CN108548966A - A kind of electric load detecting system - Google Patents
A kind of electric load detecting system Download PDFInfo
- Publication number
- CN108548966A CN108548966A CN201810125965.1A CN201810125965A CN108548966A CN 108548966 A CN108548966 A CN 108548966A CN 201810125965 A CN201810125965 A CN 201810125965A CN 108548966 A CN108548966 A CN 108548966A
- Authority
- CN
- China
- Prior art keywords
- circuit
- electrically connected
- load
- detection
- chip microcontroller
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- 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
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R19/00—Arrangements for measuring currents or voltages or for indicating presence or sign thereof
- G01R19/04—Measuring peak values or amplitude or envelope of ac or of pulses
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R19/00—Arrangements for measuring currents or voltages or for indicating presence or sign thereof
- G01R19/25—Arrangements for measuring currents or voltages or for indicating presence or sign thereof using digital measurement techniques
Abstract
The invention discloses a kind of electric load detecting systems, including：Three phase mains circuit, load circuit, detection load resistance, the three phase mains circuit output end is electrically connected between load circuit, detection load resistance respectively, it is electrically connected between detection load resistance and the amplifying circuit, and the digital input port of A/D converter circuit is electrically connected by the amplifying circuit, the digital output port of the A/D converter circuit is mutually electrically connected with chip microcontroller, and the chip microcontroller is mutually electrically connected by air switch with load circuit.Using the technical program, sampling analysis processing is carried out to the circuit signal value that A/D converter circuit is converted by chip microcontroller so that the real time status detection of supply line is efficient, and can obtain timely maintenance process, and can be protected to load circuit.
Description
Technical field
The present invention relates to the technical fields of electric power detection, especially relate to a kind of electric load detecting system.
Background technology
Existing low-voltage power distribution room comprehensive monitoring substantially relies on direct measuring instrumentss and artificial on duty, cannot achieve long-range
Power supply situation of the detecting per supply line all the way, when wherein supply line's decompression all the way, it is difficult to send out power alarm letter immediately
Breath, network system integrated management cannot achieve.It in addition can only be with the roads Guo electricity Duan for the real-time current overload situation of main line
Protection carries out suspension operation, the inconvenience of user is caused, for this purpose, we design a kind of electric load detecting system.
Invention content
Technical problem to be solved by the invention is to provide a kind of electric load detecting systems.
To achieve the above object, the present invention provides technical solution below：A kind of electric load detecting system, including：Three
Phase power circuit, load circuit, detection load resistance, the three phase mains circuit output end are negative with load circuit, detection respectively
It is electrically connected, is electrically connected between detection load resistance and the amplifying circuit, and by the amplifying circuit between load resistance
It is electrically connected the digital input port of A/D converter circuit, the digital output port and chip microcontroller of the A/D converter circuit are mutually electric
Property connection, the chip microcontroller is mutually electrically connected by air switch with load circuit.
Preferably, rectifier is equipped between detection load resistance and the amplifying circuit.
Preferably, AD sampling modules are equipped between the A/D converter circuit and chip microcontroller.
Preferably, the output end of the chip microcontroller is also electrically connected alarm device.
Preferably, the detection load resistance, amplifying circuit, A/D converter circuit, chip microcontroller are formed by detection electricity
It is connected using shielded cable between road.
It is using the advantageous effect of above technical scheme：The circuit signal that A/D converter circuit is converted by chip microcontroller
Value carries out sampling analysis processing so that and the real time status detection of supply line is efficient, and can obtain timely maintenance process, and
Load circuit can be protected.
Description of the drawings
Fig. 1 is a kind of structural schematic diagram of electric load detecting system of the present invention.
Wherein, 1- three phase mains circuit；2- load circuits；3- air switches；4- detects load resistance；5- rectifiers；6-
Amplifying circuit；7-AD conversion circuits；8-AD sampling modules；9- chip microcontrollers；10- alarm devices.
Specific implementation mode
The preferred embodiment that the invention will now be described in detail with reference to the accompanying drawings.
