Manual standby power switching device for prolonging travel mileage of electrombile
A switching device and backup power technology, which is applied in the direction of circuit devices, emergency power arrangements, electrical components, etc., can solve the problem of mileage reduction and achieve the effect of prolonging life
Inactive Publication Date: 2012-12-19
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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[0011] figure 1 It is a connection diagram of a manual backup power switching device to extend the mileage of an electric vehicle and the battery pack of the original car. 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 First, the negative pole of the backup battery 3 is connected to the negative pole of the original car, one end of the coil of the relay 1 leads to a negative pole, the other end of the coil of the relay 1 leads to a positive pole, and a switch 2 is connected in series in the middle of the positive pole.
[0012] Case 1: a brand-new 48V electric vehicle, after the present invention is installed, the backup battery 3 selects the brand-new 12V battery consistent w...
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The invention discloses a manual standby power switching device for prolonging travel mileage of an electrombile. The manual standby power switching device is composed of a relay, a switch and a standby battery; the manual standby power switching device is characterized in that the cathode of an original car battery pack is connected with a common end of the relay after being cut off; a wire is led out from a normally closed end of the relay to be connected with an anode of the standby battery; a lead is led out from a normally open end of the relay to be connected to the cathode; the cathode of the standby battery is connected to the cathode of an original car; a cathode wire is led out from one end of a coil of the relay; an anode wire is led out from the other end of the coil of the relay, and a switch is connected to the middle of the anode wire in series. The manual standby power switching device has the beneficial effects that the travel mileage of the electrombile is increased by 10-35 kilometers by a change-over switch under the state of ensuring the original travel mileage when the original electric energy is not enough to drive the car, and the service life of the battery pack is prolonged by more than 50%.
Description
technical field [0001] The invention relates to a power supply device of an electric vehicle, in particular to a manual 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 a manual backup power switching device to extend the mileage of the electric vehicle, which can increase the mileage of the electric vehicle through the switch when the original electric energy is not enough to drive the vehicle under the condition of ensuring the original mileage 10~35 kilometers, and ...
Claims
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IPC IPC(8): H02J9/04
CPCY02B70/30Y04S20/20
Inventor 庄景阳
Owner 庄景阳