CN204013313U - A kind of double winding regeneration field switch reluctance motor - Google Patents

A kind of double winding regeneration field switch reluctance motor Download PDF

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Publication number
CN204013313U
CN204013313U CN201420490133.7U CN201420490133U CN204013313U CN 204013313 U CN204013313 U CN 204013313U CN 201420490133 U CN201420490133 U CN 201420490133U CN 204013313 U CN204013313 U CN 204013313U
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CN
China
Prior art keywords
winding
regeneration
afterflow
reluctance motor
excitation
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn - After Issue
Application number
CN201420490133.7U
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Chinese (zh)
Inventor
黄运生
吴国良
段鑫
曾瑜
蒋湘君
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HU NAN UNSEAL TIMES ELECTRONICS INFORMATION TECHNOLOGY CO LTD
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HU NAN UNSEAL TIMES ELECTRONICS INFORMATION TECHNOLOGY CO LTD
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Priority to CN201420490133.7U priority Critical patent/CN204013313U/en
Application granted granted Critical
Publication of CN204013313U publication Critical patent/CN204013313U/en
Withdrawn - After Issue legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

The utility model discloses a kind of double winding regeneration field switch reluctance motor, it comprises excitation winding again, switching tube and continued flow tube on excitation winding in main pole, auxiliary magnetic pole, main pole, afterflow winding, auxiliary magnetic pole, and described continued flow tube, afterflow winding, excitation winding is concatenated into a loop again.The utility model is fed to power supply by afterflow winding store electrical energy at script between the afterflow period by general double winding regeneration field switch reluctance motor and becomes to the power supply of the excitation winding again excitation on auxiliary magnetic pole, motor converts electrical energy into mechanical energy again, be of value to the performance of improving motor, improve operational efficiency.

