CN203604232U - Frequency conversion draught fan system - Google Patents
Frequency conversion draught fan system Download PDFInfo
- Publication number
- CN203604232U CN203604232U CN201320758579.9U CN201320758579U CN203604232U CN 203604232 U CN203604232 U CN 203604232U CN 201320758579 U CN201320758579 U CN 201320758579U CN 203604232 U CN203604232 U CN 203604232U
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- frequency conversion
- blower fan
- pipeline
- draught fan
- fan system
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- 238000006243 chemical reaction Methods 0.000 title claims abstract description 28
- 238000004891 communication Methods 0.000 claims abstract description 7
- 238000012545 processing Methods 0.000 claims abstract description 4
- 239000000428 dust Substances 0.000 claims description 24
- 238000012806 monitoring device Methods 0.000 claims description 4
- 238000012544 monitoring process Methods 0.000 claims description 4
- 239000000203 mixture Substances 0.000 claims description 3
- 238000005259 measurement Methods 0.000 description 3
- 229910001021 Ferroalloy Inorganic materials 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000003723 Smelting Methods 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000013467 fragmentation Methods 0.000 description 1
- 238000006062 fragmentation reaction Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000010926 purge Methods 0.000 description 1
- 230000001953 sensory effect Effects 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
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- Control Of Positive-Displacement Air Blowers (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The utility model provides a frequency conversion draught fan system. The frequency conversion draught fan system is characterized by comprising a draught fan, a frequency converter, a controller and a background monitor, wherein the frequency converter is used for adjusting the blast capacity of the draught fan, the controller serves as front-end processing and controls the draught fan and the frequency converter, the background monitor is provided with two serial ports, one serial port is communicated with the controller, and the other serial port is connected with the frequency converter through a transverter to form a communication network and collects the operating parameters of the frequency converter. The frequency conversion draught fan system is suitable for large collecting-distributing systems, the blast capacity of the draught fan is adjusted according to the demands of loads of the draught fan in a unifying mode, centralized control is achieved, operation is convenient, and the electric energy is saved.
Description
Technical field
The utility model relates to dedusting automation control area, particularly a kind of frequency conversion fan system.
Background technique
Frequency conversion fan is widely used in the dedusting operation of various kinds of equipment or production scene, in ferro-alloy enterprise, ferro-alloy plant area dust is serious, tumble from feed proportioning, batch mixing to material loading, slagging and smelting, all can produce dust to finished product fragmentation, directly endanger the healthy of operating personnel, in general territory, have the place of multiple generation dust, design the powerful dedusting fan of several covers, cause a large amount of energy wastes.In large-scale blower fan Distributed Control System, the equipment that needs dedusting of on-the-spot operation is more, the operation of each equipment is random, the required air quantity of dedusting is different, parameters that can accurately sensory perceptual system, the output power of adjustment blower fan that just can not be suitable, the equipment top air quantity that will cause some to need dedusting is large, cause the loss of useful material, some need the equipment top air quantity of dedusting little, do not play the effect of dedusting, also may be high because of system wind pressure, there is contingency.
Model utility content
The utility model, for above-mentioned deficiency, provides a kind of frequency conversion fan system.
The technological scheme that the utility model provides is:
A kind of frequency conversion fan system, comprising:
Blower fan;
Regulate the frequency variator of fan delivery;
Controller, it controls blower fan and frequency variator as front-end processing;
Background monitoring device, described background monitoring utensil has two serial ports, and wherein, serial ports and controller carry out communication, and another serial ports, by transducer and frequency variator composition communication network, gathers the Operational Limits of frequency variator.
Preferably, in described frequency conversion fan system, described blower fan includes main line and point pipeline, and wherein, the end of described point of pipeline is provided with dust hood, and the sectional area of described point of pipeline is not identical.
Preferably, in described frequency conversion fan system, described blower fan divides the end of pipeline to be provided with dust sensor, and it is electrically connected with described controller.
Preferably, in described frequency conversion fan system, described blower fan divides the end of pipeline to be provided with wind pressure sensor, and it is electrically connected with described controller.
