CN103414148A - Three-phase power supply protection recorder with fault recording function - Google Patents
Three-phase power supply protection recorder with fault recording function Download PDFInfo
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- CN103414148A CN103414148A CN2013102483967A CN201310248396A CN103414148A CN 103414148 A CN103414148 A CN 103414148A CN 2013102483967 A CN2013102483967 A CN 2013102483967A CN 201310248396 A CN201310248396 A CN 201310248396A CN 103414148 A CN103414148 A CN 103414148A
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Abstract
The invention relates to a three-phase power supply protection recorder with a fault recording function. The three-phase power supply protection recorder comprises a single chip microcomputer, a voltages sampling module, an input module, an output control module, a clock module and a power supply conversion module, wherein the voltages sampling module converts a three-phase power supply into a low-voltage signal within a sampling range of the single chip microcomputer and transmits the low-voltage signal to a sampling port of the single chip microcomputer; the input module is electrically connected with an input end of the single chip microcomputer, and is used for inputting over/under-voltage standard parameters to the single chip microcomputer; the output control module is electrically connected with an output end of the single chip microcomputer, and cuts of the power supply for electricity-utilization equipment when the three-phase power supply fails; the clock module is electrically connected with the input end of the single chip microcomputer, and is used for providing time data to the single chip microcomputer; and the power conversion module converts the three-phase power supply into a low-voltage power supply and supplies power for the other modules. The invention aims to provide the three-phase power supply protection recorder with the fault recording function, and the three-phase power supply protection recorder can record time points when all previous faults of the three-phase power supply occur.
Description
Technical field
The present invention relates to a kind of three phase mains protection recorder, especially a kind of three phase mains protection recorder with fault logging function.
Background technology
Three phase mains protection recorder is monitoring and the protection instrument of a kind of multifunctional three phase power source system or three phase electric equipment.Integrate three-phase voltage demonstration, overvoltage protection, under voltage protection, open-phase protection (open phase protection), Voltage unbalance protection, phase sequence (fault-phase protection); adopt powerful singlechip technology; have multiple functional, stable performance, intuitive display, characteristics easy and simple to handle.Existing three phase mains protection recorder only rests on real-time protection aspect, the time point information that can not provide all previous fault to occur.And because the generation of a lot of three phase mains faults is all that certain regularity and timeliness are arranged, the time point information that all previous fault occurs can provide important reference data for the maintenance personal, improve the efficiency that the maintenance personal investigates the three phase mains fault.
Summary of the invention
For the problems referred to above, the purpose of this invention is to provide a kind of three phase mains protection recorder with fault logging function, it can record the time point that all previous three phase mains fault occurs.
For solving the problems of the technologies described above, the technical solution used in the present invention is:
A kind of three phase mains protection recorder with fault logging function, it comprises:
Single-chip microcomputer;
The voltage sample module, be converted into the low voltage signal in described single-chip microcomputer sample range by three-phase alternating-current supply and low voltage signal be delivered to the sample port of described single-chip microcomputer;
Input module, its input with single-chip microcomputer is electrically connected mutually, for to described single-chip microcomputer, inputting the overvoltage/undervoltage canonical parameter;
Output control module, its output with single-chip microcomputer is electrically connected mutually, when three-phase alternating-current supply breaks down, cuts off the power supply of power consumption equipment;
Clock module, its input with single-chip microcomputer is electrically connected mutually, for to single-chip microcomputer, providing time data;
Power transfer module, it is converted to LVPS by three-phase alternating-current supply and is above-mentioned each module for power supply;
Described single-chip microcomputer is compared with the overvoltage/undervoltage canonical parameter from described input module input after the low voltage signal of described voltage sample module input is transformed, judge whether to exist power failure, when result is true time, cut off the power supply of power consumption equipment, and the time point record trouble type and the number of stoppages that occur according to the time data record trouble of clock module input.
Preferably, it also comprises an alarm module be connected with described single-chip microcomputer, when three-phase alternating-current supply breaks down, sends sound or visual alarm.
Preferably, it also comprises a display module be connected with described single-chip microcomputer, be used to showing user's desired display information.
More preferably, it also comprises a signaling module be connected with the input of described single-chip microcomputer, described signaling module is to the control signal of described single-chip microcomputer input desired display information, and described single-chip microcomputer drives described display module according to control signal and shows corresponding desired display information.
Further, described desired display information comprises three-phase voltage value, power consumption equipment accumulative total operating time, power consumption equipment work times, power failure type, fault time point, accumulative total power failure time, the number of stoppages of three-phase alternating-current supply.
