CN103807075B - Integrity self-checking circuit is installed by a kind of multiple actuator - Google Patents
Integrity self-checking circuit is installed by a kind of multiple actuator Download PDFInfo
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- CN103807075B CN103807075B CN201410044759.XA CN201410044759A CN103807075B CN 103807075 B CN103807075 B CN 103807075B CN 201410044759 A CN201410044759 A CN 201410044759A CN 103807075 B CN103807075 B CN 103807075B
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Abstract
The present invention is that integrity self-checking circuit is installed by a kind of multiple actuator, the self-checking circuit of acceleration valve, changing valve, MKT valve three kinds of actuators' installation integrity can be solved with minimum passage, do not affect acceleration valve, changing valve, MKT valve control executive circuit simultaneously.Comprise acceleration valve changing valve control inputs module, acceleration valve changing valve self-inspection load module, MKT valve self-checking circuit control inputs module, self-inspection output module; The voltage signal of input is done oppositely by acceleration valve changing valve control inputs module, self-inspection output module exports as self-checking circuit by using NOR gate, control to export as self-test signal input signal with acceleration valve, conversion valve, MKT valve, carry out input signal by photo coupler to isolate with output signal, when acceleration valve, changing valve, MKT valve are installed intact, self-test signal output low level, illustrates that actuator installs intact; Have any actuator not install or do not connect, self-test signal exports as high level.
Description
Technical field
The invention belongs to engine oil control technique field, the wide medium temperature being applied to the pre-supercharging of pressed engine band responds oil-feeding control technology fast, relates to a kind of multiple actuator and installs integrity self-checking circuit.
Background technique
Electronic controller internal circuit level of integration is high, and printed board area is little, for saving space, meeting controller function complete simultaneously, can not mutually disturb simultaneously between each function.In prior art, publication number is CN101907195A, denomination of invention is the Chinese patent of " a kind of self-inspection type intelligent electric actuator for valve ", control circuit comprises central processing unit, actuator's driver element and display unit, described control circuit also comprises speed and position detection unit and torque detecting unit, testing result for detecting motor speed and revolution, and is delivered to central processing unit by described speed and position detection unit, testing result for detecting the moment of torsion of load suffered on motor output shaft, and is delivered to central processing unit by described torque detecting unit, described central processing unit comprises timer, data processing system, torque threshold storage, valve location storage and comparator, described timer is for generation of the time cardinal sum timing of various periodicity action, described torque threshold storage is for storing the maximum value of load torque suffered on motor output shaft, just think that valve is stuck as exceeded this value, described valve location storage is for storing the position of current valve, described comparator is used for the size of numerical value in the load torque that detects more in real time and torque threshold storage, described control circuit is also provided with remote data communication mouth and/or infrared data communication port.But this invention cannot carry out the self-inspection of integrity for multiple execution architecture, do not affect executive circuit again simultaneously.
Summary of the invention
The technical problem to be solved in the present invention is to provide a kind of multiple actuator and installs integrity self-checking circuit, solve the self-checking circuit of acceleration valve, changing valve, MKT valve three kinds of actuators' installation integrity with minimum passage, do not affect acceleration valve, changing valve, MKT valve control executive circuit simultaneously.
Integrity self-checking circuit is installed by the plurality of actuator, comprises acceleration valve changing valve control inputs module, acceleration valve changing valve self-inspection load module, MKT valve self-checking circuit control inputs module, self-inspection output module; Acceleration valve changing valve control inputs module, acceleration valve changing valve self-inspection load module, MKT valve self-checking circuit control inputs module are connected with self-inspection output module respectively; The voltage signal of input is done oppositely by acceleration valve changing valve control inputs module, self-inspection output module exports as self-checking circuit by using NOR gate, control to export as self-test signal input signal with acceleration valve, conversion valve, MKT valve, carry out input signal by photo coupler to isolate with output signal, when acceleration valve, changing valve, MKT valve are installed intact, self-test signal output low level, illustrates that actuator installs intact; Have any actuator not install or do not connect, self-test signal exports as high level.
Beneficial effect of the present invention:
The present invention carries out input signal by photo coupler and isolates with output signal, and realize does not affect actuator's work completing actuator's installation integrity self-inspection while.When acceleration valve, changing valve, MKT valve are installed intact, self-test signal output low level, illustrates that actuator installs intact; Have any actuator not install or do not connect, self-test signal exports as high level.Judge that integrity is installed by actuator by low and high level.
Accompanying drawing explanation
Fig. 1 acceleration valve changing valve control inputs module circuit diagram;
Fig. 2 acceleration valve changing valve self-inspection load module circuit diagram;
Fig. 3 MKT valve self-checking circuit control inputs module circuit diagram;
Fig. 4 self-inspection output module circuit diagram.
