CN209274529U - A kind of integrated PDU system of new-energy automobile - Google Patents
A kind of integrated PDU system of new-energy automobile Download PDFInfo
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- CN209274529U CN209274529U CN201821720726.2U CN201821720726U CN209274529U CN 209274529 U CN209274529 U CN 209274529U CN 201821720726 U CN201821720726 U CN 201821720726U CN 209274529 U CN209274529 U CN 209274529U
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Abstract
The utility model relates to a kind of integrated PDU systems of new-energy automobile, main integrated high voltage assignment subsystem PDU, DC/DC conversion subsystem and vehicle thermal management subsystem, specifically include IPDU module, it include high-pressure modular and low-voltage module in it, high-pressure modular includes sequentially connected preliminary filling and high tension loop, EMC filter and high pressure distribution module, its input terminal connects high-voltage electricity input interface, and high pressure distribution module is equipped with High voltage output DC/DC interface and several High voltage output interfaces；Low-voltage module includes CPU and relevant control/detection circuit, CPU is separately connected the high-tension line between High voltage output DC/DC interface and preliminary filling and high tension loop and EMC filter to monitor high-pressure modular, the output end of CPU is separately connected various vehicle-mounted low-voltage loads and is started and stopped with controlling it, and input acquisition module, the output control module in thermal management system of whole are integrated in IPDU module, realize input and output all by the same controller, the cost and volume of PDU is effectively reduced, and improves components energy density.
Description
Technical field
The utility model relates to PDU systems, and in particular to a kind of integrated PDU system of new-energy automobile.
Background technique
New-energy automobile gradually starts scale application, and how to reduce vehicle energy consumption is the huge challenge that electric car faces
One of, wherein lightweight, it is integrated be the primary solutions applied at present.
Either pure electric automobile, hybrid vehicle, fuel cell car etc. can all use high-voltage electricity power distribution unit
As the critical component in new-energy automobile, such as how PDU is core to integrate other component be at present in light weight by PDU, PDU
One of change, the application direction of integrated aspect.Since thermal management system of whole currently on the market, DC/DC, PDU are independent
Three components, and have respective CPU and its control circuit, not only integration degree is lower in this way, but also can occupy more
Space, and consume more energy consumptions, it is therefore desirable to the new PDU system of one kind is designed to meet the use demand of new-energy automobile.
Utility model content
In view of this, the utility model discloses a kind of integrated PDU system of new-energy automobile, can effectively reduce
Weight, cost and the volume of PDU, and improve components energy density and bulk density.
The utility model provides a kind of new-energy automobile integrated PDU system, including an IPDU module, the IPDU
It include high-pressure modular and low-voltage module in module, the high-pressure modular includes preliminary filling and high tension loop, EMC filter and high pressure
Distribution module, the preliminary filling and high tension loop input terminal connect high-voltage electricity input interface HV_in+ and HV_in-, are used for high-voltage electricity
Input, output end is sequentially connected the EMC filter and high pressure distribution module, and the high pressure distribution module is equipped with one and connects
The High voltage output DC/DC interface and several High voltage output interfaces of DC/DC converter are connect, for DC/DC converter and difference
On-board high-voltage load electric energy and load protection are provided；
The low-voltage module includes a CPU, is integrated with several low voltage control/detection circuits, the low pressure molding in the CPU
Block includes a CPU and several low voltage control/detection circuits, and the High voltage output DC/DC interface is equipped with a first voltage electric current
High-tension line between sampled point, the preliminary filling and high tension loop and the EMC filter is equipped with a second voltage current acquisition
Point, the CPU are separately connected the first voltage current sample point and second voltage current sample point to monitor the high pressing mold
Block, several low voltage control/detection circuits are separately connected various vehicle-mounted low-voltage loads, for receiving acquisition signal and controlling various vehicles
Carry starting and stopping for low-voltage load.
Further, the High voltage output DC/DC interface is connected separately with vehicle-mounted electrical appliance and storage by DC/DC converter
Battery.
