CN210563810U - Always two-door interlocking of box-type substation - Google Patents
Always two-door interlocking of box-type substation Download PDFInfo
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- CN210563810U CN210563810U CN201920858261.5U CN201920858261U CN210563810U CN 210563810 U CN210563810 U CN 210563810U CN 201920858261 U CN201920858261 U CN 201920858261U CN 210563810 U CN210563810 U CN 210563810U
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Abstract
The utility model discloses a direct two-door interlocking of box-type transformer substation, including high-voltage outlet cabinet, straight program lock in the outlet cabinet, transformer room one side net door, transformer room opposite side net door, net door program lock, high-pressure chamber, low-pressure chamber and transformer room, the earthing switch of high-voltage outlet cabinet is butted with straight program lock in the outlet cabinet, straight program lock and net door program lock in the outlet cabinet are mechanically interlocked through the same key, net door program lock is installed at transformer room one side net door and transformer room opposite side net door, transformer room one side net door and transformer room opposite side net door are all installed on the transformer room, transformer room one side is installed with high-pressure chamber, and transformer room opposite side is installed with low-pressure chamber, high-voltage outlet cabinet is the three-phase control cabinet, net door program lock mirror image installation, the utility model solves the problem of forced locking of middle transformer and high-voltage switch cabinet in box-type transformer substation, the safety of equipment and personnel is greatly improved.
Description
Technical Field
The utility model relates to an interlocking technical field specifically is a box-type substation's two door interlocks always.
Background
The box-type transformer substation, called prefabricated substation or prefabricated substation, is a high-voltage switchgear, distribution transformer and low-voltage distribution equipment, is a factory prefabricated indoor and outdoor compact distribution equipment which is arranged into a whole according to a certain wiring scheme, namely, the functions of transformer voltage reduction, low-voltage distribution and the like are organically combined together, and the box-type transformer substation is installed in a moistureproof, antirust, dustproof, ratproof, fireproof, antitheft, heat-insulating, totally-enclosed and movable steel structure box, is particularly suitable for urban network construction and transformation, is a brand-new transformer substation which is grown up after a civil transformer substation, is suitable for mines, factory enterprises, oil-gas fields and wind power stations, replaces the original civil transformer substation and becomes a novel complete set of transformation and distribution equipment.
The box-type transformer substations are increasingly widely applied, the maintenance of the box-type transformer substations is also a common matter, and how to ensure that the box-type transformer substations are in a power-off state during the maintenance is always carried out by operators, namely, a high-voltage switch is disconnected firstly, then a common padlock on a gate of a transformer room is opened, and the transformer substations enter the door to be maintained, so that misoperation is easily caused in the process, and sometimes, the switches are hung on the ground in a live mode; sometimes, the transformer chamber door is not closed, and the electric shock accidents are caused by the fact that the transformer chamber door is divided into the grounding knife, the load switch is closed and the like.
SUMMERY OF THE UTILITY MODEL
The utility model provides a two-door interlock of a box-type transformer substation, which can effectively solve the problems of easy misoperation and sometimes electrified ground switch hanging in the prior art; sometimes, the transformer chamber door is not closed, so that the transformer chamber door can be divided into two parts, and a load switch is closed, so that the electric shock accident can be caused.
In order to achieve the above object, the utility model provides a following technical scheme: a straight program lock, transformer room one side net door, transformer room opposite side net door, net door program lock, hyperbaric chamber, low-pressure chamber and transformer room in the box-type substation of box-type substation, includes that straight program lock, transformer room one side net door, transformer room opposite side net door, net door program lock, hyperbaric chamber, low-pressure chamber and transformer room in the high-pressure cabinet of drawing, straight program lock and net door program lock are through the mechanical interlocking of same key in the cabinet of drawing, net door program lock installs at transformer room one side net door and transformer room opposite side net door.
Preferably, the net door on one side of the transformer room and the net door on the other side of the transformer room are both arranged on the transformer room.
Preferably, a high voltage chamber is installed at one side of the transformer chamber, and a low voltage chamber is installed at the other side of the transformer chamber.
Preferably, the high-voltage cable cabinet is a three-phase control cabinet.
Preferably, the net door program locks are provided with two net door program locks.
Preferably, the gatekeeper is installed in a mirror image.
Compared with the prior art, the beneficial effects of the utility model are that: the utility model has the advantages of scientific and reasonable structure, convenient and safe use, two net door program locks on the net doors on two sides in the transformer room and the straight program lock in the outgoing line cabinet of the outgoing line cabinet in the high-voltage chamber, the three locks share one key, the straight program lock in the outgoing line cabinet of the high-voltage outgoing line cabinet is provided with the telescopic lock cylinder rod, the key can be pulled out only when the lock cylinder rod extends out, then the key is inserted into the net door program lock of the net door on one side of the transformer room and rotated to the unlocking state, at the moment, the net door of the transformer room can be opened, then the key is pulled out, the key is inserted into the net door program lock on the net door on the other side of the transformer room and placed in the lock cylinder groove and rotated to the unlocking state, the net doors on two sides of the transformer room can be opened, the sequence of locking and opening the net doors is opposite, the net door program lock of the net door which is opened last is locked, then the net door program lock on the other side of the, pull out the key and insert straight program lock in the cabinet of being qualified for the next round of competitions in the high-pressure outlet cabinet at last, rotatory to the department that the cylinder lever contracts, the load switch of the high-pressure outlet cabinet of disconnection, when closing the ground sword, rotatory key stretches out until the cylinder lever, shelters from the handle hole, the key alright in order to pull out to come to open the net door of transformer, the high-pressure outlet cabinet of this moment can not operate the ground sword, the utility model provides a transformer and high-pressure switch cabinet force the shutting problem in the european style box-type substation, improved equipment and personnel's security greatly.
Drawings
The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention.
In the drawings:
fig. 1 is a schematic structural diagram of the present invention;
fig. 2 is a schematic view of the installation structure of the net door program lock of the present invention;
FIG. 3 is a schematic view of the installation structure of the low pressure chamber of the present invention;
reference numbers in the figures: 1. a high voltage outlet cabinet; 2. a straight program lock in the outgoing line cabinet; 3. a network door at one side of the transformer room; 4. the other side of the transformer chamber is provided with a net door; 5. a network door program lock; 6. a high pressure chamber; 7. a low pressure chamber; 8. and a transformer chamber.
Detailed Description
The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are presented herein only to illustrate and explain the present invention, and not to limit the present invention.
Example (b): as shown in fig. 1-3, the utility model provides a direct two-door interlocking technical scheme, a direct two-door interlocking of box-type transformer substation, including high-voltage outlet cabinet 1, straight program lock 2 in the outlet cabinet, transformer room one side net door 3, transformer room other side net door 4, net door program lock 5, high-pressure chamber 6, low-pressure chamber 7 and transformer room 8, the earthing switch of high-voltage outlet cabinet 1 is butted with straight program lock 2 in the outlet cabinet, for the convenience of power cord installation of high-voltage outlet cabinet 1, high-voltage outlet cabinet 1 is a three-phase control cabinet, straight program lock 2 and net door program lock 5 in the outlet cabinet are mechanically interlocked through the same key, net door program lock 5 is installed at transformer room one side net door 3 and transformer room other side net door 4, the locking lever is inserted in the earthing switch operation mouth of high-voltage outlet cabinet 1, the locking lever is stretched out, the earthing switch is operated, on transformer room one side net door 3 and transformer room other side net door 4, the net door program locks 5 are all installed, the operation hole is a cylinder, the end part of the cylinder is provided, only when the ground knife in the high-voltage outgoing line cabinet 1 is closed, the lock core rod of the straight program lock 2 in the outgoing line cabinet in the high-voltage cabinet 1 extends out, and the key is pulled out, at this time, the net door program locks 5 on the net door 3 on one side of the transformer room and the net door 4 on the other side of the transformer room can be opened.
In order to facilitate the installation of the transformer room one side net door 3 and the transformer room other side net door 4, the transformer room one side net door 3 and the transformer room other side net door 4 are all installed on the transformer room 8, in order to facilitate the installation and the regulation of the transformer room 8 later stage, the high-voltage chamber 6 is installed on one side of the transformer room 8, and the low-voltage chamber 7 is installed on the other side of the transformer room 8, in order to facilitate the opening and the closing of the transformer room one side net door 3 and the transformer room other side net door 4, the net door program locks 5 are provided with two in total, and the net door program locks 5 are installed.
When power transmission operation is carried out, a network door 3 at one side of a transformer room and a network door 4 at the other side of the transformer room on a high-voltage room 6 are closed, a network door program lock 5 key at the end part of a lock rod is rotated to lock the network door 3 at one side of the transformer room, the key is pulled out, the network door 4 at the other side of the transformer room is locked in the same step, then a straight program lock 2 in a wire outlet cabinet in a high-voltage wire outlet cabinet 1 is inserted, the key is rotated to retract a lock core rod, an operation hole of a grounding switch is exposed, an operation rod is inserted, the operation hole is rotated to open a grounding switch, then a high-voltage load switch is closed.
When power failure operation is carried out, a power-off key is pressed down, the high-voltage wire outlet cabinet 1 is in line with switch opening, a grounding knife is closed, a key is inserted into a high-voltage wire outlet, a straight program lock 2 in the wire outlet cabinet in the high-voltage wire outlet cabinet 1, the key is rotated, a lock core rod extends out to clamp an operation opening of the grounding knife, the key is pulled out, the key is further inserted into a straight program lock 2 in the wire outlet cabinet of a transformer room side net door 3 and a transformer room other side net door 4, the key is rotated to open the net doors, maintenance operation is carried out, the net door program lock 5 of the transformer room side net door 3 and the transformer room other side net door 4 and the straight program lock 2 in the wire outlet cabinet in the high-voltage wire outlet cabinet 1 share one key, the telescopic lock core rod is arranged on the straight program lock 2 in the wire outlet cabinet of the high-voltage wire outlet cabinet 1, the key can be pulled out only when the lock core rod extends out, and then the net door program lock 5, rotating to an unlocking state, wherein the net door 3 at one side of the transformer room of the transformer can be opened, then pulling out a key, then inserting the key into the net door program lock 5 on the net door 4 at the other side of the transformer room, placing the net door program lock in a lock rod groove, rotating to the unlocking state, wherein the net door 3 at one side of the transformer room of the transformer and the net door 4 at the other side of the transformer room can be opened, when the net door is locked and the net door is opened in an opposite sequence, firstly locking the net door program lock 5 of the net door which is opened last, then pulling out the net door program lock 5 at the other side of the key lock, pulling out the key, finally inserting the straight program lock 2 in the outgoing line cabinet in the high-voltage outgoing line cabinet 1, rotating to a lock rod contraction position, disconnecting a load switch of the high-voltage outgoing line cabinet 1, when the ground knife is closed, rotating the key until the lock rod of the straight program lock 2 in the outgoing line cabinet extends out, shielding an operation hole, and pulling out the key to open the net door program, high-voltage power-off cabinet 1 is that can not operate the ground sword this moment, the utility model provides a transformer and high tension switchgear force the shutting problem in the european style box-type substation, improved equipment and personnel's security greatly.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (6)
1. The utility model provides a two door interlocks always of box-type substation, includes high-pressure outlet cabinet (1), goes out straight procedure lock (2) among the cabinet, transformer room one side net door (3), transformer room opposite side net door (4), net door procedure lock (5), hyperbaric chamber (6), low-pressure chamber (7) and transformer room (8), its characterized in that: the ground knife of the high-voltage wire outlet cabinet (1) is in butt joint with the straight program lock (2) in the wire outlet cabinet, the straight program lock (2) in the wire outlet cabinet and the net door program lock (5) are mechanically interlocked through the same key, and the net door program lock (5) is installed on the net door (3) on one side of the transformer chamber and the net door (4) on the other side of the transformer chamber.
2. A always two-door interlock of a box substation according to claim 1, characterized in that the transformer room side net door (3) and the transformer room other side net door (4) are both mounted on the transformer room (8).
3. A straight two door interlock of a box substation according to claim 1, characterized in that the transformer room (8) is fitted with a high voltage room (6) on one side and a low voltage room (7) on the other side of the transformer room (8).
4. A straight two-door interlock of a box substation according to claim 1, characterized in that the high voltage outlet cabinet (1) is a three-phase control cabinet.
5. A always two-door interlock of a box substation according to claim 1, characterized in that there are two net door program locks (5) in total.
6. A always two-door interlock of a box substation according to claim 1, characterized in that the net door program lock (5) is installed in mirror image.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920858261.5U CN210563810U (en) | 2019-06-10 | 2019-06-10 | Always two-door interlocking of box-type substation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920858261.5U CN210563810U (en) | 2019-06-10 | 2019-06-10 | Always two-door interlocking of box-type substation |
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| Publication Number | Publication Date |
|---|---|
| CN210563810U true CN210563810U (en) | 2020-05-19 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920858261.5U Active CN210563810U (en) | 2019-06-10 | 2019-06-10 | Always two-door interlocking of box-type substation |
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| CN (1) | CN210563810U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114038698A (en) * | 2021-12-24 | 2022-02-11 | 江苏电科电气设备有限公司 | Interlocking method for high-voltage cabinet grounding switch and transformer net door |
-
2019
- 2019-06-10 CN CN201920858261.5U patent/CN210563810U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114038698A (en) * | 2021-12-24 | 2022-02-11 | 江苏电科电气设备有限公司 | Interlocking method for high-voltage cabinet grounding switch and transformer net door |
| CN114038698B (en) * | 2021-12-24 | 2023-09-01 | 江苏电科电气设备有限公司 | High-voltage cabinet grounding switch and transformer grid door interlocking method |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 214000 No.23 Changjiang South Road, Xinwu District, Wuxi City, Jiangsu Province Patentee after: Wuxi Guangying Group Co.,Ltd. electrical manufacturing branch Address before: 214000 No.23 Changjiang South Road, Xinwu District, Wuxi City, Jiangsu Province Patentee before: Electrical Appliance Manufacturing Branch of Wuxi Xineng Electric Power Industry Co.,Ltd. |
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| CP01 | Change in the name or title of a patent holder |