CN107472171A - Power supply management device, method and vehicle - Google Patents
Power supply management device, method and vehicle Download PDFInfo
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- CN107472171A CN107472171A CN201710539121.7A CN201710539121A CN107472171A CN 107472171 A CN107472171 A CN 107472171A CN 201710539121 A CN201710539121 A CN 201710539121A CN 107472171 A CN107472171 A CN 107472171A
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- 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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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
- H02H3/00—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection
- H02H3/08—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection responsive to excess current
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
- H02H3/00—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection
- H02H3/24—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection responsive to undervoltage or no-voltage
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- Mechanical Engineering (AREA)
- Remote Monitoring And Control Of Power-Distribution Networks (AREA)
Abstract
This disclosure relates to a kind of power supply management device, method and vehicle, the power supply management device is applied to vehicle, and the vehicle includes power supply and multiple loads, and the power supply management device includes：Sampling module, connected respectively with the power supply and the multiple load, for gathering the operating current of each load in the multiple load respectively；Main control module, it is connected respectively with the sampling module, for generating corresponding control signal according to the operating current of each load, the control signal is used for the break-make for controlling the supply line between the power supply and each load.Pass through the technical scheme of the disclosure, by the operating current for monitoring each load, related safeguard procedures can be taken in time when short-circuit, the breaking abnormal conditions such as to half short circuit occurs in the supply line of each load, to ensure the Electrical Safety of each load, so that vehicle normal operation.
Description
Technical field
This disclosure relates to technical field of vehicle control, in particular it relates to a kind of power supply management device, method and vehicle.
Background technology
Due to the low-voltage of vehicle interior electrical equipment, large current load characteristic, in-car switching process is in supply line
Produce caused electromagnetic interference in many impulse disturbances, static discharge and other electronic device works.These interference sources pass through
Passing to influences the electronic equipment of vehicle interior installation with radiation two ways, electronic equipment overvoltage, excessively stream etc. is easily occurred different
Reason condition, so that electronic equipment can not normal work.Therefore, it is very must Electrical Safety protection to be carried out to vehicle electronic device
Want.
What the protection in correlation technique to vehicle electronic device Electrical Safety was mainly realized by insuring, when insurance plays
When effect, also imply that the abnormal conditions such as short circuit occurs in the supply line of electronic equipment.
The content of the invention
In order to overcome problem present in correlation technique, the disclosure provides a kind of power supply management device, method and vehicle.
According to the first aspect of the embodiment of the present disclosure, there is provided a kind of power supply management device, applied to vehicle, the vehicle bag
Power supply and multiple loads are included, the power supply management device includes：
Sampling module, connected respectively with the power supply and the multiple load, for gathering respectively in the multiple load
The operating current of each load；
Main control module, it is connected with the sampling module, it is corresponding for being generated according to the operating current of each load
Control signal, the control signal are used for the break-make for controlling the supply line between the power supply and each load.
Alternatively, the sampling module includes：Multiple current measuring elements and multiple load control submodules；
The main control module includes multiple sampling input interfaces and multiple control output interfaces；
The multiple current measuring element, the multiple load control submodule, the multiple sampling input interface, described
Multiple control output interfaces and the multiple load correspond；
The main control module is connected and led to the current measuring element of corresponding same load by sampling input interface
Control output interface is crossed to connect with the load control submodule of corresponding same load；
The current measuring element is used for the operating current for gathering corresponding load；
The load control submodule is used to control the power supply between power supply and corresponding load according to the control signal
The break-make of circuit.
Alternatively, the load control submodule includes：Relay；
One end of the current measuring element is connected with the power supply, the other end of the current measuring element respectively with institute
The first input end of relay is stated to connect with a sampling input interface of the main control module；
First output end of the relay connects with a load, the control terminal of the relay and the master control
One control output interface connection of module.
Alternatively, the sampling module also includes：
Insulating power supply submodule, one end are connected with the power supply, the other end respectively with the main control module, the multiple electricity
Detecting element and the multiple load control submodule connection are flowed, for the output voltage of the power supply to be converted into accordingly
Predeterminated voltage, the predeterminated voltage are used for the main control module, the multiple current measuring element and the multiple load
Control submodule is powered.
