CN205248147U - Two switching of power mechanisms and automatic change -over - Google Patents

Two switching of power mechanisms and automatic change -over Download PDF

Info

Publication number
CN205248147U
CN205248147U CN201521138854.2U CN201521138854U CN205248147U CN 205248147 U CN205248147 U CN 205248147U CN 201521138854 U CN201521138854 U CN 201521138854U CN 205248147 U CN205248147 U CN 205248147U
Authority
CN
China
Prior art keywords
power supply
dual power
pendulum
supply switching
switching mechanism
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
CN201521138854.2U
Other languages
Chinese (zh)
Inventor
何海良
宋志文
徐赛金
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Delixi Electric Co Ltd
Original Assignee
Delixi Electric Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Delixi Electric Co Ltd filed Critical Delixi Electric Co Ltd
Priority to CN201521138854.2U priority Critical patent/CN205248147U/en
Application granted granted Critical
Publication of CN205248147U publication Critical patent/CN205248147U/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Abstract

The utility model provides a two switching of power mechanisms and automatic change -over. This couple switching of power mechanism includes: the carousel sets up with the motor linkage, has the first bulge of two relative settings and is the second bulge that triangle -shaped arranged with two first bulges, and two first bulges are symmetrical for the axis of carousel, push away the pendulum, establish to two, do not set up in the carousel both sides with carousel linkage ground, push away the spacing portion that is provided with of laying out, two spacing portions and the settings of two first bulge one -to -ones that push away to lay out, and the carousel when rotating first bulge drive and push away the pendulum motion through promoting spacing portion. Pushing away the pendulum on the left of driving through the first bulge of motor rotation carousel messenger and moving when closing a floodgate, the rotation of second bulge is to pushing away the pendulum near the right side, and when artificially promoting the right side circuit breaker, the second bulge can push away the pendulum contact with the right side to block that the right side pushes away the motion of pendulum, make the right side circuit breaker to close a floodgate. Be that the both sides circuit breaker can not close a floodgate simultaneously, guaranteed electrical safety.

Description

Dual power supply switching mechanism and automatic change-over
Technical field
The utility model relates to dual power supply switch technology field, is specifically related to a kind of dual power supply switching mechanismAnd automatic change-over.
Background technology
Double power supply automatic transfer switch is by (standby to another road power supply automatic changing-over in load circuit Cong Yi roadWith) device for switching of power supply, it is mainly used in emergency power supply system. Go wrong when conventional power supply andCan not continue as load equipment power supply and time be switched to stand-by power supply, thus normally the connecting of proof load equipmentContinuous work.
Double power supply automatic transfer switch generally includes two breakers, motor and switching mechanisms, switches knotStructure generally comprises rotating disk and is arranged at symmetrically the pendulum that pushes away of rotating disk both sides. Its operation principle is: motorDrive dial rotation, driven by rotary disc pushes away pendulum and swings, and pushes away the handle of pendulum promotion breaker, realizes disconnectedButton again and the separating brake of road device.
But in existing double power supply automatic transfer switch, one thruster pendulum drives circuit breaker handle to close a floodgateTime, the situation that exists people to cause another thruster pendulum also to drive circuit breaker handle to close a floodgate for maloperation, alsoThat is, likely cause both sides breaker to close a floodgate simultaneously, two-way power supply is connected simultaneously and caused short circuit.For the problems referred to above, also there is no at present effective solution.
Utility model content
Therefore, the technical problems to be solved in the utility model is to overcome both sides breaker in prior artThereby close a floodgate and cause two-way power supply to connect simultaneously and cause the defect of short circuit simultaneously.
For this reason, the utility model provides a kind of dual power supply switching mechanism, comprising: rotating disk, and with motorInterlock arranges, and has two the first protuberances that are oppositely arranged and is three with two described the first protuberancesThe second protuberance that dihedral is arranged, two described the first protuberances are with respect to the axis pair of described rotating diskClaim; ; Push away pendulum, be made as two, be arranged in linkage described rotating disk both sides with described rotating disk, described in push away pendulumOn be provided with limiting section, described in two, push away limiting section and two described the first protuberances one laid out a pair ofShould arrange, and described in when described dial rotation the first protuberance by promoting described in described limiting section drivesPush away pendular motion.
As preferably, two described the first protuberances are with respect to the axis symmetry of described the second protuberanceArrange.
As preferably, described limiting section comprises two the first protruding plates, and described the first protuberance is positioned at twoBetween individual described the first protruding plate.
As preferably, on described limiting section, be also provided with axle, described axle runs through two described first and protrudesPlate, described in push away pendulum along described axle moving linearly. As preferably, described the first protuberance and describedTwo protuberances are all arranged on the bottom surface of described rotating disk; Described in being arranged at, described the first protruding plate pushes away pendulumOn end face.
As preferably, described the first protuberance is cylinder, and described the second protuberance is square body.
As preferably, described dual power supply switching mechanism also comprises: rocking arm, is made as two, with two institutesState and push away the pendulum setting that links one by one, comprise rocking bar and be connected with two connected vertically of the two ends of described rocking barBar, is equipped with turning cylinder and power transmission shaft on described connecting rod, and institute's power transmission shaft is used for driving described rocking barRotate around described turning cylinder.
As preferably, described dual power supply switching mechanism also comprises microswitch, outside described microswitchPortion is provided with elastic component, and described connecting rod is provided with bending member away from one end of described rocking bar, described in shakeWhen bar rotates, described bending member is given the active force that makes its distortion with described elastic component.
As preferably, described dual power supply switching mechanism also comprises the first support and is arranged at described firstThe second support of frame both sides, described the first support is provided with the second protruding plate, rotates described in one of themAxle runs through described the second protruding plate and is positioned at connecting rod setting described in one of them on rocking arm, anotherPower transmission shaft runs through described the second support and connecting rod setting described in another, and described microswitch is fixed onOn described the first support.
As preferably, described dual power supply switching mechanism also comprises and is connected in described the second support and instituteState the assistant spring part between rocking arm, for pulling described rocking arm.
As preferably, described dual power supply switching mechanism also comprises base plate, described the first support and describedTwo supports are fixed on described base plate, the described base plate between described the first support and described the second supportBe used for placing breaker, described rocking arm is set on the handle of described breaker.
The utility model also provides a kind of automatic change-over, comprises breaker, motor and dual power supplySwitching construction, is characterized in that, the dual power supply that described dual power supply switching construction provides for the utility modelSwitching construction.
Technical solutions of the utility model, tool has the following advantages:
1, the dual power supply switching mechanism that the utility model provides, comprises the rotating disk arranging with motor linkage,And be arranged in linkage the pendulum that pushes away of described rotating disk both sides with described rotating disk, and there are two and be oppositely arrangedThe first protuberance and with two described the first protuberance the second protuberances of arranging triangular in shape, twoDescribed the first protuberance is with respect to the axis symmetry of described rotating disk. By electric machine rotation rotating disk so thatOne protuberance drives left side to push away pendular motion, pushes away pendulum and drives left side breaker to close a floodgate, and now second is protrudingGoing out portion turns to and pushes away pendulum near right side; And when the artificial right side breaker that promotes, before drive right side pushes away and is flapped towardWhen motion, the second protuberance can push away pendulum with right side and contact, and stops that right side pushes away the motion of pendulum, makes the right sideSide breaker cannot close a floodgate. Otherwise left side breaker also in like manner. Be that both sides breaker can not close simultaneouslyLock, thus solve because the breaker two-way power supply causing that closes a floodgate in both sides is connected and causes simultaneously simultaneouslyThe defect of short circuit, has ensured Electrical Safety.
2, the dual power supply switching mechanism that the utility model provides, in operating process frictional dissipation little, productIn running, there is less loss, reduced the power consumption of product; Assembling product is simple and easy, promotes finished productQualification rate, effectively reduce production cost; Small product size is less, and the installing space needing is little, connectsLine is convenient.
Brief description of the drawings
In order to be illustrated more clearly in the utility model detailed description of the invention or technical side of the prior artCase, does the accompanying drawing to required use in detailed description of the invention or description of the Prior Art simply belowIntroduce, apparently, the accompanying drawing in the following describes is embodiments more of the present utility model, rightIn those of ordinary skill in the art, do not paying under the prerequisite of creative work, can also basisThese accompanying drawings obtain other accompanying drawing.
The structural representation that Fig. 1 is the dual power supply switching mechanism that provides in the utility model embodiment;
Fig. 2 is the structural representation that pushes away pendulum in the dual power supply switching mechanism shown in Fig. 1;
Fig. 3 is the structural representation of the dual power supply switching mechanism turntable shown in Fig. 1;
Fig. 4 is the structural representation of rocking arm in the dual power supply switching mechanism shown in Fig. 1;
Fig. 5 is the structural representation of microswitch in the dual power supply switching mechanism shown in Fig. 1;
Fig. 6 is the structural representation of the first support in the dual power supply switching mechanism shown in Fig. 1;
The structural representation that Fig. 7 is the automatic change-over that provides in the utility model embodiment.
1-base plate; 2-the first support; 21-the first hole; 22-the second hole; 3-the second support; 4-fine motionSwitch; 41-elastic component; 5-rocking arm; 51-turning cylinder; 52-power transmission shaft; 53-bending member; 6-is auxiliaryElastic component; 7-rotating disk; 71-the first protuberance; 72-the second protuberance; 8-pushes away pendulum; 81-first protrudesPlate; 82-the first through hole; 83-the second through hole; 9-axle.
Detailed description of the invention
Below in conjunction with accompanying drawing, the technical solution of the utility model is clearly and completely described, aobviousSo, described embodiment is the utility model part embodiment, instead of whole embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are not making creative workThe every other embodiment obtaining under prerequisite, belongs to the scope that the utility model is protected.
In description of the present utility model, it should be noted that, term " " center ", " on ", D score,Orientation or the position relationship of the instructions such as " left side ", " right side ", " vertically ", " level ", " interior ", " outward " areBased on orientation shown in the drawings or position relationship, be only that the utility model and simplification are for convenience of description retouchedState, instead of instruction or the hint device of indication or element must have specific orientation, with specificallyOrientation structure and operation, therefore can not be interpreted as restriction of the present utility model. In addition term ",One ", " second ", " the 3rd " be only for describing object, and can not be interpreted as instruction or hint phase counterweightThe property wanted. In addition related technical characterictic in the different embodiments of described the utility model,As long as not forming each other conflict just can mutually combine.
Embodiment 1
The present embodiment provides a kind of dual power supply switching mechanism, as shown in Fig. 1-6, comprising:
Rotating disk 7, with motor linkage setting, has two the first protuberances 71 that are oppositely arranged and with two72, two described the first protuberances of individual described the first protuberance 71 the second protuberance of arranging triangular in shapeThe 71 axis symmetries with respect to described rotating disk 7;
Push away pendulum 8, be made as two, be arranged in linkage described rotating disk 7 both sides with described rotating disk 7, described inPush away on pendulum 8 and be provided with limiting section, described in two, push away limiting section and two described the first protrusions on pendulum 8Portion 71 is corresponding setting one by one, and described rotating disk 7 while rotating described in the first protuberance 71 by promoting instituteState limiting section drive described in push away pendulum 8 motion.
While making the first protuberance 71 drive left side to push away pendular motion by electric machine rotation rotating disk, push away pendulum and drive leftSide breaker closes a floodgate, and now the second protuberance 72 turns near right side and pushes away pendulum; And when people is for pushing awayMoving right side pushes away puts while travelling forward, and the second protuberance 72 can push away pendulum with right side and contact, and stops that right side pushes awayThe motion of pendulum, cannot close a floodgate right side breaker. Otherwise left side breaker also in like manner. Be both sidesBreaker can not close a floodgate simultaneously, thereby has solved due to the both sides breaker two-way electricity causing that closes a floodgate simultaneouslyThe defect of short circuit is connected simultaneously and is caused in source, has ensured Electrical Safety.
Above-mentioned dual power supply switching mechanism, in operating process frictional dissipation little, in product running, haveLittle loss, has reduced the power consumption of product; Assembling product is simple and easy, promotes the qualification rate of finished product, effectivelyReduce production cost; Small product size is less, and the installing space needing is little, easy-to-connect.
As preferably, two described the first protuberances 71 are with respect to the axis of described the second protuberance 72Line is symmetrical arranged.
Above-mentioned set-up mode is conducive to described the first protuberance 71 and is positioned at the pendulum that pushes away of described rotating disk 7 both sidesLimiting section in 8 all can good contact.
Described limiting section is for limiting the moving range of rotating disk 7 first protuberances 71, and its structure has veryMany ways of realization, as long as can realize its function. As shown in Figure 2, as preferred embodiment,Described limiting section comprises two the first protruding plates 81, and described the first protuberance 71 is positioned at two described firstBetween protruding plate 81.
As one preferred embodiment, be also provided with axle 9 on described limiting section, described axle 9 runs throughTwo described the first protruding plates 81, described in push away pendulum 8 along described axle 9 moving linearlies.
As shown in Figure 2, be provided with the first through hole 81 on the first protruding plate 81, it act as: make axle9 through the first through hole 81, with fixed axis 9.
In order to increase axle 9 and to push away the connective stability between pendulum 8, as the embodiment of distortion, instituteState limiting section and can also comprise other protruding plate, and be also provided with the first through hole on other protruding plate,And make axle 9 run through other protruding plates.
As shown in Figures 2 and 3, as further preferred embodiment, described the first protuberance 71All be arranged on the bottom surface of described rotating disk 7 with described the second protuberance 72; Described the first protruding plate 81Described in being arranged at, push away on the end face of pendulum 8.
Said structure is conducive to reduce the volume of product, and has simplified the assembling of product, lifting finished productQualification rate, effectively reduces production cost.
As shown in Figure 2, as preferred embodiment, described the first protuberance 71 is cylinder, instituteStating the second protuberance 72 is square body.
Adopt cylinder to be conducive to reduce rotating disk 7 as described the first protuberance 71 and push away between pendulum 8Promote resistance, adopt square body to be conducive to increase described the second protuberance as described the second protuberance 7272 pairs push away the barrier force of pendulum 8.
Described the first protuberance 71 can be by riveting or be weldingly fixed on rotating disk 7. In order to simplify itPackaging technology, preferably, described the second protuberance 72 is bending edges.
As shown in Figure 4, as preferred embodiment, described dual power supply switching mechanism also comprises: shakeArm 5, is made as two, with described in two, push away pendulum 8 one by one interlock arrange, comprise rocking bar and with described rocking barTwo ends two connecting rods connected vertically, on described connecting rod, be equipped with turning cylinder 51 and power transmission shaft 52,And institute's power transmission shaft 52 is for driving described rocking bar to rotate around described turning cylinder 51.
As further preferred embodiment, described connecting rod is provided with away from one end of described rocking barBending member 53, as shown in Figure 4. And preferably, described dual power supply switching mechanism also comprises fine motionSwitch 4, flexible 41 of the outer setting of described microswitch 4, described connecting rod shakes away from describedOne end of bar is provided with bending member 53, and when described rocking bar rotates, described bending member 53 is given and described elasticityPart 41 makes the active force of its distortion,, as shown in Figure 5.
Microswitch 4 is used to provide circuit-breaker status feedback signal, in the time that breaker reaches "on" position,The bending part 53 of Rocker arm 5 promotes elastic component 41, and exports a divide-shut brake signal to electronic module.
As shown in Figure 6, as preferred embodiment,
Described dual power supply switching mechanism also comprises the first support 2 and is arranged at described the first support 2 both sidesThe second support 3, described the first support 2 is provided with the second protruding plate 21, rotates described in one of themAxle 51 runs through described the second protruding plate 21 and is positioned at connecting rod setting described in one of them on rocking arm,Another power transmission shaft 51 runs through described the second support 3 and connecting rod setting described in another, described fine motionSwitch 4 is fixed on described the first support 2.
Optionally, as shown in Figure 6, on the first support 2, be provided with protruding plate, on protruding plate, be provided withThe first hole 21, for installing the turning cylinder 51 of Rocker arm 5. On the first support 2, be also provided with for solidThe installing plate of dead axle 9, is provided with the second hole 22 on installing plate, axle 9 is through the second hole 22.
As shown in Figure 1, as further preferred embodiment, described dual power supply switching mechanism also wrapsDraw together the assistant spring part 6 being connected between described the second support 3 and described Rocker arm 5, for pullingDescribed Rocker arm 5, and described in making, push away the quickening campaign of putting 8.
Assistant spring part 6 is for accelerating separating brake and the combined floodgate of breaker. Assistant spring part 6 can be bulletThe elastic components such as spring.
Further preferably, as shown in Figure 1, described dual power supply switching mechanism also comprises base plate 1, described inThe first support 2 and described the second support 3 are fixed on described base plate 1, described the first support 2 and instituteState described base plate 1 between the second support 3 for placing breaker, described Rocker arm 5 be set in breakOn the handle of road device.
Embodiment 2
As shown in Figure 7, the present embodiment provides a kind of automatic change-over, comprises breaker, motorWith dual power supply switching construction, the dual power supply that described dual power supply switching construction provides for the present embodiment switches to be tiedStructure.
The automatic change-over that the present embodiment provides comprises that the dual power supply that the utility model provides switches knotStructure, therefore has advantages of the dual power supply switching construction that the utility model provides. Be that the present embodiment providesAutomatic change-over in, during by electric machine rotation rotating disk, the first protuberance drives left side to push away pendular motion,Push away pendulum and drive left side breaker to close a floodgate, now the second protuberance turns near right side and pushes away pendulum; AndWhen artificial promotion right side breaker, drive right side to push away and put while travelling forward, the second protuberance meeting and right sidePush away pendulum contact, and stop that right side pushes away the motion of pendulum, right side breaker cannot be closed a floodgate. Otherwise, a left sideSide breaker also in like manner. Be that both sides breaker can not close a floodgate simultaneously, thereby solved owing to opening circuit in both sidesThe defect of short circuit is connected simultaneously and caused to simultaneously the close a floodgate two-way power supply that causes of device, ensured Electrical Safety.
Obviously, above-described embodiment is only for example is clearly described, and not to the side of enforcementThe restriction of formula. For those of ordinary skill in the field, also can on the basis of the above descriptionTo make other changes in different forms. Here without also giving all embodimentsWith exhaustive. And the apparent variation of being extended out thus or variation are still created in the utility modelProtection domain among.

Claims (12)

1. a dual power supply switching mechanism, is characterized in that, comprising:
Rotating disk (7), with motor linkage setting, has two the first protuberances (71) that are oppositely arrangedWith with two described the first protuberances (71) the second protuberance (72) of arranging triangular in shape, two institutesState the axis symmetry of the first protuberance (71) with respect to described rotating disk (7);
Push away pendulum (8), be made as two, be arranged in linkage described rotating disk (7) with described rotating disk (7)Both sides, described in push away on pendulum (8) and be provided with limiting section, described in two, push away limiting section on pendulum (8) withTwo described the first protuberances (71) are corresponding setting one by one, and described rotating disk (7) while rotating described in theOne protuberance (71) is by promoting to push away pendulum (8) motion described in described limiting section drive.
2. dual power supply switching mechanism according to claim 1, is characterized in that, two describedOne protuberance (71) is symmetrical arranged with respect to the axis of described the second protuberance (72).
3. dual power supply switching mechanism according to claim 1, is characterized in that, described limiting sectionComprise two the first protruding plates (81), described the first protuberance (71) is positioned at two described first and protrudesBetween plate (81).
4. dual power supply switching mechanism according to claim 3, is characterized in that, described limiting sectionOn be also provided with axle (9), described axle (9) runs through two described the first protruding plates (81), described in push awayPendulum (8) is along described axle (9) moving linearly.
5. dual power supply switching mechanism according to claim 3, is characterized in that, described first protrudingGo out portion (71) and described the second protuberance (72) is all arranged on the bottom surface of described rotating disk (7); InstituteStating the first protruding plate (81) pushes away on the end face of pendulum (8) described in being arranged at.
6. according to the dual power supply switching mechanism described in any one in claim 1 to 5, it is characterized in that,Described the first protuberance (71) is cylinder, and described the second protuberance (72) is square body.
7. according to the dual power supply switching mechanism described in any one in claim 1 to 5, it is characterized in that,Described dual power supply switching mechanism also comprises:
Rocking arm (5), is made as two, and described in two, pushes away pendulum (8) setting that links one by one, comprises rocking barWith with two ends two connecting rods connected vertically of described rocking bar, on described connecting rod, be equipped with turning cylinderAnd power transmission shaft (52), and institute's power transmission shaft (52) is for driving described rocking bar around described turning cylinder (51)(51) rotate.
8. dual power supply switching mechanism according to claim 7, is characterized in that described dual power supply cutsConverting mechanism also comprises microswitch (4), flexible of the outer setting (41) of described microswitch (4),Described connecting rod is provided with bending member (53) away from one end of described rocking bar, when described rocking bar rotates, and instituteState bending member (53) to making the active force of its distortion with described elastic component (41).
9. dual power supply switching mechanism according to claim 8, is characterized in that, described dual power supplySwitching mechanism also comprises the first support (2) and is arranged at second of described the first support (2) both sidesFrame (3), described the first support (2) is provided with the second protruding plate (21), rotates described in one of themAxle (51) runs through described the second protruding plate (21) and is positioned at connecting rod described in one of them on rocking armArrange, another power transmission shaft (51) run through described the second support (3) and described in another connecting rod establishPut, described microswitch (4) is fixed on described the first support (2).
10. dual power supply switching mechanism according to claim 9, is characterized in that, described two electricitySource switching mechanism also comprises and being connected between described the second support (3) and described rocking arm (5)Assistant spring part (6), for pulling described rocking arm (5).
11. dual power supply switching mechanisms according to claim 10, is characterized in that, described two electricitySource switching mechanism also comprises base plate (1), and described the first support (2) and described the second support (3) are solidUpper due to described base plate (1), the institute between described the first support (2) and described the second support (3)State base plate (1) for placing breaker, described rocking arm (5) is set on the handle of described breaker.
12. 1 kinds of automatic change-overs, comprise breaker, motor and dual power supply switching construction, its spyLevy and be, described dual power supply switching construction is that in claim 1 to 11, the dual power supply described in any one is cutConverting mechanism.
CN201521138854.2U 2015-12-31 2015-12-31 Two switching of power mechanisms and automatic change -over Active CN205248147U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201521138854.2U CN205248147U (en) 2015-12-31 2015-12-31 Two switching of power mechanisms and automatic change -over

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201521138854.2U CN205248147U (en) 2015-12-31 2015-12-31 Two switching of power mechanisms and automatic change -over

Publications (1)

Publication Number Publication Date
CN205248147U true CN205248147U (en) 2016-05-18

Family

ID=55947227

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201521138854.2U Active CN205248147U (en) 2015-12-31 2015-12-31 Two switching of power mechanisms and automatic change -over

Country Status (1)

Country Link
CN (1) CN205248147U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105428116A (en) * 2015-12-31 2016-03-23 德力西电气有限公司 Dual-power source switching mechanism and automatic change-over switch

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105428116A (en) * 2015-12-31 2016-03-23 德力西电气有限公司 Dual-power source switching mechanism and automatic change-over switch

Similar Documents

Publication Publication Date Title
CN100545971C (en) Automatic transfer switching electric appliance
CN205248147U (en) Two switching of power mechanisms and automatic change -over
CN203607267U (en) A double power supply automatic change-over switch transmission mechanism and a double power supply automatic change-over switch
CN203456945U (en) Double power supply shifting switch
CN204577267U (en) The overlapping switching mechanism of neutral pole and automatic transfer switching electric appliance
CN204167153U (en) A kind of active and standby miniature circuit breaker mechanical interlock
CN105428116A (en) Dual-power source switching mechanism and automatic change-over switch
CN203631398U (en) A three-position-switch-used operation mechanism
CN208954852U (en) A kind of double power supply automatic transfer switch with overlapping neutral function
CN203774107U (en) Operating mechanism of dual-power automatic conversion switch
CN103475088B (en) A kind of double power supply converting switch
CN105551844A (en) Connection rod actuating mechanism of dual-power supply automatic transfer switch
CN203026441U (en) Operation mechanism of breaker
CN204991591U (en) Take single permanent magnetism circuit breaker of manual combined floodgate function
CN201956215U (en) Automatic dual-power changeover switch
CN205069551U (en) A aggregate unit for realizing automatic function of closing a floodgate of circuit breaker
CN204303669U (en) A kind of phase-control permanent magnet vacuum circuit breaker
CN107815934A (en) A kind of empty iron railway points system
CN207347855U (en) Railway points system for empty iron
CN209071146U (en) Automatic change-over and double power supply automatic transfer switch including it
CN206163357U (en) Modularization spring operating mechanism interlock
CN207690740U (en) Automatic divide-shut brake breaker
CN202111014U (en) Breaker auxiliary switch
CN207217425U (en) A kind of magnetic latching relay plectrum
CN202678235U (en) Double-magnetic loop magnetic latching relay

Legal Events

Date Code Title Description
C14 Grant of patent or utility model
GR01 Patent grant