CN103884997A - Mobile power supply charging-discharging capacity testing system - Google Patents
Mobile power supply charging-discharging capacity testing system Download PDFInfo
- Publication number
- CN103884997A CN103884997A CN201410140276.XA CN201410140276A CN103884997A CN 103884997 A CN103884997 A CN 103884997A CN 201410140276 A CN201410140276 A CN 201410140276A CN 103884997 A CN103884997 A CN 103884997A
- Authority
- CN
- China
- Prior art keywords
- throw switch
- pole double
- spdt
- charging
- mcu
- 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
Images
Landscapes
- Secondary Cells (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
The invention discloses a mobile power supply charging-discharging capacity testing system which comprises a battery pack to be tested, a battery electric quantity monitoring chip, an MCU, a testing resistor, a discharging single-pole double-throw switch, a charging single-pole double-throw switch, a charger and a discharging resistor. The battery electric quantity monitoring chip extends to form a positive connector and a negative connector which are used for being connected with a positive electrode and a negative electrode of the battery pack to be tested. The testing resistor, the charging single-pole double-throw switch and the charger are connected in series in sequence between the positive connector and the negative connector of the battery electric quantity monitoring chip. The testing resistor is connected in parallel between the negative connector of the battery electric quantity monitoring chip and a third port at the same time. The battery electric quantity monitoring chip extends to form a fourth end to be connected with the MCU. The MCU extends to form ports in sequence, and the ports are connected with the two ends of the discharging single-pole double-throw switch and the two ends of the charging single-pole double-throw switch. The mobile power supply charging-discharging capacity testing system is simple, an operation process is convenient, and the voltage, the current and the capacity of the battery pack can be monitored in real time.
Description
Technical field
The present invention relates to a kind of portable power source charge/discharge capacity test macro.
Background technology
At present, existing portable power source charge/discharge capacity test macro, generally more complicated, cost is also higher.
Summary of the invention
In order to overcome above-mentioned defect, the invention provides a kind of portable power source charge/discharge capacity test macro.
The present invention for the technical scheme that solves its technical matters and adopt is: a kind of portable power source charge/discharge capacity test macro, comprise electric battery to be measured, monitoring cell electricity quantity chip, MCU, measuring resistance, electric discharge single-pole double-throw switch (SPDT), charging single-pole double-throw switch (SPDT), charger and discharge resistance, monitoring cell electricity quantity chip is extended with the positive and negative joint for connecting electric battery both positive and negative polarity to be measured, is connected in series successively measuring resistance, charging single-pole double-throw switch (SPDT) and charger between the positive and negative joint of this monitoring cell electricity quantity chip; Measuring resistance is connected between the negative joint and the 3rd port of monitoring cell electricity quantity chip simultaneously, this monitoring cell electricity quantity chip is extended with again the 4th port and connects MCU, this MCU stretches out successively port and connects electric discharge single-pole double-throw switch (SPDT) and charging single-pole double-throw switch (SPDT), the two ends of parallel connection after being connected in series with charge single-pole double-throw switch (SPDT) and charger after electric discharge single-pole double-throw switch (SPDT) be connected in series with discharge resistance.
As a further improvement on the present invention, be also connected with LED light and LCD display board on described MCU, this LED light comprises for the green LED lamp of indication and the red LED lamp for the indication of discharging of charging.
As a further improvement on the present invention, described monitoring cell electricity quantity chip is Ti BQ2700.
The invention has the beneficial effects as follows: this portable power source charge/discharge capacity test macro is simple, operating process is convenient, in real time voltage, electric current and the capacity of monitoring battery group.
Accompanying drawing explanation
Fig. 1 is principle of the invention figure;
Embodiment
By reference to the accompanying drawings, the present invention is elaborated, but protection scope of the present invention is not limited to following embodiment, the simple equivalence of in every case being done with the present patent application the scope of the claims and description changes and modifies, within all still belonging to patent covering scope of the present invention.
As shown in Figure 1, a kind of portable power source charge/discharge capacity test macro, comprise electric battery 1 to be measured, monitoring cell electricity quantity chip 2, MCU3, measuring resistance RS, electric discharge single-pole double-throw switch (SPDT) K1, charging single-pole double-throw switch (SPDT) K2, charger 4 and discharge resistance 5, monitoring cell electricity quantity chip is extended with the positive and negative joint for connecting electric battery both positive and negative polarity to be measured, is connected in series successively measuring resistance, charging single-pole double-throw switch (SPDT) and charger between the positive and negative joint of this monitoring cell electricity quantity chip; Measuring resistance is connected between the negative joint and the 3rd port of monitoring cell electricity quantity chip simultaneously, this monitoring cell electricity quantity chip is extended with again the 4th port and connects MCU, this MCU stretches out successively port and connects electric discharge single-pole double-throw switch (SPDT) and charging single-pole double-throw switch (SPDT), the two ends of parallel connection after being connected in series with charge single-pole double-throw switch (SPDT) and charger after electric discharge single-pole double-throw switch (SPDT) be connected in series with discharge resistance.
On described MCU, be also connected with LED light 6 and LCD display board 7, this LED light comprises for the green LED lamp of indication and the red LED lamp for the indication of discharging of charging.
Described monitoring cell electricity quantity chip is Ti BQ2700.
BQ2700 detects battery voltage, charging and discharging currents, charge/discharge capacity, MCU carries out read-write operation to BQ2700, export and on LCD display board, show the data such as voltage, electric current, capacity by serial ports, MCU controls the charge and discharge switch of electric battery simultaneously, and single-pole double-throw switch (SPDT) and electric discharge single-pole double-throw switch (SPDT) charge.
The course of work is as follows:
1. electric battery is connected on the interface of tester, LCD shows battery voltage, and red LED lamp is bright, and click keys starts charge and discharge cycles test, and loop test is divided into three steps, charging, electric discharge, charging.
2. in first step charging, green LED lamp is glimmered, and LCD shows battery voltage, charging current, charging capacity.
3. in second step electric discharge, red LED lamp is glimmered, and LCD shows battery voltage, discharge current, discharge capacity.
4. in the 3rd step charging, green LED lamp is glimmered, and LCD shows battery voltage, charging current, charging capacity.After charging finishes, red, green LED lamp Chang Liang, LCD shows battery voltage, total volume.
Claims (3)
1. a portable power source charge/discharge capacity test macro, it is characterized in that: comprise electric battery to be measured (1), monitoring cell electricity quantity chip (2), MCU(3), measuring resistance (RS), electric discharge single-pole double-throw switch (SPDT) (K1), charging single-pole double-throw switch (SPDT) (K2), charger (4) and discharge resistance (5), monitoring cell electricity quantity chip is extended with the positive and negative joint for connecting electric battery both positive and negative polarity to be measured, is connected in series successively measuring resistance, charging single-pole double-throw switch (SPDT) and charger between the positive and negative joint of this monitoring cell electricity quantity chip; Measuring resistance is connected between the negative joint and the 3rd port of monitoring cell electricity quantity chip simultaneously, this monitoring cell electricity quantity chip is extended with again the 4th port and connects MCU, this MCU stretches out successively port and connects electric discharge single-pole double-throw switch (SPDT) and charging single-pole double-throw switch (SPDT), the two ends of parallel connection after being connected in series with charge single-pole double-throw switch (SPDT) and charger after electric discharge single-pole double-throw switch (SPDT) be connected in series with discharge resistance.
2. portable power source charge/discharge capacity test macro according to claim 1, it is characterized in that: on described MCU, be also connected with LED light (6) and LCD display board (7), this LED light comprises for the green LED lamp of indication and the red LED lamp for the indication of discharging of charging.
