CN202433752U - Automatic dust removal and smoke removal frequency modulation control system - Google Patents
Automatic dust removal and smoke removal frequency modulation control system Download PDFInfo
- Publication number
- CN202433752U CN202433752U CN2011205524626U CN201120552462U CN202433752U CN 202433752 U CN202433752 U CN 202433752U CN 2011205524626 U CN2011205524626 U CN 2011205524626U CN 201120552462 U CN201120552462 U CN 201120552462U CN 202433752 U CN202433752 U CN 202433752U
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- CN
- China
- Prior art keywords
- frequency converter
- programmable logic
- logic controller
- plc
- power
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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
- Y02P80/00—Climate change mitigation technologies for sector-wide applications
- Y02P80/10—Efficient use of energy, e.g. using compressed air or pressurized fluid as energy carrier
-
- 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 automatic dust removal and smoke removal frequency modulation control system, which comprises a frequency converter and a programmable logic controller, wherein the power terminal of the frequency converter is connected with a main power supply, and the load terminal of the frequency converter is connected to a fan power supply; the communication terminal of the frequency converter is connected with a communication interface of the programmable logic controller; the input end of the programmable logic controller is connected with an air door of a fan; the fault indication terminal of the frequency converter is connected with the main power supply through a fault indication lamp and used for displaying faults of the frequency converter; and the power input end of the programmable logic controller is connected to the main power supply through a power indication lamp. The system transmits an electric signal which is sent by a switch to the air door of the programmable logic controller (PLC) and indicates a closed state or an opened state of the air door to the frequency converter; the frequency converter adjusts the frequency according to an actual situation and controls the rotating speed of a motor, so that the air volume pressure is increased and decreased, and unnecessary power consumption is reduced; and therefore, aims of saving energy and reducing consumption are fulfilled, and the production expanse of an enterprise is greatly reduced.
Description
Technical field
The utility model relates to the workshop exhaust system, relates in particular to a kind of dust discharge smoke evacuation automatic frequency adjustment control system.
Background technology
Produce the workshop station of cigarette in welding, die casting, punching press etc., and polish, subtract the workshop station of generation dirt such as cutting, need discharge fume and dust discharge.Situation for station is arranged continuously need be provided with a plurality of air doors, and commonly used have a following control method:
1. use many machines; The method of subregion control, its advantage is to reach the purpose of using electricity wisely effectively; Mode of operation is simply to only opening and close (use and directly start the control of cabinet or star triangle start cabinet or reduced-voltage starting cabinet); But its construction and maintenance and repair difficulty and intensity strengthen, and cost increases greatly, and place that takies and number of operations increase;
2. the frequency converter solution needs to use manual shift, and the user operates on the frequency converter guidance panel; Reach the purpose of using electricity wisely, still this method can't be held accurately, and operating personnel must understand that frequency converter is regulated and the operation knowledge of understanding blower fan; Attempt frequency modulation according to actual conditions then; This method has increased the former power consumption that should reduce, and the frequency modulation number of times increases greatly, and frequency converter and blower fan are had considerable influence serviceable life.
The utility model content
The purpose of the utility model provides a kind of dust discharge smoke evacuation automatic frequency adjustment control system, when a plurality of smoke evacuation dust discharge air doors move, rotating speed of motor is controlled automatically, to reduce power consumption, using electricity wisely.
The utility model is that the technical scheme that its technical matters of solution is adopted is,
Dust discharge smoke evacuation automatic frequency adjustment control system includes frequency converter and programmable logic controller (PLC), and the power supply terminal of frequency converter is connected with primary power; Its face terminals is connected to fan power; The communication terminal of frequency converter is connected with the communication interface of programmable logic controller (PLC), receives the signal that programmable logic controller (PLC) sends, and the input end of programmable logic controller (PLC) is connected with the air door of blower fan; Receive the keying signal of each air door; The status signal that programmable logic controller (PLC) cuts out air door or open is sent to frequency converter, and frequency converter is regulated the frequency of primary power according to this signal, thus the rotating speed of control blower fan;
In addition, the indicating fault terminal of said frequency converter is connected with primary power through malfunction indicator lamp, shows the failure condition of frequency converter; The power input of said programmable logic controller (PLC) is connected to primary power through power light, shows that the power supply of programmable logic controller (PLC) connects situation.
The advantage of the utility model is, this system is in for the PLC air door to close through CS or the electric signal of opening, is communicated to frequency converter; Frequency converter comes regulating frequency according to actual conditions; The control motor speed, increase and decrease air quantity pressure reduces meaningless power consumption; Reach energy saving purposes, reduced the productive expenditure cost of enterprise significantly.
Description of drawings
Fig. 1 is the structural representation of the dust discharge smoke evacuation automatic frequency adjustment control system of the utility model proposition.
Embodiment
For technological means, creation characteristic that the utility model is realized, reach purpose and be easy to understand with effect and understand, below in conjunction with illustrating and specific embodiment, further set forth the utility model.
As shown in Figure 1; The dust discharge smoke evacuation automatic frequency adjustment control system that the utility model proposes includes frequency converter and programmable logic controller (PLC) (PLC); The power supply terminal R of frequency converter, S, T are connected with primary power, and its face terminals U, V, W are connected to fan power, and 485 communication terminal of frequency converter are connected with communication interface A, the B of programmable logic controller (PLC); Receive the signal that programmable logic controller (PLC) sends; Input end X0～the X15 of programmable logic controller (PLC) is connected with the air door of blower fan, receives the keying signal of each air door, and the status signal that programmable logic controller (PLC) cuts out air door or open is sent to frequency converter; Frequency converter is regulated the frequency of primary power according to this signal, thus the rotating speed of control blower fan; The indicating fault terminal RB of said frequency converter is connected with primary power through malfunction indicator lamp L2, shows the failure condition of frequency converter; The power input L of said programmable logic controller (PLC) is connected to primary power through power light L1, shows that the power supply of programmable logic controller (PLC) connects situation.
