CN104071101B - Mobile unit igniting exempts to power off stable-pressure device - Google Patents
Mobile unit igniting exempts to power off stable-pressure device Download PDFInfo
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- CN104071101B CN104071101B CN201310100858.0A CN201310100858A CN104071101B CN 104071101 B CN104071101 B CN 104071101B CN 201310100858 A CN201310100858 A CN 201310100858A CN 104071101 B CN104071101 B CN 104071101B
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Abstract
Exempt to power off stable-pressure device the invention provides a kind of mobile unit, it includes charge-discharge circuit, and the circuit includes diode (D1), diode (D2) and electric capacity (c15), electric capacity (c16)；And mobile unit interface (CON1) mainly includes ground pin (1), ACC pins (2), key switch pin (3), mobile unit power pin (4) and pin (5), the mobile unit power pin (4) and pin (5) connection are followed by first pin (101) and the second pin (102) of relay (J1), it is then hanging, 3rd pin (105) and diode (D2) ground connection of the relay (J1), when key switch pin (3) is respectively connected to diode (D1) and the 4th pin (104) of the relay (J1), then connected with several super capacitors, charge-discharge circuit is electrically connected to after several super capacitors after the series connection are in parallel with filtering voltage regulation condenser network.The present invention effectively improves the stability of mobile unit and reduces low-and high-frequency interference.
Description
Technical field
The present invention relates to mobile unit technology, more particularly to a kind of voltage stabilizing dress for exempting from power-off in ignition point mobile unit
Put.
Background technology
General mobile unit may lose the power supply of vehicle power in vehicle ignition moment, and this may cause it
The preceding navigator for having planned path needs to restart, or needs to reload in the excellent film seen, in the beautiful song listened
Mute can be become moment, the smart mobile phone for charging can be forced to heat insertion once.
The content of the invention
In view of the above problems, it is used to improve mobile unit stability to reduce low-and high-frequency to disturb the invention provides one kind
Mobile unit is made to exempt from the stable-pressure device of power-off in ignition point.
In order to achieve the above object, present invention employs following technical scheme：A kind of mobile unit exempts from power-off voltage stabilizing dress
Putting mainly includes：
Charge-discharge circuit, mainly includes the first diode, the second diode and the first electric capacity, the second electric capacity；And
Mobile unit interface, the mobile unit interface mainly includes ground pin, ACC pins, key switch pin, vehicle-mounted
Device power supply (DPS) pin and the first pin, the mobile unit power pin and the connection of the second pin are followed by the first pin of relay
And second pin, the first pin in acquiescence inactive state is connected with the second pin, i.e., relay is in normally open, then vehicle-mounted
, simultaneously in vacantly, the 3rd pin of the relay and the second diode are grounded, when key is opened for device power supply (DPS) pin, the first pin
Close pin and be respectively connected to the first diode and the 4th pin of the relay, if then mobile unit power pin and the first pin with
The super capacitor of dry series connection is in parallel, electrically connects after several super capacitors after the series connection are in parallel with filtering voltage regulation condenser network
It is connected to charge-discharge circuit.
Preferably, exempt to power off stable-pressure device the invention provides a kind of mobile unit, wherein, the filtering voltage regulation electric capacity electricity
Road mainly includes the 3rd electric capacity in parallel, the 4th electric capacity, the 5th electric capacity, the 6th electric capacity, the 7th electric capacity, the 8th electric capacity, the 9th electricity
Appearance, the tenth electric capacity, the 11st electric capacity, the 12nd electric capacity.
Preferably, exempt to power off stable-pressure device the invention provides a kind of mobile unit, wherein, the 3rd electric capacity is
The electric capacity of 4700U, 25V, the 4th electric capacity is the electric capacity of 10U, 25V, and the 5th electric capacity is the electric capacity of 470U, 25V, and the 6th electric capacity is
The electric capacity of 1500U, 25V, the 7th electric capacity and the 9th electric capacity are the electric capacity of 0.01U, 25V, and the 8th electric capacity is the electric capacity of 2.2U, 25V,
Tenth electric capacity is the electric capacity of 150U, 25V, and the 11st electric capacity is the electric capacity of 47n, 25V, and the 12nd electric capacity is the electricity of 6.8PF, 25V
Hold.
Preferably, exempt to power off stable-pressure device the invention provides a kind of mobile unit, wherein, the charge-discharge circuit is main
Including be connected with key switch pin respectively the first diode, the second diode, relay and be connected with ACC pins respectively
The first electric capacity, the 16th electric capacity, first electric capacity and the second capacity earth, after car key is inserted, key switch pin is
12v, is charged by the first diode pair first electric capacity and the second electric capacity；When car key is rotated to ACC grades, then ACC is managed
Pin supplies power to mobile unit；When car key rotate to START grades igniting, then with ACC pins disconnect, first electric capacity and second electricity
Discharge capacitor, is that the continuous electricity of mobile unit avoids power-off restarting；When igniting is finished, car key is reset to ON grades, then ACC pins are supplied power to
Mobile unit；Work as switch-off, after extracting key, relay disconnect filtering voltage regulation condenser network and mobile unit power pin,
The connection of the first pin, ACC pins are maintained the positive voltage of 2 to 3 seconds, mobile unit pulling out by the first electric capacity and the electric discharge of the second electric capacity
Go out key automatic power-off shutdown after 2 to 3 seconds.
Compared to prior art, exempt to power off stable-pressure device the invention provides a kind of mobile unit, wherein, it is not necessary to light a fire
Starting engine can just operate vehicle mounted guidance, lighted a fire after path has been planned in destination road set, and effectively improve
The stability of mobile unit and reduction low-and high-frequency interference.
Brief description of the drawings
Fig. 1 is circuit diagram of the invention
Specific embodiment
Refer to shown in Fig. 1, be circuit diagram of the invention.Exempt from power-off voltage stabilizing dress the invention provides a kind of mobile unit
Put, wherein, it is not necessary to igniting starts engine can just operate vehicle mounted guidance, lighted a fire after path has been planned in destination be set
Can upper road, effectively improve the stability of mobile unit and reduce low-and high-frequency interference.
Wherein, the mobile unit exempts from power-off stable-pressure device mainly includes charge-discharge circuit, mainly includes diode D1, two
Pole pipe D2 and electric capacity c15, electric capacity c16；And mobile unit interface CON1, mobile unit interface CON1 mainly include ground connection
Pin 1, ACC pins 2, key switch pin 3, mobile unit power pin 4 and pin 5, the mobile unit power pin 4 and pipe
The connection of pin 5 is followed by first pin 101 and the second pin 102 of relay J1, then vacantly, the 3rd pin of relay J1
105 and diode D2 is grounded, when key switch pin 3 is respectively connected to the 4th pin 104 of diode D1 and relay J1, then
Connected with several super capacitors, be electrically connected with after several super capacitors after the series connection are in parallel with filtering voltage regulation condenser network
To charge-discharge circuit.
In the present embodiment, several super capacitors of the series connection are respectively electric capacity c1, c2, c3 of 5.4v, 1.5F.
Also, the filtering voltage regulation condenser network is used to be the continuous electricity of mobile unit to avoid power-off restarting, filtering voltage regulation electricity
Capacitive circuit mainly includes several electric capacity c4~c13 in parallel, wherein, the electric capacity c4 is the electric capacity of 4700U, 25V, electric capacity c5
It is the electric capacity of 10U, 25V, electric capacity c6 is the electric capacity of 470U, 25V, and electric capacity c7 is the electric capacity of 1500U, 25V, and electric capacity c8 and c10 are
The electric capacity of 0.01U, 25V, electric capacity c9 for 2.2U, 25V electric capacity, electric capacity c11 for 150U, 25V electric capacity, electric capacity c12 be 47n,
The electric capacity of 25V.
Additionally, the charge-discharge circuit mainly includes the diode D1, the diode that are connected with key switch pin 3 respectively
D2, relay J1 and the electric capacity c15 being connected with ACC pins 2 respectively, electric capacity c16, electric capacity c15 and electric capacity c16 are grounded.
The first pin 101 for there was only relay J1 in foregoing circuit can be movable, and remaining is fixed, the first pin
101 in acquiescence inactive state is connected with the second pin 102, i.e. relay J1 is in normally open, when the 4th of relay J1 the
When having 12V voltages between the pin 105 of pin 104 and the 3rd, first pin 101 of relay J1 can disconnect with the second pin 102
While be changed into being connected with the 5th pin 103, i.e. relay J1 be in attracting state.
And the condition for changing above-mentioned state be relay J1 the 4th pin 104, the 3rd pin 105 between have 12V voltages,
Key switch pin 3 has the 12V voltages from automobile in itself when this 12V voltage is then by insertion key.
After car key is inserted, key switch pin 3 is 12v, relay J1 adhesives, first pin 101 of relay J1
Connected with the 5th pin 103, several super capacitors c1, c2, c3 of series connection can be parallel to the vehicle-mounted of the B+/12V of mobile unit
Device power supply (DPS) pin 4 and pin 5, then several super capacitors c1, c2, c3 for connecting can be charged, by after charging
The charge storage ability of electric capacity maintains this to power, providing the 12v voltages needed for mobile unit.
It is that electric capacity C15, C16 are charged by diode D1 if the ACC pins 2 of mobile unit need to maintain of short duration 12V
Realize afterwards, the purpose that electric capacity C15, C16 charge is the of short duration maintenance 12V voltages of ACC pins in ignition point to mobile unit,
When car key is rotated to ACC grades, then ACC pins 2 supply power to mobile unit；When car key rotate to START grades igniting, then with
ACC pins 2 disconnect, and electric capacity c15 and electric capacity c16 discharges, and are that the continuous electricity of mobile unit avoids power-off restarting；When igniting is finished, car
Key is reset to ON grades, then ACC pins 2 supply power to mobile unit；Work as switch-off, after extracting key, relay J1 disconnects filter
Ripple electric capacity of voltage regulation circuit and mobile unit power pin 4, the connection of pin 5, ACC pins are by electric capacity c15 and electric capacity c16 electric discharge dimensions
Hold the positive voltage of 2 to 3 seconds, mobile unit automatic power-off shutdown after key 2 to 3 seconds is extracted.
Claims (5)
1. a kind of mobile unit exempts to power off stable-pressure device, it is characterised in that the device mainly includes：
Charge-discharge circuit, mainly includes the first diode (D1), the second diode (D2) and the first electric capacity (c15), the second electricity
Hold (c16)；And
Mobile unit interface (CON1), the mobile unit interface (CON1) mainly includes ground pin (1), ACC pins (2), key
Spoon switch pin (3), mobile unit power pin (4) and the first pin (5), the mobile unit power pin (4) and the first pipe
Pin (5) connection is followed by first pin (101) and the second pin (102) of relay (J1), and the first pin (101) is giving tacit consent to quiet
Only state is connected with the second pin (102), i.e., relay (J1) is in normally open, then mobile unit power pin (4), the
One pin (5) is while in hanging, the 3rd pin (105) and the second diode (D2) ground connection of the relay (J1), work as key
Switch pin (3) is respectively connected to the first diode (D1) and the 4th pin (104) of the relay (J1), then mobile unit power supply
The super capacitor that pin (4) and the first pin (5) are connected with several is in parallel, several super capacitors and filtering after the series connection
Charge-discharge circuit is electrically connected to after electric capacity of voltage regulation circuit in parallel.
2. mobile unit according to claim 1 exempts to power off stable-pressure device, it is characterised in that the filtering voltage regulation electric capacity electricity
Road mainly includes the 3rd electric capacity (c4), the 4th electric capacity (c5), the 5th electric capacity (c6), the 6th electric capacity (c7), the 7th electric capacity in parallel
(c8), the 8th electric capacity (c9), the 9th electric capacity (c10), the tenth electric capacity (c11), the 11st electric capacity (c12), the 12nd electric capacity
(c13)。
3. mobile unit according to claim 2 exempts to power off stable-pressure device, it is characterised in that the 3rd electric capacity (c4) be
The electric capacity of 4700U, 25V, the 4th electric capacity (c5) is the electric capacity of 10U, 25V, and the 5th electric capacity (c6) is the electric capacity of 470U, 25V, the 6th
Electric capacity (c7) is the electric capacity of 1500U, 25V, and the 7th electric capacity (c8) and the 9th electric capacity (c10) are the electric capacity of 0.01U, 25V, the 8th electricity
It is the electric capacity of 2.2U, 25V to hold (c9), and the tenth electric capacity (c11) is the electric capacity of 150U, 25V, and the 11st electric capacity (c12) is 47n, 25V
Electric capacity.
