CN212889949U - Intelligent charging controller for electric vehicle - Google Patents
Intelligent charging controller for electric vehicle Download PDFInfo
- Publication number
- CN212889949U CN212889949U CN202021843500.9U CN202021843500U CN212889949U CN 212889949 U CN212889949 U CN 212889949U CN 202021843500 U CN202021843500 U CN 202021843500U CN 212889949 U CN212889949 U CN 212889949U
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- relay
- direct current
- direct
- current voltage
- charger
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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
- Y02T10/60—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
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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
- 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
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- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
The utility model discloses an intelligent charging controller for an electric vehicle, which belongs to the field of charging control and comprises a charger and a direct current transformer, wherein the output end of the charger is connected with the input end of the direct current transformer in parallel and then is connected with a storage battery; the output contact of the relay b is normally open, the output contact of the relay b is also connected with a reset starting switch in parallel, and when the reset starting switch is closed, both the charger and the direct current transformer can be connected with the storage battery; the direct-current voltage control relay is characterized by further comprising a direct-current voltage control relay, the input end of the direct-current voltage control relay is connected with the output end of a direct-current transformer, an alternating current is connected with the output end of the direct-current voltage control relay and then is respectively connected with the input contact of the relay b and the input end of the charger, a direct-current voltage detection line is connected onto the direct-current voltage control relay, and the direct-current voltage detection line is connected with a storage battery after passing through the output contact of the relay b to detect.
Description
Technical Field
The utility model relates to a charge control field, concretely relates to electric motor car intelligent charging controller.
Background
The electric vehicle charger is a charging device specially configured for the storage battery of the electric bicycle, and most products in the current market cannot meet the function of full-charge automatic power-off, so that the storage battery is damaged.
Although some patents provide a structure for automatically powering off after full charge, which avoids the damage to the charger and the storage battery caused by charging all the time, the charging process is usually that one end of the two ends of the charger is connected with alternating current, the other end of the two ends of the charger is connected with the storage battery for charging, and the current power-off switch is usually arranged at a position close to the alternating current, so that the direct current of the storage battery flows back.
In view of the problem that above-mentioned prior art exists, the utility model discloses combine many years's of design and experience of use in relevant field, assist too strong professional knowledge, the design has made an electric motor car intelligent charging controller, overcomes above-mentioned defect.
SUMMERY OF THE UTILITY MODEL
To the problem that exists among the prior art, the utility model provides a pair of electric motor car intelligent charging controller has realized the effect of outage simultaneously in charger both ends, has avoided storage battery direct current return loss.
In order to realize the purpose, the utility model discloses a technical scheme as follows: an intelligent charging controller of an electric vehicle comprises a charger and a direct current transformer, wherein the output end of the charger is connected with a storage battery after being connected with the input end of the direct current transformer in parallel;
the output contact of the relay b is normally open, the output contact of the relay b is also connected with a reset starting switch in parallel, and when the reset starting switch is closed, both the charger and the direct current transformer can be connected with the storage battery;
still include relay a, relay a establishes to direct current voltage control relay, direct current voltage control relay's input is connected the direct current transformer output, the alternating current with direct current voltage control relay's output is connected the back subdividing and is connected relay b's input contact with the input of charger respectively, be connected with the direct current voltage detection line on the direct current voltage control relay, the direct current voltage detection line process behind relay b's the output contact with storage battery connects and detects storage battery voltage.
Preferably, the storage battery can be suitable for 36V-72V.
Preferably, the direct current transformer is 36V-72V to 12V.
Preferably, the direct voltage detection line can detect 0-100V.
Preferably, the dc voltage control relay may adjust a voltage detected by the dc voltage detection line.
The utility model discloses an useful part lies in:
(1) the utility model discloses an automatic cut off charger both ends circuit not only avoids alternating current to the damage of charger, has avoided the backward flow of storage battery direct current simultaneously, and not only the power saving has still had the security, has protected the storage battery simultaneously.
(2) The utility model discloses a relay b and relay a's mutual feedback has realized quick feedback and synchronous control around charging, simple structure, and control is convenient, and alternating current, direct current synchronous outage effect are outstanding.
(3) The utility model discloses adopt present former device completely, need not the circuit board structure, the cost of manufacture is low, and adaptation environment is strong, wide voltage, and the heavy current is fit for most electric motor cars on the market.
Drawings
Fig. 1 is a schematic diagram of an intelligent charging controller for an electric vehicle.
In the figure: 1-alternating current, 2-charger, 3-storage battery, 4-relay a, 5-direct current voltage detection line, 6-relay b, 7-output contact of relay b, 8-reset starting switch, 9-direct current transformer.
Detailed Description
In order to facilitate understanding for those skilled in the art, the present invention will be further described with reference to the accompanying drawings.
