CN211428097U - Protective device for low-voltage alternating-current contactor - Google Patents
Protective device for low-voltage alternating-current contactor Download PDFInfo
- Publication number
- CN211428097U CN211428097U CN202020310898.3U CN202020310898U CN211428097U CN 211428097 U CN211428097 U CN 211428097U CN 202020310898 U CN202020310898 U CN 202020310898U CN 211428097 U CN211428097 U CN 211428097U
- Authority
- CN
- China
- Prior art keywords
- contactor
- low
- voltage alternating
- current contactor
- dust
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Distribution Board (AREA)
Abstract
The utility model provides a protective device for a low-voltage alternating current contactor, which comprises a contactor installation guide rail, wherein the low-voltage alternating current contactor is fixedly installed on the contactor installation guide rail; the dust blocking plate is arranged on the contactor mounting guide rail and blocks the first surface and two side surfaces of the low-voltage alternating current contactor; the dust cover is arranged on the contactor mounting guide rail and blocks the second surface and the top surface of the low-voltage alternating current contactor; the terminal stop blocks are arranged at two ends of the contactor mounting guide rail and comprise a first terminal stop block arranged on the outer side of the dust baffle and a second terminal stop block arranged on the outer side of the dust cover; the dustproof cover and the dust baffle are connected to form a protection space, and the low-voltage alternating current contactor is arranged in the protection space.
Description
Technical Field
The utility model relates to a protector for low pressure ac contactor belongs to the low pressure ac device field.
Background
The utility model discloses a to industry conversion and transmission field, the main circuit ac contactor that carries out the precharge for the IGBT module in the converter cabinet can be arranged above the cable chamber of converter cabinet one time usually according to actual conditions needs, its arc extinguishing medium is the air, its sound contact is that the branch is opened and shut through solenoid under the air circumstance; the installation matching mode is that standard guide rails with the width of 35mm and the thickness of 1mm are installed and fixed; converter cabinet when the installation of equipment room, through once big cable between a plurality of equipment, control cable, optic fibre etc. carry out electricity and signal communication connection, for satisfying installation period needs such as cable, the cabinet door of converter cabinet can be opened according to actual installation condition needs and last a period of time or even more than a week, and the construction of equipment room is for reaching schedule and make things convenient for equipment business turn over needs, can install equipment on preset position before the fitment of equipment room usually, the more abominable dust ratio of indoor environment this moment is many, low pressure ac contactor if not carry out dust protection and handle, fly upward the dust gets into and adheres to on the sound contact in the contactor, can lead to the actuation inhomogeneous or the actuation not up, directly lead to the local overheat of contactor or even inefficacy, cause quality and economic problem that the outage converter leads to.
SUMMERY OF THE UTILITY MODEL
To the above-mentioned technical problem that exists among the prior art, the utility model provides a protector for low pressure ac contactor can block dust and dust, avoids the dust too much to lead to its sound contact actuation inefficacy problem of low pressure ac contactor in the converter cabinet.
In order to realize the utility model discloses the purpose above, the utility model provides a protector for low pressure ac contactor, include:
the contactor installation guide rail is fixedly provided with a low-voltage alternating current contactor;
the dust blocking plate is arranged on the contactor mounting guide rail and blocks the first surface and two side surfaces of the low-voltage alternating current contactor;
the dust cover is arranged on the contactor mounting guide rail and blocks the second surface and the top surface of the low-voltage alternating current contactor;
the terminal stop blocks are arranged at two ends of the contactor mounting guide rail and comprise a first terminal stop block arranged on the outer side of the dust baffle and a second terminal stop block arranged on the outer side of the dust cover;
the dustproof cover and the dust baffle are connected to form a protection space, and the low-voltage alternating current contactor is arranged in the protection space.
The utility model is further improved in that the dust baffle comprises a main baffle connected with the contactor installation guide rail, and two sides of the main baffle are respectively provided with a side baffle; a side folded edge is arranged on one side of the side baffle plate, which is far away from the main baffle plate, and an upper folded edge is arranged on the upper edge of the side baffle plate; the side folded edge and the upper folded edge are detachably connected with the dust cover.
The utility model discloses a further improvement lies in, the cross-section of the main part of contactor installation guide rail is U type structure, and its upper surface is provided with the support low pressure ac contactor's support edge.
