CN218998631U - Electric control power integration device, rectification inversion system, power supply device and electric automobile - Google Patents
Electric control power integration device, rectification inversion system, power supply device and electric automobile Download PDFInfo
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- CN218998631U CN218998631U CN202222638770.1U CN202222638770U CN218998631U CN 218998631 U CN218998631 U CN 218998631U CN 202222638770 U CN202222638770 U CN 202222638770U CN 218998631 U CN218998631 U CN 218998631U
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Abstract
The embodiment of the utility model provides an electric control power integration device, a rectification inversion system, a power supply device and an electric automobile, and belongs to the technical field of circuit integration. The electric control power integration device comprises: the power device comprises a direct current bus anode and a direct current bus cathode and a three-phase output electrode; the support capacitor is arranged at the positive and negative positions of the direct current bus of the power device and shares the positive and negative electrodes of the direct current bus with the power device; the current sensor is arranged at the position of the three-phase output electrode of the power device and is connected with the power device through a line row. The electric control power integration device realizes the integration of electric control components and functions, and has the advantages of compact structural layout, small occupied space and simple and convenient installation and use.
Description
Technical Field
The utility model relates to the technical field of circuit integration, in particular to an electric control power integration device, a rectification inversion system, a power supply device and an electric automobile.
Background
The power device, the supporting capacitor, the current sensor and the magnetic ring are commonly used electronic components, are generally separated and are required to be installed independently due to different functions, so that the occupied space in practical application is large, the space utilization rate is low, the required installation time is long, the functions of the power device, the supporting capacitor, the current sensor and the magnetic ring are relatively single, the development trend of integration and multifunctionality of the electronic components is not met, and the power device is not suitable for product design application with certain structural limitations. On the other hand, each component needs a respective die for producing a respective shell in the production process, and the production cost is relatively high.
Disclosure of Invention
The embodiment of the utility model aims to provide a device which integrates a common power device, a supporting capacitor, a current sensor and a magnetic ring electronic component, and has compact structural layout, small occupied space and simple and convenient installation and use.
In order to achieve the above object, an embodiment of the present utility model provides an electric control power integration device, including: the power device comprises a direct current bus anode and a direct current bus cathode and a three-phase output electrode; the support capacitor is arranged at the positive and negative positions of the direct current bus of the power device and shares the positive and negative electrodes of the direct current bus with the power device; the current sensor is arranged at the position of the three-phase output electrode of the power device and is connected with the power device through a line row.
Preferably, the electrically controlled power integration device further includes: the magnetic ring is arranged at the positive and negative positions of the direct current bus and is connected with the power device through a wire row.
Preferably, the electrically controlled power integration device further includes: and a temperature sensor disposed at a hot spot position of the support capacitor, the power device, and the line bank.
Optionally, the temperature sensor is a thermocouple element.
Preferably, the electrically controlled power integration device further includes: and the radiator is arranged at the bottom plate position of the power device and is used for radiating heat for the power device and the supporting capacitor.
Preferably, the whole electric control power integrated device is encapsulated by epoxy resin, and the control circuit pins of the power device, the positive and negative poles of the direct current bus and the three-phase output electrode are exposed.
Preferably, the power device is an IGBT or a Mosfet component; the supporting capacitor is formed by a magnetron sputtering mode; the material of the line row, the positive electrode and the negative electrode of the direct current bus and the three-phase output electrode is at least one of the following materials: tin-plated copper, aluminum; the current sensor is a Hall element; the magnetic ring is made of ferrite; the electric control power integration device is provided with a shell, and the shell is made of PPS material.
On the other hand, the utility model also provides a rectifying inversion system which comprises the electric control power integration device.
On the other hand, the utility model also provides a power supply device which comprises the electric control power integration device.
On the other hand, the utility model also provides an electric automobile, which comprises the electric control power integration device.
Through the technical scheme, the electric control power integration device integrates a common power device, a supporting capacitor and a current sensor, the supporting capacitor and the power device share the anode and the cathode of a direct current bus, and the current sensor and the magnetic ring are arranged at the electrode position of the power device, so that the electric control power integration device is compact in overall structure layout, small in occupied space and simple and convenient to install and use. The electric control power integrated device also integrates a magnetic ring to suppress high-frequency noise in the circuit. The electric control power integrated device also integrates a radiator, and can radiate heat for the power device and the supporting capacitor. The electric control power integrated device can monitor the working temperature of the integrated device by arranging a temperature sensor at a hot spot position.
Additional features and advantages of embodiments of the utility model will be set forth in the detailed description which follows.
Drawings
The accompanying drawings are included to provide a further understanding of embodiments of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain, without limitation, the embodiments of the utility model. In the drawings:
FIG. 1A is a front view of a power module;
FIG. 1B is a front view of a support capacitor;
FIG. 1C is a front view of a current sensor;
FIG. 1D is a front view of a magnetic ring;
FIG. 2 is a schematic layout of one embodiment of an electronically controlled power integration apparatus of the present utility model;
FIG. 3A is an elevation view of another embodiment of an electronically controlled power integration apparatus of the present utility model;
fig. 3B is an arrangement back view of another embodiment of the electronically controlled power integration apparatus of the present utility model.
Description of the reference numerals
1. 2, 3-three-phase output electrode
4. 4', 4' -DC bus negative electrode
5. 5', 5' -DC bus positive electrode
11-a power device;
21. 22, 23-current sensors;
31-a support capacitor;
41-a magnetic ring;
51. 52—a temperature sensor; and
61-heat sink.
Detailed Description
The following describes the detailed implementation of the embodiments of the present utility model with reference to the drawings. It should be understood that the detailed description and specific examples, while indicating and illustrating the utility model, are not intended to limit the utility model.
The plurality of electronic components integrated in the electric control power integrated device of the utility model are usually separated and need to be installed separately, and the electronic components comprise a power device, a capacitor, a current sensor and a magnetic ring component which are applied to the new energy power supply device as shown in fig. 1A-1D. The power device shown in fig. 1A may be used, for example, to invert the dc power output by the power battery into an ac power driving motor, and may also be used to rectify the power fed by the motor into dc power and charge the power battery; the supporting capacitor shown in fig. 1B can smooth and filter the output voltage of the rectifier, and absorb the high-amplitude pulsating current, so that the voltage fluctuation on the bus is kept in an allowable range; the current sensor as shown in fig. 1C is required to be installed at each phase side of the power device outputting three-phase alternating current, and is used for detecting each phase current outputted; the magnetic ring shown in fig. 1D is installed at the positive and negative poles of the dc bus for suppressing the influence of high frequency noise on the circuit. When the components are independently installed and used, three- phase output electrodes 1, 2 and 3 of the power device shown in fig. 1A are respectively connected with UVW three-phase interfaces of a motor; the dc bus cathodes 4, 4', 4 "are equipotential ends, the dc bus anodes 5, 5', 5" are equipotential ends, two groups of dc bus anodes and cathodes are respectively connected with the corresponding positive and negative interfaces (for example, 4 'and 5, 5') of the supporting capacitor in fig. 1B, the remaining group of ports of the dc bus anodes and cathodes are connected with the positive and negative ports of the power battery, or the remaining group of ports of the dc bus anodes and cathodes are connected with the positive and negative ports of the power battery through a magnetic ring, and the influence of high-frequency noise on a circuit can be restrained through the magnetic ring.
In the prior art, the devices are commonly used in power supply devices in the industries of new energy, energy conservation, power supply, electric locomotives and the like, however, because each component is independently designed and packaged, the occupied space is large, the space utilization rate is low, the required installation time is long, and the devices are not easy to arrange particularly for product design with certain structural limitations. Meanwhile, the shell needs to be designed, produced and packaged separately in the production process, and the shell is produced through the respective dies, so that the cost is relatively high.
To solve the foregoing problems, the inventors of the present application devised an electronically controlled power integration apparatus of the present utility model, one embodiment of which is shown in fig. 2.
