CN203706925U - Improved two-stage double-power-supply automatic changeover switch - Google Patents
Improved two-stage double-power-supply automatic changeover switch Download PDFInfo
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- CN203706925U CN203706925U CN201320783504.6U CN201320783504U CN203706925U CN 203706925 U CN203706925 U CN 203706925U CN 201320783504 U CN201320783504 U CN 201320783504U CN 203706925 U CN203706925 U CN 203706925U
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- power supply
- contact group
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- automatic transfer
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- 238000006243 chemical reaction Methods 0.000 claims abstract description 24
- 230000003068 static effect Effects 0.000 claims abstract description 12
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 28
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims description 12
- 230000033001 locomotion Effects 0.000 claims description 9
- 230000005540 biological transmission Effects 0.000 claims description 8
- 238000009434 installation Methods 0.000 abstract 1
- 238000005516 engineering process Methods 0.000 description 3
- 238000003756 stirring Methods 0.000 description 3
- 239000000853 adhesive Substances 0.000 description 2
- 230000001070 adhesive effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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- Rotary Switch, Piano Key Switch, And Lever Switch (AREA)
Abstract
An improved two-stage double-power-supply automatic changeover switch comprises a frequently-used power supply wiring unit, a stand-by power supply wiring unit, a converting unit and a base unit; the converting unit comprises a movable contact group, an electromagnetic conversion mechanism which is used to electrically drive the movable contact group to move to a first static contact group or a second static contact group, and a manual operating mechanism which is used to manually drive the movable contact group to move to the first static contact group or the second static contact group; and the base unit is used to bear the frequently-used power supply wiring unit, the stand-by power supply wiring unit, the electromagnetic conversion mechanism and the manual operating mechanism. According to the improved two-stage double-power-supply automatic changeover switch disclosed in the utility model, the reliable electromagnetic conversion mechanism and the simple manual operating mechanism are adopted, a problem of large volume and a problem of tedious secondary wiring of a control circuit which are resulted from adoption of a PC-stage double-power-supply changeover switch before are solved, an installation space is greatly saved, the cost price is effectively reduced, and the improved two-stage double-power-supply automatic changeover switch has high practical value.
Description
Technical field
The utility model relates to a kind of dual-power transfer switch, is specifically related to a kind of improvement two-period form double power supply automatic transfer switch that is applicable to little shell frame electric current.
Background technology
Existing PC level dual-power transfer switch, in the time being applicable to little shell frame electric current, due to bulky, can take larger installing space, also can cause function waste.In the time of manual operation, often need to carry out manual operation by means of instrument simultaneously, can not switch fast; Often need secondary connection just can complete for controlling power supply wiring part.Therefore, a kind of improvement two-period form double power supply automatic transfer switch that is applicable to little shell frame electric current arises at the historic moment.
Utility model content
For solving the problems of the technologies described above, the purpose of this utility model is to provide a kind of have reliable electromagnetism manual-operating mechanism and the easy manually improvement two-period form double power supply automatic transfer switch of manual-operating mechanism.
For achieving the above object, the technical solution of the utility model is as follows: a kind of improvement two-period form double power supply automatic transfer switch, comprising:
Conventional power supply wiring unit, comprises conventional supply terminals subgroup and the first fixed contact group that is connected in described conventional supply terminals subgroup;
Stand-by power supply wiring units, comprises stand-by power supply terminals subgroup and the second fixed contact group that is connected in described stand-by power supply terminals subgroup;
Converting unit, comprise moving contact group, for moving contact group described in motorized motions to the electromagnetic conversion mechanism of described the first fixed contact group or the second fixed contact group motion and for moving contact group described in manual actuation the manual-operating mechanism to described the first fixed contact group or the motion of the second fixed contact group;
Base unit, for carrying described conventional supply terminals subgroup, the first fixed contact group, stand-by power supply terminals subgroup, the second fixed contact group, moving contact group, electromagnetic conversion mechanism and manual-operating mechanism.
