CN203022060U - Air pressure water supply device - Google Patents
Air pressure water supply device Download PDFInfo
- Publication number
- CN203022060U CN203022060U CN 201220536032 CN201220536032U CN203022060U CN 203022060 U CN203022060 U CN 203022060U CN 201220536032 CN201220536032 CN 201220536032 CN 201220536032 U CN201220536032 U CN 201220536032U CN 203022060 U CN203022060 U CN 203022060U
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- air pressure
- outlet
- water inlet
- water
- auxiliary pump
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Abstract
The utility model discloses an air pressure water supply device which comprises an air pressure jar, an auxiliary pump and a three-way switching valve. A water inlet pipeline and a water outlet pipeline are connected on the air pressure jar. The water outlet pipeline of the air pressure jar is connected with an inlet of the auxiliary pump. The water inlet pipeline of the air pressure jar is connected an automatic water inlet outlet of the three-way switching valve. An outlet of the auxiliary pump is connected with a passive water inlet outlet of the three-way switching valve. A public water inlet outlet of the three-way switching valve is connected with an exterior water supply unit. When the auxiliary pump stops working, two-way communication of the automatic water inlet outlet and the public water inlet outlet of the three-way switching valve is kept, and the passive water inlet outlet is closed or in semi-close state. When the auxiliary pump is started to operate, an interior valve clack is pushed to close the automatic water inlet outlet, meanwhile, the public water inlet outlet and the passive water inlet outlet are communicated completely, and the air pressure jar serves as a water source by the auxiliary pump, and certain water supply quantity can be continued providing, and pressure of supplying water outwards is kept to be not lower than a lower limiting value P1, and effective water capacity of the air pressure jar can be improved.
Description
Technical field
The utility model relates to supply equipment, relates in particular to a kind of pressure watering device.
Background technology
All kinds of secondary booster supply equipments are generally combined by pump, valve, tank, and air pressure tank is a kind of basic product in supply equipment, and dischargeable capacity means the important parameter of its performance, and the maximum effectively water capacity of traditional air pressure tank is determined by following formula:
V effectively=V total (1-P1/P2)
V is total-the air pressure tank total measurement (volume)
P1-minimum working pressure is got absolute pressure value
P2-maximum working pressure is got absolute pressure value
To various constant pressure water supply equipment, the absolute pressure of supporting air pressure tank is generally 0.9 left and right than P1/P2, the dischargeable capacity of maximum possible is 10% left and right of total measurement (volume), to pressure water supply equipment, the absolute pressure of supporting air pressure tank is generally 0.8 left and right than P1/P2, maximum dischargeable capacity is also 20% left and right of total measurement (volume), and visible common air pressure tank dischargeable capacity is very limited.Realize pressure water supply by the gas expansion in air pressure tank, reach certain effective water capacity that supplies, the air pressure tank that needs very large total measurement (volume), cause that volume is large, price is high, floor space is large, and this air pressure tank function singleness is only suitable for doing the vacuum tank of supply equipment inlet buffer and equipment outlet.
The utility model content
The technical problems to be solved in the utility model is to provide a kind of pressure watering device, improves that conventional air pressure tank volume is large, dischargeable capacity is little, cost is high and the problem such as purposes is single, has high dischargeable capacity, the characteristics that cost is low.
For achieving the above object, the technical solution of the utility model is as follows:
A kind of pressure watering device, comprise air pressure tank, auxiliary pump, three-way switch valve, be connected with inlet and outlet pipe on described air pressure tank, the outlet pipeline of described air pressure tank is connected with the entrance of auxiliary pump, the inlet pipeline of air pressure tank is connected with the automatic intake-outlet of three-way switch valve, described auxiliary delivery side of pump is connected with the passive intake-outlet of three-way switch valve, and the public intake-outlet of three-way switch valve is connected for water unit with outside.
Preferably, described auxiliary pump adopts the counter-infiltration diaphragm pump.
By technique scheme, the beneficial effects of the utility model are:
When auxiliary pump is shut down; the automatic intake-outlet of three-way switch valve, public intake-outlet keep diconnected; passive intake-outlet is closed or is in semi-open state; when starting auxiliary pump operation, promote internal flap automatic intake-outlet is closed, public intake-outlet, passive intake-outlet are communicated with fully simultaneously; make auxiliary pump take air pressure tank as the water source; can continue the output that provides certain, and keep being not less than lower limit P1 to outside pressure of supply water, improve the effective water capacity of air pressure tank.
Description of drawings
In order to be illustrated more clearly in the utility model embodiment or technical scheme of the prior art, the below will do to introduce simply to the accompanying drawing of required use in embodiment or description of the Prior Art, apparently, accompanying drawing in the following describes is only embodiment more of the present utility model, for those of ordinary skills, under the prerequisite of not paying creative work, can also obtain according to these accompanying drawings other accompanying drawing.
Fig. 1 is the utility model structural representation.
Fig. 2 is example structure schematic diagram of the utility model.
The 1-air pressure tank; The auxiliary pump of 2-; The 3-three-way switch valve; 4-main-supply road; The 5-pressure sensor; The 6-main pump; The 7-main pump; The 8-water check valve; The 9-water check valve; The 10-pressure sensor; The 11-export pipeline; The 12-user side; The 13-inlet pipeline, the 14-outlet pipeline; The automatic intake-outlet of A-three-way switch valve, the public intake-outlet of B-three-way switch valve, the passive intake-outlet of C-three-way switch valve.
The specific embodiment
For technological means, creation characteristic that the utility model is realized, reach purpose and effect is easy to understand, below in conjunction with concrete diagram, further set forth the utility model.
With reference to shown in Figure 1, a kind of pressure watering device, comprise air pressure tank 1, auxiliary pump 2, three-way switch valve 3, be connected with inlet and outlet pipe 13,14 on described air pressure tank 1, the outlet pipeline 14 of described air pressure tank 1 is connected with the entrance of auxiliary pump 2, the inlet pipeline 13 of air pressure tank 1 is connected with the automatic intake-outlet A of three-way switch valve 3, and the outlet of described auxiliary pump 2 is connected with the passive intake-outlet C of three-way switch valve 3, and the public intake-outlet B of three-way switch valve 3 is connected for water unit with outside.
When auxiliary pump 2 is in stopped status, air pressure tank 1 is communicated with outside inlet and outlet pipe through automatic intake-outlet A and the public intake-outlet B of three-way switch valve 3, namely can to the interior moisturizing of air pressure tank 1, also can outwards be supplied water by air pressure tank 1.At this moment this air pressure tank 1 water facilities with the air pressure tank principle is identical usually, when pressure water supply makes air pressure tank 1 internal pressure drop to minimum working pressure P1, just can't continue pressure water supply on demand, and the effective water capacity that therefore only depends on pressure water supply to provide is very limited.
For improving the effective water capacity of air pressure tank, when this programme is down to lower limit P1 when air pressure tank 1 operating pressure, start auxiliary pump 2 operations, at this moment the passive intake-outlet C of three-way switch valve, public intake-outlet B are connected, automatically intake-outlet A closes simultaneously, auxiliary pump 2 is take air pressure tank 1 as the water source, can continue the output that provides certain, and keep being not less than lower limit P1 to outside pressure of supply water.
suppose auxiliary pump 2 operation discharge air pressure tank 1 water storages, make air pressure tank 1 pressure drop to certain value lower than P1, represent with P11, when making absolute pressure be down to 0.5 than P11/P2, be equivalent to air pressure tank 1 dischargeable capacity and rise to 50% of total measurement (volume), when making absolute pressure be down to 0.4 than P11/P2, be equivalent to air pressure tank 1 dischargeable capacity and rise to 60% of total measurement (volume), as seen effective water capacity of this pressure water supply facility is comprised of two parts: a part is the water yield of discharging by gas expansion from the upper pressure limit to the low pressure limit, another part is to start the water yield that auxiliary pump 2 continues discharge, thereby that has greatly improved air pressure tank effectively goes out water capacity.Under same dischargeable capacity condition, this technical scheme can reduce the total measurement (volume) of air pressure tank greatly in other words.
