CN217362944U - Motor controller and motor using same - Google Patents
Motor controller and motor using same Download PDFInfo
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- CN217362944U CN217362944U CN202221060466.7U CN202221060466U CN217362944U CN 217362944 U CN217362944 U CN 217362944U CN 202221060466 U CN202221060466 U CN 202221060466U CN 217362944 U CN217362944 U CN 217362944U
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- thermal fuse
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- direct current
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- fuse
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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
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Abstract
The utility model discloses a machine controller and motor of using thereof, including the control scheme board, the last integration of control scheme board has power pack, microprocessor MCU and IGBT inverter circuit, and wherein power pack exports high voltage direct current busbar voltage VDC and gives IGBT inverter circuit, and power pack still exports low pressure direct current VCC, its characterized in that: still include thermal FUSE FUSE, the one end of thermal FUSE FUSE is connected to low pressure direct current VCC, the other end of thermal FUSE FUSE is microprocessor MCU and IGBT inverter circuit power supply, when the motor temperature surpassed thermal FUSE protection temperature, the thermal FUSE FUSEs, cut off microprocessor MCU and IGBT inverter circuit's power, the motor is shut down, play the guard action, the thermal FUSE is connected on low pressure direct current VCC, it is lower to creepage distance requirement like this, the electric current that flows is little, can the selection electric current littleer, the thermal FUSE that the volume is littleer, the thermal FUSE is small, install and fix more easily, the wiring is convenient, and is low in cost.
Description
Technical Field
The utility model relates to a machine controller and motor of using thereof.
Background
At present, a plurality of motors are required to be provided with a thermal fuse, and the thermal fuse fuses when the temperature of the motor is too high, so that the motors stop working, safety problems caused by the too high temperature are prevented, and a protection effect is achieved. The thermal fuse is mainly connected to a main power supply loop of the motor, generally an alternating current input line or a direct current input line, so that the main power supply can be cut off as long as the thermal fuse is fused, the motor stops working, and the protection effect is achieved.
The prior art has the following defects: the thermal fuse is connected to the output high-voltage direct-current bus voltage VDC, the creepage distance problem needs to be considered, a large current margin needs to be selected, the size of the selected thermal fuse is large, the position installation is difficult to find when the motor space is limited, and the thermal fuse needs to be fixed by a method.
Disclosure of Invention
The utility model aims at providing a machine controller and motor of using thereof can solve the thermal fuse among the prior art and connect on output high voltage direct current busbar voltage VDC, not only need consider creepage distance's problem, still need select great current surplus, and the thermal fuse volume that can lead to selecting like this is great, and the wiring is troublesome, and the installation is inconvenient, technical problem with high costs.
The purpose of the utility model is realized by the following technical scheme.
The utility model aims at providing a motor controller, including the control scheme board, the last integration of control scheme board has power pack, microprocessor MCU and IGBT inverter circuit, and wherein power pack exports high voltage direct current busbar voltage VDC and gives IGBT inverter circuit, and power pack still exports low pressure direct current VCC, its characterized in that: still include thermal FUSE FUSE, the one end of thermal FUSE FUSE is connected to low pressure direct current VCC, and the other end of thermal FUSE FUSE is microprocessor MCU and IGBT inverter circuit power supply, and when the motor temperature exceeded thermal FUSE protection temperature, the thermal FUSE fusing cuts off microprocessor MCU and IGBT inverter circuit's power, and the motor is shut down, plays the guard action.
And a DC-DC voltage reduction circuit is also arranged between the thermal FUSE and the microprocessor MCU, and the low-voltage direct current VCC sequentially passes through the thermal FUSE FUSE and the DC-DC voltage reduction circuit to obtain a low-voltage direct current power supply VCC1 to supply power for the microprocessor MCU.
The voltage VDC of the high-voltage direct-current bus is greater than +200V, the low-voltage direct current VCC is +15V, and the low-voltage direct-current power supply VCC1 is + 5V.
The control circuit board is provided with a plurality of ports connected with external electrical equipment, the plurality of ports comprise a VDC port and a VCC port, the VDC of the high-voltage direct current bus is provided by the VDC port, and the low-voltage direct current VCC is provided by the VCC port.
