CN203601035U - Battery pack unit connecting system for electric vehicle - Google Patents
Battery pack unit connecting system for electric vehicle Download PDFInfo
- Publication number
- CN203601035U CN203601035U CN201320825456.2U CN201320825456U CN203601035U CN 203601035 U CN203601035 U CN 203601035U CN 201320825456 U CN201320825456 U CN 201320825456U CN 203601035 U CN203601035 U CN 203601035U
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- China
- Prior art keywords
- battery pack
- battery
- solid
- state relay
- motor
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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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Abstract
The utility model provides a battery pack unit connecting system for an electric vehicle. The battery pack unit connecting system comprises a motor, a battery pack, a sensor and a controller. The battery pack comprises a plurality of battery units and a solid-state relay which is arranged between connecting circuits. The controller controls the solid-state relay according to the obtained starting, accelerating, decelerating and brake signals and the information of the sensor to control the on-off states of the battery units of the battery pack, the controller obtains the left electricity situation of a power source from the battery pack, corresponding voltage signals output by the battery pack drive the motor to operate, and the motor charges the power source through feedback in a braking link. The battery pack unit connecting system can generate the voltage signals in the battery pack to drive the motor, a power converter is removed, the energy consumption produced by the power converter is reduced, and due to the fact that the power converter is removed, the control type is simplified.
Description
Technical field
The utility model relates to a kind of accumulator plant used for electric vehicle, specifically, relates to the battery assembly module connected system for electronlmobil.
Background technology
At present, for electronlmobil, its electric motor drive system is mainly made up of parts such as electrical motor, power converter, controller, various detecting sensor and battery pack.Its electrical motor, can select the several types such as direct current, interchange, brushless, permanently or switching magnetic-resistance by type.Power converter device is by selected motor types, there is DC/DC power converter, the forms such as DC/AC power converter, its effect is by selected motor drive current requirement, the direct current (DC) of battery pack is converted to direct current, interchange or the pulse power of relevant voltage grade.If obtain the voltage signal of driving motor, must be powered to electrical motor through power converter by battery pack, wherein the certain energy of power converter consumption.
Utility model content
In order to improve the energy conversion efficiency from battery pack to electrical motor, the waste of power that reduces to be produced by power converter, the utility model provides a kind of new battery for electric automobile group element connection system, and the voltage signal of drive motor can be provided from battery pack inside, cancels power converter.
In order to solve above-mentioned prior art weak point, the utility model object is to provide a kind of battery for electric automobile group element connection system, to overcome defect of the prior art.
In order to achieve the above object, the utility model provides a kind of battery assembly module connected system for electronlmobil, and described battery assembly module connected system comprises battery pack, electrical motor, sensor and controller.Described battery pack comprises multiple battery units and the solid-state relay between connection line, and described solid-state relay is for controlling the size of described battery unit conducting and disconnection, quantity and time, voltage and controlling single or multiple battery units in the polarity of A, B end output and be controlled at A, B end the voltage signal of exporting size, direction and changeable frequency; Described controller obtains starting, acceleration, deceleration and speed-slackening signal the information in conjunction with described sensor, described in described controller control, solid-state relay is with conducting and the disconnection of the battery unit of control battery pack, and described controller obtains the dump energy situation of power supply from described battery pack, the relevant voltage signal of described battery pack output, driving motor running, charges to power supply feedback in brake hoop economize on electricity motivation.
Preferably, the connection mode of described battery pack is that multiple battery units are arranged side by side, and the polarity between two adjacent battery units is contrary on direction in space; At two polar ends of each battery unit, be connected with respectively solid-state relay; Two adjacent battery units, in the same side of direction in space, interconnect by connecting wire, and be connected into described solid-state relay in connection wires; From the connection wire of direction in space the same sides of adjacent two battery units, draw respectively one and draw wire, and add described solid-state relay described in drawing wire; The described solid-state relay accessing in the connection wire of the polar end of two battery units in the same side is placed on to the same side of on-position; By wire, the end points of drawing wire is linked together, and also add described solid-state relay between adjacent two end points of drawing wire; Draw two wires from drawing the end points connection lead of wire, thereby form two end lines of A, B of described battery pack.
Preferably, described battery pack is directly connected with the described electric electromechanics of described electric automobile motor drive system without power converter, with to electrical motor output voltage signal.
Preferably, described sensor comprises car speed sensor, acceleration pick-up, automobile height sensor, angle of roll sensor, yaw angle sensor, rotary angle transmitter and electrical motor detecting sensor.
Preferably, described electrical motor is DC motor or alternating-current motor/AC motor.
Battery pack of the present utility model adopts many battery units to connect, and between connection line, adds the conducting of solid-state relay with control path.When automobile is in starting, accelerate, deceleration and braking mode are, controller is in conjunction with the information of each sensor, break-make and make-and-break time to solid-state relay are selected, can outbound course, the voltage waveform of variable size, take DC motor drive as example, can export rectangular voltage waveform.For alternating-current motor/AC motor, adopt the little battery unit of output voltage, can the seemingly voltage waveform of key player on a team's ripple of output class.For guaranteeing battery assembly module equalization discharge, can control solid-state relay under a work condition state, the cut-off of solid-state relay alternate conduction, makes the ON time of each battery assembly module the same.
The beneficial effects of the utility model are, can, at the inner voltage signal driving motor that produces of battery pack, cancel power converter, have reduced the energy resource consumption being produced by power converter, and because cancelled power converter, control form have been simplified.
Accompanying drawing explanation
Below in conjunction with accompanying drawing, the utility model is further illustrated.
Fig. 1 is the basic composition block diagram of the corresponding electric automobile motor drive system of the utility model;
The battery assembly module connection mode schematic diagram that Fig. 2 proposes for the utility model;
Fig. 3 is class sine voltage signal.
Description of reference numerals is as follows:
Battery pack 1, electrical motor 2, sensor 3, controller 4, battery unit 5, solid-state relay 6; Two wire cross-over connection 7(are not directly connected).
The specific embodiment
In order to make inspector can further understand structure of the present utility model, feature and other objects, now being accompanied by accompanying drawing in conjunction with appended preferred embodiment is described in detail as follows, the illustrated embodiment of this accompanying drawing is only for the technical solution of the utility model is described, and non-limiting the utility model.
Refer to Fig. 1, Fig. 1 is the basic composition block diagram of the corresponding electric automobile motor drive system of the utility model.As shown in Figure 1, battery assembly module connected system of the present utility model comprises electrical motor 2, battery pack 1, sensor 3 and controller 4.Wherein, battery pack 1 comprises multiple battery units 5 and the solid-state relay between connection line 6, and solid-state relay 6 is for controlling the size of battery unit 5 conductings and disconnection, quantity and time, voltage and controlling single or multiple battery units 5 in the polarity of A, B end output and be controlled at A, B end the voltage signal of exporting size, direction and changeable frequency.Controller 4 obtains the information of starting, acceleration, deceleration and speed-slackening signal combined sensor 3, controller 4 is controlled solid-state relay 6 to control conducting and the disconnection of battery cell unit 5, and controller 4 obtains the dump energy situation of power supply from battery pack 1, the relevant voltage signal that battery pack 1 is exported, driving motor 2 turns round, and in brake hoop economize on electricity motivation 2, power supply feedback is charged.
For the connection mode of battery unit 5 and solid-state relay 6, refer to Fig. 2, Fig. 2 is the constructional drawing of battery assembly module break-make of the present utility model.As shown in Figure 2, in battery pack of the present utility model, (i) multiple battery units 5 are arranged side by side, and the polarity between two adjacent battery units 5 is contrary on direction in space; (ii) two of each battery unit 5 polar ends, are connected with respectively solid-state relay 6; (iii) for the connection of two adjacent battery units 5, in the same side of direction in space, interconnect by connecting wire, and be connected into solid-state relay 6 in connection wire; (vi) from the connection wire of the same sides, locus of adjacent two battery units 5, draw respectively one and draw wire, and shown in add solid-state relay 6 in drawing wire; (v), by the solid-state relay 6 accessing in the connection wire of two the battery polar ends in the same side, be placed on the same side of on-position; (vi) by wire, the end points of drawing wire is linked together, and add solid-state relay 6 between adjacent two end points of drawing wire; (vii) draw two wires from drawing the end points connection lead of wire, thereby form A, two end lines of B, with the voltage signal in A, B end output adjustable voltage size, direction, frequency.
By controlling conducting solid-state relay 6, control the quantity of the battery unit 5 working, wherein can make any one battery unit 5 in conducting and off-state, can control like this size of voltage.Equally, in the time that one or more battery unit 5 works, control conducting and the cut-off of solid-state relay 6, can make at A, the output voltage reversing of B end.With regard to same battery unit 5 and multiple battery unit 5, by controlling solid-state relay 6, can be at A, the contrary voltage signal of B end output polarity.By controlling the time of solid-state relay 6 conductings, and in the time of same voltage class, for guaranteeing equalization discharge, battery unit 5 alternately works, and due to the high frequency effect of solid-state relay 6, it is negligible that battery unit 5 replaces the time.Similarly same, for the three phasevoltage of controlling alternating current dynamo, the size of voltage can realize by the break-make of controlling the corresponding solid-state relay 6 of conducting required voltage; And the adjusting of electric voltage frequency can be controlled the time of solid-state relay 6 conductings and cut-off and time that solid-state relay 6 replaces and realize, with output class sinusoidal signal, as shown in Figure 3.Correspondence can be by the structure in three Fig. 2, to reach the object that obtains three-phase alternating voltage.The compensation that corresponding voltage is fallen, controller 4 can increase by controlling solid-state relay 6 quantity of battery unit 5 conductings.For guaranteeing equalization discharge, under same operating condition, controller 4 is controlled solid-state relay 6 alternating actions, make the time of all battery unit 5 conductings identical, for the compensation of pressure drop, under same voltage class, can increase the number of battery unit 5 conductings, to compensate pressure drop.
Need statement, above-mentioned utility model content and the specific embodiment are intended to prove the practical application of technical scheme that the utility model provides, and should not be construed as the restriction to the utility model protection domain.Those skilled in the art are in spirit of the present utility model and principle, when doing various modifications, be equal to and replace or improve.Protection domain of the present utility model is as the criterion with appended claims.
Claims (5)
1. for a battery assembly module connected system for electronlmobil, it is characterized in that, described battery assembly module connected system comprises battery pack (1), electrical motor (2), sensor (3) and controller (4); Wherein:
Battery pack (1) comprises multiple battery units (5) and the solid-state relay between connection line (6), and solid-state relay (6) is for controlling the size of battery unit (5) conducting and disconnection, quantity and time, voltage and controlling single or multiple battery units (5) in the polarity of A, B end output and be controlled at A, B end the voltage signal of exporting size, direction and changeable frequency;
Controller (4) obtains the information of starting, acceleration, deceleration and speed-slackening signal combined sensor (3), controller (4) is controlled solid-state relay (6) to control conducting and the disconnection of battery cell unit (5), and controller (4) obtains the dump energy situation of power supply from battery pack (1), the relevant voltage signal of battery pack (1) output, driving motor (2) running, charges to power supply feedback in brake hoop economize on electricity motivation (2).
2. the system as claimed in claim 1, is characterized in that, the connection mode of battery pack (1) is that multiple battery units (5) are arranged side by side, and the polarity between adjacent two battery units (5) is contrary on direction in space; At two polar ends of each battery unit (5), be connected with respectively solid-state relay (6); Adjacent two battery units (5), in the same side of direction in space, interconnect by connecting wire, and be connected into solid-state relay (6) in connection wires; From the connection wire of direction in space the same sides of adjacent two battery units (5), draw respectively one and draw wire, and add solid-state relay (6) described in drawing wire; The solid-state relay (6) accessing in the connection wire of the polar end of two battery units in the same side (5) is placed on to the same side of on-position; By wire, the end points of drawing wire is linked together, and also add solid-state relay (6) between adjacent two end points of drawing wire; Draw two wires from drawing the end points connection lead of wire, thereby form two end lines of A, B of battery pack (1).
3. battery assembly module connected system as claimed in claim 1 or 2, it is characterized in that, battery pack (1) is directly electrically connected with the electrical motor (2) of described electric automobile motor drive system without power converter, with to electrical motor (2) output voltage signal.
4. battery assembly module connected system as claimed in claim 1, it is characterized in that, sensor (3) comprises car speed sensor, acceleration pick-up, automobile height sensor, angle of roll sensor, yaw angle sensor, rotary angle transmitter and electrical motor detecting sensor.
5. battery assembly module connected system as claimed in claim 1, is characterized in that, electrical motor (2) is DC motor or alternating-current motor/AC motor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320825456.2U CN203601035U (en) | 2013-12-13 | 2013-12-13 | Battery pack unit connecting system for electric vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320825456.2U CN203601035U (en) | 2013-12-13 | 2013-12-13 | Battery pack unit connecting system for electric vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203601035U true CN203601035U (en) | 2014-05-21 |
Family
ID=50713730
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320825456.2U Withdrawn - After Issue CN203601035U (en) | 2013-12-13 | 2013-12-13 | Battery pack unit connecting system for electric vehicle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203601035U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104709102A (en) * | 2013-12-13 | 2015-06-17 | 北京理工大学 | Electric automobile battery pack unit on-off and motor drive system and control method thereof |
| CN107009902A (en) * | 2017-05-03 | 2017-08-04 | 安徽康力节能电器科技有限公司 | A kind of electric automobile distribution system with energy feedback |
-
2013
- 2013-12-13 CN CN201320825456.2U patent/CN203601035U/en not_active Withdrawn - After Issue
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104709102A (en) * | 2013-12-13 | 2015-06-17 | 北京理工大学 | Electric automobile battery pack unit on-off and motor drive system and control method thereof |
| CN104709102B (en) * | 2013-12-13 | 2017-06-20 | 北京理工大学 | Batteries of electric automobile group unit break-make and electric motor drive system and its control method |
| CN107009902A (en) * | 2017-05-03 | 2017-08-04 | 安徽康力节能电器科技有限公司 | A kind of electric automobile distribution system with energy feedback |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20140521 Effective date of abandoning: 20170620 |
|
| AV01 | Patent right actively abandoned |