CN110391100B - Automatic change-over switch electric appliance with front-mounted driving device - Google Patents

Automatic change-over switch electric appliance with front-mounted driving device Download PDF

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Publication number
CN110391100B
CN110391100B CN201910515979.9A CN201910515979A CN110391100B CN 110391100 B CN110391100 B CN 110391100B CN 201910515979 A CN201910515979 A CN 201910515979A CN 110391100 B CN110391100 B CN 110391100B
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China
Prior art keywords
driving device
standby
power contact
rotating shaft
common
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CN201910515979.9A
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CN110391100A (en
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唐军
朱熔吾
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SHENZHEN TAIYONG ELECTRICAL TECHNOLOGY CO LTD
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SHENZHEN TAIYONG ELECTRICAL TECHNOLOGY CO LTD
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    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01HELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H3/00Mechanisms for operating contacts
    • H01H3/32Driving mechanisms, i.e. for transmitting driving force to the contacts
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01HELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H9/00Details of switching devices, not covered by groups H01H1/00 - H01H7/00
    • H01H9/20Interlocking, locking, or latching mechanisms
    • H01H9/26Interlocking, locking, or latching mechanisms for interlocking two or more switches

Abstract

The invention relates to an automatic transfer switching electric appliance with a front-mounted driving device, which comprises a mounting plate, a main loop device and a driving device, wherein the main loop device is mounted in front of the mounting plate, the driving device is used for providing driving force for the main loop device, and the driving device is mounted on the mounting plate in an overhead mode and is positioned in front of the main loop device. According to the automatic change-over switch electric appliance with the front-mounted driving device, the driving device is arranged in front of the main loop device in an overhead mode, so that the automatic change-over switch electric appliance is convenient to assemble and repair, the driving device does not occupy the space on two sides inside the change-over switch electric appliance, the width size of the automatic change-over switch electric appliance is obviously reduced, the size specification of a switch cabinet required for installing the change-over switch electric appliance can be greatly reduced, the cost is effectively reduced, and the space waste is reduced.

Description

Automatic change-over switch electric appliance with front-mounted driving device
Technical Field
The invention relates to the field of low-voltage electric appliances, in particular to an automatic change-over switch electric appliance with a front-mounted driving device.
Background
The change-over switch electric appliance is a common low-voltage electric appliance, is often used for switching two paths of power supplies in important power distribution occasions (such as data centers), and ensures that the power supplies in common use are rapidly switched to a standby power supply when the power supplies in the power supply process break down, thereby ensuring the normal power supply of a load end. In a modern power distribution system, a transfer switch appliance is used as an important appliance element in a complete set of appliances and is generally installed in a switch cabinet, the structure and the size of the switch cabinet are specified by IEC and national standards, a series of standard sizes exist, the width size of the switch cabinet is the most important, the installation width of the appliance element needs to be matched with the size of the switch cabinet, if the installation width of the appliance element is too large, the switch cabinet with a larger size specification and a special customized switch cabinet can only be selected, and the cost and the space are greatly wasted.
The patent document with the patent number of CN201821378908.6 and the name of 'a novel automatic change-over switch electric appliance with temperature rise monitoring' discloses a common change-over switch electric appliance structure, the drive device is arranged on the left side of a contact conductive system and an arc extinguisher, a wiring terminal, a manual operation button, the uniform distribution of a manual operation handle connecting rod is arranged on the drive device, the connection part of the drive device and a square shaft, an auxiliary contact and the like occupy the space on two sides inside the change-over switch electric appliance, the width of the change-over switch electric appliance is large, a switch cabinet with a large size must be selected and matched, and the cost and the space are greatly wasted. In addition, when drive arrangement ordered common power and stand-by power supply contact divide-shut brake, because main circuit mechanism equidistance is arranged and is installed on the drive square shaft, drive power needs to be transmitted to the other end from the one end of square shaft, cause the square shaft yielding, power conduction is unbalanced simultaneously, influence the every looks synchronism of automatic transfer switch electrical apparatus contact group, make the switch burn out easily, simultaneously because transfer switch electrical apparatus installs inside the cubical switchboard body, transfer switch electrical apparatus's binding post, manual operation button, manual operation handle connecting rod arranges in both sides, make the customer easily blockked by the cubical switchboard cabinet body when installing the use, it is very inconvenient.
Disclosure of Invention
The present invention is directed to a front-mounted driving device automatic transfer switching apparatus, which has a small width and can be installed in a small-sized switch cabinet.
The technical scheme adopted by the invention for solving the technical problems is as follows: the front-mounted driving device automatic transfer switching equipment comprises a mounting plate, a main loop device and a driving device, wherein the main loop device is mounted in front of the mounting plate, the driving device is used for providing driving force for the main loop device, and the driving device is mounted on the mounting plate in an overhead mode and is located in front of the main loop device.
In some embodiments, the drive means is mounted overhead at a forward mid-portion of the mounting plate by a bridge bracket.
In some embodiments, the main loop device includes a common power contact conducting system, a standby power contact conducting system and an arc extinguishing assembly, the common power contact conducting system includes a common power contact assembly and a common side rotating shaft, the standby power contact conducting system includes a standby power contact assembly and a standby side rotating shaft, the driving device is connected with the common power contact assembly and the standby power contact assembly through the common side rotating shaft and the standby side rotating shaft respectively, and the common power contact assembly and the standby power contact assembly are controlled to be disconnected and closed.
In some embodiments, the common side rotating shaft and the standby side rotating shaft are square shafts.
In some embodiments, a common side connecting rod connected with the driving device and a common side rocker arm connected with the common power contact assembly are mounted on the common side rotating shaft;
and a standby side connecting rod connected with the driving device and a standby side rocker arm connected with the standby power supply contact assembly are installed on the standby side rotating shaft.
In some embodiments, the common side link and the common side rocker arm are respectively provided with a common side opening matched with the common side rotating shaft, and the standby side link and the standby side rocker arm are respectively provided with a standby side opening matched with the standby side rotating shaft.
In some embodiments, the common side connecting rod and the common side rocker arm are tightly assembled on the common side rotating shaft through a clamp, and the spare side connecting rod and the spare side rocker arm are tightly assembled on the spare side rotating shaft through a clamp.
In some embodiments, the driving device includes a main bracket and a shifting member slidably mounted on the main bracket, and the common side link and the standby side link are respectively provided with a sliding slot for slidably mounting the shifting member.
In some embodiments, the front-mounted drive automatic transfer switching apparatus further comprises a power status indicating device, an auxiliary contact assembly, and a terminal mounted on the drive.
In some embodiments, the front-mounted driving device automatic transfer switching apparatus further comprises an operating handle and/or an operating button mounted on the driving device.
The implementation of the invention has at least the following beneficial effects: according to the automatic change-over switch electric appliance with the front-mounted driving device, the driving device is arranged in front of the main loop device in an overhead mode, so that the automatic change-over switch electric appliance is convenient to assemble and repair, the driving device does not occupy the space on two sides inside the change-over switch electric appliance, the width size of the automatic change-over switch electric appliance is obviously reduced, the size specification of a switch cabinet required for installing the change-over switch electric appliance can be greatly reduced, the cost is effectively reduced, and the space waste is reduced.
Drawings
The invention will be further described with reference to the accompanying drawings and examples, in which:
FIG. 1 is a schematic diagram of the internal structure of a front-mounted drive automatic transfer switching apparatus according to some embodiments of the present invention;
FIG. 2 is a schematic diagram of an internal structure of a front-mounted driving device automatic transfer switching apparatus according to some embodiments of the present invention after an arc extinguishing assembly is hidden;
FIG. 3 is a schematic diagram of a structure of a front-mounted driving device for an automatic transfer switching apparatus according to some embodiments of the present invention, the driving device being coupled to a common side rotating shaft, a common power contact assembly, a backup side rotating shaft, and a backup power contact assembly;
FIG. 4 is a schematic diagram of a front-mounted drive mechanism for an automatic transfer switching apparatus according to some embodiments of the present invention;
FIG. 5 is a schematic view of the mounting position of the operating handle and auxiliary contact assembly of the front-mounted drive automatic transfer switching apparatus according to some embodiments of the present invention;
fig. 6 is a schematic view showing the installation positions of an operation handle and an operation button of the front type driving device automatic transfer switching apparatus according to some embodiments of the present invention.
Detailed Description
For a more clear understanding of the technical features, objects and effects of the present invention, embodiments of the present invention will now be described in detail with reference to the accompanying drawings.
As shown in fig. 1 to 2, the front-mounted driving apparatus automatic transfer switching apparatus according to some embodiments of the present invention may include a mounting plate 1, a main circuit apparatus 2 mounted in front of the mounting plate 1, and a driving apparatus 3 for providing a driving force to the main circuit apparatus 2, the driving apparatus 3 being mounted on the mounting plate 1 in an overhead manner and located in front of the main circuit apparatus 2. Different from the traditional left-hand or right-hand scheme of the driving device, the driving device 3 is arranged in front of the main loop device 2 in an overhead mode, so that the assembly and the repair are convenient, the driving device 3 does not occupy the space on two sides inside the change-over switch electrical appliance, the width size of the automatic change-over switch electrical appliance is obviously reduced, the size specification of a switch cabinet required by the change-over switch electrical appliance can be greatly reduced, the cost is effectively reduced, and the space waste is reduced.
In some embodiments, the drive means 3 may be mounted overhead in the front middle of the mounting plate 1 by a bridge bracket 4. The mounting plate 1 can be an insulating plate to separate the main circuit device 2 and the driving device 3 from the switch cabinet, so that electric shock is avoided when people operate, and safety is improved.
The main circuit device 2 may generally include a common power contact conductive system 21, a backup power contact conductive system 22, and an arc extinguishing assembly 23. The common power contact conductive system 21 may include a common power contact assembly 211 and a common side shaft 212, and the backup power contact conductive system 22 may include a backup power contact assembly 221 and a backup side shaft 222. In general, the common power contact conducting system 21 may include at least one common power contact assembly 211 disposed along the extending direction of the common side rotating shaft 212, and the at least one common power contact assembly 211 may be distributed on both sides of the control device 3; the backup power contact conductive system 22 may include at least one backup power contact assembly 221 disposed along an extension direction of the backup-side rotation shaft 222, and the at least one backup power contact assembly 221 may be distributed on both sides of the control device 3. In this embodiment, the number of the common power contact assemblies 211 and the number of the standby power contact assemblies 221 are four, and the four common power contact assemblies 211 and the four standby power contact assemblies 221 are uniformly distributed on two sides of the control device 3. The arc extinguishing assembly 23 may generally include a plurality of arc extinguishing chambers, which are respectively disposed corresponding to the common power contact assembly 211 and the standby power contact assembly 221, so that the switching-on and switching-off operations of the common power contact assembly 211 and the standby power contact assembly 221 are all completed in the arc extinguishing chamber, and the arc extinguishing chambers extinguish the arc.
The driving device 3 is connected to the common power contact assembly 211 and the standby power contact assembly 221 through the common side rotating shaft 212 and the standby side rotating shaft 222, respectively, and controls the opening and closing of the common power contact assembly 211 and the standby power contact assembly 221. The normal-side rotation shaft 212 and the standby-side rotation shaft 222 are parallel to each other and may extend in the arrangement direction of the main circuit device 2. Because the driving device 3 is installed in front of the common-side rotating shaft 212 and the standby-side rotating shaft 222, the driving device 3 can be conveniently connected and assembled with the common-side rotating shaft 212 and the standby-side rotating shaft 222. The normal-side rotating shaft 212 and the standby-side rotating shaft 222 may be non-circular shafts such as square shafts and D-shaped shafts, so as to rotate in conjunction with the components mounted thereon. In the present embodiment, the normal-side rotating shaft 212 and the standby-side rotating shaft 222 are square shafts. In other embodiments, the common side rotating shaft 212 and the standby side rotating shaft 222 may also be circular shafts, and then are fixed by a connecting member such as a pin shaft, so as to realize linkage.
As shown in fig. 3 to 4, the normal-side rotating shaft 212 may be provided with a normal-side link 321 connected to the driving device 3 and a normal-side rocker arm 213 connected to the normal-side power contact assembly 211, and the standby-side rotating shaft 222 may be provided with a standby-side link 322 connected to the driving device 3 and a standby-side rocker arm 223 connected to the standby-side power contact assembly 221. The driving device 3 may include a main bracket 31 and a toggle member 33 slidably mounted on the main bracket 31. The normal side link 321 and the standby side link 322 are both provided with a sliding groove 323, and the sliding groove 323 may be a track type in some embodiments. The toggle member 33 is slidably mounted in the sliding slot 323, when the driving device 3 operates to slide the toggle member 33, the toggle member 33 drives the common side connecting rod 321 or the standby side connecting rod 322 to rotate, and further drives the common side rotating shaft 212 or the standby side rotating shaft 222 to rotate, and then drives the common side rocker arm 213 or the standby side rocker arm 223 to rotate, and the common side rocker arm 213 or the standby side rocker arm 223 further drives the movable contact of the common power contact assembly 211 or the standby power contact assembly 221 to move, so as to control the breaking and closing of the common power contact assembly 211 or the standby power contact assembly 221, and thus, the conversion of two power supplies of the common power supply and the standby power supply is realized. Meanwhile, due to the fact that the front arrangement mode of the driving device 3 and the installation position of the driving device 3 are centered, when power is transmitted to the common power contact conducting system 21 or the standby power contact conducting system 22 through the common side rotating shaft 212 and the standby side rotating shaft 222 by the driving device 3, force is conducted more directly and more evenly, energy loss is lower, switching-on and switching-off speeds of the common power contact assembly 211 and the standby power contact assembly 221 are improved, and motion synchronism of each phase of contact is guaranteed.
In some embodiments, the common side link 321 and the common side rocker 213 may be fastened and assembled on the common side rotating shaft 212 by means of a clip, and the spare side link 322 and the spare side rocker 223 may be fastened and assembled on the spare side rotating shaft 222 by means of a clip, so that assembly of a product and conduction of driving force may be facilitated, and the number of parts may be reduced. The common side link 321 and the common side rocker 213 can be respectively provided with a common side opening 324 matched with the common side rotating shaft 212, and the common side link 321 and the common side rocker 213 can be clamped and installed on the common side rotating shaft 212 through the respective common side openings 324 and can be fastened through screws. Spare side link 322, spare side rocker 223 all have seted up with spare side pivot 222 matched with spare side opening 325 on, spare side link 322, spare side rocker 223 accessible this spare side opening 325 clamp installation on spare side pivot 222 to accessible screw fastening.
As shown in fig. 5 to 6, the front-drive automatic transfer switching apparatus may further include a power state indicating device 9, an auxiliary contact assembly 8, and a connection terminal 5 mounted on the drive device 3 in some embodiments. The power status indicator 9 is used to indicate the position status of the common power source and the standby power source, and there may be two power status indicators 9, which are linked with the common side rotating shaft 212 and the standby side rotating shaft 222 respectively.
In some embodiments, the front-mounted driving device automatic transfer switching apparatus may further include an operation handle 6 and/or an operation button 7 mounted on the driving device 3 to facilitate driving of the driving device 3 by a manual operation. Wherein, the operating handle 6 can be installed on one side wall of the main bracket 31 of the driving device 3 through the operating handle connecting rod 35 and is linked with the driving device 3. The operation buttons 7 may be installed on a front sidewall of the main stand 31 for a user to operate and use.
Because operating handle 6, operating handle connecting rod 35, operating button 7, power state indicating device 9, supplementary contact subassembly 8 and binding post 5 all arrange on drive arrangement 3's main support 31, and drive arrangement 3 installation sets up the centre position in the place ahead of main loop device 2 to do not occupy change over switch electrical apparatus inside both sides space, make change over switch electrical apparatus's width less, can install in the cubical switchboard of less size, application scope is wider. Meanwhile, the operating handle 6, the operating button 7 and the wiring terminal 5 are all located in the middle of the change-over switch electric appliance, the human engineering principle is met, the installation and the use of a customer are very convenient, and the hidden danger caused by the switch cabinet body and the cabinet door is avoided.
It is to be understood that the above-described respective technical features may be used in any combination without limitation.
The above examples only express the preferred embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the present invention; it should be noted that, for those skilled in the art, the above technical features can be freely combined, and several changes and modifications can be made without departing from the concept of the present invention, which all belong to the protection scope of the present invention; therefore, all equivalent changes and modifications made within the scope of the claims of the present invention should be covered by the claims of the present invention.

