CN207884316U - A kind of equipment extending base station storage batteries discharge time - Google Patents

A kind of equipment extending base station storage batteries discharge time Download PDF

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Publication number
CN207884316U
CN207884316U CN201820159296.5U CN201820159296U CN207884316U CN 207884316 U CN207884316 U CN 207884316U CN 201820159296 U CN201820159296 U CN 201820159296U CN 207884316 U CN207884316 U CN 207884316U
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base station
accumulator group
equipment
discharge time
group
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胡继业
杨松松
芮剑
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Abstract

The utility model embodiment is related to a kind of equipment extending base station storage batteries discharge time, including base station equipment, Switching Power Supply, the first accumulator group, the second accumulator group, control module and charging module;There is Switching Power Supply input terminal and output end, the input terminal of Switching Power Supply to be electrically connected with city, and the output end of Switching Power Supply is connected with base station equipment, the first accumulator group and charging module respectively;First accumulator group, in parallel with base station equipment, the first accumulator group is powered for base station equipment;Control module is detected to extending the voltage of equipment of base station storage batteries discharge time, controls the access of the second accumulator group according to testing result or cut out;Charging module is connected with the second accumulator group, is powered for the second accumulator group.The equipment of the extension base station storage batteries discharge time of the utility model can be and at low cost, easy to operation by the releasing as much as possible of the retained storage capacity of net battery pack, to achieve the purpose that extend accumulator group service life.

