CN112383101A - Charging control method and system for ground wire electricity taking - Google Patents
Charging control method and system for ground wire electricity taking Download PDFInfo
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- CN112383101A CN112383101A CN202011170804.8A CN202011170804A CN112383101A CN 112383101 A CN112383101 A CN 112383101A CN 202011170804 A CN202011170804 A CN 202011170804A CN 112383101 A CN112383101 A CN 112383101A
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- 230000005611 electricity Effects 0.000 title claims abstract description 29
- 238000000034 method Methods 0.000 title claims abstract description 23
- 238000004590 computer program Methods 0.000 claims description 6
- 230000002035 prolonged effect Effects 0.000 abstract description 4
- 238000012806 monitoring device Methods 0.000 description 8
- 230000000875 corresponding effect Effects 0.000 description 6
- 230000005540 biological transmission Effects 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000004870 electrical engineering Methods 0.000 description 1
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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
- H02J7/007—Regulation of charging or discharging current or voltage
- H02J7/00712—Regulation of charging or discharging current or voltage the cycle being controlled or terminated in response to electric parameters
- H02J7/00714—Regulation of charging or discharging current or voltage the cycle being controlled or terminated in response to electric parameters in response to battery charging or discharging current
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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
- H02J7/0029—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with safety or protection devices or circuits
- H02J7/00302—Overcharge protection
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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
- H02J7/0048—Detection of remaining charge capacity or state of charge [SOC]
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
The invention discloses a charging control method and a charging control system for ground wire electricity taking, which are characterized in that whether a storage battery needs to be charged or not is judged by collecting a residual electric quantity value of the storage battery of a ground wire electricity taking device according to the residual electric quantity value; when the storage battery needs to be charged, collecting a charging current value input to the storage battery; and comparing the charging current value with a preset charging current threshold value, and judging whether the charging current needs to be adjusted according to a comparison result, so that the overcharge of the storage battery is prevented, and the service life of the storage battery is prolonged.
Description
Technical Field
The invention relates to the technical field of electrical engineering, in particular to a charging control method and system for ground wire electricity taking.
Background
With the application of more and more transmission line on-line monitoring devices, the power supply of the on-line monitoring devices becomes a more and more concerned problem. The traditional power supply mode of the on-line monitoring device adopts the combination of a storage battery and a solar cell panel, the solar energy is greatly influenced by electricity, the power supply reliability is poor, and the electric quantity acquired by the solar energy is limited, so that the electric quantity demand of the on-line monitoring device is difficult to meet. The ground wire electricity taking can realize continuous electric energy extraction from the overhead ground wire of the high-voltage transmission line, is not influenced by weather factors, can be continuous, and can meet the power consumption requirement of the on-line monitoring device, and the extracted electric energy is considerable. However, the power-taking power obtained by the power-taking device often cannot directly drive the on-line monitoring device to operate, and the power-taking power still needs to be combined with the storage battery to supply power to the on-line monitoring device. The ground wire electricity taking device plays a role in continuously charging the storage battery.
In most cases, the ground wire electricity taking device and the storage battery form a power supply system of the online monitoring device, and the ground wire electricity taking device charges the storage battery to supplement the electric quantity of the storage battery. The on-line energy-taking system continuously extracts electric energy from the ground wire in 7-24 hours on line, and the extracted electric energy is continuously charged to the storage battery, so that the storage battery is easily overcharged, the service life of the storage battery is influenced, and even serious accidents such as storage battery explosion and the like can be caused.
Disclosure of Invention
The invention provides a charging control method and a charging control system for ground wire electricity taking, which are used for solving the technical problem that the service life of a storage battery is shortened due to the fact that the storage battery of an existing ground wire electricity taking device is overcharged.
In order to solve the technical problems, the technical scheme provided by the invention is as follows:
a charging control method for ground wire electricity taking comprises the following steps:
acquiring a residual electric quantity value of a storage battery of the ground wire electricity taking device, and judging whether the storage battery needs to be charged according to the residual electric quantity value;
when the storage battery needs to be charged, collecting a charging current value input to the storage battery; and comparing the charging current value with a preset charging current threshold value, and judging whether the charging current needs to be adjusted according to a comparison result.
