CN113162179A - Intelligent charging timing protector - Google Patents
Intelligent charging timing protector Download PDFInfo
- Publication number
- CN113162179A CN113162179A CN202110471038.7A CN202110471038A CN113162179A CN 113162179 A CN113162179 A CN 113162179A CN 202110471038 A CN202110471038 A CN 202110471038A CN 113162179 A CN113162179 A CN 113162179A
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- power
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- timing
- mcu
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- 230000001012 protector Effects 0.000 title claims abstract description 19
- 238000006243 chemical reaction Methods 0.000 claims abstract description 5
- 238000012545 processing Methods 0.000 claims abstract description 5
- 238000001514 detection method Methods 0.000 claims abstract description 4
- 238000012546 transfer Methods 0.000 claims abstract description 4
- 239000000956 alloy Substances 0.000 claims description 5
- 229910045601 alloy Inorganic materials 0.000 claims description 5
- 238000000034 method Methods 0.000 abstract description 12
- 238000012544 monitoring process Methods 0.000 abstract description 5
- 230000003111 delayed effect Effects 0.000 abstract description 3
- 230000000694 effects Effects 0.000 abstract description 2
- 238000012935 Averaging Methods 0.000 description 2
- 230000005856 abnormality Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000032683 aging Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
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Classifications
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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
Abstract
The intelligent charging timing protector comprises an IC chip, an MCU processor, a relay, an AC power supply and a standard resistor; the input of AC power concatenates standard resistance, and the input of IC chip is connected to the output of AC power, the MCU treater is connected to the output of IC chip, the MCU treater passes through the relay and connects the output of AC power, and wherein, the AC power is through detecting the voltage difference at standard resistance both ends, with signal transfer to IC chip, the IC chip carries out AC/DC conversion with the signal and sends the MCU treater with the form of pulse and carries out identification processing, whether the output of AC power is closed to the MCU treater through power detection control relay. The accidental generation caused by circuit abnormity is prevented by monitoring the real-time power input condition in the delayed closing process, and the electric energy consumed by charging standby can be reduced by disconnecting the input of the AC power supply after timing is finished, so that the energy-saving and environment-friendly effects are achieved.
Description
Technical Field
The invention relates to the field of electronic energy conservation and environmental protection, in particular to an intelligent charging timing protector.
Background
Accidents caused by charging of electric tools such as new energy automobiles, electric tricycles, electric bicycles, digital products with batteries and the like and the phenomenon that the service life of a rechargeable battery is shorter than the expected service life are increasing. One is that the current at the initial stage of charging is excessively large, causing an abnormality in the circuit during charging, and the other is that the battery is overcharged.
Specifically, during the use process of the charger, an accident may be caused by circuit abnormality during the charging process due to unpredictable reasons such as aging of components, loosening of components during the moving process, entering of foreign matters and the like; the battery is charged after being fully charged, the overcharge time is too long, the battery can generate heat, and the two poles of the battery can not react with each other, so that the chargeable quantity of the battery is reduced, the service life of the battery is shortened until the battery is completely damaged, and in addition, unnecessary electric energy is wasted in the overcharging process.
Disclosure of Invention
The invention aims to solve the problems in the prior art and provides an intelligent charging timing protector.
In order to achieve the purpose, the invention adopts the following technical scheme:
the intelligent charging timing protector comprises an IC chip, an MCU processor, a relay, an AC power supply and a standard resistor; the input of AC power concatenates standard resistance, and the input of IC chip is connected to the output of AC power, the MCU treater is connected to the output of IC chip, the MCU treater passes through the relay and connects the output of AC power, and wherein, the AC power is through detecting the voltage difference at standard resistance both ends, with signal transfer to IC chip, the IC chip carries out AC/DC conversion with the signal and sends the MCU treater with the form of pulse and carries out identification processing, whether the output of AC power is closed to the MCU treater through power detection control relay.
The MCU processor comprises a timing charging module, and the timing charging module is connected with the output end of the AC power supply through a relay.
The invention also comprises a timing setting key which is connected with the MCU processor and used for setting the timing charging time.
The invention also comprises a manual switch, wherein the manual switch is connected with the MCU processor and used for manually disconnecting the output end of the AC power supply.
The intelligent charging timing protector further comprises an indicator light, wherein the indicator light is connected with the MCU processor and used for displaying the use state of the intelligent charging timing protector.
The standard resistance adopts alloy standard resistance.
