CN104712561A - Automatic immersible pump water shortage protection control device and application method - Google Patents
Automatic immersible pump water shortage protection control device and application method Download PDFInfo
- Publication number
- CN104712561A CN104712561A CN201510032462.6A CN201510032462A CN104712561A CN 104712561 A CN104712561 A CN 104712561A CN 201510032462 A CN201510032462 A CN 201510032462A CN 104712561 A CN104712561 A CN 104712561A
- Authority
- CN
- China
- Prior art keywords
- submersible pump
- water
- immersible pump
- drive motor
- flow
- 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.)
- Granted
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D15/00—Control, e.g. regulation, of pumps, pumping installations or systems
- F04D15/0077—Safety measures
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D15/00—Control, e.g. regulation, of pumps, pumping installations or systems
- F04D15/02—Stopping of pumps, or operating valves, on occurrence of unwanted conditions
- F04D15/0209—Stopping of pumps, or operating valves, on occurrence of unwanted conditions responsive to a condition of the working fluid
- F04D15/0218—Stopping of pumps, or operating valves, on occurrence of unwanted conditions responsive to a condition of the working fluid the condition being a liquid level or a lack of liquid supply
- F04D15/0227—Lack of liquid level being detected using a flow transducer
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D15/00—Control, e.g. regulation, of pumps, pumping installations or systems
- F04D15/02—Stopping of pumps, or operating valves, on occurrence of unwanted conditions
- F04D15/0281—Stopping of pumps, or operating valves, on occurrence of unwanted conditions responsive to a condition not otherwise provided for
Abstract
The invention relates to an automatic immersible pump water shortage protection control method. According to the automatic immersible pump water shortage protection control method, three kinds of immersible pump running parameter detection including water source liquid level height detection, immersible pump water inlet water flow detection and immersible pump drive motor running temperature detection are conducted, detection data are transmitted in a long-distance mode through carrier communication, and shutdown is conducted in time for the immersible pump water storage state. An automatic immersible pump water shortage protection control device comprises a controller, a water level controller, a drainage pipe, a temperature sensor and a flow sensor. According to the method and device, running stability is good, the detection data are good in independence, interference among the detection data is avoided, the accuracy and controllability of immersible pump water shortage protection control are improved, the running state parameters of an immersible pump can be transmitted in a long distance, running management and control and malfunction prejudgment for the immersible pump are facilitated, shutdown can be conducted in time when the immersible pump runs in a water shortage state, and the running safety of the immersible pump is ensured.
Description
Technical field
The present invention relates to a kind of submersible pump lack of water automatic protecting control device and using method, belong to submersible pump technical field.
Background technique
Submersible pump is used to the water source of water head site be carried out the visual plant to compared with remote transmission or higher position transmission, at mining of groundwater, have in numerous life such as mine operation and fountain sight and production field and apply very widely, due to submersible pump run time, need to be immersed in water, therefore its drive motor is all in complete sealing state, cannot be dispelled the heat by air when causing it to run, and rely on current to dispel the heat completely, if therefore there is lack of water phenomenon when submersible pump works, then burn-down of electric motor will be caused in the short time, thus cause submersible pump fault, simultaneously because submersible pump working position is in water, so maintenances etc. are very inconvenient, and in order to address this problem, shut down in time when current conventional method is and increases water level switch to control submersible pump lack of water on submersible pump, but in use find, single dependence water level switch on the one hand can not be fully effective lack of water protection is carried out to submersible pump, also cannot the working state that submersible pump runs be monitored simultaneously, and in submersible pump operation, except water level declines, motor fault, the phenomenons such as submersible pump water intake blocking also can cause submersible pump generation motor burning fault, therefore need to develop a kind of new submersible pump lack of water management method and equipment, to improve submersible pump operation management ability, and necessary anticipation can be made to submersible pump fault.
Summary of the invention
For the deficiency that prior art exists; the invention provides good operation stability of the present invention; detect independence between data good; avoid to detect between data and mutually disturb; improve accuracy and the controllability of the control of submersible pump excessive low water level protection, separately the running state parameter of submersible pump can be carried out remote transmission, be convenient to run management and control and fault anticipation to submersible pump; also initiatively can shut down in time when submersible pump lack of water is run simultaneously, ensure that submersible pump safety in operation.
