CN105909506A - Water pump control method based on pressure and flow switch sensors and control device - Google Patents
Water pump control method based on pressure and flow switch sensors and control device Download PDFInfo
- Publication number
- CN105909506A CN105909506A CN201610496374.6A CN201610496374A CN105909506A CN 105909506 A CN105909506 A CN 105909506A CN 201610496374 A CN201610496374 A CN 201610496374A CN 105909506 A CN105909506 A CN 105909506A
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 180
- 238000000034 method Methods 0.000 title claims abstract description 31
- 239000012530 fluid Substances 0.000 claims description 15
- 230000008034 disappearance Effects 0.000 claims description 4
- 230000002035 prolonged effect Effects 0.000 abstract 1
- 239000008400 supply water Substances 0.000 description 5
- 238000004891 communication Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 230000008014 freezing Effects 0.000 description 3
- 238000007710 freezing Methods 0.000 description 3
- 230000009172 bursting Effects 0.000 description 2
- 238000001514 detection method Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B49/00—Control, e.g. of pump delivery, or pump pressure of, or safety measures for, machines, pumps, or pumping installations, not otherwise provided for, or of interest apart from, groups F04B1/00 - F04B47/00
- F04B49/06—Control using electricity
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B49/00—Control, e.g. of pump delivery, or pump pressure of, or safety measures for, machines, pumps, or pumping installations, not otherwise provided for, or of interest apart from, groups F04B1/00 - F04B47/00
- F04B49/02—Stopping, starting, unloading or idling control
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B49/00—Control, e.g. of pump delivery, or pump pressure of, or safety measures for, machines, pumps, or pumping installations, not otherwise provided for, or of interest apart from, groups F04B1/00 - F04B47/00
- F04B49/08—Regulating by delivery pressure
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Control Of Non-Positive-Displacement Pumps (AREA)
- Control Of Positive-Displacement Pumps (AREA)
Abstract
The invention discloses a water pump control method based on pressure and flow switch sensors. By means of combination of the pressure switch sensor and the flow switch sensor, a pressure signal and a water flow signal of a water pump are detected, a pressure switch quantity signal and a water flow switch quantity signal are output to a controller, the controller controls the start and stop of the water pump, stable water supply pressure can be provided for a water supply system, meanwhile, the start and stop frequency of the water pump can be effectively reduced, and the service life of the water pump is prolonged. The invention further discloses a control device adopting the water pump control method based on the pressure and flow switch sensors. Convenience is provided for a user for control over the water pump.
Description
Technical field
The present invention relates to pump technology field, especially relate to the control technical field of water pump, be specifically related to a kind of based on pressure, the water pump control method of flow switch senser and control device.
Background technology
Water pump is to supply water and the important component part of drainage system, and more and more in family and agricultural water system.
At present, the water pump of Based Intelligent Control is used gradually to popularize in the water systems such as domestic, agricultural and commercial residential building；Generally use press detection sensor the operating pressure of water pump is detected, and export analog quantity or digital signal to water pump controller, and the start and stop of water pump are controlled according to water pump controller water pump set in advance start and stop pressure, this control method, so that the pressure stability of water system is between the startup pressure and stopping pressure of water pump, is a kind of ideal water pump control mode；But the press detection sensor used is relatively costly, causing customer charge to increase, simultaneously when user's water consumption is big, water pump start and stop are frequent, affect the service life of water pump.
Additionally, also there is use Pressure Switch Sensor to sense the operating pressure of water pump, when the operating pressure of water pump reaches the setting pressure of described Pressure Switch Sensor, export an ON signal having pressure to water pump controller, when the operating pressure of water pump is less than the setting pressure of described Pressure Switch Sensor, export an OFF signal to water pump controller；Controller controls the start and stop of water pump by receiving the on-off model of pressure transducer transmission；Although this control method can maintain a relatively stable pressure of supply water to water system, but can cause water pump frequent start-stop, the service life of water pump is impacted, and the most energy-conservation.
Part is also had to use flow switch senser to sense the current conditions of water pump, when described flow switch senser senses current, output ON signal is to water pump controller, and when described flow switch senser does not sense current, output OFF signal is to water pump controller；Water pump controller controls the start and stop of water pump according to the on-off model received, the use environment of the method is that water system itself has certain pressure, it is mainly used in water system supercharging, the starting mode of pump when user's water, to increase pressure of supply water, when user's stopping water, water pump stops, and water system keeps original pressure.
In actual used water environment, many times water system itself does not has pressure, and user is required to water system pressure when with water and remains stable；Meanwhile, water pump should avoid frequent start-stop when supplying water, and to affect the service life of water pump, brings financial burden to user, also results in energy waste simultaneously.
Summary of the invention
For the deficiencies in the prior art, the invention provides a kind of based on pressure, the water pump control method of flow switch senser, by Pressure Switch Sensor and the combination of flow switch senser, pressure signal and water-flow signal to water pump detect, the start and stop of water pump are controlled by controller by pressure signal and the water-flow signal received, can be that water system provides relatively stable pressure of supply water, can effectively reduce the stop frequency of water pump simultaneously, extend the service life of water pump.
The present invention also provides for water pump excessive low water level protection function simultaneously, to prevent the long-time no-load running of water pump；There is provided low-temperature protection function, to prevent water pump pump chamber at low ambient temperatures by bursting by freezing；Additionally, also provide for water-aspirator pressure surge tank disappearance or damage testing function, to remind user installation or to change pressure surge tank, further protect water pump, and reduce the stop frequency of water pump.
It is a further object of the present invention to provide a kind of based on pressure, the control device of the water pump control method of flow switch senser.
The technical solution adopted in the present invention is:
A kind of based on pressure, the water pump control method of flow switch senser, including,
Controller, for controlling the start and stop of water pump, receiving pressure signal and water-flow signal；
Pressure Switch Sensor, for detecting the pressure signal of water pump, and output switch amount signal is to controller；
Flow switch senser, for detecting the water-flow signal of water pump, and output switch amount signal is to controller；
When controller receives water-flow signal, control water pump continuous running；
When water-flow signal disconnects, if controller receives pressure signal, control water pump and stop or time delay stopping, if pressure signal disconnects, then control starting mode of pump operating.
Preferably, when water-flow signal disconnects, if controller receives pressure signal, control water pump and remain in operation and stop after the X second；Described X is 1-600；It is highly preferred that described X is 3-60.
Further, above-mentioned water pump control method based on pressure, flow switch senser also includes, temperature sensor, and for detecting the temperature of environment or pump chamber, and output temperature signal is to controller；When detecting that temperature is less than T degree Celsius, water pump dwell time was more than Y minute, then controller controls the starting mode of pump operating Z second；Described Y is 1-30, and described T is 0-5, and described Z is 1-30.
Further, above-mentioned water pump control method based on pressure, flow switch senser also includes, in M minute, pressure signal repeatedly disconnects, and disconnection times exceedes n times, then output pressure surge tank disappearance or breakage signal；Described M is 0.1-30, and described N is more than 5.
Further, above-mentioned water pump control method based on pressure, flow switch senser also includes, when water-flow signal disconnects, and water pump continuous running was more than Q minute, and controller does not receives pressure signal, then controls water pump and stops；Described Q is 3-15.
A kind of device that controls, any of the above-described kind of claim of use is based on pressure, the control device of the water pump control method of flow switch senser.
Described control device includes,
Control circuit plate, is used for connecting mains supply, and connects pump motor, control the power on/off of pump motor；
Pressure Switch Sensor, for detecting the pressure signal of water pump, and output pressure on-off model is to described control circuit plate；
Flow switch senser, for detecting the water-flow signal of water pump, and output pressure on-off model is to described control circuit plate.
Further, described control device includes shell, outlet, water inlet, fluid passage, check-valves, check-valves block, control circuit plate, Pressure Switch Sensor and flow switch senser；
Described outlet is arranged on the top of institute's shell, for connecting the water supply line of user side；Described water inlet is arranged on the bottom of described shell, is used for connecting water delivery side of pump；Described fluid passage is arranged on enclosure, is used for connecting described outlet and water inlet；Described check-valves is arranged on water inlet, and described check-valves block is arranged on the top of described check-valves, for limiting the shift position of check-valves；
Described control circuit plate is arranged on the outside of described fluid passage mutually isolated, is used for connecting mains supply, and connects pump motor, controls the power on/off of pump motor.
Described Pressure Switch Sensor, is arranged on described fluid passage, and for detecting the pressure signal of water pump, and output pressure on-off model is to described control circuit plate.
Described flow switch senser, is arranged on the junction of described outlet and described fluid passage, and for detecting the water-flow signal of water pump, and output pressure on-off model is to described control circuit plate.
The invention has the beneficial effects as follows:
The present invention passes through Pressure Switch Sensor and flow switch senser, pressure signal and water-flow signal to water pump detect, the start and stop of water pump are controlled by controller by pressure signal and the water-flow signal received, relatively stable pressure of supply water is provided for water system, the most effectively reduce the stop frequency of water pump, extend the service life of water pump.
The present invention is also by can't detect pressure signal and water-flow signal for a long time simultaneously, and controller controls the excessive low water level protection function that water pump shuts down, and effectively prevent water pump the most unloaded.
By under low temperature environment, the low-temperature protection function of start by set date pump operation, prevent water pump pump chamber at low ambient temperatures by bursting by freezing.
Judge whether water-aspirator pressure surge tank lacks or damage testing function by the disconnection times of pressure signal in continuous time section, may remind the user that installation or change pressure surge tank, provide preferably protection for water pump, and reduce the stop frequency of water pump further.
What the present invention provided simultaneously is a kind of based on pressure, the control device of the water pump control method of flow switch senser, it is possible to achieve the effective control to water pump, it is convenient to provide the user, and improves automaticity.
Accompanying drawing explanation
Fig. 1 is the structural representation of a kind of water pump of the embodiment of the present invention 1；
Fig. 2 is the communication module connection diagram of a kind of water pump of the embodiment of the present invention 1；
Fig. 3 is a kind of based on pressure, the control flow chart of the water pump control method of flow switch senser of the embodiment of the present invention 1；
Fig. 4 is that the another kind of the embodiment of the present invention 1 is based on pressure, the control flow chart of the water pump control method of flow switch senser；
Fig. 5 is the structural representation of a kind of water pump of the embodiment of the present invention 2；
Fig. 6 is the communication module connection diagram of a kind of water pump of the embodiment of the present invention 2；
Fig. 7 is a kind of based on pressure, the schematic flow sheet of the water pump control method of flow switch senser of the embodiment of the present invention 2；
Fig. 8 is a kind of structural representation controlling device of the embodiment of the present invention 3；
Fig. 9 is a kind of communication module connection diagram controlling device of the embodiment of the present invention 3.
Detailed description of the invention
Embodiment
1
:
Including that the pump housing 9, water inlet 7, outlet 6, check-valves 5 and pressure surge tank 4, shown check-valves 5 are arranged on outlet 6 in conjunction with a kind of water pump shown in Fig. 1 and Fig. 2, described pressure surge tank 4 is arranged on the downstream of described check-valves 5；Also include,
Controller 1, for connecting mains supply, controlling the start and stop of water pump, reception pressure signal and water-flow signal；
Pressure Switch Sensor 2, is arranged on the downstream of described check-valves 5, and for detecting the pressure signal of water pump, and output switch amount signal is to controller 1；
Flow switch senser 3, is arranged on water inlet 7, and for detecting the water-flow signal of water pump, and output switch amount signal is to controller 1；
Above-mentioned water pump, based on pressure, the water pump control method of flow switch senser concrete control flow as shown in Figure 3.
Its control principle is: when controller 1 receives water-flow signal, controls water pump continuous running, with ensure user when using water, water pump continuous running is also supplied water to user.
When water-flow signal disconnects, switch to by pressure signal control；If controller 1 receives pressure signal, control water pump and stop or time delay stopping, if pressure signal disconnects, then control starting mode of pump operating；Flow transducer 3 can be made up and cannot detect that water pump primary flow signal causes water supply to stop, using pressure signal control the start and stop of water pump and continue as user's water supply further.
For reducing further the stop frequency of water pump, it is preferable that when water-flow signal disconnects, if controller receives pressure signal, control water pump and remain in operation and stop after the X second；Described X is 1-600；It is highly preferred that described X is 3-60.
Further, above-mentioned water pump control method based on pressure, flow switch senser also includes, in M minute, pressure signal repeatedly disconnects, and disconnection times exceedes n times, then output pressure surge tank disappearance or breakage signal；Described M is 0.1-30, and described N is more than 5.
Preferably, as shown in Figure 4, above-mentioned water pump control method based on pressure, flow switch senser also includes, when water-flow signal disconnects, and water pump continuous running was more than Q minute, and controller does not receives pressure signal, then controls water pump and stops；Described Q is 3-15；Further, when receiving water-flow signal or after re-powering, start pump operation；This step is possible to prevent water pump because of the long-time no-load running of hydropenia, effectively protects water pump saves energy.
