CN219124122U - Single-phase four-pole series excited machine brake control structure - Google Patents

Single-phase four-pole series excited machine brake control structure Download PDF

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Publication number
CN219124122U
CN219124122U CN202222557561.4U CN202222557561U CN219124122U CN 219124122 U CN219124122 U CN 219124122U CN 202222557561 U CN202222557561 U CN 202222557561U CN 219124122 U CN219124122 U CN 219124122U
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relay
wiring terminal
winding group
terminal
electric brush
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梁居勇
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Zhongshan Zhihe Motor Electrical Appliance Co ltd
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Zhongshan Zhihe Motor Electrical Appliance Co ltd
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    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
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    • Y02T10/64—Electric machine technologies in electromobility

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Abstract

The utility model relates to the technical field of motor structures, and particularly discloses a single-phase four-pole series motor brake control structure; the winding device comprises four winding groups, namely a first winding group, a second winding group, a third winding group and a fourth winding group; the electric motor also comprises four electric brushes, namely a first electric brush, a second electric brush, a third electric brush and a fourth electric brush; two ends of the first winding group are respectively connected with a first one-to-one wiring terminal and a first two-to-one wiring terminal; two ends of the second winding group are respectively connected with a second first wiring terminal and a second wiring terminal, two ends of the third winding group are respectively connected with a third first wiring terminal and a third second wiring terminal, and two ends of the fourth winding group are respectively connected with a fourth first wiring terminal and a fourth second wiring terminal; in the utility model, the wiring terminals at the two ends of each winding group and the wiring terminal of each carbon brush are connected with a plurality of relays in a control structure; the brake circuit is formed, the functions are more abundant, and the brake circuit is more practical.

