CN211958553U - Ring main unit with grounding knife observation window and lighting device - Google Patents
Ring main unit with grounding knife observation window and lighting device Download PDFInfo
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- CN211958553U CN211958553U CN202020876767.1U CN202020876767U CN211958553U CN 211958553 U CN211958553 U CN 211958553U CN 202020876767 U CN202020876767 U CN 202020876767U CN 211958553 U CN211958553 U CN 211958553U
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Abstract
The utility model discloses a looped netowrk cabinet with earthing switch observation window and lighting device, voltage power supply box, first cubical switchboard and intelligent control cabinet form through metal decking preparation to voltage power supply box, first cubical switchboard and the mutual fixed connection of intelligent control cabinet, the first section of voltage power supply box are voltage display portion, and the voltmeter mounting hole is seted up to voltage display portion's positive upper end, and the below of voltmeter mounting hole is equipped with the power module mounting hole. The utility model adds the observation window of the grounding switch and the lighting device, when the mechanical interlocking of the circuit breaker and the grounding switch is invalid, the actual position of the grounding switch can be seen by opening the lighting button, so as to prevent misoperation; and the internal equipment fracture of looped netowrk cabinet is visible, can confirm the switch position fast and accurately to the security is very high, can guarantee operation and maintenance work personnel's safety, and lighting device provides the light source of observing the earthing switch position.
Description
Technical Field
The utility model belongs to the technical field of the looped netowrk cabinet, concretely relates to looped netowrk cabinet with earthing switch observation window and lighting device.
Background
The ring main unit is a group of transmission and distribution electrical equipment, is arranged in a metal or nonmetal insulating cabinet body or is made into electrical equipment of an assembled interval ring main power supply unit, adopts a load switch and a fuse at the core part, and has the advantages of simple structure, small volume, low price, capability of improving power supply parameters and performance, power supply safety and the like. The circuit breaker/load switch and the grounding switch also have strict mechanical interlocking and electrical interlocking, so that the structure firstly ensures that the circuit breaker/load switch and the grounding switch cannot be mistakenly operated, namely the circuit breaker/load switch cannot be switched on when in a switching-on position, and the circuit breaker/load switch cannot be switched on when in a switching-off position; once the front door of the ring main unit is opened, the breaker/load switch can not be switched on, so that misoperation is effectively prevented.
Disclosure of Invention
(1) Technical scheme
In order to overcome the defects of the prior art, the utility model provides a ring main unit with a grounding knife observation window and a lighting device, which comprises a voltage power supply box, a first switch cabinet and an intelligent control cabinet, wherein the voltage power supply box, the first switch cabinet and the intelligent control cabinet are prepared by metal panels, the voltage power supply box, the first switch cabinet and the intelligent control cabinet are fixedly connected with each other, the upper half section of the voltage power supply box is a voltage display part, the positive upper end of the voltage display part is provided with a voltmeter mounting hole, the lower part of the voltmeter mounting hole is provided with a power module mounting hole, the positive wall surface of the middle section of the voltage power supply box is provided with a live display, the positive right side of the lower half section of the voltage power supply box is provided with a locking mechanism, the positive side of the upper half section of the first switch cabinet is provided with an ammeter mounting hole, a fault display is arranged below the ammeter mounting hole, a change-over switch is arranged below the fault display, the left side below the change-over switch is provided with a switching-off indicator light, the right side below the change-over switch is provided with a switching-on indicator light, the front surface of the middle section of the first switch cabinet is provided with a switching-on and switching-off operation hole, the right side of the switching-on and switching-off operation hole is provided with a switching-on and switching-off indicator, the front surface of the middle section of the first switch cabinet is also provided with a first observation window, the first observation window is provided with a first lamp button for opening and closing the illumination in the box, the front wall surface of the upper half section of the intelligent control cabinet is provided with an intelligent controller, the front wall surface of the middle section of the intelligent control cabinet is provided with a brake-off knob, an energy storage operation hole and an energy storage indication are arranged below the right side of the opening knob, an isolation operation hole is arranged below the energy storage operation hole and the energy storage indication, and a second observation window and a second lamp button are arranged below the left side of the isolation operation hole.