Embodiment
2
Shown in Fig. 5 and Fig. 6, a kind of water pump of above-described embodiment 1, also include temperature sensor 8, be arranged on the pump housing 9, for detecting the temperature of pump chamber, and output temperature signal is to controller；When detecting that temperature is less than T degree Celsius, water pump dwell time was more than Y minute, then controller controls the starting mode of pump operating Z second；Described Y is 1-30, and described T is 0-5, and described Z is 1-30；Its principle is by the water of low temperature is timed stirring, prevents the water freezing in the pump housing, and then protection pump chamber is complete；Described water pump, based on pressure, the water pump control method of flow switch senser concrete control flow as shown in Figure 7.
Preferably, described Y is 2-5.
Embodiment
3
Control device in conjunction with a kind of shown in Fig. 8 and Fig. 9, for use embodiment 1 or implement described in 2 based on pressure, the control device of the water pump control method of flow switch senser.
Described control device includes shell 10, outlet 11, water inlet 16, fluid passage 17, check-valves 14, check-valves block 18, control circuit plate 15, Pressure Switch Sensor 12 and flow switch senser 13；
Described outlet 11 is arranged on the top of institute's shell 10, for connecting the water supply line of user side；Described water inlet 16 is arranged on the bottom of described shell 10, is used for connecting water delivery side of pump；It is internal that described fluid passage 17 is arranged on shell 10, is used for connecting described outlet 11 and water inlet 16；Described control circuit plate 15 is arranged on the outside of described fluid passage 17 mutually isolated；Described check-valves 14 is arranged at water inlet 16, and described check-valves block 18 is arranged on above described check-valves 14, for limiting the shift position of check-valves 14.
Described control circuit plate 15, is used for connecting mains supply, and connects pump motor, control the power on/off of pump motor.
Described Pressure Switch Sensor 12, is arranged on described fluid passage 17, and for detecting the pressure signal of water pump, and output pressure on-off model is to described control circuit plate 15.
Described flow switch senser 13, is arranged on the junction of described outlet 11 and described fluid passage 17, and for detecting the water-flow signal of water pump, and output pressure on-off model is to described control circuit plate 15.
Claims (9)
1. one kind based on pressure, the water pump control method of flow switch senser, it is characterised in that: include,
Controller, for controlling the start and stop of water pump, receiving pressure signal and water-flow signal；
Pressure Switch Sensor, for detecting the pressure signal of water pump, and output switch amount signal is to controller；
Flow switch senser, for detecting the water-flow signal of water pump, and output switch amount signal is to controller；
When controller receives water-flow signal, control water pump continuous running；
When water-flow signal disconnects, if controller receives pressure signal, control water pump and stop or time delay stopping, if pressure signal disconnects, then control starting mode of pump operating.
It is the most according to claim 1 based on pressure, the water pump control method of flow switch senser, it is characterised in that: when water-flow signal disconnects, if controller receives pressure signal, control water pump and remain in operation and stop after the X second；Described X is 1-600.
It is the most according to claim 2 based on pressure, the water pump control method of flow switch senser, it is characterised in that: described X is 3-60.
It is the most according to claim 1 based on pressure, the water pump control method of flow switch senser, it is characterised in that: including temperature sensor, for detecting the temperature of environment or pump chamber, and output temperature signal is to controller；When detecting that temperature is less than T degree Celsius, water pump dwell time was more than Y minute, then controller controls the starting mode of pump operating Z second；Described Y is 1-30, and described T is 0-5, and described Z is 1-30.
It is the most according to claim 1 based on pressure, the water pump control method of flow switch senser, it is characterised in that: in M minute, pressure signal repeatedly disconnects, and disconnection times exceedes n times, then output pressure surge tank disappearance or breakage signal；Described M is 0.1-30, and described N is more than 5.
It is the most according to claim 1 based on pressure, the water pump control method of flow switch senser, it is characterised in that: when water-flow signal disconnects, and water pump continuous running was more than Q minute, and controller does not receives pressure signal, then control water pump and stop；Described Q is 3-15.
7. one kind controls device, it is characterised in that: use described in any one of claim 1-6 based on pressure, the control device of the water pump control method of flow switch senser.