The multi-path port further comprises a GND grounding port, a VSP speed input port and an FG signal feedback port, the VSP speed input port is connected to the microprocessor MCU through the VSP signal processing circuit, and the FG signal feedback port is connected to the microprocessor MCU through the FG signal feedback circuit.
The utility model provides a motor, includes motor M and machine controller, motor M includes stator module and rotor subassembly, its characterized in that: the motor controller is the motor controller, the microprocessor MCU outputs signals to control the IGBT inverter circuit to work, and the output end of the IGBT inverter circuit is electrically connected with the coil winding in the stator assembly.
Compared with the prior art, the utility model, following effect has:
1) the utility model provides a motor controller, includes the control scheme board, integrated power supply unit, microprocessor MCU and IGBT inverter circuit on the control scheme board, wherein power supply unit output high voltage direct current busbar voltage VDC gives IGBT inverter circuit, and power supply unit still outputs low pressure direct current VCC, its characterized in that: the low-voltage direct current VCC is connected with one end of the thermal FUSE, the other end of the thermal FUSE supplies power to the MCU and the IGBT inverter circuit, when the temperature of the motor exceeds the protection temperature of the thermal FUSE, the thermal FUSE FUSEs, the power supply of the MCU and the IGBT inverter circuit of the microprocessor is cut off, the motor is stopped, and the thermal FUSE plays a role in protection, and is connected to the low-voltage direct current VCC, so that the requirement on creepage distance is lower, the flowing current is small, the thermal FUSE with smaller current and smaller volume can be selected, the thermal FUSE is small in volume, easy to install and fix, convenient to wire and low in cost;
2) other advantages of the present invention will be described in detail in the examples section.
Drawings
Fig. 1 is a schematic diagram provided in the first embodiment of the present invention;
fig. 2 is a schematic diagram of an IGBT inverter circuit provided by the first embodiment of the present invention;
fig. 3 is a high-voltage direct current bus voltage VDC input circuit provided by the first embodiment of the present invention;
fig. 4 is a low voltage dc VCC input circuit according to a first embodiment of the present invention;
fig. 5 is a VSP signal processing circuit according to a first embodiment of the present invention;
fig. 6 is a FG signal feedback circuit according to a first embodiment of the present invention.
Detailed Description
The present invention will be described in further detail with reference to the following detailed description of preferred embodiments and accompanying drawings.
The first embodiment is as follows:
as shown in fig. 1 to 6, the present embodiment provides a motor controller, which includes a control circuit board, and a power supply portion, a microprocessor MCU and an IGBT inverter circuit are integrated on the control circuit board, wherein the power supply portion outputs a high voltage dc bus voltage VDC to the IGBT inverter circuit, and the power supply portion also outputs a low voltage dc VCC, and is characterized in that: still include thermal FUSE FUSE, the one end of thermal FUSE FUSE is connected to low pressure direct current VCC, the other end of thermal FUSE FUSE is microprocessor MCU and IGBT inverter circuit power supply, when the motor temperature surpassed thermal FUSE protection temperature, the thermal FUSE FUSEs, cut off microprocessor MCU and IGBT inverter circuit's power, the motor is shut down, play the guard action, the thermal FUSE is connected on low pressure direct current VCC, it is lower to creepage distance requirement like this, the electric current that flows is little, can the selection electric current littleer, the thermal FUSE that the volume is littleer, the thermal FUSE is small, install and fix more easily, the wiring is convenient, and is low in cost.
And a DC-DC voltage reduction circuit is also arranged between the thermal FUSE and the microprocessor MCU, and the low-voltage DC VCC sequentially passes through the thermal FUSE FUSE and the DC-DC voltage reduction circuit to obtain a low-voltage DC power supply VCC1 to supply power for the microprocessor MCU, so that the structural arrangement is reasonable.
The high-voltage direct-current bus voltage VDC is greater than +200V, the low-voltage direct current VCC is +15V, the low-voltage direct current power supply VCC1 is +5V, the low-voltage direct current VCC is a power supply with +15V and provides starting voltage for the IGBT, and the high-voltage direct-current bus voltage VDC is a power supply with greater than +200V and provides driving voltage for a coil of a stator assembly of the motor.
A multi-path port is led out from the control circuit board and connected with external electric equipment, the multi-path port comprises a VDC port and a VCC port, the VDC of the high-voltage direct current bus is provided by the VDC port, and the VCC of the low-voltage direct current is provided by the VCC port.
The multi-path port further comprises a GND grounding port, a VSP speed input port and an FG signal feedback port, the VSP speed input port is connected to the microprocessor MCU through the VSP signal processing circuit, and the FG signal feedback port is connected to the microprocessor MCU through the FG signal feedback circuit.
Example two:
the utility model provides a motor, includes motor M and machine controller, motor M includes stator module and rotor subassembly, its characterized in that: the motor controller is the motor controller in the first embodiment, and outputs signals to the microprocessor MCU to control the IGBT inverter circuit to work, and the output end of the IGBT inverter circuit is electrically connected with the coil winding in the stator component.
The above embodiments are preferred embodiments of the present invention, but the embodiments of the present invention are not limited thereto, and any other changes, modifications, substitutions, combinations, and simplifications made without departing from the spirit and principle of the present invention are equivalent replacement modes, and are all included in the scope of the present invention.
Claims (6)
1. The utility model provides a motor controller, includes the control scheme board, integrated power supply unit, microprocessor MCU and IGBT inverter circuit on the control scheme board, wherein power supply unit output high voltage direct current busbar voltage VDC gives IGBT inverter circuit, and power supply unit still outputs low pressure direct current VCC, its characterized in that: still include thermal FUSE FUSE, the one end of thermal FUSE FUSE is connected to low pressure direct current VCC, and the other end of thermal FUSE FUSE is microprocessor MCU and IGBT inverter circuit power supply, and when the motor temperature exceeded thermal FUSE protection temperature, the thermal FUSE fusing cuts off microprocessor MCU and IGBT inverter circuit's power, and the motor is shut down, plays the guard action.
2. A motor controller according to claim 1, wherein: and a DC-DC voltage reduction circuit is also arranged between the thermal FUSE and the microprocessor MCU, and the low-voltage direct current VCC sequentially passes through the thermal FUSE FUSE and the DC-DC voltage reduction circuit to obtain a low-voltage direct current power supply VCC1 to supply power for the microprocessor MCU.
3. A motor controller according to claim 2, wherein: the high-voltage direct-current bus voltage VDC is greater than +200V, the low-voltage direct current VCC is +15V, and the low-voltage direct current power supply VCC1 is + 5V.
4. A motor controller according to claim 1, 2 or 3, wherein: a multi-path port is led out from the control circuit board and connected with external electric equipment, the multi-path port comprises a VDC port and a VCC port, the VDC of the high-voltage direct-current bus is provided by the VDC port, and the VCC of the low-voltage direct-current bus is provided by the VCC port.
5. A motor controller according to claim 4, wherein: the multi-path port further comprises a GND grounding port, a VSP speed input port and an FG signal feedback port, the VSP speed input port is connected to the microprocessor MCU through the VSP signal processing circuit, and the FG signal feedback port is connected to the microprocessor MCU through the FG signal feedback circuit.
6. The utility model provides a motor, includes motor M and machine controller, motor M includes stator module and rotor subassembly, its characterized in that: the motor controller is the motor controller of any one of claims 1 to 5, and is used for controlling the operation of an IGBT inverter circuit for the output signal of the MCU, and the output end of the IGBT inverter circuit is electrically connected with a coil winding in the stator component.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221060466.7U CN217362944U (en) | 2022-05-06 | 2022-05-06 | Motor controller and motor using same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221060466.7U CN217362944U (en) | 2022-05-06 | 2022-05-06 | Motor controller and motor using same |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217362944U true CN217362944U (en) | 2022-09-02 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221060466.7U Active CN217362944U (en) | 2022-05-06 | 2022-05-06 | Motor controller and motor using same |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217362944U (en) |
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2022
- 2022-05-06 CN CN202221060466.7U patent/CN217362944U/en active Active
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