CN204652035U - A kind of Signal Detecting Circuit for Automatic Transfer Switching Equipment - Google Patents
A kind of Signal Detecting Circuit for Automatic Transfer Switching Equipment Download PDFInfo
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- CN204652035U CN204652035U CN201520231091.XU CN201520231091U CN204652035U CN 204652035 U CN204652035 U CN 204652035U CN 201520231091 U CN201520231091 U CN 201520231091U CN 204652035 U CN204652035 U CN 204652035U
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- 238000012546 transfer Methods 0.000 title claims abstract description 19
- 238000001514 detection method Methods 0.000 claims abstract description 31
- 230000001737 promoting effect Effects 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000002159 abnormal effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
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Abstract
The utility model discloses a kind of Signal Detecting Circuit for Automatic Transfer Switching Equipment, comprise single-chip microcomputer U1, detection module and voice alarm module, single-chip microcomputer U1 is connection detection module, voice alarm module, reseting module, control module and warning lamp module respectively, and detection module comprises voltage detection module and frequency detection module.Voltage signal and frequency signal detect by using single-chip microcomputer U1 by the utility model circuit respectively, only have two-way to detect and all judge to cut throwing, just automatically can cut throwing, False Rate is very low, and circuit structure is simple, and cost is low, stability is very high, is applicable to promoting the use of.
Description
Technical field
The utility model relates to a kind of testing circuit, specifically a kind of Signal Detecting Circuit for Automatic Transfer Switching Equipment.
Background technology
Double power supply automatic transfer switch is mainly used in emergency power supply system, from an automatic changing-over of power supply to the device for switching of another (for subsequent use) power supply by load circuit, double power supply automatic transfer switch is often applied in as hospital, power plant, bank, the important electricity consumption place such as military installations, modern intelligent duplicate power supply double power supply automatic transfer switch has automatically to detect faults itself, automatic measurement, automatic control, the intelligent electric appliance of automatic adjustment and distant place control centre communication function, generally include with lower part: input, signal transacting and control (MCU), feedback detects and output control system, in the control system of double power supply automatic transfer switch, to conventional, the Real-Time Monitoring of stand-by power supply power supply situation and power failure judge all based on signal detection technique, the erroneous judgement rate of output control system can drop to minimum by good signal detection technique, greatly can improve the reliability of system simultaneously, the most circuit structure of existing Signal Detecting Circuit for Automatic Transfer Switching Equipment is complicated, and voltage signal is detected together with frequency signal, False Rate is higher, stability is low.
Utility model content
The purpose of this utility model is to provide a kind of function-stable, circuit structure simple Signal Detecting Circuit for Automatic Transfer Switching Equipment, to solve the problem proposed in above-mentioned background technology.
For achieving the above object, the utility model provides following technical scheme:
A kind of Signal Detecting Circuit for Automatic Transfer Switching Equipment, comprise single-chip microcomputer U1, detection module and voice alarm module, described single-chip microcomputer U1 is connection detection module, voice alarm module, reseting module, control module and warning lamp module respectively, and detection module comprises voltage detection module and frequency detection module.
As further program of the utility model: described voice alarm module adopts chip U2, and the model of chip U2 is ISD2560.
As further program of the utility model: described single-chip microcomputer U1 model is AT89C51.
As further program of the utility model: described voltage detection module adopts the model of amplifier U3, amplifier U3 to be LM324.
As the utility model further scheme: described frequency detection module adopts the model of amplifier U4, amplifier U4 to be LM324.
Compared with prior art, the beneficial effects of the utility model are: voltage signal and frequency signal detect by using single-chip microcomputer U1 by the utility model circuit respectively, only have two-way to detect all to judge to cut throwing, just automatically can cut throwing, False Rate is very low, and circuit structure is simple, and cost is low, stability is very high, is applicable to promoting the use of.
Accompanying drawing explanation
Fig. 1 is the circuit structure block diagram of Signal Detecting Circuit for Automatic Transfer Switching Equipment;
Fig. 2 is the circuit theory diagrams of Signal Detecting Circuit for Automatic Transfer Switching Equipment.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, be clearly and completely described the technical scheme in the utility model embodiment, obviously, described embodiment is only the utility model part embodiment, instead of whole embodiments.Based on the embodiment in the utility model, those of ordinary skill in the art are not making the every other embodiment obtained under creative work prerequisite, all belong to the scope of the utility model protection.
Refer to Fig. 1 ~ 2, in the utility model embodiment, a kind of Signal Detecting Circuit for Automatic Transfer Switching Equipment, comprise single-chip microcomputer U1, detection module and voice alarm module, single-chip microcomputer U1 is connection detection module, voice alarm module, reseting module, control module and warning lamp module respectively, and detection module comprises voltage detection module and frequency detection module.
Voice alarm module adopts chip U2, and the model of chip U2 is ISD2560.
Single-chip microcomputer U1 model is AT89C51.
Voltage detection module adopts the model of amplifier U3, amplifier U3 to be LM324.
Frequency detection module adopts the model of amplifier U4, amplifier U4 to be LM324.
Operation principle of the present utility model is: voltage detection module and frequency detection module respectively data acquisition is carried out to supply line and by obtain signal through amplify, send into single-chip microcomputer U1 and carry out data processing, it is abnormal if find, former supply module voltage, frequency exist, then carry out voice message and warning by voice alarm module and cut throwing stand-by power supply by control module.
Refer to Fig. 1,2, supply line voltage signal Vi and frequency signal fi amplifies in rear transmission single-chip microcomputer U1 by amplifier U3, the U4 of detection module respectively, through single-chip microcomputer U1 computing, failure judgement type, exports all kinds of default audio alert information by voice alarm module, and by control module control relay K conducting, open the normally opened contact that it is arranged in stand-by power supply circuit, cut throwing stand-by power supply, meanwhile, the flicker of warning lamp module is warned.
Claims (5)
1. a Signal Detecting Circuit for Automatic Transfer Switching Equipment, comprise single-chip microcomputer U1, detection module and voice alarm module, it is characterized in that, described single-chip microcomputer U1 is connection detection module, voice alarm module, reseting module, control module and warning lamp module respectively, and detection module comprises voltage detection module and frequency detection module.
2. Signal Detecting Circuit for Automatic Transfer Switching Equipment according to claim 1, is characterized in that, described voice alarm module adopts chip U2, and the model of chip U2 is ISD2560.
3. Signal Detecting Circuit for Automatic Transfer Switching Equipment according to claim 1, is characterized in that, described single-chip microcomputer U1 model is AT89C51.
4. Signal Detecting Circuit for Automatic Transfer Switching Equipment according to claim 1, is characterized in that, described voltage detection module adopts the model of amplifier U3, amplifier U3 to be LM324.
5. Signal Detecting Circuit for Automatic Transfer Switching Equipment according to claim 1, is characterized in that, described frequency detection module adopts the model of amplifier U4, amplifier U4 to be LM324.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520231091.XU CN204652035U (en) | 2015-04-15 | 2015-04-15 | A kind of Signal Detecting Circuit for Automatic Transfer Switching Equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520231091.XU CN204652035U (en) | 2015-04-15 | 2015-04-15 | A kind of Signal Detecting Circuit for Automatic Transfer Switching Equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204652035U true CN204652035U (en) | 2015-09-16 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520231091.XU Expired - Fee Related CN204652035U (en) | 2015-04-15 | 2015-04-15 | A kind of Signal Detecting Circuit for Automatic Transfer Switching Equipment |
Country Status (1)
| Country | Link |
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| CN (1) | CN204652035U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108964251A (en) * | 2018-04-17 | 2018-12-07 | 黑龙江博瑞特高新技术开发有限公司 | The test method of twin-power switch monitoring based on mems technology |
| CN112653351A (en) * | 2021-01-08 | 2021-04-13 | 深圳市金三科电子有限公司 | Photovoltaic off-grid inverter with high conversion efficiency and control method thereof |
-
2015
- 2015-04-15 CN CN201520231091.XU patent/CN204652035U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108964251A (en) * | 2018-04-17 | 2018-12-07 | 黑龙江博瑞特高新技术开发有限公司 | The test method of twin-power switch monitoring based on mems technology |
| CN112653351A (en) * | 2021-01-08 | 2021-04-13 | 深圳市金三科电子有限公司 | Photovoltaic off-grid inverter with high conversion efficiency and control method thereof |
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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: 20150916 Termination date: 20160415 |
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| CF01 | Termination of patent right due to non-payment of annual fee |