CN201369508Y - Draw-out automatic transfer switch appliance with bypass - Google Patents
Draw-out automatic transfer switch appliance with bypass Download PDFInfo
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- CN201369508Y CN201369508Y CNU2008201895818U CN200820189581U CN201369508Y CN 201369508 Y CN201369508 Y CN 201369508Y CN U2008201895818 U CNU2008201895818 U CN U2008201895818U CN 200820189581 U CN200820189581 U CN 200820189581U CN 201369508 Y CN201369508 Y CN 201369508Y
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- bypass
- switch
- framework
- automatic transfer
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Abstract
The utility model relates to a draw-out automatic transfer switch appliance with a bypass. The existing automatic transfer switch needs to be repaired or replaced in transfer, which is very inconvenient. The automatic transfer switch appliance consists of a body switch, a roller wheel, a guide rail, a positioning pin, a bypass frame and an A power wiring terminal, a B power wiring terminal, a load wiring terminal, a bypass contact self-locking mechanism, a bypass dynamic contact, a bypass static contact and a bypass draw-out interlocking mechanism which are fixed on the frame. The switch mainly has the draw-out function and the bypass function. When the body switch needs to be repaired or replaced, the bypass switch is closed, a common power source supplies electricity to the load, and the body switch is drawn out to be repaired or replaced outside a power supply circuit; and after being repaired, the body switch is pushed into the frame, the bypass switch is disconnected, and the switch body is integrated into the system to continue running. The process does not affect the normal power utilization of the load, and greatly facilitates and quickens the repair and replacement.
Description
Technical field
The utility model relates to the electronic switch field, is specifically related to the automatic transfer switching electric appliance of a kind of pull-out type band bypass.
Background technology
Existing automatic change-over on the market all is to adopt fixed installation, and the body switch is directly installed in the power distribution circuit.And the demand that double power supply automatic transfer switch itself also has maintenance and changes, when repairing or replacing, just Switch main body need be pulled down, install again after fixing, each dismounting all will have and expends a large amount of time, various wiring on the switch and fixing all pretty troublesome, and repeatedly the dismounting wiring easily causes more potential safety hazard.The double power supply automatic transfer switch of larger capacity, itself and be connected on top copper bar or cable very heavy, extremely inconvenient dismounting.
Because the double power supply automatic transfer switch of fixed installation is when self needing repairing or changing, need take a long time and carry out, and switch must have a power failure in maintenance or when changing and carries out, power consumption equipment must have a power failure for a long time, for important electricity consumption occasion, and unallowed outage or long-time outage, be badly in need of a kind of novel double power supply automatic transfer switch, when itself needing repairing or changing, can be convenient, fast, and can guarantee continued power to load.
The utility model content
The purpose of this utility model is to overcome that existing automatic change-over conversion itself needs repairing or the deficiency when changing, the automatic transfer switching electric appliance of a kind of pull-out type band bypass is provided, the frame fixation of automatic change-over is equipped with in the circuit, be provided with drawing mechanism between ball switch body and framework, double power supply automatic transfer switch this in maintenance or when changing, can directly from framework, extract out very easily, outside at power distribution cabinet repairs or replaces, again the body switch is inserted framework after finishing, enter circuit working.This process does not need the wiring and the set bolt of dismounting dual-power transfer switch.Greatly facilitate automatic change-over maintenance and replacing, saved the time.
The utility model provides a kind of novel automatic transfer switching electric appliance, on its framework, have by-pass switch, when switch and power connection commonly used, by-pass switch is closed, this is that load is connected with mains side commonly used simultaneously by by-pass switch and body switch, then the body switch is extracted out, load by by-pass switch interrupted with power connection commonly used, guaranteed Switch main body in maintenance or when changing load do not cut off the power supply.The body switch is inserted in the framework after maintenance or change is finished again, mains side commonly used on the a-power supply of body switch and the framework is connected, can disconnect by-pass switch this moment, and body switch and power connection commonly used are only passed through in load, and the body switch enters circuit working.The utility model can be applied in the electricity consumption occasion of particular importance, and true turn-off Switch main body automatically is when maintenance and replacing, and power consumption equipment energy operate as normal can be applied to important places such as airport, financial institution, military installations, space flight and aviation.
