CN107187407B - Power supply mode of vehicle-mounted equipment - Google Patents
Power supply mode of vehicle-mounted equipment Download PDFInfo
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- CN107187407B CN107187407B CN201710373660.8A CN201710373660A CN107187407B CN 107187407 B CN107187407 B CN 107187407B CN 201710373660 A CN201710373660 A CN 201710373660A CN 107187407 B CN107187407 B CN 107187407B
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- mounted electronic
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- electronic equipment
- power supply
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R16/00—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for
- B60R16/02—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for electric constitutive elements
- B60R16/03—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for electric constitutive elements for supply of electrical power to vehicle subsystems or for
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- Electric Propulsion And Braking For Vehicles (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
The invention provides a power supply mode and a power supply system for vehicle-mounted equipment, which are used for supplying power to vehicle-mounted electronic equipment and are characterized in that: the vehicle-mounted electronic equipment obtains electricity through a vehicle battery; after the vehicle is started, the vehicle battery delays to supply power to the vehicle-mounted electronic equipment; when the vehicle is flamed out, the vehicle battery continuously supplies power to the vehicle-mounted electronic equipment for a period of time, and then the power is cut off. The method reduces the impact of the instant starting current of the automobile on the after-loading equipment, ensures the normal shutdown and power failure of the after-loading equipment, prolongs the service life of the after-loading equipment, ensures the after-loading equipment to be cut off after the automobile is flamed out, and avoids the loss of a storage battery. And two-way protection is added in the circuit diagram, so that the equipment is ensured not to influence the operation of the automobile.
Description
Technical Field
The invention relates to a vehicle-mounted circuit, in particular to a power supply mode of vehicle-mounted equipment.
Background
The rapid development of Chinese economy causes the number and the types of automobiles to be rapidly increased, and along with the gradual maturity of the technology of the Internet of things, people no longer meet the requirement that the automobiles fix themselves in a fort, the interaction appeal among the automobiles is more and more intense, and a plurality of automobile after-loading networking devices are promoted accordingly. For newly-added equipment, the electricity is taken safely on the automobile, and the service life of the automobile storage battery is prolonged, so that the focus of attention is focused.
Current mobile unit often gets the electricity through the USB end, gets the electricity unstable, and there is the potential safety hazard in interior winding displacement etc. of car. For equipment such as a vehicle-mounted projector and the like, a line is usually connected to an ON line power supply to get electricity, and the power supply and the power outage are carried out along with the starting and flameout of a vehicle, however, in this way, the emergency power outage of the power supply can be caused if the vehicle is suddenly stopped, so that the electronic equipment is directly forced to be shut down, and the problems of online data loss in the using process of the equipment and the shortening of the service life of the equipment are caused; in addition, at the moment of starting the vehicle, the electric control equipment of the vehicle also takes electricity, if the electricity is taken and used by external electricity utilization equipment, under the condition that a plurality of starting equipment are arranged, the current can generate an unstable result, so that greater current impact can be generated on the subsequent equipment, and the service life of the equipment is directly influenced.
If the uninterrupted power utilization is set, for example, the equipment is directly connected with the battery, although the equipment loss is reduced, the service life of the battery can be extremely shortened due to the uninterrupted power utilization mode, such as forgetting to close the equipment after getting off the vehicle or long-term power storage.
Disclosure of Invention
The invention aims to overcome the defects and provides a power supply and connection mode of the vehicle-mounted equipment, which can reduce the impact of the instant starting current of the vehicle on the after-loading equipment, ensure the normal shutdown and power failure of the after-loading equipment, prolong the service life of the after-loading equipment, ensure the after-loading equipment to be cut off after the vehicle is flamed out and avoid the loss of a storage battery.
The invention provides a power supply mode of vehicle-mounted equipment, which is used for supplying power to vehicle-mounted electronic equipment and is characterized in that:
the vehicle-mounted electronic equipment obtains electricity through a vehicle battery;
after the vehicle is started, the vehicle battery delays to supply power to the vehicle-mounted electronic equipment; the delay is adjustable in time, for example: and setting the power supply time of the vehicle-mounted electronic equipment as 5 minutes after the automobile is started and preheated, and then supplying power to other equipment.
When the vehicle is flamed out, the vehicle battery continuously supplies power to the vehicle-mounted electronic equipment for a period of time, and then the power is cut off. The time for continuing to supply power is adjustable, for example: the time for which the power supply to the in-vehicle electronic device is continued is set to 5 minutes after the vehicle is turned off, and then the power supply to the in-vehicle electronic device is cut off.
Further, the power supply mode of the vehicle-mounted equipment provided by the invention also has the following characteristics: when the equipment breaks down, the power supply system automatically cuts off the power supply.
Further, the power supply mode of the vehicle-mounted equipment provided by the invention also has the following characteristics: when the number of the vehicle-mounted electronic equipment is multiple, different starting power-on time and delayed power-off time can be set for each vehicle-mounted electronic equipment. The time setting method can be used for manually setting a fixed value, such as: the delayed starting time of the equipment A is 5min after the vehicle is started, the delayed starting time of the equipment B is 6min after the vehicle is started, the delayed starting time of the equipment C is 7min after the vehicle is started, and the like; in addition, in order to achieve the effects of automation and automatic obstacle clearance, the time setting may also be a starting mode set by the cloud or the system, for example: and the system/cloud server starts the first equipment after judging that the equipment fixedly carried on the vehicle is started, starts the second equipment after the first equipment is started, and reports to the system/cloud server by repeating the steps until all the equipment are started.
In the process, if a certain device fails and cannot be started, the device is directly skipped to start the subsequent devices, and after all the device starting procedures are completed, a report containing failure information is transmitted to the system/cloud server.
In addition, in cooperation with the above power supply mode, the present invention also provides a power supply system for a vehicle-mounted device, which is used for protecting a vehicle battery and a vehicle-mounted electronic device and supplying power to the vehicle-mounted electronic device, and is characterized in that:
the power supply end of the vehicle-mounted electronic equipment is communicated with the storage battery, and the storage battery supplies power to the vehicle-mounted electronic equipment to form a power taking circuit;
an electric control module is arranged on the power taking circuit;
the electric control module is used for controlling the on and off of the power taking circuit;
when the vehicle is started, the electric control module controls the power-taking circuit to be conducted within preset/appointed time;
when the vehicle is flamed out, the electric control module controls the power-taking circuit to be disconnected within the preset/appointed time.
The electric control module is also conducted with an ON gear line power supply of the vehicle to form a control circuit.
Further, the power supply system for the vehicle-mounted equipment provided by the invention also has the following characteristics: namely, the electric control module comprises a timing element and an electric control element;
the timing element controls the electric control element to switch on or off the power taking circuit according to preset/appointed time.
Further, the power supply system for the vehicle-mounted equipment provided by the invention also has the following characteristics: namely, when the number of the vehicle-mounted electronic devices is more than one;
each vehicle-mounted electronic device is communicated with the vehicle storage battery through the electric control module. The conduction mode can be parallel connection, namely, one device corresponds to one electric control module; or the equipment can be connected in series, namely, the equipment is connected with the storage battery through an electric control module after being sequentially connected in series.
Further, the power supply system for the vehicle-mounted equipment provided by the invention also has the following characteristics: namely, the electric control module also comprises a timing management module;
the timing management module manages preset/designated start time and preset/designated off time of each of the on-board electronic devices.
Further, the power supply system for the vehicle-mounted equipment provided by the invention also has the following characteristics: namely, the system also comprises a front end of the vehicle-mounted system or a remote server;
the electric control module also comprises a starting identification module;
after the start identification module judges that the equipment fixedly carried on the vehicle is started, the first vehicle-mounted electronic equipment is started, when the start identification module judges that the first vehicle-mounted electronic equipment is started, the second vehicle-mounted electronic equipment is started, and the rest is done until all the vehicle-mounted electronic equipment are started, the start identification module reports the starting condition of each vehicle-mounted electronic equipment to the front end of the vehicle-mounted system or the remote server of the vehicle;
in the process, if a certain vehicle-mounted electronic device fails to start, the start identification module records the failure information, directly skips the vehicle-mounted electronic device to start the subsequent vehicle-mounted electronic device, and reports the start condition of each vehicle-mounted electronic device containing the failure information to the front end of the vehicle-mounted system or the remote service end after the start of all the vehicle-mounted electronic devices is completed.
Further, the power supply system for the vehicle-mounted equipment provided by the invention also has the following characteristics: namely, the power-taking circuit and/or the control circuit are/is provided with a power-off protection module;
when the vehicle-mounted electronic equipment is stopped or breaks down, the power-off protection module cuts off the circuit.
Further, the power supply system for the vehicle-mounted equipment provided by the invention also has the following characteristics: namely, the electric control module is a relay; the relay is preferably a relay with a time delay function;
the power-off protection module is a fuse.
