CN111422083A - Automatic charging device of electric vehicle capable of effectively preventing looseness - Google Patents
Automatic charging device of electric vehicle capable of effectively preventing looseness Download PDFInfo
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- CN111422083A CN111422083A CN202010279512.1A CN202010279512A CN111422083A CN 111422083 A CN111422083 A CN 111422083A CN 202010279512 A CN202010279512 A CN 202010279512A CN 111422083 A CN111422083 A CN 111422083A
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- Prior art keywords
- charging
- interface
- electric vehicle
- charging interface
- charging device
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L53/00—Methods of charging batteries, specially adapted for electric vehicles; Charging stations or on-board charging equipment therefor; Exchange of energy storage elements in electric vehicles
- B60L53/10—Methods of charging batteries, specially adapted for electric vehicles; Charging stations or on-board charging equipment therefor; Exchange of energy storage elements in electric vehicles characterised by the energy transfer between the charging station and the vehicle
- B60L53/14—Conductive energy transfer
- B60L53/16—Connectors, e.g. plugs or sockets, specially adapted for charging electric vehicles
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L53/00—Methods of charging batteries, specially adapted for electric vehicles; Charging stations or on-board charging equipment therefor; Exchange of energy storage elements in electric vehicles
- B60L53/30—Constructional details of charging stations
- B60L53/31—Charging columns specially adapted for electric 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
-
- 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
- Y02T10/7072—Electromobility specific charging systems or methods for batteries, ultracapacitors, supercapacitors or double-layer capacitors
-
- 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
- Y02T90/00—Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02T90/10—Technologies relating to charging of electric vehicles
- Y02T90/12—Electric charging stations
-
- 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
- Y02T90/00—Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02T90/10—Technologies relating to charging of electric vehicles
- Y02T90/14—Plug-in electric vehicles
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
The invention discloses an automatic electric vehicle charging device capable of effectively preventing looseness, which structurally comprises two interfaces, wherein the two interfaces comprise a charging interface A connected with an electric trolley battery box and a charging interface B connected with a charging pile power supply, and the charging is completed by matching the charging interface A and the charging interface B during charging. The battery charging device is simple in structure, good charging effect is guaranteed, meanwhile, reliable mechanical looseness prevention is provided, connection reliability is improved, battery charging efficiency can be improved, safety is high, and automation level of the device is improved.
Description
Technical Field
The invention relates to the technical field of electric vehicle charging devices, in particular to an electric vehicle automatic charging device capable of effectively preventing looseness.
Background
With the development of human society, environmental problems and energy crisis are becoming more prominent, and electric vehicles are now widely used in people's daily lives as a major component of green energy. The electric vehicle is not limited to the electric automobile, but also comprises an electric trolley which is generally applied to industrial sites, factory buildings, workshop goods handling and factory running state monitoring. The battery is used as an important energy source of the electric vehicle and faces the charging problem after being used for a long time, however, the existing manual power supplement has high human resource cost, only a few operators carry out industrial field monitoring on a plurality of industrial control fields at present, and meanwhile, the traditional charging interface faces poor contact after being used for a long time, the charging is unstable, the contact resistance is increased after being used for a long time, unnecessary energy dissipation is caused, the charging efficiency is reduced, and the service life of the battery system of the electric vehicle can be influenced after being used for a long time. How with a novel efficient interface that charges, when practicing thrift manpower resources, reinforcing charging process's stability, the automatic industrial field's of full play advantage reduces electric vehicle's use cost, and electric vehicle's good performance is exerted to the high efficiency, and how more generally the application in market becomes the problem that needs a urgent solution at present.
Disclosure of Invention
In order to overcome the defects of the prior art, the invention aims to provide an automatic charging device which is simple in structure, ensures good charging effect, provides reliable mechanical looseness prevention and improves the connection reliability; and the charging efficiency of the battery can be improved, the safety is high, and the automation level of the equipment is enhanced.
In order to achieve the purpose, the invention adopts the technical scheme that:
the utility model provides an automatic charging device of electric vehicle that can effectively prevent loosing, its structure includes two interfaces, includes the interface A that charges of being connected with electronic dolly battery box and fills the interface B that charges that electric pile power is connected, is accomplished to charge by the cooperation of interface A and B that charges during charging.
Interface A charges includes two parts from top to bottom, and upper portion is the contact female head that charges, and the lower part is guide structure, has rack structure in the guide structure.
Interface B charges includes upper and lower two parts, and the upper portion is the male joint that charges that links to each other with filling electric pile, through the motor of controller control, and the lower part is anti-loosening structure, and this anti-loosening structure includes speed reduction pressure spring, stopper, gear, ratchet, pawl, plectrum, pawl spring.
When charging, the charging interface A slowly enters the charging interface B, and charging is completed through the cooperation of the charging contact male connector and the charging contact female connector. The rack of the charging interface A drives the gear of the charging interface B to rotate, the gear and the ratchet wheel coaxially rotate, the pawl of the ratchet wheel compresses the ratchet wheel through the pawl spring, the gear and the rack are guaranteed to move unidirectionally through the locking arc of the ratchet wheel, and the whole matching process is stable and reliable. When the charging interface A and the charging interface B are matched, the charging interface A and the charging interface B are not loosened, and the contact is ensured to be tight.
The guide structure of the charging interface A is made of cast iron or a material with high hardness.
The anti-loosening structure of the charging interface B is made of rubber or other compressible materials, has certain elasticity, and can restore the original appearance after charging is finished.
The compression spring and the pawl spring in the charging interface B are springs with large damping coefficients and cannot exceed the limit elastic deformation in the matching process. And the initial state is restored immediately after the charging is finished.
Compared with the prior art, the invention has the following beneficial technical effects:
the automatic charging interface disclosed by the invention is composed of a charging interface A matched with an electric vehicle and a charging interface B fixed on a charging pile, the charging can be automatically completed by the electric vehicle, manual control is not needed, the structure is simple, and the installation is convenient. The anti-loosening structure in the charging interface B comprises a gear meshed with a rack inside the guiding structure of the charging interface A, a ratchet coaxially mounted with the gear, a pawl controlling the rotation direction of the ratchet, a poking piece controlling the pawl and a stepping motor coaxially mounted with the poking piece. The full control of the whole charging process can be realized through the mechanisms, the battery life attenuation caused by the overcharge of the vehicle is prevented, and the damage to the whole device caused by overlarge stress caused by position and speed deviation in the moving process is prevented. Meanwhile, the charging state of the battery can be detected through the processor, and the charging time can be controlled at any time.
Furthermore, the limit position of the contact point can be effectively limited by the limit block inside the charging interface B, damage to the whole device due to over-movement is prevented, and safety of the charging process is improved.
Furthermore, the ratchet mechanism in the charging interface B can effectively prevent the interface from loosening in the charging process, and the pawl compresses the ratchet through the pawl spring at the initial stage of charging, so that the whole movement process is unidirectional, and the charging interface A cannot be popped out when the effective charging position is not reached.
Drawings
FIG. 1 is an overall block diagram of the present invention;
FIG. 2 is a top cross-sectional view of the guide structure and the anti-loosening structure of the present invention;
fig. 3 is a front view of the anti-loose structure of the present invention.
Detailed Description
The following further describes embodiments of the present invention with reference to the drawings. It should be noted that the description of the embodiments is provided to help understanding of the present invention, but the present invention is not limited thereto. In addition, the technical features involved in the embodiments of the present invention described below may be combined with each other as long as they do not conflict with each other.
In the description of the present invention, it is to be understood that the terms "central," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," "circumferential," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the invention and to simplify the description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and are therefore not to be considered limiting of the invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.