Compared with the prior art, the technical scheme of the invention has the following beneficial effects:
the invention can protect the charger, the charged battery and the back end circuit, prevent the accidental generation caused by circuit abnormity by monitoring the real-time power input condition in the delayed closing process and using the program of the identification and comparison algorithm, can reduce the electric energy consumed by charging standby by disconnecting the input of the AC power supply after timing is finished, can improve the service life of the charger and the battery, and is an energy-saving and environment-friendly product.
The invention ensures that the charging is safer and more energy-saving by setting the joint protection function of the delayed closing and the power monitoring in the charging process.
The invention can be used as a single protector in front of the charger, is connected in series in front of the charger and is used in the form of a socket converter, and can also be used as a part of the charger and designed together with the charger, thus having strong practicability and wide universality.
Drawings
FIG. 1 is an exploded view of the present invention;
FIG. 2 is a schematic view of the overall structure of the present invention;
FIG. 3 is one of the schematic structural diagrams of the circuit board assembly;
FIG. 4 is a second schematic structural view of a circuit board assembly;
fig. 5 is a circuit diagram of the present invention.
Detailed Description
In order to make the technical problems, technical solutions and advantageous effects of the present invention clearer and clearer, the present invention is further described in detail below with reference to the accompanying drawings and embodiments.
As shown in fig. 1 to 5, the present embodiment includes a bottom case 1, a circuit board assembly 2 and a panel 3, where the circuit board assembly 2 includes an IC chip, an MCU processor, a relay, an AC power supply, and an alloy standard resistor;
the AC power source has AC input pins 21 and AC output sockets 22; alloy standard resistance is concatenated to the input of AC power, and the input of IC chip is connected to the output of AC power, the MCU treater is connected to the output of IC chip, the MCU treater passes through the output of relay connection AC power, and wherein, the AC power is through the voltage difference who detects alloy standard resistance both ends, with signal transfer to IC chip, and IC chip carries out AC/DC conversion with the signal and sends the MCU treater with the form of pulse and carries out identification processing, and the MCU treater passes through the output that power detection control relay closed AC power.
The MCU processor comprises a timing charging module, and the timing charging module is connected with the output end of the AC power supply through a relay.
The embodiment also comprises a timing setting key, a manual switch and an indicator light; the timing set key is connected with the MCU processor and is used for setting the timing charging time; the manual switch is connected with the MCU processor and used for manually disconnecting the output end of the AC power supply; the indicator light is connected with the MCU processor and used for displaying the use state of the intelligent charging timing protector; specifically, the circuit board assembly 2 is provided with a switch control touch spring 23 and a setting control touch spring 24.
The invention is suitable for charging objects of single-phase power supply with AC-DC conversion within 2200 watts, can be used as a charger front-end protector, is connected in series in front of a charger to protect the charger, a charged battery and a back-end circuit, and can also be designed together with the charger as a part of the charger. The AC power supply is controlled to be disconnected by monitoring the real-time power input condition in the charging delay closing process and using a program of an identification and comparison algorithm to prevent the accidental generation caused by circuit abnormity, and the AC power supply is disconnected after timing is finished to avoid overcharging. In the embodiment, the coil of the relay is controlled through the I/O port of the MCU processor to control the connection and disconnection of the AC power supply.
In this embodiment, the charging delay selection of 1H, 2H, 4H, and 8H is realized by the MCU processor control. The AC output and the AC constant output can be interactively and manually selected to be closed, and the time delay closing and the corresponding time mode can be selected only in the state that the AC power supply is output constantly.
The invention adds a power test at the input end of the AC power supply and transmits a power signal to the MCU processor for identification processing. And only when power is output in the charging delay mode, the MCU processor compares and identifies the power signal. And averaging the data in every 5 seconds in the first 30 seconds after starting to compare with the average value in the next 5 seconds, wherein the average value in the last 5 seconds cannot be more than 3 percent of the average value in the first 5 seconds, and if the average value is more than 3 percent, the AC power supply output is immediately disconnected. And averaging the data within every 5 seconds from 30 seconds to 60 seconds after starting to compare with the average value of the next 5 seconds, wherein the average value of the last 5 seconds cannot be more than 2 percent of the first 5 seconds, and if the average value is more than the first 5 seconds, the AC power supply output is immediately disconnected. The data acquisition interval is 1 second after 1 minute of start-up, and the 1 second after cannot be more than 1% of the first 1 second, if more than immediately, the AC power output is turned off. Until the timing ends or the AC power input is manually disconnected. In the timing process, according to a charging curve, the input power is collected, and the normal charging power input is calculated through an intelligent comparison algorithm, so that accidents caused by the abnormity of a charger, a battery and a circuit in the charging process are avoided.
