CN203688777U - Storage battery pack monitoring device - Google Patents
Storage battery pack monitoring device Download PDFInfo
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- CN203688777U CN203688777U CN201320467619.4U CN201320467619U CN203688777U CN 203688777 U CN203688777 U CN 203688777U CN 201320467619 U CN201320467619 U CN 201320467619U CN 203688777 U CN203688777 U CN 203688777U
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- monitoring module
- battery pack
- module
- voltage
- interface circuit
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- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
The utility model relates to a battery pack embedded type monitoring device based on ARM. The storage battery pack monitoring device comprises a master control panel, a selective sampling module, a voltage monitor module, a current monitoring module, a temperature monitoring module, an LCD displayer, an SD card, and an RS 485. The master control panel is connected to a gating signal terminal of the selective sampling module, the voltage monitoring module, the current monitoring module, the temperature monitoring module, the LCD display controller, the SD card and the RS485; the monitor signal input terminal of the selective sampling module is connected to the storage battery pack; the signal output terminal of the selective sampling module is connected to the voltage monitoring module, the current monitoring module, and the temperature monitoring module. The storage battery pack monitor device can circularly collect working voltage of battery storages of multiple paths, charging and discharging current and temperature parameters. The LCD equipped on the utility model can display voltage, current and temperature of each segment of the battery pack, and can alarm when the parameters exceed limits.
Description
Technical field
The utility model belongs to monitoring equipment field, relates in particular to a kind of battery pack monitoring equipment.
Background technology
At present, electric automobile is with energy-conservation, environment friendly and pollution-free and be subject to various countries pay attention to, but because the battery pack of electric automobile lacks effective monitoring equipment, driver and maintainer cannot learn the state of each joint accumulator, also just cannot find in time, safeguard and replace problematic battery, whole battery pack is operated in without under supervision state, make overcharging of battery pack, electric discharge, overheated phenomenon can not get effective control, the use of connecting together with good battery for a long time of power shortage battery, not only its oneself state can exacerbated, but also have a strong impact on life-span of accumulator, cause the waste that accumulator is very big.Therefore, in the urgent need to a kind of accumulator monitoring equipment that can monitor battery performance state.
Utility model content
The purpose of this utility model is to solve the problem existing in accumulator monitoring, and a kind of battery pack monitoring equipment simple to operate is provided.
The utility model solves its technical matters and takes following technical scheme to realize:
A kind of battery pack monitoring equipment, comprises master control board, selects sampling module, voltage monitoring module, current monitoring module, temperature monitoring module, LCD display, touch-screen, hummer, SD card; Described master control board links and connects with gating signal input end, voltage monitoring module, current monitoring module, temperature monitoring module, LCD display, touch-screen, hummer, the SD of the code translator of described selection sampling module respectively; The input end of the light coupling relay of described selection sampling module is connected with the cell batteries in battery pack, and output terminal is connected with described voltage monitoring module; Described voltage monitoring module is connected with described selection sampling module; Described master control board comprises ARM9 chip S3C2440A, ADC interface circuit, LCD display interface circuit, touch screen interface circuit, buzzer interface circuit, the SD card interface circuit that Samsung produces; Described selection sampling module comprises code translator and light coupling relay, and the model of described code translator is 74HC138, and the model of described light coupling relay is AQY210; Described voltage monitoring module is used for monitoring each single battery voltage in battery pack, comprises differential amplifier and multiway analog switch, and the model of described differential amplifier is TL048, and the model of described multiway analog switch is HCN201; Described current monitoring module is used for monitoring the electric current of battery pack, in order to improve measuring accuracy, use be special current detecting chip MAX471; Described temperature monitoring module is used for measuring each battery temp of battery pack, in order to improve measuring accuracy, use be digital temperature sensor DS18B20, be connected with each accumulator in described master control board and battery pack; Described LCD display is used for showing in real time the electric current of battery pack, monomer voltage, monomer temperature and the residual capacity of each accumulator; Described hummer is used for to battery pack parameter overload alarm: in the time that battery pack occurs that the unusual condition such as superpressure, high temperature appears in overcurrent, cell batteries, the hummer warning of can sounding a buzzer immediately, and can be by finding out problematic accumulator in LCD display; Described SD card is storer, is used for preserving sampled result.
Advantage of the present utility model and good effect are:
Automatically operation after the utility model starts, can circle collection and show operating voltage, charging and discharging currents and the temperature value of multipath accumulator, can the operational factor of battery pack (comprising voltage, electric current, temperature) be transfinited and be reported to the police, equipment carried out one time signals collecting every 0.02 second, convert the analog quantity of voltage, electric current and temperature to digital quantity, set it as final samples result and be saved in SD card.
Accompanying drawing explanation
Below in conjunction with accompanying drawing and example, the utility model is further illustrated.
