CN108400637B - Portable square wave charging system - Google Patents
Portable square wave charging system Download PDFInfo
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- CN108400637B CN108400637B CN201810245512.2A CN201810245512A CN108400637B CN 108400637 B CN108400637 B CN 108400637B CN 201810245512 A CN201810245512 A CN 201810245512A CN 108400637 B CN108400637 B CN 108400637B
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- square wave
- rectifying
- charging
- electrode plates
- filtering
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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
- H02J7/0069—Charging or discharging for charge maintenance, battery initiation or rejuvenation
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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 portable square wave charging system, which comprises a constant-voltage constant-current source, a square wave generator and a signal amplifier, wherein the square wave generator generates a pair of square wave signals with a phase difference of 180 degrees, the low level of the square wave signals is negative, the portable square wave charging system also comprises a square wave matrix charging seat and a plurality of rectifying and filtering devices, the square wave matrix charging seat is provided with a plurality of electrode plate groups, each group of electrode plates comprises two electrode plates A and two electrode plates B, the electrode plates A and the electrode plates B are respectively connected with the two square wave signals with the phase difference of 180 degrees, the rectifying and filtering devices convert the square wave signals into direct current signals, the direct current signals charge a battery pack, the rectifying and filtering devices are arranged in a battery device to be charged, and the input end of each rectifying and filtering. The non-polarity charging of the battery is realized, the charging safety is improved, and the charging convenience is improved.
Description
Technical Field
The invention relates to the technical field of charging, in particular to a portable charging system.
Background
When the storage battery is charged, the storage battery can be rapidly charged by using positive pulse current, for example, a patent with the patent application publication number of CN 106208252A discloses a positive-negative square wave adjustable safety charger, which comprises a positive pulse generating circuit, a negative pulse generating circuit, an isolator, a charging tube, a discharge tube, a detection circuit, a microprocessing circuit, a constant voltage and constant current circuit and an MOS (metal oxide semiconductor) driving circuit, wherein the output end of the positive pulse generating circuit is connected to the charging tube through an isolating device; the output end of the negative pulse generating circuit is connected to the discharge tube; the charging tube and the discharge tube are connected to a storage battery to be charged; the detection circuit is connected with the storage battery to detect the current charging state of the storage battery, and the detection circuit is connected to the microprocessor to output detection information to the microprocessor; the microprocessor is connected to the constant voltage and constant current circuit and used for receiving the detection result sent by the detection circuit, generating a stage control signal according to the detection result and sending the stage control signal to the constant voltage and constant current circuit; the constant voltage and constant current circuit is connected to the MOS drive circuit; the MOS drive circuit is connected with the discharge tube to drive the charging tube to charge the storage battery. When the charger with the structure is used for charging the battery, the polarity of the battery needs to be distinguished.
Disclosure of Invention
The technical problem to be solved by the invention is to provide a charging system which can realize the nonpolar charging of a motor and is convenient and fast to charge.
In order to solve the technical problems, the invention adopts the technical scheme that: a portable square wave charging system comprises a constant voltage constant current source, a square wave generator and a signal amplifier, wherein the constant voltage constant current source supplies power for the signal amplifier and the square wave generator, the signal amplifier amplifies a square wave signal generated by the square wave generator, the square wave generator generates a pair of square wave signals with a phase difference of 180 degrees, the low level of the square wave signal is negative, and also comprises a square wave matrix charging seat and a plurality of rectifying and filtering devices, the square wave matrix charging seat is provided with a plurality of electrode plate groups, each group of electrode plates comprises two electrode plates A and two electrode plates B, the electrode plates A and the electrode plates B are respectively connected with two square wave signals with the phase difference of 180 degrees, wherein the rectifying and filtering device converts the square wave signal into a direct current signal, the direct current signal charges the battery pack, the rectifying and filtering device is built in the battery device to be charged, the input end of each rectifying and filtering device can be respectively connected with an electrode plate A and an electrode plate B.
Furthermore, the rectifier filter circuit comprises a rectifier bridge stack and a filter capacitor, two input ends of the rectifier bridge stack are respectively used for an electrode plate A and an electrode plate B, an output end of the rectifier bridge stack is used for charging the battery pack, and the filter capacitor is arranged between the output end of the rectifier bridge stack and the ground wire.
Further, the output end of the rectifier bridge stack can be connected with a BMS management system, and the BMS management system is charged with the battery pack.
Further, the electrode plates a and the electrode plates B are arranged at intervals and in a matrix arrangement.
The technical scheme shows that the invention has the following advantages: the rectifying and filtering device is matched with a group of square wave signals with the phase difference of 180 degrees, and the direct current can be output to charge the battery no matter what pole piece is connected to the battery device, so that the non-polar charging of the battery is realized, the charging safety is improved, and the charging convenience is improved.
Drawings
FIG. 1 is a functional block diagram of the present invention;
fig. 2 is a schematic diagram of a rectifying and filtering device according to the present invention.
Detailed Description
The following detailed description of the embodiments of the invention is provided in connection with the accompanying drawings
The portable square wave charging system comprises a constant-voltage constant-current source, a square wave generator and a signal amplifier, wherein the constant-voltage constant-current source supplies power for the signal amplifier and the square wave generator, the signal amplifier amplifies a square wave signal generated by the square wave generator and provides charging for a battery after the square wave signal is amplified, the square wave generator generates a pair of square wave signals with a phase difference of 180 degrees, the low level of the square wave signals is negative, the working principle of the square wave generator is not explained, and the portable square wave charging system can be realized in various ways, such as using chips like NE555, using an operational amplifier and an RC integrating circuit, and.
The invention also comprises a square wave matrix charging seat and a plurality of rectifying and filtering devices, wherein the square wave matrix charging seat is provided with a plurality of electrode plate groups, each group of electrode plates comprises two electrode plates A and two electrode plates B, the electrode plates A and the electrode plates B are respectively connected with two square wave signals with the phase difference of 180 degrees, namely the square wave signals amplified by the signal amplifier, and the rectifying and filtering devices convert the square wave signals into direct current signals. The principle of the rectifying and filtering device is shown in fig. 2, and the rectifying and filtering device comprises a rectifying bridge stack and a filtering capacitor, wherein the rectifying bridge stack comprises four diodes, two input ends of the rectifying bridge stack are respectively used for an electrode plate a and an electrode plate B, an output end of the rectifying bridge stack is used for charging a battery pack, and the filtering capacitor is arranged between the output end of the rectifying bridge stack and a ground wire.
The direct current signal charges the battery pack through the rectifier bridge stack, the rectifier filter devices are built in the battery device to be charged, and the input end of each rectifier filter device can be respectively connected with an electrode plate A and an electrode plate B. Because the phase difference of the two square wave signals is 180 degrees, the electrode plate A and the electrode plate B which are connected with the two input ends of the rectifier bridge stack can be exchanged, and the two input ends of the rectifier bridge stack do not distinguish the polarity. Therefore, when charging, only one input end of the rectifier bridge stack is ensured to be in contact with the electrode plate A, and the other input end of the rectifier bridge stack is ensured to be in contact with the electrode plate B, and at the moment, the output end of the rectifier bridge stack can be ensured to output direct-current signals for charging the battery pack.
The output end of the rectifier bridge stack can be connected with a BMS management system, and the BMS management system is charged with the battery pack.
The electrode plates A and the electrode plates B are arranged at intervals and are arranged in a matrix. The charging seat and the battery pack comprise a plurality of electrode plates, and the types and the number of the electrode plates can be designed according to actual conditions. The electrode plates on the charging seat are respectively connected with a square wave signal 1 and a square wave signal 2. The electrode plates on the battery pack and the electrode plates on the charging seat can be arranged symmetrically or asymmetrically to form a matrix. And matching with the structure limitation, the battery pack is placed on a charging seat and at least contacts 2 electrode plates, wherein the contacted electrode plates at least comprise 1 group of wave signals 1 and 2 groups of wave signals. Meanwhile, a plurality of battery packs can be placed on one seat.
