CN211320928U - Battery replacement circuit - Google Patents
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- CN211320928U CN211320928U CN202020327654.6U CN202020327654U CN211320928U CN 211320928 U CN211320928 U CN 211320928U CN 202020327654 U CN202020327654 U CN 202020327654U CN 211320928 U CN211320928 U CN 211320928U
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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
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E40/00—Technologies for an efficient electrical power generation, transmission or distribution
- Y02E40/40—Arrangements for reducing harmonics
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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
- Y02T10/70—Energy storage systems for electromobility, e.g. batteries
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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
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Abstract
The utility model provides a trade electric circuit relates to the electromagnetic interference suppression field. Should trade electric circuit, be applied to and trade the power station, include: the system comprises a power grid, a battery auxiliary system sub-circuit and a battery replacing system sub-circuit, wherein the battery auxiliary system sub-circuit and the battery replacing system sub-circuit are respectively connected with the power grid; the battery auxiliary system sub-circuit comprises a power grid, a battery replacement system sub-circuit and a battery auxiliary system sub-circuit, wherein a first filtering module is arranged on a connecting circuit of the power grid and the battery auxiliary system sub-circuit, a second filtering module is arranged on a connecting circuit of the power grid and the battery replacement system sub-circuit, and a third filtering module is arranged at an output end of the battery replacement system sub-circuit. According to the scheme, electromagnetic radiation of the battery replacement station to the outside can be effectively reduced, electromagnetic interference among all sub-circuits can be effectively reduced, stable operation of the whole system of the battery replacement station is guaranteed, stability of charging voltage and current of the battery pack is improved, and service life of the battery pack is prolonged.
Description
Technical Field
The utility model relates to an electromagnetic interference restraines, in particular to trade electric circuit.
Background
With the development of science and technology, automobiles become indispensable transportation means in daily life of people; because fuel oil is used as an unrenewable resource, more and more automobile manufacturers gradually focus on research and production of pure electric vehicles in order to reduce the usage amount of the fuel oil.
In order to solve the problem of difficult charging of the electric automobile, a battery replacing technology is provided, namely a battery pack with low electric quantity of an original automobile is detached through a battery replacing station and replaced by a fully charged battery pack, and the whole process is more efficient and quicker than a mode of improving charging power. The power conversion station is used as a current emerging industry, the electromagnetic compatibility characteristics of the power conversion station are not unified, and targeted filtering design is not provided for interference among different subsystems of the power conversion station and the interference to the outside.
Therefore, in order to protect each system in the power swapping station from operating independently and stably, a filter circuit needs to be provided.
SUMMERY OF THE UTILITY MODEL
An embodiment of the utility model provides a trade electric circuit for solve and how to reduce the problem of trading the electromagnetic interference in the power station.
In order to solve the technical problem, the utility model discloses a following technical scheme:
a power swapping circuit is applied to a power swapping station and comprises:
the system comprises a power grid, a battery auxiliary system sub-circuit and a battery replacing system sub-circuit, wherein the battery auxiliary system sub-circuit and the battery replacing system sub-circuit are respectively connected with the power grid;
the battery auxiliary system sub-circuit comprises a power grid, a battery replacement system sub-circuit and a battery auxiliary system sub-circuit, wherein a first filtering module is arranged on a connecting circuit of the power grid and the battery auxiliary system sub-circuit, a second filtering module is arranged on a connecting circuit of the power grid and the battery replacement system sub-circuit, and a third filtering module is arranged at an output end of the battery replacement system sub-circuit.
Further, the battery replacement system sub-circuit comprises a storage system sub-circuit, a charging system sub-circuit, a handling system sub-circuit, and a lane system sub-circuit;
the battery assistance system sub-circuit includes a battery logistics system sub-circuit and a battery maintenance system sub-circuit.
Furthermore, the second filtering module comprises 4 filtering modules, which respectively correspond to the storage system sub-circuit, the charging system sub-circuit, the loading and unloading system sub-circuit and the lane system sub-circuit.
Furthermore, the first filtering module, the second filtering module and the third filtering module respectively comprise a power line filtering sub-circuit and a signal line filtering sub-circuit.
Further, first filtering module the second filtering module with the third filtering module is equallyd divide and is do not included the casing, include first cavity and the second cavity through the baffle partitioned in the casing, power cord filtering sub-circuit set up in the first cavity, signal line filtering sub-circuit set up in the second cavity.