The invention has the following functions and effects:
the invention ensures that the equipment is turned off after the automobile is flamed out by adding an electric control module (such as a relay) in the circuit, thereby protecting the electricity of the storage battery from being consumed uselessly; when the automobile is started, a large number of starting devices are arranged, the current is unstable, the current impact on the rear-mounted device is large, the service life of the device is influenced, the rear-mounted device can be started in a delayed mode through the electric control module, and the power is supplied to the rear-mounted device after all devices on the automobile work stably; after the automobile is powered off, the power of the equipment can be delayed through the electric control module, and the equipment can be normally powered off in sufficient time instead of being suddenly powered off to cause data loss.
In addition, an electric protection module can be added in the two circuits, so that the normal operation of the automobile can not be influenced even if equipment breaks down.
In addition, the circuit of the invention can also control the use of a plurality of vehicle-mounted devices at a time. And the running time and mode of each vehicle-mounted device are controlled through a timing module, a management module and the like.
In addition, for the effect of time interactive management, each device can be started one by one according to the starting condition of each device by starting the identification module, so that the stability of the whole circuit system is ensured, meanwhile, a condition report can be given to whether each device is started or not, and once a certain device fails, the management platform or the vehicle owner can be adjusted after learning the first time.
In addition, the circuit has the function of starting a high-current device by using a low current. When the equipment connected to the No. 15 wire is provided with low-current equipment such as a relay or an electric control module, and the like, the high-current after-loading equipment is conducted by starting the equipment; therefore, the safe starting of the automobile cannot be influenced by the large current of the after-loading equipment at the moment of starting the automobile, and the normal starting of the after-loading equipment cannot be influenced by the current distribution problem caused by the overlarge instant current.
In conclusion, the scheme of the invention reduces the impact of the instant starting current of the automobile on the after-loading equipment, ensures that the after-loading equipment can be normally shut down and powered off, prolongs the service life of the after-loading equipment, ensures that the after-loading equipment is cut off after the automobile is flamed out, and avoids the loss of the storage battery. And two-way protection is added in the circuit, so that the equipment is ensured not to influence the operation of the automobile.
Drawings
Fig. 1 is a circuit diagram of an in-vehicle device power supply system according to this embodiment.
Detailed Description
The embodiment provides a power supply system for vehicle-mounted equipment, which is used for protecting a vehicle battery and vehicle-mounted electronic equipment and supplying power to the vehicle-mounted electronic equipment, wherein as shown in fig. 1, a line 110 No. 30 is used for supplying power to the battery and is in a power-on state before the power consumption is finished.
In this embodiment, the power supply terminal of the vehicle-mounted electronic device 300 (e.g., electrical devices such as a projector and an electronic control film) is connected to the battery, and the battery is powered by the battery to form the power-taking circuit 10;
an electric control device 200 is arranged on the power taking circuit 10; the electric control device 200 is used for controlling the on and off of the power taking circuit; when the vehicle is started, the electric control device 200 controls the power-taking circuit to be conducted within a preset/designated time; when the vehicle is turned off, the electric control apparatus 200 controls the power-taking circuit to be turned off within a preset/designated time. The electric control device 200 is also in electrical communication with a vehicle "ON" gear line power source, forming a control circuit 20;
specifically, in the present embodiment, the electric control device 200 is a relay with a time delay function, the switch end 210 of the relay is connected to the power taking circuit 10, and the trigger end 220 of the relay is connected to the "ON" gear line power supply; when the "ON" gear line power supply is powered ON, the control circuit 20 is turned ON, and after the current flows through the trigger end 220, the trigger end 220 closes the circuit of the switch end 210 in a magnetic attraction manner or the like, so that the vehicle-mounted electronic device 300 and the vehicle battery are in a closed state, and the power supply is obtained.
When the vehicle is turned off, the "ON" line-blocking power supply is turned off, the control circuit 20 is in a non-power state, after the current stops being supplied to the trigger terminal 220, the magnetic attraction disappears, the circuit of the switch terminal 210 is opened, the vehicle-mounted electronic device 300 and the vehicle battery are in a disconnected state, and the power supply is cut off.
In the embodiment, in order to obtain the effects of delayed power supply and delayed power cut, the relay is a delayed relay (such as an air bag type, an electronic type, a clock type, a mechanical type and the like which can realize the delayed effect), so that a path can be realized in a delayed mode according to the set time after the vehicle is started, and a circuit can be cut off in a delayed mode according to the set time after the vehicle is shut down.
In addition, in this embodiment, in order to avoid the influence of the sudden power failure of the device on the two circuits, power failure protection devices are further respectively arranged on the power taking circuit 10 and the control circuit 20, such as: and the fuse cuts off the circuit when the vehicle-mounted electronic equipment stops or fails.
