CN210350813U - Positive pulse charging circuit - Google Patents
Positive pulse charging circuit Download PDFInfo
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- CN210350813U CN210350813U CN201920910755.3U CN201920910755U CN210350813U CN 210350813 U CN210350813 U CN 210350813U CN 201920910755 U CN201920910755 U CN 201920910755U CN 210350813 U CN210350813 U CN 210350813U
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- resistor
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- charging
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- 238000010278 pulse charging Methods 0.000 title claims abstract description 16
- 238000007600 charging Methods 0.000 claims abstract description 41
- 238000001514 detection method Methods 0.000 claims abstract description 17
- 239000003990 capacitor Substances 0.000 claims description 9
- 208000017740 grade III prostatic intraepithelial neoplasia Diseases 0.000 claims description 5
- 238000010277 constant-current charging Methods 0.000 claims description 2
- 230000000694 effects Effects 0.000 abstract description 2
- 238000000034 method Methods 0.000 description 5
- 230000008569 process Effects 0.000 description 4
- 230000008859 change Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000000306 component Substances 0.000 description 1
- 239000008358 core component Substances 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/70—Energy storage systems for electromobility, e.g. batteries
Abstract
A positive pulse charging circuit comprises a main control chip, wherein the main control chip is TM57PE11C, eight pins are arranged on the main control chip, the main control chip is connected with a constant current control module through a second pin, the constant current control module is used for providing large current for the main control chip, the main control chip is connected with a trickle control module through a third pin, the trickle control module is used for providing trickle charge for a battery, the main control chip is connected with a current detection module through a fourth pin, and is connected with a voltage detection module through a seventh pin, and the positive pulse charging circuit further comprises a charging positive interface and a charging negative interface; alternately inputting high level or low level to the main control chip through the constant current control module and the trickle control module to form a positive pulse trickle charge mode for supplying power to the battery; detecting real-time voltages of the charging positive interface and the charging negative interface through a voltage detection module to trigger actions of the constant current control module and the trickle control module; has the advantages of practicality, high efficiency and good charging effect.
Description
The technical field is as follows:
the utility model relates to a positive pulse charging circuit.
Background art:
electric vehicles, i.e. electric drive vehicles, also known as electric drive vehicles, are classified into ac electric vehicles and dc electric vehicles, and generally, electric vehicles are vehicles that use batteries as energy sources, and convert electric energy into mechanical energy through components such as controllers and motors to move so as to control the current and change the speed.
In the overall structure of the electric vehicle, the battery of the electric vehicle is used as a core component, and the riding speed and mileage of the electric vehicle can be directly determined by the performance of the battery.
In the charging process of the existing electric vehicle battery, the output current of the charger is reduced due to overlong charging time, and the battery capacity is lost due to self-discharge, so that the electric quantity of the charged battery can not meet the use requirement of a user.
The utility model has the following contents:
the embodiment of the utility model provides a positive pulse charging circuit, structural design is reasonable, can adopt the mode of pulse trickle charge to continuously charge to electric motor car battery, and is full until electric motor car battery fills, increases the electric quantity in the battery, has solved the problem that exists among the prior art.
The utility model discloses a solve the technical scheme that above-mentioned technical problem adopted and be:
the utility model provides a positive pulse charging circuit, includes main control chip, main control chip is TM57PE11C, is equipped with eight pins on main control chip, main control chip is connected with constant current control module through No. two pins, constant current control module is used for providing the heavy current for main control chip, main control chip is connected with trickle control module through No. three pins, trickle control module is used for providing trickle charge for the battery, main control chip is connected with current detection module through No. four pins, is connected with voltage detection module through No. seven pins, positive pulse charging circuit still includes the positive interface that charges and charges the negative interface.
The constant-current control module comprises a first operational amplifier, the positive input end of the first operational amplifier is connected with a pin II of the main control chip through a first resistor, a second resistor, a third resistor and a fourth resistor which are connected in parallel are arranged on the positive input end of the first operational amplifier, the fourth resistor is connected with a power supply, the negative input end of the first operational amplifier is connected with a charging positive interface through a fifth resistor, and a sixth resistor and a first capacitor which are connected in series are arranged between the negative input end and the output end of the first operational amplifier.
