CN207782380U - A kind of automatic circuit - Google Patents
A kind of automatic circuit Download PDFInfo
- Publication number
- CN207782380U CN207782380U CN201820012574.4U CN201820012574U CN207782380U CN 207782380 U CN207782380 U CN 207782380U CN 201820012574 U CN201820012574 U CN 201820012574U CN 207782380 U CN207782380 U CN 207782380U
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- microcontroller
- interface
- toggle switch
- breaker
- connect
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- 238000005070 sampling Methods 0.000 claims abstract description 14
- 238000000034 method Methods 0.000 claims abstract description 5
- 230000008569 process Effects 0.000 claims abstract description 5
- 238000006243 chemical reaction Methods 0.000 claims description 6
- 230000009471 action Effects 0.000 claims description 3
- 230000007246 mechanism Effects 0.000 claims description 3
- 230000005611 electricity Effects 0.000 claims 1
- 239000004973 liquid crystal related substance Substances 0.000 abstract description 10
- 230000013011 mating Effects 0.000 abstract description 3
- 230000006870 function Effects 0.000 description 6
- 238000010586 diagram Methods 0.000 description 2
- 230000008901 benefit Effects 0.000 description 1
- 239000003990 capacitor Substances 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000011017 operating method Methods 0.000 description 1
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- Remote Monitoring And Control Of Power-Distribution Networks (AREA)
Abstract
The utility model discloses a kind of automatic circuits,It is related to power grid distributing automation apparatus field,Mostly use that liquid crystal display is equipped with button or touch screen is operated greatly for existing automatic circuit,Need setting multiple parameters that could work,It makes troubles to operating personnel,And due to being shown and the mating chip that can drive liquid crystal display using liquid crystal display,The problem of leading to the increase of automatic circuit cost,Microcontroller first interface is connect with toggle switch,Microcontroller second interface is connect with indicating unit,Microcontroller third interface is connect with relay output unit,Sampling unit includes current transformer and voltage transformer,Sampling unit output signal is sent into the scheme of the 4th interface of microcontroller after anti-jamming circuit carries out anti-interference process,The utility model is using 48 microcontrollers of ATMEGA as kernel control chip,Toggle switch is only needed to be selected as electric current and time gear,Respective leds are as display,It is small,Convenient for integrated,It is easy to operate,It is of low cost,With extensive market prospects.
Description
Technical field
The utility model is related to power grid distributing automation apparatus field, more particularly to a kind of automatic circuit.
Background technology
Ac high-voltage automatic recloser abbreviation automatic circuit is a kind of from tool control（Have in itself fault current detection and
Operation order controls and executes function, and relay protection and operating device are added without providing）And the high-voltage switch gear of defencive function is set
It is standby；It can detect the electric current by automatic circuit major loop automatically, cut-off fault current automatically by inverse time-lag protection when failure, and
It is overlapped in multiple times according to scheduled delay and sequence.
Existing intelligent recloser mostly uses greatly that liquid crystal display is equipped with button or touch screen is operated, and needs to be arranged multinomial
Parameter could work normally, and sometimes also needing to be equipped with specification could operate, therefore give operating personnel's especially educational level
It is not very high or not so good memory operating personnel to make troubles, and due to showing and mating can drive using liquid crystal display
The chip of liquid crystal display causes automatic circuit cost to increase.
Invention content
The utility model provides a kind of automatic circuit, to solve existing automatic circuit mostly use greatly liquid crystal display be equipped with button or
Person's touch screen operates, and needing multiple parameters are arranged could work normally, and sometimes also needing to be equipped with specification could operate,
Therefore it is not very high or not so good memory operating personnel to operating personnel's especially educational level to make troubles, and due to adopting
The problem of being shown with liquid crystal display and the mating chip that can drive liquid crystal display, leading to the increase of automatic circuit cost.
It is realized to solve the above problems, the utility model adopts the following technical solution：
A kind of automatic circuit, including control circuit and breaker, the control circuit include microcontroller, toggle switch, instruction
Unit, relay output unit, anti-jamming circuit and sampling unit；
The AVR series monolithic of the microcontroller sampling with analog/digital conversion function, microcontroller first interface and dial-up
Switch connection, toggle switch are 6 toggle switch；
Microcontroller second interface is connect with indicating unit, and indicating unit includes light emitting diode and current-limiting resistance, for referring to
Show current range value；
Microcontroller third interface is connect with relay output unit, the action for controlling breaker；
Sampling unit includes current transformer and voltage transformer, and the sampling unit output signal passes through anti-jamming circuit
It is sent into the 4th interface of microcontroller after carrying out anti-interference process, the 4th interface of microcontroller is the interface with analog/digital conversion function；
The output end of the relay output unit and the control terminal of breaker connect；
The indicating unit includes at least 6 light emitting diodes, and 6 light emitting diode word orders, each two
Pole pipe indicates the current value of a gear.
Preferably, the toggle switch corresponds to 6 electric current gears, by the combination to toggle switch can realize electric current and
Reclosure time selects.
Preferably, the AVR series monolithics are 48 patch type microcontrollers of ATMEGA.
Preferably, the breaker is three-phase column support type permanent magnet mechanism circuit-breaker.
The utility model is using 48 microcontrollers of ATMEGA as kernel control chip, it is only necessary to toggle switch as electric current and
Time gear selects, and respective leds are used as display, small, easy to operate convenient for integrated, of low cost, have extensively
General market prospects.
Description of the drawings
Fig. 1 is embodiment electrical block diagram provided by the utility model.
Specific implementation mode
To keep the purpose of this utility model, technical solution and advantage clearer, implement below in conjunction with the utility model
Fig. 1 in example, the technical scheme in the utility model embodiment is clearly and completely described, it is clear that described implementation
Example is the utility model a part of the embodiment, instead of all the embodiments.The sheet being usually described and illustrated herein in the accompanying drawings
The detailed description of the embodiment of utility model is not intended to limit claimed the scope of the utility model, but is merely representative of
The selected embodiment of the utility model.Based on the embodiments of the present invention, those of ordinary skill in the art are not making
The every other embodiment obtained under the premise of creative work, shall fall within the protection scope of the present invention.
Fig. 1 is embodiment electrical block diagram provided by the utility model, as shown in Figure 1, a kind of automatic circuit, including control
Circuit and breaker processed, control circuit include microcontroller, toggle switch, indicating unit, relay output unit, anti-jamming circuit
And sampling unit；
AVR series monolithic of the microcontroller sampling with analog/digital conversion function, it is contemplated that cost and performance issue, this reality
Applying 48 microcontrollers of ATMEGA that example preferably uses price to be no more than 10 RMB working performances up to 20MIPS should to reduce volume
Microcontroller selects patch type.Microcontroller first interface is connect with toggle switch, and toggle switch is 6 toggle switch；Toggle switch
Corresponding 6 electric current gears can realize that electric current and reclosure time select by the combination to toggle switch, i.e., 6 dial-ups are opened
Pass is divided into 2 groups, and first group of selection for being responsible for electric current, second group selects as closing time, wherein every group 3, every group can be real
Existing 8 kinds of combinations.Program therein can use for reference common microcontroller teaching material, be not repeated herein.
Microcontroller second interface is connect with indicating unit, and indicating unit includes light emitting diode and current-limiting resistance, for referring to
Show current range value；Indicating unit includes at least 6 light emitting diodes, 6 light emitting diode word orders, each diode
Indicate the current value of a gear.Electric current gear is solidificated in SCM program, can only be selected by toggle switch, therefore remove from
Common intelligent recloser needs, by the operation of liquid crystal display and a large amount of input parameters of button, to simplify operating procedure, convenient
Staff.