Further, the power line filtering sub-circuit comprises a single-phase power line filtering sub-circuit or a three-phase power line filtering sub-circuit.
Further, the single-phase power line filtering sub-circuit and the signal line filtering sub-circuit each include: the circuit comprises a first input end, a second input end, a first output end, a second output end, a first differential mode capacitor, a second differential mode capacitor, a third differential mode capacitor, a first common mode capacitor, a second common mode capacitor, a first differential mode inductor, a second differential mode inductor and a first common mode inductor;
wherein the first differential-mode capacitor is connected in parallel between the first input terminal and the second input terminal;
the first differential mode inductor, the second differential mode capacitor and the second differential mode inductor are connected in series and then connected in parallel with the first differential mode capacitor;
the first common-mode capacitor and the second common-mode capacitor are connected in series and then connected in parallel with the second differential-mode capacitor, and the joint of the first common-mode capacitor and the second common-mode capacitor is grounded;
a first end and a second end of the first common mode inductor are respectively connected with a first end and a second end of the second differential mode capacitor, and a third end and a fourth end of the first common mode inductor are respectively connected with a first end and a second end of the third differential mode capacitor;
the first end of the third differential mode capacitor is further connected with the first output end, and the second end of the third differential mode capacitor is further connected with the second output end.
Further, the three-phase power line filter sub-circuit includes: the first differential mode capacitor, the fifth differential mode capacitor, the sixth differential mode capacitor, the seventh differential mode capacitor, the eighth differential mode capacitor, the ninth differential mode capacitor, the tenth differential mode capacitor, the eleventh differential mode capacitor, the twelfth differential mode capacitor, the third common mode capacitor, the fourth common mode capacitor, the fifth common mode capacitor, the third differential mode inductor, the fourth differential mode inductor, the fifth differential mode inductor, the second common mode inductor and the third common mode inductor;
a first end of the fourth differential mode capacitor is connected with the first input end, a first end of the fifth differential mode capacitor is connected with the second input end, and a first end of the sixth differential mode capacitor is connected with the third input end;
a second end of the fourth differential mode capacitor, a second end of the fifth differential mode capacitor and a second end of the sixth differential mode capacitor are connected with a first end of the third common mode capacitor, and a second end of the third common mode capacitor is grounded;
a first end of the third differential mode inductor is connected with the first input end, a first end of the fourth differential mode inductor is connected with the second input end, and the fifth differential mode inductor is connected with the third input end;
a first end of the seventh differential mode capacitor is connected with a second end of the third differential mode inductor, a first end of the eighth differential mode capacitor is connected with a second end of the fourth differential mode inductor, and a first end of the ninth differential mode capacitor is connected with a second end of the fifth differential mode inductor;
a second end of the seventh differential mode capacitor, a second end of the eighth differential mode capacitor and a second input of the ninth differential mode capacitor are all connected with a first end of the fourth common mode capacitor, and a second end of the fourth common mode capacitor is grounded;
a first end of the tenth differential mode capacitor is connected with the first output end, a first end of the eleventh differential mode capacitor is connected with the second output end, and a first end of the twelfth differential mode capacitor is connected with the third output end;
a second end of the tenth differential mode capacitor, a second end of the eleventh differential mode capacitor and a second end of the twelfth differential mode capacitor are connected with a first end of the fifth common mode capacitor, and a second end of the fifth common mode capacitor is grounded;
a first end of the second common-mode inductor is connected with a second end of the third differential-mode inductor, a second end of the second common-mode inductor is connected with a second end of the fourth differential-mode inductor, a third end of the second common-mode inductor is connected with the first output end, and a fourth end of the second common-mode inductor is connected with the second output end;
a first end of the third common mode inductor is connected to a second end of the fourth differential mode inductor, a second end of the third common mode inductor is connected to a second end of the fifth differential mode inductor, a third end of the third common mode inductor is connected to the second output end, and a fourth end of the third common mode inductor is connected to the third output end.
The utility model has the advantages that:
according to the scheme, electromagnetic radiation of the battery replacement station to the outside can be effectively reduced, electromagnetic interference among all sub-circuits can be effectively reduced, stable operation of the whole system of the battery replacement station is guaranteed, stability of charging voltage and current of the battery pack is improved, and service life of the battery pack is prolonged.