Preferably, the method for judging whether the storage battery needs to be charged according to the residual electric quantity value comprises the following steps:
and comparing the residual electric quantity value with a preset residual electric quantity threshold, and judging that the storage battery needs to be charged when the residual electric quantity value is smaller than the residual electric quantity threshold.
Preferably, the determining whether the charging current needs to be adjusted according to the comparison result includes the following steps:
and when the charging current value is larger than the preset charging current threshold value, adjusting the charging current value to be smaller than the charging current threshold value.
Preferably, the adjusting the charging current value to be smaller than the charging current threshold value includes the steps of:
and comparing the residual electric quantity value with a plurality of current threshold intervals which are smaller than the charging current threshold and do not coincide with each other, and adjusting the charging current to a preset optimal electric quantity interval corresponding to the current threshold interval when the residual electric quantity value is positioned in any current threshold interval.
Preferably, the preferred electric quantity intervals correspond to the current threshold intervals one by one, and the preferred electric quantity intervals are not overlapped; and the lower limit value of the current threshold interval is larger, the lower limit value of the corresponding preferred electric quantity interval is smaller.
Preferably, the adjustment of the charging current is realized by adjusting a controllable resistor or a stepping switch arranged between the storage battery and the charging current source terminal.
A computer system comprising a memory, a processor and a computer program stored on the memory and executable on the processor, the processor implementing the steps of any of the methods described above when executing the computer program.
The invention has the following beneficial effects:
according to the charging control method and the charging control system for the ground wire electricity taking, disclosed by the invention, whether the storage battery needs to be charged or not is judged by collecting the residual electric quantity value of the storage battery of the ground wire electricity taking device according to the residual electric quantity value; when the storage battery needs to be charged, collecting a charging current value input to the storage battery; and comparing the charging current value with a preset charging current threshold value, and judging whether the charging current needs to be adjusted according to a comparison result, so that the overcharge of the storage battery is prevented, and the service life of the storage battery is prolonged.
In addition to the objects, features and advantages described above, other objects, features and advantages of the present invention are also provided. The present invention will be described in further detail below with reference to the accompanying drawings.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this application, illustrate embodiments of the invention and, together with the description, serve to explain the invention and not to limit the invention. In the drawings:
fig. 1 is a flowchart of a charging control method for ground wire power taking in a preferred embodiment of the present invention;
fig. 2 is a schematic configuration diagram of a charging control system for ground wire power take in a preferred embodiment of the present invention;
the figure is marked with:
1. a ground wire electricity taking device; 2. an execution module; 3. a power-taking current acquisition module; 4. a control module; 5. a storage battery; 6. and an electric quantity acquisition module.
Detailed Description
The embodiments of the invention will be described in detail below with reference to the drawings, but the invention can be implemented in many different ways as defined and covered by the claims.
The first embodiment is as follows:
as shown in fig. 1, the present embodiment discloses a charging control method for ground wire power taking, which includes the following steps:
acquiring a residual electric quantity value of a storage battery 5 of the ground wire electricity taking device 1, and judging whether the storage battery 5 needs to be charged according to the residual electric quantity value;
when the storage battery 5 is judged to need to be charged, collecting a charging current value input to the storage battery 5; and comparing the charging current value with a preset charging current threshold value, and judging whether the charging current needs to be adjusted according to a comparison result.
Wherein, judge whether battery 5 needs to charge according to the residual electric quantity value, including the following step:
and comparing the residual electric quantity value with a preset residual electric quantity threshold, and judging that the storage battery 5 needs to be charged when the residual electric quantity value is smaller than the residual electric quantity threshold.
Wherein, judge whether need to adjust the charging current according to the comparative result, including the following steps:
and when the charging current value is larger than the preset charging current threshold value, adjusting the charging current value to be smaller than the charging current threshold value.
