CN219382251U - Alternating-current reservation charging and vehicle awakening circuit - Google Patents

Alternating-current reservation charging and vehicle awakening circuit Download PDF

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Publication number
CN219382251U
CN219382251U CN202223440519.0U CN202223440519U CN219382251U CN 219382251 U CN219382251 U CN 219382251U CN 202223440519 U CN202223440519 U CN 202223440519U CN 219382251 U CN219382251 U CN 219382251U
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China
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resistor
diode
capacitor
relay
pin
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王宝剑
官平华
刘洁
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Hangzhou Gawa New Energy Technology Co ltd
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Hangzhou Gawa New Energy Technology Co ltd
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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
    • 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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  • Electric Propulsion And Braking For Vehicles (AREA)

Abstract

The utility model discloses an alternating current reserved charging and vehicle awakening circuit, which relates to the technical field of alternating current reserved charging and vehicle awakening, and comprises a guide generating circuit and a guide control circuit, wherein the guide generating circuit comprises a resistor R5, a resistor R6, a resistor R7, a resistor R8, a resistor R9, a resistor R10, a resistor R11, a resistor R12, a capacitor C5, a capacitor C6, a capacitor C7, a capacitor C8, a capacitor C9, an operational amplifier U5, a diode D6, a relay K5, a relay K6, a diode D7, a diode D8, a resistor R13, a resistor R14, a resistor R15, a resistor R16, a diode C10, a diode C11, a triode Q5 and a triode Q6.

Description

Alternating-current reservation charging and vehicle awakening circuit
Technical Field
The utility model relates to the technical field of alternating-current reserved charging and vehicle awakening, in particular to an alternating-current reserved charging and vehicle awakening circuit.
Background
1. Today, the rapid development of technology, automobiles become an indispensable transportation means for people to travel, but the rapid consumption of non-renewable energy sources, so that the electric automobiles with clean energy sources are more and more popular. Some problems still exist in the situation of no pollution of the electric automobile, and the most important is the charging problem of the storage battery.
2. The main defects are as follows: although the high-power charging technology and the full automatic power-off technology are developed relatively mature at present, the electric automobile cannot be reserved for charging, time is wasted, and on the premise that the electric automobile is required to be charged in a trough electricity price time period to save cost, the electric automobile needs to be charged in a point-to-point mode and returned to a parking space. National standard GB/T18487 is followed in China, and because only two signal wires of a CP and a CC are provided, the traditional signal transmission function is not provided, and the reservation charging with low cost cannot be realized.
Disclosure of Invention
The utility model aims to solve the technical problem of providing an alternating current reserved charging and vehicle awakening circuit aiming at the defects of the background technology, realizing reserved charging, and simultaneously realizing awakening of electric automobile charging and guiding control aiming at a charging pile.
The utility model adopts the following technical scheme for solving the technical problems:
an alternating current reserved charging and vehicle awakening circuit comprises a guidance generating circuit and a guidance control circuit; the guiding generation circuit comprises a resistor R5, a resistor R6, a resistor R7, a resistor R8, a resistor R9, a resistor R10, a resistor R11, a resistor R12, a capacitor C5, a capacitor C6, a capacitor C7, a capacitor C8, a capacitor C9, an operational amplifier U5, a diode D5 and a diode D6;
wherein, MCU _ The PWM end is connected with one end of a resistor R5, the other end of the resistor R5 is connected with a pin 3 of an operational amplifier U5, the +3.3V voltage end is connected with one end of a resistor R6, the other end of the resistor R6 is respectively connected with one end of a resistor R8 and a pin 2 of the operational amplifier U5, and the resistor R6 is electrically connected with the output end of the resistor R5The other end of the resistor R8 is grounded, CP _ The OUT end is connected with the anode of the diode D5, the cathode of the diode D5 is connected with one end of a resistor R9, the other end of the resistor R9 is respectively connected with one end of a capacitor C7, one end of a resistor R11 and a pin 5 of an operational amplifier U5, the other end of the capacitor C7 and the other end of the resistor R11 are respectively grounded, a pin 6 of the operational amplifier U5 is respectively connected with the pin 7 of the operational amplifier U5 and one end of a resistor R10, and the other end of the resistor R10 is respectively connected with one end of a resistor R12, one end of the diode D6 and a CAR _ The PWM end, the other end of diode D6 connects +3.3V voltage end and ground connection, the pin 4 of operational amplifier U5 connects one end of electric capacity C8, one end of electric capacity C9, -12V voltage end respectively, the other end of electric capacity C8, the other end of electric capacity C9 are grounded respectively, the pin 1 of operational amplifier U5 connects one end of resistance R7, the other end of resistance R7 connects CP _ And the OUT end, the pin 8 of the operational amplifier U5 is respectively connected with one end of the capacitor C5, one end of the capacitor C6 and the +12V voltage end, and the other end of the capacitor C5 and the other end of the capacitor C6 are respectively grounded.
As a further preferable scheme of the alternating current reserved charging and vehicle awakening circuit, the guiding control circuit comprises a relay K5, a relay K6, a diode D7, a diode D8, a resistor R13, a resistor R14, a resistor R15, a resistor R16, a diode C10, a diode C11, a triode Q5 and a triode Q6;
wherein +5V voltage terminal is respectively connected with cathode of diode D7 and pin 2 of relay K5, and pin 3 of relay K5 is connected with CP _ OUT terminal, pin 1 of relay K5 is connected with CP _ CON end, pin 5 of relay K5 is connected with anode of diode D7 and collector of triode Q5 respectively, base electrode of triode Q5 is connected with one end of resistor R13, one end of resistor R16 and one end of diode C11 respectively, the other end of resistor R16 and the other end of diode C11 are grounded respectively, and the other end of resistor R13 is connected with CP _ The emitter of the triode Q5 is grounded at the RELAY end;
the +5V voltage end is respectively connected with the cathode of the diode D8 and the pin 2 of the relay K6, the pin 3 of the relay K6 is grounded, the pin 5 of the relay K6 is respectively connected with the anode of the diode D8 and the collector of the triode Q6, and the base of the triode Q6 is respectively connected with the anode of the diode D8 and the collector of the triode Q6One end of the resistor R14, one end of the resistor R15 and one end of the diode C10 are connected with the other end of the resistor R15 and the other end of the diode C10 to be grounded respectively, and the other end of the resistor R14 is connected with the CC _ At the RELAY end, the emitter of the triode Q5 is grounded.
As a further preferable mode of the alternating-current reserved charging and vehicle waking circuit of the present utility model, the operational amplifier U5 is a rail-to-rail operational amplifier.
As a further preferable mode of the alternating current reservation charging and vehicle wake-up circuit of the present utility model, the diode D5 is a schottky diode.
As a further preferable mode of the alternating current reservation charging and vehicle waking circuit of the present utility model, the diode D6 is a schottky dual diode.
As a further preferable mode of the alternating-current reserved charging and vehicle waking circuit of the utility model, the diode D7 is a freewheeling diode.
As a further preferable mode of the alternating-current reserved charging and vehicle waking circuit of the utility model, the diode D8 is a freewheeling diode.
As a further preferable scheme of the alternating-current reservation charging and vehicle awakening circuit, the CP-RELAY end and the CC-RELAY end are respectively connected with a singlechip.
As a further preferable mode of the alternating-current reservation charging and vehicle wake-up circuit of the present utility model, the resistor R9 is a voltage dividing resistor.
As a further preferable embodiment of the alternating-current reservation charging and vehicle wake-up circuit of the present utility model, the resistor R11 is a voltage dividing resistor.
Compared with the prior art, the technical scheme provided by the utility model has the following technical effects:
1. the utility model relates to an alternating current reserved charging and vehicle awakening circuit, which comprises a guide generating circuit and a guide control circuit, wherein a circuit provided with a control switch S4 and a control switch S5 is added on the basis of a traditional alternating current charging pile circuit so as to guide and control an alternating current charging pile, thereby realizing a vehicle awakening function;
2. the utility model realizes the reservation charging and the wake-up of the charging of the electric automobile and the guiding control of the charging pile;
3. according to the alternating-current reserved charging and vehicle awakening circuit, the circuits additionally provided with the relay K5 and the relay K6 are additionally arranged on the basis of the traditional alternating-current charging pile circuit, so that the alternating-current charging pile is guided and controlled, and the vehicle awakening function is realized;
4. the singlechip is connected with the positive input end +INA of U5 through a resistor R5, and compared with negative input end-INA voltage formed by resistors of a resistor R6 and a resistor R8, if the +INA end voltage is larger than the-INA end voltage, the operational amplifier OUTA outputs +12V, otherwise outputs-12V, and the OUTA is connected with the CP through a resistor R7 _ OUT；CP _ After OUT passes through the diode D5, only positive voltage +12V can pass through, then the voltage is divided by the resistor R9 and the resistor R11 and then connected with +INB, the voltage amplitude is limited below +3.3V, and then the voltage is connected with the output end OUTB through the R10 _ PWM, single-chip microcomputer AD sampling CAR _ The voltage is calculated after PWM to judge whether the charging connection device is connected, whether the vehicle can be charged or not and other states;
5. the CP of the present utility model _ RELAY、CC _ RELAY is connected with the singlechip and is used as CP _ When RELAY is high, the RELAY K5 is operated, CP _ CON and CP _ OUT is shorted together when CC _ When RELAY is high, the RELAY K6 is operated, CC _ CON is disconnected from GND when CC _ When RELAY is low, the RELAY K6 is not operated, CC _ The CON is shorted to GND.
Drawings
FIG. 1 is a circuit diagram of a pilot generation circuit of the present utility model;
FIG. 2 is a circuit diagram of the pilot control circuit of the present utility model;
fig. 3 is a schematic block diagram of a vehicle wake-up system of the present utility model.
Detailed Description
The technical scheme of the utility model is further described in detail below with reference to the accompanying drawings:
the following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
An alternating current reserved charging and vehicle awakening circuit comprises a guidance generating circuit and a guidance control circuit; the electric vehicle charging system realizes the reservation charging and the waking up of the electric vehicle charging and the guiding control of the charging pile.
As shown in fig. 1, the steering generation circuit includes a resistor R5, a resistor R6, a resistor R7, a resistor R8, a resistor R9, a resistor R10, a resistor R11, a resistor R12, a capacitor C5, a capacitor C6, a capacitor C7, a capacitor C8, a capacitor C9, an operational amplifier U5, a diode D5, and a diode D6;
wherein, MCU _ PWM end is connected with one end of a resistor R5, the other end of the resistor R5 is connected with a pin 3 of an operational amplifier U5, +3.3V voltage end is connected with one end of a resistor R6, the other end of the resistor R6 is respectively connected with one end of a resistor R8 and a pin 2 of the operational amplifier U5, the other end of the resistor R8 is grounded, a CP-OUT end is connected with an anode of a diode D5, a cathode of the diode D5 is connected with one end of a resistor R9, the other end of the resistor R9 is respectively connected with one end of a capacitor C7, one end of a resistor R11 and a pin 5 of the operational amplifier U5, the other end of the capacitor C7 and the other end of the resistor R11 are respectively grounded, a pin 6 of the operational amplifier U5 is respectively connected with one end of the operational amplifier U5 and one end of a resistor R10, and the other end of the resistor R10 is respectively connected with one end of a resistor R12, one end of the diode D6 and CAR _ The PWM end, the other end of diode D6 connects +3.3V voltage end and ground connection, the pin 4 of operational amplifier U5 connects one end of electric capacity C8, one end of electric capacity C9, -12V voltage end respectively, the other end of electric capacity C8, the other end of electric capacity C9 are grounded respectively, the pin 1 of operational amplifier U5 connects one end of resistance R7, the other end of resistance R7 connects CP _ OUT terminal, pin 8 of operational amplifier U5 is connected with capacitor respectivelyOne end of the capacitor C5, one end of the capacitor C6 and the +12V voltage end, and the other end of the capacitor C5 and the other end of the capacitor C6 are respectively grounded.
The singlechip is connected with the positive input end +INA of U5 through a resistor R5, and compared with negative input end-INA voltage formed by resistors of a resistor R6 and a resistor R8, if the +INA end voltage is larger than the-INA end voltage, the operational amplifier OUTA outputs +12V, otherwise outputs-12V, and the OUTA is connected with the CP through a resistor R7 _ OUT；CP _ After OUT passes through the diode D5, only positive voltage +12V can pass through, then the voltage is divided by the resistor R9 and the resistor R11 and then connected with +INB, the voltage amplitude is limited below +3.3V, and then the voltage is connected with the output end OUTB through the R10 _ PWM, single-chip microcomputer AD sampling CAR _ The voltage is calculated after PWM to judge whether the charging connection device is connected, whether the vehicle can be charged or not and other states;
as shown in fig. 2, the steering control circuit includes a relay K5, a relay K6, a diode D7, a diode D8, a resistor R13, a resistor R14, a resistor R15, a resistor R16, a diode C10, a diode C11, a triode Q5, and a triode Q6;
wherein +5V voltage terminal is respectively connected with cathode of diode D7 and pin 2 of relay K5, and pin 3 of relay K5 is connected with CP _ OUT terminal, pin 1 of relay K5 is connected with CP _ CON end, pin 5 of relay K5 is connected with anode of diode D7 and collector of triode Q5 respectively, base electrode of triode Q5 is connected with one end of resistor R13, one end of resistor R16 and one end of diode C11 respectively, the other end of resistor R16 and the other end of diode C11 are grounded respectively, and the other end of resistor R13 is connected with CP _ The emitter of the triode Q5 is grounded at the RELAY end;
the +5V voltage end is respectively connected with the cathode of the diode D8 and the pin 2 of the relay K6, the pin 3 of the relay K6 is grounded, the pin 5 of the relay K6 is respectively connected with the anode of the diode D8 and the collector of the triode Q6, the base of the triode Q6 is respectively connected with one end of the resistor R14, one end of the resistor R15 and one end of the diode C10, the other end of the resistor R15 and the other end of the diode C10 are respectively grounded, and the other end of the resistor R14 is connected with the CC _ At the RELAY end, the emitter of the triode Q5 is grounded.
The CP of the present utility model _ RELAY、CC _ RELAY is connected with the singlechip and is used as CP _ When RELAY is high, the RELAY K5 is operated, CP _ CON and CP _ OUT is shorted together when CC _ When RELAY is high, the RELAY K6 is operated, CC _ CON is disconnected from GND when CC _ When RELAY is low, the RELAY K6 is not operated, CC _ The CON is shorted to GND.
Preferably, the operational amplifier U5 is a rail-to-rail operational amplifier.
Preferably, the diode D5 is a schottky diode.
Preferably, the diode D6 is a schottky dual diode.
Preferably, the diode D7 is a freewheeling diode.
Preferably, the diode D8 is a freewheeling diode.
Preferably, the CP _ RELAY end and CC _ The RELAY ends are respectively connected with the singlechip.
Preferably, the resistor R9 is a voltage dividing resistor.
Preferably, the resistor R11 is a voltage dividing resistor.
As shown in fig. 3, the switch K1 is connected with the live wire of the power supply device and the live wire of the electric automobile, and the switch K2 is connected with the zero wire of the power supply device and the zero wire of the electric automobile; the PWM end of the power supply control device is connected with one end of a resistor R1 through a switch S1, the other end of the resistor R1 is connected with a switch S5, and the other end of the switch S5 is connected with a control guide wire CP of the electric automobile; one end of the switch S4 is connected with the grounding end of the power supply equipment, and the other end of the switch S is used for being connected with a connection confirmation line CC in the electric automobile. Wherein the switch S1 is a normally closed switch, the switch S2 is a normally open switch, the switch S3 is a normally open switch, the switch S4 is a normally closed switch, and the switch S5 is a normally open switch. Wherein the S4 switch corresponds to the K6 relay in the figure (2), the S5 switch corresponds to the K5 relay in the figure (2), and the PWM of the power supply control device corresponds to the CP output by the CP generation circuit _ OUT。
When the charging needs to be reserved, inputting reserved starting time on a man-machine interaction interface of the alternating-current charging pile, and then clicking and starting; when the reserved time is reached, the AC charging pile charging controller detects that the current is in a lower electricity price stage, the power supply control device opens the switch S4 and the switch S5, the switch S4 and the switch S5 are closed again after 3 seconds of time delay, and when the power supply control device detects that the voltage of the detection point 1 is not 12V, the switch S1 is switched to be connected with the PWM end of the power supply control device, and a PWM signal is sent out; the power supply control device detects that an effective PWM signal appears at a detection point 1, and closes a switch K1 and a switch K2 to switch on the power input of a vehicle-mounted charger of the electric automobile; after the charging is finished, when the power supply control device detects that the voltage of the detection point 1 is not 6V, the power supply control device cuts off the K1 and the switch K2, and cuts off the power supply input of the vehicle-mounted charger of the electric automobile.
The electric vehicle charging system realizes the reservation charging and the waking up of the electric vehicle charging and the guiding control of the charging pile.
Compared with the prior art, the advantage of this application lies in: the alternating-current charging pile is additionally provided with a circuit for controlling the switch S4 and the switch S5 on the basis of a traditional alternating-current charging pile circuit so as to conduct guiding control on the alternating-current charging pile, and therefore a vehicle awakening function is achieved.
While certain exemplary embodiments of the present utility model have been described above by way of illustration only, it will be apparent to those of ordinary skill in the art that modifications may be made to the described embodiments in various different ways without departing from the spirit and scope of the utility model. Accordingly, the drawings and description are to be regarded as illustrative in nature and not as restrictive of the scope of the utility model, which is defined by the appended claims.

Claims (10)

1. An alternating current reservation charging and vehicle awakening circuit is characterized in that: comprises a pilot generation circuit and a pilot control circuit; the guiding generation circuit comprises a resistor R5, a resistor R6, a resistor R7, a resistor R8, a resistor R9, a resistor R10, a resistor R11, a resistor R12, a capacitor C5, a capacitor C6, a capacitor C7, a capacitor C8, a capacitor C9, an operational amplifier U5, a diode D5 and a diode D6;
wherein the MCU-PWM end is connected with one end of a resistor R5, and the other end of the resistor R5 is connected with an operational amplifierThe pin 3 of U5, +3.3V voltage end connects one end of resistor R6, the other end of resistor R6 connects one end of resistor R8 and pin 2 of operational amplifier U5 respectively, the other end of resistor R8 is grounded, CP-OUT end connects the positive pole of diode D5, the negative pole of diode D5 connects one end of resistor R9, the other end of resistor R9 connects one end of capacitor C7 respectively, one end of resistor R11 and pin 5 of operational amplifier U5 respectively, the other end of capacitor C7 and the other end of resistor R11 are grounded respectively, pin 6 of operational amplifier U5 connects pin 7 of operational amplifier U5 respectively and one end of resistor R10 respectively, the other end of resistor R10 connects one end of resistor R12, one end of diode D6 and CAR_PWM end respectively, the other end of diode D6 connects +3.3V voltage end and ground, pin 4 of operational amplifier U5 connects one end of capacitor C8 respectively, one end of capacitor C9, -12V voltage end, the other end of capacitor C8, the other end of capacitor C9 connects one end of capacitor C9 respectively to ground, the other end of resistor C7 connects one end of resistor C7 to one end of operational amplifier U7 respectively, the other end of resistor C7 connects one end of resistor R7 to the resistor R7 _ And the OUT end, the pin 8 of the operational amplifier U5 is respectively connected with one end of the capacitor C5, one end of the capacitor C6 and the +12V voltage end, and the other end of the capacitor C5 and the other end of the capacitor C6 are respectively grounded.
2. The ac subscription charging and vehicle wake-up circuit of claim 1, wherein: the guiding control circuit comprises a relay K5, a relay K6, a diode D7, a diode D8, a resistor R13, a resistor R14, a resistor R15, a resistor R16, a diode C10, a diode C11, a triode Q5 and a triode Q6;
the +5V voltage end is respectively connected with the cathode of the diode D7 and the pin 2 of the RELAY K5, the pin 3 of the RELAY K5 is connected with the CP_OUT end, the pin 1 of the RELAY K5 is connected with the CP_CON end, the pin 5 of the RELAY K5 is respectively connected with the anode of the diode D7 and the collector of the triode Q5, the base of the triode Q5 is respectively connected with one end of the resistor R13, one end of the resistor R16 and one end of the diode C11, the other end of the resistor R16 and the other end of the diode C11 are respectively grounded, the other end of the resistor R13 is connected with the CP_RELAY end, and the emitter of the triode Q5 is grounded;
the +5V voltage end is respectively connected with the cathode of the diode D8 and the pin 2 of the RELAY K6, the pin 3 of the RELAY K6 is grounded, the pin 5 of the RELAY K6 is respectively connected with the anode of the diode D8 and the collector of the triode Q6, the base of the triode Q6 is respectively connected with one end of the resistor R14, one end of the resistor R15 and one end of the diode C10, the other end of the resistor R15 and the other end of the diode C10 are respectively grounded, the other end of the resistor R14 is connected with the CC_RELAY end, and the emitter of the triode Q5 is grounded.
3. The ac subscription charging and vehicle wake-up circuit of claim 1, wherein: the operational amplifier U5 is a rail-to-rail operational amplifier.
4. The ac subscription charging and vehicle wake-up circuit of claim 1, wherein: the diode D5 is a schottky diode.
5. The ac subscription charging and vehicle wake-up circuit of claim 1, wherein: the diode D6 is a schottky dual diode.
6. An ac subscription charging and vehicle wake-up circuit as defined in claim 2 wherein: the diode D7 is a freewheeling diode.
7. An ac subscription charging and vehicle wake-up circuit as defined in claim 2 wherein: the diode D8 is a freewheeling diode.
8. The ac subscription charging and vehicle wake-up circuit of claim 1, wherein: the CP _ RELAY end and CC _ The RELAY ends are respectively connected with the singlechip.
9. The ac subscription charging and vehicle wake-up circuit of claim 1, wherein: the resistor R9 is a voltage dividing resistor.
10. The ac subscription charging and vehicle wake-up circuit of claim 1, wherein: the resistor R11 is a voltage dividing resistor.
CN202223440519.0U 2022-12-22 2022-12-22 Alternating-current reservation charging and vehicle awakening circuit Active CN219382251U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202223440519.0U CN219382251U (en) 2022-12-22 2022-12-22 Alternating-current reservation charging and vehicle awakening circuit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202223440519.0U CN219382251U (en) 2022-12-22 2022-12-22 Alternating-current reservation charging and vehicle awakening circuit

Publications (1)

Publication Number Publication Date
CN219382251U true CN219382251U (en) 2023-07-21

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CN202223440519.0U Active CN219382251U (en) 2022-12-22 2022-12-22 Alternating-current reservation charging and vehicle awakening circuit

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Country Link
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