CN104936097A - Control system of vehicle-mounted sound device - Google Patents
Control system of vehicle-mounted sound device Download PDFInfo
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- CN104936097A CN104936097A CN201510296275.9A CN201510296275A CN104936097A CN 104936097 A CN104936097 A CN 104936097A CN 201510296275 A CN201510296275 A CN 201510296275A CN 104936097 A CN104936097 A CN 104936097A
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- microprocessor
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Abstract
The invention discloses a control system of a vehicle-mounted sound device. The control system is characterized by comprising a detection part, a voltage transient maintaining part, a microprocessor and a storage part, wherein the detection part comprises a voltage comparison circuit for detecting the power supply state of the vehicle-mounted sound device and transmitting signals to the voltage transient maintaining part; the voltage transient maintaining part is connected with the detection part, receives and identifies the signals transmitted by the detection part and supplies power to the detection part, the storage part and the microprocessor in case of a power supply abnormity of the vehicle-mounted sound device; the microprocessor is connected with the detection part, parses the signals transmitted by the detection part and transmits a parsing result to the storage part; and the storage part is connected with the microprocessor and finishes information storage under the effect of the microprocessor. The control system provided by the invention effectively solves the problem of data loss in case of the power supply abnormity of the vehicle-mounted sound device.
Description
Technical field
The present invention relates to on-vehicle acoustic apparatus technical field, particularly relate to a kind of control system of on-vehicle acoustic apparatus.
Background technology
Existing vehicle-mounted audio host often connects battery line, realizes the memory of user operation, setting or equipment runtime data information.The vehicle audio often connecting battery line still can consuming cells electricity under the state killed engine, and affects battery life, thus adds the potential safety hazard of battery and Integral automobile power supply.In addition, the vehicle audio often connecting battery line does not remember and leans on, and all can cause the permanent loss of data memory, bring certain puzzlement to car owner under engine opens moment, power supply generation saltus step or disappearance.
Summary of the invention
In order to solve the problems of the prior art, the object of this invention is to provide a kind of control system of on-vehicle acoustic apparatus, realizing vehicle audio without the need to often connecting the effect of battery line, reducing power consumption; Control system of the present invention adopts voltage transient maintaining member to provide transient state power supply, solves the data loss problem that on-vehicle acoustic apparatus exists when abnormal electrical power supply.
To achieve these goals, the technical solution used in the present invention: a kind of control system of on-vehicle acoustic apparatus, it is characterized in that, comprise detection part, voltage transient maintaining member, microprocessor and memory unit, described detection part comprises voltage signal Comparison Circuit, described detection part for detecting the power supply state of on-vehicle acoustic apparatus, and by signal transmission to voltage transient maintaining member; Described voltage transient maintaining member is connected with detection part, receives and the signal of recognition detection parts transmission, and provides detection part, memory unit and the microprocessor power supply required when abnormal electrical power supply; Described microprocessor is connected with detection part, for the transmission of resolved detection parts signal and analysis result is passed to memory unit; Described memory unit is connected with microprocessor, completes information store by microprocessor effect.
Control system of the present invention adopts detection part to detect the power supply state of on-vehicle acoustic apparatus, when there is Interference from current or power-off, detection part carries out voltage ratio pair, and by signal transmission to voltage transient maintaining member, starting resistor transient state maintaining member works, voltage transient maintaining member is detection part, and microprocessor and memory unit provide power supply.Detection part is by abnormal electrical power supply signal transmission to microprocessor, and microprocessor carries out signal transacting, and control store parts complete storage work.The control system of on-vehicle acoustic apparatus of the present invention realizes on-vehicle acoustic apparatus without the need to often connecting the effect of power line, reduces electric energy loss, extends battery life, decrease the potential safety hazard of battery and Integral automobile power supply simultaneously; The control system of on-vehicle acoustic apparatus of the present invention avoids the data loss problem under engine start moment, power supply saltus step or deletion condition, uses convenient.
Preferably, described detection part comprises AD equipment.
Preferably, described voltage transient maintaining member comprises unidirectional voltage isolator and energy storage, and described unidirectional voltage isolator is diode, and described energy storage is electric capacity.Diode realizes the function of electric energy forward conduction reverse blocking, and electric capacity plays the effect of accumulation of energy, when extraneous abnormity of power supply, diode stops electric energy oppositely to run off, electric capacity moment, microprocessor and memory unit provided electric energy to detection part, completed the data storage problem of abnormal moment.
Preferably, described microprocessor comprises 8 MCU single-chip microcomputers, 16 MCU single-chip microcomputers and 32 arm processors.
Compared with prior art, the beneficial effect that the present invention realizes: control system of the present invention realizes on-vehicle acoustic apparatus effect low in energy consumption, solve data storage problem during abnormal electrical power supply simultaneously, realize the permanent memory of abnormal electrical power supply moment, effectively prevent loss of data.
Accompanying drawing explanation
The present invention is further described below in conjunction with the drawings and specific embodiments:
Fig. 1 is the structural representation of the control system of on-vehicle acoustic apparatus of the present invention.
Embodiment
With reference to the accompanying drawings the present invention is described more fully.
As shown in Figure 1, a kind of control system of on-vehicle acoustic apparatus, comprise detection part 1, voltage transient maintaining member 2, microprocessor 3 and memory unit 4, described detection part 1 comprises voltage signal Comparison Circuit, described detection part 1 for detecting the power supply state of on-vehicle acoustic apparatus, and by signal transmission to voltage transient maintaining member 2; Described voltage transient maintaining member 2 is connected with detection part 1, receives and the signal of recognition detection parts 1 transmission, and provides detection part 1, memory unit 4 and microprocessor 3 power supply required when abnormal electrical power supply; Described microprocessor 3 is connected with detection part 1, and analysis result is also passed to memory unit 4 by the signal transmitted for resolved detection parts 1; Described memory unit 4 is connected with microprocessor 3, has acted on information store by microprocessor 3.
Wherein, described detection part 1 comprises AD equipment.
Wherein, described voltage transient maintaining member 2 comprises unidirectional voltage isolator and energy storage, and described unidirectional voltage isolator is diode, and described energy storage is electric capacity.
Wherein, described microprocessor 3 comprises 8 MCU single-chip microcomputers, 16 MCU single-chip microcomputers and 32 arm processors.
In on-vehicle acoustic apparatus use procedure, the power supply state of detection part 1 Real-Time Monitoring on-vehicle acoustic apparatus, detection part 1 comprises voltage Comparison Circuit, the voltage data of monitoring and set point are compared, when lower than set point, detection part 1 is by signal transmission to voltage transient maintaining member 2, and driving voltage transient state maintaining member 2 works, voltage transient maintaining member 2 provides detection part 1, microprocessor 3 and the power supply needed for memory unit 4; Detection part 1 by abnormal electrical power supply signal transmission to microprocessor 3, microprocessor 3 receives and analytic signal, analysis result is passed to memory unit 4, drives memory unit 4 to complete storage work, efficiently avoid abnormal electrical power supply moment, the data loss problem of existence.
Control system of the present invention realizes on-vehicle acoustic apparatus effect low in energy consumption, solves data storage problem during abnormal electrical power supply simultaneously, realizes the permanent memory of abnormal electrical power supply moment, effectively prevent loss of data.
Above-mentioned embodiment is exemplary, is to enable those skilled in the art understand this patent better, can not be interpreted as it is restriction this patent being comprised to scope; As long as according to this patent disclose any equivalent change done or the modification of spirit, all fall into the scope that this patent comprises.
Claims (4)
1. a control system for on-vehicle acoustic apparatus, is characterized in that, comprises detection part (1), voltage transient maintaining member (2), microprocessor (3) and memory unit (4),
Described detection part (1) comprises voltage Comparison Circuit, for detecting the power supply state of on-vehicle acoustic apparatus, and by signal transmission to voltage transient maintaining member (2);
Described voltage transient maintaining member (2) is connected with detection part (1), the signal that reception and recognition detection parts (1) transmit, and provide detection part (1), memory unit (4) and microprocessor (3) power supply required when on-vehicle acoustic apparatus abnormal electrical power supply;
Described microprocessor (3) is connected with detection part (1), and analysis result is also passed to memory unit (4) by the signal that resolved detection parts (1) transmit;
Described memory unit (4) is connected with microprocessor (3), has acted on information store by microprocessor (3).
2. control system as claimed in claim 1, it is characterized in that, described detection part (1) comprises AD equipment.
3. control system as claimed in claim 1, it is characterized in that, described voltage transient maintaining member (2) comprises unidirectional voltage isolator and energy storage, and described unidirectional voltage isolator is diode, and described energy storage is electric capacity.
4. control system as claimed in claim 1, it is characterized in that, described microprocessor (3) comprises 8 MCU single-chip microcomputers, 16 MCU single-chip microcomputers and 32 arm processors.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510296275.9A CN104936097A (en) | 2015-06-03 | 2015-06-03 | Control system of vehicle-mounted sound device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510296275.9A CN104936097A (en) | 2015-06-03 | 2015-06-03 | Control system of vehicle-mounted sound device |
Publications (1)
| Publication Number | Publication Date |
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| CN104936097A true CN104936097A (en) | 2015-09-23 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
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| CN201510296275.9A Pending CN104936097A (en) | 2015-06-03 | 2015-06-03 | Control system of vehicle-mounted sound device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110780208A (en) * | 2018-07-25 | 2020-02-11 | 李尔公司 | Apparatus and method for monitoring battery and storing data based on battery status |
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| JP2007112211A (en) * | 2005-10-18 | 2007-05-10 | Tokai Rika Co Ltd | Audio controller |
| CN101442213A (en) * | 2008-12-22 | 2009-05-27 | 奇瑞汽车股份有限公司 | Apparatus for controlling automobile quiescent current |
| CN102323762A (en) * | 2011-08-17 | 2012-01-18 | 惠州市德赛西威汽车电子有限公司 | Control circuit of vehicle-mounted audio system and control method |
| CN103137166A (en) * | 2013-01-04 | 2013-06-05 | 上海徽俊电子技术有限公司 | Car audio instant passive break-point memory device |
| CN104512266A (en) * | 2013-09-29 | 2015-04-15 | 上海汽车集团股份有限公司 | Power supply management method in automobile starting process, and automobile power supply system |
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2015
- 2015-06-03 CN CN201510296275.9A patent/CN104936097A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007112211A (en) * | 2005-10-18 | 2007-05-10 | Tokai Rika Co Ltd | Audio controller |
| CN101442213A (en) * | 2008-12-22 | 2009-05-27 | 奇瑞汽车股份有限公司 | Apparatus for controlling automobile quiescent current |
| CN102323762A (en) * | 2011-08-17 | 2012-01-18 | 惠州市德赛西威汽车电子有限公司 | Control circuit of vehicle-mounted audio system and control method |
| CN103137166A (en) * | 2013-01-04 | 2013-06-05 | 上海徽俊电子技术有限公司 | Car audio instant passive break-point memory device |
| CN104512266A (en) * | 2013-09-29 | 2015-04-15 | 上海汽车集团股份有限公司 | Power supply management method in automobile starting process, and automobile power supply system |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110780208A (en) * | 2018-07-25 | 2020-02-11 | 李尔公司 | Apparatus and method for monitoring battery and storing data based on battery status |
| CN110780208B (en) * | 2018-07-25 | 2022-04-26 | 李尔公司 | Apparatus and method for monitoring battery and storing data based on battery status |
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Application publication date: 20150923 |
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| RJ01 | Rejection of invention patent application after publication |