CN108599674A - A kind of high low speed handover control system of water circulating pump - Google Patents
A kind of high low speed handover control system of water circulating pump Download PDFInfo
- Publication number
- CN108599674A CN108599674A CN201810704752.4A CN201810704752A CN108599674A CN 108599674 A CN108599674 A CN 108599674A CN 201810704752 A CN201810704752 A CN 201810704752A CN 108599674 A CN108599674 A CN 108599674A
- Authority
- CN
- China
- Prior art keywords
- low speed
- contactors
- circulating pump
- water circulating
- input terminal
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
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Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02P—CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORS OR DYNAMO-ELECTRIC CONVERTERS; CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS
- H02P29/00—Arrangements for regulating or controlling electric motors, appropriate for both AC and DC motors
- H02P29/20—Arrangements for regulating or controlling electric motors, appropriate for both AC and DC motors for controlling one motor used for different sequential operations
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B49/00—Control, e.g. of pump delivery, or pump pressure of, or safety measures for, machines, pumps, or pumping installations, not otherwise provided for, or of interest apart from, groups F04B1/00 - F04B47/00
- F04B49/06—Control using electricity
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Control Of Positive-Displacement Pumps (AREA)
Abstract
The invention discloses a kind of high low speed handover control systems of water circulating pump, including switch board, the surface insertion of the switch board is provided with DCS control buttons, and the inside of switch board is equipped with intelligent control module, the output end of the DCS control buttons is electrically connected the input terminal of intelligent control module, and the output end of intelligent control module draws two piece-root grafting electric leads, first piece-root grafting electric lead is electrically connected the input terminal of C1 contactors, second piece-root grafting electric lead is electrically connected the input terminal of C2 contactors, in addition the input terminal of the C1 contactors and C2 contactors is also electrically connected with power switch.The present invention efficiently solves water circulating pump in the prior art and needs to stop water circulating pump in handoff procedure, operating process cumbersome disadvantage when cannot keep water circulating pump continuous operation and switching, realize the high low speed one key switching function of water circulating pump, the labour of operator is thereby reduced, realizes intelligentized control method.
Description
Technical field
The present invention relates to Circulating Water in Power Plant field, specifically a kind of water circulating pump high low speed switching control system
System.
Background technology
The usual single unit of Circulating Water in Power Plant configures two water circulating pumps, in order to improve water circulating pump operation
Economy, water circulating pump driving motor select high speed or low speed to run using high speed, low speed double-speed motor, according to unit load.
But need to stop water circulating pump in handoff procedure, water circulating pump continuous operation is cannot keep, and in handoff procedure
It needs to start and stop water circulating pump, operating process is relatively complicated, labor intensive.
The problem of switching for water circulating pump, the utility model provide a kind of water circulating pump high low speed switching control system
System.
Invention content
The purpose of the present invention is to provide a kind of high low speed handover control systems of water circulating pump, to solve above-mentioned background technology
The problem of middle proposition.
To achieve the above object, the present invention provides the following technical solutions：
The surface insertion of a kind of high low speed handover control system of water circulating pump, including switch board, the switch board is provided with DCS controls
Button processed, and the inside of switch board is equipped with intelligent control module, the output end of the DCS control buttons is electrically connected intelligence control
The input terminal of molding block, and the output end of intelligent control module draws two piece-root grafting electric leads, the first piece-root grafting electric lead is electrically connected
The input terminal of C1 contactors, the second piece-root grafting electric lead are electrically connected the input terminal of C2 contactors, the C1 contactors and C2 contacts
In addition the input terminal of device is also electrically connected with power switch, and the output end of C1 contactors and C2 contactors is and water circulating pump
The input terminal of motor is electrically connected, and the input terminal of the power switch is connected with power source bus.
As further scheme of the invention：The DCS control buttons include that high speed cuts low speed button and low speed
High speed button is cut, and high speed cuts low speed button and cuts the outer surface that high speed button is embedded in switch board side by side with low speed.
As further scheme of the invention：The C1 contactors are that the high-speed cruising of circulation-water pump electric machine is opened
It closes, the C2 contactors are the low speed run switch of circulation-water pump electric machine.
As further scheme of the invention：One end of the power switch passes through power source bus and external power supply
Connection.
