CN103072464B - A kind of series hybrid electric vehicle high-pressure system power-on and power-off control circuit and control method - Google Patents
A kind of series hybrid electric vehicle high-pressure system power-on and power-off control circuit and control method Download PDFInfo
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- CN103072464B CN103072464B CN201310044770.1A CN201310044770A CN103072464B CN 103072464 B CN103072464 B CN 103072464B CN 201310044770 A CN201310044770 A CN 201310044770A CN 103072464 B CN103072464 B CN 103072464B
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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
- Y02T10/62—Hybrid vehicles
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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
- Y02T10/80—Technologies aiming to reduce greenhouse gasses emissions common to all road transportation technologies
- Y02T10/92—Energy efficient charging or discharging systems for batteries, ultracapacitors, supercapacitors or double-layer capacitors specially adapted for vehicles
Abstract
The invention provides a kind of series hybrid electric vehicle high-pressure system power-on and power-off control circuit and control method, comprise and be connected in parallel on the driver module at high-tension battery module two ends by the main contactor S2 of parallel connection and pre-charge contactor S3, be connected in parallel on the electricity generation module at driver module two ends, driver module comprises driving governor, electricity generation module comprises electricity generating controller, electricity generation module is connected in parallel on high-tension battery module two ends, and is connected with on-off element S1 between its positive pole.The present invention is by charging to high-tension battery module by the electricity that electricity generation module sends in lower electric time delay, solve the driver module that causes owing to not having expendable load and the electricity generation module electric capacity be connected between high voltage bus both positive and negative polarity itself overcharges problem, thus ensure the safety of series hybrid electric vehicle high-pressure system upward and downward electric process.
Description
Technical field
The present invention relates to hybrid electric vehicle field, specifically a kind of series hybrid electric vehicle high-pressure system power-on and power-off control circuit and control method.
Background technology
In recent years, along with global warming phenomenon is on the rise, and more and more nervous contradiction between oil supply and demand, " energy-conserving and environment-protective ", " minimizing greenhouse gas emission " etc. have become focus and the Research Emphasis of automotive field.Hybrid electric vehicle by two or more single drive source reasonable combination that can operate simultaneously, thus makes full use of its advantage while each drive source shortcoming of compensation, is low oil consumption and the clean air vehicles of current most actual development meaning.
Series hybrid electric vehicle electrokinetic cell high direct voltage used can up to 600V, the safety of therefore high-pressure system power-on and power-off and stability significant for the long-time safe and stable operation of series hybrid electric vehicle.
In the prior art, the control of series hybrid electric vehicle to high-pressure system power-on and power-off is that the break-make of contactless contactor S2 and the precharge switch S3 controlled by driver module is realized.When car load requires lower electricity, the contactless contactor S2 that driver module controls can disconnect the connection of high voltage electric equipment and high-tension battery module immediately, but, be directly parallel in driver module positive and negative end, can spontaneous high pressure electricity generation module from enter stop generating state to stopping generating electricity completely, need the time delay of about 200ms.The electric capacity that the electricity that electricity generation module sends in this lower electric time delay can be connected to driver module and electricity generation module itself between high voltage bus both positive and negative polarity owing to not having expendable load is quick-fried to filling.Consider the importance of high-pressure system upward and downward electric process for car load, be necessary to design a kind of control circuit and control method that can ensure series hybrid electric vehicle high-pressure system upward and downward electric process safety.
Summary of the invention
The technical problem to be solved in the present invention is to provide a kind of series hybrid electric vehicle high-pressure system power-on and power-off control circuit and control method, and its structure is simple, dependable performance and can ensure the safety of high-pressure system upward and downward electric process in all cases well.
Technical scheme of the present invention is:
A kind of series hybrid electric vehicle high-pressure system power-on and power-off control circuit, comprise and be connected in parallel on the driver module at high-tension battery module two ends by the main contactor of parallel connection and pre-charge contactor, be connected in parallel on the electricity generation module at driver module two ends, driver module comprises driving governor, electricity generation module comprises electricity generating controller, electricity generation module is connected in parallel on high-tension battery module two ends, and is connected with on-off element between its positive pole.
The signal input part of on-off element of described series hybrid electric vehicle high-pressure system power-on and power-off control circuit is connected with the signal output part of electricity generating controller.
The on-off element of described series hybrid electric vehicle high-pressure system power-on and power-off control circuit is controllable relays.
The electricity generating controller with suicide lower Electricity Functional of described series hybrid electric vehicle high-pressure system power-on and power-off control circuit connects normal electricity.
The high-tension battery module of described series hybrid electric vehicle high-pressure system power-on and power-off control circuit, driver module and electricity generation module all adopt sectional area to be that the high voltage bus of 50 square millimeters is connected between any two.
The control method of described series hybrid electric vehicle high-pressure system power-on and power-off control circuit, comprises the following steps:
(1) when driver module receive car load power on instruction time, driving governor control pre-charge contactor close, start precharge;
(2) after precharge completes, driving governor controls main contactor and closes, and controls pre-charge contactor simultaneously and disconnects;
(3), after electricity generating controller detects that main contactor has powered on, master cock element closes, and completes car load high-pressure system power up;
(4) when driver module receives that under car load, electric instruction or car load low-voltage power supply are cut off, driving governor enters power-down state, and the main contactor controlled by it disconnects immediately;
(5) loop that the electricity that sends of electricity generation module is consisted of it and high-tension battery module and on-off element is charged to high-tension battery module;
(6) when electricity generating controller detects that electricity generation module stops generating completely, master cock element disconnects, and opens suicide lower electricity, completes electric process under car load high-pressure system.
The present invention passes through electricity generation module and high-tension battery wired in parallel, and arranges on-off element between its positive pole, can ensure the safety of series hybrid electric vehicle high-pressure system upward and downward electric process.The electricity that electricity generation module sends in lower electric time delay can be charged to high-tension battery module by the loop of it and on-off element and high-tension battery module composition, this addresses the problem the driver module that may cause owing to not having expendable load and the electricity generation module electric capacity be connected between high voltage bus both positive and negative polarity itself overcharges problem; After electricity generation module stops generating completely, on-off element disconnects, thus electricity under completing the safety of car load high-pressure system.Structure of the present invention is simple, dependable performance.
Accompanying drawing explanation
Fig. 1 is electrical block diagram of the present invention.
Detailed description of the invention
As shown in Figure 1, a kind of series hybrid electric vehicle high-pressure system power-on and power-off control circuit, the electricity generation module 3 comprising high-tension battery module 1, be connected in parallel on the driver module 2 at high-tension battery module 1 two ends, be connected in parallel on driver module 2 two ends; Main contactor S2 parallel with one another and pre-charge contactor S3 is connected between driver module 2 and the positive pole of high-tension battery module 1, wherein, pre-charge contactor S3 is serially connected with pre-charge resistance R, the withstand voltage of pre-charge resistance R is 1.5 times of cell pressure, resistance to flow valuve is that cell pressure 1.5 is doubly divided by pre-charge resistance value, the contact point withstand voltage of main contactor S2 is cell pressure more than 1.5 times, and adhesive line wraps 1.5 times that electric induction voltage is less than low voltage voltage; Electricity generation module 3 is connected in parallel on high-tension battery module 1 two ends, between its positive pole, be connected to controllable relays S1, and the adhesive withstand voltage of controllable relays S1 is higher than cell pressure 1.5 times, and the line at controllable relays S1 two ends is greater than 25 square millimeter wire diameters.
Driver module 2 includes electrical motor and driving governor (not shown in figure 1), and electrical motor connects high-tension current, and driving governor connects low tension, and the signal output part of driving governor is connected with the signal input part of main contactor S2 and pre-charge contactor S3 respectively.
Electricity generation module 3 includes electrical generator and electricity generating controller (not shown in figure 1), and electricity generating controller connects normal electricity and with suicide lower Electricity Functional, the signal output part of electricity generating controller is connected with the signal input part of controllable relays S1.
Principle of work of the present invention:
When driver module 2 receive car load power on instruction time, driving governor controls pre-charge contactor S3 and closes, high-tension battery module 1 starts the capacitor charging to high pressure consumer (not shown in figure 1)s such as electrical motors, makes the voltage between high voltage electric equipment positive and negative busbar close to the voltage at high-tension battery module 1 two ends; After precharge completes, driving governor controls main contactor S2 and closes, and controls pre-charge contactor S3 simultaneously and disconnects; After electricity generating controller detects that main contactor S2 has powered on, control controllable relays S1 and close, complete car load high-pressure system power up.
When driver module 2 receives that under car load, electric instruction or car load low-voltage power supply are cut off, because logic control element on car all can only use low-voltage power supply, so driving governor can enter power-down state, the main contactor S2 controlled by it also can disconnect immediately, thus is disconnected the connection between high voltage electric equipment and high-tension battery module 1; Because electricity generating controller connects normal electricity, so now electricity generating controller can not enter power-down state, the controllable relays S1 controlled by it also can not disconnect; The loop that electricity generation module 3 electricity that (about 200ms) sends in lower electric time delay can be consisted of it and high-tension battery module 1 and controllable relays S1 is charged to high-tension battery module 1; When electricity generating controller detects that electrical generator stops generating electricity completely, control controllable relays S1 to disconnect, and open suicide lower electricity (so-called suicide lower electricity, refer to when detect oneself can below electricity time, disconnected by the source switch of ACTIVE CONTROL oneself and realize lower electricity), complete electric process under car load high-pressure system.
The above embodiment is only be described the preferred embodiment of the present invention; not scope of the present invention is limited; under not departing from the present invention and designing the prerequisite of spirit; the various distortion that those of ordinary skill in the art make technical scheme of the present invention and improvement, all should fall in protection domain that claims of the present invention determine.
Claims (1)
1. the control method of a series hybrid electric vehicle high-pressure system power-on and power-off control circuit, described control circuit comprises the driver module (2) being connected in parallel on high-tension battery module (1) two ends by the main contactor (S2) of parallel connection and pre-charge contactor (S3), be connected in parallel on the electricity generation module (3) at driver module (2) two ends, driver module (2) comprises driving governor, electricity generation module (3) comprises electricity generating controller, electricity generation module (3) is connected in parallel on high-tension battery module (1) two ends, and between its positive pole, be connected with on-off element (S1), it is characterized in that, comprise the following steps:
(1) when driver module (2) receive car load power on instruction time, driving governor control pre-charge contactor (S3) close, start precharge;
(2) after precharge completes, driving governor controls main contactor (S2) and closes, and controls pre-charge contactor (S3) simultaneously and disconnects;
(3), after electricity generating controller detects that main contactor (S2) has powered on, master cock element (S1) closes, and completes car load high-pressure system power up;
(4) when under driver module (2) receives car load, electric instruction or car load low-voltage power supply are cut off, driving governor enters power-down state, and the main contactor (S2) controlled by it disconnects immediately;
(5) loop that the electricity that sends of electricity generation module (3) is consisted of it and high-tension battery module (1) and on-off element (S1) is charged to high-tension battery module (1);
(6) when electricity generating controller detects that electricity generation module (3) stops generating completely, master cock element (S1) disconnects, and opens suicide lower electricity, completes electric process under car load high-pressure system.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201310044770.1A CN103072464B (en) | 2013-02-05 | 2013-02-05 | A kind of series hybrid electric vehicle high-pressure system power-on and power-off control circuit and control method |
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| CN201310044770.1A CN103072464B (en) | 2013-02-05 | 2013-02-05 | A kind of series hybrid electric vehicle high-pressure system power-on and power-off control circuit and control method |
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| CN103072464A CN103072464A (en) | 2013-05-01 |
| CN103072464B true CN103072464B (en) | 2015-09-09 |
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104553813B (en) * | 2014-12-16 | 2017-04-12 | 惠州市亿能电子有限公司 | Control method for electric automobile high-voltage power-on circuit |
| TWI681889B (en) * | 2016-03-22 | 2020-01-11 | 光陽工業股份有限公司 | Series hybrid power device for vehicle and control method thereof |
| CN108773271B (en) * | 2018-06-08 | 2020-07-03 | 北京长城华冠汽车科技股份有限公司 | Power supply control method of electric automobile |
| CN113937408A (en) * | 2020-06-30 | 2022-01-14 | 蓝谷智慧(北京)能源科技有限公司 | Energy storage device, energy storage control method and device applying energy storage device and equipment |
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