CN108107787A - A kind of apparatus for monitoring power supply - Google Patents
A kind of apparatus for monitoring power supply Download PDFInfo
- Publication number
- CN108107787A CN108107787A CN201711436193.5A CN201711436193A CN108107787A CN 108107787 A CN108107787 A CN 108107787A CN 201711436193 A CN201711436193 A CN 201711436193A CN 108107787 A CN108107787 A CN 108107787A
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- CN
- China
- Prior art keywords
- circuit
- voltage
- power supply
- power end
- controller
- 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
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- 238000012544 monitoring process Methods 0.000 title claims abstract description 19
- 238000001514 detection method Methods 0.000 claims abstract description 11
- 230000001105 regulatory effect Effects 0.000 claims abstract description 8
- 238000004891 communication Methods 0.000 claims description 12
- 238000007689 inspection Methods 0.000 claims description 2
- 230000005611 electricity Effects 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 239000004973 liquid crystal related substance Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B19/00—Programme-control systems
- G05B19/02—Programme-control systems electric
- G05B19/04—Programme control other than numerical control, i.e. in sequence controllers or logic controllers
- G05B19/042—Programme control other than numerical control, i.e. in sequence controllers or logic controllers using digital processors
- G05B19/0423—Input/output
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- H02J13/0075—
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B2219/00—Program-control systems
- G05B2219/20—Pc systems
- G05B2219/24—Pc safety
- G05B2219/24215—Scada supervisory control and data acquisition
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Automation & Control Theory (AREA)
- Secondary Cells (AREA)
Abstract
The invention discloses a kind of apparatus for monitoring power supply, concrete scheme is to include：It is connected the voltage detecting circuit and current detection circuit of the information of voltage and current strength information for detecting power end with power end, the signal message detected is sent to filter circuit by the voltage detecting circuit and current detection circuit in real time, the filter circuit is connected with A/D convertor circuit, the A/D convertor circuit is connected with controller, the output terminal of the controller is connected with driving circuit, and the PWM regulating circuits that the driving circuit carries out Regulation Control with the voltage exported to power end are connected.The present apparatus is monitored in real time by the output voltage to power end, Regulation Control is then carried out to the output voltage of power end by PWM regulating circuits when the output voltage and current value of power end are more than the threshold value of setting, ensures the normal work of power end and the Electrical Safety of user.
Description
Technical field
The present invention relates to confession electro-technical field more particularly to a kind of apparatus for monitoring power supply.
Background technology
Various electrical equipments use more and more, the electric network pollution brought therewith in power grid with the development of science and technology
Increasingly severe, the needs of the voltage and current of the power end output of various generating equipments monitor and control in real time, and
For detecting the electrification reset circuit of the main MCU of the electric energy meter of supply voltage condition information, hardware watchdog circuit, detection of power loss electricity
Road is extremely one of Key Circuit of electric energy meter reliability service, and in previous electric energy meter design, these circuits are using separation
Component is built, and due to the large number of of separating component and itself is there are certain parameter discrete, therefore this partial circuit is past
Toward there are certain unreliabilities and uncertainty.
The content of the invention
It is to include the invention discloses a kind of apparatus for monitoring power supply concrete scheme according to problem existing in the prior art：With
Power end is connected voltage detecting circuit and the current detecting electricity for the information of voltage and current strength information for detecting power end
The signal message detected is sent to filter circuit, the filter by road, the voltage detecting circuit and current detection circuit in real time
Wave circuit is connected with A/D convertor circuit, and the A/D convertor circuit is connected with controller, the output terminal of the controller and drive
Dynamic circuit is connected, and the PWM regulating circuits that the driving circuit carries out Regulation Control with the voltage exported to power end are connected.
The output terminal of the controller is also connected with showing the electricity that voltage detecting circuit and current detection circuit detect
The display of information and current information is pressed, the input terminal of the controller is connected with key circuit.
The output terminal of the controller is also associated with wireless communication module, the wireless communication module and the work to power supply
Situation carries out the monitor terminal wireless data communication of remote monitoring.
The driving circuit uses the driving chip of multiple model 74HC244 being arranged in parallel.
The wireless communication module uses model NRF905 radio receiving transmitting modules.
By adopting the above-described technical solution, a kind of apparatus for monitoring power supply provided by the invention, by being exported to power end
Information of voltage and current information gather and monitor in real time so as to using the output of PWM regulating circuits control power supply terminal voltage
Situation ensures the voltage that power supply output is surely put.
Description of the drawings
It in order to illustrate the technical solutions in the embodiments of the present application or in the prior art more clearly, below will be to embodiment or existing
There is attached drawing needed in technology description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
Some embodiments described in application, for those of ordinary skill in the art, without creative efforts,
It can also be obtained according to these attached drawings other attached drawings.
Fig. 1 is the structure diagram of apparatus of the present invention.
Fig. 2 is the schematic diagram of driving circuit in the present invention.
Specific embodiment
To make technical scheme and advantage clearer, with reference to the attached drawing in the embodiment of the present invention, to this
Technical solution in inventive embodiments is clearly completely described：
A kind of apparatus for monitoring power supply as depicted in figs. 1 and 2, including the electricity for being connected to detect power end with power end
Press information and the voltage detecting circuit 1 of current strength information and current detection circuit 2, the voltage detecting circuit 1 and electric current inspection
The signal message detected is sent to filter circuit 3 by slowdown monitoring circuit 2 in real time, and filter circuit 3 is connected with A/D convertor circuit 4, AD
Conversion circuit 4 is connected with controller 5, and the output terminal of controller 5 is connected with driving circuit 11, driving circuit 11 with to power supply
The PWM regulating circuits 6 that the voltage of end output carries out Regulation Control are connected.
Further, the output terminal of controller 5 is also connected with showing that voltage detecting circuit 1 and current detection circuit 2 are examined
The information of voltage and the display 7 of current information measured, the input terminal of the controller 5 are connected with key circuit 8.Pass through button
The voltage threshold and current threshold that circuit 8 is set to the input of controller 5, when voltage detecting circuit 1 and current detection circuit 2 detect
Then controller 5 controls PWM 6 outputs to power end of regulating circuit when the voltage value and current values arrived is more than the threshold value of setting
Voltage is adjusted control, and the voltage value that detects of voltage detecting circuit 1 and current detection circuit 2 and current values exist
It is real on display 7.Wherein controller 5 uses the control chip of model LM3s2965-IQC50.Display 7 uses model
The liquid crystal display of nokia5110.
Further, the output terminal of controller 5 is also associated with wireless communication module 9, wireless communication module 9 with to power supply
Working condition carries out 10 wireless data communication of monitor terminal of remote monitoring.Wireless communication module 9 using model NRF905 without
Line transceiver module.User can monitor the working condition of power supply in real time using monitor terminal 10 long-range.
Further, driving circuit 11 uses the driving chip of multiple model 74HC244 being arranged in parallel.
A kind of apparatus for monitoring power supply disclosed by the invention monitors the output voltage of power end, works as power end in real time
Output voltage and current value be more than setting threshold value when then the output voltage of power end is adjusted by PWM regulating circuits 6
Voltage-controlled system ensures the normal work of power end and the Electrical Safety of user.
The foregoing is only a preferred embodiment of the present invention, but protection scope of the present invention be not limited thereto,
Any one skilled in the art in the technical scope disclosed by the present invention, technique according to the invention scheme and its
Inventive concept is subject to equivalent substitution or change, should be covered by the protection scope of the present invention.
Claims (5)
1. a kind of apparatus for monitoring power supply, it is characterised in that：Including the information of voltage for being connected to detect power end with power end
With the voltage detecting circuit (1) of current strength information and current detection circuit (2), the voltage detecting circuit (1) and electric current inspection
The signal message detected is sent to filter circuit (3), the filter circuit (3) and A/D convertor circuit by slowdown monitoring circuit (2) in real time
(4) it is connected, the A/D convertor circuit (4) is connected with controller (5), the output terminal and driving circuit of the controller (5)
(11) it is connected, the driving circuit (11) carries out PWM regulating circuits (6) phase of Regulation Control with the voltage exported to power end
Connection.
2. a kind of apparatus for monitoring power supply according to claim 1, it is characterised in that：The output terminal of the controller (5) is also
Connect the display of the information of voltage and current information that show that voltage detecting circuit (1) and current detection circuit (2) detect
Device (7), the input terminal of the controller (5) are connected with key circuit (8).
3. a kind of apparatus for monitoring power supply according to claim 1, it is characterised in that：The output terminal of the controller (5) is also
Wireless communication module (9) is connected with, the wireless communication module (9) carries out the monitoring of remote monitoring with the working condition to power supply
Terminal (10) wireless data communication.
4. a kind of apparatus for monitoring power supply according to claim 1, it is characterised in that：The driving circuit (11) is using multiple
The driving chip for the model 74HC244 being arranged in parallel.
5. a kind of apparatus for monitoring power supply according to claim 3, it is characterised in that：The wireless communication module (9) uses
Model NRF905 radio receiving transmitting modules.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711436193.5A CN108107787A (en) | 2017-12-26 | 2017-12-26 | A kind of apparatus for monitoring power supply |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711436193.5A CN108107787A (en) | 2017-12-26 | 2017-12-26 | A kind of apparatus for monitoring power supply |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108107787A true CN108107787A (en) | 2018-06-01 |
Family
ID=62211818
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711436193.5A Pending CN108107787A (en) | 2017-12-26 | 2017-12-26 | A kind of apparatus for monitoring power supply |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108107787A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112467751A (en) * | 2020-11-09 | 2021-03-09 | 中国南方电网有限责任公司 | Emergency control system for safety and stability of electric power system |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0530057A (en) * | 1991-07-19 | 1993-02-05 | Fujitsu Ltd | Tdma receiver |
| CN103532242A (en) * | 2013-10-17 | 2014-01-22 | 安徽省皖北煤电集团有限公司 | Mine power supply monitoring system |
| CN203774875U (en) * | 2014-03-28 | 2014-08-13 | 青岛青整电子设备有限公司 | Power supply monitoring device |
| CN106199275A (en) * | 2016-07-22 | 2016-12-07 | 安徽亚辉电气自动化有限公司 | A kind of device for power quality analysis |
| CN206461436U (en) * | 2017-01-25 | 2017-09-01 | 珠海众特科技有限公司 | Power supply monitoring system |
-
2017
- 2017-12-26 CN CN201711436193.5A patent/CN108107787A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0530057A (en) * | 1991-07-19 | 1993-02-05 | Fujitsu Ltd | Tdma receiver |
| CN103532242A (en) * | 2013-10-17 | 2014-01-22 | 安徽省皖北煤电集团有限公司 | Mine power supply monitoring system |
| CN203774875U (en) * | 2014-03-28 | 2014-08-13 | 青岛青整电子设备有限公司 | Power supply monitoring device |
| CN106199275A (en) * | 2016-07-22 | 2016-12-07 | 安徽亚辉电气自动化有限公司 | A kind of device for power quality analysis |
| CN206461436U (en) * | 2017-01-25 | 2017-09-01 | 珠海众特科技有限公司 | Power supply monitoring system |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112467751A (en) * | 2020-11-09 | 2021-03-09 | 中国南方电网有限责任公司 | Emergency control system for safety and stability of electric power system |
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| Date | Code | Title | Description |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20180601 |