In the present embodiment, the support capacitor 31 and the current sensors 21, 22, and 23 are integrated on the basis of the power device 11. Specifically, the supporting capacitor 31 is disposed around the positive and negative poles of the dc bus of the power device 11, and the power device 11 and the supporting capacitor 31 share the positive and negative poles of the bus, for example, may be the negative poles 4, 4 'and the positive poles 5, 5' of the bus of the power device 11 as shown in fig. 1A, but not limited to, only one set of positive and negative poles of the bus needs to be reserved for connecting the positive and negative poles of the input power or the output power. The electrode of the supporting capacitor 31 is connected with the substrate of the power device 11 by ultrasonic welding; current sensors 21, 22 and 23 are arranged around the three- phase output electrodes 1, 2, 3 of the power device 11.
When the integrated device is used, the three- phase output electrodes 1, 2 and 3 are respectively connected with UVW three-phase interfaces of the motor, the positive electrode and the negative electrode (4 'and 5') of the direct current bus are connected with the positive electrode and the negative electrode of the power battery, and the direct current output by the power battery can be inverted to alternating current and drive the motor, or the motor is fed and rectified to direct current and then the power battery is charged.
Compared with the prior art, the electric control power integration device has the technical advantages that:
(1) The integrated components can work simultaneously according to the requirements, can also work independently in a time-sharing way, and can be suitable for more application scenes;
(2) The integrated device occupies small space and has light weight after being integrally packaged, which is beneficial to the design of products with limited structures or the design and structural optimization of the existing products;
(3) The integrated device can be integrally installed, so that working hours are saved;
(4) And during production, only integral packaging is needed, so that working procedure time and cost are saved.
In some embodiments, magnetic rings 41 are arranged around the bus bar negative electrode 4 "and the bus bar positive electrode 5" of the power device 11, and the magnetic rings 41 are connected with the bus bar positive electrodes 4 "and 5" of the power device 11 through copper bars. In use, unlike the previous embodiment, the positive and negative poles of the power battery are not directly connected to the positive and negative poles of the power device 11, but are connected to the positive and negative poles of the power battery through magnetic rings.
In some embodiments, the power device 11 is an IGBT or Mosfet component.
In some embodiments, the temperature sensors 51 and 52 are disposed at key positions of each component, such as a hot spot position of a thin film capacitor, a hot spot position of an IGBT, a hot spot position of a copper bar, etc., as shown in fig. 3A, but not limited to, according to the above-mentioned components, the temperature is easily raised, and the location where the temperature needs to be monitored may be disposed.
In some embodiments, a heat sink 61 is also integrated, as shown in fig. 3B. The heat sink 61 spreads over the entire bottom plate of the power device 11 for dissipating heat from the power module 11 and the bus bar support capacitor 31. The heat sink 61 is made of high heat conductive material such as aluminum silicon carbide, copper plate, high heat conductive ceramic, but not limited thereto.
Another embodiment of the electric control power integrated device of the present utility model is an electric control integrated power module, and reference is made to fig. 3A and 3B.
In the embodiment, the power device 11 and the supporting capacitor 31 in the integrated module share the positive and negative poles of the bus, the power device 11 outputs three-phase poles, the current sensors 21, 22 and 23 are circumferentially arranged, the magnetic rings 41 are circumferentially arranged at the positive and negative poles of the bus, and the temperature sensors 51 and 52 are arranged at key parts of the devices to form a complete rectifying and inverting system together with an external system.
In some embodiments, the power device 11 adopted by the electric control integrated power module is an IGBT or Mosfet component, the supporting capacitor 31 is a capacitor formed by magnetron sputtering, the busbar and the electrode are both made of tin-plated copper, the current sensors 21, 22 and 23 are hall elements, the temperature sensors 51 and 52 are thermocouple elements, the magnetic ring 41 is made of ferrite materials, the radiator 61 is made of high heat conduction materials, the shell is made of PPS materials, the whole integrated power module is encapsulated by epoxy resin, and the control circuit pins connected with the circuit board, the electrodes connected with the power battery and the three-phase electrodes connected with the motor are exposed.
