CN202347587U - Constant-pressure frequency conversion water supply device - Google Patents
Constant-pressure frequency conversion water supply device Download PDFInfo
- Publication number
- CN202347587U CN202347587U CN2011204614288U CN201120461428U CN202347587U CN 202347587 U CN202347587 U CN 202347587U CN 2011204614288 U CN2011204614288 U CN 2011204614288U CN 201120461428 U CN201120461428 U CN 201120461428U CN 202347587 U CN202347587 U CN 202347587U
- Authority
- CN
- China
- Prior art keywords
- water
- pressure
- water pump
- frequency
- frequency converter
- 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.)
- Expired - Fee Related
Links
Images
Landscapes
- Control Of Positive-Displacement Pumps (AREA)
Abstract
The utility model relates to a constant-pressure frequency conversion water supply device, comprising a water inlet, a water pump and a water outlet, wherein the water pump is connected with the water inlet through a water inlet pipeline, and the water pump is connected with the water outlet through a water outlet pipeline; the constant-pressure frequency conversion water supply device further comprises a pressure water storage tank, a pressure sensor, a programmable controller and a frequency converter, wherein the pressure water storage tank is arranged on the water outlet pipeline, the pressure sensor is arranged on the water outlet pipeline between the pressure water storage tank and the water pump, the input end of the programmable controller is electrically connected with the pressure sensor, the output end of the programmable controller is electrically connected with the frequency converter, and the frequency converter is electrically connected with the water pump. Through pressure signals received by the pressure sensor, the programmable controller and the set pressure are compared and computed, and adjusting parameters are output to the frequency converter to control the change of the frequency. When a lot of water is used, the frequency is increased and the revolution of the water pump is accelerated; otherwise, the frequency is reduced and the revolution of the water pump is declined, so that the water application of the user is ensured, the electric energy is saved, the fault rate of equipments can be reduced, and the water supply quality is improved.
Description
Technical field
The utility model relates to a kind of converter technique, is specifically related to a kind of water system and uses the constant pressure frequency conversion device.
Background technology
Existing water system adopts water pump that drinking water is distributed to each user through pipeline more, in order to save the energy, generally on water pump, is provided with induction meter; When sensing the hydraulic pressure deficiency; Water pump just with all strength rotates hydraulic pressure is gone out, and when the pressure of outlet conduit is enough when high, then stops the rotation of water pump; Treat to open again when inner pipe water pressure is not enough water pump; And general water pump quality bills of materials is all unstable, and then cause following disappearance in this way: frequent because of the startup of water pump, the automatic starting switch node of water pump is ruined and fault easily; Downforce changes on the water system of water pump, and pressure is suddenly big or suddenly small; Power consumption is looked the number of starts when water yield (promptly use little) of motor and is increased, as long as the near lower limit of pressure just starts full-speed operation, and the uncontrollable water yield.
The utility model content
To the deficiency of prior art, the purpose of the utility model is intended to provide a kind of stable, energy-conservation constant pressure frequency conversion water supply installation.
For realizing above-mentioned purpose, the utility model adopts following technical scheme:
A kind of constant pressure frequency conversion water supply installation; Comprise water inlet, water pump, delivery port, water pump is connected with water inlet through inlet channel, and water pump is connected with delivery port through outlet conduit; Also comprise pressure water storage tank, pressure sensor, programmable logic controller, frequency converter; Pressure water storage tank is arranged on the outlet conduit, and pressure sensor is arranged on the outlet conduit between pressure water storage tank and the water pump, and the input of programmable logic controller and pressure sensor electrically connect; The output of programmable logic controller and frequency converter electrically connect, and frequency converter and water pump electrically connect.
Preferably, said frequency converter is electrically connected with water pump through power cable.
Preferably, said water pump is the MODEL VERTICAL MULTISTAGE PUMP group.
A kind of constant pressure frequency conversion water supply installation that the utility model is set forth; Compared with prior art; Its beneficial effect is: the utility model adopts pressure sensor, programmable logic controller, frequency converter and pump motor constitute and setting pressure is the close-loop automatic adjustment system of benchmark, have the function of control of pump constant pressure water supply; Pressure signal through pressure sensor is accepted compares computing through programmable logic controller and setting pressure, and the variation that parameter is given its frequency of Frequency Converter Control is regulated in output.Water for a long time, frequency improves, the water pump revolution is accelerated; Otherwise frequency reduces, and the water pump revolution descends, and can guarantee that user's water can save electric energy again.
Description of drawings
Accompanying drawing 1 is the structural representation of a kind of constant pressure frequency conversion water supply installation of the utility model.
The specific embodiment
Below, in conjunction with the accompanying drawing and the specific embodiment, the constant pressure frequency conversion water supply installation of the utility model done further describing, so that clearerly understand the utility model technological thought required for protection.