Referring to fig. 1, the automatic charging device for an electric vehicle capable of preventing looseness effectively includes: the charging interface A2 who is connected with electric trolley battery box 1 with fill the interface B6 that charges that the electric pile power is connected, charge by the cooperation of interface A2 and B6 that charges when charging.
Specifically, with reference to fig. 1, 2 and 3, the charging interface a2 includes an upper portion and a lower portion, and the charging contact is a female contact 3 and a guide structure 4, and the guide structure has a rack structure 10 inside.
This interface B6 charges includes two parts from top to bottom, and upper portion is for the male joint 7 that charges that links to each other with filling electric pile 9, and through the motor 8 of controller control, lower part is locking structure 5, and this locking structure 5 includes speed reduction pressure spring 11, stopper 12, gear 13, ratchet 14, pawl 15, plectrum 16, pawl spring 17.
When charging, the charging interface A slowly enters the charging interface B, and charging is completed through the cooperation of the charging contact male connector and the charging contact female connector. The rack of the charging interface A drives the gear of the charging interface B to rotate, the gear and the ratchet wheel coaxially rotate, the pawl of the ratchet wheel compresses the ratchet wheel through the pawl spring, the gear and the rack are guaranteed to move unidirectionally through the locking arc of the ratchet wheel, and the whole matching process is stable and reliable. When the charging interface A and the charging interface B are matched, the charging interface A and the charging interface B are not loosened, and the contact is ensured to be tight.
In the charging process, the charging pile 9 collects the voltage of the charging port through the voltage collecting function of the charging pile, namely, the open-circuit voltage of the battery and the charging current of the battery are monitored in real time in the charging process.
After charging is finished, when the collected voltage is consistent with the full-charging voltage of the battery, the motor 8 drives the transmission shaft to enable the shifting piece 16 to rotate for a certain angle, the shifting piece 16 lifts the pawl 15 through the self arc, the one-way rotation function of the ratchet wheel 14 is invalid, the electric vehicle is slowly pushed out from the charging position through the elasticity of the compression spring 11, and charging is finished at the moment.
The invention can realize that the charging can be automatically finished by the electric vehicle without manual control, and has simple structure and convenient installation. Guide structure enables electric vehicle and is in on the exact position of charging, utilizes compression spring to decelerate the vehicle during charging, prevents to cause too big stress damage interface and the electric pile that charges, and the extreme position of contact point can effectively be injectd to the stopper, prevents that the motion from to the harm of whole device, has improved the security of charging process. The locking structure who adopts can effectively prevent the not hard up of interface in the charging process through the ratchet, and the pawl compresses tightly the ratchet through the pawl spring at the initial stage that charges for whole motion process is one-way, and when not arriving the effective position that charges, the interface that charges can't pop out. The full control of the whole charging process can be realized through the mechanisms, the battery life attenuation caused by the overcharge of the vehicle is prevented, and the damage to the whole device caused by overlarge stress caused by position and speed deviation in the moving process is prevented. Meanwhile, the charging state of the battery can be detected through the processor, the charging time can be controlled at any time, and the device is simple in structure, ingenious in design and convenient to implement.
The embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited to the described embodiments. It will be apparent to those skilled in the art that various changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, and the scope of protection is still within the scope of the invention.
Claims (7)
1. The utility model provides an electric vehicle automatic charging device that can effectively locking which characterized in that: the structure of the automatic charging device for the electric vehicle comprises two interfaces, wherein the two interfaces comprise a charging interface A connected with a battery box of the electric trolley and a charging interface B connected with a power supply of a charging pile, and the charging is completed by matching the charging interface A and the charging interface B during charging.
2. The automatic charging device for electric vehicle capable of preventing loosening effectively according to claim 1, characterized in that: interface A charges includes two parts from top to bottom, and upper portion is the contact female head that charges, and the lower part is guide structure, has rack structure in the guide structure.
