CN218940947U - A conversion circuit for filling electric pile - Google Patents
A conversion circuit for filling electric pile Download PDFInfo
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- CN218940947U CN218940947U CN202223231106.1U CN202223231106U CN218940947U CN 218940947 U CN218940947 U CN 218940947U CN 202223231106 U CN202223231106 U CN 202223231106U CN 218940947 U CN218940947 U CN 218940947U
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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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Abstract
The utility model discloses a conversion circuit for a charging pile, which comprises the following components: the electric power control device comprises a relay control circuit module, a capacitor energy storage discharge circuit module, an operational amplifier comparator circuit module and an electromagnetic lock driving circuit module, wherein two ends of the relay control circuit module are respectively and electrically connected with the capacitor energy storage discharge circuit module and the electromagnetic lock driving circuit module, and the operational amplifier comparator circuit module is electrically connected with the electromagnetic lock driving circuit module. According to the utility model, the pulse electromagnetic lock is driven to be opened and closed by converting the input direct current power supply 12V into the power supply with the voltage of +/-12V, so that the pulse electromagnetic lock is automatically opened and closed, and the automatic power gun locking and unlocking gun is completed.
Description
Technical Field
The disclosure relates to the technical field of charging pile circuit systems, and in particular relates to a conversion circuit for a charging pile.
Background
The new energy automobile charging standard requires that the charging gun has a gun locking function. When the electric gun is in a charging state, the gun lock is started to lock the electric gun, so that the danger caused by hot-line gun pulling is prevented, and when the electric gun stops charging, the gun lock is unlocked, and the gun can be pulled at the moment; in order to enable the charging gun to have a gun locking function, a pulse electromagnetic lock is arranged on the internal structure of the electric gun, the gun locking function of the electric gun is realized by controlling the on-off of the electromagnetic lock, and the existing electric gun lacks a circuit for automatically controlling the on-off of the pulse electromagnetic lock.
Disclosure of Invention
The present disclosure provides a conversion circuit for a charging stake to solve the technical problems recognized by the inventors.
The utility model provides a conversion circuit for charging stake, including relay control circuit module, electric capacity energy storage discharge circuit module, operational amplifier comparator circuit module and electromagnetic lock drive circuit module, relay control circuit module both ends respectively with electric capacity energy storage discharge circuit module and electromagnetic lock drive circuit module electricity are connected, operational amplifier comparator circuit module with electromagnetic lock drive circuit module electricity is connected.
Preferably, the relay control circuit comprises a relay K1, one end of the relay K1 is connected with a thermistor R9 and a diode D6 in series, the other end of the relay K1 is connected with the electromagnetic lock driving circuit module, and a public end wiring terminal of the relay K1 is connected with the capacitor energy storage discharging circuit module.
Preferably, the relay K1 is a DPDT switch.
Preferably, the capacitive energy storage and discharge circuit module includes capacitors C1, C1A, C1B, C C and C1D, and the capacitors C1, C1A, C1B, C C and C1D are disposed in parallel with each other.
Preferably, the capacitances C1, C1A, C1B, C C and C1D are 4700uF in size.
Preferably, the electromagnetic lock driving circuit module comprises a connector J1, a first pin and a second pin of the connector J1 are respectively connected with the relay K1, a third pin and a fourth pin are respectively connected with a 12V power supply, the first pin of the connector J1 is connected with one end of a diode D8, the other end of the diode D8 is connected with a source electrode of a MOS tube Q1 and a second pin of the connector J1, a grid electrode of the MOS tube Q1 is connected with one end of a resistor R7, a resistor R8 and a capacitor C4, the other end of the resistor R7 is connected with the operational amplifier comparator circuit module, the other ends of the resistor R8 and the capacitor C4 are grounded, and a drain electrode of the MOS tube Q1 is grounded through the resistor R1.
Preferably, the type of the MOS tube Q1 is STB30NF20, and the type of the connector J1 is CON4.
Preferably, the operational amplifier comparator circuit module includes a chip U1, a 7 th pin of the chip U1 is connected with the resistor R7, a 6 th pin of the chip U1 is connected with a capacitor C2, a resistor R3, a capacitor C3 and one end of a diode D5, another ends of the capacitor C2, the resistor R3, the capacitor C3 and the diode D5 are grounded, a resistor R2 is disposed between the resistor R3 and the capacitor C3, a 5 th pin of the chip U1 is connected with one end of the resistor R5 and one end of the resistor R6, another end of the resistor R5 is connected with one end of the diode D2, another end of the diode D2 is connected with a 6 th pin of the chip U1, a resistor R4 is disposed between the diode D2 and the 6 th pin of the chip U1, another end of the resistor R6 is grounded, a 5 th pin of the chip U1 is connected with one end of the diode D3, and another end of the diode D3 is connected with a 7 th pin of the chip U1.
Preferably, the signal of the chip U1 is LM2094, and the size of the capacitor C2 is 100uF.
The beneficial effects of the present disclosure mainly lie in: when the conversion circuit starts to be powered by 12V, the relay control circuit module is closed, the pulse electromagnetic lock instantly obtains a 12V power supply to finish gun locking action at the moment of power-on through the operational amplifier comparator circuit module and the electromagnetic lock driving circuit module, meanwhile, the capacitor energy storage discharging circuit module starts to charge, and when the 12V power supply is disconnected, the capacitor energy storage discharging circuit module starts to discharge, so that the electromagnetic lock obtains a-12V level signal, and unlocking action is finished. According to the utility model, the pulse electromagnetic lock is driven to be opened and closed by converting the input direct current power supply 12V into the power supply with the voltage of +/-12V, so that the pulse electromagnetic lock is automatically opened and closed, and the automatic power gun locking and unlocking gun is completed.
It is to be understood that both the foregoing general description and the following detailed description are for purposes of example and explanation and are not necessarily limiting of the disclosure. The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate the subject matter of the present disclosure. Meanwhile, the description and drawings are used to explain the principles of the present disclosure.
Drawings
In order to more clearly illustrate the embodiments of the present disclosure or the prior art, the drawings that are required in the detailed description or the prior art will be briefly described, it will be apparent that the drawings in the following description are some embodiments of the present disclosure, and other drawings may be obtained according to the drawings without inventive effort for a person of ordinary skill in the art.
FIG. 1 is a conversion circuit diagram of an embodiment of the present disclosure;
icon: 1-a relay control circuit module; 2-a capacitive energy storage discharge circuit module; 3-an operational amplifier comparator circuit module; 4-electromagnetic lock driving circuit module.
Detailed Description
The following description of the embodiments of the present disclosure will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are some, but not all, of the embodiments of the present disclosure.
Based on the embodiments in this disclosure, all other embodiments that a person of ordinary skill in the art would obtain without making any inventive effort are within the scope of protection of this disclosure.
In the description of the present disclosure, it should be noted that the directions or positional relationships indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present disclosure and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present disclosure. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present disclosure, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the terms in this disclosure will be understood by those of ordinary skill in the art in the specific context.
Examples
As shown in fig. 1, this embodiment provides a conversion circuit for a charging pile, including a relay control circuit module 1, a capacitor energy storage discharging circuit module 2, an operational amplifier comparator circuit module 3 and an electromagnetic lock driving circuit module 4, two ends of the relay control circuit module 1 are respectively electrically connected with the capacitor energy storage discharging circuit module 2 and the electromagnetic lock driving circuit module 4, and the operational amplifier comparator circuit module 3 is electrically connected with the electromagnetic lock driving circuit module 4.
Specifically, the relay control circuit comprises a relay K1, one end of the relay K1 is connected with a thermistor R9 and a diode D6 in series, the other end of the relay K1 is connected with the electromagnetic lock driving circuit module 4, and a public end wiring terminal of the relay K1 is connected with the capacitor energy storage discharging circuit module 2. When the relay K1 is connected with a 12V power supply, the relay K1 is attracted, the pulse type electromagnetic lock obtains 12V voltage at the moment, gun locking action is carried out, when the 12V power supply is disconnected, the relay is disconnected, the pulse type electromagnetic lock obtains-12V voltage at the moment, and the gun locking action is contacted.
Wherein, relay K1 is DPDT switch.
Specifically, the capacitive energy storage discharge circuit module 2 includes capacitors C1, C1A, C1B, C C and C1D, and the capacitors C1, C1A, C1B, C C and C1D are disposed in parallel with each other. The size of the capacitances C1, C1A, C1B, C C and C1D is 4700uF. The capacitor energy storage discharging circuit module 2 formed by connecting a plurality of capacitors in parallel starts to charge when a 12V power supply is connected, and discharges-12V voltage after the power supply is disconnected, so that the pulse electromagnetic lock obtains a-12V level signal, and the unlocking action is completed.
Specifically, the electromagnetic lock driving circuit module 4 includes a connector J1, a first pin and a second pin of the connector J1 are respectively connected with the relay K1, a third pin and a fourth pin are respectively connected with a 12V power supply, the first pin of the connector J1 is connected with one end of a diode D8, the other end of the diode D8 is connected with a source electrode of a MOS tube Q1 and the second pin of the connector J1, a grid electrode of the MOS tube Q1 is connected with one end of a resistor R7, a resistor R8 and a capacitor C4, the other end of the resistor R7 is connected with the operational amplifier comparator circuit module 3, the other ends of the resistor R8 and the capacitor C4 are grounded, and a drain electrode of the MOS tube Q1 is grounded through a resistor R1. The first pin and the second pin of the connector J1 are externally connected with a pulse electromagnetic lock through a relay K1, and the third pin and the fourth pin of the connector J1 are connected with a 12V power supply.
The model of the MOS tube Q1 is STB30NF20, and the model of the connector J1 is CON4.
Specifically, the operational amplifier comparator circuit module 3 includes a chip U1, the 7 th pin of chip U1 with resistance R7 is connected, the 6 th pin of chip U1 is connected with electric capacity C2, resistance R3, electric capacity C3 and diode D5's one end, electric capacity C2, resistance R3, electric capacity C3 and diode D5's the other end ground connection, be provided with resistance R2 between resistance R3 and the electric capacity C3, the 5 th pin of chip U1 is connected with resistance R5 and resistance R6's one end, the other end of resistance R5 is connected with diode D2's one end, diode D2's the other end with chip U1's 6 th pin is connected, diode D2 with be provided with resistance R4 between chip U1's the 6 th pin, the other end ground connection of resistance R6, chip U1's 5 th pin is connected with diode D3's one end, diode D3's the other end with chip U1's 7 th pin is connected.
The signal of the chip U1 is LM2094, and the size of the capacitor C2 is 100uF.
In the moment of power supply, the capacitor C2 stores energy, the voltage of the 6 th pin of the chip U1 is smaller than the voltage of the 12V of the 5 th pin, the 7 th pin outputs high-level driving MOS tube Q1 to be conducted, the pulse electromagnetic lock externally connected with the first pin and the second pin of the connector J1 obtains the voltage of +12V, the pulse electromagnetic lock is attracted, the gun locking action is completed, the power supply stops supplying power, the voltage of the 6 th pin of the chip U1 is higher than the voltage of the 5 th pin, the MOS tube Q1 is disconnected, the capacitor charging and discharging circuit module starts discharging, the pulse electromagnetic lock obtains the level signal of-12V, and the pulse electromagnetic lock is opened to complete the unlocking action.
Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present disclosure, and not for limiting the same; although the present disclosure has been described in detail with reference to the foregoing embodiments, it should be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some or all of the technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit of the corresponding technical solutions from the scope of the technical solutions of the embodiments of the present disclosure.
Claims (9)
1. A conversion circuit for a charging stake, comprising: the electric power control device comprises a relay control circuit module, a capacitor energy storage discharge circuit module, an operational amplifier comparator circuit module and an electromagnetic lock driving circuit module, wherein two ends of the relay control circuit module are respectively and electrically connected with the capacitor energy storage discharge circuit module and the electromagnetic lock driving circuit module, and the operational amplifier comparator circuit module is electrically connected with the electromagnetic lock driving circuit module.
2. The switching circuit for the charging pile according to claim 1, wherein the relay control circuit comprises a relay K1, one end of the relay K1 is connected with a thermistor R9 and a diode D6 in series, the other end of the relay K1 is connected with the electromagnetic lock driving circuit module, and a common terminal of the relay K1 is connected with the capacitor energy storage discharging circuit module.
3. A conversion circuit for a charging pile according to claim 2, wherein the relay K1 is a DPDT switch.
4. A conversion circuit for a charging pile according to claim 3, wherein the capacitive energy storage discharge circuit module comprises capacitors C1, C1A, C1B, C C and C1D, the capacitors C1, C1A, C1B, C1C and C1D being arranged in parallel with each other.
5. The switching circuit for a charging pile according to claim 4, wherein the capacitances C1, C1A, C1B, C C and C1D are 4700uF in size.
6. The conversion circuit for a charging pile according to claim 3, wherein the electromagnetic lock driving circuit module comprises a connector J1, a first pin and a second pin of the connector J1 are respectively connected with the relay K1, a third pin and a fourth pin are respectively connected with a 12V power supply, the first pin of the connector J1 is connected with one end of a diode D8, the other end of the diode D8 is connected with a source electrode of a MOS transistor Q1 and a second pin of the connector J1, a gate electrode of the MOS transistor Q1 is connected with one ends of a resistor R7, a resistor R8 and a capacitor C4, the other end of the resistor R7 is connected with the operational amplifier comparator circuit module, the other ends of the resistor R8 and the capacitor C4 are grounded, and a drain electrode of the MOS transistor Q1 is grounded through the resistor R1.
7. The switching circuit for a charging pile according to claim 6, wherein the MOS transistor Q1 is of a type STB30NF20 and the connector J1 is of a type CON4.
8. The conversion circuit for a charging pile according to claim 7, wherein the operational amplifier comparator circuit module comprises a chip U1, a 7 th pin of the chip U1 is connected with the resistor R7, a 6 th pin of the chip U1 is connected with a capacitor C2, a resistor R3, one end of the capacitor C3 and one end of a diode D5, the other ends of the capacitor C2, the resistor R3, the capacitor C3 and the diode D5 are grounded, a resistor R2 is arranged between the resistor R3 and the capacitor C3, a 5 th pin of the chip U1 is connected with one ends of the resistor R5 and the resistor R6, the other end of the resistor R5 is connected with one end of a diode D2, the other end of the diode D2 is connected with the 6 th pin of the chip U1, a resistor R4 is arranged between the 6 th pin of the chip U1 and the diode D2, the other end of the resistor R6 is grounded, one end of the 5 th pin of the chip U1 is connected with one end of the diode D3, and the other end of the diode D3 is connected with the 6 th pin of the chip U1.
9. The switching circuit for a charging post according to claim 8, wherein the signal of the chip U1 is LM2094 and the capacitor C2 is 100uF.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223231106.1U CN218940947U (en) | 2022-12-03 | 2022-12-03 | A conversion circuit for filling electric pile |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223231106.1U CN218940947U (en) | 2022-12-03 | 2022-12-03 | A conversion circuit for filling electric pile |
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| Publication Number | Publication Date |
|---|---|
| CN218940947U true CN218940947U (en) | 2023-04-28 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202223231106.1U Active CN218940947U (en) | 2022-12-03 | 2022-12-03 | A conversion circuit for filling electric pile |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116885953A (en) * | 2023-07-13 | 2023-10-13 | 广州冠廷机电设备有限公司 | High-voltage conversion circuit |
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2022
- 2022-12-03 CN CN202223231106.1U patent/CN218940947U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116885953A (en) * | 2023-07-13 | 2023-10-13 | 广州冠廷机电设备有限公司 | High-voltage conversion circuit |
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