CN102606460A - Remote bidirectional intelligent monitoring protecting device with mobile phone short message control function for electric water pump - Google Patents
Remote bidirectional intelligent monitoring protecting device with mobile phone short message control function for electric water pump Download PDFInfo
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- CN102606460A CN102606460A CN2012100841811A CN201210084181A CN102606460A CN 102606460 A CN102606460 A CN 102606460A CN 2012100841811 A CN2012100841811 A CN 2012100841811A CN 201210084181 A CN201210084181 A CN 201210084181A CN 102606460 A CN102606460 A CN 102606460A
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Abstract
The invention discloses a remote bidirectional intelligent monitoring protecting device with a mobile phone short message control function for an electric water pump. The protecting device consists of a main switch box (1) and a specified mobile phone; the main switch box (1) adopts a central processing unit as a core, and is provided with a storage unit, a power unit, an execution unit, a current sensor, a voltage sensor, a control switch, a setting key, a setup unit, a temperature sensor, a liquid level sensor, a display unit and a short message module; the short message module is in point-to-point connection with the specified mobile phone (2) via a wireless network; the control switch has a running state and a standby state; and when the control switch is in the running state, the electric water pump works, and the intelligent switch box (1) is in a setting ready and intelligent protecting state. The remote bidirectional intelligent monitoring protecting device has the following advantages that the structure is simple and reasonable, intelligence degree is high, the best protecting effect to the electric water pump can be obtained by means of one-key setting, the liquid level sensor can stop the electric water pump from idling, and unattended operation is realized.
Description
Technical field
The present invention relates to the switch and the protective gear thereof of electrical equipment, particularly relate to a kind of electric water pump remote double of band SMS control that can carry out the intelligence outage according to electrical network parameter and motor temperature situation to the intelligent monitoring protective gear.
Background technique
At present, be hot relay system to be installed or to the protective measure of electric water pump with the air-break switch of overcurrent protection, along with the development of technology, the comprehensive protector of motor that also has part to adopt transistor to constitute; Can protect the motor of electric water pump to a certain extent.Its deficiency: intelligent protection is not high, the accident generation that motor burns still occurs.
Summary of the invention
The objective of the invention is to overcome deficiency of the prior art, provide a kind of electric water pump remote double that the high band SMS of the motor intelligent degree of protection of electric water pump is controlled to the intelligent monitoring protective gear.
The object of the invention is achieved through following technical proposals: said protective gear comprises the main switch box that is connected between electric water pump and the electrical network; Said main switch box is core with the central processing unit, the configuration install software with the memory cell of preserving data, adjust, be provided with unit, display unit and SMS module for each unit of protective gear or power subsystem, performance element, current sensor, voltage transducer, control switch, the key that module provides working power; Said SMS module is connected with the mobile phone of appointment is point-to-point through wireless network; Said performance element is the electromagnetic control apparatus of single-phase or three-phase, like A.C. contactor; Said performance element, current sensor and voltage transducer are installed in the electrical network; Said control switch is provided with running state and holding state; When said protective gear is in running state; Electric water pump work; The main switch box is in ready and the intelligent protection state adjusted: if there is not the record of adjusting of the safety protection parameter of electric water pump in the memory cell, and electric water pump is when accumulated running time reaches certain hour in first operation back, when the setting time of perhaps going up subparameter surpasses the value sometime of setting apart from the present; Perhaps when button that the operator adjusts by next key artificially, the modular circuit that a key is adjusted is triggered; Work after one key is adjusted and is triggered begins at the historical record of run duration and the parameter of current detection from central processing unit analysing and processing electric water pump, till being optimized combination and preserving to the safety protection parameter to electric water pump; At the electric water pump duration of work; When current signal that obtains when central processing unit or voltage signal exceed a certain setting valve; The central processing unit instruction execution unit cuts off electric network source protection electric water pump; Control switch is switched to holding state simultaneously, and display unit shows the reason of stoppage protection.
Said SMS module be provided with accept and preserve the note receiving module of note, to coming the incoming call identification module of signal code identification; When the telephone number of letter was present among the address list of central processing unit, the incoming call identification module is delivered to central processing unit with short message content to carry out note instruction identification and handles; When the telephone number of letter was not present among the address list of central processing unit, the incoming call identification module was not given any information of central processing unit.
