CN204011156U - A kind of automatic change-over - Google Patents
A kind of automatic change-over Download PDFInfo
- Publication number
- CN204011156U CN204011156U CN201420440698.4U CN201420440698U CN204011156U CN 204011156 U CN204011156 U CN 204011156U CN 201420440698 U CN201420440698 U CN 201420440698U CN 204011156 U CN204011156 U CN 204011156U
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- flip stand
- gear
- master gear
- stand
- driven gear
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Abstract
The utility model discloses a kind of automatic change-over.This automatic change-over drives master gear rotation, the rotation of left and right driven gear, the activity of left and right flip stand alternatively up and down successively by motor, and left and right flip stand is stirred the handle of both sides circuit breaker and realized divide-shut brake conversion; The operating mechanism that the gear of take is main body is simple in structure, is convenient to manufacture, and after assembling, between each gear, coordinates reliably, and rotary drive divide-shut brake puts in place; Lateral pin is set on motor shaft, the upper hole portion match is set on master gear, when the position of upper hole portion in matching with lateral pin, motor rotarily drives master gear and rotates; When master gear is pressed down, upper hole portion has departed from lateral pin, master gear is to be only enclosed within on motor shaft, rotation that can drive motor axle during manual operation master gear, get final product independent rotation, resistance while having reduced manual divide-shut brake, deciliter action that makes manually to complete circuit breaker is lighter, and reduces between parts the wearing and tearing because resistance produces greatly.
Description
Technical field
The utility model belongs to electric switch field, particularly relates to a kind of automatic change-over.
Background technology
Automatic change-over is widely used in the various places that need uninterrupted power supply, and it has realized the automatic conversion of loaded line between two-way power supply, to guarantee the reliability of customer power supply.In order to realize the divide-shut brake conversion of two circuit breakers, what current known automatic change-over adopted is the flip stand alternatively up and down activity of both sides of being controlled by driven by motor operating mechanism, and flip stand drives the divide-shut brake of killer switch.But existing automatic change-over exists some problems: operating mechanism itself is larger, and it is also very large to rotarily drive the up and down scope of flip stand, and this makes the overall volume of automatic change-over become large; The cooperation of operating mechanism and flip stand is more complicated, stressed unreasonable when operating mechanism and flip stand interact, and integrated model wearing and tearing are larger, and the divide-shut brake effect of circuit breaker is also produced to bad impact; On the other hand when people need to manually carry out breaking-closing operating, the rotating mechanism structure being connected with motor is fixed, manual rotation needs drive motor to rotate together, the resistance of motor makes people need to apply larger power can rotate rotating mechanism, in addition the resistance that toggle mechanism place parts coordinate, people's manual rotation is more difficult, and also larger to the wearing and tearing of each parts.
Summary of the invention
The utility model is in order to make up the deficiencies in the prior art, provides a kind of simple in structure, divide-shut brake alternately to switch reliable, separated with motor while realizing manual rotary switch, to reduce rotational resistance automatic change-over.
The utility model is by the following technical solutions: a kind of automatic change-over, comprise master gear, left driven gear, right driven gear, left flip stand, right flip stand and mounting bracket, described left driven gear and right driven gear are arranged on mounting bracket and lay respectively at the both sides of master gear, the side of described left flip stand and right flip stand has gear bar, described left flip stand is arranged on the outside of left driven gear and the interlock that cooperatively interacts, described right flip stand is arranged on the outside of right driven gear and the interlock that cooperatively interacts, the outside of described left flip stand and right flip stand is respectively provided with one group of circuit breaker, described master gear rotarily drives left driven gear and the rotation of right driven gear, the divide-shut brake conversion that the left flip stand of interlock and right flip stand up-down alternative motion are realized both sides circuit breaker, the below of described mounting bracket arranges motor, described motor stretches out motor shaft, on described motor shaft, be provided with lateral pin, described master gear is set on motor shaft, the lower hole portion that the endoporus of master gear has the upper hole portion that matches with lateral pin shape and matches with motor shaft shape, when upper hole portion is positioned at lateral pin place and matches, described motor and master gear interlock, when pressing down master gear, upper hole portion departs from lateral pin, and master gear can rotate alone around motor shaft.
As a kind of improvement, on motor shaft, be arranged with spring, described spring is arranged between master gear and mounting bracket, or is arranged between master gear and motor.
As a kind of improvement, the bottom of master gear has the concave station for retainer spring, and the top of master gear has for the boss of rotary handle is installed.
As a kind of improvement, on master gear circumference, there is anodontia district, when anodontia district rotates to left driven gear or right driven gear place, left driven gear or the relative master gear of right driven gear are isolated respectively.
As a kind of improvement, anodontia district accounts for 1/3 of master gear full circle, described master gear axle center respectively with the axial connecting line of left driven gear and right driven gear, the angle that two lines form is 120 degree, described anodontia district is positioned at angle.
As a kind of improvement, on mounting bracket, be provided with gathering sill, the lower surface of described left flip stand and right flip stand is provided with guide pad, and described guide pad packs in gathering sill to coordinate realizes left flip stand and right flip stand along the activity of gathering sill direction.
As a kind of improvement, left flip stand and right flip stand also include driving lever groove and push rod, described driving lever groove is arranged on the middle part of left flip stand and right flip stand, it is perpendicular that the notch of the direction of motion of described gear bar and driving lever groove is offered direction, described push rod is arranged on the top of left flip stand and right flip stand, described automatic change-over also includes two pairs of sensitive switches, described sensitive switch is arranged in the direction of motion of left flip stand and right flip stand, each is a pair of in left and right, a pair of two lay respectively at the extreme position that left flip stand or right flip stand move up and down, at left flip stand or right flip stand, by push rod, promote sensitive switch when up and down closed or separated.
The beneficial effects of the utility model: rotate by driven by motor master gear, drive left and right driven gear rotation, left and right driven gear drives the left and right flip stand alternatively up and down activity with gear bar, and left and right flip stand is stirred the handle of both sides circuit breaker and realized divide-shut brake conversion; The operating mechanism that the gear of take is main body is simple in structure, is convenient to manufacture, and after assembling, between each gear, coordinates reliably, and rotary drive divide-shut brake puts in place; Adopt master gear, driven gear, gear bar three parts to carry out transmission, wear and tear little, compact conformation; Lateral pin is set on motor shaft, the upper hole portion match is set on master gear, when the position of upper hole portion in matching with lateral pin, motor rotarily drives master gear and rotates; When master gear is pressed down, upper hole portion has departed from lateral pin, master gear is to be only enclosed within on motor shaft, rotation that can drive motor axle during manual operation master gear, get final product independent rotation, resistance while having reduced manual divide-shut brake, deciliter action that makes manually to complete circuit breaker is lighter, and reduces between parts the wearing and tearing because resistance produces greatly.
Accompanying drawing explanation
Fig. 1 is the front view of the utility model automatic change-over.
Fig. 2 is the cooperation cutaway view of the utility model motor shaft, rotating mechanism, spring.
Fig. 3 is the three-dimensional structure diagram of the utility model flip stand.
Fig. 4 be the utility model arrange after sensitive switch front view.
Embodiment
Below in conjunction with accompanying drawing, specific embodiment of the utility model is elaborated.
As shown in Figure 1,2,3, 4, be the specific embodiment of utility model automatic change-over.This embodiment comprises master gear 1, left driven gear 2, right driven gear 3, left flip stand 4, right flip stand 5 and mounting bracket 6, left driven gear 2 and right driven gear 3 are arranged on mounting bracket 6 and lay respectively at the both sides of master gear 1, the side of left flip stand 4 and right flip stand 5 has gear bar 4a, left flip stand 4 is arranged on the outside of left driven gear 2 and the interlock that cooperatively interacts, right flip stand 5 is arranged on the outside of right driven gear 2 and the interlock that cooperatively interacts, the outside of left flip stand 4 and right flip stand 5 is respectively provided with one group of circuit breaker, master gear 1 rotarily drives left driven gear 2 and 3 rotations of right driven gear, the divide-shut brake conversion that the left flip stand 4 of interlock and right flip stand 5 up-down alternative motions are realized both sides circuit breaker, the below of mounting bracket 6 arranges motor, motor stretches out motor shaft 7, on motor shaft 7, be provided with lateral pin 8, master gear 1 is set on motor shaft 7, and the endoporus of master gear 1 has the upper hole 1a of portion matching with lateral pin 8 shapes and the lower hole 1b of portion matching with motor shaft 7 shapes, when the upper hole 1a of portion is positioned at lateral pin 8 places and matches, motor and master gear 1 interlock, when pressing down master gear 1, the upper hole 1a of portion departs from lateral pin 8, and master gear 1 can rotate alone around motor shaft 7.
The alternately divide-shut brake that the utility model is realized automatic change-over both sides by simple compact structure is changed, when master gear 1 is in the first station counterclockwise on earth time, and left side breaker closing, right side breaker open operation; Master gear 1 turns clockwise from the first station, drives left driven gear 2 to be rotated counterclockwise, and left driven gear 2 drives left flip stand 4 activity downwards with gear bar 4a, left side breaker open operation; When master gear 1 arrives intermediate stations, left side breaker open operation, right side breaker open operation; Master gear 1 turns clockwise from intermediate stations, drives right driven gear 3 to be rotated counterclockwise, and right driven gear 3 drives the upwards activity of right flip stand 5 with gear bar 4a, right side breaker closing; When master gear 1 is in the second station clockwise on earth time, left side breaker open operation, right side breaker closing.When master gear 1 has been rotated counterclockwise to the process implementation of the first station right side breaker closing to separating brake from the second station, left side breaker open operation is to the conversion of closing a floodgate.
The operating mechanism that the gear of take is main body is simple in structure, is convenient to manufacture, and after assembling, between each gear, coordinates reliably, and rotary drive divide-shut brake puts in place; Adopt master gear 1, driven gear, gear bar 4a tri-parts to carry out transmission, compact conformation.Master gear 1 is by driven by motor, and power own is large, during transmission, can exert pressure to counterpart, and the counterpart being mated is the larger parts of wearing and tearing, and flip stand has compares more complicated structure with gear, and its cost is also higher; In the utility model, adopt and between master gear 1 and flip stand, increase the design of a driven gear, when reaching transmission effect on the one hand, the position of transmission wearing and tearing is concentrated on to driven gear, compare in the transmission situation that master gear 1 and flip stand directly coordinate and there is longer useful life, the more driven gear that weares and teares be convenient to change and cost lower.For the execution mode that increases gear quantity and matching relationship, be simple change of the present utility model, be not make the embodiment obtaining under creative work prerequisite, belong to the scope of the utility model protection.
The utility model arranges lateral pin 8 on motor shaft 7, and the upper hole 1a of portion match is set on master gear 1, and when the upper hole 1a of portion is stuck in lateral pin 8 and matches with it, motor rotarily drives master gear 1 and rotates, and realization is carried out the operation of divide-shut brake to circuit breaker automatically; When master gear 1 is pressed down, the upper hole 1a of portion has departed from lateral pin 8, master gear 1 is only that the structure by the upper hole 1a of portion and the lower hole 1b of portion is enclosed within on motor shaft 7, rotation that can drive motor axle 7 during manual operation master gear 1, can depart from motor independent rotation, resistance while having reduced manual divide-shut brake, deciliter action that makes manually to complete circuit breaker is lighter, and reduces between parts the wearing and tearing because resistance produces greatly.
The fit system that master gear 1 of the present utility model and motor shaft 7 can fasten by the upper hole 1a of portion and lateral pin 8 is fixed, and by be arranged on that rotary handle on master gear 1 presses down master gear 1 or on carry.As a kind of improved embodiment, sheathed spring 7a on motor shaft 7, spring 7a can be arranged between master gear 1 and mounting bracket 6, or is set directly between master gear 1 and motor by the through hole on mounting bracket 6.By being assemblied in the power of master gear 1 lower spring 7a, the upper hole 1a of the portion top of master gear 1 is stuck in to lateral pin 8 places, while making electric machine rotation, motor shaft 7 and lateral pin 8 drive master gear 1 to rotate, by master gear 1 drive left and right driven gear and left and right fluctuation support movable, complete the automatic on/off switch of circuit breaker when reaching electric machine rotation.By being assemblied in rotary handle on master gear 1 to pressing down master gear 1, the spring 7a that master gear arranges for 1 time, after Compress Spring 7a, makes the 1a of hole portion separated with lateral pin 8, departs from the binding force of motor while making hand rotation master gear 1 completely; When decontroling rotary handle, master gear 1 upwards promotes to make the upper hole 1a of portion top to block go back to lateral pin 8 places by the elastic force of spring 7a.
As a kind of improved embodiment, the bottom of master gear 1 has the concave station 1d for retainer spring 7a, and top has for the boss 1e of rotary handle is installed.The design of concave station 1d guarantees the stable cooperation of spring 7a and master gear 1 and moves up and down, and the design of boss 1e is convenient to install and coordinates with rotary handle, rotary handle and master gear 1 Stability Analysis of Structures, and reasonable integral structure is convenient to process.
As a kind of improved embodiment, on master gear 1 circumference, there is anodontia district 1c, when anodontia district 1c rotates to left driven gear 2 or right driven gear 3 place, left driven gear 2 or the relative master gear 1 of right driven gear 3 are isolated respectively.Isolated represented that left driven gear 2 or the relative master gear 1 of right driven gear 3 have not had interlock, left driven gear 2 or right driven gear 3 can not be driven to rotate, and with the motion process of master gear 1, carry out the analysis to anodontia district 1a effect.Initial condition master gear 1 turns clockwise on earth in the second station, right circuit breaker is in "on" position, when master gear 1 starts to be rotated counterclockwise, right driven gear 3 and the movable separating brake of right flip stand 5 of a side will be continued to drive, now anodontia district 1a is in left driven gear 2 places, therefore left driven gear 2 and left flip stand 4 are without motion, and left circuit breaker is in gate-dividing state; When master gear 1 rotates to intermediate stations, right breaker open operation is complete, and anodontia district 1a mono-lateral edges will leave left driven gear 2, and opposite side edge arrives right driven gear 3; Master gear 1 continues to be rotated counterclockwise to the process of the first station, continue to drive left driven gear 2 and the movable combined floodgate of left flip stand 4, now anodontia district 1a is in right driven gear 3 places, and therefore right driven gear 3 and right flip stand 5 are without motion, and right circuit breaker is in gate-dividing state.When turning clockwise, master gear 1 realizes the above contrary course of work of moving.The design of anodontia district 1a can be shortened the operating distance of left flip stand 4 and right flip stand 5, makes overall structure compacter; At anodontia district 1a, in left driven gear 2 or right driven gear 3 place sides, place side is motion not, has reduced the cooperation loss between parts, has extended gear drive useful life; The movable stuck possibility in both sides has also been avoided in the vacant design stopping of one lateral movement opposite side, guarantees the normal work of automatic change-over.
As a kind of improved embodiment, anodontia district 1c accounts for 1/3 of master gear 1 full circle, master gear 1 axle center respectively with both axial connecting lines of left driven gear 2 and right driven gear 3, the angle that two lines form is 120 degree, anodontia district 1c is positioned at angle.Be designed to above anodontia district 1c structure, and the angle of left driven gear 2 and right driven gear 3, compact conformation, and make anodontia district 1c reasonably arrange and coordinate with left driven gear 2, right driven gear 3, make both sides driven gear and flip stand for needn't work simultaneously, avoided both sides to occur stuck possibility.
As a kind of improved embodiment, on mounting bracket 6, be provided with gathering sill 6a, the lower surface of left flip stand 4 and right flip stand 5 is provided with guide pad 4b, and guide pad 4b packs in gathering sill 6a to coordinate and realizes left flip stand 4 and right flip stand 5 along the activity of gathering sill 6a direction.Gathering sill 6a structure is easy to process, is convenient to the installation location of guide pad 4b, is convenient to guarantee left flip stand 4 and the up and down stability of right flip stand 5, guarantees the stable of both sides and circuit breaker, driven gear cooperation position.
As a kind of improved embodiment, left flip stand 4 and right flip stand 5 also include driving lever groove 4c and push rod 4d, driving lever groove 4c is arranged on the middle part of left flip stand 4 and right flip stand 5, it is perpendicular that the notch of the direction of motion of gear bar 4a and driving lever groove 4c is offered direction, push rod 4d is arranged on the top of left flip stand 4 and right flip stand 5, automatic change-over also includes two pairs of sensitive switches 10, sensitive switch 10 is arranged in the direction of motion of left flip stand 4 and right flip stand 5, each is a pair of in left and right, a pair of two lay respectively at the extreme position that left flip stand 4 or right flip stand 5 move up and down, at left flip stand 4 or right flip stand 5, by push rod 31, promote sensitive switches 10 when up and down closed or separated.On the killer switch that arrange in groups automatic change-over both sides, driving lever can be set, a plurality of switches are by the unified switching that drives of driving lever, be inserted in driving lever groove 4c one end of driving lever, and along with the activity of flip stand, flip stand drives the up and down switching of realizing circuit breaker of driving lever; The push rod 4d arranging can be in flip stand active procedure for closed or unclamp the sensitive switch 10 arranging in relevant position and detect circuit breaker switching and whether put in place, on upper and lower two activity directions of flip stand, sensitive switch 10 is set, when flip stand is when activity puts in place up or down, push rod 4d can promote sensitive switch 10 and make its closure, and sensitive switch 10 provides signal makes people understand the divide-shut brake situation of circuit breaker.Simple and reasonable, be convenient to manufacture and reduce production cost, evenly increase the service life with each mating parts is stressed, guarantee the normal work of automatic change-over.
Claims (10)
1. an automatic change-over, it is characterized in that: comprise master gear (1), left driven gear (2), right driven gear (3), left flip stand (4), right flip stand (5) and mounting bracket (6), described left driven gear (2) and right driven gear (3) are arranged on mounting bracket (6) above and lay respectively at the both sides of master gear (1), the side of described left flip stand (4) and right flip stand (5) has gear bar (4a), described left flip stand (4) is arranged on the outside of left driven gear (2) the interlock that cooperatively interacts, described right flip stand (5) is arranged on the outside of right driven gear (2) the interlock that cooperatively interacts, the outside of described left flip stand (4) and right flip stand (5) is respectively provided with one group of circuit breaker, described master gear (1) rotarily drives left driven gear (2) and right driven gear (3) rotation, the divide-shut brake conversion that the left flip stand (4) of interlock and right flip stand (5) up-down alternative motion are realized both sides circuit breaker, the below of described mounting bracket (6) arranges motor, described motor stretches out motor shaft (7), on described motor shaft (7), be provided with lateral pin (8), it is upper that described master gear (1) is set in motor shaft (1), and the endoporus of master gear (1) has the upper hole portion (1a) matching with lateral pin (8) shape and the lower hole portion (1b) matching with motor shaft (7) shape, when upper hole portion (1a) is positioned at lateral pin (8) and locates to match, described motor and master gear (1) interlock, when pressing down master gear (1), upper hole portion (1a) departs from lateral pin (8), and master gear (1) can rotate alone around motor shaft (7).
2. a kind of automatic change-over according to claim 1, it is characterized in that being arranged with on described motor shaft (7) spring (7a), described spring (7a) is arranged between master gear (1) and mounting bracket (6), or is arranged between master gear (1) and motor.
3. a kind of automatic change-over according to claim 2, the bottom that it is characterized in that described master gear (1) has the concave station (1d) for retainer spring (7a), and the top of described master gear (1) has the boss (1e) for rotary handle is installed.
4. according to a kind of automatic change-over described in claim 1 or 2 or 3, it is characterized in that thering is anodontia district (1c) on described master gear (1) circumference, when anodontia district (1c) rotation is located to left driven gear (2) or right driven gear (3), left driven gear (2) or right driven gear (3) relatively master gear (1) are isolated respectively.
5. a kind of automatic change-over according to claim 4, it is characterized in that described anodontia district (1c) accounts for 1/3 of master gear (1) full circle, described master gear (1) axle center respectively with left driven gear (2) and both axial connecting lines of right driven gear (3), article two, the angle that line forms is 120 degree, and described anodontia district (1c) is positioned at angle.
6. according to a kind of automatic change-over described in claim 1 or 2 or 3, it is characterized in that being provided with on described mounting bracket (6) gathering sill (6a), the lower surface of described left flip stand (4) and right flip stand (5) is provided with guide pad (4b), and described guide pad (4b) packs into coordinate in gathering sill (6a) realizes left flip stand (4) and right flip stand (5) along the activity of gathering sill (6a) direction.
7. a kind of automatic change-over according to claim 4, it is characterized in that being provided with on described mounting bracket (6) gathering sill (6a), the lower surface of described left flip stand (4) and right flip stand (5) is provided with guide pad (4b), and described guide pad (4b) packs into coordinate in gathering sill (6a) realizes left flip stand (4) and right flip stand (5) along the activity of gathering sill (6a) direction.
8. according to a kind of automatic change-over described in claim 1 or 2 or 3, it is characterized in that described left flip stand (4) and right flip stand (5) also include driving lever groove (4c) and push rod (4d), described driving lever groove (4c) is arranged on the middle part of left flip stand (4) and right flip stand (5), it is perpendicular that the notch of the direction of motion of described gear bar (4a) and driving lever groove (4c) is offered direction, described push rod (4d) is arranged on the top of left flip stand (4) and right flip stand (5), described automatic change-over also includes two pairs of sensitive switches (10), described sensitive switch (10) is arranged in the direction of motion of left flip stand (4) and right flip stand (5), each is a pair of in left and right, a pair of two lay respectively at the extreme position that left flip stand (4) or right flip stand (5) move up and down, at left flip stand (4) or right flip stand (5), by push rod (31), promote sensitive switch (10) when up and down closed or separated.
9. a kind of automatic change-over according to claim 4, it is characterized in that described left flip stand (4) and right flip stand (5) also include driving lever groove (4c) and push rod (4d), described driving lever groove (4c) is arranged on the middle part of left flip stand (4) and right flip stand (5), it is perpendicular that the notch of the direction of motion of described gear bar (4a) and driving lever groove (4c) is offered direction, described push rod (4d) is arranged on the top of left flip stand (4) and right flip stand (5), described automatic change-over also includes two pairs of sensitive switches (10), described sensitive switch (10) is arranged in the direction of motion of left flip stand (4) and right flip stand (5), each is a pair of in left and right, a pair of two lay respectively at the extreme position that left flip stand (4) or right flip stand (5) move up and down, at left flip stand (4) or right flip stand (5), by push rod (31), promote sensitive switch (10) when up and down closed or separated.
10. a kind of automatic change-over according to claim 6, it is characterized in that described left flip stand (4) and right flip stand (5) also include driving lever groove (4c) and push rod (4d), described driving lever groove (4c) is arranged on the middle part of left flip stand (4) and right flip stand (5), it is perpendicular that the notch of the direction of motion of described gear bar (4a) and driving lever groove (4c) is offered direction, described push rod (4d) is arranged on the top of left flip stand (4) and right flip stand (5), described automatic change-over also includes two pairs of sensitive switches (10), described sensitive switch (10) is arranged in the direction of motion of left flip stand (4) and right flip stand (5), each is a pair of in left and right, a pair of two lay respectively at the extreme position that left flip stand (4) or right flip stand (5) move up and down, at left flip stand (4) or right flip stand (5), by push rod (31), promote sensitive switch (10) when up and down closed or separated.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420440698.4U CN204011156U (en) | 2014-08-06 | 2014-08-06 | A kind of automatic change-over |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420440698.4U CN204011156U (en) | 2014-08-06 | 2014-08-06 | A kind of automatic change-over |
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| Publication Number | Publication Date |
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| CN204011156U true CN204011156U (en) | 2014-12-10 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420440698.4U Withdrawn - After Issue CN204011156U (en) | 2014-08-06 | 2014-08-06 | A kind of automatic change-over |
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| CN (1) | CN204011156U (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104134559A (en) * | 2014-08-06 | 2014-11-05 | 浙江现代电气有限公司 | Automatic-switching switch |
| CN107946108A (en) * | 2017-12-22 | 2018-04-20 | 国网河北省电力有限公司武邑县供电分公司 | The press control of mains-power circuit |
| CN108054669A (en) * | 2017-12-22 | 2018-05-18 | 国网河北省电力有限公司武邑县供电分公司 | The integrated manipulator of electricity grid substation |
| CN110517908A (en) * | 2019-08-27 | 2019-11-29 | 辛铁涛 | A kind of intermittent power control apparatus of electric current |
| CN110880430A (en) * | 2019-11-29 | 2020-03-13 | 广东欧文特电气有限公司 | Change-over switch device |
| CN111696834A (en) * | 2020-06-17 | 2020-09-22 | 贵州电网有限责任公司 | Multifunctional intelligent switch for direct current feeder |
| CN112185731A (en) * | 2020-09-28 | 2021-01-05 | 广东求精电气有限公司 | Low-voltage electrical equipment change-over switch |
-
2014
- 2014-08-06 CN CN201420440698.4U patent/CN204011156U/en not_active Withdrawn - After Issue
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104134559A (en) * | 2014-08-06 | 2014-11-05 | 浙江现代电气有限公司 | Automatic-switching switch |
| CN104134559B (en) * | 2014-08-06 | 2016-07-13 | 浙江现代电气有限公司 | A kind of automatic change-over |
| CN107946108A (en) * | 2017-12-22 | 2018-04-20 | 国网河北省电力有限公司武邑县供电分公司 | The press control of mains-power circuit |
| CN108054669A (en) * | 2017-12-22 | 2018-05-18 | 国网河北省电力有限公司武邑县供电分公司 | The integrated manipulator of electricity grid substation |
| CN110517908A (en) * | 2019-08-27 | 2019-11-29 | 辛铁涛 | A kind of intermittent power control apparatus of electric current |
| CN110880430A (en) * | 2019-11-29 | 2020-03-13 | 广东欧文特电气有限公司 | Change-over switch device |
| CN111696834A (en) * | 2020-06-17 | 2020-09-22 | 贵州电网有限责任公司 | Multifunctional intelligent switch for direct current feeder |
| CN111696834B (en) * | 2020-06-17 | 2022-12-27 | 贵州电网有限责任公司 | Multifunctional intelligent switch for direct current feeder |
| CN112185731A (en) * | 2020-09-28 | 2021-01-05 | 广东求精电气有限公司 | Low-voltage electrical equipment change-over switch |
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