Preferably, described electromagnetic conversion mechanism comprises:
Central rotating shaft, the described moving contact group that is in transmission connection and being provided with and the driving lever of described manual-operating mechanism interlock;
Contiguous block, is provided with the first groove, and described driving lever is arranged in described the first groove and with the movement of described contiguous block and swings in described the first groove;
The first electromagnetic coil, corresponding described conventional supply terminals subgroup setting and there is the first static iron core being fixedly installed and the first moving iron core arranging that slides, the described first moving iron core clamping connects a side of described contiguous block;
The second electromagnetic coil, the second static iron core that corresponding described stand-by power supply terminals subgroup setting and having is fixedly installed and the second moving iron core arranging that slides, the described second moving iron core clamping connects the opposite side of described contiguous block.
Preferably, described electromagnetic conversion mechanism also comprises the first sensitive switch being electrically connected with described the first solenoid and the second sensitive switch being electrically connected with described the second solenoid, described the first sensitive switch and the second sensitive switch are symmetricly set in the both sides of described central rotating shaft, described the first sensitive switch is provided with the first moving contact, described the second sensitive switch is provided with the second moving contact, described the first moving contact is connected with described central rotating shaft contact respectively with the second moving contact, while putting in place, cut off the control power supply of described the first solenoid or the second solenoid for automatically switching.
Preferably, on described central rotating shaft, be also provided with elasticity link gear, described elasticity link gear comprises the connecting rod that one end is connected with described central rotating shaft, the other end is connected with described pedestal and is sheathed on the elastic component on described connecting rod, and described elasticity link gear is symmetricly set in the both sides of described central rotating shaft.
Preferably, described electromagnetic conversion mechanism also comprises the first circuit control section, for controlling the conventional power supply of described improvement two-period form double power supply automatic transfer switch or the automatic switchover of stand-by power supply, described first control circuit part comprises control power supply wiring socket, the first wiring board and the electromagnetic relay of electrical connection successively, and described electromagnetic relay is electrically connected respectively described the first sensitive switch and the second sensitive switch.
Preferably, described manual-operating mechanism comprises the face shield covering in described electromagnetic conversion mechanism, described face shield and described pedestal clamping; Described face shield is provided with the rotary handle for manual operation Switching power, and the corresponding described rotary handle of described pedestal is provided with steady pin; Described rotary handle comprises the shifting block of being located at described face shield outside and the handle and connecting rod that is arranged in described face shield, and one end of described handle and connecting rod is fixedly connected with described shifting block, and the other end is sheathed on described steady pin and with described steady pin and is rotationally connected; On described handle and connecting rod, be also provided with the connecting portion being in transmission connection with described driving lever, during for manual operation, drive described driving lever to swing back and forth.
Preferably, described connecting portion is provided with the second groove, and the free end of described driving lever is also arranged in described the second groove.
Preferably, described manual-operating mechanism also comprises second circuit control section, switch for manual operation or the automatic operation of controlling described improvement two-period form double power supply automatic transfer switch, described circuit control section comprises the second wiring board and slide switch, and described slide switch is located on described face shield and is electrically connected described the second wiring board.
Adopt the beneficial effect of above technical scheme to be: two groups of separate electromagnetic systems for power acquisition, more reliable in the time dropping into; Moving contact is that load end, fixed contact are conventional power end and stand-by power supply end, makes overall structure more flexibly, reliably; When manual switchover, without using tool operation, manually just can realize fast switching; Control power supply and directly adopt binding post to insert, omitted the complicated of secondary connection, simultaneously because the overall volume of switch reduces, can not take too much installing space, solved traditional double power supply automatic transfer switch conversion speed slow, the problem such as expensive, has very high practical value.
Accompanying drawing explanation
In order to be illustrated more clearly in the technical scheme in the utility model embodiment technology, to the accompanying drawing of required use in embodiment technical description be briefly described below, apparently, accompanying drawing in the following describes is only embodiment more of the present utility model, for those of ordinary skills, do not paying under the prerequisite of creative work, can also obtain according to these accompanying drawings other accompanying drawing.
Fig. 1 is a kind of structural representation of improveing two-period form double power supply automatic transfer switch of the utility model;
Fig. 2 is a kind of electromagnetic conversion mechanism of two-period form double power supply automatic transfer switch and structural representation of manual-operating mechanism improved of the utility model;
Fig. 3 is the structural representation of a kind of rotary handle of improveing two-period form double power supply automatic transfer switch of the utility model;
The represented corresponding component title of numeral in figure:
1, conventional supply terminals subgroup 2, stand-by power supply terminals subgroup 3, face shield 4, rotary handle 41, shifting block 5, control power supply wiring socket 6, slide switch 7, arc extinguishing cover plate 8, load wiring terminal group 9, central rotating shaft 10, the first sensitive switch 11, contiguous block 12, the first solenoid 13, driving lever 14, handle and connecting rod 15, the second solenoid 16, the second sensitive switch 17, the first wiring board 18, the second wiring board 19 electromagnetic relays 20, the second fixed contact group 21, moving contact group 22, the first fixed contact group 23, pedestal 24, the first moving iron core 25, the second moving iron core 26, connecting portion 261, the second groove.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the utility model embodiment is clearly and completely described, obviously, described embodiment is only the utility model part embodiment, rather than whole embodiment.Based on the embodiment in the utility model, those of ordinary skills are not making the every other embodiment obtaining under creative work prerequisite, all belong to the scope of the utility model protection.
As shown in Figure 1, a kind of improvement two-period form double power supply automatic transfer switch, comprise conventional power supply wiring unit, stand-by power supply wiring units, converting unit and base unit, conventional power supply wiring unit comprises conventional supply terminals subgroup 1 and is connected in the first fixed contact group 22 of described conventional supply terminals subgroup 1; Stand-by power supply wiring units comprises stand-by power supply terminals subgroup 2 and is connected in the second fixed contact group 20 of described stand-by power supply terminals subgroup 2; The electromagnetic conversion mechanism that converting unit comprises moving contact group 21, move to described the first fixed contact group 22 or the second fixed contact group 20 for moving contact group 21 described in motorized motions and the manual-operating mechanism moving to described the first fixed contact group 22 or the second fixed contact group 20 for moving contact group 21 described in manual actuation; Base unit comprises pedestal 23, for carrying described conventional supply terminals subgroup 1, the first fixed contact group 22, stand-by power supply terminals subgroup 2, the second fixed contact group 20, moving contact group 21, electromagnetic conversion mechanism and manual-operating mechanism.
Electromagnetic conversion mechanism comprises that corresponding conventional supply terminals subgroup 1 and stand-by power supply terminals subgroup 2 are symmetricly set in the both sides of contiguous block 11 respectively for the first solenoid 12, the second solenoid 15, contiguous block 11 and central rotating shaft 9, the first solenoids 12 that are arranged on pedestal and the second solenoid 15, the first solenoid 12 comprises that the first static iron core (not marking in figure) and the slip that are fixedly installed in the first solenoid 12 are arranged at the moving iron core 24 of first in the first solenoid 12, the second solenoid 15 comprises that the second static iron core (not marking in figure) and the slip that are fixedly installed in the second solenoid 15 are arranged at the moving iron core 25 of second in the second solenoid 15, the moving iron core 24 of one side clamping first of contiguous block 11, the moving iron core 35 of opposite side clamping second, contiguous block 11 is slidably connected to the first solenoid 12 and the second solenoid 15 by the first moving iron core 24 and the second moving iron core 25, the central rotating shaft 9 moving contact group 21 that is in transmission connection, central rotating shaft 9 is provided with one end and the fixing driving lever 13 of central rotating shaft 9, contiguous block 11 is provided with the first groove (not marking in figure), the free end of driving lever 13 is arranged in the first groove and is connected with manual-operating mechanism, and contiguous block 11 drives central rotating shaft 9 to rotate when automatically switching.
Electromagnetic conversion mechanism also comprises the first sensitive switch 10 being electrically connected with the first solenoid 12 and the second sensitive switch 16 being electrically connected with the second solenoid 15, the first sensitive switch 10 and the second sensitive switch 16 are symmetricly set in the both sides of central rotating shaft 9, the first sensitive switch 10 is provided with the first moving contact (not marking in figure), the second sensitive switch 16 is provided with the second moving contact (not marking in figure), the first moving contact is connected with central rotating shaft 9 contacts respectively with the second moving contact, while putting in place, cut off the control power supply of the first solenoid 12 or the second solenoid 15 for automatically switching.
On central rotating shaft 9, be also provided with elasticity link gear, elasticity link gear comprises the connecting rod (not marking in figure) that one end is connected with central rotating shaft 9, the other end is connected with pedestal 23 and is sheathed on the elastic component (not marking in figure) on connecting rod, and elasticity link gear is symmetricly set in the both sides of central rotating shaft 9.
Electromagnetic conversion mechanism also comprises the first circuit control section, for controlling the conventional power supply of improvement two-period form double power supply automatic transfer switch or the automatic switchover of stand-by power supply, first control circuit part comprises control power supply wiring socket, the first wiring board and the electromagnetic relay of electrical connection successively, and electromagnetic relay is electrically connected respectively the first sensitive switch and the second sensitive switch
Manual-operating mechanism comprises the face shield 3 covering in electromagnetic conversion mechanism, face shield 3 and pedestal 23 clampings; Face shield 3 is provided with the rotary handle 4 for manual operation Switching power, and pedestal corresponding rotation handle 4 is provided with steady pin (not marking in figure); As shown in Figure 3, rotary handle 4 comprises the shifting block 41 of being located at face shield outside and the handle and connecting rod 14 that is arranged in face shield 3, and one end of handle and connecting rod 14 is fixedly connected with shifting block 41, and the other end is sheathed on steady pin and with steady pin and is rotationally connected; On handle and connecting rod 14, be also provided with the connecting portion 26 being in transmission connection with driving lever 13, during for manual operation, drive driving lever 13 to swing back and forth.Connecting portion 26 is provided with the second groove 261, and the free end of driving lever 13 is also arranged in the second groove 261.
Manual-operating mechanism also comprises second circuit control section, switch for manual operation or the automatic operation of controlling improvement two-period form double power supply automatic transfer switch, circuit control section comprises the second wiring board and slide switch, and slide switch is located on face shield and is electrically connected the second wiring board.
The operation principle of improvement two-period form double power supply automatic transfer switch is as follows: conventional supply terminals subgroup is connected with conventional power supply, stand-by power supply terminals subgroup is connected with stand-by power supply, load wiring terminal group is connected with power consumption equipment, and conventional power supply and stand-by power supply binding post insert controls power supply wiring socket.In the time of the energising of improvement two-period form double power supply automatic transfer switch, the first wiring board can preferentially be selected conventional Power supply, electromagnetic relay is connected the first solenoid, when the first solenoid energising, produce electromagnetic force, the first static iron core of its inside and the first moving iron core adhesive, the first moving iron core drives contiguous block close to the first solenoid, the driving lever that is now arranged in contiguous block drives central rotating shaft to rotate a certain angle to the first solenoid, because central rotating shaft and moving contact group are in transmission connection, moving contact group is also driven to the first fixed contact group close, until contact, now conventional power supply and power consumption equipment circuit turn-on, central rotating shaft is rotated in place simultaneously, encounter the first moving contact of the first sensitive switch, the first moving contact moves inward, cut off the energising circuit of electromagnetic relay, the first solenoid power-off, guarantee that moving contact group is reliably connected with the first fixed contact group, owing to being also provided with elasticity link gear on central rotating shaft, rotating shaft also can guarantee that under the effect of elastic component moving contact group is reliably connected with the first fixed contact group.
When conventional power supply goes wrong, first circuit board can be selected stand-by power supply power supply, now electromagnetic relay can be connected the second solenoid, finally controlling moving contact group by the second static iron core with the second moving iron core adhesive contacts in the second fixed contact group, realize and for subsequent usely powering with power supply, switching back after normal etc. conventional power up, realizing completely and automatically switching.
In the time of needs manual switchover, stir slide switch, now the second wiring board cuts off electromagnetic relay power supply, to conventional power supply terminal prescription to the rotary handle of stirring on face shield, rotary handle drives handle and connecting rod rotation, the second groove on handle and connecting rod drives driving lever to swing to the first solenoid, driving lever drives central rotating shaft to rotate a certain angle to the first solenoid when swing, because central rotating shaft and moving contact group are in transmission connection, moving contact group is also driven to the first fixed contact group close, until contact, the conventional power supply of manual control and power consumption equipment circuit turn-on are now realized, if need to switch to stand-by power supply, to stand-by power supply binding post prescription to the rotary handle of stirring on face shield, can realize equally manual switchover stand-by power supply and power consumption equipment circuit turn-on.