Alternatively, the sampling module also includes：
Filtering and overvoltage protection submodule, are connected with the power supply and the insulating power supply submodule, for filtering out respectively
Noise jamming in the output voltage, and when the output voltage exceedes predetermined voltage threshold, cut off the power supply with
Circuit between the insulating power supply submodule.
Alternatively, described device also includes：External communication interface module；
The sampling module, it is additionally operable to gather the output voltage of the power supply；
The main control module, it is additionally operable to generate corresponding power state information according to the output voltage, and according to institute
The operating current for stating each load generates the work state information of each load, by the power state information and described each
The work state information of individual load is sent to destination by the external communication interface module, so that the destination shows institute
State the work state information of power state information and each load.
Alternatively, described device also includes：
Clock module, it is connected with the main control module, for providing the standard time to the main control module；
The main control module, it is additionally operable to set the reference current scope of each load according to the standard time, with
And the control signal is generated according to the reference current scope of each load and the operating current of each load.
According to the second aspect of the embodiment of the present disclosure, there is provided a kind of vehicle, including power supply and multiple loads, the vehicle is also
The power supply management device that first aspect including the disclosure provides.
According to the third aspect of the embodiment of the present disclosure, there is provided a kind of power supply management method, applied to vehicle, the vehicle bag
Power supply and multiple loads are included, the power supply management method includes：
Obtain the operating current of each load in the multiple load；
Corresponding control signal is generated according to the operating current of each load, the control signal is described for controlling
The break-make of supply line between power supply and each load.
Methods described also includes：
Obtain the output voltage of the power supply；
Corresponding power state information, and the operating current according to each load are generated according to the output voltage
Generate the work state information of each load；
The work state information of the power state information and each load is sent to destination, for the mesh
End show the work state information of the power state information and each load.
Pass through above-mentioned technical proposal, can be in the supply line of each load by monitoring the operating current of each load
Occur taking related safeguard procedures in time during short-circuit, the breaking abnormal conditions such as to half short circuit, to ensure the electricity consumption of each load
Safety, so that vehicle normal operation.
Other feature and advantage of the disclosure will be described in detail in subsequent specific embodiment part.
Brief description of the drawings
Accompanying drawing is for providing further understanding of the disclosure, and a part for constitution instruction, with following tool
Body embodiment is used to explain the disclosure together, but does not form the limitation to the disclosure.In the accompanying drawings：
Fig. 1 is a kind of structural representation of power supply management device according to an exemplary embodiment；
Fig. 2 is a kind of structural representation of power supply management device according to another exemplary embodiment；
Fig. 3 is a kind of double contact pin pin arrangement schematic diagram according to an exemplary embodiment；
Fig. 4 is the schematic diagram of a kind of main control module and external communication interface according to an exemplary embodiment；
Fig. 5 is the structural representation of a kind of state instruction and keypad according to an exemplary embodiment；
Fig. 6 is a kind of schematic diagram of SWD interfaces according to an exemplary embodiment；
Fig. 7 is a kind of structural representation of vehicle according to an exemplary embodiment；
Fig. 8 is a kind of flow chart of power supply management method according to an exemplary embodiment；
Fig. 9 is a kind of flow chart of power supply management method according to another exemplary embodiment.
Embodiment
The embodiment of the disclosure is described in detail below in conjunction with accompanying drawing.It should be appreciated that this place is retouched
The embodiment stated is merely to illustrate and explained the disclosure, is not limited to the disclosure.
In the disclosure, vehicle can include car, car, cargo vehicle or special purpose vehicle etc..
Fig. 1 is a kind of structural representation of power supply management device according to an exemplary embodiment, wherein, the power supply
Managing device 100 is applied to vehicle, and the vehicle includes power supply 210 and multiple loads 220.As shown in figure 1, the power supply management device
100 include：Sampling module 110 and main control module 120.