The utility model discloses a further improvement lies in, the bottom of main baffle is provided with the first bayonet socket of rectangle, first bayonet socket with the main part looks adaptation of contactor installation guide rail, the both sides of the upper end of first bayonet socket are provided with the card seam, the card seam with support along the phase-match.
The utility model discloses a further improvement lies in, be provided with business turn over line and louvre on the side shield, business turn over line and louvre pass through low pressure ac contactor's business turn over line, and right low pressure ac contactor dispels the heat.
The utility model is further improved in that the dust cover comprises a main cover plate connected with the contactor mounting guide rail, and a top plate is arranged at the top end of the main cover plate; the edge of the top plate is provided with a clamping plate;
the main cover plate is connected with the side folding edges, the top plate is connected with the upper folding edges, and the clamping plate is clamped at the upper part of the outer side of the main baffle.
The utility model discloses a further improvement lies in, the side hem with all be provided with first through-hole on the last hem, the both sides of main cover plate and the both sides of roof all are provided with the second through-hole, first through-hole with the second through-hole sets up relatively and links to each other through bolt or rivet.
The utility model discloses a further improvement lies in, the bottom of main cover plate be provided with the second bayonet socket that contactor installation guide rail links to each other.
The utility model discloses a further improvement lies in, the ash blocking plate is the metal sheet.
The utility model discloses a further improvement lies in, the dust cover is the transparent cover body.
Compared with the prior art, the utility model has the advantages of:
the utility model discloses a protector for low pressure ac contactor can block dust and dust, avoids the dust too much to lead to its sound contact actuation inefficacy problem of low pressure ac contactor in the converter cabinet. The dust baffle and the dust cover can be detached, and the replacement and the maintenance are convenient. The incoming and outgoing lines and the heat dissipation holes can provide incoming and outgoing lines channels, and have a heat dissipation function, so that normal operation of equipment is guaranteed.
Drawings
Preferred embodiments of the present invention will be described in detail below with reference to the accompanying drawings, in which:
fig. 1 is a schematic structural view of a protector for a low-voltage ac contactor according to an embodiment of the present invention, showing a side structure;
fig. 2 is a schematic structural view of a protector for a low-voltage ac contactor according to an embodiment of the present invention, showing a front structure;
fig. 3 is a schematic structural view of a protector for a low-voltage ac contactor according to an embodiment of the present invention, showing a back structure;
fig. 4 is a schematic structural view of a protector for a low-voltage ac contactor according to an embodiment of the present invention, showing a disassembled structure;
fig. 5 is a schematic structural view of the dust barrier according to an embodiment of the present invention, showing a three-dimensional state;
fig. 6 is a schematic structural view of the dust barrier according to an embodiment of the present invention, showing a front state;
fig. 7 is a schematic structural view of a dust cover according to an embodiment of the present invention.
In the drawings, like parts are provided with like reference numerals. The figures are not drawn to scale.
The meaning of the reference symbols in the drawings is as follows: 1. dust guard, 2, dust cover, 3, contactor installation guide rail, 4, terminal dog, 11, main baffle, 12, side baffle, 13, side hem, 14, last hem, 15, first through-hole, 16, first bayonet socket, 17, business turn over line and louvre, 21, main cover board, 22, roof, 23, second through-hole, 24, second bayonet socket, 25, card fixed board, 31, low-voltage ac contactor, 41, first terminal dog, 42, second terminal dog.
Detailed Description
In order to make the technical solutions and advantages of the present invention more clearly understood, the following description is made in further detail with reference to the accompanying drawings. It is obvious that the described embodiments are only a part of the embodiments of the present invention, and not an exhaustive list of all embodiments. And the embodiments and features of the embodiments may be combined with each other without conflict.