Preferably, in described frequency conversion fan system, the main line of described blower fan and point pipeline inside are provided with air velocity transducer.
Preferably, in described frequency conversion fan system, described blower fan divides the end of pipeline to be provided with valve.
Preferably, in described frequency conversion fan system, described dust sensor adopts AC coupled formula dust sensor.
Frequency conversion fan system described in the utility model, adopt frequency variator to regulate the power of blower fan, and monitor by background monitoring device, according to the difference of blower fan load, the sectional area difference of point pipeline of the blower fan of design, the difference of the character of the blast of the blower fan detecting by sensor, wind speed, dust, controller regulates the air quantity of blower fan, this system is applicable to large-scale distributing system, the unified demand according to blower fan load regulates the air quantity of blower fan, centralized control, not only convenient, and saving power.
Accompanying drawing explanation
Fig. 1 is the control flow chart of frequency conversion fan system described in the utility model.
Embodiment
Below in conjunction with accompanying drawing, the utility model is described in further detail, to make those skilled in the art can implement according to this with reference to specification word.
As shown in Figure 1, a kind of frequency conversion fan system that the utility model provides, comprising: blower fan; Regulate the frequency variator of fan delivery; Controller, it controls blower fan and frequency variator as front-end processing; Background monitoring device, described background monitoring utensil has two serial ports, and wherein, serial ports and controller carry out communication, and another serial ports, by transducer and frequency variator composition communication network, gathers the Operational Limits of frequency variator.
Blower fan includes main line and point pipeline, and wherein, the end of point pipeline is provided with dust hood, and the sectional area of each point of pipeline is not identical.
Blower fan divides the end of pipeline to be provided with dust sensor, and it is electrically connected with described controller.
Blower fan divides the end of pipeline to be provided with wind pressure sensor, and it is electrically connected with described controller.
The main line of blower fan and point pipeline inside are provided with air velocity transducer.
Blower fan divides the end of pipeline to be provided with valve.
The control signal of dividing the valve of pipeline by receiving blower fan, the frequency of controller control frequency variator, realize the dynamic adjustments of the power of frequency conversion fan system with this, dust sensor detects the dust concentration of important airborne dust point, air velocity transducer is used for directly observing pipeline flow, to detect data transmission to controller, to regulate the air quantity of blower fan.Wind pressure sensor, its signal by monitoring is delivered in controller, and controller is by pid algorithm modification stability blast.
Conventional dust measurement adopts Principles of Laser, if be placed in an environment that is full of dust, just distortion of data after it is paved with dust, at this moment may need constantly to purge with pressurized air, increase system cost, through repeatedly contrasting and testing, the better performances of AC coupled formula dust sensor, easy to use, saving power.
By the dust measurement to airborne dust point, the operating condition of detection facility, controls the air quantity of blower fan, then the situation of comprehensive blower fan load, regulate the power of frequency conversion fan, and the adjusting of the power of frequency conversion fan can affect the measurement of dust and the air quantity of blower fan simultaneously.
Although embodiment of the present utility model is open as above, but it is not restricted to listed utilization in specification and mode of execution, it can be applied to the various fields of the present utility model that are applicable to completely, for those skilled in the art, can easily realize other modification, therefore do not deviating under the universal that claim and equivalency range limit, the utility model is not limited to specific details and illustrates here and the legend of describing.
Claims (7)
1. a frequency conversion fan system, is characterized in that, comprising:
Blower fan;
Regulate the frequency variator of fan delivery;
Controller, it controls blower fan and frequency variator as front-end processing;
Background monitoring device, described background monitoring utensil has two serial ports, and wherein, serial ports and controller carry out communication, and another serial ports, by transducer and frequency variator composition communication network, gathers the Operational Limits of frequency variator.
2. frequency conversion fan system as claimed in claim 1, is characterized in that, described blower fan includes main line and point pipeline, and wherein, the end of described point of pipeline is provided with dust hood, and the sectional area of described point of pipeline is not identical.
3. frequency conversion fan system as claimed in claim 2, is characterized in that, described blower fan divides the end of pipeline to be provided with dust sensor, and it is electrically connected with described controller.
