CN203490527U - Constant pressure water supply controlling system - Google Patents
Constant pressure water supply controlling system Download PDFInfo
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- CN203490527U CN203490527U CN201320588751.0U CN201320588751U CN203490527U CN 203490527 U CN203490527 U CN 203490527U CN 201320588751 U CN201320588751 U CN 201320588751U CN 203490527 U CN203490527 U CN 203490527U
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- water pump
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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
- 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 a constant pressure water supply controlling system, comprising an MCU control unit, a motor power supply network and a water pump unit. The MCU control unit has an MCU, a power supply module, a button unit, an A/D conversion unit, a multi-way switch, a D/A conversion unit, a hydraulic pressure sampling unit, a linear photocoupling unit I, a linear photocoupling unit II, a pipe network pressure sampling unit, a rectification filtering unit, a photocoupling unit, a display unit and an interface unit. The linear photocoupling unit II is connected with the water pump unit through a frequency-variable controller. A solid-state relay set is connected between the frequency-variable controller and the water pump unit. The motor power supply network comprises a power frequency electrical network and a frequency conversion electrical network. Four motors of the water pump unit are connected with the motor power supply network through a corresponding relay respectively. The constant pressure water supply controlling system is good in speed regulation performance, stable in water supply, remarkable in energy saving effect, reliable in operational safety, available for on-line management, and convenient to popularize and use.
Description
Technical field
The utility model belongs to automatic control technology field, especially relates to a kind of constant pressure water supply control system.
Background technology
Along with social development and progress, the water supply problem of urban skyscraper becomes increasingly conspicuous, the constant pressure water supply system of widespread use at present, when water consumption is little, each user's pressure of supply water is more or less the same, and supplies water and substantially meets the requirements, but when water consumption is larger, there will be the water phenomenon that supply falls short of demand, the increase of low layer user water consumption causes high-rise user's pressure of supply water deficiency and cuts off the water supply, and at this moment needing manual operation to increase pressure of supply water increases output; When water consumption reduces, there will be the easy phenomenon of water, now need again manual operation to reduce pressure of supply water and reduce output; In the time can not reducing in time hydraulic pressure and reduce output, water pump still can continue to supply water, and has not only wasted resource, but also likely causes siphon pressure excessive and cause the damage of water pipe explosion or watering equipment; Yet aspect constant pressure water supply, because present community area is increasing and floor covers higher and higher, it is that all users in community supply water that You community water system adopts single pump or two or three water pumps, still can there is the phenomenon of high-rise user's insufficient water, or when breaking out of fire needs promptly with a large amount of water, also there will be the phenomenon of insufficient water; Prior art also exist pressure of supply water fluctuation large, not high for water unstable, automaticity, can not realize the shortcomings such as online management monitoring.
Utility model content
Technical problem to be solved in the utility model is, for above-mentioned deficiency of the prior art, to provide a kind of constant pressure water supply control system, its good speed adjustment features, supply water stable, energy-saving effect is remarkable, safe and reliable to operation, external host computer can be realized online management, is convenient to promote the use of.
For solving the problems of the technologies described above, the technical solution adopted in the utility model is: a kind of constant pressure water supply control system, it is characterized in that: comprise MCU control module, motor supply network and water pump assembly unit, described MCU control module comprises MCU controller and is the power module of each power unit power supply in MCU control module, described for manually push-button unit and the A/D converting unit output terminal of parameters all join with the input end of MCU controller, the input end of multi-way switch and described A/D converting unit joins, the input end of the output terminal of described MCU controller and D/A converting unit joins, the output terminal of described D/A converting unit and photoelectric coupling unit for promoting inhibition two join, the interface unit that the output terminal of described MCU controller is also connected to display unit and joins with host computer, the hydraulic pressure sampling unit, rectification filtering unit one and the photoelectric coupling unit for promoting inhibition one that for the signal that pressure transducer one is collected, convert voltage signal to join successively and join with the input end of described multi-way switch, and the input end of described multi-way switch is also connected to ductwork pressure sampling unit, rectification filtering unit two and the photoelectric coupling unit for promoting inhibition three that the ductwork pressure signal for pressure transducer two is collected joining successively converts voltage signal to, the output terminal of described photoelectric coupling unit for promoting inhibition two joins by controlling frequency-variable controller and the water pump assembly unit of machine operation frequency, between described frequency-variable controller and water pump assembly unit, be also connected to solid-state relay group, described motor supply network comprises common frequency power network and the changing frequency power network of controlling water pump assembly cell operation frequency by solid-state relay group, described solid-state relay group comprises relay one, relay two, relay three and relay four, described water pump assembly unit comprises the motor one joining with water pump one, the motor two joining with water pump two, the motor three joining with water pump three and the motor four joining with water pump four, described motor one joins by relay one and common frequency power network and changing frequency power network, described motor two-way is crossed relay two and is joined with common frequency power network and changing frequency power network, described motor threeway is crossed relay three and is joined with common frequency power network and changing frequency power network, described motor four-way is crossed relay four and is joined with common frequency power network and changing frequency power network.
