CN102621492A - Detection device for switched reluctance generator - Google Patents
Detection device for switched reluctance generator Download PDFInfo
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- CN102621492A CN102621492A CN2012101017852A CN201210101785A CN102621492A CN 102621492 A CN102621492 A CN 102621492A CN 2012101017852 A CN2012101017852 A CN 2012101017852A CN 201210101785 A CN201210101785 A CN 201210101785A CN 102621492 A CN102621492 A CN 102621492A
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Abstract
The invention discloses a detection device for a switched reluctance generator. The detection device comprises a rotor position signal acquisition module, a voltage/current signal acquisition module, a singlechip, an upper computer communication module and an upper computer. The device disclosed by the invention has the following technical effects: 1, the detection device acquires a rotor position signal of a switched reluctance generator system and the voltage and current data of a direct current bus of a generator and respective phases of windings of the generator in real time and sends the rotor position signal and the voltage and current data to upper computer software for displaying in a manner of waveform time sequence, so that a user can learn about the working condition of the generator clearly; and the upper computer software processes and analyzes the data through a switched reluctance generator model, so that a control parameter serving as development debugging reference is calculated; and 2, signal transmission between the device and the switched reluctance generator and the signal transmission between the device and the upper computer are electrically isolated, so that interference to running of the generator is avoided.
Description
Technical field
The present invention relates to a kind of generator detection device.
Background technology
That switched reluctance machines has is simple in structure, inexpensive, detent torque are big, good speed adjustment features, fault-tolerance are high, be applicable to advantage such as operating mode complex environment, becomes one of popular motor of research.So far, it is ripe that the switched reluctance motor technical development has been tending towards, and switched reluctance motor is used in fields such as household electrical appliances, commercial production, automobile, aviations also more extensively.
In some special applications, need switched reluctance machines to be operated in the generator operation state, mechanical energy is converted into electric energy output.To improve the utilization factor of electric energy, automobile-used startup/generating one motor is with application such as saving space weight reductions like the motor regenerative braking.
At present, switch reluctance generator still is in conceptual phase, exists some technical barriers to need to be resolved hurrily, and closes the confirming of the angle of rupture, the angular advance amount of different rotating speeds, the tracking of peak power etc. like turn-on angle.If the electrical quantity in the generator is visual, and certain in addition intellectual analysis, its developing and debugging process will greatly be simplified.
Summary of the invention
The purpose of this invention is to provide a kind of switch reluctance generator pick-up unit.
Technical scheme of the present invention is a kind of switch reluctance generator pick-up unit: comprise rotor-position signal acquisition module, voltage/current signals acquisition module, single-chip microcomputer, host computer communication module and host computer composition:
Rotor-position signal acquisition module and the output of voltage/current signals acquisition module connect single-chip microcomputer and connect the host computer communication module; Host computer is depicted as the waveform sequential chart with the switch reluctance generator rotor-position signal that receives and each phase winding electric current and voltage data, and calculate phase winding the excitation turn-on angle, close the parameter of the angle of rupture, angular advance amount that different rotating speeds is corresponding.
Described rotor-position signal acquisition module comprises photoelectric isolating circuit, and photoelectric isolating circuit output edge fit is along catching circuits, and catching circuits output in edge connects timer conter, and clock output connects timer conter.
The voltage/current signals acquisition module comprises Hall voltage/current sensor, and Hall voltage/current sensor output connects buffer amplifier, and buffer amplifier output connects the AD Acquisition Circuit.
The present invention has following technique effect: 1, this device is gathered the electric current and voltage data of rotor-position signal, engine controller dc bus and each phase winding of generator of switch reluctance generator system in real time; Sequential mode shows when sending to upper computer software with waveform; The feasible working condition that can more clearly understand generator; And upper computer software combines the switch reluctance generator model to data Treatment Analysis in addition, obtains controlled variable and supplies the developing and debugging reference; 2, the electrical isolation mode is all taked in the transmission of the signal between this device and switch reluctance generator and the host computer, can not produce generator operation and disturb.
Description of drawings
Fig. 1 is a switch reluctance generator exploitation servicing unit block scheme.
Fig. 2 is the block scheme of rotor-position signal sampling module.
Fig. 3 is the block scheme of electric current and voltage sampling module.
Fig. 4 is a switch reluctance generator exploitation servicing unit user block diagram.
Fig. 5 is data frame structure figure;
Fig. 6 is a upper computer software host process process flow diagram;
Fig. 7 is a upper computer software switch reluctance generator model emulation process flow diagram.
Embodiment
Followingly explain with reference to the accompanying drawing embodiment that this device uses on 8/6 pole switching reluctance generator that develops simultaneously.
