CN213122170U - Automatic charge-discharge aging detection device for storage battery - Google Patents
Automatic charge-discharge aging detection device for storage battery Download PDFInfo
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- CN213122170U CN213122170U CN202020915274.4U CN202020915274U CN213122170U CN 213122170 U CN213122170 U CN 213122170U CN 202020915274 U CN202020915274 U CN 202020915274U CN 213122170 U CN213122170 U CN 213122170U
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Abstract
The utility model discloses an automatic charge-discharge aging testing device of battery belongs to battery detection device technical field. The device comprises a plurality of storage battery packs, wherein each storage battery pack is correspondingly connected with a discharging device, and each discharging device comprises a frequency converter, a micro control unit, a storage battery pack charger, a discharging module, a first timer and an electric quantity detection module; the discharging module comprises a load change-over switch, a second timer, a third timer, a first load and a second load, and the input end of the load change-over switch is connected to the micro control unit. The charging and discharging time of the battery pack is controlled to be a fixed time by configuring a discharging device and a discharging device on each battery pack and controlling a group of battery packs, so that the state can be switched after the fixed time no matter whether the battery pack is fully charged or discharged, and the charging and discharging effect and the quality of the battery pack are tested.
Description
Technical Field
The utility model relates to an automatic charge-discharge aging testing device of battery belongs to battery detection technical field.
Background
The storage battery discharging device is designed aiming at the requirements of capacity quality testing, maintenance and the like of storage batteries of operation power supplies of various power plants, and is a safe, portable and intelligent direct-current discharging load. When the terminal voltage of any single battery in the storage battery reaches a set cut-off voltage value, the capacity monitoring equipment informs the discharging equipment to stop discharging so as to avoid any battery from over-discharging and damaging the battery. Although the test mode is similar to the traditional test method, the load current and the record do not need to be adjusted manually, the required data and various analysis curves can be conveniently obtained, and the test mode has various protection functions so as to facilitate the discharge and automatic test record which are unattended for a long time, so the test mode has very important functions in the occasions of acceptance, checking discharge and regular deep discharge of the storage battery.
The existing discharging device can be connected with a storage battery pack online capacity detection device for operation, when the battery pack discharges and the terminal voltage of any single battery reaches a set cut-off voltage value, the capacity monitoring device can inform the discharging device to stop discharging so as to avoid the damage to the battery caused by over-discharge of any battery. Although the device can protect the battery pack from being damaged to a certain extent, the quality of the battery can not be detected, the condition that the damage of a single battery in the battery pack can not be found in time is easy to occur, and the power supply is unstable.
Disclosure of Invention
The utility model discloses the technical problem that will solve lies in: the utility model provides an ageing detection device of automatic charge-discharge of battery, it has solved among the prior art that battery discharge device can't detect out the quality of battery, appears easily that single battery damages but the condition that can't in time discover in the group battery, causes the unstable problem of power supply.
The utility model discloses the technical problem that will solve takes following technical scheme to realize:
the device for detecting the aging of the storage battery in automatic charging and discharging comprises a plurality of storage battery packs, wherein each storage battery pack is correspondingly connected with a discharging device, and each discharging device comprises a frequency converter, a micro control unit, a storage battery pack charger, a discharging module, a first timer, a second timer and an electric quantity detection module;
the input end of the frequency converter is connected with three-phase commercial power, the output end of the frequency converter is connected with the micro control unit, one end of the micro control unit outputs to the storage battery charger, the other end of the micro control unit outputs to the discharging module, the input end of the first timer is connected to the output end of the storage battery charger, the output end of the first timer is connected to the storage battery, and the output end of the storage battery is connected to the discharging module;
the discharging module comprises a load change-over switch, a second timer, a third timer, a first load and a second load, wherein the input end of the load change-over switch is connected to the micro control unit, the output end of the load change-over switch is respectively connected to the second timer and the third timer, the first load is connected to the second timer, and the second load is connected to the third timer;
the electric quantity detection module is used for detecting the electric quantity of the storage battery pack.
As a preferred example, the micro control unit employs an MC68HC08 series microcontroller.
As a preferred example, the load changeover switch is an electromagnetic changeover switch.
The utility model has the advantages that: the charging and discharging time of the battery pack is controlled to be a fixed time by configuring a discharging device and a discharging device on each battery pack and controlling a group of battery packs, so that the state can be switched after the fixed time no matter whether the battery pack is fully charged or discharged, and the charging and discharging effect and the quality of the battery pack are tested.
Drawings
FIG. 1 is a general schematic diagram of the present invention;
FIG. 2 is a schematic diagram showing the connection of various parts of the discharge device;
fig. 3 is a schematic diagram showing connection of parts of the discharge module.
In the figure: the device comprises a three-phase mains supply 1, a discharging device 100, a frequency converter 2, a micro control unit 3, a storage battery charger 4, a discharging module 5, a first timer 6, an electric quantity detection module 7, a storage battery 8, a load changeover switch 51, a second timer 52, a third timer 53, a first load 54 and a second load 55.
Detailed Description
In order to make the technical means, the creation features, the achievement purposes and the functions of the present invention easy to understand and understand, the present invention is further explained by combining the following specific drawings.
As shown in fig. 1-3, an automatic charge-discharge aging detection device for a storage battery comprises a plurality of storage battery packs 8, each storage battery pack 8 is correspondingly connected with a discharge device 100, and each discharge device 100 comprises a frequency converter 2, a micro control unit 3, a storage battery pack charger 4, a discharge module 5, a first timer 6 and an electric quantity detection module 7;
the input end of the frequency converter 2 is connected with a three-phase commercial power 1, the output end of the frequency converter 2 is connected with the micro control unit 3, one end of the micro control unit 3 is output to the storage battery charger 4, the other end of the micro control unit 3 is output to the discharging module 5, the input end of the first timer 6 is connected to the output end of the storage battery charger 4, the output end of the first timer 6 is connected to the storage battery 8, and the output end of the storage battery 8 is connected to;
the discharging module 5 comprises a load switch 51, a second timer 52, a third timer 53, a first load 54 and a second load 55, wherein the input end of the load switch 51 is connected to the micro-control unit 3, the output end of the load switch 51 is respectively connected to the second timer 52 and the third timer 53, the first load 54 is connected to the second timer 52, and the second load 55 is connected to the third timer 53;
the electric quantity detection module 7 is used for detecting the electric quantity of the storage battery pack 8.
The micro control unit 3 employs an MC68HC08 series microcontroller.
The load changeover switch 51 is an electromagnetic changeover switch.
The working principle is as follows:
the discharging device 100 is connected with a three-phase commercial power 1, the circuit is divided into a plurality of paths for supplying power, the charging and discharging time of the storage battery pack 8 is controlled through the discharging device 100, the electric quantity of the first timer 6 is set for twenty-four hours, the storage battery pack 8 is charged for twenty-four hours once through the storage battery pack charger 4, then, the storage battery pack 8 is discharged through the discharging module 5, the micro control unit 3 controls the load switch 51 to select the first load 54 and the second load 55, the discharge of different loads is divided into a large current and a small current, the large current is scheduled by the second timer 52 for a period of one hour, the small current is discharged for twenty-three hours continuously in the time set by the third timer 53, the electric quantity of the storage battery pack 8 is detected by the electric quantity detection module 7, the existing commercially available 12V storage battery electric quantity detection display panel is adopted by the electric quantity detection module, and the process is circulated.
Each discharging device 100 controls one storage battery pack 8, so that the charging and discharging time of the storage battery pack 8 is controlled to be twenty-four hours, and the state can be switched after twenty-four hours no matter whether the storage battery pack 8 is fully charged or discharged.
The basic principles and the main features of the invention and the advantages of the invention have been shown and described above. Without departing from the spirit and scope of the present invention, there are also provided various changes and modifications that fall within the scope of the claimed invention. The scope of the invention is defined by the claims and their equivalents.
Claims (3)
1. The device for detecting the aging of the storage battery in automatic charging and discharging comprises a plurality of storage battery packs, and is characterized in that each storage battery pack is correspondingly connected with a discharging device, and each discharging device comprises a frequency converter, a micro control unit, a storage battery pack charger, a discharging module, a first timer and an electric quantity detection module;
the input end of the frequency converter is connected with three-phase commercial power, the output end of the frequency converter is connected with the micro control unit, one end of the micro control unit outputs to the storage battery charger, the other end of the micro control unit outputs to the discharging module, the input end of the first timer is connected to the output end of the storage battery charger, the output end of the first timer is connected to the storage battery, and the output end of the storage battery is connected to the discharging module;
the discharging module comprises a load change-over switch, a second timer, a third timer, a first load and a second load, wherein the input end of the load change-over switch is connected to the micro control unit, the output end of the load change-over switch is respectively connected to the second timer and the third timer, the first load is connected to the second timer, and the second load is connected to the third timer;
the electric quantity detection module is used for detecting the electric quantity of the storage battery pack.
2. The device for detecting the automatic charging and discharging aging of the storage battery as claimed in claim 1, wherein the micro control unit adopts an MC68HC08 series microcontroller.
3. The device for detecting the automatic charging and discharging aging of the storage battery as claimed in claim 2, wherein the load switch is an electromagnetic transfer switch.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020915274.4U CN213122170U (en) | 2020-05-27 | 2020-05-27 | Automatic charge-discharge aging detection device for storage battery |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202020915274.4U CN213122170U (en) | 2020-05-27 | 2020-05-27 | Automatic charge-discharge aging detection device for storage battery |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114252104A (en) * | 2021-12-14 | 2022-03-29 | 国网辽宁省电力有限公司技能培训中心 | Environment on-line monitoring and intelligent regulation and control device |
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- 2020-05-27 CN CN202020915274.4U patent/CN213122170U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114252104A (en) * | 2021-12-14 | 2022-03-29 | 国网辽宁省电力有限公司技能培训中心 | Environment on-line monitoring and intelligent regulation and control device |
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