CN105261496A - Double-power-source automatic change-over switch - Google Patents
Double-power-source automatic change-over switch Download PDFInfo
- Publication number
- CN105261496A CN105261496A CN201510700285.4A CN201510700285A CN105261496A CN 105261496 A CN105261496 A CN 105261496A CN 201510700285 A CN201510700285 A CN 201510700285A CN 105261496 A CN105261496 A CN 105261496A
- Authority
- CN
- China
- Prior art keywords
- transmission
- arm
- driving member
- tie
- moving contact
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- 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.)
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Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H3/00—Mechanisms for operating contacts
- H01H3/22—Power arrangements internal to the switch for operating the driving mechanism
- H01H3/26—Power arrangements internal to the switch for operating the driving mechanism using dynamo-electric motor
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H3/00—Mechanisms for operating contacts
- H01H3/32—Driving mechanisms, i.e. for transmitting driving force to the contacts
- H01H3/40—Driving mechanisms, i.e. for transmitting driving force to the contacts using friction, toothed, or screw-and-nut gearing
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H5/00—Snap-action arrangements, i.e. in which during a single opening operation or a single closing operation energy is first stored and then released to produce or assist the contact movement
- H01H5/04—Energy stored by deformation of elastic members
- H01H5/06—Energy stored by deformation of elastic members by compression or extension of coil springs
- H01H5/10—Energy stored by deformation of elastic members by compression or extension of coil springs one end of spring being fixedly connected to the stationary or movable part of the switch and the other end reacting with a movable or stationary rigid member respectively through pins, cams, toothed or other shaped surfaces
Landscapes
- Transmission Devices (AREA)
Abstract
The invention relates to a double-power-source automatic change-over switch comprising a controller, a change-over device, a contact system, and micro switches. The change-over device comprises a mechanism frame, a motor, a gear reversing assembly, and a change-over assembly. The change-over assembly comprises a transmission disc and two transmission arms. The two transmission arms are each equipped with an energy storage mechanism. A first transmission component and a second transmission component are respectively fixed to the upper end faces of the two transmission arms. The upper ends of the first transmission component and the second transmission component are correspondingly installed on a first moving contact support and a second moving contact support of the contact system. The two transmission arms are respectively arranged at the two sides of the transmission disc. The transmission disc includes two rotating plates and two shifting rods. The two transmission arms are each provided with clamping grooves corresponding to the shifting rods. The shifting rods can slide in the corresponding clamping grooves when rotating along with the transmission disc, and the two shifting rods can drive the corresponding transmission arms to rotate. The double-power-source automatic change-over switch of the invention has the advantages of small size, strong breaking capacity, and stable and reliable performance.
Description
Technical field
The present invention is specifically related to a kind of double power supply automatic transfer switch.
Background technology
At present, many industries and the department reliability to power supply has very high requirement, and in order to ensure the continuity of powering, it is electric power supply that many important occasions all have employed double power supply automatic transfer switch.As the indispensable device that electric energy switches, its Main Function is, when normal power source breaks down, can automatically switch to stand-by power supply and continue load supplying, automatically can carry out anti-switching after power up is normal, thus meets the requirement of low-voltage power supply system to electrical source exchange.The structural design of existing double power supply automatic transfer switch is unreasonable, thus this double power supply automatic transfer switch exists unstable properties, volume is large, breaking capacity is poor defect.
Summary of the invention
The object of the invention is to the defect overcoming prior art, the double power supply automatic transfer switch that a kind of volume is little, breaking capacity is strong, stable and reliable for performance is provided.
For achieving the above object, the present invention adopts a kind of double power supply automatic transfer switch, comprise controller, conversion equipment, contact system, sensitive switch, described conversion equipment comprises mechanism rack, be arranged on the motor in mechanism rack, the gear wheel reversing assembly arranged with motor linkage, to link the transition components arranged with gear wheel reversing assembly, described transition components comprise be arranged on mechanism rack substrate on and to link the drive plate arranged with gear wheel reversing assembly, rotate two transmission arms be arranged on substrate, two described transmission arms are provided with a stored energy mechanism, and the upper surface of two transmission arms is fixed with respectively the first driving member and the second driving member, the first described driving member, the upper end of the second driving member respectively corresponding be arranged on contact system the first moving contact support and the second moving contact support, two described transmission arms divide and occupy drive plate both sides, described drive plate comprises two flaps, to be arranged between two flaps and two driving levers for stirring described transmission arm, driving lever place on two described transmission arms described in correspondence is provided with draw-in groove, each driving lever is in the process of rotating with drive plate, can slide in corresponding draw-in groove, and two driving levers can drive corresponding transmission arm to rotate.
The beneficial effect of said structure is: this double power supply automatic transfer switch has the advantage that volume is little, breaking capacity is strong, stable and reliable for performance, the conversion equipment of this double power supply automatic transfer switch is provided with a gear wheel reversing assembly, thus this conversion equipment has, and volume is little, the advantage of stable drive, long service life, and two transmission arms are provided with a stored energy mechanism, thus improve the breaking capacity of this double power supply automatic transfer switch, ensure that this double power supply automatic transfer switch can safe and stable operation.
Especially, described gear wheel reversing assembly comprises the transmission cone tooth be arranged in the rotating shaft of motor, to bore the commutation that tooth is meshed with transmission bores tooth, is arranged on the gear shaft commutating and bore on tooth, and the output of described gear shaft is connected on described drive plate.This gear wheel reversing assembly adopts transmission cone tooth and bores tooth with commutation, thus this gear wheel reversing assembly has stable drive, noise is little, bearing capacity is large, and transmission efficiency is high, the advantage of long service life.
Especially, described stored energy mechanism comprises arm-tie, be sleeved on the first baffle plate on arm-tie and second baffle, between the first baffle plate and second baffle, place is sleeved on energy-stored spring on arm-tie, first bearing pin, second bearing pin, described arm-tie is provided with a mounting hole on one end of transmission arm, the first described bearing pin passes mounting hole and is fixed on described transmission arm, arm-tie is away from one end of transmission arm being provided with a circular hole, second bearing pin passes described circular hole and is fixed on substrate, the first described baffle plate, second baffle is between mounting hole and circular hole, arm-tie corresponding first baffle plate place on the both sides of one end of transmission arm is provided with a guide vane end stop.By being provided with stored energy mechanism on transmission arm, this stored energy mechanism can rotate with transmission arm and realizes energy storage or release energy, when double power supply automatic transfer switch is at separating brake with when closing a floodgate, this stored energy mechanism can provide acceleration for the rotation of transmission arm, thus improves the breaking capacity of this double power supply automatic transfer switch.
Especially, the upper surface of the first described driving member is provided with a fixture block in gear-like, fixture block place in the first described moving contact support described in correspondence is provided with a suitable cell body, and described fixture block to be installed in cell body and to form the first driving member and is connected with the first clamping of moving contact part; The upper surface of the second described driving member is provided with a mounting groove in gear-like, on the second described moving contact supporter, corresponding mounting groove place is provided with suitable projection, and described mounting groove is sleeved on and projection forms the second driving member is connected with the second clamping of moving contact support.First driving member, the second driving member adopt with the first moving contact support, the second moving contact support respectively and clamp mode and be connected, thus be convenient to assembling, and the shape of fixture block on the first driving member is gear-like, mounting groove on second driving member is gear-like, the fixture block of this vibrational power flow and mounting groove, transmission is more steady, thus improves the stability of this double power supply automatic transfer switch work.
Especially, described sensitive switch has three, described drive plate is provided with a groove, the contact of one of them sensitive switch is arranged in the groove of drive plate, contact becomes to be fade-in with the groove on drive plate with the rotation of drive plate and gradually goes out to coordinate, and two other sensitive switch coordinates with two transmission arms the operating state detecting transmission arm respectively.This double power supply automatic transfer switch only need adopt three sensitive switches the operating state of switch just can be detected, decreases the quantity of sensitive switch, greatly saves the manufacturing cost of product.
Accompanying drawing explanation
Fig. 1 is embodiment of the present invention stereogram.
Fig. 2 is embodiment of the present invention decomposing schematic representation.
Fig. 3 is the decomposing schematic representation of conversion equipment of the present invention.
Fig. 4 is the vertical view of conversion equipment of the present invention.
Fig. 5 is the cutaway view of conversion equipment of the present invention.
Fig. 6 is the structural representation of stored energy mechanism of the present invention.
Fig. 7 is the stereogram of arm-tie of the present invention.
Embodiment
As shown in Fig. 1,2,3,4,5, the embodiment of the present invention is a kind of double power supply automatic transfer switch, comprises controller 10, conversion equipment 20, contact system 30, sensitive switch 28.Described conversion equipment 20 comprises mechanism rack 21, the motor 221 be arranged in mechanism rack 21, with motor 221 link arrange gear wheel reversing assembly 22, and gear wheel reversing assembly 22 to link the transition components arranged.Described transition components comprise be arranged on mechanism rack 21 substrate 211 on and to link the drive plate 23 arranged with gear wheel reversing assembly 22, rotate two transmission arms 24 be arranged on substrate 211, two described transmission arms 24 are provided with a stored energy mechanism 27, and the upper surface of two transmission arms 24 is fixed with respectively the first driving member 25 and the second driving member 26, the first described driving member 25, the upper end of the second driving member 26 respectively corresponding be arranged on contact system 30 the first moving contact support and the second moving contact support, described two transmission arms 24 points occupy drive plate 23 both sides, described drive plate 23 comprises two flaps 231, to be arranged between two flaps 231 and two driving levers 232 for stirring described transmission arm 24, driving lever 232 place on two described transmission arms 24 described in correspondence is provided with draw-in groove 241, each driving lever 232 is in the process of rotating with drive plate 23, can slide in corresponding draw-in groove 241, and two driving levers 232 can drive corresponding transmission arm 24 to rotate.As shown in Fig. 2,5, described gear wheel reversing assembly 22 comprises the transmission cone tooth 223 be arranged in the rotating shaft 222 of motor 221, to bore the commutation that tooth 223 is meshed with transmission bores tooth 224, is arranged on the gear shaft 225 commutating and bore on tooth 224.The output of described gear shaft 225 is connected on described drive plate 23.This gear wheel reversing assembly adopts transmission cone tooth and bores tooth with commutation, thus this gear wheel reversing assembly has stable drive, noise is little, bearing capacity is large, and transmission efficiency is high, the advantage of long service life.
As shown in Fig. 3,4,6,7, described stored energy mechanism 27 comprises arm-tie 271, the first baffle plate 272 and the second baffle 273 be sleeved on arm-tie 271, between the first baffle plate 272 and second baffle 273, place is sleeved on energy-stored spring 274, first bearing pin 275, second bearing pin 276 on arm-tie 271.Described arm-tie 271 is provided with a mounting hole 277 on one end of transmission arm 24, the first described bearing pin 275 passes mounting hole 277 and is fixed on described transmission arm 24, arm-tie 271 one end away from transmission arm 24 is provided with a circular hole 278, second bearing pin 276 passes described circular hole 278 and is fixed on substrate 211, the first described baffle plate 272, second baffle 273 are between mounting hole 277 and circular hole 278, and arm-tie 271 corresponding first baffle plate 272 place on the both sides of one end of transmission arm 24 is provided with a guide vane end stop 279.By being provided with stored energy mechanism on transmission arm, this stored energy mechanism can rotate with transmission arm and realizes energy storage or release energy, when double power supply automatic transfer switch is at separating brake with when closing a floodgate, this stored energy mechanism can provide acceleration for the rotation of transmission arm, thus improves the breaking capacity of this double power supply automatic transfer switch.As shown in Figure 2,3, the upper surface of the first described driving member 25 is provided with a fixture block 251 in gear-like, fixture block 251 place in the first described moving contact support described in correspondence is provided with a suitable cell body 31, and described fixture block 251 to be installed in cell body 31 and to form the first driving member 25 and is connected with the first clamping of moving contact part; The upper surface of the second described driving member 26 is provided with a mounting groove 261 in gear-like, on the second described moving contact supporter, corresponding mounting groove 261 place is provided with suitable projection 32, and described mounting groove 261 is sleeved on and projection 32 forms the second driving member 26 is connected with the second clamping of moving contact support.First driving member, the second driving member adopt with the first moving contact support, the second moving contact support respectively and clamp mode and be connected, thus be convenient to assembling, and the shape of fixture block on the first driving member is gear-like, mounting groove on second driving member is gear-like, the fixture block of this vibrational power flow and mounting groove, transmission is more steady, thus improves the stability of this double power supply automatic transfer switch work.As shown in Figure 3,4, described sensitive switch 28 has three, described drive plate 23 is provided with a groove 233, the contact of one of them sensitive switch 28 is arranged in the groove 233 of drive plate 23, contact is fade-in gradually to go out to coordinate with the rotation of drive plate 23 and the groove 233 one-tenth on drive plate, and two other sensitive switch 28 coordinates with two transmission arms 24 operating state detecting transmission arm 24 respectively.This double power supply automatic transfer switch only need adopt three sensitive switches the operating state of switch just can be detected, decreases the quantity of sensitive switch, greatly saves the manufacturing cost of product.This double power supply automatic transfer switch has the advantage that volume is little, breaking capacity is strong, stable and reliable for performance, the conversion equipment of this double power supply automatic transfer switch is provided with a gear wheel reversing assembly, thus this conversion equipment has, and volume is little, the advantage of stable drive, long service life, and two transmission arms are provided with a stored energy mechanism, thus improve the breaking capacity of this double power supply automatic transfer switch, ensure that this double power supply automatic transfer switch can safe and stable operation.
Claims (7)
1. a double power supply automatic transfer switch, comprise controller, conversion equipment, contact system, sensitive switch, it is characterized in that: described conversion equipment comprises mechanism rack, be arranged on the motor in mechanism rack, the gear wheel reversing assembly arranged with motor linkage, to link the transition components arranged with gear wheel reversing assembly, described transition components comprise be arranged on mechanism rack substrate on and to link the drive plate arranged with gear wheel reversing assembly, rotate two transmission arms be arranged on substrate, two described transmission arms are provided with a stored energy mechanism, and the upper surface of two transmission arms is fixed with respectively the first driving member and the second driving member, the first described driving member, the upper end of the second driving member respectively corresponding be arranged on contact system the first moving contact support and the second moving contact support, two described transmission arms divide and occupy drive plate both sides, described drive plate comprises two flaps, to be arranged between two flaps and two driving levers for stirring described transmission arm, driving lever place on two described transmission arms described in correspondence is provided with draw-in groove, each driving lever is in the process of rotating with drive plate, can slide in corresponding draw-in groove, and two driving levers can drive corresponding transmission arm to rotate.
2. double power supply automatic transfer switch according to claim 1, it is characterized in that: described gear wheel reversing assembly comprises the transmission cone tooth be arranged in the rotating shaft of motor, to bore the commutation that tooth is meshed with transmission bores tooth, is arranged on the gear shaft commutating and bore on tooth, and the output of described gear shaft is connected on described drive plate.
3. double power supply automatic transfer switch according to claim 1 and 2, it is characterized in that: described stored energy mechanism comprises arm-tie, be sleeved on the first baffle plate on arm-tie and second baffle, between the first baffle plate and second baffle, place is sleeved on energy-stored spring on arm-tie, first bearing pin, second bearing pin, described arm-tie is provided with a mounting hole on one end of transmission arm, the first described bearing pin passes mounting hole and is fixed on described transmission arm, arm-tie is away from one end of transmission arm being provided with a circular hole, second bearing pin passes described circular hole and is fixed on substrate, the first described baffle plate, second baffle is between mounting hole and circular hole, arm-tie corresponding first baffle plate place on the both sides of one end of transmission arm is provided with a guide vane end stop.
4. double power supply automatic transfer switch according to claim 1, it is characterized in that: described stored energy mechanism comprises arm-tie, be sleeved on the first baffle plate on arm-tie and second baffle, between the first baffle plate and second baffle, place is sleeved on energy-stored spring on arm-tie, first bearing pin, second bearing pin, described arm-tie is provided with a mounting hole on one end of transmission arm, the first described bearing pin passes mounting hole and is fixed on described transmission arm, arm-tie is away from one end of transmission arm being provided with a circular hole, second bearing pin passes described circular hole and is fixed on substrate, the first described baffle plate, second baffle is between mounting hole and circular hole, arm-tie corresponding first baffle plate place on the both sides of one end of transmission arm is provided with a guide vane end stop.
5. the double power supply automatic transfer switch according to claim 1 or 2 or 4, it is characterized in that: the upper surface of the first described driving member is provided with a fixture block in gear-like, fixture block place in the first described moving contact support described in correspondence is provided with a suitable cell body, and described fixture block to be installed in cell body and to form the first driving member and is connected with the first clamping of moving contact part; The upper surface of the second described driving member is provided with a mounting groove in gear-like, on the second described moving contact supporter, corresponding mounting groove place is provided with suitable projection, and described mounting groove is sleeved on and projection forms the second driving member is connected with the second clamping of moving contact support.
6. double power supply automatic transfer switch according to claim 1, it is characterized in that: the upper surface of the first described driving member is provided with a fixture block in gear-like, fixture block place in the first described moving contact support described in correspondence is provided with a suitable cell body, and described fixture block to be installed in cell body and to form the first driving member and is connected with the first clamping of moving contact part; The upper surface of the second described driving member is provided with a mounting groove in gear-like, on the second described moving contact supporter, corresponding mounting groove place is provided with suitable projection, and described mounting groove is sleeved on and projection forms the second driving member is connected with the second clamping of moving contact support.
7. the double power supply automatic transfer switch according to claim 1 or 2 or 4 or 6, it is characterized in that: described sensitive switch has three, described drive plate is provided with a groove, the contact of one of them sensitive switch is arranged in the groove of drive plate, contact becomes to be fade-in with the groove on drive plate with the rotation of drive plate and gradually goes out to coordinate, and two other sensitive switch coordinates with two transmission arms the operating state detecting transmission arm respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510700285.4A CN105261496B (en) | 2015-10-21 | 2015-10-21 | Double power supply automatic transfer switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510700285.4A CN105261496B (en) | 2015-10-21 | 2015-10-21 | Double power supply automatic transfer switch |
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| Publication Number | Publication Date |
|---|---|
| CN105261496A true CN105261496A (en) | 2016-01-20 |
| CN105261496B CN105261496B (en) | 2018-01-30 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510700285.4A Active CN105261496B (en) | 2015-10-21 | 2015-10-21 | Double power supply automatic transfer switch |
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Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105551852A (en) * | 2016-02-03 | 2016-05-04 | 濡斯电气（上海）有限公司 | Synchronous transfer structure for automatic transfer switch (ATS) |
| CN107230569A (en) * | 2017-06-09 | 2017-10-03 | 德力西电气有限公司 | A kind of PC level automatic transfer switching equipments with stored energy mechanism |
| CN107546044A (en) * | 2017-10-17 | 2018-01-05 | 北京明日电器设备有限责任公司 | A kind of stored energy operating mechanism of Large Copacity double power supply automatic transfer switch |
| CN109148179A (en) * | 2018-09-28 | 2019-01-04 | 江门市新会区炎泰电子有限公司 | A kind of power transfer device for releasing the quick divide-shut brake of energy based on spring |
| CN109411256A (en) * | 2018-12-24 | 2019-03-01 | 雷顿电气科技有限公司 | The operating mechanism of double power supply automatic transfer switch |
| CN109859965A (en) * | 2017-11-30 | 2019-06-07 | 施耐德电器工业公司 | Double power supply automatic transfer switch and its electromagnetic drive mechanism |
| CN110060902A (en) * | 2019-06-10 | 2019-07-26 | 雷顿电气科技有限公司 | The operating mechanism of automatic transfer switching electric appliance |
| CN110310846A (en) * | 2019-07-31 | 2019-10-08 | 柏法瑞电气（厦门）有限公司 | A kind of stored energy mechanism applied to transfer switch |
| CN113140416A (en) * | 2021-04-28 | 2021-07-20 | 浙江万松电气有限公司 | Driving mechanism of dual-power switch |
| CN114220677A (en) * | 2021-12-30 | 2022-03-22 | 雷顿电气科技有限公司 | Automatic change-over switch electric appliance |
| CN117542678A (en) * | 2024-01-08 | 2024-02-09 | 国网河南省电力公司新乡供电公司 | Dual-power supply change-over switch device |
| CN118353150A (en) * | 2024-04-16 | 2024-07-16 | 安徽康能电气有限公司 | Electrical control equipment with dual-power automatic change-over switch |
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| US7402766B1 (en) * | 2007-04-10 | 2008-07-22 | Jonas Jeffrey J | Panel transfer switch |
| CN201994191U (en) * | 2011-01-01 | 2011-09-28 | 浙江雷顿电气科技有限公司 | Dual-power supply automatic transfer switch transmission mechanism |
| CN203325760U (en) * | 2013-06-01 | 2013-12-04 | 环宇集团有限公司 | Dual-supply automatic transfer switch |
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Cited By (19)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105551852A (en) * | 2016-02-03 | 2016-05-04 | 濡斯电气（上海）有限公司 | Synchronous transfer structure for automatic transfer switch (ATS) |
| CN105551852B (en) * | 2016-02-03 | 2019-10-29 | 濡斯电气（上海）有限公司 | The synchronization transformational structure of ATS automatic change-over |
| CN107230569B (en) * | 2017-06-09 | 2020-07-14 | 德力西电气有限公司 | PC-level automatic change-over switch device with energy storage mechanism |
| CN107230569A (en) * | 2017-06-09 | 2017-10-03 | 德力西电气有限公司 | A kind of PC level automatic transfer switching equipments with stored energy mechanism |
| CN107546044A (en) * | 2017-10-17 | 2018-01-05 | 北京明日电器设备有限责任公司 | A kind of stored energy operating mechanism of Large Copacity double power supply automatic transfer switch |
| CN109859965A (en) * | 2017-11-30 | 2019-06-07 | 施耐德电器工业公司 | Double power supply automatic transfer switch and its electromagnetic drive mechanism |
| CN109859965B (en) * | 2017-11-30 | 2020-09-01 | 施耐德电器工业公司 | Dual-power automatic transfer switch and electromagnetic driving mechanism thereof |
| CN109148179A (en) * | 2018-09-28 | 2019-01-04 | 江门市新会区炎泰电子有限公司 | A kind of power transfer device for releasing the quick divide-shut brake of energy based on spring |
| CN109148179B (en) * | 2018-09-28 | 2023-08-11 | 江门市新会区炎泰电子有限公司 | Power supply switching device based on spring energy release quick opening and closing |
| CN109411256A (en) * | 2018-12-24 | 2019-03-01 | 雷顿电气科技有限公司 | The operating mechanism of double power supply automatic transfer switch |
| CN110060902A (en) * | 2019-06-10 | 2019-07-26 | 雷顿电气科技有限公司 | The operating mechanism of automatic transfer switching electric appliance |
| CN110060902B (en) * | 2019-06-10 | 2024-04-05 | 雷顿电气科技有限公司 | Operating mechanism of automatic transfer switch electric appliance |
| CN110310846A (en) * | 2019-07-31 | 2019-10-08 | 柏法瑞电气（厦门）有限公司 | A kind of stored energy mechanism applied to transfer switch |
| CN113140416A (en) * | 2021-04-28 | 2021-07-20 | 浙江万松电气有限公司 | Driving mechanism of dual-power switch |
| CN113140416B (en) * | 2021-04-28 | 2022-08-05 | 浙江万松电气有限公司 | Driving mechanism of dual-power switch |
| CN114220677A (en) * | 2021-12-30 | 2022-03-22 | 雷顿电气科技有限公司 | Automatic change-over switch electric appliance |
| CN117542678A (en) * | 2024-01-08 | 2024-02-09 | 国网河南省电力公司新乡供电公司 | Dual-power supply change-over switch device |
| CN117542678B (en) * | 2024-01-08 | 2024-05-03 | 国网河南省电力公司新乡供电公司 | Dual-power supply change-over switch device |
| CN118353150A (en) * | 2024-04-16 | 2024-07-16 | 安徽康能电气有限公司 | Electrical control equipment with dual-power automatic change-over switch |
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| CN105261496B (en) | 2018-01-30 |
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| C06 | Publication | ||
| PB01 | Publication | ||
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Effective date of registration: 20160524 Address after: 325604 Yueqing City, Zhejiang Province North elephant White Bridge Industrial Zone, Wenzhou Applicant after: HUANYU GROUP ZHEJIANG HIGH-TECH CO., LTD. Address before: 325604 Yueqing City, Zhejiang Province North elephant White Bridge Industrial Zone, Wenzhou Applicant before: Huyu Group Co., Ltd. |
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| CB02 | Change of applicant information | ||
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Address after: 325604 Yueqing City, Zhejiang Province North elephant White Bridge Industrial Zone, Wenzhou Applicant after: Huanyu Group Zhejiang hi tech Limited by Share Ltd Address before: 325604 Yueqing City, Zhejiang Province North elephant White Bridge Industrial Zone, Wenzhou Applicant before: HUANYU GROUP ZHEJIANG HIGH-TECH CO., LTD. |
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| GR01 | Patent grant | ||
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Address after: 325600 Wenzhou Daqiao Industrial Park, Yueqing City, Wenzhou City, Zhejiang Province Patentee after: Huanyu Hi Tech Co.,Ltd. Address before: 325604 Wenzhou Bridge Industrial Zone, beibaixiang, Yueqing City, Zhejiang Province Patentee before: HUANYU GROUP ZHEJIANG HIGH-TECH Co.,Ltd. |