CN220254386U

CN220254386U - Two-section resistor controller

Info

Publication number: CN220254386U
Application number: CN202320521453.3U
Authority: CN
Inventors: 许益民; 张小君
Original assignee: Zhejiang Juno Electric Equipment Co ltd
Current assignee: Zhejiang Juno Electric Equipment Co ltd
Priority date: 2023-03-14
Filing date: 2023-03-14
Publication date: 2023-12-26
Anticipated expiration: 2033-03-14

Abstract

The utility model relates to a two-section resistor controller capable of improving the applicability of a high-power motor, wherein a Q1 connection point and a Q11 connection point are arranged on a resistor I, a Q2 connection point and a Q12 connection point are arranged on a resistor II, a Q3 connection point and a Q13 connection point are arranged on a resistor III, an A1 pin in a thyristor I is connected with the Q2 connection point through a wire, an A1 pin in the thyristor I is connected with the Q3 connection point through a wire, an A2 pin in a thyristor II is connected with the Q1 connection point through a wire, an A2 pin in the thyristor II is connected with the Q3 connection point through a wire, an A3 pin in a thyristor III is connected with the Q12 connection point through a wire, an A3 pin in a thyristor IV is connected with the Q13 connection point through a wire, an A4 pin in a thyristor IV is connected with the Q11 connection point through a wire, and an A4 pin in a thyristor IV is connected with the Q13 connection point. The advantages are that: all two-section resistance controllers can improve the applicability of the high-power motor on the premise of ensuring that the high-power motor can work stably.

Description

Two-section resistor controller

Technical Field

The utility model belongs to the field of motor controller manufacturing, and particularly relates to a two-section resistor controller.

Background

I.S. is a professional production multifunctional controller enterprise, and the connection schematic diagram of the motor controller which is produced by I.S. at present and can control more than 26KW motors is shown in fig. 4, and the motor controller comprises a motor driving control circuit, wherein two thyristors are arranged in the motor driving control circuit, two pins of one thyristor are respectively an A1 pin and an A1 pin, and two pins of the other thyristor are respectively an A2 pin and an A2 pin; when the motor controller is connected with the motor, the pin A1 and the pin A2 are respectively connected with the M point of the motor through wires, the pin A1 is connected with the L point of the motor through wires, and the pin A2 is connected with the K point of the motor through wires; the motor drive control circuit is internally provided with a control input end, when a control signal for starting the motor is generated to a control chip in the motor drive control circuit through the control input end, the control chip controls the two thyristors to be in a conducting state, and a power supply (the motor drive control circuit is also provided with the power input end) stably supplies power to the motor through the conducting thyristors; because the motor drive control circuit can only stably and constantly output one current, the working mode of the high-power motor is relatively single, and the working condition applicability of the high-power motor is relatively poor.

Disclosure of Invention

The design purpose is as follows: in order to avoid the defects in the background technology, a two-section resistor controller capable of improving the applicability of a high-power motor is designed.

The design scheme is as follows: to achieve the above design objective.

1. The three-phase high-voltage power supply further comprises a resistor I, a resistor II and a resistor III, wherein a Q1 connection point and a Q11 connection point are arranged on the resistor I, a Q2 connection point and a Q12 connection point are arranged on the resistor II, a Q3 connection point and a Q13 connection point are arranged on the resistor III, an A1 pin in the thyristor I is connected with the Q2 connection point through a wire, an A1 pin in the thyristor I is connected with the Q3 connection point through a wire, an A2 pin in the thyristor II is connected with the Q1 connection point through a wire, an A2 pin in the thyristor II is connected with the Q3 connection point through a wire, an A3 pin in the thyristor III is connected with the Q13 connection point through a wire, an A4 pin in the thyristor IV is connected with the Q11 connection point through a wire, and an A4 pin in the thyristor IV is connected with the Q13 connection point through a wire. The purpose of this design is: the resistor I is provided with a Q1 connection point and a Q11 connection point, the resistor II is provided with a Q2 connection point and a Q12 connection point, the resistor III is provided with a Q3 connection point and a Q13 connection point, an A1 pin in the thyristor I is connected with the Q2 connection point through a wire and an A1 pin in the thyristor I is connected with the Q3 connection point through a wire, an A2 pin in the thyristor II is connected with the Q1 connection point through a wire and an A2 pin in the thyristor II is connected with the Q3 connection point through a wire, an A3 pin in the thyristor III is connected with the Q12 connection point through a wire and an A3 pin in the thyristor III is connected with the Q13 connection point through a wire, an A4 pin in the thyristor IV is connected with the Q11 connection point through a wire and an A4 pin in the thyristor IV is connected with the Q13 connection point through a wire; the control chip can control the first thyristor and the second thyristor to be in a conducting state or the third thyristor and the fourth thyristor to be in a conducting state, and the resistance values of the first thyristor and the second thyristor to be in a conducting state are different from the resistance values of the third thyristor and the fourth thyristor to be in a conducting state, namely, the currents input into the high-power motor are different when the first thyristor and the second thyristor are in a conducting state and the third thyristor and the fourth thyristor are in a conducting state, and the input currents are different, so that the high-power motor has two working modes with different output powers, and the controller can improve the applicability of the high-power motor on the premise of ensuring that the high-power motor can work stably.

2. The motor drive control circuit is provided with a first control input end and a second control input end, when a control chip in the motor drive control circuit receives a signal input through the first control input end, the control chip controls the thyristor I and the thyristor II to be in a conducting state, and when the control chip in the motor drive control circuit receives a signal input through the second control input end, the control chip controls the thyristor III and the thyristor IV to be in a conducting state. The purpose of this design is: the motor drive control circuit is provided with a first control input end and a second control input end, when a control chip in the motor drive control circuit receives signals input through the first control input end, the control chip controls the first thyristor and the second thyristor to be in a conducting state, when the control chip in the motor drive control circuit receives signals input through the second control input end, the control chip controls the third thyristor and the fourth thyristor to be in a conducting state, and the arrangement of the first control input end and the second control input end is convenient for inputting external control signals.

The technical scheme is as follows: a two-section resistor controller comprises a motor drive control circuit, and further comprises a resistor I, a resistor II, a thyristor III, a thyristor IV, a resistor I, a resistor II and a resistor III, wherein a Q1 connecting point and a Q11 connecting point are arranged on the resistor I, a Q2 connecting point and a Q12 connecting point are arranged on the resistor II, a Q3 connecting point and a Q13 connecting point are arranged on the resistor III, an A1 pin in the thyristor I is connected with the Q2 connecting point through a wire and an A1 pin in the thyristor I is connected with the Q3 connecting point through a wire, an A2 pin in the thyristor II is connected with the Q1 connecting point through a wire and an A2 pin in the thyristor II is connected with the Q3 connecting point through a wire, an A3 pin in the thyristor III is connected with the Q12 connecting point through a wire and a Q13 connecting point, an A4 pin in the thyristor IV is connected with the Q11 connecting point through a wire and an A4 pin in the thyristor IV is connected with the Q13 connecting point through a wire.

Compared with the background technology, the utility model has the advantages that the applicability of the high-power motor can be improved on the premise of ensuring that the high-power motor can stably work.

Drawings

FIG. 1 is a schematic diagram of a two-stage resistor controller.

Fig. 2 is a schematic diagram of a two-stage resistor controller (when no resistor is connected).

Fig. 3 is a physical diagram of a two-stage resistor controller (when no resistor is connected).

Fig. 4 is a schematic diagram of a conventional motor controller.

