CN215513320U

CN215513320U - New energy automobile power supply system

Info

Publication number: CN215513320U
Application number: CN202121779627.3U
Authority: CN
Inventors: 顾磊
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-08-02
Filing date: 2021-08-02
Publication date: 2022-01-14
Anticipated expiration: 2031-08-02

Abstract

The utility model relates to a new energy automobile power supply system, including former car group battery, reserve battery, boost circuit, buck circuit and control switch, former car group battery, boost circuit and buck circuit three connect in parallel each other, reserve battery electricity is connected between boost circuit and buck circuit, the voltage of former car group battery is higher than the voltage of reserve battery, reserve battery passes through boost circuit and charges for former car group battery, control switch electricity is connected in boost circuit, be provided with first anti-reflux components and parts between the anodal of former car group battery and the boost circuit, be provided with the second anti-reflux components and parts between reserve battery's the anodal and the buck circuit, be provided with third anti-reflux components and parts between the anodal of former car group battery and the buck circuit. The application has the following expected technical effects: when the original automobile battery pack is suddenly powered off, the standby battery pack can charge the original automobile battery pack through the boosting circuit, and the automobile can be ensured to continuously run for a certain distance.

Description

New energy automobile power supply system

Technical Field

The application relates to the technical field of new energy vehicles, in particular to a new energy vehicle power supply system.

Background

The new energy automobile adopts unconventional automobile fuel as a power source (or adopts conventional automobile fuel and a novel vehicle-mounted power device), integrates advanced technologies in the aspects of power control and driving of the automobile, and forms an automobile with advanced technical principle, new technology and new structure. Most of the common new energy vehicles on the market are electric vehicles, and the electric vehicles are suddenly powered off under the condition of large battery voltage difference or inaccurate voltmeter, so that the vehicles cannot continue to run.

SUMMERY OF THE UTILITY MODEL

In order to improve the problem of the easy sudden power failure of common electric automobile, this application provides a new energy automobile power supply system. The application provides a new energy automobile power supply system adopts following technical scheme: the utility model provides a new energy automobile power supply system, including former car group battery, reserve battery pack, boost circuit, buck circuit and control switch, former car group battery, boost circuit and buck circuit three connect in parallel each other, reserve battery pack electricity is connected between boost circuit and buck circuit, the voltage of former car group battery is higher than the voltage of reserve battery pack, reserve battery pack passes through boost circuit and charges for former car group battery, the control switch electricity is connected in boost circuit, be provided with first anti-reflux components and parts between anodal of former car group battery and the boost circuit, be provided with the second between reserve battery pack's the anodal and the buck circuit and prevent against current components and parts, be provided with third anti-reflux components and parts between the anodal of former car group battery and the buck circuit. Through adopting above-mentioned technical scheme, first prevent components and parts against current can effectively prevent former car group from giving boost circuit power supply, the second prevents components and parts against current can effectively prevent backup battery group from giving the power supply of buck circuit, third prevents components and parts against current can effectively prevent former car group from giving the power supply of buck circuit, when former car group gets into insufficient voltage state, start backup battery group through control switch, charge for former car group through boost circuit, can keep the vehicle to go a section distance at 30-40 KM/H's speed continuously, need not change the circuit, it is very convenient. Optionally, the voltage of the original automobile battery pack is 400-450V, and the voltage of the spare battery pack is 180-220V. By adopting the technical scheme, in the electric energy conversion process of the original automobile battery pack and the standby battery pack, the boosted supply current is about 20A and can be discharged between 2C and 3C, and the service lives of the original automobile battery pack and the standby battery pack are prolonged within the bearable range of the battery. Optionally, the battery capacity of the primary automobile battery pack is 40-60KWH, and the battery capacity of the backup battery pack is 4-5 KWH. By adopting the technical scheme, the original automobile battery pack can continue for 400-30 kilometers, and the standby battery pack can continue for 20-30 kilometers. Optionally, the first backflow prevention component, the second backflow prevention component and the third backflow prevention component are all one-way conductive diodes. By adopting the technical scheme, the one-way conductive diode is a common electronic component on the market, is convenient to purchase and has lower cost. Optionally, the system further comprises a charger for charging the original automobile battery pack, and the charger is connected in parallel with the original automobile battery pack. By adopting the technical scheme, the charger can stably charge the original automobile battery pack. Optionally, the new energy vehicle power supply system is integrated in a battery power supply pack. Through adopting above-mentioned technical scheme, it is small to occupy, and structural stability is high. In summary, the present application includes at least one of the following beneficial technical effects: the method comprises the following steps that 1, a first anti-reflux component can effectively prevent an original automobile battery pack from supplying power to a boosting circuit, a second anti-reflux component can effectively prevent a standby battery pack from supplying power to a voltage reduction circuit, a third anti-reflux component can effectively prevent the original automobile battery pack from supplying power to the voltage reduction circuit, when the original automobile battery pack enters a power shortage state, the standby battery pack is started through a control switch, the original automobile battery pack is charged through the boosting circuit, a vehicle can be kept to continuously run for a distance at the speed of 30-40KM/H, the circuit does not need to be changed, and the method is very convenient; and 2, in the electric energy conversion process of the original automobile battery pack and the standby battery pack, the boosted power supply current is about 20A, and the boosted power supply current can be discharged between 2C and 3C, so that the service lives of the original automobile battery pack and the standby battery pack are prolonged within the bearable range of the battery.

