CN219420631U - Motor controller - Google Patents
Motor controller Download PDFInfo
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- CN219420631U CN219420631U CN202320232482.8U CN202320232482U CN219420631U CN 219420631 U CN219420631 U CN 219420631U CN 202320232482 U CN202320232482 U CN 202320232482U CN 219420631 U CN219420631 U CN 219420631U
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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
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/72—Electric energy management in electromobility
Abstract
The utility model discloses a motor controller, which relates to the field of motors, and comprises: the three-phase power supply module is used for supplying three-phase alternating current and outputting the three-phase alternating current to the step-down rectifying and filtering module, the motor working module and the phase failure protection module; the step-down rectifying and filtering module is used for converting alternating current into direct current and supplying power to the motor control module and the delay module; the motor working module is used for motor rotation; the open-phase protection module is used for disconnecting the power supply line between the three-phase power supply module and the motor working module when the power supply is abnormal; the motor control module is used for controlling the delay module to work; compared with the prior art, the utility model has the beneficial effects that: the motor control module controls the delay module to work, and the delay module controls the motor work module to work after delay, so that delay is provided when the rotation direction of the motor is switched, and strong arc flowers are prevented from being generated and components are burnt out when the motor is switched in forward and reverse directions.
Description
Technical Field
The utility model relates to the field of motors, in particular to a motor controller.
Background
The motor refers to an electromagnetic device for converting or transmitting electric energy according to the law of electromagnetic induction. The motor is mainly used for generating driving torque in a circuit and is used as a power source of an electric appliance or various machines.
When the motor capacity is large and the forward and reverse rotation switching is carried out under heavy load, strong arc flowers are often generated, inter-phase short circuits are easily caused, branch wires, blades, fuses, automatic air switches and the like are often burnt out, and improvement is needed.
Disclosure of Invention
The present utility model is directed to a motor controller, which solves the above-mentioned problems.
In order to achieve the above purpose, the present utility model provides the following technical solutions:
a motor controller, comprising:
the three-phase power supply module is used for supplying three-phase alternating current and outputting the three-phase alternating current to the step-down rectifying and filtering module, the motor working module and the phase failure protection module;
the step-down rectifying and filtering module is used for converting alternating current into direct current and supplying power to the motor control module and the delay module;
the motor working module is used for motor rotation;
the open-phase protection module is used for disconnecting the power supply line between the three-phase power supply module and the motor working module when the power supply is abnormal;
the motor control module is used for constructing loops of the delay module and the step-down rectifying and filtering module and controlling the delay module to work;
the time delay module is used for controlling the motor working module to work after working time delay;
the three-phase power supply module is connected with the step-down rectifying and filtering module, the motor working module and the phase-failure protection module, the phase-failure protection module is connected with the motor working module, the step-down rectifying and filtering module is connected with the motor control module and the delay module, the motor control module is connected with the delay module, and the delay module is connected with the motor working module.
As still further aspects of the utility model: the step-down rectifying and filtering module comprises a transformer W, a rectifier T, a capacitor C1, an inductor L1, a capacitor C2, a resistor R1 and a resistor R2, wherein one end of an input end of the transformer W is connected with a three-phase power module, the other end of the input end of the transformer W is connected with a zero line N, one end of an output end of the transformer W is connected with a first end of the rectifier T, the other end of the output end of the transformer W is connected with a third end of the rectifier T, a fourth end of the rectifier T is connected with one end of the inductor L1 and one end of the capacitor C1, a second end of the rectifier T is connected with the other end of the capacitor C1 and one end of the resistor R2, the other end of the inductor L1 is connected with the other end of the capacitor C2 and one end of the resistor R1, and the other end of the resistor R1 is connected with the motor control module and the delay module.
As still further aspects of the utility model: the open-phase protection module comprises a capacitor C5, a capacitor C6, a capacitor C7, a resistor R5, a diode D4, a capacitor C8, a relay J1 and a diode D3, wherein one end of the capacitor C5 is connected with the three-phase power supply module, one end of the capacitor C6 is connected with the three-phase power supply module, one end of the capacitor C7 is connected with the three-phase power supply module, the other end of the capacitor C5 is connected with the other end of the capacitor C6, the other end of the capacitor C7 and one end of the resistor R5, the other end of the resistor R5 is connected with the positive electrode of the diode D4, the negative electrode of the diode D4 is connected with one end of the capacitor C8, one end of the relay J1 and the negative electrode of the diode D3, the other end of the capacitor C8 is grounded, and the other end of the relay J1 is grounded, and the positive electrode of the diode D3 is grounded.
As still further aspects of the utility model: the motor control module comprises a switch S6, an interface K1, an interface K2, an interface K3, a relay J4, a relay J5, a diode D1 and a diode D2, wherein one end of the switch S6 is connected with the buck rectifying and filtering module, the other end of the switch S6 is connected with the interface K1/K2/K3, the interface K2 is suspended, the other end of the interface K1 is connected with the cathode of the diode D1 and one end of the relay J4, the anode of the diode D1 is grounded, the other end of the relay J4 is grounded, the other end of the interface K3 is connected with one end of the relay J5 and the cathode of the diode D5, the other end of the relay J5 is grounded, and the anode of the diode D5 is grounded.
As still further aspects of the utility model: the time delay module includes switch S4, switch S5, relay J2, relay J3, resistance R3, electric capacity C3, resistance R4, electric capacity C4, switch S5 'S one end is connected to switch S4' S one end, step-down rectification filter module, relay J2 'S one end is connected to switch S4' S the other end, resistance R3 'S one end, resistance R3' S the other end passes through electric capacity C3 ground connection, relay J2 'S the other end ground connection, relay J3' S one end is connected to switch S5 'S the other end, resistance R4' S one end, resistance R4 'S the other end passes through electric capacity C4 ground connection, relay J3' S the other end ground connection.
Compared with the prior art, the utility model has the beneficial effects that: the motor control module controls the delay module to work, and the delay module controls the motor work module to work after delay, so that delay is provided when the rotation direction of the motor is switched, and strong arc flowers are prevented from being generated and components are burnt out when the motor is switched in forward and reverse directions.
Drawings
Fig. 1 is a schematic diagram of a motor controller.
Fig. 2 is a circuit diagram of a motor controller.
Fig. 3 is a circuit diagram of the rectifier T.
Detailed Description
The technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are only some embodiments of the present utility model, but not all embodiments, and all other embodiments obtained by those skilled in the art without making creative efforts based on the embodiments of the present utility model are included in the protection scope of the present utility model.
Referring to fig. 1, a motor controller includes:
the three-phase power supply module is used for supplying three-phase alternating current and outputting the three-phase alternating current to the step-down rectifying and filtering module, the motor working module and the phase failure protection module;
the step-down rectifying and filtering module is used for converting alternating current into direct current and supplying power to the motor control module and the delay module;
the motor working module is used for motor rotation;
the open-phase protection module is used for disconnecting the power supply line between the three-phase power supply module and the motor working module when the power supply is abnormal;
the motor control module is used for constructing loops of the delay module and the step-down rectifying and filtering module and controlling the delay module to work;
the time delay module is used for controlling the motor working module to work after working time delay;
the three-phase power supply module is connected with the step-down rectifying and filtering module, the motor working module and the phase-failure protection module, the phase-failure protection module is connected with the motor working module, the step-down rectifying and filtering module is connected with the motor control module and the delay module, the motor control module is connected with the delay module, and the delay module is connected with the motor working module.
In this embodiment: referring to fig. 2 and 3, the buck rectifying and filtering module includes a transformer W, a rectifier T, a capacitor C1, an inductor L1, a capacitor C2, a resistor R1, and a resistor R2, wherein one end of an input end of the transformer W is connected to the three-phase power module, the other end of the input end of the transformer W is connected to a zero line N, one end of an output end of the transformer W is connected to a first end of the rectifier T, the other end of the output end of the transformer W is connected to a third end of the rectifier T, a fourth end of the rectifier T is connected to one end of the inductor L1 and one end of the capacitor C1, a second end of the rectifier T is connected to the other end of the capacitor C1, one end of the capacitor C2, one end of the resistor R2, the other end of the resistor R2, and the other end of the resistor R1 are connected to the motor control module and the delay module.
The transformer W finishes the step-down, the rectifier T finishes the AC-DC conversion, the capacitor C1, the inductor L1 and the capacitor C2 form a filter circuit to finish the filtering, the resistor R1 limits the current, and the output direct current is supplied to the motor control module and the delay module. The rectifier T is constituted by a bridge rectifier circuit.
In this embodiment: referring to fig. 2, the open-phase protection module includes a capacitor C5, a capacitor C6, a capacitor C7, a resistor R5, a diode D4, a capacitor C8, a relay J1, and a diode D3, wherein one end of the capacitor C5 is connected to the three-phase power module, one end of the capacitor C6 is connected to the three-phase power module, one end of the capacitor C7 is connected to the three-phase power module, the other end of the capacitor C5 is connected to the other end of the capacitor C6, the other end of the capacitor C7, one end of the resistor R5, the other end of the resistor R5 is connected to the anode of the diode D4, the cathode of the diode D4 is connected to one end of the capacitor C8, one end of the relay J1, the cathode of the diode D3, and the other end of the capacitor C8 is grounded, the other end of the relay J1 is grounded, and the anode of the diode D3 is grounded.
When the circuit is powered normally, as the three-phase alternating current has a period difference with each live wire, the phase difference is 1/3 period, namely 120 degrees, so that the voltage at the coupling position of the capacitors C5, C6 and C7 is zero; when the circuit is abnormal in power supply, such as phase failure, short circuit and the like, the voltage at the resistor R5 is not zero, the relay J1 is powered through the diode D4 and the capacitor C8, the relay J1 is electrically controlled to switch off the switches S1AL, S1BL and S1CL, and the live wire A, B, C of the three-phase power supply module is not powered for the motor working module.
In this embodiment: referring to fig. 2, the motor control module includes a switch S6, an interface K1, an interface K2, an interface K3, a relay J4, a relay J5, a diode D1, and a diode D2, wherein one end of the switch S6 is connected to the buck rectifying filter module, the other end of the switch S6 is connected to the interface K1/K2/K3, the interface K2 is suspended, the other end of the interface K1 is connected to the cathode of the diode D1 and one end of the relay J4, the anode of the diode D1 is grounded, the other end of the relay J4 is grounded, the other end of the interface K3 is connected to one end of the relay J5 and the cathode of the diode D5, the other end of the relay J5 is grounded, and the anode of the diode D5 is grounded.
In this embodiment: referring to fig. 2, the delay module includes a switch S4, a switch S5, a relay J2, a relay J3, a resistor R3, a capacitor C3, a resistor R4, and a capacitor C4, wherein one end of the switch S4 is connected to one end of the switch S5, and the buck rectifying and filtering module, the other end of the switch S4 is connected to one end of the relay J2 and one end of the resistor R3, the other end of the resistor R3 is grounded through the capacitor C3, the other end of the relay J2 is grounded, the other end of the switch S5 is connected to one end of the relay J3 and one end of the resistor R4, the other end of the resistor R4 is grounded through the capacitor C4, and the other end of the relay J3 is grounded.
The rotation direction of the motor M is controlled by controlling the position of the switch S6, the switch S6 is connected to the interface K2, and the motor M does not work; the relay J4 is connected to the K1 to be powered on, the control switch S4 is closed, then after time delay, the relay J2 is powered on to be powered on, the control switches S2AL, S2BL and S2CL are closed, and the motor M rotates positively; the relay J5 is connected to the K3 to be powered on, the control switch S5 is closed, and then after time delay, the relay J3 is powered on to be powered on, the control switches S3AL, S3BL and S3CL are closed, and the motor M is reversed;
when the power is on or off, the capacitors C3 and C4 store electric energy due to the existence of the capacitors C3 and C4, so that the relays J2 and J3 work for delay; the capacitors C3 and C4 release electric energy when the power is off, and the relays J2 and J3 are also enabled to be in power-off time delay, so that when the forward and reverse rotation switching is carried out, the switch is prevented from being rapidly closed or flicked, strong arc flowers are generated, and components are burnt out.
The working principle of the utility model is as follows: the three-phase power supply module supplies three-phase alternating current and outputs the three-phase alternating current to the step-down rectifying and filtering module, the motor working module and the phase failure protection module; the step-down rectifying and filtering module converts alternating current into direct current and supplies power to the motor control module and the delay module; the motor work module rotates and works; when the power supply is abnormal, the open-phase protection module disconnects a power supply line between the three-phase power supply module and the motor working module; the motor control module constructs a loop of the delay module and the step-down rectifying and filtering module and controls the delay module to work; and after the time delay module works and delays, controlling the motor working module to work.
It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present utility model may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present disclosure describes embodiments, not every embodiment is provided with a separate embodiment, and that this description is provided for clarity only, and that the disclosure is not limited to the embodiments described in detail below, and that the embodiments described in the examples may be combined as appropriate to form other embodiments that will be apparent to those skilled in the art.
Claims (5)
1. A motor controller, characterized by:
the motor controller includes:
the three-phase power supply module is used for supplying three-phase alternating current and outputting the three-phase alternating current to the step-down rectifying and filtering module, the motor working module and the phase failure protection module;
the step-down rectifying and filtering module is used for converting alternating current into direct current and supplying power to the motor control module and the delay module;
the motor working module is used for motor rotation;
the open-phase protection module is used for disconnecting the power supply line between the three-phase power supply module and the motor working module when the power supply is abnormal;
the motor control module is used for constructing loops of the delay module and the step-down rectifying and filtering module and controlling the delay module to work;
the time delay module is used for controlling the motor working module to work after working time delay;
the three-phase power supply module is connected with the step-down rectifying and filtering module, the motor working module and the phase-failure protection module, the phase-failure protection module is connected with the motor working module, the step-down rectifying and filtering module is connected with the motor control module and the delay module, the motor control module is connected with the delay module, and the delay module is connected with the motor working module.
2. The motor controller according to claim 1, wherein the step-down rectifying and filtering module comprises a transformer W, a rectifier T, a capacitor C1, an inductor L1, a capacitor C2, a resistor R1 and a resistor R2, wherein one end of an input end of the transformer W is connected with the three-phase power supply module, the other end of the input end of the transformer W is connected with a zero line N, one end of an output end of the transformer W is connected with a first end of the rectifier T, the other end of the output end of the transformer W is connected with a third end of the rectifier T, a fourth end of the rectifier T is connected with one end of the inductor L1 and one end of the capacitor C1, a second end of the rectifier T is connected with the other end of the capacitor C1, one end of the capacitor C2 and one end of the resistor R2, and the other end of the resistor R1 is connected with the motor control module and the delay module.
3. The motor controller according to claim 1, wherein the open-phase protection module comprises a capacitor C5, a capacitor C6, a capacitor C7, a resistor R5, a diode D4, a capacitor C8, a relay J1, and a diode D3, wherein one end of the capacitor C5 is connected to the three-phase power supply module, one end of the capacitor C6 is connected to the three-phase power supply module, one end of the capacitor C7 is connected to the three-phase power supply module, the other end of the capacitor C5 is connected to the other end of the capacitor C6, the other end of the capacitor C7, one end of the resistor R5, the other end of the resistor R5 is connected to the anode of the diode D4, the cathode of the diode D4 is connected to one end of the capacitor C8, one end of the relay J1, the cathode of the diode D3, the other end of the capacitor C8 is grounded, the other end of the relay J1 is grounded, and the anode of the diode D3 is grounded.
4. The motor controller according to claim 1, wherein the motor control module comprises a switch S6, an interface K1, an interface K2, an interface K3, a relay J4, a relay J5, a diode D1, and a diode D2, one end of the switch S6 is connected to the buck rectifying and filtering module, the other end of the switch S6 is connected to the interface K1/K2/K3, the interface K2 is suspended, the other end of the interface K1 is connected to the negative electrode of the diode D1 and one end of the relay J4, the positive electrode of the diode D1 is grounded, the other end of the relay J4 is grounded, the other end of the interface K3 is connected to one end of the relay J5 and the negative electrode of the diode D5, the other end of the relay J5 is grounded, and the positive electrode of the diode D5 is grounded.
5. The motor controller of claim 4 wherein the delay module comprises a switch S4, a switch S5, a relay J2, a relay J3, a resistor R3, a capacitor C3, a resistor R4, and a capacitor C4, wherein one end of the switch S4 is connected to one end of the switch S5 and the buck rectifying and filtering module, the other end of the switch S4 is connected to one end of the relay J2 and one end of the resistor R3, the other end of the resistor R3 is grounded through the capacitor C3, the other end of the relay J2 is grounded, the other end of the switch S5 is connected to one end of the relay J3 and one end of the resistor R4, the other end of the resistor R4 is grounded through the capacitor C4, and the other end of the relay J3 is grounded.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320232482.8U CN219420631U (en) | 2023-02-16 | 2023-02-16 | Motor controller |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320232482.8U CN219420631U (en) | 2023-02-16 | 2023-02-16 | Motor controller |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219420631U true CN219420631U (en) | 2023-07-25 |
Family
ID=87227551
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320232482.8U Active CN219420631U (en) | 2023-02-16 | 2023-02-16 | Motor controller |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219420631U (en) |
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2023
- 2023-02-16 CN CN202320232482.8U patent/CN219420631U/en active Active
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