CN206498245U - A kind of communication base station power back-up system based on civil power and multigroup battery management - Google Patents
A kind of communication base station power back-up system based on civil power and multigroup battery management Download PDFInfo
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- CN206498245U CN206498245U CN201720087343.5U CN201720087343U CN206498245U CN 206498245 U CN206498245 U CN 206498245U CN 201720087343 U CN201720087343 U CN 201720087343U CN 206498245 U CN206498245 U CN 206498245U
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Abstract
The utility model is related to a kind of communication base station power back-up system based on civil power and multigroup battery management, belong to communication base station power back-up system power technique fields, including load, mains supply, multiple control units, multiple combiner units and multiple battery packs, mains supply is multiple battery-powered by Switching Power Supply；Wherein each described control unit is used with unification combiner unit and a battery pack；Each combiner unit is made up of switch, the current sample element of two check diodes, two control charged states；Or each combiner unit is made up of switch, current-limiting resistance, the current sample element of two check diodes, three control charged states, the switch and current-limiting resistance of control charged state therein are used as current limliting loop.
Description
Technical field
The utility model belongs to communication base station power back-up system power technique fields.
Background technology
Communication base station dynamical system DC power system is typically to use lead-acid battery as back-up source, lead-acid battery
Management of charging and discharging is completed by Switching Power Supply monitoring system, without independent battery charging and discharging management system.With echelon lithium electricity
Storage is increasing, and lithium is all possibly realized for lead from economic and technical.And progressively replace during more grounds
There is multigroup cell parallel in station, many Battery packs may all be plumbic acid, plumbic acid and lithium electricity or all be lithium electricity.
Under three or four class civil power operating modes the control strategy energy science of multigroup battery charging and discharging of communication base station to communication base
Many Battery packs carry out charge and discharge control in standing, and make full use of the dump energy of echelon lithium battery, extend battery, it is ensured that
Base station safe and reliable operation.
Utility model content
The technical problem that the utility model is solved is that providing a kind of civil power and many Battery packs uses cooperatively and lead to ensure
Believe base station bringing onto load uninterrupted power supply, and solve many Battery packs circulation used in parallel in communication base station and safe and reliable etc.
Problem.
The technical solution adopted in the utility model is：After a kind of communication base station power based on civil power and multigroup battery management
Standby system, it is characterised in that：Including load, mains supply, multiple control units, multiple combiner units and multiple battery packs, city
Power supply is multiple battery-powered by Switching Power Supply；Wherein each described control unit is with unification combiner unit and one
Battery pack is used；Each combiner unit is first by switch, the current sample of two check diodes, two control charged states
Part is constituted；Or each combiner unit is controlled switch, current-limiting resistance, the electricity of charged state by two check diodes, three
Sampling element composition is flowed, the switch and current-limiting resistance of control charged state therein are used as current limliting loop.
Further, the switch for controlling charged state is in D.C. contactor, solid-state relay, noncontacting switch
It is one or more of.
Further, the current sample element is current divider or Hall sensor.
Further, the mains supply by main control unit to the control of multiple combiner units to realize to multigroup
The discharge and recharge of battery.
Further, described multiple battery packs are specially a lead-acid battery group, two echelon battery packs.
Advantage of the present utility model：
1. the control of multigroup battery charging and discharging of communication base station solves many Battery packs logical under three or four class civil power operating modes
Believe the circulation and safe and reliable problem in base station applies, scientifically can be run according to battery charging/discharging characteristic, effectively extension electricity
Pond service life, adapts to the parallel connection between different type, different capabilities battery.
2. enabling the retired rear dump energy of Vehicular dynamic battery to be fully utilized, reduce carbon emission and environment is dirty
Dye, has responded rigid demand of the country in green economy, recycling economy, low-carbon economy etc., while also there is good economic benefit
And social benefit.
Brief description of the drawings
Fig. 1 is the utility model with a kind of structural representation of mode in current limliting loop；
Fig. 2 is structural representation of the utility model with current limliting loop another way；
Fig. 3 is the utility model without a kind of structural representation of mode in current limliting loop；
Fig. 4 is structural representation of the utility model without current limliting loop another way；
Fig. 5 is the class civil power operating mode power back-up system schematic diagram of the utility model three or four；
Reference in Fig. 1-5：Z:Load；G1：Battery pack, G2：Battery pack, Gn：Battery pack；R1:Current-limiting resistance, R2：
Current-limiting resistance, Rn：Current-limiting resistance；K11：Charge switch, K12：Discharge switch, K13:Current limiting switch, K21：Charge switch, K22：
Discharge switch, K23：Current limiting switch, Kn1：Charge switch, Kn2：Discharge switch；Kn3：Current limiting switch；FL1:Current sample member
Part, FL2：Current sample element, FLn：Current sample element；BMS1：Battery management system 1, BMSn：Battery management system n；Its
Middle n is integer, and n >=1.
Embodiment
Fig. 1 is the utility model with a kind of structural representation of mode in current limliting loop.First using in Fig. 1 combiner unit as
Example explanation：
Current-limiting charge
Current limiting switch K13, discharge switch K12 are closed, battery of Switching Power Supply B+, B- to including containing FL1, R1, K13 device
Group G1 branch road chargings, while bringing onto load Z.
Charge normal
Charge switch K11, discharge switch K12 are closed, and Switching Power Supply B+, B- is to including containing FL1, diode, K11 devices
Battery pack G1 branch roads charge, while bringing onto load Z.
Loss protecting
When Switching Power Supply B+, B- dead electricity, now discharge switch K12 is closed, and battery pack G1 powers to load Z, i.e. battery
Group G1, load Z, discharge switch K12, another diode, current sample element FL1 formation closed-loop path, are completed in switch electricity
In the case of B+, B- dead electricity of source, the power supply protection to loading Z.
By to first combiner unit, second combiner unit, until the control of n-th combiner unit can be realized to the
One Battery pack group, the second Battery pack group, until N Battery packs group charge or charge successively simultaneously, and can realize simultaneously
Electric discharge.
Fig. 2 is structural representation of the utility model with current limliting loop another way.It is with the main distinction in Fig. 1
Current-limiting circuit (current limiting switch K13, resistance R1) is connected to Switching Power Supply B+ sides, remaining current-limiting charge, charge normal, loss protecting
Realization, and realize function (function of realization refers to：By to first combiner unit, second combiner unit, until
The control of n-th combiner unit can be realized to the first Battery pack group, the second Battery pack group, until N Battery packs group is carried out successively
Charging is charged simultaneously, and can realize electric discharge simultaneously) realization corresponding to Fig. 1 is unanimously.
Fig. 3 is the utility model without a kind of structural representation of mode in current limliting loop.With first combiner unit in Fig. 3
Exemplified by explanation：
Charge normal
Charge switch K11, discharge switch K12 are closed, and Switching Power Supply B+, B- is to including containing FL1, diode, K11 devices
Battery pack G1 branch roads charge, while bringing onto load Z.
Loss protecting
When Switching Power Supply B+, B- dead electricity, now discharge switch K12 is closed, and battery pack G1 powers to load Z, i.e. battery
Group G1, load Z, discharge switch K12, another diode, current sample element FL1 formation closed-loop path, are completed in switch electricity
In the case of B+, B- dead electricity of source, the power supply protection to loading Z.
By to first combiner unit, second combiner unit, until the control of n-th combiner unit can be realized to the
One Battery pack group, the second Battery pack group, until N Battery packs group charge or charge successively simultaneously, and can realize simultaneously
Electric discharge.
Fig. 4 is structural representation of the utility model without current limliting loop another way.It exists with the main distinction in Fig. 3
Switching Power Supply B- sides are connected in battery pack branch road (battery pack G1, current sample element FL1), remaining is charged normal, dead electricity is protected
The realization of shield, and (function of realization refers to the function of realizing：By to first combiner unit, second combiner unit, straight
To n-th combiner unit control can realize to the first Battery pack group, the second Battery pack group, until N Battery packs group carry out according to
Secondary charging is charged simultaneously, and can realize electric discharge simultaneously) realization corresponding to Fig. 3 is unanimously.
Fig. 5 is the class civil power operating mode power back-up system schematic diagram of the utility model three or four；Wherein mains supply passes through master control
Unit is to the control of multiple combiner units to realize the discharge and recharge to many Battery packs.
Embodiment：
When band current limiting loop (as shown in Figure 1, Figure 2) and when having one group of lead-acid battery G1, two groups of echelon battery G2, G3：
1. load supplying：All the time by Switching Power Supply load carrying under civil power normal condition；By electric power storage after civil power dead electricity
Tank discharge provides power supply to load.
2nd, battery pack charging process：
1) civil power dead electricity restores electricity afterwards for a period of time, closes K13, K12 and switchs and charged to lead-acid battery G1, detection electric current is low
K13 switches are disconnected in setting value, conjunction K11 switches enter normal charging condition, disconnection K11 switches enter after being full of shelves shape for electricity
State；
2) then close K23, K22 switch charging to echelon lithium battery G2, detection electric current less than setting value disconnect K23 switch,
Close K21 switches and enter normal charging condition, K21 switches are disconnected after being full of and shelve state into standby electricity；
3) then close K33, K32 switch charging to echelon lithium battery G3, detection electric current less than setting value disconnect K33 switch,
Close K31 switches and enter normal charging condition, K31 switches are disconnected after being full of and shelve state into standby electricity；
4) and then there can be two kinds of selections, one is that all battery packs shelve operation for electricity always；Or K11 switches are closed again
Allow lead-acid battery floating charging operation, echelon lithium battery continues standby electricity and shelves operation.
3rd, battery power discharge process：
1) when civil power dead electricity, battery pack need to provide power supply for load without interruption.Now because K12, K22, K32 locate all the time
Yu Hewei, can provide power supply without interruption for load simultaneously, when discharge voltage is less than second voltage, simultaneously switch off
K12, K22, K32 are switched, it is to avoid battery crosses the infringement put and caused to battery life.
2) above procedure is repeated behind city power recovery.
Preferred embodiment of the present utility model is the foregoing is only, the utility model is not limited to, for this
For the technical staff in field, the utility model can have various knowable changes and change.It is all in principle of the present utility model
Within spirit, made any equivalent substitution, modification, improvement etc., should be included in protection domain of the present utility model it
It is interior.
Claims (5)
1. a kind of communication base station power back-up system based on civil power and multigroup battery management, it is characterised in that：Including load, city
Power supply, multiple control units, multiple combiner units and multiple battery packs, mains supply are multiple battery packs by Switching Power Supply
Power supply；Wherein each described control unit is used with unification combiner unit and a battery pack；Each combiner unit by
Two check diodes, switch, the current sample elements of two control charged states are constituted；
Or each combiner unit is adopted by switch, current-limiting resistance, the electric current of two check diodes, three control charged states
Sample element is constituted, and the switch and current-limiting resistance of control charged state therein are used as current limliting loop.
2. a kind of communication base station power back-up system based on civil power and multigroup battery management according to claim 1, it is special
Levy and be：It is described control charged state switch be D.C. contactor, solid-state relay, noncontacting switch in one kind or several
Kind.
3. a kind of communication base station power back-up system based on civil power and multigroup battery management according to claim 1, it is special
Levy and be：The current sample element is current divider or Hall sensor.
4. a kind of communication base station power back-up system based on civil power and multigroup battery management according to claim 1, it is special
Levy and be：The mains supply is by main control unit to the control of multiple combiner units to realize the discharge and recharge to many Battery packs.
5. a kind of communication base station power back-up system based on civil power and multigroup battery management according to claim 1, it is special
Levy and be：Described multiple battery packs are specially a lead-acid battery group, two echelon battery packs.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720087343.5U CN206498245U (en) | 2017-01-23 | 2017-01-23 | A kind of communication base station power back-up system based on civil power and multigroup battery management |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720087343.5U CN206498245U (en) | 2017-01-23 | 2017-01-23 | A kind of communication base station power back-up system based on civil power and multigroup battery management |
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| CN206498245U true CN206498245U (en) | 2017-09-15 |
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| CN201720087343.5U Active CN206498245U (en) | 2017-01-23 | 2017-01-23 | A kind of communication base station power back-up system based on civil power and multigroup battery management |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108736568A (en) * | 2018-07-06 | 2018-11-02 | 武汉普天洲际宜通电源有限公司 | A kind of lower controller for electric consumption |
| CN108736568B (en) * | 2018-07-06 | 2024-04-26 | 武汉普天洲际宜通电源有限公司 | Power-off control device |
-
2017
- 2017-01-23 CN CN201720087343.5U patent/CN206498245U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108736568A (en) * | 2018-07-06 | 2018-11-02 | 武汉普天洲际宜通电源有限公司 | A kind of lower controller for electric consumption |
| CN108736568B (en) * | 2018-07-06 | 2024-04-26 | 武汉普天洲际宜通电源有限公司 | Power-off control device |
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