CN212675130U

CN212675130U - Online storage battery data acquisition device

Info

Publication number: CN212675130U
Application number: CN202021692882.XU
Authority: CN
Inventors: 潘东东; 杨城
Original assignee: Datang Shandong Electric Power Overhaul and Operation Co Ltd
Current assignee: Datang Shandong Electric Power Overhaul and Operation Co Ltd
Priority date: 2020-08-13
Filing date: 2020-08-13
Publication date: 2021-03-09
Anticipated expiration: 2030-08-13

Abstract

The utility model discloses an online storage battery data acquisition device, including the storage battery set that sets up at each transformer substation, still include the capacity test equipment that is used for surveing the storage battery capacity, the data acquisition equipment that is used for gathering battery voltage, electric current and temperature, the internal resistance test equipment that is used for surveing the internal resistance of battery, capacity test equipment, data acquisition equipment and internal resistance test equipment all connect control device, control device connects communication equipment, communication equipment connects the host computer; the system can reflect the normal running state and the performance change trend of the storage battery in real time, can also carry out remote monitoring, ensures that hidden dangers are found in time, and eliminates defects, so that the storage battery pack runs in a good state.

Description

Online storage battery data acquisition device

Technical Field

The utility model relates to a battery monitoring and maintenance field especially relate to an online collection system of battery data.

Background

The statements in this section merely provide background information related to the present disclosure and may not necessarily constitute prior art.

The direct current operation power supply system is a power supply of important loads such as a relay protection device, a signal device, a lighting device and the like of an electric power system, the reliability of power supply directly influences the safe operation of a transformer substation, a backup power supply of the direct current operation power supply generally adopts a storage battery pack, a charger floats and charges the backup power supply during normal operation, when the system is powered off, the storage battery pack provides the backup power supply, and in order to ensure the reliability of power supply of the direct current operation power supply, the operation parameters of the storage battery pack must be comprehensively monitored in real time on line.

The inventor finds that the common detection method of the storage battery in the existing power system is to measure the terminal voltage of the single battery at ordinary times and carry out capacity check discharge every year, but the measurement of the terminal voltage of the battery in the floating charge state at ordinary times cannot truly reflect the performance condition of the battery, and qualified terminal voltage can be measured even if the battery with poor performance is in floating charge; and once the power supply system is powered off and the storage battery discharges, the discharging requirement under the accident state can not be ensured, so that the accident range is enlarged.

SUMMERY OF THE UTILITY MODEL

The utility model discloses a solve above-mentioned problem, provide an online collection system of battery data, the device can reflect the battery running state at ordinary times and the performance trend of change in real time, also can carry out the distant place monitoring, guarantees in time to discover hidden danger, eliminate the defect to make storage battery group move at good condition.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the storage battery data online acquisition device comprises a storage battery pack and a main controller, wherein the storage battery pack comprises a plurality of single batteries, each single battery is respectively connected with a capacity test device and a voltage and current data acquisition device, and the single batteries are also connected with an internal resistance test device; and the capacity test equipment, the voltage and current data acquisition equipment and the internal resistance test equipment are respectively connected with the main controller.

Furthermore, be provided with temperature sensor on the inner wall of battery cell, temperature sensor with the master controller is connected.

Furthermore, the master controller is connected with a communication module, and data transmission is carried out between the master controller and the upper computer through the communication module.

Further, the master controller and the communication module are connected through a 485 line.

Further, the communication module may be a wired communication module or a wireless communication module, and the wireless communication module includes an encoding module and a high-frequency transmitting and receiving module.

Furthermore, the upper computer can be a PC or an intelligent mobile terminal.

Furthermore, the master controller is also connected with a storage device, and the storage device is used for storing the acquired real-time acquisition data.

Furthermore, the master controller is also connected with an alarm device.

Further, the alarm device may be an indicator light or an alarm.

Furthermore, the master controller is further connected with a control device, and the control device is provided with a touch screen.

Compared with the prior art, the beneficial effects of the utility model are that:

(1) the scheme of the utility model is through installing each battery cell voltage, charge-discharge current and temperature, check nature discharge and the internal resistance of capacity test equipment, data acquisition equipment and the internal resistance test equipment real-time supervision storage battery at the transformer substation, simultaneously through communication equipment with data real-time transfer to the host computer save, analysis processes, release show and the trouble is reported an emergency and asked for help or increased vigilance, make fortune dimension personnel can master each transformer substation storage battery's operational aspect and performance variation trend in real time, make storage battery obtain timely maintenance, improve direct current system's security and reliability; achieving the purposes of reducing the number of workers and improving the efficiency.

(2) The scheme can reflect the normal running state and the performance change trend of the storage battery in real time, can also carry out remote monitoring, ensures that hidden dangers are found in time, and eliminates defects, so that the storage battery can run in a good state.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this application, illustrate embodiments of the application and, together with the description, serve to explain the application and are not intended to limit the application.

Fig. 1 is a schematic structural view of a storage battery data online acquisition device according to the first embodiment of the present invention.

The specific implementation mode is as follows:

the present invention will be further described with reference to the accompanying drawings and specific embodiments.

It should be noted that the following detailed description is exemplary and is intended to provide further explanation of the disclosure. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs.

It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments according to the present application. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof, unless the context clearly indicates otherwise.

The first embodiment is as follows:

the purpose of this embodiment is to provide a battery data online acquisition device.

