Relay array for controlling large-sized battery packs
A technology for relay arrays and large battery packs, applied to battery circuit devices, current collectors, electric vehicles, etc., can solve the problems of automatic switch closure, troublesome operation, and unsafety, and achieve compact structure, extended service life, and safety high performance effect
Active Publication Date: 2014-03-05
NAT ENG RES CENT OF ADVANCED ENERGY STORAGE MATERIALS SHEN ZHEN LTD CO
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Problems solved by technology
[0002] At present, there are two common ways to control the battery pack, that is, use electronic switches and physical switches, but electronic switches are prone to fire under high voltage and high current conditions, unstable and unsafe; physical switches require manual operation, which cannot be realized The automatic closing of the switch is troublesome to operate
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[0016] The present invention will be further described below in conjunction with drawings and embodiments.
[0017] refer to figure 1 , this embodiment includes six relays I, relays I use S3 series relays, six relays I are S3-1, S3-2, S3-3, S3-4, S3-5, S3-6, each relay I One end corresponds to the positive poles of the major battery packs that constitute the energy storage battery module. The number of relay I is the same as the number of large battery packs. The other ends of each relay I are connected in parallel and connected to the positive pole of the inverter through relay II. S4 series relays, in the figure, relay Ⅱ is denoted as S4-1, the positive pole of the inverter is connected to the positive pole of the solar panel PCS through relay Ⅲ, relay Ⅲ uses S5 series relays, in the figure, relay Ⅲ is denoted as S5-1, each major battery pack The negative poles are connected in parallel to the negative pole of the inverter and the negative pole of the PCS of the solar panel...
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The invention relates to a relay array for controlling large-sized battery packs, which comprises at least one relay I, one end of each relay I is correspondingly connected with a positive pole of each large battery pack for constituting an energy storage battery module, the number of the relays I is the same with that of the large battery packs, the other ends of all the relays I are connected in parallel and then connected to a positive pole of an inverter through a relay II, the positive pole of the inverter is connected with the positive pole of a solar panel through a relay III, and positive poles of all the large battery packs are connected together in parallel and further connected with the negative pole of the inverter and the negative pole of the solar panel. The relay array is compact in structure, stable and reliable in working, high in safety performance and simple to operate; as the opening and closing life of each relay is above 10000 times, the relay array is conductive to prolonging the service life of a controller.
Description
technical field [0001] The invention relates to a relay array, in particular to a relay array for controlling a large battery pack. Background technique [0002] At present, there are two common ways to control the battery pack, that is, use electronic switches and physical switches, but electronic switches are prone to fire under high voltage and high current conditions, unstable and unsafe; physical switches require manual operation, which cannot be realized The automatic closing of the switch is troublesome to operate. Contents of the invention [0003] In order to overcome the above-mentioned defects in the prior art, the present invention provides a stable, safe, reliable and easy-to-operate relay array mainly used for the control of large battery packs. [0004] Technical scheme of the present invention is: [0005] It includes at least one relay I (preferably S3 series relays), one end of each relay I is connected to the positive poles of the major battery packs t...
Claims
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IPC IPC(8): H02J7/00
Inventor 林勇贺永旦刘宏兵蒋福利黄兰妮
Owner NAT ENG RES CENT OF ADVANCED ENERGY STORAGE MATERIALS SHEN ZHEN LTD CO