Accompanying drawing 1 is the structural representation of a kind of constant pressure frequency conversion water supply installation of the utility model.As shown in Figure 1; A kind of constant pressure frequency conversion water supply installation comprises water inlet, water pump 4, delivery port, and water pump 4 is connected with water inlet through inlet channel; Water pump 4 also is connected with delivery port through outlet conduit; In order to guarantee that user's water can save electric energy again, the utility model device also comprises pressure water storage tank 5, pressure sensor 3, programmable logic controller 2, frequency converter 1, and pressure water storage tank 5 is arranged on the outlet conduit; Pressure sensor 3 is arranged on the outlet conduit between pressure water storage tank 5 and the water pump 4; The input of programmable logic controller 2 and pressure sensor 3 electrically connect, and the output of programmable logic controller 3 and frequency converter 1 electrically connect, and frequency converter 1 electrically connects through power cable with water pump 4.Water pump 4 visual number of users adopt the MODEL VERTICAL MULTISTAGE PUMP group; Each pump group can adopt a plurality of water pumps to compose in parallel; In the utility model preferred embodiment, only adopt a water pump 4 as the protection domain of explaining and setting forth the utility model, certainly; When adopting the multistage pump group, pressure water storage tank 5 and pressure sensor 3 should be installed on the public output place of pump group.
Its operating principle is: the motor of pressure sensor 3, programmable logic controller 2, frequency converter 1 and water pump 4 constitutes and setting pressure is the close-loop automatic adjustment system of benchmark, has the function of control of pump constant pressure water supply; Pressure signal through pressure sensor 3 is accepted compares computing through programmable logic controller 2 and setting pressure, and the variation that parameter is given frequency converter 1 its frequency of control is regulated in output.Water for a long time, frequency improves, the water pump revolution is accelerated; Otherwise frequency reduces, and the water pump revolution descends, and can guarantee that user's water can save electric energy again, water pump can by frequent starting with not stop, guaranteeing pressure of supply water, and can reduce equipment failure rate, improve quality of water supply.
For a person skilled in the art, can make other various corresponding changes and distortion, and these all changes and distortion should belong within the protection domain of the utility model claim all according to the technical scheme and the design of above description.
Claims (3)
1. a constant pressure frequency conversion water supply installation comprises water inlet, water pump, delivery port, and water pump is connected with water inlet through inlet channel; Water pump is connected with delivery port through outlet conduit; It is characterized in that also comprise pressure water storage tank, pressure sensor, programmable logic controller, frequency converter, pressure water storage tank is arranged on the outlet conduit; Pressure sensor is arranged on the outlet conduit between pressure water storage tank and the water pump; The input of programmable logic controller and pressure sensor electrically connect, and the output of programmable logic controller and frequency converter electrically connect, and frequency converter and water pump electrically connect.
2. constant pressure frequency conversion water supply installation as claimed in claim 1 is characterized in that, said frequency converter is electrically connected with water pump through power cable.
3. constant pressure frequency conversion water supply installation as claimed in claim 2 is characterized in that, said water pump is the MODEL VERTICAL MULTISTAGE PUMP group.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011204614288U CN202347587U (en) | 2011-11-18 | 2011-11-18 | Constant-pressure frequency conversion water supply device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011204614288U CN202347587U (en) | 2011-11-18 | 2011-11-18 | Constant-pressure frequency conversion water supply device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202347587U true CN202347587U (en) | 2012-07-25 |
Family
ID=46536599
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011204614288U Expired - Fee Related CN202347587U (en) | 2011-11-18 | 2011-11-18 | Constant-pressure frequency conversion water supply device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202347587U (en) |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102966576A (en) * | 2012-11-07 | 2013-03-13 | 无锡惠山泵业有限公司 | Intelligent water pump |
| CN104153425A (en) * | 2014-08-21 | 2014-11-19 | 巢湖市金辉自控设备有限公司 | Constant-pressure water supply system |
| CN104452895A (en) * | 2014-11-11 | 2015-03-25 | 宁夏嘉翔自控技术有限公司 | Central control device of water well PLC controlled taper water supply system |
| CN104452896A (en) * | 2014-11-11 | 2015-03-25 | 宁夏嘉翔自控技术有限公司 | Device for controlling water well water pump of tap water supply system through central PLC |
| CN104563212A (en) * | 2014-07-22 | 2015-04-29 | 上海大众祥源动力供应有限公司 | Variable-frequency constant-pressure make-up water control system on basis of PI (Proportional-Integral) regulation |
| CN106984579A (en) * | 2017-05-18 | 2017-07-28 | 肖鸿涛 | Washing machine and cleaning method |
| CN107262423A (en) * | 2016-04-06 | 2017-10-20 | 台州博高机电塑胶有限公司 | The jetting machine of one machine multiple gun |
| CN110359518A (en) * | 2019-05-16 | 2019-10-22 | 戚长胜 | A kind of variable-flow multi-stage-multi-outlet water pump constant pressure water supply system and control method |
| CN112539162A (en) * | 2019-09-20 | 2021-03-23 | 佛山市沃联电气有限公司 | Constant pressure pump |
-
2011
- 2011-11-18 CN CN2011204614288U patent/CN202347587U/en not_active Expired - Fee Related
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102966576A (en) * | 2012-11-07 | 2013-03-13 | 无锡惠山泵业有限公司 | Intelligent water pump |
| CN104563212A (en) * | 2014-07-22 | 2015-04-29 | 上海大众祥源动力供应有限公司 | Variable-frequency constant-pressure make-up water control system on basis of PI (Proportional-Integral) regulation |
| CN104153425A (en) * | 2014-08-21 | 2014-11-19 | 巢湖市金辉自控设备有限公司 | Constant-pressure water supply system |
| CN104452895A (en) * | 2014-11-11 | 2015-03-25 | 宁夏嘉翔自控技术有限公司 | Central control device of water well PLC controlled taper water supply system |
| CN104452896A (en) * | 2014-11-11 | 2015-03-25 | 宁夏嘉翔自控技术有限公司 | Device for controlling water well water pump of tap water supply system through central PLC |
| CN107262423A (en) * | 2016-04-06 | 2017-10-20 | 台州博高机电塑胶有限公司 | The jetting machine of one machine multiple gun |
| CN106984579A (en) * | 2017-05-18 | 2017-07-28 | 肖鸿涛 | Washing machine and cleaning method |
| CN110359518A (en) * | 2019-05-16 | 2019-10-22 | 戚长胜 | A kind of variable-flow multi-stage-multi-outlet water pump constant pressure water supply system and control method |
| CN112539162A (en) * | 2019-09-20 | 2021-03-23 | 佛山市沃联电气有限公司 | Constant pressure pump |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN202347587U (en) | Constant-pressure frequency conversion water supply device | |
| CN104074239A (en) | Full-automatic variable-frequency constant-pressure water supply system and control method thereof | |
| CN103206888A (en) | Temperature-control electricity economizing technology of circulating cooling water system | |
| CN203741939U (en) | Intelligent box type negative-pressure-free water supply device | |
| CN203814322U (en) | Fertilizing and clean water dual-purpose constant-pressure variable-frequency irrigating system | |
| CN102383462A (en) | Frequency conversion constant-pressure water supply system | |
| CN103452167A (en) | Intermediate booster pump station | |
| CN206360012U (en) | Intelligent water supply system based on low-capacity pump | |
| CN101775827A (en) | Automatic constant-pressure variable boosting water feeder | |
| CN202548651U (en) | Control system for sewage conveying flow | |
| CN104746584A (en) | Intelligent box type non-negative pressure water supply device | |
| CN202148563U (en) | Water supply pressure reduction system | |
| CN103711175A (en) | Constant pressure and constant flow combined water supply control system | |
| CN105464920A (en) | Automatic control and energy saving water pump set | |
| CN201624577U (en) | Intelligent induction type water and power-saving device | |
| CN204112405U (en) | With the non-negative pressure water-supply installation of automatic decompression device | |
| CN201236359Y (en) | Full-automatic dual frequency laminating water supply equipment | |
| CN204001056U (en) | Constant-pressure variable supply equipment | |
| CN203129254U (en) | Non-negative pressure variable frequency water supply device | |
| CN204418277U (en) | Box one water supply pumping plant | |
| CN202850104U (en) | Non-negative pressure variable-frequency water supply device | |
| CN202936849U (en) | Variable frequency constant pressure water supply device | |
| CN203200825U (en) | Deep-well pump variable frequency constant pressure voltage stabilization water supply system for configuring steady flow tank | |
| CN204126009U (en) | Energy-saving water supply system | |
| CN203271809U (en) | Automatic mine-used water discharging device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: GUANGDONG SHUITIAN WATER TREATMENT TECHNOLOGY CO., Free format text: FORMER OWNER: GUANGZHOU SHUITIAN WATER TREATMENT EQUIPMENT CO., LTD. Effective date: 20121031 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20121031 Address after: 510000, building 1002, building tenth, building 182, science Road, Science Town, Guangzhou hi tech Industrial Development Zone, Guangdong, Guangzhou, Patentee after: Guangdong Lianshuo Technology Industrial Co., Ltd. Address before: 510000, building 4, Jindong Industrial Park, cen village, Tianhe District, Guangdong, Guangzhou Patentee before: Guangzhou Shuitian Water Treatment Equipment Co.,Ltd. |
|
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120725 Termination date: 20131118 |