It should be noted that, in this embodiment, the number and specification parameters of the related components may be increased or decreased according to the actual application conditions and requirements, and the arrangement patterns of the components may also be adjusted according to the actual application space.
It should be noted that the material of the integrated power module housing used in the present utility model is polyphenylene sulfide PPS, and other materials meeting the practical application requirements, such as plastic, can be used instead. The tin-plated copper material of the bus and the electrode can adopt conductive materials such as pure copper or aluminum according to working condition requirements. The capacitor medium can be manufactured by adopting other processes and materials meeting the use requirements. The epoxy potting adhesive combination may be replaced by potting with other suitable potting materials.
The embodiment of the utility model provides a rectifying inversion system which comprises an electric control power integration device.
The embodiment of the utility model provides a power supply device which comprises an electric control power integration device.
The embodiment of the utility model provides an electric automobile, which comprises an electric control power integration device.
It should also be noted that the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising one … …" does not exclude the presence of other like elements in a process, method, article or apparatus that comprises an element.
The foregoing is merely exemplary of the present application and is not intended to limit the present application. Various modifications and changes may be made to the present application by those skilled in the art. Any modifications, equivalent substitutions, improvements, etc. which are within the spirit and principles of the present application are intended to be included within the scope of the claims of the present application.
Claims (11)
1. An electrically controlled power integration device, comprising:
the power device comprises a direct current bus anode and a direct current bus cathode and a three-phase output electrode;
the support capacitor is arranged at the positive and negative positions of the direct current bus of the power device and shares the positive and negative electrodes of the direct current bus with the power device; and
the current sensor is arranged at the position of the three-phase output electrode of the power device and is connected with the power device through a line row.
2. The electrically controlled power integration device of claim 1, further comprising:
the magnetic ring is arranged at the positive and negative positions of the direct current bus and is connected with the power device through a wire row.
3. The electrically controlled power integration device of claim 1, further comprising:
and a temperature sensor disposed at a hot spot position of the support capacitor, the power device, and the line bank.
4. The electrically controlled power integration device of claim 3, wherein,
the temperature sensor is a thermocouple element.
5. The electrically controlled power integration device of claim 1, further comprising:
and the radiator is arranged at the bottom plate position of the power device and is used for radiating heat for the power device and the supporting capacitor.
6. The electric control power integration device according to claim 1, wherein the electric control power integration device is integrally encapsulated by epoxy resin, and control circuit pins of the power device, the positive and negative poles of the direct current bus and the three-phase output electrode are exposed.
7. The electrically controlled power integration device of claim 1, wherein,
the power device is an IGBT or a Mosfet component;
the supporting capacitor is formed by a magnetron sputtering mode;
the material of the line row, the positive electrode and the negative electrode of the direct current bus and the three-phase output electrode is as follows: tin-plated copper, copper or aluminum;
the current sensor is a Hall element;
the electric control power integration device is provided with a shell, and the shell is made of PPS material.
8. The electrically controlled power integration device of claim 2, wherein the magnetic ring is ferrite.
9. A commutated inversion system comprising an electrically controlled power integration device according to any one of claims 1-8.
10. A power supply device characterized by comprising an electrically controlled power integration device according to any one of claims 1-8.
11. An electric vehicle characterized by comprising an electrically controlled power integration device according to any one of claims 1-8.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222638770.1U CN218998631U (en) | 2022-09-30 | 2022-09-30 | Electric control power integration device, rectification inversion system, power supply device and electric automobile |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222638770.1U CN218998631U (en) | 2022-09-30 | 2022-09-30 | Electric control power integration device, rectification inversion system, power supply device and electric automobile |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218998631U true CN218998631U (en) | 2023-05-09 |
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ID=86188575
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222638770.1U Active CN218998631U (en) | 2022-09-30 | 2022-09-30 | Electric control power integration device, rectification inversion system, power supply device and electric automobile |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218998631U (en) |
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- 2022-09-30 CN CN202222638770.1U patent/CN218998631U/en active Active
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