CN101893228A - Circuit of intelligent power saving device for heating boiler system - Google Patents
Circuit of intelligent power saving device for heating boiler system Download PDFInfo
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- CN101893228A CN101893228A CN2009101428720A CN200910142872A CN101893228A CN 101893228 A CN101893228 A CN 101893228A CN 2009101428720 A CN2009101428720 A CN 2009101428720A CN 200910142872 A CN200910142872 A CN 200910142872A CN 101893228 A CN101893228 A CN 101893228A
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Abstract
The invention relates to a circuit of an intelligent power saving device for a heating boiler system, comprising two intelligent power saving control circuits, an air blower, a draught fan, two main loop circuits and a control circuit, wherein two intelligent power saving control circuits are composed of two micro-differential pressure transmitters, two PID controllers, two high-performance transducers and two motor-drive systems which are connected through the circuit; and the two main loop circuits are composed of a breaker, a combination switch, two intermediate relays, three contactors and the high-performance transducers which are connected through the circuit and respectively achieve the control and conversion of intelligent power saving, bypass and stopping. The circuit of the intelligent power saving device for the heating boiler system provided by the invention can respectively ensure the control precision of the air blower and the draught fan in the heating boiler system, and regulate the speed of the motor at random according to the production requirements to cause the output air quantity to be subjected to stepless adjustment, thereby saving electricity and reducing consumption as well as improving work efficiency of production. The design and production processing of the circuit is simple, and the operation of the device is convenient.
Description
Technical field:
The present invention relates to a kind of by two elementary errors transmitters, two PID controllers, two high-performance transducers and two circuit of intelligent power saving device for heating boiler system that motor drive system is formed.
Background technology:
In advanced power-saving technique of the heating boiler system of applying at present and equipment, there is a grade reduction of speed economize on electricity product in the heating boiler system economize on electricity, to occupy suitable proportion, and brought into play economize on electricity effect preferably.But the simple grade reduction of speed economize on electricity product that has just has the constant speed on rank, can't satisfy the requirement that heating boiler system improves control accuracy and intelligent energy-saving.Owing to there is such shortcoming, make advanced power-saving technique and equipment be subjected to considerable restraint in the application of heating boiler system, its source electricity-saving function is not brought into play as yet fully.
Summary of the invention:
Purpose of design of the present invention provide a kind of simple in structure, easy to operate, control accuracy is high, the circuit of intelligent power saving device for heating boiler system of investment economy.Solve present power-saving technique and equipment and can't satisfy shortcoming and the problem that heating boiler system improves control accuracy and intelligent energy-saving requirement, guarantee that heating boiler system satisfying the demand, under the prerequisite of reliable, safe operation, amplitude peak ground saves energy.
For reaching above-mentioned purpose, circuit of intelligent power saving device for heating boiler system provided by the invention, comprise two elementary errors transmitters that connect by circuit, two PID controllers, two intelligent energy-saving control circuits that two high-performance transducers and two motor drive systems are formed respectively and air blast, two groups of breakers that connect by circuit of air-introduced machine, a stacked switch, two auxiliary reclays, three contactors and the air blast of forming with high-performance transducer, two main loop circuits of air-introduced machine and control loop circuit are realized the heating boiler system air blast respectively, the air-introduced machine intelligent energy-saving, bypass, stop the control and the conversion of three kinds of states.
Elementary errors transmitter of described intelligent energy-saving control circuit is installed on the jet chimney, required steam pressure standard 4～20mA or 0～10V signal of telecommunication is sent into the feedback receive path of the built-in PID controller of heating boiler system electricity saver.PID controller of described intelligent energy-saving control circuit, reception compare with setting steam pressure value after handling required steam pressure standard 4～20mA or 0～10V signal of telecommunication, through PID controller generation computing signal, from motion tracking jet chimney upward pressure.High-performance transducer control and regulation blower motor soft start of described intelligent energy-saving control circuit and running speed, blower motor speed is changed along with the variation of steam pressure on the jet chimney, basicly stable in setting value, thus reach the purpose of intelligent energy-saving.
A negative pressure elementary errors of described intelligent energy-saving control circuit transmitter is installed on the burner hearth, furnace pressure standard 4～20mA or 0～10V signal of telecommunication is sent into the feedback receive path of heating boiler system electricity saver internal PID controller.PID controller of described intelligent energy-saving control circuit, receive to handle furnace pressure standard 4～20mA or 0～10V signal of telecommunication after, and set the combustion chamber draft force rate, produce computing signal, the negative pressure on the motion tracking burner hearth through the PID controller.High-performance transducer control and regulation air inducing motor soft start of described intelligent energy-saving control circuit and running speed, blower motor speed is changed along with the variation of combustion chamber draft value, basicly stable in setting value, keep the automatic operation of the constant assurance boiler combustion part of combustion chamber draft, thereby reach the purpose of intelligent energy-saving.
Described blower motor main loop circuit breaker has the function of connecting and cutting off the electricity supply; The breaker that closes, power connection, this group circuit is charged, and power supply indicator lights; The shutdown device, dump.Described stacked switch has economize on electricity, bypass and stops (neutral gear) three gears, is used for this group circuit working state and switches.The requirement of described auxiliary reclay compounding practice, execution command is transmitted signal, changing the duty of circuit, thereby realizes the purpose of set control or protection.Described contactor utilizes main contacts to open and close circuit, carries out control instruction with auxiliary contact.
Described air inducing motor main loop circuit breaker has the function of connecting and cutting off the electricity supply; The breaker that closes, power connection, this group circuit is charged, and power supply indicator lights; The shutdown device, dump.Described stacked switch has economize on electricity, bypass and stops (neutral gear) three gears, is used for this group circuit working state and switches.The requirement of described auxiliary reclay compounding practice, execution command is transmitted signal, changing the duty of circuit, thereby realizes the purpose of set control or protection.Described contactor utilizes main contacts to open and close circuit, carries out control instruction with auxiliary contact.
The present invention also comprises two fuses, one is connected between blower motor main loop circuit breaker and the stacked switch, this fuse, and promptly insurance (silk) is as the error protection of lead and equipment, prevent to transship and open circuit, it can satisfy the technical conditions relevant with electric equipment; It two is connected between air inducing motor main loop circuit breaker and the stacked switch, this fuse, i.e. and insurance (silk) prevents to transship and open circuit as error protection of lead and equipment, and it can satisfy the technical conditions relevant with electric equipment.
Circuit provided by the invention can guarantee to improve the heating boiler system control accuracy, can adjust electromotor velocity arbitrarily according to the production demand, makes air blast, air-introduced machine discharge quantity of fan step-less adjustment, economize on electricity consumption reduction and raising production work efficiency.This circuit design and manufacture craft are simple and direct, and equipment is easy to operate.
That circuit of intelligent power saving device for heating boiler system provided by the invention has is intelligent, the characteristics of novelty, advance, practicality, reliability.
Description of drawings
Fig. 1 Fig. 2 is circuit of intelligent power saving device for heating boiler system figure.
The specific embodiment
Below in conjunction with Fig. 1 Fig. 2, describe a kind of better embodiment of the present invention in detail:
What Fig. 1 described is intelligent power saving device for heating boiler system intelligent energy-saving control circuit provided by the invention, comprises two elementary errors transmitters, two PID controllers, two high-performance transducers of connecting by circuit.
The feedback receive path of heating boiler system electricity saver internal PID controller (1) sent into required steam pressure standard 4～20mA or 0～10V signal of telecommunication by a described elementary errors pressure transmitter (1) that is installed on the jet chimney.A PID controller of described intelligent energy-saving control circuit (1), compare with setting steam pressure value after receiving the required steam pressure standard 4～20mA of processing or 0～10V signal of telecommunication, produce the computing signal through PID controller (1), from motion tracking jet chimney upward pressure.A high-performance transducer of described intelligent energy-saving control circuit (1) control and regulation blower motor soft start and running speed, blower motor speed is changed along with the variation of steam pressure on the jet chimney, basicly stable in setting value, thus reach the purpose of intelligent energy-saving.
A described negative pressure elementary errors transmitter (2) that is installed on the burner hearth is sent into furnace pressure standard 4～20mA or 0～10V signal of telecommunication the feedback receive path of heating boiler system electricity saver internal PID controller (2).Described intelligent energy-saving control circuit PID controller (2), receive to handle furnace pressure standard 4～20mA or 0～10V signal of telecommunication after, and set the combustion chamber draft force rate, produce computing signal, the negative pressure on the motion tracking burner hearth through PID controller (2).A high-performance transducer of described intelligent energy-saving control circuit (2) control and regulation air inducing motor speed, the air inducing motor speed is changed along with the variation of combustion chamber draft value, make the interior negative regulation of stove in setting value, keep the automatic operation of the constant assurance boiler combustion part of combustion chamber draft, thereby reach the purpose of intelligent energy-saving.
What Fig. 2 described is one of two identical main loop circuits of intelligent power saving device for heating boiler system blower motor provided by the invention and air inducing motor and control loop circuit, comprise a breaker connecting by circuit 1, change-over switch 2, two auxiliary reclays 301 and 302, three contactors 401,402 and 403, frequency converters 6; Realize economize on electricity, bypass and stop the conversion of three kinds of states.Also comprise a fuse 5, it is connected between breaker 1 and the change-over switch 2.
Described blower motor or air inducing motor electricity saving state are exactly: this loop main switch in the machine that closes, and promptly breaker 1, and entire circuit is charged, and power supply indicator is bright.When change-over switch 2 was pushed the economize on electricity gear, the control power supply made contactor 402 get electric adhesive through the normally closed contact of auxiliary reclay 301; In the time of contactor 402 adhesives, the auxiliary normal opened contact of contactor 402 becomes closing point, and make contactor 403 get electric adhesive, in the time of contactor 403 adhesives, the auxiliary normal opened contact of contactor 403 becomes closing point, so auxiliary reclay 302 gets electric adhesive, make the normally closed contact of auxiliary reclay 302 open, the normal opened contact closure, normally closed contact and the closed normal opened contact turning circuit of auxiliary reclay 302 by auxiliary reclay 301, economize on electricity indicator lamp 701 is lighted, realize heating boiler system electricity saver electricity-saving function.
Described blower motor or the non-electricity-saving state of air inducing motor are exactly: when change-over switch 2 was pushed non-economize on electricity gear, the control power supply made contactor 401 adhesives through the normally closed contact of auxiliary reclay 302; In the time of contactor 401 adhesives, auxiliary normal opened contact closure through contactor 401, make auxiliary reclay 301 get electric adhesive, make the normally closed contact of auxiliary reclay 301 open, the normal opened contact closure, at this moment power supply lights bypass indicator lamp 702 through the normally closed contact and the closed normal opened contact turning circuit of contactor 401 of contactor 402, show that heating boiler system electricity saver circuit all disconnects, bypass functionality is realized.
Described blower motor or air inducing motor halted state are exactly: when stacked switch 2 was pushed between economize on electricity and the bypass neutral position, the heating boiler system electricity saver was in the halted state that economize on electricity and bypass functionality all do not move.
This circuit also can be used for the energy-conservation of heating boiler system feed pump, circulating pump.
Claims (2)
1. circuit of intelligent power saving device for heating boiler system, it is characterized in that, comprise two elementary errors transmitters that connect by circuit, two PID controllers, two high-performance transducers and two two intelligent energy-saving control circuits that motor drive system is formed, can guarantee to improve the heating boiler system air blast respectively, draw phoenix machine control accuracy, can adjust electromotor velocity arbitrarily according to the production demand, make the discharge quantity of fan step-less adjustment, economize on electricity consumption reduction and raising production work efficiency.
2. circuit of intelligent power saving device for heating boiler system as claimed in claim 1, it is characterized in that two main loop circuits and the control loop circuit that also comprise breakers that two groups of air blasts, air-introduced machine connect by circuit, stacked switch, two auxiliary reclays, three contactors and form with high-performance transducer.Realize heating boiler system air blast, air-introduced machine economize on electricity, bypass respectively and stop the conversion of three kinds of states;
Described stacked switch is provided with economize on electricity, bypass and stops three gears of neutral gear.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009101428720A CN101893228B (en) | 2009-05-19 | 2009-05-19 | Circuit of intelligent power saving device for heating boiler system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009101428720A CN101893228B (en) | 2009-05-19 | 2009-05-19 | Circuit of intelligent power saving device for heating boiler system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101893228A true CN101893228A (en) | 2010-11-24 |
| CN101893228B CN101893228B (en) | 2012-08-08 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009101428720A Expired - Fee Related CN101893228B (en) | 2009-05-19 | 2009-05-19 | Circuit of intelligent power saving device for heating boiler system |
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| Country | Link |
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| CN (1) | CN101893228B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102954012A (en) * | 2011-08-23 | 2013-03-06 | 苏州常乐泡塑有限公司 | Frequency conversion control circuit of forced and induced draft fan |
| CN103868096A (en) * | 2014-03-11 | 2014-06-18 | 莱芜钢铁集团有限公司 | Hearth negative pressure control method and control system |
| CN105756982A (en) * | 2014-12-16 | 2016-07-13 | 天津宏顺源科技有限公司 | Frequency conversion control system of boiler |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2906705Y (en) * | 2006-01-16 | 2007-05-30 | 宫卓立 | Intelligent steam-injection boiler monitoring and control system |
| CN201113901Y (en) * | 2007-05-09 | 2008-09-10 | 北京高和华泰节能环保科技有限公司 | Asynchronous motor dedicated automatic electricity saver circuit |
-
2009
- 2009-05-19 CN CN2009101428720A patent/CN101893228B/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102954012A (en) * | 2011-08-23 | 2013-03-06 | 苏州常乐泡塑有限公司 | Frequency conversion control circuit of forced and induced draft fan |
| CN103868096A (en) * | 2014-03-11 | 2014-06-18 | 莱芜钢铁集团有限公司 | Hearth negative pressure control method and control system |
| CN103868096B (en) * | 2014-03-11 | 2016-06-08 | 莱芜钢铁集团有限公司 | A kind of hearth vacuum control method and Controlling System |
| CN105756982A (en) * | 2014-12-16 | 2016-07-13 | 天津宏顺源科技有限公司 | Frequency conversion control system of boiler |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101893228B (en) | 2012-08-08 |
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