Furthermore, the first switch cabinet is two sets, and the intelligent control cabinet is equipped with 4 sets.
Furthermore, a third observation window is arranged below the positive wall surfaces of the voltage power supply box, the first switch cabinet and the intelligent control cabinet.
The design principle of the utility model is as follows: the front of the interlude of first cubical switchboard still is equipped with first observation window to first observation window is equipped with the first lamp button that is used for opening and close the incasement illumination, and when circuit breaker/load switch and earthing switch's mechanical interlocking became invalid, the position of original earthing switch display may be inconsistent with actual position, probably leads to the maloperation, the accident appears. The observation window of the grounding switch and the lighting device are added, when the mechanical interlocking of the circuit breaker/load switch and the grounding switch fails, the actual position of the grounding switch can be seen by opening the lighting switch, and misoperation is prevented. The internal equipment fracture of looped netowrk cabinet is visible, can accurately confirm the switch position fast to the security is very high, can guarantee operation and maintenance work personnel's safety, and lighting device provides the light source of observing the earthing switch position.
(2) Advantageous effects
The utility model has the advantages that: the utility model adds the observation window of the grounding switch and the lighting device, when the mechanical interlocking of the circuit breaker and the grounding switch is invalid, the actual position of the grounding switch can be seen by opening the lighting button, so as to prevent misoperation; and the internal equipment fracture of looped netowrk cabinet is visible, can confirm the switch position fast and accurately to the security is very high, can guarantee operation and maintenance work personnel's safety, and lighting device provides the light source of observing the earthing switch position.
Drawings
Fig. 1 is a structural diagram of a ring main unit with a grounding knife observation window and an illumination device.
Detailed Description
The present invention will be further described with reference to the following examples.
Example one
As shown in fig. 1, the ring main unit with the observation window of the grounding switch and the lighting device is provided in this embodiment, and the ring main unit adopts a stainless steel shell, so that the ring main unit can realize full insulation and full sealing, and can well operate in any outdoor severe environment; the switch chamber is composed of all functional loops sealed in a metal shell and buses among the loops, and the shell is formed by welding 3MM stainless steel plates. The ring main unit with the earthing knife observation window and the lighting device comprises a voltage power supply box 1, a first switch cabinet 2 and an intelligent control cabinet 3, wherein the voltage power supply box 1, the first switch cabinet 2 and the intelligent control cabinet 3 are prepared by metal panels, the voltage power supply box 1, the first switch cabinet 2 and the intelligent control cabinet 3 are fixedly connected with each other, the upper half section of the voltage power supply box 1 is a voltage display part, a voltmeter installation hole 11 is formed in the front upper end of the voltage display part, a power supply module installation hole 12 is formed below the voltmeter installation hole 11, a live display 13 is arranged on the front wall surface of the middle section of the voltage power supply box 1, a locking mechanism 14 is arranged on the front right side of the lower half section of the voltage power supply box 1, an ammeter installation hole 21 is formed in the front side of the upper half section of the first switch cabinet 2, a fault display 22 is arranged below the ammeter installation hole 21, a change-over switch 25 is arranged below the fault display 22, an opening and closing indicator lamp 23 is arranged on the left side of the lower portion of the change-over switch 25, a closing indicator lamp 24 is arranged on the right side of the lower portion of the change-over switch 25, an opening and closing operation hole 26 is arranged on the front side of the middle section of the first switch cabinet 2, an opening and closing indicator 27 is arranged on the right side of the opening and closing operation hole 26, a first observation window 28 is further arranged on the front side of the middle section of the first switch cabinet 2, a first lamp button 29 for opening and closing illumination in the cabinet is arranged on the first observation window 28, an intelligent controller 31 is arranged on the front wall surface of the upper half section of the intelligent control cabinet 3, an opening knob 32 is arranged on the front wall surface of the middle section of the intelligent control cabinet 3, an energy storage operation hole 33 and an energy storage indicator 34 are arranged below the opening knob 32, and an isolation operation hole 35 is, a second observation window 36 and a second lamp button 37 are arranged below the left side of the isolation operation hole 35.