Detailed Description

Example 1: with reference to fig. 1-3. A two-section resistor controller comprises a motor drive control circuit 1, wherein the motor drive control circuit 1 is provided with a first thyristor 11, a second thyristor 12, a third thyristor 13 and a fourth thyristor 14, the motor drive control circuit further comprises a first resistor 2, a second resistor 3 and a third resistor 4, the first resistor 2 is provided with a Q1 connecting point and a Q11 connecting point, the second resistor 3 is provided with a Q2 connecting point and a Q12 connecting point, the third resistor 4 is provided with a Q3 connecting point and a Q13 connecting point, an A1 pin 111 in the first thyristor 11 is connected with the Q2 connecting point through a wire, an A1 pin 112 in the first thyristor 11 is connected with the Q3 connecting point through a wire, an A2 pin 121 in the second thyristor 12 is connected with the Q1 connecting point through a wire, an A3 pin 131 in the third thyristor 13 is connected with the Q12 connecting point through a wire, an A3 pin 132 in the third thyristor 13 is connected with the Q13 connecting point through a wire, an A4 pin 141 in the fourth thyristor 14 is connected with the Q11 connecting point through a wire, and an A4 pin 112 in the fourth thyristor 14 is connected with the fourth thyristor 142 through a wire. The motor driving control circuit 1 is a prior art, and will not be further described herein. The Z1 point in the first resistor 2 is connected with the K point of the motor through a wire, the Z2 point of the second resistor 3 is connected with the L point of the motor through a wire, and the Z3 point of the third resistor 4 is connected with the M point of the motor through a wire. The motor drive control circuit 1 is also provided with a power supply transmission end 17.

The motor drive control circuit 1 is provided with a first control input end 15 and a second control input end 16, when a control chip in the motor drive control circuit 1 receives a signal input through the first control input end 15, the control chip controls the first thyristor 11 and the second thyristor 12 to be in a conducting state, and when the control chip in the motor drive control circuit 1 receives a signal input through the second control input end 16, the control chip controls the third thyristor 13 and the fourth thyristor 14 to be in a conducting state.

The resistance value of the Q1Z1 section in the resistor I2 is larger than that of the Q11Z1 section; the resistance value of the Q2Z2 section in the resistor II 3 is larger than that of the Q12Z2 section; and the resistance value of the Q3Z3 section in the resistor III 4 is larger than that of the Q13Z3 section. The motor drive control circuit 1 is provided with a power transformer 5.

It should be understood that: although the above embodiments describe the design concept of the present utility model in more detail, these descriptions are merely descriptions of the design concept of the present utility model, and not limitations on the design concept of the present utility model, and any combination, addition or modification not exceeding the design concept of the present utility model falls within the scope of the present utility model.

Claims

1. A two-section resistor controller comprises a motor drive control circuit (1), wherein a first thyristor (11), a second thyristor (12), a third thyristor (13) and a fourth thyristor (14) are arranged in the motor drive control circuit (1), and the resistor controller is characterized in that: the novel high-voltage power supply is characterized by further comprising a resistor I (2), a resistor II (3) and a resistor III (4), wherein a Q1 connecting point and a Q11 connecting point are arranged on the resistor I (2), a Q2 connecting point and a Q12 connecting point are arranged on the resistor II (3), a Q3 connecting point and a Q13 connecting point are arranged on the resistor III (4), an A1 pin (111) in the thyristor I (11) is connected with the Q2 connecting point through a wire, an A1 pin (112) in the thyristor I (11) is connected with the Q3 connecting point through a wire, an A2 pin (121) in the thyristor II (12) is connected with the Q1 connecting point through a wire, an A2 pin (122) in the thyristor II (12) is connected with the Q3 connecting point through a wire, an A3 pin (131) in the thyristor III (13) is connected with the Q13 connecting point through a wire, an A4 pin (141) in the thyristor IV (14) is connected with the Q11 connecting point through a wire, and A4 pin (142) in the thyristor IV (14) is connected with the Q13.

2. A tangential two-stage resistance controller according to claim 1, wherein: the motor drive control circuit (1) is provided with a first control input end (15) and a second control input end (16), when a control chip in the motor drive control circuit (1) receives a signal input through the first control input end (15), the control chip controls the first thyristor (11) and the second thyristor (12) to be in a conducting state, and when the control chip in the motor drive control circuit (1) receives a signal input through the second control input end (16), the control chip controls the third thyristor (13) and the fourth thyristor (14) to be in a conducting state.

3. A tangential two-stage resistance controller according to claim 1 or 2, characterized in that: the resistance value of the Q1Z1 section in the resistor I (2) is larger than that of the Q11Z1 section; the resistance value of the Q2Z2 section in the resistor II (3) is larger than that of the Q12Z2 section; and the resistance value of the Q3Z3 section in the resistor three (4) is larger than that of the Q13Z3 section.

4. A tangential two-stage resistance controller according to claim 1 or 2, characterized in that: a power transformer (5) is arranged in the motor drive control circuit (1).