3. portable power source charge/discharge capacity test macro according to claim 1, is characterized in that: described monitoring cell electricity quantity chip is Ti BQ2700.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410140276.XA CN103884997A (en) | 2014-04-09 | 2014-04-09 | Mobile power supply charging-discharging capacity testing system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410140276.XA CN103884997A (en) | 2014-04-09 | 2014-04-09 | Mobile power supply charging-discharging capacity testing system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103884997A true CN103884997A (en) | 2014-06-25 |
Family
ID=50953998
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410140276.XA Pending CN103884997A (en) | 2014-04-09 | 2014-04-09 | Mobile power supply charging-discharging capacity testing system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103884997A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105487014A (en) * | 2015-10-30 | 2016-04-13 | 杭州伯坦科技工程有限公司 | Method and device for predicting lithium battery capacity |
| CN105842624A (en) * | 2015-01-14 | 2016-08-10 | 宝创企业股份有限公司 | Mobile power device suitable for measuring capacities of other mobile power supplies |
| CN110850308A (en) * | 2019-11-25 | 2020-02-28 | 中国船舶重工集团公司第七一六研究所 | Battery state detection system and method |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5519563A (en) * | 1994-07-06 | 1996-05-21 | Mitsumi Electric Co., Ltd. | Protection circuit for electric cells from overcharge and overdischarge using a plurality of detection units of a single chip type |
| CN102751703A (en) * | 2011-04-19 | 2012-10-24 | 昆山百世特斯电子有限公司 | Rechargeable battery protector |
| CN102751704A (en) * | 2011-04-19 | 2012-10-24 | 昆山百世特斯电子有限公司 | Voltage detecting type rechargeable battery protector |
| CN202995007U (en) * | 2012-12-13 | 2013-06-12 | 深圳市金威澎电子有限公司 | Tester used for testing mobile power supply |
-
2014
- 2014-04-09 CN CN201410140276.XA patent/CN103884997A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5519563A (en) * | 1994-07-06 | 1996-05-21 | Mitsumi Electric Co., Ltd. | Protection circuit for electric cells from overcharge and overdischarge using a plurality of detection units of a single chip type |
| CN102751703A (en) * | 2011-04-19 | 2012-10-24 | 昆山百世特斯电子有限公司 | Rechargeable battery protector |
| CN102751704A (en) * | 2011-04-19 | 2012-10-24 | 昆山百世特斯电子有限公司 | Voltage detecting type rechargeable battery protector |
| CN202995007U (en) * | 2012-12-13 | 2013-06-12 | 深圳市金威澎电子有限公司 | Tester used for testing mobile power supply |
Non-Patent Citations (1)
| Title |
|---|
| 王天福等: "动力锂电池组充放电智能管理系统设计与实现", 《电源技术》 * |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105842624A (en) * | 2015-01-14 | 2016-08-10 | 宝创企业股份有限公司 | Mobile power device suitable for measuring capacities of other mobile power supplies |
| CN105487014A (en) * | 2015-10-30 | 2016-04-13 | 杭州伯坦科技工程有限公司 | Method and device for predicting lithium battery capacity |
| CN110850308A (en) * | 2019-11-25 | 2020-02-28 | 中国船舶重工集团公司第七一六研究所 | Battery state detection system and method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN107870283A (en) | BMS wiring testing devices and method | |
| CN203688636U (en) | System for detecting voltage of single battery unit of series battery pack | |
| CN104122884A (en) | Simulation test device of battery management system | |
| CN104280684A (en) | Battery life detection device | |
| CN103852726A (en) | Battery electric quantity detection device | |
| CN103884997A (en) | Mobile power supply charging-discharging capacity testing system | |
| CN203133226U (en) | Polarity testing instrument for current transformer | |
| CN202798035U (en) | Charging mode detection circuit and mobile terminal | |
| CN104166057A (en) | Lithium battery guard plate testing system | |
| CN204758773U (en) | Simulation battery circuit and charging circuit detection circuitry | |
| CN102253346B (en) | Method and device for automatically testing battery charging | |
| CN102680937A (en) | Temporary loader for site verification of electric energy metering device | |
| CN103645407B (en) | A kind of direct-current low-voltage tester | |
| CN202995007U (en) | Tester used for testing mobile power supply | |
| CN105259466A (en) | A mutual inductor polarity test acousto-optic alarm instrument | |
| CN203299352U (en) | Cell insulation detection device | |
| CN204374273U (en) | A kind of handheld digital secondary pressure plate measuring instrument | |
| CN106501725A (en) | A kind of battery pack open circuit detection method and device | |
| CN102544408B (en) | Battery box and mobile phone charging and discharging testing system | |
| CN202649459U (en) | Temporary load device for electric energy metering device field calibration | |
| CN205844436U (en) | Intelligent set top box power supply adaptor performance detector | |
| CN204903730U (en) | Power fills discharge capacity test circuit | |
| CN209028440U (en) | A kind of circulating battery test automatic control device | |
| CN203849351U (en) | Direct current low_voltage tester | |
| CN203287424U (en) | Surge current testing device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20140625 |