CN208489811U - 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
- CN208489811U CN208489811U CN201821028391.8U CN201821028391U CN208489811U CN 208489811 U CN208489811 U CN 208489811U CN 201821028391 U CN201821028391 U CN 201821028391U CN 208489811 U CN208489811 U CN 208489811U
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- low speed
- contactor
- circulating pump
- water circulating
- input terminal
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Abstract
The utility model discloses a kind of high low speed handover control systems of water circulating pump, including control cabinet, the surface insertion of the control cabinet is provided with DCS control button, and the inside of control cabinet is equipped with intelligent control module, the output end of the DCS control button 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, the input terminal of first piece-root grafting electric lead electric connection C1 contactor, the input terminal of second piece-root grafting electric lead electric connection C2 contactor, in addition the input terminal of the C1 contactor and C2 contactor is also electrically connected with power switch.The utility model 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 utility model relates to Circulating Water in Power Plant field, specifically a kind of high low speed switching control of water circulating pump
System processed.
Background technique
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, it cannot keep water circulating pump continuous operation, and in handoff procedure
Need to start and stop water circulating pump, operating process is relatively complicated, labor intensive.
The problem of for water circulating pump switching, the utility model provides a kind of water circulating pump high low speed switching control system
System.
Utility model content
The purpose of this utility model is to provide a kind of high low speed handover control systems of water circulating pump, to solve above-mentioned background
The problem of being proposed in technology.
To achieve the above object, the utility model provides the following technical solutions:
The surface insertion of a kind of high low speed handover control system of water circulating pump, including control cabinet, the control cabinet is provided with
DCS control button, and the inside of control cabinet is equipped with intelligent control module, the output end of the DCS control button 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, the first piece-root grafting electric lead electricity
Property connection C1 contactor input terminal, the second piece-root grafting electric lead be electrically connected C2 contactor input terminal, the C1 contactor and
In addition the input terminal of C2 contactor is also electrically connected with power switch, and the output end of C1 contactor and C2 contactor with follow
The input terminal of ring pump motor is electrically connected, and the input terminal of the power switch is connected with power source bus.
As a further solution of the present invention, the DCS control button include high speed cut low speed button and
Low speed cuts high speed button, and high speed cuts low speed button and low speed cuts the outer surface that high speed button is embedded in control cabinet side by side.
The C1 contactor is the high-speed cruising of circulation-water pump electric machine as a further solution of the present invention,
Switch, the C2 contactor are the low speed run switch of circulation-water pump electric machine.
One end of the power switch passes through power source bus and outside as a further solution of the present invention,
Power supply connection.
The input terminal of the C1 contactor and C2 contactor passes through as a further solution of the present invention,
The output end of intelligent control module electric connection DCS control button.
The both ends of the C1 contactor and C2 contactor are provided with metal as a further solution of the present invention,
Conductive sheet, and the connection type between metallic conduction piece and the inner wire of outer lead is welding.
Compared with prior art, the beneficial effect that the utility model has is: the utility model is scientific and reasonable for structure, uses
Safe ready efficiently solves water circulating pump in the prior art and needs to stop water circulating pump in handoff procedure, cannot keep and follow
Operating process cumbersome disadvantage when ring water pump continuous operation and switching, realizes the high low speed one key switching function of water circulating pump, into
And the labour of operator is reduced, and closely follow the paces of era development, realize intelligentized control method.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model.
Fig. 2 is the working principle diagram of the utility model.
In figure: 1, control cabinet；2, DCS control button；3, C1 contactor；4, C2 contactor；5, circulation-water pump electric machine；6, electric
Source switch；7, power source bus.
Specific embodiment
Please refer to Fig. 1~2, in the utility model embodiment, a kind of high low speed handover control system of water circulating pump, including control
The surface insertion of cabinet 1 processed, control cabinet 1 is provided with DCS control button 2, and the inside of control cabinet 1 is equipped with intelligent control module,
The output end of DCS control button 2 is electrically connected the input terminal of intelligent control module, and the output end of intelligent control module draws two
Piece-root grafting electric lead, the first piece-root grafting electric lead are electrically connected the input terminal of C1 contactor 3, and the second piece-root grafting electric lead is electrically connected C2 and connects
In addition the input terminal of the input terminal of tentaculum 4, C1 contactor 3 and C2 contactor 4 is also electrically connected with power switch 6, and C1 connects
The output end of tentaculum 3 and C2 contactor 4 is electrically connected with the input terminal of circulation-water pump electric machine 5, and the input terminal of power switch 6 connects
It is connected to power source bus 7.