The sampling module 110, it is connected respectively with power supply 210 and multiple loads 220, for gathering each load 220 respectively
Operating current.
The main control module 120, is connected with sampling module 110, corresponding for being generated according to the operating current of each load
Control signal, the control signal are used for the break-make for controlling the supply line between power supply 210 and each load.
In one embodiment, load 220 includes：On-vehicle information electronic equipment, such as vehicle-mounted guideboard, LED (Light
Emitting Diode, light emitting diode) display screen, TV, GPS (Global Positioning System, global satellite
Alignment system) etc..
In one embodiment, the operating current of each load collected is output to main control module by sampling module 110
120, main control module 120 will be carried out after the operating current progress analog-to-digital conversion of each load to the working condition of each load respectively
Judge and make corresponding response.
For example, when the operating current exception for some load that sampling module 110 collects, such as the work electricity of load 1
When stream is zero, the circuit breaker between power supply 210 and load 1 can determine that；Or when the operating current of load 1 exceeds predetermined current
During threshold value, it can determine that there occurs short circuit for load 1；Or when loading 1 operating current it is normal when and when being zero, can determine that negative
Carry 1 circuit between half short-circuit condition or the power supply 210 and load 1 and be in half short-circuit condition.It is main for case above
Control module 120 then exports corresponding control signal to sampling module 110, to control the deenergization 210 of sampling module 110 and load
Supply line between 1.
Thus, by monitoring the operating current of each load, short circuit, open circuit can occur in the supply line of each load
Related safeguard procedures are taken in time during to the abnormal conditions such as half short circuit, to ensure the Electrical Safety of each load, so that car
Normal operation.
Next, the modules in power supply management device 100 are specifically described respectively by multiple embodiments.
In one embodiment, as shown in Fig. 2 sampling module 110 includes：Multiple current measuring elements 111 and multiple negative
Control submodule 112 is carried, main control module 120 includes multiple sampling input interfaces and multiple control output interfaces.Wherein, Duo Ge electricity
Flow detecting element 111, multiple load control submodules 112, multiple sampling input interfaces, multiple control output interfaces and multiple
Corresponded between load 220；Main control module 120 is by sampling current measuring element of the input interface with corresponding same load
111 connect and by controlling output interface and the load control submodule 112 of corresponding same load to connect.
Current measuring element 111 is used for the operating current for gathering corresponding load；Load control submodule 112 is used for basis
The break-make of supply line between the control signal control power supply 210 of main control module 120 and corresponding load.
In one embodiment, the 2.54mm double contact pin of 20 pins can be passed through between sampling module 110 and main control module 120
It is connected, its arrangement schematic diagram is as shown in figure 3, corresponding pin definitions are as shown in table 1.
Table 1
Wherein, " ADn " represents the n-th tunnel sampling input interface, and " control n " represents the control output corresponding with " ADn " of the n-th tunnel
Interface.
In one embodiment, as shown in Fig. 2 load control submodule 112 includes relay.Wherein, current detecting member
One end of part 111 is connected with power supply 210, the other end of current measuring element 112 first input end with relay and master respectively
Control a sampling input interface connection of module 120；
First output end of relay connects with a load, the control terminal of relay and a control of main control module 120
Output interface connection processed.
The operating current for each load 220 that sampling module 110 gathers samples input by main control module 120 and connect accordingly
Mouth is exported to main control module 120, is carried out logic judgment after main control module 120 carries out analog-to-digital conversion and is made corresponding response.
For example, when detecting the operating current exception of certain load, by controlling the corresponding control of output interface output corresponding to the load
Supply line between signal deenergization and the load.
It should be noted that voltage reference source can be provided on main control module, stable voltage ginseng can be provided for analog-to-digital conversion
Examine, to improve A/D conversion accuracy.
On the one hand output is to relay after current measuring element 111 for the output voltage of power supply 210, by the first of relay
Output end output uses for corresponding load；On the other hand, export to main control module 120, powered for main control module 120.Meanwhile
The operating current of the collection load of current measuring element 111 is simultaneously exported to the corresponding sampling input interface of main control module 120, for master control
Module 120 is analyzed and handled.