As shown in Figure 1, the specific implementation mode of the present invention：A kind of electric load detecting system, including：Three phase mains circuit
1, load circuit 2, detection load resistance 4,1 output end of three phase mains circuit respectively with load circuit 2, detection load resistance
Be electrically connected between 4, be electrically connected between the detection load resistance 4 and amplifying circuit 6, the detection load resistance 4 with put
It is equipped with rectifier between big circuit 6, and is electrically connected the digital input port of A/D converter circuit 7, institute by the amplifying circuit 6
The digital output port and 9 phase of chip microcontroller for stating A/D converter circuit 7 are electrically connected, the A/D converter circuit 7 and chip monolithic
AD sampling modules 8 are equipped between machine 9, the sampled output of digital data value converted to A/D converter circuit 7 when AD sampling modules 8 is extremely
Chip microcontroller 9 receives, and the chip microcontroller 9 is electrically connected by air switch 3 and 2 phase of load circuit.
The output end of the chip microcontroller 9 is also electrically connected alarm device 10, setting alarm device 10 can and
When remind detection circuit on break down a little, can timely be safeguarded.
The detection load resistance 4, amplifying circuit 6, A/D converter circuit 7, chip microcontroller 9 be formed by detection circuit it
Between connected using shielded cable so that circuit signal value stabilization when detection, and signal interference will not occur.
The present invention is implemented：Pass through load circuit 2 and detection 4 uniform three-phase power circuit of load resistance, 1 phase electricity
Property connection, and detect load resistance 4 and be mutually electrically connected with A/D converter circuit by amplifying circuit 6, can be to the electricity on load circuit 2
Current voltage signal value is converted into filtering figure peak detection through A/D converter circuit, and is transferred to core using the sampling of module 8 by AD
Piece microcontroller 9 carries out remotely detecting the real time status per supply line all the way, and the fluctuation range of supply line all the way in office, which exceeds, to be set
When definite value, because of 9 external alarm device 10 of chip microcontroller so that alarm device 10 can send out power alarm letter in time
Breath so that the air switch 3 on load circuit 2 disconnects, and is protected to load circuit；In addition detecting system uses chip monolithic
Machine 9 can play the role of detection record and remote control.Using the technical program, by chip microcontroller to AD conversion electricity
The circuit signal value of road conversion carries out sampling analysis processing so that the real time status detection of supply line is efficient, and can obtain
Timely maintenance process, and load circuit can be protected.
What has been described above is only a preferred embodiment of the present invention, it is noted that for those of ordinary skill in the art
For, without departing from the concept of the premise of the invention, various modifications and improvements can be made, these belong to the present invention
Protection domain.
Claims (5)
1. a kind of electric load detecting system, including：Three phase mains circuit, load circuit, detection load resistance, feature exist
In the three phase mains circuit output end is electrically connected between load circuit, detection load resistance respectively, the detection load
It is electrically connected between resistance and amplifying circuit, and is electrically connected the digital input end of A/D converter circuit by the amplifying circuit
Mouthful, digital output port and the chip microcontroller of the A/D converter circuit are mutually electrically connected, and the chip microcontroller passes through air
Switch is mutually electrically connected with load circuit.
2. a kind of electric load detecting system according to claim 1, which is characterized in that the detection load resistance with put
It is equipped with rectifier between big circuit.
3. a kind of electric load detecting system according to claim 1, which is characterized in that the A/D converter circuit and chip
AD sampling modules are equipped between microcontroller.
4. a kind of electric load detecting system according to claim 1, which is characterized in that the output of the chip microcontroller
End is also electrically connected alarm device.
