CN106054096A - Secondary equipment for monitoring partial discharging and temperature monitoring device - Google Patents
Secondary equipment for monitoring partial discharging and temperature monitoring device Download PDFInfo
- Publication number
- CN106054096A CN106054096A CN201610510802.6A CN201610510802A CN106054096A CN 106054096 A CN106054096 A CN 106054096A CN 201610510802 A CN201610510802 A CN 201610510802A CN 106054096 A CN106054096 A CN 106054096A
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- resistance
- circuit
- control module
- electric energy
- module
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R35/00—Testing or calibrating of apparatus covered by the other groups of this subclass
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Emergency Protection Circuit Devices (AREA)
Abstract
The invention discloses secondary equipment for monitoring a partial discharging and temperature monitoring device. The secondary equipment comprises an electric energy sampling module, a control module and a storage module. The electric energy sampling module is connected with the control module; and the storage module is connected with the control module. The electric energy sampling module consists of a current sampling circuit, a filter circuit, and a switching circuit; the current sampling circuit includes a closed-loop current sensor connected to the filter circuit; and the filter circuit is connected with the switching circuit. According to the secondary equipment, the electric energy situation of the partial discharging and temperature monitoring device can be monitored in real time; whether an electrical energy problem occurs can be found timely; a partial discharging and temperature monitoring device having any electrical energy problem can be repaired and replaced timely; and thus power system fault occurrence caused by a fault occurring at the partial discharging and temperature monitoring device can be avoided.
Description
Technical field
The present invention relates to the secondary monitoring device of electric power system monitoring device, particularly to one to shelf depreciation and temperature
The secondary device of monitoring device monitoring.
Background technology
In power system, power system can be caused bigger injury by shelf depreciation and temperature.Prior art occurs in that
Power system carries out the monitoring device of temperature monitoring and shelf depreciation, and the safety of power system is played preferably by this equipment
Protective effect, decreases the infringement that the insulating part shelf depreciation in power system is brought to power equipment, but sets for this monitoring
The standby quality of power supply providing energy goes wrong and will cause this monitoring device cisco unity malfunction so that it is can not reach monitoring electricity
The purpose of Force system, so the secondary that this monitoring device quality of power supply is monitored in research and development is necessary.
Summary of the invention
The technical problem to be solved in the present invention is to provide one can monitor shelf depreciation and device for detecting temperature electric energy matter
The secondary device of amount,
In order to solve above-mentioned technical problem, the technical scheme is that a kind of to shelf depreciation and device for detecting temperature
The secondary device of monitoring, it is characterised in that: include electric energy sampling module, control module and memory module, described electric energy sampling mould
Block is connected to described control module and connects, and described memory module is connected with described control module；Described electric energy sampling module includes
Current sampling circuit, filter circuit and change-over circuit, described current sampling circuit includes closed-loop current sensors, described closed loop electricity
Flow sensor is connected to described filter circuit, and described filter circuit connects described change-over circuit.
Further, described control module includes microprocessor.
Further, described control module is also associated with display.
Further, described filter circuit is arranged in series two between described current sampling circuit and described change-over circuit
Individual, it includes frequency overlapped-resistable filter, and the negative pole of wherein said frequency overlapped-resistable filter is sensed with described closed loop current by resistance R1
Device connects, and its outfan is connected to the negative pole of another frequency overlapped-resistable filter by resistance R4.
Further, described change-over circuit includes voltage comparator, and the outfan of described voltage rate of exchange device connects control
Module, the positive pole of described voltage comparator is connected with described filter circuit, between described voltage comparator and described filter circuit
The indirection point being in series with resistance R7 and resistance R8, described resistance R7 and resistance R8 is connected to the negative pole of described voltage comparator, even
Be in series with capacitor C3 and resistance R11 on line, the negative pole of described voltage comparator pass through resistance R9 ground connection, described capacitor C3 and
Resistance R11 contact connects the outfan with described voltage comparator.
What the employing technique scheme present invention obtained has the beneficial effect that setting in shelf depreciation and device for detecting temperature
Secondary monitoring device can monitor the power levels of shelf depreciation and device for detecting temperature in real time, it is possible to find that electric energy is in time
No go wrong, it is possible to the shelf depreciation going wrong electric energy and device for detecting temperature keep in repair and change so that electric power
System will not be because breaking down to shelf depreciation and device for detecting temperature and cause the generation of electric power system fault.
Accompanying drawing explanation
In order to be illustrated more clearly that the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
In having technology to describe, the required accompanying drawing used is briefly described, it should be apparent that, the accompanying drawing in describing below is only this
Some embodiments of invention, for those of ordinary skill in the art, on the premise of not paying creative work, also may be used
To obtain other accompanying drawing according to these accompanying drawings.