Description

A kind of double winding regeneration field switch reluctance motor
Technical field
The utility model relates to power electronics and electric drive field, particularly a kind of double winding regeneration field switch reluctance motor.
Background technology
Along with the development of power electronics and electric drive control technology, the manufacturing technology of switched reluctance machines and control technology development are rapidly.Switched reluctance drive systems obtains the consistent accreditation in electric drive field with its good energy index and energy-efficient performance.But as a kind of novel speed-adjusting driving system, its research history is also shorter, the technical field relating to is also many, also need perfect at aspects such as electric machine theory, design of electrical motor and control strategies, need continue to optimize design of electrical motor and control parameter, giving full play to the advantage that switched reluctance machines is simple in structure, cost is low and wide speed regulating range efficiency is high, energy index is good.
At present, the kind of switched reluctance machines structure and power conversion circuit is more, dissimilar have its pluses and minuses, double winding regeneration field switch reluctance motor is exactly wherein a kind of, Fig. 1 is the power converter circuit figure of general double winding regeneration field switch reluctance motor, from circuit structure, bifilar and around two identical windings on each phase magnetic pole of the stator, i.e. winding W1 and winding W2.In the time that switch transistor T 1 conducting is powered to winding W1, main winding W1 converts electrical energy into mechanical energy in setting up magnetic field energy, and in this stage winding W2, the polarity of induced electromotive force e2 is lower just upper negative, diode D1 cut-off, no current in winding W2; In the time that switch transistor T 1 is turn-offed, according to inductance physical characteristic, in winding W2 the polarity of induced electromotive force e2 be lower negative on just, diode D1 is because bearing positive bias conducting, electromotive force e2 is fed to electric energy to power supply, i.e. afterflow effect.From motor winding construction and afterflow mode, it is low that general double winding regeneration field switch reluctance motor exists winding utilization, when afterflow, power supply U impacted greatly, easily produces the shortcoming of braking moment in afterflow process, affects the operational efficiency of motor.
Utility model content
In order to solve the problems of the technologies described above, the utility model provides a kind of high double winding regeneration field switch reluctance motor of afterflow impact, operational efficiency that effectively reduces.
The technical scheme that the utility model solves the problems of the technologies described above is: a kind of double winding regeneration field switch reluctance motor, comprise the W3 of excitation winding again, switching tube and continued flow tube on excitation winding W1 in main pole, auxiliary magnetic pole, main pole and afterflow winding W2, auxiliary magnetic pole, it is characterized in that: also comprise auxiliary magnetic pole and be located at the W3 of excitation winding again on auxiliary magnetic pole, described continued flow tube, afterflow winding W2, excitation winding W3 is concatenated into a loop again.
In above-mentioned double winding regeneration field switch reluctance motor, described continued flow tube is diode.
In above-mentioned double winding regeneration field switch reluctance motor, described continued flow tube is triode.
In above-mentioned double winding regeneration field switch reluctance motor, the excitation winding W1 in described main pole is composed in series by two identical windings along polarity.
Technique effect of the present utility model is: the utility model is originally fed to power supply by afterflow winding store electrical energy by general double winding regeneration field switch reluctance motor between the afterflow period, become through afterflow winding to the power supply of the excitation winding again excitation on another magnetic pole, motor converts electrical energy into mechanical energy again, impact to power supply while having reduced like this afterflow, improve the reliability of machine operation, and improved the operational efficiency of motor.
Below in conjunction with drawings and Examples, the utility model is described in further detail.
Brief description of the drawings
Fig. 1 is general double winding power conversion circuit figure in prior art.
Fig. 2 is power conversion circuit figure of the present utility model.
Fig. 3 is inductance, electric current, the torque curve of double winding regeneration exciting power translation circuit of the present utility model.
Fig. 4 is single phase power supply 4/2 pole switching reluctance electric machine structure schematic diagram of the present utility model.
Fig. 5 is another kind of power conversion circuit figure of the present utility model.
Embodiment
Referring to Fig. 2, Fig. 2 is power conversion circuit of the present utility model.It comprises winding W1, winding W2, winding W3, power supply U, switch transistor T 1 and diode D1, described winding W1 has Same Name of Ends mark end to be connected with the anode of power supply U, winding W1 different name end is connected with the C pin of switch transistor T 1, and the E pin of switch transistor T 1 is connected with the negative terminal of power supply U and forms major loop; Described winding W2 has Same Name of Ends mark end to be connected with the negative pole of diode D1, and winding W2 different name end is connected with one end of winding W3, and the other end of winding W3 is connected with the positive pole of diode D1 and forms independent loop; Described winding W1 and winding W2 coupling.Described winding W1 and winding W2, adopt insulation enamel covered wire bifilar and around forming; Described winding W3, adopts insulating varnish bag copper wire winding to form; Described double winding magnetic pole B1 and simplex winding magnetic pole B2, make by permeability magnetic material silicon steel sheet.
In the time that switch transistor T 1 conducting is powered to winding W1, main winding W1 converts electrical energy into the mechanical energy of motor in setting up magnetic field energy, and in this stage winding W2, the polarity of induced electromotive force e2 is lower just upper negative, diode D1 cut-off, no current in winding W2; In the time that switch transistor T 1 is turn-offed, according to inductance physical characteristic, in winding W2 the polarity of induced electromotive force e2 be lower negative on just, diode D1 is because bearing positive bias conducting, current flowing in winding W2, winding W3 and diode D1 loop, electromotive force e2, to winding W3 power supply excitation, passes through the energy that is fed to power supply originally the electromagnetic action of magnetic pole B2 and winding W3, again be converted to the mechanical energy on motor shaft, the inductance of its course of work, electric current, torque curve are as shown in Figure 3.
In Fig. 3, when switch transistor T 1 is when to angular interval conducting, winding W1 current flowing, produces and drags torque M 1, and switch transistor T 1 is closed and had no progeny, diode D1 conducting, excitation winding W3 current flowing, produces and drags torque M 2, has realized the electric energy that feeds back to power supply originally and has again been converted to mechanical energy, solve double winding regeneration field switch reluctance motor winding utilization low and in larger situation, between the afterflow period, produce the problem of brake torque, be of value to and improve motor operational efficiency and energy index.
Fig. 4 is 4/2 pole switching reluctance motor embodiment of single phase power supply of the present utility model.As shown in Figure 4, B1B1 ' is a pair of main pole on stator, and main pole B1B1 ' is upper bifilar and around winding W1 and winding W2, and the power supply of winding W1 is controlled by switch transistor T 1, and its Same Name of Ends is connected with the anode of power supply U, and different name end is connected with the C pin of switch transistor T 1; The Same Name of Ends of afterflow winding W2 is connected with the negative pole of diode D1, and the different name end of winding W2 is directly connected with one end of excitation winding W3 again, and the positive pole of diode D1 is connected with the other end of winding W3.In the time of switch transistor T 1 triggering and conducting, winding W1 current flowing and excitation produce electromagnetic torque, a certain amount of mechanical angle of rotor (this stage diode D1 ends because bearing reverse potential e2), after rotating to and aliging with rotor magnetic pole, on-off switching tube T1, in winding W2, induced electromotive force e2 applies a forward voltage with respect to diode D1, diode D1 conducting, for excitation winding W3 again provides exciting current, thereby produce again electromagnetic torque, rotor continues rotation, said process goes round and begins again, rotor moves continuously, motor shaft output mechanical energy, realization converts electrical energy into the overall process of mechanical energy.
Fig. 5 is another kind of power conversion circuit of the present utility model, and it uses diode D1 instead full control switch transistor T 2 compared with Fig. 3, can realize the control of exciting current size again.

