CN204983032U - No negative pressure stationary flow water supply equipment with low discharge pressurize function - Google Patents
No negative pressure stationary flow water supply equipment with low discharge pressurize function Download PDFInfo
- Publication number
- CN204983032U CN204983032U CN201520493053.1U CN201520493053U CN204983032U CN 204983032 U CN204983032 U CN 204983032U CN 201520493053 U CN201520493053 U CN 201520493053U CN 204983032 U CN204983032 U CN 204983032U
- Authority
- CN
- China
- Prior art keywords
- chamber
- pressure
- stationary flow
- supply equipment
- pressure sensor
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Landscapes
- Control Of Fluid Pressure (AREA)
Abstract
The utility model discloses a no negative pressure stationary flow water supply equipment with low discharge pressurize function, a serial communication port, including stationary flow jar, a n water pump, a n converter, a pressure sensor, pressure compensation jar, the 2nd pressure sensor, controller, be equipped with the baffle in the stationary flow jar, the baffle falls into stationary flow chamber and low discharge pressurize chamber two parts with the stationary flow jar, but be provided with first electrical control valve on the baffle between stationary flow chamber and the low discharge pressurize chamber, stationary flow chamber upper portion is provided with the water inlet, and the lower part is provided with the delivery port, the utility model discloses faling into the two -chamber integrated morphology in stationary flow chamber and low discharge pressurize chamber with the stationary flow jar, having advantages such as compact structure, on -the -spot simple to operate and stability are good, install moreover and dismantle and change in that the diaphragm in low discharge pressurize chamber is convenient, the energy -conserving performance that the low discharge supplied water is good, has nos negative pressure stationary flow water supply function simultaneously, the little degree of automation of its occupation of land height, and protect function is complete.
Description
Technical field
The utility model relates to supply equipment technical field, is specifically related to a kind of non-negative pressure stabilized supply equipment with small flow pressure maintaining function.
Background technology
In the production, living water use process of all kinds of building daily life water, all kinds of industrial and mining enterprises, when often occurring that water supply volume increases, the phenomenon that hydraulic pressure reduces, although the supply equipment kind used in existing regional water supply is also a lot, but the hydraulic pressure of existing supply equipment is negative correlation with the quantity of use water, when using water number amount various flow large, hydraulic pressure can diminish accordingly., when, just often there is the phenomenon that high-rise buildings hydraulic pressure is very low in the community user that such as floor is higher the water use peak time period in the evening at noon, time serious, the very little impact of water yield uses water normally, and few once water supply volume, then hydraulic pressure can increase suddenly, causes pipe network to damage sometimes.The pipe network pressure-superposed cities and towns tap water pipe network that can directly be serially connected in supplies water, it is a kind of novel secondary hydrotechny, its major advantage is that energy-conservation, health, occupation of land are little, uses in the secondary water-supply field of much industry and civilian construction at present, and achieves good effect.But because secondary water-supply exists water supply volume vary within wide limits, by features such as water are uneven; and often there will be the situation of long-time low discharge or zero delivery, as in the period in morning, but in order to maintain ductwork pressure; water pump still needs to run and consumed energy, there is not energy-conservation phenomenon.Therefore, the pipe network Pressure-superposed water supply equipment that market occurs often all vertical installation auto-pneumatic cylinder on water pump water outlet house steward, when being intended to realize low discharge, termination of pumping is supplied water to reach energy-saving effect by auto-pneumatic cylinder, but auto-pneumatic cylinder is owing to being constantly subject to the effect of water pump water supply compression and termination of pumping expansion, the impact such as unstability, vibration is easily caused on outfall sewer, and auto-pneumatic cylinder is not used in in-site installation and layout, also there is the problems such as voltage endurance capability and anticorrosion, corrosion simultaneously.
Utility model content
The purpose of this utility model is to provide a kind of without the need to arranging separately auto-pneumatic cylinder, reaching again the non-negative pressure stabilized supply equipment of low discharge water supply and energy saving effect.