Fig. 1 is a kind of structural representation to the secondary device that shelf depreciation and device for detecting temperature are monitored of the present invention；
Fig. 2 is the structural representation of electric energy sampling module of the present invention.
In figure: 1-control module, 2-change-over circuit, 3-filter circuit, 4-current sampling circuit, 5-memory module, 6-are aobvious
Show device.
Detailed description of the invention
Below in conjunction with the accompanying drawings the detailed description of the invention of the present invention is described further.At this it should be noted that for
The explanation of these embodiments is adapted to assist in and understands the present invention, but is not intended that limitation of the invention.Additionally, it is disclosed below
As long as each embodiment of the present invention in involved technical characteristic do not constitute conflict each other and just can be mutually combined.
In conjunction with accompanying drawing, 1,2 couples of present invention further describe, and make person of ordinary skill in the field preferably implement this
Bright, a kind of secondary device monitoring shelf depreciation and device for detecting temperature of the present invention, including electric energy sampling module, control module
1 and memory module 5, electric energy sampling module is connected to control module 1 and connects, and memory module 5 is connected with control module 1, is used for storing up
Deposit the information that electric energy sampling module gathers, control module 1 is also associated with iatron 6, for showing required information；
Electric energy sampling module includes current sampling circuit 4, filter circuit 3 and change-over circuit 2, and current sampling circuit 4 includes closed loop current
Sensor, closed-loop current sensors is connected to filter circuit 3, and filter circuit 3 connects change-over circuit 2.
Control module 1 of the present invention includes microprocessor, and microprocessor uses TMS320LF2812 chip as control module 1
Core component, it is capable of the calculating task of multiple parameters of the quality of power supply, provides communication interface simultaneously, it is possible to and its
He carries out information sharing by equipment.
With reference to the accompanying drawings 2, filter circuit 3 is arranged in series two between current sampling circuit 4 and change-over circuit 2, filtered electrical
Road 3 includes frequency overlapped-resistable filter, and wherein the negative pole of frequency overlapped-resistable filter is connected with closed-loop current sensors by resistance R1, and it is defeated
Go out end and be connected to the negative pole of another frequency overlapped-resistable filter by resistance R4；Electric current can be forced by Anti-aliasing Filter Circuits 3
Signal passes through a band-limited low pass filter, and the cut-off frequency of this wave filter is the half of sample frequency, it is therefore prevented that frequently
The heating of rate aliasing is launched；Change-over circuit 2 includes voltage comparator, the outfan link control module 1 of voltage rate of exchange device, voltage ratio
The positive pole of relatively device is connected with filter circuit 3, is in series with resistance R7 and resistance R8, resistance between voltage comparator and filter circuit 3
The indirection point of R7 and resistance R8 is connected to the negative pole of voltage comparator, and line is in series with capacitor C3 and resistance R11, voltage ratio
The negative pole of relatively device passes through resistance R9 ground connection, capacitor C3 and resistance R11 contact and connects the outfan of comparator with voltage, conversion electricity
The signal of input is transformed into square-wave signal by road 2, in order to sampling needs require to count in a cycle of signal, needs
Designing a phase-locked loop circuit, phase-locked loop circuit is made up of phaselocked loop integrated chip CD4046 and frequency divider CD4040.
The secondary monitoring device that the present invention is arranged in shelf depreciation and device for detecting temperature can be monitored in real time and locally be put
Electricity and the power levels of device for detecting temperature, it is possible to find whether electric energy goes wrong in time, it is possible to electric energy is gone wrong
Shelf depreciation and device for detecting temperature keep in repair and change so that power system will not be because filling shelf depreciation and temperature monitoring
Put and break down and cause the generation of electric power system fault.
Above in association with accompanying drawing, embodiments of the present invention are explained in detail, but the invention is not restricted to described enforcement
Mode.For a person skilled in the art, in the case of without departing from the principle of the invention and spirit, to these embodiments
Carry out multiple change, revise, replace and modification, still fall within protection scope of the present invention.
Claims (5)
1. the secondary device that shelf depreciation and device for detecting temperature are monitored, it is characterised in that: include electric energy sampling module,
Control module and memory module, described electric energy sampling module is connected to described control module and connects, and described memory module is with described
Control module connects；Described electric energy sampling module includes current sampling circuit, filter circuit and change-over circuit, described current sample
Circuit includes that closed-loop current sensors, described closed-loop current sensors are connected to described filter circuit, and described filter circuit connects
Described change-over circuit.
A kind of secondary device that shelf depreciation and device for detecting temperature are monitored, it is characterised in that:
Described control module includes microprocessor.
A kind of secondary device that shelf depreciation and device for detecting temperature are monitored, it is characterised in that:
It is also associated with display in described control module.
A kind of secondary device that shelf depreciation and device for detecting temperature are monitored, it is characterised in that:
Described filter circuit is arranged in series two between described current sampling circuit and described change-over circuit, and it includes anti-aliasing filter
Device, the negative pole of wherein said frequency overlapped-resistable filter is connected with described closed-loop current sensors by resistance R1, and its outfan passes through
Resistance R4 is connected to the negative pole of another frequency overlapped-resistable filter.
A kind of secondary device that shelf depreciation and device for detecting temperature are monitored, it is characterised in that:
Described change-over circuit includes voltage comparator, the outfan link control module of described voltage rate of exchange device, described voltage comparator
Positive pole be connected with described filter circuit, be in series with resistance R7 and resistance between described voltage comparator and described filter circuit
The indirection point of R8, described resistance R7 and resistance R8 is connected to the negative pole of described voltage comparator, and line is in series with capacitor C3
With resistance R11, the negative pole of described voltage comparator passes through resistance R9 ground connection, described capacitor C3 and resistance R11 contact and connects band
The outfan of described voltage comparator.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610510802.6A CN106054096A (en) | 2016-07-01 | 2016-07-01 | Secondary equipment for monitoring partial discharging and temperature monitoring device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610510802.6A CN106054096A (en) | 2016-07-01 | 2016-07-01 | Secondary equipment for monitoring partial discharging and temperature monitoring device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106054096A true CN106054096A (en) | 2016-10-26 |
Family
ID=57201618
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610510802.6A Pending CN106054096A (en) | 2016-07-01 | 2016-07-01 | Secondary equipment for monitoring partial discharging and temperature monitoring device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106054096A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106486962A (en) * | 2016-10-28 | 2017-03-08 | 合肥舒实工贸有限公司 | A kind of temperature controller with current protecting function |
| CN106500268A (en) * | 2016-10-28 | 2017-03-15 | 合肥舒实工贸有限公司 | A kind of air-conditioner temperature controller of wireless information transfer |
| CN106527522A (en) * | 2016-10-28 | 2017-03-22 | 合肥舒实工贸有限公司 | Temperature controller with protection function |
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| CN201562022U (en) * | 2009-11-16 | 2010-08-25 | 深圳市华力特电气股份有限公司 | On-line electric energy quality monitoring instrument and on-line electric energy quality monitoring system |
| CN202433447U (en) * | 2011-12-16 | 2012-09-12 | 广东电网公司东莞供电局 | Dual central processing unit (CPU)-based electric energy quality online monitor |
| US20130262003A1 (en) * | 2012-03-27 | 2013-10-03 | Hamilton Sundstrand Corporation | Current measurement and comparing assembly for a power distribution system and method for measuring and comparing current |
| CN203909138U (en) * | 2014-06-18 | 2014-10-29 | 中国航天科技集团公司第九研究院第七七一研究所 | General three-phase AC signal synchronous sampling device |
| CN205120856U (en) * | 2015-10-15 | 2016-03-30 | 广州供电局有限公司 | Power quality monitor device of transformer substation |
| CN205139266U (en) * | 2015-10-28 | 2016-04-06 | 吴阿滚 | Fast transmission electric energy quality detecting system |
-
2016
- 2016-07-01 CN CN201610510802.6A patent/CN106054096A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201562022U (en) * | 2009-11-16 | 2010-08-25 | 深圳市华力特电气股份有限公司 | On-line electric energy quality monitoring instrument and on-line electric energy quality monitoring system |
| CN202433447U (en) * | 2011-12-16 | 2012-09-12 | 广东电网公司东莞供电局 | Dual central processing unit (CPU)-based electric energy quality online monitor |
| US20130262003A1 (en) * | 2012-03-27 | 2013-10-03 | Hamilton Sundstrand Corporation | Current measurement and comparing assembly for a power distribution system and method for measuring and comparing current |
| CN203909138U (en) * | 2014-06-18 | 2014-10-29 | 中国航天科技集团公司第九研究院第七七一研究所 | General three-phase AC signal synchronous sampling device |
| CN205120856U (en) * | 2015-10-15 | 2016-03-30 | 广州供电局有限公司 | Power quality monitor device of transformer substation |
| CN205139266U (en) * | 2015-10-28 | 2016-04-06 | 吴阿滚 | Fast transmission electric energy quality detecting system |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106486962A (en) * | 2016-10-28 | 2017-03-08 | 合肥舒实工贸有限公司 | A kind of temperature controller with current protecting function |
| CN106500268A (en) * | 2016-10-28 | 2017-03-15 | 合肥舒实工贸有限公司 | A kind of air-conditioner temperature controller of wireless information transfer |
| CN106527522A (en) * | 2016-10-28 | 2017-03-22 | 合肥舒实工贸有限公司 | Temperature controller with protection function |
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Application publication date: 20161026 |
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