Adopt the beneficial effect of above technical scheme to be: two groups of separate electromagnetic systems for power acquisition, more reliable in the time dropping into; Moving contact is that load end, fixed contact are conventional power end and stand-by power supply end, makes overall structure more flexibly, reliably; When manual switchover, without using tool operation, manually just can realize fast switching; Control power supply and directly adopt binding post to insert, omitted the complicated of secondary connection, simultaneously because the overall volume of switch reduces, can not take too much installing space, solved traditional double power supply automatic transfer switch conversion speed slow, the problem such as expensive, has very high practical value.
Further, thereby drive handle and connecting rod to make driving lever drive central rotating shaft to rotate by turning handle, more fast, more effectively realize that manual switchover is conventional, the object of stand-by power supply.
Further, make its sound iron core inhale by the first solenoid and the second solenoid are switched on respectively and produce electromagnetic attraction, thereby driving lever is produced to pulling force, drive central rotating shaft to rotate, more fast, more effectively realize that electronic switching is conventional, the object of stand-by power supply.
Further, switch fast by the accurate of pattern manually or automatically that cooperatively interact to realize of the first wiring board and slide switch, the second wiring board and electromagnetic relay.
To the above-mentioned explanation of the disclosed embodiments, make professional and technical personnel in the field can realize or use the utility model.To be apparent for those skilled in the art to the multiple modification of these embodiment, General Principle as defined herein can, in the situation that not departing from spirit or scope of the present utility model, realize in other embodiments.Therefore, the utility model will can not be restricted to these embodiment shown in this article, but will meet the widest scope consistent with principle disclosed herein and features of novelty.
Claims (8)
1. an improvement two-period form double power supply automatic transfer switch, is characterized in that, comprising:
Conventional power supply wiring unit, comprises conventional supply terminals subgroup and the first fixed contact group that is connected in described conventional supply terminals subgroup;
Stand-by power supply wiring units, comprises stand-by power supply terminals subgroup and the second fixed contact group that is connected in described stand-by power supply terminals subgroup;
Converting unit, comprise moving contact group, for moving contact group described in motorized motions to the electromagnetic conversion mechanism of described the first fixed contact group or the second fixed contact group motion and for moving contact group described in manual actuation the manual-operating mechanism to described the first fixed contact group or the motion of the second fixed contact group;
Base unit, for carrying described conventional supply terminals subgroup, the first fixed contact group, stand-by power supply terminals subgroup, the second fixed contact group, moving contact group, electromagnetic conversion mechanism and manual-operating mechanism.
2. improvement two-period form double power supply automatic transfer switch according to claim 1, is characterized in that, described electromagnetic conversion mechanism comprises:
Central rotating shaft, the described moving contact group that is in transmission connection and being provided with and the driving lever of described manual-operating mechanism interlock;
Contiguous block, is provided with the first groove, and described driving lever is arranged in described the first groove and with the movement of described contiguous block and swings in described the first groove;
The first electromagnetic coil, corresponding described conventional supply terminals subgroup setting and there is the first static iron core being fixedly installed and the first moving iron core arranging that slides, the described first moving iron core clamping connects a side of described contiguous block;
The second electromagnetic coil, the second static iron core that corresponding described stand-by power supply terminals subgroup setting and having is fixedly installed and the second moving iron core arranging that slides, the described second moving iron core clamping connects the opposite side of described contiguous block.
3. improvement two-period form double power supply automatic transfer switch according to claim 2, it is characterized in that, described electromagnetic conversion mechanism also comprises the first sensitive switch being electrically connected with described the first solenoid and the second sensitive switch being electrically connected with described the second solenoid, described the first sensitive switch and the second sensitive switch are symmetricly set in the both sides of described central rotating shaft, described the first sensitive switch is provided with the first moving contact, described the second sensitive switch is provided with the second moving contact, described the first moving contact is connected with described central rotating shaft contact respectively with the second moving contact, while putting in place, cut off the control power supply of described the first solenoid or the second solenoid for automatically switching.
4. according to the improvement two-period form double power supply automatic transfer switch described in claim 2 or 3, it is characterized in that, on described central rotating shaft, be also provided with elasticity link gear, described elasticity link gear comprises the connecting rod that one end is connected with described central rotating shaft, the other end is connected with described pedestal and is sheathed on the elastic component on described connecting rod, and described elasticity link gear is symmetricly set in the both sides of described central rotating shaft.
5. improvement two-period form double power supply automatic transfer switch according to claim 3, it is characterized in that, described electromagnetic conversion mechanism also comprises the first circuit control section, for controlling the conventional power supply of described improvement two-period form double power supply automatic transfer switch or the automatic switchover of stand-by power supply, described the first circuit control section comprises control power supply wiring socket, the first wiring board and the electromagnetic relay of electrical connection successively, and described electromagnetic relay is electrically connected respectively described the first sensitive switch and the second sensitive switch.
6. improvement two-period form double power supply automatic transfer switch according to claim 2, is characterized in that, described manual-operating mechanism comprises the face shield covering in described electromagnetic conversion mechanism, described face shield and described pedestal clamping; Described face shield is provided with the rotary handle for manual operation Switching power, and the corresponding described rotary handle of described pedestal is provided with steady pin; Described rotary handle comprises the shifting block of being located at described face shield outside and the handle and connecting rod that is arranged in described face shield, and one end of described handle and connecting rod is fixedly connected with described shifting block, and the other end is sheathed on described steady pin and with described steady pin and is rotationally connected; On described handle and connecting rod, be also provided with the connecting portion being in transmission connection with described driving lever, during for manual operation, drive described driving lever to swing back and forth.
7. improvement two-period form double power supply automatic transfer switch according to claim 6, is characterized in that, described connecting portion is provided with the second groove, and the free end of described driving lever is also arranged in described the second groove.
8. according to the improvement two-period form double power supply automatic transfer switch described in claim 6 or 7, it is characterized in that, described manual-operating mechanism also comprises second circuit control section, switch for manual operation or the automatic operation of controlling described improvement two-period form double power supply automatic transfer switch, described circuit control section comprises the second wiring board and slide switch, and described slide switch is located on described face shield and is electrically connected described the second wiring board.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320783504.6U CN203706925U (en) | 2013-12-03 | 2013-12-03 | Improved two-stage double-power-supply automatic changeover switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320783504.6U CN203706925U (en) | 2013-12-03 | 2013-12-03 | Improved two-stage double-power-supply automatic changeover switch |
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| Publication Number | Publication Date |
|---|---|
| CN203706925U true CN203706925U (en) | 2014-07-09 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320783504.6U Expired - Lifetime CN203706925U (en) | 2013-12-03 | 2013-12-03 | Improved two-stage double-power-supply automatic changeover switch |
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| CN (1) | CN203706925U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105097315A (en) * | 2015-08-03 | 2015-11-25 | 无锡埃恩博电力科技有限公司 | Rapid switching mechanism of dual power changeover switch |
| CN104681320B (en) * | 2013-12-03 | 2017-12-05 | 苏州飞腾电器有限公司 | One kind improvement two-period form double power supply automatic transfer switch |
| CN107731578A (en) * | 2017-12-01 | 2018-02-23 | 江苏创能电器有限公司 | A kind of automatic change-over |
| TWI744161B (en) * | 2021-01-04 | 2021-10-21 | 松川精密股份有限公司 | Electromagnetic relay with external manual control of electrical opening and closing |
-
2013
- 2013-12-03 CN CN201320783504.6U patent/CN203706925U/en not_active Expired - Lifetime
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104681320B (en) * | 2013-12-03 | 2017-12-05 | 苏州飞腾电器有限公司 | One kind improvement two-period form double power supply automatic transfer switch |
| CN105097315A (en) * | 2015-08-03 | 2015-11-25 | 无锡埃恩博电力科技有限公司 | Rapid switching mechanism of dual power changeover switch |
| CN107731578A (en) * | 2017-12-01 | 2018-02-23 | 江苏创能电器有限公司 | A kind of automatic change-over |
| CN107731578B (en) * | 2017-12-01 | 2019-11-12 | 江苏创能电器有限公司 | A kind of automatic change-over |
| TWI744161B (en) * | 2021-01-04 | 2021-10-21 | 松川精密股份有限公司 | Electromagnetic relay with external manual control of electrical opening and closing |
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| C14 | Grant of patent or utility model | ||
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Granted publication date: 20140709 |
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