CN110126716B

CN110126716B - Lamp circuit for indicating charging quantity

Info

Publication number: CN110126716B
Application number: CN201910521925.3A
Authority: CN
Inventors: 范兴佳; 王世明; 金立军; 郑志军
Original assignee: SAIC Volkswagen Automotive Co Ltd
Current assignee: SAIC Volkswagen Automotive Co Ltd
Priority date: 2019-06-17
Filing date: 2019-06-17
Publication date: 2024-05-28
Anticipated expiration: 2039-06-17
Also published as: CN110126716A

Abstract

The invention relates to the technical field of automobile lamps, in particular to a lamp circuit for indicating charging electric quantity, which comprises the following components: the singlechip power supply circuit module is used for providing a linear stabilized voltage power supply; the signal receiving and transmitting conversion circuit module is used for converting and communicating data between the vehicle body controller and the singlechip detection control circuit module; a position lamp constant current circuit module; a marker light constant current circuit module; the single chip microcomputer detection control circuit module is connected with the modules, receives the vehicle body controller signals sent by the signal receiving and transmitting conversion circuit module, and drives the LED lamps in the position lamp constant current circuit module and the marker lamp constant current circuit module to be lightened according to specified brightness and effect. According to the position lamp and the LOGO lamp, the brightness of the LED is adjusted in real time according to the battery electric quantity signal, and the dynamic lighting effect shows the interval where the battery electric quantity is located, so that a user can observe the charging electric quantity from the outside of the automobile without entering the automobile to start the automobile, and the position lamp and the LOGO lamp are convenient, quick and visual.

Description

Lamp circuit for indicating charging quantity

Technical Field

The invention relates to the technical field of automobile lamps, in particular to a lamp circuit for indicating charging electric quantity.

Background

With the development of economy, the automobile conservation amount in China and the automobile market are in the first place in the world. With the increasing public concern about environmental pollution, the gradual exhaustion of traditional energy sources and the tail gas pollution problem brought by fuel automobiles, and electric vehicles have become the main development direction of automobiles. The China provides a long-term important strategy for developing new energy vehicles, and encourages enterprises to develop and produce new energy vehicles.

In the use process of the new energy vehicle, the new energy vehicle inevitably needs to be charged, so that the vehicle body lamp can accurately indicate the electric quantity of the battery during charging. At present, the electric automobile multi-purpose instrument on the market displays the battery electric quantity, and a user can only know the battery electric quantity when entering the automobile and opening the instrument when charging, so that the electric automobile multi-purpose instrument is complex and not intuitive.

At present, the shared electric automobile is popular, generally, the charge is carried out according to time, when a user finds a vehicle, the user cannot know the quantity of the electric quantity of the vehicle at present, whether the travel requirement of the user is met or not can only know the electric quantity of the battery of the electric automobile by starting the vehicle first, and certain waste is caused to the time and money of the user.

Therefore, a device for indicating the charge power is needed at present, when a user charges an automobile, the charge power ratio of the current automobile can be clearly indicated to the user, so that the user can clearly and definitely know the current battery power, and convenience is provided for the user.

Disclosure of Invention

The invention aims to provide a lamp circuit for indicating charging electric quantity, which solves the problem that the charging electric quantity of an electric automobile is difficult to intuitively and clearly indicate outside the automobile.

In order to achieve the above object, the present invention provides a lamp circuit indicating a charged amount, comprising:

the singlechip power supply circuit module is connected with the singlechip detection control circuit module and used for providing a linear stabilized voltage supply;

The signal receiving and transmitting conversion circuit module is connected with the singlechip detection control circuit module and is used for converting and communicating data between the vehicle body controller and the singlechip detection control circuit module;

The position lamp constant current circuit module is connected with the singlechip detection control circuit module, receives signals sent by the singlechip detection control circuit module and drives the corresponding position lamp to change;

The marker lamp constant current circuit module is connected with the singlechip detection control circuit module, receives signals sent by the singlechip detection control circuit module and drives corresponding marker lamps to change;

The single chip microcomputer detection control circuit module is connected with the modules, receives the vehicle body controller signals sent by the signal receiving and transmitting conversion circuit module, drives the LED lamps in the position lamp constant current circuit module and the marker lamp constant current circuit module to be lightened according to specified brightness and effect, and collects fault signals and feeds the fault signals back to the vehicle body controller through the signal receiving and transmitting conversion circuit module when the LED lamps are in fault, so that fault indication is carried out.

In one embodiment, the singlechip detection control circuit module comprises a marker lamp power supply circuit module and a marker lamp brightness effect control circuit module,

The marker lamp power supply circuit module comprises a left singlechip U3, a first left resistor Rl1, a second left resistor Rl2, a first left voltage-stabilizing diode Zl1, a first left triode Ql1 and a second left triode Ql2, and is used for controlling whether a marker lamp is electrified or not;

the marker lamp brightness effect control circuit module comprises a right singlechip U8, a first right resistor Rr1, a second right resistor Rr2, a first right zener diode Zr1, a first right triode Qr1 and a second right triode Qr2, and is lightened according to appointed brightness and breathing mode when the marker lamp is controlled to be electrified.

In one embodiment, the singlechip power supply circuit module comprises a left singlechip U3 power supply circuit module and a right singlechip U8 power supply circuit module,

The power supply circuit module of the left singlechip U3 comprises a first linear voltage stabilizer U1 and a first left capacitor Cl1, and provides a linear voltage-stabilized power supply for the normal operation of the left singlechip U3;

The right singlechip U8 power supply circuit module comprises a second linear voltage stabilizer U6 and a first right capacitor Cr1, and provides a linear voltage-stabilized power supply for the normal operation of the right singlechip U8.

In one embodiment, the signal transceiver conversion circuit module includes a first LIN transceiver U2 and a second LIN transceiver U7,

The first LIN transceiver U2 is connected with the left single chip microcomputer U3 and is responsible for data conversion and communication between the vehicle body controller and the left single chip microcomputer U3, and signals transmitted by one party are converted into code information which can be identified by the other party;

The second LIN transceiver U7 is connected with the right single chip microcomputer U8 and is responsible for data conversion and communication between the vehicle body controller and the right single chip microcomputer U8, and signals transmitted by one party are converted into code information which can be identified by the other party.

In one embodiment, the position lamp constant current circuit module comprises a left position lamp constant current circuit module and a right position lamp constant current circuit module,

The left position lamp constant current circuit module comprises a left LED lamp group, a third left resistor Rl3 and a first LED constant current driver U4, wherein the first LED constant current driver U4 receives signals sent by the left singlechip U3 and drives the corresponding left LED lamp group to change;

The right position lamp constant current circuit module comprises a right LED lamp group, a third right resistor Rr3 and a second LED constant current driver U9, wherein the second LED constant current driver U9 receives signals sent by a right singlechip U8 and drives the corresponding right LED lamp group to change.

In an embodiment, the marker light constant current circuit module includes a marker light group and a third LED constant current driver U5, the third LED constant current driver U5 receives a signal sent by the left single chip microcomputer U3 to supply power to the corresponding marker light group, and the third LED constant current driver U5 receives a signal sent by the right single chip microcomputer U8 to adjust the brightness and the breathing mode of the corresponding marker light group.

In an embodiment, the marker light brightness effect control circuit module outputs a PWM signal with a variable duty ratio according to the right singlechip U8, and controls the brightness and the lighting mode of the marker light group in the marker light constant current circuit module.

In an embodiment, the lamp circuit further comprises: the power supply is prevented from being connected with the reverse circuit module and is connected with the power supply end to block reverse current of the power supply.

In one embodiment, when the battery is in a charged state and the amount of electricity is less than the first electric quantity value, the position lights are all turned off, and the sign lights are turned on in a breathing mode.

In an embodiment, when the battery is in a charging state and the electric quantity is greater than the first electric quantity value and less than 100%, the marker lamp is turned on, the brightness is the same as that of the position lamp when the position lamp is turned on, and the LED lamp group of the position lamp in the position lamp constant current circuit module is gradually and dynamically turned on to two side parts from the middle part close to the marker lamp according to the electric quantity charged by the battery.

In an embodiment, when the battery is in a charging state and the electric quantity is larger than the first electric quantity value and smaller than the second electric quantity value, the sign lamp is lighted, the brightness is the same as the brightness when the position lamp is lighted, and the LED lamp group in the first lighting area of the position lamp constant current circuit module is gradually lighted from inside to outside, so that the cycle is performed.

In an embodiment, when the battery is in a charging state and the electric quantity is larger than the second electric quantity value and smaller than the third electric quantity value, the marker lamp is lighted, the brightness is the same as that of the position lamp when the position lamp is lighted, the LED lamp group in the first lighting area of the position lamp constant current circuit module is always lighted, and the LED lamp group in the second lighting area is gradually lighted from inside to outside, so that the cycle is performed.

In an embodiment, when the battery is in a charging state and the electric quantity is greater than the third electric quantity value and less than 100%, the marker light is turned on, the brightness is the same as that of the position light when the position light is turned on, the LED light groups in the first lighting area and the second lighting area of the position light constant current circuit module are always on, and the LED light groups in the third lighting area are gradually turned on from inside to outside, so that the cycle is performed.

In an embodiment, when the battery is in a charged state and the electric quantity is full, the marker light set of the marker light constant current circuit module and the LED light set of the position light constant current circuit module are always lighted.

According to the lamp circuit for indicating the charging electric quantity, the through type tail lamp is communicated with the vehicle body controller in real time through the LIN transceiver, the position lamp and the LOGO lamp are used for adjusting the brightness of the LED and dynamically lighting the interval where the effect indicates the battery electric quantity in real time according to the battery electric quantity signal, a user can observe the charging electric quantity of the vehicle from the outside without entering the vehicle to start the vehicle, and the lamp circuit is convenient, quick and visual.

The lamp circuit for indicating the charging electric quantity provided by the invention has the following beneficial effects:

1) The position lamp and the LOGO lamp are used for indicating an electric quantity interval where the electric quantity is located when the battery is charged in real time, and the electric quantity is indicated by the breathing effect of the LOGO lamp and the dynamic gradual lighting of the position lamp from inside to outside in the charging process;

2) The LOGO lamp can be used as a general module, and the brightness of the LOGO lamp is regulated by using PWM control signals, so that the brightness of position lamps in different vehicle types is matched;

3) The direct-current power supply and the PWM control signals are provided for the LOGO lamp separately, so that current noise when the LOGO lamp is lighted is avoided;

4) The LIN signal is communicated with the vehicle body controller in real time, so that the battery electric quantity can be detected in real time;

5) When the whole vehicle needs to go into dormancy, the LIN signal informs the lamp circuit of power failure, so that the power consumption of the circuit can be reduced to the minimum;

6) When the LED lamp breaks down and opens, the LIN signal informs the controller of the corresponding fault of the vehicle body, so that the lamp circuit enters into sleep and hardly consumes current, which is superior to the current fault alarming mode which still consumes part of the vehicle body current.

Drawings

The above and other features, properties and advantages of the present invention will become more apparent from the following description of embodiments taken in conjunction with the accompanying drawings in which like reference characters designate like features throughout the drawings, and in which:

FIG. 1 discloses a schematic block diagram of a lamp circuit indicating a charge level according to an embodiment of the invention;

FIG. 2 discloses a schematic block diagram of a single-chip microcomputer detection control circuit module according to an embodiment of the invention;

FIG. 3 discloses a schematic diagram of a lamp circuit indicating charge level according to an embodiment of the invention;

FIG. 4a is a schematic diagram showing a first state of dynamic lighting effect of the position lamp and the LOGO lamp when the battery is in a charged state and the charging amount is less than 25%;

FIG. 4b is a schematic diagram showing a second state of dynamic lighting effect of the position lamp and the LOGO lamp when the battery is in a charged state and the charging amount is less than 25%;

FIG. 4c is a schematic diagram showing a third state of dynamic lighting effect of the position lamp and the LOGO lamp when the battery is in a charged state and the charging amount is less than 25%;

FIG. 4d is a diagram showing a fourth state of dynamic lighting effect of the position lamp and the LOGO lamp when the battery is in a charged state and the charging amount is less than 25%;

FIG. 4e is a schematic diagram showing a fifth state of dynamic lighting effect of the position lamp and the LOGO lamp when the battery is in a charged state and the charging amount is less than 25%;

FIG. 5 is a schematic view showing the division of the lighting areas of the position lamps according to an embodiment of the present invention;

FIG. 6a is a schematic diagram showing a first state of dynamic lighting effect of the position lamp and the LOGO lamp when the battery is in a charged state and the charging quantity is more than 25% and less than 50%;

FIG. 6b is a schematic diagram showing a second state of dynamic lighting effect of the position lamp and the LOGO lamp when the battery is in a charged state and the charging quantity is more than 25% and less than 50%;

FIG. 6c is a schematic diagram showing a third state of dynamic lighting effect of the position lamp and the LOGO lamp when the battery is in a charged state and the charging quantity is more than 25% and less than 50%;

