CN220363319U - Power distribution system and redundancy system - Google Patents
Power distribution system and redundancy system Download PDFInfo
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- CN220363319U CN220363319U CN202322095899.7U CN202322095899U CN220363319U CN 220363319 U CN220363319 U CN 220363319U CN 202322095899 U CN202322095899 U CN 202322095899U CN 220363319 U CN220363319 U CN 220363319U
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- distribution box
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- power supply
- storage battery
- vehicle
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- HEZMWWAKWCSUCB-PHDIDXHHSA-N (3R,4R)-3,4-dihydroxycyclohexa-1,5-diene-1-carboxylic acid Chemical compound O[C@@H]1C=CC(C(O)=O)=C[C@H]1O HEZMWWAKWCSUCB-PHDIDXHHSA-N 0.000 claims description 14
- 238000010586 diagram Methods 0.000 description 4
- 238000012423 maintenance Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000001502 supplementing effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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- Direct Current Feeding And Distribution (AREA)
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Abstract
The application discloses distribution system, redundant system, distribution system includes one-level power distribution and second grade intelligent power distribution box, one-level power distribution with second grade intelligent power distribution box electric connection, second grade intelligent power distribution box still respectively with the electrical equipment main power supply in the vehicle, electrical equipment redundant power supply electric connection. Redundant power distribution is realized through this application, reduces whole car cost.
Description
Technical Field
The application relates to the technical field of whole car power distribution and automatic driving, in particular to a power distribution system and a redundant system.
Background
The automobile distribution box has the advantages that the automobile distribution box is convenient to assemble and troubleshoot in maintenance, a centralized distribution scheme is generally adopted, the structural design is compact, the wiring layout is convenient, and the maintenance is convenient and quick.
In the related art, when the DCDC converter is used as a main power supply to be connected into the intelligent distribution box, the requirements on hardware and software strategies are higher due to high power and large interference, and the requirements on heat dissipation performance and EMC are stricter. Further, if DCDC fails, the reliability of power supply cannot be ensured.
Disclosure of Invention
The embodiment of the application provides a power distribution system and a redundant system so as to realize redundant power distribution and reduce the cost of the whole vehicle.
The embodiment of the application adopts the following technical scheme:
in a first aspect, an embodiment of the present application provides a power distribution system, wherein, the power distribution system includes one-level power distribution and second grade intelligent power distribution box, one-level power distribution with second grade intelligent power distribution box electric connection, second grade intelligent power distribution box still respectively with the electrical equipment main power supply in the vehicle, electrical equipment redundant power supply electric connection.
In some embodiments, further comprising: at least one set of storage batteries including a main storage battery and a redundant storage battery,
the main storage battery is connected with a first storage battery direct current sensor IBS, the redundant storage battery is connected with a second storage battery direct current sensor IBS, and the first storage battery direct current sensor IBS and the second storage battery direct current sensor IBS are electrically connected with the secondary intelligent distribution box.
In some embodiments, further comprising: a three-stage distribution box, wherein the three-stage distribution box is electrically connected with the two-stage intelligent distribution box,
the three-level distribution box is connected to the two-level intelligent distribution box through a two-level distribution power supply, and the two-level distribution power supply comprises a DCDC power supply and a DCAC power supply;
and/or the number of the groups of groups,
the third-level distribution box is directly connected to the second-level intelligent distribution box.
In some embodiments, the secondary intelligent distribution box is further electrically connected to an EPS in the vehicle, and is used as a power supply of the EPS.
In some embodiments, the secondary intelligent distribution box is further electrically connected to an ESC in the vehicle as a power supply for the ESC.
In some embodiments, the secondary intelligent distribution box is further electrically connected to a gateway in the vehicle, and is used as a power supply of the gateway.
In some embodiments, the secondary intelligent distribution box is further electrically connected to an ADU in the vehicle, and is used as a power supply of the ADU.
In some embodiments, the secondary intelligent distribution box is further electrically connected to an EPB in the vehicle, and is used as a power supply of the EPB.
In some embodiments, the intelligent distribution box is also communicatively connected to a CAN BUS in the vehicle.
