Intelligent permanent magnet controller circuit
By designing intelligent permanent magnet controller circuits and integrating multiple functional modules, the existing permanent magnet controller circuits are solved, and the circuit simplification and cost reduction are achieved.
Patent Information
- Application Number
- CN202420919427.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-04-29
- Publication Date
- 2025-04-29
- Estimated Expiration
- 2034-04-29
AI Technical Summary
The internal circuits of existing permanent magnet controllers are complex and have high manufacturing costs.
An intelligent permanent magnet controller circuit is designed, integrating the main control circuit, communication circuit, wiring port, charging lamp circuit, opening control circuit and closing control circuit, and data processing and control functions are realized through the main control chip and a variety of optocoupling circuits.
It realizes the integrated design of the circuit, integrates multiple functions, has a simple structure and low manufacturing cost, and is suitable for a wide range of application scenarios.
Smart Images

Figure CN222813069U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of permanent magnet controllers, in particular to an intelligent permanent magnet controller circuit. Background Art
[0002] A permanent magnet controller is an electronic control device that controls the speed and torque of a permanent magnet motor by controlling the current and voltage of the motor. The permanent magnet controller can be used with a variety of permanent magnet motors such as permanent magnet synchronous motors and permanent magnet DC motors, and is widely used in electric vehicles, wind turbines, machine tools and other fields.
[0003] Currently, the internal circuit of the permanent magnet controller is complex and the manufacturing cost is high. Therefore, an intelligent permanent magnet controller circuit is designed. Summary of the invention
[0004] According to an embodiment of the utility model, an intelligent permanent magnet controller circuit is provided, comprising: a main control circuit, a communication circuit, a wiring port, a charging lamp circuit, a switch-off control circuit and a switch-on control circuit;
[0005] The main control circuit is used for data processing;
[0006] The communication circuit is connected to the main control circuit and is used for data communication;
[0007] The charging light circuit is connected to the main control circuit and the wiring port for charging indication;
[0008] The opening control circuit is connected to the main control circuit and the wiring port for opening control;
[0009] The closing control circuit is connected to the main control circuit and the wiring port for closing control.
[0010] Furthermore, the main control circuit includes a main control chip, which is connected to the charging lamp circuit, the opening control circuit and the closing control circuit for data processing.
[0011] Further, the communication circuit includes: a transceiver, a first resistor, a transistor and a second resistor;
[0012] The transceiver is connected to one end of the first resistor, the collector of the transistor and the main control circuit;
[0013] The other end of the first resistor is connected to a 3.3V voltage;
[0014] The base of the transistor is connected to the main control circuit through the second resistor, and the emitter of the transistor is grounded.
[0015] Further, the charging lamp circuit comprises: a first optical coupler, a third resistor, an LED lamp, a fourth resistor, a first capacitor, a second capacitor and a fifth resistor;
[0016] Pin 3 of the first optocoupler is connected to the wiring port through the third resistor, pin 4 of the optocoupler is connected to the wiring port and the 15V voltage, pin 1 of the first optocoupler is connected to the 3.3V voltage, and pin 2 of the first optocoupler is connected to the main control circuit;
[0017] One end of the LED lamp is connected to the main control circuit via a fourth resistor, and the other end of the LED lamp is connected to the first capacitor, the second capacitor and the ground terminal;
[0018] The other end of the first capacitor is connected to the fifth resistor and the main control circuit;
[0019] The other ends of the second capacitor and the fifth resistor are grounded.
[0020] Furthermore, the opening control circuit includes: a second optical coupler and a sixth resistor;
[0021] Pin 1 of the second optocoupler is connected to the wiring port through the sixth resistor, pin 2 of the second optocoupler is connected to the wiring port and the digital ground, pin 3 of the second optocoupler is connected to the main control circuit, and pin 4 of the second optocoupler is connected to the 3.3V voltage.
[0022] Further, the closing control circuit comprises: a third optical coupler and a seventh resistor;
[0023] Pin 1 of the third optocoupler is connected to the connection port through the seventh resistor, pin 2 of the third optocoupler is connected to the digital ground, pin 3 of the third optocoupler is connected to the main control circuit, and pin 4 of the third optocoupler is connected to the 3.3V voltage.
[0024] According to an embodiment of the utility model, an intelligent permanent magnet controller circuit has an integrated design, integrates multiple functions, and has a simple structure and low manufacturing cost.
[0025] It is to be understood that both the foregoing general description and the following detailed description are exemplary, and are intended to provide further explanation of the technology as claimed. BRIEF DESCRIPTION OF THE DRAWINGS
[0026] Figure 1 The figure is an overall circuit diagram of an intelligent permanent magnet controller circuit according to an embodiment of the utility model.