Description

A kind of equipment extending base station storage batteries discharge time
Technical field
The utility model is related to field of communication technology more particularly to a kind of equipment extending base station storage batteries discharge time.
Background technology
With the development of the times, requirement of the people for communication is higher and higher, and mobile communication can meet people at any time Communicating requirement everywhere, therefore in order to realize communication convenient and efficient and without blind spot, it is necessary to it lays in mobile communication system A large amount of base station.
In existing base station, when there is exchange to input, Switching Power Supply is simultaneously to load and storage battery power supply;When no exchange When input, accumulator powering load is controlled by Switching Power Supply;When accumulator output voltage drops to principal voltage, open Powered-down source automatically cuts off non-core load, only retains core load, and the remaining limited electricity of accumulator is supplied to core as far as possible The heart loads, and ensures its work;When accumulator output voltage is further lowered into second voltage, Switching Power Supply automatically cuts off institute There is load, to protect battery not generate irreversible loss because of overdischarge.
But with the variation of the increase of accumulator service life and application scenarios, battery performance can be gradually reduced, and usually can Voltage declines too fast when generating because of a small number of individual monomers battery discharges, before whole group battery capacity does not release all also, I.e. because total voltage drop to principal voltage, second voltage and interrupt power supply to load of base station ahead of time, be at this moment to protect The normal operation of card base station can only carry out hydro power generation, to significantly increase maintenance cost.
Utility model content
The purpose of this utility model is to provide a kind of equipment extending base station storage batteries discharge time, can will be in net battery Group retained storage capacity releasing as much as possible, to achieve the purpose that extend accumulator group service life, and it is at low cost, convenient for behaviour Make.
To achieve the above object, the utility model provides a kind of equipment extending base station storage batteries discharge time, including: Base station equipment, Switching Power Supply, the first accumulator group, the second accumulator group, control module and charging module;
The Switching Power Supply has input terminal and output end, and the input terminal of the Switching Power Supply is electrically connected with city, described to open The output end in powered-down source is connected with the base station equipment, the first accumulator group and charging module respectively;The Switching Power Supply will The alternating current of the alternating current is converted to direct current, is the base station equipment, the first accumulator group and charging module for power supply;
The first accumulator group, in parallel with the base station equipment, the first accumulator group supplies for the base station equipment Electricity;
The control module is connected with the first accumulator group and the second accumulator group;The control module is to institute The voltage for stating the equipment for extending base station storage batteries discharge time is detected, and controls the second accumulator group according to testing result Access or cut out;
The charging module is connected with the second accumulator group, is powered for the second accumulator group.
Preferably, when the mains failure, the first accumulator group is powered for the base station equipment, when the extension base When the voltage of equipment of discharge time of accumulator of standing drops to the first predeterminated voltage, the control module controls second electric power storage Pond group access, the first accumulator group are connected with the second accumulator group, and the first accumulator group and the second accumulator group are jointly The base station equipment power supply;
When the city power recovery power supply, the Switching Power Supply is the base station equipment, the first accumulator group and the second electric power storage Pond group power supply;When the voltage of the equipment for extending base station storage batteries discharge time rises to the second predeterminated voltage, the control Molding block controls the second accumulator group and cuts out, and the Switching Power Supply continues as the base station equipment and the first accumulator group supplies For electricity to floating charge state, the charging module is the second accumulator group supplementary power to floating charge state.
Preferably, the equipment for extending base station storage batteries discharge time further includes D.C. contactor, the direct current contact Device is connect with the control module, and the control module controls the access of the second accumulator group by the D.C. contactor Or it cuts out.
It is further preferred that the base station equipment includes the first load and the second load, the first load and the second load are simultaneously Connection;
When the voltage of the equipment for extending base station storage batteries discharge time drops to third predeterminated voltage, cut out described Second load, the first accumulator group and the second accumulator group are first load supplying;
When the voltage of the equipment for extending base station storage batteries discharge time drops to four predeterminated voltages, cut out described First load, the first accumulator group and the second accumulator group stop power supply.
It is further preferred that the third predeterminated voltage is set as 46V or 46.5V;4th predeterminated voltage is set as 44V or 45V;First predeterminated voltage is set as 48V or 49V;Second predeterminated voltage is set as 53V or 54V.
Preferably, the voltage of the Switching Power Supply output is direct current 48V.
Preferably, the first accumulator group is lead-acid battery group, and the second accumulator group is lead-acid battery group.
It is further preferred that the first accumulator group is composed in series by 24 2V accumulators, the second accumulator group It is composed in series by 2 2V accumulators.
Preferably, the first accumulator group is lithium battery group, and the second accumulator group is lithium battery group.
It is further preferred that the first accumulator group is composed in series by 16 3.2V lithium battery modules, the second accumulator Group is 3.2V lithium battery modules.
The equipment provided by the utility model for extending base station storage batteries discharge time, can will possess appearance in net battery pack Releasing as much as possible is measured, to achieve the purpose that extend accumulator group service life, and it is at low cost, easy to operation.
