CN103643718A - Automatic dormancy control system of one-frequency one-pump constant-pressure secondary water supply device - Google Patents
Automatic dormancy control system of one-frequency one-pump constant-pressure secondary water supply device Download PDFInfo
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- CN103643718A CN103643718A CN201310722387.7A CN201310722387A CN103643718A CN 103643718 A CN103643718 A CN 103643718A CN 201310722387 A CN201310722387 A CN 201310722387A CN 103643718 A CN103643718 A CN 103643718A
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Abstract
The invention provides an automatic dormancy control system of a one-frequency one-pump constant-pressure secondary water supply device, and aims to solve the problems in the prior art that in the dormancy control technology of the one-frequency one-pump constant-pressure secondary water supply device, water supply pressure of the municipal water supply network is not considered and the power consumption is increased. According to the invention, a water inlet pressure sensor is arranged at the connection part of the municipal water supply network and the constant-pressure secondary water supply device, a detection value is delivered to a control unit, and the control unit automatically regulates the dormancy frequency value of the constant-pressure secondary water supply device; when the water pressure value of the municipal water supply network is lowered, the dormancy frequency value of the constant-pressure secondary water supply device is increased, and when the water pressure value of the municipal water supply network is increased, the dormancy frequency value of the constant-pressure secondary water supply device is lowered. The system has the beneficial technical effects that when the pressure of the municipal water supply network changes, the dormancy frequency value is regulated automatically to enable a water pump to start or stop reasonably to lower power consumption.
Description
Invention field
The present invention relates to city constant-pressure secondary water supply device sleeps control technology, specially refer to an a kind of frequency one pump constant-pressure secondary water supply equipment auto sleep control system.
Background technology
For guaranteeing that city high rise building water supply has the pressure that meets instructions for use, adopts secondary water supply system, conventionally to guarantee that the user of different floors has roughly the same tap water pressure.So-called secondary water-supply refers to that municipal network water supply is connected to after high building, adopts secondary water-supply reservoir is set on roof, by water pump, municipal water supply is risen to roof reservoir, then by pipe network, is connected to the user of different floors; Or adopt after water pump supercharging, then by pipe network, be connected to the user of different floors.Along with developing rapidly of converter technique, utilize converter technique to realize a kind of trend that constant pressure water supply has become to serve a town with water.By gathering the pressure signal of water side, adjust the output frequency of frequency converter, thereby control the running speed of water pump.Conventionally, adopt the constant pressure water supply equipment of converter technique all can set the setting value of a water side pressure.When water side pressure sets value when low, Frequency Converter Control water pump, with rotating speed operation faster, makes water side pressure bring up to setting value; When water side pressure sets value when high, Frequency Converter Control water pump, with slower rotating speed operation, makes water side pressure decreased to setting value, thus, guarantees water side constant pressure.In addition; adopt the constant pressure water supply equipment of converter technique also can set a sleep frequency value; when unmanned water or water supply volume are when very little; lower FREQUENCY CONTROL water pump of frequency converter output is with rotating speed operation very slowly; if the frequency of frequency converter output is less than the sleep frequency value that equipment is set, equipment is controlled frequency converter after will time delay certain hour and is stopped output, and water pump is out of service; equipment enters dormancy power save mode, with the object that reaches protection equipment and save electric energy.
Compare with constant-pressure secondary water supply equipment with charging pump of a Frequency Converter Control (i.e. " many constant-pressure secondary water supplies of control equipment "), the constant-pressure secondary water supply equipment of a water pump of a Frequency Converter Control (i.e. " a frequency one pump constant-pressure secondary water supply equipment ") has the plurality of advantages such as pressure of supply water is stable, using electricity wisely, can effectively improve the reliability of secondary water-supply equipment, guarantee better user's water safety.But prior art one frequency one pump constant-pressure secondary water supply equipment is not considered the pressure of supply water of municipal network water supply.When in water use peak, the pressure of municipal network water supply can decline to some extent, now water pump to keep the needed rotating speed of certain pressure can be high (being that the frequency ratio of frequency converter output is wanted height when normal), Frequency Converter Control water pump is ceaselessly operation always, the frequency of frequency converter output is also reducing slowly, only, when the frequency of frequency converter output is less than the sleep frequency value of equipment setting, equipment will enter resting state after time delay certain hour, has increased thus power consumption.When in water ebb, the pressure of municipal network water supply can rise to some extent, now water pump to keep certain needed rotating speed of pressure can be lower (line frequency that is frequency converter output is low when normal), the frequency of frequency converter output will be less than the sleep frequency value of equipment setting, and equipment will enter resting state.But now water side pressure does not reach stable state completely, causes water pump can restart again.Water pump starts or stops frequently, has increased equally power consumption.Obviously, a prior art one frequently pump constant-pressure secondary water supply device sleeps control technology exists the pressure of supply water of not considering municipal network water supply, has increased the problems such as power consumption.
