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Main power supply awakening device of electric automobile

A wake-up device, electric vehicle technology, applied in electric vehicles, battery circuit devices, circuit devices, etc., can solve the problems of increasing the load and fuel consumption of the car, the trouble of supplementing electric energy, and the volume occupied by the battery, so as to reduce production costs and wake up quickly. , the effect of simple circuit structure

Active Publication Date: 2012-07-25
CHONGQING SOKON IND GRP CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] 1. It is troublesome to supplement electric energy. The charging of the battery on fuel vehicles is achieved through the engine driving the generator through a voltage regulator, which is relatively easy. On pure electric vehicles, it is only charged through the power battery pack through the main power supply DCDC / DC. Charging, in addition to self-discharge, there is also a large conversion loss during charging and discharging;
[0005] 2. The economy is poor, and additional equipment needs to be added;
[0006] 3. The installation volume is large, and the battery needs to occupy a certain volume, which increases the load and fuel consumption of the car at the same time

Method used

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  • Main power supply awakening device of electric automobile
  • Main power supply awakening device of electric automobile
  • Main power supply awakening device of electric automobile

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0053] Such as figure 2 As shown, in this embodiment, the startup module includes a third resistor R3, a fourth resistor R4, a fifth resistor R5, a sixth resistor R6, a second diode D2, a third diode D3, a fourth diode D4 and the first capacitor C1, the anode of the second diode D2 is used as the first input terminal A1 of the startup module, the anode of the third diode D3 is used as the second input terminal A2 of the startup module, the first The negative poles of the second diode D2 and the third diode D3 are connected, and the common contact of the two is connected in series with the fifth resistor R5 and then connected to the positive pole of the fourth diode D4, and the negative pole of the fourth diode D4 As the high-level output terminal A3 of the startup module; the anode of the first capacitor C1 is connected to the anode of the fourth diode D4, the cathode of the first capacitor C1 is grounded, and the fifth resistor R5 is connected to the first The capacitor C1 ...

Embodiment 2

[0062] Such as image 3 As shown, in this embodiment, the starting module and the action module are the same as the first embodiment, the difference is that the enabling module adopts other components, and the enabling module of this embodiment includes a seventh resistor R7, an eighth resistor R8, The ninth resistor R9, the tenth resistor R10, the eleventh resistor R11, the twelfth resistor R12, the second transistor Q2, the third transistor Q3 and the photocoupler U2, the light emitting device of the photocoupler U2 The positive pole of the seventh resistor R7 is connected to one end of the seventh resistor R7, the other end of the seventh resistor R7 is used as the high-level input terminal A4 of the enable module, the negative pole of the light-emitting device of the photocoupler U2 is grounded, and the light of the photocoupler U2 The collector of the receiving device is connected to the power supply terminal VCC of the auxiliary power supply module through the eighth res...

Embodiment 3

[0065] Such as Figure 4 As shown, in this embodiment, the starting module, auxiliary power module and enabling module are the same as those in Embodiment 2, the difference is that the action module has changed, and the action module in this embodiment includes a first resistor R1, a second resistor R2, The thirteenth resistor R13, the fourteenth resistor R14, the fifth diode D5 and the comparator U1, one end of the first resistor R1 is connected with one end of the second resistor R2 to form a common contact, which is used as the action module The second output terminal A11; the other end of the first resistor R1 is connected to the first voltage output terminal V1 of the auxiliary power module; the other end of the second resistor R2 is connected to the inverting terminal of the comparator U1, and the comparator U1 The non-inverting terminal of the comparator U1 is connected to the first voltage output terminal V1 of the auxiliary power supply module through the thirteenth r...

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Abstract

The invention discloses a main power supply awakening device of an electric automobile. The device comprises a starting module, an action module, an enabling module and an auxiliary power supply module. The circuit structure of the main power supply awakening device is simple, the production cost is reduced, the awakening expansion use is not limited, meanwhile, through the adoption of the more compact circuit structure arrangement, the device use is reduced, and the self power consumption is further reduced. Compared with the auxiliary storage battery mode adopted by the existing electric automobile, the main power supply awakening device has the advantages that the size is smaller, the weight is lighter, the power loss in the work process is low, and the awakening speed is high.

Description

technical field [0001] The invention relates to a wake-up device for a main power supply of an electric vehicle. Background technique [0002] In terms of fuel vehicles, when the driver stops and takes the key, he can also operate the remote control, emergency lights, interior lights, horns, etc. The same function is also required for electric vehicle parking, and it is also required to provide protection voltage for the information that needs to be memorized on the vehicle. [0003] At present, the method of adding an auxiliary 12V battery is usually used to meet these operations on pure electric vehicles, but this technology has the following shortcomings: [0004] 1. It is troublesome to supplement electric energy. The charging of the battery on fuel vehicles is achieved through the engine driving the generator through a voltage regulator, which is relatively easy. On pure electric vehicles, it is only charged through the power battery pack through the main power supply ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H02J7/00H02J7/34
Inventor 张兴海熊代荣程波梁鹏李珩南富乾冷全生刘保良
Owner CHONGQING SOKON IND GRP CO LTD
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