CN212304442U - Box-type substation with pressure relief structure - Google Patents
Box-type substation with pressure relief structure Download PDFInfo
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- CN212304442U CN212304442U CN202021463152.2U CN202021463152U CN212304442U CN 212304442 U CN212304442 U CN 212304442U CN 202021463152 U CN202021463152 U CN 202021463152U CN 212304442 U CN212304442 U CN 212304442U
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Abstract
The utility model provides a take pressure release structure's box-type substation relates to box-type substation technical field. Open on the back wall of cubical switchboard room has the window, window department sets up the second connecting piece luffer boards that have the mounting hole, luffer boards upper end is rotated and is installed on the back wall, set up pressure release mechanism in the cubical switchboard room, the inside of floater seat is arranged in to the floater, it has the end opening to open floater seat below, the top is opened there is the apical pore, communicate with each other and form the unsteady superficial chamber of confession floater between end opening and the apical pore, end opening and cubical switchboard intercommunication, response terminal and servo cylinder respectively with controller circuit connection, the apical pore department is arranged in to the response terminal end, the telescopic link tip at servo cylinder is installed to first connecting piece, first connecting piece and second connecting piece are articulated. The utility model discloses well pressure release mechanism can automatic start when cubical switchboard internal pressure is big, also can hierarchical pressure release: the floating ball floats to enable the side through hole to be communicated with the switch cabinet chamber, and pressure is slowly released; the servo cylinder extends to push the window plate away, and the pressure is quickly relieved.
Description
Technical Field
The utility model relates to a box-type substation technical field, in particular to take pressure release structure's box-type substation.
Background
The box-type substation is also called a pre-installed substation or a pre-installed substation. The high-voltage switch equipment, the distribution transformer and the low-voltage distribution device are factory prefabricated indoor and outdoor compact distribution equipment which are integrated according to a certain wiring scheme, namely, the functions of transformer voltage reduction, low-voltage distribution and the like are organically combined together and are arranged in a steel structure box which is damp-proof, rust-proof, dust-proof, rat-proof, fireproof, anti-theft, heat-insulating, totally-closed and movable.
A box substation generally comprises: a switch cabinet chamber, a transformer chamber and a low-voltage cabinet chamber. When the short-circuit fault happens to the switch cabinet chamber, high-temperature arcing and high-temperature and high-pressure gas are generated instantly, and due to the fact that the space in the box type transformer substation is narrow, if the high-temperature and high-pressure gas cannot be released in a short time, other spacing equipment in the box body can be damaged or the box body can be cracked, and pedestrian casualties or property losses nearby the box type transformer substation can be caused.
SUMMERY OF THE UTILITY MODEL
The utility model provides a take pressure release structure's box-type substation solves above-mentioned technical problem.
The specific technical scheme is a box-type substation with a pressure relief structure, which comprises: a base, a switch cabinet chamber with a built-in switch cabinet, a transformer chamber with a built-in transformer and a low-voltage cabinet chamber with a built-in low-voltage cabinet are fixedly arranged above the base, the transformer chamber is positioned between the switch cabinet chamber and the low-voltage cabinet chamber, the transformer chamber, the switch cabinet chamber and the low-voltage cabinet chamber are respectively provided with a cabinet door,
the wall of the switch cabinet chamber corresponding to the cabinet door is a rear wall, a window is arranged on the rear wall, a window plate is arranged at the window, the size of the window plate is larger than that of the window, the upper end of the window plate is rotatably arranged on the rear wall, a second connecting piece with a mounting hole is fixedly arranged on the window plate, and the second connecting piece is positioned at the inner side of the window plate,
the switch cabinet is indoor sets up pressure relief mechanism, pressure relief mechanism includes floater, ball seat, response terminal, controller, servo cylinder and first connecting piece, the floater is arranged in the inside of ball seat, open bottom outlet, top opening have the apical pore in the ball seat below, the bottom outlet with communicate with each other between the apical pore and form the unsteady superficial chamber of confession floater, the bottom outlet with the switch cabinet intercommunication, the response terminal with servo cylinder respectively with controller circuit connection, the response terminal end is arranged in apical pore department, first connecting piece is installed servo cylinder's telescopic link tip, first connecting piece with the second connecting piece is articulated.
Furthermore, a side through hole is formed in one side of the floating ball seat and close to the bottom opening, the side through hole is communicated with the bottom opening, the top opening and the atmosphere, and the aperture of the side through hole is smaller than the diameter of the floating ball.
Further, the aperture of the side through hole is smaller than the radius of the floating ball.
Further, the bottom opening is communicated with the switch cabinet through a flame-retardant air bag, the lower port of the flame-retardant air bag is connected with the outlet on the switch cabinet, and the upper port of the flame-retardant air bag is connected with the bottom opening.
Further, the induction terminal is embedded in the top opening at 1/4-3/4.
Owing to adopted above technical scheme, compare with prior art, the utility model discloses there is following technical advantage: the pressure relief mechanism is divided into two stages, one is that a bottom opening is formed below the floating ball seat, a top opening is formed above the floating ball seat, the bottom opening is communicated with the top opening to form a floating cavity for floating of a floating ball, the bottom opening is communicated with the switch cabinet, the sensing terminal and the servo cylinder are respectively connected with the controller circuit, the tail end of the sensing terminal is arranged at the top opening, the first connecting piece is installed at the end part of the telescopic rod of the servo cylinder, the first connecting piece is hinged with the second connecting piece, when the pressure in the switch cabinet chamber is increased, the floating ball floats upwards, the pressure is too high, the floating ball can touch the sensing terminal when the pressure is enough to jack the floating ball to the top opening, the sensing terminal transmits a signal to the controller, the controller sends an instruction to the servo cylinder, and the servo cylinder extends and pushes the window plate away to achieve the purpose of rapid pressure relief; and a side through hole is formed in one side of the floating ball seat and close to the bottom opening, the side through hole is communicated with the bottom opening, the top opening and the atmosphere, the aperture of the side through hole is smaller than the diameter of the floating ball, the floating ball floats to enable the side through hole to be communicated with the switch cabinet chamber, and gas can enter the atmosphere from the switch cabinet chamber through the side through hole, so that the purpose of maintaining the stable pressure of the switch cabinet chamber is achieved. Moreover, the bottom opening and the side through hole can be plugged by the falling of the floating ball, dust and rainwater can be prevented from falling into the side through hole, pressure is high, during pressure relief, the pressure inside the side through hole is high, dust and rainwater cannot fall into the side through hole, and the window plate is installed at the upper end of the window plate on the rear wall and has a good shielding effect. The utility model discloses well pressure release mechanism can automatic start when cubical switchboard internal pressure is big, also can hierarchical pressure release.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this application, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification. In the drawings:
fig. 1 is a schematic view of an internal structure of a box-type substation with a pressure relief structure according to the present invention;
FIG. 2 is a cross-sectional view of the floating ball seat of the present invention;
FIG. 3 is a sectional view of the lower ball seat in the floating state of the float;
FIG. 4 is a schematic view of the rear wall of the present invention;
FIG. 5 is a schematic view of the connection between the servo cylinder and the window plate according to the present invention;
fig. 6 is a front view of a box-type substation with a pressure relief structure.
Wherein:
1. switch cabinet room, 2, transformer room, 3, low-voltage cabinet room, 4, pressure relief mechanism, 5, base, 101, cubical switchboard, 102, export, 103, back wall, 104, window, 105, luffer board, 106, second connecting piece, 201, transformer, 301, low-voltage cabinet, 411, fire-retardant gasbag, 412, floater, 413, floater seat, 414, end opening, 415, float chamber, 416, top opening, 417, side through-hole, 421, inductive terminal, 422, controller, 423, servo cylinder, 424, first connecting piece.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in further detail with reference to the following embodiments and accompanying drawings. The exemplary embodiments and descriptions of the present invention are provided to explain the present invention, but not to limit the present invention.
In the description of the present invention, it should be noted that the terms "inner", "outer", "left" and "right" are used for indicating the position or positional relationship based on the positional relationship shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation and be operated, and thus should not be construed as limiting the present invention.
