CN202794480U - Monitoring device of storage battery pack - Google Patents
Monitoring device of storage battery pack Download PDFInfo
- Publication number
- CN202794480U CN202794480U CN 201220499901 CN201220499901U CN202794480U CN 202794480 U CN202794480 U CN 202794480U CN 201220499901 CN201220499901 CN 201220499901 CN 201220499901 U CN201220499901 U CN 201220499901U CN 202794480 U CN202794480 U CN 202794480U
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- internal resistance
- discharge
- voltage acquisition
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- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
The utility model provides a monitoring device of a storage battery pack. The monitoring device aims at solving the problem that the existing inspecting device of storage batteries cannot accurately detect the storage battery pack in float-charging states. The monitoring device comprises a display control module, a voltage acquisition module and an internal resistance discharge module, wherein the internal resistance discharge module comprises a relay switching unit, a large-power discharge resistance circuit, an internal resistance discharge module end central processing unit (CPU) 9 and an internal resistance discharge module end RS485 communication module. By monitoring voltage drop modes of voltage at ends of the batteries when the serially-connected batteries discharge large current instantly, and calculating internal resistance of the batteries according to the algorithm, the discharge capability of the batteries can be reflected. The monitoring device of the storage battery pack has the advantages of accurately monitoring voltage and inner resistance of the storage batteries in an online mode, working stably and safely, being capable of monitoring a plurality of groups of batteries simultaneously, and being clear in system structure and simple in operation.
Description
Relate to the field
The utility model relates to the battery detecting technical field, is specifically related to a kind of monitoring device of battery pack.
Background technology
Existing accumulator checking device all is performance state of judging the accumulator of surveying by the terminal voltage state that detects every joint accumulator in the battery pack.But the battery pack because UPS(uninterrupted power source) is in the floating charging state for a long time, and when being in single accumulator under this state and even if the rapid deterioration of battery performance occurring or the connection fault of single accumulator occurs, the variation of its terminal voltage is also not obvious, until could find to exist unit exception during battery discharging, but often late.
The utility model content
For the existing deficiency of existing accumulator checking device, the utility model provides a kind of monitoring device of battery pack, and its concrete structure is as follows:
A kind of monitoring device of battery pack, comprise display control module 1 and voltage acquisition module 2, described voltage acquisition module 2 comprises voltage acquisition module end CPU3, ADC(digital to analog converter) 4 and voltage acquisition module terminal RS 485 communication module 5, the monitoring device of described battery pack also comprises internal resistance discharge module 6, and described internal resistance discharge module 6 comprises relay switch unit 7, high power discharge resistance circuit 8, internal resistance discharge module end CPU9 and internal resistance discharge module terminal RS 485 communication module 10; Wherein, side on the relay switch unit 7 is provided with an above battery wire head, the opposite side of described relay switch unit 7 is connected with high power discharge resistance circuit 8, the opposite side of described high power discharge resistance circuit 8 is connected with internal resistance discharge module end CPU9, the opposite side of described internal resistance discharge module end CPU9 is connected with internal resistance discharge module terminal RS 485 communication module 10, and the other end of described internal resistance discharge module terminal RS 485 communication module 10 is connected with display control module 1.
The effect that the utility model is useful has:
1, can online auto monitoring accumulator internal resistance information;
2, simultaneously monitoring voltage and internal resistance information are for judging that accumulator property provides more foundations;
3, discharge portion is made of relay and high power discharge resistance, has guaranteed stability and the security of device operation;
4, can monitor simultaneously many Battery packs, system architecture is clear, and is simple to operate.
Description of drawings
Fig. 1 is structural representation of the present utility model.
Sequence number is among the figure: display control module 1, voltage acquisition module 2, voltage acquisition module end CPU3, ADC4, voltage acquisition module terminal RS 485 communication module 5, internal resistance discharge module 6,, relay switch unit 7, high power discharge resistance circuit 8, internal resistance discharge module end CPU9, internal resistance discharge module terminal RS 485 communication module 10.
Embodiment
For content of the present utility model is more likely to be clearly understood, below in conjunction with the drawings and specific embodiments the utility model is described in further detail
A kind of monitoring device of battery pack, comprise display control module 1 and voltage acquisition module 2, described voltage acquisition module 2 comprises voltage acquisition module end CPU3, ADC4 and voltage acquisition module terminal RS 485 communication module 5, the monitoring device of described battery pack also comprises internal resistance discharge module 6, and described internal resistance discharge module 6 comprises relay switch unit 7, high power discharge resistance circuit 8, internal resistance discharge module end CPU9 and internal resistance discharge module terminal RS 485 communication module 10; Wherein, side on the relay switch unit 7 is provided with more than one battery wire head, the opposite side of described relay switch unit 7 is connected with high power discharge resistance circuit 8, the opposite side of described high power discharge resistance circuit 8 is connected with internal resistance discharge module end CPU9, the opposite side of described internal resistance discharge module end CPU9 is connected with internal resistance discharge module terminal RS 485 communication module 10, and the other end of described internal resistance discharge module terminal RS 485 communication module 10 is connected with display control module 1.
