CN112060942A - Prevent regularly charging system of electric motor car charging mouth short circuit - Google Patents
Prevent regularly charging system of electric motor car charging mouth short circuit Download PDFInfo
- Publication number
- CN112060942A CN112060942A CN201910502125.7A CN201910502125A CN112060942A CN 112060942 A CN112060942 A CN 112060942A CN 201910502125 A CN201910502125 A CN 201910502125A CN 112060942 A CN112060942 A CN 112060942A
- Authority
- CN
- China
- Prior art keywords
- voltage
- battery
- electric vehicle
- charging
- charger
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000001514 detection method Methods 0.000 claims description 9
- 238000000034 method Methods 0.000 claims description 6
- 230000003213 activating effect Effects 0.000 claims description 5
- 239000003990 capacitor Substances 0.000 claims description 5
- 238000010586 diagram Methods 0.000 claims description 5
- 238000011084 recovery Methods 0.000 claims description 5
- 230000006870 function Effects 0.000 claims description 4
- 238000004891 communication Methods 0.000 claims description 3
- 238000005259 measurement Methods 0.000 claims description 2
- 230000002265 prevention Effects 0.000 claims description 2
- 230000001012 protector Effects 0.000 claims 1
- 230000005611 electricity Effects 0.000 abstract 1
- 230000002035 prolonged effect Effects 0.000 abstract 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract 1
- 230000007613 environmental effect Effects 0.000 description 1
Images
Classifications
-
- 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
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/0029—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with safety or protection devices or circuits
-
- 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
- Y02T90/14—Plug-in electric vehicles
Landscapes
- 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 relates to a timing charging system for preventing a charging port of an electric vehicle from being short-circuited, which is used on an electric two-wheel vehicle, an electric three-wheel vehicle and an electric four-wheel vehicle and is used for protecting a battery when the electric vehicle is charged and preventing the short-circuit of the charging port when the electric vehicle is not charged. The invention can ensure that the electric vehicle is safer (the charging port is short-circuited and has no spark), more environment-friendly (the overcharging is prevented, the electric charge is saved, the fire is reduced), and the service life of the battery of the electric vehicle is longer (the water loss speed of the battery is effectively reduced, and the service life of the battery is effectively prolonged). The invention can effectively improve the unreasonable data of the charger and effectively avoid the problem of the service life of the battery terminating caused by the out-of-control of the charger, the fault of the charger, the wrong charger and the overtime charging; the battery is protected, the electricity charge is saved, the fire hazard is reduced, no spark is generated, short circuit is prevented, the safety of children is ensured, and the old people are relieved.
Description
Technical Field
The invention relates to a timing charging system for preventing a charging port of an electric vehicle from being short-circuited, and belongs to the field of safety, environmental protection and intelligent control of electric vehicles.
Background
The prior known electric vehicle does not have a good timing charging device for preventing the short circuit of a charging port of the electric vehicle; the danger that the children touch the charging port of the electric vehicle accidentally to cause short circuit and burn can not be effectively solved.
Disclosure of Invention
In order to ensure that the electric vehicle is safer, more environment-friendly and more intelligent, the service life of the electric vehicle is longer, and the occurrence of burn of children is reduced; the invention provides a timing charging system for preventing a charging port of an electric vehicle from being short-circuited, which effectively solves the problems that the electric vehicle comprises: the problem of overtime charging effectively prolongs the service life of the whole electric vehicle; preventing the occurrence of burn accidents of children.
The method for solving the technical problem comprises the following steps: a waterproof circuit board protection box, protection box outside has the connecting wire, and the connecting wire has:
1 a battery temperature sensor line for measuring a battery temperature;
3, connecting the positive pole of the battery;
4, connecting a battery cathode;
5, a charging port positive connecting wire; the positive electrode of the charging port is connected to the positive electrode of the battery through the invention;
there is the circuit board in the protection box, has on the circuit board:
1, a voltage reduction power supply circuit is arranged for supplying power to the integrated circuit;
2, a circuit board temperature acquisition circuit is arranged to protect the circuit board from safe operation;
a battery temperature acquisition circuit is arranged for acquiring the temperature of the battery to prevent over-temperature charging;
4, a battery voltage acquisition circuit is arranged for acquiring the battery voltage to prevent over-voltage charging;
5, a relay control circuit is arranged for controlling the on-off control of the relay of the charging circuit;
6, the singlechip is a singlechip with A/D and can directly detect analog quantity;
7, a charging circuit on-off control circuit is arranged for controlling the on-off state of the charging circuit;
8 there is a circuit to activate the non-voltage charger;
and 9, a charging port voltage acquisition circuit is arranged.
Drawings
Fig. 1 is a simplified anatomical diagram of the present invention.
Fig. 2 is a schematic diagram of the present invention.
Fig. 3 is a power supply diagram of the present invention, which is not illustrated.
Fig. 4 is a drawing for explaining the abstract of the invention.
The method is implemented.
In the context of figure 1 of the drawings,
1 a casing for protecting the integrated circuit and the leads on the circuit board in the case;
2 a circuit board (PCB) connected to the integrated circuit, to the electronic component and to the outgoing line within the housing;
3, a power circuit connected with the circuit board to provide power for the equipment;
4 a circuit board (PCB) connected to the integrated circuit, to the electronic component and to the outgoing line within the housing;
a single chip microcomputer of the central processing unit, which is connected with the circuit of the area 6 in the PCB integrated circuit figure 2 in the shell and is used for processing and controlling signals;
6, upgrading the communication port, connecting with the circuit board;
7 circuit board connected to the integrated circuit, to the electronic component and to the outgoing line;
the 8 relay is connected with the circuit of the 5 area and the circuit of the 7 area in the PCB integrated circuit in the shell 2;
a circuit board (PCB) connected to the integrated circuit, to the electronic component, and to the lead-out wire within the housing;
10 circuit board lead connecting holes connected with the leads;
11 positive electrode wire connected with the positive electrode of the battery of the electric vehicle, and the other end connected with the + of the 7 area in the PCB integrated circuit figure 2 in the shell;
12 charging port positive electrode wire connected with the charging port positive electrode of the electric vehicle, and the other end of the charging port positive electrode wire is connected with the L in the 7 area of the PCB integrated circuit in the shell in figure 2;
13 negative pole line connected to the negative pole of the electric vehicle and connected to the ground of area 7 in the PCB IC 2 in the casing;
14 a temperature sensor fixing frame for measuring the temperature of the battery, which is connected with the temperature sensor shell;
15 temperature sensor connected with temperature sensor connecting lines 16 and 17;
16 temperature sensor connecting wires, one end of which is connected with the temperature sensor and the other end of which is connected with the circuit of the area 3 in the PCB integrated circuit figure 2 in the shell;
17 temperature sensor connecting wires, one end of each temperature sensor connecting wire is connected with the other end of each temperature sensor, and the other end of each temperature sensor connecting wire is connected with a circuit in a 3-region of a PCB integrated circuit in the shell in a figure 2;
in the context of figure 2, it is shown,
the 3 area is a battery temperature measuring circuit, VCC is connected with the ground through 1 divider resistor, 2 divider resistors and 3 external thermistors, and a pin P3 of the singlechip is connected between the 1 divider resistor and the 2 divider resistors; when the temperature of the battery changes, the external thermistor 3 also changes, the voltage value of the pin P3 of the single chip microcomputer changes along with the change of the external thermistor 3, and the single chip microcomputer measures the temperature of the battery through the pin P3;
a pin diagram of a 6-zone singlechip, wherein the singlechip is a 16-pin singlechip with multiple paths of A/D (analog/digital), and the singlechip stores and operates a control program; 7 main circuit: l is connected with the positive electrode of the charging port, N is connected with the negative electrode of the charging port and the negative electrode of the battery, and + is connected with the positive electrode of the battery of the electric vehicle; the charging port positive pole L is connected with the positive pole + of the battery through a relay normally open contact 1, the charging port positive pole L is connected with the positive pole + of the battery through a thermistor 2 (a 72V30MA self-recovery fuse PTC positive temperature coefficient thermistor), and a micro-current signal is used for activating a national standard electric vehicle charger with 0 voltage output; when the national standard electric vehicle charger with 0 voltage output activates the charger, the analog quantity of the 8 region is the charger voltage analog quantity;
8 district electric motor car charge mouthful voltage detection circuit: l is connected with GND through divider resistors 1 and 2, analog quantity with corresponding proportion obtained between the resistor 1 and the resistor 2 is connected with a singlechip P9 through a filter capacitor 3, and the singlechip measures the voltage of the charging port of the electric vehicle through a pin P9;
when charging is started under reasonable circumstances:
the electric vehicle charger is inserted into the charging port to carry out normal charging, and as the electric vehicle charger has the function of activating the 0-voltage charger, all the chargers are inserted into the charging port to output voltage, and the voltage of the charging port is higher than the voltage of the battery at the moment; the singlechip can detect that the charger is inserted through the comparison of the P4 pin analog quantity in the 4 area and the P9 pin analog quantity in the 8 area; when the single chip microcomputer detects that the analog quantity of the P9 pin in the 8 zone is larger than the analog quantity of the P4 pin in the 4 zone, the charging state is started;
the method comprises the following steps that a single chip microcomputer starts and times to default at 12 hours (10 hours, 11 hours and the like can be customized according to requirements; the single chip microcomputer automatically detects the residual electric quantity of an electric vehicle through P4 foot analog quantity in a 4 area, and automatically detects the temperature for starting and charging the battery of the electric vehicle through P3 foot analog quantity in a 3 area; the single chip microcomputer controls a transistor 1 in a 5 area through a P7 foot, the transistor 1 controls a relay coil to attract and contact with the transistor 3, the relay contact 1 in the figure 2 is conducted (+ and L are conducted), and the charger starts charging the battery (at the moment, the charging speed is detected, the previous residual electric quantity is added, and the detection of spring, summer, autumn and winter is automatically carried out artificial intelligent operation timing time, the intelligent time is changed along with the change of the charging speed;
the charger state detection is carried out during the charging process, and the shutdown state is entered when the charger cannot be detected or the timing is reached; the single chip microcomputer in the shutdown state controls the 1 transistor in the 5 area through a P7 pin, the 1 transistor controls the 3 relay coil to release, the 1 relay contact in the figure 2 is disconnected (+ and L are conducted irregularly, and the short-circuit prevention function is obtained through self-recovery safety conduction), and at the moment, any charger cannot carry out conventional charging on the battery of the electric vehicle again (the electric vehicle is prevented from being charged repeatedly due to memory reduction of the old);
the power-off state needs to be recharged and needs to be ridden normally, the single chip microcomputer is ridden through a P4 foot and detected, and the charger is detected to be in place after the single chip microcomputer detects that the charger is in place, so that the charging mode can be started to circulate.
Claims (9)
1. The invention relates to a timing charging system for preventing short circuit of a charging port of an electric vehicle, which is characterized by comprising a waterproof circuit board protection box, wherein a connecting wire is arranged outside the protection box, and the connecting wire comprises:
1 battery temperature sensor line;
2 a temperature sensor for measuring the temperature of the battery;
3, connecting the positive pole of the battery or the positive pole of the power supply of the electric vehicle;
4, connecting wires for the negative electrode of the battery or the negative electrode of the power supply of the electric vehicle;
and 5, connecting the positive pole of the charging port to the positive pole of the battery or the positive pole of the power supply of the electric vehicle.
2. The invention relates to a timing charging system for preventing a charging port of an electric vehicle from being short-circuited, which is characterized in that: there is the circuit board in the protection box, and the circuit board has 8 districts to be respectively:
in the context of figure 2, it is shown,
zone 1 power supply circuit: the cathode input 1 of the power module is connected with the cathode of the battery, the anode input 2 of the power module is connected with the anode of the battery, the cathode output 3 of the power module is grounded, and the anode 5V output 4 of the power module is connected with the VCC of the integrated circuit;
zone 2 is a circuit board temperature detection circuit: VCC is connected with the ground through a 1 voltage dividing resistor and a 2 thermistor, and the singlechip P1 is connected between the 1 voltage dividing resistor and the 2 thermistor; when the temperature of the circuit board changes, the value of the 2 thermistor also changes, the voltage value of the P1 pin of the single chip microcomputer changes along with the change of the 2 thermistor value, and the single chip microcomputer measures the temperature of the circuit board through the P1 pin;
the 3 area is a battery temperature measuring circuit, VCC is connected with the ground through 1 divider resistor, 2 divider resistors and 3 external thermistors, and a pin P3 of the singlechip is connected between the 1 divider resistor and the 2 divider resistors; when the temperature of the battery changes, the external thermistor 3 also changes, the voltage value of the pin P3 of the single chip microcomputer changes along with the change of the external thermistor 3, and the single chip microcomputer measures the temperature of the battery through the pin P3;
zone 4 is a battery voltage measurement circuit: the anode of the battery is connected with the ground through a 1 voltage-dividing resistor and a 2 voltage-dividing resistor, a 3 filter capacitor is connected with the 2 voltage-dividing resistor in parallel, and the singlechip P4 is connected with the voltage-dividing resistors 1 and 2; when the voltage of the battery changes, the voltage of the single chip microcomputer P4 also changes, and the single chip microcomputer measures the voltage of the battery through a P4 pin;
zone 5 is the relay drive zone: the emitter of the 1PNP transistor is connected with VCC, the base of the 1PNP transistor is connected with P7 pin of the single chip microcomputer through the 2 current-limiting resistor, the collector of the 1PNP transistor is connected with the ground through the 3 relay coil, and the 4 voltage-relief diode is connected with the 3 relay coil in parallel; the state of the relay coil is controlled by a pin P7 of the singlechip through a 2 current-limiting resistor by controlling a 1PNP transistor;
a pin diagram of a 6-zone singlechip, wherein the singlechip is a 16-pin singlechip with multiple paths of A/D (analog/digital), and the singlechip stores and operates a control program;
7 main circuit: l is connected with the positive electrode of the charging port, N is connected with the negative electrode of the charging port and the negative electrode of the battery, and + is connected with the positive electrode of the battery of the electric vehicle; the charging port positive pole L is connected with the positive pole + of the battery through a relay normally open contact 1, the charging port positive pole L is connected with the positive pole + of the battery through a thermistor 2 (a 72V30MA self-recovery fuse PTC positive temperature coefficient thermistor), and a micro-current signal is used for activating a national standard electric vehicle charger with 0 voltage output; when the national standard electric vehicle charger with 0 voltage output activates the charger, the analog quantity of the 8 region is the charger voltage analog quantity;
8 district electric motor car charge mouthful voltage detection circuit: l is connected with GND through divider resistors 1 and 2, analog quantity with corresponding proportion obtained between the resistor 1 and the resistor 2 is connected with a singlechip P9 through a filter capacitor 3, and the singlechip measures the voltage of the charging port of the electric vehicle through a pin P9;
when charging is started under reasonable circumstances:
the electric vehicle charger is inserted into the charging port to carry out normal charging, and as the electric vehicle charger has the function of activating the 0-voltage charger, all the chargers are inserted into the charging port to output voltage, and the voltage of the charging port is higher than the voltage of the battery at the moment; the singlechip can detect that the charger is inserted through the comparison of the P4 pin analog quantity in the 4 area and the P9 pin analog quantity in the 8 area; when the single chip microcomputer detects that the analog quantity of the P9 pin in the 8 zone is larger than the analog quantity of the P4 pin in the 4 zone, the charging state is started;
the method comprises the following steps that a single chip microcomputer starts and times to default at 12 hours (10 hours, 11 hours and the like can be customized according to requirements; the single chip microcomputer automatically detects the residual electric quantity of an electric vehicle through P4 foot analog quantity in a 4 area, and automatically detects the temperature for starting and charging the battery of the electric vehicle through P3 foot analog quantity in a 3 area; the single chip microcomputer controls a transistor 1 in a 5 area through a P7 foot, the transistor 1 controls a relay coil to attract and contact with the transistor 3, the relay contact 1 in the figure 2 is conducted (+ and L are conducted), and the charger starts charging the battery (at the moment, the charging speed is detected, the previous residual electric quantity is added, and the detection of spring, summer, autumn and winter is automatically carried out artificial intelligent operation timing time, the intelligent time is changed along with the change of the charging speed;
the charger state detection is carried out during the charging process, and the shutdown state is entered when the charger cannot be detected or the timing is reached; the single chip microcomputer in the shutdown state controls the 1 transistor in the 5 area through a P7 pin, the 1 transistor controls the 3 relay coil to release, the 1 relay contact in the figure 2 is disconnected (+ and L are conducted irregularly, and the short-circuit prevention function is obtained through self-recovery safety conduction), and at the moment, any charger cannot carry out conventional charging on the battery of the electric vehicle again (the electric vehicle is prevented from being charged repeatedly due to memory reduction of the old);
the power-off state needs to be recharged and needs to be ridden normally, the single chip microcomputer is ridden through a P4 foot and detected, and the charger is detected to be in place after the single chip microcomputer detects that the charger is in place, so that the charging mode can be started to circulate.
3. A timed charging system to prevent short-circuiting of the charging port of an electric vehicle as claimed in claims 1 and 2, characterized in that the positive electrode L of the charging port of zone 7 of fig. 2 is connected to the positive electrode + of the battery via a 2 thermistor (72V30MA self-recovery fuse PTC thermistor), and the microcurrent signal is used to activate a national standard electric vehicle charger with a 0-voltage output; the analog quantity in the area 8 of fig. 2 is the charger voltage analog quantity after the international electric vehicle charger with 0 voltage output activates the charger.
4. A timed charging system to prevent short circuiting of the charging port of an electric vehicle as claimed in claim 3, including a thermistor in parallel with the control charging circuit switch to activate the national standard 0 voltage charger and to prevent short circuiting.
5. A timed charging system to prevent short circuiting of the charging port of an electric vehicle as claimed in claim 4, including a device for activating a national standard 0 voltage charger and for preventing short circuiting in parallel with the control charging circuit switch.
6. The timing charging system for preventing the short circuit of the charging port of the electric vehicle as claimed in claims 1 and 2, wherein L is connected to GND through voltage dividing resistors 1 and 2, analog quantity of corresponding proportion between 1 resistor and 2 resistor is connected to the single chip microcomputer P9 through 3 filter capacitor, and the single chip microcomputer measures the voltage of the charging port of the electric vehicle through P9 pin.
7. The system of claim 6, further comprising a voltage detection circuit for detecting a voltage between the switch of the charging circuit controlled by the protector and the charging port of the electric vehicle.
8. A timed charging system to prevent short circuiting of the charging port of an electric vehicle as claimed in claims 1 and 2, characterised in that figure 1 has a 6-step communication port connected to the circuit board.
9. The system of claim 8, wherein the communications port is upgraded or not upgraded.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910502125.7A CN112060942A (en) | 2019-06-11 | 2019-06-11 | Prevent regularly charging system of electric motor car charging mouth short circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910502125.7A CN112060942A (en) | 2019-06-11 | 2019-06-11 | Prevent regularly charging system of electric motor car charging mouth short circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112060942A true CN112060942A (en) | 2020-12-11 |
Family
ID=73658601
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910502125.7A Pending CN112060942A (en) | 2019-06-11 | 2019-06-11 | Prevent regularly charging system of electric motor car charging mouth short circuit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112060942A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113267736A (en) * | 2021-05-31 | 2021-08-17 | 荣耀终端有限公司 | Charging test device and method |
-
2019
- 2019-06-11 CN CN201910502125.7A patent/CN112060942A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113267736A (en) * | 2021-05-31 | 2021-08-17 | 荣耀终端有限公司 | Charging test device and method |
| CN113267736B (en) * | 2021-05-31 | 2022-04-12 | 荣耀终端有限公司 | Charging test device and method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105322397A (en) | USB port connector with charging protection function and implementation method of USB port connector | |
| CN101272060B (en) | Charger for storage battery | |
| CN101636892A (en) | Battery management system | |
| CN112311080B (en) | Power supply switching system and method, electrical equipment and vehicle accident alarm method | |
| CN112060942A (en) | Prevent regularly charging system of electric motor car charging mouth short circuit | |
| CN107901786A (en) | Artificial intelligence electric car house keeper | |
| CN204376487U (en) | Station/the stake of straight-charging type electric motor car safe charging | |
| CN109713750A (en) | A kind of adjustable charge-discharge battery protection circuit of temperature | |
| CN212063520U (en) | Intelligent charging protector for electric vehicle battery | |
| CN210821896U (en) | Charging device | |
| CN214755686U (en) | Intelligent charging timing protector | |
| CN208955345U (en) | A kind of USB interface with overheat protector | |
| CN211930279U (en) | Battery pack and charging combination device | |
| CN209982134U (en) | Charge-discharge protection device and charging box | |
| CN211859691U (en) | Portable self-adaptive charging system for charging pile | |
| CN209088192U (en) | A kind of pair of electric vehicle carries out the socket of intelligent charge | |
| CN104600809B (en) | A kind of straight-charging type electric motor car safe charging station/stake | |
| CN113541257A (en) | Charging input protection device and charging overvoltage and overtemperature protection method thereof | |
| CN111404210A (en) | Intelligent charging protector for electric vehicle battery | |
| CN220358477U (en) | Electric motor car intelligent socket that charges | |
| CN110303930A (en) | A kind of charging unit | |
| CN213754059U (en) | Fill automatic adaptation of electric pile plug and charging safety protection circuit | |
| CN205498655U (en) | Charging system of one -way plug -in | |
| CN206628842U (en) | The charging system of two-way plug-in | |
| CN112467235A (en) | Battery and unmanned aerial vehicle |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20201211 |
|
| WD01 | Invention patent application deemed withdrawn after publication |