CN104536363B - Throttle control system logic signal conversion module - Google Patents
Throttle control system logic signal conversion module Download PDFInfo
- Publication number
- CN104536363B CN104536363B CN201410701125.7A CN201410701125A CN104536363B CN 104536363 B CN104536363 B CN 104536363B CN 201410701125 A CN201410701125 A CN 201410701125A CN 104536363 B CN104536363 B CN 104536363B
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- China
- Prior art keywords
- unit
- schmidt
- control system
- voltage
- comparing
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Classifications
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B19/00—Programme-control systems
- G05B19/02—Programme-control systems electric
- G05B19/04—Programme control other than numerical control, i.e. in sequence controllers or logic controllers
- G05B19/05—Programmable logic controllers, e.g. simulating logic interconnections of signals according to ladder diagrams or function charts
- G05B19/054—Input/output
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B2219/00—Program-control systems
- G05B2219/20—Pc systems
- G05B2219/25—Pc structure of the system
- G05B2219/25314—Modular structure, modules
Abstract
Provided is a throttle control system logic signal conversion module. An input isolation unit is connected with Schmidt comparison units and a control voltage conversion unit. The Schmidt comparison unit a is connected with an output unit. The Schmidt comparison unit b is connected with a latch unit. The Schmidt comparison unit b is connected with a synchronization unit, and the synchronization unit is connected with the output unit. The Schmidt comparison unit c is connected with the latch unit, the control voltage conversion unit, and a voltage controlled oscillator unit. The latch unit is connected with an enable delay unit and the voltage controlled oscillator unit. The enable delay unit is connected with the output unit. The throttle control system logic signal conversion module of the invention adopts a single device, has high reliability and maintainability, can achieve a complete control function, and has low power consumption and high anti-interference performance. The problem concerning accurate gas turbine fuel valve control is solved, and a strong guarantee is provided for the realization of fast and accurate control of a whole gas turbine control system. The throttle control system logic signal conversion module can efficiently connect a PLC and a motor driver board to improve the corresponding speed and control precision of a motor.
Description
Technical field：
Present invention relates particularly to a kind of throttle control system logical signal modular converter.
Background technology：
At present, as institute's internal-combustion gas turbine engine in recent years is applied to generate electricity, fires the fields such as drive compressor group, to gas turbine control
System processed it is also proposed higher requirement.The core processing module that PLC is controlled as gas turbine rotary speed, its principle is using suitable
The method of operation of sequence scanning, thus there is a problem of that signal transacting real-time is poor.However, the control accuracy of fuel valve and holding
Scanning frequency degree has strong influence to the operation control effect of whole combustion engine.
The content of the invention：
The invention aims to overcome the weak point that above-mentioned prior art is present, and provide a kind of Throttle Opening Control system
System logical signal modular converter, present invention employs more single device model, with high reliability and maintainability, and can
Complete control function is realized, with low-power consumption, high noiseproof feature, the essence of gas turbine fuel valve is fundamentally solved
Really control problem, realizes that fast accurate control provides strong guarantee for whole turbine control system；Can efficiently connect
PLC and Motor drive plate, improve the corresponding speed and control accuracy of motor.
In order to achieve the above object, the present invention adopts following technological improvement：
Throttle control system logical signal modular converter, input isolated location is electric with Schmidt's comparing unit and control respectively
Pressure converting unit is connected；Schmidt's comparing unit is more single by Schmidt comparing unit a, Schmidt's comparing unit b and Schmidt
First c composition, Schmidt comparing unit a, Schmidt's comparing unit b and Schmidt's comparing unit c arranged in parallel, and respectively with input
Isolated location is connected；Schmidt's comparing unit a is by latch unit and enables delay unit, and is connected with output unit；Apply
Close special comparing unit b is connected by lock unit with latch unit；Schmidt comparing unit b is connected with lock unit, together
Step unit is connected by Schmidt's comparing unit c and voltage control oscillator unit with output unit；Schmidt's comparing unit c point
It is not connected with latch unit, control voltage converting unit, voltage control oscillator unit；Latch unit respectively with enable time delay list
Unit is connected with voltage control oscillator unit；Enable delay unit to be connected with output unit.
As a further improvement on the present invention, described Schmidt's comparing unit is defeated by comparator and optical coupling isolator
The voltage signal for going out.
As a further improvement on the present invention, only it is provided with a triode in described lock unit.
As a further improvement on the present invention, two amplifiers are set in described control voltage converting unit and build two
Voltage follower, and two voltage followers are the connected mode for concatenating.
The present invention has reached following beneficial effect through above-mentioned technological improvement：
More single device model is employed, with high reliability and maintainability, and complete control work(can be realized
Can, with low-power consumption, high noiseproof feature, the precise control of gas turbine fuel valve is fundamentally solved the problems, such as, it is whole
Individual turbine control system realizes that fast accurate control provides strong guarantee；PLC and Motor drive plate can efficiently be connected,
Improve the corresponding speed and control accuracy of motor.
Description of the drawings：
Fig. 1 is the structural representation of throttle control system logical signal modular converter of the present invention.
Specific embodiment：
Below in conjunction with the accompanying drawings, the present invention will be further described：
Throttle control system logical signal modular converter, it is characterised in that：Input isolated location 6 compares respectively with Schmidt
Unit is connected with control voltage converting unit 8；Schmidt's comparing unit is by Schmidt comparing unit a2-1, Schmidt's comparing unit
B2 and Schmidt's comparing unit c2-2 is constituted, and Schmidt comparing unit a2-1, Schmidt's comparing unit b2 and Schmidt are more single
First c2-2 arranged in parallel, and respectively with input isolated location 6 be connected；Schmidt's comparing unit a2-1 passes through the He of latch unit 4
Delay unit 5 is enabled, and is connected with output unit 7；Schmidt's comparing unit b2 by lock unit 3, and with latch unit 4
It is connected；Schmidt's comparing unit b2 is connected with lock unit 3, and lock unit 3 is by Schmidt's comparing unit c2-2 and voltage-controlled shakes
Device unit 1 is swung, and is connected with output unit 7；Schmidt's comparing unit c2-2 is changed respectively with latch unit 4, control voltage
Unit 8, voltage control oscillator unit 1 are connected；Latch unit 4 respectively with enable delay unit 5 and the phase of voltage control oscillator unit 1
Even；Enable delay unit 5 to be connected with output unit 7.
Voltage control oscillator unit 1 builds basic circuit and produces oscillating circuit using two comparators, by changing each electricity
The output frequency of the adjustable oscillator signal of resistance resistance.Schmidt's comparing unit is constituted using comparator and optical coupling isolator, and its is defeated
Go out voltage and there is preferable vulnerability to jamming and larger pressure reduction.Lock unit 3 dexterously realizes enable only with a triode
Signal is synchronous with both impulse oscillation signals, can effectively prevent the incomplete pulse signal behind the door of output.Latch unit 4 is sharp
The function that basic circuit realizes signal latch is built with comparator.Enable delay unit 5 to realize using the charge-discharge characteristic of electric capacity
Delay effect coordinates it is achieved thereby that the delay effect of signal with comparator simultaneously.Input isolated location 6 adopts optical coupling isolator
The reliability of signal is effectively improved, the mutual interference between signal is reduced.Output unit 7 is all used uniformly across triode and penetrates level output
Form, it is ensured that the larger stabling current of output.Control voltage converting unit 8 builds the electricity of cascade thereof by two amplifiers
Voltage follower circuit, by input signal the reliable conversion of the different voltages of height two is capable of achieving.
The present invention operation principle be：
By the voltage conversion of outside input it is each job note by power subsystem by outside input 24V voltage to power subsystem
First required voltage is simultaneously supplied to each working cell, and then ensures the normal work of unit.Throttle control module
Input signal includes：Enable command signal, stop instruction signal, direction command signal, assisted instruction signal, its output order bag
Include：Enable command signal, behind the door pulse signal, direction command signal.On the premise of each working cell normal work, direction refers to
Make input signal（Voltage signal）Merely through still defeated as direction instruction in the form of voltage after input isolated location and output unit
Go out signal.Assisted instruction signal（Voltage signal）Sequentially pass through input isolated location, control voltage converting unit and VCO
Device unit produces high-frequency impulse as pilot process signal to coordinate enable input signal to draw final pulse signal behind the door.
Enable command input signals（Voltage signal）It is divided into two branch roads after through being input into isolated location：It is more single through Schmidt all the way
After unit again with another road through Schmidt's comparing unit, lock unit, latch unit and enable delay unit output signal
Logic or computing are carried out, its result is after output unit in the form of voltage as enable instruction output signal；Meanwhile, Ling Yilu
Through Schmidt's comparing unit, lock unit（Realize enabling both high-frequency impulses that signal is produced with voltage control oscillator unit
It is synchronous）, produce high-frequency pulse signal with voltage control oscillator unit again after latch unit and carry out logic and operation, its result is passed through
In the form of voltage as pulse signal behind the door after output unit.Stop instruction signal is through input block, Schmidt's comparing unit
A voltage signal is produced afterwards to release latch function, and so as to release instruction output signal, behind the door pulse signal are enabled.
