Output voltage control circuit used in active device
An output voltage and control circuit technology, applied in circuit devices, battery circuit devices, charging/discharging current/voltage regulation, etc., can solve the problems of electric vehicles that cannot be charged normally, charge attenuation, and affect work, and achieve normal charging. , easy to use effect
Inactive Publication Date: 2016-06-29
TIANJIN CHANGYUE ELECTRONICS SCI & TECH
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Problems solved by technology
[0004] When the battery is working in winter, there will be charging attenuation, which makes the electric vehicle cannot be charged normally and affects the normal work
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[0016] In order to make the object, technical solution and advantages of the present invention clearer, the implementation manner of the present invention will be further described in detail below in conjunction with the accompanying drawings.
[0017] In order to avoid charging attenuation, so that the battery can work normally under cold conditions, the embodiment of the present invention provides an adjustable output voltage control circuit in the activation device, see figure 1 , see the description below:
[0018] see figure 1 , an output voltage adjustable control circuit in an activation device, comprising: a first resistor R47, one end of the first resistor R47 is connected to the control signal RP_CTR sent by the main control circuit, the other end is connected to the base of the transistor T5, and the collector of the transistor T5 The electrode is grounded, the emitter of the transistor T5 is connected to the fourth terminal of the relay K1, and the third terminal ...
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The invention discloses an output voltage adjustable control circuit in an active device. The output voltage adjustable control circuit comprises a first resistor, wherein one end of the first resistor is connected with a control signal sent from a main control circuit, the other end of the first resistor is connected with a base of a triode, a collector of the triode is grounded, an emitter of the triode is connected with a fourth end of a relay, a third end of the relay is connected with one end of a second adjustable resistor and one end of a third resistor separately, the other end of the third resistor is connected with a feedback signal acquisition circuit, the other end of the second adjustable resistor is connected with a first end of the relay and a fourth resistor separately, the fourth resistor is connected with a charging time control circuit and an output voltage rectification filter circuit separately, and a fifth end of the relay outputs a 14V voltage signal through a fifth resistor. The output voltage control circuit is used for controlling the opening and closing of the relay by switching on and switching off the triode, the feedback signal is controlled by controlling the connection and disconnection of the second adjustable resistor, thus, the output voltage value is controlled, and normal charging is achieved.
Description
technical field [0001] The invention relates to the field of intelligent storage batteries, in particular to an output voltage control circuit used in an activation device. Background technique [0002] As a clean and green energy, battery pack has been widely used, especially in electric vehicles. It is only a few years since the rise of the electric vehicle industry in China. In this short period of time, the electric vehicle industry has achieved rapid development and considerable progress. For this reason, the battery of electric vehicles has played a vital role. [0003] In the process of realizing the present invention, it is found that there are at least the following shortcomings and deficiencies in the prior art: [0004] When the battery works in winter, there will be charging attenuation, which makes the electric vehicle cannot be charged normally and affects the normal work. Contents of the invention [0005] The present invention provides an adjustable outpu...
Claims
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IPC IPC(8): H02J7/00
CPCH02J7/00H02J7/007
Inventor 卜凤悦
Owner TIANJIN CHANGYUE ELECTRONICS SCI & TECH