FIG. 6d is a diagram showing a fourth state of the dynamic lighting effect of the position lamp and the LOGO lamp when the battery is in a charged state and the charging quantity is more than 25% and less than 50%;

FIG. 7a is a schematic diagram showing a first state of dynamic lighting effect of the position lamp and the LOGO lamp when the battery is in a charged state and the charging quantity is more than 50% and less than 75%;

FIG. 7b is a schematic diagram showing a second state of dynamic lighting effect of the position lamp and the LOGO lamp when the battery is in a charged state and the charging amount is more than 50% and less than 75%;

FIG. 7c is a schematic diagram showing a third state of dynamic lighting effect of the position lamp and the LOGO lamp when the battery is in a charged state and the charging amount is more than 50% and less than 75%;

FIG. 7d is a diagram showing a fourth state of the dynamic lighting effect of the position lamp and the LOGO lamp when the battery is in a charged state and the charging amount is more than 50% and less than 75%;

FIG. 8a is a schematic diagram showing a first state of dynamic lighting effect of the position lamp and the LOGO lamp when the battery is in a charged state and the charging quantity is more than 75% and less than 100%;

FIG. 8b is a schematic diagram showing a second state of dynamic lighting effect of the position lamp and the LOGO lamp when the battery is in a charged state and the charging amount is more than 75% and less than 100%;

FIG. 8c is a schematic diagram showing a third state of dynamic lighting effect of the position lamp and the LOGO lamp when the battery is in a charged state and the charging quantity is more than 75% and less than 100%;

FIG. 8d is a diagram showing a fourth state of dynamic lighting effect of the position lamp and the LOGO lamp when the battery is in a charged state and the charging amount is more than 75% and less than 100%;

FIG. 9 shows a schematic diagram of the dynamic lighting effect of the position and LOGO lamps when the battery is charged and the battery is full.

The meaning of the reference numerals in the figures is as follows:

1, a signal receiving and transmitting conversion circuit module;

2a singlechip power supply circuit module;

3, a singlechip detection control circuit module;

A 31LOGO lamp power supply circuit module and a 32LOGO lamp brightness effect control circuit module;

A 4-position lamp constant current circuit module;

a 41 left position lamp constant current circuit module and a 42 right position lamp constant current circuit module;

401 a first lighting area, 402 a second lighting area, 403 a third lighting area;

a 5LOGO lamp constant current circuit module;

and 6, preventing the power supply from being connected with the reverse circuit module.

Detailed Description

The present invention will be described in further detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present invention more apparent. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the invention.

The invention indicates the battery charge state and the electric quantity by adjusting the lighting brightness and the lighting effect of the position lamp and the LOGO lamp (marker lamp) in the external lamp of the vehicle, and the invention has the functions of the position lamp when the vehicle normally runs and the battery electric quantity indication function when the vehicle is charged.

Fig. 1 discloses a schematic block diagram of a lamp circuit indicating a charged amount according to an embodiment of the present invention. The invention provides a lamp circuit for indicating charging electric quantity, which comprises a signal receiving and transmitting conversion circuit module 1, a singlechip power supply circuit module 2, a singlechip detection control circuit module 3, a position lamp constant current circuit module 4 and a LOGO lamp constant current circuit module 5.

The signal receiving and transmitting conversion circuit module 1 is connected with the single chip microcomputer detection control circuit module 3 and is used for converting and communicating data between the vehicle body controller and the single chip microcomputer detection control circuit module 3.

The singlechip power supply circuit module 2 is connected with the singlechip detection control circuit module 3 and provides a linear stabilized voltage supply, and stable direct current voltage is provided for the normal operation of the singlechip detection control circuit module 3.

The position lamp constant current circuit module 4 is connected with the single chip microcomputer detection control circuit module 3, receives signals sent by the single chip microcomputer detection control circuit module 3, drives corresponding position lamps to change, and is used for indicating the section where the electric quantity of the battery is located.

And the LOGO lamp constant current circuit module 5 is connected with the single chip microcomputer detection control circuit module 3, receives signals sent by the single chip microcomputer detection control circuit module 3, drives the corresponding LOGO lamp to change, and indicates the interval where the battery power is located by lighting brightness and lighting effect.

The singlechip detection control circuit module 3 is connected with the modules, receives the vehicle body controller signals sent by the signal receiving and transmitting circuit module 1, drives the LED lamps in the position lamp constant current circuit module 4 and the LOGO lamp constant current circuit module 5 to light according to the appointed brightness and effect according to the vehicle body controller signals, and collects fault signals and feeds the fault signals back to the vehicle body controller through the signal receiving and transmitting circuit module 1 when the LED lamps are in fault, so as to perform fault indication.

The lamp circuit for indicating the charging electric quantity provided by the invention further comprises a power supply reverse connection preventing circuit module 6, wherein one end of the power supply reverse connection preventing circuit module is connected with a power supply end, and the other end of the power supply reverse connection preventing circuit module is connected with the singlechip power supply circuit module 2, the position lamp constant current circuit module 4 and the LOGO lamp constant current circuit module 5 to prevent the damage of current to a subsequent circuit when the power supply reverse connection is performed.

FIG. 2 discloses a schematic block diagram of a single-chip microcomputer detection control circuit module according to an embodiment of the invention. In the embodiment shown in fig. 2, the single-chip microcomputer detection control circuit module 3 further includes a LOGO lamp power supply circuit module 31 and a LOGO lamp brightness effect control circuit module 32, so as to respectively provide dc power supply and PWM (Pulse Width Modulation ) control signals for the LOGO lamp constant current circuit module 5, and avoid noise when the LOGO lamp is lighted.

For the LOGO lamp is general between different motorcycle types, the LOGO lamp power supply circuit module 31 provides direct current power supply for the LOGO lamp constant current circuit module 5, and the LOGO lamp brightness effect control circuit module 32 provides PWM control signals for the LOGO lamp constant current circuit module 5 to control the LOGO lamp lighting brightness and the lighting effect, so that the LOGO lamp lighting brightness and the position lamp brightness are matched, and meanwhile, current noise during the LOGO lamp lighting is avoided. If the PWM signal is directly used to supply power to the LOGO lamp and adjust the brightness at the same time, the LED constant current driver in the LOGO lamp constant current circuit module 5 can generate charging/discharging noise due to continuous charging/discharging of the capacitor with larger capacitance.

The position lamp constant current circuit module 4 comprises a left position lamp constant current circuit module 41 and a right position lamp constant current circuit module 42, and the singlechip detection control circuit module 3 respectively controls the position lamp changes corresponding to the left position lamp constant current circuit module 41 and the right position lamp constant current circuit module 42.

The external lamp of the vehicle in the lamp circuit for indicating the charging electric quantity comprises a position lamp and a LOGO lamp, and the lamp circuit can be used for indicating the charging electric quantity by matching a front position lamp and a front LOGO lamp of the vehicle, or can be used for indicating the charging electric quantity by matching a rear position lamp and a rear LOGO lamp of the vehicle.

Fig. 3 discloses a schematic circuit diagram of a lamp circuit indicating a charged amount according to an embodiment of the present invention. In the embodiment shown in fig. 3, a rear position lamp and a rear LOGO lamp in a through-type tail lamp are employed as the lamp circuit indicating the charge amount. The through type tail lamp has the advantages that the transverse distance can be widened visually, the tail of the automobile is enabled to be thicker, and meanwhile the recognition degree after the automobile is lighted at night is extremely high. The lamp circuit of the present invention for indicating the amount of charge is explained in further detail with reference to fig. 3.

In the schematic circuit diagram shown in fig. 3, the whole circuit is divided into 3 parts, the left broken line part is a left position lamp part circuit and is mainly responsible for the lighting control of the left position lamp circuit and the power supply of the LOGO lamp, and the right broken line part is a right position lamp part circuit and is mainly responsible for the lighting control of the right position lamp circuit and the brightness and effect control of the LOGO lamp. The middle dotted line part is a LOGO lamp part circuit and is mainly responsible for the lighting and corresponding change of the corresponding LOGO lamp.

KL30 is the voltage of a vehicle body storage battery, directly supplies power to a left position lamp and a right position lamp, and KL31 signals are the common ground terminal of the automobile, so that the common voltage is kept consistent.

In the embodiment of fig. 3, the power supply reverse connection preventing circuit module 6 includes a diode Dl1, a diode Dl2, a diode Dr1 and a diode Dr2 for preventing the tail lamp circuit from being damaged and consuming current when the power supply is reverse connected.

Diode Dl1 and diode Dl2 are in left position lamp part circuit, and diode Dl 1's positive pole one end is connected KL30, and negative pole one end is connected left position lamp constant current circuit module 41's input, i.e. left LED banks's input. One end of the positive electrode of the diode Dl2 is connected with KL30, and one end of the negative electrode is connected with the linear voltage stabilizer U1. The diode Dr1 and the diode Dr2 are arranged in a right position lamp part circuit, one end of the anode of the diode Dr1 is connected with KL30, and one end of the cathode of the diode Dr1 is connected with the input end of the right position lamp constant current circuit module 42, namely the input end of the right LED lamp group. One end of the positive pole of the diode Dr2 is connected with the KL30, and one end of the negative pole is connected with the linear voltage stabilizer U6.

In the embodiment of fig. 3, the singlechip power supply circuit module 2 includes a left singlechip U3 power supply circuit module and a right singlechip U8 power supply circuit module.

The power supply circuit module of the left singlechip U3 comprises a linear voltage stabilizer U1 and a capacitor Cl1, and provides stable direct-current voltage for the normal operation of the left singlechip U3. One end of the linear voltage stabilizer U1 is connected with one end of the cathode of the diode Dl2, and the other end is connected with the VDD signal end, the capacitor Cl1 and the connecting point of the VDD pin of the left singlechip U3. One end of the capacitor Cl1 is grounded, and the other end of the capacitor Cl1 is connected with the VDD pin of the left singlechip U3.

The power supply circuit module of the right singlechip U8 comprises a linear voltage stabilizer U6 and a capacitor Cr1, and provides stable direct-current voltage for the normal operation of the right singlechip U8. One end of the linear voltage stabilizer U6 is connected with one end of the cathode of the diode Dr2, and the other end is connected with the VDD signal end, the capacitor Cr1 and the connecting point of the VDD pin of the right singlechip U8. One end of the capacitor Cr1 is grounded, and the other end of the capacitor Cr1 is connected with the VDD pin of the right singlechip U8.

In the embodiment of fig. 3, the signal-to-transmit converting circuit module 1 includes a LIN transceiver U2 and a LIN transceiver U7.

The LIN transceiver U2 is connected with the corresponding pin TX and the pin RX of the left singlechip U3, is responsible for data conversion and communication between the vehicle body controller and the singlechip U3, and converts signals transmitted by one party into code information which can be identified by the other party. The first pin of LIN transceiver U2 is connected to KL31 and is simultaneously grounded. A second pin of the LIN transceiver U2 is connected to the LIN bus.

The LIN transceiver U7 is connected with the corresponding pin TX and the pin RX of the right singlechip U8, is responsible for data conversion and communication between the vehicle body controller and the right singlechip U8, and converts signals transmitted by one party into code information which can be identified by the other party. The first pin of LIN transceiver U7 is connected to KL31 and is simultaneously grounded. A second pin of the LIN transceiver U7 is connected to the LIN bus.

In the embodiment of fig. 3, the single-chip microcomputer detection control circuit module 3 includes a left single-chip microcomputer U3 and a right single-chip microcomputer U8. According to signals transmitted by the LIN transceiver U2 and the LIN transceiver U7 in the signal transceiving conversion circuit module, LED lamps in the position lamp constant current circuit module and the LOGO lamp constant current circuit module are driven to be lightened according to the required brightness and effect, and fault signals are collected and transmitted to the signal transceiving and conversion circuit module to feed back to a vehicle body for fault indication when the LED lamps are in fault.

Optionally, the available model of the left singlechip U3 and the right singlechip U8 is dsPIC33EP32MC504.

Pins I/O-1 to I/O-n of the left singlechip U3 are connected with pins PWM-1 to PWM-n of the LED constant current driver U4. The pin Fault-1 of the left singlechip U3 is connected with the pin Fault-1 of the LED constant current driver U4. The pin I/O-n+1 of the left singlechip U3 is connected with the base electrode of the triode Ql 2.

Pins I/O-1 to I/O-n of the right singlechip U8 are connected with pins PWM-1 to PWM-n of the LED constant current driver U9. The pin Fault-1 of the right singlechip U8 is connected with the pin Fault-1 of the LED constant current driver U9. The pin I/O-n+1 of the right singlechip U8 is connected with the base electrode of the triode Qr 2.

In the embodiment of fig. 3, the single-chip microcomputer detection control circuit module 3 further includes a LOGO lamp power supply circuit module 31 and a LOGO lamp brightness effect control circuit module 32. The LOGO lamp is powered and brightness adjusted by the LOGO lamp power supply circuit module 31 and the LOGO lamp brightness effect control circuit module 32.

The LOGO lamp power supply circuit module 31 comprises a left singlechip U3, a resistor Rl1, a resistor Rl2, a voltage stabilizing diode Zl1, a triode Ql1 and a triode Ql2, and is used for controlling whether the LOGO lamp is electrified. In one embodiment, transistor Ql1 is a P-MOSFET (P-type field effect transistor). In one embodiment, transistor Ql2 is an NPN transistor.

The pin I/O-n+1 of the left singlechip U3 is connected with the base electrode of the triode Ql 2. The emitter of transistor Ql2 is grounded. The collector of the triode Ql2 is connected with one end of a resistor Rl2, and the other end of the resistor Rl2 is connected with the grid electrode of the triode Ql1, one end of the resistor Rl1 and a connection point of the anode of the zener diode Zl 1. One end of the resistor R11 is connected with the grid electrode of the Ql1, and the other end is connected with the source electrode of the triode Ql 1. One end of the positive electrode of the voltage stabilizing diode Zl1 is connected with the grid electrode of the triode Ql1, and one end of the negative electrode is connected with the source electrode of the triode Ql 1. The drain electrode of triode Ql1 is connected with the positive pole of LOGO banks of LOGO lamp module.

LOGO lamp brightness effect control circuit module 32, including right singlechip U8, resistance Rr1, resistance Rr2, zener diode Zr1, triode Qr1 and triode Qr2, control LOGO lamp is when powering up according to appointed luminance and breathing effect and light.

In one embodiment, transistor Qr1 is a P-MOSFET (P-type field effect transistor). In one embodiment, transistor Qr2 is an NPN transistor.

The breathing effect means that the LOGO lamp circularly changes from the highest value to the lowest value, then from the lowest value to the highest value, or circularly changes from the lowest value to the highest value, then from the highest value to the lowest value in a set brightness value interval at a set frequency.

The pin I/O-n+1 of the right singlechip U8 is connected with the base electrode of the triode Qr 2. The emitter of transistor Qr2 is grounded. The collector of transistor Qr2 is connected to one end of resistor Rr 2. The other end of the resistor Rr2 is connected with the grid electrode of the triode Qr1, one end of the resistor Rr1 and a connection point of the anode of the zener diode Zr 1. One end of the resistor Rr1 is connected with the grid electrode of the transistor Qr1, and the other end of the resistor Rr1 is connected with the source electrode of the transistor Qr 1. One end of the positive electrode of the voltage stabilizing diode Zr1 is connected with the grid electrode of the triode Qr1, and one end of the negative electrode is connected with the source electrode of the triode Qr 1. The drain electrode of the triode Qr1 is connected with a pin LOGO-PWM of the LED constant current driver U5.

In the embodiment of fig. 3, the position lamp constant current circuit module 4 includes a left position lamp constant current circuit module 41 and a right position lamp constant current circuit module 42.

In the embodiment of fig. 3, the left position lamp constant current circuit module 41 includes a left LED lamp group, a resistor Rl3, and an LED constant current driver U4. The left LED light group is a combination of a series of LEDs, including LEDl1, LEDl2, LEDl3, & gt, LEDl N-2, LEDl N-1, LEDl N, N having values of 1,2 &..n, N being the total number of Channel pins of the LED constant current driver U4, every 3 LEDs being connected in series in a column. One end of the negative electrode of each row of LEDs is connected with an LED constant current driver U4, and one end of the positive electrode is connected with KL30. When the power supply is connected with the reverse circuit module 6, one end of each row of LEDs is connected with the output end of the reverse circuit module 6.

LEDl1, LEDl, LEDl3 are connected in series, and then the cathode of LEDl is connected with a pin Channel 1 of the LED constant current driver U4. By analogy, LEDl n-2, LEDl n-1 and LEDl n are connected in series, and then the LEDl n negative electrode is connected with a pin Channel n of the LED constant current driver U4. LEDl1, LEDl, and,

LEDl3n-2 is connected to one end of the cathode of diode Dl 1. The R-bin pin of the LED constant current driver U4 is connected with a resistor Rl3 in series and then grounded.

In the embodiment of fig. 3, the right position lamp constant current circuit module 42 includes a right LED lamp group, a resistor Rr3, and an LED constant current driver U9. The right LED light set, which is also a combination of a series of LEDs, includes LEDr1, LEDr, LEDr3, & gt, LEDr N-2, LEDr N-1, LEDr N, N having values of 1,2 &..n, N is the total number of Channel pins of the LED constant current driver U9, and every 3 LEDs are connected in series in a column. One end of each row of LED negative electrodes is connected with an LED constant current driver U9, and one end of each row of LED positive electrodes is connected with KL30. When the power supply is connected with the reverse circuit module 6, one end of each row of LEDs is connected with the output end of the reverse circuit module 6.

LEDr1, LEDr, LEDr3 are connected in series, and then the cathode of LEDr is connected with a pin Channel 1 of the LED constant current driver U9. By analogy, LEDr n-2, LEDr n-1 and LEDr n are connected in series, and then the LEDr n negative electrode is connected with a pin Channel n of the LED constant current driver U9. LEDr1, LEDr, LEDr n-2 are connected to the negative terminal of diode Dr 1. The R-bin pin of the LED constant current driver U9 is connected with a resistor Rr3 in series and then grounded.

In the embodiment of fig. 3, the LOGO lamp constant current circuit module 5 includes a LOGO lamp bank and an LED constant current driver U5. The LOGO lamp set is a combination of a series of LOGO lamps, and the LOGO lamp set comprises LOGO1, LOGO2, LOGO3, & gt, LOGO3N-2, LOGO3N-1 and LOGO3N, wherein the value of N is 1,2, & gt, N and N are the total number of Channel pins of the LED constant current driver U5, and every 3 LOGO lamps are connected in series to form a column. One end of each row of LOGO lamp negative electrode is connected with the LED constant current driver U5, and one end of each positive electrode is connected with the output end of the LOGO lamp power supply circuit module 31.

After LOGO1, LOGO2 and LOGO3 are connected in series, the LOGO3 cathode is connected with a pin Channel 1 of the LED constant current driver U5. And by analogy, after the LOGO3n-2, the LOGO3n-1 and the LOGO3n are connected in series, the cathode of the LOGO3n is connected with a pin Channel n of the LED constant current driver U5. LOGO1, LOGO4,..A positive electrode of LOGO3n-2 is connected to one end of the drain electrode of transistor Ql 1.

Alternatively, the LED constant current driver U4, the LED constant current driver U5, and the LED constant current driver U9 may be available in the type TLD2314EL.

