CN205646879U - Novel area is full of instruction and excessive pressure charge protection's circuit - Google Patents

Novel area is full of instruction and excessive pressure charge protection's circuit Download PDF

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Publication number
CN205646879U
CN205646879U CN201620315035.9U CN201620315035U CN205646879U CN 205646879 U CN205646879 U CN 205646879U CN 201620315035 U CN201620315035 U CN 201620315035U CN 205646879 U CN205646879 U CN 205646879U
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resistance
audion
circuit
display lamp
full
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CN201620315035.9U
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Chinese (zh)
Inventor
蒋小荣
王正兵
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Guangdong Kennede Electronics Manufacturing Co Ltd
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Guangdong Kennede Electronics Manufacturing Co Ltd
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Priority to CN201620315035.9U priority Critical patent/CN205646879U/en
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Abstract

The utility model discloses a novel area is full of instruction and excessive pressure charge protection's circuit, including rechargeable battery and charging source connecting terminal it has unidirectional diode and fuse to establish ties between rechargeable battery and the charging source connecting terminal still be equipped with the control indication circuit between rechargeable battery and the charging source link, the control indication circuit includes first resistance, second resistance, third resistance, fourth resistance, the 5th resistance, the 6th resistance, the 7th resistance, the 8th resistance, the 9th resistance, first triode, second triode, third triode, first pilot lamp, second pilot lamp, first electric capacity, second electric capacity and controllable accurate steady voltage source. The utility model discloses a circuit structure is simple, the stability in use good, its can to the battery charge instruct with excessive pressure charge protection to to a certain extent can effectual solution battery fill or big electricity charging influences the not enough of life because of crossing, the suitability is strong and the practicality is good.

Description

Novel belt is full of the circuit of instruction and overvoltage charge protection
Technical field
This utility model relates to battery charger technical field, is full of the circuit of instruction and overvoltage charge protection particularly to Novel belt.
Background technology
On front market, battery product is far below the nominal life of battery itself service life, causing the main cause this problem occur is that supporting battery charger is unreasonable or precision is inadequate, cause over-charging of battery or large current charge, life-time service affects the battery life-span itself, reduce life of product, have a strong impact on the utilization rate of product.
Utility model content
Main purpose of the present utility model is to provide a kind of Novel belt and is full of the circuit of instruction and overvoltage charge protection, it is intended to the problem that solution over-charging of battery or large current charge affect battery and utilization rate.
nullThe utility model proposes a kind of Novel belt and be full of the circuit of instruction and overvoltage charge protection,Terminal is connected including rechargeable battery and charge power supply,It is connected between terminal with charge power supply at described rechargeable battery and is in series with unilateral diode and electric fuse,Control indicating circuit it is additionally provided with between described rechargeable battery and charged electrical source connection,Described control indicating circuit includes the first resistance、Second resistance、3rd resistance、4th resistance、5th resistance、6th resistance、7th resistance、8th resistance、9th resistance、First audion、Second audion、3rd audion、First display lamp、Second display lamp、First electric capacity、Second electric capacity and controllable accurate source of stable pressure,Described charge power supply is connected terminal and is connected on the colelctor electrode of described first audion by the 3rd resistance,The emitter stage of described first audion is connected on the positive pole of described unilateral diode,The base stage of described first audion is connected with the base stage of the 3rd audion after the 9th resistance and the 5th resistance series circuit,The colelctor electrode of described 3rd audion is connected in the base stage of the second audion by the second resistance,Described charge power supply connects terminal ground connection after the first resistance and the first display lamp series circuit,The base stage of described first audion is connected on the emitter stage of described second audion by the 4th resistance and the emitter stage of described second audion is connected on charge power supply connection terminal,The colelctor electrode of described second audion is by ground connection after the 8th resistance and the second display lamp,The grounded emitter of described 3rd audion,Described first electric capacity is connected between base stage and the emitter stage of described first audion,It is connected between the positive pole of unilateral diode and ground wire after 6th resistance and the 7th resistant series,One end of described second electric capacity is connected on the junction point of the 9th resistance and the 5th resistance、The other end is connected on the junction point of the 6th resistance and the 7th resistance,One end of described controllable accurate source of stable pressure is connected on the junction point of the 9th resistance and the 5th resistance、Other end ground connection,And the end that controls of described controllable accurate source of stable pressure is connected on the junction point of the 6th resistance and the 7th resistance.
Described first audion and the 3rd audion are NPN type triode, and described second audion is PNP type triode.
The chip model of described controllable accurate source of stable pressure is TL431.
Described first display lamp is green light, and described second display lamp is red colored lamp.
Circuit structure of the present utility model is simple, stability in use good; battery charging can be indicated and overvoltage charge protection by it; thus can effectively solve to a certain extent battery because of overcharge or large current charge and affect the deficiency in service life, the suitability is strong and practicality good.
Accompanying drawing explanation
Fig. 1 is embodiment schematic diagram of the present utility model.
The realization of this utility model purpose, functional characteristics and advantage will in conjunction with the embodiments, are described further referring to the drawings.
Detailed description of the invention
Should be appreciated that specific embodiment described herein, only in order to explain this utility model, is not used to limit this utility model.
nullWith reference to Fig. 1,An embodiment of the present utility model is proposed,A kind of Novel belt is full of the circuit of instruction and overvoltage charge protection,Terminal 2 is connected including rechargeable battery 1 and charge power supply,It is connected between terminal 2 with charge power supply at described rechargeable battery 1 and is in series with unilateral diode D1 and electric fuse F1,Control indicating circuit 3 it is additionally provided with between described rechargeable battery 1 and charged electrical source connection 2,Described control indicating circuit 3 includes the first resistance R1、Second resistance R2、3rd resistance R3、4th resistance R4、5th resistance R5、6th resistance R6、7th resistance R7、8th resistance R8、9th resistance R9、One or three pole Q1 pipe、Second audion Q2、3rd audion Q3、First display lamp LED1、Second display lamp LED2、First electric capacity C1、Second electric capacity C2 and controllable accurate source of stable pressure U1,Described charge power supply is connected terminal 2 and is connected on the colelctor electrode of described first audion Q1 by the 3rd resistance R3,The emitter stage of described first audion Q1 is connected on the positive pole of described unilateral diode D1,The base stage of described first audion Q1 is connected with the base stage of the 3rd audion Q3 after the 9th resistance R9 and the 5th resistance R5 series circuit,The colelctor electrode of described 3rd audion Q1 is connected in the base stage of the second audion Q2 by the second resistance R2,Described charge power supply connects terminal 2 ground connection after the first resistance R1 and the first display lamp LED1 series circuit,The base stage of described first audion Q1 is connected on the emitter stage of described second audion Q2 by the 4th resistance R4 and the emitter stage of described second audion Q2 is connected on charge power supply connection terminal 2,The colelctor electrode of described second audion Q2 is by ground connection after the 8th resistance R8 and the second display lamp LED2,The grounded emitter of described 3rd audion Q3,Described first electric capacity C1 is connected between base stage and the emitter stage of described first audion Q1,It is connected to after 6th resistance R6 and the 7th resistance R7 series connection between positive pole and the ground wire of unilateral diode D1,One end of described second electric capacity C2 is connected on the junction point of the 9th resistance R9 and the 5th resistance R5、The other end is connected on the junction point of the 6th resistance R6 and the 7th resistance R7,One end of described controllable accurate source of stable pressure U1 is connected on the junction point of the 9th resistance R9 and the 5th resistance R5、Other end ground connection,And the end that controls of described controllable accurate source of stable pressure U1 is connected on the junction point of the 6th resistance R6 and the 7th resistance R7.
Described first audion and the 3rd audion are NPN type triode, and described second audion is PNP type triode.
The chip model of described controllable accurate source of stable pressure is TL431.
Described first display lamp is green light, and described second display lamp is red colored lamp.
Its operation principle is summarized as follows: when battery is in charged state, VCC provides base current to make Q1 turn on by R4, through diode D1, battery is charged, regulating suitable charging current according to battery capacity be charged by adjusting R3, D1 prevents from reverse battery from powering causing self-discharge of battery to cause battery to cross putting.
VCC lights display lamp LED1 green light by R1, and by R4, R5, R9 provide base current to make Q3 turn on, and make Q2 turn on after Q3 conducting, and LED2 when red is above for charging process circuit operation principle.
When battery is full of, when voltage reaches setting value, pass through R6, R7 resistance detection voltage makes U1 TL431 turn on, and Q1 ends, and stops charging, Q3 is also switched off simultaneously, making Q2 be also switched off, LED2 red led goes out, the most remaining green light, play battery and be full of indicative function, R6, R7 are precision resistance, the accuracy of intensifier circuit.
Circuit structure of the present utility model is simple, stability in use good; battery charging can be indicated and overvoltage charge protection by it; thus can effectively solve to a certain extent battery because of overcharge or large current charge and affect the deficiency in service life, the suitability is strong and practicality good.
The foregoing is only preferred embodiment of the present utility model; not thereby the scope of the claims of the present utility model is limited; every equivalent structure transformation utilizing this utility model description and accompanying drawing content to be made; or directly or indirectly it is used in other relevant technical fields, the most in like manner it is included in scope of patent protection of the present utility model.

Claims (4)

  1. null1. a Novel belt is full of and indicates and the circuit of overvoltage charge protection,Terminal is connected including rechargeable battery and charge power supply,It is connected between terminal with charge power supply at described rechargeable battery and is in series with unilateral diode and electric fuse,It is characterized in that: between described rechargeable battery and charged electrical source connection, be additionally provided with control indicating circuit,Described control indicating circuit includes the first resistance、Second resistance、3rd resistance、4th resistance、5th resistance、6th resistance、7th resistance、8th resistance、9th resistance、First audion、Second audion、3rd audion、First display lamp、Second display lamp、First electric capacity、Second electric capacity and controllable accurate source of stable pressure,Described charge power supply is connected terminal and is connected on the colelctor electrode of described first audion by the 3rd resistance,The emitter stage of described first audion is connected on the positive pole of described unilateral diode,The base stage of described first audion is connected with the base stage of the 3rd audion after the 9th resistance and the 5th resistance series circuit,The colelctor electrode of described 3rd audion is connected in the base stage of the second audion by the second resistance,Described charge power supply connects terminal ground connection after the first resistance and the first display lamp series circuit,The base stage of described first audion is connected on the emitter stage of described second audion by the 4th resistance and the emitter stage of described second audion is connected on charge power supply connection terminal,The colelctor electrode of described second audion is by ground connection after the 8th resistance and the second display lamp,The grounded emitter of described 3rd audion,Described first electric capacity is connected between base stage and the emitter stage of described first audion,It is connected between the positive pole of unilateral diode and ground wire after 6th resistance and the 7th resistant series,One end of described second electric capacity is connected on the junction point of the 9th resistance and the 5th resistance、The other end is connected on the junction point of the 6th resistance and the 7th resistance,One end of described controllable accurate source of stable pressure is connected on the junction point of the 9th resistance and the 5th resistance、Other end ground connection,And the end that controls of described controllable accurate source of stable pressure is connected on the junction point of the 6th resistance and the 7th resistance.
  2. Novel belt the most according to claim 1 is full of the circuit of instruction and overvoltage charge protection, it is characterised in that: described first audion and the 3rd audion are NPN type triode, and described second audion is PNP type triode.
  3. Novel belt the most according to claim 1 is full of the circuit of instruction and overvoltage charge protection, it is characterised in that: the chip model of described controllable accurate source of stable pressure is TL431.
  4. Novel belt the most according to claim 1 is full of the circuit of instruction and overvoltage charge protection, it is characterised in that: described first display lamp is green light, and described second display lamp is red colored lamp.
CN201620315035.9U 2016-04-15 2016-04-15 Novel area is full of instruction and excessive pressure charge protection's circuit Active CN205646879U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201620315035.9U CN205646879U (en) 2016-04-15 2016-04-15 Novel area is full of instruction and excessive pressure charge protection's circuit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201620315035.9U CN205646879U (en) 2016-04-15 2016-04-15 Novel area is full of instruction and excessive pressure charge protection's circuit

Publications (1)

Publication Number Publication Date
CN205646879U true CN205646879U (en) 2016-10-12

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106655414A (en) * 2017-03-13 2017-05-10 四川力垦锂动力科技有限公司 Lithium ion storage battery with high capacity and instant high-rate discharge performance
CN107196390A (en) * 2017-06-14 2017-09-22 桂林电子科技大学 A kind of wireless charging device and method

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106655414A (en) * 2017-03-13 2017-05-10 四川力垦锂动力科技有限公司 Lithium ion storage battery with high capacity and instant high-rate discharge performance
CN107196390A (en) * 2017-06-14 2017-09-22 桂林电子科技大学 A kind of wireless charging device and method
CN107196390B (en) * 2017-06-14 2023-04-18 桂林电子科技大学 Wireless charging device and method

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