CN103775350A - Immersive wide-amplitude-modulation water supply equipment - Google Patents
Immersive wide-amplitude-modulation water supply equipment Download PDFInfo
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- CN103775350A CN103775350A CN201410054419.5A CN201410054419A CN103775350A CN 103775350 A CN103775350 A CN 103775350A CN 201410054419 A CN201410054419 A CN 201410054419A CN 103775350 A CN103775350 A CN 103775350A
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- housing
- shell
- storage tank
- transmission shaft
- water storage
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Abstract
The invention discloses immersive wide-amplitude-modulation water supply equipment which consists of a pump head, a variable-frequency motor and a water storage tank, wherein the pump head consists of multiple stages of impellers, a transmission shaft and a shell; the shell is cylindrical; an immersion section is formed at the middle of the shell; a plurality of water inlets are formed in the side wall of the shell within the range of the immersion section; the transmission shaft is coaxially arranged in the shell; the multiple stages of impellers are coaxially arranged on the transmission shaft in the range of the shell; the shell penetrates through the water storage tank; two ends of the shell are positioned outside the water storage tank; the immersion section on the shell is positioned in the water storage tank; the transmission end of the transmission shaft is in transmission connection with an output shaft of the variable-frequency motor. The immersive wide-amplitude-modulation water supply equipment has the technical benefits that the construction and maintenance cost of the equipment are greatly reduced, the energy consumption is low, the running cost is low, and a control system is simple and reliable.
Description
Technical field
The present invention relates to a kind of secondary water-supply equipment, relate in particular to the wide amplitude modulation water supply equipment of a kind of immersion.
Background technique
Along with the appearance of a large amount of tall buildings, secondary water-supply equipment has become the requisite corollary equipment of tall building, be limited to conventional thinking, general common water pump or the relatively large multistage pump of impeller diameter that adopts multiple single impellers of existing secondary water-supply equipment guarantees changes in flow rate, discharge pressure is constant, the water pump quantity of devoting oneself to work by control regulates pressure, the problem existing is: the secondary water-supply equipment of the multiple common water pumps of existing employing need to all be equipped with a motor for every water pump, the cost of equipment establishment and later maintenance is all higher, in the time that discharge pressure demand is larger, need many water pumps to turn round simultaneously, when small flow operation, frequency is higher, power consumption is larger, hydraulic pressure regulates needs to regulate the water pump quantity putting into operation, control strategy complexity, install complicated, cost is larger, installation period is long, less stable.
Summary of the invention
For the problem in background technique, the present invention proposes the wide amplitude modulation water supply equipment of a kind of immersion, its structure is: the wide amplitude modulation water supply equipment of described immersion is made up of pump head, variable-frequency motor and water storage tank; Described pump head is by multi-stage impeller (single-stage lift is lower, is commonly called as small impeller, general single-stage 4-8 rice), transmission shaft and housing composition; Described housing is cylindrical, and housing middle part forms submergence section, is provided with multiple water inlets in the housing sidewall in submergence segment limit; Described transmission shaft is coaxially arranged in housing; Described multi-stage impeller is coaxially arranged on the transmission shaft within the scope of housing;
Described housing connects water storage tank, and housing two ends are positioned at outside water storage tank, and the submergence section on housing is positioned at water storage tank; The driving end of described transmission shaft and the output shaft of variable-frequency motor are in transmission connection.
Principle of the present invention is: from structure of the present invention, equipment of the present invention only needs to be equipped with a variable-frequency motor with control system, and the cost of equipment establishment and later maintenance is all relatively low; From existing theory, the pump head being made up of multiple impellers of the present invention, is changing under rotating speed, can obtain the lift larger than the pump head of single impeller or multiple large impellers and change (Q-H curve is more precipitous); Otherwise under the identical condition of lift, the required rotating speed of pump head of the present invention is less, and under identical load condition, the power curve of Multi-impeller pump head is lower than single impeller pump head, especially large in discharge pressure demand or hour, energy consumption of the present invention is lower; The present invention controls discharge pressure by the rotating speed that regulates multistage small impeller pump head, and than prior art, its control strategy is more simple, stable, consumption reduction.
Useful technique effect of the present invention is: significantly reduce establishment and the maintenance cost of equipment, energy consumption is low, and operation cost is low, and control system is simple, reliable.
Accompanying drawing explanation
Fig. 1, structural representation of the present invention.