Microcontroller third interface is connect with relay output unit, the control of the output end and breaker of relay output unit
End processed connects the action for controlling breaker；Breaker is three-phase column support type permanent magnet mechanism circuit-breaker.Specific connection type can
With the specification with reference to breaker, it is not repeated herein.
Sampling unit includes current transformer and voltage transformer, and sampling unit output signal is carried out by anti-jamming circuit
The 4th interface of microcontroller is sent into after anti-interference process, the 4th interface of microcontroller is the interface with analog/digital conversion function.It is anti-interference
Isolating chip form or capacitance, inductor filter form may be used in circuit, in order to reduce volume and reduce cost, the present embodiment
Using the common anti-interference mode of inductance capacitor filtering.
It should be noted that the control circuit of this automatic circuit further includes one provides the power supply unit of electric energy for it, the list
Member can be solar battery cell or the electric energy that is directly converted to from power grid by mutual inductor, because it is the prior art,
It is not described in detail herein.
In use, sampling unit and breaker access are needed on circuit to be protected, then dial-up is stirred with screwdriver and opened
It closes and selects suitable electric current gear and time gear, greatly reduce the operating process of operating personnel.
Claims (4)
1. a kind of automatic circuit, including control circuit and breaker, it is characterised in that：
The control circuit includes microcontroller, toggle switch, indicating unit, relay output unit, anti-jamming circuit and adopts
Sample unit；
The AVR series monolithic of the microcontroller sampling with analog/digital conversion function, microcontroller first interface and toggle switch
Connection, toggle switch are 6 toggle switch；
Microcontroller second interface is connect with indicating unit, and indicating unit includes light emitting diode and current-limiting resistance, is used to indicate electricity
Flow value range；
Microcontroller third interface is connect with relay output unit, the action for controlling breaker；
Sampling unit includes current transformer and voltage transformer, and the sampling unit output signal is carried out by anti-jamming circuit
The 4th interface of microcontroller is sent into after anti-interference process, the 4th interface of microcontroller is the interface with analog/digital conversion function；
The output end of the relay output unit and the control terminal of breaker connect；
The indicating unit includes at least 6 light emitting diodes, 6 light emitting diode word orders, each diode
Indicate the current value of a gear.
2. automatic circuit according to claim 1, it is characterised in that：
The toggle switch corresponds to 6 electric current gears, and electric current and reclosure time can be realized by the combination to toggle switch
Selection.
3. automatic circuit according to claim 1, it is characterised in that：
The AVR series monolithics are 48 patch type microcontrollers of ATMEGA.
4. automatic circuit according to claim 1, it is characterised in that：
The breaker is three-phase column support type permanent magnet mechanism circuit-breaker.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820012574.4U CN207782380U (en) | 2018-01-04 | 2018-01-04 | A kind of automatic circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820012574.4U CN207782380U (en) | 2018-01-04 | 2018-01-04 | A kind of automatic circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207782380U true CN207782380U (en) | 2018-08-28 |
Family
ID=63223673
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820012574.4U Active CN207782380U (en) | 2018-01-04 | 2018-01-04 | A kind of automatic circuit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207782380U (en) |
-
2018
- 2018-01-04 CN CN201820012574.4U patent/CN207782380U/en active Active
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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: 20231124 Address after: 530021 the Guangxi Zhuang Autonomous Region Qingxiu District of Nanning Hui Chun Road No. 3 Patentee after: EXTRA-HIGH VOLTAGE POWER TRANSMISSION (NANJING) CORPORATION OF CHINA SOUTHERN POWER GRID Co.,Ltd. Address before: 530021 the Guangxi Zhuang Autonomous Region Qingxiu District of Nanning Hui Chun Road No. 3 Patentee before: EXTRA-HIGH VOLTAGE POWER TRANSMISSION (NANJING) CORPORATION OF CHINA SOUTHERN POWER GRID Co.,Ltd. Patentee before: GUANGZHOU QIANSHUN ELECTRONIC EQUIPMENT Co.,Ltd. |