The trickle flow control module comprises a second operational amplifier, the positive input end of the second operational amplifier is connected with a pin III of the main control chip through a seventh resistor, the positive input end of the second operational amplifier is grounded through an eighth resistor and a ninth resistor which are connected in parallel, and the trickle flow control module is connected with a power supply through a tenth resistor.
The current detection module comprises a second operational amplifier, the output end of the second operational amplifier is connected with a fourth pin of the main control chip through a first diode, the negative input end of the second operational amplifier is connected with the charging positive interface through an eleventh resistor, and a second capacitor is arranged between the output end and the negative input end of the second operational amplifier.
The voltage detection module comprises a twelfth resistor, a thirteenth resistor and a fourteenth resistor which are connected in parallel, and the main control chip is connected with the charging positive interface through the twelfth resistor and the thirteenth resistor.
The main control chip is connected with a display module through a fifth pin, and the display module comprises a fifteenth resistor and a first LED lamp which are connected in series.
The fan module is used for reducing the temperature of the main control chip and comprises a first triode, the base of the first triode is connected with the pin six of the main control chip through a sixteenth resistor, the emitting electrode of the first triode is grounded, the collector electrode of the first triode is connected with a fan interface, and the fan interface is connected with a power supply through a seventeenth resistor.
Sixteenth resistance connection eighteenth resistance, eighteenth resistance connection second LED lamp, the second LED lamp is used for showing the user state of fan.
And a first pin of the main control chip is connected with a power supply, and a third capacitor is arranged between the first pin and the eighth pin of the main control chip.
And a nineteenth resistor is arranged between the charging positive interface and the charging negative interface and is used for providing overload protection.
The utility model adopts the structure, the constant current control module and the trickle control module alternately input high level or low level to the main control chip to form a positive pulse trickle charge mode to supply power to the battery; detecting real-time voltages of the charging positive interface and the charging negative interface through a voltage detection module to trigger actions of the constant current control module and the trickle control module; the change of the output charging current is detected through the current detection module so as to fully charge the rechargeable battery, and the rechargeable battery charging device has the advantages of practicability, high efficiency and good charging effect.
Description of the drawings:
fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is an electrical schematic diagram of the present invention.
The specific implementation mode is as follows:
in order to clearly illustrate the technical features of the present invention, the present invention is explained in detail by the following embodiments in combination with the accompanying drawings.
As shown in fig. 1-2, a positive pulse charging circuit includes a main control chip, the main control chip is TM57PE11C, eight pins are provided on the main control chip, the main control chip is connected with a constant current control module through a second pin, the constant current control module is used for providing a large current for the main control chip, the main control chip is connected with a trickle control module through a third pin, the trickle control module is used for providing trickle charge for a battery, the main control chip is connected with a current detection module through a fourth pin, and is connected with a voltage detection module through a seventh pin, and the positive pulse charging circuit further includes a charging positive interface and a charging negative interface.
The constant-current control module comprises a first operational amplifier, the positive input end of the first operational amplifier is connected with a pin II of the main control chip through a first resistor, a second resistor, a third resistor and a fourth resistor which are connected in parallel are arranged on the positive input end of the first operational amplifier, the fourth resistor is connected with a power supply, the negative input end of the first operational amplifier is connected with a charging positive interface through a fifth resistor, and a sixth resistor and a first capacitor which are connected in series are arranged between the negative input end and the output end of the first operational amplifier.
The trickle flow control module comprises a second operational amplifier, the positive input end of the second operational amplifier is connected with a pin III of the main control chip through a seventh resistor, the positive input end of the second operational amplifier is grounded through an eighth resistor and a ninth resistor which are connected in parallel, and the trickle flow control module is connected with a power supply through a tenth resistor.
The current detection module comprises a second operational amplifier, the output end of the second operational amplifier is connected with a fourth pin of the main control chip through a first diode, the negative input end of the second operational amplifier is connected with the charging positive interface through an eleventh resistor, and a second capacitor is arranged between the output end and the negative input end of the second operational amplifier.