In one embodiment, current measuring element is current transformer, negative by what is collected based on electromagnetic induction principle
Carry operating current and be converted into corresponding magnitude of voltage in real time, export the real-time prison for the electric power thus supplied that load is completed to main control module 120
Survey.
Relay is in normally off, and the supply line between power supply and corresponding load is in the conduction state, works as master control
Module 120 judges that the load occurs that abnormal (such as load cut-off, open circuit are short in half according to the operating current of corresponding load
Line state etc.) when, then export corresponding control signal and receive adhesive after control signal to relay, the control terminal of relay,
Circuit between its first input end and the first output end disconnects, so as to cut off the supply line between power supply and the load.
It should be noted that in embodiment of the disclosure, current transformer may be selected with stronger shielding and resist dry
The current transformer of immunity energy, because it is insensitive to extraneous changes of magnetic field, thus possesses good isolation effect.
Exported in addition, current value is converted to magnitude of voltage by current transformer, analog-to-digital conversion process is carried out for main control module, by
It is limited to the limitation such as relay, load supplying output interface, each current transformer is laid out on circuit boards more to be disperseed, and sensor is defeated
The circuit gone out to main control module is longer, and to avoid introducing interference in circuit, signal wire periphery is adjoint without All other routes, and with big electricity
Spread the perpendicular interleaved mode of line.
In one embodiment, as shown in Fig. 2 sampling module 110 also includes：Insulating power supply submodule 113.Wherein, every
One end from power supply submodule 113 is connected with power supply 210, the other end respectively with main control module 120 and each current measuring element
111 and load control submodule 112 connect, for the output voltage of power supply 210 to be converted into corresponding predeterminated voltage, with to
Main control module 120, each current measuring element 111 and load control submodule 112 are powered.
For example, the output voltage of power supply is 24V, 5V and 12V electricity are converted to after insulating power supply submodule 113
Pressure, wherein 5V voltage output to main control module 120, and 12V voltage exports to each current measuring element 111 respectively and
Load control submodule 112.
In another embodiment, as shown in Fig. 2 sampling module 110 also includes filtering and overvoltage protection submodule 114.
Wherein, filtering and overvoltage protection submodule 114 are connected with power supply 210 and insulating power supply submodule 120 respectively, for filtering out power supply
Noise jamming in 210 output voltage, and when output voltage exceedes predetermined voltage threshold (such as 36V), cut off the electricity supply 210 with
Circuit between insulating power supply submodule 113.This prevents interference and high pressure to seal in each current measuring element of main control module
And the rear end such as load control submodule causes to damage to it, improves the reliability of each circuit in power supply management device.
In another embodiment, as shown in Fig. 2 power supply management device 100 also includes：External communication interface module 130.
For example, main control module 120 as shown in Figure 4,20 pin 2.54mm connectors are provided with main control module 120, are used
30mm minute hands and rearwardly extraction and 4 mounting holes, in addition, main control module 120 is also associated with external communication interface module
130, including：The interface 132 of 10/100M Ethernet interfaces (such as RJ45 Ethernet interfaces) 131,485 and 133, CAN interface 134,
I2C and power interface 135 etc..Each interface can be drawn using the white terminal of 2.54mm spacing in external communication interface module 130
Go out.Main control module 120 can establish communication link by external communication interface module 130 and vehicle interior or other equipment
Connect.
It should be noted that 10/100M Ethernet interfaces are speed highest signal wires on main control module, sampling input and
Close proximity to length is consistent, and periphery is protected with floor file, to avoid with other signal wires simultaneously during control two pairs of signal line wirings of output
OK, wired consideration interface position when placing main control module, makes line as far as possible short.
Same principle is applied to CAN interface and 485 interfaces.