Embodiment
Below in conjunction with accompanying drawing, the invention will be described further.
As shown in Figure 1, in acceleration valve changing valve control inputs module power supply just (27V) be connected with acceleration valve one end, the other end is connected with diode (2CK84D) D2012 negative terminal, the collector electrode of diode D2012 anode and triode Q2013 (3DK14E), the collector resistance R2134 of triode Q2014 (3DK14E), acceleration valve one end are connected, and the resistance R2134 the other end is connected with the pin 3 of photo coupler N1 (GH302-4).Base stage, diode D2011 (2CK84D) negative terminal of acceleration valve input control signal and triode Q2013 are connected.Photo coupler N1 pin 4 is connected with power-(-27V).The emitter of triode Q2013 is connected with triode Q2014 base stage, the emitter of triode Q2014 is connected with one end of resistance R2082, power-(-27V), diode D2011 anode, (power supply 5V's VCC is connected with resistance R2125 (1K) one end, resistance R2125 is connected with photo coupler N1 (GH302-4) pin one 4, U2014 (54LS27) pin one, and GND (power supply 5V ground) is connected with photo coupler N1 (GH302-4) pin one 3.When acceleration valve is installed intact, acceleration valve input control signal input >5V voltage, photo coupler N1 does not work, and acceleration valve self-inspection input signal is high level.When acceleration valve is installed intact, acceleration valve input control signal input <5V voltage, photo coupler N1 works, and acceleration valve self-inspection input signal is low level.When acceleration valve is not installed, no matter acceleration valve input control signal is input as how much voltage, and photo coupler N1 does not work, and acceleration valve self-inspection input signal is low level.
As shown in Figure 2, in acceleration valve changing valve self-inspection load module power supply just (27V) be connected with changing valve one end, the other end is connected with diode (2CK84D) D2014 negative terminal, the collector electrode of diode D2014 anode and triode Q2015 (3DK14E), the collector resistance R2134 of triode Q2016 (3DK14E), changing valve one end are connected, and the resistance R2136 the other end is connected with the pin 5 of photo coupler N1 (GH302-4).Base stage, diode D2013 (2CK84D) negative terminal of changing valve input control signal and triode Q2015 are connected.Photo coupler N1 pin 6 is connected with power-(-27V).The emitter of triode Q2015 is connected with triode Q2016 base stage, and the emitter of triode Q2016 is connected with one end of resistance R2083, power-(-27V), diode D2013 anode.(power supply 5V's VCC is connected with resistance R2137 (1K) one end, resistance R2137 is connected with photo coupler N1 (GH302-4) pin one 2, U2014 (54LS27) pin two, and GND (power supply 5V ground) is connected with photo coupler N1 (GH302-4) pin one 1.When changing valve is installed intact, add conversion input control signal input >5V voltage, photo coupler N1 does not work, and changing valve self-inspection input signal is high level.When changing valve is installed intact, changing valve input control signal input <5V voltage, photo coupler N1 works, and changing valve self-inspection input signal is low level.When changing valve is not installed, no matter changing valve input control signal is input as how much voltage, and photo coupler N1 does not work, and changing valve self-inspection input signal is low level.
As shown in Figure 3, just (27V), MKT valve one end are connected for MKT valve self-checking circuit control inputs module resistance R2080 (39 Ω) one end and power supply, the other end is connected with diode (1N5401) D2010 negative terminal, the collector electrode of diode D2010 anode and triode Q2011 (3DK14E), the collector electrode of triode Q2012 (3DK35E), resistance R2132, MKT valve one end are connected, and the resistance R2132 the other end is connected with the pin one of photo coupler N1 (GH302-4).Base stage, resistance R2078 (120 Ω) one end of MKT input control signal and triode Q2011 are connected.The emitter of triode Q2011 is connected with triode Q2012 base stage, pin two and the power-(-27V) of the emitter of triode Q2012 and one end of resistance R2078 and photo coupler N1 (GH302-4) are connected, (power supply 5V's VCC is connected with resistance R2123 (1K) one end, resistance R2123 is connected with photo coupler N1 (GH302-4) pin one 6, U2014 (54LS27) pin one 3, and GND (power supply 5V ground) is connected with photo coupler N1 (GH302-4) pin one 5.When MKT valve is installed intact, MKT valve input control signal input >5V voltage, PRWN2 place is low voltage, and photo coupler N1 does not work, and MKT valve self-inspection input signal is high level.When MKT valve is installed intact, MKT valve input control signal input <5V voltage, PRWN2 place is high voltage, and photo coupler N1 works, and MKT valve self-inspection input signal is low level.When MKT valve is not installed, no matter MKT valve input control signal is input as how much voltage, and PRWN2 place is high voltage, and photo coupler N1 does not work, and MKT valve self-inspection input signal is low level.
As shown in Figure 4, when in self-inspection output module, MKT valve self-inspection input signal, changing valve self-inspection input signal, acceleration valve self-inspection input signal three signals are input as low level, self-inspection output signal is high level; When MKT valve self-inspection input signal, changing valve self-inspection input signal, acceleration valve self-inspection input signal three any signals of signal input are high level, self-inspection output signal is low level.
Claims (3)
1. integrity self-checking circuit is installed by Duo Ge actuator, it is characterized in that: comprise acceleration valve changing valve control inputs module, acceleration valve changing valve self-inspection load module, MKT valve self-checking circuit control inputs module, self-inspection output module; Acceleration valve changing valve control inputs module, acceleration valve changing valve self-inspection load module, MKT valve self-checking circuit control inputs module are connected with self-inspection output module respectively; The voltage signal of input is done oppositely by acceleration valve changing valve control inputs module, self-inspection output module exports as self-checking circuit by using NOR gate, control to export as self-test signal input signal with acceleration valve, conversion valve, MKT valve, carry out input signal by photo coupler to isolate with output signal, when acceleration valve, changing valve, MKT valve are installed intact, self-test signal output low level, illustrates that actuator installs intact; Have any actuator not install or do not connect, self-test signal exports as high level; In described acceleration valve changing valve control inputs module, power supply is just connected with acceleration valve one end, the other end is connected with diode negative terminal, diode anode is connected with the collector electrode of triode, resistance, acceleration valve one end respectively, and the resistance the other end is connected with the pin 3 of photo coupler; Base stage, the diode negative terminal of acceleration valve input control signal and triode are connected; Photo coupler pin 4 is connected with power-; The emitter of triode is connected with one end of resistance, power-, diode anode respectively, and resistance is connected with photo coupler pin one 4, pin one.
2. integrity self-checking circuit is installed by multiple actuator as claimed in claim 1, it is characterized in that: in acceleration valve changing valve self-inspection load module, power supply is just connected with changing valve one end, the other end is connected with diode negative terminal respectively, the collector electrode of diode anode and triode, resistance, changing valve one end are connected, and the resistance the other end is connected with the pin 5 of photo coupler; Base stage, the diode negative terminal of changing valve input control signal and triode are connected; Photo coupler pin 6 is connected with power-; The emitter of triode is connected with one end of resistance, power-, diode anode; Resistance is connected with photo coupler pin one 2, pin two.
3. integrity self-checking circuit is installed by multiple actuator as claimed in claim 1, it is characterized in that: in MKT valve self-checking circuit control inputs module, resistance one end and power supply are just, MKT valve one end is connected, the other end is connected with diode negative terminal, the collector electrode of diode anode and triode, resistance, MKT valve one end are connected, and the resistance the other end is connected with the pin one of photo coupler; Base stage, resistance one end of MKT input control signal and triode are connected; Pin two and the power-of the emitter of triode and one end of resistance and photo coupler are connected, and resistance is connected with photo coupler pin one 6, pin one 3.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410044759.XA CN103807075B (en) | 2014-02-07 | 2014-02-07 | Integrity self-checking circuit is installed by a kind of multiple actuator |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410044759.XA CN103807075B (en) | 2014-02-07 | 2014-02-07 | Integrity self-checking circuit is installed by a kind of multiple actuator |
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| Publication Number | Publication Date |
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| CN103807075A CN103807075A (en) | 2014-05-21 |
| CN103807075B true CN103807075B (en) | 2016-02-03 |
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Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE19917698A1 (en) * | 1999-04-20 | 2000-10-26 | Fischer Georg Rohrleitung | Valve arrangement |
| CN101907195B (en) * | 2010-09-06 | 2012-04-04 | 特福隆集团有限公司 | Self-inspection type intelligent electric actuator for valve |
| CN102425701A (en) * | 2011-09-28 | 2012-04-25 | 于邦仲 | Double-electric-control valve driving device and method thereof |
| CN102777665B (en) * | 2012-07-31 | 2014-04-16 | 河南汉威电子股份有限公司 | Solenoid valve control circuit and solenoid valve switch-in self-checking method thereof |
| CN102777666B (en) * | 2012-07-31 | 2014-04-16 | 河南汉威电子股份有限公司 | Electromagnetic valve control circuit and electromagnetic valve closing self-checking method thereof |
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- 2014-02-07 CN CN201410044759.XA patent/CN103807075B/en active Active
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