Automatic standby power supply converter capable of extending driving distance of electromobile
A backup power supply and switching device technology, which is applied in the direction of circuit devices, emergency power supply arrangements, electrical components, etc., can solve the problem of mileage reduction and achieve the effect of prolonging life
Inactive Publication Date: 2012-12-12
庄景阳
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Problems solved by technology
[0002] At present, the power supply of electric vehicles is an external power supply to supplement electric energy for it, and with the prolongation of use time, the capacity of the battery will also decrease, resulting in a decrease in mileage, and the replacement of a set of batteries is based on 12V24AH. It is close to 1,000 yuan, and the service life is about 2 years
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[0010] figure 1 It is a connection diagram of an automatic backup power switching device of the present invention to extend the mileage of an electric vehicle and the original vehicle battery pack. Its structure is composed of a relay 1, a control module 2, a backup battery 3 and an original vehicle battery pack 4. exist figure 1 Among them, the negative pole of the original car battery pack 4 is disconnected and connected to the common terminal of relay 1, a wire is drawn from the normally closed end of relay 1 to connect to the positive pole of the spare battery 3, and a wire is drawn from the normally open end of relay 1 to be connected to the negative pole Above, the negative pole of the backup battery 3 is connected to the negative pole of the original vehicle, the two ends of the coil of the relay 1 are respectively connected to the output terminal of the control module 2, and the power input terminal of the control module 2 leads to two positive and negative power lines...
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The invention relates to an automatic standby power supply converter capable of extending driving distance of an electromobile, consisting of a relay, a control module and a standby battery. The automatic standby power supply converter is characterized in that a negative electrode of an original vehicle battery pack is connected with a public end of the relay after being switched off, a line led out from a normally closing end of the relay is connected with a positive electrode of the standby battery, a line led out from a normally opening end of the relay is connected with the negative electrode, the negative electrode of the standby battery is connected with the negative electrode of an original vehicle, two ends of a coil of the relay are respectively connected with an output end of the control module, and a power supply input end of the control module leads out two positive and negative power supply lines. The automatic standby power supply converter disclosed by the invention has the beneficial effects that the driving distance of the electromobile is prolonged by 10-35km by converting a switch and the service life of a battery pack is prolonged by more than 50% when the original electric power is insufficient to drive a vehicle on the premise of ensuring the original driving distance.
Description
technical field [0001] The invention relates to a power supply device of an electric vehicle, in particular to an automatic standby power switching device to extend the mileage of the electric vehicle. Background technique [0002] At present, the power supply of electric vehicles is an external power supply to supplement electric energy for it, and with the prolongation of use time, the capacity of the battery will also decrease, resulting in a decrease in mileage, and the replacement of a set of batteries is based on 12V24AH. It is close to 1,000 yuan, and the service life is about 2 years. Contents of the invention [0003] The purpose of the present invention is to provide an automatic backup power switching device to extend the mileage of electric vehicles, which can automatically switch to the backup power supply when the original electric energy drops to a certain extent under the condition of ensuring the original mileage, so that the mileage of electric vehicles c...
Claims
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IPC IPC(8): H02J9/06
CPCY02B70/30Y04S20/20
Inventor 庄景阳
Owner 庄景阳