Claims (9)

1. The automatic transfer switching electric appliance is characterized by comprising a mounting plate (1), a main loop device (2) arranged in front of the mounting plate (1) and a driving device (3) for providing driving force for the main loop device (2), wherein the driving device (3) is arranged on the mounting plate (1) in an overhead mode and is positioned in front of the main loop device (2);
main loop arrangement (2) are including power contact conducting system (21) and stand-by power contact conducting system (22) commonly used, power contact conducting system (21) commonly used is including power contact subassembly (211) commonly used and side pivot (212) commonly used, stand-by power contact conducting system (22) are including stand-by power contact subassembly (221) and reserve side pivot (222), drive arrangement (3) are passed through respectively power contact subassembly (211), reserve side pivot (222) commonly used with power contact subassembly (211), reserve power contact subassembly (221) are connected, control the disjunction and the closure of power contact subassembly (211), reserve power contact subassembly (221) commonly used.
2. The automatic transfer switching apparatus of a front-mounted driving device according to claim 1, wherein the driving device (3) is mounted in the front middle of the mounting plate (1) via a bridge bracket (4) in an overhead manner.
3. The forward-drive automatic transfer switching apparatus according to claim 1, wherein the normal-side rotating shaft (212) and the standby-side rotating shaft (222) are square shafts.
4. The forward-drive automatic transfer switching apparatus according to claim 1, wherein the common side rotating shaft (212) is provided with a common side connecting rod (321) connected with the drive device (3) and a common side rocker arm (213) connected with the common power contact assembly (211);
and a standby side connecting rod (322) connected with the driving device (3) and a standby side rocker arm (223) connected with the standby power supply contact assembly (221) are arranged on the standby side rotating shaft (222).
5. The automatic transfer switching apparatus of the front-mounted driving device according to claim 4, wherein the common side link (321) and the common side rocker (213) are respectively provided with a common side opening (324) engaged with the common side rotating shaft (212), and the standby side link (322) and the standby side rocker (223) are respectively provided with a standby side opening (325) engaged with the standby side rotating shaft (222).
6. The forward drive automatic transfer switching apparatus according to claim 4, wherein the normal side link (321) and the normal side rocker (213) are fastened and assembled to the normal side rotating shaft (212) by means of a clip, and the standby side link (322) and the standby side rocker (223) are fastened and assembled to the standby side rotating shaft (222) by means of a clip.
7. The automatic transfer switching apparatus of the front-mounted driving device according to claim 4, wherein the driving device (3) comprises a main bracket (31) and a shifting member (33) slidably mounted on the main bracket (31), and the common side link (321) and the standby side link (322) are respectively provided with a sliding groove (323) for slidably mounting the shifting member (33).
8. The forward drive automatic transfer switching apparatus according to claim 2, further comprising a power status indicating device (9), an auxiliary contact assembly (8), and a connection terminal (5) mounted on the drive (3).
9. The forward drive automatic transfer switching apparatus according to claim 2, further comprising an operating handle (6) and/or an operating button (7) mounted on the drive means (3).
CN201910515979.9A 2019-06-14 2019-06-14 Automatic change-over switch electric appliance with front-mounted driving device Active CN110391100B (en)

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CN201910515979.9A CN110391100B (en) 2019-06-14 2019-06-14 Automatic change-over switch electric appliance with front-mounted driving device

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CN201910515979.9A CN110391100B (en) 2019-06-14 2019-06-14 Automatic change-over switch electric appliance with front-mounted driving device

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CN110391100B true CN110391100B (en) 2021-05-18

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Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN201868275U (en) * 2010-10-15 2011-06-15 浙江富隆电气有限公司 Dual-power supply transfer switch
CN204464102U (en) * 2015-02-25 2015-07-08 杭州之江开关股份有限公司 A kind of automatic change-over stroke adjusting device
CN208014579U (en) * 2018-04-18 2018-10-26 施耐德电器工业公司 Driving device and dual-power transfer switch for dual-power transfer switch

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN201868275U (en) * 2010-10-15 2011-06-15 浙江富隆电气有限公司 Dual-power supply transfer switch
CN204464102U (en) * 2015-02-25 2015-07-08 杭州之江开关股份有限公司 A kind of automatic change-over stroke adjusting device
CN208014579U (en) * 2018-04-18 2018-10-26 施耐德电器工业公司 Driving device and dual-power transfer switch for dual-power transfer switch

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