Auxiliary pump in the technical program generally adopts centrifugal pump, consider that auxiliary pump compares with the main pump in complete supply equipment, flow, lift, power are less, the efficient of small flow centrifugal pump is lower, for raising the efficiency the positive displacement pump that can adopt certain form of structure, for example adopt the RO(counter-infiltration) diaphragm pump.
The automatic intake-outlet A of three-way switch valve is corresponding with the blow vent of vacuum breaker, and public intake-outlet B is corresponding with the delivery port of vacuum breaker, and passive intake-outlet C is corresponding with the water inlet of vacuum breaker.
When auxiliary pump 2 was shut down, automatic intake-outlet A and the public intake-outlet B of three-way switch valve were in connected state, during auxiliary pump 2 operation, promoted flap and closed automatic intake-outlet A, and public intake-outlet B and passive intake-outlet C connect simultaneously.
With reference to Fig. 2, the outside water unit that supplies is comprised of two water supply branch roads that are arranged in parallel in pipe network, wherein water check valve 8 is connected with main pump 6 and is formed a water supply branch road, water check valve 9 is connected with main pump 7 and is formed a water supply branch road, a termination main-supply road 4 after two water supply branch circuit parallel connections, other end exit pipeline 11, water check valve 8,9 is used for preventing that the aqueous reflux of pipe network from entering.
Externally for being provided with pressure sensor 5 on the main-supply road 4 in water unit, in order to detect the pressure in the main-supply road, be provided with pressure sensor 10 on export pipeline 11, in order to detect the pressure in pipeline 11 for export, export pipeline 11 is connected to user side 12.Main-supply road 4 connects external water source.
Air pressure tank 1, auxiliary pump 2 are identical with operating principle and Fig. 1 of three-way switch valve 3, and the public intake-outlet B of three-way switch valve is communicated with export pipeline 11.
Above demonstration and described basic principle of the present utility model and principal character and advantage of the present utility model.The technician of the industry should understand; the utility model is not restricted to the described embodiments; that describes in above-described embodiment and manual just illustrates principle of the present utility model; under the prerequisite that does not break away from the utility model spirit and scope; the utility model also has various changes and modifications, and these changes and improvements all fall in claimed the utility model scope.The claimed scope of the utility model is defined by appending claims and equivalent thereof.
Claims (2)
1. pressure watering device, it is characterized in that, comprise air pressure tank, auxiliary pump, three-way switch valve, be connected with inlet and outlet pipe on described air pressure tank, the outlet pipeline of described air pressure tank is connected with the entrance of auxiliary pump, the inlet pipeline of air pressure tank is connected with the automatic intake-outlet of three-way switch valve, and described auxiliary delivery side of pump is connected with the passive intake-outlet of three-way switch valve, and the public intake-outlet of three-way switch valve is connected for water unit with outside.
2. a kind of pressure watering device according to claim 1, is characterized in that: described auxiliary pump employing counter-infiltration diaphragm pump.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220536032 CN203022060U (en) | 2012-10-18 | 2012-10-18 | Air pressure water supply device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220536032 CN203022060U (en) | 2012-10-18 | 2012-10-18 | Air pressure water supply device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203022060U true CN203022060U (en) | 2013-06-26 |
Family
ID=48646054
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220536032 Expired - Fee Related CN203022060U (en) | 2012-10-18 | 2012-10-18 | Air pressure water supply device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203022060U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102926430A (en) * | 2012-10-18 | 2013-02-13 | 上海凯泉泵业（集团）有限公司 | Air pressure water supply device |
-
2012
- 2012-10-18 CN CN 201220536032 patent/CN203022060U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102926430A (en) * | 2012-10-18 | 2013-02-13 | 上海凯泉泵业（集团）有限公司 | Air pressure water supply device |
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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: 20130626 Termination date: 20151018 |
|
| EXPY | Termination of patent right or utility model |