CN203186118U - Automatic power-off controller - Google Patents
Automatic power-off controller Download PDFInfo
- Publication number
- CN203186118U CN203186118U CN2013201225484U CN201320122548U CN203186118U CN 203186118 U CN203186118 U CN 203186118U CN 2013201225484 U CN2013201225484 U CN 2013201225484U CN 201320122548 U CN201320122548 U CN 201320122548U CN 203186118 U CN203186118 U CN 203186118U
- Authority
- CN
- China
- Prior art keywords
- power
- microcontroller
- mos switch
- input interface
- pin
- 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
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/70—Energy storage systems for electromobility, e.g. batteries
Landscapes
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
The utility model discloses an automatic power-off controller which comprises a power source input connector and a power source output connector. The automatic power-off controller is characterized in that MOS switches are connected in series between the power source input connector and the power source output connector, the switch control end of each MOS switch is connected with an output base pin of a microcontroller, one input base pin of the microcontroller is connected to a diagnostic apparatus instruction input connector, and the microcontroller controls the on-off state of each MOS switch according to a system mode instruction input by the diagnostic apparatus instruction input connector. The automatic power-off controller has the advantages of being applicable to automobile power source intelligent management, achieves intelligent management of an automobile power source by means of real-time detection of the automobile system state and control of power-on and power-off of a power supply circuit, avoids the phenomenon that an automobile can not be started due to long-term over discharge, and improves the safety and the stability of a power supply system.
Description
Technical field
The utility model relates to a kind of electric power controller, specifically, is a kind of automatic turning-off controller for vehicle power management.
Background technology
Under the common promotion of automotive technology and Eltec development, increasing electronic product is applied on the automobile, thereby improves safety, stability, the traveling comfort and recreational of automobile.Power supply is a major part of automobile, and adopting storage battery usually is the automobile power supply, when automobile is in storage and transport process or long-term static condition, needs to interrupt the power supply supply, thereby avoids the battery loss and prolong battery age.
Traditional power management mainly adopts and manually removes the battery-end wire harness or remove power operations such as power supply plug-in unit, intelligent degree is low, operating difficulties, forget easily, if automobile leaves standstill for a long time, storage battery meeting over discharge is in case power shortage is serious, automobile just can not normally start, and causes very big inconvenience to the car owner.
The utility model content
In order to address the above problem, the utility model proposes a kind of automatic turning-off controller, be used for the automobile storage and transport process or the storage battery power supply management when leaving standstill for a long time, avoid reducing overdischarge and causing battery damage because long-term overdischarge causes automobile not start.
For achieving the above object, the technical scheme that the utility model adopts is as follows:
A kind of automatic turning-off controller, comprise power input interface and power output interface, its key is: be serially connected with the MOS switch between described power input interface and power output interface, the switch control end of described MOS switch links to each other with the output pin of microcontroller, an input pin of described microcontroller is connected on the diagnostic equipment instruction input interface, microcontroller is according to the on off state of the system mode instruction control MOS switch of diagnostic equipment instruction input interface input, thus the control of the break-make between realization power input interface and the power output interface.
As preferably, described power output interface is provided with power output interface A and the output of power output interface B two-way, be connected in series a MOS switch between power input interface and the power output interface A, be connected in series the 2nd MOS switch between power input interface and the power output interface B, the switch control end of a described MOS switch and the 2nd MOS switch and two output pins of described microcontroller connect one to one.
In order to realize the supply regular power of microcontroller, described microcontroller is provided with power pin VCC and ground pin GND, described power pin VCC is connected on the mouth of Voltage stabilizing module, the input end of this Voltage stabilizing module links to each other with described power input interface, and described ground pin GND is connected on the grounding ports.
Further, between the input end of described power input interface and Voltage stabilizing module, be serially connected with power supply counnter attack diode.
In order to realize the Clock management of microcontroller, described microcontroller is provided with clock pin CLK, and this clock pin CLK links to each other with clock circuit.
Described MOS switch is provided with current feedback terminal, and each current feedback terminal links to each other with a current sense pin of described microcontroller.
Remarkable result of the present utility model is: can be used for the automobile power source intelligent management, power input interface is connected with the mouth of automotive battery, be power devices such as automotive meter instruments and meters by power output interface, the instruction of diagnostic equipment instruction input interface input automobile mode of operation, when automobile leaves standstill for a long time, system is in dormant state, microprocessor control MOS switch disconnects, controlled plants such as automotive meter instruments and meters are in off-position, the microcontroller quiescent dissipation drops to enough low, thereby avoids the storage battery over discharge.In case microcontroller detects external forced and wakes up when instructing, then automobile is in normal working, microprocessor control MOS switch conduction, controlled plants such as the automotive meter instruments and meters recovery normal operation that powers on, by controlling to the real-time detection of automotive system state with to the break-make of supply line, realized the intelligent management to automobile power source, avoided having improved safety and the stability of electric power system because long-term overdischarge causes automobile not start.
