CN111630949B - Intelligent power supply control method - Google Patents
Intelligent power supply control method Download PDFInfo
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- CN111630949B CN111630949B CN201318009791.0A CN201318009791A CN111630949B CN 111630949 B CN111630949 B CN 111630949B CN 201318009791 A CN201318009791 A CN 201318009791A CN 111630949 B CN111630949 B CN 111630949B
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- power supply
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Abstract
The invention discloses an intelligent power supply control method, belonging to the technical field of vehicle-mounted power supply control systems, and comprising the following steps: firstly, 220V alternating current is connected to a vehicle-mounted power supply through an alternating current power supply controller, the vehicle-mounted power supply is connected with the vehicle-mounted power supply controller, the vehicle-mounted power supply controller is divided into a plurality of tree-shaped branch power supply lines, and each branch supplies power to electric equipment of one subsystem; measuring points are arranged in the alternating current power supply controller, the vehicle-mounted power supply controller, the root of the tree-shaped branch power supply line and the front end of each electric device, and each measuring point uses the power supply management device to measure the voltage or the current value; when the measured value exceeds the safe electricity utilization threshold value, the power management device carries out power-off protection on the measuring point and carries out power failure alarm; judging the power failure alarm by using a fourth power management device, and judging which type of power failure is the current power failure; and maintaining the corresponding electric equipment or power supply circuit according to the judgment result.
Description
Technical Field
The invention belongs to the technical field of vehicle-mounted power supply control systems, and particularly relates to an intelligent power supply control method.
Background
With the development of information technology, the increase of vehicle-mounted equipment and the requirement on a vehicle-mounted power supply are increased continuously, the management of the power supply is controlled by the initial single power-on, and the power-on management system becomes a whole set of power supply management system for power-on control, protection and vehicle-mounted storage battery charging management of electric equipment.
For a station yard system, in order to improve the guarantee capability of equipment, when the system runs and power failure occurs to electric equipment in the system, the position and reason of the power failure can be diagnosed, and corresponding failure states are recorded, so that the system can analyze and locate the failure conveniently, and the maintenance speed of each electric equipment is accelerated. The prior art has not been able to meet the above requirements.
Disclosure of Invention
In view of the above, the present invention provides an intelligent power control method, which can diagnose the location and cause of a power failure when the power failure occurs in a power device or a line, and record the corresponding failure state, thereby facilitating the analysis and positioning of the system, increasing the maintenance speed of each power device, and improving the guarantee capability of battlefield equipment.
In order to achieve the purpose, the technical scheme of the invention is as follows: an intelligent power control method comprises the following steps:
the method comprises the steps that firstly, 220V alternating current is connected to the input end of a vehicle-mounted power supply through an alternating current power supply controller, the output end of the vehicle-mounted power supply supplies power to a system through the vehicle-mounted power supply controller, power utilization equipment in the system is divided into n subsystems according to functions, and the power utilization equipment belonging to the same subsystem is divided into the same tree-shaped branch power lines through the vehicle-mounted power supply controller to supply power.
Step two, measuring point arrangement, which comprises four types of measuring points:
the first type measuring point is positioned in the alternating current power supply controller, and a first power supply management device is arranged on the first type measuring point and used for detecting the voltage of 220V alternating current;
the second type of measuring points are positioned in the vehicle-mounted power supply controller, and a second power supply management device is arranged on the second type of measuring points and used for detecting the voltage of the output end of the vehicle-mounted power supply;
the third kind of measuring points are positioned at the connecting part of the power controller and the tree-shaped branch power lines, and a third power management device is arranged on the third kind of measuring points and is used for detecting the total voltage and the total current on each tree-shaped branch power line:
the fourth type measuring points are positioned at the front end of each piece of electric equipment, and a fourth power management device is arranged on the fourth type measuring points and used for detecting the electric voltage and current of the electric equipment;
respectively obtaining the measured values of the first power management device, the second power management device, the third power management device and the fourth power management device, and setting a safe electricity utilization gate threshold value corresponding to each type of measured values;
comparing and judging the measured value with a corresponding safety power utilization threshold value; and if the measured value exceeds the safe electricity utilization threshold value, the power management device performs power-off protection on the measuring point and performs power failure alarm.
Step four, judging the power failure alarm by using a fourth power management device, and outputting a judgment result:
A. if only one fourth type measuring point has power failure alarm, the judgment result is as follows: at the moment, the power failure is the power failure of the electric equipment;
B. if all the fourth measuring points on one tree-shaped branch power line have power failure alarm, and the third measuring point at the joint of the tree-shaped branch power line and the power controller has power failure alarm, but the second measuring point has no power failure alarm, the judgment result is as follows: at the moment, the power failure is a subsystem line failure;
C. if all the fourth measuring points on all the tree-shaped branch power lines have power failure alarm, the third measuring point at the joint of the tree-shaped branch power line and the power controller has power failure alarm, and the second measuring point has power failure alarm, the judgment result is as follows: at the moment, the power failure is the power output end failure;
D. if the first type of measuring point has power failure alarm, the judgment result is as follows: the power failure is now an external ac input failure.
And step five, according to the output judgment result, the corresponding electric equipment or the power supply circuit can be maintained.
Has the advantages that:
the invention provides an intelligent power supply control method, which is characterized in that a measuring point is arranged at a power utilization node of a system, a power supply management device is used for measuring the voltage or current value at the measuring point and comparing the voltage or current value with a safe power utilization threshold value, so that when electric equipment or a line fails, a fault alarm can be timely sent out, and a fault alarm can be timely sent out according to the fault alarm
Drawings
Fig. 1 is a schematic diagram of a system structure of an intelligent power control method.
Detailed Description
The invention is described in detail below by way of example with reference to the accompanying drawings.
The invention provides an intelligent power supply control method, which comprises the following steps:
the method comprises the following steps that firstly, 220V alternating current is connected to an input end of a vehicle-mounted power supply through an alternating current power supply controller, an output end of the vehicle-mounted power supply supplies power to a system through the vehicle-mounted power supply controller, and the vehicle-mounted power supply converts the 220V alternating current into 24V direct current to supply power.
The electric equipment in the system is divided into n subsystems according to functions, and the electric equipment belonging to the same subsystem is divided into the same tree-shaped branch power line by the vehicle-mounted power controller for power supply.
In this embodiment, the system is divided into: an information subsystem, a communication subsystem, a viewing subsystem and a lifting subsystem.
The concrete structure is shown in figure 1.
Step two, measuring point arrangement, which comprises three types of measuring points:
the first type measuring point is positioned in the alternating current power supply controller, and a first power supply management device is arranged on the first type measuring point and used for detecting the voltage of 220V alternating current;
the second type of measuring points are positioned in the vehicle-mounted power supply controller, and a second power supply management device is arranged on the second type of measuring points and used for detecting the voltage of the output end of the vehicle-mounted power supply;
the third type of measuring points are positioned at the connecting part of the vehicle-mounted power controller and the tree-shaped branch power lines, and a third power management device is arranged on the third type of measuring points and used for detecting the total voltage and the total current on each tree-shaped branch power line:
the fourth type measuring points are positioned at the front end of each piece of electric equipment, and a fourth power management device is arranged on the fourth type measuring points and used for detecting the electric voltage and current of the electric equipment;
respectively obtaining the measured values of the first power management device, the second power management device, the third power management device and the fourth power management device, and setting a safe electricity utilization gate threshold value corresponding to each type of measured values;
comparing and judging the measured value with a corresponding safety power utilization threshold value; and if the measured value exceeds the safe electricity utilization threshold value, the power management device performs power-off protection on the measuring point and performs power failure alarm.
The set safe electricity utilization threshold value can ensure the electricity utilization safety of the electric equipment and the line, and when faults such as overvoltage, overcurrent and short circuit occur, the power supply can be cut off rapidly to protect the line and the equipment.
The first, second, third and fourth power management devices report related fault information through the CAN bus.
Step four, judging the power failure alarm by using a fourth power management device, and outputting a judgment result:
A. if only one fourth type of measuring point has a power failure alarm, it can be judged that the electric equipment corresponding to the fourth type of measuring point has a failure, and the judgment result is as follows: at the moment, the power failure is the power failure of the electric equipment;
B. if all the fourth measuring points on one tree-shaped branch power line have power failure alarm, and the third measuring points at the joint of the tree-shaped branch power line and the vehicle-mounted power controller have power failure alarm, but the second measuring points have no power failure alarm, the fact that the output end of the vehicle-mounted power supply has no fault indicates that the circuit of the subsystem has fault, therefore, the judgment result is as follows: at the moment, the power failure is a subsystem line failure;
C. if all the fourth measuring points on all the tree-shaped branch power lines have power failure alarm, and the third measuring points at the joint of the tree-shaped branch power lines and the vehicle-mounted power controller have power failure alarm, and the second measuring points have power failure alarm, the output end of the vehicle-mounted power supply is in failure, and the judgment result is as follows: at the moment, the power failure is the power output end failure;
D. if the first type of measuring point has power failure alarm, the judgment result is as follows: at the moment, the circuit fault is an external alternating current input fault;
and step five, maintaining the electric equipment or the power circuit according to the judgment result of the step four.
In summary, the above description is only a preferred embodiment of the present invention, and is not intended to limit the scope of the present invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (2)
1. An intelligent power control method is characterized by comprising the following steps:
firstly, connecting 220V alternating current to the input end of a vehicle-mounted power supply through an alternating current power supply controller, supplying power to a system through the output end of the vehicle-mounted power supply controller, dividing power utilization equipment in the system into n subsystems according to functions, and dividing the power utilization equipment belonging to the same subsystem into the same tree-shaped branch power supply line for power supply through the vehicle-mounted power supply controller;
step two, measuring point arrangement, which comprises four types of measuring points:
the first type measuring point is positioned in the alternating current power supply controller, and a first power supply management device is arranged on the first type measuring point and used for detecting the voltage of 220V alternating current;
the second type of measuring points are positioned in the vehicle-mounted power supply controller, and a second power supply management device is arranged on the second type of measuring points and used for detecting the voltage of the output end of the vehicle-mounted power supply;
a third type of measuring point is positioned at the connecting part of the power controller and the tree-shaped branch power line, and a third power management device is arranged on the third type of measuring point and is used for detecting the total voltage and the total current on each tree-shaped branch power line;
the fourth type measuring points are positioned at the front end of each piece of electric equipment, and a fourth power management device is arranged on the fourth type measuring points and used for detecting the electric voltage and current of the electric equipment;
respectively obtaining the measured values of the first power management device, the second power management device, the third power management device and the fourth power management device, and setting a safe electricity utilization gate threshold value corresponding to each type of measured values;
comparing and judging the measured value with a corresponding safety power utilization threshold value; if the measured value exceeds the safe electricity utilization threshold value, the power management device carries out power-off protection on the measuring point and carries out power failure alarm;
step four, judging the power failure alarm by using a fourth power management device, and outputting a judgment result:
A. if only one fourth type measuring point has power failure alarm, the judgment result is as follows: at the moment, the power failure is the power failure of the electric equipment;
B. if all the fourth measuring points on one tree-shaped branch power line have power failure alarm, and the third measuring point at the joint of the tree-shaped branch power line and the power controller has power failure alarm, but the second measuring point has no power failure alarm, the judgment result is as follows: at the moment, the power failure is a subsystem line failure;
C. if all the fourth measuring points on all the tree-shaped branch power lines have power failure alarm, the third measuring point at the joint of the tree-shaped branch power line and the power controller has power failure alarm, and the second measuring point has power failure alarm, the judgment result is as follows: at the moment, the power failure is the power output end failure;
D. if the first type of measuring point has power failure alarm, the judgment result is as follows: at the moment, the power supply fault is an external alternating current input fault;
and step five, maintaining the corresponding electric equipment or power supply circuit according to the output judgment result.
2. An intelligent power control method as claimed in claim 1, wherein said n subsystems include an information subsystem, a communication subsystem, a viewing subsystem and a lifting subsystem.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201318009791.0A CN111630949B (en) | 2013-12-31 | 2013-12-31 | Intelligent power supply control method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201318009791.0A CN111630949B (en) | 2013-12-31 | 2013-12-31 | Intelligent power supply control method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111630949B true CN111630949B (en) | 2015-12-09 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201318009791.0A Expired - Fee Related CN111630949B (en) | 2013-12-31 | 2013-12-31 | Intelligent power supply control method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111630949B (en) |
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2013
- 2013-12-31 CN CN201318009791.0A patent/CN111630949B/en not_active Expired - Fee Related
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| Date | Code | Title | Description |
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| GR03 | Grant of secret patent right | ||
| GRSP | Grant of secret patent right | ||
| DC01 | Secret patent status has been lifted | ||
| DC01 | Secret patent status has been lifted | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20151209 Termination date: 20201231 |
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| CF01 | Termination of patent right due to non-payment of annual fee |