The following is a description of the present invention with reference to the accompanying figures 1-6:
example 1: a box-type substation with a pressure relief structure, comprising: a base 5, a switch cabinet chamber 1 with a built-in switch cabinet 101, a transformer chamber 2 with a built-in transformer 201 and a low-voltage cabinet chamber 3 with a built-in low-voltage cabinet 301 are fixedly arranged above the base 5, the transformer chamber 2 is positioned between the switch cabinet chamber 1 and the low-voltage cabinet chamber 3, the transformer chamber 2, the switch cabinet chamber 1 and the low-voltage cabinet chamber 3 are respectively provided with a cabinet door,
the wall of the switch cabinet chamber 1 corresponding to the cabinet door thereof is a rear wall 103, a window 104 is opened on the rear wall 103, a window plate 105 is arranged at the window 104, the size of the window plate 105 is larger than that of the window 104, the upper end of the window plate 105 is rotatably installed on the rear wall 103, a second connecting piece 106 with an installation hole is fixedly installed on the window plate 105, the second connecting piece 106 is positioned at the inner side of the window plate 105,
the pressure relief mechanism 4 is arranged in the switch cabinet chamber 1, the pressure relief mechanism 4 comprises a floating ball 412, a floating ball seat 413, a sensing terminal 421, a controller 422, a servo cylinder 423 and a first connecting piece 424, the floating ball 412 is arranged in the floating ball seat 413, a bottom opening 414 is formed below the floating ball seat 413, a top opening 416 is formed above the floating ball seat 413, the bottom opening 414 and the top opening 416 are communicated with each other to form a floating cavity 415 for floating the floating ball 412, the bottom opening 414 is communicated with the switch cabinet 101, the sensing terminal 421 and the servo cylinder 423 are respectively connected with the controller 422 through a circuit, the tail end of the sensing terminal 421 is arranged at the top opening 416, the first connecting piece 424 is arranged at the end part of an expansion rod of the servo cylinder 423, and the first connecting piece 424 is hinged to the second connecting piece 106.
A side through hole 417 is formed at one side of the float seat 413 and near the bottom port 414, the side through hole 417 is communicated with the bottom port 414, the top port 416 and the atmosphere, and the diameter of the side through hole 417 is smaller than the diameter of the float 412.
The diameter of the side through hole 417 is smaller than the radius of the floating ball 412.
The bottom port 414 is communicated with the switch cabinet 101 through a flame-retardant air bag 411, the lower port of the flame-retardant air bag 411 is connected with the outlet 102 on the switch cabinet 101, and the upper port is connected with the bottom port 414.
The inductive terminals 421 are embedded at 1/4-3/4 in the top opening 416.
The second connecting piece 106 is located on the inner side of the window panel 105, which means that the second connecting piece 106 is installed inside the switch cabinet chamber 1.
The lower port of the flame-retardant air bag 411 is connected with the outlet 102 on the switch cabinet 101, and the upper port is connected with the bottom port 414. The flame-retardant air bag 411 has a telescopic function, so that partial pressure can be relieved, and the pressure relief mechanism 4 is prevented from being started under a common condition.
In the utility model, the pressure relief mechanism 4 is provided with a primary mechanism and a secondary mechanism,
the first-stage mechanism comprises a flame-retardant air bag 411 with an upper end and a lower end open, a floating ball 412 and a floating ball seat 413, the floating ball 412 is arranged inside the floating ball seat 413, a bottom opening 414 is arranged below the floating ball seat 413, a top opening 416 is arranged above the floating ball seat 413, a side through hole 417 is arranged at the side edge, the bottom opening 414, the top opening 416 and the side through hole 417 are communicated, a floating cavity 415 for the floating ball 412 to float is formed between the bottom opening 414 and the top opening 416, the lower port of the flame-retardant air bag 411 is connected with an outlet 102 on the switch cabinet 101, the upper port is connected with the bottom,
the secondary mechanism includes: the induction terminal 421, the controller 422, the servo cylinder 423 and the first connecting piece 424, the induction terminal 421 and the servo cylinder 423 are respectively connected with the controller 422 through a circuit, the tail end of the induction terminal 421 is arranged at the top opening 416, the first connecting piece 424 is arranged at the end part of the telescopic rod of the servo cylinder 423, and the first connecting piece 424 is hinged to the second connecting piece 106.
When the pressure in the switch cabinet chamber 1 is increased, the floating ball 412 floats upwards, the pressure is high enough, the floating ball 412 floats to enable the side through hole 417 to be communicated with the switch cabinet chamber 1, and gas can enter the atmosphere from the switch cabinet chamber 1 through the side through hole 417, so that the purpose of maintaining the pressure stability of the switch cabinet chamber 1 is achieved; when the pressure in the switch cabinet chamber 1 is too large, and is enough to push the floating ball 412 to the top opening 416, the floating ball 412 touches the sensing terminal 421, the sensing terminal 421 transmits the signal to the controller 422, the controller 422 sends an instruction to the servo cylinder 423, the servo cylinder 423 extends, the window plate 105 is pushed away, and the purpose of rapid pressure relief is achieved. The utility model discloses well pressure release mechanism 4 can automatic start when cubical switchboard 101 internal pressure is big, also can hierarchical pressure release.
The foregoing is only a preferred embodiment of the present invention and is not intended to limit the present invention in any way, and those skilled in the art may make modifications and changes to the equivalent embodiments using the teachings of the present invention. However, any simple modification, equivalent change and modification made to the above embodiments according to the technical substance of the present invention still belong to the protection scope of the technical solution of the present invention.
Claims (5)
1. A box-type substation with a pressure relief structure, comprising: a base (5), a switch cabinet chamber (1) with a built-in switch cabinet (101), a transformer chamber (2) with a built-in transformer (201) and a low-voltage cabinet chamber (3) with a built-in low-voltage cabinet (301) are fixedly arranged above the base (5), the transformer chamber (2) is positioned between the switch cabinet chamber (1) and the low-voltage cabinet chamber (3), the transformer chamber (2), the switch cabinet chamber (1) and the low-voltage cabinet chamber (3) are respectively provided with a cabinet door, the transformer cabinet is characterized in that,
the wall of the switch cabinet chamber (1) corresponding to the cabinet door thereof is a rear wall (103), a window (104) is arranged on the rear wall (103), window plates (105) are arranged at the window (104), the size of each window plate (105) is larger than that of the window (104), the upper ends of the window plates (105) are rotatably installed on the rear wall (103), second connecting pieces (106) with installation holes are fixedly installed on the window plates (105), and the second connecting pieces (106) are located on the inner sides of the window plates (105),
the pressure relief mechanism (4) is arranged in the switch cabinet chamber (1), the pressure relief mechanism (4) comprises a floating ball (412), a floating ball seat (413), an induction terminal (421), a controller (422), a servo cylinder (423) and a first connecting piece (424), the floating ball (412) is arranged in the floating ball seat (413), a bottom opening (414) is formed below the floating ball seat (413), a top opening (416) is formed above the floating ball seat (413), the bottom opening (414) is communicated with the top opening (416) to form a floating cavity (415) for floating of the floating ball (412), the bottom opening (414) is communicated with the switch cabinet (101), the induction terminal (421) and the servo cylinder (423) are respectively connected with the controller (422) through a circuit, the tail end of the induction terminal (421) is arranged at the top opening (416), and the first connecting piece (424) is arranged at the end of a telescopic rod of the servo cylinder (423), the first connecting piece (424) is hinged with the second connecting piece (106).
2. The substation according to claim 1, wherein a side through hole (417) is opened near a bottom opening (414) at one side of the float seat (413), the side through hole (417) is communicated with the bottom opening (414), the top opening (416) and the atmosphere, and the diameter of the side through hole (417) is smaller than the diameter of the float ball (412).
3. The substation according to claim 2, wherein the diameter of the through hole (417) is smaller than the radius of the floating ball (412).
4. The box-type substation with the pressure relief structure according to claim 1, characterized in that the bottom port (414) is communicated with the switch cabinet (101) through a flame-retardant air bag (411), the lower port of the flame-retardant air bag (411) is connected with the outlet (102) on the switch cabinet (101), and the upper port of the flame-retardant air bag is connected with the bottom port (414).
5. A substation with pressure relief according to claim 1, characterized in that said induction terminals (421) are embedded in said top opening (416) at 1/4-3/4.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021463152.2U CN212304442U (en) | 2020-07-23 | 2020-07-23 | Box-type substation with pressure relief structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021463152.2U CN212304442U (en) | 2020-07-23 | 2020-07-23 | Box-type substation with pressure relief structure |
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| Publication Number | Publication Date |
|---|---|
| CN212304442U true CN212304442U (en) | 2021-01-05 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202021463152.2U Active CN212304442U (en) | 2020-07-23 | 2020-07-23 | Box-type substation with pressure relief structure |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113776620A (en) * | 2021-09-15 | 2021-12-10 | 广东电网有限责任公司 | Automatic oil filter pipe type oil level indicator |
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2020
- 2020-07-23 CN CN202021463152.2U patent/CN212304442U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113776620A (en) * | 2021-09-15 | 2021-12-10 | 广东电网有限责任公司 | Automatic oil filter pipe type oil level indicator |
| CN113776620B (en) * | 2021-09-15 | 2024-02-23 | 广东电网有限责任公司 | Automatic oil filtering pipe type oil level gauge |
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