Drawings
Fig. 1 shows one of the schematic structural diagrams of the swapping circuit according to the embodiment of the present invention;
fig. 2 shows a second schematic structural diagram of a battery swapping circuit according to an embodiment of the present invention;
fig. 3 is a schematic structural diagram of a filtering module according to an embodiment of the present invention;
fig. 4 is a schematic structural diagram of a single-phase power line filter sub-circuit according to an embodiment of the present invention;
fig. 5 shows a schematic structural diagram of a three-phase power line filtering sub-circuit according to an embodiment of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention clearer, the present invention will be described in detail with reference to the accompanying drawings and specific embodiments.
The utility model discloses to how to reduce the problem of trading the electromagnetic interference in the power station, provide a trade electric circuit.
As shown in fig. 1, the embodiment of the utility model provides a trade electric circuit is applied to and trades the power station, trade electric circuit and include:
the system comprises a power grid, a battery auxiliary system sub-circuit and a battery replacing system sub-circuit, wherein the battery auxiliary system sub-circuit and the battery replacing system sub-circuit are respectively connected with the power grid;
the battery auxiliary system sub-circuit comprises a power grid, a battery replacement system sub-circuit and a battery auxiliary system sub-circuit, wherein a first filtering module is arranged on a connecting circuit of the power grid and the battery auxiliary system sub-circuit, a second filtering module is arranged on a connecting circuit of the power grid and the battery replacement system sub-circuit, and a third filtering module is arranged at an output end of the battery replacement system sub-circuit.
The embodiment of the utility model provides an input and output through trading power station post power entry and each subsystem circuit set up the filtering module, have promoted the power supply quality, have restrained the interference between each subsystem circuit. Meanwhile, the filtering module is arranged at a specific position, so that the problem of electromagnetic interference possibly encountered in the operation of the power switching station can be effectively solved.
It should be noted that, the battery charging station with the battery charging circuit is added, so that the electromagnetic compatibility is obviously improved, the power supply quality of a port of a charger and the high-voltage direct-current output quality are not affected by a power grid or the charger, and the battery charging station plays an important role in prolonging the service life of a battery pack.
As shown in fig. 2, the battery replacement system sub-circuit includes a storage system sub-circuit, a charging system sub-circuit, a handling system sub-circuit, and a lane system sub-circuit;
the battery assistance system sub-circuit includes a battery logistics system sub-circuit and a battery maintenance system sub-circuit.
The battery replacement sub-circuit is further connected with a monitoring system, and the monitoring system sends a control signal to the battery replacement sub-circuit through a virtual line shown in the figure.
Specifically, the second filtering module includes 4 filtering modules, which respectively correspond to the storage system sub-circuit, the charging system sub-circuit, the handling system sub-circuit, and the lane system sub-circuit.
It should be noted that, by performing independent filtering processing on the key system sub-circuits in the power conversion station, mutual interference between the sub-system circuits can be effectively reduced.
As shown in fig. 3, the first filtering module, the second filtering module and the third filtering module respectively include a power line filtering sub-circuit and a signal line filtering sub-circuit.
Specifically, first filtering module the second filtering module with the third filtering module is equallyd divide and is do not included the casing, include first cavity and the second cavity through the baffle partitioned in the casing, power cord filtering sub-circuit set up in the first cavity, signal line filtering sub-circuit set up in the second cavity.
Considering that two filter sub-circuits are arranged in the filter module, in order to prevent crosstalk, the power line filter sub-circuit and the signal line filter sub-circuit are isolated by the partition plate, high voltage and large current of a power line are isolated from low voltage and small current of the signal line, and mutual interference between high voltage and low voltage can be effectively prevented. The partition plate is made of metal.
In the embodiment of the utility model provides an in, power cord filtering sub-circuit includes single-phase power cord filtering sub-circuit or three-phase power cord filtering sub-circuit. The single-phase power line filtering sub-circuit is used for filtering a power line powered by 220VAC, and the three-phase power line filtering sub-circuit is used for filtering a power line powered by three-phase industrial electricity.
As shown in fig. 4, each of the single-phase power line filtering sub-circuit and the signal line filtering sub-circuit includes: the circuit comprises a first input end, a second input end, a first output end, a second output end, a first differential mode capacitor CX1, a second differential mode capacitor CX2, a third differential mode capacitor CX3, a first common mode capacitor CY1, a second common mode capacitor CY2, a first differential mode inductor LDM1, a second differential mode inductor LDM2 and a first common mode inductor LCM 1;
wherein the first differential-mode capacitance CX1 is connected in parallel between the first input terminal and the second input terminal;
the first differential-mode inductor LDM1, the second differential-mode capacitor CX2 and the second differential-mode inductor LDM2 are connected in series and then connected in parallel with the first differential-mode capacitor CX 1;
the first common-mode capacitor CY1 and the second common-mode capacitor CY2 are connected in series and then connected in parallel with the second differential-mode capacitor CX2, and the connection between the first common-mode capacitor CY1 and the second common-mode capacitor CY2 is grounded;
a first end and a second end of the first common mode inductance LCM2 are respectively connected with a first end and a second end of the second differential mode capacitance CX2, and a third end and a fourth end of the first common mode inductance LCM2 are respectively connected with a first end and a second end of the third differential mode capacitance CX 3;
the first end of third differential mode electric capacity CX3 still with first output is connected, the second end of third differential mode electric capacity CX3 still with the second output is connected.
It should be noted that, in the single-phase power line filter sub-circuit, preferably, the differential mode capacitor and the differential mode capacitor are selected from an ampere-scale film capacitor, such as a nominal 275VAC, and a film capacitor with a capacitance value of 2 uFd; the common-mode capacitor is a safety-level film capacitor, such as a 305VAC, 10nF capacitor of Y2 type; the differential mode inductor is mainly used for inhibiting low-frequency interference, an amorphous magnetic ring with excellent performance can be selected as a material, and the inductance value is controlled to be about 200 uH; common mode inductor, the magnetic ring material chooses the nanocrystalline magnetic ring, the inductance value is controlled around 2 mH; optionally, the capacitance values of the first differential-mode capacitance CX1, the second differential-mode capacitance CX2, and the third differential-mode capacitance CX3 may be selected from 1uF, 2uF, and 4uF, so as to achieve effective filtering for different frequency bands respectively.
In the signal line filter sub-circuit, since the power supply voltage is generally lower than 12VDC, the capacitance thereof may be a dc capacitance, for example, a multilayer ceramic capacitance.
As shown in fig. 5, the three-phase power line filter sub-circuit includes: the differential mode capacitance type circuit comprises a first input end, a second input end, a third input end, a first output end, a second output end, a third output end, a fourth differential mode capacitance CX4, a fifth differential mode capacitance CX5, a sixth differential mode capacitance CX6, a seventh differential mode capacitance CX7, an eighth differential mode capacitance CX8, a ninth differential mode capacitance CX9, a tenth differential mode capacitance CX10, an eleventh differential mode capacitance CX11, a twelfth differential mode capacitance CX12, a third common mode capacitance CY3, a fourth common mode capacitance CY4, a fifth common mode capacitance CY5, a third differential mode inductance LDM3, a fourth differential mode inductance LDM4, a fifth differential mode inductance M5, a second common mode inductance LCM2 and a third common mode inductance LCM 3;
a first end of the fourth differential-mode capacitor CX4 is connected to the first input terminal, a first end of the fifth differential-mode capacitor CX5 is connected to the second input terminal, and a first end of the sixth differential-mode capacitor CX6 is connected to the third input terminal;
a second end of the fourth differential-mode capacitor CX4, a second end of the fifth differential-mode capacitor CX5 and a second end of the sixth differential-mode capacitor CX6 are all connected with a first end of the third common-mode capacitor CY3, and a second end of the third common-mode capacitor CY3 is grounded;
a first terminal of the third differential-mode inductor LDM3 is connected to the first input terminal, a first terminal of the fourth differential-mode inductor LDM4 is connected to the second input terminal, and the fifth differential-mode inductor LDM5 is connected to the third input terminal;
a first end of the seventh differential mode capacitor CX7 is connected to the second end of the third differential mode inductor LDM3, a first end of the eighth differential mode capacitor CX8 is connected to the second end of the fourth differential mode inductor LDM4, and a first end of the ninth differential mode capacitor CX9 is connected to the second end of the fifth differential mode inductor LDM 5;
