CN115514044A - Power supply control device - Google Patents
Power supply control device Download PDFInfo
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- CN115514044A CN115514044A CN202211168368.XA CN202211168368A CN115514044A CN 115514044 A CN115514044 A CN 115514044A CN 202211168368 A CN202211168368 A CN 202211168368A CN 115514044 A CN115514044 A CN 115514044A
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- Prior art keywords
- current
- module
- delay
- working mode
- unit
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/00032—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries characterised by data exchange
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/00032—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries characterised by data exchange
- H02J7/00038—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries characterised by data exchange using passive battery identification means, e.g. resistors or capacitors
- H02J7/00041—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries characterised by data exchange using passive battery identification means, e.g. resistors or capacitors in response to measured battery parameters, e.g. voltage, current or temperature profile
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/0047—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with monitoring or indicating devices or circuits
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/0063—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with circuits adapted for supplying loads from the battery
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Direct Current Feeding And Distribution (AREA)
Abstract
The invention provides a power supply control device, which comprises a current monitoring module, and a current threshold configuration module, a time delay module and a voltage input interface which are connected with the current monitoring module, wherein the current threshold configuration module is also connected with a working mode monitoring module, the time delay module and the voltage input interface are also connected with an output control module, and the output control module is also connected with an output mode control module. The invention realizes the intellectualization of the control of the working mode of the system power supply and improves the reliability of the product.
Description
Technical Field
The invention relates to the technical field of power supplies, in particular to a power supply control device.
Background
With the development of automotive electronics, more and more devices are mounted on the automobile. These devices all require power from an on-board battery. For example, for a vehicle-mounted infotainment system, a power amplifier is built in during the startup process or when audio is played at a large volume, and the current of the whole machine is too large due to short circuit caused by some reasons, so that potential safety hazards are caused.
In addition, after the ignition signal ACC is turned off when the vehicle is turned off, the vehicle-mounted device still generates standby current, and if the standby current is too large, the electric quantity of the vehicle-mounted storage battery is quickly exhausted, so that the vehicle cannot be normally started, and customer complaints are caused.
Therefore, it is necessary to control the power supply operating state of the in-vehicle device, optimize power supply control, and improve the reliability of the product.
Disclosure of Invention
The invention provides a power supply control device, which aims to overcome the defects in the prior art, realize the intellectualization of the control of the working mode of a system power supply and improve the reliability of a product.
In order to achieve the purpose, the technical scheme adopted by the invention is as follows:
the present invention provides a power supply control device, including: the device comprises a current monitoring module, and a current threshold configuration module, a time delay module and a voltage input interface which are connected with the current monitoring module, wherein the current threshold configuration module is also connected with a working mode monitoring module, the time delay module and the voltage input interface are also connected with an output control module, and the output control module is also connected with an output mode control module;
the voltage input interface is used for connecting the input voltage of the system;
the output mode control module is used for controlling the working mode of the system;
the working mode monitoring module is used for monitoring the current working mode of the system and sending a corresponding configuration signal to the current threshold configuration module;
the current threshold configuration module is used for configuring current thresholds in various working modes according to the configuration signal;
the current monitoring module is used for monitoring whether the current of the input voltage exceeds a set current threshold value in the current working mode;
the delay module is used for setting the delay time of output closing;
and the output control module is used for determining the mode of the output voltage according to the working mode and the delay time.
Further, the power supply control device further includes: the current abnormity feedback module is connected with the current monitoring module and is used for feeding back current abnormity information;
and the abnormal information recording module is connected with the current abnormal feedback module and is used for storing the current abnormal information.
Specifically, the abnormal information recording module is arranged outside the system.
Specifically, the output mode control module comprises a first working mode control unit and a second working mode control unit;
the first working mode control unit is used for controlling the system to work in a first working mode, a second working mode or a third working mode;
and the second working mode control unit is used for controlling the system to work in a transition working mode or a first working mode.
Specifically, when the first working mode unit receives the invalid level, the system works in a first working mode; when the level received by the first working mode unit is switched from the effective level to the ineffective level, the second working mode control unit outputs the effective level for a preset time length to enable the system to work in a transition working mode, and then the second working mode control unit outputs the ineffective level to enable the system to work in the first working mode.
Specifically, the current threshold configuration module includes a first current configuration unit, a second current configuration unit, and a third current configuration unit, and a first current threshold, a second current threshold, and a third current threshold corresponding to the first operating mode, the second operating mode, and the third operating mode are set by the first current configuration unit, the second current configuration unit, and the third current configuration unit, respectively.
Specifically, the first current configuration unit, the second current configuration unit, and the third current configuration unit are connected in parallel, the first current configuration unit is a branch circuit in which a resistor is connected to ground, the second current configuration unit is a branch circuit in which a second resistor and a second electronic switch are connected in series and then connected to ground, the third current configuration unit is a branch circuit in which a third resistor and a third electronic switch are connected in series and then connected to ground, and control terminals of the second electronic switch and the third electronic switch are connected to the second working signal interface and the third working signal interface, respectively.
Specifically, the delay module includes a first delay unit, a second delay unit, and a third delay unit, and is configured to respectively delay a first delay duration, a second delay duration, and a third delay duration when the current monitoring module monitors that the current of the system exceeds the first current threshold, the second current threshold, or the third current threshold.
Specifically, the first delay unit, the second delay unit and the third delay unit are capacitance delay circuits.
Specifically, the first delay duration, the second delay duration, and the third delay duration are sequentially decreased.
The invention has the beneficial effects that: the intelligent control system is provided with the current monitoring module, the current threshold value configuration module, the time delay module and the voltage input interface which are connected with the current monitoring module, the working mode monitoring module connected with the current threshold value configuration module, the output control module connected with the time delay module and the voltage input interface, and the output mode control module connected with the output control module, so that the working current of the system is monitored according to the working mode of the system, the intellectualization of the working mode control of the power supply of the system is realized, and the reliability of the product is improved.
Drawings
FIG. 1 is a schematic structural diagram of a power control apparatus according to the present invention;
fig. 2 is another structural schematic diagram of the power control device of the present invention.
Detailed Description
The embodiments of the present invention will be described in detail with reference to the accompanying drawings, which are for reference and illustrative purposes only and are not intended to limit the scope of the invention.
In the flow described in the specification, claims or drawings of the present invention, the serial numbers of the respective steps (e.g., steps 10, 20, etc.) are included for distinguishing the respective steps, and the serial numbers themselves do not represent any execution order. It should be noted that, the descriptions of "first", "second", etc. herein are only used for distinguishing the description objects, etc., and do not represent the order of precedence, nor indicate that "first", "second", etc. are of different types.
As shown in fig. 1, the present embodiment provides a power supply control device for monitoring an operating current of a system, including: the device comprises a current monitoring module, and a current threshold configuration module, a time delay module and a voltage input interface which are connected with the current monitoring module, wherein the current threshold configuration module is also connected with a working mode monitoring module, the time delay module and the voltage input interface are also connected with an output control module, and the output control module is also connected with an output mode control module;
the voltage input interface is used for connecting the input voltage of the system;
the output mode control module is used for controlling the working mode of the system;
the working mode monitoring module is used for monitoring the current working mode of the system and sending a corresponding configuration signal to the current threshold configuration module;
the current threshold configuration module is used for configuring current thresholds in various working modes according to the configuration signal;
the current monitoring module is used for monitoring whether the current of the input voltage exceeds a set current threshold value in the current working mode;
the delay module is used for setting the delay time of output closing;
and the output control module is used for determining the mode of the output voltage according to the working mode and the delay time.
In another embodiment of the present invention, as shown in fig. 2, the power control apparatus further includes: the current abnormity feedback module is connected with the current monitoring module and is used for feeding back current abnormity information;
and the abnormal information recording module is connected with the current abnormal feedback module and is used for storing the current abnormal information.
In this embodiment, the abnormal information recording module may be disposed inside the system, or may be disposed outside the system, and is preferably disposed outside the system.
In this embodiment, the output mode control module includes a first operating mode control unit and a second operating mode control unit;
the first working mode control unit is used for controlling the system to work in a first working mode, a second working mode or a third working mode;
and the second working mode control unit is used for controlling the system to work in a transition working mode or a first working mode.
In an implementation, when the first operation mode unit receives an invalid level (for example, a low level), the system operates in the first operation mode.
When the level received by the first working mode unit is switched from the active level to the inactive level, the second working mode control unit outputs the active level for a preset time (for example, 100 ms) to enable the system to work in the transition working mode, and then the second working mode control unit outputs the inactive level to enable the system to work in the first working mode.
In this embodiment, the working mode monitoring module includes a second working signal interface and a third working signal interface, and when the second working signal interface receives an active level (for example, a high level), the system works in a second working mode; when the second working signal interface and the third working signal interface both receive an active level (for example, a high level), the system works in a third working mode.
In this embodiment, the current threshold configuration module includes a first current configuration unit, a second current configuration unit, and a third current configuration unit, and a first current threshold, a second current threshold, and a third current threshold corresponding to the first operating mode, the second operating mode, and the third operating mode are set through the first current configuration unit, the second current configuration unit, and the third current configuration unit, respectively.
In this embodiment, the first current configuration unit, the second current configuration unit, and the third current configuration unit are connected in parallel, the first current configuration unit is a branch in which a resistor is connected to ground, the second current configuration unit is a branch in which a second resistor and a second electronic switch are connected in series and then connected to ground, the third current configuration unit is a branch in which a third resistor and a third electronic switch are connected in series and then connected to ground, and control terminals of the second electronic switch and the third electronic switch are connected to the second working signal interface and the third working signal interface, respectively.
In this embodiment, the delay module includes a first delay unit, a second delay unit, and a third delay unit, and is configured to respectively delay a first delay duration, a second delay duration, and a third delay duration when the current monitoring module monitors that the current of the system exceeds the first current threshold, the second current threshold, or the third current threshold.
In this embodiment, the first delay unit, the second delay unit, and the third delay unit are capacitor delay circuits.
In this embodiment, the first delay duration, the second delay duration, and the third delay duration are sequentially decreased.
The above disclosure is only for the purpose of illustrating the preferred embodiments of the present invention and should not be taken as limiting the scope of the present invention.
Claims (10)
1. A power control device for monitoring the operating current of a system, comprising: the current monitoring module, the current threshold configuration module, the delay module and the voltage input interface which are connected with the current monitoring module, wherein the current threshold configuration module is also connected with the working mode monitoring module, the delay module and the voltage input interface are also connected with the output control module, and the output control module is also connected with the output mode control module;
the voltage input interface is used for connecting the input voltage of the system;
the output mode control module is used for controlling the working mode of the system;
the working mode monitoring module is used for monitoring the current working mode of the system and sending a corresponding configuration signal to the current threshold configuration module;
the current threshold configuration module is used for configuring current thresholds in various working modes according to the configuration signal;
the current monitoring module is used for monitoring whether the current of the input voltage exceeds a set current threshold value in the current working mode;
the delay module is used for setting delay time for closing output;
and the output control module is used for determining the mode of the output voltage according to the working mode and the delay time.
2. The power supply control device according to claim 1, characterized by further comprising: the current abnormity feedback module is connected with the current monitoring module and is used for feeding back current abnormity information;
and the abnormal information recording module is connected with the current abnormal feedback module and is used for storing the current abnormal information.
3. The power supply control device according to claim 2, wherein the abnormality information recording module is provided outside the system.
4. The power control device according to claim 1, wherein the output mode control module includes a first operation mode control unit, a second operation mode control unit;
the first working mode control unit is used for controlling the system to work in a first working mode, a second working mode or a third working mode;
and the second working mode control unit is used for controlling the system to work in a transition working mode or a first working mode.
5. The power control device of claim 4, wherein the system operates in the first operating mode when the first operating mode unit receives the disable level; when the level received by the first working mode unit is switched from the effective level to the ineffective level, the second working mode control unit outputs the effective level for a preset time length to enable the system to work in a transition working mode, and then the second working mode control unit outputs the ineffective level to enable the system to work in the first working mode.
6. The power control device according to claim 1, wherein the current threshold configuration module includes a first current configuration unit, a second current configuration unit, and a third current configuration unit, and a first current threshold, a second current threshold, and a third current threshold corresponding to the first operation mode, the second operation mode, and the third operation mode are set by the first current configuration unit, the second current configuration unit, and the third current configuration unit, respectively.
7. The power control device according to claim 6, wherein the first current configuration unit, the second current configuration unit, and the third current configuration unit are connected in parallel, the first current configuration unit is a branch in which a resistor is connected to ground, the second current configuration unit is a branch in which a second resistor and a second electronic switch are connected in series and then connected to ground, the third current configuration unit is a branch in which a third resistor and a third electronic switch are connected in series and then connected to ground, and control terminals of the second electronic switch and the third electronic switch are connected to the second operating signal interface and the third operating signal interface, respectively.
8. The power control device according to claim 1, wherein the delay module comprises a first delay unit, a second delay unit and a third delay unit, and is configured to delay a first delay duration, a second delay duration and a third delay duration when the current monitoring module monitors that the current of the system exceeds the first current threshold, the second current threshold or the third current threshold.
9. The power control device of claim 8, wherein the first delay unit, the second delay unit and the third delay unit are capacitor delay circuits.
10. The power control device of claim 9, wherein the first delay period, the second delay period, and the third delay period sequentially decrease.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211168368.XA CN115514044A (en) | 2022-09-24 | 2022-09-24 | Power supply control device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211168368.XA CN115514044A (en) | 2022-09-24 | 2022-09-24 | Power supply control device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN115514044A true CN115514044A (en) | 2022-12-23 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202211168368.XA Pending CN115514044A (en) | 2022-09-24 | 2022-09-24 | Power supply control device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN115514044A (en) |
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2022
- 2022-09-24 CN CN202211168368.XA patent/CN115514044A/en active Pending
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