CN103197261A - Automatic monitoring type electronic load current aging device - Google Patents
Automatic monitoring type electronic load current aging device Download PDFInfo
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- CN103197261A CN103197261A CN2013100959127A CN201310095912A CN103197261A CN 103197261 A CN103197261 A CN 103197261A CN 2013100959127 A CN2013100959127 A CN 2013100959127A CN 201310095912 A CN201310095912 A CN 201310095912A CN 103197261 A CN103197261 A CN 103197261A
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Abstract
The invention discloses an automatic monitoring type electronic load current aging device which comprises a personal computer (PC), a liquid crystal display (LCD) screen, an LCD driving control circuit, a micro control unit (MCU) control circuit, a voltage and current detecting circuit, a constant current (CC) electric discharging control circuit and a plurality of power supplies which are capable of carrying load and connected in parallel. The LCD driving control circuit controls the LCD screen to work, and the PC is connected with the MCU control circuit. The CC electric discharging control circuit carries out respective constant-current discharging on the plurality of power supplies which are capable of carrying the load and connected in parallel, and the voltage and current detecting circuit detects the current values and the voltage values of the CC electric discharging control circuit and converts the current values and the voltage values into digital signals and transmits the current values and the voltage values to the MCU control circuit. The MCU control circuit converts the received digital signals and then sends the digital signals to the LCD driving control circuit, and the LCD screen displays the digital signals. By combining with the PC, the automatic monitoring type electronic load current aging device can simultaneously observe multiple groups of data changes in real time, enables a user to carry out an operation conveniently, and is safe and stable, and a PC side can independently control the test time of each parallel channel.
Description
Technical field
The present invention relates to a kind of automatic monitoring type electronic load electric current aging equipment.
Background technology
After producing, power supply product needs it is worn out, so that its stable performance.Present aging mode generally adopts the power module pull-up resistor to carry out voltage and wears out.But there is the cost height in this mode, uses defectives such as inconvenience and efficient are low.
Summary of the invention
In order to overcome above-mentioned defective, the invention provides a kind of automatic monitoring type electronic load electric current aging equipment, change by observing many group real time datas simultaneously with PC combination, user-friendly, safety, stable.
The present invention for the technical scheme that solves its technical matters and adopt is: a kind of automatic monitoring type electronic load electric current aging equipment, the live the be with source that comprises PC, LCD display, LCD Drive and Control Circuit, MCU control circuit, electric current and voltage circuit for detecting, CC charge/discharge control circuit and several parallel connections, the work of the described LCD display of described LCD drive control circuit, described PC connects described MCU control circuit; Described CC charge/discharge control circuit is distinguished constant-current discharge to the live the be with source of several parallel connections, described electric current and voltage circuit for detecting is detected electric current and the magnitude of voltage in the described CC charge/discharge control circuit and is converted digital data transmission to and gives described MCU control circuit, is transported in the described LCD Drive and Control Circuit and in described LCD display after described MCU control circuit is changed the digital signal that receives to show.
As a further improvement on the present invention, described PC is connected on the described MCU control circuit by the RS232 transmission circuit.
As a further improvement on the present invention, serial connection one detecting resistance in described CC charge/discharge control circuit, described electric current and voltage circuit for detecting is gathered the voltage and current signal of this detecting resistance in real time.
As a further improvement on the present invention, described CC charge/discharge control circuit limits described maximum discharge current with the live source, and is provided with in this CC charge/discharge control circuit for the adjusting resistance of regulating described discharge current size with the live source.
The invention has the beneficial effects as follows: 1. stable, the safety of CC charge/discharge control circuit, adjustable current precision height.2. the job stability based on MCU is strong, and the speed of transmission communication conversion is strong.3. support a plurality of devices in series communications, the PC end can be observed many group real time datas and change.4. have the D Presentation Function, user-friendly.
Description of drawings
Fig. 1 is modular structure synoptic diagram of the present invention.
By reference to the accompanying drawings, make the following instructions:
1---PC 2---LCD display
3---LCD Drive and Control Circuit 4---MCU control circuit
5---electric current and voltage circuit for detecting 6---CC charge/discharge control circuit
7---can be with live source 8---RS232 transmission circuit
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, namely the simple equivalent of being done with the present patent application claim and description in every case changes and modifies, and all still belongs within the patent covering scope of the present invention.
As shown in Figure 1, a kind of automatic monitoring type electronic load electric current aging equipment, the live the be with source 7 that comprises PC1, LCD display 2, LCD Drive and Control Circuit 3, MCU control circuit 4, electric current and voltage circuit for detecting 5, CC charge/discharge control circuit 6 and several parallel connections, the work of the described LCD display of described LCD drive control circuit, described PC connects described MCU control circuit; Described CC charge/discharge control circuit is distinguished constant-current discharge to the live the be with source of several parallel connections, described electric current and voltage circuit for detecting is detected electric current and the magnitude of voltage in the described CC charge/discharge control circuit and is converted digital data transmission to and gives described MCU control circuit, is transported in the described LCD Drive and Control Circuit and in described LCD display after described MCU control circuit is changed the digital signal that receives to show.
Preferably, described PC is connected on the described MCU control circuit by RS232 transmission circuit (8), with the upper computer software that test data conversion is become the ASCLL sign indicating number be transferred to PC by the connection to the RS232 interface data are carried out hexadecimal conversion back keeping records, thereby to realize the online transmission of data, on PC, data are in time stored.
Preferably, serial connection one detecting resistance in described CC charge/discharge control circuit, described electric current and voltage circuit for detecting is gathered the voltage and current signal of this detecting resistance in real time.
Preferably, described CC charge/discharge control circuit limits described maximum discharge current with the live source, and is provided with in this CC charge/discharge control circuit for the adjusting resistance of regulating described discharge current size with the live source.
This automatic monitoring type electronic load electric current aging equipment is when work, can set different discharge environment by the CC charge/discharge control circuit, and change by current/voltage circuit for detecting detecting real-time electric current and voltage, can finely tune discharge environment in the loop by adjustable resistance simultaneously.This aging equipment is supported platform serial connection mode is tested out every electric current and voltage in the equipment loop accurately, and shows by LCD display, can also pass through the RS232 serial ports simultaneously, connects the PC end, and recording real-time data is also preserved.Simultaneously, the PC end can be controlled the test duration of each parallel port separately.
Claims (4)
1. automatic monitoring type electronic load electric current aging equipment, it is characterized in that: comprise PC(1), the live the be with source (7) of LCD display (2), LCD Drive and Control Circuit (3), MCU control circuit (4), electric current and voltage circuit for detecting (5), CC charge/discharge control circuit (6) and several parallel connections, the work of the described LCD display of described LCD drive control circuit, described PC connects described MCU control circuit; Described CC charge/discharge control circuit is distinguished constant-current discharge to the live the be with source of several parallel connections, described electric current and voltage circuit for detecting is detected electric current and the magnitude of voltage in the described CC charge/discharge control circuit and is converted digital data transmission to and gives described MCU control circuit, is transported in the described LCD Drive and Control Circuit and in described LCD display after described MCU control circuit is changed the digital signal that receives to show.
2. automatic monitoring type electronic load electric current aging equipment according to claim 1, it is characterized in that: described PC is connected on the described MCU control circuit by RS232 transmission circuit (8).
3. automatic monitoring type electronic load electric current aging equipment according to claim 1 and 2, it is characterized in that: serial connection one detecting resistance in described CC charge/discharge control circuit, described electric current and voltage circuit for detecting is gathered the voltage and current signal of this detecting resistance in real time.
4. automatic monitoring type electronic load electric current aging equipment according to claim 1 and 2, it is characterized in that: described CC charge/discharge control circuit limits described maximum discharge current with the live source, and is provided with in this CC charge/discharge control circuit for the adjusting resistance of regulating described discharge current size with the live source.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013100959127A CN103197261A (en) | 2013-03-25 | 2013-03-25 | Automatic monitoring type electronic load current aging device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013100959127A CN103197261A (en) | 2013-03-25 | 2013-03-25 | Automatic monitoring type electronic load current aging device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103197261A true CN103197261A (en) | 2013-07-10 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2013100959127A Pending CN103197261A (en) | 2013-03-25 | 2013-03-25 | Automatic monitoring type electronic load current aging device |
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| CN (1) | CN103197261A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103487767A (en) * | 2013-09-11 | 2014-01-01 | 深圳市九洲电器有限公司 | Load driving circuit and electronic load |
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| US5543245A (en) * | 1993-03-15 | 1996-08-06 | Alcatel Converters | System and method for monitoring battery aging |
| CN2636253Y (en) * | 2003-07-01 | 2004-08-25 | 烟台东方电子玉麟电气有限公司 | Discharge tester for accumulator |
| CN1818706A (en) * | 2005-12-27 | 2006-08-16 | 伊博电源（杭州）有限公司 | Power supply aging system |
| CN101551446A (en) * | 2009-05-11 | 2009-10-07 | 刘晓刚 | Energy feedback power source aging system |
| CN201548670U (en) * | 2009-09-02 | 2010-08-11 | 武汉华工先舰电气股份有限公司 | DC power comprehensive test instrument |
| WO2011153057A1 (en) * | 2010-06-03 | 2011-12-08 | Battelle Energy Alliance, Llc | Systems, methods and computer readable media for modeling cell performance fade of rechargeable electrochemical devices |
| CN102749591A (en) * | 2011-04-22 | 2012-10-24 | 昆山金鑫新能源科技有限公司 | Passive LCD (liquid crystal display) display type constant-current electronic load |
| CN202583431U (en) * | 2012-03-01 | 2012-12-05 | 杭州乐图光电科技有限公司 | Power supply aging rack and power supply aging system thereof |
| CN203191532U (en) * | 2013-03-25 | 2013-09-11 | 天宇通讯科技(昆山)有限公司 | Automatic control type electronic load current aging device |
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2013
- 2013-03-25 CN CN2013100959127A patent/CN103197261A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5543245A (en) * | 1993-03-15 | 1996-08-06 | Alcatel Converters | System and method for monitoring battery aging |
| CN2636253Y (en) * | 2003-07-01 | 2004-08-25 | 烟台东方电子玉麟电气有限公司 | Discharge tester for accumulator |
| CN1818706A (en) * | 2005-12-27 | 2006-08-16 | 伊博电源（杭州）有限公司 | Power supply aging system |
| CN101551446A (en) * | 2009-05-11 | 2009-10-07 | 刘晓刚 | Energy feedback power source aging system |
| CN201548670U (en) * | 2009-09-02 | 2010-08-11 | 武汉华工先舰电气股份有限公司 | DC power comprehensive test instrument |
| WO2011153057A1 (en) * | 2010-06-03 | 2011-12-08 | Battelle Energy Alliance, Llc | Systems, methods and computer readable media for modeling cell performance fade of rechargeable electrochemical devices |
| CN102749591A (en) * | 2011-04-22 | 2012-10-24 | 昆山金鑫新能源科技有限公司 | Passive LCD (liquid crystal display) display type constant-current electronic load |
| CN202583431U (en) * | 2012-03-01 | 2012-12-05 | 杭州乐图光电科技有限公司 | Power supply aging rack and power supply aging system thereof |
| CN203191532U (en) * | 2013-03-25 | 2013-09-11 | 天宇通讯科技(昆山)有限公司 | Automatic control type electronic load current aging device |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103487767A (en) * | 2013-09-11 | 2014-01-01 | 深圳市九洲电器有限公司 | Load driving circuit and electronic load |
| CN103487767B (en) * | 2013-09-11 | 2016-08-17 | 深圳市九洲电器有限公司 | A kind of load driving circuits and electronic load |
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Application publication date: 20130710 |