CN206503187U - A kind of frequency conversion direct current water hammer-resistant electric-control system of the regional booster station of secondary water-supply - Google Patents
A kind of frequency conversion direct current water hammer-resistant electric-control system of the regional booster station of secondary water-supply Download PDFInfo
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- CN206503187U CN206503187U CN201720058104.7U CN201720058104U CN206503187U CN 206503187 U CN206503187 U CN 206503187U CN 201720058104 U CN201720058104 U CN 201720058104U CN 206503187 U CN206503187 U CN 206503187U
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- frequency conversion
- direct current
- power supply
- electricity
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Abstract
The utility model discloses a kind of frequency conversion direct current water hammer-resistant electric-control system of the regional booster station of secondary water-supply, including frequency conversion tank, the frequency converter in frequency conversion tank is arranged on, frequency conversion tank is connected with user's power supply, is switched between the input terminal and user's power supply of frequency converter provided with frequency converter；Frequency conversion direct current storing up electricity power supply is provided with frequency conversion direct current storing up electricity cabinet, frequency conversion direct current storing up electricity power supply is connected with user's power supply, and the rear class DC terminal of frequency conversion direct current storing up electricity power supply and the bus tap of frequency converter in frequency conversion tank are attached；Provided with double PLC control systems in switch board, double PLC control systems are connected with the frequency conversion direct current storing up electricity power control terminal in frequency conversion direct current storing up electricity cabinet, are also connected with the frequency converter in frequency conversion tank；The binding post of pump motor and the lead-out terminal of frequency converter are attached.The utility model is simple in construction, easy to use, effectively control pressure can fluctuate, and investigation recovery water pump is carried out to power-off reason in time normally runs, and maintains system pressure stable, reliably protecting water pump and pump works.
Description
Technical field
The utility model is related to the electric-control system of pumping plant, the frequency conversion of more particularly to a kind of regional booster station of secondary water-supply
Direct current water hammer-resistant electric-control system.
Background technology
With continuing to develop for city size, town dweller is with water spot apart from more and more remote, the long distance water transfer of water factory's distance
To the water hammer-resistant technical requirements of pipeline also more and more higher, region booster station is in long distance water transfer, pipe network when meeting unexpected termination of pumping
Huge pressure oscillation is produced, the damage of water pump or pump works is easily caused.
Utility model content
The technical problems to be solved in the utility model, which is to provide one kind, prevents the unexpected termination of pumping of long distance water transfer system from causing water
The frequency conversion direct current water hammer-resistant electric-control system for the regional booster station of secondary water-supply that pump or pump works are damaged.
To reach above-mentioned purpose, the technical solution of the utility model is as follows：
A kind of frequency conversion direct current water hammer-resistant electric-control system of the regional booster station of secondary water-supply, including：
Bus bar, lead-in circuit breaker, frequency converter, lead-out terminal row, frequency conversion are sequentially provided with one frequency conversion tank, the frequency conversion tank
The end of incoming cables of cabinet is connected with user's power inleting terminal, is switched between the input terminal and user's power supply of frequency converter provided with frequency converter；
Frequency conversion direct current storing up electricity power supply, the storage of frequency conversion direct current are provided with one frequency conversion direct current storing up electricity cabinet, the frequency conversion direct current storing up electricity cabinet
Power supply is connected with user's power supply, and the rear class DC terminal of frequency conversion direct current storing up electricity power supply and the bus tap of frequency converter in frequency conversion tank are entered
Row connection；
Provided with double PLC control systems in one switch board, the switch board, double PLC control systems are mainly used in whole system
In each component control, double PLC control systems are connected with the frequency conversion direct current storing up electricity power control terminal in frequency conversion direct current storing up electricity cabinet,
Also it is connected with the frequency converter in frequency conversion tank；
One pump motor, the binding post of pump motor and the lead-out terminal of frequency conversion tank are attached.
In one embodiment of the present utility model, the tap terminals of frequency conversion tank bus bar are connected with frequency conversion direct current storing up electricity cabinet,
Carry out busbar formula stand-by power supply.
By above-mentioned technical proposal, the beneficial effects of the utility model are：
The utility model is simple in construction, easy to use, control pressure can effectively fluctuate, power-off reason is investigated in time
Recover water pump normally to run, maintain system pressure stable, reliably protecting water pump and pump works.
Brief description of the drawings
, below will be to embodiment in order to illustrate more clearly of the utility model embodiment or technical scheme of the prior art
Or the accompanying drawing used required in description of the prior art is briefly described, it should be apparent that, drawings in the following description are only
It is some embodiments of the present utility model, for those of ordinary skill in the art, is not paying the premise of creative work
Under, other accompanying drawings can also be obtained according to these accompanying drawings.
Fig. 1 is the topological schematic diagram of the utility model electrical structure；
Numeral and the corresponding component title represented by letter in figure：
10th, frequency conversion tank 20, frequency conversion direct current storing up electricity cabinet 30, switch board 40, pump motor 50, frequency converter 60, frequency converter
Switch 70, double PLC control systems 80, frequency conversion direct current storing up electricity power supply.
Embodiment
In order that technological means, creation characteristic, reached purpose and effect that the utility model is realized are easy to understand, under
Face combines and is specifically illustrating, and the utility model is expanded on further.
Referring to described in Fig. 1, the utility model discloses a kind of frequency conversion direct current waterproof of the regional booster station of secondary water-supply
Hammer electric-control system, including frequency conversion tank 10, frequency conversion direct current storing up electricity cabinet 20, switch board 30 and pump motor 40 into shape.
Bus bar, lead-in circuit breaker, frequency converter 50, lead-out terminal row are sequentially provided with frequency conversion tank 10, frequency conversion tank 10 is entered
Line end is connected with user's power inleting terminal, provided with frequency converter switch 60 between the input terminal and user's power supply of frequency converter 50, is become
Frequency device switch 60 improves security when frequency converter 50 is used.
Frequency conversion direct current storing up electricity power supply 80, frequency conversion direct current storing up electricity power supply 80 and user's power supply are provided with frequency conversion direct current storing up electricity cabinet 20
It is connected, the rear class DC terminal of frequency conversion direct current storing up electricity power supply 80 and the bus tap of frequency converter in frequency conversion tank 50 are attached；Communication
Double PLC control systems 70 of aspect frequency conversion direct current storing up electricity cabinet 20 and switch board 30 are attached.
Provided with double PLC control systems 70 in switch board 30, double PLC control systems 70 are mainly used in each first device in whole system
The control of part, double PLC control systems 70 are connected with the control end of frequency conversion direct current storing up electricity power supply 80 in frequency conversion direct current storing up electricity cabinet 20,
It is connected with the frequency converter 50 in frequency conversion tank 30, wherein connection cable is communication private cable.
The binding post of pump motor 40 and the lead-out terminal of frequency conversion tank 30 are attached.
The tap terminals of the bus bar of the utility model frequency conversion tank 10 are connected with frequency conversion direct current storing up electricity cabinet 20, carry out busbar formula standby
Power supply, the electricity for the Large Copacity for meeting adjustment time requirement can be provided when the situation for occurring powering off suddenly for rear class system.
Operation principle of the present utility model is as follows：
Double PLC control systems in switch board are communicated with the frequency conversion direct current storing up electricity power supply in frequency conversion direct current storing up electricity cabinet,
The state of frequency conversion direct current storing up electricity power supply is gathered in real time, and when there is abnormal power-down, double PLC control systems can automatic detection water pumps electricity
Machine running situation, the situation if any startup will control pump motor stopping on hill, gradual to carry out pipeline pressure release adjustment, prevent
Only pipeline water hammer caused by the unexpected dead electricity of equipment, prevents power-off suddenly from the feed of equipment is impacted and damaged, extension device is used
In the time limit, it is effectively protected equipment.
General principle of the present utility model and principal character and advantage of the present utility model has been shown and described above.One's own profession
The technical staff of industry is it should be appreciated that the utility model is not restricted to the described embodiments, described in above-described embodiment and specification
Simply illustrate principle of the present utility model, on the premise of the utility model spirit and scope are not departed from, the utility model is also
Various changes and modifications are had, these changes and improvements are both fallen within the range of claimed the utility model.The utility model
Claimed scope is by appended claims and its equivalent thereof.
Claims (2)
1. a kind of frequency conversion direct current water hammer-resistant electric-control system of the regional booster station of secondary water-supply, it is characterised in that including：
Bus bar, lead-in circuit breaker, frequency converter, lead-out terminal row are sequentially provided with one frequency conversion tank, the frequency conversion tank, frequency conversion tank
End of incoming cables is connected with user's power inleting terminal, is switched between the input terminal and user's power supply of frequency converter provided with frequency converter；
Frequency conversion direct current storing up electricity power supply, frequency conversion direct current storing up electricity electricity are provided with one frequency conversion direct current storing up electricity cabinet, the frequency conversion direct current storing up electricity cabinet
Source is connected with user's power supply, and the rear class DC terminal of frequency conversion direct current storing up electricity power supply and the bus tap of frequency converter in frequency conversion tank are connected
Connect；
Provided with double PLC control systems in one switch board, the switch board, double PLC control systems are mainly used in whole system respectively
The control of component, double PLC control systems are connected with the frequency conversion direct current storing up electricity power control terminal in frequency conversion direct current storing up electricity cabinet, also with
Frequency converter in frequency conversion tank is connected；
One pump motor, the binding post of pump motor and the lead-out terminal of frequency conversion tank are attached.
2. a kind of frequency conversion direct current water hammer-resistant electric-control system of the regional booster station of secondary water-supply according to claim 1,
Characterized in that, the tap terminals of frequency conversion tank bus bar are connected with frequency conversion direct current storing up electricity cabinet, busbar formula stand-by power supply is carried out.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720058104.7U CN206503187U (en) | 2017-01-18 | 2017-01-18 | A kind of frequency conversion direct current water hammer-resistant electric-control system of the regional booster station of secondary water-supply |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720058104.7U CN206503187U (en) | 2017-01-18 | 2017-01-18 | A kind of frequency conversion direct current water hammer-resistant electric-control system of the regional booster station of secondary water-supply |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206503187U true CN206503187U (en) | 2017-09-19 |
Family
ID=59839507
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720058104.7U Active CN206503187U (en) | 2017-01-18 | 2017-01-18 | A kind of frequency conversion direct current water hammer-resistant electric-control system of the regional booster station of secondary water-supply |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206503187U (en) |
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2017
- 2017-01-18 CN CN201720058104.7U patent/CN206503187U/en active Active
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