Description of drawings
Fig. 1 is schematic block circuit diagram of the present utility model.
The specific embodiment
Below in conjunction with accompanying drawing the specific embodiment of the present utility model and principle of work are described in further detail.
As shown in Figure 1, a kind of automatic turning-off controller, comprise power input interface 1 and power output interface 2, for vehicle power management, described power output interface 2 is provided with power output interface A and the output of power output interface B two-way, be connected in series a MOS switch 3 between power input interface 1 and the power output interface A, be connected in series the 2nd MOS switch 3 ' between power input interface 1 and the power output interface B, the switch control end of a described MOS switch 3 and the 2nd MOS switch 3 ' and two output pins of described microcontroller 4 connect one to one, an input pin of described microcontroller 4 is connected on the diagnostic equipment instruction input interface 5, microcontroller 4 controls a MOS switch 3 according to the system mode instruction of diagnostic equipment instruction input interface 5 inputs or/and the on off state of the 2nd MOS switch 3 ', thereby realizes that power input interface 1 and the break-make between the power output interface 2 control.
In implementation process, microcontroller 4 is provided with power pin VCC and ground pin GND, described power pin VCC is connected on the mouth of Voltage stabilizing module 6, the input end of this Voltage stabilizing module 6 links to each other with described power input interface 1, described ground pin GND is connected on the grounding ports 7, thereby for microcontroller 4 provides working power, reverse for fear of electric current, between the input end of described power input interface 1 and Voltage stabilizing module 6, be serially connected with power supply counnter attack diode 8.
In order to realize the clock input of microcontroller 4, described microcontroller 4 is provided with clock pin CLK, and this clock pin CLK links to each other with clock circuit 9.
Detect for the ease of power supply state, a described MOS switch 3 and the 2nd MOS switch 3 ' are provided with current feedback terminal, each current feedback terminal links to each other with a current sense pin of described microcontroller 4, whether microcontroller 4 can decision-making system power normal according to the current feedback situation of each MOS switch.
This device is applied in the vehicle power management system, power input interface 1 is connected with the power supply output line of automotive battery, and power output interface A and power output interface B give EMS(Engine Manegement System engine management system respectively), BCM(Body Control Module Body control module), sound equipment, instrument, skylight, room light etc. need the system of post power supply that power supply is provided.
Principle of work of the present utility model is:
When vehicle normally uses, microcontroller 4 control the one MOS switch 3 and the 3 ' conductings of the 2nd MOS switch, automotive battery needs the system of post power supply that power supply is provided for EMS, BCM, sound equipment, instrument, skylight, room light etc.
When vehicle is in static condition, system hibernates, 4 dormancy instructions that can detect external device by diagnostic equipment instruction input interface 5 of microcontroller, automatically enter the deep sleep state, initiatively cut off the power supply of systems such as EMS, BCM, sound equipment, instrument, skylight, room light, make these systems be in off-position, microcontroller 4 quiescent dissipations drop to enough low, thereby it is minimum that the car load power consumption is dropped to, and reduces battery discharging.
When starting vehicle again, 4 pressures of instructing input interface 5 can detect external device by diagnostic equipment of microcontroller wake instruction up, control the MOS switch conduction again, thereby power on for automatically controlled systems such as EMS, BCM, sound equipment, instrument, skylight, room light, so these systems recover its intrinsic function immediately.
By adopting system mode instruction to detect and to the automatic control of MOS switch, having realized automation, the intelligent management of automobile power source, avoid having improved safety and the stability of electric power system because long-term overdischarge causes automobile not start.
Claims (6)
1. automatic turning-off controller, comprise power input interface (1) and power output interface (2), it is characterized in that: between described power input interface (1) and power output interface (2), be serially connected with MOS switch (3/3 '), the switch control end of described MOS switch (3/3 ') links to each other with the output pin of microcontroller (4), an input pin of described microcontroller (4) is connected on the diagnostic equipment instruction input interface (5), microcontroller (4) is according to the on off state of the system mode instruction control MOS switch (3/3 ') of diagnostic equipment instruction input interface (5) input, thus the control of the break-make between realization power input interface (1) and the power output interface (2).
2. automatic turning-off controller according to claim 1, it is characterized in that: described power output interface (2) is provided with power output interface A and the output of power output interface B two-way, be connected in series a MOS switch (3) between power input interface (1) and the power output interface A, be connected in series the 2nd MOS switch (3 ') between power input interface (1) and the power output interface B, a described MOS switch (3) connects one to one with the switch control end of the 2nd MOS switch (3 ') and two output pins of described microcontroller (4).
3. automatic turning-off controller according to claim 1 and 2, it is characterized in that: described microcontroller (4) is provided with power pin VCC and ground pin GND, described power pin VCC is connected on the mouth of Voltage stabilizing module (6), the input end of this Voltage stabilizing module (6) links to each other with described power input interface (1), and described ground pin GND is connected on the grounding ports (7).
4. automatic turning-off controller according to claim 3 is characterized in that: be serially connected with power supply counnter attack diode (8) between the input end of described power input interface (1) and Voltage stabilizing module (6).
5. automatic turning-off controller according to claim 1 and 2, it is characterized in that: described microcontroller (4) is provided with clock pin CLK, and this clock pin CLK links to each other with clock circuit (9).
6. automatic turning-off controller according to claim 1, it is characterized in that: described MOS switch (3/3 ') is provided with current feedback terminal, and each current feedback terminal links to each other with a current sense pin of described microcontroller (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013201225484U CN203186118U (en) | 2013-03-18 | 2013-03-18 | Automatic power-off controller |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013201225484U CN203186118U (en) | 2013-03-18 | 2013-03-18 | Automatic power-off controller |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203186118U true CN203186118U (en) | 2013-09-11 |
Family
ID=49103002
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2013201225484U Expired - Fee Related CN203186118U (en) | 2013-03-18 | 2013-03-18 | Automatic power-off controller |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203186118U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103144542A (en) * | 2013-03-18 | 2013-06-12 | 力帆实业(集团)股份有限公司 | Automatic power interruption control system |
| CN106415673A (en) * | 2014-05-08 | 2017-02-15 | 罗伯特·博世有限公司 | Method for diagnosis of a state in a vehicle, and diagnosis tester |
-
2013
- 2013-03-18 CN CN2013201225484U patent/CN203186118U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103144542A (en) * | 2013-03-18 | 2013-06-12 | 力帆实业(集团)股份有限公司 | Automatic power interruption control system |
| CN103144542B (en) * | 2013-03-18 | 2016-01-06 | 力帆实业(集团)股份有限公司 | A kind of automatic power off control system |
| CN106415673A (en) * | 2014-05-08 | 2017-02-15 | 罗伯特·博世有限公司 | Method for diagnosis of a state in a vehicle, and diagnosis tester |
| US10157511B2 (en) | 2014-05-08 | 2018-12-18 | Robert Bosch Gmbh | Method for diagnosing a state in a vehicle, and diagnostic testing device |
| CN106415673B (en) * | 2014-05-08 | 2019-06-21 | 罗伯特·博世有限公司 | For diagnosing the method and diagnostic testing apparatus of the state in vehicle |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104742825B (en) | A kind of low-power consumption car body controller and control method thereof | |
| CN104228713B (en) | A kind of Automobile Transportation mode control device and method | |
| CN104037720A (en) | Protection device and protection method for preventing voltage drop of power supply of microcontroller in electronic cigarette | |
| CN103144542B (en) | A kind of automatic power off control system | |
| CN103138018B (en) | A kind of battery management system state switching method | |
| CN109828506B (en) | New energy automobile electronic whole car control module static power consumption control system | |
| CN107591859B (en) | Wireless charging receiving controller protection method and device | |
| CN108556669B (en) | Vehicle-mounted charger and control device thereof | |
| CN102981489A (en) | Device and method for waking up automobile CAN (Controller Area Network) bus as well as vehicle | |
| CN204659637U (en) | Based on the car load CAN wake-up circuit of TJA1041AT interface chip | |
| CN105487638A (en) | Electronic circuit system and power consumption reducing method thereof | |
| CN203186118U (en) | Automatic power-off controller | |
| US20240097480A1 (en) | Battery management circuit and battery apparatus | |
| CN103832289B (en) | Dormancy control circuit | |
| CN205862167U (en) | Low consumption circuit and the power-consumption control system waken up up based on automotive electronics rigid line | |
| CN104578270A (en) | Vehicle-mounted low-voltage power supply device for battery electric vehicle | |
| CN202487118U (en) | Device for lowering standby power consumption | |
| CN209208529U (en) | A kind of CP signal applied to battery management system automatically wakes up/sleeping system | |
| CN100451906C (en) | CPU electric supply circuit of automobile sound equipment | |
| CN203690986U (en) | Sleeping control device of vehicle charger | |
| WO2023029531A1 (en) | Switch power supply, power battery system, and vehicle | |
| CN106183847B (en) | A kind of pure electric vehicle refrigerating transport vehicle that can be worked in charging | |
| CN109435764A (en) | A kind of the wake/sleep system and its logic control method of battery management system | |
| CN203438958U (en) | Embedded storage battery outage protector | |
| CN203119599U (en) | Novel vehicle-mounted energy-saving power supply management circuit |
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: 20130911 Termination date: 20200318 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |