CN202975102U

CN202975102U - Electric bicycle charging timing and charging apparatus

Info

Publication number: CN202975102U
Application number: CN2012203143982U
Authority: CN
Inventors: 张兴海; 梁鹏; 李珩; 熊代荣; 饶华杰
Original assignee: Chongqing Sokon Industry Group Co Ltd
Current assignee: Chongqing Sokon Industry Group Co Ltd
Priority date: 2012-06-29
Filing date: 2012-06-29
Publication date: 2013-06-05
Anticipated expiration: 2022-06-29

Abstract

The utility model provides an electric bicycle charging timing and charging apparatus, comprising the components as following: a voltage acquisition module, which is connected between the live wire and zero wire of a charging socket and used for acquiring the input voltage of the electric bicycle charging plug and outputting a voltage signal; a current acquisition module, which is connected to the zero wire and used for acquiring the electric bicycle charging current and outputting a current signal; and a central control module, which is used for receiving the voltage signal output by the voltage acquisition module and the current signal output by the current acquisition module to calculate the charging time, charging cost and electricity consumption amount. According to the electric bicycle charging timing and charging apparatus, compared to the present charging timing and charging apparatus, the circuit structure is substantially simplified, manufacture and usage cost is reduced, the volume of the apparatus is decreased at a certain degree, which is convenient for conveying, in addition, the structure is stable, and usage is convenient.

Description

Electric motor car charging timing and charging device

Technical field

The utility model relates to electric motor car charging technique field, relates in particular to a kind of electric motor car charging timing and charging device.

Background technology

Electric motor car travels owing to adopting electric energy to drive, and little and petroleum resources is in short supply due to its pollution to environment, makes the favor that more and more is subjected to people.and battery pack or super capacitor group are requisite parts in electric motor car as the equipment of storage of electrical energy, travel to order about electric motor car as power source in pure electric automobile, after using, the electric energy of accumulator or super capacitor group needs it is charged, although has used at special charging station in the market can timing, the charging device of charging, but its complex structure, manufacturing cost is high, thereby bring the use cost of great number to the user, because its great number cost causes popularity not high, be unfavorable for understanding and the control of the use cost of electric motor car.

Therefore, need to propose a kind of new charging timing and charging device, can greatly reduce its manufacturing cost, simplified structure, and can dwindle the volume of whole device, be convenient to transport.

The utility model content

In view of this, a kind of electric motor car charging timing and charging device that the utility model provides can reduce its manufacturing cost greatly, simplified structure, and can dwindle the volume of whole device, be convenient to transport.

The current signal that a kind of electric motor car charging timing and charging device that the utility model provides, the voltage signal that being used on the zero line that comprise the live wire and the voltage acquisition module that is used for gathering electric motor car charging plug input voltage and output voltage signal between zero line that are connected to charging socket, is connected to charging socket gathers the current acquisition module of electric motor car charging current and output current signal and be used for the output of receiver voltage acquisition module and current acquisition module are exported and the central control module that carries out the calculating of duration of charging, charging expense and consumption number;

Further, described voltage acquisition module comprises the first resistance R 1, the second resistance R 2 and voltage collector;

Described the first resistance R 1 one is terminated at live wire, the other end is connected to zero line by the second resistance R 2, the input end of described voltage collector is connected to the tie point of the first resistance R 1 and the second resistance R 2, and the output terminal of described voltage collector is to central control module output analog DC signal;

Further, described current acquisition module comprises current sensor and current collector, described current sensor is connected between the tie point of the zero line link of charging socket and the second resistance R 2 and zero line, the input end of described current collector is connected to the signal output part of current sensor, and described current collector output terminal is to central control module output DC simulation signal;

Further, central control module shown in comprises an A/D input end I1, the 2nd A/D signal input part I2 and display output terminal OP; A described A/D input end I1 is connected to the output terminal of voltage collector, and described the 2nd A/D signal input part I2 is connected to the output terminal of current collector, described display output terminal OP output display signal;

Further, described electric motor car charging timing and charging device also comprises display device, described display device be used for receiving central control module output duration of charging, charging expense and consumption number signal and show;

Further, also comprise charging control switch K1, described charging control switch K1 is connected between the tie point and electrical network live wire output terminal of the first resistance R 1 and live wire;

Further, described charging control switch K1 is air switch;

Further, described central control module is single-chip microcomputer.

The beneficial effects of the utility model: the utility model adopts current collector and voltage collector to come computational costs and consumption number by gathering voltage and current, compare with existing charging timing and charging device, simplified widely circuit structure, manufacturing and use cost have been reduced, and reduced to a certain extent the volume of device, be convenient to transport, and Stability Analysis of Structures of the present utility model, easy to use.

Description of drawings

Below in conjunction with drawings and Examples, the utility model is further described:

Fig. 1 is circuit theory diagrams of the present utility model.

Embodiment

Fig. 1 is circuit theory diagrams of the present utility model, as shown in the figure, a kind of electric motor car charging timing and charging device that the utility model provides, comprise the voltage acquisition module that is used for gathering electric motor car charging plug input voltage and output voltage signal between the live wire that is connected to charging socket and zero line, be connected to the current signal that voltage signal that being used on the zero line of charging socket gather the current acquisition module of electric motor car charging current and output current signal and be used for the output of receiver voltage acquisition module and current acquisition module export and carry out the duration of charging, the central control module of the calculating of charging expense and consumption number, the utility model adopts current collector and voltage collector to come computational costs and consumption number by gathering voltage and current, compare with existing charging timing and charging device, simplified widely circuit structure, manufacturing and use cost have been reduced, and reduced to a certain extent the volume of device, be convenient to transport, and Stability Analysis of Structures of the present utility model, easy to use.

In the present embodiment, described voltage acquisition module comprises the first resistance R 1, the second resistance R 2 and voltage collector;

Described the first resistance R 1 one is terminated at live wire, the other end is connected to zero line by the second resistance R 2, the input end of described voltage collector is connected to the tie point of the first resistance R 1 and the second resistance R 2, and the output terminal of described voltage collector is to central control module output analog DC signal.

In the present embodiment, described current acquisition module comprises current sensor and current collector, between the zero line link that is connected to charging socket of described current sensor and the tie point of the second resistance R 2 and zero line, the input end of described current collector is connected to the signal output part of current sensor, and described current collector output terminal is to central control module output DC simulation signal.

In the present embodiment, described central control module is single-chip microcomputer, shown in central control module comprise an A/D input end I1, the 2nd A/D signal input part I2 and display output terminal OP; A described A/D input end I1 is connected to the output terminal of voltage collector, and described the 2nd A/D signal input part I2 is connected to the output terminal of current collector, described display output terminal OP output display signal.

In the present embodiment, described electric motor car charging timing and charging device also comprises display device, described display device be used for receiving central control module output duration of charging, charging expense and consumption number signal and show.

In the present embodiment, also comprise charging control switch K1, described charging control switch K1 is connected between the tie point and electrical network live wire output terminal of the first resistance R 1 and live wire, and described charging control switch K1 is air switch, is beneficial to whole device is protected.

Principle of work of the present utility model:

the calculating of charging current: after the electric motor car charging plug inserts charging socket, connect charging control switch K1, current sensor will detect the charging current of the zero line of flowing through, and current sensor is converted to the current signal that receives the AC analogue signal that changes with charging current and direction, after this AC analogue signal is input to current collector, current collector is converted to this AC analogue signal the 2nd A/D input end I2 that is transported to central control module after the DC simulation signal and carries out the analog digital conversion, central control module is stored in the electric current memory block with the charging current value that is converted to and keeps in and timing, as the data of calculating current charge power and consumption number.

the calculating of charging voltage: the charging voltage V1 between live wire and zero line is through R1, after the R2 dividing potential drop, its partial pressure value V2=R2 ÷ (R1+R2) * V1, wherein, V2 is the partial pressure value at the second resistance R 2 two ends, V1 is the voltage between zero line and live wire, partial pressure value V2 has reflected the input voltage of electric motor car charging plug, after this partial pressure value V2 is sent to voltage collector, be transformed to the DC simulation signal that just changes with charging voltage, and the A/D input end I1 that this DC simulation signal is sent to central control module is carried out the analog digital conversion, central control module is put into the relevant voltage storage area with the charging voltage value that is converted to and keeps in and timing, as the data of calculating current charge power and consumption number.

The Fare determined by travel time of charging process and end: in charging process, central control module is in the situation that reception ﹠ disposal charging voltage, electric current and timing, constantly from charging current, voltage working area taking-up data, calculate current charging time of use, the number of degrees that charged, the expense of having charged, and demonstrate current time by display device and charge the time of use, the number of degrees of power consumption, the expense of having charged until whole charging process finishes, demonstrates the T.T. of this charging on display device, total number of degrees that charge, the charging total expenses.

In the present embodiment, voltage collector and current collector are prior art, do not repeat them here, and in Fig. 1, L represent live wire, and N represents zero line.

Explanation is at last, above embodiment is only unrestricted in order to the technical solution of the utility model to be described, although with reference to preferred embodiment, the utility model is had been described in detail, those of ordinary skill in the art is to be understood that, can modify or be equal to replacement the technical solution of the utility model, and not breaking away from aim and the scope of technical solutions of the utility model, it all should be encompassed in the middle of claim scope of the present utility model.

Claims

1. electric motor car charging timing and charging device is characterized in that: the current signal that the voltage signal that being used on the zero line that comprise the live wire and the voltage acquisition module that is used for gathering electric motor car charging plug input voltage and output voltage signal between zero line that are connected to charging socket, is connected to charging socket gathers the current acquisition module of electric motor car charging current and output current signal and be used for the output of receiver voltage acquisition module and current acquisition module are exported and the central control module that carries out the calculating of duration of charging, charging expense and consumption number.

2. electric motor car charging timing and charging device according to claim 1, it is characterized in that: described voltage acquisition module comprises the first resistance R 1, the second resistance R 2 and voltage collector;

3. electric motor car charging timing and charging device according to claim 2, it is characterized in that: described current acquisition module comprises current sensor and current collector, described current sensor is connected between the tie point of the zero line link of charging socket and the second resistance R 2 and zero line, the input end of described current collector is connected to the signal output part of current sensor, and described current collector output terminal is to central control module output DC simulation signal.

4. electric motor car charging timing and charging device according to claim 3 is characterized in that: shown in central control module comprise an A/D input end I1, the 2nd A/D signal input part I2 and display output terminal OP; A described A/D input end I1 is connected to the output terminal of voltage collector, and described the 2nd A/D signal input part I2 is connected to the output terminal of current collector, described display output terminal OP output display signal.

5. electric motor car charging timing and charging device according to claim 4 is characterized in that: also comprise display device, described display device be used for receiving central control module output duration of charging, charging expense and consumption number signal and show.

6. electric motor car charging timing and charging device according to claim 5, it is characterized in that: also comprise charging control switch K1, described charging control switch K1 is connected between the tie point and electrical network live wire output terminal of the first resistance R 1 and live wire.

7. electric motor car charging timing and charging device according to claim 6, it is characterized in that: described charging control switch K1 is air switch.

8. electric motor car charging timing and charging device according to claim 7, it is characterized in that: described central control module is single-chip microcomputer.