CN205175551U - Wind generating set vibration detection system based on DSP - Google Patents
Wind generating set vibration detection system based on DSP Download PDFInfo
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- CN205175551U CN205175551U CN201520901817.6U CN201520901817U CN205175551U CN 205175551 U CN205175551 U CN 205175551U CN 201520901817 U CN201520901817 U CN 201520901817U CN 205175551 U CN205175551 U CN 205175551U
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Abstract
The utility model relates to a wind generating set vibration detection system based on DSP (b), (b) comprises piezoelectric acceleration sensor acquisition circuit, anti -aliasing low pass filter, voltage modulate circuit, power module, crystal oscillator module, F28335DSP chip, watchdog module, CAN module, SCI communication module and host computer. Piezoelectric acceleration sensor acquisition circuit is responsible for gathering the signal, and the signal of gathering carries out filtering through anti -aliasing low pass filter to be handled, then by the voltage modulate circuit with voltage 0~3V within range of offseting, scope that the AD converting circuit that makes it to be in DSP handled, the DSP process information of being convenient for. Information after DSP handles is transmitted for the host computer through CAN module and SCI communication module. For the consumption that reduces the DSP chip, power module adopts dual power supply, receives external disturbance to cause program fleet or deadlock when DSP information monitoring, can realize making procedure normal operating by DSP automatic re -setting through the watchdog module. The utility model discloses can realize that DSP gathers wind generating set vibration information to convenient to use, easy operation are sent for the host computer to the information that will gather after the analysis.
Description
Technical field
The utility model relates to Wind turbines failure data acquisition, belongs to failure data acquisition technical field.
Background technology
In recent years, society advocates low-carbon (LC) life, and vigor generating is polluted very serious to the living environment of people, hydropower causes serious destruction to the circulation of the ecosystem again.So the development of new forms of energy just shows impayable effect, compared to the high cost of solar electrical energy generation, wind-power electricity generation can greatly reduce cost, but just need to diagnose confirmation as early as possible once run into failure problems, otherwise equipment failure will expand, and causes loss difficult to the appraisal.According to relevant data analysis, the incidence of application monitoring system accident can reduce by 75%, and maintenance cost can reduce 25% ~ 50%.
The topmost problem of current wind generator set monitoring system is exactly how to reduce the burst accident of Wind turbines key position, how to reduce the maintenance cost of unit and improve generating efficiency, and these become the investment of following wind-powered electricity generation, build and safeguard the problem that must solve.A large amount of facts and data show, vibration monitor system is for the performance state understanding complex apparatus, find incipient fault early, that guarantees engineering has completed vital effect, can improve the operational management of equipment and reduce maintenance cost in economic benefit.
Therefore, make early warning in advance to fault, the maintenance management expense of power generating ratio, improve the operational reliability of wind-powered electricity generation year unit, the development of Wind turbines monitoring system is most important.
Summary of the invention
The technical problems to be solved in the utility model is to provide a kind of vibration of wind generating set detection system based on DSP.
The utility model is a kind of vibration of wind generating set detection system based on DSP, and this system mainly comprises: piezoelectric acceleration sensor Acquisition Circuit, anti-aliasing low-pass filter, voltage modulate circuit, power module, crystal oscillator module, F28335DSP chip, watchdog module, CAN module, SCI communication module and host computer.Piezoelectric acceleration sensor Acquisition Circuit is responsible for collection signal, the signal collected carries out filtering process through anti-aliasing low-pass filter, then by voltage modulate circuit by voltage bias within the scope of 0 ~ 3V, make it the scope of the A/D change-over circuit process being in DSP, be convenient to DSP process information.Information after DSP process is transferred to host computer through CAN module and SCI communication module.In order to reduce the power consumption of dsp chip, power module adopts dual power supply, causes program fleet or deadlock, can realize DSP and automatically reset, make normal program operation by watchdog module when DSP Information Monitoring by external interference.The utility model can realize DSP and gather vibration of wind generating set information, and the information collected is sent to host computer by analysis afterwards, easy to use, simple to operate.
As preferably, the communication system between DSP and host computer is made up of CAN module and SCI communication module.
As preferably, described system has voltage modulate circuit between anti-aliasing low-pass filter circuit and dsp chip.
The beneficial effects of the utility model are: can realize automatically detecting, be convenient to the fault finding genset early, shorten the time of maintenance, improve security, easy to use, simple to operate.
Accompanying drawing illustrates:
For ease of illustrating, the utility model is described in detail by following concrete enforcement and accompanying drawing.
Fig. 1 is the structured flowchart of system;
Piezoelectric acceleration sensor Acquisition Circuit, anti-aliasing low-pass filter, voltage modulate circuit, power module, crystal oscillator module, F28335DSP chip, watchdog module, CAN module, SCI communication module and host computer is mainly comprised in Fig. 1.
Embodiment:
For making the purpose of this utility model, technical scheme and advantage clearly understand, below by the specific embodiment shown in accompanying drawing, the utility model is described.But should be appreciated that, these describe just exemplary, and do not really want to limit scope of the present utility model.In addition, in the following description, the description to known features and technology is eliminated, to avoid unnecessarily obscuring concept of the present utility model.
By reference to the accompanying drawings to being originally described in further detail, accompanying drawing is the schematic diagram of simplification, and this basic structure is only described in a schematic way, and therefore it only shows the structure relevant with this.
As shown in Figure 1, this embodiment is by the following technical solutions: a kind of vibration of wind generating set detection system based on DSP, is made up of piezoelectric acceleration sensor Acquisition Circuit, anti-aliasing low-pass filter, voltage modulate circuit, power module, crystal oscillator module, F28335DSP chip, watchdog module, CAN module, SCI communication module and host computer.Piezoelectric acceleration sensor Acquisition Circuit is responsible for collection signal, the signal collected carries out filtering process through anti-aliasing low-pass filter, then by voltage modulate circuit by voltage bias within the scope of 0 ~ 3V, make it the scope of the A/D change-over circuit process being in DSP, be convenient to DSP process information.Information after DSP process is transferred to host computer through CAN module and SCI communication module.In order to reduce the power consumption of dsp chip, power module adopts dual power supply, causes program fleet or deadlock, can realize DSP and automatically reset, make normal program operation by watchdog module when DSP Information Monitoring by external interference.The utility model can realize DSP and gather vibration of wind generating set information, and the information collected is sent to host computer by analysis afterwards, easy to use, simple to operate.
More than show and describe ultimate principle of the present utility model and principal character and advantage of the present utility model.The technician of the industry should understand; the utility model is not restricted to the described embodiments; what describe in above-described embodiment and instructions just illustrates principle of the present utility model; under the prerequisite not departing from the utility model spirit and scope; the utility model also has various changes and modifications, and these changes and improvements all fall within the scope of claimed the utility model.The claimed scope of the utility model is defined by appending claims and equivalent thereof.
Claims (3)
1. the vibration of wind generating set detection system based on DSP, it is characterized in that, it comprises piezoelectric acceleration sensor Acquisition Circuit, anti-aliasing low-pass filter, voltage modulate circuit, power module, crystal oscillator module, F28335DSP chip, watchdog module, CAN module, SCI communication module and host computer, piezoelectric acceleration sensor Acquisition Circuit is responsible for collection signal, the signal collected carries out filtering process through anti-aliasing low-pass filter, then by voltage modulate circuit by voltage bias within the scope of 0 ~ 3V, make it the scope of the A/D change-over circuit process being in DSP, be convenient to DSP process information, information after DSP process is transferred to host computer through CAN module and SCI communication module, in order to reduce the power consumption of dsp chip, power module adopts dual power supply.
2. a kind of vibration of wind generating set detection system based on DSP according to claim 1, is characterized in that: the communication system between described DSP and host computer is made up of CAN module and SCI communication module.
3. a kind of vibration of wind generating set detection system based on DSP according to claim 1, is characterized in that: described system has voltage modulate circuit between anti-aliasing low-pass filter and dsp chip.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520901817.6U CN205175551U (en) | 2015-11-13 | 2015-11-13 | Wind generating set vibration detection system based on DSP |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520901817.6U CN205175551U (en) | 2015-11-13 | 2015-11-13 | Wind generating set vibration detection system based on DSP |
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| Publication Number | Publication Date |
|---|---|
| CN205175551U true CN205175551U (en) | 2016-04-20 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201520901817.6U Expired - Fee Related CN205175551U (en) | 2015-11-13 | 2015-11-13 | Wind generating set vibration detection system based on DSP |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110333079A (en) * | 2019-06-25 | 2019-10-15 | 南京伟业燃油喷射技术有限公司 | A kind of diesel engine comprehensive parameter tester and measuring method |
-
2015
- 2015-11-13 CN CN201520901817.6U patent/CN205175551U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110333079A (en) * | 2019-06-25 | 2019-10-15 | 南京伟业燃油喷射技术有限公司 | A kind of diesel engine comprehensive parameter tester and measuring method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160420 Termination date: 20181113 |
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| CF01 | Termination of patent right due to non-payment of annual fee |