Above-mentioned constant pressure water supply control system, is characterized in that: described MCU controller is single chip computer AT 89S52.
Above-mentioned constant pressure water supply control system, is characterized in that: described display unit is light-emitting diode display.
Above-mentioned constant pressure water supply control system, is characterized in that: described push-button unit is comprised of 4 groups of function keys that respectively each water pump arranged.
The utility model compared with prior art has the following advantages:
1, the utility model adopts changing frequency power network and common frequency power network incision or cuts out as motor power supply realizes speed governing, has good speed adjusting performance.
2, the utility model is at water low peak period, and adjustable water pump drops into number of units and rotating speed, makes the quantity delivered of water and demand suitable, can avoid unnecessary waste, has significant energy-saving effect.
3, no matter the utility model is at water use peak phase or low peak period, and all adjustable water pump drops into number of units and rotating speed, can allow water enough, can avoid unnecessary waste again, can also avoid causing the damage of water pipe explosion and watering equipment, safe and reliable to operation.
4, online management: the utility model is provided with external interface, can realize online management by external host computer.
5, of the present utility model practical, result of use is good, is convenient to promote the use of.
Below by drawings and Examples, the technical solution of the utility model is described in further detail.
Accompanying drawing explanation
Fig. 1 is theory diagram of the present utility model.
Description of reference numerals:
1-host computer; 2-MCU control module; 2-1-hydraulic pressure sampling unit;
2-2-rectification filtering unit one; 2-3-photoelectric coupling unit for promoting inhibition one;
2-4-ductwork pressure sampling unit; 2-5-rectification filtering unit two;
2-6-photoelectric coupling unit for promoting inhibition three; 2-7-multi-way switch; 2-8-A/D converting unit;
2-9-MCU controller; 2-10-D/A converting unit;
2-11-photoelectric coupling unit for promoting inhibition two; 2-12-display unit; 2-13-interface unit;
2-14-push-button unit; 3-pressure transducer one; 4-pressure transducer two;
5-frequency-variable controller; 6-motor supply network; 6-1-common frequency power network;
6-2-changing frequency power network; 7-solid-state relay group; 7-1-relay one;
7-2-relay two; 7-3-relay three; 7-4-relay four;
8-water pump assembly unit; 8-11-motor one; 8-12-motor two;
8-13-motor three; 8-14-motor four; 8-21-water pump one;
8-22-water pump two; 8-23-water pump three; 8-24-water pump four;
9-power module.
Embodiment
As shown in Figure 1, the utility model comprises MCU control module 2, motor supply network 6 and water pump assembly unit 8, described MCU control module 2 comprises MCU controller 2-9 and is the power module 9 of each power unit power supply in MCU control module 2, described for manually push-button unit 2-14 and the A/D converting unit 2-8 output terminal of parameters all join with the input end of MCU controller 2-9, the input end of multi-way switch 2-7 and described A/D converting unit 2-8 joins, the input end of the output terminal of described MCU controller 2-9 and D/A converting unit 2-10 joins, the output terminal of described D/A converting unit 2-10 and photoelectric coupling unit for promoting inhibition two 2-11 join, the interface unit 2-13 that the output terminal of described MCU controller 2-9 is also connected to display unit 2-12 and joins with host computer 1, hydraulic pressure sampling unit 2-1, rectification filtering unit one 2-2 and photoelectric coupling unit for promoting inhibition one 2-3 that for the signal that pressure transducer 1 is collected, convert voltage signal to join successively and join with the input end of described multi-way switch 2-7, and the input end of described multi-way switch 2-7 is also connected to ductwork pressure sampling unit 2-4, rectification filtering unit two 2-5 and photoelectric coupling unit for promoting inhibition three 2-6 that the ductwork pressure signal for pressure transducer 24 is collected joining successively converts voltage signal to, the output terminal of described photoelectric coupling unit for promoting inhibition two 2-11 joins with water pump assembly unit 8 by controlling the frequency-variable controller 5 of machine operation frequency, between described frequency-variable controller 5 and water pump assembly unit 8, be also connected to solid-state relay group 7, described motor supply network 6 comprises common frequency power network 6-1 and the changing frequency power network 6-2 that controls water pump assembly unit 8 frequency of operation by solid-state relay group 7, described solid-state relay group 7 comprises relay one 7-1, relay two 7-2, relay three 7-3 and relay four 7-4, described water pump assembly unit 8 comprises motor one 8-11 joining with water pump one 8-21, motor two 8-12 that join with water pump two 8-22, motor three 8-13 that join with water pump three 8-23 and motor four 8-14 that join with water pump four 8-24, described motor one 8-11 joins by relay one 7-1 and common frequency power network 6-1 and changing frequency power network 6-2, described motor two 8-12 join by relay two 7-2 and common frequency power network 6-1 and changing frequency power network 6-2, described motor three 8-13 join by relay three 7-3 and common frequency power network 6-1 and changing frequency power network 6-2, described motor four 8-14 join by relay four 7-4 and common frequency power network 6-1 and changing frequency power network 6-2.
As shown in Figure 1, in the present embodiment, described MCU controller 2-9 is single chip computer AT 89S52.
As shown in Figure 1, in the present embodiment, described display unit 2-12 is light-emitting diode display.
As shown in Figure 1, in the present embodiment, described push-button unit 2-14 is comprised of 4 groups of function keys that respectively each water pump arranged.
The course of work of the present utility model is: add pump process: when system comes into operation, first control push-button unit 2-14 and open small-sized auxiliary pump one 8-21, by pressure transducer 24, ductwork pressure being detected raises gradually, and the ductwork pressure signal detecting is converted to voltage signal, successively by the sampling of ductwork pressure sampling unit 2-4, the rectifying and wave-filtering of rectification filtering unit two 2-5, the isolation of photoelectric coupling unit for promoting inhibition three 2-6 is amplified, multi-way switch 2-7 and A/D converting unit 2-8 send MCU controller 2-9 to, when MCU controller 2-9 is by the ductwork pressure contrast of the voltage signal receiving and setting, and draw when current ductwork pressure is less than setting value, MCU controller 2-9 is by D/A converting unit 2-10 and relay two 7-2 and changing frequency power network 6-2's photoelectric coupling unit for promoting inhibition two 2-11 control frequency-variable controllers 5 are joined and frequency raises gradually, make relay one 7-1 and changing frequency power network 6-2 join and frequency minimum (10HZ is following) simultaneously, even high powered water pump two 8-22 work, stop the one 8-21 work of auxiliary miniwatt water pump, when water pump two 8-22 are operated in rated frequency aquifer yield maximum, when pressure transducer 24 detects ductwork pressure and does not still reach setting value, when the pressure transducer 1 that is simultaneously arranged on water delivering orifice detects water delivering orifice hydraulic pressure and does not also reach setting value, relay three 7-3 and changing frequency power network 6-2's MCU controller 2-9 control frequency-variable controller 5 are joined and frequency raises gradually, make relay two 7-2 and common frequency power network 6-1 join simultaneously, be that soft start makes water pump three 8-23 work, make water pump two 8-22 be operated in max water yield state, by that analogy until motor four 8-14 and common frequency power network 6-2 join, water pump four 8-24 start maximum frequency operation, subtract pump process: when water consumption reduces, because water pump works on, so ductwork pressure and water delivering orifice hydraulic pressure all increase, when higher than setting value, MCU controller 2-9 control frequency-variable controller 5 makes to control relay four 7-4 of motor four 8-14 and changing frequency power network 6-2 joins and frequency minimum (10HZ is following), even if water pump four 8-24 quit work, according to real-time ductwork pressure and water delivering orifice hydraulic pressure, when still higher than setting value, MCU controller 2-9 control frequency-variable controller 5 makes to control relay three 7-3 of motor three 8-13 and changing frequency power network 6-2 joins and frequency minimum (10HZ is following), even if water pump three 8-23 also quit work, until motor one 8-11 and common frequency power network 6-1 join, only there is small-sized auxiliary pump one 8-21 steady operation under maximum frequency by that analogy, to sum up, when ductwork pressure and water delivering orifice pressure are within the scope of assigned error, continuous and constant pressure supplies water.
In sum, the utility model is controlled the input number of units of water pump and the rotating speed of water pump according to actual used water situation by frequency-variable controller, can supply water on real-time stabilization ground, and good speed adjustment features, supplies water stable, and energy-saving effect is remarkable, safe and reliable to operation; External host computer can be realized on line real-time monitoring management simultaneously, supplies water to manage carried out early-stage preparations for area, is convenient to promote.
The above; it is only preferred embodiment of the present utility model; not the utility model is imposed any restrictions; every any simple modification of above embodiment being done according to the utility model technical spirit, change and equivalent structure change, and all still belong in the protection domain of technical solutions of the utility model.