As further scheme of the invention：The input terminal of the C1 contactors and C2 contactors passes through intelligence
Control module is electrically connected the output end of DCS control buttons.
As further scheme of the invention：The both ends of the C1 contactors and C2 contactors are both provided with metallic conduction
Piece, and the connection type between metallic conduction piece and the inner wire of outer lead is welding.
Compared with prior art, the advantageous effect that the present invention has is：Structure of the invention is scientific and reasonable, side safe to use
Just, it efficiently solves water circulating pump in the prior art to need to stop water circulating pump in handoff procedure, cannot keep water circulating pump
Operating process cumbersome disadvantage when continuous operation and switching realizes the high low speed one key switching function of water circulating pump, and then reduces
The labour of operator, and immediately following the paces of era development, realize intelligentized control method.
Description of the drawings
Fig. 1 is the structural diagram of the present invention.
Fig. 2 is the fundamental diagram of the present invention.
In figure：1, switch board；2, DCS control buttons；3, C1 contactors；4, C2 contactors；5, circulation-water pump electric machine；6, electric
Source switch；7, power source bus.
Specific implementation mode
Please refer to Fig.1~2, in the embodiment of the present invention, a kind of high low speed handover control system of water circulating pump, including switch board
1, the surface insertion of switch board 1 is provided with DCS control buttons 2, and the inside of switch board 1 is equipped with intelligent control module, DCS controls
The output end of button 2 processed is electrically connected the input terminal of intelligent control module, and the output end of intelligent control module draws two piece-root graftings
Electric lead, the first piece-root grafting electric lead are electrically connected the input terminal of C1 contactors 3, and the second piece-root grafting electric lead is electrically connected C2 contactors
In addition the input terminal of 4 input terminal, C1 contactors 3 and C2 contactors 4 is also electrically connected with power switch 6, and C1 contactors 3
It is electrically connected with the input terminal of circulation-water pump electric machine 5 with the output end of C2 contactors 4, the input terminal of power switch 6 is connected with
Power source bus 7.
Intelligent adjusting carried out to the speed of service of circulation-water pump electric machine 5 for the ease of operator, in the utility model, it is preferred that
DCS control buttons 2 cut low speed button including high speed and low speed cuts high speed button, and high speed cuts low speed button and low speed is cut high speed and pressed
Button is embedded in the outer surface of switch board 1 side by side.
For the ease of that can realize the high low speed operation of circulation-water pump electric machine 5, in the utility model, it is preferred that C1 contactors 3 are
The high-speed cruising of circulation-water pump electric machine 5 switchs, and C2 contactors 4 are the low speed run switch of circulation-water pump electric machine 5.
For the ease of providing electric energy for the operation of circulation-water pump electric machine 5, in the utility model, it is preferred that one end of power switch 6
It is connect with external power supply by power source bus 7.
The switch of C1 contactors 3 and C2 contactors 4 is controlled by DCS control buttons 2 for the ease of operator, and then can
The speed of service of control loop pump motor 5, in the utility model, it is preferred that the input terminal of C1 contactors 3 and C2 contactors 4 is logical
Cross the output end that intelligent control module is electrically connected DCS control buttons 2.
For the ease of the electric installation that connects of C1 contactors 3 and C2 contactors 4, in the utility model, it is preferred that C1 contactors 3 and C2
The both ends of contactor 4 are both provided with metallic conduction piece, and the connection between metallic conduction piece and the inner wire of outer lead
Mode is welding.
The present invention operation principle be：When the speed of service of circulation-water pump electric machine 5 needs high speed to cut low speed, click " high
Speed cuts low speed button ", it sends out instruction and disconnects C1 contactors, i.e. closing high-speed operation control switch, the intelligence control inside switch board 1
Molding block carries out combined floodgate enabled condition logic judgment, when the conditions are met, will be closed C2 contactors, that is, opens low speed operation and open
It closes, circulation-water pump electric machine 5, which will be run at high speed, is switched to low speed operation；When the speed of service of circulation-water pump electric machine 5 needs low speed
It when cutting high speed, clicks " low speed cuts high speed button ", sends out instruction and disconnect C2 contactors, that is, close low speed operation control switch, control
Intelligent control module inside cabinet 1 processed carries out combined floodgate enabled condition logic judgment, when the conditions are met, will be closed C1 contactors,
High-speed cruising switch is opened, circulation-water pump electric machine 5 will be switched to high-speed cruising with low speed, after this scheme is used, effectively solve
It needs to stop water circulating pump in water circulating pump handoff procedure, operating process when cannot keep water circulating pump continuous operation and switching
Cumbersome disadvantage realizes the high low speed one key switching function of water circulating pump.
