On-line charging type electrombile brake energy recovering system
A braking energy recovery system technology, applied in electric braking systems, electric vehicles, battery circuit devices, etc., can solve the problems of braking energy waste, easy damage, short service life, etc.
Inactive Publication Date: 2013-12-11
WUHAN YINGKANG HUITONG ELECTRIC
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Problems solved by technology
[0004] However, there are at least two deficiencies in the release of braking energy through the braking resistor in the line network mode: one is that the braking energy is completely wasted and cannot be recycled; the other is that when the braking energy is released through the braking resistor, the braking resistor will Huge heat is generated, special protection treatment is required for the braking resistor, and it is easy to damage and has a short service life
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[0015] Embodiments of the present invention are described in detail below, examples of which are shown in the drawings, wherein the same or similar reference numerals designate the same or similar elements or elements having the same or similar functions throughout. The embodiments described below by referring to the figures are exemplary only for explaining the present invention and should not be construed as limiting the present invention.
[0016] In describing the present invention, it should be understood that the terms "longitudinal", "transverse", "upper", "lower", "front", "rear", "left", "right", "vertical", The orientation or positional relationship indicated by "horizontal", "top", "bottom", "inner", "outer", etc. are based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than Nothing indicating or implying that a referenced device or elem...
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The invention discloses an on-line charging type electrombile brake energy recovering system which comprises a motor controller (1). The motor controller (1) is used for controlling a motor M and at least comprises a power switch Va, an anti-inversing diode D1, a brake resistor R2 and a battery BT, wherein the anti-inversing diode D1 is used for preventing the current from inversely flowing to the positive pole of a net power source, the brake resistor R2 and the battery BT are connected in series to be connected with the power switch Va in series to be connected to the position between a positive pole bus M+ of the motor controller (1) and a negative pole bus M- of the motor controller (1), and the positive pole of the battery BT is connected with the positive pole bus M+. The on-line charging type electrombile brake energy recovering system is simple in principle and high in reliability, the battery is directly used for recovering motor brake energy in net mode operation under the condition that no energy conversion device is additionally arranged, the energy is sufficiently saved, and the operation cost is reduced.
Description
technical field [0001] The invention relates to a braking energy recovery device for an electric vehicle, in particular to a braking energy recovery system for an online charging type electric vehicle. Background technique [0002] On-line rechargeable electric vehicles add batteries as auxiliary power sources to traditional trolleybuses. The power supply is directly provided by the wire network to the motor or the battery directly provides power to the motor. When the battery is used alone for driving, it is referred to as the auxiliary source mode; when the wire network is used for driving alone, it is referred to as the wire network mode. When the road section of the wired network adopts the line network mode, the wireless network or the off-line mode adopts the auxiliary source mode, and the battery power supply continues to run, and the two modes operate alternately. When the vehicle is running in wire-net mode, the wire network not only provides power directly to the ...
Claims
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IPC IPC(8): B60L7/22H02J7/00
Inventor 黄兴陈正全熊宇
Owner WUHAN YINGKANG HUITONG ELECTRIC