Summary of the invention
For overcoming prior art one pressure of supply water of not considering municipal network water supply that a pump constant-pressure secondary water supply device sleeps control technology exists frequently, increase the problems such as power consumption, the present invention proposes an a kind of frequency one pump constant-pressure secondary water supply equipment auto sleep control system.The present invention one is a pump constant-pressure secondary water supply equipment auto sleep control system frequently, comprise and control interface, control module, frequency converter, water pump, enter water-level gauge, discharge pressure sensor and water outlet electro connecting pressure gauge, it is characterized in that, junction at municipal network water supply and constant-pressure secondary water supply equipment arranges intake pressure sensor, and the water pressure detected value of municipal network water supply is passed to control module, control module is adjusted the sleep frequency value of constant-pressure secondary water supply equipment automatically according to the size of municipal network water supply water pressure value, when municipal network water supply water pressure value water pressure value reduces, increase the sleep frequency value of constant-pressure secondary water supply equipment, when municipal network water supply water pressure value water pressure value increases, reduce the sleep frequency value of constant-pressure secondary water supply equipment.
The present invention one frequently useful technique effect of a pump constant-pressure secondary water supply equipment auto sleep control system is when the pressure of city planting ductwork changes, and automatically adjusts and sets sleep frequency value, and water pump can reasonably be started or stoped, and has reduced power consumption.
Accompanying drawing explanation
Accompanying drawing 1 is the present invention one structural representation of a pump constant-pressure secondary water supply equipment auto sleep control system frequently.
Below in conjunction with drawings and the specific embodiments, the present invention's one frequency one pump constant-pressure secondary water supply equipment auto sleep control system is further described.
The specific embodiment
The present invention one is a pump constant-pressure secondary water supply equipment auto sleep control system frequently, and in figure, 1 is intake pressure sensor, and 2 is water-level gauge, and 3a to 3c is water pump, and 4a to 4c is frequency converter, and 5 is discharge pressure sensor, and 6 is water outlet electro connecting pressure gauge.As seen from the figure, the present invention one is a pump constant-pressure secondary water supply equipment auto sleep control system frequently, comprise and control interface, control module, frequency converter (4a to 4c), water pump (3a to 3c), water-level gauge 2, discharge pressure sensor 5 and water outlet electro connecting pressure gauge 6, it is characterized in that, junction at municipal network water supply and constant-pressure secondary water supply equipment arranges intake pressure sensor 1, and the water pressure detected value of municipal network water supply is passed to control module, control module is adjusted the sleep frequency value of constant-pressure secondary water supply equipment automatically according to the size of municipal network water supply water pressure value, when municipal network water supply water pressure value water pressure value reduces, increase the sleep frequency value of constant-pressure secondary water supply equipment, when municipal network water supply water pressure value water pressure value increases, reduce the sleep frequency value of constant-pressure secondary water supply equipment.Frequently a pump constant-pressure secondary water supply equipment is identical with prior art one, frequently a pump constant-pressure secondary water supply equipment auto sleep control system is when the frequency of frequency converter output is less than device sleeps frequency values in the present invention one, and equipment will enter resting state after time delay certain hour.Difference is, the device sleeps frequency values of the present invention's one frequency one pump constant-pressure secondary water supply equipment auto sleep control system is directly related with the pressure of supply water of municipal network water supply, when municipal network water supply water pressure value water pressure value reduces, increase the sleep frequency value of constant-pressure secondary water supply equipment, when municipal network water supply water pressure value water pressure value increases, reduce the sleep frequency value of constant-pressure secondary water supply equipment.When municipal network water supply water pressure value water pressure value reduces, for guaranteeing water side pressure, water pump will be with higher rotating speed operation, it is the higher frequency of frequency converter output, now, control module is adjusted to high value by the sleep frequency value of constant-pressure secondary water supply equipment, frequency converter output frequency will be faster lower than the sleep frequency value of equipment, be that equipment will enter resting state in the short period of time, reduced power consumption.When municipal network water supply water pressure value water pressure value increases, for guaranteeing water side pressure, water pump will be with slower rotating speed operation, it is the lower frequency of frequency converter output, now, control module is adjusted to lower value by the sleep frequency value of constant-pressure secondary water supply equipment, frequency converter output frequency will be slower the sleep frequency value lower than equipment, be that equipment can not enter resting state in the short period of time, avoided because water side pressure does not reach stable state completely, cause water pump can restart again, avoided water pump to start or stop frequently, reduced power consumption.
