CN205530482U - Variable frequency speed governing(VFSG) constant voltage water supply system - Google Patents
Variable frequency speed governing(VFSG) constant voltage water supply system Download PDFInfo
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- CN205530482U CN205530482U CN201620348991.7U CN201620348991U CN205530482U CN 205530482 U CN205530482 U CN 205530482U CN 201620348991 U CN201620348991 U CN 201620348991U CN 205530482 U CN205530482 U CN 205530482U
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 93
- 238000006243 chemical reaction Methods 0.000 claims abstract description 19
- 230000006641 stabilisation Effects 0.000 claims description 8
- 238000011105 stabilization Methods 0.000 claims description 8
- 206010016807 Fluid retention Diseases 0.000 claims description 3
- 238000004891 communication Methods 0.000 claims description 3
- 230000005611 electricity Effects 0.000 abstract description 3
- 238000005070 sampling Methods 0.000 abstract description 3
- 238000005516 engineering process Methods 0.000 abstract description 2
- 230000001105 regulatory effect Effects 0.000 abstract description 2
- 230000033228 biological regulation Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000003054 catalyst Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000000087 stabilizing effect Effects 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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Abstract
The utility model discloses a variable frequency speed governing(VFSG) constant voltage water supply system relates to the water supply technology field. This system is including the retaining part, the water supply part, the automatic frequency conversion control part of steady voltage subtotal, through carrying out the real -time sampling to a water pressure, carry out the comparison with the set pressure value, the rotational speed of control motor, realization pressure is invariable, or according to needing regular change, according to water consumption size automatically regulated, the economize on electricity, the water conservation, utilize programming logic controller, entire system has carried out the soft start does not have impulse current, each water pump single control, the steady voltage system of this system improves the steady voltage performance, can also provide the steady voltage guarantee for the fire extinguishing system who does not set up fire control voltage regulator device.
Description
Technical field
This utility model relates to hydrotechny field, is specifically related to a kind of frequency control constant-pressure water supplying system.
Background technology
The full-automation of industrial development has become the trend of future development, and water system is no exception.Skyscraper gets more and more, stability requirement to supplying water is more and more higher, should ensure that during water use peak, high level water supplies water sufficient, ensure that when night, water consumption was few, in pipeline, hydraulic pressure reduces the waste avoiding water again, during fire demand water to be ensured, water supply line hydraulic pressure enough meets needs.Therefore it is the direction that this field personnel are continually striving to that renewal of constantly bringing forth new ideas water system meets water demand.
Utility model content
Technical problem to be solved in the utility model is to provide a kind of frequency control constant-pressure water supplying system of a kind of voltage stabilization and current stabilization, controllable high-efficiency.
For solving above-mentioned technical problem, technical solution adopted in the utility model is:
A kind of frequency control constant-pressure water supplying system, including water-retention part, water supply part, voltage stabilization part and automatic frequency-conversion control part, it is characterised in that: the city planting ductwork including connecting cistern is divided in described storage part, and described city planting ductwork water outlet is provided with ball-cock assembly；Described water supply part includes the vibration means for main pipe for supplying water road being parallel with multiple water supply main pump connecting columns base, and the vibration means for main pipe for supplying water road after water supply main pump is provided with relief valve；Described voltage stabilization part includes low discharge stabilized pressure pump, diaphragm-type air-compressed tank and the pressure transducer being located on vibration means for main pipe for supplying water road；Described automatic frequency-conversion control part includes the high-low water level controller connecting cistern, the programmed logic controller that high-low water level controller cable connects, the digital PID that pressure transducer cable connects, described digital PID cable connects programmed logic controller and frequency conversion speed-adjusting system, described programmed logic controller and frequency conversion speed-adjusting system cable respectively connects actuator, and described actuator cable connects each water supply main pump and low discharge stabilized pressure pump.
Further technical scheme is: described pressure transducer, diaphragm-type air-compressed tank are each provided at supplying water and enter on the vibration means for main pipe for supplying water road before user.
Further technical scheme is: described automatic frequency-conversion control part is provided with the binding post of fire-fighting center contact, computer remote communication interface.
Further technical scheme is: is additionally provided with water flow sensor cable on the vibration means for main pipe for supplying water road after described water supply main pump and connects digital PID.
Use and have the beneficial effects that produced by technique scheme:
By discharge pressure is carried out real-time sampling, compare with setup pressure value, control the rotating speed of motor, it is achieved pressure is constant, change regular on demand, it is automatically adjusted according to water consumption size, economizes on electricity, economize on water.Utilizing programmed logic controller, whole system has carried out soft start non-impact current, and each water pump individually controls.The voltage-stabilizing system of native system improves voltage regulation performance, it is also possible to provide voltage stabilizing guarantee for being not provided with the fire-fighting system of fire-fighting stable-pressure device.
Accompanying drawing explanation
With detailed description of the invention, this utility model is described in further detail below in conjunction with the accompanying drawings.
Fig. 1 is structural representation of the present utility model.
Wherein: 1-cistern, 2-vibration means for main pipe for supplying water road, 3-city planting ductwork, 4-ball-cock assembly, 5-high-low water level controller, 6-frequency conversion speed-adjusting system, 7-programmed logic controller, 8-digital PID, 9-actuator, 10-water supply main pump, 11-low discharge stabilized pressure pump, 12-pressure transducer, 13-relief valve, 14-diaphragm-type air-compressed tank.
Detailed description of the invention
Below in conjunction with the accompanying drawing in this utility model embodiment, the technical scheme in this utility model embodiment is clearly and completely described, it is clear that described embodiment is only a part of embodiment of the present utility model rather than whole embodiments.Based on the embodiment in this utility model, the every other embodiment that those of ordinary skill in the art are obtained under not making creative work premise, broadly fall into the scope of this utility model protection.
Elaborate a lot of detail in the following description so that fully understanding this utility model, but this utility model can also use other to be different from alternate manner described here to be implemented, those skilled in the art can do similar popularization in the case of this utility model intension, and therefore this utility model is not limited by following public specific embodiment.
As it is shown in figure 1, a kind of frequency control constant-pressure water supplying system, including water-retention part, water supply part, voltage stabilization part and automatic frequency-conversion control part, the city planting ductwork 3 including connecting cistern 1 is divided in described storage part, and described city planting ductwork 3 water outlet is provided with ball-cock assembly 4；Described water supply part includes connecting the vibration means for main pipe for supplying water road 2 being parallel with multiple water supply main pump 10 bottom cistern 1, and the vibration means for main pipe for supplying water road 2 after water supply main pump 10 is provided with relief valve 13；Described voltage stabilization part includes low discharge stabilized pressure pump 11, diaphragm-type air-compressed tank 14 and the pressure transducer 12 being located on vibration means for main pipe for supplying water road 2；Described automatic frequency-conversion control part includes the high-low water level controller 5 connecting cistern 1, the programmed logic controller 7 that high-low water level controller 5 cable connects, the digital PID 8 that pressure transducer 12 cable connects, described digital PID 8 cable connects programmed logic controller 7 and frequency conversion speed-adjusting system 6, described programmed logic controller 7 and frequency conversion speed-adjusting system 6 cable respectively connects actuator 9, and described actuator 9 cable connects each water supply main pump 10 and low discharge stabilized pressure pump 11.
Preferred: described pressure transducer 12, diaphragm-type air-compressed tank 14 are each provided at supplying water and enter on the vibration means for main pipe for supplying water road 2 before user.
Described automatic frequency-conversion control part is provided with the binding post of fire-fighting center contact, supplies computer remote communication interface, networks with fire protection control center, by start fire signal main pump.
It is additionally provided with water flow sensor cable on vibration means for main pipe for supplying water road 2 after described water supply main pump 10 and connects digital PID.
This utility model is operationally, high-low water level controller 5 detects the water level in cistern 1, when cistern 1 middle water level reduces, then transmits a signal to programmed logic controller 7, programmed logic controller 7 controls actuator 9 and stops the operating of water pump, it is to avoid water pump idle running damage water pump.The pressure signal monitored is transferred to digital PID by pressure transducer 12, compares with setup pressure value, carries out PID arithmetic by microcomputer and controls the output frequency of frequency conversion speed-adjusting system 6, thus actuator 9 adjusts the running speed of water pump.
Described actuator 9 includes that converter, chopper, catalyst, thermorelay, the time relay, auxiliary reclay, DC source connected mode routinely connects and equipment operation, fault, the display unit of defencive function.
