CN106783396A - Isolated arc-control device and Switch without electric arc - Google Patents
Isolated arc-control device and Switch without electric arc Download PDFInfo
- Publication number
- CN106783396A CN106783396A CN201710143390.1A CN201710143390A CN106783396A CN 106783396 A CN106783396 A CN 106783396A CN 201710143390 A CN201710143390 A CN 201710143390A CN 106783396 A CN106783396 A CN 106783396A
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- Prior art keywords
- switch
- semiconductor
- control
- pin
- semiconductor switch
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- 238000010891 electric arc Methods 0.000 title claims abstract description 23
- 239000004065 semiconductor Substances 0.000 claims abstract description 179
- 230000005611 electricity Effects 0.000 claims abstract description 4
- 239000000853 adhesive Substances 0.000 claims description 7
- 230000001070 adhesive effect Effects 0.000 claims description 7
- 238000000034 method Methods 0.000 claims description 5
- 239000004020 conductor Substances 0.000 claims description 3
- 239000000463 material Substances 0.000 claims 1
- 238000009413 insulation Methods 0.000 abstract description 3
- 238000002955 isolation Methods 0.000 abstract description 3
- 230000000694 effects Effects 0.000 description 3
- 238000004134 energy conservation Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 239000011810 insulating material Substances 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H47/00—Circuit arrangements not adapted to a particular application of the relay and designed to obtain desired operating characteristics or to provide energising current
- H01H47/02—Circuit arrangements not adapted to a particular application of the relay and designed to obtain desired operating characteristics or to provide energising current for modifying the operation of the relay
Landscapes
- Driving Mechanisms And Operating Circuits Of Arc-Extinguishing High-Tension Switches (AREA)
- Keying Circuit Devices (AREA)
Abstract
The isolated arc-control device of the present invention and Switch without electric arc belong to electricity field, it is particularly a kind of to be suitably applied in electromagnetic switch as the isolated arc-control device of arc extinguishing purposes, it includes the first electromagnetic switch, power semiconductor, the first semiconductor switch, the second semiconductor switch, the first semiconductor devices, a control unit, the mechanical switch disjunction of required arc extinguishing is without electric arc, after the mechanical switch of required arc extinguishing disconnects, power semiconductor is in and cut-offs isolation, has the advantages that insulation resistance can good, operating power consumption be low, easy to use, reliability is high.
Description
Technical field
The isolated arc-control device of the present invention and Switch without electric arc belong to electricity field, particularly one kind and are suitably applied contact
As arc extinguishing purposes and the isolated arc-control device of convenient use in device, relay and other electromagnetic switch.
Background technology
At present in electric control system, widely use the electromagnetic switch such as contactor, relay and load connect and divide
Disconnected control, because mechanical switch can produce electric arc in breaking current, have that mechanical contact electric life is short, and poor reliability lacks
Point.
The content of the invention
There is provided a kind of isolated it is an object of the invention to be directed to the weak point of the electromagnetic switch such as contactor, relay
Arc-control device and Switch without electric arc, its mechanical switch disjunction is without electric arc, after the mechanical switch of required arc extinguishing disconnects, power semiconductor device
Part is in and cut-offs isolation, has the advantages that insulation resistance can good, operating power consumption be low, reliability is high.
The purpose of the present invention is realized by the following technical programs to reach：
A kind of isolated arc-control device, it includes the first electromagnetic switch, power semiconductor, the first semiconductor switch, second
Semiconductor switch, the first semiconductor devices, a control unit, mechanical contact and the power of first electromagnetic switch are partly led
Body devices in series forms the first series circuit, and first series circuit is used for the machinery with the second electromagnetic switch of required arc extinguishing
Contact shunt, the first control coil of first electromagnetic switch and first semiconductor switch are in series the second series electrical
Road, second semiconductor switch and the second control coil of second electromagnetic switch are in series the 3rd series circuit, institute
State that the second series circuit is in parallel with the 3rd series circuit, the first semiconductor switch end of second series circuit with
The second control coil end connection of the 3rd series circuit, first control coil and first semiconductor switch
The common end of connection, the common end that be connected with second semiconductor switch of second control coil pass through described the first half and lead
Body device is connected, the control of described control unit and the control end, first semiconductor switch of the power semiconductor
End processed, the control end connection of the second semiconductor switch.
