CN107171410A - A kind of charger temperature control protective device and charger - Google Patents
A kind of charger temperature control protective device and charger Download PDFInfo
- Publication number
- CN107171410A CN107171410A CN201710584667.4A CN201710584667A CN107171410A CN 107171410 A CN107171410 A CN 107171410A CN 201710584667 A CN201710584667 A CN 201710584667A CN 107171410 A CN107171410 A CN 107171410A
- Authority
- CN
- China
- Prior art keywords
- charger
- electric capacity
- main control
- control chip
- protective device
- 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.)
- Pending
Links
- 230000001681 protective effect Effects 0.000 title claims abstract description 20
- 230000005611 electricity Effects 0.000 claims description 5
- 230000004888 barrier function Effects 0.000 abstract description 4
- 238000000034 method Methods 0.000 abstract description 3
- 230000006378 damage Effects 0.000 abstract description 2
- 238000012544 monitoring process Methods 0.000 abstract description 2
- 230000008569 process Effects 0.000 abstract description 2
- 239000003990 capacitor Substances 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 229920003023 plastic Polymers 0.000 description 2
- 239000004033 plastic Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
Classifications
-
- 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
-
- H02J7/0088—
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
The invention discloses a kind of charger temperature control protective device and charger, charger temperature control protective device includes voltage-stablizer, main control chip, FET Q1, electric capacity C1, electric capacity C2, electric capacity C3, electric capacity C4, thermistor R1, resistance R2 and resistance R4, charger includes charger body, the front end of the charger body or the described charger temperature control protective device of rear end connection, the present invention in charger product input or output end by connecting temperature monitoring protective loop, ensure charger product occur in logarithmic code product charging process higher than design temperature can automatic turn-off current export, and it is locked as off-state, needing to activate again after power-off can just continue to output；Avoid the too high destruction charger product insulating barrier of temperature；Avoid short circuit, the potential safety hazard such as high temperature is on fire, while also protecting digital terminal equipment, it is to avoid high temperature causes loss of data, improves the reliability and security of charger.
Description
Technical field
The present invention relates to power technique fields, and in particular to a kind of charger temperature control protective device and charger.
Background technology
Electronic product function with rapid changepl. never-ending changes and improvements is various, to battery capacity requirement more and more higher；The battery of high power capacity, in order to contract
The high voltage or the pattern of high current that the short charging interval all uses are charged, such as current market（Fill soon, QC3.0 all
Using quick charge high current high voltage）The risk of the product high temperature exothermic brought while quick charge, or even trigger fire
Calamity causes security incident.Various charger cases, the insulating barrier of transmission line are made of plastic raw materials, the heatproof of various plastics
Difference, for example：The heatproof of ABS material is 86 DEG C, and the heatproof of PC materials is 134 DEG C,
The heatproof of PVC material is 70-100 DEG C, numerous, and temperature is too high during charging can destroy charger product, transmission line modeling
Glue insulating barrier, or even short circuit is caused, high temperature is on fire, therefore the charger of prior art is urgently improved.
The content of the invention
The technical problem to be solved in the present invention is that the weak point for the charger of prior art is filled there is provided one kind
Electrical equipment temperature control protective device and charger, improve the reliability and security of charger.
The present invention be solve the technical scheme that is used of above-mentioned technical problem for：
A kind of charger temperature control protective device, including voltage-stablizer, main control chip, FET Q1, electric capacity C1, electric capacity C2, electric capacity
C3, electric capacity C4, thermistor R1, resistance R2 and resistance R4, the input connection external circuit input positive pole of voltage-stablizer, voltage-stablizer
Output end connects the VCC pins of main control chip, the earth terminal connection electric capacity C1 of voltage-stablizer negative pole, electric capacity C1 positive pole connection master
The VCC pins of chip are controlled, electric capacity C1 negative pole ground connection, electric capacity C2 one end connection external circuit input positive pole, its other end is grounded,
Resistance R4 one end connects the VCC pins of main control chip, and its other end connects the FB pins of main control chip, and electric capacity C3 one end connects
The GARE pins of main control chip are connect, its other end ground connection, resistance R2 one end connects the GARE pins of main control chip, its other end
FET Q1 grid is connected, thermistor R1 one end connects the FB pins of main control chip, its other end ground connection, electric capacity C4
One end connection FET Q1 grid, its other end ground connection, FET Q1 source ground, FET Q1 drain electrode
Connect negative pole of output end, output head anode connection external circuit input positive pole.