4. mobile unit according to claim 1 exempts to power off stable-pressure device, it is characterised in that the charge-discharge circuit is main
Including be connected with key switch pin (3) respectively the first diode (D1), the second diode (D2), relay (J1) and point
The first electric capacity (c15), the second electric capacity (c16) not being connected with ACC pins (2), first electric capacity (c15) and the second electric capacity
(c16) it is grounded, after car key is inserted, key switch pin (3) is 12v, by the first diode (D1) to first electric capacity
And the second electric capacity (c16) is charged (c15)；When car key is rotated to ACC grades, then ACC pins (2) supply power to mobile unit；
When car key is rotated to START grades of igniting, then disconnected with ACC pins (2), first electric capacity (c15) and the second electric capacity (c16) are put
Electricity, is that the continuous electricity of mobile unit avoids power-off restarting；When igniting is finished, car key is reset to ON grades, then ACC pins (2) are supplied power to
Mobile unit；Work as switch-off, after extracting key, relay (J1) disconnects filtering voltage regulation condenser network and mobile unit power supply pipe
The connection of pin (4), the first pin (5), ACC pins (2) maintain 2 to 3 by the first electric capacity (c15) and the second electric capacity (c16) electric discharge
Second positive voltage, mobile unit automatic power-off shutdown after key 2 to 3 seconds is extracted.
5. mobile unit according to claim 1 exempts to power off stable-pressure device, it is characterised in that several of the series connection surpass
Level electric capacity is respectively the 13rd electric capacity (c1), the 14th electric capacity (c2), the 15th electric capacity (c3) of 5.4v, 1.5F.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310100858.0A CN104071101B (en) | 2013-03-26 | 2013-03-26 | Mobile unit igniting exempts to power off stable-pressure device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310100858.0A CN104071101B (en) | 2013-03-26 | 2013-03-26 | Mobile unit igniting exempts to power off stable-pressure device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104071101A CN104071101A (en) | 2014-10-01 |
| CN104071101B true CN104071101B (en) | 2017-06-06 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310100858.0A Expired - Fee Related CN104071101B (en) | 2013-03-26 | 2013-03-26 | Mobile unit igniting exempts to power off stable-pressure device |
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106054705B (en) * | 2016-06-12 | 2018-10-09 | 江苏辰汉电子科技有限公司 | A kind of multi-functional vehicle-mounted console start-up circuit |
| CN107776515B (en) * | 2016-08-26 | 2020-07-31 | 厦门雅迅网络股份有限公司 | Battery protection circuit and method of self-adaptive vehicle-mounted terminal |
| CN108116347B (en) * | 2016-11-28 | 2020-07-31 | 厦门雅迅网络股份有限公司 | Low-voltage turn-off system and method for preventing ignition reset of vehicle-mounted terminal |
| CN110254379A (en) * | 2019-07-09 | 2019-09-20 | 四川朗勃科技有限公司 | Automobile multimedia device, which does not power off, does not restart circuit main board |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20040183374A1 (en) * | 2003-03-20 | 2004-09-23 | Krishnaswamy Ponmalai | Power supplies for electrical devices operating in vehicles |
| JP2007008409A (en) * | 2005-07-04 | 2007-01-18 | Auto Network Gijutsu Kenkyusho:Kk | Power source controller |
| JP2007191015A (en) * | 2006-01-18 | 2007-08-02 | Toyota Motor Corp | Power control device for vehicle |
| JP2007261532A (en) * | 2006-03-29 | 2007-10-11 | Clarion Co Ltd | On-vehicle power control device |
| DE102006036424A1 (en) * | 2006-08-04 | 2008-02-07 | Bayerische Motoren Werke Ag | System for supplying power to electrical consumers of a motor vehicle using a supercap |
| JP2010163038A (en) * | 2009-01-15 | 2010-07-29 | Pioneer Electronic Corp | On-vehicle electronic equipment, power supply control method, power supply control program, and record medium |
| CN102555950B (en) * | 2010-10-28 | 2015-04-01 | 株式会社电装 | Vehicle-mounted electronic control apparatus |
| CN202063095U (en) * | 2011-03-15 | 2011-12-07 | 深圳市车乐数码科技有限公司 | Automatic control device for vehicle-mounted computer |
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- 2013-03-26 CN CN201310100858.0A patent/CN104071101B/en not_active Expired - Fee Related
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Granted publication date: 20170606 Termination date: 20180326 |