In a second aspect, embodiments of the present application further provide a redundancy system, where the redundancy system includes: the power distribution system described in the first aspect above.
The above-mentioned at least one technical scheme that this application embodiment adopted can reach following beneficial effect: the power distribution system comprises a primary power distribution source and a secondary intelligent power distribution box, the primary power distribution source is electrically connected with the secondary intelligent power distribution box, the primary power distribution source can provide power supply for the secondary intelligent power distribution box, meanwhile, the secondary intelligent power distribution box is electrically connected with an electric equipment main power supply and an electric equipment redundant power supply in a vehicle respectively, mutual redundancy of the electric equipment main power supply and the electric equipment redundant power supply can be achieved, voltage difference balance between a redundant side circuit and a main side circuit is further achieved, and redundant requirements for power distribution of the whole vehicle power supply are guaranteed.
Drawings
The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this application, illustrate embodiments of the application and together with the description serve to explain the application and do not constitute an undue limitation to the application. In the drawings:
FIG. 1 is a schematic diagram of an internal structure of a power distribution system according to an embodiment of the present application;
FIG. 2 is a second schematic diagram of an internal structure of a power distribution system according to an embodiment of the present application;
fig. 3 is a schematic circuit diagram of a power distribution system according to an embodiment of the present application.
Detailed Description
For the purposes, technical solutions and advantages of the present application, the technical solutions of the present application will be clearly and completely described below with reference to specific embodiments of the present application and corresponding drawings. It will be apparent that the described embodiments are only some, but not all, of the embodiments of the present application. All other embodiments, which can be made by one of ordinary skill in the art without undue burden from the present disclosure, are within the scope of the present disclosure.
The following describes in detail the technical solutions provided by the embodiments of the present application with reference to the accompanying drawings.
The embodiment of the application provides a power distribution system, as shown in fig. 1, and provides an internal structure schematic diagram of the power distribution system in the embodiment of the application, where the power distribution system 100 includes a primary power distribution 110 and a secondary intelligent power distribution box 120, the primary power distribution 110 is electrically connected with the secondary intelligent power distribution box 120, and the secondary intelligent power distribution box 120 is further electrically connected with an electrical equipment main power supply 130 and an electrical equipment redundant power supply 140 in a vehicle respectively. Electrical devices in the vehicle include, but are not limited to, EPS, ESC, gateway, ADU, EPB, etc. controllers or actuators.
In order to meet the redundant requirement of the L3/L4 automatic driving vehicle on the power distribution of the whole vehicle, the low-voltage power distribution of the whole vehicle meets the safety function of ASIL D, and the power distribution system of the whole vehicle is optimized. The primary power distribution 110 is electrically connected to the secondary intelligent distribution box 120, and the "primary power distribution 110" includes, but is not limited to, DCDC as a power source and 24VDCDC as a power source optionally. The structural improvement of the secondary intelligent distribution box is that the power supply modes of a main side power supply and a redundant side power supply of electric equipment in a vehicle are increased.
In addition, the secondary intelligent distribution box can also monitor an input power supply and an output power supply in real time, report the faults in time, ensure the power supply reliability of core parts, and can adopt an implementation mode which is well known to a person skilled in the art. It will be appreciated that the "secondary intelligent distribution box" is relative to the "primary distribution power source" and does not represent a particular hierarchy.
In one embodiment of the present application, further comprising: the at least one group of storage batteries comprises a main storage battery 150 and a redundant storage battery 160, wherein the main storage battery is connected with a first storage battery direct current sensor IBS, the redundant storage battery is connected with a second storage battery direct current sensor IBS, and the first storage battery direct current sensor IBS and the second storage battery direct current sensor IBS are electrically connected with the secondary intelligent distribution box.
Referring to fig. 2, it can be appreciated that the battery dc sensor IBS can monitor the state of the battery and provide information about key parameters such as state of charge, functional status and state of health. The battery dc sensor IBS is therefore critical for reliable operation of the vehicle start-stop system. IBS is typically mounted directly on the battery and can be deployed with any standard battery. And the storage battery direct current sensor IBS is communicated with the secondary intelligent distribution box through a LIN communication interface. Thereby meeting the redundancy requirement of the whole vehicle power distribution hardware.
Preferably, according to the health state of the storage battery, the main storage battery and the redundant storage battery can be mutually switched, so that mutual redundancy is realized, and the service lives of the storage batteries are ensured to be nearly consistent.
According to the power distribution system, the circuit design scheme of the single DCDC is adopted, the intelligent power distribution box is used for supplying power to the main storage battery and the redundant storage battery and supplying power to the external load, and under the condition that the DCDC of the external primary power distribution source fails, the L3 automatic driving vehicle is guaranteed to stop by the main storage battery or the redundant storage battery, so that the application cost of the power distribution system is reduced. In addition, the 1 DCDC is used for charging different battery packs, so that the one-to-two power supplementing function can be realized.
Preferably, the primary power distribution 110 is expanded to double DCDC, so that the L4/L5-level vehicle requirements can be met.
In one embodiment of the present application, further comprising: the three-level distribution box is electrically connected with the secondary intelligent distribution box, and is connected with the secondary intelligent distribution box through a secondary distribution power supply, wherein the secondary distribution power supply comprises a DCDC power supply and a DCAC power supply; and/or the three-level distribution box is directly connected to the two-level intelligent distribution box.
With continued reference to fig. 2, in addition to the secondary intelligent distribution box, a tertiary distribution box 170 is included, in one instance, the tertiary distribution box 170 is accessed to the secondary intelligent distribution box through a secondary distribution power source, which includes a DCDC power source, a DCAC power source. In another case, the tertiary distribution box directly accesses the secondary intelligent distribution box 120. It will be appreciated that a "three-level distribution box" is relative to a "two-level intelligent distribution box" and does not represent a particular hierarchy.
In addition, as shown in fig. 3, the three-level distribution BOX is connected to a body domain controller BDCU, a whole domain controller VDCU, a T-BOX, a chassis domain controller CDCU, an a/C controller, and the like of a vehicle as a conventional fuse BOX in addition to the two-level intelligent distribution BOX.
Alternatively, the three-level distribution box can also be used as a common distribution box to supply power to other storage batteries in the vehicle or carry loads.
In one embodiment of the present application, the secondary intelligent distribution box 120 is further electrically connected to the EPS in the vehicle, and is used as a power supply of the EPS.
Referring to fig. 3, the eps is Electric Power Steering, electric power steering system. The secondary intelligent distribution box 120 is electrically connected with the EPS in the vehicle, and is used as a main side power supply and a redundant side power supply of the EPS to supply power.
In one embodiment of the present application, the secondary intelligent distribution box is further electrically connected to an ESC in the vehicle, and is used as a power supply of the ESC.
Referring to fig. 3, the ESC, electronic Stability Controller, is electrically connected to the ESC in the vehicle through the secondary intelligent distribution box 120, and is used as a main power source and a redundant power source of the ESC to supply power.
In one embodiment of the present application, the secondary intelligent distribution box is further electrically connected to a gateway in the vehicle, and is used as a power supply of the gateway.
Referring to fig. 3, the gateway, i.e. the vehicle gateway in the vehicle, is electrically connected to the gateway in the vehicle through the secondary intelligent distribution box 120, and is used as a primary power source and a redundant power source of the gateway for supplying power.
In one embodiment of the present application, the secondary intelligent distribution box is further electrically connected to an ADU in the vehicle, and is used as a power supply of the ADU.
Referring to fig. 3, the ADU is Autonomous Driving Control Unit, and the autopilot controller is electrically connected to the ADU in the vehicle through the secondary intelligent distribution box 120, and is used as a main power source and a redundant power source of the ADU to supply power.
In one embodiment of the present application, the secondary intelligent distribution box is further electrically connected to the EPB in the vehicle, and is used as a power supply of the EPB.
Referring to fig. 3, epb is Electrical Park Brake, electronic parking brake system. The secondary intelligent distribution box 120 is electrically connected with the EPB in the vehicle, and is used as a main side power supply and a redundant side power supply of the EPB to supply power.
In one embodiment of the present application, the secondary intelligent distribution box is also communicatively connected to a CANBUS in the vehicle.