As fig. 1 shows a battery data on-line collection system, as shown in fig. 1, the utility model discloses monitoring to present battery can't reflect battery running state and performance variation trend at ordinary times in real time, also can not carry out the remote monitoring, can't guarantee in time to discover hidden danger, eliminate the defect, can't guarantee storage battery operation at the problem of good condition, provide a battery data on-line collection system.

Further, the master controller is connected with a communication module, and data transmission is carried out between the master controller and the upper computer through the communication module; the upper computer can be a PC or an intelligent mobile terminal; the main controller is connected with the communication module through a 485 line; the communication module can be a wired communication module or a wireless communication module, and the wireless communication module comprises an encoding module and a high-frequency transmitting and receiving module.

Furthermore, the main controller is also connected with a storage device, and the storage device is used for storing the acquired real-time acquisition data; the main controller is also connected with an alarm device which can be an indicator light or an alarm, and the alarm device is used for automatically alarming when the difference values of the voltage, the current, the temperature and the voltage of the single battery are detected to exceed the limit, and informing maintenance personnel to check the voltage, the current, the temperature and the voltage.

Furthermore, the master controller is also connected with a control device, the control device is provided with a touch screen, and the parameters are preset through the touch screen, so that the alarm information or the real-time monitoring data can be checked.

Specifically, the capacity testing equipment is used for carrying out constant-current discharge on the single battery, carrying out data recording on the whole discharging process and generating a test report, so that the purpose of measuring the capacity of the single battery is achieved; the voltage and current data acquisition equipment comprises a current transformer for acquiring the current of the storage battery, a voltage transformer for acquiring the voltage, and a temperature sensor arranged on the inner wall of the single battery, so that the voltage, the current and the ambient temperature of the single battery are automatically monitored on line, the data acquisition is rapid and accurate, the change of each moment when the battery is charged and discharged can be recorded, and the accurate discrimination of the battery is ensured; the internal resistance test equipment measures the internal resistance and the load capacity of each single battery instantly, judges the performance of the battery, measures the capacity of the battery pack through checking discharge and measures various parameters in the discharge process.

In order to automatically store the monitoring data and provide the monitoring data for on-site query, the storage device is used for storing real-time data information and is connected with the control device; meanwhile, the intelligent monitoring system also comprises a touch screen which is connected with the control equipment in order to set parameter information on site, check alarm information or monitor data information in real time.

The alarm device is connected with the control device, the alarm device can also adopt an acousto-optic alarm, before the system works, the maximum value and the minimum value of voltage, current or temperature and the like can be preset through a touch screen or an upper computer, when the voltage, current, temperature and voltage difference values of the single battery are detected to be out of limit, alternating current is lost and the like, the device automatically stops discharging, and automatically alarms to inform maintenance personnel to check the voltage, current, temperature and voltage difference values; the alarm mode can adopt on-site acousto-optic sound flashing, the touch screen displays the alarm content, and the telecontrol fault node is closed; and the remote upper computer gives an alarm and displays the alarm content.

The communication module can be a wired communication module and/or a wireless communication module, and the communication module communicates with the upper computer through the wired communication module and/or the wireless communication module.

To sum up, the utility model discloses an install each battery cell voltage at the capacity test equipment of transformer substation, voltage and current data acquisition equipment and internal resistance test equipment real-time supervision storage battery, charge-discharge current and temperature, check nature discharge and internal resistance, convey the data of gathering to the host computer in real time through communication module simultaneously and save, analysis processes, release demonstration and fault warning, make fortune dimension personnel can master each transformer substation storage battery's operational aspect and performance variation trend in real time, make storage battery obtain timely maintenance, improve direct current system's security and reliability, reach the reduction of staff and improve effects.

The above description is only a preferred embodiment of the present application and is not intended to limit the present application, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, improvement and the like made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Although the present invention has been described with reference to the accompanying drawings, it is not intended to limit the scope of the present invention, and those skilled in the art should understand that various modifications or variations that can be made by those skilled in the art without inventive work are still within the scope of the present invention.

Claims

1. The storage battery data online acquisition device is characterized by comprising a storage battery pack and a main controller, wherein the storage battery pack comprises a plurality of single batteries, each single battery is respectively connected with a capacity test device and a voltage and current data acquisition device, and the single batteries are also connected with an internal resistance test device; and the capacity test equipment, the voltage and current data acquisition equipment and the internal resistance test equipment are respectively connected with the main controller.

2. The storage battery data online acquisition device of claim 1, wherein a temperature sensor is arranged on the inner wall of the single battery, and the temperature sensor is connected with the master controller.

3. The storage battery data online acquisition device of claim 1, wherein the master controller is connected with a communication module, and data transmission is performed with an upper computer through the communication module.

4. The device for on-line collection of the data of the storage battery as claimed in claim 3, wherein the master controller and the communication module are connected through 485 lines.

5. The device for on-line collection of the data of the storage battery according to claim 3, wherein the communication module can be a wired communication module or a wireless communication module, and the wireless communication module comprises a coding module and a high-frequency transmitting and receiving module.

6. The storage battery data online acquisition device of claim 3, wherein the upper computer can be a PC or an intelligent mobile terminal.

7. The storage battery data online acquisition device of claim 1, wherein the master controller is further connected with a storage device, and the storage device is used for storing the acquired real-time acquired data.

8. The device for on-line collection of the data of the storage battery as claimed in claim 1, wherein the master controller is further connected with an alarm device.

9. The device for on-line collection of battery data as claimed in claim 8, wherein the alarm device is an indicator light or an alarm.

10. The storage battery data online acquisition device as claimed in claim 1, wherein the master controller is further connected with a control device, and the control device is provided with a touch screen.