CN203337760U - Novel intelligent electronic load system - Google Patents
Novel intelligent electronic load system Download PDFInfo
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- CN203337760U CN203337760U CN2013204849598U CN201320484959U CN203337760U CN 203337760 U CN203337760 U CN 203337760U CN 2013204849598 U CN2013204849598 U CN 2013204849598U CN 201320484959 U CN201320484959 U CN 201320484959U CN 203337760 U CN203337760 U CN 203337760U
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- power supply
- chip microcomputer
- power
- intelligent electronic
- load system
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- 230000001105 regulatory effect Effects 0.000 abstract description 7
- 238000012360 testing method Methods 0.000 abstract description 7
- 239000004973 liquid crystal related substance Substances 0.000 abstract description 5
- 238000001514 detection method Methods 0.000 abstract description 3
- 230000001681 protective effect Effects 0.000 abstract 2
- 238000005259 measurement Methods 0.000 abstract 1
- 238000006243 chemical reaction Methods 0.000 description 8
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000032683 aging Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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Abstract
The utility model discloses a novel intelligent electronic load system including a power supply, a button switch, and a single-chip microcomputer. The output end of the single-chip microcomputer is connected with a digital analog converter a and a liquid crystal display, the digital analog converter a is successively connected with a constant current control circuit and a power load device, the constant current control circuit and the power load device are mutually connected, the power load device is respectively connected with a power supply to be detected and a voltage and current detector, the output end of the power supply to be detected is connected with an overvoltage protective circuit, and the overvoltage protective circuit is connected with the power load device to form a loop. The load system provided takes the single-chip microcomputer as a master control chip and includes constant current control, voltage and current detection, overvoltage protection, and power supply circuits to realize the functions of the automatic testing of the load adjusting rate and the overvoltage protection of a constant current and direct current regulated power supply, thereby realizing the real-time measurement of the output voltage and current of the direct current regulated power supply and effectively testing the load adjusting rate.
Description
Technical field
The utility model relates to a kind of novel intelligent electronic load system.
Background technology
It is little that electronic load has a volume, easy to adjust, flexible working mode, stable performance, the precision advantages of higher, be widely used in experiment, test, calibrating and the ageing link of power source products and all kinds of electronic devices and components. and this scheme, based on 51 single-chip microcomputers, has designed a kind of Intelligent Electronic Load, design similar with other compared, and has D.C. regulated power supply load regulation autorun.
Summary of the invention
The technical problems to be solved in the utility model is to provide a kind of easy to maintenance, real-time and precision is high, cost is low novel intelligent electronic load system.
For addressing the above problem, the utility model adopts following technical scheme:
A kind of novel intelligent electronic load system; comprise power supply, keyswitch and single-chip microcomputer; described single-chip microcomputer output terminal is connected with digital-to-analog conversion a and liquid crystal display; described digital-to-analog conversion a is connected with constant-current control circuit and power termination device in turn; described constant-current control circuit and power termination device are interconnected; described power termination device is connected with respectively tested power supply and electric current and voltage detects; described tested power output end is connected with overvoltage crowbar, and described overvoltage crowbar and power termination device are connected to form loop.
As preferred technical scheme, described electric current and voltage detects and is connected with digital-to-analog conversion b, and described digital-to-analog conversion b is connected with liquid crystal display with single-chip microcomputer successively.
The beneficial effects of the utility model are: by take single-chip microcomputer as main control chip; comprise the circuit such as constant current control, electric current and voltage detection, overvoltage protection, power supply; electric current, D.C. regulated power supply load regulation test and over-voltage protecting function have automatically been realized determining; can measure in real time output voltage and the electric current of D.C. regulated power supply, can go out load regulation by Validity Test.
The accompanying drawing explanation
In order to be illustrated more clearly in the utility model embodiment or technical scheme of the prior art, below will the accompanying drawing of required use in embodiment or description of the Prior Art be briefly described, apparently, accompanying drawing in the following describes is only embodiment more of the present utility model, for those of ordinary skills, under the prerequisite of not paying creative work, can also obtain according to these accompanying drawings other accompanying drawing.
