CN203193259U - Battery temperature protection system for electric vehicle - Google Patents
Battery temperature protection system for electric vehicle Download PDFInfo
- Publication number
- CN203193259U CN203193259U CN 201320192884 CN201320192884U CN203193259U CN 203193259 U CN203193259 U CN 203193259U CN 201320192884 CN201320192884 CN 201320192884 CN 201320192884 U CN201320192884 U CN 201320192884U CN 203193259 U CN203193259 U CN 203193259U
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- Prior art keywords
- battery
- chip microcomputer
- protection system
- temperature
- frequency identification
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
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- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
The utility model discloses a battery temperature protection system for an electric vehicle. The electric vehicle comprises a battery, and an electronic tag which is used for recording safe work temperature range of the battery. The battery is connected with a charging system. The battery temperature protection system of the utility model comprises a temperature sensor, an A/D converter, a DSP, a single chip microcomputer, a radio frequency identification chip, and a switch tube, wherein the battery, the temperature sensor, the A/D converter, the DSP, the single chip microcomputer, and the switch tube are sequentially connected. The radio frequency identification chip is connected with the single chip microcomputer. The radio frequency identification chip is wirelessly connected with the electronic lag. The switch tube is connected between the battery and the charging system. The battery temperature protection system of the utility model monitors the temperature of the battery when the battery is being charged and stops the battery from being charged when the temperature exceeds a predetermined safety value, therefore prolonging the service lifetime of the battery.
Description
Technical field
The utility model relates to a kind of battery temperature protection system for electric motor car.
Background technology
Electric motor car obtains users' favor as a kind of daily vehicles always because of its green non-pollution.The vehicle dependent battery is as its power source, so the performance of battery is most important.In the process of charging the battery, when battery temperature is elevated to certain value, can bring infringement to battery, reduce its useful life.Therefore, design a kind of in charging process, the monitoring battery temperature protection system be the problem that the applicant is devoted to solve.
Summary of the invention
The purpose of this utility model is to overcome the defective of prior art and a kind of battery temperature protection system for electric motor car is provided, and in battery charging process, monitors the temperature of battery in real time, when temperature exceeds the reservation safety value, disconnects battery charge.
The technical scheme that realizes above-mentioned purpose is:
A kind of battery temperature protection system for electric motor car; the electronic tag that described electric motor car comprises battery and records this cell safety operating temperature range; described battery connects charging system; described battery temperature protection system comprises temperature sensor, A/D(mould/number) transducer, DSP(digital signal processor), single-chip microcomputer, wireless radio-frequency identification chip and switching tube, wherein:
Described battery, temperature sensor, A/D converter, DSP, single-chip microcomputer and switching tube are connected successively;
Described wireless radio-frequency identification chip connects described single-chip microcomputer;
The described electronic tag of described wireless radio-frequency identification chip wireless connections;
Described switching tube is connected between described battery and the charging system.
The above-mentioned battery temperature protection system that is used for electric motor car; wherein, described switching tube is metal-oxide-semiconductor (metal-oxide-semiconductor field effect transistor), and the grid of this metal-oxide-semiconductor connects described single-chip microcomputer; drain electrode connects described charging system, and source electrode connects described battery.
The beneficial effects of the utility model are: the utility model is monitored the temperature of battery in real time when battery charge, in case battery temperature exceeds the reservation safety value, the automatic disconnection battery charge, when battery temperature is returned to normal value, connect battery charge automatically, increased the useful life of battery.
Description of drawings
Fig. 1 is the structural representation of the battery temperature protection system for electric motor car of the present utility model.
Embodiment
The utility model is described in further detail below in conjunction with accompanying drawing.
See also Fig. 1, electric motor car comprises battery 100, and the electronic tag 200 that records these battery 100 safe working temperature scopes, and battery 100 connects charging system 300, realizes charging.Battery temperature protection system for electric motor car of the present utility model comprises temperature sensor 1, A/D converter 2, DSP3, single-chip microcomputer 4, wireless radio-frequency identification chip 5 and switching tube 6, wherein:
Wireless radio-frequency identification chip 5 connects single-chip microcomputer 4, wireless radio-frequency identification chip 5 wireless connections electronic tags 200; Wireless radio-frequency identification chip 5 is wireless to read temperature informations in the electronic tag 200, and this temperature information is passed to single-chip microcomputer 4;
Switching tube 6 is connected between battery 100 and the charging system 300; The real time temperature that single-chip microcomputer 4 detects batteries 100 whether in the safe working temperature scope that electronic tag 200 is preserved, if, do not send control signal and give switching tube 6, switching tube 6 is connected, charging system 300 gives battery 100 chargings; If do not exist, namely exceed the safe working temperature scope, single-chip microcomputer 4 sends control signal and gives switching tube 6, makes switching tube 6 disconnect, and charging system 300 stops to battery 100 chargings
In the present embodiment, switching tube 6 is metal-oxide-semiconductor, and the grid of this metal-oxide-semiconductor connects single-chip microcomputer 4, and drain electrode connects charging system 300, and source electrode connects battery 100.The model that DSP3 selects for use is TMS320F2808; Single-chip microcomputer 4 is selected the 80C51 single-chip microcomputer for use; The model that wireless radio-frequency identification chip 5 is selected for use is MFRC52201HN1 or NRF24LE1.
Claims (2)
1. battery temperature protection system that is used for electric motor car; the electronic tag that described electric motor car comprises battery and records this cell safety operating temperature range; described battery connects charging system; it is characterized in that; described battery temperature protection system comprises temperature sensor, A/D converter, DSP, single-chip microcomputer, wireless radio-frequency identification chip and switching tube, wherein:
Described battery, temperature sensor, A/D converter, DSP, single-chip microcomputer and switching tube are connected successively;
Described wireless radio-frequency identification chip connects described single-chip microcomputer;
The described electronic tag of described wireless radio-frequency identification chip wireless connections;
Described switching tube is connected between described battery and the charging system.
2. the battery temperature protection system for electric motor car according to claim 1 is characterized in that, described switching tube is metal-oxide-semiconductor, and the grid of this metal-oxide-semiconductor connects described single-chip microcomputer, and drain electrode connects described charging system, and source electrode connects described battery.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320192884 CN203193259U (en) | 2013-04-17 | 2013-04-17 | Battery temperature protection system for electric vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320192884 CN203193259U (en) | 2013-04-17 | 2013-04-17 | Battery temperature protection system for electric vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203193259U true CN203193259U (en) | 2013-09-11 |
Family
ID=49110089
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320192884 Expired - Lifetime CN203193259U (en) | 2013-04-17 | 2013-04-17 | Battery temperature protection system for electric vehicle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203193259U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109932660A (en) * | 2019-04-04 | 2019-06-25 | 远盈智慧能源有限公司 | A kind of electric vehicle safety monitoring system |
-
2013
- 2013-04-17 CN CN 201320192884 patent/CN203193259U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109932660A (en) * | 2019-04-04 | 2019-06-25 | 远盈智慧能源有限公司 | A kind of electric vehicle safety monitoring system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130911 |