Fig. 1 schematically shows a protection device for a low-voltage ac contactor 31 according to an embodiment of the present invention, which includes a contactor mounting rail 3, the contactor mounting rail 3 is a structure of a long bar shape, and the low-voltage ac contactor 31 is fixedly mounted on the contactor mounting rail 3. In the present embodiment, one side surface of the low-voltage ac contactor 31 is a first surface, a surface opposite to the first surface is a second surface, and both sides are side surfaces. The contactor installation guide rail 3 is provided with an ash blocking plate 1, and the ash blocking plate 1 is of a U-shaped structure and can block a first surface and two side surfaces of the low-voltage alternating current contactor 31. And a dust cover 2 is arranged on the contactor mounting guide rail 3, and the dust cover 2 blocks the second surface and the top surface of the low-voltage alternating current contactor 31. And terminal stoppers 4 are arranged at two ends of the contactor mounting guide rail 3, and each terminal stopper 4 comprises a first terminal stopper 414 arranged at the outer side of the dust guard 1 and a second terminal stopper 424 arranged at the outer side of the dust guard 2. The dust cover 2 and the dust baffle 1 are connected to form a protection space, the low-voltage alternating current contactor 31 is arranged in the protection space, the dust cover 2 and the dust baffle 1 are arranged between the first terminal stop 414 and the second terminal stop 424, and the first terminal stop 414 and the second terminal stop 424 limit and extrude the dust cover 2 and the dust baffle 1 to be connected.
According to the protection device for low-voltage AC contactor 31 of this embodiment, as shown in fig. 1, fig. 2 and fig. 3, the dust cover 2 with the dust baffle 1 links to each other and forms the protection space, low-voltage AC contactor 31 sets up in the protection space, can block dust and dust, avoid the too much dust to lead to its sound contact actuation of low-voltage AC contactor 31 in the converter cabinet to become invalid problem.
In one embodiment, as shown in fig. 5, the dust barrier 1 includes a main barrier 11 and a side barrier 12, and the main barrier 11 has a rectangular structure and is connected to the contactor mounting rail 3. The number of the side baffles 12 is two, the side baffles are respectively arranged at two sides of the main baffle 11, and the side baffles and the main baffle 11 form a U-shaped structure. And a side folding edge 13 is arranged on one side of the side baffle 12, which is far away from the main baffle 11, and an upper folding edge 14 is arranged on the upper edge of the side baffle 12. The side folding edges 13 are perpendicular to the side baffle plates 12 and are parallel to the main baffle plate 11; the upper folded edges 14 are respectively arranged perpendicular to the side baffle plates 12 and the main baffle plate 11. Wherein, the side folding edge 13 and the upper folding edge 14 are detachably connected with the dust cover 2.
In one embodiment, the body of the contactor mounting rail 3 is a U-shaped structure in cross-section, comprising a bottom plate and two side plates. The upper ends of the two side plates are provided with supporting edges which are horizontally arranged and used for supporting the low-voltage alternating-current contactor 31.
In a preferred embodiment, as shown in fig. 6, a rectangular first bayonet 16 is provided at the bottom of the main baffle 11, the first bayonet 16 is matched with the main body of the contactor mounting rail 3, and a clamping seam is provided at both sides of the upper end of the first bayonet 16 and matched with the supporting edge.
In use of the protective device according to the present exemplary embodiment for a low-voltage ac contactor 31, the contactor mounting rail 3 is inserted into the first bayonet opening 16, wherein the support edge is arranged in the card slot. Thus, after the contactor installation guide rail 3 is connected with the dust baffle 1, the contactor cannot fall off due to the clamping joint and the support edge. During installation, the first bayonet 16 of the dust shield 1 is inserted along the end of the contactor installation rail 3.
In one embodiment, as shown in fig. 4 and 5, the side baffle 12 is provided with an inlet/outlet line and a heat dissipation hole 17, and the inlet/outlet line and the heat dissipation hole 17 passes through the inlet/outlet line of the low-voltage ac contactor 31 and dissipates heat from the low-voltage ac contactor 31. In this embodiment, the wire inlet/outlet and heat dissipation holes 17 are disposed at the lower end of the side baffles 12 and are configured in a semicircular structure, wherein the wire inlet/outlet and heat dissipation holes 17 of one side baffle 12 provide wire inlet holes for the low-voltage ac contactor 31, and the wire inlet/outlet and heat dissipation holes 17 of the other side baffle 12 provide wire outlet holes for the low-voltage ac contactor 31.
In the protection device for the low-voltage ac contactor 31 according to the embodiment, the inlet and outlet lines and the heat dissipation holes 17 are arranged to provide a path for the low-voltage ac contactor 31 to enter and exit. Meanwhile, the incoming and outgoing lines and the heat dissipation holes 17 can play a role in heat dissipation, so that the heat of the low-voltage alternating current contactor 31 is reduced, the normal working temperature is achieved, and the safety of equipment is guaranteed.
In one embodiment, as shown in fig. 7, the dust cover 2 includes a main cover plate 21 connected to the contactor mounting rail 3, and a top plate 22 is provided at a top end of the main cover plate 21. The height and width of the main cover plate 21 are the same as those of the main baffle plate 11 of the dust baffle plate 1, and the main cover plate 21 and the main baffle plate 11 are arranged in parallel, and the distance between the two forms a protection space for installing the low-voltage alternating current contactor 31. The edge of the top plate 22 is provided with a locking plate 25, and the length of the locking plate 25 is smaller than the height of the main baffle plate 11 and is arranged outside the main baffle plate 11. The main cover plate 21 is connected to the side flange 13, the top plate 22 is connected to the upper flange 14, and the locking plate 25 is locked to an upper portion of the outer side of the main cowl 11.
In the protection device for the low-voltage ac contactor 31 according to the embodiment, the dust cover 2 forms a semi-enclosed structure, forms a housing in cooperation with the dust baffle 1, forms a protection space between the lights, and the low-voltage ac contactor 31 is located in the protection space. The clamping plate 25 can clamp the upper end of the dust baffle 1 to fix the dust baffle.
In one embodiment, the side folding edges 13 and the upper folding edge 14 are provided with first through holes 15, two sides of the main cover plate 21 and two sides of the top plate 22 are provided with second through holes 23, and the first through holes 15 and the second through holes 23 are arranged oppositely and connected through bolts or rivets.
In the protector for the low-voltage ac contactor 31 according to the present embodiment, the side folded edge 13 is provided with a first through hole 15, and the upper folded edge 14 is provided with a first through hole 15. First through-hole 15 can be the screw hole, and the screw thread of the screw or the bolt of installation and the screw thread phase-match of screw hole when connecting dust cover 2 and dust board 1, only need screw up the bolt can, connect firmly and dismantle the convenience. The first through hole 15 may be a common through hole, and is connected to the second through hole 23 by a rivet.
In one embodiment, as shown in fig. 7, the bottom of the main housing plate 21 is provided with a second bayonet 24 connected to the contactor mounting rail 3. In the present embodiment, the second bayonet 24 has a rectangular configuration, has a length equal to the sum of the lengths of the main body and the support edge of the contactor mounting rail 3, and can be inserted from above the contactor mounting rail 3 when mounted. The second bayonet 24 may also be of the same construction as the first bayonet 16, provided with a bayonet slot for engagement with the support edge, and which may be inserted from the end of the contactor mounting rail 3 during installation.
In one embodiment, the dust baffle 1 is a metal plate, which can have good heat dissipation effect besides dust baffle, and has high strength, and can protect the low-voltage ac contactor 31 to avoid deformation and damage of the ac contactor when being mounted and fixed.
In a preferred embodiment, the dust cap 2 is a transparent cap. Preferably, the dust cover 2 is a transparent PC board. The dust cover 2 is arranged to be a transparent plate, so that the condition inside can be observed conveniently.
While the preferred embodiments of the present invention have been described, additional variations and modifications in those embodiments may occur to those skilled in the art once they learn of the basic inventive concepts. Therefore, the appended claims are intended to be construed to include preferred embodiments and all such changes and/or modifications as fall within the scope of the invention, and all such changes and/or modifications as are made to the embodiments of the present invention are intended to be covered by the scope of the invention.
Claims (10)
1. A protection device for a low-voltage alternating-current contactor, comprising:
the contactor installation guide rail is fixedly provided with a low-voltage alternating current contactor;
the dust blocking plate is arranged on the contactor mounting guide rail and blocks the first surface and two side surfaces of the low-voltage alternating current contactor;
the dust cover is arranged on the contactor mounting guide rail and blocks the second surface and the top surface of the low-voltage alternating current contactor;
the terminal stop blocks are arranged at two ends of the contactor mounting guide rail and comprise a first terminal stop block arranged on the outer side of the dust baffle and a second terminal stop block arranged on the outer side of the dust cover;
the dustproof cover and the dust baffle are connected to form a protection space, and the low-voltage alternating current contactor is arranged in the protection space.
2. The protection device for the low-voltage alternating current contactor according to claim 1, wherein the dust baffle comprises a main baffle connected with the contactor mounting guide rail, and side baffles are respectively arranged on two sides of the main baffle; a side folded edge is arranged on one side of the side baffle plate, which is far away from the main baffle plate, and an upper folded edge is arranged on the upper edge of the side baffle plate; the side folded edge and the upper folded edge are detachably connected with the dust cover.