As shown in fig. 1, an intelligent charging controller for an electric vehicle comprises a charger 2 and a dc transformer 9, wherein the output end of the charger 2 is connected in parallel with the input end of the dc transformer 9 and then connected with a battery 3, and the battery 3 is charged after the ac 1 is connected with the charger 2, and the battery 3 of the utility model can provide current with corresponding voltage for the dc transformer 9;
the charger is characterized by further comprising a relay b6, the output contact 7 of the relay b is connected with the storage battery 3, the output contact 7 of the relay b is normally open, so that the output contact 7 of the relay b can cut off the connection between the charger 2 and the storage battery 3 and the connection between the DC transformer 9 and the storage battery 3, the output contact 7 of the relay b is also connected with a reset starting switch 8 in parallel, the reset starting switch 8 needs to be manually closed, and when the reset starting switch 8 is closed, the charger 2 and the DC transformer 9 can be connected with the storage battery 3;
the utility model discloses still include relay a4, relay a4 establishes to direct current voltage control relay, the preferred H56 relay that provides with the source science and technology limited company of zheng zhou sea, direct current transformer 9 output is connected to this direct current voltage control relay's input, relay b 6's input contact and charger 2's input are connected respectively to alternating current 1 and the output of direct current voltage control relay's the back subdividing, be connected with direct current voltage detection line 5 on the direct current voltage control relay, direct current voltage detection line 5 is connected with storage battery 3 behind relay b's output contact 7 and is detected storage battery 3 voltage.
The utility model discloses storage battery 3 can be applicable to 36V-72V, and direct current transformer 9 changes 12V for 36V-72V, and direct current voltage detection line 5 detectable is 0-100V. Meanwhile, the direct-current voltage control relay can adjust the voltage detected by the direct-current voltage detection line 5.
The utility model discloses a concrete working process:
the reset starting switch is pressed for 3-5 seconds to enable the battery 3 to be communicated with the direct current transformer 9, so that the battery 3 can supply power to the direct current transformer 9, the direct current transformer 9 outputs corresponding voltage to supply power to the relay a4, the relay a4 works, the direct current voltage detection line 5 detects the voltage of the battery 3, when the detected voltage is smaller than the lower limit voltage set by the relay a4, the output end of the direct current voltage control relay is closed, at the moment, the alternating current 1 supplies power to the relay b6, the output contact 7 of the relay b is attracted and contacted, the reset starting switch 8 can be loosened, and then the alternating current 1 charges the battery 3 through the charger 2;
when the detection voltage is greater than the upper limit voltage set by the relay a4, it indicates that the battery 3 is fully charged at this moment, the output end of the direct-current voltage control relay is disconnected, the alternating current 1 cannot continue to charge the battery 3 through the charger 2 at this moment, and simultaneously, the alternating current 1 cannot supply power for the relay b6, the output contact 7 of the relay b is disconnected, therefore, the alternating current 1 and the direct current at the two ends of the charger 2 are disconnected simultaneously, the damage of the alternating current 1 to the charger 2 is avoided, the backflow of the direct current of the battery 3 is avoided simultaneously, and the power saving also has safety.
It should be understood that these examples are for illustrative purposes only and are not intended to limit the scope of the present invention. Furthermore, it should be understood that various changes, modifications and/or alterations to the present invention may be made by those skilled in the art after reading the technical disclosure of the present invention, and all such equivalents may fall within the scope of the present invention as defined by the appended claims.
Claims (5)
1. The utility model provides an electric motor car intelligent charging controller which characterized in that: the charger comprises a charger and a direct current transformer, wherein the output end of the charger is connected with a storage battery after being connected with the input end of the direct current transformer in parallel;
the output contact of the relay b is normally open, the output contact of the relay b is also connected with a reset starting switch in parallel, and when the reset starting switch is closed, both the charger and the direct current transformer can be connected with the storage battery;
still include relay a, relay a establishes to direct current voltage control relay, direct current voltage control relay's input is connected the direct current transformer output, the alternating current with direct current voltage control relay's output is connected the back subdividing and is connected relay b's input contact with the input of charger respectively, be connected with the direct current voltage detection line on the direct current voltage control relay, the direct current voltage detection line process behind relay b's the output contact with storage battery connects and detects storage battery voltage.
2. The intelligent charging controller for electric vehicles according to claim 1, characterized in that: the storage battery can be suitable for 36V-72V.
3. The intelligent charging controller for electric vehicles according to claim 1, characterized in that: the direct current transformer is changed from 36V to 72V to 12V.
4. The intelligent charging controller for electric vehicles according to claim 1, characterized in that: the direct current voltage detection line can detect 0-100V.
5. The intelligent charging controller for electric vehicles according to claim 1, characterized in that: the direct-current voltage control relay can adjust the voltage detected by the direct-current voltage detection line.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021843500.9U CN212889949U (en) | 2020-08-29 | 2020-08-29 | Intelligent charging controller for electric vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021843500.9U CN212889949U (en) | 2020-08-29 | 2020-08-29 | Intelligent charging controller for electric vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212889949U true CN212889949U (en) | 2021-04-06 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021843500.9U Active CN212889949U (en) | 2020-08-29 | 2020-08-29 | Intelligent charging controller for electric vehicle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212889949U (en) |
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2020
- 2020-08-29 CN CN202021843500.9U patent/CN212889949U/en active Active
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