CN209593100U - A kind of remote controlled Intelligent reclosing switching device - Google Patents
A kind of remote controlled Intelligent reclosing switching device Download PDFInfo
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- CN209593100U CN209593100U CN201822249583.8U CN201822249583U CN209593100U CN 209593100 U CN209593100 U CN 209593100U CN 201822249583 U CN201822249583 U CN 201822249583U CN 209593100 U CN209593100 U CN 209593100U
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Abstract
The utility model discloses a kind of remote controlled Intelligent reclosing switching devices, comprising: alternating current 220V input unit, lightning protection unit, magnetic latching relay and the alternating current 220V output unit being sequentially connected electrically；Lightning protection unit is also connected with voltage transformer unit, current transformer unit and zero sequence transformer unit, and the output end of voltage transformer unit, current transformer unit and zero sequence transformer unit is connected with the input terminal of microcontroller；The output end of zero sequence transformer unit is also connected with the input terminal for the hardware-accelerated circuit unit that leaks electricity, and the output end of electric leakage accelerating circuit unit is connected with microcontroller；The output end of microcontroller is also connected with the input terminal of H-bridge drive circuit unit, and the output end of H-bridge drive circuit unit is connected with the control terminal of magnetic latching relay.The utility model has the advantages that: device integrated level is high, has the multiple functions such as alternating current lightning protection, state control, automatic reclosing；Directly platform can be managed by docking system, and can realize that long-range control is automatically controlled with local.
Description
Technical field
The utility model relates to electric switch fields, and in particular to a kind of remote controlled Intelligent reclosing switch dress
It sets.
Background technique
Currently, domestic common alternating current electic protection is there are mainly two types of mode, one is with earth leakage protective air switch,
Its advantages are domestic convenients, the disadvantage is that need on-site manual to close a floodgate after tripping and be unable to monitor city's electricity condition, when malfunction or damage
It does not prompt, cannot remotely manage.Another is without the reclosing air switch remotely controlled, its advantage is that letter can be realized
Substance closing function, disadvantage are unable to monitor city's electricity condition, and when malfunction or damage does not prompt, and cannot remotely manage.Increase as a result,
The difficulty of city electric protective circuit breaker maintenance and management in industry, and need to expend a large amount of human costs.
Summary of the invention
The purpose of this utility model is to provide a kind of remote controlled intelligence according to above-mentioned the deficiencies in the prior art place
Energy reclosing switching device, the Intelligent reclosing switching device include the alternating current 220V input unit being sequentially connected electrically, lightning protection guarantor
Unit, magnetic latching relay and alternating current 220V output unit are protected, the voltage, electric current and zero sequence of mutual inductor real-time monitoring alternating current are passed through
Data simultaneously carry out processing transmission to above-mentioned data by microcontroller, to control the on off operating mode of magnetic latching relay, realize electricity
Road error protection and automatic reclosing function.
The utility model aim realization is completed by following technical scheme:
A kind of remote controlled Intelligent reclosing switching device, it is characterised in that the Intelligent reclosing switching device packet
It includes:
Sequentially connected alternating current 220V input unit, lightning protection unit, magnetic latching relay and alternating current 220V output are single
Member；
The lightning protection unit is also connected with for measuring line voltage data, current data and leakage current data
Voltage transformer unit, current transformer unit and zero sequence transformer unit, the voltage transformer unit, the Current Mutual Inductance
The output end of device unit and the zero sequence transformer unit is connected with the input terminal of voltage-frequency conversion calculation circuit unit, the voltage-frequency
The output end of conversion calculation circuit unit is connected with the input terminal of microcontroller；
The output end of the zero sequence transformer unit is also connected with the input terminal for the hardware-accelerated circuit unit that leaks electricity, the leakage
The output end of electric accelerating circuit unit is connected with the microcontroller；
The output end of the microcontroller is also connected with the input terminal of H-bridge drive circuit unit, the H-bridge drive circuit list
The output end of member is connected with the control terminal of the magnetic latching relay.
The Intelligent reclosing switching device further include:
DC12V input unit, DC12V detection of power loss unit, LDO power module and the farad capacitor being sequentially connected electrically are standby
Electric unit；
The farad capacitor includes constant-current charging circuit, farad capacitor and discharge circuit, the farad capacitor for electric unit
The output end of standby electric unit is connected with the control terminal of the magnetic latching relay；
The output end of the output end of the DC12V detection of power loss unit and the LDO power module also with the microcontroller
The input terminal of device is electrically connected.
The Intelligent reclosing switching device further include:
The RTC clock unit for Dose times being connected with the microcontroller；
What is be connected with the microcontroller is used to connect the RS485 communication unit of external data line.
The Intelligent reclosing switching device further includes being connected with the microcontroller for leakage analog, earth leakage protective
And the test switch unit of reclosing mechanism verifying, the test switch unit include test key switch and leakage analog
Circuit.
The Intelligent reclosing switching device further includes being connected with the microcontroller for inquiring, system parameter being arranged
With the key switch control unit of working condition.
The Intelligent reclosing switching device further includes being connected with the microcontroller for measuring environment temperature and wet
The Temperature and Humidity unit of degree, the Temperature and Humidity unit includes temperature sensor and humidity sensor.
The Intelligent reclosing switching device further include:
The LED indication unit being connected with the microcontroller, the LED indication unit include run indicator, communication refer to
Show lamp and alarm indicator；
The buzzer unit being connected with the microcontroller, the buzzer unit include buzzer and buzzer driving electricity
Road；
The OLED liquid crystal display being connected with the microcontroller, the OLED liquid crystal display include OLED liquid crystal
Display screen.
The lightning protection unit includes varistor and Thermal Cutoffs.
The utility model has the advantages that: device integrated level is high, has alternating current lightning protection, state control, automatic reclosing
Etc. multiple functions；Directly platform can be managed by docking system, and can realize that long-range control is automatically controlled with local.
Detailed description of the invention
Fig. 1 is the schematic diagram of Intelligent reclosing switching device in the utility model.
Specific embodiment
The feature of the utility model and other correlated characteristics are made further specifically by embodiment below in conjunction with attached drawing
It is bright, in order to the understanding of technical staff of the same trade:
Such as Fig. 1, label 1-23 is respectively as follows: alternating current 220V input unit 1, lightning protection unit 2, magnetic latching relay in figure
3, alternating current 220V output unit 4, voltage transformer unit 5, current transformer unit 6, zero sequence transformer unit 7, voltage-frequency conversion
Metering circuit unit 8, microcontroller 9, the hardware-accelerated circuit unit 10 of electric leakage, H-bridge drive circuit unit 11, DC12V input are single
Member 12, DC12V detection of power loss unit 13, LDO power module 14, farad capacitor refer to for electric unit 15, RTC clock unit 16, LED
Show unit 17, buzzer unit 18, Temperature and Humidity unit 19, test switch 20, key switch control unit 21, OLED liquid crystal
Display unit 22, RS485 communication unit 23.
Embodiment: as shown in Figure 1, the Intelligent reclosing switching device that the present embodiment is remote controlled more particularly to one kind,
The Intelligent reclosing switching device includes sequentially connected alternating current 220V input unit 1, lightning protection unit 2, magnetic holding relay
Device 3 and alternating current 220V output unit 4, by the voltage of mutual inductor real-time monitoring alternating current, electric current and leakage current data and by micro-
Controller 9 carries out processing transmission to above-mentioned data, to control the on off operating mode of magnetic latching relay 3, realizes that fault is protected
Shield and automatic reclosing function.
As shown in Figure 1, the remote controlled Intelligent reclosing switching device in the present embodiment includes sequentially connected city
Electric 220V input unit 1, lightning protection unit 2, magnetic latching relay 3 and alternating current 220V output unit 4, wherein alternating current 220V
Input unit 1 includes input interface, the access for alternating current；Lightning protection unit 2 includes varistor and Thermal Cutoffs, pressure
Quick resistance can play overvoltage protection and anti-lightning strike protection, and Thermal Cutoffs can play overheating protection；Magnetic latching relay 3 includes
Power magnetic force keeping relay, cutting and closing function for realizing alternating current；Alternating current 220V output unit 4 includes that output connects
Mouthful, the output for alternating current.
As shown in Figure 1, being also connected with the voltage data for measuring the alternating current flowed through, electric current number on lightning protection unit 2
According to the voltage transformer unit 5, current transformer unit 6 and zero sequence transformer unit 7 with leakage current data, wherein voltage
Mutual inductor unit 5 includes voltage transformer and signal conditioning circuit, and current transformer unit 6 includes current transformer and signal tune
Circuit is managed, and zero sequence transformer unit 7 then includes zero sequence transformer and signal conditioning circuit；Voltage transformer unit 5, electric current are mutual
Sensor cell 6 and zero sequence transformer unit 7 pass the voltage data of the alternating current measured in real time, current data and leakage current data
Voltage-frequency conversion metering circuit unit 8 connected to it is transported to, it includes metering chip and control electricity that voltage-frequency, which converts metering circuit unit 8,
Road is completed the transformation of data mode by voltage-frequency conversion metering circuit unit 8 and is further transmitted in microcontroller 9, microcontroller
Device 9 is analyzed and processed the voltage data, current data and the leakage current data that receive, judges whether alternating current occurred
Situations such as pressure, under-voltage, overcurrent, electric leakage；The output end of zero sequence transformer unit 7 is also connected with the hardware-accelerated circuit unit of electric leakage
10, the hardware-accelerated circuit unit 10 that leaks electricity includes operational amplifier circuit, comparator and reference circuit, the achievable prison to leakage current
It surveys, and electric leakage data is transmitted to microcontroller 9.
As shown in Figure 1, microcontroller of the microcontroller 9 using 32, output end are connected with H-bridge drive circuit unit
11, H-bridge drive circuit unit 11 includes driving chip；There is abnormal, such as mistake when measuring the alternating current flowed through in lightning protection unit 2
When pressure, under-voltage, overcurrent, electric leakage, microcontroller 9 will issue control command, and be driven by H-bridge drive circuit unit 11
Magnetic latching relay unit 3 disconnects circuit, to cut off the output of alternating current, plays power-off protection function, is spaced one after cutting
Microcontroller 9 of fixing time drives magnetic latching relay unit 3 by closing of circuit by H-bridge drive circuit unit 11 again, thus real
Existing automatic reclosing function.
As shown in Figure 1, the Intelligent reclosing switching device in the present embodiment further includes the DC12V input list being sequentially connected electrically
Member 12, DC12V detection of power loss unit 13, LDO power module 14 and farad capacitor are for electric unit 15, wherein DC12V input is single
Member 12 includes power input interface, fuse and EMC protective device；DC12V detection of power loss unit 13 includes DC12V detection of power loss
Whether circuit has a power input for monitoring DC12V input unit 12, DC12V detection of power loss unit 13 also with 9 phase of microcontroller
Even, detection of power loss data are transmitted to microcontroller 9；LDO power module 14 include reverse-connection preventing circuit, LDO power supply chip and
Filter capacitor, the power supply that will be inputted carry out linear voltage stabilization, export to microcontroller 9 wherein being converted to 3.3V power supply all the way for being
Circuits at different levels of uniting make working power, and another way is then converted to 5V power delivery to farad capacitor for electric unit 15；Farad capacitor is standby
Electric unit 15 includes constant-current charging circuit, farad capacitor and discharge circuit, and the 5V power supply that the transmission of LDO power module comes is by wherein
Constant-current charging circuit charge to farad capacitor, farad capacitor is also electrically connected with magnetic latching relay unit 3 for electric unit 15
It connects；After detecting DC12V power down, if the magnetic latching relay in magnetic latching relay unit 3 is in an off state at this time,
Farad capacitor will be released electricity therein by discharge circuit for the farad capacitor in electric unit 15, and magnetic is made to keep relay
Device is closed immediately, realizes automatic reclosing function.
As shown in Figure 1, the Intelligent reclosing switching device in the present embodiment further includes the experiment opening connecting with microcontroller 9
Unit 20 is closed, test switch unit 20 includes test key switch and leakage analog circuit, it can be achieved that leakage analog and electric leakage are protected
The reclosing mechanism of shield and present apparatus verifying, to ensure the safety and stability of the present apparatus.
As shown in Figure 1, the Intelligent reclosing switching device in the present embodiment further includes being connected with microcontroller 9 for real
When measurement present apparatus local environment temperature and humidity Temperature and Humidity unit 19, Temperature and Humidity unit 19 include temperature biography
Sensor and humidity sensor, can be by the data of the Temperature and Humidity module real-time Transmission monitored to microcontroller 9.
As shown in Figure 1, the Intelligent reclosing switching device in the present embodiment further includes that the LED being connected with microcontroller 9 refers to
Show unit 17, buzzer unit 18 and OLED liquid crystal display 22, wherein LED indication unit 17 include run indicator,
Communicate indicator light and alarm indicator, microcontroller 9 can by abnormal conditions by indicator light different in LED indication unit 17 into
Row display；Buzzer unit 18 includes buzzer and driving circuit, and abnormal conditions can be made bee by driving circuit by microcontroller 9
Ring device sounding realization is warned；LED indication unit 17 and buzzer unit 18 can realize the acousto-optic instruction alarm function of system jointly,
To ensure that abnormal conditions can be known and be taken timely measure by related personnel；And OLED liquid crystal display 22 then includes OLED
Liquid crystal display, microcontroller 9 can be by the real-time voltage of the alternating current measured, electric current, power, leakage current, electric leakage numbers, environment
Temperature and humidity, magnetic latching relay on off operating mode and system parameter are shown on OLED liquid crystal display, so that people be facilitated to obtain
Take every design parameter and working condition.
As shown in Figure 1, the Intelligent reclosing switching device in the present embodiment further includes that the key being connected with microcontroller 9 is opened
Close control unit 21, key switch control unit 21 include inquiry, setting plus, the function button that subtracts four, can be used for local look into
It askes, system parameter and state is set.
As shown in Figure 1, microcontroller 9 is also connected with RTC clock unit 16 and RS485 communication unit 23, RTC clock unit
16 include clock chip and clock crystal oscillator circuit, can provide for microcontroller 9 and stablize accurately fiducial time；RS485 communication unit
Member 23 includes isolation communication module, and for being connected to the data line of PERCOM peripheral communication, realization is docked with system management platform, micro-control
Device unit 9 processed can by the real-time voltage for the alternating current that RS485 communication unit 23 measures system, electric current, power, leakage current,
Electric leakage number, ambient temperature and humidity, magnetic latching relay on off operating mode and system parameter are transmitted on system management platform, are operated
Personnel can also be configured by system parameter of the system management platform to microcontroller 9 and each unit, to realize that it is long-range
The function of control.
As shown in Figure 1, the working principle of the remote controlled Intelligent reclosing switching device in the present embodiment is as follows:
(1) DC12V power supply successively accesses LDO power module through DC12V input unit 12 and DC12V detection of power loss unit 13
14, by exporting 5V and 3.3V power supply after 14 linear voltage stabilization of LDO power module, wherein 5V power supply is by constant-current circuit to farad capacitor
Charging, 3.3V plant-grid connection microcontroller 9 provide working power for system circuits at different levels.
(2) alternating current 220V successively accesses magnetic latching relay unit through alternating current 220V input unit 1, lightning protection unit 2
3, it is then exported again by alternating current 220V output unit 4, completes the controllable output function of alternating current 220V.
(3) voltage transformer unit 5, current transformer unit 6, the real-time isolation measurement alternating current of zero sequence transformer unit 7
Voltage, electric current, power and the leakage current data of 220V, and be transferred in voltage-frequency conversion metering circuit unit 8.
(4) voltage-frequency conversion metering circuit unit 8 is linked into microcontroller 9, realizes voltage, electric current, the power of alternating current 220V,
The acquisition of leakage current data and power measurement are analyzed and processed above-mentioned data by microcontroller 9, and are shown in OLED liquid
On crystal display screen；When detecting alternating current input over-voltage, under-voltage and output electric leakage, overload, overcurrent, short circuit, microcontroller 9 passes through
H-bridge drive circuit 11 drives magnetic latching relay quickly to cut off, and realizes overvoltage/undervoltage protection, earth leakage protective, overcurrent short-circuit protection function
Can, and acousto-optic is issued by LED light and buzzer and is warned；After abnormal conditions disappear, microcontroller 9 is again by H
Bridge driving circuit 11 drives magnetic latching relay closure, restores normal power supply, realizes automatic reclosing function.
(5) the hardware-accelerated circuit unit 10 that leaks electricity receives the data that zero sequence transformer unit 7 transmits, when leakage current is more than
When 30mA, drain conditions acceleration is transmitted to microcontroller 9 by the hardware-accelerated circuit unit 10 that leaks electricity, it is made quickly to make cutting magnetic
The order of guard relay, to quickly reduce dangerous.
(7) after detecting DC12V power down, if the magnetic latching relay in magnetic latching relay unit 3 is in disconnected at this time
Open state, then farad capacitor will be released electricity therein by discharge circuit for the farad capacitor in electric unit 15, be made
Magnetic latching relay is closed immediately, realizes automatic reclosing function.
The beneficial effect of the present embodiment is: device integrated level is high, has alternating current lightning protection, state control, automatic reclosing
The multiple functions such as lock；Directly platform can be managed by docking system, and can realize that long-range control is automatically controlled with local.
Claims (8)
1. a kind of remote controlled Intelligent reclosing switching device, it is characterised in that the Intelligent reclosing switching device packet
It includes:
Sequentially connected alternating current 220V input unit, lightning protection unit, magnetic latching relay and alternating current 220V output unit；
The lightning protection unit is also connected with the voltage for measuring line voltage data, current data and leakage current data
Mutual inductor unit, current transformer unit and zero sequence transformer unit, the voltage transformer unit, the current transformer list
The output end of the first and described zero sequence transformer unit is connected with the input terminal of voltage-frequency conversion calculation circuit unit, the voltage-frequency conversion
The output end of calculation circuit unit is connected with the input terminal of microcontroller；
The output end of the zero sequence transformer unit is also connected with the input terminal for the hardware-accelerated circuit unit that leaks electricity, and the electric leakage is hard
The output end of part accelerating circuit unit is connected with the microcontroller；
The output end of the microcontroller is also connected with the input terminal of H-bridge drive circuit unit, the H-bridge drive circuit unit
Output end is connected with the control terminal of the magnetic latching relay.
2. the remote controlled Intelligent reclosing switching device of one kind according to claim 1, it is characterised in that the intelligence
Energy reclosing switching device further include:
The standby electricity of DC12V input unit, DC12V detection of power loss unit, LDO power module and the farad capacitor being sequentially connected electrically is single
Member；
The farad capacitor includes constant-current charging circuit, farad capacitor and discharge circuit, the standby electricity of the farad capacitor for electric unit
The output end of unit is connected with the control terminal of the magnetic latching relay；
The output end of the output end of the DC12V detection of power loss unit and the LDO power module also with the microcontroller
Input terminal electrical connection.
3. the remote controlled Intelligent reclosing switching device of one kind according to claim 1, it is characterised in that the intelligence
Energy reclosing switching device further include:
The RTC clock unit for Dose times being connected with the microcontroller；
What is be connected with the microcontroller is used to connect the RS485 communication unit of external data line.
4. the remote controlled Intelligent reclosing switching device of one kind according to claim 1, it is characterised in that the intelligence
Energy reclosing switching device further includes being connected with the microcontroller for leakage analog, earth leakage protective and reclosing mechanism
The test switch unit of verifying, the test switch unit include test key switch and leakage analog circuit.
5. the remote controlled Intelligent reclosing switching device of one kind according to claim 1, it is characterised in that the intelligence
Can reclosing switching device further include be connected with the microcontroller be used to inquire, be arranged system parameter and working condition by
Key switch control unit.
6. the remote controlled Intelligent reclosing switching device of one kind according to claim 1, it is characterised in that the intelligence
Energy reclosing switching device further includes being connected with the microcontroller for measuring the Temperature and Humidity of environment temperature and humidity
Unit, the Temperature and Humidity unit includes temperature sensor and humidity sensor.
7. the remote controlled Intelligent reclosing switching device of one kind according to claim 1, it is characterised in that the intelligence
Energy reclosing switching device further include:
The LED indication unit being connected with the microcontroller, the LED indication unit include run indicator, communication indicator light
And alarm indicator；
The buzzer unit being connected with the microcontroller, the buzzer unit includes buzzer and buzzer drive circuit；
The OLED liquid crystal display being connected with the microcontroller, the OLED liquid crystal display include OLED liquid crystal display
Screen.
8. the remote controlled Intelligent reclosing switching device of one kind according to claim 1, it is characterised in that described anti-
Thunder protection location includes varistor and Thermal Cutoffs.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822249583.8U CN209593100U (en) | 2018-12-29 | 2018-12-29 | A kind of remote controlled Intelligent reclosing switching device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822249583.8U CN209593100U (en) | 2018-12-29 | 2018-12-29 | A kind of remote controlled Intelligent reclosing switching device |
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| Publication Number | Publication Date |
|---|---|
| CN209593100U true CN209593100U (en) | 2019-11-05 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822249583.8U Active CN209593100U (en) | 2018-12-29 | 2018-12-29 | A kind of remote controlled Intelligent reclosing switching device |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112180800A (en) * | 2020-10-13 | 2021-01-05 | 熵基科技股份有限公司 | Gate controller, system and control method |
| CN113133700A (en) * | 2020-01-19 | 2021-07-20 | 广东美的生活电器制造有限公司 | Food processor |
-
2018
- 2018-12-29 CN CN201822249583.8U patent/CN209593100U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113133700A (en) * | 2020-01-19 | 2021-07-20 | 广东美的生活电器制造有限公司 | Food processor |
| CN113133700B (en) * | 2020-01-19 | 2022-11-04 | 广东美的生活电器制造有限公司 | Food processor |
| CN112180800A (en) * | 2020-10-13 | 2021-01-05 | 熵基科技股份有限公司 | Gate controller, system and control method |
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