Description of the drawings
Fig. 1 is the schematic diagram of the equipment for the extension base station storage batteries discharge time that the utility model embodiment provides.
Specific implementation mode
Below by drawings and examples, the technical solution of the utility model is described in further detail.
The technical solution of the utility model for ease of understanding is first introduced the principles of the present invention.
It in mains failure, is powered for base station equipment by the first accumulator group, if the first accumulator group of base station When discharge voltage drops to setting voltage, device is automatically connected into the second accumulator group, to which accumulator group total voltage be promoted, from And reach the capacity for releasing accumulator group as abundant as possible, it avoids generating premature interruption to base because of individual monomers off-capacity Stand load power supply.When electric main restores electricity, when device detects that system voltage is more than setting value, will seal in automatically Second accumulator group is cut out, and carries out supplement electricity by charging module for it.
The equipment of the extension base station storage batteries discharge time of the utility model is realized based on above-mentioned principle, and Fig. 1 is this The schematic diagram of the equipment for the extension base station storage batteries discharge time that utility model embodiment provides, as shown in Figure 1, the utility model The equipment of extension base station storage batteries discharge time include base station equipment 1, Switching Power Supply 2, the first accumulator group 3, the second electric power storage Pond group 4, control module 5 and charging module 6.
Base station equipment 1, specifically including can be with the first load and the second load, wherein and the first load refers to core load, the Two loads refer to non-core load.
Switching Power Supply 2 has input terminal and output end, wherein the input terminal of Switching Power Supply 2 is electrically connected with city, for connecing Enter alternating current;The output end of Switching Power Supply 2 is connected with base station equipment 1, the first accumulator group 3 and charging module 6 respectively;Switch electricity The alternating current of alternating current is converted to direct current by source 2, is that base station equipment 1, the first accumulator group 3 and charging module 6 are powered.Switch electricity There is AC DC to convert and be depressured two effects in source 2, can high-voltage alternating alternating current be converted to low-voltage DC and exported.
First accumulator group 3, it is in parallel with base station equipment 1, refer to the battery powered for base station equipment 1 in mains failure The effect of group, the first accumulator group 3 is that when mains failure, the first accumulator group 3 is that base station equipment 1 is powered, to Ensure that base station equipment 1 can work normally in mains failure.When city power recovery powers, Switching Power Supply 2 is the first accumulator Group 3 charges, until being full of and keeping floating charge state, prepares for electric discharge next time.
Second accumulator group 4 refers to reserce cell group, it is also assumed that being supplementary power battery pack.It should be noted that First accumulator group 3 and the second accumulator group 4 can be connected in series respectively by multiple accumulators, and the accumulator includes but unlimited In lead-acid battery or lithium battery, those skilled in the art can be as needed to the first accumulator group 3 and the second accumulator group 4 Battery types and composing quantity are selected.
Control module 5, can device in order to control, be connected with the first accumulator group 3 and the second accumulator group 4, control module 5 There are two effects, and one is detected to the voltage of the first accumulator group 3;The other is control second stores according to testing result The access of battery pack 4 is cut out.Further, the equipment for extending base station storage batteries discharge time further includes D.C. contactor 7, directly Stream contactor 7 is connect with control module 5, and control module 5 specifically can control the second accumulator group 4 by D.C. contactor 7 It accesses or cuts out.
Charging module 6 is connected with the second accumulator group 4, and the effect of charging module 6 is cut out in the second accumulator group 4 Later, it charges to the second accumulator group 4 after charging module 6 is depressured, is next until being full of and keeping floating charge state Secondary switch discharges are prepared.
It is set in terms of mains failure and city power recovery power supply two to extending base station storage batteries discharge time separately below The standby course of work is described in detail.
When mains failure, the first accumulator group 3 is powered for base station equipment 1, and the output voltage of the first accumulator group 3 is gradual Decline, when the voltage of the first accumulator group 3 drops to the first predeterminated voltage, control module 5 generates access signal, passes through direct current Contactor 7 controls the access of the second accumulator group 4, at this point, the first accumulator group 3 is connected with the second accumulator group 4, the first accumulator Group 3 and the second accumulator group 4 are powered for base station equipment 1 jointly;Wherein, the first predeterminated voltage is according to principal voltage It is configured, the first predeterminated voltage is preferably higher 1V than principal voltage, to ensure to drop to once in system voltage The second accumulator group 4 is accessed before lower piezoelectric voltage, extends the power-on time to base station equipment 1, ensures the normal fortune of base station equipment 1 Row;It should be noted that the first predeterminated voltage can be adjusted flexibly according to base station actual conditions.In the mistake that accumulator uses Cheng Zhong, since the performance of each cell batteries of the first accumulator group 3 is different, the attenuation degree of each cell batteries Difference, voltage declines too fast when individual serious monomers of attenuation degree discharge, and whole group battery capacity is caused not release also just Because total voltage drops to predeterminated voltage and just stops powering, and the access of the second accumulator group 4 increases the voltage value of system, from And extend to the power-on time of base station equipment 1, ensure net battery pack can discharge capability all release, reach extension accumulator The purpose of group service life, and input cost is low, it is easily operated.
