CN219627589U - Dual-voltage output motor controller - Google Patents
Dual-voltage output motor controller Download PDFInfo
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- CN219627589U CN219627589U CN202321145636.6U CN202321145636U CN219627589U CN 219627589 U CN219627589 U CN 219627589U CN 202321145636 U CN202321145636 U CN 202321145636U CN 219627589 U CN219627589 U CN 219627589U
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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 provides a double-voltage output motor controller which is provided with two sets of control circuits, can realize low-voltage direct current output and high-voltage direct current output, and can provide two different electric energy of high voltage and low voltage. The low-voltage direct-current output control circuit is formed by connecting a rectifier bridge, a first thin film capacitor group, a buck driving module, an inductor and an electrolytic capacitor; the high-voltage direct-current output control circuit is formed by connecting a full-control rectification driving module and a second thin film capacitor group; the buck driving module and the full-control rectifying driving module are controlled by a main control module. The controller is connected with a bus through a control chip, receives signals of an upper controller, then controls two paths of control circuits to generate different driving signals, realizes high-voltage and low-voltage output, independently controls two paths of alternating current inputs, and has quick dynamic response; the controller has the characteristics of small volume, light weight and the like.
Description
Technical Field
The utility model relates to a motor controller, in particular to a high-low voltage double-output motor controller.
Background
Energy conservation and environmental protection and new energy utilization are increasingly emphasized in the current society. The electric energy is a new energy which is paid attention to because of the advantages of near zero pollution, low noise, high energy conversion efficiency, simple structure of the application equipment and the like.
The power generated by the generator needs to be controlled to be output according to the requirement, and for the motor controller on the vehicle, the existing controller of the same type has the defects of large volume, large weight, low power density, single output voltage, incapability of reasonably utilizing space and the like.
Disclosure of Invention
In order to overcome the defects, the motor controller provided by the utility model has a compact structure and can simultaneously provide two voltage outputs.
The technical scheme of the utility model is as follows: a dual-voltage output motor controller comprises two sets of control circuits, wherein the first set is a low-voltage direct-current output control circuit, and the second set is a high-voltage direct-current output control circuit;
the low-voltage direct current output control circuit is as follows: the output end of the generator is connected with a rectifier bridge, the rectifier bridge is connected with a first thin film capacitor group, the first thin film capacitor group is connected with a buck driving module, the output end of the buck driving module is connected with an inductor, the inductor is connected with an electrolytic capacitor, and the electrolytic capacitor is connected to a low-voltage direct-current output positive aviation plug on the controller; the high-voltage direct-current output control circuit is as follows: the output end of the generator is connected with a full-control rectifying driving module, the output end of the full-control rectifying driving module is connected with a second thin film capacitor group, and the second thin film capacitor group is connected to a high-voltage direct-current output positive aviation plug on the controller;
the buck driving module and the full-control rectifying driving module are controlled by a main control module.
Further: the controller is provided with 10 aviation connecting plugs, is respectively: high-voltage direct-current output positive aviation plug, high-voltage direct-current output negative aviation plug, low-voltage direct-current output positive aviation plug, low-voltage direct-current output negative aviation plug, communication aviation plug, high-voltage alternating-current input aviation plug, low-voltage alternating-current input aviation plug, rotary-variable aviation plug, power aviation plug and serial port communication aviation plug;
the high-voltage direct-current output positive aviation plug and the negative aviation plug are connected with high-voltage power supply equipment, and the low-voltage direct-current output positive aviation plug and the negative aviation plug are connected with the low-voltage power supply equipment;
the communication aviation plug is connected with the upper controller;
the high-voltage alternating-current input aviation plug is connected with the high-voltage alternating-current output end of the generator, and the low-voltage alternating-current input aviation plug is connected with the low-voltage alternating-current output end of the generator;
the rotary-variable aviation plug is connected with a generator for rotary-variable;
the power aerial plug is connected with a power supply;
the serial port communication aviation plug is connected with the reader-writer.
Further: the main control module is provided with a control chip, a position signal processing circuit, a current signal processing circuit, a temperature signal processing circuit and a debugging interface circuit, and all the circuits are electrically connected with the control chip uniformly;
the position signal processing circuit, the current signal processing circuit and the temperature signal processing circuit receive external signals through the rotary navigation socket, and the debugging interface circuit receives external signals through the serial port communication navigation socket.
