CN207965008U - A kind of electric power observation and control instrument - Google Patents
A kind of electric power observation and control instrument Download PDFInfo
- Publication number
- CN207965008U CN207965008U CN201820493655.0U CN201820493655U CN207965008U CN 207965008 U CN207965008 U CN 207965008U CN 201820493655 U CN201820493655 U CN 201820493655U CN 207965008 U CN207965008 U CN 207965008U
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- China
- Prior art keywords
- electric power
- circuit
- connector
- mainboard
- control instrument
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- 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.)
- Expired - Fee Related
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- 230000005611 electricity Effects 0.000 claims description 6
- 238000004891 communication Methods 0.000 claims description 4
- 238000003466 welding Methods 0.000 claims description 4
- 238000001514 detection method Methods 0.000 claims description 3
- 230000010354 integration Effects 0.000 claims description 3
- 230000005540 biological transmission Effects 0.000 abstract description 4
- 238000013461 design Methods 0.000 abstract description 4
- 230000001276 controlling effect Effects 0.000 description 7
- 238000010586 diagram Methods 0.000 description 7
- 238000009434 installation Methods 0.000 description 2
- 230000009466 transformation Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000006698 induction Effects 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
Abstract
The utility model is related to a kind of electric power observation and control instruments, including shell and mainboard, collection plate, display control board and display screen in shell；Mainboard includes microprocessor；Collection plate includes voltage and current sample circuit and switching power circuit；Display control board is connect with display screen；Mainboard, collection plate, display control board are equipped with connector, realize the transmission of power supply or signal between each wiring board；The utility model improves observing and controlling speed, Measure Precision and the observing and controlling efficiency of electric power data, while the circuit designed is more compact so that stability and reliability are significantly improved by rational circuit structure design.
Description
Technical field
The utility model belongs to electric power monitoring technical field more particularly to electric power observation and control instrument.
Background technology
Measuring instrumentss are the essential survey tools of electric system, and ensure that electric power safety runs indispensable hand
One of section, it can reflect the present situation of loop current in electric power safety operational process；Prevent overcurrent or generation short circuit from causing
Failure, and can in conjunction with it is other protection come ensure operation power safety.
With the continuous improvement of intelligent transmission ＆ distribution electric installation, observing and controlling speed, observing and controlling essence of traditional measurement and control instrument for electric power data
The requirement of degree and observing and controlling efficiency, also cannot increasingly meet, simultaneously because type of modules, quantity are more, lead to installation volume
Greatly, wiring is more, and reliability and stability are all significant lower.
Utility model content
In view of this, in view of the deficiencies of the prior art, the utility model is intended to provide a kind of one kind of compact circuit
Electric power observation and control instrument can effectively solve the problem that problems of the prior art.
To achieve the above object, the utility model adopts the following technical solution：
A kind of electric power observation and control instrument, including shell and mainboard, collection plate, display screen and display control in shell
Plate；
The mainboard includes microprocessor, the first connector, the second connector；The microprocessor, the first connector, with
And second connector weld and be installed on mainboard；The collection plate include voltage/current sample circuit, switching power circuit with
And third connector；The voltage/current sample circuit, switching power circuit and the welding of third connector are mounted on collection plate
On；The display screen welding is installed on the display control board；
The display control board is equipped with the 4th connector, and the mainboard, collection plate, display control board pass through the first connection
Connection between device, the second connector, third connector and the 4th connector realizes power supply or signal between each wiring board
Transmission.
Further, display control circuit and button are additionally provided on the display control board.
Further, further include impulse output circuit on the mainboard.
Further, further include switching value output circuit on the mainboard.
Further, further include switching value input circuit on the mainboard.
Further, on the mainboard further include asynchronous serial RS485 communicating circuits.
Further, further include Ethernet communication circuit on the mainboard.
Further, the microprocessor Single-Chip Integration realizes the basic function of electric power detection.
Further, the switching power circuit includes rectification circuit, high frequency transformer, switching tube circuit, feedback circuit
And filter circuit.
Further, the high frequency transformer includes primary coil, secondary coil and magnetic core framework.
A kind of electric power observation and control instrument of the utility model improves observing and controlling speed, Measure Precision and the observing and controlling effect of electric power data
Rate, while used design circuit is more compact, stability and reliability have significant raising.
Description of the drawings
Fig. 1 is a kind of structural schematic diagram of the integrated circuit of electric power observation and control instrument of the utility model；
Fig. 2 is the structural schematic diagram of mainboard in a kind of electric power observation and control instrument of the utility model；
Fig. 3 is the structural schematic diagram of collection plate in a kind of electric power observation and control instrument of the utility model；
Fig. 4 is the structural schematic diagram of switching power circuit in a kind of electric power observation and control instrument of the utility model.
Specific implementation mode
Below in conjunction with attached drawing and specific implementation mode, the utility model is described further：
As shown in Figure 1, a kind of integrated circuit structure chart of electric power observation and control instrument, including be positioned over the mainboard 3 of enclosure interior, adopt
Collect plate 4, display screen 1 and display control board 2；
Display screen 1 is connected with display control board 2, and mainboard 3 is equipped with the first connector and the second connector, collection plate 4
It is equipped with third connector, display control board 2 is equipped with the 4th connector, and mainboard 3, collection plate 4, display control board 2 pass through the
Connection between a connector, the second connector, third connector and the 4th connector realizes power supply or signal in each circuit
Transmission between plate.