A kind of isolated arc-control device, first semiconductor devices is a diode.
A kind of isolated arc-control device, first semiconductor switch, second semiconductor switch be a triode or
One FET.
A kind of isolated arc-control device, first semiconductor switch, second semiconductor switch, described the first half lead
Body device is IGCT, and the control end of the IGCT is connected with described control unit.
A kind of isolated arc-control device, also including the first pressure limiting semiconductor devices, the second pressure limiting semiconductor devices, described
One pressure limiting semiconductor devices is in parallel with first control coil or in parallel with first semiconductor switch, second pressure limiting
Semiconductor devices is in parallel with second control coil or in parallel with second semiconductor switch.
A kind of isolated arc-control device, first electromagnetic switch, second electromagnetic switch are described under attracting state
The cut-off of first semiconductor switch, second semiconductor switch cut-off, first semiconductor devices conducting, first control
Coil, first semiconductor devices, second control coil form series loop.
A kind of isolated arc-control device, in attracting process, described control unit controls first semiconductor switch to lead
Logical, then the first electromagnetic switch elder generation adhesive controls second semiconductor switch conducts, then controls described the first half to lead
The cut-off of body switch and second semiconductor switch cut-off；In breaking course, described control unit control described the first half is led
Body switch conduction, controls second electromagnetic switch first to disconnect.
A kind of isolated arc-control device, also draws including the first pin, second pin, the 3rd pin, the 4th pin, the 5th
Pin, described control unit, first electromagnetic switch, the power semiconductor, first semiconductor switch, described
In an insulating materials, described control unit is led with described the first half for two semiconductor switch, first semiconductor packages
The control end of body switch, the control end of second semiconductor switch, the connection of the control end of the power semiconductor, it is described
The inside end of the first pin, the inside end of the second pin are connected with the first series circuit two ends, the 3rd pin, the 4th
Pin is power end, the inside end of the 3rd pin, the inside end of the 4th pin and described control unit, second series circuit
Connection, the inside end of the 5th pin is connected with second semiconductor switch；The outer end of the first pin, second pin
Outer end is used to be connected with the mechanical contact of the second electromagnetic switch, and the outer end of the 3rd pin, the outer end of the 4th pin are used for
Connection control power supply, the outer end of the 5th pin is used to be connected with the control coil of the second electromagnetic switch.
A kind of Switch without electric arc, it includes above-described isolated arc-control device, second electromagnetic switch.
Operation principle：In attracting process, control unit controls the first semiconductor switch conducts, the first electromagnetic switch first to inhale
Close, then control the second semiconductor switch conducts, control power semiconductor to turn on（When needs do closure arc extinguishing）, the second electricity
Magnetic switch adhesive again, reaches the purpose that arc extinguishing is closed to the second electromagnetic switch, then controls the first semiconductor switch to end again, the
Two semiconductor switch end, the first electromagnetic switch, the second electromagnetic switch under attracting state, the cut-off of the first semiconductor switch, the
The cut-off of two semiconductor switch, the conducting of the first semiconductor devices, the control coil of the first electromagnetic switch, the first semiconductor devices, the
The control coil of two electromagnetic switch forms series loop, reaches the effect of energy-conservation；In breaking course, control unit control first
Semiconductor switch conducts, the second electromagnetic switch of control first disconnects, and then the first electromagnetic switch disconnects, and reaches the mesh without electric arc disjunction
's.
The isolated arc-control device of the present invention and Switch without electric arc are reasonable in design, do not increase the drive of original second electromagnetic switch not only
It is dynamic to keep power consumption, the second electromagnetic switch can be saved on the contrary and keeps power consumption, with easy to use, small volume, operating power consumption be low, temperature
Rise low advantage.
Brief description of the drawings
Fig. 1 is one of the embodiment of isolated arc-control device of the invention and Switch without electric arc circuit theory diagrams.
Fig. 2 is two circuit theory diagrams of the embodiment of isolated arc-control device of the invention and Switch without electric arc.
Specific embodiment
One of the isolated arc-control device of the present invention and Switch without electric arc embodiment, as shown in Figure 1：
A kind of isolated arc-control device, it includes the first electromagnetic switch K1, power semiconductor TR1（IGCT）, the first half
Conductor switchs Q1（Triode, it would however also be possible to employ FET）, the second semiconductor switch Q2（Triode, it would however also be possible to employ imitate field
Ying Guan）, the first semiconductor devices D1（Diode）, control unit（A）, the first pressure limiting semiconductor devices Z1（Voltage-regulator diode）、
Second pressure limiting semiconductor devices Z2（Voltage-regulator diode）, the first pressure limiting semiconductor devices Z1 is in parallel with the first semiconductor switch Q1,
Second pressure limiting semiconductor devices Z2 is in parallel with the second semiconductor switch Q2, and the mechanical contact of the first electromagnetic switch K1 is partly led with power
Body device TR1 is in series the first series circuit, and the first series circuit is used for the machine with the second electromagnetic switch K2 of required arc extinguishing
Tool contact shunt, the control coil of the first electromagnetic switch K1 and the first semiconductor switch Q1 are in series the second series circuit,
The control coil of two semiconductor switch Q2 and the second electromagnetic switch K2 is in series the 3rd series circuit, the second series circuit and
The parallel connection of three series circuits, the first semiconductor switch Q1 ends of the second series circuit and the second electromagnetic switch K2 of the 3rd series circuit
Control coil end connection, common end, second that the control coil of the first electromagnetic switch K1 is connected with the first semiconductor switch Q1
The common end that the control coil of electromagnetic switch K2 is connected with the second semiconductor switch Q2 is connected by the first semiconductor devices D1,
Control unit（A）Control end, the control end of the first semiconductor switch Q1 with power semiconductor TR1, the second semiconductor are opened
Close the control end connection of Q2.
First pressure limiting semiconductor devices Z1, the second pressure limiting semiconductor devices Z2 are used to absorb control coil overvoltage, respectively
Prevent from damaging the first semiconductor switch Q1, the second semiconductor switch Q2, as the first semiconductor switch Q1, the second semiconductor switch Q2
During band pressure limiting, it is convenient to omit.First pressure limiting semiconductor devices Z1, the second pressure limiting semiconductor devices Z2 can also be electric with first respectively
The control coil parallel connection of the control coil of magnetic switch K1, the second electromagnetic switch K2, the first pressure limiting semiconductor devices Z1, the second pressure limiting
Semiconductor devices Z2 can use diode, and operation principle is identical.
Operation principle：In attracting process, control unit（A）The first semiconductor switch Q1 conductings, the first electromagnetism is controlled to open
The adhesive of K1 elder generations is closed, then controlled the second semiconductor switch Q2 to turn on, controlled power semiconductor TR1 to turn on, the second electromagnetism is opened
K2 adhesives again are closed, the purpose that arc extinguishing is closed to the second electromagnetic switch K2 is reached, then control the first semiconductor switch Q1 to end again,
Second semiconductor switch Q2 end, the first electromagnetic switch K1, the second electromagnetic switch K2 under attracting state, the first semiconductor switch
Q1 cut-offs, the second semiconductor switch Q2 cut-offs, the first semiconductor devices D1 conductings, the control coil of the first electromagnetic switch K1, the
Semiconductor device D1, the control coil of the second electromagnetic switch K2 form series loop, reach the effect of energy-conservation；In breaking course
In, control unit（A）The first semiconductor switch Q1 is controlled to turn on, the second electromagnetic switch K2 of control first disconnects, then the first electromagnetism
Switch K1 disconnects, and reaches the purpose without electric arc disjunction.
A kind of Switch without electric arc, it includes that above-described isolated arc-control device also includes the second electromagnetic switch K2.
The isolated arc-control device of the present embodiment and Switch without electric arc, with reliability it is high, that operating power consumption is low, temperature rise is low is excellent
Point.
The two of the isolated arc-control device of the present invention and Switch without electric arc embodiment, as shown in Figure 2：
A kind of isolated arc-control device, it includes the first electromagnetic switch K1, power semiconductor TR1（IGCT）, the first half
Conductor switchs Q1（Triode, it would however also be possible to employ FET）, the second semiconductor switch Q2（Triode, it would however also be possible to employ imitate field
Ying Guan）, the first semiconductor devices D1（Diode）, control unit（A）, the first pressure limiting semiconductor devices Z1（Voltage-regulator diode）、
Second pressure limiting semiconductor devices Z2（Voltage-regulator diode）, the first pin P1, second pin P2, the 3rd pin P3, the 4th pin P4,
5th pin P5, the first pressure limiting semiconductor devices Z1 is in parallel with the first semiconductor switch Q1, the second pressure limiting semiconductor devices Z2 with
Second semiconductor switch Q2 is in parallel, and mechanical contact and the power semiconductor TR1 of the first electromagnetic switch K1 are in series first
Series circuit, the first series circuit passes through the machine of the first pin P1, second pin P2 and the second electromagnetic switch K2 of required arc extinguishing
Tool contact shunt, the control coil of the first electromagnetic switch K1 and the first semiconductor switch Q1 are in series the second series circuit,
Two semiconductor switch Q2 are in series the 3rd series circuit, by the control coil of the 5th pin P5 and the second electromagnetic switch K2
Two series circuits are in parallel with the 3rd series circuit, the first semiconductor switch Q1 ends and the 3rd series circuit of the second series circuit
The control coil end connection of the second electromagnetic switch K2, the control coil of the first electromagnetic switch K1 is connected with the first semiconductor switch Q1
Common end, the common end that is connected with the second semiconductor switch Q2 of the control coil of the second electromagnetic switch K2 pass through the first semiconductor
Device D1 is connected, control unit（A）Control end, the control end of the first semiconductor switch Q1 with power semiconductor TR1,
The control end connection of the second semiconductor switch Q2.Control unit（A）, the first electromagnetic switch K1, power semiconductor TR1,
Semiconductor switch Q1, the second semiconductor switch Q2, the first semiconductor devices D1 are encapsulated in an insulating materials, the first pin P1
Inside end, the inside end of second pin P2 be connected with the first series circuit two ends, the 3rd pin P3, the 4th pin P4 be power supply
End, the inside end of the 3rd pin P3, the inside end and control unit of the 4th pin P4（A）, the second series circuit connection, the 5th draws
The inside end of pin P5 is connected with the second semiconductor switch Q2；The outer end of the first pin P1, the outer end of second pin P2 are used for
Mechanical contact with the second electromagnetic switch K2 is connected, and the outer end of the 3rd pin P3, the outer end of the 4th pin P4 are used to connect
Control power supply, the outer end of the 5th pin P5 is used to connect the control coil of the second electromagnetic switch K2.
First pressure limiting semiconductor devices Z1, the second pressure limiting semiconductor devices Z2 are used to absorb control coil overvoltage, respectively
Prevent from damaging the first semiconductor switch Q1, the second semiconductor switch Q2, as the first semiconductor switch Q1, the second semiconductor switch Q2
During band pressure limiting, it is convenient to omit.First pressure limiting semiconductor devices Z1, the second pressure limiting semiconductor devices Z2 can also be electric with first respectively
The control coil parallel connection of the control coil of magnetic switch K1, the second electromagnetic switch K2, the first pressure limiting semiconductor devices Z1, the second pressure limiting
Semiconductor devices Z2 can use diode, and operation principle is identical.
Operation principle：In attracting process, the outer end of the 3rd pin P3, the 4th pin P4 input control power supplys, control
Unit（A）The first semiconductor switch Q1 conductings, the adhesive of the first electromagnetic switch K1 elder generations are controlled, the second semiconductor switch Q2 is then controlled
Conducting, the TR1 conductings of control power semiconductor, the second electromagnetic switch K2 adhesives again reach and the second electromagnetic switch K2 are closed
The purpose of arc extinguishing, then controls the first semiconductor switch Q1 cut-offs, the second semiconductor switch Q2 to end, the first electromagnetic switch again
K1, the second electromagnetic switch K2 under attracting state, the first semiconductor switch Q1 cut-off, the second semiconductor switch Q2 cut-off, first
Semiconductor devices D1 is turned on, the control coil of the first electromagnetic switch K1, the first semiconductor devices D1, the control of the second electromagnetic switch K2
Coil processed forms series loop, reaches the effect of energy-conservation；In breaking course, control unit（A）Control the first semiconductor switch
Q1 is turned on, and the second electromagnetic switch K2 of control first disconnects, and then the first electromagnetic switch K1 disconnects, and reaches the purpose without electric arc disjunction.
A kind of Switch without electric arc, it includes that above-described isolated arc-control device also includes the second electromagnetic switch K2.
The isolated arc-control device of the present embodiment and Switch without electric arc, with reliability it is high, that operating power consumption is low, temperature rise is low is excellent
Point.
Above example, when the first electromagnetic switch K1, the second electromagnetic switch K2 drive for AC-AC, the first semiconductor
Switch Q1, the second semiconductor switch Q2, the first semiconductor devices D1 can use IGCT, and the control end of IGCT is single with control
Unit（A）Connection.
The present embodiment, has the advantages that easy to use, operating power consumption is low, temperature rise is low, reliability is high.
In sum, using the achievable mechanical switch disjunction of the present invention without electric arc, after mechanical switch disconnects, power semiconductor
Device is in and cut-offs isolation, has the advantages that insulation resistance can good, operating power consumption be low, temperature rise is low, reliability is high.
Claims (9)
1. a kind of isolated arc-control device, it includes the first electromagnetic switch, power semiconductor, the first semiconductor switch,
Two semiconductor switch, the first semiconductor devices, a control unit, mechanical contact and the power half of first electromagnetic switch
Conductor device is in series the first series circuit, and first series circuit is used for the machine with the second electromagnetic switch of required arc extinguishing
Tool contact shunt, the control coil of first electromagnetic switch and first semiconductor switch are in series the second series electrical
Road, second semiconductor switch and the control coil of second electromagnetic switch are in series the 3rd series circuit, described
Two series circuits are in parallel with the 3rd series circuit, the first semiconductor switch end of second series circuit with it is described
The control coil end connection of second electromagnetic switch of the 3rd series circuit, the control coil of first electromagnetic switch and institute
The common end of the first semiconductor switch connection, the control coil of second electromagnetic switch is stated to connect with second semiconductor switch
The common end for connecing is connected by first semiconductor devices, the control of described control unit and the power semiconductor
End, the control end of first semiconductor switch, the connection of the control end of second semiconductor switch.
2. isolated arc-control device according to claim 1, it is characterized in that：First semiconductor devices is one or two poles
Pipe.
3. isolated arc-control device according to claim 2, it is characterized in that：First semiconductor switch, described second
Semiconductor switch is a triode or a FET.
4. isolated arc-control device according to claim 1, it is characterized in that：Also include the first pressure limiting semiconductor devices, the
Two pressure limiting semiconductor devices, the first pressure limiting semiconductor devices it is in parallel with the control coil of first electromagnetic switch or with institute
State the first semiconductor switch in parallel, the second pressure limiting semiconductor devices it is in parallel with the control coil of second electromagnetic switch or
It is in parallel with second semiconductor switch.
5. isolated arc-control device according to claim 1, it is characterized in that：First semiconductor switch, described second
Semiconductor switch, first semiconductor devices are IGCT, and the control end of the IGCT is connected with described control unit.
6. isolated arc-control device according to claim 1, it is characterized in that：First electromagnetic switch, second electricity
Under attracting state, first semiconductor switch cut-off, second semiconductor switch cut-off, described the first half lead magnetic switch
Body break-over of device, the control coil of first electromagnetic switch, first semiconductor devices, the control of second electromagnetic switch
Coil processed forms series loop.
7. isolated arc-control device according to claim 6, it is characterized in that：In attracting process, described control unit control
First semiconductor switch conducts are made, then the first electromagnetic switch elder generation adhesive controls second semiconductor switch to lead
It is logical, then control first semiconductor switch to end and second semiconductor switch cut-off；In breaking course, the control
Unit processed controls first semiconductor switch conducts, controls second electromagnetic switch first to disconnect.
8. the isolated arc-control device according to claim 1 to 7 any claim, it is characterized in that：Also draw including first
Pin, second pin, the 3rd pin, the 4th pin, the 5th pin, described control unit, first electromagnetic switch, the power
Semiconductor devices, first semiconductor switch, second semiconductor switch, first semiconductor packages are exhausted one
In edge material, the control end of described control unit and first semiconductor switch, the control end of second semiconductor switch,
The control end connection of the power semiconductor, the inside end of first pin, the inside end of the second pin and institute
State the connection of the first series circuit two ends, the 3rd pin, the 4th pin are power end, the inside end of the 3rd pin, the 4th pin
Inside end is connected with described control unit, second series circuit, and the inside end of the 5th pin is led with described the second half
Body switch connection；The outer end of the first pin, the outer end of second pin are used to be connected with the mechanical contact of the second electromagnetic switch,
The outer end of the 3rd pin, the outer end of the 4th pin are used to connect control power supply, and the outer end of the 5th pin is used for and second
The control coil connection of electromagnetic switch.
9. a kind of Switch without electric arc, it is characterized in that：It includes the isolated interrupter cartridge described in claim 1 to 7 any claim
Put, second electromagnetic switch.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610169143 | 2016-03-14 | ||
| CN2016101691434 | 2016-03-14 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106783396A true CN106783396A (en) | 2017-05-31 |
| CN106783396B CN106783396B (en) | 2019-12-24 |
Family
ID=58962110
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710143390.1A Active CN106783396B (en) | 2016-03-14 | 2017-03-11 | Isolated arc extinguishing device and arc-free switch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106783396B (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2498807A1 (en) * | 1981-01-23 | 1982-07-30 | Socapex | Low power consumption monostable relay - has ON=OFF switch coupled to bistable relay by capacitor connected transistor pulse generator |
| CN1397971A (en) * | 2002-06-06 | 2003-02-19 | 孙守信 | Micrpower non-arc switch and control circuit |
| CN201845710U (en) * | 2010-05-29 | 2011-05-25 | 刘爱民 | Arc extinguishing circuit of AC relay |
| CN102946106A (en) * | 2012-11-27 | 2013-02-27 | 常州市宏大电气有限公司 | Silicon controlled rectifier combination switch |
| CN203150430U (en) * | 2013-01-25 | 2013-08-21 | 刘爱民 | DC contactor arc extinguishing circuit |
-
2017
- 2017-03-11 CN CN201710143390.1A patent/CN106783396B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2498807A1 (en) * | 1981-01-23 | 1982-07-30 | Socapex | Low power consumption monostable relay - has ON=OFF switch coupled to bistable relay by capacitor connected transistor pulse generator |
| CN1397971A (en) * | 2002-06-06 | 2003-02-19 | 孙守信 | Micrpower non-arc switch and control circuit |
| CN201845710U (en) * | 2010-05-29 | 2011-05-25 | 刘爱民 | Arc extinguishing circuit of AC relay |
| CN102946106A (en) * | 2012-11-27 | 2013-02-27 | 常州市宏大电气有限公司 | Silicon controlled rectifier combination switch |
| CN203150430U (en) * | 2013-01-25 | 2013-08-21 | 刘爱民 | DC contactor arc extinguishing circuit |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106783396B (en) | 2019-12-24 |
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