Intelligent adjusting carried out to the speed of service of circulation-water pump electric machine 5 for ease of operation, in the utility model, it is preferred that
DCS control button 2 cuts 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 control cabinet 1 side by side.
For the ease of can be realized the high low speed operation of circulation-water pump electric machine 5, in the utility model, it is preferred that C1 contactor 3 is
The high-speed cruising of circulation-water pump electric machine 5 switchs, and C2 contactor 4 is 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 by power source bus 7 with external power supply.
The switch of C1 contactor 3 and C2 contactor 4 is controlled by DCS control button 2 for ease of operation, 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 contactor 3 and C2 contactor 4 is logical
Cross the output end that intelligent control module is electrically connected DCS control button 2.
For the ease of the electric installation that connects of C1 contactor 3 and C2 contactor 4, in the utility model, it is preferred that C1 contactor 3 and C2
The both ends of contactor 4 are provided with metallic conduction piece, and the connection between metallic conduction piece and the inner wire of outer lead
Mode is welding.
The working principle of the utility model is: being clicked when the speed of service of circulation-water pump electric machine 5 needs high speed to cut low speed
" cutting low speed button at a high speed " issues instruction and disconnects C1 contactor, i.e. closing high-speed runs control switch, the intelligence inside control cabinet 1
Energy control module carries out combined floodgate enabled condition logic judgment, when the conditions are met, will be closed C2 contactor, i.e. the operation of opening low speed
Switch, circulation-water pump electric machine 5, which will be run at high speed, is switched to low speed operation；When the speed of service needs of circulation-water pump electric machine 5 are low
It when speed cuts high speed, clicks " low speed cuts high speed button ", issues instruction and disconnect C2 contactor, i.e. closing low speed runs control switch,
Intelligent control module inside control cabinet 1 carries out combined floodgate enabled condition logic judgment, when the conditions are met, by closure C1 contact
Device, i.e. opening high-speed cruising switch, circulation-water pump electric machine 5 will be switched to high-speed cruising with low speed, after this scheme is used, effectively solve
It has determined and has needed to stop water circulating pump in water circulating pump handoff procedure, operated when cannot keep water circulating pump continuous operation and switching
The cumbersome disadvantage of journey 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 control cabinet (1), which is characterized in that the control cabinet (1)
Surface insertion is provided with DCS control button (2), and the inside of control cabinet (1) is equipped with intelligent control module, the DCS control
The output end of button (2) 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 contactor (3), and the second piece-root grafting electric lead is electrically connected C2 contact
In addition the input terminal of the input terminal of device (4), the C1 contactor (3) and C2 contactor (4) is also electrically connected with power switch
(6), and the output end of C1 contactor (3) and C2 contactor (4) is electrically connected with the input terminal of circulation-water pump electric machine (5), institute
The input terminal for stating power switch (6) is 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 control
Button (2) processed cuts low speed button including high speed and low speed cuts high speed button, and high speed cuts low speed button and low speed cuts high speed button
It is embedded in the outer surface of control cabinet (1) side by side.
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 contact
Device (3) is that the high-speed cruising of circulation-water pump electric machine (5) switchs, and the C2 contactor (4) is that the low speed of circulation-water pump electric machine (5) is transported
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
The one end for closing (6) is connect by power source bus (7) 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 contact
The input terminal of device (3) and C2 contactor (4) is electrically connected the output end of DCS control button (2) by intelligent control module.
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 contact
The both ends of device (3) and C2 contactor (4) are 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 |
|---|---|---|---|
| CN201821028391.8U CN208489811U (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 |
|---|---|---|---|
| CN201821028391.8U CN208489811U (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 |
|---|---|
| CN208489811U true CN208489811U (en) | 2019-02-12 |
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ID=65248911
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821028391.8U Active CN208489811U (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) | CN208489811U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108599674A (en) * | 2018-06-30 | 2018-09-28 | 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 CN201821028391.8U patent/CN208489811U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108599674A (en) * | 2018-06-30 | 2018-09-28 | 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 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address |
Address after: 545600 No. 168, Jianzhong West Road, Luzhai County, Liuzhou City, Guangxi Zhuang Autonomous Region Patentee after: Guoneng guangtou Liuzhou Power Generation Co.,Ltd. Address before: 545600 No. 168, Jianzhong West, Luzhai County, Liuzhou City, Guangxi Zhuang Autonomous Region Patentee before: SHENHUA GUOHUA GUANGTOU (LIUZHOU) POWER GENERATION Co.,Ltd. |
|
| CP03 | Change of name, title or address |