Further, the High voltage output DC/DC interface and several High voltage output interfaces are equipped with respective independence
Fuse, to carry out overcurrent protection to the load of the on-board high-voltage of connection.
Further, the vehicle-mounted low-voltage load includes motor, electric air-conditioning, high-pressure hydraulic pump, high-pressure fan, air compression
Machine and auto heater.
Further, several low voltage control/detection circuits include a temperature sensing circuit, the temperature sensing circuit
Input terminal is separately connected the preliminary filling resistance in cooling water pipe and the high-pressure modular, for real-time monitoring cooling water channel entrance, cold
But the temperature change of water route exit and high-pressure modular, and control the electric air-conditioning, high-pressure hydraulic pump and high-pressure fan movement with
Adjust temperature.
Further, high-voltage interlocking circuit is also connected between the CPU and the high-pressure modular, it can be in vehicle high-voltage wiring harness
Warning message is provided for entire car controller in time when breaking, and then reserves the time that Full Vehicle System takes counter-measure.
Technical solution provided by the utility model has the benefit that based on PDU, by vehicle heat management system
System, DC/DC software and hardware function integrated, only one CPU in the IPDU, and to the hardware circuit of this 3 components
Carry out unified integrated, the identical place of function carries out shared, effectively improves the energy density of components, reduces the volume of system
Size, integrated and light-weighted degree are higher.
Detailed description of the invention
Fig. 1 is that a kind of new-energy automobile of the utility model embodiment is connect with the outside of IPDU module in integrated PDU system
Mouth schematic diagram；
Fig. 2 is that a kind of inside of new-energy automobile of the utility model embodiment IPDU module in integrated PDU system is former
Manage frame diagram.
In figure: 1, preliminary filling and high tension loop 2, EMC filter 3, high pressure distribution module 4, first voltage current acquisition point
5, second voltage current acquisition point 6, onboard charger 7, battery 8, motor 9, electric air-conditioning 10, high-pressure hydraulic pump 11,
High-pressure fan 12, air compressor 13, auto heater 14, CPU.
Specific embodiment
It is practical new to this below in conjunction with attached drawing to keep the purpose of this utility model, technical solution and advantage clearer
Type embodiment is further described.
Referring to FIG. 1, the embodiments of the present invention disclose a kind of integrated PDU system of new-energy automobile, including
One IPDU module, the IPDU module are integrated with block terminal PDU system, thermal management system of whole and DC/DC converter, will be current
Hardware components in the block terminal PDU system, thermal management system of whole and DC/DC converter carry out unified integrated, function phase
With place carry out shared, be equipped with a CPU14 in the IPDU module, it can be achieved that distribution to the load of vehicle each on-board high-voltage
And its management, the detection of input and output voltage current detecting, high-voltage interlocking, input and output cooling line temperature detection, heat management water
Pump the functions such as control, heat management fan control, the control of DC/DC converter, high voltage connector control.
Referring to FIG. 2, the IPDU module is broadly divided into high-pressure modular and low-voltage module two large divisions, wherein the high pressure
Module includes high-voltage electricity input interface HV_in+ and HV_in-, preliminary filling and high tension loop 1, EMC filter 2 and high pressure distribution mould
Block 3, high-voltage electricity enter from high-voltage electricity the input interface HV_in+ and HV_in-, then pass through the IPDU module preliminary filling and
It after high tension loop 1, can first charge to the preliminary filling and high tension loop 1, and then limit each high voltage capacitive load in vehicle
Charging current, protect the load of each high voltage capacitive will not because of moment short circuit current and damage, i.e. short-circuit protection passes through after
EMC filter 2 is crossed, each high pressure inductive load generates during energization and power-off in vehicle electromagnetic interference and spark can be eliminated
Interference, finally reaches above-mentioned high pressure distribution module 3, and the high pressure distribution module 3 is equipped with several High voltage output interface HV_OUT
And one connection DC/DC converter input terminal High voltage output DC/DC interface HV_OUT_DC/DC, for give DC/DC conversion
Device and different loads provide electric energy and load protection.
The one DC/DC converter of High voltage output DC/DC interface HV_OUT_DC/DC connection, the DC/DC converter are defeated
Outlet is connected with onboard charger OBC6 and battery 7, for powering for the onboard charger OBC6 and battery 7,
Generally the battery 7 is 12V battery；
Further, the High voltage output DC/DC interface HV_OUT_DC/DC and several High voltage output interface HV_
OUT can match each independent fuse mutually according to the different loads characteristic of connection load, i.e., carry out to the load of connection
Overcurrent protection.
The low-voltage module includes a CPU14, is integrated with several low voltage control/detection circuits, Ruo Gansuo in the CPU14
It states low voltage control/detection circuit output end and is separately connected various vehicle-mounted low-voltage loads, the vehicle-mounted low-voltage load includes but unlimited
In motor 8, electric air-conditioning 9, high-pressure hydraulic pump 10, high-pressure fan 11, air compressor 12 and auto heater PTC13, Ruo Gansuo
Stating low voltage control/detection circuit can receive the signals of vehicles of acquisition, and control starting and stopping for above-mentioned vehicle-mounted low-voltage load；
Wherein, the low voltage control/detection circuit includes a temperature sensing circuit, the temperature sensing circuit input terminal point
Not Lian Jie preliminary filling resistance in cooling water pipe and the high-pressure modular, go out for real-time monitoring cooling water channel entrance, cooling water channel
Mouthful at and high-pressure modular temperature change, and control the electric air-conditioning 9, high-pressure hydraulic pump 10 and high-pressure fan 11 movement to adjust
Temperature.
A first voltage current sample point 4, the preliminary filling are equipped at the High voltage output DC/DC interface HV_OUT_DC/DC
And the high-tension line between high tension loop 1 and the EMC filter 2 is equipped with a second voltage current acquisition point 5, the CPU14
It is separately connected the first voltage current sample point 4 and the second voltage current acquisition point 5, since DC/DC converter is whole
Under any operating condition of vehicle, preliminary filling and high tension loop 1 should be all closed to guarantee at any time to power to 12V battery 7, at the same preliminary filling and
It is equipped with high voltage connector in high tension loop 1, can open and disconnect high-tension line by the high voltage connector, therefore pass through institute
Stating first voltage current acquisition point 4 and second voltage current acquisition point 5 can not only keep DC/DC converter original voltage electric current to adopt
Collect the realization of function, can also fault diagnosis be carried out to high input voltage, the High voltage output in the IPDU module, to judge high-voltage connecting
Tentaculum whether adhesion, disconnection, control route whether disconnect.
Further, high-voltage interlocking circuit is also connected between the CPU14 and the high-pressure modular, it can be in CPU14
Low pressure measure loop monitors the integrality in high-pressure modular mesohigh circuit, to be collided or artificial maloperation
In the case that Shi Zaocheng high tension loop powers off suddenly, the low pressure measure loop in the CPU14 can monitor in advance, and in height
It breaking and provides warning message to entire car controller by the CPU14 before electricity, reserved Full Vehicle System takes the time of counter-measure,
The Electrical Safety of vehicle is ensured.
Further, the low voltage control/detection circuit further include input acquisition module in thermal management system of whole and
Originally the separate type thermal management system of whole being dispersed in the multiple components of vehicle is integrated into IPDU module by output control module
In, so that outputting and inputting for vehicle heat management is controlled by the IPDU module, failure rate is effectively reduced, simultaneously
Improve the reliability of control.
Specific embodiment described in the utility model is only to give an example to the spirit of the present invention.This is practical
Novel person of ordinary skill in the field can make various modifications or additions to the described embodiments or adopt
It is substituted with similar mode, but without departing from the spirit of the present application or surmounts model defined in the appended claims
It encloses.
In the absence of conflict, the feature in embodiment and embodiment herein-above set forth can be combined with each other.The above institute
The preferred embodiment for stating only the utility model, is not intended to limit the utility model, all spirit and original in the utility model
Within then, any modification, equivalent replacement, improvement and so on be should be included within the scope of protection of this utility model.
Claims (6)
1. a kind of integrated PDU system of new-energy automobile, it is characterised in that: including an IPDU module, in the IPDU module
Including high-pressure modular and low-voltage module, the high-pressure modular includes preliminary filling and high tension loop, EMC filter and high pressure distribution mould
Block, the preliminary filling and high tension loop input terminal connect high-voltage electricity input interface HV_in+ and HV_in-, for the input of high-voltage electricity,
Output end is sequentially connected the EMC filter and high pressure distribution module, and the high pressure distribution module is equipped with a connection DC/DC
The High voltage output DC/DC interface of converter and several High voltage output interfaces, for DC/DC converter and different vehicle-mounted height
Pressure load provides electric energy and load protection；
The low-voltage module includes a CPU, is integrated with several low voltage control/detection circuits, the High voltage output in the CPU
DC/DC interface is equipped with a first voltage current sample point, the high pressure between the preliminary filling and high tension loop and the EMC filter
Route is equipped with a second voltage current acquisition point, and the CPU is separately connected the first voltage current sample point and the second electricity
For current voltage sampled point to monitor the high-pressure modular, several low voltage control/detection circuits are separately connected various vehicle-mounted low-voltage loads,
For receiving acquisition signal and controlling starting and stopping for various vehicle-mounted low-voltage loads.
2. the integrated PDU system of new-energy automobile according to claim 1, it is characterised in that: the High voltage output DC/DC
Interface is connected separately with vehicle-mounted electrical appliance and battery by DC/DC converter.
3. the integrated PDU system of new-energy automobile according to claim 2, it is characterised in that: the High voltage output DC/DC
Interface and several High voltage output interfaces are equipped with fuse independent, to the on-board high-voltage of connection load into
Row overcurrent protection.
4. the integrated PDU system of new-energy automobile according to claim 1, it is characterised in that: the vehicle-mounted low-voltage load
Including motor, electric air-conditioning, high-pressure hydraulic pump, high-pressure fan, air compressor and auto heater.
5. the integrated PDU system of new-energy automobile according to claim 4, it is characterised in that: several low voltage controls/
Detection circuit includes a temperature sensing circuit, and the temperature sensing circuit input terminal is separately connected cooling water pipe and the high pressing mold
Preliminary filling resistance in block, for the temperature change of real-time monitoring cooling water channel entrance, cooling water channel exit and high-pressure modular, and
The electric air-conditioning, high-pressure hydraulic pump and high-pressure fan movement are controlled to adjust temperature.
6. the integrated PDU system of new-energy automobile according to claim 1, it is characterised in that: the CPU and the high pressure
Intermodule is also connected with high-voltage interlocking circuit, can provide alarm signal in time in vehicle high-voltage wiring harness open circuit for entire car controller
Breath, and then reserve the time that Full Vehicle System takes counter-measure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821720726.2U CN209274529U (en) | 2018-10-23 | 2018-10-23 | A kind of integrated PDU system of new-energy automobile |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821720726.2U CN209274529U (en) | 2018-10-23 | 2018-10-23 | A kind of integrated PDU system of new-energy automobile |
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| Publication Number | Publication Date |
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| CN209274529U true CN209274529U (en) | 2019-08-20 |
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| CN201821720726.2U Active CN209274529U (en) | 2018-10-23 | 2018-10-23 | A kind of integrated PDU system of new-energy automobile |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109353295A (en) * | 2018-10-23 | 2019-02-19 | 武汉格罗夫氢能汽车有限公司 | A kind of integrated PDU system of new-energy automobile |
| CN115339359A (en) * | 2022-10-19 | 2022-11-15 | 新汽有限公司 | Hydrogen-electricity integrated controller |
-
2018
- 2018-10-23 CN CN201821720726.2U patent/CN209274529U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109353295A (en) * | 2018-10-23 | 2019-02-19 | 武汉格罗夫氢能汽车有限公司 | A kind of integrated PDU system of new-energy automobile |
| CN115339359A (en) * | 2022-10-19 | 2022-11-15 | 新汽有限公司 | Hydrogen-electricity integrated controller |
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