Fig. 2 is the electrical block diagram of mainboard 3, including microprocessor 31, impulse output circuit 32, output switch parameter electricity
Road 33, switching value input circuit 34, asynchronous serial RS485 communicating circuits 35 and Ethernet communication circuit 36；Pulse output electricity
Road 32, switching value output circuit 33, switching value input circuit 34, asynchronous serial RS485 communicating circuits 35 and ethernet communication
Circuit 36 is connected with microprocessor, and microprocessor 31 is the core of mainboard 3, and for sending out adjust instruction, control is external to hold
Row unit is adjusted.
Fig. 3 is the electrical block diagram of collection plate 4, including voltage/current sample circuit 41 and switching power circuit
42, the electric power data of entire circuit is acquired.
Fig. 4 is the structural schematic diagram of switching power circuit 42, including rectification circuit 421, filter circuit 422, high frequency transformation
Device 423, switching tube circuit 424 and feedback circuit 425, the switching power circuit use isolated design, first AC power
Input it is rectified be filtered into direct current, then control switching tube by high-frequency impulse bandwidth modulation signals, direct current be added to high frequency transformation
In device primary, high frequency transformer secondary induction goes out high frequency voltage, rectified filtering supply load, and output par, c passes through certain electricity
Road feeds back to control circuit, controls pulse width modulated duty cycle, to achieve the purpose that stablize output.
It is additionally provided with display control circuit and button on display control board 2, is used for the selection of menu function；Microprocessor 31
Single-Chip Integration realizes the basic function of electric power detection；The high frequency transformer 423 includes primary coil, secondary coil and magnetic
Core crab.
The utility model by rational circuit structure design, improve observing and controlling speed, the Measure Precision of electric power data with
And observing and controlling efficiency, while the circuit designed is more compact, stability and reliability significantly improve.
Finally it should be noted that：Above example is only to illustrate the technical solution of the utility model, rather than its limitations；
For those skilled in the art, the technical solution recorded in previous embodiment can still be repaiied
Change, equivalent replacement either is carried out to which part or all technical features；And these modifications or replacements, do not make corresponding skill
The essence of art scheme is detached from the scope of protection of the utility model.
Claims (10)
1. a kind of electric power observation and control instrument, it is characterised in that：Mainboard, collection plate, display screen including shell and in shell and
Display control board；
The mainboard includes microprocessor, the first connector, the second connector；The microprocessor, the first connector, Yi Ji
Two connectors are welded and are installed on mainboard；The collection plate includes voltage/current sample circuit, switching power circuit and
Three connectors；The voltage/current sample circuit, switching power circuit and the welding of third connector are mounted on collection plate；
The display screen welding is installed on the display control board；
The display control board be equipped with the 4th connector, the mainboard, collection plate, display control board by the first connector,
The biography of power supply or signal between each wiring board is realized in connection between second connector, third connector and the 4th connector
It is defeated.
2. a kind of electric power observation and control instrument as described in claim 1, it is characterised in that：Display control is additionally provided on the display control board
Circuit and button processed.
3. a kind of electric power observation and control instrument as described in claim 1, it is characterised in that：The mainboard further includes impulse output circuit.
4. a kind of electric power observation and control instrument as described in claim 1, it is characterised in that：The mainboard further includes output switch parameter electricity
Road.
5. a kind of electric power observation and control instrument as described in claim 1, it is characterised in that：The mainboard further includes On-off signal electricity
Road.
6. a kind of electric power observation and control instrument as described in claim 1, it is characterised in that：The mainboard further includes asynchronous serial RS485
Communicating circuit.
7. a kind of electric power observation and control instrument as described in claim 1, it is characterised in that：The mainboard further includes ethernet communication electricity
Road.
8. a kind of electric power observation and control instrument as described in claim 1, it is characterised in that：The microprocessor Single-Chip Integration is realized
The basic function of electric power detection.
9. a kind of electric power observation and control instrument as described in claim 1, it is characterised in that：The switching power circuit includes rectified current
Road, high frequency transformer, switching tube circuit, feedback circuit and filter circuit.
10. a kind of electric power observation and control instrument as claimed in claim 9, it is characterised in that：The high frequency transformer include primary coil,
Secondary coil and magnetic core framework.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820493655.0U CN207965008U (en) | 2018-04-09 | 2018-04-09 | A kind of electric power observation and control instrument |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820493655.0U CN207965008U (en) | 2018-04-09 | 2018-04-09 | A kind of electric power observation and control instrument |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207965008U true CN207965008U (en) | 2018-10-12 |
Family
ID=63727315
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820493655.0U Expired - Fee Related CN207965008U (en) | 2018-04-09 | 2018-04-09 | A kind of electric power observation and control instrument |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207965008U (en) |
-
2018
- 2018-04-09 CN CN201820493655.0U patent/CN207965008U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20190719 Address after: 361100 Sixth District, 1st Floor, Building C, 253 Ji'an Road, Tong'an District, Xiamen City, Fujian Province Patentee after: Xiamen Palm Energy Technology Co.,Ltd. Address before: Unit 410, 512 Chunbo Road, Industrial Zone, Xiamen Torch High-tech Zone, Fujian Province, 361000 Patentee before: XIAMEN SIKI AUTOMATION EQUIPMENT CO.,LTD. |
|
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20181012 |