Said SMS module is provided with SMS transmission module, and SMS transmission module comprises the timing SMS transmitting module and replys SMS transmission module; During Time Triggered that said timing SMS transmitting module is set up, the timing SMS transmitting module sends the electric water pump current working state and related parameter is arranged to the mobile phone of appointment; During said note instruction triggers of replying the appointed mobile phone of SMS transmission module, reply SMS transmission module the result of central processing unit for processing note instruction is feedbacked, feed back the electric water pump current working state simultaneously and related parameter is arranged.
Said main switch box configuration temperature transducer, temperature transducer is installed on the motor of electric water pump, and the temperature signal output terminal of temperature transducer is electrically connected with central processing unit; Said protective gear is in running state; When current signal that obtains when central processing unit or voltage signal or temperature signal exceed a certain setting valve; The central processing unit instruction execution unit cuts off electric network source protection electric water pump; Control switch is switched to holding state simultaneously, and display unit shows the reason of stoppage protection.
Said main switch box configuration liquid level sensor, the liquid level signal output terminal of liquid level sensor is electrically connected with central processing unit; Said protective gear is in running state; When current signal that obtains when central processing unit or voltage signal or temperature signal or liquid level signal exceed a certain setting valve; The central processing unit instruction execution unit cuts off electric network source protection electric water pump; Control switch is switched to holding state simultaneously, and display unit shows the reason of stoppage protection; Control switch is in holding state; When voltage signal, temperature signal and the liquid level signal that obtains when central processing unit all satisfies safe operation and requires; The central processing unit instruction execution unit is connected the power supply of electric water pump; Control switch is switched to running state simultaneously, and display unit shows electric water pump work at present state.
The working power of said liquid level sensor configuration is for exchanging the rectangular wave power supply of low frequency, and the frequency that exchanges the rectangular wave power supply of low frequency is not higher than 4 hertz.
Said main switch box is at least one group, and single main switch box is connected with the remote computer that mobile phone card and bitcom thereof are installed through SMS module separately, and special-purpose software is installed in the remote computer, single main switch box is carried out note keep watch on and control.
Compared with prior art; The present invention has the following advantages: simple and reasonable; Intelligent degree is high, a key is adjusted and can be obtained the best protection effect to electric water pump, and the idle running that the liquid level signal that liquid level sensor detects can be stopped electric water pump effectively realizes unmanned.
Description of drawings
Fig. 1 is the single-phase electric water pump intelligent protection monitoring and protecting device example structure schematic representation of band liquid level control of the present invention.
Fig. 2 is the three-phase electric water pump intelligent protection monitoring and protecting device example structure schematic representation of band liquid level control of the present invention.
Among the figure: 1-main switch box, 2-mobile phone.
Embodiment
Below in conjunction with accompanying drawing and embodiment the present invention is described further:
Referring to accompanying drawing, said monitoring and protecting device comprises the main switch box 1 that is connected between electric water pump and the electrical network; Said main switch box 1 is a core with the central processing unit, the configuration install software with the memory cell of preserving data, adjust, be provided with unit, display unit and SMS module for each unit of protective gear or power subsystem, performance element, current sensor, voltage transducer, control switch, the key that module provides working power; Said SMS module is through mobile phone 2 point-to-point are connected of wireless network with appointment; Said performance element is the electromagnetic control apparatus of single-phase or three-phase, like A.C. contactor; Said performance element, current sensor and voltage transducer are installed in the electrical network; Said protective gear is provided with running state and holding state; When said protective gear is in running state; Electric water pump work; Main switch box 1 is in ready and the intelligent protection state adjusted: if there is not the record of adjusting of the safety protection parameter of electric water pump in the memory cell, and electric water pump is when accumulated running time reaches certain hour in first operation back, when the setting time of perhaps going up subparameter surpasses the value sometime of setting apart from the present; Perhaps when button that the operator adjusts by next key artificially, the modular circuit that a key is adjusted is triggered; Work after one key is adjusted and is triggered begins at the historical record of run duration and the parameter of current detection from central processing unit analysing and processing electric water pump, till being optimized combination and preserving to the safety protection parameter to electric water pump; At the electric water pump duration of work; When current signal that obtains when central processing unit or voltage signal exceed a certain setting valve; The central processing unit instruction execution unit cuts off electric network source protection electric water pump; Control switch is switched to holding state simultaneously, and display unit shows the reason of stoppage protection.
Said SMS module be provided with accept and preserve the note receiving module of note, to coming the incoming call identification module of signal code identification; When the telephone number of letter was present among the address list of central processing unit, the incoming call identification module is delivered to central processing unit with short message content to carry out note instruction identification and handles; When the telephone number of letter was not present among the address list of central processing unit, the incoming call identification module was not given any information of central processing unit.
Said SMS module is provided with SMS transmission module, and SMS transmission module comprises the timing SMS transmitting module and replys SMS transmission module; During Time Triggered that said timing SMS transmitting module is set up, the timing SMS transmitting module sends the electric water pump current working state and related parameter is arranged to the mobile phone 2 of appointment; During said note instruction triggers of replying the appointed mobile phone 2 of SMS transmission module, reply SMS transmission module the result of central processing unit for processing note instruction is feedbacked, feed back the electric water pump current working state simultaneously and related parameter is arranged.
Said main switch box 1 configuration temperature transducer, temperature transducer is installed on the motor of electric water pump, and the temperature signal output terminal of temperature transducer is electrically connected with central processing unit; Said control switch is in running state; When current signal that obtains when central processing unit or voltage signal or temperature signal exceed a certain setting valve; The central processing unit instruction execution unit cuts off electric network source protection electric water pump; Control switch is switched to holding state simultaneously, and display unit shows the reason of stoppage protection.
Said main switch box 1 configuration liquid level sensor, the liquid level signal output terminal of liquid level sensor is electrically connected with central processing unit; Said control switch is in running state; When current signal that obtains when central processing unit or voltage signal or temperature signal or liquid level signal exceed a certain setting valve; The central processing unit instruction execution unit cuts off electric network source protection electric water pump; Control switch is switched to holding state simultaneously, and display unit shows the reason of stoppage protection; Control switch is in holding state; When voltage signal, temperature signal and the liquid level signal that obtains when central processing unit all satisfies safe operation and requires; The central processing unit instruction execution unit is connected the power supply of electric water pump; Control switch is switched to running state simultaneously, and display unit shows electric water pump work at present state.
The working power of said liquid level sensor configuration is for exchanging the rectangular wave power supply of low frequency, and the frequency that exchanges the rectangular wave power supply of low frequency is not higher than 4 hertz.
Said main switch box 1 is at least one group, and single main switch box 1 is connected with the remote computer that mobile phone card and bitcom thereof are installed through SMS module separately, and special-purpose software is installed in the remote computer, single main switch box 1 is carried out note keep watch on and control.
Central processing unit: the product or the module that adopt existing technology.
One key is adjusted: be a trigger module, cooperate with special-purpose software with button and trigger.The module that one key is adjusted adopts the existing technology design and makes.The button that one key is adjusted adopts the product of existing technology.
Control switch: be a trigger switch, the signal of trigger switch is given central processing unit, and central processing unit is given performance element again.Control switch adopts the product of existing technology.
Performance element: be a switch that receives central processing unit controls, performance element adopts the product of existing technology.
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 existing technology.
Current sensor: the detection of grid phase shortage, the overcurrent or the no load current of detection motor, current signal feeds back to central processing unit.Current sensor adopts the product of existing technology.
Temperature transducer: the real time temperature when detecting the machine operation of electric water pump motor, temperature signal feeds back to central processing unit.Temperature transducer adopts the product of existing technology.
Memory cell: the parameter of storing software, setting and preservation real time data.Memory cell adopts the product of existing technology.
Display unit: display working condition.Display unit adopts the product of existing technology.
The unit is set: manual work is provided with the protection parameter.The product that the unit adopts existing technology is set.
Power subsystem: power supply receives central processing unit controls from electrical network, each modular unit supply power.Power subsystem adopts the product of existing technology.