The voltage detection module comprises a twelfth resistor, a thirteenth resistor and a fourteenth resistor which are connected in parallel, and the main control chip is connected with the charging positive interface through the twelfth resistor and the thirteenth resistor.
The main control chip is connected with a display module through a fifth pin, and the display module comprises a fifteenth resistor and a first LED lamp which are connected in series.
The fan module is used for reducing the temperature of the main control chip and comprises a first triode, the base of the first triode is connected with the pin six of the main control chip through a sixteenth resistor, the emitting electrode of the first triode is grounded, the collector electrode of the first triode is connected with a fan interface, and the fan interface is connected with a power supply through a seventeenth resistor.
Sixteenth resistance connection eighteenth resistance, eighteenth resistance connection second LED lamp, the second LED lamp is used for showing the user state of fan.
And a first pin of the main control chip is connected with a power supply, and a third capacitor is arranged between the first pin and the eighth pin of the main control chip.
And a nineteenth resistor is arranged between the charging positive interface and the charging negative interface and is used for providing overload protection.
When the constant-current charging circuit is used, firstly, the main control chip detects a voltage value between the charging positive interface DC + and the charging negative interface DC-through the seven pins, when the detected voltage value reaches a preset value, generally 80% of the voltage of the electric vehicle battery, the main control chip sends an instruction to the constant-current control module, so that the high level of the second pin is changed into the low level, the maximum value of the output current of the positive pulse charging circuit becomes low, at the moment, the main control chip sends an instruction to the trickle control module, so that the third pin repeatedly outputs the high level, and the positive pulse charging circuit enters a trickle charging mode; when the third pin is at a low level, the second pin outputs a high level, the output current of the positive pulse charging circuit becomes high, and when the third pin is at a high level, the second pin outputs a low level, and the output current of the positive pulse charging circuit decreases; in the charging process, the low level of the pin II and the high level of the pin III last for 2 seconds, the high level of the pin II and the low level of the pin III last for 20 seconds, and after the instruction is repeated for 3 hours, the pin II continuously outputs the output high level to charge until the battery is fully charged. In practical application, the charging current is assumed to be 3A, and the trickle charging current is assumed to be 0.5A, so that the charging process is 0.5A for 2 seconds, and the charging process is performed alternately for 20 seconds after 3A charging, so that the battery of the electric vehicle is fully charged, the electric quantity in the battery is increased, and the requirements of users are met.
The above-mentioned specific embodiments can not be regarded as the restriction to the scope of protection of the utility model, to technical personnel in this technical field, it is right the utility model discloses any replacement improvement or transform that embodiment made all fall within the scope of protection of the utility model.
The parts of the present invention not described in detail are the known techniques of those skilled in the art.
Claims (10)
1. A positive pulse charging circuit, comprising: the constant current charging circuit comprises a main control chip, the main control chip is TM57PE11C, eight pins are arranged on the main control chip, the main control chip is connected with a constant current control module through a second pin, the constant current control module is used for providing a large current for the main control chip, the main control chip is connected with a trickle current control module through a third pin, the trickle current control module is used for providing trickle charging for a battery, the main control chip is connected with a current detection module through a fourth pin, a voltage detection module is connected through a seventh pin, and the positive pulse charging circuit further comprises a charging positive interface and a charging negative interface.
2. The circuit of claim 1, wherein: the constant-current control module comprises a first operational amplifier, the positive input end of the first operational amplifier is connected with a pin II of the main control chip through a first resistor, a second resistor, a third resistor and a fourth resistor which are connected in parallel are arranged on the positive input end of the first operational amplifier, the fourth resistor is connected with a power supply, the negative input end of the first operational amplifier is connected with a charging positive interface through a fifth resistor, and a sixth resistor and a first capacitor which are connected in series are arranged between the negative input end and the output end of the first operational amplifier.
3. The circuit of claim 1, wherein: the trickle flow control module comprises a second operational amplifier, the positive input end of the second operational amplifier is connected with a pin III of the main control chip through a seventh resistor, the positive input end of the second operational amplifier is grounded through an eighth resistor and a ninth resistor which are connected in parallel, and the trickle flow control module is connected with a power supply through a tenth resistor.
4. The circuit of claim 1, wherein: the current detection module comprises a second operational amplifier, the output end of the second operational amplifier is connected with a fourth pin of the main control chip through a first diode, the negative input end of the second operational amplifier is connected with the charging positive interface through an eleventh resistor, and a second capacitor is arranged between the output end and the negative input end of the second operational amplifier.
5. The circuit of claim 1, wherein: the voltage detection module comprises a twelfth resistor, a thirteenth resistor and a fourteenth resistor which are connected in parallel, and the main control chip is connected with the charging positive interface through the twelfth resistor and the thirteenth resistor.
6. The circuit of claim 1, wherein: the main control chip is connected with a display module through a fifth pin, and the display module comprises a fifteenth resistor and a first LED lamp which are connected in series.
7. The circuit of claim 1, wherein: the fan module is used for reducing the temperature of the main control chip and comprises a first triode, the base of the first triode is connected with the pin six of the main control chip through a sixteenth resistor, the emitting electrode of the first triode is grounded, the collector electrode of the first triode is connected with a fan interface, and the fan interface is connected with a power supply through a seventeenth resistor.
8. The circuit of claim 7, wherein: sixteenth resistance connection eighteenth resistance, eighteenth resistance connection second LED lamp, the second LED lamp is used for showing the user state of fan.
9. The circuit of claim 1, wherein: and a first pin of the main control chip is connected with a power supply, and a third capacitor is arranged between the first pin and the eighth pin of the main control chip.
10. The circuit of claim 1, wherein: and a nineteenth resistor is arranged between the charging positive interface and the charging negative interface and is used for providing overload protection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920910755.3U CN210350813U (en) | 2019-06-17 | 2019-06-17 | Positive pulse charging circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920910755.3U CN210350813U (en) | 2019-06-17 | 2019-06-17 | Positive pulse charging circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210350813U true CN210350813U (en) | 2020-04-17 |
Family
ID=70186296
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920910755.3U Active CN210350813U (en) | 2019-06-17 | 2019-06-17 | Positive pulse charging circuit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210350813U (en) |
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2019
- 2019-06-17 CN CN201920910755.3U patent/CN210350813U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: A positive pulse charging circuit Effective date of registration: 20211229 Granted publication date: 20200417 Pledgee: Overpass Branch of Jinan Rural Commercial Bank Co.,Ltd. Pledgor: SHANDONG QIXIAOXIONG NEW ENERGY TECHNOLOGY Co.,Ltd. Registration number: Y2021980016865 |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20221202 Granted publication date: 20200417 Pledgee: Overpass Branch of Jinan Rural Commercial Bank Co.,Ltd. Pledgor: SHANDONG QIXIAOXIONG NEW ENERGY TECHNOLOGY Co.,Ltd. Registration number: Y2021980016865 |
|
| PC01 | Cancellation of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: A Positive Pulse Charging Circuit Effective date of registration: 20221209 Granted publication date: 20200417 Pledgee: Overpass Branch of Jinan Rural Commercial Bank Co.,Ltd. Pledgor: SHANDONG QIXIAOXIONG NEW ENERGY TECHNOLOGY Co.,Ltd. Registration number: Y2022980025771 |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20231206 Granted publication date: 20200417 Pledgee: Overpass Branch of Jinan Rural Commercial Bank Co.,Ltd. Pledgor: SHANDONG QIXIAOXIONG NEW ENERGY TECHNOLOGY Co.,Ltd. Registration number: Y2022980025771 |
|
| PC01 | Cancellation of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: A Positive Pulse Charging Circuit Effective date of registration: 20231213 Granted publication date: 20200417 Pledgee: Overpass Branch of Jinan Rural Commercial Bank Co.,Ltd. Pledgor: SHANDONG QIXIAOXIONG NEW ENERGY TECHNOLOGY Co.,Ltd. Registration number: Y2023980071209 |
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| PE01 | Entry into force of the registration of the contract for pledge of patent right |