The invention can realize the identification of the necessary action of the fan action lamp in the starting and charging processes through an intelligent algorithm and quickly react to the fault. The invention protects the charger, the charged battery and the rear-end circuit from charging accidents by monitoring and judging the input power in the process of getting power by the AC power supply in front of the charger. The invention can delay to close the AC power input at the front end of the charging appliance by setting the maximum charging delay, thereby protecting the charged battery from being overcharged and prolonging the service life of the charging battery.
Claims (6)
1. Intelligent charging timing protector, its characterized in that: the device comprises an IC chip, an MCU processor, a relay, an AC power supply and a standard resistor; the input of AC power concatenates standard resistance, and the input of IC chip is connected to the output of AC power, the MCU treater is connected to the output of IC chip, the MCU treater passes through the relay and connects the output of AC power, and wherein, the AC power is through detecting the voltage difference at standard resistance both ends, with signal transfer to IC chip, the IC chip carries out AC/DC conversion with the signal and sends the MCU treater with the form of pulse and carries out identification processing, whether the output of AC power is closed to the MCU treater through power detection control relay.
2. The intelligent charging timing protector of claim 1, wherein: the MCU processor comprises a timing charging module, and the timing charging module is connected with the output end of the AC power supply through a relay.
3. The intelligent charging timing protector of claim 2, wherein: the device further comprises a timing setting key which is connected with the MCU processor and used for setting the timing charging time.
4. The intelligent charging timing protector of claim 1, wherein: the device further comprises a manual switch, wherein the manual switch is connected with the MCU processor and used for manually disconnecting the output end of the AC power supply.
5. The intelligent charging timing protector of claim 1, wherein: the intelligent charging timing protector is characterized by further comprising an indicator light, wherein the indicator light is connected with the MCU processor and used for displaying the use state of the intelligent charging timing protector.
6. The intelligent charging timing protector of claim 1, wherein: the standard resistance adopts alloy standard resistance.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110471038.7A CN113162179A (en) | 2021-04-25 | 2021-04-25 | Intelligent charging timing protector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110471038.7A CN113162179A (en) | 2021-04-25 | 2021-04-25 | Intelligent charging timing protector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113162179A true CN113162179A (en) | 2021-07-23 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110471038.7A Pending CN113162179A (en) | 2021-04-25 | 2021-04-25 | Intelligent charging timing protector |
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| CN (1) | CN113162179A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101662210A (en) * | 2009-09-29 | 2010-03-03 | 上海导向微电子有限公司 | Constant current constant voltage power controller and encapsulation and supply converter thereof |
| US20130049690A1 (en) * | 2010-05-06 | 2013-02-28 | Dai Chong Wong | Vehicle Charger with Memory Function for Electric Vehicles |
| CN103715726A (en) * | 2012-09-29 | 2014-04-09 | 联芯科技有限公司 | Charging apparatus and method for AC charger |
| CN106627198A (en) * | 2016-10-27 | 2017-05-10 | 扬州汇益智能光电设备有限公司 | Intelligent charging protector ofelectric vehicle |
| CN206559066U (en) * | 2016-12-28 | 2017-10-13 | 深圳市心能科技有限公司 | A kind of intelligent power-down circuit of charger |
| CN214755686U (en) * | 2021-04-25 | 2021-11-16 | 厦门视贝科技有限公司 | Intelligent charging timing protector |
-
2021
- 2021-04-25 CN CN202110471038.7A patent/CN113162179A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101662210A (en) * | 2009-09-29 | 2010-03-03 | 上海导向微电子有限公司 | Constant current constant voltage power controller and encapsulation and supply converter thereof |
| US20130049690A1 (en) * | 2010-05-06 | 2013-02-28 | Dai Chong Wong | Vehicle Charger with Memory Function for Electric Vehicles |
| CN103715726A (en) * | 2012-09-29 | 2014-04-09 | 联芯科技有限公司 | Charging apparatus and method for AC charger |
| CN106627198A (en) * | 2016-10-27 | 2017-05-10 | 扬州汇益智能光电设备有限公司 | Intelligent charging protector ofelectric vehicle |
| CN206559066U (en) * | 2016-12-28 | 2017-10-13 | 深圳市心能科技有限公司 | A kind of intelligent power-down circuit of charger |
| CN214755686U (en) * | 2021-04-25 | 2021-11-16 | 厦门视贝科技有限公司 | Intelligent charging timing protector |
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Application publication date: 20210723 |
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| RJ01 | Rejection of invention patent application after publication |