Claims (4)
1. a constant pressure water supply control system, it is characterized in that: comprise MCU control module (2), motor supply network (6) and water pump assembly unit (8), described MCU control module (2) comprises MCU controller (2-9) and is the power module (9) of each power unit power supply in MCU control module (2), described for manually push-button unit (2-14) and A/D converting unit (2-8) output terminal of parameters all join with the input end of MCU controller (2-9), multi-way switch (2-7) joins with the input end of described A/D converting unit (2-8), the input end of the output terminal of described MCU controller (2-9) and D/A converting unit (2-10) joins, the output terminal of described D/A converting unit (2-10) and photoelectric coupling unit for promoting inhibition two (2-11) join, the interface unit (2-13) that the output terminal of described MCU controller (2-9) is also connected to display unit (2-12) and joins with host computer (1), the hydraulic pressure sampling unit (2-1), rectification filtering unit one (2-2) and the photoelectric coupling unit for promoting inhibition one (2-3) that for the signal that pressure transducer one (3) is collected, convert voltage signal to join successively and join with the input end of described multi-way switch (2-7), and the input end of described multi-way switch (2-7) is also connected to ductwork pressure sampling unit (2-4), rectification filtering unit two (2-5) and the photoelectric coupling unit for promoting inhibition three (2-6) that the ductwork pressure signal for pressure transducer two (4) is collected joining successively converts voltage signal to, the output terminal of described photoelectric coupling unit for promoting inhibition two (2-11) joins with water pump assembly unit (8) by controlling the frequency-variable controller (5) of machine operation frequency, between described frequency-variable controller (5) and water pump assembly unit (8), be also connected to solid-state relay group (7), described motor supply network (6) comprises common frequency power network (6-1) and the changing frequency power network (6-2) of controlling water pump assembly unit (8) frequency of operation by solid-state relay group (7), described solid-state relay group (7) comprises relay one (7-1), relay two (7-2), relay three (7-3) and relay four (7-4), described water pump assembly unit (8) comprises the motor one (8-11) joining with water pump one (8-21), the motor two (8-12) joining with water pump two (8-22), the motor three (8-13) joining with water pump three (8-23) and the motor four (8-14) joining with water pump four (8-24), described motor one (8-11) joins by relay one (7-1) and common frequency power network (6-1) and changing frequency power network (6-2), described motor two (8-12) joins by relay two (7-2) and common frequency power network (6-1) and changing frequency power network (6-2), described motor three (8-13) joins by relay three (7-3) and common frequency power network (6-1) and changing frequency power network (6-2), described motor four (8-14) joins by relay four (7-4) and common frequency power network (6-1) and changing frequency power network (6-2).
2. according to constant pressure water supply control system claimed in claim 1, it is characterized in that: described MCU controller (2-9) is single chip computer AT 89S52.
3. according to constant pressure water supply control system claimed in claim 1, it is characterized in that: described display unit (2-12) is light-emitting diode display.
4. according to constant pressure water supply control system claimed in claim 1, it is characterized in that: described push-button unit (2-14) is comprised of 4 groups of function keys that respectively each water pump arranged.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320588751.0U CN203490527U (en) | 2013-09-23 | 2013-09-23 | Constant pressure water supply controlling system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320588751.0U CN203490527U (en) | 2013-09-23 | 2013-09-23 | Constant pressure water supply controlling system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203490527U true CN203490527U (en) | 2014-03-19 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320588751.0U Expired - Fee Related CN203490527U (en) | 2013-09-23 | 2013-09-23 | Constant pressure water supply controlling system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203490527U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105278352A (en) * | 2014-05-28 | 2016-01-27 | 株洲变流技术国家工程研究中心有限公司 | Oil field water injection automatic control system and method thereof |
| CN106094899A (en) * | 2016-07-12 | 2016-11-09 | 安徽恒远自动化仪表有限公司 | A kind of Flow-rate adjustment DCS control system |
-
2013
- 2013-09-23 CN CN201320588751.0U patent/CN203490527U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105278352A (en) * | 2014-05-28 | 2016-01-27 | 株洲变流技术国家工程研究中心有限公司 | Oil field water injection automatic control system and method thereof |
| CN105278352B (en) * | 2014-05-28 | 2018-06-12 | 株洲变流技术国家工程研究中心有限公司 | Oil-field flooding automatic control system and its method |
| CN106094899A (en) * | 2016-07-12 | 2016-11-09 | 安徽恒远自动化仪表有限公司 | A kind of Flow-rate adjustment DCS control system |
| CN106094899B (en) * | 2016-07-12 | 2019-01-01 | 安徽恒远自动化仪表有限公司 | A kind of flow adjusting DCS control system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140319 Termination date: 20140923 |
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| EXPY | Termination of patent right or utility model |