Embodiments in accordance with the present invention, main control chip is set to MCU27113.
Embodiments in accordance with the present invention, voltage-stablizer is set to chip FD6203.
A kind of charger, including charger body, front end connection as above any described charging of the charger body
Device temperature control protective device.
A kind of charger, including charger body, rear end connection as above any described charging of the charger body
Device temperature control protective device.
Beneficial effects of the present invention：The present invention is protected by connecting temperature monitoring in charger product input or output end
Protect loop, it is ensured that charger product occurs in logarithmic code product charging process be higher than design temperature can automatic turn-off current it is defeated
Go out, and be locked as off-state, it is necessary to which being activated again after powering off can just continue to output；Avoid the too high destruction charger production of temperature
Product insulating barrier；Avoid short circuit, the potential safety hazard such as high temperature is on fire, while also protecting digital terminal equipment, it is to avoid high temperature causes data
Lose, improve the reliability and security of charger.
Brief description of the drawings
The present invention is specifically described below with reference to accompanying drawing and with reference to example, advantages of the present invention and implementation will
More obvious, wherein content is only used for explanation of the present invention shown in accompanying drawing, without constituting to the present invention in all senses
On limitation, in the accompanying drawings：
Fig. 1 is charger temperature control protective device schematic diagram of the present invention；
Fig. 2 is charger schematic diagram of the present invention.
Embodiment
The present invention is described in further detail below according to drawings and examples:
As depicted in figs. 1 and 2, charger temperature control protective device of the present invention includes voltage-stablizer, main control chip, FET Q1, electricity
Hold C1, electric capacity C2, electric capacity C3, electric capacity C4, thermistor R1, resistance R2 and resistance R4, the input connection external circuit of voltage-stablizer
Positive pole is inputted, the output end of voltage-stablizer connects the VCC pins of main control chip, and the earth terminal of voltage-stablizer connects electric capacity C1 negative pole,
Electric capacity C1 positive pole connects the VCC pins of main control chip, electric capacity C1 negative pole ground connection, electric capacity C2 one end connection external circuit input
Positive pole, its other end ground connection, resistance R4 one end connects the VCC pins of main control chip, and its other end connects the FB of main control chip
Pin, electric capacity C3 one end connects the GARE pins of main control chip, its other end ground connection, resistance R2 one end connection main control chip
GARE pins, its other end connection FET Q1 grid, thermistor R1 one end connects the FB pins of main control chip,
Its other end is grounded, and electric capacity C4 one end connection FET Q1 grid, its other end ground connection, FET Q1 source electrode connects
Ground, FET Q1 drain electrode connection negative pole of output end, output head anode connection external circuit input positive pole.According to the reality of the present invention
Example is applied, main control chip is set to MCU27113, and voltage-stablizer is set to chip FD6203.Charger of the present invention, including charger body, institute
The front end or rear end for stating charger body connect as above any described charger temperature control protective device.
Electric current is input to charger temperature control protective device of the present invention by external circuit IN+, IN-, and electric capacity C2 is master control core
Piece MCU27113 shunt capacitance filtering, 3.3V voltage-stablizers FD6023 provides voltage, filter capacitor to main control chip MCU27113
C1 positive poles connection main control chip MCU27113 VCC pins, filter capacitor C1 negative pole connection MCU27113GND pins,
MCU27113 FB pins provide Voltage Reference, receive the voltage of thermistor R1 feedbacks（Resistance）Signal, MCU27113's
GATE pins connection Q1 8205A G pin, are that FET Q1 driving pin gives MOS pipe 8205A there is provided driving signal, electricity
It is driving filter capacitor to hold C3 and electric capacity C4, and resistance R4 is thermistor R1 divider resistance, and resistance R2 is signal feedback electricity
Resistance, forms bypass, stable MCU27113 is to FET Q1（8205A）Control；Thermistor R1 perceives charger output end
Or line output terminal real time temperature is transmitted, its resistance is varied with temperature, fed back to by MCU27113 FB pins
MCU27113, MCU27113 internal composition correspondence resistance（Voltage）Alignment programs corresponding with temperature, when thermistor R1 resistances
Resistance corresponding with MCU design temperatures（Voltage）When scope is coincide, MCU27113 sends shut-off signal to FET by GATE
Q1 (switching tube), FET Q1 cut-out IN- inputs）To OUT-（Output）Conducting loop, reach a high temperature and cut off the electricity supply
Product needs to disconnect IN+, IN- power input behind the function of output, cut-out conducting loop, and equitemperature is reduced to safe temperature
（Thermistor R1 is recognized）Input power output of products loop is connect again below, recovers normal work.
Those skilled in the art do not depart from the essence and spirit of the present invention, can have various deformation scheme to realize the present invention,
Preferable feasible embodiment of the invention is the foregoing is only, not thereby limits to the interest field of the present invention, it is all with this
Within the equivalent structure change that description of the invention and accompanying drawing content are made, the interest field for being both contained in the present invention.
Claims (5)
1. a kind of charger temperature control protective device, it is characterised in that：Including voltage-stablizer, main control chip, FET Q1, electric capacity
C1, electric capacity C2, electric capacity C3, electric capacity C4, thermistor R1, resistance R2 and resistance R4, the input connection external circuit of voltage-stablizer are defeated
Enter positive pole, the output end of voltage-stablizer connects the VCC pins of main control chip, the earth terminal connection electric capacity C1 of voltage-stablizer negative pole, electricity
The positive pole for holding C1 connects the VCC pins of main control chip, and electric capacity C1 negative pole ground connection, electric capacity C2 one end connection external circuit is inputted just
Pole, its other end ground connection, resistance R4 one end connects the VCC pins of main control chip, the FB pipes of its other end connection main control chip
Pin, electric capacity C3 one end connects the GARE pins of main control chip, and its other end is grounded, resistance R2 one end connection main control chip
GARE pins, its other end connection FET Q1 grid, thermistor R1 one end connects the FB pins of main control chip, its
The other end is grounded, and electric capacity C4 one end connection FET Q1 grid, its other end ground connection, FET Q1 source electrode connects
Ground, FET Q1 drain electrode connection negative pole of output end, output head anode connection external circuit input positive pole.
2. charger temperature control protective device according to claim 1, it is characterised in that：Main control chip is set to MCU27113.
3. charger temperature control protective device according to claim 1, it is characterised in that：Voltage-stablizer is set to chip FD6203.
4. a kind of charger, it is characterised in that：Including charger body, the front end connection such as claim of the charger body
1 to 3 any described charger temperature control protective device.
5. a kind of charger, it is characterised in that：Including charger body, the rear end connection such as claim of the charger body
1 to 3 any described charger temperature control protective device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710584667.4A CN107171410A (en) | 2017-07-18 | 2017-07-18 | A kind of charger temperature control protective device and charger |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710584667.4A CN107171410A (en) | 2017-07-18 | 2017-07-18 | A kind of charger temperature control protective device and charger |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107171410A true CN107171410A (en) | 2017-09-15 |
Family
ID=59817036
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710584667.4A Pending CN107171410A (en) | 2017-07-18 | 2017-07-18 | A kind of charger temperature control protective device and charger |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107171410A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110422073A (en) * | 2019-08-16 | 2019-11-08 | 平湖新纳通信技术有限公司 | Intelligent charge detection device and its method |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2255693Y (en) * | 1996-07-15 | 1997-06-04 | 深圳市易配齐实业有限公司 | Intelligent charged cell mouldblock |
| US20010017531A1 (en) * | 2000-02-24 | 2001-08-30 | Makita | Adapters for rechargeable battery packs |
| CN202772644U (en) * | 2012-09-06 | 2013-03-06 | 杭州西力电能表制造有限公司 | Acquisition system terminal power supply management circuit |
| CN103580082A (en) * | 2012-08-06 | 2014-02-12 | 海洋王照明科技股份有限公司 | Charging device |
| CN204103465U (en) * | 2014-10-10 | 2015-01-14 | 东莞新能源科技有限公司 | The excess temperature overvoltage crowbar of dynamic lithium battery |
| CN205543262U (en) * | 2016-04-07 | 2016-08-31 | 姬丰产 | Welding and automatic folding storage device are exempted from to charger plug module |
| CN206947996U (en) * | 2017-07-18 | 2018-01-30 | 姬丰产 | A kind of charger temperature control protective device and charger |
-
2017
- 2017-07-18 CN CN201710584667.4A patent/CN107171410A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2255693Y (en) * | 1996-07-15 | 1997-06-04 | 深圳市易配齐实业有限公司 | Intelligent charged cell mouldblock |
| US20010017531A1 (en) * | 2000-02-24 | 2001-08-30 | Makita | Adapters for rechargeable battery packs |
| CN103580082A (en) * | 2012-08-06 | 2014-02-12 | 海洋王照明科技股份有限公司 | Charging device |
| CN202772644U (en) * | 2012-09-06 | 2013-03-06 | 杭州西力电能表制造有限公司 | Acquisition system terminal power supply management circuit |
| CN204103465U (en) * | 2014-10-10 | 2015-01-14 | 东莞新能源科技有限公司 | The excess temperature overvoltage crowbar of dynamic lithium battery |
| CN205543262U (en) * | 2016-04-07 | 2016-08-31 | 姬丰产 | Welding and automatic folding storage device are exempted from to charger plug module |
| CN206947996U (en) * | 2017-07-18 | 2018-01-30 | 姬丰产 | A kind of charger temperature control protective device and charger |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110422073A (en) * | 2019-08-16 | 2019-11-08 | 平湖新纳通信技术有限公司 | Intelligent charge detection device and its method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104600676B (en) | Battery protecting circuit, electric energy provide device and electronic installation | |
| CN206947996U (en) | A kind of charger temperature control protective device and charger | |
| CN209088592U (en) | A kind of fast charge circuit of two-way DC reduced output voltage PD intelligent power distribution | |
| CN103812197A (en) | Mobile power supply | |
| CN106972569A (en) | Intelligent battery terminal, intelligent power terminal and its matching detection method | |
| US9257854B2 (en) | Electronic device and protection circuit thereof | |
| CN103545563B (en) | A kind of method and device of activating charge battery | |
| CN107394851B (en) | Charger exports terminal shortcircuit fast protection circuit and battery charger | |
| CN206041474U (en) | Power supply protection circuit of battery | |
| CN107171410A (en) | A kind of charger temperature control protective device and charger | |
| CN205584005U (en) | Power supply switch circuit and power supply system | |
| CN104460378A (en) | Novel electronic cigarette controller having open and short circuit detection function | |
| CN206135456U (en) | Two -way USB power supply system | |
| CN206076997U (en) | The battery protection active circuit of portable power source and portable power source | |
| CN208386141U (en) | output protecting device and terminal controller | |
| CN208673179U (en) | The controllable mine direct current regulated power supply of intelligent remote | |
| CN206293889U (en) | A kind of load short-circuit protection circuit | |
| CN207662993U (en) | A kind of detection device of feeder ear wiring condition, conduction charging system and electric vehicle | |
| CN106160124A (en) | The battery protection active circuit of portable power source and portable power source | |
| CN206908363U (en) | The low high voltage converter circuitry of lithium battery charger output voltage | |
| CN203103929U (en) | Protection circuit for lithium battery | |
| CN205509592U (en) | Novel battery management system | |
| CN105186462B (en) | Battery protection system | |
| CN204103467U (en) | A kind of protective circuit of automobile instrument circuit | |
| CN204633734U (en) | A kind of charger inserts reset circuit and Intelligent bracelet |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20170915 |