Energy-efficient, automatic frequency-conversion is used to control speed regulating control, by discharge pressure is carried out real-time sampling, compare with setup pressure value, carry out PID arithmetic by microcomputer, control the output frequency of converter, i.e. control the rotating speed of motor, it is achieved pressure is constant, or change regular on demand, it is automatically adjusted according to water consumption size, economizes on electricity, economize on water.
Utilize programmed logic controller, converter can need to take turns starting each the water pump controlled on unit according to programming, whole system has carried out soft start non-impact current, can start each water pump one by one, detected whether stream and can reach rated pressure i.e. checking system the most normal.
The voltage-stabilizing system of native system, at non-fire fighting state, due to the seepage of pipe valve, ductwork pressure declines, and in order to maintain the ductwork pressure needed for fire-fighting, improves voltage regulation performance, arranges low discharge stabilized pressure pump and an air pressure tank may make up the voltage-stabilizing system that performance is more excellent.
Claims (4)
1. a frequency control constant-pressure water supplying system, including water-retention part, water supply part, voltage stabilization part and automatic frequency-conversion control part, it is characterized in that: the city planting ductwork (3) including connecting cistern (1) is divided in described storage part, and described city planting ductwork (3) water outlet is provided with ball-cock assembly (4)；Described water supply part includes the vibration means for main pipe for supplying water road (2) being parallel with multiple water supply main pump (10) connecting cistern (1) bottom, and the vibration means for main pipe for supplying water road (2) after water supply main pump (10) is provided with relief valve (13)；Described voltage stabilization part includes low discharge stabilized pressure pump (11), diaphragm-type air-compressed tank (14) and the pressure transducer (12) being located on vibration means for main pipe for supplying water road (2)；Described automatic frequency-conversion control part includes the high-low water level controller (5) connecting cistern (1), the programmed logic controller (7) that high-low water level controller (5) cable connects, the digital PID (8) that pressure transducer (12) cable connects, described digital PID (8) cable connects programmed logic controller (7) and frequency conversion speed-adjusting system (6), described programmed logic controller (7) and frequency conversion speed-adjusting system (6) cable respectively connects actuator (9), and described actuator (9) cable connects each water supply main pump (10) and low discharge stabilized pressure pump (11).
A kind of frequency control constant-pressure water supplying system the most according to claim 1, it is characterised in that: described pressure transducer (12), diaphragm-type air-compressed tank (14) are each provided at supplying water and enter on the vibration means for main pipe for supplying water road (2) before user.
A kind of frequency control constant-pressure water supplying system the most according to claim 1, it is characterised in that: described automatic frequency-conversion control part is provided with the binding post of fire-fighting center contact, computer remote communication interface.
A kind of frequency control constant-pressure water supplying system the most according to claim 1, it is characterised in that: it is additionally provided with water flow sensor cable on the vibration means for main pipe for supplying water road (2) after described water supply main pump (10) and connects digital PID.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620348991.7U CN205530482U (en) | 2016-04-22 | 2016-04-22 | Variable frequency speed governing(VFSG) constant voltage water supply system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620348991.7U CN205530482U (en) | 2016-04-22 | 2016-04-22 | Variable frequency speed governing(VFSG) constant voltage water supply system |
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| Publication Number | Publication Date |
|---|---|
| CN205530482U true CN205530482U (en) | 2016-08-31 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620348991.7U Expired - Fee Related CN205530482U (en) | 2016-04-22 | 2016-04-22 | Variable frequency speed governing(VFSG) constant voltage water supply system |
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| CN (1) | CN205530482U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107272617A (en) * | 2017-06-20 | 2017-10-20 | 河南华东工控技术有限公司 | A kind of reclaimed water pumping station controlling system and control method |
| CN111287258A (en) * | 2020-02-12 | 2020-06-16 | 长沙扬翔饲料有限责任公司 | Fire hydrant pressure-stabilizing water supply system and process |
-
2016
- 2016-04-22 CN CN201620348991.7U patent/CN205530482U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107272617A (en) * | 2017-06-20 | 2017-10-20 | 河南华东工控技术有限公司 | A kind of reclaimed water pumping station controlling system and control method |
| CN111287258A (en) * | 2020-02-12 | 2020-06-16 | 长沙扬翔饲料有限责任公司 | Fire hydrant pressure-stabilizing water supply system and process |
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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 |
Granted publication date: 20160831 Termination date: 20200422 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |