CN211016876U - Anti-misoperation device for contactor - Google Patents
Anti-misoperation device for contactor Download PDFInfo
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- CN211016876U CN211016876U CN201921689120.1U CN201921689120U CN211016876U CN 211016876 U CN211016876 U CN 211016876U CN 201921689120 U CN201921689120 U CN 201921689120U CN 211016876 U CN211016876 U CN 211016876U
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- side plate
- plate
- contactor
- bottom plate
- malfunction
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Abstract
The utility model discloses an anti-misoperation device for a contactor, which comprises a side plate, a bottom plate and a support body; the side plates are provided with installation instructions and comprise a first side plate and a second side plate, the first side plate and the second side plate are fixed on two sides of the bottom plate, and the side plates are used for clamping the contactor; one side of the supporting body is fixedly connected with one side of the bottom plate, the other side of the supporting body forms a preset distance with the bottom plate, and a gap matched with the moving contact of the contactor is formed in the supporting body. The utility model discloses the moving contact of protection switch and earthing switch divide-shut brake contactor avoids in being touched by the people maloperation, or by switch and earthing switch mechanism incasement equipment mistake and touches, guarantees the normal work of switch and earthing switch divide-shut brake contactor.
Description
Technical Field
The utility model relates to an ac contactor's accessory field especially relates to an anti-maloperation device for contactor.
Background
The 500kV disconnecting link and the grounding switch are main devices of 500kV alternating current equipment, and the switching-on and switching-off operation of the 500kV disconnecting link and the grounding switch is finally realized by a switching-on and switching-off contactor. The switching contactor is a relay and consists of a coil, a movable contact and the like. When the switch-on/off contactor normally operates, if the movable contact is forcibly pressed, the coil is electrified and excited, a switch-on/off motor controlled by the coil acts, and the state of the switch-on/off is changed by the disconnecting link or the grounding link. In this mode of operation, the electrical interlock of the control system is such that the interlock protection for the disconnecting link and the earthing switch is lost.
In the actual operation of a transformer substation and a converter station, if a 500kV disconnecting link is forcibly pulled open with load, a protection system can act, and a line or a breaker is tripped at intervals; if the 500kV disconnecting link is forcibly closed with load, huge short-circuit current can be formed in the station, and the safety of personnel and equipment is seriously influenced. In the process of implementing the invention, the inventor finds that at least the following problems exist in the prior art, and the moving contact parts of the contactors of the 500kV disconnecting link and the grounding switch are exposed for the operation of maintainers and operators, so that misoperation is easy to occur. And the operating boxes of the 500kV disconnecting link and the grounding switch are compactly arranged, and the exposed moving contacts are easily touched by objects in the boxes, so that the main equipment acts.
SUMMERY OF THE UTILITY MODEL
To the above problem, the utility model provides an anti-maloperation device for contactor mainly solves the problem of background art.
The utility model provides an anti-misoperation device for a contactor, which comprises a side plate, a bottom plate and a support body; the side plates are provided with installation instructions and comprise a first side plate and a second side plate, the first side plate and the second side plate are fixed on two sides of the bottom plate, and the side plates are used for clamping the contactor; the surface of the supporting body is fixedly connected with the bottom plate, a preset distance is formed between the surface of the supporting body opposite to the contact surface of the bottom plate and the bottom plate, and a gap matched with the moving contact of the contactor is formed in the supporting body.
Further, the bottom plate is square; the side plates also comprise a third side plate and a fourth side plate, and the first side plate, the second side plate, the third side plate and the fourth side plate are fixed on the periphery of the bottom plate.
Furthermore, a lug is arranged on the inner side face of the first side plate opposite to the inner side face of the second side plate.
Furthermore, the supporting bodies are plate-shaped, block-shaped, strip-shaped or spherical convex blocks, the number of the supporting bodies is more than one, and the side surfaces of the supporting bodies are vertical to the bottom plate.
Furthermore, the supporting body is a cross plate formed by fixing two plates in a cross mode, one surface of the cross plate is fixedly connected with the bottom plate, and the peripheral side surfaces of the cross plate are fixedly connected with the side plates.
Furthermore, the support body is a square block, one surface of the square block is connected with the bottom plate, and the other surface of the square block is fixedly connected with the side plate.
Furthermore, the support body is a plate formed by two transverse plates and six vertical plates which are perpendicular to each other.
Furthermore, the false operation preventing device is an integrated part made of transparent ABS material; the installation indication is an arrow for prompting the installation direction of the anti-misoperation device.
Further, the thickness of the bottom plate and the side plate is 1mm, and the preset distance formed between the other surface of the support body and the bottom plate is 5 mm.
Compared with the prior art, the utility model has the following advantage:
the utility model protects the moving contact of the disconnecting link and the grounding switch on-off contactor from being mistakenly operated by a person or being mistakenly touched by equipment in the disconnecting link and the grounding switch mechanism box, and ensures the normal work of the disconnecting link and the grounding switch on-off contactor; the misoperation prevention device is made of transparent materials, so that the working condition of the moving contact can be observed conveniently, and the countermeasure can be taken in time; the supporting body plays a role in increasing the overall strength of the device and a role in indicating the installation of the device in place, and the shape of the supporting body can adapt to contactors with different surfaces.
Drawings
Fig. 1 is a schematic structural view of an anti-malfunction device according to an embodiment of the present invention;
fig. 2 is a schematic structural view of a false operation preventing device according to a second embodiment of the present invention;
fig. 3 is a schematic structural view of a false operation prevention device according to three embodiments of the present invention;
wherein: 1-side plate, 10-first side plate, 11-second side plate, 12-third side plate, 13-fourth side plate, 14-lug, 2-bottom plate, 3-support body, 4-indication.
Detailed Description
In order to deepen the understanding of the present invention, the following embodiments will be combined to make the present invention do further details, and the present embodiment is only used for explaining the present invention, and does not constitute the limitation of the protection scope of the present invention.
According to fig. 1 to 3 show, the utility model provides a be used for contactor mistake proofing device, the device have higher intensity by transparent ABS material one shot forming of moulding plastics, when can bearing the external impact force, satisfy personnel to the needs that switch and earthing switch divide-shut brake contactor movable contact position state observed to and prevent that the movable contact of contactor from being by the maloperation.
The misoperation prevention device comprises a side plate 1, a bottom plate 2 and a support body 3; an indication 4 is arranged on the outer surface of the side plate 1, the indication 4 is an arrow, and an installer is prompted about the installation direction of the misoperation prevention device; the side plate 1 comprises a first side plate 10 and a second side plate 11, the first side plate 10 and the second side plate 11 are fixed on two opposite sides of the bottom plate 2, the side plate 1 and the bottom plate 2 form a complete external whole body, the thickness of the whole body is about 1mm, the side plate 1 is used for clamping a contactor, can be firmly covered on a 500kV disconnecting link and a grounding switch on-off contactor, and is convenient to disassemble and assemble; the surface of the support body 3 is fixedly connected with the bottom plate 2, the opposite surface of the contact surface of the support body 3 and the bottom plate 2 forms a preset distance of 5mm with the bottom plate 2, a gap matched with a moving contact of the contactor is arranged on the support body 3, the moving contact protrudes by about 3mm, and the support body 3 is positioned in contact with the surface of the contactor.
When using this device, the installer overlaps this device on switch and earthing switch divide-shut brake contactor according to the direction, when the supporter 3 is pushing against the contactor, the installation finishes. After the device is installed, the protection of the disconnecting link and the grounding switch on-off contactor can be realized, so that the disconnecting link and the grounding switch on-off contactor cannot be mistakenly moved due to the action of external force; when the disconnecting link and the grounding switch on-off contactor need to be operated, the device can be detached and can be used repeatedly.
As shown in fig. 1, preferably, the bottom plate 2 is square; the side plate 1 further comprises a third side plate 12 and a fourth side plate 13, the first side plate 10, the second side plate 11, the third side plate 12 and the fourth side plate 13 are fixed on the periphery of the bottom plate 2, the side plates 1 are in contact, a sealed whole is formed between the side plates 1 and the bottom plate 2 at the moment, the side plates 1 are fixed more stably, the side plates 1 can also be in non-contact, and the first side plate 10, the second side plate 11, the third side plate 12 and the fourth side plate 13 which are opposite to each other are fixedly connected with the supporting body 3 to improve stability, so that the side plates 1 can clamp the contactor. Preferably, the opposite inner side surfaces of the first side plate 10 and the second side plate 11 are provided with a convex block 14, the convex block 14 is contacted with the contactor, and the convex block 14 is used for clamping connection, so that the close contact between the side plate 1 and the contactor is enhanced.
Preferably, the support bodies 3 are plate-shaped, block-shaped, strip-shaped or spherical bumps, the number of the support bodies 3 is more than one, and the side surfaces of the support bodies 3 are perpendicular to the bottom plate 2. The structure of the support body 3 can be in the following three forms:
as shown in fig. 1, the support body 3 is preferably a cross plate formed by two plates being fixed in a crossing manner, one surface of the cross plate is fixedly connected to the bottom plate 2, and the peripheral side surfaces of the cross plate are fixedly connected to the side plates 1.
As shown in fig. 2, preferably, the support body 3 is a square block, one surface of the square block is connected with the bottom plate 2, and the other surface of the square block is fixedly connected with the side plate 1, and specifically, four square blocks are respectively arranged at four corners of the bottom plate 2.
As shown in fig. 3, the supporting body 3 is preferably a plate formed by two transverse plates and six vertical plates perpendicular to each other.
The support body 3 plays a role in increasing the strength of the device and resisting the impact of external force; the support body 3 plays a positioning role, is contacted with the contactor and feeds back that the misoperation prevention device is installed in place; the space between the supporting body 3 and the bottom plate 2 is used for placing a moving contact.
The above-described embodiments are merely illustrative of the embodiments of the present invention, and do not limit the spirit and scope of the present invention. Under the prerequisite that does not deviate from the design concept of the utility model, the ordinary person in the art should fall into the protection scope of the utility model to the various changes and improvements that the technical scheme of the utility model made.
Claims (9)
1. An anti-malfunction device for a contactor, characterized by comprising a side plate (1), a bottom plate (2) and a support body (3); the side plate (1) is provided with an installation indicator (4), the side plate (1) comprises a first side plate (10) and a second side plate (11), the first side plate (10) and the second side plate (11) are fixed on two opposite sides of the bottom plate (2), and the side plate (1) is used for clamping a contactor; the surface of the support body (3) is fixedly connected with the bottom plate (2), a preset distance is formed between the opposite surface of the support body (3) and the contact surface of the bottom plate (2) and the bottom plate (2), and a gap matched with a moving contact of the contactor is arranged on the support body (3).
2. Anti-malfunction device for contactors according to claim 1, characterized in that said base plate (2) is square; the side plate (1) further comprises a third side plate (12) and a fourth side plate (13), and the first side plate (10), the second side plate (11), the third side plate (12) and the fourth side plate (13) are fixed on the periphery of the bottom plate (2).
3. Anti-malfunction device for a contactor according to claim 1, characterized in that said first side plate (10) and said second side plate (11) are provided with projections (14) on opposite inner sides.
4. Anti-malfunction device for contactors according to claim 1, characterized in that said support (3) is a plate, block, strip or spherical projection, the number of supports (3) is more than one, the side of said support (3) is perpendicular to the bottom plate (2).
5. The device according to claim 1, characterized in that said support (3) is a cross plate formed by two plates fixed crosswise, one face of the cross plate being fixedly connected to the bottom plate (2) and the peripheral sides of the cross plate being fixedly connected to the side plates (1).
6. The device according to claim 1, characterized in that said support (3) is a block, one face of which is connected to the bottom plate (2) and the other face is fixedly connected to the side plate (1).
7. The device according to claim 1, characterized in that said support (3) is a plate made up of two transverse plates and six vertical plates perpendicular to each other.
8. The malfunction prevention device for a contactor as claimed in claim 1, wherein said malfunction prevention device is an integrally formed member made of a transparent ABS material; the installation indication (4) is an arrow and used for prompting the installation direction of the misoperation prevention device.
9. The device for preventing the malfunction of a contactor according to claim 1, wherein the thickness of the bottom plate (2) and the side plate (1) is 1mm, and the other surface of the supporting body (3) forms a predetermined distance of 5mm from the bottom plate (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921689120.1U CN211016876U (en) | 2019-10-10 | 2019-10-10 | Anti-misoperation device for contactor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921689120.1U CN211016876U (en) | 2019-10-10 | 2019-10-10 | Anti-misoperation device for contactor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211016876U true CN211016876U (en) | 2020-07-14 |
Family
ID=71507215
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921689120.1U Active CN211016876U (en) | 2019-10-10 | 2019-10-10 | Anti-misoperation device for contactor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211016876U (en) |
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2019
- 2019-10-10 CN CN201921689120.1U patent/CN211016876U/en active Active
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