Claims (4)
1. The utility model provides a portable square wave charging system, includes constant voltage constant current source, square wave generator and signal amplifier, and the constant voltage constant current source is signal amplifier and square wave generator power supply, and signal amplifier amplifies the square wave signal that square wave generator took place, and square wave generator produces a pair of square wave signal that the phase difference is 180, and the square wave signal low level is the burden, characterized in that: the battery pack charging device comprises a battery pack, and is characterized by further comprising a square wave matrix charging seat and a plurality of rectifying and filtering devices, wherein a plurality of electrode plate groups are arranged on the square wave matrix charging seat, each electrode plate group comprises two electrode plates A and two electrode plates B, the electrode plates A and the electrode plates B are respectively connected with two square wave signals with a phase difference of 180 degrees, the rectifying and filtering devices convert the square wave signals into direct current signals, the direct current signals charge the battery pack, the rectifying and filtering devices are built in the battery device to be charged, and the input end of each rectifying and filtering device can be respectively connected with one electrode plate A and one electrode.
2. The portable square wave charging system of claim 1, wherein: the rectifying and filtering circuit comprises a rectifying bridge stack and a filtering capacitor, wherein two input ends of the rectifying bridge stack are respectively used for an electrode plate A and an electrode plate B, an output end of the rectifying bridge stack is used for charging the battery pack, and the filtering capacitor is arranged between the output end of the rectifying bridge stack and the ground wire.
3. The portable square wave charging system of claim 2, wherein: the output end of the rectifier bridge stack can be connected with a BMS management system, and the BMS management system is charged with the battery pack.
4. The portable square wave charging system of claim 3, wherein: the electrode plates A and the electrode plates B are arranged at intervals and are arranged in a matrix.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810245512.2A CN108400637B (en) | 2018-03-23 | 2018-03-23 | Portable square wave charging system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810245512.2A CN108400637B (en) | 2018-03-23 | 2018-03-23 | Portable square wave charging system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108400637A CN108400637A (en) | 2018-08-14 |
| CN108400637B true CN108400637B (en) | 2020-09-15 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810245512.2A Active CN108400637B (en) | 2018-03-23 | 2018-03-23 | Portable square wave charging system |
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| Country | Link |
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| CN (1) | CN108400637B (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203840037U (en) * | 2014-05-28 | 2014-09-17 | 肖艳青 | Charger |
| CN106253373A (en) * | 2016-07-29 | 2016-12-21 | 维沃移动通信有限公司 | A kind of charging system and method |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1068465C (en) * | 1994-11-30 | 2001-07-11 | 师元勋 | Apparatus and method for industrial frequency rectifying load power source |
| US8358107B2 (en) * | 2007-12-31 | 2013-01-22 | Intel Corporation | Bidirectional power management techniques |
| CN103208923B (en) * | 2012-04-24 | 2015-03-18 | 盐城工学院 | Control method of power converter for converting input high-frequency alternative-current square wave into output direct current |
| CN205304277U (en) * | 2015-11-25 | 2016-06-08 | 富华德电子(东莞)有限公司 | House portable power source |
| CN206343741U (en) * | 2016-12-23 | 2017-07-21 | 上海沪工焊接集团股份有限公司 | Welding machine power supply circuit |
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2018
- 2018-03-23 CN CN201810245512.2A patent/CN108400637B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203840037U (en) * | 2014-05-28 | 2014-09-17 | 肖艳青 | Charger |
| CN106253373A (en) * | 2016-07-29 | 2016-12-21 | 维沃移动通信有限公司 | A kind of charging system and method |
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| Publication number | Publication date |
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| CN108400637A (en) | 2018-08-14 |
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