CN207553942U - A kind of rolling door machine controller with lightning protection device - Google Patents
A kind of rolling door machine controller with lightning protection device Download PDFInfo
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- CN207553942U CN207553942U CN201721754094.7U CN201721754094U CN207553942U CN 207553942 U CN207553942 U CN 207553942U CN 201721754094 U CN201721754094 U CN 201721754094U CN 207553942 U CN207553942 U CN 207553942U
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- relay
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- alternating current
- machine controller
- protection device
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Abstract
The utility model discloses a kind of rolling door machine controller with lightning protection device, including MCU, alternating current generator, alternating current and inverter, it is characterised in that:Further include the first relay and the second relay; the MCU controls connect first relay and the second relay; the alternating current generator connects first relay; the first relay selection connects the alternating current and second relay; the second relay selection connects the inverter and ground wire; the inverter for having many advantages, such as to avoid door roller damages caused by lightning stroke, protects circuit components.
Description
Technical field
The utility model is related to a kind of rolling door machine controllers with lightning protection device.
Background technology
The circuit diagram of existing rolling screen door controller is as shown in Figure 1:The normally-closed contact A13 of relay 1 ' is connected with A16
Alternating current 2 ', the normally opened contact A12 of relay 1 ' connect inverter 3 ' with A15, and the movable contact A11 of relay 1 ' is connected with A14
Rolling screen door alternating current generator 4 ' passes through MCU5 ' and the selection of relay 1 ' is controlled to connect the alternating current 2 ' and the inverter 3 '.
For reasons of cost, the break distance between the 1 ' inner contact of relay of rolling door machine controller is not more than 1mm, and when disconnection touches
Dielectric withstanding voltage 1000V or so between point, when movable contact of several kilovolts of the Lightning Electromagnetic Pulses through line arrival relay 1 ' will
Medium between the movable contact of relay 1 ' and normally opened contact can be punctured, inverter is reached using the normally opened contact of relay 1 '
3 ', inverter 3 ' due to having the semiconductor devices such as metal-oxide-semiconductor, anti lightning energy force difference, easily make by several kilovolts of Lightning Electromagnetic Pulse
Inverter into door roller controller damages.
Utility model content
The purpose of the utility model is to overcome the deficiencies of the prior art, provide a kind of door roller control with lightning protection device
Device.
Technical solution is used by the utility model solves its technical problem:
A kind of rolling door machine controller with lightning protection device, including MCU, alternating current generator, alternating current and inverter, feature exists
In:The first relay and the second relay are further included, the MCU controls connect first relay and the second relay, institute
It states alternating current generator and connects first relay, the first relay selection connects the alternating current and second relay,
The second relay selection connects the inverter and ground wire.
In a further preferred embodiment, the movable contact of first relay connects the alternating current generator, normally opened contact
The movable contact of second relay is connected, normally-closed contact connects the alternating current;The normally opened contact of second relay connects
Connect the inverter, normally-closed contact ground connection.
In a further preferred embodiment, the first triode and the first base resistance, the first output terminal of the MCU are further included
The base stage of the first triode, the first transistor emitter ground connection, collector control connection are connected by the first base resistance
First relay.
In a further preferred embodiment, the second triode and the second base resistance, the second output terminal of the MCU are further included
The base stage of the second triode, the second transistor emitter ground connection, collector control connection are connected by the second base resistance
Second relay.
In a further preferred embodiment, the first triode, the second triode, the first base resistance and the second base stage are further included
Resistance, the output terminal of the MCU respectively by the first base resistance and the second base resistance connect the first triode base stage and
The base stage of second triode;The first transistor emitter ground connection, collector control connect first relay;Described
Two transistor emitters are grounded, and collector control connects second relay.
In a further preferred embodiment, the first fly-wheel diode is further included, first fly-wheel diode is connected in parallel on described
First relay both ends.
In a further preferred embodiment, the second fly-wheel diode is further included, second fly-wheel diode is connected in parallel on described
Second relay both ends.
The beneficial effects of the utility model are:
Two relays is controlled to switch mains-supplied and inverter power supply by MCU, when the thunder and lightning electromagnetism for there are several kilovolts
When pulse enters controller through line, let out by relay by ground wire to underground, Lightning Electromagnetic Pulse cannot reach inversion
Power supply so as to fulfill the protection to inverter, avoids the inverter of door roller from being damaged caused by lightning stroke.
When parallel connection fly-wheel diode in relay both ends avoids the actuating of relay, the electromotive force of moment is to other yuan of device of circuit
Part damages.
The utility model is described in further detail with reference to the accompanying drawings and embodiments;But a kind of band of the utility model
The rolling door machine controller of lightning protection device is not limited to embodiment.
Description of the drawings
Fig. 1 is a kind of circuit diagram of rolling door machine controller of the prior art;
Fig. 2 is the circuit diagram of one preferred embodiment of the utility model.
Specific embodiment
Embodiment, a kind of shown in Figure 2, rolling door machine controller with lightning protection device, including MCU1, alternating current generator 2, city
Electricity 3 and inverter 4, it is characterised in that:Further include the first relay K1 and the second relay K2, the MCU1 controls connection institute
The first relay K1 and the second relay K2 are stated, the alternating current generator 2 connects the first relay K1, first relay
K1 selections connect the alternating current 3 and the second relay K2, and the second relay K2 selections connect 4 He of inverter
Ground wire.
The movable contact of the first relay K1 connects the alternating current generator 2, and normally opened contact connects second relay
The movable contact of device K2, normally-closed contact connect the alternating current 3;The normally opened contact of the second relay K2 connects the inversion electricity
Source 4, normally-closed contact ground connection.
The first triode Q1, the second triode Q2, the first base resistance R1 and the second base resistance R3 are further included, it is described
The output terminal of MCU1 passes through the base stage of the first base resistance R1 and second base resistance R3 the first triodes of connection Q1 and respectively
The base stage of two triode Q2;The first triode Q1 emitters ground connection, collector control connect the first relay K1;Institute
The second triode Q2 emitters ground connection is stated, collector control connects the second relay K2.
The first sustained diode 1 is further included, first sustained diode 1 is connected in parallel on the first relay K1 both ends.
The second sustained diode 2 is further included, second sustained diode 2 is connected in parallel on the second relay K2 both ends.
When there is alternating current 3, MCU1 detects city's electric signal, MCU1 output terminals export low level, the first triode Q1 and
Second triode Q2 ends, and the first relay K1 and the second relay K2 be failure to actuate, the normally-closed contact A13 of the first relay K1 and
A16 connections alternating current 3, normally-closed contact A13 and A16 are also connected with the movable contact A11 and A14 of the first relay K1, movable contact A11 and
A14 connections alternating current generator 2, the normally-closed contact A13 of the first relay K1 connected with A16 the first relay K1 movable contact A11 and
A14, normally opened contact A12 connect the movable contact A21 and A24 of the second relay K2, the normally-closed contact of the second relay K2 with A15
A23 connects ground wire with A26, and normally-closed contact A23 and A26 are also connected with movable contact A21 and A24, and movable contact A21 connects first with A24
The normally opened contact A12 and A15 of relay K1 realizes that alternating current generator 2 is powered by alternating current 3.
When not having alternating current 3, MCU1, which is detected, does not have city's electric signal, and high level, the one or three pole are exported in 1 output terminals of MCU
Pipe Q1 and the second triode Q2 conductings, the first relay K1 and the second relay K2 actions, the normally opened contact of the first relay K1
A12 connects the movable contact A21 and A24 of the second relay K2 with A15, normally opened contact A12 and A15 be also connected with movable contact A11 and
A14, movable contact A11 connect alternating current generator 2 with A14, and the normally opened contact A22 of the second relay K2 connects inverter 3 with A25,
Normally opened contact A22 is also connected with movable contact A21 and A24, movable contact A21 connected with A24 the first relay K1 normally opened contact A12 and
A15 realizes that alternating current generator 2 is powered by inverter 3.
Alternating current 3 is powered, when inverter 3 is in standby mode, when having several kilovolts of Lightning Electromagnetic Pulse through line,
Since the normally-closed contact A13 and A16 of the first relay K1 is connect with alternating current 3, several kilovolts of Lightning Electromagnetic Pulse reach first after
The normally-closed contact A13 and A16 of electric appliance K1;The normally-closed contact A13 of first relay K1 connects the dynamic of the first relay K1 with A16 and touches
Point A11 and A14, several kilovolts of Lightning Electromagnetic Pulse reach the movable contact A11 and A14 of the first relay K1, the first relay K1
Movable contact A11 and A14 and the first relay K1 normally opened contact A12 and A15 between break distance no more than 1mm, contact
Between medium by several kilovolts Lightning Electromagnetic Pulse puncture, Lightning Electromagnetic Pulse reach the first relay K1 normally opened contact A12 and
A15;The normally opened contact A12 of first relay K1 connects the movable contact A21 and A24 of the second relay K2, thunder and lightning electromagnetism arteries and veins with A15
It is flushed to the movable contact A21 and A24 up to the second relay K2;The normally-closed contact A23 of second relay K2 connects the second relay with A26
The movable contact A21 and A24 of device K2, Lightning Electromagnetic Pulse reaches the normally-closed contact A23 and A26 of the second relay K2, due to second
The normally-closed contact A23 and A26 of relay K2 is connect with ground wire, and Lightning Electromagnetic Pulse leaks into underground, Lightning Electromagnetic Pulse through ground wire
The normally opened contact A22 and A25 of the second relay K2 cannot be reached, the normally opened contact A22 of the second relay K2 connects inversion with A25
Power supply 3, that is, after Lightning Electromagnetic Pulse enters controller, underground is leaked into through ground wire, Lightning Electromagnetic Pulse cannot reach inversion
Power supply 3 so as to fulfill the protection to rolling door machine controller inverter 3, avoids rolling door machine controller inverter 3 because lightning stroke is drawn
The damage risen.
Above-described embodiment is only used for further illustrating a kind of rolling door machine controller with lightning protection device of the utility model, but
The utility model is not limited to embodiment, and every foundation the technical essence of the utility model makees above example any
Simple modification, equivalent change and modification is each fallen in the protection domain of technical solutions of the utility model.
Claims (7)
1. a kind of rolling door machine controller with lightning protection device, including MCU, alternating current generator, alternating current and inverter, feature exists
In:The first relay and the second relay are further included, the MCU controls connect first relay and the second relay, institute
It states alternating current generator and connects first relay, the first relay selection connects the alternating current and second relay,
The second relay selection connects the inverter and ground wire.
2. a kind of rolling door machine controller with lightning protection device according to claim 1, it is characterised in that:First relay
The movable contact of device connects the alternating current generator, and normally opened contact connects the movable contact of second relay, and normally-closed contact connects
Connect the alternating current;The normally opened contact of second relay connects the inverter, normally-closed contact ground connection.
3. a kind of rolling door machine controller with lightning protection device according to claim 1 or 2, it is characterised in that:Further include
One triode and the first base resistance, the first output terminal of the MCU connect the base of the first triode by the first base resistance
Pole, the first transistor emitter ground connection, collector control connect first relay.
4. a kind of rolling door machine controller with lightning protection device according to claim 1 or 2, it is characterised in that:Further include
Two triodes and the second base resistance, the second output terminal of the MCU connect the base of the second triode by the second base resistance
Pole, the second transistor emitter ground connection, collector control connect second relay.
5. a kind of rolling door machine controller with lightning protection device according to claim 1, it is characterised in that:Further include the one or three
Pole pipe, the second triode, the first base resistance and the second base resistance, the output terminal of the MCU pass through the first base stage electricity respectively
Resistance connects the base stage of the first triode and the base stage of the second triode with the second base resistance;First transistor emitter connects
Ground, collector control connect first relay;Second transistor emitter ground connection, collector control connection described the
Two relays.
6. a kind of rolling door machine controller with lightning protection device according to claim 1, it is characterised in that:It is continuous to further include first
Diode is flowed, first fly-wheel diode is connected in parallel on the first relay both ends.
7. a kind of rolling door machine controller with lightning protection device according to claim 1, it is characterised in that:It is continuous to further include second
Diode is flowed, second fly-wheel diode is connected in parallel on the second relay both ends.
Priority Applications (1)
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CN201721754094.7U CN207553942U (en) | 2017-12-15 | 2017-12-15 | A kind of rolling door machine controller with lightning protection device |
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CN201721754094.7U CN207553942U (en) | 2017-12-15 | 2017-12-15 | A kind of rolling door machine controller with lightning protection device |
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CN207553942U true CN207553942U (en) | 2018-06-29 |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2021147578A1 (en) * | 2020-01-21 | 2021-07-29 | 福建安麟智能科技股份有限公司 | Sliding control mode circuit of motor with gravity compensation for fire and smoke curtain |
-
2017
- 2017-12-15 CN CN201721754094.7U patent/CN207553942U/en active Active
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2021147578A1 (en) * | 2020-01-21 | 2021-07-29 | 福建安麟智能科技股份有限公司 | Sliding control mode circuit of motor with gravity compensation for fire and smoke curtain |
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TR01 | Transfer of patent right |
Effective date of registration: 20200327 Address after: 363000 Room 201, building 1, No. 23, Shengli East Road, Xiangcheng District, Zhangzhou City, Fujian Province Patentee after: Zhangzhou Haiyin Intelligent Information Technology Co., Ltd Address before: 363000 Fujian city of Zhangzhou Province Zhang Hua Road, No. 47 Patentee before: FUJIAN ERLING ELECTRONICS Co.,Ltd. |
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TR01 | Transfer of patent right |