CN103358991A - Monitoring and alarm system for automobile storage battery voltage and implementation method thereof - Google Patents
Monitoring and alarm system for automobile storage battery voltage and implementation method thereof Download PDFInfo
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- CN103358991A CN103358991A CN2013103176294A CN201310317629A CN103358991A CN 103358991 A CN103358991 A CN 103358991A CN 2013103176294 A CN2013103176294 A CN 2013103176294A CN 201310317629 A CN201310317629 A CN 201310317629A CN 103358991 A CN103358991 A CN 103358991A
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Abstract
The invention discloses a monitoring and alarm system for automobile storage battery voltage and an implementation method thereof. The system comprises a single chip microcomputer, an LED (Light Emitting Diode) indicating and buzzing alarm circuit, a voltage-stabilizing circuit, a voltage-dividing circuit and a program download interface, wherein the voltage-stabilizing circuit is respectively connected with the LED indicating and buzzing alarm circuit and the single chip microcomputer; the LED indicating and buzzing alarm circuit is connected with the output port of the single chip microcomputer; the voltage-dividing circuit is connected with the input port of the single-chip microcomputer; and the program download interface is connected with the single chip microcomputer. The system provided by the invention is integrated with alarm diagnosis, LED faulty indication and alarm output, the output of alarm sound can be divided according to seriousness of alarm state, and the system can be applied to monitoring and alarming voltage of a storage battery of a fire vehicle so as to protect normal use of the storage battery of the fire vehicle; and the whole system has the advantages of being convenient to use and install, simple in structure, complete in function, low in cost, long in service life and the like, and has practical value.
Description
Technical field
The present invention relates to a kind of voltage monitoring and warning and its implementation, specifically, relate to monitoring and warning and its implementation of a kind of automotive battery voltage, belong to voltage monitoring and alarm technique field.
Background technology
Accumulator voltage monitoring alarm is used for the monitoring battery tension with the correct use of protection storage battery, is used widely in a lot of fields, especially at automotive field.
In the prior art, mainly adopt following two schemes to realize the monitoring of battery tension:
Scheme one: realize by auto meter, namely by auto meter indicator lamp indication battery charge fault.The shortcoming of this scheme is only can indicate the battery charge fault, and storage battery under-voltage and driving engine do not have work and when using storage battery, not having the output of reporting to the police.
Scheme two: by realizing at the additional electric system of automobile dress, namely by realizing at the additional nonshared control unit of automobile dress and programming.The shortcoming of this scheme is to need additional nonshared control unit, has increased cost, has also limited to the widespread use of this technology.
Summary of the invention
The problems referred to above for the prior art existence, monitoring and warning and its implementation of the purpose of this invention is to provide a kind of automotive battery voltage, alarm diagnosis, LED indicating fault and the output of reporting to the police are integrated in one, to realize Real-Time Monitoring and the warning to automotive battery voltage.
For achieving the above object, the technical solution used in the present invention is as follows:
A kind of monitoring of automotive battery voltage and warning comprise micro controller system, are used to indicate the LED indication of the different alarm conditions of storage battery and sound caution and buzzer alarm circuit, for micro controller system and LED shows and the audible alarm module provides mu balanced circuit, bleeder circuit and the program download interface of constant voltage power suspply; Described mu balanced circuit is connected with micro controller system with LED indication and buzzer alarm circuit respectively, described LED indication and buzzer alarm circuit are connected with the output port of micro controller system, described bleeder circuit is connected with the input port of micro controller system, and described program download interface is connected with micro controller system.
As a kind of preferred version, described micro controller system comprise for gather the data acquisition module of analog input with switch input signal, finish analog data the AD modular converter, be used for logical process the cpu data processing module, be used for that control LED not under command light shows and the alarm output module of chimes of doom output, and the time block that is used for data sampling, data conversion storage, delay judgement, chimes of doom kind control timing.
As a kind of preferred version, described mu balanced circuit is for micro controller system and LED shows and the audible alarm module provides the 5V constant voltage power suspply.
As a kind of preferred version, described bleeder circuit is connected with battery tension signal and electrical generator generating signal.
As a kind of preferred version, described program download interface is connected with Programmer.
Said system realizes the monitoring of automotive battery voltage and the method for warning, comprises the steps:
1. after system powered on, system at first carried out initialization operation to micro controller system, the zero clearing time block;
2. time block decision systems circulating sampling speed, and finish voltage data and preserve;
3. micro controller system is finished AD conversion and the logical process of data:
A) when engine operation, the generating signal is arranged, if detect voltage＜27V, then export charge fault and report to the police, light corresponding warning LED light;
B) when driving engine is not worked, acomia electric signal if detect voltage in [19.2V, 24V] interval, and detects voltage drop Δ V, then exports the electricity consumption Warning alarm, lights corresponding warning LED light;
C) when driving engine is not worked, acomia electric signal if detect voltage＜19.2V, and continues 2 minutes, then exports the storage battery under-voltage and reports to the police, and lights corresponding warning LED light;
4. have three kinds of type of alarms, three kinds of corresponding three kinds of different chimes of dooms outputs of reporting to the police, per 1 second sound of charge fault chimes of doom once, per 2 seconds sound of under-voltage chimes of doom once, per 3 seconds sound of electricity consumption Warning alarm sound is once.
Compared with prior art, the present invention has following beneficial effect:
The monitoring of a kind of automotive battery voltage provided by the invention and warning, collect newspapers alert diagnosis, LED indicating fault and warning are output in one; The output of alarm sound can be divided according to the seriousness of alarm condition, the chimes of doom pitch time that seriousness is high is short, the chimes of doom pitch time that seriousness is low is long, can be applicable to monitoring and the warning of the Battery voltage of fire extinguishing tanker, with the normal use of protection fire extinguishing tanker storage battery; And whole system has use, easy for installation, and is simple in structure, multiple functional, and cost is low, and the advantages such as long service life have practical value.
Description of drawings
Fig. 1 is the monitoring of a kind of automotive battery voltage provided by the invention and the structural representation of warning;
Fig. 2 is the flowchart of micro controller system among the present invention;
Fig. 3 is the interrupt routine flowchart of the timer in the micro controller system of the present invention;
Fig. 4 is that system of the present invention is used for the monitoring of fire extinguishing tanker Battery voltage and the principle schematic of reporting to the police.
The specific embodiment
Below in conjunction with accompanying drawing technical scheme of the present invention is described in further detail and completely.
As shown in Figure 1, the monitoring of a kind of automotive battery voltage provided by the invention and warning comprise mu balanced circuit 1, bleeder circuit 2, micro controller system 3, LED indication and buzz circuit 4, program download interface 5; Described mu balanced circuit 1 is connected with LED indication and buzz circuit 4 with micro controller system 3 respectively, described bleeder circuit 2 is connected with the input port 31 of micro controller system 3, described LED indication and buzz circuit 4 are connected with the output port 35 of micro controller system 3, and described program download interface 5 is connected with micro controller system 3.
Described micro controller system 3 comprises input port 31, AD modular converter 32, central process unit (CPU) 33, timer 34 and output port 35, described central process unit 33 is processed kernel calls and control single chip computer internal hardware resources as micro controller system: input port 31, AD modular converter 32,, timer 34, output port 35, with data acquisition, AD conversion, data conversion storage, delay judgement, logic control and display alarm fuction output.
Connect Programmer 51 by program download interface 5, can realize online updating micro controller system internal program, carry out the program updates operation and need not to pull down micro controller system.
High pressure, low quiescent current linear voltage regulator that described mu balanced circuit 1 can adopt Maxim company to produce; this voltage stabilizer can accept+and 6.5V is to+65V input voltage; outgoing current up to 150mA is provided; unloaded quiescent current only is 60uA; can bear-input of the back-pressure of 60V; have short-circuit protection and hot turn-off function, can be operated in-40 ℃ to+125 ℃ of automotive grade range of temperaturess.
Described bleeder circuit 2 can adopt resistor voltage divider circuit, and input electrical signal is done voltage division processing, makes the electric signal voltage of micro controller system input port collection in allowed band.
Described micro controller system 3 can adopt the High Performance of atmel corp's production, 8 AVR single chip computer AT mega8L of low-power consumption.It adopts advanced risc architecture, has electrification reset and programmable detection of power loss function; RC oscillator and the I2C interface of band through demarcating in the micro controller system, operating voltage is 2.7～5.5V; Speed class is 0～8MHz; The In-System Programmable Flash of 8K byte; Can realize in-system programming by Boot program on the sheet, can be operated in-40 ℃ to+85 ℃ of industrial grade range of temperaturess.
Described LED indication and buzz circuit 4 can adopt FZT851 to consist of the NPN output driving circuit and drive buzzer phone, and FZT851 has high withstand voltage, and the characteristics of large electric current can be operated in-55 ℃ to+150 ℃ of scopes.
As shown in Figures 2 and 3, system of the present invention realizes the method for automotive battery voltage monitoring and warning, comprises the steps:
1. after system powered on, system at first carried out initialization operation to micro controller system, the zero clearing time block;
2. time block decision systems circulating sampling speed, and finish voltage data and preserve;
3. micro controller system is finished AD conversion and the logical process of data:
A) when engine operation, the generating signal is arranged, if detect voltage＜27V, then export charge fault and report to the police, light corresponding warning LED light;
B) when driving engine is not worked, acomia electric signal if detect voltage in [19.2V, 24V] interval, and detects voltage drop Δ V, then exports the electricity consumption Warning alarm, lights corresponding warning LED light;
C) when driving engine is not worked, acomia electric signal if detect voltage＜19.2V, and continues 2 minutes, then exports the storage battery under-voltage and reports to the police, and lights corresponding warning LED light;
4. have three kinds of type of alarms, three kinds of corresponding three kinds of different chimes of dooms outputs of reporting to the police, per 1 second sound of charge fault chimes of doom once, per 2 seconds sound of under-voltage chimes of doom once, per 3 seconds sound of electricity consumption Warning alarm sound is once.
Fig. 4 is the principle schematic that system of the present invention is used for the monitoring of fire extinguishing tanker Battery voltage; by described system, when et out of order, can in time pass through the faulty condition trouble-shooting that shows; thereby guarantee the correct use of storage battery, have vital function to protecting storage battery and prolonging its service life.
In sum as seen: the monitoring of automotive battery voltage provided by the invention and warning, collect newspapers alert diagnosis, LED indicating fault and warning are output in one; The output of alarm sound can be divided according to the seriousness of alarm condition, the chimes of doom pitch time that seriousness is high is short, the chimes of doom pitch time that seriousness is low is long, can be applicable to monitoring and the warning of the Battery voltage of fire extinguishing tanker, with the normal use of protection fire extinguishing tanker storage battery; And whole system has use, easy for installation, and is simple in structure, multiple functional, and cost is low, and the advantages such as long service life have practical value.
Be necessary at last in this explanation to be: above embodiment only is used for technical scheme of the present invention is described in more detail; can not be interpreted as limiting the scope of the invention, some nonessential improvement that those skilled in the art's foregoing according to the present invention is made and adjustment all belong to protection scope of the present invention.
Claims (6)
1. the monitoring of an automotive battery voltage and warning is characterized in that: comprise micro controller system, be used to indicate the LED indication of the different alarm conditions of storage battery and sound caution and buzzer alarm circuit, for micro controller system and LED shows and the audible alarm module provides mu balanced circuit, bleeder circuit and the program download interface of constant voltage power suspply; Described mu balanced circuit is connected with micro controller system with LED indication and buzzer alarm circuit respectively, described LED indication and buzzer alarm circuit are connected with the output port of micro controller system, described bleeder circuit is connected with the input port of micro controller system, and described program download interface is connected with micro controller system.
2. the monitoring of automotive battery voltage as claimed in claim 1 and warning, it is characterized in that: described micro controller system comprise for gather the data acquisition module of analog input with switch input signal, finish analog data the AD modular converter, be used for logical process the cpu data processing module, be used for that control LED not under command light shows and the alarm output module of chimes of doom output, and the time block that is used for data sampling, data conversion storage, delay judgement, chimes of doom kind control timing.
3. the monitoring of automotive battery voltage as claimed in claim 1 and warning is characterized in that: described mu balanced circuit is for micro controller system and LED shows and the audible alarm module provides the 5V constant voltage power suspply.
4. the monitoring of automotive battery voltage as claimed in claim 1 and warning is characterized in that: described bleeder circuit is connected with battery tension signal and electrical generator generating signal.
5. the monitoring of automotive battery voltage as claimed in claim 1 and warning, it is characterized in that: described program download interface is connected with Programmer.
6. the implementation method of the monitoring of an automotive battery voltage claimed in claim 1 and warning is characterized in that, comprises the steps:
1. after system powered on, system at first carried out initialization operation to micro controller system, the zero clearing time block;
2. time block decision systems circulating sampling speed, and finish voltage data and preserve;
3. micro controller system is finished AD conversion and the logical process of data:
A) when engine operation, the generating signal is arranged, if detect voltage＜27V, then export charge fault and report to the police, light corresponding warning LED light;
B) when driving engine is not worked, acomia electric signal if detect voltage in [19.2V, 24V] interval, and detects voltage drop Δ V, then exports the electricity consumption Warning alarm, lights corresponding warning LED light;
C) when driving engine is not worked, acomia electric signal if detect voltage＜19.2V, and continues 2 minutes, then exports the storage battery under-voltage and reports to the police, and lights corresponding warning LED light;
4. have three kinds of type of alarms, three kinds of corresponding three kinds of different chimes of dooms outputs of reporting to the police, per 1 second sound of charge fault chimes of doom once, per 2 seconds sound of under-voltage chimes of doom once, per 3 seconds sound of electricity consumption Warning alarm sound is once.
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107576921A (en) * | 2017-08-09 | 2018-01-12 | 成都路行通信息技术有限公司 | A kind of method and system of vehicle intelligent terminal power supply monitoring |
| CN113049660A (en) * | 2021-03-10 | 2021-06-29 | 哈尔滨工程大学 | Intelligent response device and method for monitoring reaction endpoint in liquid electrolyte |
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| CN203381550U (en) * | 2013-07-25 | 2014-01-08 | 上海格拉曼国际消防装备有限公司 | Monitoring and alarming system for automobile storage battery voltage |
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| CN1192072A (en) * | 1996-09-11 | 1998-09-02 | 郑炳天 | System for preventing vehicle battery from being excessively discharged |
| JP2009057015A (en) * | 2007-09-03 | 2009-03-19 | Auto Network Gijutsu Kenkyusho:Kk | Vehicular power source device |
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| CN107576921A (en) * | 2017-08-09 | 2018-01-12 | 成都路行通信息技术有限公司 | A kind of method and system of vehicle intelligent terminal power supply monitoring |
| CN113049660A (en) * | 2021-03-10 | 2021-06-29 | 哈尔滨工程大学 | Intelligent response device and method for monitoring reaction endpoint in liquid electrolyte |
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| CN103358991B (en) | 2015-04-22 |
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