Referring to fig. 3, the CAN BUS is in communication connection with the secondary intelligent distribution box to receive information about different electrical devices in the vehicle.
There is also provided in an embodiment of the present application a redundancy system, where the redundancy system includes: the power distribution system comprises a primary power distribution source and a secondary intelligent power distribution box, wherein the primary power distribution source is electrically connected with the secondary intelligent power distribution box, and the secondary intelligent power distribution box is electrically connected with an electric equipment main power supply and an electric equipment redundant power supply in a vehicle respectively.
A redundant system, further comprising: the intelligent power distribution box comprises at least one group of storage batteries, wherein the at least one group of storage batteries comprises a main storage battery and a redundant storage battery, the main storage battery is connected with a first storage battery direct current sensor IBS, the redundant storage battery is connected with a second storage battery direct current sensor IBS, and the first storage battery direct current sensor IBS and the second storage battery direct current sensor IBS are electrically connected with the second intelligent power distribution box.
According to the redundancy system, the circuit design scheme of the single DCDC is adopted, the intelligent distribution box is used for supplying power to the main storage battery and the redundant storage battery and supplying power to an external load, and the L3 vehicle is guaranteed to stop by the main storage battery or the redundant storage battery under the condition that the DCDC of an external primary distribution power supply fails, so that the application cost of the distribution system is reduced. In addition, the 1 DCDC is used for charging different battery packs, so that the one-to-two power supplementing function can be realized.
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 (10)
1. The utility model provides a distribution system, wherein, distribution system includes one-level distribution power and second grade intelligent power distribution box, one-level distribution power with second grade intelligent power distribution box electric connection, second grade intelligent power distribution box still respectively with the electrical equipment main power supply in the vehicle, electrical equipment redundant power supply electric connection.
2. The power distribution system of claim 1, further comprising: at least one set of storage batteries including a main storage battery and a redundant storage battery,
the main storage battery is connected with a first storage battery direct current sensor IBS, the redundant storage battery is connected with a second storage battery direct current sensor IBS, and the first storage battery direct current sensor IBS and the second storage battery direct current sensor IBS are electrically connected with the secondary intelligent distribution box.
3. The power distribution system of claim 1, further comprising: a three-stage distribution box, wherein the three-stage distribution box is electrically connected with the two-stage intelligent distribution box,
the three-level distribution box is connected to the two-level intelligent distribution box through a two-level distribution power supply, and the two-level distribution power supply comprises a DCDC power supply and a DCAC power supply;
and/or the number of the groups of groups,
the third-level distribution box is directly connected to the second-level intelligent distribution box.
4. The power distribution system of claim 1, wherein the secondary intelligent distribution box is further electrically connected to an EPS in the vehicle as a power supply for the EPS.
5. The power distribution system of claim 1, wherein the secondary intelligent distribution box is further electrically connected to an ESC in the vehicle as a power supply for the ESC.
6. The power distribution system of claim 1, wherein the secondary intelligent distribution box is further electrically connected to a gateway in the vehicle as a power supply for the gateway.
7. The power distribution system of claim 1, wherein the secondary intelligent distribution box is further electrically connected to an ADU in the vehicle as a power supply for the ADU.
8. The power distribution system of claim 1, wherein the secondary intelligent distribution box is further electrically connected to an EPB in the vehicle as a power supply for the EPB.
9. The power distribution system of claim 1, wherein the intelligent distribution box is further communicatively coupled to a CAN BUS in the vehicle.
10. A redundancy system, wherein the redundancy system comprises: the power distribution system of any of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322095899.7U CN220363319U (en) | 2023-08-04 | 2023-08-04 | Power distribution system and redundancy system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322095899.7U CN220363319U (en) | 2023-08-04 | 2023-08-04 | Power distribution system and redundancy system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220363319U true CN220363319U (en) | 2024-01-19 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322095899.7U Active CN220363319U (en) | 2023-08-04 | 2023-08-04 | Power distribution system and redundancy system |
Country Status (1)
| Country | Link |
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| CN (1) | CN220363319U (en) |
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2023
- 2023-08-04 CN CN202322095899.7U patent/CN220363319U/en active Active
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