Embodiment
The wide amplitude modulation water supply equipment of a kind of immersion, the wide amplitude modulation water supply equipment of described immersion is made up of pump head, variable-frequency motor 4 and water storage tank 5 with control system; Described pump head is made up of multi-stage impeller 1, transmission shaft, machine envelope 2 and housing 3; Described housing 3 is cylindrical, and housing 3 middle parts form submergence section, on housing 3 sidewalls in submergence segment limit, are provided with multiple water inlets; Described transmission shaft, machine envelope 2 are coaxially arranged in housing 3; Transmission shaft, machine that described multi-stage impeller 1 is coaxially arranged in housing 3 scopes seal on 2;
Described housing 3 connects water storage tank 5, and housing 3 two ends are positioned at outside water storage tank 5, and the submergence section on housing 3 is positioned at water storage tank 5; The driving end of described transmission shaft, machine envelope 2 is in transmission connection with the output shaft of the variable-frequency motor 4 with control system.
Claims (1)
1. the wide amplitude modulation water supply equipment of immersion, is characterized in that: the wide amplitude modulation water supply equipment of described immersion is made up of pump head, variable-frequency motor (4) and water storage tank (5); Described pump head is made up of multi-stage impeller (1), transmission shaft (2) and housing (3); Described housing (3) is cylindrical, and housing (3) middle part forms submergence section, on housing (3) sidewall in submergence segment limit, is provided with multiple water inlets; Described transmission shaft (2) is coaxially arranged in housing (3); Described multi-stage impeller (1) is coaxially arranged on the transmission shaft (2) in housing (3) scope;
Described housing (3) connects water storage tank (5), and housing (3) two ends are positioned at outside water storage tank (5), and the submergence section on housing (3) is positioned at water storage tank (5); The output shaft of the driving end of described transmission shaft (2) and variable-frequency motor (4) is in transmission connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410054419.5A CN103775350A (en) | 2014-02-18 | 2014-02-18 | Immersive wide-amplitude-modulation water supply equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410054419.5A CN103775350A (en) | 2014-02-18 | 2014-02-18 | Immersive wide-amplitude-modulation water supply equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103775350A true CN103775350A (en) | 2014-05-07 |
Family
ID=50567982
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410054419.5A Pending CN103775350A (en) | 2014-02-18 | 2014-02-18 | Immersive wide-amplitude-modulation water supply equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103775350A (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0642491A (en) * | 1992-07-24 | 1994-02-15 | Sayama Seisakusho:Kk | Submerged pump |
| CN2236033Y (en) * | 1995-03-30 | 1996-09-25 | 陈和祺 | Centrifugal pump structure |
| CN2349387Y (en) * | 1997-12-17 | 1999-11-17 | 颜龙 | Self-cooling submerged and ground used two-purpose water pump |
| CN2495833Y (en) * | 2001-02-26 | 2002-06-19 | 覃第崇 | Vertical semi-immersible pump |
| JP2002310548A (en) * | 2001-04-16 | 2002-10-23 | Matsushita Refrig Co Ltd | Water supply unit |
| CN201209567Y (en) * | 2008-06-11 | 2009-03-18 | 遵义海立水泵制造有限责任公司 | Low temperature-lifting energy-conserving total lift submersible pump |
| CN203702581U (en) * | 2014-02-18 | 2014-07-09 | 重庆成峰二次供水设备有限责任公司 | Immersion-type wide-modulation-amplitude water supply device |
-
2014
- 2014-02-18 CN CN201410054419.5A patent/CN103775350A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0642491A (en) * | 1992-07-24 | 1994-02-15 | Sayama Seisakusho:Kk | Submerged pump |
| CN2236033Y (en) * | 1995-03-30 | 1996-09-25 | 陈和祺 | Centrifugal pump structure |
| CN2349387Y (en) * | 1997-12-17 | 1999-11-17 | 颜龙 | Self-cooling submerged and ground used two-purpose water pump |
| CN2495833Y (en) * | 2001-02-26 | 2002-06-19 | 覃第崇 | Vertical semi-immersible pump |
| JP2002310548A (en) * | 2001-04-16 | 2002-10-23 | Matsushita Refrig Co Ltd | Water supply unit |
| CN201209567Y (en) * | 2008-06-11 | 2009-03-18 | 遵义海立水泵制造有限责任公司 | Low temperature-lifting energy-conserving total lift submersible pump |
| CN203702581U (en) * | 2014-02-18 | 2014-07-09 | 重庆成峰二次供水设备有限责任公司 | Immersion-type wide-modulation-amplitude water supply device |
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| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20140507 |
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| RJ01 | Rejection of invention patent application after publication |