Further: the controller is provided with a box body, and the low-voltage direct-current output control circuit and the high-voltage direct-current output control circuit are both arranged in the box body;
the buck driving module and the full-control rectifying driving module are arranged at the bottommost part of the box body side by side, the main control module is arranged above the two driving modules, and a first shielding plate is arranged between the main control module and the driving modules at intervals;
a second shielding plate is arranged above the main control module, and a voltage acquisition plate is arranged above the second shielding plate;
the rectifier bridge in the low-voltage direct-current output control circuit is positioned below the low-voltage direct-current output positive aviation plug and the low-voltage direct-current output negative aviation plug, the first thin film capacitor is arranged at the bottom of the box body, the inductor is positioned on the right side of the buck driving module, and the electrolytic capacitor is positioned below the buck driving module;
and a second thin film capacitor group in the high-voltage direct-current output control circuit is positioned beside the full-control rectifying driving module.
Further: and a heat dissipation water channel is arranged in the box body and is inserted between the buck driving module and the full-control rectifying driving module.
Further: the four corners of the outer side of the bottom of the box body are provided with brackets, and the bottom of each bracket is provided with a shock pad.
Further: the box, upper cover plate and lower casing two parts are constituteed, and the upper cover plate is fixed in on the lower casing with the screw along all around, is provided with the seal groove on the face that upper cover plate contacted with the lower casing, be equipped with joint strip in the seal groove.
The beneficial effects of the utility model are as follows:
1. the whole structure is compact, the volume is small, the power density is high, the anti-interference capability of the shielding plate is high, the connecting wire harness is few, the occupied space is greatly reduced, and the controller in the prior art is more than 1.5 times of the controller;
2. the fixed damping function is set, so that the anti-seismic performance is stronger;
3. and a double driving circuit is arranged to realize double-voltage output.
Drawings
Fig. 1 is a schematic diagram of a controller system.
Fig. 2 is an isometric view of a controller structure.
Fig. 3 is a diagram of a controller interface connection.
Fig. 4 is a diagram of the main control module and the external interface.
Fig. 5 is a diagram of the interior of the controller (with the upper cover plate removed).
Fig. 6 is an exploded view of the controller.
Fig. 7 is a diagram of the internal waterway of the controller.
In the figure: 1: an upper cover plate; 2: a lower housing; 3:270V direct current output positive aviation plug; 4:270V direct current output negative aviation plug; 5:28V direct current output positive aviation plug; 6:28V direct current output negative aviation plug; 7: communication aviation plug; 8: low-voltage alternating current input aviation plug; 9: high-voltage alternating current input aviation plug; 10: performing rotary-variable aviation plug; 11: performing power supply aviation plug; 12: serial port communication aviation plug; 13: a main control module; 14: a buck driving module; 15: a full-control rectifying driving module; 16: a rectifier bridge; 17: a first thin film capacitor group; 18: an inductance; 19: an electrolytic capacitor; 20: a second thin film capacitor group; 21: a first shielding plate; 22: a second shielding plate; 23: a voltage acquisition board; 24: a bracket; 25: a water channel;
130: a control chip; 131: a position signal processing circuit; 132: a current signal processing circuit; 133: a temperature signal processing circuit; 134: a debug interface circuit; 135: other circuits.
Detailed Description
For ease of implementation, the inventive arrangements are further described below with reference to the drawings and examples.
As shown in fig. 2, the present utility model provides a dual voltage output motor controller, structurally provided with a case on which all the other components are mounted. The box body consists of an upper cover plate 1 and a lower shell 2, and after the internal devices are assembled, the upper cover plate 1 is fixed on the lower shell 2 by screws uniformly distributed along the periphery to form a closed space structure. Further, a sealing groove can be formed in any one or both surfaces of the upper cover plate 1 and the lower shell 2, and a sealing rubber strip is arranged in the sealing groove so as to improve the sealing performance of the box body.