In addition, described voltage acquisition module end CPU3 and internal resistance discharge module end CPU9 all adopt 8 single-chip microcomputers of atmel company, and its model is ATmega16a.
In addition, described display control module is Delta industry control touch-screen, and model is DOP-8.
In addition, described voltage acquisition module 2 is provided with more than one ADC4, the other end of described ADC4 all is connected with voltage acquisition module end CPU3, the other end of described voltage acquisition module end CPU3 is connected with voltage acquisition module terminal RS 485 communication module 5, and the other end of described voltage acquisition module terminal RS 485 communication module 5 is connected with display control module 1.
The high power discharge resistance that uses in the described high power discharge resistance circuit 8 is 50W gold aluminum casing resistor.
Described voltage acquisition module terminal RS 485 communication module 5 and internal resistance discharge module terminal RS 485 communication module 10 all adopt MAX485.
During use, each battery of battery pack is connected to voltage acquisition module 2 and internal resistance discharge module 6, voltage acquisition module 2 and internal resistance discharge module 6 are connected on the display control module 1 by communication bus.By the discharge time of display control module 1 control internal resistance discharge module 6, display control module 1 control voltage acquisition module 2 gathers before the battery discharge and the voltage after the discharge simultaneously; By voltage and the internal resistance information that calculates battery.
Claims (4)
1. the monitoring device of a battery pack, comprise display control module (1) and voltage acquisition module (2), described voltage acquisition module (2) comprises voltage acquisition module end CPU(3), the ADC(digital to analog converter) (4) and voltage acquisition module terminal RS 485 communication module (5), it is characterized in that: the monitoring device of described battery pack also comprises internal resistance discharge module (6), and described internal resistance discharge module (6) comprises relay switch unit (7), high power discharge resistance circuit (8), internal resistance discharge module end CPU(9) and internal resistance discharge module terminal RS 485 communication module (10); Wherein, side on the relay switch unit (7) is provided with an above battery wire head, the opposite side of described relay switch unit (7) is connected with high power discharge resistance circuit (8), the opposite side of described high power discharge discharge resistance circuit (8) and internal resistance discharge module end CPU(9) be connected, described internal resistance discharge module end CPU(9) opposite side is connected with internal resistance discharge module terminal RS 485 communication module (10), and the other end of described internal resistance discharge module terminal RS 485 communication module (10) is connected with display control module (1).
2. the monitoring device of a kind of battery pack as claimed in claim 1 is characterized in that, described voltage acquisition module end CPU(3) and internal resistance discharge module end CPU(9) all adopting 8 single-chip microcomputers of atmel company, its model is ATmega16a.
3. the monitoring device of a kind of battery pack as claimed in claim 1 is characterized in that, described display control module is Delta industry control touch-screen, and model is DOP-8.
4. the monitoring device of a kind of battery pack as claimed in claim 1, it is characterized in that, described voltage acquisition module (2) was provided with one with last ADC(4), described ADC(4) the other end all with voltage acquisition module end CPU(3) be connected, described voltage acquisition module end CPU(3) the other end is connected with voltage acquisition module terminal RS 485 communication module (5), and the other end of described voltage acquisition module terminal RS 485 communication module (5) is connected with display control module (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220499901 CN202794480U (en) | 2012-09-28 | 2012-09-28 | Monitoring device of storage battery pack |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220499901 CN202794480U (en) | 2012-09-28 | 2012-09-28 | Monitoring device of storage battery pack |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202794480U true CN202794480U (en) | 2013-03-13 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220499901 Expired - Fee Related CN202794480U (en) | 2012-09-28 | 2012-09-28 | Monitoring device of storage battery pack |
Country Status (1)
| Country | Link |
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| CN (1) | CN202794480U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106814332A (en) * | 2017-03-23 | 2017-06-09 | 中国人民解放军国防科学技术大学 | A kind of multifunction structure lithium battery interior voltage detecting system |
-
2012
- 2012-09-28 CN CN 201220499901 patent/CN202794480U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106814332A (en) * | 2017-03-23 | 2017-06-09 | 中国人民解放军国防科学技术大学 | A kind of multifunction structure lithium battery interior voltage detecting system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130313 Termination date: 20170928 |