CN102852841A - Control system and method for axial flow fan - Google Patents
Control system and method for axial flow fan Download PDFInfo
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- CN102852841A CN102852841A CN2012101043096A CN201210104309A CN102852841A CN 102852841 A CN102852841 A CN 102852841A CN 2012101043096 A CN2012101043096 A CN 2012101043096A CN 201210104309 A CN201210104309 A CN 201210104309A CN 102852841 A CN102852841 A CN 102852841A
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Abstract
The invention discloses a control system and a control method for an axial flow fan. The control system consists of a processor, an object input circuit, a filtering light coupling circuit, a decoding circuit, a combinatorial logic control outlet, a photoelectric output drive and an output unit; the processor is connected with the decoding circuit and the combinatorial logic control outlet respectively, an input circuit, the filtering light coupling circuit and the decoding circuit are connected in sequence, and the combinatorial logic control outlet, the photoelectric output drive and the output unit are sequentially connected. The control system of the axial flow fan can automatically control the axial flow fan, and the manual intervention cost is saved; and in addition, the axial flow fan can be automatically controlled by a remote computer, thus being convenient for operating personnel to operate.
Description
Technical field
The invention belongs to the automatic control technology field, relate to a kind of axial-flow blower, relate in particular to a kind of control system of axial-flow blower; Simultaneously, the invention still further relates to the controlling method of above-mentioned axial-flow blower control system.
Background technique
Axial-flow blower, the air-flow that blows out exactly and the equidirectional blower fan of the axle of fan blade are exactly the blower fan that the axial flow mode is moved such as electric fan, air-conditioning outer machine fan.Why being called " axial flow ", is to flow because gas is parallel to fan shaft.Axial fan is used in higher and the occasion that the pressure requirement is lower of traffic requirement usually, and the axial fan fixed position also moves air.Axial-flow blower can be used for the place ventilation such as metallurgy, chemical industry, light industry, food, medicine and civil building or strengthens the usefulness of heat radiation.If casing is removed, also can be used as free fan, also can in long exhaust duct, be installed in series at the interval, to improve ducted blast.
At present internal and international upper control to axial-flow blower is hand switch control, and this product has used for many years in market.Traditional axial-flow blower control as shown in Figure 1.Along with the development of control technique, this needs realize that artificially the control mode of controlling can not adapt to the requirement of present development in science and technology.In view of this, nowadays in the urgent need to proposing a kind of control system that can realize the automatic control of axial-flow blower.
Summary of the invention
Technical problem to be solved by this invention is: a kind of control system of axial-flow blower is provided, can automatically controls axial-flow blower.
In addition, the present invention also provides the controlling method of above-mentioned axial-flow blower control system, can automatically control axial-flow blower.
For solving the problems of the technologies described above, the present invention adopts following technological scheme:
A kind of control system of axial-flow blower, described control system comprises: processor, input circuit, filtering light are every circuit, decoding circuit, Combinational Logic Control outlet, photoelectricity isolation output driving, output unit; Described processor connects respectively decoding circuit, Combinational Logic Control outlet, and described input circuit, filtering light connect successively every circuit, decoding circuit, and Combinational Logic Control outlet, photoelectricity isolation output drive, output unit connects successively.
Input circuit is in order to gathering the state of each control mode, and is converted to digital signal; Filtering light in order to in addition filtering of input signal, isolation, is removed input circuit to the interference of processor every circuit; Decoding circuit is converted to the signal that single-chip microcomputer needs in order to the signal with input circuit; The Combinational Logic Control outlet is in order to carry out Combinational Logic Control to output signal, anti-stop signal misoperation; Photoelectricity isolation output drives in order to output loop is carried out the photoelectricity isolation, prevents that output loop is to the interference of processor; Output unit is in order to export the output signal under the various states.
As a preferred embodiment of the present invention, described control system also comprises display device, keyboard, storage, clock circuit, state indication unit, serial communication port, supervisory control comuter; Described processor connects respectively display device, keyboard, storage, clock circuit, state indication unit; Processor connects supervisory control comuter by serial communication port.
As a preferred embodiment of the present invention, described decoding circuit is connected with latch.
As a preferred embodiment of the present invention, described processor is single-chip microcomputer.
A kind of controlling method of control system of above-mentioned axial-flow blower, described controlling method comprise fire-fighting control step, temperature controlling step, humidity control step, gas concentration control step, time control step;
The priority of fire-fighting control is the highest, after fire-fighting control definite value is opened, only accepts the output that the fire-fighting control signal is controlled the amount of leaving; Open input signal when effective when fire-fighting, the amount of leaving has output; When fire-fighting pass input signal is effective, the amount of leaving no-output;
Temperature is controlled, humidity is controlled, the priority of gas concentration is inferior high, after having one to open among temperature control definite value, humidity control definite value, the gas concentration definite value, just accepts the output that temperature is controlled, humidity is controlled, gas concentration is controlled the amount of leaving;
The priority of time control is minimum, and when fire-fighting control definite value, temperature control definite value, humidity control definite value, gas concentration definite value Close All, and after time control definite value opened, the time of just accepting was controlled the output of the amount of leaving.
As a preferred embodiment of the present invention, the intake of fireman's switch is all effective under any state;
Hand switch only under manual state effectively, when the intake of recloser has out fashionablely, the intake of hand switch is invalid;
The intake of recloser is only effective under auto state;
When the intake of fireman's switch was moved, other intake all was blocked; When the intake of fireman's switch was failure to actuate, other intake just worked.
Beneficial effect of the present invention is: control system and the method for the axial-flow blower that the present invention proposes, can automatically control axial-flow blower, and save the cost of manual intervention; Simultaneously, can automatically control by remote computer the convenient operation personnel operation to axial-flow blower.
Description of drawings
Fig. 1 is traditional axial-flow blower control graph.
Fig. 2 is the composition schematic diagram of control system of the present invention.
Fig. 3 is control system internal hardware theory diagram of the present invention.
Embodiment
Describe the preferred embodiments of the present invention in detail below in conjunction with accompanying drawing.
Embodiment one
See also Fig. 2, the present invention has disclosed a kind of control system of axial-flow blower, and described control system comprises: processor, input circuit, filtering light are every circuit, decoding circuit, Combinational Logic Control outlet, photoelectricity isolation output driving, output unit; Described processor connects respectively decoding circuit, Combinational Logic Control outlet, and described input circuit, filtering light connect successively every circuit, decoding circuit, and Combinational Logic Control outlet, photoelectricity isolation output drive, output unit connects successively.Described processor can be single-chip microcomputer; Described decoding circuit can also be connected with latch.
Input circuit is in order to gathering the state of each control mode, and is converted to digital signal; Filtering light in order to in addition filtering of input signal, isolation, is removed input circuit to the interference of processor every circuit; Decoding circuit is converted to the signal that single-chip microcomputer needs in order to the signal with input circuit; The Combinational Logic Control outlet is in order to carry out Combinational Logic Control to output signal, anti-stop signal misoperation; Photoelectricity isolation output drives in order to output loop is carried out the photoelectricity isolation, prevents that output loop is to the interference of processor; Output unit is in order to export the output signal under the various states.
Described control system also comprises display device, keyboard, storage, clock circuit, state indication unit, serial communication port, supervisory control comuter; Described processor connects respectively display device, keyboard, storage, clock circuit, state indication unit; Processor connects supervisory control comuter by serial communication port.
Intelligent processor of the present invention has been realized freely switching of manual control/automatic control, in the situation that automatically control can realize the accurate control under different operating modes and the condition.Generally speaking the intelligent processor of the present invention operating mode that can run into mainly is time, temperature, humidity, fire-fighting, harmful gas etc.Intelligent processor of the present invention is the control for the existing automation of various operating modes reality, realizes to the automatic control of axial-flow blower as shown in Figure 3 by intelligent processor of the present invention.
Described controlling method comprises fire-fighting control step, temperature controlling step, humidity control step, gas concentration control step, time control step; Relation between fire-fighting control, temperature control, humidity control, gas concentration, the time control is as follows:
The priority of fire-fighting control is the highest, after fire-fighting control definite value is opened, only accepts the output that the fire-fighting control signal is controlled the amount of leaving; Open input signal when effective when fire-fighting, the amount of leaving has output; When fire-fighting pass input signal is effective, the amount of leaving no-output;
Temperature is controlled, humidity is controlled, the priority of gas concentration is inferior high, after having one to open among temperature control definite value, humidity control definite value, the gas concentration definite value, just accepts the output that temperature is controlled, humidity is controlled, gas concentration is controlled the amount of leaving;
The priority of time control is minimum, and when fire-fighting control definite value, temperature control definite value, humidity control definite value, gas concentration definite value Close All, and after time control definite value opened, the time of just accepting was controlled the output of the amount of leaving.
Relation between each intake is as follows: the intake of fireman's switch is all effective under any state; Hand switch only under manual state effectively, when the intake of recloser has out fashionablely, the intake of hand switch is invalid; The intake of recloser is only effective under auto state; When the intake of fireman's switch was moved, other intake all was blocked; When the intake of fireman's switch was failure to actuate, other intake just worked.
Particularly: when input signal (fire-fighting is opened, fire-fighting close) action, controller is only accepted the instruction that fire-fighting comes.When the fire-fighting switching is closed, fan starting; When fire-fighting was performed fighting out, blower fan stopped, and blower fan turns by other control mode control; When closure was closed in fire-fighting, blower fan stopped; When opened the fire-fighting pass, blower fan turned by other control mode control.
When input signal (automatically) moved, controller was in automatic operating mode, was decided by inner definite value and adopted which kind of control mode.
When input signal (manually open, manually close) action, controller is in from manual mode of operation.When manual switching is closed, fan starting; When manual-lock closed, blower fan stopped.
In sum, control system and the method for the axial-flow blower that the present invention proposes can be controlled automatically to axial-flow blower, save the cost of manual intervention; Simultaneously, can automatically control by remote computer the convenient operation personnel operation to axial-flow blower.
Here description of the invention and application is illustrative, is not to want with scope restriction of the present invention in the above-described embodiments.Here disclosed embodiment's distortion and change is possible, and the various parts of embodiment's replacement and equivalence are known for those those of ordinary skill in the art.Those skilled in the art are noted that in the situation that do not break away from spirit of the present invention or substantive characteristics, and the present invention can be with other form, structure, layout, ratio, and realize with other assembly, material and parts.In the situation that do not break away from the scope of the invention and spirit, can carry out other distortion and change to disclosed embodiment here.
Claims (6)
1. the control system of an axial-flow blower is characterized in that, described control system comprises: processor, input circuit, filtering light are every circuit, decoding circuit, Combinational Logic Control outlet, photoelectricity isolation output driving, output unit;
Described processor connects respectively decoding circuit, Combinational Logic Control outlet, and described input circuit, filtering light connect successively every circuit, decoding circuit, and Combinational Logic Control outlet, photoelectricity isolation output drive, output unit connects successively;
Input circuit is in order to gathering the state of each control mode, and is converted to digital signal;
Filtering light in order to in addition filtering of input signal, isolation, is removed input circuit to the interference of processor every circuit;
Decoding circuit is converted to the signal that single-chip microcomputer needs in order to the signal with input circuit;
The Combinational Logic Control outlet is in order to carry out Combinational Logic Control to output signal, anti-stop signal misoperation;
Photoelectricity isolation output drives in order to output loop is carried out the photoelectricity isolation, prevents that output loop is to the interference of processor;
Output unit is in order to export the output signal under the various states.
2. the control system of axial-flow blower according to claim 1 is characterized in that:
Described control system also comprises display device, keyboard, storage, clock circuit, state indication unit, serial communication port, supervisory control comuter;
Described processor connects respectively display device, keyboard, storage, clock circuit, state indication unit; Processor connects supervisory control comuter by serial communication port.
3. the control system of axial-flow blower according to claim 1 is characterized in that:
Described decoding circuit is connected with latch.
4. the control system of axial-flow blower according to claim 1 is characterized in that:
Described processor is single-chip microcomputer.
5. the controlling method of the control system of an axial-flow blower claimed in claim 1 is characterized in that:
Described controlling method comprises fire-fighting control step, temperature controlling step, humidity control step, gas concentration control step, time control step;
The priority of fire-fighting control is the highest, after fire-fighting control definite value is opened, only accepts the output that the fire-fighting control signal is controlled the amount of leaving; Open input signal when effective when fire-fighting, the amount of leaving has output; When fire-fighting pass input signal is effective, the amount of leaving no-output;
Temperature is controlled, humidity is controlled, the priority of gas concentration is inferior high, after having one to open among temperature control definite value, humidity control definite value, the gas concentration definite value, just accepts the output that temperature is controlled, humidity is controlled, gas concentration is controlled the amount of leaving;
The priority of time control is minimum, and when fire-fighting control definite value, temperature control definite value, humidity control definite value, gas concentration definite value Close All, and after time control definite value opened, the time of just accepting was controlled the output of the amount of leaving.
6. controlling method according to claim 5 is characterized in that:
The intake of fireman's switch is all effective under any state;
Hand switch only under manual state effectively, when the intake of recloser has out fashionablely, the intake of hand switch is invalid;
The intake of recloser is only effective under auto state;
When the intake of fireman's switch was moved, other intake all was blocked; When the intake of fireman's switch was failure to actuate, other intake just worked.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210104309.6A CN102852841B (en) | 2012-04-10 | 2012-04-10 | Control system and method for axial flow fan |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210104309.6A CN102852841B (en) | 2012-04-10 | 2012-04-10 | Control system and method for axial flow fan |
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| CN102852841A true CN102852841A (en) | 2013-01-02 |
| CN102852841B CN102852841B (en) | 2015-01-07 |
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| CN201210104309.6A Expired - Fee Related CN102852841B (en) | 2012-04-10 | 2012-04-10 | Control system and method for axial flow fan |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US9567976B2 (en) | 2013-09-18 | 2017-02-14 | Delta Electronics, Inc. | Wind turbine control system and control method thereof |
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| JPH06348369A (en) * | 1993-06-03 | 1994-12-22 | Nec Corp | Cooling system for multi-processor system |
| CN1309339A (en) * | 2001-04-02 | 2001-08-22 | 白春明 | Frequency-changing control system of fan |
| JP2006242521A (en) * | 2005-03-07 | 2006-09-14 | Dainichi Co Ltd | Warm air heater |
| CN201347874Y (en) * | 2009-02-05 | 2009-11-18 | 重庆贻科科技有限公司 | Fan energy-saving control system |
| CN101624996A (en) * | 2008-07-07 | 2010-01-13 | 航天科工海鹰集团有限公司 | Novel fan electrical control system |
| CN201429804Y (en) * | 2009-06-24 | 2010-03-24 | 深圳市德泽能源科技有限公司 | Novel warm air blower MCU intelligent control system |
| CN102226565A (en) * | 2011-04-12 | 2011-10-26 | 济南大学 | Novel intelligent ventilating frequency-conversion controller |
| CN102305455A (en) * | 2011-10-12 | 2012-01-04 | 上海风翼空调设备有限公司 | Intelligent through-flow air-interchange ventilation control system and control device and method thereof |
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2012
- 2012-04-10 CN CN201210104309.6A patent/CN102852841B/en not_active Expired - Fee Related
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH06348369A (en) * | 1993-06-03 | 1994-12-22 | Nec Corp | Cooling system for multi-processor system |
| CN1309339A (en) * | 2001-04-02 | 2001-08-22 | 白春明 | Frequency-changing control system of fan |
| JP2006242521A (en) * | 2005-03-07 | 2006-09-14 | Dainichi Co Ltd | Warm air heater |
| CN101624996A (en) * | 2008-07-07 | 2010-01-13 | 航天科工海鹰集团有限公司 | Novel fan electrical control system |
| CN201347874Y (en) * | 2009-02-05 | 2009-11-18 | 重庆贻科科技有限公司 | Fan energy-saving control system |
| CN201429804Y (en) * | 2009-06-24 | 2010-03-24 | 深圳市德泽能源科技有限公司 | Novel warm air blower MCU intelligent control system |
| CN102226565A (en) * | 2011-04-12 | 2011-10-26 | 济南大学 | Novel intelligent ventilating frequency-conversion controller |
| CN102305455A (en) * | 2011-10-12 | 2012-01-04 | 上海风翼空调设备有限公司 | Intelligent through-flow air-interchange ventilation control system and control device and method thereof |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US9567976B2 (en) | 2013-09-18 | 2017-02-14 | Delta Electronics, Inc. | Wind turbine control system and control method thereof |
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| CN102852841B (en) | 2015-01-07 |
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Owner name: NANJING BAOHE TAIHE POWER TECHNOLOGY CO., LTD. Free format text: FORMER OWNER: JIN ZHAOAN Effective date: 20140902 |
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Effective date of registration: 20140902 Address after: 211000 industrial horticulture 24-2, Pukou District, Jiangsu, Nanjing, Qiaolin Applicant after: NANJING BAOHETAIHE ELECTRIC POWER TECHNOLOGY Co.,Ltd. Address before: 505, room 139, Ma 210009, Nanjing, Jiangsu Applicant before: Jin Zhaoan |
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