CN210087019U - Control circuit for electronic lock of charging gun - Google Patents
Control circuit for electronic lock of charging gun Download PDFInfo
- Publication number
- CN210087019U CN210087019U CN201821781753.0U CN201821781753U CN210087019U CN 210087019 U CN210087019 U CN 210087019U CN 201821781753 U CN201821781753 U CN 201821781753U CN 210087019 U CN210087019 U CN 210087019U
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- Prior art keywords
- pole double
- electronic lock
- terminal
- throw contact
- output terminal
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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
- Y02T90/14—Plug-in electric vehicles
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- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
The utility model discloses a rifle electronic lock control circuit charges. The relay comprises a coil, a first single-pole double-throw contact and a second single-pole double-throw contact, a positive terminal of the coil is connected with a positive line of a power supply, a negative terminal of the coil is connected with an electronic lock control line, the output interface comprises three output terminals, the first output terminal is connected with a public end of the first single-pole double-throw contact, the second output terminal is connected with a negative electrode of the energy storage capacitor, a positive electrode of the energy storage capacitor is connected with a public end of the second single-pole double-throw contact, and the third output terminal is respectively connected with the ground and a non-public end of the normally-closed contact. The utility model discloses can be suitable for being used for current magnetism to keep electromagnetic lock and pulsed electromagnetic lock simultaneously, can in time with the timely unblock of different types of electronic lock when the power falls the electricity and stops to charge, the safety of assurance system removes artifical unblock from, unites two into one two kinds of electronic lock control circuit, has reduced the cost of control panel, convenient to use more.
Description
Technical Field
The invention relates to the field of charging guns, in particular to a control circuit for an electronic lock of a charging gun.
Background
Fill electric pile's rifle electronic lock that charges very important to whole charging process, the rifle that charges is from preparing to charge to the end of charging all has direct contact with people, so the security of rifle that charges is crucial, and the electronic lock of rifle that charges guarantees the safety of charging to charging process. The electronic lock of the charging gun in the current market has two modes, one mode is a magnetic latching electronic lock, and the other mode is a pulse type electronic lock. The magnetic holding electronic lock has the advantages that the electronic lock is immediately disconnected after power failure, and the magnetic holding electronic lock has the disadvantage that long-time power supply is required. The pulse type electronic lock has the advantages that long-time power supply is not needed, and the pulse type electronic lock has the disadvantages that the electronic lock needs to be manually and mechanically disconnected when power is cut off, so that the pulse type electronic lock is inconvenient to use, and therefore improvement is needed.
Disclosure of Invention
The invention aims to provide a charging gun electronic lock control circuit which can be used for a magnetic latching electromagnetic lock and a pulse electromagnetic lock, aiming at the defects in the prior art.
In order to achieve the purpose, the invention provides a control circuit of an electronic lock of a charging gun, which comprises a relay, an energy storage capacitor and an output interface, wherein the relay comprises a coil, a first single-pole double-throw contact and a second single-pole double-throw contact, a positive terminal of the coil is connected with a positive line of a power supply, a negative terminal of the coil is connected with an electronic lock control line, the positive line of the power supply is respectively connected with non-common ends of normally open contacts in the first single-pole double-throw contact and the second single-pole double-throw contact, the output interface comprises three output terminals which are respectively a first output terminal, a second output terminal and a third output terminal, the first output terminal is connected with the common end of the first single-pole double-throw contact, the second output terminal is connected with the negative electrode of the energy storage capacitor, the positive electrode of the energy storage capacitor is connected with the common end of the second single-pole double-throw contact, and the third output terminal is respectively connected with the normally closed non-common ends in the ground and the second single-pole double-.
Furthermore, a current-limiting resistor is connected between the first output terminal and the common end of the first single-pole double-throw contact.
Furthermore, a first diode is arranged between the positive wire of the power supply and the positive terminal of the coil in the positive direction.
Furthermore, a second diode is arranged between the first diode and the non-common end of the normally open contact in the first single-pole double-throw contact and the second single-pole double-throw contact in the forward direction.
The device further comprises a third diode, wherein the anode of the third diode is connected with the cathode terminal of the coil, and the cathode of the third diode is respectively connected with the anode terminal of the coil and the cathode of the first diode.
Has the advantages that: the invention can be applied to the existing magnetic latching electromagnetic lock and pulse electromagnetic lock, and can unlock different types of electronic locks in time when the power supply is powered off and stops charging, thereby ensuring the safety of the system, avoiding manual unlocking, combining two electronic lock control circuits into one, reducing the cost of the control panel and being more convenient to use.
Drawings
FIG. 1 is a schematic diagram of a control circuit of an electronic lock of a charging gun during charging;
fig. 2 is a schematic diagram of the charging gun electronic lock control circuit in a charging stop or power down state.
Detailed Description
The present invention will be further illustrated with reference to the accompanying drawings and specific examples, which are carried out on the premise of the technical solution of the present invention, and it should be understood that these examples are only for illustrating the present invention and are not intended to limit the scope of the present invention.
As shown in fig. 1 and 2, the embodiment of the invention provides a control circuit of an electronic LOCK of a charging gun, the control circuit comprises a relay K0, an energy storage capacitor C0 and an output interface P, the relay K0 comprises a coil, a first single-pole double-throw contact and a second single-pole double-throw contact, the coil comprises a positive terminal 1 and a negative terminal 12, the positive terminal 1 of the coil is connected with a positive line Vin of a power supply, and the negative terminal 12 of the coil is connected with a LOCK control line LOCK. The first single-pole double-throw contact comprises a normally open contact non-common end 8, a common end 9 and a normally closed contact non-common end 10, the second single-pole double-throw contact comprises a normally open contact non-common end 5, a common end 4 and a normally closed contact non-common end 3, and a power supply positive line Vin is connected with the normally open contact non-common end 5 in the first single-pole double-throw contact non-common end 8 and the second single-pole double-throw contact respectively. The output interface P comprises three output terminals which are a first output terminal P1, a second output terminal P2 and a third output terminal P3 respectively, the first output terminal P1 is connected with the common end 9 of the first single-pole double-throw contact, the second output terminal P2 is connected with the negative electrode of the energy storage capacitor CO, the positive electrode of the energy storage capacitor C0 is connected with the common end 4 of the second single-pole double-throw contact, and the third output terminal P3 is connected with the ground GND and the non-common end 3 of the normally closed contact in the second single-pole double-throw contact respectively. A current limiting resistor RO is also connected between the first output terminal P1 and the common terminal 9 of the first single pole double throw contact. A first diode D0 is further provided between the positive power line Vin and the positive terminal 1 of the coil, the first diode D0 is arranged in the forward direction, i.e., the positive electrode of the first diode D0 is connected to the positive power line Vin, and the negative electrode of the first diode D0 is connected to the positive terminal 1 of the coil. A second diode D1 is further arranged between the first diode D0 and the non-common ends 8 and 5 of the normally open contacts in the first single-pole double-throw contact and the second single-pole double-throw contact, the second diode D1 is arranged in the forward direction, the anode of the second diode D1 is connected with the cathode of the first diode D0, and the cathode of the second diode D1 is respectively connected with the non-common ends 8 and 5 of the normally open contacts in the first single-pole double-throw contact and the second single-pole double-throw contact. And a third diode D2, wherein the anode of the third diode D2 is connected to the cathode terminal 12 of the coil, and the cathode thereof is connected to the anode terminal 1 of the coil and the cathode of the first diode D0, respectively.
The working principle is as follows: when the charging gun electronic lock is a magnetic latching electronic lock, the positive pole and the negative pole of the electronic lock are respectively connected with the first output terminal P1 and the third output terminal P3 on the output interface P. During charging, the charging pile control board provides a low-level signal for the electromagnetic LOCK control line LOCK, the 8 pin and the 9 pin of the relay K0 are connected in an attracting mode, and the magnetic latching electronic LOCK is locked to act; when stopping charging or, fill electric pile control panel and provide high level signal to electromagnetic LOCK control line LOCK, 8 feet and the disconnection of 9 feet of relay K0, magnetism keep electronic LOCK unblock.
When the power supply is powered off, the positive power line Vin and the electronic LOCK control line LOCK have no voltage signals, the relay K0 is powered off, the pin 8 and the pin 9 of the relay K0 are disconnected, and the magnetic latching electronic LOCK is unlocked automatically.
When the electronic lock of the charging gun is a pulse electronic lock, the positive electrode and the negative electrode of the electronic lock are respectively connected with the second output terminal P2 and the third output terminal P3 on the output interface P. During charging, the charging pile control board provides a low-level signal for the electromagnetic LOCK control line LOCK, the 4 pins and the 5 pins of the relay K0 are attracted, the energy storage capacitor C0 is charged, and the pulse type electronic LOCK is locked to act; when stopping charging, fill electric pile control panel and provide low level signal to electromagnetic LOCK control line LOCK, the 4 feet and the 5 feet disconnection of relay K0 to 3 feet and the 4 feet actuation of relay K0, energy storage capacitor C0 begins to discharge, drive pulsed electronic LOCK unblock action.
When the power supply is powered off, the positive power line Vin and the electronic LOCK control line LOCK have no voltage signals, the relay K0 is powered off, the pins 3 and 4 of the relay K0 are closed, the energy storage capacitor C0 starts to discharge, and the pulse type electronic LOCK is driven to unlock.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that other parts not specifically described are within the prior art or common general knowledge to those of ordinary skill in the art. Without departing from the principle of the invention, several improvements and modifications can be made, and these improvements and modifications should also be construed as the scope of the invention.
Claims (5)
1. The utility model provides a rifle electronic LOCK control circuit charges, characterized in that, includes a relay (K0), energy storage capacitor (C0) and output interface (P), relay (K0) includes coil, first single-pole double-throw contact and second single-pole double-throw contact, positive terminal (1) and the positive pole line of power (Vin) of coil are connected, and its negative terminal (12) is connected with electronic LOCK control Line (LOCK), the positive pole line of power (Vin) is connected respectively with normally open contact non-common terminal (8, 5) in first single-pole double-throw contact and the second single-pole double-throw contact, output interface (P) includes three output terminal, is first output terminal (P1), second output terminal (P2) and third output terminal (P3) respectively, first output terminal (P1) is connected with common terminal (9) of first single-pole double-throw contact, second output terminal (P2) is connected with the negative pole of energy storage Capacitor (CO), the anode of the energy storage capacitor (C0) is connected with the common end (4) of the second single-pole double-throw contact, and the third output terminal (P3) is respectively connected with the Ground (GND) and the non-common end (3) of the normally closed contact in the second single-pole double-throw contact.
2. The control circuit of the electronic lock of the charge gun according to claim 1, characterized in that a current limiting Resistor (RO) is further connected between the first output terminal (P1) and the common terminal (9) of the first single-pole double-throw contact.
3. The control circuit of the charge gun electronic lock according to claim 1, characterized in that a first diode (D0) is further provided in a forward direction between the positive power supply line (Vin) and the positive terminal (1) of the coil.
4. The control circuit of the charge gun electronic lock according to claim 3, characterized in that a second diode (D1) is further provided in a forward direction between the first diode (D0) and the non-common terminal (8, 5) of the normally open contacts of the first single-pole double-throw contact and the second single-pole double-throw contact.
5. The control circuit of the charge gun electronic lock according to claim 3 or 4, characterized by further comprising a third diode (D2), wherein the anode of the third diode (D2) is connected to the cathode terminal (12) of the coil, and the cathode thereof is connected to the anode terminal (1) of the coil and the cathode of the first diode (D0), respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821781753.0U CN210087019U (en) | 2018-10-31 | 2018-10-31 | Control circuit for electronic lock of charging gun |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821781753.0U CN210087019U (en) | 2018-10-31 | 2018-10-31 | Control circuit for electronic lock of charging gun |
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| Publication Number | Publication Date |
|---|---|
| CN210087019U true CN210087019U (en) | 2020-02-18 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821781753.0U Active CN210087019U (en) | 2018-10-31 | 2018-10-31 | Control circuit for electronic lock of charging gun |
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| CN (1) | CN210087019U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112780118A (en) * | 2020-12-31 | 2021-05-11 | 深圳市光导科技有限公司 | Control device and control method for electromagnetic lock of electric vehicle charging gun |
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2018
- 2018-10-31 CN CN201821781753.0U patent/CN210087019U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112780118A (en) * | 2020-12-31 | 2021-05-11 | 深圳市光导科技有限公司 | Control device and control method for electromagnetic lock of electric vehicle charging gun |
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