Wherein, adjust the charging current value to be less than the charging current threshold value, including the following steps:
and comparing the residual electric quantity value with a plurality of current threshold intervals which are smaller than the charging current threshold and do not coincide with each other, and adjusting the charging current to a preset optimal electric quantity interval corresponding to the current threshold interval when the residual electric quantity value is positioned in any current threshold interval.
The preferred electric quantity intervals correspond to the current threshold intervals one by one, and the preferred electric quantity intervals are not overlapped; and the lower limit value of the current threshold interval is larger, the lower limit value of the corresponding preferred electric quantity interval is smaller.
Wherein, the adjustment of the charging current is realized by adjusting a controllable resistor or a stepping switch arranged between the storage battery 5 and the charging current source terminal.
In addition, in the embodiment, a computer system is also disclosed, which includes a memory, a processor, and a computer program stored on the memory and executable on the processor, and when the processor executes the computer program, the steps of any one of the methods described above are implemented.
The charging control method and the charging control system for ground wire electricity taking are characterized in that the residual electric quantity value of the storage battery 5 of the ground wire electricity taking device 1 is collected, and whether the storage battery 5 needs to be charged or not is judged according to the residual electric quantity value; when the storage battery 5 is judged to need to be charged, collecting a charging current value input to the storage battery 5; and comparing the charging current value with a preset charging current threshold value, and judging whether the charging current needs to be adjusted according to a comparison result, so that the overcharge of the storage battery 5 is prevented, and the service life of the storage battery 5 is prolonged.
Example two:
referring to fig. 2, a charging control device for ground wire power taking includes a power taking current collection module 3, an electric quantity collection module 6, a control module 4, and an execution module 2. The power-taking current acquisition module 3 is respectively connected with the ground wire power-taking device 1 and the control module 4 and is used for acquiring the magnitude of the charging current extracted by the ground wire power-taking device 1. The storage battery electric quantity acquisition module 6 is connected with the storage battery 5 and the control module 4 and is used for acquiring the electric quantity of the storage battery 5. The execution module 2 is connected with the ground wire electricity taking device 1 and the control module 4 and is used for executing corresponding actions according to instructions sent by the control module.
In addition, the corresponding action is executed according to the instruction sent by the control module, and the method comprises the following steps:
(1) the power taking current acquisition module 3 reads the charging current of the ground wire power taking device 1, the charging current value is 4A, and the charging current is transmitted to the control module;
(2) the electric quantity acquisition module reads the residual electric quantity value of the storage battery 5, the residual electric quantity value is 40%, and the residual electric quantity value is transmitted to the control module 4;
(3) the control module 4 calculates the received data, and according to a preset judgment logic, in this embodiment, the charging current threshold is 3A, that is, the maximum allowable charging current of the storage battery is 3A, and the magnitude of the charging current needs to be controlled, and an instruction is sent to the execution module 2.
(4) The execution module 2 is switched to a gear with a larger resistance so as to realize that the charging current does not exceed 3A.
The method continuously circulates the steps, when the electric quantity of the storage battery 5 reaches 95%, the execution module 2 is switched to the gear with larger resistance, and the storage battery 5 is charged with smaller charging current.
When the electric quantity of the storage battery 5 reaches 100%, the execution module 2 is switched to a disconnection gear, the charging current is disconnected, and the storage battery 5 is not charged continuously.
When the electric quantity of the storage battery 5 is lower than 95%, the execution module 2 is switched to a gear with a larger resistance again, and the storage battery 5 is restored to be charged with a smaller charging current.
In summary, according to the charge control method and system for ground wire electricity taking of the present invention, the residual electric quantity value of the storage battery 5 of the ground wire electricity taking device 1 is collected, and whether the storage battery 5 needs to be charged is judged according to the residual electric quantity value; when the storage battery 5 is judged to need to be charged, collecting a charging current value input to the storage battery 5; and comparing the charging current value with a preset charging current threshold value, and judging whether the charging current needs to be adjusted according to a comparison result, so that the overcharge of the storage battery 5 is prevented, and the service life of the storage battery 5 is prolonged.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. 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 (7)
1. A charging control method for ground wire electricity taking is characterized by comprising the following steps:
acquiring a residual electric quantity value of a storage battery of a ground wire electricity taking device, and judging whether the storage battery needs to be charged according to the residual electric quantity value;
when the storage battery is judged to need to be charged, the charging current value input to the storage battery is collected, the charging current value is compared with a preset charging current threshold value, and whether the charging current needs to be adjusted or not is judged according to a comparison result.
2. The charge control method for ground wire electricity taking according to claim 1, wherein judging whether the storage battery needs to be charged according to the residual electric quantity value comprises the following steps:
and comparing the residual electric quantity value with a preset residual electric quantity threshold, and judging that the storage battery needs to be charged when the residual electric quantity value is smaller than the residual electric quantity threshold.
3. The charge control method for ground wire electricity taking according to claim 2, wherein judging whether the charging current needs to be adjusted according to the comparison result comprises the following steps:
and when the charging current value is larger than a preset charging current threshold value, adjusting the charging current value to be smaller than the charging current threshold value.
4. The charge control method for ground wire electricity taking according to claim 3, wherein the step of adjusting the charging current value to be smaller than the charging current threshold value comprises the steps of:
and comparing the residual electric quantity values with a plurality of current threshold intervals which are smaller than the charging current threshold and do not coincide with each other, and adjusting the charging current to a preset optimal electric quantity interval corresponding to the current threshold interval when the residual electric quantity values are positioned in any current threshold interval.
5. The charging control method for ground wire electricity taking according to claim 4, wherein the preferred electric quantity intervals correspond to the current threshold intervals one to one, and the preferred electric quantity intervals do not overlap; and the lower limit value of the current threshold interval is larger, the lower limit value of the corresponding preferred electric quantity interval is smaller.
6. The charge control method for ground wire power taking according to claim 5, wherein adjusting the charging current is implemented by adjusting a controllable resistor or a step switch provided between the storage battery and the charging current source terminal.
7. A computer system comprising a memory, a processor and a computer program stored on the memory and executable on the processor, wherein the steps of the method of any one of claims 1 to 6 are performed when the computer program is executed by the processor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011170804.8A CN112383101A (en) | 2020-10-28 | 2020-10-28 | Charging control method and system for ground wire electricity taking |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011170804.8A CN112383101A (en) | 2020-10-28 | 2020-10-28 | Charging control method and system for ground wire electricity taking |
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| CN112383101A true CN112383101A (en) | 2021-02-19 |
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| CN202011170804.8A Pending CN112383101A (en) | 2020-10-28 | 2020-10-28 | Charging control method and system for ground wire electricity taking |
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| CN110011369A (en) * | 2019-02-19 | 2019-07-12 | 阿里巴巴集团控股有限公司 | Charge control method, equipment and system |
| CN110843602A (en) * | 2019-10-30 | 2020-02-28 | 奇瑞商用车（安徽）有限公司 | Low-voltage power supply management system and method for electric automobile |
| CN111769612A (en) * | 2020-07-02 | 2020-10-13 | 浙江吉利新能源商用车集团有限公司 | Charging method and charging system for low-voltage storage battery of vehicle and vehicle |
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2020
- 2020-10-28 CN CN202011170804.8A patent/CN112383101A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102195105A (en) * | 2011-01-14 | 2011-09-21 | 中兴通讯股份有限公司 | Method and apparatus for controlling accumulator charging |
| WO2015032080A1 (en) * | 2013-09-09 | 2015-03-12 | 吉瑞高新科技股份有限公司 | Charging control method for battery pole with small battery capacity and charger thereof |
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| CN108649653A (en) * | 2018-06-08 | 2018-10-12 | 汉能移动能源控股集团有限公司 | Charging state indicating method, system, device and readable storage medium |
| CN110011369A (en) * | 2019-02-19 | 2019-07-12 | 阿里巴巴集团控股有限公司 | Charge control method, equipment and system |
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Application publication date: 20210219 |