CN102562557A - Method for monitoring vacuum pump of photovoltaic equipment and system for realizing method - Google Patents
Method for monitoring vacuum pump of photovoltaic equipment and system for realizing method Download PDFInfo
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- CN102562557A CN102562557A CN2010105764102A CN201010576410A CN102562557A CN 102562557 A CN102562557 A CN 102562557A CN 2010105764102 A CN2010105764102 A CN 2010105764102A CN 201010576410 A CN201010576410 A CN 201010576410A CN 102562557 A CN102562557 A CN 102562557A
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Abstract
The invention discloses a method for monitoring a vacuum pump of photovoltaic equipment and a system for realizing the method. In the method, programs of pump parameter detection, fault handling and various control modes are provided for realizing local control of a touch screen and remote control of user terminals. The system for realizing the method includes a single-chip microcomputer processing chip, a relay driving module, an analog quantity input unit, a switch quantity detection unit and a digital quantity output unit, wherein the single-chip microcomputer processing chip detects analog quantity input signals and switch quantity input signals circularly, and the system has functions of warning and automatic power-off and the like by the aid of the switch quantity detection unit, and is capable of warning or shutting down automatically to guarantee safety of equipment when units are in abnormal operation states. Accordingly, operation states of the vacuum pump can be monitored in real time according to the various acquired parameters of the vacuum pump and the vacuum pump can be subjected to fixed protection.
Description
Technical field
The present invention relates to the photovoltaic apparatus vacuum and obtain the field, be specifically related to be used for method and realization system thereof the monitoring of photovoltaic apparatus vacuum pump
Background technique
The photovoltaic apparatus running be unable to do without vacuum environment, and the acquisition of vacuum environment need be accomplished by vacuum pump.Current vacuum pump major part does not possess Intelligent Measurement and protective function means, and in the long-term continual production process of photovoltaic apparatus, in a single day vacuum pump breaks down; The product of production line production will become substandard products or waste product, directly causes economic loss, and more serious is in case owing to the flammable explosive gas that causes unusually of vacuum pump is revealed; Very easily cause production accident; And if vacuum pump has possessed intelligent monitor system, occur in time reporting to the police when unusual at vacuum pump, remind user processing; System can shut down automatically when the user does not handle, and guarantees production safety.
Summary of the invention
For solving the problem that above-mentioned vacuum pump exists, the utility model provides a kind of can gather and have the method and the realization system thereof to the monitoring of photovoltaic apparatus vacuum pump that be used for of automatic detection and protective function automatically to the vacuum pump Operational Limits.
For realizing the object of the invention, take following technological means:
Be used for method, comprise the steps: the monitoring of photovoltaic apparatus vacuum pump
Detect analog amount and switching value, and its detection limit is carried out fault judgement, have to get into the fault treatment subroutine when unusual, carry out fault treatment; Return then and detect analog amount and switching value step, continue detection limit is carried out fault judgement.
Get into the touch screen operation instruction during fault-free and judge, get into operational order when operational order is arranged and handle subroutine, carry out operational order and handle; Return then and detect analog amount and switching value step, continue detection limit is carried out fault judgement.
Get into the user terminal communication instruction during no touch screen operational order and judge, entry communication instruction process subroutine when communication instruction is arranged is carried out communication instruction and is handled, and returns then and detects analog amount and switching value step, continues detection limit is carried out fault judgement.
Get into the remote switch instruction during instruction of no user terminal called and judge subroutine; When being arranged, the remote switch instruction gets into remote switch instruction process subroutine; Carry out the remote switch instruction process, return then and detect analog amount and switching value step, continue detection limit is carried out fault judgement.
When no remote switch instructs, return and detect analog amount and switching value step, continue detection limit is carried out fault judgement.
Be used for the realization system of the method for photovoltaic apparatus vacuum pump monitoring is comprised single-chip microcomputer process chip, relay driving module, analog input unit, switching value detection unit and digital quantity output unit; Each sensor output terminal of its analog input unit is connected to the corresponding input end of single-chip microcomputer process chip; Its output terminal testing signal is connected to touch screen through RS232 communication chip output terminal respectively; Be connected to user terminal through RS485 communication chip output terminal; Singlechip chip control signal output terminal is connected to the relay driving module input end, its output termination digital quantity output unit input end, digital quantity output unit output termination pump assembly input end; The switching value detection unit output terminal that is connected with pump assembly is connected to the single-chip microcomputer process chip.
The single-chip microcomputer process chip adopts C8051F040.
Analog input unit is made up of the 1st, the 2nd temperature transducer, power sensor, flow transducer, pressure transducer, humidity transducer; Above-mentioned each sensor output terminal is connected to the corresponding A/D translation interface of single-chip microcomputer process chip.
The digital quantity output unit comprises the 1st～6 relay, the 1st, 2 motors, the 1st～3 solenoid valve, alarm buzzer; Wherein the 1st～6 relay output end is connected to the 1st, 2 motors, the 1st～3 solenoid valve, alarm buzzer input end respectively, and its each output end signal is connected to vacuum pump unit input end, and the relay driving module output terminal is connected to the 1st～6 relay input end respectively.
The switching value detection unit that is connected with the vacuum pump unit comprises motor cooling water testing module, anxious testing module, the 1st, 2 motor heat detection interface, the 1st, the 2 over current of motor protection modules of stopping; Its each testing module and the 1st, 2 motor heat detect the interface output terminal and connect corresponding the 1st～6 switching value detection interface of single-chip microcomputer process chip respectively.
The present invention compared with prior art beneficial effect is following:
1. automaticity is high, the user is easy to use.The method of this monitoring of the present invention and realization system thereof provide the local control mode remote user terminals of touch screen control mode; Have multi-channel A conversion, can gather all kinds of parameters of vacuum pump and monitor the working state of vacuum pump in real time and it has been carried out the fixed point protection through vacuum pump control software.
2. protective function is perfect.This invention provides the switching value detection unit, makes system possess functions such as warning and automatic shutdown, when the unit working state is unusual, reports to the police automatically, is not in time handled as reporting to the police, and native system is just automatic to shut down, to guarantee device security.
Description of drawings
Fig. 1 is the inventive method software program flow chart;
Fig. 2 is Fig. 1 fault treatment subroutine flow chart;
Fig. 3 is Fig. 1 touch screen key scan/user terminal communication/remote switch instruction process subroutine flow chart;
Fig. 4 is an entire system block diagram of the present invention;
Fig. 5 is Fig. 4 analog input unit block diagram;
Fig. 6 is Fig. 4 digital quantity output unit block diagram;
Fig. 7 is Fig. 4 switching value detection unit block diagram;
Fig. 8, Fig. 9 are this present invention circuit theory diagrams.
Embodiment
Below in conjunction with accompanying drawing and embodiment the present invention is done further explain.
Referring to accompanying drawing 1～Fig. 3, be used for the method for photovoltaic apparatus vacuum pump monitoring is comprised the steps:
Detect analog amount and switching value, and its detection limit is carried out fault judgement, have to get into the fault treatment subroutine when unusual, carry out fault treatment; Return then and detect analog amount and switching value step, continue detection limit is carried out fault judgement.
Get into the touch screen operation instruction during fault-free and judge, get into operational order when operational order is arranged and handle subroutine, carry out operational order and handle; Return then and detect analog amount and switching value step, continue detection limit is carried out fault judgement.
Get into the user terminal communication instruction during no touch screen operational order and judge, entry communication instruction process subroutine when communication instruction is arranged is carried out communication instruction and is handled, and returns then and detects analog amount and switching value step, continues detection limit is carried out fault judgement.
Get into the remote switch instruction during instruction of no user terminal called and judge subroutine; When being arranged, the remote switch instruction gets into remote switch instruction process subroutine; Carry out the remote switch instruction process, return then and detect analog amount and switching value step, continue detection limit is carried out fault judgement.
When no remote switch instructs, return and detect analog amount and switching value step, continue detection limit is carried out fault judgement.
Get into the fault treatment subroutine procedure during fault: the accumulative total trouble duration; Judge that whether the endurance is greater than the warning settings; The control vacuum pump is shut down when greater than the warning settings, and the control alarm equipment alarm is controlled the screen displaying warning message simultaneously when being less than or equal to the warning settings.
Touch screen operation/user terminal communication/remote switch instruction process subroutine treatment step:
When touch screen operation instruction, user terminal communication instruction or remote switch instruction; Subroutine is handled in entry instruction, during the instruction of input turn on pump, and the 1st, 2 relay closes; Return then and detect analog amount and switching value step, continue detection limit is carried out fault judgement.
When the pump instruction was closed in input, the 1st, 2 relays broke off, and returned then and detected analog amount and switching value step, continue detection limit is carried out fault judgement;
When the valve instruction was opened in input, the 3rd～5 relay closes was returned then and is detected analog amount and switching value step, continues detection limit is carried out fault judgement;
When the valve instruction was closed in input, the 3rd～5 relay broke off, and returned then and detected analog amount and switching value step, continues detection limit is carried out fault judgement;
When the input Operational Limits was checked instruction, the Operational Limits of output control screen displaying vacuum pump comprised temperature, power, flow, pressure, humidity, returns then and detects analog amount and switching value step, continues detection limit is carried out fault judgement;
When the input alarm parameters was provided with instruction, output control single chip computer process chip store alarms parameter was returned then and is detected analog amount and switching value step, continues detection limit is carried out fault judgement.
Referring to accompanying drawing 4～Fig. 9, be used for realization system to the method for photovoltaic apparatus vacuum pump monitoring, present embodiment selects for use single-chip microcomputer process chip U1 to adopt model C 8051F040; This chip utilization at present is wider; This chip integration is high, and expanded function is strong, inner integrated AD modular converter, storage and I/O module; This I/O module is 64 the tunnel, also has the two-way communication interface.
The embodiment of the invention is selected RS232 communication chip, RS485 communication chip for use, also is provided with relay driving module U2, analog input unit, switching value detection unit and digital quantity output unit.
Referring to accompanying drawing 5, said analog input unit is made up of the 1st, 2 temperature transducers, power sensor, flow transducer, pressure transducer, humidity transducer; Above-mentioned each sensor output terminal is connected to the corresponding A/D translation interface of single-chip microcomputer process chip U1 respectively, is connected to touch screen through the RS232 communication chip respectively through single-chip microcomputer process chip output terminal testing signal, is connected to user terminal through the RS485 communication chip.
Referring to accompanying drawing 6, digital quantity output unit structure has the 1st～6 relay, the 1st, 2 motors, the 1st～3 solenoid valve, alarm buzzer; Its 1st～6 relay output is connected to the 1st, 2 motors, the 1st～3 solenoid valve, alarm buzzer input end respectively; Its each end output signal connects the vacuum pump unit; Singlechip chip U1 output terminal switching value control signal is connected to relay driving module U2 input end respectively, and its output terminal is connected to the 1st～6 relay input end respectively.
Referring to accompanying drawing 7; In order system have been possessed report to the police with function setting such as shutdown automatically the switching value detection unit; This unit comprises motor cooling water testing module, anxious testing module, the 1st, 2 motor heat detection interface, the 1st, the 2 over current of motor protection modules of stopping; Its each testing module and the 1st, 2 motor heat detect the interface output terminal and are connected to singlechip chip U1 input end corresponding interface respectively, and its input end connects the vacuum pump switch amount respectively and detects output terminal.
The system works principle:
This system is with after the vacuum pump unit is connected, and processor of single chip computer U1 is regularly touring to detect the operation information of output signal, touch screen and user terminal of temperature, power, flow, pressure, humidity parameter value, the switching value detection unit of the output of A/D modular converter.When processor of single chip computer U1 detected certain A/D modular converter output parameter value above warning predefined parameter value, system reported to the police automatically or shuts down; When processor of single chip computer U1 detects switching value when unusual, system reports to the police automatically or shuts down; When processor of single chip computer U1 detects user's operating touch-screen user terminal output signal, when processor of single chip computer U1 according to user operation commands control vaccum pump unit operation or stop; The user can carry out parameter through touch screen and check the predetermined value of can also reporting to the police setting.
Claims (6)
1. a method that is used for the monitoring of photovoltaic apparatus vacuum pump is characterized in that comprising the steps:
Detect analog amount and switching value, and its detection limit is carried out fault judgement, have to get into the fault treatment subroutine when unusual, carry out fault treatment; Return then and detect analog amount and switching value step, continue detection limit is carried out fault judgement.
2. by the described method that is used for the monitoring of photovoltaic apparatus vacuum pump of claim 1, it is characterized in that: get into the touch screen operation instruction during fault-free and judge, get into operational order when operational order is arranged and handle subroutine, carry out operational order and handle; Return then and detect analog amount and switching value step, continue detection limit is carried out fault judgement.
3. by the described method that is used for the monitoring of photovoltaic apparatus vacuum pump of claim 2; It is characterized in that: get into the user terminal communication instruction during no touch screen operational order and judge; Entry communication instruction process subroutine when communication instruction is arranged; Carry out communication instruction and handle, return then and detect analog amount and switching value step, continue detection limit is carried out fault judgement.
4. by the described method that is used for the monitoring of photovoltaic apparatus vacuum pump of claim 3; It is characterized in that: get into the remote switch instruction during instruction of no user terminal called and judge subroutine; When being arranged, the remote switch instruction gets into remote switch instruction process subroutine; Carry out the remote switch instruction process, return then and detect analog amount and switching value step, continue detection limit is carried out fault judgement.
5. by the described method that is used for the monitoring of photovoltaic apparatus vacuum pump of claim 4, it is characterized in that: when no remote switch instructs, return and detect analog amount and switching value step, continue detection limit is carried out fault judgement.
6. realization system that is used for the method for photovoltaic apparatus vacuum pump monitoring, it is characterized in that: this system comprises single-chip microcomputer process chip (U1), relay driving module (U2), analog input unit, switching value detection unit and digital quantity output unit; Each sensor output terminal of its analog input unit is connected to the corresponding input end of single-chip microcomputer process chip (U1); Its output terminal testing signal is connected to touch screen through RS232 communication chip output terminal respectively; Be connected to user terminal through RS485 communication chip output terminal; Singlechip chip (U1) control signal output terminal is connected to relay driving module (U2) input end, its output termination digital quantity output unit input end, digital quantity output unit output termination pump assembly input end; The switching value detection unit output terminal that is connected with pump assembly is connected to single-chip microcomputer process chip (U1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010105764102A CN102562557A (en) | 2010-12-07 | 2010-12-07 | Method for monitoring vacuum pump of photovoltaic equipment and system for realizing method |
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| Application Number | Priority Date | Filing Date | Title |
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| CN2010105764102A CN102562557A (en) | 2010-12-07 | 2010-12-07 | Method for monitoring vacuum pump of photovoltaic equipment and system for realizing method |
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| CN102562557A true CN102562557A (en) | 2012-07-11 |
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| CN2010105764102A Pending CN102562557A (en) | 2010-12-07 | 2010-12-07 | Method for monitoring vacuum pump of photovoltaic equipment and system for realizing method |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103267023A (en) * | 2013-04-24 | 2013-08-28 | 深圳市生波尔机电设备有限公司 | Vacuum molecular pump control method and device based on text languages |
| CN107554509A (en) * | 2017-08-25 | 2018-01-09 | 北京新能源汽车股份有限公司 | Method of controlling security, system and the new-energy automobile of vavuum pump |
| CN110989496A (en) * | 2019-11-27 | 2020-04-10 | 苏州领裕电子科技有限公司 | PMC program-based automatic shutdown method for numerical control machine tool |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110989496A (en) * | 2019-11-27 | 2020-04-10 | 苏州领裕电子科技有限公司 | PMC program-based automatic shutdown method for numerical control machine tool |
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Application publication date: 20120711 |