EP4258305A1 - Système de commutation avec contact de dérivation - Google Patents

Système de commutation avec contact de dérivation Download PDF

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Publication number
EP4258305A1
EP4258305A1 EP23305448.5A EP23305448A EP4258305A1 EP 4258305 A1 EP4258305 A1 EP 4258305A1 EP 23305448 A EP23305448 A EP 23305448A EP 4258305 A1 EP4258305 A1 EP 4258305A1
Authority
EP
European Patent Office
Prior art keywords
contact
contact portion
movable
movable contact
bracket
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.)
Pending
Application number
EP23305448.5A
Other languages
German (de)
English (en)
Inventor
Xiaojing ZENG
Xiangyu GENG
Bin Zhou
Han Wang
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.)
Schneider Electric Industries SAS
Original Assignee
Schneider Electric Industries SAS
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 Schneider Electric Industries SAS filed Critical Schneider Electric Industries SAS
Publication of EP4258305A1 publication Critical patent/EP4258305A1/fr
Pending legal-status Critical Current

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Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H1/00—Contacts
    • H01H1/12—Contacts characterised by the manner in which co-operating contacts engage
    • H01H1/36—Contacts characterised by the manner in which co-operating contacts engage by sliding
    • H01H1/42—Knife-and-clip contacts
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H1/00—Contacts
    • H01H1/50—Means for increasing contact pressure, preventing vibration of contacts, holding contacts together after engagement, or biasing contacts to the open position
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H1/00—Contacts
    • H01H1/12—Contacts characterised by the manner in which co-operating contacts engage
    • H01H1/36—Contacts characterised by the manner in which co-operating contacts engage by sliding
    • H01H1/42—Knife-and-clip contacts
    • H01H2001/425—Knife-and-clip contacts with separate contact pressure spring confined between two contact knifes and urging the knifes onto a mating contact
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H2300/00—Orthogonal indexing scheme relating to electric switches, relays, selectors or emergency protective devices covered by H01H
    • H01H2300/018—Application transfer; between utility and emergency power supply