After accessing the second accumulator group 4, the first accumulator group 3 is connected with the second accumulator group 4 and is set jointly for base station Standby 1 is powered, and when the voltage of the equipment of extension base station storage batteries discharge time drops to third predeterminated voltage, cuts out second Load, the first accumulator group 3 and the second accumulator group 4 are the first load supplying;When setting for extension base station storage batteries discharge time When standby voltage drops to four predeterminated voltages, the first load is cut out, the first accumulator group 3 and the second accumulator group 4 stop supplying Electricity.Wherein, third predeterminated voltage refers to principal voltage, and the 4th predeterminated voltage refers to second voltage, that is to say, that when When first accumulator group 3 and 4 output voltage of the second accumulator group drop to principal voltage, non-core load is automatically cut off, Only retain core load, the remaining limited electricity of accumulator group is supplied to core load as far as possible, ensures its work;When first Accumulator group 3 and 4 output voltage of the second accumulator group are further lowered into second voltage, and Switching Power Supply 2 automatically cuts off institute There is load, to protect battery not generate irreversible loss because of overdischarge;It should be noted that third predeterminated voltage and Four predeterminated voltages can be adjusted flexibly according to base station actual conditions.
When city power recovery powers, Switching Power Supply 2 is that base station equipment 1, the first accumulator group 3 and the second accumulator group 4 supply Electricity, the first accumulator group 3 and 4 output voltage of the second accumulator group gradually go up, when setting for extension base station storage batteries discharge time When standby voltage recovery to the second predeterminated voltage, control module 5 generates switching out signal, and the second storage is cut out by D.C. contactor 7 Battery pack 4, after this, Switching Power Supply 2 continues as base station equipment 1 and the first accumulator group 3 supplies power to floating charge state, and second Accumulator group 4 carries out supplementary power to floating charge state by charging module 6 for it, prepares for electric discharge next time.Wherein, second is pre- If voltage is arranged according to the total voltage of the first accumulator and the second accumulator, the second predeterminated voltage is preferably than the first accumulator With the high 1V of total voltage of the second accumulator, it should be noted that the second predeterminated voltage can carry out spirit according to base station actual conditions Adjustment living.
It is specific at one in order to be better understood from the equipment provided by the utility model for extending base station storage batteries discharge time Example in the course of work of equipment for extending base station storage batteries discharge time is described in detail.
Base station use 48V power supply systems, therefore Switching Power Supply 2 by 380V electric mains be converted to 48V direct currents carry out it is defeated Go out;First accumulator group 3 is composed in series by 24 2V lead-acid accumulators, and the second accumulator group 4 is connected by 2 2V lead-acid accumulators Composition or the first accumulator group 3 are composed in series by 16 3.2V lithium battery modules, and the second accumulator group 4 is 3.2V lithium batteries Module.
When mains failure, the Switching Power Supply 2 extended in the equipment of base station storage batteries discharge time controls the first accumulator Group 3 is powered to base station equipment 1, and the output voltage of the first accumulator group 3 can be gradually reduced at this time, generally by under floating charge state 53.5V or 54V are begun to decline, and fall and speed are mainly determined by the performance of accumulator group, until dropping to Switching Power Supply 2 Principal 46.5V or 46V in addition second 45V or 44V until, control module 5 is being sampled always during this Matching, when the output voltage of the first accumulator group 3 is down to the access setting value 48V of the second accumulator group 4, (this value can be flexible Adjustment), the second accumulator group 4 is automatically connected into the first accumulator group 3, i.e., on the basis of original 24 2V lead-acid accumulators 2 2V lithium electrical storage cells of series connection, to which the total monomer number of accumulator group is increased to 26, series connection total voltage is up to the left sides 52.5V The right side, then the first accumulator group 3 and the second accumulator group 4 are continued with current voltage to load supplying, until exchange restores or puts Electricity is to primary or second.
When exchanging recovery, alternating current carries out rectification, transformation output 48V voltages, while to first after Switching Power Supply 2 Accumulator group 3 and the second accumulator group 4 carry out floating charge, fill operation;2 system of Switching Power Supply is carried out to existing 26 accumulator groups Charging, series connection total voltage can rise to 53.5 or 54V in a short time, and control module 5 is being sampled always during this Match, when what the output voltage of the first accumulator group 3 and the second accumulator group 4 rose to the second accumulator group 4 cuts out setting value 53V (this value can be adjusted flexibly) cuts out the second accumulator group 4 automatically, at this time 2 system of Switching Power Supply only to the first accumulator group 3 into Row charging and management are prepared until being full of and keeping floating charge state 53.5V or 54V for electric discharge next time;Second accumulator group 4 are equivalent to and are connected in parallel in the first accumulator group 3, while included backup battery charging module 6 works, and the second battery is given by transformation Group charging is prepared until being full of and keeping floating charge state 4.5V for switch discharges next time.It is found through experiment that when in net electricity Pond can discharge duration less than 3 hours, and duration that it can be discharged with this system extends to 3 hours or 3 hours or more.
The equipment for the extension base station storage batteries discharge time that the utility model embodiment provides, can will be in net battery pack Retained storage capacity releasing as much as possible, to achieve the purpose that extend accumulator group service life, and it is at low cost, easy to operation.
Above-described specific implementation mode, to the purpose of this utility model, technical solution and advantageous effect carried out into One step is described in detail, it should be understood that the foregoing is merely specific embodiment of the present utility model, is not used to limit Determine the scope of protection of the utility model, within the spirit and principle of the utility model, any modification for being made equally is replaced It changes, improve, should be included within the scope of protection of this utility model.

Claims (10)

1. a kind of equipment extending base station storage batteries discharge time, which is characterized in that the base station includes base station equipment, switch electricity Source, the first accumulator group, the second accumulator group, control module and charging module;
There is the Switching Power Supply input terminal and output end, the input terminal of the Switching Power Supply to be electrically connected with city, the switch electricity The output end in source is connected with the base station equipment, the first accumulator group and charging module respectively;The Switching Power Supply will be described The alternating current of alternating current is converted to direct current, is the base station equipment, the first accumulator group and charging module for power supply;
The first accumulator group, in parallel with the base station equipment, the first accumulator group is powered for the base station equipment;
The control module is connected with the first accumulator group and the second accumulator group;The control module is prolonged to described The voltage of the equipment of long base station storage batteries discharge time is detected, and controls connecing for the second accumulator group according to testing result Enter or cuts out;
The charging module is connected with the second accumulator group, is powered for the second accumulator group.
2. the equipment according to claim 1 for extending base station storage batteries discharge time, which is characterized in that the mains failure When, the first accumulator group is powered for the base station equipment, when the electricity of the equipment for extending base station storage batteries discharge time When pressure drops to the first predeterminated voltage, the control module controls the second accumulator group access, the first accumulator group It connects with the second accumulator group, the first accumulator group and the second accumulator group are that the base station equipment is powered jointly;
When the city power recovery power supply, the Switching Power Supply is the base station equipment, the first accumulator group and the second accumulator group Power supply;When the voltage of the equipment for extending base station storage batteries discharge time rises to the second predeterminated voltage, the control mould Block controls the second accumulator group and cuts out, and the Switching Power Supply continues as the base station equipment and the first accumulator group supplies power to Floating charge state, the charging module are the second accumulator group supplementary power to floating charge state.
3. the equipment according to claim 1 for extending base station storage batteries discharge time, which is characterized in that the extension base station The equipment of discharge time of accumulator further includes D.C. contactor, and the D.C. contactor is connect with the control module, the control Molding block controls the access of the second accumulator group by the D.C. contactor or cuts out.
4. the equipment according to claim 2 for extending base station storage batteries discharge time, which is characterized in that the base station equipment Including the first load and the second load, the first load and the second load are in parallel;
When the voltage of the equipment for extending base station storage batteries discharge time drops to third predeterminated voltage, described second is cut out Load, the first accumulator group and the second accumulator group are first load supplying;
When the voltage of the equipment for extending base station storage batteries discharge time drops to four predeterminated voltages, described first is cut out Load, the first accumulator group and the second accumulator group stop power supply.
5. the equipment according to claim 4 for extending base station storage batteries discharge time, which is characterized in that described first is default Voltage is set as 48V or 49V;Second predeterminated voltage is set as 53V or 54V;The third predeterminated voltage be set as 46V or 46.5V;4th predeterminated voltage is set as 44V or 45V.
6. the equipment according to claim 1 for extending base station storage batteries discharge time, which is characterized in that the Switching Power Supply The voltage of output is direct current 48V.
7. the equipment according to claim 1 for extending base station storage batteries discharge time, which is characterized in that first electric power storage Pond group is lead-acid battery group, and the second accumulator group is lead-acid battery group.
8. the equipment according to claim 7 for extending base station storage batteries discharge time, which is characterized in that first electric power storage Pond group is composed in series by 24 2V accumulators, and the second accumulator group is composed in series by 2 2V accumulators.
9. the equipment according to claim 1 for extending base station storage batteries discharge time, which is characterized in that first electric power storage Pond group is lithium battery group, and the second accumulator group is lithium battery group.
10. the equipment according to claim 9 for extending base station storage batteries discharge time, which is characterized in that described first stores Battery pack is composed in series by 16 3.2V lithium battery modules, and the second accumulator group is 3.2V lithium battery modules.
CN201820159296.5U 2018-01-30 2018-01-30 A kind of equipment extending base station storage batteries discharge time Active CN207884316U (en)

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CN201820159296.5U CN207884316U (en) 2018-01-30 2018-01-30 A kind of equipment extending base station storage batteries discharge time

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111245040A (en) * 2018-11-29 2020-06-05 丰田自动车株式会社 Power supply system
CN111884198A (en) * 2020-05-20 2020-11-03 金国卫 Energy-saving 5G load power supply
CN113193638A (en) * 2021-05-06 2021-07-30 中国联合网络通信集团有限公司 Power supply control method, device, equipment and storage medium

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111245040A (en) * 2018-11-29 2020-06-05 丰田自动车株式会社 Power supply system
CN111245040B (en) * 2018-11-29 2023-07-14 丰田自动车株式会社 Power supply system
CN111884198A (en) * 2020-05-20 2020-11-03 金国卫 Energy-saving 5G load power supply
CN113193638A (en) * 2021-05-06 2021-07-30 中国联合网络通信集团有限公司 Power supply control method, device, equipment and storage medium
CN113193638B (en) * 2021-05-06 2023-01-20 中国联合网络通信集团有限公司 Power supply control method, device, equipment and storage medium

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