CN203191532U - Automatic control type electronic load current aging device - Google Patents
Automatic control type electronic load current aging device Download PDFInfo
- Publication number
- CN203191532U CN203191532U CN 201320136325 CN201320136325U CN203191532U CN 203191532 U CN203191532 U CN 203191532U CN 201320136325 CN201320136325 CN 201320136325 CN 201320136325 U CN201320136325 U CN 201320136325U CN 203191532 U CN203191532 U CN 203191532U
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- control circuit
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Abstract
The utility model discloses an automatic control type electronic load current aging device comprising a PC, an LCD, an LCD drive control circuit, an MCU control circuit, a voltage and current detection circuit, a CC discharge control circuit, and a plurality of loadable power supplies connected in parallel. The LCD drive control circuit controls the LED to work; the PC is connected with the MCU control circuit; the CC discharge control circuit respectively carries out constant-current discharge on a plurality of the loadable power supplies connected in parallel; the voltage and current detection circuit detects current and voltage values in the CC discharge control circuit, converts the current and voltage values into digital signals and transmits the digital signals to the MCU control circuit; and the MCU control circuit converts the received digital signals, transmits the converted digital signals to the LCD drive control circuit and displays the converted digital signals on the LCD. The automatic control type electronic load current aging device can be combined with the PC to observe changes of a plurality of sets of real-time data and is convenient for a user to operation, safe and stable, and the PC end can individually control the test time of each parallel channel.
Description
Technical field
The utility model 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 utility model provides a kind of automatic monitoring type electronic load electric current aging equipment, changes by observing many group real time datas simultaneously with PC combination, and is user-friendly, safety, stable.
The utility model 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 further improvement of the utility model, described PC is connected on the described MCU control circuit by the RS232 transmission circuit.
As further improvement of the utility model, 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 further improvement of the utility model, 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 beneficial effects of the utility model are: 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 the utility model modular structure synoptic diagram.
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 utility model is elaborated; but protection domain of the present utility model is not limited to following embodiment, and namely the simple equivalent of being done with the utility model claim and description in every case changes and modifies, and all still belongs within the utility model patent covering scope.
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 |
|---|---|---|---|
| CN 201320136325 CN203191532U (en) | 2013-03-25 | 2013-03-25 | Automatic control type electronic load current aging device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320136325 CN203191532U (en) | 2013-03-25 | 2013-03-25 | Automatic control type electronic load current aging device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203191532U true CN203191532U (en) | 2013-09-11 |
Family
ID=49108383
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320136325 Expired - Fee Related CN203191532U (en) | 2013-03-25 | 2013-03-25 | Automatic control type electronic load current aging device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203191532U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103197261A (en) * | 2013-03-25 | 2013-07-10 | 天宇通讯科技(昆山)有限公司 | Automatic monitoring type electronic load current aging device |
-
2013
- 2013-03-25 CN CN 201320136325 patent/CN203191532U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103197261A (en) * | 2013-03-25 | 2013-07-10 | 天宇通讯科技(昆山)有限公司 | Automatic monitoring type electronic load current aging device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130911 Termination date: 20180325 |