CN204809853U - Switching power supply system - Google Patents
Switching power supply system Download PDFInfo
- Publication number
- CN204809853U CN204809853U CN201520414912.3U CN201520414912U CN204809853U CN 204809853 U CN204809853 U CN 204809853U CN 201520414912 U CN201520414912 U CN 201520414912U CN 204809853 U CN204809853 U CN 204809853U
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- Prior art keywords
- circuit
- voltage
- power supply
- input
- relay unit
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Abstract
The utility model belongs to the technical field of power technology and specifically relates to a switching power supply system, including input circuit, relay unit, input detection circuitry, power conversion circuit, rectification filter circuit, output detection circuitry, feedback circuit, AD converter and singlechip, through setting up input detection circuitry and relay unit, the effectual solution because switching power supply relay unit 0's difference often can appear opening circuit or because relay unit 1's influence causes switching power supply's harm, relay unit 3 relay unit 4's problem.
Description
Technical field
The utility model relates to power technique fields, especially a kind of switch power supply system.
Background technology
Switching Power Supply product is widely used in industrial automatic control, military industry equipment, research equipment, LED illumination, industrial control equipment, communication apparatus, power equipment, instrument and meter, Medical Devices, semiconductor refrigerating heat, air purifier, electronic refrigerator, liquid crystal display, LED lamp, communication apparatus, audio-visual products, safety monitoring, LED bag, computer housing, the field such as digital product and instrument class.
But in actual use; the environment that Switching Power Supply uses is different; some places condition very severe; because Switching Power Supply is in order to dispel the heat; its closure is not fine, so often there will be open circuit or cause the infringement of Switching Power Supply due to the impact of extraneous factor, causes cannot carrying out of production; have a strong impact on production efficiency, considerably increase maintenance cost.
Utility model content
The technical problems to be solved in the utility model is: in order to solve the difference due to Switching Power Supply installation environment; often there will be open circuit or cause the infringement of Switching Power Supply due to the impact of extraneous factor; considerably increase the problem of maintenance cost; the utility model provides a kind of switch power supply system; by arranging input detecting circuit and relay unit; effectively solve the difference due to Switching Power Supply installation environment; often there will be open circuit or cause the infringement of Switching Power Supply due to the impact of extraneous factor, considerably increase the problem of maintenance cost.
The utility model solves the technical scheme that its technical problem adopts: provide a kind of switch power supply system, comprise input circuit, relay unit, input detecting circuit, circuit for power conversion, current rectifying and wave filtering circuit, output detection circuit, feedback circuit, A/D converter and single-chip microcomputer, wherein
Input circuit, for being converted to comparatively smooth high frequency voltage by interchange input ac voltage rectifying and wave-filtering;
Relay unit, receives the command signal that single-chip microcomputer sends, for connecting or disconnecting input circuit;
Input detecting circuit, for the voltage and current in testing circuit, and is connected with circuit for power conversion;
Circuit for power conversion, for comparatively smooth high frequency voltage is converted to high-frequency pulse voltage, and compares the voltage of the feedback of feedback circuit and high-frequency pulse voltage;
Current rectifying and wave filtering circuit, for the further rectifying and wave-filtering of high-frequency pulse voltage, the direct voltage of stable output;
Output detection circuit, for measuring the voltage of output circuit;
Feedback circuit, for the Voltage Feedback measured by output detection circuit to circuit for power conversion, ensures the stable of output voltage;
A/D converter, converts the analog signal that input detecting circuit detects to digital signal;
Single-chip microcomputer, carries out Treatment Analysis by the digital signal that A/D converter is changed, and sends low and high level to relay unit, and relay unit is switched on or switched off.
Further, also comprise alarm, described single-chip microcomputer is connected with prompting alarm signal, when there is overvoltage or overcurrent, reminds staff to note in time.
Preferably, described single-chip microcomputer is 51 series monolithics.
Preferably, also comprise battery unit, described battery unit input is electrically connected with current rectifying and wave filtering circuit, described battery unit output is electrically connected with output detection circuit, when disconnecting because outside environmental elements causes relay unit to jump electricity, battery unit can maintain load a period of time, prevents sudden power failure from causing the infringement and in the controls of load, control assembly cannot operate, and causes new loss.
The beneficial effects of the utility model are: the utility model provides a kind of switch power supply system, by arranging input detecting circuit and relay unit, can fast reaction cut-off switch power supply when power supply overcurrent or overvoltage, prevent the infringement of Switching Power Supply, thus add maintenance cost and waste the repair time, battery unit is set, when disconnecting because outside environmental elements causes relay unit to jump electricity, battery unit can maintain load a period of time, prevent sudden power failure from causing the infringement and in the controls of load, control assembly cannot operate, cause new loss.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the utility model is further illustrated.
Fig. 1 is the structural representation of a kind of switch power supply system of the utility model;
Fig. 2 is the structural representation of the embodiment of a kind of switch power supply system of the utility model.
