CN209426574U - Pure electric vehicles high-voltage distribution device - Google Patents
Pure electric vehicles high-voltage distribution device Download PDFInfo
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- CN209426574U CN209426574U CN201822222841.3U CN201822222841U CN209426574U CN 209426574 U CN209426574 U CN 209426574U CN 201822222841 U CN201822222841 U CN 201822222841U CN 209426574 U CN209426574 U CN 209426574U
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- relay
- input terminal
- voltage
- high voltage
- preliminary filling
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Abstract
The utility model discloses a pure electric vehicles high voltage distribution device, including high-voltage box and controller assembly, the input of high-voltage box is connected to the output of power battery L, the high-voltage positive pole input and the high-voltage negative pole input of controller assembly are connected respectively to the main positive output and the main negative output of high-voltage box; the controller assembly comprises a pre-charging control circuit, an oil pump control circuit, a PTC control circuit and an air conditioner control circuit. The utility model discloses not only realized original high-voltage line's all functions, simplified the degree of difficulty that the high-voltage device was arranged on whole car moreover greatly. Meanwhile, the control strategy of the high-voltage system is optimized and perfected, the high-voltage electric energy is reasonably distributed, and high-voltage components are integrated to a higher degree, so that the system has the advantages of high integration level and convenience in system maintenance and equipment maintenance.
Description
Technical field
The utility model belongs to electric automobile high-voltage electrical arrangement technical field, and in particular to a kind of pure electric automobile high pressure
Power distribution equipment.
Background technique
Important kind of the pure electric automobile as new-energy automobile, has the characteristics that zero-emission and low pollution.In state's housekeeping
Under the vigorously supporting of plan, various types of pure electric automobiles obtain in recent years rapid growth.With the increase of production capacity, vehicle
It is higher and higher for the design requirement of high-pressure system structural principle, the electrical arrangement of electric automobile high-voltage, step by step towards
Integrated direction is developed, and the difficulty of vehicle component layout and the weight of vehicle are not only reduced, and also improve vehicle can
By property, integrated vehicle control tactics are relatively easy to accomplish simultaneously.
Summary of the invention:
The technical problem to be solved by the present invention is to provide a kind of pure electric automobile high voltage distribution installations, realize original
The institute of high-tension line is functional, and enormously simplifies the difficulty that high tension apparatus is arranged on vehicle, convenient for system maintenance and sets
Standby maintenance.
In order to solve the above-mentioned technical problem the technical solution of the utility model are as follows:
A kind of pure electric automobile high voltage distribution installation, including high-voltaghe compartment and control assembly, the input terminal connection of high-voltaghe compartment
In the output end of power battery L, the high-voltage positive electrode input terminal and high voltage negative input terminal of control assembly are connected to high pressure
The main positive output end and main negative output terminal of case；Control assembly includes precharge control circuit, oil pump controlling circuit, PTC control
Circuit and ac control circuit.
Preferably, precharge control circuit includes the high-voltage positive electrode input terminal and high voltage negative input terminal in control assembly
The positive relay k2 and MCU of the master being sequentially connected in series.
Preferably, precharge control circuit further includes preliminary filling relay k1 and resistance R1, one end of preliminary filling relay k1 connects
Main positive relay k2 is met close to one end of high-voltage positive electrode input terminal, the other end of preliminary filling relay k1 connects one end of resistance R1,
The main positive relay k2 of other end connection of resistance R1 is close to one end of MCU.
Preferably, oil pump controlling circuit include control assembly high-voltage positive electrode input terminal and high voltage negative input terminal according to
FP Fuel Pump Relay k3, the oil pump of secondary concatenation insure F1 and DCAC, DCAC connection Oil pump electrical machinery.
Preferably, PTC control circuit include control assembly high-voltage positive electrode input terminal and high voltage negative input terminal according to
PTC relay k4, PTC of secondary concatenation insure F3 and PTC.
Preferably, ac control circuit include control assembly high-voltage positive electrode input terminal and high voltage negative input terminal according to
AIR COND RLY Air Conditioner Relay k6, air-conditioning insurance F4 and the air-conditioning of secondary concatenation.
Preferably, ac control circuit further includes air-conditioning preliminary filling relay k5 and resistance R2, air-conditioning preliminary filling relay k5's
One end connects AIR COND RLY Air Conditioner Relay k6 close to one end of high-voltage positive electrode input terminal, and the other end of air-conditioning preliminary filling relay k5 connects resistance
One end of R2, the other end connection AIR COND RLY Air Conditioner Relay k6 of resistance R2 is close to one end of air-conditioning insurance F4.
Preferably, control circuit assembly further includes the high-voltage positive electrode input terminal and high voltage negative input terminal in control assembly
The insurance F2 and DC/DC of concatenation, DC/DC connection 12V power supply.
Preferably, being equipped with service switch MSD1, high pressure between the main positive output end of high-voltaghe compartment and the positive terminal of power battery L
Concatenated current sensor I and main negative relay K9 are equipped between the main negative output terminal of case and the negative pole end of power battery L；High pressure
Case further includes fast charge cathode output end and fast charge cathode output end, and fast charge cathode output end is dynamic by the positive relay k7 connection of fast charge
The positive terminal of power battery L, fast charge cathode output end pass through the negative pole end of the negative relay k8 connection power battery L of fast charge.
Preferably, the high-voltage positive electrode input terminal of control assembly is equipped with service switch MSD2.
The utility model has the beneficial effects that: the institute for not only realizing original high-tension line is functional, but also significantly simple
The difficulty that high tension apparatus is arranged on vehicle is changed.Meanwhile to the control strategy of high-pressure system be optimized with it is perfect, to height
Piezoelectricity can be carried out reasonable distribution, and high component has carried out the integrated of higher degree, have that integrated level is high, convenient for system maintenance and
The advantages of maintenance of equipment.
Detailed description of the invention
Fig. 1 is the electrical block diagram of the utility model high-voltage cage；
Fig. 2 is the utility model controller general name electrical block diagram.
Specific embodiment
A kind of pure electric automobile high voltage distribution installation, including high-voltaghe compartment and control assembly, the input terminal connection of high-voltaghe compartment
In the output end of power battery L, the high-voltage positive electrode input terminal and high voltage negative input terminal of control assembly are connected to high pressure
The main positive output end and main negative output terminal of case；Control assembly includes precharge control circuit, oil pump controlling circuit, PTC control
Circuit and ac control circuit.
Precharge control circuit includes successively going here and there in the high-voltage positive electrode input terminal and high voltage negative input terminal of control assembly
The positive relay k2 and MCU of the master connect.
Precharge control circuit further includes preliminary filling relay k1 and resistance R1, one end connection of preliminary filling relay k1 it is main just after
Electric appliance k2 is close to one end of high-voltage positive electrode input terminal, and the other end of preliminary filling relay k1 connects one end of resistance R1, resistance R1's
The main positive relay k2 of other end connection is close to one end of MCU.
Oil pump controlling circuit includes being sequentially connected in series in the high-voltage positive electrode input terminal and high voltage negative input terminal of control assembly
FP Fuel Pump Relay k3, oil pump insure F1 and DCAC, DCAC connection Oil pump electrical machinery.
PTC control circuit includes being sequentially connected in series in the high-voltage positive electrode input terminal and high voltage negative input terminal of control assembly
PTC relay k4, PTC insure F3 and PTC.
Ac control circuit includes being sequentially connected in series in the high-voltage positive electrode input terminal and high voltage negative input terminal of control assembly
AIR COND RLY Air Conditioner Relay k6, air-conditioning insurance F4 and air-conditioning.
Ac control circuit further includes air-conditioning preliminary filling relay k5 and resistance R2, one end connection of air-conditioning preliminary filling relay k5
For AIR COND RLY Air Conditioner Relay k6 close to one end of high-voltage positive electrode input terminal, the other end of air-conditioning preliminary filling relay k5 connects the one of resistance R2
End, the other end connection AIR COND RLY Air Conditioner Relay k6 of resistance R2 is close to one end of air-conditioning insurance F4.
Control circuit assembly further includes concatenating in the high-voltage positive electrode input terminal and high voltage negative input terminal of control assembly
Insure F2 and DC/DC, DC/DC connection 12V power supply.
Service switch MSD1, the master of high-voltaghe compartment are equipped between the main positive output end of high-voltaghe compartment and the positive terminal of power battery L
Concatenated current sensor I and main negative relay K9 are equipped between negative output terminal and the negative pole end of power battery L；High-voltaghe compartment also wraps
Fast charge cathode output end and fast charge cathode output end are included, fast charge cathode output end passes through the positive relay k7 connection power battery of fast charge
The positive terminal of L, fast charge cathode output end pass through the negative pole end of the negative relay k8 connection power battery L of fast charge.
The high-voltage positive electrode input terminal of control assembly is equipped with service switch MSD2.
The total just total negative high-voltage positive electrode for being separately connected control assembly by high-voltage cage of the power battery L packet of the present embodiment is defeated
Enter end and high voltage negative input terminal, the positive relay k7 of fast charge, the negative relay k8 of fast charge are located inside high-voltage cage, and fast charge is directly in height
Electricity is taken on pressure box.High voltage power assembly controller is internally integrated single-chip microprocessor MCU, power distribution unit PDU, DCAC power supply, DCDC
Power supply.MCU, DCAC, DCDC, ptc heater, air-conditioning system are connected in parallel, and preliminary filling relay is connected with preliminary filling resistance, just with master
Relay is in parallel, realizes major loop preliminary filling.Turn power-assisted and DCDC carry preliminary filling, and turn controller needs after the completion of ON grades of preliminary fillings
It after waiting major loop to complete preliminary filling, can externally export, insurance F1 carries out overcurrent protection to the circuit DCAC.DCDC is realized at ON grades
Preliminary filling, delay 3s's preliminary filling starts to work after the completion, and insurance F2 carries out overcurrent protection to the circuit DCDC.PTC relay is respectively by leading
Circuit preliminary filling is enabled and vehicle circuitry co- controlling, insurance F3 carry out overcurrent protection to the circuit PTC.Air-conditioning preliminary filling relay,
Preliminary filling resistance R2 series connection, then it is in parallel with AIR COND RLY Air Conditioner Relay, at ON grade, to air-conditioning progress preliminary filling, insure F4 to air conditioner loop into
Row overcurrent protection.
The utility model driving the stage workflow include:
Electrifying timing sequence: when key is screwed to ON grades, negative relay is led when controller confirmation and has been closed, at this time air-conditioning preliminary filling relay
Device closure, air-conditioning starts to carry out preliminary filling, after the completion of preliminary filling, AIR COND RLY Air Conditioner Relay closure.Turn pump controller, DCDC independently carry pre-
It fills, also synchronously completes preliminary filling.After the completion of preliminary filling, DCDC delay 3s starts to work, and ON grades of turn do not work, and electric air-conditioning is by working
It is enabled that signal and vehicle circuitry co- controlling are completed by air-conditioning preliminary filling.
When key is screwed to ST grades, when the main negative relay of controller confirmation has been closed, major loop preliminary filling relay is closed at this time,
Major loop starts to carry out preliminary filling, and after the completion of preliminary filling, main positive contactor closure disconnects preliminary filling relay after the positive relay closure of master
It is enabled internally to control turn output for device.PTC relay closure is controlled simultaneously, and PTC work is enabled to complete signal by major loop preliminary filling
And vehicle circuitry co- controlling.
Lower electricity timing: being worked as by ON when key and be screwed to OFF, the lower high pressure in 150ms.
Workflow of the utility model in the charging stage include:
It powers on: after plugging charging gun, entire car controller power-up initializing, self-test, while waking up BMS.BMS wake up after with
Charger to controller issues " charging gun has been inserted into " message after shaking hands successfully, detects that charging gun is inserted into message, is closed main negative
The positive relay of contactor, fast charge, the negative relay of fast charge, charge, while once detecting that " charging gun insert state " is vertical
It carves and executes high-voltage interlocking instruction.
Lower electricity: after pulling out charging gun, four-in-one controller charging signals power supply power-fail, four-in-one controller prolongs in inside
When control logic under finally fall low tension.
It should be understood that for those of ordinary skills, it can be modified or changed according to the above description,
And all these modifications and variations should all belong to the protection domain of appended claims of the present invention.
Claims (10)
1. a kind of pure electric automobile high voltage distribution installation, it is characterised in that: including high-voltaghe compartment and control assembly, the high-voltaghe compartment
Input terminal be connected to the output end of power battery L, high-voltage positive electrode input terminal and the high voltage negative input of the control assembly
End is connected to the main positive output end and main negative output terminal of the high-voltaghe compartment；The control assembly includes preliminary filling electric control electricity
Road, oil pump controlling circuit, PTC control circuit and ac control circuit.
2. a kind of pure electric automobile high voltage distribution installation according to claim 1, it is characterised in that: the preliminary filling electric control
Circuit includes the positive relay of master that is sequentially connected in series of high-voltage positive electrode input terminal and high voltage negative input terminal in the control assembly
K2 and MCU.
3. a kind of pure electric automobile high voltage distribution installation according to claim 2, it is characterised in that: the preliminary filling electric control
Circuit further includes that connect the positive relay k2 of master close for one end of preliminary filling relay k1 and resistance R1, the preliminary filling relay k1
The other end of one end of the high-voltage positive electrode input terminal, the preliminary filling relay k1 connects one end of the resistance R1, the electricity
The other end of resistance R1 connects the positive relay k2 of the master close to one end of the MCU.
4. a kind of pure electric automobile high voltage distribution installation according to claim 1, it is characterised in that: the oil pump control electricity
Road include the control assembly high-voltage positive electrode input terminal and high voltage negative input terminal be sequentially connected in series FP Fuel Pump Relay k3,
Oil pump insures F1 and DCAC, DCAC connection Oil pump electrical machinery.
5. a kind of pure electric automobile high voltage distribution installation according to claim 1, it is characterised in that: the PTC control electricity
Road include the control assembly high-voltage positive electrode input terminal and high voltage negative input terminal be sequentially connected in series PTC relay k4,
PTC insures F3 and PTC.
6. a kind of pure electric automobile high voltage distribution installation according to claim 1, it is characterised in that: the airconditioning control electricity
Road include the control assembly high-voltage positive electrode input terminal and high voltage negative input terminal be sequentially connected in series AIR COND RLY Air Conditioner Relay k6,
Air-conditioning insures F4 and air-conditioning.
7. a kind of pure electric automobile high voltage distribution installation according to claim 6, it is characterised in that: the airconditioning control electricity
Road further includes one end connection AIR COND RLY Air Conditioner Relay of air-conditioning preliminary filling relay k5 and resistance R2, the air-conditioning preliminary filling relay k5
K6 connects the one of the resistance R2 close to one end of the high-voltage positive electrode input terminal, the other end of the air-conditioning preliminary filling relay k5
End, the other end of the resistance R2 connect the AIR COND RLY Air Conditioner Relay k6 close to one end of air-conditioning insurance F4.
8. a kind of pure electric automobile high voltage distribution installation according to claim 1, it is characterised in that: the control circuit is total
At further include the control assembly high-voltage positive electrode input terminal and high voltage negative input terminal concatenate insurance F2 and DC/DC,
The DC/DC connection 12V power supply.
9. a kind of pure electric automobile high voltage distribution installation according to claim 1, it is characterised in that: the master of the high-voltaghe compartment
Between positive output end and the positive terminal of the power battery L be equipped with service switch MSD1, the main negative output terminal of the high-voltaghe compartment and
Concatenated current sensor I and main negative relay K9 are equipped between the negative pole end of the power battery L；The high-voltaghe compartment further includes
Fast charge cathode output end and fast charge cathode output end, the fast charge cathode output end pass through the positive relay k7 connection power electric of fast charge
The positive terminal of pond L, the fast charge cathode output end pass through the negative pole end of the negative relay k8 connection power battery L of fast charge.
10. a kind of pure electric automobile high voltage distribution installation according to claim 1, it is characterised in that: the controller is total
At high-voltage positive electrode input terminal be equipped with service switch MSD2.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822222841.3U CN209426574U (en) | 2018-12-27 | 2018-12-27 | Pure electric vehicles high-voltage distribution device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822222841.3U CN209426574U (en) | 2018-12-27 | 2018-12-27 | Pure electric vehicles high-voltage distribution device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209426574U true CN209426574U (en) | 2019-09-24 |
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ID=67974177
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822222841.3U Active CN209426574U (en) | 2018-12-27 | 2018-12-27 | Pure electric vehicles high-voltage distribution device |
Country Status (1)
| Country | Link |
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| CN (1) | CN209426574U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112158106A (en) * | 2020-10-26 | 2021-01-01 | 合肥工业大学 | Charging control circuit of electric automobile with double battery systems and control method thereof |
| WO2023179272A1 (en) * | 2022-03-23 | 2023-09-28 | 三一重型装备有限公司 | High-voltage distribution box, high-voltage distribution system, and electric vehicle |
-
2018
- 2018-12-27 CN CN201822222841.3U patent/CN209426574U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112158106A (en) * | 2020-10-26 | 2021-01-01 | 合肥工业大学 | Charging control circuit of electric automobile with double battery systems and control method thereof |
| CN112158106B (en) * | 2020-10-26 | 2022-02-01 | 合肥工业大学 | Charging control circuit of electric automobile with double battery systems and control method thereof |
| WO2023179272A1 (en) * | 2022-03-23 | 2023-09-28 | 三一重型装备有限公司 | High-voltage distribution box, high-voltage distribution system, and electric vehicle |
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