Obviously, the present invention one frequently useful technique effect of a pump constant-pressure secondary water supply equipment auto sleep control system is when the pressure of city planting ductwork changes, automatically adjust and set sleep frequency value, water pump can reasonably be started or stoped, reduced power consumption.
Claims (1)
1. a pump constant-pressure secondary water supply equipment auto sleep control system frequently, comprise and control interface, control module, frequency converter, water pump, enter water-level gauge, discharge pressure sensor and water outlet electro connecting pressure gauge, it is characterized in that, junction at municipal network water supply and constant-pressure secondary water supply equipment arranges intake pressure sensor, and the water pressure detected value of municipal network water supply is passed to control module, control module is adjusted the sleep frequency value of constant-pressure secondary water supply equipment automatically according to the size of municipal network water supply water pressure value, when municipal network water supply water pressure value water pressure value reduces, increase the sleep frequency value of constant-pressure secondary water supply equipment, when municipal network water supply water pressure value water pressure value increases, reduce the sleep frequency value of constant-pressure secondary water supply equipment.
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Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN106013334A (en) * | 2016-07-04 | 2016-10-12 | 重庆成峰二次供水设备有限责任公司 | Smart stay water supply control system |
CN113187710A (en) * | 2021-02-04 | 2021-07-30 | 优众新能源(深圳)股份有限公司 | Water supply frequency converter dormancy detection method and frequency converter |
CN114319516A (en) * | 2021-11-24 | 2022-04-12 | 江苏迈科道环境科技有限公司 | Digital secondary water supply equipment of automatic dormancy control system |
CN114933275A (en) * | 2022-04-28 | 2022-08-23 | 烟台杰瑞石油装备技术有限公司 | Continuous oiling control system and method |
CN116257095A (en) * | 2023-05-12 | 2023-06-13 | 济宁金水科技有限公司 | Constant pressure control algorithm with self-learning capability special for secondary water supply |
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Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
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CN114319516A (en) * | 2021-11-24 | 2022-04-12 | 江苏迈科道环境科技有限公司 | Digital secondary water supply equipment of automatic dormancy control system |
CN114933275A (en) * | 2022-04-28 | 2022-08-23 | 烟台杰瑞石油装备技术有限公司 | Continuous oiling control system and method |
CN116257095A (en) * | 2023-05-12 | 2023-06-13 | 济宁金水科技有限公司 | Constant pressure control algorithm with self-learning capability special for secondary water supply |
CN116257095B (en) * | 2023-05-12 | 2023-08-08 | 济宁金水科技有限公司 | Constant pressure control algorithm with self-learning capability special for secondary water supply |
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Address after: 402760 No. 14 Xingwangzheng Street, Bishan County, Chongqing, with No. 1 Patentee after: Chongqing Chengfeng Water Engineering Co., Ltd. Address before: 402760 No. 14 Xingwangzheng Street, Bishan County, Chongqing, with No. 1 Patentee before: Chongqing Zenfirm Secondary Feedwater Equipment Co., Ltd. |
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