of intelligent signal sampling control module according to claim 1 is characterized in that, described microprocessor one has output terminal (TX2), input end (RX1), and described microprocessor two has output terminal (TX1), input end (RX2).
3. a kind of intelligent signal sampling control module according to claim 2, it is characterized in that, described mutual circuit one comprises high-speed light coupling device (IC2), its reverse drive circuit one comprises resistance (R6), triode (V4), one end of described resistance (R6) is connected with output terminal (TX2), the other end is connected with the base stage of triode (V4), the grounded emitter of described triode (V4), its collector is connected with the luminous utmost point of input (3) of high-speed light coupling device (IC2), and the luminous utmost point of input (2) of this high-speed light coupling device (IC2) is connected with supply voltage (VCC1) behind current-limiting resistance (R7); The reverse drive circuit two of described mutual circuit one comprises resistance (R9), triode (V2), resistance (R10), described resistance (R9) end is connected with the luminous utmost point of output (6) of high-speed light coupling device (IC2), the other end is connected with the base stage of triode (V2), the grounded emitter of described triode (V2), its collector is connected with supply voltage (VCC2) behind resistance (R10), this collector also is connected with input end (RX2), the luminous utmost point of described output (6) also is connected with an end of pull-up resistor (R8), and the output terminal (8) of the other end of this pull-up resistor (R8) and high-speed light coupling device (IC2) all is connected with supply voltage (VCC2).
4. a kind of intelligent signal sampling control module according to claim 1, it is characterized in that, described mutual circuit two comprises high-speed light coupling device (IC1), its reverse drive circuit one comprises resistance (R1), triode (V3), one end of described resistance (R1) is connected with output terminal (TX1), the other end is connected with the base stage of triode (V3), the grounded emitter of described triode (V3), its collector is connected with the luminous utmost point of input (3 ') of high-speed light coupling device (IC1), and the luminous utmost point of input (2 ') of this high-speed light coupling device (IC1) is connected with supply voltage (VCC2) behind current-limiting resistance (R2); The reverse drive circuit two of described mutual circuit two comprises resistance (R4), triode (V1), resistance (R5), described resistance (R4) end is connected with the luminous utmost point of output (6 ') of high-speed light coupling device (IC1), the other end is connected with the base stage of triode (V1), the grounded emitter of described triode (V1), its collector is connected with supply voltage (VCC1) behind resistance (R5), this collector also is connected with input end (RX1), the luminous utmost point of described output (6 ') also is connected with an end of pull-up resistor (R3), and the output terminal (8 ') of the other end of this pull-up resistor (R3) and high-speed light coupling device (IC1) all is connected with supply voltage (VCC1).
5. a kind of intelligent signal sampling control module according to claim 1 is characterized in that, described microprocessor one and microprocessor two are the FUJITSU F2MC-8L series microprocessor of Fujitsu.
6. a kind of intelligent signal sampling control module according to claim 1 is characterized in that, described high-speed light coupling device is 6N136 high-speed light coupling device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200750732U CN201083995Y (en) | 2007-09-27 | 2007-09-27 | Signal sampling intelligent control unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200750732U CN201083995Y (en) | 2007-09-27 | 2007-09-27 | Signal sampling intelligent control unit |
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| CN201083995Y true CN201083995Y (en) | 2008-07-09 |
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| CNU2007200750732U Expired - Fee Related CN201083995Y (en) | 2007-09-27 | 2007-09-27 | Signal sampling intelligent control unit |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106023513A (en) * | 2016-06-25 | 2016-10-12 | 河北中核石辐科技有限责任公司 | Redundant smog detector and system |
-
2007
- 2007-09-27 CN CNU2007200750732U patent/CN201083995Y/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106023513A (en) * | 2016-06-25 | 2016-10-12 | 河北中核石辐科技有限责任公司 | Redundant smog detector and system |
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| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20080709 Termination date: 20130927 |