CN210821851U - Charging protection circuit of electric vehicle - Google Patents
Charging protection circuit of electric vehicle Download PDFInfo
- Publication number
- CN210821851U CN210821851U CN201921412552.8U CN201921412552U CN210821851U CN 210821851 U CN210821851 U CN 210821851U CN 201921412552 U CN201921412552 U CN 201921412552U CN 210821851 U CN210821851 U CN 210821851U
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- Prior art keywords
- circuit
- timing
- charging circuit
- charging
- remote control
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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
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/72—Electric energy management in electromobility
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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
- Y02T90/14—Plug-in 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
- 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
- Y02T90/16—Information or communication technologies improving the operation of electric vehicles
- Y02T90/167—Systems integrating technologies related to power network operation and communication or information technologies for supporting the interoperability of electric or hybrid vehicles, i.e. smartgrids as interface for battery charging of electric vehicles [EV] or hybrid vehicles [HEV]
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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
- Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
- Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
- Y04S30/00—Systems supporting specific end-user applications in the sector of transportation
- Y04S30/10—Systems supporting the interoperability of electric or hybrid vehicles
- Y04S30/12—Remote or cooperative charging
Landscapes
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
The utility model discloses an electric vehicle charging protection circuit, which comprises a timing charging circuit and an encryption remote control circuit, wherein the input end of the timing charging circuit is connected with 220V alternating current, the output end of the timing charging circuit is connected with a charging adapter wiring socket of an electric vehicle, when in use, the encryption remote control circuit is matched with the encryption remote control circuit to open a switch K, the encryption remote control circuit carries out internal coding through a coding element PT2262, the encryption remote control circuit corresponds to the decoder information of the timing charging circuit, when the timing charging circuit is opened, the power can be supplied to an electric vehicle charger to charge a storage battery in the vehicle, the power is automatically cut off after the time is set by a timing module, an automatic over-current and short-circuit protection device is arranged in the timing charging circuit, the charging circuit comprises a voltage stabilizing tube resistor connected in parallel, a capacitor for blocking and buffering transient voltage, the current is limited by bridge type rectifying current, when the, thereby make the charging circuit can protect, practical convenient.
Description
Technical Field
The utility model relates to a battery charging technology field, concretely relates to electric motor car charging protection circuit with encrypt remote control and open regularly outage function.
Background
Keep not leaving electric bicycle among the modern vehicle, as the traffic methods that the daily trip of resident of society generally adopted nowadays, electric bicycle is practical convenient, only use the battery alright with dozens of kilometers of riding, the environmental protection is practical, but current electric motor car problem of charging still exists, including the battery overcharge, old battery last ageing, be full of the electric lengthening consuming time, the battery generates heat, arouse conflagration scheduling problem even, so need design the protection device that the electric motor car charges, current protection device that charges has following several kinds:
(1) the device has a timed power-off function;
(2) the timing time is adjusted by a user during each work;
(3) the plug wire is connected with a power supply.
However, the charge protection function of the electric vehicle needs to be further improved.
SUMMERY OF THE UTILITY MODEL
The utility model discloses the purpose: in order to solve the problem of overcharging of an electric bicycle or a tricycle, prolong the service life of a storage battery, solve the problems of prolonged charging time and battery heating of an old electric bicycle, prevent overheating and fire, and avoid power supply facility and line faults caused by damage of a charger and the storage battery, a charging protection circuit of the electric bicycle is designed, and a prepared charging protection device is special for a specially-assigned person and is started by an encryption remote controller to prevent the electric bicycle or the tricycle from being used by an unauthorized person.
The technical scheme adopted for solving the problems is as follows:
a charging protection circuit of an electric vehicle comprises a timing charging circuit and an encryption remote control circuit,
the input end of the timing charging circuit is connected with 220V alternating current, the output end of the timing charging circuit is connected with a charging adapter wiring socket of the electric vehicle, when the timing charging circuit is used, the timing charging circuit is matched with the encryption remote control circuit to start a switch K, the encryption remote control circuit carries out internal coding through a coding element PT2262 and corresponds to the decoder information of the timing charging circuit,
the timing charging circuit is internally provided with an automatic overcurrent and short-circuit protection circuit, a timing module and a signal receiving antenna, the automatic overcurrent and short-circuit protection circuit comprises a voltage stabilizing tube resistor and a capacitor for blocking and buffering transient voltage, and current guidance is limited through bridge rectification current.
The timing charging circuit can supply power to the electric vehicle charger after being started to charge the storage battery in the vehicle, the timing module is used for setting time and then automatically cutting off the power, and the time is set to be full charge time in advance according to storage battery parameters, so that the storage battery is effectively prevented from being overcharged.
The utility model has the advantages that: this electric motor car protection circuit that charges can prolong electric motor car battery life, avoids the battery charging problem of generating heat, prevents the emergence on fire of overheated, prevents that the charging line from receiving the short circuit or overflowing the harm of trouble, prevents that unauthorized person from using this device to charge for the electric motor car, and is practical convenient.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly described below.
FIG. 1 is a schematic diagram of a timer charging circuit according to the present embodiment;
fig. 2 is a schematic diagram of the encryption remote control circuit according to the embodiment.