[0027] Figure 2 The present invention is a circuit diagram of a main control circuit of an intelligent permanent magnet controller circuit according to an embodiment of the present invention.
[0028] Figure 3 The present invention is a circuit diagram of a communication circuit of an intelligent permanent magnet controller circuit according to an embodiment of the present invention.
[0029] Figure 4 for Figure 1 A partial enlargement of Figure 1 .
[0030] Figure 5 for Figure 1 A partial enlargement of Figure 2 .
[0031] Figure 6 for Figure 1 A partial enlargement of Figure 3 .
[0032] Figure 7 for Figure 1 A partial enlargement of Figure 4 .
[0033] Figure 8 for Figure 1 A partial enlargement of Figure 5 .
[0034] Fig. 9 for Figure 1 A partial enlargement of Figure 6 . DETAILED DESCRIPTION
[0035] The preferred embodiments of the present invention will be described in detail below in conjunction with the accompanying drawings to further illustrate the present invention.
[0036] First, combine Figures 1 to 9 An intelligent permanent magnet controller circuit according to an embodiment of the utility model is described, which is used to control the opening and closing of external equipment and has a wide range of application scenarios.
[0037] like Figures 1 to 9 As shown, an intelligent permanent magnet controller circuit of an embodiment of the utility model has a main control circuit, a communication circuit, a wiring port CN1, a charging lamp circuit, an opening control circuit and a closing control circuit.
[0038] Specifically, Figure 1~2 As shown, the main control circuit includes a main control chip U1, which is connected to the charging lamp circuit, the opening control circuit and the closing control circuit for data processing. The model of the main control chip U1 is STM32F030K6T6.
[0039] Specifically, Figure 1 , 3 As shown in Figure 9, the communication circuit is connected to the main control circuit for data communication. The communication circuit includes: a transceiver U4, a first resistor R5, a transistor Q1 and a second resistor R8; the transceiver U4 is connected to one end of the first resistor R5, the collector of the transistor Q1 and the main control circuit; the other end of the first resistor R5 is connected to a 3.3V voltage; the base of the transistor Q1 is connected to the main control circuit through the second resistor R8, and the emitter of the transistor Q1 is grounded.
[0040] Specifically, Figure 1 , 4 As shown in Figure 9, the charging lamp circuit is connected to the main control circuit and the wiring port CN1 for charging indication. The charging lamp circuit includes: a first optical coupler T3, a third resistor R6, an LED lamp LED1, a fourth resistor R15, a first capacitor C2, a second capacitor C6 and a fifth resistor R54; the pin 3 of the first optical coupler T3 is connected to the wiring port CN1 through the third resistor R6, the pin 4 of the optical coupler is connected to the wiring port CN1 and the 15V voltage, the pin 1 of the first optical coupler T3 is connected to the 3.3V voltage, and the pin 2 of the first optical coupler T3 is connected to the main control circuit; one end of the LED lamp LED1 is connected to the main control circuit through the fourth resistor R15, and the other end of the LED lamp LED1 is connected to the first capacitor C2, the second capacitor C6 and the ground end; the other end of the first capacitor C2 is connected to the fifth resistor R54 and the main control circuit; the other ends of the second capacitor C6 and the fifth resistor R54 are grounded.
[0041] Specifically, Figure 1 , 4 As shown in Figure 9, the gate opening control circuit is connected to the main control circuit and the connection port CN1 for gate opening control. The gate opening control circuit includes: a second optical coupler T6 and a sixth resistor R23; a pin 1 of the second optical coupler T6 is connected to the connection port CN1 through the sixth resistor R23, a pin 2 of the second optical coupler T6 is connected to the connection port CN1 and the digital ground, a pin 3 of the second optical coupler T6 is connected to the main control circuit, and a pin 4 of the second optical coupler T6 is connected to a 3.3V voltage.
[0042] Specifically, Figure 1 , 4 As shown in Figure 9, the closing control circuit is connected to the main control circuit and the connection port CN1 for closing control. The closing control circuit includes: a third optical coupler T7 and a seventh resistor R27; a pin 1 of the third optical coupler T7 is connected to the connection port CN1 through the seventh resistor R27, a pin 2 of the third optical coupler T7 is connected to the digital ground, a pin 3 of the third optical coupler T7 is connected to the main control circuit, and a pin 4 of the third optical coupler T7 is connected to the 3.3V voltage.
[0043] In this embodiment, 1. The input voltage Ui is 127vac. 2. The output pulse current: 80Adc. 3. The output current pulse width: 40ms (subject to the test sample time). 4. The constant storage voltage of the capacitor: 160vdc. 5. The allowable closing voltage: 150vde: (When it is 1sovde, the indicator light is on and the closing operation is allowed. When it is less than 150vdc, the system will not respond when the closing and opening buttons are pressed). 6. The time required for the capacitor to charge to 160vdc for the first time is ≤10S. 7. The opening operation has priority; (When the closing and opening buttons are pressed at the same time, the opening operation will be responded to first. If the opening button is pressed within 40ms after the closing pulse is generated, the opening operation must be responded to immediately after 70ms). 8. When the input voltage drops to 40%Ui(50Vad, a trip signal (undervoltage trip) should be issued; 9. After the input voltage is newly turned on, the capacitor has an automatic discharge function to make the residual voltage of the capacitor 0V within 120S. 10. It has an automatic trip function when the input voltage is disconnected, and the power-off delay can be selected with a dial switch.
[0044] Above, refer to Figures 1 to 9 An intelligent permanent magnet controller circuit according to an embodiment of the utility model is described, which has an integrated design, integrates multiple functions, has a simple structure and low manufacturing cost.
[0045] It should be noted that, in this specification, the terms "include", "comprises" or any other variations thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also includes other elements not explicitly listed, or also includes elements inherent to such process, method, article or device. In the absence of further restrictions, the elements defined by the sentence "comprises..." do not exclude the existence of other identical elements in the process, method, article or device including the elements.
[0046] Although the content of the utility model has been described in detail through the above preferred embodiments, it should be appreciated that the above description should not be considered as a limitation of the utility model. After reading the above content, various modifications and substitutions of the utility model will be obvious to those skilled in the art. Therefore, the protection scope of the utility model should be limited by the attached claims.
Claims
1. An intelligent permanent magnet controller circuit, characterized in that: Contains: main control circuit, communication circuit, wiring port, charging lamp circuit, opening control circuit and closing control circuit; The main control circuit is used for data processing; The communication circuit is connected to the main control circuit and is used for data communication; The charging light circuit is connected to the main control circuit and the wiring port for charging indication; The opening control circuit is connected to the main control circuit and the wiring port for opening control; The closing control circuit is connected to the main control circuit and the wiring port for closing control.
2. The intelligent permanent magnet controller circuit as claimed in claim 1, characterized in that: The main control circuit includes a main control chip, and the main control chip is connected to the charging lamp circuit, the opening control circuit and the closing control circuit for performing data processing.
3. The intelligent permanent magnet controller circuit as claimed in claim 1, characterized in that: The communication circuit comprises: a transceiver, a first resistor, a transistor and a second resistor; The transceiver is connected to one end of the first resistor, the collector of the transistor and the main control circuit; The other end of the first resistor is connected to a 3.3V voltage; The base of the transistor is connected to the main control circuit via the second resistor, and the emitter of the transistor is grounded.
4. The intelligent permanent magnet controller circuit as claimed in claim 1, characterized in that: The charging lamp circuit comprises: a first optical coupler, a third resistor, an LED lamp, a fourth resistor, a first capacitor, a second capacitor and a fifth resistor; Pin 3 of the first optical coupler is connected to the wiring port through the third resistor, pin 4 of the optical coupler is connected to the wiring port and a 15V voltage, pin 1 of the first optical coupler is connected to a 3.3V voltage, and pin 2 of the first optical coupler is connected to the main control circuit; One end of the LED lamp is connected to the main control circuit through the fourth resistor, and the other end of the LED lamp is connected to the first capacitor, the second capacitor and the ground terminal; The other end of the first capacitor is connected to the fifth resistor and the main control circuit; The other ends of the second capacitor and the fifth resistor are grounded.
5. The intelligent permanent magnet controller circuit as claimed in claim 1, characterized in that: The gate opening control circuit comprises: a second optical coupler and a sixth resistor; Pin 1 of the second optocoupler is connected to the wiring port through the sixth resistor, pin 2 of the second optocoupler is connected to the wiring port and the digital ground, pin 3 of the second optocoupler is connected to the main control circuit, and pin 4 of the second optocoupler is connected to a 3.3V voltage.
6. The intelligent permanent magnet controller circuit as claimed in claim 1, characterized in that: The closing control circuit comprises: a third optical coupler and a seventh resistor; Pin 1 of the third optocoupler is connected to the wiring port through the seventh resistor, pin 2 of the third optocoupler is connected to the digital ground, pin 3 of the third optocoupler is connected to the main control circuit, and pin 4 of the third optocoupler is connected to the 3.3V voltage.