CN202748656U - Analog-quantity automatic-control system for organic heat-carrier furnace - Google Patents
Analog-quantity automatic-control system for organic heat-carrier furnace Download PDFInfo
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- CN202748656U CN202748656U CN2012204075107U CN201220407510U CN202748656U CN 202748656 U CN202748656 U CN 202748656U CN 2012204075107 U CN2012204075107 U CN 2012204075107U CN 201220407510 U CN201220407510 U CN 201220407510U CN 202748656 U CN202748656 U CN 202748656U
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- analog quantity
- organic heat
- carrier furnace
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P90/00—Enabling technologies with a potential contribution to greenhouse gas [GHG] emissions mitigation
- Y02P90/02—Total factory control, e.g. smart factories, flexible manufacturing systems [FMS] or integrated manufacturing systems [IMS]
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Abstract
The utility model discloses an analog-quantity automatic-control system for an organic heat-carrier furnace and the analog-quantity automatic-control system comprises an analog-quantity regulator of the organic heat-carrier furnace and an actuator. The analog-quantity regulator of the organic heat-carrier furnace comprises a programmable controller PLC and a distributed control system DCS. The actuator comprises an execution mechanism, a frequency converter and a servo amplifier. The control system also comprises a reserve manually-operation adjusting apparatus having an undisturbed switching function connected between the analog-quantity regulator of the organic heat-carrier furnace and the actuator in series. Preferably, the reserve manually-operation adjusting apparatus is an intelligent manipulator. Under conditions that the organic heat-carrier furnace is put in operation or is in a special state, the automatic-control system provided by the utility model can carry out manual control adjustment conveniently and rapidly and controlled objects can't fluctuate, thereby guaranteeing that the organic heat-carrier furnace can stably operate. The system is suitable for popularization use in the organic heat-carrier furnace.
Description
Technical field
The utility model relates to a kind of organic heat carrier furnace analog quantity automatic control system, belongs to organic heat carrier furnace automatic control technology field.
Background technology
Along with organic heat carrier furnace being widely used in all trades and professions, people also have higher requirement to the control of organic heat carrier furnace, require temperature stabilization and fine adjustment, automaticity high, simple to operation and safe and reliable to operation, therefore automatic control device and the regulation meter of advanced persons such as programmable controller PLC, Distributed Control System (DCS) DCS have obtained application in the analog quantity automatic control system of organic heat carrier furnace, have substantially realized the control requirement of people to organic heat carrier furnace.But, also there is following problem in existing organic heat carrier furnace analog quantity automatic control system: 1, just put into operation the stage at organic heat carrier furnace, each operating condition parameter of organic heat carrier furnace is also mated, and when needing manual intervention, manual intervention is so directly with convenient; 2, under special circumstances, for example generation fault, control device main frame break down or when keeping in repair, it is not convenient, quick to operate, and controlled device easily produces fluctuation; Though the instrument that 3, has with manual function, can only search in the layer and change arranging of instrument owing to changing the instrument operational mode, thereby the change of instrument operational mode be very inconvenient.
Summary of the invention
The technical problems to be solved in the utility model provides a kind of putting into operation and in particular cases, can not only carry out convenient, rapidly manual regulating and controlling, and can guarantee that controlled device can not produce fluctuation, realize the organic heat carrier furnace analog quantity automatic control system of organic heat carrier furnace stable operation.
For solving the problems of the technologies described above, the utility model adopts a kind of like this organic heat carrier furnace analog quantity automatic control system, comprises organic heat carrier furnace analog quantity regulator and actuator; Described organic heat carrier furnace analog quantity regulator comprises programmable controller PLC and Distributed Control System (DCS) DCS, described actuator comprises topworks, frequency converter and servoamplifier, this control system also comprises a backup manual operation regulating device with undisturbed handoff functionality, and this backup manual operation regulating device is connected between described organic heat carrier furnace analog quantity regulator and the actuator.
As a kind of preferred implementation of the present utility model, described backup manual operation regulating device is an intelligent operator, the positive pole of the conditioning signal input interface of this intelligent operator is electrically connected with the positive pole of the conditioning signal output interface of described analog quantity regulator, and the negative pole of the conditioning signal input interface of intelligent operator is connected with the negative electricity of the conditioning signal output interface of described analog quantity regulator; The positive pole of the operation signal output interface of intelligent operator is electrically connected with the positive pole of the given signal input interface of described actuator, and the negative pole of the operation signal output interface of intelligent operator is connected with the negative electricity of the given signal input interface of described actuator; The positive pole of the actuator executing location feedback signal input interface of intelligent operator is electrically connected with the positive pole of the executing location feedback signal interface of described actuator, and the negative pole of the actuator executing location feedback signal input interface of intelligent operator is connected with the negative electricity of the executing location feedback signal interface of described actuator; The actuator executing location feedback signal of intelligent operator becomes send the positive pole of output interface to be electrically connected with the positive pole of the actuator executing location feedback signal input interface of described analog quantity regulator, and the actuator executing location feedback signal of intelligent operator becomes send the negative pole of output interface to be connected with the negative electricity of the actuator executing location feedback signal input interface of described analog quantity regulator; The positive pole of the manual state output signal interface of intelligent operator is electrically connected with the positive pole of the intelligent operator status signal input interface of described analog quantity regulator, and the negative pole of the manual state output signal interface of intelligent operator is connected with the negative electricity of the intelligent operator status signal input interface of described analog quantity regulator.