Definitions

  • the present disclosure relates to a switch system with bypass contact.
  • the solution to this problem is mainly to improve by adjusting the contact pressure and the closing speed of the product.
  • an aspect of the present disclosure provides a switch system with bypass contact, the switch system includes a stationary contact and a movable contact.
  • the bypass contact includes a first bent part and a second contact part.
  • the bypass contact further includes a third bent part bent relative to the second contact part.
  • the movable contact includes a first movable contact bracket and a second movable contact bracket.
  • an oblique angle part is arranged on a side of the first movable contact bracket and the second movable contact bracket opposite to the arc contact portion.
  • the arc contact portion, the first main contact portion and the second main contact portion are made of a conductive metal material.
  • the arc contact portion, the first main contact portion and the second main contact portion are arranged on the one end of the first movable contact bracket and on the one end of the second movable contact bracket by welding or electroplating, respectively, or the arc contact portion, the first main contact portion and the second main contact portion are integrally formed with the one end of the first movable contact bracket and the one end of the second movable contact bracket, respectively.
  • the other end of the first movable contact bracket and the other end of the second movable contact bracket are pivotally connected to an outlet terminal.
  • the movable contact further includes a movable contact sleeve and a pressure spring.
  • the first movable contact bracket and the second movable contact bracket are held in the movable contact sleeve under a joint action of the movable contact sleeve and the pressure spring, wherein the pressure spring acts between the movable contact sleeve and the first movable contact bracket and between the movable contact sleeve and the second movable contact bracket, thereby pressing the first movable contact bracket and the second movable contact bracket toward each other, the one end of the first movable contact bracket and the one end of the second movable contact bracket extend out of the movable contact sleeve.
  • a sleeve partition plate is arranged inside the movable contact sleeve. Under the action of the pressure spring, the first movable contact bracket and the second movable contact bracket respectively abut against two sides of the sleeve partition plate.
  • the first main contact portion and the second main contact portion have a height difference relative to the arc contact portion. a thickness of the first main contact portion is equal to a thickness of the second main contact portion.
  • the first main contact portion and the second main contact portion have a height difference h relative to the arc contact portion.
  • a thickness of the first main contact portion is equal to a thickness of the second main contact portion.
  • the highest point of a curved surface of the first main contact portion and the highest point of a curved surface of the second main contact portion each has a position difference s with a corresponding arc contact portion edge of the corresponding arc contact portion.
  • the highest point of a curved surface of the first main contact portion and the highest point of a curved surface of the second main contact portion each has a position difference s with a corresponding arc contact portion edge of the corresponding arc contact portion.
  • the stationary contact is provided with a stationary contact notch; upon the switch system cutting off the current, an arc generated between the stationary contact portion of the stationary contact and the arc contact portion, the first main contact portion and the second main contact portion of the movable contact can be guided by the stationary contact notch, so that the arc can be quickly transferred to a arc striking piece, thereby protecting the stationary contact portion, the arc contact portion, the first main contact portion and the second main contact portion from being ablated by the arc.
  • one end of the stationary contact is provided with a gradual chamfer part, and the stationary contact portion is arranged on the gradual chamfer part.
  • the other end of the stationary contact is connected with the power supply through a power supply input terminal.
  • the movable contact upon being in the open position relative to the stationary contact, the movable contact is in a P0 position.
  • an angle between the P1 position and the P0 position is A1.
  • the arc contact portion always comes into contact with the stationary contact portion of the stationary contact before a corresponding main contact portion of the first main contact portion and the second main contact portion; the corresponding main contact portion is not in contact with the stationary contact portion of the stationary contact; the oblique angle part of the first movable contact bracket and the second movable contact bracket is not in contact with the bypass contact.
  • an angle between the P2 position and P0 position is A2.
  • the angle A2 and the angle A1 are set as: A2 - A1 > 6°.
  • an angle between the P3 position and P0 position is A3.
  • the corresponding main contact portion starts to contact with the stationary contact portion of the stationary contact, and then the arc contact portion is lifted to separate from the stationary contact portion of the stationary contact.
  • the first movable contact bracket and the second movable contact bracket enter the bypass contact gap and start to contact with the second contact part of the bypass contact.
  • the angle A3 and the angle A1 are set as: A3 - A1 > 8°.
  • the angle A3 and the angle A2 are set as: A3 > A2.
  • an angle between the P4 position and the P0 position is A4.
  • the angle A4 and the angle A3 are set as: A4 - A3 > 10°.
  • the angle A2 and the angle A1 are set as: A2 - A1 > 6°, so as to ensure that the arc contact portion has safety protection for the bypass contact and prevent the bypass contact from becoming the main arc bearer.
  • the angle A3 and the angle A1 are set as: A3 - A1 > 8°, so as to ensure that the arc contact portion has safety protection for the corresponding main contact portion. With the burning loss of arc contact portion in contact life test, this angle difference will be reduced, so the angle difference that is larger than 8° can protect the main contact portion well.
  • the angle A3 and the angle A2 are set as: A3 > A2, so as to ensure that the bypass contact has a protective effect on the corresponding main contact portion.
  • the angle A4 and the angle A3 are set as: A4 - A3 > 10°, so as to ensure that a stable sliding contact process between the main contact portion and the stationary contact portion, and the product protection structure is more stable.
  • the closing operation sequence according to the present disclosure is provided as follows:
  • a parallel circuit is formed upon the movable contact portion arranged on the movable contact contacts the stationary contact portion of the stationary contact and the bypass contact contacts the movable contact; the parallel circuit includes a circuit that the power supply is electrically connected with the load through the stationary contact portion of the stationary contact and the movable contact portion of the movable contact in turn; the parallel circuit further includes a circuit that the power supply is electrically connected with the load through the stationary contact, the bypass contact, and the movable contact in turn.
  • this parallel circuit greatly reduces the possibility of generating an arc between the main contact portion and the stationary contact, and ensures the stability of on and off of the product.
  • the conduction between the bypass contact and the main contact portion occurs after the arc contact portion contacts the stationary contact; in the opening process, the bypass contact is separated from the main contact portion before the arc contact portion is separated from the stationary contact, thus achieving the protection of the arc contact portion on the bypass contact.
  • the bypass contact is elastic as a whole, so that it can elastically press the movable contact against the stationary contact. This is helpful to reduce the mechanical vibration and bounce between the movable contact and the stationary contact in the closing collision process of the switch system, and then reduce the arc-pulling phenomenon between the movable contact and the stationary contact caused by this mechanical vibration and bounce.
  • Fig. 1 shows a switch system in an open state according to an embodiment of the present disclosure.
  • Fig. 2 shows the switch system in a closed state.
  • the switch system includes a stationary contact 1 and a movable contact 2, the stationary contact 1 can be connected to a power supply (not shown) and the movable contact 2 that can be connected to a load (not shown).
  • the movable contact 2 is at an open position, so that the movable contact 2 is not in contact with the stationary contact 1.
  • the movable contact 2 is at a closed position, so that the movable contact 2 is in contact with the stationary contact 1, and the power supply supplies power to the load.
  • stationary contact 1 Although only one stationary contact 1 is shown in Fig. 1 , it can be understood that there may be another stationary contact (not shown) in a mirror image position with respect to the movable contact 2 in the open state, and the another stationary contact has the same configuration as the stationary contact 1 shown in Fig. 1 .
  • the movable contact 2 can be switched between the two stationary contacts.
  • the movable contact 2 has a clamping structure and includes a first movable contact bracket 21 and a second movable contact bracket 22.
  • the first movable contact bracket 21 and the second movable contact bracket 22 are arranged face to face with respect to each other, and one end of the first movable contact bracket 21 is separated from one end of the second movable contact bracket 22.
  • arc contact portions 211, 221, first main contact portions 212, 222 and second main contact portions 213, 223 are respectively provided on the one end of the first movable contact bracket 21 and the one end of the second movable contact bracket 22.
  • the first main contact portions 212, 222 and the second main contact portions 213, 223 are arranged side by side in a width direction (transverse direction) of the first movable contact bracket 21 and the second movable contact bracket 22.
  • the arc contact portions 211, 221 are arranged adjacent to the first main contact portions 212, 222 and the second main contact portions 213, 223 and closer to an outer edge of the one end of the first movable contact bracket 21 and an outer edge of the one end of the second movable contact bracket 22 than the first main contact portions 212, 222 and the second main contact portions 213, 223.
  • the first main contact portions 212, 222 and the second main contact portions 213, 223 are configured for conducting current; and the arc contact portions 211, 221 are configured for withstanding the burning of arc during an opening process.
  • the first main contact portions 212, 222 and the second main contact portions 213, 223, oblique angle parts 214, 224 are provided on the sides of the first movable contact bracket 21 and the second movable contact bracket 22 opposite to the arc contact portions 211, 221, the first main contact portions 212, 222 and the second main contact portions 213, 223, oblique angle parts 214, 224 are provided.
  • the arc contact portions 211, 221, the first main contact portions 212, 222 and the second main contact portions 213, 223 are made of conductive metal materials and are arranged on the one end of the first movable contact bracket 21 and the one end of the second movable contact bracket 22 through welding, electroplating or other methods; or the arc contact portions 211, 221, the first main contact portions 212, 222 and the second main contact portions 213, 223 are integrally formed with the one end of the first movable contact bracket 21 and the one end of the second movable contact bracket 22.
  • the other end of the first movable contact bracket 21 and the other end of the second movable contact bracket 22 are pivotally connected to an outlet terminal 3.
  • the outlet terminal 3 is electrically connected with the load.
  • the movable contact 2 further includes a movable contact sleeve 4 and a pressure spring 5.
  • the first movable contact bracket 21 and the second movable contact bracket 22 are held in the movable contact sleeve 4 under a joint action of the movable contact sleeve 4 and the pressure spring 5, the pressure spring 5 acts between the movable contact sleeve 4 and the first movable contact bracket 21 and between the movable contact sleeve 4 and the second movable contact bracket 22, so as to press the first movable contact bracket 21 and the second movable contact bracket 22 toward each other, the one end of the first movable contact bracket 21 and the one end of the second movable contact bracket 22 extend out of the movable contact sleeve 4.
  • a contact gap exists between the arc contact portion 211, the first main contact portion 212 and the second main contact portion 213 of the first movable contact bracket 21 and the arc contact portion 221, the first main contact portion 222 and the second main contact portion 223 of the second movable contact bracket 22, respectively.
  • a stationary contact portion 11 of the stationary contact 1 can be located in the contact gap and can be in contact with the arc contact portion 211, the first main contact portion 212 and the second main contact portion 213 of the first movable contact bracket 21 and the arc contact portion 221, the first main contact portion 222 and the second main contact portion 223 of the second movable contact bracket 22.
  • the thickness of the first main contact portion 212 and the thickness of the second main contact portion 213 are greater than the thickness of the arc contact portion 211, that is, the first main contact portion 212 and the second main contact portion 213 are higher than the arc contact portion 211, that is, the first main contact portion 212 and the second main contact portion 213 each have a height difference h with respect to the arc contact portion 211.
  • the thickness of the first main contact portion 212 is equal to the thickness of the second main contact portion 213.
  • the thickness of the first main contact portion 222 and the thickness of the second main contact portion 223 are greater than the thickness of the arc contact portion 221, that is, the first main contact portion 222 and the second main contact portion 223 are higher than the arc contact portion 221, that is, the first main contact portion 222 and the second main contact portion 223 each have a height difference h with respect to the arc contact portion 221.
  • the thickness of the first main contact portion 222 is equal to the thickness of the second main contact portion 223.
  • the height difference h is between 0.01 mm and 0.05 mm, preferably 0.03 mm.
  • the highest point of a curved surface of the first main contact portion 212 and the highest point of a curved surface of the second main contact portion 213 each have a position difference s with a corresponding arc contact portion edge of the corresponding arc contact portion 211.
  • the highest point of a curved surface of the first main contact portion 222 and the highest point of a curved surface of the second main contact portion 223 each have a position difference s with a corresponding arc contact portion edge of the corresponding arc contact portion 221.
  • a sleeve driving part 41 is arranged outside the movable contact sleeve 4.
  • a movable contact driving mechanism (not shown) actuates the first movable contact bracket 21 and the second movable contact bracket 22 to rotate between the open position and the closed position by driving the sleeve driving part 41.
  • the sleeve driving part 41 is basically in a shape of an oblate cylinder.
  • a sleeve notch 411 is provided at an outer circumference of the sleeve driving part 41, and a spline-shaped sleeve depression 412 is provided at the center of a top surface of the sleeve driving part 41.
  • a sleeve partition plate 42 is provided inside the movable contact sleeve 4. Under the action of the pressure spring 5, the first movable contact bracket 21 and the second movable contact bracket 22 respectively abut against two sides of the sleeve partition plate 42.
  • Fig. 3 shows a stationary contact 1 and a bypass contact 6 provided on the stationary contact 1 according to the above embodiment of the present disclosure.
  • the stationary contact 1 is provided with a stationary contact notch 12.
  • the arc generated between the stationary contact portion 11 of the stationary contact 1 and the arc contact portions 211, 221, the first main contact portions 212, 222 and the second main contact portions 213, 223 of the movable contact 2 can be guided by the stationary contact notch 12, so that the arc can be quickly transferred to an arc striking piece (not shown), thereby protecting the stationary contact portion 11, the arc contact portions 211, 221, the first main contact portions 212, 222 and the second main contact portions 213, 223 from being ablated by the arc.
  • One end of the stationary contact 1 includes a gradual chamfer part 14, thereby facilitating the insertion of the stationary contact portion 11 of the stationary contact 1 into the contact gap.
  • the stationary contact portion 11 is arranged on the gradual chamfer part 14.
  • the other end of the stationary contact 1 is connected with the power supply (not shown) through a power supply input terminal 7.
  • the bypass contact 6 made of a conductive metal material includes, for example, but not limited to, a first bent part 61, a second contact part 62 and a third bent part 63 bent relative to the second contact part 62 (the third bent part 63 is optional), the first bent part 61 is connected with the third bent part 63 through the second contact part 62.
  • the first bent part 61 is, for example, but not limited to, U-shaped.
  • the first bent part 61 is fixedly arranged on the stationary contact 1, for example, but not limited to, by welding, riveting and the like.
  • the second contact part 62 extends from the first bent part 61 in a direction substantially parallel to a lateral surface 13 of the stationary contact 1, thereby forming a bypass contact gap 64 between the second contact part 62 and the lateral surface 13 of the stationary contact 1.
  • the third bent part 63 extends obliquely from the second contact part 62 in a direction away from the stationary contact 1, thereby forming a bypass contact gap opening 65 between the third bent part 63 and the lateral surface 13 of the stationary contact 1.
  • the bypass contact 6 is elastic as a whole, so that it can elastically press the movable contact 2 against the stationary contact 1. This is helpful to reduce the mechanical vibration and bounce between the movable contact and the stationary contact in the closing collision process of the switch system, and then reduce the arc-pulling phenomenon between the movable contact and the stationary contact caused by this mechanical vibration and bounce.
  • bypass contact 6 provided on one side of the stationary contact 1 is shown in Fig. 3 , it can be understood that another bypass contact 6 may be provided on the other side of the stationary contact 1.
  • the movable contact 2 is at the open position, i.e. a P0 position, relative to the stationary contact 1.
  • the movable contact 2 rotates to a P1 position relative to the stationary contact 1.
  • the angle between the P1 position and the P0 position is A1. Due to the position difference s, at the P1 position, the arc contact portions 211, 221 always come into contact with the stationary contact portion 11 of the stationary contact 1 before corresponding main contact portions (for example, the first main contact portions 212, 222).
  • the corresponding main contact portions (for example, the first main contact portions 212, 222) are not in contact with the stationary contact portion 11 of the stationary contact 1.
  • the oblique angle parts 214, 224 of the first movable contact bracket 21 and the second movable contact bracket 22 are not in contact with the bypass contact 6.
  • the movable contact 2 further rotates to a P2 position relative to the stationary contact 1.
  • the angle between the P2 position and the P0 position is A2.
  • the oblique angle parts 214, 224 of the first movable contact bracket 21 and the second movable contact bracket 22 enter the bypass contact gap openings 65 and start to contact the third bent parts 63 of the bypass contacts 6.
  • the arc contact portions 211, 221 are kept in contact with the stationary contact portion 11 of the stationary contact 1.
  • the corresponding main contact portions (for example, the first main contact portions 212, 222) are kept out of contact with the stationary contact portion 11 of the stationary contact 1.
  • the angle A2 and the angle A1 are set as: A2 - A1 > 6°, so as to ensure that the arc contact portion has safety protection for the bypass contact and prevent the bypass contact from becoming the main arc bearer.
  • the movable contact 2 further rotates to a P3 position relative to the stationary contact 1.
  • the angle between the P3 position and the P0 position is A3. Due to the height difference h, at the P3 position, the corresponding main contact portions (for example, the first main contact portions 212, 222) start to contact the stationary contact portion 11 of the stationary contact 1, and then the arc contact portions 211, 221 are lifted to be separated from the stationary contact portion 11 of the stationary contact 1.
  • the first movable contact bracket 21 and the second movable contact bracket 22 enter the bypass contact gaps 64 and start to contact the second contact parts 62 of the bypass contacts 6.
  • the angle A3 and the angle A1 are set as: A3 - A1 > 8°, so as to ensure that the arc contact portion has safety protection for the corresponding main contact portions. With the burning loss of arc contact portion in contact life test, the angle difference will be reduced, so the angle difference that is larger than 8° can protect the main contact portions well.
  • the angle A3 and the angle A2 are set as: A3 > A2, so as to ensure that the bypass contact can protect the corresponding main contact portions.
  • the movable contact 2 further rotates to a P4 position relative to the stationary contact 1.
  • the angle between the P4 position and the P0 position is A4.
  • the corresponding main contact portions e.g., the first main contact portions 212 and 222
  • the arc contact portions 211, 221 are kept to be separated from the stationary contact portion 11 of the stationary contact 1.
  • the first movable contact bracket 21 and the second movable contact bracket 22 are kept in contact with the second contact parts 62 of the bypass contacts 6 and finally contact with the first bent parts 61 of the bypass contacts 6.
  • the angle A4 and the angle A3 are set as: A4 - A3 > 10°, so as to ensure that a stable sliding contact process between the main contact portions and the stationary contact portion, and the product protection structure is more stable.
  • a parallel circuit is formed upon the movable contact portion arranged on the movable contact 2 being in contact with the stationary contact portion of the stationary contact 1 and the bypass contact 6 being in contact with the movable contact 2.
  • the power supply supplies power to the load through the parallel circuit;
  • the parallel circuit includes a circuit that the power supply is electrically connected with the load through the stationary contact portion of the stationary contact 1 and the movable contact portion of the movable contact 2 in turn;
  • the parallel circuit further includes a circuit that the power supply is electrically connected with the load through the stationary contact 1, the bypass contact 6, the movable contact 2 in turn.
  • the formation of the parallel circuit greatly reduces the possibility of generating arc between the main contact portion and the stationary contact, and ensures the stability of on and off of the product.
  • the conduction between the bypass contact and the main contact portion occurs after the arc contact portion contacts the stationary contact portion; in the opening process, the bypass contact is separated from the main contact portion before the arc contact portion is separated from the stationary contact, thus achieving the protection of the arc contact portion to the bypass contact.
  • any element, action or instruction used herein should not be interpreted as critical or essential.
  • the articles “a” and “an” are intended to include one or more items and can be used interchangeably with “one or more”.
  • the article “the” is intended to include one or more items cited in conjunction with the article “the” and may be used interchangeably with “one or more”.
  • the term “set” is intended to include one or more items (e.g., related items, unrelated items, combinations of related and unrelated items, etc.) and may be used interchangeably with “one or more”. If only one item is intended, the phrase “only one item” or similar language is used.
  • the term “having” and its variants and the like are intended to be open-ended terms. Furthermore, the phrase “based on” is intended to mean “at least partially based on” unless explicitly stated otherwise. In addition, as used herein, the term “or” when used in series is intended to be inclusive and can be used interchangeably with “and/or” unless otherwise specified (for example, if used in combination with “or” or “only one of them”).

Landscapes

  • Breakers (AREA)
  • Arc-Extinguishing Devices That Are Switches (AREA)
  • Keying Circuit Devices (AREA)
  • Small-Scale Networks (AREA)
EP23305448.5A 2022-04-08 2023-03-30 Système de commutation avec contact de dérivation Pending EP4258305A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202220813140.0U CN217719345U (zh) 2022-04-08 2022-04-08 一种具有旁路触头的开关系统

Publications (1)

Publication Number Publication Date
EP4258305A1 true EP4258305A1 (fr) 2023-10-11

Family

ID=83787973

Family Applications (1)

Application Number Title Priority Date Filing Date
EP23305448.5A Pending EP4258305A1 (fr) 2022-04-08 2023-03-30 Système de commutation avec contact de dérivation

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Country Link
EP (1) EP4258305A1 (fr)
CN (1) CN217719345U (fr)
AU (1) AU2023202029B2 (fr)

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE315666C (de) * 1918-07-27 1919-11-10 Kontaktklemme für messer- und trennschalter
GB535810A (en) * 1939-07-05 1941-04-23 George H Scholes & Co Ltd Improvements in or relating to electric contacts
WO2014170528A1 (fr) * 2013-04-15 2014-10-23 Abb Oy Ensemble commutateur électrique
CN104681329A (zh) * 2015-02-27 2015-06-03 支朝乾 双电源转换开关的触头系统
WO2015147824A1 (fr) * 2014-03-27 2015-10-01 Schneider Electric USA, Inc. Contact de commutateur de lame de couteau avec une partie à résistance élevée
WO2019053338A1 (fr) * 2017-09-15 2019-03-21 Abb Oy Commutateur électrique
EP3839995A1 (fr) * 2019-12-19 2021-06-23 ABB Schweiz AG Dispositif de commutateur à couteau

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE315666C (de) * 1918-07-27 1919-11-10 Kontaktklemme für messer- und trennschalter
GB535810A (en) * 1939-07-05 1941-04-23 George H Scholes & Co Ltd Improvements in or relating to electric contacts
WO2014170528A1 (fr) * 2013-04-15 2014-10-23 Abb Oy Ensemble commutateur électrique
WO2015147824A1 (fr) * 2014-03-27 2015-10-01 Schneider Electric USA, Inc. Contact de commutateur de lame de couteau avec une partie à résistance élevée
CN104681329A (zh) * 2015-02-27 2015-06-03 支朝乾 双电源转换开关的触头系统
WO2019053338A1 (fr) * 2017-09-15 2019-03-21 Abb Oy Commutateur électrique
EP3839995A1 (fr) * 2019-12-19 2021-06-23 ABB Schweiz AG Dispositif de commutateur à couteau

Also Published As

Publication number Publication date
CN217719345U (zh) 2022-11-01
AU2023202029A1 (en) 2023-10-26
AU2023202029B2 (en) 2024-05-23

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Designated state(s): AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC ME MK MT NL NO PL PT RO RS SE SI SK SM TR