CN204241903U - A kind of on-vehicle player low-power consumption standby circuit - Google Patents
A kind of on-vehicle player low-power consumption standby circuit Download PDFInfo
- Publication number
- CN204241903U CN204241903U CN201420727750.4U CN201420727750U CN204241903U CN 204241903 U CN204241903 U CN 204241903U CN 201420727750 U CN201420727750 U CN 201420727750U CN 204241903 U CN204241903 U CN 204241903U
- Authority
- CN
- China
- Prior art keywords
- player
- circuit
- standby
- power consumption
- vehicle
- Prior art date
- 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 - Fee Related
Links
Abstract
The utility model relates to vehicle electronic circuit, specifically a kind of on-vehicle player low-power consumption standby circuit, comprises player standby power module, player MCU, keyswitch, electronic switch, player normally work supply module and player operating circuit; Described player standby power module and the input end of electronic switch are all electrically connected automobile storage battery power supply, wherein the output terminal electrical connection player of electronic switch normally works the input end of supply module, and normally the work output terminal of supply module of output terminal and the player of player standby power module is electrically connected; Normally the work output terminal of supply module of described player also connects player operating circuit; Described keyswitch is also electrically connected with player MCU; Described player MCU is also electrically connected electronic switch and player operating circuit respectively.The circuit realiration of the present utility model low-power consumption standby of on-vehicle player, this circuit is equally applicable to other mobile unit.
Description
Technical field
The utility model relates to a kind of vehicle electronic circuit, specifically a kind of on-vehicle player low-power consumption standby circuit.
Background technology
In recent years, along with the improving constantly of intellectuality and vehicle safety performance etc. of automobile, the incidental electronic equipment of automobile also gets more and more, and these electronic equipments are usually referred to as mobile unit.
At present, in these mobile unit processes of design, have and much should be noted that and the technical matters solved, wherein ensure that low-power consumption when mobile unit is standby is exactly one of technical matters that must take seriously.Under normal circumstances, the power supply of most of mobile unit and the battery feed of automobile are directly connected, and when closing the power supply of this kind of mobile unit, mobile unit is in holding state, but this kind equipment still has certain power consumption.Known, the stand-by power consumption of mobile unit is larger, the electric energy consuming automobile storage battery power supply is larger, especially when motor car engine is in off position for a long time, if the stand-by power consumption of mobile unit is excessive, the electric energy of automobile storage battery power supply will be consumed in a large number, cause battery feed voltage drop too much.When automobile storage battery supply voltage drops to certain numerical value, just cannot start motor car engine, this will bring very large trouble.Therefore, mobile unit is when holding state, and the energy consumed is the smaller the better.And on-vehicle player is as the one of mobile unit, when using as the electronic equipment on automobile, will ensure the low-power consumption standby of on-vehicle player equally, the standby current of General Requirements on-vehicle player is less than 5 milliamperes.
Summary of the invention
The purpose of this utility model is to provide a kind of on-vehicle player low-power consumption standby circuit, and this circuit application, in existing on-vehicle player, can solve the problem in background technology, can ensure the low-power consumption of on-vehicle player when standby.
In order to solve the problems of the technologies described above, the technical scheme that the utility model adopts is: a kind of on-vehicle player low-power consumption standby circuit, this circuit is connected with automobile storage battery power electric, it is characterized in that, this circuit comprises player standby power module, player MCU, keyswitch, electronic switch, player normally work supply module and player operating circuit; Described player standby power module and the input end of electronic switch are all electrically connected automobile storage battery power supply, wherein the output terminal electrical connection player of electronic switch normally works the input end of supply module, normally the work output terminal of supply module of output terminal and the player of player standby power module is electrically connected, and player standby power module and player normally work, the output terminal of supply module is all connected the input end of player MCU; Normally the work output terminal of supply module of described player also connects player operating circuit; Described keyswitch is also electrically connected with player MCU; Described player MCU is also electrically connected electronic switch and player operating circuit respectively.
Preferred: described player standby power module is made up of a voltage stabilizing diode, resistance, 3.3V mu balanced circuit and a Diode series.
Preferred: the described player supply module that normally works is made up of 5V mu balanced circuit and the parallel connection of 8V mu balanced circuit, wherein 5V mu balanced circuit is also connected a diode.
Preferred: described player MCU adopts the ATMEGA32 of atmel corp.
Preferred: described electronic switch adopts the composite electron switch of model 2SB1184 and SS8050 composition.
Preferred: described keyswitch adopts YBF-1101ES model.
The beneficial effects of the utility model are: the power supply of this on-vehicle player is divided into two kinds, and a kind of is the normal work power supply being subject to electronics switch control rule, and another kind is not by the standby power power supply of electronics switch control rule.Although standby power power supply is not in by electronics switch control rule the state that often connects, it powers only to player MCU, and therefore its working current is very little, thus achieves the low-power consumption standby of on-vehicle player.