In addition, also a state instruction can be extended by the I2C on main control module 120 and power interface (134 in such as Fig. 4)
And keypad 140.As shown in figure 5, the state instruction and keypad 140 include multiple monochromatic indicator lamps 141, multiple double-colored instructions
Lamp 142 and multiple buttons 143, it is connected with main control module 120 by I2C interface 145, and is fixed on by 4 mounting holes 145
The relevant position of power supply management device 100.Wherein, the corresponding monochromatic indicator lamp of a load, a bi-colour LED and
One button, the work that monochromatic indicator lamp and bi-colour LED can load according to corresponding to the information instruction that main control module 120 exports
Make state, the instruction state of indicator lamp can be removed by button.Thus, display to load operation conditions and manually can be achieved
Control.
In an embodiment of the disclosure, sampling module 110, be additionally operable to gather power supply output voltage.
The output voltage of power supply 210 is exported and gives the sampling input accordingly of main control module 120 by sampling module 110 after isolation
Interface, the fluctuation situation of electric power output voltage is detected by main control module 120.
Main control module 120, it is additionally operable to generate corresponding power state information, Yi Jigen according to the output voltage of power supply 210
The work state information of each load is generated according to the operating current of each load, by power state information and the work of each load
Status information is sent to destination, so that destination shows the work state information of power state information and each load.
Alternatively, destination can include one of following or more persons：Vehicle-carrying display screen, monitor supervision platform and instruction
Lamp and keypad 140.For example, the output voltage of power supply 210 can generally reflect the situation of vehicle accumulator and generator, work as sampling
There is frequent fluctuation (fluctuation number exceedes preset times threshold value) in the input voltage that module 110 collects, fluctuating range exceedes in advance
If during amplitude threshold, main control module 120 can control vehicle-carrying display screen to show supply voltage abnormal information, and the driver and conductor of vehicle can
The abnormal information of the power supply is known by vehicle-carrying display screen；Meanwhile main control module 120 can also send supply voltage to monitor supervision platform
Abnormal information, so that background monitoring personnel understand the abnormal information of electric power output voltage and take corresponding measure in time.
When short circuit, short circuit occur for a certain load or during in half short-circuit condition, main control module 120 is by sampling module
The operating current of 110 loads collected carries out analysis and judges that the operating current of the load is abnormal, then controls car-mounted display
Screen shows the operating current abnormal information of the load, and the driver and conductor of vehicle can know the exception of the load by vehicle-carrying display screen
Information；Meanwhile main control module 120 can also send the abnormal information of the load to monitor supervision platform, so that background monitoring personnel are timely
Understand the operating current abnormal information of load and take corresponding measure.
Thus, abnormal letter is shown to driver and conductor and background monitoring personnel by the starting stage occurred in abnormal conditions
Breath, can make the abnormal information by driver and conductor and background monitoring personnel by it is a kind of it is visual in a manner of progressive see and take related
Inspection and safeguard procedures, to carry out malfunction elimination and detection early, realize the monitoring to each load of vehicle, ensureing vehicle just
Often operation.
In another embodiment, as shown in Fig. 2 power supply management device 100 also includes：Clock module 150.
Wherein, clock module 150, it is connected with main control module 120, for providing the standard time to main control module 120.
Main control module 120, it is additionally operable to set the reference current scope of each load according to the standard time, and according to each
The reference current scope of load and the operating current of each load generate corresponding control signal.
Because different periods of the operating current in different seasons, one day of detected each road load are likely to not
Together, the reference current scope of each load is set by reference to the standard time, according to the reference current scope of each load to negative
The working condition of load carries out judgement and can realized more becoming more meticulous to load supplying situation, more accurately judging.
In another embodiment, as shown in Fig. 2 power supply management device 100 also includes：Watchdog module 160.
Wherein, main control module 120 is additionally operable to send pulse signal, pulse signal to watchdog module at interval of preset duration
For removing the counting of watchdog module.
To prevent that main control module from crashing or other exceptions cause control logic to fail, main control module 120 is when default
It is long to send " feeding dog " pulse to watchdog module 160, watchdog module 160 is counted and reset, in terms of preventing watchdog module
Reset pulse is produced when number overflows and main control module 120 is resetted by force, so as to cause the mistake to load operating condition
Analysis.
In another embodiment, main control module 120 includes SWD interfaces.The schematic diagram of SWD interfaces is as shown in Figure 6.
The download and debugging of program can be realized by SWD interfaces, wherein, the program can be, for example, control sampling module
110 realize the program of corresponding function.The interface is more relatively reliable in high speed mode than the jtag interface in correlation technique.Counting greatly
In the case of according to amount, being downloaded by jtag interface to fail, but the probability for the failure that downloaded by SWD interfaces
Can be much smaller.Under normal circumstances, it is that can directly use SWD moulds in the case of using JTAG simulation models if emulator is supported
Formula.
Alternatively, SWD interfaces can be five-wire system interface, i.e. GND, SWDIO, SWCLK, nSRST and VCC；Under simplifying mode,
Tri- lines of GND, SWDIO and SWCLK can be used only.Wherein, in SWD interfaces as shown in Figure 6, TCK pin can be used as SWDIO
Pin, TCK pin can be used as SWCLK pins.
In another embodiment, as shown in Fig. 2 power supply management device 100 also includes memory module 170.
Memory module 170 can be the storage chip of 1M bytes, available for the historical data for preserving each road supply line.
It should be noted that in the disclosure, the external circuit such as all supplying power for outside, control and internal control, signal
Collection etc. is isolated using quarantine measures, to ensure the stability of power supply management device internal work.
Secondly, the collection for loaded work piece electric current, it is contemplated that the placement and conversion output electricity of current detection module
The anti-interference problem of flat signal wire.
When carrying out fabric swatch to power supply management device, to shorten based on load supplying line, load high current is reduced to it
Interference caused by his circuit, device.
The disclosure additionally provides a kind of vehicle, as shown in fig. 7, the vehicle 200 includes：The power supply pipe that above-described embodiment provides
Manage device 100, power supply 210, multiple load 220, CAN 230 and vehicle-carrying display screens 240 etc..
On the vehicle in above-described embodiment, wherein the concrete mode for the operation that modules perform is in the reality of correlation
Apply in example and be described in detail, explanation will be not set forth in detail herein.
Fig. 8 is a kind of flow chart of power supply management method according to an exemplary embodiment, wherein, this method application
In vehicle, the vehicle includes power supply and multiple loads.As shown in figure 8, the power supply management method comprises the following steps：
In step S801, the operating current of each load in multiple loads is obtained.
In step S802, corresponding control signal is generated according to the operating current of each load, control signal is used to control
The break-make of supply line between power supply processed and each load.
In another embodiment, as shown in figure 9, above-mentioned power supply management method also includes：
In step S803, the output voltage of power supply is obtained.
In step S804, corresponding power state information, and the work according to each load are generated according to output voltage
Make the work state information that electric current generates each load.
In step S805, the work state information of power state information and each load is sent to destination, for
Destination shows the work state information of power state information and each load.
On the power supply management method in above-described embodiment, wherein the embodiment of each step is hereinbefore
Power supply management device embodiment in be described in detail, explanation will be not set forth in detail herein.
The preferred embodiment of the disclosure is described in detail above in association with accompanying drawing, still, the disclosure is not limited to above-mentioned reality
The detail in mode is applied, in the range of the technology design of the disclosure, a variety of letters can be carried out to the technical scheme of the disclosure
Monotropic type, these simple variants belong to the protection domain of the disclosure.
Described otherwise above any process or method description can be by flow chart or in embodiment of the disclosure
It is interpreted as, represents the code for including the executable instruction of one or more the step of being used to realize specific logical function or process
Module, fragment or part, and the scope of disclosure embodiment includes other realization, wherein can not press it is shown or
The order of discussion, including according to involved function by it is basic simultaneously in the way of or in the opposite order, carry out perform function, this should
Those skilled in the art understand described in embodiment of the disclosure.
It is further to note that each particular technique feature described in above-mentioned embodiment, in not lance
In the case of shield, it can be combined by any suitable means.In order to avoid unnecessary repetition, the disclosure to it is various can
The combination of energy no longer separately illustrates.