Claims (4)

1. a double winding regeneration field switch reluctance motor, comprise the W3 of excitation winding again, switching tube and continued flow tube on excitation winding W1 in main pole, auxiliary magnetic pole, main pole and afterflow winding W2, auxiliary magnetic pole, it is characterized in that: also comprise auxiliary magnetic pole and be located at the W3 of excitation winding again on auxiliary magnetic pole, described continued flow tube, afterflow winding W2, excitation winding W3 is concatenated into a loop again.
2. double winding regeneration field switch reluctance motor as claimed in claim 1, is characterized in that: described continued flow tube is diode.
3. double winding regeneration field switch reluctance motor as claimed in claim 1, is characterized in that: described continued flow tube is triode.
4. double winding regeneration field switch reluctance motor as claimed in claim 1, is characterized in that: the excitation winding W1 in described main pole is composed in series by two identical windings along polarity.
CN201420490133.7U 2014-08-28 2014-08-28 A kind of double winding regeneration field switch reluctance motor Withdrawn - After Issue CN204013313U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201420490133.7U CN204013313U (en) 2014-08-28 2014-08-28 A kind of double winding regeneration field switch reluctance motor

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201420490133.7U CN204013313U (en) 2014-08-28 2014-08-28 A kind of double winding regeneration field switch reluctance motor

Publications (1)

Publication Number Publication Date
CN204013313U true CN204013313U (en) 2014-12-10

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN201420490133.7U Withdrawn - After Issue CN204013313U (en) 2014-08-28 2014-08-28 A kind of double winding regeneration field switch reluctance motor

Country Status (1)

Country Link
CN (1) CN204013313U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104184387A (en) * 2014-08-28 2014-12-03 湖南开启时代电子信息技术有限公司 Duplex-winding regeneration excitation switch reluctance motor

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104184387A (en) * 2014-08-28 2014-12-03 湖南开启时代电子信息技术有限公司 Duplex-winding regeneration excitation switch reluctance motor

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C14 Grant of patent or utility model
AV01 Patent right actively abandoned

Granted publication date: 20141210

Effective date of abandoning: 20171212

AV01 Patent right actively abandoned