Drawings

Fig. 1 is a schematic structural diagram of a new energy vehicle power supply system according to an embodiment of the present application. Description of reference numerals: 1. a primary automotive battery pack; 2. a backup battery pack; 3. a boost circuit; 4. a voltage reduction circuit; 5. a control switch; 6. a first anti-reflux component; 7. a second anti-reflux component; 8. a third anti-reflux component; 9. a charger; 101. a battery powered package.

Detailed Description

The present application is described in further detail below with reference to fig. 1. The embodiment of the application discloses new energy automobile power supply system. Referring to fig. 1, new energy automobile power supply system includes former car group battery 1, reserve battery 2, boost circuit 3, buck circuit 4 and control switch 5, former car group battery 1, reserve battery 2, boost circuit 3 and buck circuit 4 four connect in parallel each other, the voltage of former car group battery 1 is higher than the voltage of reserve battery 2, reserve battery 2 charges for former car group battery 1 through boost circuit 3, control switch 5 electricity is connected in boost circuit 3, be provided with first anti-reflux components and parts 6 between the anodal of former car group battery 1 and boost circuit 3, be provided with second anti-reflux components and parts 7 between reserve battery 2's the anodal and buck circuit 4, be provided with third anti-reflux components and parts 8 between the anodal of former car group battery 1 and buck circuit 4. The voltage of the original automobile battery pack 1 is 400-450V (specifically 408V in this embodiment), the voltage of the standby battery pack 2 is 180-220V (specifically 220V in this embodiment), and the power supply current of the original automobile battery pack 1 and the standby battery pack 2 is about 20A after boosting in the electric energy conversion process, and can be discharged between 2C and 3C, so that the service lives of the original automobile battery pack 1 and the standby battery pack 2 are prolonged within the bearable range of the battery. The battery capacity of the original automobile battery pack 1 is 40-60KWH (specifically 52KWH in the embodiment), the battery capacity of the standby battery pack 2 is 4-5KWH (specifically 4.4KWH in the embodiment), the original automobile battery pack 1 can continue for 400-500 km for the automobile, and the standby battery pack 2 can continue for 20-30 km for the automobile. The first anti-reflux component 6, the second anti-reflux component 7 and the third anti-reflux component 8 are all one-way conductive diodes, and the one-way conductive diodes are common electronic components on the market, so that the electronic components are convenient to purchase and low in cost. The charger 9 is used for charging the original automobile battery pack 1, the charger 9 is connected with the original automobile battery pack 1 in parallel, and the charger 8 can charge the original automobile battery pack 1. The new energy automobile power supply system is integrated in the battery power supply package 101, and is small in occupied size and high in structural stability. The implementation principle of the new energy automobile power supply system in the embodiment of the application is as follows: first prevent that components and parts 6 can effectively prevent former car group battery 1 from giving boost circuit 3 power supply against current, second prevent against the current components and parts 7 can effectively prevent reserve battery 2 from giving step-down circuit 4 power supply, third prevent against the current components and parts 8 can effectively prevent former car group battery 1 from giving step-down circuit 3 power supply against current, when former car group battery 1 gets into insufficient voltage state, start reserve battery 2 through control switch 5, charge for former car group battery 1 through boost circuit 3, can keep the vehicle to last one section distance of traveling at 30-40 KM/H's speed, need not change the circuit, it is very convenient. The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. The utility model provides a new energy automobile power supply system which characterized in that: the device comprises an original automobile battery pack (1), a standby battery pack (2), a boosting circuit (3), a voltage reduction circuit (4) and a control switch (5), wherein the original automobile battery pack (1), the boosting circuit (3) and the voltage reduction circuit (4) are connected in parallel, the standby battery pack (2) is electrically connected between the boosting circuit (3) and the voltage reduction circuit (4), the voltage of the original automobile battery pack (1) is higher than that of the standby battery pack (2), the standby battery pack (2) charges the original automobile battery pack (1) through the boosting circuit (3), the control switch (5) is electrically connected with the boosting circuit (3), a first anti-backflow component (6) is arranged between the positive pole of the original automobile battery pack (1) and the boosting circuit (3), a second anti-backflow component (7) is arranged between the positive pole of the standby battery pack (2) and the voltage reduction circuit (4), and a third anti-reflux component (8) is arranged between the anode of the original automobile battery pack (1) and the voltage reduction circuit (4).

2. The new energy automobile power supply system according to claim 1, characterized in that: the voltage of the original automobile battery pack (1) is 400-450V, and the voltage of the spare battery pack (2) is 180-220V.

3. The new energy automobile power supply system according to claim 2, characterized in that: the battery capacity of the original automobile battery pack (1) is 40-60KWH, and the battery capacity of the standby battery pack (2) is 4-5 KWH.

4. The new energy automobile power supply system according to claim 1, characterized in that: the first anti-reflux component (6), the second anti-reflux component (7) and the third anti-reflux component (8) are all one-way conductive diodes.

5. The new energy automobile power supply system according to claim 1, characterized in that: the automobile charger is characterized by further comprising a charger (9) used for charging the original automobile battery pack (1), wherein the charger (9) is connected with the original automobile battery pack (1) in parallel.

6. The new energy automobile power supply system according to claim 5, characterized in that: the new energy automobile power supply system is integrated in a battery power supply package (101).