After adopting said structure, the utlity model has following beneficial effect:
Because control system of the present utility model has been connected in series a backup manual operation regulating device with undisturbed handoff functionality between organic heat carrier furnace analog quantity regulator and actuator, this backup manual operation regulating device is preferably commercially available intelligent operator, therefore, the utility model organic heat carrier furnace analog quantity automatic control system is putting into operation and in particular cases, adopt in support instrument of intelligent operator, as long as the button on the touch intelligent manipulater panel, can be convenient, carry out fast manual regulating and controlling, because intelligent operator has the undisturbed handoff functionality, therefore, when automatically changing hands moving or manually turning automatic, can do not produced fluctuation by the control object, thereby guarantee that organic heat carrier furnace can stable operation.
Description of drawings
Below in conjunction with accompanying drawing embodiment of the present utility model is described in further detail.
Fig. 1 is a kind of structural representation of the utility model organic heat carrier furnace analog quantity automatic control system.
Embodiment
A kind of organic heat carrier furnace analog quantity automatic control system referring to shown in Figure 1 comprises organic heat carrier furnace analog quantity regulator 1 and actuator 3; Described organic heat carrier furnace analog quantity regulator 1 comprises programmable controller PLC and Distributed Control System (DCS) DCS, described actuator 3 comprises topworks, frequency converter and servoamplifier, this control system also comprises a backup manual operation regulating device 2 with undisturbed handoff functionality, and this backup manual operation regulating device 2 is connected between described organic heat carrier furnace analog quantity regulator 1 and the actuator 3.
In the utility model, as shown in Figure 1, described backup manual operation regulating device 2 is preferably an intelligent operator, this intelligent operator can be selected the intelligent operator of profit exact instrument company limited sale on Hong Kong or the intelligent operator with identical function that other producer sells, the positive pole of the conditioning signal input SVin interface of described intelligent operator is electrically connected with the positive pole of the conditioning signal output interface of described organic heat carrier furnace analog quantity regulator 1, and the negative pole of the conditioning signal input SVin interface of intelligent operator is connected with the negative electricity of the conditioning signal output interface of described analog quantity regulator 1; The positive pole of the operation signal output SVout interface of intelligent operator is electrically connected with the positive pole of the given signal input interface of described actuator 3, and the negative pole of the operation signal output SVout interface of intelligent operator is connected with the negative electricity of the given signal input interface of described actuator 3; The positive pole of the actuator executing location feedback signal input PVin interface of intelligent operator is electrically connected with the positive pole of the executing location feedback signal interface of described actuator 3, and the negative pole of the actuator executing location feedback signal input PVin interface of intelligent operator is connected with the negative electricity of the executing location feedback signal interface of described actuator 3; The actuator executing location feedback signal of intelligent operator becomes send the positive pole of output PVout interface to be electrically connected with the positive pole of the actuator executing location feedback signal input interface of described analog quantity regulator 1, and the actuator executing location feedback signal of intelligent operator becomes send the negative pole of output PVout interface to be connected with the negative electricity of the actuator executing location feedback signal input interface of described analog quantity regulator 1; The positive pole of the manual state output signal DO interface of intelligent operator is electrically connected with the positive pole of the intelligent operator status signal input interface of described analog quantity regulator 1, and the negative pole of the manual state output signal DO interface of intelligent operator is connected with the negative electricity of the intelligent operator status signal input interface of described analog quantity regulator 1.