3. The automatic charging device for electric vehicle capable of preventing loosening effectively according to claim 1, characterized in that: interface B charges includes upper and lower two parts, and the upper portion is the male joint that charges that links to each other with filling electric pile, through the motor of controller control, and the lower part is anti-loosening structure, and this anti-loosening structure includes speed reduction pressure spring, stopper, gear, ratchet, pawl, plectrum, pawl spring.
4. The automatic charging device for electric vehicle capable of preventing loosening effectively according to claim 1, characterized in that: the guide structure of the charging interface A is made of cast iron.
5. The automatic charging device for electric vehicle capable of preventing loosening effectively according to claim 1, characterized in that: the anti-loosening structure of the charging interface B is made of rubber, has elasticity, and can restore the original appearance after charging is finished.
6. The automatic charging device for electric vehicle capable of preventing loosening effectively according to claim 1, characterized in that: the compression spring and the pawl spring inside the charging interface B are springs, limit elastic deformation cannot be exceeded in the matching process, and the initial state is immediately recovered after charging is finished.
7. The automatic charging device for electric vehicle capable of preventing loosening effectively according to claim 1, characterized in that: the charging process of the automatic charging device for the electric vehicle comprises the following steps:
the first step is as follows: the charging interface A slowly enters the charging interface B, and charging is completed through the cooperation of the charging contact male connector and the charging contact female connector; the rack of the charging interface A drives the gear of the charging interface B to rotate, the gear and the ratchet wheel coaxially rotate, a pawl of the ratchet wheel tightly presses the ratchet wheel through a pawl spring, and the unidirectional movement of the rack and the gear is ensured through the locking arc of the ratchet wheel;
the second step is that: monitoring the open-circuit voltage of the battery and the charging current of the battery in real time in the charging process;
the third step: when charging is finished, the controller of the charging pile sends a command to the motor, the motor drives the transmission shaft to enable the shifting piece to rotate for a certain angle, the shifting piece lifts the pawl, the one-way rotation function of the ratchet wheel is invalid, the electric vehicle is slowly pushed out from the charging position through the elasticity of the compression spring, and charging is finished at the moment.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010279512.1A CN111422083A (en) | 2020-04-10 | 2020-04-10 | Automatic charging device of electric vehicle capable of effectively preventing looseness |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010279512.1A CN111422083A (en) | 2020-04-10 | 2020-04-10 | Automatic charging device of electric vehicle capable of effectively preventing looseness |
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| CN111422083A true CN111422083A (en) | 2020-07-17 |
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| CN202010279512.1A Pending CN111422083A (en) | 2020-04-10 | 2020-04-10 | Automatic charging device of electric vehicle capable of effectively preventing looseness |
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| CN209870153U (en) * | 2019-04-09 | 2019-12-31 | 美丽(厦门)新能源有限公司 | Fill automatic interfacing apparatus of electric pile |
| CN210179152U (en) * | 2019-05-28 | 2020-03-24 | 宜兴市迈高波纹管有限公司 | Rectangular metal compensator |
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2020
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| JPH06310206A (en) * | 1993-04-19 | 1994-11-04 | Sumitomo Wiring Syst Ltd | Fitting device of charging connector in electric vehicle |
| US5676560A (en) * | 1994-12-01 | 1997-10-14 | Yazaki Corporation | Powder feed connector |
| CN201166246Y (en) * | 2008-01-24 | 2008-12-17 | 胡东伟 | Telescopic brace rod |
| WO2012013181A2 (en) * | 2010-07-28 | 2012-02-02 | Kiekert Aktiengesellschaft | Charging device for an electric vehicle and method |
| CN204581379U (en) * | 2014-11-13 | 2015-08-26 | 重庆联佰博超医疗器械有限公司 | Clamping and self-locking mechanism and Circumcision suturing device |
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Application publication date: 20200717 |
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| RJ01 | Rejection of invention patent application after publication |