CN217882958U - Data protection circuit used in power-off process of electric automobile pile equipment - Google Patents
Data protection circuit used in power-off process of electric automobile pile equipment Download PDFInfo
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- CN217882958U CN217882958U CN202221014297.3U CN202221014297U CN217882958U CN 217882958 U CN217882958 U CN 217882958U CN 202221014297 U CN202221014297 U CN 202221014297U CN 217882958 U CN217882958 U CN 217882958U
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- 238000000034 method Methods 0.000 title description 2
- 239000003990 capacitor Substances 0.000 claims description 13
- 239000013078 crystal Substances 0.000 claims description 9
- 230000004048 modification Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000002159 abnormal effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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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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Abstract
The utility model discloses a data protection circuit for when electric automobile stake equipment outage for carry out data protection when the outage, including master control circuit and stand-by power supply circuit, master control circuit with stand-by power supply circuit electric connection, stand-by power supply circuit includes reserve battery BT1, electric capacity C2, resistance R23 and diode VD1. The utility model discloses a data protection circuit for when electric automobile stake equipment cuts off power supply, it provides stand-by power supply when electric automobile fills electric pile equipment outage through stand-by power supply circuit to in time supply power for the master controller, and then make when detecting the outage the master controller can upload data and upload the reason, and can in time finish the order, it has simple structure, convenient to use and advantage such as with low costs.
Description
Technical Field
The utility model belongs to the technical field of electric automobile outage processing, concretely relates to data protection circuit for when electric automobile stake equipment cuts off power supply.
Background
The charging pile has the function similar to an oiling machine in a gas station, can be fixed on the ground or on the wall, is installed in parking lots of public buildings and residential districts or charging stations, and can charge electric vehicles of various models according to different voltage grades. The input end of the charging pile is directly connected with an alternating current power grid, and the output end of the charging pile is provided with a charging plug for charging the electric automobile.
When the charging pile is used, abnormal power failure occurs, charging data is not stored in time, the reason of equipment cannot be inquired, and the problem that cost cannot be settled in time is caused to a user.
Therefore, the above problems are further improved.
SUMMERY OF THE UTILITY MODEL
The utility model discloses a main aim at provides a data protection circuit for when electric automobile stake equipment cuts off power supply, it provides stand-by power supply when electric automobile fills electric pile equipment outage through stand-by power supply circuit to in time supply power for the master controller, and then make when detecting the outage the master controller can upload data and upload the reason, and can in time finish the order, it has simple structure, convenient to use and advantage such as with low costs.
In order to achieve the above object, the utility model provides a data protection circuit for when electric automobile stake equipment cuts off power supply for carry out data protection when cutting off power supply, including master control circuit and stand-by power supply circuit, master control circuit with stand-by power supply circuit electric connection, wherein:
the standby power supply circuit comprises a standby battery BT1, a capacitor C2, a resistor R23 and a diode VD1, wherein the anode of the standby battery BT1 is electrically connected with the cathode of the diode VD1, the anode of the diode VD1 is connected with a power supply end (VDD _3V 3), and the capacitor C2 is connected between the anode and the cathode of the standby battery BT 1;
the main control circuit comprises a main controller U2, and a power supply end (1 pin, VBAT) of the main controller U2 is electrically connected with the positive electrode of the backup battery BT1 through a resistor R23.
As a further preferable technical solution of the above technical solution, a crystal oscillator Y1 is connected between the 5 pin and the 6 pin of the main controller U2, one side of the crystal oscillator Y1 close to the 5 pin of the main controller U2 is further grounded through a capacitor C16, and one side of the crystal oscillator Y1 close to the 6 pin of the main controller U2 is further grounded through a capacitor C14.
As a further preferable technical solution of the above technical solution, the master controller U2 has a model number GD32F105RBT6.
As a further preferable technical solution of the above technical solution, the power supply terminal (64 pin) of the master controller U2 is connected to a power supply terminal (VDD _3V 3).
As a more preferable mode of the above mode, the output voltage of the backup battery BT1 is 3V.
The beneficial effects of the utility model reside in that:
it provides stand-by power supply when electric automobile fills electric pile equipment outage through stand-by power supply circuit to in time supply power and give the master controller, and then make when detecting the outage master controller can upload data and upload the reason, and can in time finish the order, it has simple structure, convenient to use and advantage such as with low costs.
Drawings
Fig. 1 is a circuit diagram of a standby power supply of a data protection circuit for an electric vehicle pile device during power failure.
Fig. 2 is a main control circuit diagram of the data protection circuit for the electric vehicle pile device in power-off state of the utility model.
Detailed Description
The following description is presented to disclose the invention so as to enable any person skilled in the art to practice the invention. The preferred embodiments in the following description are given by way of example only, and other obvious variations will occur to those skilled in the art. The underlying principles of the invention, as defined in the following description, may be applied to other embodiments, variations, modifications, equivalents, and other technical solutions without departing from the spirit and scope of the invention.
The utility model discloses a data protection circuit for when electric automobile stake equipment outage combines preferred embodiment below, does further description to the concrete embodiment of utility model.
In the embodiment of the present invention, those skilled in the art will note that the electric vehicle pile equipment and the like according to the present invention can be regarded as the prior art.
Preferred embodiments.
The utility model discloses a data protection circuit for when electric automobile stake equipment outage for carry out data protection when the outage, including master control circuit and stand-by power supply circuit, master control circuit with stand-by power supply circuit electric connection, wherein:
the standby power supply circuit comprises a standby battery BT1, a capacitor C2, a resistor R23 and a diode VD1, wherein the anode of the standby battery BT1 is electrically connected with the cathode of the diode VD1, the anode of the diode VD1 is connected with a power supply end (VDD _3V 3), and the capacitor C2 is connected between the anode and the cathode of the standby battery BT 1;
the main control circuit comprises a main controller U2, and a power supply end (1 pin, VBAT) of the main controller U2 is electrically connected with the positive electrode of the backup battery BT1 through a resistor R23.
Specifically, a crystal oscillator Y1 is connected between the 5 pin and the 6 pin of the main controller U2, one side of the crystal oscillator Y1, which is close to the 5 pin of the main controller U2, is further grounded through a capacitor C16, and one side of the crystal oscillator Y1, which is close to the 6 pin of the main controller U2, is further grounded through a capacitor C14.
More specifically, the master controller U2 has a model number GD32F105RBT6.
Further, the power supply terminal (64 pin) of the master U2 is connected to the power supply terminal (VDD _3V 3).
Further, the output voltage of the backup battery BT1 is 3V.
Preferably, the principle of the utility model is that:
IN order to ensure that a small battery BT1 is added to a single chip microcomputer to supply power for normal use of a charging pile so as to ensure that the equipment can detect power failure and upload data uploading reasons and can finish orders IN time, VDD3.3V directly supplies power for VBAT when the equipment is powered on, the BT1 is not supplied with power because the VDD voltage is larger than or equal to the BT1 voltage, and the BT1 supplies power for the VBAT when the equipment is powered off (an IN4148 diode is IN one-way cut-off).
When the equipment is powered on, the power supply end VDD _3V3 supplies power to a 64 pin (normal operation) of the master controller, and the power supply end VDD _3V3 is connected with a 1 pin (VBAT) of the master controller sequentially through the diode VD1 and the resistor R23 to store and supply power for data, so that the 64 pin and the 1 pin of the master controller are separately supplied with power when the equipment is powered on, when the equipment is powered off, the 64 pin of the master controller has no power and the anode of the diode VD1 also has no power to supply, and at the moment, VDD has no voltage, the anode of the backup battery BT1 supplies power to the 1 pin of the master controller through the resistor R23 to store and upload data, the capacitor C2 is used for filtering, so that current impact caused by excessive current at the moment when the backup battery BT1 is switched on is prevented, the diode VD1 has one-way conduction, the current of the battery cannot be led out through the diode VD1 when the power is switched off, and reverse current is prevented from running off, and if the backup battery is switched on under the condition of power failure, the reverse current can be consumed quickly.
It is worth mentioning that the utility model discloses a technical characteristics such as electric automobile stake equipment that the patent application relates to should be regarded as prior art, and the concrete structure of these technical characteristics, theory of operation and the control mode that may involve, spatial arrangement mode adopt the conventional selection in this field can, should not be regarded as the utility model discloses a point of invention is located, the utility model discloses a do not do further specifically expand the detailing.
It will be apparent to those skilled in the art that modifications and variations can be made in the above-described embodiments, or some features of the invention may be substituted or omitted, and any modification, substitution, or improvement made within the spirit and principle of the present invention shall fall within the protection scope of the present invention.
Claims (5)
1. The utility model provides a data protection circuit for when electric automobile stake equipment outage for carry out data protection when the outage, a serial communication port, including master control circuit and stand-by power supply circuit, master control circuit with stand-by power supply circuit electric connection, wherein:
the standby power supply circuit comprises a standby battery BT1, a capacitor C2, a resistor R23 and a diode VD1, wherein the anode of the standby battery BT1 is electrically connected with the cathode of the diode VD1, the anode of the diode VD1 is connected with a power supply end, and the capacitor C2 is connected between the anode and the cathode of the standby battery BT 1;
the main control circuit comprises a main controller U2, and a power supply end of the main controller U2 is electrically connected with the positive electrode of the standby battery BT1 through a resistor R23.
2. The data protection circuit for the electric automobile pile device during power failure according to claim 1, wherein a crystal oscillator Y1 is connected between the 5 pins and the 6 pins of the main controller U2, one side of the crystal oscillator Y1 close to the 5 pins of the main controller U2 is further grounded through a capacitor C16, and one side of the crystal oscillator Y1 close to the 6 pins of the main controller U2 is further grounded through a capacitor C14.
3. The data protection circuit for electric automobile pile equipment in power failure as claimed in claim 2, wherein the master controller U2 is of model GD32F105RBT6.
4. The data protection circuit for the electric automobile pile equipment in the power failure state as claimed in claim 3, wherein the power supply end of the master controller U2 is connected with the power supply end.
5. The data protection circuit for the electric automobile pile device in the power failure state as claimed in claim 4, wherein the output voltage of the backup battery BT1 is 3V.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221014297.3U CN217882958U (en) | 2022-04-27 | 2022-04-27 | Data protection circuit used in power-off process of electric automobile pile equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221014297.3U CN217882958U (en) | 2022-04-27 | 2022-04-27 | Data protection circuit used in power-off process of electric automobile pile equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217882958U true CN217882958U (en) | 2022-11-22 |
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ID=84089825
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221014297.3U Active CN217882958U (en) | 2022-04-27 | 2022-04-27 | Data protection circuit used in power-off process of electric automobile pile equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217882958U (en) |
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2022
- 2022-04-27 CN CN202221014297.3U patent/CN217882958U/en active Active
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Address after: Room 501, Building 9, Building B, Jiaxing Smart Industry Innovation Park, No. 36 Changsheng South Road, Jiaxing Economic and Technological Development Zone, Zhejiang Province, 314001 Patentee after: JIAXING ZHIXING INTERNET OF THINGS TECHNOLOGY Co.,Ltd. Address before: Room 901, building 11, 36 Changsheng South Road, Nanhu District, Jiaxing City, Zhejiang Province, 314001 Patentee before: JIAXING ZHIXING INTERNET OF THINGS TECHNOLOGY Co.,Ltd. |