Claims (6)
1. a kind of high low speed handover control system of water circulating pump, including switch board（1）, which is characterized in that the switch board（1）'s
Surface insertion is provided with DCS control buttons（2）, and switch board（1）Inside intelligent control module is installed, the DCS controls
Button（2）Output end be electrically connected intelligent control module input terminal, and intelligent control module output end draw two piece-root graftings
Electric lead, the first piece-root grafting electric lead are electrically connected C1 contactors（3）Input terminal, the second piece-root grafting electric lead be electrically connected C2 contact
Device（4）Input terminal, the C1 contactors（3）With C2 contactors（4）Input terminal be also in addition electrically connected with power switch
（6）, and C1 contactors（3）With C2 contactors（4）Output end and circulation-water pump electric machine（5）Input terminal be electrically connected, institute
State power switch（6）Input terminal be connected with power source bus（7）.
2. the high low speed handover control system of a kind of water circulating pump according to claim 1, which is characterized in that the DCS controls
Button processed（2）High speed button is cut including cutting low speed button and low speed at a high speed, and high speed cuts low speed button and cuts high speed button with low speed
It is embedded in switch board side by side（1）Outer surface.
3. the high low speed handover control system of a kind of water circulating pump according to claim 1, which is characterized in that the C1 contacts
Device（3）For circulation-water pump electric machine（5）High-speed cruising switch, the C2 contactors（4）For circulation-water pump electric machine（5）Low speed fortune
Row switch.
4. the high low speed handover control system of a kind of water circulating pump according to claim 1, which is characterized in that the power supply is opened
It closes（6）One end pass through power source bus（7）It is connect with external power supply.
5. the high low speed handover control system of a kind of water circulating pump according to claim 1, which is characterized in that the C1 contacts
Device（3）With C2 contactors（4）Input terminal pass through intelligent control module be electrically connected DCS control buttons（2）Output end.
6. the high low speed handover control system of a kind of water circulating pump according to claim 1, which is characterized in that the C1 contacts
Device（3）With C2 contactors（4）Both ends be both provided with metallic conduction piece, and the inner wire of metallic conduction piece and outer lead
Between connection type be welding.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810704752.4A CN108599674A (en) | 2018-06-30 | 2018-06-30 | A kind of high low speed handover control system of water circulating pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810704752.4A CN108599674A (en) | 2018-06-30 | 2018-06-30 | A kind of high low speed handover control system of water circulating pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108599674A true CN108599674A (en) | 2018-09-28 |
Family
ID=63635440
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810704752.4A Pending CN108599674A (en) | 2018-06-30 | 2018-06-30 | A kind of high low speed handover control system of water circulating pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108599674A (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4575663A (en) * | 1984-09-07 | 1986-03-11 | The Babcock & Wilcox Company | Microprocessor based two speed motor control interface |
| KR20090011969U (en) * | 2008-05-21 | 2009-11-25 | 정형교 | 2 A Mixing Unit Having Two Operating Switching Mode |
| CN208489811U (en) * | 2018-06-30 | 2019-02-12 | 神华国华广投（柳州）发电有限责任公司 | A kind of high low speed handover control system of water circulating pump |
-
2018
- 2018-06-30 CN CN201810704752.4A patent/CN108599674A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4575663A (en) * | 1984-09-07 | 1986-03-11 | The Babcock & Wilcox Company | Microprocessor based two speed motor control interface |
| KR20090011969U (en) * | 2008-05-21 | 2009-11-25 | 정형교 | 2 A Mixing Unit Having Two Operating Switching Mode |
| CN208489811U (en) * | 2018-06-30 | 2019-02-12 | 神华国华广投（柳州）发电有限责任公司 | A kind of high low speed handover control system of water circulating pump |
Non-Patent Citations (1)
| Title |
|---|
| 刘焕彬等: "《制浆造纸过程自动测量与控制》", 中国轻工业出版社, pages: 370 * |
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