5. a kind of electric load detecting system according to claim 1, which is characterized in that the detection load resistance is put
Big circuit, A/D converter circuit, chip microcontroller are connected between being formed by detection circuit using shielded cable.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810125965.1A CN108548966A (en) | 2018-02-08 | 2018-02-08 | A kind of electric load detecting system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810125965.1A CN108548966A (en) | 2018-02-08 | 2018-02-08 | A kind of electric load detecting system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108548966A true CN108548966A (en) | 2018-09-18 |
Family
ID=63515814
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810125965.1A Pending CN108548966A (en) | 2018-02-08 | 2018-02-08 | A kind of electric load detecting system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108548966A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2553386Y (en) * | 2002-07-04 | 2003-05-28 | 陈虎 | D.C. system earthing detector |
| CN2766245Y (en) * | 2005-01-25 | 2006-03-22 | 扬州双鸿电子有限公司 | Multifunctional current detecting device |
| CN201674225U (en) * | 2010-05-12 | 2010-12-15 | 河南省电力公司济源供电公司 | Power line automatic power supply control device |
| CN202230159U (en) * | 2011-09-28 | 2012-05-23 | 福建俊豪电子有限公司 | Fault monitoring device of electric equipment |
| CN105372550A (en) * | 2015-12-10 | 2016-03-02 | 国网四川省电力公司电力科学研究院 | Intelligent communication power source monitoring device |
| CN206742967U (en) * | 2017-05-10 | 2017-12-12 | 冯宝平 | Supply and demand both sides power load monitoring system |
-
2018
- 2018-02-08 CN CN201810125965.1A patent/CN108548966A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2553386Y (en) * | 2002-07-04 | 2003-05-28 | 陈虎 | D.C. system earthing detector |
| CN2766245Y (en) * | 2005-01-25 | 2006-03-22 | 扬州双鸿电子有限公司 | Multifunctional current detecting device |
| CN201674225U (en) * | 2010-05-12 | 2010-12-15 | 河南省电力公司济源供电公司 | Power line automatic power supply control device |
| CN202230159U (en) * | 2011-09-28 | 2012-05-23 | 福建俊豪电子有限公司 | Fault monitoring device of electric equipment |
| CN105372550A (en) * | 2015-12-10 | 2016-03-02 | 国网四川省电力公司电力科学研究院 | Intelligent communication power source monitoring device |
| CN206742967U (en) * | 2017-05-10 | 2017-12-12 | 冯宝平 | Supply and demand both sides power load monitoring system |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102879667B (en) | Lightning protection device on-line remote monitoring recorder | |
| CN100588062C (en) | Control and protective circuit on control and protective switch electric apparatus | |
| CN207354054U (en) | The electric power system of online power equipment monitoring system | |
| CN209313420U (en) | A kind of family DC leakage monitoring for protection device | |
| CN107979071A (en) | Remote monitoring of power transmission line system | |
| CN103904770B (en) | A kind of AC power and battery power switching control system and method | |
| CN201360134Y (en) | Early-warning system for overload of household electricity | |
| CN201887427U (en) | Residual current protection circuit breaker with communication and alarm functions | |
| CN205958658U (en) | Arrester on -line monitor | |
| CN204989339U (en) | Monitoring device for high -voltage electric transmission line | |
| CN208654270U (en) | The online comprehensive monitor system of aerial high-voltage power transmission line | |
| CN108548966A (en) | A kind of electric load detecting system | |
| CN207368645U (en) | A kind of control and protective switch for distribution line | |
| CN202678082U (en) | Electronic transformer collector with overcurrent and overvoltage prevention function | |
| CN204179029U (en) | A kind of breaker of plastic casing with several functions | |
| CN201402973Y (en) | Protective device for power supply lines | |
| CN205027885U (en) | Three phase current monitoring system | |
| CN206272213U (en) | A kind of electronic trip unit of twin coil sample strip electric quantity monitoring function | |
| CN209472564U (en) | A kind of power-switching circuit of wireless temperature measuring device | |
| CN202710647U (en) | Monitoring device for direct current system | |
| CN203774753U (en) | Three-phase busbar low-voltage intelligent measurement and control circuit structure | |
| CN203368153U (en) | Intelligent controller for low voltage circuit breaker | |
| CN202583825U (en) | Oil field oil well equipment monitoring apparatus | |
| CN206099527U (en) | Final stage power consumption information monitoring switch with communication function | |
| CN205229728U (en) | Intelligent power manager |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20180918 |
|
| RJ01 | Rejection of invention patent application after publication |