In the present embodiment, the connecting line of primary power is provided with air switch, the break-make of control primary power, and the zero line side of programmable logic controller (PLC) is provided with relay, the break-make of relay control zero line N, power supply is provided by R, T; Switch S B1 on the frequency converter gives the frequency converter switching signal, is external to the rotary switch on the panel; Switch S B2 is the fault SR of frequency converter, is external to the SR on the panel; Pilot lamp L1 is total power light (green), is external to panel; Pilot lamp L2 is the malfunction indicator lamp (redness) of frequency converter, is external to panel; When air door was opened, corresponding PLC input switch was for disconnected.
Its course of work of switch board that contains this control system is:
1, air switch is closed, gives frequency converter and PLC power supply;
2, relay adhesive, PLC starts working;
3, open rotary switch on the panel, frequency converter is started working;
4, PLC begins ceaselessly to detect the quantity that air door is opened, and with this quantity as a reference data pass to frequency converter;
5, the parameter that transmits according to PLC of frequency converter, the frequency of control output, fan power supply.
To extraneous air draft, if use the power frequency electricity, then the power consumption of blower fan is certain in the blower fan course of work, and the air quantity of extraction is constant basically, but the open/close quantity of air door is changing at any time, so can cause a lot of meaningless electric energy of waste.If the control system of using the utility model to propose then can address this problem.Relation between motor shaft power P and air quantity Q, the pressure H is: P=K*H*Q/ η, and wherein K is a constant; η is an efficient.The air quantity that guarantees each air door is certain, then needs blast constant, and after air door was closed, total blast volume will reduce, and the motor shaft power that needs also reduces accordingly, and according to this principle, this control system can realize energy-saving effect.
The quantity that frequency converter in the switch board can be opened according to the air door that PLC transmits, the immediately frequency of control output.It is many that air door is opened, and then the frequency of output is high, to satisfy the air quantity of each air door; What air door was opened lacks, and frequency converter output low frequency rate reduces power consumption, reaches the effect that reduces power consumption.That is to say that the power consumption of blower fan is opened number change along with air door and changed, so just avoided the waste of the energy effectively.
This control system uses frequency converter and PLC to combine, and final the manufacturing formed switch board, enrolls program to the minimum use amount in air port to maximum use amount, when the actual use amount increase and decrease in air port; Frequency converter can be according to the practical adjustments frequency, control motor speed, increase and decrease air quantity pressure; Reduce meaningless power consumption accurately, reach the purpose of using electricity wisely, its integrated operation is very simple; Be merely Kai Heguan, all the other steps are all regulated automatically, can reduce the enterprise production cost effectively.
More than show and described the advantage of ultimate principle, principal character and the utility model of the utility model.The technician of the industry should understand; The utility model is not restricted to the described embodiments; The principle of describing in the foregoing description and the instructions that the utility model just is described; The utility model also has various changes and modifications under the prerequisite that does not break away from the utility model spirit and scope, and these variations and improvement all fall in the utility model scope that requires protection.The utility model requires protection domain to be defined by appending claims and equivalent thereof.
Claims (3)
1. dust discharge smoke evacuation automatic frequency adjustment control system is characterized in that, includes frequency converter and programmable logic controller (PLC); The power supply terminal of frequency converter is connected with primary power; Its face terminals is connected to fan power, and the communication terminal of frequency converter is connected with the communication interface of programmable logic controller (PLC), receives the control signal that programmable logic controller (PLC) sends; The input end of programmable logic controller (PLC) is connected with the air door of blower fan, receives the keying signal of each air door.
2. dust discharge smoke evacuation automatic frequency adjustment control system according to claim 1 is characterized in that the indicating fault terminal of said frequency converter is connected with primary power through malfunction indicator lamp.
3. dust discharge smoke evacuation automatic frequency adjustment control system according to claim 1 is characterized in that the power input of said programmable logic controller (PLC) is connected to primary power through power light.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011205524626U CN202433752U (en) | 2011-12-26 | 2011-12-26 | Automatic dust removal and smoke removal frequency modulation control system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011205524626U CN202433752U (en) | 2011-12-26 | 2011-12-26 | Automatic dust removal and smoke removal frequency modulation control system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202433752U true CN202433752U (en) | 2012-09-12 |
Family
ID=46783188
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011205524626U Expired - Fee Related CN202433752U (en) | 2011-12-26 | 2011-12-26 | Automatic dust removal and smoke removal frequency modulation control system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202433752U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112337259A (en) * | 2020-10-19 | 2021-02-09 | 周大福珠宝文化产业园(武汉)有限公司 | Exhaust gas treatment system |
-
2011
- 2011-12-26 CN CN2011205524626U patent/CN202433752U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112337259A (en) * | 2020-10-19 | 2021-02-09 | 周大福珠宝文化产业园(武汉)有限公司 | Exhaust gas treatment system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| DD01 | Delivery of document by public notice |
Addressee: Sun Yong Document name: Notification of Termination of Patent Right |
|
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120912 Termination date: 20131226 |