The utility model is when work, and intelligent operator receives the adjusting input signal SVin that transports from analog quantity regulator 1, and signal type can be 0~10mA, 4~20mA, 0~5V, 1~5V physical quantity.Intelligent operator output function signal SVout is to actuator 3, can directly drive topworks, frequency converter or removed to drive electric control valve or removed to drive Pneumatic diaphragm valve etc. by electropneumatic transducer and valve positioner by servoamplifier again, controlled device is delivered to the controlled device measuring-signal described analog quantity regulator 1 again.When intelligent operator was in automatic mode, its input signal SVin and operation signal SVout were equivalent to lead directly to, to realize the automatic control of 1 pair of actuator 3 of analog quantity regulator.When intelligent operator was in manual state, its function class was similar to a manual station, can be by increasing, subtract the direct retouching operation signal value output of button on the intelligent operator panel, and signal type can be 0~10mA, 4~20mA, 0~5V, 1~5V physical quantity.Intelligent operator receiving actuator 3 executing location feedback signal PVin, signal type can be 0~10mA, 4~20mA, 0~5V, 1~5V or resistance signal physical quantity.Intelligent operator output actuator executing location feedback signal becomes send the analog quantity regulator 1 of output PVout to prime, make system monitor at any time execution value or the in-site measurement value of actuator 3, signal type can be 0~10mA, 4~20mA, 0~5V, 1~5V physical quantity.Intelligent operator manual state output signal DO, DO is passive contact signal, intelligent operator is when manually controlling, manual state output closure signal is to prime analog quantity regulator 1, analog quantity regulator 1 namely stops control algorithm after receiving manual state output closure signal, and make intelligent operator output function signal SVout take current actuator 3 executing location feedback signal PVin values as initial value, manually increase and decrease control of beginning.When intelligent operator after manually transfer automatic control to, manual state output signal DO cancels, analog quantity regulator 1 recovers control algorithm take current output function signal SVout value as initial value, automatically control, thereby realize that intelligent operator manually turns automatically or automatically changes hands moving state control all is that undisturbed switches, make control object not produce fluctuation, realize the stable operation of organic heat carrier furnace.
Through on probation, the utility model organic heat carrier furnace analog quantity automatic control system is putting into operation and in particular cases, can be convenient, carry out manual regulating and controlling rapidly, and controlled device does not produce fluctuation, and organic heat carrier furnace is stable, has obtained good effect.
Claims (2)
1. an organic heat carrier furnace analog quantity automatic control system comprises organic heat carrier furnace analog quantity regulator (1) and actuator (3); Described organic heat carrier furnace analog quantity regulator (1) comprises programmable controller PLC and Distributed Control System (DCS) DCS, described actuator (3) comprises topworks, frequency converter and servoamplifier, it is characterized in that: this control system also comprises a backup manual operation regulating device (2) with undisturbed handoff functionality, and this backup manual operation regulating device (2) is connected between described organic heat carrier furnace analog quantity regulator (1) and the actuator (3).
2. organic heat carrier furnace analog quantity automatic control system according to claim 1, it is characterized in that: described backup manual operation regulating device (2) is an intelligent operator, the positive pole of conditioning signal input (SVin) interface of this intelligent operator is electrically connected with the positive pole of the conditioning signal output interface of described analog quantity regulator (1), and the negative pole of conditioning signal input (SVin) interface of intelligent operator is connected with the negative electricity of the conditioning signal output interface of described analog quantity regulator (1); The positive pole of operation signal output (SVout) interface of intelligent operator is electrically connected with the positive pole of the given signal input interface of described actuator (3), and the negative pole of operation signal output (SVout) interface of intelligent operator is connected with the negative electricity of the given signal input interface of described actuator (3); The positive pole of actuator executing location feedback signal input (PVin) interface of intelligent operator is electrically connected with the positive pole of the executing location feedback signal interface of described actuator (3), and the negative pole of actuator executing location feedback signal input (PVin) interface of intelligent operator is connected with the negative electricity of the executing location feedback signal interface of described actuator (3); The actuator executing location feedback signal of intelligent operator becomes send the positive pole of output (PVout) interface to be electrically connected with the positive pole of the actuator executing location feedback signal input interface of described analog quantity regulator (1), and the actuator executing location feedback signal of intelligent operator becomes send the negative pole of output (PVout) interface to be connected with the negative electricity of the actuator executing location feedback signal input interface of described analog quantity regulator (1); The positive pole of manual state output signal (DO) interface of intelligent operator is electrically connected with the positive pole of the intelligent operator status signal input interface of described analog quantity regulator (1), and the negative pole of manual state output signal (DO) interface of intelligent operator is connected with the negative electricity of the intelligent operator status signal input interface of described analog quantity regulator (1).
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CN2012204075107U CN202748656U (en) | 2012-08-17 | 2012-08-17 | Analog-quantity automatic-control system for organic heat-carrier furnace |
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CN2012204075107U CN202748656U (en) | 2012-08-17 | 2012-08-17 | Analog-quantity automatic-control system for organic heat-carrier furnace |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN112856824A (en) * | 2021-01-20 | 2021-05-28 | 山东滨化东瑞化工有限责任公司 | Ignition and single-mixed-combustion DCS (distributed control System) control method for natural gas or hydrogen of heat-conducting oil furnace |
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2012
- 2012-08-17 CN CN2012204075107U patent/CN202748656U/en not_active Expired - Lifetime
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN112856824A (en) * | 2021-01-20 | 2021-05-28 | 山东滨化东瑞化工有限责任公司 | Ignition and single-mixed-combustion DCS (distributed control System) control method for natural gas or hydrogen of heat-conducting oil furnace |
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Granted publication date: 20130220 |
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