CN201781295U - Intelligent charger - Google Patents

Intelligent charger Download PDF

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Publication number
CN201781295U
CN201781295U CN2010202319697U CN201020231969U CN201781295U CN 201781295 U CN201781295 U CN 201781295U CN 2010202319697 U CN2010202319697 U CN 2010202319697U CN 201020231969 U CN201020231969 U CN 201020231969U CN 201781295 U CN201781295 U CN 201781295U
Authority
CN
China
Prior art keywords
circuit
input
interface circuit
output
intelligent charging
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
Application number
CN2010202319697U
Other languages
Chinese (zh)
Inventor
李斌
夏天成
李海
刘志平
王勇
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Changzhou Guoguang Data Communication Co Ltd
Original Assignee
Changzhou Guoguang Data Communication Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Changzhou Guoguang Data Communication Co Ltd filed Critical Changzhou Guoguang Data Communication Co Ltd
Priority to CN2010202319697U priority Critical patent/CN201781295U/en
Application granted granted Critical
Publication of CN201781295U publication Critical patent/CN201781295U/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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Abstract

The utility model discloses an intelligent charger which comprises a singlechip control circuit, a switching power supply circuit, an input end interface circuit and an output end interface circuit, wherein the input end interface circuit is connected with an external power supply and used for automatically detecting the type of a rechargeable battery and feeding back the type of the battery to the singlechip control circuit; the singlechip control circuit is used for controlling the switching power supply circuit according to the type of the battery; the switching power supply circuit is used for regulating the output voltage in real time; and the output end interface circuit is connected with the rechargeable battery or electric equipment. In the utility model, a voltage stabilization power supply algorithm and various types of battery charging algorithms are preset in the singlechip; the input end interface circuit can automatically detect the type of the rechargeable battery to be charged; and then the singlechip control circuit charges by adopting different algorithms according to different rechargeable battery types. The utility model has the advantages of strong generality and multiple functions and saves the cost.

Description

Intelligent charging machine
Technical field
The utility model relates to a kind of dc suppling equipment, particularly a kind of intelligent charging machine.
Background technology
At present, public charger all adopts the civil power alternating current 220V to be the input power supply, and the voltage stabilizing direct current way of output is a battery charge.But the kind of its chargeable battery is single, is divided into lithium cell charging machine and nickel-based battery charger usually, and different batteries must be equipped with different chargers, and versatility is poor, has increased customer using cost.Simultaneously, existing charger does not have alternating current input and promptly can't work inconvenient user's urgent need.In addition, existing charger does not adopt LCDs to inform the charged state that is recharged battery, only represent respectively with two kinds of colors of dual-colored LED lamp whether battery charges and finish, can not provide current charge informations such as battery electric quantity to the user, man-machine interaction performance deficiency.
The utility model content
The purpose of this utility model is to solve above-mentioned defective of the prior art, and a kind of intelligent charging machine is provided, and it can charge highly versatile for multiple battery.
The technical scheme that realizes the utility model purpose is a kind of intelligent charging machine, comprises single chip machine controlling circuit, switching power circuit, input end interface circuit and output interface circuit; The input end interface circuit connects external power source, detects the rechargeable battery type automatically and feeds back to single chip machine controlling circuit; Single chip machine controlling circuit is according to battery types control switching circuit; Switching power circuit is regulated output voltage in real time; The output interface circuit connects rechargeable battery or power consumption equipment.
Intelligent charging machine also comprises input protective circuit and output protective circuit; Described input protective circuit and output protective circuit are controlled by single chip machine controlling circuit; when abnormal conditions such as overcurrent, overvoltage, short circuit occurring when the single chip machine controlling circuit decision circuitry, single chip machine controlling circuit starts input protective circuit and output protective circuit and reports to the police and intelligent charging machine is protected.
Described input end interface circuit comprises first input end interface circuit that uses the direct current input and the second input end interface circuit of being furnished with the AC/DC transducer certainly; Described switching power circuit comprises first switching power circuit corresponding with two-way input end interface circuit and second switch power circuit; Described output interface circuit comprises the first output interface circuit corresponding with two-way input end interface circuit and the second output interface circuit; Described input protective circuit comprises the first input end protective circuit corresponding with two-way input end interface circuit and the second input protective circuit; Described output protective circuit comprises the first output protective circuit corresponding with two-way input end interface circuit and the second output protective circuit.
Intelligent charging machine also comprises liquid crystal display screen control circuit and liquid crystal display screen; Described single chip machine controlling circuit shows by the liquid crystal display screen control circuit working condition of intelligent charging machine on liquid crystal display screen.
The working condition of described intelligent charging machine comprises current supply power voltage value, power supply current value, charging voltage value, charging current value, charging Percent Complete.
Intelligent charging machine also comprises current detection circuit; Described current detection circuit detects the variation of the output current of input end interface circuit, and these data are fed back to single chip machine controlling circuit, thereby the control switching circuit is regulated output voltage in real time; When the output current of current detection circuit detection input end interface circuit reached the charging termination condition, single chip machine controlling circuit cut off circuit and finishes charging.
Adopted technique scheme, the utlity model has beneficial effect: (1) intelligent charging machine of the present utility model is by the whole charger of single chip machine controlling circuit Based Intelligent Control, in single-chip microcomputer, be preset with voltage stabilizing power supply algorithm and various types of battery charge algorithm, the input end interface circuit can detect cell types to be charged automatically, single chip machine controlling circuit adopts different algorithm chargings according to different rechargeable battery types then, such as when the time, adopt constant voltage charging method for lithium battery, ferric phosphate lithium cell charging; When being Ni-MH battery, nickel-cadmium cell charging, adopt constant current-constant voltage charging method.Therefore the charging scope of intelligent charging machine of the present utility model covers multiple battery such as lithium battery, lithium polymer battery, Ni-MH battery, nickel-cadmium cell, highly versatile, and a tractor serves several purposes is saved cost.
(2) during intelligent charging machine of the present utility model charging, when abnormal conditions such as overcurrent, overvoltage, short circuit occurring, single chip machine controlling circuit can start protective circuit immediately and report to the police and self is protected.
(3) interface circuit of the present utility model is provided with two-way, can also can use the AC/DC transducer of configuration to connect the alternating current 220V input directly for power consumption equipment provides D.C. regulated power supply, is user-friendly to.
(4) liquid crystal display screen of the present utility model can show the situation of the charge condition that is recharged battery and DC voltage-stabilizing power supply in real time, and the man-machine interaction performance is good.
(5) current feedback of the current detection circuit of intelligent charging machine of the present utility model energy testing circuit, when detecting the charging termination condition, this charger automatic shutdown circuit is finished charging.Single chip machine controlling circuit comes control switching circuit adjustment output voltage according to the variation of the detected output current value of current detection circuit simultaneously.
Description of drawings
Content of the present utility model is easier to be expressly understood in order to make, and according to specific embodiment also in conjunction with the accompanying drawings, the utility model is described in further detail, wherein below
Fig. 1 is a theory diagram of the present utility model.
Embodiment
(embodiment 1)
See Fig. 1; the intelligent charging machine of present embodiment comprises single chip machine controlling circuit 1, switching power circuit 2, input end interface circuit 3, output interface circuit 4, input protective circuit and output protective circuit 6, liquid crystal display screen control circuit 7, liquid crystal display screen 8 and current detection circuit 9.
Single chip machine controlling circuit 1 is the core of the intelligent charging machine of present embodiment, and it is according to battery types control switching circuit 2, in be made as the algorithms of different of dissimilar battery charge, when being lithium battery, ferric phosphate lithium cell charging, adopt constant voltage charging method; When being Ni-MH battery, nickel-cadmium cell charging, adopt constant current-constant voltage charging method.Switching power circuit 2 is regulated output voltage in real time.Input end interface circuit 3 connects external power source, detects the rechargeable battery type automatically and feeds back to single chip machine controlling circuit 1; Output interface circuit 4 connects rechargeable battery or power consumption equipment.Input protective circuit 5 and output protective circuit 6 are by single chip machine controlling circuit 1 control; when abnormal conditions such as overcurrent, overvoltage, short circuit occurring when single chip machine controlling circuit 1 decision circuitry, single chip machine controlling circuit 1 starts input protective circuit 5 and output protective circuit 6 and reports to the police and intelligent charging machine is protected.Single chip machine controlling circuit 1 comprises that with the working condition of intelligent charging machine current supply power voltage value, power supply current value, charging voltage value, charging current value, charging Percent Complete etc. show on liquid crystal display screen 8 by liquid crystal display screen control circuit 7.Current detection circuit 9 detects the variation of the output current of input end interface circuit 3, and these data are fed back to single chip machine controlling circuit 1, thereby control switching circuit 2 is regulated output voltage in real time; When the output current of current detection circuit 9 detection input end interface circuit 3 reached the charging termination condition, single chip machine controlling circuit 1 cut off circuit and finishes charging.
But for realizing that without alternating current input also operate as normal input end interface circuit 3 comprises first input end interface circuit 3-1 that uses the direct current input and the second input end interface circuit 3-2 two-way of being furnished with the AC/DC transducer certainly.For this reason, switching power circuit 2 comprises first switching power circuit 2-1 and the second switch power circuit 2-2 corresponding with two-way input end interface circuit 3; Output interface circuit 4 comprises first output interface circuit 4-1 and the second output interface circuit 4-2 corresponding with two-way input end interface circuit 3; Input protective circuit 5 comprises first input end protective circuit 5-1 and the second input protective circuit 5-2 corresponding with two-way input end interface circuit 3; Output protective circuit 6 comprises first output protective circuit 6-1 and the second output protective circuit 6-2 corresponding with two-way input end interface circuit 3.
The intelligent charging machine of present embodiment in use, the user is provided with rechargeable battery type and capacity or power consumption equipment model, output voltage perhaps directly is set, come to power for lithium battery, ferric phosphate lithium cell, Ni-MH battery, nickel-cadmium cell charging with for the power consumption equipment DC voltage-stabilizing, under the situation that does not have alternating current, first input end interface circuit 3-1 connects the battery pack of autogamy, and battery to be charged or power consumption equipment are connected to the first output interface circuit 4-1.Intelligent charging machine uses switching power circuit 2 to be equipped with the suspended grid drive circuit, input voltage is boosted or is depressured to the output voltage values that the user sets.When detecting situation such as overvoltage, under-voltage, overcurrent, short circuit when input, output port, intelligent charging machine can cut off internal circuit automatically, and display alarm information on the liquid crystal display screen 8 reaches the purpose of protection self.
Above-described specific embodiment; the purpose of this utility model, technical scheme and beneficial effect are further described; institute is understood that; the above only is a specific embodiment of the utility model; be not limited to the utility model; all within spirit of the present utility model and principle, any modification of being made, be equal to replacement, improvement etc., all should be included within the protection range of the present utility model.

Claims (6)

1. an intelligent charging machine is characterized in that: comprise single chip machine controlling circuit (1), switching power circuit (2), input end interface circuit (3) and output interface circuit (4); Input end interface circuit (3) connects external power source, detects the rechargeable battery type automatically and feeds back to single chip machine controlling circuit (1); Single chip machine controlling circuit (1) is according to battery types control switching circuit (2); Switching power circuit (2) is regulated output voltage in real time; Output interface circuit (4) connects rechargeable battery or power consumption equipment.
2. intelligent charging machine according to claim 1 is characterized in that: also comprise input protective circuit (5) and output protective circuit (6); Described input protective circuit (5) and output protective circuit (6) are controlled by single chip machine controlling circuit (1).
3. intelligent charging machine according to claim 2 is characterized in that: described input end interface circuit (3) comprises first input end interface circuit (3-1) that uses the direct current input and the second input end interface circuit (3-2) of being furnished with the AC/DC transducer certainly; Described switching power circuit (2) comprises first switching power circuit (2-1) and the second switch power circuit (2-2) corresponding with two-way input end interface circuit (3); Described output interface circuit (4) comprises the first output interface circuit (4-1) corresponding with two-way input end interface circuit (3) and the second output interface circuit (4-2); Described input protective circuit (5) comprises the first input end protective circuit (5-1) corresponding with two-way input end interface circuit (3) and the second input protective circuit (5-2); Described output protective circuit (6) comprises the first output protective circuit (6-1) corresponding with two-way input end interface circuit (3) and the second output protective circuit (6-2).
4. according to the described intelligent charging machine of one of claim 1 to 3, it is characterized in that: also comprise liquid crystal display screen control circuit (7) and liquid crystal display screen (8); Described single chip machine controlling circuit (1) shows by liquid crystal display screen control circuit (7) working condition of intelligent charging machine on liquid crystal display screen (8).
5. intelligent charging machine according to claim 4 is characterized in that: the working condition of described intelligent charging machine comprises current supply power voltage value, power supply current value, charging voltage value, charging current value, charging Percent Complete.
6. intelligent charging machine according to claim 5 is characterized in that: also comprise current detection circuit (9); Described current detection circuit (9) detects the variation of the output current of input end interface circuit (3), and these data are fed back to single chip machine controlling circuit (1).
CN2010202319697U 2010-06-22 2010-06-22 Intelligent charger Expired - Fee Related CN201781295U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN2010202319697U CN201781295U (en) 2010-06-22 2010-06-22 Intelligent charger

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN2010202319697U CN201781295U (en) 2010-06-22 2010-06-22 Intelligent charger

Publications (1)

Publication Number Publication Date
CN201781295U true CN201781295U (en) 2011-03-30

Family

ID=43794498

Family Applications (1)

Application Number Title Priority Date Filing Date
CN2010202319697U Expired - Fee Related CN201781295U (en) 2010-06-22 2010-06-22 Intelligent charger

Country Status (1)

Country Link
CN (1) CN201781295U (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102185353A (en) * 2011-05-11 2011-09-14 常州市宙纳新能源科技有限公司 Intelligent repair charging instrument
CN104701935A (en) * 2015-02-12 2015-06-10 上海卫星装备研究所 High-reliability mobile DC power source

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102185353A (en) * 2011-05-11 2011-09-14 常州市宙纳新能源科技有限公司 Intelligent repair charging instrument
CN104701935A (en) * 2015-02-12 2015-06-10 上海卫星装备研究所 High-reliability mobile DC power source

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Legal Events

Date Code Title Description
GR01 Patent grant
C14 Grant of patent or utility model
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20110330

Termination date: 20180622

CF01 Termination of patent right due to non-payment of annual fee