CN204681108U - Charging circuit - Google Patents
Charging circuit Download PDFInfo
- Publication number
- CN204681108U CN204681108U CN201420833099.9U CN201420833099U CN204681108U CN 204681108 U CN204681108 U CN 204681108U CN 201420833099 U CN201420833099 U CN 201420833099U CN 204681108 U CN204681108 U CN 204681108U
- Authority
- CN
- China
- Prior art keywords
- resistance
- diode
- electric capacity
- mcu
- pins
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Abstract
The utility model is applicable to electronic applications, the utility model provides a kind of charging circuit, described circuit comprises: testing circuit module and charger host circuit module, described circuit also comprises: microcontroller circuit control module wherein, microcontroller circuit control module respectively with testing circuit module and charger host circuit model calling; Testing circuit model calling external power supply.The circuit that the utility model provides has the advantage of anti-overcharge and timely power-off.
Description
Technical field
The utility model belongs to electronic applications, particularly relates to a kind of charging circuit.
Background technology
Electric motor car, i.e. electric bicycle, refer to using storage battery as supplementary energy on the basis of ordinary bicycle, installed the Personal Transporter of the electromechanical integration of the control members such as motor, controller, storage battery, handle brake lever and Displaying Meter system.The charging of electric motor car lead-acid battery has overcharge phenomenon to occur constantly, and overcharge can make battery-heating destroy internal chemical balance, overcharges for a long time and battery life certainly will be caused to reduce.
Overcharge to solve, prior art provides a timing function, namely no matter battery existing capacity is how many, one rate goes charging with the same time, such one side can cause the over-charging of battery of existing capacity high (even if used time discharge few), cause the waste of electric energy on the other hand, battery obviously fills full, because timing is less than also in the insignificant charging of continuation.Second shortcoming is that " power-off " has just been installed a switch additional and disconnected by battery and output line on output line, it is not power-off truly, because charger itself also energising work, essence be by this way "off" and do not reach " power-off " of publicity.
Utility model content
The purpose of this utility model is to provide a kind of charging circuit, is not intended to solve prior art timing intelligent and cannot the problem of power-off completely.
The utility model realizes like this, on the one hand, a kind of charging circuit is provided, described circuit comprises: testing circuit module and charger host circuit module, described circuit also comprises: microcontroller circuit control module wherein, microcontroller circuit control module respectively with testing circuit module and charger host circuit model calling; Testing circuit model calling external power supply.
Optionally, described microcontroller circuit control module specifically comprises:
Induction coil, microprocessor, resistance, electric capacity and diode; Wherein,
The coil mutual inductance of induction coil and testing circuit module; The upper port 7 of induction coil is connected respectively with one end of electric capacity C8, diode D1 and diode D2 respectively; Electric capacity C8, diode D1 are connected No. 7 pins of MCU with the other end of diode D2; The Centronics port 9 of induction coil is connected with one end of resistance R1 and resistance R2, and resistance R1 is connected No. 7 pins of MCU with the other end of resistance R2; Centronics port 9 is also connected with one end of electric capacity C9 and diode D3, the other end ground connection of electric capacity C9 and diode D3; Lower port 10 ground connection of induction coil; Electric capacity C7 is connected the other end of electric capacity C9 with one end of electric capacity C6, the other end ground connection of electric capacity C7 and electric capacity C6; One end of electric capacity C5 is connected with MCU No. 7 pins, the other end ground connection of electric capacity C5; Resistance R3, resistance R4 are connected with No. 7 pins of MCU with one end of resistance R5, the other end ground connection of resistance R3, resistance R4 and resistance R5;
One end of light-emitting diode D4 connects the other end of diode D3, the other end of light-emitting diode D4 connects one end of diode D5 and diode D6 respectively, one end of the other end difference contact resistance R6 and resistance R7 of diode D5 and diode D6, the other end of resistance R6 connects No. 1 pin of MCU, and the other end of resistance R7 connects No. 6 pins of MCU; One end of electric capacity C4 connects No. 1 pin of MCU, one end of other end contact resistance R9, and the other end of resistance R9 connects voltage Vid; No. 2 pins of voltage Vid and MCU connect, and one end of resistance R8 is connected with one end of light-emitting diode D4, and the other end of resistance R8 connects No. 3 pins of MCU; No. 3 pins of MCU are also connected with one end of resistance R11, and the other end of resistance R11 is connected with one end of resistance R12 and resistance R13 respectively, the other end ground connection of resistance R12 and resistance R13; The other end of resistance R11 is also connected with No. 8 pins of MCU; One end of electric capacity C3 connects No. 6 pins of MCU, one end of the other end contact resistance R10 of electric capacity C3, and the other end of resistance R10 connects No. 7 pins of MCU; One end of the power pins VCC connecting luminous diode D4 of MCU.
The utility model compared with prior art, beneficial effect is: due to the technical solution of the utility model current detection technology judge battery whether fill full come premised on carry out shutdown and lock foundation, the timing comparing dead version has more accuracy and actual effect, without two large shortcomings of timing.Sentencing full function of closing allows battery really needing power-off (when being namely just full of electricity) moment timely power-off; What shutdown adopted is cut off input power and self-locking, and charger complete machine is in off position, belongs to power-off truly, so the utility model has the advantage of intelligent power-off and complete power-off.
Accompanying drawing explanation
The charging circuit configuration figure that Fig. 1 provides for the utility model;
The schematic diagram of the charging circuit that Fig. 2 provides for the utility model.
Embodiment
In order to make the purpose of this utility model, technical scheme and advantage clearly understand, below in conjunction with drawings and Examples, the utility model is further elaborated.Should be appreciated that specific embodiment described herein only in order to explain the utility model, and be not used in restriction the utility model.
The utility model provides a kind of charging circuit, and this circuit as shown in Figure 1, comprising: testing circuit module 50, charger host circuit module 11 and microcontroller circuit control module 12; Wherein, microcontroller circuit control module 12 is connected with testing circuit module 50 and charger host circuit module 11 respectively; Testing circuit module 50 connects external power supply.
The circuit that the utility model provides detects in real time by the charging of microcontroller circuit control module 12 pairs of batteries is saturated, battery is no fill full come premised on carry out shutdown and lock foundation, the timing comparing dead version has more accuracy and actual effect, without two large shortcomings of timing.Sentencing full function of closing allows battery really needing power-off (when being namely just full of electricity) moment timely power-off; What shutdown adopted is cut off input power and self-locking, and charger complete machine is in off position, belongs to power-off truly, so the utility model has the advantage of intelligent power-off and complete power-off.
Optionally, above-mentioned microcontroller circuit control module 12 as shown in Figure 2, specifically comprises:
Induction coil 20, microprocessor 21, resistance, electric capacity and diode; Wherein, the coil mutual inductance of induction coil 20 and testing circuit module 50; The upper port 7 of induction coil 20 is connected respectively with one end of electric capacity C8, diode D1 and diode D2 respectively; Electric capacity C8, diode D1 are connected No. 7 pins of MCU21 with the other end of diode D2; The Centronics port 9 of induction coil 20 is connected with one end of resistance R1 and resistance R2, and the other end of R1 with R2 is connected No. 7 pins of MCU21; Port 9 is also connected with one end of electric capacity C9 and diode D3, the other end ground connection of electric capacity C9 and diode D3; Lower port 10 ground connection of induction coil 20; Electric capacity C7 is connected the other end of electric capacity C9 with one end of electric capacity C6, the other end ground connection of electric capacity C7 and electric capacity C6; One end of electric capacity C5 is connected with MCU21 No. 7 pins, the other end ground connection of electric capacity C5; Resistance R3, resistance R4 are connected with No. 7 pins of MCU21 with one end of resistance R5, the other end ground connection of resistance R3, resistance R4 and resistance R5;
One end of light-emitting diode D4 connects the other end of D3, the other end of D4 connects one end of diode D5 and diode D6 respectively, one end of the other end difference contact resistance R6 and resistance R7 of diode D5 and diode D6, the other end of resistance R6 connects No. 1 pin of MCU, and the other end of resistance R7 connects No. 6 pins of MCU; One end of electric capacity C4 connects No. 1 pin of MCU, one end of other end contact resistance R9, and the other end of resistance R9 connects voltage Vid; No. 2 pins of voltage Vid and MCU connect, and one end of resistance R8 is connected with one end of D4, and the other end of R8 connects No. 3 pins of MCU; No. 3 pins of MCU are also connected with one end of resistance R11, and the other end of R11 is connected with one end of resistance R12 and resistance R13 respectively, the other end ground connection of resistance R12 and resistance R13; The other end of R11 is also connected with No. 8 pins of MCU; One end of electric capacity C3 connects No. 6 pins of MCU, one end of the other end contact resistance R10 of C3, and the other end of resistance R10 connects No. 7 pins of MCU; The power pins VCC of MCU connects one end of D4.
It should be noted that, one end of above-mentioned diode can be the anode of diode; The other end of diode can be the negative electrode of diode.1,2,3,6,7,8 of above-mentioned MCU is general input and output pin.
The foregoing is only preferred embodiment of the present utility model; not in order to limit the utility model; all do within spirit of the present utility model and principle any amendment, equivalent to replace and improvement etc., all should be included within protection range of the present utility model.
Claims (2)
1. a charging circuit, described circuit comprises: testing circuit module and charger host circuit module, it is characterized in that, described circuit also comprises: microcontroller circuit control module wherein, microcontroller circuit control module respectively with testing circuit module and charger host circuit model calling; Testing circuit model calling external power supply.
2. circuit according to claim 1, is characterized in that, described microcontroller circuit control module specifically comprises:
Induction coil, microprocessor, resistance, electric capacity and diode; Wherein,
The coil mutual inductance of induction coil and testing circuit module; The upper port (7) of induction coil is connected respectively with one end of electric capacity C8, diode D1 and diode D2 respectively; Electric capacity C8, diode D1 are connected No. 7 pins of MCU with the other end of diode D2; The Centronics port (9) of induction coil is connected with one end of resistance R1 and resistance R2, and resistance R1 is connected No. 7 pins of MCU with the other end of resistance R2; Centronics port (9) is also connected with one end of electric capacity C9 and diode D3, the other end ground connection of electric capacity C9 and diode D3; Lower port (10) ground connection of induction coil; Electric capacity C7 is connected the other end of electric capacity C9 with one end of electric capacity C6, the other end ground connection of electric capacity C7 and electric capacity C6; One end of electric capacity C5 is connected with MCU No. 7 pins, the other end ground connection of electric capacity C5; Resistance R3, resistance R4 are connected with No. 7 pins of MCU with one end of resistance R5, the other end ground connection of resistance R3, resistance R4 and resistance R5;
One end of light-emitting diode D4 connects the other end of diode D3, the other end of light-emitting diode D4 connects one end of diode D5 and diode D6 respectively, one end of the other end difference contact resistance R6 and resistance R7 of diode D5 and diode D6, the other end of resistance R6 connects No. 1 pin of MCU, and the other end of resistance R7 connects No. 6 pins of MCU; One end of electric capacity C4 connects No. 1 pin of MCU, one end of other end contact resistance R9, and the other end of resistance R9 connects voltage Vid; No. 2 pins of voltage Vid and MCU connect, and one end of resistance R8 is connected with one end of light-emitting diode D4, and the other end of resistance R8 connects No. 3 pins of MCU; No. 3 pins of MCU are also connected with one end of resistance R11, and the other end of resistance R11 is connected with one end of resistance R12 and resistance R13 respectively, the other end ground connection of resistance R12 and resistance R13; The other end of resistance R11 is also connected with No. 8 pins of MCU; One end of electric capacity C3 connects No. 6 pins of MCU, one end of the other end contact resistance R10 of electric capacity C3, and the other end of resistance R10 connects No. 7 pins of MCU; One end of the power pins VCC connecting luminous diode D4 of MCU.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420833099.9U CN204681108U (en) | 2014-12-24 | 2014-12-24 | Charging circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420833099.9U CN204681108U (en) | 2014-12-24 | 2014-12-24 | Charging circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204681108U true CN204681108U (en) | 2015-09-30 |
Family
ID=54180776
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420833099.9U Expired - Fee Related CN204681108U (en) | 2014-12-24 | 2014-12-24 | Charging circuit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204681108U (en) |
-
2014
- 2014-12-24 CN CN201420833099.9U patent/CN204681108U/en not_active Expired - Fee Related
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US20190222038A1 (en) | Portable Emergency Energy-Storage System with Intelligent Protection | |
| CN101291076A (en) | Solar and commercial power complementary uninterruptable power system | |
| CN105515159A (en) | Solar energy controller power source circuit | |
| CN202395432U (en) | Battery reverse connection protection circuit | |
| CN206517130U (en) | 12V batteries photovoltaic commercial power complementation charge and discharge maintenance device | |
| CN103401297A (en) | Power utilization energy-saving device with uninterruptible power and low cost | |
| CN102427264A (en) | Design method of solar power supply controller | |
| CN204681108U (en) | Charging circuit | |
| CN206283309U (en) | A kind of 12V batteries photovoltaic commercial power complementation charge and discharge maintenance device | |
| CN202888874U (en) | Distributed operation power supply | |
| CN202602351U (en) | Time sharing power supply energy storage system for residence | |
| CN103312025A (en) | Intelligent power supply control system | |
| CN201937308U (en) | Electric vehicle charger with electricity quantity indication | |
| CN201616683U (en) | Charging circuit for positive-negative connected dual-action charger | |
| CN104852436B (en) | A kind of charging pile being applied to new forms of energy car | |
| CN204721019U (en) | A kind of charging pile being applied to new forms of energy car | |
| CN203491734U (en) | Uninterruptible power low-cost power consumption energy-saving device | |
| CN104836301B (en) | A kind of new forms of energy car | |
| CN204335108U (en) | LED power brick communicating circuit | |
| CN201038791Y (en) | Accumulator pack single-segment open-circuit protection device | |
| CN203056650U (en) | Lithium iron phosphate cell emergency power source | |
| CN209562230U (en) | A kind of backup power system of communication base station | |
| CN201928069U (en) | Intelligent charger for a storage battery | |
| CN208827614U (en) | Portable charging device of electric automobile | |
| CN201947028U (en) | Solar mobile phone charger |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150930 Termination date: 20161224 |