CN214330260U - Control device for electromagnetic lock of charging gun - Google Patents
Control device for electromagnetic lock of charging gun Download PDFInfo
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- CN214330260U CN214330260U CN202023323216.1U CN202023323216U CN214330260U CN 214330260 U CN214330260 U CN 214330260U CN 202023323216 U CN202023323216 U CN 202023323216U CN 214330260 U CN214330260 U CN 214330260U
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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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Abstract
The utility model discloses a charging gun electromagnetic lock control device, which comprises an electromagnetic lock drive signal first control module, an electromagnetic lock drive signal second control module, a relay control circuit and an electromagnetic lock drive control circuit, wherein the electromagnetic lock drive control circuit comprises a charging energy storage sub-circuit and an electromagnetic lock control sub-circuit which are used for providing power for the automatic unlocking of the charging gun electromagnetic lock when power failure or fault setting occurs, the electromagnetic lock control sub-circuit automatically and reversely conducts a power control electromagnetic lock control coil L1 provided by the charging energy storage sub-circuit to automatically unlock the charging gun electromagnetic lock, the damage of any single device in the electromagnetic lock of the charging gun electromagnetic lock control device can not lead to the long-time electrification of the electromagnetic lock, thereby avoiding the damage or power short circuit of the electromagnetic lock caused by long-time electrification and avoiding potential safety hazards, the electromagnetic lock can be controlled to automatically unlock under the condition of power failure or equipment failure, and the unlocking can be avoided being directly operated by hands.
Description
Technical Field
The utility model relates to a technical field that charges especially relates to a rifle electromagnetic lock control device charges.
Background
The existing charging gun electromagnetic lock has the following problems and disadvantages in the actual use process: charging rifle electromagnetic lock moves device and has strict requirement to drive current and time, in the reality because the damage of components and parts or other reasons, probably cause long-time circular telegram, can cause the electromagnetic lock to damage, the damage of the single device of electromagnetic lock drive circuit, can cause the long-time power supply of charging rifle electromagnetic lock, thereby cause the damage of coil temperature rising electromagnetic lock, and cause the power supply short circuit and arouse the potential safety hazard, the electromagnetic lock is in the in-service use, because the power failure, or reason such as equipment trouble causes the outage, the electromagnetic lock still keeps the locking state, must start emergent unlocking device by people's direct operation.
The charging gun electromagnetic lock control device and the control method have the advantages that any single device in the electromagnetic lock cannot be damaged to be electrified for a long time, so that the electromagnetic lock is prevented from being damaged or short-circuited due to long-time electrification, potential safety hazards are avoided, the reliability is high, the electromagnetic lock can be controlled to be automatically unlocked under the condition of power failure or equipment failure, and the situation that manual direct operation for unlocking is required is avoided.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is to provide a rifle electromagnetic lock control device charges, the damage of arbitrary single device can not lead to for a long time the circular telegram of electromagnetic lock in this rifle electromagnetic lock control device's the electromagnetic lock that charges to avoid long-time circular telegram and cause the damage or the power short circuit of electromagnetic lock, stop the potential safety hazard, the reliability is high, can control the electromagnetic lock and carry out automatic unblock and avoid needing staff direct operation unblock under outage or the equipment trouble condition.
In order to solve the technical problem, the utility model provides a charging gun electromagnetic lock control device, including electromagnetic lock drive signal first control module and electromagnetic lock drive signal second control module, with the electromagnetic lock drive signal first control module and electromagnetic lock drive signal second control module be connected be used for through controlling electromagnetic lock positive and negative relay lock the electromagnetic lock carry out the lock rifle and unblock relay control circuit, with the electromagnetic lock drive control circuit connection of relay control circuit; the electromagnetic lock drive control circuit is connected with the rifle electromagnetic lock that charges, electromagnetic lock drive control circuit including be used for having a power failure or set up the automatic unblock of rifle electromagnetic lock for charging when the trouble provide the energy storage sub-circuit that charges of power and control the electromagnetic lock control sub-circuit of rifle and unblock respectively through electromagnetic lock control coil forward reverse switch-on, when having a power failure or set up the trouble, electromagnetic lock control sub-circuit carries out automatic unblock to the rifle electromagnetic lock that charges through the automatic reverse switch-on of power control electromagnetic lock control coil L1 that the energy storage sub-circuit that charges provided.