Accompanying drawing explanation
Fig. 1, composition frame chart of the present utility model.
Embodiment
Below in conjunction with accompanying drawing and preferred scheme, embodiment of the present utility model is further described.
As shown in Figure 1, be composition frame chart of the present utility model, specifically a kind of composition frame chart of on-vehicle player low-power consumption standby circuit, this circuit is electrically connected with automobile storage battery power supply 10.This on-vehicle player low-power consumption standby circuit comprises player standby power module 1, player MCU 2, keyswitch 3, electronic switch 4, player normally work supply module 5 and player operating circuit 6; Described automobile storage battery power supply 10 is electrically connected the input end of player standby power module 1 and electronic switch 4 respectively.The output terminal electrical connection player of described electronic switch 4 normally works the input end of supply module 5, normally the work output terminal of supply module 5 of output terminal and the player of player standby power module 1 is electrically connected, and player standby power module 1 and player normally work, the output terminal of supply module 5 is all connected the input end of player MCU 2; Normally the work output terminal of supply module 5 of described player also connects player operating circuit; Described keyswitch 3 is also electrically connected with player MCU 2; Described player MCU 2 is also electrically connected electronic switch 4 and player operating circuit 6 respectively.
Embodiment: the player standby power module 1 in the present embodiment is made up of a voltage stabilizing diode, resistance, 3.3V mu balanced circuit and a Diode series; The described player supply module 5 that normally works is made up of 5V mu balanced circuit and the parallel connection of 8V mu balanced circuit, wherein a 5V mu balanced circuit diode of connecting is connected with the diode in player standby power module 1, being all electrically connected with player operating circuit 6 of 5V mu balanced circuit and 8V mu balanced circuit.
The course of work: first click keyswitch 3, open the power supply of on-vehicle player, player MCU 2 sends control signal, electronic switch 4 is made to be in closure state, now 5V mu balanced circuit, 8V mu balanced circuit provide 5V and 8V power supply to supply player MCU 2 and player operating circuit respectively, and on-vehicle player normally works; Diode in player standby power module 1 plays the effect of insulating power supply, and the 5V power supply preventing 5V mu balanced circuit from providing acts on 3.3V mu balanced circuit and produces destruction to 3.3V mu balanced circuit.The 5V power supply provided due to 5V mu balanced circuit is greater than the 3.3V power supply that 3.3V mu balanced circuit provides, and therefore, when on-vehicle player normally works, 3.3V mu balanced circuit does not provide power supply to player MCU 2.
Click keyswitch 3 again, close on-vehicle player power supply, on-vehicle player is in holding state, and player MCU 2 sends control signal, makes electronic switch 4 be in off-state.Now 5V mu balanced circuit, 8V mu balanced circuit and player operating circuit are all without power supply, and also just without any power consumption, and now player standby power module 1 provides power supply for player MCU 2, produces power consumption.In the current supply circuit of this module, 3.3V mu balanced circuit selects the 3.3V mu balanced circuit of Micro Energy Lose, its static no-load current is at microampere order, the working power scope of player MCU 2 is 2.5V to 5.5V, more low-power consumption is less for player MCU 2 supply voltage, and now player MCU 2 is set to Micro Energy Lose state, working current is less than 3 milliamperes.Voltage stabilizing diode in player standby power module 1 can play hypotensive effect; its step-down value equals its voltage stabilizing value; resistance can play metering function; voltage stabilizing diode and resistance reduce further the power consumption of player standby power module 1 current supply circuit on the one hand, play again the effect of protection 3.3V mu balanced circuit on the other hand.Play buffer action equally with the diode that 5V mu balanced circuit is connected, the power supply preventing 3.3V mu balanced circuit from providing is powered to other circuit beyond player MCU 2, thus produces unnecessary power consumption; Total current now in supply access, at about 4 milliamperes, meets the requirement that on-vehicle player standby current is less than 5 milliamperes, makes on-vehicle player be in low-power consumption standby state.
Low-power consumption standby circuit of the present utility model is equally applicable to other mobile unit.
The power supply of on-vehicle player of the present utility model is divided into two kinds, and a kind of is the normal work power supply being subject to electronics switch control rule, and another kind is not by the standby power power supply of electronics switch control rule.Although standby power power supply is not in by electronics switch control rule the state that often connects, it powers only to player MCU, and therefore its working current is very little, thus achieves the low-power consumption standby of on-vehicle player.
Claims (6)
1. an on-vehicle player low-power consumption standby circuit, this circuit is electrically connected with automobile storage battery power supply (10), it is characterized in that: this circuit comprises player standby power module (1), player MCU(2), keyswitch (3), electronic switch (4), player normally work supply module (5) and player operating circuit (6); Described player standby power module (1) and the input end of electronic switch (4) are all electrically connected automobile storage battery power supply (10), wherein the output terminal electrical connection player of electronic switch (4) normally works the input end of supply module (5), normally the work output terminal of supply module (5) of output terminal and the player of player standby power module (1) is electrically connected, and player standby power module and player normally work, the output terminal of supply module is all connected player MCU(2) input end; Normally the work output terminal of supply module (5) of described player also connects player operating circuit (6); Described keyswitch (3) also with player MCU(2) be electrically connected; Described player MCU(2) be also electrically connected electronic switch (4) and player operating circuit (6) respectively.
2. on-vehicle player low-power consumption standby circuit according to claim 1, is characterized in that: described player standby power module (1) is made up of a voltage stabilizing diode, resistance, 3.3V mu balanced circuit and a Diode series.
3. on-vehicle player low-power consumption standby circuit according to claim 1, is characterized in that: the described player supply module (5) that normally works is made up of 5V mu balanced circuit and the parallel connection of 8V mu balanced circuit, and wherein 5V mu balanced circuit is also connected a diode.
4. on-vehicle player low-power consumption standby circuit according to claim 1, is characterized in that: described player MCU(2) adopt the ATMEGA32 of atmel corp.
5. on-vehicle player low-power consumption standby circuit according to claim 1, is characterized in that: described electronic switch (4) adopts the composite electron switch of model 2SB1184 and SS8050 composition.
6. on-vehicle player low-power consumption standby circuit according to claim 1, is characterized in that: described keyswitch (3) adopts YBF-1101ES model.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420727750.4U CN204241903U (en) | 2014-11-28 | 2014-11-28 | A kind of on-vehicle player low-power consumption standby circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420727750.4U CN204241903U (en) | 2014-11-28 | 2014-11-28 | A kind of on-vehicle player low-power consumption standby circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204241903U true CN204241903U (en) | 2015-04-01 |
Family
ID=52771372
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420727750.4U Expired - Fee Related CN204241903U (en) | 2014-11-28 | 2014-11-28 | A kind of on-vehicle player low-power consumption standby circuit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204241903U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104375447A (en) * | 2014-11-28 | 2015-02-25 | 无锡市电子仪表工业有限公司 | Low-power-consumption standby circuit of vehicle-mounted player |
-
2014
- 2014-11-28 CN CN201420727750.4U patent/CN204241903U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104375447A (en) * | 2014-11-28 | 2015-02-25 | 无锡市电子仪表工业有限公司 | Low-power-consumption standby circuit of vehicle-mounted player |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN205355935U (en) | Dual supply automatic switchover power supply and prevent circuit that power joins conversely | |
| CN103412509B (en) | Low-power consumption Self-disconnecting circuit and level shifting circuit thereof | |
| CN107834826A (en) | Energy supply control module | |
| CN104062928A (en) | Power supply circuit of electric vehicle controller | |
| CN105226808A (en) | Airborne electronic product intelligent emergent is powered secondary power supply | |
| CN102684271A (en) | Electronic device, power supply control chip and power supply control method | |
| CN109861521A (en) | Vehicle-mounted low pressure auxiliary power circuit | |
| CN204241903U (en) | A kind of on-vehicle player low-power consumption standby circuit | |
| CN109256752B (en) | Battery protection circuit and power supply system | |
| CN105262183A (en) | Power-saving type USB charging structure | |
| CN201789331U (en) | Aircraft engine power system | |
| CN104375447A (en) | Low-power-consumption standby circuit of vehicle-mounted player | |
| CN107733413B (en) | Intelligent switch circuit and intelligent terminal of pre-installation battery system | |
| CN104035344A (en) | Power saving device | |
| CN107465257B (en) | Automatic switching circuit for main power supply and standby power supply | |
| CN203491731U (en) | Charging control circuit and electronic equipment | |
| CN202798456U (en) | Circuit capable of improving battery actual available capacity | |
| CN204633449U (en) | A kind of electric power management circuit of commercial car diagnosing protocol adapter | |
| CN103107577A (en) | Battery management circuit and terminal | |
| CN204441953U (en) | The car emergency providing multiple voltage to export starts power supply | |
| CN203967797U (en) | Electric automobile battery charger output protection circuit | |
| CN201690358U (en) | Circuit structure for ensuring normal work state switching of submodules in multi-module system | |
| CN103138723B (en) | The circuit of a kind of pair of level triggers reset and method | |
| CN206948184U (en) | A kind of booster circuit for cell switch control circuit | |
| CN203186118U (en) | Automatic power-off controller |
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: 20150401 Termination date: 20181128 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |