CN108922836B - The preposition safety release device of magnetic multi-coil in the same direction - Google Patents
The preposition safety release device of magnetic multi-coil in the same direction Download PDFInfo
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- CN108922836B CN108922836B CN201810604400.1A CN201810604400A CN108922836B CN 108922836 B CN108922836 B CN 108922836B CN 201810604400 A CN201810604400 A CN 201810604400A CN 108922836 B CN108922836 B CN 108922836B
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- coil
- preposition
- tripping coil
- diode
- same direction
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H71/00—Details of the protective switches or relays covered by groups H01H73/00 - H01H83/00
- H01H71/10—Operating or release mechanisms
- H01H71/12—Automatic release mechanisms with or without manual release
- H01H71/24—Electromagnetic mechanisms
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- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Emergency Protection Circuit Devices (AREA)
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Abstract
The present invention provides a kind of preposition safety release device of magnetic multi-coil in the same direction, it includes the preposition power-supply circuit of coil, the residual current acting control circuit and residual current detection circuit being connect with the preposition power-supply circuit of coil, the preposition power-supply circuit of coil includes the tripping coil that several are arranged in parallel, the tripping coil is arranged between rectification circuit and the output end of three-phase mains, plurality of electromagnetic iron tripping coil is placed in out of phase input terminal i.e. rectification circuit front end, make it have safety, it is equidirectional that the electric current for flowing through tripping coil L1 and tripping coil L2, which fixes, equidirectional magnetic field will be generated when working in this way, to improve the efficiency of buckle releaser, reduce the noise of buckle releaser, tripping coil is preposition simultaneously can be with effective protection rectifier diode, to reduce equipment failure rate, its main feature is that three phase mains rectifier diode is any Can all there be a magnetic field to make work of electromagnet in the case where short circuit.
Description
Technical field
The present invention relates to a kind of buckle releasers, and in particular to a kind of preposition safety release device of magnetic multi-coil in the same direction.
Background technique
It is safe way to take power that three-phase, which takes electricity, can be new with reliably working when any one phase has open-phase fault
The countries concerned's standard adopted.
It is using simplex winding tripping coil when three-phase takes electricity, simplex winding tripping coil circuit can only pacify tripping coil
It is entirely electric when rectification circuit has diode accidental short circuit (shorted diode is permanent fault) in this way loaded on rectification circuit junior
It road will short circuit.Electronic circuit short trouble can cause localized hyperthermia, make pcb board, electronic component and other plastic fittings carbon
Change, gasification, metallic vapour, graphite silk mist is released, so as to cause more serious main circuit short circuit accident (detonation, explosion).
Summary of the invention
For the technical deficiency more than overcoming, the present invention provides a kind of preposition safety release device of magnetic multi-coil in the same direction.
The present invention provides a kind of preposition safety release device of magnetic multi-coil in the same direction comprising the preposition power-supply circuit of coil and line
The residual current acting control circuit and residual current detection circuit of preposition power-supply circuit connection are enclosed, the coil is preposition to take electricity
Circuit includes the tripping coil that several are arranged in parallel, and the output end of rectification circuit and three-phase mains is arranged in the tripping coil
Between.
The preposition power-supply circuit of coil, which is the preposition three-phase power-supply circuit of magnetic twin coil in the same direction, multi-thread turn coil is preposition takes electricity
One of circuit and the preposition three-phase and four-line power-supply circuit of multi-coil.
The preposition three-phase power-supply circuit of magnetic twin coil in the same direction includes two and is arranged in parallel and the identical tripping of magnetic direction
Coil, the tripping coil are connect with the output end of the input terminal of rectification circuit and three-phase mains respectively.
Tripping coil coiling in such a way that coiling is isolated in Double-wire parallel wound or single line in the same direction.
The preposition three-phase power-supply circuit of magnetic twin coil in the same direction includes the tripping coil L1 being connected with one, is connected with another
The tripping coil L2 connect, the tripping coil L1 are connect with the anode of diode D1, the tripping coil L2 and diode D4's
Cathode connection, a remaining phase are then connect with the cathode of the anode of diode D2 and diode D3 respectively, diode D2 cathode
It is connected to positive output end with the cathode of diode D1, the anode of diode D3 and the anode of diode D4 are connected to negative output
End.
One end of varistor RV1, varistor RV2 and varistor RV3 link together, the respective other end point
It is not connected with difference.
The preposition power-supply circuit of multi-thread turn coil includes three tripping coils being arranged in parallel, the tripping coil difference
It is connected with A, B, C tri-, and its other end is then distinguished series diode and connect with residual current acting control circuit.
The preposition three-phase and four-line power-supply circuit of multi-coil includes the tripping coil being connected with A, B, C any two, wherein
It is connect after tripping coil L1 series diode D1 with the positive output end of rectifier bridge, an input terminal of rectifier bridge more than tripping coil L2
Connection, and another input terminal of remaining Xiang Zeyu rectifier bridge connects, the negative output terminal of rectifier bridge then series diode D6
It is connected afterwards by tripping coil L3 with N, and the direction of winding of tripping coil L3 and tripping coil L2 are with tripping coil L1's
Direction of winding is opposite.
The preposition safety release device of magnetic multi-coil in the same direction is additionally provided with residual current hookup.
Beneficial effects of the present invention: before plurality of electromagnetic iron tripping coil is placed in out of phase input terminal i.e. rectification circuit
End, makes it have safety, and the electric current for flowing through tripping coil L1 and tripping coil L2 fixes to be equidirectional, will when working in this way
Generate equidirectional magnetic field, to improve the efficiency of buckle releaser, reduce the noise of buckle releaser, at the same tripping coil is preposition can be effective
Rectifier diode is protected, so that equipment failure rate is reduced, its main feature is that in the case where any short circuit of three phase mains rectifier diode
There will be a magnetic field to make work of electromagnet.
Detailed description of the invention
Fig. 1 is circuit diagram of the invention.
Fig. 2 is the circuit diagram of the embodiment of the present invention 1.
Fig. 3 is the output waveform figure of the three-phase imbalance rectification circuit of embodiment 1.
Fig. 4 is the circuit diagram of embodiment 2.
Fig. 5 is the circuit diagram of embodiment 3.
Specific embodiment
Embodiments of the present invention is further illustrated with reference to the accompanying drawing:
As shown, the present invention provides a kind of preposition safety release device of magnetic multi-coil in the same direction comprising coil is preposition to take electricity
Circuit, with magnetic preposition any phase residual current acting control circuit for taking any phase power-supply circuit to connect and residual current in the same direction
Detection circuit, the preposition power-supply circuit of coil includes that several are arranged in parallel and the identical tripping coil of magnetic direction, described
Tripping coil is directly connected to the not isopen of alternating current respectively.
Embodiment 1, buckle releaser is using a coil rack and acts on the same iron core, uses Double-wire parallel wound or single line
The mode of isolation coiling is wound on the coil rack in the same direction, and one end of two coils is connected with the difference of alternating current respectively
It connecing, i.e., coils from parallel connection of coils is arranged, and is electrically connected respectively from different phase lines, i.e., the head of each tripping coil is mutually indirectly connected with tail,
Realize that the tail of the head and second tripping coil of first tripping coil is indirectly connected, the head of second tripping coil and first
The tail of tripping coil is indirectly connected with, and substantially two interlocking end to end for coil are arranged side by side.
The preposition three-phase power-supply circuit of magnetic twin coil in the same direction includes the tripping coil L1 being connected with one, is connected with another
The tripping coil L2 connect, the tripping coil L1 are connect with the anode of diode D1, the tripping coil L2 and diode D4's
Cathode connection, a remaining phase are then connect with the cathode of the anode of diode D2 and diode D3 respectively, diode D2 cathode
It is connected to positive output end with the cathode of diode D1, the anode of diode D3 and the anode of diode D4 are connected to negative output
End.
One end of varistor RV1, varistor RV2 and varistor RV3 link together, the respective other end point
It is not connected with difference.
The electric current for flowing through tripping coil L1 and tripping coil L2 fixes to be equidirectional, will generate when working so equidirectional
Magnetic field reduce the noise of buckle releaser to improve the efficiency of buckle releaser.Diode D1, diode D2, diode D3, diode
D4 forms special three-phase imbalance rectification circuit, and output waveform is as shown in Figure 5.Under normal operation, tripping coil L1
There is equidirectional electric current to flow through with tripping coil L2, generate magnetic field in the same direction, buckle releaser works normally, and ought wherein a phase factor failure break
It can at least work there are also one group of tripping coil when electric.When diode D1, diode D2, diode D3, diode D4 have 1,
2,3 or all when burning short circuit, circuit has tripping coil L1, tripping coil L2 or tripping coil L1+ tripping coil L2 to work as
At load, buckle releaser is made to thread off, to protect controller switching equipment.
Tripping coil is preposition can be with effective protection rectifier diode, to reduce equipment failure rate.Its main feature is that three-phase electricity
Can all there be a magnetic field to make work of electromagnet in the case where any short circuit of source rectification circuit.
Residual current acting control circuit in the present invention includes control chip U1, and control chip U1 is M54123, control
It is connect after 8 foot series resistance R5 of chip with the output end of the preposition power-supply circuit of coil, the 3 feet ground connection of control chip U1, control
Successively shunt regulator tube D9 and electrolytic capacitor C9, the 7 foot series resistance R4 of control chip U1 connect between 7 feet and 8 feet of chip U1
The control terminal of silicon-controlled Q1, the positive and negative two-stage parallel connection of silicon-controlled Q1 between two output ends of the preposition power-supply circuit of coil, and
The control terminal shunt capacitance C7 ground connection of capacitor C6 and resistance R6, silicon-controlled Q1 after the both ends parallel connection series connection of silicon-controlled Q1, control
6 feet of coremaking piece U1 are grounded by capacitor C4, control chip U1 5 feet and 4 feet be sequentially connected in series diode D8 and diode D7 with
Residual current detection circuit connection is grounded between diode D7 and diode D8 by electrolytic capacitor C8.
Residual current detection circuit in the present invention includes mutual inductor, and series resistance is distinguished in two ports of the mutual inductor
R1 and resistance R2 connects 2 feet and 1 foot of control chip U1, the cathode between resistance R2 and 1 foot for controlling chip U1 with diode D7
The foot of connection, control chip U1 is grounded by capacitor C1, controls shunt capacitance C2 between 1 foot and 2 feet of chip U1, mutual inductor
Successively parallel resistance R3, diode D5, capacitor C3 and the diode D6 oppositely arranged with diode D5 between output end.For
Detect leakage current.
The present invention is additionally provided with residual current hookup, which includes the testing button being arranged in series
TEST and resistance R7 can generate test current in testing button TEST movement, to realize that the tripping of buckle releaser is surveyed
Examination.
Embodiment 2:
The preposition power-supply circuit of multi-thread turn coil includes three tripping coils being arranged in parallel, the tripping coil difference
It is connected with A, B, C tri-, and its other end is then distinguished series diode and connect with residual current acting control circuit.
Varistor RV1, RV2, RV3 in parallel between any one phase and N phase.Play the role of protection, tripping coil is set
It sets before rectification circuit, effective protection rectifier diode, so that equipment failure rate is reduced, its main feature is that three phase mains rectified current
Can all there be a magnetic field to make work of electromagnet in the case where any short circuit in road.
Embodiment 3:
The preposition three-phase and four-line power-supply circuit of multi-coil includes the tripping coil being connected with A, B, C any two, wherein
It is connect after tripping coil L1 series diode D1 with the positive output end of rectifier bridge, an input terminal of rectifier bridge more than tripping coil L2
Connection, and another input terminal of remaining Xiang Zeyu rectifier bridge connects, the negative output terminal of rectifier bridge then series diode D6
It is connected afterwards by tripping coil L3 with N, and the direction of winding of tripping coil L3 and tripping coil L2 are with tripping coil L1's
Direction of winding is opposite.
And one end of four varistors RV1, RV2, RV3, RV4 link together, the other end then respectively with A, B, C, N phase
Connection.
Embodiment is not construed as limitation of the present invention, any based on spiritual improvements introduced of the invention, all Ying Ben
Within the protection scope of invention.
Claims (3)
1. a kind of preposition safety release device of magnetic multi-coil in the same direction, it is characterised in that: it includes the preposition power-supply circuit of coil and coil
The residual current acting control circuit and residual current detection circuit of preposition power-supply circuit connection, the coil is preposition to take electricity electricity
Road includes the tripping coil that several are arranged in parallel, the tripping coil be arranged in rectification circuit and three-phase mains output end it
Between, the preposition power-supply circuit of coil is the preposition three-phase power-supply circuit of magnetic twin coil in the same direction, the magnetic twin coil in the same direction preposition three
Phase power-supply circuit includes two and is arranged in parallel and the identical tripping coil of magnetic direction, the tripping coil respectively with rectification circuit
Input terminal and three-phase mains output end connection, the preposition three-phase power-supply circuit of magnetic twin coil in the same direction includes being connected with one
The tripping coil L1 connect, with another tripping coil L2 being connected, the tripping coil L1 is connect with the anode of diode D1, institute
Tripping coil L2 is stated to connect with the cathode of diode D4, a remaining phase then respectively with the anode of diode D2 and diode D3
Cathode connection, the cathode of diode D2 cathode and diode D1 is connected to positive output end, the anode of diode D3 and two poles
The anode of pipe D4 is connected to negative output terminal.
2. the preposition safety release device of magnetic multi-coil in the same direction according to claim 1, which is characterized in that the tripping coil is adopted
The mode coiling of coiling is isolated in the same direction with Double-wire parallel wound or single line.
3. the preposition safety release device of magnetic multi-coil in the same direction according to claim 1, which is characterized in that varistor RV1, pressure
One end of quick resistance RV2 and varistor RV3 links together, and the respective other end is connected with difference respectively.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910283004.8A CN110246731B (en) | 2018-06-13 | 2018-06-13 | Magnetic equidirectional multi-coil front safety release |
| CN201810604400.1A CN108922836B (en) | 2018-06-13 | 2018-06-13 | The preposition safety release device of magnetic multi-coil in the same direction |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810604400.1A CN108922836B (en) | 2018-06-13 | 2018-06-13 | The preposition safety release device of magnetic multi-coil in the same direction |
Related Child Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910283004.8A Division CN110246731B (en) | 2018-06-13 | 2018-06-13 | Magnetic equidirectional multi-coil front safety release |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108922836A CN108922836A (en) | 2018-11-30 |
| CN108922836B true CN108922836B (en) | 2019-05-28 |
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ID=64410904
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810604400.1A Active CN108922836B (en) | 2018-06-13 | 2018-06-13 | The preposition safety release device of magnetic multi-coil in the same direction |
| CN201910283004.8A Active CN110246731B (en) | 2018-06-13 | 2018-06-13 | Magnetic equidirectional multi-coil front safety release |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910283004.8A Active CN110246731B (en) | 2018-06-13 | 2018-06-13 | Magnetic equidirectional multi-coil front safety release |
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| Country | Link |
|---|---|
| CN (2) | CN108922836B (en) |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3671343D1 (en) * | 1985-07-26 | 1990-06-21 | Bbc Brown Boveri & Cie | VOLTAGE INVERTER. |
| CN204205559U (en) * | 2014-11-24 | 2015-03-11 | 德力西电气有限公司 | A kind of leakage protection circuit |
| CN204794065U (en) * | 2015-06-26 | 2015-11-18 | 华通机电股份有限公司 | Electric leakage circuit breaker thunderbolt surge protection circuit |
| CN205666605U (en) * | 2016-05-27 | 2016-10-26 | 浙江天正电气股份有限公司 | A type three -sphase four -wire system circuit breaker that leaks electricity |
-
2018
- 2018-06-13 CN CN201810604400.1A patent/CN108922836B/en active Active
- 2018-06-13 CN CN201910283004.8A patent/CN110246731B/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN110246731A (en) | 2019-09-17 |
| CN108922836A (en) | 2018-11-30 |
| CN110246731B (en) | 2020-11-03 |
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