The LOGO lamp functions as a position lamp when the vehicle is running normally, and is always lighted in a lighting form of a preset light color. The preset light color may be red. Alternatively, the intensity and color of the LOGO light may be the same as or different from the position light. When the vehicle is in a charging mode, the LOGO lamp and the position lamp serve as a charging indicator lamp of the battery power for obviously distinguishing the state and the height of the battery power.

In the following, a rear position light and a rear LOGO light in a penetrating taillight are taken as light circuits for indicating the charge power, and further explaining that when the vehicle is in a charging mode, the rear position light and the rear LOGO light are respectively used for indicating the section where the battery power is located with various different dynamic indication effects.

The charging electric quantity is displayed according to a certain electric quantity value interval, the interval is distinguished according to a first electric quantity value, a second electric quantity value and a third electric quantity value, and specific numerical values can be divided according to actual needs. In the following examples, the first electrical value was 25%, the second electrical value was 50%, and the third electrical value was 75%.

1) The battery is not charged and does not need to light the tail position lamp/the battery is not charged and does need to light the tail position lamp

Fig. 3 discloses a schematic diagram of a lamp circuit indicating a charged amount according to an embodiment of the present invention.

When the battery is not charged and the tail position lamp is not required to be lighted, the vehicle body controller sends an LIN signal, and the LIN signal is converted through the LIN transceiver U2 and the LIN transceiver U7 to inform the left singlechip U3 and the right singlechip U8 of the vehicle state at the moment.

The left singlechip U3 and the right singlechip U8 enter a dormant state, and simultaneously the LED constant current driver U4 and the LED constant current driver U9 are closed, so that the triode Ql1 and the triode Qr1 further close all the position lamp LEDs and the LOGO lamp circuits. The consumption current is less than 100uA and meets the power consumption requirement of the whole vehicle.

When the battery is not charged and the tail position lamp is required to be lighted, the vehicle body controller sends an LIN signal, and the LIN signal is converted through the LIN transceiver U2 and the LIN transceiver U7 to inform the left singlechip U3 and the right singlechip U8 of the vehicle state at the moment.

The left singlechip U3 drives all channels of the LED constant current driver U4 through pins I/O-1-I/O-n to light up a left LED lamp group of the left position lamp constant current circuit. The right singlechip U8 drives all channels of the LED constant current driver U9 through pins I/O-1-I/O-n to light a right LED lamp group of the right position lamp constant current circuit.

Meanwhile, the left singlechip U3 drives the triode Ql2 to be conducted through the pin I/O-n+1, so that the KL30 voltage is conducted through the diode Dl1, the resistor Rl1, the zener diode Zl1, the resistor Rl2 and the triode Ql2 to enable the triode Ql1 to be conducted in a direct current mode. The right singlechip U8 outputs PWM signals with fixed duty ratio through the pin I/O-n+1, and drives the triode Qr2 to be conducted, so that KL30 voltage conducts the triode Qr1 in a fixed PWM mode through the diode Dr1, the resistor Rr1, the voltage stabilizing diode Zr1, the resistor Rr2 and the triode Qr2, and the LOGO lamp and the position lamp are lightened with the same brightness.

2) The battery is in a charging state and the charging quantity is less than 25 percent

Fig. 4 a-4 e show the dynamic lighting effect of the position lamp and the LOGO lamp when the battery is in a charged state and the charging amount is less than 25%. In the embodiment shown in fig. 4 a-4 e, the left and right position lamps are two identical rectangular strips symmetrically distributed around the LOGO lamp. In other embodiments, the left and right position lights may be non-uniform in shape and non-symmetrical with the LOGO lights, so long as the left and right position lights and the LOGO lights can be illuminated and varied in the same manner without affecting the achievement of the objective. The left and right position lamps are a left position lamp and a right position lamp.

In the embodiment shown in fig. 4a to 4e, when the battery is in a charged state and the electric quantity is less than 25%, the LED lamp groups of the left and right position lamps are all turned off, and the LOGO lamp group is turned on in a breathing manner.

The left LED lamp group of the left position lamp constant current circuit is completely extinguished, the left singlechip U3 outputs a constant high level through the pin I/O-n+1 to drive the triode Ql2 to be conducted, and then the triode Ql1 is conducted in a direct current manner to supply power to the LOGO lamp group.

The right LED lamp group of the right position lamp constant current circuit is completely extinguished, the right singlechip U8 outputs PWM signals with variable duty ratio through the pin I/O-n+1, and the driving triode Qr2 is turned on/off, so that the triode Qr1 is controlled to be output by the variable PWM signals, the LED constant current driver U5 receives the PWM signals of the triode Qr1, the brightness of the LOGO lamp group is controlled to be continuously lightened in a breathing mode, and the range of the battery charging electric quantity is indicated by the circulation. In some embodiments, the PWM signal output by Qr1 is continuously varied from 10% to 100% at a step size of 1% at 220 Hz.

Fig. 4a to 4e are schematic views of dynamic lighting effects represented by gray scale, all LED lamp groups are turned off, and the LOGO lamp group gradually changes from the lowest brightness to the highest brightness. Fig. 4a shows a first state diagram of the dynamic lighting effect of the position lamp and the LOGO lamp when the battery is in a charged state and the charged electric quantity is less than 25%, in which the LED lamp groups of the left and right position lamps are all extinguished, and the brightness of the LOGO lamp group is the lowest value. Fig. 4e shows a fifth state diagram of the dynamic lighting effect of the position lamp and the LOGO lamp when the battery is in a charged state and the charged electric quantity is less than 25%, in which the LED lamp groups of the left and right position lamps are all extinguished, and the brightness of the LOGO lamp group is the highest value. The preset light color of the LOGO light bank may be red.

3) The battery is in a charged state, and the electric quantity is more than 25 percent and less than 100 percent

When the battery is in a charging state and the electric quantity is greater than 25% and less than 100%, the LOGO lamp power supply circuit module and the LOGO lamp brightness effect control circuit module control the LOGO lamp to be lighted, and the LOGO lamp brightness is the same as the brightness when the left LED lamp group and the right LED lamp group of the left lamp and the right lamp are lighted.

The LED lamp sets of the position lamps in the left and right position lamp constant current circuits are gradually and dynamically lightened from the part close to LOGO, namely the middle part to the two sides according to the battery charging electric quantity, so that the range of the battery charging electric quantity is indicated.

In order to clearly distinguish the range of the battery power, the LED lamp components of the left and right position lamps may be divided into 3 lighting areas, as shown in fig. 5, and fig. 5 discloses a schematic diagram of the division of the lighting areas of the position lamps according to an embodiment of the present invention.