Liquid level sensor: the product that adopts existing technology;
Rectangular wave power supply: the circuit or the product that adopt existing technology.Frequency is not higher than 4 hertz ac square wave, can prolong the distance of liquid level sensor to central processing unit effectively.
SMS module: be equivalent to external interface.Comprise note receiving module, incoming call identification module, the timing SMS transmitting module of acceptance and preservation note and reply SMS transmission module, can make up use, all adopt existing technology design or making coming the signal code identification.
Mobile phone 2: be the common mobile phone that can receive and dispatch note, the computer or the computer server of mobile phone card and special-purpose software perhaps has been installed.
Embodiment 1: the single-phase electric water pump intelligent protection remote double of band note control is to monitoring and protecting device.
The main switch box 1 of said protective gear is connected between electric water pump and the electrical network; Said main switch box 1 is a core with the central processing unit, the configuration install software with the memory cell of preserving data, adjust, be provided with unit, display unit and SMS module for each unit of protective gear or power subsystem, performance element, current sensor, voltage transducer, control switch, the key that module provides working power; Said SMS module is through mobile phone 2 point-to-point are connected of wireless network with appointment; Said performance element is the electromagnetic control apparatus of single-phase or three-phase, like A.C. contactor; Said performance element, current sensor and voltage transducer are installed in the electrical network; Said control switch is provided with running state and holding state; When said control switch is in running state; Electric water pump work; Main switch box 1 is in ready and the intelligent protection state adjusted: if there is not the record of adjusting of the safety protection parameter of electric water pump in the memory cell, and electric water pump is when accumulated running time reaches certain hour in first operation back, when the setting time of perhaps going up subparameter surpasses the value sometime of setting apart from the present; Perhaps when button that the operator adjusts by next key artificially, the modular circuit that a key is adjusted is triggered; Work after one key is adjusted and is triggered begins at the historical record of run duration and the parameter of current detection from central processing unit analysing and processing electric water pump, till being optimized combination and preserving to the safety protection parameter to electric water pump; At the electric water pump duration of work; When current signal that obtains when central processing unit or voltage signal exceed a certain setting valve; The central processing unit instruction execution unit cuts off electric network source protection electric water pump; Control switch is switched to holding state simultaneously, and display unit shows the reason of stoppage protection.Said SMS module be provided with accept and preserve the note receiving module of note, to coming the incoming call identification module of signal code identification; When the telephone number of letter was present among the address list of central processing unit, the incoming call identification module is delivered to central processing unit with short message content to carry out note instruction identification and handles; When the telephone number of letter was not present among the address list of central processing unit, the incoming call identification module was not given any information of central processing unit.Said SMS module is provided with SMS transmission module, and SMS transmission module comprises the timing SMS transmitting module and replys SMS transmission module; During Time Triggered that said timing SMS transmitting module is set up, the timing SMS transmitting module sends the electric water pump current working state and related parameter is arranged to the mobile phone 2 of appointment; During said note instruction triggers of replying the appointed mobile phone 2 of SMS transmission module, reply SMS transmission module the result of central processing unit for processing note instruction is feedbacked, feed back the electric water pump current working state simultaneously and related parameter is arranged.Said main switch box 1 configuration temperature transducer, temperature transducer is installed on the motor of electric water pump, and the temperature signal output terminal of temperature transducer is electrically connected with central processing unit; Said control switch is in running state; When current signal that obtains when central processing unit or voltage signal or temperature signal exceed a certain setting valve; The central processing unit instruction execution unit cuts off electric network source protection electric water pump; Control switch is switched to holding state simultaneously, and display unit shows the reason of stoppage protection.Said main switch box 1 configuration liquid level sensor, the liquid level signal output terminal of liquid level sensor is electrically connected with central processing unit; Said control switch is in running state; When current signal that obtains when central processing unit or voltage signal or temperature signal or liquid level signal exceed a certain setting valve; The central processing unit instruction execution unit cuts off electric network source protection electric water pump; Control switch is switched to holding state simultaneously, and display unit shows the reason of stoppage protection; Control switch is in holding state; When voltage signal, temperature signal and the liquid level signal that obtains when central processing unit all satisfies safe operation and requires; The central processing unit instruction execution unit is connected the power supply of electric water pump; Control switch is switched to running state simultaneously, and display unit shows electric water pump work at present state.The working power of said liquid level sensor configuration is for exchanging the rectangular wave power supply of low frequency, and the frequency that exchanges the rectangular wave power supply of low frequency is not higher than 4 hertz.Frequency is not higher than the rectangular wave power supply of 4 hertz interchange low frequency, can strengthen the distance of liquid level sensor and main switch box 1 significantly, and is economical and practical.
Embodiment 2: the three-phase electric water pump intelligent protection remote double of band note control is to monitoring and protecting device.
Basic identical with embodiment 1, different is to use on the three-phase electric water pump.Each three of voltage transducer and current sensors.
Embodiment 3-4: embodiment 1-2 and computer networking.
Adopt the main switch box 1 of embodiment 1-2, many are connected with the remote computer that mobile phone card and bitcom thereof are installed through SMS module separately, and special-purpose software is installed in the remote computer, and single main switch box 1 is carried out the note supervision and controls.
In present embodiment 1-4, any index exceeding standard of voltage signal, current signal, temperature signal and liquid level signal all can cause the electric water pump automatic shutdown protection; But, at voltage signal, current signal, when temperature signal meets safety requirement, when the liquid level signal demonstration needs draining; Liquid level signal can start the work of electric water pump automatically; Therefore, this monitoring and protecting device can be realized unmanned, and automated intelligent is kept watch on and protection.
The note instruction is given an example: be suitable for embodiment 1-4.
Whether main switch box 1 is in holding state: mobile phone 2 is sent short messages " opening pump " to main switch box 1, and the note receiving module of the acceptance of the SMS module of main switch box 1 and preservation note is accepted and preserved, pass to the incoming call identification module simultaneously and confirm to come the signal code identity legal; If the affirmation of caller ID in address list is legal, " opening pump " instruction is also legal, and central processing unit is just carried out; That is: with control switch by holding state switchover operation state; Performance element is connected the unit of electric water pump simultaneously, then, replys SMS transmission module and answers short message automatically to legal addresser; Feed back execution result, report the working state of electric water pump simultaneously.In like manner: after legal addresser sent the instruction of " termination of pumping ", electric water pump quit work.
No matter main switch box 1 is in holding state or running state, and the timing SMS transmitting module all will send note for legal telephone number on time, reports the state of this machine.
The protector of the foregoing description 1-4, can realize following protection:
(1), overcurrent protection.Through the human-computer dialogue device threshold value of overcurrent is set, when detect electric current exceed the threshold value certain hour as 5 seconds after, central processing unit is sent instruction and is cut off the electricity supply to performance element, and show state and reason.
(2), no-load protection.Through the human-computer dialogue device threshold value of no load current is set, when detect electric current be lower than the threshold value certain hour as 20 seconds after, central processing unit is sent instruction and is cut off the electricity supply to performance element, and show state and reason.To be that electric water pump is anhydrous take out in zero load, the motor idle running of electric water pump.
(3), overvoltage protection.Through the human-computer dialogue device threshold value of overvoltage is set, when detect voltage exceed the threshold value certain hour as 5 seconds after, central processing unit is sent instruction and is cut off the electricity supply to performance element, and show state and reason.
(4), under-voltage protection.Through the human-computer dialogue device under-voltage threshold value is set, when detect voltage be lower than the threshold value certain hour as 5 seconds after, central processing unit is sent instruction and is cut off the electricity supply to performance element, and show state and reason.
(5), motor temperature protection.Through the human-computer dialogue device threshold value of electric water pump motor temperature is set, is higher than after the threshold value certain hour was as 5 seconds when detecting the electric water pump motor temperature, central processing unit is sent instruction and is cut off the electricity supply to performance element, and show state and reason.
(6), the automated intelligent protection parameter of adjusting.When said control switch is in running state; Integral switch is in intelligent protection and the ready state of adjusting: if there is not the parameter tuning record of electric water pump in the memory cell; Electric water pump after first operation accumulative total is moved a period of time, perhaps last time parameter tuning time surpass when being worth sometime the button of perhaps adjusting by next key as the operator; The modular circuit that one key is adjusted is triggered; After one key was adjusted and is triggered, central processing unit analysing and processing electric water pump was in the historical record of run duration and the parameter of current detection, and the safety protection parameter of electric water pump is optimized combination and preserves.When current signal that obtains when central processing unit or voltage signal or temperature signal exceeded a certain setting value, central processing unit was sent instruction to performance element, cuts off electric network source; When current signal, voltage signal and the temperature signal that obtains when central processing unit all satisfied safe operation and require, central processing unit was sent instruction to performance element, connects electric network source; When said protective gear was in halted state, assembled protector was in holding state.
(7), intelligent surveillance.Display unit is the real-time display working condition of ability just, particularly can show the reason of electric water pump when intelligent power-off protection, is convenient to quick maintenance platoon and is out of order.
(8), open-phase protection.This is the intelligent protection to the three-phase electric water pump.When the numerical value of the current sensor of a certain phase is 0, just can conclude that this does not have electricity mutually, is phase shortage.Central processing unit is sent instruction and is cut off the electricity supply to performance element, and show state and reason.
(9), liquid level protection: when liquid level signal shows that when reaching setting value, central processing unit is judged to be dried-up water level, send instruction and cut off the electricity supply, and show state and reason to performance element.The idle running that the liquid level signal that liquid level sensor detects can be stopped electric water pump effectively.
Claims (10)
- One kind with the electric water pump remote double of SMS control to the intelligent monitoring protective gear, said protective gear comprises the main switch box (1) that is connected between electric water pump and the electrical network; It is characterized in that: said main switch box (1) is core with the central processing unit, the configuration install software with the memory cell of preserving data, adjust, be provided with unit, display unit and SMS module for each unit of protective gear or power subsystem, performance element, current sensor, voltage transducer, control switch, the key that module provides working power; Said SMS module is through mobile phone (2) point-to-point be connected of wireless network with appointment; Said performance element is the electromagnetic control apparatus of single-phase or three-phase, like A.C. contactor; Said performance element, current sensor and voltage transducer are installed in the electrical network; Said control switch is provided with running state and holding state; When said control switch is in running state; Electric water pump work; Main switch box (1) is in ready and the intelligent protection state adjusted: if there is not the record of adjusting of the safety protection parameter of electric water pump in the memory cell, and electric water pump is when accumulated running time reaches certain hour in first operation back, when the setting time of perhaps going up subparameter surpasses the value sometime of setting apart from the present; Perhaps when button that the operator adjusts by next key artificially, the modular circuit that a key is adjusted is triggered; Work after one key is adjusted and is triggered begins at the historical record of run duration and the parameter of current detection from central processing unit analysing and processing electric water pump, till being optimized combination and preserving to the safety protection parameter to electric water pump; At the electric water pump duration of work; When current signal that obtains when central processing unit or voltage signal exceed a certain setting valve; The central processing unit instruction execution unit cuts off electric network source protection electric water pump; Control switch is switched to holding state simultaneously, and display unit shows the reason of stoppage protection.
- 2. the electric water pump remote double of band SMS according to claim 1 control is characterized in that to the intelligent monitoring protective gear: said SMS module be provided with accept and preserve the note receiving module of note, to coming the incoming call identification module of signal code identification; When the telephone number of letter was present among the address list of central processing unit, the incoming call identification module is delivered to central processing unit with short message content to carry out note instruction identification and handles; When the telephone number of letter was not present among the address list of central processing unit, the incoming call identification module was not given any information of central processing unit.
- 3. the electric water pump remote double of band SMS control according to claim 2 is to the intelligent monitoring protective gear; It is characterized in that: said SMS module is provided with SMS transmission module, and SMS transmission module comprises the timing SMS transmitting module and replys SMS transmission module; During Time Triggered that said timing SMS transmitting module is set up, the timing SMS transmitting module sends the electric water pump current working state and related parameter is arranged to the mobile phone (2) of appointment; During said note instruction triggers of replying the appointed mobile phone of SMS transmission module (2), reply SMS transmission module the result of central processing unit for processing note instruction is feedbacked, feed back the electric water pump current working state simultaneously and related parameter is arranged.
- According to the electric water pump remote double of claim 1 or the control of 2 or 3 described band SMSs to the intelligent monitoring protective gear; It is characterized in that: said main switch box (1) configuration temperature transducer; Temperature transducer is installed on the motor of electric water pump, and the temperature signal output terminal of temperature transducer is electrically connected with central processing unit; Said control switch is in running state; When current signal that obtains when central processing unit or voltage signal or temperature signal exceed a certain setting valve; The central processing unit instruction execution unit cuts off electric network source protection electric water pump; Control switch is switched to holding state simultaneously, and display unit shows the reason of stoppage protection.
- According to the electric water pump remote double of claim 1 or the control of 2 or 3 described band SMSs to the intelligent monitoring protective gear; It is characterized in that: said main switch box (1) configuration liquid level sensor, the liquid level signal output terminal of liquid level sensor is electrically connected with central processing unit; Said control switch is in running state; When current signal that obtains when central processing unit or voltage signal or temperature signal or liquid level signal exceed a certain setting valve; The central processing unit instruction execution unit cuts off electric network source protection electric water pump; Control switch is switched to holding state simultaneously, and display unit shows the reason of stoppage protection; Control switch is in holding state; When voltage signal, temperature signal and the liquid level signal that obtains when central processing unit all satisfies safe operation and requires; The central processing unit instruction execution unit is connected the power supply of electric water pump; Control switch is switched to running state simultaneously, and display unit shows electric water pump work at present state.
- 6. the electric water pump remote double of band SMS control according to claim 4 is to the intelligent monitoring protective gear; It is characterized in that: said main switch box (1) configuration liquid level sensor, the liquid level signal output terminal of liquid level sensor is electrically connected with central processing unit; Said control switch is in running state; When current signal that obtains when central processing unit or voltage signal or temperature signal or liquid level signal exceed a certain setting valve; The central processing unit instruction execution unit cuts off electric network source protection electric water pump; Control switch is switched to holding state simultaneously, and display unit shows the reason of stoppage protection; Control switch is in holding state; When voltage signal, temperature signal and the liquid level signal that obtains when central processing unit all satisfies safe operation and requires; The central processing unit instruction execution unit is connected the power supply of electric water pump; Control switch is switched to running state simultaneously, and display unit shows electric water pump work at present state.
- 7. the electric water pump remote double of band SMS control according to claim 5 is to the intelligent monitoring protective gear; It is characterized in that: the working power of said liquid level sensor configuration is for exchanging the rectangular wave power supply of low frequency, and the frequency that exchanges the rectangular wave power supply of low frequency is not higher than 4 hertz.
- 8. the electric water pump remote double of band SMS control according to claim 6 is to the intelligent monitoring protective gear; It is characterized in that: the working power of said liquid level sensor configuration is for exchanging the rectangular wave power supply of low frequency, and the frequency that exchanges the rectangular wave power supply of low frequency is not higher than 4 hertz.
- 9. the electric water pump remote double of band SMS control according to claim 1 and 2 is to the intelligent monitoring protective gear; It is characterized in that: said main switch box (1) is at least one group; Single main switch box (1) is connected with the remote computer that mobile phone card and bitcom thereof are installed through SMS module separately; Special-purpose software is installed in the remote computer, single main switch box (1) is carried out note keep watch on and control.
- 10. the electric water pump remote double of band SMS control according to claim 3 is to the intelligent monitoring protective gear; It is characterized in that: said main switch box (1) is at least one group; Single main switch box (1) is connected with the remote computer that mobile phone card and bitcom thereof are installed through SMS module separately; Special-purpose software is installed in the remote computer, single main switch box (1) is carried out note keep watch on and control.
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| CN201210084181.1A CN102606460B (en) | 2012-03-28 | 2012-03-28 | Electric water pump remote double with SMS control is to intelligent monitoring protective gear |
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| CN201210084181.1A CN102606460B (en) | 2012-03-28 | 2012-03-28 | Electric water pump remote double with SMS control is to intelligent monitoring protective gear |
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| CN112162162A (en) * | 2020-09-24 | 2021-01-01 | 华北电力大学 | Electromagnetic disturbance measuring device and system |
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