In this embodiment, first cubical switchboard 2 is two sets of, intelligent control cabinet 3 is equipped with 4 groups, voltage power supply box 1 first cubical switchboard 2 with intelligent control cabinet 3's positive wall below is equipped with third observation window 5. The front face of the middle section of the first switch cabinet 2 is also provided with a first observation window 28, the first observation window 28 is provided with a first lamp button 29 for opening and closing the illumination in the cabinet, and when the mechanical interlocking of the breaker/load switch and the grounding switch fails, the display position of the original grounding switch may not be consistent with the actual position, which may cause misoperation and accidents. The observation window of the grounding switch and the lighting device are added, when the mechanical interlocking of the circuit breaker/load switch and the grounding switch fails, the actual position of the grounding switch can be seen by opening the lighting switch, and misoperation is prevented. The internal equipment fracture of looped netowrk cabinet is visible, can the quick accurate affirmation switch position to the security is very high, and lighting device provides the light source of observing the earthing switch position, can guarantee operation and maintenance work personnel's safety, prevents the emergence of the maloperation condition.
The above-mentioned embodiments only represent the preferred embodiments of the present invention, and the description thereof is more specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several changes, modifications and substitutions can be made, which are all within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.
Claims (3)
1. A ring main unit with a grounding switch observation window and a lighting device comprises a voltage power supply box (1), a first switch cabinet (2) and an intelligent control cabinet (3), wherein the voltage power supply box (1), the first switch cabinet (2) and the intelligent control cabinet (3) are prepared by metal panels, the voltage power supply box (1), the first switch cabinet (2) and the intelligent control cabinet (3) are fixedly connected with each other, the ring main unit is characterized in that the upper half section of the voltage power supply box (1) is a voltage display part, a voltmeter mounting hole (11) is formed in the front upper end of the voltage display part, a power supply module mounting hole (12) is formed below the voltmeter mounting hole (11), and a live display (13) is arranged on the front wall surface of the middle section of the voltage power supply box (1), the front right side of the lower half section of the voltage power supply box (1) is provided with a locking mechanism (14), the front of the upper half section of the first switch cabinet (2) is provided with an ammeter mounting hole (21), a fault display (22) is arranged below the ammeter mounting hole (21), a change-over switch (25) is arranged below the fault display (22), the left side of the change-over switch (25) is provided with a separating brake indicator lamp (23) and a closing brake indicator lamp (24), the middle section of the first switch cabinet (2) is provided with a separating brake operating hole (26), the right side of the brake separating brake operating hole (26) is provided with a separating brake indicator (27), the middle section of the first switch cabinet (2) is further provided with a first observation window (28), the first observation window (28) is provided with a first lamp button (29) for lighting in the opening and closing box, the front wall surface of the upper half section of the intelligent control cabinet (3) is provided with an intelligent controller (31), the positive wall of interlude of intelligent control cabinet (3) is equipped with separating brake knob (32), the right side below of separating brake knob (32) is equipped with energy storage handle hole (33) and energy storage and instructs (34), energy storage handle hole (33) with the below of energy storage is instructed (34) is equipped with keeps apart handle hole (35), the left side below of keeping apart handle hole (35) is equipped with second observation window (36) and second lamp button (37).
2. The ring main unit with the earthing switch observation window and the lighting device according to claim 1, wherein: the first switch cabinets (2) are two groups, and the intelligent control cabinet (3) is provided with 4 groups.
3. The ring main unit with the earthing switch observation window and the lighting device according to claim 1, wherein: and a third observation window (5) is arranged below the positive wall surface of the voltage power supply box (1), the first switch cabinet (2) and the intelligent control cabinet (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020876767.1U CN211958553U (en) | 2020-05-22 | 2020-05-22 | Ring main unit with grounding knife observation window and lighting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020876767.1U CN211958553U (en) | 2020-05-22 | 2020-05-22 | Ring main unit with grounding knife observation window and lighting device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211958553U true CN211958553U (en) | 2020-11-17 |
Family
ID=73171957
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020876767.1U Active CN211958553U (en) | 2020-05-22 | 2020-05-22 | Ring main unit with grounding knife observation window and lighting device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211958553U (en) |
-
2020
- 2020-05-22 CN CN202020876767.1U patent/CN211958553U/en active Active
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