CN211075559U - Unlocking device for charging and discharging by utilizing energy storage capacitor circuit and charging pile thereof - Google Patents
Unlocking device for charging and discharging by utilizing energy storage capacitor circuit and charging pile thereof Download PDFInfo
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- CN211075559U CN211075559U CN201921473796.7U CN201921473796U CN211075559U CN 211075559 U CN211075559 U CN 211075559U CN 201921473796 U CN201921473796 U CN 201921473796U CN 211075559 U CN211075559 U CN 211075559U
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- energy storage
- storage capacitor
- capacitor circuit
- charging
- electronic lock
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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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- 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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- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
The utility model relates to an unlocking device for charging and discharging by utilizing an energy storage capacitor circuit and a charging pile thereof, which comprises a power supply, a controller, a first relay, a second relay, the energy storage capacitor circuit and an electronic lock; the two ends of the coil input end of the first relay are electrically connected with the anode of the power supply and the first pin of the controller respectively, the two ends of the output end of the first relay are electrically connected with the anode of the power supply and the anode of the energy storage capacitor circuit respectively, the two ends of the coil input end of the second relay are electrically connected with the anode of the power supply and the second pin of the controller respectively, the two ends of the output end of the second relay are electrically connected with the cathode of the power supply and the first end of the energy storage capacitor circuit respectively, and the energy storage capacitor circuit is connected with the electronic lock in series. The energy storage capacitor circuit is connected with the electronic lock in series, and when the power supply is powered off, the electric quantity stored by the energy storage capacitor circuit can enable the electronic lock to be reversed, so that the electronic lock is unlocked. This design has reached when the outage condition appears, still can unblock electronic lock, and control is simple, beneficial effect with low costs.
Description
Technical Field
The utility model relates to the field of electronic technology, in particular to utilize unlocking device of energy storage capacitor circuit charge-discharge and fill electric pile thereof.
Background
The current state-of-the-art ac charging post interface includes standard 7-wire (L1, L2, L3, N, PE, CC, CP) sockets and electronic locks.
In the prior art, after a charging gun connected with an electric vehicle battery is inserted into a charging socket, the charging gun is coupled with the structure and electricity of the socket, and a charging mode is started. The electronic lock is used for locking the charging gun with a charging socket, is generally arranged on the socket and is combined with the socket into a whole. When the lock pin of the electronic lock is in a locking state, the plug is locked on the socket, so that reliable connection is ensured without falling off; when charging is completed, the system sends an unlocking signal, the electronic lock pin is switched to an unlocking state, and the charging head can be taken down from the charging socket.
In the alternating current charging process of the whole vehicle, if the whole vehicle is powered off at 12V, the controller cannot be unlocked, the charging gun cannot be pulled off, and the vehicle cannot move.
SUMMERY OF THE UTILITY MODEL
The utility model discloses solve when the vehicle outage, the electronic lock lockpin can't trun into the unblock state, the first technical problem who can't take off from the socket that charges.
In order to solve the technical problem, in a first aspect, the utility model discloses an unlocking device for charging and discharging by using an energy storage capacitor circuit and a charging pile thereof, which comprises a power supply, a controller, a first relay, a second relay, the energy storage capacitor circuit and an electronic lock;
the power supply is electrically connected with the controller; two ends of the coil input end of the first relay are respectively and electrically connected with the anode of the power supply and the first pin of the controller, the output end of the first relay is used for controlling the output end of the first relay, the output end of the first relay comprises a conversion contact and a normally open contact, the two ends of the output end of the first relay are respectively and electrically connected with the positive electrode of the power supply and the positive electrode of the energy storage capacitor circuit, two ends of the coil input end of the second relay are respectively and electrically connected with the anode of the power supply and the second pin of the controller, two ends of the output end of the second relay are respectively and electrically connected with the negative electrode of the power supply and the first end of the energy storage capacitor circuit, the energy storage capacitor circuit is connected with the electronic lock in series, and a first pole and a second pole of the electronic lock are respectively and electrically connected with a negative pole of the power supply and a second end of the energy storage capacitor circuit.
Preferably, the energy storage capacitor circuit includes a capacitor, two ends of the output end of the second relay are electrically connected to the negative electrode of the power supply and the positive electrode of the capacitor, respectively, the energy storage capacitor circuit is connected in series with the electronic lock, and the first pole and the second pole of the electronic lock are electrically connected to the negative electrode of the power supply and the negative electrode of the capacitor, respectively.
Preferably, the energy storage capacitor circuit includes electric capacity and resistance, the electric capacity with the resistance is established ties, the both ends of the output of second relay respectively with the negative pole of power with be close to the anodal electric connection of electric capacity, the energy storage capacitor circuit with the electronic lock is established ties, the first utmost point and the second utmost point of electronic lock respectively with the negative pole of power with be close to the negative pole electric connection of electric capacity.
Preferably, a fuse is electrically connected in series between the positive electrode of the power supply and the first pin of the controller.
Preferably, the electronic lock may be an electromagnetic lock or a motor-driven electronic lock.
Preferably, the energy storage capacitor circuit is selected by referring to: the unlocking time (unit is second) is approximately equal to the size (unit is F) of the energy storage capacitor circuit and the equivalent resistance of the electronic lock load; the unit of the unlocking time is second, the unit of the energy storage capacitor circuit is F, and the resistance of the electronic lock load equivalent resistance is ohm.
Preferably, the unlocking device for charging and discharging by using the energy storage capacitor circuit further comprises a microswitch, a third pin and a fourth pin of the controller are connected with a common point and a normally closed point of the microswitch, and the microswitch is in mechanical linkage connection with the electronic lock.
Preferably, the power supply may be 12V.
Preferably, the energy storage capacitor circuit (5) comprises a fuse and at least two capacitors, at least two capacitors are connected in parallel, and at least two capacitors are connected in parallel and then connected in series with the fuse.
In a second aspect, the utility model discloses a fill electric pile, including the socket structure that charges and the unlocking device who utilizes energy storage capacitor circuit to charge and discharge, the socket structure that charges with the unlocking device who utilizes energy storage capacitor circuit to charge and discharge connects, the unlocking device who utilizes energy storage capacitor circuit to charge and discharge is foretell and utilizes the unlocking device that energy storage capacitor circuit charges and discharges, the electronic lock is used for the locking of rifle and the socket structure that charges. Adopt above-mentioned technical scheme, have following beneficial effect:
the energy storage capacitor circuit is connected with the electronic lock in series, and when the power supply of the unlocking device which utilizes the energy storage capacitor circuit to charge and discharge is powered off, the electric quantity stored by the energy storage capacitor circuit can enable the electronic lock to be reversed, so that the electronic lock is unlocked. This design has reached when the outage condition appears, still can unblock electronic lock, and control is simple, beneficial effect with low costs.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.
Fig. 1 is a schematic structural diagram of an unlocking device for charging and discharging by using an energy storage capacitor circuit according to an embodiment of the present invention;
the following is a supplementary description of the drawings:
1-a power supply; 2-a controller; 3-a first relay; 4-a second relay; 5-energy storage capacitor electric appliance; 6-electronic lock.
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. It is to be understood that the embodiments described are only some embodiments of the invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.
Reference herein to "one embodiment" or "an embodiment" means that a particular feature, structure, or characteristic described in connection with at least one implementation of the invention is included. In the description of the present invention, it is to be understood that the terms "upper", "lower", "top", "bottom", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus should not be construed as limiting the present 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 one or more of that feature. Moreover, the terms "first," "second," and the like are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used is interchangeable under appropriate circumstances such that the embodiments of the invention described herein are capable of operation in sequences other than those illustrated or otherwise described herein.
Referring to fig. 1, in an embodiment, an unlocking device using charging and discharging of an energy storage capacitor circuit includes a power supply 1, a controller 2, a first relay 3, a second relay 4, an energy storage capacitor circuit 5, and an electronic lock 6; in this embodiment, the first relay 3 is a normally open relay, and the second relay 4 is a normally closed relay.
The power supply 1 is electrically connected with the controller 2; two ends of the coil input end of the first relay 3 are respectively and electrically connected with the anode of the power supply 1 and the first pin of the controller 2, for controlling the output of the first relay 3, the output of the first relay 3 comprises a changeover contact and a normally open contact, two ends of the output end of the first relay 3 are respectively and electrically connected with the anode of the power supply 1 and the anode of the energy storage capacitor circuit 5, two ends of the coil input end of the second relay 4 are respectively and electrically connected with the anode of the power supply 1 and the second pin of the controller 2, two ends of the output end of the second relay 4 are respectively and electrically connected with the negative electrode of the power supply 1 and the first end of the energy storage capacitor circuit 5, the energy storage capacitor circuit 5 is connected in series with the electronic lock 6, and a first pole and a second pole of the electronic lock 6 are respectively electrically connected with a negative pole of the power supply 1 and a second end of the energy storage capacitor circuit 5.
Referring to fig. 1, the energy storage capacitor circuit 5 includes a capacitor, two ends of an output end of the second relay 4 are electrically connected to a negative electrode of the power supply 1 and a positive electrode of the capacitor, respectively, the energy storage capacitor circuit 5 is connected in series with the electronic lock 6, and a first electrode and a second electrode of the electronic lock 6 are electrically connected to a negative electrode of the power supply 1 and a negative electrode of the capacitor, respectively. But not limited thereto, in other embodiments, the energy storage capacitor circuit 5 includes a capacitor and a resistor, the capacitor and the resistor are connected in series, two ends of the output end of the second relay 4 are respectively electrically connected to the negative electrode of the power supply 1 and the positive electrode close to the capacitor, the energy storage capacitor circuit 5 is connected in series with the electronic lock 6, and the first electrode and the second electrode of the electronic lock 6 are respectively electrically connected to the negative electrode of the power supply 1 and the negative electrode close to the capacitor.
Charging stage of the energy storage capacitor circuit 5: during power supply 1, 4 coil input ends of second relay are driven to controller 2, make the change over contact and the normally closed contact disconnection of 4 output ends of second relay, 2 drives of controller 3 coil ends of first relay make the change over contact and the normally open contact of 3 output ends of first relay connect, and the current flow direction is at this moment: the charging method comprises the steps that a positive electrode of a power supply 1 → a first relay 3 → an energy storage capacitor circuit 5 → an electronic lock 6 → a negative electrode of the power supply 1, the power supply 1 charges the energy storage capacitor circuit 5 and simultaneously drives the electronic lock 6 to rotate forwards to enable a bolt of the electronic lock 6 to be ejected so as to lock a charging gun and a charging socket, safety is ensured, when the voltage of the energy storage capacitor circuit 5 is balanced, namely, an open circuit is formed, the electronic lock 6 stops acting, a locking process is formed, and charging time can be calculated by selecting types of a load of the electronic lock 6 and the energy storage capacitor circuit 5;
discharging stage of the energy storage capacitor circuit 5: the power supply 1 is powered off or the controller 2 does not drive the coil end of the first relay 3, the switching contact and the normally closed contact of the output end of the second relay 4 are connected, and the current flow direction is as follows: the negative pole of the energy storage capacitor circuit 5 → the electronic lock 6 → the positive pole of the energy storage capacitor circuit 5, because the current of the energy storage capacitor circuit 5 is opposite to the current of the electronic lock 6 when the power supply 1 supplies power, the bolt of the electronic lock 6 retracts, thereby unlocking the charging gun and the charging socket, achieving the purpose of unlocking, and when the power supply of the energy storage capacitor circuit 5 is insufficient, the electronic lock 6 stops acting;
the energy storage capacitor circuit 5 and the electronic lock 6 are connected in series, and when the power supply 1 of the unlocking device which utilizes the charging and discharging of the energy storage capacitor circuit 5 is powered off, the electric quantity stored by the energy storage capacitor circuit 5 can enable the electronic lock 6 to be reversed, so that the electronic lock 6 is unlocked. This design has reached when the outage condition appears, still can unblock electronic lock 6, and control is simple, with low costs beneficial effect.
In some embodiments, a fuse is electrically connected in series between the positive terminal of the power supply 1 and the first pin of the controller 2. The fuse can be disconnected when a load fails, for example, the current caused by short circuit is too large, and the safety of the whole device is ensured.
In some embodiments, it is considered that, in engineering, the capacitor discharge time of the RC circuit is about 3 to 5RC, and preferably, the electronic lock 6 may be an electromagnetic lock or a motor-driven electronic lock, and when the unlocking time of the electronic lock is determined, reference may be made to: the unlocking time is approximately equal to the load equivalent resistance of the electronic lock 6 of the energy storage capacitor circuit 5 or the unlocking time is approximately equal to the capacitor of the energy storage capacitor circuit 5 (the load equivalent resistance of the electronic lock 6 + the resistance in the energy storage capacitor circuit 5); the unit of the unlocking time is second, the unit of the energy storage capacitor circuit 5 is F, and the resistance of the electronic lock 6 load equivalent resistance is ohm. The selection of the capacitor in the energy storage capacitor circuit 5 can enable the capacitor to store enough electric quantity to drive the electronic lock to be unlocked.
In some embodiments, the unlocking device for charging and discharging by using the energy storage capacitor circuit 5 further includes a micro switch, a third pin and a fourth pin of the controller 2 are connected to a common point and a normally-closed point of the micro switch, the micro switch is mechanically linked with the electronic lock 6, the electronic lock 6 is locked or unlocked to close or open the micro switch, and the controller 2 determines a locking or unlocking state of the electronic lock 6.
In some embodiments, the energy storage capacitor circuit (5) comprises at least two capacitors, at least two capacitors are connected in parallel, the total capacitance after parallel connection is equal to the sum of the capacities of each capacitor, and the parallel capacitors have stronger energy storage capacity.
In some embodiments, the energy storage capacitor circuit (5) includes a fuse and at least two capacitors, at least two capacitors are connected in parallel and then connected in series with the fuse, the total capacitance after parallel connection is equal to the sum of the capacitance of each capacitor, the parallel capacitors have stronger energy storage capacity, and when any one capacitor breaks down or is short-circuited, the circuit current suddenly increases, the fuse is fused, and the circuit is protected.
A charging pile comprises a charging socket structure and an unlocking device for charging and discharging by utilizing an energy storage capacitor circuit, wherein the charging socket structure is connected with the unlocking device for charging and discharging by utilizing the energy storage capacitor circuit, the unlocking device for charging and discharging by utilizing the energy storage capacitor circuit is the unlocking device for charging and discharging by utilizing the energy storage capacitor circuit in the embodiment, an electronic lock is used for locking a charging gun and the charging socket structure, and when a lock pin of the electronic lock is in a locking state, a plug is locked on the charging socket, so that the reliable connection is ensured not to fall off.
The above description is only for the preferred embodiment of the present invention, and is not intended to limit the present invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included within the protection scope of the present invention.
Claims (9)
1. The utility model provides an utilize unlocking device of energy storage capacitor circuit charge-discharge which characterized in that: the energy-saving control system comprises a power supply (1), a controller (2), a first relay (3), a second relay (4), an energy storage capacitor circuit (5) and an electronic lock (6);
the power supply (1) is electrically connected with the controller (2); the two ends of the coil input end of the first relay (3) are electrically connected with the anode of the power supply (1) and the first pin of the controller (2) respectively and used for controlling the output end of the first relay (3), the output end of the first relay (3) comprises a conversion contact and a normally open contact, the two ends of the output end of the first relay (3) are electrically connected with the anode of the power supply (1) and the anode of the energy storage capacitor circuit (5) respectively, the two ends of the coil input end of the second relay (4) are electrically connected with the anode of the power supply (1) and the second pin of the controller (2) respectively, the two ends of the output end of the second relay (4) are electrically connected with the cathode of the power supply (1) and the first end of the energy storage capacitor circuit (5) respectively, and the energy storage capacitor circuit (5) are connected in series with the electronic lock (6), and a first pole and a second pole of the electronic lock (6) are respectively and electrically connected with a negative pole of the power supply (1) and a second end of the energy storage capacitor circuit (5).
2. The unlocking device for charging and discharging by using the energy storage capacitor circuit as claimed in claim 1, wherein: energy storage capacitor circuit (5) include a electric capacity, the both ends of the output of second relay (4) respectively with the negative pole of power (1) with the anodal electric connection of electric capacity, energy storage capacitor circuit (5) with electronic lock (6) are established ties, the first utmost point and the second utmost point of electronic lock (6) respectively with the negative pole of power (1) with the negative pole electric connection of electric capacity.
3. The unlocking device for charging and discharging by using the energy storage capacitor circuit as claimed in claim 1, wherein: energy storage capacitor circuit (5) include electric capacity and resistance, electric capacity with the resistance is established ties, the both ends of the output of second relay (4) respectively with the negative pole of power (1) with be close to the anodal electric connection of electric capacity, energy storage capacitor circuit (5) with electronic lock (6) are established ties, the first utmost point and the second pole of electronic lock (6) respectively with the negative pole of power (1) with be close to the negative pole electric connection of electric capacity.
4. The unlocking device for charging and discharging by using the energy storage capacitor circuit as claimed in claim 1, wherein: and a fuse is electrically connected in series between the positive electrode of the power supply (1) and the first pin of the controller (2).
5. The unlocking device for charging and discharging by using the energy storage capacitor circuit as claimed in claim 1, wherein: the electronic lock (6) can be an electromagnetic lock or a motor-driven electronic lock (6).
6. The unlocking device for charging and discharging by using the energy storage capacitor circuit as claimed in claim 1, wherein: the unlocking device for charging and discharging by using the energy storage capacitor circuit (5) further comprises a microswitch, a third pin and a fourth pin of the controller (2) are connected with a common point and a normally-closed point of the microswitch, and the microswitch is mechanically linked with the electronic lock (6).
7. The unlocking device for charging and discharging by using the energy storage capacitor circuit as claimed in claim 1, wherein: the power supply (1) may be 12V.
8. The unlocking device for charging and discharging by using the energy storage capacitor circuit as claimed in claim 1, wherein: the energy storage capacitor circuit (5) comprises a fuse and at least two capacitors, wherein the capacitors are connected in parallel, and the capacitors are connected in parallel and then connected in series with the fuse.
9. The utility model provides a fill electric pile which characterized in that: the electronic lock comprises a charging socket structure and an unlocking device for charging and discharging by using an energy storage capacitor circuit, wherein the charging socket structure is connected with the unlocking device for charging and discharging by using the energy storage capacitor circuit, the unlocking device for charging and discharging by using the energy storage capacitor circuit is the unlocking device for charging and discharging by using the energy storage capacitor circuit in any one of claims 1 to 8, and the electronic lock is used for locking a charging gun and the charging socket structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921473796.7U CN211075559U (en) | 2019-09-05 | 2019-09-05 | Unlocking device for charging and discharging by utilizing energy storage capacitor circuit and charging pile thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921473796.7U CN211075559U (en) | 2019-09-05 | 2019-09-05 | Unlocking device for charging and discharging by utilizing energy storage capacitor circuit and charging pile thereof |
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| CN211075559U true CN211075559U (en) | 2020-07-24 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201921473796.7U Active CN211075559U (en) | 2019-09-05 | 2019-09-05 | Unlocking device for charging and discharging by utilizing energy storage capacitor circuit and charging pile thereof |
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| CN (1) | CN211075559U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113635792A (en) * | 2021-08-05 | 2021-11-12 | 青岛华烁高科新能源技术有限公司 | Control method of single-switch controllable charging interface electronic lock driving circuit |
| CN116901769A (en) * | 2023-05-30 | 2023-10-20 | 江苏大孚集成装备科技有限公司 | Superhigh pressure fills electric pile |
-
2019
- 2019-09-05 CN CN201921473796.7U patent/CN211075559U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113635792A (en) * | 2021-08-05 | 2021-11-12 | 青岛华烁高科新能源技术有限公司 | Control method of single-switch controllable charging interface electronic lock driving circuit |
| CN113635792B (en) * | 2021-08-05 | 2024-04-02 | 青岛华烁高科新能源技术有限公司 | Control method of single-switch controllable charging interface electronic lock driving circuit |
| CN116901769A (en) * | 2023-05-30 | 2023-10-20 | 江苏大孚集成装备科技有限公司 | Superhigh pressure fills electric pile |
| CN116901769B (en) * | 2023-05-30 | 2024-04-30 | 江苏大孚集成装备科技有限公司 | Superhigh pressure fills electric pile |
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