4. frequency conversion fan system as claimed in claim 2, is characterized in that, described blower fan divides the end of pipeline to be provided with wind pressure sensor, and it is electrically connected with described controller.
5. frequency conversion fan system as claimed in claim 2, is characterized in that, the main line of described blower fan and point pipeline inside are provided with air velocity transducer.
6. frequency conversion fan system as claimed in claim 2, is characterized in that, described blower fan divides the end of pipeline to be provided with valve.
7. frequency conversion fan system as claimed in claim 3, is characterized in that, described dust sensor adopts AC coupled formula dust sensor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320758579.9U CN203604232U (en) | 2013-11-26 | 2013-11-26 | Frequency conversion draught fan system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320758579.9U CN203604232U (en) | 2013-11-26 | 2013-11-26 | Frequency conversion draught fan system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203604232U true CN203604232U (en) | 2014-05-21 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320758579.9U Expired - Lifetime CN203604232U (en) | 2013-11-26 | 2013-11-26 | Frequency conversion draught fan system |
Country Status (1)
| Country | Link |
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| CN (1) | CN203604232U (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104454615A (en) * | 2014-12-25 | 2015-03-25 | 岳俊峰 | Dust remover air volume and air pressure intelligent control and energy saving system and control method thereof |
| CN104501294A (en) * | 2014-11-21 | 2015-04-08 | 广东芬尼克兹节能设备有限公司 | Floor heating machine and method for reducing noise by frequency conversion control |
| CN107015583A (en) * | 2017-05-25 | 2017-08-04 | 华北电力大学（保定） | Self cooled transformer overheats emergency cooling system and its control method |
| CN108361216A (en) * | 2018-02-11 | 2018-08-03 | 上海联达节能科技股份有限公司 | A kind of remodeling method of dedusting fan Multi-parameter control system and dust pelletizing system |
| CN108386377A (en) * | 2018-02-11 | 2018-08-10 | 上海联达节能科技股份有限公司 | A kind of remodeling method of dedusting fan end control system and dust pelletizing system |
| CN108457886A (en) * | 2018-02-11 | 2018-08-28 | 上海联达节能科技股份有限公司 | A kind of remodeling method of dedusting fan multi gear level controlling system and dust pelletizing system |
| CN114470987A (en) * | 2021-11-17 | 2022-05-13 | 江苏海伦环保设备有限公司 | High-efficiency dust collecting device for sealing blast furnace ore tank |
-
2013
- 2013-11-26 CN CN201320758579.9U patent/CN203604232U/en not_active Expired - Lifetime
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104501294A (en) * | 2014-11-21 | 2015-04-08 | 广东芬尼克兹节能设备有限公司 | Floor heating machine and method for reducing noise by frequency conversion control |
| CN104501294B (en) * | 2014-11-21 | 2017-07-21 | 广东芬尼克兹节能设备有限公司 | The method and ground warming-up of a kind of VFC reduction noise |
| CN104454615A (en) * | 2014-12-25 | 2015-03-25 | 岳俊峰 | Dust remover air volume and air pressure intelligent control and energy saving system and control method thereof |
| CN107015583A (en) * | 2017-05-25 | 2017-08-04 | 华北电力大学（保定） | Self cooled transformer overheats emergency cooling system and its control method |
| CN108361216A (en) * | 2018-02-11 | 2018-08-03 | 上海联达节能科技股份有限公司 | A kind of remodeling method of dedusting fan Multi-parameter control system and dust pelletizing system |
| CN108386377A (en) * | 2018-02-11 | 2018-08-10 | 上海联达节能科技股份有限公司 | A kind of remodeling method of dedusting fan end control system and dust pelletizing system |
| CN108457886A (en) * | 2018-02-11 | 2018-08-28 | 上海联达节能科技股份有限公司 | A kind of remodeling method of dedusting fan multi gear level controlling system and dust pelletizing system |
| CN114470987A (en) * | 2021-11-17 | 2022-05-13 | 江苏海伦环保设备有限公司 | High-efficiency dust collecting device for sealing blast furnace ore tank |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140521 |
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| CX01 | Expiry of patent term |