In order to solve above technical problem, the technical solution of the utility model is as follows: the non-negative pressure stabilized supply equipment with small flow pressure maintaining function, comprises steady-flow tank, a n water pump, a n frequency converter, the first pressure sensor, pressure compensation tank, the second pressure sensor, controller;
Be provided with dividing plate in steady-flow tank, steady-flow tank is divided into current stabilization chamber and small flow pressure maintaining chamber two parts by dividing plate;
Dividing plate between current stabilization chamber and small flow pressure maintaining chamber being provided with first can electric control valve;
Top, current stabilization chamber is provided with water inlet, and bottom is provided with delivery port;
The water inlet of n water pump connects the delivery port in current stabilization chamber, and the delivery port of n water pump connects the outlet conduit of supply equipment;
The outlet conduit of supply equipment is provided with the first pressure sensor, pressure compensation tank, the second pressure sensor, pressure compensation tank is between the first pressure sensor and the second pressure sensor;
First pressure sensor, the signal output part of the second pressure sensor are connected with the I/O port of controller;
The I/O port of controller is connected with the Stress control end of pressure compensation tank;
Controller passes through the rotating speed of i-th Frequency Converter Control, i-th water pump, 1≤i≤n;
The outlet of the outlet conduit of supply equipment is connected to inside, small flow pressure maintaining chamber by pipeline;
Pipeline between the outlet of the outlet conduit of supply equipment and small flow pressure maintaining chamber being arranged second can electric control valve;
Controller control first can electric control valve and second can the Push And Release of electric control valve.
Further, described controller adopts S7-200PLC to realize.
Further, described water delivery side of pump is provided with flow transmitter, and the signal of flow transmitter collection is input to controller.
Compared with prior art; the beneficial effects of the utility model: steady-flow tank is divided into the two-chamber integrated morphology in current stabilization chamber and small flow pressure maintaining chamber by the utility model; there is the advantages such as compact conformation, in-site installation convenience and good stability; and the barrier film being installed in small flow pressure maintaining chamber is for convenience detach and change; the energy-efficient performance that low discharge supplies water is good; have non-negative pressure stabilized water supply function, it is high that it takes up an area little automaticity, and defencive function is complete simultaneously.
Accompanying drawing explanation
Fig. 1 is the utility model principle schematic;
Detailed description of the invention
Below in conjunction with accompanying drawing, the utility model is described in further detail.
There is the non-negative pressure stabilized supply equipment of small flow pressure maintaining function, comprise steady-flow tank, 10 water pumps, 10 frequency converters, the first pressure sensor, pressure compensation tank, the second pressure sensor, controllers;
Be provided with dividing plate in steady-flow tank, steady-flow tank is divided into current stabilization chamber and small flow pressure maintaining chamber two parts by dividing plate;
Dividing plate between current stabilization chamber and small flow pressure maintaining chamber being provided with first can electric control valve;
Top, current stabilization chamber is provided with water inlet, and bottom is provided with delivery port;
The water inlet of 10 water pumps connects the delivery port in current stabilization chamber, and the delivery port of 10 water pumps connects the outlet conduit of supply equipment;
The outlet conduit of supply equipment is provided with the first pressure sensor, pressure compensation tank, the second pressure sensor, pressure compensation tank is between the first pressure sensor and the second pressure sensor;
First pressure sensor, the signal output part of the second pressure sensor are connected with the I/O port of controller;
The I/O port of controller is connected with the Stress control end of pressure compensation tank;
Controller passes through the rotating speed of i-th Frequency Converter Control, i-th water pump, 1≤i≤10;
The outlet of the outlet conduit of supply equipment is connected to inside, small flow pressure maintaining chamber by pipeline;
Pipeline between the outlet of the outlet conduit of supply equipment and small flow pressure maintaining chamber being arranged second can electric control valve;
Controller control first can electric control valve and second can the Push And Release of electric control valve.
Wherein, controller adopts S7-200PLC to realize, and water delivery side of pump is provided with flow transmitter, and the signal of flow transmitter collection is input to controller.
Utility model works principle: know current normal discharge pressure according to the first pressure sensor, again according to target discharge pressure, thus obtain the pressure size of pressure compensation tank needs compensation, controller controlled pressure compensating tank carries out pressure compensation, the second pressure sensor can real-time judge pressure compensation tank compensate pressure whether correct; Controller, by each water pump of each Frequency Converter Control, really achieves the control of accurate water yield, instead of traditional controller just controls the Push And Release of water pump.Steady-flow tank is divided into the two-chamber integrated morphology in current stabilization chamber and small flow pressure maintaining chamber by the utility model, supplied water to small flow pressure maintaining chamber by the outlet of the outlet conduit of supply equipment, and supply water to current stabilization chamber in small flow pressure maintaining chamber, define a closed-loop control, achieve the function that small flow pressure maintaining controls.
Claims (3)
1. there is the non-negative pressure stabilized supply equipment of small flow pressure maintaining function, it is characterized in that, comprise steady-flow tank, a n water pump, a n frequency converter, the first pressure sensor, pressure compensation tank, the second pressure sensor, controller;
Be provided with dividing plate in steady-flow tank, steady-flow tank is divided into current stabilization chamber and small flow pressure maintaining chamber two parts by dividing plate;
Dividing plate between current stabilization chamber and small flow pressure maintaining chamber being provided with first can electric control valve;
Top, current stabilization chamber is provided with water inlet, and bottom is provided with delivery port;
The water inlet of n water pump connects the delivery port in current stabilization chamber, and the delivery port of n water pump connects the outlet conduit of supply equipment;
The outlet conduit of supply equipment is provided with the first pressure sensor, pressure compensation tank, the second pressure sensor, pressure compensation tank is between the first pressure sensor and the second pressure sensor;
First pressure sensor, the signal output part of the second pressure sensor are connected with the I/O port of controller;
The I/O port of controller is connected with the Stress control end of pressure compensation tank;
Controller passes through the rotating speed of i-th Frequency Converter Control, i-th water pump, 1≤i≤n;
The outlet of the outlet conduit of supply equipment is connected to inside, small flow pressure maintaining chamber by pipeline;
Pipeline between the outlet of the outlet conduit of supply equipment and small flow pressure maintaining chamber being arranged second can electric control valve;
Controller control first can electric control valve and second can the Push And Release of electric control valve.
2. the non-negative pressure stabilized supply equipment with small flow pressure maintaining function according to claim 1, is characterized in that, described controller adopts S7-200PLC to realize.
3. the non-negative pressure stabilized supply equipment with small flow pressure maintaining function according to claim 1, is characterized in that, described water delivery side of pump is provided with flow transmitter, and the signal of flow transmitter collection is input to controller.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520493053.1U CN204983032U (en) | 2015-07-09 | 2015-07-09 | No negative pressure stationary flow water supply equipment with low discharge pressurize function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520493053.1U CN204983032U (en) | 2015-07-09 | 2015-07-09 | No negative pressure stationary flow water supply equipment with low discharge pressurize function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204983032U true CN204983032U (en) | 2016-01-20 |
Family
ID=55117414
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520493053.1U Active CN204983032U (en) | 2015-07-09 | 2015-07-09 | No negative pressure stationary flow water supply equipment with low discharge pressurize function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204983032U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113482096A (en) * | 2021-07-05 | 2021-10-08 | 上海邦浦实业集团有限公司 | Non-negative pressure water supply equipment with small flow control function |
-
2015
- 2015-07-09 CN CN201520493053.1U patent/CN204983032U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113482096A (en) * | 2021-07-05 | 2021-10-08 | 上海邦浦实业集团有限公司 | Non-negative pressure water supply equipment with small flow control function |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| WO2018102939A1 (en) | Prefabricated pump station for tap water pressurization | |
| CN203846562U (en) | Pressure stabilizing compensation-type non-negative pressure water supply equipment | |
| CN105089097A (en) | Water supply device and method for automatically matching appropriate water pumps according to real-time flows | |
| CN202401529U (en) | Three-tank type pressure-stabilizing compensation non-negative pressure water supply equipment | |
| CN204983032U (en) | No negative pressure stationary flow water supply equipment with low discharge pressurize function | |
| CN204023697U (en) | A kind of secondary water-supply current stabilization bidirectional compensating system | |
| CN204475438U (en) | A kind of constant pressure water supply controls unit | |
| CN104074237A (en) | Novel water supply device with water quality improving module | |
| CN102943960A (en) | Device and method for preparing compressed air by using kinetic energy of tap water | |
| CN204781132U (en) | Constant voltage variable water supply equipment with long -range monitoring function | |
| CN204001056U (en) | Constant-pressure variable supply equipment | |
| CN104846946A (en) | Energy-saving no-negative-pressure direct-connected water supply equipment | |
| CN104846929A (en) | Full-automatic energy-saving no-negative-pressure pipe network pressure-superposed water supply equipment | |
| CN203640000U (en) | Non-negative pressure and energy-conservation water supply device for intelligent step-pump set | |
| CN205205908U (en) | Variable -frequency and constant -pressure water supply system | |
| CN201078006Y (en) | Digitisation water pool pipe network stacking water-supply installation | |
| CN204311506U (en) | Pipe network pressure-superposition non-negative pressure steady flow supply equipment | |
| CN204781131U (en) | Water supply equipment with function with overvoltage protection is patrolled and examined to water pump | |
| CN201326193Y (en) | Relay-type variable-quantity-and-pressure non-negative-pressure water supply system for high-rise building | |
| CN202850122U (en) | Novel intelligent double-source constant pressure water supply device | |
| CN102704534A (en) | Frequency-conversion booster water pump set | |
| CN202767169U (en) | Frequency conversion booster water pump set | |
| CN201924408U (en) | Constant-pressure water supply device for full-automatic water supply equipment | |
| CN204215207U (en) | A kind of variable quantity and pressure changeable water supply controller | |
| CN206205039U (en) | A kind of supply equipment with small flow pressure maintaining function |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |