CN211830226U - SFK series low-voltage intelligent combination switch - Google Patents
SFK series low-voltage intelligent combination switch Download PDFInfo
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- CN211830226U CN211830226U CN202020571486.5U CN202020571486U CN211830226U CN 211830226 U CN211830226 U CN 211830226U CN 202020571486 U CN202020571486 U CN 202020571486U CN 211830226 U CN211830226 U CN 211830226U
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- 239000000203 mixture Substances 0.000 claims abstract description 7
- 230000001681 protective effect Effects 0.000 claims description 18
- 230000017525 heat dissipation Effects 0.000 claims description 2
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 abstract description 24
- 229910052710 silicon Inorganic materials 0.000 abstract description 24
- 239000010703 silicon Substances 0.000 abstract description 24
- 238000010891 electric arc Methods 0.000 abstract description 5
- 238000004519 manufacturing process Methods 0.000 abstract description 3
- 238000003466 welding Methods 0.000 abstract 1
- 150000001875 compounds Chemical class 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- 239000003990 capacitor Substances 0.000 description 3
- 230000003111 delayed effect Effects 0.000 description 2
- 238000004134 energy conservation Methods 0.000 description 2
- 238000005265 energy consumption Methods 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 208000032368 Device malfunction Diseases 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 230000001960 triggered effect Effects 0.000 description 1
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E40/00—Technologies for an efficient electrical power generation, transmission or distribution
- Y02E40/30—Reactive power compensation
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- Switch Cases, Indication, And Locking (AREA)
Abstract
The utility model discloses a SFK series low pressure intelligence blend switch, comprising a base plate, install the protecting crust through the bolt on the top outer wall of bottom plate, and the internally mounted of protecting crust has the mainboard, one side of bottom plate top outer wall is provided with the three binding post that is the equidistance and distributes, and three binding post all is electric connection with the mainboard, it has the mounting groove to open on one side outer wall of protecting crust, and it has zero line wiring hole and end wiring hole to open respectively on one side inner wall of mounting groove, one side joint of protecting crust top outer wall has the plug-in strip, and the plug-in strip is electric connection with the mainboard, the welding has the operation chip on the top outer wall of mainboard, and the inside of operation chip is provided with analysis module and control module. The utility model discloses silicon controlled rectifier module switch on the mainboard is parallelly connected with magnetic latching relay, can realize that voltage zero passage switches on and the current zero passage cuts off, prevents the production of inrush current and electric arc to have the advantage of contactor switch low power dissipation again during normal switch-on.
Description
Technical Field
The utility model relates to a blend switch technical field especially relates to a SFK series low pressure intelligence blend switch.
Background
The compound switch is a switch device capable of switching on, carrying and switching off current under the condition of a normal conductive loop, and is used for putting and cutting off a capacitor in a reactive power compensation device.
The existing compound switch can generate inrush current when a capacitor is connected into a system, the misoperation of a relay protection device of a transformer is easily caused, electric arcs are easily generated when the capacitor is disconnected, and the compound switch with the zero-crossing switching function has larger power consumption during normal working, so that an SFK series low-voltage intelligent compound switch is urgently needed to be designed to solve the problems.
Disclosure of Invention
The utility model aims at solving the problem that can produce when the condenser inserts the system and rush to flow that exists among the prior art, cause the relay protection device malfunction of transformer easily to produce the shortcoming of electric arc easily during the disconnection, and the SFK series low pressure intelligence blend switch who provides.
In order to achieve the above purpose, the utility model adopts the following technical scheme: the utility model provides a SFK series low pressure intelligence blend switch, includes the bottom plate, install the protecting crust through the bolt on the top outer wall of bottom plate, and the internally mounted of protecting crust has the mainboard, one side of bottom plate top outer wall is provided with the three binding post that is the equidistance and distributes, and three binding post all is electric connection with the mainboard, it has the mounting groove to open on one side outer wall of protecting crust, and opens respectively on one side inner wall of mounting groove and have zero line wiring hole and end wiring hole, one side joint of protecting crust top outer wall has the plug-in strip, and the plug-in strip is electric connection with the mainboard.
The key concept of the technical scheme is as follows: through the mainboard that sets up, silicon controlled rectifier module switch on the mainboard is parallelly connected with magnetic latching relay, can realize voltage zero passage conduction and current zero passage and cut off, prevents the production of inrush current and electric arc to have contactor switch low power dissipation advantage again during normal switch-on.
Furthermore, an operation chip is welded on the outer wall of the top of the main board, and an analysis module and a control module are arranged inside the operation chip.
Furthermore, a silicon controlled module switch and a magnetic latching relay are respectively welded on two sides of the outer wall of the top of the mainboard, and the silicon controlled module switch is connected with the magnetic latching relay in parallel.
Furthermore, the output end of the analysis module and the output end of the control module are electrically connected with the silicon controlled module switch and the magnetic latching relay respectively, and the input end of the analysis module and the input end of the control module are both electrically connected with the mainboard.
Furthermore, the center department of the top outer wall of protecting crust is pegged graft respectively and is had operation pilot lamp and power indicator, and operation pilot lamp and power indicator all are electric connection with the mainboard.
Further, one side that bottom plate top outer wall is close to binding post sets up integrated into one piece and has the boss, and opens on the top outer wall of boss and have the three protective tank that is the equidistance and distributes, and binding post is located the inside of protective tank.
Furthermore, the outer wall of one side of the protective shell is provided with radiating grooves which are distributed in a horizontal structure at equal intervals, and the outer wall of the top of the protective shell is bonded with label paper.
The utility model has the advantages that:
1. through the mainboard that sets up, silicon controlled rectifier module switch on the mainboard is parallelly connected with magnetic latching relay, can realize voltage zero passage conduction and current zero passage and cut off, prevents the production of inrush current and electric arc to have contactor switch low power dissipation advantage again during normal switch-on.
2. The utility model adopts a special operation chip to control the switching and intelligently monitor the operation conditions of the silicon controlled module switch, the magnetic latching relay and the input power supply, thereby having perfect protection function, namely, when the working power supply is cut off, the switch refuses to be closed; and after the power is switched on, if the working power supply is powered off, the power is automatically withdrawn.
3. The utility model discloses owing to switch on in the twinkling of an eye by silicon controlled module switch zero passage trigger, switch on by the actuation of magnetic latching relay after the time delay, so can not produce the harmonic when the actuation of magnetic latching relay switches on.
4. The utility model adopts the magnetic latching relay, the control device only consumes power in the switching action at the moment and does not consume power at ordinary times; and because the contact resistance of the magnetic latching relay is small, the heating is small, so that no additional radiating fin or fan is needed, the cost and the power consumption are reduced, and the purposes of energy conservation and consumption reduction are achieved.
Drawings
Fig. 1 is a schematic structural diagram of an SFK series low-voltage intelligent combination switch provided by the present invention;
fig. 2 is a flow chart of a main board structure of an SFK series low-voltage intelligent combination switch provided by the present invention;
fig. 3 is a schematic diagram of a first wiring structure of an SFK series low-voltage intelligent combination switch provided by the present invention;
fig. 4 is a schematic diagram of a second wiring structure of the SFK series low-voltage intelligent combination switch.
In the figure: 1 bottom plate, 2 protecting crust, 3 binding post, 4 mounting grooves, 5 zero line wiring holes, 6 end wiring holes, 7 plug-in strip, 8 running indicator lamps, 9 radiating grooves, 10 label paper, 11 bosss, 12 protecting grooves, 13 power indicator lamps.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Please refer to fig. 1 to 4 simultaneously, an SFK series low-voltage intelligent combination switch, which comprises a base plate 1, is used for fixedly mounting equipment, a protective shell 2 is mounted on the top outer wall of the base plate 1 through bolts, is used for protecting an internal structure, and the protective shell 2 is internally provided with a main board, one side of the top outer wall of the base plate 1 is provided with three wiring terminals 3 distributed equidistantly, and the three wiring terminals 3 are all electrically connected with the main board, a mounting groove 4 is formed on the outer wall of one side of the protective shell 2, and a zero line wiring hole 5 and a terminal wiring hole 6 are respectively formed on the inner wall of one side of the mounting groove 4, and are used for being connected with a controller, so that a user can visually see the working state of the equipment through the controller, a switch blade 7 is clamped on one side of the top outer wall of the protective shell 2, and is used for.
As can be seen from the above description, the present invention has the following advantages: through the arranged mainboard, a silicon controlled module switch on the mainboard is connected with the magnetic latching relay in parallel, so that voltage zero-crossing conduction and current zero-crossing cutoff can be realized, inrush current and electric arc are prevented, and the contactor switch has the advantage of low power consumption during normal connection; the special operation chip is adopted to control switching, and the operation conditions of the silicon controlled module switch, the magnetic latching relay and the input power supply are intelligently monitored, so that the protection function is complete, namely, when the working power supply is powered off, the switch is refused to be closed; and after the power is switched on, if the working power supply is powered off, the power is automatically withdrawn.
Furthermore, the operation chip is welded on the outer wall of the top of the mainboard, and the analysis module and the control module are arranged inside the operation chip, so that the operation conditions of the silicon controlled module switch, the magnetic latching relay and the input power supply can be intelligently monitored, and the perfect protection function can be realized.
Furthermore, a silicon controlled module switch and a magnetic latching relay are respectively welded on two sides of the outer wall of the top of the mainboard, and the silicon controlled module switch is connected with the magnetic latching relay in parallel, so that voltage zero-crossing conduction and current zero-crossing cutoff can be realized.
Furthermore, the output end of the analysis module and the output end of the control module are electrically connected with the silicon controlled module switch and the magnetic latching relay respectively, and the input end of the analysis module and the input end of the control module are both electrically connected with the mainboard.
Further, the center department of the top outer wall of protecting crust 2 pegs graft respectively and has operation pilot lamp 8 and power indicator 13, and operation pilot lamp 8 and power indicator 13 all are electric connection with the mainboard for the running state of marking equipment.
Further, one side that 1 top outer wall of bottom plate is close to binding post 3 sets up integrated into one piece and has boss 11, and opens on the top outer wall of boss 11 and have three protective housing 12 that are the equidistance and distribute, and binding post 3 is located protective housing 12's inside, prevents that the line connection point from rolling over and damaging, causes the accident.
Furthermore, the outer wall of one side of the protective shell 2 is provided with radiating grooves 9 which are distributed in a horizontal structure at equal intervals and used for radiating heat inside the equipment, and the outer wall of the top of the protective shell 2 is bonded with label paper 10 and used for marking wiring modes, cautions and the like.
By adopting the silicon controlled module switch, the silicon controlled module switch is triggered by zero crossing at the moment of conduction, and is attracted and conducted by the magnetic latching relay after time delay, so that harmonic waves can not be generated when the magnetic latching relay is attracted and conducted; the magnetic latching relay is adopted, and the control device only consumes power at the moment of switching action and does not consume power at ordinary times; and because the contact resistance of the magnetic latching relay is small, the heating is small, so that no additional radiating fin or fan is needed, the cost and the power consumption are reduced, and the purposes of energy conservation and consumption reduction are achieved.
In the following, some preferred embodiments or application examples are listed to help those skilled in the art to better understand the technical content of the present invention and the technical contribution of the present invention to the prior art:
example 1
The utility model provides a SFK series low pressure intelligence blend switch, comprising a base plate 1, be used for fixed mounting equipment, install protecting crust 2 through the bolt on bottom plate 1's the top outer wall, be used for protecting the inner structure, and the internally mounted of protecting crust 2 has the mainboard, one side of bottom plate 1 top outer wall is provided with three binding post 3 that is the equidistance and distributes, and three binding post 3 all is electric connection with the mainboard, it has mounting groove 4 to open on one side outer wall of protecting crust 2, and it has zero line wiring hole 5 and end wiring hole 6 to open respectively on one side inner wall of mounting groove 4, be used for being connected with the controller, make the user can see the operating condition of equipment directly perceivedly through the controller, one side joint of protecting crust 2 top outer wall has plug-in switch 7, be used for opening and close of power, and plug-.
The intelligent protection system comprises a mainboard, a magnetic latching relay and an input power supply, wherein an operation chip is welded on the outer wall of the top of the mainboard, and an analysis module and a control module are arranged inside the operation chip and used for intelligently monitoring the operation conditions of a silicon controlled module switch, the magnetic latching relay and the input power supply, so that the intelligent protection system has a perfect protection function; the silicon controlled module switch and the magnetic latching relay are respectively welded on two sides of the outer wall of the top of the mainboard, and the silicon controlled module switch is connected with the magnetic latching relay in parallel, so that voltage zero-crossing conduction and current zero-crossing cutoff can be realized; the output end of the analysis module and the output end of the control module are respectively and electrically connected with the silicon controlled module switch and the magnetic latching relay, and the input end of the analysis module and the input end of the control module are both electrically connected with the mainboard; an operation indicator light 8 and a power indicator light 13 are respectively inserted in the center of the outer wall of the top of the protective shell 2, and the operation indicator light 8 and the power indicator light 13 are both electrically connected with the main board and used for marking the operation state of the equipment; the side, close to the wiring terminal 3, of the outer wall of the top of the bottom plate 1 is provided with a boss 11 which is integrally formed, three protection grooves 12 which are distributed equidistantly are formed in the outer wall of the top of the boss 11, and the wiring terminal 3 is located inside the protection grooves 12, so that the circuit connection points are prevented from being broken and damaged, and accidents are prevented; the outer wall of one side of protective housing 2 is opened and is had the radiating groove 9 that the equidistance is horizontal structure and distributes for give the inside heat dissipation of equipment, and bonds on the top outer wall of protective housing 2 has label paper 10 for mark mode of connection, notice etc..
The working principle is as follows: when the device is used, an operator firstly accesses a lead into a corresponding position according to a wiring diagram, then the zero line end wiring hole 5 and the end wiring hole 6 are respectively connected with the controller through the data wire, then the switch 7 can be closed, the power indicator 13 flickers after power-on, the running chip carries out internal reset and fault detection, at the moment, the device is in a protection state, the switching-in action is not executed, and the power indicator 13 flickers to stop and normally lights after all the devices are normal, the action is executed, and the running indicator 8 lights to indicate that the switching-in signal is received and the switching-in action is executed; if the inside has a fault, the power indicator 13 will flash continuously; when the device is put into use, the silicon controlled rectifier firstly triggers at zero passage at the moment of zero passage of voltage, the magnetic latching relay is attracted and conducted after the silicon controlled rectifier is stabilized, and then the silicon controlled rectifier is disconnected at delayed zero passage; when the cutting-off is carried out, the magnetic latching relay is firstly switched off, and the silicon controlled rectifier is switched off in a delayed zero-crossing mode, so that the current zero-crossing cutting-off is realized.
The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.
Claims (7)
1. The utility model provides a SFK series low pressure intelligence blend switch, includes bottom plate (1), its characterized in that, install protecting crust (2) through the bolt on the top outer wall of bottom plate (1), and the internally mounted of protecting crust (2) has the mainboard, one side of bottom plate (1) top outer wall is provided with three binding post (3) that are the equidistance and distribute, and three binding post (3) all are electric connection with the mainboard, it has mounting groove (4) to open on one side outer wall of protecting crust (2), and opens respectively on one side inner wall of mounting groove (4) and have zero line wiring hole (5) and end wiring hole (6), one side joint of protecting crust (2) top outer wall has plug-in switch (7), and plug-in switch (7) are electric connection with the mainboard.
2. An SFK series low-voltage intelligent combination switch as claimed in claim 1, characterized in that the top outer wall of the mainboard is welded with an operation chip, and the operation chip is internally provided with an analysis module and a control module.
3. An SFK series low-voltage intelligent combination switch as claimed in claim 1, characterized in that the thyristor module switch and the magnetic latching relay are respectively welded on two sides of the top outer wall of the mainboard, and the thyristor module switch and the magnetic latching relay are connected in parallel.
4. An SFK series low voltage intelligent combination switch as claimed in claim 2, wherein the output terminal of the analysis module and the output terminal of the control module are electrically connected with the thyristor module switch and the magnetic latching relay respectively, and the input terminal of the analysis module and the input terminal of the control module are electrically connected with the main board.
5. An SFK series low-voltage intelligent combination switch according to claim 1, characterized in that an operation indicator lamp (8) and a power indicator lamp (13) are respectively inserted in the center of the top outer wall of the protective shell (2), and the operation indicator lamp (8) and the power indicator lamp (13) are both electrically connected with the main board.
6. An SFK series low-voltage intelligent combination switch as claimed in claim 1, characterized in that the side of the outer wall of the top of the base plate (1) close to the terminal block (3) is provided with a boss (11) which is integrally formed, and the outer wall of the top of the boss (11) is provided with three protection slots (12) which are equidistantly distributed, and the terminal block (3) is positioned inside the protection slots (12).
7. An SFK series low-voltage intelligent combination switch according to claim 1, characterized in that the outer wall of one side of the protective shell (2) is provided with heat dissipation grooves (9) which are distributed in a horizontal structure at equal intervals, and the outer wall of the top of the protective shell (2) is adhered with label paper (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020571486.5U CN211830226U (en) | 2020-04-17 | 2020-04-17 | SFK series low-voltage intelligent combination switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020571486.5U CN211830226U (en) | 2020-04-17 | 2020-04-17 | SFK series low-voltage intelligent combination switch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211830226U true CN211830226U (en) | 2020-10-30 |
Family
ID=73142973
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020571486.5U Active CN211830226U (en) | 2020-04-17 | 2020-04-17 | SFK series low-voltage intelligent combination switch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211830226U (en) |
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2020
- 2020-04-17 CN CN202020571486.5U patent/CN211830226U/en active Active
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