Description

Single-phase four-pole series excited machine brake control structure
Technical Field
The utility model relates to the technical field of motor structures, in particular to a single-phase four-pole series excited motor brake control structure.
Background
At present, in many electrical equipment, the application of a four-stage motor is very common, in particular to a single-phase four-pole series motor, which is very wide in application, but in the design of many single-phase four-pole series motors at present, the functions are single, and the motor is arranged in a forward rotation way; in the current design of many single-phase four-pole series motor, especially in the circuit design, there is a defect when the situation that sudden braking or sudden stopping is needed is met, and improvement is needed.
Disclosure of Invention
The utility model aims to provide a brake control structure of a single-phase four-pole series excited motor, which is ingenious in structure and can control forward rotation and braking of the motor by connecting wiring ends of a winding group and a carbon brush with a plurality of relays.
In order to solve the technical problems, the utility model adopts the following technical scheme: a brake control structure of a single-phase four-pole series motor comprises four winding groups, namely a first winding group, a second winding group, a third winding group and a fourth winding group; the electric motor also comprises four electric brushes, namely a first electric brush, a second electric brush, a third electric brush and a fourth electric brush;
two ends of the first winding group are respectively connected with a first one-to-one wiring terminal and a first two-to-one wiring terminal; two ends of the second winding group are respectively connected with a second first wiring terminal and a second wiring terminal, two ends of the third winding group are respectively connected with a third first wiring terminal and a third second wiring terminal, and two ends of the fourth winding group are respectively connected with a fourth first wiring terminal and a fourth second wiring terminal; the first electric brush is connected with a first third wiring terminal, the second electric brush is connected with a second third wiring terminal, the third electric brush is connected with a third wiring terminal, and the fourth electric brush is connected with a fourth wiring terminal; the first two terminals and the third one terminal are connected together to form a fifth one terminal, and the fourth one terminal and the second one terminal are connected together to form a fifth two terminal;
the single-phase four-pole series motor brake control structure comprises seven relays, namely a first relay, a second relay, a third relay, a fourth relay, a fifth relay, a sixth relay and a seventh relay; each relay is provided with a normal open end, a normal closed end and a public end;
the common end of the first relay is connected with a fifth second wiring terminal, the normally-open end of the second relay is connected with a fourth third wiring terminal and is connected with the normally-closed end of the fifth relay, the normally-closed end of the second relay is connected with the normally-open end of the fifth relay, and the common end of the second relay is connected with the fourth wiring terminal;
the normal open end of the third relay is connected with the second third wiring terminal and is connected with the normal closed end of the fourth relay; the Chang Biduan of the third relay is connected with the normally open end of the fourth relay, and the common end of the third relay is connected with the second wiring terminal; the common end of the fourth relay is connected with the third two wiring terminals;
the normally open end of the fifth relay is connected with the first third wiring terminal, and the common end of the fifth relay is connected with the first one-to-one wiring terminal; the common end of the sixth relay is connected with the fifth wiring end; the normally closed end of the seventh relay is connected with the normally closed end of the first relay, and the common end of the seventh relay is connected with the normally closed end of the sixth relay.
The utility model relates to a brake control structure of a single-phase four-pole series excited motor, which comprises four winding groups and four carbon brushes, wherein the four carbon brushes are in one-to-one correspondence with the four windings, and the wiring ends at the two ends of each winding group are connected with a plurality of relays in a control structure, and the wiring ends of each carbon brush are connected with a plurality of relays in the control structure; the brake circuit is formed, so that the single-phase four-pole series excited motor can rotate forward, brake rapidly, and the function is richer and more practical.
Drawings
The utility model will be described in further detail with reference to the drawings and the detailed description.
Fig. 1 is a schematic structural diagram of a winding group and a carbon brush of a single-phase four-pole series motor brake control structure according to the present utility model;
fig. 2 is a schematic diagram of a connection structure of a brake control structure of a single-phase four-pole series motor according to the present utility model.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present utility model, but the present utility model may be practiced in other ways other than those described herein, and persons skilled in the art will readily appreciate that the present utility model is not limited to the specific embodiments disclosed below.
Fig. 1 is a schematic structural diagram of a winding set and a carbon brush of a brake control structure of a single-phase four-pole series motor according to the present utility model; the utility model relates to a brake control structure of a single-phase four-pole series excited machine, which comprises four winding groups, namely a first winding group, a second winding group, a third winding group and a fourth winding group; the electric motor also comprises four electric brushes, namely a first electric brush, a second electric brush, a third electric brush and a fourth electric brush;
two ends of the first winding group are respectively connected with a first one-terminal 11 and a first two-terminal 12; two ends of the second winding group are respectively connected with the second first wiring terminal 21 and the second wiring terminal 22, two ends of the third winding group are respectively connected with the third first wiring terminal 31 and the third second wiring terminal 32, and two ends of the fourth winding group are respectively connected with the fourth first wiring terminal 41 and the fourth second wiring terminal 42; the first electric brush is connected with a first third wiring terminal 13, the second electric brush is connected with a second third wiring terminal 23, the third electric brush is connected with a third wiring terminal 33, and the fourth electric brush is connected with a fourth third wiring terminal 43; the first and third terminals 12 and 31 are connected to form together a fifth first terminal 51, and the fourth and second terminals 41 and 22 are connected to form together a fifth second terminal 52.
Fig. 2 is a schematic diagram of a connection structure of a brake control structure of a single-phase four-pole series motor according to the present utility model; the brake control structure of the single-phase four-pole series excited motor comprises seven relays, namely a first relay A1, a second relay A2, a third relay A3, a fourth relay A4, a fifth relay A5, a sixth relay A6 and a seventh relay A7; each relay is provided with a normally-open end NO, a normally-closed end NC and a public end COM;
the common end of the first relay A1 is connected with a fifth second wiring terminal 52, the normal open end of the second relay A2 is connected with a fourth third wiring terminal 43 and is connected with the normal closed end of the fifth relay, the normal closed end of the second relay A2 is connected with the normal open end of the fifth relay A5, and the common end of the second relay A2 is connected with a fourth second wiring terminal 42;
the normal open end of the third relay A3 is connected with the second third wiring terminal 23 and is connected with the normal closed end of the fourth relay; the normally-closed end of the third relay A3 is connected with the normally-open end of the fourth relay A4, and the common end of the third relay A3 is connected with the second first wiring terminal 21; the normally open end of the fourth relay A4 is connected with the third wiring terminal 33, and the common end of the fourth relay is connected with the third second wiring terminal 32;
the normally open end of the fifth relay is connected with the first third wiring terminal 13, and the common end of the fifth relay is connected with the first wiring terminal 11; the common terminal of the sixth relay is connected to the fifth terminal 51; the normally closed end of the seventh relay A7 is connected with the normally closed end of the first relay A1, and the common end of the seventh relay A7 is connected with the normally closed end of the sixth relay.
In an optimal scheme, the single-phase four-pole series motor comprises a power supply, wherein the power supply is provided with a live wire end L and a zero wire end N; the normally open end of the first relay (A1) is connected with the live wire end L of the power supply; and the normally open end of the sixth relay (A6) is connected with the zero line end N of the power supply.
In the utility model, when the single-phase four-pole series excited motor rotates positively (the rotating direction of the motor normally), the live wire end L is connected with the normally open end of the first relay A1, the zero wire end N is connected with the normally open end of the sixth relay A6, and all relays, namely A1, A2, A3, A4, A5, A6 and A7 are in a closed and conducting state of the normally open end and the common end at the same time;
when the single-phase four-pole series motor is braked, the power supply L/N is cut off, the power supply is in a non-power supply state, and all relays, namely A1, A2, A3, A4, A5, A6 and A7 are in a closed and conducting state of a normally-closed end and a public end at the same time; at this time, electromotive force which rotates by utilizing the inertia of the motor rotor passes through the windings and the electric brushes to generate current direction which is opposite to the forward rotation of the motor, so that the motor brake is realized.
Preferably, a resistor R is further arranged between the first relay A1 and the seventh relay A7, and two ends of the resistor R are respectively connected with a normally closed end of the first relay A1 and a normally closed end of the seventh relay A7. When acting on the motor brake, the motor consumes the electromotive force generated by part of the motor, so that the duration of the motor brake can be adjusted, the carbon brush spark during the motor brake is controlled, and the service life of the motor is ensured. The resistance value of the resistor R is changed along with different motors and is actually selected according to practice, and the resistance value of the resistor R is preferably 10-1000 ohms.
In the utility model, the first winding group, the second winding group, the third winding group and the fourth winding group are annularly, uniformly and sequentially distributed, the first electric brush, the second electric brush, the third electric brush and the fourth electric brush are in one-to-one correspondence with the first winding group, the second winding group, the third winding group and the fourth winding, and the four winding groups form two N poles and two S poles, and the N poles and the S poles are adjacent to each other.
Therefore, the brake control structure of the single-phase four-pole series excited motor comprises four winding groups and four carbon brushes, wherein the four carbon brushes are in one-to-one correspondence with the four windings, and the wiring ends at the two ends of each winding group are connected with a plurality of relays in the control structure, and the wiring ends of each carbon brush are connected with a plurality of relays in the control structure; the brake circuit is formed, so that the single-phase four-pole series excited motor can rotate forward, brake rapidly, and the function is richer and more practical.
The foregoing description is only illustrative of the preferred embodiments of the present utility model, and although the present utility model has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements or changes may be made without departing from the spirit and principles of the present utility model.

Claims (6)

1. A brake control structure of a single-phase four-pole series motor comprises four winding groups, namely a first winding group, a second winding group, a third winding group and a fourth winding group; the electric motor also comprises four electric brushes, namely a first electric brush, a second electric brush, a third electric brush and a fourth electric brush;
two ends of the first winding group are respectively connected with a first one-terminal (11) and a first two-terminal (12); two ends of the second winding group are respectively connected with a second first wiring terminal (21) and a second wiring terminal (22), two ends of the third winding group are respectively connected with a third first wiring terminal (31) and a third second wiring terminal (32), and two ends of the fourth winding group are respectively connected with a fourth first wiring terminal (41) and a fourth second wiring terminal (42); the first electric brush is connected with a first third wiring terminal (13), the second electric brush is connected with a second third wiring terminal (23), the third electric brush is connected with a third wiring terminal (33), and the fourth electric brush is connected with a fourth third wiring terminal (43); the first two terminals (12) and the third one terminal (31) are connected to form a fifth one terminal (51), and the fourth one terminal (41) and the second one terminal (22) are connected to form a fifth two terminal (52); the method is characterized in that:
the single-phase four-pole series motor brake control structure comprises seven relays, namely a first relay (A1), a second relay (A2), a third relay (A3), a fourth relay (A4), a fifth relay (A5), a sixth relay (A6) and a seventh relay (A7); each relay is provided with a normally-open end NO, a normally-closed end NC and a public end COM;
the common end of the first relay (A1) is connected with a fifth second wiring terminal (52); the normally open end of the second relay (A2) is connected with the fourth third wiring terminal (43) and is simultaneously connected with the normally closed end of the fifth relay, the normally closed end of the second relay (A2) is connected with the normally open end of the fifth relay (A5), and the common end of the second relay (A2) is connected with the fourth wiring terminal (42);
the normal open end of the third relay (A3) is connected with the second third wiring terminal (23) and is connected with the normal closed end of the fourth relay; the normally closed end of the third relay (A3) is connected with the normally open end of the fourth relay (A4), and the common end of the third relay (A3) is connected with the second first wiring terminal (21); the normally open end of the fourth relay (A4) is connected with a third wiring terminal (33), and the common end of the fourth relay is connected with a third two wiring terminal (32);
the normally open end of the fifth relay is connected with the first third wiring terminal (13), and the common end of the fifth relay is connected with the first one-to-one wiring terminal (11); the common end of the sixth relay is connected with a fifth wiring terminal (51); the normally closed end of the seventh relay (A7) is connected with the normally closed end of the first relay (A1), and the common end of the seventh relay (A7) is connected with the normally closed end of the sixth relay.
2. The brake control structure of a single-phase four-pole series motor according to claim 1, wherein: the single-phase four-pole series motor comprises a power supply, wherein the power supply is provided with a live wire end L and a zero wire end N;
the normally open end of the first relay (A1) is connected with the live wire end L of the power supply; and the normally open end of the sixth relay (A6) is connected with the zero line end N of the power supply.
3. The brake control structure of a single-phase four-pole series motor according to claim 2, wherein: and a resistor R is further arranged between the first relay (A1) and the seventh relay (A7), and two ends of the resistor R are respectively connected with the normally closed end of the first relay (A1) and the normally closed end of the seventh relay (A7).
4. The brake control structure of a single-phase four-pole series motor according to claim 1, wherein: the first winding group, the second winding group, the third winding group and the fourth winding group are annularly and uniformly distributed in sequence, and the first electric brush, the second electric brush, the third electric brush and the fourth electric brush are in one-to-one correspondence with the first winding group, the second winding group, the third winding group and the fourth winding group.
5. The brake control structure of a single-phase four-pole series motor according to claim 4, wherein: the four winding groups form two N poles and two S poles, and the N poles and the S poles are adjacent to each other.
6. A single-phase four-pole series motor brake control structure according to claim 3, wherein: the resistance value of the resistor R is 10-1000 ohms.
CN202222557561.4U 2022-09-26 2022-09-26 Single-phase four-pole series excited machine brake control structure Active CN219124122U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202222557561.4U CN219124122U (en) 2022-09-26 2022-09-26 Single-phase four-pole series excited machine brake control structure

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202222557561.4U CN219124122U (en) 2022-09-26 2022-09-26 Single-phase four-pole series excited machine brake control structure

Publications (1)

Publication Number Publication Date
CN219124122U true CN219124122U (en) 2023-06-02

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN202222557561.4U Active CN219124122U (en) 2022-09-26 2022-09-26 Single-phase four-pole series excited machine brake control structure

Country Status (1)

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CN (1) CN219124122U (en)

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