CN221023343U

CN221023343U - Charger capable of automatically charging in off-peak electricity period

Info

Publication number: CN221023343U
Application number: CN202322506211.XU
Authority: CN
Inventors: 钱秀美
Original assignee: Individual
Current assignee: Individual
Priority date: 2023-09-14
Filing date: 2023-09-14
Publication date: 2024-05-28
Anticipated expiration: 2033-09-14

Abstract

The utility model discloses a charger capable of automatically charging in a valley electricity period, which comprises a charging circuit system; a direct current input/output module; a time control module; a main control module U1; a charging time adjusting key; a display screen 5; the input/output module comprises a direct current input bit and a direct current output bit, the control end of the direct current input/output module is connected with the control end of the main control module, the direct current input bit is electrically connected with the direct current output end of the charging circuit system, and the digital display screen LED5, the time information output end of the time control module and the charging time adjusting key are respectively connected with and controlled by the main control module. The direct current is controlled to be conducted or disconnected according to the timing time, the direct current output module can be in a disconnected state in the peak electricity price period, and the direct current output bit is in a conducting state when the peak electricity price period is reached, so that the electric vehicle is charged, the charging cost is greatly reduced when a user charges, and the practicality is improved.

Description

Charger capable of automatically charging in off-peak electricity period

Technical Field

The utility model relates to the technical field of electric vehicle charging, in particular to a charger capable of automatically charging in a valley electricity period.

Background

At present, an electric vehicle is provided with a corresponding charger, a charging circuit system is arranged in the charger, the electric vehicle is like an electric automobile or a new energy electric vehicle, when the electric vehicle is charged, one end connector of the charger is generally connected with the electric vehicle, the other end connector of the charger is connected with alternating current, the charging circuit system converts the alternating current into direct current required by charging the electric vehicle, and then the direct current is directly input into a storage battery of the electric vehicle for charging, the existing battery is charged in real time, no corresponding time control exists, and the charging time for charging from the beginning to the end of a person after the person works generally is charged in a peak electricity price period, so that the charging cost is higher.

Disclosure of utility model

The utility model aims to solve the defects of the technology, and discloses a charger capable of automatically charging in a low-valley period.

The utility model relates to a charger for automatically charging in a valley electricity period, which comprises:

Charging circuitry;

The direct current input/output module comprises a direct current input bit and a direct current output bit;

a time control module for timing control;

The main control module U1 is used for controlling the on-off of the direct current output end according to the timed time;

A charging time adjustment key for setting a timing time;

A display screen 5 for displaying time;

The control end of the direct current input/output module is connected with the control end of the main control module, the direct current input bit is electrically connected with the direct current output end of the charging circuit system, and the display screen 5, the time information output end of the time control module and the charging time adjusting key are respectively connected with and controlled by the main control module.

According to the above charger capable of automatically charging in the off-peak period, the charger further comprises a power management module, the power management module comprises a voltage reduction chip U5, a battery management chip U4, a lithium battery and a power supply end, the voltage reduction chip U5 is connected with an input end positive electrode vin+ through a diode D4, the input end positive electrode vin+ on the voltage reduction chip U5 is connected with the direct current input position, the voltage reduction chip U5 is connected with the battery management chip U4, the lithium battery is connected with the battery management chip U4 through the power supply end, and the power supply end is respectively connected with the display screen, the main control module U1 and the time control module U2.

According to the charger for automatically charging in the off-peak period, the dc input/output module includes a resistor R6, a resistor R7, a resistor R8, a resistor R9, a resistor R10, a resistor R13, a resistor R14, a resistor R15, a zener diode Z1, a zener diode Z2, a diode D3, a capacitor C2, a MOS transistor Q1, a MOS transistor Q3, and a transistor Q2; the direct current input bit comprises an input end positive electrode vin+ and an input end negative electrode Vin-, and the direct current output bit comprises an output end positive electrode B+ and an output end negative electrode B-; the drain electrode of the MOS tube Q1 is connected with the control end of the main control module, the grid electrode of the MOS tube Q1 is respectively connected with one end of a resistor R14 and one end of a resistor R15, and the other end of the resistor R14 is connected with the positive electrode vin+ of the input end; the grid electrode of the MOS tube Q3 is respectively connected with one end of a resistor R9, one end of a resistor R13 and the positive electrode end of a zener diode Z2, the drain electrode of the MOS tube Q3 is respectively connected with the negative electrode end of a diode D3 and the positive electrode vin+ of the input end, and the source electrode of the MOS tube Q3 is respectively connected with the positive electrode end of the diode D3, the other end of the resistor R9, the other end of the resistor R13, the negative electrode end of the zener diode Z2 and the positive electrode B+ of the output end; the base electrode of the triode Q2 is connected with one end of a resistor R6, the collector electrode of the triode Q is connected with the other end of a resistor R9, and the other end of the resistor R6 is connected with the control end of the main control module; one end of a zener diode Z1, one end of a resistor R10, one end of a resistor R7 and one end of a resistor R8 are connected with each other, one end of a capacitor C2 is connected with the other end of the resistor R7, the other end of the resistor R8 is connected with an output end positive electrode B+, the other end of the zener diode Z1, the other end of the resistor R10 and the other end of the capacitor C2 are respectively connected with one ends of the zener diode Z1, the resistor R10 and the resistor R7, the other ends of the zener diode Z1, the resistor R10 and the capacitor C2, the source electrode of a MOS tube Q1, the other end of the resistor R15 and the emitting electrode of a triode Q2 are connected with each other and then grounded; the positive electrode Vin+ of the input end of the direct current input bit is connected with the positive electrode Vin+ of the input end of the voltage reduction chip U5.