The structural representation that Fig. 1 is a kind of novel intelligent electronic load system of the utility model.
Embodiment
Below in conjunction with accompanying drawing, preferred embodiment of the present utility model is described in detail, thereby so that advantage of the present utility model and feature can be easier to be it will be appreciated by those skilled in the art that, protection domain of the present utility model is made to more explicit defining.
Consult a kind of novel intelligent electronic load system shown in Fig. 1; comprise power supply, keyswitch and single-chip microcomputer; described single-chip microcomputer output terminal is connected with digital-to-analog conversion a and liquid crystal display; described digital-to-analog conversion a is connected with constant-current control circuit and power termination device in turn; described constant-current control circuit and power termination device are interconnected; described power termination device is connected with respectively tested power supply and electric current and voltage detects; described tested power output end is connected with overvoltage crowbar, and described overvoltage crowbar and power termination device are connected to form loop.
Wherein, described electric current and voltage detects and is connected with digital-to-analog conversion b, and described digital-to-analog conversion b is connected with liquid crystal display with single-chip microcomputer successively.
The beneficial effects of the utility model are: by take single-chip microcomputer as main control chip; comprise the circuit such as constant current control, electric current and voltage detection, overvoltage protection, power supply; electric current, D.C. regulated power supply load regulation test and over-voltage protecting function have automatically been realized determining; can measure in real time output voltage and the electric current of D.C. regulated power supply, can go out load regulation by Validity Test.
Above demonstration and described ultimate principle of the present utility model, principal character and advantage of the present utility model.The technician of the industry should understand; the utility model is not restricted to the described embodiments; that in above-described embodiment and instructions, describes just illustrates principle of the present utility model; under the prerequisite that does not break away from the utility model spirit and scope, the utility model also has various changes and modifications, and these changes and improvements all fall in claimed the utility model scope.The claimed scope of the utility model is defined by appending claims and equivalent thereof.
Claims (2)
1. a novel intelligent electronic load system; it is characterized in that: comprise power supply, keyswitch and single-chip microcomputer; described single-chip microcomputer output terminal is connected with digital-to-analog conversion a and liquid crystal display; described digital-to-analog conversion a is connected with constant-current control circuit and power termination device in turn; described constant-current control circuit and power termination device are interconnected; described power termination device is connected with respectively tested power supply and electric current and voltage detects; described tested power output end is connected with overvoltage crowbar, and described overvoltage crowbar and power termination device are connected to form loop.
2. novel intelligent electronic load system according to claim 1, it is characterized in that: described electric current and voltage detects and is connected with digital-to-analog conversion b, and described digital-to-analog conversion b is connected with liquid crystal display with single-chip microcomputer successively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013204849598U CN203337760U (en) | 2013-08-09 | 2013-08-09 | Novel intelligent electronic load system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013204849598U CN203337760U (en) | 2013-08-09 | 2013-08-09 | Novel intelligent electronic load system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203337760U true CN203337760U (en) | 2013-12-11 |
Family
ID=49706427
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2013204849598U Expired - Fee Related CN203337760U (en) | 2013-08-09 | 2013-08-09 | Novel intelligent electronic load system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203337760U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107528298A (en) * | 2017-09-11 | 2017-12-29 | 深圳传音制造有限公司 | The protection circuit and electronic load of electronic load |
-
2013
- 2013-08-09 CN CN2013204849598U patent/CN203337760U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107528298A (en) * | 2017-09-11 | 2017-12-29 | 深圳传音制造有限公司 | The protection circuit and electronic load of electronic load |
| CN107528298B (en) * | 2017-09-11 | 2020-08-14 | 深圳传音制造有限公司 | Protection circuit of electronic load and electronic load |
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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 |
Granted publication date: 20131211 Termination date: 20140809 |
|
| EXPY | Termination of patent right or utility model |