CN212659977U

CN212659977U - Online intelligent management system for base station storage battery

Info

Publication number: CN212659977U
Application number: CN202021307592.9U
Authority: CN
Inventors: 杜明强; 段铁江; 范亚东; 周兴国; 姜宇
Original assignee: Shenyang Btr Technology Co ltd
Current assignee: Shenyang Btr Technology Co ltd
Priority date: 2020-07-06
Filing date: 2020-07-06
Publication date: 2021-03-05
Anticipated expiration: 2030-07-06

Abstract

The utility model discloses an online intelligent management system for base station storage batteries, which comprises a main control unit, N power modules and M battery detection modules, wherein the M battery detection modules are respectively connected with M single storage batteries in parallel, and the M battery detection modules are connected in series by communication lines and are in communication connection with the main control unit through SBUS; the N power modules are connected in parallel, a connecting terminal at one side is connected with a power supply end, and a connecting terminal at the other side of each power module is respectively connected with the positive and negative terminals of the corresponding storage battery pack; the main control unit is communicated with the monitoring center through a CAN/RS 485/Ethernet. The utility model discloses but the running state of every battery of real-time supervision, the charge-discharge mode of automatic control battery, and have protect function, provide real-time, accurate data report form for the user. An original group of M batteries is divided into 6, 2 or 1 batteries in each group, and N groups of batteries are used in parallel, so that the online reliability is improved by N times.

Description

Online intelligent management system for base station storage battery

Technical Field

The utility model relates to a battery management technique specifically is an online intelligent management system of base station battery.

Background

With the rapid development of communication services, communication base stations are distributed in various cities, towns and villages, and each base station is generally provided with two groups of valve-regulated lead-acid storage batteries with capacities of 300-500A. The storage battery is an important means for ensuring smooth communication as a backup power supply system which is most important for power communication. At present, the communication network is increasingly huge, the integration and digitization degree of communication equipment is continuously improved, and any fault of communication power supply equipment and a power supply system can cause breakdown of the communication network in a large range, so that great loss is caused. At present, the storage batteries of the base station and the battery connection mode are connected in series, and if one battery fails, the whole group of batteries fails, so that fire risks can be caused carelessly. It is important to know the health condition of each battery.

At present, for the operation data acquisition of communication storage batteries, some still use a manual inspection mode, inspection needs to detect the voltage and the internal resistance of each battery, the inspection strength is high, the difficulty is high, and meanwhile, degraded batteries cannot be found in time. The traditional inspection mode has the advantages of large workload, low efficiency, high cost and low reliability. The labor cost is increased and the workload of management personnel is increased by means of manual measurement and recording, and the accuracy and the real-time performance of data cannot be guaranteed.

SUMMERY OF THE UTILITY MODEL

Maintain and patrol and examine the manual work mode of patrolling and examining of adopting mostly to base station battery among the prior art, it is big, the degree of difficulty is high and can't guarantee accuracy, the real-time not enough etc. of data to patrol and examine intensity, the to-be-solved problem of the utility model is to provide an accuracy, the real-time of can guaranteeing data, reduce the online intelligent management system of base station battery of fortune dimension cost.

In order to solve the technical problem, the utility model discloses a technical scheme is:

the utility model provides an online intelligent management system of base station battery, including main control unit, N power module and M battery detection module, wherein M battery detection module connects in parallel with M monomer battery respectively, and M battery detection module adopts the communication line to concatenate, carries out communication connection through SBUS and main control unit; the N power modules are connected in parallel, a connecting terminal at one side is connected with a power supply end, and a connecting terminal at the other side of each power module is respectively connected with the positive and negative terminals of the corresponding storage battery pack; the main control unit is communicated with the monitoring center through a CAN/RS 485/Ethernet.

The monitoring center comprises a local host, a remote computer end and/or a mobile phone end, and the main control unit sends data to the cloud end in a 4G/Ethernet mode for the remote computer end and/or the mobile phone end to display.

The power module employs a bidirectional DC/DC converter for charging and discharging the battery.

N is an integer of 64 or less, and M is 1, 2 or 6 times N.

The utility model has the following beneficial effects and advantages:

1. the utility model can detect the running state of each storage battery in real time without power failure, and directly transmit the running state to a remote computer and a mobile phone for display; the charging and discharging modes of the storage battery are automatically controlled, the protection function is achieved, and a real-time and accurate data report is provided for a user. An original group of M batteries is divided into 6, 2 or 1 batteries in each group, and N groups of batteries are used in parallel, so that the online reliability is improved by N times.

2. The system of the utility model can work in two directions, thereby satisfying the charging/discharging of the battery and reducing the equipment cost and the space requirement; the system is passively balanced in the group and actively balanced between the groups, so that the consistency of the batteries is kept, the service life of the batteries is prolonged, and the operation and maintenance cost is reduced.

3. Through the utility model discloses but real-time supervision battery voltage, electric current, temperature, internal resistance, SOC, SOH isoparametric, and supply computer end or cell-phone to remove the end through remote management and show, report an emergency and ask for help or increased vigilance information and upload in real time, data surveyability, and have the data derivation function, provide the scientific foundation for the maintenance of battery, reduce the fortune maintenance cost.

Drawings

FIG. 1 is a block diagram of the structure of the present invention;

fig. 2 is a connection diagram of the working principle of the present invention.

Detailed Description

The invention will be further explained with reference to the drawings attached to the specification.

As shown in fig. 1-2, the system comprises a main control unit, N power modules and M battery detection modules, wherein the M battery detection modules are respectively connected in parallel with M single storage batteries, and the M battery detection modules are connected in series by communication lines and are in communication connection with the main control unit through an SBUS; the N power modules are connected in parallel, a connecting terminal at one side is connected with a power supply end, and a connecting terminal at the other side of each power module is respectively connected with the positive and negative terminals of the corresponding storage battery pack; the main control unit is communicated with the monitoring center through a CAN/RS 485/Ethernet.

The monitoring center comprises a local host (an upper computer), a remote computer end and/or a mobile phone end, and the main control unit further sends data to the cloud end in a 4G/Ethernet mode for the remote computer end and/or the mobile phone end to display.

N is an integer of 64 or less, and M is 1, 2 or 6 times N.

In this embodiment, a system including a main control unit, 4 power modules and 24 battery detection modules is taken as an example.

The original 24 batteries connected in series with 2V are divided into 4 groups again, each group is connected with 6 single batteries in series, and 4 groups of battery groups are connected in parallel.

The four power modules are connected in parallel, one side and the other side of each power module are also in the relation of an input end and an output end, if the charging mode is adopted, the 48V end is the input end, and the 12V end is the output end; if the discharge mode is adopted, the 48V terminal is an output terminal, and the 12V terminal is an input terminal. In this embodiment, the input terminal is connected to a 48V bus (i.e., the UPS output terminal), and the output terminal of each power module is connected to 1 corresponding group of battery packs; the power supply of the main control unit can be supplied by 48V, and can also be supplied by any power module (12V) or any group of storage batteries (12V); each group of storage batteries is formed by connecting 6 2V single storage batteries in series, the number of the single storage battery of the storage battery pack 1 is 1-6, and similarly, the number of the single storage battery of the storage battery pack 2 is 7-12, the number of the single storage battery of the storage battery pack 3 is 13-18, and the number of the single storage battery of the storage battery pack 4 is 19-24; each single storage battery is connected with a battery detection module in parallel, the serial number of the battery detection module corresponds to the serial number of the single battery, the serial number of the battery detection modules No. 1-24 is connected in series through a communication line and communicated with a main control unit through SBUS, and the main control unit is communicated with a local host (upper computer) through CAN/RS 485/Ethernet and sends data to a cloud end for a remote computer end and a mobile phone end to display in a 4G/Ethernet mode.

The power module adopts a bidirectional DC/DC converter to convert 48V direct current into 12V direct current through bidirectional DC/DC, and can also convert the 12V direct current into 48V direct current through bidirectional DC/DC for charging and discharging the storage battery.

