Anti-power failure OBD connectors
Technical field
The utility model is related to car networking technology more particularly to a kind of anti-power failure OBD connectors.
Background technology
Car networking is a typical case of the Internet of Things in automotive field, be mobile Internet, Internet of Things to business essence
It is Future Information communication, the amalgamation technology of the development such as environmentally friendly, energy saving, safe with the only way which must be passed developed in depth and breadth.
Car networking integrates all types of sensors using automobile as information terminal, establishes the interconnection of a variety of different types of communications,
It realizes the slitless connection perceived with communicating, makes the information of board units and preventing road monitoring system, traffic control system, logistics system
The 4 S auto shops such as system, parking garage systems, automobile repair, automobile rescue service system, insurance system, road medical aid system,
Daily life pertinent value added services simultaneously form powerful automobile internet altogether.Realize vehicle and vehicle (V2V), Che Yulu (V2R),
Vehicle interconnects with net (V2I), vehicle and people's (V2H) etc., realize communication between car self-organization network and a variety of heterogeneous networks with
Roaming ensures real-time, serviceability and internetworking in function and performance, forms the entity of public network and private network.
Current vehicle OBD connectors, are often connected with burglary-resisting system, vehicle monitoring system and environmental sensor, so as to
Realize in theft protection, vehicle travel process and park the functions such as peripheral information monitoring and environment inside car monitoring.But due to even
The equipment connect is more and more, and power consumption is caused to also begin to be significantly increased, and after vehicle is closed down, vehicle power supply, which exhausts, to be led to not out
The phenomenon that opening is also more and more.
Utility model content
In view of this, the utility model proposes a kind of anti-power failure OBD connectors, can effectively prevent vehicle closes down state
Lower battery exhausts, while extends the running time of vehicle OBD connector external equipments.
What the technical solution of the utility model was realized in:The utility model provides a kind of anti-power failure OBD connectors,
Including OBD interfaces, redundant electrical power, OBD processors and Signal-controlled switch are further included, the OBD interfaces use standard OBD-II
Interface is connected with vehicle-mounted ECU signal, and vehicle-mounted ECU is electrically connected with vehicle power supply, wherein,
OBD processors are connected with OBD interface signals and are electrically connected with redundant electrical power, when vehicle is in driving states,
Pass through the vehicle driving in OBD interfaces acquisition vehicle-mounted ECU or dead ship condition information and vehicle power supply real-time voltage data U0, control
Signal-controlled switch connects electrical circuit of the vehicle power supply respectively with OBD interfaces and redundant electrical power;When vehicle is in dead ship condition
When, vehicle power supply real-time voltage data U0 is preset into minimum voltage data U1 with vehicle power supply and is compared, as U0 < U1, control
Signal-controlled switch processed cuts off vehicle power supply with the electrical circuit of OBD interfaces and redundant electrical power respectively, controls OBD interfaces and deposit
The electrical circuit connection of power supply;When vehicle is in dead ship condition, vehicle power supply real-time voltage data U0 is preset with vehicle power supply
Minimum voltage data U1 is compared, and as U0 >=U1, control signal control switchs the electrical circuit by vehicle power supply and OBD interfaces
It connects and is cut off with the electrical circuit of redundant electrical power, control the cut-out of the electrical circuit of OBD interfaces and redundant electrical power;
Signal-controlled switch is electrically connected respectively with OBD interfaces, vehicle power supply and redundant electrical power, with OBD processor signals
Connection.
On the basis of above technical scheme, it is preferred that the OBD interfaces, redundant electrical power, OBD processors and signal control
System switch is integrally disposed.
On the basis of above technical scheme, it is preferred that further include mobile communication module and mobile terminal, mobile communication mould
Block and OBD Interface integrations are set, and are connected respectively with OBD processors and mobile terminal signal, when OBD interfaces and vehicle-mounted ECU
When signal connection is cut off, OBD processors send alarm signal by mobile communication module to mobile terminal.Further preferably
, burglary-resisting system is further included, it is integrally disposed with OBD port connections and be connected with OBD processor signals, when external environment triggering is anti-
During theft system, OBD processors send alarm signal by mobile communication module to mobile terminal.It is further preferred that when OBD connects
When mouth is connected cut-off with the signal of vehicle-mounted ECU, vehicle-mounted ECU control ignition procedure keeps not starting state.It is further preferred that
The mobile communication module includes 2G communication modules, 3G communication modules, 4G communication modules and 5G communication modules.
The anti-power failure OBD connectors of the utility model have the advantages that compared with the prior art:
(1) by integrating redundant electrical power, OBD processors and Signal-controlled switch on OBD interfaces, it can detect vehicle traveling
State and vehicle power supply real-time voltage data are powered to redundant electrical power by vehicle power supply, are closed down in vehicle in the process of moving
Under state preferentially, when vehicle power supply electric power deficiency, deposit is switched to using the external equipment on vehicle power supply driving OBD interfaces
Power supply is powered to the external equipment on OBD interfaces, so as to prevent vehicle power supply exhausts from leading to not open, while extends vehicle
The running time of OBD connector external equipments;
(2) by integrating mobile communication module on OBD interfaces, alarm is sent when OBD interfaces are pulled out or destroy
Signal, while ignition procedure is cut off, so as to which vehicle be prevented to be stolen, improve security.
Description of the drawings
It in order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only
It is some embodiments of the utility model, for those of ordinary skill in the art, in the premise not made the creative labor
Under, it can also be obtained according to these attached drawings other attached drawings.
Fig. 1 is the connection relationship diagram of the utility model anti-power failure OBD connectors.
Specific embodiment
Below in conjunction with the attached drawing in the utility model embodiment, to the technical solution in the utility model embodiment
It being clearly and completely described, it is clear that described embodiment is only a part of embodiment of the utility model, without
It is whole embodiments.Based on the embodiment in the utility model, those of ordinary skill in the art are not making creation
Property work under the premise of the every other embodiment that is obtained, shall fall within the protection scope of the present invention.
As shown in Figure 1, the anti-power failure OBD connectors of the utility model, including OBD interfaces 1, redundant electrical power 2, OBD processing
Device 3 and Signal-controlled switch 4.
OBD interfaces 1 using standard OBD-II interfaces, are connected with vehicle-mounted ECU signal, and vehicle-mounted ECU electrically connects with vehicle power supply
It connects.Driving or dead ship condition information and vehicle power supply real-time voltage data U0 etc. in vehicle-mounted ECU collection vehicle traveling, can be used
The prior art.
OBD processors 3 are connected with 1 signal of OBD interfaces and are electrically connected with redundant electrical power 2, pass through 1 collecting vehicle of OBD interfaces
Vehicle driving or dead ship condition information and vehicle power supply real-time voltage data U0 on load ECU, when vehicle is in driving states,
Control signal control switch 4 connects electrical circuit of the vehicle power supply respectively with OBD interfaces 1 and redundant electrical power 2.At this point, vehicle mounted electric
Source is powered to OBD interfaces 1 and external equipment, while is charged to redundant electrical power 2.When vehicle is in dead ship condition, by vehicle
Load power supply real-time voltage data U0 presets minimum voltage data U1 with vehicle power supply and is compared, as U0 < U1, control signal
Control switch 4 cuts off vehicle power supply with the electrical circuit of OBD interfaces 1 and redundant electrical power 2 respectively, control OBD interfaces 1 and deposit electricity
The electrical circuit connection in source 2.At this point, being powered using redundant electrical power 2 to OBD interfaces 1 and external equipment, prevent that vehicle power supply is electric
Power exhausts.When vehicle is in dead ship condition, vehicle power supply real-time voltage data U0 and vehicle power supply are preset into minimum voltage number
Be compared according to U1, as U0 >=U1, control signal control switch 4 by vehicle power supply connected with the electrical circuit of OBD interfaces 1 and with
The electrical circuit cut-out of the electrical circuit cut-out of redundant electrical power 2, control OBD interfaces 1 and redundant electrical power 2.At this point, continue using vehicle mounted electric
Source is powered, and redundant electrical power 2 is spare as emergency power supply.
Signal-controlled switch 4 is electrically connected respectively with OBD interfaces 1, vehicle power supply and redundant electrical power 2, with OBD processors 3
Signal connects.Specifically, the OBD interfaces 1, redundant electrical power 2, OBD processors 3 and Signal-controlled switch 4 are integrally disposed.
Current vehicle anti-theft is typically based on OBD system, and burglar cuts off the connection of OBD interfaces 1 so as to lead in order to prevent
Anti-theft device failure is caused, further includes mobile communication module 6 and mobile terminal 5, mobile communication module 6 and OBD interfaces 1, which integrate, to be set
It puts, and is connected respectively with OBD processors 3 and 5 signal of mobile terminal, is cut off when OBD interfaces 1 are connected with the signal of vehicle-mounted ECU
When, OBD processors 3 send alarm signal by mobile communication module 6 to mobile terminal 5.In this way, when OBD interfaces 1 with it is vehicle-mounted
When the signal connection of ECU is cut off, you can send alarm signal, anti-antitheft device failure.Specifically, further include burglary-resisting system
7, it is integrally disposed with 1 connector of OBD interfaces and be connected with 3 signal of OBD processors, when external environment triggers burglary-resisting system 7, OBD
Processor 3 sends alarm signal by mobile communication module 6 to mobile terminal 5.The prior art can be used in more than burglary-resisting system 7,
Not reinflated narration again.Specifically, when OBD interfaces 1 are connected with the signal of vehicle-mounted ECU and are cut off, vehicle-mounted ECU control igniting
Program keeps not starting state.In this way, in the case where vehicle does not start, car body is difficult to move, and so as to which vehicle be prevented to be stolen, carries
Response time when height is stolen.Specifically, the mobile communication module 6 includes 2G communication modules, 3G communication modules, 4G communication moulds
Block and 5G communication modules.
The foregoing is merely the better embodiments of the utility model, are not intended to limit the utility model, it is all
Within the spirit and principles of the utility model, it is new to should be included in this practicality for any modifications, equivalent replacements and improvements are made
Within the protection domain of type.