CN109026383A - A kind of supercharger speed monitoring record and fault pre-alarming device and method for early warning - Google Patents
A kind of supercharger speed monitoring record and fault pre-alarming device and method for early warning Download PDFInfo
- Publication number
- CN109026383A CN109026383A CN201810746482.3A CN201810746482A CN109026383A CN 109026383 A CN109026383 A CN 109026383A CN 201810746482 A CN201810746482 A CN 201810746482A CN 109026383 A CN109026383 A CN 109026383A
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- China
- Prior art keywords
- module
- booster
- early warning
- hypervelocity
- chip microcontroller
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
- F02B77/00—Component parts, details or accessories, not otherwise provided for
- F02B77/08—Safety, indicating, or supervising devices
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
- F02B39/00—Component parts, details, or accessories relating to, driven charging or scavenging pumps, not provided for in groups F02B33/00 - F02B37/00
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Supercharger (AREA)
Abstract
The invention belongs to booster measurement and control areas, more particularly to a kind of supercharger speed monitoring record and prior-warning device and method for early warning, including single-chip microcontroller and the measurement of rotating speed circuit being connect with single-chip microcontroller, clock module, revolving speed output module, warning module, power module and memory module, the output end of the connection of the input terminal of the measurement of rotating speed circuit and clock module and single-chip microcontroller, the rate-of-turn record module, revolving speed output module and warning module and single-chip microcontroller connects.In addition the service life warning function in the present invention also relies on rate-of-turn record function to be applied in booster observing and controlling for the first time, safeguards convenient for booster daily maintenance, improves the safety and reliability that booster uses.
Description
Technical field
The invention belongs to booster measurement and control areas, and in particular to a kind of supercharger speed monitoring record and prior-warning device and pre-
Alarm method.
Background technique
The main function of booster is exactly the air inflow for increasing engine, improves power to reach, improves economy, changes
The purpose of kind discharge.In recent years, the use of booster constantly upgrades with the promotion demand of main engine plants' engine power, arranges simultaneously
The upgrading for putting standard also promotes the market occupancy volume of booster substantially to increase.The performance of booster directly affects hair whether stabilization
The even running of motivation, therefore booster already becomes the pith of engine complete machine, domestic supercharger speed is surveyed at present
The function of only having the monitoring real-time revolving speed of booster is set in trial assembly, if laboratory wants that carry out rotary speed data record passes through revolution counter mostly
Installation capture card is just achievable after connecting with host computer after revolving speed output, and rotary speed data just can not be recorded after factory.Especially work as increasing
Depressor after breaking down many situations can not trace the failure cause of booster, failure cause can not be accurately positioned to mobilizing owner
Machine factory and booster factory commercial city are a kind of shortcoming.Fault pre-alarming for booster is even more blank, most main engine plants at present
It can only accomplish overspeed warning.Therefore, a kind of supercharger speed monitoring record and prior-warning device are invented and method for early warning is very must
It wants.
Summary of the invention
In order to make up and improve above-mentioned the deficiencies in the prior art, the present invention provide a kind of supercharger speed monitoring record and
Prior-warning device and method for early warning, the device can realize supercharger speed overspeed warning and the early warning of booster service life, and to booster
Revolving speed is monitored record.
In order to solve the above-mentioned technical problem, the technical solution adopted by the present invention are as follows:
A kind of supercharger speed monitoring record and fault pre-alarming device, including single-chip microcontroller and the measurement of rotating speed being connect with single-chip microcontroller
Circuit, clock module, revolving speed output module, rate-of-turn record module, warning module, power module and memory module, the revolving speed
The input terminal for testing circuit and clock module and single-chip microcontroller connects, the rate-of-turn record module, revolving speed output module and early warning mould
The connection of the output end of block and single-chip microcontroller.
The memory module includes revolving speed memory module and hypervelocity memory module, and the revolving speed memory module and hypervelocity store
Module is connect with single-chip microcontroller.
The revolving speed memory module uses readable and writable memory, and the hypervelocity memory module uses read-only memory.
The power module uses dual power supply module.
The dual power supply module includes DC power supplier, AC power supply module, diode one and diode two, institute
It states diode one and diode two is connect with DC power supplier, the AC power supply module passes through diode one and direct current
Source module connection.
A kind of booster method for early warning, the described method comprises the following steps:
The booster of S1, the tach signal for acquiring booster, record add up operation duration；
S2, early warning is issued according to the S1 tach signal used and operation duration, when revolving speed reaches given threshold starting hypervelocity in advance
Alert, currently accumulative operation duration reaches Start-up life early warning after threshold value.
Collected supercharger speed signal is divided into overspeed signal and tach signal, and overspeed signal and tach signal are stored up
It deposits, and records the accumulative operation duration of hypervelocity.
Tach signal is stored by revolving speed memory module；Overspeed signal is by hypervelocity memory module storage, and when will exceed the speed limit
Hypervelocity memory module is written in long conversion to time duration.
Service life early warning loses algorithm using factory preset experiment life time and hypervelocity, makes early warning to the booster service life.
The prewarning service life duration and hypervelocity are lost algorithm and can be constantly modified by the increase of subsequent rate-of-turn record data.
Compared with prior art, the present invention having the beneficial effect that
The present invention is capable of the speed measuring function and supercharger speed writing function, hypervelocity rate-of-turn record function of separate unit realization conventional rotating speed table
Energy and warning function.In addition to the real-time revolving speed of booster can be monitored, when also can record supercharger speed, hypervelocity revolving speed and accumulative operation
Between, and overspeed warning and service life warning function can be carried out by setting database in device.
Wherein failure reason analysis of the distinctive rate-of-turn record function especially for failure booster, sample Mishap Database
Foundation, the retrospect of failure cause, failure reason analysis and product improvement provide foundation.In addition the service life early warning function in the present invention
It can also rely on rate-of-turn record function to be applied in booster observing and controlling for the first time, be safeguarded convenient for booster daily maintenance, improve pressurization
The safety and reliability that device uses.
Detailed description of the invention
Fig. 1 is a preferred embodiment of the present invention circuit connection block diagram；
Fig. 2 is a preferred embodiment of the present invention front view；
Fig. 3 is a preferred embodiment of the present invention operation principle schematic diagram；
Fig. 4 is a preferred embodiment of the present invention the schematic diagram that supplies power with double circuit；
Fig. 5 is a preferred embodiment of the present invention hypervelocity service life schematic diagram.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
As shown in Figure 1, a kind of supercharger speed monitoring record and fault pre-alarming device include: measurement of rotating speed circuit, monolithic
Machine, rate-of-turn record module, clock module, revolving speed output module and warning module.Measurement of rotating speed circuit connection is to the defeated of single-chip microcontroller
Enter end, the output end of single-chip microcontroller is connected with rate-of-turn record module, revolving speed output module, clock module and warning module.Pass through electricity
Source module provides electric power, is stored by memory module to data.
Tach signal is converted into TTL square-wave signal by measurement of rotating speed circuit, and rate-of-turn record module records rotary speed information, revolving speed
Output module exports current rotating speed signal, and clock module provides system time reference information, and warning module issues warning signal, single
Piece machine is completed the execution of IO Command by setting formula.
It as shown in the front view of a preferred embodiment of the present invention in Fig. 2, is mainly made of three parts: viewing area, key
Area and status display area.Wherein viewing area is mainly made of two HS320401K-24 charactrons, is mainly used for revolving speed and is shown, together
Shi Peihe key makees human-computer interaction interface use when carrying out parameter setting；Status display area is made of three light emitting diodes,
It is used separately as: device running LED, external storage media failure lamp and early-warning lamp.
Acquire the accumulative operation duration that booster is recorded in the tach signal and memory module of current booster device；Single-chip microcontroller
Determined whether to issue early warning according to information above.Current rotating speed reaches given threshold starting overspeed warning, currently when accumulative operation
It is long to reach Start-up life early warning after threshold value, and the light emitting diode in state of a control instruction area lights.
Memory module includes revolving speed memory module (mass storage) and hypervelocity memory module (small-capacity memory), is turned
Fast memory module and hypervelocity memory module are connect with single-chip microcontroller
As shown in the operation principle schematic diagram of a preferred embodiment of the present invention in Fig. 3, supercharger speed monitoring record and failure are pre-
Enter the mode that tests the speed after alarm device starting and external mass storage be written into current rotating speed if supercharger speed does not exceed the speed limit,
Write cycle can set according to actual needs, and the present embodiment is written by the interval 1s, while little Rong is written in booster runing time
It measures in memory.
When booster overspeed: overspeed warning starting, early warning indicator light flashing in status display area, overspeed warning after
Electric appliance normally opened contact closure.It simultaneously will hypervelocity tachometer value and time of origin is written in external small-capacity memory and external large capacity
In memory, hypervelocity duration is converted to time duration and is written in external small-capacity memory.
The accumulative fortune of booster after starting of the embodiment of the present invention simultaneously in the external small-capacity memory of single-chip microcontroller timing acquiring
Row duration, reaches Start-up life early warning after the threshold value of single-chip microcontroller factory setting, and the early-warning lamp of status display area is always on.
Clock reference described in the embodiment of the present invention is mainly that rate-of-turn record provides temporal information, can pass through pressing in attached drawing 1
The setting of key progress date and time.
If a preferred embodiment of the present invention supplies power with double circuit shown in schematic diagram in Fig. 4, the embodiment of the present invention is using two-way electricity
Source power supply mode, outer to connect AC power supply module input terminal for 220VAC, output 24VDC is connected to diode two (D2) anode, D2
Cathode connects DC power supplier input terminal and is connected, and outer to connect diode one (D1) anode for 10 ~ 36VDC, D1 cathode connects DC power supply
Module input, DC power supplier export 5VDC.The effect of D1, D2 are to prevent 24VDC and 10 ~ 36VDC duplex feeding system
Conflict is generated, another aspect D1 can also prevent outer for DC power supply reversal connection.
Single-chip microcontroller model described in above-mentioned preferred embodiment selects MC9S12XS128；The external mass storage choosing
With micro SD card；The external small-capacity memory chip selects AT45DB161；The clock module chip is selected
DS1302；The DC power supplier chip selects LM2675M-5.0；The AC power supply module selects HE24P24LRN；Institute
It states diode D1, D2 and selects 1N5822SMA3A.
A preferable booster method for early warning embodiment of the invention, including two warning functions: being that supercharger speed is super respectively
Fast early warning and the early warning of booster service life.
Tach signal is sent into single-chip microcontroller by measurement of rotating speed circuit, and single-chip microcontroller in current rotating speed and Data Flash first to depositing
The booster design running speed upper limit of storage is compared, if the operation starting counter A within the scope of setting speed, if super
Fast section operation starting counter B, two counter independent operatings and one and only one the interior counting of same time.
Current rotating speed will be by by setting time interval deposit external mass storage, which includes current booster device
Rotary speed information and current date (date) information and time (Hour Minute Second) information, storage time interval can according to key zone into
Row sets itself, the present embodiment set minimum interval as 0.5s, can optimize setting by the multiple of 0.5s.
If booster overspeed, runing time will be brought into single-chip microcontroller and lose formula operation, while single-chip microcontroller
By the run-time updating in the setting speed into the external small-capacity memory executed by single-chip microcontroller, the embodiment is with 1 point
Clock is time-count cycle, and timer A completes timing, and single-chip microcontroller reads the accumulated running time in small-capacity memory, and when by this
Between plus 1 after cover data information under the address, if booster overspeed, stop counter A, starting hypervelocity counter B.
The runing time recorded in counter A is directly accumulative to be charged in small-capacity memory, and the counter B time will be according to folding
It damages and adds up in write-in small-capacity memory after formula calculates, used in embodiment and lose formula: T=ks Tos, wherein losing coefficient
Ks is by tabling look-up and can obtain.It is further illustrated below and loses how coefficient table obtains, as shown in Fig. 4, abscissa is to turn in figure
Speed value S0 is booster design maximum speed, and Sb is that booster hypervelocity destroys revolving speed point, and T is booster design service life, if
The service life of booster is Ts at revolving speed Sn, at this time ks=T/TS.
Wherein as shown in A in Fig. 5, factory booster does not exceed the speed limit limit of rupture rotary speed data, can a virtual hypervelocity
Breakdown point S0, the value small compared with theoretical value 10% are preferable；As shown in B in Fig. 5, factory booster only hypervelocity limit of rupture revolving speed number
According to when, can determine the position S0, in Fig. 5 A, B be linear function, it is clear that with booster actual life curve graph gap compared with
Greatly, when us as the usage quantity of user increases, the data of sample database are continuously increased, the targeted graphical of the life curve
As shown in C figure in Fig. 5.
