CN203702611U - Variable frequency speed control device of dust removal fan - Google Patents
Variable frequency speed control device of dust removal fan Download PDFInfo
- Publication number
- CN203702611U CN203702611U CN201320810518.2U CN201320810518U CN203702611U CN 203702611 U CN203702611 U CN 203702611U CN 201320810518 U CN201320810518 U CN 201320810518U CN 203702611 U CN203702611 U CN 203702611U
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- Prior art keywords
- fume
- electrically connected
- controller
- speed
- flue dust
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Abstract
The utility model discloses a variable frequency speed control device of a dust removal fan. The device comprises a frequency converter electrically connected with the dust removal fan, a controller and an online fume detecting device, wherein the control signal output terminal of the controller is electrically connected with the control signal input terminal of the frequency converter; the speed control signal input terminal of the controller is electrically connected with the speed control signal output terminal of a fume content analysis module; the online fume detecting device is provided with an analog-digital converter; the fume signal output terminal of the analog-digital converter in the online fume detecting device is electrically connected with the fume signal input terminal of the fume content analysis module. The device can perform automatic speed control according to the practical fume content and furthest saves electric energy. The device can more effectively control the fume content. A PLC (programmable logic controller) control program can be compiled, so as to control the speed in real time according to the fume content, and the optimal electricity saving effect is realized. The device is beneficial to establishing a mathematical model, so as to obtain the corresponding relation between the fume concentration and the speed of the dust removal fan, and improves data analysis and processing speeds.
Description
Technical field
The utility model relates to a kind of arrangements for speed regulation of dedusting fan, relates in particular to a kind of RHVC of dedusting fan.
Background technique
Along with the attention to energy consumption and environmental protection, energy-saving and emission-reduction and resource environment problem have become the deciding factor that affects Business survival and development, self-evident as the dust pelletizing system significance of one of iron and steel enterprise's environmental protection equipment.
Dust pelletizing system is the environmental protection equipment of iron and steel enterprise's key, for all kinds of dust collections that production process is produced, filter after qualified discharge, thereby realize the object of environmental protection.
Although the motor in the dedusting fan of tradition iron and steel enterprise has adopted frequency variator and controller, be electrically connected with flue dust detection device, the more not parts to smoker dust concentration analysis, therefore, and cannot be to dedusting fan automatic speed regulation, must be by regulating manually.For the convenience of working, generally all adopt the speed of fixing frequency or segmented frequency regulation and control dedusting fan.Like this, cannot automatically carry out speed governing according to actual smoke content, cannot maximized saving electric energy.
Model utility content
The technical problems to be solved in the utility model is to provide a kind of RHVC of dedusting fan, and it can carry out speed governing automatically according to actual smoke content, maximized saving electric energy.
In order to solve the problems of the technologies described above, the RHVC of dedusting fan of the present utility model, comprises the frequency variator, controller and the online flue dust detection device that are electrically connected with dedusting fan; The control signal output terminal of described controller is electrically connected with the control signal input end of described frequency variator; The speed-regulating signal input end of described controller is electrically connected with the speed-regulating signal output terminal of smoke content analysis module; Described online flue dust detection device has analog-digital converter; In described online flue dust detection device, the flue dust signal output part of analog-digital converter and the flue dust signal input part of described smoke content analysis module are electrically connected.
Described online flue dust detection device is arranged on the tapping hole upside of steelshop.
Described controller is PLC controller.
Described smoke content analysis module adopts field programmable gate array.
Method of the present utility model compared with prior art has following beneficial effect.
1, the technical program is owing to having adopted the speed-regulating signal input end of described controller and the speed-regulating signal output terminal of smoke content analysis module to be electrically connected; Described online flue dust detection device has analog-digital converter; The technological means that in described online flue dust detection device, the flue dust signal output part of analog-digital converter and the flue dust signal input part of described smoke content analysis module are electrically connected, so, can automatically carry out speed governing according to actual smoke content, maximized saving electric energy.
2, the technical program is owing to having adopted described online flue dust detection device to be arranged on out the local technological means of dust quantity maximum, so, can more effectively control smoke content.
3, the technical program is the technological means of PLC controller owing to having adopted described controller, so, can work out PLC control program according to smoke content real-time speed regulating, reach optimum power savings.
4, the technical program is owing to having adopted described smoke content analysis module to adopt the technological means of field programmable gate array (being FPGA), and these can edit element can be used to realize some basic logic gates (such as AND, OR, XOR, NOT) or more more complex combination function such as decoder or mathematical equation.In most FPGA the inside, in these editable elements, also comprise for example trigger of memory cell (Flip-flop) or other more complete block of memory, so, be conducive to set up mathematical model, obtain the corresponding relation of smoker dust concentration and dedusting fan speed, improve the speed to data analysis and process.
Accompanying drawing explanation
Below in conjunction with the drawings and specific embodiments, the RHVC of the utility model dedusting fan is described in further detail.
Fig. 1 is the structural representation of the RHVC of the utility model dedusting fan.
Embodiment
As shown in Figure 1, the utility model provides a kind of RHVC of dedusting fan, comprises the frequency variator 4, controller 3 and the online flue dust detection device 1 that are electrically connected with dedusting fan 5; The control signal output terminal of described controller 3 is electrically connected with the control signal input end of described frequency variator 4; The speed-regulating signal input end of described controller 3 is electrically connected with the speed-regulating signal output terminal of smoke content analysis module 2; Described online flue dust detection device 1 has analog-digital converter; In described online flue dust detection device 1, the flue dust signal output part of analog-digital converter and the flue dust signal input part of described smoke content analysis module 2 are electrically connected.
In present embodiment, online flue dust detection device detects smoke content in real time, and sends testing result to smoke content analysis module.
Smoke content analysis module is provided with the mathematical model of controlled device, in conjunction with the runnability of every dust pelletizing system, set up mathematical model, object is the characteristic curve of reflection smoke content and frequency converter frequency, and how many frequencies of the minimum need of a certain smoke content can qualified discharge.According to the testing result of online flue dust detection device, utilize described mathematics model analysis to go out the required speed governing frequency of dedusting fan, and send speed-regulating signal to controller.
The speed-regulating signal that controller sends according to smoke content analysis module transmits control signal to frequency variator.
The control signal that frequency variator is sent according to controller is carried out frequency control of motor speed to dedusting fan.
Next online flue dust detection device continues to detect in real time smoke content, repeats above-mentioned steps, realizes automatic speed regulation, without operator's manual governing, reduces operator's workload.
Present embodiment is owing to having adopted the speed-regulating signal input end of described controller and the speed-regulating signal output terminal of smoke content analysis module to be electrically connected; Described online flue dust detection device has analog-digital converter; The technological means that in described online flue dust detection device, the flue dust signal output part of analog-digital converter and the flue dust signal input part of described smoke content analysis module are electrically connected, so, can automatically carry out speed governing according to actual smoke content, maximized saving electric energy.
One as present embodiment is improved, and described online flue dust detection device 1 is arranged on out the place of dust quantity maximum.As: near the tapping hole of steelshop, the present embodiment is at tapping hole upside.
Present embodiment is owing to having adopted described online flue dust detection device to be arranged on out the local technological means of dust quantity maximum, so, can more effectively control smoke content.
Further improve as present embodiment, as shown in Figure 1, described controller 3 is PLC controller.
Present embodiment is the technological means of PLC controller owing to having adopted described controller, so, can work out PLC control program according to smoke content real-time speed regulating, reach optimum power savings.
Further improve as present embodiment, described smoke content analysis module 2 adopts field programmable gate array.
Present embodiment is owing to having adopted described smoke content analysis module to adopt the technological means of field programmable gate array (being FPGA), and these can edit element can be used to realize some basic logic gates (such as AND, OR, XOR, NOT) or more more complex combination function such as decoder or mathematical equation.In most FPGA the inside, in these editable elements, also comprise for example trigger of memory cell (Flip-flop) or other more complete block of memory, so, be conducive to set up mathematical model, obtain the corresponding relation of smoker dust concentration and dedusting fan speed, improve the speed to data analysis and process.
It should be noted last that, above embodiment is only unrestricted in order to the technical solution of the utility model to be described, although the utility model is had been described in detail with reference to example, those of ordinary skill in the art is to be understood that, can modify or be equal to replacement the technical solution of the utility model, and not departing from the spirit and scope of technical solutions of the utility model, it all should be encompassed in the middle of claim scope of the present utility model.
Claims (4)
1. a RHVC for dedusting fan, comprises the frequency variator, controller and the online flue dust detection device that are electrically connected with dedusting fan; The control signal output terminal of described controller is electrically connected with the control signal input end of described frequency variator; It is characterized in that: the speed-regulating signal input end of described controller is electrically connected with the speed-regulating signal output terminal of smoke content analysis module; Described online flue dust detection device has analog-digital converter; In described online flue dust detection device, the flue dust signal output part of analog-digital converter and the flue dust signal input part of described smoke content analysis module are electrically connected.
2. the RHVC of dedusting fan according to claim 1, is characterized in that: described online flue dust detection device is arranged on the tapping hole upside of steelshop.
3. the RHVC of dedusting fan according to claim 1, is characterized in that: described controller is PLC controller.
4. the RHVC of dedusting fan according to claim 1, is characterized in that: described smoke content analysis module adopts field programmable gate array.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320810518.2U CN203702611U (en) | 2013-12-11 | 2013-12-11 | Variable frequency speed control device of dust removal fan |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320810518.2U CN203702611U (en) | 2013-12-11 | 2013-12-11 | Variable frequency speed control device of dust removal fan |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203702611U true CN203702611U (en) | 2014-07-09 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320810518.2U Expired - Fee Related CN203702611U (en) | 2013-12-11 | 2013-12-11 | Variable frequency speed control device of dust removal fan |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203702611U (en) |
Cited By (2)
| 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 |
| CN104481905A (en) * | 2014-11-27 | 2015-04-01 | 国家电网公司 | Automatic smoke exhaust fan |
-
2013
- 2013-12-11 CN CN201320810518.2U patent/CN203702611U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104481905A (en) * | 2014-11-27 | 2015-04-01 | 国家电网公司 | Automatic smoke exhaust fan |
| 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 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140709 Termination date: 20211211 |