To achieve these goals, the present invention realizes by the following technical solutions:
The controlling method that a kind of submersible pump lack of water is protected automatically; the controlling method that submersible pump lack of water is protected automatically is for detecting three class submersible pump operational parameter detection by the detection of water source liquid level, the detection of submersible pump water inlet water flow and submersible pump drive motor running temperature; and by carrier communication, detection data are carried out remote transmission, in time process is shut down to submersible pump exsiccosis simultaneously:
When water source liquid level sensed water level height be greater than submersible pump minimum operation water level, submersible pump water inlet water flow belong to submersible pump normally work water suction range of flow and submersible pump drive motor running temperature not maximum higher than drive motor running temperature time, then illustrate that submersible pump running state is normal, and detection data are transmitted by carrier communication;
When detect water source liquid level sensed water level height be less than submersible pump minimum operation water level, submersible pump water inlet water flow lower than submersible pump normally work water suction range of flow and submersible pump drive motor running temperature and the maximum running temperature gap of drive motor be less than three parameters such as 3-10 DEG C occur simultaneously time, then illustrate that submersible pump runs be in exsiccosis or be about to reach exsiccosis, and detection data are transmitted by carrier communication, control the work of submersible pump drive motor emergent stopping simultaneously.
Further, when detect separately submersible pump water inlet water flow lower than submersible pump normally work water suction range of flow time, then illustrate that submersible pump water intake blocking water inlet is not smooth.
Further, when submersible pump drive motor running temperature being detected separately and the maximum running temperature gap of drive motor is less than 3-10 DEG C, then the inner field coil fault of submersible pump drive motor is described.
A kind of submersible pump lack of water automatic protecting control device, comprise controller, water level controller, drainage tube, temperature transducer and flow transducer, wherein one end of drainage tube is connected with submersible pump water intake, flow transducer is separately embedded in drainage tube, temperature transducer is separately connected with motor for submerged pump, controller respectively with water level controller, temperature transducer and flow transducer electrical connection, controller comprises seal casinghousing and control circuit, seal casinghousing outer surface is separately established and is connected buckle and holding down bolt, and be arranged on submersible pump outer surface by connection buckle and holding down bolt, control circuit comprises data processing circuit, drive circuit, carrier communication module and submersible pump emergency stop switch relay, wherein data processing circuit respectively with temperature transducer, flow transducer, drive circuit and carrier communication module electrical connection, another and the water level controller of drive circuit and submersible pump emergency stop switch relay are electrically connected, submersible pump emergency stop switch relay is separately connected with submersible pump control circuit.
Further, described water level controller is that any one or two kinds of ball float liquid switch and level sensor use jointly.
Further, filter screen is all established in described drainage tube two ends.
Good operation stability of the present invention; detect independence between data good; avoid to detect between data and mutually disturb; improve accuracy and the controllability of the control of submersible pump excessive low water level protection; separately the running state parameter of submersible pump can be carried out remote transmission; be convenient to run management and control and fault anticipation to submersible pump, also initiatively can shut down in time when submersible pump lack of water is run simultaneously, ensure that submersible pump safety in operation.
Accompanying drawing explanation
The present invention is described in detail below in conjunction with the drawings and specific embodiments;
Fig. 1 is structural representation of the present invention;
Fig. 2 is electrical principle block diagram of the present invention.
Embodiment
The technological means realized for making the present invention, creation characteristic, reaching object and effect is easy to understand, below in conjunction with embodiment, setting forth the present invention further.
A kind of submersible pump lack of water automatic protecting control device as described in Figure 1, comprise controller 1, water level controller 2, drainage tube 3, temperature transducer 4 and flow transducer 5, wherein one end of drainage tube 3 is connected with submersible pump 6 water intake, flow transducer 5 is separately embedded in drainage tube 3, temperature transducer 4 is separately connected with submersible pump 6 motor, controller 1 respectively with water level controller 2, temperature transducer 4 and flow transducer 5 are electrically connected, controller 1 comprises seal casinghousing 11 and control circuit, seal casinghousing 11 outer surface is separately established and is connected buckle 12 and holding down bolt 13, and be arranged on submersible pump 6 outer surface by connection buckle 12 and holding down bolt 13.
Control circuit as described in Figure 2 comprises data processing circuit, drive circuit, carrier communication module and submersible pump emergency stop switch relay, wherein data processing circuit is electrically connected with temperature transducer 4, flow transducer 5, drive circuit and carrier communication module respectively, another and the water level controller 2 of drive circuit and submersible pump emergency stop switch relay are electrically connected, and submersible pump emergency stop switch relay is separately connected with submersible pump 6 control circuit.
In the present embodiment, described water level controller 2 is that any one or two kinds of ball float liquid switch and level sensor use jointly.
In the present embodiment, filter screen 7 is all established at described drainage tube 3 two ends.
A kind of submersible pump lack of water automatic protecting control device using method:
For the submersible pump lack of water automatic protecting control device of being stated by Fig. 1 and Fig. 2; water level controller is utilized to detect three class submersible pump operational parameter detection to the detection of submersible pump water inlet water flow and temperature transducer to submersible pump drive motor running temperature to the detection of water source liquid level, flow transducer; and utilize the power cable of submersible pump that detection data are carried out remote transmission by carrier communication module, and when shutting down process in time to submersible pump exsiccosis:
When water source liquid level sensed water level height be greater than submersible pump minimum operation water level, submersible pump water inlet water flow belong to submersible pump normally work water suction range of flow and submersible pump drive motor running temperature not maximum higher than drive motor running temperature time, then illustrate that submersible pump running state is normal, and detection data are transmitted by carrier communication;
When detect water source liquid level sensed water level height be less than submersible pump minimum operation water level, submersible pump water inlet water flow lower than submersible pump normally work water suction range of flow and submersible pump drive motor running temperature and the maximum running temperature gap of drive motor be less than three parameters such as 3-10 DEG C occur simultaneously time, then illustrate that submersible pump runs be in exsiccosis or be about to reach exsiccosis, and detection data are transmitted by carrier communication, control the work of submersible pump drive motor emergent stopping simultaneously.
In the present embodiment, when detecting that separately water source liquid level sensed water level height is less than submersible pump minimum operation water level, then illustrate that submersible pump is about to reach and enter lack of water running state.
In the present embodiment, when detect separately submersible pump water inlet water flow lower than submersible pump normally work water suction range of flow time, then illustrate that submersible pump water intake blocking water inlet is not smooth.
In the present embodiment, when submersible pump drive motor running temperature being detected separately and the maximum running temperature gap of drive motor is less than 3-10 DEG C, then the inner field coil fault of submersible pump drive motor is described.
In the present embodiment, when to detect simultaneously submersible pump water inlet water flow lower than submersible pump normally work water suction range of flow and submersible pump drive motor running temperature and the maximum running temperature gap of drive motor be less than 3-10 DEG C of two groups of data time, then illustrate that running load occurs motor for submerged pump excessive, submersible pump rotor rotational resistance is excessive.
Good operation stability of the present invention; detect independence between data good; avoid to detect between data and mutually disturb; improve accuracy and the controllability of the control of submersible pump excessive low water level protection; separately the running state parameter of submersible pump can be carried out remote transmission; be convenient to run management and control and fault anticipation to submersible pump, also initiatively can shut down in time when submersible pump lack of water is run simultaneously, ensure that submersible pump safety in operation.
More than show and describe basic principle of the present invention and major character and advantage of the present invention.The technician of the industry should understand; the present invention is not restricted to the described embodiments; what describe in above-described embodiment and specification just illustrates principle of the present invention; without departing from the spirit and scope of the present invention; the present invention also has various changes and modifications, and these changes and improvements all fall in the claimed scope of the invention.Application claims protection domain is defined by appending claims and equivalent thereof.
Claims (6)
1. the controlling method automatically protected of a submersible pump lack of water; it is characterized in that; the controlling method that described submersible pump lack of water is protected automatically is for detecting three class submersible pump operational parameter detection by the detection of water source liquid level, the detection of submersible pump water inlet water flow and submersible pump drive motor running temperature; and by carrier communication, detection data are carried out remote transmission, in time process is shut down to submersible pump exsiccosis simultaneously:
When water source liquid level sensed water level height be greater than submersible pump minimum operation water level, submersible pump water inlet water flow belong to submersible pump normally work water suction range of flow and submersible pump drive motor running temperature not maximum higher than drive motor running temperature time, then illustrate that submersible pump running state is normal, and detection data are transmitted by carrier communication;
When detect water source liquid level sensed water level height be less than submersible pump minimum operation water level, submersible pump water inlet water flow lower than submersible pump normally work water suction range of flow and submersible pump drive motor running temperature and the maximum running temperature gap of drive motor be less than three parameters such as 3-10 DEG C occur simultaneously time, then illustrate that submersible pump runs be in exsiccosis or be about to reach exsiccosis, and detection data are transmitted by carrier communication, control the work of submersible pump drive motor emergent stopping simultaneously.
2. the controlling method automatically protected of a kind of submersible pump lack of water according to claim 1; it is characterized in that; when detect separately submersible pump water inlet water flow lower than submersible pump normally work water suction range of flow time, then illustrate that submersible pump water intake blocking water inlet is not smooth.
3. the controlling method automatically protected of a kind of submersible pump lack of water according to claim 1; it is characterized in that; when submersible pump drive motor running temperature being detected separately and the maximum running temperature gap of drive motor is less than 3-10 DEG C, then the inner field coil fault of submersible pump drive motor is described.
4. a submersible pump lack of water automatic protecting control device, it is characterized in that: described submersible pump lack of water automatic protecting control device comprises controller, water level controller, drainage tube, temperature transducer and flow transducer, one end of wherein said drainage tube is connected with submersible pump water intake, described flow transducer is separately embedded in drainage tube, described temperature transducer is separately connected with motor for submerged pump, described controller respectively with water level controller, temperature transducer and flow transducer electrical connection, described controller comprises seal casinghousing and control circuit, described seal casinghousing outer surface is separately established and is connected buckle and holding down bolt, and be arranged on submersible pump outer surface by connection buckle and holding down bolt, described control circuit comprises data processing circuit, drive circuit, carrier communication module and submersible pump emergency stop switch relay, wherein said data processing circuit respectively with temperature transducer, flow transducer, drive circuit and carrier communication module electrical connection, another and the water level controller of described drive circuit and submersible pump emergency stop switch relay are electrically connected, described submersible pump emergency stop switch relay is separately connected with submersible pump control circuit.
5. a kind of submersible pump lack of water automatic protecting control device according to claim 1, is characterized in that, described water level controller is that any one or two kinds of ball float liquid switch and level sensor use jointly.
6. a kind of submersible pump lack of water automatic protecting control device according to claim 1, it is characterized in that, filter screen is all established in described drainage tube two ends.
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CN201510032462.6A CN104712561B (en) | 2015-01-22 | 2015-01-22 | A kind of immersible pump water shortage automatic protecting control device and application method |
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CN201510032462.6A CN104712561B (en) | 2015-01-22 | 2015-01-22 | A kind of immersible pump water shortage automatic protecting control device and application method |
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CN104712561B CN104712561B (en) | 2017-05-31 |
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Cited By (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN106149855A (en) * | 2016-06-22 | 2016-11-23 | 李明 | Construction of hydro project automatic drain system and production and preparation method thereof |
CN109162932A (en) * | 2018-11-07 | 2019-01-08 | 漯河市四通泵业有限公司 | Comprehensive detection component and its application method built in water pump |
CN109209926A (en) * | 2018-11-07 | 2019-01-15 | 漯河市四通泵业有限公司 | Water level built in water pump and flow detection component and its application method |
CN109340133A (en) * | 2018-12-06 | 2019-02-15 | 无锡市海星船舶动力有限公司 | With the centrifugal water pump for automatically controlling anti-dry tap function |
CN109916027A (en) * | 2019-03-08 | 2019-06-21 | 广东美的制冷设备有限公司 | Control method, device and the computer readable storage medium of dehumidifier water pump |
CN110165964A (en) * | 2019-06-10 | 2019-08-23 | 爱科赛智能科技(台州)有限公司 | A kind of intelligent control method and its control device exchanging immersible pump |
CN110529400A (en) * | 2019-09-25 | 2019-12-03 | 宁波巨神制泵实业有限公司 | A kind of diving pump control system and its control method |
CN111677672A (en) * | 2020-07-03 | 2020-09-18 | 核工业北京化工冶金研究院 | Deep well submersible pump with liquid level detection function and detection method thereof |
CN112065735A (en) * | 2020-09-16 | 2020-12-11 | 长沙迪沃机械科技有限公司 | Control method of water-taking booster pump and control method of water-taking booster pump truck |
CN112095714A (en) * | 2020-08-17 | 2020-12-18 | 浙江达峰科技有限公司 | Method for judging pressure water shortage of water column with pipeline of constant-pressure water supply system |
CN112112791A (en) * | 2020-08-31 | 2020-12-22 | 格力电器(中山)小家电制造有限公司 | Submersible pump testing device and method |
CN113969803A (en) * | 2021-10-28 | 2022-01-25 | 重庆科华安全设备有限责任公司 | Mine trackless inclined shaft floating pump type emergency drainage system and installation method |
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JPH01200081A (en) * | 1987-12-18 | 1989-08-11 | Westinghouse Electric Corp <We> | Automatic protective device for pump |
EP0390628A1 (en) * | 1989-03-31 | 1990-10-03 | Ksb S.A. | Motor pump unit with a temperature control device on the outlet branch |
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Cited By (16)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN106149855A (en) * | 2016-06-22 | 2016-11-23 | 李明 | Construction of hydro project automatic drain system and production and preparation method thereof |
CN109162932B (en) * | 2018-11-07 | 2019-10-25 | 漯河市四通泵业有限公司 | Comprehensive detection component and its application method built in water pump |
CN109162932A (en) * | 2018-11-07 | 2019-01-08 | 漯河市四通泵业有限公司 | Comprehensive detection component and its application method built in water pump |
CN109209926A (en) * | 2018-11-07 | 2019-01-15 | 漯河市四通泵业有限公司 | Water level built in water pump and flow detection component and its application method |
CN109340133A (en) * | 2018-12-06 | 2019-02-15 | 无锡市海星船舶动力有限公司 | With the centrifugal water pump for automatically controlling anti-dry tap function |
CN109916027B (en) * | 2019-03-08 | 2021-04-27 | 广东美的制冷设备有限公司 | Method and device for controlling water pump of dehumidifier and computer readable storage medium |
CN109916027A (en) * | 2019-03-08 | 2019-06-21 | 广东美的制冷设备有限公司 | Control method, device and the computer readable storage medium of dehumidifier water pump |
CN110165964A (en) * | 2019-06-10 | 2019-08-23 | 爱科赛智能科技(台州)有限公司 | A kind of intelligent control method and its control device exchanging immersible pump |
CN110529400A (en) * | 2019-09-25 | 2019-12-03 | 宁波巨神制泵实业有限公司 | A kind of diving pump control system and its control method |
CN111677672A (en) * | 2020-07-03 | 2020-09-18 | 核工业北京化工冶金研究院 | Deep well submersible pump with liquid level detection function and detection method thereof |
CN112095714A (en) * | 2020-08-17 | 2020-12-18 | 浙江达峰科技有限公司 | Method for judging pressure water shortage of water column with pipeline of constant-pressure water supply system |
CN112095714B (en) * | 2020-08-17 | 2021-11-05 | 浙江达峰科技有限公司 | Method for judging pressure water shortage of water column with pipeline of constant-pressure water supply system |
CN112112791A (en) * | 2020-08-31 | 2020-12-22 | 格力电器(中山)小家电制造有限公司 | Submersible pump testing device and method |
CN112065735A (en) * | 2020-09-16 | 2020-12-11 | 长沙迪沃机械科技有限公司 | Control method of water-taking booster pump and control method of water-taking booster pump truck |
CN112065735B (en) * | 2020-09-16 | 2022-06-24 | 长沙迪沃机械科技有限公司 | Control method of water-taking booster pump and control method of water-taking booster pump truck |
CN113969803A (en) * | 2021-10-28 | 2022-01-25 | 重庆科华安全设备有限责任公司 | Mine trackless inclined shaft floating pump type emergency drainage system and installation method |
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