Control device the most according to claim 7, it is characterised in that: include,
Control circuit plate, is used for connecting mains supply, and connects pump motor, control the power on/off of pump motor；
Pressure Switch Sensor, for detecting the pressure signal of water pump, and output pressure on-off model is to described control circuit plate；
Flow switch senser, for detecting the water-flow signal of water pump, and output pressure on-off model is to described control circuit plate.
Control device the most according to claim 7, it is characterised in that: described control device includes shell, outlet, water inlet, fluid passage, check-valves, check-valves block, control circuit plate, Pressure Switch Sensor and flow switch senser；
Described outlet is arranged on the top of institute's shell, for connecting the water supply line of user side；Described water inlet is arranged on the bottom of described shell, is used for connecting water delivery side of pump；Described fluid passage is arranged on enclosure, is used for connecting described outlet and water inlet；Described check-valves is arranged on water inlet, and described check-valves block is arranged on above described check-valves, for limiting the shift position of check-valves；
Described control circuit plate is arranged on the outside of described fluid passage mutually isolated, is used for connecting mains supply, and connects pump motor, controls the power on/off of pump motor；
Described Pressure Switch Sensor, is arranged on described fluid passage, and for detecting the pressure signal of water pump, and output pressure on-off model is to described control circuit plate；
Described flow switch senser, is arranged on the junction of described outlet and described fluid passage, and for detecting the water-flow signal of water pump, and output pressure on-off model is to described control circuit plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610496374.6A CN105909506A (en) | 2016-06-30 | 2016-06-30 | Water pump control method based on pressure and flow switch sensors and control device |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201610496374.6A CN105909506A (en) | 2016-06-30 | 2016-06-30 | Water pump control method based on pressure and flow switch sensors and control device |
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| CN105909506A true CN105909506A (en) | 2016-08-31 |
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| CN201610496374.6A Pending CN105909506A (en) | 2016-06-30 | 2016-06-30 | Water pump control method based on pressure and flow switch sensors and control device |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106401934A (en) * | 2016-12-16 | 2017-02-15 | 浙江美泰泵业科技有限公司 | Intelligent control structure of water pump |
| CN107074523A (en) * | 2016-11-29 | 2017-08-18 | 深圳市大疆创新科技有限公司 | Agriculture unmanned plane liquid-adding device |
| CN107061300A (en) * | 2017-04-25 | 2017-08-18 | 浙江新控泵业有限公司 | Intelligent low noise self-priming combination pump |
| CN107802125A (en) * | 2017-11-29 | 2018-03-16 | 泉州中亚玻璃钢有限公司 | A kind of modified kitchen products try water exhibiting device |
| CN110617204A (en) * | 2019-10-21 | 2019-12-27 | 杭州卓翁科技有限公司 | Intelligent control method for water pump |
| CN110985365A (en) * | 2019-12-20 | 2020-04-10 | 重庆摩尔水处理设备有限公司 | Method and system for improving low-pressure frequent jumping of high-pressure pump in water treatment system |
| CN111322232A (en) * | 2020-01-13 | 2020-06-23 | 爱科赛智能科技(浙江)有限公司 | A self-learning intelligent water pump control method |
| CN113374911A (en) * | 2021-05-20 | 2021-09-10 | 北京小汤山医院(北京小汤山疗养院、北京市小汤山康复医院、北京国际药膳博物馆北京市健康管理促进中心) | Hand and foot water pressure sensation stimulator |
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| CN110985365A (en) * | 2019-12-20 | 2020-04-10 | 重庆摩尔水处理设备有限公司 | Method and system for improving low-pressure frequent jumping of high-pressure pump in water treatment system |
| CN110985365B (en) * | 2019-12-20 | 2021-04-02 | 重庆摩尔水处理设备有限公司 | Method and system for improving low-pressure frequent jumping of high-pressure pump in water treatment system |
| CN111322232A (en) * | 2020-01-13 | 2020-06-23 | 爱科赛智能科技(浙江)有限公司 | A self-learning intelligent water pump control method |
| CN111322232B (en) * | 2020-01-13 | 2022-05-20 | 爱科赛智能科技(浙江)有限公司 | A self-learning intelligent water pump control method |
| CN113374911A (en) * | 2021-05-20 | 2021-09-10 | 北京小汤山医院(北京小汤山疗养院、北京市小汤山康复医院、北京国际药膳博物馆北京市健康管理促进中心) | Hand and foot water pressure sensation stimulator |
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