Detailed Description
The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention.
Referring to fig. 1-2, the present embodiment provides a charging protection circuit for an electric vehicle, which includes a timing charging circuit and an encryption remote control circuit.
One end of the timing charging circuit is connected with an alternating current 220V circuit, and the other end of the timing charging circuit is connected with an electric vehicle charger.
When the device is used, the switch K of the encryption remote control circuit is pressed, the timing charging circuit is started, the encryption remote control circuit can use an internal coding switch, codes are set through PT2262, the codes correspond to the information of a decoder 2272M6 in the timing charging circuit, the codes cannot be used universally, and the codes do not interfere with each other when being used by a plurality of centralized users, namely, the device is prevented from being used by unauthorized people for charging the electric vehicle.
After receiving a starting instruction, the timing charging circuit receiving antenna inputs the starting instruction into a decoder 2272M6 through data processing, when the timing charging circuit receiving antenna is consistent with the code of the encryption remote control circuit, the timing charging circuit is considered to be effective, the relay is driven to suck through a switch triode, a 220V power supply is output to a three-hole socket through self-recovery safety, a charger connected to the socket is powered on, the charging circuit is charged for an electric vehicle, and the charging circuit is prevented from being damaged by short circuit or overcurrent faults.
The timing module is connected in series in the relay loop, and the relay is disconnected after the set time is reached, so that the charging power supply is disconnected. The off time of the timing module can be adjusted from 1.5h to 24h according to the charging parameters of the storage battery.
When the charger or the storage battery has faults, the charging current is increased, and when the charging current is larger than the set current of the self-recovery fuse connected to the output socket of the timing charging circuit, the self-recovery fuse automatically cuts off the power supply, so that the charging circuit is protected from being damaged. When the charger or the storage battery with faults is disconnected, the circuit automatically restores power supply, the problem of heating of the storage battery during charging is avoided, and overheating and fire are prevented.
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 above embodiments, and various changes, modifications, substitutions and alterations can be made without departing from the spirit of the present invention within the knowledge of those skilled in the art, and the scope of the present invention is defined by the appended claims and their equivalents.
Claims (2)
1. The utility model provides an electric motor car protection circuit that charges, includes regularly charging circuit and encryption remote control circuit, its characterized in that:
one end of the timing charging circuit is connected with an alternating current 220V circuit, the other end is connected with an electric vehicle charger,
the timing charging circuit is internally provided with an automatic overcurrent and short-circuit protection circuit, a timing module, a signal receiving antenna, a voltage stabilizing tube resistor and a capacitor for blocking and buffering transient voltage in parallel, current guide is limited by bridge rectification current, when the charger or the storage battery has a fault and causes overlarge current, the automatic overcurrent and short-circuit protection circuit can cut off the connection between the circuit and the charger, so that the charging circuit is protected until the connection between the charger with the fault and the timing charging circuit is cut off, power supply is recovered,
when in use, the switch K of the encryption remote control circuit is pressed to start the timing charging circuit, the encryption remote control circuit can use an internal coding switch to code through a coding element PT2262, the coding corresponds to the information of a decoder 2272M6 in the timing charging circuit, the coding and the timing charging circuit are not universal, and the coding and the timing charging circuit are not interfered with each other when being centralized to be used by a plurality of users,
the timing charging circuit receives the starting-up command from the antenna, inputs the command into the decoder 2272M6 through data processing, and when the command is consistent with the code of the encryption remote control circuit, the command is regarded as valid, the relay is driven to suck through the switching triode, the 220V power supply is output to the three-hole socket through the self-recovery safety, the charger connected with the socket is electrified to charge the electric vehicle,
when the charger or the storage battery is in fault, the charging current is increased, when the charging current is larger than the set current of the self-recovery fuse connected to the output socket of the timing charging circuit, the self-recovery fuse automatically cuts off the power supply, and the circuit automatically recovers the power supply only when the charger or the storage battery with the fault is disconnected.
2. The charging protection circuit for electric vehicles according to claim 1, wherein: the timing module is connected in the relay loop in series, the relay is disconnected after the set time is reached, so that the charging power supply is disconnected, and the disconnection time of the timing module can be adjusted from 1.5h to 24h according to the charging parameters of the storage battery.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921412552.8U CN210821851U (en) | 2019-08-28 | 2019-08-28 | Charging protection circuit of electric vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921412552.8U CN210821851U (en) | 2019-08-28 | 2019-08-28 | Charging protection circuit of electric vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210821851U true CN210821851U (en) | 2020-06-23 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921412552.8U Active CN210821851U (en) | 2019-08-28 | 2019-08-28 | Charging protection circuit of electric vehicle |
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| Country | Link |
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| CN (1) | CN210821851U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111907626A (en) * | 2020-08-11 | 2020-11-10 | 南通大学 | Electric bicycle fire alarm system |
-
2019
- 2019-08-28 CN CN201921412552.8U patent/CN210821851U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111907626A (en) * | 2020-08-11 | 2020-11-10 | 南通大学 | Electric bicycle fire alarm system |
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