3. The protection device for the low-voltage alternating current contactor according to claim 2, wherein the main body of the contactor mounting rail has a U-shaped cross section, and a supporting edge for supporting the low-voltage alternating current contactor is arranged on the upper surface of the main body.
4. The protection device for the low-voltage alternating current contactor as claimed in claim 3, wherein a rectangular first bayonet is arranged at the bottom of the main baffle, the first bayonet is matched with the main body of the contactor mounting guide rail, clamping seams are arranged on two sides of the upper end of the first bayonet, and the clamping seams are matched with the supporting edges.
5. The protection device for the low-voltage alternating current contactor according to any one of claims 2 to 4, wherein the side baffle is provided with an access line and a heat dissipation hole, and the access line and the heat dissipation hole pass through the access line of the low-voltage alternating current contactor and dissipate heat of the low-voltage alternating current contactor.
6. The protection device for the low-voltage alternating current contactor as claimed in any one of claims 2 to 4, wherein the dust cover comprises a main cover plate connected with the contactor mounting guide rail, and a top plate is arranged at the top end of the main cover plate; the edge of the top plate is provided with a clamping plate;
the main cover plate is connected with the side folding edges, the top plate is connected with the upper folding edges, and the clamping plate is clamped at the upper part of the outer side of the main baffle.
7. The protector for the low-voltage alternating-current contactor as claimed in claim 6, wherein the side folded edges and the upper folded edge are provided with first through holes, two sides of the main cover plate and two sides of the top plate are provided with second through holes, and the first through holes and the second through holes are oppositely arranged and connected through bolts or rivets.
8. The apparatus according to claim 7, wherein the bottom of the main housing plate is provided with a second bayonet for coupling with the contactor mounting rail.
9. A protection device for a low-voltage alternating-current contactor according to claim 7 or 8, characterized in that said dust-blocking plate is a metal plate.
10. The protection device for a low-voltage alternating-current contactor according to claim 9, characterized in that said dust cover is a transparent cover.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020310898.3U CN211428097U (en) | 2020-03-13 | 2020-03-13 | Protective device for low-voltage alternating-current contactor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020310898.3U CN211428097U (en) | 2020-03-13 | 2020-03-13 | Protective device for low-voltage alternating-current contactor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211428097U true CN211428097U (en) | 2020-09-04 |
Family
ID=72289043
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020310898.3U Active CN211428097U (en) | 2020-03-13 | 2020-03-13 | Protective device for low-voltage alternating-current contactor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211428097U (en) |
-
2020
- 2020-03-13 CN CN202020310898.3U patent/CN211428097U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN211428097U (en) | Protective device for low-voltage alternating-current contactor | |
| CN220324927U (en) | Distribution box with wire inlet and outlet structure | |
| JP5889256B2 (en) | switchboard | |
| CN212812494U (en) | Improved heat dissipation device for electrical equipment | |
| CN211088831U (en) | Boiler feed water control system control cabinet | |
| CN209895057U (en) | Optical fiber distribution protection splicing box | |
| CN218383023U (en) | Automatic change monitoring devices | |
| CN215185743U (en) | Heat dissipation type bus duct | |
| CN110518512A (en) | Combined type wire casing | |
| CN216352502U (en) | Access control device | |
| CN210744498U (en) | Modularized intelligent power distribution cabinet | |
| CN210246073U (en) | Constant temperature and humidity switch board | |
| CN218413564U (en) | Integrated building entrance guard intelligent terminal convenient to install | |
| CN211909422U (en) | Electrical control cabinet shell | |
| CN218896937U (en) | Low-voltage power distribution cabinet with wire harness structure | |
| CN216489045U (en) | Wire bundling mechanism for high-voltage switch cabinet | |
| CN214124826U (en) | Outdoor surge protector | |
| CN218005631U (en) | Distribution box | |
| CN217428558U (en) | Heat abstractor and wiring cabinet | |
| CN216218154U (en) | DTU station terminal control box with communication box | |
| CN219627132U (en) | Combined type power distribution cabinet convenient to assemble | |
| CN212258073U (en) | High temperature resistant type cut-apart formula intelligent power distribution cabinet | |
| CN213520799U (en) | Safe circuit breaker cabinet body | |
| CN218005564U (en) | Ring main unit water droplet guider | |
| CN216290035U (en) | Network engineering junction box with good protection effect |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |