CN102606461B - Remote bidirectional intelligent monitoring protector for electric water pump - Google Patents
Remote bidirectional intelligent monitoring protector for electric water pump Download PDFInfo
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- CN102606461B CN102606461B CN201210084182.6A CN201210084182A CN102606461B CN 102606461 B CN102606461 B CN 102606461B CN 201210084182 A CN201210084182 A CN 201210084182A CN 102606461 B CN102606461 B CN 102606461B
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 115
- 238000012544 monitoring process Methods 0.000 title claims abstract description 40
- 230000001012 protector Effects 0.000 title abstract description 5
- 230000002457 bidirectional effect Effects 0.000 title abstract 3
- 238000012545 processing Methods 0.000 claims abstract description 82
- 239000007788 liquid Substances 0.000 claims abstract description 39
- 230000001681 protective effect Effects 0.000 claims description 31
- 239000002775 capsule Substances 0.000 claims description 13
- 230000001960 triggered effect Effects 0.000 claims description 10
- 238000001514 detection method Methods 0.000 claims description 7
- 238000004321 preservation Methods 0.000 claims description 5
- 230000001360 synchronised effect Effects 0.000 abstract 1
- 230000005611 electricity Effects 0.000 description 8
- 230000007812 deficiency Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000006855 networking Effects 0.000 description 1
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- Control Of Positive-Displacement Pumps (AREA)
- Control Of Non-Positive-Displacement Pumps (AREA)
Abstract
The invention discloses a remote bidirectional intelligent monitoring protector for an electric water pump, which comprises a main switch box (1) and a remote monitoring switch box (2). The core of the main switch box (1) is a central processing unit, the main switch box (1) is provided with a storage unit, a power unit, a current sensor, a voltage sensor, a temperature sensor, a liquid level sensor, a control switch, a setting key, an external interface, a setup unit and a display unit; an execution unit is a single-phase or three-phase electromagnetic control device such as an alternating-current contactor; the main switch box (1) is electrically connected with the remote monitoring switch box (2); both the main switch box (1) and the remote monitoring switch box (2) can independently control the electric water pump; and the display unit of the main switch box (1) and a remote display unit of the remote monitoring switch box (2) can synchronously display the state of the electric water pump. The protector has the advantages of simple and reasonable structure, intelligent detecting protection, remote bidirectional monitoring and synchronous display.
Description
Technical field
The present invention relates to switch and the protective gear thereof of electrical equipment, particularly relate to and a kind ofly can carry out the electric water pump remote double of intelligent power-off to intelligent monitoring protective gear according to electrical network parameter and motor temperature situation.
Background technique
At present, be that the air-break switch of hot relay system or band overcurrent protection is installed to the protective measure of electric water pump, along with the development of technology, also have part to adopt the comprehensive protector of motor of transistor formation; The motor of electric water pump can be protected to a certain extent.Its deficiency: intelligent protection is not high, still occurs that the accident that motor burns occurs.
Summary of the invention
The object of the invention is to overcome deficiency of the prior art, provide a kind of electric water pump remote double high to the motor intelligent degree of protection of electric water pump to intelligent monitoring protective gear.
Object of the present invention is achieved by following technical proposals: described protective gear comprises the main switch box be connected between electric water pump and electrical network; Described main switch box take central processing unit as core, configures the memory cell of mounting software and preservation data, provides the power subsystem of working power, current sensor, voltage transducer, control switch to the unit of protective gear or module, a key is adjusted, external interface, setting unit, display unit and performance element; Described performance element is electromagnetic control apparatus that is single-phase or three-phase, as A.C. contactor; Described performance element, current sensor and voltage transducer are arranged in electrical network, and the current signal output end of current sensor and the voltage signal output end of voltage transducer are all electrically connected with central processing unit; The external interface of described main switch box is electrically connected with the long-range external interface of remote monitoring switch capsule; Described control switch arranges running state and holding state; When described protective gear is in running state, electric water pump works, main switch box is in ready and intelligent protection state of adjusting: if do not have the record of adjusting of the safety protection parameter of electric water pump in memory cell, and electric water pump is when first operation rear accumulated running time reaches certain hour, or when the setting time of upper subparameter exceedes the value sometime of setting apart from the present, or when operator presses the button that next key adjusts artificially, the modular circuit that a key is adjusted is triggered; One key adjust and be triggered after work, from central processing unit analysing and processing electric water pump the historical record of run duration and the parameter of current detection, to combine and preserving to being optimized the safety protection parameter of electric water pump; At electric water pump duration of work; when the current signal that central processing unit obtains or voltage signal exceed a certain setting valve; central processing unit instruction execution unit cuts off electric network source protection electric water pump; control switch is switched to holding state simultaneously, the reason of display unit display stoppage protection.
Described remote monitoring switch capsule is core with remote central processing unit, configures long-range setting unit, remote display unit, long-range memory cell, long-range external interface, remote control switch, a long-range key adjust and remote power supply unit; Remote control switch can the startup of telecontrol electric water pump and stopping independently; The button adjusted of a long-range key can enter the state of adjusting of the safety protection parameter of electric water pump by the circuit module adjusted of a key of Remote triggering main switch box independently; The display unit of described main switch box and the remote display unit of remote monitoring switch capsule can the states of simultaneous display electric water pump.
Described main switch box configuration temperature transducer, temperature transducer is arranged on electric water pump motor, and the temperature signal output terminal of temperature transducer is electrically connected with central processing unit; At electric water pump duration of work; when the current signal that central processing unit obtains or voltage signal or temperature signal exceed a certain setting valve; central processing unit instruction execution unit cuts off electric network source protection electric water pump; control switch is switched to holding state simultaneously, the reason of display unit display stoppage protection.
Described main switch box configuration liquid level sensor, the liquid level signal output terminal of liquid level sensor is electrically connected with central processing unit; At electric water pump duration of work, when the current signal that central processing unit obtains or voltage signal or temperature signal or liquid level signal exceed a certain setting valve, central processing unit instruction execution unit cuts off electric network source protection electric water pump, control switch is switched to holding state simultaneously, the reason of display unit display stoppage protection; Holding state is at control switch, when the voltage signal that central processing unit obtains, temperature signal and water level signal all meet safe operation require time, central processing unit instruction execution unit connects the power supply of electric water pump, control switch is switched to running state simultaneously, display unit display electric water pump current operating state.
The working power of described liquid level sensor configuration is the rectangular wave power supply of alternating low frequency, and the frequency of the rectangular wave power supply of alternating low frequency is not higher than 4 hertz.
Described main switch box, in units of group, is connected with remote computer by respective external interface, installs special-purpose software in remote computer, carries out monitoring and controlling to single main switch box.
Compared with prior art, the present invention has the following advantages: simple and reasonable, and intelligence degree is high, a key is adjusted can obtain best protection effect to electric water pump, and the liquid level signal that liquid level sensor detects can stop the idle running of electric water pump effectively.
Accompanying drawing explanation
Fig. 1 is the single-phase electric water pump intelligent protection monitoring and protecting device example structure schematic diagram of band Liquid level of the present invention.
Fig. 2 is the three-phase electric water pump intelligent protection monitoring and protecting device example structure schematic diagram of band Liquid level of the present invention.
In figure: 1-main switch box, 2-remote monitoring switch capsule.
Embodiment
Below in conjunction with drawings and Examples, the invention will be further described:
See accompanying drawing, described protective gear comprises the main switch box 1 be connected between electric water pump and electrical network; Described main switch box 1 take central processing unit as core, configures the memory cell of mounting software and preservation data, provides the power subsystem of working power, current sensor, voltage transducer, control switch to the unit of protective gear or module, a key is adjusted, external interface, setting unit, display unit and performance element; Described performance element is electrically switchable grating that is single-phase or three-phase; Described performance element, current sensor and voltage transducer are arranged in electrical network, and the current signal output end of current sensor and the voltage signal output end of voltage transducer are all electrically connected with central processing unit; The external interface of described main switch box 1 is electrically connected with the long-range external interface of remote monitoring switch capsule 2; Described control switch arranges running state and holding state; When described protective gear is in running state, electric water pump works, main switch box 1 is in ready and intelligent protection state of adjusting: if do not have the record of adjusting of the safety protection parameter of electric water pump in memory cell, and electric water pump is when first operation rear accumulated running time reaches certain hour, or when the setting time of upper subparameter exceedes the value sometime of setting apart from the present, or when operator presses the button that next key adjusts artificially, the modular circuit that a key is adjusted is triggered; One key adjust and be triggered after work, from central processing unit analysing and processing electric water pump the historical record of run duration and the parameter of current detection, to combine and preserving to being optimized the safety protection parameter of electric water pump; At electric water pump duration of work; when the current signal that central processing unit obtains or voltage signal exceed a certain setting valve; central processing unit instruction execution unit cuts off electric network source protection electric water pump; control switch is switched to holding state simultaneously, the reason of display unit display stoppage protection.
Described remote monitoring switch capsule 2 is core with remote central processing unit, configures long-range setting unit, remote display unit, long-range memory cell, long-range external interface, remote control switch, a long-range key adjust and remote power supply unit; Remote control switch can the startup of telecontrol electric water pump and stopping independently; The button adjusted of a long-range key can enter the state of adjusting of the safety protection parameter of electric water pump by the circuit module adjusted of a key of Remote triggering main switch box 1 independently; The display unit of described main switch box 1 and the remote display unit of remote monitoring switch capsule 2 can the states of simultaneous display electric water pump.
Described main switch box 1 configures temperature transducer, and temperature transducer is arranged on electric water pump motor, and the temperature signal output terminal of temperature transducer is electrically connected with central processing unit; At electric water pump duration of work; when the current signal that central processing unit obtains or voltage signal or temperature signal exceed a certain setting valve; central processing unit instruction execution unit cuts off electric network source protection electric water pump; control switch is switched to holding state simultaneously, the reason of display unit display stoppage protection.
Described main switch box 1 configures liquid level sensor, and the liquid level signal output terminal of liquid level sensor is electrically connected with central processing unit; At electric water pump duration of work, when the current signal that central processing unit obtains or voltage signal or temperature signal or liquid level signal exceed a certain setting valve, central processing unit instruction execution unit cuts off electric network source protection electric water pump, control switch is switched to holding state simultaneously, the reason of display unit display stoppage protection; Holding state is at protective gear; when the voltage signal that central processing unit obtains, temperature signal and water level signal all meet safe operation require time; central processing unit instruction execution unit connects the power supply of electric water pump; control switch is switched to running state simultaneously, display unit display electric water pump current operating state.
The working power of described liquid level sensor configuration is the rectangular wave power supply of alternating low frequency, and the frequency of the rectangular wave power supply of alternating low frequency is not higher than 4 hertz.
Described main switch box 1, in units of group, is connected with remote computer by respective external interface, installs special-purpose software in remote computer, carries out monitoring and controlling to single main switch box 1.
Central processing unit: the product or the module that adopt prior art.
One key is adjusted: be a trigger module, coordinates trigger with button with special-purpose software.The module that one key is adjusted adopts prior art designing and making.The button that one key is adjusted adopts the product of prior art.
Control switch: be a trigger switch, the signal of trigger switch is to central processing unit, and central processing unit gives performance element again.Control switch adopts the product of prior art.
Performance element: be a switch by central processing unit controls, performance element adopts the product of prior art.
Voltage transducer: the under-voltage or overvoltage of detection of grid, voltage signal feeds back to central processing unit.Voltage transducer adopts the product of prior art.
Current sensor: detection of grid phase shortage, detect overcurrent or the no load current of motor, current signal feeds back to central processing unit.Current sensor adopts the product of prior art.
Temperature transducer: detect the real time temperature during machine operation of electric water pump motor, temperature signal feeds back to central processing unit.Temperature transducer adopts the product of prior art.
Memory cell: the parameter of storing software, setting and preservation real time data.Memory cell adopts the product of prior art.
Display unit: display working condition.Display unit adopts the product of prior art.
Setting unit: manually Protection parameters is set.Setting unit adopts the product of prior art.
Power subsystem: power supply from electrical network, by central processing unit controls, modules unit supply power.Power subsystem adopts the product of prior art.
External interface: with extraneous communication or networking.External interface adopts the product of prior art.
Liquid level sensor: the product adopting prior art;
Rectangular wave power supply: the circuit or the product that adopt prior art.Frequency, not higher than the ac square wave of 4 hertz, can extend the distance of liquid level sensor to central processing unit effectively.
Embodiment 1: the single-phase electric water pump remote double of band Liquid level is to intelligent monitoring protective gear.
Single-phase electric water pump remote double of the present invention comprises the main switch box 1 be connected between electric water pump and electrical network to protective gear described in intelligent monitoring protective gear; Described main switch box 1 take central processing unit as core, configures the memory cell of mounting software and preservation data, provides the power subsystem of working power, current sensor, voltage transducer, temperature transducer, liquid level sensor, control switch to the unit of protective gear or module, a key is adjusted, external interface, setting unit, display unit and performance element; Described performance element is electrically switchable grating that is single-phase or three-phase; Described performance element, current sensor and voltage transducer are arranged in electrical network, and temperature transducer is arranged on electric water pump motor, and liquid level sensor is arranged on water source place; The voltage signal output end of the temperature signal output terminal of temperature transducer, the signal output part of liquid level sensor, the current signal output end of current sensor and voltage transducer is all electrically connected with central processing unit; The external interface of described main switch box 1 is electrically connected with the long-range external interface of remote monitoring switch capsule 2; Described control switch arranges running state and holding state; When described protective gear is in running state, electric water pump works, main switch box 1 is in ready and intelligent protection state of adjusting: if do not have the record of adjusting of the safety protection parameter of electric water pump in memory cell, and electric water pump is when first operation rear accumulated running time reaches certain hour, or when the setting time of upper subparameter exceedes the value sometime of setting apart from the present, or when operator presses the button that next key adjusts artificially, the modular circuit that a key is adjusted is triggered; One key adjust and be triggered after work, from central processing unit analysing and processing electric water pump the historical record of run duration and the parameter of current detection, to combine and preserving to being optimized the safety protection parameter of electric water pump; At electric water pump duration of work; when the current signal that central processing unit obtains or voltage signal or temperature signal or liquid level signal exceed a certain setting valve; central processing unit instruction execution unit cuts off electric network source protection electric water pump; control switch is switched to holding state simultaneously, the reason of display unit display stoppage protection.Holding state is at protective gear; when the voltage signal that central processing unit obtains, temperature signal and water level signal all meet safe operation require time; central processing unit instruction execution unit connects the power supply of electric water pump; control switch is switched to running state simultaneously, display unit display electric water pump current operating state.The working power of described liquid level sensor configuration is the rectangular wave power supply of alternating low frequency, and the frequency of the rectangular wave power supply of alternating low frequency is not higher than 4 hertz.
Described remote monitoring switch capsule 2 is core with remote central processing unit, configures long-range setting unit, remote display unit, long-range memory cell, long-range external interface, remote control switch, a long-range key adjust and remote power supply unit; Remote control switch can the startup of telecontrol electric water pump and stopping independently; The button adjusted of a long-range key can enter the state of adjusting of the safety protection parameter of electric water pump by the circuit module adjusted of a key of Remote triggering main switch box 1 independently; The display unit of described main switch box 1 and the remote display unit of remote monitoring switch capsule 2 can the states of simultaneous display electric water pump.
Embodiment 2: the three-phase electric water pump remote double of band Liquid level is to intelligent monitoring protective gear.
Substantially identical with embodiment 1, unlike the use of on three-phase electric water pump.Voltage transducer and each three of current sensor.One key is adjusted identical with embodiment 1 with intelligent protection.Protective gear of the present invention can realize unmanned, and automated intelligent monitors and protection.
Embodiment 3-4: network management electric water pump group.
On the basis of embodiment 1-2, described main switch box 1, in units of group, is connected with remote computer by respective external interface, installs special-purpose software in remote computer, carries out monitoring and controlling to single main switch box 1.
The protector of above-described embodiment 1-4, can realize following protection:
(1), overcurrent protection.The threshold value of overcurrent is set by human-computer dialogue device, when detect electric current exceed threshold value certain hour as 5 seconds after, central processing unit sends instruction and cuts off the electricity supply to performance element, and shows state and reason.
(2), no-load protection.The threshold value of no load current is set by human-computer dialogue device, when detect electric current lower than threshold value certain hour as 20 seconds after, central processing unit sends instruction and cuts off the electricity supply to performance element, and shows state and reason.Zero load and electric water pump is anhydrous takes out, the motor idle running of electric water pump.
(3), overvoltage protection.The threshold value of overvoltage is set by human-computer dialogue device, when detect voltage exceed threshold value certain hour as 5 seconds after, central processing unit sends instruction and cuts off the electricity supply to performance element, and shows state and reason.
(4), under-voltage protection.By human-computer dialogue device, under-voltage threshold value is set, when detect voltage lower than threshold value certain hour as 5 seconds after, central processing unit sends instruction and cuts off the electricity supply to performance element, and shows state and reason.
(5), motor temperature protection.Arranged the threshold value of electric water pump motor temperature by human-computer dialogue device, when detecting that electric water pump motor temperature is higher than after threshold value certain hour was as 5 seconds, central processing unit sends instruction and cuts off the electricity supply to performance element, and shows state and reason.
(6), automated intelligent is adjusted Protection parameters.When described control switch is in running state, protective gear is in intelligent protection and ready state of adjusting: if do not have the parameter tuning record of electric water pump in memory cell, electric water pump is after first operation accumulative operation a period of time, or the time of parameter tuning last time exceedes when being worth sometime, or when operator presses the button that next key adjusts, the modular circuit that one key is adjusted is triggered, after one key is adjusted and is triggered, the historical record of central processing unit analysing and processing electric water pump at run duration and the parameter of current detection, the safety protection parameter of electric water pump is optimized and combines and preserve.When the current signal that central processing unit obtains or voltage signal or temperature signal exceed a certain setting value, central processing unit sends instruction to performance element, cuts off electric network source; When the current signal that central processing unit obtains, voltage signal and temperature signal all meet safe operation require time, central processing unit sends instruction to performance element, connects electric network source; When described control switch is in halted state, protective gear is in holding state.
(7), intelligent surveillance.Display unit is energy display working condition in real time just, particularly can show the reason of electric water pump when intelligent power-off protection, is convenient to rapid-maintenance and discharges fault.
(8), open-phase protection.This is the intelligent protection for three-phase electric water pump.When the numerical value of the current sensor of a certain phase is 0, just can conclude that this is without electricity, be phase shortage.Central processing unit sends instruction and cuts off the electricity supply to performance element, and shows state and reason.
(9), liquid level protection: when liquid level signal display reaches setting value, central processing unit is judged to be dried-up water level, sends instruction and cuts off the electricity supply to performance element, and shows state and reason.The liquid level signal that liquid level sensor detects can stop the idle running of electric water pump effectively.
Claims (7)
1. electric water pump remote double is to an intelligent monitoring protective gear, and described protective gear comprises the main switch box (1) be connected between electric water pump and electrical network; Described main switch box (1) take central processing unit as core, configures the memory cell of mounting software and preservation data, provides the power subsystem of working power, current sensor, voltage transducer, control switch to the unit of protective gear or module, a key is adjusted, external interface, setting unit, display unit and performance element; Described performance element is electromagnetic control apparatus that is single-phase or three-phase; Described performance element, current sensor and voltage transducer are arranged in electrical network, and the current signal output end of current sensor and the voltage signal output end of voltage transducer are all electrically connected with central processing unit; It is characterized in that:
The external interface of described main switch box (1) is electrically connected with the long-range external interface of remote monitoring switch capsule (2); Described remote monitoring switch capsule (2) is core with remote central processing unit, configures long-range setting unit, remote display unit, long-range memory cell, long-range external interface, remote control switch, a long-range key adjust and remote power supply unit; Remote control switch can the startup of telecontrol electric water pump and stopping independently; The button adjusted of a long-range key can enter the state of adjusting of the safety protection parameter of electric water pump by the circuit module adjusted of a key of Remote triggering main switch box (1) independently; The display unit of described main switch box (1) and the remote display unit of remote monitoring switch capsule (2) can the states of simultaneous display electric water pump;
Described control switch arranges running state and holding state; When described control switch is in running state, electric water pump works, main switch box (1) is in ready and intelligent protection state of adjusting: if do not have the record of adjusting of the safety protection parameter of electric water pump in memory cell, and electric water pump is when first operation rear accumulated running time reaches certain hour, or when the setting time of upper subparameter exceedes the value sometime of setting apart from the present, or when operator presses the button that next key adjusts artificially, the modular circuit that a key is adjusted is triggered; One key adjust and be triggered after work, from central processing unit analysing and processing electric water pump the historical record of run duration and the parameter of current detection, to combine and preserving to being optimized the safety protection parameter of electric water pump; At electric water pump duration of work; when the current signal that central processing unit obtains or voltage signal exceed a certain setting valve; central processing unit instruction execution unit cuts off electric network source protection electric water pump; control switch is switched to holding state simultaneously, the reason of display unit display stoppage protection.
2. electric water pump remote double according to claim 1 is to intelligent monitoring protective gear, it is characterized in that: described main switch box (1) configuration temperature transducer, temperature transducer is arranged on electric water pump motor, and the temperature signal output terminal of temperature transducer is electrically connected with central processing unit; At electric water pump duration of work; when the current signal that central processing unit obtains or voltage signal or temperature signal exceed a certain setting valve; central processing unit instruction execution unit cuts off electric network source protection electric water pump; control switch is switched to holding state simultaneously, the reason of display unit display stoppage protection.
3. electric water pump remote double according to claim 1 is to intelligent monitoring protective gear, it is characterized in that: described main switch box (1) configuration liquid level sensor, and the liquid level signal output terminal of liquid level sensor is electrically connected with central processing unit; At electric water pump duration of work, when the current signal that central processing unit obtains or voltage signal or liquid level signal exceed a certain setting valve, central processing unit instruction execution unit cuts off electric network source protection electric water pump, control switch is switched to holding state simultaneously, the reason of display unit display stoppage protection; Holding state is at control switch, when the voltage signal that central processing unit obtains, current signal and liquid level signal all meet safe operation require time, central processing unit instruction execution unit connects the power supply of electric water pump, control switch is switched to running state simultaneously, display unit display electric water pump current operating state.
4. electric water pump remote double according to claim 2 is to intelligent monitoring protective gear, it is characterized in that: described main switch box (1) configuration liquid level sensor, and the liquid level signal output terminal of liquid level sensor is electrically connected with central processing unit; At electric water pump duration of work, when the current signal that central processing unit obtains or voltage signal or temperature signal or liquid level signal exceed a certain setting valve, central processing unit instruction execution unit cuts off electric network source protection electric water pump, control switch is switched to holding state simultaneously, the reason of display unit display stoppage protection; Holding state is at control switch, when the voltage signal that central processing unit obtains, current signal, temperature signal and liquid level signal all meet safe operation require time, central processing unit instruction execution unit connects the power supply of electric water pump, control switch is switched to running state simultaneously, display unit display electric water pump current operating state.
5. the electric water pump remote double according to claim 3 or 4, to intelligent monitoring protective gear, is characterized in that: the working power of described liquid level sensor configuration is the rectangular wave power supply of alternating low frequency, and the frequency of the rectangular wave power supply of alternating low frequency is not higher than 1 hertz.
6. the electric water pump remote double according to claim 1 or 2 or 3 or 4 is to intelligent monitoring protective gear; it is characterized in that: described main switch box (1) is in units of group; be connected with remote computer by respective external interface; in remote computer, special-purpose software is installed, monitoring and controlling is carried out to single main switch box (1).
7. electric water pump remote double according to claim 5 is to intelligent monitoring protective gear; it is characterized in that: described main switch box (1) is in units of group; be connected with remote computer by respective external interface; in remote computer, special-purpose software is installed, monitoring and controlling is carried out to single main switch box (1).
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| Application Number | Priority Date | Filing Date | Title |
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| CN201210084182.6A CN102606461B (en) | 2012-03-28 | 2012-03-28 | Remote bidirectional intelligent monitoring protector for electric water pump |
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| CN201210084182.6A CN102606461B (en) | 2012-03-28 | 2012-03-28 | Remote bidirectional intelligent monitoring protector for electric water pump |
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| CN102606461B true CN102606461B (en) | 2015-02-25 |
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| CN201210084182.6A Active CN102606461B (en) | 2012-03-28 | 2012-03-28 | Remote bidirectional intelligent monitoring protector for electric water pump |
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103615382A (en) * | 2013-12-17 | 2014-03-05 | 浙江丰源泵业有限公司 | Intelligent submersible electric pump |
| CN108194339B (en) * | 2018-02-11 | 2020-02-07 | 国家电网公司 | Water pump intelligent control system with fault self-checking function |
| CN111415033A (en) * | 2020-03-10 | 2020-07-14 | 明光利拓智能科技有限公司 | Pump station fault prediction protection system |
| CN111412133A (en) * | 2020-03-10 | 2020-07-14 | 明光利拓智能科技有限公司 | Protection diagnostic system of pump room water pump |
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| CN2672933Y (en) * | 2003-12-30 | 2005-01-19 | 彭勇 | Intelligent start controller for water pump |
| CN2781437Y (en) * | 2005-02-21 | 2006-05-17 | 汕头市金福电器厂有限公司 | Water pump controller |
| CN2824400Y (en) * | 2005-09-26 | 2006-10-04 | 马银生 | Intelligent controller for starting water pump motor |
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| CN201013620Y (en) * | 2007-03-09 | 2008-01-30 | 陈仁德 | Electronic control automatic water pump |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| JPH0758519B2 (en) * | 1987-08-18 | 1995-06-21 | 日比谷総合設備株式会社 | Remote diagnosis method for equipment |
| US6998807B2 (en) * | 2003-04-25 | 2006-02-14 | Itt Manufacturing Enterprises, Inc. | Active sensing and switching device |
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| CN2672933Y (en) * | 2003-12-30 | 2005-01-19 | 彭勇 | Intelligent start controller for water pump |
| CN2781437Y (en) * | 2005-02-21 | 2006-05-17 | 汕头市金福电器厂有限公司 | Water pump controller |
| CN1924743A (en) * | 2005-04-21 | 2007-03-07 | 中国农业科学院农田灌溉研究所 | On-site manual and long-distance remote control method for long-distance remote control system |
| CN2824400Y (en) * | 2005-09-26 | 2006-10-04 | 马银生 | Intelligent controller for starting water pump motor |
| CN201013620Y (en) * | 2007-03-09 | 2008-01-30 | 陈仁德 | Electronic control automatic water pump |
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