Embodiment
By reference to the accompanying drawings the utility model is described in further detail now.These accompanying drawings are the schematic diagram of simplification, only basic structure of the present utility model are described in a schematic way, and therefore it only shows the formation relevant with the utility model.
Embodiment
As depicted in figs. 1 and 2, a kind of switch power supply system, comprise input circuit, relay unit, input detecting circuit, circuit for power conversion, current rectifying and wave filtering circuit, output detection circuit, feedback circuit, A/D converter, 51 series monolithics, alarm and battery unit, wherein
Input circuit, for being converted to comparatively smooth high frequency voltage by interchange input ac voltage rectifying and wave-filtering;
Relay unit, receives the command signal that single-chip microcomputer sends, for connecting or disconnecting input circuit;
Input detecting circuit, for the voltage and current in testing circuit, and is connected with circuit for power conversion;
Circuit for power conversion, for comparatively smooth high frequency voltage is converted to high-frequency pulse voltage, and compares the voltage of the feedback of feedback circuit and high-frequency pulse voltage;
Current rectifying and wave filtering circuit, for the further rectifying and wave-filtering of high-frequency pulse voltage, the direct voltage of stable output;
Output detection circuit, for measuring the voltage of output circuit;
Feedback circuit, for the Voltage Feedback measured by output detection circuit to circuit for power conversion, ensures the stable of output voltage;
A/D converter, converts the analog signal that input detecting circuit detects to digital signal;
Single-chip microcomputer, carries out Treatment Analysis by the digital signal that A/D converter is changed, and sends low and high level to relay unit, and relay unit is switched on or switched off.
Alarm, described single-chip microcomputer is connected with prompting alarm signal.
Battery unit, described battery unit input is electrically connected with current rectifying and wave filtering circuit, and described battery unit output is electrically connected with output detection circuit.
During use, input circuit access AC220V power supply, input detecting circuit is when the too high or overtension of the electric current of circuit be detected, single-chip microcomputer sends control command makes relay unit jump electricity, prevent Switching Power Supply from burning out, feedback circuit is set, by relatively compensating of input voltage and output voltage, ensures the reliable and stable of output voltage.
With above-mentioned according to desirable embodiment of the present utility model for enlightenment, by above-mentioned description, relevant staff in the scope not departing from this utility model technological thought, can carry out various change and amendment completely.The technical scope of this utility model is not limited to the content on specification, must determine its technical scope according to right.
Claims (4)
1. a switch power supply system, is characterized in that: comprise input circuit, relay unit, input detecting circuit, circuit for power conversion, current rectifying and wave filtering circuit, output detection circuit, feedback circuit, A/D converter and single-chip microcomputer, wherein,
Input circuit, for being converted to comparatively smooth high frequency voltage by interchange input ac voltage rectifying and wave-filtering;
Relay unit, receives the command signal that single-chip microcomputer sends, for connecting or disconnecting input circuit;
Input detecting circuit, for the voltage and current in testing circuit, and is connected with circuit for power conversion;
Circuit for power conversion, for comparatively smooth high frequency voltage is converted to high-frequency pulse voltage, and compares the voltage of the feedback of feedback circuit and high-frequency pulse voltage;
Current rectifying and wave filtering circuit, for the further rectifying and wave-filtering of high-frequency pulse voltage, the direct voltage of stable output;
Output detection circuit, for measuring the voltage of output circuit;
Feedback circuit, for the Voltage Feedback measured by output detection circuit to circuit for power conversion, ensures the stable of output voltage;
A/D converter, converts the analog signal that input detecting circuit detects to digital signal;
Single-chip microcomputer, carries out Treatment Analysis by the digital signal that A/D converter is changed, and sends low and high level to relay unit, and relay unit is switched on or switched off.
2. a kind of switch power supply system as claimed in claim 1, is characterized in that: also comprise alarm, and described single-chip microcomputer is connected with prompting alarm signal.
3. a kind of switch power supply system as claimed in claim 1 or 2, is characterized in that: described single-chip microcomputer is 51 series monolithics.
4. a kind of switch power supply system as claimed in claim 1 or 2, is characterized in that: also comprise battery unit, and described battery unit input is electrically connected with current rectifying and wave filtering circuit, and described battery unit output is electrically connected with output detection circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520414912.3U CN204809853U (en) | 2015-06-11 | 2015-06-11 | Switching power supply system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520414912.3U CN204809853U (en) | 2015-06-11 | 2015-06-11 | Switching power supply system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204809853U true CN204809853U (en) | 2015-11-25 |
Family
ID=54594617
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520414912.3U Expired - Fee Related CN204809853U (en) | 2015-06-11 | 2015-06-11 | Switching power supply system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204809853U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116111729A (en) * | 2023-04-13 | 2023-05-12 | 中建三局集团华南有限公司 | High-frequency switching power supply circuit system for machine room equipment |
-
2015
- 2015-06-11 CN CN201520414912.3U patent/CN204809853U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116111729A (en) * | 2023-04-13 | 2023-05-12 | 中建三局集团华南有限公司 | High-frequency switching power supply circuit system for machine room equipment |
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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: 20151125 Termination date: 20180611 |