The box front end is equipped with 10 aviation connecting plugs, is respectively: 270V direct current output positive aviation plug 3, 270V direct current output negative aviation plug 4, 28V direct current output positive aviation plug 5, 28V direct current output negative aviation plug 6, communication aviation plug 7, low-voltage alternating current input aviation plug 8, high-voltage alternating current input aviation plug 9, rotary conversion aviation plug 10, power supply aviation plug 11 and serial communication aviation plug 12.
Wherein: the 270V direct current output positive aviation plug is used for connecting the positive electrode of the 270V vehicle-mounted battery; the 270V direct current output negative aviation plug is used for connecting with the negative electrode of the 270V vehicle-mounted battery; the 28V direct current output positive aviation plug is used for connecting the positive electrode of the 28V vehicle-mounted battery; the 28V direct current output negative aviation plug is used for connecting the negative electrode of the 28V vehicle-mounted battery; the communication aviation plug is used for connecting an upper layer controller (whole vehicle data bus); the low-voltage alternating current input aviation plug is used for being connected with a low-voltage alternating current output end of the generator, and the high-voltage alternating current input aviation plug is used for being connected with a high-voltage alternating current output end of the generator; the rotary-variable aviation plug is used for connecting a generator rotary-variable; the power aerial plug is used for connecting a power supply source and supplying power to the controller at low voltage; the serial port communication aviation plug is used for connecting a reader-writer and writing a control program into the controller; the wiring relationship is shown in fig. 3.
Here, the high voltage and the low voltage are only relative, in the embodiment, 270V is the high voltage output, and 28V is the low voltage output compared with 270V and 28V; the low-voltage alternating current generated by the generator is generally about 50-200V, and the high-voltage alternating current is generally about 270-300V.
The box body is internally provided with a plurality of components to form two sets of control circuits, as shown in figure 1, the first set of control circuit is a low-voltage direct-current output control circuit and is a buck circuit, and the purpose of the control circuit is to output 28V direct current; the second set of control circuit is a high-voltage direct-current output control circuit, is a set of full-control rectification circuit and aims to output 270V direct current. The two sets of control circuits share a main control module 13, the main control module 13 simultaneously controls the two driving modules, the low-voltage direct-current output control circuit driving module is a buck driving module 14, and the high-voltage direct-current output control circuit driving module is a full-control rectification driving module 15.
The low-voltage direct current output control circuit is as follows: the output end of the generator (namely the alternating current input end of the controller) is connected with the rectifier bridge 16, the rectifier bridge 16 is connected with the first thin film capacitor group 17, the first thin film capacitor group 17 is connected with the buck driving module 14 again, the buck driving module 14 is controlled by the main control module 13, the output end of the buck driving module 14 is connected with the inductor 18, the inductor 18 is connected with the electrolytic capacitor 19 again, and the electrolytic capacitor 19 is connected to the 28V direct current output positive aviation plug 5.
The high-voltage direct current output control circuit is as follows: the output end of the generator (namely the alternating current input end of the controller) is connected with the full-control rectifying driving module 15, the full-control rectifying driving module 15 is also controlled by the main control module 13, the output end of the full-control rectifying driving module 15 is connected with the second thin film capacitor group 20, and the second thin film capacitor group 20 is connected to the 270V direct current output positive aviation plug 3.
The main control module 13 is provided with a control chip 130, the control chip is connected with an external data bus through a communication aviation plug 7 arranged on the box body, receives signals of the upper layer controller, processes the signals of the upper layer controller, outputs control signals to the driving module, and processes alternating current output electricity of the generator after receiving the control signals by the driving module to generate different output voltages. The controller has the advantages that two driving modules can be controlled through one main control module, alternating current output electricity of the generator is divided into two paths of independent control, two different output voltages are provided, and the controller has the advantage of quick dynamic response. Further, the main control module 13 supplies 24V low-voltage working current to the main control module through the power aviation plug 11.
For the low-voltage direct-current output control circuit, three-phase alternating current conveyed by a generator is subjected to rectification and filtering treatment through a rectifier bridge 16 and a first thin film capacitor group 17 to form high-voltage direct current, the level change of the buck driving module 14 is controlled through the main control module 13, when the buck driving module 14 is at a high level, a switching tube is conducted with the direct current to magnetize the inductor 18, the current flowing through the inductor is increased linearly, and meanwhile, the thin film capacitor is charged; when buck drive module 14 is low, the switching tube turns off, inductor 18 discharges, the current in the inductor decreases linearly, and the output voltage is maintained by the filtered film capacitance and the reduced inductor current. The level of the driving module is controlled by the main control module, the duty ratio of the square wave is regulated by the main control module, the passing energy is controlled, the square wave of the driving module is subjected to low-pass filtering, and finally, the stable 28v direct current is output.