The realization the technical solution of the utility model is:
The utility model is by body switch, roller, guide rail, alignment pin, bypass framework and be fixed on a-power supply binding post on the framework, B-source binding post, load wiring terminal, bypass contact self-locking mechanism, bypass moving contact, bypass fixed contact, bypass and extract mutual interlocking gear, roller, gib block and framework upper rail out and constitute, body switch bottom is provided with roller, the bottom of body switch is provided with the gib block of protrusion, gib block inserts in the groove of framework upper rail, and the body switch can be extracted out and push along the direction that is provided with of guide rail.
All be fixed with moving contact on each binding post of described Switch main body, moving contact is fixed on the top and bottom of binding post, and with the polyphone of having strong market potential, and preceding a spring is nested in an end of pin, there are slot, slot to be slightly less than the thickness of bypass framework upper connecting terminal in the middle of the last lower moving contact.The moving contact of Fen Buing can be made up of multi-disc up and down.A, B-source rotating shaft end are respectively arranged with stop pin on the body switch, and be mechanical interlocked with the lockplate realization on the framework, guarantees that the body switch is having under the non-off-state and can not be drawn out of.
The front of described body switch is provided with " U " groove and alignment pin, and alignment pin has spring nested outward, has a travel switch to be connected with alignment pin, to carry out electrical interlocks.
Described automatic transfer switching electric appliance, the body switch is outside equipped with framework, and framework simultaneously has outlet, and the body switch can be extracted out along the guide rail of base of frame.
The face that described framework is corresponding with outlet is provided with a-power supply binding post, B-source binding post, load wiring terminal, and its quantity is corresponding with the moving contact on the body switch with the position.
Respectively be provided with extension plate on a-power supply binding post and the face terminals centre on the described framework, be provided with the moving moving contact of bypass on the either side extension plate, an other side extension plate is provided with the bypass fixed contact, by be located at main shaft on the moving contact control moving contact deciliter.
The main shaft of described bypass moving contact has individual mechanical self-latching mechanism in the side, act on the main shaft, and main shaft drives contact and connects or two service positions during disjunction form self-lockings at by-pass switch.
The mechanical self-latching mechanism of described bypass moving contact acts on the main shaft with a quadric chain, to increase the rotation direction of corner and cooperation main shaft.Connecting rod is the driving shaft of quadric chain, rotates around fulcrum O, hangs with extension spring in the bottom of connecting rod A, and the other end of extension spring hangs over the top of locking board, and locking board encloses fulcrum H and rotates, and the center of rotation of main shaft, fulcrum 0, fulcrum H are arranged on the vertical line.Before and after the locking board spacer pin is arranged all, under the effect of extension spring power, locking board is self-locking in two service positions of moving contact disjunction and connection.Be provided with the bypass operation bar in the exit of framework, rotate around the some K that is fixed on the framework, the lower end is connected with horizontally disposed pull bar, and the lower end of pull bar and locking board connects into forms the another one quadric chain; The pull bar two ends connect with bar hole, do the moving motion of level to guarantee pull bar.Insert in the action bars and add long handle, rotate and add long handle, just can carry out the folding of by-pass switch, and in its service position realization self-locking.Be fixed with a baffle plate at pull bar, baffle plate is provided with upper stop piece and lower stop piece.
Be fixed with alignment pin on described framework operation bar one side, alignment pin is with spring outward, when Switch main body is drawn out of, alignment pin inserts in the upper stop piece of baffle plate under the effect of spring force, make action bars akinesia when the body switch is extracted out, promptly by-pass switch can not be by disjunction, to prevent misoperation.
The service position of described framework upper body switch and by-pass switch is provided with travel switch, to detect the physical location of body switch and by-pass switch, realizes electrical interlocks.
Advantage of the present utility model is: have draw-out mechanism, the body switch can be extracted out from framework very easily, greatly made things convenient for the maintenance and the replacing of body switch; Has bypass functionality, the body switch closes by-pass switch earlier before extraction, disconnect the body switch then and with its extraction, by power supply powering load commonly used, body switch maintenance or change and finish the back in the insertion framework, the mains side commonly used that closes earlier, bypass switch opens then, power supply continues by the transfer switch powering load.Described automatic change-over with the bypass of pull-out type band has a plurality of mechanical interlocks, guarantees that switch can not be by misoperation under free position.And it is chain to be provided with electrical equipment, with the dual interlocking of mechanical interlocked structure, has stopped on to greatest extent because the loss that misoperation brings.
Description of drawings
Fig. 1 is that schematic diagram is looked in overall structure of the present utility model left side;
Fig. 2 is that schematic diagram is looked on overall structure of the present utility model right side;
Fig. 3 is an overall structure front elevational schematic of the present utility model;
Fig. 4 is the schematic side view that body switch of the present utility model is in open position;
Fig. 5 is the structural representation of the utility model under each operating state;
Fig. 6 is the circuit theory diagrams of the utility model under each operating state;
Fig. 7 is by-pass switch of the present utility model and the self-locking mechanism structural representation at the disjunction state;
Fig. 8 is by-pass switch of the present utility model and the self-locking mechanism structural representation in on-state;
Fig. 9 is a plurality of mechanical interlocks of the utility model are in normal operation position at the body switch a structural representation;
Figure 10 is that a plurality of mechanical interlocks of the utility model are at the structural representation that removes the frame right end cap;
Figure 11 is the circuit theory diagrams of the utility model electrical interlocks device.
1 is the body switch among the figure, the 2nd, and bypass framework, the 3rd, a-power supply binding post, the 4th, load wiring terminal, the 5th, B-source binding post, the 6th, binding post, the 7th, have strong market potential, the 8th, spring, the 9th, moving contact, the 10th, main shaft, the 11st, bypass moving contact, the 12nd, bypass fixed contact, the 13rd, add long handle, the 14th, " U " groove, the 15th, extract handle out, the 16th, alignment pin, the 17th, spring, the 18th, gib block, the 19th, guide rail, the 20th, roller, the 21st, handle, the 24th, action bars, the 25th, pull bar, the 26th, connecting rod, the 27th, extension spring, the 28th, locking board, the 29th, spacer pin is arranged, the 30th, spacer pin is arranged, the 31st, alignment pin, the 32nd, lockplate, the 34th, stop pin, the 35th, baffle plate, the 36th, stop pin, the 37th, spring, the 38th, jacking block, LS0, LS1, LS2 is respectively the extreme position sensitive switch.
Embodiment
The utility model is described in further details with most preferred embodiment below in conjunction with accompanying drawing:
With reference to figure 1, Fig. 2, Fig. 3, Fig. 4, Fig. 5, Fig. 6, Fig. 7, Fig. 8, Fig. 9, Figure 10, the utility model is by body switch (1), roller (20), guide rail (19), alignment pin (16), bypass framework (2) and be fixed on a-power supply binding post (3) on the framework, B-source binding post (5), load wiring terminal (4), bypass contact self-locking mechanism, bypass moving contact (11), bypass fixed contact (12), bypass is extracted mutual interlocking gear out and is constituted, body switch (1) bottom is provided with roller (20), the bottom of body switch (1) is provided with the gib block (18) of protrusion, gib block (18) inserts in the groove of framework upper rail (19), body switch (1) can be extracted out and push along the direction that is provided with of guide rail (19), the quantity of roller (20) and guide rail (19) should be able to satisfy body switch (1) and move smoothly, can not be partial to.
All be provided with moving contact (9) on each binding post of body switch (1), moving contact (9) is fixed on the top and bottom of binding post (6), with (7) polyphone of having strong market potential, and be nested in an end of pin in previous spring (8), slot is arranged in the middle of the last lower moving contact, slot is slightly less than the thickness of bypass framework upper connecting terminal so that after the body switch inserts framework (2), can with the fine connection of fixed contact on the framework (2).The moving contact of Fen Buing can be made up of multi-disc up and down, is beneficial to heat radiation.
The front of body switch (1) is provided with " U " groove (14) and alignment pin (16), alignment pin (16) is outer to have spring (17) nested, when body switch (1) inserts framework (2), alignment pin (16) inserts in the hole of " on-position ", when being in open position, alignment pin (16) is in the hole of " open position ".Body switch (1) is outside equipped with framework (2), and framework (2) one side has outlet, and body switch (1) can be extracted out along the guide rail (19) of framework (2) bottom.
The face that framework is corresponding with outlet is provided with a-power supply binding post (3), B-source binding post (5), load wiring terminal (4), and its quantity is corresponding with the moving contact on the body switch with the position.
Respectively be provided with extension plate on a-power supply binding post (3) and face terminals (4) centre on the framework, on the either side extension plate, be provided with the moving moving contact (11) of bypass, an other side extension plate is provided with bypass fixed contact (12), by be located at main shaft (10) on the moving contact control moving contact deciliter.
The course of work of automatic change-over is:
When Switch main body (1) needs repairing or changes, be that the by-pass switch that closes forwards the body switch to center off position again under the state of mains side input at A on the body switch.Pull out alignment pin (16), will extract out in the U type groove (14) before handle (15) injects the body switch and depress, body switch (1) is retracted to open position.As continuing from the hole of " open position ", to pull out alignment pin (16), hold the handle (21) on the body switch, the body switch can be pulled out framework outer (2).After finishing maintenance or replacing, body switch (1) is pushed into " on-position " of framework, the a-power supply side of closing the body switch, bypass switch opens, then the body switch is just put into normally operation in the circuit, the whole extraction course of work as shown in Figure 5, the black arrow among the figure is current path and direction; In this process, the job order of each switch and state are as shown in Figure 6.
The main shaft (10) of bypass moving contact (11) has individual mechanical self-latching mechanism in the side, act on the main shaft (10), and main shaft (10) drives contact (11) and connects or two service positions during disjunction form self-lockings at by-pass switch, as shown in Figure 7.
The mechanical self-latching mechanism of bypass moving contact (11) acts on the main shaft (10) with the driven shaft of a quadric chain, to increase corner and to cooperate the rotation direction of main shaft (10).Connecting rod (26) is the driving shaft of quadric chain, rotate around fulcrum 0, hang with extension spring (27) in the bottom of connecting rod A, the other end of extension spring (27) hangs over the top of locking board (28), locking board (28) rotates around fulcrum H, and the center of rotation of main shaft (10), fulcrum 0, fulcrum H are arranged on the vertical line.Before and after the locking board (28) spacer pin (29,30) is arranged respectively, under the effect of extension spring (27), locking board (28) is self-locking in two service positions of moving contact disjunction and connection.In order to make structure more compact, locking board (28) rotates and can be enclosed within on the main shaft (10), but gapped between the main shaft (10), and the discord main shaft rotates with moving.Locking board (28) is provided with bypass operation bar (24) in the exit of framework (2), rotate around the some K that is fixed on the framework (2), the lower end is connected with horizontally disposed pull bar (25), and pull bar (25) connects into composition another one quadric chain with the lower end of locking board (28); Pull bar (25) two ends connect with bar hole, do the moving motion of level to guarantee pull bar (25).Insert in the action bars (24) and add long handle, rotate and add long handle (13), just can carry out the folding of by-pass switch, and in its service position realization self-locking.
The operation principle of the mechanical self-latching mechanism of bypass moving contact is:
When bypass operation bar (24) when being in open position, the top of locking board (28) turns to the right side, in extension spring (27) effect down, the trend that continues the up time rotation is arranged, and blocks at the open position of the contact alignment pin (30) by the right side, is self-locking in this service position.And the other end of extension spring (27) is fixed on the bottom of connecting rod (26), allows connecting rod (26) rotate counterclockwise, thereby drives main shaft (10) and the rotation of moving contact (11) up time, makes moving contact be in the self-locking of disjunction position, as shown in Figure 7.
When by-pass switch need be connected, go up insertion extension bar (13) at action bars (24), manual pushing drawing rod (25), make locking board (28) overcome the power of extension spring (27), rotate counterclockwise, after locking board (28) turns over the dead point in centre position, under the effect of extension spring (27), can continue to rotate counterclockwise, the alignment pin (29) by the left side blocks at last, in this position self-locking.After extension spring (27) on the locking board (28) turned over dead center, drivening rod (26) up time was rotated, and main shaft (10) and moving contact (11) inverse time rotate, and make moving contact be in on-position, and in this position self-locking, as shown in Figure 8.
Moving contact is in the self-lock mechanism of the on-position principle with the disjunction position.In order to make moving contact self-locking reliably, in the middle available one group of extension spring of connecting rod (26) and locking board (28), to increase the snap close dynamics.
Because the double power supply automatic transfer switch of pull-out type band bypass can threaten personal security and cause heavy losses by misoperation the time, for switch under free position not by misoperation, so the utility model also is provided with following several mechanical interlock on the double power supply automatic transfer switch of pull-out type band bypass:
A. A, B-source rotating shaft end are respectively arranged with stop pin (34,36) on the body switch, on framework (2) action bars (24) one sides, be fixed with lockplate (32), lockplate has last low groove on (32), its position is corresponding with stop pin (34,36), when being arranged on the body switch, any side power connection just have a stop pin being stuck in the groove of lockplate (32), Switch main body (1) can not be drawn out of, prevent that body switch (1) is by charged extraction.
B. be fixed with a baffle plate (35) on pull bar (25), (35) are provided with upper stop piece and lower stop piece on the baffle plate.Be fixed with alignment pin (31) on framework (2) action bars (24) one sides, the outer spring (37) that is with of alignment pin (31), when Switch main body (1) when being drawn out of, alignment pin (31) is in the upper stop piece of spring (37) power with insertion baffle plate (35) under acting on, make action bars akinesia when body switch (1) is extracted out, be that bypass can not be by disjunction, to prevent misoperation.When body switch (1) inserted, the jacking block on the body switch (38) can be with alignment pin (31) jack-up, and baffle plate (35) just can be movable, thereby just can the disjunction by-pass switch.Bypass switch opens before the body switch inserts can produce powerful electric arc.
C. when by-pass switch is connected, plate washer (35) on the pull bar (25) is positioned at lockplate (32) and locates, the lower stop piece of plate washer (35) blocks the alignment pin (36) of B-source side, the alignment pin of B-source side (36) can't snap in the groove of lockplate (32), make power supply can't forward B-source to, thereby avoid A, B-source to connect and short circuit simultaneously.
D. before body switch (1) is extracted out, need by-pass switch is connected, and by-pass switch must guarantee a-power supply input before connection, otherwise can produce powerful electric arc.If by-pass switch a-power supply side when connecting is not connected, then the stop pin of a-power supply side (34) just blocks the upper stop piece of pull bar 25 overhead gages 35, by-pass switch can not be closed, and this moment, body switch 1 was blocked by the upper stop piece of baffle plate (35), so can not be drawn out of.Mechanical interlock is seen accompanying drawing 9,10.
The service position of framework (2) upper body switch (1) and by-pass switch is provided with travel switch LS1 and LS2, and when by-pass switch is on-state and body switch during at open position, the B-source side can not be switched on.LS1 and LS2 realize electrical interlocks to detect the physical location of body switch and by-pass switch.There is a travel switch LS0 to be connected on the alignment pin in body switch front with alignment pin (16), in the time of in the middle of the body switch is in disconnection and on-position, be that body switch (1) is in the framework (2), but not with framework (2) on terminal when connecting, alignment pin (16) is pulled up, LS0 disconnects, and body switch A, B-source side all can not be led to by splice grafting, guarantees the safety of switch.The schematic diagram of electrical interlocks is seen accompanying drawing 11.
The utility model is with above mechanical interlocked and electrical interlocks device, guaranteed that switch all can not be by misoperation at any time or under the state, thereby guaranteed the safe handling of switch.
Automatic change-over with the bypass of pull-out type band described in the utility model has draw-out mechanism, and the body switch can be extracted out from framework very easily, has greatly made things convenient for the maintenance and the replacing of body switch; Has bypass functionality, the body switch closes by-pass switch earlier before extraction, disconnect the body switch then and with its extraction, by power supply powering load commonly used, body switch maintenance or change and finish the back in the insertion framework, the mains side commonly used that closes earlier, bypass switch opens then, power supply continues by the transfer switch powering load.Described automatic change-over with the bypass of pull-out type band has a plurality of mechanical interlocks, guarantees that switch can not be by misoperation under free position.And it is chain to be provided with electrical equipment, with the dual interlocking of mechanical interlocked structure, has stopped on to greatest extent because the loss that misoperation brings.
Automatic transfer switching electric appliance described in the utility model has been realized the uninterrupted conversion of power supply, can obtain using very widely in the distribution system of particular importance.
Claims (12)
1, the automatic transfer switching electric appliance of a kind of pull-out type band bypass, it is by body switch (1), roller (20), guide rail (19), alignment pin (16), bypass framework (2) and be fixed on a-power supply binding post (3) on the framework, B-source binding post (5), load wiring terminal (4), bypass contact self-locking mechanism, bypass moving contact (11), bypass fixed contact (12), bypass is extracted mutual interlocking gear out and is constituted, it is characterized in that body switch (1) bottom is provided with roller (20), the bottom of body switch (1) is provided with the gib block (18) of protrusion, gib block (18) inserts in the groove (19) of framework upper rail, and the body switch can be extracted out and push along the direction that is provided with of guide rail.
2, the automatic transfer switching electric appliance of a kind of pull-out type band as claimed in claim 1 bypass, it is characterized in that all being fixed with moving contact (9) on each binding post of described Switch main body (1), moving contact (9) is fixed on the top and bottom of binding post (6), with (7) polyphone of having strong market potential, and there is a spring (17) to be nested in an end of pin, have slot, slot to be slightly less than the thickness of bypass framework upper connecting terminal in the middle of the last lower moving contact, the moving contact of Fen Buing (9) can be made up of multi-disc up and down.
3, the automatic transfer switching electric appliance of a kind of pull-out type band as claimed in claim 1 bypass is characterized in that A on the described body switch, B-source rotating shaft end are respectively arranged with stop pin (34,36).
4, the automatic transfer switching electric appliance of a kind of pull-out type band as claimed in claim 1 bypass, the front that it is characterized in that described body switch is provided with " U " groove (14) and alignment pin (16), alignment pin has spring (17) nested outward, has a travel switch to be connected with alignment pin (16).
5, the automatic transfer switching electric appliance of a kind of pull-out type band as claimed in claim 1 bypass is characterized in that described body switch is outside equipped with framework (2), and framework (2) one side has outlet, and body switch (1) can be extracted out along the guide rail of base of frame.
6, the automatic transfer switching electric appliance of a kind of pull-out type band as claimed in claim 5 bypass, it is characterized in that the described face corresponding with framework (2) outlet is provided with a-power supply binding post (3), B-source binding post (5), load wiring terminal (4), its quantity is corresponding with the moving contact on the body switch with the position.
7, the automatic transfer switching electric appliance of a kind of pull-out type band as claimed in claim 5 bypass, it is characterized in that respectively being provided with extension plate on described a-power supply binding post and the face terminals centre, on the either side extension plate, be provided with the moving moving contact (11) of bypass, an other side extension plate is provided with bypass fixed contact (12), by be located at main shaft (10) on the moving contact control moving contact (11) deciliter.
8, the automatic transfer switching electric appliance of a kind of pull-out type band as claimed in claim 7 bypass, it is characterized in that the described individual mechanical self-latching mechanism that has in the side, act on the main shaft (10), main shaft (10) drives contact (11) and forms self-lockings in two service positions of by-pass switch connection or disjunction.
9, the automatic transfer switching electric appliance of a kind of pull-out type band as claimed in claim 8 bypass, it is characterized in that described mechanical self-latching mechanism acts on the main shaft (10) with a quadric chain, to increase the rotation direction of corner and cooperation main shaft, connecting rod (26) is the driving shaft of quadric chain, rotate around fulcrum O, hang with extension spring (27) in the bottom of connecting rod (26), the other end of extension spring (27) hangs over the top of locking board (28), locking board (28) encloses fulcrum H and rotates, the center of rotation of main shaft (10), fulcrum O, fulcrum H is arranged on the vertical line, spacer pin (29 is arranged respectively before and after the lockplate, 30), under the effect of extension spring (27) power, locking board (28) is self-locking in two service positions of moving contact disjunction and connection, be provided with bypass operation bar (24) in the exit of framework (2), rotate around the some K that is fixed on the framework (2), the lower end is connected with horizontally disposed pull bar (25), and pull bar (25) connects into composition another one quadric chain with the lower end of locking board (28); Pull bar (25) two ends connect with bar hole, do the moving motion of level to guarantee pull bar; Insert in the action bars (24) and add long handle (13), rotate and add long handle (13), just can carry out the folding of by-pass switch, and in its service position realization self-locking.
10, the automatic transfer switching electric appliance of a kind of pull-out type band as claimed in claim 9 bypass is characterized in that described pull bar (25) is fixed with a baffle plate (35), and baffle plate is provided with upper stop piece and lower stop piece.
11, the automatic transfer switching electric appliance of a kind of pull-out type band as claimed in claim 5 bypass, it is characterized in that describedly on framework 2 action bars one side, being fixed with alignment pin (31), the outer spring (37) that is with of alignment pin (31), when Switch main body (1) when being drawn out of, alignment pin (31) inserts in the upper stop piece of baffle plate (32) with under acting at spring force (37), makes action bars (24) akinesia when body switch (1) is extracted out.
12, the automatic transfer switching electric appliance of a kind of pull-out type band as claimed in claim 5 bypass, the service position that it is characterized in that described framework (2) upper body switch (1) and by-pass switch, be provided with travel switch,, realize electrical interlocks to detect the physical location of body switch and by-pass switch.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201895818U CN201369508Y (en) | 2008-09-03 | 2008-09-03 | Draw-out automatic transfer switch appliance with bypass |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201895818U CN201369508Y (en) | 2008-09-03 | 2008-09-03 | Draw-out automatic transfer switch appliance with bypass |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201369508Y true CN201369508Y (en) | 2009-12-23 |
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ID=41488400
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008201895818U Expired - Lifetime CN201369508Y (en) | 2008-09-03 | 2008-09-03 | Draw-out automatic transfer switch appliance with bypass |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201369508Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102509661A (en) * | 2011-10-28 | 2012-06-20 | 贵州长征开关制造有限公司 | Operation linkage safety interlocking linkage device of electrical appliance with draw-out switchgear |
| CN107393738A (en) * | 2017-09-07 | 2017-11-24 | 沈阳斯沃电器有限公司 | A kind of automatic transfer switching electric appliance |
| CN109036935A (en) * | 2018-08-28 | 2018-12-18 | 贵州泰永长征技术股份有限公司 | A kind of manual band load transfer switching equipment of novel three sections bypass |
-
2008
- 2008-09-03 CN CNU2008201895818U patent/CN201369508Y/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102509661A (en) * | 2011-10-28 | 2012-06-20 | 贵州长征开关制造有限公司 | Operation linkage safety interlocking linkage device of electrical appliance with draw-out switchgear |
| CN102509661B (en) * | 2011-10-28 | 2014-04-16 | 贵州长征开关制造有限公司 | Operation linkage safety interlocking linkage device of electrical appliance with draw-out switchgear |
| CN107393738A (en) * | 2017-09-07 | 2017-11-24 | 沈阳斯沃电器有限公司 | A kind of automatic transfer switching electric appliance |
| CN109036935A (en) * | 2018-08-28 | 2018-12-18 | 贵州泰永长征技术股份有限公司 | A kind of manual band load transfer switching equipment of novel three sections bypass |
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Address after: The middle section of Wuhan road Huichuan District Waigaoqiao Industrial Park 563002 Guizhou city of Zunyi Province Patentee after: SHENZHEN TAIYONG ELECTRIC Co.,Ltd. Address before: The middle section of Wuhan road Huichuan District Waigaoqiao Industrial Park 563002 Guizhou city of Zunyi Province Patentee before: Guizhou Taiyong long Technology Co.,Ltd. |
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Address after: The middle section of Wuhan road Huichuan District Waigaoqiao Industrial Park 563002 Guizhou city of Zunyi Province Patentee after: Guizhou Taiyong long Technology Co.,Ltd. Address before: 563002 No. 147, Shanghai Road, Zunyi, Guizhou Patentee before: GUIZHOU CHANGZHENG SWITCH MFG CO.,LTD. |
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