CN202221904U - Vehicle-loaded battery electricity quantity monitoring device - Google Patents
Vehicle-loaded battery electricity quantity monitoring device Download PDFInfo
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- CN202221904U CN202221904U CN2011203039005U CN201120303900U CN202221904U CN 202221904 U CN202221904 U CN 202221904U CN 2011203039005 U CN2011203039005 U CN 2011203039005U CN 201120303900 U CN201120303900 U CN 201120303900U CN 202221904 U CN202221904 U CN 202221904U
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- automobile audio
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Abstract
The utility model relates to a vehicle-loaded battery electricity quantity monitoring device, comprising: a main control circuit connected with a voltage detection circuit and used for receiving signal of the voltage detection circuit to monitor the electricity quantity of a vehicle acoustics battery; the voltage detection circuit connected with the vehicle acoustics battery and used for detecting the voltage on the two ends of the vehicle acoustics battery and sending a signal to the main control circuit when the voltage is lower than a preset value; an alarm circuit connected with the main control circuit and controlled by the main control circuit to alarm and prompt the user of voltage state of the vehicle-loaded battery. The vehicle-loaded battery electricity quantity monitoring device can be made into a module product which is connected with the vehicle-loaded battery to monitor the battery electricity quantity at the real time, thus the vehicle is more humanized, the battery is protected, the power feed is avoided and the service life of the battery is prolonged. The vehicle-loaded battery electricity quantity monitoring device is targetably integrated on the vehicle-loaded electrical equipment, such as the vehicle acoustics, so as to form a vehicle acoustics battery electricity quantity monitoring device or form a vehicle-loaded acoustics product with a battery electricity quantity monitoring system.
Description
Technical field
The utility model relates to automobile mounted battery electric quantity supervising device.
Background technology
A lot of automobiles after flame-out, sound system (CD or DVD etc.) or other part electrical equipment still can work on a period of time (not waiting in general about one hour).Behind the automobile flameout; Electric system works on or during the static standby current sinking of electrical equipment; The on-vehicle battery electric weight will continue to reduce, but this state not monitored on the car, can not remind the user in time to charge or stop the inessential electrical equipment of part and use; So that may be the on-vehicle battery electric quantity consumption to the degree that can not light a fire, for the user makes troubles.
Summary of the invention
The utility model technical problem to be solved provides a kind of on-vehicle battery electric weight supervising device.
For solving the problems of the technologies described above, the utility model adopts following technical scheme to realize: a kind of on-vehicle battery electric weight supervising device comprises: governor circuit, be connected with voltage detecting circuit, and receive the voltage detecting circuit signal and realize the monitoring of on-vehicle battery electric weight; Voltage detecting circuit is connected with on-vehicle battery, detects the on-vehicle battery voltage, and voltage is lower than set point and then sends signal to governor circuit; Warning circuit is connected with governor circuit, receives governor circuit control with alarm user on-vehicle battery voltage condition.
The utility model also provides a kind of automobile audio battery quantity of electricity monitoring system, comprising:
Governor circuit is connected with voltage detecting circuit, receives the voltage detecting circuit signal and realizes the monitoring of automobile audio battery electric quantity;
Voltage detecting circuit is connected with the automobile audio battery, detects automobile audio battery voltage, and voltage is lower than set point and then sends signal to governor circuit;
Warning circuit is connected with governor circuit, receives governor circuit control with alarm user on-vehicle battery voltage condition.
Governor circuit can directly adopt the car audio system master controller in the above-mentioned automobile audio battery quantity of electricity monitoring system; Warning circuit can directly adopt the automobile audio display module to show the low excessively information indicating user of battery electric quantity, and/or adds the buzzer unit with the voice mode call user's attention.
Preferably, said automobile audio battery quantity of electricity monitoring system also comprises the automatic shutdown circuitry that is used to break off the automobile audio operating state that is connected with master controller.
The utility model also provides a kind of automobile audio, promptly in this automobile audio, adds above-mentioned sound equipment battery quantity of electricity monitoring system, improves the automobile audio function, promotes the automobile audio quality.
Compared with prior art, the beneficial effect of the utility model is: the said automobile batteries electric weight of the utility model supervising device can be made into a little module product, is connected on the automobile mounted battery; Monitoring battery electric weight situation constantly; Make automobile have more hommization, effectively avoid because the user continues to use equipment such as sound equipment to cause behind the automobile flameout running down of battery so that automobile can not be lighted a fire, and can well protect battery; Avoid producing feed, prolong battery useful life.
Description of drawings
The said automobile batteries electric weight of Fig. 1 supervising device principle is formed schematic block diagram;
Fig. 2 is said voltage detecting circuit embodiment principle schematic.
Embodiment
Below will combine accompanying drawing and embodiment that the utility model is explained in further detail for the ease of it will be appreciated by those skilled in the art that.
As shown in Figure 1, the utility model discloses on-vehicle battery electric weight supervising device, comprises governor circuit and the voltage detecting circuit, the warning circuit that are connected with governor circuit.
Wherein, voltage detecting circuit is connected with the on-vehicle battery two ends, is used to detect the on-vehicle battery voltage.Warning circuit adopts buzzer and LED light, buzzer and LED light can be directly by the I/O mouth driving of main control chip in the governor circuit.
The utility model can be made into a module separately, is installed on the automobile, detects automobile storage battery voltage through in fact the time; Be not activated at automobile under the situation of engine; Some equipment continues power consumption and causes automobile storage battery voltage to descend, and when voltage dropped to preset value, voltage detecting circuit aut sign level was to governor circuit; After governor circuit is received this triggering signal; Will send the corresponding prompt alarm song through buzzer, let the car owner obtain prompting after, the charging or some equipment of stopping using as early as possible.