Preferably, described input equipment comprises keyboard, and the user inputs the overvoltage/undervoltage canonical parameter by keyboard to described single-chip microcomputer.
Preferably, the voltage of described three-phase alternating-current supply is 380V.
The present invention adopts above structure; has following advantage: be connected with clock module by the input at single-chip microcomputer; for single-chip microcomputer provides the correct time data; increased the writing function of some fault time; because the generation of a lot of power failures is all that certain regularity, timeliness are arranged; so just make the present invention not only possess defencive function, can also for the maintenance personal, provide the relevant reference data of time point of all previous fault generation, can greatly improve the efficiency that the maintenance personal investigates the three phase mains fault.
The accompanying drawing explanation
Fig. 1 is the structural representation of three phase mains protection recorder of the present invention.
In figure: 1, voltage sample module; 2, input module; 3, single-chip microcomputer; 4, clock module; 5, output control module; 6, alarm module; 7, display module; 8, power transfer module; 9, signaling module.
Embodiment
Below in conjunction with accompanying drawing, preferred embodiment of the present invention is described in detail, thereby so that advantages and features of the invention can be easier to be those skilled in the art will recognize that, protection scope of the present invention is made to more explicit defining.
Embodiment
Shown in accompanying drawing 1, a kind of three phase mains protection recorder with fault logging function, it comprises:
Single-chip microcomputer 3;
Voltage sample module 1, be converted into the low voltage signal in described single-chip microcomputer 3 sample range by three-phase alternating-current supply and low voltage signal be delivered to the sample port of described single-chip microcomputer 3;
Input module 2, its input with single-chip microcomputer 3 is electrically connected mutually, and for to described single-chip microcomputer 3, inputting the overvoltage/undervoltage canonical parameters, the three-phase voltage value of switching display module 7 shows, fault type shows and some demonstration fault time;
Described single-chip microcomputer 3 is compared with the overvoltage/undervoltage canonical parameter from described input module 2 inputs after the low voltage signal of described voltage sample module 1 input is transformed, judge whether to exist power failure, when result is true time, cut off the power supply of power consumption equipment, and the time point record trouble type and the number of stoppages that occur according to the time data record trouble of clock module 4 inputs.
It also comprises an alarm module 6 be connected with described single-chip microcomputer 3, when three-phase alternating-current supply breaks down, sends sound or visual alarm.
It also comprises a display module 7 be connected with described single-chip microcomputer 3, be used to showing user's desired display information.It also comprises a signaling module 9 be connected with the input of described single-chip microcomputer 3, described signaling module 9 is to the control signal of described single-chip microcomputer 3 input desired display information, and described single-chip microcomputer 3 drives described display module 7 according to control signal and shows corresponding desired display information.Described desired display information comprises three-phase voltage value, power consumption equipment accumulative total operating time, power consumption equipment work times, power failure type, fault time point, accumulative total power failure time, the number of stoppages of three-phase alternating-current supply.
Described input equipment comprises keyboard, and the user inputs the overvoltage/undervoltage canonical parameters by keyboard to described single-chip microcomputer 3.
The voltage of described three-phase alternating-current supply is 380V.
The present invention adopts above structure; has following advantage: be connected with clock module 4 by the input at single-chip microcomputer 3; for single-chip microcomputer 3 provides the correct time data; increased the writing function of some fault time; because the generation of a lot of power failures is all that certain regularity, timeliness are arranged; so just make the present invention not only possess defencive function; can also for the maintenance personal, provide the relevant reference data of time point of all previous fault generation, can greatly improve the efficiency that the maintenance personal investigates the three phase mains fault.
Above-described embodiment, for explanation technical conceive of the present invention and characteristics, is only a kind of preferred embodiment, and its purpose is to allow the person skilled in the art can understand content of the present invention and implement according to this, can not limit the scope of the invention with this.The equivalence that all Spirit Essences according to the present invention are done changes or modifies, within all should being encompassed in protection scope of the present invention.
Claims (7)
1. the three phase mains protection recorder with fault logging function, is characterized in that, it comprises:
Single-chip microcomputer;
The voltage sample module, be converted into the low voltage signal in described single-chip microcomputer sample range by three-phase alternating-current supply and low voltage signal be delivered to the sample port of described single-chip microcomputer;
Input module, its input with single-chip microcomputer is electrically connected mutually, for to described single-chip microcomputer, inputting the overvoltage/undervoltage canonical parameter;
Output control module, its output with single-chip microcomputer is electrically connected mutually, when three-phase alternating-current supply breaks down, cuts off the power supply of power consumption equipment;
Clock module, its input with single-chip microcomputer is electrically connected mutually, for to single-chip microcomputer, providing time data;
Power transfer module, it is converted to LVPS by three-phase alternating-current supply and is above-mentioned each module for power supply;
Described single-chip microcomputer is compared with the overvoltage/undervoltage canonical parameter from described input module input after the low voltage signal of described voltage sample module input is transformed, judge whether to exist power failure, when result is true time, cut off the power supply of power consumption equipment, and the time point record trouble type and the number of stoppages that occur according to the time data record trouble of clock module input.
2. the three phase mains with fault logging function according to claim 1 is protected recorder, and it is characterized in that: it also comprises an alarm module be connected with described single-chip microcomputer, when three-phase alternating-current supply breaks down, sends sound or visual alarm.
3. the three phase mains with fault logging function according to claim 1 is protected recorder, and it is characterized in that: it also comprises a display module be connected with the output of described single-chip microcomputer, be used to showing user's desired display information.
4. the three phase mains with fault logging function according to claim 3 is protected recorder; it is characterized in that: it also comprises a signaling module be connected with the input of described single-chip microcomputer; described signaling module is to the control signal of described single-chip microcomputer input desired display information, and described single-chip microcomputer drives described display module according to control signal and shows corresponding desired display information.
5. the three phase mains protection recorder with fault logging function according to claim 4 is characterized in that: described desired display information comprises three-phase voltage value, power consumption equipment accumulative total operating time, power consumption equipment work times, power failure type, fault time point, accumulative total power failure time, the number of stoppages of three-phase alternating-current supply.
6. the three phase mains with fault logging function according to claim 1 is protected recorder, and it is characterized in that: described input equipment comprises keyboard, and the user inputs the overvoltage/undervoltage canonical parameter by keyboard to described single-chip microcomputer.
7. according to the described three phase mains protection recorder with fault logging function of one of claim 1-6, it is characterized in that: the voltage of described three-phase alternating-current supply is 380V.
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| Application Number | Priority Date | Filing Date | Title |
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| CN2013102483967A CN103414148A (en) | 2013-06-21 | 2013-06-21 | Three-phase power supply protection recorder with fault recording function |
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| Application Number | Priority Date | Filing Date | Title |
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| CN2013102483967A CN103414148A (en) | 2013-06-21 | 2013-06-21 | Three-phase power supply protection recorder with fault recording function |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105137365A (en) * | 2015-08-31 | 2015-12-09 | 湖南省普安建设工程有限公司 | Three-phase power monitoring system and method |
| CN109471046A (en) * | 2018-11-21 | 2019-03-15 | 珠海伊能电子科技有限公司 | Power supply monitoring warning device and system |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0819169A (en) * | 1994-07-01 | 1996-01-19 | Tokyo Electric Power Co Inc:The | Protective relaying system |
| CN101420113A (en) * | 2008-11-26 | 2009-04-29 | 朱鸽 | Three phase electric power protector having counting and timing function |
| CN202033814U (en) * | 2011-03-30 | 2011-11-09 | 苏州工业园区非而智能电器有限公司 | Frame controller of 16 times of failure records |
| CN203367961U (en) * | 2013-06-21 | 2013-12-25 | 苏州圣元电器有限公司 | Three-phase power supply protection recorder with fault recording function |
-
2013
- 2013-06-21 CN CN2013102483967A patent/CN103414148A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0819169A (en) * | 1994-07-01 | 1996-01-19 | Tokyo Electric Power Co Inc:The | Protective relaying system |
| CN101420113A (en) * | 2008-11-26 | 2009-04-29 | 朱鸽 | Three phase electric power protector having counting and timing function |
| CN202033814U (en) * | 2011-03-30 | 2011-11-09 | 苏州工业园区非而智能电器有限公司 | Frame controller of 16 times of failure records |
| CN203367961U (en) * | 2013-06-21 | 2013-12-25 | 苏州圣元电器有限公司 | Three-phase power supply protection recorder with fault recording function |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105137365A (en) * | 2015-08-31 | 2015-12-09 | 湖南省普安建设工程有限公司 | Three-phase power monitoring system and method |
| CN109471046A (en) * | 2018-11-21 | 2019-03-15 | 珠海伊能电子科技有限公司 | Power supply monitoring warning device and system |
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Application publication date: 20131127 |