The position lamp LED lamp group in the left-right position lamp constant current circuit is divided into a first lighting region 401, a second lighting region 402, and a third lighting region 403 in this order from the portion near the LOGO lamp to the outside, i.e., the middle portion to the both sides. The first lighting area 401 corresponds to an electric quantity of greater than 25% and less than 50%, the second lighting area 402 corresponds to an electric quantity of greater than 50% and less than 75%, and the third lighting area 403 corresponds to an electric quantity of greater than 75% and less than 100%.

Fig. 6a to 6d show the dynamic lighting effects of the position lamp and the LOGO lamp when the battery is in a charged state and the charging quantity is more than 25% and less than 50%.

When the battery is in a charged state and the electric quantity is more than 25% and less than 50%, the LOGO lamp is always lighted, and the brightness is the same as that when the left and right LED lamp groups of the left and right position lamps are lighted. The LED lamps in the first lighting region 401 are gradually lighted from inside to outside, thereby cycling.

Fig. 6a to 6d are schematic views of dynamic lighting effects of the first lighting region indicated by gray scale, and fig. 6a discloses a schematic view of the first state of dynamic lighting effects of the position lamp and the LOGO lamp when the battery is in a charged state and the charged electric quantity is greater than 25% and less than 50%, wherein the LED lamps in the same color as the LOGO lamp in the first lighting region 401 are in a lit state, and the LED lamps in the rest of the first lighting region 401 are in an unlit state. Fig. 6d shows a fourth state of dynamic lighting effect of the position lamp and the LOGO lamp when the battery is in a charged state and the charged electric quantity is greater than 25% and less than 50%, and in this state, all the LED lamps in the first lighting area 401 are lighted, and the brightness and color of the LED lamps are the same as those of the LOGO lamp.

Fig. 7a to 7d show the dynamic lighting effects of the position lamp and the LOGO lamp when the battery is in a charged state and the charging quantity is more than 50% and less than 75%.

When the battery is in a charged state and the electric quantity is more than 50% and less than 75%, the LOGO lamp is always lighted, and the brightness is the same as that when the left and right LED lamp groups of the left and right position lamps are lighted. The LED lamps in the first lighting region 401 are always lighted, and the LED lamps in the second lighting region 402 are gradually lighted from inside to outside, thereby cycling.

Fig. 7a to 7d are schematic views of dynamic lighting effects of the second lighting area represented by gray scale, fig. 7a discloses a schematic view of a first state of dynamic lighting effect of the position lamp and the LOGO lamp when the battery is in a charged state and the charged electric quantity is greater than 50% and less than 75%, wherein all the LED lamps in the first lighting area 401 are lighted, the brightness and color of the LED lamps are the same as those of the LOGO lamp, and the LED lamps in the second lighting area 402 are in an unlit state. Fig. 7b shows a schematic diagram of a second state of dynamic lighting effect of the position lamp and the LOGO lamp when the battery is in a charged state and the charged electric quantity is greater than 50% and less than 75%, wherein all the LED lamps in the first lighting area 401 are lighted, the LED lamps in the same color as the LOGO lamp in the second lighting area 402 are in a lighted state, and the LED lamps in the rest of the second lighting area 402 are in a non-lighted state. Fig. 7d shows a fourth state of dynamic lighting effect of the position lamp and the LOGO lamp when the battery is in a charged state and the charged power is greater than 50% and less than 75%, in which all the LED lamps in the first lighting area 401 and the second lighting area 402 are lighted, and the brightness and color of the LED lamps are the same as those of the LOGO lamp.

Fig. 8 a-8 d show the dynamic lighting effect of the position lamp and the LOGO lamp when the battery is in a charged state and the charging quantity is more than 75% and less than 100%.

When the battery is in a charged state and the electric quantity is more than 75% and less than 100%, the LOGO lamp is always lighted, and the brightness is the same as that when the left and right LED lamp groups of the left and right position lamps are lighted. The LED lamps in the first lighting region 401 and the second lighting region 402 are always lighted, and the LED lamps in the third lighting region 403 are gradually lighted from inside to outside, thereby cycling.

Fig. 8a to 8d are schematic views of dynamic lighting effects of the third lighting area indicated by gray scale, fig. 8a discloses a schematic view of a first state of dynamic lighting effects of the position lamp and the LOGO lamp when the battery is in a charged state and the charged electric quantity is greater than 75% and less than 100%, wherein the LED lamps in the first lighting area 401 and the second lighting area 402 are all lighted, the brightness and color of the LED lamps are the same as those of the LOGO lamp, and the LED lamps in the third lighting area 403 are in an unlit state. Fig. 8b shows a second state schematic diagram of dynamic lighting effects of the position lamp and the LOGO lamp when the battery is in a charged state and the charged electric quantity is greater than 75% and less than 100%, wherein all the LED lamps in the first lighting area 401 and the second lighting area 402 are lighted, the LED lamps in the same color as the LOGO lamp in the third lighting area 403 are in a lighted state, and the LED lamps in the rest of the third lighting area 403 are in a non-lighted state. Fig. 8d shows a fourth state of dynamic lighting effect of the position lamp and the LOGO lamp when the battery is in a charged state and the charged electric quantity is greater than 75% and less than 100%, in which all the LED lamps in the first lighting area 401, the second lighting area 402 and the third lighting area 403 are lighted, and the brightness and color of the LED lamps are the same as those of the LOGO lamp.

4) The battery is in a charged state and the electric quantity is full

FIG. 9 shows the dynamic lighting effect of the position light and the LOGO light when the battery is in a charged state and the electric quantity is full.

In the embodiment shown in fig. 9, when the battery is in a charged state and the electric quantity is full, the LOGO lamp and the position lamp LED lamp group in the left and right position lamp constant current circuits are always lighted with the same brightness.

In the above embodiment, the brightness and the color of the light emitted by the LOGO light and the position light LED light set are the same, and in other embodiments, the brightness and the color of the LOGO light and the position light LED light set may not be identical, and the brightness and the color in each area of the position light LED light set may also be inconsistent, so that the appearance change does not affect the realization of the function.

The lamp circuit indicating the charge level also includes a fault alert mode. When the rear position lamp LED lamp is required to be lighted except that the battery is not charged and the rear position lamp in the penetrating type tail lamp is not required to be lighted, if the left LED lamp group of the rear position lamp fails, the LED constant current driver U4 informs the left singlechip U3 through the Fault-1 pin of the LED constant current driver U3, and the left singlechip U3 receives a Fault signal and feeds back the Fault signal to the vehicle body controller through the LIN transceiver U2 to inform the left LED lamp group of the left position lamp constant current circuit module that the Fault occurs. If the right LED lamp group of the rear position lamp fails, the LED constant current driver U9 informs the right singlechip U8 through the Fault-1 pin of the LED constant current driver U9, the right singlechip U8 receives a Fault signal and feeds back the Fault signal to the vehicle body controller through the LIN transceiver U7, the right LED lamp group of the right position lamp constant current circuit module is informed of the Fault, and the driver is reminded of the damage of the corresponding vehicle lamp through the instrument. At the same time, the entire lamp circuit enters a sleep mode, in which little current is consumed.

While, for purposes of simplicity of explanation, the methodologies are shown and described as a series of acts, it is to be understood and appreciated that the methodologies are not limited by the order of acts, as some acts may, in accordance with one or more embodiments, occur in different orders and/or concurrently with other acts from that shown and described herein or not shown and described herein, as would be understood and appreciated by those skilled in the art.

As used in the specification and in the claims, the terms "a," "an," "the," and/or "the" are not specific to a singular, but may include a plurality, unless the context clearly dictates otherwise. In general, the terms "comprises" and "comprising" merely indicate that the steps and elements are explicitly identified, and they do not constitute an exclusive list, as other steps or elements may be included in a method or apparatus.

The embodiments described above are intended to provide those skilled in the art with a full range of modifications and variations to the embodiments described above without departing from the inventive concept thereof, and therefore the scope of the invention is not limited by the embodiments described above, but is to be accorded the broadest scope consistent with the innovative features recited in the claims.

Claims

1. A lamp circuit for indicating a charge level, comprising:

The single chip microcomputer detection control circuit module is connected with the modules, receives the vehicle body controller signals sent by the signal receiving and transmitting conversion circuit module, drives the LED lamps in the position lamp constant current circuit module and the marker lamp constant current circuit module to be lightened according to specified brightness and effect, and collects fault signals and feeds the fault signals back to the vehicle body controller through the signal receiving and transmitting conversion circuit module when the LED lamps are in fault, so that fault indication is carried out;

The single chip microcomputer detection control circuit module comprises a marker lamp power supply circuit module and a marker lamp brightness effect control circuit module, wherein the marker lamp power supply circuit module is used for controlling whether a marker lamp is electrified or not, and the marker lamp brightness effect control circuit module is used for controlling the marker lamp to be lightened according to specified brightness and a breathing mode when the marker lamp is electrified.

2. The lamp circuit for indicating a charge amount according to claim 1, wherein the single chip microcomputer detection control circuit module comprises:

The marker lamp power supply circuit module comprises a left singlechip U3, a first left resistor Rl1, a second left resistor Rl2, a first left zener diode Zl1, a first left triode Ql1 and a second left triode Ql2;

the marker lamp brightness effect control circuit module comprises a right singlechip U8, a first right resistor Rr1, a second right resistor Rr2, a first right zener diode Zr1, a first right triode Qr1 and a second right triode Qr2.

3. The lamp circuit for indicating the charge quantity according to claim 2, wherein the singlechip power supply circuit module comprises a left singlechip U3 power supply circuit module and a right singlechip U8 power supply circuit module,

4. The lamp circuit for indicating a charged amount according to claim 2, wherein the signal-to-transmit converting circuit module includes a first LIN transceiver U2 and a second LIN transceiver U7,

5. The lamp circuit for indicating a charged amount according to claim 2, wherein the position lamp constant current circuit module includes a left position lamp constant current circuit module and a right position lamp constant current circuit module,

6. The lamp circuit for indicating the charging capacity according to claim 2, wherein the marker lamp constant current circuit module comprises a marker lamp set and a third LED constant current driver U5, the third LED constant current driver U5 receives the signal sent by the left single chip microcomputer U3 to supply power to the corresponding marker lamp set, and the third LED constant current driver U5 receives the signal sent by the right single chip microcomputer U8 to adjust the brightness and the breathing mode of the corresponding marker lamp set.

7. The lamp circuit for indicating the charge capacity according to claim 6, wherein the lamp brightness effect control circuit module controls the brightness and the lighting mode of the lamp group in the lamp constant current circuit module according to the PWM signal with the duty ratio change output by the right single chip microcomputer U8.

8. The lamp circuit for indicating a charge amount according to claim 1, further comprising: the power supply is prevented from being connected with the reverse circuit module and is connected with the power supply end to block reverse current of the power supply.

9. The lamp circuit for indicating a charge level as defined in claim 1, wherein the position lamp is turned off entirely when the battery is in a charged state and the charge level is less than the first charge level value, and the sign lamp is turned on cyclically in a breathing manner.

10. The lamp circuit for indicating a charge amount according to claim 1, wherein the battery is in a charged state and the charge amount is greater than the first charge amount and less than 100%, and the sign lamp is turned on with the same brightness as the position lamp when the position lamp is turned on, and the position lamp LED lamp group in the position lamp constant current circuit module is gradually and dynamically turned on to both side portions from a middle portion near the sign lamp according to the charge amount of the battery.

11. The lamp circuit for indicating a charge amount according to claim 1, wherein the battery is in a charged state and the amount of electricity is larger than the first amount of electricity and smaller than the second amount of electricity, the sign lamp is lighted, the brightness is the same as the brightness when the position lamp is lighted, and the LED lamp group in the first lighting area of the position lamp constant current circuit module is gradually lighted from inside to outside, thereby cycling.

12. The lamp circuit for indicating a charge level according to claim 11, wherein the battery is in a charged state and the charge level is greater than the second charge level and less than the third charge level, the sign lamp is turned on with the same brightness as the position lamp in the on state, the LED lamp group in the first on region of the position lamp constant current circuit module is always on, and the LED lamp group in the second on region is gradually turned on from inside to outside, thereby cycling.

13. The lamp circuit for indicating a charge level according to claim 12, wherein the battery is in a charged state and the charge level is greater than a third charge level value, and when the charge level is less than 100%, the sign lamp is turned on, the brightness is the same as the brightness when the position lamp is turned on, the LED lamp groups in the first and second lighting regions of the position lamp constant current circuit module are always on, and the LED lamp groups in the third lighting region are gradually turned on from inside to outside, thereby cycling.

14. The lamp circuit for indicating a charged amount according to claim 1, wherein the marker lamp group of the marker lamp constant current circuit module and the LED lamp group of the position lamp constant current circuit module are normally lighted when the battery is in a charged state and the amount of electricity is full.