In addition, it can also be combined between a variety of embodiments of the disclosure, as long as it is without prejudice to originally
Disclosed thought, it should equally be considered as disclosure disclosure of that.
Claims (10)
1. a kind of power supply management device, applied to vehicle, the vehicle includes power supply and multiple loads, it is characterised in that described
Device includes：
Sampling module, connected respectively with the power supply and the multiple load, it is each in the multiple load for gathering respectively
The operating current of load；
Main control module, it is connected with the sampling module, for generating corresponding control according to the operating current of each load
Signal, the control signal are used for the break-make for controlling the supply line between the power supply and each load.
2. power supply management device according to claim 1, it is characterised in that the sampling module includes：Multiple electric current inspections
Survey element and multiple load control submodules；
The main control module includes multiple sampling input interfaces and multiple control output interfaces；
The multiple current measuring element, the multiple load control submodule, the multiple sampling input interface, the multiple
Output interface and the multiple load is controlled to correspond；
The main control module connects and passed through control by sampling input interface with the current measuring element of corresponding same load
Output interface processed connects with the load control submodule of corresponding same load；
The current measuring element is used for the operating current for gathering corresponding load；
The load control submodule is used to control the supply line between power supply and corresponding load according to the control signal
Break-make.
3. power supply management device according to claim 2, it is characterised in that the load control submodule includes：Relay
Device；
One end of the current measuring element is connected with the power supply, the other end of the current measuring element respectively with it is described after
The first input end of electrical equipment connects with a sampling input interface of the main control module；
First output end of the relay connects with a load, the control terminal of the relay and the main control module
One control output interface connection.
4. power supply management device according to claim 2, it is characterised in that the sampling module also includes：
Insulating power supply submodule, one end are connected with the power supply, and the other end is examined with the main control module, the multiple electric current respectively
Element and the multiple load control submodule connection are surveyed, it is corresponding default for the output voltage of the power supply to be converted into
Voltage, the predeterminated voltage are used to control to the main control module, the multiple current measuring element and the multiple load
Submodule is powered.
5. power supply management device according to claim 4, it is characterised in that the sampling module also includes：
Filtering and overvoltage protection submodule, are connected with the power supply and the insulating power supply submodule respectively, described for filtering out
Noise jamming in output voltage, and when the output voltage exceedes predetermined voltage threshold, cut off the power supply with it is described
Circuit between insulating power supply submodule.
6. power supply management device according to claim 1, it is characterised in that described device also includes：External communication interface
Module；
The sampling module, it is additionally operable to gather the output voltage of the power supply；
The main control module, it is additionally operable to generate corresponding power state information according to the output voltage, and according to described each
The operating current of individual load generates the work state information of each load, by the power state information and described each negative
The work state information of load is sent to destination by the external communication interface module, so that the destination shows the electricity
Source status information and the work state information of each load.
7. power supply management device according to claim 1, it is characterised in that described device also includes：
Clock module, it is connected with the main control module, for providing the standard time to the main control module；
The main control module, it is additionally operable to set the reference current scope of each load, Yi Jigen according to the standard time
The control signal is generated according to the reference current scope of each load and the operating current of each load.
8. a kind of vehicle, including power supply and multiple loads, it is characterised in that the vehicle also includes any one of claim 1-7
Described power supply management device.
9. a kind of power supply management method, applied to vehicle, the vehicle includes power supply and multiple loads, it is characterised in that described
Method includes：
Obtain the operating current of each load in the multiple load；
Corresponding control signal is generated according to the operating current of each load, the control signal is used to control the power supply
The break-make of supply line between each load.
10. power supply management method according to claim 9, it is characterised in that methods described also includes：
Obtain the output voltage of the power supply；
Corresponding power state information is generated according to the output voltage, and generated according to the operating current of each load
The work state information of each load；
The work state information of the power state information and each load is sent to destination, for the destination
Show the work state information of the power state information and each load.
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