Fig. 1 is structural representation of the present utility model;
Fig. 2 is master control board schematic diagram of the present utility model;
Fig. 3 is selection sampling module structural representation of the present utility model;
Fig. 4 is voltage monitoring modular structure schematic diagram of the present utility model;
In Fig. 1, comprise master control board, select sampling module, voltage monitoring module, current monitoring module, temperature monitoring module, LCD display, touch-screen, hummer, SD card and system software; Wherein, voltage monitoring module is by selecting sampling module each single battery voltage every 0.02 second circle collection battery pack; Current monitoring module gathered the electric current of battery pack every 0.02 second; Temperature monitoring module is every each battery temp of 0.02 second battery pack; The voltage, electric current, the temperature signal that collect send respectively master control borad to, then are shown and be stored on SD card by LCD display; In the time that transfiniting, the operational factor (comprising voltage, electric current, temperature) of battery pack passes through buzzer warning.
In Fig. 2, described master control board comprises ARM9 chip S3C2440A, ADC interface circuit, LCD display interface circuit, touch screen interface circuit, buzzer interface circuit, the SD card interface circuit that Samsung produces.Wherein, ADC interface circuit is used for connecting voltage monitoring module, current monitoring module; LCD display interface circuit is used for connecting LCD display; Touch screen interface circuit is used for connecting that touch-screen, buzzer interface circuit are used for connecting hummer, SD card interface circuit is used for connecting SD card.
In Fig. 3, input end A, the B of 74HC138 code translator, C are controlled by S3C2440A, accept to send gating signal after S3C2440A instruction, thereby certain cell batteries positive and negative end voltage is caused to linear optical coupling district.Control system is sent successively to B
1-B
8voltage acquisition instruction, just gating B successively of 74HC138 code translator
1-B
8positive and negative end voltage, realizes cell voltage and patrols and examines.Light coupling relay AQY210 is switching device, realizes the isolation of control circuit and main circuit simultaneously.
In Fig. 4, input voltage and output voltage close and are: V
out=V
in* R
2/ R
1; Amplifier LM324 and high linear light lotus root HCNR201, make cell batteries voltage be converted into voltage in A/D working range, and realize forceful electric power and weakness isolation; Resistance R
3play metering function, pull down resistor R
4guarantee that in the situation that not inputting, making this input point is zero.
Embodiment
Below in conjunction with accompanying drawing, the utility model is described in further detail:
Referring to Fig. 1, battery pack monitoring equipment adopts Embedded Linux System design, by selecting sampling module, voltage monitoring module, current monitoring module, temperature monitoring module gathered voltage, electric current, the temperature signal of battery pack and passed to master control borad S3C2440A every 0.02 second, in LCD display, show that collection result is convenient to driver or maintainer understands each joint battery condition, and be stored in SD card so that further analyze and use; In the time that battery pack occurs that the unusual condition such as superpressure, high temperature appears in overcurrent, cell batteries, the hummer warning of can sounding a buzzer immediately, and can be by finding out problematic accumulator in LCD display.
Claims (3)
1. a battery pack monitoring equipment, is characterized in that, comprises master control board, selects sampling module, voltage monitoring module, current monitoring module, temperature monitoring module, LCD display, touch-screen, hummer, SD card; Described master control board links and connects with gating signal input end, voltage monitoring module, current monitoring module, temperature monitoring module, LCD display, touch-screen, hummer, the SD of the code translator of described selection sampling module respectively; The input end of the light coupling relay of described selection sampling module is connected with the cell batteries in battery pack, and output terminal is connected with described voltage monitoring module; Described voltage monitoring module is connected with described selection sampling module.
2. a kind of battery pack monitoring equipment according to claim 1, it is characterized in that, described master control board comprises ARM9 chip S3C2440A, ADC interface circuit, LCD display interface circuit, touch screen interface circuit, buzzer interface circuit, the SD card interface circuit that Samsung produces.
3. a kind of battery pack monitoring equipment according to claim 1, is characterized in that, described selection sampling module comprises code translator and light coupling relay, and the model of described code translator is 74HC138, and the model of described light coupling relay is AQY210.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320467619.4U CN203688777U (en) | 2013-07-26 | 2013-07-26 | Storage battery pack monitoring device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320467619.4U CN203688777U (en) | 2013-07-26 | 2013-07-26 | Storage battery pack monitoring device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203688777U true CN203688777U (en) | 2014-07-02 |
Family
ID=51010662
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320467619.4U Expired - Fee Related CN203688777U (en) | 2013-07-26 | 2013-07-26 | Storage battery pack monitoring device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203688777U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109901078A (en) * | 2019-04-18 | 2019-06-18 | 国网冀北电力有限公司承德供电公司 | Cell batteries internal resistance and temperature measuring circuit |
-
2013
- 2013-07-26 CN CN201320467619.4U patent/CN203688777U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109901078A (en) * | 2019-04-18 | 2019-06-18 | 国网冀北电力有限公司承德供电公司 | Cell batteries internal resistance and temperature measuring circuit |
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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 |
Granted publication date: 20140702 Termination date: 20150726 |
|
| EXPY | Termination of patent right or utility model |