The utility model also can be integrated in the vehicle mounted electrical apparatus equipment targetedly, for example it is integrated in the automobile audio, forms the automobile audio battery quantity of electricity monitoring system; Perhaps form a kind of vehicle audio product that has battery quantity of electricity monitoring system.
During practical implementation; Voltage detecting circuit is as shown in Figure 2; Said voltage detecting circuit comprises comparator U1, switching tube Q1 and detects resistance R 1, R2; Detection resistance R 1, R2 connect with battery and form the loop, comparator U1 in-phase input end input setting voltage value, and reverse input end is connected with resistance R 1, R2 series connection contact; When cell voltage was lower than set point, comparator U1 exported high level signal, then switching tube Q1 conducting, and OUT end output high level signal is given MCU.
The foregoing description is the preferred version that the utility model is realized; And indefiniteness is exhaustive; The utility model can also have other variations under same idea; Need to prove that do not breaking away under the utility model design prerequisite, any conspicuous replacement and minor variations are all within the protection range of the utility model.
Claims (9)
1. on-vehicle battery electric weight supervising device is characterized in that, comprising:
Governor circuit is connected with voltage detecting circuit, receives the voltage detecting circuit signal and realizes the monitoring of on-vehicle battery electric weight;
Voltage detecting circuit is connected with on-vehicle battery, detects the on-vehicle battery voltage, and voltage is lower than set point and then sends signal to governor circuit;
Warning circuit is connected with governor circuit, receives governor circuit control with alarm user on-vehicle battery voltage condition.
2. on-vehicle battery electric weight supervising device according to claim 1; It is characterized in that: said voltage detecting circuit comprises comparator U1, switching tube Q1 and detects resistance R 1, R2; Detection resistance R 1, R2 connect with battery and form the loop; Comparator U1 in-phase input end input setting voltage value, reverse input end is connected with resistance R 1, R2 series connection contact; When cell voltage was lower than set point, comparator U1 exported high level signal, then switching tube Q1 conducting, and OUT end output high level signal is given MCU.
3. on-vehicle battery electric weight supervising device according to claim 1 is characterized in that: said warning circuit comprises buzzer and the LED light that is connected with governor circuit.
4. an automobile audio battery quantity of electricity monitoring system is characterized in that, comprising:
Governor circuit is connected with voltage detecting circuit, receives the voltage detecting circuit signal and realizes the monitoring of automobile audio battery electric quantity;
Voltage detecting circuit is connected with the automobile audio battery, detects automobile audio battery voltage, and voltage is lower than set point and then sends signal to governor circuit;
Warning circuit is connected with governor circuit, receives governor circuit control with alarm user on-vehicle battery voltage condition.
5. automobile audio battery quantity of electricity monitoring system according to claim 4 is characterized in that: said governor circuit is the car audio system master controller.
6. automobile audio battery quantity of electricity monitoring system according to claim 5 is characterized in that: also comprise the automatic shutdown circuitry that is used to break off the automobile audio operating state that is connected with master controller.
7. automobile audio battery quantity of electricity monitoring system according to claim 6 is characterized in that: said warning circuit comprises display unit and the buzzer unit that is used to show information warning.
8. automobile audio battery quantity of electricity monitoring system according to claim 7 is characterized in that: said display unit is the automobile audio display module.
9. an automobile audio is characterized in that, comprises any described automobile audio battery quantity of electricity monitoring system among the aforesaid right requirement 4-8.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203039005U CN202221904U (en) | 2011-08-19 | 2011-08-19 | Vehicle-loaded battery electricity quantity monitoring device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203039005U CN202221904U (en) | 2011-08-19 | 2011-08-19 | Vehicle-loaded battery electricity quantity monitoring device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202221904U true CN202221904U (en) | 2012-05-16 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011203039005U Expired - Fee Related CN202221904U (en) | 2011-08-19 | 2011-08-19 | Vehicle-loaded battery electricity quantity monitoring device |
Country Status (1)
| Country | Link |
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| CN (1) | CN202221904U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103634725A (en) * | 2013-12-10 | 2014-03-12 | 惠州市德赛西威汽车电子有限公司 | Method and device for controlling silence |
| CN106080248A (en) * | 2016-07-28 | 2016-11-09 | 芜湖凯尔电气科技有限公司 | The electricity quantity alarm system of electric automobile |
| TWI563476B (en) * | 2013-04-02 | 2016-12-21 | Kwang Yang Motor Co | |
| CN110696753A (en) * | 2019-09-24 | 2020-01-17 | 惠州市德赛西威汽车电子股份有限公司 | System for solving vehicle-mounted multimedia feed and implementation method |
-
2011
- 2011-08-19 CN CN2011203039005U patent/CN202221904U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI563476B (en) * | 2013-04-02 | 2016-12-21 | Kwang Yang Motor Co | |
| CN103634725A (en) * | 2013-12-10 | 2014-03-12 | 惠州市德赛西威汽车电子有限公司 | Method and device for controlling silence |
| CN106080248A (en) * | 2016-07-28 | 2016-11-09 | 芜湖凯尔电气科技有限公司 | The electricity quantity alarm system of electric automobile |
| CN110696753A (en) * | 2019-09-24 | 2020-01-17 | 惠州市德赛西威汽车电子股份有限公司 | System for solving vehicle-mounted multimedia feed and implementation method |
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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: 20120516 Termination date: 20140819 |
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| EXPY | Termination of patent right or utility model |