As a first modification of the present embodiment:
the relay can also be replaced by any electric control module with a timing element and an electric control element, and in the electric control module, the timing element can control the electric control element to switch on or switch off the power taking circuit according to preset time.
As a second modification of the present embodiment:
the system can supply power to a plurality of vehicle-mounted electronic devices, and each vehicle-mounted electronic device is communicated with the vehicle storage battery through the electric control device. The electric control equipment can be connected in series and then connected with the vehicle storage battery through the electric control equipment, and each equipment can also be connected with the vehicle storage battery through the corresponding independent electric control equipment.
In such a system, the electric control device further comprises a timing management module; the timing management module manages preset/designated start-up time and preset/designated off time of each vehicle-mounted electronic device, so that each device can be started and shut down in different time periods.
As a third modification of the present embodiment:
in order to realize the effect of intelligently controlling the starting of a plurality of electronic devices;
the system also comprises a front end or a remote server of the vehicle-mounted system;
the electric control device also comprises a start authentication module;
after the vehicle is started, the start identification device judges that the equipment fixedly carried on the vehicle is started completely, then the first vehicle-mounted electronic equipment is started, when the start identification module judges that the first vehicle-mounted electronic equipment is started completely, then the second vehicle-mounted electronic equipment is started, and the rest is done until all the vehicle-mounted electronic equipment are started completely, the start identification module reports the starting condition of each vehicle-mounted electronic equipment to the front end of the vehicle-mounted system or the remote server of the vehicle;
in the process, if a certain vehicle-mounted electronic device fails to start, the start identification module records the failure information, directly skips the vehicle-mounted electronic device to start the subsequent vehicle-mounted electronic device, and reports the start condition of each vehicle-mounted electronic device containing the failure information to the front end of the vehicle-mounted system or the remote service end after the start of all the vehicle-mounted electronic devices is completed.
The specific operation mode of this embodiment is as follows:
1. the relay is normally open, when the automobile is flamed out, a circuit of the rear-mounted equipment is in a disconnection stage, and the storage battery of the automobile cannot be lost when the automobile is not started.
2. When the automobile is ignited or the automobile is turned to an ACC ON gear, the relay is electrified, a normally open switch of the relay is closed, and the circuit of the after-loading equipment is conducted and then starts to work.
3. By utilizing the time delay function of the relay, when the automobile is started, the normally open switch of the relay is closed in a time delay manner, so that the impact of instable current at the moment of starting on equipment is avoided; when the automobile is flamed out, the switch of the relay is delayed to be powered off, so that the rear-mounted equipment is prevented from being suddenly powered off, and the stability of the rear-mounted equipment is ensured.
4. The two fuses in the circuit are respectively connected, and even when short-circuit faults occur to equipment and a relay, normal operation of the vehicle can be guaranteed.
Claims (7)
1. The utility model provides a vehicle-mounted electronic equipment power supply system for protect vehicle storage battery and vehicle-mounted electronic equipment, and for vehicle-mounted electronic equipment power supply, its characterized in that:
the power supply end of the vehicle-mounted electronic equipment is communicated with the storage battery, and the storage battery supplies power to the vehicle-mounted electronic equipment to form a power taking circuit; an electric control module is arranged on the power taking circuit;
the electric control module is used for controlling the on and off of the power taking circuit;
when the vehicle is started, the electric control module controls the power-taking circuit to be conducted within preset/appointed time;
when the vehicle is flamed out, the electric control module controls the power-taking circuit to be disconnected within preset/appointed time;
the electric control module is also conducted with an ON gear line power supply of the vehicle to form a control circuit;
the power supply method using the power supply system for the in-vehicle electronic device is as follows:
the vehicle-mounted electronic equipment obtains electricity through a vehicle battery;
after the vehicle is started, the vehicle battery delays to supply power to the vehicle-mounted electronic equipment;
when the vehicle is flamed out, the vehicle battery continuously supplies power to the vehicle-mounted electronic equipment for a period of time, and then the power is cut off;
the system also comprises a front end or a remote server of the vehicle-mounted system;
the electric control module further comprises a start authentication module;
the starting identification module is used for judging whether equipment fixedly carried on a vehicle is started up or not, starting a first vehicle-mounted electronic device after the equipment fixedly carried on the vehicle is judged to be started up, starting a second vehicle-mounted electronic device after the first vehicle-mounted electronic device is judged to be started up by the starting identification module, and repeating the steps until all the vehicle-mounted electronic devices are started up, and reporting the starting conditions of the vehicle-mounted electronic devices to the front end or the remote server end of a vehicle-mounted system of the vehicle by the starting identification module;
in the process, if a certain vehicle-mounted electronic device fails and cannot be started, the start identification module records the failure information, directly skips the vehicle-mounted electronic device to start the subsequent vehicle-mounted electronic device, and reports the start condition of each vehicle-mounted electronic device containing the failure information to the front end of the vehicle-mounted system or the remote service end after the start of all the vehicle-mounted electronic devices is finished;
the vehicle-mounted electronic equipment is afterloading equipment.
2. The vehicle-mounted electronic equipment power supply system according to claim 1, characterized in that:
the electric control module comprises a timing element and an electric control element;
the timing element controls the electric control element to switch on or switch off the power taking circuit according to preset time.
3. The vehicle-mounted electronic equipment power supply system according to claim 1, characterized in that:
when the number of the vehicle-mounted electronic equipment is more than one;
each vehicle-mounted electronic device is communicated with the vehicle storage battery through the electric control module.
4. The vehicle-mounted electronic equipment power supply system according to claim 2, characterized in that:
the electric control module further comprises a timing management module;
the timing management module manages preset/designated start-up time and preset/designated off time of each of the vehicle-mounted electronic devices.
5. The vehicle-mounted electronic equipment power supply system according to claim 1, characterized in that:
the power-taking circuit and/or the control circuit is/are provided with a power-off protection module;
when the vehicle-mounted electronic equipment is stopped or breaks down, the power-off protection module cuts off the circuit.
6. The vehicle-mounted electronic equipment power supply system according to claim 1, characterized in that:
when the vehicle-mounted electronic equipment breaks down, the power supply system automatically cuts off power supply.
7. The vehicle-mounted electronic equipment power supply system according to claim 1, characterized in that:
when the number of the vehicle-mounted electronic equipment is multiple, different starting power-on time and delayed power-off time can be set for each vehicle-mounted electronic equipment.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201710373660.8A CN107187407B (en) | 2017-05-24 | 2017-05-24 | Power supply mode of vehicle-mounted equipment |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201710373660.8A CN107187407B (en) | 2017-05-24 | 2017-05-24 | Power supply mode of vehicle-mounted equipment |
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| CN107187407A CN107187407A (en) | 2017-09-22 |
| CN107187407B true CN107187407B (en) | 2020-01-14 |
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Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110868673A (en) * | 2019-11-22 | 2020-03-06 | 广东联晟通信科技有限公司 | DSP power amplifier start-up starting device |
| CN113746059B (en) * | 2020-05-29 | 2022-10-18 | 比亚迪股份有限公司 | Vehicle power supply circuit, system and vehicle |
| CN112590686B (en) * | 2020-12-15 | 2022-06-21 | 中电海康集团有限公司 | Switching management device and switching management method for vehicle-mounted power supply |
| CN113246886B (en) * | 2021-04-28 | 2023-07-11 | 武汉路特斯汽车有限公司 | Power supply state control method and device and computer storage medium |
| CN113119732A (en) * | 2021-05-17 | 2021-07-16 | 合肥阳光电动力科技有限公司 | Power supply control method and system and new energy automobile |
| CN115313550A (en) * | 2022-08-09 | 2022-11-08 | 基洛智能（深圳）有限公司 | Intelligent power supply method for vehicle-mounted electronic equipment |
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| CN103386934A (en) * | 2012-05-10 | 2013-11-13 | 航天信息股份有限公司 | Power supply device and power supply method of vehicle-mounted electronic device |
| CN206968588U (en) * | 2017-05-24 | 2018-02-06 | 上海碧虎网络科技有限公司 | A kind of mobile unit electric power system |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| US9315166B2 (en) * | 2013-07-12 | 2016-04-19 | Fca Us Llc | Techniques for synchronous rectification control of DC-DC converters in electrified vehicles |
| US9975400B2 (en) * | 2015-06-18 | 2018-05-22 | Ford Global Technologies, Llc | Method of controlling climate in a parked vehicle |
| CN205489605U (en) * | 2016-01-14 | 2016-08-17 | 深圳市创维群欣安防科技股份有限公司 | Time delay starting circuit and mobile unit |
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Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103386934A (en) * | 2012-05-10 | 2013-11-13 | 航天信息股份有限公司 | Power supply device and power supply method of vehicle-mounted electronic device |
| CN206968588U (en) * | 2017-05-24 | 2018-02-06 | 上海碧虎网络科技有限公司 | A kind of mobile unit electric power system |
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