According to the charger capable of automatically charging in the off-peak period, the time control module comprises a crystal oscillator Y1, a capacitor C5, a capacitor C6, a resistor R2, a resistor R3, a resistor R4, a time control chip U2 and an electrolytic capacitor C1, wherein the crystal oscillator Y1, the capacitor C5, the capacitor C6, the resistor R2, the resistor R3, the resistor R4 and the electrolytic capacitor C1 are respectively connected with the time control chip U2.

According to the charger capable of automatically charging in the off-peak period, the charging time adjusting key comprises a background time adjusting key K1, a power-on starting time adjusting key K2 and a power-on ending time adjusting key K3, and the background time adjusting key K1, the power-on starting time adjusting key K2 and the power-on ending time adjusting key K3 are respectively connected with three time adjusting ends on the main control module.

According to the charger capable of automatically charging in the off-peak period, the charging time adjusting key further comprises a through key K4, and the through key K4 is electrically connected with the instant charging end on the main control module.

According to the charger capable of automatically charging in the off-peak electricity period, the charger further comprises a burning interface, and the burning interface is connected with the main control module.

The charger for automatically charging in the off-peak electricity period is designed by the utility model, and the direct current is controlled to be conducted or disconnected according to the timing time, so that when one end connector of the charger is connected with an electric vehicle and the other end connector of the charger is connected with alternating current, the direct current output module can be in a disconnected state in the peak electricity price period, and when the off-peak electricity price period is reached, the direct current output module is in a conducting state to charge the electric vehicle, and further, the charging cost is greatly reduced when a user charges the electric vehicle, and the practicability is improved.

Drawings

FIG. 1 is a schematic overall construction;

FIG. 2 is a schematic diagram of a master control module;

FIG. 3 is a schematic diagram of a DC power input module;

FIG. 4 is a schematic diagram of a time control module architecture;

FIG. 5 is a schematic diagram of a power management module;

FIG. 6 is a schematic diagram of a charge time adjustment key structure;

Fig. 7 is a schematic view of a display screen structure.

Detailed Description

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 are derived by a person skilled in the art based on the embodiments of the utility model, fall within the scope of protection of the utility model.

Examples:

As shown in fig. 1 to 7, the charger for automatically charging in the off-peak period described in this embodiment includes a dc input/output module 1, a time control module 2, a main control module U1, a charging circuit system, a charging time adjustment key 4, a display screen 5 and a lithium battery BT1, where the dc input/output module 1 includes a dc input bit and a dc output bit, the dc output module 2 is electrically connected to an output control end of the main control module, a control end of the dc input/output module is connected to a control end of the main control module, the dc input bit is electrically connected to a dc output end of the charging circuit system, the display screen 5, a time information output end of the time control module and the charging time adjustment key are respectively connected to and controlled by the main control module, the main control module U1 adopts a single chip microcomputer (MCU chip), and the display screen adopts an LCD liquid crystal display.

Preferably, the dc input/output module 1 includes a resistor R6, a resistor R7, a resistor R8, a resistor R9, a resistor R10, a resistor R13, a resistor R14, a resistor R15, a zener diode Z1, a zener diode Z2, a diode D3, a capacitor C2, a MOS transistor Q1, a MOS transistor Q3, and a triode Q2; the direct current input bit comprises an input end positive electrode vin+ and an input end negative electrode Vin-, and the direct current output bit comprises an output end positive electrode B+ and an output end negative electrode B-; the drain electrode of the MOS tube Q1 is connected with the control end of the main control module, the grid electrode of the MOS tube Q1 is respectively connected with one end of a resistor R14 and one end of a resistor R15, and the other end of the resistor R14 is connected with the positive electrode vin+ of the input end; the grid electrode of the MOS tube Q3 is respectively connected with one end of a resistor R9, one end of a resistor R13 and the positive electrode end of a zener diode Z2, the drain electrode of the MOS tube Q3 is respectively connected with the negative electrode end of a diode D3 and the positive electrode vin+ of the input end, and the source electrode of the MOS tube Q3 is respectively connected with the positive electrode end of the diode D3, the other end of the resistor R9, the other end of the resistor R13, the negative electrode end of the zener diode Z2 and the positive electrode B+ of the output end; the base electrode of the triode Q2 is connected with one end of a resistor R6, the collector electrode of the triode Q is connected with the other end of a resistor R9, and the other end of the resistor R6 is connected with the control end of the main control module; one end of a zener diode Z1, one end of a resistor R10, one end of a resistor R7 and one end of a resistor R8 are connected with each other, one end of a capacitor C2 is connected with the other end of the resistor R7, the other end of the resistor R8 is connected with an output end positive electrode B+, the other end of the zener diode Z1, the other end of the resistor R10 and the other end of the capacitor C2 are respectively connected with one ends of the zener diode Z1, the resistor R10 and the resistor R7, the other ends of the zener diode Z1, the resistor R10 and the capacitor C2, the source electrode of a MOS tube Q1, the other end of the resistor R15 and the emitting electrode of a triode Q2 are connected with each other and then grounded; the positive electrode vin+ of the input end of the direct current input bit is connected with the positive electrode vin+ of the input end of the buck chip U5, wherein the main control module performs on-off control on the MOS tube Q1, the MOS tube Q3 and the triode Q2, so that on-off control on the direct current input bit and the direct current output bit is realized, and direct current input and output are achieved.

In this embodiment, the lithium battery is connected to the battery management chip U4 through the power supply terminal, the power supply terminal is connected to the battery management chip U4 through the power supply terminal, the voltage reduction chip U5 is connected to the display screen, the main control module U1 and the time control module U2 respectively, the voltage reduction chip U5 reduces the voltage input by the direct current input terminal, thereby forming a 5V power supply voltage, so as to supply power to the main control module, the display screen and the time control module, at this moment, the power supply terminal of the lithium battery is disconnected, however, when no direct current is input, the lithium battery supplies power to the main control module, the display screen and the time control module through the power supply terminal, so as to prevent loss of data due to power failure.

The charging time adjusting key 4 comprises a background time adjusting key K1, a power-on time adjusting key K2, a power-on time adjusting key K3 and a direct key K4, wherein the background time adjusting key K1, the power-on time adjusting key K2, the power-on time adjusting key K3 and the direct key K4 are respectively connected with three time adjusting ends on the main control module.

When the device works, the electric energy of the battery or the electric energy of the direct current input bit supplies power to the main control module U1, the time control module and the display screen, so that all components are in a standby state, at the moment, the background time adjusting key K1 is controlled to set the current Beijing time, the charging start time and the charging end time are set through the power on starting time adjusting key K2 and the power on ending time adjusting key K3, the time is set to be 24 hours, if the charging start time is 22:00, and the charging end time is: 5:00, at this time, the time control module U2 monitors and controls according to the Beijing time set at present, after the Beijing time reaches 22:00, the time information is transmitted to the main control module U1, and the main control module U1 generates an instruction for controlling the conduction of the direct current output bit according to the time information so as to control the direct current output bit to output direct current, and then the storage battery of the electric vehicle is charged; when the control module U2 monitors that the Beijing time reaches 5:00, the main control module generates an instruction for controlling the disconnection of the direct current output bit so as to control the disconnection of the direct current output bit, thereby realizing the end of charging; when the charging is not required according to the set time, the direct-connection key K4 is directly pressed, so that the main control module U1 generates an instruction for controlling the conduction of the direct-current output bit to control the conduction of the direct-current output bit, and the aim of immediately charging the storage battery of the electric vehicle is achieved, wherein all the set time is displayed on the display screen.

In this embodiment, the time control module includes a crystal oscillator Y1, a capacitor C5, a capacitor C6, a resistor R2, a resistor R3, a resistor R4, a time control chip U2, and an electrolytic capacitor C1, where the crystal oscillator Y1, the capacitor C5, the capacitor C6, the resistor R2, the resistor R3, the resistor R4, and the electrolytic capacitor C1 are respectively connected to the time control chip U2; the structure of the device is arranged to generate stable oscillation signals, so that the direct current output is more stable.

In this embodiment, the device further includes a recording interface 6, where the recording interface 6 is connected to the main control module U1, and a control program can be recorded into the main control module U1 through the recording interface 6.

The present utility model is not limited to the above-mentioned preferred embodiments, and any person who can obtain other various products under the teaching of the present utility model can make any changes in shape or structure, and all the technical solutions that are the same or similar to the present utility model fall within the scope of the present utility model.

Claims

1. A charger for automatically charging during periods of low battery, comprising:

Charging circuitry;

a time control module for timing control;

A charging time adjustment key for setting a timing time;

A display screen for displaying time;

The control end of the direct current input/output module is connected with the control end of the main control module, the direct current input bit is electrically connected with the direct current output end of the charging circuit system, and the display screen, the time information output end of the time control module and the charging time adjusting key are respectively connected with and controlled by the main control module.

2. The charger of claim 1, further comprising a power management module, wherein the power management module comprises a buck chip U5, a battery management chip U4, a lithium battery and a power supply end, the buck chip U5 is connected with an input end positive electrode vin+ through a diode D4, the input end positive electrode vin+ on the buck chip U5 is connected with the direct current input bit, the buck chip U5 is connected with the battery management chip U4, the lithium battery is connected with the battery management chip U4 through the power supply end, and the power supply end is respectively connected with the display screen, the main control module U1 and the time control module U2.

3. The charger according to claim 2, wherein the dc input/output module comprises a resistor R6, a resistor R7, a resistor R8, a resistor R9, a resistor R10, a resistor R13, a resistor R14, a resistor R15, a zener diode Z1, a zener diode Z2, a diode D3, a capacitor C2, a MOS transistor Q1, a MOS transistor Q3, and a transistor Q2;

The direct current input bit comprises an input end positive electrode vin+ and an input end negative electrode Vin-, and the direct current output bit comprises an output end positive electrode B+ and an output end negative electrode B-;

The drain electrode of the MOS tube Q1 is connected with the control end of the main control module, the grid electrode of the MOS tube Q1 is respectively connected with one end of a resistor R14 and one end of a resistor R15, and the other end of the resistor R14 is connected with the positive electrode vin+ of the input end;

The grid electrode of the MOS tube Q3 is respectively connected with one end of a resistor R9, one end of a resistor R13 and the positive electrode end of a zener diode Z2, the drain electrode of the MOS tube Q3 is respectively connected with the negative electrode end of a diode D3 and the positive electrode vin+ of the input end, and the source electrode of the MOS tube Q3 is respectively connected with the positive electrode end of the diode D3, the other end of the resistor R9, the other end of the resistor R13, the negative electrode end of the zener diode Z2 and the positive electrode B+ of the output end;

The base electrode of the triode Q2 is connected with one end of a resistor R6, the collector electrode of the triode Q is connected with the other end of a resistor R9, and the other end of the resistor R6 is connected with the control end of the main control module;

One end of a zener diode Z1, one end of a resistor R10, one end of a resistor R7 and one end of a resistor R8 are connected with each other, one end of a capacitor C2 is connected with the other end of the resistor R7, the other end of the resistor R8 is connected with an output end positive electrode B+, the other end of the zener diode Z1, the other end of the resistor R10 and the other end of the capacitor C2 are respectively connected with one ends of the zener diode Z1, the resistor R10 and the resistor R7, the other ends of the zener diode Z1, the resistor R10 and the capacitor C2, the source electrode of a MOS tube Q1, the other end of the resistor R15 and the emitting electrode of a triode Q2 are connected with each other and then grounded; the positive electrode Vin+ of the input end of the direct current input bit is connected with the positive electrode Vin+ of the input end of the voltage reduction chip U5.

4. The charger according to claim 1, wherein the time control module comprises a crystal oscillator Y1, a capacitor C5, a capacitor C6, a resistor R2, a resistor R3, a resistor R4, a time control chip U2 and an electrolytic capacitor C1, and the crystal oscillator Y1, the capacitor C5, the capacitor C6, the resistor R2, the resistor R3, the resistor R4 and the electrolytic capacitor C1 are connected to the time control chip U2.

5. A charger for automatically charging during off-peak power periods according to any one of claims 1-3, wherein the charging time adjustment keys include a background time adjustment key K1, a start power-on time adjustment key K2 and an end power-on time adjustment key K3, the background time adjustment key K1, the start power-on time adjustment key K2 and the end power-on time adjustment key K3 being respectively connected to three time adjustment terminals on the main control module.

6. The charger of claim 5 wherein the charging time adjustment key further comprises a pass-through key K4, the pass-through key K4 being electrically connected to the instant charging terminal on the main control module.

7. The charger of claim 6, further comprising a programming interface, wherein the programming interface is coupled to the main control module.