a second end of the seventh differential mode capacitor CX7, a second end of the eighth differential mode capacitor CX8 and a second input of the ninth differential mode capacitor CX9 are all connected to the first end of the fourth common mode capacitor CY4, and a second end of the fourth common mode capacitor CY4 is grounded;
a first end of the tenth differential mode capacitor CX10 is connected to the first output terminal, a first end of the eleventh differential mode capacitor CX11 is connected to the second output terminal, and a first end of the twelfth differential mode capacitor CX12 is connected to the third output terminal;
a second end of the tenth differential mode capacitor CX10, a second end of the eleventh differential mode capacitor CX11 and a second end of the twelfth differential mode capacitor CX12 are all connected with a first end of the fifth common mode capacitor CY5, and a second end of the fifth common mode capacitor CY5 is grounded;
a first terminal of the second common-mode inductor LCM2 is connected to a second terminal of the third differential-mode inductor LDM3, a second terminal of the second common-mode inductor LCM2 is connected to a second terminal of the fourth differential-mode inductor LDM4, a third terminal of the second common-mode inductor LCM2 is connected to the first output terminal, and a fourth terminal of the second common-mode inductor LCM2 is connected to the second output terminal;
a first terminal of the third common mode inductor LCM3 is connected to a second terminal of the fourth differential mode inductor LDM4, a second terminal of the third common mode inductor LCM3 is connected to a second terminal of the fifth differential mode inductor LDM5, a third terminal of the third common mode inductor LCM3 is connected to the second output terminal, and a fourth terminal of the third common mode inductor LCM3 is connected to the third output terminal.
It should be noted that, the differential mode capacitor is a 275VAC film capacitor of the safety level; the differential mode inductor is mainly used for inhibiting low-frequency interference, an amorphous magnetic ring with excellent performance can be selected as a material, and the inductance value is controlled to be about 200 uH; common mode inductor, the magnetic ring material chooses the nanocrystalline magnetic ring, the inductance value is controlled around 2 mH; the common-mode capacitor is a film capacitor with a safety rating, such as 305VAC, 10nF capacitor of Y2 type.
The foregoing is directed to the preferred embodiments of the present invention, and it will be understood by those skilled in the art that various changes and modifications may be made without departing from the principles of the invention, and that such changes and modifications are intended to be included within the scope of the invention.
Claims (8)
1. The utility model provides a trade electric circuit, is applied to and trades power station, trades electric circuit includes:
the system comprises a power grid, a battery auxiliary system sub-circuit and a battery replacing system sub-circuit, wherein the battery auxiliary system sub-circuit and the battery replacing system sub-circuit are respectively connected with the power grid;
the battery auxiliary system sub-circuit comprises a power grid, a battery replacement system sub-circuit and a battery auxiliary system sub-circuit, wherein a first filtering module is arranged on a connecting circuit of the power grid and the battery auxiliary system sub-circuit, a second filtering module is arranged on a connecting circuit of the power grid and the battery replacement system sub-circuit, and a third filtering module is arranged at an output end of the battery replacement system sub-circuit.
2. The swapping circuit of claim 1, wherein the battery replacement system sub-circuit comprises a storage system sub-circuit, a charging system sub-circuit, a handling system sub-circuit, and a lane system sub-circuit;
the battery assistance system sub-circuit includes a battery logistics system sub-circuit and a battery maintenance system sub-circuit.
3. The swapping circuit of claim 2, wherein the second filtering module comprises 4 filtering modules corresponding to the storage system sub-circuit, the charging system sub-circuit, the loading and unloading system sub-circuit, and the lane system sub-circuit, respectively.
4. The swapping circuit of claim 1, wherein the first filtering module, the second filtering module, and the third filtering module each comprise a power line filtering sub-circuit and a signal line filtering sub-circuit, respectively.
5. The charging circuit of claim 4, wherein the first filter module, the second filter module, and the third filter module each comprise a housing, the housing comprising a first cavity and a second cavity separated by a partition, the power line filter sub-circuit disposed in the first cavity, and the signal line filter sub-circuit disposed in the second cavity.
6. The swapping circuit of claim 4, wherein the power line filter sub-circuit comprises a single-phase power line filter sub-circuit or a three-phase power line filter sub-circuit.
7. The swapping circuit of claim 6, wherein the single-phase power line filtering sub-circuit and the signal line filtering sub-circuit each comprise: the circuit comprises a first input end, a second input end, a first output end, a second output end, a first differential mode capacitor, a second differential mode capacitor, a third differential mode capacitor, a first common mode capacitor, a second common mode capacitor, a first differential mode inductor, a second differential mode inductor and a first common mode inductor;
wherein the first differential-mode capacitor is connected in parallel between the first input terminal and the second input terminal;
the first differential mode inductor, the second differential mode capacitor and the second differential mode inductor are connected in series and then connected in parallel with the first differential mode capacitor;
the first common-mode capacitor and the second common-mode capacitor are connected in series and then connected in parallel with the second differential-mode capacitor, and the joint of the first common-mode capacitor and the second common-mode capacitor is grounded;
a first end and a second end of the first common mode inductor are respectively connected with a first end and a second end of the second differential mode capacitor, and a third end and a fourth end of the first common mode inductor are respectively connected with a first end and a second end of the third differential mode capacitor;
the first end of the third differential mode capacitor is further connected with the first output end, and the second end of the third differential mode capacitor is further connected with the second output end.
8. The swapping circuit of claim 6, wherein the three-phase power line filter sub-circuit comprises: the first differential mode capacitor, the fifth differential mode capacitor, the sixth differential mode capacitor, the seventh differential mode capacitor, the eighth differential mode capacitor, the ninth differential mode capacitor, the tenth differential mode capacitor, the eleventh differential mode capacitor, the twelfth differential mode capacitor, the third common mode capacitor, the fourth common mode capacitor, the fifth common mode capacitor, the third differential mode inductor, the fourth differential mode inductor, the fifth differential mode inductor, the second common mode inductor and the third common mode inductor;
a first end of the fourth differential mode capacitor is connected with the first input end, a first end of the fifth differential mode capacitor is connected with the second input end, and a first end of the sixth differential mode capacitor is connected with the third input end;
a second end of the fourth differential mode capacitor, a second end of the fifth differential mode capacitor and a second end of the sixth differential mode capacitor are connected with a first end of the third common mode capacitor, and a second end of the third common mode capacitor is grounded;
a first end of the third differential mode inductor is connected with the first input end, a first end of the fourth differential mode inductor is connected with the second input end, and the fifth differential mode inductor is connected with the third input end;
a first end of the seventh differential mode capacitor is connected with a second end of the third differential mode inductor, a first end of the eighth differential mode capacitor is connected with a second end of the fourth differential mode inductor, and a first end of the ninth differential mode capacitor is connected with a second end of the fifth differential mode inductor;
a second end of the seventh differential mode capacitor, a second end of the eighth differential mode capacitor and a second input of the ninth differential mode capacitor are all connected with a first end of the fourth common mode capacitor, and a second end of the fourth common mode capacitor is grounded;
a first end of the tenth differential mode capacitor is connected with the first output end, a first end of the eleventh differential mode capacitor is connected with the second output end, and a first end of the twelfth differential mode capacitor is connected with the third output end;
a second end of the tenth differential mode capacitor, a second end of the eleventh differential mode capacitor and a second end of the twelfth differential mode capacitor are connected with a first end of the fifth common mode capacitor, and a second end of the fifth common mode capacitor is grounded;
a first end of the second common-mode inductor is connected with a second end of the third differential-mode inductor, a second end of the second common-mode inductor is connected with a second end of the fourth differential-mode inductor, a third end of the second common-mode inductor is connected with the first output end, and a fourth end of the second common-mode inductor is connected with the second output end;
a first end of the third common mode inductor is connected to a second end of the fourth differential mode inductor, a second end of the third common mode inductor is connected to a second end of the fifth differential mode inductor, a third end of the third common mode inductor is connected to the second output end, and a fourth end of the third common mode inductor is connected to the third output end.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202020327654.6U CN211320928U (en) | 2020-03-16 | 2020-03-16 | Battery replacement circuit |
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| CN202020327654.6U CN211320928U (en) | 2020-03-16 | 2020-03-16 | Battery replacement circuit |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114179638A (en) * | 2020-09-14 | 2022-03-15 | 北京新能源汽车股份有限公司 | Quick change battery package and electric automobile |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114179638A (en) * | 2020-09-14 | 2022-03-15 | 北京新能源汽车股份有限公司 | Quick change battery package and electric automobile |
| CN114179638B (en) * | 2020-09-14 | 2024-04-05 | 北京新能源汽车股份有限公司 | Quick-change battery pack and electric automobile |
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