CN210629072U - Relay protection device for power plant - Google Patents
Relay protection device for power plant Download PDFInfo
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- CN210629072U CN210629072U CN201922071431.8U CN201922071431U CN210629072U CN 210629072 U CN210629072 U CN 210629072U CN 201922071431 U CN201922071431 U CN 201922071431U CN 210629072 U CN210629072 U CN 210629072U
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- relay
- fixing
- insulating fixing
- jacket
- insulating
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Abstract
The utility model relates to a power plant relay protection device, including the relay, the outside of relay is equipped with fixed establishment, fixed establishment includes first insulation fixed clamp cover and the second insulation fixed clamp cover that sets up in the relay outside, the cross-section of first insulation fixed clamp cover and second insulation fixed clamp cover is semicircular, the side department of first insulation fixed clamp cover and second insulation fixed clamp cover all is equipped with flange, first insulation fixed clamp cover and second insulation fixed clamp cover lock each other and splice into cylindric fixed cover, fixed cover is binded in the outside of relay, flange of first insulation fixed clamp cover and second insulation fixed clamp cover side passes through stud fixed connection; the peripheral surfaces of the first insulating fixing clamp sleeve and the second insulating fixing clamp sleeve are provided with a plurality of fixing lugs, and the fixing lugs are provided with fixing holes. The fixed sleeve is fixedly arranged outside the relay in a combined mode, so that the relay is convenient to fix and assemble and disassemble.
Description
Technical Field
The utility model belongs to the technical field of power plant relay protection and specifically relates to a power plant relay protection device.
Background
The relay protection is an important measure for detecting faults or abnormal conditions occurring in the power system so as to send out alarm signals or directly isolate and remove fault parts. The fault of the power system and the abnormal working condition endangering safe operation are researched to discuss the anti-accident automation measures of the countermeasures. In the development process, relays with contacts are mainly used to protect power systems and components thereof (generators, transformers, transmission lines, etc.) from damage, so the relays are also called relay protection. The basic task is that when a power system has a fault or an abnormal working condition, fault equipment is automatically cut off from the system in the shortest possible time and in the smallest possible area, or a signal is sent out to eliminate the source of the abnormal working condition by an operator on duty so as to reduce or avoid the damage of the equipment and the influence on the power supply of an adjacent area.
The relay is the electronic device commonly used in the relay protection system, the relay can be installed in the local circuit region that needs relay protection, conveniently carry out relay protection to local circuit, there is the problem of interim installation and permanent installation during the relay installation, the problem that exists during the relay installation is inconvenient fixed, mainly because the relay itself has some weight and can't drill the installation fixed, and the relay itself is higher to the quality requirement, also can have some problems when the structure of metal sheet or metal casing is fixed to the relay, therefore, the installation of relay is fixed when interim relay protection is the technical problem that needs to solve.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a power plant relay protection device in order to solve the defect that prior art exists.
In order to realize the purpose, the utility model discloses a technical scheme as follows:
a relay protection device for a power plant comprises a relay, a first lead fixedly connected with an upper positive plate of the relay and a second lead fixedly connected with an upper negative plate of the relay, wherein a fixing mechanism is arranged on the outer side of the relay and comprises a first insulating fixing jacket and a second insulating fixing jacket which are arranged on the outer side of the relay, the cross sections of the first insulating fixing jacket and the second insulating fixing jacket are semicircular, connecting flanges are arranged on the side surfaces of the first insulating fixing jacket and the second insulating fixing jacket, the first insulating fixing jacket and the second insulating fixing jacket are mutually buckled and spliced into a cylindrical fixing sleeve, the fixing sleeve is bound on the outer side of the relay, and the connecting flanges on the side surfaces of the first insulating fixing jacket and the second insulating fixing jacket are fixedly connected through a stud;
the peripheral surfaces of the first insulating fixing clamp sleeve and the second insulating fixing clamp sleeve are provided with a plurality of fixing lugs, and the fixing lugs are provided with fixing holes.
Furthermore, the port department of the both ends that first insulation fixed jacket and second insulation fixed jacket were equipped with limiting plate and lower limiting plate respectively, and two upper limiting plates splice and are the ring form, and two lower limiting plates also splice into the ring form, and two upper limiting plate block are in the outside at the relay top, and two lower limiting plate block are in the outside of relay bottom.
Furthermore, the upper limiting plate, the lower limiting plate and the fixed sleeve are integrally formed, and the upper limiting plate and the lower limiting plate are provided with heat dissipation holes communicated with the inner cavity of the fixed sleeve.
Furthermore, the material of the fixed sleeve is plastic.
Furthermore, line switches are arranged on the first conducting wire and the second conducting wire.
The utility model has the advantages that: the outer side of a relay of the protection device is provided with a fixing mechanism, the fixing mechanism comprises a first insulating fixing jacket and a second insulating fixing jacket which are arranged on the outer side of the relay, the cross sections of the first insulating fixing jacket and the second insulating fixing jacket are semicircular, the side surfaces of the first insulating fixing jacket and the second insulating fixing jacket are respectively provided with a connecting flange, the peripheral surfaces of the first insulating fixing jacket and the second insulating fixing jacket are provided with a plurality of fixing lugs, the fixing lugs are provided with fixing holes, when the relay is temporarily installed, the first insulating fixing jacket and the second insulating fixing jacket are mutually buckled and spliced into a cylindrical fixing sleeve, the fixing sleeve is bound on the outer side of the relay, the connecting flanges on the side surfaces of the first insulating fixing jacket and the second insulating fixing jacket are fixedly connected through stud bolts, and the relay can be fixed by penetrating bolts into the fixing holes of the fixing lugs, the fixed sleeve is fixedly arranged outside the relay in a combined mode, so that the relay is convenient to fix and assemble and disassemble;
in addition, the both ends port department that first insulation fixed jacket and second insulation fixed jacket were equipped with upper limit plate and lower limit plate respectively, two upper limit plate concatenations are the ring form, two lower limit plates also concatenate into the ring form, two upper limit plate block are in the outside at the relay top, two lower limit plate block are in the outside of relay bottom, can be spacing about the relay in the fixed cover through upper limit plate and lower limit plate, upper limit plate, be equipped with the louvre with fixed cover inner chamber intercommunication on the lower limit plate, the relay after convenient fixing can in time dispel the heat.
Drawings
Fig. 1 is a schematic structural view of the present invention;
fig. 2 is a schematic view of the fixing sleeve of the present invention.
Detailed Description
As shown in fig. 1 and fig. 2, a relay protection device for a power plant includes a relay 1, a first lead 3 fixedly connected to an upper positive plate 2 of the relay 1, and a second lead 5 fixedly connected to an upper negative plate 4 of the relay, where a fixing mechanism is disposed at an outer side of the relay 1, the fixing mechanism includes a first insulating fixing jacket 6 and a second insulating fixing jacket 7 disposed at an outer side of the relay 1, cross sections of the first insulating fixing jacket 6 and the second insulating fixing jacket 7 are semicircular, connecting flanges 10 are disposed at side surfaces of the first insulating fixing jacket 6 and the second insulating fixing jacket 7, the first insulating fixing jacket 6 and the second insulating fixing jacket 7 are mutually buckled and spliced to form a cylindrical fixing sleeve 9, the fixing sleeve 9 is bound at an outer side of the relay 1, and the connecting flanges 10 at side surfaces of the first insulating fixing jacket 6 and the second insulating fixing jacket 7 are fixedly connected by a stud 11;
the peripheral surfaces of the first insulating fixing jacket 6 and the second insulating fixing jacket 7 are provided with a plurality of fixing lugs 12, and the fixing lugs 12 are provided with fixing holes 13.
Further, the two end ports of the first insulating fixing jacket 6 and the second insulating fixing jacket 7 are respectively provided with an upper limiting plate 14 and a lower limiting plate 15, the two upper limiting plates 14 are spliced into a circular ring shape, the two lower limiting plates 15 are also spliced into a circular ring shape, the two upper limiting plates 14 are clamped on the outer side of the top of the relay 1, and the two lower limiting plates 15 are clamped on the outer side of the bottom of the relay 1. The upper limiting plate 14 and the lower limiting plate 15 are integrally formed with the fixing sleeve 9, and the upper limiting plate 14 and the lower limiting plate 15 are provided with heat dissipation holes 16 communicated with the inner cavity of the fixing sleeve 9.
The utility model discloses in, the material of fixed cover 9 is plastics, is equipped with line switch 17 on first wire 3 and the second wire 5.
The outer side of a relay of the protection device is provided with a fixing mechanism, when the relay is temporarily installed, a first insulating fixing clamping sleeve 6 and a second insulating fixing clamping sleeve 7 are mutually buckled and spliced into a cylindrical fixing sleeve 9, the fixing sleeve 9 is bound on the outer side of the relay 1, a connecting flange 10 on the side surfaces of the first insulating fixing clamping sleeve 6 and the second insulating fixing clamping sleeve 7 is fixedly connected through a stud 11, a bolt penetrates through a fixing hole 13 of a fixing lug 12 to fix the relay, and the fixing sleeve is fixedly installed on the outer portion of the relay 1 in a combined mode, so that the relay is conveniently fixed, and the assembly and disassembly are convenient;
in addition, the port department of the both ends of first insulating fixed jacket 6 and second insulating fixed jacket 7 is equipped with upper limit plate 14 and lower limit plate 15 respectively, two upper limit plates 14 splice to be the ring form, two lower limit plates 15 splice into the ring form too, two upper limit plate 14 block are in the outside at relay 1 top, two lower limit plate 15 block are in the outside of relay 1 bottom, can be spacing from top to bottom relay 1 in the fixed cover 9 through upper limit plate 14 and lower limit plate 15, upper limit plate 14, be equipped with the louvre 16 with fixed cover 9 inner chamber intercommunication on the lower limit plate 15, relay 1 after convenient fixing can in time dispel the heat.
The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the principles of the present invention may be applied to any other embodiment without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (5)
1. A power plant relay protection device comprises a relay, a first lead fixedly connected with a positive plate on the relay and a second lead fixedly connected with a negative plate on the relay, and is characterized in that a fixing mechanism is arranged on the outer side of the relay and comprises a first insulating fixing jacket and a second insulating fixing jacket which are arranged on the outer side of the relay, the cross sections of the first insulating fixing jacket and the second insulating fixing jacket are semicircular, connecting flanges are arranged on the side surfaces of the first insulating fixing jacket and the second insulating fixing jacket, the first insulating fixing jacket and the second insulating fixing jacket are mutually buckled and spliced into a cylindrical fixing sleeve, the fixing sleeve is bound on the outer side of the relay, and the connecting flanges on the side surfaces of the first insulating fixing jacket and the second insulating fixing jacket are fixedly connected through a double-headed bolt;
the peripheral surfaces of the first insulating fixing clamp sleeve and the second insulating fixing clamp sleeve are provided with a plurality of fixing lugs, and the fixing lugs are provided with fixing holes.
2. The power plant relay protection device according to claim 1, wherein the first insulating fixing jacket and the second insulating fixing jacket are respectively provided with an upper limiting plate and a lower limiting plate at two end ports, the two upper limiting plates are spliced into a circular ring shape, the two lower limiting plates are also spliced into a circular ring shape, the two upper limiting plates are clamped at the outer side of the top of the relay, and the two lower limiting plates are clamped at the outer side of the bottom of the relay.
3. The power plant relay protection device according to claim 2, wherein the upper and lower limiting plates are integrally formed with the sheath, and the upper and lower limiting plates are provided with heat dissipating holes communicating with an inner cavity of the sheath.
4. The power plant relay protection device according to claim 2, wherein the material of the fixing sleeve is plastic.
5. The power plant relay protection device according to claim 2, wherein the first and second wires are provided with line switches.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922071431.8U CN210629072U (en) | 2019-11-27 | 2019-11-27 | Relay protection device for power plant |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922071431.8U CN210629072U (en) | 2019-11-27 | 2019-11-27 | Relay protection device for power plant |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210629072U true CN210629072U (en) | 2020-05-26 |
Family
ID=70765812
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922071431.8U Active CN210629072U (en) | 2019-11-27 | 2019-11-27 | Relay protection device for power plant |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210629072U (en) |
-
2019
- 2019-11-27 CN CN201922071431.8U patent/CN210629072U/en active Active
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