As shown in Figure 1, be switch reluctance generator pick-up unit block scheme, comprise rotor-position signal acquisition module 101, voltage/current signals acquisition module 102, single-chip microcomputer 103, host computer communication module 104 and host computer 105; The hopping edge of rotor-position signal acquisition module 101 capture switch reluctance generator rotor-position signals sends to single-chip microcomputer 103 with time interval of saltus step; Single-chip microcomputer 103 should segment 128 parts the time interval, and sample with the 102 pairs of switch reluctance generator controllers of time interval frequency control voltage current acquisition module after this segmentation and the electric current and voltage of each phase winding of generator; Single-chip microcomputer 103 is converted into generator speed at interval with bound-time, sends to host computer 105 with described rotor-position, rotating speed, electric current and voltage packing data and through host computer communication module 104.Host computer 105 shows the mode of the data that receive with the waveform sequential chart, and combines the switch reluctance generator model to carry out emulation, solves the controlled variable of switch reluctance generator 100.
In the present embodiment, the MPC82G516A single-chip microcomputer of single-chip microcomputer 103 employing Taiwan sheng, a reed pipe wind instrument spring companies.
Like Fig. 2, Fig. 3, shown in Figure 4; Rotor-position signal acquisition module 101 comprises photoelectric isolating circuit 201; Photoelectric isolating circuit 201 output edge fits are along catching circuits 202, and catching circuits 202 outputs in edge connect timer conter 203, and clock 204 outputs connect timer conter 203; Voltage/current signals acquisition module 102 comprises Hall voltage/ current sensor 301, and 301 outputs of Hall voltage/current sensor connect buffer amplifier 302, and buffer amplifier 302 outputs connect AD Acquisition Circuit 303; The switch reluctance generator rotor-position signal of switch reluctance generator 100 is through the photoelectric isolating circuit 201 of rotor-position signal acquisition module 101; Arrive edge catching circuits 202; When position signalling by low level to high level or by high level when low level is overturn; Edge catching circuits 202 outputs one signal is to timer conter 203, and clock 204 outputs connect timer conter 203, and timer conter 203 sends to single-chip microcomputer 103 with current moment value.Need to prove; Edge catching circuits 202 is integrated in the MPC82G516A single-chip microcomputer with timer conter 203 in the present embodiment; Describe for convenient here; Divide work two modules single-chip microcomputer kernel and integrated peripheral hardware; After the magnetoelectricity of the Hall voltage/current sensor 301 of each phase winding voltage/current signals of the switch reluctance generator controller dc bus of switch reluctance generator 100 and generator in electric current and voltage acquisition module 102 is isolated, arrive buffer amplifier 302 and carry out impedance conversion and signal processing and amplifying, to be fit to the input requirement of AD Acquisition Circuit 303.AD Acquisition Circuit 303 converts each aanalogvoltage current signal to digital signal and sends to single-chip microcomputer 103.
Shown in Figure 5, be the data frame structure figure of present embodiment; Frame is made up of frame head 401, frame number 402, data length 403, data content 404, check code 405, frame end mark 406 successively.Wherein data content is made up of rotor-position A01, rev a0 2, busbar voltage A03, bus current A04, A phase voltage A05, A phase current A06, B phase voltage A07, B phase current, C phase voltage, C phase current, D phase voltage, D phase current A08 successively; Because length is limit, and has omitted B phase current, C phase voltage, C phase current, D phase voltage in the accompanying drawing.Frame head 401 is fixed as sexadecimal 0x55AA in the present embodiment; Frame number 402 is since 0, and every transmission one frame data increase 1, and length is 4 bytes; Data length 403 is the byte length of data content 404; Check code 405 is for to begin from frame number 402 first bytes, to data between data content 404 last bytes by byte xor operation result, length is 1 byte.Frame end mark 406 is fixed as sexadecimal 0x5A5A.
As shown in Figure 6, be upper computer software host process process flow diagram; After opening program, at first operating procedure S501 opens the compunication port, prepares for receiving data.When single-chip microcomputer 103 after host computer sends packet, execution in step S502, receiving data frames; After one frame data received and finish, execution in step S503 took out data content 404 parts in the Frame successively; Execution in step S504 deposits data in buffer zone again, again execution in step S505; With digital graphics, draw rotor-position sequential chart, each voltage and current waveform.After one wheel operation executes, wait for that single-chip microcomputer 103 sends the next frame packet, execution in step S502 goes round and begins again like this, thus and thus demonstrates the duty of switch reluctance generator in real time.
As shown in Figure 7, be software switch reluctance generator model emulation process flow diagram in the host computer; After host computer 105 receives greater than the switch reluctance generator data in 100 1 electric cycles; Just can move simulation flow: be written into switch reluctance generator model S601; Receive data importing model S602; Beginning simulation analysis S603, process finished to return after output simulation result S604 was accomplished in emulation.
