Battery constant temperature system for maintaining the mileage of an electric vehicle in a low temperature environment
A low-temperature environment, cruising range technology, applied in the direction of electric vehicles, battery temperature control, secondary batteries, etc., can solve the problems that the service life of the cruising mileage battery has not been greatly improved, and the battery temperature is low, so as to achieve simple structure and improve battery life. performance, avoiding battery life effects
Inactive Publication Date: 2019-01-25
QUECLINK WIRELESS SOLUTIONS HF CO LTD
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Problems solved by technology
At present, there is basically no treatment for the above-mentioned electric vehicle batteries in the market. The only measure for some after-installation is to use thermal insulation sleeves for heat preservation. However, the battery temperature is still low in low-temperature environments, so it has no effect on the cruising range and battery life. much improvement
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[0030] In order to make the technical means, creative features, goals and effects of the present invention easy to understand, the following embodiments will specifically illustrate the battery constant temperature system for maintaining the cruising range of electric vehicles in a low-temperature environment according to the present invention in conjunction with the accompanying drawings.
[0031] The power supply of an electric vehicle is generally composed of a plurality of batteries connected in series to form a battery pack, and the battery pack provides electric energy for the electric car.
[0032] Such as figure 1 , figure 2 As shown, the battery constant temperature system for maintaining the cruising range of an electric vehicle in a low temperature environment includes: a plurality of temperature sensors 10 , a cooling unit 20 , a heating unit 30 , a main control board 40 , a main switch 50 , and a heating switch 60 .
[0033] Each temperature sensor 10 is connect...
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The invention provides a battery constant temperature system for maintaining the mileage of an electric vehicle in a low temperature environment, comprises a plurality of temperature sensors, a plurality of heat dissipation units, a plurality of heating units, a main control board, a heating switch and a main switch, a plurality of temperature sensors, a plurality of heating units and a main control board are connected with the battery pack, and a temperature sensor is installed on the outer surface of each battery pack; Each side surface and bottom surface of each battery are provided with aheat dissipation unit, each electric heating unit is provided with a heating unit, and the heating switch is a normally open switch, which is connected in a heating circuit composed of the heating unit and the battery pack and is connected with a main control board; The main switch is a normally closed switch, which is connected with the main circuit of the battery pack and is connected with the main control board. The invention can keep the battery temperature in a suitable temperature range when the external environment temperature is low, thereby avoiding the degradation of the battery performance, and does not affect the range and the battery life of the electric vehicle under the low temperature environment, and has simple structure and low cost.
Description
technical field [0001] The invention belongs to the field of battery technology, and in particular relates to a battery constant temperature system for maintaining the cruising range of an electric vehicle in a low-temperature environment. Background technique [0002] Electric vehicles (including electric vehicles, electric motorcycles, electric tricycles and electric bicycles) have developed rapidly in China, especially in urban and rural areas, due to their non-environmental pollution and low cost per kilometer. However, due to the lagging development of current battery technology, the battery capacity and service life cannot meet the needs of users for mileage and service life. The cost of replacing a set of batteries is relatively expensive. [0003] At present, there are some products on the market for the battery heating system in the low temperature environment of electric vehicles, but because they are expensive and are generally developed simultaneously with autom...
Claims
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Login to View More IPC IPC(8): H01M10/613H01M10/615H01M10/617H01M10/625H01M10/63H01M10/633H01M10/637B60L58/10B60L58/27B60L58/26
CPCH01M10/613H01M10/615H01M10/617H01M10/625H01M10/63H01M10/633H01M10/637Y02E60/10Y02T10/70
Inventor 俞飞
Owner QUECLINK WIRELESS SOLUTIONS HF CO LTD