A floating charge control device for battery packs used in communication equipment rooms
A technology for battery packs and communication equipment rooms, which is applied to battery circuit devices, circuit devices, collectors, etc., and can solve problems such as wasting electric energy and shortening service life
Active Publication Date: 2019-03-12
魏巍 +2
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Problems solved by technology
[0003] In order to solve the problem of wasting electric energy and shortening the service life of the lead-acid storage battery used in the floating charging state for a long time in the existing communication base station, the present invention proposes a floating charging control device for the battery pack used in the communication machine room
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Embodiment
[0024] Embodiment: combine below figure 1 This embodiment will be described in detail.
[0025] The floating charge control device for battery packs used in communication equipment rooms according to the present invention includes a first voltage comparison unit, a second voltage comparison unit, a control unit and a relay;
[0026] The first voltage comparison unit includes a first resistor 1, a second resistor 2, a first reference voltage circuit 3 and a first voltage comparator 4;
[0027] The second voltage comparison unit includes a third resistor 5, a fourth resistor 6, a second reference voltage circuit 7 and a second voltage comparator 8;
[0028] The control unit includes a NOR gate circuit 9, a fifth resistor 10 and a triode 11;
[0029] The positive pole of the DC power supply 12 is simultaneously connected with the positive pole of the electrical equipment 13 in the communication room, the first end of the first resistor 1 and the first end of the first normally ...
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The invention discloses a storage battery pack float charging control device for a communication machine room, belongs to the technical field of storage battery pack charging and discharging control and solves the problem that a lead acid storage battery for an existing communication base station wastes electric energy and shortens own service life due to working in a float charging state for a long time. The storage battery pack float charging control device is characterized in that a direct-current power source, electric equipment and a storage battery pack form electrical loops in pairs, an or-not gate circuit controls on-off of two electrical loops where the storage battery pack is positioned; first and second input ends of the or-not gate circuit are respectively connected with output ends of first and second voltage comparers. When actual voltage of the storage battery pack is lower than float charging threshold voltage of the same, the or-not gate circuit outputs a low-level signal, and the electrical loop composed of the direct-current power source and the storage battery pack is on. When the direct-current power source stops working or outputs voltage which is too low, the or-not gate circuit outputs a low-level signal, and the electrical loop composed of the electrical equipment and the storage battery pack is on. The storage battery pack float charging control device is used for float charging control of the storage battery pack in the communication machine room.
Description
technical field [0001] The invention relates to a battery pack float charge control device, which belongs to the technical field of battery pack charge and discharge control. Background technique [0002] Existing communication base stations usually use lead-acid batteries as backup power sources. These backup lead-acid batteries work in a floating charge state all year round, and will only be discharged when the mains power fails or the rectifier fails. According to relevant data statistics, the annual discharge time of the backup power supply of the communication base station is less than 1%, that is, the annual floating charge is more than 8600 hours, and the power consumed by the floating charge is as high as 600 to 1200 degrees. Floating charging of the battery not only wastes electric energy, but also shortens its service life. The battery float charge technology has long been unable to meet the energy-saving and safety requirements of the communication room. Conten...
Claims
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IPC IPC(8): H02J7/00
CPCH02J7/0086
Inventor 魏巍姜延吉于方舟
Owner 魏巍