When turning over 60 degree, switched reluctance machines 100 rotors are an electric cycle.The employed switch reluctance generator realistic model of present embodiment can the solving-optimizing switch reluctance generator phase excitation turn-on angle, close the angle of rupture, provide the angular advance amount parameter under the different rotating speeds.
Claims (3)
1. switch reluctance generator pick-up unit is characterized in that: comprise that rotor-position signal acquisition module (101), voltage/current signals acquisition module (102), single-chip microcomputer (103), host computer communication module (104) and host computer (105) form:
Rotor-position signal acquisition module (101) and voltage/current signals acquisition module (102) output connect single-chip microcomputer (103) and connect host computer communication module (104); Host computer (105) is depicted as the waveform sequential chart with the switch reluctance generator rotor-position signal that receives and each phase winding electric current and voltage data, and calculate phase winding the excitation turn-on angle, close the parameter of the angle of rupture, angular advance amount that different rotating speeds is corresponding.
2. switch reluctance generator pick-up unit according to claim 1; It is characterized in that: described rotor-position signal acquisition module (101) comprises photoelectric isolating circuit (201); Photoelectric isolating circuit (201) output edge fit is along catching circuits (202); Edge catching circuits (202) output connects timer conter (203), and clock (204) output connects timer conter (203).
3. switch reluctance generator pick-up unit according to claim 1; It is characterized in that: voltage/current signals acquisition module (102) comprises Hall voltage/current sensor (301); Hall voltage/current sensor (301) output connects buffer amplifier (302), and buffer amplifier (302) output connects AD Acquisition Circuit (303).
Priority Applications (1)
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| CN2012101017852A CN102621492A (en) | 2012-04-02 | 2012-04-02 | Detection device for switched reluctance generator |
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| CN2012101017852A CN102621492A (en) | 2012-04-02 | 2012-04-02 | Detection device for switched reluctance generator |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103616637A (en) * | 2013-11-12 | 2014-03-05 | 北京航空航天大学 | Permanent-magnet synchronous motor simulator |
| CN105182234A (en) * | 2015-08-31 | 2015-12-23 | 湘潭大学 | Diagnosis method for fault of switch member of switch magnetic resistance generator under separate excitation mode |
| CN107145097A (en) * | 2017-04-10 | 2017-09-08 | 北京德威特继保自动化科技股份有限公司 | Low-voltage intelligent is switched and its data processing method, storage medium and processor |
| CN109116236A (en) * | 2018-09-27 | 2019-01-01 | 天津工业大学 | A kind of switched reluctance machines remote distributed monitoring system |
| CN110829913A (en) * | 2018-08-10 | 2020-02-21 | 济南吉美乐电源技术有限公司 | Calibration method for zero initial angle of switched reluctance generator |
| CN112147971A (en) * | 2019-06-28 | 2020-12-29 | 比亚迪股份有限公司 | Electronic door controller, debugging method and device thereof, storage medium and vehicle |
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103616637A (en) * | 2013-11-12 | 2014-03-05 | 北京航空航天大学 | Permanent-magnet synchronous motor simulator |
| CN103616637B (en) * | 2013-11-12 | 2016-02-24 | 北京航空航天大学 | Permasyn morot simulator |
| CN105182234A (en) * | 2015-08-31 | 2015-12-23 | 湘潭大学 | Diagnosis method for fault of switch member of switch magnetic resistance generator under separate excitation mode |
| CN105182234B (en) * | 2015-08-31 | 2018-07-17 | 湘潭大学 | It is a kind of it encourage the diagnostic method of pattern lower switch reluctance generator switching device failure |
| CN107145097A (en) * | 2017-04-10 | 2017-09-08 | 北京德威特继保自动化科技股份有限公司 | Low-voltage intelligent is switched and its data processing method, storage medium and processor |
| CN107145097B (en) * | 2017-04-10 | 2019-09-13 | 北京德威特电气科技股份有限公司 | Low-voltage intelligent switch and its data processing method, storage medium and processor |
| CN110829913A (en) * | 2018-08-10 | 2020-02-21 | 济南吉美乐电源技术有限公司 | Calibration method for zero initial angle of switched reluctance generator |
| CN109116236A (en) * | 2018-09-27 | 2019-01-01 | 天津工业大学 | A kind of switched reluctance machines remote distributed monitoring system |
| CN109116236B (en) * | 2018-09-27 | 2023-11-03 | 天津工业大学 | Remote distributed monitoring system for switched reluctance motor |
| CN112147971A (en) * | 2019-06-28 | 2020-12-29 | 比亚迪股份有限公司 | Electronic door controller, debugging method and device thereof, storage medium and vehicle |
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Application publication date: 20120801 |