Claims (4)
1. throttle control system logical signal modular converter, it is characterised in that：Input isolated location（6）Compare with Schmidt respectively
Unit and control voltage converting unit（8）It is connected；Schmidt's comparing unit is by Schmidt comparing unit a（2-1）, Schmidt compares
Unit b（2）With Schmidt comparing unit c（2-2）Composition, Schmidt comparing unit a（2-1）, Schmidt comparing unit b（2）With
Schmidt comparing unit c（2-2）Arranged in parallel, and respectively with input isolated location（6）It is connected；Schmidt comparing unit a（2-1）
By latch unit（4）With enable delay unit（5）, and and output unit（7）It is connected；Schmidt comparing unit b（2）Pass through
Lock unit（3）, and and latch unit（4）It is connected；Schmidt comparing unit b（2）With lock unit（3）It is connected, it is synchronous single
Unit（3）By Schmidt comparing unit c（2-2）And voltage control oscillator unit（1）, and and output unit（7）It is connected；Schmidt's ratio
Compared with unit c（2-2）Respectively with latch unit（4）, control voltage converting unit（8）, voltage control oscillator unit（1）It is connected；Lock
Storage unit（4）Respectively with enable delay unit（5）And voltage control oscillator unit（1）It is connected；Enable delay unit（5）With output
Unit（7）It is connected.
2. throttle control system logical signal modular converter according to claim 1, it is characterised in that：Described Schmidt
Comparing unit is the voltage signal exported by comparator and optical coupling isolator.
3. throttle control system logical signal modular converter according to claim 1, it is characterised in that：Described is synchronous single
Unit（3）Inside only it is provided with a triode.
4. throttle control system logical signal modular converter according to claim 1, it is characterised in that：Described control electricity
Pressure converting unit（8）Two amplifiers of interior setting build two voltage followers, and two voltage followers are the connection for concatenating
Mode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410701125.7A CN104536363B (en) | 2014-11-28 | 2014-11-28 | Throttle control system logic signal conversion module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410701125.7A CN104536363B (en) | 2014-11-28 | 2014-11-28 | Throttle control system logic signal conversion module |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104536363A CN104536363A (en) | 2015-04-22 |
| CN104536363B true CN104536363B (en) | 2017-05-10 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410701125.7A Active CN104536363B (en) | 2014-11-28 | 2014-11-28 | Throttle control system logic signal conversion module |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0665134A2 (en) * | 1994-01-29 | 1995-08-02 | Shenyan Enterprise Int'l Pte Ltd. | Dimmer controller circuit for automobile headlamps |
| CN201517333U (en) * | 2009-09-22 | 2010-06-30 | 李昌刚 | Automobile window anti-nip controller based on ripple current detection |
| CN201539338U (en) * | 2009-10-30 | 2010-08-04 | 南京威孚金宁有限公司 | Electronic control unit of dispensing pump |
| CN202183591U (en) * | 2011-04-19 | 2012-04-04 | 巨争号 | Voltage abnormity protecting device having a relay characteristic |
| CN102938648A (en) * | 2012-10-31 | 2013-02-20 | 上海华兴数字科技有限公司 | Analog quantity output circuit applied to controller of engineering machinery |
| CN204241928U (en) * | 2014-11-28 | 2015-04-01 | 哈尔滨广瀚燃气轮机有限公司 | Throttle control system logical signal modular converter |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20040021437A (en) * | 2002-09-04 | 2004-03-10 | 위니아만도 주식회사 | Apparatus for controlling inner temperature of kimchi storage |
| JP5588305B2 (en) * | 2010-10-29 | 2014-09-10 | 本田技研工業株式会社 | Power supply |
-
2014
- 2014-11-28 CN CN201410701125.7A patent/CN104536363B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0665134A2 (en) * | 1994-01-29 | 1995-08-02 | Shenyan Enterprise Int'l Pte Ltd. | Dimmer controller circuit for automobile headlamps |
| CN201517333U (en) * | 2009-09-22 | 2010-06-30 | 李昌刚 | Automobile window anti-nip controller based on ripple current detection |
| CN201539338U (en) * | 2009-10-30 | 2010-08-04 | 南京威孚金宁有限公司 | Electronic control unit of dispensing pump |
| CN202183591U (en) * | 2011-04-19 | 2012-04-04 | 巨争号 | Voltage abnormity protecting device having a relay characteristic |
| CN102938648A (en) * | 2012-10-31 | 2013-02-20 | 上海华兴数字科技有限公司 | Analog quantity output circuit applied to controller of engineering machinery |
| CN204241928U (en) * | 2014-11-28 | 2015-04-01 | 哈尔滨广瀚燃气轮机有限公司 | Throttle control system logical signal modular converter |
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| Publication number | Publication date |
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| CN104536363A (en) | 2015-04-22 |
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