Whole running speed data of one booster record from dispatching from the factory to breaking down will be deposited as a full sample
Enter the machine type data library, wherein streaking portion can carry out hypervelocity duration statistics by several sections are divided into according to several revolving speed points.
When sample is increasing, service life warning data table will be constantly corrected, while Theoretical Design service life duration can be also corrected.It needs
Further illustrate, booster service life warning function needs to have condition: the invention device makes as booster factory one integral
With revised tables of data, which does online product in a manner of software upgrading, to be updated.
Only presently preferred embodiments of the present invention is explained in detail above, but the present invention is not limited to above-described embodiment,
Within the knowledge of a person skilled in the art, it can also make without departing from the purpose of the present invention each
Kind variation, various change should all be included in the protection scope of the present invention.
Claims (10)
1. a kind of supercharger speed monitoring record and fault pre-alarming device, it is characterised in that: including single-chip microcontroller and and single-chip microcontroller
Measurement of rotating speed circuit, clock module, revolving speed output module, rate-of-turn record module, warning module, power module and the storage of connection
The connection of the input terminal of module, the measurement of rotating speed circuit and clock module and single-chip microcontroller, the rate-of-turn record module, revolving speed output
The connection of the output end of module and warning module and single-chip microcontroller.
2. a kind of supercharger speed monitoring record according to claim 1 and fault pre-alarming device, it is characterised in that: described
Memory module includes revolving speed memory module and hypervelocity memory module, the revolving speed memory module and exceeds the speed limit memory module and monolithic
Machine connection.
3. a kind of supercharger speed monitoring record according to claim 2 and fault pre-alarming device, it is characterised in that: described
Revolving speed memory module uses readable and writable memory, and the hypervelocity memory module uses read-only memory.
4. a kind of supercharger speed monitoring record according to claim 1 and fault pre-alarming device, it is characterised in that: described
Power module uses dual power supply module.
5. a kind of supercharger speed monitoring record according to claim 4 and fault pre-alarming device, it is characterised in that: described
Dual power supply module includes DC power supplier, AC power supply module, diode one and diode two, one He of diode
Diode two is connect with DC power supplier, and the AC power supply module is connect by diode one with DC power supplier.
6. a kind of booster method for early warning, which is characterized in that the described method comprises the following steps:
The booster of S1, the tach signal for acquiring booster, record add up operation duration；
S2, early warning is issued according to the S1 tach signal used and operation duration, when revolving speed reaches given threshold starting hypervelocity in advance
Alert, currently accumulative operation duration reaches Start-up life early warning after threshold value.
7. a kind of booster method for early warning according to claim 6, feature exist: collected supercharger speed signal point
For overspeed signal and tach signal, overspeed signal and tach signal are stored, and record the accumulative operation duration of hypervelocity.
8. a kind of booster method for early warning according to claim 7, feature exist: tach signal passes through revolving speed memory module
Storage；Hypervelocity duration is converted to time duration and hypervelocity memory module is written by overspeed signal by hypervelocity memory module storage.
9. a kind of booster method for early warning according to claim 6, feature exist: service life early warning is using factory preset experiment
Life time and hypervelocity lose algorithm, make early warning to the booster service life.
10. a kind of booster method for early warning according to claim 9, feature exist: the prewarning service life duration and hypervelocity folding
Damage algorithm can be constantly modified by the increase of subsequent rate-of-turn record data.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810746482.3A CN109026383A (en) | 2018-07-09 | 2018-07-09 | A kind of supercharger speed monitoring record and fault pre-alarming device and method for early warning |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810746482.3A CN109026383A (en) | 2018-07-09 | 2018-07-09 | A kind of supercharger speed monitoring record and fault pre-alarming device and method for early warning |
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| CN109026383A true CN109026383A (en) | 2018-12-18 |
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| CN106939825A (en) * | 2015-10-29 | 2017-07-11 | 范戴尼超级涡轮有限公司 | Driven turbine wheel turbocharger control systems and its control method based on compressor characteristics line chart |
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| CN1896471A (en) * | 2005-07-05 | 2007-01-17 | 玛涅蒂玛瑞利动力系公开有限公司 | A method and device for controlling the speed of rotation of a turbosupercharger in an internal-combustion engine |
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Application publication date: 20181218 |