In the whole system, when the commercial power is normally supplied, the battery detection module detects the state of each battery in real time, wherein the state comprises performance parameters such as battery voltage, current, internal resistance, temperature, SOC (state of charge), SOH (state of health) and the like, and remotely uploads data to a computer end, a mobile phone end and/or a local host for display. The battery data and the alarm information are uploaded in real time, the problem battery is found in time, and the anti-theft of the battery is realized and the convenience is provided for maintenance work. Meanwhile, the bidirectional DC/DC system is charged according to the condition of each group of batteries, so that sufficient energy is ensured, the charging process is monitored and managed, and the charging mode is adjusted according to the optimal charging curve, so that the service life is prolonged. When the battery does not need to be charged, the bidirectional DC/DC system automatically enters a dormant standby state, so that the battery can respond in time when the mains supply is powered off, and the static power consumption is reduced.

When the mains supply is powered off, each group of 12V batteries can be boosted to 48V through the bidirectional DC/DC converter, the 4 power modules are connected in parallel, even if one group or two groups of 12V batteries are in failure, the other groups of 12V batteries can also boost the voltage to 48V, so that the power is continuously supplied for a communication system, the communication network paralysis caused by the mains supply power failure is reduced, the loss is reduced to the minimum, and the service life is prolonged.

The utility model discloses from taking protect function, the system has input short circuit, input excessive pressure, input under-voltage, output short circuit, output under-voltage, output excessive pressure, output overflows, protect function such as excess temperature, and when the scope of any setting appears in the system, system automatic start protect function will report an emergency and ask for help or increased vigilance information to upload in real time, has avoided the overcharge and the overdischarge of battery, provides the foundation for in time discovering the degradation battery.

The utility model discloses from taking the balanced function simultaneously, when the battery cell voltage phase difference is great, the main control unit is through having procedure contrast data certainly, and the transmission instruction charges and discharges the battery, makes every battery voltage tend to the unanimity, has kept the uniformity of battery, extension battery life.

The DC/DC power supply system is provided with B/S computer monitoring software, uploads the battery running state data in real time, and supports historical running records, historical fault record query and report export. If the running state and the history of the battery need to be checked, the corresponding data report is downloaded at the computer terminal.

The utility model discloses online intelligent management system control process of base station battery as follows:

1) the battery detection module detects the operation parameters of each battery and transmits the operation parameters to the main control unit;

2) the main control unit analyzes the received battery parameter data, sends an instruction to the bidirectional DC/DC converter (power module) to charge and discharge the battery, and sends the received battery parameter data to the computer end and the mobile phone end through the cloud end to be displayed.

3) Through downloading and sorting the battery operation data, the degraded battery is found, and the operation and maintenance strategy is made in time.

To sum up, the utility model discloses a running state that battery detection module detected the battery carries out analysis and judgment with data transfer main control unit, and it is storage battery charging or discharge to two-way DC/DC electrical power generating system give-out order decision for the state of health accuracy judgement to the battery.

Claims

1. The utility model provides an online intelligent management system of base station battery which characterized in that: the system comprises a main control unit, N power modules and M battery detection modules, wherein the M battery detection modules are respectively connected with M single storage batteries in parallel, and the M battery detection modules are connected in series by communication lines and are in communication connection with the main control unit through an SBUS; the N power modules are connected in parallel, a connecting terminal at one side is connected with a power supply end, and a connecting terminal at the other side of each power module is respectively connected with the positive and negative terminals of the corresponding storage battery pack; the main control unit is communicated with the monitoring center through a CAN/RS 485/Ethernet.

2. The base station battery online intelligent management system of claim 1, characterized in that: the monitoring center comprises a local host, a remote computer end and/or a mobile phone end, and the main control unit sends data to the cloud end in a 4G/Ethernet mode for the remote computer end and/or the mobile phone end to display.

3. The base station battery online intelligent management system of claim 1, characterized in that: the power module employs a bidirectional DC/DC converter for charging and discharging the battery.

4. The base station battery online intelligent management system of claim 1, characterized in that: n is an integer of 64 or less, and M is 1, 2 or 6 times N.