Preferably, the charging energy storage sub-circuit comprises an energy storage capacitor C1 and a diode D3 for preventing the energy storage capacitor C1 from discharging reversely when the components are powered off due to faults, and the energy storage capacitor C1 is connected with the charging power supply through a protection diode D3.
Preferably, the electromagnetic lock control coil L1 is connected to the energy storage capacitor C1 through a surge voltage absorption circuit for preventing a surge signal caused by switching a relay coil from damaging a circuit device.
Preferably, the surge voltage absorption circuit includes a first absorption diode D4, a second absorption diode D5, a third absorption diode D6 and a fourth absorption diode D7, an input end of the first absorption diode D4 and an output end of the third absorption diode D6 are connected to a forward input end of the electromagnetic lock control coil L1, an output end of the fourth absorption diode D7 and an input end of the second absorption diode D5 are connected to a reverse input end of the electromagnetic lock control coil L1, an output end of the first absorption diode D4 and an output end of the second absorption diode D5 are connected, and an input end of the third absorption diode D6 is connected to an input end of the fourth absorption diode D7.
Preferably, the energy storage capacitor C1 is also connected in series with current limiting resistors R2 and R3 for limiting the working current and the electric quantity of the power supply connected to the electromagnetic lock coil when the component fails, so as to avoid the temperature rise caused by the long-time operation of the electromagnetic lock coil.
Preferably, the relay control circuit comprises a forward control relay RL1 and a reverse control relay RL2, a contact RL1B of the forward control relay RL1 is connected with a forward end of the electromagnetic lock control coil L1, a contact RL2B of the reverse control relay RL2 is connected with a reverse end of the charging gun electromagnetic lock control coil L1, the electromagnetic lock driving signal first control module is connected with a coil RL1A of the forward control relay RL1, the electromagnetic lock driving signal second control module is connected with a coil RL2A of the reverse control relay RL2, and the electromagnetic lock driving signal first control module is used for outputting a driving signal of a coil RL1A of the forward control relay RL 1; the electromagnetic lock driving signal second control module is used for outputting a driving signal of a coil RL2A of a reverse control relay RL 2.
Preferably, the electromagnetic lock driving signal first control module comprises a first signal input end and a first triode Q1, the signal input end is connected with the base electrode of a first triode Q1, and the collector electrode of the first triode Q1 is connected with a coil RL1A of the forward control relay RL 1.
Preferably, the electromagnetic lock driving signal second control module comprises a second signal input end, a second triode Q2 and a third triode Q3, the second signal input end is connected with the base of the second triode Q2, the collector of the second triode Q2 is connected with the power supply, the base of the third triode Q3 is connected with the connecting line between the second triode Q2 and the power supply, and the collector of the third triode Q3 is connected with the coil RL2A of the reverse control relay RL 2.
Preferably, the electromagnetic lock control coil L1 is further connected in parallel with a fifth absorption diode for absorbing a voltage spike generated at two ends of the coil when the electromagnetic lock coil is controlled to be switched on and off and protecting components.
After the control device is adopted, the charging gun electromagnetic lock control device comprises an electromagnetic lock drive signal first control module and an electromagnetic lock drive signal second control module, a relay control circuit which is connected with the electromagnetic lock drive signal first control module and the electromagnetic lock drive signal second control module and used for locking and unlocking the electromagnetic lock through controlling a forward and reverse relay of the electromagnetic lock, and an electromagnetic lock drive control circuit which is connected with the relay control circuit, wherein the electromagnetic lock drive control circuit comprises a charging energy storage sub-circuit which is used for providing power for the automatic unlocking of the charging gun electromagnetic lock when power failure or fault is set, and an electromagnetic lock control sub-circuit which controls the charging gun electromagnetic lock gun and unlocking respectively through the forward and reverse conduction of an electromagnetic lock control coil, and when the power failure or the fault is set, the electromagnetic lock control sub-circuit controls the automatic reverse conduction of the electromagnetic lock control coil L1 through the power supply provided by the charging energy storage sub-circuit to automatically and reversely conduct the charging gun lock The unlocking device has the advantages that the unlocking is realized, the damage to any single device in the electromagnetic lock of the charging gun electromagnetic lock control device cannot lead to the long-time electrification of the electromagnetic lock, so that the damage or power short circuit of the electromagnetic lock caused by the long-time electrification is avoided, the potential safety hazard is avoided, the reliability is high, the electromagnetic lock can be controlled to be automatically unlocked under the condition of power failure or equipment failure, and the unlocking can be directly operated by hands.
Drawings
Fig. 1 is an overall circuit connection diagram of the charging gun electromagnetic lock control device of the present invention;
fig. 2 is a connection diagram of an electromagnetic lock drive control circuit of the charging gun electromagnetic lock control device of the present invention;
fig. 3 is a circuit diagram of the first control module of the driving signal of the electromagnetic lock of the present invention;
fig. 4 is a circuit diagram of the second control module of the driving signal of the electromagnetic lock of the present invention;
fig. 5 is a circuit diagram of the relay control circuit and the electromagnetic lock driving control circuit of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Example one
Referring to fig. 1, fig. 2, fig. 3 and fig. 4, fig. 1 is an overall circuit connection diagram of the charging gun electromagnetic lock control device according to the present invention; fig. 2 is a connection diagram of an electromagnetic lock drive control circuit of the charging gun electromagnetic lock control device of the present invention; fig. 3 is a circuit diagram of the first control module of the driving signal of the electromagnetic lock of the present invention; fig. 4 is a circuit diagram of the second control module of the driving signal of the electromagnetic lock of the present invention; in this embodiment, a charging gun electromagnetic lock control device includes an electromagnetic lock driving signal first control module 10 and an electromagnetic lock driving signal second control module 11, a relay control circuit 12 connected to the electromagnetic lock driving signal first control module 10 and the electromagnetic lock driving signal second control module 11 and used for locking and unlocking an electromagnetic lock by controlling a forward and reverse relay of the electromagnetic lock, and an electromagnetic lock driving control circuit 13 connected to the relay control circuit 12; the electromagnetic lock drive control circuit 13 is connected with the gun electromagnetic lock 14 that charges, and the electromagnetic lock drive control circuit 13 is including being used for having a power failure or setting up the electromagnetic lock control sub-circuit 132 that controls the gun that charges and unblock respectively through electromagnetic lock control coil forward and reverse conduction for the automatic unblock energy storage sub-circuit 131 that charges that provides of gun electromagnetic lock when the trouble, when having a power failure or setting up the trouble, electromagnetic lock control sub-circuit 132 carries out automatic unblock to the gun electromagnetic lock that charges through the automatic reverse conduction of power control electromagnetic lock control coil L1 that the energy storage sub-circuit 131 that charges provided.
In this embodiment, referring to fig. 5, the charging energy storage sub-circuit 131 includes an energy storage capacitor C1 and a diode D3 for preventing the energy storage capacitor C1 from discharging reversely when the device is powered off due to a fault, the energy storage capacitor C1 is connected to the charging power supply through a protection diode D3, the 12V power supply charges and stores energy for the energy storage capacitor C1 through the diode D3, the resistor R2 and the resistor R3, and the diode D3 is used for preventing the energy storage capacitor C1 from discharging reversely when the device is powered off due to a fault.
In the present embodiment, the electromagnetic lock control coil L1 is connected to the energy storage capacitor C1 through a surge voltage absorption circuit for preventing a surge signal caused by switching the relay coil from damaging the circuit devices.
The surge voltage absorption circuit comprises a first absorption diode D4, a second absorption diode D5, a third absorption diode D6 and a fourth absorption diode D7, the input end of the first absorption diode D4 and the output end of the third absorption diode D6 are connected with the forward input end of the electromagnetic lock control coil L1, the output end of the fourth absorption diode D7 and the input end of the second absorption diode D5 are connected with the reverse input end of the electromagnetic lock control coil L1, the output end of the first absorption diode D4 and the output end of the second absorption diode D5 are connected, and the input end of the third absorption diode D6 is connected with the input end of the fourth absorption diode D7.
In this embodiment, the energy storage capacitor C1 is also connected in parallel with a current limiting resistor R2 and a current limiting resistor R3 that are used for limiting the working current and the electric quantity of the power supply accessing the electromagnetic lock coil when the component is in a fault, thereby avoiding the temperature rise caused by the long-time work of the electromagnetic lock coil, the resistor R1 is used for discharging for the capacitor under the condition of normal shutdown, the current limiting resistors R2 and R3 and the energy storage capacitor C1 are used, when the component is in a fault, the working current and the electric quantity of the 12V power supply voltage accessing the electromagnetic lock coil are limited, the temperature rise caused by the long-time work of the electromagnetic lock coil is avoided, and thereby the electromagnetic lock is protected.
In this embodiment, the relay control circuit 12 includes a forward control relay RL1 and a reverse control relay RL2, a contact RL1B of the forward control relay RL1 is connected to a forward end of the electromagnetic lock control coil L1, a contact RL2B of the reverse control relay RL2 is connected to a reverse end of the charging gun electromagnetic lock control coil L1, the electromagnetic lock driving signal first control module is connected to a coil RL1A of the forward control relay RL1, the electromagnetic lock driving signal second control module is connected to a coil RL2A of the reverse control relay RL2, and the electromagnetic lock driving signal first control module is used for outputting a driving signal of a coil RL1A of the forward control relay RL 1; the electromagnetic lock driving signal second control module is used for outputting a driving signal of a coil RL2A of a reverse control relay RL 2.
In this embodiment, the first control module 10 of the electromagnetic lock driving signal includes a first signal input terminal, a first transistor Q1, the signal input terminal is connected to the base of a first transistor Q1, and the collector of the first transistor Q1 is connected to the coil RL1A of the forward control relay RL 1.
The electromagnetic lock driving signal second control module 11 comprises a second signal input end, a second triode Q2 and a third triode Q3, the second signal input end is connected with the base of the second triode Q2, the collector of the second triode Q2 is connected with a power supply, the base of the third triode Q3 is connected with a connecting wire between the second triode Q2 and the power supply, and the collector of the third triode Q3 is connected with a coil RL2A of the reverse control relay RL 2.
In this embodiment, a fifth absorption diode is further connected in parallel to the electromagnetic lock control coil L1 for absorbing a voltage spike generated at two ends of the coil when the electromagnetic lock coil is controlled to be turned on and off and protecting components.
Example two
The embodiment discloses a control method applied to a charging gun electromagnetic lock control device in the first embodiment, wherein the relay control circuit comprises a forward control relay RL1 and a reverse control relay RL2, a contact RL1B of the forward control relay RL1 is connected with a forward end of an electromagnetic lock control coil L1, a contact RL2B of the reverse control relay RL2 is connected with a reverse end of the charging gun electromagnetic lock control coil L1, an electromagnetic lock driving signal first control module is connected with a coil RL1A of the forward control relay RL1, an electromagnetic lock driving signal second control module is connected with a coil RL2A of the reverse control relay RL2, and the electromagnetic lock driving signal first control module is used for outputting a driving signal of a coil RL1A of the forward control relay RL 1; the electromagnetic lock driving signal second control module is used for outputting a driving signal of a coil RL2A of a reverse control relay RL 2;
the control method comprises the following steps: the first control module of the electromagnetic lock driving signal controls a coil RL1A of a forward control relay RL1 to be conducted, a coil RL1A controls a contact RL1B of the forward control relay RL1 to be conducted by switching from a normally closed contact to a normally open contact, the second control module controls a coil RL2A of a reverse control relay RL2 to be conducted, a coil RL2A controls a contact RL2B of the reverse control relay RL2 to be conducted by switching from the normally closed contact to the normally open contact, and the charging gun electromagnetic lock locks a gun;
the first control module of the electromagnetic lock driving signal controls a coil RL1A of a forward control relay RL1 to be powered off, a contact RL1B of a forward control relay RL1 is switched from a normally open contact to a normally closed contact to be powered on, the second control module controls a coil RL2A of a reverse control relay RL2 to be powered off, a contact RL2B of a reverse control relay RL2 is switched from the normally open contact to the normally closed contact to be powered on, and the electromagnetic lock of the charging gun is unlocked;
the signal input end of the first control module 10 of the driving signal of the electromagnetic lock inputs high level, the signal input end of the second control module 11 of the driving signal of the electromagnetic lock inputs low level, which is the signal of the gun locking of the electromagnetic lock,
the signal input end of the first control module 10 of the electromagnetic lock driving signal inputs a low level, the signal input end of the second control module 11 of the electromagnetic lock driving signal inputs a high level, namely an electromagnetic lock unlocking signal,
when the two driving signals are high or low at the same time, the electromagnetic lock does not work, but the circuit device cannot be damaged.
When the signal input end of the first control module 10 of the driving signal of the electromagnetic lock is in a high level, the triode Q1 is switched on, the coil RL1A of the forward control relay RL1 is controlled to supply power for the first control module of the driving signal of the electromagnetic lock, and the relay contact RL1B is switched from a normally closed contact conduction state to a normally open contact conduction state.
When the signal input end of the first control module 10 of the electromagnetic lock driving signal is at a low level, the relay contact RL1B is switched from a normally open contact conducting state to a normally closed contact conducting state.
When the signal input end of the electromagnetic lock driving signal second control module 11 inputs a high level, the triode Q2 is connected, the triode Q3 is disconnected, the coil RL2A of the reverse control relay RL2 is powered off, and the relay contact RL2B is switched to a normally closed contact conduction state by a normally open contact.
When the signal input end of the electromagnetic lock driving signal second control module 11 inputs a low level, the triode Q2 is turned off, the triode Q3 is turned on, the coil RL2A of the reverse control relay RL2 supplies power, and the relay contact RL2B is switched to a normally open contact conduction state by a normally closed contact.
An electromagnetic lock drive control circuit 13;
when the driving signal is in the gun locking state, the normally open contact of the relay contact RL1B and the normally open contact of the relay contact RL2B are conducted, power is supplied to the electromagnetic lock control coil L1 in the forward direction, and the electromagnetic lock locks the gun.
When the driving signal is in an unlocking state, the relay contact RL1B normally-closed contact and the RL2B normally-closed contact are conducted to supply power to the electromagnetic lock control coil L1 in a reverse direction, and the electromagnetic lock is unlocked.
The charging energy storage sub-circuit comprises an energy storage capacitor C1 and a diode D3 for preventing the energy storage capacitor C1 from reversely discharging when the components are in failure and power failure, and the energy storage capacitor C1 is connected with a charging power supply through a protection diode D3; the control method further comprises the following steps:
when power failure or equipment failure power failure occurs, the contact RL1B of the forward control relay RL1 and the contact RL2B of the reverse control relay RL2 are automatically switched to a normally closed contact conduction state, and the electromagnetic lock control sub-circuit controls the electromagnetic lock control coil L1 to be automatically conducted in the reverse direction through the power supply provided by the energy storage capacitor C1 so as to automatically unlock the electromagnetic lock of the charging gun.
The utility model discloses the damage of arbitrary single device in this rifle electromagnetic lock control device's that charges electromagnetic lock can not lead to long-time for the electromagnetic lock circular telegram to avoid long-time circular telegram and cause the damage or the power short circuit of electromagnetic lock, stop the potential safety hazard, the reliability is high, can control the electromagnetic lock and carry out automatic unblock and avoid needing staff direct operation unblock under outage or the equipment trouble condition.
It should be understood that the above is only a preferred embodiment of the present invention, and the scope of the present invention is not limited thereto, and all the equivalent structures or equivalent flow changes made by the contents of the specification and the drawings or directly or indirectly applied to other related technical fields are also included in the scope of the present invention.
Claims (9)
1. The utility model provides a rifle electromagnetic lock control device charges which characterized in that: the electromagnetic lock unlocking device comprises an electromagnetic lock driving signal first control module, an electromagnetic lock driving signal second control module, a relay control circuit and an electromagnetic lock driving control circuit, wherein the relay control circuit is connected with the electromagnetic lock driving signal first control module and the electromagnetic lock driving signal second control module and is used for locking and unlocking an electromagnetic lock by controlling a forward relay and a reverse relay of the electromagnetic lock; the electromagnetic lock drive control circuit is connected with the rifle electromagnetic lock that charges, electromagnetic lock drive control circuit including be used for having a power failure or set up the automatic unblock of rifle electromagnetic lock for charging when the trouble provide the energy storage sub-circuit that charges of power and control the electromagnetic lock control sub-circuit of rifle and unblock respectively through electromagnetic lock control coil forward reverse switch-on, when having a power failure or set up the trouble, electromagnetic lock control sub-circuit carries out automatic unblock to the rifle electromagnetic lock that charges through the automatic reverse switch-on of power control electromagnetic lock control coil L1 that the energy storage sub-circuit that charges provided.
2. The control device of the electromagnetic lock of the charging gun according to claim 1, characterized in that: the charging energy storage sub-circuit comprises an energy storage capacitor C1 and a diode D3 used for preventing the energy storage capacitor C1 from reversely discharging when the elements are in failure and power failure, and the energy storage capacitor C1 is connected with a charging power supply through a protection diode D3.
3. The control device of the electromagnetic lock of the charging gun according to claim 2, characterized in that:
the electromagnetic lock control coil L1 is connected with the energy storage capacitor C1 through a surge voltage absorption circuit for preventing a surge signal caused by switching a relay coil from damaging circuit devices.
4. The control device of the electromagnetic lock of the charging gun according to claim 3, characterized in that:
the surge voltage absorption circuit comprises a first absorption diode D4, a second absorption diode D5, a third absorption diode D6 and a fourth absorption diode D7, the input end of the first absorption diode D4 and the output end of the third absorption diode D6 are connected with the forward input end of the electromagnetic lock control coil L1, the output end of the fourth absorption diode D7 and the input end of the second absorption diode D5 are connected with the reverse input end of the electromagnetic lock control coil L1, the output end of the first absorption diode D4 and the output end of the second absorption diode D5 are connected, and the input end of the third absorption diode D6 is connected with the input end of the fourth absorption diode D7.
5. The control device of the electromagnetic lock of the charging gun according to claim 2, characterized in that: and the energy storage capacitor C1 is also connected in series with current limiting resistors R2 and R3 which are used for limiting the working current and the electric quantity of a power supply connected to the electromagnetic lock coil when the component fails so as to avoid the temperature rise caused by the long-time work of the electromagnetic lock coil.
6. The control device of the electromagnetic lock of the charging gun according to claim 1, characterized in that: the relay control circuit comprises a forward control relay RL1 and a reverse control relay RL2, a contact RL1B of the forward control relay RL1 is connected with a forward end of an electromagnetic lock control coil L1, a contact RL2B of the reverse control relay RL2 is connected with a reverse end of a charging gun electromagnetic lock control coil L1, a first electromagnetic lock driving signal control module is connected with a coil RL1A of the forward control relay RL1, a second electromagnetic lock driving signal control module is connected with a coil RL2A of the reverse control relay RL2, and the first electromagnetic lock driving signal control module is used for outputting a driving signal of a coil RL1A of the forward control relay RL 1; the electromagnetic lock driving signal second control module is used for outputting a driving signal of a coil RL2A of a reverse control relay RL 2.
7. The control device of the electromagnetic lock of the charging gun according to claim 6, characterized in that:
the electromagnetic lock driving signal first control module comprises a first signal input end and a first triode Q1, the signal input end is connected with the base electrode of a first triode Q1, and the collector electrode of the first triode Q1 is connected with a coil RL1A of the forward control relay RL 1.
8. The control device of the electromagnetic lock of the charging gun according to claim 6, characterized in that:
the electromagnetic lock driving signal second control module comprises a second signal input end, a second triode Q2 and a third triode Q3, the second signal input end is connected with the base of a second triode Q2, the collector of the second triode Q2 is connected with a power supply, the base of the third triode Q3 is connected with a connecting wire between a second triode Q2 and the power supply, and the collector of the third triode Q3 is connected with a coil RL2A of the reverse control relay RL 2.
9. The control device of the electromagnetic lock of the charging gun according to claim 1, characterized in that: and a fifth absorption diode which is used for absorbing peaks generated at two ends of the coil when the electromagnetic lock coil is controlled to be switched on and switched off and protecting components is also connected in parallel to the electromagnetic lock control coil L1.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202023323216.1U CN214330260U (en) | 2020-12-31 | 2020-12-31 | Control device for electromagnetic lock of charging gun |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202023323216.1U CN214330260U (en) | 2020-12-31 | 2020-12-31 | Control device for electromagnetic lock of charging gun |
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| CN214330260U true CN214330260U (en) | 2021-10-01 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112709502A (en) * | 2020-12-31 | 2021-04-27 | 深圳市光导科技有限公司 | Control device and control method for electromagnetic lock of charging gun |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112709502A (en) * | 2020-12-31 | 2021-04-27 | 深圳市光导科技有限公司 | Control device and control method for electromagnetic lock of charging gun |
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| GR01 | Patent grant |