For the high-voltage direct-current output control circuit, three-phase alternating current conveyed by the generator firstly passes through the full-control rectification driving module 15, the main control board 13 inputs a control signal to the full-control rectification driving module 15 to control the high and low levels of the full-control rectification driving module 15, so that the switching of the switching tube is controlled through the driving module, the main control module 13 inputs the control signal to the full-control rectification driving module 15 to control the duty ratio of the high and low levels, the purpose of reducing voltage is achieved through the switching of the switching tube controlled by the driving module, the alternating current is changed into direct current to be output after passing through the second thin film capacitor group 20, and finally the stable 270V direct current is output. The second thin film capacitor set 20 plays a role of energy storage filtering in a circuit, and charges energy when a switching tube in the circuit is opened and releases energy when the switching tube is closed through a capacitor so as to enable output 270V to be more stable.
Further, the main control module 13 is further provided with a multi-path detection processing circuit, as shown in fig. 4, including: a position signal processing circuit 131, a current signal processing circuit 132, a temperature signal processing circuit 133, a debug interface circuit 134, and other circuits 135. Each detection processing circuit is electrically connected with the control chip 130; the position signal processing circuit 131, the current signal processing circuit 132 and the temperature signal processing circuit 133 receive external sensor signals through respective interfaces, the sensor signals are accessed through the rotary navigation plug 8, the debugging interface circuit 134 receives external signals through the serial port communication navigation plug 12 and transmits the external signals to the control chip, and the serial port communication navigation plug 12 performs data exchange with the control chip more efficiently; other circuits 135 receive signals or send signals through the power strip 9. Each detection processing circuit processes the sensor signals and transmits the sensor signals to the control chip.
Further, in terms of a hardware structure, as shown in fig. 5 and 6, the controller is configured to set two driving modules at the bottommost part of the box side by side, a first shielding plate 21 is spaced between the driving modules above the main control module and the two driving modules, and the main control module and the driving modules are electrically connected by twisted pairs.
In addition, a second shielding plate 22 is arranged above the main control module, a voltage acquisition plate 23 for acquiring input and output voltages is arranged above the second shielding plate 22, and the voltage acquisition plate 23 is used for detecting voltage values output by two sets of control circuits and feeding back the voltage values to the main control board.
The rectifier bridge 16 in the low-voltage direct-current output control circuit is positioned below the low-voltage direct-current output positive aviation plug and the low-voltage direct-current output negative aviation plug, the first thin film capacitor group 17 is positioned at the bottom of the box body, the inductor 18 is positioned at the right side of the buck driving module, and the electrolytic capacitor 19 is positioned below the buck driving module;
the second thin film capacitor group 20 in the high voltage dc output control circuit is located beside the fully controlled rectifying drive module.
The interlayer layout can be compact in device arrangement, greatly saves space, and can reduce and shorten wiring quantity as much as possible.
Further, the bottom of the box body is provided with heat dissipation water channels 25 (as shown in fig. 7) with different depths according to the positions of the main heating devices, so as to achieve a good heat dissipation effect, and the heat dissipation water channels are inserted between the buck driving module 14 and the full-control rectifying driving module 15 to dissipate heat.
Further, the four corners of the outer side of the bottom of the box body are provided with brackets 24 for fixing, and shock pads are arranged at the bottom of the brackets for shock absorption.
Claims (7)
1. A dual voltage output motor controller, characterized by: the control circuit comprises two sets of control circuits, wherein the first set is a low-voltage direct-current output control circuit, and the second set is a high-voltage direct-current output control circuit;
the low-voltage direct current output control circuit is as follows: the output end of the generator is connected with a rectifier bridge, the rectifier bridge is connected with a first thin film capacitor group, the first thin film capacitor group is connected with a buck driving module, the output end of the buck driving module is connected with an inductor, the inductor is connected with an electrolytic capacitor, and the electrolytic capacitor is connected to a low-voltage direct-current output positive aviation plug on the controller;
the high-voltage direct-current output control circuit is as follows: the output end of the generator is connected with a full-control rectifying driving module, the output end of the full-control rectifying driving module is connected with a second thin film capacitor group, and the second thin film capacitor group is connected to a high-voltage direct-current output positive aviation plug on the controller;
the buck driving module and the full-control rectifying driving module are controlled by a main control module.
2. The dual voltage output motor controller of claim 1, wherein: the controller is provided with 10 aviation connecting plugs, is respectively: high-voltage direct-current output positive aviation plug, high-voltage direct-current output negative aviation plug, low-voltage direct-current output positive aviation plug, low-voltage direct-current output negative aviation plug, communication aviation plug, high-voltage alternating-current input aviation plug, low-voltage alternating-current input aviation plug, rotary-variable aviation plug, power aviation plug and serial port communication aviation plug;
the high-voltage direct-current output positive aviation plug and the negative aviation plug are connected with high-voltage power supply equipment, and the low-voltage direct-current output positive aviation plug and the negative aviation plug are connected with the low-voltage power supply equipment;
the communication aviation plug is connected with the upper controller;
the high-voltage alternating-current input aviation plug is connected with the high-voltage alternating-current output end of the generator, and the low-voltage alternating-current input aviation plug is connected with the low-voltage alternating-current output end of the generator;
the rotary-variable aviation plug is connected with a generator for rotary-variable;
the power aerial plug is connected with a power supply;
the serial port communication aviation plug is connected with the reader-writer.
3. The dual voltage output motor controller according to claim 1 or 2, wherein: the main control module is provided with a control chip, a position signal processing circuit, a current signal processing circuit, a temperature signal processing circuit and a debugging interface circuit, and all the circuits are electrically connected with the control chip uniformly;
the position signal processing circuit, the current signal processing circuit and the temperature signal processing circuit receive external signals through the rotary navigation socket, and the debugging interface circuit receives external signals through the serial port communication navigation socket.
4. The dual voltage output motor controller of claim 1, wherein: the controller is provided with a box body, and the low-voltage direct-current output control circuit and the high-voltage direct-current output control circuit are both arranged in the box body;
the buck driving module and the full-control rectifying driving module are arranged at the bottommost part of the box body side by side, the main control module is arranged above the two driving modules, a first shielding plate is arranged between the main control module and the driving modules at intervals,
a second shielding plate is arranged above the main control module, and a voltage acquisition plate is arranged above the second shielding plate;
the rectifier bridge in the low-voltage direct-current output control circuit is positioned below the low-voltage direct-current output positive aviation plug and the low-voltage direct-current output negative aviation plug, the first thin film capacitor is arranged at the bottom of the box body, the inductor is positioned on the right side of the buck driving module, and the electrolytic capacitor is positioned below the buck driving module;
and a second thin film capacitor group in the high-voltage direct-current output control circuit is positioned beside the full-control rectifying driving module.
5. The dual voltage output motor controller of claim 4, wherein:
and a heat dissipation water channel is arranged in the box body and is inserted between the buck driving module and the full-control rectifying driving module.
6. The dual voltage output motor controller of claim 4, wherein:
the four corners of the outer side of the bottom of the box body are provided with brackets, and the bottom of each bracket is provided with a shock pad.
7. The dual voltage output motor controller of claim 4, wherein:
the box, upper cover plate and lower casing two parts are constituteed, and the upper cover plate is fixed in on the lower casing with the screw along all around, is provided with the seal groove on the face that upper cover plate contacted with the lower casing, be equipped with joint strip in the seal groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321145636.6U CN219627589U (en) | 2023-05-12 | 2023-05-12 | Dual-voltage output motor controller |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321145636.6U CN219627589U (en) | 2023-05-12 | 2023-05-12 | Dual-voltage output motor controller |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219627589U true CN219627589U (en) | 2023-09-01 |
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ID=87796923
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321145636.6U Active CN219627589U (en) | 2023-05-12 | 2023-05-12 | Dual-voltage output motor controller |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219627589U (en) |
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2023
- 2023-05-12 CN CN202321145636.6U patent/CN219627589U/en active Active
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